CN115201017B - Detection device for testing strength of medical instrument - Google Patents

Abstract

The invention relates to the field of medical equipment strength detection equipment, and discloses a detection device for medical equipment strength testing, which comprises a base, wherein longitudinal detection hydraulic cylinders for pushing a pressure measuring shaft to move upwards are arranged on two sides of the base, transverse detection hydraulic cylinders for pushing the pressure measuring shaft to move horizontally are arranged on the side surfaces of the base, limiting stop wheels with the same number as that of limiting slide blocks are arranged on the pressure measuring shaft, and limiting press wheels and limiting stop wheels are arranged above the base. Through setting up a plurality of detection riding wheels and detecting the bottom that the pushing wheel is located one side of keeping away from the handle of a knife to set up corresponding spacing pinch roller and spacing fender wheel as the fulcrum in the top of handle of a knife and blade connection position, and spacing pinch roller, spacing keep off the adjustable design of interval value of wheel and detection riding wheel, so that carry out the compressive strength test on direction and the horizontal direction from top to bottom simultaneously to a plurality of blades of different models, need not to fix again and separately detect, improved whole detection efficiency.

Description

Detection device for testing strength of medical instrument

Technical Field

The invention relates to the field of medical instrument strength detection equipment, in particular to a detection device for medical instrument strength test.

Background

The scalpel is an important surgical tool for surgical operation in medical instruments, the scalpel is a special cutter for cutting human bodies or animals, the scalpel is composed of a blade and a handle, the blade and the handle are generally in a detachable connection mode, namely the blade is clamped on the handle, the handle is convenient to assemble blades of different models, so that shell operation can be conducted on the scalpel in a trial mode, therefore, the connecting parts of the blade and the handle need to be subjected to compressive strength testing, qualified compressive strength scalpels are screened out, and the scalpel is ensured not to fall off in the operation process.

However, when current check out test set detected the intensity at scalpel connection position, the single compressive strength that can only detect one side upwards, after detecting the compressive strength on the horizontal direction at handle of a knife and blade connection position promptly, need fix again, rotate ninety degrees with the handle of a knife, detect the compressive strength of the upper and lower side that has not detected before this, and because of the blade length difference of different models, the interval value that the connection position of blade and handle of a knife apart from the blade is different promptly, consequently current check out test set can't carry out intensity detection to the scalpel of different model blades when effectual, this detection efficiency who makes the scalpel is lower.

Disclosure of Invention

The invention provides a detection device for testing the strength of medical equipment, which has the advantage of high detection efficiency of the compressive strength of the connecting part of a scalpel aiming at a plurality of blades of different types, and solves the technical problems in the prior art.

In order to realize the purpose, the invention provides the following technical scheme to realize the purpose: a detection device for testing the strength of medical instruments comprises a base and a scalpel with detection strength, wherein the scalpel is composed of a scalpel handle and a scalpel blade, the scalpel handle and the scalpel blade are clamped and fixed, a plurality of limiting sliding blocks located on one side of the scalpel handle are arranged at the top of the base, the limiting sliding blocks limit the horizontal movement of the scalpel handle, the number of the limiting sliding blocks is not less than two, a pressure measuring shaft far away from one side of the limiting sliding blocks is arranged above the base, longitudinal detection hydraulic cylinders for pushing the pressure measuring shaft to move upwards are arranged on two sides of the base, transverse detection hydraulic cylinders for pushing the pressure measuring shaft to move horizontally are arranged on the side faces of the base, and limiting pressing wheels in one-to-one correspondence with the limiting sliding blocks are arranged on the pressure measuring shaft, and one side fixed cover of spacing pinch roller is equipped with spacing fender wheel, the top of base is equipped with the U type slider that is located between spacing slider and the pressure measurement axle, the quantity of U type slider is the same and the one-to-one with the quantity of spacing pinch roller, spacing pinch roller is adjustable with the spacing value of U type slider, the inboard of U type slider is equipped with spacing pinch roller, one side fixed cover of spacing pinch roller is equipped with spacing fender wheel, spacing pinch roller is located the top that the handle of a knife is close to blade department, it is located the bottom that the handle of a knife department was kept away from to the blade to detect the riding wheel, and spacing fender wheel and the left and right sides that detects the pushing wheel and be located the scalpel.

Optionally, one side fixedly connected with fixing base at base top, set up the recess that cup joints with the stop block activity on the fixing base, and the inner bottom of recess is located the top of base, the recess that a plurality of equidistance were arranged is seted up to the first half of fixing base, stop block activity suit is in the recess, and stop block only horizontal migration in the recess, stop block's both sides and the laminating of the both sides inner wall of recess.

Optionally, the draw-in groove has been seted up to one side of limiting slide block bottom, and the opening size of draw-in groove is by outer evenly reducing to interior, and the inboard of draw-in groove and one side looks adaptation that the handle of a knife was kept away from to the blade, limiting slide block's both sides all are equipped with spacing sand grip, the inner wall activity joint of spacing sand grip and recess.

Optionally, the front fixedly connected with of fixing base is located the baffle between two curb plates, the baffle is located the top of base, and the baffle is located between per two recesses on the fixing base, and is a plurality of U type slider locates per two respectively between the baffle and between two curb plates and the baffle, the spout has all been seted up to the both sides of U type slider, and the movable sleeve is equipped with the location axle in two spouts, and spacing pinch roller passes through the bearing suit on the location axle, and the external diameter value of location axle is the same with the inside groove width value of spout, the equal fixedly connected with in both ends of location axle removes the slider, the slide has all been seted up to the inboard of curb plate and the both sides of baffle, removes the slider outside and the inside activity of slide cup joints.

Optionally, the both sides of U type slider are the elastomer, the bottom of U type slider both sides is the inclined plane design, and the even grow of middle part thickness value of U type slider both sides is gone to U type slider both sides bottom, the first half and the side activity joint of curb plate, baffle of U type slider both sides.

Optionally, the upper half parts of the two sides of the U-shaped sliding block are fixedly connected with balance blocks, and the balance blocks are movably connected with the top parts of the partition plates and the side plates.

Optionally, the inner walls of the two sides of the groove are provided with rubber jackets facing the U-shaped sliding block, and the distance between the two rubber jackets is smaller than the thickness of the blade.

Optionally, the left end and the right end of the front of the fixing base are fixedly connected with side plates, the bottoms of the side plates are fixedly connected with the top of the base, the pressure measuring shaft is movably sleeved between the two side plates, the two ends of the pressure measuring shaft extend out of the outer sides of the two side plates respectively, the longitudinal detection hydraulic cylinders are arranged on the outer sides of the side plates, piston shafts of the two longitudinal detection hydraulic cylinders are movably sleeved with the two ends of the pressure measuring shaft respectively, a driven plate is fixedly sleeved on the piston shaft of one of the longitudinal detection hydraulic cylinders, the side face of the driven plate is movably connected with the outer sides of the side plates, the transverse detection hydraulic cylinders are fixedly mounted on the driven plate and horizontally arranged on the driven plate, and output shafts of the transverse detection hydraulic cylinders are fixedly connected with one end of the pressure measuring shaft.

The invention provides a detection device for testing the strength of a medical instrument, which has the following beneficial effects:

this detection device is used in test of medical instrument strength, be located the bottom that the handle of a knife one side was kept away from to the blade through setting up a plurality of detection riding wheels and detecting the push pulley, and set up corresponding spacing pinch roller and spacing fender wheel as the fulcrum in the top of handle of a knife and blade connection position, and spacing pinch roller, spacing fender wheel and the adjustable design of the interval value of detecting the riding wheel, utilize and detect the riding wheel and exert ascending thrust to the blade, detect handle of a knife and blade connection position compressive strength in the upper and lower direction, and exert the thrust of horizontal direction to the blade through detecting the push pulley, detect handle of a knife and blade connection position compressive strength on the horizontal direction, so that carry out compressive strength test on direction and the horizontal direction simultaneously from top to bottom to a plurality of blades to different models, need not to fix separately detect again, whole detection efficiency has been improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a top view of FIG. 1 in accordance with the present invention;

FIG. 3 is an enlarged view of a portion A of FIG. 1;

FIG. 4 is a schematic view of the two side plates and the inner side structure of FIG. 1 according to the present invention;

FIG. 5 is a front view of the U-shaped slider structure of FIG. 4 in accordance with the present invention;

FIG. 6 is a side view of the knife structure of FIG. 1 in accordance with the present invention;

FIG. 7 is an enlarged view of a portion at B of FIG. 1;

FIG. 8 is an enlarged view of a portion of FIG. 2C;

FIG. 9 is a front view of the structure of the inspection idler of FIG. 4 according to the present invention;

FIG. 10 is a schematic view of the structure of the limiting slide block of FIG. 1 according to the present invention;

fig. 11 is a bottom view of fig. 10 of the present invention.

In the figure: 1. a base; 2. a fixed seat; 3. a limiting slide block; 4. a side plate; 5. a partition plate; 6. a pressure measuring shaft; 7. a longitudinal detection hydraulic cylinder; 8. a passive plate; 9. a transverse detection hydraulic cylinder; 10. detecting a riding wheel; 11. detecting a push wheel; 12. a groove; 13. a U-shaped slider; 14. positioning the shaft; 15. limiting the pinch roller; 16. a limiting catch wheel; 17. a slideway; 18. moving the slide block; 19. a counterbalance; 20. a rubber jacket; 21. a knife handle; 22. a blade.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, a detection device for testing the strength of medical instruments comprises a base 1, a scalpel formed by clamping ascalpel handle 21 and ablade 22, wherein a supporting block is arranged at the bottom of the base 1 and used for stably supporting the base 1 as a whole, afixed seat 2 is fixedly connected to one side of the top of the base 1, a plurality ofgrooves 12 are formed in the upper half portion of thefixed seat 2 and arranged at equal intervals, the number of thegrooves 12 is not less than two, alimiting slider 3 is movably sleeved in eachgroove 12, referring to fig. 2, thelimiting slider 3 only moves horizontally in thegrooves 12, two sides of thelimiting slider 3 are attached to inner walls of two sides of eachgroove 12, the problem that thelimiting slider 3 is easy to move is solved by utilizing the friction force of the two sides of the limitingslider 3 tightly attached to the inner walls of thegrooves 12, after the scalpel is placed on thegrooves 12, one end of thescalpel handle 21 away from theblade 22 is limited by thelimiting slider 3, and the knife handles 21 clamped by theblades 22 of different models are the same, please continue to refer to fig. 1, the left and right ends of the front surface of thefixed seat 2 are fixedly connected with theside plates 4, the bottoms of the twoside plates 4 are fixedly connected with the top of the base 1, thepressure measuring shaft 6 is movably sleeved between the twoside plates 4, the two ends of thepressure measuring shaft 6 respectively extend out of the outer sides of the twoside plates 4, the two sides of the bottom of the base 1 are respectively and fixedly provided with a longitudinal detectionhydraulic cylinder 7 positioned at the outer side of theside plates 4, the piston shafts of the two longitudinal detectionhydraulic cylinders 7 are respectively and movably sleeved with the two ends of thepressure measuring shaft 6, the piston shaft of one longitudinal detectionhydraulic cylinder 7 is fixedly sleeved with a drivenplate 8, the side surface of the drivenplate 8 is movably connected with the outer sides of theside plates 4, the drivenplate 8 is fixedly provided with a transverse detectionhydraulic cylinder 9, and the transverse detectionhydraulic cylinder 9 is horizontally arranged on the drivenplate 8, an output shaft of the transverse detectionhydraulic cylinder 9 is fixedly connected with one end of thepressure measuring shaft 6.

The front surface of thefixed seat 2 is fixedly connected with apartition plate 5 located between twoside plates 4, thepartition plate 5 is located above the base 1, thepartition plate 5 is located between every twogrooves 12 on thefixed seat 2, andU-shaped sliders 13 are movably sleeved between every twopartition plates 5 and between the twoside plates 4 and thepartition plate 5 respectively, as shown in fig. 2, the number of theU-shaped sliders 13 is the same as that of thegrooves 12, and theU-shaped sliders 13 are located on one side of thegrooves 12, and theU-shaped sliders 13 move horizontally and are fixed along thepartition plates 5, as shown in fig. 3-4, sliding grooves are respectively formed in two sides of theU-shaped sliders 13,positioning shafts 14 are movably sleeved in the two sliding grooves, the outer diameter value of thepositioning shafts 14 is the same as the inner groove width value of the sliding grooves, so that theU-shaped sliders 13 can move up and down along thepositioning shafts 14, movingsliders 18 are fixedly connected to two ends of thepositioning shafts 14,slide rails 17 are respectively formed in the inner sides of theside plates 4 and thepartition plates 5, and outer sides of the movingsliders 18 are movably sleeved with the inside of theslide rails 17, so that the U-shapedsliders 13, and theslide rails 17 can move horizontally move integrally along theslide rails 13, and themoving sliders 18.

Referring to fig. 5, the two sides of the U-shapedslider 13 are elastic bodies, the bottoms of the two sides of the U-shapedslider 13 are designed to be inclined surfaces, the thickness from the bottoms of the two sides of the U-shapedslider 13 to the middle parts of the two sides of the U-shapedslider 13 is uniformly increased, the upper half parts of the two sides of the U-shapedslider 13 are movably clamped with the side surfaces of theside plate 4 and thepartition plate 5, when the U-shapedslider 13 needs to be moved, the inclined surfaces of the lower half part of theU-shaped slider 13 are contacted with the side surfaces of theside plate 4 and thepartition plate 5 by lifting up theU-shaped slider 13, at this time, the friction resistance between the two sides of theU-shaped slider 13 and the side surfaces of theside plate 4 and thepartition plate 5 is small, so that the U-shapedslider 13 can be moved, and after theU-shaped slider 13 is moved to a desired position, the upper half parts of the two sides of theU-shaped slider 13 are contacted with theside plate 4 and the side surface of thepartition plate 5 by pressing down theU-shaped slider 13, at this time, the friction resistance between the two sides of theU-shaped slider 13 and theside plate 4 and thepartition plate 5 is increased, so that theU-shaped slider 13 can be fixed under the friction resistance and can not moved any more.

The middle part of thepositioning shaft 14 is sleeved with a limitingpinch roller 15 which is positioned on the inner side of theU-shaped slider 13 through a bearing, the limitingpinch roller 15 only rotates relative to thepositioning shaft 14 in the circumferential direction, a limiting blockingwheel 16 is fixedly sleeved on one side of the limitingpinch roller 15, one end, far away from theblade 22, of theknife handle 21 is placed in thegroove 12 and fixed in a clamping mode through the U-shapedslider 13, the U-shapedslider 13 moves to the clamping position of theknife handle 21 and theblade 22, please refer to fig. 6, the bottom of thepositioning shaft 14 is contacted with the top, close to theblade 22, of theknife handle 21, thepositioning shaft 14 is used for carrying out a fulcrum in the vertical direction strength test on the clamping position of the scalpel, the limitingpinch roller 15 is positioned on one side of theknife handle 21, and the limitingpinch roller 15 is used for carrying out a fulcrum in the horizontal direction strength test on the clamping position of the scalpel.

The equal fixedly connected with balancingpiece 19 in the first half inU type slider 13 both sides, balancingpiece 19 andbaffle 5, the top swing joint ofcurb plate 4, pressU type slider 13 down to make it block to twobaffles 5 orcurb plate 4 and baffle 5 between, balancingpiece 19 andcurb plate 4 throughU type slider 13 both sides, the top contact ofbaffle 5, makeU type slider 13 can remain steady, can not be around 14 circumference rotations of location axle, lead toU type slider 13 dislocation motion to appear easily, and influence the problem that follow-up scalpel intensity detected.

Referring to fig. 1-2,rubber jackets 20 facing theU-shaped slider 13 are respectively disposed on the inner walls of the two sides of thegroove 12, the distance between the tworubber jackets 20 is smaller than the thickness of theblade 22, when the scalpel is fixed, theblade 22 is placed in thegroove 12 and clamped by the tworubber jackets 20, then thelimiting slider 3 is moved to fix the end of theblade 22 away from thescalpel handle 21, thelimiting slider 3 is pushed to push the scalpel to move horizontally until the top of theblade 22 contacts the limitingpressing wheel 15, and the bottom of thescalpel handle 21 contacts thedetection supporting wheel 10.

Referring to fig. 4, 7 and 8, thepressure measuring shaft 6 is sleeved with the detectingriding wheels 10 which are the same in number as theU-shaped sliders 13 and correspond to one another one by one through bearings, the tops of the detectingriding wheels 10 are movably connected with the bottoms of theblades 22 on the sides away from theknife handle 21, so that the detectingriding wheels 10 can move upwards through the bearings, the supporting points of thepositioning shaft 14 on theblades 22 are matched for limiting, the strength of the connecting parts of the scalpels in the vertical direction is detected, the detectingriding wheels 11 on the sides away from theblades 22 are fixedly sleeved on the detectingriding wheels 10, the detectingriding wheels 11 and the limitingriding wheels 16 are respectively located on two sides of the scalpels, the strength of the connecting parts of the scalpels in the horizontal direction is detected by applying horizontal force to the limitingriding wheels 16 and matching with the limitingpressing wheels 15 as the supporting points for limiting, referring to fig. 4 and 9, the outer edges of the detectingriding wheels 11 are designed as inclined surfaces, the inclined surfaces face theblades 22, before the scalpels of the scalpels with different types of thescalpels 22 are fixed, theblades 22 are placed on the detectingriding wheels 10, the bottom of theblades 10, theblades 22 can be aligned to the detecting riding wheels, the knife handle, theblades 12 can be fixed in the grooves, thegrooves 12, the detecting efficiency of the detecting handle is improved, the detecting device, the detecting blade can be conveniently, and the detecting efficiency of theblades 12, and the detecting handle, the detecting device can be conveniently, and the detecting efficiency of theblades 22 can be improved by moving the blade.

Referring to fig. 10-11, a clamping groove is formed at one side of the bottom of thelimiting slider 3, the size of the opening of the clamping groove is uniformly reduced from outside to inside, the inner side of the clamping groove is matched with one side of theblade 22 away from thehilt 21 so that thelimiting slider 3 can move in thegroove 12, the clamping groove is matched with the inner bottom of thegroove 12 to limit one end of theblade 22 away from thehilt 21, and therefore, when a strength test is performed on the connecting portion between thehilt 21 and theblade 22 in the vertical direction or the horizontal direction, the problem that the detection result is influenced by the movement of one end of theblade 22 is solved, limiting convex strips are arranged at both sides of thelimiting slider 3 and movably clamped with the inner wall of thegroove 12, so that thelimiting slider 3 only moves horizontally in thegroove 12, and thelimiting slider 3 can be drawn out from the outer side of thefixing base 2, so that when the sizes of theblades 22 are different during the strength test of a plurality of scalpels, theblade 22 is fixed by thelimiting slider 3, theblade 22 of the corresponding size is fixed,

when the detection device for the strength test of the medical instrument tests the strength of the connection part of the scalpel, firstly, the blade 22 of the scalpel is placed in one groove 12 of the fixed seat 2, the bottom of the blade 22 is contacted with the inner bottom of the groove 12, then the limiting slide block 3 in the groove 12 is moved until the limiting slide block 3 moves to one side of the blade 22 far away from the handle 21, the clamping groove at the bottom of the limiting slide block 3 clamps one end of the blade 22, then the limiting slide block 3 is pushed to drive the blade 22 and the handle 21 to integrally move until the bottom knife edge of the blade 22 is contacted with the detection riding wheel 10, then the U-shaped slide block 13 is lifted and horizontally moved, the limiting pressing wheel 15 is just positioned at the part of the other end of the blade 22 and close to the handle 21, the limiting slide block 3 is pressed down to be fixed, then each scalpel is fixed according to the steps, and the bottom knife edge of the blade 22 is always contacted with the detection riding wheel 10, therefore, the limiting pressure wheel 15 above the scalpel with the longer blade 22 is far away from the pressure measuring shaft 6, the scalpel with the shorter blade 22 is near to the pressure measuring shaft 6, and then the piston shaft is pushed to move upwards by the two longitudinal detection hydraulic cylinders 7, so that the pressure measuring shaft 6 drives the detection supporting wheel 10 to move upwards, referring to fig. 4, the detection supporting wheel 10 applies upward pressure on the blade 22, meanwhile, the limiting pressure wheel 15 is used as a fulcrum at the top of the blade 22, and the upward thrust of the piston shaft driven by the longitudinal detection hydraulic cylinders 7 is gradually increased until the force is the qualified compressive strength of the connecting part of the scalpel handle 21 and the blade 22 in the vertical direction, when the scalpel handle 21 is separated from the blade 22 in the period, the compressive strength of the scalpel handle 21 and the blade 22 in the vertical direction is unqualified, and finally, the piston shaft is driven to move downwards to the initial position by the longitudinal detection hydraulic cylinders 7, the transverse detection hydraulic cylinder 9 drives the piston shaft to push the pressure measuring shaft 6 to move horizontally as a whole, at the same time, the horizontal thrust applied to the blade 22 by the detection push wheel 11 is detected, meanwhile, the limit stop wheel 16 is used as a fulcrum on the other side of the scalpel handle 21, and the horizontal thrust of the piston shaft driven by the transverse detection hydraulic cylinder 9 is gradually increased until the force is equal to the qualified compressive strength of the connecting part of the scalpel handle 21 and the blade 22 in the horizontal direction, when the scalpel handle 21 is separated from the blade 22 in the process, the compressive strength of the scalpel handle 21 and the blade 22 in the vertical direction is unqualified, and the intact scalpel after two times of compressive strength tests is qualified, so that the compressive strength of the connecting part of the scalpel handle 21 and the blade 22 in the vertical direction and the horizontal direction can be quickly detected, the separate detection is not required to be fixed again, the detection efficiency is improved, and similarly, the longitudinal detection hydraulic cylinder 7 or the transverse detection hydraulic cylinder 9 is used for continuously pressurizing until the scalpel handle 21 is separated from the blade 22 and falls off, and the maximum compressive strength of the connecting part of the scalpel handle 21 and the blade 22 can be detected, and the maximum handle can be detected.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a detection device is used in test of medical instrument intensity, includes base (1) and takes the scalpel that detects intensity, the scalpel comprises handle of a knife (21) and blade (22), and handle of a knife (21) and blade (22) joint are fixed, its characterized in that: the top of the base (1) is provided with a plurality of limiting sliding blocks (3) positioned on one side of the knife handle (21), the limiting sliding blocks (3) limit the horizontal movement of the knife handle (21), the number of the limiting sliding blocks (3) is not less than two, the top of the base (1) is provided with a pressure measuring shaft (6) far away from one side of the limiting sliding blocks (3), two sides of the base (1) are provided with longitudinal detection hydraulic cylinders (7) for pushing the pressure measuring shaft (6) to move upwards, the side face of the base (1) is provided with transverse detection hydraulic cylinders (9) for pushing the pressure measuring shaft (6) to move horizontally, the pressure measuring shaft (6) is provided with limiting pressing wheels (15) corresponding to the limiting sliding blocks (3) one by one, one side of each limiting pressing wheel (15) is fixedly sleeved with a limiting blocking wheel (16), the U-shaped sliding blocks (13) positioned between the limiting sliding blocks (3) and the pressure measuring shaft (6) are arranged above the base (1), the U-shaped sliding blocks (13) are as many as the limiting pressing wheels (15), the U-shaped sliding blocks (15) are positioned on one side of the U-shaped sliding blocks (15), the spacing value of the U-shaped pressing wheels (15) is adjustable pressing wheels (15), the spacing value of the spacing wheels (15) is close to the inner side of the spacing wheels (15), and the spacing wheels (15) is arranged on one side of the spacing wheels (15), the pressure measuring shaft (6) is sleeved with detection supporting wheels (10) which are the same as the U-shaped sliding blocks (13) in number and correspond to the U-shaped sliding blocks one by one through bearings, the detection supporting wheels (10) are positioned at the bottom of the blade (22) far away from the knife handle (21), the detection supporting wheels (10) are fixedly sleeved with detection push wheels (11) positioned on one side of the blade (22), and the limiting blocking wheels (16) and the detection push wheels (11) are positioned on the left side and the right side of the scalpel; a fixed seat (2) is fixedly connected to one side of the top of the base (1), a groove (12) movably sleeved with the limiting slide block (3) is formed in the fixed seat (2), the inner bottom of the groove (12) is located above the base (1), a plurality of grooves (12) which are arranged at equal intervals are formed in the upper half portion of the fixed seat (2), the limiting slide block (3) is movably sleeved in the groove (12), the limiting slide block (3) only moves horizontally in the groove (12), and two sides of the limiting slide block (3) are attached to inner walls of two sides of the groove (12); a clamping groove is formed in one side of the bottom of the limiting sliding block (3), the opening size of the clamping groove is uniformly reduced from outside to inside, the inner side of the clamping groove is matched with one side, away from the knife handle (21), of the blade (22), limiting convex strips are arranged on two sides of the limiting sliding block (3), and the limiting convex strips are movably clamped with the inner wall of the groove (12); the front fixedly connected with of fixing base (2) is located baffle (5) between two curb plate (4), baffle (5) are located the top of base (1), and baffle (5) are located between per two recesses (12) on fixing base (2), and are a plurality of every two are located respectively to U type slider (13) between baffle (5) and between two curb plate (4) and baffle (5), the spout has all been seted up to the both sides of U type slider (13), and movable sleeve is equipped with location axle (14) in two spouts, and spacing pinch roller (15) pass through bearing suit on location axle (14), and the external diameter value of location axle (14) is the same with the inside groove width value of spout, the equal fixedly connected with in both ends of location axle (14) removes slider (18), slide (17) have all been seted up to the inboard of curb plate (4) and the both sides of baffle (5), and the inside activity of removing slider (18) outside and sliding way (17) cup joints.

2. The detecting device for testing the strength of the medical instrument according to claim 1, wherein: the both sides of U type slider (13) are the elastomer, the bottom of U type slider (13) both sides is the inclined plane design, and the even grow of middle part thickness value of U type slider (13) both sides bottom to U type slider (13) both sides, the first one of U type slider (13) both sides and curb plate (4), the side activity joint of baffle (5).

3. The detecting device for testing the strength of the medical instrument according to claim 1, wherein: the upper half parts of the two sides of the U-shaped sliding block (13) are fixedly connected with balance blocks (19), and the balance blocks (19) are movably connected with the top parts of the partition plates (5) and the side plates (4).

4. The detecting device for testing the strength of the medical instrument according to claim 1, wherein: the inner walls of the two sides of the groove (12) are respectively provided with a rubber jacket (20) facing the U-shaped sliding block (13), and the distance value between the two rubber jackets (20) is smaller than the thickness value of the blade (22).

5. The detecting device for testing the strength of the medical instrument according to claim 1, wherein: the all fixedly connected with curb plate (4) in both ends about fixing base (2) is positive, two the bottom of curb plate (4) all with the top fixed connection of base (1), pressure measuring shaft (6) activity suit is between two curb plates (4), and the outside of two curb plates (4) is extended respectively to the both ends of pressure measuring shaft (6), vertically detect hydraulic cylinder (7) and locate the outside of curb plate (4), and the piston shaft of two vertically detect hydraulic cylinder (7) cup joints with the both ends activity of pressure measuring shaft (6) respectively, and fixed cover has connect passive plate (8) on the piston shaft of one of them vertically detect hydraulic cylinder (7), the side of passive plate (8) and the outside swing joint of curb plate (4), transversely detect hydraulic cylinder (9) fixed mounting on passive plate (8), and transversely detect that hydraulic cylinder (9) are horizontal to be placed on passive plate (8), the output shaft of transversely detecting hydraulic cylinder (9) and the one end fixed connection of pressure measuring shaft (6).

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