One kind is pulled pin and tension deviceTechnical field
The utility model belongs to technical field of mechanical design, and in particular to one kind is pulled pin and tension device.
Background technology
Engineering goods are usually composed of the connection of more than two parts, have zero of the requirement of stringent relative positionPart is mainly to be positioned by pin.In product operation and maintenance servicing operations, the dismounting problem of pin may be related to.At present, common pin removal is to realize what is pulled pin by the impact force of weight shock pin removal bottom generation, this side of pulling pinFormula will necessarily produce certain impact and vibration, consequently, it is possible to being brought to parts and the precision instrument being solidificated on partsCertain infringement.
In some parts install connection procedure, there is cone cooperation and column coordinates.Coordinate to coordinate cone with columnIt is completely embedded reliably, at present, the following parts of generally use tense method：First, interconnecting piece and outer connector are carried outJust coordinate, adjust inside and outside connector circumferential relative position, will be bolted on interconnecting piece threaded hole, with outer connectorAs the fulcrum of bolt head, bolt head is rotated by spanner, pulling force is produced to interconnecting piece, external connection part produces pressurePower, makes cone cooperation or column cooperation reach installation requirement.This tension mode can make inside and outside connector circumferential position in cinching processIt is middle that certain relative rotation occurs, it may be necessary to carry out multiplicating installation, can be only achieved the requirement that connection coordinates；MeanwhileIn cinching process, larger rolling moment may be produced, parts and the precision instrument being solidificated on parts are causedCertain infringement.
The content of the invention
Technical problem to be solved in the utility model is to provide one kind because not producing shock and vibration, not producing additional rollingTorque and avoid pull pin and tension device hurtful to parts and the precision instrument being solidificated on parts.
The above-mentioned technical problem of the utility model be by provide it is a kind of have as lower structure pull pin with tension device andSolve, this is pulled pin includes handle system, guide track system and actuating system with tension device, and start system is driven by handle systemGuide-track groove axis of the system along guide track system（Common axis）Direction is moved, the pin being connected with connecting screw in actuating systemPin hole is extracted, or interconnecting piece and outer connector are tensed, realizes that it pulls pin and tense function.The handle system includes left handHandle, left handle spring, short pin, right handles, long spiro nail, rotation fastener, right handles spring and long pin；Left handle spring passes throughShort pin is connected with left handle, and left hand negative winding stem is connected by long spiro nail with pedestal, and right handles spring passes through long pin and rotationFastener connects, and rotation fastener is connected by both ends boss with right handles, and right handles are connected by " circular orbit " with pedestal, the right handThe arc boss of negative winding stem can slide in the arc groove of pedestal.The guide track system include pedestal, mouth connecting pin of pulling pin,Pull pin mouth and guide-track groove；Connected between pedestal and guide-track groove by cylinder clearance fit；Pull pin mouth by pull pin mouth connecting pin withGuide-track groove connects；It is connected between guide-track groove and rotary screw by curve clearance, guide-track groove and mouth of pulling pin can be relative toPedestal rotates.The actuating system includes rotary screw, rotation gear and connecting screw；Rotary screw is distinguished by big minor threadIt is driven and is fixed with rotation gear and connecting screw, rotation gear is installed on left hand negative winding stem, right hand negative winding stem and pedestalBetween in formed the one cylindrical surface cavity with " gap "；Rotary screw can be rotated with guide-track groove, and being capable of guide-track grooveInterior slip.
It is fixed in left handle and right handles, i.e., in the case that rotation gear does not rotate：Rotation is pulled pin mouth, can be promotedWhile rotary screw and connecting screw are rotated with mouth of pulling pin, it can be moved in guide-track groove；Right handles spring can overcome rotationTurn screw rod and rotate the frictional force produced to rotation gear, prevent rotation gear from rotating and rotating with rotary screw.In left handle bulletSpring promotes in left handle, right handles opening process, right handles spring can ensure rotate fastener across rotation the several teeth of gearAfterwards, and it is caught in gear grooved, and rotation fastener is reached capacity position；During left handle, right handles are closed up, reach poleThe rotation fastener of extreme position can promote rotation gear to rotate clockwise, and rotary screw and connecting screw is produced along common axisThe vitality in line direction.
Pulling pin for the utility model is as follows with the course of work of tension device：
The right hand is held with a firm grip left handle and right handles, and left hand rotation is pulled pin mouth, adjusts rotary screw and connecting screw in guide-track grooveIn relative position.Rotate clockwise when pulling pin mouth, rotary screw and connecting screw are moved to the direction of prominent mouth lower face of pulling pinIt is dynamic；Rotate counterclockwise when pulling pin mouth, rotary screw and connecting screw then move round about.
When connecting screw, which slightly protrudes, pulls pin mouth lower face, connecting screw is directed at son to be pulled pin（Or interconnecting piece）,Left hand rotates clockwise mouth of pulling pin, and completes connecting screw and son to be pulled pin（Or interconnecting piece）Connection.
Left hand holds mouth of pulling pin, and unclamps the right hand, and under the action of left handle spring, left handle and right handles are gradually opened,Right handles spring is compressed, and rotation fastener, across after the rotation several teeth of gear, and is caught in gear grooved, and make constantlyRotation fastener reaches capacity position.
The right hand is gradually held with a firm grip left handle and right handles, promotes to rotate gear and is rotated clockwise；Due to pulling pin, mouth is fixedIt is motionless, the clockwise rotation of gear is rotated, necessarily promotes rotary screw constantly to pull pin in guide-track groove to remote under mouthThe direction movement of end face, and the mouth that makes to pull pin gradually is supported on the parts or outer connector of installation pin.
After mouth of pulling pin is supported on the parts or outer connector of installation pin, pass through left handle and right handles " oneZhang Yihe " is constantly acted, and forces rotary screw in guide-track groove constantly to the movement away from mouth lower face direction of pulling pin, and makeConnecting screw produces a son of pulling pin（Or tense interconnecting piece and outer connector）Vitality, realize that it pulls pin and tense work(Energy.
The utility model pull pin and the characteristics of tension device, is：
1st, the utility model pull pin and tension device, during pulling pin and tensing, do not produce impact or vibration,Additional rolling moment is not produced.
2nd, the utility model pull pin and tension device, can by right handles and rotation gear rotary motion changeFor the rectilinear movement of rotary screw and connecting screw in guide-track groove, and rotary screw and connecting screw is set to produce along common axisDirection, the vitality for being several times as much as acting on external force in right handles；Handle is longer, and the vitality of generation is bigger.
3rd, the utility model pull pin and tension device, cinching process need not repeat.
4th, the utility model pull pin and tension device, left hand negative winding stem, right hand negative winding stem and pedestal be body of revolution/Half body of revolution structure, after the completion of left hand negative winding stem, right hand negative winding stem are connected with pedestal, forms a cylindrical surface for carrying " gap "Cavity body structure, installation space is provided for rotation gear；The formation of " gap ", is the needs that right handles rotate, also allows for relatedThe maintaining of parts.
5th, the utility model pull pin and tension device, the structure of guide-track groove " round outside but spuare inside ", can promote rotary screwWhile rotation with connecting screw with mouth of pulling pin, it can be moved in guide-track groove；Mouth of pulling pin is rotated, can be realized to rotary screwAdjusting and connecting screw with connecting screw relative position is with waiting sub or interconnecting piece connection of pulling pin.
6th, the utility model pull pin and tension device, guide-track groove is with pulling pin mouth and rotary screw is adopted with connecting screwWith split-type design, a series of various sizes of pull pin mouth and connecting screws can be designed, according to wait to pull pin son or interconnecting pieceThread size, selects corresponding pull pin mouth and connecting screw, adds the applicability, operability and maintainability of device.
7th, the utility model pull pin and tension device, left handle by cylinder, plane and pedestal coordinate, using long spiral shellNail is installed on pedestal, and connection is simple, and positioning is reliable；The form coordinated between right handles and rotary screw by cylinder connects,It is attached between pedestal by the form of " endless track ", it is simple in structure, rotate flexible.
Brief description of the drawings
Fig. 1 is the structure diagram pulled pin with tension device of the utility model（Front view）；
Fig. 2 is the A-A sectional views pulled pin with tension device of the utility model；
Fig. 3 is pulling pin and the left handle in tension device for the utility model（Front view）；
Fig. 4 is pulling pin and the left handle in tension device for the utility model（Top view）；
Fig. 5 is pulling pin and the right handles in tension device for the utility model（Front view）；
Fig. 6 is pulling pin and the right handles in tension device for the utility model（Top view）；
Fig. 7 is pulling pin and the rotation fastener in tension device for the utility model（Front view）；
Fig. 8 is pulling pin and the rotation fastener in tension device for the utility model（Top view）；
Fig. 9 is the G-G sectional views pulled pin with the rotation fastener in tension device of the utility model；
Figure 10 is the B-B sectional views pulled pin with the left handle in tension device of the utility model；
Figure 11 is the C-C sectional views pulled pin with the left handle in tension device of the utility model；
Figure 12 is the D-D sectional views pulled pin with the right handles in tension device of the utility model；
Figure 13 is the E-E sectional views pulled pin with the right handles in tension device of the utility model；
Figure 14 is pulling pin and the pedestal in tension device for the utility model（Front view）；
Figure 15 is the F-F sectional views pulled pin with the pedestal in tension device of the utility model；
Figure 16 is pulling pin and the pedestal in tension device for the utility model（Top view）；
In figure, 1. left handle spring, 2. short 3. left handle of pin, 4. rotary screw 5. rotation, 6. right handles of gear7. pedestal 8. is pulled pin mouth connecting pin 9. pull pin 10. connecting screw of mouth, 11. long spiro nail 12. rotation 13. right handles bullet of fastener14. long pin of spring, 15. guide-track groove.
Embodiment
Describe the utility model in detail below in conjunction with the accompanying drawings.
As depicted in figs. 1 and 2, the utility model is pulled pin with tension device by handle system, guide track system and start systemSystem composition, guide-track groove 15 axis of the actuating system along guide track system is driven by handle system（That is common axis）Direction is moved,The pin being connected with connecting screw in actuating system 10 is extracted into pin hole, or interconnecting piece and outer connector are tensed, is realizedIt pulls pin and tenses function.The device critical piece includes left handle spring 1, short pin 2, right handles 6, rotary screw 4, rotationGear 5, left handle 3, pedestal 7, mouth connecting pin 8 of pulling pin, mouth 9 of pulling pin, connecting screw 10, long spiro nail 11, rotation fastener 12, the right handHandle spring 13, long pin 14 and guide-track groove 15.
The handle system includes left handle spring 1, short pin 2, left handle 3, right handles 6, long spiro nail 11, rotation fastener12nd, right handles spring 13 and long pin 14.As shown in Fig. 3 and Fig. 4 and Fig. 5 and Fig. 6：3 head of left handle and right handles 6Head is the body of revolution structure of body of revolution-half, public with one with rotation gear 5, pedestal 7, guide-track groove 15 and mouth 9 of pulling pinAxis；Middle part is designed with " rectangle " groove；Afterbody is bowhandle.As shown in Figure 7, Figure 8 and Figure 9：The rotation fastener 12Stage casing is the wedge structure of trough of belt；Both ends are cylindrical boss, have pin hole in cylindrical boss Center.As shown in Figure 10,Left handle spring 1 is installed on by short pin 2 in middle part " rectangle " groove of left handle 3, ensures that right handles 6 can easily openOpen.As shown in figure 11：In the lateral cylindrical hole site of left handle 3,3 head of left handle is fixed on pedestal 7 by long spiro nail 11On epimere；Coordinated by the cylindrical hole at top center and rotary screw 4, rotary screw 4 can rotate in the cylindrical hole.Such asShown in Figure 12, right handles 6 are coordinated by the cylindrical hole at top center and rotary screw 4, and rotary screw 4 can be in the cylindrical holeInterior rotation.As shown in Figure 12 and Figure 13：The arc cam on 6 head of right handles can rotate in the endless track of pedestal 7.It is rightHandle spring 13 is attached by long pin 14 and rotation fastener 12, and rotation fastener 12 is installed on Fig. 6 by its both ends bossThe 6E-E sections of shown right handles are nearby on cylindrical hole.Right handles spring 13 can ensure to open in left handle 3 and right handles 6Cheng Zhong, rotation fastener 12 and are caught in gear grooved, and rotation fastener 12 is reached pole across after rotation 5 several teeth of gearExtreme position；In the case where left handle 3 and right handles 6 are fixed, right handles spring 13 can overcome the rotation pair of rotary screw 4The frictional force that gear 5 produces is rotated, prevents rotation gear 5 from rotating and rotating with rotary screw 4.3 head of left handle, right handles 6After the completion of head and the installation connection of pedestal 7, a more complete cylindrical surface cavity body structure for carrying " gap " is formed, had both been rotationRotating disk 5 provides installation space, and easy to the maintaining of device.Since left handle 3 with pedestal 7 is to be fixedly connected, left handCylindrical hole at the top center on 3 head of handle is not only that rotary screw 4 provides operation passage, plays one to rotary screw 4 yetFixed supporting role, plays the role of certain guarantee to rotation of the right handles 6 around common axis.
The guide track system includes pedestal 7, mouth connecting pin 8 of pulling pin, pull pin mouth 9 and guide-track groove 15.Such as Figure 14, Figure 15 and figureShown in 16, the pedestal 7 is also the body of revolution structure of body of revolution-half, there is one section of circular groove, i.e. ring on hypomere body of revolutionRow track.Mouth 9 of pulling pin is body of revolution structure, and by pulling pin, mouth connecting pin 8 is connected fixation with guide-track groove 15.Guide-track groove 15 is " outerSide in circle " structure；Outer surface is cylindrical surface, ensure guide-track groove 15 with pull pin mouth 9 can together with rotate around common axis；Inner surfaceFor curved surface, i.e. 15 inner surface of guide-track groove coordinates with rotary screw 4 for curve clearance, ensures that rotary screw 4 can be with guide-track groove 15While rotation together, additionally it is possible to slided in 15 inner surface of guide-track groove.It is fixed in left handle 3 and right handles 6, i.e. rotary teethIn the case that wheel 5 does not rotate, mouth 9 of pulling pin is rotated, rotary screw 4 and connecting screw 10 can be promoted to be moved in guide-track groove 15,Realize the adjusting to 10 relative position of rotary screw 4 and connecting screw and connecting screw 10 and wait to pull pin sub or interconnecting pieceConnection.
The actuating system includes rotary screw 4, rotation gear 5 and connecting screw 10.Rotation gear 5 is installed on left handleIn the cylindrical surface cavity body structure with " gap " formed after the completion of 3 heads, 6 head of right handles and the installation connection of pedestal 7, revolvingUnder the action of turning fastener 12, it can be rotated around common axis.4 small end of rotary screw is screw rod, and big end is and table in guide-track groove 15The consistent column structure in face, big end center are the threaded holes being connected with connecting screw 10；4 small end of rotary screw passes through screw thread and rotationThe connection transmission of rotating disk 5, is coordinated by big end and guide-track groove 15, can be slided in guide-track groove 15, and can be with guide-track groove 15 1Rise and rotated around common axis；Rotary screw 4, by cylindrical hole II, passes through cylindrical hole IV with 3 head of left handle with 6 head of right handlesConnect, can relatively rotate in the form of cylinder coordinates.There are screw thread, one end and 4 big end of rotary screw in 10 both ends of connecting screwConnection, the other end and son to be pulled pin（Or interconnecting piece）Connection.Mouth 9 pull pin with guide-track groove 15 and rotary screw 4 with being connected spiral shellBar 10 uses split-type design, can design a series of various sizes of pull pin mouth 9 and connecting screws 10, and intensifier is applicable inProperty, operability and maintainability.
The general process of the device assembling of the utility model is as follows：
1st, guide-track groove 15 is installed in pedestal 7, completion is connected with rotation gear 5 and connecting screw 10 in rotary screw 4Afterwards, rotary screw 4 is inserted into guide-track groove 15, notices that 4 screw thread end face of rotary screw is in below 5 end face of rotation gear.
2nd, after the completion of right handles 6, rotation fastener 12, right handles spring 13 and long pin 14 connect, by right handles 6In the endless track of the arc-shaped convex insertion pedestal 7 on head.
3rd, after left handle spring 1 is installed on left handle 3 by short pin 2, left handle 3 is passed through into long spiro nail 11On pedestal 7, fixed left handle 3 and right handles 6, rotary rail groove 15, stretches out 3 head of left handle by rotary screw 4Cylindrical hole at top center.
4th, the mouth 9 that will pull pin is fixed on guide-track groove 15 by mouth connecting pin 8 of pulling pin, and ensures pull pin mouth 9 and pedestal 7There is appropriate gap on common axis direction so that mouth 9 of pulling pin, guide-track groove 15 can rotate relative to pedestal 7.
5th, fixed left handle 3 and right handles 6, rotate mouth 9 of pulling pin, and adjust rotary screw 4 and connecting screw 10 in guide-track grooveRelative position in 15, makes connecting screw 10 be substantially parallel with 9 lower face of mouth of pulling pin, in running order at any time.
The utility model pull pin and tension device, during pulling pin or tensing, do not produce impact or vibration, do not produceRaw additional rolling moment, avoids and causes damage to parts and the precision instrument being solidificated on parts.Handle is longer, turnsThe vitality changed on rotary screw 4 and connecting screw 10 is bigger.
The utility model is not limited to above-mentioned embodiment, and person of ordinary skill in the field visualizes from above-mentionedHair, without performing creative labour, made a variety of conversion, all fall within the scope of protection of the utility model.