Pile foundation quality detection deviceTechnical Field
The application relates to the field of pile foundation detection, in particular to a pile foundation quality detection device.
Background
After the construction and forming of the pile foundation are completed, the integrity of the pile foundation is required to be detected so as to judge forming quality detection indexes such as crack development condition, concrete homogeneity and the like of the pile foundation.
In the related art, the molding quality of pile foundations is generally detected by an acoustic wave transmission method. Specifically, the acoustic wave transmission testing method mainly comprises the steps of embedding two rigid acoustic testing pipes extending to two ends of a pile foundation in the pile foundation, and then injecting clear water into the acoustic testing pipes before formally starting to test. After the clear water is filled in the sound measurement tube, the transmitting probe and the receiving probe are respectively placed in the two sound measurement tubes, and then a detector gradually lowers the transmitting probe and the receiving probe to the bottom of the sound measurement tube through a cable connected with the transmitting probe and a cable connected with the receiving probe, so that the forming quality of the pile foundation is obtained through the physical parameters of sound waves.
For the related art, the pile foundation length is generally larger for the high-rise building, and the required cable length is correspondingly larger. Therefore, when the pile foundation forming quality is measured by the acoustic wave transmission method, a detector needs to pay and pay the cable with a large length frequently, which is inconvenient.
Disclosure of Invention
In order to facilitate a detector to more conveniently wind and pay-off cables when measuring the pile foundation forming quality through an acoustic wave transmission measurement method, the application provides a pile foundation quality detection device.
The application provides a pile foundation quality detection device which adopts the following technical scheme:
The pile foundation quality detection device comprises a winding frame, a winding roller, a driving motor and a guide block, wherein the winding roller is in running fit with the winding frame, the winding roller is arranged in the horizontal direction, a detection cable is wound on the winding roller, a detection probe is arranged at the tail end of the detection cable, the type of the detection probe is a transmitting probe or a receiving probe, and the driving motor is used for driving the winding roller to rotate;
The guide block penetrates through the guide hole, the cable slides and penetrates through the guide hole, the winding frame is provided with a reciprocating driving assembly, and the reciprocating driving assembly is used for driving the guide block to reciprocate along the horizontal direction.
Through adopting above-mentioned technical scheme, when launching probe or receiving probe, will launch probe or receiving probe by the inspector and put into the sound tube, then by driving motor drive wire winding roller rotation to will launch probe or receiving probe place the bottom of sound tube according to the speed of detection requirement. On the one hand, this is not only advantageous in ensuring uniformity of the lowering speed of the transmitting probe or the receiving probe, thereby improving the detection accuracy. On the other hand, the device is also beneficial to reducing the occurrence of frequent winding and unwinding of the cable with large length by a tester, so that the cable is conveniently and rapidly wound and unwound when the tester measures the pile foundation forming quality through the sound wave transmission measurement method.
In addition, in the process of detecting cable recovery, the reciprocating driving assembly enables the guide block to reciprocate along the horizontal direction, so that the detecting cables are uniformly wound on the winding roller, and the occurrence of the condition that the detecting cables are intensively wound on one part of the winding roller is reduced.
Optionally, the winding roller is provided with a winding baffle, the winding baffle is located at the end of the bobbin, and the diameter size of the winding baffle is larger than that of the winding roller.
Through adopting above-mentioned technical scheme, wire winding baffle makes when retrieving the detection cable, is difficult for winding up to the outside of wire winding roller to reduce the emergence of the condition of detecting the cable landing.
Optionally, the driving synchronizing wheel is installed to driving motor's output, the driven synchronizing wheel is installed to the winding roller, around being equipped with the transmission hold-in range between driving synchronizing wheel and the driven synchronizing wheel.
Through adopting above-mentioned technical scheme, driving motor makes the winding roller rotate through the transmission hold-in range, and then is convenient for adjust driving motor's position according to the actual shape of rolling frame to be convenient for reduce driving motor and outstanding the emergence of setting up in the condition of rolling frame.
Optionally, the reciprocating drive assembly includes mounting base, drive screw and reciprocating motor, mounting base installs in the rolling frame, the guide block slides along the horizontal direction and cooperates in mounting base, drive screw normal running fit in mounting base, just drive screw wears to locate the guide block along the horizontal direction screw thread, reciprocating motor is used for making drive screw forward and backward rotation.
Through adopting above-mentioned technical scheme, reciprocating motor makes drive screw forward and backward rotate, drives the guide block along horizontal direction reciprocating motion, and then is convenient for adjust the velocity of motion of guide block, reduces the guide block velocity of motion too fast for the detection cable is from the condition of one of them end of winding up the other end of propping up the winding up roller, thereby is favorable to guaranteeing to detect the even winding up of cable.
Optionally, installation cavity and cable export have been seted up to the mounting base, guide block, drive screw and reciprocating motor all are located the installation cavity, cable export intercommunication is in the installation cavity, the dustproof apron is installed to the mounting base, the installation cavity is located to dustproof apron cover, the cable entry has been seted up to dustproof apron, cable entry intercommunication is in the installation cavity.
Through adopting above-mentioned technical scheme, dustproof apron makes the raise dust of job site be difficult for gluing to guide block, drive screw and reciprocating motor, and then reduces the emergence of the circumstances that guide block, drive screw or reciprocating motor were damaged by the dust, is favorable to guaranteeing guide block, drive screw and reciprocating motor's life.
Optionally, the output shaft of the reciprocating motor is arranged along the vertical direction, the driving gear is coaxially arranged on the output shaft of the reciprocating motor, the driven gear is coaxially arranged on the driving screw, and the driven gear is meshed with the driving gear.
Through adopting above-mentioned technical scheme, drive screw rotates when reciprocating motor passes through driving gear and driven gear, is favorable to reducing mounting base's size, and then is convenient for the inspector to shift pile foundation quality detection device.
Optionally, a guide ball is arranged in the guide hole, and the guide ball is in rolling fit with the inner wall of the guide hole.
Through adopting above-mentioned technical scheme, the guide ball has reduced the frictional force between the inner wall of detection cable and guiding hole, and then makes the detection cable be difficult for being worn and torn by the inner wall of guiding hole when the guide block moves along the horizontal direction.
Optionally, a flexible protection cover is installed at the end of the detection cable, and the detection probe is located in an area covered by the flexible protection cover.
Through adopting above-mentioned technical scheme, at the in-process that detects the cable and retrieve, flexible protection casing makes transmitting probe or receiving probe be difficult for under the effect of horizontal movement's detection cable, directly collide with rigid sounding pipe to reduce the emergence of transmitting probe or receiving probe and collide with the circumstances of damage. In addition, after the transmitting probe or the receiving probe is recovered, the flexible protective cover is folded, so that the transmitting probe or the receiving probe can be conveniently exposed, and the transmitting probe or the receiving probe is convenient to maintain by a detector.
In summary, the present application includes at least one of the following beneficial technical effects:
1. When the transmitting probe or the receiving probe is lowered, the transmitting probe or the receiving probe is placed into the sounding pipe by a detector, and then the winding roller is driven by the driving motor to rotate, so that the transmitting probe or the receiving probe is placed at the bottom of the sounding pipe according to the detection requirement speed. On the one hand, this is not only advantageous in ensuring uniformity of the lowering speed of the transmitting probe or the receiving probe, thereby improving the detection accuracy. On the other hand, the device is also beneficial to reducing the occurrence of frequent winding and unwinding of the cable with large length by a tester, so that the cable is conveniently and rapidly wound and unwound when the tester measures the pile foundation forming quality through the sound wave transmission measurement method.
In addition, in the process of detecting cable recovery, the reciprocating driving assembly enables the guide block to reciprocate along the horizontal direction, so that the detecting cables are uniformly wound on the winding roller, and the occurrence of the condition that the detecting cables are intensively wound on one part of the winding roller is reduced.
2. The reciprocating motor enables the driving screw to rotate forward and backward, drives the guide block to reciprocate along the horizontal direction, and then is convenient to adjust the movement speed of the guide block, reduces the too fast movement speed of the guide block, enables the detection cable to wind the condition of the other end of the supporting winding roller from one end of the winding roller, and is beneficial to ensuring the uniform winding of the detection cable.
3. The guide ball reduces the friction between the detection cable and the inner wall of the guide hole, so that the detection cable is not easy to be worn by the inner wall of the guide hole when the guide block moves along the horizontal direction.
Drawings
FIG. 1 is a first overall schematic of the overall structure of an embodiment of the present application.
FIG. 2 is a schematic cross-sectional view of a test probe and a flexible shield according to an embodiment of the application.
Fig. 3 is a second overall schematic of the overall structure of an embodiment of the present application.
Fig. 4 is an exploded view of a reciprocating drive assembly in accordance with an embodiment of the present application.
Fig. 5 is a schematic cross-sectional view of a guide block according to an embodiment of the present application.
The reference numerals comprise 1, a winding frame, 2, a winding roller, 21, a detection cable, 22, a detection probe, 23, a flexible protective cover, 231, a detection through hole, 24, a winding baffle, 25, a driven synchronous wheel, 3, a driving motor, 31, a driving synchronous wheel, 4, a guide block, 401, a guide hole, 41, a guide ball, 5, a reciprocating driving assembly, 51, a mounting base, 511, a mounting cavity, 512, a cable outlet, 52, a driving screw, 521, a driven gear, 53, a reciprocating motor, 531, a driving gear, 54, a dustproof cover plate, 541 and a cable inlet.
Detailed Description
The application is described in further detail below with reference to fig. 1-5.
The embodiment of the application discloses a pile foundation quality detection device. Referring to fig. 1, the pile quality detecting apparatus includes a winding frame 1, a winding roller 2, a driving motor 3, and a guide block 4.
Referring to fig. 1 and 2, the winding roller 2 is rotatably fitted to the winding frame 1, and the winding roller 2 is disposed in a horizontal direction. The wire winding roller 2 is wound with a detection wire 21, and a detection probe 22 is mounted at the end of the detection wire 21 so that the detection probe 22 is housed in the acoustic tube by rotation of the wire winding roller 2. Specifically, the type of the detection probe 22 is either a transmitting probe or a receiving probe. In addition, the flexible boot 23 is fixedly mounted to the end of the detection cable 21, and in the embodiment of the present application, the material of the flexible boot 23 is rubber. The detection probe 22 is located in the area covered by the flexible protective cover 23, so that the detection probe 22 is not easy to damage due to collision with the sound tube, and the flexible protective cover 23 is turned up to expose the detection probe 22 when the detection probe 22 needs to be maintained. The detection probe 22 is provided with a plurality of detection through holes 231 in a penetrating way, so that the flexible protective cover 23 is not easy to interfere with the detection probe 22 to emit or receive sound waves.
Referring to fig. 3, the winding roller 2 is provided with two winding baffles 24, and the two winding baffles 24 are respectively located at both ends of the winding roller 2. The winding baffle 24 is circular, and the winding baffle 24 is fixedly mounted on the winding roller 2, and the diameter size of the winding baffle 24 is larger than that of the winding roller 2, so that the detection cable 21 wound on the winding roller 2 is not easy to slide off from the winding roller 2.
Referring to fig. 3, in the embodiment of the present application, the driving motor 3 is a servo motor, so that the rotation speed of the driving motor 3 is adjusted by a PLC program, so that the transmitting probe is lowered to the bottom of the sounding pipe according to the speed required by the detection. The driving motor 3 is located at the bottom of the winding roller 2, and the driving motor 3 is fixedly mounted on the winding frame 1, and an output shaft of the driving motor 3 is arranged in the horizontal direction. The driving synchronizing wheel 31 is coaxially and fixedly arranged on the output shaft of the driving motor 3, and the driven synchronizing wheel 25 is coaxially and fixedly arranged on the winding roller 2. A transmission synchronous belt is wound between the driving synchronous wheel 31 and the driven synchronous wheel 25 so as to drive the winding roller 2 to rotate through the driving motor 3.
Referring to fig. 1 and 4, the winding frame 1 is provided with a reciprocating drive assembly 5, and the reciprocating drive assembly 5 is located at one side of the winding roller 2. The reciprocating drive assembly 5 includes a mounting base 51, a drive screw 52, and a reciprocating motor 53. The mounting base 51 is fixedly mounted on the winding frame 1, the mounting base 51 is provided with a mounting cavity 511, and the guide block 4, the driving screw 52 and the reciprocating motor 53 are all positioned in the mounting cavity 511. The installation base 51 is fixedly provided with a dustproof cover plate 54, and the dustproof cover plate 54 is covered in the installation cavity 511, so that dust on a construction site is not easy to influence the service lives of the guide block 4, the driving screw 52 and the reciprocating motor 53.
Referring to fig. 4, both ends of the driving screw 52 are rotatably fitted to the mounting base 51, and the driving screw 52 is threaded through the guide block 4 in the horizontal direction, and the guide block 4 is slidably fitted to the mounting base 51 in the horizontal direction by the guide rod, so that the guide block 4 reciprocates in the horizontal direction by the forward and reverse rotation of the driving screw 52.
Referring to fig. 4, in the embodiment of the present application, the type of the reciprocating motor 53 is a servo motor, so that the rotation speed and the rotation direction of the reciprocating motor 53 can be conveniently adjusted by a PLC program, and the structure of forward and reverse rotation of the driving screw 52 is simplified, so that the reciprocating driving assembly 5 is not complicated and bulky. The output shaft of the reciprocating motor 53 is disposed in the vertical direction, the driving gear 531 is coaxially and fixedly mounted on the output shaft of the reciprocating motor 53, and the driven gear 521 is coaxially and fixedly mounted on the driving screw 52. In the embodiment of the present application, the driving gear 531 and the driven gear 521 are of a bevel gear type. The driving gear 531 is engaged with the driven gear 521 so as to rotate the driving screw 52 forward and backward by the reciprocating motor 53.
Referring to fig. 5, the dust cover 54 is provided with a cable inlet 541 penetrating therethrough, the cable inlet 541 is connected to the mounting cavity 511, and the detection cable 21 is slidably inserted into the cable inlet 541. The cable inlet 541 extends in the horizontal direction, and the length dimension of the cable inlet 541 is greater than the length dimension of the winding roller 2. The cross section of the cable inlet 541 is arranged in a horn shape, and a notch having a large width dimension of the cable inlet 541 is arranged away from the mounting cavity 511, so that the detection cable 21 is not easily worn out by collision with the inner wall of the cable inlet 541.
Referring to fig. 5, the guide block 4 is provided with a guide hole 401, and the detection cable 21 is slidably inserted into the guide hole 401. The two notches of the guide hole 401 are all arranged in a horn shape, and the small-diameter ends of the two notches of the guide hole 401 are arranged close to each other, so that the detection cable 21 is not easy to be worn by the inner wall of the guide hole 401. In addition, a plurality of guide balls 41 are arranged in the guide hole 401, and the plurality of guide balls 41 are uniformly distributed around the axis of the guide hole 401. The guide ball 41 is in rolling fit with the inner wall of the guide hole 401, and the guide ball 41 is closely matched with the detection cable 21, so that the abrasion of the detection cable 21 by the inner wall of the guide hole 401 is further reduced.
Referring to fig. 5, the mounting base 51 is provided with a cable outlet 512 therethrough, the cable outlet 512 is connected to the mounting cavity 511, and the detection cable 21 is slidably disposed through the cable outlet 512. The cable outlet 512 extends in the horizontal direction, and the length dimension of the cable outlet 512 is larger than the length dimension of the winding roller 2. The cross section of the cable outlet 512 is arranged in a horn shape, and the notch with a large width dimension of the cable inlet 541 is arranged away from the mounting cavity 511, so that the detection cable 21 is not easy to wear due to collision with the inner wall of the cable outlet 512.
The pile foundation quality detection device of the embodiment of the application is implemented by starting a driving motor 3 to enable a winding roller 2 to rotate, and then lowering a detection probe 22, namely a transmitting probe or a receiving probe, to the bottom of a sound tube. After the probe 22 to be detected is lowered to the bottom of the sounding pipe and pile foundation measurement is completed, the driving motor 3 reversely rotates, so that the probe 22 rises from the sounding pipe. In the process that the detection probe 22 ascends, the reciprocating motor 53 drives the guide block 4 to horizontally move from one end of the winding roller 2 to the other end of the winding roller 2, so that the detection cable 21 is uniformly wound on the winding roller 2, and the detection cable is convenient to wind and unwind conveniently when the detection personnel measure the pile foundation forming quality through the sonic transmission method. In addition, the flexible shield 23 makes the detection probe 22 not easily directly strike the sound tube during the horizontal movement of the guide block 4, thereby reducing the occurrence of damage to the detection probe 22.
The above embodiments are not intended to limit the scope of the application, so that the equivalent changes of the structure, shape and principle of the application are covered by the scope of the application.