CN115718066A

CN115718066A - Wiring harness detection tool

Info

Publication number: CN115718066A
Application number: CN202211477153.6A
Authority: CN
Inventors: 郑俊彦
Original assignee: Shanghai Global Connection Automotive Parts Co
Current assignee: Shanghai Global Connection Automotive Parts Co
Priority date: 2022-11-23
Filing date: 2022-11-23
Publication date: 2023-02-28

Abstract

The application relates to the technical field of wire harness detection, in particular to a wire harness detection tool, which comprises a bottom plate, and a front end fixing device and a rear end fixing device which are arranged on the bottom plate, wherein the front end fixing device is used for installing a terminal of a wire harness; the rear end fixing device is used for installing wires of the wire harness, a jacking device is arranged at a position, between the front end fixing device and the rear end fixing device, on the bottom plate, the jacking device is vertically arranged, the upper end of the jacking device is used for being abutted to the middle position of the wire harness, and a pressure sensor used for detecting the pressure of the jacking device on the wire harness is arranged below the jacking device. This application has the effect of detecting the firm in connection nature between wire and the terminal.

Description

Wiring harness detection tool

Technical Field

The application relates to the technical field of wire harness detection, in particular to a wire harness detection tool.

Background

The wire harness detection mainly comprises the steps of controlling the production quality of the wire harness in the wire harness production process, reducing the outflow of unqualified products, finding the unqualified products in time, facilitating the elimination of the unqualified products, and reducing the waste of cost caused by useless assembly on the unqualified products in the follow-up process. The wire harness includes a wire and a terminal, one end of the wire being fixed by the terminal, the terminal being used to facilitate the installation of the wire harness on a vehicle.

The utility model discloses a pencil detects frock in the correlation technique, including detector and detection wire, the detection wire is connected in the detector, and the detection wire is kept away from the one end of detector and is connected with the plug, the plug is used for pegging graft with the terminal cooperation of pencil, after the terminal at wire both ends in the pencil is all installed, need detect the quality of pencil, when detecting, be connected the terminal at wire both ends with the plug that the detector is connected through detecting the wire respectively, the plug is equipped with according to the pencil that detects, then can obtain the intercommunication condition of wire and terminal on the detector, guarantee that wire and terminal are the state of circular telegram promptly.

In the above structure, if a virtual connection is generated between the lead and the terminal, the lead and the terminal can conduct electricity, but the connection between the lead and the terminal is not firm.

Disclosure of Invention

In order to detect the firm in connection nature between wire and the terminal, this application provides a pencil detects frock.

The application provides a pencil detects frock adopts following technical scheme:

a wire harness detection tool comprises a bottom plate, and a front end fixing device and a rear end fixing device which are arranged on the bottom plate, wherein the front end fixing device is used for installing terminals of a wire harness; the rear end fixing device is used for installing wires of the wire harness, a jacking device is arranged at a position, between the front end fixing device and the rear end fixing device, on the bottom plate, the jacking device is vertically arranged, the upper end of the jacking device is used for being abutted to the middle position of the wire harness, and a pressure sensor used for detecting the pressure of the jacking device on the wire harness is arranged below the jacking device.

Through adopting above-mentioned technical scheme, during the use, front end fixing device is used for installing the terminal of pencil, rear end fixing device is used for installing the wire of pencil, make the both ends of pencil fixed, jacking device sets up the position between front end fixing device and rear end fixing device, when jacking device upper end is close to the middle part of pencil, produce the effort to the pencil, pressure sensor detects through the effort of applying to the pencil to jacking device simultaneously, and reach the pressure of settlement after pressure sensor, the effort that jacking device was used in the pencil is born to the position of wire and terminal, and then whether the wire takes place to throw off with the terminal, in order to detect the firm in connection between wire and the terminal.

Preferably, the front end fixing device comprises a first mounting seat, and the first mounting seat is fixed on the bottom plate; the upper surface of the first mounting seat is used for placing a terminal; a plug for connecting a terminal is arranged on the first mounting seat; the plug is in sliding fit with the first mounting seat, and a baffle is arranged on the first mounting seat opposite to the plug in direction; and a notch for placing a wire is formed in the middle of the baffle.

Through adopting above-mentioned technical scheme, mount pad one is fixed on the bottom plate, and when the terminal was installed on front end fixing device, the upper surface of mount pad one was placed with the terminal from top to bottom, then let the wire put into by the breach that the baffle middle part was seted up, then with plug connection to the terminal on to fix the terminal, make things convenient for the installation and the dismantlement of terminal, improve the efficiency that detects.

Preferably, the plug is connected with a driving assembly, the driving assembly is provided with a return spring and a sliding block, the sliding block is in sliding fit with the first mounting seat, the sliding block extends to the upper surface of the first mounting seat, the plug is fixedly connected with the sliding block, and the return spring is used for abutting against the sliding block and driving the sliding block to approach the baffle plate.

Through adopting above-mentioned technical scheme, reset spring butt is on the slider, makes reset spring's effort be used for driving about the slider and be close to the direction of baffle, and then places the terminal after between baffle and the plug, the slider can be automatically with plug connection to terminal on.

Preferably, the top of plug is provided with the shifting block, the shifting block is L shape, be connected with fixing bolt on the shifting block, fixing bolt runs through shifting block and plug and threaded connection in slider, the vertical setting of one end of shifting block, the other end level extends and stretches out the plug to the direction of dialling the board, it is used for propping to draw in the top of terminal to dial the board.

Through adopting above-mentioned technical scheme, be connected with fixing bolt on the shifting block to fixing bolt runs through behind shifting block and the plug threaded connection on the slider, makes things convenient for the plug to change according to the wire of difference, and the position of the vertical orientation of shifting block is used for making things convenient for the operator to stimulate the plug simultaneously, and the shifting block level can keep off in the top of terminal along the part that goes out the plug, further improves the fastness fixed to the terminal.

Preferably, the rear end fixing device comprises a second mounting seat and a clamping assembly, a conductive block is fixedly arranged on the second mounting seat, and a wire slot for placing a wire is formed in the conductive block; the conductive block is used for connecting a detection lead; the clamping assembly comprises a clamping jaw, and the clamping jaw extends to the upper part of the wire slot and is used for being abutted against the side wall of the end part of a wire in the wire slot.

Through adopting above-mentioned technical scheme, the clamping jaw among the clamping component is located the top of wire casing and extrudes the tip of wire to the wire casing, and the conducting block is connected with the wire through the wire casing, and the back is opened to the clamping jaw, can place the wire casing with the wire relatively conveniently in, makes things convenient for the pencil to install on rear end fixing device, improves the efficiency that detects.

Preferably, a moving device is arranged below the jacking device and comprises a moving seat moving along the length direction of the lead; the jacking device and the pressure sensor are fixed on the movable seat; the jacking device comprises a roller, and the roller is used for being connected to the guide line in a rolling mode.

Through adopting above-mentioned technical scheme, the mobile device is including removing the seat, removes installation jacking device and pressure sensor on the seat, when removing the seat area jacking device and removing to rear end fixing device, and the pressure that cooperates pressure sensor to detect simultaneously should not be greater than the pressure of setting for the detection, drops the wire from rear end fixing device, guarantees when taking off the pencil that the power between wire and the terminal can not surpass the pulling force when detecting.

Preferably, the moving device further comprises a driving screw and a driving motor, a sliding rail is fixedly arranged on the bottom plate, the sliding rail is arranged along the length direction of the lead, and the moving seat is in sliding fit with the sliding rail; the driving screw is arranged in parallel to the sliding rail, the driving motor is fixed on the bottom plate, and an output shaft of the driving motor is coaxially fixed with the driving screw; the driving screw is in threaded connection with the movable seat.

Through adopting above-mentioned technical scheme, driving motor during operation, driving motor can drive screw and rotate, drive screw with remove a threaded connection to driving motor during operation can be with removing the length direction automatic movement of seat along the slide rail.

Preferably, the middle part of the clamping jaw is rotatably connected to the side wall of the second mounting seat, the upper end of the clamping jaw is abutted to the side wall of the end part of the wire, a clamping spring is arranged between the lower end of the clamping jaw and the second mounting seat, and the clamping spring is connected with a pressure adjusting assembly for adjusting the elastic force of the clamping spring.

Through adopting above-mentioned technical scheme, set up clamping spring between the lower extreme of clamping jaw and the mount pad two to clamping spring is connected with pressure adjustment assembly, can adjust the clamp force of clamping jaw effect on the wire through pressure adjustment assembly, thereby be convenient for jacking device to rear end fixing device removal in-process, the position that the clamping jaw can be followed to the wire drops automatically.

Preferably, the pressure adjusting assembly comprises a pressing block, a driving block and a driving piece, the pressing block and the driving block are perpendicular to each other and are connected to the second mounting seat in a sliding mode, the clamping spring abuts against the portion between the pressing block and the clamping jaw, and a first inclined surface is formed in the pressing block; a second inclined plane parallel to the first inclined plane is formed on the driving block; the driving piece is connected to the second mounting seat and used for pushing the second inclined surface on the driving block to extrude towards the first inclined surface.

Through adopting above-mentioned technical scheme, set up clamping spring between compact heap and the clamping jaw, be close to the compact heap under the effect of driving piece when the drive block, the second inclined plane extrudees towards first inclined plane, and then makes the compact heap be close to and make clamping spring's elasticity adjust to the direction of clamping jaw.

Preferably, the front end fixing device comprises a first mounting seat; the rear end fixing device comprises a second mounting seat; the bottom plate is provided with a plurality of long grooves, connecting bolts are arranged in the long grooves, and the length directions of the long grooves are parallel to the length direction of the wiring harness; the connecting bolt penetrates through the long groove and is in threaded connection with the first mounting seat or the second mounting seat.

Through adopting above-mentioned technical scheme, set up rectangular groove on the bottom plate, set up connecting bolt in the rectangular groove, when fixing mount pad one or mount pad two on the bottom plate through connecting bolt, loosen connecting bolt and can adjust the position of mount pad one and mount pad two along the length direction of rectangular groove strip, and then detect with the pencil that adapts to different length.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the upper end of the jacking device approaches the middle of the wire harness, acting force is generated on the wire harness, meanwhile, the pressure sensor detects the acting force applied to the wire harness by the jacking device, and after the pressure sensor reaches a set pressure, whether the wire is separated from the terminal or not is detected, so that the connection firmness between the wire and the terminal is detected;

2. the terminal is placed on the upper surface of the first mounting seat from top to bottom, and then the plug is connected to the terminal, so that the terminal is convenient to mount and dismount, and the detection efficiency is improved;

3. when taking jacking device to the rear end fixing device removal through removing the seat, the pressure that cooperates pressure sensor to detect simultaneously should not be greater than the pressure of setting for the detection, drops the wire from rear end fixing device, guarantees when taking off the pencil that the power between wire and the terminal can not surpass the pulling force when detecting.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 2 is a schematic diagram of the front end fixing device in the embodiment of the present application;

FIG. 3 is a schematic view of the construction of the rear end fixing device in the embodiment of the present application;

FIG. 4 is a schematic view of the connection structure of the pressure regulating assembly in the embodiment of the present application;

FIG. 5 is an enlarged partial schematic view of portion A of FIG. 1;

fig. 6 is an exploded view of a connection structure of a first mounting seat and a second mounting seat in the embodiment of the present application.

Description of reference numerals: 1. a base plate; 11. a long groove; 12. a connecting bolt; 2. a front end fixing device; 21. a first mounting seat; 211. a guide groove; 22. a plug; 23. a drive assembly; 231. a return spring; 232. a slider; 233. shifting blocks; 2331. an accommodating chamber; 234. a guide bar; 235. fixing the bolt; 24. a stopper; 25. a baffle plate; 251. a notch; 3. a rear end fixing device; 31. a second mounting seat; 311. a guide hole; 312. mounting holes; 32. a clamping assembly; 321. a clamping jaw; 322. a clamping spring; 323. a rubber cushion; 33. a conductive block; 331. a wire slot; 34. a pressure regulating assembly; 341. a compression block; 3411. a first inclined surface; 342. a drive block; 3421. a second inclined surface; 343. a drive member; 35. a sleeve; 36. a nut; 4. a wire harness; 41. a wire; 42. a terminal; 5. detecting a lead; 6. a jacking device; 61. an electric cylinder; 62. a roller; 7. a pressure sensor; 8. a mobile device; 81. a drive screw; 82. a drive motor; 83. a movable seat; 84. a slide rail; 9. a U-shaped groove; 91. and pressing the bolt.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses pencil detects frock, refer to fig. 1, including bottom plate 1, install front end fixing device 2 and rear end fixing device 3 on bottom plate 1, install pencil 4 on front end fixing device 2 and rear end fixing device 3, pencil 4 includes wire 41 and terminal 42, the one end at wire 41 is fixed to terminal 42, be used for installing terminal 42 on front end fixing device 2, rear end fixing device 3 is used for connecting wire 41 to keep away from the one end in terminal 42, rear end fixing device 3 can set up a plurality ofly, set up two in this embodiment, wire 41 is kept away from the one end of terminal 42 and is exposed for the copper line, all install on front end fixing device 2 and rear end fixing device 3 and be used for detecting pencil 4 electrically conductive detection wire 5, and then detecting pencil 4 by detection wire 5 connection detector.

Referring to fig. 1, a jacking device 6 is mounted on a bottom plate 1, the jacking device 6 is arranged in the middle of a lead 41, the jacking device 6 comprises an electric cylinder 61 and a roller 62, the electric cylinder 61 is vertically arranged, the roller 62 is rotatably mounted at the upper end of the electric cylinder 61, the roller 62 is used for abutting against the lower side wall of the lead 41, the output length of the electric cylinder 61 can measure the length of the lead 41, a pressure sensor 7 is arranged below the electric cylinder 61, and the pressure sensor 7 is used for measuring the acting force of the electric cylinder 61 on the lead 41. The pressure sensor 7 is configured to contact the lead wire 41 at a predetermined pressure to determine the firmness of connection between the lead wire 41 and the terminal 42, and the output length of the electric cylinder 61 can be determined by the measurement result even when the pressure detected by the pressure sensor 7 reaches the predetermined pressure, that is, whether or not the length of the wire harness 4 is acceptable, so that the connection quality and the length of the wire harness 4 can be detected.

Referring to fig. 2, the front end fixing device 2 includes a first mounting seat 21 and a plug 22 disposed on the first mounting seat 21, the plug 22 is connected with a driving assembly 23, the driving assembly 23 includes a return spring 231, a slider 232 and a shifting block 233, the slider 232 is disposed inside the first mounting seat 21, a guide groove 211 for slidably connecting the slider 232 is formed in the first mounting seat 21, the return spring 231 is disposed in the guide groove 211, a stopper 24 is fixedly disposed at one end of the side wall of the first mounting seat 21 of the guide groove 211, one end of the return spring 231 abuts against the stopper 24, the other end abuts against the slider 232, and the length direction of the guide groove 211 is parallel to the direction in which the plug 22 is inserted into the terminal 42. The inside of slider 232 is seted up and is used for installing the chamber 2331 that holds of reset spring 231, holds the chamber 2331 internal fixation and is provided with guide bar 234, guide bar 234 is worn to establish and is in sliding fit with dog 24 by the middle part of dog 24, and reset spring 231 overlaps and establishes on guide bar 234, makes on the one hand reset spring 231 can enter into and hold chamber 2331 at the in-process of motion, and guide bar 234 also can reduce the radial deformation of reset spring 231 simultaneously, improves reset spring 231's stability. The plug 22 is located the top surface of mount pad one 21 to the slider 232 extends to the position of the top surface parallel and level of mount pad one 21, and one side of plug 22 pastes the top surface setting of slider 232, and the other end is used for placing shifting block 233, is provided with fixing bolt 235 on shifting block 233, and fixing bolt 235 vertically runs through shifting block 233, plug 22 downwards and threaded connection is on slider 232, thereby with shifting block 233 and plug 22 and slider 232 fixed connection. The shifting block 233 is L-shaped as a whole, and one side of the shifting block 233 away from the plug 22 is vertically upward. During the use, the staff pulls shifting block 233 to the direction of keeping away from in terminal 42 through the position that shifting block 233 faces up, and shifting block 233 drives plug 22 and keeps away from the direction removal in terminal 42, puts into new pencil 4 again after, unclamps shifting block 233, and reset spring 231 can move slider 232 to the direction that is close to in terminal 42, and then plug 22 cooperates with terminal 42 on the pencil 4 again. The side of the moving block 233 connected with the sliding block 232 horizontally extends toward the terminal 42 and exceeds the plug 22, so that after the plug 22 is connected with the terminal 42, the horizontal part of the moving block 233 can be blocked above the terminal 42, and the terminal 42 can be fixed relatively conveniently. A baffle 25 is fixedly arranged on the first mounting seat 21, the baffle 25 and the plug 22 face to each other and are arranged at intervals, the baffle 25 is positioned on a vertical side wall of the first mounting seat 21, one side of the baffle 25 facing the plug 22 is used for placing a terminal 42, and the terminal 42 is blocked by the baffle 25. Meanwhile, the baffle 25 is provided with a notch 251 facing the direction, the position of the notch 251 is used for placing a wire 41 of the wiring harness 4, so that the terminal 42 is conveniently and directly placed on the upper surface of the first mounting seat 21 from top to bottom, the plug 22 is matched with the shifting block 233 to fix the terminal 42 on the first mounting seat 21, the wiring harness 4 is conveniently fixed and detached on the front end fixing device 2, and the detection efficiency of the wiring harness 4 is improved. The plug 22 is electrically connected with the detection lead 5, and the mounting seat I21 is made of insulating materials.

Referring to fig. 3, the rear end fixing device 3 includes a second mounting seat 31 and a clamping assembly 32, and the second mounting seat 31 is made of an insulating material and is fixed on the base plate 1. A conductive block 33 is fixedly arranged on the upper surface of the second mounting seat 31, a wire slot 331 for placing the wire 41 is formed in the conductive block 33, the wire slot 331 is located at one end of the conductive block 33, the conductive block 33 is made of copper materials, and meanwhile, the detection wire 5 is electrically connected with the conductive block 33. The clamping assembly 32 includes two clamping jaws 321, the two clamping jaws 321 are located on two opposite side walls of the second mounting seat 31, and the clamping jaws 321 are located at positions corresponding to the wire slot 331, then a portion of the clamping jaws 321 above the second mounting seat 31 extends to the middle of the wire slot 331, the clamping jaws 321 are used for abutting on upper side walls of the wires 41 placed in the wire slot 331, when the wires 41 are located in the wire slot 331, the wires 41 are located at horizontal positions, and meanwhile, since the abutting positions of the clamping jaws 321 are side walls of the end portions of the wires 41, the clamping jaws 321 cooperate with the wire slot 331 to fix the wires 41 on the rear end fixing device 3. A clamping spring 322 for abutting against the clamping jaw 321 is arranged between the clamping jaw 321 and the second mounting seat 31, the clamping spring 322 is used for applying a clamping force to the clamping jaw 321 to ensure the conductive connection between the conducting wire 41 and the conducting block 33, and simultaneously, before the jacking device 6 enables the pressure sensor 7 to reach a set pressure, the conducting wire 41 cannot fall off from the conducting block 33. The middle parts of the clamping jaws 321 are rotatably connected to the side walls of the second mounting seats 31, when the lower parts of the two clamping jaws 321 are close to each other, the upper ends of the two clamping jaws 321 are far away from each other and staggered with the wire grooves 331, so that the exposed parts of the wires 41 can be placed in the wire grooves 331 from top to bottom by workers, and the wires 41 are automatically fixed by the clamping jaws 321 after the two clamping jaws 321 are loosened. The rubber cushion 323 is fixedly arranged at one end, close to the wire casing 331, of the clamping jaw 321, and the rubber cushion 323 can clamp the wire 41 through deformation and can reduce scratches generated on the wire 41.

Referring to fig. 4, a pressure adjusting assembly 34 is disposed in the second mounting seat 31, and the pressure adjusting assembly 34 is used for adjusting the clamping force of the two clamping jaws 321 on the wire 41. The pressure adjusting assembly 34 comprises a pressing block 341, a driving block 342 and a driving element 343, a guide hole 311 is formed in the second mounting seat 31, the guide hole 311 penetrates through the second mounting seat 31, two ends of the guide hole are respectively facing the two clamping jaws 321, a sleeve 35 is fixedly arranged on the surface of the lower portion of the clamping jaw 321 facing the mounting seat, one end of the clamping spring 322 is located in the sleeve 35 and abuts against the clamping jaw 321, the phenomenon that the clamping spring 322 falls off from the clamping jaw 321 in the deformation process can be reduced through the sleeve 35, the pressing block 341 is in sliding fit in the guide hole 311, and one end of the clamping spring 322, which is far away from the clamping jaw 321, abuts against the pressing block 341. The pressing block 341 has a first inclined surface 3411 on a side away from the clamping spring 322. An installation hole 312 perpendicular to the guide hole 311 is formed in the second installation seat 31, one end of the installation hole 312 is located on the side wall of the second installation seat 31 and is fixedly provided with a nut 36, and the nut 36 is fixed on the second installation seat 31 through a screw so that the center of the nut 36 faces the installation hole 312. The driving block 342 is slidably fitted into the mounting hole 312, the driving member 343 is a screw, the driving member 343 is screwed to the nut 36, one end of the screw in the mounting hole 312 abuts against the driving block 342, and one end of the driving member 343 remote from the driving member 343 is provided with a second inclined surface 3421 parallel to the first inclined surface 3411. The two pressing blocks 341 are respectively located at two sides of the driving block 342, so that when the driving block 342 is driven by the driving block 342 to approach the pressing blocks 341, the two pressing blocks 341 approach the clamping jaws 321 along the guide holes 311, and then the two clamping springs 322 are squeezed, so that the elastic force of the two clamping springs 322 is adjusted to adapt to the detection acting force required by different wires 41.

Referring to fig. 5, a moving device 8 is fixedly disposed on the upper surface of the bottom plate 1, the moving device 8 includes a driving screw 81, a driving motor 82 and a moving seat 83, a slide rail 84 is fixedly disposed on the upper surface of the bottom plate 1, a length direction of the slide rail 84 is parallel to a direction of the conductive wire 41, and a rolling direction of the roller 62 is parallel to a length direction of the slide rail 84, the moving seat 83 is slidably fitted on the slide rail 84, the driving motor 82 is fixed on the bottom plate 1, an output shaft of the driving motor 82 is coaxially fixed with the driving screw 81, the driving screw 81 is parallel to the slide rail 84, the driving screw 81 is in threaded connection with the moving seat 83, when the driving screw 81 is driven by the driving motor 82, the driving screw 81 drives the moving seat 83 to translate along the slide rail 84, and the pressure sensor 7 and the jacking device 6 are fixed on the moving seat 83. When the device is used, the jacking device 6 is firstly moved to the middle position of the wire 41, then the length and the connection firmness of the wire harness 4 are detected, the driving screw 81 is driven to rotate by the driving motor 82, the driving screw 81 drives the moving seat 83 to move towards the rear end fixing device 3, so that the roller 62 moves along the length direction of the wire 41, in the moving process, the pressure sensor 7 detects the pressure on the wire 4 and keeps at a set pressure value, and the jacking device 6 is close to the rear end fixing device 3, so that the abutting force generated by the jacking device 6 on the wire harness 4 is more greatly distributed to the connection position of the wire 41 and the rear end fixing device 3, the tension of the connection position of the terminal 42 and the wire 41 is smaller than the maximum detected tension, and therefore, the pressure of the wire 41 by the two clamping jaws 321 is adjusted to a proper position by the pressure adjusting device, so that the moving device 8 directly pulls the wire 41 out from the positions of the two clamping jaws 321 by the jacking device 6, and meanwhile, the tension of the connection position of the wire 41 and the terminal 42 can not exceed the detected tension.

Referring to fig. 6, the bottom plate 1 is provided with a plurality of elongated grooves 11, each elongated groove 11 is disposed corresponding to the first mounting seat 21 or the second mounting seat 31, and the length direction of each elongated groove 11 is along the placement direction of the wires 41. At least one connecting bolt 12 is arranged in each elongated groove 11, the connecting bolt 12 penetrates through the elongated groove 11 and is in threaded connection with the first mounting seat 21 or the second mounting seat 31, the first mounting seat 21 and the second mounting seat 31 are fixed on the bottom plate 1 through the connecting bolts 12, and meanwhile, when the connecting bolts 12 are loosened, the positions of the first mounting seat 21 or the second mounting seat 31 can be adjusted, so that the wire harnesses 4 with different lengths can be detected. The U-shaped groove 9 with an upward opening is formed in the upper surface of the second mounting seat 31, the conducting block 33 is placed in the U-shaped groove 9, the conducting block 33 is connected with the detection lead 5, the detection lead 5 is placed between the bottom of the U-shaped groove 9 and the conducting block 33, then a compression bolt 91 is connected to the conducting block 33, the compression bolt 91 penetrates through the conducting block 33 and is in threaded connection with the second mounting seat 31, and therefore the conducting block 33 is conveniently connected with the detection lead 5.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a pencil detects frock which characterized in that: the wire harness fixing device comprises a bottom plate (1), and a front end fixing device (2) and a rear end fixing device (3) which are arranged on the bottom plate (1), wherein the front end fixing device (2) is used for installing a terminal (42) of a wire harness (4); rear end fixing device (3) are used for installing wire (41) of pencil (4), the position that lies in on bottom plate (1) between front end fixing device (2) and rear end fixing device (3) is provided with jacking device (6), jacking device (6) vertical setting, the upper end of jacking device (6) is used for the butt in the middle part position of pencil (4), the below of jacking device (6) is provided with pressure sensor (7) that are used for detecting jacking device (6) to pencil (4) pressure.

2. The wire harness detection tool according to claim 1, characterized in that: the front end fixing device (2) comprises a first mounting seat (21), and the first mounting seat (21) is fixed on the bottom plate (1); the upper surface of the first mounting seat (21) is used for placing a terminal (42); a plug (22) for connecting a terminal (42) is arranged on the first mounting seat (21); the plug (22) is in sliding fit with the first mounting seat (21), and a baffle (25) is arranged at a position, facing the plug (22), of the first mounting seat (21); the middle part of the baffle (25) is provided with a notch (251) for placing the lead (41).

3. The wire harness detection tool according to claim 2, wherein: the plug (22) is connected with a driving assembly (23), the driving assembly (23) is provided with a return spring (231) and a sliding block (232), the sliding block (232) is in sliding fit with the first mounting seat (21), the sliding block (232) extends to the upper surface of the first mounting seat (21), the plug (22) is fixedly connected with the sliding block (232), and the return spring (231) is used for abutting against the sliding block (232) and driving the sliding block (232) to approach to the direction of the baffle (25).

4. The wire harness detection tool according to claim 3, wherein: the top of plug (22) is provided with shifting block (233), shifting block (233) are L shape, be connected with fixing bolt (235) on shifting block (233), fixing bolt (235) run through shifting block (233) and plug (22) and threaded connection in slider (232), the vertical setting of one end of shifting block (233), other end level extend and stretch out plug (22) to the direction of dialling the board, dial the board and be used for supporting the top of drawing at terminal (42).

5. The wire harness detection tool according to claim 1, characterized in that: the rear end fixing device (3) comprises a second mounting seat (31) and a clamping assembly (32), a conductive block (33) is fixedly arranged on the second mounting seat (31), and a wire slot (331) for placing a wire (41) is formed in the conductive block (33); the conductive block (33) is used for connecting a detection lead (5); the clamping assembly (32) comprises a clamping jaw (321), and the clamping jaw (321) extends to the upper part of the wire slot (331) for abutting against the side wall of the end part of the wire (41) in the wire slot (331).

6. The wire harness detection tool according to claim 5, wherein: a moving device (8) is arranged below the jacking device (6), and the moving device (8) comprises a moving seat (83) moving along the length direction of the lead (41); the jacking device (6) and the pressure sensor (7) are fixed on the movable seat (83); the jacking device (6) comprises a roller (62), and the roller (62) is used for being connected to the lead (41) in a rolling mode.

7. The wire harness detection tool according to claim 6, wherein: the moving device (8) further comprises a driving screw (81) and a driving motor (82), a sliding rail (84) is fixedly arranged on the bottom plate (1), the sliding rail (84) is arranged along the length direction of the lead (41), and the moving seat (83) is in sliding fit with the sliding rail (84); the driving screw (81) is arranged in parallel to the sliding rail (84), the driving motor (82) is fixed on the bottom plate (1), and an output shaft of the driving motor (82) is coaxially fixed with the driving screw (81); the driving screw rod (81) is in threaded connection with the movable seat (83).

8. The wire harness detection tool according to claim 6, wherein: the middle part of clamping jaw (321) is rotated and is connected on the lateral wall of mount pad two (31), the upper end of clamping jaw (321) is used for the butt on the lateral wall of wire (41) tip, be provided with clamping spring (322) between the lower extreme of clamping jaw (321) and mount pad two (31), clamping spring (322) are connected with pressure adjusting part (34) that are used for adjusting clamping spring (322) elasticity.

9. The wire harness detection tool according to claim 8, wherein: the pressure adjusting assembly (34) comprises a pressing block (341), a driving block (342) and a driving piece (343), the pressing block (341) and the driving block (342) are perpendicular to each other and are connected to the second mounting seat (31) in a sliding mode, the clamping spring (322) abuts between the pressing block (341) and the clamping jaw (321), and a first inclined surface (3411) is formed in the pressing block (341); a second inclined surface (3421) parallel to the first inclined surface (3411) is formed on the driving block (342); the driving piece (343) is connected to the second mounting seat (31) and used for pushing the second inclined surface (3421) on the driving block (342) to press towards the first inclined surface (3411).

10. The wire harness detection tool according to claim 1, wherein: the front end fixing device (2) comprises a first mounting seat (21); the rear end fixing device (3) comprises a second mounting seat (31); a plurality of long grooves (11) are formed in the bottom plate (1), connecting bolts (12) are arranged in the long grooves (11), and the length direction of the long grooves (11) is parallel to the length direction of the wire harness (4); the connecting bolt (12) penetrates through the long groove (11) and is in threaded connection with the first mounting seat (21) or the second mounting seat (31).