Voltage end hold-down device for conductor resistance measurement

Abstract

The utility model relates to the field of conductor resistance detection, in particular to a voltage end hold-down device for conductor resistance measurement, which comprises a hold-down device, the hold-down device comprises a voltage end copper chuck assembly and a driving assembly, the voltage end copper chuck assembly is fixedly mounted at the top of the driving assembly, and the driving assembly comprises a cross rod, a hold-down frame and a driving device. A containing groove is formed in the top of the cross rod, through holes are formed in the positions, close to the two ends, of the containing groove, the two ends of the two pressing-holding frames are fixedly connected with telescopic assemblies, the telescopic assemblies penetrate through the through holes of the cross rod to be fixedly connected with the voltage end copper chuck assembly, and the driving device is fixedly installed at the center positions of the two pressing-holding frames. According to the device, the transverse rod moves up and down to be perfectly attached to the cable conductor, the resistance detection accuracy of the device to the cable conductor is effectively improved, the voltage end copper chuck assembly is prevented from being collided and damaged when detection is not carried out, and the device has the advantages of being high in pressing efficiency, small in chuck damage and long in service life.

Description

Technical Field

[0001] The utility model relates to the field of conductor resistance detection, in particular to a voltage terminal pressing device for conductor resistance measurement. Background Art

[0002] Cable conductor is mainly a kind of conducting material used to transmit and carry electric current. According to different actual usage conditions, the conductor materials and types used are also different. After processing, each conductor material needs to accurately measure the resistance value in the voltage terminal. It can be sold after the resistance measurement is qualified. When measuring the resistance, the cable conductor needs to be manually pressed on the resistance detection device with a simple tool. If the cable conductor is not placed stably or the cable conductor is not in contact with the detection device during the detection, inaccurate measurement data will occur. Therefore, a voltage terminal pressing device for conductor resistance measurement is needed to solve the problem of unstable placement of the conductor and the measuring device and poor fitting effect during resistance measurement. Utility Model Content

[0003] The utility model aims to provide a voltage terminal clamping device for conductor resistance measurement. The device has novel design, convenient operation, practicality and reliability. Compared with ordinary double-end clamping, the device can realize rapid clamping of cable conductors, has high clamping efficiency, little clamping head damage and long service life.

[0004] The utility model aims to provide a voltage terminal pressing device for conductor resistance measurement, comprising a pressing device, the pressing device comprising a voltage terminal copper chuck assembly and a driving assembly, the voltage terminal copper chuck assembly being fixedly mounted on the top of the driving assembly, the driving assembly comprising a cross bar, a pressing frame and a driving device, a placement groove being provided on the top of the cross bar, through holes being provided near both ends of the placement groove, two pressing frames can be provided, both ends of the two pressing frames are fixedly connected with telescopic assemblies, the telescopic assemblies are fixedly connected to the voltage terminal copper chuck assembly through the through holes of the cross bar, and the driving device is fixedly mounted at the center of the two pressing frames.

[0005] Furthermore, the voltage end copper clamp assembly includes a mounting rod, voltage end electrodes are fixedly mounted at both ends of the mounting rod, temperature sensors are fixedly mounted near both ends and the center of the mounting rod, a mounting hole is provided between every two temperature sensors, and the top of the telescopic assembly is mounted on the bottom of the mounting rod through the mounting hole.

[0006] Furthermore, the telescopic assembly includes a clamping block, an insertion shaft and a guide rod. Two clamping blocks can be provided. A sliding groove is provided on the top of each clamping block and both clamping blocks are fixedly installed at the bottom of the cross bar. The insertion shaft is slidably set in the sliding groove. The insertion shaft is rotatably connected to the bottom of the guide rod. The guide rod passes through the through hole and is fixedly installed in the mounting hole. A compression spring is sleeved on the guide rod. The top end of the compression spring is fixedly connected to the mounting rod, and the bottom end is fixedly connected to the bottom of the placement groove.

[0007] Furthermore, a clamping groove is provided at the bottom of both ends of the pressing frame, and the clamping groove is clamped at both ends of the insertion shaft, and a pressing groove is provided at the center position of the top of the pressing frame.

[0008] Furthermore, the driving device includes a rotating shaft, a driving rod and a mounting block. The mounting blocks can be set to two. Both ends of the rotating shaft are rotatably arranged between the two mounting blocks. A plurality of connecting rods are fixedly arranged on one side of the rotating shaft. The other ends of the connecting rods are fixedly connected to the driving rod. A handle is fixedly connected to one end of the rotating shaft.

[0009] The working principle and use principle of the utility model are as follows: when the device is in use, the handle is rotated to rotate the driving device horizontally upward, and the rotating driving device uses the upward elastic force of the telescopic spring to move the holding frame and the voltage-end copper clamp assembly upward so that the voltage-end copper clamp assembly is placed in contact with the cable conductor to be detected. After the voltage-end copper clamp assembly is in contact with the cable conductor, the temperature sensor and the voltage-end electrode are used to detect the resistance value of the cable conductor. When the detection is completed, the handle is rotated in the opposite direction to rotate the driving device in the opposite direction, and the rotating driving device causes the voltage-end copper clamp assembly to slide downward into the placement groove of the cross bar for storage.

[0010] Compared with the prior art, the beneficial effects of the utility model are: the device utilizes the telescopic assembly to facilitate the extension of the cross bar upward to perfectly fit the cable conductor, effectively improving the device's resistance detection accuracy for the cable conductor, and the driving assembly is convenient for storing the voltage-end copper clamp assembly to avoid damage to the voltage-end copper clamp assembly caused by bumps when not detecting. The device can realize rapid clamping of the cable conductor, has high clamping efficiency, little clamp damage, and a long service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the utility model;

[0012] Figure 2 This is a schematic diagram of the installation rod structure of an embodiment of the utility model;

[0013] Figure 3 This is a schematic diagram of the structure of the driving device of an embodiment of the utility model;

[0014] Figure 4 This is a schematic diagram of the crossbar structure of an embodiment of the utility model;

[0015] Figure 5 This is a schematic diagram of the top structure of the crossbar of an embodiment of the utility model;

[0016] Figure 6 This is a schematic view of the telescopic component structure of an embodiment of the utility model.

[0017] Explanation of the reference numerals: 1. voltage end copper chuck assembly; 11. mounting rod; 12. mounting hole; 13. voltage end electrode; 14. temperature sensor; 2. drive assembly; 21. cross bar; 211. placement slot; 212. through hole; 23. telescopic assembly; 231. clamping block; 232. plug-in shaft; 233. guide rod; 234. compression spring; 235. slide groove; 3. holding frame; 31. card slot; 32. holding slot; 4. drive device; 41. rotating shaft; 42. drive rod; 43. handle; 44. mounting block; 45. connecting rod DETAILED DESCRIPTION

[0018] according to Figure 1 and Figure 5 As shown: a voltage terminal pressing device for conductor resistance measurement, including a pressing device, the pressing device including a voltage terminal copper clamp assembly 1 and a driving assembly 2, the voltage terminal copper clamp assembly 1 is fixedly installed on the top of the driving assembly 2, the driving assembly 2 includes a cross bar 21, a pressing frame 3 and a driving device 4, a placement groove 211 is provided on the top of the cross bar 21, and the placement groove 211 is provided with through holes 212 near both ends, the pressing frame 3 can be set to two, and both ends of the two pressing frames 3 are fixedly connected with a telescopic assembly 23, the telescopic assembly 23 passes through the through hole 212 of the cross bar 21 and is fixedly connected to the voltage terminal copper clamp assembly 1, and the driving device 4 is fixedly installed at the center position of the two pressing frames 3.

[0019] In specific implementation, the voltage-end copper chuck assembly 1 can be used to detect and hold the cable conductor that needs to be detected, and the driving assembly 2 can drive the voltage-end copper chuck assembly 1 to move up and down. The driving assembly 2 is provided with a cross bar 21, a holding frame 3 and a driving device 4. A placement groove 211 is provided on the top of the cross bar 21. When moving upward, it can fit with the cable conductor whose resistance value needs to be detected. When moving downward, the voltage-end copper chuck assembly 1 can be retracted into the placement groove 211 for storage to avoid damage to the device caused by collision when detection is not needed. A telescopic assembly 23 is connected between the driving device 4 and the holding frame 3. The driving device 4 rotates and presses down to move the holding frame 3 downward. The pressed holding frame 3 can control the descent of the voltage-end copper chuck assembly 1. When raising the voltage-end copper chuck assembly 1, it is only necessary to rotate the driving device 4 in the opposite direction and use the upward elastic force of the telescopic assembly 23 to adjust the rising height of the voltage-end copper chuck assembly 1.

[0020] according to Figure 2 As shown: the voltage end copper clamp assembly 1 includes a mounting rod 11, voltage end electrodes 13 are fixedly installed at both ends of the mounting rod 11, temperature sensors 14 are fixedly installed near both ends and the center of the mounting rod 11, a mounting hole 12 is provided between every two temperature sensors 14, and the top of the telescopic assembly 23 is installed at the bottom of the mounting rod 11 through the mounting hole 12; the bottom of both ends of the pressing frame 3 is provided with a card slot 31, the card slot 31 is clamped at both ends of the plug shaft 232, and the center position of the top of the pressing frame 3 is provided with a pressing slot 32.

[0021] In a specific implementation, voltage terminal electrodes 13 are respectively provided at both ends of the mounting rod 11. When the voltage terminal electrode 13 is in contact with the cable conductor, the resistance value of the cable conductor is detected by emitting current. When the temperature sensor 14 is in contact with the cable conductor, the temperature changes at the front, middle and rear ends of the cable conductor can be detected. The mounting hole 12 can be connected to the telescopic component 23. Two pressing frames 3 can be provided. The two pressing frames 3 are arranged in parallel at the bottom of the cross bar 21, and both ends of the two pressing frames 3 are clamped with the telescopic component 23. There are pressing grooves 32 on the pressing frames 3. When the driving device 4 is horizontally placed in the pressing groove 32, the voltage end copper clamp assembly 1 is in contact with the cable conductor. When the driving device 4 is rotated and placed vertically in the pressing groove 32, the voltage end copper clamp assembly 1 is not in contact with the cable conductor.

[0022] according to Figure 3 As shown: the driving device 4 includes a rotating shaft 41, a driving rod 42 and a mounting block 44. The mounting block 44 can be set to two. Both ends of the rotating shaft 41 are rotatably set between the two mounting blocks 44. A plurality of connecting rods 45 are fixedly set on one side of the rotating shaft 41. The other ends of the connecting rods 45 are fixedly connected to the driving rod 42. One end of the rotating shaft 41 is fixedly connected to a handle 43

[0023] In a specific implementation, the rotating shaft 41 and the driving rod 42 are horizontally arranged, and the rotating shaft 41 and the driving rod 42 are fixedly connected by a connecting rod 45. The mounting block 44 can be installed on the base of the clamping device. The front end of the rotating shaft 41 passes through the mounting block 44 and is fixedly connected to the handle 43. When in use, the rotation direction and rotation angle of the rotating shaft 41 are controlled by rotating the handle 43. When the rotating shaft 41 rotates, the driving rod 42 rotates with the rotating shaft 41 as the center. The driving rod 42 rotates downward to drive the two pressing frames 3 to move downward.

[0024] according to Figure 4 and Figure 6 As shown: the telescopic component 23 includes a clamping block 231, an inserting shaft 232 and a guide rod 233. The clamping block 231 can be set to two. A sliding groove 235 is opened on the top of the two clamping blocks 231 and the two clamping blocks 231 are fixedly installed at the bottom of the cross bar 21. The inserting shaft 232 is slidably set in the sliding groove 235. The inserting shaft 232 is rotatably connected to the bottom of the guide rod 233. The guide rod 233 passes through the through hole 212 and is fixedly installed in the mounting hole 12. A compression spring 234 is sleeved on the guide rod 233. The top end of the compression spring 234 is fixedly connected to the mounting rod 11, and the bottom end is fixedly connected to the bottom of the placement groove 211.

[0025] In the specific implementation, the tops of the two clamping blocks 231 are fixedly connected to the bottom of the cross bar 21, the two ends of the plug-in shaft 232 are slidably set in the two slide grooves 235, the two ends of the plug-in shaft 232 are clamped with the card slot 31 of the holding frame 3, the guide rod 233 is slidably set up and down in the through hole 212 of the cross bar 21, and is connected to the bottom of the mounting rod 11 through the guide rod 233, the compression spring 234 is sleeved on the guide rod 233 between the placement groove 211 and the mounting rod 11, and the rise and fall of the mounting rod 11 are controlled by the elastic force of the compression spring 234.

Claims

1. A voltage terminal holding device for measuring conductor resistance, comprising a holding device, characterized in that: The pressing device comprises a voltage-end copper clamp assembly (1) and a driving assembly (2). The voltage-end copper clamp assembly (1) is fixedly mounted on the top of the driving assembly (2). The driving assembly (2) comprises a cross bar (21), a pressing frame (3) and a driving device (4). A placement groove (211) is provided on the top of the cross bar (21). Through holes (212) are provided near both ends of the placement groove (211). Two pressing frames (3) can be provided. Both ends of the two pressing frames (3) are fixedly connected with telescopic assemblies (23). The telescopic assemblies (23) pass through the through holes (212) of the cross bar (21) and are fixedly connected to the voltage-end copper clamp assembly (1). The driving device (4) is fixedly mounted at the center of the two pressing frames (3).

2. The voltage terminal pressing device for measuring conductor resistance according to claim 1, characterized in that: The voltage end copper clamp assembly (1) comprises a mounting rod (11), voltage end electrodes (13) are fixedly mounted at both ends of the mounting rod (11), temperature sensors (14) are fixedly mounted near both ends and at the center of the mounting rod (11), a mounting hole (12) is formed between every two temperature sensors (14), and the top end of the telescopic assembly (23) is mounted on the bottom of the mounting rod (11) through the mounting hole (12).

3. The voltage terminal pressing device for measuring conductor resistance according to claim 2, characterized in that: The telescopic assembly (23) comprises a clamping block (231), an inserting shaft (232) and a guide rod (233). The clamping block (231) can be provided in two pieces. A sliding groove (235) is provided on the top of each of the two clamping blocks (231) and the two clamping blocks (231) are fixedly mounted on the bottom of the cross bar (21). The inserting shaft (232) is slidably arranged in the sliding groove (235). The inserting shaft (232) is rotatably connected to the bottom of the guide rod (233). The guide rod (233) passes through the through hole (212) and is fixedly mounted in the mounting hole (12). A compression spring (234) is sleeved on the guide rod (233). The top end of the compression spring (234) is fixedly connected to the mounting rod (11), and the bottom end is fixedly connected to the bottom of the placement groove (211).

4. The voltage terminal pressing device for measuring conductor resistance according to claim 3, characterized in that: The bottoms of both ends of the pressing frame (3) are provided with clamping grooves (31), the clamping grooves (31) are clamped on both ends of the insertion shaft (232), and the center position of the top of the pressing frame (3) is provided with a pressing groove (32).

5. The voltage terminal pressing device for measuring conductor resistance according to claim 1, 2, 3 or 4, characterized in that: The driving device (4) comprises a rotating shaft (41), a driving rod (42) and a mounting block (44). Two mounting blocks (44) can be provided. Both ends of the rotating shaft (41) are rotatably arranged between the two mounting blocks (44). A plurality of connecting rods (45) are fixedly arranged on one side of the rotating shaft (41). The other ends of the connecting rods (45) are fixedly connected to the driving rod (42). One end of the rotating shaft (41) is fixedly connected to a handle (43).

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