Coil resistance measuring jig

Abstract

The utility model discloses a coil resistance measuring jig which comprises a measuring table, a support fixedly connected to the rear end of the top of the measuring table, a fixed plate fixedly connected to the front end of the support, a movable plate arranged below the fixed plate, a probe mounting plate fixedly mounted at the bottom of the movable plate, and a plurality of probes arranged on the probe mounting plate. A rapid clamp assembly used for adjusting the height of the probe mounting plate is installed on the support, a mounting plate is arranged at the top of the measuring table and located in front of the support, two discharging plates are installed at the bottom of the mounting plate, a plurality of coil testing positions are arranged at the tops of the discharging plates, and the probes correspond to the coil testing positions. The beneficial effects of the utility model are that through the arrangement of the rapid clamp assembly, the probe can move in a fixed distance, the resistance value of the coil can be tested, the resistance value difference caused by the difference of the measurement point positions of the subjective judgment electrode can be reduced, and the accuracy of the measurement of the resistance value of the coil can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of coil resistance measurement, specifically to a coil resistance measurement fixture. BACKGROUND

[0002] The coil resistance measurement fixture is a special tool or equipment combination for measuring coil resistance, and with the increasing demand for inductance resistance value specifications, the influence on low resistance value positive and negative specifications is particularly obvious, so a more accurate measurement fixture is needed to measure the coil resistance value, and the measurement error caused by subjective determination is reduced, and the resistance value measurement adopts a fixed distance measurement method.

[0003] In the prior art, the coil resistance measurement fixture mostly only has a material placing plate for placing a coil resistance when in use, and after the coil test on the material placing plate is completed, the material is taken out and reloaded, during which the material taking and placing time, the measurement fixture is in a non-working state, which greatly reduces the test efficiency. UTILITY MODEL CONTENTS

[0004] In view of the deficiencies of the prior art, the utility model provides a coil resistance measurement fixture, which can move the probe at a fixed distance through the quick clamp assembly, test the coil resistance value, reduce the resistance value difference caused by subjective determination of electrode measurement point position difference, improve the accuracy of measuring the coil resistance value, and can cyclically adjust and switch the positions of the two material placing plates through the position cycle assembly, greatly improving the test efficiency.

[0005] The utility model provides the following technical scheme, a kind of coil resistance measurement fixture, comprising: measuring table, the top rear end of measuring table is fixedly connected with support, the front end of support is fixedly connected with fixed plate, and the lower portion of fixed plate is provided with moving plate, and the probe mounting plate is fixedly installed in the bottom of moving plate, and a plurality of probes are provided on probe mounting plate, and the quick clamp assembly for adjusting the height of probe mounting plate is installed on support, and the mounting plate is provided in the top of measuring table and located in the front of support, and two material placing plates are installed in the bottom of mounting plate, and a plurality of coil test sites are provided in the top of material placing plate, and probe corresponds with coil test site, and position cycle assembly is installed between mounting plate and measuring table, and position cycle assembly is used to cyclically adjust the relative position of two material placing plates and probe mounting plate, and the positioning assembly for locking the position of mounting plate is also installed on measuring table.

[0006] As the preferred scheme of the utility model, the quick clamp assembly includes a connecting seat fixedly connected to the support, a sliding sleeve fixedly connected to the bottom end of the connecting seat, a moving rod slidingly connected in the sliding sleeve, an avoiding slot provided in the fixed plate for the sliding sleeve to pass through, the moving rod is fixedly connected to the moving plate at the bottom, a rotating rod is rotatably connected to the top end of the connecting seat, and a pair of connecting pieces are hingedly connected between the rotating rod and the top end of the moving rod.

[0007] As the preferred scheme of the utility model, the fixed plate is fixedly connected with a pair of linear bearings, linear guide shafts are slidably connected in the linear bearings, and the bottom of the linear guide shafts is fixedly connected to the moving plate.

[0008] As the preferred scheme of the utility model, the position cycle assembly comprises a mounting frame fixedly connected to the measuring table, the mounting frame extends to the outside of the measuring table at both ends, a pair of guide sliding rods are fixedly connected in the mounting frame, and guide sleeves slidably sleeved with the guide sliding rods are fixedly connected to the bottom of the mounting plate.

[0009] As the preferred scheme of the utility model, the positioning assembly comprises a U-shaped seat fixedly connected to the top of the measuring table, a moving plug rod is slidably connected to the U-shaped seat, the moving plug rod extends to the outside of the U-shaped seat at both ends, a limiting block is fixedly sleeved with the part of the moving plug rod arranged in the U-shaped seat, a return spring is arranged between the side, away from the mounting plate, of the limiting block and the inner wall of the U-shaped seat, the return spring is sleeved with the outside of the moving plug rod, and a pull ring is fixedly connected to the end, away from the mounting plate, of the moving plug rod.

[0010] As the preferred scheme of the utility model, the mounting plate is provided with positioning holes for the insertion of the moving plug rod, the positioning holes are two, and the two positioning holes correspond to the positions of the two discharging plates.

[0011] As the preferred scheme of the utility model, a reinforcing rib is fixedly connected between the back of the support and the top of the measuring table.

[0012] The utility model discloses the beneficial effect is:

[0013] 1, the utility model discloses a quick clamp assembly can move the probe at fixed distance, test coil resistance value, reduce the subjective determination electrode measurement point position difference caused by resistance value difference, improve the accuracy of measurement coil resistance value;

[0014] 2, the utility model discloses that two discharging plates are installed on the mounting plate, and the position cycle assembly can move the mounting plate transversely, and the position of the two discharging plates is switched, when the coil on one discharging plate is tested, the other discharging plate is placed outside the measuring table, and the material can be taken and placed, which greatly improves the test efficiency. DRAWINGS

[0015] Figure 1 It is whole structure schematic diagram for coil resistance measuring fixture;

[0016] Figure 2 It is structure schematic diagram for positioning assembly;

[0017] In the figure: 1, measuring table; 2, support; 3, fixed plate; 4, moving plate; 5, probe mounting plate; 6, probe; 7, quick clamp assembly; 701, connecting seat; 702, sliding sleeve; 703, moving rod; 704, connecting piece; 705, toggle lever; 8, linear bearing; 9, linear guide shaft; 10, mounting plate; 11, discharge plate; 12, coil test site; 13, position cycle assembly; 1301, mounting bracket; 1302, guide slide rod; 1303, guide sliding sleeve; 14, positioning assembly; 1401, U-shaped seat; 1402, moving plug rod; 1403, limit block; 1404, return spring; 1405, pull ring. DETAILED DESCRIPTION

[0018] In order to make the technical problems solved by the utility model, the technical scheme adopted and the technical effects reached more clear, the technical scheme of the embodiments of the utility model will be further described in detail below with reference to the drawings. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0019] Embodiment:

[0020] As shown in Figure 1 and Figure 2 , a coil resistance measuring jig, comprising: a measuring table 1, the top rear end of the measuring table 1 is fixedly connected with a support 2, the front end of the support 2 is fixedly connected with a fixed plate 3, a moving plate 4 is arranged below the fixed plate 3, a probe mounting plate 5 is fixedly installed at the bottom of the moving plate 4, a plurality of probes 6 are arranged on the probe mounting plate 5, a quick clamp assembly 7 for adjusting the height of the probe mounting plate 5 is installed on the support 2, an installation plate 10 is arranged on the top of the measuring table 1 in front of the support 2, two discharge plates 11 are installed at the bottom of the installation plate 10, a plurality of coil test sites 12 are arranged on the top of the discharge plates 11, the probes 6 correspond to the coil test sites 12, a position cycle assembly 13 is installed between the installation plate 10 and the measuring table 1, the position cycle assembly 13 is used for cyclically adjusting the relative position of the two discharge plates 11 and the probe mounting plate 5, the installation plate 10 can be moved horizontally through the position cycle assembly 13, the position of the two discharge plates 11 is cyclically adjusted and switched, when the coil on one discharge plate 11 is tested, the other discharge plate 11 is placed outside the measuring table 1, and the discharge and feeding can be carried out, so that the test efficiency is greatly improved.

[0021] In the embodiment, as shown in Figure 1As shown, the fast clamp assembly 7 comprises a connecting seat 701 fixedly connected to the support 2, the bottom end of the connecting seat 701 is fixedly connected with a sliding sleeve 702, the sliding sleeve 702 is slidingly connected with a moving rod 703, the fixed plate 3 is provided with an avoiding slot for the sliding sleeve 702 to pass through, the bottom of the moving rod 703 is fixedly connected to the moving plate 4, the top end of the connecting seat 701 is rotatably connected with a push rod 705, a pair of connecting pieces 704 are hingedly connected between the push rod 705 and the top end of the moving rod 703, by rotating the push rod 705, the push rod 705 drives the moving rod 703 to move linearly in the sliding sleeve 702 through the connecting pieces 704, the moving plate 4 and the probe mounting plate 5 are adjusted in height by the moving rod 703, so that the probe 6 is butted with the coil in the coil test position 12 on the discharging plate 11, then resistance test is carried out, the probe 6 can be moved at a fixed distance by the fast clamp assembly 7, the coil resistance value is tested, the resistance value difference caused by subjective determination of electrode measurement point position difference is reduced, and the accuracy of measuring the coil resistance value is improved.

[0022] In the embodiment, as shown in the figure, Figure 1 The fixed plate 3 is fixedly connected with a pair of linear bearings 8, the linear bearings 8 are slidingly connected with linear guide shafts 9, the bottom of the linear guide shaft 9 is fixedly connected to the moving plate 4, the length of the linear guide shaft 9 beyond the fixed plate 3 is greater than the moving distance of the probe mounting plate 5, in the process of moving the moving plate 4 and the probe mounting plate 5 up and down, the linear guide shaft 9 slides in the linear bearing 8, which limits and guides the moving plate 4 and the probe mounting plate 5, and improves the stability of the moving plate 4 and the probe mounting plate 5.

[0023] In the embodiment, the measuring table 1 is fixedly connected with a test terminal, the test terminal is connected with a resistance tester through a plug, and is used for testing the coil resistance value.

[0024] In the embodiment, as shown in the figure, Figure 1 The position cycle assembly 13 comprises a mounting frame 1301 fixedly connected to the measuring table 1, the bottom of the measuring table 1 is provided with a groove for mounting the mounting frame 1301, the mounting frame 1301 extends to the outside of the measuring table 1 at both ends, the mounting frame 1301 is fixedly connected with a pair of guide sliding rods 1302, the bottom of the mounting plate 10 is fixedly connected with guide sliding sleeves 1303 slidingly sleeved with the guide sliding rods 1302, the mounting plate 10 slides on the guide sliding rods 1302 through the guide sliding sleeves 1303, which is used for adjusting the position of the mounting plate 10 on the guide sliding rods 1302, and switching the positions of the two discharging plates 11, so that one discharging plate 11 is placed in the test position, and the other discharging plate 11 is always placed in the test position outside the measuring table 1, so that the coils on one discharging plate 11 can be tested while the other discharging plate 11 is taken and discharged, which greatly improves the test efficiency.

[0025] In the embodiment, as shown in Figure 2 The positioning assembly 14 is further installed on the measuring table 1 and used for locking the position of the mounting plate 10. The positioning assembly 14 comprises a U-shaped seat 1401 fixedly connected to the top of the measuring table 1, a moving plug rod 1402 slidingly connected to the U-shaped seat 1401, the moving plug rod 1402 extending to the outside of the U-shaped seat 1401 at both ends, a limiting block 1403 fixedly sleeved to the part of the moving plug rod 1402 inside the U-shaped seat 1401, a reset spring 1404 arranged between the limiting block 1403 away from the mounting plate 10 and the inner wall of the U-shaped seat 1401, the reset spring 1404 sleeved to the outside of the moving plug rod 1402, a pull ring 1405 fixedly connected to the end of the moving plug rod 1402 away from the mounting plate 10, and two positioning holes provided on the mounting plate 10 and used for inserting the moving plug rod 1402, the two positioning holes corresponding to the positions of the two material discharging plates 11. When the position of the mounting plate 10 is locked, the moving plug rod 1402 is pushed to move to the direction of the mounting plate 10 by the reset spring 1404, so that the moving plug rod 1402 is inserted into the positioning hole, thereby locking the position of the mounting plate 10 and avoiding the position deviation of the material discharging plate 11, which causes the contact misalignment between the probe 6 and the coil and affects the test accuracy. When the material discharging plate 11 is switched, the pull ring 1405 is pulled away from the mounting plate 10, the pull ring 1405 drives the moving plug rod 1402 to move and disengage from the positioning hole, thereby releasing the locking effect on the mounting plate 10, so that the mounting plate 10 can slide on the guide sliding rod 1302 through the guide sliding sleeve 1303 to adjust the position, thereby switching the two material discharging plates 11.

[0026] In the embodiment, the handle is fixedly connected to the middle position of the front end of the mounting plate 10, which facilitates the pushing of the mounting plate 10 on the guide sliding rod 1302 through the handle. Of course, in other embodiments, the electric sliding rail, motor lead screw module or other mechanisms can be used to adjust the position of the mounting plate 10. The reinforcing rib is fixedly connected between the back of the support 2 and the top of the measuring table 1, thereby improving the structural strength of the support 2.

[0027] The implementation mode is as follows: when in use, the coil is placed in the coil test site 12 of the material placing plate 11 under the probe mounting plate 5, the movable inserting rod 1402 is pushed to move to the mounting plate 10 direction by the action of the reset spring 1404, the movable inserting rod 1402 is inserted into the positioning hole, the mounting plate 10 position is locked, the material placing plate 11 position is locked, the height adjustment of the movable plate 4 and the probe mounting plate 5 is realized by rotating the push rod 705, the movable rod 703 is driven to move linearly in the sliding sleeve 702 by the connecting sheet 704, the movable plate 4 and the probe mounting plate 5 are driven to adjust the height by the movable rod 703, the probe 6 is connected with the coil in the coil test site 12 of the material placing plate 11, then the resistance test is carried out, the probe 6 can be moved at a fixed distance by the quick clamp assembly 7, the test terminal is connected with the resistance tester by the plug, the coil resistance value is tested, the subjective resistance value difference caused by the electrode measurement point difference is reduced, the accuracy of the coil resistance value measurement is improved, when the coil on the material placing plate 11 is tested, the other material placing plate 11 is placed outside the measuring table 1, at this time, the coil on the material placing plate 11 can be placed and taken, after the test is completed, the pull ring 1405 is pulled away from the mounting plate 10, the movable inserting rod 1402 is driven to move and is separated from the positioning hole, the locking effect on the mounting plate 10 is released, the mounting plate 10 can slide on the guide sliding rod 1302 through the guide sliding sleeve 1303, the position is adjusted, the positions of the two material placing plates 11 are moved and replaced, the coil on the other material placing plate 11 is tested by using the above-mentioned mode, the test efficiency is greatly improved by the switching use of the two material placing plates 11.

[0028] Although the preferred embodiments of the present application have been described, those skilled in the art who understand the basic inventive concept can make further changes and modifications to the embodiments. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments and all changes and modifications falling within the scope of the present application.

[0029] Obviously, those skilled in the art can make various modifications and variations to the present application without departing from the spirit and scope of the present application. Thus, if these modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application also intends to include these modifications and variations.

Claims

1. A coil resistance measurement fixture, comprising: The utility model relates to a kind of measurement platform and its position cycle component and positioning component, including: Measuring table, fixedly connected with support at the top rear end of measuring table, the front end of support is fixedly connected with fixed plate, mobile plate is arranged below fixed plate, probe mounting plate is fixedly installed at the bottom of mobile plate, a plurality of probes are arranged on probe mounting plate, quick clamp assembly for adjusting the height of probe mounting plate is installed on support, mounting plate is arranged at the top of measuring table and located in front of support, two material discharging plates are installed at the bottom of mounting plate, a plurality of coil test sites are arranged on the top of material discharging plate, probe corresponds with coil test site, position cycle component is installed between mounting plate and measuring table, and position cycle component is used to cyclically adjust the relative position of two material discharging plates and probe mounting plate, measuring table is also installed with the positioning component for locking the position of mounting plate.

2. The coil resistance measurement fixture of claim 1, wherein, Quick clamp assembly includes connecting seat fixedly connected to support, the bottom end of connecting seat is fixedly connected with sliding sleeve, mobile rod is slidably connected in sliding sleeve, avoiding slot is opened in fixed plate for sliding sleeve, mobile rod bottom is fixedly connected to mobile plate, the top end of connecting seat is rotatably connected with knob lever, a pair of connecting pieces are hingedly connected between knob lever and the top end of mobile rod.

3. The coil resistance measurement fixture of claim 2, wherein, Fixed plate is fixedly connected with a pair of linear bearings, linear guide shaft is slidably connected in linear bearing, and linear guide shaft bottom is fixedly connected to mobile plate.

4. The coil resistance measurement fixture of claim 1, wherein, Position cycle component includes mounting frame fixedly connected to measuring table, and mounting frame extends to the outside of measuring table at both ends, a pair of guide sliding rods are fixedly connected in mounting frame, and guide sliding sleeve, slidably sleeved with guide sliding rod, is fixedly connected to the bottom of mounting plate.

5. The coil resistance measurement fixture of claim 4, wherein, Positioning component includes U-shaped seat fixedly connected to the top of measuring table, mobile plug rod is slidably connected in U-shaped seat, and mobile plug rod extends to the outside of U-shaped seat at both ends, limit block is fixedly sleeved on the part of mobile plug rod in U-shaped seat, reset spring is arranged between the inner wall of U-shaped seat and the side of limit block away from mounting plate, reset spring is sleeved on the outside of mobile plug rod, and pull ring is fixedly connected to the end of mobile plug rod away from mounting plate.

6. The coil resistance measurement fixture of claim 5, wherein, Mounting plate is opened with the positioning hole for the insertion of mobile plug rod, and positioning hole is provided with two, two positioning holes are respectively corresponding with the position of two material discharging plates.

7. The coil resistance measurement fixture of claim 1, wherein, Reinforcing rib is fixedly connected between the back of support and the top of measuring table.

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