CN216285393U - Electric bridge measuring clamp for wire detection - Google Patents
Electric bridge measuring clamp for wire detection Download PDFInfo
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- CN216285393U CN216285393U CN202122452938.5U CN202122452938U CN216285393U CN 216285393 U CN216285393 U CN 216285393U CN 202122452938 U CN202122452938 U CN 202122452938U CN 216285393 U CN216285393 U CN 216285393U
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Abstract
The utility model provides a bridge measuring clamp for wire detection, which comprises a fixed plate, wherein two groups of sliding grooves are formed in the top of the fixed plate, two groups of current clamps and voltage clamps are connected to the two groups of sliding grooves in a sliding manner, the two groups of current clamps and voltage clamps can slide back and forth on the upper surface of the fixed plate, one side of the fixed plate is provided with a measuring assembly, the measuring assembly comprises a pull plate, one side of the pull plate is inserted into one side of the fixed plate in a sliding manner, the walking plates are fixedly arranged on the sides, close to the bottom, of the current clamps and the voltage clamps, and each walking plate is arranged on the surface of a graduated scale in a sliding manner, so that the length of a wire can be accurately measured, the graduated scale is not easy to wear, the service life is prolonged, online testing is realized, the testing time is saved, the production efficiency is improved, and the production cost is saved, the applicability is strong, the convenience of the test is improved, and the precision of the test is also improved.
Description
Technical Field
The utility model relates to the technical field of electric wire detection, in particular to a bridge measuring clamp for electric wire detection.
Background
In an electric power system, the section of a high-voltage and ultrahigh-voltage wire conductor is overlarge, the current-carrying capacity is also very high, the direct-current resistance of the wire conductor needs to be accurately measured before the wire conductor is used, and measuring equipment is an electric bridge. When the bridge measures the conductor, a four-terminal wiring method is adopted, namely two groups of current clamps are clamped at two ends of the conductor, two groups of voltage clamps are clamped on a split conductor between the two groups of current clamps, constant current is applied to the conductor through the current clamps, the voltage value of the conductor within one meter or other lengths is collected through the voltage clamps to calculate the unit resistance of the conductor, and the two groups of voltage clamps can be repeatedly measured within different lengths to verify the unit resistance value of the conductor.
However, the existing bridge measuring clamp has certain defects in the using process, and the existing bridge clamp is generally placed on a supporting seat of the bridge clamp by using a graduated scale when measuring the length, so that the method for measuring the length of the lead is relatively inaccurate, and large errors can be brought to the measurement of the resistance of the lead.
SUMMERY OF THE UTILITY MODEL
In order to remedy the above-mentioned deficiencies, the present invention provides a bridge measuring fixture for electric wire detection that overcomes or at least partially solves the above-mentioned technical problems.
The utility model is realized by the following steps:
the utility model provides an electric bridge measuring clamp for wire detection, which comprises a fixed plate, wherein two groups of sliding grooves are formed in the top of the fixed plate, two groups of current clamps and voltage clamps are connected to the two groups of sliding grooves in a sliding manner, the two groups of current clamps and voltage clamps can slide back and forth on the upper surface of the fixed plate, one side of the fixed plate is provided with a measuring assembly, the measuring assembly comprises a pulling plate, one side of the pulling plate is inserted in one side of the fixed plate in a sliding manner, one side of the pulling plate is fixedly connected with a graduated scale, the graduated scale is inserted in the fixed plate in a sliding manner, one side of one group of current clamps and voltage clamps close to the bottom is fixedly provided with a walking plate, each walking plate is arranged on the surface of the graduated scale in a sliding manner, the length of a wire can be accurately measured, the graduated scale can be accommodated in the fixed plate, and is not easy to wear, the service life is prolonged, the online test is realized, the test time is saved, the production efficiency is improved, the production cost is saved, the applicability is strong, the test convenience is improved, and the test precision is also improved.
In an embodiment of the present invention, each of the current clamps includes a first moving plate, and each of the first moving plates is slidably connected to the top of the sliding groove through a slider.
In an embodiment of the present invention, four corners of a top of each first moving plate are fixedly provided with support columns, top ends of the four groups of support columns are fixedly connected with a first support plate, a top of each first support plate is fixedly provided with two groups of electric push rods, and a piston rod end of each electric push rod penetrates through the first support plate and is fixedly connected with a lifting block.
In an embodiment of the utility model, the bottom of each lifting block is fixedly connected with an upper current arc-shaped clamping seat, the top of each first moving plate is fixedly provided with two groups of fixing blocks, the top of each fixing block is fixedly provided with a lower current arc-shaped clamping seat, an electric push rod is started, the electric push rod drives the lifting block and the upper current arc-shaped clamping seat to move downwards, and the upper current arc-shaped clamping seat and the lower current arc-shaped clamping seat are matched with each other to firmly and tightly press the electric wire to be measured.
In an embodiment of the present invention, each of the voltage clamps includes a second moving plate, and each of the second moving plates is slidably connected to the top of the sliding groove through a slider.
In an embodiment of the utility model, four corners of the top of each second moving plate are fixedly provided with connecting columns, and the top ends of the four groups of connecting columns are fixedly connected with second supporting plates.
In an embodiment of the utility model, two groups of clamping seats are fixedly installed between each second moving plate and the second supporting plate, a clamping groove is formed in each clamping seat, springs are fixedly connected to two sides of the interior of each clamping groove, one end of each spring is fixedly connected with a voltage arc-shaped clamping seat, the voltage arc-shaped clamping seats penetrate through the upper current arc-shaped clamping seat and the lower current arc-shaped clamping seat and enter the clamping grooves of the clamping seats, meanwhile, the springs are squeezed to increase the distance between the two groups of voltage arc-shaped clamping seats, when an electric wire to be measured enters between the two groups of voltage arc-shaped clamping seats, the springs are loosened, and acting force generated by spring resilience enables the two groups of voltage arc-shaped clamping seats to clamp the electric wire to be measured.
In one embodiment of the utility model, two groups of pulling blocks are fixedly arranged on the other side of the pulling plate, handles are fixedly arranged on one sides of the two groups of pulling blocks, and the graduated scale is pulled out from the inside of the fixing plate by holding the handles, so that the test is facilitated.
The utility model has the beneficial effects that:
1. according to the bridge measuring clamp for electric wire detection, which is obtained through the design, the walking plates are fixedly arranged on the current clamp and the voltage clamp close to one side of the bottom, each walking plate is arranged on the surface of the graduated scale in a sliding manner, so that the length of an electric wire can be accurately measured, the graduated scale is not easy to wear, the service life is prolonged, online testing is realized, the testing time is saved, the production efficiency is improved, the production cost is saved, the applicability is strong, the convenience of testing is improved, and the testing precision is also improved;
2. through setting up current anchor clamps and voltage anchor clamps, current anchor clamps and voltage anchor clamps carry out inseparable compaction to the test electric wire in the test, have further improved the durability of loading and unloading speed and product, also are favorable to having improved the detection accuracy.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a perspective view provided by an embodiment of the present invention;
FIG. 2 is a perspective view of a current clamp according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a side view of a voltage clamp according to an embodiment of the present invention;
fig. 4 is a schematic top view of the structure according to the embodiment of the present invention.
In the figure: 101. a fixing plate; 102. a chute; 200. a current clamp; 201. a first moving plate; 202. a support pillar; 203. a first support plate; 204. an electric push rod; 205. a lifting block; 206. an upper current arc-shaped clamping seat; 207. a fixed block; 208. a lower current arc-shaped clamping seat; 300. a voltage clamp; 301. a second moving plate; 302. connecting columns; 303. a second support plate; 304. a clamping seat; 305. a clamping groove; 306. a spring; 307. a voltage arc holder; 400. a measurement assembly; 401. pulling a plate; 402. pulling the block; 403. a handle; 404. a graduated scale; 405. a walking board.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Examples
Referring to fig. 1-4, the present invention provides a technical solution: a bridge measuring clamp for electric wire detection comprises a fixing plate 101, two groups of sliding grooves 102 are formed in the top of the fixing plate 101, two groups of current clamps 200 and voltage clamps 300 are connected to the two groups of sliding grooves 102 in a sliding mode, the two groups of current clamps 200 and voltage clamps 300 can slide back and forth on the upper surface of the fixing plate 101, a measuring assembly 400 is arranged on one side of the fixing plate 101 and comprises a pull plate 401, one side of the pull plate 401 is inserted into one side of the fixing plate 101 in a sliding mode, a graduated scale 404 is fixedly connected to one side of the pull plate 401 and inserted into the fixing plate 101 in a sliding mode, a walking plate 405 is fixedly installed on one side, close to the bottom, of the one group of current clamps 200 and voltage clamps 300, each walking plate 405 is arranged on the surface of the graduated scale 404 in a sliding mode, the length of an electric wire can be accurately measured, the graduated scale 404 can be contained in the fixing plate 101, and abrasion is not prone to occur, the service life is prolonged, the online test is realized, the test time is saved, the production efficiency is improved, the production cost is saved, the applicability is strong, the test convenience is improved, and the test precision is also improved.
Each current clamp 200 comprises a first moving plate 201, each first moving plate 201 is connected to the top of the sliding groove 102 in a sliding mode through a sliding block, supporting columns 202 are fixedly mounted at four corners of the top of each first moving plate 201, four groups of supporting columns 202 are fixedly connected to first supporting plates 203, two groups of electric push rods 204 are fixedly mounted at the top of each first supporting plate 203, and piston rod ends of each electric push rod 204 are all penetrated through the first supporting plates 203 and are fixedly connected with lifting blocks 205.
The bottom of each lifting block 205 is fixedly connected with an upper current arc-shaped clamping seat 206, the top of each first moving plate 201 is fixedly provided with two groups of fixing blocks 207, the top of each fixing block 207 is fixedly provided with a lower current arc-shaped clamping seat 208, an electric push rod 204 is started, the electric push rod 204 drives the lifting block 205 and the upper current arc-shaped clamping seat 206 to move downwards, the upper current arc-shaped clamping seat 206 and the lower current arc-shaped clamping seat 208 are matched with each other, and the electric wire to be measured can be firmly and tightly pressed.
Each voltage clamp 300 comprises a second moving plate 301, each second moving plate 301 is connected to the top of the sliding groove 102 in a sliding mode through a sliding block, connecting columns 302 are fixedly mounted at four corners of the top of each second moving plate 301, and second supporting plates 303 are fixedly connected to the top ends of the four groups of connecting columns 302.
Equal fixed mounting has two sets of holders 304 between every second movable plate 301 and the second backup pad 303, the inside centre gripping groove 305 of all having seted up of every holder 304, the equal fixedly connected with spring 306 in inside both sides of every centre gripping groove 305, the equal fixedly connected with voltage arc holder 307 of one end of every spring 306, wear out the centre gripping groove 305 that gets into holder 304 from last current arc holder 206 and lower current arc holder 208 inside, and simultaneously, extrusion spring 306 makes the distance grow between two sets of voltage arc holders 307, when the electric wire that awaits measuring gets into between two sets of voltage arc holders 307, loosen spring 306 this moment, the effort that spring 306 kick-backs the production makes two sets of voltage arc holders 307 grasp the electric wire that awaits measuring.
Two groups of pulling blocks 402 are fixedly mounted on the other side of the pulling plate 401, handles 403 are fixedly mounted on one sides of the two groups of pulling blocks 402, the handles 403 are held, and the graduated scale 404 is pulled out from the inside of the fixing plate 101, so that the test is facilitated.
Meanwhile, the upper current arc-shaped clamping seat 206, the lower current arc-shaped clamping seat 208 and the two groups of voltage arc-shaped clamping seats 307 are all hydraulic copper clamping blocks, the inner hole of the jaw adopts a mode of two pairs of same-diameter fixed wire diameters, corresponding clamping blocks need to be replaced for different wire diameters, and various clamping block jaws with different specifications can be customized according to the requirements of users.
Specifically, the working process or the working principle of the bridge measuring clamp for wire detection is as follows: when the device is used, one end of an electric wire to be measured sequentially penetrates through the space between the upper current arc-shaped clamping seat 206 and the lower current arc-shaped clamping seat 208, the electric push rod 204 is started, the electric push rod 204 drives the lifting block 205 and the upper current arc-shaped clamping seat 206 to move downwards, and the upper current arc-shaped clamping seat 206 and the lower current arc-shaped clamping seat 208 are matched with each other, so that the electric wire to be measured can be firmly and tightly pressed;
then, one end of the electric wire to be measured penetrates out of the upper current arc-shaped clamp seat 206 and the lower current arc-shaped clamp seat 208 along the axial direction of the fixing plate 101 and enters the clamping groove 305 of the clamping seat 304, meanwhile, the spring 306 is squeezed to enable the distance between the two groups of voltage arc-shaped clamp seats 307 to be increased, when the electric wire to be measured enters between the two groups of voltage arc-shaped clamp seats 307, the spring 306 is loosened at the moment, the acting force generated by the rebounding of the spring 306 enables the two groups of voltage arc-shaped clamp seats 307 to clamp the electric wire to be measured, and the test is started and recorded;
then, the handle 403 is held, the graduated scale 404 is pulled out from the inside of the fixed plate 101, and the walking plate 405 is arranged on the surface of the graduated scale 404 in a sliding manner, so that the length of the electric wire can be measured, the online test is realized, the test time is saved, the production efficiency is improved, the production cost is saved, the applicability is high, the test convenience is improved, and the test precision is also improved.
It should be noted that the specific model specification of the electric push rod 204 needs to be determined by type selection according to the actual specification of the device, and the specific type selection calculation method adopts the prior art in the field, so detailed description is omitted.
The electric push rod 204 is a device or equipment existing in the prior art or a device or equipment realized in the prior art, and power supply, specific composition and principle thereof are clear to those skilled in the art, and thus detailed description thereof is omitted.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes may be made to the present invention by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The bridge measuring clamp for detecting the electric wire comprises a fixing plate (101) and is characterized in that two groups of sliding grooves (102) are formed in the top of the fixing plate (101), two groups of sliding grooves (102) are connected with two groups of current clamps (200) and voltage clamps (300) in a sliding mode, the two groups of current clamps (200) and the two groups of voltage clamps (300) can slide back and forth on the upper surface of the fixing plate (101), a measuring assembly (400) is arranged on one side of the fixing plate (101), the measuring assembly (400) comprises a pulling plate (401), one side of the pulling plate (401) is inserted into one side of the fixing plate (101) in a sliding mode, a graduated scale (404) is fixedly connected to one side of the pulling plate (401), the graduated scale (404) is inserted into the fixing plate (101) in a sliding mode, and a traveling plate (405) is fixedly installed on one side, close to the bottom, of one group of the current clamps (200) and the voltage clamps (300), each walking plate (405) is arranged on the surface of the graduated scale (404) in a sliding mode.
2. The bridge measuring clamp for detecting electric wires according to claim 1, wherein each of the current clamps (200) comprises a first moving plate (201), and each of the first moving plates (201) is slidably connected to the top of the sliding groove (102) through a sliding block.
3. The bridge measurement clamp for wire detection according to claim 2, wherein support columns (202) are fixedly mounted at four corners of the top of each first moving plate (201), four groups of support columns (202) are fixedly connected with first support plates (203), two groups of electric push rods (204) are fixedly mounted at the top of each first support plate (203), and a piston rod end of each electric push rod (204) penetrates through the first support plate (203) and is fixedly connected with a lifting block (205).
4. The bridge measurement clamp for electric wire detection according to claim 3, wherein an upper current arc-shaped clamp seat (206) is fixedly connected to the bottom of each lifting block (205), two groups of fixed blocks (207) are fixedly mounted on the top of each first moving plate (201), and a lower current arc-shaped clamp seat (208) is fixedly mounted on the top of each fixed block (207).
5. The bridge measurement jig for detecting electric wires according to claim 1, wherein each of the voltage clamps (300) comprises a second moving plate (301), and each of the second moving plates (301) is slidably connected to the top of the sliding groove (102) through a slider.
6. The bridge measurement clamp for wire detection according to claim 5, wherein four corners of the top of each second moving plate (301) are fixedly provided with connecting columns (302), and the top ends of the four groups of connecting columns (302) are fixedly connected with second support plates (303).
7. The bridge measurement clamp for electric wire detection according to claim 6, wherein two sets of clamping seats (304) are fixedly installed between each second moving plate (301) and the second support plate (303), a clamping groove (305) is formed in each clamping seat (304), springs (306) are fixedly connected to two sides of the inside of each clamping groove (305), and one end of each spring (306) is fixedly connected to a voltage arc-shaped clamping seat (307).
8. The bridge measuring clamp for detecting the electric wire according to claim 1, wherein two groups of pulling blocks (402) are fixedly installed on the other side of the pulling plate (401), and a handle (403) is fixedly installed on one side of each group of pulling blocks (402).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122452938.5U CN216285393U (en) | 2021-10-12 | 2021-10-12 | Electric bridge measuring clamp for wire detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122452938.5U CN216285393U (en) | 2021-10-12 | 2021-10-12 | Electric bridge measuring clamp for wire detection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216285393U true CN216285393U (en) | 2022-04-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122452938.5U Active CN216285393U (en) | 2021-10-12 | 2021-10-12 | Electric bridge measuring clamp for wire detection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216285393U (en) |
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2021
- 2021-10-12 CN CN202122452938.5U patent/CN216285393U/en active Active
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