CN217034021U - GIS breaker loop resistance test clip - Google Patents
GIS breaker loop resistance test clip Download PDFInfo
- Publication number
- CN217034021U CN217034021U CN202122801296.5U CN202122801296U CN217034021U CN 217034021 U CN217034021 U CN 217034021U CN 202122801296 U CN202122801296 U CN 202122801296U CN 217034021 U CN217034021 U CN 217034021U
- Authority
- CN
- China
- Prior art keywords
- connecting rod
- clamp
- loop resistance
- resistance test
- threaded end
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model relates to a GIS breaker loop resistance test clamp, which comprises a clamp, wherein the middle part of the clamp is fixed by a hinge block, the left side of the hinge block is provided with a left connecting rod with a threaded end, the outer side of the left connecting rod is hinged with a grounding piece, the right side of the hinge block is fixedly provided with a right connecting rod, the right side of the right connecting rod is provided with a connecting rod with a wire holder, the right side of the clamp is fixedly provided with a handle, the inner side of the handle is provided with a buckle plate, the handle is tightly held, the threaded end is close to a test piece, the threaded end is aligned to a grounding screw hole and rotates, the threaded end is matched with the grounding screw hole, the threaded end slowly enters the grounding screw hole, after reaching a proper position, the handle and the buckle plate are loosened, a spring B is restored to an initial state, the buckle plate is pushed to move leftwards, the buckle plate drives the grounding piece to be close to the threaded end through a guide rod, the buckle plate is clamped to the outer side of the test piece, the contact area is further increased, and the clamp is prevented from falling; the utility model has the characteristics of tight clamping, good contact and improvement on working efficiency.
Description
Technical Field
The utility model belongs to the technical field of power measurement equipment, and particularly relates to a loop resistance test clamp of a GIS circuit breaker.
Background
Good contact of a GIS breaker conductive loop in high-voltage equipment is an important condition for ensuring the safe operation of the GIS breaker, the increase of the resistance of the conductive loop can cause serious heating of a GIS breaker contact, spring annealing, burning loss of insulation parts around the contact and the like, the current method for measuring the loop resistance generally comprises the steps of opening the first ground or the mother ground connecting piece at two sides of the circuit breaker, clamping a test clamp of a tester between the first ground and the mother ground, measuring the loop resistance of the whole section, and measuring the loop resistance of the circuit breaker, the clamp is required to be clamped in the grounding screw hole of the GIS breaker, the fixing clamp used at present is a clamp carried by a loop resistance testing instrument, the clamp is not matched with the field requirement, the contact area of the clamp and the screw hole is small, the clamp cannot be in good contact with the grounding screw hole, and drop easily, need repeatedly press from both sides, lead to the work efficiency of circuit breaker return circuit resistance test low to probably threaten testing personnel safety in operation process.
Disclosure of Invention
The utility model aims to provide a loop resistance test clamp of a GIS breaker, which is used for solving the problem of poor clamping effect of the test clamp.
The purpose of the utility model is realized as follows: a GIS breaker loop resistance test clamp comprises a clamp, wherein a hinged block is arranged in the middle of the clamp, a left connecting rod is arranged on the left side of the hinged block, a threaded end is arranged on the left side of the left connecting rod, a piece is arranged on the outer side of the left connecting rod, a supporting rod is arranged on the lower side of the piece, a top block is arranged on the upper side of the piece, a guide rod is arranged on the outer side of the top block, a right connecting rod is arranged on the right side of the hinged block, a clamp seat is arranged in the middle of the right connecting rod, a spring A is arranged in the clamp seat, a connecting rod is arranged on the right side of the right connecting rod, a wire holder is arranged on the outer side of the connecting rod, a wire is arranged in the wire holder, a through hole is formed in the upper side of the wire holder, a clamping bolt is arranged in the through hole, a handle is arranged on the right side of the clamp, and a sliding groove is formed in the inner side of the handle, the middle part of the sliding groove is provided with a spring B, the left side of the spring B is provided with a buckling plate, and the lower side of the buckling plate is provided with an inserting block.
And a test piece is arranged on the left of the threaded end.
The upper side of the left connecting rod is provided with a fixing pin, and the position of the supporting rod corresponds to the position of the fixing pin.
The spout inboard be provided with the spacing groove, the buckle upside be provided with the stopper.
The through hole and the clamping bolt are connected through threads.
The left end and the right end of the guide rod are respectively hinged with the ejector block and the insert block.
The shape of the butt strap is arched.
The grip is made of epoxy resin.
The utility model has the beneficial effects that: when the device is used, firstly, a wire penetrates through a wire holder, the clamping bolt is rotated to move downwards, the clamping bolt fixes the wire and the wire holder, a pinch plate is pressed rightwards by hands, a pinch plate compression spring B moves rightwards, the pinch plate drives a guide rod to move, further, an engaging piece is driven to rotate around a fixing pin, the engaging piece is far away from a thread end and is in an unfolded state, a handle is held tightly, the thread end is close to a test piece, the thread end is aligned to a grounding screw hole and rotates, the thread end and the grounding screw hole are matched with each other, the thread end can slowly enter the grounding screw hole, after reaching a proper position, the handle and the pinch plate are loosened, the spring B is restored to an initial state, the buckle plate is pushed to move leftwards, the engaging piece is driven by the pinch plate through the guide rod to be close to the thread end, the pinch plate to the outer side of the test piece, the contact area is further increased, and the clamp is prevented from falling.
Drawings
Fig. 1 is a front view of a GIS circuit breaker loop resistance test clip of the present invention.
Fig. 2 is a schematic diagram of the connection state of the threaded end of the loop resistance test clamp of the GIS circuit breaker.
Fig. 3 is a side view of the strap of the GIS breaker loop resistance test clip of the present invention.
Fig. 4 is a connection structure diagram of the wire holder and the wire of the loop resistance test clamp of the GIS breaker.
Fig. 5 is a sectional view of a chute structure of the loop resistance test clamp of the GIS circuit breaker of the present invention.
In the figure: 1. the clamp comprises a clamp 2, a hinge block 3, a left connecting rod 4, a threaded end 5, a fixing pin 6, a butt strap 7, a supporting rod 8, a top block 9, a guide rod 10, a right connecting rod 11, a clamping seat 12, a spring A13, a connecting rod 14, a wire holder 15, a through hole 16, a clamping bolt 17, a lead 18, a handle 19, a sliding groove 20, a spring B21, a limiting groove 22, a buckle plate 23, a limiting block 24, an insert block 25 and a test piece.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
Example 1
As shown in fig. 1, the clamp for testing loop resistance of the GIS circuit breaker comprises a clamp 1, wherein a hinged block 2 is arranged in the middle of the clamp 1, a left connecting rod 3 is arranged on the left side of the hinged block 2, a threaded end 4 is arranged on the left side of the left connecting rod 3, a lug 6 is arranged on the outer side of the left connecting rod 3, a supporting rod 7 is arranged on the lower side of the lug 6, a top block 8 is arranged on the upper side of the lug 6, a guide rod 9 is arranged on the outer side of the top block 8, a right connecting rod 10 is arranged on the right side of the hinged block 2, a clamp seat 11 is arranged in the middle of the right connecting rod 10, a spring a12 is arranged inside the clamp seat 11, a connecting rod 13 is arranged on the right side of the right connecting rod 10, a wire holder 14 is arranged on the outer side of the connecting rod 13, a wire 17 is arranged inside the wire holder 14, a through hole 15 is arranged on the upper side of the wire holder 14, a clamping bolt 16 is arranged inside the through hole 15, clamp 1 right side be provided with handle 18, handle 18 inboard be provided with spout 19, spout 19 middle part be provided with spring B20, spring B20 left side be provided with buckle 22, buckle 22 downside be provided with inserted block 24.
When the clamp is used, the middle part of a clamp 1 is fixed by using a hinge block 2, the left side of the hinge block 2 is provided with a left connecting rod 3 with a threaded end 4, the threaded end 4 is used for being connected with a test piece 25, the outer side of the left connecting rod 3 is hinged with an attachment lug 6, the upper side and the lower side of the attachment lug 6 are respectively provided with a top block 8 and a support rod 7, the right side of the hinge block 2 is fixedly provided with a right connecting rod 10, the middle part of the right connecting rod 10 is provided with a clamping seat 11 with a spring A12, the right side of the right connecting rod 10 is provided with a connecting rod 13 with a wire connecting seat 14, a lead 17 can be placed in the wire connecting seat 14, the lead 17 can be connected with the wire connecting seat 14 through a clamping bolt 16, so that the measurement operation can be conveniently carried out through the lead 17, the right side of the clamp 1 is fixedly provided with a handle 18, the inner side of the handle 18 is provided with a chute 19 with a spring B20, the left side of a spring B20 is provided with a buckle plate 22 with an insertion block 24, the insertion block 24 is connected with the top block 8 through a guide rod 9, the movable buckle plate 22 can drive the contact patch 6 to move through the guide rod 9, so that the contact patch 6 clamps the test piece 25, the contact area is increased, and the measurement precision is improved.
Example 2
As shown in fig. 1-5, the clamp for testing loop resistance of the GIS circuit breaker comprises a clamp 1, wherein a hinged block 2 is arranged in the middle of the clamp 1, a left connecting rod 3 is arranged on the left side of the hinged block 2, a threaded end 4 is arranged on the left side of the left connecting rod 3, a lug 6 is arranged on the outer side of the left connecting rod 3, a supporting rod 7 is arranged on the lower side of the lug 6, a top block 8 is arranged on the upper side of the lug 6, a guide rod 9 is arranged on the outer side of the top block 8, a right connecting rod 10 is arranged on the right side of the hinged block 2, a clamp seat 11 is arranged in the middle of the right connecting rod 10, a spring a12 is arranged in the clamp seat 11, a connecting rod 13 is arranged on the right side of the right connecting rod 10, a wire holder 14 is arranged on the outer side of the connecting rod 13, a wire 17 is arranged in the wire holder 14, and a through hole 15 is arranged on the upper side of the wire holder 14, through-hole 15 inside be provided with clamping bolt 16, clamp 1 right side be provided with handle 18, handle 18 inboard be provided with spout 19, spout 19 middle part be provided with spring B20, spring B20 left side be provided with buckle 22, buckle 22 downside be provided with inserted block 24.
For better effect, a test piece 25 is arranged on the left of the threaded end 4, and a grounding screw hole is arranged inside the test piece 25.
For better effect, the upper side of the left connecting rod 3 is provided with a fixed pin 5, the position of the strut 7 corresponds to the position of the fixed pin 5, and the strut 7 is connected with the fixed pin 5.
For better effect, the inner side of the sliding groove 19 is provided with a limiting groove 21, the upper side of the buckle plate 22 is provided with a limiting block 23, and the limiting block 23 can move in the limiting groove 21.
For better results, the through hole 15 and the clamping bolt 16 are connected by screw threads.
For better effect, the left and right ends of the guide rod 17 are respectively hinged with the top block 8 and the inserting block 24.
For better effect, the tab 6 is arched to facilitate connection with the test piece 25.
For better effect, the grip 18 is made of epoxy resin, and the epoxy resin has an insulating effect.
When the utility model is used, firstly, a lead 17 passes through a wire holder 14, the clamping bolt 16 is rotated to move downwards, the clamping bolt 16 fixes the lead 17 and the wire holder 14, a pinch plate 22 is pressed rightwards by hands, the pinch plate 22 compresses a spring B20 to move rightwards, a limiting block 23 can prevent the pinch plate 22 from separating from a chute 19, the pinch plate 22 drives a guide rod 9 to move, further drives an attachment lug 6 to rotate around a fixed pin 5, at the moment, the attachment lug 6 is far away from a thread end 4 and is in an unfolded state, a handle 18 is held tightly, the thread end 4 is close to a test piece 25, the thread end 4 is aligned to a grounding screw hole and rotates, the thread end 4 is matched with the grounding screw hole, the thread end 4 slowly enters the interior of the test piece 25, after the thread end reaches a proper position, the handle 18 and the pinch plate 22 are loosened, a spring A12 in the pinch plate 11 is extended to enable the thread end 4 to be more tightly attached to the grounding screw hole, a spring B20 is restored to an initial state, the pinch plate 22 is pushed to move leftwards, the pinch plate 22 drives the attachment lug 6 to be close to the thread end 4 through the guide rod 9, the clamp is clamped to the outer side of the test piece 25, the contact area is further increased, the clamp 1 is prevented from falling, the handle 18 is made of insulating materials, electric shock of workers can be prevented, the safety coefficient is further improved, the clamp 1 and the test piece 25 can be separated by the same steps after the test is finished, the clamping bolt 16 is rotated reversely, the lead 17 is taken down, and the clamp is convenient to carry and use next time.
Claims (8)
- GIS circuit breaker loop resistance test clip, it includes clamp, its characterized in that: the clamp is characterized in that a hinged block is arranged in the middle of the clamp, a left connecting rod is arranged on the left side of the hinged block, a threaded end is arranged on the left side of the left connecting rod, a piece is arranged on the outer side of the left connecting rod, a supporting rod is arranged on the lower side of the piece, a top block is arranged on the upper side of the piece, a guide rod is arranged on the outer side of the top block, a right connecting rod is arranged on the right side of the hinged block, a clamping seat is arranged in the middle of the right connecting rod, a spring A is arranged in the clamping seat, a connecting rod is arranged on the right side of the right connecting rod, a wire holder is arranged on the outer side of the connecting rod, a wire is arranged in the wire holder, a through hole is arranged on the upper side of the wire holder, a clamping bolt is arranged in the through hole, a handle is arranged on the right side of the clamp, a sliding groove is arranged on the inner side of the handle, and a spring B is arranged in the middle of the sliding groove, spring B left side be provided with the buckle, the buckle downside be provided with the inserted block.
- 2. The GIS breaker loop resistance test clip of claim 1, wherein: and a test piece is arranged on the left of the threaded end.
- 3. The GIS breaker loop resistance test clip of claim 1, wherein: the upper side of the left connecting rod is provided with a fixing pin, and the position of the supporting rod corresponds to the position of the fixing pin.
- 4. The GIS breaker loop resistance test clip of claim 1, wherein: the spout inboard be provided with the spacing groove, the buckle upside be provided with the stopper.
- 5. The GIS breaker loop resistance test clip of claim 1, wherein: the through hole and the clamping bolt are connected through threads.
- 6. The GIS breaker loop resistance test clip of claim 1, wherein: the left end and the right end of the guide rod are respectively hinged with the ejector block and the insert block.
- 7. The GIS breaker loop resistance test clip of claim 1, wherein: the shape of the butt strap is arched.
- 8. The GIS breaker loop resistance test clip of claim 1, wherein: the grip is made of epoxy resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122801296.5U CN217034021U (en) | 2021-11-16 | 2021-11-16 | GIS breaker loop resistance test clip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122801296.5U CN217034021U (en) | 2021-11-16 | 2021-11-16 | GIS breaker loop resistance test clip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217034021U true CN217034021U (en) | 2022-07-22 |
Family
ID=82438527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122801296.5U Active CN217034021U (en) | 2021-11-16 | 2021-11-16 | GIS breaker loop resistance test clip |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217034021U (en) |
-
2021
- 2021-11-16 CN CN202122801296.5U patent/CN217034021U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105823936B (en) | A kind of extension type current transformer ratio test device | |
| CN217034021U (en) | GIS breaker loop resistance test clip | |
| CN105424986B (en) | A kind of auxiliary device for 10kv vacuum circuit breaker high-potting | |
| CN209858617U (en) | Electronic product test trapping mechanism | |
| CN206451961U (en) | Spring-type grounding wire fixture | |
| CN102593679B (en) | Self-perpetuating wire plugging device for secondary terminal of power equipment | |
| CN210015129U (en) | Clamping device for tester | |
| CN203930039U (en) | The self-priming reason wire clamp of field-checking p-wire | |
| CN201852920U (en) | Loop resistance test pliers head of handcart switch | |
| CN108226579A (en) | A kind of Novel bunk current voltage is mutually than the automatic plug binding clip device of tester | |
| CN205863441U (en) | Earth lead conduction test clamping tool | |
| CN216718610U (en) | Novel leakage circuit breaker tester | |
| CN201281761Y (en) | Automatic short-circuit automatic connection device for novel single-phase multifunctional electric energy meter calibration stand | |
| CN213460115U (en) | Portable electrical test flange wiring clamp | |
| CN112485658B (en) | Handcart circuit breaker testing device | |
| CN216285401U (en) | High-voltage large-current test clamp | |
| US2690544A (en) | Battery tester | |
| CN218298389U (en) | Automatic testing arrangement for power station transformer relay protection equipment | |
| CN210015130U (en) | Short circuit clamp | |
| CN220171168U (en) | Intelligent surge protector production testing device | |
| CN215339260U (en) | Mobile phone data line performance testing device | |
| CN201898096U (en) | Plum-blossom-shaped contact terminal connector accessory of high-voltage circuit breaker for electric test | |
| CN204241630U (en) | A kind of insulating bar batch pressure resistant testing device | |
| CN210982551U (en) | Special wiring pole for large current generator | |
| CN220795446U (en) | Current transformer testing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |