CN210350125U - Cable grounding device in box - Google Patents
Cable grounding device in box Download PDFInfo
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- CN210350125U CN210350125U CN201921547215.XU CN201921547215U CN210350125U CN 210350125 U CN210350125 U CN 210350125U CN 201921547215 U CN201921547215 U CN 201921547215U CN 210350125 U CN210350125 U CN 210350125U
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Abstract
The utility model relates to the technical field of cable grounding, and aims to provide an in-box cable grounding device, which comprises a base, a cable fastening device and a conductive device; the conductive device comprises a conductive piece, a lead and a grounding nail; the cable fastening device comprises two bidirectional screw rods which are rotatably connected to the base and arranged in parallel, and an upper clamping part and a lower clamping part, wherein two ends of the upper clamping part and two ends of the lower clamping part are respectively in threaded connection with the two bidirectional screw rods; the upper clamping part and the lower clamping part are respectively in threaded connection with two sections of screw rod threads with different spiral directions on the bidirectional screw rod. The two bidirectional screw rods are rotated to enable the upper clamping part and the lower clamping part to move towards opposite directions respectively, so that the distance between the upper clamping part and the lower clamping part is adjusted, in the process of movement of the upper clamping part and the lower clamping part, the central position of the clamping opening is kept unchanged, the diameter of a cable is not the same, the clamping opening is expanded or reduced to be large, and the conductive piece can be always aligned to the end part of the cable fastened in the clamping opening and is in full and stable contact with the end part of the cable.
Description
Technical Field
The utility model relates to a cable ground connection technical field, in particular to cable earthing device in case.
Background
Along with urban construction accelerates, power cable is by wide application in the electric wire netting construction, and the power cable lays the condition with the parallel laying condition of same trench length distance at most, and the electric capacity effect of cable makes the inside response that appears of cable among the laying process, and powerful induced voltage threatens maintenance and constructor's personal safety, consequently need carry out ground connection to the cable and handle.
At present, chinese patent document No. CN203774511U in the prior art discloses a cable grounding device, which includes a cable end fixing portion for fixing a cable, a grounding pin, and a connecting portion for electrically connecting the grounding pin with the fixed cable; the cable end fixing part is of a hoop structure and comprises a first hoop arc and a second hoop arc, and the first hoop arc and the second hoop arc fasten the end of the cable between the first hoop arc and the second hoop arc through bolts and nuts; the connecting part comprises a bracket fixed on the arc of the first hoop, a conductive connecting block connected to the bracket in a sliding manner towards the direction of the fixed part of the end part of the cable, and an elastic piece which is elastically supported between the bracket and the conductive connecting block and is used for elastically pressing the conductive connecting block on the core part of the cable; the conductive connecting block is electrically connected with the grounding pin.
The conductive connecting block in the above patent document has a conical tip structure toward the end of the cable end fixing portion, and when the conical tip structure is inserted into the center of the cable end, the conductive contact effect between the conical tip structure and the cable end is the best. Because the cables to be fixed have various sizes, the distance between the arc of the first anchor ear and the arc of the second anchor ear is inevitably adjusted adaptively according to the size of the cables, so that a better fastening effect is realized; however, the first hoop arc is fixedly connected to the bracket, and the conductive connecting block slidably connected to the bracket cannot necessarily be kept pointing to the central position between the first hoop arc and the second hoop arc, that is, the central position of the cable end, so that the conductive contact effect between the conductive connecting block and the cable end is affected.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an incasement cable earthing device, its electrically conductive piece can accurately with the central point of cable tip puts department wire contact, has strengthened the electrically conductive contact effect between cable and the electrically conductive piece.
The above technical purpose of the present invention can be achieved by the following technical solutions:
a cable grounding device in a box comprises a base, a cable fastening device and a conductive device, wherein the cable fastening device and the conductive device are arranged on the base; the conductive device comprises a conductive piece, a lead and a grounding nail, wherein the conductive piece is used for being in contact with the end part of the cable; the cable fastening device comprises two bidirectional screw rods which are rotatably connected to the base and arranged in parallel, and an upper clamping part and a lower clamping part, wherein two ends of the upper clamping part and two ends of the lower clamping part are respectively in threaded connection with the two bidirectional screw rods; two sections of screw rod threads with opposite spiral directions are arranged on any two-way screw rod; the upper clamping part and the lower clamping part are respectively in threaded connection with two sections of screw rod threads with different spiral directions on the bidirectional screw rod; a clamping opening for fixing the cable is formed between the upper clamping part and the lower clamping part, and the contact end of the conductive piece is aligned to the center of the clamping opening.
By adopting the technical scheme, the upper clamping part and the lower clamping part respectively move towards opposite directions along the length direction of the two-way screw rods by rotating the two-way screw rods, so that the distance between the upper clamping part and the lower clamping part is adjusted, when the upper clamping part and the lower clamping part are close to each other, the cable in the clamping port is fixed, otherwise, the cable is loosened; and in the process of the movement of the upper clamping part and the lower clamping part, the central position of the clamping opening is kept unchanged, so that the conductive piece can be always aligned with the end part of the cable fastened in the clamping opening and is in full and stable contact with the end part of the cable regardless of the diameter of the cable so as to expand or reduce the clamping opening to a large extent.
The utility model discloses further set up to: and two ends of the upper clamping part are respectively in threaded connection with the two-way screw rods along the same screw rod thread of the two-way screw rods in the length direction.
By adopting the technical scheme, the rotation directions of the two bidirectional screw rods during adjustment are consistent, the misoperation of rotating in wrong directions is avoided, the idle work is caused, and the operation of operators is facilitated.
The utility model discloses further set up to: the upper clamping part comprises two lower guide blocks which are respectively in threaded connection with screw rods at the lower ends of the two-way screw rods at two sides and an upper clamping sheet which is connected between the two lower guide blocks and is arched upwards; the lower clamping part comprises two upper guide blocks which are respectively in threaded connection with the screw rods at the upper ends of the two-way screw rods at two sides, and a lower clamping piece which is connected between the two upper guide blocks and arched downwards, and the lower clamping piece is provided with a abdicating hole for the upper clamping piece to move along the length direction of the two-way screw rods; the staggered area between the upper clamping piece and the lower clamping piece is a clamping opening.
By adopting the technical scheme, the clamping opening is formed by the upper clamping pieces and the lower clamping pieces which are staggered with each other, when the upper guide block and the lower guide block are far away from each other along the length direction of the bidirectional screw rod, the staggered parts of the upper clamping pieces and the lower clamping pieces can be close to the contraction clamping opening, and the fastening effect is realized; and the clamping opening can be contracted until fastening is realized according to the thickness of the cable.
The utility model discloses further set up to: the upper clamping piece and the lower clamping piece are respectively arched in a right angle shape towards opposite directions, so that the clamping opening is square.
By adopting the technical scheme, the square clamping opening can uniformly clamp the cable from four directions, and the fixing effect is good; and the clamping opening can keep the shape unchanged in the contraction and expansion processes, so that the clamping device can be suitable for cables with different thicknesses to be fastened.
The utility model discloses further set up to: the conductive piece comprises an outer sleeve and an inner needle arranged at one end of the outer sleeve facing the cable fastening device, and the diameter of the inner needle is smaller than that of the outer sleeve; the axial leads of the outer sleeve and the inner needle pass through the center of the clamping opening along the direction perpendicular to the plane where the clamping opening is located.
By adopting the technical scheme, the inner needle is used for being in contact connection with a thinner cable; when the cable is connected with a thick cable, the surface of the inner needle is used as a primary contact surface, the inner needle is inserted into a lead at the end part of the cable, the contact area is increased, the conductive effect is enhanced, and the connection stability is enhanced.
The utility model discloses further set up to: the outer sleeve is hollow and cylindrical, and the inner needle is connected in the outer sleeve in a sliding manner along the axial lead; a compression spring is arranged between one end of the inner needle, which is far away from the cable fastening device, and the bottom of the outer sleeve; and a limiting structure for limiting the inner needle to slide outwards is arranged between the inner needle and the outer sleeve.
By adopting the technical scheme, after the inner needle is inserted into the front end of the cable, the inner needle is pushed by the cable to move towards the direction of the outer sleeve, and the cable is contacted with the front end of the outer sleeve, so that the contact area between the cable and the conductive piece is further increased, and the conductive effect is enhanced.
The utility model discloses further set up to: the limiting structure comprises a limiting edge arranged on the outer wall of one end, far away from the cable fastening device, of the inner needle and a limiting groove arranged on the inner wall of the outer sleeve and matched with the limiting edge.
By adopting the technical scheme, the limiting edge slides in the limiting groove, the limiting groove is utilized to limit the range in which the limiting edge can slide, and the inner needle is prevented from sliding out of the front end of the outer sleeve under the action of the compression spring.
The utility model discloses further set up to: the conducting piece also comprises a middle sleeve ring which is connected between the outer sleeve and the inner needle in a sliding way along the same axial lead; and a pressure spring is arranged between one end of the middle lantern ring, which is far away from the cable fastening device, and the bottom of the outer sleeve, and the compression spring is positioned on the inner side of the pressure spring.
Through adopting above-mentioned technical scheme, the surface that utilizes the well lantern ring is as second grade contact surface, is applicable to the diameter and is greater than the interior needle but be less than the cable of outer sleeve, all inserts the cable front end with well lantern ring and interior needle, increases area of contact.
The utility model discloses further set up to: and guide chamfers are arranged at one ends of the outer sleeve, the middle lantern ring and the inner needle facing the cable fastening device, and the angles and directions of the guide chamfers at the end parts of the outer sleeve, the middle lantern ring and the inner needle are the same.
Through adopting above-mentioned technical scheme, utilize the guide chamfer to be convenient for interior needle to insert the cable front end, and interior needle, well sleeve and the guide chamfer on the outer sleeve can link up each other and form a level and smooth taper face in surface, have strengthened the contact effect between cable and the electrically conductive piece.
The utility model discloses further set up to: and an adjusting nut is fixedly connected to the top end of the bidirectional screw rod far away from the base or between the two sections of screw rod threads.
Through adopting above-mentioned technical scheme, make operating personnel can utilize spanner or other instrument to rotate adjusting nut and realize the rotation of two-way lead screw to drive upper clamp portion and lower clamp portion and press from both sides tightly or loosen the cable, convenient operation.
To sum up, the beneficial effects of the utility model are that:
1. the two bidirectional screw rods are rotated to enable the upper clamping part and the lower clamping part to move towards opposite directions along the length direction of the bidirectional screw rods respectively, so that the distance between the upper clamping part and the lower clamping part is adjusted, when the upper clamping part and the lower clamping part are close to each other, a cable in a clamping port is fixed, otherwise, the cable is loosened; in the process of the movement of the upper clamping part and the lower clamping part, the central position of the clamping opening is kept unchanged, so that the conductive piece can be always aligned with the end part of the cable fastened in the clamping opening and is in full and stable contact with the end part of the cable no matter how large the diameter of the cable is, and the clamping opening is expanded or reduced;
2. the upper clamping pieces and the lower clamping pieces which are staggered with each other form a clamping opening, when the upper guide block and the lower guide block are far away from each other along the length direction of the bidirectional screw rod, the staggered parts of the upper clamping pieces and the lower clamping pieces can be close to the contraction clamping opening, and the fastening effect is realized; and the clamping opening can be contracted until fastening is realized according to the thickness of the cable.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is an exploded view of the cable fastening device of the present invention;
fig. 3 is a schematic cross-sectional view of the conductive member of the present invention.
Reference numerals: 1. a base; 2. a cable fastening device; 21. a bidirectional screw rod; 211. screw threads of the screw rod; 212. adjusting the nut; 22. an upper clamping part; 221. a lower guide block; 222. an upper clamping sheet; 23. a lower clamp portion; 231. an upper guide block; 232. a lower clamping sheet; 233. a hole of abdication; 24. a clamping port; 3. a conductive device; 31. a conductive member; 311. an outer sleeve; 312. a middle lantern ring; 313. an inner needle; 314. a compression spring; 315. a pressure spring; 316. a limiting structure; 3161. a limiting edge; 3162. a limiting groove; 317. guiding chamfering; 32. a wire; 33. and a grounding pin.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The embodiment discloses an in-box cable grounding device, which comprises a base 1, wherein a cable fastening device 2 for fixing the end part of a cable and a conductive device 3 for grounding the cable are arranged on the base 1, as shown in fig. 1.
As shown in fig. 1, the cable fastening device 2 includes two bidirectional screws 21 arranged in parallel, and an upper clamp portion 22 and a lower clamp portion 23 having both ends respectively screwed to the two bidirectional screws 21. The two bidirectional screw rods 21 have the same structure, and the surfaces of the two bidirectional screw rods are provided with two screw rod threads 211 with opposite spiral directions along the length direction; the bidirectional screw 21 is perpendicular to the upper end face of the base 1, and the upper end and the lower end of the bidirectional screw 21 are respectively and rotatably connected to the base 1 and a support extending from the base 1. The hexagonal adjusting nuts 212 are welded on the end parts of the upper ends of the two bidirectional screw rods 21, which exceed the bracket, and an operator can rotate the adjusting nuts 212 by using a wrench or other tools to realize the rotation of the bidirectional screw rods 21; the adjusting nut 212 can also be welded at the position between two sections of screw threads 211 on the bidirectional screw 21, so that the force application is more stable.
As shown in fig. 1 and 2, the upper clamping portion 22 includes two lower guide blocks 221 respectively connected to the screw threads 211 at the lower ends of the two-way screws 21 at both sides, and an upper clamping piece 222 connected between the two lower guide blocks 221 and upwardly arched in a right-angle shape; the lower clamping part 23 comprises two upper guide blocks 231 respectively connected with the screw threads 211 at the upper ends of the two-way screw rods 21 at two sides, and a lower clamping sheet 232 which is connected between the two upper guide blocks 231 and arches downwards in a right angle shape, and the lower clamping sheet 232 is provided with a abdicating hole 233 for the upper clamping sheet 222 to pass through and move along the length direction of the two-way screw rods 21; and the staggered area between the upper clamping tab 222 and the lower clamping tab 232 forms a square clamping opening 24.
The two bidirectional screw rods 21 are rotated to enable the upper clamping part 22 and the lower clamping part 23 to respectively move in opposite directions along the length direction of the bidirectional screw rods 21, so that the distance between the upper end and the lower end of the clamping opening 24, namely the size of the clamping opening 24, is adjusted. When the upper guide block 231 and the lower guide block 221 are far away from each other, the intersection of the upper clamping piece 222 and the lower clamping piece 232 is close to each other to shrink the clamping opening 24, so as to fix the cable in the clamping opening 24, and the clamping opening 24 can shrink all the time according to the thickness of the cable until fastening is realized; otherwise, the cable is released. The square clamping opening 24 can uniformly clamp the cable from four directions, and the fixing effect is good; and the clamping opening 24 can keep the shape unchanged in the contraction and expansion processes, so that the clamping device can be suitable for cables with different thicknesses to be fastened.
As shown in fig. 1, the conductive device 3 includes a conductive member 31 for contacting the end of the cable, a conductive wire 32 connected to an end of the conductive member 31 remote from the cable, a ground pin 33 connected to an end of the conductive wire 32; wherein, the contact end of the conductive member 31 is aligned with the center of the clamping opening 24, and the upper clamping portion 22 and the lower clamping portion 23 synchronously move in opposite directions, so that the center of the clamping opening 24 is always kept unchanged, and the conductive member 31 can be aligned with the end of the cable fastened in the clamping opening 24 and make full and stable contact with the end of the cable regardless of the diameter of the cable, so as to achieve the grounding function.
As shown in fig. 1 and fig. 3, the conductive member 31 includes an outer sleeve 311, a middle sleeve 312 and an inner needle 313 arranged along the same axial line from outside to inside, and the axial line is perpendicular to the plane of the holding opening 24. The outer sleeve 311 is a hollow cylinder, and one end thereof connected with the lead wire 32 is closed by a sealing cap; the middle lantern ring 312 is also hollow and cylindrical and is slidably connected in the outer sleeve 311; the inner needle 313 is slidably connected in the middle lantern ring 312; the outer sleeve 311, the middle collar 312 and the inner needle 313 are in clearance fit along the sliding direction, and a limiting structure 316 used for limiting the sliding distance is arranged between the outer sleeve 311 and the middle collar 312 and between the middle collar 312 and the inner needle 313, so that the middle collar 312 and the inner needle 313 are prevented from sliding out towards the opening direction.
As shown in fig. 1 and 3, a compression spring 314 is disposed between one end of inner needle 313 away from cable fastening device 2 and the bottom of outer sleeve 311, a pressure spring 315 is disposed between one end of middle collar 312 away from cable fastening device 2 and the bottom of outer sleeve 311, and compression spring 314 is located inside pressure spring 315. The inner needle 313 and the middle sleeve 312 are pressed towards the direction of the end part of the cable by using the compression spring 314 and the pressure spring 315, so that the surface of the inner needle 313 is used as a primary contact surface to be in contact with a thinner cable, or the inner needle 313 is inserted into a lead 32 at the end part of the cable, the contact area is increased, the conductive effect is enhanced, and the connection stability is enhanced; the surface of the middle lantern ring 312 is used as a secondary contact surface and is suitable for cables with the diameter larger than the inner needle 313 but smaller than the outer sleeve 311, and the middle lantern ring 312 and the inner needle 313 are inserted into the front end of the cable to increase the contact area. When the inner needle 313 or the middle sleeve 312 is inserted into the front end of the cable, the cable is pushed to move towards the outer sleeve 311, and the cable is contacted with the front end of the middle sleeve 312 or the outer sleeve 311, so that the contact area between the cable and the conductive piece 31 is further increased, and the conductive effect is enhanced.
As shown in fig. 1 and 3, the outer sleeve 311, the middle sleeve 312 and the inner needle 313 are provided with guide chamfers 317 at ends facing the cable fastening device 2, and the angles and directions of the guide chamfers 317 at the ends of the three are the same. The guiding chamfer 317 is used to facilitate the insertion of the inner needle 313 into the front end of the cable, and the guiding chamfers 317 on the inner needle 313, the middle sleeve and the outer sleeve 311 can be mutually jointed to form a conical surface with a flat surface, so that the contact effect between the cable and the conductive member 31 is enhanced.
As shown in fig. 1 and 3, the limiting structure 316 includes a limiting edge 3161 integrally formed on the outer wall of the middle sleeve 312 and the end of the inner needle 313 far away from the cable, and a limiting groove 3162 opened on the inner wall of the outer sleeve 311 and the middle sleeve and engaged with the corresponding limiting edge 3161. The limit edge 3161 slides in the limit groove 3162, and the limit groove 3162 is used for limiting the sliding range of the limit edge 3161, so that the inner needle 313 is prevented from sliding out of the front end of the outer sleeve 311 under the action of the compression spring 314.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.
Claims (10)
1. A cable grounding device in a box comprises a base (1), a cable fastening device (2) and a conductive device (3), wherein the cable fastening device (2) and the conductive device are arranged on the base (1); the conductive device (3) comprises a conductive piece (31) used for contacting with the end part of the cable, a lead wire (32) connected to the conductive piece (31), and a grounding pin (33) connected to the end part of the lead wire (32); the method is characterized in that: the cable fastening device (2) comprises two bidirectional screw rods (21) which are rotatably connected to the base (1) and arranged in parallel, and an upper clamping part (22) and a lower clamping part (23) of which two ends are respectively in threaded connection with the two bidirectional screw rods (21); two sections of screw rod threads (211) with opposite spiral directions are arranged on any two-way screw rod (21); the upper clamping part (22) and the lower clamping part (23) are respectively in threaded connection with two sections of screw rod threads (211) with different spiral directions on the bidirectional screw rod (21); a clamping opening (24) for fixing the cable is formed between the upper clamping part (22) and the lower clamping part (23), and the contact end of the conductive piece (31) is aligned to the center of the clamping opening (24).
2. The in-box cable grounding device according to claim 1, wherein: two ends of the upper clamping part (22) are respectively in threaded connection with the same section of screw rod threads (211) of the two-way screw rods (21) along the length direction of the two-way screw rods.
3. The in-box cable grounding device according to claim 2, wherein: the upper clamping part (22) comprises two lower guide blocks (221) which are respectively connected with screw threads (211) at the lower ends of the two-way screw rods (21) at two sides and an upper clamping sheet (222) which is connected between the two lower guide blocks (221) and is arched upwards; the lower clamping part (23) comprises two upper guide blocks (231) which are respectively connected with screw threads (211) at the upper ends of the two-way screw rods (21) at two sides and a lower clamping sheet (232) which is connected between the two upper guide blocks (231) and arched downwards, and the lower clamping sheet (232) is provided with an abdicating hole (233) for the upper clamping sheet (222) to move along the length direction of the two-way screw rods (21); the staggered area between the upper clamping sheet (222) and the lower clamping sheet (232) is a clamping opening (24).
4. The in-box cable grounding device according to claim 1, wherein: the upper clamping piece (222) and the lower clamping piece (232) are arched in a right angle shape towards opposite directions respectively, so that the clamping opening (24) is square.
5. The in-box cable grounding device according to claim 1, wherein: the conductive piece (31) comprises an outer sleeve (311) and an inner needle (313) arranged at one end of the outer sleeve (311) facing the cable fastening device (2), and the diameter of the inner needle (313) is smaller than that of the outer sleeve (311); the axial lines of the outer sleeve (311) and the inner needle (313) pass through the center position of the clamping opening (24) along the direction vertical to the plane of the clamping opening (24).
6. The in-box cable grounding device according to claim 5, wherein: the outer sleeve (311) is hollow and cylindrical, and the inner needle (313) is connected in the outer sleeve (311) in a sliding manner along the axial lead; a compression spring (314) is arranged between one end of the inner needle (313) far away from the cable fastening device (2) and the bottom of the outer sleeve (311); a limiting structure (316) used for limiting the inner needle (313) to slide outwards is arranged between the inner needle (313) and the outer sleeve (311).
7. The in-box cable grounding device according to claim 6, wherein: the limiting structure (316) comprises a limiting edge (3161) arranged on the outer wall of one end, far away from the cable fastening device (2), of the inner needle (313) and a limiting groove (3162) arranged on the inner wall of the outer sleeve (311) and matched with the limiting edge (3161).
8. The in-box cable grounding device according to claim 6, wherein: the conductive piece (31) further comprises a middle lantern ring (312) which is connected between the outer sleeve (311) and the inner needle (313) in a sliding mode along the same axial line; a pressure spring (315) is arranged between one end, away from the cable fastening device (2), of the middle lantern ring (312) and the bottom of the outer sleeve (311), and the compression spring (314) is located on the inner side of the pressure spring (315).
9. The in-box cable grounding device according to claim 8, wherein: and one ends of the outer sleeve (311), the middle sleeve (312) and the inner needle (313) facing the cable fastening device (2) are provided with guide chamfers (317), and the angles and directions of the guide chamfers (317) at the ends of the outer sleeve, the middle sleeve and the inner needle are the same.
10. The in-box cable grounding device according to claim 1, wherein: an adjusting nut (212) is fixedly connected to the top end of the bidirectional screw rod (21) far away from the base (1) or between the two sections of screw rod threads (211).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921547215.XU CN210350125U (en) | 2019-09-17 | 2019-09-17 | Cable grounding device in box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921547215.XU CN210350125U (en) | 2019-09-17 | 2019-09-17 | Cable grounding device in box |
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| Publication Number | Publication Date |
|---|---|
| CN210350125U true CN210350125U (en) | 2020-04-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921547215.XU Active CN210350125U (en) | 2019-09-17 | 2019-09-17 | Cable grounding device in box |
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| Country | Link |
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| CN (1) | CN210350125U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112216999A (en) * | 2020-08-31 | 2021-01-12 | 国网山东省电力公司枣庄供电公司 | Cable cross section sinle silk earthing device |
| CN113617883A (en) * | 2021-08-19 | 2021-11-09 | 马鞍山市申马机械制造有限公司 | Centering straightening machine |
-
2019
- 2019-09-17 CN CN201921547215.XU patent/CN210350125U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112216999A (en) * | 2020-08-31 | 2021-01-12 | 国网山东省电力公司枣庄供电公司 | Cable cross section sinle silk earthing device |
| CN112216999B (en) * | 2020-08-31 | 2021-11-02 | 国网山东省电力公司枣庄供电公司 | Cable cross section sinle silk earthing device |
| CN113617883A (en) * | 2021-08-19 | 2021-11-09 | 马鞍山市申马机械制造有限公司 | Centering straightening machine |
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