CN212571387U - Double-conducting-wire plate type wire clamping device - Google Patents
Double-conducting-wire plate type wire clamping device Download PDFInfo
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- CN212571387U CN212571387U CN202021559448.4U CN202021559448U CN212571387U CN 212571387 U CN212571387 U CN 212571387U CN 202021559448 U CN202021559448 U CN 202021559448U CN 212571387 U CN212571387 U CN 212571387U
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Abstract
The utility model provides a double-conducting-wire-plate type wire clamping device, which consists of two covers, a middle plate, an upper backing plate, a lower backing plate and a plurality of connecting bolts; the utility model has the beneficial technical effects that: the double-conducting-wire-plate type wire clamping device is compact in structure, convenient to install and operate and good in clamping effect.
Description
Technical Field
The utility model relates to an electric power fitting especially relates to a two-wire plate type wire clamping device.
Background
An equipment clamp is a common device for connecting electrical equipment (such as a disconnecting switch, a circuit breaker, a fuse, a transformer and the like) in an electric power system with a wire. With the development of the technology, the equipment wire clamp also needs to be continuously updated, and particularly, the requirement for connecting two wires is provided.
SUMMERY OF THE UTILITY MODEL
To solve the problems in the background art, the company newly develops a double-wire plate type wire clamping device, which has the following structure: the double-conducting-wire-plate type wire clamping device consists of two covers, a middle plate, an upper base plate, a lower base plate and a plurality of connecting bolts;
the middle part of the middle plate is provided with a plurality of through holes which are distributed along the axial direction of the middle plate; the upper end surface and the lower end surface of the middle plate are respectively provided with a supporting groove, the axial direction of the supporting groove is parallel to the axial direction of the middle plate, and the two supporting grooves are respectively positioned at two sides of the through hole; the upper end surface and the lower end surface of the middle plate are respectively provided with a wire clamping groove, the axial direction of the wire clamping groove is parallel to the axial direction of the middle plate, and the supporting groove and the wire clamping groove which are positioned on the same end surface are respectively positioned on two sides of the through hole; the edge of the middle plate is provided with a claw-shaped structure at the position corresponding to the wire clamping groove;
the middle part of the cover is provided with a plurality of strip-shaped holes which correspond to the through holes one by one; a supporting ridge matched with the supporting groove is arranged on the inner end surface of the cover; a wire pressing groove matched with the wire clamping groove is formed in the inner end face of the cover; the edge of the cover is provided with a matching claw matched with the claw-shaped structure at the position corresponding to the wire pressing groove; the outer end face of the cover is a cambered surface;
the outline of the lower end face of the upper backing plate is matched with the outline of the outer end face of the cover, the upper end face of the upper backing plate is a plane, a plurality of first bolt holes are formed in the middle of the upper backing plate, and the first bolt holes correspond to the through holes one to one; the outline of the upper end face of the lower backing plate is matched with the outline of the outer end face of the cover, a groove is formed in the lower end face of the lower backing plate, a plurality of second bolt holes are formed in the bottom of the groove, and the second bolt holes correspond to the through holes one to one;
the two covers are respectively arranged at the upper side and the lower side of the middle plate, a supporting ridge on the cover is contacted with a supporting groove on the middle plate, and a wire pressing groove on the cover is opposite to a wire clamping groove on the middle plate; the lower end face of the upper backing plate is contacted with the outer end face of the upper side cover, and the upper end face of the lower backing plate is contacted with the outer end face of the lower side cover; the plurality of connecting bolts are sleeved in the plurality of through holes in a one-to-one correspondence manner, bolt heads at the lower ends of the connecting bolts are clamped in the grooves, and the upper ends of the connecting bolts are exposed outside the upper base plate; and a locking nut is arranged at the upper end of the connecting bolt, and a disc spring washer is arranged between the locking nut and the upper backing plate.
When the connecting device is used, the cover, the middle plate, the upper cushion plate and the lower cushion plate are connected together in advance through the connecting bolt and the locking nut, the connecting bolt is not locked by the locking nut at the moment, then wires are placed into the wire clamping groove and the wire pressing groove through gaps between the claw-shaped structures and the matching claws, then the position of the cover is adjusted, the supporting ridge is in contact with the supporting groove, the wire clamping groove and the wire pressing groove are tightly held with the wires, then the locking nut is screwed (the bolt head of the connecting bolt is clamped in the groove, so that the connecting bolt cannot rotate), the cover, the middle plate, the upper cushion plate and the lower cushion plate are tightened by the connecting bolt, and therefore installation operation is completed. The utility model discloses an in the structure, two lid position symmetries, the stress balance nature of structure is better, can make two wire atress even, and the centre gripping effect is better, just the utility model discloses compact structure easily installs.
Preferably, the locking nut is a torque nut; the axial middle part of moment nut is provided with fracture portion, and when the moment of torsion of acting on the moment nut reached certain numerical value, the moment nut can break off in fracture portion position department. During installation, an operator can ensure that the applied torque meets the requirement only by twisting off the torque nut, and the operation is simple and convenient.
Preferably, a terminal plate is arranged on the end face of one axial end of the middle plate, and a strip-shaped through hole and a connecting hole are formed in the terminal plate. The terminal plate can be used for connecting a terminal post or connecting with other terminal plates.
The utility model has the beneficial technical effects that: the double-conducting-wire-plate type wire clamping device is compact in structure, convenient to install and operate and good in clamping effect.
Drawings
Fig. 1 is a first structural schematic diagram of the present invention;
FIG. 2 is a second schematic structural view of the present invention;
FIG. 3 is a schematic diagram of a middle plate structure;
FIG. 4, a schematic view of the lid structure;
the names corresponding to each mark in the figure are respectively: the device comprises a cover 1, a strip-shaped hole 1-1, a line pressing groove 1-2, a supporting ridge 1-3, a matching claw 1-4, a middle plate 2, a supporting groove 2-1, a line clamping groove 2-2, a claw-shaped structure 2-3, a terminal plate 2-4, an upper base plate 3, a lower base plate 4, a connecting bolt 5 and a locking nut 6.
Detailed Description
A double-conducting-wire plate type wire clamping device is structurally characterized in that: the double-conducting-wire-plate type wire clamping device consists of two covers 1, a middle plate 2, an upper backing plate 3, a lower backing plate 4 and a plurality of connecting bolts 5;
a plurality of through holes are formed in the middle of the middle plate 2 and are distributed along the middle plate 2 in the axial direction; the upper end surface and the lower end surface of the middle plate 2 are respectively provided with a supporting groove 2-1, the axial direction of the supporting groove 2-1 is parallel to the axial direction of the middle plate 2, and the two supporting grooves 2-1 are respectively positioned at the two sides of the through hole; the upper end face and the lower end face of the middle plate 2 are respectively provided with a wire clamping groove 2-2, the axial direction of the wire clamping groove 2-2 is parallel to the axial direction of the middle plate 2, and a supporting groove 2-1 and a wire clamping groove 2-2 which are positioned on the same end face are respectively positioned on two sides of the through hole; a claw-shaped structure 2-3 is arranged at the position of the edge of the middle plate 2 corresponding to the wire clamping groove 2-2;
the middle part of the cover 1 is provided with a plurality of strip-shaped holes 1-1, and the strip-shaped holes 1-1 correspond to the through holes one by one; the inner end face of the cover 1 is provided with a supporting ridge 1-3 matched with the supporting groove 2-1; a wire pressing groove 1-2 matched with the wire clamping groove 2-2 is formed in the inner end face of the cover 1; the edge of the cover 1 corresponding to the line pressing groove 1-2 is provided with a matching claw 1-4 matched with the claw-shaped structure 2-3; the outer end surface of the cover 1 is a cambered surface;
the outline of the lower end face of the upper backing plate 3 is matched with the outline of the outer end face of the cover 1, the upper end face of the upper backing plate 3 is a plane, a plurality of first bolt holes are formed in the middle of the upper backing plate 3, and the plurality of first bolt holes correspond to the plurality of through holes one to one; the outline of the upper end face of the lower backing plate 4 is matched with the outline of the outer end face of the cover 1, a groove is formed in the lower end face of the lower backing plate 4, a plurality of second bolt holes are formed in the bottom of the groove, and the second bolt holes correspond to the through holes one to one;
the two covers 1 are respectively arranged at the upper side and the lower side of the middle plate 2, a supporting ridge 1-3 on the cover 1 is contacted with a supporting groove 2-1 on the middle plate 2, and a wire pressing groove 1-2 on the cover 1 is opposite to a wire clamping groove 2-2 on the middle plate 2; the lower end surface of the upper backing plate 3 is contacted with the outer end surface of the upper side cover 1, and the upper end surface of the lower backing plate 4 is contacted with the outer end surface of the lower side cover 1; the connecting bolts 5 are sleeved in the through holes in a one-to-one correspondence mode, bolt heads at the lower ends of the connecting bolts 5 are clamped in the grooves, and the upper ends of the connecting bolts 5 are exposed out of the upper backing plate 3; the upper end of the connecting bolt 5 is provided with a locking nut, and a disc spring washer is arranged between the locking nut and the upper backing plate 3. The disc spring washer can effectively overcome stress relaxation caused by expansion with heat and contraction with cold of the conducting wire in operation, dynamically compensate the reduction of an initial moment value, and maintain stable connection pressure and contact resistance.
Further, the locking nut is a torque nut; the middle part of the axial direction of the torque nut is provided with a fracture part, and when the torque acting on the torque nut reaches a set value, the torque nut can fracture at the position of the fracture part.
Furthermore, a terminal board 2-4 is arranged on the end face of one axial end of the middle board 2, and a strip-shaped through hole and a connecting hole are arranged on the terminal board 2-4.
During specific implementation, sawteeth can be arranged in the wire pressing groove 1-2 and the wire clamping groove 2-2, and after the wire is clamped, the sawteeth can puncture an oxide layer on the surface of the wire, so that the wire is conductive.
Claims (3)
1. The utility model provides a two board-like trapping mechanism of wire which characterized in that: the double-conducting-wire-plate type wire clamping device consists of two covers (1), a middle plate (2), an upper backing plate (3), a lower backing plate (4) and a plurality of connecting bolts (5);
the middle part of the middle plate (2) is provided with a plurality of through holes which are distributed along the axial direction of the middle plate (2); the upper end surface and the lower end surface of the middle plate (2) are respectively provided with a supporting groove (2-1), the axial direction of the supporting groove (2-1) is parallel to the axial direction of the middle plate (2), and the two supporting grooves (2-1) are respectively positioned at the two sides of the through hole; the upper end surface and the lower end surface of the middle plate (2) are respectively provided with a wire clamping groove (2-2), the axial direction of the wire clamping groove (2-2) is parallel to the axial direction of the middle plate (2), and the supporting groove (2-1) and the wire clamping groove (2-2) which are positioned on the same end surface are respectively positioned on two sides of the through hole; a claw-shaped structure (2-3) is arranged at the position of the edge of the middle plate (2) corresponding to the wire clamping groove (2-2);
the middle part of the cover (1) is provided with a plurality of strip-shaped holes (1-1), and the strip-shaped holes (1-1) correspond to the through holes one by one; a supporting ridge (1-3) matched with the supporting groove (2-1) is arranged on the inner end surface of the cover (1); a wire pressing groove (1-2) matched with the wire clamping groove (2-2) is formed in the inner end face of the cover (1); the edge of the cover (1) is provided with a matching claw (1-4) matched with the claw-shaped structure (2-3) at the position corresponding to the wire pressing groove (1-2); the outer end surface of the cover (1) is a cambered surface;
the outline of the lower end face of the upper backing plate (3) is matched with the outline of the outer end face of the cover (1), the upper end face of the upper backing plate (3) is a plane, a plurality of first bolt holes are formed in the middle of the upper backing plate (3), and the first bolt holes correspond to the through holes one to one; the outline of the upper end face of the lower backing plate (4) is matched with the outline of the outer end face of the cover (1), a groove is formed in the lower end face of the lower backing plate (4), a plurality of second bolt holes are formed in the bottom of the groove, and the second bolt holes correspond to the through holes one to one;
the two covers (1) are respectively arranged at the upper side and the lower side of the middle plate (2), a supporting ridge (1-3) on each cover (1) is contacted with a supporting groove (2-1) on the middle plate (2), and a wire pressing groove (1-2) on each cover (1) is opposite to a wire clamping groove (2-2) on the middle plate (2); the lower end face of the upper backing plate (3) is contacted with the outer end face of the upper side cover (1), and the upper end face of the lower backing plate (4) is contacted with the outer end face of the lower side cover (1); the connecting bolts (5) are sleeved in the through holes in a one-to-one correspondence manner, bolt heads at the lower ends of the connecting bolts (5) are clamped in the grooves, and the upper ends of the connecting bolts (5) are exposed out of the upper backing plate (3); the upper end of the connecting bolt (5) is provided with a locking nut, and a disc spring washer is arranged between the locking nut and the upper backing plate (3).
2. The twin conductor plate type wire clamping device according to claim 1, wherein: the locking nut is a torque nut; the middle part of the axial direction of the torque nut is provided with a fracture part, and when the torque acting on the torque nut reaches a set value, the torque nut can fracture at the position of the fracture part.
3. The double-conductor plate type wire clamping device according to claim 1 or 2, wherein: the end face of one axial end of the middle plate (2) is provided with a terminal plate (2-4), and the terminal plate (2-4) is provided with a strip-shaped through hole and a connecting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021559448.4U CN212571387U (en) | 2020-07-31 | 2020-07-31 | Double-conducting-wire plate type wire clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021559448.4U CN212571387U (en) | 2020-07-31 | 2020-07-31 | Double-conducting-wire plate type wire clamping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212571387U true CN212571387U (en) | 2021-02-19 |
Family
ID=74631238
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021559448.4U Active CN212571387U (en) | 2020-07-31 | 2020-07-31 | Double-conducting-wire plate type wire clamping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212571387U (en) |
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2020
- 2020-07-31 CN CN202021559448.4U patent/CN212571387U/en active Active
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