CN216289435U - Crimping die for contact wire electric connecting clamp - Google Patents
Crimping die for contact wire electric connecting clamp Download PDFInfo
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- CN216289435U CN216289435U CN202122876229.XU CN202122876229U CN216289435U CN 216289435 U CN216289435 U CN 216289435U CN 202122876229 U CN202122876229 U CN 202122876229U CN 216289435 U CN216289435 U CN 216289435U
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Abstract
A crimping die for a contact wire electric connecting wire clamp comprises an upper die, a lower die and a positioning device, wherein an upper die cavity and a lower die cavity are correspondingly arranged on opposite surfaces of the upper die and the lower die respectively, the positioning device comprises a first positioning clamping plate and a second positioning clamping plate, the top ends of the first positioning clamping plate and the second positioning clamping plate are hinged together, a first tooth-shaped boss and a first L-shaped guide table are arranged on the inner surface of the first positioning clamping plate, and the first L-shaped guide table is positioned below the first tooth-shaped boss; a second tooth-shaped boss and a second L-shaped guide table are arranged on the inner surface of the second positioning clamp plate, and the second tooth-shaped boss and the second L-shaped guide table are respectively symmetrical with the first tooth-shaped boss and the first L-shaped guide table; the lower ends of the first positioning clamp plate and the second positioning clamp plate are locked through a bolt pair, so that the first L-shaped guide table and the second L-shaped guide table are enclosed to form a limiting groove; one side of the lower die is provided with a limiting plate, the limiting plate is positioned below the lower die cavity, and the limiting plate is inserted in the limiting groove and can slide up and down along the limiting groove. The present invention overcomes the deficiencies of the prior art.
Description
Technical Field
The utility model relates to the technical field of crimping of an electrified railway contact wire and an electric connecting wire, in particular to a crimping die of a contact wire electric connecting wire clamp.
Background
The crimping type contact wire electric connection wire clamp has the characteristics of light weight, simple structure, good electric conductivity, no need of considering the looseness prevention of a fastener and the like, is widely applied to domestic and foreign high-speed electrified railways, and is the only choice in domestic high-speed electrified railways at present. However, the crimping quality of the crimping type electrical connecting wire clamp, a contact wire and an electrical connecting wire is a technical problem which is difficult to control, when a constructor adopts the existing crimping mold for crimping in high-altitude operation, a slight error in operation can cause quality defects of asymmetric crimping, so that rework of a construction site and scrapping of the electrical connecting wire clamp can be caused, the contact wire can be damaged in serious conditions, the contact wire needs to be replaced in the whole anchor section, and great economic loss is caused.
SUMMERY OF THE UTILITY MODEL
The utility model provides a crimping die for a contact wire electric connecting clamp, which overcomes the defects of the prior art.
The technical scheme adopted by the utility model is as follows: a crimping die for a contact wire electric connecting wire clamp comprises an upper die and a lower die, wherein an upper die cavity and a lower die cavity are correspondingly arranged on opposite surfaces of the upper die and the lower die respectively, the crimping die further comprises a positioning device, the positioning device comprises a first positioning clamping plate and a second positioning clamping plate, the top ends of the first positioning clamping plate and the second positioning clamping plate are hinged together, a first tooth-shaped boss and a first L-shaped guide table are arranged on the inner surface of the first positioning clamping plate, and the first L-shaped guide table is positioned below the first tooth-shaped boss; a second tooth-shaped boss and a second L-shaped guide table are arranged on the inner surface of the second positioning clamp plate, and the second tooth-shaped boss and the second L-shaped guide table are respectively symmetrical with the first tooth-shaped boss and the first L-shaped guide table; the lower ends of the first positioning clamping plate and the second positioning clamping plate are locked through a bolt pair, so that the first L-shaped guide table and the second L-shaped guide table are enclosed to form a limiting groove; one side of the lower die is provided with a limiting plate, the limiting plate is positioned below the lower die cavity, and the limiting plate is inserted into the limiting groove and can slide up and down along the limiting groove.
The limiting plate and the lower die are of an integrated structure.
The upper die cavity is a U-shaped groove, and the opening end of the upper die cavity is symmetrically provided with first limiting surfaces; the lower die cavity is a V-shaped groove, and the bottom of the V-shaped groove is in arc transition and the opening end of the V-shaped groove is symmetrically provided with a second limiting surface; the first limiting surface and the second limiting surface are vertical surfaces; the limiting plate and the transverse center line of the V-shaped groove are positioned on the same vertical plane.
Go up the mould perpendicular to the lateral surface, the lower mould perpendicular to of "U" type recess transverse center line the lateral surface of "V" type recess transverse center line is concentric arc surface, be equipped with the constant head tank along vertical direction on the concentric arc surface of last mould, be equipped with the guide way along vertical direction on the concentric arc surface of lower mould, and the direction of going up mould perpendicular to "U" type recess transverse center line is equipped with the cotter hole.
The positioning groove and the guide groove are positioned on the same side and are aligned vertically.
Compared with the prior art, the utility model has the following beneficial effects:
1. the utility model reduces the crimping difficulty by the guiding of the positioning device, ensures that the contact wire and the die cavity are completely symmetrical left and right, realizes the left and right symmetry and uniformity of the electric connecting wire clamp and the contact wire after crimping, and ensures the crimping quality.
2. According to the utility model, the vertical limiting surfaces are arranged at the opening ends of the lower die and the lower die, so that the electric connection wire clamp is positioned in the crimping preparation stage, the electric connection wire clamp is prevented from deviating relative to the die cavity, and the contact wire is prevented from being damaged.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the positioning device of the present invention;
FIG. 3 is a schematic view of the upper die structure of the present invention;
FIG. 4 is a schematic view of a lower die of a first embodiment of the present invention;
FIG. 5 is a schematic view of a lower die of a second embodiment of the present invention;
fig. 6 is a schematic diagram of the structure of the use state of the present invention.
Detailed Description
The present invention will be described in detail with reference to the accompanying fig. 1 to 6 and the detailed description thereof.
A crimping die for a contact wire electric connecting wire clamp comprises an upper die 1 and a lower die 2, wherein an upper die cavity 1-1 and a lower die cavity 2-1 are correspondingly arranged on opposite surfaces of the upper die 1 and the lower die 2 respectively, the crimping die further comprises a positioning device 3, the positioning device 3 comprises a first positioning clamping plate 3-4 and a second positioning clamping plate 3-5, the top ends of the first positioning clamping plate 3-4 are hinged together, a first tooth-shaped boss 3-1 and a first L-shaped guide table 3-4-1 are arranged on the inner surface of the first positioning clamping plate 3-4, and the first L-shaped guide table 3-4-1 is positioned below the first tooth-shaped boss 3-1; a second tooth-shaped boss 3-2 and a second L-shaped guide table 3-5-1 are arranged on the inner surface of the second positioning clamp plate 3-5, and the second tooth-shaped boss 3-2 and the second L-shaped guide table 3-5-1 are respectively symmetrical to the first tooth-shaped boss 3-1 and the first L-shaped guide table 3-4-1; the lower ends of the first positioning clamp plate 3-4 and the second positioning clamp plate 3-5 are locked through a bolt pair, so that the first L-shaped guide table 3-4-1 and the second L-shaped guide table 3-5-1 are enclosed to form a limiting groove 3-3; one side of the lower die 2 is provided with a limiting plate 4, the limiting plate 4 is positioned below the lower die cavity 2-1, and the limiting plate 4 is inserted in the limiting groove 3-3 and can slide up and down along the limiting groove 3-3.
The upper die cavity 1-1 is a U-shaped groove, and the opening end of the upper die cavity is symmetrically provided with first limiting surfaces 1-2; the lower die cavity 2-1 is a V-shaped groove, and the bottom of the V-shaped groove is in arc transition, and the opening end of the V-shaped groove is symmetrically provided with second limiting surfaces 2-2; the first limiting surface 1-2 and the second limiting surface 2-2 are vertical surfaces; the limiting plate 4 and the transverse center line of the V-shaped groove are positioned on the same vertical plane.
Go up mould 1 perpendicular to the lateral surface of "U" type recess transverse center line, lower mould 2 perpendicular to the lateral surface of "V" type recess transverse center line are concentric arc surface, upward be equipped with constant head tank 1-4 along vertical direction on the concentric arc surface of mould 1, be equipped with guide way 2-3 along vertical direction on the concentric arc surface of lower mould 2, and go up the direction of mould 1 perpendicular to "U" type recess transverse center line and be equipped with cotter hole 1-3. The positioning grooves 1-4 and the guide grooves 2-3 are positioned on the same side and aligned up and down.
The limiting plate 4 and the lower die 2 can be of a split structure or an integrated structure. When the split type structure is adopted, the limiting plate 4 and the lower die 2 are fixedly connected through bolts. When the integrated structure is adopted, the limiting plate 4 and the lower die 2 are integrally formed.
The lower ends of the first positioning clamping plate 3-4 and the second positioning clamping plate 3-5 are locked by a bolt pair, and the locking structure is as follows: the lower end of the first positioning clamp plate 3-4 is hinged with a locking bolt 3-6, the lower end of the second positioning clamp plate 3-5 is provided with a locking clamping groove 3-7, the end part of the locking bolt 3-6 is sleeved with a locking nut 3-8, the locking bolt 3-6 is rotationally clamped into the locking clamping groove 3-7 to enable the locking nut 3-8 to be located on the outer surface of the second positioning clamp plate 3-5, and the locking nut 3-8 is rotated to lock and fix the lower ends of the first positioning clamp plate 3-4 and the second positioning clamp plate 3-5.
When in use, the upper die 1 and the lower die 2 are arranged in the crimping tool 6, the guide grooves 2-3 are clamped on the guide keys in the crimping tool 6, the positioning grooves 1-4 are clamped on the positioning keys in the crimping tool 6, and the upper die 1 is fixed on the crimping tool 6 through the pin holes 1-3 by the pins 5; the contact wire 7 is placed in a V-shaped groove of the lower die 2, a first tooth-shaped boss 3-1 and a second tooth-shaped boss 3-2 of the positioning device 3 are respectively clamped in wire grooves on two sides of the contact wire 7, meanwhile, the limiting plate 4 is inserted into the limiting groove 3-3, the lower ends of the first positioning clamp plate 3-4 and the second positioning clamp plate 3-5 are locked and fixed through a locking bolt 3-6 and a locking nut 3-8, and the contact wire 7 is clamped and positioned through the positioning device 3; then placing the open end of an electric connection clamp 10 in a wire slot on two sides of a contact wire 7, installing a copper stranded wire 9 in a wire hole on the upper part of the electric connection clamp 8, placing the electric connection clamp 8 between a U-shaped groove 1-1 of an upper die 1 and a V-shaped groove of a lower die 2, clamping and positioning the electric connection clamp 8 through a first limiting surface 1-2 and a second limiting surface 2-2, preventing the electric connection clamp 8 from deflecting relative to a die, clamping the lower end of the electric connection clamp 8 at the periphery of the electric connection clamp 10, starting a die closing switch of a crimping tool 6, moving the lower die 2 upwards, closing the die with the upper die 1, keeping for 3-5 seconds, pressing a separating switch of the crimping tool 6, dismantling the die and the crimping tool 6, and finishing crimping.
When the crimping device is used for crimping, the limiting plate 4 and the lower die 2 simultaneously move upwards along the structural symmetry center of the contact line 7, so that the structural center of the contact line 7 is always kept at the center of the lower die cavity 2-1, the contact line 7 is prevented from being extruded and damaged by the lower die 2 due to the fact that the contact line 7 deviates from the center, the contact line 7 and the die cavity are completely symmetrical left and right, the electric connecting wire clamp 8 and the contact line 7 are symmetrical and uniform left and right along the center line after crimping, and the crimping quality is guaranteed.
The above-mentioned embodiments are merely preferred embodiments of the present invention, which should not be construed as limiting the scope of the utility model, and therefore all equivalent variations made by the following claims should be included in the scope of the utility model.
Claims (5)
1. The utility model provides a contact line electric connection fastener crimping mould, includes mould (1), lower mould (2), and corresponds respectively on the opposite face of going up mould (1), lower mould (2) and be equipped with die cavity (1-1) and lower die cavity (2-1), its characterized in that: the positioning device (3) comprises a first positioning clamp plate (3-4) and a second positioning clamp plate (3-5) which are hinged together at the top ends, a first tooth-shaped boss (3-1) and a first L-shaped guide table (3-4-1) are arranged on the inner surface of the first positioning clamp plate (3-4), and the first L-shaped guide table (3-4-1) is positioned below the first tooth-shaped boss (3-1); a second tooth-shaped boss (3-2) and a second L-shaped guide table (3-5-1) are arranged on the inner surface of the second positioning clamp plate (3-5), and the second tooth-shaped boss (3-2) and the second L-shaped guide table (3-5-1) are respectively symmetrical to the first tooth-shaped boss (3-1) and the first L-shaped guide table (3-4-1); the lower ends of the first positioning clamp plate (3-4) and the second positioning clamp plate (3-5) are locked through a bolt pair, so that the first L-shaped guide table (3-4-1) and the second L-shaped guide table (3-5-1) are enclosed to form a limiting groove (3-3); one side of the lower die (2) is provided with a limiting plate (4), the limiting plate (4) is located below the lower die cavity (2-1), and the limiting plate (4) is inserted into the limiting groove (3-3) and can slide up and down along the limiting groove (3-3).
2. The crimping die for the contact wire electric connecting clamp according to claim 1, characterized in that: the limiting plate (4) and the lower die (2) are of an integrated structure.
3. A contact wire electrical connection clip crimping die as claimed in claim 1 or 2, wherein: the upper die cavity (1-1) is a U-shaped groove, and the opening end of the upper die cavity is symmetrically provided with first limiting surfaces (1-2); the lower die cavity (2-1) is a V-shaped groove, and the bottom of the V-shaped groove is in arc transition, and the opening end of the V-shaped groove is symmetrically provided with a second limiting surface (2-2); the first limiting surface (1-2) and the second limiting surface (2-2) are vertical surfaces; the limiting plate (4) and the transverse center line of the V-shaped groove are positioned on the same vertical plane.
4. The crimping die for the contact wire electric connecting clamp according to claim 3, wherein: go up mould (1) perpendicular to the lateral surface, the lower mould (2) perpendicular to of "U" type recess transverse center line the lateral surface of "V" type recess transverse center line is concentric arc surface, be equipped with constant head tank (1-4) along vertical direction on the concentric arc surface of last mould (1), be equipped with guide way (2-3) along vertical direction on the concentric arc surface of lower mould (2), and go up mould (1) perpendicular to "U" type recess transverse center line's direction and be equipped with cotter hole (1-3).
5. The crimping die for the contact wire electric connecting clamp according to claim 4, wherein: the positioning grooves (1-4) and the guide grooves (2-3) are positioned on the same side and aligned up and down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122876229.XU CN216289435U (en) | 2021-11-19 | 2021-11-19 | Crimping die for contact wire electric connecting clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122876229.XU CN216289435U (en) | 2021-11-19 | 2021-11-19 | Crimping die for contact wire electric connecting clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216289435U true CN216289435U (en) | 2022-04-12 |
Family
ID=81036609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122876229.XU Active CN216289435U (en) | 2021-11-19 | 2021-11-19 | Crimping die for contact wire electric connecting clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216289435U (en) |
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2021
- 2021-11-19 CN CN202122876229.XU patent/CN216289435U/en active Active
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