CN213521203U

CN213521203U - Fastening parallel groove clamp

Info

Publication number: CN213521203U
Application number: CN202022201198.3U
Authority: CN
Inventors: 刘东霞; 张磊; 傅超
Original assignee: Shuangan High Power Railway Electrification Equipment Manufacturing Co ltd
Current assignee: Shuangan High Power Railway Electrification Equipment Manufacturing Co ltd
Priority date: 2020-09-30
Filing date: 2020-09-30
Publication date: 2021-06-22
Anticipated expiration: 2030-09-30

Abstract

The utility model relates to an electric power fitting technical field especially relates to a fastening parallel groove clamp. Comprises a base, an upper pressure plate, a contact plate, a pressing block and a fixing plate; a first threaded hole is formed in the center below the base, sliding grooves are symmetrically formed in the base on two sides of the first threaded hole, a plurality of first fixing lines are uniformly formed in the base, and second threaded holes are symmetrically formed in the upper portion of the base; third threaded holes are symmetrically formed in two sides of the upper pressing plate, and through holes are symmetrically formed in the front and back of the upper pressing plate; the contact plate is in contact with the upper press plate surface and is connected with the second threaded hole through a screw; the utility model provides a fastening parallel groove clamp can adopt upper and lower position to compress tightly the location to the circuit simultaneously, combines the power of holding that adds between base and the top board simultaneously, realizes the holistic fixed of circuit.

Description

Fastening parallel groove clamp

Technical Field

The utility model relates to an electric power fitting technical field especially relates to a fastening parallel groove clamp.

Background

The parallel groove clamp is used for connecting aluminum stranded wires or steel-cored aluminum stranded wires with middle and small cross sections and steel stranded wires of overhead ground wires at positions which do not bear tension and is also used for connecting jumper wires of non-linear towers, but the traditional parallel groove clamp only clamps the circuits simply, and is easy to loosen after being used for a long time, so that the connection failure is caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that the technique that exists is not enough to the aforesaid, provides a fastening parallel groove clamp, can adopt upper and lower position to compress tightly the location to the circuit simultaneously, combines the power of holding that adds between base and the top board simultaneously, realizes that the circuit is holistic fixed.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: comprises a base, an upper pressure plate, a contact plate, a pressing block and a fixing plate; a first threaded hole is formed in the center below the base, sliding grooves are symmetrically formed in the base on two sides of the first threaded hole, a plurality of first fixing lines are uniformly formed in the base, and second threaded holes are symmetrically formed in the upper portion of the base; third threaded holes are symmetrically formed in two sides of the upper pressing plate, and through holes are symmetrically formed in the front and back of the upper pressing plate; the contact plate is in contact with the upper press plate surface and is connected with the second threaded hole through a screw; the pressing block is connected with the sliding chute in a sliding manner; the fixing plate is in contact with the pressing block and is connected with the first threaded hole through a screw.

Preferably, the front and the rear of the base are respectively provided with a fixed clamping plate.

Preferably, a plurality of second fixing grains are uniformly arranged above the pressing block, and a first spring washer is arranged below the pressing block; the fixed plate is provided with a sliding hole, the sliding hole is connected with the lower portion of the pressing block in a sliding mode, and the upper portion of the fixed plate is in surface contact with the first spring washer.

Preferably, the second fixing thread and the first fixing thread are arranged perpendicularly to each other, and the cross-sectional shapes of the second fixing thread and the first fixing thread are triangular.

Preferably, a compression screw is arranged in the third threaded hole, and a contact column is arranged at the end of the compression screw.

Preferably, the contact column is made of natural rubber.

Preferably, a spring washer is arranged between the upper side of the contact plate and the screw.

Compared with the prior art, the utility model has the advantages of it is following: 1. when the fixed clamping plate on the base is integrally installed, tools used for installation can be temporarily hung on the fixed clamping plate, such as iron wires, adhesive tapes and the like, so that the operation is convenient; 2. the pressing block can be used for realizing local pressing of the line, and meanwhile, the second fixing grains on the pressing block are perpendicular to the first fixing grains, so that the pressing in the line axis direction and the pressing in the direction perpendicular to the axis can be realized, and the connection is more reliable; 3. the contact column is made of natural rubber and can be fully contacted with the surface of the line under the action of the compression screw, so that pressure and static friction force generated by connection of the pressure and the compression screw are generated, and the line is prevented from sliding.

Drawings

FIG. 1 is a schematic view of the overall construction of a clamp for securing parallel grooves;

FIG. 2 is an exploded view of the entire assembly of a fastening parallel groove clamp;

FIG. 3 is a view of a base part of a clamp for securing a parallel groove;

FIG. 4 is a diagram of a press block part of a clamp for securing a parallel groove;

FIG. 5 is a fragmentary view of a stationary plate of the clamp securing the parallel groove;

figure 6 is a drawing of a contact plate component of a fastened parallel groove clamp.

In the figure: 1. a base; 2. an upper pressure plate; 3. a contact plate; 4. briquetting; 5. a fixing plate; 101. a first threaded hole; 102. a chute; 103. a first fixing line; 104. a second threaded hole; 105. fixing the clamping plate; 201. a third threaded hole; 202. a through hole; 203. a compression screw; 204. a contact post; 401. a second fixing line; 402. a first spring washer; 501. and (4) a slide hole.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

The first embodiment is as follows: as shown in the combined drawings of fig. 1-6, the clamp for fastening the parallel groove is characterized in that: comprises a base 1, an upper pressure plate 2, a contact plate 3, a pressing block 4 and a fixing plate 5; a first threaded hole 101 is formed in the center of the lower portion of the base 1, sliding grooves 102 are symmetrically formed in the base 1 on two sides of the first threaded hole 101, a plurality of first fixing threads 103 are uniformly formed in the base 1, and second threaded holes 104 are symmetrically formed in the upper portion of the base 1; third threaded holes 201 are symmetrically formed in two sides of the upper pressing plate 2, and through holes 202 are symmetrically formed in the front and back of the upper pressing plate 2; the contact plate 3 is in surface contact with the upper pressure plate 2, and the contact plate 3 is connected with the second threaded hole 104 through a screw; the pressing block 4 is connected with the sliding chute 102 in a sliding manner; the fixing plate 5 is in contact with the pressing block 4, and the fixing plate 5 is connected with the first threaded hole 101 through a screw; the front and the rear of the base 1 are respectively provided with a fixed clamping plate 105; a plurality of second fixing grains 401 are uniformly arranged above the pressing block 4, and a first spring washer 402 is arranged below the pressing block 4; a sliding hole 501 is formed in the fixed plate 5, the sliding hole 501 is connected with the lower part of the pressing block 4 in a sliding mode, and the upper part of the fixed plate 5 is in surface contact with the first spring washer 402; the second fixing thread 401 and the first fixing thread 103 are arranged perpendicularly to each other, and the cross-sectional shapes of the second fixing thread 401 and the first fixing thread 103 are triangular; a compression screw 203 is arranged in the third threaded hole 201, and a contact column 204 is arranged at the end part of the compression screw 203; the contact column 204 is made of natural rubber; a spring washer is arranged between the upper part of the contact plate 3 and the screw.

When in use, as shown in fig. 1 to 6, the groove on the base 1 is contacted with a circuit to be connected, then the upper press plate 2 is placed above, a screw required for connection is respectively connected with the second threaded hole 104 on the base 1 through the contact plate 3 and the through hole 202, after the fixing, the base 1 and the upper press plate 2 realize the compression fixing of the circuit, meanwhile, the first fixing pattern 103 on the base 1 can increase the contact area with the circuit, thereby improving the connection reliability, the upper press plate 2 is provided with the corresponding first fixing pattern 103, then the contact column 204 is placed in the third threaded hole 201, the compression screw 203 is screwed down for fixing, meanwhile, the fixing plate 5 below is compressed and fixed by the screw, in the compression process, the press block 4 is contacted with the circuit, the direction of the second fixing pattern 401 is vertical to the first fixing pattern 103, after the circuit is contacted, the circuit is further prevented from loosening and falling off, the first spring washer 402 provides a certain pretightening force for the pressing block 4, so that the pressing block 4 is always ensured to be in contact with the circuit;

the upper pressure plate 2 is formed by casting, so that pits are easily formed on the upper surface of the upper pressure plate, the contact area with an upper gasket is reduced, the bolt is easy to loosen after long-time use, the surface in contact with the gasket can be ensured to be flat after the contact plate 3 is additionally arranged, and meanwhile, a spring washer is additionally arranged between the contact plate 3 and the upper bolt, so that the pretightening force is increased, and the bolt is prevented from loosening; the sliding hole 501 may provide a certain sliding space for the pressing block 4, so as to sufficiently press and fix the first spring washer 402.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. The utility model provides a fastening parallel groove clamp which characterized in that: comprises a base (1), an upper pressure plate (2), a contact plate (3), a pressing block (4) and a fixed plate (5); a first threaded hole (101) is formed in the center of the lower portion of the base (1), sliding grooves (102) are symmetrically formed in the base (1) on two sides of the first threaded hole (101), a plurality of first fixing grains (103) are uniformly formed in the base (1), and second threaded holes (104) are symmetrically formed in the upper portion of the base (1); third threaded holes (201) are symmetrically formed in two sides of the upper pressing plate (2), and through holes (202) are symmetrically formed in the front and back of the upper pressing plate (2); the contact plate (3) is in surface contact with the upper pressure plate (2), and the contact plate (3) is connected with the second threaded hole (104) through a screw; the pressing block (4) is connected with the sliding groove (102) in a sliding manner; the fixing plate (5) is in contact with the pressing block (4), and the fixing plate (5) is connected with the first threaded hole (101) through a screw.

2. A clamp according to claim 1, wherein: the front and the rear of the base (1) are respectively provided with a fixed clamping plate (105).

3. A clamp according to claim 1, wherein: a plurality of second fixing grains (401) are uniformly arranged above the pressing block (4), and a first spring washer (402) is arranged below the pressing block (4); the fixed plate (5) is provided with a sliding hole (501), the sliding hole (501) is connected with the lower portion of the pressing block (4) in a sliding mode, and the upper portion of the fixed plate (5) is in surface contact with the first spring washer (402).

4. A clamp according to claim 3, wherein: the second fixing grains (401) and the first fixing grains (103) are arranged perpendicularly to each other, and the cross sections of the second fixing grains (401) and the first fixing grains (103) are triangular.

5. A clamp according to claim 1, wherein: a compression screw (203) is arranged in the third threaded hole (201), and a contact column (204) is arranged at the end part of the compression screw (203).

6. A clamp according to claim 5, wherein: the contact column (204) is made of natural rubber.

7. A clamp according to claim 1, wherein: and a spring washer is arranged between the upper part of the contact plate (3) and the screw.