CN204834300U - Transformer C molded lines presss from both sides - Google Patents

Abstract

Transformer type C clamp. The utility model provides a transformer C-shaped clamp which is easy to install and can be tightly connected to a pile head. It includes a clamp main body, a clamp block and an aluminum pile head block. The clamp block and the pile head block are connected to the clamp main body by bolts. The clamp main body includes a straight part and is symmetrically arranged on The bending part 1 and the bending part 2 on both sides of the straight part, the middle part of the main body of the clamp is provided with a mounting hole; one end of the clamping block is provided with a circular arc clamping groove, and the circular arc clamping groove and the The bending part forms a cable accommodation space, and the other end is provided with an arc socket; one end of the pile head block is provided with an arc head adapted to the arc socket, and the other end is provided with a hollow columnar pile head hole. The common C-shaped cable clamp adopts two arcs to form the pile head. The accommodation space of the pile head is a threaded pile head hole adapted to the pile head, so as to realize the tight connection with the pile head. Only one bolt can be used to connect the wires. Clamp body, clamp block and pile head block, convenient and quick.

Description

Transformer C type clamp

technical field

The utility model relates to the field of electric fittings, in particular to a C-shaped clamp for a transformer.

Background technique

With the convenience of installation, the C-type clamp is more and more accepted by many users, but the connection for transformer copper threaded head and cable transition always makes the installation troublesome for electric construction personnel.

The patent number is "ZL200820030008.2" and the patent name is "distribution transformer pile head clamp". It provides a distribution transformer pile head clamp in the field of distribution transformer low-voltage side connection fittings. The wire made of alloy aluminum There are two grooves in the bottom plate of the clip, one is the groove for the low-voltage pile head of the transformer whose inner cavity is copper-plated, and the other is the groove for the wire. The upper part of the wire clamp bottom plate is provided with large and small pieces of different widths, and the large and small pieces are respectively connected with the wire clamp bottom plate by hexagonal bolts, and contraction joints are left between the large and small pieces. Its disadvantages are: installation is troublesome, and the connection with the pile head is not tight.

Utility model content

Aiming at the above problems, the utility model provides a transformer C-shaped clamp which is easy to install and can be closely connected with the pile head.

The technical scheme of the utility model is: comprising a wire clamp main body, a wire clamp block and an aluminum pile head block, the wire clamp block and the pile head block are connected to the wire clamp main body by bolts, and the wire clamp main body It includes a straight part and a curved part 1 and a curved part 2 symmetrically arranged on both sides of the straight part, and the middle part of the clamp body is provided with an installation hole;

One end of the clamping block is provided with a circular arc clamping groove, and the circular arc clamping groove and the bending part form a cable accommodation space, and the other end is provided with a circular arc socket;

One end of the pile head block is provided with an arc head adapted to the arc socket, and the other end is provided with a hollow cylindrical pile head hole, and the outer side of the pile head hole is adapted to the second curved part.

The transverse middle part of the arc socket is provided with a U-shaped groove 1, and the transverse middle part of the arc head is provided with a U-shaped groove 2, and the bolts are sequentially connected through the mounting hole, the U-shaped groove 2 and the U-shaped groove 1. The clamping block, pile head block and clamp main body.

The bolts sequentially connect the clamping block, pile head block and clamp main body through the mounting hole, U-shaped groove 2, U-shaped groove 1, flat washer, spring washer and nut.

The inner side of the pile head hole is provided with an internal thread adapted to the transformer pile head.

The hollow columnar pile head holes are provided with axial cracks to increase the elastic deformation of the pile head blocks.

Anti-slip strips are provided on the inner sides of the first and second bending parts of the main body of the cable clip.

The outer surface of the aluminum pile head block is provided with a copper layer.

The aluminum pile head block is provided with a copper layer on the outer surface facing the pile head hole with the center as the boundary.

The beneficial effects of the utility model are: the pile head block is changed to a common C-shaped wire clamp, and two circular arcs are used to form the pile head accommodation space, which is a threaded pile head hole adapted to the pile head, so as to realize the close connection with the pile head, and A crack is opened in the axial direction of the pile head hole to increase the elastic deformation capacity of the pile head block, so that the pile head block can be compressed and fastened by itself when it is pressed; only one bolt can be used to connect the main body of the clamp and the clamp block And pile head block, convenient and quick.

Description of drawings

Fig. 1 is the front view of the utility model,

Fig. 2 is a top view of the main body of the utility model wire clamp,

Fig. 3 is the top view of the clamping block of the utility model,

Fig. 4 is the top view of the pile head block of the utility model;

In the figure, 1 is the main body of the clamp, 11 is the installation hole, 2 is the clamp block, 21 is the U-shaped groove 1, 3 is the pile head block, 31 is the pile head hole, 32 is the broken seam, 33 is the U-shaped groove 2, 4 is a bolt, and 41 is a flat washer, and 42 is a spring washer, and 43 is a nut.

Detailed ways

Below in conjunction with accompanying drawing, the utility model is described in detail.

As shown in Figure 1, the utility model comprises a wire clamp main body 1, a wire clamp block 2 and an aluminum pile head block 3, and the wire clamp block 2 and the pile head block 3 are connected to the wire clamp main body 1 through bolts. 4 connection, the clamp main body 1 includes a straight part and a curved part 1 and a curved part 2 symmetrically arranged on both sides of the straight part, and the middle part of the clamp main body 1 is provided with a mounting hole 11 (as shown in FIG. 2 ) ;

One end of the clamping block 2 is provided with a circular arc clamping groove, and the circular arc clamping groove and the bending part form a cable accommodation space, and the other end is provided with a circular arc socket;

One end of the pile head block 3 is provided with an arc head adapted to the arc socket, and the other end is provided with a hollow cylindrical pile head hole 31, and the outside of the pile head hole 31 is adapted to the second curved portion. .

The transverse middle part of the arc socket is provided with a U-shaped groove one 21 (as shown in Figure 3), and the transverse central part of the arc head is provided with a U-shaped groove two 33 (as shown in Figure 4), and the bolt 4 The clamping block 2 , pile head block 3 and clamp main body 1 are connected sequentially through the installation hole 11 , U-shaped groove 2 33 and U-shaped groove 1 21 .

The bolt 4 connects the clamping block 2, pile head block 3 and clamp main body through the mounting hole 11, U-shaped groove 2 33, U-shaped groove 1 21, flat washer 41, spring washer 42 and nut 43 in sequence 1. In order to facilitate the contact with the flat pad 41, the part where the arc socket of the clamping block 2 contacts with the flat pad 41 is set as a plane.

The inner side of the pile head hole 31 is provided with an internal thread adapted to the transformer pile head, which facilitates the connection with the pile head.

The hollow column-shaped pile head hole 31 is provided with an axial slit 32 to increase the elastic deformation of the pile head block and make the fastening more reliable.

The inner side of the bending part 1 and the bending part 2 of the clamp main body 1 is provided with an anti-slip strip, which improves the bite force of the clamping block 2 on the cable and the clamp main body 1 on the pile head block, and improves the stability of the clamping.

The outer surface of the aluminum pile head block 3 is provided with a copper layer, or the outer surface of the aluminum pile head block 3 is bounded by the center towards the pile head hole direction to be provided with a copper layer to increase conductivity and improve power transport performance.

Claims (8)

1. Transformer C-type clamp, comprising a clamp main body, a clamp block and an aluminum pile head block, the clamp block and the pile head block are connected to the clamp main body by bolts, it is characterized in that the The main body of the wire clip includes a straight part and a curved part 1 and a curved part 2 symmetrically arranged on both sides of the straight part, and the middle part of the main body of the wire clip is provided with a mounting hole; One end of the clamping block is provided with a circular arc clamping groove, and the circular arc clamping groove and the bending part form a cable accommodation space, and the other end is provided with a circular arc socket; One end of the pile head block is provided with an arc head adapted to the arc socket, and the other end is provided with a hollow cylindrical pile head hole, and the outer side of the pile head hole is adapted to the second curved part. 2. The transformer C-shaped clamp according to claim 1, wherein a U-shaped groove 1 is provided in the transverse middle part of the arc socket, and a U-shaped groove 2 is provided in the transverse middle part of the arc head, so that The bolts connect the clamping block, pile head block and clamp main body sequentially through the mounting hole, U-shaped groove two and U-shaped groove one. 3. The transformer C-shaped clamp according to claim 2, wherein the bolts sequentially pass through the mounting hole, the second U-shaped groove, the first U-shaped groove, the flat washer, the spring washer and the nut to connect the clamp Wire block, pile head block and wire clip body. 4. The transformer C-shaped clamp according to claim 1, characterized in that, the inner side of the pile head hole is provided with an internal thread adapted to the transformer pile head. 5 . The transformer C-shaped clamp according to claim 1 , wherein the hollow column-shaped pile head hole is provided with an axial crack to increase the elastic deformation of the pile head block. 6 . 6 . The transformer C-shaped clamp according to claim 1 , wherein anti-slip strips are provided on the inner side of the first bending part and the second bending part of the main body of the clamp. 7 . 7. The transformer C-shaped clamp according to claim 1, characterized in that, the outer surface of the aluminum pile head block is provided with a copper layer. 8 . The transformer C-shaped clamp according to claim 1 , wherein a copper layer is provided on the outer surface of the aluminum pile head block with the center as the boundary and facing the pile head hole. 9 .