CN105514879A - Line clamping device - Google Patents

Abstract

The invention discloses a wire gripper, which comprises a mounting plate and two clamping blocks arranged on the mounting plate. The two clamping blocks are respectively rotatably connected with shaft rods. The mounting plate is provided with two sliding holes, and each sliding The hole is slidably matched with a shaft rod, and the two clamping blocks are respectively detachably connected with clamping scribes, and the two clamping scribes are respectively provided with card slots for clamping cables, and the two clamping scribes are respectively provided with card slots for clamping cables. The card slots are arranged oppositely, and the mounting plate is provided with a long hole. One of the clamping blocks is rotatably connected with the first multi-link mechanism, and the other clamp block is rotatably connected with the second multi-link mechanism. The first multi-link mechanism and the The other end of the second multi-link mechanism is movably connected to a rotating shaft respectively, and the rotating shaft passes through the elongated hole. A U-shaped bar is movably connected to the rotating shaft and the first multi-link mechanism and the second multi-link mechanism are movable with the rotating shaft. One end of the connection is arranged between the two rod bodies of the U-shaped rod, which solves the problem that the existing wire clamps are inconvenient to carry due to various types and sizes.

Description

a wire clamp

technical field

The invention relates to a wire clamp.

technical background

The wire clamp is a commonly used wire holding tool in the construction and maintenance of electric power overhead lines. According to different working conditions, the types and specifications of the wires held by the first level are different. The types of wire clamps include: aluminum alloy wire clamps, insulated wire clamps Devices, wire clamps for steel strands, etc., each type of clamp has a variety of sizes and specifications.

Due to the various types and sizes of wire clamps, currently in the process of electric power construction and maintenance work, electric power maintenance personnel need to carry many different types and sizes of wire clamps, resulting in a heavy burden on the construction and maintenance work process, and due to the power The tool storage place is generally far away from the maintenance place. If a certain type or size of wire clamp is missing, the power maintenance personnel need to go back to the power tool storage place to get it, which will prolong the construction time.

Contents of the invention

The technical problem to be solved by the present invention is to provide a wire clamp to solve the problem that the existing wire clamps are inconvenient to carry due to various types and sizes.

In order to solve the problems of the technologies described above, the present invention adopts the following technical solutions:

A wire gripper, comprising a mounting plate and two clamping blocks arranged on the mounting plate, the two clamping blocks are respectively rotatably connected with shafts, and the mounting plate is provided with two sliding holes, each of which is connected to the A shaft is slidably fitted, and the two clamping blocks are respectively detachably connected with clamping scribes, and the two clamping scribes are respectively provided with card slots for clamping cables, and the two clamping scribes are respectively provided with slots for clamping cables. The card slots are set opposite to each other, the mounting plate is provided with a long hole, one of the clamping blocks is rotatably connected with a first multi-link mechanism, and the other clamp block is rotatably connected with a second multi-link mechanism, and the first multi-link mechanism is rotatably connected The other ends of the connecting rod mechanism and the second multi-link mechanism are movably connected to a rotating shaft respectively, and the rotating shaft passes through the elongated hole. U-shaped rods are movably connected on the rotating shaft and the first multi-link mechanism and the second multi-link mechanism One end of the connecting rod mechanism movably connected with the rotating shaft is arranged between the two rod bodies of the U-shaped rod.

Further, the clamping block is provided with an installation groove, and the clamping scribe is provided with a raised line, and the raised line is inserted into the installation groove, and the clamping block and the raised line are fixedly connected by several bolts.

Further, the first multi-link mechanism includes a first link with one end rotatably connected to the clamp block, a second link with one end rotatably connected with the other end of the first link, and a second link with one end rotatably connected with the second link. The other end is rotatably connected to the third connecting rod, and the other end of the third connecting rod is rotatably connected to the rotating shaft.

Further, the clamp block connected to the first connecting rod is connected to the second connecting rod through a return spring.

Further, the second multi-link mechanism includes a fourth link with one end rotatably connected to the clamp block and a fifth link with one end rotatably connected with the other end of the fourth link, and the other end of the fifth link Rotationally connected on the rotating shaft, the fourth connecting rod is L-shaped, and the shorter rod body of the L-shaped fourth connecting rod is rotatably connected with the clamping block.

Further, the clamping block connected to the fourth connecting rod is provided with a fixing bar, and the fixing bar and the surface of the clamping block form a limit hole, and a limit rod is fixed on the fourth connecting rod, and the limit rod Extend into the limit hole and extend to the top of another clamp block.

Further, a telescopic rod is fixedly connected to the end of the rotating shaft, and a fixed block is provided on the body of the telescopic rod, and the fixed block is fixedly connected to the U-shaped rod.

Beneficial effects of the present invention:

1. The clamping scribe can be set into various types and sizes according to various types and sizes of cables. Since the clamping scribe and the clamping block are detachably connected, construction personnel can use various types and sizes of cables. The type and size of the clamping scribes are stored in the electric construction bag, and according to the site conditions, the clamping scribes required for quick disassembly and assembly improve the construction efficiency and reduce the load of the construction personnel;

2. The card slot for clamping and scribing is easy to wear during use. The non-removable clamping device for clamping and scribing needs to be disassembled and replaced as a whole after the card slot is damaged. The replacement process is very troublesome and the cost is also high. However, the clamping scribe and the clamping block of the present invention are detachably connected, and the damaged clamping scribe can be quickly replaced at the construction site, and the replacement process is convenient and fast. Only the clamping scribe is replaced, and the cost is also lower;

3. You only need to drag the rotating shaft in the long hole of the mounting plate to simultaneously drive the two clamping blocks to clamp or loosen through the first multi-link mechanism and the second multi-link mechanism, which simplifies the operation of the clamp process, reducing the labor intensity of construction personnel.

Description of drawings

The present invention is further described below in conjunction with accompanying drawing and specific embodiment:

Fig. 1 is the structural representation of a kind of clamping device of the present invention;

Fig. 2 is a schematic diagram of the installation structure of a U-shaped rod in a wire gripper of the present invention;

Fig. 3 is a schematic diagram of the installation structure of the clamping block and the clamping sliding piece in the wire gripper of the present invention.

detailed description

The specific implementation manners of the present invention will be described in detail below in conjunction with the accompanying drawings.

As shown in Figures 1 to 3, a wire gripper includes a mounting plate 1 and two clamping blocks 2 arranged on the mounting plate 1, the two clamping blocks 2 are respectively rotatably connected with shafts 21, and the mounting plate 1 There are two sliding holes 11 on the top, and each sliding hole 11 is slidably matched with a shaft rod 21. The sliding holes 11 are long and obliquely arranged. When the shaft rod 21 slides along the sliding hole 11, the two clamping blocks 2 work together Close or separate movement, the two clamping blocks 2 are respectively detachably connected with clamping scribes 22, and the two clamping scribes 22 are respectively provided with card slots 22a for clamping cables, and the two clamping scribes 22 The card slots 22a on the top are relatively arranged, and the relative arrangement specifically means that the two card slots 22a are arranged on the same horizontal plane and arranged in parallel. The shape of the card slots 22a is an arc-shaped groove, and the arc surfaces of the two card slots 22a can fit For the cables being held, the wire gripper is equipped with multiple sets of clamping scribes 22, and each set of clamping scribes 22 has different types and sizes of slots 22a to match the corresponding cables. Since the clamping scribes 22 is detachably connected with the clamping block 2, and the construction personnel can quickly install the clamping scribing piece 22 that matches the cable to be repaired to the two clamping blocks 2 as required during the construction process. The sleeve clamping scribing piece 22 is placed in the power inspection bag and carried around, which can adapt to the wire holding operation of various cables, and the construction personnel no longer need to carry various types of wire clamps or climb up and down to replace different types of clamped wires Therefore, the operation process of the wire clamp is simplified, and the load of the construction personnel and the labor intensity of the construction are reduced.

Mounting plate 1 is provided with elongated hole 12, wherein a clamping block 2 is connected with the first multi-linkage mechanism 3, and the other clamping block 2 is rotatably connected with the second multi-linkage mechanism 4, the first multi-linkage mechanism 3 and the other end of the second multi-link mechanism 4 are movably connected on a rotating shaft 5 respectively, and the rotating shaft 5 passes through the elongated hole 12, and the U-shaped bar 6 is movably connected on the rotating shaft 5 and the first multi-link mechanism 3 and the second multi-link mechanism One end of the two multi-link mechanism 4 movably connected with the rotating shaft 5 is arranged between the two rod bodies 61 of the U-shaped rod 6, and the construction personnel pull the U-shaped rod 6 to make the rotating shaft 5 slide in the long hole 12 to drive the first multi-link The mechanism 3 is linked with the second multi-link mechanism 4, thereby driving the two clamping blocks 2 to slide in the two sliding holes 11, and finally controlling the closing or separation of the two clamping blades 22, so that the At the same time, the two clamping blades 22 are controlled to move together or separate, which further simplifies the operation of the wire gripper and reduces the labor intensity of construction personnel.

The clamping block 2 is provided with an installation groove 2a, and the clamping blade 22 is provided with a convex strip 22b, and the convex strip 22b is inserted into the installation groove 2a, and the clamping block 2 and the convex strip 22b are fixedly connected by several bolts 2b, and the clamping block 2 and the clamping scribe 22 are inserted into the installation groove 2a through the convex strip 22b and then fixed with the bolt 2b. This fixing method is firm and reliable, and the construction personnel can quickly complete the loading and unloading operation of the clamping scribe 22 with the wrench that comes with them, improving improved construction efficiency.

The first multi-link mechanism 3 includes a first link 31 with one end rotatably connected to the clamp block 2 , a second link 32 with one end rotatably connected to the first link 31 and the other end rotatably connected to the second link 32 . The other end of the third link 33 is rotatably connected to the third link 33, and the other end of the third link 33 is rotatably connected to the rotating shaft 5. The first multi-link mechanism 3 adopts the first link 31, the second link 32 and the third link The three-link mechanism formed by the rod 33 can make the clamp block 2 slide in the slide hole 11 and have a larger rotation angle, so that in the process of holding the wire, the end of the clamping blade 22 with a larger rotation angle is opposite to the cable diameter. Apply more force to the cable to improve the wire holding effect of the partial section of the cable.

Since the first multi-link mechanism 3 is a three-link mechanism, its rotation angle range is relatively large, in order to prevent the first link 31, the second link 32 and the third link 33 in the first multi-link mechanism 3 from The maximum separation position of the clamp block 2 is stuck, and the clamp block 2 connected to the first connecting rod 31 is connected to the second connecting rod 32 through the return spring 34. Under the elastic force of the return spring 34, the first multi-link mechanism 3 Can be easily reset.

The second multi-link mechanism 4 includes a fourth connecting rod 41 whose one end is rotatably connected to the clamp block 2 and a fifth connecting rod 42 whose one end is rotatably connected to the other end of the fourth connecting rod 41, and the other end of the fifth connecting rod 42 One end is rotatably connected on the rotating shaft 5, the fourth connecting rod is L-shaped, and the shorter rod body of the L-shaped fourth connecting rod 41 is rotatably connected with the clip block 2, and the second multi-link mechanism 4 adopts the fourth connecting rod 41 and the second connecting rod 41. The two-link mechanism that five-linkage 42 forms, because the 4th link is L-shaped, it is actually equivalent to the three-link mechanism of the first multi-link mechanism 3 and removes a rotation pair, can make clamping block 2 slide in this way. When sliding in the hole 11, there is a small rotation angle, but it can provide a large supporting force towards the radial direction of the cable, and improve the effect of holding the cable as a whole.

The clamp block 2 connected by the fourth connecting rod 41 is provided with a fixed bar 43, the fixed bar 42 forms a limit hole 43a with the surface of the clamp block 2, and the fourth connecting rod 41 is fixed with a limit rod 44. The limit rod 44 Stretch in the limit hole 43a and extend to the top of another clamp block 2, through the position-limiting effect of the limit rod 44, two clamp blocks 2 can be placed between the first multi-link mechanism 3 and the second multi-link mechanism. 4. Driven to move along the surface of the mounting plate 1 to prevent the phenomenon that the two clamping blocks 2 are tilted and the two clamping slots 22a are not aligned.

Due to the different heights of construction personnel, shorter construction personnel need to adjust their positions for multiple operations when holding the wire. In order to enable construction personnel of different heights to complete the wire holding operation at one time, a Telescopic rod 7, the rod body of this telescopic rod 7 is provided with fixed block 71, and this fixed block 71 is fixedly connected with U-shaped bar 6, and groove is preferably set at the lower end of fixed block 71, and a rod body 61 of U-shaped rod 6 is embedded In this groove, the fixed rod can control the U-shaped rod 6 to rotate around the rotating shaft 5 like this, and bolts are set on the fixed block 71, and the bolts pass through the rod body of the telescopic rod 7 to prevent the telescopic rod 7 from controlling the rotating shaft 5 along the long hole 12. Displacement occurs with the fixed block 71 when sliding.

The above describes the preferred embodiments of the present invention, but it should not be construed as a limitation on the claims. The present invention is not limited to the above embodiments, and its specific structure is allowed to change. Those skilled in the art can make various changes and deformations according to the present invention. As long as they do not depart from the spirit of the present invention, they all belong to the definition of the appended claims scope.

Claims (7)

1. A wire clamp, comprising a mounting plate and two clamping blocks arranged on the mounting plate, characterized in that the two clamping blocks are respectively rotatably connected with shafts, and the mounting plate is provided with two sliding holes , each sliding hole is slidably matched with a shaft rod, and the two clamping blocks are respectively detachably connected with a clamping scribe, and the two clamping scribes are respectively provided with a slot for clamping the cable. The card slots on the two clamping blades are oppositely arranged, and the mounting plate is provided with a long hole, one of the clamping blocks is rotatably connected with the first multi-link mechanism, and the other clamp block is rotatably connected with the second multi-link mechanism , the other ends of the first multi-link mechanism and the second multi-link mechanism are respectively movably connected to a rotating shaft, the rotating shaft passes through the long hole, a U-shaped bar is movably connected to the rotating shaft and the first multi-link One end of the rod mechanism and the second multi-link mechanism movably connected with the rotating shaft is arranged between the two rod bodies of the U-shaped rod. 2. A wire gripper according to claim 1, characterized in that, the clamping block is provided with a mounting groove, and the clamping blade is provided with a raised line, and the raised line is inserted into the mounting groove Among them, the clamp block is fixedly connected with the protruding strip by several bolts. 3. A wire gripper according to claim 1, wherein the first multi-link mechanism comprises a first connecting rod whose one end is rotatably connected to the clamp block, and the other end is rotatable with the first connecting rod. One end of the second link is rotatably connected to the third link, one end of which is rotatably connected to the other end of the second link, and the other end of the third link is rotatably connected to the rotating shaft. 4 . The wire clamp according to claim 3 , wherein the clamp block connected to the first connecting rod is connected to the second connecting rod through a return spring. 5 . 5. A wire gripper according to claim 1, characterized in that the second multi-link mechanism comprises a fourth link whose one end is rotatably connected to the clamping block and the other end which is rotatable with the fourth link One end is rotatably connected to the fifth connecting rod, and the other end of the fifth connecting rod is rotatably connected to the rotating shaft. The fourth connecting rod is L-shaped, and the shorter rod body of the L-shaped fourth connecting rod is rotatably connected to the clamping block. 6. A wire clamp according to claim 5, characterized in that, the clamping block connected to the fourth connecting rod is provided with a fixing bar, and the fixing bar forms a limiting hole with the surface of the clamping block, A limiting rod is fixed on the fourth connecting rod, and the limiting rod extends into the limiting hole and extends above the other clamping block. 7. A wire gripper according to claim 1, characterized in that, the end of the shaft is fixedly connected with a telescopic rod, the body of the telescopic rod is provided with a fixed block, and the fixed block is fixed to the U-shaped rod connect.