CN204725381U - Electric power pylon bolt fixture - Google Patents

Abstract

The utility model discloses a bolt fixing device for an iron tower of an electric transmission line, which is used for installing bolts for the tower material of an iron tower of an electric transmission line, and comprises an arc-shaped connecting plate, side walls I and II symmetrically arranged at both ends of the arc-shaped connecting plate; Pin holes are set on the wall I and nuts corresponding to the pin holes are set on the outside of the side wall I, and matching fixing bolts are set in the pin holes and nuts; the side wall II is vertically set at one end away from the arc-shaped connecting plate Bolt opening, the outer surface of the bolt opening is flush with the end face of the side wall II. Bolt fixing holes are arranged in the middle of the bolt opening, and arc-shaped baffles are arranged on the inner surface of the bolt opening; several screw rods perpendicular to the screw rod are arranged on the side of the bolt head of the fixing bolt. The utility model does not need a wrench to fix the bolts when the bolts are installed to connect the tower materials, and only one hand is needed to operate the bolts, which is convenient to operate, improves safety and improves work efficiency.

Description

Transmission tower bolt fixing device

technical field

The utility model relates to a bolt fixing device, in particular to a bolt fixing device used for connecting tower materials of transmission line iron towers with bolts.

Background technique

The tower materials of transmission line towers are connected by bolts, and installing bolts in the process of building transmission line towers is a cumbersome and important task. When installing bolts on the transmission line tower, two wrenches are required for installation, one wrench clamps the nut, the other wrench clamps the bolt cap, and at the same time rotates in the opposite direction to install the bolt; this requires two people to operate, each One person operates a wrench, or one person operates with two hands. On the one hand, the operation by two people will increase the number of manpower. On the other hand, the special structure of the transmission line tower does not allow two people to work at the same time; when one person is operating, it is necessary to use two hands to operate. Force, and there will be certain dangers in a higher position, the operation is difficult, and the work efficiency is reduced.

Utility model content

The technical problem to be solved by the utility model is to provide a bolt fixing device, which only needs one hand to operate when the bolt is used to connect the tower material to fix the bolt, which is convenient to operate and improves work efficiency.

In order to solve the problems of the technologies described above, the technical solution adopted by the utility model is:

The transmission tower bolt fixing device is characterized in that it includes an arc-shaped connecting plate, side walls I and II symmetrically arranged at both ends of the arc-shaped connecting plate; pin holes are set on the side wall I and are arranged on the outside of the side wall I A nut corresponding to the pin hole, and matching fixing bolts are arranged in the pin hole and the nut; a bolt wrench is vertically set at the end of the side wall II away from the arc-shaped connecting plate, and the outer surface of the bolt wrench is in contact with the side wall II end faces are flush.

The further improvement of the utility model is that: a bolt fixing hole is provided in the middle of the bolt opening, and an arc-shaped stop is provided on the inner surface of the bolt opening.

A further improvement of the utility model is that: the bolt fixing hole is a regular hexagonal through hole.

The further improvement of the utility model is that: the bolt fixing hole is a circular through hole, and convex teeth are uniformly arranged on the inner wall of the through hole.

The further improvement of the utility model is that: on the side of the bolt head of the fixing bolt, several rotating rods perpendicular to the screw rod are arranged.

The further improvement of the utility model is that: the number of the rotating rods is at least two.

Owing to adopting above-mentioned technical scheme, the beneficial effect that the utility model produces is:

The bolt fixing device of the power transmission iron tower of the utility model is easy to carry and safe to operate. The operator does not need a wrench to fix the bolts when connecting the tower materials with bolts, and only one hand is needed to operate the screwing nuts. The operation is convenient and the safety is improved. performance, improve work efficiency.

The arc-shaped connecting plate of the utility model connects the side wall I and the side wall II to form a U-shaped device. The tower material of the iron tower is connected by angle steel. The fixed bolt makes the bolt stabilizer fixed on the angle steel, and the connection is more stable.

The bolt wrench of the utility model can be set on the head of the bolt connecting the tower material, so that the bolt is fixed in the bolt wrench and will not rotate, so that the bolt rod passes through the tower material, and when the nut is screwed into the other side, the bolt is If it is fixed, it is guaranteed that it can be connected with the bolt only by rotating the nut. The baffle piece of the utility model can block the bolt from leaking out from the inner surface of the bolt opening.

The bolt fixing hole of the utility model is a regular hexagonal through hole, which completely matches the shape of the bolt head, ensuring that the head of the bolt can be stuck; the bolt fixing hole is a circular through hole, and the inner wall of the through hole is evenly provided with convex teeth, It also ensures that the head of the bolt is stuck.

The bolt heads of the fixing bolts of the utility model are evenly distributed with rotating rods, which are convenient for screwing in the fixing bolts, so that the utility model is fixed on the iron tower, so that it does not need to be supported by hand, and one hand can be freed to ensure the safety of the operator; The operation mode is also faster, saving time and improving work efficiency.

Description of drawings

Fig. 1 is a structural representation of the utility model;

Fig. 2 is the schematic diagram when the utility model is not inserted into the fixing bolt;

Fig. 3 is a schematic diagram of the fixing bolt of the present utility model;

Fig. 4 is a schematic diagram of the bolt wrench of the utility model provided with regular hexagonal through holes;

Fig. 5 is a schematic diagram of a bolt wrench of a circular through hole provided with convex teeth of the present invention;

In the accompanying drawings: 1-1, arc connecting plate, 1-2, side wall I, 1-2-1, nut, 1-2-2, pin hole, 1-3, side wall II, 1-3 -1, bolt wrench, 1-3-2, retaining piece, 2-1, bolt head, 2-1-1, screw rod, 2-2, screw rod.

Detailed ways

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

The transmission tower bolt fixing device includes fixing bolts, arc-shaped connecting plate 1-1, side wall I1-2 and side wall II1-3, and side wall I1-2 and side wall II1-3 are symmetrically arranged on the arc-shaped connecting plate 1- 1 at both ends; pin hole 1-2-2 is set on side wall I1-2, nut 1-2-1 is set on the side of side wall I1-2 away from side wall I1-2, and nut 1-2-1 The threaded hole communicates with the pin hole 1-2-2; the end of the side wall II1-3 away from the arc-shaped connecting plate 1-1 is vertically provided with a bolt wrench 1-3-1, and the outer surface of the bolt wrench 1-3-1 is connected to the The end faces of the side wall II1-3 are flat; the fixing bolts include a bolt head 2-1 and a screw rod 2-2, and the screw rod 2-2 is arranged on the threaded hole of the nut 1-2-1 of the side wall I1-2 and the pin hole 1- Inside 2-2, the screw rod 2-2 matches the thread of the nut 1-2-1, and the end of the fixed bolt is rotated so that the screw rod 2-2 passes through the threaded hole of the nut 1-2-1 and the pin hole 1-2-2, When entering between the side wall I1-2 and the side wall II1-3, when the utility model is fixed on the iron tower, the screw rod 2-2 can be fixed by rotating to withstand between the side wall I1-2 and the side wall II1-3 The angle iron and side wall II1-3 of the iron tower tower material are fixed.

The bolt opening 1-3-1 is a circular opening, and a bolt fixing hole is arranged in the middle of the bolt opening 1-3-1; Shaped blocking piece 1-3-2, the arc-shaped both sides of blocking piece 1-3-2 straddle the bolt fixing hole and connect on the bolt wrench 1-3-1. The bolt opening 1-3-1 can be set on the head of the bolt connecting the tower material. The bolt is fixed in the bolt opening 1-3-1 and will not rotate, so that the bolt rod passes through the tower material and is screwed on the other side. When inserting the nuts to be installed, the bolts are fixed, ensuring that only the nuts to be installed can be connected with the bolts by only rotating the nuts to be installed. The blocking piece 1-3-2 can block the bolt from leaking from the inner surface of the bolt wrench 1-3-1.

The bolt fixing hole is a regular hexagonal through hole, which fits perfectly with the shape of the bolt head, ensuring that the bolt can be stuck in the bolt fixing hole and the bolt head will not rotate; another way is to fix the bolt The hole is a circular through hole, and convex teeth are uniformly arranged on the inner wall of the through hole. The convex teeth can be stuck on the edge of the bolt head, and the effect of blocking the bolt will also be realized.

A plurality of rotating rods 2-1-1 are arranged on the side of the bolt head 2-1 of the fixing bolt, and the rotating rods 2-1-1 are perpendicular to the screw rods 2-2; the number of rotating rods 2-1-1 is at least two. The bolts 2-1 of the fixing bolts are evenly distributed with rotating rods 2-1-1, which are convenient for screwing in the fixing bolts, so that the utility model is fixed on the iron tower, so that it does not need to be supported by hand, and one hand can be freed to ensure the safety of the operator. Safe; this way of operation is also faster, saving time and improving work efficiency.

The using method of the present utility model is as follows:

First put the head of the bolt to be installed on the iron tower into the bolt wrench 1-3-1, align the bolt wrench 1-3-1 with the connection hole of the iron tower, and pass the bolt rod through the part to be connected , between the side wall I1-2 and the side wall II1-3, the edge of the iron tower angle iron is inserted; screw the fixing bolt from the nut 1-2-1 of the side wall I1-2 into the nut 1-2-1, and rotate the screw The rod 2-1-1 makes the end of the screw rod 2-2 of the fixing bolt withstand the iron tower angle iron, so that the side wall II1-3 and the angle iron are squeezed together, so that the utility model will not fall off, and the installed bolts will also be fixed Hold, screw the nut in with a wrench on the other side, requiring only one hand to operate.

The operator does not need a wrench to fix the bolts when using the utility model to install the bolts to connect the tower materials, and only needs one hand to operate during the bolt installation process, which is convenient to operate, improves safety and improves work efficiency.

Claims (6)

1. The transmission tower bolt fixing device is characterized in that it includes an arc-shaped connecting plate (1-1), side walls I (1-2) and side walls II ( 1-3); the pin hole (1-2-2) is set on the side wall I (1-2), and the pin hole (1-2-2) is set on the outside of the side wall I (1-2) The corresponding nut (1-2-1), the pin hole (1-2-2) and the nut (1-2-1) are provided with matching fixing bolts (2-2); the side wall II ( 1-3) The bolt wrench (1-3-1) is vertically set at the end away from the arc-shaped connecting plate (1-1), and the outer surface of the bolt wrench (1-3-1) is in contact with the side wall II (1-3 ) are flush with each other. 2. The bolt fixing device for power transmission tower according to claim 1, characterized in that: a bolt fixing hole is set in the middle of the bolt opening (1-3-1), and the inner surface of the bolt opening (1-3-1) Set the curved flaps (1-3-2). 3. The bolt fixing device for power transmission tower according to claim 2, characterized in that: the bolt fixing hole is a regular hexagonal through hole. 4. The bolt fixing device for power transmission tower according to claim 2, characterized in that: the bolt fixing hole is a circular through hole, and convex teeth are uniformly arranged on the inner wall of the through hole. 5. The transmission tower bolt fixing device according to any one of claims 1 to 4, characterized in that: on the side of the bolt head (2-1) of the fixing bolt, a number of screws perpendicular to the screw rod (2-2) are arranged. Rod (2-1-1). 6. The bolt fixing device for power transmission towers according to claim 5, characterized in that: the number of the rotating rods (2-1-1) is at least two.