CN206712334U - Maintenance fixture - Google Patents

Abstract

The utility model discloses a fixture for maintenance, which comprises an inner pressure piece and an angle steel-shaped outer pressure plate, the inner pressure piece and the outer pressure plate are detachably fixedly connected, and an angle steel-shaped clamp is formed between the inner pressure piece and the inner side of the outer pressure plate gap, the internal pressure part is provided with a roller, the roller is rotatably connected with a roller fixing part through a rotating shaft, and the roller fixing part is fixedly connected with the internal pressure part; The structure makes the steel wire rope and the angle steel stably connected. When the direction of the tension changes greatly, the steel wire rope will not fall off, avoiding construction safety hazards. At the same time, this fixed connection structure increases the maximum load-bearing capacity of the angle steel to ensure that the hanging objects are too heavy Occasionally, it will not cause the hook to deform and fall off, ensuring the safety of the staff; the connecting rod structure using the gasket and the hinge is conducive to the staff to connect the angle steel faster and more conveniently, and can effectively protect the angle steel, greatly improving work efficiency and protecting the angle steel strength.

Description

Fixtures for maintenance

technical field

The utility model relates to the maintenance and construction field of transmission lines, in particular to a clamp for maintenance.

Background technique

With the rapid development of the economy and the country's planning for the power industry, the construction of national power transmission and distribution lines has ushered in another peak. In the construction and maintenance process of power transmission and distribution lines, in order to facilitate the staff to hang on the pulley through the wire rope, a large number of pulleys and wire ropes are needed, and in order to ensure the safety of the working environment, the pulleys and wire ropes must pass through the angle steel Stable connection; in the prior art, the block hook and the steel wire sleeve wound on the angle steel are connected by hooking, and the wire sleeve provides pulling force for the block. However, in high-altitude operations where the force direction of the wire rope changes greatly, this The connection method is easy to cause the pulley to be decoupled, and when hanging a large-scale object, the hook may be deformed and fall off due to excessive force, which poses a great safety hazard; Reliable, and the sliding friction generated by the steel wire sleeve will damage the anti-corrosion protection layer of the angle steel, and the angle steel will be bent and deformed due to the excessive shear force of the steel wire sleeve; therefore, it is urgent to provide a more convenient and safe connection angle steel device that can prevent pulleys When working at heights, the direction of the traction force changes greatly or the decoupling is caused by excessive force, and it can effectively protect the angle steel, and at the same time improve the work efficiency and the safety of the staff.

Utility model content

In view of this, the purpose of this utility model is to provide a fixture for maintenance. This connecting angle steel device is more convenient and safe to use, and can prevent the pulley from being damaged due to a large change in the direction of the traction force or excessive force when the pulley is working at high altitude. Decoupling, and can effectively protect the angle, while improving work efficiency and staff safety.

The maintenance fixture of the utility model includes an internal pressure piece and an angle-shaped outer pressure plate, the internal pressure piece and the outer pressure plate are detachably fixedly connected, and an angle steel-shaped gap is formed between the internal pressure piece and the inner side of the outer pressure plate; The inner pressure part is provided with a roller, and the roller is rotatably connected to a roller fixing part through a rotating shaft, and the roller fixing part is fixedly connected to the inner pressure part.

Further, the roller fixing member includes two parallel fixed plates, there is a gap between the fixed plates and a channel for installing the roller is formed, and the roller is rotatably arranged on the fixed plate in a manner that the axis is perpendicular to the fixed plate .

Further, the internal pressure part has a trapezoidal structure, and the fixing plate is fixed and embedded in the internal pressure part in a manner perpendicular to the upper bottom of the internal pressure part.

Further, the two ends of the outer pressure plate are bent outward to form the connecting ears of the outer pressure plate, and the two ends of the inner pressure piece extend outward to form the connecting ears of the inner pressure piece. The ends are respectively provided with U-shaped openings with opposite opening directions; the connecting ear of the outer pressure plate is connected to the connecting ear of the inner pressure piece through a connecting rod hinged to the connecting ear of the outer pressure plate.

Further, the inner side of the outer pressure plate and the outer side of the waist of the inner pressure member are provided with gaskets for increasing the friction between the pressure plate and the angle steel and reducing the shear force on the angle steel.

Furthermore, a U-shaped ring for hooking the block is fixedly arranged on the outer side of the outer pressure plate, and a reinforcing piece is arranged between the U-shaped ring and the outer pressure plate.

Further, the internal pressure member is a hollow structure.

Furthermore, a fixing rod is fixedly arranged between the fixing plates of the roller fixing member.

Further, the gasket is fixed to the outer pressure plate and the inner pressure piece by rivets.

Beneficial effects of the utility model: the fixture for maintenance of the utility model adopts the structure that the roller is fixed on the inner pressure piece through the fixing piece, so that the steel wire rope is stably connected with the angle steel, and the steel wire rope will not fall off when the direction of the pulling force changes greatly At the same time, this fixed connection structure increases the maximum load-bearing capacity of the angle steel, ensuring that the hook will not deform and fall off when the hanging object is too heavy, ensuring the safety of the staff; the bolt hinge and gasket structure are conducive to It is faster and more convenient for the staff to connect the angle steel and can effectively protect the angle steel, which greatly improves the work efficiency and the protection of the angle steel.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the utility model is further described:

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

Fig. 2 is a schematic cross-sectional view of the connecting ear.

detailed description

Fig. 1 is a schematic structural view of the utility model, and Fig. 2 is a schematic cross-sectional view of the connecting ear, as shown in the figure: the maintenance fixture of the utility model includes an internal pressure piece 2 and an angle steel-shaped external pressure plate 1, and the internal pressure piece 2 is detachably fixedly connected with the outer pressure plate 1 and an angle steel-shaped gap is formed between the inner pressure piece 2 and the inner side of the outer pressure plate 1. The inner pressure piece is provided with a roller 3, and the roller is connected to a roller fixing piece 4 through a rotating shaft. Rotatably connected, the roller fixing part is fixedly connected with the internal pressure part; the structure that the rotating shaft is fixed on the internal pressure part 2 through the roller fixing part, the cooperation of the roller 3 and the wire rope can change the direction of the pulling force when pulling the weight, and , when the traction direction of the steel wire rope changes greatly, since the rotating shaft of the roller is fixed on the roller fixing part 4, the rotating shaft of the roller is fixed to ensure that it will not be unhooked due to the rotation of the pulley hook, and further ensure that the steel wire rope does not fall off, which is beneficial to improve The stability of the connection between the wire rope and the angle steel.

In this embodiment, the roller fixing member 4 includes two fixing plates arranged in parallel, there is a gap between the fixing plates and a channel for installing the roller 3 is formed, and the axis of the roller is perpendicular to the fixing plate. It can be rotatably installed on the fixed plate; the structure of the parallel fixed plate is beneficial to make the roller 3 not easy to fall off and facilitate the installation of the roller, and when setting the distance between the fixed plates, the side of the roller 3 can be set without extrusion contact with the side wall of the channel , which is beneficial for the steel wire rope to be less likely to be locked and to ensure the normal use of the device.

In this embodiment, the internal pressure part 2 has a trapezoidal structure, and the fixed plate is fixed and embedded in the internal pressure part 2 in a manner perpendicular to the upper bottom of the internal pressure part 2; one end of the fixed plate is fixedly connected to the internal pressure part The structure makes the pulling force acting on the roller 3 act on the internal pressure member 2 through the fixedly connected roller fixing part 4, and further acts on the angle steel, which is beneficial to increase the maximum load-bearing capacity of the roller 3.

In this embodiment, the two ends of the outer pressure plate 1 are bent outward to form the outer pressure plate connecting ears 5, and the two ends of the inner pressure member 2 extend outward to form the inner pressure member connecting ears 6, and the outer pressure plate connecting ears 5 and the two ends of the connecting ear 3 of the inner pressure piece are respectively provided with U-shaped openings 505 with opposite opening directions; the connecting ear 5 of the outer pressure plate is connected to the connecting ear 6 of the inner pressure piece through a connecting rod hinged to the connecting ear of the outer pressure plate; The connection ears formed by bending the two ends of the outer pressure plate 1 to the outside of the outer pressure plate and the connection ears formed by the extension of the inner pressure part 2 along the two ends of the bottom edge are matched in parallel. The ear 5 is fixedly provided with a hinge base 501, the hinge base 501 is hinged with one end of a bolt 503 through a pin 502, the other end of the bolt is provided with a nut 504, and the connecting ear 5 of the outer pressure plate and the connecting ear 6 of the inner pressure piece are provided with bolts which can be embedded U-shaped opening 505 structure, when the angle steel is clamped, the bolt 503 is embedded in the U-shaped opening 505, and the pressure between the outer pressure plate 1 and the inner pressure part 2 is adjusted by rotating the nut 504. This structure can be used quickly and conveniently. The device can be fixed and disassembled accurately, reducing the time for the wire sleeve to wind the angle steel, improving work efficiency, and the connection is more stable and safe.

In this embodiment, the inner side of the outer pressure plate 1 and the outer side of the waist of the inner pressure member 2 are provided with a gasket 9 for increasing the friction between the pressure plate and the angle steel and reducing the shear force on the angle steel; the gasket can be The rubber gasket or nylon gasket adopts the structure that the inner side of the outer pressure plate 1 and the outer side of the inner pressure part 2 are fixed with gaskets, which is beneficial to increase the dynamic friction coefficient between the pressure plate and the angle steel, and hinders the relative sliding between the connecting device and the angle steel, so that the wire rope is connected. The angle steel is more stable and protects the anti-corrosion layer on the surface of the angle steel; and the gasket 9 can reduce the shear force on the angle steel and avoid deformation and bending caused by excessive shear force on the angle steel.

In this embodiment, a U-shaped ring 7 for hooking the tackle is fixedly arranged on the outer side of the outer pressure plate, and a reinforcement 8 is arranged between the U-shaped ring 7 and the outer pressure plate 1; when the fixed roller 3 fails At the same time, the U-shaped ring 7 can be used to continue to work, increasing the applicability of the device; at the same time, the reinforcement 8 is a right-angled triangular rib, and a right-angled side of the rib is fixedly connected to the U-shaped ring 7. The other right-angle side is fixedly connected with the outer pressure plate 1 , and adopting such a structure is beneficial to increase the stress strength of the U-shaped ring 7 .

In this embodiment, the internal pressure member is a hollow structure; adopting a hollow structure can reduce the weight of the device and is convenient to carry.

In this embodiment, the fixed rods 11 are fixedly arranged between the fixed plates of the roller fixing member 4; adopting the connection structure of the fixed rods 11 is beneficial to maintain the distance between the fixed plates, so that the roller shaft can be more stably fixed on the fixed plates Between them, the roller 3 is prevented from falling off, and at the same time, the fixed rod enables at least two fixed plates to be better stabilized on the internal pressure piece as a whole.

In this embodiment, the gasket 9 is fixed to the outer pressure plate 1 and the inner pressure member 2 by means of rivets 10, the fixing process of the rivets 10 is simple, the disassembly and assembly are flexible, and the replacement of the gasket 9 is also faster and more convenient; Of course, the fixing method of the gasket 9 can be adhesively fixed, and the surface of the outer pressure plate 1 and the inner pressure part 2 is concavely formed to form an installation groove conformally fitted with the gasket, and the thickness of the gasket 9 is 1/2 of the depth of the installation groove. One-half, the gasket 9 is bonded and fixed to the bottom surface of the installation groove; to ensure the tangential fixation of the gasket is stable and to avoid tearing of the gasket 9 fixed by the rivet due to excessive tangential force, and to avoid the rear end surface of the rivet from being fixed. The effect of the gasket is reduced due to the direct collision of the parts, the structure is simple, and the service life is long.

Finally, it is noted that the above embodiments are only used to illustrate the technical solutions of the present utility model without limitation. Although the utility model has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the utility model can be Modifications or equivalent replacements of the technical solutions without departing from the purpose and scope of the technical solutions of the utility model shall be covered by the claims of the utility model.

Claims (9)

1. A fixture for maintenance, characterized in that: it includes an inner pressure piece and an angle-shaped outer pressure plate, the inner pressure piece and the outer pressure plate are detachably fixedly connected and an angle steel shape is formed between the inner pressure piece and the inner side of the outer pressure plate. Gap: the inner pressure part is provided with a roller, the roller is rotatably connected to a roller fixing part through a rotating shaft, and the roller fixing part is fixedly connected to the inner pressure part. 2. The inspection fixture according to claim 1, characterized in that: the roller fixing member comprises two fixing plates arranged in parallel, there is a gap between the fixing plates and a channel for installing the roller is formed, the The roller is rotatably arranged on the fixed plate with the axis perpendicular to the fixed plate. 3 . The inspection fixture according to claim 2 , wherein the internal pressure member has a trapezoidal structure, and the fixing plate is fixed and embedded in the internal pressure member in a manner perpendicular to the upper bottom of the internal pressure member. 4 . 4. The inspection fixture according to claim 3, characterized in that: both ends of the outer pressure plate are bent outward to form connecting ears of the outer pressure plate, and the two ends of the inner pressure piece extend outward to form the connection of the inner pressure piece Ears, the two ends of the connecting ear of the outer pressure plate and the connecting ear of the inner pressure piece are respectively provided with U-shaped openings with opposite opening directions, and the connecting ear of the outer pressure plate is connected to the connecting ear of the inner pressure piece through a connecting rod hinged to the connecting ear of the outer pressure plate connect. 5. The inspection fixture according to claim 4, characterized in that: the inner side of the outer pressure plate and the outer side of the waist of the inner pressure piece are provided for increasing the friction between the pressure plate and the angle steel and reducing the shear force on the angle steel. gasket. 6. The inspection fixture according to claim 5, characterized in that: a U-shaped ring for hooking a tackle is fixedly arranged on the outer side of the outer pressure plate, and a reinforcing piece is arranged between the U-shaped ring and the outer pressure plate . 7. The inspection fixture according to claim 6, wherein the internal pressure member is a hollow structure. 8. The inspection fixture according to claim 7, wherein a fixing rod is fixedly arranged between the fixing plates of the roller fixing member. 9 . The inspection fixture according to claim 8 , characterized in that: the gasket is fixed to the outer pressure plate and the inner pressure piece by rivets. 10 .