CN219429594U - Crane pulley for power transmission line construction and maintenance - Google Patents

Abstract

The utility model discloses a crane pulley for construction and maintenance of a power transmission line, which has the technical scheme that: the lifting device comprises two guard plates, wherein pulleys are arranged between the two guard plates, a mounting block is arranged between the two guard plates, and a lifting hook is arranged on the bottom surface of the mounting block; the adjusting part is arranged between the two guard plates and used for adjusting the flexibility of the pulley, the adjusting part comprises a rotating column, the rotating column is arranged between the two guard plates, a rotating hole is formed in one side of each guard plate, the rotating column is movably sleeved with the rotating hole, a connecting hole is formed in one side of each mounting block, and the rotating speed of the pulley is adjusted by the aid of the arranged guard plates, the pulley, the rotating hole, the rotating column, the mounting block, the connecting hole, the movable hole, the rotating column, the lifting hook, the sliding chute, the adjusting groove, the rotating groove, the operating column, the moving hole, the mounting ring, the fixing column and the clamping ring.

Description

Crane pulley for power transmission line construction and maintenance

Technical Field

The utility model relates to the technical field of lifting pulleys, in particular to a lifting pulley for power transmission line construction and maintenance.

Background

The hoisting tackle is commonly called as a hoisting block, is a simple hoisting machine for vertically hoisting heavy objects through a chain wheel or a winding drum, has light dead weight, compact structure and convenient use, is suitable for simple hoisting work in construction, can be divided into a single-door tackle, a double-door tackle and a multi-door tackle according to different wheel numbers, can be divided into four types of a lifting hook tackle, a chain ring tackle, a lifting ring tackle and a hanging bracket tackle according to the connection mode of the tackle and the hanging object, and is realized by using a transformer to boost electric energy generated by a generator and then connecting the electric energy into an electric transmission line through control equipment such as a circuit breaker.

In the prior art, as the flexibility of the pulley structure of the common hoisting pulley is limited, when a worker needs to reduce the rotation of the hoisting pulley, the speed of the hoisting pulley may not be easily adjusted, and thus, the wire may be lifted too fast during the construction of a power transmission line.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides the crane pulley for the construction and maintenance of the power transmission line, which solves the problems that the flexibility of the pulley structure of the common crane pulley is limited, and when a worker needs to reduce the rotation of the crane pulley, the worker can not easily adjust the speed of the crane pulley, so that the wire can be lifted too fast during the construction of the power transmission line.

The technical aim of the utility model is realized by the following technical scheme:

the hoisting pulley for the construction and maintenance of the power transmission line comprises two guard plates, wherein pulleys are arranged between the two guard plates, a mounting block is arranged between the two guard plates, and a hoisting hook is arranged on the bottom surface of the mounting block; the adjusting part sets up two between the backplate is used for right the flexibility ratio of pulley is adjusted, the adjusting part includes: the rotary column, the rotary column sets up two between the backplate, the rotation hole has been seted up to one side of backplate, the rotary column with the rotation hole activity cup joints, the connecting hole has been seted up to one side of installation piece, the movable hole has been seted up to the inside bottom surface of connecting hole, the top surface fixed mounting of lifting hook has the rotation column, the rotary column with the movable hole activity cup joints, the spout has been seted up to the interior wall of pulley, the regulating tank has been seted up respectively at the both ends of rotary column, the rotation groove has been seted up to inside one side of regulating tank, the interior wall activity of regulating tank cup joints the operation column, the operation column with the rotation groove activity cup joints, the screw thread has been seted up to the outer wall of operation column, two movable holes have been seted up to the outer wall screw thread of operation column, the interior wall of installation ring has set up the screw thread, the outer wall fixed column of installation, the outer wall activity of rotation column has cup jointed two grip rings, grip ring and fixed mounting.

In order to facilitate the limit of the operation column, the lifting pulley for the construction and maintenance of the power transmission line is preferably provided with the limit groove on the inner circular wall surface of the adjusting groove, the limit ring is fixedly sleeved on the outer circular wall surface of the operation column, and the limit ring is movably sleeved with the limit groove.

In order to limit the mounting ring conveniently, the lifting pulley for construction and maintenance of the power transmission line is preferably provided with the stabilizing groove on the inner circular wall surface of the adjusting groove, and the outer circular wall surface of the mounting ring is fixedly provided with the sliding block which is in sliding connection with the stabilizing groove.

In order to increase the friction force of the clamping ring conveniently, the lifting pulley for the construction and maintenance of the power transmission line is preferably provided with the silica gel pad fixedly arranged at one end of the clamping ring.

In order to facilitate the rotation of the auxiliary rotating column, the rotating column can drive the pulley to rotate when the pulley is clamped and can not rotate, and the lifting pulley for the construction and maintenance of the power transmission line is preferably characterized in that the bearing is fixedly sleeved on the inner circular wall surface of the rotating hole and fixedly sleeved with the rotating column.

In order to facilitate reducing particle dust from entering the inside of the bearing and affecting the rotation of the bearing, the lifting pulley for construction and maintenance of the power transmission line is preferably provided with the fixed ring fixedly arranged on one side of the guard plate, the outer circular wall surface of the fixed ring is provided with threads, the outer circular wall surface of the fixed ring is in threaded connection with the blocking cover, the inner circular wall surface of the blocking cover is provided with threads, one end of the blocking cover is provided with the operation hole, and the operation hole is movably sleeved with the operation column.

In order to facilitate the disassembly and maintenance of the lifting hook, the lifting pulley for the construction and maintenance of the power transmission line is preferably characterized in that one side of the guard plate is provided with the circular through holes, the inner circular wall surfaces of the two circular through holes are movably sleeved with the bearing columns, one side of the mounting block is provided with the circular through holes, the bearing columns are movably sleeved with the circular through holes, and the outer circular wall surfaces of the bearing columns are in threaded connection with nuts.

In summary, the utility model has the following advantages:

through backplate, pulley, rotation hole, column spinner, installation piece, connecting hole, movable hole, column spinner, lifting hook, spout, adjustment tank, rotation tank, operation post, removal hole, collar, fixed column, gripping ring mutually support and use that sets up to be convenient for adjust the rotation rate of pulley, so that construct the maintenance to transmission line.

Through the bearing that sets up, the auxiliary rotating column of being convenient for rotates, makes the pulley block the unable rotation time the rotating column can drive the pulley rotation, through the bearing that sets up, the auxiliary rotating column of being convenient for rotates, makes the pulley block unable rotation time the rotating column can drive the pulley rotation, through the spandrel post that sets up, the staff shifts out the excircle wall of spandrel post through the nut, can remove the fixing to spandrel post, and then can dismantle out the backplate with installation piece and lifting hook to be convenient for dismantle the maintenance to the lifting hook.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic view of the structure of the bearing post of the present utility model;

FIG. 3 is a schematic view of a spin column according to the present utility model;

fig. 4 is a schematic rear view of the barrier cap structure of the present utility model.

Reference numerals: 1. a guard board; 2. a pulley; 3. a rotation hole; 4. a spin column; 5. a mounting block; 6. a connection hole; 7. a movable hole; 8. rotating the column; 9. a lifting hook; 10. a chute; 11. a bearing; 12. a fixing ring; 13. a blocking cover; 14. an operation hole; 15. an adjustment tank; 16. a rotating groove; 17. an operation column; 18. a moving hole; 19. a mounting ring; 20. fixing the column; 21. a clamping ring; 22. a limit groove; 23. a limiting ring; 24. a stabilizing groove; 25. a slide block; 26. a silica gel pad; 27. a bearing column; 28. and (3) a nut.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1, fig. 2, fig. 3 and fig. 4, the trolley for electric transmission line construction maintenance comprises two guard plates 1, two movable holes 7 are formed in the inner bottom surface of the guard plates 1, a pulley 2 is arranged between the guard plates 1, a mounting block 5 is arranged between the guard plates 1, a lifting hook 9 is arranged on the bottom surface of the mounting block 5, an adjusting component is arranged between the guard plates 1 and used for adjusting the flexibility of the pulley 2, the adjusting component comprises a rotary column 4, the rotary column 4 is arranged between the guard plates 1, one side of the guard plates 1 is provided with a rotary hole 3, the rotary column 4 is movably sleeved with the rotary hole 3, one side of the mounting block 5 is provided with a connecting hole 6, the inner bottom surface of the connecting hole 6 is provided with a movable hole 7, the top surface of the lifting hook 9 is fixedly provided with a rotary column 8, the rotary column 8 is movably sleeved with the movable hole 7, the inner circular wall surface of the pulley 2 is provided with a sliding groove 10, two ends of the rotary column 4 are respectively provided with an adjusting groove 15, one side of the adjusting groove 15 is provided with a rotary groove 16, the inner circular wall surface of the adjusting groove 15 is movably sleeved with an operating column 17, the operating column 17 is movably with the rotary groove 16, when the outer circular column 17 is provided with an outer circular column 17, the two inner circular column 19 is provided with an outer circular column 19, the two inner circular column 19 is provided with a movable circular column 19, and an outer circular column 19 is provided with a movable circular ring 19, and an inner circular column 19 is provided with a movable ring 19, a clamping ring 19 is required to be clamped by a movable ring 20, and a fixed circular column 19 is required to be mounted by a movable ring, and a movable ring 19 is required to be mounted by a movable ring, and a movable ring is arranged, and a movable ring 19, and a 19 is required by a holder, and a holder is placed in a holder, and a holder is in a holder, and a holder, and a holder is 20. So that the fixed column 20 can move in the moving hole 18, then the clamping ring 21 can approach to the position of the pulley 2 under the drive of the fixed column 20, and the two clamping rings 21 are mutually close, so that the two clamping rings 21 clamped by the pulley 2 can be mutually close, then the installation ring 19 drives the fixed column 20 and the clamping ring 21 to move through the operation column 17, the clamping ring 21 is tightly attached to the pulley 2, the rotating speed of the pulley 2 can be slowed down through the friction force generated by the contact of the clamping ring 21 and the pulley 2, the clamping force of the clamping ring 21 to the pulley 2 is reduced through loosening the clamping ring 21, so that the rotation of the pulley 2 is slightly accelerated, the rotation of the pulley 2 is conveniently regulated, the construction maintenance is conveniently carried out on the power transmission line, the limit groove 22 is formed in the inner circular wall surface of the regulating groove 15, the limit ring 23 is fixedly sleeved on the outer circular wall surface of the operation column 17, and the limit ring 23 is movably sleeved on the limit groove 22.

Referring to fig. 1, 2, 3 and 4, the inner circular wall surface of the adjusting groove 15 is provided with a stabilizing groove 24, the outer circular wall surface of the mounting ring 19 is fixedly provided with a sliding block 25, the sliding block 25 is in sliding connection with the stabilizing groove 24, one end of the clamping ring 21 is fixedly provided with a silica gel pad 26, the inner circular wall surface of the rotating hole 3 is fixedly sleeved with a bearing 11, the bearing 11 is fixedly sleeved with the rotating column 4, the rotating column 4 is convenient to be assisted to rotate through the arranged bearing 11, the rotating column 4 can drive the pulley 2 to rotate when the pulley 2 is blocked and can not rotate, one side of the guard plate 1 is fixedly provided with a fixing ring 12, the outer circular wall surface of the fixing ring 12 is provided with threads, the outer circular wall surface of the fixing ring 12 is in threaded connection with a blocking cover 13, the inner circular wall surface of the blocking cover 13 is provided with threads, one end of the blocking cover 13 is provided with an operation hole 14, the operation hole 14 is movably sleeved with an operation column 17, one side of the guard plate 1 is provided with a circular through hole, the inner circular wall surfaces of the two circular through holes are movably sleeved with a bearing column 27, one side of the mounting block 5 is provided with a circular through hole, the bearing column 27 is movably sleeved with the circular through hole, the outer circular wall surface of the bearing column 27 is in threaded connection with a nut 28, through the arranged bearing column 27, a worker can remove the fixing of the bearing column 27 by moving the nut 28 out of the outer circular wall surface of the bearing column 27, and then the mounting block 5 and the lifting hook 9 can be detached from the guard plate 1, so that the lifting hook 9 is convenient to detach and maintain.

Working principle: referring to fig. 1-4, through the pulley 2, when the flexibility of the pulley 2 is limited by a worker, the worker does not need to rotate too fast, the operation post 17 is rotated, and then the installation ring 19 can be moved, the fixing post 20 and the clamping ring 21 can be driven to move when the installation ring 19 moves, so that the fixing post 20 can move in the moving hole 18, then the clamping ring 21 can approach to the position of the pulley 2 under the driving of the fixing post 20, and the two clamping rings 21 enter to approach each other, so that the pulley 2 can be clamped between the two clamping rings 21, then the installation ring 19 drives the fixing post 20 and the clamping ring 21 to move through the operation post 17, the clamping ring 21 is clung to the pulley 2, and the friction force generated by the contact of the clamping ring 21 and the pulley 2 can be reduced, so that the rotating speed of the pulley 2 can be slowed down, the clamping force of the clamping ring 21 to the pulley 2 can be reduced, the rotation of the pulley 2 can be slightly accelerated, and the rotation of the pulley 2 can be adjusted conveniently, so that the construction is maintained.

Through the bearing 11 that sets up, the auxiliary rotating post 4 of being convenient for rotates, make pulley 2 block the unable rotation time rotating post 4 can drive pulley 2 rotation, through the bearing 11 that sets up, auxiliary rotating post 4 of being convenient for rotates, make pulley 2 block unable rotation time rotating post 4 can drive pulley 2 rotation, through the spandrel post 27 of setting, the staff shifts out spandrel post 27's outer circular wall through with nut 28, can remove spandrel post 27's fixation, and then can dismantle installation piece 5 and lifting hook 9 out backplate 1, thereby be convenient for dismantle the maintenance to lifting hook 9.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a power transmission line construction service crane pulley which characterized in that includes:

the lifting device comprises two guard plates (1), pulleys (2) are arranged between the two guard plates (1), a mounting block (5) is arranged between the two guard plates (1), and a lifting hook (9) is arranged on the bottom surface of the mounting block (5);

the adjusting part is arranged between the two guard plates (1) and is used for adjusting the flexibility of the pulley (2), and the adjusting part comprises: the rotary column (4), the rotary column (4) sets up two between backplate (1), rotation hole (3) have been seted up to one side of backplate (1), rotation column (4) with rotation hole (3) activity cup joints, connecting hole (6) have been seted up to one side of installation piece (5), movable hole (7) have been seted up to the interior bottom surface of connecting hole (6), the top surface fixed mounting of lifting hook (9) has rotation column (8), rotation column (8) with activity hole (7) activity cup joints, spout (10) have been seted up to the interior wall of pulley (2), adjustment tank (15) have been seted up respectively to the both ends of rotation column (4), rotation tank (16) have been seted up to one side of the inside of adjustment tank (15), operation column (17) with rotation tank (16) activity cup joints, the outer wall of operation column (17) has set up the screw thread, the outer wall of rotation column (4) has set up screw thread (19) in the interior wall of two installation wall (19), the fixed wall of rotation column (19) has been seted up on the fixed wall (19), two clamping rings (21) are movably sleeved on the outer circular wall surface of the rotary column (4), and the clamping rings (21) and the fixed column (20) are fixedly installed.

2. The hoisting tackle for power transmission line construction and repair as claimed in claim 1, wherein: the inner circular wall surface of the adjusting groove (15) is provided with a limiting groove (22), the outer circular wall surface of the operating column (17) is fixedly sleeved with a limiting ring (23), and the limiting ring (23) is movably sleeved with the limiting groove (22).

3. The hoisting tackle for power transmission line construction and repair as claimed in claim 1, wherein:

the inner circular wall surface of the adjusting groove (15) is provided with a stabilizing groove (24), the outer circular wall surface of the mounting ring (19) is fixedly provided with a sliding block (25), and the sliding block (25) is in sliding connection with the stabilizing groove (24).

4. The hoisting tackle for power transmission line construction and repair as claimed in claim 1, wherein: one end of the clamping ring (21) is fixedly provided with a silica gel pad (26).

5. The hoisting tackle for power transmission line construction and repair as claimed in claim 1, wherein: the inner circular wall surface of the rotating hole (3) is fixedly sleeved with a bearing (11), and the bearing (11) is fixedly sleeved with the rotating column (4).

6. The hoisting tackle for power transmission line construction and repair as claimed in claim 1, wherein: one side fixed mounting of backplate (1) has solid fixed ring (12), the external circular wall face of solid fixed ring (12) is seted up the screw thread, the external circular wall face threaded connection of solid fixed ring (12) has to block lid (13), the internal circular wall face that blocks lid (13) is seted up the screw thread, operation hole (14) have been seted up to one end that blocks lid (13), operation hole (14) with operation post (17) activity cup joints.

7. The hoisting tackle for power transmission line construction and repair as claimed in claim 1, wherein: circular through holes are formed in one side of the guard plate (1), bearing columns (27) are movably sleeved on the inner circular wall surfaces of the circular through holes, circular through holes are formed in one side of the mounting block (5), the bearing columns (27) are movably sleeved on the circular through holes, and nuts (28) are connected with the outer circular wall surfaces of the bearing columns (27) in a threaded mode.