Lifting bracket for maintenance box of box transformer substation
By designing a lifting bracket for the maintenance box of the box-type transformer, and using a motor to drive the winding drum and pulley structure to lift the maintenance box, the problem of difficulty in carrying the maintenance box is solved, the maintenance efficiency is improved and transportation is facilitated.
Patent Information
- Application Number
- CN202422984520.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-04
- Publication Date
- 2025-09-23
- Estimated Expiration
- 2034-12-04
AI Technical Summary
When maintenance personnel perform maintenance on top of a box-type transformer, it is inconvenient to carry the maintenance box, which makes maintenance operations difficult.
A lifting bracket for the transformer maintenance box is designed, which includes a lifting structure and an auxiliary structure. The motor drives the rotating shaft to drive the reel to retract and release the pull rope, and cooperates with the pulley and fixed block to lift the placement plate. The auxiliary structure is detachable to reduce transportation space.
The maintenance box can be easily lifted, which is convenient for maintenance operations and improves work efficiency. It also reduces the space occupied by the equipment when it is not needed and is easy to transport.
Smart Images

Figure CN223372667U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of box-type transformer maintenance, and in particular relates to a lifting bracket for a box-type transformer maintenance box. Background Art
[0002] A box-type transformer is a box-type transformer, which integrates a complete set of power distribution equipment such as traditional transformers, load switches and protection devices of the high-voltage power receiving part, and low-voltage distribution devices into a box-type shell. It has a very compact structure and has the advantages of small size, small footprint, and low investment. The box-type transformer is fixed in a small space in the machine room. The space between the transformer and the wall panel of the machine room only allows one person to pass through. When maintenance personnel are repairing the top of the box-type transformer, it is inconvenient to carry the maintenance box, which brings great difficulties to maintenance personnel in repairing the cable equipment above the transformer. For this reason, we have proposed a box-type transformer maintenance box lifting bracket. Utility Model Content
[0003] In order to overcome the above-mentioned technical problems, the purpose of the present utility model is to provide a lifting bracket for a box-type transformer maintenance box to solve the problem raised in the above-mentioned background technology that it is inconvenient for maintenance personnel to carry the maintenance box when repairing the top of the box-type transformer, which brings great difficulties to the maintenance personnel in performing maintenance operations on the cable equipment on the upper part of the transformer.
[0004] The top of the column is movably connected to the pulley seat, and the bottom of the pulley seat is fixedly connected to the fixed shaft, and the surface of the fixed shaft is rotatably connected to the pulley body, and the bottom of the column is fixedly connected to the threaded rod 2, and the surface of the fixed shaft is rotatably connected to the pulley body. The bottom of the column is fixedly connected to the threaded rod 2, and the surface of the column is movably connected to the placement plate, and the surface of the placement plate is fixedly connected to four sets of fixed blocks, and the surface of the placement plate is fixedly connected to four sets of auxiliary wheel groups.
[0005] Preferably, the lifting structure is symmetrically arranged in two groups on the surface of the base plate, one end of the pull rope is fixedly connected to the winding drum and wound around the surface of the winding drum, and the other end of the pull rope is fixedly connected to the surface of the fixed block.
[0006] Preferably, a groove matching the pull rope is provided on the surface of the pulley body, and the pull rope is slidably connected in the groove.
[0007] Preferably, the auxiliary structure is symmetrically arranged in four groups on the surface of the base plate, and the surface of the base plate is provided with four groups of thread grooves 1 matching the threaded rods 2, and the four groups of threaded rods 2 are rotatably connected in the four groups of thread grooves 1 respectively.
[0008] Preferably, a second thread groove matching the first threaded rod is formed on the top of the column, and the first threaded rod is rotatably connected in the second thread groove.
[0009] Preferably, four groups of square grooves are opened on the surface of the placement plate, the placement plate is slidably connected to the surface of the column through the square grooves, and the auxiliary wheel group is fixedly connected to the inner wall of the square groove.
[0010] Preferably, the auxiliary wheel set is T-shaped, one set of the auxiliary wheel set includes four sets of auxiliary wheels, two sets of sliding grooves are symmetrically opened on the surface of the column, and the auxiliary wheel set is slidably connected in the sliding grooves.
[0011] Compared with the prior art, the beneficial effects of the present invention are:
[0012] 1. This type of box-type transformer maintenance box lifting bracket is equipped with a lifting structure. The motor drives the rotating shaft to rotate, so that when the reel reels the pull rope, the pull rope cooperates with the pulley body to lift the placement plate through the fixed block, so as to lift the maintenance box on the placement plate to a suitable height, thereby assisting maintenance personnel in maintenance, making it easier for maintenance personnel to carry the maintenance box and improving work efficiency. At the same time, when the placement plate slides on the column, the auxiliary wheel group reduces the friction between the placement plate and the column, making the movement smoother.
[0013] 2. The lifting bracket of the transformer maintenance box is provided with an auxiliary structure. The column can be installed on the surface of the base plate through the second threaded rod, and the pulley seat is installed on the top of the column through the first threaded rod. The various parts of the auxiliary structure are simple and convenient to install and disassemble. When the lifting bracket is transported, the auxiliary structure can be removed to reduce the space occupied by the lifting bracket, which is convenient for transportation of the lifting bracket. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 This is a schematic front view of the structure of the present utility model;
[0015] Figure 2 This is a front view dynamic schematic diagram of the structure of the utility model;
[0016] Figure 3 It is a schematic side view of a local structure of the utility model;
[0017] Figure 4 This is a partial exploded schematic diagram of the auxiliary structure of the utility model;
[0018] Figure 5This is a partial structural explosion diagram of the lifting structure and auxiliary structure of the utility model.
[0019] In the figure: 1. Base plate; 2. Universal wheel; 3. Lifting structure; 31. Motor; 32. Rotating shaft; 33. Winding drum; 34. Pull rope; 4. Auxiliary structure; 41. Column; 42. Pulley seat; 43. Threaded rod 1; 44. Fixed shaft; 45. Pulley body; 46. Threaded rod 2; 5. Placement plate; 6. Fixed block; 7. Auxiliary wheel set. DETAILED DESCRIPTION
[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0021] See also Figure 1-5 , an embodiment provided by the utility model:
[0022] A box-type transformer maintenance box lifting bracket comprises a base plate 1, the bottom of the base plate 1 is fixedly connected to four groups of universal wheels 2, the surface of the base plate 1 is provided with a lifting structure 3, the lifting structure 3 comprises a motor 31, the output end of the motor 31 is fixedly connected to a rotating shaft 32, the surface of the rotating shaft 32 is fixedly connected to two groups of winding drums 33, the surface of the winding drum 33 is fixedly connected to a pull rope 34, the surface of the base plate 1 is provided with an auxiliary structure 4, the auxiliary structure 4 comprises a column 41, the top of the column 41 is movably connected to a pulley seat 42, the bottom of the pulley seat 42 is fixedly connected to a threaded rod 1 43, the surface of the pulley seat 42 is fixedly connected to a fixed shaft 44, the surface of the fixed shaft 44 is rotatably connected to a pulley body 45, the bottom of the column 41 is fixedly connected to a threaded rod 2 46, the surface of the column 41 is movably connected to a placement plate 5, the surface of the placement plate 5 is fixedly connected to four groups of fixed blocks 6, the surface of the placement plate 5 is fixedly connected to four groups of auxiliary The auxiliary wheel group 7 is provided with a lifting structure 3. The motor 31 drives the rotating shaft 32 to rotate. When the winding drum 33 reels the pull rope 34, the pull rope 34 cooperates with the pulley body 45 to lift the placement plate 5 through the fixed block 6, so that the maintenance box on the placement plate 5 is lifted to a suitable height, thereby assisting the maintenance personnel to carry out maintenance, facilitating the maintenance personnel to carry the maintenance box, and improving work efficiency. At the same time, when the placement plate 5 slides on the column 41, the auxiliary wheel group 7 reduces the friction between the placement plate 5 and the column 41 to make the movement smoother. An auxiliary structure 4 is provided. The column 41 can be mounted on the surface of the base plate 1 through the threaded rod 2 46, and the pulley seat 42 is mounted on the top of the column 41 through the threaded rod 1 43. The various parts of the auxiliary structure 4 are simple and convenient to install and disassemble. When the lifting bracket is transported, the auxiliary structure 4 can be removed to reduce the space occupied by the lifting bracket, which is convenient for transportation of the lifting bracket.
[0023] Furthermore, the lifting structure 3 has two groups symmetrically arranged on the surface of the base plate 1. One end of the pull rope 34 is fixedly connected to the winding drum 33 and wound around the surface of the winding drum 33. The other end of the pull rope 34 is fixedly connected to the surface of the fixed block 6. The motor 31 drives the rotating shaft 32 to rotate, so that the winding drum 33 reels the pull rope 34, thereby pulling the fixed block 6.
[0024] Furthermore, a groove matching the pull rope 34 is provided on the surface of the pulley body 45, and the pull rope 34 is slidably connected in the groove. The motor 31 drives the rotating shaft 32 to rotate, so that the winding drum 33 reels the pull rope 34. The pull rope 34 cooperates with the pulley body 45 to lift the placement plate 5 through the fixed block 6.
[0025] Furthermore, the auxiliary structure 4 is symmetrically arranged in four groups on the surface of the base plate 1. The surface of the base plate 1 is provided with four groups of threaded grooves 1 that match the threaded rods 2 46. The four groups of threaded rods 2 46 are respectively rotatably connected in the four groups of threaded grooves 1. The column 41 can be installed on the surface of the base plate 1 through the threaded rods 2 46, which facilitates the installation and disassembly of the column 41.
[0026] Furthermore, a threaded groove 2 matching the threaded rod 1 43 is provided at the top of the column 41, and the threaded rod 1 43 is rotatably connected in the threaded groove 2. The pulley seat 42 is installed on the top of the column 41 through the threaded rod 1 43, which facilitates the installation and disassembly of the pulley seat 42.
[0027] Furthermore, four groups of square grooves are opened on the surface of the placement plate 5, and the placement plate 5 is slidably connected to the surface of the column 41 through the square grooves. The auxiliary wheel group 7 is fixedly connected to the inner wall of the square groove. When the pull rope 34 pulls the fixed block 6 to lift the placement plate 5, the placement plate 5 moves along the surface of the column 41 through the square grooves.
[0028] Furthermore, the auxiliary wheel group 7 is T-shaped, and one group of auxiliary wheel groups 7 includes four groups of auxiliary wheels. Two groups of sliding grooves are symmetrically opened on the surface of the column 41. The auxiliary wheel group 7 is slidably connected in the sliding groove. When the placement plate 5 slides on the column 41, the auxiliary wheel group 7 reduces the friction between the placement plate 5 and the column 41, making the movement smoother.
[0029] Working principle: before use, the column 41 is installed on the surface of the base plate 1 through the threaded rod 2 46, and the pulley seat 42 is installed on the top of the column 41 through the threaded rod 1 43. The motor 31 drives the rotating shaft 32 to rotate, and the pull rope 34 is unwound, and the pull rope 34 is engaged in the groove on the surface of the pulley body 45. When in use, the lifting bracket is moved to a suitable position through the universal wheel 2, and the maintenance box is placed on the surface of the placement plate 5. The motor 31 drives the rotating shaft 32 to rotate so that the winding drum 33 rewinds the pull rope 34, and the pull rope 34 cooperates with the pulley body 45 to lift the placement plate 5 through the fixed block 6, so that the maintenance box on the placement plate 5 is lifted to a suitable height, which is convenient for maintenance personnel to carry the maintenance box and improve work efficiency. When the lifting bracket is transported, the auxiliary structure 4 can be removed to reduce the space occupied by the lifting bracket, which is convenient for transportation of the lifting bracket.
[0030] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.
Claims
1. A lifting bracket for a transformer maintenance box, comprising a bottom plate (1), characterized in that: The bottom of the base plate (1) is fixedly connected to four sets of universal wheels (2); the surface of the base plate (1) is provided with a lifting structure (3); the lifting structure (3) comprises a motor (31); the output end of the motor (31) is fixedly connected to a rotating shaft (32); the surface of the rotating shaft (32) is fixedly connected to two sets of winding drums (33); the surface of the winding drum (33) is fixedly connected to a pull rope (34); the surface of the base plate (1) is provided with an auxiliary structure (4); the auxiliary structure (4) comprises a column (41); the top of the column (41) is movable The column (41) is movably connected to a pulley seat (42), the bottom of the pulley seat (42) is fixedly connected to a threaded rod (43), the surface of the pulley seat (42) is fixedly connected to a fixed shaft (44), the surface of the fixed shaft (44) is rotatably connected to a pulley body (45), the bottom of the column (41) is fixedly connected to a threaded rod (46), the surface of the column (41) is movably connected to a placement plate (5), the surface of the placement plate (5) is fixedly connected to four groups of fixed blocks (6), and the surface of the placement plate (5) is fixedly connected to four groups of auxiliary wheel groups (7).
2. The lifting bracket for the maintenance box of a box-type transformer according to claim 1, characterized in that: The lifting structure (3) is symmetrically provided with two groups on the surface of the base plate (1); one end of the pull rope (34) is fixedly connected to the winding drum (33) and wound around the surface of the winding drum (33); the other end of the pull rope (34) is fixedly connected to the surface of the fixed block (6).
3. The lifting bracket for the maintenance box of a box-type transformer according to claim 1, characterized in that: A groove matching the pull rope (34) is provided on the surface of the pulley body (45), and the pull rope (34) is slidably connected in the groove.
4. The lifting bracket for the maintenance box of a box-type transformer according to claim 1, characterized in that: The auxiliary structure (4) is symmetrically arranged in four groups on the surface of the base plate (1), and the surface of the base plate (1) is provided with four groups of thread grooves 1 that match the threaded rods 2 (46), and the four groups of threaded rods 2 (46) are rotatably connected in the four groups of thread grooves 1 respectively.
5. The lifting bracket for the maintenance box of a box-type transformer according to claim 1, characterized in that: The top of the column (41) is provided with a second thread groove matching the first thread rod (43), and the first thread rod (43) is rotatably connected in the second thread groove.
6. The lifting bracket for the maintenance box of a box-type transformer according to claim 1, characterized in that: Four groups of square grooves are provided on the surface of the placement plate (5), and the placement plate (5) is slidably connected to the surface of the column (41) through the square grooves, and the auxiliary wheel group (7) is fixedly connected to the inner wall of the square groove.
7. The lifting bracket for the maintenance box of a box-type transformer according to claim 1, characterized in that: The auxiliary wheel set (7) is T-shaped, and one set of the auxiliary wheel set (7) includes four sets of auxiliary wheels. Two sets of sliding grooves are symmetrically opened on the surface of the column (41), and the auxiliary wheel set (7) is slidably connected in the sliding grooves.