Transformer hoisting device

Abstract

The utility model relates to the technical field of transformer hoisting construction, and discloses a transformer hoisting device, including: a hanger, a screw, a locking frame and a fixing belt; the hanger is made of a steel structure, the screw is screwed to the side of the hanger, and the screw runs through the whole part of the hanger, the locking frame is slidably connected to the hanger, and the screw is screwed to the structure on the locking frame. The transformer hoisting device solves the problem in the prior art that most transformers are only provided with two hoisting holes, generally two hoisting holes are connected at both ends of a fixing belt, and then a hook is used to hook the middle of the fixing belt for lifting. Under the influence of the weight of other equipment and pipelines on the transformer, affected by wind force, or under the condition of uneven ground slope and poor foundation stability, the transformer will have a tilt angle, which affects the insulation structure and mechanical strength of the transformer.

Description

Technical Field

[0001] The utility model relates to the technical field of transformer hoisting construction, in particular to a transformer hoisting device. Background Art

[0002] The transformer is one of the indispensable equipment in the power system. During the installation of the transformer, hoisting is an important installation link. Special care must be taken during hoisting and professional plans must be strictly followed. Correct hoisting construction can ensure the smooth installation of the transformer and ensure construction safety.

[0003] During the transformer hoisting construction process, sufficient preparations need to be made in advance, including the selection and prediction of hoisting equipment. In the existing technology, most transformers are only equipped with two hoisting holes. Generally, the two ends of the fixing belt are connected to the two hoisting holes respectively, and then the middle of the fixing belt is hooked for lifting. Under the influence of the weight of other equipment and pipelines on the transformer, affected by wind force, or under the condition of uneven ground slope and poor foundation stability, the transformer will have a tilt angle, which will affect the insulation structure and mechanical strength of the transformer. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a transformer hoisting device, which solves the problems mentioned in the above background.

[0005] The utility model provides the following technical solutions: a transformer hoisting device, comprising: a hanger, a screw rod, a locking frame and a fixing belt;

[0006] The whole of the hanger is made of steel structure, the screw rod is screwed on the side of the hanger, and the screw rod passes through the whole part of the hanger, the lock frame is slidably connected to the hanger, the screw rod is screwed with the structure on the lock frame, the two ends of the fixing belt span the bottom of the hanger and are respectively connected to the two ends of the lock frame, and the middle part of the fixing belt is passed through the lifting ring of the transformer;

[0007] The tops of the hanger near the four corners are all welded with hanging buckles, and the four hanging buckles are arranged on the hooks through steel cables of equal length.

[0008] Preferably, the screw rod is based on the center, and the threads near the two end surfaces are arranged in opposite directions.

[0009] Preferably, the hanger includes a frame body, a channel steel is welded to the middle of the frame body, the screw rod is located inside the channel steel, and the structure in the middle of the lock frame is slidably connected to the channel steel.

[0010] Preferably, the locking frame includes a first slide and a second slide, a control block is arranged between the first slides, short rods are installed at both ends of the control block, and the two ends of the control block are respectively installed on the first slide and the second slide through the short rods, a sliding rod is installed between the first slide and the second slide, a release block is slidably connected to the surface of the sliding rod, and a screw is screwed between the first slide and the second slide and screwed to the release block.

[0011] Preferably, the first slide bracket includes a first half-slide sleeve, which is slidably connected to the hanger, and a first limiting groove is provided on the surface of the first half-slide sleeve, a positioning bolt is installed inside the first limiting groove, and an end of the fixing belt passes between the positioning bolt and the first limiting groove.

[0012] Preferably, a mounting block is integrally provided on the top of the first half-sliding sleeve, the first limiting groove passes through the bottom of the mounting block, an adapter seat is provided on the side of the mounting block, a first locking pin is provided on the adapter seat of the mounting block, and the end of the fixing belt is sleeved on the first locking pin.

[0013] Preferably, the second slide bracket includes a second half-slide sleeve, which is slidably connected to the hanger, a second limiting groove is provided on the surface of the second half-slide sleeve, a transfer seat is integrally provided on the side of the second half-slide sleeve, a second locking pin is provided on the transfer seat of the second half-slide sleeve, an end of the fixing belt passes through the inner wall of the second limiting groove and is sleeved on the second locking pin, a fixed block is integrally provided on the top of the second half-slide sleeve, and the ends of the sliding rod and the screw rod are both provided on the fixed block.

[0014] Preferably, the release block comprises a pull block, a side of the pull block is integrally provided with a wall seat, an axle rod is installed inside the wall seat, and one end of the fixing belt is folded back through the axle rod and arranged on the first slide.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] 1. The transformer hoisting device uses a steel cable of the same length on the lifting buckle to connect with the hook, so that the hanger can be lifted smoothly during lifting. The length of the fixing belt is controlled by setting a lock frame. During the lifting process, the two fixing belts can be fine-tuned according to the weight of the transformer itself, so that the force of the transformer after lifting is maintained stable, thereby eliminating the influence of environmental factors on the lifting of the transformer. Reasonable planning and implementation can be carried out according to standards and influencing factors to ensure safe and smooth lifting of the transformer.

[0017] 2. The transformer hoisting device, by setting a screw rod, links the lock frames located at both ends of the hanger with the rotation of the screw rod, and then can adjust the distance between the two lock frames according to the size of the hoisted transformer, thereby improving the application range of the hoisting device and avoiding the situation of hoisting tilt due to inaccurate connection position between the hanger and the transformer. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the structure of the hanger of the utility model;

[0020] Figure 3 This is a schematic diagram of the lock frame structure of the utility model;

[0021] Figure 4 This is a schematic diagram of the cross-sectional structure of the first slide of the utility model;

[0022] Figure 5 This is a schematic diagram of the disassembled structure of the second slide of the utility model;

[0023] Figure 6 It is a schematic diagram of the disassembled structure of the loosening block of the utility model.

[0024] In the figure: 1. hanger; 11. frame; 12. channel steel; 2. screw rod; 3. lock frame; 31. first slide; 311. first half slide; 312. first limit groove; 313. positioning bolt; 314. mounting block; 315. first locking pin; 32. second slide; 321. second half slide; 322. second limit groove; 323. second locking pin; 324. fixed block; 33. short rod; 34. shift control block; 35. slide rod; 36. screw rod; 37. release block; 371. shifting block; 372. wall seat; 373. shaft rod; 4. fixing belt; 5. hanging buckle. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] See also Figure 1-6 , a transformer hoisting device, comprising: a hanger 1, a screw rod 2, a locking frame 3 and a fixing belt 4;

[0027] The whole of the hanger 1 is made of steel structure, the screw rod 2 is screwed on the side of the hanger 1, and the screw rod 2 runs through the whole part of the hanger 1, the lock frame 3 is slidably connected to the hanger 1, the screw rod 2 is screwed to the structure on the lock frame 3, the two ends of the fixing belt 4 span the bottom of the hanger 1 and are respectively connected to the two ends of the lock frame 3, and the middle part of the fixing belt 4 is passed through the lifting ring of the transformer;

[0028] Hanging buckles 5 are welded to the top of the hanger 1 near the four corners, and the four hanging buckles 5 are arranged on the hooks through steel cables of equal length.

[0029] Among them, the screw rod 2 takes the center as the base point, and the threads close to the two end surfaces are set in opposite directions. The screw rod 2 is used to control the two lock frames 3 located at the two ends of the hanger 1 to move toward each other, so that during the lifting process, the transformer can be located at the center of the hanger 1 to avoid deviation.

[0030] Among them, the hanger 1 includes a frame body 11, a channel steel 12 is welded in the middle of the frame body 11, the screw rod 2 is located inside the channel steel 12, and the structure in the middle of the lock frame 3 is slidingly connected with the channel steel 12. By setting the channel steel 12, not only the solidity of the hanger 1 can be further increased, but also the screw rod 2 can be protected to avoid the situation where the thread on the surface of the screw rod 2 is damaged during lifting.

[0031] Among them, the locking frame 3 includes a first slide 31 and a second slide 32, a control block 34 is arranged between the first slide 31, short rods 33 are installed at both ends of the control block 34, and the two ends of the control block 34 are respectively installed on the first slide 31 and the second slide 32 through the short rods 33, a slide bar 35 is installed between the first slide 31 and the second slide 32, a release block 37 is slidably connected on the surface of the slide bar 35, a screw 36 is screwed between the first slide 31 and the second slide 32 and is screwed to the release block 37, and the locking frame 3 is used to fine-tune the length of the fixing belt 4 so that the force after the transformer is lifted is maintained in a stable state, thereby eliminating the influence of environmental factors on the lifting of the transformer.

[0032] Among them, the first slide 31 includes a first half slide 311, the first half slide 311 is slidably connected to the hanger 1, and the surface of the first half slide 311 is provided with a first limiting groove 312. A positioning bolt 313 is installed inside the first limiting groove 312. The end of the fixing belt 4 passes through between the positioning bolt 313 and the first limiting groove 312. The first slide 31 is used to lock one end of the fixing belt 4 so that the fixing belt 4 can withstand sufficient force during lifting. At the same time, the fixing belt 4 is restricted in the first limiting groove 312 to maintain a fixed posture of the fixing belt 4 to avoid being rolled up due to the deflection force.

[0033] Among them, a mounting block 314 is integrally provided on the top of the first half sliding sleeve 311, the first limiting groove 312 passes through the bottom of the mounting block 314, an adapter seat is provided on the side of the mounting block 314, and a first locking pin 315 is provided on the adapter seat of the mounting block 314. The end of the fixing belt 4 is sleeved on the first locking pin 315, and the mounting block 314 is used as a fulcrum for the sliding rod 35 and the screw rod 36, so that the sliding rod 35 and the screw rod 36 have the ability to withstand a certain pulling force, thereby controlling the movement of the release block 37.

[0034] Among them, the second slide 32 includes a second half slide 321, the second half slide 321 is slidably connected to the hanger 1, a second limit groove 322 is opened on the surface of the second half slide 321, a transfer seat is integrally provided on the side of the second half slide 321, a second locking pin 323 is provided on the transfer seat of the second half slide 321, the end of the fixing belt 4 is sleeved on the second locking pin 323 through the inner wall of the second limit groove 322, a fixed block 324 is integrally provided on the top of the second half slide 321, the ends of the slide rod 35 and the screw rod 36 are both arranged on the fixed block 324, the second slide 32 is used to lock the other end of the fixing belt 4, so that the fixing belt 4 can be quickly locked and disassembled, and at the same time, it cooperates with the first slide 31 to limit the end position of the fixing belt 4 so that the fixing belt 4 maintains a fixed unfolded posture.

[0035] Among them, the release block 37 includes a moving and pulling block 371, and a wall seat 372 is integrally arranged on the side of the moving and pulling block 371. An axle rod 373 is installed inside the wall seat 372. One end of the fixing belt 4 is folded back and arranged on the first slide 31 through the axle rod 373. The release block 37 is used to pull the folded part of one end of the fixing belt 4, and then the length of the fixing belt 4 for suspending the transformer is adjusted, so that the lifting and tilting condition of the transformer is under the control of the staff.

[0036] Working principle: When hoisting the transformer, first set the hooks 5 at the four corners of the hanger 1 on the hook of the crane through steel cables. Make sure that the hanger 1 is in a stable state during lifting. Then hang the hanger 1 directly above the transformer, rotate the screw rod 2 to control the spacing of the lock frame 3, so that the lock frame 3 is just above the transformer lifting ring, then use the fixing belt 4 to pass through the transformer lifting ring and install it on the end of the lock frame 3, then lift it slightly to observe the inclination of the transformer, and then use the lock frame 3 to adjust the length of the fixing belt 4 to ensure the stable lifting of the transformer.

[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A transformer hoisting device, characterized in that: include: A hanger (1), a screw rod (2), a locking frame (3) and a fixing belt (4); The entire hanger (1) is made of a steel structure, the screw rod (2) is screwed to the side of the hanger (1), and the screw rod (2) passes through the entire part of the hanger (1), the lock frame (3) is slidably connected to the hanger (1), the screw rod (2) and the structure on the lock frame (3) are screwed, the two ends of the fixing belt (4) span the bottom of the hanger (1) and are respectively connected to the two ends of the lock frame (3), and the middle part of the fixing belt (4) is passed through the lifting ring of the transformer; The top of the hanger (1) near the four corners is welded with a hanging buckle (5), and the four hanging buckles (5) are arranged on the hook through steel cables of equal length.

2. A transformer hoisting device according to claim 1, characterized in that: The screw rod (2) takes the center as a base point, and the threads close to the surfaces at both ends are arranged in opposite directions.

3. A transformer hoisting device according to claim 1, characterized in that: The hanger (1) comprises a frame body (11), a channel steel (12) is welded to the middle of the frame body (11), the screw rod (2) is located inside the channel steel (12), and the structure in the middle of the lock frame (3) is slidably connected to the channel steel (12).

4. A transformer hoisting device according to claim 1, characterized in that: The lock frame (3) comprises a first slide (31) and a second slide (32); a control block (34) is arranged between the first slides (31); short rods (33) are installed at both ends of the control block (34); and the two ends of the control block (34) are respectively installed on the first slide (31) and the second slide (32) through the short rods (33); a slide rod (35) is installed between the first slide (31) and the second slide (32); a release block (37) is slidably connected to the surface of the slide rod (35); and a screw (36) is screwed between the first slide (31) and the second slide (32) and is screwed to the release block (37).

5. A transformer hoisting device according to claim 4, characterized in that: The first sliding frame (31) comprises a first half sliding sleeve (311), the first half sliding sleeve (311) is slidably connected to the hanger (1), a first limiting groove (312) is provided on the surface of the first half sliding sleeve (311), a positioning bolt (313) is installed inside the first limiting groove (312), and an end of the fixing belt (4) passes between the positioning bolt (313) and the first limiting groove (312).

6. A transformer hoisting device according to claim 5, characterized in that: A mounting block (314) is integrally provided on the top of the first half-sliding sleeve (311), the first limiting groove (312) passes through the bottom of the mounting block (314), a transfer seat is provided on the side of the mounting block (314), a first locking pin (315) is provided on the transfer seat of the mounting block (314), and an end of the fixing belt (4) is sleeved on the first locking pin (315).

7. A transformer hoisting device according to claim 4, characterized in that: The second slide (32) comprises a second half-slide (321), the second half-slide (321) is slidably connected to the hanger (1), a second limit groove (322) is provided on the surface of the second half-slide (321), a transfer seat is integrally provided on the side of the second half-slide (321), a second locking pin (323) is provided on the transfer seat of the second half-slide (321), an end of the fixing belt (4) passes through the inner wall of the second limit groove (322) and is sleeved on the second locking pin (323), a fixed block (324) is integrally provided on the top of the second half-slide (321), and the ends of the sliding rod (35) and the screw rod (36) are both provided on the fixed block (324).

8. A transformer hoisting device according to claim 4, characterized in that: The release block (37) comprises a pull-and-shift block (371), a side of the pull-and-shift block (371) being integrally provided with a wall seat (372), an interior of the wall seat (372) being provided with a shaft (373), and one end of the fixing belt (4) being folded back through the shaft (373) and provided on the first slide frame (31).

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