Lifting equipment for substation maintenance

Abstract

The utility model discloses power transformation maintenance hoisting equipment which comprises a movable frame, universal wheels are installed at the four corners of the bottom end of the movable frame, a driving wheel is installed in the middle of one side wall of the movable frame, a hand wheel is fixed to the driving wheel, and a belt is arranged on the driving wheel in a sleeved mode. The transformer clamping device has the advantages that a synchronous adjusting mechanism composed of the driving wheel, the belt, the driven wheel, the two-way screw, the guide rod and the movable seat is arranged, when a transformer is clamped, the hand wheel only needs to drive the driving wheel to rotate, the driving wheel drives the driven wheel to rotate through the belt, and the driven wheel drives the two-way screw to rotate; and at the moment, the movable seat drives the clamping plate to move under the action of the threads and the guide rods, then the hoisted transformer is clamped and fixed, and in this way, the fixing process is simple, the fixing efficiency is high, operation of workers is facilitated, and the using effect of the device is effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of lifting devices, in particular to a lifting device for substation maintenance. Background Art

[0002] Substation maintenance is responsible for inspecting, replacing, and debugging circuit breakers and disconnectors, and repairing transformers, mutual inductors and other substation equipment to ensure that they meet the quality standards required for safe operation. When replacing power equipment components during substation maintenance in the outdoor area of ​​the substation, a lifting device is required.

[0003] Patent No. CN202021222585.9 discloses a lifting device for substation maintenance, including a universal wheel, a moving mechanism is arranged above the universal wheel, and a lifting mechanism is installed on the moving mechanism. The moving mechanism includes a base frame, a side plate, and a threaded rotating rod. The side plate is arranged on the base frame, and the threaded rotating rod is installed on the side plate. A splint is arranged at one end of the threaded rotating rod, and a support frame is arranged above the base frame.

[0004] Although the above patent has a simple structure, reasonable design, low production cost, flexible movement, small size, can adapt to narrow spaces, and is convenient for lifting substation equipment, it can also be well fixed to prevent it from shaking and damage, and is highly practical. However, when clamping and fixing the transformer, two sets of screws need to be operated in steps to complete the fixation of the transformer, resulting in low fixing efficiency and cumbersome fixing process, which affects the operating performance of the device. Therefore, a substation maintenance lifting device is urgently needed to solve the above problems. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] The technical problem to be solved by the utility model is aimed at the current status of the existing technology. Now a substation maintenance lifting device is provided, which is easy for staff to operate, can synchronously drive the clamping plate to fix the transformer, has high fixing efficiency and simple fixing process.

[0007] (II) Technical solution

[0008] The utility model is achieved through the following technical scheme: the utility model proposes a substation maintenance lifting equipment, including a moving frame, universal wheels are installed at the four corners of the bottom end of the moving frame, a driving wheel is installed in the middle of one side wall of the moving frame, a hand wheel is fixed on the driving wheel, a belt is sleeved on the driving wheel, a driven wheel is arranged at one end of the belt, a bidirectional screw is fixed on the driven wheel, two groups of moving seats are symmetrically sleeved on the bidirectional screw, a guide rod is installed inside the other end of the moving seat, a clamping plate is fixed in the middle of the bottom end of the moving seat, and a fixing pin is arranged on the hand wheel.

[0009] Furthermore, the universal wheel is connected to the movable frame via screws, the driving wheel is rotatably connected to the movable frame, and the hand wheel is welded to the driving wheel.

[0010] By adopting the above technical solution, the universal wheel facilitates the movement of the device, and the hand wheel can drive the driving wheel to rotate.

[0011] Furthermore, the belts are nested on the driving wheel and the driven wheel.

[0012] By adopting the above technical solution, the driving wheel drives the driven wheel to rotate through the belt.

[0013] Furthermore, one end of the bidirectional screw is rotatably connected to the moving frame, the other end of the bidirectional screw is fixedly connected to the driven wheel, and the guide rod is welded to the moving frame.

[0014] By adopting the above technical solution, the driven wheel drives the bidirectional screw to rotate, and the guide rod limits and guides the movement of the movable seat.

[0015] Furthermore, the movable seat is connected to the bidirectional screw by threads, the guide rod passes through the movable seat, and the clamping plate is connected to the movable seat by screws.

[0016] By adopting the above technical solution, during the rotation of the bidirectional screw, the movable seat drives the clamping plate to move under the action of the thread and the guide rod, thereby clamping and fixing the hoisted transformer.

[0017] Furthermore, the fixing pin is plugged into the hand wheel, and a plug-in hole is reserved at a position of the movable frame corresponding to the fixing pin.

[0018] By adopting the above technical solution, the hand wheel can be fixed by inserting the fixing pin into the reserved plug hole, and then the driving wheel can be fixed.

[0019] Furthermore, two groups of supports are welded to the top of the movable frame, a winding drum is installed between the supports, a motor is arranged on one side wall of the support, the output shaft of the motor is fixedly connected to the winding drum, a steel wire rope is wound on the winding drum, a bracket is welded to the middle part of the top of the movable frame, a fixed pulley is rotatably installed between the brackets, the steel wire rope is overlapped with the fixed pulley, and a hook is fixed to one end of the steel wire rope.

[0020] By adopting the above technical solution, the hook is connected to one end of the transformer, and the motor reels the wire rope through the reel, thereby lifting the transformer. During the reeling process, the fixed pulley limits and guides the wire rope.

[0021] (III) Beneficial effects

[0022] Compared with the prior art, the utility model has the following beneficial effects:

[0023] In order to solve the problem that the existing substation maintenance lifting equipment needs to operate two sets of screws in steps to complete the fixation of the transformer when clamping and fixing the transformer, resulting in low fixing efficiency and cumbersome fixing process, which affects the operating performance of the device, the utility model provides a synchronous adjustment mechanism composed of a driving wheel, a belt, a driven wheel, a bidirectional screw, a guide rod and a moving seat. When clamping the transformer, it is only necessary to drive the driving wheel to rotate through the handwheel, and the driving wheel drives the driven wheel to rotate through the belt, and the driven wheel drives the bidirectional screw to rotate. At this time, the moving seat drives the clamping plate to move under the action of the thread and the guide rod, and then clamps and fixes the hoisted transformer. This method not only has a simple fixing process and high fixing efficiency, but also is easy for staff to operate, effectively improving the use effect of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a structural schematic diagram of a substation maintenance lifting device described in the utility model;

[0025] Figure 2 It is a structural schematic diagram of a synchronous adjustment mechanism in a substation maintenance lifting device described in the utility model;

[0026] Figure 3 It is a front view of a hook in a substation maintenance lifting device described in the utility model.

[0027] The following are the descriptions of the reference numerals:

[0028] 1. Fixing pin; 2. Universal wheel; 3. Clamping plate; 4. Moving frame; 5. Support; 6. Winding drum; 7. Wire rope; 8. Guide rod; 9. Fixed pulley; 10. Moving seat; 11. Bracket; 12. Bidirectional screw; 13. Motor; 14. Driven wheel; 15. Belt; 16. Driving wheel; 17. Handwheel; 18. Hook. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0030] like Figure 1-Figure 3As shown, a substation maintenance lifting device in this embodiment includes a mobile frame 4, and universal wheels 2 are installed at the four corners of the bottom end of the mobile frame 4. A driving wheel 16 is installed in the middle of one side wall of the mobile frame 4. A hand wheel 17 is fixed on the driving wheel 16. The universal wheel 2 facilitates the movement of the device. The hand wheel 17 can drive the driving wheel 16 to rotate. A belt 15 is sleeved on the driving wheel 16. A driven wheel 14 is arranged at one end of the belt 15. The driving wheel 16 drives the driven wheel 14 to rotate through the belt 15. A bidirectional Screw 12, two sets of moving seats 10 are symmetrically sleeved on the bidirectional screw 12, a guide rod 8 is installed inside the other end of the moving seat 10, the driven wheel 14 drives the bidirectional screw 12 to rotate, the guide rod 8 limits and guides the movement of the moving seat 10, a clamping plate 3 is fixed to the middle part of the bottom end of the moving seat 10, and a fixing pin 1 is provided on the handwheel 17. During the rotation of the bidirectional screw 12, the moving seat 10 drives the clamping plate 3 to move under the action of the thread and the guide rod 8, thereby clamping and fixing the hoisted transformer.

[0031] like Figure 1-Figure 3 As shown, in this embodiment, the universal wheel 2 is connected to the movable frame 4 by screws, the driving wheel 16 is rotatably connected to the movable frame 4, the hand wheel 17 is welded to the driving wheel 16, the belt 15 is nested on the driving wheel 16 and the driven wheel 14, one end of the bidirectional screw 12 is rotatably connected to the movable frame 4, the other end of the bidirectional screw 12 is fixedly connected to the driven wheel 14, the guide rod 8 is welded to the movable frame 4, the movable seat 10 is connected to the bidirectional screw 12 by threads, the guide rod 8 passes through the movable seat 10, and the clamping plate 3 is connected to the movable seat 10 by screws.

[0032] like Figure 1-Figure 3 As shown, in this embodiment, the fixing pin 1 is plugged into the hand wheel 17, and a plug-in hole is reserved at the position of the movable frame 4 corresponding to the fixing pin 1. The fixing pin 1 is inserted into the reserved plug-in hole to fix the hand wheel 17, and then the driving wheel 16 is fixed. Two groups of supports 5 are welded on the top of the movable frame 4, and a winding drum 6 is installed between the supports 5. A motor 13 is arranged on one side wall of the support 5, and the output shaft of the motor 13 is fixedly connected to the winding drum 6. A wire rope 7 is wound on the winding drum 6. A bracket 11 is welded at the middle part of the top of the movable frame 4, and a fixed pulley 9 is rotatably installed between the brackets 11. The wire rope 7 is overlapped with the fixed pulley 9. A hook 18 is fixed at one end of the wire rope 7, and the hook 18 is connected to one end of the transformer. The motor 13 winds the wire rope 7 through the winding drum 6, and then the transformer is lifted. During the winding process, the fixed pulley 9 limits and guides the wire rope 7.

[0033] The specific implementation process of this embodiment is as follows: when in use, the device is moved to the transformer through the universal wheel 2 and connected to one end of the transformer through the hook 18. Then the motor 13 reels the wire rope 7 through the reel 6, and then lifts the transformer. During the reeling process, the fixed pulley 9 limits and guides the wire rope 7. After the lifting is completed, the hand wheel 17 drives the active wheel 16 to rotate, and the active wheel 16 drives the driven wheel 14 to rotate through the belt 15. The driven wheel 14 drives the bidirectional screw 12 to rotate. At this time, the moving seat 10 drives the clamping plate 3 to move under the action of the thread and the guide rod 8, and then clamps and fixes the hoisted transformer. This method not only has a simple fixing process and high fixing efficiency, but also is convenient for the staff to operate. Finally, the moving device is used to move the transformer to the installation position.

[0034] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A substation maintenance lifting equipment, characterized in that: The invention comprises a movable frame (4), wherein universal wheels (2) are installed at four corners of the bottom end of the movable frame (4), a driving wheel (16) is installed in the middle of one side wall of the movable frame (4), a hand wheel (17) is fixed on the driving wheel (16), a belt (15) is sleeved on the driving wheel (16), one end of the belt (15) is provided with a driven wheel (14), a bidirectional screw rod (12) is fixed on the driven wheel (14), two groups of movable seats (10) are symmetrically sleeved on the bidirectional screw rod (12), a guide rod (8) is installed inside the other end of the movable seat (10), a clamping plate (3) is fixed in the middle of the bottom end of the movable seat (10), and a fixing pin (1) is provided on the hand wheel (17).

2. A substation maintenance lifting equipment according to claim 1, characterized in that: The universal wheel (2) is connected to the movable frame (4) via screws, the driving wheel (16) is rotatably connected to the movable frame (4), and the hand wheel (17) is welded to the driving wheel (16).

3. A substation maintenance lifting equipment according to claim 1, characterized in that: The belts (15) are both nested on the driving wheel (16) and the driven wheel (14).

4. A substation maintenance lifting equipment according to claim 1, characterized in that: One end of the bidirectional screw (12) is rotatably connected to the moving frame (4), the other end of the bidirectional screw (12) is fixedly connected to the driven wheel (14), and the guide rod (8) is welded to the moving frame (4).

5. A substation maintenance lifting equipment according to claim 4, characterized in that: The movable seat (10) is connected to the bidirectional screw (12) via threads, the guide rod (8) passes through the movable seat (10), and the clamping plate (3) is connected to the movable seat (10) via screws.

6. A substation maintenance lifting equipment according to claim 5, characterized in that: The fixing pin (1) is plugged into the hand wheel (17), and a plugging hole is reserved at a position of the movable frame (4) corresponding to the fixing pin (1).

7. A substation maintenance lifting equipment according to claim 6, characterized in that: Two groups of supports (5) are welded to the top of the movable frame (4), a winding drum (6) is installed between the supports (5), a motor (13) is arranged on one side wall of the support (5), the output shaft of the motor (13) is fixedly connected to the winding drum (6), a steel wire rope (7) is wound on the winding drum (6), a bracket (11) is welded to the middle of the top of the movable frame (4), a fixed pulley (9) is rotatably installed between the brackets (11), the steel wire rope (7) is overlapped with the fixed pulley (9), and a hook (18) is fixed to one end of the steel wire rope (7).

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