Tool for outdoor transformer installation

Abstract

The utility model discloses a tool for outdoor transformer installation, which relates to the technical field of electrical equipment installation, and comprises a hoisting mechanism, the hoisting mechanism comprises a rack, an unreeling machine is fixedly arranged at the upper end of a top plate of the rack, a lifting rope is sleeved on the outer wall of an unreeling roller of the unreeling machine, and the lifting rope is fixed on the rack. The lower end of the lifting rope penetrates through the top plate of the rack and is connected with a clamping mechanism, the clamping mechanism comprises a mounting plate, door frames are fixedly connected to the two sides of the mounting plate, second sliding blocks are fixedly connected to the outer walls of the opposite sides of the two door frames, and sliding grooves are formed in the outer walls of two side plates of the rack; by arranging the mounting plate, the door frame, the second sliding block and the sliding rod, the effect of stably transporting the transformer is achieved, and the problems that in the existing outdoor transformer mounting process, the stability of the transformer cannot be guaranteed and potential safety hazards exist in the transformer hoisting process through a hoisting tool only depending on a traction rope and a lifting hook are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of power equipment installation, and particularly relates to a tool for installing an outdoor transformer. Background Technique

[0002] A transformer is a device that uses the principle of electromagnetic induction to change the AC voltage. Due to the large volume and heavy weight of the transformer, it is extremely inconvenient during the hoisting process of the transformer.

[0003] A patent with the publication number CN216662306U discloses a tool for installing an outdoor transformer, which includes a base. A lifting unit is arranged on the upper surface of the base, a lifting platform is arranged at the top end of the lifting unit, a column is arranged at the center of the upper surface of the lifting platform, a fixing plate is arranged at the top end of the column, a winding and unwinding unit is arranged on the upper surface of the fixing plate near one side of the column, a guiding pulley is arranged on the edge of the upper surface of the fixing plate far from one side of the column, a traction rope is arranged on the winding and unwinding unit, and the outer end of the traction rope bypasses the guiding pulley and extends below the outside of the fixing plate. In this patent, through the combined action of universal wheels, a lifting unit, a winding and unwinding unit, a traction rope, a guiding pulley, a hook, etc., the installation tool is made convenient to move, the height of the whole tool can be automatically adjusted, and the transformer can be automatically lifted and placed when hoisting and placing the transformer.

[0004] However, during the hoisting process of the transformer only by the traction rope and the hook, the stability of the transformer cannot be guaranteed, especially during the movement of the base, there are potential safety hazards. Based on this, we propose an improvement to the tool for installing an outdoor transformer. Content of the Utility Model

[0005] The main purpose of the utility model is to provide a tool for installing an outdoor transformer, which can effectively solve the technical problem that during the installation of the existing outdoor transformer in the background technique, during the hoisting process of the hoisting tool only by the traction rope and the hook, the stability of the transformer cannot be guaranteed and there are potential safety hazards.

[0006] To achieve the above purpose, the technical solution adopted by the utility model is as follows:

[0007] A tool for installing an outdoor transformer includes a hoisting mechanism. The hoisting mechanism includes a frame. A rewinder is fixedly arranged at the upper end of the top plate of the frame. A lifting rope is sleeved on the outer wall of the winding roller of the rewinder. The lower end of the lifting rope penetrates through the top plate of the frame and is connected with a clamping mechanism;

[0008] The clamping mechanism includes a mounting plate. On both sides of the mounting plate, gantries are fixedly connected. On the outer walls of the opposite sides of the two gantries, sliders II are fixedly connected. On the outer walls of the two side plates of the frame, chutes are provided. In the two chutes, sliding rods are fixedly connected. The two sliders II are respectively slidably sleeved on the outer walls of the two sliding rods. The lower end of the clamping mechanism is provided with a transformer body.

[0009] Preferably, on the upper part of the mounting plate near the front and rear positions, a bidirectional lead screw is rotatably connected. On the outer walls of both sides of the two bidirectional lead screws, sliders I are threadedly connected. On the lower end faces of the four sliders I, connecting arms I are rotatably connected. At the other ends of the four connecting arms I, connecting arms II are fixedly connected. At the other ends of the four connecting arms II, clamping hooks are fixedly connected. The transformer body is arranged between the four clamping hooks.

[0010] Preferably, the connection between the connecting arm I and the connecting arm II is rotatably connected to the gantry through a rotating shaft, and the angle between the connecting arm I and the connecting arm II is less than 100°.

[0011] Preferably, in the middle of the mounting plate, a driving shaft is rotatably connected. On the middle part and the outer walls of the front and rear ends of the driving shaft, driven bevel gears I are fixedly sleeved. On the middle outer walls of the two bidirectional lead screws, driven bevel gears II are fixedly sleeved. The two driven bevel gears I at the front and rear ends are respectively meshed with the two driven bevel gears II.

[0012] Preferably, on the upper end of the mounting plate, a motor is fixedly connected. The output end of the motor is fixedly connected with a driving bevel gear. On the outer wall of the output shaft of the driving bevel gear, a driving bevel gear is fixedly sleeved. The driving bevel gear is meshed with the driven bevel gear I sleeved on the middle part of the driving shaft.

[0013] Preferably, on the lower end face of the frame, a sliding frame is fixedly connected. On the lower end face of the sliding frame, a self-locking pulley is rotatably connected.

[0014] The beneficial effects of the present utility model are as follows:

[0015] For this tool for installing an outdoor transformer, by setting up the structures of the mounting plate, gantry, slider II and sliding rod, when the device hoists the transformer body, the slider slides on the outer wall of the sliding rod, which can effectively avoid the shaking problem of the transformer body and improve the stability during hoisting.

[0016] The tool for installing an outdoor transformer, by setting a bidirectional lead screw, a first slider, a motor, a drive shaft, a drive bevel gear, a first driven bevel gear, a second driven bevel gear, a first connecting arm, a second connecting arm and a clamping hook structure, starting the motor, and using the meshing relationship between the drive bevel gear and the first driven bevel gear, and between the first driven bevel gear and the second driven bevel gear, the bidirectional lead screw can be rotated, so as to drive the first slider to move, and further, under the rotational connection relationship of the first connecting arm and the second connecting arm, the clamping hook can clamp the transformer body. Compared with directly hoisting by a hook, the stability of the transformer body during transportation is further improved, which has practicability. Brief Description of the Drawings

[0017] Figure 1 It is a schematic diagram of the main structure of a tool for installing an outdoor transformer according to the present utility model;

[0018] Figure 2 It is a schematic diagram of the side structure of a tool for installing an outdoor transformer according to the present utility model;

[0019] Figure 3 It is a schematic diagram of the clamping mechanism of a tool for installing an outdoor transformer according to the present utility model;

[0020] Figure 4 It is a schematic diagram of the internal structure of the mounting plate of a tool for installing an outdoor transformer according to the present utility model.

[0021] In the figure: 1, lifting mechanism; 11, frame; 12, unwinder; 13, lifting rope; 14, slide bar; 15, carriage; 16, self-locking pulley; 2, clamping mechanism; 21, mounting plate; 22, bidirectional lead screw; 23, first slider; 24, first connecting arm; 25, gantry; 26, second connecting arm; 27, clamping hook; 28, second slider; 29, motor; 210, drive shaft; 211, drive bevel gear; 212, first driven bevel gear; 213, second driven bevel gear; 3, transformer body. Detailed Description of the Embodiments

[0022] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0023] Embodiment 1

[0024] Combined with Figures 1 - 4, A tool for installing outdoor transformers, including a lifting mechanism 1. The lifting mechanism 1 includes a frame 11. At the upper end of the top plate of the frame 11, a reel 12 is fixedly arranged. A lifting rope 13 is sleeved on the outer wall of the reel of the reel 12. The lower end of the lifting rope 13 penetrates through the top plate of the frame 11 and is connected to a clamping mechanism 2.

[0025] The clamping mechanism 2 includes a mounting plate 21. On both sides of the mounting plate 21, gantries 25 are fixedly connected. On the outer walls of the opposite sides of the two gantries 25, sliders two 28 are fixedly connected. On the outer walls of the two side plates of the frame 11, chutes are opened. In the two chutes, slide rods 14 are fixedly connected. The two sliders two 28 are respectively slidably sleeved on the outer walls of the two slide rods 14. At the lower end of the clamping mechanism 2, there is a transformer body 3.

[0026] Refer to Figure 3 and Figure 4 , On the mounting plate 21, two-way lead screws 22 are rotatably connected near the front and rear positions. On the outer walls of both sides of the two two-way lead screws 22, sliders one 23 are threadedly connected. On the lower end faces of the four sliders one 23, connecting arms one 24 are rotatably connected. At the other ends of the four connecting arms one 24, connecting arms two 26 are fixedly connected. At the other ends of the four connecting arms two 26, hooks 27 are fixedly connected. The transformer body 3 is arranged between the four hooks 27. The connection between the connecting arm one 24 and the connecting arm two 26 is rotatably connected to the gantry 25 through a rotating shaft, and the angle between the connecting arm one 24 and the connecting arm two 26 is less than 100°. At the lower end face of the frame 11, a sliding frame 15 is fixedly connected. At the lower end face of the sliding frame 15, a self-locking pulley 16 is rotatably connected.

[0027] Specifically, by rotating the two-way lead screw 22 to control the relative movement of the two sliders one 23, the upper end of the connecting arm one 24 can be driven to move, and then the hook 27 can be driven to move through the connecting arm two 26 to clamp and fix the transformer body 3. Then, by winding the lifting rope 13 with the reel 12 to drive the mounting plate 21 to rise, under the condition that the slider two 28 is slidably sleeved on the slide rod 14, the transformer body 3 can rise stably.

[0028] Embodiment Two

[0029] Refer to Figure 3 and Figure 4, on the basis of the first embodiment, a drive shaft 210 is rotatably connected to the middle of the mounting plate 21. On the outer walls of the middle part, front end and rear end of the drive shaft 210, a first driven bevel gear 212 is fixedly sleeved. On the outer walls of the middle parts of the two bidirectional lead screws 22, a second driven bevel gear 213 is fixedly sleeved. The two first driven bevel gears 212 at the front end and rear end are respectively meshed with the two second driven bevel gears 213. The upper end of the mounting plate 21 is fixedly connected with a motor 29. The output end of the motor 29 is fixedly connected with a drive bevel gear 211. On the outer wall of the output shaft of the drive bevel gear 211, a drive bevel gear 211 is fixedly sleeved. The drive bevel gear 211 is meshed with the first driven bevel gear 212 sleeved on the middle part of the drive shaft 210.

[0030] Specifically, the motor 29 drives the drive bevel gear 211 to rotate, and then the drive bevel gear 211 drives the first driven bevel gear 212 sleeved on the outer wall of the middle part of the drive shaft 210 to rotate. Then, the drive shaft 210 rotates to drive the first driven bevel gears 212 sleeved on the outer walls of its two ends to rotate, and then drives the second driven bevel gear 213 to rotate, and finally drives the bidirectional lead screw 22 to rotate.

[0031] In the actual operation process, the motor 29 drives the drive bevel gear 211 to rotate, and then the drive bevel gear 211 drives the first driven bevel gear 212 sleeved on the outer wall of the middle part of the drive shaft 210 to rotate. Then, the drive shaft 210 rotates to drive the first driven bevel gears 212 sleeved on the outer walls of its two ends to rotate, and then drives the second driven bevel gear 213 to rotate, and then drives the bidirectional lead screw 22 to rotate, and then drives the first slider 23 to move. Then, through the rotational connection relationship between the first connecting arm 24 and the second connecting arm 26, the clamping hook 27 is driven to clamp the transformer body 3. Then, the pay-off reel 12 winds up the lifting rope 13 to lift the mounting plate 21. And during the rising process of the mounting plate 21, the second slider 28 slides on the outer wall of the sliding rod 14 to prevent the transformer body 3 from shaking and improve the lifting stability.

[0032] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed. The scope of protection claimed by the present invention is defined by the appended claims and their equivalents.

Claims

1. A tool for installing an outdoor transformer, comprising a lifting mechanism (1), characterized in that: The lifting mechanism (1) comprises a frame (11), an unwinding machine (12) is fixedly arranged on the upper end of the top plate of the frame (11), a lifting rope (13) is sleeved on the outer wall of the unwinding roller of the unwinding machine (12), and the lower end of the lifting rope (13) passes through the top plate of the frame (11) and is connected to a clamping mechanism (2); The clamping mechanism (2) comprises a mounting plate (21), both sides of which are fixedly connected to door frames (25), and two sliding blocks (28) are fixedly connected to the outer walls of the two door frames (25) on the opposite sides, and two side plates of the frame (11) are provided with sliding grooves on the outer walls, and two sliding bars (14) are fixedly connected in the two sliding grooves, and the two sliding blocks (28) are respectively slidably sleeved on the outer walls of the two sliding bars (14), and the lower end of the clamping mechanism (2) is provided with a transformer body (3).

2. The outdoor transformer installation tool according to claim 1, characterized in that: The upper part of the mounting plate (21) near the front and rear positions is rotatably connected to a bidirectional screw rod (22), the outer walls of both sides of the two bidirectional screw rods (22) are threadedly connected to a slider one (23), the lower end surfaces of the four sliders one (23) are rotatably connected to a connecting arm one (24), the other ends of the four connecting arms one (24) are fixedly connected to a connecting arm two (26), the other ends of the four connecting arms two (26) are fixedly connected to a clamping hook (27), and the transformer body (3) is arranged between the four clamping hooks (27).

3. The outdoor transformer installation tool according to claim 2, characterized in that: The connection point between the connecting arm 1 (24) and the connecting arm 2 (26) is rotatably connected to the door frame (25) via a rotating shaft, and the angle between the connecting arm 1 (24) and the connecting arm 2 (26) is less than 100 degrees.

4. The outdoor transformer installation tool according to claim 2, characterized in that: The middle part of the mounting plate (21) is rotatably connected to a driving shaft (210); a driven bevel gear 1 (212) is fixedly sleeved on the middle part and the front and rear end outer walls of the driving shaft (210); a driven bevel gear 2 (213) is fixedly sleeved on the middle part outer walls of the two bidirectional screw rods (22); the two driven bevel gears 1 (212) located at the front and rear end are respectively meshed with the two driven bevel gears 2 (213).

5. The outdoor transformer installation tool according to claim 4, characterized in that: The upper end of the mounting plate (21) is fixedly connected to a motor (29), the output end of the motor (29) is fixedly connected to a driving bevel gear (211), the outer wall of the output shaft of the driving bevel gear (211) is fixedly sleeved with a driving bevel gear (211), and the driving bevel gear (211) is meshed with a driven bevel gear 1 (212) sleeved on the middle part of the driving shaft (210).

6. The outdoor transformer installation tool according to claim 1, characterized in that: The lower end surface of the frame (11) is fixedly connected to a slide (15), and the lower end surface of the slide (15) is rotatably connected to a self-locking pulley (16).

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