Installation crane convenient to adjust and used for mechanical and electrical installation

Abstract

The utility model provides a convenient-to-adjust installation crane for electromechanical installation, and relates to the technical field of electromechanical installation cranes, the convenient-to-adjust installation crane comprises a steel wire rope, the tail end of the steel wire rope is divided into four parts and is connected with a lifting disc, and the edge of the bottom surface of the lifting disc is rotatably connected with coiling discs which are distributed in an annular array; the winding reel winding shaft extends outwards and is fixedly connected with a worm wheel, a traction rope is wound on the winding reel winding shaft, a steel wire rope is wound and released through a crane, the winding reel winding shaft on the periphery of the lower surface of the lifting disc rotates to achieve winding or releasing of the traction rope, and the lifting disc is suspended above electromechanical equipment through the steel wire rope. And the traction ropes are released through the winding roll, so that the personnel can connect the traction ropes to the periphery of the electromechanical equipment below the electromechanical equipment conveniently, the lifting disc can be lifted through the steel wire rope, the electromechanical equipment is lifted through the traction ropes, climbing operation of the personnel is not needed, and connection is convenient and rapid.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical and electrical installation cranes, in particular to an installation crane for mechanical and electrical installation which is convenient to adjust. Background Art

[0002] Mechanical and electrical installation involves the installation of some large-scale power equipment, such as transformers, distribution cabinets or some electrical equipment. When installing such equipment, due to their large volume, special cranes need to be used for assistance.

[0003] Therefore, an installation crane for mechanical and electrical installation which is convenient to adjust, with the publication number: CN216471891U, includes: a base, above which a motor is arranged, and above the motor a runner is arranged. And near the motor on the base, a column is arranged, and the top of the column is connected with a guide wheel frame; a vertical rod is arranged on one side of the column, and a groove is opened in the middle of the vertical rod, and an installation groove is opened at one end of the groove. A hydraulic cylinder is arranged inside the installation groove, and sliding grooves are opened on both sides of the groove. The output end of the hydraulic cylinder is connected with a moving block, and a pulley is arranged inside the moving block. When using this installation crane for mechanical and electrical installation which is convenient to adjust, the steel wire rope passes through the guide wheel frame and the pulley through the runner, the power supply is connected to operate the motor, and the motor drives the runner to rotate through a chain, so that the steel wire rope connected to the runner moves. At the same time, the hydraulic cylinder is started, and the moving block is extruded by the hydraulic cylinder, so that the moving block moves inside the sliding groove. The limiting block is extruded by a spring, and the second rotating shaft is used to open the opening and closing door, so as to facilitate the maintenance of the installation crane. The mechanical and electrical equipment is lifted by the hook installed at one end of the steel wire rope.

[0004] However, there is only one hook in the prior art. When lifting higher and larger mechanical and electrical equipment, it is often necessary for workers to climb onto the mechanical and electrical equipment and then use several auxiliary ropes to connect the periphery of the mechanical and electrical equipment with the hook, which is inconvenient to operate. Summary of the Utility Model

[0005] The purpose of the utility model is to solve the problems existing in the prior art, and to provide an installation crane for mechanical and electrical installation which is convenient to adjust.

[0006] To achieve the above object, the utility model adopts the following technical solution: An adjustable installation crane for mechanical and electrical installation, including a steel wire rope, the end of the steel wire rope is divided into four and connected with a lifting disc, the bottom edge of the lifting disc is rotatably connected with winding discs distributed in an annular array, the winding shaft of the winding disc extends outward and is fixedly connected with a worm gear, and a traction rope is wound on the winding shaft of the winding disc. A connecting shaft is rotatably connected at a position on the bottom surface of the lifting disc close to the winding disc. The bottom end of the connecting shaft is fixedly connected with a worm shaft that is rotatably connected to the surface of the winding disc and meshed with the worm gear. Two spur gears are fixedly connected to the surface of the connecting shaft from top to bottom, and an auxiliary gear that meshes with the spur gear at the upper position is rotatably connected at a position on the bottom surface of the lifting disc close to each connecting shaft. A driving mechanism is arranged at the center of the bottom surface of the lifting disc.

[0007] Preferably, the driving mechanism includes a motor fixed at the center of the top surface of the lifting disc. The main shaft of the motor penetrates through the lifting disc and is fixedly connected with an output gear that is rotatably connected to the inner embedding of the bottom surface of the lifting disc.

[0008] Preferably, the driving mechanism further includes transmission teeth distributed in an annular array and meshed with the output gear. The transmission teeth correspond to the positions and numbers of several transmission mechanisms one by one.

[0009] Preferably, a connecting frame fixed to the bottom surface of the lifting disc is arranged between the transmission teeth and the winding disc. The bottom end of the transmission teeth is fixedly connected with a connecting rod that is rotatably connected to the surface of the connecting frame. A main sprocket is fixedly connected to the rod surface of the connecting rod corresponding to each spur gear.

[0010] Preferably, a mating sprocket and a transmission sprocket are arranged at the position of each main sprocket in the connecting frame. A chain is meshed between the main sprocket, the mating sprocket, and the transmission sprocket arranged at the same height.

[0011] Preferably, transmission gears for meshing with the spur gears and the auxiliary gears at the upper and lower positions of the connecting shaft are respectively fixedly connected to the end faces of the two transmission sprockets in the connecting frame. A plug socket inserted into the inner wall of the connecting frame is rotatably connected to the end face of the transmission gear. An electric telescopic rod is connected between the plug socket and the inner wall of the connecting frame.

[0012] Preferably, the end face of the mating sprocket extends outward and is also connected with an electric telescopic rod between the mating sprocket and the connecting frame. The extended part of the end face of the mating sprocket is inserted into the inner wall of the connecting frame.

[0013] Compared with the prior art, the advantages and positive effects of the utility model are as follows.

[0014] 1. In the present utility model, a crane is used to wind and release a steel wire rope. The winding shaft of the wire reel around the lower surface of the lifting disc rotates to achieve the winding or release of the towing rope. The lifting disc is suspended above the electromechanical equipment by the steel wire rope, and releasing the towing rope through the wire reel facilitates the connection of the towing rope to the periphery of the electromechanical equipment under the electromechanical equipment by personnel. Then, the lifting disc can be lifted by the steel wire rope, and the electromechanical equipment can be lifted by several towing ropes, eliminating the need for personnel to work at heights and enabling convenient and quick connection.

[0015] 2. In the present utility model, when the transmission gears in several connection frames far from the lifting disc mesh with the spur gears at the same height, it means that several wire reels below the lifting disc rotate in the same direction, that is, releasing or winding the towing ropes simultaneously. When the transmission gear near the lifting disc in one of the connection frames meshes with the auxiliary gear, which in turn drives the spur gear to rotate. Therefore, an auxiliary gear is arranged in the middle, and the spur gear at this position rotates in the opposite direction to the spur gears at other positions. That is, when the wire reels at other positions release the towing rope 3, the wire reel at this position winds the towing rope, thus facilitating personnel to adjust the tightness of the towing ropes at different positions. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a three-dimensional structural schematic diagram of an adjustable installation crane for electromechanical installation proposed by the present utility model;

[0017] Figure 2 is an adjustable installation crane for electromechanical installation proposed by the present utility model Figure 1 of the bottom view structural schematic diagram;

[0018] Figure 3 is an adjustable installation crane for electromechanical installation proposed by the present utility model Figure 1 of the sectional view structural schematic diagram;

[0019] Figure 4 is the structural schematic diagram of the connection frame of the present utility model;

[0020] Figure 5 is Figure 2 the enlarged view of part A in

[0021] Legend: 1. Steel wire rope; 2. Lifting disc; 3. Towing rope; 4. Wire reel; 5. Worm gear; 6. Worm; 7. Connecting shaft; 8. Spur gear; 9. Auxiliary gear; 10. Connection frame; 11. Motor; 12. Main sprocket; 13. Driving sprocket; 14. Matching sprocket; 15. Transmission gear; 16. Plug-in socket; 17. Electric telescopic rod; 18. Output gear; 19. Transmission tooth; 20. Connecting rod. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0022] In order to more clearly understand the above-mentioned objects, features, and advantages of the present utility model, the present utility model will be further described below in conjunction with the accompanying drawings and embodiments. It should be noted that, without conflict, the embodiments of the present application and the features in the embodiments can be combined with each other.

[0023] In the following description, many specific details are set forth in order to fully understand the present utility model. However, the present utility model can also be implemented in other ways different from those described herein. Therefore, the present utility model is not limited by the specific embodiments disclosed in the following specification.

[0024] As Figures 1-5 shown, a conveniently adjustable installation crane for mechanical and electrical installation includes a steel wire rope 1. The end of the steel wire rope 1 is divided into four parts and is connected to a lifting disc 2. The bottom edge of the lifting disc 2 is rotatably connected to winding discs 4 distributed in an annular array. The winding shaft of the winding disc 4 extends outward and is fixedly connected to a worm gear 5, and a traction rope 3 is wound around the winding shaft of the winding disc 4. A connecting shaft 7 is rotatably connected to the position of the bottom surface of the lifting disc 2 close to the winding disc 4. The bottom end of the connecting shaft 7 is fixedly connected to a worm 6 that is rotatably connected to the surface of the winding disc 4 and meshed with the worm gear 5. Two spur gears 8 are fixedly connected to the surface of the connecting shaft 7 from top to bottom, and an auxiliary gear 9 meshed with the spur gear 8 at the upper position is rotatably connected to the position of the bottom surface of the lifting disc 2 close to each connecting shaft 7. A driving mechanism is arranged at the center of the bottom surface of the lifting disc 2. During actual use, the crane winds and releases the steel wire rope 1 to realize the lifting and lowering of the lifting disc 2, and the rotation of the winding shaft of the winding disc 4 around the periphery of the lower surface of the lifting disc 2 can realize the winding or release of the traction rope 3. Therefore, during actual use, the lifting disc 2 is suspended above the mechanical and electrical equipment through the steel wire rope 1, and by releasing the traction rope 3 from the winding disc 4, it is convenient for personnel to connect the traction rope 3 around the mechanical and electrical equipment below the mechanical and electrical equipment. Then, the lifting disc 2 can be lifted by the steel wire rope 1, and the mechanical and electrical equipment can be lifted by several traction ropes 3. In order to drive the winding disc 4 to rotate, as Figure 5 shown, by driving the rotation of the upper auxiliary gear 9 to realize the rotation of the upper spur gear 8 in meshed connection to drive the connecting shaft 7 to rotate, the rotation of the worm 6 driving the worm gear 5 can be realized, and then the rotation of the winding shaft of the winding disc 4 can be realized. Or by rotating the spur gears 8 at the upper and lower positions of the connecting shaft 7 to drive the connecting shaft 7 to drive the worm 6 to rotate, and using the fact that the worm gear 5 cannot drive the worm 6 to rotate, during the lifting process, the traction rope 3 will not cause the winding shaft of the winding disc 4 to drive the worm gear 5 to rotate due to the weight of the mechanical and electrical equipment.

[0025] In addition, the driving mechanism includes a motor 11 fixed at the center of the top surface of the lifting disc 2. The main shaft of the motor 11 penetrates through the lifting disc 2 and is fixedly connected with an output gear 18 that is rotationally connected to the inner embedding of the bottom surface of the lifting disc 2. The driving mechanism further includes transmission teeth 19 that are distributed in an annular array and are meshed with the output gear 18. The transmission teeth 19 correspond to the positions and quantities of a number of transmission mechanisms one by one. A connection frame 10 fixed to the bottom surface of the lifting disc 2 is arranged between the transmission teeth 19 and the winding disc 4. Moreover, the bottom end of the transmission teeth 19 is fixedly connected with a connecting rod 20 that is rotationally connected to the surface of the connection frame 10. The main sprockets 12 are fixedly connected to the rod surface of the connecting rod 20 corresponding to the position of each spur gear 8. During actual use, the motor 11 is used to drive the output gear 18 to rotate, and then the rotation of the output gear 18 drives the rotation of the connecting rod 20 at the corresponding position by the meshed transmission teeth 19, so that the main sprockets 12 in a number of connection frames 10 can be rotated.

[0026] In addition: At the position of each main sprocket 12 within the connection frame 10, a mating sprocket 14 and a transmission sprocket 13 are provided. A chain is meshed and connected between the main sprockets 12, mating sprockets 14, and transmission sprockets 13 that are arranged at the same height. The rotation of the main sprocket 12 drives the rotation of the mating sprocket 14 and the transmission sprocket 13 through the set chain. Transmission gears 15 for meshing and connecting with the spur gear 8 and the auxiliary gear 9 at the upper and lower positions of the connection shaft 7 are respectively fixedly connected to the end faces of the two transmission sprockets 13 within the connection frame 10. The rotation of the transmission sprocket 13 causes the transmission gear 15 on the end face to rotate. Under normal circumstances, the transmission gear 15 within the connection frame 10 does not mesh with the auxiliary gear 9 and the spur gear 8. A socket 16 that is inserted into the inner wall of the connection frame 10 is rotatably connected to the end face of the transmission gear 15. An electric telescopic rod 17 is connected between the socket 16 and the inner wall of the connection frame 10. The elongation of the electric telescopic rod 17 here can cause the socket 16 to drive the transmission gear 15 to move, that is, the upper transmission gear 15 moves to mesh with the auxiliary gear 9, or the lower transmission gear 15 meshes with the spur gear 8 at the upper and lower positions of the connection shaft 7. The end face of the mating sprocket 14 extends outward and is also connected to an electric telescopic rod 17 with the connection frame 10. The extended part of the end face of the mating sprocket 14 is inserted into the inner wall of the connection frame 10. When the transmission gear 15 moves towards the connection shaft 7, the contraction of the electric telescopic rod 17 here can cause the mating sprocket 14 to move, that is, the sprocket is released, preventing the chain from breaking when the transmission gear 15 drives the transmission sprocket 13 to move. In addition, in this solution, when the transmission gears 15 in several connection frames 10 that are far from the lifting disc 2 mesh with the spur gears 8 at the same height, it means that several wire reels 4 below the lifting disc 2 rotate in the same direction, that is, the towing ropes 3 are released or wound simultaneously. When the transmission gear 15 in one of the connection frames 10 that is close to the lifting disc 2 meshes with the auxiliary gear 9, thereby driving the spur gear 8 to rotate. Therefore, an auxiliary gear 9 is arranged in the middle. The spur gear 8 at this position rotates in the opposite direction to the spur gears 8 at other positions. That is, when the wire reels 4 at other positions release the towing ropes 3, the wire reel 4 at this position winds the towing ropes 3.

[0027] Working principle: During use, the steel wire rope 1 is wound and released by being wound around the crane, and the position is changed by moving the crane, so that the steel wire rope 3 drives the lifting disc 2 to move directly above the electromechanical equipment. When it is necessary to release the traction rope 3 on the wire reel 4 at the same time, the electric telescopic rods 17 in several connecting frames 10 that are far from the lifting disc 2 and connected to the socket 16 extend, and the electric telescopic rods 17 connected to the mating sprocket 14 contract, so that the socket 16 can drive the transmission gear 15 to move to mesh with the spur gear 8 at the lower position of the connecting shaft 7. At this time, the motor 11 drives the output gear 18 to rotate, and then several meshing transmission teeth 19 drive the connecting rod 20 at the corresponding position to rotate, so that the main sprockets 12 in several connecting frames 10 can rotate. Under the driving action of the chain, the transmission sprocket 13 drives the transmission gear 15 to rotate, and then the meshing spur gear 8 drives the connecting shaft 7 to rotate, so that the worm 6 drives the worm wheel 5 to rotate, and then the winding shaft of the wire reel 4 rotates to release the traction rope 3, which is convenient for personnel to connect the released traction rope 3 around the electromechanical equipment below. Then, when the motor 11 rotates reversely, the wire reel 4 can rotate reversely to wind up the traction rope 3, so that the traction rope can be tightened and the electromechanical equipment can be lifted.

[0028] The wiring diagrams of the electric telescopic rods 17 and the motor 11 in the present utility model belong to the common knowledge in the art. Their working principles are already known technologies, and their models are selected according to actual use. Therefore, the control methods and wiring arrangements of the electric telescopic rods 17 and the motor 11 will not be explained in detail.

[0029] The above are only the preferred embodiments of the present utility model, and are not limitations to the present utility model in other forms. Any person skilled in the art may use the disclosed technical content to make changes or modifications into equivalent embodiments with equivalent changes and apply them to other fields. However, as long as it does not depart from the technical solution content of the present utility model, any simple modification, equivalent change and modification made to the above embodiments based on the technical essence of the present utility model still fall within the protection scope of the technical solution of the present utility model.

Claims

1. An easily adjustable installation crane for electromechanical installation, comprising a steel wire rope (1), characterized in that: The end of the steel wire rope (1) is divided into four parts and connected to a lifting disk (2); the bottom edge of the lifting disk (2) is rotatably connected to a winding disk (4) distributed in a ring array; the winding shaft of the winding disk (4) extends outward and is fixedly connected to a worm wheel (5); and a traction rope (3) is wound on the winding shaft of the winding disk (4); the bottom of the lifting disk (2) is rotatably connected to a connecting shaft (7) near the winding disk (4); the bottom end of the connecting shaft (7) is fixedly connected to a worm (6) rotatably connected to the surface of the winding disk (4) and meshingly connected to the worm wheel (5); the surface of the connecting shaft (7) is fixedly connected to two spur gears (8) from top to bottom; and the bottom of the lifting disk (2) near each connecting shaft (7) is rotatably connected to an auxiliary gear (9) meshingly connected to the spur gear (8) at the upper position; and a driving mechanism is arranged at the center of the bottom of the lifting disk (2).

2. The adjustable installation crane for electromechanical installation according to claim 1, characterized in that: The driving mechanism comprises a motor (11) fixed at the center of the top surface of the lifting plate (2), wherein the main shaft of the motor (11) passes through the lifting plate (2) and is fixedly connected to an output gear (18) embedded in the bottom surface of the lifting plate (2) and rotatably connected.

3. The adjustable installation crane for electromechanical installation according to claim 2, characterized in that: The driving mechanism also includes transmission teeth (19) distributed in a ring array and meshingly connected with the output gear (18), and the transmission teeth (19) correspond one-to-one to the positions and quantities of the plurality of transmission mechanisms.

4. The adjustable installation crane for electromechanical installation according to claim 3, characterized in that: A connecting frame (10) fixed to the bottom surface of the lifting plate (2) is provided between the transmission tooth (19) and the winding drum (4), and a connecting rod (20) which penetrates and is rotatably connected to the bottom end of the transmission tooth (19) is fixedly connected, and a main sprocket (12) is fixedly connected to the position of each spur gear (8) on the surface of the connecting rod (20).

5. The adjustable installation crane for electromechanical installation according to claim 4, characterized in that: A matching sprocket (14) and a transmission sprocket (13) are arranged at the position of each main sprocket (12) in the connection frame (10), and a chain is meshed and connected between the main sprocket (12), the matching sprocket (14) and the transmission sprocket (13) which are arranged at the same height.

6. The adjustable installation crane for electromechanical installation according to claim 5, characterized in that: The end surfaces of the two transmission sprockets (13) in the connection frame (10) are respectively fixedly connected with transmission gears (15) for meshing with the spur gears (8) and the auxiliary gears (9) at upper and lower positions of the connection shaft (7); the end surfaces of the transmission gears (15) are rotatably connected with a socket (16) plugged into the inner wall of the connection frame (10); and an electric telescopic rod (17) is connected between the socket (16) and the inner wall of the connection frame (10).

7. The adjustable installation crane for electromechanical installation according to claim 5, characterized in that: The end surface of the matching sprocket (14) extends outwards and is also connected to the connecting frame (10) with an electric telescopic rod (17). The extended portion of the end surface of the matching sprocket (14) is plugged into the inner wall of the connecting frame (10).

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