Wind power tower cylinder hoisting device with stable docking function

Abstract

The present application relates to a kind of wind power tower hoisting device with stable docking function, provide a kind of wind power tower hoisting device with stable docking function capable of adapting different specifications tower cylinder.The present application is applicable to hoisting device technical field.The technical scheme adopted by the present application is: a kind of wind power tower hoisting device with stable docking function, characterized by: with hoisting support, the hoisting support has several telescopic rods that are evenly distributed radially from the center of the support, the outer end of telescopic rod is connected to clamp for clamping the upper end of tower cylinder main body, clamp is connected to lifting rope through lifting seat;The clamp has connecting plate and limiting plate that are matched to realize the clamping of tower cylinder main body cylinder wall, the upper portion between connecting plate and limiting plate is connected through spacing adjustment mechanism that can adjust the spacing between the two, the lower portion of connecting plate and limiting plate is provided with corresponding screw hole, and the screw hole of connecting plate and limiting plate is jointly inserted with fastening screw rod that penetrates the cylinder wall of tower cylinder main body.

Description

TECHNICAL FIELD

[0001] The present application relates to a kind of wind power tower hoisting device with stable docking function.It is suitable for hoisting device technical field. BACKGROUND

[0002] Hoisting refers to the loading, transportation, installation and other items of large equipment that we usually encounter through crane or lifting mechanism to install, position equipment, it can also be used in various hoisting devices when overhauling or maintenance to lift equipment, material etc., so as to facilitate maintenance, with the development of science and technology, hoisting device has developed greatly, however, there are still some problems in the hoisting device, for example: the hoisting device used now needs to replace the hoisting clamp to adapt to different specifications of tower cylinder when facing different size and thickness tower cylinder during operation, which greatly wastes operation time and reduces work efficiency, and the hoisting clamp cannot be adjusted quickly to adapt to different specifications of tower cylinder. SUMMARY

[0003] The technical problem to be solved by the present application is to provide a wind power tower hoisting device with stable docking function that can adapt to different specifications of tower cylinder in view of the above problems.

[0004] The technical solution adopted by the present application is: a wind power tower hoisting device with stable docking function, characterized by: having a hoisting support, the hoisting support has a plurality of telescopic rods evenly distributed radially from the center of the support, the outer end of the telescopic rod is connected to a clamp for clamping the upper end of the tower cylinder main body, the clamp is connected to a lifting rope through a lifting seat;

[0005] The clamp has a connecting plate and a limiting plate that cooperate with each other to clamp the tower cylinder main body, the upper parts of the connecting plate and the limiting plate are connected through a spacing adjusting mechanism that can adjust the spacing therebetween, the lower parts of the connecting plate and the limiting plate are provided with corresponding screw holes, and a fastening screw rod that penetrates the tower cylinder main body is jointly installed in the screw holes of the connecting plate and the limiting plate.

[0006] The spacing adjusting mechanism has a welding plate, the welding plate is provided with a through hole arranged along its axis, one end of the welding plate is connected perpendicularly to the connecting plate, and the other end of the welding plate is threadedly connected with a limiting screw rod arranged along the axis of the welding plate;

[0007] One end of the limiting screw rod is an operating end, which is exposed outside the welding plate; the other end of the limiting screw rod is rotatably connected to the limiting plate located in the through hole and movable along the axis of the welding plate.

[0008] The hoisting support has a connecting seat and a plurality of telescopic rods arranged radially around the connecting seat, one end of the telescopic rod is connected to the connecting seat, and the other end of the telescopic rod is connected to the corresponding clamp.

[0009] The telescopic rod has a connecting pipe and a butt pipe coaxially inserted into the connecting pipe, and a positioning and locking mechanism is arranged between the connecting pipe and the butt pipe.

[0010] The positioning and locking mechanism comprises a plurality of limiting grooves arranged at different positions along the axis of the butt pipe, and an everted pipe connected to the end of the connecting pipe, one end of the everted pipe being coaxially connected to the connecting pipe, and the other end of the everted pipe being provided with everted limiting teeth matched with the limiting grooves.

[0011] The everted pipe and the connecting pipe are both provided with external threads on the outer walls thereof, and a sleeve pipe is threadedly connected to the external threads.

[0012] The contact surface of the clamp with the tower body is covered with an anti-abrasion pad.

[0013] The contact surface of the clamp with the tower body is provided with a plurality of butt grooves, and the anti-abrasion pad is provided with a plurality of clamping blocks, the anti-abrasion pad being fixed to the clamp by the clamping blocks and the butt grooves.

[0014] The present application has the advantages that the distance adjusting mechanism is used to move the limiting plate to adjust the distance between the limiting plate and the connecting plate, so that the lifting clamp can be quickly adjusted to adapt to tower bodies of different specifications. The fastening screw penetrating through the limiting plate, the tower body and the connecting plate can prevent the tower body from being separated from the lifting clamp.

[0015] The clamp is mounted on the telescopic rod of the lifting support, and the telescopic rod can make the clamp adapt to tower bodies of different sizes, and the telescopic rod of the lifting support can support the tower body when the tower body is lifted, thereby stabilizing the tower body.

[0016] The anti-abrasion pad is used on the lifting clamp, and the anti-abrasion pad is made of high-wear-resistant rubber material, so that the friction force of the lifting clamp is increased, and the lifting clamp will not be abraded when the tower body is lifted. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a front view of the cross-sectional structure of the present application;

[0018] Figure 2 It is a top view of the cross-sectional structure of the present application;

[0019] Figure 3 It is a front view of the cross-sectional structure of the present application;

[0020] Figure 4 It is a left view of the cross-sectional structure of the present application at the connecting position of the limiting plate and the limiting screw;

[0021] Figure 5 It is a front view of the cross-sectional structure of the present application at the connecting position of the everted pipe and the sleeve pipe;

[0022] Figure 6 Figure 1 is a schematic view of the front cross-sectional structure of the docking groove and the clamping block of the application.

[0023] 1, tower body; 2, connecting plate; 3, welding plate; 4, installation groove; 5, through hole; 6, limiting plate; 7, connecting block; 8, limiting screw; 9, fastening screw; 10, connecting seat; 11, connecting pipe; 12, docking pipe; 13, limiting groove; 14, outward tube; 15, sleeve pipe; 16, docking groove; 17, clamping block; 18, wear pad; 19, lifting seat; 20, lifting rope; 21, lifting hook. DETAILED DESCRIPTION

[0024] The embodiment is a wind turbine tower hoisting device with stable docking function, which has a hoisting support, four clamps evenly arranged around the support, the clamps being used to clamp the tower body wall, the clamps being connected to the lifting rope through the lifting seat, and the hoisting device being connected to the lifting hook of the lifting equipment through the lifting rope.

[0025] In this example, the hoisting support has a connecting seat and four telescopic rods arranged radially around the connecting seat, one end of the telescopic rod being connected to the connecting seat, and the other end of the telescopic rod being connected to the corresponding clamp. The telescopic rod has a connecting pipe and a docking pipe, one end of the connecting pipe being fixed to the connecting seat, the other end of the connecting pipe being coaxially inserted into the docking pipe, the end of the docking pipe away from the connecting seat being fixedly connected to the clamp, and a positioning and locking mechanism being arranged between the connecting pipe and the docking pipe, so that the telescopic rod can be positioned at different lengths through the positioning and locking mechanism.

[0026] In this embodiment, the positioning and locking mechanism includes a plurality of limiting grooves arranged at different positions on the axis of the docking pipe, and an outward tube connected to the end of the connecting pipe away from the connecting seat. In this example, one end of the outward tube is coaxially connected to the connecting pipe, and the other end of the outward tube is provided with outward limiting teeth that can be matched with the limiting grooves (the cross section of the outward tube in the axial direction is L-shaped). When the outward tube is subjected to an axial tension, the outward limiting teeth located in the limiting grooves will deform and expand radially outward to the outward tube, so that the outward limiting teeth are separated from the limiting grooves.

[0027] In this embodiment, the outer diameter of the outward tube is the same as the outer diameter of the connecting pipe, and external threads are formed on the outward tube and the connecting pipe, and a sleeve pipe is threadedly connected through the external threads. When the sleeve pipe is located on the connecting pipe, the outward limiting teeth on the outward tube are deformed and expanded; when the sleeve pipe is located on the outward tube, the outward limiting teeth on the outward tube are limited to expand, and the outward limiting teeth cannot be separated from the limiting grooves, so that the relative position between the connecting pipe and the docking pipe is locked, and the length of the telescopic rod is fixed.

[0028] The clamp has the connecting plate and the limiting plate arranged vertically in the example, the connecting plate and the limiting plate are matched to clamp the main cylinder wall of the tower cylinder, the connecting plate is fixedly connected with the butt joint pipe of the corresponding telescopic rod, the upper parts of the connecting plate and the limiting plate are connected through the spacing adjusting mechanism, the spacing adjusting mechanism adjusts the spacing between the connecting plate and the limiting plate, so that the clamp is adapted to the cylinder wall with different thicknesses, and the tower cylinder is clamped.

[0029] The spacing adjusting mechanism has the welding plate arranged horizontally in the example, one end of the welding plate is perpendicularly connected with the connecting plate, the other end of the welding plate is provided with a mounting groove arranged along the axis of the welding plate, a middle section of the welding plate is provided with a through hole arranged along the axis of the welding plate and communicated with the mounting groove, a limiting plate is inserted in the through hole and can move along the axis of the welding plate in the through hole, an inner thread is formed in the mounting groove, a limiting screw rod arranged along the axis of the welding plate is connected with the inner thread, one end of the limiting screw rod is rotatably connected with the limiting plate in the through hole, and the other end of the limiting screw rod is exposed outside the end of the welding plate and serves as an operating end.

[0030] The limiting screw rod is moved along the axis of the welding plate in the mounting groove by rotating the limiting screw rod in the example, and the limiting plate is moved along the axis of the welding plate, so that the spacing between the limiting plate and the connecting plate is adjusted.

[0031] The wear-resistant pads are arranged on the contact surface of the connecting plate, the contact surface of the welding plate and the contact surface of the limiting plate in the example, the wear-resistant pads are made of high-wear-resistant rubber material, the hoist clamping is increased in friction, and the hoist is not abraded when the tower cylinder body is hoisted.

[0032] A plurality of butt joints are arranged on the contact surface of the connecting plate, the contact surface of the welding plate and the contact surface of the limiting plate in the example, a plurality of clamping blocks adapted to the butt joints are arranged on the wear-resistant pads, and the wear-resistant pads are fixed on the corresponding connecting plate, welding plate and limiting plate by matching the clamping blocks with the butt joints.

[0033] The bolt through holes are arranged on the lower parts of the connecting plate and the limiting plate in the example, and the clamp is firmly connected with the tower cylinder by the fastening bolts penetrating through the bolt through holes of the connecting plate and the limiting plate and the cylinder wall of the tower cylinder.

[0034] The specific use method of the example is as follows:

[0035] Before the tower cylinder body is hoisted, the sleeve joint pipe is rotated to move to the surface of the connecting pipe, the butt joint pipe is pulled to be adjusted to adapt to the tower cylinder body with different diameters, and the limiting grooves are arranged according to the tower cylinder bodies with different specifications. When the adjustment is completed, the sleeve joint pipe is rotated to be threadedly connected with the everted pipe, the everted pipe is clamped and connected with the limiting groove, the connecting pipe is limited and cannot move with the butt joint pipe, and the tower cylinder body can be stabilized when the tower cylinder body is hoisted.

[0036] Before starting the lifting equipment, rotate the limiting screw rod to make the limiting plate move to adapt to the tower body of different thicknesses, place the connecting plate and the limiting plate on both sides of the tower body, and then rotate the limiting screw rod to make the connecting plate and the limiting plate tightly clamp the tower body, so that the lifting device is stably connected with the tower body. Then rotate the fastening screw rod to make the fastening screw rod penetrate through one side of the tower body, lock it through the nut, and then start the crane. When the hook lifts the tower body, the tower body will not be separated from the lifting clamp, and the lifting clamp can be quickly adjusted to adapt to the tower of different specifications.

[0037] Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can modify the technical solutions recorded in the foregoing embodiments or make equivalent replacements to some of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A wind turbine tower hoisting device with stable docking function, characterized in that: The lifting support has several telescopic rods evenly distributed radially from the center of the support, the outer ends of the telescopic rods are connected to clamps for clamping the upper end of the tower body, the clamps are connected to lifting ropes through lifting seats. The clamps have connecting plates and limiting plates that cooperate to clamp the tower body, the upper parts of the connecting plates and the limiting plates are connected through a spacing adjustment mechanism that can adjust the spacing between the connecting plates and the limiting plates, the lower parts of the connecting plates and the limiting plates are provided with corresponding screw holes, and a fastening screw rod that penetrates the tower body is inserted into the screw holes of the connecting plates and the limiting plates. The spacing adjustment mechanism has a welding plate provided with a through hole arranged along the axis of the welding plate, one end of the welding plate is connected perpendicularly to the connecting plate, and the other end of the welding plate is threadedly connected to a limiting screw rod arranged along the axis of the welding plate. One end of the limiting screw rod is an operating end that protrudes outside the welding plate, and the other end of the limiting screw rod is rotatably connected to the limiting plate located in the through hole and movable along the axis of the welding plate. The telescopic rod has a connecting pipe and a butt joint pipe coaxially inserted into the connecting pipe, and a positioning and locking mechanism is arranged between the connecting pipe and the butt joint pipe. The positioning and locking mechanism includes a plurality of limiting grooves arranged at different positions along the axis of the butt joint pipe, and an everted pipe connected to the end of the connecting pipe, one end of the everted pipe is coaxially connected to the connecting pipe, and the other end of the everted pipe is provided with everted limiting teeth that can be matched with the limiting grooves.

2. The windmill tower hoisting device with stable docking function according to claim 1, characterized in that: The lifting support has a connecting seat and a plurality of telescopic rods arranged radially from the connecting seat, one end of each telescopic rod is connected to the connecting seat, and the other end of each telescopic rod is connected to a corresponding clamp.

3. The windmill tower hoisting device with stable docking function according to claim 1, characterized in that: The everted pipe and the connecting pipe are provided with external threads on their outer walls and are threadedly connected to a sleeve pipe.

4. The windmill tower hoisting device with stable docking function according to claim 1, characterized in that: The contact surface between the clamp and the tower body is covered with an anti-wear pad.

5. The windmill tower hoisting device with stable docking function according to claim 4, characterized in that: The contact surface between the clamp and the tower body is provided with a plurality of butt joint grooves, and the anti-wear pad is provided with a plurality of clamping blocks, the anti-wear pad is fixed to the clamp through the clamping blocks on the anti-wear pad and the butt joint grooves on the clamp.

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