CN222433901U

CN222433901U - Wind driven generator tower hoisting device

Info

Publication number: CN222433901U
Application number: CN202421113986.9U
Authority: CN
Inventors: 闵行; 俞华强
Original assignee: Jiangsu Zhenjiang New Energy Equipment Co ltd
Current assignee: Jiangsu Zhenjiang New Energy Equipment Co ltd
Priority date: 2024-05-21
Filing date: 2024-05-21
Publication date: 2025-02-07
Anticipated expiration: 2034-05-21

Abstract

The utility model discloses a tower barrel lifting device of a wind driven generator, which comprises a main body, wherein a tower barrel and a lifting appliance are arranged in the main body, a lifting hook is arranged at the top of the lifting appliance, an anti-falling frame is arranged in the lifting hook, an upper suspension arm and a lower suspension arm are arranged in the lifting appliance, and a limiting block is arranged on the lower suspension arm. According to the lifting device, the tower drum is inserted in the middle of the lifting appliance, the tower drum is moved to the inner side of the lower lifting arm along the outer wall of the upper lifting arm, the lifting hook is pulled upwards after the inner ring layer of the tower drum passes over the limiting block, the tower drum falls on the limiting block, the inner ring layer is located on the lower lifting arm, then the threaded hole of the tower drum is aligned with the through hole of the lifting appliance, the bolt is inserted, the lifting ring props against the hanging hook to enable the locking block to rotate clockwise based on the pin shaft, the lifting ring passes over the hanging hook, the lifting ring is reversely buckled by the gravity factor of the locking block and the inner ring layer of the limiting block to play a fixing role, the tower drum is fixed through the bolt, the phenomenon that the tower drum rotates at the lower lifting beam is avoided, the tower drum is prevented from being damaged, and the falling off due to the balance loss is avoided.

Description

Wind driven generator tower hoisting device

Technical Field

The utility model relates to the technical field of lifting devices, in particular to a tower crane of a wind driven generator.

Background

The wind driven generator is an electric power device which converts wind energy into mechanical work and drives a rotor to rotate and finally outputs alternating current. The wind driven generator is generally composed of wind wheels, a generator, a direction regulator, a tower barrel, a speed limiting safety mechanism, an energy storage device and other components, the tower barrel is also called a wind power tower barrel, the wind power tower barrel is a tower rod of wind power generation, the wind power tower barrel mainly plays a supporting role in a wind driven generator set, meanwhile, absorbs vibration of the set, inner ring layers are arranged on inner walls of two ends of the existing tower barrel, a plurality of threaded holes which are regularly arranged are formed in the inner ring layers, and when the adjacent tower barrels are in butt joint, the adjacent tower barrels are in fastening connection through the threaded holes in the inner ring layers.

For example, china patent discloses a hoisting tool for a cylindrical shell section of a tower cylinder of a wind driven generator [ application number: 201621058193.7], which comprises an upper hanging beam, a U-shaped connecting part, a lower hanging beam and lifting lugs, wherein the upper hanging beam and the lower hanging beam are mutually parallel, the upper hanging beam and the lower hanging beam form a whole through the U-shaped connecting part, and the two lifting lugs are arranged on the upper hanging beam. In the scheme, although the lower end face of the upper hanging beam and the upper end face of the lower hanging beam adopt arc faces, the cylindrical shell section is easier to insert when the cylindrical shell section of the tower is lifted. In addition, even if the cylinder section is carelessly touched, the cylinder section steel plate is not easily scratched. The crane is convenient to lift, and can effectively avoid collision and scratch. But through alternate the tower section of thick bamboo between upper and lower hanging beam in this scheme, the tower section of thick bamboo inner wall is located on lower hanging beam when lifting by crane, and the tower section of thick bamboo is in unsettled state this moment, and the focus of itself wholly is located the below of lifting by crane the instrument, because do not have corresponding fixed equipment in the lifting by crane the instrument, the tower section of thick bamboo appears the pivoted condition in lower hanging beam department and appears, not only can lead to damaging the tower section of thick bamboo, and special condition probably appears losing balance and drop the problem.

Disclosure of utility model

The utility model aims to provide a wind driven generator tower crane device for solving the problems in the background technology.

In order to achieve the purpose, the technical scheme is that the lifting device for the tower drum of the wind driven generator comprises a main body, wherein a tower drum and a lifting appliance are installed in the main body, a lifting hook is arranged at the top of the lifting appliance, an anti-falling frame is installed in the lifting hook, an upper suspension arm and a lower suspension arm are arranged in the lifting appliance, a limiting block is arranged on the lower suspension arm, a groove is formed in one side of the lifting appliance, a bending block is installed in the anti-falling frame, a counterweight rod is installed at one end of the anti-falling frame, a cross rod is installed at the other end of the anti-falling frame, a bolt penetrates through the groove, a lifting ring is installed at one end of the bolt, a base is installed on the inner wall of the groove, a transverse groove and a vertical groove are respectively formed in the base, a locking block is installed at one end of the locking block, and meanwhile a pulling block is installed at the same side of the locking block.

Preferably, the upper suspension arm and the lower suspension arm are arranged at intervals, and meanwhile, the lifting appliance is connected with the lifting hook through a steel cable.

Preferably, the outer wall of the upper side of the limiting block is arc-shaped, and meanwhile, a lug of the arc-shaped outer wall is arranged at the outer wall of the lower suspension arm and is positioned on the left side of the limiting block.

Preferably, the bending blocks are symmetrically arranged, and connecting seats are arranged at the bending positions of the bending blocks and on the inner wall of the lifting hook, and the bending blocks and the lifting hook are rotationally connected through a pin shaft penetrating through the connecting seats.

Preferably, the bending block is divided into a long rod and a short rod, the long rod is positioned at the outer side of the lifting hook, the short rod is positioned at the inner side of the lifting hook, and the weight of the counterweight rod is larger than that of the cross rod.

Preferably, the lifting appliance is provided with a through hole at the penetrating position of the bolt, and the through hole is positioned below the base.

Preferably, the transverse groove and the vertical groove are mutually perpendicular, and simultaneously the transverse groove and the vertical groove respectively penetrate through the outer wall of the base.

Preferably, the pull block is positioned on the upper side of the base, the hook is positioned in the transverse groove, a pin shaft is arranged at the bottom of the vertical groove, and the locking block is rotatably arranged in the vertical groove through the pin shaft.

Compared with the prior art, the utility model has the beneficial effects that:

1. According to the lifting device, the tower drum is inserted in the middle of the lifting appliance, the tower drum is moved to the inner side of the lower lifting arm along the outer wall of the upper lifting arm, the lifting hook is pulled upwards after the inner ring layer of the tower drum passes over the limiting block, the tower drum falls on the limiting block, the inner ring layer is located on the lower lifting arm, then the threaded hole of the tower drum is aligned with the through hole of the lifting appliance, the bolt is inserted, the lifting ring props against the hanging hook to enable the locking block to rotate clockwise based on the pin shaft, the lifting ring passes over the hanging hook, the lifting ring is reversely buckled by the gravity factor of the locking block and the inner ring layer of the limiting block to play a fixing role, the tower drum is fixed through the bolt, the phenomenon that the tower drum rotates at the lower lifting beam is avoided, the tower drum is prevented from being damaged, and the falling off due to the balance loss is avoided.

2. According to the utility model, the bolt is convenient to install and detach through the hanging ring at one end, meanwhile, the anti-drop frame is different from the common anti-drop design, and only the counterweight rod of the bolt is required to be lifted upwards when the steel cable on the hanging hook is detached, so that the operation is simple and the efficiency is high.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the structure of the spreader of the present utility model;

FIG. 3 is a schematic view of the structure of the anti-drop frame in the present utility model;

FIG. 4 is an enlarged schematic view of FIG. 1 at A;

FIG. 5 is a schematic view of a latch according to the present utility model;

FIG. 6 is a schematic view of a base structure according to the present utility model;

fig. 7 is a schematic structural view of a locking block in the present utility model.

In the figure, 1, a main body; 2, a tower cylinder, 3, a lifting appliance, 31, an upper lifting arm, 32, a lower lifting arm, 33, a limiting block, 34, a groove, 4, a lifting hook, 5, an anti-falling frame, 51, a bending block, 52, a counterweight rod, 53, a cross rod, 6, a bolt, 61, a lifting ring, 7, a base, 71, a transverse groove, 72, a vertical groove, 8, a locking block, 81, a hook, 82 and a pulling block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-7, the utility model provides a technical scheme that a tower crane device for a wind driven generator comprises a main body 1, wherein a tower 2 and a lifting appliance 3 are installed in the main body 1, a lifting hook 4 is arranged at the top of the lifting appliance 3, an anti-falling frame 5 is installed in the lifting hook 4, an upper lifting arm 31 and a lower lifting arm 32 are arranged in the lifting appliance 3, a limiting block 33 is arranged on the lower lifting arm 32, a groove 34 is formed in one side of the lifting appliance 3, a bending block 51 is installed in the anti-falling frame 5, a counterweight rod 52 is installed at one end of the anti-falling frame 5, a cross rod 53 is installed at the other end of the anti-falling frame 5, a plug pin 6 penetrates through the groove 34, a lifting ring 61 is installed at one end of the plug pin 6, a base 7 is installed on the inner wall of the groove 34, a transverse groove 71 and a vertical groove 72 are respectively formed in the base 7, a locking block 8 is arranged in the vertical groove 72, a hook 81 is installed at one end of the locking block 8, and a pulling block 82 is installed at the same side of the hook 81.

The upper suspension arm 31 and the lower suspension arm 32 are arranged at intervals, and meanwhile, the lifting appliance 3 and the lifting hook 4 are connected through a steel cable.

The upper outer wall of the limiting block 33 is arc-shaped, and meanwhile, a protruding block of the arc-shaped outer wall is arranged at the outer wall of the lower suspension arm 32 and is positioned at the left side of the limiting block 33.

The bending blocks 51 are symmetrically arranged, connecting seats are arranged at the bending positions of the bending blocks 51 and on the inner wall of the lifting hook 4, and the bending blocks 51 and the lifting hook 4 are rotationally connected through pin shafts penetrating through the connecting seats. The bending block 51 is divided into a long rod and a short rod, the long rod is positioned at the outer side of the lifting hook 4, the short rod is positioned at the inner side of the lifting hook 4, and the weight of the counterweight rod 52 is greater than that of the cross rod 53. The gravity on the long pole side of the bending block 51 is greater than that on the short pole side, the anti-drop frame 5 is rotatably arranged on the lifting hook 4, the anti-drop frame 5 can be rotated clockwise on one side of the long pole according to the lever principle, one end of the cross rod 53 is always propped against the inner wall of the lifting hook 4, meanwhile, the anti-drop frame 5 is arranged at the position, the length of the cross rod 53 is greater than the inner diameter of the lifting hook 4, and the cross rod 53 cannot overturn outside the lifting hook 4.

The lifting appliance 3 is provided with a through hole at the penetrating position of the bolt 6, and the through hole is positioned below the base 7.

The horizontal groove 71 and the vertical groove 72 are perpendicular to each other, and the horizontal groove 71 and the vertical groove 72 respectively penetrate through the outer wall of the base 7.

The pull block 82 is located on the upper side of the base 7, the hook 81 is located in the transverse groove 71, a pin shaft is arranged at the bottom of the vertical groove 72, and the locking block 8 is rotatably installed inside the vertical groove 72 through the pin shaft.

The working principle is that the tower drum 2 is inserted between the upper suspension arm 31 and the lower suspension arm 32, the tower drum 2 moves to the inner side of the lower suspension arm 32 along the outer wall of the upper suspension arm 31, when the inner ring layer of the tower drum 2 passes over the limiting block 33 and then the lifting hook 4 integrally pulls up the lifting appliance 3, the inner wall of the tower drum 2 falls on the limiting block 33, the inner ring layer of the tower drum 2 sits on the arc-shaped protruding block of the lower suspension arm 32, then the threaded hole of the tower drum 2 and the through hole on the lifting appliance 3 are aligned and then inserted into the bolt 6, the lifting ring 61 is aligned with the transverse groove 71 and slides in, the lifting ring 61 butts against the hanging hook 81 to enable the locking piece 8 to rotate clockwise based on a pin shaft, the lifting ring 61 passes over the hanging hook 81, the hanging ring 61 is reversely buckled by the gravity factor of the locking piece 8, the hanging ring 61 is fixed, the lifting piece 82 is lifted upwards when the lifting hook is dismounted, the lifting hook 61 can be directly pulled out, the counter weight rod 52 is lifted upwards when the anti-falling frame 5 is used, the anti-falling frame 5 rotates anticlockwise, the transverse rod 53 moves inwards, the lifting hook 4 can be normally dismounted, and on the contrary, one end of the transverse rod 53 always butts against the inner wall of the lifting hook 4.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A tower barrel lifting device of a wind driven generator comprises a main body (1) and is characterized in that a tower barrel (2) and a lifting appliance (3) are installed in the main body (1), a lifting hook (4) is arranged at the top of the lifting appliance (3), an anti-falling frame (5) is installed in the lifting hook (4), an upper suspension arm (31) and a lower suspension arm (32) are arranged in the lifting appliance (3), a limiting block (34) is arranged on the lower suspension arm (32), a groove (34) is formed in one side of the lifting appliance (3), a bending block (51) is installed in the anti-falling frame (5), a counterweight rod (52) is installed at one end of the anti-falling frame (5), a cross rod (53) is installed at the other end of the anti-falling frame (5), a plug pin (6) penetrates through the groove (34), a lifting ring (61) is installed at one end of the plug pin (6), a base (7) is installed on the inner wall of the groove (34), a transverse groove (71) and a vertical groove (72) are respectively formed in the base (7), a locking block (8) is installed in the vertical groove (72), and a hook (81) is installed at one end of the same with the locking block (8).

2. A wind driven generator tower lifting device according to claim 1, wherein the upper suspension arm (31) and the lower suspension arm (32) are arranged at intervals, and the lifting appliance (3) and the lifting hook (4) are connected through a steel cable.

3. A wind driven generator tower lifting device according to claim 2, wherein the outer wall of the upper side of the limiting block (33) is arc-shaped, and a lug of the arc-shaped outer wall is arranged at the outer wall of the lower suspension arm (32), and the lug is positioned at the left side of the limiting block (33).

4. A wind driven generator tower lifting device according to claim 3 is characterized in that the bending blocks (51) are symmetrically arranged, connecting seats are arranged at the bending positions of the bending blocks (51) and on the inner wall of the lifting hook (4), and the bending blocks (51) and the lifting hook (4) are rotatably connected through pin shafts penetrating through the connecting seats.

5. A wind driven generator tower lifting device according to claim 4, wherein the bending block (51) is divided into a long rod and a short rod, the long rod is positioned at the outer side of the lifting hook (4), the short rod is positioned at the inner side of the lifting hook (4), and the weight of the counterweight rod (52) is larger than that of the cross rod (53).

6. The wind driven generator tower lifting device according to claim 5, wherein the lifting appliance (3) is provided with a through hole at the penetrating part of the bolt (6), and the through hole is positioned below the base (7).

7. A wind driven generator tower crane according to claim 6, wherein the transverse grooves (71) and the vertical grooves (72) are arranged vertically to each other, and the transverse grooves (71) and the vertical grooves (72) penetrate through the outer wall of the base (7) respectively.

8. The wind driven generator tower crane device according to claim 7, wherein the pull block (82) is located on the upper side of the base (7), the hook (81) is located in the transverse groove (71), a pin shaft is arranged at the bottom of the vertical groove (72), and the locking block (8) is rotatably installed inside the vertical groove (72) through the pin shaft.