CN219751729U

CN219751729U - Hoisting device

Info

Publication number: CN219751729U
Application number: CN202321235662.8U
Authority: CN
Inventors: 王永生; 马春龙; 张兴旺; 于自强; 余刚; 李世飞; 刘仁泉; 卢国杰
Original assignee: Huadian Heavy Industries Co Ltd
Current assignee: Huadian Heavy Industries Co Ltd
Priority date: 2023-05-19
Filing date: 2023-05-19
Publication date: 2023-09-26
Anticipated expiration: 2033-05-19

Abstract

The utility model relates to the technical field of wind turbine generator tower drum installation, and discloses a hoisting device which comprises a first telescopic component, wherein the first telescopic component can realize up-and-down movement of hoisted equipment (articles) in the vertical direction; the fixed disc is arranged at one telescopic end of the first telescopic component, and cross beams extending towards the direction deviating from the fixed disc are arranged on the two opposite sides of the fixed disc; the beam comprises a first sleeve and a second sleeve, and the second sleeve can stretch and retract relative to the first sleeve, so that the operation radius of the suspended equipment (articles) is adjusted; a lifting hook is arranged at one end of the cross beam, which is far away from the fixed disc; the steering assembly is arranged at one end of the telescopic section, which is far away from the fixed section, and can drive the fixed disc to rotate relative to the telescopic section, so that 360-degree rotation of the suspended equipment (articles) in the horizontal direction is realized. Compared with the traditional manual carrying torque wrench, the lifting device provided by the utility model is more time-saving and labor-saving, and can improve the working efficiency.

Description

Hoisting device

Technical Field

The utility model relates to the technical field of wind turbine generator tower drum installation, in particular to a hoisting device.

Background

When the power of the offshore wind power generation set is larger, the volume of the tower barrel is correspondingly increased, and bolts for connecting the tower barrel are larger and larger. At present, in the installation process of the tower barrel, the bolts are required to be fastened through the heavy torque wrench, but as the bolts become larger, the size and the weight of the torque become larger correspondingly, so that the physical consumption of operators in the process of carrying and lifting the torque wrench is very large, and the installation efficiency is low.

Disclosure of Invention

In view of the above, the utility model provides a hoisting device to solve the problems that the traditional manual torque wrench is low in efficiency and cannot be continuously carried.

The utility model provides a hoisting device, comprising:

the first telescopic assembly comprises a telescopic section and a fixed section, and the telescopic section can stretch and retract relative to the fixed section;

the fixed disc is arranged at one end of the telescopic section, which is far away from the fixed section, and the two opposite sides of the fixed disc are provided with cross beams which extend towards the direction away from the fixed disc;

the beam comprises a first sleeve and a second sleeve, one end of the first sleeve is connected with the fixed disc, the other end of the first sleeve is connected with the second sleeve, and the second sleeve can stretch and retract relative to the first sleeve; a lifting hook is arranged at one end of the second sleeve, which is far away from the first sleeve;

the steering assembly is arranged at one end of the telescopic section, which is far away from the fixed section, and can drive the fixed disc to rotate relative to the telescopic section.

Through first flexible subassembly, hoist device's lifting height scope can be adjusted to hoist torque wrench to different heights, in order to realize fastening the bolt of tower section of thick bamboo different positions department. Further, through setting up steering assembly and being provided with the crossbeam of adjustable length at the fixed disk, can realize the regulation to hoist device's working radius scope to adapt to the bolt-up work demand of tower section of thick bamboo different shape position department. Compared with the traditional manual carrying torque wrench, the lifting device provided by the utility model saves time and physical strength of operators, and greatly improves the installation efficiency of the tower barrel.

In an alternative embodiment, the first sleeve is sleeved outside the second sleeve, and the second sleeve can stretch and retract relative to the first sleeve along the length direction of the cross beam; a plurality of positioning through holes are formed in the peripheral side of the outer wall of the first sleeve at intervals, and movable positioning pieces are arranged in each positioning through hole. In the length adjustment process of the cross beam, after the second sleeve is adjusted, the second sleeve can slightly move in the first sleeve, so that a plurality of positioning through holes are formed in the peripheral side of the outer wall of the first sleeve at intervals, and the movable positioning piece in the positioning through holes is adjusted to enable the movable positioning piece to be in contact with the outer wall of the second sleeve, so that the position of the second sleeve is fixed, the use safety of the second sleeve is improved, and smooth installation of the tower is guaranteed.

In an alternative embodiment, the second sleeve is sleeved outside the first sleeve, and the second sleeve can stretch and retract relative to the first sleeve along the length direction of the cross beam; a plurality of positioning through holes are formed in the peripheral side of the outer wall of the second sleeve at intervals, and movable positioning pieces are arranged in each positioning through hole. In the length adjustment process of the cross beam, after the second sleeve is adjusted, the first sleeve can slightly move in the second sleeve, so that a plurality of positioning through holes are formed in the peripheral side of the outer wall of the second sleeve at intervals, and the movable positioning piece in the positioning through holes is adjusted to enable the movable positioning piece to be in contact with the outer wall of the first sleeve, so that the position of the first sleeve is fixed, the use safety of the second sleeve is improved, and smooth installation of the tower is guaranteed.

In an alternative embodiment, the steering assembly adopts a steering bearing, a first supporting rod is sleeved on the inner ring of the steering bearing, one end of the first supporting rod is connected with the telescopic section, and the other end of the first supporting rod is connected with the fixed disc; an outer ring of the steering bearing is sleeved at one end of the telescopic section, which is far away from the fixed section. In the installation of a tower, the bolts are fastened symmetrically in the fastening sequence, so that the steering bearing is adopted to realize 360-degree rotation of the cross beam under the condition of lower cost, and the cross beam is arranged on two sides of the fixed disc relatively, so that the bolts at the same height and at mutually symmetrical positions of the tower can be fastened simultaneously. In addition, install steering bearing in the flexible section, can restrict steering bearing outer lane's rotation to guarantee that the fixed disk rotates for first flexible subassembly. Further, be provided with first bracing piece between steering component and fixed disk, can be indirect increase first flexible subassembly's accommodation, and then satisfy the demand of the bolt-up work of tower section of thick bamboo higher position department.

In an alternative embodiment, the steering assembly adopts a steering bearing, and the inner ring of the steering bearing is sleeved with a telescopic section; the outer ring of the steering bearing is sleeved with a first supporting rod, one end of the first supporting rod is connected with the telescopic section, and the other end of the first supporting rod is connected with the fixed disc. In the installation of a tower, the bolts are fastened symmetrically in the fastening sequence, so that the steering bearing is adopted to realize 360-degree rotation of the cross beam under the condition of lower cost, and the cross beam is arranged on two sides of the fixed disc relatively, so that the bolts at the same height and at mutually symmetrical positions of the tower can be fastened simultaneously. In addition, the steering bearing is arranged in the telescopic section, so that the rotation of the inner ring of the steering bearing can be limited, and the fixed disc is guaranteed to rotate relative to the first telescopic assembly. Further, be provided with first bracing piece between steering component and fixed disk, can be indirect increase first flexible subassembly's accommodation, and then satisfy the demand of the bolt-up work of tower section of thick bamboo higher position department.

In an alternative embodiment, an axial cavity is provided in the fixed section, and the telescoping section is telescoping within the axial cavity relative to the fixed section. The axial cavity is arranged in the fixed section, a movement path is reserved for the expansion and contraction of the telescopic section, the structure of the first telescopic assembly is optimized, and the occupied space of the first telescopic assembly is reduced when the first telescopic assembly is in a contracted state.

In an alternative embodiment, a second support bar is provided between the first support bar and the cross beam. It can be understood that along with the length of the cross beam, when the moment wrench is hung on the lifting hook of the cross beam, the joint of the cross beam and the fixed disc can be subjected to larger acting force due to leverage, and the cross beam is easy to deform, so that the normal operation of the lifting device is influenced. In order to ensure the normal operation of the lifting device and the safety of operators, a triangular structure is formed by arranging a second supporting rod between the first supporting rod and the cross beam, so that the stability of the cross beam is improved.

In an alternative embodiment, a removable connection is used between the cross beam and the fixed disk. Because of the leverage, the joint of the cross beam and the fixed disc can bear larger force, and the cross beam is easy to deform, so that the cross beam and the fixed disc are detachably connected, such as riveted connection, so that the cross beam is convenient to maintain or replace in the later period.

In an alternative embodiment, the end of the fixed section remote from the telescopic section is provided with a base. The base is arranged at one end of the fixed section, which is far away from the telescopic section, so that the contact area between the first telescopic component and the ground can be increased, and the installation stability of the hoisting device is improved.

In an alternative embodiment, the base mounts a plurality of wheels. Through being provided with a plurality of wheels on the base, can increase hoist device's mobility, after a tower section of thick bamboo accomplishes the installation, can remove hoist device to adjacent tower section of thick bamboo department of waiting to install in the short time, saved installation time, improved the transport convenience.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a hoisting device according to an embodiment of the present utility model;

reference numerals illustrate:

1. a first telescoping assembly; 101. a telescoping section; 102. a fixed section; 2. a fixed plate; 201. a cross beam; 202. a lifting hook; 3. a steering assembly; 4. a first support bar; 5. a second support bar; 6. a chassis; 7. a wheel; 8. a torque wrench.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. 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.

Aiming at the problems that the traditional manual carrying torque wrench is low in efficiency and cannot be continuously carried, the utility model provides a lifting device.

An embodiment of the present utility model is described below with reference to fig. 1.

According to an embodiment of the present utility model, there is provided a lifting device including: a first telescopic assembly 1, a fixed disc 2 and a steering assembly 3.

Specifically, the first telescopic assembly 1 includes a telescopic section 101 and a fixed section 102, the telescopic section 101 being telescopic with respect to the fixed section 102; the fixed disc 2 is arranged at one end of the telescopic section 101 away from the fixed section 102, and the two opposite sides of the fixed disc 2 are provided with cross beams 201 extending towards the direction away from the fixed disc 2; the cross beam 201 comprises a first sleeve and a second sleeve, one end of the first sleeve is connected with the fixed disc 2, the other end of the first sleeve is connected with the second sleeve, and the second sleeve can stretch and retract relative to the first sleeve; the end of the second sleeve, which is far away from the first sleeve, is provided with a lifting hook 202; the steering assembly 3 is mounted at one end of the telescopic section 101 far away from the fixed section 102, and the steering assembly 3 can drive the fixed disc 2 to rotate relative to the telescopic section 101.

In a specific embodiment, as shown in fig. 1, the fixed section 102 of the first telescopic assembly 1 is arranged perpendicular to the ground, and the telescopic section 101 is capable of telescoping in a direction away from the ground. Therefore, through the first telescopic assembly 1, the lifting height range of the lifting device can be adjusted, the torque wrench 8 is placed on the lifting hook 202 of the cross beam 201, and then the torque wrench 8 is lifted to different heights, so that an operator can take down the torque wrench 8 to fasten bolts at different positions of the tower. Further, through setting up steering assembly 3 and being provided with length adjustable crossbeam 201 at fixed disk 2, operating personnel can realize the regulation to hoist device's working radius scope through adjusting second sleeve and then adjusting the length of crossbeam 201 according to the condition to adapt to the bolt-up work demand of tower section of thick bamboo different shape position department. Compared with the traditional manual carrying torque wrench 8, the lifting device provided by the utility model saves time and physical strength of operators, and greatly improves the installation efficiency of the tower.

According to one embodiment of the utility model, the first sleeve is sleeved outside the second sleeve, and the second sleeve can stretch and retract relative to the first sleeve along the length direction of the cross beam 201; a plurality of positioning through holes are formed in the peripheral side of the outer wall of the first sleeve at intervals, and movable positioning pieces are arranged in each positioning through hole. In the length adjustment process of the cross beam 201, after the second sleeve is adjusted, the second sleeve can slightly move in the first sleeve, so that a plurality of positioning through holes are formed in the peripheral side of the outer wall of the first sleeve at intervals, and the movable positioning piece in the positioning through holes is adjusted, such as a positioning pin shaft, so that the movable positioning piece is in contact with the outer wall of the second sleeve, the position of the second sleeve is fixed, the use safety of the second sleeve is improved, and smooth installation of the tower is ensured. It can be appreciated that the movable positioning member may also adopt other structures, such as positioning bolts, to fix the first sleeve and the second sleeve, and may be freely set by a person skilled in the art, so long as the relative fixing of the first sleeve and the second sleeve can be achieved, which is not described herein.

According to one embodiment of the utility model, the second sleeve is sleeved outside the first sleeve, and the second sleeve can stretch and retract relative to the first sleeve along the length direction of the cross beam 201; a plurality of positioning through holes are formed in the peripheral side of the outer wall of the second sleeve at intervals, and movable positioning pieces are arranged in each positioning through hole. In the length adjustment process of the cross beam 201, after the second sleeve is adjusted, the first sleeve can slightly move inside the second sleeve, so that a plurality of positioning through holes are formed in the peripheral side of the outer wall of the second sleeve at intervals, and the movable positioning piece in the positioning through holes is adjusted, such as a positioning pin shaft, so that the movable positioning piece is in contact with the outer wall of the first sleeve, the position of the first sleeve is fixed, the use safety of the second sleeve is improved, and smooth installation of the tower is ensured. It can be appreciated that the movable positioning member may also adopt other structures, such as positioning bolts, to fix the first sleeve and the second sleeve, and may be freely set by a person skilled in the art, so long as the relative fixing of the first sleeve and the second sleeve can be achieved, which is not described herein.

According to one embodiment of the utility model, the steering assembly 3 adopts a steering bearing, a first support rod 4 is sleeved on the inner ring of the steering bearing, one end of the first support rod 4 is connected with the telescopic section 101, and the other end of the first support rod 4 is connected with the fixed disc 2; an outer ring of the steering bearing is sleeved at one end of the telescopic section 101, which is far away from the fixed section 102.

In the installation process of the tower, the bolts are fastened symmetrically in the fastening sequence, so that the steering bearing is adopted to realize 360-degree rotation of the cross beam 201 under the condition of lower cost, and the cross beam 201 is oppositely arranged at two sides of the fixed disc 2, so that the bolts at the same height and at mutually symmetrical positions of the tower can be fastened simultaneously. Furthermore, the steering bearing is mounted in the telescopic section 101, so that the rotation of the outer ring of the steering bearing can be limited, and the rotation of the fixed disc 2 relative to the first telescopic assembly 1 is ensured.

It will be appreciated that when the height of the bolts on the tower exceeds the adjustment range of the first telescopic assembly 1, the lifting device cannot transport the torque wrench 8 to the required height. Therefore, the first supporting rod 4 is arranged between the steering assembly 3 and the fixed disc 2, so that the adjusting range of the first telescopic assembly 1 can be indirectly increased, and further, the smooth operation of bolt fastening at the higher position of the tower barrel is ensured.

According to one embodiment of the utility model, the steering assembly 3 adopts a steering bearing, and the inner ring of the steering bearing is sleeved with a telescopic section 101; the outer ring of the steering bearing is sleeved with a first supporting rod 4, one end of the first supporting rod 4 is connected with the telescopic section 101, and the other end of the first supporting rod 4 is connected with the fixed disc 2.

In the installation process of the tower, the bolts are fastened symmetrically in the fastening sequence, so that the steering bearing is adopted to realize 360-degree rotation of the cross beam 201 under the condition of lower cost, and the cross beam 201 is oppositely arranged at two sides of the fixed disc 2, so that the bolts at the same height and at mutually symmetrical positions of the tower can be fastened simultaneously. Furthermore, the steering bearing is mounted in the telescopic section 101, so that the rotation of the steering bearing inner ring can be limited, and the rotation of the fixed disc 2 relative to the first telescopic assembly 1 is ensured.

Further, be provided with first bracing piece 4 between steering component 3 and fixed disk 2, can be indirect increase the accommodation of first flexible subassembly 1, and then satisfy the demand of the bolt-up work of tower section of thick bamboo higher position department.

According to one embodiment of the utility model, an axial cavity is provided in the fixed segment 102, and the telescoping segment 101 is telescoping within the axial cavity relative to the fixed segment 102. The axial cavity is arranged in the fixed section 102, a movement path is reserved for the expansion and contraction of the expansion section 101, the structure of the first expansion assembly 1 is optimized, and the occupied space of the first expansion assembly 1 is reduced when the first expansion assembly 1 is in a contracted state.

It can be appreciated that when the fixing section 102 is provided with an axial cavity, the length of the axial cavity needs to be slightly smaller than that of the telescopic section 101, so as to avoid that other structures of the lifting device are in contact with the fixing section 102 due to excessive shrinkage of the telescopic section 101, so that the main body structure of the lifting device is deformed, and potential safety hazards are generated.

In a specific example, an axial cavity is provided in the telescoping section 101, and the fixed section 102 is provided in the axial cavity, the telescoping section 101 being capable of telescoping in an axial direction relative to the fixed section 102. It can be appreciated that the length of the axial cavity needs to be slightly smaller than that of the fixed section 102, so as to avoid that other structures of the hoisting device are contacted with the telescopic section 101 due to excessive shrinkage of the telescopic section 101, so that the main structure of the hoisting device is deformed, and potential safety hazards are generated.

According to one embodiment of the utility model, a second support bar 5 is provided between the first support bar 4 and the cross bar 201. It can be appreciated that, as the length of the beam 201 becomes longer, and when the moment wrench 8 is suspended on the hook 202 of the beam 201, the connection between the beam 201 and the fixed disc 2 receives a large force due to leverage, the beam 201 is easily deformed, thereby affecting the normal operation of the hoisting device. In order to ensure the normal operation of the lifting device and the safety of operators, a triangular structure is formed by arranging the second support rod 5 between the first support rod 4 and the cross beam 201, thereby improving the stability of the cross beam 201.

According to one embodiment of the utility model, a detachable connection is used between the cross beam 201 and the fixed disk 2. Due to the leverage, the joint of the beam 201 and the fixed disc 2 receives a larger acting force, and the beam 201 is easy to deform, so that the beam 201 and the fixed disc 2 are detachably connected, such as riveted connection, so that the beam 201 is convenient to maintain or replace in the later period.

According to one embodiment of the utility model, the end of the fixed segment 102 remote from the telescoping segment 101 is provided with a base. The base is arranged at one end, far away from the telescopic section 101, of the fixed section 102, so that the contact area between the first telescopic assembly 1 and the ground can be increased, and the installation stability of the hoisting device is improved.

According to one embodiment of the utility model, the base is fitted with a plurality of wheels 7. Through being provided with a plurality of wheels 7 on the base, can increase hoist device's mobility, after a tower section of thick bamboo accomplishes the installation, can remove hoist device to adjacent tower section of thick bamboo department of waiting to install in the short time, saved installation time, improved the transport convenience. In one example, the wheels 7 are universal wheels, so that the lifting device can be driven to move in any direction.

It can be appreciated that the application scene of the hoisting device provided by the utility model includes but is not limited to the scene of installation operation of a tower of an offshore wind turbine, an onshore wind turbine and the like.

Although embodiments of the present utility model have been described in connection with the accompanying drawings, various modifications and variations may be made by those skilled in the art without departing from the spirit and scope of the utility model, and such modifications and variations fall within the scope of the utility model as defined by the appended claims.

Claims

1. A lifting device, comprising:

-a first telescopic assembly (1) comprising a telescopic section (101) and a fixed section (102), said telescopic section (101) being telescopic with respect to said fixed section (102);

the fixed disc (2) is arranged at one end, far away from the fixed section (102), of the telescopic section (101), and cross beams (201) extending towards the direction away from the fixed disc (2) are arranged at two opposite sides of the fixed disc (2); the cross beam (201) comprises a first sleeve and a second sleeve, one end of the first sleeve is connected with the fixed disc (2), the other end of the first sleeve is connected with the second sleeve, and the second sleeve can stretch and retract relative to the first sleeve; a lifting hook (202) is arranged at one end of the second sleeve, which is far away from the first sleeve;

the steering assembly (3) is arranged at one end, far away from the fixed section (102), of the telescopic section (101), and the steering assembly (3) can drive the fixed disc (2) to rotate relative to the telescopic section (101).

2. The hoisting device according to claim 1, characterized in that the first sleeve is sleeved outside the second sleeve, and the second sleeve can stretch and retract relative to the first sleeve along the length direction of the cross beam (201); a plurality of positioning through holes are formed in the peripheral side of the outer wall of the first sleeve at intervals, and movable positioning pieces are arranged in each positioning through hole.

3. The hoisting device according to claim 1, characterized in that the second sleeve is sleeved outside the first sleeve, and the second sleeve can stretch and retract relative to the first sleeve along the length direction of the cross beam (201); a plurality of positioning through holes are formed in the peripheral side of the outer wall of the second sleeve at intervals, and movable positioning pieces are arranged in each positioning through hole.

4. Hoisting device according to claim 1, characterized in that the steering assembly (3) adopts a steering bearing, a first support rod (4) is sleeved on an inner ring of the steering bearing, one end of the first support rod (4) is connected with the telescopic section (101), and the other end of the first support rod (4) is connected with the fixed disc (2); and one end of the telescopic section (101) far away from the fixed section (102) is sleeved with an outer ring of the steering bearing.

5. Hoisting device according to claim 1, characterized in that the steering assembly (3) employs a steering bearing, the inner race of which is sleeved with the telescoping section (101); the outer ring of the steering bearing is sleeved with a first supporting rod (4), one end of the first supporting rod (4) is connected with the telescopic section (101), and the other end of the first supporting rod (4) is connected with the fixed disc (2).

6. Hoisting device according to any one of claims 4 or 5, characterized in that an axial cavity is provided in the fixed section (102), the telescopic section (101) being telescopic in relation to the fixed section (102) in the axial cavity.

7. Hoisting device according to any one of claims 4 or 5, characterized in that a second support bar (5) is arranged between the first support bar (4) and the cross beam (201).

8. Hoisting device according to any one of claims 1-5, characterized in that a detachable connection is used between the cross beam (201) and the stationary disc (2).

9. Hoisting device according to any one of claims 1-5, characterized in that the end of the stationary section (102) remote from the telescopic section (101) is provided with a base.

10. Hoisting device according to claim 9, characterized in that the foundation is fitted with a plurality of wheels (7).