Variable-pitch bearing hoisting clamp

Abstract

The utility model discloses a variable-pitch bearing hoisting clamp, which relates to the technical field of variable-pitch bearing transportation, and comprises a hoisting chain, a connecting mechanism arranged above the hoisting chain, the connecting mechanism comprises a connecting hook, a connecting block is fixedly connected above the connecting hook, a clamping plate is arranged on the top surface of the connecting block, and the clamping plate is arranged on the top surface of the connecting block. A sliding rod sleeved with a lifting chain is fixedly arranged between the inner surfaces of the two sides of the clamping plate; and the hanging mechanism is used for hooking the variable-pitch bearing and is detachably mounted below the connecting hook, the hanging mechanism comprises a U-shaped rod, a fixing plate is fixedly arranged at one end of the U-shaped rod, a mounting plate is fixedly arranged at the end, away from the U-shaped rod, of the U-shaped rod, and the mounting plate and the fixing plate are matched to clamp the variable-pitch bearing. The variable-pitch bearing hoisting clamp facilitates stable hoisting of the variable-pitch bearing, and is high in safety, convenient to disassemble or assemble and convenient and fast to use.

Description

Technical Field

[0001] The utility model relates to the technical field of variable pitch bearing transportation, in particular to a variable pitch bearing lifting fixture. Background Art

[0002] The pitch bearing is one of the core components of a wind turbine. It is responsible for connecting the rotor hub and rotor blades and controlling the windward angle of the blades, thereby controlling the speed of the wind rotor and the output power of the wind turbine. The design of this bearing allows the blades to adjust according to changes in wind speed and direction to optimize the capture and conversion efficiency of wind energy.

[0003] The existing variable pitch bearing is heavy, and a lifting device is required when installing the variable pitch bearing. However, the current lifting device for lifting the variable pitch bearing directly uses a hook and a chain to lift the variable pitch bearing. The variable pitch bearing may slip, which has low safety. In addition, the existing lifting device is inconvenient to disassemble and install, and has low work efficiency.

[0004] Therefore, in order to solve the above problems, the applicant needs to design a pitch bearing lifting fixture to solve the problem. Summary of the Invention

[0005] The purpose of the present utility model is to provide a pitch bearing lifting fixture to solve the problems mentioned in the above background technology.

[0006] To achieve the above purpose, the present invention provides the following technical solutions: a pitch bearing lifting fixture, comprising a lifting chain,

[0007] The device further comprises: a connecting mechanism disposed above the hanging chain, the connecting mechanism comprising a connecting hook, a connecting block being fixedly connected above the connecting hook, a clamping plate being disposed on the top surface of the connecting block, and a sliding rod for sleeved with the hanging chain being fixedly disposed between the inner surfaces of both sides of the clamping plate;

[0008] A hanging mechanism for hooking the pitch bearing is disassembled and installed below the connecting hook. The hanging mechanism includes a U-shaped rod, and a fixing plate is fixedly provided at one end of the U-shaped rod. A mounting plate is fixedly provided at one end of the U-shaped rod away from the U-shaped rod, and the mounting plate cooperates with the fixing plate to clamp the pitch bearing.

[0009] Furthermore, a nylon cloth is detachably mounted on one side of the fixing plate, a fixing nail is detachably mounted on one side of the nylon cloth, and one end of the fixing nail is fixedly passed through the nylon cloth and extends to the interior of the fixing plate.

[0010] Through the above structural design, the nylon cloth and the fixing plate are easily connected through the fixing nails, and the nylon cloth is convenient for stably hanging the pitch bearing, which is highly safe.

[0011] Furthermore, a mounting hole is provided on one side of the nylon cloth, a threaded groove is provided on one side of the mounting plate, and the threaded groove is adapted to the mounting hole, and mounting screws for connecting the nylon cloth and the mounting plate are disassembled and installed inside the threaded groove.

[0012] Through the above structural design, the nylon cloth and the mounting plate are conveniently connected through the thread groove and the mounting hole by using the mounting screws, which makes the installation convenient and the connection stable.

[0013] Furthermore, a second safety lock is detachably installed on the outer side of the connecting hook to prevent the hanging mechanism from slipping, and one end of the second safety lock conflicts with the inner surface of the connecting hook.

[0014] Through the above structural design, the second safety lock can prevent the hanging mechanism from slipping, and the safety is high.

[0015] Furthermore, a pulley is provided on the outer side of the lifting chain, a connecting block is provided on the top surface of the pulley, and a fixing hook for disassembly and installation with an external support is provided on the top surface of the connecting block.

[0016] Through the above structural design, the length of the lifting chain can be adjusted through the pulley, thereby facilitating adjustment of the ground height of the pitch bearing. The fixing hook facilitates disassembly or installation of the lifting fixture, making it easy to use.

[0017] Furthermore, a first safety lock is detachably installed on the outer side of the fixing hook to prevent the fixing hook from being separated from an external support, and one end of the first safety lock is in conflict with the inner surface of the fixing hook.

[0018] Through the above structural design, the first safety lock is used to prevent the fixing hook from being separated from the external support, which has high safety.

[0019] Compared with the prior art, the beneficial effects of the present invention are: the pitch bearing lifting fixture is convenient for stably lifting the pitch bearing, has high safety, is easy to disassemble or install, and is convenient to use. The specific contents are as follows:

[0020] 1. A hanging mechanism is provided. When in use, loosen the mounting screws to separate the nylon cloth from the mounting plate, and place the pitch bearing between the fixed plate and the mounting plate. After placement, align the thread groove and the mounting hole, and tighten the mounting screws. The mounting screws will firmly connect the nylon cloth and the mounting plate, making it easy to hang the pitch bearing with strong stability and high safety.

[0021] 2. A connecting mechanism is provided. When in use, external force is used to press the second safety lock and hang the U-shaped rod on the connecting hook. After hanging, the external force on the second safety lock is released, and the second safety lock will conflict with the connecting hook. At the same time, external force is used to press the first safety lock and hang the fixed hook on an external support. After hanging, the external force on the first safety lock is released, and the first safety lock will conflict with the fixed hook, which is convenient for firmly connecting the fixed hook and the external support. It is easy to install and use. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the overall three-dimensional structure of the utility model;

[0023] Figure 2 This is a schematic diagram of the three-dimensional structure of the connecting mechanism of the utility model;

[0024] Figure 3 This is a schematic diagram of the three-dimensional right side structure of the hanging mechanism of the utility model;

[0025] Figure 4 It is a schematic diagram of the three-dimensional left-side structure of the hanging mechanism of the utility model.

[0026] In the figure: 1. Lifting chain; 2. Connecting mechanism; 3. Hanging mechanism; 10. Pulley; 11. Connecting block; 12. Fixing hook; 13. First safety lock; 20. Connecting hook; 21. Second safety lock; 22. Connecting block; 23. Clamping plate; 24. Sliding rod; 30. U-shaped rod; 31. Fixing plate; 32. Fixing nail; 33. Nylon cloth; 34. Mounting plate; 35. Threaded groove; 36. Mounting hole; 37. Mounting screw. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0028] like Figure 1-Figure 4As shown, a variable pitch bearing lifting fixture of the utility model includes a lifting chain 1 and a connecting mechanism 2, which is arranged above the lifting chain 1, and the connecting mechanism 2 includes a connecting hook 20, and a connecting block 22 is fixedly connected to the top of the connecting hook 20, and a clamping plate 23 is provided on the top surface of the connecting block 22, and a sliding rod 24 for sleeved with the lifting chain 1 is fixedly provided between the inner surfaces of both sides of the clamping plate 23, and a second safety lock 21 for preventing the hanging mechanism 3 from slipping is disassembled and installed on the outer side of the connecting hook 20, and one end of the second safety lock 21 conflicts with the inner surface of the connecting hook 20, a pulley 10 is provided on the outer side of the lifting chain 1, a connecting member 11 is provided on the top surface of the pulley 10, and a fixing hook 12 for disassembly and installation with an external support is provided on the top surface of the connecting member 11, and a first safety lock 13 for preventing the fixing hook 12 from detaching from the external support is disassembled and installed on the outer side of the fixing hook 12, and one end of the first safety lock 13 conflicts with the inner surface of the fixing hook 12.

[0029] Through the above-mentioned structural design, when in use, use external force to press the second safety lock 21 and hang the U-shaped rod 30 on the connecting hook 20. After hanging, the external force on the second safety lock 21 is released, and the second safety lock 21 will conflict with the connecting hook 20. At the same time, use external force to press the first safety lock 13 and hang the fixed hook 12 on an external support. After hanging, the external force on the first safety lock 13 is released, and the first safety lock 13 will conflict with the fixed hook 12, which facilitates the firm connection between the fixed hook 12 and the external support, is easy to install, and is convenient to use.

[0030] A hanging mechanism 3 for hooking the pitch bearing is provided, and the hanging mechanism 3 is disassembled and installed below the connecting hook 20. The hanging mechanism 3 includes a U-shaped rod 30, and a fixing plate 31 is fixedly provided at one end of the U-shaped rod 30. A mounting plate 34 is fixedly provided at one end of the U-shaped rod 30 away from the U-shaped rod 30, and the mounting plate 34 cooperates with the fixing plate 31 to clamp the pitch bearing. A nylon cloth 33 is disassembled and installed on one side of the fixing plate 31, and a fixing nail 32 is disassembled and installed on one side of the nylon cloth 33, and one end of the fixing nail 32 is fixed through the nylon cloth 33 and extends to the inside of the fixing plate 31. A mounting hole 36 is provided on one side of the nylon cloth 33, and a threaded groove 35 is provided on one side of the mounting plate 34, and the threaded groove 35 is adapted to the mounting hole 36. A mounting screw 37 connecting the nylon cloth 33 and the mounting plate 34 is disassembled and installed inside the threaded groove 35.

[0031] Through the above structural design, when in use, loosen the mounting screws 37 to separate the nylon cloth 33 from the mounting plate 34, and place the pitch bearing between the fixing plate 31 and the mounting plate 34. After placement, align the thread groove 35 and the mounting hole 36, and tighten the mounting screws 37. The mounting screws 37 will firmly connect the nylon cloth 33 and the mounting plate 34, making it easy to hang the pitch bearing with strong stability and high safety.

[0032] Working principle: When using the variable pitch bearing lifting fixture, use external force to press the second safety lock 21 and hang the U-shaped rod 30 on the connecting hook 20. When it is hung, release the external force on the second safety lock 21, and the second safety lock 21 will conflict with the connecting hook 20. At the same time, use external force to press the first safety lock 13 and hang the fixed hook 12 on an external support. When it is hung, release the external force on the first safety lock 13, and the first safety lock 13 will conflict with the fixed hook 12, so as to firmly connect the fixed hook 12 and the external support. After installation, loosen the mounting screw 37 to separate the nylon cloth 33 from the mounting plate 34, and place the variable pitch bearing between the fixing plate 31 and the mounting plate 34. After placement, align the thread groove 35 and the mounting hole 36, and tighten the mounting screw 37. The mounting screw 37 will firmly connect the nylon cloth 33 and the mounting plate 34, which is convenient for hanging the variable pitch bearing, with strong stability and high safety.

[0033] Based on the above-mentioned ideal embodiment of the present invention, and in accordance with the above description, relevant personnel can make various changes and modifications without departing from the technical scope of the present invention. The technical scope of the present invention is not limited to the content of the specification, but must be determined according to the scope of the claims.

Claims

1. A pitch bearing lifting fixture, comprising a lifting chain (1), It is characterized by: Also includes: A connecting mechanism (2) is arranged above the hanging chain (1), the connecting mechanism (2) includes a connecting hook (20), and a connecting block (22) is fixedly connected above the connecting hook (20), a clamping plate (23) is provided on the top surface of the connecting block (22), and a sliding rod (24) for sleeve-mounting the hanging chain (1) is fixedly provided between the inner surfaces of both sides of the clamping plate (23); A hanging mechanism (3) for hooking a variable pitch bearing is provided, and the hanging mechanism (3) is disassembled and installed below the connecting hook (20), the hanging mechanism (3) comprises a U-shaped rod (30), and a fixing plate (31) is fixedly provided at one end of the U-shaped rod (30), and a mounting plate (34) is fixedly provided at one end of the U-shaped rod (30) away from the U-shaped rod (30), and the mounting plate (34) cooperates with the fixing plate (31) to clamp the variable pitch bearing.

2. The pitch bearing lifting fixture according to claim 1, characterized in that: A nylon cloth (33) is detachably mounted on one side of the fixing plate (31), and a fixing nail (32) is detachably mounted on one side of the nylon cloth (33), with one end of the fixing nail (32) fixedly passing through the nylon cloth (33) and extending into the interior of the fixing plate (31).

3. The pitch bearing lifting fixture according to claim 2, characterized in that: A mounting hole (36) is provided on one side of the nylon cloth (33), and a threaded groove (35) is provided on one side of the mounting plate (34), wherein the threaded groove (35) is adapted to the mounting hole (36), and a mounting screw (37) for connecting the nylon cloth (33) and the mounting plate (34) is installed and disassembled inside the threaded groove (35).

4. The pitch bearing lifting fixture according to claim 1, characterized in that: A second safety lock (21) for preventing the hanging mechanism (3) from sliding is detachably installed on the outer side of the connecting hook (20), and one end of the second safety lock (21) is in conflict with the inner surface of the connecting hook (20).

5. The pitch bearing lifting fixture according to claim 1, characterized in that: A pulley (10) is provided on the outside of the lifting chain (1), a connecting piece (11) is provided on the top surface of the pulley (10), and a fixing hook (12) for detaching and installing with an external support is provided on the top surface of the connecting piece (11).

6. The pitch bearing lifting fixture according to claim 5, characterized in that: A first safety lock (13) is detachably installed on the outer side of the fixing hook (12) to prevent the fixing hook (12) from being separated from an external support, and one end of the first safety lock (13) is in conflict with the inner surface of the fixing hook (12).

Images