CN220485158U - Crane tower body lifting device - Google Patents
Crane tower body lifting device Download PDFInfo
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- CN220485158U CN220485158U CN202322147382.8U CN202322147382U CN220485158U CN 220485158 U CN220485158 U CN 220485158U CN 202322147382 U CN202322147382 U CN 202322147382U CN 220485158 U CN220485158 U CN 220485158U
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- 230000009286 beneficial effect Effects 0.000 description 2
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Abstract
The utility model provides a crane tower body lifting device, which relates to the technical field of mechanical equipment and comprises a lifting ring, a lifting mechanism and a driving mechanism, wherein the lifting ring, the lifting mechanism and the driving mechanism are sleeved outside a sleeve frame, the lifting mechanism is connected with the lifting ring, the lifting mechanism works to drive the lifting ring to move along the height direction of the sleeve frame, the lifting ring comprises a lower ring and an upper ring which is rotatably arranged on the upper side of the lower ring, the lower ring and the upper ring are coaxial, the driving mechanism is fixed on the lower ring and is in transmission connection with the upper ring, and the driving mechanism works to push the upper ring to rotate relative to the lower ring. The device can effectively adjust the angle of the upper tower body of the lifting ring.
Description
Technical Field
The utility model relates to the technical field of mechanical equipment, in particular to a crane tower body lifting device.
Background
Lifting of the crane tower means that the main body part (also called tower) of the crane is lifted vertically to change the height of the crane. Through promoting the body of the tower, the hoist can adapt to the work demand of different height. In a crane, the tower is usually made up of a series of tower sections (standard sections), the height of which is changed by adding or removing tower sections. When the crane needs to be lifted, an operator can use proper equipment (such as a lifter, a lifting device of the crane and the like) to add tower sections to the top of the tower body one by one, so that the whole tower body is lifted.
When the offshore wind power tower is installed, the crane is positioned on the transport ship and is extremely unstable under the influence of the environment, and the working efficiency is low. For the above reasons, there is a conventional method of installing a crane on a tower to solve the stability problem of the crane.
The utility model patent with the publication number of CN108821133A provides a self-climbing crane based on a wind turbine tower body, wherein the crane is arranged on a crane upright post, the crane upright post is connected with a fan tower through three anchor clamps, two sides of the crane upright post are provided with T-shaped rails, a top anchor clamp and a middle anchor clamp are connected with the T-shaped rails of the crane upright post through sliding rails on the crane upright post, the top anchor clamp and the middle anchor clamp can slide up and down along the axial direction on the T-shaped rails of the crane upright post, the bottom anchor clamp is hinged with the crane upright post through a pin shaft, an anchor clamp lifting winch is arranged at the lower side of the top anchor clamp, the lifting winch is connected with the middle anchor clamp through a rope, and the anchor clamp lifting winch is used for lifting the middle anchor clamp after the top anchor clamp is fixed to tightly hold the fan tower, so that the position of the middle anchor clamp is lifted; and when the middle section anchor ear holds the crane upright post tightly, the self-climbing crane is lifted by the contraction of the lifting hydraulic cylinder, so that the self-climbing of the crane is realized. The applicant has found that the existing tower body needs to be checked for position (angle) before installation, which, when connected with the hydraulic cylinder, results in a later angle that cannot be adjusted and needs to be disassembled for reinstallation.
Disclosure of Invention
The utility model aims to provide a crane tower body lifting device, which aims to solve the technical problem that the position of a tower body needs to be confirmed before installation in the prior art.
In order to solve the problems, the utility model relates to a crane tower body lifting device which adopts the following technical scheme:
the utility model provides a crane tower body lifting device which comprises a lifting ring, a lifting mechanism and a driving mechanism, wherein the lifting ring, the lifting mechanism and the driving mechanism are sleeved outside a sleeve frame, the lifting mechanism is connected with the lifting ring, the lifting mechanism works to drive the lifting ring to move along the height direction of the sleeve frame, the lifting ring comprises a lower ring and an upper ring which is rotatably arranged on the upper side of the lower ring, the lower ring and the upper ring are coaxial, the driving mechanism is fixed on the lower ring and is in transmission connection with the upper ring, and the driving mechanism works to push the upper ring to rotate relative to the lower ring.
Preferably, the driving mechanism is a motor, the motor is fixed on the lower ring, a gear is sleeved on a driving shaft of the motor, teeth meshed with the gear are arranged on the peripheral wall of the upper ring, and the motor works to drive the upper ring to rotate.
Preferably, the lifting mechanism comprises a winch fixed on the mounting platform, a fixed pulley block fixed on the sleeve frame and a movable pulley block fixed on the lifting ring, and a steel wire rope of the winch sequentially bypasses the fixed pulley block and the movable pulley block and is connected to the winch.
Preferably, the upper ring comprises a first structure and a second structure, the first structure and the second structure are connected in a head-to-tail detachable mode to form a lower structure used for being sleeved outside the sleeve frame, the lower ring comprises a third structure and a fourth structure, and the third structure and the fourth structure are connected in a head-to-tail detachable mode to form an upper structure used for being sleeved outside the sleeve frame.
Preferably, a bearing is provided between the upper and lower rings.
The beneficial effects of the utility model are as follows:
compared with the prior art, the lifting device for the crane tower body comprises a lifting ring, a lifting mechanism and a driving mechanism, wherein the lifting ring, the lifting mechanism and the driving mechanism are sleeved on the outer side of a sleeve frame, the lifting mechanism is connected with the lifting ring and works to drive the lifting ring to move along the height direction of the sleeve frame, the lifting ring comprises a lower ring and an upper ring which is rotatably arranged on the upper side of the lower ring, the lower ring and the upper ring are coaxial, the driving mechanism is fixed on the lower ring and is in transmission connection with the upper ring, and the driving mechanism works to push the upper ring to rotate relative to the lower ring. The device is used for lifting the tower body sleeved on the outer side of the sleeve frame, the tower body is arranged on the upper side of the lifting ring, the relative position between the tower body and the sleeve frame can be adjusted through rotation of the lifting ring, and the lifting mechanism can drive the tower body to adjust the height of the tower body on the sleeve frame.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present utility model, the following briefly describes the drawings that are required to be used in the embodiments:
FIG. 1 is a schematic diagram of a crane tower lifting apparatus;
FIG. 2 is a schematic view of the other side structure of FIG. 1;
FIG. 3 is a schematic view of the construction of a lifting ring;
fig. 4 is a diagram showing the fitting relationship between the upper ring and the lower ring.
Reference numerals illustrate: 1. a tower; 2. a sleeve frame; 3. a lifting ring; 31. a ring is arranged; 32. a lower ring; 41. a hoist; 42. a fixed pulley block; 43. a movable pulley block; 44. a wire rope; 5. a driving mechanism; 6. and (3) a bearing.
Detailed Description
In order to make the technical purpose, technical scheme and beneficial effect of the present utility model more clear, the technical scheme of the present utility model is further described below with reference to the accompanying drawings and specific embodiments.
The utility model provides a crane tower body lifting device which is used for lifting the height of a tower body standard knot positioned at the outer side of a tower drum 1, and comprises a sleeve frame 2, a lifting ring 3, a lifting mechanism and a driving mechanism 5, wherein the sleeve frame 2 is sleeved at the outer side of the tower drum 1, the lifting ring 3 is sleeved at the outer side of the sleeve frame 2, the lifting mechanism is matched with the lifting ring 3, the lifting mechanism works to drive the lifting ring 3 to move along the height direction of the sleeve frame 2, the lifting ring 3 is used for installing a standard knot (the tower body of a crane) sleeved at the outer side of the sleeve frame 2, namely, the lifting ring 3 moves to drive the standard knot to move, the lifting ring 3 comprises a lower ring 32 and an upper ring 31 which is in rotating fit with the lower ring 32, the upper ring 31 is positioned at the upper side of the lower ring 32, the lower ring 32 and the upper ring 31 are coaxial, the driving mechanism 5 is fixed on the lower ring 32 and is in transmission connection with the upper ring 31, the driving mechanism 5 works to push the upper ring 31 to rotate relative to the lower ring 32 so that the upper ring 31 rotates along the central axis, the standard knot is arranged on the upper ring 31, and the upper ring 31 rotates to adjust the position of the standard knot relative to the tower drum 1.
The driving mechanism 5 is set as a motor, the motor is fixed on the lower ring 32, a gear is sleeved on a driving shaft of the motor, a tooth set arranged along the circumferential wall direction of the upper ring 31 is arranged on the circumferential wall of the upper ring 31, so that the upper ring 31 (the tooth set of the upper ring 31) is meshed with the gear, the gear rotates to drive the upper ring 31 to rotate, and the motor works to drive the upper ring 31 to rotate.
The tower 1 is provided with a mounting platform, the lifting ring 3 is located at the upper side of the mounting platform, the lifting mechanism comprises a winch 41 fixed on the mounting platform, a fixed pulley block 42 fixed on the sleeve frame 2 and a movable pulley block 43 fixed on the lifting ring 3, a steel wire rope 44 of the winch 41 sequentially bypasses the fixed pulley block 42 and the movable pulley block 43 and is then connected to the winch 41, and the setting height of the fixed pulley block 42 is higher than the setting height of the movable pulley block 43, so that the winch 41 works to drive the lifting ring 3 to lift relative to the sleeve frame 2 along the height direction of the sleeve frame 2. Further, the number of fixed pulleys in the fixed pulley block 42 is at least 1, and the number of movable pulleys in the movable pulley block 43 is at least 1.
A bearing 6 is provided between the upper ring 31 and the lower ring 32 such that the bearing 6 assists the rotation of the upper ring 31, the axis of the bearing 6 coincides with the upper axis, the bearing 6 is provided as a thrust ball bearing 6 or a slewing bearing 6 or the like, and preferably the bearing 6 is provided as a thrust ball bearing 6.
For easy installation and disassembly, the frame 2 and the lifting ring 3 of the device are all arranged to be detachable structures in the circumferential direction of the tower 1, specifically, the upper ring 31 comprises a first structure and a second structure which are arranged left and right, the first structure and the second structure are fixed in a head and tail mode through bolts so as to form a ring shape for being sleeved outside the sleeve, the bolts of the first structure and the second structure are detached so that the first structure and the second structure are separated from the frame 2, the lower ring 32 comprises a third structure and a fourth structure which are arranged left and right, the third structure and the fourth structure are fixed in a head and tail mode through bolts so as to form a ring shape for being sleeved outside the frame 2, the bolts of the third structure and the fourth structure are detached so that the third structure and the fourth structure are separated from the frame 2, the frame 2 comprises a fifth structure and a sixth structure which are arranged left and right, the fifth structure and the sixth structure are fixed in a head and tail mode through bolts so as to form a ring shape for being sleeved outside the tower 1, and the bolts of the fifth structure and the sixth structure are detached so that the fifth structure and the sixth structure are separated from the tower 1.
The lower ring 32 is provided with holes spaced apart in the circumferential direction thereof to reduce the weight of the lower ring 32.
Finally, what should be said is: the above embodiments are only for illustrating the technical solution of the present utility model, and any equivalent replacement of the present utility model and modification or partial replacement without departing from the spirit and scope of the present utility model should be covered in the scope of the claims of the present utility model.
Claims (6)
1. The utility model provides a hoist body of a tower hoisting device, its characterized in that, including the cover frame that is used for the cover to locate the tower outside, be used for the cover to locate the lifting ring in the cover frame outside, lifting mechanism, actuating mechanism, lifting mechanism and lifting ring cooperation setting, lifting mechanism work is in order to drive the lifting ring and remove along the direction of height of cover frame, the lifting ring includes down the ring, rotate the upper ring that sets up in down the ring upside, down the ring is coaxial with the upper ring, actuating mechanism is fixed in down on the ring and is connected with the upper ring transmission, actuating mechanism work is in order to promote the upper ring and rotate for down the ring.
2. The crane tower lifting device according to claim 1, wherein the driving mechanism is a motor, the motor is fixed on the lower ring, a gear is sleeved on a driving shaft of the motor, teeth meshed with the gear are arranged on a peripheral wall of the upper ring, and the motor works to drive the upper ring to rotate.
3. The crane tower lifting device according to claim 1, wherein the lifting mechanism comprises a winch fixed on the mounting platform, a fixed pulley block fixed on the sleeve frame and a movable pulley block fixed on the lifting ring, and a steel wire rope of the winch sequentially bypasses the fixed pulley block and the movable pulley block and is connected to the winch.
4. The crane tower lifting device according to claim 1, wherein the upper ring comprises a first structure and a second structure, the first structure and the second structure are connected end to end in a detachable manner to form a lower structure for sleeving on the outer side of the sleeve frame, the lower ring comprises a third structure and a fourth structure, and the third structure and the fourth structure are connected end to end in a detachable manner to form an upper structure for sleeving on the outer side of the sleeve frame.
5. A crane tower lifting device according to claim 1, wherein a bearing is arranged between the upper ring and the lower ring.
6. A crane tower lifting device according to claim 1, wherein the lower ring is provided with openings spaced apart in the circumferential direction thereof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322147382.8U CN220485158U (en) | 2023-08-10 | 2023-08-10 | Crane tower body lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322147382.8U CN220485158U (en) | 2023-08-10 | 2023-08-10 | Crane tower body lifting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220485158U true CN220485158U (en) | 2024-02-13 |
Family
ID=89827082
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322147382.8U Active CN220485158U (en) | 2023-08-10 | 2023-08-10 | Crane tower body lifting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220485158U (en) |
-
2023
- 2023-08-10 CN CN202322147382.8U patent/CN220485158U/en active Active
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