A crane mounting device

Abstract

The application provides a crane mounting device, and relates to the technical field of mechanical equipment, which comprises a tower drum, a mounting platform, a lifting device and a tower body, the lifting device, the tower body and the mounting platform are all sleeved on the tower drum, the lifting device is located above the mounting platform, the lifting device comprises a sleeve frame sleeved on the outer side of the tower drum, a lifting ring sleeved on the outer side of the sleeve frame, a lifting mechanism and a driving mechanism, the lifting mechanism is arranged in cooperation with the lifting ring, the lifting ring comprises a lower ring and an upper ring which rotates in cooperation with the lower ring, the driving mechanism is in transmission connection with the upper ring, the upper ring is located on the upper side of the lower ring, the tower body is arranged on the upper side of the upper ring, the driving mechanism works to drive the upper ring to rotate relative to the tower drum so that the tower body rotates relative to the tower drum, and the lifting mechanism works to drive the lifting ring to move along the height direction of the sleeve frame so that the tower body moves along the height direction of the tower drum. The device is convenient and fast to install and effectively improves the efficiency.

Description

Technical Field

[0001] This invention relates to the field of mechanical equipment technology, and in particular to a crane mounting device. Background Technology

[0002] Crane tower lifting refers to the vertical raising and lowering of the main body of a crane (also known as the tower) to change the crane's height. By lifting the tower, the crane can adapt to different working height requirements. In a crane, the tower is usually composed of a series of tower sections (tower body), and the height of the tower body is changed by adding or removing tower sections. When it is necessary to raise the crane, operators use appropriate equipment (such as elevators, the crane's own lifting device, etc.) to add tower sections one by one to the top of the tower body, thereby raising the entire tower body.

[0003] During the installation of offshore wind turbine towers, the cranes are located on transport ships, which are highly unstable due to environmental factors, resulting in low work efficiency. For these reasons, existing methods involve mounting the cranes directly onto the towers to address the crane stability issue.

[0004] The invention patent with publication number CN108821133A discloses a self-climbing crane based on the wind turbine tower body. The crane is installed on a crane column, which is connected to the wind turbine tower by three clamps. The crane column has T-shaped rails on both sides. The top clamp and the middle clamp are connected to the T-shaped rails of the crane column through sliding rails on them. The top clamp and the middle clamp can slide up and down axially on the T-shaped rails of the crane column. The bottom clamp is hinged to the crane column by a pin. A clamp lifting winch is installed on the lower side of the top clamp. The lifting winch is connected to the middle clamp through a rope. After the top clamp is fixed and tightened to the wind turbine tower, the clamp lifting winch is used to lift the middle clamp, thereby raising the position of the middle clamp. A lifting hydraulic cylinder is installed on the crane column. One end of the lifting hydraulic cylinder is hinged to the top clamp, and the middle end is hinged to the crane column. After the middle clamp tightens to the crane column, the lifting hydraulic cylinder retracts to lift the self-climbing crane, thereby achieving the self-climbing of the crane. The applicant discovered that the existing tower body required confirmation of its position (angle) before installation, and its connection with the hydraulic cylinder resulted in the inability to adjust the angle later, necessitating disassembly and reassembly. Summary of the Invention

[0005] The purpose of this invention is to provide a crane installation device to solve the technical problem that existing devices are difficult to adjust later and require disassembly.

[0006] To solve the above problems, the crane installation device involved in this invention adopts the following technical solution:

[0007] This invention provides a crane installation device, including a tower, an installation platform, a lifting device, and a tower body. The lifting device, tower body, and installation platform are all fitted onto the tower. The lifting device is located above the installation platform. The lifting device includes a sleeve fitted onto the outside of the tower, a lifting ring fitted onto the outside of the sleeve, a lifting mechanism, and a driving mechanism. The lifting mechanism is configured to cooperate with the lifting ring. The lifting ring includes a lower ring and an upper ring that rotatably cooperates with the lower ring. The driving mechanism is connected to the upper ring for transmission. The upper ring is located above the lower ring, and the tower body is located above the upper ring. The driving mechanism operates to drive the upper ring to rotate relative to the tower, thereby causing the tower body to rotate relative to the tower. The lifting mechanism operates to drive the lifting ring to move along the height direction of the sleeve, thereby causing the tower body to move along the height direction of the tower.

[0008] Preferably, the upper ring includes a first structure and a second structure, which are detachably connected end to end to form a lower structure for being fitted onto the outside of the sleeve frame. The lower ring includes a third structure and a fourth structure, which are detachably connected end to end to form an upper structure for being fitted onto the outside of the sleeve frame.

[0009] Preferably, the drive mechanism is a motor, which is fixed on the lower ring. A gear is mounted on the drive shaft of the motor, and teeth that mesh with the gear are provided on the peripheral wall of the upper ring. The motor works to drive the upper ring to rotate. The lifting mechanism includes 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. The wire rope of the winch passes through the fixed pulley block and the movable pulley block in sequence and is connected to the winch.

[0010] Preferably, the platform body has a channel that runs through its upper and lower ends, and the inner wall of the channel is provided with blocks that are equally spaced along its circumference. The blocks are set as inclined surfaces that extend from top to bottom away from the channel side.

[0011] Preferably, the platform body includes a first platform structure and a second platform structure that can be detachably connected. A portion of the channel is located on the first platform structure, and the remaining portion of the channel is located on the second platform structure. The first platform structure and the second platform structure are joined together to form the channel.

[0012] Preferably, the tower body includes a tower body body for being fitted onto the outside of the tower cylinder, and a telescopic clamping device is installed on the tower body body. The clamping device telescopically engages with the tower body body to clamp or release the tower cylinder located inside the tower body body. The clamping device is rotatably engaged with the tower body body so that the clamping device can rotate to be perpendicular or parallel to the tower cylinder.

[0013] Preferably, a clamping block is provided at the front end of the clamping device, and the clamping block is rotatably engaged with the clamping device.

[0014] Preferably, it also includes a positioning structure, which is installed on the tower body and located on both sides of the clamping device. The clamping device can abut against the positioning structure during the rotation of the tower body, so that the positioning structure restricts the rotation angle of the clamping device.

[0015] Preferably, the tower body includes a fifth structure and a sixth structure, which are detachably connected end to end to form a structure for fitting onto the outside of the tower tube.

[0016] The beneficial effects of this invention are as follows:

[0017] The crane installation device provided by this invention includes a tower, and compared with the prior art, it further includes an installation platform, a lifting device, and a tower body. The lifting mechanism is connected to a lifting ring, and operates to drive the lifting ring to move along the height direction of the frame. The lifting ring includes a lower ring and an upper ring rotatably disposed above the lower ring. The lower and upper rings are coaxial. A drive mechanism is fixed to the lower ring and drivenly connected to the upper ring, and operates to push the upper ring to rotate relative to the lower ring. This device is used to lift the tower body, which is mounted on the outside of the frame. The tower body is located above the lifting ring. The rotation of the lifting ring can adjust the relative position of the tower body and the frame, and the operation of the lifting mechanism can adjust the height of the tower body on the frame. The lifting device can drive the tower body to rotate relative to the tower and can lift the tower body upward relative to the tower, facilitating the adjustment of the relative position of the tower body and the tower during use and avoiding the risk of needing to disassemble again due to misalignment later. Attached Figure Description

[0018] To more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings used in the embodiments will be briefly described below:

[0019] Figure 1 This is a schematic diagram of the overall structure of a crane tower lifting device;

[0020] Figure 2 This is a structural schematic diagram of a crane tower lifting device;

[0021] Figure 3 for Figure 1 A schematic diagram of the structure on the other side;

[0022] Figure 4 A schematic diagram of the lifting ring structure;

[0023] Figure 5 This is a diagram showing the coordination relationship between the upper and lower rings;

[0024] Figure 6 Diagram showing the connection between the crane mounting platform and the tower.

[0025] Figure 7 This is a schematic diagram of the card block structure;

[0026] Figure 8 This is a schematic diagram of the overall structure of the crane tower.

[0027] Figure 9 for Figure 8 Top view;

[0028] Figure 10 Diagram showing the fit between the clamping device and the tower body;

[0029] Figure 11 This is a diagram showing the fit between the clamping device and the positioning structure.

[0030] Figure 12 for Figure 1 Diagram showing the tower installation process.

[0031] Explanation of reference numerals in the attached drawings: 1. Tower; 2. Sleeve; 3. Lifting ring; 31. Upper ring; 32. Lower ring; 41. Winch; 42. Fixed pulley block; 43. Moving pulley block; 44. Wire rope; 5. Drive mechanism; 6. Bearing;

[0032] 7. Platform body; 72. Clamping block; 73. Lifting platform; 74. Wind baffle; 8. Tower body; 81. Positioning structure; 82. Clamping device; 83. Clamping block; 84. Ball head; 85. Bearing. Detailed Implementation

[0033] To make the technical objectives, technical solutions, and beneficial effects of the present invention clearer, the technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0034] This invention provides a crane installation device, comprising a tower 1, an installation platform, a lifting device, and a tower body. The lifting device, tower body, and installation platform are all fitted onto the tower 1. The lifting device is located above the installation platform, and the tower body is located above the lifting device. The lifting device operates to raise the tower body located outside the tower 1. The device includes a sleeve 2, a lifting ring 3, a lifting mechanism, and a drive mechanism 5. The sleeve 2 is fitted onto the outside of the tower 1, and the lifting ring 3 is fitted onto the outside of the sleeve 2. The lifting mechanism cooperates with the lifting ring 3, and operates to drive the lifting ring 3 to move along the height direction of the sleeve 2. The lifting ring 3 is used to mount the tower body (the tower body of the crane) which is sleeved on the outside of the frame 2. That is, the movement of the lifting ring 3 drives the tower body to move. The lifting ring 3 includes a lower ring 32 and an upper ring 31 that rotates with the lower ring 32. The upper ring 31 is located on the upper side of the lower ring 32, and the lower ring 32 and the upper ring 31 are coaxial. The drive mechanism 5 is fixed on the lower ring 32 and is connected to the upper ring 31 for transmission. The drive 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 its central axis. The tower body is set on the upper ring 31, and the rotation of the upper ring 31 adjusts the position of the tower body relative to the tower cylinder 1.

[0035] The drive mechanism 5 is a motor, which is fixed on the lower ring 32. A gear is mounted on the drive shaft of the motor. A toothed assembly is provided on the peripheral wall of the upper ring 31 along its peripheral wall direction. The upper ring 31 (the toothed assembly of the upper ring 31) meshes with the gear. The motor drives the gear to rotate, which in turn drives the upper ring 31 to rotate, so that the tower body located on the upper ring 31 rotates.

[0036] The lifting ring 3 is located on the upper side of the mounting platform. The lifting mechanism includes a winch 41 fixed to the mounting platform, a fixed pulley block 42 fixed to the sleeve 2, and a movable pulley block 43 fixed to the lifting ring 3. The wire rope 44 of the winch 41 passes sequentially around the fixed pulley block 42 and the movable pulley block 43, and then connects to the winch 41. The fixed pulley block 42 is set at a higher height than the movable pulley block 43, so that the winch 41 drives the lifting ring 3 to lift relative to the sleeve 2 along the height direction of the sleeve 2. Furthermore, the fixed pulley block 42 has at least one fixed pulley, and the movable pulley block 43 has at least one movable pulley.

[0037] A bearing 85 is provided between the upper ring 31 and the lower ring 32 so that the bearing 85 assists the rotation of the upper ring 31. The axis of the bearing 85 coincides with the axis of the upper ring. The bearing 85 is set as a thrust ball bearing 85 or a slewing bearing 85, etc. Preferably, the bearing 85 is set as a thrust ball bearing 85.

[0038] To facilitate installation and disassembly, both the sleeve 2 and the lifting ring 3 of this device are designed to be detachable in the circumferential direction of the tower 1. Specifically, the upper ring 31 includes a first structure and a second structure arranged on the left and right. The first structure and the second structure are fixed end to end with bolts to form a ring for fitting onto the outside of the tower. The bolts of the first structure and the second structure can be removed to detach the first structure and the second structure from the sleeve 2. The lower ring 32 includes a third structure and a fourth structure arranged on the left and right. The third structure and the fourth structure are fixed end to end with bolts to form a ring for fitting onto the outside of the sleeve 2. The bolts of the third structure and the fourth structure can be removed to detach the third structure and the fourth structure from the sleeve 2. The sleeve 2 includes a fifth structure and a sixth structure arranged on the left and right. The fifth structure and the sixth structure are fixed end to end with bolts to form a ring for fitting onto the outside of the tower 1. The bolts of the fifth structure and the sixth structure can be removed to detach the fifth structure and the sixth structure from the tower 1.

[0039] The lower ring 32 has channels spaced apart along its circumferential direction to reduce its weight.

[0040] The crane installation platform includes a platform body 7, on which a channel is formed through its upper and lower ends. The channel is a straight cavity structure with equal diameters at the top and bottom. Since the existing tower 1 has a structure that is thinner at the top and thicker at the bottom (diameter gradually increases from top to bottom), if the equal-diameter structure of the channel were directly fitted onto the tower 1, the contact area with the tower 1 would be too small, resulting in high local pressure and potential damage to the tower 1. To solve this problem, multiple locking blocks 72 are fixed to the inner wall of the channel. These multiple locking blocks 72 are arranged along the circumference of the inner wall of the channel. The platform body 7 is set at equal intervals. The locking block 72 facing the channel side (if the platform body 7 is installed on the tower 1, the locking block 72 facing the channel side is the side that abuts against the tower 1) is set as an inclined surface extending from top to bottom away from the channel side. After the platform body 7 is inserted from the top of the tower 1, it moves downward along the height direction of the tower 1 under the action of gravity. During this process, the channel carrying the locking block 72 is effectively locked onto the tower 1. The angle of the inclined surface of the locking block 72 matches the angle of the outer wall of the tower 1, and the inclined surface of the locking block 72 is in contact with the outer wall of the tower 1.

[0041] Furthermore, the locking block 72 is welded to the outer wall of the tower 1, or the locking block 72 is bolted to the tower 1.

[0042] As an optional implementation, the platform body 7 includes a detachably connected first platform structure and a second platform structure. A portion of the channel is located on the first platform structure, and the remaining portion is located on the second platform structure. The first and second platform structures are fitted together to form the channel. Together, the first and second platform structures constitute the overall structure of the platform body 1. They can be connected using methods such as slots, snap-fits, or threads to ensure a stable connection. In this embodiment, a bolted connection is used as an example. Corresponding screw holes are provided on the first and second platform structures. After the screw holes of the first and second platform structures are connected, bolts are passed through the corresponding screw holes of the first and second platform structures to connect them. The platform body 7 is used by first assembling it as a whole on the ground, then hoisting it through the top of the first section of the erected tower 1 using a crane. Under the action of gravity, the platform sits stably on the tower 1.

[0043] As an optional implementation, the platform body 7 is equipped with a hoisting platform 73 and a wind deflector 74. The wind deflector 74 and the hoisting platform 73 are located on the same side of the passage, and the wind deflector 74 is located on both sides of the hoisting platform 73. The wind deflector 74 can effectively reduce the impact of wind force during lifting. The hoisting platform 73 is designed so that the item is placed on the hoisting platform 73 before lifting, which can ensure that the lifting state remains basically consistent each time, greatly reducing the wear of the wire rope caused by different lifting states. The other side of the passage is used to install the hoisting drum and lifting drum located on the platform body 7.

[0044] The tower body includes a tower body 8 fitted around the outside of the tower cylinder 1. A clamping device 82 is mounted on the tower body 8 and rotates therewith. The clamping device 82 can rotate along the tower body 8, changing the distance between the clamping device 82 and the tower body 8 (the distance between the clamping device 82 and the tower cylinder 1). This structure effectively avoids obstacles, preventing the clamping device 82 from colliding with accessories located outside the tower cylinder 1 as it moves along the height direction of the tower cylinder. The clamping device 82 is telescopic, and multiple clamping devices 82 are spaced apart circumferentially along the tower body 8. When any clamping device 82 rotates relative to the tower body 8 until it is perpendicular to the tower cylinder 1, the clamping device 82 extends to abut against the tower cylinder 1. Multiple clamping devices 82 cooperate to position the tower body 8 on the tower cylinder 1. The clamping devices 82 can also retract to disengage from the tower cylinder 1, facilitating movement along the height direction of the tower cylinder 1.

[0045] Furthermore, the clamping device 82 can be rotated to be perpendicular or parallel to the tower 1.

[0046] The contact surface between the clamping device 82 and the tower 1 is defined as the front end. The front end of the clamping device 82 is provided with a clamping block 83 to increase its front contact surface. That is, the end face size of the clamping block 83 is larger than the end face size of the front end of the clamping device 82. Since the tower 1 not only has a structure with equal upper and lower diameters, but also a structure that is narrow at the top (small diameter) and wide at the bottom (large diameter), in order to solve the problem of less contact surface between the clamping device 82 and the tower 1 under the condition of narrow upper and wide lower structure, the clamping block 83 is connected to the clamping device 82 through a ball head 84. The clamping block 83 can rotate relative to the tower body 8. After the clamping block 83 abuts against the tower, it rotates under force to be parallel or approximately parallel to the side wall of the tower 1. This effectively increases the contact surface between the clamping block 83 and the tower 1.

[0047] As an optional implementation, the device further includes a bearing 85, which is mounted on the tower body 8. The clamping device 82 is fixed to the bearing 85. The inner and outer rings of the bearing 85 rotate relative to each other, causing the clamping device 82 to rotate along the tower body 8. At the same time, in order to limit the rotation angle of the clamping device 82, the device further includes a positioning structure 81, which is installed on the tower body 8 and located on both sides of the clamping device 82. During the rotation of the clamping device 82 along the tower body 8, it can abut against the positioning structure 81, so that the positioning structure 81 limits the rotation angle of the clamping device 82.

[0048] As an optional implementation, the structure of the tower body 8 is existing technology. It mainly consists of a ring-shaped structure formed by interconnected crossbeams, longitudinal beams, and diagonal beams. The crossbeams are perpendicular to the longitudinal beams, and the diagonal beams are inclined to the crossbeams and longitudinal beams. The bearings 85 are sleeved on the crossbeams, longitudinal beams, and diagonal beams, which will generate rotation in different directions. The bearings 85 sleeved on the crossbeams will cause the clamping device 82 to rotate along the height direction of the tower body 8. The bearings 85 sleeved on the longitudinal beams will cause the clamping device 82 to rotate along the left and right direction of the tower body 8. The bearings 85 sleeved on the diagonal beams will cause the clamping device 82 to rotate along the inclined direction of the tower body 8. In order to facilitate closure, this application sets the bearings 85 to be sleeved on the crossbeams. The positioning structure 81 is set as an L-shaped positioning bolt. The L-shaped positioning bolts are symmetrically arranged on the upper and lower sides of the crossbeams, and the clamping device 82 can be limited by resisting the L-shaped positioning bolts when rotating up and down, so that its rotation angle is between 0° and 180°.

[0049] The clamping device 82 is configured as a hydraulic cylinder, electric cylinder, or pneumatic cylinder, or it can be configured as a spiral telescopic mechanism, sliding telescopic mechanism, etc. Preferably, this device uses a hydraulic cylinder.

[0050] The clamping devices 82 are spaced apart along the height direction of the tower body 8 and along the circumferential direction of the tower body 8, so as to adapt to tower bodies 8 of different heights and thicknesses as needed.

[0051] To facilitate the installation of the tower body 8 on the tower cylinder 1, the tower body 8 is configured as a detachable structure in the circumferential direction. Specifically, the tower body 8 includes at least two parts connected end-to-end in the circumferential direction. For ease of understanding, this embodiment takes the tower body 8 as an example of two parts connected end-to-end in the circumferential direction. See Appendix. Figure 2 The tower body 8 includes a fifth structure and a sixth structure. The fifth and sixth structures are fixed end to end with bolts to form a ring for fitting onto the outside of the tower cylinder 1. The bolts of the fifth and sixth structures can be removed to detach them from the tower cylinder 1. Preferably, the fifth and sixth structures are arranged symmetrically.

[0052] Finally, it should be noted that the above embodiments are only for illustration and not for limiting the technical solutions of the present invention. Any equivalent substitutions, modifications or partial substitutions that do not depart from the spirit and scope of the present invention should be covered within the scope of protection of the claims of the present invention.

Claims

1. A crane installation device, comprising a tower, characterized in that, It also includes an installation platform, a lifting device, and a tower body. The lifting device, tower body, and installation platform are all fitted onto the tower. The lifting device is located above the installation platform. The lifting device includes a sleeve fitted onto the outside of the tower body, a lifting ring fitted onto the outside of the sleeve, a lifting mechanism, and a drive mechanism. The lifting mechanism is configured to cooperate with the lifting ring. The lifting ring includes a lower ring and an upper ring that rotatably cooperates with the lower ring. The drive mechanism is connected to the upper ring for transmission. The upper ring is located above the lower ring, and the tower body is positioned above the upper ring. The drive mechanism operates to rotate the upper ring relative to the tower body, thereby causing the tower body to rotate relative to the tower body. The lifting mechanism operates to move the tower body along the height direction of the tower body by moving the lifting ring along the height direction of the sleeve. The upper ring includes a first structure and a second structure. The first and second structures are detachably connected end-to-end to form a lower structure for fitting onto the outside of the sleeve. The lower ring includes... The third and fourth structures are detachably connected end to end to form an upper structure for fitting onto the outside of the sleeve frame. The drive mechanism is a motor, which is fixed to the lower ring. A gear is mounted on the drive shaft of the motor, and teeth that mesh with the gear are provided on the circumferential wall of the upper ring. The motor operates to drive the upper ring to rotate. The lifting mechanism includes a winch fixed to the installation platform, a fixed pulley block fixed to the sleeve frame, and a movable pulley block fixed to the lifting ring. The wire rope of the winch passes through the fixed pulley block and the movable pulley block in sequence and is connected to the winch. The tower body includes a tower body body for fitting onto the outside of the tower cylinder. A telescopic clamping device is installed on the tower body body. The clamping device telescopically clamps or releases the tower cylinder located inside the tower body body. The clamping device rotates with the tower body body so that the clamping device can rotate to be perpendicular or parallel to the tower cylinder.

2. The crane installation device according to claim 1, characterized in that, The installation platform includes a platform body, on which a channel runs through its upper and lower ends. The inner wall of the channel is provided with locking blocks that are evenly spaced along its circumference. The locking blocks are set as inclined surfaces that extend from top to bottom away from the channel side.

3. A crane installation device according to claim 2, characterized in that, The platform body includes a detachably connected first platform structure and a second platform structure. A portion of the channel is located on the first platform structure, and the remaining portion of the channel is located on the second platform structure. The first platform structure and the second platform structure are joined together to form the channel.

4. A crane installation device according to claim 1, characterized in that, A clamping block is provided at the front end of the clamping device, and the clamping block rotates with the clamping device.

5. A crane installation device according to claim 4, characterized in that, It also includes a positioning structure, which is installed on the tower body and located on both sides of the clamping device. The clamping device can abut against the positioning structure during the rotation of the tower body, so that the positioning structure restricts the rotation angle of the clamping device.

6. A crane installation device according to claim 5, characterized in that, The tower body includes a fifth structure and a sixth structure, which are detachably connected end to end to form a structure for fitting onto the outside of the tower tube.

Images