Wind power concrete tower drum hoisting device, hoisting construction platform and hoisting method thereof

Abstract

The invention discloses a wind power concrete tower drum hoisting device, a hoisting construction platform and a hoisting method thereof, and belongs to the technical field of wind power tower drum hoisting. The wind power concrete tower drum hoisting device comprises a hoisting unit, the hoisting unit comprises a vehicle body and a hoisting module, and the vehicle body is used for conveying the hoisting module; a connecting unit is arranged at the end part of the steel wire rope on the hoisting module and is used for connecting the concrete tower drum and the hoisting table component. The hoisting platform component can be installed on the top of the concrete tower drum through the fixing part, convenience and rapidness are achieved, stability is good, then the position of the concrete tower drum in hoisting can be guided through the guiding unit, and therefore rapid butt joint work of two concrete tower drums can be achieved; and the labor intensity of workers is effectively reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of wind power tower hoisting, and in particular to a wind power concrete tower hoisting device, a hoisting construction platform and a hoisting method thereof. Background Art

[0002] A wind turbine is a system that converts the kinetic energy of wind into electrical energy. A wind turbine includes a wind rotor and a generator; the wind rotor contains blades, a hub, and reinforcements; it has the functions of generating electricity by rotating the blades under wind force and rotating the generator head. The wind power source consists of a wind turbine, a tower supporting the generator, a battery charging controller, an inverter, an unloader, a grid-connected controller, a battery pack, etc. The tower plays a major supporting role in the wind turbine and absorbs the vibration of the unit. The prefabricated concrete tower of wind power is usually a truncated cone-shaped structure with equal taper. The angle between the cylinder wall and the central axis of the tower is about 2.5°. The concrete tower is composed of several cylinder sections. The overall height can reach about 160m, and the radial variation of the top and bottom exceeds 4m.

[0003] Usually, in order to facilitate the workers to install the precast concrete tower and to carry out the later maintenance of the generator set, a platform for the workers to rest and work is set on the top of the precast concrete tower. During the installation, the workers are required to stand on the platform and use tools to move the hoisted precast concrete tower so that the upper precast concrete tower is inserted into the studs reserved for the lower precast concrete tower. Due to the large volume and weight of the precast concrete tower, it takes a lot of manpower and material resources to move the upper precast concrete tower, resulting in low construction efficiency. Summary of the invention

[0004] The object of the present invention is to provide a wind power concrete tower hoisting device, a hoisting construction platform and a hoisting method thereof, so as to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] A wind power concrete tower hoisting device comprises a hoisting unit, wherein the hoisting unit comprises a vehicle body and a hoisting module, wherein the vehicle body is used to transport the hoisting module, a connecting unit is provided at the end of a wire rope on the hoisting module, and the connecting unit is used to connect the concrete tower and a hoisting platform component; the hoisting platform component comprises a workbench, a plurality of bearing parts are provided on the lower surface of the workbench, a fixing part is provided on the lower part of the workbench, and a guiding unit for guiding the position of the hoisted concrete tower is provided on the upper part of the workbench; the fixing part comprises a plurality of bearing plates, a socket is provided on the lower surface of each bearing plate, and the socket corresponds to a lifting ring on the concrete tower, and a driving member is provided on the workbench for simultaneously driving the bearing plates and the socket to move.

[0007] Preferably, the driving member includes an annular driving disk, a spiral rack is provided on the lower surface of the annular driving disk, a movable seat is provided on the supporting plate, a plurality of through sliding grooves corresponding to the movable seat are provided on the lower surface of the workbench, a tooth groove corresponding to the spiral rack is provided on the top of the movable seat, a motor 1 is provided on one side of the workbench, the output shaft of the motor 1 extends to the interior of the workbench and is provided with a bevel gear 1, one side of the bevel gear 1 is meshedly connected with a bevel gear 2, and the bevel gear 2 is connected to the annular driving disk.

[0008] Preferably, the bearing part includes a base, two guide columns are arranged on the upper surface of the base, a bearing seat is sleeved on the two guide columns, the bearing seat is connected to the workbench, and an elastic member is arranged between the base and the bearing seat.

[0009] Preferably, the guiding unit comprises a mounting ring and an execution unit for driving the mounting ring to rotate, and a plurality of guiding units are arranged on the upper surface of the mounting ring, and the positioning and fixing of the hoisted concrete tower are realized by the guiding units.

[0010] Preferably, the guide unit includes a fixed block, which is rotatably connected to a guide arm via a rotating shaft, a ball head is provided at the top of one side of the guide arm, a connecting seat is sleeved on the ball head, a splint is provided on one side of the connecting seat, and a cylinder is provided on the other side of the guide arm, ends of the cylinder are connected to connecting blocks via a rotating shaft, and the two connecting blocks are rotatably connected to the guide arm and the mounting ring respectively.

[0011] Preferably, the connecting unit includes a lifting plate having a plurality of through grooves formed thereon, the inner walls of the through grooves being rotatably connected to lifting arms via a rotating shaft, the ends of the lifting arms being provided with C-shaped hooks, the C-shaped hooks being used to be connected to lifting rings on a concrete tower, one end of the C-shaped hook being rotatably connected to an L-shaped stopper via a rotating shaft, and the other end of the C-shaped hook being provided with a limiting protrusion for limiting the rotation of the L-shaped stopper.

[0012] Preferably, the outer peripheral surface of the hoisting disk is rotatably connected to a guide wheel via a rotating shaft, a cable is provided on the guide wheel, one end of the cable is connected to the hoisting platform component, and a winder is provided at the other end of the cable, and the winder is arranged on the hoisting platform component.

[0013] A wind power concrete tower hoisting construction platform comprises a wind power concrete tower hoisting device.

[0014] A method for hoisting a wind power concrete tower hoisting construction platform, the specific steps comprising:

[0015] The lifting module is transported to the designated location through the vehicle body, and then the connection unit is connected to the lifting ring on the concrete tower to be lifted;

[0016] Start the hoisting module to lift the concrete tower and the hoisting platform components, and adjust the height and position of the hoisting platform components under the action of the hoisting module so that the hoisting platform components are fixed to the top of the concrete tower below;

[0017] The guide unit on the hoisting platform component guides and rotates the concrete tower being hoisted, so that the upper and lower concrete towers are aligned. The hoisting module releases the upper concrete tower until the two concrete towers are docked, and the staff connects the two concrete towers.

[0018] The fixing of the hoisting platform component to the concrete tower is released, and then the concrete tower is moved upward under the action of the connecting unit until the hoisting platform component is fixed to the top of the upper concrete tower, and then the installation work of the next concrete tower is carried out.

[0019] Compared with the prior art, the present invention has the following beneficial effects:

[0020] When the concrete tower is hoisted, the present invention can install the hoisting platform component on the top of the concrete tower through the fixing part, which is convenient, fast and stable. Then, the position of the concrete tower during hoisting can be guided by the guiding unit, so that the two concrete towers can be quickly connected, which effectively reduces the labor intensity of the staff. The driving member can simultaneously drive multiple bearing plates and sockets to move, and the socket can be moved to a suitable position as needed, so that the hoisting platform component can be fixed on concrete towers of different sizes, and the scope of application is wide. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure of the hoisting platform component of the present invention;

[0022] Figure 2 It is a structural disassembled diagram of the fixing part of the hoisting platform component of the present invention;

[0023] Figure 3 for Figure 2 Bottom view of the structure;

[0024] Figure 4 It is a structural schematic diagram of the guide unit of the hoisting platform component of the present invention;

[0025] Figure 5 for Figure 4 Bottom view of the structure;

[0026] Figure 6 It is a structural schematic diagram of the lifting device of the present invention;

[0027] Figure 7 It is a partial structural schematic diagram of the lifting device of the present invention;

[0028] Figure 8 for Figure 7 A magnified view of the structure at center A;

[0029] Fig. 9 It is a structural schematic diagram of the connecting unit of the lifting device of the present invention.

[0030] In the figure:

[0031] 100, bearing part; 101, base; 102, guide column; 103, bearing seat; 104, elastic member;

[0032] 200. Workbench;

[0033] 300, fixed part; 301, bearing plate; 302, plug-in seat; 303, movable seat; 304, through-slide groove; 305, annular driving plate; 306, vortex rack; 307, tooth groove; 308, motor 1; 309, bevel gear 1; 310, bevel gear 2;

[0034] 400, guide unit; 401, mounting ring; 402, motor 2; 403, gear; 404, gear ring; 405, fixing block; 406, guide arm; 407, ball head; 408, connecting seat; 409, clamping plate; 410, cylinder; 411, connecting block;

[0035] 500, lifting unit; 501, vehicle body; 502, lifting module; 503, wire rope; 504, connecting unit; 505, concrete tower; 5041, lifting plate; 5042, through-groove; 5043, lifting arm; 5044, C-shaped hook; 5045, L-shaped stopper; 5046, limiting protrusion; 5047, lifting ring; 5048, guide wheel; 5049, cable; 50410, winder. DETAILED DESCRIPTION

[0036] 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 described embodiments 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 creative work are within the scope of protection of the present invention.

[0037] See also Figure 1 - Fig. 9 , the present invention provides a technical solution:

[0038] like Figure 1 and Figure 6As shown, the wind power concrete tower hoisting device includes a hoisting unit 500, wherein the hoisting unit 500 can select a truck tower crane or a tower crane according to the environment and the size of the concrete tower 505. In this embodiment, the hoisting unit 500 selects a truck tower crane, including a car body 501 and a hoisting module 502. The car body 501 is used to transport the hoisting module 502. The hoisting module 502 includes a lifting, luffing, slewing and walking mechanism, a tower body, a boom, a base, an attachment rod, etc. The tower body is the main structure of the crane, the boom is installed on the upper part of the tower body, the base is used to fix the crane, the attachment rod is used to increase the stability of the crane, the lifting mechanism is used to lift heavy objects, the luffing mechanism is used to change the angle of the boom, the slewing mechanism enables the crane to rotate 360 ​​degrees, and the walking mechanism enables the crane to Moving on the horizontal plane, a connecting unit 504 is provided at the end of the wire rope 503 on the lifting module 502, and the connecting unit 504 is used to connect the concrete tower 505 and the lifting platform component; the lifting platform component includes a workbench 200, and a through hole is opened in the middle of the workbench 200. When performing the lifting work, the concrete tower 505 is inserted into the through hole on the workbench 200, and a plurality of bearing parts 100 are provided on the lower surface of the workbench 200. The bearing parts 100 are used to buffer and absorb energy when the lifting platform component is recovered from the ground. A fixing part 300 is provided at the lower part of the workbench 200, and the lifting platform component is fixedly connected to the concrete tower 505 that has completed the lifting work through the fixing part 300, and a guiding unit 400 is provided at the upper part of the workbench 200 for guiding the position of the hoisted concrete tower 505.

[0039] like Figure 2 and Figure 3 As shown, the fixing part 300 includes a plurality of bearing plates 301, and a socket 302 is provided on the lower surface of each bearing plate 301. The socket 302 corresponds to the lifting ring 5047 on the concrete tower 505. A driving member is provided on the workbench 200 for simultaneously driving the bearing plates 301 and the socket 302 to move. The driving member simultaneously drives the plurality of bearing plates 301 and the socket 302 to move, and can move the socket 302 to a suitable position as needed, so that the lifting platform component can be fixed on concrete towers 505 of different sizes, and has a wide range of applications.

[0040] Furthermore, the driving member includes an annular driving disk 305, a spiral rack 306 is provided on the lower surface of the annular driving disk 305, a moving seat 303 is provided on the carrying plate 301, a plurality of through slide grooves 304 corresponding to the moving seat 303 are provided on the lower surface of the workbench 200, a tooth groove 307 corresponding to the spiral rack 306 is provided on the top of the moving seat 303, a motor 1 308 is provided on one side of the workbench 200, an output shaft of the motor 1 308 extends to the inside of the workbench 200 and is provided with a bevel gear 1 309, a bevel gear 2 310 is meshed and connected to one side of the bevel gear 1 309, and a bevel gear 2 310 is meshed and connected to the bevel gear 2 310. Gear 2 310 is connected to the annular drive disk 305. When the position of the socket 302 needs to be adjusted, the motor 1 308 is controlled to work, and the annular drive disk 305 drives the vortex rack 306 to start rotating under the transmission of the bevel gear 1 309 and the bevel gear 2 310, and the moving seat 303 drives the bearing plate 301 and the socket 302 to move with the cooperation of the tooth groove 307 on the top of the moving seat 303, until the socket 302 is moved to a position corresponding to the lifting ring 5047 on the concrete tower 505, and then the socket 302 is inserted into the lifting ring 5047 by controlling the lifting platform component to move downward.

[0041] like Figure 3 As shown, the bearing part 100 includes a base 101, and two guide columns 102 are arranged on the upper surface of the base 101. A bearing seat 103 is sleeved on the two guide columns 102, and the bearing seat 103 is connected to the workbench 200. An elastic member 104 is arranged between the base 101 and the bearing seat 103. In this embodiment, the elastic member 104 is a spring.

[0042] like Figure 4 and Figure 5As shown, the guide unit 400 includes a mounting ring 401 and an execution unit for driving the mounting ring 401 to rotate. A plurality of guide units are arranged on the upper surface of the mounting ring 401, and the positioning and fixing work of the hoisted concrete tower 505 is realized by the guide units. Specifically, when guiding the hoisted concrete tower 505, as the concrete tower 505 slowly falls, the position of the concrete tower 505 is offset under the guidance of the inclined surface of the guide unit until the central axis of the hoisted concrete tower 505 coincides with the central axis of the hoisted concrete tower 505, and then the hoisting The concrete tower 505 in the installation continues to fall until the two concrete towers 505 are connected. The staff uses bolts and other connecting parts to install and fix the two concrete towers 505. During this process, the staff can choose to stand on the lifting platform component or the platform at the top of the concrete tower 505 as needed. The staff on the platform at the top of the concrete tower 505 can climb to the platform of the next concrete tower 505 through the ladder reserved inside it, and the staff on the lifting platform component can rise with the lifting platform component in the subsequent process.

[0043] Among them, the execution unit includes a motor 402, which is arranged in the workbench 200. The output shaft of the motor 402 is provided with a gear 403, and one side of the gear 403 is meshed with a ring gear 404. The ring gear 404 is connected to the mounting ring 401. By controlling the operation of the execution unit, the mounting ring 401 can drive multiple guide units to start rotating, thereby realizing the rotation of the concrete tower 505 during hoisting, thereby realizing the accurate docking of the two concrete towers 505.

[0044] Furthermore, the guide unit includes a fixed block 405, which is rotatably connected to a guide arm 406 via a rotating shaft, a ball head 407 is provided on the top of one side of the guide arm 406, a connecting seat 408 is sleeved on the ball head 407, a clamping plate 409 is provided on one side of the connecting seat 408, and a cylinder 410 is provided on the other side of the guide arm 406, and the ends of the cylinder 410 are connected to connecting blocks 411 via a rotating shaft, and the two connecting blocks 411 are rotatably connected to the guide arm 406 and the mounting ring 401 respectively, so that the guide arm 406 can be easily installed. During the guiding process of the concrete tower 505, the multiple guiding arms 406 are in an open state under the action of the cylinder 410, and then the guiding arms 406 are controlled to start flipping according to the size of the concrete tower 505 until the splint 409 fits with the surface of the concrete tower 505. With the cooperation of the ball head 407 and the connecting seat 408, the splint 409 can fit with the outer circumferential surface of the concrete tower 505 as much as possible. As the cylinder 410 continues to work, the central axes of the upper and lower concrete towers 505 gradually overlap.

[0045] like Figure 7 and Figure 8As shown, the connection unit 504 includes a lifting plate 5041, and a plurality of through grooves 5042 are provided on the lifting plate 5041. The inner walls of the through grooves 5042 are rotatably connected to the lifting arms 5043 through the rotating shafts. The ends of the lifting arms 5043 are provided with C-shaped hooks 5044, and the C-shaped hooks 5044 are used to connect with the lifting rings 5047 on the concrete tower 505. One end of the C-shaped hook 5044 is rotatably connected to the L-shaped stopper 5045 through the rotating shaft, and the other end of the C-shaped hook 5044 is provided with a limiting protrusion 5046 for limiting the rotation of the L-shaped stopper 5045. When the concrete tower 505 to be lifted is connected , hang the C-shaped hook 5044 on the lifting ring 5047 on the concrete tower 505, then reel in the wire rope 503 and control the lifting mechanism to make the concrete tower 505 start to move up. In this process, it can cooperate with a small truck tower crane to hoist the other end of the concrete tower 505 to avoid damage caused by friction between the concrete tower 505 and the ground. The setting of the L-shaped block 5045 is convenient for the staff to disassemble the C-shaped hook 5044 on the hoisted concrete tower 505, which is convenient and quick. The hoisting arm 5043 is a wire rope to avoid breakage during the hoisting process.

[0046] like Fig. 9 As shown, the outer circumference of the hoisting plate 5041 is connected to a guide wheel 5048 through a rotating shaft, and a cable 5049 is arranged on the guide wheel 5048. One end of the cable 5049 is connected to the hoisting platform component, and the other end of the cable 5049 is provided with a winder 50410, which is arranged on the hoisting platform component. During the hoisting process, the hoisting platform component is moved up and down by controlling the winder 50410 to work, thereby realizing the hoisting platform component and the hoisting completion. The fixing work of the concrete tower 505 is carried out. When the hoisting is completed, the winder 50410 is controlled to move the hoisting platform component upward. When the connection work between the hoisting platform component and the upper concrete tower 505 is completed, the winder 50410 is controlled to make the hoisting plate 5041 drive the hoisting arm 5043 to move downward to hoist the next concrete tower 505. The hoisting platform component can also be moved down to the ground together with the hoisting plate 5041 to hoist the concrete tower 505 as needed.

[0047] A wind power concrete tower hoisting construction platform comprises a wind power concrete tower hoisting device.

[0048] A method for hoisting a wind power concrete tower hoisting construction platform, the specific steps comprising:

[0049] The hoisting module 502 is transported to a designated location via the vehicle body 501, and then the connecting unit 504 is connected to the hoisting ring 5047 on the concrete tower 505 to be hoisted;

[0050] Start the hoisting module 502 to lift the concrete tower 505 and the hoisting platform component, and adjust the height and position of the hoisting platform component under the action of the hoisting module 502, so that the hoisting platform component is fixed to the top of the concrete tower 505 below;

[0051] The guide unit 400 on the hoisting platform component guides and rotates the concrete tower 505 being hoisted, so that the upper and lower concrete towers 505 are aligned, and the hoisting module 502 releases the upper concrete tower 505 until the two concrete towers 505 are docked, and the staff connects the two concrete towers 505;

[0052] The fixing of the hoisting platform component to the concrete tower 505 is released, and then the concrete tower 505 is moved upward under the action of the connecting unit 504 until the hoisting platform component is fixed to the top of the upper concrete tower 505, and then the installation work of the next concrete tower 505 is carried out.

[0053] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A wind power concrete tower hoisting device, comprising a hoisting unit, characterized in that: The hoisting unit includes a vehicle body and a hoisting module, wherein the vehicle body is used to transport the hoisting module, and a connecting unit is provided at the end of the wire rope on the hoisting module, and the connecting unit is used to connect the concrete tower and the hoisting platform component; The hoisting platform component includes a workbench, a plurality of bearing parts are arranged on the lower surface of the workbench, a fixing part is arranged on the lower part of the workbench, and a guiding unit for guiding the position of the hoisted concrete tower is arranged on the upper part of the workbench; The fixing part comprises a plurality of bearing plates, the lower surfaces of the bearing plates are all provided with sockets, the sockets correspond to the lifting rings on the concrete tower, and the workbench is provided with a driving member for driving the bearing plates and the sockets to move simultaneously.

2. The wind power concrete tower hoisting device according to claim 1, characterized in that: The driving member includes an annular driving disk, a scroll rack is provided on the lower surface of the annular driving disk, a moving seat is provided on each of the supporting plates, a plurality of through sliding grooves corresponding to the moving seat are provided on the lower surface of the workbench, a tooth groove corresponding to the scroll rack is provided on the top of the moving seat, a motor 1 is provided on one side of the workbench, an output shaft of the motor 1 extends to the interior of the workbench and is provided with a bevel gear 1, a bevel gear 2 is meshedly connected to one side of the bevel gear 1, and the bevel gear 2 is connected to the annular driving disk.

3. The wind power concrete tower hoisting device according to claim 1, characterized in that: The bearing part comprises a base, the upper surface of the base is provided with two guide columns, a bearing seat is sleeved on the two guide columns, the bearing seat is connected to the workbench, and an elastic member is provided between the base and the bearing seat.

4. The wind power concrete tower hoisting device according to claim 1, characterized in that: The guiding unit comprises a mounting ring and an execution unit for driving the mounting ring to rotate. A plurality of guiding units are arranged on the upper surface of the mounting ring, and the positioning and fixing work of the hoisted concrete tower is realized through the guiding units.

5. The wind power concrete tower hoisting device according to claim 4, characterized in that: The guide unit includes a fixed block, which is rotatably connected to a guide arm via a rotating shaft, a ball head is provided at the top of one side of the guide arm, a connecting seat is sleeved on the ball head, a splint is provided on one side of the connecting seat, and a cylinder is provided on the other side of the guide arm, ends of the cylinder are connected to connecting blocks via a rotating shaft, and the two connecting blocks are rotatably connected to the guide arm and the mounting ring respectively.

6. The wind power concrete tower hoisting device according to claim 1, characterized in that: The connecting unit includes a lifting plate, which is provided with a plurality of through grooves, the inner walls of the through grooves are rotatably connected to lifting arms via a rotating shaft, the ends of the lifting arms are provided with C-shaped hooks, the C-shaped hooks are used to connect to the lifting rings on the concrete tower, one end of the C-shaped hook is rotatably connected to an L-shaped stopper via a rotating shaft, and the other end of the C-shaped hook is provided with a limiting protrusion for limiting the rotation of the L-shaped stopper.

7. The wind power concrete tower hoisting device according to claim 6, characterized in that: The outer peripheral surface of the hoisting plate is rotatably connected to a guide wheel via a rotating shaft, a cable is arranged on the guide wheel, one end of the cable is connected to the hoisting platform component, and a winder is arranged on the other end of the cable, and the winder is arranged on the hoisting platform component.

8. A wind power concrete tower hoisting construction platform, characterized in that: It comprises a wind power concrete tower hoisting device as described in any one of claims 1 to 7.

9. A method for hoisting a wind power concrete tower hoisting construction platform based on claim 8, characterized in that: The specific steps include: The lifting module is transported to the designated location through the vehicle body, and then the connection unit is connected to the lifting ring on the concrete tower to be lifted; Start the hoisting module to lift the concrete tower and the hoisting platform components, and adjust the height and position of the hoisting platform components under the action of the hoisting module so that the hoisting platform components are fixed to the top of the concrete tower below; The guide unit on the hoisting platform component guides and rotates the concrete tower being hoisted, so that the upper and lower concrete towers are aligned. The hoisting module releases the upper concrete tower until the two concrete towers are docked, and the staff connects the two concrete towers. The fixing of the hoisting platform component to the concrete tower is released, and then the concrete tower is moved upward under the action of the connecting unit until the hoisting platform component is fixed to the top of the upper concrete tower, and then the installation work of the next concrete tower is carried out.

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