Fan foundation construction positioning tool and construction method

By designing positioning, driving and load bearing units, the rapid assembly and lifting of anchor plates during fan foundation construction is achieved, and the problems of long construction cycles and waste of manpower and material resources in the existing technology are solved, and construction efficiency is improved.

CN119122311APending Publication Date: 2024-12-13CGN NANZHAO COUNTY NEW ENERGY CO LTD DENGZHOU BRANCH
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202411285950.3
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-09-13
Publication Date
2024-12-13

AI Technical Summary

Technical Problem

The existing fan foundation construction positioning tooling needs to be installed and assembled separately during the installation of anchor plates, resulting in extended construction cycle and waste of manpower and material resources.

Method used

A fan foundation construction positioning tool is designed, including a positioning unit, a driving unit and a load-bearing unit. By adjusting the distance between the load-bearing modules, the rotation and extrusion of the drive anchor plate can be achieved quickly and conveniently assembled and lifted.

Benefits of technology

The construction progress has been shortened, manpower and material resources have been saved, and construction efficiency has been improved.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN119122311A_ABST
    Figure CN119122311A_ABST
Patent Text Reader

Abstract

The invention discloses a fan foundation construction positioning tool and a construction method, and belongs to the technical field of fan foundation construction, the positioning tool comprises a positioning unit used for limiting the positions of two anchor plates and adjusting the distance between the two anchor plates; the driving unit is used for driving the two anchor plates to rotate; the bearing unit is used for extruding the anchor plates and bearing the spliced anchor plates, so that later blanking work is facilitated; the positioning unit comprises a base plate, the base plate is provided with two bearing modules used for bearing the anchor plate and a driving part used for adjusting the distance between the two bearing modules, and each bearing module comprises two bearing parts. The assembled anchor plate and the foundation pit can be combined and installed through a truck crane, the whole process is convenient to construct, the construction progress can be effectively shortened, and manpower and material resources are saved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The invention relates to the technical field of wind turbine foundation construction, and in particular to a wind turbine foundation construction positioning tool and a construction method. Background Art

[0002] China is the world's largest wind power market with abundant wind resources. The prosperity of China's wind power market and its market position worldwide have also driven the development and progress of China's wind power turbine manufacturers over the past few decades. In addition, China's wind power industry has been strongly supported and encouraged by policies for a long time, and the wind power industry has developed rapidly. As a key link in the safe and stable operation of wind power, the construction quality and efficiency of wind turbine foundations directly affect the grid-connected power generation period and service life of wind turbines.

[0003] For example, a Chinese invention patent with announcement number CN112663669A discloses a wind turbine foundation construction positioning tool and a construction method, wherein: the wind turbine foundation construction positioning tool includes a first longitudinal plate, a transverse plate, a second longitudinal plate and a roller, the first longitudinal plate and the transverse plate are fixedly connected together, the second longitudinal plate and the transverse plate are slidably connected together, two first positioning components are slidably connected to the first longitudinal plate, two second positioning components are slidably connected to the second longitudinal plate, and rollers are arranged at the ends of the second longitudinal plate.

[0004] The above solution has the following shortcomings in actual use:

[0005] This solution adopts a first positioning component set on the first longitudinal plate and a second positioning component set on the second longitudinal plate, so as to complete the fixation of the upper and lower anchor plates, which is convenient for quickly threading the anchor rods with the upper and lower anchor plates. However, when in use, each set of upper and lower anchor plates needs to be installed and loaded and unloaded separately. After the upper and lower anchor plates and anchor rods are installed, multiple sets of upper and lower anchor plates are assembled and then hoisted, which increases the construction period and wastes more manpower and material resources. Summary of the invention

[0006] The object of the present invention is to provide a wind turbine foundation construction positioning tool and a construction method to solve the problems raised in the above-mentioned background technology.

[0007] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a wind turbine foundation construction positioning tool, comprising: a positioning unit, used to limit the positions of two anchor plates and adjust the distance between the two anchor plates respectively; a driving unit, used to drive the two anchor plates to rotate; a bearing unit, used to squeeze the anchor plates and bear the assembled anchor plates to facilitate the subsequent unloading work; the positioning unit comprises a base plate, on which are arranged two groups of bearing modules for bearing the anchor plates and a driving member for adjusting the distance between the two groups of bearing modules, and each group of the bearing modules comprises two bearing members.

[0008] Preferably, the driving member includes an adjustment box, in which two adjustment seats are slidably connected, and a double-threaded screw rod is threadedly connected to the two adjustment seats. One end of the double-threaded screw rod extends out of the adjustment box and is connected to an actuator, and one side of the adjustment seat extends out of the adjustment box and is connected to a load-bearing mounting box.

[0009] Preferably, two groups of movable seats are slidably connected in the bearing installation box, and the four groups of movable seats are respectively connected to the bearing parts. Two double-threaded screws are rotatably connected in the bearing installation box, and the two double-threaded screws are threadedly connected to the movable seats. One end of the two double-threaded screws extends out of the bearing installation box and is connected to actuator two. Rollers are arranged on the lower surface of the bearing installation box.

[0010] Preferably, the supporting member includes two frames, the frames are slidably connected to the supporting seats through a slide groove, the two supporting seats are rotatably connected with a rotating shaft through a bearing, the rotating shaft is provided with a supporting roller, and the bottom of the frames are provided with a limiting seat, the upper surfaces of the two limiting seats and the lower surfaces of the two supporting seats are respectively slidably connected to the upper plate body and the lower plate body through sliders, a cylinder is provided between the upper plate body and the lower plate body, the limiting seat is an L-shaped structure, one side of the limiting seat is threadedly connected to the limiting bolt, and a plurality of limiting holes corresponding to the limiting bolts are opened on the supporting mounting box.

[0011] Preferably, the driving unit includes a mounting platform, on which a plurality of support frames are arranged, and the plurality of support frames are rotatably connected to two driving shafts, each of which is provided with two driving rollers, and the outer peripheral surfaces of the driving rollers are provided with a plurality of anti-slip protrusions, and an execution unit is provided at the ends of the two driving shafts.

[0012] Preferably, the bearing unit includes a gantry, on which a lifting platform and a cylinder 2 for driving the lifting platform to move up and down are provided, two fixed seats are provided at the bottom of the lifting platform, the two fixed seats are rotatably connected with a connecting seat via a rotating shaft, a bearing platform is provided on the connecting seat, a variable diameter mold for pressing and bearing the anchor plate is provided on the bearing platform, a connecting arm is provided on one side of the bearing platform, and a cylinder 3 is rotatably connected between the end of the connecting arm and the lifting platform.

[0013] Preferably, the variable diameter mold includes an actuator three, the output shaft of the actuator three passes through the bearing platform and is provided with a double-threaded screw rod three, the double-threaded screw rod three is rotatably connected to a bearing sleeve, the double-threaded screw rod three is threadedly connected to two bearing movable blocks, the bearing movable blocks extend out of the bearing sleeve and are rotatably connected to a plurality of driving arms via a rotating shaft, the ends of the plurality of driving arms are rotatably connected to at least four arc-shaped clamping plates, and the surfaces of the arc-shaped clamping plates are rotatably connected to a plurality of transmission rollers via a rotating shaft.

[0014] A construction method based on a wind turbine foundation construction positioning tool, the specific steps include:

[0015] The anchor plates are divided into upper anchor plates and lower anchor plates, and the upper anchor plates and lower anchor plates are evenly divided into several groups, and the surface layer of each group of anchor plates is polished;

[0016] According to the distance between the upper anchor plate and the lower anchor plate, the distance between the two groups of bearing modules is adjusted so that after the upper anchor plate and the lower anchor plate are placed on the two groups of bearing modules respectively, the anchor holes on the upper anchor plate and the lower anchor plate can correspond one to one;

[0017] After the upper anchor plate and the lower anchor plate are installed, the upper anchor plate and the lower anchor plate are squeezed and fixed using the bearing unit. After the fixing is completed, the anchor rod is assembled with the upper anchor plate and the lower anchor plate;

[0018] After one set of upper anchor plates and lower anchor plates are installed, the driving unit drives the upper anchor plates and lower anchor plates to rotate, and then the next set of upper anchor plates and lower anchor plates are placed, and the upper anchor plates and lower anchor plates in one set are respectively installed and spliced ​​with the upper anchor plates and lower anchor plates in another set, and then the upper anchor plates and lower anchor plates of the next set are assembled through anchor rods;

[0019] After several groups of anchor plates are assembled, the load-bearing unit adjusts the assembled anchor plates to an angle that is convenient for lifting, and then uses a truck crane to combine and install the assembled anchor plates with the foundation pit.

[0020] Compared with the prior art, the present invention has the following beneficial effects:

[0021] When constructing the anchor plate, the distance between the two groups of bearing modules is adjusted according to the size of the anchor plate, and then the anchor plate is placed on the bearing module and fixed. After the assembly of the anchor rod and the anchor plate is completed, the assembled anchor plate is rotated by the driving unit, and then the next group of anchor plates is spliced, and then the anchor rod and the anchor plate are assembled again until several groups of anchor plates are assembled. Then the bearing unit adjusts the assembled anchor plate to an angle that is convenient for lifting, and then the assembled anchor plate is combined and installed with the foundation pit by the automobile crane. The whole process is convenient for construction, which can effectively shorten the construction progress and save manpower and material resources. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0023] Figure 2 It is a cross-sectional view of the overall structure of the present invention;

[0024] Figure 3 It is a structural schematic diagram of a positioning unit and a driving unit of the present invention;

[0025] Figure 4 It is a structural exploded diagram of the driving member of the present invention;

[0026] Figure 5 It is a structural schematic diagram of the bearing member of the present invention;

[0027] Figure 6 is a schematic structural diagram of a driving unit of the present invention;

[0028] Figure 7 It is a structural schematic diagram of the bearing unit of the present invention;

[0029] Figure 8 for Figure 7 Bottom view of

[0030] Fig. 9 It is a structural disassembly diagram of the variable diameter mold of the present invention.

[0031] In the figure:

[0032] 100, positioning unit; 200, driving unit; 300, bearing unit; 400, anchor plate; 101, base plate; 102, adjustment box; 103, adjustment seat; 104, double-threaded screw rod 1; 105, actuator 1; 106, bearing installation box; 107, moving seat; 108, double-threaded screw rod 2; 109, actuator 2; 110, roller; 111, frame; 112, slide; 113, bearing seat; 114, rotating shaft; 115, bearing roller; 116, upper plate; 117, limit seat; 118, lower plate; 119, slider; 120, cylinder One; 121, limit bolt; 122, limit hole; 201, mounting table; 202, support frame; 203, drive shaft; 204, drive roller; 205, execution unit; 301, gantry; 302, lifting platform; 303, cylinder two; 304, fixed seat; 305, connecting seat; 306, bearing platform; 307, connecting arm; 308, cylinder three; 309, actuator three; 310, double threaded screw three; 311, bearing sleeve; 312, bearing frame; 313, bearing moving block; 314, drive arm; 315, arc clamping plate; 316, transmission roller. DETAILED DESCRIPTION

[0033] 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.

[0034] See also Figure 1 - Fig. 9 , the present invention provides a technical solution:

[0035] like Figure 1 and Figure 2As shown, a wind turbine foundation construction positioning tool comprises a positioning unit 100, a driving unit 200, a bearing unit 300 and an anchor plate 400. The positioning unit 100 is used to define the positions of the two anchor plates 400 and to adjust the distance between the two anchor plates 400 respectively. The driving unit 200 is used to drive the two anchor plates 400 to rotate. The bearing unit 300 is used to squeeze the anchor plates 400 and to carry the assembled anchor plates 400, so as to facilitate the subsequent unloading work. When constructing the anchor plates 400, according to the size of the anchor plates 400, The spacing between the two groups of bearing modules is adjusted by inches, and then the anchor plate 400 is placed on the bearing module and fixed. After the anchor rod and the anchor plate 400 are assembled, the assembled anchor plate 400 is rotated by the driving unit 200, and then the next group of anchor plates 400 are spliced, and then the anchor rod and the anchor plate 400 are assembled again, until several groups of anchor plates are assembled, and then the bearing unit 300 adjusts the assembled anchor plate 400 to an angle convenient for lifting, and then the assembled anchor plate is combined and installed with the foundation pit by the car crane.

[0036] like Figure 3 - Figure 5 As shown, the positioning unit 100 includes a base plate 101 on which two groups of bearing modules for bearing the anchor plate 400 and a driving member for adjusting the distance between the two groups of bearing modules are arranged, and each group of bearing modules includes two bearing members.

[0037] Furthermore, the driving member includes an adjustment box 102, in which two adjustment seats 103 are slidably connected, and a double-threaded screw rod 104 is threadedly connected to the two adjustment seats 103. One end of the double-threaded screw rod 104 extends out of the adjustment box 102 and is connected to an actuator 105. One side of the adjustment seat 103 extends out of the adjustment box 102 and is connected to a bearing installation box 106. The two bearing members in each group are respectively located on the two bearing installation boxes 106.

[0038] Furthermore, two groups of moving seats 107 are slidably connected in the bearing installation box 106, and the four groups of moving seats 107 are respectively connected to the bearing parts. A double-threaded screw rod 108 is rotatably connected in the bearing installation box 106, and the double-threaded screw rod 108 is threadedly connected to the moving seat 107. One end of the double-threaded screw rod 108 extends out of the bearing installation box 106 and is connected to an actuator 109. The lower surface of the bearing installation box 106 is provided with a roller 110. When the position of the bearing part is adjusted, the roller 110 is rotated. By controlling the operation of the actuator 105, the double-threaded screw 104 starts to rotate, and under the action of the thread, the adjustment seat 103 drives the bearing installation box 106 to start moving. Under the action of the roller 110, the friction between the bearing installation box 106 and the base plate 101 can be reduced. By controlling the operation of the actuator 2 109, the double-threaded screw 2 108 starts to rotate, and under the action of the thread, the two groups of moving seats 107 move toward each other, so that the distance between the two anchor plates 400 can be adjusted. Among them, the actuator 105 and the actuator 2 109 are motors.

[0039] Further, the bearing member includes two frames 111, the frame 111 is slidably connected to a bearing seat 113 that can move up and down through a slide groove 112, a rotating shaft 114 is rotatably connected between the two bearing seats 113 through a bearing, a bearing roller 115 is arranged on the rotating shaft 114, and a limit seat 117 is arranged at the bottom of the frame 111, and the upper surface of the two limit seats 117 and the lower surface of the two bearing seats 113 are respectively slidably connected to an upper plate 116 and a lower plate 118 through a slider 119, and a cylinder 120 is arranged between the upper plate 116 and the lower plate 118. The limit seat 117 is an L-shaped structure, wherein each group of movable seats 107 includes two The movable block, the two limit seats 117 are respectively connected to the two movable blocks, one side of the limit seat 117 is threadedly connected to the limit bolt 121, and a plurality of limit holes 122 corresponding to the limit bolts 121 are opened on the bearing installation box 106. When the anchor plate 400 is placed, the cylinder 120 is controlled to work according to the size of the anchor plate 400 to adjust the height of the anchor plate 400 after placement, and it can also be suitable for the construction requirements of anchor plates 400 of different sizes. By rotating the limit bolt 121 and inserting it into the limit hole 122, secondary fixation can be achieved to avoid the position of the anchor plate 400 being offset when the anchor plate 400 is constructed.

[0040] like Figure 6As shown, the driving unit 200 includes a mounting platform 201, on which a plurality of support frames 202 are arranged, and the plurality of support frames 202 are rotatably connected to two driving shafts 203, on which two driving rollers 204 are arranged, and on the outer circumferential surfaces of the driving rollers 204, a plurality of anti-slip protrusions are arranged, and at the ends of the two driving shafts 203, an execution unit 205 is arranged, and the execution unit 205 is arranged on the adjusting box 102. When the anchor rod and the anchor plate 400 are assembled, the execution unit 205 is controlled to work so that the two driving shafts 203 drive the driving rollers 204 to move synchronously, and under the action of the anti-slip protrusions, slipping can be avoided when the anchor plate 400 is driven.

[0041] like Figure 7 - Fig. 9 As shown, the bearing unit 300 includes a gantry 301, on which a lifting platform 302 and a cylinder 303 for driving the lifting platform 302 to move up and down are arranged, two fixed seats 304 are arranged at the bottom of the lifting platform 302, and the two fixed seats 304 are rotatably connected to a connecting seat 305 through a rotating shaft, and a bearing platform 306 is arranged on the connecting seat 305, and a variable diameter mold for pressing and bearing the anchor plate 400 is arranged on the bearing platform 306, and a connecting arm 307 is arranged on one side of the bearing platform 306, and the end of the connecting arm 307 A cylinder three 308 is rotatably connected to the lifting platform 302. When constructing the anchor plate 400, the height of the lifting platform 302, the supporting platform 306 and the variable diameter mold can be adjusted by controlling the operation of the cylinder two 303, so that the variable diameter mold can be used to press the anchor plate 400, thereby improving the stability during the construction process. After the anchor rod and the anchor plate 400 are assembled, the variable diameter mold can be used to flip the anchor plate 400 by controlling the operation of the cylinder three 308, so that the subsequent lifting of the anchor plate 400 can be facilitated.

[0042] Furthermore, the variable diameter mold includes an actuator 309, the output shaft of the actuator 309 passes through the bearing platform 306 and is provided with a double-threaded screw rod 310, the double-threaded screw rod 310 is rotatably connected to a bearing sleeve 311, the bearing sleeve 311 is fixedly connected to the bearing platform 306, and a bearing frame is provided at the end of the bearing sleeve 311 for supporting the anchor plate 400 after the flipping, and two bearing moving blocks 313 are threadedly connected to the double-threaded screw rod 310, and the bearing moving blocks 313 extend out of the bearing sleeve 311 and are rotatably connected to multiple driving arms 314 through a rotating shaft, and the ends of the multiple driving arms 314 are rotatably connected to at least four arc-shaped clamping plates 315, and the surface of the arc-shaped clamping plates 315 is rotated by the rotating shaft. It is connected with a plurality of transmission rollers 316. When it is necessary to press the anchor plate 400 or to flip the assembled anchor plate 400, the double-threaded screw rod 3 310 starts to rotate by controlling the actuator 309. The two load-bearing moving blocks 313 move toward each other under the action of the thread, and the distance between the plurality of arc-shaped clamping plates 315 is increased under the push of the driving arm 314, thereby realizing the pressing process of the anchor plate 400. When the anchor plate 400 is assembled, the arc-shaped clamping plate 315 can fit tightly with the inner circumference of the anchor plate 400, thereby realizing the overall transportation of the anchor plate 400. By arranging a plurality of transmission rollers 316 on the surface of the arc-shaped clamping plate 315, it is possible to facilitate the rotation of the anchor plate 400.

[0043] A construction method based on a wind turbine foundation construction positioning tool, the specific steps include:

[0044] Divide the anchor plate 400 into an upper anchor plate and a lower anchor plate, and evenly divide the upper anchor plate and the lower anchor plate into a plurality of groups, and grind the surface of each group of anchor plates;

[0045] According to the distance between the upper anchor plate and the lower anchor plate, the distance between the two groups of bearing modules is adjusted so that after the upper anchor plate and the lower anchor plate are placed on the two groups of bearing modules respectively, the anchor holes on the upper anchor plate and the lower anchor plate can correspond one to one;

[0046] After the upper anchor plate and the lower anchor plate are installed, the upper anchor plate and the lower anchor plate are squeezed and fixed using the bearing unit 300. After the fixing is completed, the anchor rod is assembled with the upper anchor plate and the lower anchor plate;

[0047] After a set of upper anchor plates and lower anchor plates are installed, the driving unit 200 drives the upper anchor plates and lower anchor plates to rotate, and then the next set of upper anchor plates and lower anchor plates are placed, and the upper anchor plates and lower anchor plates in one set are respectively installed and spliced ​​with the upper anchor plates and lower anchor plates in another set, and then the upper anchor plates and lower anchor plates of the next set are assembled through anchor rods;

[0048] After all the groups of anchor plates 400 are assembled, the bearing unit 300 adjusts the assembled anchor plates 400 to an angle that is convenient for hoisting, and then uses a truck crane to combine and install the assembled anchor plates 400 with the foundation pit.

[0049] The working process of this embodiment is as follows: when constructing the anchor plate 400, the distance between the two groups of bearing modules is adjusted according to the size of the anchor plate 400, and then the anchor plate 400 is placed on the bearing module and fixed. When the anchor rod and the anchor plate 400 are assembled, the assembled anchor plate 400 is rotated by the driving unit 200, and then the next group of anchor plates 400 are spliced, and then the anchor rod and the anchor plate 400 are assembled again, until several groups of anchor plates are assembled, and then the bearing unit 300 adjusts the assembled anchor plate 400 to an angle convenient for lifting, and then the assembled anchor plate is combined and installed with the foundation pit by the car crane.

[0050] 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 turbine foundation construction positioning tool, characterized in that: include: A positioning unit, used to define the positions of the two anchor plates and to adjust the distance between the two anchor plates; A driving unit, used for driving the two anchor plates to rotate; The load-bearing unit is used to squeeze the anchor plate and bear the assembled anchor plate to facilitate the subsequent cutting work; The positioning unit comprises a base plate, on which are arranged two groups of bearing modules for bearing the anchor plates and a driving member for adjusting the distance between the two groups of bearing modules, and each group of the bearing modules comprises two bearing members.

2. A wind turbine foundation construction positioning tool according to claim 1, characterized in that: The driving member includes an adjustment box, in which two adjustment seats are slidably connected, and a double-threaded screw rod is threadedly connected to the two adjustment seats. One end of the double-threaded screw rod extends out of the adjustment box and is connected to an actuator, and one side of the adjustment seat extends out of the adjustment box and is connected to a load-bearing mounting box.

3. A wind turbine foundation construction positioning tool according to claim 2, characterized in that: Two groups of moving seats are slidably connected in the load-bearing installation box, and the four groups of moving seats are respectively connected to the load-bearing parts. Two double-threaded screw rods are rotatably connected in the load-bearing installation box, and the two double-threaded screw rods are threadedly connected to the moving seats. One end of the two double-threaded screw rods extends out of the load-bearing installation box and is connected to actuator 2. Rollers are arranged on the lower surface of the load-bearing installation box.

4. A wind turbine foundation construction positioning tool according to claim 3, characterized in that: The bearing member includes two frames, which are slidably connected to a bearing seat through a slide groove, and a rotating shaft is rotatably connected between the two bearing seats through a bearing, and a bearing roller is arranged on the rotating shaft, and a limiting seat is arranged at the bottom of the frame, and the upper surfaces of the two limiting seats and the lower surfaces of the two bearing seats are slidably connected to an upper plate body and a lower plate body respectively through sliders, a cylinder 1 is arranged between the upper plate body and the lower plate body, and the limiting seat is an L-shaped structure, and one side of the limiting seat is threadedly connected to a limiting bolt, and a plurality of limiting holes corresponding to the limiting bolts are opened on the bearing mounting box.

5. A wind turbine foundation construction positioning tool according to claim 1, characterized in that: The driving unit includes a mounting platform, on which a plurality of support frames are arranged, and the plurality of support frames are rotatably connected to two driving shafts, each of which is provided with two driving rollers, and the outer peripheral surfaces of the driving rollers are provided with a plurality of anti-slip protrusions, and the ends of the two driving shafts are provided with execution units.

6. A wind turbine foundation construction positioning tool according to claim 1, characterized in that: The bearing unit includes a gantry, on which a lifting platform and a second cylinder for driving the lifting platform to move up and down are arranged, two fixed seats are arranged at the bottom of the lifting platform, the two fixed seats are rotatably connected with a connecting seat via a rotating shaft, a bearing platform is arranged on the connecting seat, a variable diameter mold for pressing and bearing the anchor plate is arranged on the bearing platform, a connecting arm is arranged on one side of the bearing platform, and a cylinder three is rotatably connected between the end of the connecting arm and the lifting platform.

7. A wind turbine foundation construction positioning tool according to claim 6, characterized in that: The variable diameter mold includes an actuator three, the output shaft of the actuator three passes through the bearing platform and is provided with a double-threaded screw rod three, the double-threaded screw rod three is rotatably connected to a bearing sleeve, the double-threaded screw rod three is threadedly connected to two bearing moving blocks, the bearing moving blocks extend out of the bearing sleeve and are rotatably connected to a plurality of driving arms via a rotating shaft, the ends of the plurality of driving arms are rotatably connected to at least four arc-shaped clamping plates, and the surfaces of the arc-shaped clamping plates are rotatably connected to a plurality of transmission rollers via a rotating shaft.

8. A construction method for the wind turbine foundation construction positioning tooling according to any one of claims 1 to 7, characterized in that: The specific steps include: The anchor plates are divided into upper anchor plates and lower anchor plates, and the upper anchor plates and lower anchor plates are evenly divided into several groups, and the surface layer of each group of anchor plates is polished; According to the distance between the upper anchor plate and the lower anchor plate, the distance between the two groups of bearing modules is adjusted so that after the upper anchor plate and the lower anchor plate are placed on the two groups of bearing modules respectively, the anchor holes on the upper anchor plate and the lower anchor plate can correspond one to one; After the upper anchor plate and the lower anchor plate are installed, the upper anchor plate and the lower anchor plate are squeezed and fixed using the bearing unit. After the fixing is completed, the anchor rod is assembled with the upper anchor plate and the lower anchor plate; After one set of upper anchor plates and lower anchor plates are installed, the driving unit drives the upper anchor plates and lower anchor plates to rotate, and then the next set of upper anchor plates and lower anchor plates are placed, and the upper anchor plates and lower anchor plates in one set are respectively installed and spliced ​​with the upper anchor plates and lower anchor plates in another set, and then the upper anchor plates and lower anchor plates of the next set are assembled through anchor rods; After several groups of anchor plates are assembled, the load-bearing unit adjusts the assembled anchor plates to an angle that is convenient for lifting, and then uses a truck crane to combine and install the assembled anchor plates with the foundation pit.

Citation Information

Patent Citations

  • Fan foundation construction positioning tool and construction method

    CN112663669A