Fan foundation construction positioning tool

Abstract

The application relates to the technical field of fan foundation construction, in particular to a fan foundation construction positioning tool, which comprises a foundation assembly and a positioning assembly. The foundation assembly comprises a base frame and a moving frame, the moving frame is rotationally connected to the base frame, and the end of the moving frame is connected with a connecting assembly. The positioning assembly comprises a moving shell, the moving shell is slidably connected to the moving frame, the moving shell is vertically slidably connected with a counterweight, the bottom of the counterweight is connected with an anchor head, the top of the counterweight is connected with a traction rope, the counterweight is driven to ascend by pulling the traction rope, the counterweight falls under the action of gravity, the anchor head at the bottom of the counterweight is inserted into the soil layer of a construction site, and the left pit hole serves as a mark point. The positioning tool can not only facilitate workers to accurately place cushion blocks, but also effectively reduce the influence of bad weather and external environment on positioning construction and construction efficiency.

Description

Technical Field

[0001] This application relates to the technical field of wind turbine foundation construction, and in particular to a positioning tool for wind turbine foundation construction. Background Technology

[0002] Currently, during the construction of wind power foundations, the foundation axis is determined based on the coordinate control points at the construction site, including baselines and horizontal benchmarks. The excavation line for the foundation pit is then determined based on the axis. Lime is used for setting out the lines, and excavation begins only after the lime lines and axis have been verified to be correct. Earthwork excavation is primarily carried out using mechanical excavation, supplemented by manual labor.

[0003] After the excavation is completed, the concrete foundation layer is poured according to the design quantity of cables and optical cables, followed by the construction of the foundation ring, including the pre-embedding of the foundation ring support steel plate, installation of the foundation ring, binding of the reinforcing bars, formwork erection and pouring, formwork removal, and backfilling of earthwork.

[0004] The positioning benchmark for the wind turbine foundation formwork needs to be determined based on measurement control points. To ensure the overall installation accuracy of the wind turbine, the accuracy of the measurement control points usually needs to reach the millimeter level to ensure that the positioning deviation of the formwork is controlled within a very small range. When constructing the reinforcement before the formwork is erected and the concrete is poured, spacers are usually placed at the bottom of the reinforcement to raise it to a certain height. The spacers are usually placed evenly by workers. Although the workers place the spacers evenly, since it is done manually based on experience, alignment is required during placement, which is slow. Furthermore, if some spacers are found to be misaligned during construction, their positions need to be adjusted.

[0005] In the prior art, Chinese patent document with publication number CN223048076U discloses a positioning fixture for wind turbine foundation construction. A ring slide rail is fixedly connected to a central support, and an arc-shaped slider adapted to the ring slide rail is slidably connected to the ring slide rail. A vertical rod is fixedly connected to the arc-shaped slider, and a connecting plate is fixedly connected to the vertical rod. Connecting rods are fixedly connected in parallel and symmetrically on the connecting plate. Multiple lime troughs are provided on the connecting rods. The bottom of the lime trough is provided with a discharge port, and an electric valve is installed at the bottom of the discharge port. The central support serves as the rotation center, and the lime troughs are used in conjunction with the electric valve to position the lime for falling.

[0006] However, in the aforementioned patent documents, the lime trough and discharge port are designed to be higher than the ground in order to facilitate position adjustment. Under severe weather conditions such as strong winds or rain, the lime may be scattered or the rainwater may wet and disperse, requiring repositioning and affecting construction efficiency. Utility Model Content

[0007] To reduce the impact of the external environment on positioning construction and construction efficiency, this application provides a positioning tool for wind turbine foundation construction.

[0008] This application provides a wind turbine foundation construction positioning fixture, which adopts the following technical solution: A wind turbine foundation construction positioning fixture includes a foundation component and a positioning component. The foundation component includes a base frame and a movable frame, and the movable frame is rotatably connected to the base frame. The positioning component includes a movable housing, which is slidably connected to the movable frame. The movable shell is vertically slidably connected to a counterweight block. An anchor head is connected to the bottom of the counterweight block, and a traction rope is connected to the top of the counterweight block. A hanging ring is provided on the traction rope, and a hook that cooperates with the hanging ring is provided on the top of the movable shell.

[0009] By adopting the above technical solution, during the use of this application, the base frame can provide stable support for the mobile frame and connecting components, and the mobile frame and connecting components can provide stable movement stroke for the positioning component, facilitating precise adjustment of the positioning component. After moving the positioning component of this application to the distance position marked on the construction drawings, the hanging ring is removed from the hook of the mobile shell, and the counterweight is driven to rise vertically inside the mobile shell by pulling the traction rope. When it reaches the highest point, it is released. Under the action of gravity, the counterweight descends vertically along the inner wall of the mobile shell, so that the anchor head at the bottom of the counterweight can be inserted into the soil layer of the construction site. The pit left by the anchor head is the mark point. After positioning is completed, the counterweight and anchor head are pulled up by the traction rope, and the two are limited by the locking of the hanging ring and hook. The positioning method of this application can ensure positioning accuracy, facilitate workers to accurately place the pad block, and effectively reduce the interference of bad weather on positioning, ensuring construction efficiency.

[0010] Optionally, the base frame includes a base, the top of which has an annular mounting groove, a rotating ring is rotatably fitted in the annular mounting groove, the rotating ring is connected to a movable frame, and a top cover is fixedly connected to the center of the top of the base, the top cover being fitted over the rotating ring.

[0011] By adopting the above technical solution, the mobile frame can be adjusted at the base with the rotating ring as the fulcrum, thereby enabling the setting of multiple positioning points. While providing stable support for the mobile frame and connecting parts, the base frame can also protect the rotating ring, preventing external debris and dust from affecting the rotation of the rotating ring and improving the service life of the equipment.

[0012] Optionally, an upper annular slide rail is provided at the junction of the top cover and the rotating ring, and a lower annular slide rail is provided at the junction of the annular mounting groove and the rotating ring. Slide rail grooves are respectively formed on the upper and lower surfaces of the rotating ring.

[0013] By adopting the above technical solutions, the stability of the rotating ring can be improved and wear can be reduced.

[0014] Optionally, a first guide groove is provided on the top outer surface of the base, and a guide block is provided on the inner wall of the top cover.

[0015] By adopting the above technical solution, the design of the first guide groove and guide block can achieve rapid positioning when the top cover and base are installed.

[0016] Optionally, the inner wall of the movable frame is provided with a movable groove, and the top of the outer surfaces on both sides of the movable shell is provided with sliders, which are slidably connected to the movable groove.

[0017] By adopting the above technical solution, the movable shell can slide along the length of the movable frame, and the position of the movable shell on the movable frame can be adjusted, thereby realizing the setting of multiple positioning points.

[0018] Optionally, the outer surface of the movable frame is provided with scale lines on both sides, and the top of the movable shell is provided with scale pointers on both sides.

[0019] By adopting the above technical solution, the design of the scale lines and scale pointer can provide precise assistance when adjusting the position of the moving shell on the moving frame, thereby improving the accuracy of the moving shell movement and thus improving the positioning accuracy.

[0020] Optionally, a connecting assembly is connected to one end of the movable frame away from the base frame. The connecting assembly includes a connector body and a sealing block. The sealing block is located on the side of the connector body near the movable frame and seals the side opening of the movable groove.

[0021] By adopting the above technical solution, the sealing block can achieve rapid positioning of the main body of the connector and the mobile frame during installation, while improving the stability of the connection between the connector and the mobile frame.

[0022] Optionally, a movable component is connected to the bottom of the connector body. The movable component includes a connecting plate, a connecting block is provided at the top of the connecting plate, the connecting block is fixedly connected to the connector body, a rotating shaft is rotatably connected to the middle of the connecting plate, and a movable wheel is connected to the bottom of the rotating shaft.

[0023] By adopting the above technical solution, when the moving frame adjusts its angle with the base as the fulcrum under the action of the rotating ring, the moving component can provide auxiliary support for the moving frame and improve the stability of the moving frame's rotation and movement.

[0024] Optionally, the outer side of the counterweight is provided with a pulley, and the inner side of the movable shell is provided with a second guide groove that cooperates with the pulley.

[0025] By adopting the above technical solution, during the positioning process, when the counterweight descends vertically along the moving shell, the pulley setting can reduce the resistance between the counterweight and the moving shell, reduce the wear of the counterweight and the moving shell, and improve the service life. The design of the second guide groove can fix the position of the pulley, reduce the swaying of the counterweight and the anchor during the falling process, and improve the positioning accuracy.

[0026] Optionally, a support platform is provided on the outside of the counterweight block, and the support platform is detachably connected to an additional counterweight. The support platform is located above the pulley.

[0027] By adopting the above technical solution, counterweights can be added to the load-bearing platform to cope with different construction environments. When the construction ground is hard or dry, a larger counterweight is required to ensure that the anchor head leaves a mark on the soil layer of the construction ground.

[0028] In summary, this application includes at least one of the following beneficial technical effects: 1. This application uses a traction rope to lift a counterweight block, which then falls under gravity. The anchor head at the bottom of the counterweight block is inserted into the soil at the construction site, leaving a pit as a marker point. This allows workers to accurately place the pad block. Furthermore, by adding counterweights to the support platform, different construction environments can be addressed. Compared to ash-drop positioning, this method effectively reduces the impact of severe weather and external environment on positioning construction and construction efficiency.

[0029] 2. Through the design of the base frame, this application provides stable support for the mobile frame and connecting parts, while also protecting the rotating ring, so that external debris and dust will not affect the rotation of the rotating ring, thereby improving the service life of the equipment.

[0030] 3. Through the design of the movable frame and connecting parts, this application can provide a stable moving stroke for the positioning part, which facilitates the precise adjustment of the positioning part. Attached Figure Description

[0031] Figure 1 This is a schematic diagram of the overall structure of the wind turbine foundation construction positioning tool in Embodiment 1 of this application; Figure 2 This is a schematic diagram of the base frame structure in Embodiment 1 of this application; Figure 3 This is a schematic diagram of the top cover structure in Embodiment 1 of this application; Figure 4 This is a partial structural diagram of Embodiment 1 of this application; Figure 5 for Figure 4 A magnified view of a portion of region A in the middle; Figure 6 This is a partial structural diagram of the positioning component in Embodiment 1 of this application; Figure 7 This is a schematic diagram of the connection structure between the connecting component and the moving component in Embodiment 1 of this application; Figure 8 This is a schematic diagram of the mobile component structure in Embodiment 1 of this application; Figure 9 This is a partial structural diagram of the positioning component in Embodiment 2 of this application; Figure 10 This is a schematic diagram of the movable shell structure in Embodiment 2 of this application.

[0032] Reference numerals: 100, base component; 200, moving component; 300, connecting component; 400, positioning component; 110, base frame; 120, moving frame; 130, base; 131, annular mounting groove; 132, lower annular slide rail; 133, first guide groove; 134, guide block; 140, rotating ring; 141, slide rail groove; 150, top cover; 151, upper annular slide rail; 114, connecting bolt; 121, moving groove ; 122, scale line; 210, connecting plate; 220, connecting block; 230, rotating shaft; 240, moving wheel; 310, main body of connecting part; 320, sealing block; 410, moving shell; 411, second guide groove; 420, counterweight block; 421, pulley; 422, load-bearing platform; 423, additional counterweight; 430, anchor head; 440, traction rope; 450, hanging ring; 460, hook; 470, scale pointer; 480, slider. Detailed Implementation

[0033] The following combination Figures 1 to 10 This application will be described in further detail.

[0034] Example 1: This example discloses a positioning tool for wind turbine foundation construction.

[0035] Reference Figure 1 The wind turbine foundation construction positioning fixture includes a foundation component 100, a moving component 200, a connecting component 300, and a positioning component 400. The foundation component 100 provides stable support for the moving component 200, the connecting component 300, and the positioning component 400. The moving component 200 is connected to the foundation component through the connecting component 300. When positioning and placing the wind turbine foundation pads, the positioning component 400 adjusts its position through the foundation component 100 and the moving component 200 to perform multi-point positioning.

[0036] The base component 100 includes a base frame 110 and a movable frame 120 rotatably connected to the base frame 110. The positioning component 400 is slidably connected to the inner side of the movable frame 120. The connecting component 300 is connected to one end of the movable frame 120 away from the base frame 110. The other end of the movable frame 120 is connected to a rotating ring 140. The bottom of the connecting component 300 is connected to the movable component 200.

[0037] Reference Figures 2 to 3 The base frame 110 includes a base 130, the top of which has an annular mounting groove 131. A rotating ring 140 is rotatably fitted inside the annular mounting groove 131. The rotating ring 140 is connected to the movable frame 120, so that the movable frame 120 can be angled with the base 130 as the fulcrum under the action of the rotating ring 140. A top cover 150 is fitted on the top of the base 130. Bolt holes are opened at the center of the top cover 150 and the center of the top of the base 130. The two are connected and fixed by connecting bolts 114. The bottom of the top cover 150 is pressed into contact with the top of the rotating ring 140.

[0038] Furthermore, an upper annular slide rail 151 is provided at the junction of the top cover 150 and the rotating ring 140, and a lower annular slide rail 132 is provided at the junction of the annular mounting groove 131 and the rotating ring 140. Slide rail grooves 141 are respectively opened on the upper and lower surfaces of the rotating ring 140. Through the cooperation of the upper annular slide rail 151, the lower annular slide rail 132 and the slide rail grooves 141, the stability of the rotation of the rotating ring 140 can be improved and the wear of the rotating ring 140 can be reduced.

[0039] In this embodiment, the structural design of the base frame 110 provides stable support for the mobile frame 120 and the connecting assembly 300, while also protecting the rotating ring 140, reducing the impact of external debris and dust on the rotation of the rotating ring 140, and improving the service life of the equipment.

[0040] Elastic sealing gaskets can be provided on the outer edges of the junctions between the annular mounting groove 131 and the top cover 150 and the rotating ring 140. The design of the elastic sealing gaskets can further enhance the sealing and protection effect, reducing the erosion and interference of external dust and rainwater.

[0041] The top outer surface of the base 130 is also evenly provided with several first guide grooves 133, and the inner wall of the top cover 150 is provided with guide blocks 134 that cooperate with the first guide grooves 133. Through the cooperation of the first guide grooves 133 and guide blocks 134, the top cover 150 and the base 130 can be quickly positioned during installation.

[0042] Reference Figures 4 to 6 In this embodiment, the positioning component 400 includes a movable shell 410. Slider 480s are respectively provided on the top of the outer surfaces of both sides of the movable shell 410. A movable groove 121 is provided on the inner wall of the movable frame 120. The movable groove 121 is opened along the length direction of the movable frame 120. The slider 480 can slide in the movable groove 121, thereby realizing the sliding of the movable shell 410 along the length direction of the movable frame 120 and adjusting the position of the movable shell 410 on the movable frame 121.

[0043] In this embodiment, a sliding groove is provided in the middle of the top wall of the movable shell 410, which runs vertically through the entire movable shell 410. A counterweight 420 is vertically slidably connected in the sliding groove. An anchor head 430 is connected to the bottom of the counterweight 420, and a traction rope 440 is connected to the top of the counterweight 420. A hanging ring 450 is provided on the traction rope 440. A hook 460 that cooperates with the hanging ring 450 is provided on the top of the movable shell 410. After the positioning construction is completed, the counterweight 420 and the anchor head 430 are limited by the engagement of the hanging ring 450 and the hook 460.

[0044] The outer surface of the movable frame 120 is provided with scale lines 122 on both sides, and the top of the movable shell 410 is provided with scale pointers 470 corresponding to the scale lines 122 on both sides. Through the design of scale lines 122 and scale pointers 470, precise assistance can be provided when adjusting the position of the movable shell 410 on the movable frame 120, thereby improving the accuracy of the movement of the movable shell 410 and thus improving the accuracy of positioning construction.

[0045] Reference Figure 7 The connecting component 300 in this embodiment includes a connecting body 310 and a sealing block 320. The sealing block 320 is fixedly connected to the side of the connecting body 310 near the movable frame 120. The sealing block 320 seals the side opening of the movable groove 121. Through the design of the sealing block 320, the connecting body 310 and the movable frame 120 can be quickly positioned during installation, and the stability of the connection between the connecting body 310 and the movable frame 120 can be improved.

[0046] Reference Figures 7 to 8 The movable component 200 is fixedly connected to the bottom of the connector body 310. The movable component 200 includes a connecting plate 210, a connecting block 220 is provided on the top of the connecting plate 210, the connecting block 220 is fixedly connected to the connector body 310, a rotating shaft 230 is rotatably connected to the middle of the connecting plate 210, and a movable wheel 240 is connected to the bottom of the rotating shaft 230. In this embodiment, the connecting block 220 and the connector body 310 are fixedly connected by bolts. When the movable frame 120 is adjusted in angle with the base 130 as the fulcrum under the action of the rotating ring 140, the movable component 400 can provide auxiliary support for the movable frame 120, thereby improving the stability of the rotation and movement of the movable frame 120.

[0047] The working principle of Embodiment 1 of this application is as follows: During positioning construction, the base frame 110 is installed in the construction site. Then, the position of the movable shell 410 on the movable frame 120 is adjusted according to the position marked on the construction drawings, and precise adjustment is made through the scale line 122 and the scale pointer 470. After the adjustment is completed, the hanging ring 450 is removed from the hook 460 of the movable shell 410. Then, the counterweight 420 is driven to rise vertically inside the movable shell 410 by pulling the traction rope 440. After reaching a certain height, the traction rope 440 is released. Under the influence of gravity, the counterweight 420 descends vertically along the inner wall of the movable shell 410, allowing the anchor head 430 at the bottom of the counterweight 420 to insert into the soil layer of the construction site. Then, the traction rope 440 is pulled up to lift the counterweight 420 and the anchor head 430. The hanging ring 450 on the traction rope 440 is then attached to the hook 460 at the top of the movable shell 410. The engagement of the hanging ring 450 and the hook 460 limits their movement. The pit left by the anchor head 430 in the site serves as a marker point, facilitating precise placement of the pad block by workers. This method of using the counterweight to fall under gravity and leave a marker point on the construction site, compared to mortar-based positioning, effectively reduces the impact of severe weather and external environment on positioning construction and efficiency.

[0048] Example 2: Refer to Figures 9 to 10 The difference between this embodiment and embodiment 1 is that the outer side of the counterweight 420 is provided with pulleys 421, and at least two pulleys 421 are symmetrically arranged. The inner side of the movable shell 410 is vertically provided with a second guide groove 411 that cooperates with the pulleys 421. During the positioning construction process, when the counterweight 420 descends vertically along the movable shell 410, the pulleys 421 can reduce the resistance between the counterweight 420 and the movable shell 410, reduce the wear of the counterweight 420 and the movable shell 410, and improve the service life. The design of the second guide groove 411 can fix the position of the pulleys 421, reduce the swaying of the counterweight 420 and the anchor head 430 during the falling process, and improve the positioning accuracy.

[0049] Additional counterweights can be added to the outer side of the counterweight block 420 via a detachable connection. In this embodiment, a support platform 422 is provided on the outer side of the counterweight block 420, located above the pulley 421. An annular additional counterweight 423 can be fitted onto the outer side of the counterweight block 420 and supported by the support platform 422. By adjusting the counterweight, different construction environments can be accommodated. For example, when the construction ground is hard or dry, a larger counterweight is required to ensure that the anchor head 430 leaves a mark on the soil layer of the construction ground.

[0050] The working principle of Embodiment 2 of this application is as follows: When performing positioning construction, after the base frame 110 is installed in the construction site and the position of the movable shell 410 is adjusted, the hanging ring 450 is removed from the hook 460 of the movable shell 410, and the additional counterweight 423 is selected on the counterweight block 420 according to the layer conditions of the construction site. If the soil layer at the construction site is soft or damp, the traction rope 440 can be pulled directly to raise the counterweight 420 vertically within the movable shell 410. After reaching a certain height, the traction rope 440 is released, causing the counterweight 420 and anchor head 430 to descend vertically. The anchor head 430 then inserts into the soil layer at the construction site, leaving a mark. If the ground surface is hard or dry, a suitable additional counterweight 423 is selected and fitted onto the counterweight 420. Then, the traction rope is pulled to a certain height and released until the anchor head leaves a mark on the site. Next, the traction rope 440 is pulled up to raise the counterweight 420 and anchor head 430. The hanging ring 450 is hung on the hook 460 to limit the counterweight 420. The positions of the movable frame 120 and movable shell 410 are adjusted according to the positions marked on the drawings to locate the next mark.

[0051] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A positioning fixture for wind turbine foundation construction, comprising a foundation component (100) and a positioning component (400), characterized in that: The basic component (100) includes a base frame (110) and a movable frame (120), the movable frame (120) being rotatably connected to the base frame (110); The positioning component (400) includes a movable shell (410), which is slidably connected to the movable frame (120). A counterweight (420) is vertically slidably connected to the movable shell (410). An anchor head (430) is connected to the bottom of the counterweight (420). A traction rope (440) is connected to the top of the counterweight (420). A hanging ring (450) is provided on the traction rope (440). A hook (460) that cooperates with the hanging ring (450) is provided on the top of the movable shell (410).

2. The wind turbine foundation construction positioning fixture according to claim 1, characterized in that: The base frame (110) includes a base (130), the top of which is provided with an annular mounting groove (131), a rotating ring (140) is rotatably fitted inside the annular mounting groove (131), the rotating ring (140) is connected to a movable frame (120), and a top cover (150) is fixedly connected to the center of the top of the base (130), the top cover (150) is fitted above the rotating ring (140).

3. The wind turbine foundation construction positioning fixture according to claim 2, characterized in that: The top cover (150) is provided with an upper annular slide rail (151) at the junction with the rotating ring (140), and the annular mounting groove (131) is provided with a lower annular slide rail (132) at the junction with the rotating ring (140). The upper and lower surfaces of the rotating ring (140) are respectively provided with slide rail grooves (141).

4. The wind turbine foundation construction positioning fixture according to claim 2, characterized in that: The base (130) has a first guide groove (133) on its top outer surface, and the top cover (150) has a guide block (134) on its inner wall.

5. The wind turbine foundation construction positioning fixture according to claim 1, characterized in that: The inner wall of the movable frame (120) is provided with a movable groove (121), and the top of the outer surfaces on both sides of the movable shell (410) are respectively provided with sliders (480), and the sliders (480) are slidably connected to the movable groove (121).

6. The wind turbine foundation construction positioning fixture according to claim 5, characterized in that: The outer surface of the movable frame (120) is provided with scale lines (122) on both sides, and the top of the movable shell (410) is provided with scale pointers (470) on both sides.

7. The wind turbine foundation construction positioning fixture according to claim 1, characterized in that: The movable frame (120) is connected to a connecting component (300) at one end away from the base frame (110). The connecting component (300) includes a connector body (310) and a blocking block (320). The blocking block (320) is located on the side of the connector body (310) close to the movable frame (120) and blocks the side opening of the movable groove (121).

8. The wind turbine foundation construction positioning fixture according to claim 1, characterized in that: The bottom of the connector body (310) is connected to a moving component (200), the moving component (200) includes a connecting plate (210), the top of the connecting plate (210) is provided with a connecting block (220), the connecting block (220) is fixedly connected to the connector body (310), the middle of the connecting plate (210) is rotatably connected to a rotating shaft (230), and the bottom of the rotating shaft (230) is connected to a moving wheel (240).

9. The wind turbine foundation construction positioning fixture according to claim 1, characterized in that: The counterweight (420) has a pulley (421) on its outer side, and the movable shell (410) has a second guide groove (411) on its inner side that cooperates with the pulley (421).

10. A wind turbine foundation construction positioning fixture according to claim 9, characterized in that: The counterweight (420) has a support platform (422) on its outer side. The support platform (422) is detachably connected to an additional counterweight (423). The support platform (422) is located above the pulley (421).

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