A frame leg for a walking device and a method of adjusting

Abstract

The present application relates to photovoltaic module installation equipment technical field, specifically disclose a kind of rack support leg and adjusting method for walking device, including contact bottom plate, rack connecting piece, vertical telescopic component, first horizontal telescopic component and second horizontal telescopic component;First horizontal telescopic component is arranged on the upper end surface of contact bottom plate, for adjusting the X direction displacement of rack support leg;The lower end of vertical telescopic component is connected with contact bottom plate, for realizing contact bottom plate lifting and falling, and second horizontal telescopic component is used to adjust the Y direction displacement of rack support leg;The bottom plate of rack connecting piece is slidably connected with second horizontal telescopic component, the top plate of rack connecting piece is used to be connected with rack, and the bottom plate and top plate can pass through guide beam between them.The present application is used to support the rack of walking device, the position of rack support leg can be fine-tuned, so that rack support leg accurately falls on stake, to adapt to the position interval deviation of stake.

Description

Technical Field

[0001] This invention relates to the field of photovoltaic module installation equipment technology, specifically to a frame support leg and adjustment method for a walking device. Background Technology

[0002] With the advent of the photovoltaic era in my country, the photovoltaic industry has entered a new stage of development and will face higher requirements and challenges. Benefiting from the continuous decline in the cost of the photovoltaic industry chain, the price difference between the cost of photovoltaic electricity and the cost of thermal power electricity in my country has continued to narrow, indicating that photovoltaic power generation has enormous development potential.

[0003] Currently, all photovoltaic module installations are done manually. In some medium-to-large-scale distributed photovoltaic power generation systems and centralized photovoltaic power generation systems, manual installation is still used. This inevitably leads to low installation efficiency and consumes a lot of time and costs. At the same time, working in the open environment for a long time will also increase the requirements for workers.

[0004] Therefore, intelligent installation equipment has become the trend in photovoltaic module installation. The walking mechanism is the mobile mechanism for intelligent installation equipment, including the frame, guide beam, and corresponding outriggers. Intelligent photovoltaic module installation equipment needs to be erected on piles. Ideally, the piles should be evenly spaced in a straight line, with one row at the front and one at the back. However, due to construction errors, the spacing of the piles may vary. Therefore, adjustable outriggers need to be installed on the intelligent photovoltaic module installation equipment. By standing on the piles with these outriggers, the equipment can be erected and move along the piles. Summary of the Invention

[0005] The purpose of this invention is to provide a frame support leg and adjustment method for a walking device, which supports the frame of the walking device and can finely adjust the position of the frame support leg so that the frame support leg accurately falls on the upright post to adapt to the positional spacing deviation of the upright post.

[0006] This invention is achieved through the following technical solution:

[0007] A frame support leg for a walking device includes a contact base plate, a frame connector, a vertical telescopic member, a first horizontal telescopic member, and a second horizontal telescopic member.

[0008] The contact base plate is used to be placed on the upright pile;

[0009] The first horizontal telescopic component is installed on the upper surface of the contact base plate and is used to adjust the X-direction displacement of the frame legs;

[0010] The vertical telescopic component is used to adjust the vertical displacement of the contact base plate, thereby enabling the outriggers to be raised and lowered.

[0011] The second horizontal telescopic component is located at the bottom of the frame connector and is used to adjust the Y-direction displacement of the frame legs;

[0012] The frame connector includes a base plate and a top plate, which are connected by a vertical plate. The base plate is slidably connected to a vertical telescopic member, and the top plate is used to connect to the frame. A guide beam can pass through the base plate and the top plate. The base plate and the top plate are respectively provided with a first through hole and a second through hole for the vertical telescopic member to pass through. The inner diameter of the first through hole and the second through hole is larger than the outer diameter of the vertical telescopic member.

[0013] In this invention, X and Y refer to the length and width directions of the frame, respectively, or X and Y refer to the width and length directions of the frame, respectively. The length direction of the frame is the direction of movement of the walking device.

[0014] Since the walking device includes a frame and a guide beam, and the frame can move on the guide beam under the drive mechanism, the frame legs used to support the frame in this invention need to not only support the frame but also allow passage through the guide beam. Therefore, this invention rationally designs the frame connector, which is not a simple flat plate structure but a box-type structure. The top of the box-type structure is used to connect with the frame, and the central cavity of the box-type structure allows passage through the guide beam, thus achieving both support for the frame and allowing the guide beam to pass through.

[0015] The first horizontal telescopic member of this invention is used to adjust the X-direction displacement of the vertical telescopic member, that is, to adjust the X-direction displacement of the outrigger to accommodate the pile spacing error between two adjacent piles in the same row; the second horizontal telescopic member is used to adjust the Y-direction displacement of the outrigger to accommodate the pile spacing error between two piles in the same row; the vertical telescopic member can realize the adjustment of the vertical displacement of the contact base plate, realizing the raising and lowering of the outrigger.

[0016] Therefore, the frame support legs described in this invention can be finely adjusted in position according to errors such as pile spacing, levelness, and height, so as to ensure that the frame support legs can be accurately and stably placed on the upright piles.

[0017] Furthermore, the structure of the second horizontal telescopic member includes a lead screw drive mechanism, a hydraulic cylinder, or a pneumatic cylinder; the structure of the first horizontal telescopic member includes a lead screw drive mechanism, a hydraulic cylinder, or a pneumatic cylinder.

[0018] Furthermore, the vertical telescopic component adopts a screw drive mechanism. The vertical telescopic component includes a vertical screw and a sleeve disposed on the vertical screw. A sliding block is disposed on the outer wall of the sleeve. The sliding block is slidably disposed at the bottom of the base plate. The sliding block is connected to the telescopic end of the second horizontal telescopic component.

[0019] The frame legs of this invention move up and down using a screw drive, which has a self-locking function, enabling them to support the upper structure without moving for extended periods and providing a large load-bearing capacity.

[0020] Furthermore, a second sliding groove is provided on the lower end face of the base plate, and the sliding block is driven by the second horizontal telescopic member to move in the Y direction relative to the frame connector in the second sliding groove.

[0021] Furthermore, at least two clamping blocks are provided on both sides of the upper surface of the top plate in the horizontal movement direction of the frame connector; the clamping blocks and the top plate have a distance that can accommodate the lower edge of the frame.

[0022] Furthermore, the lower edge of the frame is fastened between the clamping block and the top plate by bolts.

[0023] Furthermore, reinforcing ribs are provided on the outer wall of the upright plate.

[0024] Furthermore, a limiting toe is connected to the contact base plate;

[0025] The limiting toe has a connecting part and a limiting part; the connecting part is used to connect with the contact base plate, and there are two limiting parts, which are placed on both sides of the upright pile.

[0026] Furthermore, the bottom of the vertical telescopic member is connected to a base via a ball joint, and the base is driven to move in the X direction by the first horizontal telescopic member.

[0027] The method for moving the frame legs of the above-mentioned walking device includes the following steps:

[0028] S1. When it is necessary to move the frame, the vertical telescopic component is controlled by the control system to move upward to lift it until the height of the contact plate (1) is higher than the ear plate on the top circular surface of the pile.

[0029] S2. The control system controls the moving control mechanism to move the frame. When it moves to the designated position, the control system controls the vertical telescopic component to move downward and fall, so that the contact plate lands on the ear plate side of the top circular surface of the pile.

[0030] S3. The control system adjusts the first horizontal telescopic component and / or the second horizontal telescopic component to make fine adjustments to the frame legs in the X and Y directions, so that the frame legs can be stably placed on the top circular surface of the pile.

[0031] Compared with the prior art, the present invention has the following advantages and beneficial effects:

[0032] 1. The first horizontal telescopic component, the second horizontal telescopic component, and the vertical telescopic component in the frame support leg of the present invention can respectively adjust the X-direction displacement, Y-direction displacement, and vertical height of the contact baffle of the frame support leg. The vertical displacement of the contact baffle realizes the raising and lowering of the frame support leg, thus fulfilling the needs of frame movement and the supporting role of the frame support leg on the frame. The X-direction displacement, Y-direction displacement, and ball joint connection can fine-tune the position of the frame to compensate for the deviation of the pile spacing (due to the unavoidable errors in pile spacing, levelness, height, etc. during civil construction).

[0033] 2. The present invention improves the stability of the frame legs placed on the upright by connecting a limiting toe to the contact base plate. When the frame legs are placed on the upright, the limiting parts on both sides of the limiting toe contact the outer walls on both sides of the upright. Attached Figure Description

[0034] The accompanying drawings, which are included to provide a further understanding of embodiments of the invention and form part of this application, do not constitute a limitation thereof. In the drawings:

[0035] Figure 1 This is a schematic diagram of the frame support legs for the walking device of the present invention. Figure 1 ;

[0036] Figure 2 This is a schematic diagram of the frame support legs for the walking device of the present invention. Figure 2 ;

[0037] Figure 3 This is a schematic diagram of the pile structure.

[0038] The attached diagram shows the markings and corresponding component names:

[0039] 1-Contact base plate; 2-Limiting toe; 3-Baffle; 4-Base; 5-Frame connector; 6-Vertical telescopic component; 7-First horizontal telescopic component; 8-Second horizontal telescopic component; 9-Spherical hinge; 51-Base plate; 52-Upright plate; 53-Top plate; 54-Clamping block; 55-Second through hole; 56-Reinforcing rib; 61-Vertical lead screw; 62-Sleeve; 63-Sliding block; 100-Upright post; 101-Ear plate. Detailed Implementation

[0040] To make the objectives, technical solutions, and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the embodiments and accompanying drawings. The illustrative embodiments and descriptions of the present invention are only used to explain the present invention and are not intended to limit the present invention.

[0041] The walking device requires two types of outriggers: frame outriggers and guide beam outriggers. The frame outriggers and guide beam outriggers support the frame and guide beam respectively. In use, both the frame outriggers and guide beam outriggers are placed on the same upright post 100. The structure of the upright post 100 is as follows: Figure 3 As shown, to prevent interference between the frame legs and guide beam legs due to errors in the outrigger travel distance during operation, an ear plate 101 is provided in the center of the top circular surface of the upright pile 100. The ear plate 101 has a certain height, and the frame legs and guide beam legs are placed on either side of the ear plate 101 on the top circular surface of the upright pile 100. That is, in use, the ear plate 101 bisects the circular surface of the upright pile 100 and has a certain thickness, ensuring that the frame legs and guide beam legs occupy less than half of the area on the upright pile 100 and that the occupied areas are equal. Therefore, to accurately place the frame legs and guide beam legs on the upright pile 100, it is necessary to rationally design the structure of the frame legs and guide beam legs based on the specific structure of the upright pile 100 and the travel requirements of the frame and guide beam.

[0042] Therefore, each of the present invention is designed with the frame legs as described below.

[0043] Example 1:

[0044] like Figure 1 , Figure 2 As shown, a frame support leg for a walking device includes a contact base plate 1, a frame connector 5, a vertical telescopic member 6, a first horizontal telescopic member 7, and a second horizontal telescopic member 8.

[0045] The contact base plate 1 is used to be placed on the upright pile; the contact base plate 1 is used to support other components of the mounting frame legs. When in use, the top of the upright pile 100 is flat, and the contact base plate 1 is placed on one side of the top round ear plate 101 of the upright pile. That is, the lower end surface of the contact base plate 1 is also a flat structure. The specific structure of the contact base plate 1 can be a flat plate with a certain thickness.

[0046] The first horizontal telescopic component 7 is disposed on the upper end face of the contact base plate 1, and the X-direction displacement of the frame outriggers is adjusted by adjusting the X-direction displacement of the vertical telescopic component 6. The structure of the first horizontal telescopic component 7 includes a screw drive mechanism, a hydraulic cylinder or a pneumatic cylinder; specifically,

[0047] One implementation method for the first horizontal telescopic component 7 is as follows:

[0048] The first horizontal telescopic member 7 adopts a screw transmission mechanism. The first horizontal telescopic member 7 includes a first fixed block, a first screw, a first slider and a first motor. One end of the first screw is rotatably disposed in the first fixed block. The first fixed block is fixed to the upper end face of the contact base plate 1. The first motor is used to drive the first screw to rotate. The first slider is slidably disposed on the first screw. The first slider moves back and forth on the first screw by driving the first screw to rotate by the first motor, thereby realizing the X-direction displacement of the vertical telescopic member 6.

[0049] The second horizontal telescopic component 8 is located at the bottom of the frame connector 5 and is used to adjust the Y-axis displacement of the frame outriggers. The structure of the second horizontal telescopic component 8 includes a screw drive mechanism, a hydraulic cylinder, or a pneumatic cylinder. One specific structure of the second horizontal telescopic component 8 is as follows:

[0050] The second horizontal telescopic component 8 adopts a screw drive mechanism. The second horizontal telescopic component 8 includes a second fixed block, a second screw, and a second slider. The second screw is rotatably mounted on the second fixed block and is driven to rotate by a second motor. The second slider is slidably mounted on the second screw, and the second fixed block is fixed to the bottom of the frame connector 5.

[0051] The vertical telescopic component 6 is used to adjust the vertical displacement of the contact base plate 1, realizing the raising and lowering of the outriggers. The structure of the vertical telescopic component 6 includes a screw drive mechanism, a hydraulic cylinder or a pneumatic cylinder, preferably a screw drive mechanism. The screw drive has a self-locking function, which can ensure that the upper structure remains stationary for a long time and has a large load-bearing capacity. Since the walking system is suitable for pile operation, the control system ensures that the guide beam outriggers or frame outriggers accurately land on the pile 100. Since the walking system needs to carry the wire laying device, integrated wire reel, and other structures together, the outriggers of this system are load-bearing outriggers with a large load-bearing capacity. Under heavy load conditions, the walking system has good stress condition, so in this embodiment, the vertical telescopic component 6 preferably uses a screw drive.

[0052] One implementation method for the vertical telescopic component 6 is as follows:

[0053] The vertical telescopic component 6 employs a screw drive mechanism. The vertical telescopic component 6 includes a vertical screw 61 and a sleeve 62 mounted on the vertical screw. The vertical screw 61 is vertically mounted on the contact base plate 1. The sleeve 62 is threadedly connected to the vertical screw 61. A sliding block 63 is provided on the outer wall of the sleeve 62. The sliding block 63 is slidably mounted at the bottom of the frame connector 5. The sliding block 63 is connected to the telescopic end of the second horizontal telescopic component 8. When the second horizontal telescopic component 8 employs a screw drive mechanism, the sliding block 63 is connected to the second slider. Driven by the second motor, the second slider drives the sliding block 63 to move in the Y direction.

[0054] When the vertical screw 61 is rotated, it can move up and down within the sleeve 62. The vertical displacement of the contact base plate 1 can be adjusted via the vertical telescopic member 6. When the contact base plate 1 needs to contact the post 100, the motor controls the vertical screw 61 to move downwards, causing the contact base plate 1 to rest on the upper surface of the post 100. At this time, the frame legs support the frame. When the frame needs to be moved, the contact base plate 1 needs to leave the post 100. The vertical screw 61 is rotated in the opposite direction to move upwards, causing the contact base plate 1 to leave the post 100. This allows the frame to be driven along the X-axis of the guide beam by the movement control mechanism. The movement control mechanism driving the frame along the guide beam is not the technology to be protected in this embodiment and will not be described further.

[0055] Preferably, the lower end of the vertical lead screw 61 is connected to the base 4 via a ball joint 9. The base 4 is slidably disposed on the upper surface of the contact base plate 1. The base 4 is connected to the telescopic end of the first horizontal telescopic member 7. The base 4 is driven to move on the upper surface of the contact base plate 1 by the first horizontal telescopic member 7, thereby realizing the X-direction displacement of the vertical telescopic member 6.

[0056] The frame connector 5 includes a base plate 51 and a top plate 53, which are connected by a vertical plate 52. The base plate 51 is slidably connected to the vertical telescopic member 6, i.e., the sliding block 63 is slidably disposed on the base plate 51. The second horizontal telescopic member 8 is installed at the bottom of the base plate 51. Specifically, the lower end face of the base plate 51 is provided with a second sliding groove. Under the drive of the second horizontal telescopic member 8, the sliding block 63 moves relative to the frame connector 5 in the Y direction within the second sliding groove. The top plate 53 is used to connect to the frame, and a guide beam can pass through between the base plate 51 and the top plate 53. The base plate 51 and the top plate 53 are respectively provided with a first through hole and a second through hole 55 for passing through the vertical telescopic member 6. The inner diameter of the first through hole and the second through hole 55 is larger than the outer diameter of the vertical telescopic member 6 to facilitate the displacement of the vertical telescopic member 6 in the Y direction.

[0057] Specifically: Two upright plates 52 are symmetrically arranged between the bottom plate 51 and the top plate 53. The two upright plates 52 are respectively placed on both sides of the vertical telescopic member 6. The gap between the vertical telescopic member 6 and the two upright plates 52 is used for the guide beam to pass through. In use, the frame is slidably arranged on the guide beam. The frame and the guide beam are connected by two channel steels arranged in opposite directions. The gap between the two channel steels can be used for the vertical telescopic member 6 to pass through. Preferably, the outer wall of the upright plate 52 is provided with reinforcing ribs 56.

[0058] Preferably, at least two clamping blocks 54 are provided on both sides of the upper surface of the top plate 53 in the horizontal movement direction of the frame connector 5; the clamping blocks 54 and the top plate 53 have a gap sufficient to accommodate the lower edge of the frame. The lower edge of the frame is fastened between the clamping blocks 54 and the top plate 53 by bolts. In actual use, the frame is formed by connecting two channel steels arranged back to back, and the gap between the two channel steels can be used for the vertical telescopic member 6; the lower edge of the channel steel can be pressed between the clamping blocks 54 and the top plate 53, that is, when fixing the frame, bolts are used to pass through the clamping blocks 54 and the lower edge of the channel steel from top to bottom and fix it to the top plate 53. The channel steel has a U-shaped structure. When the two channel steels are arranged back to back, the lower edge of the channel steel specifically refers to the side wall of the channel steel located at the bottom.

[0059] In a preferred embodiment, a limiting toe 2 is connected to the contact base plate 1;

[0060] The limiting toe 2 has a connecting part and a limiting part; the connecting part is used to connect with the contact base plate 1, and two limiting parts are provided, with the two limiting parts located on both sides of the upright post 100. Specifically, the limiting toe 2 is a U-shaped plate, the bottom of the U-shaped plate is installed on the upper end of the contact base plate 1, and the two sides of the U-shaped plate are located on both sides of the upright post 100, such as... Figure 1 As shown, the bottom of the U-shaped plate is bolted to the upper surface of the contact base plate 1, so that the limiting toe 2 will not affect the placement of the contact base plate 1 on the upright.

[0061] In a preferred embodiment, a baffle 3 is provided on the upper surface of the contact base plate 1, and a first sliding groove is formed between the baffle 3 and the connection between the limiting toe 2; the two side walls of the base 4 are slidably disposed in the first sliding groove; that is, slide rails can be provided at the bottom of the U-shaped plate and on the inner side wall of the baffle 3, and the two sides of the base 4 can be slidably disposed in the slide rails.

[0062] The frame outriggers in this embodiment have three degrees of freedom, allowing them to adapt to minute variations in pile spacing. All three degrees of freedom can be adjusted using lead screws or hydraulic cylinders, enabling the outriggers to move in various directions on the beam to accommodate different pile spacings.

[0063] The method for moving the frame legs of the above-mentioned walking device includes the following steps:

[0064] S1. When it is necessary to move the frame, the vertical telescopic component 6 is controlled by the control system to move upward to lift it until the height of the contact with the base plate 1 is higher than the ear plate 101 on the top circular surface of the upright pile 100.

[0065] S2. The control system controls the moving control mechanism to move the frame. When it moves to the designated position, the control system controls the vertical telescopic member 6 to move downward and fall, so that the contact base plate 1 falls on the ear plate 101 side of the top circular surface of the pile 100.

[0066] S3. The control system adjusts the first horizontal telescopic component 7 and / or the second horizontal telescopic component 8 to make fine adjustments to the frame legs in the X and Y directions, so that the frame legs can be stably placed on the top circular surface of the upright pile 100.

[0067] The control system used in this embodiment is existing technology. The control system controls the frame legs to move in order to achieve the movement of the frame.

[0068] The specific embodiments described above further illustrate the purpose, technical solution, and beneficial effects of the present invention. It should be understood that the above description is only a specific embodiment of the present invention and is not intended to limit the scope of protection of the present invention. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the scope of protection of the present invention.

[0069] It should be noted that the structures, proportions, sizes, etc., illustrated in the accompanying drawings are merely for illustrative purposes to aid those skilled in the art and are not intended to limit the scope of the invention. Therefore, they have no substantial technical significance. Any modifications to the structure, changes in proportions, or adjustments to size, without affecting the effectiveness and purpose of the invention, should still fall within the scope of the disclosed technical content. Furthermore, terms such as "upper," "lower," "left," "right," and "middle" used in this specification are merely for clarity and not intended to limit the scope of the invention. Changes or adjustments to their relative relationships, without substantially altering the technical content, should also be considered within the scope of the invention.

Claims

1. A frame support leg for a walking device, characterized in that, It includes a contact base plate (1), a frame connector (5), a vertical telescopic component (6), a first horizontal telescopic component (7), and a second horizontal telescopic component (8); The contact base plate (1) is used to be placed on the upright (100); The first horizontal telescopic component (7) is set on the upper end face of the contact base plate (1) and is used to adjust the X-direction displacement of the frame support legs; The vertical telescopic component (6) is used to adjust the vertical displacement of the contact base plate (1) to realize the raising and lowering of the outrigger; The second horizontal telescopic component (8) is located at the bottom of the frame connector (5) and is used to adjust the Y-direction displacement of the frame support legs; The frame connector (5) includes a base plate (51) and a top plate (53). The base plate (51) and the top plate (53) are connected by a vertical plate (52). The base plate (51) is slidably connected to the vertical telescopic member (6). The top plate (53) is used to connect to the frame, and a guide beam can pass through between the base plate (51) and the top plate (53). The base plate (51) and the top plate (53) are respectively provided with a first through hole and a second through hole (55) for the vertical telescopic member (6) to pass through. The inner diameter of the first through hole and the second through hole (55) is larger than the outer diameter of the vertical telescopic member (6). The contact base plate (1) is connected to a limiting toe (2); the limiting toe (2) has a connecting part and a limiting part; the connecting part is used to connect with the contact base plate (1), and there are two limiting parts, which are placed on both sides of the post. The bottom of the vertical telescopic member (6) is connected to the base (4) via a ball joint (9), and the base (4) is driven to move in the X direction by the first horizontal telescopic member (7).

2. The frame support leg for a walking device according to claim 1, characterized in that, The structure of the second horizontal telescopic member (8) includes a screw drive mechanism, a hydraulic cylinder or a pneumatic cylinder; the structure of the first horizontal telescopic member (7) includes a screw drive mechanism, a hydraulic cylinder or a pneumatic cylinder.

3. The frame support leg for a walking device according to claim 2, characterized in that, The vertical telescopic member (6) adopts a screw drive mechanism. The vertical telescopic member (6) includes a vertical screw (61) and a sleeve (62) set on the vertical screw. A sliding block (63) is provided on the outer wall of the sleeve (62). The sliding block (63) is slidably set at the bottom of the base plate (51). The sliding block (63) is connected to the telescopic end of the second horizontal telescopic member (8).

4. The frame support leg for a walking device according to claim 3, characterized in that, The lower end face of the base plate (51) is provided with a second sliding groove, and the sliding block (63) moves in the Y direction relative to the frame connector (5) in the second sliding groove under the drive of the second horizontal telescopic member (8).

5. The frame support leg for a walking device according to claim 1, characterized in that, At least two clamping blocks (54) are provided on both sides of the upper end surface of the top plate (53) in the horizontal movement direction of the frame connector (5); the clamping blocks (54) and the top plate (53) have a spacing that can accommodate the lower edge of the frame.

6. The frame support leg for a walking device according to claim 5, characterized in that, The lower edge of the frame is fastened between the clamping block (54) and the top plate (53) by bolts.

7. The frame support leg for a walking device according to claim 1, characterized in that, The outer wall of the upright plate (52) is provided with reinforcing ribs (56).

8. A method for moving the frame legs of a walking device according to any one of claims 1-7, characterized in that, Includes the following steps: S1. When it is necessary to move the frame, the vertical telescopic component (6) is controlled by the control system to move upward to lift it until the height of the contact plate (1) is higher than the ear plate (101) on the top circular surface of the upright (100). S2. The control system controls the movement control mechanism to move the frame. When it moves to the designated position, the control system controls the vertical telescopic component (6) to move downward and fall, so that the contact plate (1) falls on the ear plate (101) side of the top circular surface of the pile (100). S3. The control system adjusts the first horizontal telescopic component (7) and / or the second horizontal telescopic component (8) to make fine adjustments to the frame legs in the X and Y directions, so that the frame legs can be placed stably on the top circular surface of the upright pile (100).

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