Self-adaptive splicing platform

By designing an adaptive assembly platform and utilizing adjustable supports and plates, the problem of the narrow applicability of existing assembly equipment is solved, enabling precise assembly of mixed tower sections of different diameters and improving assembly efficiency and accuracy.

CN122033602APending Publication Date: 2026-05-15ZHEJIANG HUADONG XINNENG TECH CO LTD
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Patent Information

Application Number
CN202610229616.9
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2026-02-26
Publication Date
2026-05-15

AI Technical Summary

Technical Problem

Existing assembly equipment can usually only assemble mixed tower sections of a set diameter, which limits its applicability.

Method used

An adaptive assembly platform was designed. By setting multiple adjustable supports and support plates on the guide rail bracket, the position of the positioning pin can be adjusted according to the actual diameter of the mixed tower section, so as to achieve precise assembly of mixed tower sections of different diameters.

Benefits of technology

The same assembly platform can assist in assembling mixed tower sections of different diameters, which improves the applicability and accuracy of the assembly, reduces human error, and improves assembly efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The self-adaptive splicing platform comprises second buttress bases and a plurality of first buttress bases, the second buttress bases and the first buttress bases are arranged around a first circle center in the circumferential direction at intervals, each first buttress base is provided with a first supporting plate capable of sliding in the radial direction, and each first supporting plate is provided with a first positioning pin used for being inserted into a reserved positioning hole of a first semi-mixed tower segment; the second buttress base and the centered first buttress base are arranged at an interval of 180 degrees in the circumferential direction, and the second buttress base is provided with a second supporting plate capable of sliding in the radial direction; a third buttress base is arranged on one side of the second buttress base in the width direction of the second buttress base in parallel, can slide close to or away from the second buttress base and is provided with a third supporting plate capable of sliding in the arrangement direction of the third buttress base. And the second supporting plate and the third supporting plate are provided with a second positioning pin and a third positioning pin which are used for being inserted into reserved positioning holes of the second half mixed tower segment correspondingly. According to the mixed tower segment assembling platform, mixed tower segments with different diameters can be obtained through auxiliary assembling only through the same assembling platform.
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Description

Technical Field

[0001] This invention relates to the field of wind power concrete tower production technology, specifically to an adaptive assembly platform. Background Technology

[0002] Concrete tower sections for wind turbines (also known as concrete tower sections) are an important component of wind turbine generators. They are primarily responsible for supporting the structure of the wind turbine generator to ensure the stability of the entire system. They have advantages such as good structural stability, high rigidity, and few transportation restrictions. Due to the high rigidity and strength of concrete itself, concrete tower sections are particularly suitable for scenarios that need to withstand strong wind loads, thereby ensuring the safe operation of the wind turbine generator.

[0003] Wind turbine towers are typically very tall, some even reaching 200 meters. To facilitate assembly, the tower section is usually manufactured in two semi-circular sections. During assembly, adhesive is first applied to the contact surface of one of the semi-circular sections, and then the two semi-circular sections are brought close together using assembly equipment. Traditional assembly equipment usually has positioning pins at pre-drilled locations at the bottom of the corresponding semi-circular sections on two assembly platforms. This ensures that the two semi-circular sections of the tower section are precisely supported on the two platforms before being moved horizontally to complete the assembly. However, this type of assembly equipment can generally only assemble tower sections of a set diameter, limiting its applicability. Summary of the Invention

[0004] This invention provides an adaptive assembly platform, which solves the technical problem that existing assembly equipment can usually only assemble mixed tower sections of a set diameter, resulting in a narrow range of applications.

[0005] This invention provides an adaptive assembly platform for assisting in the assembly of hybrid tower sections, wherein the hybrid tower section includes a first half-hybrid tower segment and a second half-hybrid tower segment, and the adaptive assembly platform includes: Two guide rail supports are set at 180° intervals around the first circle center with the vertical direction as the axis of rotation. The first support adjustment mechanism is disposed on the first side of the guide rail bracket in the width direction of the guide rail bracket. The first support adjustment mechanism includes a plurality of first support bases arranged at intervals around the first center. The first support base has a first support plate that can slide in the radial direction. The first support plate is used to support the first semi-mixed tower tube segment and has a first positioning pin for insertion into the reserved positioning hole of the first semi-mixed tower tube segment. The second support is disposed on the second side of the guide rail bracket in the width direction of the guide rail bracket. The second support is arranged around the first center at a circumferential interval of 90° from the guide rail bracket. The second support has a second support plate that can slide radially. The second support plate is used to support the second semi-mixed tower tube segment and has a second positioning pin for insertion into the reserved positioning hole of the second semi-mixed tower tube segment. The third support is disposed on the second side of the guide rail bracket and arranged parallel to the second support. The third support can slide relative to the second support in the width direction of the second support. The third support has a third support plate that can slide in the arrangement direction of the third support. The third support plate is used to support the second semi-mixed tower segment and has a third positioning pin for insertion into the reserved positioning hole of the second semi-mixed tower segment.

[0006] An adaptive assembly platform according to the present invention has at least the following beneficial effects: A plurality of first supports are arranged circumferentially around a first center on the first side of the guide rail bracket. Each first support has a first support plate that moves radially toward or away from the first center. A second support is arranged circumferentially around the first center on the second side of the guide rail bracket at a 90° interval from the guide rail bracket. The second support extends radially and has a second support plate that moves radially toward or away from the first center. A third support is arranged parallel to the second support on the second side of the guide rail bracket. The third support can move toward or away from the second support in the width direction of the second support. The support base is movable and has a third support plate that can slide in the direction of the third support base arrangement; during the process of assisted assembly to obtain the hybrid tower section, according to the actual diameter of the circular arrangement outline of the reserved positioning holes at the bottom of the first semi-hybrid tower segment, the first support plate of the first support base is adjusted to move radially closer to or further away from the first center until the circular arrangement outline of each first positioning pin matches the circular arrangement outline of the reserved positioning holes at the bottom of the first semi-hybrid tower segment, so that each first positioning pin is aligned with each reserved positioning hole at the bottom of the first semi-hybrid tower segment, so as to align the reserved positioning holes at the bottom of the first semi-hybrid tower segment. The positioning pin is inserted into the corresponding first positioning pin through the reserved positioning hole and placed precisely and stably on the first support plate. Then, based on the actual diameter of the circular arrangement of the reserved positioning holes at the bottom of the second semi-mixed tower segment, the second support plate of the second support pier is adjusted to move radially closer to or further away from the first center, and the third support plate is adjusted to move closer to or further away from the second support pier along with the third support pier. The third support plate is also adjusted to slide in the arrangement direction of the third support pier until the circular arrangement of the second and third positioning pins matches the circular arrangement of the reserved positioning holes at the bottom of the second semi-mixed tower segment, thus ensuring the first... The second and third positioning pins are aligned with the pre-drilled positioning holes at the bottom of the second semi-mixed tower segment, respectively, so that the pre-drilled positioning holes at the bottom of the second semi-mixed tower segment can be inserted into the corresponding second and third positioning pins, and placed accurately and stably on the second and third support plates. Finally, the second and third support plates are controlled to move synchronously towards the first center in the direction of the third support, so that the splicing end faces of the first and second semi-mixed tower segments abut against each other for assembly. This allows for the assembly of mixed tower sections of different diameters with only one assembly platform, making it widely applicable.

[0007] In one optional embodiment, two third piers are provided, and the two third piers are arranged opposite to each other on both sides of the second pier in the width direction of the second pier.

[0008] In one optional embodiment, the guide rail bracket is provided with a rack extending in the width direction of the second support; the third support is rotatably provided with a gear at one end facing the corresponding guide rail bracket, the gear meshing with the rack and being driven to rotate by an adjusting motor; the third support is provided with a movable wheel at one end away from the corresponding guide rail bracket.

[0009] In one alternative embodiment, a ladder for applying adhesive is provided on one side of each of the two third support piers facing each other. The ladder is located at one end of the third support pier facing the corresponding guide rail bracket and is used to be arranged inside the tower section.

[0010] In one alternative embodiment, a first driving assembly is provided between the first support base and the first support plate, the first driving assembly being used to drive the first support plate to slide radially.

[0011] In one alternative embodiment, a second driving assembly is provided between the second support base and the second support plate, the second driving assembly being used to drive the second support plate to slide radially.

[0012] In one optional embodiment, a third driving assembly is provided between the third support base and the third support plate, the third driving assembly being used to drive the third support plate to slide in the arrangement direction of the third support base.

[0013] In one optional embodiment, a first mounting groove is formed at the top of the first support base, and the first mounting groove extends radially; the first drive assembly includes: The first lead screw is rotatably disposed in the first mounting groove and extends radially; The first motor has its output end connected to the first lead screw and is used to drive the first lead screw to rotate. The first nut seat is disposed on the first lead screw and is slidably disposed on the first support seat in the radial direction; The first support plate is connected to the first nut seat.

[0014] In one optional embodiment, a second mounting groove is provided at the top of the second support base, and the second mounting groove extends radially; the second drive assembly includes: The second lead screw is rotatably disposed in the second mounting groove and extends radially; The second motor has its output end connected to the second lead screw and is used to drive the second lead screw to rotate. The second nut seat is disposed on the second lead screw and is slidably disposed on the second support seat in the radial direction; The second support plate is connected to the second nut seat.

[0015] In one optional embodiment, a third mounting groove is provided at the top of the third support, and the third mounting groove extends in the arrangement direction of the third support; the third driving assembly includes: The third lead screw is rotatably mounted in the third mounting groove and extends in the direction of the third support seat arrangement. The third motor has its output end connected to the third lead screw and is used to drive the third lead screw to rotate. The third nut seat is disposed on the third lead screw and is slidably disposed on the third support seat in the direction of the third support seat arrangement; The third support plate is connected to the third nut seat.

[0016] In one optional embodiment, it further includes an annular positioning track for support on the ground, the center of the annular positioning track being configured as the first center; the annular positioning track is provided with a first connecting rod corresponding to the position of the first support, one end of the first support is supported on the ground in the radial direction, and the other end is slidably disposed on the first connecting rod in the vertical direction, and is raised and lowered and leveled by a first adjusting component.

[0017] In one optional embodiment, the annular positioning track is provided with a second connecting rod corresponding to the position of the second support base. One end of the second support base is supported on the ground in the radial direction, and the other end is slidably disposed on the second connecting rod in the vertical direction, and is raised and lowered and leveled by the second adjusting component.

[0018] In one optional embodiment, the annular positioning track is provided with a third connecting rod corresponding to the position of the guide rail bracket. One end of the guide rail bracket is supported on the ground in the width direction of the second support base, and the other end is slidably disposed on the third connecting rod in the vertical direction, and is raised and lowered and leveled by a fourth adjusting component.

[0019] In one alternative embodiment, the first support is supported on the ground by a first adjustable support, which is used to raise, lower, and level the first support.

[0020] In one optional embodiment, the outer peripheral surface of the first connecting rod is provided with a first external thread, and the first adjusting assembly includes two first nuts that are threadedly connected to the first external thread, one of which abuts against the top surface of the first support, and the other of which abuts against the bottom surface of the first support. Attached Figure Description

[0021] To more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present invention. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0022] Figure 1 This is a three-dimensional structural diagram of an embodiment of the present invention in which a first semi-mixing tower tube sheet is placed; Figure 2 This is a top view of an embodiment of the present invention, showing the placement of a first semi-mixing tower tube sheet and a second semi-mixing tower tube sheet. Figure 3 This is a three-dimensional structural diagram of the first support pier in an embodiment of the present invention; Figure 4 This is a top view of the first support pier in an embodiment of the present invention. Figure 5 This is a cross-sectional front view of the first support in an embodiment of the present invention; Figure 6 This is a three-dimensional structural diagram of the assembly of the third support pier, guide rail bracket, and climbing adhesive ladder in an embodiment of the present invention. Figure 7 for Figure 6 A schematic diagram of the side view structure; Figure 8 for Figure 6 A cross-sectional view of the structure from another perspective; Figure 9 This is a three-dimensional structural diagram of the second support pier in an embodiment of the present invention; Figure 10 This is a top view of the second support pier in an embodiment of the present invention; Figure 11 This is a cross-sectional front view of the second support pier in an embodiment of the present invention; Figure 12 This is a three-dimensional structural diagram of the circular positioning track in an embodiment of the present invention.

[0023] Explanation of reference numerals in the attached figures: 110 - First half-mixing tower segment, 111 - Splicing end face, 120 - Second half-mixing tower segment; 200-Guide rail bracket, 210-Rack, 220-Third connecting lug, 230-Third nut, 240-Fourth adjusting support; 310-First support base, 311-First mounting groove, 312-First adjusting support base, 313-First connecting lug, 320-First support plate, 330-First positioning pin, 341-First lead screw, 342-First motor, 343-First nut seat, 350-First nut; 410-Second support base, 411-Second mounting groove, 412-Second connecting lug, 413-Second adjusting support base, 420-Second support plate, 430-Second positioning pin, 441-Second lead screw, 442-Second motor, 443-Third nut seat, 450-Second nut; 510-Third support pier, 511-Third mounting slot, 512-Third adjusting support, 520-Third support plate, 530-Third positioning pin, 541-Gear, 542-Adjusting motor, 550-Swivel wheel, 560-Ladder for applying adhesive, 571-Third lead screw, 572-Third motor, 573-Third nut seat; 600 - Circular positioning track, 610 - First connecting rod, 620 - Second connecting rod, 630 - Third connecting rod. Detailed Implementation

[0024] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0025] In the description of this embodiment, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this embodiment and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this embodiment. In addition, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0026] In the description of this embodiment, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this embodiment according to the specific circumstances.

[0027] The following is combined with Figures 1 to 12 The following describes embodiments of the present invention.

[0028] According to an embodiment of the present invention, an adaptive assembly platform is provided for assisting in the assembly of hybrid tower sections. The hybrid tower section is formed by assembling a first semi-hybrid tower segment 110 and a second semi-hybrid tower segment 120. The adaptive assembly platform includes two guide rail supports 200, which are arranged circumferentially at 180° intervals around a first center with the vertical direction as the axis of rotation. A first support adjustment mechanism is provided on a first side of the guide rail support 200 in the width direction. The first support adjustment mechanism includes multiple first support bases 310 arranged at equal intervals around the first center. The top of each first support base 310 has a first support plate 320 that can slide radially. The first support plate 320 supports the first semi-hybrid tower segment 110 and has a first positioning pin 330 for insertion into a pre-reserved positioning hole in the first semi-hybrid tower segment 110. A second support base 410 is provided on a second side of the guide rail support 200 in the width direction. The second support base 410 rotates around the first center. A circle is arranged at a circumferential interval of 90° from the guide rail bracket 200; the top of the second support pier 410 has a second support plate 420 that can slide radially, the second support plate 420 is used to support the second semi-mixed tower segment 120, and has a second positioning pin 430 for insertion into a reserved positioning hole of the second semi-mixed tower segment 120; a third support pier 510 is provided on the second side of the guide rail bracket 200, the third support pier 510 is arranged parallel to the second support pier 410, the third support pier 51... 0 is located on one side of the second support 410 in the width direction of the second support 410. The third support 510 can slide relative to the second support 410 in the width direction of the second support 410. The top of the third support 510 has a third support plate 520 that can slide in the arrangement direction of the third support 510. The third support plate 520 is used to support the second semi-mixed tower segment 120 and has a third positioning pin 530 for insertion into the reserved positioning hole of the second semi-mixed tower segment 120.

[0029] In this embodiment, the adaptive assembly platform has multiple first support bases 310 arranged circumferentially around a first center on the first side of the guide rail bracket 200. Each first support base 310 has a first support plate 320 that moves radially closer to or away from the first center. A second support base 410 is arranged circumferentially around the first center on the second side of the guide rail bracket 200 at a 90° interval from the guide rail bracket 200. The second support base 410 extends radially and has a second support plate 420 that moves radially closer to or away from the first center. A third support base 510 is arranged parallel to the second support base 410 on the second side of the guide rail bracket 200. The third support base 510 can be positioned relative to the second support base 410. The first support plate 320 of the first support 310 moves closer to or further away from the second support 410 in the width direction and has a third support plate 520 that can slide in the arrangement direction of the third support 510; during the process of assisted assembly to obtain the hybrid tower section, the first support plate 320 of the first support 310 is adjusted to move closer to or further away from the first center in the radial direction according to the actual diameter of the circular arrangement outline of the reserved positioning holes at the bottom of the first semi-hybrid tower section 110, until the circular arrangement outline of each first positioning pin 330 matches the circular arrangement outline of the reserved positioning holes at the bottom of the first semi-hybrid tower section 110, so that each first positioning pin 330 is aligned with each reserved positioning hole at the bottom of the first semi-hybrid tower section 110, so as to align the bottom of the first semi-hybrid tower section 110. The pre-drilled positioning holes of the second semi-mixed tower segment 120 are inserted into the corresponding first positioning pins 330 and placed precisely and stably on the first support plate 320. Then, based on the actual diameter of the circular arrangement of the pre-drilled positioning holes at the bottom of the second semi-mixed tower segment 120, the second support plate 420 of the second support pier 410 is adjusted to move radially closer to or further away from the first center, and the third support plate 520 is adjusted to move closer to or further away from the second support pier 410 along with the third support pier 510, and the third support plate 520 is adjusted to slide in the arrangement direction of the third support pier 510, until the circular arrangement of the second positioning pins 430 and 530 matches the circular arrangement of the pre-drilled positioning holes at the bottom of the second semi-mixed tower segment 120, so that the first... The second positioning pin 430 and the third positioning pin 530 are respectively aligned with the reserved positioning holes at the bottom of the second semi-mixed tower segment 120, so that the reserved positioning holes at the bottom of the second semi-mixed tower segment 120 can be inserted into the corresponding second positioning pin 430 and third positioning pin 530, and placed accurately and stably on the second support plate 420 and the third support plate 520; finally, the second support plate 420 and the third support plate 520 are controlled to move synchronously towards the first center in the direction of the third support pier 510, so that the splicing end faces 111 of the first semi-mixed tower segment 110 and the second semi-mixed tower segment 120 abut against each other for assembly, so that different diameter mixed tower sections can be assembled with the assistance of only one assembly platform, which has a wide range of applications.

[0030] It should be noted that the center of the circular arrangement outline of each first positioning pin 330 coincides with the first center, the circular arrangement outline of the reserved positioning hole at the bottom of the first semi-mixing tower tube 110 coincides with the center of the first semi-mixing tower tube 110, and the center of the first semi-mixing tower tube 110 coincides with the first center.

[0031] It should be noted that the center of the circular arrangement of the second positioning pin 430 and the third positioning pin 530 coincides with the center of the first circle, the circular arrangement of the reserved positioning hole at the bottom of the second semi-mixing tower tube 120 coincides with the center of the second semi-mixing tower tube 120, and the center of the second semi-mixing tower tube 120 coincides with the center of the first circle.

[0032] It should be noted that the cross-sectional shape of the first semi-mixing tower segment 110 and the second semi-mixing tower segment 120 perpendicular to the vertical direction is semi-circular.

[0033] In a specific application, the center of the hybrid tower section assembled in this embodiment coincides with the first center.

[0034] It should be noted that the width direction of the guide rail support 200 is the same as the arrangement direction of the third support pier 510. The width direction of the guide rail support 200 refers to the direction in which the first half-mixed tower segment 110 and the second half-mixed tower segment 120 are brought close to each other and spliced ​​together to form a mixed tower section.

[0035] It should be noted that when the splicing end faces 111 of the first semi-mixing tower tube segment 110 and the second semi-mixing tower tube segment 120 abut against each other during assembly, the splicing point of the first semi-mixing tower tube segment 110 and the second semi-mixing tower tube segment 120 is located directly above the guide rail bracket 200; that is, after the first semi-mixing tower tube segment 110 is placed on the first support adjustment mechanism, the splicing end face 111 of the first semi-mixing tower tube segment 110 is located directly above the guide rail bracket 200.

[0036] It should be noted that for mixing tower sections of the same diameter, the diameter of the circular arrangement outline of the reserved positioning holes at the bottom of the first half-mixing tower tube segment 110 is the same, and the diameter of the circular arrangement outline of the reserved positioning holes at the bottom of the second half-mixing tower tube segment 120 is the same; for mixing tower sections of different diameters, the diameter of the circular arrangement outline of the reserved positioning holes at the bottom of the first half-mixing tower tube segment 110 is different, and the interval angle between the reserved positioning holes at the bottom of two adjacent first half-mixing tower tube segments 110 remains unchanged, and the diameter of the circular arrangement outline of the reserved positioning holes at the bottom of the second half-mixing tower tube segment 120 is different, and the interval angle between the reserved positioning holes at the bottom of two adjacent second half-mixing tower tube segments 120 remains unchanged.

[0037] It should be noted that, compared to the related technologies that involve "manually adjusting the positioning pins of the assembly platform to correspond with the pre-drilled holes on the bottom surface of the pipe segment, then using a crane to first horizontally approach and position one pipe segment before vertically lowering it; applying adhesive after the pipe segment is in place, and then using a crane to lift another pipe segment horizontally and position it behind before lowering it, to avoid the assembly surface of the later-lifted pipe segment completely squeezing out the structural adhesive; all pipe segment lifting and movement need to be completed by a crane," the manual control of the crane to assemble the pipe segments is difficult to guarantee accuracy, and the docking process requires repeated confirmation; this embodiment uses the platform's built-in second and third drive components to automatically move the second semi-mixed tower pipe segment 120. The automatic movement method can eliminate errors caused by human error, the assembly accuracy is controlled by the tooling and the pipe segment accuracy, and the crane usage time can be greatly shortened, improving assembly accuracy and efficiency.

[0038] It is understandable that the bottom of the first semi-mixing tower tube segment 110 is provided with multiple reserved positioning holes at intervals along the circumference, that is, the arrangement outline of the multiple reserved positioning holes at the bottom of the first semi-mixing tower tube segment 110 is the circular arrangement outline of the reserved positioning holes at the bottom of the first semi-mixing tower tube segment 110; the bottom of the second semi-mixing tower tube segment 120 is provided with multiple reserved positioning holes at intervals along the circumference, that is, the arrangement outline of the multiple reserved positioning holes at the bottom of the second semi-mixing tower tube segment 120 is the circular arrangement outline of the reserved positioning holes at the bottom of the second semi-mixing tower tube segment 120.

[0039] It is understandable that the second locating pin 430 and the third locating pin 530 are locating pins of the same size.

[0040] It is understandable that the first side and the second side of the guide rail bracket 200 are the two sides of the guide rail bracket 200 in the width direction.

[0041] In specific applications, such as Figure 1 and Figure 2 As shown, three first support piers 310 are provided. The first support pier 310 located in the middle is parallel to the second support pier 410. The circumferential spacing angle between two adjacent first support piers 310 is greater than the circumferential spacing angle between the guide rail bracket 200 and the nearest first support pier 310, which is beneficial to improving the load-bearing stability of the first semi-mixed tower segment 110. Of course, this is only an example of the number of first support piers 310, and there is no limitation on its specific number. For example, in other embodiments, the first support adjustment mechanism may include two, four, or five other numbers of first support piers 310.

[0042] like Figure 1 and Figure 2As shown, in some embodiments, two third support bases 510 are provided, and the two third support bases 510 are arranged opposite to the second support base 410 on both sides of the second support base 410 in the width direction; the two third support plates 520 respectively provide support for the two parts of the second semi-mixed tower tube segment 120 located on the second support base 410 in the width direction of the second support base 410, so as to ensure that the second semi-mixed tower tube segment 120 is smoothly moved closer to the first center in the arrangement direction of the third support base 510, thereby reducing the assembly error during the process of moving the second semi-mixed tower tube segment 120 closer to the first semi-mixed tower tube segment 110.

[0043] like Figure 1 , Figure 6 , Figure 7 and Figure 8 As shown, in some embodiments, a rack 210 is provided on the guide rail bracket 200, and the rack 210 extends in the width direction of the second support 410; a gear 541 is rotatably provided on the third support 510 facing the end of the corresponding guide rail bracket 200, the gear 541 meshes with the rack 210 and is driven to rotate by the adjusting motor 542; a movable wheel 550 is provided on the end of the third support 510 away from the corresponding guide rail bracket 200. One end of the third support base 510 is smoothly supported and rolled on the ground by the movable wheel 550, and the other end of the third support base 510 is engaged with the rack 210 by the gear 541 driven by the adjusting motor 542. When it is necessary to adjust the position of the third support plate 520 and the third positioning pin 530 in the width direction of the second support base 410, it is only necessary to start the adjusting motor 542 to drive the gear 541 to rotate forward or reverse, so that the third support base 510 can be moved smoothly in the width direction of the second support base 410, thereby accurately adjusting the third support plate 520 and the third positioning pin 530 to the set position in the width direction of the second support base 410 steplessly.

[0044] Specifically, one end of the third pier 510 facing the corresponding guide rail bracket 200 is slidably disposed on the corresponding guide rail bracket 200 in the width direction of the second pier 410, which helps to improve the stability of the movement of the third pier 510 in the width direction of the second pier 410.

[0045] Specifically, the guide rail bracket 200 is configured as an H-beam.

[0046] like Figure 1 , Figure 2 and Figure 6As shown, in some embodiments, a ladder 560 for applying adhesive is provided on one side of the two third support bases 510 facing each other. The ladder 560 is located at one end of the third support base 510 facing the corresponding guide rail bracket 200 and is used to be arranged inside the mixed tower section. To ensure the tightness of the assembly of the hybrid tower sections, splicing adhesive needs to be applied to the splicing end face 111 of the first half-hybrid tower segment 110. During assembly, the two splicing end faces 111 of the first half-hybrid tower segment 110 are respectively located directly above the two guide rail supports 200. In this embodiment, a ladder 560 for applying adhesive is fixedly connected to one end of the third support 510 facing the corresponding guide rail support 200. This ensures that the distance between the ladder 560 and the third support plate 520 in the width direction of the second support 410 remains constant, and that the distance between the ladder 560 and the corresponding guide rail support 200 in the arrangement direction of the third support 510 remains constant. Therefore, regardless of the diameter of the hybrid tower section being assisted in assembly, the splicing end face 111 of the first half-hybrid tower segment 110 placed on the first support adjustment mechanism can be guaranteed. With the spacing between the climbing and applying adhesive ladder 560 in the width direction of the second support 410 and in the arrangement direction of the third support 510 remaining unchanged, it is possible to achieve the following without changing the relative position of the climbing and applying adhesive ladder 560 and the third support 510: when the second support plate 420 and the third support plate 520 move synchronously towards the first center in the arrangement direction of the third support 510 until they stop at a position where the splicing end faces 111 of the first semi-mixed tower segment 110 and the second semi-mixed tower segment 120 are not in contact with each other (i.e., at this time, the first semi-mixed tower segment 110 and the second semi-mixed tower segment 120 have a reserved adhesive application space distance in the arrangement direction of the third support 510), the operator can climb the two climbing and applying adhesive ladders 560 respectively to the two splicing end faces 111 of the first semi-mixed tower segment 110 with different diameters, thus making it more adaptable.

[0047] It should be noted that, regardless of the diameter of the first semi-mixed tower segment 110 placed on the first support adjustment mechanism, the splicing end face 111 of the first semi-mixed tower segment 110 is located directly above the corresponding guide rail bracket 200, and the distance between the splicing end face 111 of the first semi-mixed tower segment 110 and the center of the guide rail bracket 200 remains unchanged in the direction of the arrangement of the third support pier 510; so that splicing adhesive can be applied to the two splicing end faces 111 of the first semi-mixed tower segment 110 of different diameters without changing the relative position of the climbing adhesive application ladder 560 and the third support pier 510.

[0048] Understandably, before applying splicing adhesive to the two splicing end faces 111 of the first semi-mixed tower segment 110, the second support plate 420 and the third support plate 520 are controlled to move synchronously towards the first center in the direction of the third support 510 until the first semi-mixed tower segment 110 and the second semi-mixed tower segment 120 abut against each other to ensure assembly accuracy. Then, the second support plate 420 and the third support plate 520 are controlled to move synchronously away from the first center in the direction of the third support 510 until a space for applying adhesive is reserved between the first semi-mixed tower segment 110 and the second semi-mixed tower segment 120 in the direction of the third support 510. This allows the splicing adhesive to be applied only after ensuring assembly accuracy.

[0049] In some embodiments, a first driving assembly is provided between the first support base 310 and the first support plate 320. The first driving assembly is used to drive the first support plate 320 to slide radially. The positions of the first support plate 320 and the first positioning pin 330 can be steplessly adjusted by the first driving assembly, which can assist in assembling mixed tower sections of different diameters.

[0050] like Figures 2 to 5 As shown, specifically, the top of the first support 310 is provided with a first mounting groove 311, which extends radially; the first drive assembly includes a first lead screw 341, a first motor 342, and a first nut seat 343. The first lead screw 341 is rotatably disposed in the first mounting groove 311 and extends radially; the output end of the first motor 342 is connected to the first lead screw 341 and is used to drive the first lead screw 341 to rotate; the first nut seat 343 is disposed on the first lead screw 341 and is slidably disposed on the first support 310 radially; the first support plate 320 is connected to the first nut seat 343. By rotating the first lead screw 341 around the first support base 310 as its rotation axis in the first mounting groove 311, and sliding the first nut seat 343 on the first support base 310, the first support plate 320 and the first positioning pin 330 can be infinitely adjusted radially towards or away from the first center as the first nut seat 343 moves with the first motor 342 driving the first lead screw 341 to rotate forward or backward, thus satisfying the auxiliary assembly of mixed tower sections of different diameters.

[0051] In another alternative embodiment, the first motor 342 is replaced by a first handwheel, and the first lead screw 341 extends radially away from the first center to the outside of the first support 310 and is connected to the first handwheel; so that the first lead screw 341 can be driven to rotate even in an environment where there is no power.

[0052] Specifically, the top surface of the first support base 310 is provided with a first positioning scale line so as to intuitively observe the position of the first support plate 320.

[0053] In some embodiments, a second driving assembly is provided between the second support base 410 and the second support plate 420. The second driving assembly is used to drive the second support plate 420 to slide radially. The position of the second support plate 420 and the second positioning pin 430 can be steplessly adjusted by the second driving assembly, which can assist in assembling mixed tower sections of different diameters.

[0054] like Figure 2 as well as Figures 9 to 11 As shown, specifically, the top of the second support 410 is provided with a second mounting groove 411, which extends radially; the second drive assembly includes a second lead screw 441, a second motor 442, and a second nut seat 443. The second lead screw 441 is rotatably disposed in the second mounting groove 411 and extends radially; the output end of the second motor 442 is connected to the second lead screw 441 and is used to drive the second lead screw 441 to rotate; the second nut seat 443 is disposed on the second lead screw 441 and is slidably disposed on the second support 410 radially; the second support plate 420 is connected to the second nut seat 443. By rotating the second lead screw 441 around the second support base 410 as the axis of rotation and slidably mounting the second nut seat 443 onto the second support base 410, the second support plate 420 and the second positioning pin 430 can be infinitely adjusted radially towards or away from the first center as the second nut seat 443 moves with the second nut seat 443 during the forward or reverse rotation of the second lead screw 441 driven by the second motor 442, thus satisfying the auxiliary assembly of mixed tower sections of different diameters.

[0055] Meanwhile, compared to manually driving the second lead screw 441 to rotate, this embodiment uses the second motor 442 to automatically drive the second lead screw 441 to rotate, which is more conducive to smoothly moving the second semi-mixed tower segment 120 placed on the second support plate 420 and the third support plate 520 closer to the first semi-mixed tower segment 110 in the direction of the third support 510 arrangement to the assembly position, ensuring assembly accuracy.

[0056] Specifically, the top surface of the second support base 410 is provided with a second positioning scale line so as to intuitively observe the position of the second support plate 420.

[0057] In some embodiments, a third driving assembly is provided between the third support base 510 and the third support plate 520. The third driving assembly is used to drive the third support plate 520 to slide in the arrangement direction of the third support base 510. The positions of the third support plate 520 and the third positioning pin 530 can be steplessly adjusted by the third driving assembly, which can assist in assembling mixed tower sections of different diameters.

[0058] like Figure 2 , Figure 6 and Figure 8As shown, specifically, the top of the third support pier 510 is provided with a third mounting groove 511, which extends in the arrangement direction of the third support pier 510; the third drive assembly includes a third lead screw 571, a third motor 572, and a third nut seat 573. The third lead screw 571 is rotatably disposed in the third mounting groove 511 and extends in the arrangement direction of the third support pier 510; the output end of the third motor 572 is connected to the third lead screw 571 and is used to drive the third lead screw 571 to rotate; the third nut seat 573 is disposed on the third lead screw 571 and is slidably disposed on the third support pier 510 in the arrangement direction of the third support pier 510; the third support plate 520 is connected to the third nut seat 573. By rotating the third lead screw 571 around the arrangement direction of the third support 510 as the axis of rotation in the third mounting groove 511, and sliding the third nut seat 573 on the third support 510, the third support plate 520 and the third positioning pin 530 can be infinitely adjusted radially towards or away from the first center as the third nut seat 573 moves with the third motor 572 driving the third lead screw 571 to rotate forward or backward, thus satisfying the auxiliary assembly of mixed tower sections of different diameters.

[0059] Meanwhile, compared to manually driving the third lead screw 571 to rotate, this embodiment uses the third motor 572 to automatically drive the third lead screw 571 to rotate, which is more conducive to smoothly moving the second semi-mixed tower segment 120 placed on the third support plate 520 and the third support plate 520 closer to the first semi-mixed tower segment 110 in the direction of the third support base 510 to the assembly position, ensuring assembly accuracy.

[0060] Specifically, the top surface of the third support pier 510 is provided with a third positioning scale line so as to intuitively observe the position of the third support plate 520.

[0061] like Figure 8 As shown, specifically, the third motor 572 is located at the end of the third lead screw 571 facing the adjusting motor 542, which shortens the distance between the third motor 572 and the adjusting motor 542, making the layout more reasonable, so that the wiring can be used to electrically connect the third motor 572 and the adjusting motor 542 for power supply.

[0062] like Figures 1 to 3 as well as Figure 12As shown, in some embodiments, the adaptive bottling platform further includes an annular positioning track 600 for support on the ground. The annular positioning track 600 is arranged parallel to the ground, and its center is configured as a first center. A first connecting rod 610 is provided on the annular positioning track 600 corresponding to the position of the first support 310. One end of the first support 310 is supported on the ground in the radial direction, and the other end is slidably disposed on the first connecting rod 610 in the vertical direction, and is raised and lowered and leveled by a first adjusting component. With this configuration, the end of the first support 310 connected to the first connecting rod 610 can be raised and lowered by the first adjusting component, so that the top surface of the first support 310 is parallel to the annular positioning track 600, ensuring the parallelism of the top surface of the first support 310, thereby ensuring the assembly quality.

[0063] To ensure the tightness of the connection between the first support 310 and the circular positioning track 600, such as Figure 3 , Figure 4 and Figure 12 As shown, specifically, the circular positioning track 600 is provided with two first connecting rods 610 corresponding to a first support 310.

[0064] like Figure 3 and Figure 4 As shown, specifically, the first support 310 is provided with a first connecting lug 313 corresponding to the position of the first connecting rod 610. The first connecting lug 313 has a first through hole through which the first connecting rod 610 can move. The outer circumferential surface of the first connecting rod 610 is provided with a first external thread. The first adjusting assembly includes two first nuts 350 that are threadedly connected to the first external thread. One first nut 350 abuts against the top surface of the first connecting lug 313, and the other first nut 350 abuts against the bottom surface of the first connecting lug 313. When it is necessary to adjust the end of the first support 310 connected to the first connecting rod 610 to rise, the upper first nut 350 is first rotated and raised to the set position, and then the lower first nut 350 is rotated and raised to the set position. When it is necessary to adjust the end of the first support 310 connected to the first connecting rod 610 to fall, the lower first nut 350 is first rotated and lowered to the set position, and then the upper first nut 350 is rotated and raised to the set position.

[0065] To further improve the parallelism of the top surface of the first support 310, such as Figures 1 to 3 As shown, specifically, the first pier 310 is supported on the ground by the first adjusting support 312, which is used to raise, lower and level the first pier 310.

[0066] like Figure 1 , Figure 2 , Figure 9 and Figure 12 As shown, in some embodiments, a second connecting rod 620 is provided at the position of the annular positioning track 600 corresponding to the position of the second support 410. One end of the second support 410 is supported on the ground in the radial direction, and the other end is slidably disposed on the second connecting rod 620 in the vertical direction, and is raised and lowered and leveled by the second adjusting component. With this arrangement, the end of the second support 410 connected to the second connecting rod 620 can be raised and lowered by the second adjusting component, so that the top surface of the second support 410 is parallel to the annular positioning track 600, thereby ensuring that the parallelism of the top surface of the first support 310 and the top surface of the second support 410 is basically consistent, thus ensuring the assembly quality.

[0067] To ensure the tightness of the connection between the second support 410 and the circular positioning track 600, such as Figure 9 , Figure 10 and Figure 12 As shown, specifically, the circular positioning track 600 is provided with two second connecting rods 620 corresponding to a second support 410.

[0068] like Figure 9 and Figure 10 As shown, specifically, the second support 410 is provided with a second connecting lug 412 corresponding to the position of the second connecting rod 620. The second connecting lug 412 has a second through hole through which the second connecting rod 620 can move. The outer circumferential surface of the second connecting rod 620 is provided with a second external thread. The second adjustment assembly includes two second nuts 450 that are threadedly connected to the second external thread. One second nut 450 abuts against the top surface of the second connecting lug 412, and the other second nut 450 abuts against the bottom surface of the second connecting lug 412. When it is necessary to adjust the end of the second support 410 connected to the second connecting rod 620 to rise, first rotate the upper second nut 450 to rise to the set position, and then rotate the lower second nut 450 to rise to the set position. When it is necessary to adjust the end of the second support 410 connected to the second connecting rod 620 to fall, first rotate the lower second nut 450 to fall to the set position, and then rotate the upper second nut 450 to rise to the set position.

[0069] To further improve the parallelism of the top surface of the second support pier 410, such as Figure 1 , Figure 2 and Figure 9 As shown, specifically, the second support 410 is supported on the ground by the second adjusting support 413, which is used to raise, lower and level the second support 410.

[0070] like Figure 1 , Figure 2, Figure 6 , Figure 7 and Figure 12 As shown, in some embodiments, a third connecting rod 630 is provided at the position of the circular positioning track 600 corresponding to the guide rail bracket 200. One end of the guide rail bracket 200 is supported on the ground in the width direction of the second support pier 410, and the other end is slidably disposed on the third connecting rod 630 in the vertical direction, and is raised and lowered and leveled by a third adjusting component. With this arrangement, the end of the guide rail bracket 200 connected to the third connecting rod 630 can be raised and lowered by the third adjusting component, so that the guide rail bracket 200 and the circular positioning track 600 are arranged parallel to each other. This ensures both the straightness of the sliding of the third support pier 510 in the width direction of the second support pier 410 and the parallelism of the top surfaces of the first support pier 310, the second support pier 410, and the third support pier 510, thereby ensuring the assembly quality.

[0071] To ensure a secure connection between the guide rail bracket 200 and the annular positioning track 600, such as Figure 12 As shown, specifically, the circular positioning track 600 corresponds to a guide rail bracket 200 and is provided with two third connecting rods 630.

[0072] like Figure 6 and Figure 7 As shown, specifically, the guide rail bracket 200 is provided with a third connecting lug 220 corresponding to the position of the third connecting rod 630. The third connecting lug 220 has a third through hole through which the third connecting rod 630 can move. The outer circumferential surface of the third connecting rod 630 is provided with a third external thread. The third adjustment component includes two third nuts 230 that are threadedly connected to the third external thread. One third nut 230 abuts against the top surface of the third connecting lug 220, and the other third nut 230 abuts against the bottom surface of the third connecting lug 220. When it is necessary to adjust the end of the guide rail bracket 200 connected to the third connecting rod 630 to rise, first rotate the upper third nut 230 to rise to the set position, and then rotate the lower third nut 230 to rise to the set position. When it is necessary to adjust the end of the guide rail bracket 200 connected to the third connecting rod 630 to fall, first rotate the lower third nut 230 to fall to the set position, and then rotate the upper third nut 230 to rise to the set position.

[0073] To further improve the parallelism of the guide rail bracket 200, such as Figure 1 , Figure 2 and Figure 6 As shown, specifically, the guide rail bracket 200 is supported on the ground by the fourth adjusting support 240, which is used to raise, lower and level the guide rail bracket 200.

[0074] Considering that one end of the third pier 510 facing the corresponding guide rail bracket 200 meshes with the rack 210 via a gear 541, the end of the third pier 510 facing the corresponding guide rail bracket 200 is also leveled while the guide rail bracket 200 is being leveled. To further improve the parallelism of the third pier 510, such as... Figure 1 , Figure 2 and Figure 6 As shown, specifically, the third support 510 and the movable wheel 550 are connected by a third adjusting support 512, which is used to raise, lower and level the third support 510.

[0075] Specifically, the first adjusting support 312, the second adjusting support 413, the third adjusting support 512, and the fourth adjusting support 240 adopt the same structure. Preferably, the first adjusting support 312, the second adjusting support 413, the third adjusting support 512, and the fourth adjusting support 240 can be configured as hydraulic telescopic components. In another alternative embodiment, the first adjusting support 312 includes a supporting flat portion and a mounting flat portion. The supporting flat portion is used for horizontal support on the ground. A screw portion is provided on the top surface of the supporting flat portion, which extends in the vertical direction. The mounting flat portion is fixedly connected to the first support 310. The mounting flat portion has a through hole for the screw portion to move through. Two adjusting nuts are threaded onto the screw portion. One adjusting nut abuts against the top surface of the mounting flat portion, and the other adjusting nut abuts against the bottom surface of the mounting flat portion.

[0076] Although embodiments of the present invention have been described in conjunction with the accompanying drawings, those skilled in the art can make various modifications and variations without departing from the spirit and scope of the present invention, and such modifications and variations all fall within the scope defined by the present invention.

Claims

1. An adaptive assembly platform, characterized in that, The adaptive assembly platform is used to assist in the assembly of mixed tower sections, which include a first half-mixed tower segment (110) and a second half-mixed tower segment (120). Two guide rail brackets (200) are set at 180° intervals around the first circle center with the vertical direction as the axis of rotation. A first support adjustment mechanism is disposed on the first side of the guide rail bracket (200) in the width direction of the guide rail bracket (200). The first support adjustment mechanism includes a plurality of first support bases (310) arranged at intervals around a first center. The first support base (310) has a first support plate (320) that can slide radially. The first support plate (320) is used to support the first semi-mixed tower tube segment (110) and has a first positioning pin (330) for insertion into a reserved positioning hole of the first semi-mixed tower tube segment (110). The second support base (410) is disposed on the second side of the guide rail bracket (200) in the width direction of the guide rail bracket (200). The second support base (410) is arranged around the first center and circumferentially spaced 90° from the guide rail bracket (200). The second support base (410) has a second support plate (420) that can slide radially. The second support plate (420) is used to support the second semi-mixed tower tube segment (120) and has a second positioning pin (430) for insertion into a reserved positioning hole of the second semi-mixed tower tube segment (120). The third support (510) is disposed on the second side of the guide rail bracket (200) and arranged parallel to the second support (410). The third support (510) can slide relative to the second support (410) in the width direction of the second support (410). The third support (510) has a third support plate (520) that can slide in the arrangement direction of the third support (510). The third support plate (520) is used to support the second semi-mixed tower segment (120) and has a third positioning pin (530) for insertion into the reserved positioning hole of the second semi-mixed tower segment (120).

2. The adaptive assembly platform according to claim 1, characterized in that, There are two third support piers (510), which are arranged opposite to each other on both sides of the second support pier (410) in the width direction of the second support pier (410).

3. The adaptive assembly platform according to claim 2, characterized in that, The guide rail bracket (200) is provided with a rack (210), which extends in the width direction of the second support (410); the third support (510) is provided with a gear (541) rotatably facing the end of the corresponding guide rail bracket (200), the gear (541) meshes with the rack (210) and is driven to rotate by an adjusting motor (542); the end of the third support (510) away from the corresponding guide rail bracket (200) is provided with a movable wheel (550).

4. The adaptive assembly platform according to claim 2, characterized in that, A ladder (560) is provided on one side of each of the two third support piers (510) facing each other. The ladder (560) is located at one end of the third support pier (510) facing the corresponding guide rail bracket (200). The ladder (560) is used to be arranged inside the mixed tower section.

5. The adaptive assembly platform according to any one of claims 1 to 4, characterized in that, A first driving assembly is provided between the first support base (310) and the first support plate (320), and the first driving assembly is used to drive the first support plate (320) to slide radially; And / or, a second drive assembly is provided between the second support base (410) and the second support plate (420), the second drive assembly being used to drive the second support plate (420) to slide radially; And / or, a third driving assembly is provided between the third support base (510) and the third support plate (520), the third driving assembly being used to drive the third support plate (520) to slide in the arrangement direction of the third support base (510).

6. The adaptive assembly platform according to claim 5, characterized in that, The top of the first support base (310) is provided with a first mounting groove (311), which extends radially; the first drive assembly includes: The first lead screw (341) is rotatably disposed in the first mounting groove (311) and extends radially; The first motor (342) has its output end connected to the first lead screw (341) and is used to drive the first lead screw (341) to rotate; The first nut seat (343) is disposed on the first lead screw (341) and is slidably disposed on the first support seat (310) in the radial direction. The first support plate (320) is connected to the first nut seat (343).

7. The adaptive assembly platform according to claim 5, characterized in that, The second support base (410) has a second mounting groove (411) at its top end, and the second mounting groove (411) extends radially; the second drive assembly includes: The second lead screw (441) is rotatably disposed in the second mounting groove (411) and extends radially; The second motor (442) has its output end connected to the second lead screw (441) and is used to drive the second lead screw (441) to rotate; The second nut seat (443) is disposed on the second lead screw (441) and is slidably disposed on the second support seat (410) in the radial direction. The second support plate (420) is connected to the second nut seat (443).

8. The adaptive assembly platform according to claim 5, characterized in that, The top of the third support base (510) is provided with a third mounting groove (511), which extends in the arrangement direction of the third support base (510); the third drive assembly includes: The third lead screw (571) is rotatably disposed in the third mounting groove (511) and extends in the arrangement direction of the third support (510); The third motor (572) has its output end connected to the third lead screw (571) and is used to drive the third lead screw (571) to rotate; The third nut seat (573) is disposed on the third lead screw (571) and is slidably disposed on the third support seat (510) in the arrangement direction of the third support seat (510). The third support plate (520) is connected to the third nut seat (573).

9. The adaptive assembly platform according to any one of claims 1 to 4, characterized in that, It also includes a circular positioning track (600) for support on the ground, the center of which is configured as the first center; the circular positioning track (600) is provided with a first connecting rod (610) corresponding to the position of the first support (310), one end of the first support (310) is supported on the ground in the radial direction, and the other end is slidably disposed on the first connecting rod (610) in the vertical direction, and is raised and lowered and leveled by the first adjusting component.

10. The adaptive assembly platform according to claim 9, characterized in that, The circular positioning track (600) is provided with a second connecting rod (620) corresponding to the position of the second support (410). One end of the second support (410) is supported on the ground in the radial direction, and the other end is slidably disposed on the second connecting rod (620) in the vertical direction, and is raised and lowered and leveled by the second adjusting component. And / or, the circular positioning track (600) is provided with a third connecting rod (630) corresponding to the position of the guide rail bracket (200). One end of the guide rail bracket (200) is supported on the ground in the width direction of the second support base (410), and the other end is slidably disposed on the third connecting rod (630) in the vertical direction, and is raised and lowered and leveled by the fourth adjusting component; And / or, the first pier (310) is supported on the ground by a first adjusting support (312), the first adjusting support (312) being used to raise, lower and level the first pier (310); And / or, the outer peripheral surface of the first connecting rod (610) is provided with a first external thread, and the first adjusting assembly includes two first nuts (350) that are threadedly connected to the first external thread, one of the first nuts (350) abutting against the top surface of the first support (310), and the other first nut (350) abutting against the bottom surface of the first support (310).