Laser scanning support and hanger structure for precise butt joint of fabricated building

Abstract

The invention discloses a laser scanning support hanger structure for precise butt joint of fabricated buildings, and relates to the technical field of building construction.The laser scanning support hanger structure comprises a supporting truss, an adjusting mechanism is arranged at the bottom of the supporting truss, and the adjusting mechanism comprises a movable positioning assembly and two-way threaded rods symmetrically arranged at the bottom of the supporting truss; through the designed adjusting mechanism, the building component needing to be hoisted and supported is positioned, position data are monitored in real time, the first hinge base is driven by displacement of the movable pulley base to follow displacement so as to generate pulling force on the elastic rope, and the second hinge base is driven by the pulling force to follow rotation so as to achieve hoisting and supporting. Therefore, the laser beam transmitting and receiving end and the reflection steering plate are always located on the same straight line, the laser beam output by the laser beam transmitting and receiving end can be always reflected by the reflection steering plate, and the function of automatically adjusting the position of the laser beam while the hoisting distance of the building component is adjusted is achieved.

Description

Technical Field

[0001] The present invention belongs to the technical field of building construction, and specifically relates to a laser scanning support and hanger structure for precise docking of prefabricated buildings. Background Technique

[0002] Support and hangers are a special type of support and hanger used to support laminated plates under the ceiling of a building. They are commonly used in commercial and industrial buildings to create open ceiling spaces while supporting pipes and other equipment. In the construction field of prefabricated buildings, support and hangers with laser scanning functions can assist in assembly. Especially at the assembly construction sites of building components such as composite floors and precast walls, they have the functions of stable support and providing positioning information, enabling precise docking of the assembly between building components.

[0003] In the prior art, during the use of a support and hanger structure with laser scanning, a structure of a wire rope cooperating with a pulley is adopted for support. A hook is provided at the bottom end of the wire rope to hook the assembly component. However, when the pulley block is adjusted in position, the follow-up adjustment of the laser beam cannot be achieved. When the pulley block is displaced, the position and angle of the laser beam cannot be adjusted synchronously, resulting in the problem that manual adjustment is required when hoisting the assembly component. For this reason, we propose a laser scanning support and hanger structure for precise docking of prefabricated buildings. Summary of the Invention

[0004] The purpose of the present invention is to provide a laser scanning support and hanger structure for precise docking of prefabricated buildings to solve the technical problems proposed in the above background technique.

[0005] To achieve the above purpose, the present invention provides the following technical solution: A laser scanning support and hanger structure for precise docking of prefabricated buildings, including a support truss. An adjustment mechanism is provided at the bottom of the support truss, and the adjustment mechanism includes:

[0006] A moving and positioning component, including a bidirectional threaded rod symmetrically arranged at the bottom of the support truss. Two sets of moving pulley seats are threadedly connected to the outside of the bidirectional threaded rod for left - right adjustment according to the position of the building component below.

[0007] Fixed pulley groups are fixedly arranged at the front and rear bottoms of the support truss. A first hinged base is arranged inside the moving pulley seat, and a reflection and steering plate is fixedly arranged at the outer bottom of the first hinged base for reflecting the laser beam.

[0008] A moving pulley component is arranged below the support truss for driving the building component to move.

[0009] Preferably, a laser emission base is fixedly arranged at the bottom of the support truss, and second hinge bases are arranged on both side surfaces of the laser emission base. A laser beam emission and reception end is arranged at the outer bottom of the second hinge base for emitting and receiving laser beams;

[0010] An elastic rope is fixedly arranged between the first hinge base and the second hinge base for connecting the first hinge base and the second hinge base and making the laser beam emission and reception end correspond to the reflection steering plate;

[0011] One end of the support truss is fixedly provided with a second mounting plate, a first driving motor is fixedly arranged on the second mounting plate, a transmission shaft is arranged at the working end of the first driving motor, and a transmission unit for drivingly connecting with the bidirectional threaded rod is arranged between the two ends of the transmission shaft and the bidirectional threaded rod.

[0012] Preferably, first pulleys are rotatably arranged at the bottoms of the movable pulley seat and the fixed pulley group, and a support roller is rotatably arranged at the top of the movable pulley seat. [[ID=ll]]

[0013] Preferably, the movable pulley assembly includes a winding member and a plurality of mounting bases. A second pulley is arranged inside the mounting base, and a hook is fixedly arranged at the bottom of the mounting base.

[0014] Preferably, the winding member includes a first mounting plate fixed at the other end of the support truss. A second driving motor is fixedly arranged at the bottom of the first mounting plate, a winding shaft is arranged at the output end of the second driving motor, and support steel wires are respectively wound around the two ends of the winding shaft.

[0015] Preferably, a limiting member for limiting the support steel wire is arranged on the mounting base, and the limiting member includes a mounting shaft fixed at the center inside the second pulley.

[0016] Preferably, displacement sliders are fixedly arranged at both ends of the mounting shaft. A first spring is fixedly arranged at the bottom of the displacement slider, and a sliding rod is fixedly arranged at the top of the displacement slider.

[0017] Preferably, a double-sided rack is fixedly arranged on the surface of the sliding rod. The double-sided rack is located above the limiting plate, and the displacement slider is located below the limiting plate.

[0018] Preferably, two groups of support rods are symmetrically hinged inside the mounting base, and an incomplete gear is fixedly arranged at one end of the support rod.

[0019] Preferably, a second spring is fixedly connected between the bottom of the support rod and the outer wall of the mounting base. A support shaft is arranged between the two groups of support rods, and a clamping wheel is fixedly arranged outside the support shaft for clamping and limiting the support steel wire.

[0020] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0021] (1) Through the designed adjustment mechanism, the present invention positions the building components that need to be hoisted and supported, and real-time monitors the position data. The displacement of the movable pulley seat drives the first hinged base to follow the displacement, thereby generating a pulling force on the elastic rope. Through this pulling force, the second hinged base is driven to rotate, so that the laser beam emission and reception end and the reflection steering plate are always in a straight line, thereby ensuring that the laser beam output from the laser beam emission and reception end can always be reflected by the reflection steering plate. The function of automatically adjusting the position of the laser beam while adjusting the hoisting distance of the building components is realized, the structure is optimized, and the hoisting effect and efficiency are improved.

[0022] (2) Through the designed limiting member, when the support steel wire rope is pulled during the hoisting of the building component, the clamping wheel clamps and squeezes the support steel wire rope outside the second pulley as the bottom of the support rod approaches the second pulley during the pulling process, so that the support steel wire rope cannot displace and slide. Therefore, during the hoisting and supporting process, the building components of the building will not be displaced due to the side slip of the support steel wire rope, ensuring the stability of the position structure of the building components during the hoisting process. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 is a schematic structural diagram of the present invention;

[0024] Figure 2 is a schematic right-view structural diagram of the support truss of the present invention;

[0025] Figure 3 is a schematic structural diagram of the bidirectional threaded rod of the present invention;

[0026] Figure 4 is a schematic structural diagram of the second mounting plate of the present invention;

[0027] [[ID=2⑨]] Figure 5 is of the present invention Figure 4 amplified schematic structural diagram of part A therein;

[0028] Figure 6 is a schematic structural diagram of the elastic rope of the present invention;

[0029] Figure 7 is a schematic structural diagram of the first mounting plate of the present invention;

[0030] Figure 8 is a schematic structural diagram of the mounting base of the present invention;

[0031] Figure 9 is a schematic structural diagram of the support rod of the present invention;

[0032] Figure 10 Partial sectional view structure diagram of the installation base of the present invention;

[0033] Figure 11 Structure diagram of the clamping wheel of the present invention;

[0034] In the figure: 10, support truss; 11, hoisting steel wire rope; 12, first mounting plate; 13, movable pulley seat; 14, second mounting plate; 15, chute; 16, transmission unit; 17, first driving motor; 18, transmission shaft; 19, support steel wire rope; 20, laser emission base; 21, fixed pulley set; 22, bidirectional threaded rod; 23, elastic cord; 24, first hinge base; 25, support roller; 26, first pulley; 27, second hinge base; 28, reflection turning plate; 29, second driving motor; 30, winding shaft; 31, laser beam emission and reception end; 100, movable pulley assembly; 101, installation base; 102, sliding rod; 103, second pulley; 104, clamping wheel; 105, support rod; 106, first spring; 107, first through hole; 108, transmission cavity; 109, limiting plate; 110, displacement cavity; 111, installation cavity; 112, incomplete gear; 113, double-sided rack; 114, support shaft; 115, second spring; 116, displacement slider. Detailed implementation manners

[0035] Next, the technical solutions of the present invention will be clearly and completely described in conjunction with the embodiments. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present invention.

[0036] Embodiment 1

[0037] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 8 , Figure 9 , Figure 10 and Figure 11 , the present invention provides a technical solution: a laser scanning support hanger structure for precise docking of prefabricated buildings, including a support truss 10, with a hoisting steel wire rope 11 fixed above the support truss 10, and an adjustment mechanism is provided at the bottom of the support truss 10. The adjustment mechanism includes:

[0038] Mobile positioning component, the mobile positioning component includes a bidirectional threaded rod 22 symmetrically arranged at the bottom of the support truss 10, and two sets of movable pulley seats 13 are threadedly connected to the outside of the bidirectional threaded rod 22 for left and right adjustment according to the position of the building components below;

[0039] Fixed pulley groups 21 are fixedly arranged at the front and rear bottoms of the support truss 10. A first hinge base 24 is arranged inside the movable pulley seat 13 through a hinge. A reflection steering plate 28 is fixedly arranged at the outer bottom of the first hinge base 24. A laser emission base 20 is fixedly arranged at the bottom of the support truss 10. Second hinge bases 27 are arranged on both side surfaces of the laser emission base 20 through hinges. A laser beam emission and reception end 31 is arranged at the outer bottom of the second hinge base 27 for emitting and receiving laser beams;

[0040] An elastic cord 23 is fixedly arranged between the first hinge base 24 and the second hinge base 27 for connecting the first hinge base 24 and the second hinge base 27 and making the laser beam emission and reception end 31 correspond to the reflection steering plate 28. When the support hanger is in use, the lifting wire rope 11 is lifted through an external lifting device, so as to suspend the entire support truss 10. At the same time, an external central control unit is electrically connected to the laser emission base 20 to receive and control the data of the laser emission base 20 in real time;

[0041] Movable pulley assembly 100, arranged below the support truss 10 for driving the movement of building components;

[0042] A second mounting plate 14 is fixedly arranged at one end of the support truss 10. A first driving motor 17 is fixedly arranged on the second mounting plate 14. A transmission shaft 18 is arranged at the working end of the first driving motor 17. A transmission unit 16 for driving connection with the bidirectional threaded rod 22 is arranged between the two ends of the transmission shaft 18 and the bidirectional threaded rod 22;

[0043] First pulleys 26 are rotatably arranged at the bottoms of the movable pulley seats 13 and the fixed pulley groups 21. A support roller 25 is rotatably arranged at the top of the movable pulley seat 13. Chute 15s are provided at the front and rear of the support truss 10, and the support roller 25 can roll inside the chute 15.

[0044] Embodiment 2

[0045] On the basis of Embodiment 1, please refer to Figure 1 、 Figure 2 、 Figure 3 、 Figure 6 、 Figure 7 、 Figure 8 、 Figure 9 、 Figure 10 and Figure 11, the movable pulley assembly 100 includes a winding member and multiple groups of mounting bases 101. The side view of the mounting base 101 is a U-shaped structure. A second pulley 103 is arranged inside the mounting base 101, and a hook is fixedly arranged at the bottom of the mounting base 101;

[0046] The winding member includes a first mounting plate 12 fixed to the other end of the support truss 10. A second driving motor 29 is fixedly arranged at the bottom of the first mounting plate 12. A winding shaft 30 is arranged at the output end of the second driving motor 29. Support steel cables 19 are respectively wound around both ends of the winding shaft 30. The ends of the support steel cables 19 bypass the outside of the first pulley 26 and the second pulley 103 and extend to the surface of the first mounting plate 12.

[0047] Through the designed adjustment mechanism of the present invention, the building components to be hoisted and supported are positioned, and the position data is monitored in real time. The displacement of the movable pulley seat 13 drives the first hinged base 24 to follow the displacement, thereby generating a pulling force on the elastic rope 23. Through this pulling force, the second hinged base 27 is driven to rotate, so that the laser beam transmitting and receiving end 31 and the reflection steering plate 28 are always in a straight line, thereby ensuring that the laser beam output from the laser beam transmitting and receiving end 31 can always be reflected by the reflection steering plate 28. The function of automatically adjusting the position of the laser beam while adjusting the hoisting distance of the building components is realized, and the optimization of the structure is achieved.

[0048] Embodiment III

[0049] On the basis of Embodiment II, please refer to Figure 8 , Figure 9 , Figure 10 and Figure 11 , a limiting member for limiting the support steel cable 19 is arranged on the mounting base 101. The limiting member includes a mounting shaft fixed at the center inside the second pulley 103;

[0050] Displacement sliders 116 are fixedly arranged at both ends of the mounting shaft. A first spring 106 is fixedly arranged at the bottom of the displacement slider 116. A sliding rod 102 is fixedly arranged at the top of the displacement slider 116. The top of the sliding rod 102 extends to the outside of the top of the mounting base 101. Displacement cavities 110 for the displacement sliders 116 to slide up and down and lifting openings for the sliding rod 102 to slide up and down are respectively formed inside the mounting base 101. An installation cavity 111 is formed inside the mounting base 101. The bottom of the first spring 106 is fixed to the inner wall bottom of the installation cavity 111;

[0051] A double-sided rack 113 is fixedly provided on the surface of the slide bar 102, and a transmission cavity 108 is opened inside the mounting base 101 for the double-sided rack 113 to slide up and down. When the slide bar 102 drives the double-sided rack 113 to move up and down, the double-sided rack 113 will slide inside the transmission cavity 108. A limit plate 109 is provided between the displacement cavity 110 and the transmission cavity 108. The double-sided rack 113 is located above the limit plate 109, and the displacement slider 116 is located below the limit plate 109. The limit plate 109 is used to limit the displacement slider 116 during its sliding process.

[0052] Two sets of support rods 105 are symmetrically hinged inside the mounting base 101. The two ends of the support rods 105 are arc structures. An incomplete gear 112 is fixedly provided at one end of the support rod 105. The incomplete gear 112 is meshed with a double-sided rack 113.

[0053] The inner wall of the mounting base 101 is provided with a first through hole 107 for the support rod 105 and the incomplete gear 112 to fit in. When the support rod 105 and the incomplete gear 112 rotate, a portion of the support rod 105 and the incomplete gear 112 rotates inside the first through hole 107.

[0054] The bottom of the support rod 105 is fixedly connected to the outer wall of the mounting base 101 by a second spring 115. A support shaft 114 is provided between the two groups of support rods 105. A clamping wheel 104 is fixedly provided on the outside of the support shaft 114 for clamping and limiting the support wire rope 19. The clamping wheel 104 follows the rotation displacement of the support rod 105 to position and clamp the support wire rope 19 wound around the outside of the second pulley 103. In addition, the clamping of the clamping wheel 104 can also prevent the second drive motor 29 from accidentally starting during use, causing the support wire rope 19 to move, affecting the instability of the mounting base 101 and the building components below.

[0055] The present invention has a designed limiter. When the supporting steel wire rope 19 is pulled through the bottom of the support rod 105 toward the second pulley 103 during the process of lifting building components, the clamping pulley 104 engages and squeezes the supporting steel wire rope 19 outside the second pulley 103, so that the supporting steel wire rope 19 cannot be displaced or slid. Therefore, during the lifting and supporting process, the building components of the building will not be displaced due to the side slip of the supporting steel wire rope 19, thereby ensuring the stability of the position structure of the building components during the lifting process.

[0056] The working principle and use process of the present invention:

[0057] When the present invention is in use, by starting the first driving motor 17, the transmission shaft 18 is driven to rotate, and then the two groups of bidirectional threaded rods 22 are driven to rotate by the transmission unit 16 on the second mounting plate 14, so that the movable pulley seat 13 moves left or right for position adjustment. By adjusting the position of the movable pulley seat 13, the distance between the movable pulley seat 13 and the fixed pulley set 21 changes. Under the action of its own gravity, the mounting base 101 supported by the supporting steel wire rope 19 always exerts a downward force on the supporting steel wire rope 19, so that the mounting base 101 is always located at the middle position between the movable pulley seat 13 and the fixed pulley set 21;

[0058] Furthermore, when the position distance between the movable pulley seat 13 and the fixed pulley set 21 changes, the overall position of the mounting base 101 changes accordingly, thereby realizing the size adaptation to the building components of different buildings;

[0059] During the displacement and sliding of the movable pulley seat 13, the supporting rollers 25 roll inside the chute 15, increasing the stability of the movable pulley seat 13 during movement. The movable pulley seat 13 drives the first hinged base 24 to follow the displacement, and then the elastic rope 23 is pulled to follow the displacement through the first hinged base 24. The two ends of the elastic rope 23 are respectively rotatably connected to the first hinged base 24 and the second hinged base 27. Therefore, through the pulling of the elastic rope 23, the first hinged base 24 and the second hinged base 27 follow and deflect, driving the laser beam transmitting and receiving end 31 and the reflection turning plate 28 to follow and deflect, so that the laser beam emitted by the laser beam transmitting and receiving end 31 can be reflected after hitting the reflection turning plate 28, realizing the function of laser positioning. Furthermore, the automatic following adjustment function of laser positioning is synchronously realized, reducing the complex requirements of manual adjustment;

[0060] The supporting truss 10 is driven by an external hoisting device to be displaced as a whole to the top of the building component to be hoisted. Then, the hook at the bottom of the mounting base 101 is connected to the building component. Then, the second driving motor 29 is started to drive the winding shaft 30 to rotate and wind up the supporting steel wire rope 19, so that the length of the supporting steel wire rope 19 is shortened. As a result, the overall position of the mounting base 101 supported by the supporting steel wire rope 19 is displaced upward. As the supporting steel wire rope 19 is continuously tightened, until the hook at the bottom of the mounting base 101 is just in a tensioned state with respect to the building component, the second driving motor 29 is thus turned off. At this time, the hoisting device drives the supporting truss 10 to be in a pre-hoisting state, and the hook at the bottom of the mounting base 101 is in a tensioned and non-loaded state with respect to the building component;

[0061] At this time, the laser beam emitted by the laser beam transmitting and receiving end 31 is reflected by the reflection turning plate 28 to the top of the building component, and then reflected back to the position of the laser beam transmitting and receiving end 31 through the building component. Then, the laser emission base 20 is used for analysis and judgment to perform a horizontal analysis on the position of the building component supported and hoisted.

[0062] Furthermore, when the laser emission base 20 determines that the horizontal data is balanced and feeds it back to the central control unit, the external hoisting device is then activated, causing the entire support truss 10 to move upward. Then, under the action of the self-gravity of the building component, the hook at the bottom of the mounting base 101 remains in place, while the support wire rope 19 is stressed and drives the second pulley 103 to move upward. The second pulley 103 drives the mounting shaft and the displacement slider 116 on the mounting shaft to move upward. At this time, the first spring 106 at the bottom begins to stretch. Through the displacement of the displacement slider 116 inside the displacement cavity 110, the slide rod 102 drives the double-sided rack 113 to move upward. The displacement of the double-sided rack 113 drives the incomplete gear 112 to rotate, so that one end of the support rod 105 fixed to it rotates accordingly. The support rod 105 drives the pulley 104 on the outer side of the support shaft 114 to approach and deflect towards the outer side of the second pulley 103. At this time, the second spring 115 begins to be compressed. As the pulley 104 continuously approaches, the pulley 104 clamps and squeezes the support wire rope 19 on the outer side of the second pulley 103, making it impossible for the support wire rope 19 to displace and slide. Therefore, during the hoisting and supporting process, the building component will not be displaced due to the side-sliding of the support wire rope 19, ensuring the stability of the position structure of the building component during the hoisting process. During the upward movement of the displacement slider 116, when the mounting shaft on the second pulley 103 moves upward to a certain position and then stops moving, at this time, the top of the displacement slider 116 is blocked by the bottom of the limiting plate 109, and then the mounting base 101 can be driven to move upward accordingly.

[0063] When the device is hoisted to the predetermined position, the laser beam emitted by the laser beam transmitting and receiving end 31 can perform a secondary detection on the horizontal state of the building component, thereby ensuring the accuracy of the installation position of the building component.

[0064] The above embodiments are only used to illustrate the technical method of the present invention and not to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical method of the present invention can be modified or equivalently replaced without departing from the spirit and scope of the technical method of the present invention.

Claims

1. A laser scanning support hanger structure for precise docking of prefabricated buildings, including a support truss (10), and an adjustment mechanism is arranged at the bottom of the support truss (10), characterized in that, The adjustment mechanism includes: A moving and positioning component, including a bidirectional threaded rod (22) symmetrically arranged at the bottom of the support truss (10). Two groups of movable pulley seats (13) are threadedly connected to the outside of the bidirectional threaded rod (22) for left and right adjustment according to the position of the building component below. Fixed pulley groups (21) are fixedly arranged at the front and rear bottoms of the support truss (10). A first hinge base (24) is arranged inside the movable pulley seat (13). A reflection steering plate (28) is fixedly arranged at the outer bottom of the first hinge base (24) for reflecting the laser beam. A movable pulley assembly (100) is arranged below the support truss (10) for driving the movement of the building component.

2. The laser scanning support hanger structure for precise docking of prefabricated buildings according to claim 1, wherein: A laser emission base (20) is fixedly arranged at the bottom of the support truss (10). Second hinge bases (27) are arranged on both side surfaces of the laser emission base (20). A laser beam emission and reception end (31) is arranged at the outer bottom of the second hinge base (27) for emitting and receiving the laser beam. An elastic rope (23) is fixedly arranged between the first hinge base (24) and the second hinge base (27) for connecting the first hinge base (24) and the second hinge base (27) and making the laser beam emission and reception end (31) correspond to the reflection steering plate (28). A second mounting plate (14) is fixedly arranged at one end of the support truss (10). A first driving motor (17) is fixedly arranged on the second mounting plate (14). A transmission shaft (18) is arranged at the working end of the first driving motor (17). A transmission unit (16) in transmission connection with the bidirectional threaded rod (22) is arranged between the two ends of the transmission shaft (18) and the bidirectional threaded rod (22).

3. The laser scanning support hanger structure for precise docking of prefabricated buildings according to claim 1, characterized in that: First pulleys (26) are rotatably arranged at the bottoms of the movable pulley seats (13) and the fixed pulley groups (21). A support roller (25) is rotatably arranged at the top of the movable pulley seat (13).

4. A laser scanning support hanger structure for precise docking of prefabricated buildings according to claim 1, characterized in that: The movable pulley assembly (100) includes a winding member and multiple groups of mounting bases (101). A second pulley (103) is arranged inside the mounting base (101). A hook is fixedly arranged at the bottom of the mounting base (101).

5. A laser scanning support hanger structure for precise docking of prefabricated buildings according to claim 4, characterized in that: The winding member includes a first mounting plate (12) fixed at the other end of the support truss (10). A second driving motor (29) is fixedly arranged at the bottom of the first mounting plate (12). A winding shaft (30) is arranged at the output end of the second driving motor (29). Support steel wires (19) are respectively wound around the two ends of the winding shaft (30).

6. A laser scanning support hanger structure for precise docking of prefabricated buildings according to claim 5, characterized in that: A limiting member for limiting the support steel wire (19) is arranged on the mounting base (101). The limiting member includes a mounting shaft fixed at the center inside the second pulley (103).

7. The laser scanning support hanger structure for precise docking of prefabricated buildings according to claim 6, characterized in that: Displacement sliders (116) are fixedly arranged at both ends of the mounting shaft. A first spring (106) is fixedly arranged at the bottom of the displacement slider (116). A sliding rod (102) is fixedly arranged at the top of the displacement slider (116).

8. A laser scanning support hanger structure for precise docking of prefabricated buildings according to claim 7, characterized in that: A double-sided rack (113) is fixedly arranged on the surface of the sliding rod (102). The double-sided rack (113) is located above the limiting plate (109), and the displacement slider (116) is located below the limiting plate (109).

9. The laser scanning support hanger structure for precise docking of prefabricated buildings according to claim 4, wherein: Two groups of support rods (105) are symmetrically hinged inside the mounting base (101), and an incomplete gear (112) is fixedly arranged at one end of each support rod (105).

10. A laser scanning support and hanger structure for precise docking of prefabricated buildings according to claim 9, characterized in that: A second spring (115) is fixedly connected between the bottom of the support rod (105) and the outer wall of the mounting base (101). A support shaft (114) is arranged between the two groups of support rods (105), and a clamping wheel (104) is fixedly arranged on the outside of the support shaft (114) for clamping and limiting the support steel wire rope (19).

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