Steel structure prefabricated part transporting and fixing device

Abstract

The invention provides a steel structure prefabricated part transporting and fixing device, and relates to the technical field of constructional engineering. A distance adjusting assembly is arranged in the transport vehicle. The prefabricated part fixing assembly comprises bases installed on the transport vehicle at equal intervals, fixing blocks are installed at the top ends of the bases, positioning holes are formed in the four corners of each base, and the transport vehicle is fixedly connected with the bases through bolts; wherein the H-shaped steel prefabricated part is composed of a transverse plate and two vertical plates, two groove bodies are formed in the H-shaped steel prefabricated part, and when the H-shaped steel prefabricated part is placed, the fixing blocks are located in the groove bodies below the H-shaped steel prefabricated part; by means of the design, stable fixing of the H-shaped steel prefabricated part is achieved, displacement or collision of the H-shaped steel prefabricated part due to bumping and vibration in the transportation process is effectively prevented, the damage risk is reduced, and the transportation safety and reliability are improved. And meanwhile, the device is easy and convenient to operate, the prefabricated part can be quickly fixed and loosened, and the transportation efficiency is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of construction engineering, and particularly relates to a transportation and fixing device for steel structure prefabricated components. Background Art

[0002] With the continuous development of the construction industry, steel structure prefabricated components have been widely used in construction due to their advantages such as high efficiency and environmental protection. Steel structure prefabricated components are usually processed in the factory and then transported to the construction site for installation. This construction method can significantly improve construction efficiency and reduce the complexity and time cost of on-site construction;

[0003] At present, steel structure prefabricated components are mainly fixed by means of rope bundling during transportation. The ropes are wound around the prefabricated components and tightened to form a certain frictional force and binding force to prevent the prefabricated components from shifting or colliding during transportation. In specific operations, the ropes are usually connected to the connection points or support points of the prefabricated components to ensure the stability of the prefabricated components when the vehicle is driving;

[0004] Although rope bundling is a common fixing method, it has obvious deficiencies in practical applications. First, the fixing effect of the ropes is greatly affected by road conditions and vehicle driving stability. Under complex road conditions, vehicle bumps and vibrations may cause the ropes to loosen, resulting in the displacement or collision of the prefabricated components, and then damaging the components. Second, for large H-shaped steel prefabricated components, the fixing force of the ropes is not sufficient to provide enough stability. Especially when encountering large vibrations during transportation, the prefabricated components are easily damaged due to insecure fixing, and may even cause safety accidents;

[0005] Therefore, in view of the above problems, a transportation and fixing device for steel structure prefabricated components is proposed. Summary of the Invention

[0006] The purpose of the present invention is to solve the deficiencies existing in the prior art and provide a transportation and fixing device for steel structure prefabricated components, including a transport vehicle; a spacing adjustment component is provided inside the transport vehicle;

[0007] A prefabricated component fixing component, the prefabricated component fixing component includes bases equidistantly installed on the transport vehicle, a fixing block is installed at the top of the base, positioning holes are opened at the four corners of the base, and the transport vehicle and the base are fixedly connected by bolts;

[0008] Wherein, the H-shaped steel prefabricated component is composed of a transverse plate and two vertical plates, two groove bodies are formed on the H-shaped steel prefabricated component, and when placing the H-shaped steel prefabricated component, the fixing block is located in the lower groove body of the H-shaped steel prefabricated component;

[0009] The pressing assembly, the pressing assembly includes a side cylinder fixedly installed at one end of the fixed block, side grooves are symmetrically opened on both sides of the side cylinder, a movable block is movably installed inside the side cylinder, connecting rods are symmetrically hinged and installed on both sides of the movable block, the ends of the two connecting rods are respectively hinged and installed with two limiting side plates, a first screw cylinder is installed at one end of the side cylinder, and a first screw rod is threadedly installed inside the first screw cylinder;

[0010] The negative pressure driving assembly, the negative pressure driving assembly includes a top cylinder fixedly installed at the top of the fixed block, the top cylinder is communicated with the negative pressure space, a piston is movably installed inside the top cylinder, a second screw cylinder is installed at the top of the top cylinder, a second screw rod is threadedly installed inside the second screw cylinder, and the bottom end of the second screw rod is fixedly connected to the bottom end of the piston.

[0011] Preferably, two movable plates are symmetrically and movably installed inside the fixed block, connecting pipes are symmetrically installed on one side of each of the two movable plates away from each other, and the connecting pipes penetrate to the outside of the fixed block.

[0012] Preferably, a limiting side plate is installed at one end of the connecting pipe away from the movable plate, and the two limiting side plates are symmetrically arranged on both sides of the fixed block.

[0013] Preferably, the outer wall of the movable plate is in close contact with the inner wall of the fixed block, a negative pressure space is formed between the two movable plates, and the connecting pipe is communicated with the negative pressure space.

[0014] Preferably, suction cups are symmetrically installed on one side of the limiting side plate away from the movable plate, and the suction cups are communicated with the connecting pipe.

[0015] Preferably, return springs are symmetrically installed on one side of each of the two movable plates away from each other, one end of the return spring is fixedly connected to the inner cavity side wall of the fixed block, a bottom box is installed at the bottom end of the side cylinder, a pressing plate is movably installed inside the bottom box, and the pressing plate is in contact with the bottom wall of the movable block.

[0016] Preferably, a pressing plate is arranged below the pressing plate, and pressing springs are symmetrically installed between the pressing plate and the pressing plate.

[0017] Preferably, a connecting frame is installed on the outside of the pressing plate, one end of the connecting frame is rotatably installed on the outside of the second screw rod, two limiting plates are installed on the second screw rod, and the two limiting plates are respectively arranged on the upper and lower sides of one end of the connecting frame.

[0018] Preferably, the spacing adjustment assembly includes a chute opened inside the transport vehicle. A slider is slidably connected to the chute. A vertical plate is fixedly connected to the top end of the transport vehicle. A linear moving block is slidably connected inside the vertical plate. A lead screw is threadedly connected inside the linear moving block. One end of the lead screw is fixedly connected with a clamping post, and the other end of the lead screw is fixedly connected with a turning handle. One end of the clamping post is engaged with the outer side of the fixed block.

[0019] Compared with the prior art, the advantages and positive effects of the present invention are as follows:

[0020] 1. Through the fitting of the fixed block and the groove body of the H-shaped steel prefabricated part to form a basic support, and cooperating with the elastic adaptive mechanism of the movable plate to achieve physical fixation. When the prefabricated part is pressed into the fixed block, the movable plate is displaced to both sides under extrusion. At this time, the return spring is compressed. At the same time, the negative pressure space formed between the movable plate and the inner wall of the fixed block is conducted to the suction cup through the connecting pipe, and the adsorption force is generated by the atmospheric pressure difference. During this process, the limit side plates expand outwards synchronously to form a transverse constraint framework. Such a design realizes the stable fixation of the H-shaped steel prefabricated part, effectively prevents it from displacing or colliding due to bumps and vibrations during transportation, reduces the risk of damage, and improves the safety and reliability of transportation. At the same time, the device is easy to operate, can quickly complete the fixation and loosening of the prefabricated part, and improves the transportation efficiency.

[0021] 2. When the first screw is tightened clockwise, its threaded drive pushes the movable block to move into the cylinder. Through the lever effect formed by the connecting rods hinged on both sides, two limit side plates are forced to press against the inner wall of the H-shaped steel flange synchronously. At this time, the included angle of the connecting rods decreases, generating a mechanical force amplification effect. Such a design realizes the amplification of the manually input torque, and the measured single-point pressing force increases. Secondly, the symmetric motion characteristic ensures the synchronization error rate of the double limit side plates, avoiding structural damage to the steel caused by eccentric loading.

[0022] 3. By rotating the second screw to drive the piston to lift vertically, a compound transmission system is formed by linking the bottom pressing mechanism. When the second screw is rotated counterclockwise, the thread pair drives the piston to move upward, and the volume of the inner cavity of the top cylinder increases. Through the connecting pipeline, the pressure of the negative pressure space inside the fixed block decreases. At this time, the adsorption force of the suction cup increases; synchronously, the rotation of the screw pushes the pressing plate to press down through the connecting frame, and the pressure is transmitted to the pressing plate through the pressing spring, and finally acts on the movable block to form an additional pressing force. Such a design synchronously controls the negative pressure adsorption intensity through the single-axis operation of the screw, so that the top cylinder and the mechanical pressing force are such that the adsorption force increases linearly, and at the same time the mechanical pressing force is increased. And the elastic energy storage characteristic of the pressing spring can absorb the impact energy during transportation vibration, and cooperate with the buffer formed by the limit plate to effectively prevent the problem of stress damage caused by the overload of the rigid structure.

[0023] 4. The rotation of the lead screw of the spacing adjustment component drives the linear moving block to move linearly along the guide of the vertical plate. Then, the slider slides on the chute to drive the fixed block to move synchronously, so as to approach and engage the fixed blocks at different positions. This design enables stable fixation even for H-shaped steel prefabricated parts of different sizes, effectively preventing displacement or collision during transportation due to bumps and vibrations, reducing the risk of damage, improving the safety and reliability of transportation, and having simple operation, being able to quickly complete the fixation and loosening of the prefabricated parts, and reducing the labor force. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 A perspective view of a transportation fixing device for steel structure prefabricated parts provided by the present invention;

[0025] Figure 2 A schematic structural diagram of the spacing adjustment component of a transportation fixing device for steel structure prefabricated parts provided by the present invention;

[0026] Figure 3 For Figure 1 The enlarged view at A in

[0027] Figure 4 A schematic structural diagram of the fixed block of a transportation fixing device for steel structure prefabricated parts provided by the present invention;

[0028] Figure 5 A schematic structural diagram of the movable plate of a transportation fixing device for steel structure prefabricated parts provided by the present invention;

[0029] Figure 6 For Figure 5 The enlarged view at B in

[0030] Figure 7 A schematic structural diagram of the limit side plate of a transportation fixing device for steel structure prefabricated parts provided by the present invention;

[0031] Figure 8 A schematic structural diagram of the negative pressure driving component of a transportation fixing device for steel structure prefabricated parts provided by the present invention.

[0032] 1. Transport vehicle;

[0033] 2. Prefabricated part fixing component; 21. Base; 22. Positioning hole; 23. Fixed block; 24. Movable plate; 25. Connecting pipe; 26. Limit side plate; 27. Return spring; 28. Suction cup;

[0034] 3. Pressing component; 31. Side cylinder; 32. Side groove; 33. Movable block; 34. Link; 35. First screw barrel; 36. First screw;

[0035] 4. Negative pressure drive assembly; 41. Top cylinder; 42. Second screw cylinder; 43. Piston; 44. Second screw; 45. Bottom box; 46. Pressing plate; 47. Pressing plate; 48. Pressing spring; 49. Connecting frame;

[0036] 5. Spacing adjustment assembly; 51. Slide groove; 52. Slide block; 53. Vertical plate; 54. Linear moving block; 55. Lead screw; 56. Clamping post; 57. Rotating handle. Detailed implementation manner

[0037] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all 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 shall fall within the protection scope of the present invention.

[0038] As Figure 1 、 Figure 3 、 Figure 4 、 Figure 5 And Figure 7 As shown, this embodiment provides a technical solution: a steel structure prefabricated part transportation and fixing device, including a transport vehicle 1;

[0039] The prefabricated part fixing assembly 2, the prefabricated part fixing assembly 2 includes a base 21 installed equidistantly on the transport vehicle 1, a fixing block 23 is installed at the top end of the base 21, positioning holes 22 are opened at the four corners of the base 21, and the transport vehicle 1 and the base 21 are fixedly connected by bolts. The H-shaped steel prefabricated part generally consists of a horizontal plate and two vertical plates, forming two groove bodies on the H-shaped steel prefabricated part. When placing the H-shaped steel prefabricated part, the fixing block 23 is located in the lower groove body of the H-shaped steel prefabricated part. Two movable plates 24 are symmetrically and movably installed inside the fixing block 23. On the mutually remote sides of the two movable plates 24, two connecting pipes 25 are symmetrically installed, and the connecting pipes 25 penetrate to the outside of the fixing block 23. One end of the connecting pipe 25 away from the movable plate 24 is provided with a limiting side plate 26, and the two limiting side plates 26 are symmetrically arranged on both sides of the fixing block 23. The outer wall of the movable plate 24 is in close contact with the inner wall of the fixing block 23, a negative pressure space is formed between the two movable plates 24, and the connecting pipe 25 is communicated with the negative pressure space. On the side of the limiting side plate 26 away from the movable plate 24, suction cups 28 are symmetrically installed, and the suction cups 28 are communicated with the connecting pipes 25. On the mutually remote sides of the two movable plates 24, reset springs 27 are symmetrically installed, and one end of the reset spring 27 is fixedly connected to the inner cavity side wall of the fixing block 23;

[0040] The base 21 is fixed on the transport vehicle 1 by bolts, providing a stable support foundation for the entire fixing device. The fixing block 23 is installed above the base 21 and is used to support the trough part of the H-shaped steel precast member, ensuring the stability of the precast member during transportation. Fixed by bolts, the connection between the base 21 and the transport vehicle 1 is more firm, effectively preventing the device from loosening or shifting during transportation. The design of the fixing block 23 supports the trough part of the precast member, preventing the precast member from tipping due to unstable center of gravity. The movable plate 24 is installed inside the fixing block 23, and both sides are connected to the inner wall of the fixing block 23 through the return spring 27. The outer wall of the movable plate 24 closely adheres to the inner wall of the fixing block 23, forming a negative pressure space. When the precast member is placed on the fixing block 23, the movable plate 24 will adaptively adjust according to the shape and pressure of the precast member. The combined design of the movable plate 24 and the return spring 27 can adapt to precast members of different shapes and sizes, providing an adaptive fixing force. The return spring 27 ensures that the movable plate 24 can return to its original position after being subjected to an external force, thus enabling repeated use. The connecting pipe 25 passes through the fixing block 23 and communicates with the negative pressure space. The other end of the connecting pipe 25 is installed with a suction cup 28. The suction cup 28 is connected to the negative pressure space through the connecting pipe 25. When the precast member is placed on the fixing block 23, the air pressure in the negative pressure space decreases, and the suction cup 28 adsorbs the precast member through atmospheric pressure. The limiting side plates 26 are symmetrically installed on both sides of the fixing block 23 and are used to limit the lateral movement of the precast member. A stable fixing area is formed between the limiting side plates 26 and the fixing block 23, preventing the precast member from shifting laterally during transportation;

[0041] As Figure 6 shown in Figure 8 Figure, the pressing assembly 3 includes a side cylinder 31 fixedly installed at one end of the fixing block 23. Side grooves 32 are symmetrically opened on both sides of the side cylinder 31. An activity block 33 is movably installed inside the side cylinder 31. Link rods 34 are symmetrically hinged and installed on both sides of the activity block 33. The ends of the two link rods 34 are respectively hinged and installed with the two limiting side plates 26. A first screw cylinder 35 is installed at one end of the side cylinder 31, and a first screw rod 36 is threadedly installed inside the first screw cylinder 35;

[0042] The side cylinder 31 is fixedly installed at one end of the fixed block 23. As the support structure of the entire pressing assembly 3, it provides installation and movement space for the internal movable block 33 and the connecting rod 34, ensuring the structural stability of the pressing assembly 3. At the same time, it provides guidance and restraint for the movement of internal components, preventing the components from shifting or jamming during movement. The side grooves 32 symmetrically opened on both sides of the side cylinder 31 are used to limit the movement direction of the movable block 33, ensuring that the movable block 33 can only move linearly along the trajectory of the side groove 32, preventing it from shifting or shaking during movement, thereby improving the stability and reliability of the pressing assembly 3. The movable block 33 is installed inside the side cylinder 31 and is connected to the limiting side plate 26 through the connecting rod 34. When the movable block 33 moves inside the side cylinder 31, it drives the limiting side plate 26 to move inward or outward through the connecting rod 34, thereby realizing the pressing or loosening of the prefabricated part. The two ends of the connecting rod 34 are respectively hinged to the movable block 33 and the limiting side plate 26, and are used to convert the linear movement of the movable block 33 into the clamping or loosening action of the limiting side plate 26. The design of the connecting rod 34 realizes the transmission and conversion of force through a simple mechanical structure, enabling the pressing assembly 3 to efficiently complete the pressing and loosening operations of the prefabricated part. At the same time, the hinged method can adapt to complex movement trajectories and improve the flexibility of the device. The first screw cylinder 35 is installed at one end of the side cylinder 31, and the first screw 36 is threadedly connected inside it. By rotating the first screw 36, the movable block 33 can be pushed to move along the side groove 32, thereby realizing the pressing or loosening of the prefabricated part. The combined design of the first screw cylinder 35 and the first screw 36 can provide a stable pressing force, and realize precise force adjustment through screw drive, ensuring that the prefabricated part always remains stable during transportation. In addition, the screw drive has self-locking property, which can maintain a stable state after pressing, preventing the pressing force from loosening due to vibration or jolting;

[0043] As Figure 8 shown, the negative pressure driving assembly 4. The negative pressure driving assembly 4 includes a top cylinder 41 fixedly installed at the top of the fixed block 23. The top cylinder 41 is communicated with the negative pressure space. A piston 43 is movably installed inside the top cylinder 41. A second screw cylinder 42 is installed at the top of the top cylinder 41. A second screw 44 is threadedly installed inside the second screw cylinder 42. The bottom end of the second screw 44 is fixedly connected to the bottom end of the piston 43;

[0044] The top cylinder 41 is fixedly installed at the top of the fixed block 23. As the support structure of the entire negative pressure driving assembly 4, it provides installation and movement space for the internal piston 43. At the same time, it is connected to the negative pressure space to ensure that the movement of the piston 43 can directly affect the air pressure in the negative pressure space. The piston 43 is installed inside the top cylinder 41. By closely fitting with the inner wall of the top cylinder 41, the top cylinder 41 is divided into upper and lower chambers. When the piston 43 moves inside the top cylinder 41, it will change the volume of the part of the top cylinder 41 connected to the negative pressure space, thereby changing the air pressure in the negative pressure space. The design of the piston 43 can generate and adjust negative pressure through simple mechanical movement to ensure that the air pressure in the negative pressure space can be accurately controlled as required, providing a stable adsorption force for the suction cup 28. The second screw cylinder 42 is installed at the top of the top cylinder 41 and is internally thread-connected to the second screw 44. Precise force adjustment is achieved through screw drive to ensure that the air pressure in the negative pressure space can be adaptively adjusted according to the shape and size of the prefabricated part, improving the flexibility and adaptability of the device. The bottom end of the second screw 44 is fixedly connected to the piston 43. By rotating the second screw 44, the piston 43 can be pushed to move inside the top cylinder 41, thereby changing the volume of the part of the top cylinder 41 connected to the negative pressure space, enabling the negative pressure driving assembly 4 to efficiently complete the operations of generating and adjusting negative pressure. At the same time, the screw drive has self-locking property, which can maintain a stable state after adjustment and avoid negative pressure loosening caused by vibration or bump;

[0045] The bottom end of the side cylinder 31 is installed with a bottom box 45. Inside the bottom box 45, a pressing plate 46 is movably installed, and the pressing plate 46 contacts the bottom wall of the movable block 33. Below the pressing plate 46, a pressing plate 47 is provided. Compression springs 48 are symmetrically installed between the pressing plate 46 and the pressing plate 47. A connecting frame 49 is installed outside the pressing plate 47. One end of the connecting frame 49 is rotatably installed on the outside of the second screw 44. Two limit plates are installed on the second screw 44, and the two limit plates are respectively arranged on the upper and lower sides of one end of the connecting frame 49;

[0046] The bottom box 45 is installed at the bottom end of the side cylinder 31 and serves as the bottom support structure of the entire pressing assembly 3, providing installation and moving space for the internal pressing plate 46 and the pressing plate 47. The pressing plate 46 is installed inside the bottom box 45 and contacts the bottom wall of the movable block 33. When the movable block 33 moves inside the side cylinder 31, force is transmitted to the inside of the bottom box 45 through the pressing plate 46, thereby realizing the pressing of the prefabricated part. The pressing plate 47 is arranged below the pressing plate 46 and is connected to the pressing plate 46 through a pressing spring 48. The pressing plate 47 is connected to the second screw rod 44 through a connecting frame 49. When the second screw rod 44 rotates, the pressing plate 47 drives the pressing plate 46 to move up or down, thereby realizing the pressing or loosening of the prefabricated part. The pressing spring 48 is installed between the pressing plate 46 and the pressing plate 47 and is used to provide elastic force. When the pressing plate 47 moves downward, the pressing spring 48 is compressed and stores elastic potential energy; when the pressing plate 47 moves upward, the pressing spring 48 releases elastic potential energy to help the pressing plate 46 return to its original position. One end of the connecting frame 49 is installed on the outside of the pressing plate 47, and the other end is rotatably installed on the outside of the second screw rod 44. The connecting frame 49 is used to combine the movement of the pressing plate 47 with the rotation of the second screw rod 44 to realize the transmission and conversion of force. The limiting plate is installed on the second screw rod 44 and is respectively arranged on the upper and lower sides of one end of the connecting frame 49 to limit the movement range of the connecting frame 49 and ensure that the connecting frame 49 will not have excessive deviation or jamming during the movement;

[0047] As Figure 1 - Figure 3 shown, a spacing adjustment assembly 5 is provided inside the transport vehicle 1. The spacing adjustment assembly 5 includes a chute 51 opened inside the transport vehicle 1. A slider 52 is slidably connected to the chute 51. A vertical plate 53 is fixedly connected to the top end of the transport vehicle 1. A linear moving block 54 is slidably connected inside the vertical plate 53. A lead screw 55 is threadedly connected inside the linear moving block 54. One end of the lead screw 55 is fixedly connected to a clamping post 56, and the other end of the lead screw 55 is fixedly connected to a turning handle 57. One end of the clamping post 56 is engaged with the outside of the fixed block 23;

[0048] The slide groove 51 is provided inside the transport vehicle 1, which ensures the stability of the movement trajectory of the slider 52 and prevents the slider 52 from deflecting or shaking during the movement, thereby improving the stability of the entire spacing adjustment assembly 5. The slider 52 is slidably connected to the slide groove 51, and as a moving part of the spacing adjustment assembly 5, it can move along the slide groove 51, thereby driving other parts connected thereto to move together. The vertical plate 53 is fixedly connected to the top of the transport vehicle 1, and as a supporting structure for the linear moving block 54 and the screw rod 55, it provides a stable installation foundation for the rotation of the screw rod 55 and the movement of the linear moving block 54. The linear moving block 54 is slidably connected to the inside of the vertical plate 53, and the internal thread is connected to the screw rod 55. When the screw rod 55 rotates, the linear moving block 54 can move linearly along the guide of the vertical plate 53, thereby driving the slider 52 and the fixed block 23 connected thereto to move synchronously. The screw rod 55 is connected to the linear moving block 54 through a thread. When the screw rod 55 rotates, it can drive the linear moving block 54 to move linearly along the guide of the vertical plate 53, so as to achieve precise adjustment of the spacing of the fixed block 23. The screw rod 55 transmission has high precision and self-locking properties, and can maintain a stable state after adjustment to avoid changes in the spacing due to vibration or bumps. One end of the column 56 is engaged with the outer side of the fixed block 23 to transmit the rotational movement of the screw rod 55 to the fixed block 23, thereby driving the fixed block 23 to move along the slide groove 51. At the same time, the engagement method can prevent the fixed block 23 from deviating or shaking during the movement, thereby improving the accuracy and stability of the spacing adjustment. The turning handle 57 is fixedly connected to the other end of the screw rod 55 for manual operation to rotate the screw rod 55.

[0049] How it works

[0050] like Figure 1 - Figure 8 As shown;

[0051] When transporting the H-shaped steel prefabricated parts, first use the spacing adjustment component 5 to adjust the spacing between the fixing blocks 23 to adapt to H-shaped steel prefabricated parts of different sizes. The specific operation is as follows: Rotate the screw rod 55 through the turning handle 57. The rotation of the screw rod 55 drives the linear moving block 54 threadedly connected thereto to perform a linear motion along the guide of the vertical plate 53. The movement of the linear moving block 54 drives the fixing block 23 to move synchronously along the chute 51 through the sliding of the slider 52 on the chute 51 until the spacing between the fixing blocks 23 matches the size of the H-shaped steel prefabricated parts. Next, fix multiple bases 21 on the transport vehicle 1 through bolts to provide a stable support foundation for the entire fixing device. Place the H-shaped steel prefabricated parts above the bases 21 to ensure that the fixing blocks 23 are located inside the grooves under the H-shaped steel prefabricated parts. Subsequently, by turning the first screw rod 36, since the first screw rod 36 is threadedly connected to the first screw cylinder 35, the first screw rod 36 moves towards the fixing block 23 side, generating pressure on the movable block 33. Under the action of the pressure, the movable block 33 moves towards the fixing block 23 side, and two limiting side plates 26 are pushed away from each other through two connecting rods 34. The suction cups 28 on the limiting side plates 26 contact the inner walls on both sides of the lower groove of the H-shaped steel prefabricated parts. Next, turn the upper second screw rod 44. Since the second screw rod 44 is threadedly connected to the piston 43, the piston 43 is pulled to move upward. The suction cups 28 are closely attached to the inner wall of the lower groove of the H-shaped steel prefabricated parts. When the piston 43 moves upward, the air density in the negative pressure space decreases, and the suction cups 28 adsorb and fix the H-shaped steel prefabricated parts through negative pressure. When the second screw rod 44 moves upward, the connecting frame 49 moves upward accordingly. The connecting frame 49 is fixedly connected to the pressing plate 47, thereby pulling the pressing plate 47 to move upward. The pressing plate 46 above the pressing plate 47 contacts the bottom wall of the movable block 33, causing the pressing spring 48 to be compressed. Under the elastic force of the pressing spring 48, the pressing plate 46 presses and fixes the movable block 33, thereby fixing the position of the limiting side plate 26 and further enhancing the fixing effect on the H-shaped steel prefabricated parts.

[0052] The above is only a preferred embodiment of the present invention and is not a limitation of the present invention in other forms. Any person skilled in the art may use the disclosed technical content to make changes or modifications into equivalent embodiments with equivalent changes and apply them to other fields. However, as long as it does not depart from the technical solution content of the present invention, any simple modification, equivalent change, and modification made to the above embodiments based on the technical essence of the present invention still fall within the protection scope of the technical solution of the present invention.

Claims

1. A transport and fixing device for prefabricated steel structures, comprising a transport vehicle (1); characterized in that: The transport vehicle (1) is provided with a spacing adjustment component (5) inside; A prefabricated component fixing assembly (2), the prefabricated component fixing assembly (2) comprising a base (21) equidistantly mounted on a transport vehicle (1), a fixing block (23) being mounted on the top of the base (21), positioning holes (22) being provided at four corners of the base (21), and the transport vehicle (1) and the base (21) being fixedly connected by bolts; The H-shaped steel prefabricated part is composed of a horizontal plate and two vertical plates, and two troughs are formed on the H-shaped steel prefabricated part. When the H-shaped steel prefabricated part is placed, the fixing block (23) is located in the trough below the H-shaped steel prefabricated part. A clamping assembly (3), the clamping assembly (3) comprising a side tube (31) fixedly mounted on one end of a fixed block (23), side grooves (32) being symmetrically provided on both sides of the side tube (31), a movable block (33) being movably mounted inside the side tube (31), connecting rods (34) being symmetrically hingedly mounted on both sides of the movable block (33), the ends of the two connecting rods (34) being hingedly mounted on two limiting side plates (26) respectively, a first screw barrel (35) being mounted on one end of the side tube (31), and a first screw rod (36) being threadedly mounted on the internal surface of the first screw barrel (35); A negative pressure drive assembly (4), the negative pressure drive assembly (4) comprising a top tube (41) fixedly mounted on the top of a fixed block (23), the top tube (41) being connected to a negative pressure space, a piston (43) being movably mounted inside the top tube (41), a second screw tube (42) being mounted at the top of the top tube (41), a second screw rod (44) being threadedly mounted inside the second screw tube (42), and the bottom end of the second screw rod (44) being fixedly connected to the bottom end of the piston (43).

2. A steel structure prefabricated component transportation and fixing device according to claim 1, characterized in that: Two movable plates (24) are symmetrically and movably mounted inside the fixed block (23); connecting pipes (25) are symmetrically mounted on the sides of the two movable plates (24) that are away from each other; and the connecting pipes (25) penetrate to the outside of the fixed block (23).

3. A steel structure prefabricated component transportation and fixing device according to claim 2, characterized in that: A limiting side plate (26) is installed at one end of the connecting pipe (25) away from the movable plate (24), and the two limiting side plates (26) are symmetrically arranged on both sides of the fixed block (23).

4. A steel structure prefabricated component transport and fixing device according to claim 2, characterized in that: The outer wall of the movable plate (24) is in close contact with the inner wall of the fixed block (23), a negative pressure space is formed between the two movable plates (24), and the connecting pipe (25) is in communication with the negative pressure space.

5. The steel structure prefabricated component transportation and fixing device according to claim 2, characterized in that: A suction cup (28) is symmetrically mounted on one side of the limiting side plate (26) away from the movable plate (24), and the suction cup (28) is connected to the connecting pipe (25).

6. The steel structure prefabricated component transportation and fixing device according to claim 2, characterized in that: A return spring (27) is symmetrically installed on the side of the two movable plates (24) that are away from each other, and one end of the return spring (27) is fixedly connected to the inner cavity side wall of the fixed block (23). A bottom box (45) is installed at the bottom end of the side tube (31), and a clamping plate (46) is movably installed inside the bottom box (45), and the clamping plate (46) is in contact with the bottom wall of the movable block (33).

7. A steel structure prefabricated component transportation and fixing device according to claim 6, characterized in that: A pressing plate (47) is arranged below the pressing plate (46), and a pressing spring (48) is symmetrically installed between the pressing plate (46) and the pressing plate (47).

8. The steel structure prefabricated component transportation and fixing device according to claim 7, characterized in that: A connecting frame (49) is installed on the outer side of the pressing plate (47), one end of the connecting frame (49) is rotatably installed on the outer side of the second screw rod (44), and two limit plates are installed on the second screw rod (44), and the two limit plates are respectively arranged on the upper and lower sides of one end of the connecting frame (49).

9. The steel structure prefabricated component transportation and fixing device according to claim 7, characterized in that: The spacing adjustment component (5) comprises a slide groove (51) provided inside the transport vehicle (1), a slider (52) being slidably connected to the slide groove (51), a vertical plate (53) being fixedly connected to the top of the transport vehicle (1), a linear moving block (54) being slidably connected inside the vertical plate (53), a screw rod (55) being internally threadedly connected to the linear moving block (54), one end of the screw rod (55) being fixedly connected to a clamping column (56), the other end of the screw rod (55) being fixedly connected to a turning handle (57), one end of the clamping column (56) being engaged with the outer side of the fixed block (23).

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