Prefabricated stair assembly hoisting device

Abstract

The application belongs to the technical field of prefabricated stair hoisting, in particular to a prefabricated stair assembly hoisting device, which comprises a fixed block, an electric cylinder is fixedly connected inside the fixed block, a connecting rod is fixedly connected to the output end of the electric cylinder, the fixed block is installed with the external force auxiliary hoisting device, is used for supporting the hoisting of the prefabricated stair, the hoisting plate is pressed on the middle top end of the prefabricated stair, two groups of hoisting bolts are used for threadedly connecting the inside of the prefabricated stair, the effect of stably hoisting the prefabricated stair is achieved, a first threaded rod and a second threaded rod are used for threadedly connecting a first side plate and a second side plate with the prefabricated stair respectively, the effect of fixedly hoisting the two sides of the prefabricated stair is achieved, the slide frame is slid on the outside of the connecting rod, two groups of supporting plates are used for supporting the bottom end of the prefabricated stair, the safety of the hoisting of the prefabricated stair is improved, the limiting bolt is used for threadedly connecting the inside of the slide frame, and the effect of limiting the slide frame is achieved.

Description

Technical Field

[0001] This invention belongs to the field of prefabricated staircase hoisting technology, specifically a prefabricated staircase assembly and hoisting equipment. Background Technology

[0002] Prefabricated concrete construction has become a trend in the development of building industrialization in recent years. Prefabricated buildings require the use of many prefabricated components during construction, among which prefabricated stairs are a common concrete component in prefabricated buildings.

[0003] Currently, during the assembly of prefabricated stairs, due to their large size, construction tools are needed for hoisting. The hoisting, moving, and assembly of prefabricated stairs generally involves using hoisting ropes.

[0004] When assembling and hoisting prefabricated stairs, the hoisting equipment and ropes currently used can cause the prefabricated stairs to sway during hoisting and movement, making it difficult to accurately align the prefabricated stairs, which is inconvenient for installation. Furthermore, if the prefabricated stairs sway significantly, it can easily cause safety hazards.

[0005] Therefore, the present invention provides a prefabricated staircase assembly and hoisting device. Summary of the Invention

[0006] In order to overcome the shortcomings of the prior art, at least one technical problem raised in the background art is solved.

[0007] The technical solution adopted by this invention to solve its technical problem is as follows: A prefabricated staircase assembly and hoisting device of this invention includes a fixing block; an electric cylinder is fixedly connected inside the fixing block; a connecting rod is fixedly connected to the output end of the electric cylinder; a hoisting plate is fixedly connected to the bottom end of the connecting rod; two sets of holes are opened inside the hoisting plate; two sets of hoisting bolts are threadedly connected inside the hoisting plate; an auxiliary hoisting component is provided outside the output end of the electric cylinder, which is used to assist in hoisting the prefabricated staircase; the two sets of hoisting bolts pass through the holes opened in the hoisting plate and are threadedly connected inside the prefabricated staircase, thus further reinforcing the prefabricated staircase in conjunction with the auxiliary hoisting component, reducing swaying during hoisting, improving the safety of hoisting the prefabricated staircase, and then the prefabricated staircase can be hoisted. After hoisting, the pre-reserved holes in the prefabricated staircase can be filled.

[0008] Preferably, the auxiliary hoisting assembly includes a support block, a first side plate, a first threaded rod, a second side plate, and a second threaded rod; the support block is fixed to the outside of the output end of the electric cylinder; the first side plate is fixed to the outside of the support block; the first threaded rod is threaded to the inner wall of the first side plate; the second side plate is fixed to the outside of the support block; and the second threaded rod is threaded to the inner wall of the second side plate. This serves to reinforce the two ends of the prefabricated staircase, reducing the swaying of the two ends during hoisting. Simultaneously, the first and second threaded rods can be used to assemble different models of prefabricated staircases.

[0009] Preferably, the connecting rod is slidably connected to a carriage; the carriage is slidably connected to a backing plate, and two sets of backing plates are provided; the carriage is threadedly connected to a No. 1 nut, and two sets of No. 1 nuts are provided; a limiting component is provided inside the connecting rod, which is used to fix the carriage; this improves the stability of the prefabricated staircase hoisting, reduces safety hazards during hoisting, and the backing plate slides outside the carriage, allowing for the assembly of prefabricated staircases of different thicknesses.

[0010] Preferably, the limiting component includes a limiting hole and a limiting bolt; the limiting hole is opened on the outside of the connecting rod, and multiple sets of limiting holes are opened; the limiting bolt is threaded into the inside of the connecting rod, and the limiting bolt passes through the slide; it serves to limit the assembly position of the slide, which facilitates the adaptive fixing of prefabricated stairs of different thicknesses.

[0011] Preferably, a rod is fixedly connected to the bottom end of the hoisting plate; a mating plate is slidably connected to the outside of the rod, and the mating plate is slidably connected to the outside of the slide; a No. 2 nut is threadedly connected to the outside of the rod, and the No. 2 nut is located at the bottom end of the mating plate; when hoisting a thicker precast staircase, in order to reduce the slippage of the precast staircase during hoisting, the rod is used to penetrate the middle of the precast staircase, and the mating plate is respectively fitted onto the outside of the slide and the rod, and threadedly connected to the rod with a No. 2 nut, and fixed at the bottom end of the mating plate, thereby improving the stability of the precast staircase hoisting and reducing the slippage of the precast staircase during hoisting.

[0012] Preferably, the abutment plate is internally threaded with a fixing frame; the inner wall of the fixing frame is slidably connected with a baffle; an elastic element is sleeved on the outside of the baffle, and one end of the elastic element is fixed to the outside of the fixing frame; an infrared sensor is installed inside the baffle; the infrared sensor is installed on the inner wall of the baffle to monitor the distance between other objects and the prefabricated staircase, and provides real-time warnings. When a collision occurs on the side of the prefabricated staircase during hoisting, the baffle can collide first, and the elastic force of the elastic element reduces the degree of wear from the collision, thus playing a role in early warning of collisions during hoisting.

[0013] Preferably, a first collar is fixedly connected to the outside of the electric cylinder, and two sets of the first collar are provided; a second collar is fixedly connected to the top of the slide, and two sets of the second collar are provided; a fixing rope is wound around the first collar and the second collar; the fixing rope is made of flexible and tough material, and multiple strands can be used when the prefabricated staircase is too heavy, so as to reinforce the support components on both sides and improve the safety of the prefabricated staircase hoisting.

[0014] Preferably, an electric slider is fixedly connected to the top of the fixing block; an assembly frame is slidably connected to the outside of the electric slider; the assembly frame is used to assemble and fix with external force equipment, mainly to support the entire hoisting equipment. After the electric slider is energized, it slides on the inner wall of the assembly frame, driving the fixing block to slide to a different position, which is used to facilitate the calibration of the installation position of the prefabricated stairs.

[0015] Preferably, an anti-slip pad is fixed to the top of the abutment plate; the anti-slip pad is made of a flexible material; it plays a role in preventing the prefabricated stairs from slipping during hoisting, and at the same time, the flexible material of the anti-slip pad reduces the wear and tear on the abutment plate and the prefabricated stairs during hoisting.

[0016] Preferably, the insert rod has an internal threaded connection with a hole opener; the hole opener is conical in shape; this reduces the impact of blocked holes on the hoisting of prefabricated stairs, and the hole opener can be installed inside the hoisting bolts, the first threaded rod, and the second threaded rod for unblocking the blocked holes.

[0017] The beneficial effects of this invention are as follows:

[0018] 1. The prefabricated staircase assembly and hoisting equipment of the present invention uses a fixed block and an external force-assisted hoisting device to support the hoisting of the prefabricated staircase. A hoisting plate is pressed onto the top middle part of the prefabricated staircase, and two sets of hoisting bolts are threaded through the hoisting plate to fix the inside of the prefabricated staircase, which plays a role in stabilizing the hoisting of the prefabricated staircase. The first and second threaded rods are respectively threaded to the first and second side plates of the prefabricated staircase, which achieves the effect of fixing the hoisting of the two sides of the prefabricated staircase. A slide is slid outside the connecting rod, and two sets of abutment plates support the bottom of the prefabricated staircase to improve the safety of the hoisting of the prefabricated staircase. The limiting bolts are threaded through the connecting rod of the slide and play a role in limiting the position of the slide. The mating plates are respectively assembled on the outside of the insert rod and the slide to further improve the stability of the hoisting of the prefabricated staircase.

[0019] 2. The prefabricated staircase assembly and hoisting equipment of the present invention uses infrared sensors to monitor the prefabricated staircase during hoisting, reducing collisions between the prefabricated staircase and other objects. When the two sides of the prefabricated staircase collide with other objects, the baffles slide against the inner wall of the fixed frame first, thus protecting the prefabricated staircase. Two sets of fixed ropes are connected to both sides of the electric cylinder to reinforce the hoisting equipment. The electric slider drives the fixed block to slide against the inner wall of the assembly frame, facilitating the assembly, positioning and calibration of the prefabricated staircase. Anti-slip pads are fixed to the top of the support plate to reduce slippage during hoisting of the prefabricated staircase. Attached Figure Description

[0020] The invention will now be further described with reference to the accompanying drawings.

[0021] Figure 1 This is a perspective view of the present invention;

[0022] Figure 2 This is a schematic diagram of the connecting rod in this invention;

[0023] Figure 3 This is a schematic diagram of the carriage structure in this invention;

[0024] Figure 4 This is a schematic diagram of the structure of the fixing rope in this invention;

[0025] Figure 5 This is a schematic diagram of the baffle structure in this invention;

[0026] Figure 6 This is a schematic diagram of the assembly frame in this invention;

[0027] Figure 7 This is a schematic diagram of the insertion rod in Embodiment 2 of the present invention.

[0028] In the diagram: 1. Fixing block; 11. Electric cylinder; 12. Connecting rod; 13. Lifting plate; 14. Lifting bolt; 2. Support block; 21. Side plate No. 1; 22. Threaded rod No. 1; 23. Side plate No. 2; 24. Threaded rod No. 2; 3. Slide; 31. Support plate; 32. Nut No. 1; 4. Limiting hole; 41. Limiting bolt; 5. Insert rod; 51. Mating plate; 52. Nut No. 2; 6. Fixing frame; 61. Baffle; 62. Elastic element; 63. Infrared sensor; 7. Collar No. 1; 71. Collar No. 2; 72. Fixing rope; 8. Assembly frame; 81. Electric slider; 9. Anti-slip pad; 91. Hole opener. Detailed Implementation

[0029] To make the technical means, creative features, objectives and effects of this invention easier to understand, the invention will be further described below in conjunction with specific embodiments.

[0030] Example 1

[0031] like Figures 1 to 4 As shown in the embodiment of the present invention, a prefabricated staircase assembly and hoisting device includes a fixing block 1; an electric cylinder 11 is fixedly connected inside the fixing block 1; a connecting rod 12 is fixedly connected to the output end of the electric cylinder 11; a hoisting plate 13 is fixedly connected to the bottom end of the connecting rod 12; two sets of holes are opened inside the hoisting plate 13; hoisting bolts 14 are threadedly connected inside the hoisting plate 13, and two sets of hoisting bolts 14 are provided; the two sets of hoisting bolts 14 are used to connect the hoisting plate 13 and the prefabricated staircase; an auxiliary hoisting component is provided outside the output end of the electric cylinder 11, which is used to assist in hoisting the prefabricated staircase; when assembling and hoisting the prefabricated staircase, because the hoisting equipment currently used is equipped with hoisting ropes, the prefabricated staircase is prone to swaying during the hoisting and movement process, making it difficult to accurately align the prefabricated staircase. To facilitate installation and operation, and to address the safety hazards posed by significant swaying of prefabricated stairs, this embodiment of the invention uses a fixed block 1 as a frame for assembly with large equipment. Pre-drilled holes for hoisting are pre-drilled on the prefabricated stairs. The output end of the electric cylinder 11 extends, causing the connecting rod 12 to slide down towards the middle of the prefabricated stairs. The two sets of holes in the hoisting plate 13 are aligned with the pre-drilled holes in the prefabricated stairs. Two sets of hoisting bolts 14 are then threaded through the holes in the hoisting plate 13 and connected to the inside of the prefabricated stairs. This, combined with auxiliary hoisting components, further reinforces the prefabricated stairs, reducing swaying during hoisting and improving the safety of the hoisting process. The prefabricated stairs can then be hoisted. After hoisting, the pre-drilled holes in the prefabricated stairs are filled.

[0032] The auxiliary hoisting assembly includes a support block 2, a first side plate 21, a first threaded rod 22, a second side plate 23, and a second threaded rod 24. The support block 2 is fixed to the outside of the output end of the electric cylinder 11. The first side plate 21 is fixed to the outside of the support block 2. The first threaded rod 22 is threaded to the inner wall of the first side plate 21. The second side plate 23 is fixed to the outside of the support block 2. The second threaded rod 24 is threaded to the inner wall of the second side plate 23. The first side plate 21 and the second side plate 23 are used to fix the two sides of the prefabricated staircase. When assembling and hoisting prefabricated stairs, in order to reduce the swaying at both ends of the prefabricated stairs, after fixing the middle position of the prefabricated stairs, the first side plate 21 and the second side plate 23 on both sides of the support block 2 are located at the two ends of the prefabricated stairs, respectively, and are connected to the prefabricated stairs by the first threaded rod 22 and the second threaded rod 24, respectively. This serves to reinforce the two ends of the prefabricated stairs and reduce the swaying at both ends of the prefabricated stairs during hoisting. At the same time, the first threaded rod 22 and the second threaded rod 24 can be used to assemble prefabricated stairs of different models.

[0033] The connecting rod 12 is externally slidably connected to a slide frame 3; the slide frame 3 is externally slidably connected to a backing plate 31, and two sets of backing plates 31 are provided; the backing plate 31 is used to support the bottom end of the precast staircase; the slide frame 3 is externally threadedly connected to a first-number nut 32, and two sets of first-number nut 32 are provided; a limiting component is provided inside the connecting rod 12, which is used to fix the slide frame 3; when hoisting the precast staircase, in order to improve the stability of the hoisting of the precast staircase, when the precast staircase is hoisted, a limiting component is provided inside the connecting rod 12 to fix the slide frame 3; when hoisting the precast staircase, in order to improve the stability of the hoisting of the precast staircase, a limiting component is provided inside the connecting rod 12 to fix the precast staircase. After the middle part of the staircase is fixed, the slide 3 slides on the outside of the connecting rod 12, and the two sets of abutment plates 31 slide on the outside of both sides of the slide 3 and are placed at the bottom of the prefabricated staircase. The two sets of abutment plates 31 are fixed by the two sets of No. 1 nuts 32 respectively. The two sets of abutment plates 31, together with the hoisting plate 13, clamp and fix the prefabricated staircase, improve the stability of the hoisting of the prefabricated staircase, and reduce the safety hazards during hoisting. At the same time, the abutment plates 31 slide on the outside of the slide 3, which can be used to assemble prefabricated staircases of different thicknesses.

[0034] like Figures 1 to 3 As shown, the limiting component includes a limiting hole 4 and a limiting bolt 41; the limiting hole 4 is opened on the outside of the connecting rod 12, and multiple sets of limiting holes 4 are opened; the limiting bolt 41 is threadedly connected to the inside of the connecting rod 12, and the limiting bolt 41 passes through the slide 3; when hoisting prefabricated stairs of different thicknesses, the slide 3 slides on the outside of the connecting rod 12, and the limiting bolt 41 passes through the slide 3 and is threadedly connected to the inside of the connecting rod 12, located at the limiting hole 4 opened on the connecting rod 12, which plays the role of limiting the assembly position of the slide 3, and facilitates the adaptive fixing of prefabricated stairs of different thicknesses.

[0035] The bottom end of the lifting plate 13 is fixedly connected to a plug rod 5; a mating plate 51 is slidably connected to the outside of the plug rod 5, and the mating plate 51 is slidably connected to the outside of the slide 3; a second nut 52 is threadedly connected to the outside of the plug rod 5, and the second nut 52 is located at the bottom end of the mating plate 51; when lifting a thicker precast staircase, in order to reduce the slippage of the precast staircase during lifting, the plug rod 5 is used to penetrate the middle of the precast staircase, and the mating plate 51 is respectively fitted on the outside of the slide 3 and the plug rod 5, and the second nut 52 is threadedly connected to the plug rod 5 and fixed at the bottom end of the mating plate 51, thereby improving the stability of the precast staircase lifting and reducing the slippage of the precast staircase during lifting.

[0036] like Figure 1 , Figure 2 and Figure 5As shown, the inner thread of the abutment plate 31 is connected to a fixing frame 6; the inner wall of the fixing frame 6 is slidably connected to a baffle 61; the baffle 61 is used to protect both sides of the precast staircase; an elastic element 62 is sleeved on the outside of the baffle 61, and one end of the elastic element 62 is fixed to the outside of the fixing frame 6; an infrared sensor 63 is installed inside the baffle 61; when the precast staircase is hoisted, two sets of fixing frames 6 are respectively fixed on two sets of abutment plates 31, relying on the baffle 61 to slide on the inner wall of the fixing frame 6, and supported by the elastic element 62; the infrared sensor 63 is installed on the inner wall of the baffle 61 to monitor the distance between other objects and the precast staircase, and provides real-time warnings; when a collision occurs on the side of the precast staircase during hoisting, the baffle 61 can collide first, relying on the elastic force of the elastic element 62 to reduce the degree of wear from the collision, thus playing a role in early warning of collision during hoisting.

[0037] like Figure 1 , Figure 2 and Figure 4 As shown, a first collar 7 is fixedly connected to the outside of the electric cylinder 11, and two sets of the first collar 7 are provided; a second collar 71 is fixedly connected to the top of the slide 3, and two sets of the second collar 71 are provided; a fixing rope 72 is wound around the first collar 7 and the second collar 71; after the middle and both sides of the prefabricated staircase are fixed, in order to improve the supporting force of the entire hoisting equipment, two sets of first collars 7 and two sets of second collars 71 are respectively fixed to the fixing block 1 and the slide 3. One set of fixing ropes 72 is connected to the first collar 7 and the second collar 71, and the fixing ropes 72 pass through the first side plate 21. The other set of fixing ropes 72 is also connected to the first collar 7 and the second collar 71, and the fixing ropes 72 pass through the second side plate 23. The fixing ropes 72 are made of flexible and tough material. When the prefabricated staircase is too heavy, multiple strands can be used to reinforce the supporting components on both sides and improve the safety of hoisting the prefabricated staircase.

[0038] like Figures 1 to 4 , Figure 6 As shown, an electric slider 81 is fixedly connected to the top of the fixing block 1; an assembly frame 8 is slidably connected to the outside of the electric slider 81; when the prefabricated staircase is hoisted, in order to facilitate the calibration of the installation position of the prefabricated staircase, the assembly frame 8 is used to assemble and fix with the external force equipment, mainly to support the entire hoisting equipment. After the electric slider 81 is energized, it slides on the inner wall of the assembly frame 8, driving the fixing block 1 to slide, which is used to facilitate the calibration of the installation position of the prefabricated staircase.

[0039] like Figures 1 to 3As shown, an anti-slip pad 9 is fixed to the top of the abutment plate 31; the anti-slip pad 9 is made of a flexible material; when the abutment plate 31 is installed at the bottom of the prefabricated staircase, in order to improve the stability of the abutment plate 31 in the assembly of the prefabricated staircase, the anti-slip pad 9 is fixed at the top of the abutment plate 31 and clamped between the prefabricated staircase and the abutment plate 31, so as to play an anti-slip effect on the prefabricated staircase during hoisting. At the same time, the flexible material of the anti-slip pad 9 reduces the wear and tear caused by the hoisting of the abutment plate 31 and the prefabricated staircase.

[0040] Example 2

[0041] like Figure 7 As shown in the comparative embodiment one, another embodiment of the present invention is as follows: the insert rod 5 is internally threaded with a hole opener 91; the hole opener 91 is conical in shape; when the prefabricated staircase is hoisted, if the pre-reserved assembly holes of the prefabricated staircase are blocked, while the insert rod 5 extends down to block the hole, the hole opener 91 internally threaded on the insert rod 5 is used to puncture the blocked hole with the conical bottom end of the hole opener 91, reducing the impact of the blocked hole on the hoisting of the prefabricated staircase. At the same time, the hole opener 91 can be installed inside the hoisting bolt 14, the first threaded rod 22 and the second threaded rod 24 for unblocking the blocked hole.

[0042] During the assembly and hoisting of the precast staircase, the fixed block 1 serves as the frame for assembly with large equipment. Hoisting holes are pre-drilled on the precast staircase. The output end of the electric cylinder 11 extends, causing the connecting rod 12 to slide down towards the middle of the precast staircase. The two sets of holes in the hoisting plate 13 are aligned with the pre-drilled holes in the precast staircase. Two sets of hoisting bolts 14 are then threaded through the holes in the hoisting plate 13 and connected to the inside of the precast staircase. This, combined with auxiliary hoisting components, further reinforces the precast staircase, reducing swaying during hoisting and improving safety. The precast staircase can then be hoisted. After hoisting, the pre-drilled holes are filled. The first and second side plates 21 on both sides of the support block 2 are then used to complete the process. Side plates 23 are located at both ends of the precast staircase, respectively connected to the precast staircase by threaded rods 22 and 24, reinforcing both ends of the precast staircase and reducing swaying during hoisting. Threaded rods 22 and 24 can also be used to assemble different models of precast staircases. Using a sliding frame 3 sliding outside the connecting rod 12, two sets of abutment plates 31 are slidable on both sides of the sliding frame 3 and placed at the bottom of the precast staircase. Two sets of nuts 32 secure the abutment plates 31. The two sets of abutment plates 31, together with the hoisting plate 13, clamp and fix the precast staircase, improving the stability of hoisting and reducing safety hazards during hoisting. The abutment plates 31 slide on the sliding frame... The exterior of the slide 3 allows for the assembly of precast stairs of varying thicknesses. The slide 3 slides on the exterior of the connecting rod 12, and a limiting bolt 41 passes through the slide 3 and is threaded into the interior of the connecting rod 12, located at the limiting hole 4 in the connecting rod 12. This limits the assembly position of the slide 3, facilitating adaptable fixing of precast stairs of different thicknesses. A plug rod 5 passes through the middle of the precast stairs, and a mating plate 51 is fitted onto the exterior of both the slide 3 and the plug rod 5. A second nut 52 is threaded onto the plug rod 5 and fixed at the bottom of the mating plate 51, improving the stability of the precast stairs during hoisting and reducing the risk of slippage. Two sets of fixing brackets 6 are fixed to two sets of abutment plates 31, and the baffle 61 slides on the fixed plate. The inner wall of the fixed frame 6 is supported by elastic element 62. Infrared sensor 63 is installed on the inner wall of baffle 61 to monitor the distance between other objects and the prefabricated stairs and provide real-time warnings. When a collision occurs on the side of the prefabricated stairs during hoisting, baffle 61 can collide first, relying on the elastic force of elastic element 62 to reduce the degree of wear from the collision. It plays a role in early warning of collisions during hoisting. Two sets of first collar 7 and two sets of second collar 71 are fixed to the fixed block 1 and the slide 3 respectively. One set of fixing rope 72 is connected to the first collar 7 and the second collar 71, and the fixing rope 72 passes through the first side plate 21. The other set of fixing rope 72 is also connected to the first collar 7 and the second collar 71, and the fixing rope 72 passes through the second side plate 23. The fixing rope 72 is made of flexible and tough material.When the precast staircase is too heavy, multiple strands can be used to reinforce the support components on both sides, improving the safety of hoisting the precast staircase. The assembly frame 8 is used to assemble and fix it to external force equipment, mainly to support the entire hoisting equipment. When the electric slider 81 is energized, it slides on the inner wall of the assembly frame 8, causing the fixing block 1 to slide, facilitating the calibration of the precast staircase's installation position. Anti-slip pads 9 are fixed to the top of the support plate 31, clamping between the precast staircase and the support plate 31, providing an anti-slip effect during hoisting. Simultaneously, the flexible material of the anti-slip mat 9 reduces wear and tear on the support plate 31 during the hoisting of the prefabricated staircase. If the pre-drilled assembly holes in the prefabricated staircase become clogged, the insert rod 5 extends downwards into the clogged hole, while the hole opener 91, connected internally to the insert rod 5, punctures the clogged hole with its conical bottom end, reducing the impact of the clogged hole on the hoisting of the prefabricated staircase. The hole opener 91 can also be fitted inside the hoisting bolt 14, the first threaded rod 22, and the second threaded rod 24 for unclogging clogged holes.

[0043] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of the invention. Various changes and modifications can be made to the invention without departing from its spirit and scope, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of protection of the present invention is defined by the appended claims and their equivalents.

Claims

1. A prefabricated staircase assembly and hoisting equipment, characterized in that: The device includes a fixing block (1); an electric cylinder (11) is fixedly connected inside the fixing block (1); a connecting rod (12) is fixedly connected to the output end of the electric cylinder (11); a lifting plate (13) is fixedly connected to the bottom end of the connecting rod (12); two sets of holes are opened inside the lifting plate (13); two sets of lifting bolts (14) are threaded inside the lifting plate (13); an auxiliary lifting assembly is provided outside the output end of the electric cylinder (11), which is used to assist in the lifting of the prefabricated stairs. The auxiliary hoisting assembly includes a support block (2), a first side plate (21), a first threaded rod (22), a second side plate (23), and a second threaded rod (24); the support block (2) is fixed to the outside of the output end of the electric cylinder (11); the first side plate (21) is fixed to the outside of the support block (2); the first threaded rod (22) is threaded to the inner wall of the first side plate (21); the second side plate (23) is fixed to the outside of the support block (2); and the second threaded rod (24) is threaded to the inner wall of the second side plate (23). The connecting rod (12) is slidably connected to a slide (3); the slide (3) is slidably connected to a stop plate (31), and two sets of stop plates (31) are provided; the slide (3) is threadedly connected to a first nut (32), and two sets of first nut (32) are provided; the connecting rod (12) is provided with a limiting component inside, which is used to fix the slide (3); The bottom end of the lifting plate (13) is fixedly connected to a plug rod (5); the plug rod (5) is slidably connected to a mating plate (51), and the mating plate (51) is slidably connected to the outside of the slide (3); the plug rod (5) is threadedly connected to a second nut (52), and the second nut (52) is located at the bottom end of the mating plate (51).

2. The prefabricated staircase assembly and hoisting equipment according to claim 1, characterized in that: The limiting component includes a limiting hole (4) and a limiting bolt (41); the limiting hole (4) is opened on the outside of the connecting rod (12), and multiple sets of limiting holes (4) are opened; the limiting bolt (41) is threadedly connected to the inside of the connecting rod (12), and the limiting bolt (41) passes through the carriage (3).

3. The prefabricated staircase assembly and hoisting equipment according to claim 1, characterized in that: The inner thread of the abutment (31) is connected to a fixing frame (6); the inner wall of the fixing frame (6) is slidably connected to a baffle (61); an elastic element (62) is sleeved on the outside of the baffle (61), and one end of the elastic element (62) is fixed to the outside of the fixing frame (6); an infrared sensor (63) is installed inside the baffle (61).

4. The prefabricated staircase assembly and hoisting equipment according to claim 1, characterized in that: The electric cylinder (11) is fixedly connected to a first collar (7), and there are two sets of first collars (7); the top of the slide (3) is fixedly connected to a second collar (71), and there are two sets of second collars (71); a fixing rope (72) is wound around the first collar (7) and the second collar (71).

5. The prefabricated staircase assembly and hoisting equipment according to claim 1, characterized in that: The top of the fixed block (1) is fixedly connected to an electric slider (81); the electric slider (81) is slidably connected to an assembly frame (8).

6. The prefabricated staircase assembly and hoisting equipment according to claim 1, characterized in that: The top of the abutment (31) is fixed with an anti-slip pad (9); the anti-slip pad (9) is made of a flexible material.

7. The prefabricated staircase assembly and hoisting equipment according to claim 1, characterized in that: The insert (5) is internally threaded with a hole opener (91); the hole opener (91) is conical in shape.

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