Prefabricated stair hoisting device

Abstract

The utility model relates to the technical field of stair installation, and discloses a prefabricated stair hoisting device which comprises an installation plate, and a first sliding hole is formed in the upper surface of the installation plate. The hoisting ring is fixedly mounted on the upper surface of the mounting plate; and the first adjusting assembly is arranged at the bottom of the mounting plate. By pulling a second pull rod downwards, the second pull rod slides on the inner wall of a first connecting plate, meanwhile, the second pull rod drives a rotating clamping plate to rotate on one side of a fixing rod, one end of the rotating clamping plate slides out of a limiting groove, the other end of the rotating clamping plate pushes a baffle upwards, the baffle drives a second sliding rod to slide in a third sliding hole, and meanwhile a second spring is extruded; at the moment, the electric lifting rod can slide, the position of the hook is adjusted, the prefabricated stair is hooked by the hook, then the second pull rod is loosened, the other end of the rotating clamping plate is clamped in the second limiting groove to be fixed, then the electric lifting rod is started, the angle of the prefabricated stair is adjusted, and the effect of adjusting the position and angle of the hook is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of stair installation, in particular to a prefabricated stair hoisting device. Background Art

[0002] Prefabricated stair lifting devices are mainly used for lifting and installing prefabricated stairs. The stairs are processed and manufactured in the factory, which can greatly improve production efficiency and project quality, and avoid construction time restrictions and impacts caused by climate, environmental and other issues on site; the prefabricated stair lifting method can greatly reduce on-site construction time and labor costs, shorten the project cycle, and reduce the overall cost of project construction; because the stairs have been manufactured in the factory, only hoisting is required on site, and the installation is simple and convenient, reducing the template installation, release agent application, and demolding processes in the traditional stair installation process.

[0003] When existing prefabricated staircases are hoisted, most of them are hoisted with chains and hooks. This hoisting method cannot adjust the hoisting size and angle, and its applicability is greatly limited. In actual projects, it may be necessary to fine-tune the stairs according to the on-site conditions, such as changing the hoisting angle, adjusting the hoisting size, etc. If the hoisting device cannot meet these requirements, it will bring great inconvenience to the construction. Utility Model Content

[0004] The purpose of the utility model is to provide a prefabricated staircase hoisting device to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a prefabricated stair lifting device, comprising a mounting plate, the upper surface of which is provided with a sliding hole; a lifting ring fixedly installed on the upper surface of the mounting plate; a first adjustment component arranged at the bottom of the mounting plate; and a second adjustment component arranged at the bottom of the first adjustment component.

[0006] Preferably, the first adjustment component includes: a sliding rod 1, slidably connected to an inner wall of a sliding hole 1; a fixed frame, fixedly connected to the bottom of the mounting plate; and a spring 1, arranged at the bottom of the fixed frame.

[0007] Preferably, the spring is fixedly connected to the bottom of the inner wall of the fixed frame, the other end of the fixed frame is fixedly connected to a connecting block, one side of the connecting block is fixedly connected to a limiting rod, the limiting rod is slidably connected to the inner wall of the fixed frame, and a limiting groove is provided on one side of the limiting rod.

[0008] Preferably, one side of the sliding rod is fixedly connected to a limiting block, the limiting block is adapted to the limiting rod, one side of the limiting rod is fixedly connected to a connecting block two, and the bottom of the connecting block two is fixedly connected to a pull rod one.

[0009] Preferably, the second adjustment component includes: a connecting rod, fixedly connected to the bottom of a sliding rod, and a limiting groove 2 is provided on the upper surface of the connecting rod; a sliding frame, slidably connected to the outer wall of the connecting rod, and a limiting hole is provided on the upper surface of the sliding frame; a fixed rod, which is arranged on the upper surface of the sliding frame.

[0010] Preferably, the fixed rod is fixedly connected to the upper surface of the sliding frame, a rotating clamping plate is provided on one side of the fixed rod, the fixed rod is rotatably connected to one side of the rotating clamping plate, one end of the rotating clamping plate is slidably connected to the inner wall of the limiting hole, the rotating clamping plate is adapted to the connecting rod, and a pull rod 2 is provided on the other end of the rotating clamping plate, and the rotating clamping plate is rotatably connected to the pull rod 2.

[0011] Preferably, the outer wall of the second pull rod is slidably connected to a connecting plate one, a sliding hole two is opened on one side of the connecting plate one, an electric lifting rod is fixedly connected to one side of the connecting plate one, the electric lifting rod is fixedly installed at the bottom of the sliding frame, a hook is fixedly connected to the telescopic end of the electric lifting rod, and a slide rail is fixedly connected to the upper surface of the sliding frame.

[0012] Preferably, a connecting plate 2 is fixedly connected to the upper surface of the slide rail, a sliding hole 3 is opened on the upper surface of the connecting plate 2, a sliding rod 2 is slidably connected to the inner wall of the sliding hole, a baffle is fixedly connected to the bottom of the sliding rod 2, a spring 2 is fixedly connected to the upper surface of the baffle, and the other end of the spring 2 is fixedly connected to the bottom of the connecting plate 2.

[0013] The utility model provides a prefabricated staircase hoisting device, which has the following beneficial effects:

[0014] (1) The utility model pulls the pull rod 1 downward, and the pull rod 1 drives the limit rod to move downward through the connecting block 2, so that the limit rod slides on the inner wall of the fixed frame, and the limit rod drives the connecting block 1 downward to squeeze the spring 1. At this time, the sliding rod 1 can be slid to adjust the position of the hook so as to adapt to the hoisting of prefabricated stairs of different sizes. After the adjustment is completed, the pull rod 1 is released, and the spring 1 rebounds, so that the limit rod is stuck with the limit block, thereby achieving the effect of adjusting the hook spacing.

[0015] (2) The utility model pulls the pull rod 2 downward, and the pull rod 2 slides on the inner wall of the connecting plate 1. At the same time, the pull rod 2 drives the rotating card plate to rotate on one side of the fixed rod, so that one end of the rotating card plate slides out of the limit groove, so that the other end of the rotating card plate pushes the baffle plate upward, and the baffle plate drives the sliding rod 2 to slide in the sliding hole 3. At the same time, the spring 2 is squeezed. At this time, the electric lifting rod can be slid to adjust the hook position so that the hook hooks the prefabricated stairs. Then, the pull rod 2 is released, so that the other end of the rotating card plate is stuck in the limit groove 2 for fixation. Then, the electric lifting rod is started to adjust the angle of the prefabricated stairs, thereby achieving the effect of adjusting the hook position and angle. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional diagram of the utility model;

[0017] Figure 2 It is a top view of the utility model;

[0018] Figure 3 This is a view of the first adjustment component of the utility model;

[0019] Figure 4 This is a partial view of the second adjustment component of the utility model.

[0020] In the figure: 1 mounting plate, 2 lifting ring, 3 first adjustment component, 4 second adjustment component;

[0021] 311 sliding rod 1, 312 fixing frame, 313 spring 1, 314 connecting block 1, 315 limiting rod, 316 limiting block, 317 connecting block 2, 318 pulling rod 1;

[0022] 411 connecting rod, 412 sliding frame, 413 fixed rod, 414 rotating clamping plate, 415 pull rod two, 416 connecting plate one, 417 electric lifting rod, 418 hook, 419 slide rail, 420 connecting plate two, 421 sliding rod two, 422 baffle, 423 spring two. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0025] Example 1

[0026] A preferred embodiment of the prefabricated stair lifting device provided by the utility model is as follows Figure 1-4 As shown: a prefabricated staircase hoisting device, comprising a mounting plate 1, a sliding hole 1 is opened on the upper surface of the mounting plate 1; a hoisting ring 2 fixedly mounted on the upper surface of the mounting plate 1; a first adjustment component 3 arranged at the bottom of the mounting plate 1; a second adjustment component 4 arranged at the bottom of the first adjustment component 3;

[0027] The first adjustment component 3 includes: a sliding rod 311, which is slidably connected to the inner wall of the sliding hole 1; a fixed frame 312, which is fixedly connected to the bottom of the mounting plate 1; a spring 313, which is arranged at the bottom of the fixed frame 312; the spring 313 is fixedly connected to the bottom of the inner wall of the fixed frame 312, and the other end of the fixed frame 312 is fixedly connected to a connecting block 314, one side of the connecting block 314 is fixedly connected to a limiting rod 315, the limiting rod 315 is slidably connected to the inner wall of the fixed frame 312, and one side of the limiting rod 315 is provided with a limiting groove 1; one side of the sliding rod 311 is fixedly connected to a limiting block 316, the limiting block 316 is adapted to the limiting rod 315, one side of the limiting rod 315 is fixedly connected to a connecting block 2 317, and the bottom of the connecting block 2 317 is fixedly connected to a pull rod 1 318;

[0028] Furthermore, in this embodiment, by pulling the pull rod 318 downward, the pull rod 318 drives the limit rod 315 to move downward through the connecting block 317, so that the limit rod 315 slides on the inner wall of the fixed frame 312, and the limit rod 315 drives the connecting block 314 to squeeze the spring 313 downward. At this time, the sliding rod 311 can be slid to adjust the position of the hook 418 so as to adapt to the hoisting of prefabricated stairs of different sizes. After the adjustment is completed, the pull rod 318 is released, and the spring 313 rebounds, so that the limit rod 315 is stuck in the limit block 316.

[0029] Example 2

[0030] Based on Example 1, a preferred embodiment of a prefabricated staircase hoisting device provided by the present invention is as follows: Figure 1-4As shown: the second adjustment component 4 includes: a connecting rod 411, fixedly connected to the bottom of the sliding rod 311, and a limiting groove 2 is provided on the upper surface of the connecting rod 411; a sliding frame 412, slidably connected to the outer wall of the connecting rod 411, and a limiting hole is provided on the upper surface of the sliding frame 412; a fixed rod 413, arranged on the upper surface of the sliding frame 412; the fixed rod 413 is fixedly connected to the upper surface of the sliding frame 412, and a rotating clamping plate 414 is provided on one side of the fixed rod 413, the fixed rod 413 is rotatably connected to one side of the rotating clamping plate 414, one end of the rotating clamping plate 414 is slidably connected to the inner wall of the limiting hole, the rotating clamping plate 414 is adapted to the connecting rod 411, and a pull rod 2 415 is provided on the other end of the rotating clamping plate 414, and the rotating clamping plate 414 is rotatably connected to the pull rod 2 415 Connect; the outer wall of the second pull rod 415 is slidably connected with a connecting plate 1 416, a sliding hole 2 is opened on one side of the connecting plate 1 416, an electric lifting rod 417 is fixedly connected to one side of the connecting plate 1 416, the electric lifting rod 417 is fixedly installed at the bottom of the sliding frame 412, the telescopic end of the electric lifting rod 417 is fixedly connected with a hook 418, and the upper surface of the sliding frame 412 is fixedly connected with a slide rail 419; the upper surface of the slide rail 419 is fixedly connected with a connecting plate 2 420, the upper surface of the connecting plate 2 420 is opened with a sliding hole 3, the inner wall of the sliding hole is slidably connected with a sliding rod 2 421, the bottom of the sliding rod 2 421 is fixedly connected with a baffle 422, the upper surface of the baffle 422 is fixedly connected with a spring 2 423, and the other end of the spring 2 423 is fixedly connected to the bottom of the connecting plate 2 420;

[0031] Furthermore, in this embodiment, by pulling the pull rod 2 415 downward, the pull rod 2 415 slides on the inner wall of the connecting plate 1 416, and at the same time, the pull rod 2 415 drives the rotating card plate 414 to rotate on one side of the fixed rod 413, so that one end of the rotating card plate 414 slides out of the limiting groove, so that the other end of the rotating card plate 414 pushes the baffle 422 upward, and the baffle 422 drives the sliding rod 2 421 to slide in the sliding hole 3, and at the same time, the spring 2 423 is squeezed, then the electric lifting rod 417 can be slid, and the position of the hook 418 is adjusted so that the hook 418 hooks the prefabricated stairs, and then the pull rod 2 415 is released, so that the other end of the rotating card plate 414 is stuck in the limiting groove 2 for fixation, and then the electric lifting rod 417 is started to adjust the angle of the prefabricated stairs.

[0032] When in use, first pull rod 1 318 downwards, pull rod 1 318 drives limit rod 315 to move downwards through connecting block 2 317, so that limit rod 315 slides on the inner wall of fixed frame 312, and limit rod 315 drives connecting block 1 314 downwards to squeeze spring 1 313, then you can slide sliding rod 1 311, slide sliding rod 1 311 to adjust the position of hook 418, so as to adapt to the hoisting of prefabricated stairs of different sizes, after the adjustment is completed, release pull rod 1 318, spring 1 313 rebounds, so that limit rod 315 clamps limit block 316, then pull rod 2 415 downwards, pull rod 2 415 is connected The inner wall of plate 1 416 slides, and at the same time, pull rod 2 415 drives rotating card plate 414 to rotate on one side of fixed rod 413, so that one end of rotating card plate 414 slides out of the limiting groove, so that the other end of rotating card plate 414 pushes baffle plate 422 upward, and baffle plate 422 drives sliding rod 2 421 to slide in sliding hole 3, and at the same time, spring 2 423 is squeezed, and then the electric lifting rod 417 can be slid to adjust the position of hook 418 so that hook 418 hooks the prefabricated stairs, and then release pull rod 2 415, so that the other end of rotating card plate 414 is stuck in limiting groove 2 for fixation, and then start the electric lifting rod 417 to adjust the angle of the prefabricated stairs.

[0033] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A prefabricated staircase hoisting device, characterized in that: It comprises a mounting plate (1), wherein a sliding hole 1 is provided on the upper surface of the mounting plate (1); A lifting ring (2) fixedly mounted on the upper surface of the mounting plate (1); A first adjustment component (3) arranged at the bottom of the mounting plate (1); A second adjustment component (4) is arranged at the bottom of the first adjustment component (3).

2. A prefabricated staircase hoisting device according to claim 1, characterized in that: The first adjustment component (3) comprises: A sliding rod (311) is slidably connected to an inner wall of a sliding hole; A fixing frame (312) fixedly connected to the bottom of the mounting plate (1); Spring 1 (313) is arranged at the bottom of the fixed frame (312).

3. A prefabricated staircase hoisting device according to claim 2, characterized in that: The spring 1 (313) is fixedly connected to the bottom of the inner wall of the fixed frame (312); the other end of the fixed frame (312) is fixedly connected to a connecting block 1 (314); one side of the connecting block 1 (314) is fixedly connected to a limiting rod (315); one end of the limiting rod (315) is slidably connected to the inner wall of the fixed frame (312); and one side of the limiting rod (315) is provided with a limiting groove 1.

4. The prefabricated staircase hoisting device according to claim 2, characterized in that: One side of the sliding rod 1 (311) is fixedly connected to a limiting block (316), the limiting block (316) is adapted to the limiting rod (315), one side of the limiting rod (315) is fixedly connected to a connecting block 2 (317), and the bottom of the connecting block 2 (317) is fixedly connected to a pull rod 1 (318).

5. The prefabricated staircase hoisting device according to claim 1, characterized in that: The second adjustment component (4) comprises: A connecting rod (411) is fixedly connected to the bottom of the first sliding rod (311), and a second limiting groove is provided on the upper surface of the connecting rod (411); A sliding frame (412) is slidably connected to the outer wall of the connecting rod (411), and a limiting hole is provided on the upper surface of the sliding frame (412); The fixing rod (413) is arranged on the upper surface of the sliding frame (412).

6. A prefabricated staircase hoisting device according to claim 5, characterized in that: The fixed rod (413) is fixedly connected to the upper surface of the sliding frame (412), and a rotating clamping plate (414) is provided on one side of the fixed rod (413). The fixed rod (413) is rotatably connected to one side of the rotating clamping plate (414), and one end of the rotating clamping plate (414) is slidably connected to the inner wall of the limiting hole. The rotating clamping plate (414) is adapted to the connecting rod (411), and a pull rod 2 (415) is provided on the other end of the rotating clamping plate (414), and the rotating clamping plate (414) is rotatably connected to the pull rod 2 (415).

7. A prefabricated staircase hoisting device according to claim 6, characterized in that: The outer wall of the second pull rod (415) is slidably connected to a connecting plate (416), one side of the connecting plate (416) is provided with a sliding hole (412), one side of the connecting plate (416) is fixedly connected to an electric lifting rod (417), the electric lifting rod (417) is fixedly installed at the bottom of the sliding frame (412), the telescopic end of the electric lifting rod (417) is fixedly connected to a hook (418), and the upper surface of the sliding frame (412) is fixedly connected to a slide rail (419).

8. The prefabricated staircase hoisting device according to claim 7, characterized in that: The upper surface of the slide rail (419) is fixedly connected to a second connecting plate (420), the upper surface of the second connecting plate (420) is provided with a third sliding hole, the inner wall of the sliding hole is slidably connected to a second sliding rod (421), the bottom of the second sliding rod (421) is fixedly connected to a baffle (422), the upper surface of the baffle (422) is fixedly connected to a second spring (423), and the other end of the second spring (423) is fixedly connected to the bottom of the second connecting plate (420).

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