Turnover plate device of construction elevator

Abstract

The utility model relates to an elevator turning plate device which aims at solving the technical problems that an existing turning plate cannot effectively protect passing personnel and building materials, and the risk that the personnel or the building materials fall off exists when the turning plate is used. The utility model provides a construction elevator turning plate device which comprises a turning plate rotationally installed at the bottom of the inner side of an entrance and exit of a lift car of a construction elevator, protective fences are arranged on the two sides of the top of the turning plate, and a channel communicated with the entrance and exit of the lift car is formed between the two protective fences. The side portion of the turning plate is connected with the inner side wall of the lift car through a steel wire rope. According to the scheme, the turning plate is fixed at the entrance and exit of the lift car through the steel wire rope, and the stability of the turning plate in the using process is enhanced; and the protective fences are arranged on the two sides of the turning plate, so that personnel and building materials passing through the turning plate can be protected, and accidental falling is avoided.

Description

Technical Field

[0001] The utility model relates to an elevator flap device, in particular to a construction elevator flap device. Background Art

[0002] At present, construction elevators are mainly used for vertical transportation of indoor decoration materials in construction projects. The market generally adopts climbing frame + aluminum formwork construction system. The construction elevator adopts a short wall-attached mode. The construction elevator is about 20CM away from the structure. To ensure safety, the gap between the construction elevator and the structure is filled with a construction elevator flap. Some carts transporting materials can easily pass through the flap to the construction elevator.

[0003] For example, Chinese patent document CN218371152U discloses a construction elevator flap device, which includes an iron plate, an iron chain, an iron sheet, a circular shaft, and a haunch plate. One end of the iron chain is connected to the construction elevator cage, and the other end of the iron chain is connected to one side of the iron plate. The iron plate, circular shaft, and haunch plate are located on the other side of the iron plate, and the iron plate is fixed to the bottom of one side of the construction elevator cage through the iron plate and the haunch plate by welds. This solution has the following drawbacks: while it increases the stability of the flap, it does not effectively protect people and building materials passing through. When the flap is used, there is a risk of people or building materials falling. Utility Model Content

[0004] The purpose of the utility model is to solve the technical problems that the existing flaps cannot effectively protect the people and building materials passing through, and there is a risk of people or building materials falling when the flaps are used, and to provide a construction elevator flap device.

[0005] In order to solve the above technical problems, the technical solutions provided by the present invention are as follows:

[0006] A construction elevator flap device includes a flap rotatably mounted on the bottom inner side of a construction elevator car entrance and exit, with guardrails provided on both sides of the top of the flap, and a passage communicating with the car entrance and exit formed between the two guardrails;

[0007] The side portion of the flap is connected to the inner side wall of the car via a steel wire rope.

[0008] Furthermore, one end of the steel wire rope is provided with a first connecting piece, and the other end is provided with a second connecting piece;

[0009] A first bolt is rotatably mounted on the middle portion of the first connecting member, and a stud portion of the first bolt is threadedly connected to the side wall of the flap;

[0010] A square through hole and a circular through hole are connected in the middle of the second connecting member, a second bolt is inserted into the square through hole of the second connecting member, the stud part of the second bolt is threadedly connected to the inner wall of the car, and the circumscribed circle diameter of the nut of the second bolt is smaller than the diameter of the circular through hole.

[0011] Furthermore, a plurality of evenly distributed weight-reducing holes are provided on the flap.

[0012] Furthermore, a square steel frame is provided at the bottom of the flap.

[0013] Furthermore, the upper surface of the flap is provided with anti-slip grooves.

[0014] Furthermore, the flap includes a first flap and a second flap that are fixedly connected, and the first flap and the second flap have different sizes.

[0015] Furthermore, the flap is rotatably mounted on the inner bottom of the car through a pin shaft, one end of the pin shaft is provided with a limit block, the other end passes through the flap and the inner bottom of the car, and a mounting hole is opened at the end, and a limit rod for fixing the pin shaft, the flap and the car is inserted in the mounting hole.

[0016] Furthermore, an auxiliary guardrail is installed on the side of one of the guardrails away from the car through hinge rotation.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] 1. The construction elevator flap device provided by the utility model fixes the flap at the entrance and exit of the car by means of steel wire ropes, thereby enhancing the stability of the flap during use; by arranging guardrails on both sides of the flap, it helps to protect people and building materials passing through the flap to avoid accidental falls.

[0019] 2. The construction elevator flap device provided by the utility model includes a first flap and a second flap. The actual shape of the first flap or the second flap can be changed according to the actual application scenario, which is convenient for customization according to actual needs and reduces material loss. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the utility model;

[0021] Figure 2 This is a schematic diagram of the structure of the steel wire rope connecting the flap and the inner wall of the car in an embodiment of the present utility model;

[0022] Figure 3 This is a structural diagram of the first connecting member in an embodiment of the present utility model;

[0023] Figure 4This is a structural diagram of the second connecting member in an embodiment of the present utility model;

[0024] Figure 5 It is a schematic structural diagram of the pin shaft in an embodiment of the present utility model.

[0025] Explanation of the accompanying drawings: 1-car, 2-entrance and exit, 3-flap, 4-guardrail, 5-wire rope, 6-first connecting piece, 7-first bolt, 8-second connecting piece, 9-square through hole, 10-circular through hole, 11-second bolt, 12-weight reduction hole, 13-square steel frame, 14-first flap, 15-second flap, 16-hinge, 17-auxiliary guardrail, 18-pin shaft, 19-limit block, 20-mounting hole, 21-limit rod. DETAILED DESCRIPTION

[0026] The following is a clear and complete description of the technical solutions of the present invention in conjunction with the accompanying drawings. Obviously, the embodiments described are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative efforts are within the scope of protection of the present invention.

[0027] like Figure 1 As shown, a construction elevator flap device includes a flap 3 rotatably installed at the bottom inner side of the entrance and exit 2 of the construction elevator car 1, guardrails 4 are provided on both sides of the top of the flap 3, and a passage connected to the entrance and exit 2 of the car 1 is formed between the two guardrails 4; the side of the flap 3 is connected to the inner wall of the car 1 by a steel wire rope 5.

[0028] In order to fix the upper flap 3 on the wire to the inner wall of the car 1, Figure 2 As shown, one end of the steel wire rope 5 is provided with a first connecting member 6, and the other end is provided with a second connecting member 8.

[0029] like Figure 3 As shown, a first bolt 7 is rotatably installed in the middle of the first connecting member 6, and the stud part of the first bolt 7 is threadedly connected to the side wall of the flap 3; the first connecting member 6 is fixed to the flap 3 by the first bolt 7, which facilitates the connection between the two, and because the first connecting bolt and the first connecting member 6 can be rotated, the influence of the wire rope 5 on the process of folding or lowering the flap 3 can be avoided when the flap 3 is folded or lowered.

[0030] In order to facilitate the installation and removal of the wire rope 5 on the inner wall of the car 1, Figure 4As shown, a square through hole 9 and a circular through hole 10 are connected in the middle of the second connecting member 8, and the width of the square through hole 9 is smaller than the diameter of the circular through hole 10; a second bolt 11 is inserted into the square through hole 9 of the second connecting member 8, and the stud part of the second bolt 11 is threadedly connected to the inner wall of the car 1, and the circumscribed circle diameter of the nut of the second bolt 11 is smaller than the diameter of the circular through hole 10.

[0031] When installing the second connecting member 8, the second connecting member 8 is put on the second bolt 11 through the circular through hole 10, and the second connecting member 8 is moved so that the stud part of the second bolt 11 slides into the square hole of the second connecting member 8, thereby realizing the installation of the second connecting member 8 on the inner wall of the car 1; when disassembling the second connecting member 8, it is only necessary to move the second connecting member 8 so that the stud part of the second bolt 11 slides into the circular through hole 10, and the second connecting member 8 can be removed from the second bolt 11.

[0032] In order to reduce the mass of the flap 3 and improve the transportation efficiency of the construction elevator, Figure 1 As shown, a plurality of evenly distributed weight-reducing holes 12 are provided on the flap 3 .

[0033] In order to increase the load-bearing capacity of the flap 3 and ensure the reliability of the flap 3, Figure 1 As shown, a square steel frame 13 is provided at the bottom of the flap 3 .

[0034] In order to prevent people from slipping when moving on the flap 3, the upper surface of the flap 3 is provided with anti-slip grooves, which are not shown in the figure.

[0035] like Figure 1 As shown, the flap 3 includes a first flap 14 and a second flap 15 fixedly connected to each other, and the sizes of the first flap 14 and the second flap 15 are different; the actual shape of the first flap 14 or the second flap 15 can be changed according to the actual application scenario, so as to facilitate customization according to actual needs and reduce material loss.

[0036] like Figure 2 As shown, the flap 3 is rotatably mounted on the inner bottom of the car 1 via a pin 18. Figure 5 As shown, a limit block 19 is provided at one end of the pin shaft 18, and the other end passes through the flap 3 and the inner bottom of the car 1, and a mounting hole 20 is opened at the end, and a limit rod 21 for fixing the pin shaft 18, the flap 3 and the car 1 is inserted into the mounting hole 20.

[0037] In order to increase the protection performance of the guardrail 4, as Figure 1 As shown, an auxiliary guardrail 17 is rotatably mounted on one side of the guardrails 4 away from the car 1 through a hinge 16 .

[0038] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any changes or substitutions within the technical scope disclosed in the present invention shall be covered by the scope of protection of the present invention. Therefore, the scope of protection of the present invention shall be based on the scope of protection set forth in the claims.

Claims

1. A construction elevator flap device, characterized by: The invention comprises a flap (3) rotatably mounted on the bottom inner side of an entrance and exit (2) of a construction elevator car (1), with guardrails (4) provided on both sides of the top of the flap (3), and a passage communicating with the entrance and exit (2) of the car (1) formed between the two guardrails (4); The side of the flap (3) is connected to the inner wall of the car (1) via a steel wire rope (5); The flap (3) comprises a first flap (14) and a second flap (15) which are fixedly connected, and the first flap (14) and the second flap (15) have different sizes; the flap (3) is rotatably mounted on the inner bottom of the car (1) via a pin shaft (18); one end of the pin shaft (18) is provided with a limit block (19), and the other end passes through the flap (3) and the inner bottom of the car (1), and the end is provided with a mounting hole (20); a limit rod (21) for fixing the pin shaft (18), the flap (3) and the car (1) is inserted into the mounting hole (20).

2. The construction elevator flap device according to claim 1, characterized in that: One end of the steel wire rope (5) is provided with a first connecting piece (6), and the other end is provided with a second connecting piece (8); A first bolt (7) is rotatably mounted on the middle portion of the first connecting member (6), and the stud portion of the first bolt (7) is threadedly connected to the side wall of the flap (3); A square through hole (9) and a circular through hole (10) are provided in the middle of the second connecting member (8), a second bolt (11) is inserted into the square through hole (9) of the second connecting member (8), a stud portion of the second bolt (11) is threadedly connected to the inner wall of the car (1), and a circumscribed circle diameter of a nut of the second bolt (11) is smaller than a diameter of the circular through hole (10).

3. The construction elevator flap device according to claim 2, characterized in that: The flap (3) is provided with a plurality of evenly distributed weight-reducing holes (12).

4. The construction elevator flap device according to claim 3, characterized in that: A square steel frame (13) is provided at the bottom of the flap (3).

5. The construction elevator flap device according to claim 4, characterized in that: The upper surface of the flap (3) is provided with anti-slip grooves.

6. The construction elevator flap device according to claim 1, characterized in that: An auxiliary guardrail (17) is installed on one side of the guardrail (4) away from the car (1) by rotating through a hinge (16).

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