Protective structure for construction hoist maintenance platform

Abstract

The utility model discloses a protective structure for a maintenance platform of a construction hoist, which comprises I-shaped steel frames welded at four corners of the top of the maintenance platform, protective doors are arranged at two ends of the front side and the rear side of each I-shaped steel frame, and fixed columns are welded at two ends of the front side and the rear side of the maintenance platform. And the surface of the fixing column is rotationally connected with a rotating swing arm, the rotating swing arm is welded to the protective door, an inner cavity of the maintenance platform is provided with an opposite-pulling assembly, and the opposite-pulling assembly comprises a stepping motor fixedly installed on the left side of the maintenance platform. The top of the maintenance platform is subjected to fence protection through matched use of the protection door and the handrail, meanwhile, under the action of the opposite-pull assembly, the rotary swing arm is driven to rotate, and then the protection door can be automatically rotated to be opened and closed on the front side and the rear side of the maintenance platform; therefore, the purposes of strong protection effect, automatic opening and closing and convenient operation are achieved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to construction protection technical field, especially, relate to a kind of protective structure for construction hoist maintenance platform. BACKGROUND

[0002] The hoist platform is a kind of equipment platform for vertical transportation of personnel or goods, which is usually an important part of the hoist system, driven by power device (such as hydraulic system, electric system, etc.), and moves up and down along the guide rail or support structure, so as to realize the function of transporting people or things from one height to another.

[0003] In the construction hoist maintenance operation, the opening and closing operation of the platform protection door is inconvenient, and often needs to be manually pushed and pulled, which consumes manpower and is low in efficiency, especially when the maintenance personnel carry tools or goods in and out, the operation is more complicated, and if the locking member arranged in the opening direction of the opening protection door fails, the protection door may be directly opened, which has safety hazard, therefore, a protective structure for construction hoist maintenance platform is needed, which adopts the mode of opening upward, continuously locks according to the action of gravity, and adopts the mode of electric opening and closing, so as to facilitate the user to open and close the protection door, and improve the safety of the maintenance platform. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of protective structure for construction hoist maintenance platform, which adopts the mode of opening upward, continuously locks according to the action of gravity, and adopts the mode of electric opening and closing, so as to facilitate the user to open and close the protection door, and improve the safety of the maintenance platform, to solve the above technical problems.

[0005] The technical scheme for solving the above technical problems is as follows: a kind of protective structure for construction hoist maintenance platform, including I-shaped steel frame welded in the four corners of the top of maintenance platform, the two ends of the front side and the rear side of the I-shaped steel frame are provided with protection door, the two ends of the front side and the rear side of the maintenance platform are welded with fixed column, the surface of the fixed column is rotatably connected with rotating swing arm, the rotating swing arm is welded with protection door, the inner cavity of the maintenance platform is provided with counter-pulling assembly, the counter-pulling assembly includes step motor fixedly installed in the left side of maintenance platform, the right side of the inner cavity of the maintenance platform is rotatably connected with bidirectional screw rod through bearing, sliding rod is welded between the two rotating swing arms on the same side, the two sides of the surface of the bidirectional screw rod are threadedly connected with threaded sleeve, the bottom of the threaded sleeve is rotatably connected with connecting rod, the bottom end of the connecting rod is rotatably connected with the surface of sliding rod.

[0006] Preferably, the two ends of the front side and the rear side of the maintenance platform are provided with arc-shaped sliding groove, and the sliding rod is slidably connected in the inner cavity of the arc-shaped sliding groove.

[0007] Preferably, the front side and the rear side of the maintenance platform are welded with positioning seats, and the bottom of the protective door is clamped in the inner cavity of the positioning seat.

[0008] Preferably, the surface of the I-shaped steel frame is welded with a limiting pin, the inner cavity of the protective door is welded with an arc-shaped guide rail, and the arc-shaped guide rail is slidingly connected to the surface of the limiting pin.

[0009] Preferably, the two sides of the top of the maintenance platform are provided with railings, and the front end and the rear end of the railing are welded with the I-shaped steel frame.

[0010] Preferably, the front side and the rear side of the inner cavity of the maintenance platform are provided with rectangular sliding grooves, and the threaded sleeve is slidingly connected to the inner cavity of the rectangular sliding groove.

[0011] The utility model discloses the beneficial effects are:

[0012] 1, the utility model discloses the cooperation of protective door and railing is used to the top of maintenance platform is fenced and protected, and under the action of the counter -balanced assembly, the rotating swing arm is driven to rotate, and the protective door can rotate and open and close automatically on the front side and the rear side of maintenance platform, can reach the purpose that the protection effect is strong and automatic opening and closing is convenient to operate.

[0013] 2, the utility model discloses the setting of arc-shaped sliding groove is limited and the guiding effect is played to sliding rod, makes the sliding rod can rotate along the given track, simultaneously makes the rotating swing arm and the protective door rotate along the given track, and the protective door can be rotated and opened or closed.

[0014] 3, the utility model discloses the cooperation of limiting pin and arc-shaped guide rail is limited and the guiding effect is played to the protective door, thereby improve the stability of protective door in the rotating process and after closing, improve the protection effect of protective door to the top of maintenance platform. ACCURACY

[0015] Among them:

[0016] Figure 1 It is the three-dimensional schematic view of one embodiment of the utility model;

[0017] Figure 2 It is the main view schematic diagram of one embodiment of the utility model in the opening state;

[0018] Figure 3 It is one embodiment of the utility model Figure 2 The local enlarged view of point A in the embodiment of the utility model;

[0019] Figure 4 It is the three-dimensional schematic view of the rotating swing arm and the counter -balanced assembly of one embodiment of the utility model.

[0020] The components represented by the numbers in the drawings are listed as follows:

[0021] 1, maintenance platform, 2, I-beam, 3, protective door, 4, fixed column, 5, rotating swing arm, 6, pull assembly, 61, stepping motor, 62, two-way threaded rod, 63, sliding rod, 64, threaded sleeve, 65, connecting rod, 7, arc-shaped sliding groove, 8, positioning seat, 9, limit pin, 10, arc-shaped guide rail, 11, railing. DETAILED DESCRIPTION

[0022] In the following, the embodiment of the protective structure for the construction hoist maintenance platform of the present application will be described with reference to the accompanying drawings.

[0023] Figures 1-4 The protective structure for the construction hoist maintenance platform of an embodiment of the present application is shown, which comprises I-beams 2 welded at the four corners of the top of the maintenance platform 1, railings 11 provided at both sides of the top of the maintenance platform 1, the front end and the rear end of the railing 11 being welded with the I-beam 2, protective doors 3 provided at both ends of the front side and the rear side of the I-beam 2, limit pins 9 welded on the surface of the I-beam 2, arc-shaped guide rails 10 welded in the inner cavity of the protective door 3, the arc-shaped guide rail 10 being slidingly connected on the surface of the limit pin 9, the limit pin 9 and the arc-shaped guide rail 10 being used in cooperation to limit and guide the protective door 3, thereby improving the stability of the protective door 3 during rotation and after being closed, improving the protective effect of the protective door 3 on the top of the maintenance platform 1, fixed columns 4 welded at both ends of the front side and the rear side of the maintenance platform 1, rotating swing arms 5 rotatably connected on the surface of the fixed column 4, the rotating swing arm 5 being welded with the protective door 3, a pull assembly 6 provided in the inner cavity of the maintenance platform 1, the pull assembly 6 comprising a stepping motor 61 fixedly installed at the left side of the maintenance platform 1, a two-way threaded rod 62 rotatably connected at the right side of the inner cavity of the maintenance platform 1, a sliding rod 63 welded between the two rotating swing arms 5 at the same side, arc-shaped sliding grooves 7 provided at both ends of the front side and the rear side of the maintenance platform 1, the sliding rod 63 being slidingly connected in the inner cavity of the arc-shaped sliding groove 7, positioning seats 8 welded at the front side and the rear side of the maintenance platform 1, the bottom of the protective door 3 being clamped in the inner cavity of the positioning seat 8, the sliding rod 63 being limited and guided by the arc-shaped sliding groove 7, so that the sliding rod 63 can rotate along the predetermined track, and at the same time, the rotating swing arm 5 and the protective door 3 can rotate along the predetermined track, so that the protective door 3 can be opened or closed, rectangular sliding grooves provided at the front side and the rear side of the inner cavity of the maintenance platform 1, threaded sleeves 64 slidingly connected in the inner cavity of the rectangular sliding groove, the threaded sleeves 64 being threadedly connected at both sides of the surface of the two-way threaded rod 62, connecting rods 65 rotatably connected at the bottom of the threaded sleeve 64, the bottom end of the connecting rod 65 being rotatably connected on the surface of the sliding rod 63.

[0024] Working principle: the utility model uses, the user through the cooperation and use of handrail 11, I -beam frame 2 and protective door 3, the top of maintenance platform 1 has played the protection effect, simultaneously when the user needs to enter the top of maintenance platform 1 or transport goods to the top of maintenance platform 1, stepping motor 61 opens and drives bidirectional screw rod 62 to rotate, bidirectional screw rod 62 is pushed to screw sleeve 64 through its surface thread in the process of rotating, so that two screw sleeves 64 move towards each other, screw sleeve 64 is pulled to sliding rod 63 through connecting rod 65 in the process of moving, so that sliding rod 63 rotates in the inner chamber of arc-shaped sliding groove 7, further makes rotating swing arm 5 rotate with the fixed column 4 connection position, further makes protective door 3 rotate, protective door 3 drives arc-shaped guide rail 10 to slide on the surface of limiting pin 9 in the process of rotating, at this moment, protective door 3 rotates and opens, so that the user enters from the front side and rear side of maintenance platform 1.

[0025] In conclusion: the construction elevator maintenance platform protection structure, through the cooperation and use of protective door 3 and handrail 11, the top of maintenance platform 1 is fenced and protected, simultaneously under the action of pull assembly 6, rotating swing arm 5 is driven to rotate, further makes protective door 3 can rotate automatically on the front side and rear side of maintenance platform 1 and open and close, can reach the purposes that the protection effect is strong and automatic opening and closing is convenient to operate.

Claims

1. A construction hoist maintenance platform guard structure, characterized by, Including the I-shaped steel frame (2) welded in the four corners of the maintenance platform (1) top, the front side and the rear side of the two ends of the I-shaped steel frame (2) are provided with the protective door (3), the two ends of the front side and the rear side of the maintenance platform (1) are welded with the fixed column (4), the surface of the fixed column (4) is rotatably connected with the rotary swing arm (5), the rotary swing arm (5) is welded with the protective door (3), the inner cavity of the maintenance platform (1) is provided with the pull assembly (6), the pull assembly (6) includes the stepping motor (61) fixedly installed on the left side of the maintenance platform (1), the right side of the inner cavity of the maintenance platform (1) is rotatably connected with the two-way threaded rod (62) through the bearing, the sliding rod (63) is welded between the two rotary swing arms (5) on the same side, the two sides of the surface of the two-way threaded rod (62) are threadedly connected with the threaded sleeve (64), the bottom of the threaded sleeve (64) is rotatably connected with the connecting rod (65), and the bottom end of the connecting rod (65) is rotatably connected to the surface of the sliding rod (63).

2. The protective structure for a maintenance platform of a construction hoist according to claim 1, characterized in that, The front side and the rear side of the maintenance platform (1) are provided with the arc-shaped sliding groove (7), and the sliding rod (63) is slidably connected in the inner cavity of the arc-shaped sliding groove (7).

3. The protective structure for a maintenance platform of a construction hoist according to claim 2, characterized in that, The front side and the rear side of the maintenance platform (1) are welded with the positioning seat (8), and the bottom of the protective door (3) is clamped in the inner cavity of the positioning seat (8).

4. The protective structure for a maintenance platform of a construction hoist according to claim 3, characterized in that, The surface of the I-shaped steel frame (2) is welded with the limiting pin (9), the inner cavity of the protective door (3) is welded with the arc-shaped guide rail (10), and the arc-shaped guide rail (10) is slidably connected to the surface of the limiting pin (9).

5. A protective structure for a maintenance platform of a construction hoist according to claim 4, characterized in that The two sides of the top of the maintenance platform (1) are provided with the handrail (11), and the front end and the rear end of the handrail (11) are welded with the I-shaped steel frame (2).

6. A protective structure for a maintenance platform of a construction hoist according to claim 5, characterized in that The front side and the rear side of the inner cavity of the maintenance platform (1) are provided with the rectangular sliding groove, and the threaded sleeve (64) is slidably connected in the inner cavity of the rectangular sliding groove.

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