CN219885381U - Safety protection door for multiple elevator shafts - Google Patents

Abstract

The utility model belongs to the field of safety protection, and particularly relates to a safety protection door of a plurality of elevator shafts, which comprises a plurality of protection doors, wherein the protection doors are divided into a left side part and a right side part, and the adjacent protection doors are hinged together; a slideway is fixed above the elevator shaft mouth, a slide block A and a slide block B are connected on the slideway in a sliding way, the slide block A is rotationally connected with the leftmost protective door on the left side, and the slide block B is rotationally connected with the leftmost protective door on the right side; a driving belt pulley and a driven belt pulley are respectively arranged on the left side and the right side above the slideway, and the driving belt pulley is connected with a motor; the slide block A and the slide block B are upwards provided with a clamp A and a clamp B respectively, the clamp A clamps the belt below, and the clamp B clamps the belt above. The elevator shaft safety protection door is not required to be installed one by one, has no gap, prevents the possibility of high-altitude throwing, avoids the actions of manual carrying, opening and closing by anyone and the like, and avoids the elevator shaft safety accidents.

Description

Safety protection door for multiple elevator shafts

Technical Field

The utility model belongs to the field of safety protection, and particularly relates to a safety protection door for a plurality of elevator shafts.

Background

Before the elevator is installed, the elevator shaft needs a protective door, in principle, the elevator shaft protective door cannot be detached and moved randomly, and cannot be nearby, but at present, the elevator shaft protective door is mainly provided with a simple protective net frame, two sides of the protective net frame are perforated and fixed on a wall surface, and some protective net frame is directly and simply placed at the position of the elevator shaft mouth, so that constructors can move randomly, and the irrecoverable safety problem is caused. In addition, the height of the existing elevator shaft protective door generally does not reach the top of the elevator shaft, a certain length of gap is formed between the top of the elevator shaft and the protective door, and the gap with the certain length can lead workers to carelessly drop tools or objects from the gap during indoor construction, so that high-altitude parabolic is caused, the elevator shaft protective door has great potential safety hazards, so that the elevator shaft protective door is safe without accidents, a safer protective door is needed to ensure the safety of workers, and elevator shaft safety accidents are avoided.

Disclosure of Invention

The utility model aims to overcome the defects of the background technology and provide a safety protection door for a plurality of elevator shafts.

The utility model is realized by the following technical scheme:

the safety protection doors of the elevator shafts comprise a plurality of protection doors, wherein the protection doors are divided into a left side part and a right side part which are symmetrical at the middle positions of the elevator shafts, and the adjacent protection doors of the left side part and the adjacent protection doors of the right side part are hinged together; a horizontal slideway is fixed on the wall surface above the elevator shaft mouth, a sliding block A and a sliding block B are connected on the slideway in a sliding way, the sliding block A is downwards fixedly connected with a shaft A, the shaft A is downwards connected with the top of the right end of the leftmost protective door of the left side part in a rotating way, the sliding block B is downwards fixedly connected with a shaft B, and the shaft B is downwards connected with the top of the left end of the leftmost protective door of the right side part in a rotating way; the upper part of the left end of the leftmost protective door is rotationally connected with a shaft C, the upper end of the shaft C is fixed at the bottom of the slideway, the lower part of the left end of the leftmost protective door is rotationally connected with a shaft D, and the shaft D is fixed on the ground; the upper part of the right end of the rightmost protective door is rotationally connected with a shaft E, the upper end of the shaft E is fixed at the bottom of the slideway, the lower part of the right end of the rightmost protective door is rotationally connected with a shaft F, and the shaft F is fixed on the ground; the driving belt pulley and the driven belt pulley are respectively arranged on the wall surfaces on the left side and the right side above the slideway, a belt is connected between the driving belt pulley and the driven belt pulley, the driving belt pulley is connected with a motor shaft of a motor, the motor is fixed on a supporting plate, and the supporting plate is fixed on the slideway; the sliding block A and the sliding block B are upwards provided with a clamp A and a clamp B respectively, the clamp A clamps the belt below, and the clamp B clamps the belt above.

Preferably, the protective door is provided with a frame around, and a protective net or a light plastic plate is arranged inside the frame.

Preferably, the bottoms of the shaft D and the shaft F are both fixed with mounting plates, and the mounting plates are fixed on the ground.

Preferably, the clamp A and the clamp B both comprise an upper clamping plate and a lower clamping plate, the distance between the upper clamping plate and the lower clamping plate is larger than the thickness of the belt, circular holes are formed in the positions, corresponding to the belt, of the upper clamping plate and the lower clamping plate, bolts are arranged in the circular holes, and the belt, the upper clamping plate and the lower clamping plate are fixed together through the bolts; the upper clamping plate and the lower clamping plate of the clamp A are connected with a short vertical plate, the short vertical plate is fixed on the sliding block A, the upper clamping plate and the lower clamping plate of the clamp B are connected with a long vertical plate, and the long vertical plate is fixed on the sliding block B.

Preferably, grooves are formed in the upper surface and the lower surface of the slideway, the sliding block A and the sliding block B are U-shaped sliding blocks, and the sliding block A and the sliding block B are provided with protruding blocks corresponding to the grooves.

Compared with the prior art, the elevator shaft safety protection door is particularly suitable for the situation that a plurality of elevator shafts are arranged in a row, can be installed one by one, has no gap, and prevents the possibility of high-altitude throwing; the utility model avoids the actions of manual carrying, opening and closing by any person, and the like, and avoids the safety accidents of the elevator shaft.

Drawings

FIG. 1 is a schematic diagram of a closing structure of the present embodiment;

FIG. 2 is a schematic view of an open structure of the present embodiment;

fig. 3 is an enlarged schematic view of the clamp a according to the present embodiment;

fig. 4 is an enlarged schematic view of the structure of the clamp B of the present embodiment;

FIG. 5 is an enlarged view of the hinge of the protective door according to the present embodiment;

FIG. 6 is a schematic view of the structure of the slide way according to the present embodiment;

FIG. 7 is a partially enlarged schematic view of the left part of the present embodiment;

fig. 8 is a partially enlarged view of the closed state of the present embodiment.

In the figure, a protective door 1, a hoistway wellhead 2, a slideway 3, a sliding block A4, a sliding block B5, a sliding block A6, a sliding block B7, a sliding block C8, a sliding block D9, a sliding block E10, a sliding block F11, a driving pulley 12, a driven pulley 13, a belt 14, a motor 15, a supporting plate 16, a clamping device A17, a clamping device B18, a protective net 19, a mounting plate 20, a clamping plate 21, a clamping plate 22, a lower clamping plate 24, a bolt 25, a short vertical plate 26, a long vertical plate 27 and a convex block 28.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model.

The embodiment comprises a plurality of protective doors 1, in the embodiment, a row of four elevator shafts are taken as an example, the four same protective doors 1 are included, the periphery of each protective door 1 is a frame, a protective net 19 is arranged in the frame, and the height and width of each protective door 1 are larger than those of an elevator shaft mouth 2. Four guard gates 1 divide into left side part and right side part, and the articulated between the guard gate 1 that left side part is adjacent is in the same place, also articulates between the guard gate 1 of right side part, can rotate folding around articulated department between the adjacent guard gate 1, can use the hinge to articulate, also can use other structure articulations now all, and the articulated department of this embodiment is as shown in fig. 5, does not connect between the guard gate 1 of left side part and right side part.

A horizontal slideway 3 is fixed on the wall surface above the elevator shaft mouth 2, a sliding block A4 and a sliding block B5 are connected on the slideway 3 in a sliding way, and the sliding block A4 and the sliding block B5 can slide on the slideway 3. The upper surface and the lower surface of slide 3 that this embodiment adopted all are equipped with along slide 3 length direction's a recess 27, and recess 27 does not link up slide 3 length direction, and slider A4 and slider B5 that adopts wholly are U type slider, are equipped with the lug 28 that corresponds with recess 27 on slider A4 and the slider B5, and lug 28 is located recess 27, and slider A4 and slider B5 slide on slide 3 like this, and recess 27 both can be spacing about slider A4 and slider B5, can spacing to the front and back of slider A4 and slider B5.

The sliding block A4 is fixedly connected with the shaft A6 downwards, the shaft A6 is connected with the top of the right end of the right-most protective door 1 of the left part in a rotating way, and the right-most protective door 1 of the left part can rotate around the shaft A6 and simultaneously can slide along with the sliding block A4. The same sliding block B5 is downwards fixedly connected with a shaft B7, the shaft B7 is downwards connected with the top of the left end of the leftmost protective door 1 of the right part in a rotating way, and the leftmost protective door 1 of the right part can rotate around the shaft B7 and simultaneously can slide along with the sliding block B5. So that the left-hand side shield door 1 moves with the slider A4 and the right-hand side shield door 1 moves with the slider B5.

The upper left end of the leftmost protective door 1 is rotationally connected with the shaft C8, the upper end of the shaft C8 is fixed at the bottom of the slideway 3, the lower left end of the leftmost protective door 1 is rotationally connected with the shaft D9, the shaft D9 is fixed on the ground, the shaft C8 and the shaft D9 are on the same vertical line, and then the leftmost protective door 1 can rotate around the shaft C8 and the shaft D9. Similarly, the upper right end of the rightmost protective door 1 is rotationally connected with the shaft E10, the upper end of the shaft E10 is fixed at the bottom of the slideway 3, the lower right end of the rightmost protective door 1 is rotationally connected with the shaft F11, the shaft F11 is fixed on the ground, the axes of the shaft E10 and the shaft F11 are on the same vertical line, and the rightmost protective door 1 can rotate around the shaft E10 and the shaft F11. Preferably, the bottoms of the shaft D9 and the shaft F11 are fixed with the mounting plate 20, and the mounting plate 20 is fixed on the ground.

The driving belt pulley 12 and the driven belt pulley 13 are respectively arranged on the wall surfaces on the left side and the right side above the slideway 3, a belt 14 is connected between the driving belt pulley 12 and the driven belt pulley 13, the driving belt pulley 12 is connected with a motor shaft of a motor 15, the motor 15 is fixed on a supporting plate 16, and the supporting plate 16 is fixed on the side surface of the slideway 3.

A clamp a17 and a clamp B18 are respectively arranged upwards on the slide block A4 and the slide block B5, the clamp a17 is used for clamping the lower belt 14, the clamp B18 is used for clamping the upper belt 14, and the clamp a17 and the clamp B18 enable the slide block A4 and the slide block B5 to move together with the belt 14. When all the protective doors 1 are closed, the clamps a17 and B18 are located at the intermediate position.

The clamp a17 and the clamp B18 adopted in this embodiment each include an upper clamp plate 21 and a lower clamp plate 22, the upper clamp plate 21 and the lower clamp plate 22 are flat plates, the distance between the upper clamp plate 21 and the lower clamp plate 22 is larger than the thickness of the belt 14, that is, the belt 14 can be placed between the upper clamp plate 21 and the lower clamp plate 22, circular holes are formed in positions of the upper clamp plate 21 and the lower clamp plate 22 corresponding to the belt 14, bolts 24 are arranged in the upper circular holes and the lower circular holes, and the belt 14, the upper clamp plate 21 and the lower clamp plate 22 are fixed together through the bolts 24. Except that the upper and lower jaws 21 and 22 of the clamp a17 are connected to the short riser 25, the short riser 25 is fixed to the slider A4, the upper and lower jaws 21 and 22 of the clamp B18 are connected to the long riser 26, and the long riser 26 is fixed to the slider B5. The short riser 25 and the long riser 26 are only different in length and are longer than necessary because the clamp B18 clamps the belt 14 above.

The working process is briefly described by way of example in the accompanying drawings as follows: if the protective door 1 is in a closed state, as shown in fig. 1, at this time, the sliding blocks A4 and B5 are close together and are all located at the middle position, the motor 15 is controlled to work, the motor shaft of the motor 15 rotates clockwise, the upper belt 14 moves rightwards, the lower belt 14 moves leftwards, the upper belt 14 drives the sliding block B5 to slide rightwards along the slideway 3, the sliding block B5 drives the leftmost protective door 1 of the right part to move rightwards together, the adjacent protective doors 1 on the right start to fold, meanwhile, the lower belt 14 drives the sliding block A4 to slide leftwards along the slideway 3, the sliding block A4 drives the rightmost protective door 1 of the left part to move leftwards together, and the adjacent protective doors 1 on the left start to fold, so that the protective doors 1 on the two sides are opened; when the protective door 1 needs to be closed, the motor 15 is controlled to rotate anticlockwise, at the moment, the protective doors 1 on the left side and the right side are gradually unfolded and are closed towards the middle, and finally the protective door is closed.

In the field, any related safety matters are big things, the utility model designs a novel protective door 1, and the novel protective door 1 is designed to be quite different from the existing protective door 1, and can be used for opening and closing the protective door 1 by special persons, so that the management is more standard, the protection is more comprehensive, and the advantages of the protective door 1 are more obvious particularly when the elevator shaft is more in one row.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; those of ordinary skill in the art will appreciate that: the technical scheme described in the above embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims (5)

1. A plurality of hoistway safety protection doors, characterized in that: the elevator hoistway protection device comprises a plurality of protection doors (1), wherein the protection doors (1) are divided into a left side part and a right side part which are symmetrical at the middle positions of a plurality of elevator hoistways, and the adjacent protection doors (1) of the left side part and the adjacent protection doors (1) of the right side part are hinged together; a horizontal slideway (3) is fixed on the wall surface above the elevator shaft mouth (2), a sliding block A (4) and a sliding block B (5) are connected on the slideway (3) in a sliding way, a shaft A (6) is downwards and fixedly connected with the sliding block A (4), the shaft A (6) is downwards and rotatably connected with the right end top of the rightmost protective door (1) of the left side part, the sliding block B (5) is downwards and fixedly connected with a shaft B (7), and the shaft B (7) is downwards and rotatably connected with the left end top of the leftmost protective door (1) of the right side part; the upper part of the left end of the leftmost protective door (1) is rotationally connected with a shaft C (8), the upper end of the shaft C (8) is fixed at the bottom of the slideway (3), the lower part of the left end of the leftmost protective door (1) is rotationally connected with a shaft D (9), and the shaft D (9) is fixed on the ground; the upper part of the right end of the rightmost protective door (1) is rotationally connected with a shaft E (10), the upper end of the shaft E (10) is fixed at the bottom of the slideway (3), the lower part of the right end of the rightmost protective door (1) is rotationally connected with a shaft F (11), and the shaft F (11) is fixed on the ground; the driving belt pulley (12) and the driven belt pulley (13) are respectively arranged on the wall surfaces on the left side and the right side above the slideway (3), a belt (14) is connected between the driving belt pulley (12) and the driven belt pulley (13), the driving belt pulley (12) is connected with a motor shaft of a motor (15), the motor (15) is fixed on a supporting plate (16), and the supporting plate (16) is fixed on the slideway (3); the sliding block A (4) and the sliding block B (5) are respectively provided with a clamp A (17) and a clamp B (18) upwards, the clamp A (17) clamps the lower belt (14), and the clamp B (18) clamps the upper belt (14).

2. The plurality of hoistway safety doors of claim 1, wherein: the periphery of the protective door (1) is provided with a frame, and a protective net (19) or a light plastic plate is arranged in the frame.

3. The plurality of hoistway safety doors of claim 1, wherein: the bottoms of the shaft D (9) and the shaft F (11) are both fixed with a mounting plate (20), and the mounting plate (20) is fixed on the ground.

4. The plurality of hoistway safety doors of claim 1, wherein: the clamp A (17) and the clamp B (18) comprise an upper clamping plate (21) and a lower clamping plate (22), the distance between the upper clamping plate (21) and the lower clamping plate (22) is larger than the thickness of the belt (14), round holes are formed in the positions, corresponding to the belt (14), of the upper clamping plate (21) and the lower clamping plate (22), bolts (24) are arranged in the round holes, and the belt (14) is fixed with the upper clamping plate (21) and the lower clamping plate (22) through the bolts (24); the upper clamping plate (21) and the lower clamping plate (22) of the clamp A (17) are connected with the short vertical plate (25), the short vertical plate (25) is fixed on the sliding block A (4), the upper clamping plate (21) and the lower clamping plate (22) of the clamp B (18) are connected with the long vertical plate (26), and the long vertical plate (26) is fixed on the sliding block B (5).

5. A plurality of hoistway safety doors (1) according to claim 1, characterized by: the upper surface and the lower surface of the slideway (3) are both provided with grooves (27), the sliding block A (4) and the sliding block B (5) are U-shaped sliding blocks, and the sliding block A (4) and the sliding block B (5) are provided with protruding blocks (28) corresponding to the grooves (27).