CN216272551U - Safety device is used in elevator maintenance - Google Patents

Abstract

The utility model relates to the technical field of elevator maintenance, in particular to a safety protection device for elevator maintenance, and provides a scheme aiming at the problems in the background art. The rotating tube is driven to rotate by the rotation of the servo motor, the movable rod is sleeved in the sleeve, the sleeve is fixedly connected with the mounting plate, the connecting plate is fixedly connected with the connecting block, the connecting block is fixedly connected with the threaded rod, and the threaded rod is limited by the connecting block and cannot rotate, so that the rotating tube drives the threaded rod with two screwed ends to extend towards the outside of the rotating tube, and further drives the expanded movable plate, the connecting rod and the claw hook to be attached to a wall in an elevator shaft, and the device is expanded and fixed in the elevator shaft.

Description

Safety device is used in elevator maintenance

Technical Field

The utility model relates to the technical field of elevator maintenance, in particular to a safety protection device for elevator maintenance.

Background

With the progress of society and the development of times, elevators become an indispensable part of people's daily life gradually, and the elevators need to be overhauled every year, prevent that the elevator from breaking down in the operation, if the elevator breaks down in the operation, just need elevator maintenance workman to get into the elevator shaft and inspect the elevator.

When the elevator was maintained, the elevator can be because not fixed good sudden drop for the maintenance personal who examines maintenance work at the car top is injured along with the drop of car, appears more serious accident even, but current safety device for elevator maintenance does not have the function that can let maintenance personal not drop along with the car together, for this reason, we provide a safety device for elevator maintenance.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a safety protection device for elevator maintenance.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides an elevator maintenance uses safety device, includes solid fixed ring, gu fixed ring's bottom outer wall welding has the link, and gu fixed ring's inner wall rotates and is connected with the rotating tube, the equal spiro union in inner wall both ends of rotating tube has the threaded rod, and the threaded rod keeps away from the one end of rotating tube and all welds the connecting block, gu fixed ring's both sides outer wall all welds the mounting panel, and one side outer wall of one of them mounting panel installs servo motor, two the both sides outer wall of mounting panel all is provided with adjustment mechanism, and adjustment mechanism includes the sleeve pipe, overlaps locates the telescopic movable rod, welds in the connecting plate that the movable rod kept away from sleeve pipe one end, articulates in the fly leaf of connecting plate one side outer wall one end, welds in the fly leaf and keeps away from the connecting rod of articulated department one end and weld in the claw that connects in connecting rod one end.

Preferably, the two ends of the peripheral inner wall of the rotating tube are provided with threads matched with the threaded rod, and the directions of the threads at the two ends of the peripheral inner wall of the rotating tube are opposite.

Preferably, the outer wall around the rotating pipe is sleeved with a toothed ring, and an output shaft of the servo motor is sleeved with a gear which is meshed with the toothed ring.

Preferably, the outer wall of one end of the sleeve is welded with the outer wall of one side of the mounting plate, and the outer diameter of the movable rod is matched with the inner diameter of the sleeve.

Preferably, the pipe strap is welded to the one end of articulated department is kept away from to connecting plate one side outer wall, and the pipe strap forms interference fit with the connecting rod, and the one end outer wall that the connecting plate is close to the pipe strap is fixed with one side outer wall welded of connecting block.

Preferably, the servo motor is connected with a switch on the outer wall of one side of the mounting plate through a wire, and the switch is connected with an external power supply through a wire.

The utility model has the beneficial effects that:

rotate through servo motor and drive the rotating tube and rotate, because the movable rod cover is located in the cover pipe, the cover pipe is connected fixedly with the mounting panel, the connecting plate is connected fixedly with the connecting block, the connecting block is connected fixedly with the threaded rod, the threaded rod receives the restriction of connecting block and can not rotate, so the pivoted rotating tube drives the threaded rod of both ends spiro union and extends to the rotating tube outside, and then drive the fly leaf that expandes, connecting rod and claw collude and hug closely with the wall in the elevator well, make the device expand to be fixed in the elevator well, be connected with the link through the safety rope on one's body with the staff, staff's personal safety can be ensured, avoid taking place the accident because of the accident.

Drawings

Fig. 1 is an expanded schematic view of the whole structure of a safety protection device for elevator maintenance according to the present invention;

fig. 2 is a schematic structural view of an adjusting mechanism of a safety protection device for elevator maintenance according to the present invention;

fig. 3 is a schematic view showing the overall structure of a safety protection device for elevator maintenance according to the present invention.

In the figure: the device comprises a fixing ring 1, a hanging ring 2, a rotating tube 3, a threaded rod 4, a connecting block 5, a toothed ring 6, a mounting plate 7, a servo motor 8, an adjusting mechanism 9, a sleeve 10, a movable rod 11, a connecting plate 12, a pipe clamp 13, a movable plate 14, a connecting rod 15 and a claw hook 16.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-3, a safety protection device for elevator maintenance comprises a fixed ring 1, wherein a hanging ring 2 is welded on the outer wall of the bottom of the fixed ring 1, a rotating pipe 3 is rotatably connected on the inner wall of the fixed ring 1, threads matched with threaded rods 4 are formed at two ends of the peripheral inner wall of the rotating pipe 3, the thread directions of the two ends of the peripheral inner wall of the rotating pipe 3 are opposite, threaded rods 4 are respectively screwed at two ends of the inner wall of the rotating pipe 3, connecting blocks 5 are respectively welded at one ends of the threaded rods 4 far away from the rotating pipe 3, mounting plates 7 are respectively welded on the outer walls of two sides of the fixed ring 1, a servo motor 8 is mounted on one outer wall of one mounting plate 7, a toothed ring 6 is sleeved on the peripheral outer wall of the rotating pipe 3, a gear meshed with the toothed ring 6 is sleeved on an output shaft of the servo motor 8, and the servo motor 8 is connected with a switch positioned on the outer wall of one side of the mounting plate 7 through a wire, the switch is connected with an external power supply through a lead;

two the both sides outer wall of mounting panel 7 all is provided with adjustment mechanism 9, and adjustment mechanism 9 includes sleeve pipe 10, movable rod 11, connecting plate 12, fly leaf 14, connecting rod 15 and claw 16, movable rod 11 cover is located in sleeve pipe 10, and connecting plate 12 welds the one end that keeps away from sleeve pipe 10 in movable rod 11, the one end outer wall of sleeve pipe 10 and the welding of one side outer wall of mounting panel 7, and the external diameter of movable rod 11 and the internal diameter looks adaptation of sleeve pipe 10, fly leaf 14 articulates in the one end of connecting plate 12 one side outer wall, and connecting rod 15 welds the one end that keeps away from articulated department in fly leaf 14, the one end welding that articulated department was kept away from to connecting plate 12 one side outer wall has pipe strap 13, and pipe strap 13 forms interference fit with connecting rod 15, and connecting plate 12 is close to one end outer wall of pipe strap 13 and the one side outer wall welded fastening of connecting block 5, claw 16 welds in the one end of connecting rod 15, rotate through servo motor 8 and drive rotating tube 3 and rotate, because the sleeve pipe 10 is located to movable rod 11 cover, sleeve pipe 10 is connected fixedly with mounting panel 7, connecting plate 12 is connected fixedly with connecting block 5, connecting block 5 is connected fixedly with threaded rod 4, threaded rod 4 receives the restriction of connecting block 5 and can not rotate, event pivoted rotating tube 3 drives threaded rod 4 of both ends spiro union and extends to rotating tube 3 outside, and then drive the fly leaf 14 that expandes, connecting rod 15 and claw collude 16 and hug closely with the wall in the elevator well, make the device expand to fix in the elevator well, be connected with link 2 through the safety rope on one's body with the staff, can ensure staff's personal safety, avoid taking place the accident because of the accident.

The working principle is as follows: the device is placed horizontally in an elevator shaft, the connecting rod 15 is pulled out of the pipe clamp 13, the movable plate 14 is unfolded to enable one end of the claw hook 16 to be far away from the pipe clamp 13, the rotating pipe 3 is driven to rotate through the rotation of the servo motor 8, the sleeve 10 is fixedly connected with the mounting plate 7 as the movable rod 11 is sleeved in the sleeve 10, the connecting plate 12 is fixedly connected with the connecting block 5, the connecting block 5 is fixedly connected with the threaded rod 4, the threaded rod 4 is limited by the connecting block 5 and cannot rotate, so the rotating pipe 3 drives the threaded rod 4 with two screwed ends to extend to the outside of the rotating pipe 3, the unfolded movable plate 14, the connecting rod 15 and the claw hook 16 are driven to approach the wall of the elevator shaft together, finally the claw hook 16 is tightly attached to the wall in the elevator shaft, the device is unfolded and fixed in the elevator shaft, a safety rope on a worker is connected with the hanging ring 2, and the personal safety of the worker can be guaranteed, avoid accidents caused by accidents.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims (6)

1. The utility model provides an elevator maintenance safety device, includes solid fixed ring (1), its characterized in that, the bottom outer wall welding of solid fixed ring (1) has link (2), and the inner wall of solid fixed ring (1) rotates and is connected with rotating-tube (3), the equal spiro union in inner wall both ends of rotating-tube (3) has threaded rod (4), and threaded rod (4) keep away from the one end of rotating-tube (3) and all weld connecting block (5), the both sides outer wall of solid fixed ring (1) all welds mounting panel (7), and one side outer wall of one of them mounting panel (7) installs servo motor (8), two the both sides outer wall of mounting panel (7) all is provided with adjustment mechanism (9), and adjustment mechanism (9) include sleeve pipe (10), the cover locate movable rod (11) in sleeve pipe (10), weld connecting plate (12) of keeping away from sleeve pipe (10) one end in movable rod (11), A movable plate (14) hinged at one end of the outer wall at one side of the connecting plate (12), a connecting rod (15) welded at one end of the movable plate (14) far away from the hinged position and a claw hook (16) welded at one end of the connecting rod (15).

2. The safety protection device for elevator maintenance according to claim 1, wherein the two ends of the peripheral inner wall of the rotating tube (3) are provided with threads matched with the threaded rod (4), and the directions of the threads at the two ends of the peripheral inner wall of the rotating tube (3) are opposite.

3. The safety protection device for elevator maintenance according to claim 1, wherein a toothed ring (6) is sleeved on the peripheral outer wall of the rotating pipe (3), and a gear meshed with the toothed ring (6) is sleeved on an output shaft of the servo motor (8).

4. The safety protection device for elevator maintenance according to claim 1, characterized in that the outer wall of one end of the sleeve (10) is welded with the outer wall of one side of the mounting plate (7), and the outer diameter of the movable rod (11) is matched with the inner diameter of the sleeve (10).

5. The safety protection device for elevator maintenance according to claim 1, characterized in that a pipe clamp (13) is welded to one end of the outer wall of one side of the connecting plate (12) far away from the hinge joint, the pipe clamp (13) and the connecting rod (15) form an interference fit, and the outer wall of one end of the connecting plate (12) close to the pipe clamp (13) is welded and fixed to the outer wall of one side of the connecting block (5).

6. The safety device for elevator maintenance according to claim 1, wherein the servo motor (8) is connected with a switch on the outer wall of one side of the mounting plate (7) through a wire, and the switch is connected with an external power supply through a wire.

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