CN217102592U

CN217102592U - Buffer protection device provided in elevator car

Info

Publication number: CN217102592U
Application number: CN202220884452.0U
Authority: CN
Inventors: 张东成; 肖建峰; 罗新福
Original assignee: Guangdong Fuji Elevator Co ltd
Current assignee: Guangdong Fuji Elevator Co ltd
Priority date: 2022-04-15
Filing date: 2022-04-15
Publication date: 2022-08-02
Anticipated expiration: 2032-04-15

Abstract

The utility model belongs to the elevator field, in particular to a buffer protection device in an elevator car, aiming at the problem that the prior elevator is not provided with a buffer device, the buffer function is difficult to realize when the elevator normally falls and accidents occur, the buffer protection device plays a role of protecting users, simultaneously, the brake of the elevator is more single, and the provided protection effect is not good enough, the following proposal is provided, which comprises a rotating speed detector and a traction machine which are arranged at the top of an elevator shaft, the inner wall of the elevator shaft is connected with a car body and a load bearing block in a sliding way, the buffer function is realized by arranging two groups of buffer components, simultaneously, when the elevator accidents occur, the brake function can be realized by the brake components, the arrangement of the wear-resisting plate and the wood plate realizes the brake function in two ways, the brake effect is greatly improved, the brake protection device is used for protecting users, and the alarm can be given in time, the staff is informed quickly, and the use is convenient.

Description

Buffer protection device provided in elevator car

Technical Field

The utility model relates to an elevator technical field especially relates to an inside buffering protection device from area of elevator car.

Background

An elevator is a permanent transport device serving a number of specific floors in a building, the cars of which travel in at least two rigid tracks perpendicular to the horizontal or inclined at an angle of less than 15 ° to the vertical. There are also steps, where the tread plates are mounted on a track for continuous operation, commonly known as escalators or moving walkways. A fixed elevator apparatus serving a predetermined floor. The vertical lift elevator has a car that runs between at least two vertical rows of rigid guide rails or guide rails with an angle of inclination of less than 15 °.

The existing elevator does not have a buffer device, the buffer function is difficult to realize when the elevator normally falls and has an accident situation, the user protection effect is achieved, the braking of the elevator is single, the protection effect is not good enough, and therefore the buffer protection device provided by the elevator car is provided for solving the problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the elevator that exists among the prior art and not possessing buffer, when the elevator normally falls and the unexpected condition appears, all be difficult to realize buffer function, play protection user's effect, also comparatively single to the braking of elevator simultaneously, the not good enough shortcoming of protection effect that provides, and the inside buffer protection device from taking of an elevator car that provides.

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

a buffer protection device provided in an elevator car comprises a rotating speed detector and a traction machine which are arranged at the top of an elevator shaft, wherein the inner wall of the elevator shaft is connected with a car body and a load-bearing block in a sliding manner, the car body and the load-bearing block are connected through hoisting ropes, the two hoisting ropes are wound on the rotating speed detector and the traction machine respectively, and a buffer component for realizing a buffer function is arranged on the inner wall of the bottom of the elevator shaft;

the elevator shaft is characterized in that fixing boxes are fixedly connected to the inner walls of the two sides of the elevator shaft, and a braking assembly used for achieving a braking function is arranged inside each fixing box.

Preferably, the buffering subassembly includes two first dampers and two second dampers that fixed connection set up at elevator shaft bottom inner wall symmetry, two the same second buffer board of top fixedly connected with of first damper, two the same first buffer board of top fixedly connected with of second damper for realize buffer function.

Preferably, the brake assembly comprises a sliding plate slidably connected to the inner wall of the elevator shaft, a rubber plate is fixedly connected to one side of the sliding plate, an abrasion-resistant plate is fixedly connected to one side of the rubber plate, two electric push rods symmetrically arranged are fixedly connected to the inner wall of one side of the fixing box, and piston rods of the electric push rods are fixedly connected to one side of the sliding plate and used for braking the elevator.

Preferably, one side of the sliding plate is fixedly connected with a plurality of wood plates, and the hardness of the wood plates is gradually enhanced from bottom to top for realizing the braking function.

Preferably, the top of the sliding plate is provided with a clamping groove, the top of the fixed box is slidably penetrated with a clamping block clamped with the clamping groove, the top of the clamping block is fixedly connected with a limiting plate, and two symmetrically arranged tension springs are fixedly connected between the bottom of the limiting plate and the top of the fixed box and used for fixing the sliding plate.

Preferably, the top fixed connection of fixed box has elastic switch, one side inner wall fixed connection of fixed box has the alarm with elastic switch electric connection for report to the police fast.

Compared with the prior art, the beneficial effects of the utility model are that:

1. when the car body normally falls, the buffer provided by the second buffer plate and the first damper is enough to achieve the buffer function, when the car body breaks down and falls rapidly, the first buffer plate and the second damper can provide buffer again for improving the buffer performance, meanwhile, the rotating speed of the rotating speed detector is increased, the traction rope is tensioned, and the car body is prevented from falling continuously;

2. when the electric push rod is started, a piston rod of the electric push rod drives the sliding plate to transversely move, the sliding plate drives the wood plate, the rubber plate and the wear-resisting plate to transversely move, the wear-resisting plate is in contact with one side of the car body, and the car body is braked by using friction force;

3. simultaneously the plank removes to the top of heavy burden piece, and the hardness of a plurality of planks is strengthened gradually by supreme down, and the car body brakes once more promotes braking effect, and the limiting plate is vertical downstream under the effect of extension spring pulling force, and the limiting plate drives the vertical downstream of fixture block and with the draw-in groove block, avoids the sliding plate to kick-back, and limiting plate and elastic switch contact simultaneously, the alarm begins to report to the police for inform the staff fast.

The utility model discloses in, realize buffer function through setting up two sets of buffering subassemblies, when the elevator is unexpected, can realize braking function through braking assembly simultaneously, the setting of antifriction plate and plank to two kinds of modes realize braking function, promote braking effect by a wide margin, be used for the protection user, can also in time report to the police, inform staff, convenient to use fast.

Drawings

Fig. 1 is a schematic three-dimensional structure diagram of a self-contained buffer protection device in an elevator car according to the present invention;

fig. 2 is a schematic three-dimensional structure diagram of the fixing box of the present invention;

fig. 3 is a schematic three-dimensional sectional structural view of the fixing box of the present invention;

fig. 4 is a schematic view of the three-dimensional structure of the middle fixing box and the wood board of the present invention.

In the figure: 1. an elevator shaft; 2. a car body; 3. a rotation speed detector; 4. a traction machine; 5. a hoisting rope; 6. a negative weight block; 7. a first damper; 8. a first buffer plate; 9. a second damper; 10. a second buffer plate; 11. a fixing box; 12. a wear plate; 13. a wood board; 14. a limiting plate; 15. a rubber plate; 16. a sliding plate; 17. an electric push rod; 18. an alarm; 19. a card slot; 20. a tension spring; 21. a clamping block; 22. an elastic switch.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Example one

Referring to fig. 1-4, a self-contained buffer protection device in an elevator car comprises a rotating speed detector 3 and a traction machine 4 which are arranged at the top of an elevator shaft 1, wherein the inner wall of the elevator shaft 1 is connected with a car body 2 and a load block 6 in a sliding manner, the car body 2 and the load block 6 are connected through a hoisting rope 5, the two hoisting ropes 5 are respectively wound on the rotating speed detector 3 and the traction machine 4, and a buffer component for realizing a buffer function is arranged on the inner wall of the bottom of the elevator shaft 1;

the both sides inner wall fixedly connected with of elevartor shaft 1 fixes box 11, and the inside of fixing box 11 is provided with the braking subassembly that is used for realizing braking function.

Example two

Referring to fig. 1-4, a self-contained buffer protection device in an elevator car comprises a rotation speed detector 3 and a traction machine 4 which are arranged at the top of an elevator shaft 1, wherein the inner wall of the elevator shaft 1 is connected with a car body 2 and a load bearing block 6 in a sliding manner, the car body 2 and the load bearing block 6 are connected through a traction rope 5, the two traction ropes 5 are respectively wound on the rotation speed detector 3 and the traction machine 4, a buffer component for realizing a buffer function is arranged on the inner wall of the bottom of the elevator shaft 1, the buffer component comprises two first dampers 7 and two second dampers 9 which are fixedly connected to the inner wall of the bottom of the elevator shaft 1 and symmetrically arranged, the tops of the two first dampers 7 are fixedly connected with a same second buffer plate 10, and the tops of the two second dampers 9 are fixedly connected with a same first buffer plate 8 for realizing the buffer function;

the elevator braking device comprises an elevator shaft 1, wherein fixed boxes 11 are fixedly connected to the inner walls of two sides of the elevator shaft 1, braking components for achieving a braking function are arranged inside the fixed boxes 11, each braking component comprises a sliding plate 16 which is slidably connected to the inner wall of the elevator shaft 1, a rubber plate 15 is fixedly connected to one side of each sliding plate 16, an abrasion-resistant plate 12 is fixedly connected to one side of each rubber plate 15, two electric push rods 17 which are symmetrically arranged are fixedly connected to the inner wall of one side of each fixed box 11, piston rods of the electric push rods 17 are fixedly connected to one side of each sliding plate 16 and are used for braking an elevator, a plurality of wood plates 13 are fixedly connected to one side of each sliding plate 16, the hardness of the plurality of wood plates 13 is gradually enhanced from bottom to top and are used for achieving the braking function, clamping grooves 19 are formed in the top of each sliding plate 16, clamping blocks 21 which are clamped with the clamping grooves 19 penetrate through the top of the fixed boxes 11 in a sliding mode, limiting plates 14 are fixedly connected to the tops of the clamping blocks 14, and two tension springs 20 which are symmetrically arranged between the bottoms of the limiting plates 14 and the tops of the fixed boxes 11, the alarm device is used for fixing the sliding plate 16, the elastic switch 22 is fixedly connected to the top of the fixing box 11, and the alarm 18 electrically connected with the elastic switch 22 is fixedly connected to the inner wall of one side of the fixing box 11 and used for giving an alarm quickly.

The working principle is as follows: when the car body 2 normally falls, the buffer provided by the second buffer plate 10 and the first damper 7 is enough to achieve a buffer function, when the car body 2 is broken down and falls rapidly, the first buffer plate 8 and the second damper 9 can provide buffer again for improving the buffer performance, meanwhile, the rotating speed of the rotating speed detector 3 is increased, the hauling rope 5 is tensioned to prevent the car body 2 from continuously falling, the electric push rod 17 is started, the piston rod of the electric push rod 17 drives the sliding plate 16 to move transversely, the sliding plate 16 drives the wood plate 13, the rubber plate 15 and the wear plate 12 to move transversely, the wear plate 12 is in contact with one side of the car body 2, the car body 2 is braked by using friction force, meanwhile, the wood plate 13 moves to the upper part of the load bearing block 6, the hardness of the wood plates 13 is gradually enhanced from bottom to top, the car body 2 is braked again, the braking effect is improved, the limiting plate 14 vertically moves downwards under the tension of the tension spring 20, the limiting plate 14 drives the clamping block 21 to vertically move downwards and be clamped with the clamping groove 19, the sliding plate 16 is prevented from rebounding, meanwhile, the limiting plate 14 is contacted with the elastic switch 22, and the alarm 18 starts to give an alarm for rapidly informing a worker.

As is well known to those skilled in the art, the working principle and wiring method of the rotation speed detector 3, the traction machine 4, the electric push rod 17, the alarm 18 and the elastic switch 22 are common and are conventional means or common knowledge, and thus, they will not be described herein again, and those skilled in the art can make any choice according to their needs or convenience.

Claims

1. The buffer protection device provided by the elevator car comprises a rotating speed detector (3) and a traction machine (4) which are arranged at the top of an elevator shaft (1), wherein the inner wall of the elevator shaft (1) is connected with a car body (2) and a load block (6) in a sliding manner, the car body (2) and the load block (6) are connected through traction ropes (5), and the two traction ropes (5) are wound on the rotating speed detector (3) and the traction machine (4) respectively;

the elevator shaft is characterized in that the inner walls of two sides of the elevator shaft (1) are fixedly connected with fixing boxes (11), and a braking assembly used for achieving a braking function is arranged inside each fixing box (11).

2. The elevator car interior self-contained buffer protection device according to claim 1, characterized in that the buffer assembly comprises two first dampers (7) and two second dampers (9) which are fixedly connected to the bottom inner wall of the elevator shaft (1) and symmetrically arranged, the top of the two first dampers (7) is fixedly connected with the same second buffer plate (10), and the top of the two second dampers (9) is fixedly connected with the same first buffer plate (8).

3. The elevator car interior self-contained buffer protection device according to claim 1, characterized in that the brake assembly comprises a sliding plate (16) slidably connected to the inner wall of the elevator shaft (1), a rubber plate (15) is fixedly connected to one side of the sliding plate (16), an abrasion-resistant plate (12) is fixedly connected to one side of the rubber plate (15), two electric push rods (17) symmetrically arranged are fixedly connected to the inner wall of one side of the fixed box (11), and piston rods of the electric push rods (17) are fixedly connected to one side of the sliding plate (16).

4. The elevator car interior self-contained buffer protection device according to claim 3, characterized in that one side of the sliding plate (16) is fixedly connected with a plurality of wooden plates (13), and the hardness of the plurality of wooden plates (13) is gradually increased from bottom to top.

5. The elevator car interior self-contained buffer protection device according to claim 3, wherein a clamping groove (19) is formed in the top of the sliding plate (16), a clamping block (21) clamped with the clamping groove (19) penetrates through the top of the fixed box (11) in a sliding manner, a limiting plate (14) is fixedly connected to the top of the clamping block (21), and two symmetrically arranged tension springs (20) are fixedly connected between the bottom of the limiting plate (14) and the top of the fixed box (11).

6. The elevator car interior self-contained buffer protection device according to claim 1, characterized in that the top of the fixing box (11) is fixedly connected with an elastic switch (22), and the inner wall of one side of the fixing box (11) is fixedly connected with an alarm (18) electrically connected with the elastic switch (22).