CN211004073U - Buffering elevator car - Google Patents

Abstract

The utility model provides a buffer elevator car, which relates to the technical field of elevators. The utility model relates to a buffer elevator car, which comprises a car, a plurality of buffer parts arranged below the car, and a buffer base. It includes a horizontally placed first substrate, a vertically placed second substrate fixed to one edge of the first substrate, a limit ring with one end fixed to the first substrate and the other end fixed to the second substrate, The buffer bracket and the guide wheel are movably connected with the limit ring, the non-connecting end of the buffer bracket is provided with a first through hole, and the guide wheel passes through the first through hole to make a circular motion. The utility model has graded shock absorption, the impact force generated by the deceleration mode is small, and the vibration sense in the car is weak, which can provide assistance in the process of re-rising of the elevator, and reduce the energy consumption in the process of elevator hoisting.

Description

A buffer elevator car

technical field

The utility model relates to the technical field of elevators, in particular to a buffer elevator car.

Background technique

An elevator is a vertical lift powered by an electric motor, equipped with a box-like pod, used to carry people or carry goods in multi-storey buildings. There are also step type, the tread plate is installed on the crawler to run continuously, commonly known as escalator or moving walk. Fixed lift equipment serving specified floors. Vertical lift elevators have a car that facilitates passenger access or loading and unloading of goods.

The use of elevators facilitates people's daily travel and improves social and public welfare. With more and more high-rise buildings in cities, the use of elevators is also increasing, and the demand for elevators is also increasing. The comfort level of the elevator is also getting higher and higher, and the shock absorption performance during the use of the elevator is an important factor that determines its comfort level.

In the prior art, most of the buffer devices of the elevator car are elastic devices fixed to the bottom of the car, which will have obvious vibration when the elevator descends, and the shock absorption effect is not good. After long-term use, it will shake when landing Sometimes there is a violent vibration. The deceleration method in the prior art is one-step deceleration, and the car gradually decelerates after contacting the shock-absorbing device. The passengers felt a great shock.

Utility model content

In view of this, the present utility model provides a buffer elevator car, which has the advantages of graded shock absorption, small impact force generated by the deceleration method, weak vibration in the car, and can provide assistance in the process of the elevator rising again, reducing the lifting process of the elevator. energy consumption in.

The utility model relates to a buffer elevator car, which comprises a car, a plurality of buffer parts arranged below the car, and a buffer base, wherein the buffer base is arranged at the center position directly below the car, and the buffer parts It includes a horizontally placed first substrate, a vertically placed second substrate fixed to one edge of the first substrate, a limit ring with one end fixed to the first substrate and the other end fixed to the second substrate, A buffer bracket and a guide wheel that are movably connected to the limit ring, the non-connecting end of the buffer bracket is provided with a first through hole, the guide wheel passes through the first through hole for circular motion, and also includes one end A first elastic piece fixed with the first base plate and the other end fixed with a buffer bracket, one end fixed with the second base plate and a second elastic piece fixed with the buffer bracket at the other end, so that the buffer bracket is inclined , the bottom of the car is provided with a chute, and the guide wheel can reciprocate in the chute.

Preferably, the buffer base includes a stable seat, a movable plate, a spring for connecting the stable seat and the movable plate, and a shock-absorbing column fixed to the stable seat.

Preferably, the shock-absorbing columns and springs are alternately arranged.

Preferably, the buffer support is in the shape of a rectangular parallelepiped.

Preferably, the buffer member further includes a safety post fixed to the first substrate.

Preferably, the unfixed end of the safety post is provided with a groove.

Preferably, the groove has an inclined surface, and the buffer bracket can abut with the inclined surface.

Preferably, the number of the buffers is 4.

Preferably, one end of the buffer bracket is provided with a second through hole for the limiting ring to pass through.

In this utility model, during the damping process of the elevator, the car first comes into contact with the buffer member, and then the speed is lowered due to the action of the guide wheel and the buffer bracket. This deceleration process is not a direct impact collision, but slowly transfers the resistance to the car. After the speed of the car is partially reduced, it is further reduced by the buffer base. Graded shock absorption, the impact force generated by the deceleration method is small, and the vibration in the car is weak, which can provide assistance in the process of the elevator re-rising and reduce the energy consumption during the elevator lifting process.

Description of drawings

Fig. 1 is the structural representation of a kind of buffer elevator car provided in the specific embodiment of the present utility model;

2 is a schematic structural diagram of a buffer member for buffering an elevator car provided in a specific embodiment of the present invention;

FIG. 3 is a schematic diagram of a partially enlarged structure in the figure;

4 is a schematic structural diagram of a chute for buffering an elevator car provided in a specific embodiment of the present invention;

5 is a schematic structural diagram of a buffer base for buffering an elevator car provided in a specific embodiment of the present invention;

6 is a schematic structural diagram of a safety column for buffering an elevator car provided in a specific embodiment of the present invention;

FIG. 7 is a schematic structural diagram of a buffer bracket for buffering an elevator car provided in a specific embodiment of the present invention.

Among them: 1-car; 11-chute; 2-buffer; 21-first base plate; 22-second base plate; 23-limiting ring; 24-buffer bracket; 241-first through hole; 242-th 2 through holes; 25 - guide wheel; 26 - first elastic part; 27 - second elastic part; 28 - safety post; 281 - groove; 3 - buffer base; 31 - stable seat; 32 - movable plate; 33-spring; 34-shock column.

Detailed ways

The present invention will be described in detail below according to specific embodiments.

Please refer to FIG. 1 to FIG. 7 , a buffer elevator car includes a car 1 , a plurality of buffer members 2 arranged below the car 1 , and a buffer base 3 , and the buffer base 3 is arranged on the bottom of the car 1 . In the center position just below, the buffer member 2 includes a first substrate 21 placed horizontally, a second substrate 22 placed vertically and fixed to an edge of the first substrate 21 , and one end of which is fixed to the first substrate 21 The other end is fixedly connected with the limit ring 23 of the second base plate 22 , the buffer bracket 24 movably connected with the limit ring 23 , and the guide wheel 25 , and the non-connected end of the buffer bracket 24 is provided with a first through hole 241, the guide wheel 25 makes a circular motion through the first through hole 241, and also includes a first elastic member 26, one end of which is fixed to the first base plate 21 and the other end is fixed to the buffer bracket 24. The second base plate 22 is fixed to the second elastic member 27, the other end of which is fixed to the buffer bracket 24, so that the buffer bracket 24 is inclined, because the second elastic member 27 is stretched when the buffer bracket 24 is inclined. The first elastic member 26 is in a compressed state, so when the elevator car 1 contacts the buffer member 2, it will receive resistance. 11 reciprocating movements.

The buffer bracket 24 can be rotated up and down.

The first elastic member 26 and the second elastic member 27 have certain elasticity and can reciprocate, which can be springs 33. When the car 1 is about to drop to the ground, the car 1 first contacts the guide wheel 25, The buffer bracket 24 is subjected to compression force, because the first elastic member 26 connected to the buffer bracket 24 is in a compressed state and the second elastic member 27 is in tension, and the end of the buffer bracket 24 with the guide wheel 25 contacts the car. 1 at the bottom, under the action of pressure, the buffer bracket 24 will be pressed to rotate clockwise along the limit, and at the same time the guide wheel 25 slides to the center of the bottom of the car 1, the elastic force of the first elastic member 26, the second elastic member The stretching effect of 27 provides a resistance to the car 1 through the guide wheel 25. The function of the guide wheel 25 here is mainly to prevent the impact force from directly impacting the buffer bracket 24 when the car 1 falls, causing the buffer bracket. The brittle fracture of 24, the use of the guide wheel 25 can change the direction of force transmission, and increase the temperature during the use of the structure. The material of the buffer bracket 24 should be a material with high strength, such as stainless steel. The guide wheel 25 should be made of a material with good wear resistance and good toughness, such as foam rubber elasticity. The limit ring 23 may be an iron ring, a stainless steel ring, or the like.

The buffer base 3 includes a stable seat 31 , a movable plate 32 , a spring 33 for connecting the stable seat 31 and the movable plate 32 , and a shock-absorbing column 34 fixed to the stable seat 31 . The columns 34 and the springs 33 are alternately arranged. When the car 1 contacts the buffer base 3, the second step of buffering the car 1 is performed. During the buffering process, the car 1 first contacts the movable plate 32, and then squeezes the movable plate 32. Moving down, under the action of the elastic force of the spring 33, it gives resistance to the car 1, hindering the downward movement of the car 1. When the car 1 continues to move downward, it contacts the shock-absorbing column 34, and the shock-absorbing column 34 performs the final buffering. Vibration until the elevator stops. The shock-absorbing column 34 can be made of high-elasticity rubber, such as butyl rubber and nitrile rubber.

When the elevator starts to move upward, an upward force will be given to the car 1 under the action of the spring 33. At the same time, the elastic force of the first elastic member 26 and the pulling force of the second elastic member 27 will transmit the force through the guide wheel 25, which is a force for the car. 1 Provide an upward force to save the energy of elevator starting.

Wherein, the buffer support 24 is in the shape of a rectangular parallelepiped. In order to prevent the buffer bracket 24 from being compressed to a horizontal position and causing mechanical damage, a safety post 28 is fixed on the first base plate 21 . The unfixed end of the safety post 28 is provided with a groove 281 , the groove 281 has an inclined surface, and the buffer bracket 24 can abut with the inclined surface. The design of the groove 281 can enter the groove 281 when the buffer bracket 24 is compressed to contact the safety post 28 and abut with the inclined surface.

The number of the buffer members 2 is 4, and there are correspondingly 4 guide wheels 25 , and every two guide wheels 25 on the same side slide in the same chute 11 . The position of the second base plate 22 should be at the periphery of the position just below the base of the car 1 to prevent the elevator from hitting the second base plate 22 first when descending.

One end of the buffer bracket 24 is provided with a second through hole 242 for the limiting ring 23 to pass through.

The working process of the buffer in the present invention: the elevator moves downward, when the car 1 is about to drop to the ground, the car 1 first contacts the guide wheel 25, and the first elastic member 26 connected with the buffer bracket 24 is in a compressed state , The second elastic member 27 is in tension, when the end of the buffer bracket 24 with the guide wheel 25 contacts the bottom of the car 1, under the action of pressure, the buffer bracket 24 will be forced to rotate clockwise along the limit, and at the same time The guide wheel 25 slides along the chute 11 to the central part of the bottom of the car 1 to perform the first step of deceleration; then the car 1 touches the movable plate 32, the movable plate 32 moves downward, is compressed, and gives the car 1 With a resistance, the car 1 continues downward, the movable plate 32 contacts with the shock-absorbing column 34, further damping and decelerating, until the car 1 is stationary, and the shock-absorbing bracket enters the groove 281 and abuts against the inclined surface. When the elevator starts to rise, it will give the car 1 an upward force under the action of the spring 33. At the same time, the elastic force of the first elastic member 26 and the pulling force of the second elastic member 27 transmit the force through the guide wheel 25, so as to provide the car 1 with an upward force. An upward force is provided until the car 1 is not in contact with the guide pulley 25, saving the energy for starting the elevator.

In the present invention, the elevator car 1 is in contact with the buffer member 2 during the shock absorption process of the elevator, and the speed is reduced by the action of the guide wheel 25 and the buffer bracket 24. This speed reduction process is not a direct impact collision, but a slow transmission of resistance to The speed of the car 1 and the car 1 is partially reduced, and then the speed of the car 1 is further reduced by the buffer base 3 . Graded shock absorption, the impact force generated by the deceleration method is small, and the vibration sense in the car 1 is weak, which can provide assistance in the process of the elevator re-rising, and reduce the energy consumption during the elevator lifting process.

The present invention is not limited to the above-mentioned specific embodiments, and various modifications and changes can be made to the present invention. Any modification, equivalent replacement, improvement, etc. made to the above embodiments according to the technical essence of the present invention shall be included in the protection scope of the present invention.

Claims (9)

1. A buffer elevator car comprises a car, a plurality of buffer parts arranged below the car and a buffer base, it is characterized in that the buffer piece comprises a first base plate horizontally arranged, a second base plate vertically arranged and fixedly connected with one edge of the first base plate, a limit ring with one end fixedly connected with the first base plate and the other end fixedly connected with the second base plate, a buffer bracket movably connected with the limit ring and a guide wheel, the non-connecting end of the buffer bracket is provided with a first through hole, the guide wheel passes through the first through hole to do circular motion, and the guide wheel also comprises a first elastic part with one end fixedly connected with the first substrate and the other end fixedly connected with the buffer bracket, and a second elastic part with one end fixedly connected with the second substrate and the other end fixedly connected with the buffer bracket, so that the buffer bracket inclines, a sliding groove is arranged at the bottom of the cage, and the guide wheel can reciprocate in the sliding groove.

2. The cushioned elevator car of claim 1, wherein the cushioned base comprises a stabilizing base, a movable plate, a spring connecting the stabilizing base and the movable plate, and a shock strut affixed to the stabilizing base.

3. A cushioned elevator car as set forth in claim 2, wherein said shock absorbing columns and springs are arranged in an alternating manner.

4. A cushioned elevator car as set forth in claim 1 wherein said cushion support is rectangular parallelepiped in shape.

5. The buffered elevator car of claim 4, wherein the buffer further comprises a safety post secured to the first base plate.

6. A cushioned elevator car as set forth in claim 5 wherein said unsecured end of said safety column is provided with a groove.

7. A buffer elevator car as claimed in claim 6, characterized in that the recess has a ramp against which the buffer bracket can abut.

8. A buffered elevator car as claimed in claim 1 wherein the number of buffers is 4.

9. The buffered elevator car of claim 5, wherein the buffer bracket has a second through hole at one end for the stop collar to pass through.

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