CN112408167A

CN112408167A - Damping device of elevator car

Info

Publication number: CN112408167A
Application number: CN202011430667.7A
Authority: CN
Inventors: 颜旭阳
Original assignee: Hunan Dongsheng Elevator Engineering Co ltd
Current assignee: Hunan Dongsheng Elevator Engineering Co ltd
Priority date: 2020-12-07
Filing date: 2020-12-07
Publication date: 2021-02-26

Abstract

The invention discloses a damping device of an elevator car, which comprises a car, wherein the outer wall of the lower side of the car is fixedly connected with a base, the outer wall of the upper side of the base is provided with four square grooves, the four square grooves are respectively positioned at two sides of the base, the inner walls of the four square grooves are provided with rotating blocks, the middle part of each rotating block is provided with a round hole, the inner walls of the round holes of the two rotating blocks positioned at the same side are fixedly connected with a same rotating shaft, the bottom of each rotating block is provided with two round hole grooves, the inner walls of the round hole grooves are fixedly connected with dampers, the other ends of the dampers are fixedly connected with a round pedestal, and the outer wall of the bottom. The invention controls the descending and the storage of the shock absorber through the storage type rotating blocks on the two sides of the base, provides a shock absorption effect for the descending car, avoids the shock of the car caused by excessive contact during descending, avoids the influence on personnel in the car, and improves the comfort of the use of the elevator.

Description

Damping device of elevator car

Technical Field

The invention relates to the technical field of elevators, in particular to a damping device of an elevator car.

Background

An elevator is a permanent transport device serving a number of specific floors in a building, the cars of which move on at least two rigid tracks perpendicular to the horizontal or inclined at an angle of less than 15 ° to the vertical, also of the stepped type, the tread plates being mounted on a track for continuous operation, commonly known as an escalator or a moving walkway.

The car is a car body part of an elevator for carrying passengers, goods and other loads, and generally comprises main parts such as a car bottom, a car wall, a car roof, a car door and the like.

The car is at the decline in-process, because the weight of car self and the weight influence of inside personnel goods, descends to certain floor and stops the back, and the car receives inertia to influence and has decurrent acceleration to make the car take place vibrations, influence the stability of personnel and goods in the car.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides a damping device of an elevator car.

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

the utility model provides an elevator car's damping device, includes the car, the downside outer wall fixedly connected with base of car, and the upside outer wall of base has seted up four square grooves, and four square grooves are located the both sides of base respectively, four the inner wall in square groove is provided with the turning block, and the round hole has been seted up at the middle part of turning block, and is located the same pivot of round hole inner wall fixedly connected with of two turning blocks of homonymy, two round hole grooves have been seted up to the bottom of turning block, and the inner wall fixedly connected with bumper shock absorber in round hole groove, and the other end fixedly connected with round platform seat of bumper shock absorber, the bottom outer wall fixedly connected with slipmat of round platform.

Preferably, the non-slip mat is made of rubber, and the outer wall of the bottom of the non-slip mat is provided with a plurality of non-slip grooves.

Preferably, the inside of base sets up to the cavity, and swing joint has the center pin between the both sides inner wall of base.

Preferably, the outer wall of the central shaft is fixedly connected with two driving wheels, the outer wall of the rotating shaft is fixedly connected with a traction wheel, and the driving wheels and the traction wheel are rotatably connected through a chain.

Preferably, an inner wall of one side of the base is fixedly connected with a motor, and an output shaft of the motor is connected with the central shaft through a coupling.

Preferably, the outer wall of one side of the rotating block is fixedly connected with two triangular stop blocks, and the two triangular stop blocks are respectively positioned at the two ends of the outer wall of one side of the rotating block and are symmetrically distributed.

Preferably, the outer wall of the upper side of the rotating block is provided with a round hole groove, the inner wall of the round hole groove is fixedly connected with a spring, the other end of the spring is fixedly connected with a backing plate, and the outer wall of the upper side of the backing plate is provided with dense rubber bumps.

Preferably, four circular hole grooves are formed in the outer wall of the upper side of the base, the four circular hole grooves are respectively located at four corners of the outer wall of the upper side of the base, dampers are fixedly connected to the inner walls of the four circular hole grooves, and the other ends of the four dampers are fixedly connected with the outer wall of the bottom of the same car.

The invention has the beneficial effects that:

1. through the arranged lift car, the base, the rotating block, the rotating shaft, the shock absorbers, the round table seat and the non-slip mat, when the lift car is in use, before the lift car enters a floor to be stopped, the rotating block is driven by the rotating shaft to rotate and is downwards placed and extended from two sides of the base, finally, the rotating block is in a horizontal state, before the lift car stops falling, the round table seat positioned on the lower side of the rotating block is in contact with the platform, after the contact, the round table seat is stressed to extrude the shock absorbers above, and the shock absorbers buffer and shock absorption are carried out, so that the shock of the lift car caused after the falling; the device controls the transfer and accomodate of bumper shock absorber through the formula turning block of accomodating of base both sides, provides the shock attenuation effect for the car that descends, causes the contact to excessively make the car vibrations appear when avoiding descending, causes the influence to personnel in the car, improves the travelling comfort that the elevator used.

2. Through the arranged non-slip mat, the non-slip mat is made of rubber, the bottom of the non-slip mat is provided with the non-slip groove, so that the non-slip mat can increase the stability while providing a certain shock absorption effect for the device, and parts of the device are protected from being directly contacted with the platform to cause damage; the triangular stop block can limit the rotation angle of the rotating block, so that the rotating block is just in a horizontal state, and the rotating block is prevented from excessively rotating; spring, backing plate and rubber bump's setting, the turning block when accomodating, the backing plate can contact earlier than the outer wall of car, can extrude the spring behind the backing plate atress, avoids the contact to excessively cause the surface emergence concave-convex deformation of turning block and car, and rubber bump can play the guard action to the outer wall of car simultaneously.

3. Through the attenuator that sets up, the car is at the decline in-process, and the base that is located transferring is in the stop state back, and the top car has decurrent acceleration owing to there is the inertial influence of falling speed to the attenuator to the below extrudees, and this share of pressure can be cushioned to the attenuator, improves the stability of car, avoids appearing excessive shock and shake.

Drawings

Fig. 1 is a schematic view of the overall structure of a damping device for an elevator car according to embodiment 1;

fig. 2 is a partial structural schematic view of a damping device of an elevator car according to embodiment 1;

fig. 3 is a schematic view of a rotating block structure of a damping device of an elevator car according to embodiment 1;

fig. 4 is a partial disassembled structure schematic diagram of a rotating block of the damping device of the elevator car provided by the embodiment 1;

fig. 5 is a schematic view of a base structure of a damping device for an elevator car according to embodiment 2.

In the drawings: 1-a car; 2-a base; 3-turning the block; 4-a rotating shaft; 5-a shock absorber; 6-round pedestal; 7-a non-slip mat; 8-central axis; 9-driving wheel; 10-a traction wheel; 11-an electric motor; 12-a triangular stop block; 13-a spring; 14-a backing plate; 15-rubber bumps; 16-damper.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

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.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Example 1

Referring to fig. 1-4, a damping device of elevator car, including car 1, there is base 2 car 1's downside outer wall through bolted connection, and base 2's upside outer wall has seted up four square grooves, four square grooves are located the both sides of base 2 respectively, four square groove's inner wall is provided with turning block 3, the round hole has been seted up at the middle part of turning block 3, and the round hole inner wall that is located two turning block 3 of homonymy has same pivot 4 through bolted connection, two round hole grooves have been seted up to the bottom of turning block 3, the inner wall in round hole groove has bumper shock absorber 5 through bolted connection, and the other end of bumper shock absorber 5 has round platform seat 6 through bolted connection, there is non slipping mat 7 bottom outer wall of round platform seat 6 through bolted connection.

Wherein, the non-slip mat 7 is made of rubber, the bottom outer wall of the non-slip mat 7 is provided with a plurality of non-slip grooves, the interior of the base 2 is provided with a cavity, the two side inner walls of the base 2 are rotatably connected with a central shaft 8 through bearings, the outer wall of the central shaft 8 is connected with two driving wheels 9 through bolts, the outer wall of the rotating shaft 4 is connected with a traction wheel 10 through bolts, the driving wheels 9 and the traction wheel 10 are rotatably connected through chains, the inner wall of one side of the base 2 is connected with a motor 11 through bolts, the output shaft of the motor 11 is connected with the central shaft 8 through a coupler, the outer wall of one side of the rotating block 3 is connected with two triangular stop blocks 12 through bolts, the two triangular stop blocks 12 are respectively positioned at the two ends of the outer wall of one side of the rotating block 3 and are symmetrically distributed, the outer wall, the other end of the spring 13 is connected with a backing plate 14 through a bolt, and the upper outer wall of the backing plate 14 is provided with dense rubber bumps 15.

The working principle is as follows: when the elevator is used, before the elevator car 1 enters a floor to be stopped, the rotating shaft 4 drives the rotating block 3 to rotate, the rotating block 3 is placed downwards from two sides of the base 2 to extend, finally the rotating block 3 is in a horizontal state, before the elevator car 1 stops falling, the round pedestal 6 positioned on the lower side of the rotating block 3 is in contact with a platform, after the contact, the round pedestal 6 is stressed to extrude the shock absorber 5 above, and the shock absorber 5 performs buffering and shock absorption to avoid the shock of the elevator car 1 caused by descending contact; the device controls transferring and accommodating of the shock absorber 5 through the accommodating type rotating blocks 3 on the two sides of the base 2, provides a shock absorption effect for the descending car 1, avoids vibration caused by contact transition of the descending car 1, influences personnel in the car 1, and improves the comfort of elevator use.

Example 2

Referring to fig. 5, this embodiment compares in embodiment 1, and four circular hole grooves have been seted up to base 2's upside outer wall, and four circular hole grooves are located the four corners of base 2 upside outer wall respectively, and the inner wall in four circular hole grooves all has attenuator 16 through bolted connection, and the other end of four attenuator 16 passes through bolted connection with the bottom outer wall of same car 1.

The working principle is as follows: when the elevator is used, before the elevator car 1 enters a floor to be stopped, the rotating shaft 4 drives the rotating block 3 to rotate, the rotating block 3 is placed downwards from two sides of the base 2 to extend, finally the rotating block 3 is in a horizontal state, before the elevator car 1 stops falling, the round pedestal 6 positioned on the lower side of the rotating block 3 is in contact with a platform, after the contact, the round pedestal 6 is stressed to extrude the shock absorber 5 above, and the shock absorber 5 performs buffering and shock absorption to avoid the shock of the elevator car 1 caused by descending contact; the device controls the shock absorber 5 to be placed and stored through the storage type rotating blocks 3 on the two sides of the base 2, provides a shock absorption effect for the descending car 1, avoids the situation that the descending car 1 is excessively contacted to cause vibration, influences are caused on personnel in the car 1, and improves the using comfort of the elevator; car 1 is at the descending in-process, and the base 2 that is located to transfer is in the stop state back, and top car 1 has decurrent acceleration owing to there is the inertia influence of falling speed to 16 extrudees the attenuator of below, and this strand of pressure can be cushioned to attenuator 16, improves car 1's stability, avoids appearing excessive shock and shake.

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 the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The utility model provides an elevator car's damping device, includes car (1), its characterized in that, downside outer wall fixedly connected with base (2) of car (1), and the upside outer wall of base (2) has seted up four square grooves, and four square grooves are located the both sides of base (2) respectively, four the inner wall in square groove is provided with turning block (3), and the round hole has been seted up at the middle part of turning block (3), and is located the same pivot (4) of round hole inner wall fixedly connected with of two turning blocks (3) of homonymy, two round hole grooves have been seted up to the bottom of turning block (3), and the inner wall fixedly connected with bumper shock absorber (5) in round hole groove, and the other end fixedly connected with round platform seat (6) of bumper shock absorber (5), the bottom outer wall fixedly connected with slipmat (7) of round platform seat (6).

2. The damping device for the elevator car according to claim 1, wherein the non-slip mat (7) is made of rubber, and the outer wall of the bottom of the non-slip mat (7) is provided with a plurality of non-slip grooves.

3. A shock-absorbing device for an elevator car as claimed in claim 1, characterized in that the interior of the base (2) is provided as a cavity and a central shaft (8) is movably connected between the inner walls of the two sides of the base (2).

4. The damping device for the elevator car according to claim 3, characterized in that two driving wheels (9) are fixedly connected to the outer wall of the central shaft (8), a traction wheel (10) is fixedly connected to the outer wall of the rotating shaft (4), and the driving wheels (9) and the traction wheel (10) are rotatably connected through a chain.

5. A shock-absorbing device for an elevator car as defined in claim 1, characterized in that the motor (11) is fixedly connected to one side of the inner wall of the base (2), and the output shaft of the motor (11) is coupled to the central shaft (8) by means of a coupling.

6. The damping device for the elevator car according to claim 1, characterized in that two triangular stoppers (12) are fixedly connected to the outer wall of one side of the rotating block (3), and the two triangular stoppers (12) are symmetrically arranged at two ends of the outer wall of one side of the rotating block (3).

7. The damping device for the elevator car according to claim 1, characterized in that the outer wall of the upper side of the rotating block (3) is provided with a round hole groove, the inner wall of the round hole groove is fixedly connected with a spring (13), the other end of the spring (13) is fixedly connected with a backing plate (14), and the outer wall of the upper side of the backing plate (14) is provided with dense rubber bumps (15).

8. The damping device for the elevator car according to claim 1, characterized in that four circular holes are formed in the outer wall of the upper side of the base (2), the four circular holes are respectively located at four corners of the outer wall of the upper side of the base (2), the inner walls of the four circular holes are fixedly connected with dampers (16), and the other ends of the four dampers (16) are fixedly connected with the outer wall of the bottom of the same car (1).