CN113002568B - Damping device - Google Patents

Abstract

The invention relates to a damping device, which comprises a shell and a connecting part, wherein an inner cavity is arranged in the shell, a guide part is arranged in the inner cavity, a guide hole is formed in the guide part, one end of the connecting part is arranged in the guide hole, a moving pair is formed with the guide part, and the other end of the connecting part extends out of the shell and is used for connecting a suspension bracket; the damping device provided by the invention has the advantages of compact structure, small volume and convenience in installation, not only can realize the damping in the vertical direction, but also can realize the damping in the horizontal direction, and has a good damping effect, thereby being particularly suitable for a suspension type lift car.

Description

Damping device

Technical Field

The invention relates to the technical field of rail transit, in particular to a damping device.

Background

The suspended rail transit system is a common rail transit system and generally comprises a vehicle, a rail and a suspended car, wherein the vehicle is generally arranged on the rail, and the suspended car is connected with the vehicle through a suspension bracket and is suspended below the vehicle to run along the rail under the drive of a locomotive.

In the actual running process, due to the fact that the track surface is not smooth enough, the stress condition of the car along the vertical direction is easy to generate abrupt change and other factors (such as the movement of passengers in the car), the environment factors and the like, the suspended car is easy to shake, shake and the like, the stable running of the vehicle is affected, and the riding experience effect is poor, so that in the prior art, a damping device is usually required to be arranged on the suspended car so as to buffer and absorb shock to the car, and the purpose of damping is achieved.

However, in the prior art, the damping device arranged on the suspension type car is usually insufficient, 1, the structure is complex, the occupied volume is large, a large installation space is required to be reserved in the car, 2, the installation in the car is inconvenient, the later maintenance is inconvenient, 3, the damping in the vertical direction can only be realized generally, and the damping effect is required to be improved.

Disclosure of Invention

The invention aims to overcome the defects in the prior art, and provides the damping device which is compact in structure, small in size and convenient to install, not only can realize damping in the vertical direction, but also can realize damping in the horizontal direction, and has a good damping effect, and is particularly suitable for a suspension type lift car.

The technical scheme adopted by the invention is as follows:

The utility model provides a damping device, includes casing, connecting component, be provided with inside cavity in the casing, be provided with the guide part in the inside cavity, the guide part is provided with the guiding hole, connecting component's one end set up in the guiding hole to constitute the revolute with the guide part, the other end extends the casing for connect the mounted frame. In the scheme, the shell is fixed on the car and is connected with the car into a whole, one end of the connecting part is connected with the suspension bracket into a whole, and the connecting part and the guide part form a moving pair, so that the car has the freedom degree of moving up and down relative to the connecting part in the actual running process of the car, and damping devices such as damping springs, spring dampers, dampers and the like are reasonably arranged between the connecting part and the shell and between the connecting part and the car, so that the damping of the vertical direction of the car can be conveniently realized; the damping device has compact structure, small volume and convenient installation, and is especially suitable for suspension type lift car.

In order to make the structure more compact, it is preferable that the housing is a steel pipe. The shell is arranged in the car, so that the structure is more compact and the size is smaller, and the shell can be used as a part of a bearing frame of the car, thereby effectively increasing the strength and rigidity of the car.

Preferably, the shell adopts a square tube. The damping device is convenient to install and integrate into the side wall of the car.

Preferably, the connecting piece is an external thread arranged on the connecting part. Through the cooperation of nut and screw thread, can be convenient realization adapting unit and the connection of mounted frame.

For better realization guiding effect, prevent at vertical shock attenuation in-process, the car takes place to follow the slope of horizontal direction, further, the guiding part includes the guide cylinder, the guide cylinder set up in the inside cavity, just the guiding hole set up in the guide cylinder. Utilize the vice of shifting that adapting unit and guide part constitute, on the one hand, make the car can reciprocate for the guide part, be favorable to realizing flexonics, and carry out the shock attenuation of vertical direction, on the other hand, make adapting unit can form the constraint to the reciprocates of casing, thereby play the guide effect for the up-and-down motion of car, thereby make the car only can follow vertical direction motion (can only follow adapting unit's length direction motion promptly), thereby can effectively improve the stability of car, prevent that the car from taking place to rock by a wide margin, be favorable to the car more stable.

Further, the guide part further comprises a mounting plate which is arranged at one end of the bottom of the guide cylinder and connected with the guide cylinder, the mounting plate is positioned below the shell, and the mounting plate is provided with a plurality of mounting holes for connecting the lift car. The guide part can be conveniently arranged on the car by using the mounting plate, so that the guide cylinder and the connecting part form a moving pair, and the restraint and the guide function are provided.

For realizing the shock attenuation of vertical direction, in one scheme, still include vertical damper, vertical damper includes damping spring, adapting unit is provided with the supporting part, be provided with the clamp plate in the inside cavity, the clamp plate is fixed in the casing, damping spring cover is located adapting unit, and be located supporting part with between the clamp plate, damping spring is used for carrying out the shock attenuation along adapting unit's length direction. This scheme, compact structure connects adapting unit and casing through damping spring for the atress of car (casing) in vertical direction can be passed for adapting unit through damping spring, and then is passed for the mounted frame, both can realize hanging the car, can play good shock attenuation effect when the atress of car along vertical direction changes again.

For being convenient for shock attenuation spring and clamp plate mutually support, further, still include the block, the block includes first connecting cylinder and the second connecting cylinder that links to each other with first connecting cylinder, the diameter of first connecting cylinder is less than the diameter of second connecting cylinder, and connecting component is located to the block cover, and in first connecting cylinder is arranged in inserting the through-hole of clamp plate, shock attenuation spring's one end set up in the second connecting cylinder. In this scheme, through setting up the block, be favorable to clamp plate and damping spring's better formation cooperation, and be favorable to improving the atress condition of junction.

In order to realize the shock attenuation of vertical direction, in another scheme, still include horizontal support piece, the side of casing is provided with the strip hole, horizontal support piece's one end with adapting unit links to each other, and the other end passes through the strip hole extends the casing for connect the bumper shock absorber. In this solution, the damper may be a spring damper or a damper, and one end of the damper is mounted on the lateral support member, and the other end is fixed to the car; the car can be connected with the connecting part through the shock absorber, and the connecting part is connected with the suspension bracket, so that the car can move relative to the connecting part and the suspension bracket in the vertical direction, and in the moving process, the shock absorption in the vertical direction is carried out through the shock absorber which is arranged vertically, so that the vertical shock absorption of the car is realized; in the scheme, the arrangement of the strip holes not only can realize the shock absorption in the vertical direction, but also can effectively limit the displacement of the transverse supporting piece through the matching of the strip holes and the transverse supporting piece, thereby achieving the purposes of limiting the deformation of the shock absorber and protecting the shock absorber.

Preferably, the transverse support is a pin. The shock absorber is convenient to install.

For spacing, further, still include the locating part that is fixed in adapting unit, the lateral wall of casing still is provided with spacing hole, the locating part extends into in the spacing hole, spacing hole is the strip hole for the displacement of limiting part along vertical direction. In this scheme, when the car takes place to follow the motion of vertical direction, the locating part reciprocates in spacing downthehole, through the displacement of spacing downthehole restriction locating part along vertical direction, reaches the purpose of restriction damping spring compression or extension distance to can effectively protect damping spring and/or bumper shock absorber, make this vertical shock attenuation can keep long-term steady operation.

Preferably, the limiting part is a pin shaft.

For realizing the shock attenuation of horizontal direction, further, be provided with the baffle in the inside cavity, the baffle is fixed in the casing, and is provided with and is used for passing adapting unit's through-hole, adapting unit cover is equipped with the damping piece, the baffle is used for supporting the damping piece, the damping piece carries out horizontal direction shock attenuation. In this scheme, the damping piece is located connecting piece through self centre bore cover, and the diameter of through-hole is greater than connecting piece's diameter for when the casing takes place to rock for connecting piece, connecting piece compression damping piece, thereby reaches the restriction range of rocking, realizes horizontal direction buffering and shock attenuation effect.

Preferably, the damping block is disposed at an upper portion of the housing. The damping block is arranged on the upper portion of the car body and can be matched with vertical damping, so that the shaking amplitude of the car is effectively restrained, and the horizontal buffering and damping functions are better realized.

In order to facilitate the installation and replacement of the damping block, the damping block further comprises a cover plate, wherein the cover plate is provided with a through hole for passing through the connecting component, and the cover plate is arranged at the top of the shell and is used for sealing the internal cavity. Thereby preventing the damping block from falling off.

For further reducing horizontal direction range of rocking, realize better horizontal shock attenuation effect, further, still include the stabilizing part, the stabilizing part includes the connecting plate and sets up in the stable section of thick bamboo of connecting plate, the stable section of thick bamboo is provided with the centre bore, and the stabilizing part passes through the centre bore cover is located adapting unit, and the stable section of thick bamboo is located between damping piece and the adapting unit, and the connecting plate is used for connecting the mounted frame. The stabilizing part is arranged and is arranged on the suspension bracket, so that on one hand, the connecting part can penetrate through the central hole to be fixedly connected with the suspension bracket, and on the other hand, the outer side surface of the stabilizing cylinder is in contact with the damping block, on the other hand, the contact area can be effectively increased, the shock absorption in the horizontal direction can be better realized, and the cage is restrained or prevented from shaking greatly; on the other hand, when the car moves along the vertical direction relative to the suspension bracket, a certain guiding effect can be achieved, and the car is prevented from shaking along the horizontal direction due to the vibration reduction in the vertical direction.

Compared with the prior art, the damping device provided by the invention has the following beneficial effects:

1. The damping device has compact structure, small volume and convenient installation, and is particularly suitable for suspension type cabins.

2. This damping device not only can realize the shock attenuation of vertical direction, can realize the shock attenuation of horizontal direction moreover, through the cooperation of two, can effectively improve the shock attenuation effect.

3. The damping device can limit the compression or extension distance of the damping spring or the damper, thereby effectively protecting the damping spring and the damper.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural view of a shock absorbing device according to embodiment 1 of the present invention.

Fig. 2 is a bottom view of fig. 1.

Fig. 3 is a cross-sectional view of fig. 1.

Fig. 4 is a schematic structural view of a cap in a shock absorbing device according to embodiment 1 of the present invention.

Fig. 5 is a sectional view of a shock absorbing device provided in embodiment 2 of the present invention.

Fig. 6 is a cross-sectional view of another shock absorbing device provided in embodiment 2 of the present invention.

Fig. 7 is a sectional view of a shock absorbing device provided in embodiment 3 of the present invention.

Fig. 8 is a schematic view of a suspension type car according to embodiment 4 of the present invention.

Fig. 9 is a front partial cross-sectional view of fig. 8, with the vertical damping device disposed inside the side wall of the car body.

Fig. 10 is a partially enlarged schematic illustration I of fig. 9.

Description of the drawings

Car 100, beam 102,

200 Parts of hanging frame,

A housing 301, a connecting member 302, a connecting member 303, a guide portion 304, a guide cylinder 305, a mounting plate 306, a guide hole 307, a pressing plate 308, a stopper 309, a stopper hole 310, a bar hole 311, a mounting hole 312,

A damping spring 401, a supporting part 402, a cap 403, a first connecting cylinder 404, a second connecting cylinder 405,

A baffle 501, a damping block 502, a cover plate 503,

A stabilizing portion 601,

Lateral support 701, shock absorber 702.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the invention, as 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 made by a person skilled in the art without making any inventive effort, are intended to be within the scope of the present invention.

Example 1

Referring to fig. 1, 2, 3, 8, 9 and 10, in this embodiment, a damping device is provided, which includes a housing 301 and a connecting member 302, an internal cavity is provided in the housing 301, a guiding portion 304 is provided in the internal cavity, the guiding portion 304 is provided with a guiding hole 307, one end of the connecting member 302 is disposed in the guiding hole 307 and forms a sliding pair with the guiding portion 304, and the other end extends out of the housing 301 for connecting the suspension bracket 200. In the present damper device, the housing 301 is fixed to the car 100 and integrally connected to the car 100, for example, by welding, bolting, riveting, or the like. One end of the connecting member 302 is integrally connected with the suspension bracket 200, and since the connecting member 302 and the guide portion 304 form a sliding pair, the car 100 has a degree of freedom of moving up and down relative to the connecting member 302 during the actual running of the car 100, and by reasonably installing shock absorbers 702, such as the shock absorbing springs 401, the spring shock absorbers 702, the dampers, etc., between the connecting member 302 and the housing 301 and between the connecting member 302 and the car 100, the shock absorption in the vertical direction of the car 100 can be conveniently realized.

In a preferred embodiment, the housing 301 may preferably be made of steel, such as square tubes, and as shown in fig. 1-3, the housing 301 is mounted in the car 100, which is not only beneficial to make the structure more compact and smaller, but also can be used as a part of the bearing frame of the car 100, thereby effectively increasing the strength and rigidity of the car 100, and particularly suitable for mounting or integrating the damping device into the side wall of the car 100.

It will be appreciated that the connecting member 302 may have various embodiments, and preferably, the connecting member 302 may be a connecting rod or a steel wire rope with a certain rigidity (the larger the cross-sectional area, the larger the rigidity, the less easy to deform); by way of example, in the present embodiment, the connecting member 302 is a connecting rod such as a screw or the like; in order to facilitate connection with the suspension bracket 200, one end of the connecting component 302 is provided with a connecting element 303, and the connecting element 303 may have various implementation manners, for example, in this embodiment, the connecting element 303 is an external thread provided on the connecting component 302, and connection between the connecting component 302 and the suspension bracket 200 can be conveniently achieved through matching of a nut and the thread.

For better guiding function, the car 100 is prevented from tilting along the horizontal direction during the vertical damping process, in a preferred embodiment, the guiding part 304 includes a guiding cylinder 305, the guiding cylinder 305 is disposed in the internal cavity, and the guiding hole 307 is disposed in the guiding cylinder 305. The movable pair formed by the connecting part 302 and the guide part 304 is utilized, on one hand, the car 100 can move up and down relative to the guide part 304, flexible connection is facilitated, vertical shock absorption is performed, on the other hand, the connecting part 302 can restrict up-and-down movement of the shell 301, so that a guiding effect is achieved for up-and-down movement of the car 100, the car 100 can only move in the vertical direction (namely, can only move along the length direction of the connecting part 302), stability of the car 100 can be effectively improved, large-amplitude shaking of the car 100 is prevented, and the car 100 is more stable.

It will be appreciated that the guide cylinder 305 may be located anywhere in the internal cavity, and preferably, as shown in fig. 1-3, in this embodiment, the guide cylinder 305 is located at the bottom of the housing 301; in a further aspect, the guide portion 304 further includes a mounting plate 306 disposed at one end of the bottom of the guide cylinder 305 and connected to the guide cylinder 305, the mounting plate 306 is located below the housing 301, and the mounting plate 306 is provided with a plurality of mounting holes 312 for connecting to the car 100. The guide portion 304 can be conveniently mounted to the car 100 by the mounting plate 306 so that the guide cylinder 305 can form a kinematic pair with the connecting member 302 to provide restraint and guide. It is to be understood that the guide cylinder 305 and the mounting plate 306 may be integrally formed, and may be fixed to the housing 301 by welding, or may be fixed to the bottom of the car 100 by the mounting hole 312.

In order to achieve the damping in the vertical direction, in one solution provided in this embodiment, the damping device further includes a vertical damping component, the connecting component 302 includes a damping spring 401, a supporting portion 402 is disposed in the connecting component 302, a pressing plate 308 is disposed in the internal cavity, the pressing plate 308 is fixed to the housing 301, the damping spring 401 is sleeved on the connecting component 302 and is located between the supporting portion 402 and the pressing plate 308, and the damping spring 401 is used for damping along the length direction of the connecting component 302, as shown in fig. 1-3 and fig. 8-10. This scheme, compact structure connects adapting unit 302 and casing 301 through damping spring 401 for the atress of car 100 (casing 301) in vertical direction can be through damping spring 401 transfer for adapting unit 302, and then transmit for mounted frame 200, both can realize hanging to car 100, can play good shock attenuation effect when the atress of car 100 along vertical direction changes again. The supporting portion 402 is used for supporting the damping spring 401, and the structure of the supporting portion 402 is not limited, as shown in fig. 3, the supporting portion 402 is an annular protrusion provided on the connecting member 302 for bearing force; it will be appreciated by those skilled in the art that the damping spring 401 may also be disposed below the supporting portion 402, so as to provide a tensile force for the damping spring 401, so that the car 100 may achieve damping by the restoring force of the damping spring 401, which is not described herein.

In order to facilitate the interaction of the damping spring 401 and the pressing plate 308, in a further scheme, the damping spring comprises a cap 403, the cap 403 comprises a first connecting cylinder 404 and a second connecting cylinder 405 connected with the first connecting cylinder 404, as shown in fig. 3 and 4, the diameter of the first connecting cylinder 404 is smaller than that of the second connecting cylinder 405, the cap 403 is sleeved on the connecting component 302, the first connecting cylinder 404 is used for being inserted into a through hole of the pressing plate 308, and one end of the damping spring 401 is arranged in the second connecting cylinder 405. In this scheme, through setting up the block 403, be favorable to clamp plate 308 and damping spring 401 better formation cooperation, and be favorable to improving the stress condition of junction.

In a further scheme, the elevator car further comprises a limiting piece 309 fixed on the connecting component 302, the side wall of the shell 301 is further provided with a limiting hole 310, the limiting piece 309 extends into the limiting hole 310, the limiting hole 310 is a strip hole and is used for limiting displacement of the limiting piece 309 along the vertical direction, when the elevator car 100 moves along the vertical direction as shown in fig. 1 and 3, the limiting piece 309 moves up and down in the limiting hole 310, and the limiting piece 309 is limited to displace along the vertical direction through the limiting hole 310, so that the purpose of limiting the compression or extension distance of the damping spring 401 is achieved, and therefore the damping spring 401 and/or the damper 702 can be effectively protected, and long-term stable operation of the vertical damping can be kept.

It can be appreciated that there are various embodiments of the limiting member 309, and in this embodiment, the limiting member 309 is a pin shaft and is horizontally installed on the connecting member 302, so as to be matched with the limiting hole 310, thereby achieving the purpose of limiting.

As shown in fig. 3, 9 and 10, in a further aspect, a partition 501 is disposed in the inner cavity, the partition 501 is fixed to the housing 301, a through hole is disposed for passing through the connecting member 302, the connecting member 302 is sleeved with a damping block 502, the partition 501 is used for supporting the damping block 502, and the damping block 502 absorbs shock in a horizontal direction. As shown in fig. 10, the damping block 502 is sleeved on the connecting component 302 through its own central hole, and the diameter of the through hole is larger than that of the connecting component 302, so that when the casing 301 shakes relative to the connecting component 302, the connecting component 302 compresses the damping block 502, thereby limiting the shaking amplitude and realizing the buffering and damping effects in the horizontal direction.

As shown in fig. 3 and 10, in a preferred embodiment, the damping block 502 is disposed at an upper portion of the housing 301; the damping block 502 is arranged on the upper portion of the car 100 body, so that the car 100 can be better prevented from shaking, and in addition, the damping block can be matched with vertical damping, so that the shaking amplitude of the car 100 is effectively restrained, and the horizontal buffering and damping functions are better realized.

In order to facilitate the installation and replacement of the damping block 502, in a further solution, the damping block comprises a cover plate 503, wherein the cover plate 503 is provided with a through hole for passing through the connecting component 302, the cover plate 503 is arranged at the top of the housing 301 and is used for closing the internal cavity, as shown in fig. 1,3, 9 and 10, so as to prevent the damping block 502 from falling off, and the cover plate 503 is provided with a mounting hole 312 for connecting the housing 301 or the top plate of the car 100 through bolts.

For further reducing horizontal direction range of rocking, realize better horizontal shock attenuation effect, in further scheme, still include stabilizer 601, stabilizer 601 includes the connecting plate and sets up in the stable section of thick bamboo of connecting plate, the stable section of thick bamboo is provided with the centre bore, and stabilizer 601 passes through the centre bore cover is located adapting unit 302, and the stable section of thick bamboo is located between damping piece 502 and the adapting unit 302, and the connecting plate is used for connecting mounted frame 200, as shown in fig. 3. In this embodiment, by providing the stabilizing portion 601 and installing the stabilizing portion 601 on the suspension bracket 200, on one hand, the connecting member 302 may pass through the central hole to be fixedly connected with the suspension bracket 200, on the other hand, the outer side surface of the stabilizing cylinder contacts with the damping block 502, on the other hand, the contact area may be effectively increased, so as to better realize the shock absorption in the horizontal direction, and inhibit or avoid the car 100 from shaking greatly; on the other hand, when the car 100 moves in the vertical direction with respect to the suspension 200, a certain guiding effect can be achieved, and the car 100 is prevented from shaking in the horizontal direction due to the vibration reduction in the vertical direction.

Example 2

The main difference between this embodiment 2 and the above embodiment 1 is that the vertical damping assembly of another structure is adopted in this embodiment to perform vertical damping, the vertical damping assembly further includes a transverse support 701, a strip hole is provided on a side surface of the housing 301, one end of the transverse support 701 is connected to the connecting member 302, and the other end extends out of the housing 301 through the strip hole, so as to be used for connecting the damper 702, as shown in fig. 5 and 6. In this embodiment, the shock absorber 702 may be a spring shock absorber 702 or a damper, and one end of the shock absorber 702 is mounted on the lateral support 701, and the other end is fixed to the car 100; the car 100 can be connected with the connecting part 302 through the shock absorber 702, and the connecting part 302 is connected with the suspension bracket 200, so that the car 100 can move relative to the connecting part 302 and the suspension bracket 200 in the vertical direction, and in the moving process, the shock absorber 702 arranged vertically absorbs the shock in the vertical direction, so that the vertical shock absorption of the car 100 is realized; in this scheme, the setting of strip hole not only can realize the shock attenuation of vertical direction, through the cooperation of strip hole and transverse support 701, can effectively restrict the displacement of transverse support 701 moreover to reach the purpose that restriction bumper shock absorber 702 deflection, protection bumper shock absorber 702.

It will be appreciated that there are various embodiments of the transverse support 701, in this example, the transverse support 701 is a pin, and the pin is horizontally mounted to the connecting member 302, so as to facilitate the installation of the damper 702.

In this embodiment, the spring damper 702 and the damper may be a spring damper 702 and a damper commonly used in the prior art, and the specific structure and the working principle thereof are not described herein.

As an example, in the present embodiment, the damping device is disposed inside the side wall of the car 100, and the beam 102 for enhancing rigidity is generally disposed inside the side wall of the car 100; the transverse supporting member 701 includes a pin shaft that is transversely disposed (horizontally disposed), as shown in fig. 5, 6, 9 and 10, and the pin shaft is connected to the connecting member 302, and the pin shaft is connected to the beam 102 through one or more shock absorbers 702, and the shock absorbers 702 are vertically disposed, so as to achieve shock absorption in a vertical direction, and the shock absorbers 702 may be according to actual needs, as shown in fig. 5 and 6, which are not described herein again; the car 100 is connected with the connecting part 302 through the damper 702, and the connecting part 302 is connected with the suspension bracket 200, so that the car 100 can move in the vertical direction relative to the connecting part 302 and the suspension bracket 200, and in the moving process, the vertical shock absorption is performed through the vertically arranged damper 702, so that the vertical shock absorption of the car 100 is realized.

Example 3

The main difference between this embodiment 3 and the above-mentioned embodiment 1 or embodiment 2 is that in the damping device provided in this embodiment, the vertical damping component includes both the damping spring 401 and the plurality of lateral supporting members 701, as shown in fig. 7, 8, 9 and 10, wherein,

The connecting member 302 is provided with a supporting portion 402, the damping spring 401 is sleeved on the connecting member 302 and is located between the supporting portion 402 and the pressing plate 308, and the damping spring 401 is used for damping vibration along the length direction of the connecting member 302;

One end of the transverse supporting member 701 is connected to the side wall of the connecting member 302 and extends out of the housing 301, and a plurality of dampers 702 may be mounted on the transverse supporting member 701 to be connected to the car 100, thereby damping vibration along the length direction of the connecting member 302.

In this embodiment, the damping springs 401 and the dampers 702 are simultaneously disposed in the car 100, so that the bearing capacity of the car 100 can be effectively increased, and the vertical cushioning and damping can be better provided for the car 100.

Example 4

The present embodiment provides a suspension type car 100 including the car 100, the damper described in embodiment 1, or the damper described in embodiment 2, or the damper described in embodiment 3, which may be vertically disposed inside the side wall of the car 100 or outside the side wall of the car 100 or inside the side wall of the car 100. The vertical damping device is vertically arranged behind the car 100, the upper end of the connecting component 302 is used for connecting the suspension bracket 200, and the vertical damping component can be just positioned at the middle and lower parts of the car 100, so that the stress of the whole car 100 is more balanced, better vertical damping effect is realized, the car 100 is more stable in the damping process, and the shaking of the car 100 along the horizontal direction is less easy to cause.

It will be appreciated that the number of the damping devices in the suspension type car 100 may be determined according to actual needs, and in this embodiment, four damping devices are included, and the four damping devices are respectively disposed in the side walls of the car 100, and the connecting members 302 in the four damping devices respectively extend out of the top plate of the car 100 and are respectively connected to two suspension brackets 200, as shown in fig. 8-10, so as to achieve suspension of the car 100.

The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present invention.

Claims (7)

1. The damping device is characterized by comprising a shell and a connecting part, wherein an inner cavity is formed in the shell, a guide part is arranged in the inner cavity, a guide hole is formed in the guide part, one end of the connecting part is arranged in the guide hole and forms a moving pair with the guide part, the other end of the connecting part extends out of the shell, and a connecting piece is arranged at the other end of the connecting part and is an external thread arranged on the connecting part and used for connecting a suspension bracket;

the guide part comprises a guide cylinder, the guide cylinder is arranged in the inner cavity, and the guide hole is arranged in the guide cylinder;

The guide part also comprises a mounting plate which is arranged at one end of the bottom of the guide cylinder and connected with the guide cylinder, the mounting plate is positioned below the shell, and the mounting plate is provided with a plurality of mounting holes for connecting with the lift car;

the vertical damping component comprises a damping spring, the connecting component is provided with a supporting part, a pressing plate is arranged in the inner cavity, the pressing plate is fixed on the shell, the damping spring is sleeved on the connecting component and is positioned between the supporting part and the pressing plate, and the damping spring is used for damping along the length direction of the connecting component;

The shock absorber comprises a shell, and is characterized by further comprising a transverse supporting piece, wherein a strip hole is formed in the side face of the shell, one end of the transverse supporting piece is connected with the connecting part, and the other end of the transverse supporting piece extends out of the shell through the strip hole and is used for being connected with the shock absorber.

2. The shock absorbing device as defined in claim 1, wherein the housing is a steel tube.

3. The shock absorbing device of claim 1, further comprising a cap, wherein the cap comprises a first connecting cylinder and a second connecting cylinder connected with the first connecting cylinder, the diameter of the first connecting cylinder is smaller than that of the second connecting cylinder, the cap is sleeved on the connecting part, the first connecting cylinder is used for being inserted into the through hole of the pressing plate, and one end of the shock absorbing spring is arranged in the second connecting cylinder.

4. The shock absorbing device as defined in claim 1, further comprising a limiting member fixed to the connecting member, wherein the side wall of the housing is further provided with a limiting hole, the limiting member extends into the limiting hole, and the limiting hole is a bar hole for limiting displacement of the limiting member in a vertical direction.

5. The shock absorbing device according to any one of claims 1-2, wherein a partition plate is provided in the inner cavity, the partition plate is fixed to the housing, and a through hole for passing through the connecting member is provided, the connecting member is sleeved with a damping block, and the partition plate is used for supporting the damping block, and the damping block damps shock in a horizontal direction.

6. The shock absorbing device as defined in claim 5, further comprising a cover plate provided with a through hole for passing the connection member, the cover plate being provided at a top of the housing for closing the internal cavity.

7. The shock absorber of claim 5, further comprising a stabilizing portion comprising a connecting plate and a stabilizing cylinder disposed on the connecting plate, the stabilizing cylinder being provided with a central hole, the stabilizing portion being disposed on the connecting member through the central hole, and the stabilizing cylinder being disposed between the damping block and the connecting member, the connecting plate being configured to connect the hanger.