CN209162546U - Dampening assembly for empty iron series system - Google Patents
Dampening assembly for empty iron series system Download PDFInfo
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- CN209162546U CN209162546U CN201821344518.7U CN201821344518U CN209162546U CN 209162546 U CN209162546 U CN 209162546U CN 201821344518 U CN201821344518 U CN 201821344518U CN 209162546 U CN209162546 U CN 209162546U
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Abstract
The utility model belongs to sky iron series system technical field, a kind of dampening assembly for empty iron series system is specifically provided, empty iron series system includes the first track girder and the second track girder, dampening assembly is provided at the gap of first track girder bottom and the second track girder bottom, dampening assembly includes connecting elements, elastic component and supporting member, connecting elements is arranged on the first track girder and/or the second track girder, elastic component is arranged on connecting elements, one end of elastic component connect with the first track girder or against, the other end connect with the second track girder or against, supporting member is embedded on elastic component.By dampening assembly by the gap filling between the bottom of the first track girder and the bottom of the second track girder, when train passes through the gap, under the action of impact force of train flexible deformation occurs for dampening assembly, to offset the impact force that dampening assembly is subject to, jolt so as to what is generated when mitigating train by between the first track girder and the second track girder.
Description
Technical field
The utility model belongs to sky iron series system technical field, specifically provides a kind of dampening assembly for empty iron series system.
Background technique
Empty iron series system, i.e. hanging type aerial Rail Transit System, different from subway and tramcar, the track of empty iron is arranging
The top of vehicle, is suspended from a kind of rail traffic run on overhead rail, and train is in a hanging manner in the sky below track
Operation.Empty iron can move to the traffic on ground in the air, have and can be relieved city without extending the existing highway facilities in city
The advantage of traffic problem.Especially in recent years, empty iron has begun comes into operation in some cities.
The track girder of existing sky iron series system is all made of steel box girder, and multiple track girders are joined together to form train rail
Road, still, it is contemplated that track girder will receive the influence expanded with heat and contract with cold, therefore, between being provided between two adjacent track girders
Gap, i.e. track girder seam, when passing through track girder seam, wheel can collide train with two adjacent track girders, generate very big
Jolt, seriously affect experiencing by bus for driver and passenger in train.
Therefore, this field needs a kind of dampening assembly for empty iron series system to solve the above problems.
Utility model content
In order to solve the above problem in the prior art, passing through track girder in order to solve the train of existing empty iron series system
When seam, generates and greatly jolt because wheel and track girder collide, to seriously affect the body of riding of driver and passenger in train
The problem of testing, the utility model provide a kind of dampening assembly for empty iron series system, and empty iron series system includes support post, first
Track girder and the second track girder, the first track girder and the second track girder are arranged on support post, the bottom of the first track girder
And second track girder bottom between there is gap, be provided with dampening assembly at gap, dampening assembly includes connecting elements, elasticity
Component and supporting member, wherein connecting elements is arranged on the first track girder and/or the second track girder, and elastic component setting exists
On connecting elements, one end of elastic component connect with the first track girder connect against, the other end with the second track girder or against,
Supporting member is embedded on elastic component.
In the optimal technical scheme of above-mentioned dampening assembly, supporting member is rigid backbone, and rigid backbone is embedded in bullet
The inside of property component.
In the optimal technical scheme of above-mentioned dampening assembly, rigid backbone includes multiple rigid posts, and multiple rigid posts are in
Compartment is embedded in the inside of elastic component.
In the optimal technical scheme of above-mentioned dampening assembly, rigid backbone includes multiple rigidity bars, and multiple rigidity bars are in
Compartment is embedded in the inside of elastic component.
In the optimal technical scheme of above-mentioned dampening assembly, rigidity bar is disposed across gap.
In the optimal technical scheme of above-mentioned dampening assembly, the bottom of elastic component is provided with protrusion, connecting elements
Top is provided with card slot, and protrusion cooperates with card slot to prevent elastic component from tilting.
In the optimal technical scheme of above-mentioned dampening assembly, the bottom edge of elastic component is provided with chamfering structure.
In the optimal technical scheme of above-mentioned dampening assembly, being internally provided with of elastic component is set in distance a plurality of
Muscle line.
In the optimal technical scheme of above-mentioned dampening assembly, the upper surface of elastic component, the first track girder track table
The raceway surface of face and the second track girder flushes setting.
In the optimal technical scheme of above-mentioned dampening assembly, connecting elements includes first be arranged on the first track girder
Connecting elements and the second connecting elements being arranged on the second track girder, the first connecting elements and the second connecting elements are set in gap
It sets.
It will be appreciated to those of skill in the art that passing through dampening assembly in the optimal technical scheme of the utility model
By the gap filling between the bottom of the first track girder and the bottom of the second track girder, dampening assembly includes connecting elements, elasticity
Component and supporting member, when train passes through the gap, elastic component can play the role of damping, buffering, i.e. elastic component exists
Flexible deformation occurs under the action of impact force of train, it is logical so as to mitigate train to offset the impact force that dampening assembly is subject to
What is generated when crossing between the first track girder and the second track girder jolts, and then can be improved the body by bus of driver and passenger in train
It tests, moreover, being inlaid with supporting member on elastic component, supporting member plays the role of support to elastic component, can be improved
The rigidity of elastic component, meanwhile, the load that dampening assembly is born can pass to connecting elements, connecting elements by supporting member
The first track girder and the second track girder are delivered load to again, and setting in this way can be improved the force-bearing property of dampening assembly
Can, so that dampening assembly is stably fixed the gap between the bottom of the first track girder and the bottom of the second track girder
Place.
Further, the bottom of elastic component is provided with protrusion, and card slot, protrusion and card slot are provided at the top of connecting elements
It cooperates to prevent the elastic component from tilting, setting in this way can be improved the company of elastic component and connecting elements
Stability is connect, so as to improve the reliability of dampening assembly.
Further, rigidity bar is disposed across gap can be further improved the load-bearing capacity of dampening assembly, i.e.,
In practical applications, rigidity of the rigidity bar in addition to can be improved elastic component, also can elastic component occur greatly deformation when,
Auxiliary support is carried out by rigidity bar, guarantees support strength.
Still further, elastic component is internally provided with a plurality of muscle line being set in distance, setting in this way, energy
The service life of elastic component is improved, enough so as to improve the service life of dampening assembly.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the embodiments of the present invention one；
Fig. 2 is the elastic component of the utility model and the structural schematic diagram one of supporting member；
Fig. 3 is the elastic component of the utility model and the structural schematic diagram two of supporting member；
Fig. 4 is the cross-sectional view of Fig. 3；
Fig. 5 is the structural schematic diagram of the connecting elements of the utility model；
Fig. 6 is the connecting elements of the utility model and the connection schematic diagram of track girder；
Fig. 7 is the structural schematic diagram of the embodiments of the present invention two；
Fig. 8 is the structural schematic diagram one of the rigid backbone of the utility model；
Fig. 9 is the structural schematic diagram two of the rigid backbone of the utility model；
Figure 10 is the structural schematic diagram three of the rigid backbone of the utility model；
Figure 11 is the structural schematic diagram four of the rigid backbone of the utility model；
Figure 12 is the structural schematic diagram five of the rigid backbone of the utility model；
Figure 13 is the structural schematic diagram of the embodiments of the present invention three.
Specific embodiment
Preferred embodiments of the present invention are described with reference to the accompanying drawings.It should be understood by those skilled in the art that
It is that these embodiments are used only for explaining the technical principle of the utility model, it is not intended that limit the protection of the utility model
Range.
It should be noted that term "horizontal", "upper", "lower", "left", "right" etc. refer in the description of the present invention,
The term in the direction or positional relationship that show is direction based on the figure or positional relationship, this is intended merely to facilitate description,
Rather than indication or suggestion described device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore
It should not be understood as limiting the present invention.In addition, term " first ", " second " are used for description purposes only, and cannot understand
For indication or suggestion relative importance.
In addition it is also necessary to explanation, in the description of the present invention, unless otherwise clearly defined and limited, art
Language " installation ", " connection ", shall be understood in a broad sense " connected ", for example, it may be being fixedly connected, may be a detachable connection, or
It is integrally connected；It can be directly connected, the company inside two elements can also be can be indirectly connected through an intermediary
It is logical.To those skilled in the art, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
The train for the existing empty iron series system pointed out based on background technique is when through track girder seam, because of wheel and track girder
It collides and generates and greatly jolt, to seriously affect the problem of experience by bus of driver and passenger in train, the utility model is mentioned
A kind of dampening assembly for empty iron series system is supplied, it is intended to which mitigate that train generates when through track girder seam jolts, to mention
Driver and passenger's experiences by bus in high train.
Specifically, referring to figs. 1 to Fig. 4, empty iron series system includes support post (not shown), the first track girder 1 and the
Two track girders 2, the first track girder 1 and the second track girder 2 are arranged on support post, the bottom and second of the first track girder 1
There is gap 3 between the bottom of track girder 2, dampening assembly is provided at gap 3, dampening assembly includes connecting elements 4, elastic structure
Part 5 and supporting member 6, wherein connecting elements 4 is arranged 2 on the first track girder 1 and/or the second track girder, and elastic component 5 is set
It sets on connecting elements 4, one end of elastic component 5 connect with the first track girder 1 or against the other end and the second track girder 2 connect
It connects or against supporting member 6 is embedded on elastic component 5.First track girder 1 and the second track girder 2 are two be disposed adjacent
Track girder, it is well known that track girder can extend in the case where heated, if do not had between the first track girder 1 and the second track girder 2
Have the gap, then the first track girder 1 and the second track girder 2 after by thermal stretching can mutual extrusion and cause the first track girder 1 and/or
Second track girder 2 is deformed, and in order to avoid above situation occurs, is respectively provided between the first track girder 1 and the second track girder 2
Have the gap 3, i.e. track girder seam.However, train can be generated and greatly be jolted when passing through track girder seam, in order to eliminate or
What mitigation train generated when through track girder seam jolts, and dampening assembly is arranged in track girder seam crossing, that is, passes through damping group
Part fills the gap 3 between the first track girder 1 and the second track girder 2, and when train passes through the gap 3, dampening assembly can be with
Play the role of damping, buffering, i.e. under the action of impact force of train flexible deformation occurs for elastic component 5, to offset dampening assembly
The impact force being subject to jolts so as to what is generated when mitigating train by between the first track girder 1 and the second track girder 2, into
And it is able to ascend the experience by bus of driver and passenger in train.Moreover, being inlaid with supporting member 6, supporting member on elastic component 5
6 pairs of elastic components 5 play the role of support, while can deliver load to connecting elements 4, and connecting elements 4 again passes load
Pass the first track girder 1 and the second track girder 2, setting in this way can make what dampening assembly consolidated to be fixed on first
At gap 3 between the bottom plate of track girder 1 and the bottom plate of the second track girder 2.This is set forth combined with specific embodiments below
The principle of utility model.
Embodiment one
With continued reference to Fig. 1 to Fig. 4, connecting elements 4 is arranged on the first track girder 1 or the second track girder 2, elastic component 5
It is arranged on connecting elements 4, supporting member 6 is embedded on elastic component 5.I.e. connecting elements 4 both can be set in the first track
On beam 1, also it can be set on the second track girder 2.In the case of a kind of possible, connecting elements 4 is arranged in the first track girder 1
On, one end of connecting elements 4 is fixedly connected with the bottom plate of the first track girder 1, to avoid connecting elements 4 from limiting stretching for track girder
Contracting, the other end of connecting elements 4 is flexibly connected with the second track girder 2, for example, can connect in a sliding manner, i.e., second
Sliding slot is set on the bottom plate of track girder 2, and the other end of connecting elements 4 is inserted into sliding slot, causes to stitch when because track girder expands with heat and contract with cold
Gap 3 change when, the other end of connecting elements 4 can slide in sliding slot to adapt to the variation in gap 3, certainly, connecting elements 4 and
First track girder 1 can also be wholely set, in order to which connecting elements 4 and the first track girder 1 are integrally formed and manufacture.Another kind can
In the situation of energy, connecting elements 4 is arranged on the second track girder 2, and the bottom plate of one end of connecting elements 4 and the second track girder 2 is solid
Fixed connection or setting are integrated, and the other end of connecting elements 4 is flexibly connected with the bottom plate of the second track girder 2.Elastic component 5 is set
It sets on connecting elements 4, i.e., elastic component 5 passes through the bottom plate and the second track that connecting elements 4 is fastened on the first track girder 1
At gap 3 between the bottom plate of beam 2, elastic component 5 is fixedly connected with connecting elements 4, and elastic component 5 can pass through cohesive material
It is pasted on connecting elements 4, alternatively, being fixed on connecting elements 4 by fixing bolt, those skilled in the art can be in reality
The specific fixed form of elastic component 5 Yu connecting elements 4 is flexibly set in, as long as elastic component 5 can be fixed on
On connecting elements 4.In addition, the both ends of elastic component 5 can be born against on the first track girder 1 and the second track girder 2,
Or it is connect respectively with the first track girder 1 and the second track girder 2, then alternatively, one end of elastic component 5 and the first track girder 1 connect
It connects, the other end of elastic component 5 is low to be leaned against on the second track girder 2, and those skilled in the art can in practical applications neatly
The specific setting form between elastic component 5 and the first track girder 1 and the second track girder 2 is adjusted, as long as can be by elastic component 5
It is filled at the gap 3 between the bottom plate of the first track girder 1 and the bottom plate of the second track girder 2.
Preferably, referring to Fig. 4 and Fig. 5, phenomenon, elastic component 5 are tilted to prevent elastic component 5 from generating when being squeezed
Bottom be provided with protrusion 51, the top of connecting elements 4 is provided with card slot 40, and protrusion 51 cooperates with card slot 40 and can prevent
Elastic component 5 tilts.Wherein, in practical applications, the outer profile size of raised 51 lower parts and top can be disposed as greatly
Outer profile size in 51 middle part of protrusion when installation, protrusion 51 can be squeezed into card slot 40, the outer profile on raised 51 tops
Size is adapted with the size of card slot 40, setting in this way, can be by raised 51 holdings in card slot 40, certainly, protrusion
51 and the specific structure of card slot 40 be not limited to a kind of this form, protrusion 51 can also be arranged to T-type structure, simultaneously will
The shape of card slot 40 is adaptively adjusted, alternatively, protrusion 51 is arranged to L-type structure, while the shape of card slot 40 being adapted to
Property adjustment, those skilled in the art can flexibly set in practical applications protrusion 51 and card slot 40 specific constructive form,
As long as can prevent elastic component 5 from tilting by protrusion 51 and the mutual cooperation of card slot 40.
Preferably, the bottom edge of elastic component 5 is provided with chamfering structure 52, this elastic structure with chamfering structure 52
Part 5 can be suitable for the situation that connecting elements 4 is connect in a welding manner with track girder.In connecting elements 4 and track girder to weld
In the case of the mode connect connects, as shown in fig. 6, the commissure of connecting elements 4 and the first track girder 1 can generate leg 11, lead to
Chamfering structure 52 is arranged in the bottom edge crossed in elastic component 5, can avoid leg 11, enable elastic component 5 is smooth to consolidate
It is scheduled on connecting elements 4, the specific setting positions and dimensions of chamfering structure 52 can be according to the specific location and size of leg 11
Neatly adjust.
In addition, elastic component 5 is preferentially made of rubber material, it is set in distance in being internally provided with for elastic component 5
A plurality of muscle line 7, to improve the service life of elastic component 5.
Preferably, supporting member 6 is rigid backbone, and rigid backbone is embedded in the inside of elastic component 5, certainly, rigid bone
Frame can also reach the outside of elastic component 5, and those skilled in the art can neatly adjust rigid bone in practical applications
The specific setting form of frame, as long as rigid backbone can be embedded on elastic component 5.In the case of a kind of possible,
As shown in Fig. 2, rigid backbone includes multiple rigid posts, multiple rigid posts are embedded in the inside of elastic component 5, rigidity in compartment
Column can be set to Rectangular Rigid column, alternatively, be set as rectangular rigid post, then alternatively, be provided in round rigid post, this field skill
The specific structure of rigid post can be flexibly arranged in art personnel in practical applications, as long as can be to elasticity by multiple rigid posts
Component 5 plays a supporting role and delivers load to connecting elements 4.In another possible scenario, as shown in figure 3,
Rigid backbone includes multiple rigidity bars, and multiple rigidity bars are embedded in the inside of elastic component 5 in compartment.Certainly, above-mentioned two
Kind of situation is merely exemplary, those skilled in the art can flexibly adjustment rigid backbone in practical applications specific setting
Form, as long as can play a supporting role to elastic component 5 by rigid backbone and deliver load to connecting elements 4.
Preferably, the track table of the upper surface of elastic component 5, the raceway surface of the first track girder 1 and the second track girder 2
Face flushes setting, i.e. the track table of the upper surface of elastic component 5, the raceway surface of the first track girder 1 and the second track girder 2
Face is in same level.
In addition, elastic component 5 is set as elastic plate, the size of elastic plate is according to the bottom plate and the second rail of the first track girder 1
Gap 3 between the bottom plate of road beam 2 determines, so that elastic plate can just be filled in the bottom plate and the second rail of the first track girder 1
In gap 3 between the bottom plate of road beam 2.Connecting elements 4 is set as connecting plate, and the specific size of connecting plate can be in practical application
In flexibly set, as long as elastic component 5 can be fastened on to the bottom plate and the second rail of the first track girder 1 by connecting plate
In gap 3 between the bottom plate of road beam 2, connecting elements 4 is preferentially made of material identical with track girder.
Embodiment two
Referring to Fig. 7 to Figure 12, second of embodiment of the utility model is illustrated.Fig. 7 is that this is practical new
The structural schematic diagram of the embodiment two of type；Fig. 8 is the structural schematic diagram one of the rigid backbone of the utility model；Fig. 9 is that this is practical
The structural schematic diagram two of novel rigid backbone；Figure 10 is the structural schematic diagram three of the rigid backbone of the utility model；Figure 11 is
The structural schematic diagram four of the rigid backbone of the utility model；Figure 12 is the structural schematic diagram five of the rigid backbone of the utility model.
Under conditions of other set-up modes in example 1 are constant, in second of embodiment of the utility model
In, the bottom plate of the bottom plate of the first track girder 1 and the second track girder 2 is cut off into a part, i.e., by the bottom plate of the first track girder 1 and
Gap 3 between the bottom plate of second track girder 2 increases, while connecting elements 4 and elastic component 5 being made to the lengthening of adaptability.?
In the present embodiment, rigid backbone is preferably arranged to multiple rigidity bars, in practical applications, as shown in figure 8, multiple rigidity bars can be with
A part of rigidity bar being arranged with connect with the first track girder 1 or it is low lean on, from the first track girder 1 to the second track girder 2
Direction extends, across the gap 3 of the first track girder 1 and the second track girder 2, to prevent rigidity bar from limiting the flexible of track girder, just
Property item and the second track girder 2 keep certain safe distance, another part rigidity bar in multiple rigidity bars and the second track girder 2
Connection or it is low lean on, from the second track girder 2 to the direction of the first track girder 1 extend, across the first track girder 1 and the second track girder 2
Gap 3, to prevent rigidity bar from limiting the flexible of track girder, rigidity bar and the first track girder 1 keep certain safe distance, when
So, as shown in figure 9, multiple rigidity bars may be set to be connect with the first track girder 1 or it is low lean on, from the first track girder 1 to
The direction of second track girder 2 extends, alternatively, multiple rigidity bars be set as connecting with the second track girder 2 or it is low lean on, from the second rail
Road beam 2 extends to the direction of the first track girder 1, then alternatively, as shown in Figure 10, multiple rigidity bars are arranged at the first track girder 1
Among the second track girder 2, in addition, as shown in figure 11, the both ends of elastic component 5 can also be arranged in rigidity bar, moreover, as schemed
Shown in 12, rigidity bar may be arranged as trapezoidal, and those skilled in the art can neatly adjust rigidity bar in practical applications
Specific setting position and structure form, as long as by multiple rigidity bars can play the role of to elastic component 5 support and will
Load passes to connecting elements 4.
Embodiment three
Referring to Figure 13, the third embodiment of the utility model is illustrated.Wherein, Figure 13 is that this is practical new
The structural schematic diagram of the embodiment three of type.
Under conditions of other set-up modes in example 2 are constant, in the third embodiment of the utility model
In, connecting elements 4 include the first connecting elements 41 being arranged on the first track girder 1 and be arranged on the second track girder 2 the
Two connecting elements 42, the first connecting elements 41 and the second connecting elements 42 are in gap setting.Wherein, the first connecting elements 41 and
The bottom plate of one track girder 1, which is fixedly connected or is arranged, to be integrated, and the second connecting elements 42 is fixedly connected with the bottom plate of the second track girder 2
Or setting is integrated, those skilled in the art can flexibly set the first connecting elements 41 and the first track in practical applications
The specific type of attachment of 2 bottom plate of the specific type of attachment of 1 bottom plate of beam and the second connecting elements 42 and the second track girder, as long as energy
It is enough to be fixedly connected with the first connecting elements 41 with the bottom plate of the first track girder 1 and be by the second connecting elements 42 and the second rail
The bottom plate of road beam 2 is fixedly connected.
So far, it has been combined attached drawing and describes the technical solution of the utility model, still, those skilled in the art are easy reason
Solution, the protection scope of the utility model are expressly not limited to these specific embodiments.Without departing from the utility model
Under the premise of principle, those skilled in the art can make equivalent change or replacement to the relevant technologies feature, these change or
Technical solution after replacement is fallen within the protection scope of the utility model.
Claims (10)
1. a kind of dampening assembly for empty iron series system, which is characterized in that the sky iron series system includes support post, the first track
Beam and the second track girder, first track girder and second track girder are arranged on the support post, and described first
There is gap between the bottom of track girder and the bottom of second track girder,
It is provided with dampening assembly at the gap, the dampening assembly includes connecting elements, elastic component and supporting member,
In,
The connecting elements is arranged on first track girder and/or second track girder, and the elastic component setting exists
On the connecting elements, one end of the elastic component connect with first track girder or against the other end and described second
Track girder connects or against the supporting member is embedded on the elastic component.
2. dampening assembly according to claim 1, which is characterized in that the supporting member is rigid backbone, the rigidity
Skeleton is embedded in the inside of the elastic component.
3. dampening assembly according to claim 2, which is characterized in that the rigid backbone includes multiple rigid posts, described
Multiple rigid posts are embedded in the inside of the elastic component in compartment.
4. dampening assembly according to claim 2, which is characterized in that the rigid backbone includes multiple rigidity bars, described
Multiple rigidity bars are embedded in the inside of the elastic component in compartment.
5. dampening assembly according to claim 4, which is characterized in that the rigidity bar is disposed across the gap.
6. dampening assembly according to claim 2, which is characterized in that the bottom of the elastic component is provided with protrusion, institute
It states and is provided with card slot at the top of connecting elements, the protrusion is cooperated with the card slot to prevent the elastic component from tilting.
7. dampening assembly according to claim 2, which is characterized in that the bottom edge of the elastic component is provided with chamfering
Structure.
8. dampening assembly according to claim 2, which is characterized in that being internally provided with for the elastic component is set in interval
The a plurality of muscle line set.
9. dampening assembly according to claim 2, which is characterized in that the upper surface of the elastic component, first rail
The raceway surface of the raceway surface of road beam and second track girder flushes setting.
10. dampening assembly according to claim 2, which is characterized in that the connecting elements includes being arranged described first
The first connecting elements on track girder and the second connecting elements being arranged on second track girder, first connecting elements
It is in gap setting with second connecting elements.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821344518.7U CN209162546U (en) | 2018-08-20 | 2018-08-20 | Dampening assembly for empty iron series system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821344518.7U CN209162546U (en) | 2018-08-20 | 2018-08-20 | Dampening assembly for empty iron series system |
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| CN209162546U true CN209162546U (en) | 2019-07-26 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109082952A (en) * | 2018-08-20 | 2018-12-25 | 中建空列（北京）科技有限公司 | Dampening assembly for empty iron series system |
| CN111424475A (en) * | 2020-03-02 | 2020-07-17 | 同济大学 | Shock-absorbing device of aerial track structure |
-
2018
- 2018-08-20 CN CN201821344518.7U patent/CN209162546U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109082952A (en) * | 2018-08-20 | 2018-12-25 | 中建空列（北京）科技有限公司 | Dampening assembly for empty iron series system |
| CN111424475A (en) * | 2020-03-02 | 2020-07-17 | 同济大学 | Shock-absorbing device of aerial track structure |
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