CN109578500A - A kind of high-speed EMUs air spring of the lateral soft stop of band - Google Patents
A kind of high-speed EMUs air spring of the lateral soft stop of band Download PDFInfo
- Publication number
- CN109578500A CN109578500A CN201811471638.8A CN201811471638A CN109578500A CN 109578500 A CN109578500 A CN 109578500A CN 201811471638 A CN201811471638 A CN 201811471638A CN 109578500 A CN109578500 A CN 109578500A
- Authority
- CN
- China
- Prior art keywords
- pressing sleeve
- spring
- running
- soft stop
- speed emus
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F13/00—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs
- F16F13/005—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a wound spring and a damper, e.g. a friction damper
- F16F13/007—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a wound spring and a damper, e.g. a friction damper the damper being a fluid damper
Abstract
The invention discloses a kind of high-speed EMUs air springs of the lateral soft stop of band, including upper cover plate, air bag, upper pre- pressing sleeve, under pre- pressing sleeve and bottom plate, the periphery of upper cover plate is connect by air bag with the periphery of lower pre- pressing sleeve running-on, low level stacking spring is provided at the top of bottom plate, under pre- pressing sleeve be connected to low level stacking spring on, and the running-on of lower pre- pressing sleeve is sliding towards the running-on of pressing sleeve pre- on upper cover plate and the running-on of lower pre- pressing sleeve and can be along the running-on vertical motion of lower pre- pressing sleeve, the high-order steel spring of multiple arranged concentrics is pressed between upper pre- pressing sleeve and lower pre- pressing sleeve in advance, each high position steel spring is located at the center of upper pre- pressing sleeve and lower pre- pressing sleeve.The air spring system has the advantages that simple and compact for structure, easy for installation, vertical stiffness is small, dynamic displacement ability is strong, comfortableness and security are high.
Description
Technical field
The invention mainly relates to a kind of high-speed EMUs air of the lateral soft stop of bumper and absorbing shock technology more particularly to band
Spring.
Background technique
Air spring assembly is widely used, as railcar, heavy-duty vehicle and other bufferings or damping are more important
Application.In general, this spring assembly includes the elastomer between a pair of of rigid end sheet.Elastomer is made of rubber,
And it is applied to the load compression of spring assembly.In the prior art, rubber emergency spring is because of the characteristic of rubber in the service life phase
Between creep can occur, simultaneously because rubber it is non-linear load increase when vertical stiffness will increase.Item in certain speed cars
On mesh, it is desirable that secondary spring has smaller vertical stiffness, lesser outer diameter, biggish dynamic displacement.Consider secondary spring
Stability requirement, depend merely on existing rubber secondary spring and be difficult to meet such requirement.
Summary of the invention
The technical problem to be solved by the present invention is to overcome the deficiencies in the prior art, provide a kind of simple and compact for structure, installation
The high-speed EMUs with laterally soft stop convenient, that vertical stiffness is small, dynamic displacement ability is strong, comfortableness and security are high is empty
Gas spring.
In order to solve the above technical problems, the invention adopts the following technical scheme:
A kind of high-speed EMUs air spring of the lateral soft stop of band, including upper cover plate, air bag, upper pre- pressing sleeve, lower pre- pressing sleeve
And bottom plate, the periphery of the upper cover plate is connect by the air bag with the periphery of lower pre- pressing sleeve running-on, at the top of the bottom plate
It is provided with low level stacking spring, the lower pre- pressing sleeve is connected on low level stacking spring and the running-on of lower pre- pressing sleeve is towards upper cover plate, institute
The running-on of the running-on and lower pre- pressing sleeve of stating pre- pressing sleeve is sliding and can be along the running-on vertical motion of lower pre- pressing sleeve, the upper pre- pressing sleeve
It is pressed with the high-order steel spring of multiple arranged concentrics in advance between lower pre- pressing sleeve, each high position steel spring is located at upper pre- pressing sleeve and lower pre- pressing sleeve
Center.
As a further improvement of the above technical scheme:
The interior edge that the lower precompressed is placed on its running-on is provided with interior guide table, and the outer that the upper precompressed is placed on its running-on is provided with
Outer guide table, the outer guide table are buckled in below interior guide table.
It is formed between the lower pre- pressing sleeve and the high-order steel spring of periphery and supplies the upper pre- movable evacuation chamber of pressing sleeve.
The lower pre- pressing sleeve includes bottom plate and coaming plate, and the coaming plate is detachably connected by bolt and bottom plate, it is described in lead
Edge, the air bag is arranged in coaming plate to platform connect with coaming plate periphery, low level stacking spring be arranged bottom plate and bottom plate it
Between.
The upper pre- pressing sleeve inner cavity top center is equipped with upper positioning column, and it is lower fixed that the lower pre- pressing sleeve intracavity bottom center is equipped with
Position column, each high position steel spring top are covered in upper positioning column periphery, and each high position steel spring bottom end is covered in lower positioning column periphery.
The upper cover plate bottom surface center is equipped with backstop platform, and the upper pre- pressing sleeve top surface is equipped with backstop slot, the backstop slot
Size is greater than the size of backstop platform.
Detachable damper is installed at the top of the upper cover plate.
The wearing plate that in air deflating state and upper cover plate contacts is equipped at the top of the upper pre- pressing sleeve.
The outer peripheral surface bottom of the upper cover plate is equipped with retaining ring, described air bag one end and retaining ring snapping, the other end and lower precompressed
Cover self-sealing connection.
Compared with the prior art, the advantages of the present invention are as follows:
The high-speed EMUs air spring with laterally soft stop of the invention, including it is upper cover plate, air bag, upper pre- pressing sleeve, lower pre-
The periphery of pressing sleeve and bottom plate, upper cover plate is connect by air bag with the periphery of lower pre- pressing sleeve running-on, is provided at the top of bottom plate low
Position stacking spring, lower pre- pressing sleeve is connected on low level stacking spring and the running-on of lower pre- pressing sleeve is towards upper cover plate, the running-on of upper pre- pressing sleeve
It slips and can be pressed in advance between the running-on vertical motion of lower pre- pressing sleeve, upper pre- pressing sleeve and lower pre- pressing sleeve with the running-on of lower pre- pressing sleeve
The high-order steel spring of multiple arranged concentrics, each high position steel spring are located at the center of upper pre- pressing sleeve and lower pre- pressing sleeve.In the structure, lead to
The high-order steel spring and low level stacking spring for crossing multiple arranged concentrics form cascaded structure, can get lesser vertical stiffness, raising is let out
The safety of fate battalion, reduces derailment coefficients, structure is simple, easy for installation；High-order steel spring is located at upper pre- pressing sleeve and lower precompressed
It covers in the spacer room formed, lesser outer diameter can be obtained, keep overall structure more compact；High-order steel spring is initially shape
At precompression, the vertical stiffness under heavy loads of secondary spring can be substantially reduced by this cascaded structure with precompression, is mentioned
High system dynamic displacement ability, while also improving the comfort of secondary spring under heavy loads；Low level stacking spring is located at upper precompressed
Outside the spacer room that set and lower pre- pressing sleeve are formed, when lateral displacement occurs, the deformation of low level stacking spring can provide cross for system
To soft stop function and bring bigger displacement capacity.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
Each label indicates in figure:
1, upper cover plate；11, backstop platform；12, retaining ring；2, air bag；3, upper pre- pressing sleeve；31, outer guide table；32, upper positioning column；33,
Backstop slot；4, lower pre- pressing sleeve；41, interior guide table；42, bottom plate；43, coaming plate；44, lower positioning column；5, bottom plate；6, low level is laminated
Spring；7, high-order steel spring；8, chamber is avoided；9, damper；10, wearing plate.
Specific embodiment
The present invention is described in further details below with reference to Figure of description and specific embodiment.
As shown in Figure 1, a kind of embodiment of the lateral high-speed EMUs air spring of soft stop of band of the present invention, including it is upper
The periphery of cover board 1, air bag 2, upper pre- pressing sleeve 3, lower pre- pressing sleeve 4 and bottom plate 5, upper cover plate 1 passes through air bag 2 and lower 4 sets of pre- pressing sleeve
The periphery of mouth connects, and low level stacking spring 6 is provided at the top of bottom plate 5, and lower pre- pressing sleeve 4 is connected on low level stacking spring 6 and lower pre-
For the running-on of pressing sleeve 4 towards upper cover plate 1, the running-on of the running-on of upper pre- pressing sleeve 3 and lower pre- pressing sleeve 4 is sliding and can be along lower pre- pressing sleeve 4
Running-on vertical motion is pressed with the high-order steel spring 7 of multiple arranged concentrics, each high position steel spring in advance between upper pre- pressing sleeve 3 and lower pre- pressing sleeve 4
7 are located at the center of upper pre- pressing sleeve 3 and lower pre- pressing sleeve 4.In the structure, by the high-order steel spring 7 of multiple arranged concentrics and low
Position stacking spring 6 forms cascaded structure, can get lesser vertical stiffness, improves the safety for the operation of losing heart, reduces derailment coefficients,
Its structure is simple, easy for installation；High-order steel spring 7 is located in the spacer room that upper pre- pressing sleeve 3 and lower pre- pressing sleeve 4 are formed, and can obtain
Lesser outer diameter is obtained, keeps overall structure more compact；High-order steel spring 7 initially forms precompression, passes through this band precompressed
The cascaded structure of power can substantially reduce the vertical stiffness under heavy loads of secondary spring, improve system dynamic displacement ability, simultaneously
Also improve the comfort of secondary spring under heavy loads；Low level stacking spring 6 be located at upper pre- pressing sleeve 3 and lower pre- pressing sleeve 4 formation it is pre-
It presses outside chamber, when lateral displacement occurs, the deformation of low level stacking spring 6 can provide laterally soft stop function for system and bring more
Big displacement capacity.
In the present embodiment, lower pre- pressing sleeve 4 is provided with interior guide table 41 in the interior edge of its running-on, and upper pre- pressing sleeve 3 is in its running-on
Outer be provided with outer guide table 31, outer guide table 31 is buckled in interior 41 lower section of guide table.The outer guide table 31 is buckled in interior guide table
On the one hand 41 cooperation is played the role of vertically being oriented to, on the other hand prevent pre- pressing sleeve 3 from deviating from, form stable precompression；
Moreover, outer guide table 31, which is buckled in interior guide table 51 also, can limit the lateral displacement of secondary spring system, stability is improved, is prevented auxiliary
Help spring that Cross deformation occurs.
In the present embodiment, is formed between lower pre- pressing sleeve 4 and the high-order steel spring 7 of periphery and supply the movable evacuation chamber of upper pre- pressing sleeve 3
8.The setting of the evacuation chamber 8 prevents pre- pressing sleeve 3 from generating interference with low level stacking spring 6 and lower pre- pressing sleeve 4, ensure that precompressed
The vertical displacement amount of set 3.
In the present embodiment, lower pre- pressing sleeve 4 includes bottom plate 42 and coaming plate 43, and coaming plate 43 is detachably connected by bolt with bottom plate 42
Connect, interior guide table 41 is arranged in coaming plate 43 edge, air bag 2 and connect with 43 periphery of coaming plate, low level be laminated spring 6 be arranged in bottom plate 42 and
Between bottom plate 5.The setting of dismantling connection structure improves installation convenient for the installation fitting of lower pre- pressing sleeve 4 and upper pre- pressing sleeve 3
Convenience.
In the present embodiment, upper pre- 3 inner cavity top center of pressing sleeve is equipped with upper positioning column 32, lower pre- 4 intracavity bottom center of pressing sleeve
Equipped with lower positioning column 44,7 top of each high position steel spring is covered in upper 32 periphery of positioning column, and 7 bottom end of each high position steel spring is covered in lower positioning column
44 peripheries.The setting of upper positioning column 32 and lower positioning column 44 can limit the sliding of high-order steel spring 7, play the role of positioning, also just
In the Fast Installation of high-order steel spring 7.
In the present embodiment, 1 bottom center of upper cover plate is equipped with backstop platform 11, and upper pre- 3 top surface of pressing sleeve is equipped with backstop slot 33, backstop
The size of slot 33 is greater than the size of backstop platform 11.Backstop platform 11 and backstop slot 33 cooperate, so that can limit air in air deflating state
The lateral displacement of spring meets different stop displacement requests.
In the present embodiment, detachable damper 9 is installed at the top of upper cover plate 1.The damper 9 is convenient for changing and adjusts
System damping.
The wearing plate 10 that in air deflating state and upper cover plate 1 contacts is equipped in the present embodiment, at the top of upper pre- pressing sleeve 3.Abrasion
Plate 10 can be reduced the coefficient of friction of discouraged relative motion, improve the service life, reduce noise.
In the present embodiment, the outer peripheral surface bottom of upper cover plate 1 is equipped with retaining ring 12,2 one end of air bag and 12 snapping of retaining ring, the other end
It is connect with lower pre- 4 self-sealing of pressing sleeve.In the structure, the small rim of the mouth of air bag 2 is connect with lower pressure-bearing set 5 using self-sealing, prevents gas leakage.
Although the present invention is disclosed as above with preferred embodiment, however, it is not intended to limit the invention.It is any to be familiar with ability
The technical staff in domain, without deviating from the scope of the technical scheme of the present invention, all using the technology contents pair of the disclosure above
Technical solution of the present invention makes many possible changes and modifications or equivalent example modified to equivalent change.Therefore, all
Without departing from the content of technical solution of the present invention, according to the present invention technical spirit any simple modification made to the above embodiment,
Equivalent variations and modification, all shall fall within the protection scope of the technical scheme of the invention.
Claims (10)
1. a kind of high-speed EMUs air spring of the lateral soft stop of band, it is characterised in that: including upper cover plate (1), air bag
(2), upper pre- pressing sleeve (3), lower pre- pressing sleeve (4) and bottom plate (5), the periphery of the upper cover plate (1) is by the air bag (2) under
The periphery of pre- pressing sleeve (4) running-on connects, and low level stacking spring (6), the lower pre- pressing sleeve (4) are provided at the top of the bottom plate (5)
It is connected in low level stacking spring (6) and the running-on of lower pre- pressing sleeve (4) is towards upper cover plate (1), the running-on of the upper pre- pressing sleeve (3)
It is sliding with the running-on of lower pre- pressing sleeve (4) and can be along the running-on vertical motion of lower pre- pressing sleeve (4), the upper pre- pressing sleeve (3) and lower pre-
It is pressed with the high-order steel spring (7) of multiple arranged concentrics between pressing sleeve (4) in advance, each high position steel spring (7) is located at upper pre- pressing sleeve (3) and lower pre-
The center of pressing sleeve (4).
2. the high-speed EMUs air spring of the lateral soft stop of band according to claim 1, it is characterised in that: under described
Pre- pressing sleeve (4) is provided with interior guide table (41) in the interior edge of its running-on, and the upper pre- pressing sleeve (3) is provided in the outer of its running-on
Outer guide table (31), the outer guide table (31) are buckled in below interior guide table (41).
3. the high-speed EMUs air spring of the lateral soft stop of band according to claim 2, it is characterised in that: under described
It is formed between pre- pressing sleeve (4) and the high-order steel spring (7) of periphery and supplies the upper pre- movable evacuation chamber (8) of pressing sleeve (3).
4. the high-speed EMUs air spring of the lateral soft stop of band according to claim 3, it is characterised in that: under described
Pre- pressing sleeve (4) includes bottom plate (42) and coaming plate (43), and the coaming plate (43) is detachably connected by bolt with bottom plate (42), described
Interior guide table (41) is arranged on coaming plate (43) interior edge, and the air bag (2) connect with coaming plate (43) periphery, and spring is laminated in the low level
(6) it is arranged between bottom plate (42) and bottom plate (5).
5. the high-speed EMUs air spring of the lateral soft stop of band according to claim 4, it is characterised in that: on described
Pre- pressing sleeve (3) inner cavity top center is equipped with upper positioning column (32), and lower pre- pressing sleeve (4) the intracavity bottom center is equipped with lower positioning column
(44), each high-order steel spring (7) top is covered in upper positioning column (32) periphery, and each high position steel spring (7) bottom end is covered in lower positioning column (44)
Periphery.
6. the high-speed EMUs air spring of the lateral soft stop of band according to claim 5, it is characterised in that: on described
Cover board (1) bottom center is equipped with backstop platform (11), and upper pre- pressing sleeve (3) top surface is equipped with backstop slot (33), the backstop slot
(33) size is greater than the size of backstop platform (11).
7. the high-speed EMUs air spring of the lateral soft stop of band according to claim 6, it is characterised in that: on described
Detachable damper (9) are installed at the top of cover board (1).
8. the high-speed EMUs air spring of the lateral soft stop of band according to any one of claim 1 to 7, feature
It is: is equipped with the wearing plate (10) that in air deflating state and upper cover plate (1) contacts at the top of the upper pre- pressing sleeve (3).
9. the high-speed EMUs air spring of the lateral soft stop of band according to any one of claim 1 to 7, feature
Be: the outer peripheral surface bottom of the upper cover plate (1) is equipped with retaining ring (12), and described air bag (2) one end and retaining ring (12) snapping are another
End is connect with lower pre- pressing sleeve (4) self-sealing.
10. the high-speed EMUs air spring of the lateral soft stop of band according to claim 8, it is characterised in that: described
The outer peripheral surface bottom of upper cover plate (1) is equipped with retaining ring (12), described air bag (2) one end and retaining ring (12) snapping, the other end with it is lower pre-
Pressing sleeve (4) self-sealing connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811471638.8A CN109578500B (en) | 2018-12-04 | 2018-12-04 | Air spring with transverse soft stop for high-speed motor train unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811471638.8A CN109578500B (en) | 2018-12-04 | 2018-12-04 | Air spring with transverse soft stop for high-speed motor train unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109578500A true CN109578500A (en) | 2019-04-05 |
| CN109578500B CN109578500B (en) | 2020-12-25 |
Family
ID=65927090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811471638.8A Active CN109578500B (en) | 2018-12-04 | 2018-12-04 | Air spring with transverse soft stop for high-speed motor train unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109578500B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110195758A (en) * | 2019-06-19 | 2019-09-03 | 中车青岛四方车辆研究所有限公司 | A kind of air spring and vehicle |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19637217A1 (en) * | 1996-07-23 | 1998-01-29 | Roland Mikulasch | Shock absorber especially for pipes, with faucet and coaxial pipe end-piece |
| CN107740835A (en) * | 2017-11-13 | 2018-02-27 | 株洲时代新材料科技股份有限公司 | A kind of combination type air spring system |
| CN207364170U (en) * | 2017-10-27 | 2018-05-15 | 株洲时代新材料科技股份有限公司 | A kind of prepressing type is met an urgent need air spring assembly |
| CN207406691U (en) * | 2017-10-27 | 2018-05-25 | 株洲时代新材料科技股份有限公司 | A kind of prepressing type air spring assembly |
| CN108302154A (en) * | 2017-12-25 | 2018-07-20 | 株洲时代新材料科技股份有限公司 | Combined air spring assembly |
| CN207997867U (en) * | 2018-02-24 | 2018-10-23 | 中车青岛四方机车车辆股份有限公司 | A kind of air spring, the bogie and rail vehicle for being equipped with the air spring |
-
2018
- 2018-12-04 CN CN201811471638.8A patent/CN109578500B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19637217A1 (en) * | 1996-07-23 | 1998-01-29 | Roland Mikulasch | Shock absorber especially for pipes, with faucet and coaxial pipe end-piece |
| CN207364170U (en) * | 2017-10-27 | 2018-05-15 | 株洲时代新材料科技股份有限公司 | A kind of prepressing type is met an urgent need air spring assembly |
| CN207406691U (en) * | 2017-10-27 | 2018-05-25 | 株洲时代新材料科技股份有限公司 | A kind of prepressing type air spring assembly |
| CN107740835A (en) * | 2017-11-13 | 2018-02-27 | 株洲时代新材料科技股份有限公司 | A kind of combination type air spring system |
| CN108302154A (en) * | 2017-12-25 | 2018-07-20 | 株洲时代新材料科技股份有限公司 | Combined air spring assembly |
| CN207997867U (en) * | 2018-02-24 | 2018-10-23 | 中车青岛四方机车车辆股份有限公司 | A kind of air spring, the bogie and rail vehicle for being equipped with the air spring |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110195758A (en) * | 2019-06-19 | 2019-09-03 | 中车青岛四方车辆研究所有限公司 | A kind of air spring and vehicle |
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| Publication number | Publication date |
|---|---|
| CN109578500B (en) | 2020-12-25 |
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