CN108150588A - A kind of rail traffic hydraulic bushing - Google Patents

A kind of rail traffic hydraulic bushing Download PDF

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Publication number
CN108150588A
CN108150588A CN201611162812.1A CN201611162812A CN108150588A CN 108150588 A CN108150588 A CN 108150588A CN 201611162812 A CN201611162812 A CN 201611162812A CN 108150588 A CN108150588 A CN 108150588A
Authority
CN
China
Prior art keywords
rubber
spring
runner
bushing
rail traffic
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.)
Pending
Application number
CN201611162812.1A
Other languages
Chinese (zh)
Inventor
邹波
罗旦
罗俊
冯万盛
卜继玲
荣继刚
邹宇
张亚新
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhuzhou Times New Material Technology Co Ltd
Original Assignee
Zhuzhou Times New Material Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zhuzhou Times New Material Technology Co Ltd filed Critical Zhuzhou Times New Material Technology Co Ltd
Publication of CN108150588A publication Critical patent/CN108150588A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • F16F13/04—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper
    • F16F13/06—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper
    • F16F13/08—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper the plastics spring forming at least a part of the wall of the fluid chamber of the damper
    • F16F13/14—Units of the bushing type, i.e. loaded predominantly radially
    • 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
    • F16F13/04—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper
    • F16F13/06—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper
    • F16F13/08—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper the plastics spring forming at least a part of the wall of the fluid chamber of the damper
    • F16F13/14—Units of the bushing type, i.e. loaded predominantly radially
    • F16F13/1481—Units of the bushing type, i.e. loaded predominantly radially characterised by features of plastic springs, e.g. presence of cavities or stiffeners; characterised by features of flexible walls of equilibration chambers, i.e. membranes
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C32/00—Bearings not otherwise provided for
    • F16C32/06—Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings
    • F16C32/0629—Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings supported by a liquid cushion, e.g. oil cushion
    • F16C32/0633—Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings supported by a liquid cushion, e.g. oil cushion the liquid being retained in a gap
    • 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
    • F16F13/04—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper
    • F16F13/06—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper
    • F16F13/08—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper the plastics spring forming at least a part of the wall of the fluid chamber of the damper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
    • B61F5/00—Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
    • B61F5/38—Arrangements or devices for adjusting or allowing self- adjustment of wheel axles or bogies when rounding curves, e.g. sliding axles, swinging axles
    • B61F5/42—Adjustment controlled by buffer or coupling gear
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
    • B61F5/00—Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
    • B61F5/50—Other details
    • 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
    • F16F13/04—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper
    • F16F13/06—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper
    • F16F13/08—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper the plastics spring forming at least a part of the wall of the fluid chamber of the damper
    • F16F13/14—Units of the bushing type, i.e. loaded predominantly radially
    • F16F13/1445—Units of the bushing type, i.e. loaded predominantly radially characterised by method of assembly, production or treatment
    • 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
    • F16F13/04—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper
    • F16F13/06—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper
    • F16F13/08—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper the plastics spring forming at least a part of the wall of the fluid chamber of the damper
    • F16F13/14—Units of the bushing type, i.e. loaded predominantly radially
    • F16F13/1463—Units of the bushing type, i.e. loaded predominantly radially characterised by features of passages between working chambers
    • 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
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/10—Suppression of vibrations in rotating systems by making use of members moving with the system
    • F16F15/16—Suppression of vibrations in rotating systems by making use of members moving with the system using a fluid or pasty material
    • F16F15/165—Sealing arrangements
    • 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
    • F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32—Details
    • F16F9/43—Filling or drainage arrangements, e.g. for supply of gas
    • 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
    • F16F2222/00—Special physical effects, e.g. nature of damping effects
    • F16F2222/12—Fluid damping
    • 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
    • F16F2230/00—Purpose; Design features
    • F16F2230/06—Fluid filling or discharging

Abstract

The present invention provides a kind of rail traffic hydraulic bushing, including rubber spring and bushing housing, the bushing housing is sheathed on the outside of the rubber spring, the rubber spring is equipped with two airtight liquid chambers and the runner for connecting two airtight liquid chambers, the runner is set on the periphery of the rubber spring, it is put on outside the bushing equipped with liquid injection hole, the liquid injection hole is docked and connected with the runner.The advantages of present invention, which has, processes simple, precision height, and at low cost.

Description

A kind of rail traffic hydraulic bushing
Cross reference to related applications
This application claims enjoy in the Chinese patent application CN201611095592.5 that submits on December 02nd, 2016 and in The priority of Chinese patent application CN201611096400.2 that on December 02nd, 2016 submits, entire contents are by quoting simultaneously Enter herein.
Technical field
The present invention relates to bogie more particularly to a kind of rail traffic hydraulic bushings.
Background technology
Existing hydraulic bushing product is all to be applied to field of automobile suspension, mainly meets the big rigidity of product low frequency, big resistance Buddhist nun or the small rigidity of high frequency, the requirement of small damping, to achieve the purpose that rapid decay vibration and noise reduction, hydraulic bushing is in track at present Field of traffic does not have related application.The mandrel that hydraulic bushing on existing automobile is typically employed in hydraulic bushing opens fluid injection runner Mode realize fluid injection, i.e. fluid enters the liquid chamber of mandrel exterior by mandrel axial direction reservoir channel, radial direction reservoir channel.Due to Axial fluid injection runner is long, and liquid injection hole is small so that the beat of drill bit is big during processing, processing difficulties, and fluid injection can not be effectively ensured The machining accuracy in hole, and the radial direction reservoir channel radially connected with liquid chamber, of high cost, production efficiency need to be processed using this method It is low；Meanwhile it is more to be easy to cause axis hole residual fluid, causes to waste.
Invention content
The technical problem to be solved by the present invention is to overcome the deficiencies in the prior art, provide that a kind of processing is simple, precision is high, and Rail traffic hydraulic bushing at low cost.
In order to solve the above technical problems, technical solution proposed by the present invention is：
A kind of rail traffic hydraulic bushing, including rubber spring and bushing housing, the bushing housing is sheathed on described The outside of rubber spring, the rubber spring are equipped with two airtight liquid chambers and the runner for connecting two airtight liquid chambers, the runner It on the periphery of the rubber spring, is put on outside the bushing equipped with liquid injection hole, the liquid injection hole is with the runner in succession It is logical.
As a further improvement of the above technical scheme：
Sealing element is equipped in the liquid injection hole, the sealing element is removably mounted in the liquid injection hole.
The runner includes being located at the helical flow path in the middle part of rubber spring and the annulus runner positioned at rubber spring both sides, institute Liquid injection hole is stated to be docked and connected with the annulus runner.
The rubber spring includes the mandrel, the first rubber bodies and the nylon body that are arranged successively, and the runner is set on the Buddhist nun On the periphery of imperial body, two airtight liquid chamber is set in first rubber bodies.
The mandrel and the first rubber bodies and the first rubber bodies are connected with nylon body for vulcanization.
The auxiliary spring of two rubber for providing hydraulic bushing axial rigidity is further included, two auxiliary springs of rubber pass through the lining Housing sealing press fitting is covered in the both ends of the rubber spring.
Two axially extending bores being arranged symmetrically are equipped in first rubber bodies, the both ends of first rubber bodies, which are equipped with, to be used for Connect the annular groove of runner and axially extending bore；The auxiliary spring of rubber includes the second rubber bodies, and it is close that the second rubber bodies are equipped with two Envelope protrusion, the seal convexity is set in the annular groove, and annular groove is divided into two half circle grooves, positioned at the same side Half circle groove and axially extending bore form an airtight liquid chamber.
The auxiliary spring of two rubber for providing hydraulic bushing axial rigidity is further included, two auxiliary springs of rubber pass through the lining Housing sealing press fitting is covered to be interference fitted in the both ends of the rubber spring, the auxiliary spring of the rubber spring, rubber and bushing housing.
The auxiliary spring of rubber further includes support ring, the first gasket seal and the second gasket seal, and second rubber bodies are led to It crosses support ring to be installed on the mandrel, first gasket seal is divided into the inside and outside of the support ring with the second gasket seal Both sides.
The outside of second gasket seal is equipped with fillet, and the inner wall at the bushing housing both ends is turned over equipped with groove with being formed Side, the flange are fitted on the outside of the second gasket seal.
Compared with prior art, the advantage of the invention is that：
Runner is set on the periphery of rubber spring by the present invention, and liquid injection hole is directly arranged at bushing housing and is connected with runner It is logical so that liquid injection hole covers drilling directly outside bushing and runner fluid injection can be realized, and processing is simple, production efficiency is high, and drill bit Beat is small during processing, high precision machining, meanwhile, liquid injection hole is vertically arranged, and length is short, is not easy residual fluid.
The runner of rubber spring both sides is further set as annulus runner by the present invention, and liquid injection hole is connected with annulus runner, So that bushing housing occurs also to can guarantee that liquid injection hole is effectively docked with runner during minor rotation, reduce between liquid injection hole and runner Cooperation difficulty, ensure fluid injection effect.
Description of the drawings
The invention will be described in more detail below based on embodiments and refering to the accompanying drawings.Wherein：
Fig. 1 is the dimensional structure diagram of the present invention.
Fig. 2 is another dimensional structure diagram of the present invention.
Fig. 3 is the main sectional view of the present invention.
Fig. 4 is the front view of rubber spring of the present invention.
Fig. 5 is the left view of Fig. 4.
Fig. 6 is the structure diagram of the auxiliary spring of rubber of the present invention.
Fig. 7 is the structure diagram of bushing housing of the present invention.
Each label represents in figure：
1st, rubber spring；11st, mandrel；12nd, the first rubber bodies；121st, axially extending bore；122nd, annular groove；13rd, nylon body； 14th, airtight liquid chamber；15th, runner；151st, helical flow path；152nd, annulus runner；2nd, bushing housing；21st, liquid injection hole；22nd, flange；3、 The auxiliary spring of rubber；31st, the second rubber bodies；311st, seal convexity；32nd, support ring；33rd, the first gasket seal；34th, the second gasket Piece；341st, fillet；4th, sealing element.
Specific embodiment
Under will combine Figure of description and specific embodiment the present invention will be described in further details, but does not therefore limit Protection scope of the present invention processed.
As Fig. 1 to Fig. 7 shows the embodiment of rail traffic hydraulic bushing of the present invention, rail traffic liquid of the invention Press bushing for the pivoted arm positioning field of Highs-speed motor train unit bogie, it can be achieved that the stiffness equivalent of wide scope, that is, moving along a straight line In the process, hydraulic bushing is in big rigidity state, vehicle can fast running, stability it is high, train is during turning, hydraulic pressure lining Set is in small rigidity state, and deformation space is big, it can be achieved that flexibility is excessively curved.In the present embodiment, rail traffic is included with hydraulic bushing Rubber spring 1 and bushing housing 2, bushing housing 2 are sheathed on the outside of rubber spring 1, and rubber spring 1 is equipped with two airtight liquid chambers 14 And runner 15, runner 15 are set on the periphery of rubber spring 1 and connect two airtight liquid chambers 14, two airtight liquid chambers 14 provide the stream of fluid Dynamic space, fluid are filled in airtight liquid chamber 14 and runner 15, provide the difference under rail traffic hydraulic bushing different frequency Stiffness characteristics, meanwhile, fluid can damping energy dissipation, attenuation vibration, prevent from resonating, effectively reduce wheeling edge wearing, improve component Service life.In the present embodiment, bushing housing 2 is equipped with liquid injection hole 21, and liquid injection hole 21 is docked and connected with runner 15.The present invention will Runner 15 is set on the periphery of rubber spring 1, and liquid injection hole 21 is directly arranged at bushing housing 2 and is connected with runner 15 so that Liquid injection hole 21 drills directly on bushing housing 2 and 15 fluid injection of runner can be realized, and processing is simple, production efficiency is high, and drill bit adds Working hour beat is small, high precision machining, meanwhile, liquid injection hole 21 is vertically arranged, and length is short, is not easy residual fluid.
In the present embodiment, sealing element 4 is equipped in liquid injection hole 21, sealing element 4 is mounted in liquid injection hole 21, and is led to Cross fluid sealant sealing, the convenient supply or replacement that vacuumize process and fluid are carried out to airtight liquid chamber 14, particularly basic On the basis of structure has determined, when needing to adjust the performance of product, can product be adjusted by the selection of fluid viscosity Can, to meet customer need.In the present embodiment, sealing element 4 is screw.
As shown in Figure 3, Figure 4, in the present embodiment, runner 15 includes helical flow path 151 and annulus runner 152, helical flow path 151 are located at the middle part of rubber spring 1, and annulus runner 152 is located at the both sides of rubber spring 1, and liquid injection hole 21 and annulus runner 152 are right Lead in succession so that bushing housing 2 occurs also to can guarantee that liquid injection hole 21 is effectively docked with runner 15 during minor rotation, reduces fluid injection Cooperation difficulty between hole 21 and runner 15, ensure that fluid injection effect.
In the present embodiment, rail traffic further includes the auxiliary spring 3 of two rubber with hydraulic bushing, and the auxiliary spring 3 of two rubber is used to provide liquid Bushing axial rigidity is pressed, the auxiliary spring 3 of two rubber is by the sealing press fitting of bushing housing 2 in the both ends of rubber spring 1, rubber spring 1 The fit form of spring 3 auxiliary with two rubber is, it can be achieved that the matching of multi-direction rigidity, by adjusting the radial rigidity and axis of hydraulic bushing To rigidity ratio, the different designs demand of client can be met.
In the present embodiment, rubber spring 1 includes the mandrel 11, the first rubber bodies 12 and the nylon body 13 that are arranged successively, mandrel 11 and first rubber bodies 12 and the first rubber bodies 12 and nylon body 13 be vulcanization connection, and runner 15 is set on the outer of nylon body 13 Zhou Shang, runner 15 use polyamide material, and two airtight liquid chambers 14 are set in the first rubber bodies 12, and bushing housing 2 is sheathed on nylon Outside body 13；Meanwhile mandrel 11 is connect with the framework of bogie, bushing housing 2 is connect with the positioning arm of bogie.
In the present embodiment, two axially extending bores 121 are equipped in the first rubber bodies 12, two axially extending bores 121 are symmetrically arranged in core The both sides of axis 11, the both ends of the first rubber bodies 12 are equipped with annular groove 122, and annular groove 122 connects runner 15 and axially extending bore 121, form fluid flowing passage；The auxiliary spring 3 of rubber includes the second rubber bodies 31, and the second rubber bodies 31 are equipped with two seal convexities 311, seal convexity 311, which supports, to be set in annular groove 122, and annular groove 122 is divided into two half circle grooves, positioned at the same side Half circle groove and axially extending bore 121 form an airtight liquid chamber 14, and airtight liquid chamber 14 is vacuum tightness loop configuration, the sealing fluid of both sides Room 14 is connected by runner 15.It is high-pressure sealed in a state that train vibration influence, hydraulic bushing are in loaded in the present embodiment The fluid of liquid chamber 14 is flowed by runner 15 to low pressure airtight liquid chamber 14, realizes the stiffness tuning of hydraulic bushing and damping energy dissipation effect Should, it improves stability and low speed under train straightway high-frequency vibration and crosses curve ability, and finally realize and reduce wheeling edge wearing, carry High component service life.
In the present embodiment, the auxiliary spring 3 of rubber further includes support ring 32, the first gasket seal 33 and the second gasket seal 34, branch Pushing out ring 32 is sheathed on mandrel 11, and the second rubber bodies 31 are installed on by support ring 32 on mandrel 11, the first gasket seal 33 with Second gasket seal 34 is set in the second rubber bodies 31, and the first gasket seal 33 and the second gasket seal 34 are divided into support ring Inside and outside 32, and coordinate the effective sealing for realizing hydraulic bushing with bushing housing 2.
In the present embodiment, the auxiliary spring 3 of rubber spring 1, rubber and bushing housing 2 are interference press fitting, using room temperature plus silicone oil Mode is pressed, and not only can guarantee press fitting but also can guarantee effective sealing, meanwhile, the outside of the second gasket seal 34 is equipped with fillet 341, the inner wall at 2 both ends of bushing housing is equipped with groove to form flange 22, and flange 22 fits in 34 outside of the second gasket seal, into One step ensure that effective sealing of hydraulic bushing.
In the present embodiment, rubber spring 1, rubber auxiliary spring 3 should be noted that guarantee alignment when being pressed to bushing housing 2, assemble It can be used screw is detected liquid injection hole 21 with whether runner 15 is aligned completely after the completion, i.e., insert screw by liquid injection hole 21 It is detected in air stream enter runner 15.
In the present embodiment, during train vibration influence, hydraulic bushing is constantly in state loaded, i.e. bogie is determined Position pivoted arm applies forces to bushing housing 2, and in train straight-line travelling, in fast state, driving frequency is high at this time, positioning Pivoted arm amplitude is small, and the liquid in hydraulic bushing has little time to move, and forms dynamic and hardens so that and dynamic stiffenss ratio is larger, rigidity is bigger, Vehicle amplitude is small, realizes the fast running of rail traffic, and traction is stablized；Train excessively it is curved when driving, in lower-speed state, this When driving frequency is low, amplitude is big, positioning arm forms the bushing housing 2 of hydraulic bushing and squeezes so that the stream in hydraulic bushing Body flows, and only the rigidity of rubber in itself, rigidity reduce at this time, and it is excessively curved to realize train flexibility for deformable space increase.
Although by reference to preferred embodiment, invention has been described, in the situation for not departing from the scope of the present invention Under, various improvement can be carried out to it and component therein can be replaced with equivalent.Especially, it to be rushed as long as there is no structures Prominent, items technical characteristic mentioned in the various embodiments can be combined in any way.The invention is not limited in texts Disclosed in specific embodiment, but all technical solutions including falling within the scope of the appended claims.

Claims (10)

1. a kind of rail traffic hydraulic bushing, which is characterized in that including rubber spring and bushing housing, the bushing housing set Set on the outside of the rubber spring, the rubber spring is equipped with two airtight liquid chambers and the runner for connecting two airtight liquid chambers, The runner is set on the periphery of the rubber spring, is put on outside the bushing equipped with liquid injection hole, the liquid injection hole and the stream Road is docked and connected.
2. rail traffic hydraulic bushing according to claim 1, which is characterized in that sealing is equipped in the liquid injection hole Part, the sealing element are removably mounted in the liquid injection hole.
3. rail traffic hydraulic bushing according to claim 2, which is characterized in that the runner includes being located at rubber master Helical flow path in the middle part of spring and the annulus runner positioned at rubber spring both sides, the liquid injection hole is with the annulus runner in succession It is logical.
4. the rail traffic hydraulic bushing according to claims 1 to 3 any one, which is characterized in that the rubber master Spring includes the mandrel, the first rubber bodies and the nylon body that are arranged successively, and the runner is set on the periphery of the nylon body, and described two Airtight liquid chamber is set in first rubber bodies.
5. rail traffic hydraulic bushing according to claim 4, which is characterized in that the mandrel and the first rubber bodies and First rubber bodies are connected with nylon body for vulcanization.
6. rail traffic hydraulic bushing according to claim 4, which is characterized in that further include to provide hydraulic bushing The auxiliary spring of two rubber of axial rigidity, two auxiliary springs of rubber are by bushing housing sealing press fitting in the rubber spring Both ends.
7. rail traffic hydraulic bushing according to claim 6, which is characterized in that two are equipped in first rubber bodies The axially extending bore being arranged symmetrically, the both ends of first rubber bodies are equipped with the annular groove for connecting runner and axially extending bore； The auxiliary spring of rubber includes the second rubber bodies, and the second rubber bodies are equipped with two seal convexities, and the seal convexity is set on the ring In connected in star, and annular groove is divided into two half circle grooves, a sealing fluid is formed positioned at the same side half circle groove and axially extending bore Room.
8. the rail traffic hydraulic bushing according to claims 1 to 3 any one, which is characterized in that further include and be used for The auxiliary spring of two rubber of hydraulic bushing axial rigidity is provided, two auxiliary springs of rubber are by bushing housing sealing press fitting in institute The both ends of rubber spring are stated, the auxiliary spring of the rubber spring, rubber and bushing housing are interference fitted.
9. rail traffic hydraulic bushing according to claim 8, which is characterized in that the auxiliary spring of rubber further includes support Ring, the first gasket seal and the second gasket seal, second rubber bodies are installed on by support ring on the mandrel, and described One gasket seal and the second gasket seal are divided into inside and outside the support ring.
10. rail traffic hydraulic bushing according to claim 9, which is characterized in that outside second gasket seal Side is equipped with fillet, and the inner wall at the bushing housing both ends is equipped with groove to form flange, and the flange fits in the second gasket On the outside of piece.
CN201611162812.1A 2016-12-02 2016-12-15 A kind of rail traffic hydraulic bushing Pending CN108150588A (en)

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CN201611161939.1A Pending CN108150587A (en) 2016-12-02 2016-12-15 A kind of electrolyte filling method of rail traffic hydraulic bushing
CN201621381050.XU Active CN206555347U (en) 2016-12-02 2016-12-15 A kind of track traffic hydraulic bushing
CN201611162812.1A Pending CN108150588A (en) 2016-12-02 2016-12-15 A kind of rail traffic hydraulic bushing
CN201611166346.4A Withdrawn CN108150590A (en) 2016-12-02 2016-12-16 A kind of hydraulic bushing
CN201611174053.0A Active CN108150596B (en) 2016-12-02 2016-12-16 Hydraulic bushing
CN201611166402.4A Active CN108150591B (en) 2016-12-02 2016-12-16 Sealing assembly for hydraulic bushing and hydraulic bushing
CN201611168201.8A Active CN108150595B (en) 2016-12-02 2016-12-16 Hydraulic bushing
CN201611166938.6A Active CN108150593B (en) 2016-12-02 2016-12-16 Hydraulic bushing
CN201611166520.5A Active CN108150592B (en) 2016-12-02 2016-12-16 Hydraulic bushing
CN201611168146.2A Withdrawn CN108150594A (en) 2016-12-02 2016-12-16 A kind of hydraulic bushing
CN201611166343.0A Active CN108150589B (en) 2016-12-02 2016-12-16 Hydraulic bushing
CN201621423948.9U Active CN206555348U (en) 2016-12-02 2016-12-23 Hydraulic bushing and track train
CN201611205646.9A Active CN108150597B (en) 2016-12-02 2016-12-23 Hydraulic bushing and rail train
CN201611206104.3A Withdrawn CN108150585A (en) 2016-12-02 2016-12-23 Hydraulic bushing and track train
CN201621425372.XU Active CN206361076U (en) 2016-12-02 2016-12-23 hydraulic bushing and track train
CN201611206570.1A Active CN108150598B (en) 2016-12-02 2016-12-23 Hydraulic bushing and rail train
CN201611206851.7A Active CN108150536B (en) 2016-12-02 2016-12-23 Hydraulic bushing and rail train
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CN201611166402.4A Active CN108150591B (en) 2016-12-02 2016-12-16 Sealing assembly for hydraulic bushing and hydraulic bushing
CN201611168201.8A Active CN108150595B (en) 2016-12-02 2016-12-16 Hydraulic bushing
CN201611166938.6A Active CN108150593B (en) 2016-12-02 2016-12-16 Hydraulic bushing
CN201611166520.5A Active CN108150592B (en) 2016-12-02 2016-12-16 Hydraulic bushing
CN201611168146.2A Withdrawn CN108150594A (en) 2016-12-02 2016-12-16 A kind of hydraulic bushing
CN201611166343.0A Active CN108150589B (en) 2016-12-02 2016-12-16 Hydraulic bushing
CN201621423948.9U Active CN206555348U (en) 2016-12-02 2016-12-23 Hydraulic bushing and track train
CN201611205646.9A Active CN108150597B (en) 2016-12-02 2016-12-23 Hydraulic bushing and rail train
CN201611206104.3A Withdrawn CN108150585A (en) 2016-12-02 2016-12-23 Hydraulic bushing and track train
CN201621425372.XU Active CN206361076U (en) 2016-12-02 2016-12-23 hydraulic bushing and track train
CN201611206570.1A Active CN108150598B (en) 2016-12-02 2016-12-23 Hydraulic bushing and rail train
CN201611206851.7A Active CN108150536B (en) 2016-12-02 2016-12-23 Hydraulic bushing and rail train
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CN108150536B (en) 2020-06-26
CN206555348U (en) 2017-10-13

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