CN108150598A - Hydraulic bushing and track train - Google Patents

Hydraulic bushing and track train Download PDF

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Publication number
CN108150598A
CN108150598A CN201611206570.1A CN201611206570A CN108150598A CN 108150598 A CN108150598 A CN 108150598A CN 201611206570 A CN201611206570 A CN 201611206570A CN 108150598 A CN108150598 A CN 108150598A
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CN
China
Prior art keywords
hydraulic bushing
mandrel
sleeve
housing
sap cavity
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.)
Granted
Application number
CN201611206570.1A
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Chinese (zh)
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CN108150598B (en
Inventor
丁行武
邹波
罗旦
卜继玲
张亚新
姜其斌
冯万盛
刘建勋
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Zhuzhou Times New Material Technology Co Ltd
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Zhuzhou Times New Material Technology Co Ltd
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Publication of CN108150598A publication Critical patent/CN108150598A/en
Application granted granted Critical
Publication of CN108150598B publication Critical patent/CN108150598B/en
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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
    • 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
    • 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
    • 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
    • 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 invention discloses a kind of hydraulic bushing and track trains.Hydraulic bushing includes：Mandrel, the sleeve being set on the outside of mandrel filled with the first rubber bodies in the gap between mandrel and sleeve, construct fluted on the outer surface of sleeve and compress the housing being set on the outside of sleeve.Two sap cavities for accommodating liquid are diametrically opposite configured in the first rubber bodies, groove surrounds runner with housing, and two sap cavities are connected by runner.After the hydraulic bushing of the present invention is used on track train, it can not only ensure that train is stablized in straight-going state and move ahead, and the abrasion of wheel and track in negotiation of bends state can be reduced.

Description

Hydraulic bushing and track train
Cross reference to related applications
This application claims enjoy in the China of entitled " hydraulic bushing and the track train " submitted on December 2nd, 2016 specially Profit applies for the Chinese patent application of entitled " a kind of hydraulic bushing " submitted on December 2nd, CN201611095592.5 and 2016 The priority of CN201611096400.2, all the contents of the application are herein incorporated by reference.
Technical field
The present invention relates to track train fields, more particularly to a kind of hydraulic bushing, can be used on track train.
Background technology
The operation of track train can be simply divided into two states, the first is straight-going state, and second is negotiation of bends State.In the prior art, wheel is connected with bogie generally by means of rubber pivoted arm, so that in straight-going state, row Vehicle is travelled along rail fast and stable；In negotiation of bends state, train can be along the smooth steering of track.
In order to enable the train stable operation in straight-going state, rubber pivoted arm is usually configured with to larger rigidity Value.But this rubber pivoted arm with greater stiffness can cause in negotiation of bends state, the serious mill of wheel and track Damage, so as to increase the operation cost of train.
Invention content
In view of the above-mentioned problems, the present invention proposes a kind of hydraulic bushing.The hydraulic bushing of the present invention is being used into track column After on vehicle, it can not only ensure that train is stablized in straight-going state and move ahead, and the wheel in negotiation of bends state can be reduced With the abrasion of track.The invention also provides a kind of track trains, and it uses the hydraulic bushings of the present invention.
Hydraulic bushing according to a first aspect of the present invention includes：Mandrel, the sleeve being set on the outside of mandrel, in mandrel and set Filled with the first rubber bodies in gap between cylinder, fluted and housing is constructed on the outer surface of sleeve, compression is arranged On the outside of sleeve, two sap cavities for accommodating liquid are diametrically opposite configured in the first rubber bodies, groove is enclosed with housing Into runner, two sap cavities are connected by runner.
In train, the mandrel of hydraulic bushing is connected with the bogie of track train, the wheel of housing and track train Registration arm is connected, and hydraulic bushing is usually arranged as a sap cavity and is in front (using current of traffic as reference), and one is in Rear.In train curve when driving, wheel occurs to turn to and registration arm is driven to move, and then makes mandrel and housing that opposite fortune occur It is dynamic, it is achieved in the steering for the bogie being connected with mandrel and realizes the swivel of car body.In the process, mandrel and housing Relative motion causes the sap cavity in front to be extruded, and the sap cavity in rear is extended, thus the portion in the sap cavity in front Liquid separation cognition is flowed into through runner in the sap cavity at rear, to comply with the steering of the relative motion of mandrel and housing and wheel.From whole It is seen on body, during train curve travels, hydraulic bushing according to the present invention has rubber pivoted arm bigger than in the prior art Flexibility so that wheel can be turned to swimmingly, so as to reduce the abrasion of wheel and track.In train straight-going state, liquid Liquid in chamber and runner almost remains stationary as, this causes the rigidity of hydraulic bushing relative to rubber pivoted arm of the prior art Rigidity does not have significant change, so as to which train be made to keep stable operation.
In one embodiment, in one embodiment, sap cavity extends on circumferentially.Preferably, the middle part of sap cavity Width be less than edge width.According to this structure, even if when mandrel moves to extreme position (that is, sap cavity relative to housing Bottom wall is contacted with roof), at the edge of sap cavity still with the presence of liquid, this helps to move from this relative to housing when mandrel After extreme position, the fast quick-recovery of sap cavity prevents hydraulic bushing to be destroyed.
In one embodiment, two circumferential edges of sap cavity are respectively formed as the fluid reservoir expanded radially inwards, are in Middle part between two circumferential edges forms communication chamber.According to this structure, even if when mandrel moves across pole relative to housing Extreme position and communication chamber is caused to completely disappear, still have liquid in the fluid reservoir of sap cavity, further help in when mandrel is opposite After housing moves from the extreme position, sap cavity can fast quick-recovery, hydraulic bushing is prevented to be destroyed.In addition, disappear in communication chamber After mistake, fluid reservoir and auxiliary sap cavity in communication still contribute to keep the flexibility of hydraulic bushing.In addition, it expands radially inwards Fluid reservoir cause first rubber bodies of the amount ratio of the first rubber bodies between sleeve and sap cavity between sleeve and mandrel Amount is less, and such sap cavity is sensitiveer to the response of the relative motion of housing and mandrel, so as to more comply with the steering of wheel simultaneously Reduce the abrasion of wheel and track.
In one embodiment, sap cavity is formed in the first rubber bodies with axially penetrating through, in the both sides of sleeve on mandrel It is arranged with seal assembly respectively, seal assembly and the corresponding axial end portion of sleeve and the first rubber bodies are in sealing contact.It is in this way, opposite For non-through formula is formed in the sap cavity in rubber bodies, the volume bigger of the sap cavity in this embodiment so that hydraulic bushing Flexibility with bigger, to reduce the abrasion of train curve wheel and track when driving.
In one embodiment, seal assembly includes rigid support ring and rigid gasket, and support ring and gasket pass through Second rubber bodies link together.According to this structure, since support ring is connected with gasket by the second rubber bodies, this causes outer Relative motion can occur for set and mandrel, so as to which wheel be made smoothly to turn to.In addition, the second rubber bodies can absorb housing relative to The portion of energy of mandrel movement, so as to play cushioning effect to the double swerve of train.
In one embodiment, gasket is engaged with housing compression type.It is very tight that this allows for housing, seal assembly and mandrel It is thickly combined together, in this way in train driving, the second rubber physical efficiency gives full play to its cushioning effect.
In one embodiment, gasket is in the axially external of seal assembly, and there are first between gasket and mandrel Allow bit space.Bit space is allowed by forming first, and during track train curve travels, gasket can be in the opposite of housing and mandrel It moves and (is allowed in bit space that is, entering first) towards mandrel movement under the extruding force radially inwards brought, this is more helped In wheel is made smoothly to turn to and reduces wheel and the abrasion of track.
In another embodiment, the top of support ring is spaced apart with housing allows bit space to form second.It is in this way, in-orbit During road train curve traveling, rigid support ring will not stop the relative motion between housing and mandrel, outer so as to contribute to Set is swimmingly moved relative to mandrel, so as to which wheel be made smoothly to turn to and reduce the abrasion of wheel and track.
In one embodiment, two axial end portions of the first rubber bodies are formed as annular groove respectively, in each annular groove Axial ligand is configured with to the interior axial end portion for deviateing sap cavity, seal assembly is contacted with ligand and sleeve seal so that Two auxiliary sap cavities that annular groove formation connects respectively with two sap cavities.Sap cavity is assisted by formation, is increased in hydraulic bushing Liquid amount, so as to increase the relative motion adjustable range between the housing and mandrel to hydraulic bushing, and then further Reduce the abrasion in train curve wheel and track when driving.
In a preferred embodiment, at the axial first end of the first rubber bodies, runner is auxiliary with the first sap cavity Liquid-aid cavity connects；At the axial the second end of the first rubber bodies, runner is connected with the auxiliary sap cavity of the second sap cavity.
Track train according to the second aspect of the invention, including according to hydraulic bushing described above, hydraulic bushing Mandrel be connected with the bogie of track train, the housing of hydraulic bushing is connected with the registration arm of the wheel of track train, two Sap cavity is set with front and rear mode.By installing the hydraulic bushing of the present invention on track train, not only so that in train curve row During sailing, wheel can swimmingly turn to the abrasion so as to reduce wheel and track, and be carried during train is kept straight on for train For larger rigidity so that train keeps stable operation.
Compared with prior art, the advantage of the invention is that：The hydraulic bushing of the present invention is configured with the first rubber bodies, sap cavity And runner.In train curve when driving, sap cavity and runner be not only able to wheel is enable swimmingly to turn to so as to reduce wheel and The abrasion of track, and larger rigidity is provided for train during train is kept straight on so that train keeps stable operation.
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 schematically shows installation site of the hydraulic bushing of one embodiment of the present of invention in track train；
Fig. 2 is showing the stereogram of hydraulic bushing according to an embodiment of the invention；
Fig. 3 is the A-A sectional views of Fig. 2；
Fig. 4 is the B-B sectional views of Fig. 2；
Fig. 5 is the C-C sectional views of Fig. 2；
Fig. 6 is showing the stereogram of the hydraulic bushing shown in Fig. 2 for eliminating housing and seal assembly；
Fig. 7 is the left view of Fig. 6；
Fig. 8 is the F-F sectional views of Fig. 7；
Fig. 9 is showing the stereogram of the mandrel of hydraulic bushing shown in Fig. 2；
Figure 10 is showing the front view of the sleeve of hydraulic bushing shown in Fig. 2；
Figure 11 is showing the axial sectional view of sleeve shown in Fig. 10；
Figure 12 is showing the stereogram of the housing of hydraulic bushing shown in Fig. 2；
Figure 13 is showing the stereogram of the seal assembly of hydraulic bushing shown in Fig. 2；
Figure 14 is the D-D sectional views of Figure 13；
Figure 15 is the E-E sectional views of Figure 13；
Figure 16 is showing the knot of the hydraulic bushing (eliminating seal assembly and housing) of an alternative embodiment of the invention Composition；
Figure 17 schematically shows another embodiment of sap cavity；
Figure 18 schematically shows sap cavity still further embodiment；And
Figure 19 is the explosive view for the structure for schematically showing the hydraulic bushing shown in Figure 16.
In the accompanying drawings, identical component uses identical reference numeral.Attached drawing is not according to practical ratio.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings.
Fig. 1 schematically shows the installation position in track train of hydraulic bushing 1 according to an embodiment of the invention Put 100.As shown in Figure 1, track train includes bogie 11 and wheel 12.Wheel 12 includes registration arm 13.Hydraulic bushing 1 is same When be connected with bogie 11 and wheel 12.Specific connection mode sees below description.During track train is kept straight on, hydraulic bushing 1 With larger rigidity, train to be contributed to steadily to move ahead；Track train curve travel during, hydraulic bushing 1 have compared with Big flexibility, wheel 12 to be contributed to swimmingly to turn to, so as to mitigate the abrasion of wheel 12 and track.
Fig. 2,3,4 and 5 show one embodiment of hydraulic bushing 1.As shown in Figure 2-5, hydraulic bushing 1 includes mandrel 20th, it is set in the sleeve 47 in 20 outside of mandrel and compresses the housing 22 for being set in 47 outside of sleeve.The both ends of mandrel 20 and steering Frame 11 is connected, and housing 22 is connected with registration arm 13, and this connection mode is well-known to those having ordinary skill in the art, is no longer gone to live in the household of one's in-laws on getting married here It states.
The first rubber bodies 40 are filled in gap between mandrel 20 and sleeve 47.The radial direction phase in the first rubber bodies 40 It is configured with two sap cavities 41 for accommodating liquid over the ground.Fluted 42 are constructed on the outer surface of sleeve 47.On housing 22 It is configured with the liquid injection hole 29 connected with groove 42.In the assembled state, groove 42 is defined together with housing 22 for liquid flow Dynamic runner, and the both ends of the runner 42 connect respectively with two sap cavities 41, so that liquid can come in two sap cavities 41 Reflux is dynamic.
During track train curve travels, the athletic meeting of wheel 12 drives mandrel 20 and housing 22 that relative motion occurs, At this point, the sap cavity 411 in front can be extruded, the sap cavity 412 in rear can be expanded.In this way, the liquid meeting in sap cavity 411 It is flowed into sap cavity 412 through runner 42, so that hydraulic bushing 1 complies with the steering of wheel 12.Turn with rubber of the prior art Arm is compared, and the hydraulic bushing 1 of this structure has larger flexibility, so as to reduce the abrasion of wheel 12 and track.In track column Between the vehicle fast direct departure date, the liquid in sap cavity 41 and runner 42 almost remains stationary as, this causes, the rigidity of hydraulic bushing 1 is with showing There is the rubber pivoted arm in technology compared to no significant change, so as to which train be made to keep stable operation.
Hydraulic bushing 1 can be produced by following mode：Mandrel 20, sleeve 47 are arranged in appropriate mold, then Inject the first rubber bodies 40 of liquid.After 40 cooled and solidified of the first rubber bodies of liquid, demoulding is formed shown in fig. 6 The state of hydraulic bushing 1.Then, then by housing 22 it is fitted on sleeve 47.Sap cavity 41 is formed by means of mold, in this way, The shape and size of sap cavity 41 can be arbitrarily adjusted as needed.Sap cavity 41 is formed in the first rubber bodies 40, i.e. its bottom wall 50 It is the first rubber bodies 40 with roof 51.
In one embodiment, sap cavity 41 is formed in a manner of axially penetrating through in the first rubber bodies 40, as shown in Figure 8. In this case, in order to form the sap cavity 41 of closing, it is mounted with sealing group respectively in the two end segments 91,92 of mandrel 20 Part 43.As shown in figure 4, two seal assemblies 43 have sealed the axial end portion 81 of sap cavity 41 respectively, material is thus formed closings Sap cavity 41.It should be understood that sap cavity 41 can also be formed in otherwise in the first rubber bodies 40.For example, as shown in figure 17, One axial end portion of sap cavity 41 is closed by the first rubber bodies 40, another axial end portion is closed by seal assembly 43.Also as schemed Shown in 18, sap cavity 41 is formed in the first rubber bodies 40 with completely enclosing formula.It should be understood that in the implementation shown in Figure 17 and 18 Example in, be still mounted with seal assembly 43 respectively in the two end segments of mandrel 20 91,92, with play as needed sealing and Supporting role.
In one embodiment, sap cavity 41 extends on circumferentially.The width W1 at the middle part 53 of sap cavity 41 is less than edge 54 Width W2.In this way, when housing 22 and 20 relative motion of mandrel to extreme position (that is, the bottom wall 50 of sap cavity 41 connects with roof 51 Touch) when, still with the presence of liquid at the edge of sap cavity 41 54.The extreme position is left in housing 22 and 20 relative motion of mandrel Afterwards, the fast quick-recovery of the meeting of sap cavity 41, prevents hydraulic bushing 1 to be destroyed.
In a preferred embodiment, two circumferential edges 54 of sap cavity 41 are respectively formed as the storage expanded radially inwards Liquid chamber, 53 part of middle part between two marginal portions 54 form communication chamber.According to this structure, even if 53 quilt of communication chamber It squeezes and completely disappears, still have liquid in fluid reservoir 54, so as to which sap cavity 41 can fast quick-recovery.In addition, fluid reservoir 54 is radially (as shown in Figure 5) is expanded inwards, sap cavity 41 can be configured to apart from sleeve 47 closer in this way when track train negotiation of bends in this way When, the cushioning effect of the first rubber bodies 40 is there's almost no between sap cavity 41 and housing 22.In this way, the pressure pair in sap cavity 41 The response of 20 relative motion of housing 22 and mandrel is sensitiveer, so as to which hydraulic bushing 1 be enable more delicately to comply with turning for wheel 12 To and reduce the abrasion of wheel 12 and track.
Mandrel 20 is preformed member, and Fig. 9 shows the first embodiment of mandrel 20, is the form of Step Shaft.Such as Fig. 9 institutes Show, mandrel 20 includes middle part 90 and two end segments 91,92, and the diameter of middle part 90 is more than the diameter of end segments 91,92.It is excellent Selection of land, the diameter of end segments 91,92 are equal.First rubber bodies 40 are formed on middle part 90.Preferably, sleeve 47 and housing 22 The axial length of axial length and middle part 90 match.
In one embodiment, the middle part 90 of mandrel 20 has the curved surfaces 93 projected radially outward, such as Fig. 3,4 and Shown in 9.In one embodiment, the radius of the central area 96 of curved surfaces 93 be 40mm, the fringe region of curved surfaces 93 97 radius is 39mm.It it should be understood that can be according to requiring to construct the curved surfaces 93 with other radiuses.On the whole It sees, the wooden barrel shape that middle part 90 is substantially heaved outward in middle part.Curved surfaces 93 can prevent from generating stress collection on mandrel 20 In, so as to which hydraulic bushing 1 be prevented to be destroyed.In addition, curved surfaces 93 also contribute to realize the middle part of sap cavity 41 described above Width at 53 is less than the width at edge 54.
Sleeve 47 is generally cylindrical prefabricated component.Figure 10 shows one embodiment of sleeve 47.As shown in FIG. 10 and 11, Can groove 42 be pre-formed by mach mode on the outer surface of sleeve 47, in this way, can arbitrarily adjust as needed recessed The length and shape of slot 42.
Housing 22 is generally cylindrical prefabricated component, and Figure 12 shows one embodiment of housing 22.As indicated in figs. 2 and 12, Housing 22 includes the flange 1202 radially inwards of main body 1201 and two axial end portions.Flange 1202 compresses in the axial direction Seal assembly 43, seal assembly 43 to be kept to seal the end 81 of sap cavity 41.It, can first will be with straight when installing housing 22 Housing 22 is installed on sleeve 47 by cartridge form, then forms flange 1202 by flanger.Flanger is the technology of this field Known to personnel, which is not described herein again.
Seal assembly 43 can be the component being prepared separately, and Figure 13 shows an example of seal assembly 43.It is specific next It says, as shown in FIG. 14 and 15, seal assembly 43 includes rigid support ring 1400 and rigid gasket 1401,1400 He of support ring Gasket 1401 is linked together by the second rubber bodies 1402.In hydraulic bushing 1, seal assembly 43 by support ring 1400 with The step 94 of mandrel 20 is contacted and is positioned, and gasket 1401 is engaged with 22 compression type of housing, the inner surface 1403 of seal assembly 43 (by Second rubber bodies 1402 are formed) with the axial end portion of the sleeve 47 and axial end portion 27 of the first rubber bodies 40 is sealed contacts, To seal the axial end portion 81 of sap cavity 41.It is close in order to make inner surface 1403 and the axial end portion of sleeve 47 preferably in sealing contact Sealing assembly 43 further includes the second gasket 1404, and the second gasket 1404 compresses housing 22 and in the axial direction clamp sleeve radially 47 axial end portion.
Second rubber bodies 1402 are used to implement the radial direction of the housing 22 that occurs when driving in train curve relative to mandrel 20 Movement.For example, in train curve when driving, due to being the second rubber bodies of elasticity between gasket 1401 and support ring 1400 1402, therefore gasket 1401 can be pushed and be moved radially inwards, so as to fulfill the relative motion of housing 22 and mandrel 20, and be made Sap cavity 41 deforms.It should be understood that in the case of with the second gasket 1404, the second gasket 1404 can equally be pushed radially It moves inwards.
In one embodiment, the top 1406 of support ring 1400 is spaced apart with housing 22 allows bit space to form second 201 (as shown in Figure 4).There are the first resignings between the axially external gasket 1401 in seal assembly 43 and mandrel 20 Space 1405 (as shown in figure 15).It is highly preferred that first allows bit space 1405 to face sap cavity 41.The phase is travelled in train curve Between, second allows the relative motion that bit space 201 can prevent support ring 1400 from interfering housing 22 and mandrel 20；First allows bit space 1405 are more advantageous to gasket 1401 moves radially inwards.
Back to Fig. 6, two axial end portions 27 of the first rubber bodies 40 are respectively formed as annular groove 23.In each annular groove In 23 axial ligand 24 is configured with to deviate 81 ground of axial end portion of sap cavity 41.Again as shown in figure 13, seal assembly 43 has There is the seal 1300 to match with ligand 24.After seal assembly 43 is assembled on mandrel 20, seal 1300 with Ligand 24 is in sealing contact, and annular groove 23 thus is divided into two auxiliary sap cavities 28.Two auxiliary sap cavities 28 are respectively with two A sap cavity 41 connects.This structure brings following advantageous effect：Auxiliary sap cavity 28 increases the liquid in hydraulic bushing 1 Amount, so as to increase the adjustable range of the relative motion between the housing 22 of hydraulic bushing 1 and mandrel 20, and then further subtracts The small abrasion that 1 period wheel 12 and track are travelled in train curve.In a preferred embodiment, ligand 24 be it is axial to In recess, seal 1300 is protrusion axially outward (as shown in Fig. 3 and 15).The insertion of ligand 24 and seal 1300 Formula cooperation helps to improve sealing effect.
Back to Fig. 2, installation instruction block 200 is configured on the outer surface of seal assembly 43, with ensure will be with sealing The hydraulic bushing 1 of component 43 is properly mounted on train.
The structure of groove 42 (that is, runner 42) and sap cavity 41 can be constructed according to actual requirement, by the mechanics of hydraulic bushing 1 Straight trip and negotiation of bends of the property adjustments to adaptation track train.For example, the length of groove 42 is 1 meter to 4 meters.The horizontal stroke of groove 42 Rectangular cross-section, cross-sectional area is in 4mm2To 25mm2Between.The equivalent piston area of sap cavity 41 is in 1000mm2To 10000mm2 Between.Mandrel 20, housing 22, support ring 1400 and gasket 1401 are all steel part or other kinds of rigid metal product. Sleeve 47 is made of nylon -66.
In a specific embodiment, hydraulic bushing 1 can be configured to：Runner 42 be spiral shape, the length of 3418mm. The cross section of runner 42 is square, and the length of side is 3mm (area 9mm2).The equivalent piston area of sap cavity 41 is 7383mm2。 In another specific embodiment, hydraulic bushing 1 can be configured to：Runner 42 be spiral shape, the length of 3300mm.Runner 42 Cross section for rectangle, the length of 3mm, width is 2.5mm (area 7.5mm2).The equivalent piston area of sap cavity 41 is 7428mm2。
Figure 16 shows the second embodiment of hydraulic bushing 1.As shown in figure 16, in a second embodiment, mandrel 1600 wraps It includes and with can be removably mounted is mounted on middle part 1602 with two end segments 1604 and the columnar body of middle part 1,602 1601 Annular solid 1603.Annular solid 1603 has the surface 1800 projected radially outward of arc.In this way, it is installed by annular solid 1603 After on to mandrel 1600, annular solid 1603 and the shape of the middle part 90 of mandrel 20 shown in Fig. 2 and effect almost phase Together.In one embodiment, columnar body 1601 can be cylinder, or Step Shaft.For example, middle part 1602 is straight Diameter is more than the diameter of two end segments 1604, is easily installed seal assembly 43 in this way.
It sees on the whole, the second embodiment of hydraulic bushing 1 and the structure of first embodiment are essentially identical, the difference of the two It is：In a second embodiment, the annular solid 1603 of mandrel 1600 and columnar body 1601 are two components independently manufactured, i.e., Mandrel 1600 includes two components independently manufactured.However, in the first embodiment, mandrel 20 is one complete whole.Liquid The following advantageous effect that the second embodiment of pressure bushing 1 is brought：In the production process of hydraulic bushing 1, can first by sleeve 47, First rubber bodies 40 and annular solid 1603 fit together to form assembly 1700 (as shown in figure 19), then again by assembly 1700th, housing 22, seal assembly 43 (if any) and columnar body 1601 are assembled together to form hydraulic bushing 1.This Sample, according to the second embodiment of hydraulic bushing 1, it is only necessary to the smaller annular solid 1603 of operational size (such as its length only exists Between 50mm to 100mm) assembly 1700 is produced, then assembly 1700 is simply installed to columnar body 1601 again On, without operating columnar body 1601 (or mandrel 20) always.It is just reduced according to the second embodiment of hydraulic bushing 1 as a result, The production difficulty of hydraulic bushing 1 and reduce producing cost.
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. hydraulic bushing, including：
Mandrel,
The sleeve being set on the outside of the mandrel is filled with the first rubber in the gap between the mandrel and the sleeve Body, constructed on the outer surface of the sleeve it is fluted and
Housing, compression are set on the outside of the sleeve,
Diametrically opposite be configured with two sap cavities for accommodating liquid in first rubber bodies, the groove with it is described outer Set surrounds runner, and described two sap cavities are connected by the runner.
2. hydraulic bushing according to claim 1, which is characterized in that the sap cavity is circumferentially.
3. hydraulic bushing according to claim 2, which is characterized in that two circumferential edges of the sap cavity are each formed as The fluid reservoir expanded radially inwards, the middle part between described two circumferential edges form communication chamber.
4. the hydraulic bushing according to Claims 2 or 3, which is characterized in that the width at the middle part of the sap cavity is less than edge Partial width.
5. hydraulic bushing according to any one of claims 1 to 4, which is characterized in that the sap cavity axially penetrates through landform Into in first rubber bodies,
Be arranged with seal assembly respectively in the both sides of the sleeve on the mandrel, described two seal assemblies respectively with it is described Sleeve and the corresponding axial end portion of first rubber bodies are in sealing contact.
6. hydraulic bushing according to claim 5, which is characterized in that the seal assembly is including rigid support ring and just The gasket of property, the support ring and gasket are linked together by the second rubber bodies.
7. hydraulic bushing according to claim 6, which is characterized in that the gasket is engaged with the housing compression type.
8. the hydraulic bushing described according to claim 6 or 7, which is characterized in that the gasket is in the axis of the seal assembly Outward, between the gasket and mandrel bit space is allowed there are first.
9. the hydraulic bushing according to any one of claim 6 to 8, which is characterized in that the top of the support ring and institute It states housing and is spaced apart and allow bit space to form second.
10. a kind of track train, including the hydraulic bushing according to any one of claim 1 to 9, the hydraulic bushing Mandrel be connected with the bogie of the track train, the positioning of the wheel of the housing of the hydraulic bushing and the track train Arm is connected, and described two sap cavities are set with front and rear mode.
CN201611206570.1A 2016-12-02 2016-12-23 Hydraulic bushing and rail train Active CN108150598B (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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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
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CN108150597A (en) * 2016-12-02 2018-06-12 株洲时代新材料科技股份有限公司 Hydraulic bushing and track train
CN108150535A (en) * 2016-12-02 2018-06-12 株洲时代新材料科技股份有限公司 Hydraulic bushing and track train
CN108150536A (en) * 2016-12-02 2018-06-12 株洲时代新材料科技股份有限公司 Hydraulic bushing and track train
CN108150585A (en) * 2016-12-02 2018-06-12 株洲时代新材料科技股份有限公司 Hydraulic bushing and track train

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108150597A (en) * 2016-12-02 2018-06-12 株洲时代新材料科技股份有限公司 Hydraulic bushing and track train
US10563722B2 (en) 2016-12-02 2020-02-18 Zhuzhou Times New Material Technology Co., Ltd. Hydraulic bushing

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CN108150588A (en) 2018-06-12
CN108150591B (en) 2020-07-14
CN108150535B (en) 2020-06-26
CN108150589A (en) 2018-06-12
CN108150596B (en) 2020-09-22
CN108150593A (en) 2018-06-12
CN108150592B (en) 2020-05-08
CN108150598B (en) 2020-05-12
CN108150597A (en) 2018-06-12
CN108150592A (en) 2018-06-12
CN108150595B (en) 2020-05-12
CN108150585A (en) 2018-06-12
CN108150590A (en) 2018-06-12
CN108150536A (en) 2018-06-12
CN206555347U (en) 2017-10-13
CN108150594A (en) 2018-06-12
CN206361076U (en) 2017-07-28
CN108150596A (en) 2018-06-12
CN108150595A (en) 2018-06-12
CN108150591A (en) 2018-06-12
CN108150587A (en) 2018-06-12
CN108150593B (en) 2020-07-07
CN108150535A (en) 2018-06-12
CN108150597B (en) 2020-05-12
CN108150589B (en) 2020-07-14
CN108150536B (en) 2020-06-26
CN206555348U (en) 2017-10-13

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