CN108343703A - A kind of rigidity adjuster and hydraulic bushing for hydraulic bushing - Google Patents
A kind of rigidity adjuster and hydraulic bushing for hydraulic bushing Download PDFInfo
- Publication number
- CN108343703A CN108343703A CN201710049942.2A CN201710049942A CN108343703A CN 108343703 A CN108343703 A CN 108343703A CN 201710049942 A CN201710049942 A CN 201710049942A CN 108343703 A CN108343703 A CN 108343703A
- Authority
- CN
- China
- Prior art keywords
- mandrel
- rubber bodies
- gasket ring
- wall
- hydraulic bushing
- 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
Links
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
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/023—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using fluid means
- F16F15/0237—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using fluid means involving squeeze-film damping
-
- 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
- B61F5/26—Mounting or securing axle-boxes in vehicle or bogie underframes
Abstract
The present invention relates to a kind of rigidity adjusters and hydraulic bushing for hydraulic bushing, rigidity adjuster includes rigid support ring and the second rubber bodies being set on the outer wall of the support ring, the device is applied on hydraulic bushing, and the rigidity of hydraulic bushing is adjusted by changing the rigidity of device to realize.
Description
Technical field
The present invention relates to track train technical field, more particularly to a kind of rigidity adjuster for hydraulic bushing and
Hydraulic bushing.
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, to increase the operation cost of train.
Invention content
Some or all of regarding to the issue above, the present invention propose a kind of rigidity adjuster for hydraulic bushing and
Hydraulic bushing.After the rigidity adjuster of the present invention is applied on hydraulic bushing, hydraulic bushing can be greatly improved
Axial rigidity adjusts the purpose of the axial rigidity of hydraulic bushing to realize by changing the radial rigidity of rigidity adjuster.
According to an aspect of the present invention, a kind of rigidity adjuster for hydraulic bushing is provided, including：
The support ring of rigidity,
The second rubber bodies being set on the outer wall of support ring.
In one embodiment, on the direction from first end to second end, the sectional area of support ring gradually increases, and supports
The outer wall surface of ring is configured to the conical surface.
In one embodiment, the taper angle of support ring is configured to 5 to 15 degree.
In one embodiment, two glue peak potions are arranged in axially spaced-apart formula in the second rubber bodies, in two Jiao Fengbuchu
First gasket ring and second gasket ring coaxial with support ring is respectively set, the second gasket ring is located at the second end of the first gasket ring, in axial direction
On, clad type is provided with the second rubber bodies in the first end face of the first gasket ring and on peripheral surface.
In one embodiment, the first of radially protruding is arranged in second rubber bodies in the outside of the peripheral wall of the first gasket ring
Protrusion.
In one embodiment, spacer is set between the first gasket ring and the second gasket ring, and the end face of spacer is respectively with first
Gasket ring and the second gasket ring abut.
In one embodiment, notch is set on spacer so that spacer can be overlapped on the periphery wall of the second gasket ring.
In one embodiment, in the circumferential, spacer is split structure.
In one embodiment, spacer forms first receiving space with the glue peak potion in spacer both ends.
According to another aspect of the present invention, a kind of hydraulic bushing is provided, including：
Mandrel, mandrel have First terrace using the ladder by mandrel structure as interlude diameter more than both ends diameter
Axis,
The first rubber bodies being set on the outer wall of the interlude of mandrel, there are two compartments for setting in the first rubber bodies
Sap cavity,
The sleeve being set on the outer wall of the first rubber bodies, be arranged on the outer wall of sleeve it is fluted,
It is respectively sleeved at the above-mentioned device at the both ends of mandrel, the first end of device closes on the First terrace of mandrel,
It is set in the housing in the outside of sleeve and device, housing and sleeve are formed in groove for being connected to two sap cavities
Runner.
Compared with the prior art, the advantages of the present invention are as follows：The apparatus according to the invention can apply on hydraulic bushing (set
It is connected on the both ends of the mandrel of hydraulic bushing), smaller excellent of rigidity since its own has axial rigidity larger, and radially
Point so as to increase the axial rigidity of hydraulic bushing, and is realized and adjusts the rigid of hydraulic bushing by changing the rigidity of device
Degree.
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 axial first sectional view of hydraulic bushing according to an embodiment of the invention；
Fig. 2 schematically shows axial second sectional view of hydraulic bushing according to an embodiment of the invention；
Fig. 3 schematically shows the radial cutaway view of hydraulic bushing according to an embodiment of the invention；
Fig. 4 schematically shows the left view of the main spring of hydraulic bushing according to an embodiment of the invention；
Fig. 5 is the A-A sectional views from Fig. 4；
Fig. 6 is the B-B sectional views from Fig. 4；
Fig. 7 shows the rigidity adjuster for schematically showing hydraulic bushing according to an embodiment of the invention
Left view；
Fig. 8 shows the rigidity adjuster for schematically showing hydraulic bushing according to an embodiment of the invention
Right view；
Fig. 9 is the C-C sectional views from Fig. 8；
Figure 10 is the D-D sectional views from Fig. 8；
Figure 11 schematically shows the front view of the sleeve of hydraulic bushing according to an embodiment of the invention；
Figure 12 schematically shows the axial direction for not being pressed housing of hydraulic bushing according to an embodiment of the invention
Sectional view；
In the accompanying drawings, identical component uses identical reference numeral.Attached drawing is not according to actual ratio.
Specific implementation mode
The present invention will be further described with reference to the accompanying drawings.
As shown in Figs. 1-3, hydraulic bushing 1 includes the housing 200 of main spring 100 and tubular.As Figure 4-Figure 6, main spring 100 has
There are mandrel 101, the first rubber bodies 102 and sleeve 103.First rubber bodies 102 are set on the outer wall of mandrel 101.In the first rubber
Two sap cavities 104 are set on colloid 102.And the first rubber bodies 102 radially, two 104 relative type motor intervals of sap cavity point
Cloth.Sleeve 103 is set on the outer wall of the first rubber bodies 102.Meanwhile fluted 110 being arranged on the wall of sleeve 103.Wherein,
Main spring 100 is arranged in the inner cavity of housing 200, to which housing 200 forms first flow 105 with sleeve 103 at groove 110,
For being connected to two sap cavities 104.
When the hydraulic bushing 1 is mounted on track train, wherein the mandrel 101 of hydraulic bushing 1 turns with track train
It is connected to the framework of frame, and housing 200 is connect with the registration arm of wheel, simultaneously so that row of two sap cavities 104 in track train
Front and back on into direction to be oppositely arranged, it is, be reference with current of traffic, a sap cavity 104 is located at front, and another
It is located behind.In track train turning process, wheel occur turn to simultaneously drive registration arm to move, and actuate housing 200 relative to
Mandrel 101 moves, the steering for the bogie being then connected with mandrel 101 and the negotiation of bends of train.In the process so that
One sap cavity 104 of hydraulic bushing 1 becomes smaller because being squeezed, another sap cavity 104 is stretched and becomes larger, because by crowded
It presses and the liquid in the sap cavity 104 that becomes smaller can be flowed by first flow 105 in the sap cavity 104 that the by of being stretched become larger, with
Comply with the relative motion and steering of mandrel 101 and housing 200.To, during train curve travels, hydraulic pressure according to the present invention
The components such as the rubber pivoted arm of bushing 1 than in the prior art have the flexibility of bigger, so that wheel can be turned to more swimmingly, to
Reduce the abrasion of wheel and track.In track train straight-going state, the extruding force that sap cavity 104 is subject to is smaller, sap cavity 104 and
Liquid in one runner 105 hardly flows.This rubber pivoted arm etc. in making the rigidity of hydraulic bushing 1 compared with the existing technology
The rigidity of component does not have significant change, and train is enabled to keep stable operation.The hydraulic bushing 1 has well just as a result,
Regulating power is spent, meets track train and more stably keep straight on and excessively curved purpose more flexiblely.
In one embodiment, as shown in figure 5, mandrel 101 has First terrace 107, during mandrel 101 is configured to
Section diameter is more than the multi-diameter shaft of both ends diameter.The interlude in mandrel 101 is arranged in first rubber bodies 102.Preferably at one
Embodiment in, the interlude of mandrel 101 projects radially outward, protrude part contour line be arc-shaped.It is, mandrel
101 interlude is configured to drum type.First rubber bodies 102 are set on interlude.Also, the madial wall of the first rubber bodies 102
The interlude for adapting to drum type formula is connect with mandrel 101, and the contour line of the lateral wall of the first rubber bodies 102 is straight line on section
To be connect with 103 formula of sleeve.On the one hand by this set, 102 contact position of mandrel 101 and the first rubber bodies is avoided
Stress concentration improves the service life of hydraulic bushing 1.On the other hand, the amplitude of oscillation of the mandrel 101 relative to housing 200 is improved,
The deflection angle for increasing mandrel 101, to finally improve the excessively curved ability of track train flexibility.In addition, in the axial direction, such as
Shown in Fig. 5, the madial wall of the first rubber bodies 102 does not extend at First terrace 107.It is, the first rubber bodies 102 is interior
Side wall has a certain distance (such as 1.5 centimetres) apart from First terrace 107.This setup helps to lay second flow channel
118 (can hereinafter refer in detail).Meanwhile the mandrel between the madial wall and First terrace 107 of the first rubber bodies 102
Blasting treatment is done on 101 surface, to protect the surface of mandrel 101, to improve the service life of mandrel 101.
Since the interlude of mandrel 101 is configured to drum type structure, also, in the axial direction, between sap cavity 104 and mandrel 101
The first rubber bodies 102 thickness is substantially the same everywhere other than axial end portion.To, in the axial direction, 104 middle part of sap cavity
Width be less than both ends width.It can effectively avoid the problem that sap cavity 104 is easy tearing at axial both ends by this set, from
And improve the service life of hydraulic bushing 1.In addition, this setup also improves being quick on the draw for the liquid in sap cavity 104
Degree, to increase the ability that hydraulic bushing 1 assists train flexibility excessively curved.
As shown in figure 3, sap cavity 104 is along the circumferentially distributed of the first rubber bodies 102.It is, on radial section, liquid
Chamber 104 extends in arcuation.In addition, in sap cavity 104 radially adjacent to being respectively set at both ends so that the radial dimension of sap cavity 104 increases
Big liquid bath 106.Preferably, in radial direction, liquid bath 106 extends for inside female.It is, sap cavity 104 is radial at liquid bath 106
It is inwardly extended.When 101 corresponding housing 200 of mandrel moves, the madial wall diametrically of the sap cavity 104 at non-liquid bath 106 connects
It touches, plays the role of stop.Especially when overload, can mutually it be resisted by the madial wall of the sap cavity 104 at non-liquid bath 106
And 101 corresponding housing of mandrel, 200 transition shift is prevented, to ensure the safety in utilization of hydraulic bushing 1.Meanwhile sap cavity 104
Radial dimension at liquid bath 106 is larger, to form the larger bit space that allows, so that the close mandrel 101 of sap cavity 104
The madial wall of madial wall and close sleeve 103 is not easy to be torn, to improve the service life of hydraulic bushing 1.
In addition, on radial section, each section of sap cavity 104 smoothly transits, especially, structure at the circumferential both ends of sap cavity 104
It makes as circular shape.The problem of stress concentration that sap cavity 104 is effectively improved by this set, to further improve hydraulic pressure
The service life of bushing 1.
In one embodiment, mandrel 101, the first rubber bodies 102 and sleeve 103 are fixed together by vulcanization, with shape
At main spring 100, as illustrated in Figures 5 and 6.
According to another embodiment of the invention, mandrel 101 is it is so structured that split structure.For example, as shown in fig. 6,
Mandrel 101 includes first part 108 and second part 109.Wherein, first part 108 is configured to multi-diameter shaft.Second part 109
It is configured to tubular and is set on the outer wall of first part 108.It is simple in structure also, in order to easy to process, first part 108
Outside wall surface and the internal face of second part 109 be configured to cylindric face.And the outside wall surface of second part 109 can be according to not
With needs and be configured to cylindric face or arch arcuation face.It according to this structure, can in the production process of hydraulic bushing 1
To individually produce first part 108 and second part 109, then only by second part 109, the first rubber bodies 102 and sleeve 103
It fits together to form assembly, finally again assembles up assembly and first part 108 to form main spring 100.Due to core
The size of axis 101 is often larger (such as 84 millimeters of diameter, 226 millimeters of length), and cause the production of main spring 100 highly difficult and
Producing cost is high.However, according to the present embodiment, do not need to operate entire mandrel 101 when producing main spring 100, but only
It needs to operate second part 109 (for example, length is 70 millimeters), this greatly reduces production difficulty and reduces production expense
With.In addition, during processing main spring 100 by vulcanization, since mandrel 101 is split structure, therefore only to second part
109, the first rubber bodies 102 and sleeve 103 vulcanize, so as to effectively reduce vulcanization heating time, to save vulcanization
Processing cost.Simultaneously as the size for the mandrel 101 for needing to vulcanize is greatly reduced, so as to which the sulphur of main spring 100 is substantially improved
Change effect, improves the service life of hydraulic bushing 1.
Gap 111 is provided on the end face of sleeve 103, to be connected to groove 110, as indicated at 11.One end of gap 111
It is connected to groove 110, the other end is connected to sap cavity 104.Preferably, in the circumferential, two gap 111 differ 180 degree, this to set
Set the location and installation for facilitating sleeve 103 and sap cavity 104.Groove 110 is spirally arranged on the outer wall of sleeve 103.Pass through this
Kind setting can suitably increase the length of groove 110, and easily the length of first flow 105 is adjusted, to meet
Design requirement.
It is further preferred that the cross-sectional configuration of groove 110 is rectangular configuration, sectional dimension can be according to different needs
It is configured.It is this to have the advantages of simple structure and easy realization.For example, the section of groove 110 can be structured as square, and its section side
Length can be arranged between 2 millimeters to 5 millimeters.It should be noted that the cross sectional shape of groove 110 may be configured to other knots
Structure, for example, " V " shape, trapezoidal, " u "-shaped or semicircle etc..The length of groove 110 can be arranged between 2-5 meters.For example, first
The length of runner 105 is set as 3.4 meters.It should be noted that the length of groove 110 can be set as not according to actual needs
Same size.On the outer wall of sleeve 103, the helix angle of groove 110 can be 3 to 10 degree.
Again as shown in Figure 1, being arranged rigidity adjuster 300 respectively at the both ends of staged mandrel 101, first flow is realized
While the sealing of the fluid passages such as 105 and sap cavity 104, the rigidity of main spring 100 is adjusted.
In one embodiment, as is seen in figs 7-10, rigidity adjuster 300 has the support ring 301 and second of rigidity
Rubber bodies 302.Support ring 301 is substantially cylindrical in shape, the outer wall for being socketed in mandrel 101.In first end to the side of second end
(in Fig. 9 from left end on the direction of right end, after rigidity adjuster 300 is installed on main spring 100, first end is upwards
It is axial outer end that axial inner ends, which are second end), it is gradually increased tapered that support ring 301 is configured to sectional area.Second rubber bodies
302 are set in the outside of support ring 301.Specifically, the first end face of the second rubber bodies 302 and the axial end face of sleeve 103 and
The First terrace 107 of mandrel 101 contacts, to achieve the effect that axial seal first flow 105 and sap cavity 104.It is preferred that
The taper angle (it is, angle of the outer wall of support ring 301 and axial direction) on ground, support ring 301 is configured to 5 to 15 degree.Example
Such as, the taper angle of support ring 301 is 10 degree.
Preferably, each sap cavity 104 is axially perforative through-hole.Meanwhile hydraulic bushing 1 further include ligand component with
Two sap cavities 104 of sealed isolation on same end face.Ligand component has be arranged in the second rubber bodies 302 first to match
Zoarium 305 and the second ligand 112 (as seen from Figure 4) being arranged in the first rubber bodies 102.Second ligand 112 constructs
To be protruded above (by Fig. 2) from the end face of the first rubber bodies 102, meanwhile, there is indent on the second ligand 112 of protrusion
Accommodation space, male-female engagement is formed with the first ligand 305 for being protruded with arcuation, to increase sealing effect.
Liquid first flow 105 and sap cavity in hydraulic bushing 1 are not only realized by the way that rigidity adjuster 300 is arranged
104 sealing, and liquid is avoided to be connected on the sap cavity 104 in same axial end face, ensure that liquid is by first flow 105
It is passed in another sap cavity 104 from a sap cavity 104.In addition, the rigidity adjuster 300 increases the axis of hydraulic bushing 1
To rigidity, the matching of the multi-direction rigidity of hydraulic bushing 1 is realized, to meet the needs of client.To by adjusting rigidity tune
The radial rigidity of hydraulic bushing 1 and the ratio of axial rigidity can be adjusted flexibly in regulating device 300, to optimize hydraulic bushing 1
Performance.
On axial direction from inside to outside, the second rubber bodies 302 construct at least one rubber peak potion, with housing 200
Interference type coordinates.In a specific embodiment, two peak potions are formed in the second rubber bodies 302, both the first rubber peak potion 306
With the second rubber peak potion 308.Wherein, the first rubber peak potion 306 coordinates with 200 interference type of housing, to ensure for first flow
105 sealing effect prevents liquid from going out by the gap leakage between the second rubber bodies 302 and housing 200.In addition, due to
Support ring 301 is wedge structure, and during pushing support ring 301 axially inwards, the second rubber bodies 302 are radially closer to outer
Set 200, to reach better seal effect.
In the axial direction, the second rubber peak potion 308 be located at the first rubber peak potion 306 second end (outside in Fig. 1) and
It is arranged every formula.Also, first is formd between the first rubber peak potion 306 and the second rubber peak potion 308 and allows bit space 309.
During track train crosses bend, housing 200 is moved relative to mandrel 101, and the second rubber bodies 302 can be squeezed, and be led to
Crossing setting first allows bit space 309 to reduce the resistance of motion suffered by housing 200 so that housing 200 exists relative to mandrel 101
Movement is easier in certain amplitude, to improve the excessively curved ability of track train flexibility.
The first gasket ring 310 is arranged in half clad type at the first rubber peak potion 306.First gasket ring 310 is stiffening ring, and with
301 coaxial-type of support ring is arranged.Meanwhile in the axial direction, end face phase of first gasket ring 310 close to sleeve 103 and with sleeve 103
It is right.Radially, the first gasket ring 310 is close to housing 200.By be arranged the first gasket ring 310 ensure that the second rubber bodies 302 with it is outer
Set 200 and the contact of sleeve 103, further improve the sealability of rigidity adjuster 300.Preferably, in the first rubber
The first protrusion 311 projected radially outward is set in peak potion 306 at position corresponding with the first gasket ring 310, such as Fig. 9 institutes
Show.First protrusion 311 further increases the sealability of rigidity adjuster 300, and ensures sealing effect.
Housing 200 includes outer body 201 and extension 202, as shown in Figure 1.Wherein, outer body 201 is configured to cylinder
Shape, and be socketed on the outer wall of sleeve 103, and extension 202 is arranged in the axial both ends of outer body 201 and outer body
201 are fixedly connected, and are configured to circular and axially extend internally.Outer body 201 and extension 202 are integral type structure
Part, and contacted with rigidity adjuster 300 by press-loading process.Extension 202 defines the first rubber bodies 102, sleeve 103
With the axial position of the equal components of rigidity adjuster 300, it ensure that rigidity adjuster 300 and sleeve 103 are closely connected, to really
Sealing effect is protected.In addition, radially, the inner wall of extension 202 is apart from 301 certain distance of support ring (for example, 5 to 10 millis
Rice).In housing 200 relative in 101 motion process of mandrel, the distance between extension 202 and support ring 301 can avoid just
Property extension 202 be connected in rigid support ring 301, to ensure that the flexible ability for crossing bend of hydraulic bushing 1.
As shown in figure 12, in process of production, second step face 203 is set on housing 200 so that the two of housing 200
The internal diameter size of section is held to be more than the internal diameter size of interlude.It is, the wall thickness at 200 interlude of housing is more than at the section of both ends
Wall thickness.Extension 202 is formed at the section of both ends by press fitting.This set makes press fitting operation become easy.Preferably,
Two step surfaces 203 are configured to inclined-plane, can ensure the structural stability of hydraulic bushing 1 to avoid stress concentration by this set.
It is embedded in the second gasket ring 313 in the second rubber peak potion 308.Second gasket ring 313 is for stiffening ring and same with support ring 301
Axis is arranged.In the axial direction, the second gasket ring 313 and extension 202 are closely connected, to increase sealing effect.
Second protruding portion 315 is set on the axial inner ends face of the second rubber bodies 302, as shown in Figure 1.Second protruding portion
315 between the second rubber bodies 302 and the First terrace 107 of mandrel 101, to ensure the sealing of auxiliary sap cavity 114.
In addition, in the second rubber bodies 302, it is additionally provided with second and allows bit space 312, as shown in Figure 9.Second allows bit space
312 are arranged on the axial outer end face of the second rubber bodies 302, and are configured to the annular groove of indent.This second allow bit space 312 increase
The radial deformation capabilities for adding rigidity adjuster 300 which thereby enhance the excessively curved ability of flexibility of hydraulic bushing 1.
As shown in Figure 1, rigid spacer 314 is arranged between the first gasket ring 310 and the second gasket ring 313.Radially, every
The end face of set 314 is abutted with the first gasket ring 310, and other end is abutted with the second gasket ring 313.It is arranged on spacer 314 and lacks
Mouth 316, so that the other end of spacer 314 can be overlapped on the periphery wall of the second gasket ring 313.On the one hand, it is set by this
Setting can easily positioning spacer 314.On the other hand, during carrying out flanging formation extension 202, the second gasket ring 313
It by axially inwardly directed force, can be transferred force on the first gasket ring 310 by spacer 314, so that the second rubber bodies 302 exist
Clamp sleeve 103 in axial direction, improve sealing effect.
To facilitate installation, preferably, in the circumferential, spacer 314 is configured to split structure.For example, spacer 314 is two
A semi arch is spliced.In an assembling process, two semi-circular spacers 314 are respectively put into the first gasket ring 310 and second pad
Space between ring 313, recomposition full circle.It is with being readily appreciated that, at this point, first allows bit space 309 to be by the first gasket ring in fact
310, the second gasket ring 313, the second rubber bodies 302 and spacer 314 form.
As shown in Figure 1, second flow channel 118 is arranged on mandrel 101, for being connected to extraneous and sap cavity 104.It is specific at one
Embodiment in, second flow channel 118 have axial continuation and radially extending portion.Radially extending portion is by the first rubber bodies
Mandrel 101 between 102 madial wall and First terrace 107 is pierced by, to be connected to sap cavity 104.This setup structure letter
It is single, it is easy to accomplish.Plug 205 is set in the open end of axial continuation, to block second flow channel 118.
As shown in Figure 1, plug 205 includes sequentially connected end 206, linkage section 207, seal section 208 and cooperation section
209.End 206 is used to operate plug 205 during installation or removal.Linkage section 207, which is used to fix with second flow channel 118, to be connected
It connects, to limit the position of plug 205.For example, linkage section 207 is threadedly coupled with second flow channel 118.It is arranged on seal section 208
Sealing ring 210, to realize the sealing between plug 206 and second flow channel 118.Coordinate section 209 outer wall configuration be the conical surface with
118 cone match of second channel, to play sealing effect.In order to improve sealing effect, coordinate face angle (the cooperation section of section 209
209 outer wall is formed by angle) be more than second channel 118 cooperation section face angle.For example, the face angle of cooperation section 209
It is 58 degree, and the face angle of the cooperation section of second channel 118 is 57 degree.
The edge face structure of first rubber bodies 102 has circumferentially distributed annular groove 113, as shown in Figure 1.First rubber bodies
102, the second rubber bodies 302, sleeve 103, mandrel 101 and first coordinate 305 bodies to form auxiliary sap cavity at annular groove 113
114.The auxiliary sap cavity 114 setting among sap cavity 104 and first flow 105 and be both connected to, meanwhile, the auxiliary sap cavity
114 settings among sap cavity 104 and second flow channel 118 and be both connected to.On the one hand, which increases liquid
The liquid storage capacity for pressing bushing 1, improves the stiffness equivalent effect of hydraulic bushing 1.On the other hand, which increases
The safety in utilization of hydraulic bushing 1, even if for example, in the case where sap cavity 104 is blocked, liquid inside hydraulic bushing 1 according to
It can so flow.
Main spring 100 is arranged by way of press fitting in the inner cavity of housing 200.This mode can guarantee first flow 105
Sealing.According to the present invention, before not being pressed, the overall diameter of main spring 100 is 1.5-2.3 millimeters bigger than the interior diameter of housing 200.Example
Such as, the interior diameter design size of housing 200 isMillimeter, and the overall diameter of main spring 100 isMillimeter.Pass through this
Kind setting both can guarantee that main spring 100 was successfully pressed into housing 200, moreover it is possible to ensure close between main spring 100 and housing 200
Envelope.
In a preferred embodiment, sleeve 103 is made of metal material such as Q345E.This set makes groove
110 are easier to process, and reduce processing cost.
For the description of the present application, abstract and claims, it is noted that singulative " one ",
"the" etc. also includes plural form, unless expressly stated otherwise,.
Although by reference to preferred embodiment, invention has been described, the case where not departing from the scope of the present invention
Under, various improvement can be carried out to it and can replace component therein with equivalent.Especially, as long as there is no structures to rush
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 include all technical solutions fallen within the scope of the appended claims.
Claims (10)
1. a kind of rigidity adjuster for hydraulic bushing, which is characterized in that including：
The support ring of rigidity,
The second rubber bodies being set on the outer wall of the support ring.
2. the apparatus according to claim 1, which is characterized in that on the direction from first end to second end, the support ring
Sectional area gradually increase, and the outer wall surface of the support ring is configured to the conical surface.
3. the apparatus of claim 2, which is characterized in that the taper angle of the support ring is configured to 5 to 15 degree.
4. device according to claim 2 or 3, which is characterized in that axially spaced-apart formula is arranged in second rubber bodies
First gasket ring and second gasket ring coaxial with the support ring, institute are respectively set in two Jiao Fengbuchu for two glue peak potions
The second end that the second gasket ring is located at first gasket ring is stated, in the axial direction, in the first end face of first gasket ring and periphery
Clad type is provided with second rubber bodies on face.
5. device according to claim 4, which is characterized in that described second in the outside of the peripheral wall of first gasket ring
First protrusion of radially protruding is set in rubber bodies.
6. device according to claim 4 or 5, which is characterized in that between first gasket ring and second gasket ring
Spacer is set, and the end face of the spacer is abutted with first gasket ring and second gasket ring respectively.
7. device according to claim 6, which is characterized in that notch is arranged on the spacer so that the spacer can be taken
It is connected on the periphery wall of second gasket ring.
8. the device described according to claim 6 or 7, which is characterized in that in the circumferential, the spacer is split structure.
9. the device according to any one of claim 6 to 8, which is characterized in that the spacer be in the spacer two
The glue peak potion at end forms first receiving space.
10. a kind of hydraulic bushing, which is characterized in that including：
Mandrel, the mandrel have First terrace using the rank by the mandrel structure as interlude diameter more than both ends diameter
Terraced axis,
The first rubber bodies being set on the outer wall of the interlude of the mandrel, setting is there are two between in first rubber bodies
Every the sap cavity of formula,
The sleeve being set on the outer wall of first rubber bodies, be arranged on the outer wall of the sleeve it is fluted,
It is respectively sleeved at the device according to any one of claim 1 to 9 at the both ends of the mandrel, the of described device
The First terrace of the mandrel is closed in one end,
It is set in the housing in the outside of the sleeve and described device, the housing is formed in the groove with the sleeve and used
In the runner for being connected to two sap cavities.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710049942.2A CN108343703B (en) | 2017-01-23 | 2017-01-23 | Rigidity adjusting device for hydraulic bushing and hydraulic bushing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710049942.2A CN108343703B (en) | 2017-01-23 | 2017-01-23 | Rigidity adjusting device for hydraulic bushing and hydraulic bushing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108343703A true CN108343703A (en) | 2018-07-31 |
| CN108343703B CN108343703B (en) | 2020-09-22 |
Family
ID=62974459
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710049942.2A Active CN108343703B (en) | 2017-01-23 | 2017-01-23 | Rigidity adjusting device for hydraulic bushing and hydraulic bushing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108343703B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114810916A (en) * | 2022-04-26 | 2022-07-29 | 博戈橡胶塑料（株洲）有限公司 | Hydraulic bushing capable of adjusting static stiffness curve and assembling method thereof |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2078407U (en) * | 1990-12-14 | 1991-06-05 | 朴永春 | Cone wedge type pipe union |
| US7014178B2 (en) * | 2001-04-11 | 2006-03-21 | ZF Lemförder Metallwaren AG | Hydraulically damping bush bearing |
| CN2789733Y (en) * | 2005-05-01 | 2006-06-21 | 胡敏绍 | Water meter connector |
| US20070108677A1 (en) * | 2005-11-15 | 2007-05-17 | Huettner Toralf | Hydraulic bearing and process for manufacturing a hydraulic bearing |
| DE502004006354D1 (en) * | 2003-12-16 | 2008-04-10 | Zahnradfabrik Friedrichshafen | HYDRAULICALLY DAMPING BUSHING BEARING |
| US20090309314A1 (en) * | 2008-06-13 | 2009-12-17 | Carl Freudenberg Kg | Bushing |
| US20110188790A1 (en) * | 2008-07-18 | 2011-08-04 | Zf Friedrichshafen Ag | Hydraulically Damping Bushing Bearing |
| CN104736878A (en) * | 2012-07-31 | 2015-06-24 | 伯杰橡胶金属有限责任公司 | Hydraulically damping bush bearing |
| CN204644874U (en) * | 2015-03-24 | 2015-09-16 | 交通运输部公路科学研究所 | The effective location sealing device of ripple in a kind of concrete segment precast assembly |
-
2017
- 2017-01-23 CN CN201710049942.2A patent/CN108343703B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2078407U (en) * | 1990-12-14 | 1991-06-05 | 朴永春 | Cone wedge type pipe union |
| US7014178B2 (en) * | 2001-04-11 | 2006-03-21 | ZF Lemförder Metallwaren AG | Hydraulically damping bush bearing |
| DE502004006354D1 (en) * | 2003-12-16 | 2008-04-10 | Zahnradfabrik Friedrichshafen | HYDRAULICALLY DAMPING BUSHING BEARING |
| CN2789733Y (en) * | 2005-05-01 | 2006-06-21 | 胡敏绍 | Water meter connector |
| US20070108677A1 (en) * | 2005-11-15 | 2007-05-17 | Huettner Toralf | Hydraulic bearing and process for manufacturing a hydraulic bearing |
| US20090309314A1 (en) * | 2008-06-13 | 2009-12-17 | Carl Freudenberg Kg | Bushing |
| US20110188790A1 (en) * | 2008-07-18 | 2011-08-04 | Zf Friedrichshafen Ag | Hydraulically Damping Bushing Bearing |
| CN104736878A (en) * | 2012-07-31 | 2015-06-24 | 伯杰橡胶金属有限责任公司 | Hydraulically damping bush bearing |
| CN204644874U (en) * | 2015-03-24 | 2015-09-16 | 交通运输部公路科学研究所 | The effective location sealing device of ripple in a kind of concrete segment precast assembly |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114810916A (en) * | 2022-04-26 | 2022-07-29 | 博戈橡胶塑料（株洲）有限公司 | Hydraulic bushing capable of adjusting static stiffness curve and assembling method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108343703B (en) | 2020-09-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108343701A (en) | A kind of hydraulic bushing | |
| CN108343700A (en) | A kind of hydraulic bushing | |
| CN108150595A (en) | A kind of hydraulic bushing | |
| CN105164000A (en) | Steering gear | |
| CN100478203C (en) | Divided stabilizer featuring an optimized spring constant | |
| CN108343703A (en) | A kind of rigidity adjuster and hydraulic bushing for hydraulic bushing | |
| AU2008220976A1 (en) | Axle body | |
| JP2007246085A (en) | Strut tube made of flexibly rolled metal thin sheet | |
| US20220349447A1 (en) | Propeller shaft and production method therefor | |
| CN210510107U (en) | Inner sleeve for hydraulic bushing | |
| CN202641286U (en) | Lining for automobile | |
| CN106051130A (en) | Transmission mechanism cooling | |
| CN106103238A (en) | The steering spindle of motor vehicles | |
| CN206036492U (en) | Automobile -used PVC water pipe | |
| CN210265649U (en) | Flow passage body for hydraulic bushing | |
| CN219427875U (en) | Automobile lower cross arm inner bushing | |
| CN113864397B (en) | Rigidity design method of rubber joint and axle box pull rod rubber joint for locomotive | |
| CN212685709U (en) | Adjusting bolt and circulating ball hydraulic power steering gear | |
| US20220275847A1 (en) | Shock absorber | |
| KR20080078985A (en) | Steering apparatus having splined rack-bar and rack-bush | |
| KR101241519B1 (en) | Hydraulic Power Steering Apparatus for Vehicle | |
| CN206054513U (en) | Steering pump of automobile main shaft | |
| CN204437160U (en) | The airbag structure of vibration damper | |
| CN204437159U (en) | Automotive airbag vibration damper | |
| KR100569467B1 (en) | Separatable rack bar and piston part |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20200608 Address after: 412007 No.301, physical and chemical building, Liyu Industrial Park, no.639, Heilongjiang Road, Tianyuan District, Zhuzhou City, Hunan Province Applicant after: Zhuzhou Times Ruiwei damping equipment Co., Ltd Address before: 412007 No. 18 Haitian Road, Tianyuan District, Hunan, Zhuzhou Applicant before: Zhuzhou Times New Material Technology Co.,Ltd. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |