CN107719402A - The stiffness tuning method and axle box guidance joint of axle box guidance joint - Google Patents
The stiffness tuning method and axle box guidance joint of axle box guidance joint Download PDFInfo
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- CN107719402A CN107719402A CN201711076520.0A CN201711076520A CN107719402A CN 107719402 A CN107719402 A CN 107719402A CN 201711076520 A CN201711076520 A CN 201711076520A CN 107719402 A CN107719402 A CN 107719402A
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- rubber layer
- mandrel
- axle box
- main body
- valve overcoat
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- 238000000034 method Methods 0.000 title claims abstract description 19
- 229920001971 elastomer Polymers 0.000 claims abstract description 115
- 238000004073 vulcanization Methods 0.000 claims description 16
- 230000015572 biosynthetic process Effects 0.000 claims 1
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 description 6
- 229920001195 polyisoprene Polymers 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 239000000725 suspension Substances 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000013016 damping Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 206010023230 Joint stiffness Diseases 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000012447 hatching Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
Classifications
-
- 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
- B61F5/30—Axle-boxes mounted for movement under spring control in vehicle or bogie underframes
- B61F5/305—Axle-boxes mounted for movement under spring control in vehicle or bogie underframes incorporating rubber springs
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Springs (AREA)
Abstract
The stiffness tuning method and axle box guidance joint of a kind of axle box guidance joint, axle box guidance joint is arranged to set provided with rubber layer, on the outside of rubber layer in the outside of mandrel and divides valve overcoat, dividing the structure of setting integral sleeve on the outside of valve overcoat, by adjust mandrel, rubber layer, divide each dimensional parameters of valve overcoat, integral sleeve adjust axle box guidance joint it is each to different-stiffness value, while axle box guidance joint intensity is ensured with meet the vehicle of different model to axle box guidance joint it is each to different-stiffness demand.Small journal axle specific stiffness matching can be achieved in the present invention, and Rigidity Matching relation is adjustable on a large scale, and the rigidity adjustable extent on axially and longitudinally is very big, can realize different rigidity requirements by adjusting the multiple values of structure.
Description
Technical field
The present invention relates to the stiffness tuning method and axle box guidance joint of a kind of axle box guidance joint, belong to rail vehicle portion
Part manufacturing technology field.
Background technology
Structure of axle box be on rail vehicle connect framework and wheel pair turning joint, its except transmit all directions power and
Vibrations are outer, and structure of axle box must also ensure wheel to can adapt to line conditions and relative to framework bob and left and right traversing.Axle
Case positioning, which is namely taken turns, by axle-box locating, makes axle box exist the mutual alignment between axle box and framework on positioning, i.e. constraint wheel
Position and move place on bogie limit within the specific limits, so as to correctly load transmission and be distributed to wheel pair；Make
Wheel is flexible to rotating, and bogie passes through curve；The horizontal swing of axle box is pind down, reduced using the stable inertia of car body.
Therefore, axle-box locating has conclusive work to the lateral dynamics performance of bogie, curving performance and suppression hunting
With the vertical and horizontal locating stiffness selection of axle-box positioning device is suitable, vehicle can be avoided to be crawled in operational speed range
Unstability is moved, with good steering capability when ensureing curve negotiating, mitigates the abrasion between wheel rim and rail and noise, it is ensured that fortune
Row is safe and steady.
When rail vehicle is passing through at a high speed bend, take turns to very big transverse load can be produced to rail, if axle box is determined
Position node radial rigidity is excessive, then train wheel can produce bigger transverse load to rail, meanwhile, rail also can be to wheel to production
Give birth to same big side-force reaction and wear wheel rim, bigger abrasion can be also produced to bearing.But when axle box guidance joint is indulged
To rigidity and axial rigidity it is too small if easily cause vehicle again and hunting occur, influence the safe operation of vehicle.
The positioning method of axle box typically has drawplate type, the positioning of stacked rubber spring, guide colume type, pivoted arm, rod-pulling type etc..
Pivoted arm is also known as elasticity hinge positioning, and one end of positioning arm and cylindrical shaft casing are affixed, the other end with caoutchouc elasticity node and
Mounting seat on framework is connected, and it allows axle box to have larger vertical deviation with respect to framework, but the rubber in node can carry
Supply the different horizontal and vertical locating stiffness of axle-box locating system, with adapt to that rail truck positions for a system longitudinal and transverse two
The requirement of the different flexibly positioned rigidity in individual direction.Which kind of method and structure to realize the axle box guidance joint horizontal and vertical with
Different demands on locating stiffness, it is to need to solve the problems, such as.
By being retrieved to domestic patent, discovery has Patents, is exemplified below：
1. number of patent application CN201120377309.4, entitled " a kind of elastic node device for locating axle box of railway rail car "
Utility model patent disclose a kind of elastic node device for locating axle box of railway rail car, including mandrel and axle sleeve, the core
Axle both ends are formed with unthreaded hole, and mandrel termination is formed with anti-porosity, and head eye bolt passes through unthreaded hole, and the anti-porosity and head are with holes
Locking device is provided between bolt, elastic device is provided between the mandrel and axle sleeve, the axle sleeve passes through key and pivoted arm axle
Case connects, and the mandrel both ends are equipped with buffer unit and compressed with end cap.Wherein elastic device is elastic caoutchouc set, buffering dress
Be set to rubber buffer, by change elastic caoutchouc cover size and hardness to obtain different longitudinal rigidity and vertical stiffness,
Different lateral stiffnesses is obtained by changing size and the hardness of rubber buffer.
2. number of patent application CN201110440779.5, the patent of invention of entitled " bogie for high-speed rail wagon " is public
A kind of bogie for high-speed rail wagon, including a framework are opened, the transverse ends of the framework pass through two single stage suspensions respectively
System each connects a wheel pair, and the framework is provided with secondary suspension system and brake rigging, the forward and backward side point of framework
She You not an anti-snakelike shock absorber.The present invention can realize speed 200km/h, axle weight 16.5t simultaneously；Speed 160km/h, axle weight
Two kinds of class requirements of 18t, there is simple in construction, versatile, dependable performance distinguishing feature.It is mentioned that by adjusting pivoted arm
The vertical, horizontal rigidity of elastic caoutchouc node can obtain bogie in the vertical, horizontal rigidity value required for high-speed cruising.
3. number of patent application CN200820072552.3, entitled " bogie primary-suspension duplex pull rod positioning device "
Utility model patent discloses a kind of bogie primary-suspension duplex pull rod positioning device, including axle box, journal box spring, its feature exist
In：It is in parallel between truck side sill end and axle box top to be formed provided with two upper connecting rods, under the positioning seat and axle box of truck side sill
It is provided with pull bar under Y shape between portion to form, the rubber nodal point that upper connecting rod composition includes upper connecting rod and its both ends is equipped with, lower pull bar composition
The band mandrel elastic panel nodes and transverse direction that taper Double-layer elastic node, the other end installed including lower pull bar, its Y shape openend are installed
Cushion and fastener.The utility model pull bar both ends use different rubber nodal points, there is provided the longitudinally, laterally rigidity of optimization,
To realize excellent traction and curving performance, train is set to obtain higher critical speed on straight line, on curve
With good steering capability, and mitigate the abrasion of wheel rim and rail.
Although above-mentioned patent 1 and patent 2 are all mentioned by rubber nodal point to change the locating stiffness of vertical and horizontal, all
Specific change method and structure is not disclosed.The size by changing elastic caoutchouc set and hardness are referred only in patent 1 to obtain
Longitudinal rigidity and vertical stiffness that must be different, it is firm to have obtained different transverse directions by changing size and the hardness of rubber buffer
Degree, but in the case of the structure of elastic caoutchouc set and rubber buffer is immovable, the change of size is very limited, and hardness
Change and limited again by material.Patent 3 using different rubber nodal points at pull bar both ends by providing optimization longitudinally, laterally
Rigidity so that complicated, installation and replacing are inconvenient.Therefore, above-mentioned patent all can not thoroughly solve current different model
The larger demand of the Longitudinal stiffness and transverse stiffness excursion different to axle box guidance joint with the rail vehicle of speed, still
Need to improve.
The content of the invention
The present invention, which is directed in current technology, can not thoroughly solve the rail vehicle of different model and speed to axle-box locating
Node is each larger to rigidity requirement scope the problem of, it is proposed that a kind of axle box guidance joint stiffness tuning method and axle-box locating
Node, while axle box guidance joint loading demands are ensured with meet different vehicle to axle box guidance joint respectively to rigidity not
Same demand.
The present invention is that technological means is used by solving the above problems：A kind of stiffness tuning side of axle box guidance joint
Method, axle box guidance joint is arranged to be provided with rubber layer in the outside of mandrel, is set on the outside of rubber layer and is divided valve overcoat, dividing valve
The structure of integral sleeve is set on the outside of overcoat, by adjust mandrel, rubber layer, divide each dimensional parameters of valve overcoat, integral sleeve come
Adjust axle box guidance joint it is each to different-stiffness value, to meet different model while axle box guidance joint intensity is ensured
Vehicle to axle box guidance joint it is each to different-stiffness demand.
Specifically, required to determine the dimensional parameters for dividing valve overcoat according to the mounting structure of axle box guidance joint, according to carrying
Demand determines each to rigidity of axle box guidance joint, according to the rigidity of determination and mandrel, rubber layer, divides valve overcoat and entirety outer
Matching constraint between set adjusts mandrel, rubber layer, divides valve overcoat, integral sleeve each dimensional parameters.
Further, mandrel is that I-shaped circular cylinder both ends have the mounting seat protruded along central shaft, I-shaped outside
The both ends in face and the joint face of intermediate recessed portions are inclined-plane；The dimensional parameters for adjusting mandrel adjust mandrel intermediate recessed portions
External diameter R1, adjust mandrel intermediate recessed portions length L1, adjustment mandrel both ends inclined-plane and sunk part lateral surface between
Angle A 1.
Further, rubber layer is hollow I-shaped structure, and the both ends of I-shaped lateral surface and middle inner concave
Between connected with inclined-plane one, connected between two end faces and hollow medial surface with inclined-plane two；Adjust the dimensional parameters of rubber layer
Adjust the thickness H1 of rubber at inner concave among rubber layer.
Further, valve overcoat is divided to be divided into polylith, two-by-two specification identical circle shell-like, including the main body positioned at outside
One and the main body two positioned at inner side, main body one is the cylinder of inner hollow, main body two for inner hollow, both ends have indent
The circular cylinder on inclined-plane, the outside of main body two and the inner side of main body one connect into an entirety；Adjustment divides the size of valve overcoat to join
Number i.e. adjustment divides the angle that the length L2 of valve outer body one, adjustment divide between the both ends inclined-plane of valve outer body two and medial surface
A2, adjustment divide the length L3 of the inner side of valve outer body two.
Further, integral sleeve is hollow cylinder, and the size for adjusting integral sleeve adjusts the thickness of integral sleeve
Spend H2, adjust the length L4 of integral sleeve.
A kind of axle box guidance joint, including mandrel, rubber layer, divide valve overcoat, integral sleeve, rubber layer is located at the outer of mandrel
Side, divides outside valve and is set in the outside of rubber layer, and integral sleeve is located at a point outside for valve overcoat；Wherein the structure of mandrel is I-shaped
Circular cylinder both ends have along central shaft protrude mounting seat, the structure of rubber layer is hollow I-shaped structure, rubber layer
The lateral surface of medial surface and mandrel coordinates；Divide valve overcoat to be divided into polylith, specification identical circle shell-like, including positioned at outer two-by-two
The main body one of side and the main body two positioned at inner side, the outside of main body two and the inner side of main body one connect into an entirety, divide outside valve
Cover the medial surface of main body two and the lateral surface of rubber layer coordinates；Integral sleeve is hollow cylinder, divides valve outer body one
Lateral surface and the medial surface of integral sleeve coordinate.
Further, the joint face of the both ends of the I-shaped lateral surface of mandrel and intermediate recessed portions is inclined-plane, rubber layer
Connected between both ends of the surface and hollow medial surface with inclined-plane two, the outer surface of the sunk part of mandrel and the medial surface sulphur of rubber layer
Change bonding, the inclined-plane of mandrel lateral surface is Nian Jie with the inclined-plane curing at rubber layer both ends.
Further, connected between the both ends of rubber layer lateral surface and inner concave with inclined-plane one, divide the valve outer body two to be
Inner hollow, both ends have indent inclined-plane circular cylinder, divide interior on the outside of the medial surface and rubber layer of valve outer body two
Inclined-plane one on the outside of inclined-plane and rubber layer of the concave surface with splitting or integrating valve outer body two coordinates.
Further, the angle A 1 between the inclined-plane of mandrel and the side of sunk part is oblique with dividing the both ends of valve outer body two
The relation of angle A 2 between face and medial surface is：A1≤A2.
Further, the pass between the length L1 of the side of the sunk part of mandrel and the length L2 for dividing valve outer body one
It is to be：L1>L2.
Further, divide the length L2 of valve outer body one, divide the length L3 and entirety of the medial surface of valve outer body two
Relation between the length L4 of overcoat is：L3<L2<L4.
Further, the symmetrical bonding by Vulcanization of a valve overcoat specification identical part is divided on the outside of rubber layer, in addition specification phase
A same part is symmetrical to be assembled on the outside of rubber layer, is with bonding by Vulcanization a part of adjacent.
Further, mandrel, rubber layer and divide valve overcoat formed integral press mounting in integral sleeve.
The beneficial effects of the invention are as follows：
1. axle box guidance joint is arranged to be provided with rubber layer in the outside of mandrel, is set on the outside of rubber layer and divide valve by the present invention
Overcoat, dividing the structure of setting integral sleeve on the outside of valve overcoat, can be by adjusting mandrel, rubber layer, dividing valve overcoat, overall outer
Put multiple dimensional parameters adjust axle box guidance joint it is each to different-stiffness value, such a structures and methods both can guarantee that axle
The load requirements of case positioning node, at the same can also meet the vehicle of different model to axle box guidance joint it is each to different-stiffness
Demand, expand the use range of product of the present invention.
2. small journal axle specific stiffness matching can be achieved in the present invention, and Rigidity Matching relation is adjustable on a large scale, axially and longitudinally
On rigidity adjustable extent it is very big, different rigidity requirements can be realized by adjusting multiple values of structure.
Brief description of the drawings
Fig. 1 is schematic side view of the present invention；
Fig. 2, along Figure 1A-A directions schematic cross-sectional view, is checked, the hatching of mandrel is not shown for convenience to be of the invention；
Fig. 3 is mandrel of the present invention, rubber layer, divides valve overcoat to vulcanize radially schematic cross-sectional view after partial vulcanization；
Fig. 4 is that the present invention divides valve overcoat partial schematic sectional view vertically；
Wherein：1. mandrel, 11. mounting seats, 2. rubber layers, 21. inclined-planes one, 22. inclined-planes two, 3. points of valve overcoats, 31. main bodys one,
32. main body two, 4. integral sleeves.
Embodiment
The present invention is further described below in conjunction with the accompanying drawings.Wherein the radial direction of axle box guidance joint is included along direction of traffic
Vertical and longitudinal, the axial direction of axle box guidance joint is the transverse direction along direction of traffic.
As Figure 1-Figure 4, the present invention relates to a kind of stiffness tuning method of axle box guidance joint, by axle-box locating section
Point is arranged to be provided with rubber layer 2 in the outside of mandrel 1, sets minute valve overcoat 3 in the outside of rubber layer 2, set in the outside of minute valve overcoat 3
The structure of integral sleeve 4 is put, by adjusting mandrel 1, rubber layer 2, dividing valve overcoat 3,4 each dimensional parameters of integral sleeve come adjustment axis
Case positioning node longitudinal direction, axial direction different-stiffness value, to meet different model while axle box guidance joint intensity is ensured
Vehicle to axle box guidance joint it is each to different-stiffness demand.
Axle box guidance joint is arranged to the structure of more part compositions, can be existed in a wide range of interior adjustment axle box guidance joint
Respectively to rigidity, and each rigidity value can be adjusted in several ways.
When carrying out the design of product, required to determine the size for dividing valve overcoat 3 according to the mounting structure of axle box guidance joint
Parameter, according to the rigidity of the carrying demand of axle box guidance joint determination axially and radially, according to rigidity and mandrel 1, rubber layer
2nd, the matching constraint divided between valve overcoat 3 and integral sleeve 4 adjusts mandrel 1, rubber layer 2, divides valve overcoat 3,4 each chi of integral sleeve
Very little parameter.
The structure of wherein mandrel 1 is：There is the mounting seat 11 protruded along central shaft at I-shaped circular cylinder both ends, I-shaped
The both ends of lateral surface and the joint face of intermediate recessed portions are inclined-plane；The dimensional parameters for adjusting mandrel 1 adjust the middle concave of mandrel 1
Fall into part side external diameter R1, adjust the intermediate recessed portions of mandrel 1 side length L1, adjust mandrel 1 inclined-plane with it is recessed
The angle A 1 fallen between the side of part.
The radial direction and axle of axle box guidance joint can be adjusted by the external diameter R1 for the side for adjusting the intermediate recessed portions of mandrel 1
To ratio of rigidity, when external diameter become it is small when, the load that axle box guidance joint can diametrically be born also diminishes, and radial and axial is firm
Degree ratio diminishes；Conversely, when external diameter becomes big, the load that axle box guidance joint can diametrically be born also becomes big, radial and axial
Ratio of rigidity become big.
The length L1 of the side of the intermediate recessed portions of mandrel 1 and the relation of the radial and axial rigidity of axle box guidance joint
For：When L1 value is bigger, the lifting surface area that mandrel 1 can bear radial load is bigger, and its radial rigidity is also bigger, and now
The inclined-plane of mandrel 1 is smaller to the thickness between end face, and axial rigidity is also smaller；Conversely, when L1 value is smaller, mandrel 1 can be held
Lifting surface area by radial load is smaller, and its radial rigidity is also smaller, and now the inclined-plane of mandrel 1 to the thickness between end face is got over
Greatly, axial rigidity is also bigger.
Angle A 1 and the radial and axial rigidity of axle box guidance joint between the inclined-plane of mandrel 1 and the side of sunk part
Relation is：Summit is constant, and when A1 is bigger, the inclined-plane at the both ends of mandrel 1 is steeper, bigger close to the thickness at the lateral surface of both ends, energy
The axial load enough born is bigger, therefore the axial rigidity of axle box guidance joint is also big, and radial rigidity is small；Conversely, work as A1
More hour, the inclined-plane at mandrel both ends is more flat, smaller close to the thickness at the lateral surface of both ends, and the axial load that can be born is got over
It is small, therefore the axial rigidity of axle box guidance joint is also small, and radial rigidity is big.
Rubber layer 2 is hollow I-shaped structure, and with oblique between the inner concave of the both ends of I-shaped lateral surface and centre
Face 1 connects, and is connected between two end faces and hollow medial surface with inclined-plane 2 22；The dimensional parameters for adjusting rubber layer 2 are adjusted
The thickness H1 of rubber at whole 2 middle inner concave of rubber layer.
The thickness H1 of rubber and the relation of axle box guidance joint rigidity are at 2 middle inner concave of rubber layer：H1 is got over hour, axle
The damping effect of case positioning node diametrically weakens, and the radial load that can be born is bigger, therefore its radial rigidity is also got over
Greatly；When H1 is bigger, the damping effect of axle box guidance joint diametrically is strengthened, and the radial load that can be born is smaller, therefore
Its radial rigidity is also smaller.
Point valve overcoat 3 is is divided into polylith, two-by-two specification identical circle shell-like, including main body one positioned at outside and is located at
The main body two of inner side, main body one be inner hollow cylinder, main body two for inner hollow, both ends have indent inclined-plane circle
Shape cylinder, the outside of main body two and the inner side of main body one connect into an entirety；Adjustment divides the dimensional parameters of valve overcoat to adjust
Divide the length L2 of the main body one of valve overcoat 3, adjust the angle A 2 divided between the both ends inclined-plane of valve overcoat 3 and medial surface, adjust and divide outside valve
Cover the length L3 of the 3 hollow round inner sides of main body two.
The condition that the length L3 of the inner side of point 3 main body of valve overcoat two value need to meet in adjustment is：Work as axle box guidance joint
When bearing load, the contact surface that divides between valve overcoat 3 and rubber layer 2 must be sufficiently large so that load transmission is to rubber layer 2 and core
Some positions of rubber layer 2 and mandrel 1 will not be caused to overload during axle 1；When L3 is bigger, the radial rigidity of axle box guidance joint is got over
Greatly.
Divide the value of the length L2 of main body one in valve overcoat 3 should ensure that axle box guidance joint is transported as an entirety in vehicle
Steadiness during row, ensure the integral sleeve 4 when integral sleeve receives the load from vehicle again and divide between valve overcoat 3
Contact surface is sufficiently large so that load safe transmission, the both ends of integral sleeve 4 will not flexural deformation.
Integral sleeve 4 is hollow cylinder, and the size of adjustment integral sleeve 4 is to adjust the thickness H2 of integral sleeve 4, adjust
Whole integral sleeve length L4.
The thickness H2 of integral sleeve 4 damaged need to will not deform when more than 5mm is bearing load to ensure integral sleeve 4.
The length L4 of integral sleeve 4 should meet installation requirement of the axle box guidance joint on vehicle, also ensure to hold
The load received is effectively transferred to the miscellaneous part of axle box guidance joint, also to ensure axle box guidance joint in vehicle operation
In stability.
Mandrel 1, valve overcoat 2, integral sleeve 4 is divided to be that rigid material makes, the dimensional parameters according to mandrel 1 are mandrel 1
The external diameter R1 of the side of intermediate recessed portions, the length L1 of the side of the sunk part of mandrel 1, the inclined-plane and sunk part of mandrel 1
Side between angle A 1 and divide the length L3 of the medial surface of main body two in valve overcoat 3, divide the both ends inclined-plane of valve overcoat 3 and medial surface
Between angle A 2 and rubber layer 2 among in the thickness H1 of recess rubber be the shape and structure that rubber layer 2 is determined.
Mandrel 1, rubber layer 2, the size relationship that divides between valve overcoat 3 and integral sleeve 4 are：L1>L2, L3<L2<L4, A1
≤A2.Both ensured that axle box guidance joint can be smoothed out assembling, and ensured that there is higher stability after assembling is integral.
Embodiment one
As Figure 1-Figure 4, a kind of axle box guidance joint, including mandrel 1, rubber layer 2, divide valve overcoat 3 and integral sleeve 4, rubber
Glue-line 2 is located at the outside of mandrel 1, divides valve overcoat 3 to be located at the outside of rubber layer 2, and integral sleeve 4 is located at a point outside for valve overcoat 3；
Wherein the structure of mandrel 1 is that I-shaped circular cylinder both ends have the mounting seat 11 protruded along central shaft, and the structure of rubber layer 2 is
Hollow I-shaped structure, the medial surface of rubber layer 2 coordinate with the lateral surface of mandrel 1；Point valve overcoat 3 is is divided into polylith, two-by-two
Specification identical circle shell-like, including the main body 1 positioned at outside and the main body 2 32 positioned at inner side, the outside of main body 2 32
An entirety is connected into the inner side of main body 1, the medial surface and the lateral surface of rubber layer 2 for dividing the main body 2 32 of valve overcoat 3 are matched somebody with somebody
Close；Integral sleeve 4 is hollow cylinder, divides the lateral surface of the main body one of valve overcoat 3 to coordinate with the medial surface of integral sleeve 4.
The both ends of 1 I-shaped lateral surface of mandrel and the joint face of intermediate recessed portions are inclined-plane, the both ends of the surface of rubber layer 2 with
Connected between hollow medial surface with inclined-plane 2 22, the outer surface of the sunk part of mandrel 1 and the medial surface vulcanization of rubber layer are viscous
Connect, the inclined-plane of the lateral surface of mandrel 1 and the bonding by Vulcanization of inclined-plane 2 22 at the both ends of rubber layer 2.By the bonding by Vulcanization of rubber layer 2 in mandrel 1
Outside avoids axle box guidance joint from being installed to rubber when being run on vehicle to ensure the intensity connected between rubber layer 2 and mandrel 1
There is relative motion between layer 2 and mandrel 1, will not produce friction between the rubber layer 2 and mandrel 1 after vulcanization, ensure that axle box is determined
The service life of position node.
Connected between the both ends of the lateral surface of rubber layer 2 and inner concave with inclined-plane 1, divide the main body 2 32 of valve overcoat 3 for inside
There is the circular cylinder on the inclined-plane of indent at hollow, both ends, divide the interior of the medial surface of the main body 2 32 of valve overcoat 3 and the outside of rubber layer 2
The inclined-plane 1 on inclined-plane of the concave surface with the main body 2 32 of splitting or integrating valve overcoat 3 and the outside of rubber layer 2 coordinates.Valve overcoat 3 will be divided to be located at rubber
The female parts of glue-line 2, the bonding by Vulcanization of rubber layer 2 avoid the axle box in the running of vehicle from determining in the sunk part of mandrel 1
Moving axially relative, the stability of guarantee axle box guidance joint in use is produced between each part of node of position.
Between 2 each joint face of rubber layer and rubber layer 2 and mandrel 1 and divide valve overcoat 3 matching face between it is smoothed
Cross, fold or cracking are produced in junction when avoiding the rubber layer 2 from being squeezed.
Inclined-plane of the angle A 1 with dividing the both ends of 3 main body of valve overcoat 2 32 between the inclined-plane of mandrel 1 and the side of sunk part
The relation of angle A 2 between medial surface is：A1≤A2.
Relation between the length L1 of the side of the sunk part of mandrel 1 and the length L2 for dividing the main body one of valve overcoat 3 is：L1>
L2。
Divide the length L2 of the main body 1 of valve overcoat 3, divide the length L3 and integral sleeve of the medial surface of 3 main body of valve overcoat 2 32
Relation between 4 length L4 is：L3<L2<L4.
Divide the symmetrical bonding by Vulcanization of the specification identical of valve overcoat 3 part on the outside of rubber layer 2, in addition specification identical one
Divide and be symmetrically assembled on the outside of rubber layer 2, be with bonding by Vulcanization a part of adjacent.By the way that the partial vulcanization of valve overcoat 3 and part will be divided
Assembling, the part of vulcanization avoid rubber layer 2 and divided between valve overcoat 3 relative motion occur, ensure the stabilization of axle box guidance joint
With avoid rubbing；Assembled part provides bigger regulation space for rigidity axially and longitudinally.
Mandrel 1, rubber layer 2 and divide valve overcoat 3 formed integral press mounting in integral sleeve 4., will by integral sleeve 4
Mandrel 1, rubber layer 2, divide valve overcoat 3 and integral sleeve 4 to be constrained to an entirety, axle box guidance joint is met load need
Ask, and can plays cushioning effect, improves comfort when riding.
Specifically, the external diameter R1 of the side of 1 I-shaped intermediate recessed portions of mandrel is 50mm, the intermediate recessed portions of mandrel 1
The length L1 of side be 103.6mm, the angle A 1 between the both ends inclined-plane of mandrel 1 and the side of sunk part is 65o.Rubber layer
The thickness H1 of rubber is 17.5mm at 2 middle inner concaves.The length L2 for dividing the main body one of valve overcoat 3 is 105mm, is divided to 3 liang of valve overcoat
It is 65 to hold the angle A 2 between inclined-plane and medial surfaceo, the length L3 for dividing the medial surface of 3 main body of valve overcoat 2 32 is 91.5mm.It is overall
The thickness H2 of overcoat 4 is 6mm, and integral sleeve length L4 is 116mm.
As can be seen here, the invention has the advantages that：
1. axle box guidance joint is arranged to be provided with rubber layer in the outside of mandrel, is set on the outside of rubber layer and divide valve by the present invention
Overcoat, dividing the structure of setting integral sleeve on the outside of valve overcoat, can be by adjusting mandrel, rubber layer, dividing valve overcoat, overall outer
Put multiple dimensional parameters adjust axle box guidance joint it is each to different-stiffness value, such a structures and methods both can guarantee that axle
The load requirements of case positioning node, at the same can also meet the vehicle of different model to axle box guidance joint it is each to different-stiffness
Demand, expand the use range of product of the present invention.
2. small journal axle specific stiffness matching can be achieved in the present invention, and Rigidity Matching relation is adjustable on a large scale, axially and longitudinally
On rigidity adjustable extent it is very big, different rigidity requirements can be realized by adjusting multiple values of structure.
Above example is used for illustrative purposes only, rather than limitation of the present invention, the technology people about technical field
Member without departing from the spirit and scope of the present invention, can also make a variety of changes or convert, therefore all equivalent
Technical scheme should also belong to protection scope of the present invention, and protection scope of the present invention should be limited by each claim.
Claims (10)
1. a kind of stiffness tuning method of axle box guidance joint, it is characterised in that：Axle box guidance joint is arranged in mandrel（1）
Outside be provided with rubber layer（2）, in rubber layer（2）Outside, which is set, divides valve overcoat（3）, dividing valve overcoat（3）Outside sets overall
Overcoat（4）Structure, by adjusting mandrel（1）, rubber layer（2）, divide valve overcoat（3）, integral sleeve（4）Each dimensional parameters are adjusted
Save axle box guidance joint it is each to different-stiffness value, to meet different model while axle box guidance joint intensity is ensured
Vehicle to axle box guidance joint it is each to different-stiffness demand.
2. the stiffness tuning method of axle box guidance joint as claimed in claim 1, it is characterised in that：According to axle box guidance joint
Mounting structure require determination divide valve overcoat（3）Dimensional parameters, each to firm of axle box guidance joint is determined according to carrying demand
Degree, according to the rigidity and mandrel of determination（1）, rubber layer（2）, divide valve overcoat（3）And integral sleeve（4）Between matching constraint
Adjust mandrel（1）, rubber layer（2）, divide valve overcoat（3）, integral sleeve（4）Each dimensional parameters.
3. the stiffness tuning method of axle box guidance joint as claimed in claim 1 or 2, it is characterised in that：The mandrel（1）For
There is the mounting seat protruded along central shaft at I-shaped circular cylinder both ends（11）, both ends and the intermediate recess portion of I-shaped lateral surface
The joint face divided is inclined-plane；Adjust mandrel（1）Dimensional parameters be adjust mandrel intermediate recessed portions side external diameter R1, adjust
Whole mandrel（1）Intermediate recessed portions side length L1, adjustment mandrel（1）Inclined-plane and sunk part side between
Angle A 1.
4. the stiffness tuning method of axle box guidance joint as claimed in claim 1 or 2, it is characterised in that：The rubber layer（2）
For hollow I-shaped structure, and with inclined-plane one between the inner concave of the both ends of I-shaped lateral surface and centre（21）Connection, two
With inclined-plane two between individual end face and hollow medial surface（22）Connection；Adjust rubber layer（2）Dimensional parameters i.e. adjust rubber layer
The thickness H1 of rubber at middle inner concave.
5. the stiffness tuning method of axle box guidance joint as claimed in claim 1 or 2, it is characterised in that：Described point of valve overcoat
（3）To be divided into polylith, two-by-two specification identical circle shell-like, including the main body one positioned at outside（31）With the main body positioned at inner side
Two（32）, main body one（31）For the cylinder of inner hollow, main body two（32）For inner hollow, both ends have the inclined-plane of indent
Circular cylinder, main body two（32）Outside and main body one（31）Inner side connect into an entirety；Adjustment divides valve overcoat（3）Chi
Very little parameter is that adjustment divides valve overcoat（3）The length L2 of main body one, adjustment divide valve overcoat（3）The both ends inclined-plane of main body two and medial surface it
Between angle A 2, adjustment divide valve overcoat（3）The length L3 of the inner side of main body two.
6. the stiffness tuning method of axle box guidance joint as claimed in claim 1 or 2, it is characterised in that：The integral sleeve
（4）For hollow cylinder, integral sleeve is adjusted（4）Size i.e. adjust integral sleeve（4）Thickness H2, adjustment integral sleeve
（4）Length L4.
A kind of 7. axle box guidance joint for implementing claim 1 methods described, it is characterised in that：Including mandrel（1）, rubber layer
（2）, divide valve overcoat（3）And integral sleeve（4）, rubber layer（2）It is located at mandrel（1）Outside, divide valve overcoat（3）It is located at rubber layer
（2）Outside, integral sleeve（4）It is located at a point valve overcoat（3）Outside；Wherein mandrel（1）Structure be I-shaped circular columns
There is the mounting seat protruded along central shaft at body both ends（11）, rubber layer（2）Structure be hollow I-shaped structure, rubber layer（2）
Medial surface and mandrel（1）Lateral surface coordinate；Divide valve overcoat（3）To be divided into polylith, two-by-two specification identical circle shell-like, bag
Include the main body one positioned at outside（31）With the main body two positioned at inner side（32）, main body two（32）Outside and main body one（31）It is interior
Side connects into an entirety, divides valve overcoat（3）Main body two（32）Medial surface and rubber layer（2）Lateral surface coordinate；It is overall outer
Set（4）For hollow cylinder, divide valve overcoat（3）The lateral surface and integral sleeve of main body one（4）Medial surface coordinate.
8. axle box guidance joint as claimed in claim 7, it is characterised in that：The mandrel（1）The both ends of I-shaped lateral surface
Joint face with intermediate recessed portions is inclined-plane, rubber layer（2）Both ends of the surface and hollow medial surface between with inclined-plane two（22）
Connection, mandrel（1）The outer surface of sunk part and the medial surface bonding by Vulcanization of rubber layer, mandrel（1）The inclined-plane of lateral surface with
Rubber layer（2）The inclined-plane two at both ends（22）Bonding by Vulcanization；
The rubber layer（2）With inclined-plane one between the both ends of lateral surface and inner concave（21）Connection, divides valve overcoat（3）Main body two
（32）For inner hollow, both ends have indent inclined-plane circular cylinder, divide valve overcoat（3）Main body two（32）Medial surface and rubber
Glue-line（2）The inner concave in outside matches somebody with somebody splitting or integrating valve overcoat（3）Main body two（32）Inclined-plane and rubber layer（2）The inclined-plane one in outside
（21）Coordinate.
9. axle box guidance joint as claimed in claim 8, it is characterised in that：Mandrel（1）Inclined-plane and sunk part side
Between angle A 1 and divide valve overcoat（3）Main body two（32）The relation of angle A 2 between the inclined-plane and medial surface at both ends is：A1
≤A2；
Mandrel（1）Sunk part side length L1 and divide valve overcoat（3）Main body one（31）Length L2 between relation
For：L1>L2；
Divide valve overcoat（3）Main body one（31）Length L2, divide valve overcoat（3）Main body two（32）The length L3 and entirety of medial surface
Overcoat（4）Length L4 between relation be：L3<L2<L4.
10. axle box guidance joint as claimed in claim 7, it is characterised in that：Described point of valve overcoat（3）Specification identical one
Divide symmetrical bonding by Vulcanization in rubber layer（2）Outside, specification identical is a part of in addition is symmetrically assembled in rubber layer（2）Outside, with
Bonding by Vulcanization it is a part of adjacent；Mandrel（1）, rubber layer（2）With divide valve overcoat（3）The integral press mounting of formation is in integral sleeve
（4）It is interior.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711076520.0A CN107719402A (en) | 2017-11-06 | 2017-11-06 | The stiffness tuning method and axle box guidance joint of axle box guidance joint |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711076520.0A CN107719402A (en) | 2017-11-06 | 2017-11-06 | The stiffness tuning method and axle box guidance joint of axle box guidance joint |
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|---|---|
| CN107719402A true CN107719402A (en) | 2018-02-23 |
Family
ID=61222423
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|---|---|---|---|
| CN201711076520.0A Pending CN107719402A (en) | 2017-11-06 | 2017-11-06 | The stiffness tuning method and axle box guidance joint of axle box guidance joint |
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| CN (1) | CN107719402A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109910938A (en) * | 2019-03-15 | 2019-06-21 | 株洲时代新材料科技股份有限公司 | V-type rubber pile component and its stiffness design method and application |
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Effective date of registration: 20200603 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. |
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