CN109538625A - A kind of thrust rod ball hinge and its assemble method - Google Patents
A kind of thrust rod ball hinge and its assemble method Download PDFInfo
- Publication number
- CN109538625A CN109538625A CN201811528583.XA CN201811528583A CN109538625A CN 109538625 A CN109538625 A CN 109538625A CN 201811528583 A CN201811528583 A CN 201811528583A CN 109538625 A CN109538625 A CN 109538625A
- Authority
- CN
- China
- Prior art keywords
- core axle
- metal core
- rubber
- metal
- rubber layer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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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
- F16C11/00—Pivots; Pivotal connections
- F16C11/04—Pivotal connections
- F16C11/06—Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints
- F16C11/0685—Manufacture of ball-joints and parts thereof, e.g. assembly of ball-joints
-
- 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
- F16C11/00—Pivots; Pivotal connections
- F16C11/04—Pivotal connections
- F16C11/06—Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints
- F16C11/0695—Mounting of ball-joints, e.g. fixing them to a connecting rod
Abstract
The present invention relates to a kind of thrust rod ball hinge and its assemble methods, disclosing distance rod rubber bushing includes metal core axle, rubber layer and metal end, the metal end is set to the both ends of the rubber layer, for preventing the extrusion of rubber, the rubber layer vulcanization is bonded on the metal core axle, and the rubber layer and the metal core axle adhesive segment are cambered surface；The metal core axle protruding apex is corrugated part, and the corrugated part includes at least two inner concaves.In rubber bushing provided by the invention, by being equipped with metal end at the both ends of rubber layer, the rubber bulging at rubber layer both ends and the rubber bulging of rubber layer and metal core axle adhesive segment can be effectively reduced；Meanwhile so that rubber-type face is not easy fold and cracking occur close to the position of housing and metal core axle, the service life of rubber bushing can be effectively improved.
Description
Technical field
The invention belongs to rail vehicle elastic element technical fields, and in particular, to a kind of thrust rod ball hinge and its assembling
Method.
Background technique
Rubber bushing is a kind of connecting element of function admirable of rubber and metal composite.Flexural pivot mainly utilizes vulcanization rubber
Glue plays cushioning buffer effect, and metalwork plays a part of to support and install interface, which can bear complicated working environment, wherein
Fatigue effect and instantaneous mechanical shock including multi-loads such as axial direction, radial direction, torsion, deflections.Therefore, rubber bushing is extensive
Apply to rail vehicle field.Currently, rubber bushing application structure the most universal is to be followed successively by metallized metal core from inside to outside
Axis, rubber layer and metal-coating, although the performance of this structure is able to satisfy the use of various operating conditions substantially.But when rubber
When radial smaller with axial rigidity, above structure is unable to satisfy performance requirement.
In recent years, someone, which develops, is able to achieve the smaller zigzag combined rubber joint of radial and axial rigidity.Through
Retrieval discovery is crossed, it is entitled " a kind of zigzag is combined ball hinged and makes assemble method " application No. is 200710035527.8
Patent of invention, disclose a kind of zigzag combined rubber flexural pivot, including metal-coating, metal core axle and elastic rubbery body,
There is metal spacer between metal-coating and elastic rubbery body, metal spacer is two valve structures, and metal spacer and metal core axle
At zigzag, the sawtooth of the two is mutually to inlay, be engaged and sulfide.
Although above structure is able to achieve radial and axial rigidity than small requirement, but since metal spacer is designed as two valves
Structure, being placed between metal core axle and housing makes flexural pivot structure is complicated；Metal spacer and metal core axle take up space greatly, are placed in
Elastic rubbery body thinner thickness between metal spacer and metal core axle leads to the radial rigidity and axial rigidity variation model of flexural pivot
The damping requirement for enclosing big damping position, be easy to cause between elastic rubbery body and metal spacer and metal core axle after flexural pivot aging
Vulcanization connection loosen, cause elastic rubbery body bulging to shorten flexural pivot phenomena such as even metal core axle and metal spacer shift
Service life.
Since there are the above problems for rubber bushing, the rigidity of flexural pivot product is caused to be unable to satisfy requirement, so that flexural pivot
The application of product is somewhat limited.Meanwhile the distance rod bulb assembly in traditional assembling mode, there are structures
Complexity, packaging efficiency is low, and manufacturing cost is high, and heavier-weight is difficult in maintenance, it is difficult to the disadvantages of detecting qualification.
Summary of the invention
The technical problem to be solved by the present invention is to rubber bushings to be unable to satisfy radial rigidity and axial direction in use just
Damping requirements and the service life for spending the big vibration damping position of variation range are short, provide a kind of thrust rod ball hinge.The flexural pivot is radial
Increase with axial rigidity, the two ratio is smaller, and radial and axial stiffness equivalent range is big, moreover it is possible to increase rubber layer
Deflection, torsion stiffness, improve the service life of rubber.
Another object of the present invention is to provide a kind of assemble methods of thrust rod ball hinge.
The present invention is achieved by the following technical solutions:
A kind of thrust rod ball hinge, the rubber bushing include metal core axle, rubber layer and metal end, the metal end vulcanization
The both ends of rubber layer are bonded in, for preventing the rubber extruding at rubber layer both ends；
The rubber layer vulcanization is bonded on the metallized metal mandrel, and the rubber layer is with the metal core axle bonded part
Cambered surface；
The metal core axle protruding apex is corrugated part, and the corrugated part includes at least two inner concaves.
Further, the arc radius of the inner concave is R1.
Further, the both ends of the corrugated part are arc male part, and the arc male part and metal core axle pass through circle
One transition of angle connection.
Further, the arc radius of the arc male part is R2, and the arc radius of the fillet one is R3, R2 > R3.
Further, the metal end and the rubber layer bonded part are flat part, the flat part and metal core
Axis has angle along axial direction.
Further, the angle is α.
Further, the flat part is connect by fillet two with the both ends transition of metal end；
Further, the metal core axle includes middle part and positioned at the end of on both sides of the middle, and the middle part is part-elliptical, institute
The upside junction for stating end and middle part is equipped with arc groove, and the end is equipped with through-hole.
Further, the one end of the rubber layer far from metal core axle is straight type, and the side of the rubber layer is concave
Circular arc.
The present invention also provides a kind of assemble methods by above-mentioned thrust rod ball hinge, comprising the following steps:
S1. ironware is handled: the metal core axle processed being carried out blasting treatment, after adhesive uniform brush is coated in blasting treatment
Metal core axle surface obtain metal core axle to be vulcanized after adhesive is dry；
S2. it assembles metal end: metal end being bonded on the metal core axle that step S1 is obtained, composition vulcanization body；
S3. molding vulcanization: the obtained metal core axle of step S2 is placed in vulcanizer, is injected rubber bodies, is passed through high temperature and pressure sulphur
After changing the regular hour, keep rubber bodies, metal end and metal core axle bonding integral；
Further, 140 ~ 160 DEG C of curing temperature described in rapid S2, pressure are 15-18 MPa, and the time is 20 ~ 40 min.
Compared with prior art, thrust rod ball hinge provided by the invention has the advantages that
In thrust rod ball hinge provided by the invention, by being equipped with metal end at the both ends of rubber layer, rubber layer can be effectively reduced
The rubber at both ends bloats and the rubber bulging of rubber layer and metallized metal mandrel adhesive segment；Meanwhile so that rubber-type face is close
The position of metallized metal mandrel is not easy fold and cracking occur, can effectively improve the service life of rubber bushing.
Thrust rod ball hinge provided by the invention, scientific and reasonable design metal core axle protruding apex are corrugated part structure, make rubber
Glue is not moved left and right with extruding, it is not easy to fold is occurred and be come unglued, so that the rubber layer fatigability of flexural pivot is more preferable, it is not easy to
Rubber is caused to separate with mandrel.The radially, axially rigidity of thrust rod ball hinge of the invention can it is bigger by 40% than general flexural pivot rigidity with
On, radial/axial rigidity ratio can reduce by 40% or more.
In thrust rod ball hinge of the invention, metal-coating and rubber layer adhesive segment are straight type, are conducive to increase ball
The torsion of hinge, enhances product performance, and increases the adhesive strength of metal-coating and rubber layer；The side of rubber layer is concave circular arc
The damped coefficient that rubber can be increased improves the service life of rubber；The middle part of metallized metal mandrel is part-elliptical, can be with
Increase rubber bushing torsion, improve rubber layer radially, axially, deflection and torsion stiffness.
Easy to operate when being assembled using assemble method provided by the invention, built-up time is reduced, packaging efficiency mentions
It is high.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the thrust rod ball hinge in specific embodiment.
Fig. 2 is the partial enlarged view of Fig. 1.
Specific embodiment
The present invention is further illustrated combined with specific embodiments below.It should be understood that one or more methods that the present invention mentions
Step is not repelled goes back there is also other methods step or between these explicitly mentioned steps before and after the combination step
Other methods step can be inserted；It should also be understood that these embodiments are merely to illustrate the present invention rather than limitation is of the invention
Range.
As shown in Figure 1 and 2, Fig. 1 provides a kind of thrust rod ball hinge for the present invention, and rubber bushing successively includes gold from inside to outside
Belong to mandrel 1, rubber layer 2 and metal end 3, metal end 3 vulcanizes the both ends for being bonded in rubber layer 2, for preventing 2 liang of rubber layer
The extrusion at end；The vulcanization of rubber layer 2 is bonded on metal core axle 1, and rubber layer 2 and 1 adhesive segment of metal core axle are cambered surface 4, cambered surface 4
Axial width be A；1 protruding apex of metal core axle is corrugated part 41, and corrugated part 41 includes at least two inner concaves 401, indent
The arc radius in face 401 is R1, and the both ends of corrugated part 41 are arc male part 42, and the arc radius of arc male part 42 is R2,
Arc male part 42 is connect with metal core axle 1 by one 100 transition of fillet, and the arc radius of fillet 1 is R3, R2 > R3.
Metal end 3 and 2 adhesive segment of rubber layer are flat part 21, and the flat part 21 is with metal core axle 1 along axial direction
Angle is α, and flat part 21 is connect by fillet 2 200 with the both ends transition of metal end 3.
Metal core axle 1 includes middle part 11, positioned at the end of on both sides of the middle 12, and middle part 11 is part-elliptical, end 12 with
The junction at middle part 11 is equipped with arc groove, and end 12 is equipped with through-hole 5；The one end of rubber layer 2 far from metal core axle 1 is straight
Type, the side of rubber layer 2 are concave circular arc 300.
When making rubber bushing, can be R1 according to carrying demand, the arc radius of internal concave surface 401, flat part 21 with
Metal core axle 1 along axial angle is α, the arc radius R3 of the axial width A of cambered surface 4, arc radius R2 and fillet 1
It is adjusted, so that the rigidity of rubber bushing meets carrying demand, provides better damping and buffering for the operation of rail vehicle
Effect.Wherein, the axial width A and arc radius R2 of arc male part 42 are adjusted, the rubber layer 2 of rubber bushing is adjusted along axis
To thickness change, thus change rubber bushing carrying when radial-deformation and axial deflection, change rubber bushing diameter,
Axial rigidity matching.By adjusting the angle α of lateral edge axial direction in flexural pivot end face 1 and metal-coating 3, can flexibly change each
The area that partial rubber layer is pressurized and is cut, thus it is easily achieved a variety of different diameters, axial rigidity ratio.
Secondly, biggish form factor be also beneficial to reduce diameter, axial rigidity ratio, rubber bushing of the invention all there are two
The rubber scope of freedom, compared with traditional spherical hinge structure, the scope of freedom is greatly increased, and when bearing radial load, rubber has more areas
Domain can move freely, and be also beneficial to reduce diameter, the axial rigidity ratio of rubber bushing.
The present embodiment also provides a kind of assemble method of rubber bushing for improving rigidity, comprising the following steps:
S1. ironware is handled: the metal core axle processed being carried out blasting treatment, after adhesive uniform brush is coated in blasting treatment
Metal core axle surface obtain metal core axle to be vulcanized after adhesive is dry；
S2. it assembles metal end: metal end being bonded on the metal core axle that step S1 is obtained, composition vulcanization body；
S3. molding vulcanization: the obtained metal core axle of step S2 is placed in vulcanizer, is injected rubber bodies, is passed through high temperature and pressure sulphur
After changing the regular hour, keep rubber bodies, metal end and metal core axle bonding integral.Curing temperature 140 in step S3 ~
160 DEG C, pressure is 15-18 MPa, and the time is 20 ~ 40 min.
Rubber bushing properties of product provided by the invention are high, and the radially, axially rigidity of flexural pivot can be than general flexural pivot rigidity
Big by 40% or more, radial/axial rigidity ratio can reduce by 40% or more, can be effective by the way that metal end is arranged at the both ends of rubber layer
The rubber bulging at rubber layer both ends and the rubber bulging of rubber layer and metal core axle adhesive segment are reduced, meanwhile, so that rubber-type
Face is not easy fold and cracking occur close to the position of metal core axle, can effectively improve the service life of rubber bushing.
Thrust rod ball hinge provided by the invention, scientific and reasonable design metal core axle protruding apex are corrugated part structure, make rubber
Glue is not moved left and right with extruding, it is not easy to fold is occurred and be come unglued, so that the rubber layer fatigability of flexural pivot is more preferable, it is not easy to
Rubber is caused to separate with mandrel.
Detailed process equipment and processing step of the invention that the present invention is explained by the above embodiments, those skilled in the art
Member is not it should be appreciated that the present invention is limited by above-described embodiment, and the above embodiments and description only describe the present invention
Principle, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, this is to this field
It is it will be apparent that these changes and improvements all fall within the protetion scope of the claimed invention for technical staff.
Claims (8)
1. a kind of distance rod rubber bushing, which is characterized in that the rubber bushing includes metal core axle, rubber layer and metal end
Lid, the metal end vulcanization is bonded in the both ends of rubber layer, for preventing the rubber extruding at rubber layer both ends；
The rubber layer vulcanization is bonded on the metal core axle, and the rubber layer and the metal core axle bonded part are arc
Face；
The metal core axle protruding apex is corrugated part, and the corrugated part includes at least two inner concaves.
2. distance rod rubber bushing according to claim 1, which is characterized in that the both ends of the corrugated part are arc evagination
Portion, the arc male part are connect with metal core axle by one transition of fillet.
3. distance rod rubber bushing according to claim 1, which is characterized in that the metal end and the rubber layer bond
Part is flat part, and the flat part and metal core axle have angle along axial direction.
4. distance rod rubber bushing according to claim 3, which is characterized in that the flat part passes through fillet two and metal end
The both ends transition of lid connects.
5. distance rod rubber bushing according to claim 1, which is characterized in that during the metal core axle includes middle part and is located at
The end of portion two sides, the middle part are part-elliptical, and the junction at the end and middle part is equipped with arc groove, the end
It is equipped with through-hole.
6. distance rod rubber bushing according to claim 1, which is characterized in that the one end of the rubber layer far from metal core axle
For straight type, the side of the rubber layer is concave circular arc.
7. the assemble method of any one distance rod rubber bushing according to claim 1 ~ 6, which is characterized in that including following step
It is rapid:
S1. ironware is handled: the metal core axle processed being carried out blasting treatment, after adhesive uniform brush is coated in blasting treatment
Metal core axle surface obtain metal core axle to be vulcanized after adhesive is dry；
S2. it assembles metal end: metal end being bonded on the metal core axle that step S1 is obtained, composition vulcanization body；
S3. molding vulcanization: the obtained metal core axle of step S2 is placed in vulcanizer, is injected rubber bodies, is passed through high temperature and pressure sulphur
After changing the regular hour, keep rubber bodies, metal end and metal core axle bonding integral.
8. the assemble method of distance rod rubber bushing according to claim 7, which is characterized in that vulcanize temperature described in step S2
140 ~ 160 DEG C of degree, pressure are 15-18 MPa, and the time is 20 ~ 40 min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811528583.XA CN109538625A (en) | 2018-12-13 | 2018-12-13 | A kind of thrust rod ball hinge and its assemble method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811528583.XA CN109538625A (en) | 2018-12-13 | 2018-12-13 | A kind of thrust rod ball hinge and its assemble method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109538625A true CN109538625A (en) | 2019-03-29 |
Family
ID=65855548
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811528583.XA Pending CN109538625A (en) | 2018-12-13 | 2018-12-13 | A kind of thrust rod ball hinge and its assemble method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109538625A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111520397A (en) * | 2020-04-20 | 2020-08-11 | 陕西德仕汽车部件（集团）有限责任公司 | Machining method of spherical hinge assembly |
| CN114922929A (en) * | 2022-05-06 | 2022-08-19 | 广州市威来材料科技有限公司 | Straight-cylinder-shaped multilayer rubber thin-wall joint, installation assembly and installation method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5340220A (en) * | 1991-11-23 | 1994-08-23 | Lemforder Metallwaren Ag | Pivoting bearing for mounting pull rods in motor vehicles |
| CN1642762A (en) * | 2002-03-12 | 2005-07-20 | 康斯贝格汽车公司 | Coupling |
| JP2010101467A (en) * | 2008-10-27 | 2010-05-06 | Saitama Kiki Kk | Shaft coupling device |
| WO2010085932A1 (en) * | 2009-01-30 | 2010-08-05 | Zf Friedrichshafen Ag | Molecular joint, in particular for use in motor vehicles |
| CN102427961A (en) * | 2009-06-04 | 2012-04-25 | Zf腓特烈斯哈芬股份公司 | Joint and/or bearing assembly having an elastic intermediate layer |
| CN203362931U (en) * | 2013-05-30 | 2013-12-25 | 安徽奥丰汽车配件有限公司 | Automobile shock absorber lining |
| CN106337891A (en) * | 2016-08-31 | 2017-01-18 | 海门市宏达铁路机车车辆配件有限公司 | Rubber joint for rail vehicle oil pressure damper and rubber formula thereof |
-
2018
- 2018-12-13 CN CN201811528583.XA patent/CN109538625A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5340220A (en) * | 1991-11-23 | 1994-08-23 | Lemforder Metallwaren Ag | Pivoting bearing for mounting pull rods in motor vehicles |
| CN1642762A (en) * | 2002-03-12 | 2005-07-20 | 康斯贝格汽车公司 | Coupling |
| JP2010101467A (en) * | 2008-10-27 | 2010-05-06 | Saitama Kiki Kk | Shaft coupling device |
| WO2010085932A1 (en) * | 2009-01-30 | 2010-08-05 | Zf Friedrichshafen Ag | Molecular joint, in particular for use in motor vehicles |
| CN102427961A (en) * | 2009-06-04 | 2012-04-25 | Zf腓特烈斯哈芬股份公司 | Joint and/or bearing assembly having an elastic intermediate layer |
| CN203362931U (en) * | 2013-05-30 | 2013-12-25 | 安徽奥丰汽车配件有限公司 | Automobile shock absorber lining |
| CN106337891A (en) * | 2016-08-31 | 2017-01-18 | 海门市宏达铁路机车车辆配件有限公司 | Rubber joint for rail vehicle oil pressure damper and rubber formula thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111520397A (en) * | 2020-04-20 | 2020-08-11 | 陕西德仕汽车部件（集团）有限责任公司 | Machining method of spherical hinge assembly |
| CN114922929A (en) * | 2022-05-06 | 2022-08-19 | 广州市威来材料科技有限公司 | Straight-cylinder-shaped multilayer rubber thin-wall joint, installation assembly and installation method |
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Application publication date: 20190329 |