CN205086937U - Axle box longitudinal elastic pad - Google Patents
Axle box longitudinal elastic pad Download PDFInfo
- Publication number
- CN205086937U CN205086937U CN201520866150.0U CN201520866150U CN205086937U CN 205086937 U CN205086937 U CN 205086937U CN 201520866150 U CN201520866150 U CN 201520866150U CN 205086937 U CN205086937 U CN 205086937U
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- China
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- end plate
- axle box
- pit
- rubber layer
- longitudinal elasticity
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Abstract
Axle box longitudinal elastic pad installs in side bearer drawing strickle guide and axle box bear the weight of the axial clearance between the saddle, and end plate no. 1 and the end plate no. 2 of location on the side bearer drawing strickle guide including the location on the axle box bears the weight of the saddle, end plate no. 1 vulcanize through the rubber layer with end plate no. 2 connects its characterized in that one side of a rubber layer and end plate bonding have a pit no. 1, one sides of two bondings of rubber layer and end plate has a pit no. 2, pit no. 1 and pit no. 2 along the rubber vertical interval distribution in layer, the thickness on rubber layer be greater than the thickness sum of thickness yu the end plate no. 2 of end plate no. 1. The utility model provides an axle box longitudinal elastic rubber pad shear displacemant is big, have vertical two -stage rigidity, and the reliability is high, installs in side bearer drawing strickle guide and axle box bear the axial clearance between the saddle, and the dry friction that causes when avoiding side bearer drawing strickle guide and axle box to bear rigidity location and the operation between the vertical both sides of saddle is worn and torn, and elimination side bearer drawing strickle guide and axle box bear the axial clearance between the saddle.
Description
Technical field
The utility model relates to the axle box longitudinal elasticity pad be arranged between side frame guide and axle box adapter, for eliminating abrasion between axle box adapter and side frame guide and axial clearance.
Background technology
Railway vehicle is a kind of at the ad hoc special car orbited, automatic guide during operation, without the need to controlling party to.Configuration in railroad truck is that guided vehicle highly runs and the vitals of turning operation on curve track on rectilinear orbit.Existing cast steel three-piece bogie is because its railway truck at home and abroad simple and reliable for structure uses in enormous quantities.Three-piece bogie comprises two side frame compositions, a bolster composition and two wheels to composition etc.The two ends drawing strickle guide of side frame composition is arranged on wheel to upper by axle box adapter and bearing arrangement.The two ends of bolster composition are arranged in the central square frame of side frame composition by two groups of central spring suspension gears.Axle box adapter and bearing arrangement are contact side frame and the right turning joint of wheel, ensure wheel linearly orbital motion and pass through curve track smoothly neatly.
More existing novel cast steel three-piece bogie vertical positions between axle box adapter and side frame guide have installed axle box rubber packing additional, achieve the elasticity location of axle box, are also equivalent to be configured with single stage suspension to bogie truck.Axle box rubber packing has certain amount of deflection, make the quality of the pull bar of side frame and mounted thereto, become sprung weight from unsprung weight, thus decrease the dynamic deformation from motion between bogie truck and circuit, be conducive to the dynamic performance improving bogie truck, reduce wheel-rail wear.
The increase that the heavy load-carrying vehicle bogie truck of novel macro-axis weighs due to axle, for reducing unsprung weight further, the vibration & noise that isolation wheel track irregularity causes, requires that the vertical amount of deflection of axle box rubber packing reaches 3 ~ 8mm.After the vertical amount of deflection of axle box rubber packing increases, relative displacement also corresponding increase between side frame guide and the longitudinal both sides of axle box adapter, in vehicle operation, abrasion between the two also will increase, after abrasion, axial clearance increases, and has influence on the riding quality of railway vehicle.
Utility model content
The utility model for side frame guide in vehicle operation and axle box adapter longitudinally between abrasion and axial clearance increase, have influence on the technical matters of the riding quality of vehicle, provide a kind of shear displacemant large, there is longitudinal two stage stiffness, the axle box longitudinal elasticity rubber pad that reliability is high, be arranged in the axial clearance between side frame guide and axle box adapter, the dry friction caused abrasion when avoiding the rigidity location between side frame guide and the longitudinal both sides of axle box adapter and run, eliminate the axial clearance between side frame guide and axle box adapter.
For achieving the above object, the technical solution adopted in the utility model is: axle box longitudinal elasticity pad, be arranged in the axial clearance between side frame guide and axle box adapter, comprise the end plate one be positioned on axle box adapter and the end plate two be positioned on side frame guide, end plate one is connected by rubber layer sulfuration with end plate two, it is characterized in that the described rubber layer side bonding with end plate one has pit one, the rubber layer side bonding with end plate two has pit two, described pit one distributes along rubber layer longitudinal interval with pit two, the thickness of described rubber layer is greater than the thickness of end plate one and the thickness sum of end plate two.
Further, have the hard backstop longitudinally arranged between end plate one and end plate two, described hard backstop and rubber layer sulfide.
Further, described pit one and pit two are semielliptical shape pit.
Further, the upper surface of described rubber layer and the lower surface of rubber layer be antisymmetry arrange, described upper surface near one end of end plate one lower than one end near end plate two, upper surface.
Further, described pit one is near described lower surface, described pit two is near described upper surface, the minimum thickness of the rubber layer between described upper surface and pit two is H1, the minimum thickness of the rubber layer between pit two and pit one is H2, the minimum thickness of the rubber layer between pit one and lower surface is H3, H1=H2=H3.
Further, described end plate two thickness from top to bottom increases gradually, and the lateral surface of described end plate two is inclined-plane.
Further, the angle between described inclined-plane and end plate two medial surface is 2 ° ~ 3 °.
Further, the right flank of described hard backstop is attached on described end plate one.
Further, described end plate one being equipped with the circular locating dowel pin for locating with axle box adapter, described end plate two being equipped with the oval locating dowel pin for locating with side frame guide.
Further, described circular locating dowel pin contacts with the right flank of hard backstop.
The beneficial effects of the utility model:
Axle box longitudinal elasticity pad of the present utility model, be arranged in the axial clearance between side frame guide and axle box adapter, the dry friction caused abrasion when avoiding the rigidity location between side frame guide and the longitudinal both sides of axle box adapter and run, eliminate the axial clearance between side frame guide and axle box adapter, minimizing wheel track and guideway irregularity are to the various impacts of vehicle operating, effective reduction vehicle is by wheel-rail lateral force during curve, reduce wheel-rail wear, improve running velocity and riding quality.Wherein, the thickness of rubber layer is greater than the thickness of end plate one and the thickness sum of end plate two, thicker rubber layer ensures that axis vertical resilient rubbber cushion has larger shear displacemant, pit one and pit two are set in rubber layer, realize longitudinal two stage stiffness of axle box longitudinal elasticity pad, to the design of pit one and pit one shape, position and size, when ensureing the vertical shearing of axle box longitudinal elasticity pad, rubber layer meets with stresses strain evenly, improve the fatigue life of rubber layer, the reliability of axle box longitudinal elasticity pad is high.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation that the utility model is arranged between side frame guide and axle box adapter.
Detailed description of the invention
To be further described the utility model by Fig. 1 and Fig. 2 and embodiment below.
Axle box longitudinal elasticity pad, be arranged in the axial clearance between side frame guide and axle box adapter, comprise the end plate 1 be positioned on axle box adapter 100 and the end plate 22 be positioned on side frame guide 200, end plate 1 is connected by rubber layer 3 sulfuration with end plate 22, described end plate 22 thickness from top to bottom increases gradually, and the lateral surface of described end plate 22 is inclined-plane.Angle β between described inclined-plane and end plate 22 medial surface is 2 ° ~ 3 °, what make axle box longitudinal elasticity pad is also the shape of thickness increase from top to bottom, the convenient side frame guide 200 that inserted by axle box longitudinal elasticity pad with the axial clearance of axle box adapter 100, and eliminates the empty axial clearance stayed between axle box longitudinal elasticity pad installation rear side drawing strickle guide 200 and axle box adapter 100.
Described rubber layer 3 side bonding with end plate 1 has semielliptical shape pit 1, rubber layer 3 side bonding with end plate 22 has semielliptical shape pit 2 32, described pit 1 distributes along rubber layer 3 longitudinal interval with pit 2 32, the thickness of described rubber layer 3 is greater than the thickness of end plate 1 and the thickness sum of end plate 22, and thicker rubber layer ensures that axis vertical resilient rubbber cushion has larger shear displacemant.
The upper surface 34 of described rubber layer 3 and the lower surface 35 of rubber layer are that antisymmetry is arranged, described upper surface 34 near one end of end plate 1 lower than one end near end plate 22, upper surface 34.Described pit 1 is near described lower surface 35, described pit 2 32 is near described upper surface 34, the minimum thickness of the rubber layer 3 between described upper surface 34 and pit 2 32 is H1, the minimum thickness of the rubber layer 3 between pit 2 32 and pit 1 is H2, the minimum thickness of the rubber layer 3 between pit 1 and lower surface 35 is H3, H1=H2=H3.During the vertical shearing of axle box longitudinal elasticity pad, pit 1 and the stress suffered by pit 2 32 place rubber less, rubber layer ess-strain is even, improves the fatigue life of rubber layer 3.
Have the hard backstop 33 longitudinally arranged between end plate 1 and end plate 22, described hard backstop 33 sulfides with rubber layer 3.The right flank of described hard backstop 33 is attached on described end plate 1.When axle box longitudinal elasticity pad was subject to large impact, hard backstop 33 contacted with end plate 22, the excessive compression of restriction rubber layer 3, and protection axle box longitudinal elasticity pad is injury-free.
The circular locating dowel pin 11 for locating with axle box adapter 100 described end plate 1 is equipped with, described end plate 22 being equipped with the oval locating dowel pin 21 for locating with side frame guide 200, convenient axle box longitudinal elasticity pad being positioned between the longitudinal direction of axle box adapter 100 and side frame guide 200.Described circular locating dowel pin 11 contacts with the right flank of hard backstop 33.
Above-described axle box longitudinal elasticity pad is arranged in the axial clearance between axle box adapter 100 and side frame guide 200, the dry friction caused abrasion when avoiding the rigidity location between side frame guide and the longitudinal both sides of axle box adapter and run, eliminate the axial clearance between side frame guide and axle box adapter, minimizing wheel track and guideway irregularity are to the various impacts of vehicle operating, effective reduction vehicle is by wheel-rail lateral force during curve, reduce wheel-rail wear, improve running velocity and riding quality.Thicker rubber layer 3 makes it have larger clipped position.When axle box longitudinal elasticity pad starts stressed, its longitudinal rigidity is less, and pit 1 and pit 2 32 disappear with the compression of rubber layer 3, and its longitudinal rigidity increases, and has second stage longitudinal rigidity, achieves longitudinal two stage stiffness of axle box longitudinal elasticity pad.Carrying out appropriate design to the shape of pit 1 and pit 2 32, distributing position and size makes rubber layer 3 institute when vertical shear deformation meet with stresses strain evenly, and improve the fatigue life of rubber layer 3, the reliability of axle box longitudinal elasticity pad is high.
Below by reference to the accompanying drawings complete description is carried out to the technical scheme of the utility model embodiment; it should be noted that described embodiment is only the utility model part embodiment; make based on the embodiment in the utility model; the every other embodiment that those of ordinary skill in the art obtain under the prerequisite not making creative work, all belongs to the scope of the utility model protection.
Claims (10)
1. axle box longitudinal elasticity pad, be arranged in the axial clearance between side frame guide and axle box adapter, comprise the end plate one (1) be positioned on axle box adapter (100) and the end plate two (2) be positioned on side frame guide (200), end plate one (1) is connected by rubber layer (3) sulfuration with end plate two (2), it is characterized in that described rubber layer (3) side bonding with end plate one (1) has pit one (31), rubber layer (3) side bonding with end plate two (2) has pit two (32), described pit one (31) distributes along rubber layer (3) longitudinal interval with pit two (32), the thickness of described rubber layer is greater than the thickness of end plate one (1) and the thickness sum of end plate two (2).
2. axle box longitudinal elasticity pad according to claim 1, it is characterized in that having the hard backstop (33) longitudinally arranged between end plate one (1) and end plate two (2), described hard backstop (33) and rubber layer (3) sulfide.
3. axle box longitudinal elasticity pad according to claim 2, is characterized in that described pit one (31) and pit two (32) are semielliptical shape pit.
4. axle box longitudinal elasticity pad according to claim 3, it is characterized in that the upper surface (34) of described rubber layer (3) and the lower surface (35) of rubber layer are antisymmetry setting, one end of the close end plate one (1) in described upper surface (34) is lower than upper surface (34) one end near end plate two (2).
5. axle box longitudinal elasticity pad according to claim 4, it is characterized in that described pit one (31) is near described lower surface (35), described pit two (32) is near described upper surface (34), the minimum thickness of the rubber layer (3) between described upper surface (34) and pit two (32) is H1, the minimum thickness of the rubber layer (3) between pit two (32) and pit one (31) is H2, the minimum thickness of the rubber layer (3) between pit one (31) and lower surface (35) is H3, H1=H2=H3.
6. axle box longitudinal elasticity pad according to claim 5, it is characterized in that described end plate two (2) thickness from top to bottom increases gradually, the lateral surface of described end plate two (2) is inclined-plane.
7. axle box longitudinal elasticity pad according to claim 6, is characterized in that the angle between described inclined-plane and end plate two (2) medial surface is 2 ° ~ 3 °.
8. axle box longitudinal elasticity pad according to claim 7, is characterized in that the right flank of described hard backstop (33) is attached on described end plate one (1).
9. axle box longitudinal elasticity pad according to claim 8, it is characterized in that described end plate one (1) is equipped with the circular locating dowel pin (11) for locating with axle box adapter (100), described end plate two (2) being equipped with the oval locating dowel pin (21) for locating with side frame guide (200).
10. axle box longitudinal elasticity pad according to claim 9, is characterized in that described circular locating dowel pin (11) contacts with the right flank of hard backstop (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520866150.0U CN205086937U (en) | 2015-11-03 | 2015-11-03 | Axle box longitudinal elastic pad |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520866150.0U CN205086937U (en) | 2015-11-03 | 2015-11-03 | Axle box longitudinal elastic pad |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205086937U true CN205086937U (en) | 2016-03-16 |
Family
ID=55477649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520866150.0U Active CN205086937U (en) | 2015-11-03 | 2015-11-03 | Axle box longitudinal elastic pad |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205086937U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017185673A1 (en) * | 2016-04-27 | 2017-11-02 | 中车齐齐哈尔车辆有限公司 | Journal box rubber pad, bogie and railway car |
-
2015
- 2015-11-03 CN CN201520866150.0U patent/CN205086937U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017185673A1 (en) * | 2016-04-27 | 2017-11-02 | 中车齐齐哈尔车辆有限公司 | Journal box rubber pad, bogie and railway car |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200610 Address after: 412007 No.301, physical and chemical building, Liyu Industrial Park, no.639, Heilongjiang Road, Tianyuan District, Zhuzhou City, Hunan Province Patentee after: Zhuzhou Times Ruiwei damping equipment Co., Ltd Address before: 412007 No. 18 Haitian Road, Tianyuan District, Hunan, Zhuzhou Patentee before: Zhuzhou Times New Material Technology Co.,Ltd. |