CN210133119U - Rigidity-adjustable transverse elastic stop on anti-rolling torsion bar - Google Patents
Rigidity-adjustable transverse elastic stop on anti-rolling torsion bar Download PDFInfo
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- CN210133119U CN210133119U CN201921014432.2U CN201921014432U CN210133119U CN 210133119 U CN210133119 U CN 210133119U CN 201921014432 U CN201921014432 U CN 201921014432U CN 210133119 U CN210133119 U CN 210133119U
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Abstract
The lateral elastic stop comprises a fastener and an elastic body, the fastener is fixedly connected with the torsion bar assembly, and the elastic body is arranged between the fastener and the support seat assembly. When the anti-rolling torsion bar generates transverse displacement, the elastic body is extruded by the fastening piece and the supporting seat assembly to generate deformation; further deformation of the elastomer is resisted by the fastener and torsion bar assembly, resulting in a non-linear increase in the stiffness of the elastomer. The utility model discloses a when elasticity transversely ends the shelves and receives great extrusion force, the elastomer can receive blocking of fastener and torsion bar subassembly, the very big condition of deformation can not appear, is difficult for appearing tired impaired. Just the utility model discloses a rigidity change of elasticity horizontal stop can not appear suddenly increasing, can have fine shock-absorbing capacity.
Description
Technical Field
The utility model relates to a rail vehicle is with anti side roll torsion bar system technical field, concretely relates to prevent that anti side roll torsion bar from producing too big lateral shifting's part.
Background
The vibration of the vehicle mainly has six degrees of freedom: stretching vibration in the X direction, yawing vibration in the Y direction, floating and sinking vibration in the Z direction, nodding vibration around the Y axis, shaking vibration around the Z axis, and rolling vibration around the X axis. The existing track traffic vehicle bogie is suspended in two stages, and the anti-rolling torsion bar system plays roles in adjusting the rolling rigidity of the vehicle and controlling the rolling vibration of the vehicle.
The anti-rolling torsion bar device is a torsion bar device for short, is applied to rail transit vehicles such as urban rail subway vehicles, high-speed motor train unit vehicles and main rail railway vehicles, plays a role in improving the anti-rolling rigidity in the running process of the vehicles, is a key component of the rail transit vehicles, and is used for inhibiting the vehicle body from rolling on the conditions of vehicle turning, crosswind and the like. The main structure of the torsion bar assembly comprises a torsion bar assembly (comprising a torsion bar shaft and a torsion arm) or a bending torsion bar, a vertical connecting rod assembly and a supporting seat assembly.
However, the anti-roll torsion bar device needs to adapt to the influence of the anti-roll torsion bar device when the vehicle does other motions, such as yaw vibration in the Y direction, while providing the vehicle body roll stiffness, when the vehicle yaws, the lateral swinging load of the vehicle body relative to the bogie is transmitted to the torsion bar assembly through the connecting rod assembly, so as to be converted into axial channeling force between the torsion bar shaft (or the torsion bar) and the support seat assembly. Such play can present the following hazards:
1. because the support spherical hinge needs to bear the torsion angle of the torsion bar shaft and then bears a certain transverse displacement, the fatigue wear of the support spherical hinge can be caused, and the service life of the support spherical hinge is influenced.
2. The torsion bar arrangement is subject to lateral displacement during operation, so that there is a risk of the torsion bar arrangement exceeding the vehicle limits during operation.
3. The transverse movement causes the position of the torsion bar device to change, which can cause the parameters borne by the torsion bar device to change, thereby causing the risk of overload failure of parts in the torsion bar device and influencing the running safety of the train.
4. The supporting ball hinge bears overlarge transverse displacement, and the risk that the supporting ball hinge is separated from the supporting seat exists.
5. Due to repeated transverse movement of the torsion bar shaft (or the torsion bar) and the support spherical hinge, the paint protective layer of the torsion bar shaft (or the torsion bar) is abraded and falls off to generate corrosion.
In summary, the lateral play of the torsion bar device for preventing the rolling of the railway vehicle is harmful to a plurality of people. Therefore, how to design a compact structure, the installation of being convenient for, the horizontal drunkenness of effective control torsion bar system simultaneously is the utility model discloses the problem that the in-process is urgent to be solved.
The following patents are found through internal search and have similar parts with the utility model:
the utility model discloses an elastic transverse stopping device for a railway vehicle anti-rolling torsion bar, which is called as 'an elastic transverse stopping device for a railway vehicle anti-rolling torsion bar', with application number 201520464924.7, and comprises an elastic positioning part arranged between a torsion arm and a supporting seat, wherein the elastic positioning part is formed by joining two identical semi-ring parts; two end faces of the half ring piece are provided with a matching connection structure which enables the two half ring pieces to be connected end to end: one end face of the semi-ring piece is provided with a groove, and the other end face of the semi-ring piece is provided with a protrusion which can be clamped with the groove; in the elastic positioning piece, the end face provided with the groove and the end face provided with the protrusion of one half ring piece are respectively connected with the end face provided with the protrusion and the end face provided with the groove of the other half ring piece through a matching connection structure. The utility model discloses simple structure, simple to operate is reliable. The paint on the surfaces of other metal pieces cannot be damaged; the condition of abnormal sound caused by looseness can not occur. The rubber stop device has the advantages of low price, mature rubber vulcanization process, low cost and the like, and can solve a plurality of defects of the existing transverse stop device at one stroke.
Application number 201520464924.7's utility model also discloses a side rolls horizontal shelves that end of elasticity for torsion bar, but it is difficult to produce when producing deformation and becomes rigidity, and when the torsion bar device lateral displacement appeared at the operation in-process, when the extrusion force that elasticity transversely ends the shelves and received was great, the deformation that this kind of elasticity transversely ends the shelves and produces can be very big, and elasticity transversely ends the shelves and easily appears tired impaired, makes the horizontal buffer performance who ends the shelves of elasticity decline. The utility model relates to an above-mentioned utility model's improvement, the utility model discloses a when elasticity transversely ends the shelves and receives great extrusion force, the elastomer can receive blocking of fastener and torsion bar assembly, the very big condition of deformation can not appear, is difficult for appearing tired impaired. Just the utility model discloses a rigidity change of elasticity horizontal stop can not appear suddenly increasing, can have fine shock-absorbing capacity.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: how to reduce the deformation of the elastic transverse stopping gear caused by extrusion when the torsion bar device has transverse displacement, thereby reducing the fatigue damage of the elastic transverse stopping gear.
The needle is with above-mentioned problem, the utility model provides a technical scheme is: the lateral elastic stop comprises a fastener and an elastic body, the fastener is fixedly connected with the torsion bar assembly, and the elastic body is arranged between the fastener and the support seat assembly.
Further, the fastener is two semi-ring metal bodies, the two semi-ring metal bodies are provided with mounting holes, and bolts penetrate through the mounting holes to hold the two semi-ring metal bodies tightly on the torsion bar assembly.
Further, the elastomer is two semi-ring rubber bodies, all vulcanizes a semi-ring rubber body on every semi-ring metal body, and the edge of every semi-ring rubber body has all carried out the lead fillet.
Further, the fastener is two semi-ring metal bodies, the two semi-ring metal bodies are provided with mounting holes, and bolts penetrate through the mounting holes to hold the two semi-ring metal bodies tightly on the torsion bar assembly.
Furthermore, the elastomer is the rubber circle, and the rubber circle is the ring-shaped body, and the mobilizable cover of rubber circle is on the torsion bar subassembly, and the rubber circle is established between fastener and supporting seat subassembly.
Furthermore, the rubber ring comprises a main body and a splitting end, the main body is a C-shaped rubber body, one splitting end is arranged on one side of one end of the main body, and the other splitting end is arranged on the other side of the other end of the main body; the body and the two split ends are connected into a whole in a seamless mode, and the height of each split end is smaller than or equal to half of the height of the body.
Furthermore, the fastener comprises a semi-ring metal body and a semi-ring convex edge, wherein the semi-ring convex edge extending along the height direction of the semi-ring metal body is arranged on the outer side of the semi-ring metal body; the elastomer is a semi-ring rubber convex body, and the height of the semi-ring rubber convex body is greater than that of the semi-ring convex edge.
Further, the inner side surface of the semi-ring rubber convex body is an inner ring surface, the outer side surface of the semi-ring rubber convex body is an outer ring convex surface, the surface of the lower end of the semi-ring rubber convex body is a bottom surface, and the surface of the upper end of the semi-ring rubber convex body is a top surface; and the convex surface of the outer ring is an arc surface protruding outwards, and the thickness of the bottom surface is greater than that of the top surface.
The utility model has the advantages that:
1) through this horizontal elasticity shelves that ends, can solve the problem of the horizontal drunkenness that the rail vehicle operation process brought the torsion bar device to adopt elastic contact to avoid direct contact between the metal parts and avoid producing the abnormal sound, protect the paint on metal part surface simultaneously.
2) The transverse elastic stop is not only suitable for a torsion bar device with a straight torsion bar assembly structure, but also suitable for a torsion bar device with a bent torsion bar structure, and can be selectively arranged on the inner side or the outer side of the supporting seat assembly according to the installation space, and can also start the effect of preventing the torsion bar device from transversely moving.
3) The transverse elastic stop is in a structure that two semi-annular structures are screwed through bolts, and the transverse elastic stop is installed after the torsion bar device is installed on a vehicle, so that the manufacturing tolerance of the torsion bar device and the size of a vehicle interface can be eliminated.
4) The structure of the transverse elastic stop is that two semi-annular structures are screwed up through bolts, and the torsion bar device is not required to be disassembled in installation and disassembly, so that the transverse elastic stop is simple and convenient to install and disassemble and high in maintainability.
5) The transverse elastic stop can ensure that the transverse rigidity can meet the requirements of any design value by adjusting the rubber parameters and the structure of the rubber part.
Drawings
Fig. 1 is a schematic view of the overall structure of an anti-roll torsion bar and an elastic stopper according to the present invention;
FIG. 2 is a schematic perspective view of an elastic stop according to a first embodiment;
FIG. 3 is a schematic perspective view of a rubber ring according to a second embodiment when closed;
FIG. 4 is a schematic perspective view of the rubber ring of the second embodiment when opened;
FIG. 5 is a schematic perspective view of the elastic stopper according to the third embodiment;
FIG. 6 is a perspective view of a fastener according to a third embodiment;
fig. 7 is a schematic perspective view of the semi-ring rubber convex body of the third embodiment in the front view direction;
in the figure: 1 transverse elastic stop, 10 semi-ring metal bodies, 101 mounting holes, 102 semi-ring convex edges, 11 semi-ring rubber bodies, 12 rubber rings, 121 main bodies, 122 split ends, 13 semi-ring rubber convex bodies, 131 inner annular surfaces, 132 bottom surfaces, 133 outer ring convex surfaces, 134 top surfaces, 135 upper outer sides, 136 lower outer sides, 2 torsion bar assemblies, 3 support seat assemblies and 4 connecting rod assemblies.
Detailed Description
The invention is further described below with reference to the following examples and figures:
example one
As shown in fig. 1, the anti-roll torsion bar includes a torsion bar assembly 2, a supporting seat assembly 3 and a connecting rod assembly 4, the supporting seat assembly 3 is movably mounted on the torsion bar assembly 2, the supporting seat assembly 3 can generate relative displacement with the torsion bar assembly 2, and the supporting seat assembly 3 is further fixed on the vehicle body. The torsion bar component 2 is provided with a supporting seat component 3 and a transverse elastic stop 1, and the transverse elastic stop 1 is positioned on one side of the supporting seat component 3. When the anti-rolling torsion bar is displaced transversely, the fastener moves transversely along with the torsion bar assembly 2, so that the elastic body is pressed on the supporting seat assembly 3, and the effect of preventing the anti-rolling torsion bar from further displacing transversely is achieved.
The transverse elastic stop 1 comprises a fastening member and an elastic member, as shown in fig. 2, the fastening member is two half-ring metal bodies 10 in this embodiment, the two half-ring metal bodies 10 are both provided with mounting holes 101, bolts are inserted through the mounting holes 101 to fasten the two half-ring metal bodies 10, and the bolts are tightened to clamp the two half-ring metal bodies 10 to the torsion bar assembly 2, so as to prevent the relative displacement between the half-ring metal bodies 10 and the torsion bar assembly 2. The elastomer is two semi-ring rubber bodies 11 in this embodiment, one semi-ring rubber body 11 is vulcanized on each semi-ring metal body 10, and the shapes of the semi-ring metal bodies 10 and the semi-ring rubber bodies 11 are both half circular rings.
In order to reduce stress concentration when the half-ring rubber body 11 is extruded, each edge of each half-ring rubber body 11 is rounded. Adjusting the height and thickness of the semi-ring rubber body 11 can change the rigidity of the semi-ring rubber body 11, increasing the height of the semi-ring rubber body 11 can reduce the rigidity of the semi-ring rubber body 11, and increasing the thickness of the semi-ring rubber body 11 can increase the rigidity of the semi-ring rubber body 11.
Example two
The difference between the first embodiment and the second embodiment is that, as shown in fig. 3 and fig. 4, in the present embodiment, the elastic body is a rubber ring 12, the rubber ring 12 is an annular body, the rubber ring 12 is movably sleeved on the torsion bar assembly 2, and the rubber ring 12 is disposed between the fastening member and the supporting seat assembly 3. The rubber ring 12 comprises a main body 121 and a split end 122, the main body 121 is a C-shaped rubber body, one split end 122 is arranged on one side of one end of the main body 121, and the other split end 122 is arranged on the other side of the other end of the main body 121. The body 121 is seamlessly connected with both of the split ends 122 into a whole, and the height of each split end 122 is less than or equal to half of the height of the body 121.
As shown in fig. 3, when the two split ends 122 are brought together, the rubber ring 12 can form a closed ring. As shown in fig. 4, when the two split ends 122 are opened, the rubber ring 12 can be directly sleeved on the torsion bar assembly 2 and also can be directly taken off from the torsion bar assembly 2 without disassembling the anti-roll torsion bar, so that the rubber ring 12 can be conveniently replaced. In this embodiment the fastener is the same as in the first embodiment, and the rubber ring 12 is still disposed between the fastener and the support base assembly 3.
EXAMPLE III
The difference between the first embodiment and the second embodiment is that, as shown in fig. 5, 6 and 7, the fastener in the present embodiment includes a half-ring metal body 10 and a half-ring flange 102, and the half-ring flange 102 extending along the height direction of the half-ring metal body 10 is disposed on the outer side of the half-ring metal body 10. The half-ring metal body 10 and the half-ring flange 102 are both half circular rings, but the thickness of the half-ring metal body 10 is greater than that of the half-ring flange 102, and the half-ring flange 102 is seamlessly connected to the outer side of the half-ring metal body 10.
In this embodiment, the elastic body is a half-ring rubber convex body 13, and the height of the half-ring rubber convex body 13 is greater than the height of the half-ring convex edge 102. The inner side surface of the half ring rubber convexity 13 is an inner annular surface 131, the outer side surface of the half ring rubber convexity 13 is an outer annular convex surface 133, and the surfaces of the lower end and the upper end of the half ring rubber convexity 13 are a bottom surface 132 and a top surface 134, respectively. And the outer ring convex surface 133 is an arc surface protruding outward, and the thickness of the bottom surface 132 is greater than that of the top surface 134.
The inner annular surface 131 of the half-ring rubber convex body 13 is attached to the outer surface of the torsion bar assembly 2, the outer annular convex surface 133 of the half-ring rubber convex body 13 has a distance with the inner side surface of the half-ring convex edge 102, and the distance between one end of the outer annular convex surface 133 close to the top surface 134 and the inner side surface of the half-ring convex edge 102 is smaller than the distance between one end of the outer annular convex surface 133 close to the bottom surface 132 and the inner side surface of the half-ring convex edge 102. The junction of top surface 134 and outer annular convex surface 133 is an upper outer side edge 135, the junction of bottom surface 132 and outer annular convex surface 133 is a lower outer side edge 136, and both upper outer side edge 135 and lower outer side edge 136 are rounded.
When the half ring rubber convex body 13 is deformed by the extrusion of the half ring metal body 10 and the support seat assembly 3, the deformation of the inner annular surface 131 is prevented by the torsion bar assembly 2. The outer ring convex surface 133 deforms and expands outward, one end of the outer ring convex surface 133 close to the bottom surface 132 is attached to the inner surface of the half ring convex edge 102 first, and when the half ring rubber convex body 13 further deforms, one end of the outer ring convex surface 133 close to the top surface 134 is also attached to the inner surface of the half ring convex edge 102 gradually. The inner ring surface 131 of the half-ring rubber convex body 13 is prevented by the torsion bar assembly 2, and the outer ring convex surface 133 is gradually prevented by the half-ring convex edge 102, so that the rigidity of the elastic body is increased in a non-linear mode.
Therefore, the half-ring rubber convex body 13 is blocked by the half-ring convex edge 102 and the torsion bar assembly 2, and when the half-ring rubber convex body 13 is subjected to a large extrusion force, the situation of large deformation cannot occur, so that fatigue damage is not easy to occur. Moreover, the half-ring rubber convex body 13 is characterized in that one end of the outer ring convex surface 133 close to the bottom surface 132 is firstly attached to the inner surface of the half-ring convex edge 102, and then one end of the outer ring convex surface 133 close to the top surface 134 is gradually attached to the inner surface of the half-ring convex edge 102, so that the rigidity change of the half-ring rubber convex body 13 cannot be suddenly increased, and the half-ring rubber convex body has good buffering performance.
In this embodiment, the height of the half-ring rubber convex body 13 is: the distance from the bottom surface 132 to the top surface 134 of the half-ring rubber convexity 13. The thickness of the semi-ring rubber convex body 13 is as follows: distance from inner ring surface 131 to outer ring convex surface 133. And the height direction and the thickness direction of the fastener and the elastic body in the first embodiment and the second embodiment are consistent with the height direction and the thickness direction of the semi-ring rubber convex body 13 in the present embodiment.
It will be apparent that modifications and variations are possible without departing from the principles of the invention.
Claims (8)
1. The lateral elastic stop gear is characterized in that the lateral elastic stop gear (1) comprises a fastener and an elastic body, the fastener is fixedly connected with the torsion bar component (2), and the elastic body is arranged between the fastener and the support seat component (3).
2. Stiffness adjustable transverse elastic stop on a roll bar according to claim 1 characterized in that the fastening means are two half ring metals (10), both half ring metals (10) are provided with mounting holes (101), and bolts are passed through said mounting holes (101) to hold the two half ring metals (10) tightly to the torsion bar assembly (2).
3. Lateral spring stop with adjustable stiffness for a torsion anti-roll bar according to claim 1 or 2, characterised in that the elastomer is two semi-ring rubber bodies (11), one semi-ring rubber body (11) being vulcanised to each semi-ring metal body (10), the edges of each semi-ring rubber body (11) being rounded.
4. Stiffness adjustable transverse elastic stop on a roll bar according to claim 1 characterized in that the fastening means are two half ring metals (10), both half ring metals (10) are provided with mounting holes (101), and bolts are passed through said mounting holes (101) to hold the two half ring metals (10) tightly to the torsion bar assembly (2).
5. Lateral spring stop with adjustable stiffness for a roll-resistant torsion bar according to claim 1, characterized in that the elastic body is a rubber ring (12), the rubber ring (12) is an annular body, the rubber ring (12) is movably sleeved on the torsion bar assembly (2), and the rubber ring (12) is arranged between the fastening element and the bearing assembly (3).
6. The adjustable transverse elastic stop dog of stiffness on an anti-roll torsion bar according to any one of claims 1, 4 and 5, characterized in that the rubber ring (12) comprises a main body (121) and a split end (122), the main body (121) is a C-shaped rubber body, one split end (122) is arranged on one side of one end of the main body (121), and the other split end (122) is arranged on the other side of the other end of the main body (121); the body (121) is seamlessly connected with the two split ends (122) into a whole, and the height of each split end (122) is less than or equal to half of the height of the body (121).
7. Lateral spring stop with adjustable stiffness on a torsion anti-roll bar according to claim 1, characterized in that the fastening member comprises a half-ring metal body (10) and a half-ring flange (102), wherein the half-ring metal body (10) is provided with a half-ring flange (102) on the outer side extending in the height direction of the half-ring metal body (10); the elastic body is a semi-ring rubber convex body (13), and the height of the semi-ring rubber convex body (13) is greater than that of the semi-ring convex edge (102).
8. The stiffness adjustable transverse elastic stop on an anti-roll torsion bar according to claim 7, characterized in that the inside surface of the half-ring rubber convexity (13) is an inner annular surface (131), the outside surface of the half-ring rubber convexity (13) is an outer annular convex surface (133), the surface of the lower end of the half-ring rubber convexity (13) is a bottom surface (132), and the surface of the upper end of the half-ring rubber convexity (13) is a top surface (134); the outer ring convex surface (133) is an arc surface protruding outwards, and the thickness of the bottom surface (132) is larger than that of the top surface (134).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921014432.2U CN210133119U (en) | 2019-07-02 | 2019-07-02 | Rigidity-adjustable transverse elastic stop on anti-rolling torsion bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921014432.2U CN210133119U (en) | 2019-07-02 | 2019-07-02 | Rigidity-adjustable transverse elastic stop on anti-rolling torsion bar |
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| CN210133119U true CN210133119U (en) | 2020-03-10 |
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| CN201921014432.2U Active CN210133119U (en) | 2019-07-02 | 2019-07-02 | Rigidity-adjustable transverse elastic stop on anti-rolling torsion bar |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110254461A (en) * | 2019-07-02 | 2019-09-20 | 株洲时代新材料科技股份有限公司 | The adjustable transverse elasticity stop of rigidity and stiffness tuning method on anti-side rolling torsion rod |
-
2019
- 2019-07-02 CN CN201921014432.2U patent/CN210133119U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110254461A (en) * | 2019-07-02 | 2019-09-20 | 株洲时代新材料科技股份有限公司 | The adjustable transverse elasticity stop of rigidity and stiffness tuning method on anti-side rolling torsion rod |
| CN110254461B (en) * | 2019-07-02 | 2024-04-05 | 株洲时代新材料科技股份有限公司 | Rigidity-adjustable transverse elastic stop on anti-rolling torsion bar and rigidity adjusting method |
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