CN216555107U - Rubber air bag for rail locomotive shock absorber - Google Patents
Rubber air bag for rail locomotive shock absorber Download PDFInfo
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- CN216555107U CN216555107U CN202123027182.6U CN202123027182U CN216555107U CN 216555107 U CN216555107 U CN 216555107U CN 202123027182 U CN202123027182 U CN 202123027182U CN 216555107 U CN216555107 U CN 216555107U
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- air bag
- inner cylinder
- shock absorber
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- rubber
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Abstract
The utility model provides a rubber air bag for a track locomotive shock absorber, which belongs to the technical field of track locomotive shock absorption, is positioned in an oil storage cavity between an inner cylinder and outer steel, and comprises the inner cylinder, an air bag body and a plurality of clamps, wherein the air bag body is sleeved on the outer circumference of the inner cylinder, an inflation cavity for storing gas is formed between the middle part of the air bag body and the outer wall of the inner cylinder at intervals, and the plurality of clamps are arranged at two ends of the air bag body and used for encircling and locking the air bag body to the outer circumference of the inner cylinder. The rubber air bag for the track locomotive shock absorber provided by the utility model solves the technical problems of large occupied space and low air storage efficiency of the rubber air bag for the track locomotive shock absorber in the prior art, and has the technical effects of small occupied space of the rubber air bag, high air storage efficiency of the interior of the air bag under the same total volume of the shock absorber, simple connection structure of the air bag and an inner cylinder, high stability and durability in use.
Description
Technical Field
The utility model belongs to the technical field of rail locomotive shock absorption, and particularly relates to a rubber air bag for a rail locomotive shock absorber.
Background
The vibration reduction or vibration avoidance of rail vehicles in the prior art, namely locomotives and vehicles of railways, urban light rails and subways, widely adopts a liquid (oil) pressure vibration damper with alternating liquid flow directions, the vibration damper adopts an air bag device in an oil storage cavity, the vibration damper is a device which is formed by two or more groups of double-layer rubber bags and evenly distributed on the circumference, the air bag is internally inflated, the air bag is externally stored with oil, and the vibration damper has the advantages that: 1) only oil exists in the oil storage cavity, and the oil and the air are separated by the air bag, so that emulsification caused by oil-gas fusion is avoided, and the normal work of the shock absorber can be damaged when the emulsification enters the working cylinder; 2) the oil and gas are strictly separated, so that the shock absorber can normally work at any installation angle, and the same shock absorber can be used in the vertical direction and the transverse direction. However, the prior structure has the following disadvantages: in the oil storage cavity, the rubber occupies a large space and has low air storage efficiency; and the oil storage and inflation space of the existing shock absorber does not completely meet the working requirement of the shock absorber.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a rubber air bag for a track locomotive shock absorber, and aims to solve the technical problems that the rubber air bag for the track locomotive shock absorber in the prior art occupies a large space and has low air storage efficiency.
In order to achieve the purpose, the utility model adopts the technical scheme that: the rubber air bag for the shock absorber of the rail locomotive is positioned in an oil storage cavity between an inner cylinder and outer steel and comprises the inner cylinder, an air bag body and a plurality of clamps, wherein the air bag body is sleeved on the outer circumference of the inner cylinder, and an inflating chamber for storing gas is formed between the middle part of the air bag body and the outer wall of the inner cylinder at intervals; a plurality of clamps are all located gasbag body both ends for enclose locking gasbag body extremely on the outer circumference of inner casing.
In a possible implementation manner, the airbag body comprises two fixing parts and an inflating part, the two fixing parts are arranged at intervals and respectively abut against the outer circumference of the inner cylinder, and the clamp is sleeved on the outer circumference of the fixing parts; the inflation part is located between two fixing parts, the inflation part and the inner cylinder outer wall are arranged at intervals, and the inflation chamber is formed between the inflation part and the inner cylinder.
In a possible implementation manner, the airbag body further comprises two transition portions, the inflation portion is respectively connected with the two fixing portions through the two transition portions, the transition portions are in a circular truncated cone shape, and the inner diameter of the connection portion of the transition portions and the inflation portion is larger than that of the connection portion of the fixing portions.
In a possible implementation manner, a sleeve ring is arranged at a joint between the transition part and the inflation part, the sleeve ring and the airbag body are coaxially arranged, the sleeve ring is used for being sleeved on the outer circumference of the inner cylinder together with the fixing part, and the sleeve ring is used for supporting the inflation part.
In a possible implementation mode, a plurality of circles of grooves are uniformly distributed on the outer wall of the inner cylinder at the positions contacted with the fixing parts at intervals along the axial direction, and the fixing parts can be clamped in the grooves.
In a possible implementation mode, a plurality of circles of clamping protrusions are evenly distributed on the inner wall of the fixing portion at intervals, and the clamping protrusions can be adaptive to the clamping protrusions and clamped in the grooves to limit the axial movement of the fixing portion.
In a possible implementation manner, both ends of the airbag body are provided with limiting rings, and the limiting rings are used for limiting the locking position of the clamp and preventing the clamp from slipping off the fixing part.
In a possible implementation manner, a plurality of telescopic columns are uniformly distributed on the inner circumference of the joint between the transition part and the inflation part upwards, one end of each telescopic column is fixedly connected to the inner wall of the inflation part, the other end of each telescopic column is a free end and is used for abutting against the outer wall of the inner cylinder after the airbag body is sleeved on the outer circumference of the inner cylinder so as to support the inflation part, and the distance between the inflation part and the outer wall of the inner cylinder is adjusted by means of the plurality of telescopic columns so as to adjust the volume of the inflation chamber.
In a possible realization, the inflation pressure inside the inflation chamber is 0.8-1.5 bar.
In one possible implementation, the balloon body is made of hydrogenated nitrile rubber.
The rubber air bag for the rail locomotive shock absorber provided by the utility model has the beneficial effects that: compared with the prior art, the rubber airbag for the track locomotive shock absorber comprises the inner cylinder, the airbag body and the plurality of clamps, wherein the airbag body is sleeved on the outer circumference of the inner cylinder, the middle part of the airbag body and the outer wall of the inner cylinder are arranged at intervals to form the inflating cavity for storing gas, the plurality of clamps are arranged at two ends of the airbag body and used for enclosing and locking the airbag body to the upper outer circumference of the inner cylinder, the technical problems that the rubber airbag for the track locomotive shock absorber in the prior art is large in occupied space and low in gas storage efficiency are solved, the occupied space of the rubber airbag is small, the gas storage efficiency in the airbag is high under the same total volume of the shock absorber, and the technical effects that the connection structure of the airbag and the inner cylinder is simple, the stability is high and the use is durable are achieved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a rubber air bag for a shock absorber of a rail locomotive according to an embodiment of the present invention;
FIG. 2 is an enlarged view taken at A in FIG. 1;
FIG. 3 is a schematic structural view of a rubber bladder for a shock absorber of a railway locomotive according to another embodiment of the present invention;
FIG. 4 is an enlarged view of FIG. 3 at B;
fig. 5 is a sectional view taken at C-C in fig. 3.
Description of reference numerals:
1. an inner cylinder; 2. an airbag body; 21. a fixed part; 22. an inflation section; 23. a transition section; 3. clamping a hoop; 4. a plenum chamber; 5. a collar; 6. a groove; 7. clamping convex; 8. a limiting ring; 9. a telescopic column.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
Referring to fig. 1 to 5, a rubber air bag for a shock absorber of a railway locomotive according to the present invention will now be described. The rubber air bag for the track locomotive shock absorber comprises an inner cylinder 1, an air bag body 2 and a plurality of hoops 3, wherein the air bag body 2 is sleeved on the outer circumference of the inner cylinder 1, and an inflation chamber 4 for storing gas is formed between the middle part of the air bag body 2 and the outer wall of the inner cylinder 1 at intervals; a plurality of clamps 3 are all located 2 both ends of gasbag body for enclose on locking gasbag body 2 circumference on 1 to the inner casing.
Compared with the prior art, the rubber airbag for the track locomotive shock absorber provided by the utility model comprises an inner cylinder 1, an airbag body 2 and a plurality of clamps 3, wherein the airbag body 2 is sleeved on the outer circumference of the inner cylinder 1, an inflation cavity 4 for storing gas is formed between the middle part of the airbag body 2 and the outer wall of the inner cylinder 1 at intervals, and the clamps 3 are arranged at two ends of the airbag body 2 and used for enclosing and locking the airbag body 2 to the outer circumference of the inner cylinder 1.
In order to make the airbag contain a certain amount of gas, referred to as air herein, in some embodiments, referring to fig. 1 to 5, the airbag body 2 includes two fixing portions 21 and an inflating portion 22, the two fixing portions 21 are disposed at intervals and respectively abut against the outer circumference of the inner cylinder 1, and the outer circumference of the fixing portions 21 is sleeved with a hoop 3; the inflation part 22 is positioned between the two fixing parts 21, the inflation part 22 and the outer wall of the inner cylinder 1 are arranged at intervals, and an inflation chamber 4 is formed between the inflation part 22 and the inner cylinder 1. The gas is filled in the inflating chamber 4, the length of the inflating part 22 is greater than that of the fixing part 21 or the total length of the two fixing parts 21, and the fixing part 21 is in sealing connection with the outer wall of the inner cylinder 1, so that the gas cannot leak.
Specifically, be equipped with seal ring on the inner wall of fixed part 21, can play the technical effect with 1 outer wall of inner tube between sealing performance, prevent gas leakage, guarantee the result of use. The two fixing parts 21 and the inflating part 22 are of an integral structure, and when the rubber air bag is installed on the inner cylinder 1, the rubber air bag is integrally installed and sleeved on the outer circumference of the inner cylinder 1. At least two clamps 3 are used and fixed on the two fixing parts 21 respectively, the clamps 3 can be understood as hoops for holding the airbag body 2 tightly and fixing the airbag body on the outer wall of the inner cylinder 1, and the clamps 3 can be detached.
In order to realize a smooth transition between the fixing portion 21 and the inflating portion 22, in some embodiments, referring to fig. 1 to 5, the airbag body 2 further includes two transition portions 23, the inflating portion 22 is connected to the two fixing portions 21 through the two transition portions 23, the transition portions 23 are in a circular truncated cone shape, and an inner diameter of a connection portion with the inflating portion 22 is larger than an inner diameter of a connection portion with the fixing portions 21. The transition between the fixing portion 21 and the inflatable portion 22 is achieved by using two transition portions 23, the inner diameter of the transition portions 23 being larger at one end and smaller at the other end, the larger end being connected to the end of the inflatable portion 22.
In actual production, the two fixing portions 21, the inflating portion 22 and the two transition portions 23 are all integrally manufactured and formed, and are all a whole.
In order to prevent the contact between the inflation portion 22 and the outer wall of the inner tube 1 from affecting the inflation volume of the inflation chamber 4, in some embodiments, referring to fig. 1 to 5, a collar 5 is disposed at the junction between the transition portion 23 and the inflation portion 22, the collar 5 is disposed coaxially with the airbag body 2, the collar 5 is used for sleeving the fixing portion 21 on the outer circumference of the inner tube 1, and the collar 5 is used for supporting the inflation portion 22. The outer wall of the lantern ring 5 is fixedly connected to the inner wall of the inflating part 22, and the inner wall is used for abutting against the outer wall of the inner cylinder 1 after the air bag body 2 is installed on the inner cylinder 1, so that the effects of supporting and propping up the inflating part 22 are achieved, and the phenomena of collapse and the like of the inflating part 22 are prevented.
Specifically, the collar 5 is detachably attached to the inflated portion 22, or may be bonded to the inner wall of the inflated portion 22 by an adhesive or the like.
In order to achieve the connection stability between the fixing portion 21 and the outer wall of the inner casing 1 and improve the sealing effect, referring to fig. 1 to 5, in some embodiments, a plurality of circles of grooves 6 are uniformly distributed on the outer wall of the inner casing 1 at positions contacting with the fixing portion 21 along the axial direction at intervals, and the fixing portion 21 can be clamped in the grooves 6. The preferred form of the groove 6 is a semi-circular groove 6 or an inwardly concave arc-shaped slot body.
In some embodiments, referring to fig. 1 to 5, a plurality of circles of protrusions 7 are uniformly distributed on the inner wall of the fixing portion 21 at intervals, and the protrusions 7 are fittingly engaged in the grooves 6 to limit the axial movement of the fixing portion 21. Through making the protruding 7 joint of many circles of card in many circles recess 6 respectively one by one, can realize spacing and fixed to fixed part 21, then reuse clamp 3 is fixed this fixed part 21, just can realize firmly locking fixed part 21 on inner tube 1 outer circumference.
Specifically, the setting distance of the multi-circle groove 6 is equal to the setting distance of the multi-circle clamping protrusion 7, and one-to-one clamping can be realized. The clamping protrusion 7 is an arc protrusion protruding outwards and can be clamped in a matched manner or inserted into the groove 6, so that the effect or the effect of the limiting fixing part 21 is achieved.
In order to prevent the clamp 3 from slipping off the fixing portion 21 during use, in some embodiments, please refer to fig. 1 to 5, the airbag body 2 has two ends each having a limiting ring 8, and the limiting rings 8 are used for limiting the locking position of the clamp 3 and preventing the clamp 3 from slipping off the fixing portion 21. The limiting ring 8 can be regarded as a part of the structure of the airbag body 2, and plays a role of limiting the hoop 3, and the hoop 3 can only be installed and locked on the fixing part 21 between the limiting ring 8 and the inflating part 22.
In order to adjust the volume of the inflation chamber 4, in some embodiments, referring to fig. 1 to 5, a plurality of telescopic pillars 9 are uniformly distributed on the inner circumference of the joint between the transition portion 23 and the inflation portion 22, one end of each telescopic pillar 9 is fixedly connected to the inner wall of the inflation portion 22, the other end of each telescopic pillar is a free end, and the telescopic pillars 9 are used for abutting against the outer wall of the inner cylinder 1 after the airbag body 2 is sleeved on the outer circumference of the inner cylinder 1 to support the inflation portion 22, and the distance between the inflation portion 22 and the outer wall of the inner cylinder 1 is adjusted by the aid of the plurality of telescopic pillars 9, so that the volume of the inflation chamber 4 is adjusted. Six telescopic columns 9 are illustrated in the figure, and the number can be selected reasonably according to actual conditions. Before the airbag body 2 is mounted on the inner tube 1, the telescopic length of the telescopic column 9 is adjusted so that the distance between the inflating portion 22 and the outer wall of the inner tube 1 can be controlled, thereby adjusting the volume of the inflating chamber 4. Because the airbag body 2 is made of rubber and has a certain deformation, when the telescopic columns 9 are used, the inflating part 22 can be supported, and the telescopic lengths of the telescopic columns 9 are ensured to be the same.
Specifically, the telescopic column 9 comprises two rod bodies which are connected end to end and are inserted into each other, a jackscrew is arranged on one of the rod bodies, and the insertion position between the two rod bodies can be locked by screwing the jackscrew, so that the extension length of the telescopic column 9 and the volume of the inflation cavity 4 are controlled.
In some embodiments, referring to fig. 1-5, the inflation pressure inside the inflation chamber 4 is 0.8-1.5 bar. An inflation portion 22 which can inflate the inflation chamber 4 is provided on the airbag body 2.
In some embodiments, referring to fig. 1-5, the bladder body 2 is made of hydrogenated nitrile rubber and is vulcanized.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides a rubber air bag for rail locomotive bumper shock absorber, is located the oil storage intracavity between inner cylinder and the outer steel, its characterized in that includes:
an inner cylinder;
the airbag body is sleeved on the outer circumference of the inner cylinder, and an inflation cavity for storing gas is formed between the middle part of the airbag body and the outer wall of the inner cylinder at intervals; and
and the plurality of clamps are arranged at two ends of the air bag body and used for encircling and locking the air bag body to the outer circumference of the inner cylinder.
2. The rubber air bag for a railway locomotive shock absorber according to claim 1, wherein the air bag body comprises:
the two fixing parts are arranged at intervals and respectively attached to the outer circumference of the inner cylinder, and the clamp is sleeved on the outer circumference of the fixing parts; and
the inflation part is located between the two fixing parts, the inflation part and the inner cylinder outer wall are arranged at intervals, and the inflation chamber is formed between the inflation part and the inner cylinder.
3. The rubber air bag for a railway locomotive shock absorber according to claim 2, further comprising two transition portions, wherein the inflating portion is connected to the two fixing portions through the two transition portions, respectively, the transition portions are in a truncated cone shape, and the inner diameter of the connecting portion with the inflating portion is larger than the inner diameter of the connecting portion with the fixing portions.
4. The rubber air bag for the shock absorber of the railway locomotive according to claim 3, wherein a collar is arranged at the joint between the transition part and the inflation part, the collar is coaxially arranged with the air bag body, the collar is used for being sleeved on the outer circumference of the inner cylinder together with the fixing part, and the collar is used for supporting the inflation part.
5. The rubber air bag for the shock absorber of the railway locomotive as claimed in claim 2, wherein the outer wall of the inner cylinder is provided with a plurality of circles of grooves at positions in contact with the fixing parts at intervals along the axial direction, and the fixing parts can be clamped in the grooves.
6. The rubber air bag for the shock absorber of the railway locomotive as claimed in claim 5, wherein a plurality of circles of clamping protrusions are uniformly distributed on the inner wall of the fixing portion at intervals, and the clamping protrusions can be clamped in the grooves in a matching mode so as to limit the axial movement of the fixing portion.
7. The rubber air bag for a railway locomotive shock absorber as claimed in claim 2, wherein both ends of the air bag body are provided with a limiting ring for limiting the locking position of the clamp and preventing the clamp from slipping off the fixing portion.
8. The rubber airbag for the shock absorber of the rail locomotive as claimed in claim 3, wherein a plurality of telescopic columns are uniformly distributed on the inner circumference of the joint between the transition portion and the inflation portion, one end of each telescopic column is fixedly connected to the inner wall of the inflation portion, the other end of each telescopic column is a free end and is used for abutting against the outer wall of the inner cylinder after the airbag body is sleeved on the outer circumference of the inner cylinder so as to support the inflation portion, and the distance between the inflation portion and the outer wall of the inner cylinder is adjusted by means of the plurality of telescopic columns so as to adjust the volume of the inflation chamber.
9. The rubber air bag for the shock absorber of the railway locomotive according to claim 1, wherein the inflation pressure inside the inflation chamber is 0.8-1.5 bar.
10. The rubber bladder for a shock absorber of a railway vehicle as claimed in claim 1, wherein the bladder body is made of hydrogenated nitrile rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123027182.6U CN216555107U (en) | 2021-12-03 | 2021-12-03 | Rubber air bag for rail locomotive shock absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123027182.6U CN216555107U (en) | 2021-12-03 | 2021-12-03 | Rubber air bag for rail locomotive shock absorber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216555107U true CN216555107U (en) | 2022-05-17 |
Family
ID=81538549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123027182.6U Active CN216555107U (en) | 2021-12-03 | 2021-12-03 | Rubber air bag for rail locomotive shock absorber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216555107U (en) |
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2021
- 2021-12-03 CN CN202123027182.6U patent/CN216555107U/en active Active
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