CN205047727U - Oil pressure shock absorber for locomotive - Google Patents
Oil pressure shock absorber for locomotive Download PDFInfo
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- CN205047727U CN205047727U CN201520675293.3U CN201520675293U CN205047727U CN 205047727 U CN205047727 U CN 205047727U CN 201520675293 U CN201520675293 U CN 201520675293U CN 205047727 U CN205047727 U CN 205047727U
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- piston
- block key
- piston rod
- guidance
- key
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Abstract
The utility model discloses an oil pressure shock absorber for locomotive, including the pressure cylinder, a piston, the piston valve block, circular cone coil spring, guidance and piston rod, the piston is installed in the pressure cylinder, the guidance compresses tightly in the pressure cylinder tip, the piston valve is on chip in the tip of piston, piston rod one end and piston threaded connection, the other end cup joints with the guidance, circular cone coil spring locates between piston rod and the piston valve block, it is equipped with the backstop parts to overlap between piston valve block and guidance on the piston rod, the backstop part is including keeping off the key, keep off key cap and spacing collar, the spacing collar, keep off the key cap and keep off the key and adorn on the piston rod in proper order by circular cone coil spring end, it covers in keeping off the key outside and keeping off and leave the clearance between the key to keep off the key cap. This shock absorber have construct simple reliable, bear the weight of the reinforce, can prevent the advantage that spare part damaged in the cylinder body.
Description
Technical field
The utility model relates generally to locomotive damping technology, particularly relates to a kind of locomotive oil-pressure damper.
Background technique
Rolling stock bogie comprises bogie frame, the wheel of its framework and frame underneath is equiped with vibration damper between axle box, as shown in Figure 1, the main composition of its vibration damper has: pressure cylinder 1, piston 2, piston valve 3, conical helical spring 4, guidance 5, piston rod 6.Piston 2 is threaded connection on piston rod 6, when piston rod 6 to-and-fro motion, with part to-and-fro motion in pressure cylinder 1 such as piston 2, piston valve 3, conical helical springs 4.Under some operating mode (during as bogie handling), piston rod 6 need be stretched to end limits position, and its conical helical spring 4 touches guidance 5, causes the damages such as conical helical spring 4, piston valve 3, piston 2.
Model utility content
The technical problems to be solved in the utility model overcomes the deficiencies in the prior art, provides the locomotive oil-pressure damper that a kind of simple and reliable for structure, bearing capacity is strong, can prevent damage of components in cylinder body.
For solving the problems of the technologies described above, the utility model by the following technical solutions:
A kind of locomotive oil-pressure damper, comprise pressure cylinder, piston, piston valve, conical helical spring, guidance and piston rod, described piston is installed in pressure cylinder, described guidance is pressed in cylinder, described piston valve is loaded on the end of piston, described piston rod one end is connected with piston thread, the other end and guidance are socketed, described conical helical spring is located between piston rod and piston valve, described piston rod is set with backstopping assembly between piston valve and guidance, described backstopping assembly comprises block key, block key cap and position limit cycle, described position limit cycle, block key cap and block key are loaded on piston rod successively by conical helical spring end, described block key calotte also and between block key leaves gap in block key outside.
Further improvement as technique scheme:
Described piston rod offers keyway, described block key and described keyway clamping.
Described piston rod offers draw-in groove, described position limit cycle and described draw-in groove clamping.
Described position limit cycle is elastic spacing circle.
Described block key is subsection setup and is at least set to two sections, and each section of block key is stuck in described block key piston rod being formed ring-type.
Compared with prior art, the utility model has the advantage of:
Locomotive oil-pressure damper of the present utility model, piston rod is set with backstopping assembly between piston valve and guidance, backstopping assembly comprises block key, block key cap and position limit cycle, position limit cycle, block key cap and block key are loaded on piston rod successively by conical helical spring end, and block key calotte also and between block key leaves gap in block key outside.In this structure, when piston rod is stretched to limit position, block key contacts with guidance, and limited piston bar continues to stretch, and prevent the parts such as conical helical spring, piston valve, piston damaged and lose vibration-damping function, it is simple and reliable for structure; And; block key calotte is outside in block key; can prevent block key from coming off, it is mobile that position limit cycle can prevent again block key cap from producing, and block key bears thrust load; gap is left between block key and block key cap; this thrust load can not be passed on block key cap and position limit cycle, protect block key cap and position limit cycle, block key is face with guidance and block key with piston rod and contacts; force-bearing situation is better, can bear larger thrust load.
Accompanying drawing explanation
Fig. 1 is the structural representation of vibration damper in prior art.
Fig. 2 is the structural representation of the utility model locomotive oil-pressure damper.
Fig. 3 is the A place structure for amplifying schematic diagram of Fig. 2.
Fig. 4 is the end structure for amplifying schematic diagram of piston rod in the utility model locomotive oil-pressure damper,
Fig. 5 is the structural representation of block key in the utility model locomotive oil-pressure damper.
In figure, each label represents:
1, pressure cylinder; 2, piston; 3, piston valve; 4, conical helical spring; 5, guidance; 6, piston rod; 61, keyway; 62, draw-in groove; 7, backstopping assembly; 71, block key; 72, block key cap; 73, position limit cycle; 8, gap.
Embodiment
Below with reference to Figure of description and specific embodiment, the utility model is described in further details.
Fig. 2 to Fig. 5 shows a kind of embodiment of the utility model locomotive oil-pressure damper, comprise pressure cylinder 1, piston 2, piston valve 3, conical helical spring 4, guidance 5 and piston rod 6, piston 2 is installed in pressure cylinder 1, described guidance 5 is pressed in pressure cylinder 1 end, piston valve 3 is loaded on the end of piston 2, piston rod 6 one end is threaded with piston 2, the other end and guidance 5 are socketed, conical helical spring 4 is located between piston rod 6 and piston valve 3, piston rod 6 is set with backstopping assembly 7 between piston valve 3 and guidance 5, backstopping assembly 7 comprises block key 71, block key cap 72 and position limit cycle 73, position limit cycle 73, block key cap 72 and block key 71 are loaded on piston rod 6 by conical helical spring 4 end successively, block key cap 72 covers in block key 71 outside and and leaves gap 8 between block key 71.In this structure, when piston rod 6 is stretched to limit position, block key 71 contacts with guidance 5, and limited piston bar 6 continues to stretch, and prevent the parts such as conical helical spring 4, piston valve 3, piston 2 damaged and lose vibration-damping function, it is simple and reliable for structure; And; it is outside that block key cap 72 covers in block key 71; can prevent block key 71 from coming off, it is mobile that position limit cycle 73 can prevent again block key cap 72 from producing, and block key 71 bears thrust load; gap 8 is left between block key 71 and block key cap 72; this thrust load can not be passed on block key cap 72 and position limit cycle 73, protect block key cap 72 and position limit cycle 73, block key 71 is face with guidance 5 and block key 71 with piston rod 6 and contacts; force-bearing situation is better, can bear larger thrust load.
In the present embodiment, piston rod 6 offers keyway 61, block key 71 and keyway 61 clamping.In this structure, this block key 71 coordinates clamping with keyway 61, ensure that block key 71 and the join strength of piston rod 6 on the one hand, makes backstop process more reliable and stable; On the other hand, further increase the area of contact of block key 71 and piston rod 6, its thrust load that can bear also greatly promotes.
In the present embodiment, piston rod 6 is offered draw-in groove 62, position limit cycle 73 and draw-in groove 62 clamping.This position limit cycle 73 coordinates clamping with draw-in groove 62, ensure that the join strength of position limit cycle 73 and piston rod 6, and can prevent block key cap 72 from producing mobile, it is simple and reliable for structure.
In the present embodiment, position limit cycle 73 is elastic spacing circle.This elastic spacing circle can produce deformation, is convenient to the installation and removal in draw-in groove 62.
In the present embodiment, block key 71 is subsection setup and is at least set to two sections, and each section of block key 71 is stuck in the block key 71 piston rod 6 being formed ring-type.Such setting, makes not need to move along piston rod 6 to install, and substantially increases the convenience that block key 71 is installed.
Although the utility model discloses as above with preferred embodiment, but and be not used to limit the utility model.Any those of ordinary skill in the art, when not departing from technical solutions of the utility model scope, the technology contents of above-mentioned announcement all can be utilized to make many possible variations and modification to technical solutions of the utility model, or be revised as the Equivalent embodiments of equivalent variations.Therefore, every content not departing from technical solutions of the utility model, according to the utility model technical spirit to any simple modification made for any of the above embodiments, equivalent variations and modification, all should drop in the scope of technical solutions of the utility model protection.
Claims (6)
1. a locomotive oil-pressure damper, comprise pressure cylinder (1), piston (2), piston valve (3), conical helical spring (4), guidance (5) and piston rod (6), described piston (2) is installed in pressure cylinder (1), described guidance (5) is pressed in pressure cylinder (1) end, described piston valve (3) is loaded on the end of piston (2), described piston rod (6) one end is threaded with piston (2), the other end and guidance (5) are socketed, described conical helical spring (4) is located between piston rod (6) and piston valve (3), it is characterized in that: described piston rod (6) is set with backstopping assembly (7) between piston valve (3) and guidance (5), described backstopping assembly (7) comprises block key (71), block key cap (72) and position limit cycle (73), described position limit cycle (73), block key cap (72) and block key (71) are held by conical helical spring (4) and are loaded on piston rod (6) successively, described block key cap (72) covers in block key (71) outside and and leaves gap (8) between block key (71).
2. locomotive oil-pressure damper according to claim 1, is characterized in that: described piston rod (6) offers keyway (61), described block key (71) and described keyway (61) clamping.
3. locomotive oil-pressure damper according to claim 2, is characterized in that: described piston rod (6) is offered draw-in groove (62), described position limit cycle (73) and described draw-in groove (62) clamping.
4. locomotive oil-pressure damper according to any one of claim 1 to 3, is characterized in that: described position limit cycle (73) is elastic spacing circle.
5. locomotive oil-pressure damper according to any one of claim 1 to 3, is characterized in that: described block key (71) is in subsection setup and be at least set to two sections, and each section of block key (71) is stuck in the upper described block key (71) forming ring-type of piston rod (6).
6. locomotive oil-pressure damper according to claim 4, is characterized in that: described block key (71) is in subsection setup and be at least set to two sections, and each section of block key (71) is stuck in the upper described block key (71) forming ring-type of piston rod (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520675293.3U CN205047727U (en) | 2015-09-02 | 2015-09-02 | Oil pressure shock absorber for locomotive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520675293.3U CN205047727U (en) | 2015-09-02 | 2015-09-02 | Oil pressure shock absorber for locomotive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205047727U true CN205047727U (en) | 2016-02-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520675293.3U Active CN205047727U (en) | 2015-09-02 | 2015-09-02 | Oil pressure shock absorber for locomotive |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205047727U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108790977A (en) * | 2018-07-09 | 2018-11-13 | 葛成侠 | A method of improving car comfort |
-
2015
- 2015-09-02 CN CN201520675293.3U patent/CN205047727U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108790977A (en) * | 2018-07-09 | 2018-11-13 | 葛成侠 | A method of improving car comfort |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: The age of 412001 in Hunan Province, Zhuzhou Shifeng District Road No. 169 Patentee after: ZHUZHOU CRRC TIMES EQUIPMENT TECHNOLOGY Co.,Ltd. Address before: The age of 412001 in Hunan Province, Zhuzhou Shifeng District Road No. 169 Patentee before: ZHUZHOU TIMES EQUIPMENT TECHNOLOGY Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171205 Address after: The age of 412001 in Hunan Province, Zhuzhou Shifeng District Road No. 169 Patentee after: ZHUZHOU CRRC TIMES ELECTRIC Co.,Ltd. Address before: The age of 412001 in Hunan Province, Zhuzhou Shifeng District Road No. 169 Patentee before: ZHUZHOU CRRC TIMES EQUIPMENT TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right |