CN204387002U - A kind of double-telescopic upright post device laid for railway - Google Patents
A kind of double-telescopic upright post device laid for railway Download PDFInfo
- Publication number
- CN204387002U CN204387002U CN201420760886.5U CN201420760886U CN204387002U CN 204387002 U CN204387002 U CN 204387002U CN 201420760886 U CN201420760886 U CN 201420760886U CN 204387002 U CN204387002 U CN 204387002U
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- cylinder
- ring
- hydraulic fluid
- fluid port
- secondary cylinder
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Abstract
The utility model discloses a kind of double-telescopic upright post device laid for railway, comprise first-stage cylinder, secondary cylinder, piston column, bottom valve; Described first-stage cylinder is arranged on the outside of device; Described secondary cylinder is arranged on the inner side of device; Described piston column is arranged on the inside of described secondary cylinder; Described bottom valve is arranged on the left side of described secondary cylinder; The right side of described first-stage cylinder and described secondary cylinder is provided with cylinder cap and dust ring; Outer card key, support ring, guide sleeve is provided with between described first-stage cylinder and described secondary cylinder; Described outer card key is provided with piston guide ring; The right side of described support ring is provided with accurate envelope; Described guide sleeve above guide ring is installed, be provided with back-up ring described guide sleeve below, the right side of described guide sleeve is provided with snap ring, and the utility model structure is simply, reasonable in design, long service life, and cost is low, can effective energy saving.
Description
Technical field
The utility model belongs to technical field of mechanical equipment, is specifically related to a kind of double-telescopic upright post device laid for railway.
Background technique
At present, China railways development rapidly, the double-telescopic upright post device laid for railway is varied, but still there is a lot of problem, application number is the Chinese patent of 201410253705.4, particular content is: hydraulic support double-telescopic upright post is by one-level telescopic column, secondary telescopic column forms, one-level telescopic column comprises the first cylinder body, second cylinder body, built-in bottom valve, guide ring, accurate envelope, hydraulic fluid port a, hydraulic fluid port b, the side of the outer wall of the inwall of built-in bottom valve in the first cylinder body bottom and the second cylinder body bottom, opposite side is equipped with guide ring, static seal is contained between the inwall of the first cylinder body front end and the outer wall of the second cylinder body front end, hydraulic fluid port a is provided with in the neutral position of the outer wall of the first cylinder body, hydraulic fluid port b is in the front position of the outer wall of the first cylinder body, secondary telescopic column comprises the second cylinder body, piston column, piston seal, rod seal, hydraulic fluid port c, piston seal is contained between the outer wall of piston column bottom and the inwall of the second cylinder body bottom, rod seal is contained between the front end of the second inboard wall of cylinder block and the front end of piston column outer wall, has hydraulic fluid port c in the front end of piston column.Present invention reduces the cost of product, reach energy saving object, achieve the economic benefit of energy-saving and emission-reduction.The utility model parts have the advantage of above-mentioned patent, and structure is simple, reasonable in design, long service life, and cost is low, can effective energy saving, have more superior performance.
Summary of the invention
In order to solve above-mentioned Problems existing, the utility model provides a kind of structure simple, reasonable in design, long service life, and cost is low, can the double-telescopic upright post device of effective energy saving.
The utility model is achieved through the following technical solutions:
For the double-telescopic upright post device that railway is laid, comprise first-stage cylinder, secondary cylinder, piston column, bottom valve; Described first-stage cylinder is arranged on the outside of device; Described secondary cylinder is arranged on the inner side of device; Described piston column is arranged on the inside of described secondary cylinder; Described bottom valve is arranged on the left side of described secondary cylinder; The right side of described first-stage cylinder and described secondary cylinder is provided with cylinder cap and dust ring; Outer card key, support ring, guide sleeve is provided with between described first-stage cylinder and described secondary cylinder; Described outer card key is provided with piston guide ring; The right side of described support ring is provided with accurate envelope; Be provided with guide ring above described guide sleeve, be provided with back-up ring below described guide sleeve, the right side of described guide sleeve is provided with snap ring.
As further optimized project of the present utility model, the top of described first-stage cylinder is provided with hydraulic fluid port a; The right side of described piston column is provided with hydraulic fluid port b; The below of described first-stage cylinder is provided with hydraulic fluid port c.
As further optimized project of the present utility model, the side of described hydraulic fluid port a and hydraulic fluid port c is provided with valve, and the opening upwards of described hydraulic fluid port b is given prominence to.
Compared with prior art, the beneficial effects of the utility model are: the utility model structure is simple, reasonable in design, long service life, and cost is low, can effective energy saving.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is left view of the present utility model;
Fig. 3 is hydraulic fluid port a structural representation of the present utility model;
Fig. 4 is hydraulic fluid port c structural representation of the present utility model.
In figure: 1, first-stage cylinder; 2, secondary cylinder; 3, outer card key; 4, piston guide ring; 5, support ring; 6, accurate envelope; 7, piston column; 8, guide ring; 9, back-up ring; 10, guide sleeve; 11, snap ring; 12, cylinder cap; 13, dust ring; 14, bottom valve; 15, hydraulic fluid port a; 16, hydraulic fluid port b; 17, hydraulic fluid port c; 18, valve.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the utility model is described in further detail:
As shown in Figure 1, Figure 2, Figure 3, Figure 4, a kind of double-telescopic upright post device laid for railway, comprises first-stage cylinder 1, secondary cylinder 2, piston column 7, bottom valve 14; Described first-stage cylinder 1 is arranged on the outside of device; Described secondary cylinder 2 is arranged on the inner side of device; Described piston column 7 is arranged on the inside of described secondary cylinder 2; Described bottom valve 14 is arranged on the left side of described secondary cylinder 2; Described first-stage cylinder 1 is provided with cylinder cap 12 and dust ring 13 with the right side of described secondary cylinder 2; Outer card key 3, support ring 5, guide sleeve 10 is provided with between described first-stage cylinder 1 and described secondary cylinder 2; Described outer card key 3 is provided with piston guide ring 84; The right side of described support ring 5 is provided with accurate envelope 6; Be provided with guide ring 8 above described guide sleeve 10, be provided with back-up ring 9 below described guide sleeve 10, the right side of described guide sleeve 10 is provided with snap ring 11; The top of described first-stage cylinder 1 is provided with hydraulic fluid port a15; The right side of described piston column 7 is provided with hydraulic fluid port b16; The below of described first-stage cylinder 1 is provided with hydraulic fluid port c17; The side of described hydraulic fluid port a15 and hydraulic fluid port c17 is provided with valve 18, and the opening upwards of described hydraulic fluid port b16 is given prominence to.
The utility model is when work, and can be refueled to device inside by described hydraulic fluid port a15, by described hydraulic fluid port c17, the oil of device inside is outwards flowed out, described valve 18 can control the flow velocity of oil; Described precision envelope 6 and described dust ring 13 make the sealability of device better, can working life of effective extension fixture.The utility model structure is simple, reasonable in design, long service life, and cost is low, can effective energy saving.
More than show and describe basic principle of the present utility model, major character and advantage.The technician of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and effect thing thereof.
Claims (3)
1., for the double-telescopic upright post device that railway is laid, it is characterized in that: comprise first-stage cylinder, secondary cylinder, piston column, bottom valve; Described first-stage cylinder is arranged on the outside of device; Described secondary cylinder is arranged on the inner side of device; Described piston column is arranged on the inside of described secondary cylinder; Described bottom valve is arranged on the left side of described secondary cylinder; The right side of described first-stage cylinder and described secondary cylinder is provided with cylinder cap and dust ring; Outer card key, support ring, guide sleeve is provided with between described first-stage cylinder and described secondary cylinder; Described outer card key is provided with piston guide ring; The right side of described support ring is provided with accurate envelope; Be provided with guide ring above described guide sleeve, be provided with back-up ring below described guide sleeve, the right side of described guide sleeve is provided with snap ring.
2. a kind of double-telescopic upright post device laid for railway according to claim 1, is characterized in that: the top of described first-stage cylinder is provided with hydraulic fluid port a; The right side of described piston column is provided with hydraulic fluid port b; The below of described first-stage cylinder is provided with hydraulic fluid port c.
3. a kind of double-telescopic upright post device laid for railway according to claim 2, is characterized in that: the side of described hydraulic fluid port a and hydraulic fluid port c is provided with valve, and the opening upwards of described hydraulic fluid port b is given prominence to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420760886.5U CN204387002U (en) | 2014-12-05 | 2014-12-05 | A kind of double-telescopic upright post device laid for railway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420760886.5U CN204387002U (en) | 2014-12-05 | 2014-12-05 | A kind of double-telescopic upright post device laid for railway |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204387002U true CN204387002U (en) | 2015-06-10 |
Family
ID=53359726
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420760886.5U Expired - Fee Related CN204387002U (en) | 2014-12-05 | 2014-12-05 | A kind of double-telescopic upright post device laid for railway |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204387002U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104405724A (en) * | 2014-12-05 | 2015-03-11 | 成都欧莱特自动化控制工程有限公司 | Double-telescopic upright post device for laying railway |
-
2014
- 2014-12-05 CN CN201420760886.5U patent/CN204387002U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104405724A (en) * | 2014-12-05 | 2015-03-11 | 成都欧莱特自动化控制工程有限公司 | Double-telescopic upright post device for laying railway |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150610 Termination date: 20151205 |
|
| EXPY | Termination of patent right or utility model |