CN202023569U - Multi-sealing single hydraulic prop - Google Patents
Multi-sealing single hydraulic prop Download PDFInfo
- Publication number
- CN202023569U CN202023569U CN2011200856023U CN201120085602U CN202023569U CN 202023569 U CN202023569 U CN 202023569U CN 2011200856023 U CN2011200856023 U CN 2011200856023U CN 201120085602 U CN201120085602 U CN 201120085602U CN 202023569 U CN202023569 U CN 202023569U
- Authority
- CN
- China
- Prior art keywords
- oil cylinder
- hydraulic prop
- post
- base
- movable column
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to a multi-sealing single hydraulic prop which is mainly used for supporting the top plate of the underground coal face of a mine, and comprises an oil cylinder. The lower end of the oil cylinder is connected with a base, a movable column is sheathed in the oil cylinder, the upper end of the movable column is connected with a column cap, and a three-way valve is transversely inserted on the movable column. Two O-shaped sealing rings are sealed between the base and the oil cylinder, and two Y-shaped sealing rings are sealed between the movable column and the oil cylinder. By the multi-sealing single hydraulic prop, the sealing effect is improved greatly, the use is safe and reliable, the service life is long, and the accidents are reduced.
Description
Technical field
The utility model relates to a kind of many sealings hydraulic prop that the coal-face roof timbering is used under the coal mine that is mainly used in.
Background technology
In prior art, mine individual hydraulic prop by the base, the oil cylinder that connect in turn, be enclosed within in-oil cylinder post alive and the cap of the post upper end of living, on the post of living horizontal slotting triple-use valve is arranged.Base adopts the sealing of O RunddichtringO with oil cylinder, and the post of living adopts the y-type seal ring sealing with oil cylinder.Its shortcoming is that sealing effectiveness is poor, often causes seal failure at this.
The utility model content
Order of the present utility model is to provide a kind of sealing effectiveness better many sealing hydraulic props at above-mentioned deficiency.
The technical solution of the utility model is: seal hydraulic prop more, comprise oil cylinder, the oil cylinder lower end is connected with base, is with post alive in the oil cylinder, and the post upper end of living is connected with cap, the horizontal triple-use valve that is inserted with on the post of living.Two road O RunddichtringO sealings are arranged between base and the oil cylinder, and living has two road y-type seal ring sealings between post and the oil cylinder.
The utility model has the advantages that: base and oil cylinder adopt two road O RunddichtringO sealings, and live post and oil cylinder adopt two road y-shaped ring sealings, have improved sealing effectiveness greatly, satisfy normal instructions for use, pillar is safe in utilization, reliable, and the life-span is long, and the minimizing accident takes place.
Below in conjunction with accompanying drawing the utility model is described in further detail:
Description of drawings
Accompanying drawing is the utility model structure diagram.
The specific embodiment
Referring to accompanying drawing, seal more hydraulic prop by the base 1, the oil cylinder 2 that connect in turn, be enclosed within post alives 3 in the oil cylinder 2, be enclosed within the handgrip body 10 on the oil cylinder 2 and the cap 4 of work post 3 upper ends.On the post 3 alive horizontal slotting triple-use valve 5 is arranged, base 1 adopts 6,7 sealings of two road O RunddichtringOs with oil cylinder 2, and live post 3 and oil cylinder 2 adopt 8,9 sealings of two road y-type seal rings.
Claims (1)
1. seal hydraulic prop one kind more, comprise oil cylinder (2), oil cylinder (2) lower end is connected with base (1), be with post alive (3) in the oil cylinder (2), post alive (3) upper end is connected with cap (4), the post (3) of living is gone up the horizontal triple-use valve (5) that is inserted with, and it is characterized in that two road O RunddichtringOs (6,7) are arranged between base (1) and the oil cylinder (2), and living has two road y-type seal rings (8,9) between post (3) and the oil cylinder (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200856023U CN202023569U (en) | 2011-03-29 | 2011-03-29 | Multi-sealing single hydraulic prop |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200856023U CN202023569U (en) | 2011-03-29 | 2011-03-29 | Multi-sealing single hydraulic prop |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202023569U true CN202023569U (en) | 2011-11-02 |
Family
ID=44848521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200856023U Expired - Fee Related CN202023569U (en) | 2011-03-29 | 2011-03-29 | Multi-sealing single hydraulic prop |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202023569U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103174442A (en) * | 2013-03-30 | 2013-06-26 | 淮北安来机电装备有限公司 | Exchangeable three-use valve cylinder base of mining single hydraulic prop |
-
2011
- 2011-03-29 CN CN2011200856023U patent/CN202023569U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103174442A (en) * | 2013-03-30 | 2013-06-26 | 淮北安来机电装备有限公司 | Exchangeable three-use valve cylinder base of mining single hydraulic prop |
| CN103174442B (en) * | 2013-03-30 | 2016-12-14 | 淮北安来机电装备有限公司 | Exchangeable three-use valve cylinder base of mining single hydraulic prop |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111102 Termination date: 20190329 |