CN203906793U - Pushing oil cylinder piston rod sealing structure in ash moistening pump - Google Patents
Pushing oil cylinder piston rod sealing structure in ash moistening pump Download PDFInfo
- Publication number
- CN203906793U CN203906793U CN201420326891.5U CN201420326891U CN203906793U CN 203906793 U CN203906793 U CN 203906793U CN 201420326891 U CN201420326891 U CN 201420326891U CN 203906793 U CN203906793 U CN 203906793U
- Authority
- CN
- China
- Prior art keywords
- oil cylinder
- piston
- rear end
- cylinder block
- ring
- 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
Links
- 238000007789 sealing Methods 0.000 title abstract description 14
- 239000002131 composite material Substances 0.000 claims abstract description 8
- 210000004907 gland Anatomy 0.000 claims description 18
- 239000000428 dust Substances 0.000 claims description 3
- 230000007547 defect Effects 0.000 abstract 1
- 239000003245 coal Substances 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Landscapes
- Sealing Devices (AREA)
Abstract
The utility model discloses a pushing oil cylinder piston rod sealing structure in an ash moistening pump. The pushing oil cylinder piston rod sealing structure comprises an oil cylinder body and a pushing rod, the pushing rod is arranged in the oil cylinder body, a piston is fixedly arranged at the rear end of the pushing rod, the piston is fixedly connected with the pushing rod through a bolt, a supporting ring and a piston ring are arranged between the piston and the inner wall of the oil cylinder body, an O-type sealing ring is arranged between the inner wall of the piston and the pushing rod, a rear end cover is arranged at the rear end of the oil cylinder body, a front end cover is arranged at the front end of the oil cylinder body, and the rear end of the front end cover is connected with a sealing sleeve. The sealing sleeve is in embedded type connection with the oil cylinder body, an O-type sealing ring is arranged between the sealing sleeve and the inner wall of the oil cylinder body, a guide sleeve is arranged at the rear end of the sealing sleeve, a composite bearing is arranged between the inner wall of the guide sleeve and the pushing rod, and a clamping spring for a hole is arranged at the rear end of the composite bearing. The pushing oil cylinder piston rod sealing structure overcomes defects in the prior art, the design structure is compact, the double-sealing is carried out on the pushing rod and the two ends of the cylinder body through the end covers and the sealing rings, the pushing oil cylinder piston rod sealing structure can resist pressure and high temperature, the guide sleeve is arranged in the oil cylinder body, it is ensured that the pushing rod runs to be accurately located, and use is reliable.
Description
Technical field
The utility model relates to mechanical part technical field of sealing technology, specifically belongs in wet grey pump and pushes oil cylinder piston rod seal structure.
Background technique
There is pair system of coal slime comprehensive utilization in current near coal-mine power plant, and it is that washing coal yard coal slime (moisture approximately 30%) is out delivered to circulating fluidized bed boiler by coal slime transporting system, enters boiler by top, dries and burns.Wherein in coal slime course of conveying, will use for a long time wet grey pump, push oil cylinder frequency of utilization high in wet grey pump, motion speed is fast, longevity of service, operating conditions badly waits features, easily causes cylinder piston rod seal failure, operating time shortening etc., the working life of reducing excavator oil cylinder.
Model utility content
The purpose of this utility model has been to provide in wet grey pump and has pushed oil cylinder piston rod seal structure, the deficiencies in the prior art are overcome, project organization compactness, by between push rod and cylinder body two end part by end cap and seal ring, carry out double seal, withstand voltage high temperature resistant, in its cylinder block, be provided with guide sleeve, ensure accurately location of push rod operation, use reliable.
The technical solution adopted in the utility model is as follows:
In wet grey pump, push oil cylinder piston rod seal structure, comprise cylinder block and push rod, push rod is arranged in cylinder block, described putting back-end is fixed with piston, piston and push rod are bolted fixing, between piston and cylinder block inwall, be provided with support ring and piston ring, piston is connected by embedded with putting back-end, O RunddichtringO between piston inner wall and push rod, cylinder block rear end is provided with rear end cover, front end is provided with front cover, front cover rear end connects stuffing box gland, stuffing box gland is connected with cylinder block is embedded, between stuffing box gland and cylinder block inwall, be provided with O RunddichtringO, between push rod and front cover inwall, be provided with dust ring, y-type seal ring and supporting ring, between push rod and stuffing box gland inwall, be provided with V-shaped seal ring, stuffing box gland rear end is provided with guide sleeve, between guide sleeve inwall and push rod, be provided with composite bearing, composite bearing rear end is provided with hole jump ring.
Between described stuffing box gland and guide sleeve, surface of contact is taper.
Between described rear end cover and cylinder block inwall, be also provided with OE RunddichtringO.
Described cylinder block is provided with oil hole.
Compared with the prior art, the beneficial effects of the utility model are as follows:
The utility model by between push rod and cylinder body two end part by end cap and seal ring, carry out double seal, withstand voltage high temperature resistant, in its cylinder block, be provided with guide sleeve, ensure accurately location of push rod operation, use reliable, cylinder block is provided with pouring orifice, is convenient to add glossy changing, and reduces maintenance cost.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
Referring to accompanying drawing, in wet grey pump, push oil cylinder piston rod seal structure, comprise cylinder block 1 and push rod 2, push rod 2 is arranged in cylinder block 1, described putting back-end is fixed with piston 3, piston 3 is bolted fixing with push rod 2, between piston 3 and cylinder block 1 inwall, be provided with support ring 4 and piston ring 5, piston 3 is connected by embedded with push rod 2 rear ends, O RunddichtringO 6 between piston 3 inwalls and push rod 2, cylinder block 1 rear end is provided with rear end cover 7, front end is provided with front cover 8, front cover 8 rear ends connect stuffing box gland 9, stuffing box gland 9 is connected with cylinder block 1 is embedded, between stuffing box gland 9 and cylinder block 1 inwall, be provided with O RunddichtringO 6, between push rod 5 and front cover 8 inwalls, be provided with dust ring 10, y-type seal ring 11 and supporting ring 12, between push rod 2 and stuffing box gland 9 inwalls, be provided with V-shaped seal ring 13, stuffing box gland 9 rear ends are provided with guide sleeve 14, between stuffing box gland 9 and guide sleeve 14, surface of contact is taper, between guide sleeve 14 inwalls and push rod 2, be provided with composite bearing 15, composite bearing rear end is provided with jump ring 16 for hole, between rear end cover 7 and cylinder block 1 inwall, be also provided with OE RunddichtringO 17, cylinder block is provided with oil hole 101.By between push rod and cylinder body two end part by end cap and seal ring, carry out double seal, withstand voltage high temperature resistant, in its cylinder block, be provided with guide sleeve, ensure accurately location of push rod operation, use reliable, cylinder block is provided with pouring orifice, is convenient to add glossy changing, and reduces maintenance cost.
Claims (4)
1. in wet grey pump, push oil cylinder piston rod seal structure, comprise cylinder block and push rod, push rod is arranged in cylinder block, it is characterized in that: described putting back-end is fixed with piston, piston and push rod are bolted fixing, between piston and cylinder block inwall, be provided with support ring and piston ring, piston is connected by embedded with putting back-end, O RunddichtringO between piston inner wall and push rod, cylinder block rear end is provided with rear end cover, front end is provided with front cover, front cover rear end connects stuffing box gland, stuffing box gland is connected with cylinder block is embedded, between stuffing box gland and cylinder block inwall, be provided with O RunddichtringO, between push rod and front cover inwall, be provided with dust ring, y-type seal ring and supporting ring, between push rod and stuffing box gland inwall, be provided with V-shaped seal ring, stuffing box gland rear end is provided with guide sleeve, between guide sleeve inwall and push rod, be provided with composite bearing, composite bearing rear end is provided with hole jump ring.
2. in wet grey pump according to claim 1, push oil cylinder piston rod seal structure, it is characterized in that: between described stuffing box gland and guide sleeve, surface of contact is taper.
3. in wet grey pump according to claim 1, push oil cylinder piston rod seal structure, it is characterized in that: between described rear end cover and cylinder block inwall, be also provided with OE RunddichtringO.
4. in wet grey pump according to claim 1, push oil cylinder piston rod seal structure, it is characterized in that: described cylinder block is provided with oil hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420326891.5U CN203906793U (en) | 2014-06-15 | 2014-06-15 | Pushing oil cylinder piston rod sealing structure in ash moistening pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420326891.5U CN203906793U (en) | 2014-06-15 | 2014-06-15 | Pushing oil cylinder piston rod sealing structure in ash moistening pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203906793U true CN203906793U (en) | 2014-10-29 |
Family
ID=51781074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420326891.5U Expired - Fee Related CN203906793U (en) | 2014-06-15 | 2014-06-15 | Pushing oil cylinder piston rod sealing structure in ash moistening pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203906793U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108999838A (en) * | 2018-10-17 | 2018-12-14 | 北京因时机器人科技有限公司 | A kind of driver and its driver push rod |
-
2014
- 2014-06-15 CN CN201420326891.5U patent/CN203906793U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108999838A (en) * | 2018-10-17 | 2018-12-14 | 北京因时机器人科技有限公司 | A kind of driver and its driver push rod |
| CN108999838B (en) * | 2018-10-17 | 2024-02-27 | 北京因时机器人科技有限公司 | Driver and driver push rod thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wang Biao Inventor before: Wang Biao Inventor before: Lu Zhibo |
|
| COR | Change of bibliographic data | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 236018 Anhui province Fuyang City Yingzhou District Yingzhou Road No. 28 Patentee after: ANHUI HENGYU ENVIRONMENTAL PROTECTION EQUIPMENT MANUFACTURING LIMITED BY SHARE Ltd. Address before: 236018 Anhui province Fuyang City Yingzhou District Yingzhou Road No. 28 Patentee before: FUYANG HENGYU FILTER CO.,LTD. |
|
| CU03 | Publication of corrected utility model |
Correction item: Patentee|Address Correct: FUYANG HENGYU FILTERING MATERIAL CO., LTD.|236018 Anhui province Fuyang City Yingzhou District Yingzhou Road No. 28 False: Anhui Hengyu environmental protection equipment manufacturing Limited by Share Ltd|236018 Anhui province Fuyang City Yingzhou District Yingzhou Road No. 28 Number: 29 Volume: 32 |
|
| ERR | Gazette correction | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160825 Address after: Yang Da Dao Textile Industrial Park B District 236600 West Anhui Province, Fuyang City, Taihe County Economic Development Zone (South) Anhui Hengyu environmental protection equipment manufacturing Limited by Share Ltd Patentee after: ANHUI HENGYU ENVIRONMENTAL PROTECTION EQUIPMENT MANUFACTURING LIMITED BY SHARE Ltd. Address before: 236018 Anhui province Fuyang City Yingzhou District Yingzhou Road No. 28 Patentee before: FUYANG HENGYU FILTER CO.,LTD. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141029 Termination date: 20190615 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |