CN201310364Y - Rapid feed-return liquor shock resistance double-telescopic prop of hydraulic support - Google Patents
Rapid feed-return liquor shock resistance double-telescopic prop of hydraulic support Download PDFInfo
- Publication number
- CN201310364Y CN201310364Y CNU200820238805XU CN200820238805U CN201310364Y CN 201310364 Y CN201310364 Y CN 201310364Y CN U200820238805X U CNU200820238805X U CN U200820238805XU CN 200820238805 U CN200820238805 U CN 200820238805U CN 201310364 Y CN201310364 Y CN 201310364Y
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- cylinder body
- double
- vertical column
- telescopic vertical
- outer cylinder
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- Expired - Lifetime
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- 230000035939 shock Effects 0.000 title claims abstract description 9
- 239000007788 liquid Substances 0.000 claims description 7
- 230000003321 amplification Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
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Abstract
The utility model discloses a rapid feed-return liquor shock resistance double-telescopic vertical column of a hydraulic support, which comprises an outer cylinder body, a middle cylinder body, a movable cylinder and a bottom valve which is arranged on the cylinder bottom of the middle cylinder body, wherein guide sleeves which are arranged on cylinder ports of the middle cylinder body and the outer cylinder body are connected with the inner walls of the cylinder ports of the middle cylinder body and the outer cylinder body through rectangular threads and are prevented from loosing through stopping bolts, and the two sides of the bottom portion of the outer cylinder body, which are located on a liquor supply interface are respectively equipped with safe valve rapid joints. The rapid feed-return liquor shock resistance double-telescopic vertical column of the hydraulic support has the advantages that the impact resistance capability of the double-telescopic vertical column is greatly increased, thereby guaranteeing the rapid unloading when the double-telescopic vertical column rapidly feeds and returns liquor and overloads. Therefore, the technical requirements of the double-telescopic vertical column that the cylinder diameter is 500mm, the working resistance is 8400KN, and the spread length is above 6513mm are met. The difficult problem that the lifting of the double-telescopic vertical column with a big cylinder diameter is slow, thereby achieving the job requirement that the moving speed of the support is smaller than 10 minutes.
Description
Technical field
The utility model relates to hydraulic support, especially relates to hydraulic support and advances back liquid shock resistance double-telescopic upright post fast.
Background technology
Hydraulic support is the support apparatus of underground work indispensability.Along with improving constantly of down-hole mechanical extracting level, require more and more higher to the yield load of hydraulic support, bearing height etc.Therefore, possesses the hydraulic support that yield load is big, supporting height is high, the cylinder diameter of the support post that primary prerequisite is a hydraulic support wants big, the column length of run will be grown, but present employed hydraulic vertical prop can't satisfy yield load more than the 8000KN, launch height in the requirement more than 6.5 meters.
The utility model content
The utility model purpose is to provide the hydraulic support that a kind of yield load is big, bearing height is high to advance back liquid shock resistance double-telescopic upright post fast.
For achieving the above object, the utility model can be taked following technical proposals:
Hydraulic support described in the utility model advances back liquid shock resistance double-telescopic upright post fast, comprises outer cylinder body, middle cylinder body, cylinder alive, the bottom valve of cylinder body cylinder bottom in being arranged on; Be arranged on described in the fairlead at cylinder body, outer cylinder body cylinder mouth place all be connected with the cylinder mouth inwall of middle cylinder body, outer cylinder body and to pass through stopping screw locking with rectangular thread; The both sides that are positioned at the feed flow interface in the bottom of outer cylinder body are respectively arranged with safety valve snap joint.
The utility model advantage be described in the fairlead at cylinder body, outer cylinder body cylinder mouth place all adopt the rectangular thread form to connect and fix by stopping screw respectively in the cylinder mouth end of correspondence, improved the impact resistance of double-telescopic upright post greatly; In the bottom of outer cylinder body two safety valve joints and a supply opening are installed, have been guaranteed that double-telescopic upright post advances back liquid fast and fast discharging when transshipping.Therefore satisfied cylinder diameter at 500mm, working resistance in 8400KN, length of run technical requirements at the above double-telescopic upright post of 6513mm.Solved the slow difficult problem of big cylinder diameter double-telescopic upright post lifting column, reached the support advancing velocity less than job requirement in 10 seconds.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is that the B-B of Fig. 1 is to sectional view.
Fig. 3 is that the A-A of Fig. 1 is to amplification profile.
The specific embodiment
Hydraulic support described in the utility model advances back liquid shock resistance double-telescopic upright post fast, comprises outer cylinder body 1, middle cylinder body 2, cylinder 3 alive, the bottom valve 9 of cylinder body 2 cylinder bottoms in being arranged on; Be arranged on described in the fairlead 4,5 at cylinder body 2, outer cylinder body 1 cylinder mouth place all be connected with the cylinder mouth inwall of middle cylinder body 2, outer cylinder body 1 and to pass through stopping screw 8 locking with rectangular thread; The both sides that are positioned at feed flow interface 6 in the bottom of outer cylinder body 1 are respectively arranged with safety valve snap joint 7.
Claims (1)
1, a kind of hydraulic support advances back liquid shock resistance double-telescopic upright post fast, comprises outer cylinder body (1), middle cylinder body (2), cylinder (3) alive, is arranged on the bottom valve (9) of middle cylinder body (2) cylinder bottom; It is characterized in that: be arranged on described in the fairlead (4,5) at cylinder body (2), outer cylinder body (1) cylinder mouth place all be connected with the cylinder mouth inwall of middle cylinder body (2), outer cylinder body (1) and to pass through stopping screw (8) locking with rectangular thread; The both sides that are positioned at feed flow interface (6) in the bottom of outer cylinder body (1) are respectively arranged with safety valve snap joint (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820238805XU CN201310364Y (en) | 2008-12-16 | 2008-12-16 | Rapid feed-return liquor shock resistance double-telescopic prop of hydraulic support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820238805XU CN201310364Y (en) | 2008-12-16 | 2008-12-16 | Rapid feed-return liquor shock resistance double-telescopic prop of hydraulic support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201310364Y true CN201310364Y (en) | 2009-09-16 |
Family
ID=41107619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200820238805XU Expired - Lifetime CN201310364Y (en) | 2008-12-16 | 2008-12-16 | Rapid feed-return liquor shock resistance double-telescopic prop of hydraulic support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201310364Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101845957A (en) * | 2010-05-10 | 2010-09-29 | 中煤北京煤矿机械有限责任公司 | Triple retractable column and hydraulic bracket |
| CN102140923A (en) * | 2011-04-12 | 2011-08-03 | 天地科技股份有限公司 | Guide ring overwelding seam large-cylinder bottom double-telescopic upright column |
| CN103410533A (en) * | 2013-08-29 | 2013-11-27 | 郑州煤矿机械集团股份有限公司 | Impact-resistant telescopic column for hydraulic support |
| CN107084166A (en) * | 2017-05-23 | 2017-08-22 | 中国神华能源股份有限公司 | Electrichydraulic control for hydraulic support column builds the pressure system and method |
| US10385888B2 (en) | 2014-04-07 | 2019-08-20 | Caterpillar Global Mining Europe Gmbh | Sleeve holder for a hydraulic cylinder |
| CN110219988A (en) * | 2019-05-22 | 2019-09-10 | 河南理工大学 | A kind of high working face hydraulic support column cylinder mouth new type sealing device |
| CN113236326A (en) * | 2021-06-15 | 2021-08-10 | 安徽理工大学 | Multidirectional self-moving type arched anti-impact advanced hydraulic support |
-
2008
- 2008-12-16 CN CNU200820238805XU patent/CN201310364Y/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101845957A (en) * | 2010-05-10 | 2010-09-29 | 中煤北京煤矿机械有限责任公司 | Triple retractable column and hydraulic bracket |
| CN102140923A (en) * | 2011-04-12 | 2011-08-03 | 天地科技股份有限公司 | Guide ring overwelding seam large-cylinder bottom double-telescopic upright column |
| CN102140923B (en) * | 2011-04-12 | 2014-01-08 | 天地科技股份有限公司 | Guide ring overwelding seam large-cylinder bottom double-telescopic upright column |
| CN103410533A (en) * | 2013-08-29 | 2013-11-27 | 郑州煤矿机械集团股份有限公司 | Impact-resistant telescopic column for hydraulic support |
| CN103410533B (en) * | 2013-08-29 | 2015-10-28 | 郑州煤矿机械集团股份有限公司 | Impact-resistant telescopic column for hydraulic support |
| US10385888B2 (en) | 2014-04-07 | 2019-08-20 | Caterpillar Global Mining Europe Gmbh | Sleeve holder for a hydraulic cylinder |
| CN107084166A (en) * | 2017-05-23 | 2017-08-22 | 中国神华能源股份有限公司 | Electrichydraulic control for hydraulic support column builds the pressure system and method |
| CN107084166B (en) * | 2017-05-23 | 2019-06-18 | 中国神华能源股份有限公司 | Electrichydraulic control for hydraulic support column builds the pressure system and method |
| CN110219988A (en) * | 2019-05-22 | 2019-09-10 | 河南理工大学 | A kind of high working face hydraulic support column cylinder mouth new type sealing device |
| CN113236326A (en) * | 2021-06-15 | 2021-08-10 | 安徽理工大学 | Multidirectional self-moving type arched anti-impact advanced hydraulic support |
| CN113236326B (en) * | 2021-06-15 | 2022-07-08 | 安徽理工大学 | Multidirectional self-moving type arched anti-impact advanced hydraulic support |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: CHINA SHENHUA ENERGY COMPANY LIMITED |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20110526 Address after: 450013 No. 105, Huashan Road, Zhongyuan District, Henan, Zhengzhou Co-patentee after: China Shenhua Energy Co., Ltd. Patentee after: Zhengzhou Coal Mining Machinery Group Co., Ltd. Address before: 450013 No. 105, Huashan Road, Zhongyuan District, Henan, Zhengzhou Patentee before: Zhengzhou Coal Mining Machinery Group Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090916 |