CN104594934B - A kind of hydraulic bracket side guard plate promotes device - Google Patents
A kind of hydraulic bracket side guard plate promotes device Download PDFInfo
- Publication number
- CN104594934B CN104594934B CN201510030278.8A CN201510030278A CN104594934B CN 104594934 B CN104594934 B CN 104594934B CN 201510030278 A CN201510030278 A CN 201510030278A CN 104594934 B CN104594934 B CN 104594934B
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- China
- Prior art keywords
- cylinder barrel
- hole
- piston
- piston rod
- stop collar
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- 238000007789 sealing Methods 0.000 claims abstract description 23
- 239000000428 dust Substances 0.000 claims description 8
- 238000000034 method Methods 0.000 abstract description 7
- 238000003466 welding Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/03—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor having protective means, e.g. shields, for preventing or impeding entry of loose material into the working space or support
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Actuator (AREA)
Abstract
The invention discloses a kind of hydraulic bracket side guard plate and promote device, have inside cylinder barrel and run through cavity, cylinder barrel sidewall is provided with the first through hole and the second through hole, it is provided with the first plinth in the first through hole, it is provided with the second plinth in the second through hole, cylinder barrel one end welding cylinder cap, piston rod is provided with one end of piston and stretches into from the cylinder barrel other end and run through in cavity, piston is between the first through hole and the second through hole, piston rod is positioned at the outside one end of cylinder barrel and is provided with support portion, piston rod sidewall is provided with stop collar, stop collar leans on cylinder barrel end near the limiting section support of the support portion of piston rod and stop collar, the first sealing member it is provided with between piston and cylinder barrel, the second sealing shroud it is provided with between stop collar and piston rod.The hydraulic bracket side guard plate that the present invention proposes promotes device, compact overall structure, it is easy to processing, in Reusability process, frame for movement is reliable and stable, and working media does not leak, good seal performance.
Description
Technical field
The present invention relates to hydraulic support technical field, particularly relate to a kind of hydraulic bracket side guard plate and promote device.
Background technology
Hydraulic support is the important component part of winning equipment, is used for controlling the mine pressure of face.Hydraulic support can reliably and effectively make and control the top board of work surface, isolates goaf, it is prevented that spoil enters actual mining region, affects the normal operation of mining device, and the life security of safeguard work personnel to greatest extent.Side guard plate is the important composition of hydraulic support, is arranged on back timber and side guard beam, it is prevented that leakage cash enters working region, ensures and produces and life security.Side guard plate needs, according to using environment to move, therefore the travel mechanism of side guard plate is had high requirement in the course of the work, and stress and the stability of whole support are had material impact by it.
Summary of the invention
For solving the technical problem existed in background technology, the present invention proposes a kind of hydraulic bracket side guard plate and promotes device, has overall structure, and Stability Analysis of Structures is reliable, good seal performance.
A kind of hydraulic bracket side guard plate that the present invention proposes promotes device, including: cylinder cap, cylinder barrel, piston component；
Have inside cylinder barrel and run through cavity and two ends have opening, cylinder barrel sidewall is provided with the first through hole and the second through hole, first through hole and the second through hole are arranged along cylinder barrel axially spaced-apart, it is provided with the first plinth in the first through hole, first plinth is connected with running through cavity by the first through hole, being provided with the second plinth in the second through hole, the second plinth is connected with running through cavity by the second through hole；
Piston component includes piston rod, piston and stop collar, what piston rod was positioned at cylinder barrel runs through cavity, and one end is stretched out from the opening of cylinder barrel one end, piston rod is positioned at the outside one end of cylinder barrel and is provided with support portion, piston is fixed on the sidewall of piston rod, the first back-up ring it is provided with between piston and piston rod, piston running through in cavity and between the first through hole and the second through hole at cylinder barrel, the first sealing member it is provided with between piston and inner wall of cylinder, stop collar is enclosed within outside piston rod, it is arranged near support portion, stop collar is positioned at cylinder barrel and fixes with cylinder barrel, the second sealing member it is provided with between stop collar and piston rod, the second back-up ring it is provided with between stop collar and inner wall of cylinder；
Cylinder cap seals and is fixed on cylinder barrel one end away from the support portion of piston rod；
Cylinder cap is L1 to the distance of stop collar, and internal diameter of cylinder is L2, L1 is 3.5-4 times of L2.
Preferably, the first sealing member includes hill-shaped seal ring and is positioned at two piston guide rings of hill-shaped seal ring both sides.
Preferably, the second sealing member includes flower bud shape sealing ring and guide ring.
Preferably, being additionally provided with dust ring between stop collar and piston rod, dust ring is arranged near support portion.
Preferably, cylinder cap is welded and fixed the end of cylinder barrel.
In the present invention, proposed hydraulic bracket side guard plate promotes device, have inside cylinder barrel and run through cavity, cylinder barrel sidewall is provided with the first through hole and the second through hole, it is provided with the first plinth in the first through hole, it is provided with the second plinth in the second through hole, cylinder barrel one end welding cylinder cap, piston rod is provided with one end of piston and stretches into from the cylinder barrel other end and run through in cavity, piston is between the first through hole and the second through hole, piston rod is positioned at the outside one end of cylinder barrel and is provided with support portion, piston rod sidewall is provided with stop collar, stop collar leans on cylinder barrel end near the limiting section support of the support portion of piston rod and stop collar, the first sealing member it is provided with between piston and cylinder barrel, the second sealing member it is provided with between stop collar and piston rod.The hydraulic bracket side guard plate designed by above-mentioned optimization promotes device, compact overall structure, it is prone to processing, in cylinder barrel, working media flow spatial design is reasonable, in Reusability process, frame for movement is reliable and stable, and working media does not leak, it is also possible to prevent external dust impurity from entering in cylinder barrel and each parts are caused damage, good seal performance.
Accompanying drawing explanation
Fig. 1 is the structural representation that a kind of hydraulic bracket side guard plate that the present invention proposes promotes device.
Detailed description of the invention
As it is shown in figure 1, a kind of hydraulic bracket side guard plate that Fig. 1 is the present invention to be proposed promotes the structural representation of device.
With reference to Fig. 1, a kind of hydraulic bracket side guard plate that the present invention proposes promotes device, including: cylinder cap 1, cylinder barrel 2, piston component；
Cylinder barrel 2 is internal to be had and runs through cavity and two ends have opening, cylinder barrel 2 sidewall is provided with the first through hole and the second through hole, first through hole and the second through hole are arranged along cylinder barrel 2 axially spaced-apart, the first plinth 21 it is provided with in the first through hole, first plinth 21 is connected with running through cavity by the first through hole, be provided with the second plinth 22 in the second through hole, the second plinth 22 is connected with running through cavity by the second through hole；
Piston component includes piston rod 4, piston 3 and stop collar 5, what piston rod 4 was positioned at cylinder barrel 2 runs through cavity, and one end is stretched out from the opening of cylinder barrel 2 one end, piston rod 4 is positioned at the outside one end of cylinder barrel 2 and is provided with support portion 41, piston 3 is fixed on the sidewall of piston rod 4, the first back-up ring 61 it is provided with between piston 3 and piston rod 4, piston 3 running through in cavity and between the first through hole and the second through hole at cylinder barrel 2, it is provided with the first sealing member between piston 3 and cylinder barrel 2 inwall, first sealing member includes hill-shaped seal ring 71 and is positioned at two piston guide rings 72 of hill-shaped seal ring 71 both sides, it is outside that stop collar 5 is enclosed within piston rod 4, it is arranged near support portion 41, stop collar 5 is positioned at cylinder barrel 2 and fixes with cylinder barrel 2, the second sealing member and dust ring 9 it is provided with between stop collar 5 and piston rod 4, second sealing member includes flower bud shape sealing ring 81 and guide ring 82, dust ring 9 is arranged near support portion 41, the second back-up ring 62 it is provided with between stop collar 5 and cylinder barrel 2 inwall；
Cylinder cap 1 is welded on cylinder barrel 2 one end away from the support portion of piston rod 4, and seals fixing between cylinder cap 1 and cylinder barrel 2.
In specific design, the distance of cylinder cap 1 to stop collar 5 is L1, and internal diameter of cylinder is L2, L1 is 3.5-4 times of L2.
Hydraulic bracket side guard plate at the present embodiment promotes in device work process, when working media flows into cylinder barrel from the first plinth, when working media enters the space between piston and cylinder cap, cylinder cap is promoted to move to away from piston direction, working media between piston and stop collar flows out from the second plinth simultaneously, thus moving to the direction, support portion away from piston rod with moveable cylinder, carry out promoting stroke, when working media flows into cylinder barrel from the second plinth, when working media enters the space between piston and stop collar, piston is promoted to move to cylinder cap direction, working media between piston and cylinder cap flows out from the first plinth simultaneously, thus driving piston rod to advance to cylinder cap direction, carry out return stroke, realize hydraulic drive work process.
In the present embodiment, proposed hydraulic bracket side guard plate promotes device, have inside cylinder barrel and run through cavity, cylinder barrel sidewall is provided with the first through hole and the second through hole, it is provided with the first plinth in the first through hole, it is provided with the second plinth in the second through hole, cylinder barrel one end welding cylinder cap, piston rod is provided with one end of piston and stretches into from the cylinder barrel other end and run through in cavity, piston is between the first through hole and the second through hole, piston rod is positioned at the outside one end of cylinder barrel and is provided with support portion, piston rod sidewall is provided with stop collar, stop collar leans on cylinder barrel end near the limiting section support of the support portion of piston rod and stop collar, the first sealing member it is provided with between piston and cylinder barrel, the second sealing shroud it is provided with between stop collar and piston rod.The hydraulic bracket side guard plate designed by above-mentioned optimization promotes device, compact overall structure, it is prone to processing, in cylinder barrel, working media flow spatial design is reasonable, in Reusability process, frame for movement is reliable and stable, and working media does not leak, it is also possible to prevent external dust impurity from entering in cylinder barrel and each parts are caused damage, good seal performance.
In a specific embodiment, internal diameter of cylinder is 63mm, and piston rod footpath is 45mm, and piston stroke is 170mm, and after testing, in its work process, cylinder cylinder pressure is up to 31.5Mpa, and thrust is up to 98.2KN, and pulling force is up to 48.1KN.
It is respectively provided with sealing member between each parts, is greatly improved sealing property, it is ensured that in work process, working media does not leak, it is ensured that working environment is reliable.
The above; it is only the present invention preferably detailed description of the invention; but protection scope of the present invention is not limited thereto; any those familiar with the art is in the technical scope that the invention discloses; it is equal to replacement according to technical scheme and inventive concept thereof or is changed, all should be encompassed within protection scope of the present invention.
Claims (5)
1. a hydraulic bracket side guard plate promotes device, it is characterised in that including: cylinder cap (1), cylinder barrel (2), piston component；
Cylinder barrel (2) is internal to be had and runs through cavity and two ends have opening, cylinder barrel (2) sidewall is provided with the first through hole and the second through hole, first through hole and the second through hole are arranged along cylinder barrel (2) axially spaced-apart, the first plinth (21) it is provided with in the first through hole, first plinth (21) is connected with running through cavity by the first through hole, be provided with the second plinth (22) in the second through hole, the second plinth (22) is connected with running through cavity by the second through hole；
Piston component includes piston rod (4), piston (3) and stop collar (5), what piston rod (4) was positioned at cylinder barrel (2) runs through cavity, and one end is stretched out from the opening of cylinder barrel (2) one end, piston rod (4) is positioned at the outside one end of cylinder barrel (2) and is provided with support portion (41), piston (3) is fixed on the sidewall of piston rod (4), the first back-up ring (61) it is provided with between piston (3) and piston rod (4), what piston (3) was positioned at cylinder barrel (2) runs through cavity and between the first through hole and the second through hole, it is provided with the first sealing member between piston (3) and cylinder barrel (2) inwall, it is outside that stop collar (5) is enclosed within piston rod (4), it is arranged near support portion (41), stop collar (5) is positioned at cylinder barrel (2) and fixes with cylinder barrel (2), it is provided with the second sealing member between stop collar (5) and piston rod (4), the second back-up ring (62) it is provided with between stop collar (5) and cylinder barrel (2) inwall；
Cylinder cap (1) seals and is fixed on cylinder barrel (2) one end away from the support portion of piston rod (4)；
Cylinder cap (1) is L1 to the distance of stop collar (5), and internal diameter of cylinder is L2, L1 is 3.5-4 times of L2.
2. hydraulic bracket side guard plate according to claim 1 promotes device, it is characterised in that the first sealing member includes hill-shaped seal ring (71) and is positioned at two piston guide rings (72) of hill-shaped seal ring (71) both sides.
3. hydraulic bracket side guard plate according to claim 1 promotes device, it is characterised in that the second sealing member includes flower bud shape sealing ring (81) and guide ring (82).
4. hydraulic bracket side guard plate according to claim 1 promotes device, it is characterized in that, being additionally provided with dust ring (9) between stop collar (5) and piston rod (4), dust ring (9) is arranged near support portion (41).
5. hydraulic bracket side guard plate according to claim 1 promotes device, it is characterised in that cylinder cap (1) is welded and fixed the end of cylinder barrel (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510030278.8A CN104594934B (en) | 2015-01-21 | 2015-01-21 | A kind of hydraulic bracket side guard plate promotes device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510030278.8A CN104594934B (en) | 2015-01-21 | 2015-01-21 | A kind of hydraulic bracket side guard plate promotes device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104594934A CN104594934A (en) | 2015-05-06 |
| CN104594934B true CN104594934B (en) | 2016-06-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510030278.8A Expired - Fee Related CN104594934B (en) | 2015-01-21 | 2015-01-21 | A kind of hydraulic bracket side guard plate promotes device |
Country Status (1)
| Country | Link |
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| CN (1) | CN104594934B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1927768B2 (en) * | 1969-05-31 | 1977-10-20 | Hippel Geb. Weiss, Sophie Von, 7777 Salem | Two part mine stowing shield - has actuator cylinders for two parts and bottom cylinder supported on floor member |
| CN2767731Y (en) * | 2005-01-18 | 2006-03-29 | 无锡市华通液压气动制造有限公司 | Return-stroke two-stage hydraulic cylinder |
| CN201053326Y (en) * | 2007-05-31 | 2008-04-30 | 宁夏西北煤矿机械制造有限责任公司 | Inner support conjuncted self-walking type caving coal hydraulic support side-pushing device |
| CN201184336Y (en) * | 2008-04-14 | 2009-01-21 | 贾广生 | Hydraulic cylinder structure |
| CN102852540A (en) * | 2012-09-12 | 2013-01-02 | 淮南矿业(集团)有限责任公司 | Protector |
| CN202731959U (en) * | 2011-12-31 | 2013-02-13 | 鄂尔多斯市巨鼎煤机制造有限责任公司 | Side protecting mechanism of hydraulic support for thin coal seam |
| CN203035638U (en) * | 2012-11-30 | 2013-07-03 | 江苏恒立高压油缸股份有限公司 | Mechanical self-locking hydraulic oil cylinder |
| CN103423229A (en) * | 2013-07-16 | 2013-12-04 | 蚌埠市行星工程机械有限公司 | Double-barrel oil cylinder |
| CN203682981U (en) * | 2014-01-06 | 2014-07-02 | 卡特彼勒（郑州）有限公司 | Double-side type hydraulic jack and hydraulic support |
| CN204099333U (en) * | 2014-09-04 | 2015-01-14 | 山东蓬翔汽车有限公司 | A kind of double-action single-stage cylinder |
| CN204419222U (en) * | 2015-01-21 | 2015-06-24 | 巨隆液压设备(集团)有限公司 | A kind of hydraulic bracket side guard plate thrust unit |
-
2015
- 2015-01-21 CN CN201510030278.8A patent/CN104594934B/en not_active Expired - Fee Related
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1927768B2 (en) * | 1969-05-31 | 1977-10-20 | Hippel Geb. Weiss, Sophie Von, 7777 Salem | Two part mine stowing shield - has actuator cylinders for two parts and bottom cylinder supported on floor member |
| CN2767731Y (en) * | 2005-01-18 | 2006-03-29 | 无锡市华通液压气动制造有限公司 | Return-stroke two-stage hydraulic cylinder |
| CN201053326Y (en) * | 2007-05-31 | 2008-04-30 | 宁夏西北煤矿机械制造有限责任公司 | Inner support conjuncted self-walking type caving coal hydraulic support side-pushing device |
| CN201184336Y (en) * | 2008-04-14 | 2009-01-21 | 贾广生 | Hydraulic cylinder structure |
| CN202731959U (en) * | 2011-12-31 | 2013-02-13 | 鄂尔多斯市巨鼎煤机制造有限责任公司 | Side protecting mechanism of hydraulic support for thin coal seam |
| CN102852540A (en) * | 2012-09-12 | 2013-01-02 | 淮南矿业(集团)有限责任公司 | Protector |
| CN203035638U (en) * | 2012-11-30 | 2013-07-03 | 江苏恒立高压油缸股份有限公司 | Mechanical self-locking hydraulic oil cylinder |
| CN103423229A (en) * | 2013-07-16 | 2013-12-04 | 蚌埠市行星工程机械有限公司 | Double-barrel oil cylinder |
| CN203682981U (en) * | 2014-01-06 | 2014-07-02 | 卡特彼勒（郑州）有限公司 | Double-side type hydraulic jack and hydraulic support |
| CN204099333U (en) * | 2014-09-04 | 2015-01-14 | 山东蓬翔汽车有限公司 | A kind of double-action single-stage cylinder |
| CN204419222U (en) * | 2015-01-21 | 2015-06-24 | 巨隆液压设备(集团)有限公司 | A kind of hydraulic bracket side guard plate thrust unit |
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| Publication number | Publication date |
|---|---|
| CN104594934A (en) | 2015-05-06 |
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Granted publication date: 20160629 Termination date: 20170121 |
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| CF01 | Termination of patent right due to non-payment of annual fee |