CN110219682A - Anti-impacting upright column with high resiliency detachable apparatus - Google Patents
Anti-impacting upright column with high resiliency detachable apparatus Download PDFInfo
- Publication number
- CN110219682A CN110219682A CN201910468292.4A CN201910468292A CN110219682A CN 110219682 A CN110219682 A CN 110219682A CN 201910468292 A CN201910468292 A CN 201910468292A CN 110219682 A CN110219682 A CN 110219682A
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- China
- Prior art keywords
- sleeve
- cylinder
- thin
- middle cylinder
- cavity
- Prior art date
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- Pending
Links
- 238000007789 sealing Methods 0.000 claims abstract description 35
- 239000007788 liquid Substances 0.000 claims abstract description 7
- 239000000839 emulsion Substances 0.000 claims abstract description 6
- 238000003466 welding Methods 0.000 claims description 4
- 230000035939 shock Effects 0.000 abstract description 9
- 230000008093 supporting effect Effects 0.000 abstract description 7
- 230000006378 damage Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000001568 sexual effect Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
- E21D15/50—Component parts or details of props
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
- E21D15/14—Telescopic props
- E21D15/44—Hydraulic, pneumatic, or hydraulic-pneumatic props
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
The present invention relates to the Anti-impacting upright columns with high resiliency detachable apparatus, including outer shell, middle cylinder, movable post, the first guide sleeve, the second guide sleeve, sealing sleeve, thin-wall elastic sleeve cylinder, sealing element, external screw thread, fixed bolt, middle cylinder cavity of resorption, elastic cavity and middle cylinder epicoele;Sealing sleeve individually separates the logical liquid space of middle cylinder epicoele and middle cylinder cavity of resorption, while limiting to thin-wall elastic sleeve cylinder;The outer wall of thin-wall elastic sleeve cylinder is sealed by sealing element, to prevent emulsion from entering in elastic cavity.Structure of the invention is reasonable, ingenious in design, and structure is simple, using threaded connection, there is no the relative motion between component, eliminates guide frame, it is low in cost, stablize safety, solving existing column safety valve when receiving shock loading cannot smoothly open, and will cause the loss or destruction of itself even entire supporting structure, be easy to happen the technical problems such as safety accident, for the prior art, have good market prospects and development space.
Description
Technical field
The present invention relates to mine hydraulic bracket technical fields, more particularly to the shock resistance with high resiliency detachable apparatus is vertical
Column.
Background technique
For hydraulic support as a kind of common suspension device, use scope is very wide, especially supports face in underground
Utilization rate be much higher than other equipment.Important equipment one of of the hydraulic support as fully-mechanized mining working, the stability of supporting
With the safety and high-yield and high-efficiency of the entire working face of reliable sexual intercourse.The most dangerous stress of hydraulic support is dynamic load, should be had
Reasonable supporting intensity, is able to bear dynamic loading when roof weighting, and shock loading size is formed much larger than working face dead load
To the pressure of hydraulic support.Shock loading moment can reach column, generally will be transmitted to top beam and bottom in 10ms or so
Seat, 20ms or so will be transmitted to bracket total.
For column as main load and load bearing component, shock resistance is not single to be related to itself, is also relate to hydraulic branch
The shock resistance of frame entirety.For the safety and supporting effect for guaranteeing column and bracket, column has been generally designed safety valve, pacifies
The opening time of full valve requires to be not more than 25ms, and the flow of safety valve and cracking pressure are bigger, and the opening time is also bigger.Such as
Fruit column safety valve when receiving shock loading cannot be opened smoothly, will cause itself even entire supporting structure loss or
It destroys.
How to design a kind of structurally reasonable, ingenious in design, structure is simple, using threaded connection, without the phase between component
To movement, guide frame is eliminated, low in cost, the Anti-impacting upright column with high resiliency detachable apparatus for stablizing safety is mesh
Preceding problem to be solved.
Summary of the invention
It cannot smoothly be opened to solve existing column safety valve when receiving shock loading, itself will be caused even whole
The loss or destruction of a supporting structure are easy to happen the technical problems such as safety accident, and the present invention, which provides, has high resiliency detachable
The Anti-impacting upright column of device, structurally reasonable to realize, ingenious in design, structure is simple, using threaded connection, without between component
Relative motion eliminates guide frame, low in cost, stablizes the purpose of safety.
Used technical solution is the present invention to solve above-mentioned technical problem: the anti-impact with high resiliency detachable apparatus
Hit column, including outer shell, middle cylinder, movable post, the first guide sleeve, the second guide sleeve, sealing sleeve, thin-wall elastic sleeve cylinder, sealing element,
External screw thread, fixed bolt, middle cylinder cavity of resorption, elastic cavity and middle cylinder epicoele, outer shell are supported guarantor by the first guide sleeve centralizing cylinder
Shield, middle cylinder are supported protection to movable post by the second guide sleeve;The sealing sleeve is fixed by welding in movable post and surrounds
Cylinder bottom bottom, thin-wall elastic sleeve cylinder is located inside sealing sleeve, and sealing sleeve is by the logical liquid of middle cylinder epicoele and middle cylinder cavity of resorption
Space individually separates, while limiting to thin-wall elastic sleeve cylinder;The lower end of the thin-wall elastic sleeve cylinder is fixed by external screw thread
It is connected to the bottom of movable post, fixed bolt is located at the bottom of thin-wall elastic sleeve cylinder, and the outer wall of thin-wall elastic sleeve cylinder passes through sealing element
It is sealed, to prevent emulsion from entering in elastic cavity.
The sealing element uses rubber seal.
The fixed bolt uses interior six sides stud.
Compared with prior art, the beneficial effects of the present invention are:
1) present invention include outer shell, it is middle cylinder, movable post, the first guide sleeve, the second guide sleeve, sealing sleeve, thin-wall elastic sleeve cylinder, close
Sealing, external screw thread, fixed bolt, middle cylinder cavity of resorption, elastic cavity and middle cylinder epicoele, outer shell are propped up by the first guide sleeve centralizing cylinder
Support protection, middle cylinder are supported protection to movable post by the second guide sleeve, and the configuration of the present invention is simple is not had using threaded connection
Relative motion between component eliminates guide frame, cost very little, and stablizes, safety;
2) sealing sleeve described in is fixed by welding in the bottom for the cylinder bottom that movable post surrounds, and thin-wall elastic sleeve cylinder is located at closing set
Cylinder is internal, and sealing sleeve individually separates the logical liquid space of middle cylinder epicoele and middle cylinder cavity of resorption, while carrying out to thin-wall elastic sleeve cylinder
Limit;
3) lower end of the thin-wall elastic sleeve cylinder is fixedly connected on the bottom of movable post by external screw thread, and fixed bolt is located at thin-walled bullet
The bottom of property sleeve, the outer wall of thin-wall elastic sleeve cylinder is sealed by sealing element, to prevent emulsion from entering in elastic cavity;
4) sealing element described in uses rubber seal, low in cost, easy for installation;
5) fixed bolt described in uses interior six sides stud, easy for assemble or unload, and practicability is high.
Detailed description of the invention
Fig. 1 is internal sectional structure schematic diagram of the present invention;
Marked in the figure: 1, outer shell, 2, middle cylinder, 3, movable post, the 4, first guide sleeve, the 5, second guide sleeve, 6, sealing sleeve, 7, thin-walled
Resilient sleeve, 8, sealing element, 9, external screw thread, 10, fixed bolt, 11, middle cylinder cavity of resorption, 12, elastic cavity, 13, middle cylinder epicoele.
Specific embodiment
Specific embodiments of the present invention will be described in further detail with reference to the accompanying drawing.
As shown, the Anti-impacting upright column with high resiliency detachable apparatus, including outer shell 1, middle cylinder 2, movable post 3, first
Under guide sleeve 4, the second guide sleeve 5, sealing sleeve 6, thin-wall elastic sleeve cylinder 7, sealing element 8, external screw thread 9, fixed bolt 10, middle cylinder
Chamber 11, elastic cavity 12 and middle cylinder epicoele 13, outer shell 1 are supported protection by 4 centralizing cylinder 2 of the first guide sleeve, and middle cylinder 2 passes through the
Two guide sleeves 5 are supported protection to movable post 3;The sealing sleeve 6 is fixed by welding in the bottom for the cylinder bottom that movable post 3 surrounds
Portion, thin-wall elastic sleeve cylinder 7 are located inside sealing sleeve 6, and sealing sleeve 6 is by the logical liquid space of middle cylinder epicoele 13 and middle cylinder cavity of resorption 11
It individually separates, while thin-wall elastic sleeve cylinder 7 is limited;The lower end of the thin-wall elastic sleeve cylinder 7 connects by the way that external screw thread 9 is fixed
It connects in the bottom of movable post 3, fixed bolt 10 is located at the bottom of thin-wall elastic sleeve cylinder 7, and the outer wall of thin-wall elastic sleeve cylinder 7 passes through sealing
Part 8 is sealed, to prevent emulsion from entering in elastic cavity 12.
The above are basic embodiments of the invention, further can be improved, improved and limited on the basis of above: such as
The sealing element 8 uses rubber seal.
The above are basic embodiments of the invention, further can be improved, improved and limited on the basis of above: such as
The fixed bolt 10 uses interior six sides stud.
In practical application, sealing sleeve 6 is welded on the cylinder bottom of movable post 3, and column middle cylinder epicoele 13 and cavity of resorption 11 are led to liquid
Space separates, while preventing the excessive swell of thin-wall elastic sleeve cylinder 7, plays limit and protective effect.Thin-wall elastic sleeve cylinder 7 passes through outer
Screw thread 9 is connected in movable post 3, and bottom design has interior six side's studs, and easy to disassemble, replacement, it is close that rubber has also been devised in centre
Seal prevents emulsion from entering elastic cavity 12.When column is impacted, thin-wall elastic sleeve cylinder 7 can rapid swell, play slow
Punching effect, protection pillar construction safety, and then bracket is also avoided by impact failure.
Thin-wall elastic sleeve cylinder 7 can also play the role of that 2 upper and lower cavity of column middle cylinder is isolated, i.e., if sealing sleeve 6 leaks
Liquid situation does not influence the normal work of column.
Structure of the invention is reasonable, ingenious in design, and structure is simple, using threaded connection, without the relative motion between component,
Guide frame is eliminated, it is low in cost, stablize safety, solving existing column safety valve when receiving shock loading cannot smoothly open
It opens, the loss or destruction of itself even entire supporting structure will be caused, the technical problems such as safety accident are easy to happen, to existing
For technology, have good market prospects and development space.
The preferred embodiments of the disclosure and embodiment are explained in detail above in conjunction with attached drawing, but it is of the invention
It is not limited to the above embodiment and embodiment can also not take off within the knowledge of those skilled in the art
Various changes can be made under the premise of from present inventive concept.
Claims (3)
1. the Anti-impacting upright column with high resiliency detachable apparatus, it is characterised in that: including outer shell (1), middle cylinder (2), movable post
(3), the first guide sleeve (4), the second guide sleeve (5), sealing sleeve (6), thin-wall elastic sleeve cylinder (7), sealing element (8), external screw thread
(9), fixed bolt (10), middle cylinder cavity of resorption (11), elastic cavity (12) and middle cylinder epicoele (13), outer shell (1) pass through the first guide sleeve
(4) centralizing cylinder (2) is supported protection, and middle cylinder (2) is supported protection to movable post (3) by the second guide sleeve (5);Described
Sealing sleeve (6) is fixed by welding in the bottom for the cylinder bottom that movable post (3) surrounds, and thin-wall elastic sleeve cylinder (7) is located at sealing sleeve
(6) internal, sealing sleeve (6) individually separates the logical liquid space of middle cylinder epicoele (13) and middle cylinder cavity of resorption (11), while to thin-walled
Resilient sleeve (7) is limited;The lower end of the thin-wall elastic sleeve cylinder (7) is fixedly connected on movable post (3) by external screw thread (9)
Bottom, fixed bolt (10) are located at the bottom of thin-wall elastic sleeve cylinder (7), and the outer wall of thin-wall elastic sleeve cylinder (7) passes through sealing element (8)
It is sealed, to prevent emulsion from entering in elastic cavity (12).
2. as described in claim 1 with the Anti-impacting upright column of high resiliency detachable apparatus, it is characterised in that: the sealing
Part (8) uses rubber seal.
3. as described in claim 1 with the Anti-impacting upright column of high resiliency detachable apparatus, it is characterised in that: the fixation
Stud (10) uses interior six sides stud.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910468292.4A CN110219682A (en) | 2019-05-31 | 2019-05-31 | Anti-impacting upright column with high resiliency detachable apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201910468292.4A CN110219682A (en) | 2019-05-31 | 2019-05-31 | Anti-impacting upright column with high resiliency detachable apparatus |
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Publication Number | Publication Date |
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CN110219682A true CN110219682A (en) | 2019-09-10 |
Family
ID=67819091
Family Applications (1)
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CN201910468292.4A Pending CN110219682A (en) | 2019-05-31 | 2019-05-31 | Anti-impacting upright column with high resiliency detachable apparatus |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113175342A (en) * | 2021-04-15 | 2021-07-27 | 中煤科工开采研究院有限公司 | Shock-resistant double-telescopic upright post |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS494417B1 (en) * | 1969-09-13 | 1974-01-31 | ||
KR20070105482A (en) * | 2006-04-26 | 2007-10-31 | 김용구 | Oil jack |
WO2014008715A1 (en) * | 2012-07-09 | 2014-01-16 | 中国矿业大学 | Hinged-connection type suspended hydraulic stand column |
CN105134260A (en) * | 2015-08-20 | 2015-12-09 | 天地科技股份有限公司 | Capacity-increase buffering anti-powerful-impact double telescopic stand columns |
WO2016016736A1 (en) * | 2014-07-31 | 2016-02-04 | Stommpy S.R.L. | A modular anti-impact protection |
CN205743954U (en) * | 2016-06-24 | 2016-11-30 | 平顶山平煤机煤矿机械装备有限公司 | The hydraulic pressure of a kind of built-in fluid-through tube post alive |
CN109534211A (en) * | 2019-01-24 | 2019-03-29 | 长江水利委员会长江科学院 | A kind of flexible jack |
CN210509233U (en) * | 2019-05-31 | 2020-05-12 | 平顶山平煤机煤矿机械装备有限公司 | Shock-resistant upright post with high-elasticity detachable device |
-
2019
- 2019-05-31 CN CN201910468292.4A patent/CN110219682A/en active Pending
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS494417B1 (en) * | 1969-09-13 | 1974-01-31 | ||
KR20070105482A (en) * | 2006-04-26 | 2007-10-31 | 김용구 | Oil jack |
WO2014008715A1 (en) * | 2012-07-09 | 2014-01-16 | 中国矿业大学 | Hinged-connection type suspended hydraulic stand column |
WO2016016736A1 (en) * | 2014-07-31 | 2016-02-04 | Stommpy S.R.L. | A modular anti-impact protection |
CN105134260A (en) * | 2015-08-20 | 2015-12-09 | 天地科技股份有限公司 | Capacity-increase buffering anti-powerful-impact double telescopic stand columns |
CN205743954U (en) * | 2016-06-24 | 2016-11-30 | 平顶山平煤机煤矿机械装备有限公司 | The hydraulic pressure of a kind of built-in fluid-through tube post alive |
CN109534211A (en) * | 2019-01-24 | 2019-03-29 | 长江水利委员会长江科学院 | A kind of flexible jack |
CN210509233U (en) * | 2019-05-31 | 2020-05-12 | 平顶山平煤机煤矿机械装备有限公司 | Shock-resistant upright post with high-elasticity detachable device |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113175342A (en) * | 2021-04-15 | 2021-07-27 | 中煤科工开采研究院有限公司 | Shock-resistant double-telescopic upright post |
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