CN110219682A - Anti-impacting upright column with high resiliency detachable apparatus - Google Patents

Anti-impacting upright column with high resiliency detachable apparatus Download PDF

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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
Authority
CN
China
Prior art keywords
sleeve
cylinder
thin
middle cylinder
cavity
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.)
Pending
Application number
CN201910468292.4A
Other languages
Chinese (zh)
Inventor
周玉乾
王跃功
李延波
王芬
李恒乾
李战营
李艳飞
毛振营
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Pingdingshan Pmj Coal Mine Machinery Equipment Co Ltd
Original Assignee
Pingdingshan Pmj Coal Mine Machinery Equipment Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Pingdingshan Pmj Coal Mine Machinery Equipment Co Ltd filed Critical Pingdingshan Pmj Coal Mine Machinery Equipment Co Ltd
Priority to CN201910468292.4A priority Critical patent/CN110219682A/en
Publication of CN110219682A publication Critical patent/CN110219682A/en
Pending legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D15/00Props; Chocks, e.g. made of flexible containers filled with backfilling material
    • E21D15/50Component parts or details of props
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D15/00Props; Chocks, e.g. made of flexible containers filled with backfilling material
    • E21D15/14Telescopic props
    • E21D15/44Hydraulic, pneumatic, or hydraulic-pneumatic props

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  • 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

Anti-impacting upright column with high resiliency detachable apparatus
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.
CN201910468292.4A 2019-05-31 2019-05-31 Anti-impacting upright column with high resiliency detachable apparatus Pending CN110219682A (en)

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
CN201910468292.4A CN110219682A (en) 2019-05-31 2019-05-31 Anti-impacting upright column with high resiliency detachable apparatus

Publications (1)

Publication Number Publication Date
CN110219682A true CN110219682A (en) 2019-09-10

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Cited By (1)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Patent Citations (8)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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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