CN102619539A - Mining fast energy absorption erosion prevention yielding component - Google Patents

Mining fast energy absorption erosion prevention yielding component Download PDF

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Publication number
CN102619539A
CN102619539A CN2012100875841A CN201210087584A CN102619539A CN 102619539 A CN102619539 A CN 102619539A CN 2012100875841 A CN2012100875841 A CN 2012100875841A CN 201210087584 A CN201210087584 A CN 201210087584A CN 102619539 A CN102619539 A CN 102619539A
Authority
CN
China
Prior art keywords
support
energy
impact
scrimp
textures
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
CN2012100875841A
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Chinese (zh)
Inventor
潘一山
王洪英
李忠华
陈志才
徐兴强
肖永惠
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.)
BEIJING CHENTIAN-HENGYE COLLERY EQUIPMENT Co Ltd
Liaoning Technical University
Original Assignee
BEIJING CHENTIAN-HENGYE COLLERY EQUIPMENT Co Ltd
Liaoning Technical University
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 BEIJING CHENTIAN-HENGYE COLLERY EQUIPMENT Co Ltd, Liaoning Technical University filed Critical BEIJING CHENTIAN-HENGYE COLLERY EQUIPMENT Co Ltd
Priority to CN2012100875841A priority Critical patent/CN102619539A/en
Publication of CN102619539A publication Critical patent/CN102619539A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a mining fast energy absorption erosion prevention yielding component. The component adopts a waved cylindrical structure comprising convex textures (52) and concave textures (53), wherein the convex textures (52) and the concave textures (53) are connected with each other according to a certain included angle (51). As the thin wall cylindrical structure in a specific wave shape is made of an elastic plastic material with high strength and large impact ductility, nominal support capability can be reached under the action of axial dead load, considerable elastic plastic compressive deformation yielding can be realized under the action of impact load, external impact can be eliminated fast, and impact energy can be absorbed efficiently. As support material or support equipment in a support system is protected from being damaged seriously, the safety of on-site working personal, and other production equipment are protected.

Description

A kind of mining quick energy-absorbing erosion control support unit of stepping down
Technical field
The present invention relates to the coal mine support security fields, relate in particular to a kind of quick energy-absorbing erosion control of using of can combining with existing support form support unit of stepping down.
Background technology
Bump is one of main dynamic disaster of mining engineering.Increase day by day along with the mining mineral resource degree of depth; The bump generation frequency and destructiveness are also strong further, and a large amount of impact energy of abrupt release causes tunnel wall caving, roof fall and pucking when taking place to impact; The whole unstability of supporting and protection structure; Plant equipment is tumbled, is destroyed, even accident such as casualties, has a strong impact on safety of coal mines exploitation and Field Force's life security.
Bump (also claim ore deposit shake or rock burst) is one of great disaster in colliery, is to concentrate moment of a kind of huge elastic energy of bringing out because of mining to discharge.The huge elastic energy that discharges in a flash that bump takes place; Can the heavy damage transportation, airway and coal-face, cause top board moment to sink and base plate moment distension rises, large tracts of land is overturned production equipment; Destroy support; Can also cause that gas gushes out, even accident such as gas explosion, and cause casualties.According to statistics, at present the colliery of China with bump reached family more than 100.
Support form commonly used has wooden support, steel lining, hydraulic prop supporting and hydraulic support stand etc., is all the rigidity supporting, and the safety requirements that can satisfy the mine support system is basically depressed in static ore deposit.But in case the burst bump, the energy that the country rock of destruction carries produces the huge impact effect to support system, causes support material or support apparatus short time set to destroy, thereby causes the whole unstability accident of support system.
Summary of the invention
In order to overcome above-mentioned defective, the present invention provides a kind of mining quick energy-absorbing erosion control support unit of stepping down, and what can combine with existing support form and use subdues external impact force fast, absorbs impact energy, and has good bearing capacity.
For realizing the foregoing invention purpose; The present invention proposes a kind of mining quick energy-absorbing erosion control support unit of stepping down, and it is characterized in that this member has the tubular structure of scrimp shape; Comprise protruding scrimp and recessed scrimp, said recessed scrimp links to each other according to certain included angle with said protruding scrimp.Wherein, said energy-absorbing erosion control steps down that the length of side, parameter, joint of support unit is long, the energy-absorbing rate when joint number and angle are supporting capacity and the conquassation when stepping down the support unit axial compression according to said energy-absorbing erosion control utilizes microcomputer modelling to calculate.
More preferably, the said energy-absorbing erosion control support unit of stepping down is built-in with gusset.
The invention has the advantages that; The present technique scheme is exactly the characteristics that energy is out of shape at a high speed with quick release of impulse form and rock mass when being directed against the bump generation; Design a kind of erosion control energy-absorbing member that can combine with hydraulic support, hydraulic prop or other existing rigidity support form and use; This member selects for use the elastic-plastic material that intensity is high, impact toughness is big to process the thin-walled tubular structure with specific scrimp shape; Under the axial static load effect, can reach specified enabling capabilities, can realize that under impact loading elastoplasticity compressive strain is stepped down significantly, subdue the function of external impact force, efficient absorption impact energy fast; Through guaranteeing in the support system support material or support apparatus, and then play the effect of keep the scene intact staff's safety and other production equipment not by badly damaged.
Description of drawings
A kind of mining quick energy-absorbing erosion control that Fig. 1 proposes for the present invention one of the support unit structure front view of stepping down;
Fig. 2 is the energy-absorbing erosion control shown in Figure 1 support unit vertical view of stepping down;
Fig. 3 is the energy-absorbing erosion control shown in Figure 1 support unit expanded view of stepping down.
Reference numeral:
51, angle, 52, protruding scrimp, 53, recessed scrimp.
The specific embodiment
Below in conjunction with accompanying drawing and specific embodiment the present invention is further described, but protection scope of the present invention is not limited to this.
The energy-absorbing erosion control basic structure of support unit higher this characteristic of energy-absorbing rate when being the good supporting capacity that had according to the thin-wall metal pipe axial compression and conquassation of stepping down; Adopt member bodies both can adopt metal material, also can adopt other similar elastic-plastic materials.Process the thin-walled tubular structure of special scrimp shape, make it have more superior carrying and energy absorption characteristics.Aspect the choosing of material, preferentially choose high strength low-carbon steel plate or similar elastic-plastic material.
The energy-absorbing erosion control support unit of stepping down is the thin-walled tubular structure that special scrimp form is arranged, and both can process polygonized structure, also can process similar thin-walled tubular structure such as columnar structured grade.Inside can stiffened panel, also stiffened panel not.
The energy-absorbing erosion control support unit of stepping down is a polygon thin-walled tubular structure, and a plurality of sections are arranged on its short transverse, is that example is described with quadrangle two segment member here.As shown in Figure 1, a kind of mining quick energy-absorbing erosion control that Fig. 1 proposes for the present invention one of the support unit structure front view of stepping down.As shown in Figure 2, Fig. 2 is an energy-absorbing erosion control support unit vertical view shown in Figure 1.As shown in Figure 3, Fig. 3 is the energy-absorbing erosion control shown in Figure 1 support unit expanded view of stepping down.This member has the tubular structure of scrimp shape, comprises protruding scrimp 52 and recessed scrimp 53, and said recessed scrimp 53 links to each other according to certain included angle 51 with said protruding scrimp 52.
Energy-absorbing erosion control step down support unit merogenesis and limit on body; The size of member is confirmed by the length of side, limit number, joint length, joint number; Also with the adjacent symmetric face between angle relevant, the most reasonably geomery ratio that draws according to Computer simulation results is as the main design considerations of this component load-bearing ability and energy absorption performance.
The present invention amounts to by corresponding angle along concavo-convex scrimp with steel plate to form, and its expansion situation is as shown in Figure 3.The member body can be synthetic by two symmetric parts, also can be synthetic by four parts.
Higher these characteristics of energy-absorbing rate when good supporting capacity that energy-absorption type erosion control safety support member is had according to the thin-wall metal pipe axial compression and conquassation; Adopt high strength low-carbon steel plate or similar elastic-plastic material; Process the thin-walled tubular structure of special scrimp form, let it have more superior carrying and energy absorption characteristics.Member of the present invention has high strength and the characteristic of the energy-absorbing of stepping down fast; Combine to form hard and soft coupling supporting system with existing support material or support apparatus; Solved poor, the slow-footed problem of stepping down of existing support system opposing impact capacity; Fill up the technological gap that existing support form can not effectively absorb the impact elasticity ability, had tangible technical advance and practicality.
It should be noted last that above embodiment is only unrestricted in order to technical scheme of the present invention to be described.Although the present invention is specified with reference to embodiment; Those of ordinary skill in the art is to be understood that; Technical scheme of the present invention is made amendment or is equal to replacement, do not break away from the spirit and the scope of technical scheme of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.

Claims (2)

1. mining quick energy-absorbing erosion control member of stepping down; It is characterized in that this member has the tubular structure of scrimp shape, this structure comprises a plurality of joints; Each joint comprises protruding scrimp (53) and recessed scrimp (54), and said recessed scrimp (54) links to each other according to certain included angle (52) with said protruding scrimp (53).
2. the mining quick energy-absorbing erosion control according to claim 1 member of stepping down is characterized in that, the said energy-absorbing erosion control member of stepping down is built-in with gusset.
CN2012100875841A 2012-03-29 2012-03-29 Mining fast energy absorption erosion prevention yielding component Pending CN102619539A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012100875841A CN102619539A (en) 2012-03-29 2012-03-29 Mining fast energy absorption erosion prevention yielding component

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2012100875841A CN102619539A (en) 2012-03-29 2012-03-29 Mining fast energy absorption erosion prevention yielding component

Publications (1)

Publication Number Publication Date
CN102619539A true CN102619539A (en) 2012-08-01

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103541747A (en) * 2013-10-10 2014-01-29 辽宁工程技术大学 Flower-shape thin-wall energy-absorption erosion-prevention shoring device
CN103557017A (en) * 2013-11-08 2014-02-05 辽宁工程技术大学 Impact-resistance and energy-absorption lengthening bar for single prop
CN103821542A (en) * 2014-03-13 2014-05-28 辽宁工程技术大学 Anti-collision support with corrugated face
CN103982212A (en) * 2014-05-19 2014-08-13 辽宁工程技术大学 Mine hexagonal tubular resistive energy-absorption anti-impact device
CN106369268A (en) * 2016-09-20 2017-02-01 天津大学 Geometric gradual change folding line pipe

Citations (5)

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CN102076989A (en) * 2008-06-26 2011-05-25 富国股份有限公司 Bump stopper and manufacturing method therefor
CN201884540U (en) * 2010-11-24 2011-06-29 柳州克雷拉减振器有限公司 Dust cover for shock absorber
CN101646583B (en) * 2007-03-07 2011-07-06 成俊烨 Crash box for an automobile
CN102606177A (en) * 2012-03-28 2012-07-25 北京诚田恒业煤矿设备有限公司 Hydraulic prop for hydraulic support system
CN202596748U (en) * 2012-03-29 2012-12-12 辽宁工程技术大学 Mine supporting member capable of rapidly absorbing energy and preventing scouring for avoidance

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CN101646583B (en) * 2007-03-07 2011-07-06 成俊烨 Crash box for an automobile
CN102076989A (en) * 2008-06-26 2011-05-25 富国股份有限公司 Bump stopper and manufacturing method therefor
CN201884540U (en) * 2010-11-24 2011-06-29 柳州克雷拉减振器有限公司 Dust cover for shock absorber
CN102606177A (en) * 2012-03-28 2012-07-25 北京诚田恒业煤矿设备有限公司 Hydraulic prop for hydraulic support system
CN202596748U (en) * 2012-03-29 2012-12-12 辽宁工程技术大学 Mine supporting member capable of rapidly absorbing energy and preventing scouring for avoidance

Non-Patent Citations (1)

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Title
HAN ZHAO等: "On the strength enhancement under impact loading of square tubes made from rate insensitive metals", 《INTERNATIONAL JOURNAL OF SOLIDS AND STRUCTURES》, vol. 41, 17 July 2004 (2004-07-17), pages 6677 - 6696 *

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103541747A (en) * 2013-10-10 2014-01-29 辽宁工程技术大学 Flower-shape thin-wall energy-absorption erosion-prevention shoring device
CN103557017A (en) * 2013-11-08 2014-02-05 辽宁工程技术大学 Impact-resistance and energy-absorption lengthening bar for single prop
CN103557017B (en) * 2013-11-08 2015-06-17 辽宁工程技术大学 Impact-resistance and energy-absorption lengthening bar for single prop
CN103821542A (en) * 2014-03-13 2014-05-28 辽宁工程技术大学 Anti-collision support with corrugated face
CN103821542B (en) * 2014-03-13 2016-04-06 辽宁工程技术大学 A kind of erosion control support with setback line profile
CN103982212A (en) * 2014-05-19 2014-08-13 辽宁工程技术大学 Mine hexagonal tubular resistive energy-absorption anti-impact device
CN103982212B (en) * 2014-05-19 2016-09-28 辽宁工程技术大学 The anti-energy-absorbing checking motion that allows of mining hexagon tubular type
CN106369268A (en) * 2016-09-20 2017-02-01 天津大学 Geometric gradual change folding line pipe

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Application publication date: 20120801

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