CN103485809A - Shoulder protection type steel belt - Google Patents
Shoulder protection type steel belt Download PDFInfo
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- CN103485809A CN103485809A CN201210188392.XA CN201210188392A CN103485809A CN 103485809 A CN103485809 A CN 103485809A CN 201210188392 A CN201210188392 A CN 201210188392A CN 103485809 A CN103485809 A CN 103485809A
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- steel band
- steel belt
- band body
- groove
- side arm
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Abstract
The invention provides a shoulder protection type steel belt, which comprises a steel belt body, wherein a groove in the axial direction is formed in the middle position of the steel belt body, a plurality of anchor rod holes are formed in the groove, one side arm is respectively and fixedly arranged at the two end parts of the steel belt body, and the side arms are vertical to the steel belt body. The bending resistance performance, the tension resistance performance, the anti-shearing performance and the anti-tearing performance of the steel belt are improved, in addition, the rigidity is improved, great protection is realized on the two shoulder pits of a roadway, the support intensity of the roadway and the pressure resistance capability of the roadway are enhanced, and the occurrence of deviation accidents is avoided.
Description
Technical field
The present invention relates to the temporary support device in coal rock tunnel and tunnel, relate in particular to a kind of steel band beam for large Cross Section Coal Roadway supporting.
Background technology
Colliery tunnel support is a key technology in coal mining, its reasonable, safe and reliable Roadway Support Technology is the necessary condition that high-yield and high-efficiency was kept the safety in production and realized to the assurance coal mine operation, the section of its supporting is ascending, and range of application develops to weak stratum from stablizing rock stratum.
Current large-scale mine, all promote " anchor, net, beam, lock " combined supporting at coal road, by steel band, many anchor poles that disperse are linked up and form a monocoque structure, the common assembled bolt support that forms, the significant whole structure that improves anchor pole, in imperfect roof strata, to processing unstable country rock best results.
In bolt support, the power of monomer bolt action in the surface, tunnel concentrates on a bit, by steel band, can realize being uniformly distributed of top and sidewall load, enlarges the supporting scope of anchor pole.The steel band adopted at present roughly comprises three kinds: dull and stereotyped steel band, W steel band of model and H steel band of model.Dull and stereotyped steel band, have the supporting area large, lightweight, process the advantages such as simple, but supporting intensity is little, supporting effect is poor; The W steel band of model has that the supporting area is large, stiffness and anti-bending strength better, but its tear resistance is poor; H steel band of model tension, shear behavior are poor.
But the coal road top of using at present, the equal length of steel band beam of section of side are not all " one " font steel band, because rock roadway in coal mine all adopts the fully-mechanized digging machine drilling depth, because of the uncertain factor of down-hole geological conditions, the factor of manual operation etc., the anchor pole support that the steel band of " one " font has connected easily causes inclined to one side side, the width in tunnel inhomogeneous, the shoulder nest can not get effective control, causes thus certain potential safety hazard.
Summary of the invention
The present invention will solve above-mentioned deficiency exactly, provide the shoulder nest supporting of a kind of tunnel firmly, side, span length are controlled a kind of coal road shoulder protector type steel band that puts in place to rib partially.
In order to reach above-mentioned effect, the invention provides a kind of shoulder protector type steel band, comprise the steel band body, the centre position of described steel band body is provided with groove vertically, is provided with several boltholes in described groove; The two ends of described steel band body respectively sets firmly a side arm, and described side arm is vertical with the steel band body.
Described two side arms is in the same side of steel band body, and side arm is provided with spacing hole.
The both wings of described steel band body carry out bending to described groove the same side, and the steel band body cross-section is the W type.
Described groove is vertical with described steel band body.
Shoulder protector type steel band of the present invention middle part is groove, and is provided with the fixing hole for fixing anchor bar, and both wings carry out bending to a side of groove, its cross section is the W type, its specification size is also consistent with the existing normal W steel band used, and is convenient to the control of span length, is conducive to the standardized quality management in tunnel.In addition, this kind of design improved the anti-bending strength of steel band and tension, shearing resistance tear resistance greatly, and its stiffness increases.Steel band body two ends forms side arm to same direction bending, also be provided with spacing hole on side arm, strengthened the intensity of steel band with end itself, will disperse many anchor poles to be tied while forming a monocoque structure, steel belt lacing place is stronger in twos for it, and the shoulder nest supporting in its tunnel is more firm.Spacing hole can be fixed with other steel band or anchor pole, spacing, regulate the position of bottom.
During use, the top of supporting is provided with the shoulder protector type steel band of side arm with two, section of side steel band still adopts existing W steel band of model, and section of side steel band can be overlapped on the side arm of shoulder protector type steel band according to the sky designed, make top, section of side steel band hold together, many anchor poles that disperse are linked up and form a monocoque structure, jointly form the assembled bolt support.
The beneficial effect of the relatively existing steel band of the present invention is:
1, great protection has been played in the two shoulder nests in tunnel, avoided the generation of inclined to one side side accident;
2, top, tunnel, section of side steel band hold together, and have increased the supporting intensity in tunnel and the anti-pressure ability in tunnel;
3, the uniform specification of shoulder protector type W steel band and W steel band, be convenient to the control of span length, is conducive to the standardized quality management in tunnel;
4, improved the anti-bending strength of steel band and tension, shearing resistance, tear resistance, and its stiffness increases.
The accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
Fig. 1 is structural front view of the present invention;
Fig. 2 is A-A place sectional block diagram in Fig. 2;
Fig. 3 is structure side view of the present invention;
In figure: 1-steel band body, 2-both wings, 3-bolthole, 4-groove, 5-side arm, 6-spacing hole.
The specific embodiment
The shoulder protector type steel band, comprise steel band body 1 as shown in Figure 1, Figure 2, Figure 3 shows, and the centre position of described steel band body 1 is provided with perpendicular grooves 4 vertically, is provided with several boltholes 3 in described groove 4; The two ends of described steel band body 1 respectively sets firmly a side arm 5, and described side arm 5 is vertical with steel band body 1, and two side arms 5 is positioned at the same side of steel band body 1, and side arm 5 is provided with spacing hole 6.The both wings 2 of described steel band body 1 carry out bending to a side of groove 4, and the cross section of steel band body 1 is the W type.
Shoulder protector type steel band of the present invention middle part is groove, and is provided with the fixing hole for fixing anchor bar, and both wings carry out bending to a side of groove, its cross section is the W type, its specification size is also consistent with the existing normal W steel band used, and is convenient to the control of span length, is conducive to the standardized quality management in tunnel.In addition, this kind of design improved the anti-bending strength of steel band and tension, shearing resistance tear resistance greatly, and its stiffness increases.Steel band body two ends forms side arm to same direction bending, also be provided with spacing hole on side arm, strengthened the intensity of steel band with end itself, will disperse many anchor poles to be tied while forming a monocoque structure, steel belt lacing place is stronger in twos for it, and the shoulder nest supporting in its tunnel is more firm.Spacing hole can be fixed with other steel band or anchor pole, spacing, regulate the position of bottom.
During use, the top of supporting is provided with the shoulder protector type steel band of side arm with two, section of side steel band still adopts existing W steel band of model, and section of side steel band can be overlapped on the side arm of shoulder protector type steel band according to the sky designed, make top, section of side steel band hold together, many anchor poles that disperse are linked up and form a monocoque structure, jointly form the assembled bolt support.
Above embodiment is not limited only to protection scope of the present invention, all based on basic thought of the present invention, modify or change all belong to protection scope of the present invention.
Claims (4)
1. a shoulder protector type steel band, comprise the steel band body, it is characterized in that: the centre position of described steel band body is provided with groove vertically, is provided with several boltholes in described groove; The two ends of described steel band body respectively sets firmly a side arm, and described side arm is vertical with the steel band body.
2. a kind of shoulder protector type steel band according to claim 1, it is characterized in that: described two side arms is in the same side of steel band body, and side arm is provided with spacing hole.
3. a kind of shoulder protector type steel band according to claim 1, it is characterized in that: the both wings of described steel band body carry out bending to described groove the same side, and the steel band body cross-section is the W type.
4. a kind of shoulder protector type steel band according to claim 1, it is characterized in that: described groove is vertical with described steel band body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210188392.XA CN103485809A (en) | 2012-06-10 | 2012-06-10 | Shoulder protection type steel belt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210188392.XA CN103485809A (en) | 2012-06-10 | 2012-06-10 | Shoulder protection type steel belt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103485809A true CN103485809A (en) | 2014-01-01 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210188392.XA Pending CN103485809A (en) | 2012-06-10 | 2012-06-10 | Shoulder protection type steel belt |
Country Status (1)
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| CN (1) | CN103485809A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4798501A (en) * | 1986-08-29 | 1989-01-17 | Rudolf Hausherr & Sohne Gmbh & Co. Kg | Flexible rock anchor |
| CN2196689Y (en) * | 1994-08-05 | 1995-05-10 | 侯忠杰 | Combined-annualation skew-shoulder steel belt and anchor-bolt combination supporting device |
| RU2042824C1 (en) * | 1992-09-09 | 1995-08-27 | Всесоюзный Научно-Исследовательский И Проектно-Конструкторский Угольный Институт | Anchor |
| CN2748639Y (en) * | 2004-07-09 | 2005-12-28 | 中国矿业大学 | Anti-tearing steel strip with high flange for mine support |
| CN200952402Y (en) * | 2006-08-01 | 2007-09-26 | 马金志 | Minewell antitearing supporting steel band |
| CN101265806A (en) * | 2008-05-06 | 2008-09-17 | 煤矿瓦斯治理国家工程研究中心 | Large-inclination thick coal seam gob-side entry driving side supporting device with small coal pillars |
| CN202596761U (en) * | 2012-06-10 | 2012-12-12 | 解波 | Shoulder protecting type steel belt |
-
2012
- 2012-06-10 CN CN201210188392.XA patent/CN103485809A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4798501A (en) * | 1986-08-29 | 1989-01-17 | Rudolf Hausherr & Sohne Gmbh & Co. Kg | Flexible rock anchor |
| RU2042824C1 (en) * | 1992-09-09 | 1995-08-27 | Всесоюзный Научно-Исследовательский И Проектно-Конструкторский Угольный Институт | Anchor |
| CN2196689Y (en) * | 1994-08-05 | 1995-05-10 | 侯忠杰 | Combined-annualation skew-shoulder steel belt and anchor-bolt combination supporting device |
| CN2748639Y (en) * | 2004-07-09 | 2005-12-28 | 中国矿业大学 | Anti-tearing steel strip with high flange for mine support |
| CN200952402Y (en) * | 2006-08-01 | 2007-09-26 | 马金志 | Minewell antitearing supporting steel band |
| CN101265806A (en) * | 2008-05-06 | 2008-09-17 | 煤矿瓦斯治理国家工程研究中心 | Large-inclination thick coal seam gob-side entry driving side supporting device with small coal pillars |
| CN202596761U (en) * | 2012-06-10 | 2012-12-12 | 解波 | Shoulder protecting type steel belt |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140101 |