CN202596761U - Shoulder protecting type steel belt - Google Patents
Shoulder protecting type steel belt Download PDFInfo
- Publication number
- CN202596761U CN202596761U CN 201220270020 CN201220270020U CN202596761U CN 202596761 U CN202596761 U CN 202596761U CN 201220270020 CN201220270020 CN 201220270020 CN 201220270020 U CN201220270020 U CN 201220270020U CN 202596761 U CN202596761 U CN 202596761U
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- CN
- China
- Prior art keywords
- steel band
- steel belt
- groove
- band body
- shoulder
- 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.)
- Expired - Fee Related
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Abstract
The utility model provides a shoulder protecting type steel belt, which comprises a steel belt body, wherein the middle position of the steel belt body is provided with a groove in the axial direction, a plurality of anchor rod holes are arranged in the groove, two end parts of the steel belt body are respectively and fixedly provided with one side arm, and the side walls are vertical to the steel belt body. The bending resistance performance, the tensile performance, the shearing resistance and the tearing resistance performance of the steel belt are improved, in addition, the stiffness is enhanced, great protection is realized on two shoulder foveae of a laneway, the support and protecting intensity of the laneway and the pressure resistance capability of the laneway are enhanced, and the occurrence of upper inclination accidents is avoided.
Description
Technical field
The utility model relates to the temporary support device in colliery stone head and tunnel, relates in particular to a kind of steel band beam that is used for big section coal roadway support.
Background technology
Colliery tunnel support is a key technology in the coal mining; Its reasonable, safe and reliable roadway support technology is the necessary condition that guarantees the coal mine operation safety in production and realize high-yield and high-efficiency; The section of its supporting is ascending, and range of application develops to weak stratum from stablizing the rock stratum.
Present large-scale mine; All promote " anchor, net, beam, lock " combined supporting at coal road; Link up monocoque structure of formation to many anchor poles that disperse through steel band, mutual group becomes the assembled bolt support, improves the whole structure of anchor pole significantly; In imperfect roof strata, to handling unstable country rock best results.
In bolt support, the power that the monomer anchor pole acts on tunnel surface concentrates on a bit, can realize the even distribution of top and sidewall load, the supporting scope of expansion anchor pole through steel band.The steel band that adopts 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 advantages such as the supporting area is big, in light weight, processing is simple, but supporting intensity is little, supporting effect is poor; The W steel band of model has that the supporting area is big, stiffness and anti-bending strength are 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 portion of group 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 causes inclined to one side group, the width in tunnel inhomogeneous easily, and the shoulder nest can not get effective control, causes certain potential safety hazard thus.
The utility model content
The utility model will solve above-mentioned deficiency exactly, provide the shoulder nest supporting of a kind of tunnel firmly, rib group, span length control a kind of coal road shoulder protector formula steel band that puts in place partially.
In order to reach above-mentioned effect, the utility model provides a kind of shoulder protector formula steel band, comprises the steel band body, and the centre position of said steel band body is provided with groove vertically, is provided with several boltholes in the said groove; The two ends of said steel band body respectively sets firmly a side arm, and said side arm is vertical with the steel band body.
Said two side arms is in the same side of steel band body, and side arm is provided with spacing hole.
The both wings of said steel band body carry out bending to said groove the same side, and the steel band body cross-section is the W type.
Said groove is vertical with said steel band body.
The utility model shoulder protector formula steel band middle part is a groove; And be provided with the fixing hole that is used for fixing anchor pole; Both wings carry out bending to a side of groove, and its cross section is the W type, and its sized is also consistent with the existing normal W steel band that uses; Be convenient to the control of span length, help the standardized quality management in tunnel.In addition, this kind design has improved anti-bending strength and tension, the shearing resistance tear resistance of steel band greatly, and its stiffness increases.Steel band body two ends forms side arm to same direction bending; Also be provided with spacing hole on the side arm, strengthened the intensity of steel band itself, in the time of will disperseing many anchor poles to connect monocoque structure of formation with the end; Steel belt lacing place is stronger in twos for it, and the shoulder nest supporting in its tunnel is more firm.Spacing hole can fix 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 formula steel band of side arm with two; Portion of group steel band still adopts existing W steel band of model, and portion of group steel band can make top, portion of group steel band hold together according to the sky overlap joint that designs on the side arm of shoulder protector formula steel band; Many anchor poles that disperse are linked up monocoque structure of formation, and mutual group becomes the assembled bolt support.
The beneficial effect of the existing relatively steel band of the utility model is:
1, two shoulder nests to the tunnel have played great protection, have avoided the generation of inclined to one side group accident;
2, top, tunnel, portion of group 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 formula W steel band and W steel band is convenient to the control of span length, helps the standardized quality management in tunnel;
4, improved anti-bending strength and tension, shearing resistance, the tear resistance of steel band, and its stiffness increases.
Description of drawings
Below in conjunction with the accompanying drawing and the specific embodiment the utility model is done further detailed explanation.
Fig. 1 is the utility model structural front view;
Fig. 2 is an A-A place sectional block diagram among Fig. 2;
Fig. 3 is the utility model structure side view;
Among the figure: 1-steel band body, 2-both wings, 3-bolthole, 4-groove, 5-side arm, 6-spacing hole.
The specific embodiment
Like Fig. 1, Fig. 2, shoulder protector formula steel band shown in Figure 3, comprise steel band body 1, the centre position of said steel band body 1 is provided with perpendicular grooves 4 vertically, is provided with several boltholes 3 in the said groove 4; The two ends of said steel band body 1 respectively sets firmly a side arm 5, and said 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 said 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.
The utility model shoulder protector formula steel band middle part is a groove; And be provided with the fixing hole that is used for fixing anchor pole; Both wings carry out bending to a side of groove, and its cross section is the W type, and its sized is also consistent with the existing normal W steel band that uses; Be convenient to the control of span length, help the standardized quality management in tunnel.In addition, this kind design has improved anti-bending strength and tension, the shearing resistance tear resistance of steel band greatly, and its stiffness increases.Steel band body two ends forms side arm to same direction bending; Also be provided with spacing hole on the side arm, strengthened the intensity of steel band itself, in the time of will disperseing many anchor poles to connect monocoque structure of formation with the end; Steel belt lacing place is stronger in twos for it, and the shoulder nest supporting in its tunnel is more firm.Spacing hole can fix 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 formula steel band of side arm with two; Portion of group steel band still adopts existing W steel band of model, and portion of group steel band can make top, portion of group steel band hold together according to the sky overlap joint that designs on the side arm of shoulder protector formula steel band; Many anchor poles that disperse are linked up monocoque structure of formation, and mutual group becomes the assembled bolt support.
Above embodiment is not limited only to the protection domain of the utility model, all based on the basic thought of the utility model and make amendment or change all belong to the utility model.
Claims (4)
1. a shoulder protector formula steel band comprises the steel band body, and it is characterized in that: the centre position of said steel band body is provided with groove vertically, is provided with several boltholes in the said groove; The two ends of said steel band body respectively sets firmly a side arm, and said side arm is vertical with the steel band body.
2. a kind of shoulder protector formula steel band according to claim 1, it is characterized in that: said 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 formula steel band according to claim 1, it is characterized in that: the both wings of said steel band body carry out bending to said groove the same side, and the steel band body cross-section is the W type.
4. a kind of shoulder protector formula steel band according to claim 1, it is characterized in that: said groove is vertical with said steel band body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220270020 CN202596761U (en) | 2012-06-10 | 2012-06-10 | Shoulder protecting type steel belt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220270020 CN202596761U (en) | 2012-06-10 | 2012-06-10 | Shoulder protecting type steel belt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202596761U true CN202596761U (en) | 2012-12-12 |
Family
ID=47314308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220270020 Expired - Fee Related CN202596761U (en) | 2012-06-10 | 2012-06-10 | Shoulder protecting type steel belt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202596761U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103485809A (en) * | 2012-06-10 | 2014-01-01 | 解波 | Shoulder protection type steel belt |
-
2012
- 2012-06-10 CN CN 201220270020 patent/CN202596761U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103485809A (en) * | 2012-06-10 | 2014-01-01 | 解波 | Shoulder protection type steel belt |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121212 Termination date: 20130610 |