CN2797634Y - Sealed type I steel composite supporting - Google Patents
Sealed type I steel composite supporting Download PDFInfo
- Publication number
- CN2797634Y CN2797634Y CN 200520032548 CN200520032548U CN2797634Y CN 2797634 Y CN2797634 Y CN 2797634Y CN 200520032548 CN200520032548 CN 200520032548 CN 200520032548 U CN200520032548 U CN 200520032548U CN 2797634 Y CN2797634 Y CN 2797634Y
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- CN
- China
- Prior art keywords
- steel
- worker
- shed
- pipe column
- support bracket
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- Expired - Fee Related
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Abstract
The utility model discloses a sealed type I-steel assembling support bracket, which comprises a trapezoid I-steel shed, the bottom part of the trapezoid I-steel shed is provided with an I-steel bottom beam, both ends of the I-steel bottom beam are respectively and fixedly connected with a steel pipe post slot, and left and right side posts of the trapezoid I-steel shed are respectively inserted into the steel pipe post slots. The sealed type I-steel assembling support bracket has the characteristics and the advantages that posts of the trapezoid I-steel shed are inserted into the post slots on both sides of the bottom beam to increase the strength of the side pressing resistance of the support bracket, and the support bracket is in a sealing shape, and thus, the stability and the ground heaving resistance of the support bracket are increased.
Description
Technical field
The utility model relates to a kind of mine laneway bracing or strutting arrangement, especially closed worker's steel sectional shelf-unit.
Background technology
Geostatic stress is the three-dimensional anisobaric stress fields based on horizontal stress in most areas.Along with the increase of the pit mining degree of depth, geostatic stress also increasing, brings very big difficulty to supporting.The tradition coal roadway support is trapezoidal tool steel shed supporting, because the effect of geostatic stress, support destroys and is: at first be the ground distension, be then two help to move in the post leg, twisted, stride at last and collapse.
The utility model content
The purpose of this utility model provides a kind of novel structure, compressive strength height, good stability, closed worker's steel sectional shelf-unit that anti-pucking ability is strong.
The technical solution of the utility model is: a kind of closed worker's steel sectional shelf-unit, comprise trapezoidal tool steel shed, be provided with worker's steel bottom girder in the bottom of trapezoidal tool steel shed, respectively be fixedly connected with a steel pipe column groove at worker's steel bottom girder two ends, trapezoidal tool steel shed left and right sides post is inserted in respectively in the steel pipe column groove.
The steel pipe column trench bottom is provided with sealing plate.
The horizontal sextant angle β of steel pipe column groove and worker's steel bottom girder is 78 °.
The utility model following characteristics of having compared with conventional stent
1, closed worker's steel sectional shelf-unit characteristics and advantage:
(1) post with trapezoidal tool steel shed inserts in the post groove of bottom girder both sides, has greatly improved the lateral pressure resistant intensity of support;
(2) because this support is close-shaped, improved the stability and the anti-pucking ability of support.
2, the shortcoming of traditional trapezoidal tool steel shed supporting and failure mechanism:
(1) along with the increasing of mining depth, geostatic stress also increases thereupon, and especially level sharply increases, and is subjected to the effect of horizontal stress and vertical stress, moves the twisted last destruction of tool steel shed in the worker's steel column of trapezoidal tool steel shed both sides.
(2) traditional trapezoidal tool steel shed supporting is opening to roadway floor, at all without any the measure that prevents and treats pucking.
" repair after the preceding pick, the preceding back of repairing is bad " often appears in the trapezoidal tool steel shed supporting of the many employings of the coal road in past colliery, repaiied and repaiied, and maintenance cost is huge.Total input in every meter tunnel reaches more than 3000 yuan, still can not tackle the problem at its root, and directly influences the exploiting field and normally takes over.
Adopt closed trapezoidal tool steel shed supporting, through overtesting, respond well.Facts have proved, can not only solve a supporting difficult problem once and for all, and its supporting one cost is minimum.With regard to ore deposit, Gu Han mountain, the economic benefit preresearch estimates of its generation is annual more than 5,000,000 yuan.
Description of drawings
Fig. 1 is the utility model structural representation,
Fig. 2 is the enlarged drawing of Fig. 1 at the A place.
The specific embodiment
Structure of the present utility model is as shown in Figure 1 and Figure 2: comprise trapezoidal tool steel shed, trapezoidal tool steel shed is made up of member 1 and member 2, be provided with worker's steel bottom girder 3 in the bottom of trapezoidal tool steel shed, respectively be fixedly connected with a steel pipe column groove 4 at worker's steel bottom girder 3 two ends, member 2 bottoms in the trapezoidal tool steel shed are inserted in respectively forms the monolithic devices framework in the steel pipe column groove 4.The steel pipe column trench bottom is provided with sealing plate 5.The horizontal sextant angle β of steel pipe column groove and worker's steel bottom girder is 78 °.
Manufacturing process of the present utility model:
Bottom at the trapezoidal tool steel shed of tradition increases worker's steel bottom girder 3, worker's steel bottom girder 3 two ends add welding steel tubing string groove 4, inclined-plane, steel pipe column groove 4 bottom surface cut, the bottom constitutes sealing plate 5 with the welding of 5mm steel plate, and member 2 lower post of tool steel shed both sides are inserted in respectively forms the supporting of integrally closed type framework in the steel pipe column groove 4.
Claims (3)
1, a kind of closed worker's steel sectional shelf-unit comprises trapezoidal tool steel shed, it is characterized in that: be provided with worker's steel bottom girder in the bottom of trapezoidal tool steel shed, respectively be fixedly connected with a steel pipe column groove at worker's steel bottom girder two ends, trapezoidal tool steel shed left and right sides post is inserted in respectively in the steel pipe column groove.
2, closed worker's steel sectional shelf-unit according to claim 1, it is characterized in that: the steel pipe column trench bottom is provided with sealing plate.
3, closed worker's steel sectional shelf-unit according to claim 1 and 2, it is characterized in that: the horizontal sextant angle β of steel pipe column groove and worker's steel bottom girder is 78 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520032548 CN2797634Y (en) | 2005-11-07 | 2005-11-07 | Sealed type I steel composite supporting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520032548 CN2797634Y (en) | 2005-11-07 | 2005-11-07 | Sealed type I steel composite supporting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2797634Y true CN2797634Y (en) | 2006-07-19 |
Family
ID=36868874
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520032548 Expired - Fee Related CN2797634Y (en) | 2005-11-07 | 2005-11-07 | Sealed type I steel composite supporting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2797634Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101886545A (en) * | 2010-07-05 | 2010-11-17 | 北京科技大学 | Method for treating bottom heave of soft rock roadway by using micro broken stone pipe cast pile |
| CN103046937A (en) * | 2012-12-09 | 2013-04-17 | 山西鑫源机械制造有限公司 | Mine I-steel trapezoidal shed with bottom beam |
| CN103470278A (en) * | 2013-09-13 | 2013-12-25 | 山东科技大学 | Rectangular-section steel-encased concrete support |
| CN103470276A (en) * | 2013-09-06 | 2013-12-25 | 张爽 | Hollow-pipe concrete support |
-
2005
- 2005-11-07 CN CN 200520032548 patent/CN2797634Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101886545A (en) * | 2010-07-05 | 2010-11-17 | 北京科技大学 | Method for treating bottom heave of soft rock roadway by using micro broken stone pipe cast pile |
| CN103046937A (en) * | 2012-12-09 | 2013-04-17 | 山西鑫源机械制造有限公司 | Mine I-steel trapezoidal shed with bottom beam |
| CN103470276A (en) * | 2013-09-06 | 2013-12-25 | 张爽 | Hollow-pipe concrete support |
| CN103470276B (en) * | 2013-09-06 | 2016-03-09 | 张爽 | Hollow-pipe concrete support |
| CN103470278A (en) * | 2013-09-13 | 2013-12-25 | 山东科技大学 | Rectangular-section steel-encased concrete support |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |