CN202451175U - Expandable strut capable of resisting deformation of U-shaped steel - Google Patents
Expandable strut capable of resisting deformation of U-shaped steel Download PDFInfo
- Publication number
- CN202451175U CN202451175U CN2011205514446U CN201120551444U CN202451175U CN 202451175 U CN202451175 U CN 202451175U CN 2011205514446 U CN2011205514446 U CN 2011205514446U CN 201120551444 U CN201120551444 U CN 201120551444U CN 202451175 U CN202451175 U CN 202451175U
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- shaped steel
- tunnel
- expandable
- fixed
- shaped
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- Expired - Fee Related
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Abstract
The utility model discloses an expandable strut capable of resisting deformation of U-shaped steel, and belongs to the technical field of coal mine underground equipment and relates to an expandable strut capable of resisting deformation of U-shaped steel used in a coal mine. The utility model adopts a technical scheme that the strut consists of U-shaped steel cross beams, U-shaped steel clips, an n-shaped beam and single hydraulic props, wherein every two U-shaped steel cross beams are connected to form an expandable cross beam; the two ends of each expandable cross beam are fixed on the upper parts of two ends of the n-shaped beam; the top end of each single hydraulic prop is fixed at the bottom of grooves formed at the two ends of the n-shaped beam; and a base is fixed on a tunnel floor. The utility model has the advantages that the device serving as an anti-deformation auxiliary device for a tunnel steel shed can adapt to different cross sections of the tunnel and bear pressures applied by the tunnel in upward, downward, leftward and rightward directions, thereby largely preventing the steel shed from deforming, allowing workers to see potential threats through the pressure bearing state of the expandable cross beams and the hydraulic props and making a processing scheme in time to eliminate the threats before it actually happens.
Description
Technical field
The utility model belongs to equipment technology field under the coal mine, relates to the scalability U shaped steel anti-deformation bracing or strutting arrangement that uses under a kind of coal mine.
Background technology
Roof accident is one of the major casualty in colliery, and it is that the coal seam is destroyed support apparatus and the landslide accident of generation by various pressure influences, and safety in production and worker's life security have been caused serious threat.At present, U shaped steel shed shoring is used in the down-hole supporting more.Traditional U shaped steel shed shoring often causes deformation of timbering because of Tunnel Pressure is excessive; When influencing workmanship safety is also caused certain influence; Being out of shape serious steelframe canopy supporting loses enabling capabilities and causes the landslide of roof fall even large tracts of land; Make the disaster enlarged areas, the safety of down-hole worker and whole mine in serious threat.
Summary of the invention
The purpose of the utility model is: this device prevents to make steelframe canopy supporting gross distortion cause unpredictalbe danger owing to Tunnel Pressure is excessive in the roadway support process.
The technical scheme of the utility model is: this device is made up of four U shaped steel crossbeams, two cover U shaped steel clamps, two π type beams and four hydraulic props; Wherein per two U shaped steel crossbeams connect to form a scalable crossbeam from beginning to end through U shaped steel clamp; The two ends of scalable crossbeam are fixed on top, π type beam two ends; π type beam slot opening is downward, and the top of hydraulic prop is fixed on π type beam two ends bottom portion of groove, and the base of hydraulic prop is fixed on the roadway floor.On U shaped steel crossbeam and the hydraulic prop scale is arranged.
The beneficial effect of the utility model: this device is as the anti-deformation servicing unit of tunnel steelframe canopy supporting; Can adapt to the tunnel different section; Bear the tunnel pressure in four orientation up and down simultaneously; Prevent steelframe canopy supporting distortion to greatest extent, also make the staff observe the threat of existence so that in time formulate processing scheme, disaster is threatened the bud of eliminating in accident through the artesian condition of flexible crossbeam and hydraulic prop.
Description of drawings
Accompanying drawing 1 is the utility model structural representation.
Accompanying drawing 2 is the utility model A-A cross-sectional view.
Accompanying drawing 3 is the utility model user mode sketch mapes.
The specific embodiment
This device is made up of four U shaped steel crossbeams 1, two cover U shaped steel clamps 2, two π type beams 3 and four hydraulic props 4, and wherein per two U shaped steel crossbeams 1 connect to form a scalable crossbeam from beginning to end through U shaped steel clamp 2.Scalable crossbeam is provided with entire length according to the concrete size of tunnel steelframe canopy supporting 5 before use flexibly, and its entire length shortens when bearing the left and right sides, tunnel pressure in the use and surpassing certain numerical value, and the numerical value of shortening is intuitively shown by self scale.The two ends of scalable crossbeam are fixed on top, π type beam 3 two ends, and π type beam 3 slot openings are downward, and the top of hydraulic prop 4 is fixed on π type beam 3 two ends bottom portion of groove, and the base of hydraulic prop 4 is fixed on the roadway floor 6.Hydraulic prop 4 bears downforce on the tunnel in using, and this compression value shows through self scale value.
This device is as the anti-deformation servicing unit of tunnel steelframe canopy supporting 5; Can adapt to the tunnel different section; Bear the tunnel pressure in four orientation up and down simultaneously; Prevent steelframe canopy supporting 5 distortion to greatest extent, also make the staff see the threat of existence intuitively so that in time formulate processing scheme, disaster is threatened the bud of eliminating in accident through the artesian condition of flexible crossbeam and hydraulic prop.
Claims (2)
1. scalable anti-U shaped steel distortion support; Form by four U shaped steel crossbeams (1), two cover U shaped steel clamps (2), two π type beams (3) and four hydraulic props (4); It is characterized in that: wherein per two U shaped steel crossbeams (1) connect to form a scalable crossbeam through U shaped steel clamp (2) head and the tail; The two ends of scalable crossbeam are fixed on π type beam (3) top, two ends; π type beam (3) slot opening is downward, and the top of hydraulic prop (4) is fixed on π type beam (3) two ends bottom portion of groove, and the base of hydraulic prop (4) is fixed on the roadway floor (6).
2. scalable anti-U shaped steel distortion support according to claim 1 is characterized in that: on U shaped steel crossbeam (1) and the hydraulic prop (4) scale is arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205514446U CN202451175U (en) | 2011-12-27 | 2011-12-27 | Expandable strut capable of resisting deformation of U-shaped steel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205514446U CN202451175U (en) | 2011-12-27 | 2011-12-27 | Expandable strut capable of resisting deformation of U-shaped steel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202451175U true CN202451175U (en) | 2012-09-26 |
Family
ID=46867044
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205514446U Expired - Fee Related CN202451175U (en) | 2011-12-27 | 2011-12-27 | Expandable strut capable of resisting deformation of U-shaped steel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202451175U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102562103A (en) * | 2011-12-27 | 2012-07-11 | 安阳鑫龙煤业（集团）红岭煤业有限责任公司 | Telescopic strut capable of preventing U-shaped steel from deforming |
| CN103470279A (en) * | 2013-09-15 | 2013-12-25 | 湘潭大学 | U-shaped steel bracket capable of actively controlling deformation of surrounding rocks |
| CN110805277A (en) * | 2019-11-24 | 2020-02-18 | 上海宝冶集团有限公司 | Auxiliary supporting device for plate-free beam |
-
2011
- 2011-12-27 CN CN2011205514446U patent/CN202451175U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102562103A (en) * | 2011-12-27 | 2012-07-11 | 安阳鑫龙煤业（集团）红岭煤业有限责任公司 | Telescopic strut capable of preventing U-shaped steel from deforming |
| CN103470279A (en) * | 2013-09-15 | 2013-12-25 | 湘潭大学 | U-shaped steel bracket capable of actively controlling deformation of surrounding rocks |
| CN103470279B (en) * | 2013-09-15 | 2016-02-17 | 湘潭大学 | Can the U-shaped steel bracket of ACTIVE CONTROL surrouding rock deformation |
| CN110805277A (en) * | 2019-11-24 | 2020-02-18 | 上海宝冶集团有限公司 | Auxiliary supporting device for plate-free beam |
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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: 20120926 Termination date: 20121227 |