CN204552773U - Soft-broken rock body inbreak tunnelling combination steel bracket suspension device - Google Patents
Soft-broken rock body inbreak tunnelling combination steel bracket suspension device Download PDFInfo
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- CN204552773U CN204552773U CN201520272553.2U CN201520272553U CN204552773U CN 204552773 U CN204552773 U CN 204552773U CN 201520272553 U CN201520272553 U CN 201520272553U CN 204552773 U CN204552773 U CN 204552773U
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- steel bracket
- door word
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Abstract
The utility model discloses a kind of Soft-broken rock body inbreak tunnelling combination steel bracket suspension device, it comprises at least two group parallel interval and is arranged in inbreak tunnel, and the trapezoidal steel bracket of door word adapted with tunnel sectional dimension, the interior upper angle place of two heel posts often organizing the trapezoidal steel bracket of door word is provided with bearing diagonal muscle, the both sides column bottom often organizing the trapezoidal steel bracket of door word is provided with footing beam, be integrated by connecting rod rigid connecting between two heel posts of the trapezoidal steel bracket of two adjacent groups door word, between the top cross-bar of the trapezoidal steel bracket of two adjacent groups door word, close-packed arrays is provided with some pipe seam anchor bars.All pipe seam anchor bars form a table top between the top cross-bar of the trapezoidal steel bracket of two adjacent groups door word, thus choose the rock mass collapsing and emit or subside.Its solves face in tunnelling process and collapses and to emit or driving after gob collapse in loose rock mass becomes a lane difficult problem, has easy construction, economical rationality, safety advantages of higher.
Description
Technical field
The utility model relates to underground mining tunnelling suspension device, refers to a kind of Soft-broken rock body inbreak tunnelling combination steel bracket suspension device particularly.
Background technology
Excavation is the primary work of underground ore exploitation, after roadway excavation, due to ground pressure and the stability of rock, often needs immediate support.The support pattern of current underground mine tunnelling has concrete spraying support, bolt support, bolting and shotcreting with wire mesh, steel bracket supporting, placing of concrete supporting etc., these support patterns are all carry out under the prerequisite be shaped in tunnel, but when carrying out tunneling into lane in across loose rock mass after emitting location or gob collapse, just there is limitation in these supporting and protection structure, easily continues across emitting so that forming inbreak dead zone in roof fall region.Therefore, for meeting the needs of tunnelling safety in production, solve face in tunnelling process to collapse and to emit or driving after gob collapse in loose rock mass becomes a lane difficult problem, those skilled in the art are making great efforts to explore always and roof fall region can be stoped to continue across the supporting and protection structure emitted, but not yet design desirable suspension device up to now.
Summary of the invention
The purpose of this utility model is the weak point overcoming above-mentioned background technology, provides a kind of roof fall region that can effectively stop to continue to combine steel bracket suspension device across the Soft-broken rock body inbreak tunnelling of emitting.
For achieving the above object, Soft-broken rock body inbreak tunnelling combination steel bracket suspension device designed by the utility model, it comprises at least two group parallel interval and is arranged in inbreak tunnel, and the trapezoidal steel bracket of door word adapted with tunnel sectional dimension, the interior upper angle place of two heel posts often organizing the trapezoidal steel bracket of door word is provided with bearing diagonal muscle, the both sides column bottom often organizing the trapezoidal steel bracket of door word is provided with footing beam, be integrated by connecting rod rigid connecting between two heel posts of the trapezoidal steel bracket of two adjacent groups door word, between the top cross-bar of the trapezoidal steel bracket of two adjacent groups door word, close-packed arrays is provided with some pipe seam anchor bars, the front support of every root pipe seam anchor bar is on the top cross-bar of the front group of trapezoidal steel bracket of door word, the rear end card of every root pipe seam anchor bar is pressed in below the top cross-bar of the rear group of trapezoidal steel bracket of door word, the shaft of every root pipe seam anchor bar is inserted in the Soft-broken rock body of inbreak, all pipe seam anchor bars form a table top between the top cross-bar of the trapezoidal steel bracket of two adjacent groups door word, thus choose the rock mass collapsing and emit or subside.
In technique scheme: the top cross-bar of the trapezoidal steel bracket of described door word is i iron crossbeam, two heel posts of the trapezoidal steel bracket of described door word are joist steel upright, and described i iron crossbeam is connected by contiguous block assembly is detachable with between joist steel upright.
In technique scheme: described contiguous block assembly comprises upper contiguous block and lower connecting block, four bights of described upper contiguous block and lower connecting block offer corresponding bolt hole respectively, described upper contiguous block is weldingly connected by the bottom surface of the rectangular solder face on it and i iron crossbeam, described lower connecting block is weldingly connected by the end face of the I-shaped solder side on it and joist steel upright, and described upper contiguous block is detachable connected by the bolt through its corresponding bolt hole with lower connecting block.
In technique scheme: described bearing diagonal muscle is strip angle bar part, and its two ends are weldingly connected with i iron crossbeam and joist steel upright respectively.
In technique scheme: described footing beam is rectangle steel plate, itself and joist steel upright bottom surface are weldingly connected.
In technique scheme: described connecting rod is round steel pipe fitting, it is respectively provided with 2 between the both sides joist steel upright of the trapezoidal steel bracket of two adjacent groups door word, and is weldingly connected with joist steel upright.
In technique scheme: the spacing distance of the trapezoidal steel bracket of adjacent door word is preferably 0.4 ~ 0.6m, the best is 0.5m.
The utility model tool has the following advantages:
Be integrated by connecting rod rigid connecting between two heel posts of 1, the trapezoidal steel bracket of two adjacent groups door word, be connected by contiguous block between crossbeam with column, ensure that suspension device is pressing through the stability in journey with bearing;
2, be applicable to face in thick large breaking ore body tunnelling process collapse and to emit or driving after gob collapse in loose rock mass becomes lane;
3, there is easy construction, economical rationality, fast effectively, safety advantages of higher.
Accompanying drawing explanation
Fig. 1 is the main TV structure schematic diagram of a kind of Soft-broken rock body inbreak tunnelling combination steel bracket suspension device.
The side-looking structural representation that Fig. 2 is suspension device shown in Fig. 1.
Fig. 3 is the plan structure schematic diagram of upper contiguous block in Fig. 1.
Fig. 4 is the plan structure schematic diagram of lower connecting block in Fig. 1.
In figure: the trapezoidal steel bracket of door word 1 (wherein: i iron crossbeam 1.1, joist steel upright 1.2), connecting rod 2, bearing diagonal muscle 3, pipe seam anchor bar 4, contiguous block assembly 5 (wherein: upper contiguous block 5.1, rectangular solder face 5.11, lower connecting block 5.2, I-shaped solder side 5.21), footing beam 6, bolt hole 7.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Soft-broken rock body inbreak tunnelling combination steel bracket suspension device as shown in figures 1-4, comprises at least two group parallel interval and to be arranged in inbreak tunnel and the trapezoidal steel bracket 1 of door word adapted with tunnel sectional dimension.The interior upper angle place of two heel posts often organizing the trapezoidal steel bracket 1 of door word is provided with bearing diagonal muscle 3, the both sides column bottom often organizing the trapezoidal steel bracket 1 of door word is provided with footing beam 6, is integrated between two heel posts of the trapezoidal steel bracket 1 of two adjacent groups door word by connecting rod 2 rigid connecting.Between the top cross-bar of the trapezoidal steel bracket 1 of two adjacent groups door word, close-packed arrays is provided with some pipe seam anchor bars 4, the front support of every root pipe seam anchor bar 4 is on the top cross-bar of the front group of trapezoidal steel bracket 1 of door word, the rear end card of every root pipe seam anchor bar 4 is pressed in below the top cross-bar of the rear group of trapezoidal steel bracket 1 of door word, and the shaft of every root pipe seam anchor bar 4 is inserted in the Soft-broken rock body of inbreak.All pipe seam anchor bars 4 form a table top between the top cross-bar of the trapezoidal steel bracket 1 of two adjacent groups door word, thus choose the rock mass collapsing and emit or subside.
In the present embodiment, the top cross-bar of the trapezoidal steel bracket 1 of door word is i iron crossbeam 1.1, and two heel posts of the trapezoidal steel bracket 1 of door word are joist steel upright 1.2, is connected between i iron crossbeam 1.1 with joist steel upright 1.2 by contiguous block assembly 5 is detachable.Particularly, contiguous block assembly 5 comprises contiguous block 5.1 and lower connecting block 5.2, four bights of upper contiguous block 5.1 and lower connecting block 5.2 offer corresponding bolt hole 7 respectively, upper contiguous block 5.1 is weldingly connected with the bottom surface of i iron crossbeam 1.1 by the rectangular solder face 5.11 on it, lower connecting block 5.2 is weldingly connected with the end face of joist steel upright 1.2 by the I-shaped solder side 5.21 on it, and upper contiguous block 5.1 is detachable connected by the bolt through its corresponding bolt hole 7 with lower connecting block 5.2.
In the present embodiment, bearing diagonal muscle 3 is strip angle bar part, and its two ends are weldingly connected with i iron crossbeam 1.1 and joist steel upright 1.2 respectively.Footing beam 6 is rectangle steel plate, and itself and joist steel upright 1.2 bottom surface are weldingly connected.Connecting rod 2 is round steel pipe fitting, and it is respectively provided with 2 between the both sides joist steel upright 1.2 of the trapezoidal steel bracket 1 of two adjacent groups door word, and is weldingly connected with joist steel upright 1.2.
In the tunnel occurring roof fall phenomenon, according to this Soft-broken rock body inbreak tunnelling of size design combination steel bracket suspension device in this tunnel, carry out according to following steps when installing this device:
First, in this roof fall tunnel, minimizing is slagged tap as far as possible, based on both sides, tunnel, avoids front to slag tap as far as possible.Slagging tap close to across when emitting face close to one meter of, stopping slagging tap, checking that tunnel is across the security situation emitting top, place, side board, and processing turquoise in time.
Then, according to drift section dimensions in both sides, tunnel manually to skim, to undermine the foundation the modes such as nest, respectively two joist steel uprights 1.2 welding footing beam 6 are located at pin nest place, set up i iron crossbeam 1.1 subsequently, and connected by contiguous block assembly 5 bolt; To be connected corner with joist steel upright 1.2 at i iron crossbeam 1.1 to weld the long angle bar of about 0.5m and do bearing diagonal muscle 3; Set up first group of trapezoidal steel bracket 1 of door word according to this.
Second group of trapezoidal steel bracket 1 of door word is set up by above-mentioned same method.The spacing distance of the trapezoidal steel bracket 1 of adjacent door word is 0.4 ~ 0.6m; Specific in the present embodiment, the spacing distance of the trapezoidal steel bracket 1 of adjacent two door words is 0.5m, to ensure safety and handled easily.
Again, between the both sides joist steel upright 1.2 of two groups of trapezoidal steel brackets 1 of door word, distance joist steel upright 1.2 bottom and top about 0.5 ~ 1.0m place's welding two connecting rods 2 respectively, by aggregates for two groups of door word trapezoidal steel bracket 1 rigid connectings.With the i iron crossbeam 1.1 of first group of trapezoidal steel bracket 1 of door word for base, advanced by pusher leg drill percussive assist, many pipe seam anchor bars 4 are inserted across emitting slag muck by the mode of is chosen with one, the rock mass that choosing collapses emits or subside, stops driving to slag tap into top inbreak rock mass in the process of lane and continues to collapse and emit.
Choose after the pipe seam anchor bar 4 protecting top inserts upper, manually front is cleared out across emitting slag muck, then press the same method erection trapezoidal steel bracket 1 of door word below, until pass across emitting location.
Above-mentioned unspecified part is prior art.
Claims (8)
1. a Soft-broken rock body inbreak tunnelling combination steel bracket suspension device, it is characterized in that: it comprises at least two group parallel interval and is arranged in inbreak tunnel, and the trapezoidal steel bracket of door word (1) adapted with tunnel sectional dimension, the interior upper angle place of two heel posts often organizing the trapezoidal steel bracket of door word (1) is provided with bearing diagonal muscle (3), the both sides column bottom often organizing the trapezoidal steel bracket of door word (1) is provided with footing beam (6), be integrated by connecting rod (2) rigid connecting between two heel posts of the trapezoidal steel bracket of two adjacent groups door word (1), between the top cross-bar of the trapezoidal steel bracket of two adjacent groups door word (1), close-packed arrays is provided with some pipe seam anchor bars (4), the front support of every root pipe seam anchor bar (4) is on the top cross-bar of the front group of trapezoidal steel bracket of door word (1), the rear end card of every root pipe seam anchor bar (4) is pressed in below the top cross-bar of the rear group of trapezoidal steel bracket of door word (1), the shaft of every root pipe seam anchor bar (4) is inserted in the Soft-broken rock body of inbreak, all pipe seam anchor bars (4) form a table top between the top cross-bar of the trapezoidal steel bracket of two adjacent groups door word (1), thus choose the rock mass collapsing and emit or subside.
2. Soft-broken rock body inbreak tunnelling combination steel bracket suspension device according to claim 1, it is characterized in that: the top cross-bar of the trapezoidal steel bracket of described door word (1) is i iron crossbeam (1.1), two heel posts of the trapezoidal steel bracket of described door word (1) are joist steel upright (1.2), and described i iron crossbeam (1.1) is connected by contiguous block assembly (5) is detachable with between joist steel upright (1.2).
3. Soft-broken rock body inbreak tunnelling combination steel bracket suspension device according to claim 2, it is characterized in that: described contiguous block assembly (5) comprises contiguous block (5.1) and lower connecting block (5.2), four bights of described upper contiguous block (5.1) and lower connecting block (5.2) offer corresponding bolt hole (7) respectively, described upper contiguous block (5.1) is weldingly connected by the bottom surface of the rectangular solder face (5.11) on it with i iron crossbeam (1.1), described lower connecting block (5.2) is weldingly connected by the end face of the I-shaped solder side (5.21) on it with joist steel upright (1.2), described upper contiguous block (5.1) is detachable connected by the bolt through its corresponding bolt hole (7) with lower connecting block (5.2).
4. the Soft-broken rock body inbreak tunnelling combination steel bracket suspension device according to Claims 2 or 3, it is characterized in that: described bearing diagonal muscle (3) is strip angle bar part, its two ends are weldingly connected with i iron crossbeam (1.1) and joist steel upright (1.2) respectively.
5. the Soft-broken rock body inbreak tunnelling combination steel bracket suspension device according to Claims 2 or 3, it is characterized in that: described footing beam (6) is rectangle steel plate, itself and joist steel upright (1.2) bottom surface are weldingly connected.
6. the Soft-broken rock body inbreak tunnelling combination steel bracket suspension device according to Claims 2 or 3, it is characterized in that: described connecting rod (2) is round steel pipe fitting, it is respectively provided with 2 between the both sides joist steel upright (1.2) of the trapezoidal steel bracket of two adjacent groups door word (1), and is weldingly connected with joist steel upright (1.2).
7. the Soft-broken rock body inbreak tunnelling combination steel bracket suspension device according to claim 1 or 2 or 3, is characterized in that: the spacing distance of the trapezoidal steel bracket of adjacent door word (1) is 0.4 ~ 0.6m.
8. Soft-broken rock body inbreak tunnelling combination steel bracket suspension device according to claim 7, is characterized in that: the spacing distance of the trapezoidal steel bracket of adjacent door word (1) is 0.5m.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520272553.2U CN204552773U (en) | 2015-04-28 | 2015-04-28 | Soft-broken rock body inbreak tunnelling combination steel bracket suspension device |
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|---|---|---|---|
| CN201520272553.2U CN204552773U (en) | 2015-04-28 | 2015-04-28 | Soft-broken rock body inbreak tunnelling combination steel bracket suspension device |
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| CN204552773U true CN204552773U (en) | 2015-08-12 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107269287A (en) * | 2017-08-11 | 2017-10-20 | 中铁十八局集团有限公司 | A kind of open type TBM steel tile installs support system and method |
| CN110566236A (en) * | 2019-10-18 | 2019-12-13 | 赤峰柴胡栏子黄金矿业有限公司 | Pipe shed and steel support combined supporting device and supporting method |
| CN114033422A (en) * | 2021-11-30 | 2022-02-11 | 安徽太平矿业有限公司 | Novel steel frame non-coupling backfill support method for complex broken surrounding rock roadway |
-
2015
- 2015-04-28 CN CN201520272553.2U patent/CN204552773U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107269287A (en) * | 2017-08-11 | 2017-10-20 | 中铁十八局集团有限公司 | A kind of open type TBM steel tile installs support system and method |
| CN110566236A (en) * | 2019-10-18 | 2019-12-13 | 赤峰柴胡栏子黄金矿业有限公司 | Pipe shed and steel support combined supporting device and supporting method |
| CN110566236B (en) * | 2019-10-18 | 2024-03-08 | 赤峰柴胡栏子黄金矿业有限公司 | Combined supporting device and supporting method for pipe shed and steel support |
| CN114033422A (en) * | 2021-11-30 | 2022-02-11 | 安徽太平矿业有限公司 | Novel steel frame non-coupling backfill support method for complex broken surrounding rock roadway |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20181119 Address after: 430083 No. 107 Construction Sixth Road, Qingshan District, Wuhan City, Hubei Province Patentee after: Wugang Resources Group Co., Ltd. Address before: 430080 the 15 floor of block A, 999 Wuchang Friendship Road, Wuhan, Hubei (Science and technology innovation department, WISCO) Patentee before: Wuhan Iron & Steel (Group) Corp. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210416 Address after: 435100 Xianshan village, Jinshandian Town, Daye City, Huangshi City, Hubei Province Patentee after: WISCO Resources Group Jinshandian Mining Co.,Ltd. Address before: 430083 No. six road construction, No. 107, Qingshan District, Wuhan, Hubei Patentee before: WUGANG RESOURCE GROUP Co.,Ltd. |
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| TR01 | Transfer of patent right |