CN204024669U - A kind of concrete prefabricated parts supporting being applicable to mining tunnel - Google Patents
A kind of concrete prefabricated parts supporting being applicable to mining tunnel Download PDFInfo
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- CN204024669U CN204024669U CN201420413296.5U CN201420413296U CN204024669U CN 204024669 U CN204024669 U CN 204024669U CN 201420413296 U CN201420413296 U CN 201420413296U CN 204024669 U CN204024669 U CN 204024669U
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Abstract
The utility model discloses a kind of concrete prefabricated parts supporting being applicable to mining tunnel, comprise back timber, column, below described back timber two ends, column is set; Described back timber, column are reinforced concrete structure; Described back timber two ends arranges overlap joint step; Described column and back timber link arrange overlap joint step; Described back timber, the junction of column arrange pre-buried connection round steel.Back timber of the present utility model, column adopt reinforced concrete structure, and back timber arranges column below two ends, and back timber, column are provided with longitudinal round steel, horizontal lacing wire, concrete, pre-buried connection round steel.Concrete (concrete) is C25 steel reinforced concrete.After back timber, column adopt reinforced concrete structure, application life can reach 10 ~ 15 years, does not need during use to drop into maintenance cost; And eliminate potential safety hazard, and then improve the economic benefit of enterprise.The utility model structure is simple, and easily, cheap, reliable operation, is applicable to the supporting of mining tunnel in construction.
Description
Technical field
The utility model belongs to mining equiment technical field, belongs to mining safety support apparatus technical field further, is specifically related to a kind of structure simply, and easily, cheap, reliable operation, is applicable to the concrete prefabricated parts supporting of mining tunnel in construction.
Background technology
China is ore extraction big country, is dispersed with many mines throughout the country.In ore extraction, often to dig tunnel and dig up mine to ore body, and ore is transported from tunnel.Because the geologic structure in mine differs greatly, some geologic structures is broken, and the supporting of intensive railway carriage or compartment must be adopted to ensure that tunnel is complete, guarantees that personal security is passed through and the transport of ore.The roadway support of prior art, general employing wood carries out intensive wooden railway carriage or compartment supporting, but due to rock stratum, tunnel more broken, ground pressure is larger, wood railway carriage or compartment Support Deformation rots very fast, annual each point at least needs to change the supporting of wooden railway carriage or compartment once, and Local topography needs to change wooden railway carriage or compartment supporting two to three times, and use cost is high, Maintenance and Repair expense is large, and there is larger potential safety hazard, what often impact was produced normally carries out, and then have impact on the economic benefit of enterprise.For this reason, research and develop a kind of structure simple, easily, cheap, reliable operation, the concrete prefabricated parts supporting being applicable to mining tunnel is the key addressed this problem in construction.
Utility model content
It is simple that the purpose of this utility model is to provide a kind of structure, and easily, cheap, reliable operation, is applicable to the concrete prefabricated parts supporting of prospect tunnel in construction.
The purpose of this utility model is achieved in that and comprises back timber, column, arranges column below described back timber two ends; Described back timber, column are reinforced concrete structure; Described back timber two ends arranges overlap joint step; Described column and back timber link arrange overlap joint step; Described back timber, the junction of column arrange pre-buried connection round steel.
Back timber of the present utility model, column adopt reinforced concrete structure, and back timber arranges column below two ends, and back timber, column are provided with longitudinal round steel, horizontal lacing wire, concrete, pre-buried connection round steel.Concrete (concrete) is C25 steel reinforced concrete, and every cubic metre of consumptive material is respectively: cement 390kg; Sand 0.47m3/665kg; Rubble 0.82m3/1254kg.After back timber, column adopt reinforced concrete structure, application life can reach 10 ~ 15 years, and does not need during use to drop into maintenance cost; Avoid Maintenance and Repair haulage drift simultaneously and affect normal production operation; And eliminate haulage drift often to cave in the potential safety hazard brought, the personnel of ensure that pass through and the safety of Ore Transportation, and then improve the economic benefit of enterprise.The utility model structure is simple, and easily, cheap, reliable operation, is applicable to the supporting of mining tunnel in construction.
Accompanying drawing explanation
Fig. 1 is the utility model overall structure schematic diagram;
Fig. 2 is the back timber schematic diagram of the utility model;
Fig. 3 is the schematic top plan view of Fig. 2;
Fig. 4 is the column schematic diagram of the utility model;
Fig. 5 is the schematic top plan view of Fig. 4;
In figure: 1-back timber, 2-column, the longitudinal round steel of 3-, the horizontal lacing wire of 4-, 5-concrete, the pre-buried connection round steel of 6-.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail, but limited the utility model never in any form, based on any conversion that the utility model training centre is done, all falls into the utility model protection domain.
As shown in Fig. 1 ~ 5, comprise back timber 1, column 2, below described back timber 1 two ends, column 2 is set; Described back timber 1, column 2 are reinforced concrete structure; Described back timber 1 two ends arranges overlap joint step; Described column 2 arranges overlap joint step with back timber 1 link; Described back timber 1, the junction of column 2 arrange pre-buried connection round steel 6.
Described back timber 1, the concrete of column 2 are C25 steel reinforced concrete.
The rectangular shape of cross section of described back timber 1, the length of rectangle and the ratio of width are 1.1 ~ 1.3.
The rectangular shape of cross section of described column 2, the length of rectangle and the ratio of width are 1.1 ~ 1.3.
Described back timber 1 comprises longitudinal round steel 3, horizontal lacing wire 4, concrete 5, pre-buried connection round steel 6, and described back timber 1 arranges four longitudinal round steel 3; Between described longitudinal round steel 3, horizontal lacing wire 4 is set; Described back timber 1 two ends arrange pre-buried connection round steel 6; Between described longitudinal round steel 3, horizontal lacing wire 4, pre-buried connection round steel 6, concrete 5 is set.
The spacing of the horizontal lacing wire 4 of described back timber 1 is 270 ~ 300mm.
Described column 2 comprises longitudinal round steel 3, horizontal lacing wire 4, concrete 5, pre-buried connection round steel 6, and described column 2 arranges four longitudinal round steel 3; Between described longitudinal round steel 3, horizontal lacing wire 4 is set; Described column 2 upper end and medial surface arrange pre-buried connection round steel 6; Between described longitudinal round steel 3, horizontal lacing wire 4, pre-buried connection round steel 6, concrete 5 is set.
The spacing of the horizontal lacing wire 4 of described column 2 is 300 ~ 350mm.
Described longitudinal round steel 3 is 8# ~ 10# round steel, and horizontal lacing wire 4, pre-buried connection round steel 6 are 6# ~ 8# round steel.
Described longitudinal round steel 3 is 20mm apart from the distance on back timber 1, column 2 surface.
operating principle of the present utility model and the course of work:
Back timber 1 of the present utility model, column 2 adopt reinforced concrete structure, and back timber 1 arranges column 2 below two ends, and back timber 1, column 2 are provided with longitudinal round steel 3, horizontal lacing wire 4, concrete 5, pre-buried connection round steel 6.Concrete (concrete) is C25 steel reinforced concrete, and every cubic metre of consumptive material is respectively: cement 390kg; Sand 0.47m3/665kg; Rubble 0.82m3/1254kg.After back timber, column adopt reinforced concrete structure, application life can reach 10 ~ 15 years, does not need during use to drop into maintenance cost; Avoid Maintenance and Repair haulage drift simultaneously and affect normal production operation; And eliminate haulage drift often to cave in the potential safety hazard brought, the personnel of ensure that pass through and the safety of Ore Transportation.
Claims (10)
1. be applicable to a concrete prefabricated parts supporting for mining tunnel, comprise back timber (1), column (2), below described back timber (1) two ends, column (2) is set; It is characterized in that: described back timber (1), column (2) are reinforced concrete structure; Described back timber (1) two ends arranges overlap joint step; Described column (2) and back timber (1) link arrange overlap joint step; Described back timber (1), the junction of column (2) arrange pre-buried connection round steel (6).
2. the concrete prefabricated parts supporting being applicable to mining tunnel according to claim 1, is characterized in that: described back timber (1), the concrete of column (2) are C25 steel reinforced concrete.
3. the concrete prefabricated parts supporting being applicable to mining tunnel according to claim 1, is characterized in that: the rectangular shape of cross section of described back timber (1), the length of rectangle and the ratio of width are 1.1 ~ 1.3.
4. the concrete prefabricated parts supporting being applicable to mining tunnel according to claim 1, is characterized in that: the rectangular shape of cross section of described column (2), the length of rectangle and the ratio of width are 1.1 ~ 1.3.
5. the concrete prefabricated parts supporting being applicable to mining tunnel according to claim 1, it is characterized in that: described back timber (1) comprises longitudinal round steel (3), horizontal lacing wire (4), concrete (5), pre-buried connection round steel (6), described back timber (1) arranges four longitudinal round steel (3); Between described longitudinal round steel (3), horizontal lacing wire (4) is set; Described back timber (1) two ends arrange pre-buried connection round steel (6); Between described longitudinal round steel (3), horizontal lacing wire (4), pre-buried connection round steel (6), concrete (5) is set.
6. be applicable to the concrete prefabricated parts supporting of mining tunnel according to claim 1 or 5, it is characterized in that: the spacing of the horizontal lacing wire (4) of described back timber (1) is 270 ~ 300mm.
7. the concrete prefabricated parts supporting being applicable to mining tunnel according to claim 1, it is characterized in that: described column (2) comprises longitudinal round steel (3), horizontal lacing wire (4), concrete (5), pre-buried connection round steel (6), described column (2) arranges four longitudinal round steel (3); Between described longitudinal round steel (3), horizontal lacing wire (4) is set; Described column (2) upper end and medial surface arrange pre-buried connection round steel (6); Between described longitudinal round steel (3), horizontal lacing wire (4), pre-buried connection round steel (6), concrete (5) is set.
8. the concrete prefabricated parts supporting being applicable to mining tunnel according to claim 1 or 7, is characterized in that: the spacing of the horizontal lacing wire (4) of described column (2) is 300 ~ 350mm.
9. the concrete prefabricated parts supporting being applicable to mining tunnel according to claim 5 or 7, is characterized in that: described longitudinal round steel (3) is 8# ~ 10# round steel, and horizontal lacing wire (4), pre-buried connection round steel (6) are 6# ~ 8# round steel.
10. the concrete prefabricated parts supporting being applicable to mining tunnel according to claim 5 or 7, is characterized in that: described longitudinal round steel (3) distance back timber (1), the distance on column (2) surface are 20mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420413296.5U CN204024669U (en) | 2014-07-25 | 2014-07-25 | A kind of concrete prefabricated parts supporting being applicable to mining tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420413296.5U CN204024669U (en) | 2014-07-25 | 2014-07-25 | A kind of concrete prefabricated parts supporting being applicable to mining tunnel |
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| Publication Number | Publication Date |
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| CN204024669U true CN204024669U (en) | 2014-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420413296.5U Active CN204024669U (en) | 2014-07-25 | 2014-07-25 | A kind of concrete prefabricated parts supporting being applicable to mining tunnel |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105443145A (en) * | 2015-12-18 | 2016-03-30 | 马钢(集团)控股有限公司 | Ladder plate girder for sinking and driving engineering |
-
2014
- 2014-07-25 CN CN201420413296.5U patent/CN204024669U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105443145A (en) * | 2015-12-18 | 2016-03-30 | 马钢(集团)控股有限公司 | Ladder plate girder for sinking and driving engineering |
| CN105443145B (en) * | 2015-12-18 | 2018-02-16 | 马钢(集团)控股有限公司 | Well lane engineering gangboard beam |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |