CN212428816U - Novel lower crossheading section structure of stope face of steeply inclined coal seam - Google Patents
Novel lower crossheading section structure of stope face of steeply inclined coal seam Download PDFInfo
- Publication number
- CN212428816U CN212428816U CN202021915110.8U CN202021915110U CN212428816U CN 212428816 U CN212428816 U CN 212428816U CN 202021915110 U CN202021915110 U CN 202021915110U CN 212428816 U CN212428816 U CN 212428816U
- Authority
- CN
- China
- Prior art keywords
- coal seam
- rock layer
- section structure
- stope
- crossheading
- 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.)
- Active
Links
Images
Landscapes
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
Abstract
The utility model discloses a novel crossheading section structure under steeply inclined coal seam stope working face, including roof rock layer, coal seam, bottom plate rock layer and section structure, the coal seam is located roof rock layer with between the bottom plate rock layer, section structure set up in the inside in coal seam, section structure is including transportation crossheading and stope working face, the transportation crossheading is trapezium structure, and it is not right roof rock layer breaks the top to shorten construction period, just the transportation crossheading is full coal roadway, compares in traditional transportation crossheading for coal rock roadway, and the cost of every linear metre is lower, thereby reduces construction cost, has solved the problem that steeply inclined coal seam stope work construction cost is high, the period of operation is long.
Description
Technical Field
The utility model relates to a coal mining technical field especially relates to a novel under steeply inclined coal seam stope face crossheading section structure.
Background
The gate roads of the stope face of the steeply inclined thick coal seam are mostly arranged in double lanes, one is a gate road and the other is a lower gate road transportation gate road, and the gate roads are used for transportation, air inlet and air return tasks. The end of the lower crossheading transportation crossheading is an important throat of a working face, the support of the crossheading section is particularly important, and the upper part of the section is required to be stable roof bedrock. In the prior crossheading section structure form, for the effective utilization rate of the section, most of the adopted crossheading sections are rectangular sections, and about 2/3 parts of the tunneling section need to break roof rocks, so that the stoping work of the steeply inclined coal seam has high construction cost and long construction period.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a novel crossheading section structure under steeply inclined coal seam stope working face aims at solving the problem that steeply inclined coal seam stope work construction cost is high, the period is long.
In order to achieve the above object, the utility model provides a novel synconce section structure under steeply inclined coal seam stope working face, including roof rock layer, coal seam, bottom plate rock layer and section structure, the coal seam is located the roof rock layer with between the bottom plate rock layer, section structure set up in the inside in coal seam, section structure is including transportation cisoid and stope working face, the transportation cisoid with the stope working face sets up perpendicularly, the transportation cisoid is trapezium structure, the inclined plane of transportation cisoid does the roof rock layer with the interface of coal seam.
The novel lower crossheading section structure of the steep coal seam stope face further comprises an anchor bolt support, and the anchor bolt support is fixed in the top plate rock layer and perpendicular to the top plate rock layer.
The novel lower crossheading section structure of the steep coal seam stope face further comprises a support, the support is arranged inside the coal seam, and the upper end and the lower end of the support are fixedly connected with the top plate rock layer and the bottom plate rock layer respectively.
Wherein, the top beam of the bracket is of an inclined top beam structure.
Wherein the bracket comprises a connector, upright posts, thimbles and springs, a plurality of connecting posts are arranged on the circumference of the connector, any two adjacent connecting posts are vertically arranged, any connecting post is provided with an accommodating cavity, and any connecting column is provided with a connecting port communicated with the containing cavity, the upright column is provided with an installation cavity, one end of the spring is fixedly connected with the upright post, the other end of the spring is fixedly connected with the thimble, the spring is positioned in the mounting cavity, the thimble is in sliding connection with the upright post and positioned in the mounting cavity, the number of the upright posts is multiple, the upright posts are respectively detachably connected with the connecting posts of the connecting body, and after the upright post and the connecting post are connected, one end of the thimble, which is far away from the spring, is positioned in the connector.
The beneficial effects of the utility model are embodied in: the transportation crossheading of the lower crossheading section structure of the stope face of the novel steep coal seam is of a trapezoidal structure, the roof rock layer does not need to be broken, the transportation crossheading is a full-coal roadway, and the rapid tunneling of a common coal roadway fully-mechanized excavating machine can be realized, so that the construction period is shortened; the traditional transportation crossheading adopts a traditional rectangular section, and the cost of the roadway per linear meter is high no matter blast tunneling construction or rock comprehensive tunneling machine construction is adopted in top breaking tunneling; the section structure of the lower gate way section structure of the novel steep inclined coal seam stoping face adopts the roadheader for tunneling, the transportation gate way is a full coal roadway, and the cost per linear meter is lower, so that the construction cost of the stoping work of the steep inclined coal seam is reduced, and the problems of high construction cost and long construction period of the stoping work of the steep inclined coal seam are solved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a plane layout diagram of the lower gate section structure of the novel steep coal seam stope face of the utility model.
Fig. 2 is a cross-sectional view taken along line I-I of fig. 1 according to the present invention.
Fig. 3 is a cross-sectional view of the bracket of the present invention.
1-top rock layer, 2-coal layer, 3-bottom rock layer, 4-section structure, 41-transportation crossheading, 42-stope working surface, 5-anchor support, 6-bracket, 61-connector, 611-connecting column, 612-containing cavity, 613-connector, 62-upright column, 621-installation cavity, 63-thimble and 64-spring.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1 to 3, the present invention provides a technical solution: the utility model provides a novel synconce section structure under steeply inclined coal seam stope face, includes roof rock layer 1, coal seam 2, bottom plate rock layer 3 and section structure 4, coal seam 2 is located roof rock layer 1 with between the bottom plate rock layer 3, section structure 4 set up in the inside of coal seam 2, section structure 4 is including transportation cisoid 41 and stope face 42, transportation cisoid 41 with stope face 42 sets up perpendicularly, transportation cisoid 41 is the trapezium structure, the inclined plane of transportation cisoid 41 does roof rock layer 1 with the interface of coal seam 2.
In this embodiment, in order to ensure the normal operation of the production, the end face structure should ensure the effective space of the reversed loader equipment and the pedestrians. And a coal wall anchor rod on one side of the lower crossheading section of the transportation crossheading 41, which is close to the stope face 42, is supported by a glass fiber reinforced plastic anchor rod, and a metal mesh is arranged at the top of the section. In order to ensure the overall stability of the working surface of the steeply inclined coal seam, the transition support close to the lower end of the transportation crossheading 41 must be supported along the top plate, and the top coal is not discharged from the thick coal seam. The section structure 4 can be applied to both steep thin and medium thick and thick coal seams. The traditional transportation crossheading is a rectangular section, the roof rock layer 1 needs to be subjected to top breaking tunneling, the rock proportion is about 2/3, the transportation crossheading is a coal rock roadway, blasting tunneling construction is adopted, the monthly footage is 100m, and if a high-power rock roadway fully-mechanized excavating machine is adopted for construction, the monthly footage is 200 m. The transportation crossheading 41 of the crossheading section structure under the stope face of the novel steep coal seam is of a trapezoidal structure, the roof rock layer 1 does not need to be broken, the transportation crossheading 41 is a full-coal roadway, the rapid tunneling of a common coal roadway fully-mechanized excavating machine can be realized, the monthly footage is more than 300m, and the construction period can be shortened by 1/3; the traditional transportation crossheading adopts a traditional rectangular section, and the construction cost of the roadway per linear meter is 9000 yuan; the construction cost of the rock fully-mechanized excavating machine is 7500 yuan per meter, if the novel lower gate section structure of the steep inclined coal seam mining working face is adopted, the fully-mechanized excavating machine excavates, the whole coal roadway is 6500 yuan per meter, and the construction cost of the lower gate section structure of the novel lower gate section structure of the steep inclined coal seam mining working face is at least 1000 yuan per meter, so that the construction cost and the construction period of the steep inclined coal seam mining work are reduced, and the problems of high construction cost and long construction period of the steep inclined coal seam mining work are solved.
Further, novel crossheading section structure still includes anchor bolt support 5 under steeply inclined coal seam stope face, anchor bolt support 5 is fixed the inside of roof rock layer 1, and with roof rock layer 1 sets up perpendicularly.
In this embodiment, the roof bolt supports 5 are installed perpendicular to the roof rock layer 1 by drilling to fix the roof rock layer 1 and prevent the roof rock layer 1 from collapsing.
Further, novel crossheading section structure still includes support 6 under steeply inclined coal seam stope face, support 6 sets up the inside of coal seam 2, the upper and lower both ends of support 6 respectively with roof rock layer 1 with bottom plate rock layer 3 fixed connection.
In this embodiment, the upper and lower both ends of support 6 respectively with roof rock layer 1 with bottom plate rock layer 3 fixed connection, support 6 is right roof rock layer 1 supports, prevents roof rock layer 1 sinks.
Further, the top beam of the bracket 6 is of a sloping top beam structure.
In this embodiment, the top beam of the bracket 6 is a slanted top beam structure, so that the bracket 6 is more attached to the slant of the transportation gateway 41, thereby ensuring the supporting effect.
Further, the support 6 includes a connecting body 61, two upright posts 62, a thimble 63 and a spring 64, a plurality of connecting posts 611 are arranged in the circumferential direction of the connecting body 61, any two adjacent connecting posts 611 are vertically arranged, any one connecting post 611 has a receiving cavity 612, any one connecting post 611 has a connecting port 613 communicated with the receiving cavity 612, the upright post 62 has a mounting cavity 621, one end of the spring 64 is fixedly connected with the upright post 62, the other end of the spring 64 is fixedly connected with the thimble 63, the spring 64 is located inside the mounting cavity 621, the thimble 63 is slidably connected with the upright post 62, the thimble 63 is located inside the mounting cavity 621, the number of the upright posts 62 is plural, the plural upright posts 62 are respectively detachably connected with the connecting posts 611 of the connecting body 61, and after the upright posts 62 are connected with the connecting posts 611, one end of the thimble 63 away from the spring 64 is located inside the connection port 613.
In this embodiment, the support 6 is supported by the plurality of connecting bodies 61 and the plurality of columns 62 being engaged with each other, when the columns 62 and the connecting bodies 61 are connected, the columns 62 are inserted into the accommodating cavities 612, the ejector pins 63 enter the connecting ports 613 under the abutting action of the springs 64, so as to fix the columns 62, and the plurality of connecting bodies 61 and the plurality of columns 62 are engaged with each other to form the support 6, so that the support 6 can support the roof rock layer 1; when the support 6 needs to be disassembled, the upright post 62 and the connecting body 61 can be disassembled only by pressing the thimble 63 to make the thimble 63 come out of the connecting port 613, so that the support 6 is easy to disassemble, and the support 6 is convenient to install.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.
Claims (5)
1. The utility model provides a novel crossheading section structure under steeply inclined coal seam stope, a serial communication port, including roof rock layer, coal seam, bottom plate rock layer and section structure, the coal seam is located roof rock layer with between the bottom plate rock layer, section structure set up in the inside of coal seam, section structure is including transportation crossheading and stope, the transportation crossheading with the stope sets up perpendicularly, the transportation crossheading is the trapezium structure, the inclined plane of transportation crossheading does roof rock layer with the interface of coal seam.
2. The novel sub-gateway section structure of the stope of the steeply inclined coal seam as claimed in claim 1, wherein the novel sub-gateway section structure of the stope of the steeply inclined coal seam further comprises a bolt support fixed inside the top rock layer and arranged perpendicular to the top rock layer.
3. The novel steep coal seam stope face undercut cross-sectional structure of claim 2, wherein the novel steep coal seam stope face undercut cross-sectional structure further comprises a support, the support is arranged inside the coal seam, and the upper end and the lower end of the support are fixedly connected with the top rock layer and the bottom rock layer respectively.
4. The novel underground crossheading section structure of the stope face of the steeply inclined coal seam as claimed in claim 3, wherein the top beam of the support is a pitched top beam structure.
5. The novel structure of a lower gate section of a stope of a steeply dipping coal seam as claimed in claim 4, wherein the support comprises a connector, a column, a thimble and a spring, the connector is provided with a plurality of connecting columns in the circumferential direction, any two adjacent connecting columns are vertically arranged, any connecting column has a containing cavity, any connecting column has a connecting port communicated with the containing cavity, the column has a mounting cavity, one end of the spring is fixedly connected with the column, the other end of the spring is fixedly connected with the thimble, the spring is located in the mounting cavity, the thimble is slidably connected with the column, the thimble is located in the mounting cavity, the number of the columns is plural, the plurality of columns are respectively detachably connected with the connecting columns of the connector, and after the column and the connecting column are connected, and one end of the thimble, which is far away from the spring, is positioned in the connecting port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021915110.8U CN212428816U (en) | 2020-09-04 | 2020-09-04 | Novel lower crossheading section structure of stope face of steeply inclined coal seam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021915110.8U CN212428816U (en) | 2020-09-04 | 2020-09-04 | Novel lower crossheading section structure of stope face of steeply inclined coal seam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212428816U true CN212428816U (en) | 2021-01-29 |
Family
ID=74275079
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021915110.8U Active CN212428816U (en) | 2020-09-04 | 2020-09-04 | Novel lower crossheading section structure of stope face of steeply inclined coal seam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212428816U (en) |
-
2020
- 2020-09-04 CN CN202021915110.8U patent/CN212428816U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100554642C (en) | A kind of method of long-wall integrated-extraction reclaiming room-type coal column mining | |
| CN110259451A (en) | A kind of efficient mining methods of gently inclined medium thick orebody Pre-control roof | |
| CN101649741A (en) | Laneway disposed by using large U to sleeve small u | |
| CN102146794A (en) | Grouting, consolidating and gob-side tunneling process method | |
| CN204267058U (en) | A kind of erecting tools for anchor cable resin explosive roll | |
| CN109779663A (en) | Gob side entry retaining multi-zone cascade-control method | |
| CN210829265U (en) | Top coal caving mining system for medium-thickness coal seam with extra-large dip angle | |
| CN212428816U (en) | Novel lower crossheading section structure of stope face of steeply inclined coal seam | |
| CN110644993A (en) | Z-shaped strip working face mining method | |
| CN110578523A (en) | Method and system for mining top coal of medium-thickness coal seam with extra-large dip angle | |
| CN111828073A (en) | Novel roadway support device | |
| CN103216258B (en) | Km rig concentrates strip-type to draw out methane method | |
| CN115773113A (en) | Mining method for steeply-inclined broken thick and large ore body | |
| CN205805540U (en) | Longwell protrusive working face of coal seam mechanization exploits complete set of equipments without lane | |
| CN201786365U (en) | Hydraulic telescopic bracket for borehole coal mine | |
| CN114673508A (en) | Coal mine roadway area supporting method | |
| CN111706331A (en) | Construction method for underground vein outer vein-following roadway | |
| CN210370726U (en) | Underground coal mine support device | |
| CN113417640B (en) | Gob-side entry retaining supporting method in reserved extremely-close thin coal seam separate mining-combined mining | |
| CN112963196A (en) | Filling mining method for protecting coal pillars between lanes | |
| CN217055166U (en) | Main engine arrangement structure of rock roadway TBM (tunnel boring machine) | |
| CN112324357A (en) | Roadway excavation type loading unit with detection drilling machine mounted on portal frame | |
| CN219605285U (en) | Novel longitudinally-moving sliding frame for tunneling and anchoring machine | |
| CN217478237U (en) | Variable-slope belt pressing device for excavation roadway of excavation working face | |
| CN112360461B (en) | Circulating coal mining method and mining system thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |