CN220415368U - Air return well roadway structure - Google Patents
Air return well roadway structure Download PDFInfo
- Publication number
- CN220415368U CN220415368U CN202321785369.9U CN202321785369U CN220415368U CN 220415368 U CN220415368 U CN 220415368U CN 202321785369 U CN202321785369 U CN 202321785369U CN 220415368 U CN220415368 U CN 220415368U
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- Prior art keywords
- return air
- roadway
- shaft
- section
- inclined shaft
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- 239000003292 glue Substances 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims abstract description 5
- 230000007704 transition Effects 0.000 claims description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
- 238000004891 communication Methods 0.000 claims description 5
- 238000010276 construction Methods 0.000 abstract description 14
- 239000003245 coal Substances 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Lining And Supports For Tunnels (AREA)
Abstract
The utility model provides a return air shaft roadway structure, which comprises the following components: the method comprises the steps of forming a wellhead in a return air connecting roadway of a glue transportation gate, forming a return air dark inclined shaft along the direction facing a conveyor roadway of a transfer conveyor, wherein the return air dark inclined shaft is communicated with the wellhead, an included angle between the extending direction of the return air dark inclined shaft and the horizontal direction is more than or equal to 16 degrees and less than or equal to 16.5 degrees, and the return air dark inclined shaft is communicated with the conveyor roadway of the transfer conveyor. The return air shaft roadway structure is convenient for operation and construction of construction equipment, has high construction speed and efficiency, and is convenient for workers to evacuate in time when accidents occur.
Description
Technical Field
The utility model relates to the technical field of ore body exploitation, in particular to a return air well roadway structure.
Background
The return air shaft for coal mining is generally arranged in a return air main roadway, and the return air shaft is generally extended to the underground in a hidden vertical shaft mode. In the related art, the main blind well and the auxiliary blind well are required to be driven to a deeper coal seam, then reverse construction is carried out until the lower part of the blind well, then the vertical well is constructed, the construction difficulty of a shaft is high, and the construction process is complex.
Disclosure of Invention
The present utility model aims to solve at least one of the technical problems in the related art to some extent. Therefore, the embodiment of the utility model provides a return air shaft roadway structure which is low in construction difficulty, simple in process and convenient to use.
The return air shaft roadway structure provided by the embodiment of the utility model comprises the following components:
the method comprises the steps of forming a wellhead in a return air connecting roadway of a glue transportation gate, forming a return air dark inclined shaft along the direction facing a conveyor roadway of a transfer conveyor, wherein the return air dark inclined shaft is communicated with the wellhead, an included angle between the extending direction of the return air dark inclined shaft and the horizontal direction is more than or equal to 16 degrees and less than or equal to 16.5 degrees, and the return air dark inclined shaft is communicated with the conveyor roadway of the transfer conveyor.
According to the return air well roadway structure, the inclined angle (the inclined angle represents the condition of an included angle between the horizontal direction of the extending direction of the return air well roadway structure) is formed between the return air connecting roadway of the glue transportation cis-slot and the conveyor roadway of the reversed loader, and is greater than or equal to 16 degrees and less than or equal to 16.5 degrees, and due to the fact that the inclined angle is smaller, operation and construction of construction equipment are facilitated, the construction speed is high, the efficiency is high, in addition, the return air well is also capable of being used as a safe outlet for coal seam exploitation, and workers can conveniently evacuate in time when accidents occur.
In some embodiments, the return air dark inclined shaft comprises a main shaft section, a transition section and a roadway section which are connected, wherein the roadway section is communicated with the transfer conveyor roadway, and the extending direction of the roadway section is consistent with the horizontal direction.
In some embodiments, the roadway section extends a length of 38 meters or more and 42 meters or less.
In some embodiments, the direction of extension of the roadway segment is orthogonal to the direction of extension of the reversed conveyor lane.
In some embodiments, the angle between the extending direction of the transition section and the horizontal direction is 15.7 degrees or more and 16.2 degrees or less.
In some embodiments, the transition section includes a first transition section connected between the wellhead and the main well section and a second transition section connected between the main well section and the gallery section.
In some embodiments, the return air shaft roadway structure of the embodiment of the utility model further comprises a shelter, wherein the shelter is communicated with the return air dark inclined shaft, and the shelter extends towards a direction away from the return air dark inclined shaft.
In some embodiments, the number of the avoidance chambers is plural, the plurality of the avoidance chambers are arranged at intervals along the extending direction of the return air dark inclined shaft, and the distance between two adjacent avoidance chambers is less than or equal to 40 meters.
In some embodiments, the return air shaft roadway structure of the embodiment of the utility model further comprises a drainage ditch, wherein the drainage ditch is arranged at the bottom of the return air dark inclined shaft, and the extension direction of the drainage ditch is consistent with the extension direction of the return air dark inclined shaft.
In some embodiments, the return air shaft roadway structure of the embodiment of the present utility model further comprises a water interception ditch, wherein the water interception ditch is arranged adjacent to the drainage ditch and communicated with the drainage ditch, the extension direction of the water interception ditch is orthogonal to the extension direction of the return air dark inclined shaft, and the bottom wall of the water interception ditch is gradually inclined upwards along the direction from the drainage ditch to the water interception ditch.
Drawings
Fig. 1 is a schematic front view of a tunnel structure of a return air shaft according to an embodiment of the present utility model.
Fig. 2 is a schematic top view of a return air shaft tunnel structure according to an embodiment of the present utility model.
Fig. 3 is a schematic cross-sectional view of a main section of a return air shaft tunnel structure according to an embodiment of the present utility model.
Reference numerals:
a glue delivery gate return air connecting roadway 100; a reversed loader conveyor lane 200;
a wellhead 1;
a return air dark inclined shaft 2; a main section 21; a roadway section 22; a transition section 23; a first transition 231; a second transition section 232;
a shelter 3;
a drainage ditch 4;
a water intercepting ditch 5;
a handrail 6;
and an anchor rod 7.
Detailed Description
Reference will now be made in detail to embodiments of the present utility model, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.
As shown in fig. 1 to 3, the return air shaft roadway structure according to the embodiment of the utility model includes: a wellhead 1 is arranged in the glue transportation gate return air connecting roadway 100, a return air dark inclined shaft 2 is arranged along the direction facing the transfer conveyor roadway 200, the return air dark inclined shaft 2 is communicated with the wellhead 1, an included angle (alpha shown in fig. 1) between the extending direction of the return air dark inclined shaft 2 and the horizontal direction is more than or equal to 16 degrees and less than or equal to 16.5 degrees, and the return air dark inclined shaft 2 is communicated with the transfer conveyor roadway 200.
It can be understood that in the actual production environment, the corresponding inclination angle of the return air dark inclined shaft 2 can be set according to the actual distance between the return air connecting roadway 100 of the glue transportation gate and the conveyor roadway 200 of the transfer conveyor so as to ensure the convenience of construction.
That is, the larger the actual space between the glue gate return air connecting lane 100 and the transfer conveyor lane 200, the smaller the inclination angle of the return air dark inclined shaft 2, and conversely, the larger the inclination angle of the return air dark inclined shaft 2.
In other words, in the return air shaft roadway structure of the embodiment of the utility model, the return air dark inclined shaft 2 with the inclination angle being more than or equal to 16 degrees and less than or equal to 16.5 degrees is arranged between the glue transportation gate return air connecting roadway 100 and the reversed loader conveyor roadway 200, and the return air dark inclined shaft 2 can be used as a safety outlet for coal seam mining, so that workers can conveniently evacuate in time when accidents occur due to the fact that the inclination angle is smaller, the operation and construction of construction equipment are convenient, the construction speed is high, the efficiency is high.
It should be noted that, the top section of the air return inclined shaft 2 can adopt a semicircular arch structure, and a plurality of anchor rods 7 and a plurality of metal nets are utilized to jointly support, namely, the anchor rods 7 can adopt screw steel resin anchor rods 7, the row spacing between the anchor rods 7 is uniformly distributed in the extending direction of the air return inclined shaft 2, the metal nets are formed by welding reinforcing steel bars, when the metal nets are paved, the lap joint length between two adjacent metal nets is greater than or equal to 60 mm, and double-strand iron wire binding is adopted, and the binding interval is less than or equal to 300 mm.
In some embodiments, return air dark inclined shaft 2 includes a main shaft section 21, a transition section and a roadway section 22 connected, roadway section 22 is in communication with a reversed conveyor roadway 200, and roadway section 22 extends in a direction that is consistent with the horizontal direction.
Preferably, as shown in fig. 1 and 2, the extending direction of the gallery segment 22 is orthogonal to the extending direction of the reversed loader conveyor lane 200, so as to facilitate smooth running and posture and direction adjustment of the reversed loader between the gallery segment 22 and the reversed loader conveyor lane 200.
Preferably, the roadway section 22 extends over a length of 38 meters or more and 42 meters or less. That is, the length of the roadway section 22 is inversely proportional to the inclination angle of the return air dark inclined shaft 2, i.e. the smaller the inclination angle of the return air dark inclined shaft 2 is, the greater the extension length of the roadway section 22 is.
In some embodiments, the angle between the extension direction of the transition section and the horizontal direction is 15.7 degrees or more and 16.2 degrees or less.
It will be appreciated that, as shown in fig. 1 and 2, the transition section may be connected between the wellhead 1 and the main well section 21, or the transition section is connected between the main well section 21 and the gallery section 22, where the inclination angle of the transition section is set to correct the error between the main well section 21 and the gallery section 22, that is, the transition section may be based on the inclination angle actually measured by the main well section 21, so as to ensure that the gallery sections are smoothly connected while meeting the inclination angle setting, thereby avoiding the phenomenon that the return air dark inclined well 2 has obvious faults as a whole.
Preferably, the transition sections comprise a first transition section 231 and a second transition section 232, the first transition section 231 being connected between the wellhead 1 and the main section 21, and the second transition section 232 being connected between the main section 21 and the roadway section 22.
It can be appreciated that the inclination error of the main well section 21 and the gallery section 22 can be further corrected by using the first transition section 231 and the second transition section 232, so as to ensure engineering quality.
In some embodiments, the return air shaft roadway structure of the embodiment of the utility model further comprises a shelter 3, wherein the shelter 3 is communicated with the return air dark inclined shaft 2, and the shelter 3 extends in a direction away from the return air dark inclined shaft 2.
Preferably, as shown in fig. 3, the top section of the shelter 3 adopts a semi-circular arch shape, and the cross-section size is 1-1.5 m wide, 1.6-1.8 m high and 1-1.2 m deep.
Preferably, the number of the avoidance chambers 3 is multiple, the plurality of the avoidance chambers 3 are arranged at intervals along the extending direction of the return air dark inclined shaft 2, and the distance between two adjacent avoidance chambers 3 is less than or equal to 40 meters.
It can be understood that the distance between two adjacent avoidance galleries 3 is less than or equal to 40 meters, so that workers can quickly enter the avoidance galleries 3 to ensure self safety when a disaster occurs.
In some embodiments, the return air shaft roadway structure of the embodiment of the utility model further comprises a drainage ditch 4, wherein the drainage ditch 4 is arranged at the bottom of the return air dark inclined shaft 2, and the extension direction of the drainage ditch 4 is consistent with the extension direction of the return air dark inclined shaft 2.
Alternatively, as shown in fig. 1 and 2, the width and depth of the drainage ditch 4 are 300 mm, and a arch support is adopted in the drainage ditch 4, wherein the support thickness is 100 mm, and the arch concrete grade is C20.
In some embodiments, the return air shaft roadway structure of the embodiment of the present utility model further comprises a water interception ditch 5, wherein the water interception ditch 5 is arranged adjacent to the drainage ditch 4 and is communicated with the drainage ditch 4, the extending direction of the water interception ditch 5 is orthogonal to the extending direction of the return air dark inclined shaft 2, and the bottom wall of the water interception ditch 5 is gradually inclined upwards along the direction from the drainage ditch 4 to the water interception ditch 5.
Optionally, the intercepting ditches 5 are plural, and the plural intercepting ditches 5 are arranged at intervals along the extending direction of the return shaft roadway, preferably, the distance between two adjacent intercepting ditches 5 is 50 meters.
Preferably, in a plane orthogonal to the extension direction of the return air shaft tunnel, the extension direction of the bottom surface section of the intercepting ditch 5 forms an angle of 60 degrees with the central line of the return air shaft tunnel.
In addition, the side wall of the return air shaft roadway is also provided with an armrest 6, and the extending direction of the armrest 6 is consistent with that of the return air shaft roadway. The bottom wall of the return air shaft roadway is provided with steps, and the extending direction of the steps is consistent with that of the return air shaft roadway.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
For purposes of this disclosure, the terms "one embodiment," "some embodiments," "example," "a particular example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
While the above embodiments have been shown and described, it should be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives, and variations of the above embodiments may be made by those of ordinary skill in the art without departing from the scope of the utility model.
Claims (10)
1. The utility model provides a return air shaft tunnel structure which characterized in that includes:
the method comprises the steps of forming a wellhead in a return air connecting roadway of a glue transportation gate, forming a return air dark inclined shaft along the direction facing a conveyor roadway of a transfer conveyor, wherein the return air dark inclined shaft is communicated with the wellhead, an included angle between the extending direction of the return air dark inclined shaft and the horizontal direction is more than or equal to 16 degrees and less than or equal to 16.5 degrees, and the return air dark inclined shaft is communicated with the conveyor roadway of the transfer conveyor.
2. The return air shaft roadway structure of claim 1, wherein the return air dark inclined shaft comprises a main shaft section, a transition section and a roadway section which are connected, the roadway section is communicated with the transfer conveyor roadway, and the extending direction of the roadway section is consistent with the horizontal direction.
3. The return air shaft roadway structure of claim 2, wherein the roadway section extends over 38 meters and less than or equal to 42 meters.
4. A return air shaft tunnel structure according to claim 3, wherein the direction of extension of the tunnel section is orthogonal to the direction of extension of the reversed loader conveyor tunnel.
5. The return air shaft roadway structure of claim 2, wherein an included angle between the extension direction of the transition section and the horizontal direction is 15.7 degrees or more and 16.2 degrees or less.
6. A return air shaft roadway structure as claimed in claim 3, wherein the transition section comprises a first transition section and a second transition section, the first transition section being connected between the wellhead and the main shaft section, the second transition section being connected between the main shaft section and the drift section.
7. The return air shaft roadway structure of any one of claims 1-6, further comprising a shelter, the shelter being in communication with the return air dark inclined shaft and the shelter extending away from the return air dark inclined shaft.
8. The return air shaft roadway structure of claim 7, wherein the number of the dodge chambers is plural, the dodge chambers are arranged at intervals along the extending direction of the return air dark inclined shaft, and the distance between two adjacent dodge chambers is less than or equal to 40 meters.
9. The return air shaft roadway structure of claim 7, further comprising a drainage ditch formed in the bottom of the return air blind inclined shaft, wherein the extension direction of the drainage ditch is consistent with the extension direction of the return air blind inclined shaft.
10. The return air shaft roadway structure of claim 9, further comprising a water trap disposed adjacent to and in communication with the water drain, the water trap extending in a direction orthogonal to the direction of extension of the return air dark inclined shaft, the bottom wall of the water trap being progressively sloped upward in a direction from the water drain toward the water trap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321785369.9U CN220415368U (en) | 2023-07-07 | 2023-07-07 | Air return well roadway structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321785369.9U CN220415368U (en) | 2023-07-07 | 2023-07-07 | Air return well roadway structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220415368U true CN220415368U (en) | 2024-01-30 |
Family
ID=89648469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321785369.9U Active CN220415368U (en) | 2023-07-07 | 2023-07-07 | Air return well roadway structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220415368U (en) |
-
2023
- 2023-07-07 CN CN202321785369.9U patent/CN220415368U/en active Active
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