CN211713905U - Large-gradient inclined shaft structure suitable for small-section tunnel - Google Patents
Large-gradient inclined shaft structure suitable for small-section tunnel Download PDFInfo
- Publication number
- CN211713905U CN211713905U CN201922347918.4U CN201922347918U CN211713905U CN 211713905 U CN211713905 U CN 211713905U CN 201922347918 U CN201922347918 U CN 201922347918U CN 211713905 U CN211713905 U CN 211713905U
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- Prior art keywords
- inclined shaft
- bin
- hopper
- slag
- feeding
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- Expired - Fee Related
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- 239000002893 slag Substances 0.000 claims abstract description 52
- 238000007599 discharging Methods 0.000 claims abstract description 33
- 229910000831 Steel Inorganic materials 0.000 claims description 17
- 239000010959 steel Substances 0.000 claims description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 238000009412 basement excavation Methods 0.000 claims description 9
- 239000011150 reinforced concrete Substances 0.000 claims description 9
- 230000003014 reinforcing effect Effects 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 6
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 13
- 238000012840 feeding operation Methods 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 2
- 238000009434 installation Methods 0.000 abstract 1
- 230000032258 transport Effects 0.000 description 8
- 239000000463 material Substances 0.000 description 6
- 239000011378 shotcrete Substances 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- 238000010079 rubber tapping Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Images
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The utility model particularly relates to a big gradient inclined shaft structure suitable for small cross section tunnel has solved the problem that there is the operating efficiency low, time and cost of labor height when current transportation mode carries out the feeding operation of slagging tap. A large-gradient inclined shaft structure suitable for a small-section tunnel comprises a main tunnel and an inclined shaft; a slag bin is arranged below the left side of the inclined shaft, and a slag discharging platform is arranged in the slag bin; a feeding bin is arranged on the rear side wall of the inclined shaft, and a feeding platform is arranged in the feeding bin; the slag discharging platform comprises a discharging hopper, and the feeding platform comprises an installation platform and a discharging hopper I; a single turnout is arranged on a bottom plate of the inclined shaft, a main line of the single turnout is a track leading to the lower part of the blanking hopper, and a lateral line of the single turnout is a track I leading to the upper part of the blanking hopper I; and mine cars are arranged on the tracks and the track I. The utility model discloses the structure has realized the purpose that the feeding operation of slagging tap goes on in step, and the transportation is smooth and easy, has effectively improved the efficiency of construction, and the inclined shaft structure is firm, can reach the effect of safe quick tunnelling.
Description
Technical Field
The utility model relates to a branch tunnel structure is used in water conservancy construction, specifically is a heavy grade inclined shaft structure suitable for small cross section tunnel.
Background
In the construction of small cross section underground diversion tunnel, can set up the inclined shaft branch hole by main tunnel usually, conveniently transport construction materials to main tunnel in, can transport the produced slag charge of construction outside the hole simultaneously. At present, a transportation mode of combining a trackless wheel type dump truck and a rail inclined shaft mine car is mostly adopted in China.
However, practice shows that the following problems exist when the existing transportation mode is adopted for carrying out slag tapping and feeding operation: firstly, the cross section between the branch tunnel and the main construction tunnel is mainly straight, secondary transshipment is needed to be carried out on the cross section during slag discharging operation, the secondary transshipment usually needs longer time, the operation efficiency of slag discharging transportation is greatly reduced, the main factor for restricting the construction progress of the main tunnel is formed, and higher time and labor cost are brought; secondly, the same transportation route is shared in the operation of slagging tap and feeding operation, makes slag tap and feeding unable go on simultaneously, leads to the operating efficiency low, has seriously influenced the construction process.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve the problem that there is the operating efficiency low, time and cost of labor height when current transportation mode carries out the feeding operation of slagging tap, provide a big gradient inclined shaft structure suitable for small cross section tunnel.
The utility model discloses an adopt following technical scheme to realize:
a large-gradient inclined shaft structure suitable for a small-section tunnel comprises a main tunnel formed by front and back excavation and an inclined shaft which is positioned on the right side of the main tunnel and is arranged in a crossed manner with the main tunnel; a slag bin is arranged below the left side of the inclined shaft, and a slag discharging platform is arranged in the slag bin; a feeding bin formed by excavating along the rear part of the rear side wall of the inclined shaft is arranged on the rear side wall of the inclined shaft, and a feeding platform is arranged in the feeding bin; the slag discharging platform comprises a discharging hopper which is fixed on the upper end surface of the inclined shaft bottom plate and is provided with a discharging opening, and the feeding platform comprises a mounting platform which is horizontally arranged higher than the inclined shaft bottom plate and a discharging hopper I which is fixed on the upper end surface of the mounting platform and is provided with a discharging opening; a single turnout is arranged on a bottom plate of the inclined shaft, a main line of the single turnout is a track leading to the lower part of the blanking hopper, and a lateral line of the single turnout is a track I leading to the upper part of the blanking hopper I; and mine cars sliding on the track I and the track II are arranged on the track I and the track II.
The middle slag bin of the utility model is lower than the structural design of the bottom plate of the inclined shaft, so that the slag can be transferred in a direct dumping way, the manual transferring procedure is omitted, and the construction efficiency is effectively improved; the structural design of single switch turnout makes the operation of slagging tap and feeding operation go on simultaneously, makes the winch be in continuous operation state all the time, avoids producing work intermittent type, has further shortened the required time of the feeding operation of slagging tap.
When the mine car works, firstly, slag generated in construction of the tunnel face of the main tunnel is loaded into a transport vehicle, then the transport vehicle transports the slag to a slag discharging platform from the tunnel face and pours the slag into a blanking hopper, when the mine car runs to the position below the blanking hopper, a discharging opening of the blanking hopper is opened for discharging, then the mine car runs to a slag disposal field outside the inclined shaft tunnel along a rail from a slag bin under the lifting driving of a winch, and slag is discharged to finish the slag discharging operation; when the spray anchor materials need to be supplemented at the tunnel face construction position, starting a mine car loaded with the spray anchor materials from an inclined shaft opening, driving the mine car to the intersection position of the mine car and a track I along the track, pulling a single-opening turnout, transferring the mine car to the track I, and then driving the mine car to a blanking hopper I along the track I; and then, inclining the mine car under the action of a hydraulic jack, pouring the shotcrete material into a blanking hopper I, opening a discharge opening after a transport vehicle below the blanking hopper I is in place, loading the shotcrete material into the transport vehicle, transporting the shotcrete material to a tunnel face, adding water and stirring, performing shotcrete operation, and finishing the whole feeding operation. The problems of low operating efficiency, high time and high labor cost in the existing transportation mode during slag discharging and feeding operation are solved.
The rear side wall of the inclined shaft is also provided with an equipment bin which is excavated along the rear part of the inclined shaft and is positioned on the left side of the feeding bin, and a high-voltage distribution box is arranged in the equipment bin; the left side wall of the main hole is provided with a water collecting bin formed by downward excavation along the left side wall of the main hole, and the ground of the water collecting bin is provided with a water collecting pit formed by downward excavation.
The structural design of the high-voltage distribution box can provide electric support for construction in the main hole; the structural design of sump pit can be used for collecting the water of going out in the construction, and the sump pit can be used as the shunting hole simultaneously.
The bottoms of the slag bin and the feeding bin are provided with steel arches, the side walls of the slag bin and the feeding bin are provided with reinforced concrete reinforcing layers, and the outer surfaces of the reinforced concrete reinforcing layers are provided with a plurality of vertically-arranged I-shaped steel supporting rods; the mounting platform is formed by connecting reinforcing steel bars and cross-placed I-shaped steel bars.
The side walls of the slag bin and the feeding bin are reinforced by the structural design of the reinforced concrete reinforcing layer and the I-shaped steel supporting rod, so that the structural stability of the slag bin and the feeding bin is improved, and the personal safety of workers in the transportation process is ensured; the structural design of the steel arch can effectively avoid the bottom surfaces of the slag bin and the feeding bin from sinking under the action of the gravity of slag charge and spray anchor charge, and further ensure the smooth transportation of the slag charge and the spray anchor charge.
Hopper and hopper I all are the hopper-shaped hopper down of leaking hopper made by the steel sheet down, and the lateral wall of hopper is provided with the vibrator down, and the bottom is vertical to be provided with the stand of being made by the I-steel.
The structural design of the vibrator is beneficial to quickly and completely unloading the slag in the transport vehicle, and the working efficiency of slag discharging operation is improved; the structural design of the upright column provides effective support for the discharging hopper, and the structural stability of the slag bin is further ensured.
The utility model has the advantages of reasonable design reliably, realized the purpose that the operation of slagging tap goes on in step with the feeding operation. And whole work process winch does not have work intermittent type, has shortened the required time of the feeding operation of slagging tap greatly, has effectively improved the efficiency of construction, and is further, can reach the effect of safe quick tunnelling, has that the structure is firm, the fast, the transportation of slagging tap is smooth and easy, operation working strength is low advantage.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic view of the tapping platform of FIG. 1;
FIG. 3 is a schematic cross-sectional view A-A of FIG. 2;
FIG. 4 is a schematic side view of the tapping platform of FIG. 1.
In the figure, 1 is a main hole, 2 is an inclined shaft, and 3 is a slag bin; 4-feeding bin, 5-discharging hopper, 6-single turnout, 7-rail, 8-rail I, 9-mine car, 10-equipment bin, 11-water collecting bin, 12-reinforced concrete reinforcing layer, 13-vibrator, 14-upright post and 15-transport vehicle.
Detailed Description
A large-gradient inclined shaft structure suitable for a small-section tunnel comprises a main tunnel 1 formed by front and back excavation and an inclined shaft 2 which is positioned on the right side of the main tunnel 1 and is arranged in a crossed manner with the main tunnel 1; a slag bin 3 is arranged below the left side of the inclined shaft 2, and a slag discharging platform is arranged in the slag bin 3; a feeding bin 4 formed by excavating along the rear part of the rear side wall of the inclined shaft 2 is arranged on the rear side wall of the inclined shaft, and a feeding platform is arranged in the feeding bin 4; the slag discharging platform comprises a discharging hopper 5 which is fixed on the upper end surface of the bottom plate of the inclined shaft 2 and is provided with a discharging opening, and the feeding platform comprises a mounting platform which is horizontally arranged higher than the bottom plate of the inclined shaft 2 and a discharging hopper I which is fixed on the upper end surface of the mounting platform and is provided with a discharging opening; a single turnout 6 is arranged on the bottom plate of the inclined shaft 2, the main line of the single turnout 6 is a track 7 which is communicated with the lower part of the blanking hopper 5, and the lateral line of the single turnout 6 is a track I8 which is communicated with the upper part of the blanking hopper I; the track 7 and the track I8 are provided with mine cars 9 sliding on the track.
The rear side wall of the inclined shaft 2 is also provided with an equipment bin 10 which is excavated along the rear part and is positioned on the left side of the feeding bin 4, and a high-voltage distribution box is arranged in the equipment bin 10; the left side wall of the main tunnel 1 is provided with a water collecting bin 11 formed by downward excavation along the left side wall, and the ground of the water collecting bin 11 is provided with a water collecting pit formed by downward excavation. The bottoms of the slag bin 3 and the feeding bin 4 are both provided with a steel arch frame, the side walls of the slag bin and the feeding bin are both provided with a reinforced concrete reinforcing layer 12, and the outer surface of the reinforced concrete reinforcing layer 12 is provided with a plurality of vertically arranged I-shaped steel supporting rods; the mounting platform is formed by connecting reinforcing steel bars and cross-placed I-shaped steel bars. The lower hopper 5 and the lower hopper I are funnel-shaped lower hoppers made of steel plates, the side walls of the lower hoppers 5 are provided with vibrators 13, and the bottoms of the lower hoppers are vertically provided with upright columns 14 made of I-shaped steel.
In the specific implementation process, the slag bin 3 is arranged by downwards expanding and digging the ground at the elevation of the cross section, and the size of the slag bin 3 is reasonably designed according to the conditions of a hole and the slag discharging capacity matched with a winch system; the heights of the slag bin 3 and the feeding bin 4 are determined according to the ground elevation of the cross section, and a proper blanking height is reserved; the single turnout 6 is switched by adopting a manual or automatic control system during feeding; the original inclined shaft can be expanded and dug opposite to the slag bin 3 at the cross section to form an operation chamber of the high-voltage distribution box; the reinforced concrete reinforcing layer 12 is made of C25 concrete material.
Claims (4)
1. A large-gradient inclined shaft structure suitable for a small-section tunnel comprises a main tunnel (1) formed by front and back excavation and an inclined shaft (2) which is positioned on the right side of the main tunnel (1) and is arranged in a crossed manner with the main tunnel; the method is characterized in that: a slag bin (3) is arranged below the left side of the inclined shaft (2), and a slag discharging platform is arranged in the slag bin (3); a feeding bin (4) formed by excavating along the rear side of the rear side wall of the inclined shaft (2) is arranged on the rear side wall of the inclined shaft, and a feeding platform is arranged in the feeding bin (4);
the slag discharging platform comprises a discharging hopper (5) which is fixed on the upper end surface of the bottom plate of the inclined shaft (2) and is provided with a discharging opening, and the feeding platform comprises a mounting table which is horizontally arranged higher than the bottom plate of the inclined shaft (2) and a discharging hopper I which is fixed on the upper end surface of the mounting table and is provided with a discharging opening; a single turnout (6) is arranged on the bottom plate of the inclined shaft (2), the main line of the single turnout (6) is a track (7) leading to the lower part of the blanking hopper (5), and the lateral line of the single turnout (6) is a track I (8) leading to the upper part of the blanking hopper I; the track (7) and the track I (8) are both provided with mine cars (9) sliding on the track and the track I.
2. The structure of the inclined shaft with large gradient suitable for the tunnel with small section as claimed in claim 1, wherein: the rear side wall of the inclined shaft (2) is also provided with an equipment bin (10) which is excavated along the rear part and is positioned on the left side of the feeding bin (4), and a high-voltage distribution box is arranged in the equipment bin (10); the left side wall of the main tunnel (1) is provided with a water collecting bin (11) formed by downward excavation along the left side wall of the main tunnel, and the ground of the water collecting bin (11) is provided with a water collecting pit formed by downward excavation.
3. The structure of the inclined shaft with large gradient suitable for the tunnel with small section as claimed in claim 1, wherein: the bottoms of the slag bin (3) and the feeding bin (4) are respectively provided with a steel arch frame, the side walls of the slag bin and the feeding bin are respectively provided with a reinforced concrete reinforcing layer (12), and the outer surface of each reinforced concrete reinforcing layer (12) is respectively provided with a plurality of vertically-arranged I-shaped steel supporting rods; the mounting platform is formed by connecting reinforcing steel bars and cross-placed I-shaped steel bars.
4. The structure of the inclined shaft with large gradient suitable for the tunnel with small section as claimed in claim 1, wherein: hopper (5) and hopper I all are the hopper-shaped hopper down of making by the steel sheet down, and the lateral wall of hopper (5) is provided with vibrator (13) down, and the bottom is vertical to be provided with stand (14) of making by the I-steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922347918.4U CN211713905U (en) | 2019-12-24 | 2019-12-24 | Large-gradient inclined shaft structure suitable for small-section tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922347918.4U CN211713905U (en) | 2019-12-24 | 2019-12-24 | Large-gradient inclined shaft structure suitable for small-section tunnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211713905U true CN211713905U (en) | 2020-10-20 |
Family
ID=72818290
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922347918.4U Expired - Fee Related CN211713905U (en) | 2019-12-24 | 2019-12-24 | Large-gradient inclined shaft structure suitable for small-section tunnel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211713905U (en) |
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2019
- 2019-12-24 CN CN201922347918.4U patent/CN211713905U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201020 |