CN212671838U - Construction air pipe device suitable for extra-long tunnel in alpine region - Google Patents
Construction air pipe device suitable for extra-long tunnel in alpine region Download PDFInfo
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- CN212671838U CN212671838U CN202021168774.2U CN202021168774U CN212671838U CN 212671838 U CN212671838 U CN 212671838U CN 202021168774 U CN202021168774 U CN 202021168774U CN 212671838 U CN212671838 U CN 212671838U
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Abstract
The utility model discloses a construction tuber pipe device suitable for severe cold district extra long tunnel, set up air supply relay subassembly through widening section department in the tunnel, provide syntropy wind-force for the construction tuber pipe in giving whole extra long tunnel, play the effect of air supply grafting, the effective air delivery distance is long for the construction of the extra long tunnel in the past of having solved, the not enough problem of face wind pressure, be connected rubber hose and iron pipe segment through first flow divider simultaneously, rubber hose again with near the mechanical equipment that need use of face, pneumatic equipment is connected, the characteristic that utilizes rubber hose itself can suitably adjust the deformation has avoided frequent removal of construction equipment such as pneumatic equipment, the problem of conflict takes place with the construction tuber pipe easily, whole construction tuber pipe device is simple with low costs, construction convenience is swift, and has the practicality, economic nature and high operating efficiency's value.
Description
Technical Field
The utility model relates to a tunnel construction technical field. More specifically speaking, the utility model relates to a construction tuber pipe device suitable for severe cold district extra long tunnel.
Background
In alpine regions, tunnel construction difficulty is high due to high altitude, low oxygen content, low temperature and complex geology, ventilation needs to be carried out inside the tunnel in the tunnel construction process, and some pneumatic equipment can normally run only by enough wind pressure and wind volume. The tunnel face is a working face of a tunnel engineering excavation tunnel which is continuously pushed forward, and due to the special length of the tunnel, the special long tunnel in a severe cold area has long construction wind conveying distance and insufficient tunnel face wind pressure, and the construction pneumatic equipment at the tunnel face needs to be frequently moved, so that the collision between the construction pneumatic equipment and a construction air pipe is easily caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a construction tuber pipe device suitable for severe cold district extra long tunnel to the construction tuber pipe device of tunnel is unfavorable for the technical problem of the construction of wind equipment of face among the solution prior art.
In order to realize according to the utility model discloses these objects and other advantages, a construction tuber pipe device suitable for severe cold district extra long tunnel is provided, include:
the construction air pipe is arranged corresponding to one tunnel, the construction air pipe is formed by a plurality of iron pipe sections along the direction of the tunnel, two adjacent iron pipe sections are connected through a flange, a first diversion valve is arranged at the tail end of the iron pipe section close to one end of the tunnel face, a rubber hose is correspondingly connected and arranged at the outlet of the first diversion valve, and the rubber hose extends to the tunnel face;
the air supply relay assemblies are arranged at intervals along the direction of the tunnel and are respectively positioned in the tunnel widening section, each air supply relay assembly comprises a check valve and a plurality of air compressors, the air outlet of each air compressor is communicated with the inside of the iron pipe section at the corresponding tunnel widening section, and the check valves are arranged at the joints of the iron pipe sections corresponding to the tunnel widening section and the adjacent iron pipe sections close to the tunnel opening.
Preferably, a double-layer bracket is respectively arranged between each iron pipe segment close to the water pipe and the adjacent water pipe in the tunnel, the double-layer bracket comprises an upper cross rod, a lower cross rod and a vertical supporting rod connected between the upper cross rod and the lower cross rod, the length of the upper cross rod is slightly smaller than that of the lower cross rod, the water pipe is placed on the upper cross rod, the iron pipe segments close to the water pipe are placed on the lower cross rod, one ends, far away from the vertical supporting rod, of the upper cross rod and the lower cross rod are respectively vertically and upwards provided with a stop lever, and the bottom of the lower cross rod is downwards provided with a plurality of supporting legs.
Preferably, the supporting legs are four, the supporting legs are two-by-two formed pair of supporting legs and are respectively located at two ends of the lower cross rod in the length direction, the center of the vertical supporting rod faces the upper cross rod and the lower cross rod respectively, an inclined supporting rod is obliquely arranged on the upper cross rod and the lower cross rod, a connecting rod which is vertical in direction is connected and arranged between the two inclined supporting rods, and the connecting rod is located between the centers of the vertical supporting rod and the upper cross rod.
Preferably, a plurality of drain valves are arranged on the construction air pipe at intervals.
Preferably, a plurality of second flow dividing valves are further arranged on the construction air pipe at intervals.
Preferably, 4 air compressors of each group of the air supply relay assemblies are arranged.
The utility model discloses at least, include following beneficial effect: the utility model discloses a construction tuber pipe device suitable for severe cold district extra long tunnel sets up air supply relay subassembly through widening section department in the tunnel, provide the syntropy wind-force for the construction tuber pipe in giving whole extra long tunnel, play the effect of air supply grafting, the effective air delivery distance for the past extra long tunnel construction of having solved is long, the problem that face wind pressure is not enough, be connected rubber hose and iron pipe segment through first flow divider simultaneously, rubber hose again with near the mechanical equipment that needs to use of face, pneumatic equipment is connected, the characteristic that utilizes rubber hose itself can suitably adjust the deformation has been avoided if the frequent removal of construction equipment such as pneumatic equipment, the problem that conflicts takes place with the construction tuber pipe easily, whole construction tuber pipe device is simple with low costs, construction convenience is swift, and has practicability, economic nature and high operating efficiency's value.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural diagram of the double-layered bracket of the present invention.
The specification reference numbers indicate: 1. the construction method comprises the following steps of construction air pipes, 2, a tunnel face, 3, a first flow dividing valve, 4, a rubber hose, 5, a tunnel widening section, 6, an air supply relay assembly, 7, an air compressor, 8, a check valve, 9, a double-layer bracket, 10, an upper cross rod, 11, a lower cross rod, 12, a vertical supporting rod, 13, a stop rod, 14, an inclined supporting rod, 15, a connecting rod, 16, a supporting leg, 17, a water drain valve, 18, a second flow dividing valve, 19 and a tunnel.
Detailed Description
The present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.
In the description of the present invention, the terms "lateral", "longitudinal", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
As shown in fig. 1 and 2, the utility model discloses a construction tuber pipe device suitable for severe cold district extra long tunnel, include:
the construction air pipe 1 is arranged corresponding to one tunnel 19, the construction air pipe 1 is formed by arranging a plurality of iron pipe sections along the direction of the tunnel 19, two adjacent iron pipe sections are connected through a flange, a first flow dividing valve 3 is arranged at the tail end of the iron pipe section close to one end of the tunnel face 2, a rubber hose 4 is correspondingly connected and arranged at an outlet of the first flow dividing valve 3, and the rubber hose 4 extends to the tunnel face 2;
the air supply relay assemblies 6 are arranged at intervals along the direction of the tunnel 19 and are respectively positioned in the tunnel widening section 5, each air supply relay assembly 6 comprises a check valve 8 and a plurality of air compressors 7, the air outlet of each air compressor 7 is communicated with the inside of the iron pipe section at the corresponding tunnel widening section 5, and the check valve 8 is arranged at the joint of the iron pipe section corresponding to the tunnel widening section 5 and the adjacent iron pipe section close to the tunnel mouth.
The construction air pipes are laid in the ultra-long tunnel in the alpine region along the tunnel direction, the construction air pipes generally adopt cold-resistant iron pipes as connecting sections, the iron pipes with the inner diameter of 20cm can be adopted, each section is 6m long, and the iron pipe sections are connected through flanges. The tunnel widening sections are arranged at intervals along the direction of the tunnel, the tunnel widening sections are provided with air supply relay assemblies which do not occupy the passing road of the tunnel, a plurality of groups of air supply relay assemblies are arranged at intervals along the direction of the tunnel, the tunnel widening sections at corresponding positions can be arranged at intervals of 1400m, a plurality of air compressors and 1 check valve are arranged in a concentrated manner, air outlets of all the air compressors can be connected and arranged with a small iron pipe which is welded on the iron pipe section so that the air compressors are communicated with the inside of the iron pipe section, each group of air supply relay assemblies respectively provide wind power for a construction air pipe in the whole extra-long tunnel to play a role of air supply connection, meanwhile, a check valve is arranged at the connection position of one of the iron pipe sections between the air compressors and the tunnel mouth which are arranged in each group to prevent air pressure from flowing backwards, then rubber hoses are connected on the iron pipe sections of the construction air pipes close to the tunnel face to be, the first flow dividing valve can be arranged on an iron pipe section which is about 50m away from the tunnel face, rubber hoses with the inner diameter of 7cm are adopted to extend to the tunnel face, the number of the flow dividing paths of the first flow dividing valve is selected according to the field construction requirement of the tunnel face, the rubber hoses are connected in a one-to-one correspondence mode, the number of the flow dividing paths of the first flow dividing valve can be two, one flow dividing path is used for step construction, the other flow dividing path is used for primary support deformation treatment, the free end of each rubber hose is connected with mechanical equipment and pneumatic equipment which need to be used nearby the tunnel face, and therefore the problems that the mechanical equipment and the pneumatic equipment are frequently moved and conflict with a construction.
The utility model discloses a construction tuber pipe device suitable for severe cold district extra long tunnel sets up air supply relay subassembly through widening section department in the tunnel, provide the syntropy wind-force for the construction tuber pipe in giving whole extra long tunnel, play the effect of air supply grafting, the effective air delivery distance for the past extra long tunnel construction of having solved is long, the problem that face wind pressure is not enough, be connected rubber hose and iron pipe segment through first flow divider simultaneously, rubber hose again with near the mechanical equipment that needs to use of face, pneumatic equipment is connected, utilize the characteristic that rubber hose itself can suitably adjust the deformation to have avoided if the frequent removal of construction equipment such as pneumatic equipment, take place the problem of conflict with the construction tuber pipe easily. The whole construction air pipe device is simple, low in cost, convenient and quick to construct, and has the values of practicability, economy and high operation efficiency.
In another technical solution, as shown in fig. 2, a double-layer bracket 9 is respectively disposed between each iron pipe segment close to a water pipe and the adjacent water pipe in a tunnel 19, the double-layer bracket 9 includes an upper cross bar 10, a lower cross bar 11 and a vertical support bar 12 connected between the upper cross bar 10 and the lower cross bar 11, the length of the upper cross bar 10 is slightly less than that of the lower cross bar 11, the water pipe is placed on the upper cross bar 10, the iron pipe segment close to the water pipe is placed on the lower cross bar 11, a stopper 13 is vertically and upwardly disposed at each end of the upper cross bar 10 and the lower cross bar 11 far from the vertical support bar 12, and a plurality of support feet 16 fixedly connected with the ground are downwardly disposed at the bottom of the lower cross bar 11.
Because the tunnel is very long, water pipes can be arranged in the tunnel according to the water requirement, the general diameter of the water pipes is smaller than that of the construction air pipes, part of iron pipe sections can be close to the water pipes at corresponding positions when the construction air pipes extend to the tunnel face from the tunnel portal, a double-layer bracket is arranged between the sections of the water pipes and the iron pipe sections at corresponding positions, the double-layer bracket can be made of 5 x 5cm angle steel, the height of a vertical supporting rod is 60cm, the width of a lower cross rod is 35cm, the width of an upper cross rod is 15cm, supporting legs of the double-layer bracket are fixed with the ground of the tunnel, the lower cross rod provides support for the iron pipe sections at corresponding positions, the vertical supporting rod is close to the side wall of the tunnel, the upper cross rod provides support for the water supply pipes after the lower cross rod is connected with the upper cross rod through the vertical supporting rod, thereby play the effect of firm support simultaneously for construction tuber pipe and water pipe, need not set up two supports alone respectively, improved the efficiency of construction.
In another technical solution, as shown in fig. 2, four supporting legs 16 are provided, and two of the supporting legs are formed into a pair and are respectively located at two ends of the length direction of the lower cross bar 11, the center of the vertical supporting bar 12 is respectively provided with an inclined supporting bar 14 towards the upper cross bar 10 and the lower cross bar 11, a connecting bar 15 with a vertical direction is connected between the two inclined supporting bars 14, and the connecting bar 15 is located between the center of the vertical supporting bar 12 and the center of the upper cross bar 10.
Set up four supporting legss and fall into 2 groups at the both ends of sheer pole, the balanced support of whole double-deck bracket of being convenient for sets up the bearing diagonal pole in addition, provides further support for going up the sheer pole, and the rethread connecting rod is consolidated.
In another technical scheme, as shown in fig. 1, a plurality of drain valves 17 are arranged on the construction air duct 1 at intervals.
The drain valve is arranged on the construction air pipe, so that the problem of blockage caused by freezing of the construction air pipe in winter can be effectively solved, when the drain valve is arranged, the drain valve with the inner diameter of 3cm can be arranged on the section of the iron pipe, located at the opening of the tunnel, of the construction air pipe, and the drain valve is arranged on the construction air pipe in the tunnel every 600 m.
In another technical scheme, as shown in fig. 1, a plurality of second diversion valves 18 are further arranged on the construction air duct 1 at intervals.
The tunnel adopts the step method construction, the deformation treatment of just propping needs to be worked in different sections, the interval sets up a plurality of second shunt valve and is used for the construction of next step and the deformation treatment of just propping, can set up the second shunt valve of an internal diameter 5cm at every 20m department on the iron pipe section pipe wall of construction tuber pipe during the setting, when not using, the export of second shunt valve is closed and is not influenced the whole air supply of construction tuber pipe, be connected the export and the construction equipment of second shunt valve according to the construction needs during the use, thereby the construction wind problem of many sections operation has been solved.
In another technical solution, as shown in fig. 1, 4 air compressors 7 of each group of the air supply relay assemblies 6 are provided.
4 air compressors of each air supply relay assembly can basically meet the requirement of relay air supply, and construction cost is convenient to control.
While the embodiments of the invention have been disclosed above, it is not limited to the applications listed in the description and the embodiments, which are fully applicable in all kinds of fields where the invention is suitable, and further modifications may readily be made by those skilled in the art, and the invention is thus not limited to the specific details and herein shown and described in fig. 1, 2, without departing from the general concept defined by the claims and their equivalents.
Claims (6)
1. Construction tuber pipe device suitable for severe cold district extra long tunnel, its characterized in that includes:
the construction air pipe is arranged corresponding to one tunnel, the construction air pipe is formed by a plurality of iron pipe sections along the direction of the tunnel, two adjacent iron pipe sections are connected through a flange, a first diversion valve is arranged at the tail end of the iron pipe section close to one end of the tunnel face, a rubber hose is correspondingly connected and arranged at the outlet of the first diversion valve, and the rubber hose extends to the tunnel face;
the air supply relay assemblies are arranged at intervals along the direction of the tunnel and are respectively positioned in the tunnel widening section, each air supply relay assembly comprises a check valve and a plurality of air compressors, the air outlet of each air compressor is communicated with the inside of the iron pipe section at the corresponding tunnel widening section, and the check valves are arranged at the joints of the iron pipe sections corresponding to the tunnel widening section and the adjacent iron pipe sections close to the tunnel opening.
2. The air duct device for construction of extra-long tunnel in alpine region as claimed in claim 1, wherein a double-layer bracket is respectively provided between each iron pipe segment close to the water pipe and the adjacent water pipe in the tunnel, the double-layer bracket includes an upper cross bar, a lower cross bar and a vertical support bar connected between the upper cross bar and the lower cross bar, the length of the upper cross bar is slightly less than that of the lower cross bar, the water pipe is placed on the upper cross bar, the iron pipe segment close to the water pipe is placed on the lower cross bar, the ends of the upper cross bar and the lower cross bar far away from the vertical support bar are respectively provided with a stop bar vertically upwards, and the bottom of the lower cross bar is provided with a plurality of support legs fixedly connected.
3. The construction air duct device suitable for the extra-long tunnel in the alpine region according to claim 2, wherein four supporting legs are provided, and two supporting legs are combined into a pair and located at two ends of the lower cross bar in the length direction, the center of the vertical supporting bar is respectively provided with an inclined supporting bar inclined towards the upper cross bar and the lower cross bar, a connecting bar vertical in direction is connected between the two inclined supporting bars, and the connecting bar is located at a position between the center of the vertical supporting bar and the center of the upper cross bar.
4. The construction air duct device suitable for the extra-long tunnel in the alpine region as claimed in claim 1, wherein a plurality of drain valves are arranged on the construction air duct at intervals.
5. The construction air duct device suitable for the extra-long tunnel in the alpine region according to claim 1, wherein a plurality of second flow dividing valves are further arranged on the construction air duct at intervals.
6. The construction air duct device suitable for the extra-long tunnel in the alpine region as claimed in claim 1, wherein there are 4 air compressors in each set of the air supply relay assemblies.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021168774.2U CN212671838U (en) | 2020-06-22 | 2020-06-22 | Construction air pipe device suitable for extra-long tunnel in alpine region |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021168774.2U CN212671838U (en) | 2020-06-22 | 2020-06-22 | Construction air pipe device suitable for extra-long tunnel in alpine region |
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| CN212671838U true CN212671838U (en) | 2021-03-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021168774.2U Active CN212671838U (en) | 2020-06-22 | 2020-06-22 | Construction air pipe device suitable for extra-long tunnel in alpine region |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113446042A (en) * | 2021-07-21 | 2021-09-28 | 上海市政工程设计研究总院（集团）有限公司 | Ventilation method for water delivery tunnel in steel pipe transportation and welding process |
| CN113607372A (en) * | 2021-08-05 | 2021-11-05 | 安徽理工大学 | Long-pressure short-pumping ventilation dust fall experiment platform air compression system |
-
2020
- 2020-06-22 CN CN202021168774.2U patent/CN212671838U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113446042A (en) * | 2021-07-21 | 2021-09-28 | 上海市政工程设计研究总院（集团）有限公司 | Ventilation method for water delivery tunnel in steel pipe transportation and welding process |
| CN113446042B (en) * | 2021-07-21 | 2022-09-20 | 上海市政工程设计研究总院（集团）有限公司 | Ventilation method for water delivery tunnel in steel pipe transportation and welding process |
| CN113607372A (en) * | 2021-08-05 | 2021-11-05 | 安徽理工大学 | Long-pressure short-pumping ventilation dust fall experiment platform air compression system |
| CN113607372B (en) * | 2021-08-05 | 2023-12-19 | 安徽理工大学 | Long-pressure short-pumping ventilation dust fall experiment platform air compression system |
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