CN215060418U - Many water supply and drainage pipeline of severe cold district railway engineering lay structure - Google Patents
Many water supply and drainage pipeline of severe cold district railway engineering lay structure Download PDFInfo
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- CN215060418U CN215060418U CN202121708291.1U CN202121708291U CN215060418U CN 215060418 U CN215060418 U CN 215060418U CN 202121708291 U CN202121708291 U CN 202121708291U CN 215060418 U CN215060418 U CN 215060418U
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Abstract
The utility model relates to a many water supply and drainage pipe of severe cold district railway engineering lay structure, including miniature piping lane and a plurality of operation well, miniature piping lane includes the gallery body and gallery lid, the internal portion of gallery is provided with many water supply and drainage pipes, be provided with freeze-proof device around the water supply and drainage pipe, be provided with a plurality of valves on the water supply and drainage pipe, the below of every valve is provided with the conversion well, the control lever of valve is located the conversion well, be provided with the valve rod in the operation well, the valve rod passes through drive mechanism and links to each other with the control lever. Through setting up the operation well beside the miniature piping lane to set up the valve rod in the operation well, when needing to close or open the valve on the plumbing pipe, personnel can get into and operate the valve rod in the operation well, and the motion of valve rod passes through the control lever that drive mechanism transmitted the valve, drives the control lever motion, realizes opening or closing of valve. The operation well has enough space, has improved the convenience of personnel's operation.
Description
Technical Field
The utility model belongs to the technical field of the piping lane and specifically relates to a many water supply and drainage pipeline of severe cold district railway engineering lay structure.
Background
The pipe gallery is generally used for laying of various pipelines and cables, and common pipe gallery sets up the underground at city sidewalk, square or greenbelt, but a small number of highways, railway need set up the pipe gallery along the line, and some are in plateau area along the line, like the line is hidden to the river, and temperature is low, the oxygen deficiency, and the degree of depth of frozen soil is big, influences miniature pipe gallery's normal use.
Aiming at the problems existing at present, particularly the problems that the laying depth of the pipeline needs to be comprehensively considered, the reliable anti-freezing measure needs to be taken, and the maintenance is convenient, so that the pipeline anti-freezing device is suitable for railway engineering in alpine regions. In addition, need set up the valve on the pipeline in order to control the break-make of pipeline, the control lever setting of conventional valve occupies certain space in the top of pipeline, still needs to keep warm the control lever, and is more troublesome during the operation.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a many water supply and drainage pipeline of severe cold district railway engineering lay structure is provided, the pipeline is convenient for control pipeline's break-make when frost-proof.
The utility model provides a technical scheme that its technical problem adopted is: many water supply and drainage pipe of severe cold district railway engineering lay structure, including miniature piping lane and a plurality of operation well, miniature piping lane includes the gallery body and gallery lid, the internal portion of gallery is provided with many plumbing pipes, be provided with freeze-proof device around the plumbing pipe, be provided with a plurality of valves on the plumbing pipe, the below of every valve is provided with the conversion well, the control lever of valve is located the conversion well, be provided with the valve rod in the operation well, the valve rod passes through drive mechanism and links to each other with the control lever.
Furthermore, the anti-freezing device comprises a plurality of heating wires arranged on the outer wall of the lower part of the water supply and drainage pipe.
Further, the outer wall of the upper portion of the water supply and drainage pipe is wrapped with an air bag, the air bag is connected with an air inlet pipe, the air bags outside the two adjacent water supply and drainage pipes are communicated with each other, and the air inlet end of the air inlet pipe is located in the operation well and connected with a main air pipe.
Further, an air inlet check valve is arranged on the air inlet pipe.
Furthermore, the top of each water supply and drainage pipe is connected with a vertical exhaust pipe, the upper end of each exhaust pipe is connected with a main exhaust pipe, and the gas outlet of each main exhaust pipe is located in the operation well and is provided with an exhaust valve.
Further, an exhaust check valve is arranged on the main exhaust pipe.
Furthermore, a concrete supporting block is arranged at the bottom of the inner cavity of the gallery body, a plurality of supporting grooves with semicircular sections are formed in the upper surface of the concrete supporting block, and the water supply and drainage pipe is located in the supporting grooves.
Further, an insulating layer is filled between the water supply and drainage pipe and the gallery cover.
Furthermore, a waterproof geotextile layer is arranged between the water supply and drainage pipe and the heat preservation layer.
Further, a temperature sensor and a humidity sensor are arranged between the water supply and drainage pipe and the waterproof geotextile layer.
The utility model has the advantages that: through setting up the operation well beside the miniature piping lane to set up the valve rod in the operation well, when needing to close or open the valve on the plumbing pipe, personnel can get into and operate the valve rod in the operation well, and the motion of valve rod passes through the control lever that drive mechanism transmitted the valve, drives the control lever motion, realizes opening or closing of valve. The operation well has enough space, has improved the convenience of personnel's operation. In addition, the control rod of the valve is positioned below the water supply and drainage pipe, so that additional anti-freezing measures are not needed, and the structure of the anti-freezing device is simplified.
Drawings
Fig. 1 is a schematic view of the present invention;
reference numerals: 1, operating a well; 2-gallery body; 3, a gallery cover; 4, water supply and drainage pipes; 5, switching the well; 6-control lever; 7-valve stem; 8, a transmission mechanism; 9-heating wire; 10-air bag; 11-inlet pipe; 12-a main gas pipe; 13-exhaust pipe; 14 — total exhaust pipe; 15-exhaust valve; 16-air inlet check valve; 17-exhaust check valve; 18-a concrete support block; 19-insulating layer; 20-waterproof geotextile layer.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
As shown in fig. 1, the utility model discloses a many water supply and drainage pipe of severe cold district railway engineering lay structure, including miniature pipe gallery and a plurality of operation well 1, miniature pipe gallery includes the gallery body 2 and gallery lid 3, the gallery body 2 inside is provided with many water supply and drainage pipe 4, be provided with freeze-proof device around water supply and drainage pipe 4, be provided with a plurality of valves on water supply and drainage pipe 4, the below of every valve is provided with conversion well 5, control lever 6 of valve is located conversion well 5, be provided with valve rod 7 in the operation well 1, valve rod 7 passes through drive mechanism 8 and links to each other with control lever 6.
The gallery body 2 and the gallery cover 3 are formed by concrete pouring, and can be poured on site or prefabricated and assembled. The porch cover 3 can seal the opening part of the porch body 2, and plays a certain role in heat insulation and warm keeping. The water supply and drainage pipes 4 are used for draining and supplying water, and the specific number can be 2, 3 or 4. In order to stably fix the water supply and drainage pipes 4 inside the gallery body 2, a concrete supporting block 18 is arranged at the bottom of the inner cavity of the gallery body 2, a plurality of supporting grooves with semicircular sections are formed in the upper surface of the concrete supporting block 18, and the water supply and drainage pipes 4 are located in the supporting grooves. The concrete supporting block 18 is made of aerated concrete, has good heat preservation and insulation effects while fixing the water supply and drainage pipe 4, and is beneficial to preventing the water supply and drainage pipe 4 from freezing.
The anti-freezing device is used for preventing the water supply and drainage pipe 4 from freezing, and particularly comprises a plurality of heating wires 9 arranged on the outer wall of the lower part of the water supply and drainage pipe 4. Heating wire 9 sets up the support inslot wall at concrete supporting shoe 18, and with the contact of water supply and drainage pipe 4, the circular telegram back, heating wire 9 produces the heat, and the heat is from supreme transmission to water supply and drainage pipe 4 inside down, to the water heat supply load in water supply and drainage pipe 4, prevents that water from freezing.
In order to improve the anti-freezing effect, the outer wall of the upper portion of the water supply and drainage pipe 4 is wrapped with an air bag 10, the air bag 10 is connected with an air inlet pipe 11, the air bags 10 outside the two adjacent water supply and drainage pipes 4 are communicated with each other, and the air inlet end of the air inlet pipe 11 is located in the operation well 1 and is connected with a main air pipe 12. When the temperature is very low and the freezing damage is serious in winter, hot air or hot liquid, such as geothermal water, tunnel hot water, natural hot springs or warm air and the like, can be introduced into each air inlet pipe 11 through the main air pipe 12, and the hot air or the hot liquid enters the air bag 10 and can be transferred into the water supply and drainage pipe 4 to prevent the water from freezing. In order to prevent the hot gas or liquid in the inlet pipe 11 from flowing back into the main gas pipe 12, an inlet check valve 16 is provided on the inlet pipe 11. The bladder 10 is also connected to a vent passage to facilitate venting of hot or hot gases for circulation.
The top of each water supply and drainage pipe 4 is connected with a vertical exhaust pipe 13, the upper end of the exhaust pipe 13 is connected with a main exhaust pipe 14, and the air outlet of the main exhaust pipe 14 is positioned in the operation well 1 and is provided with an exhaust valve 15. In special cases, the exhaust valve 15 can be opened to promote the gas flow in the water supply and drainage pipe 4, so as to drive the water to flow and prevent the water from freezing. The main exhaust pipe 14 is provided with an exhaust check valve 17 so that gas can only enter the main exhaust pipe 14 from the exhaust pipe 13 and be exhausted outwards, but cannot flow backwards into the drain pipe 4.
The heat preservation layer 19 is filled between the water supply and drainage pipe 4 and the gallery cover 3, the heat preservation layer 19 is made of diatomite or polyurethane heat preservation materials, the heat insulation effect is achieved, heat dissipation is slowed down, the energy consumption of the anti-freezing device is reduced, and the anti-freezing effect is improved.
A waterproof geotextile layer 20 is arranged between the water supply and drainage pipe 4 and the heat preservation layer 19, and the waterproof geotextile layer 20 can block rainwater and ice and snow in the infiltrated micro pipe gallery from melting, so that adverse effects of water on the anti-freezing device are prevented.
Be provided with temperature sensor and humidity transducer between plumbing pipe 4 and waterproof geotechnological cloth layer 20, temperature sensor and humidity transducer are used for detecting temperature and humidity respectively to whether need let in hot water or steam to gasbag 10 according to the electric current size that temperature regulation lets in heater conductor 9 or confirm, thereby adjust the heat production, guarantee the effect of preventing frostbite. Whether the waterproof geotextile layer 20 is damaged or not can be judged according to the humidity, so that the waterproof geotextile layer 20 can be repaired in time after being damaged.
The water supply and drainage pipe 4 is provided with a valve at intervals, an operation well 1 is dug near the valve at intervals, a conversion well 5 is arranged below the valve at intervals, a control rod 6 of the valve is positioned in the conversion well 5, the control rod 6 is positioned below the water supply and drainage pipe 4, the space above the water supply and drainage pipe 4 is not occupied, the arrangement of an anti-freezing device is not influenced, and an additional anti-freezing facility does not need to be arranged on the control rod 6. The valve rod 7 is arranged in the operation well 1, and the movement of the valve rod 7 can be transmitted to the control rod 6 through the transmission mechanism 8, so that when the valve needs to be opened or closed, an operator enters the operation well 1 and operates in a mode of rotating the valve rod 7. The space of the operation well 1 is large, and the convenience of operation is improved. Drive mechanism 8 can adopt transmission shaft and bevel gear matched with structure, and the vertical setting of valve rod 7 will move the transmission to horizontally transmission shaft through bevel gear set during the rotation, and the transmission shaft rethread bevel gear set will rotate the motion transmission to vertical control lever 6, can accomplish the switching of valve.
The main gas pipe 12, the exhaust valve 15, etc. are located in the operation well 1 so as to facilitate the introduction of warm or hot water into the main gas pipe 12 and the operation of the exhaust valve 15.
The utility model is suitable for an area that has frozen soil layer throughout the year in plateau can reduce the influence of environment low temperature to piping lane internal plant, and economic benefits or social are obvious.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. Many water supply and drainage pipeline of severe cold district railway engineering lay structure, its characterized in that: including miniature pipe gallery and a plurality of operation well (1), miniature pipe gallery includes the gallery body (2) and gallery lid (3), gallery body (2) inside is provided with many plumbing pipes (4), be provided with freeze-proof device around plumbing pipe (4), be provided with a plurality of valves on plumbing pipe (4), the below of every valve is provided with conversion well (5), control lever (6) of valve are located conversion well (5), be provided with valve rod (7) in operation well (1), valve rod (7) link to each other with control lever (6) through drive mechanism (8).
2. The laying structure of a plurality of water supply and drainage pipelines of railway engineering in alpine regions according to claim 1, characterized in that: the anti-freezing device comprises a plurality of heating wires (9) arranged on the outer wall of the lower part of the water supply and drainage pipe (4).
3. The laying structure of a plurality of water supply and drainage pipelines of railway engineering in alpine regions as claimed in claim 1 or 2, characterized in that: the outer wall of the upper portion of the water supply and drainage pipe (4) is wrapped by an air bag (10), the air bag (10) is connected with an air inlet pipe (11), the air bags (10) outside the two adjacent water supply and drainage pipes (4) are communicated with each other, and the air inlet end of the air inlet pipe (11) is located in the operation well (1) and is connected with a main air pipe (12).
4. The laying structure of a plurality of water supply and drainage pipelines of railway engineering in alpine regions as claimed in claim 3, characterized in that: an air inlet one-way valve (16) is arranged on the air inlet pipe (11).
5. The laying structure of a plurality of water supply and drainage pipelines of railway engineering in alpine regions according to claim 1, characterized in that: the top of every plumbing pipe (4) is connected with vertical blast pipe (13), the upper end of blast pipe (13) is connected with total blast pipe (14), the gas outlet of total blast pipe (14) is located operation well (1) and is provided with discharge valve (15).
6. The laying structure of a plurality of water supply and drainage pipelines of railway engineering in alpine regions according to claim 1, characterized in that: an exhaust one-way valve (17) is arranged on the main exhaust pipe (14).
7. The laying structure of a plurality of water supply and drainage pipelines of railway engineering in alpine regions according to claim 1, characterized in that: the bottom of the inner cavity of the gallery body (2) is provided with a concrete supporting block (18), the upper surface of the concrete supporting block (18) is provided with a plurality of supporting grooves with semicircular sections, and the water supply and drainage pipe (4) is positioned in the supporting grooves.
8. The laying structure of a plurality of water supply and drainage pipelines of railway engineering in alpine regions according to claim 1, characterized in that: and a heat-insulating layer (19) is filled between the water supply and drainage pipe (4) and the gallery cover (3).
9. The laying structure of a plurality of water supply and drainage pipelines of railway engineering in alpine regions according to claim 8, characterized in that: and a waterproof geotextile layer (20) is arranged between the water supply and drainage pipe (4) and the heat preservation layer (19).
10. The laying structure of a plurality of water supply and drainage pipelines of railway engineering in alpine regions according to claim 8, characterized in that: and a temperature sensor and a humidity sensor are arranged between the water supply and drainage pipe (4) and the waterproof geotextile layer (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121708291.1U CN215060418U (en) | 2021-07-26 | 2021-07-26 | Many water supply and drainage pipeline of severe cold district railway engineering lay structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121708291.1U CN215060418U (en) | 2021-07-26 | 2021-07-26 | Many water supply and drainage pipeline of severe cold district railway engineering lay structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215060418U true CN215060418U (en) | 2021-12-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121708291.1U Active CN215060418U (en) | 2021-07-26 | 2021-07-26 | Many water supply and drainage pipeline of severe cold district railway engineering lay structure |
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| CN (1) | CN215060418U (en) |
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2021
- 2021-07-26 CN CN202121708291.1U patent/CN215060418U/en active Active
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