CN109681241B - Automatic constant temperature maintenance simple rack for tunnel two liners - Google Patents
Automatic constant temperature maintenance simple rack for tunnel two liners Download PDFInfo
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- CN109681241B CN109681241B CN201910136227.1A CN201910136227A CN109681241B CN 109681241 B CN109681241 B CN 109681241B CN 201910136227 A CN201910136227 A CN 201910136227A CN 109681241 B CN109681241 B CN 109681241B
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- water pipe
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- control device
- shaped water
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- 238000012423 maintenance Methods 0.000 title claims abstract description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 108
- 238000010438 heat treatment Methods 0.000 claims abstract description 15
- 238000005507 spraying Methods 0.000 claims abstract description 13
- 229910000831 Steel Inorganic materials 0.000 claims description 17
- 239000010959 steel Substances 0.000 claims description 17
- 238000009423 ventilation Methods 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 5
- 229910001335 Galvanized steel Inorganic materials 0.000 claims description 4
- 239000008397 galvanized steel Substances 0.000 claims description 4
- 238000010276 construction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000001788 irregular Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention provides a simple automatic constant-temperature maintenance rack for a tunnel secondary lining, which aims to better maintain the concrete of the tunnel secondary lining, ensure the quality of the concrete, integrate a traveling device, a supporting device, a water supply device, a temperature control device, a time control device and a spraying device into a whole, support the spraying device through the supporting device, the water supply device provides a water source of the spraying device, the temperature control device and the time control device control the water supply and the temperature of the water supply device, the traveling device is positioned at the bottom of the supporting device to realize the movement of the supporting device, the spraying device comprises an arc-shaped water pipe and a nozzle, the nozzle is arranged on the arc-shaped outer circle of the arc-shaped water pipe, the water supply device comprises a booster pump and a water pipe, the water pipe is connected with the high-pressure water pump and the arc-shaped water pipe, the temperature control device comprises an instant-heating type thermostat, the time control device comprises a timing plugboard, and the booster pump and the instant-heating type thermostat is connected on the timing plugboard.
Description
Technical Field
The invention relates to a tunnel secondary lining curing device, in particular to an automatic constant-temperature simple rack for curing a tunnel secondary lining.
Background
Along with the sustainable development of the high-speed rail technology in China, the requirements on the infrastructure are higher and higher, and especially the tunnel construction is more in need of new requirements. Because of the wind tunnel effect when the high-speed train passes through the tunnel, the secondary lining concrete in the tunnel can be subjected to huge pressure, the quality of the secondary lining concrete becomes particularly important for ensuring the running safety of the train, and the maintenance of the concrete is just one of key factors of good quality of the concrete, especially the temperature in long and large tunnel holes is higher, the air is dry, the water in the concrete is extremely easy to run off, the shrinkage deformation is larger, shrinkage cracks are generated, and the strength and the durability of the concrete are greatly influenced. In addition, when the temperature of the curing water is too low, the temperature difference between the inside and the outside of the concrete is easily caused to be too large, irregular visible or invisible cracks are easily generated, and the influence on the appearance and the strength of the concrete is large. Therefore, the invention provides a simple automatic constant-temperature maintenance rack for the secondary lining of the tunnel, which is very important to solve the problem of timely maintenance of the secondary lining concrete.
Disclosure of Invention
Aiming at the defects existing in the problems, the invention provides a simple automatic constant-temperature maintenance rack for a secondary lining of a tunnel, which aims to better maintain the secondary lining of the tunnel and ensure the quality of the concrete.
The invention designs a simple automatic constant-temperature maintenance rack with a tunnel secondary lining, which integrates a travelling device, a supporting device, a water supply device, a temperature control device, a time control device and a spraying device, wherein the spraying device is supported by the supporting device, the water supply device provides a water source of the spraying device, the temperature control device and the time control device control the water supply and the temperature of the water supply device, the travelling device is positioned at the bottom of the supporting device to realize the movement of the supporting device, the spraying device comprises an arc-shaped water pipe and a nozzle, the nozzle is arranged on the arc-shaped outer circle of the arc-shaped water pipe, the water supply device comprises a booster pump and a water pipe, the water pipe is connected with the high-pressure water pump and the arc-shaped water pipe, the temperature control device comprises an instant heating type thermostat, the water flow is arranged between the booster pump and the water pipe and heated to a certain temperature after passing through the thermostat, the temperature can be controlled by the instant heating type thermostat, the time control device comprises a timing plugboard, and the booster pump and the instant heating type thermostat are connected with the timing plugboard.
Preferably, one end of the water pipe is closed, and the other end is connected with the booster pump.
From this, the booster pump passes through the hose and links to each other with arc steel pipe, opens supply valve and booster pump, and rivers will spray in advance automatically and carry out the maintenance.
As the optimization of the invention, the arc-shaped water pipe is provided with a plurality of nozzles, the nozzles are arranged every 20-30 cm and are communicated with the arc-shaped water pipe, and the arc-shaped water pipe upwards forms a protruding arc-shaped structure.
Therefore, water flows into the arc-shaped steel water pipe after passing through the booster pump and the instant heating type thermostat, and is sprayed to the surface of the second lining through the nozzle, so that the automatic constant temperature maintenance effect is achieved.
Preferably, the walking device at least comprises four walking wheels, and the walking wheels are arranged at the bottom of the supporting device.
Preferably, the supporting device comprises a portal frame formed by a steel structure and a portal frame vertical rod for supporting the portal frame, the travelling wheels are installed at the lower part of the portal frame vertical rod through bolt connection, and the portal frame vertical rod is welded with a push-pull handrail.
Therefore, the rack can be easily moved through the handrails, the walking direction of the rack can be adjusted according to the condition in the hole, the traditional large maintenance rack is too heavy, a special walking track is required to be paved, and the space occupation is large, so that the construction is influenced.
Preferably, the upper part of the portal frame is provided with the arc-shaped water pipe.
Preferably, the timing socket automatically starts or closes the switch according to a set time interval.
Therefore, the timing plugboard can automatically start or close the switch according to the time interval set by actual conditions, so that the automatic maintenance time is controlled, and frequent operation of personnel is not needed.
As the preferable mode of the invention, the arc-shaped water pipe is made of galvanized steel pipes with the diameter of 40mm, one end of the arc-shaped water pipe is closed, the other end of the arc-shaped water pipe is communicated with the water pipe, and the section shape of the arc-shaped water pipe is 20cm smaller than the outline of the outer surface of the second lining.
Preferably, the door frame is formed by welding a light steel pipe with the diameter of 20mm, and the ventilation belt is positioned below the door frame.
Preferably, the water pipe is a rubber water pipe.
The invention has the following beneficial effects:
1. the traditional automatic walking rack has the disadvantages of more steel, heavy volume, difficult movement, motor driving during walking, difficult control of direction, easy deviation and influence on in-hole construction. The maintenance rack main body is formed by welding light steel pipes, the rollers and the push-pull handrails are arranged below the rack, the whole rack is simple and light, and people can easily push and walk.
2. The concrete curing is usually performed by cold water, particularly in winter, the water temperature is lower, when the cold water is poured on the surface of the newly-detached concrete, the surface temperature is obviously reduced more than the inside, so that a larger temperature gradient and temperature stress caused by the temperature gradient are generated, if the tensile strength of the concrete is insufficient to resist the stress of the temperature, irregular visible or invisible cracks are generated on the surface of the concrete, and the temperature controller is arranged on the water inlet pipe of the curing rack.
The technical scheme of the invention is further described in detail through the drawings and the embodiments.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic side view of the present invention;
in the figure, a 1-arc-shaped water pipe, a 2-nozzle, a 3-high pressure water pump, a 4-water pipe, a 5-instant heating type thermostat, a 6-travelling wheel, a 7-push-pull handrail, an 8-ventilation belt, a 9-portal and a 91-portal vertical rod.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 and 2, in this embodiment, a simple automatic constant temperature maintenance rack with two liners for a tunnel is integrated with a walking device, a supporting device, a water supply device, a temperature control device, a time control device and a spraying device, wherein the spraying device is supported by the supporting device, the water supply device provides a water source for the spraying device, the temperature control device and the time control device control the water supply and the temperature of the water supply device, the walking device is positioned at the bottom of the supporting device to realize the movement of the supporting device, the spraying device comprises an arc-shaped water pipe 1 and a nozzle 2, the nozzle 2 is arranged on the arc-shaped outer circle of the arc-shaped water pipe 1, the water supply device comprises a booster pump 3 and a water pipe 4, the water pipe 4 is connected with the high-pressure water pump 3 and the arc-shaped water pipe 1, the temperature control device comprises an instant heating type thermostat 5, the water flow is heated to a certain temperature after passing through the thermostat, the temperature can be controlled by the instant heating type thermostat, and the temperature can be regulated according to the actual conditions on site, and the time control device comprises a timing plug board 3 and the instant heating type thermostat 5 is connected with the booster pump.
In this embodiment, one end of the water pipe 4 is closed, the other end is connected with the booster pump 3, the booster pump is connected with an arc steel water pipe through a hose, a water supply valve and the booster pump are opened, water flow is sprayed in advance automatically for maintenance, a plurality of nozzles 2 are arranged on the arc water pipe 1, each nozzle 2 is arranged every 20-30 cm and is communicated with the arc water pipe 1, the arc water pipe 1 forms a convex arc structure upwards, water flows into the arc steel water pipe after passing through the booster pump and the instant heating type thermostat, is sprayed to the surface of a second lining through the nozzles, an automatic constant temperature maintenance effect is achieved, the traveling device at least comprises four traveling wheels 6, the traveling wheels 6 are arranged at the bottom of the supporting device, the supporting device comprises a portal 9 formed by a steel structure and a portal vertical rod 91 for supporting the portal, the traveling wheels 6 are installed at the lower part of the vertical rod 91 through bolt connection, the vertical post 91 of the door frame is welded with a push-pull handrail 7, the rack can be easily moved through the handrail 7, the running direction of the rack can be adjusted according to the condition in a hole, the traditional large maintenance rack is heavy, a special running track is required to be paved, the space occupation is large, the construction is influenced, the upper part of the door frame 9 is provided with the arc-shaped water pipe 1, the timing socket automatically starts or closes a switch according to a set time interval, the timing plug board can automatically start or close the switch according to the set time interval of actual conditions, thereby controlling the automatic maintenance time without frequent operation of personnel, the arc-shaped water pipe 1 is made of a galvanized steel pipe with the diameter of 40mm, one end is closed, the other end is communicated with the water pipe 4, the section shape of the arc-shaped water pipe 1 is 20cm smaller than the outline of the outer surface of a second lining, the door frame 9 is formed by welding a light steel pipe with the diameter of 20mm, the ventilation belt 8 is positioned below the door frame 9, and the water pipe 4 is a rubber water pipe.
Specifically, a simple and easy rack of automatic constant temperature maintenance of two liners in tunnel moves through the walking wheel, as shown in fig. 1, when needs remove the maintenance rack, only need control push-and-pull handrail and remove, link to each other with the rubber water pipe between high-pressure water pump, instant heating type thermostat and the arc steel water pipe, wherein the arc steel water pipe adopts phi 40mm galvanized steel pipe to make, one end is sealed, the other end links to each other with the rubber water pipe, the nozzle evenly arranges on the arc steel pipe every 20cm, steel water pipe section shape is less than two lining surface contour lines 20cm, the portal adopts phi 20mm light steel pipe welding to form, the ventilation area can directly pass through from the portal below, do not have the influence to normal ventilation.
The above examples are only illustrative of the preferred embodiments of the present invention and do not limit the spirit and scope of the present invention. Various modifications and improvements of the technical scheme of the present invention will fall within the protection scope of the present invention without departing from the design concept of the present invention, and the technical content of the present invention is fully described in the claims.
Claims (5)
1. The utility model provides a two lining automatic constant temperature maintenance simple and easy racks in tunnel which characterized in that: the water supply device is used for supplying water to the water supply device, the temperature control device and the time control device are used for controlling the water supply and the temperature of the water supply device, the running device is positioned at the bottom of the supporting device to realize the movement of the supporting device,
the spraying device comprises an arc-shaped water pipe (1) and a nozzle (2), the nozzle (2) is arranged on the arc-shaped outer circle of the arc-shaped water pipe (1),
the water supply device comprises a booster pump (3) and a water pipe (4), the water pipe (4) is connected with the booster pump (3) and the arc-shaped water pipe (1),
the temperature control device comprises an instant heating type thermostat (5), the instant heating type thermostat (5) is arranged between the booster pump (3) and the water pipe (4),
the time control device comprises a timing plugboard, and the booster pump (3) and the instant heating type thermostat (5) are connected to the timing plugboard;
the arc-shaped water pipes (1) are provided with a plurality of nozzles (2), the nozzles (2) are arranged at intervals of 20-30 cm and are communicated with the arc-shaped water pipes (1), and the arc-shaped water pipes (1) form a protruding arc-shaped structure upwards;
the walking device at least comprises four walking wheels (6), and the walking wheels (6) are arranged at the bottom of the supporting device;
the supporting device comprises a portal (9) formed by a steel structure and a portal vertical rod (91) for supporting the portal (9), the travelling wheel (6) is installed at the lower part of the portal vertical rod (91) through bolt connection, and a push-pull handrail (7) is welded on the portal vertical rod (91);
the upper part of the portal frame (9) is provided with the arc-shaped water pipe (1);
the timing plugboard automatically starts or closes the switch according to the set time interval.
2. The automatic constant temperature maintenance simple rack for tunnel double liners according to claim 1, characterized in that: one end of the water pipe (4) is closed, and the other end of the water pipe is connected with the booster pump (3).
3. The automatic constant temperature maintenance simple rack for tunnel double liners according to claim 1, characterized in that: the arc-shaped water pipe (1) is made of galvanized steel pipes with the diameter of 40mm, one end of the arc-shaped water pipe is closed, the other end of the arc-shaped water pipe is communicated with the water pipe (4), and the section shape of the arc-shaped water pipe (1) is 20cm smaller than the outline of the outer surface of the two liners.
4. The automatic constant temperature maintenance simple rack for tunnel double liners according to claim 1, characterized in that: the door frame (9) is formed by welding light steel pipes with the diameter of 20mm, and the ventilation belt (8) is positioned below the door frame (9).
5. The automatic constant temperature maintenance simple rack for tunnel double liners according to claim 1, characterized in that: the water pipe (4) is a rubber water pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910136227.1A CN109681241B (en) | 2019-02-25 | 2019-02-25 | Automatic constant temperature maintenance simple rack for tunnel two liners |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910136227.1A CN109681241B (en) | 2019-02-25 | 2019-02-25 | Automatic constant temperature maintenance simple rack for tunnel two liners |
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| Publication Number | Publication Date |
|---|---|
| CN109681241A CN109681241A (en) | 2019-04-26 |
| CN109681241B true CN109681241B (en) | 2024-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910136227.1A Active CN109681241B (en) | 2019-02-25 | 2019-02-25 | Automatic constant temperature maintenance simple rack for tunnel two liners |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110344847B (en) * | 2019-06-25 | 2020-10-02 | 东华理工大学 | Automatic constant-temperature maintenance simple rack for tunnel secondary lining |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19990075283A (en) * | 1998-03-18 | 1999-10-15 | 이정국 | Automatic sprinkling system for curing concrete in tunnel and its control method |
| CN108798754A (en) * | 2018-07-30 | 2018-11-13 | 洛阳高飞桥隧机械有限公司 | A kind of operating method of the tunnel maintenance dedusting trolley of constant temperature and humidity |
| CN208534530U (en) * | 2018-08-03 | 2019-02-22 | 中铁建大桥工程局集团第五工程有限公司 | A kind of tunnel automatic spraying device |
| CN210049904U (en) * | 2019-02-25 | 2020-02-11 | 中铁十六局集团第三工程有限公司 | Automatic constant-temperature maintenance simple rack for tunnel secondary lining |
-
2019
- 2019-02-25 CN CN201910136227.1A patent/CN109681241B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19990075283A (en) * | 1998-03-18 | 1999-10-15 | 이정국 | Automatic sprinkling system for curing concrete in tunnel and its control method |
| CN108798754A (en) * | 2018-07-30 | 2018-11-13 | 洛阳高飞桥隧机械有限公司 | A kind of operating method of the tunnel maintenance dedusting trolley of constant temperature and humidity |
| CN208534530U (en) * | 2018-08-03 | 2019-02-22 | 中铁建大桥工程局集团第五工程有限公司 | A kind of tunnel automatic spraying device |
| CN210049904U (en) * | 2019-02-25 | 2020-02-11 | 中铁十六局集团第三工程有限公司 | Automatic constant-temperature maintenance simple rack for tunnel secondary lining |
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| CN109681241A (en) | 2019-04-26 |
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