CN113135774A - Tunnel concrete curing equipment and operation method thereof - Google Patents
Tunnel concrete curing equipment and operation method thereof Download PDFInfo
- Publication number
- CN113135774A CN113135774A CN202010062555.4A CN202010062555A CN113135774A CN 113135774 A CN113135774 A CN 113135774A CN 202010062555 A CN202010062555 A CN 202010062555A CN 113135774 A CN113135774 A CN 113135774A
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- concrete curing
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- 238000000034 method Methods 0.000 title claims abstract description 15
- 239000007921 spray Substances 0.000 claims abstract description 92
- 238000003860 storage Methods 0.000 claims abstract description 45
- 239000007788 liquid Substances 0.000 claims description 71
- 238000012423 maintenance Methods 0.000 claims description 43
- 238000001514 detection method Methods 0.000 claims description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 238000005406 washing Methods 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 3
- 230000008014 freezing Effects 0.000 claims description 3
- 238000007710 freezing Methods 0.000 claims description 3
- 239000010802 sludge Substances 0.000 abstract description 3
- 238000001723 curing Methods 0.000 description 67
- 238000010276 construction Methods 0.000 description 10
- 238000005507 spraying Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 235000015097 nutrients Nutrition 0.000 description 2
- 230000005574 cross-species transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/02—Selection of the hardening environment
- C04B40/0277—Hardening promoted by using additional water, e.g. by spraying water on the green concrete element
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention provides tunnel concrete curing equipment and an operation method thereof, wherein the tunnel concrete curing equipment comprises a base, a storage tank arranged at the left end of the base, a pressure pump connected with the storage tank, and an arc-shaped pipeline arranged above the storage tank and connected with the pressure pump, wherein a plurality of first spray nozzles are uniformly distributed on the arc-shaped pipeline, a spray gun connected with the pressure pump is arranged at the right end of the base, and a second spray nozzle and a third spray nozzle connected with the pressure pump are respectively arranged at two sides of the spray gun. The tunnel concrete curing equipment comprises the arc-shaped pipeline with the first spray heads, the tunnel arch-shaped surface can be cured through the arc-shaped pipeline, the second spray heads and the third spray heads on the two sides of the spray gun can realize the ground level curing of the tunnel, the spray gun can wash the tunnel arch-shaped surface and sludge on the ground level of the tunnel, the equipment is comprehensive in function, the multi-directional curing of the tunnel can be realized, and the efficiency is high.
Description
Technical Field
The invention relates to the technical field of concrete curing, in particular to tunnel concrete curing equipment and an operation method thereof.
Background
At present, in the tunnel engineering industry, after concrete is poured, gap water spraying is needed for maintenance, and the traditional maintenance means is that water pipes are manually pulled for spraying. Or paving water pipes and drilling holes on the water pipes in sections to realize maintenance and spray maintenance.
Above-mentioned scheme need lay the steelframe in narrow and small operation environment, the track, connect the water pipe, process such as laying cable junction power, there is the installation complicacy, wiring stringing difficulty, the operation flow is numerous and diverse, consume a large amount of manual works, there are a great deal of problems such as potential safety hazard, and because various tunnel size variation, the equipment that above scheme was produced can only be suitable for single type's tunnel building site, can't realize the secondary use of different grade type tunnel construction, cause very big waste, this type of equipment can only be installed at the job site simultaneously, can't shift out the job site during the maintenance interval, occupy effective construction position.
Therefore, the prior art is still to be improved.
Disclosure of Invention
In view of the defects of the prior art, the invention aims to provide tunnel concrete curing equipment and an operation method thereof, and aims to solve the technical problems that the existing tunnel concrete curing method is inconvenient in pipeline arrangement and not strong in adaptability.
The technical scheme of the invention is as follows:
the utility model provides a tunnel concrete curing equipment, wherein, includes the base, sets up the holding vessel of base left end, with the force pump that the holding vessel links to each other, set up in the holding vessel top and with the arc pipeline that the force pump links to each other, evenly distributed is provided with a plurality of first shower nozzles on the arc pipeline, the base right-hand member be provided with the spray gun that the force pump links to each other, the spray gun both sides be provided with respectively with second shower nozzle and the third shower nozzle that the force pump links to each other.
The tunnel concrete curing equipment, wherein, arc pipeline with be provided with first control valve between the force pump, the second shower nozzle with be provided with the second control valve between the force pump, the third shower nozzle with be provided with the third control valve between the force pump, the spray gun with be provided with the fourth control valve between the force pump.
The tunnel concrete curing equipment is characterized in that a generator and an operating platform are further arranged on the base.
The tunnel concrete curing equipment, wherein, be provided with temperature-detecting device and liquid level detection device on the holding vessel.
The tunnel concrete curing equipment is characterized in that a curing liquid filling pipeline and a curing liquid discharging pipeline are arranged on the storage tank.
The tunnel concrete curing equipment is characterized in that the first nozzle, the second nozzle and the third nozzle are all universal joint nozzles.
The tunnel concrete curing equipment is characterized in that a plurality of hanging rings are arranged on the periphery of the base.
The tunnel concrete curing equipment is characterized in that a traveling device is arranged below the base.
An operation method of tunnel concrete curing equipment, which comprises the following steps:
maintaining the arch profile of the tunnel: the operating platform controls and starts the pressure pump, a first control valve between the arc-shaped pipeline and the pressure pump is opened, the maintenance liquid in the storage tank is pressurized and conveyed to the arc-shaped pipeline through the pressure pump, and the maintenance liquid is sprayed to the tunnel arch profile through a first spray head;
maintaining a ground plane: the operating platform controls and starts the pressure pump, a second control valve between the second spray head and the pressure pump and a third control valve between the third spray head and the pressure pump are started, the maintenance liquid in the storage tank is pressurized and conveyed to the second spray head and the third spray head through the pressure pump, and the maintenance liquid is sprayed to the ground plane through the second spray head and the third spray head;
washing the tunnel arch profile and the ground level: and the operating platform controls and starts the pressure pump, a fourth control valve between the spray gun and the pressure pump is started, water in the storage tank is pressurized and conveyed to the spray gun through the pressure pump, and the tunnel arch profile and the ground level are washed through the spray gun.
The operation method of the tunnel concrete curing equipment further comprises the following steps:
when the temperature detection device detects that the temperature of the curing liquid in the storage tank reaches the freezing temperature, the temperature detection device sends a low-temperature signal to the operation console, and the operation console sends a low-temperature alarm;
when the liquid level detection device detects that the maintenance liquid in the storage tank reaches the lowest liquid level, the liquid level detection device sends a low liquid level signal to the operation platform, and the operation platform sends out a low liquid level alarm.
Has the advantages that: the invention provides tunnel concrete curing equipment and an operation method thereof, wherein the tunnel concrete curing equipment comprises a base, a storage tank arranged at the left end of the base, a pressure pump connected with the storage tank, and an arc-shaped pipeline arranged above the storage tank and connected with the pressure pump, wherein a plurality of first spray nozzles are uniformly distributed on the arc-shaped pipeline, a spray gun connected with the pressure pump is arranged at the right end of the base, and a second spray nozzle and a third spray nozzle connected with the pressure pump are respectively arranged at two sides of the spray gun. The tunnel concrete curing equipment comprises the arc-shaped pipeline with the first spray heads, the tunnel arch-shaped surface can be cured through the arc-shaped pipeline, the second spray heads and the third spray heads on the two sides of the spray gun can realize the ground level curing of the tunnel, the spray gun can wash the tunnel arch-shaped surface and sludge on the ground level of the tunnel, the equipment is comprehensive in function, the multi-directional curing of the tunnel can be realized, and the efficiency is high.
Drawings
FIG. 1 is a right side view of a tunnel concrete curing apparatus of the present invention;
FIG. 2 is a top view of a tunnel concrete curing apparatus of the present invention;
fig. 3 is a rear view of a tunnel concrete curing apparatus of the present invention.
Reference numbers in the drawings:
10-a base; 20-a storage tank; 30-a pressure pump; 40-an arc-shaped pipeline; 50-a first spray head; 60-a spray gun; 70-a second spray head; 80-a third spray head; 90-a first control valve; 100-a second control valve; 110-a third control valve; 120-a fourth control valve; 130-a generator; 140-an operation table; 150-temperature detection means; 160-liquid level detection means; 170-maintenance liquid filling pipe; 180-a maintenance liquid discharge conduit; 190-lifting rings.
Detailed Description
The invention provides tunnel concrete curing equipment and an operation method thereof, and the invention is further described in detail below in order to make the purpose, technical scheme and effect of the invention clearer and clearer. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1, 2 and 3, the present invention provides a tunnel concrete curing apparatus, which includes a base 10 (the base and each component are connected by welding, riveting, hinge, etc.), a storage tank 20 disposed at the left end of the base 10 (the storage tank 20 is a hollow tank, the top of the storage tank is left open for pressure discharge and maintenance, the storage tank 20 is used for storing concrete curing liquid or water, the storage tank is designed in a square, circular, oval, polygonal, etc.), a pressure pump 30 connected to the storage tank (the pressure pump 30 may be disposed inside or outside the storage tank, when disposed outside, the pressure pump 30 is disposed on the base 10 at the right side of the storage tank 20), an arc pipe 40 disposed above the storage tank 20 and connected to the pressure pump 30 (the arc pipe 40 is specifically connected to the pressure pump 30 through a delivery pipe at one end, the arc pipe may be a hard pipe, the hose can also be adopted, when adopting the hose, the arc center angle of arc pipeline can be adjusted, can satisfy the requirement of different tunnel radians), evenly distributed is provided with a plurality of first shower nozzles 50 on the arc pipeline 40 (be promptly the arc pipeline 40 on the equal interval setting between the first shower nozzle 50, every first shower nozzle 50 orientation all can be adjusted, a condition is that the orientation between two adjacent first shower nozzles 50 is opposite), base 10 right-hand member be provided with the spray gun 60 that the force pump 30 links to each other, spray gun 60 both sides be provided with respectively with second shower nozzle 70 and the third shower nozzle 80 that the force pump 30 links to each other. The tunnel concrete curing equipment has multiple functions, has the functions of curing, standby water storage, road surface cleaning, dust prevention, spraying and the like, is small in size and convenient to construct, can be allocated to each construction site according to an engineering plan, realizes continuous curing operation of different construction sections, can be withdrawn from the construction site at any time in a curing interval period according to site construction requirements, and saves the construction site.
Referring to fig. 1, in a preferred embodiment, a first control valve 90 is disposed between the arc-shaped pipe 40 and the pressure pump 30, a second control valve 100 is disposed between the second spray head 70 and the pressure pump 30, a third control valve 110 is disposed between the third spray head 80 and the pressure pump 30, and a fourth control valve 120 is disposed between the spray gun 60 and the pressure pump 30. Specifically, the first, second, third, and fourth control valves 90, 100, 110, and 120 may each employ a manual valve or a solenoid valve.
Referring to fig. 2, in a preferred embodiment, a generator 130 (for providing power to the whole concrete curing equipment) and an operation console 140 (for controlling the operation of the whole concrete curing equipment, including a PLC controller, a touch screen, a speaker, etc.) are further disposed on the base 10, a human-computer interface is disposed on the touch screen, and various operation parameters of the concrete curing equipment can be set on the human-computer interface. In the embodiment, after the power generator is started, the pressure pump, the control valve and the spray head are opened through the operating platform, and the curing liquid in the storage tank is pressurized and conveyed through the pressure pump and sprayed to the concrete curing surface through the spray head.
Referring to fig. 1, in a preferred embodiment, the storage tank 20 is provided with a temperature detection device 150 and a liquid level detection device 160. Temperature-detecting device 150 includes temperature sensor, temperature sensor mainly used detects the temperature of the maintenance liquid in the bin, report to the police when maintenance liquid temperature is low excessively, thereby it freezes to place maintenance liquid, certainly, it is supporting, still be provided with heating device in the bin, be used for when maintenance liquid temperature is less than predetermineeing the temperature, heat maintenance liquid, improve maintenance liquid temperature, liquid level detection device 160 includes level sensor and lower level sensor, it prevents maintenance liquid too much to spill over when being used for pouring into maintenance liquid to go up level sensor, lower level sensor then is used for placing maintenance liquid too little and leads to the force pump to take out the damage futilely.
Referring to fig. 1, in a preferred embodiment, a nutrient filling pipe 170 and a nutrient discharging pipe 180 are provided on the storage tank 20. It is specific, insert the holding vessel after buckling into the arc on the upper portion of maintenance liquid filling pipeline 170, this kind of interpolation mode maintenance liquid can effectually prevent the impact of maintenance liquid to the holding vessel inner wall by the interpolation mode, maintenance liquid adds from top to bottom simultaneously, need not to overcome the pressure of upper maintenance liquid, maintenance liquid joining speed is fast, maintenance liquid discharge tube 180 sets up the bottom at holding vessel 20, thereby make things convenient for maintenance liquid to discharge from holding vessel 20 in, still be provided with open-top on the holding vessel 20, open-top's effect lies in the inside of the maintenance person of being convenient for to the holding vessel and clears up.
In a preferred embodiment, the first spray head 50, the second spray head 70, and the third spray head 80 are all gimbal spray heads. The universal joint shower nozzle is including rotatable nozzle (turned angle is 0-180) and universal joint mechanism, and the injection direction of nozzle can be adjusted, and the nozzle can have wider injection scope like this to avoid spraying the dead angle as far as, realize better maintenance liquid and spray the effect.
Referring to fig. 1, in a preferred embodiment, a plurality of lifting rings 190 are disposed around the base. The base is used for supporting and connecting each part, and rings are installed on the base for equipment hoist and mount removes, and rings are provided with 4, set up respectively in four corners of base, and of course, rings can design for the hole, collude forms such as, post, and concrete design can select according to actual need.
In a preferred embodiment, a walking device is arranged below the base. In one case, the traveling device may be a transport vehicle, that is, the tunnel concrete curing equipment of the present invention may be mounted on the transport vehicle, and the movement of the equipment is realized by the transport vehicle, and in another case, the traveling device may include a guide rail and pulleys, the pulleys are rotatably connected with the base, the pulleys are disposed on the guide rail, the guide rail is provided with 2, and the pulleys may be specifically driven by the driving motor.
The design principle of the tunnel concrete curing equipment is that curing liquid, water and electricity required by concrete curing are concentrated on one equipment, no additional water distribution pipe and power connection are needed, a plurality of groups of pressure adjustable spray heads are adopted, pressure is adjusted according to tunnel sizes of different types, the concrete curing universality of tunnels of different sizes is realized, the volume is small and the movement is convenient, the tunnel concrete curing equipment can be directly moved out of a construction site during curing intervals, the construction site is saved, and the tunnel concrete curing equipment is diversified in function, not only can be used as tunnel concrete curing equipment, but also can be used as equipment for cleaning a road surface, spraying dust removal, standby water sources of the construction site and the like. Fifthly, the intelligent operation saves labor, can be completed by only one person, and has good application scene.
In addition, the operation method of the tunnel concrete curing equipment comprises the following steps:
adding a curing liquid: starting a generator, when curing liquid is injected into the storage tank from the curing liquid filling pipe to a preset capacity, sending a high liquid level signal to an operation platform by the liquid level detection device, and controlling to close a valve at the filling pipe by the operation platform to finish the filling of the curing liquid;
maintaining the arch profile of the tunnel: the operating platform controls and starts the pressure pump, a first control valve between the arc-shaped pipeline and the pressure pump is opened, the maintenance liquid in the storage tank is pressurized and conveyed to the arc-shaped pipeline through the pressure pump, and the maintenance liquid is sprayed to the tunnel arch profile through a first spray head;
maintaining a ground plane: the operating platform controls and starts the pressure pump, a second control valve between the second spray head and the pressure pump and a third control valve between the third spray head and the pressure pump are started, the maintenance liquid in the storage tank is pressurized and conveyed to the second spray head and the third spray head through the pressure pump, and the maintenance liquid is sprayed to the ground plane through the second spray head and the third spray head;
washing the tunnel arch profile and the ground level: and the operating platform controls and starts the pressure pump, a fourth control valve between the spray gun and the pressure pump is started, water in the storage tank is pressurized and conveyed to the spray gun through the pressure pump, and the tunnel arch profile and the ground level are washed through the spray gun.
The tunnel concrete curing equipment adopts the generator to supply power for the system, the pressure pump provides pressure for the spray heads, the corresponding pressure pump is selected to adjust the gear according to the size of the curing operation surface and the requirement of spraying density during actual operation, the arc-shaped pipeline is arranged above the storage tank, the arc-shaped pipeline is provided with a plurality of first spray heads for curing the arch-shaped surface of the operation tunnel, each spray nozzle is designed in a universal joint mode, the independent angle adjustment can be carried out according to the inclination of the arch-shaped curing surface, the right end of the storage tank is provided with a second spray head for ground curing of the operation, the spray gun is arranged on a base on the right side of the storage tank and is used for washing the curing surface, the tunnel concrete curing equipment has the multi-spray head three-dimensional curing function, the curing surface is fully covered by synchronously spraying in five directions, namely up, down, left and right, the applicability is wide, and the adjustable pressure structure is suitable for the operation surfaces with different sizes, has better tunnel maintenance effect.
In a specific embodiment, the operation method of the tunnel concrete curing equipment further comprises the following steps:
when the temperature detection device detects that the temperature of the curing liquid in the storage tank reaches the freezing temperature, the temperature detection device sends a low-temperature signal to the operation console, and the operation console sends a low-temperature alarm;
when the liquid level detection device detects that the maintenance liquid in the storage tank reaches the lowest liquid level, the liquid level detection device sends a low liquid level signal to the operation platform, and the operation platform sends out a low liquid level alarm.
In summary, the tunnel concrete curing equipment and the operation method thereof provided by the invention comprise a base, a storage tank arranged at the left end of the base, a pressure pump connected with the storage tank, and an arc-shaped pipeline arranged above the storage tank and connected with the pressure pump, wherein a plurality of first spray nozzles are uniformly distributed on the arc-shaped pipeline, a spray gun connected with the pressure pump is arranged at the right end of the base, and a second spray nozzle and a third spray nozzle connected with the pressure pump are respectively arranged at two sides of the spray gun. The tunnel concrete curing equipment comprises the arc-shaped pipeline with the first spray heads, the tunnel arch-shaped surface can be cured through the arc-shaped pipeline, the second spray heads and the third spray heads on the two sides of the spray gun can realize the ground level curing of the tunnel, the spray gun can wash the tunnel arch-shaped surface and sludge on the ground level of the tunnel, the equipment is comprehensive in function, the multi-directional curing of the tunnel can be realized, and the efficiency is high.
It is to be understood that the invention is not limited to the examples described above, but that modifications and variations may be effected thereto by those of ordinary skill in the art in light of the foregoing description, and that all such modifications and variations are intended to be within the scope of the invention as defined by the appended claims.
Claims (10)
1. The utility model provides a tunnel concrete curing equipment, its characterized in that, includes the base, sets up the holding vessel of base left end, with the force pump that the holding vessel links to each other, set up in the holding vessel top and with the arc pipeline that the force pump links to each other, evenly distributed is provided with a plurality of first shower nozzles on the arc pipeline, the base right-hand member be provided with the spray gun that the force pump links to each other, the spray gun both sides be provided with respectively with second shower nozzle and the third shower nozzle that the force pump links to each other.
2. The tunnel concrete curing apparatus of claim 1, wherein a first control valve is disposed between the arc-shaped pipe and the pressure pump, a second control valve is disposed between the second nozzle and the pressure pump, a third control valve is disposed between the third nozzle and the pressure pump, and a fourth control valve is disposed between the spray gun and the pressure pump.
3. The tunnel concrete curing apparatus of claim 1, wherein a generator and an operating floor are further provided on the base.
4. The tunnel concrete curing apparatus of claim 1, wherein a temperature detection device and a liquid level detection device are provided on the storage tank.
5. The tunnel concrete curing apparatus of claim 1, wherein the storage tank is provided with a curing liquid filling pipe and a curing liquid discharging pipe.
6. The tunnel concrete curing apparatus of claim 1, wherein the first, second, and third spray heads are all gimbal spray heads.
7. The tunnel concrete curing apparatus of claim 1, wherein a plurality of lifting rings are arranged around the base.
8. The tunnel concrete curing apparatus of claim 1, wherein a traveling device is provided below the base.
9. An operation method of tunnel concrete curing equipment is characterized by comprising the following steps:
maintaining the arch profile of the tunnel: the operating platform controls and starts the pressure pump, a first control valve between the arc-shaped pipeline and the pressure pump is opened, the maintenance liquid in the storage tank is pressurized and conveyed to the arc-shaped pipeline through the pressure pump, and the maintenance liquid is sprayed to the tunnel arch profile through a first spray head;
maintaining a ground plane: the operating platform controls and starts the pressure pump, a second control valve between the second spray head and the pressure pump and a third control valve between the third spray head and the pressure pump are started, the maintenance liquid in the storage tank is pressurized and conveyed to the second spray head and the third spray head through the pressure pump, and the maintenance liquid is sprayed to the ground plane through the second spray head and the third spray head;
washing the tunnel arch profile and the ground level: and the operating platform controls and starts the pressure pump, a fourth control valve between the spray gun and the pressure pump is started, water in the storage tank is pressurized and conveyed to the spray gun through the pressure pump, and the tunnel arch profile and the ground level are washed through the spray gun.
10. The method of operating tunnel concrete curing equipment of claim 9, further comprising the steps of:
when the temperature detection device detects that the temperature of the curing liquid in the storage tank reaches the freezing temperature, the temperature detection device sends a low-temperature signal to the operation console, and the operation console sends a low-temperature alarm;
when the liquid level detection device detects that the maintenance liquid in the storage tank reaches the lowest liquid level, the liquid level detection device sends a low liquid level signal to the operation platform, and the operation platform sends out a low liquid level alarm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010062555.4A CN113135774A (en) | 2020-01-19 | 2020-01-19 | Tunnel concrete curing equipment and operation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010062555.4A CN113135774A (en) | 2020-01-19 | 2020-01-19 | Tunnel concrete curing equipment and operation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN113135774A true CN113135774A (en) | 2021-07-20 |
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ID=76809911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010062555.4A Pending CN113135774A (en) | 2020-01-19 | 2020-01-19 | Tunnel concrete curing equipment and operation method thereof |
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| Country | Link |
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| CN (1) | CN113135774A (en) |
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| CN202611713U (en) * | 2012-04-09 | 2012-12-19 | 中铁二十一局集团第三工程有限公司 | Second liner conservation dust removing construction trolley for tunnel |
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| CN205277442U (en) * | 2015-12-24 | 2016-06-01 | 中铁六局集团有限公司 | A movable automatic spraying system for tunnel concrete maintenance |
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| CN110453630A (en) * | 2019-09-06 | 2019-11-15 | 中铁二院工程集团有限责任公司 | Rail mounted automatic flushing device for deep layer tunnel |
| CN209838438U (en) * | 2019-05-05 | 2019-12-24 | 洛阳高飞桥隧机械有限公司 | Tunnel wall cleaning and maintaining trolley device after tunnel concrete lining |
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2020
- 2020-01-19 CN CN202010062555.4A patent/CN113135774A/en active Pending
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| CN202611713U (en) * | 2012-04-09 | 2012-12-19 | 中铁二十一局集团第三工程有限公司 | Second liner conservation dust removing construction trolley for tunnel |
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| CN205591932U (en) * | 2016-01-11 | 2016-09-21 | 杜高兵 | Full -automatic highway, railway ditch cable duct lining cutting platform truck |
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Application publication date: 20210720 |