CN108894798B - Portable two lining concrete curing means - Google Patents
Portable two lining concrete curing means Download PDFInfo
- Publication number
- CN108894798B CN108894798B CN201811115897.7A CN201811115897A CN108894798B CN 108894798 B CN108894798 B CN 108894798B CN 201811115897 A CN201811115897 A CN 201811115897A CN 108894798 B CN108894798 B CN 108894798B
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- arc
- auxiliary
- shaped
- fixing seat
- maintenance
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- 238000012423 maintenance Methods 0.000 claims abstract description 43
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 31
- 239000003595 mist Substances 0.000 claims abstract description 8
- 239000007921 spray Substances 0.000 claims abstract description 8
- 238000003466 welding Methods 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 3
- 239000000779 smoke Substances 0.000 description 4
- 238000005507 spraying Methods 0.000 description 3
- 238000007605 air drying Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000002028 premature Effects 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Landscapes
- 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 discloses a movable secondary lining concrete curing device which comprises a curing trolley and an arc-shaped bracket arranged on the curing trolley, wherein a plurality of water mist spray heads are uniformly arranged at intervals along the outer side of the arc-shaped bracket, and the water mist spray heads are connected to arc-shaped pipelines arranged along the arc-shaped bracket. The device has the advantages of simple structure, stability, reliability and strong operability; the construction method is simple to operate, high in speed and remarkable in maintenance effect; the safety risk of high-altitude operation is avoided, and the safety guarantee is greatly improved; the labor participation degree is reduced, and the construction cost is greatly saved.
Description
Technical Field
The invention belongs to the technical field of tunnel engineering construction, and particularly relates to a movable secondary lining concrete curing device.
Background
Besides meeting the requirement of settlement deformation, the secondary lining concrete of the tunnel also bears wind pressure generated in the running process of the vehicle, ensures that the surface of the secondary lining is not blocked, endangers running safety, and places higher requirements on maintenance of the secondary lining concrete. After secondary lining concrete is poured, if the weather is hot, air drying is carried out, curing is not carried out in time, moisture evaporates too fast, and the concrete is dehydrated, so that the formed cement particles of the cementing body cannot be fully hydrated, stable structural crystals cannot be formed, and enough cohesive force is lacked, so that flaky or split charging falling-off occurs on the surface of the concrete. The premature evaporation of water also causes the concrete to have larger shrinkage deformation, and dry shrinkage cracks appear, which affects the durability of the secondary lining concrete.
At present, most of tunnel secondary lining concrete curing in China adopts manual watering curing. The manual watering maintenance mode has the following defects: 1. places (such as vaults) where water sprinkling and maintenance cannot be performed frequently occur; 2. the conditions of insufficient maintenance time and insufficient sprinkling amount often occur; 3. manual watering maintenance is often affected by the subjective quality of the operator (e.g., level of operation, responsibility, etc.). 4. The operation danger at the high position of the bench is high, and the potential safety hazard is high; 5. the labor cost is high and the economical efficiency is poor.
Disclosure of Invention
The invention aims at: aiming at the problems in the prior art, the movable secondary lining concrete curing device is simple in structure, stable and reliable and strong in operability.
The technical scheme of the invention is realized as follows: the utility model provides a portable two lining concrete curing means, curing means includes the maintenance shallow to and install the arc support on the maintenance shallow, evenly spaced is provided with a plurality of water smoke shower nozzles along the arc support outside, water smoke shower nozzle is all connected on the arc pipeline of arranging along the arc support.
The movable secondary lining concrete curing device is characterized in that a high-pressure water pipe is longitudinally distributed along a tunnel, and a connecting valve is arranged on the high-pressure water pipe; the bottom of the arbitrary side of arc pipeline is provided with the connecting pipe, the connecting pipe can be connected to high-pressure water pipe.
The invention relates to a movable secondary lining concrete curing device, wherein an arc-shaped bracket is formed by welding a plurality of vertical beams, cross beams and inclined support beams.
According to the movable secondary lining concrete curing device, the arc-shaped support is provided with the portal-shaped fixing cavity.
The invention relates to a movable secondary lining concrete curing device, which is characterized in that a curing trolley is of a door-shaped structure and comprises a main cross beam, a main longitudinal beam and a main vertical beam, and is formed by welding round steel pipes.
According to the movable secondary lining concrete curing device, the rollers are arranged at the bottom ends of the main vertical beams of the curing trolley, and the rollers are universal wheels.
According to the movable secondary lining concrete curing device, the two sides of the curing trolley are correspondingly provided with the auxiliary vertical beams, the auxiliary vertical beams are higher than the main beam, the auxiliary beams are connected between the tops of the corresponding auxiliary vertical beams, and the auxiliary beams form a step-shaped gradually-increasing shape from front to back.
According to the movable secondary lining concrete curing device, the top beam of the door-shaped fixing cavity is provided with the top fixing seat, the side beam of the fixing cavity is provided with the side fixing seat, and the arc-shaped bracket is fixed on the curing trolley through the top fixing seat and the side fixing seat; the top fixing seat is supported on the auxiliary cross beam, and the side end fixing seat is supported on the auxiliary vertical beam.
According to the movable secondary lining concrete curing device, the top fixing seat is provided with the downward top groove, so that the top fixing seat can be clamped onto the auxiliary cross beam from the top; the side end fixing seat is provided with an inward side groove, and the side groove can be sleeved on the auxiliary vertical beam from the top of the auxiliary vertical beam and can slide up and down along the auxiliary vertical beam.
According to the movable secondary lining concrete curing device, the auxiliary vertical beams are vertically and uniformly provided with a plurality of pin holes at intervals, and the pin holes are used for inserting pins and locking the positions of the side end fixing seats.
The beneficial effects of the invention are as follows: the provided movable secondary lining concrete curing device has the advantages of simple structure, stability, reliability and strong operability; the construction method is simple to operate, high in speed and remarkable in maintenance effect; the safety risk of high-altitude operation is avoided, and the safety guarantee is greatly improved; the labor participation degree is reduced, and the construction cost is greatly saved.
Drawings
FIG. 1 is an overall schematic view of a curing apparatus of the present invention;
FIG. 2 is a view showing the connection state of the arc-shaped bracket and the arc-shaped pipeline according to the invention;
FIG. 3 is a front view of the maintenance cart of the present invention;
FIG. 4 is a side view of the maintenance cart of the present invention;
FIG. 5 is a cross-sectional view of the top mount of the present invention supported on an auxiliary beam;
FIG. 6 is a front view of the side mount of the present invention supported on an auxiliary vertical beam;
FIG. 7 is a side view of the side mount of the present invention supported on an auxiliary vertical beam;
FIG. 8 is a top view of the side mount of the present invention supported on an auxiliary vertical beam;
FIG. 9 is a schematic view of a two-stage arcuate pipeline according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present technology will be described in further detail with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
As shown in the figure, the portable two lining concrete curing means, curing means includes maintenance shallow 1 to and install arc support 2 on maintenance shallow 1, be provided with a plurality of water smoke shower nozzles 3 along arc support 2 outside even interval, water smoke shower nozzle 3 all connects on the arc pipeline 4 of arranging along arc support 2.
A high-pressure water pipe 5 is longitudinally distributed along the tunnel, and a connecting valve 51 is arranged on the high-pressure water pipe 5; the bottom end of either side of the arc-shaped pipeline 4 is provided with a connecting pipe 41, and the connecting pipe 41 can be connected to the high-pressure water pipe 5.
The arc-shaped bracket 2 is formed by welding a plurality of vertical beams 21, transverse beams 22 and inclined supporting beams 23.
The arc-shaped bracket 2 is provided with a door-shaped fixing cavity 24. Can be mounted to the maintenance trolley 1 by means of a portal-shaped fixing cavity 24.
The maintenance cart 1 is of a door-shaped structure and comprises a main cross beam 11, a main longitudinal beam 12 and a main vertical beam 13, and is formed by welding round steel pipes. The maintenance shallow 1's main vertical beam 13 bottom is provided with gyro wheel 131, just gyro wheel 131 is the universal wheel. The maintenance cart 1 is designed into a door-shaped structure, and has the functions of firstly facilitating the installation of the arc-shaped support 2, secondly, when the whole maintenance device is in a normal working state in a tunnel, the maintenance cart can basically cover most of the area of the whole cross section of the tunnel, so that the maintenance cart is designed into the door-shaped structure, and other related workers and medium-sized or small-sized equipment can freely pass through the maintenance cart conveniently, so that blocking is avoided, and negative effects are caused. The roller 131 is designed as a universal wheel, so that the maintenance device can be normally pushed when working, and if the maintenance device needs to be pushed out of the tunnel after the maintenance is finished, the maintenance device can be adjusted to the direction along the tunnel through the universal wheel, so that the maintenance device is more convenient to push, and meanwhile, the maintenance device can also work, and after the adjustment, a passing space is reserved for large equipment. Because, in particular for the maintenance trolley 1, in the tunnel operating condition, the transverse width is much greater than the longitudinal width.
A plurality of auxiliary vertical beams 14 are correspondingly arranged on two sides of the maintenance cart 1, the auxiliary vertical beams 14 are higher than the main beam 11, an auxiliary beam 15 is connected between the tops of the corresponding auxiliary vertical beams 14, and the auxiliary beams 15 gradually increase from front to back in a stepped manner. The main purpose of the design is that supports with different heights are formed on the arc-shaped support 2, and the auxiliary cross beam 15 with which height the arc-shaped support 2 is installed on can be selected according to tunnels with different heights, so that the aim of best spraying maintenance is achieved.
The arc-shaped bracket 2 is specifically installed in such a way that a top fixing seat 6 is arranged on a top beam of a door-shaped fixing cavity 24, a side beam of the fixing cavity 24 is provided with a side end fixing seat 7, and the arc-shaped bracket 2 is fixed on the maintenance trolley 1 through the top fixing seat 6 and the side end fixing seat 7; the top fixing seat 6 is supported on the auxiliary cross beam 15, and the side end fixing seat 7 is supported on the auxiliary vertical beam 14.
The top fixing seat 6 is provided with a downward top groove 61 which can be clamped on the auxiliary cross beam 15 from the top; the side end fixing base 7 is provided with an inward side groove 71, and the side groove 71 can be sleeved on the auxiliary vertical beam 14 from the top of the auxiliary vertical beam 14 and can slide up and down along the auxiliary vertical beam 14.
The auxiliary vertical beam 14 is vertically and uniformly provided with a plurality of pin holes 141 at intervals for inserting the pins 8 and locking the position of the side end fixing seat 7.
The arc-shaped pipeline 4 is made of metal, is of a two-section structure, is a single-side pipeline 42 and a single-side pipeline 43 respectively, is connected together at the top end through a hinge 44, and is provided with connecting pipes 41 at the bottom ends of the two sections of arc-shaped pipelines, so that water is supplied simultaneously respectively.
In the invention, the outer side of the arc-shaped bracket 2 is arc-shaped and is adapted to the radian of the arc-shaped pipeline 4, and the height position is adjusted by adopting an up-down telescopic device; the lower end of the portal frame 5 is provided with 4 pulleys 1 and walks through a power device 4; and the auxiliary cross beams 15 at different heights are matched to achieve the purpose of adjustable height, so that the maintenance device has wider adaptability to construction sites and can be suitable for tunnels at different heights. And the angle of the water mist spray head 3 can be automatically adjusted. During operation, the high-pressure water pipe 5 is provided with a connecting valve 51 connected with the water inlet pipe every 50m, high-pressure water is conveyed into the rotatable water mist spray head 3 through the arc-shaped pipeline 4 in a pressing mode, water mist is sprayed out of the rotatable water mist spray head 3, and the maintenance time and the spraying water quantity are adjusted through the automatic timing valve 411, so that spray maintenance can be carried out on the secondary concrete.
The maintenance operation flow of the movable secondary lining concrete maintenance device is as follows:
the second lining concrete curing device is in place, curing is started, a high-pressure water pipe and a water inlet pipe are connected, an automatic timing valve is opened, curing time and spraying quantity are controlled, after the set time is reached, the automatic timing valve is closed, the curing device is moved, and curing is finished.
The movable secondary lining concrete curing device can also walk by itself through the power device.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (1)
1. A portable two lining concrete curing means which characterized in that: the maintenance device comprises a maintenance trolley and an arc-shaped bracket arranged on the maintenance trolley, wherein a plurality of water mist spray heads are uniformly arranged at intervals along the outer side of the arc-shaped bracket, and the water mist spray heads are connected to arc-shaped pipelines arranged along the arc-shaped bracket;
high-pressure water pipes are longitudinally distributed along the tunnel, and a connecting valve is arranged on each high-pressure water pipe; the bottom end of any side of the arc-shaped pipeline is provided with a connecting pipe, and the connecting pipe can be connected to a high-pressure water pipe;
the arc-shaped bracket is formed by welding a plurality of vertical beams, cross beams and inclined supporting beams;
the arc-shaped bracket is provided with a door-shaped fixing cavity;
the maintenance cart is of a door-shaped structure and comprises a main cross beam, a main longitudinal beam and a main vertical beam, and is formed by welding round steel pipes;
the bottom end of the main vertical beam of the maintenance cart is provided with a roller, and the roller is a universal wheel;
a plurality of auxiliary vertical beams are correspondingly arranged on two sides of the maintenance cart, the auxiliary vertical beams are higher than the main beam, auxiliary beams are connected between the tops of the corresponding auxiliary vertical beams, and the auxiliary beams gradually increase from front to back in a step shape;
the top beam of the door-shaped fixing cavity is provided with a top fixing seat, the side beam of the fixing cavity is provided with a side end fixing seat, and the arc-shaped bracket is fixed on the maintenance trolley through the top fixing seat and the side end fixing seat; the top fixing seat is supported on the auxiliary cross beam, and the side end fixing seat is supported on the auxiliary vertical beam;
the top fixing seat is provided with a downward top groove which can be clamped on the auxiliary cross beam from the top; the side end fixing seat is provided with an inward side groove, and the side groove can be sleeved on the auxiliary vertical beam from the top of the auxiliary vertical beam and can slide up and down along the auxiliary vertical beam;
the auxiliary vertical beam is vertically and uniformly provided with a plurality of pin holes at intervals and is used for inserting pins and locking the positions of the side end fixing seats; the arc pipeline is of a two-section structure, is a unilateral pipeline (42) and a unilateral pipeline (43) respectively, and is connected together at the top through a hinge, and connecting pipes are arranged at the bottom ends of the two sections of arc pipelines, so that simultaneous water supply is carried out respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811115897.7A CN108894798B (en) | 2018-09-25 | 2018-09-25 | Portable two lining concrete curing means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811115897.7A CN108894798B (en) | 2018-09-25 | 2018-09-25 | Portable two lining concrete curing means |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108894798A CN108894798A (en) | 2018-11-27 |
| CN108894798B true CN108894798B (en) | 2023-08-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811115897.7A Active CN108894798B (en) | 2018-09-25 | 2018-09-25 | Portable two lining concrete curing means |
Country Status (1)
| Country | Link |
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| CN (1) | CN108894798B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110759748A (en) * | 2019-11-15 | 2020-02-07 | 河北建设集团股份有限公司 | A movable beam plate health device and beam plate health technology |
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|---|---|---|---|---|
| KR20010076802A (en) * | 2000-01-28 | 2001-08-16 | 유근무 | Sprinkler for Curing of Tunnel Lining Concrete and Curing Method of Tunnel Lining Concrete for Using the Sprinkler |
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2018
- 2018-09-25 CN CN201811115897.7A patent/CN108894798B/en active Active
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| KR20010076802A (en) * | 2000-01-28 | 2001-08-16 | 유근무 | Sprinkler for Curing of Tunnel Lining Concrete and Curing Method of Tunnel Lining Concrete for Using the Sprinkler |
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| JP2011153497A (en) * | 2010-01-28 | 2011-08-11 | Maeda Corp | Wet curing apparatus for concrete |
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| Publication number | Publication date |
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| CN108894798A (en) | 2018-11-27 |
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