CN110616908A - Concrete winter maintenance shed frame and maintenance method thereof - Google Patents

Concrete winter maintenance shed frame and maintenance method thereof Download PDF

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Publication number
CN110616908A
CN110616908A CN201911077755.0A CN201911077755A CN110616908A CN 110616908 A CN110616908 A CN 110616908A CN 201911077755 A CN201911077755 A CN 201911077755A CN 110616908 A CN110616908 A CN 110616908A
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CN
China
Prior art keywords
air bag
frame
concrete
shed
shed frame
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201911077755.0A
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Chinese (zh)
Other versions
CN110616908B (en
Inventor
吴相斌
刘兴波
哈建波
董志伟
李志军
马艳红
李东顺
刘伟
任勇
高子谦
贾吉春
王娜
晋龙凤
陈海建
彭伟
赵宝锋
付彬彬
张磊
李坤
岳琳琳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Railway Tunnel Group Co Ltd CRTG
China Railway Tunnel Group Erchu Co Ltd
Original Assignee
China Railway Tunnel Group Co Ltd CRTG
China Railway Tunnel Group Erchu Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China Railway Tunnel Group Co Ltd CRTG, China Railway Tunnel Group Erchu Co Ltd filed Critical China Railway Tunnel Group Co Ltd CRTG
Priority to CN201911077755.0A priority Critical patent/CN110616908B/en
Publication of CN110616908A publication Critical patent/CN110616908A/en
Application granted granted Critical
Publication of CN110616908B publication Critical patent/CN110616908B/en
Active legal-status Critical Current
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Classifications

    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/24Safety or protective measures preventing damage to building parts or finishing work during construction
    • E04G21/246Safety or protective measures preventing damage to building parts or finishing work during construction specially adapted for curing concrete in situ, e.g. by covering it with protective sheets
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/24Safety or protective measures preventing damage to building parts or finishing work during construction
    • E04G21/28Safety or protective measures preventing damage to building parts or finishing work during construction against unfavourable weather influence
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04HBUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H15/00Tents or canopies, in general
    • E04H15/008Tents or tent-like constructions composed partially of rigid panels
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04HBUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H15/00Tents or canopies, in general
    • E04H15/02Tents combined or specially associated with other devices
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04HBUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H15/00Tents or canopies, in general
    • E04H15/02Tents combined or specially associated with other devices
    • E04H15/10Heating, lighting or ventilating
    • E04H15/12Heating
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04HBUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H15/00Tents or canopies, in general
    • E04H15/32Parts, components, construction details, accessories, interior equipment, specially adapted for tents, e.g. guy-line equipment, skirts, thresholds
    • E04H15/34Supporting means, e.g. frames
    • E04H15/44Supporting means, e.g. frames collapsible, e.g. breakdown type

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)

Abstract

The invention discloses a concrete winter maintenance shed frame and a maintenance method thereof, wherein the concrete winter maintenance shed frame comprises a shed frame, an air bag and an air bag lifting mechanism, wherein the air bag is arranged on the top shed frame through the air bag lifting mechanism, and when the air bag lifting mechanism pulls the bottom of the air bag to ascend, the air bag is compressed; when the air bag lifting mechanism is lowered, the air bag gradually expands under the action of the gravity of the air bag supporting framework at the bottom of the air bag. During the construction of workers, the air bag is in a compressed state, so that the air bag is prevented from occupying the space in the shed frame, and sufficient construction space is provided for the construction workers; make the gas bag be in the inflation state during the maintenance to start heating device in the canopy frame is inside, because a large amount of spaces in the canopy frame have been filled to the gas bag, consequently, in the heating process, improved the heating utilization ratio, make the heat that heating device produced be located around the concrete structure as far as, promote the temperature around the concrete.

Description

Concrete winter maintenance shed frame and maintenance method thereof
Technical Field
The invention belongs to the technical field of concrete winter maintenance, and particularly relates to a concrete winter maintenance shed frame and a maintenance method thereof.
Background
At present, concrete is maintained in the open air in winter to be constructed. Because winter construction needs heat insulation covering and consumes more heat energy, and increases the construction cost, construction projects such as concrete pouring and the like need to be avoided as much as possible in winter. However, the construction of the concrete in the winter period is well done, which is very important for accelerating the engineering progress and ensuring the engineering quality, and is an important means for shortening the investment return period. For the project of winter construction, the reason for influencing the winter construction concrete quality needs to be scientifically analyzed according to the conditions of time and place, so that scientific and reasonable winter construction measures are formulated and selected. Any chemical reaction is limited by temperature, and hydration is no exception. The influence of winter construction on the quality of concrete is mainly the influence of temperature. Therefore, the heat loss is reduced, the construction temperature of the concrete is ensured, and the maintenance of the concrete in winter is very important.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a concrete winter curing shed frame and a curing method thereof, so as to solve the problems of concrete curing, heat preservation, covering and heat consumption in winter, ensure the concrete curing quality and reduce the construction cost. The device simple structure, reasonable in design, function are abundant, the removal is convenient, are applicable to the concrete and maintain the construction in winter and use.
The invention is realized by the following technical scheme:
a concrete winter maintenance shed frame comprises a shed frame, an air bag and an air bag lifting mechanism;
the shed frame comprises a top shed frame and side shed frames arranged on two sides, and the air bag is arranged on the top shed frame through an air bag lifting mechanism;
the top surface of the top shed frame is provided with a daylighting plate which plays the roles of daylighting and heat insulation; canvas is laid around the shed frame to play a role in heat preservation;
the air bag comprises an air bag supporting framework and canvas coated outside the air bag supporting framework, an air inlet and an air outlet are formed in the canvas, and the top of the air bag is connected with the bottom of the top shed frame; the air bag supporting framework is arranged at the bottom of the air bag and is used for supporting the shape of the bottom of the air bag;
the air bag lifting mechanism is connected with the bottom of the air bag, when the air bag lifting mechanism pulls the bottom of the air bag to lift, the air bag is compressed, and air is exhausted through the air inlet and outlet holes in the air bag canvas in the compression process; when the air bag lifting mechanism is placed downwards, the air bag gradually expands under the action of gravity of the air bag supporting framework at the bottom of the air bag, and ambient air is sucked through the air inlet and outlet holes in the canvas of the air bag in the expansion process of the air bag.
In the technical scheme, the air bag lifting mechanism comprises a motor, a transmission shaft, a coupling, a belt pulley, a speed reducer, a belt and an installation frame body; the mounting frame body is used for supporting the air bag lifting mechanism and is fixed on the top shed frame through the mounting frame body; the transmission shaft is fixedly arranged with the coupler, the speed reducer, the transmission shaft of the motor and the belt pulley to transmit power; the belt is arranged on the belt pulley and is connected with the bottom of the air bag.
In the technical scheme, the number of the air bags is multiple, and the air bags are located below the top shed frame.
In the above technical solution, the air bag support frame is preferably a rectangular frame structure.
In the technical scheme, the belt is connected with the outer side end of the air bag supporting framework at the bottom of the air bag.
In the above technical scheme, the bottom of the side canopy frame is also provided with a traveling mechanism.
In the technical scheme, the shed frames can be longitudinally connected, and particularly, a plurality of groups of shed frames are used according to the field construction conditions.
In the technical scheme, the air bag lifting mechanism controls the compression and expansion states of the air bag through lifting.
In the above technical scheme, a heating device is arranged inside the shed frame.
The method for curing the concrete by using the concrete winter curing shed frame comprises the following steps:
during the construction of workers, the air bag is in a compressed state, so that the air bag is prevented from occupying the space in the shed frame, and sufficient construction space is provided for the construction workers;
during concrete curing, the air bag is in an expansion state, the heating device is started in the shed frame, and the air bag fills a large amount of space in the shed frame, so that the heating utilization rate is improved in the heating process, heat generated by the heating device is located around a concrete structure as much as possible, and the temperature around the concrete is improved.
The invention has the advantages and beneficial effects that:
1. canvas is laid around the shed frame, and a daylighting plate is arranged at the top of the shed frame to form a relatively closed space, so that solar energy can be absorbed, and heat loss is reduced.
2. A plurality of air bags capable of contracting and expanding are arranged in the shed frame, and the contraction and expansion states of the air bags are regulated and controlled so as to adapt to different requirements of concrete construction and maintenance. During the construction of workers, the air bag is in a compressed state, so that the air bag is prevented from occupying the space in the shed frame, and sufficient construction space is provided for the construction workers; the air bag is in an expansion state during curing (namely, during non-construction), the heating device is started in the shed frame, and the air bag fills a large amount of space in the shed frame, so that the heating utilization rate is improved in the heating process, heat generated by the heating device is positioned around the concrete structure as much as possible, and the temperature around the concrete is increased.
3. The shed frame can be longitudinally connected in multiple groups, and is suitable for different construction requirements; the walking mechanism is arranged at the bottom of the shed frame, and is convenient to move.
In conclusion, the four-cabin winter construction and maintenance shed frame can effectively reduce heat loss, guarantees the winter concrete maintenance temperature, improves the heating utilization rate, is simple in structure, reasonable in design, rich in functions, convenient to move and suitable for winter concrete maintenance and construction.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a side view of the present invention.
Fig. 3 is a partially enlarged schematic view of the present invention.
Wherein, 1: canopy frame, 2: air bag, 3: air bag lifting mechanism 1-1: top canopy frame, 1-2: side canopy frame, 1-3: a traveling mechanism, 2-1: air bag supporting framework, 2-2: canvas, 2-3: air inlet and outlet holes, 3-1: motor, 3-2: coupling, 3-3: speed reducer, 3-4: pulley, 3-5: installation frame body, 3-6: belt, 3-7: a drive shaft.
For a person skilled in the art, other relevant figures can be obtained from the above figures without inventive effort.
Detailed Description
In order to make the technical solution of the present invention better understood, the technical solution of the present invention is further described below with reference to specific examples.
Example one
Referring to the attached drawings, the concrete winter maintenance shed comprises a shed frame 1, an air bag 2 and an air bag lifting mechanism 3.
The shed frame 1 comprises a top shed frame 1-1 and side shed frames 1-2 arranged on two sides, and the air bag 2 is arranged on the top shed frame 1-1 through an air bag lifting mechanism 3.
The top surface of the top shed frame 1-1 is provided with a daylighting plate which plays the roles of daylighting and heat insulation. Canvas is laid on the side shed frames 1-2 to play a role in heat insulation; canvas is laid in the front and the back of the shed frame to play a role in heat insulation.
The number of the air bags 2 is multiple, and the air bags are positioned below the top shed frame 1-1; the air bag 2 comprises an air bag supporting framework 2-1 and canvas 2-2 coated outside the air bag supporting framework 2-1, an air inlet and outlet hole 2-3 is arranged on the canvas, and the top of the air bag 2 is connected with a lifting lug a at the bottom of the top canopy frame 1-1. Further, the air bag supporting framework 2-1 is arranged at the bottom of the air bag 2 and used for supporting the shape of the bottom of the air bag 2, and the air bag supporting framework 2-1 is preferably of a rectangular frame structure.
The air bag lifting mechanism 3 comprises a motor 3-1, a transmission shaft 3-7, a coupler 3-2, a belt pulley 3-4, a speed reducer 3-3, a belt 3-6 and a mounting frame body 3-5; the mounting frame body 3-5 is used for supporting the air bag lifting mechanism 3 and is fixed on the top shed frame 1-1 through the mounting frame body 3-5; the transmission shaft is fixedly arranged with the coupler, the speed reducer, the transmission shaft of the motor and the belt pulley to transmit power; the belt is arranged on the belt pulley and is connected with the bottom of the air bag (in a further way, the belt is connected with the outer side end of an air bag supporting framework 2-1 at the bottom of the air bag 2), so that the lifting control of the air bag is realized, when the belt pulls the bottom of the air bag to rise, the air bag is compressed, and air is exhausted through an air inlet and outlet hole 2-3 on the canvas of the air bag 2 in the compression process; when the belt is put down, the air bag gradually expands under the action of gravity of the air bag supporting framework 2-1 at the bottom of the air bag, and ambient air is sucked in through the air inlet and outlet holes 2-3 on the canvas of the air bag 2 in the expansion process of the air bag.
Example two
On the basis of the first embodiment, further, the bottom of the side canopy frame 1-2 is also provided with a traveling mechanism 1-3, and the canopy frame can travel longitudinally by means of external force.
EXAMPLE III
On the basis of the first embodiment, the canopy frame is formed by welding a plurality of longitudinal beams and a plurality of transverse beams, and the side canopy frames are connected with the top canopy frame through bolts. The shed frames can be longitudinally connected, and particularly, several groups of shed frames are used according to the site construction conditions.
Example four
On the basis of the first embodiment, a heating device is further arranged inside the shed frame and is started in time during maintenance.
EXAMPLE five
The method for curing the concrete by using the concrete winter curing shed frame comprises the following steps:
during workman's construction (generally being under construction daytime), make gas bag 2 be in compression state under the effect of gas bag hoist mechanism 3, avoid gas bag 2 to occupy the space in the rack to for the construction workman provides sufficient construction space, simultaneously, carry out the daylighting through the plane skylight, and make the inside higher temperature that maintains of rack under the sunshine effect.
In the non-construction period (namely the curing period), the air bag 2 is in an expansion state under the action of the air bag lifting mechanism 3, and a heating device (a heating device can be a stove or an electric heating furnace, an air conditioner and the like) is started in the shed frame, and the air bag 2 fills a large amount of space in the shed frame, so that the heating utilization rate is improved in the heating process, the heat generated by the heating device is positioned around the concrete structure as much as possible, and the temperature around the concrete is increased.
The invention has been described in an illustrative manner, and it is to be understood that any simple variations, modifications or other equivalent changes which can be made by one skilled in the art without departing from the spirit of the invention fall within the scope of the invention.

Claims (10)

1. The utility model provides a concrete winter maintenance rack which characterized in that: comprises a shed frame, an air bag and an air bag lifting mechanism;
the shed frame comprises a top shed frame and side shed frames arranged on two sides, and the air bag is arranged on the top shed frame through an air bag lifting mechanism;
the top surface of the top shed frame is provided with a daylighting plate which plays the roles of daylighting and heat insulation; canvas is laid around the shed frame to play a role in heat preservation;
the air bag comprises an air bag supporting framework and canvas coated outside the air bag supporting framework, an air inlet and an air outlet are formed in the canvas, and the top of the air bag is connected with the bottom of the top shed frame; the air bag supporting framework is arranged at the bottom of the air bag and is used for supporting the shape of the bottom of the air bag;
the air bag lifting mechanism is connected with the bottom of the air bag, when the air bag lifting mechanism pulls the bottom of the air bag to lift, the air bag is compressed, and air is exhausted through the air inlet and outlet holes in the air bag canvas in the compression process; when the air bag lifting mechanism is placed downwards, the air bag gradually expands under the action of gravity of the air bag supporting framework at the bottom of the air bag, and ambient air is sucked through the air inlet and outlet holes in the canvas of the air bag in the expansion process of the air bag.
2. The concrete winter maintenance canopy frame of claim 1, wherein: the air bag lifting mechanism comprises a motor, a transmission shaft, a coupler, a belt pulley, a speed reducer, a belt and an installation frame body; the mounting frame body is used for supporting the air bag lifting mechanism and is fixed on the top shed frame through the mounting frame body; the transmission shaft is fixedly arranged with the coupler, the speed reducer, the transmission shaft of the motor and the belt pulley to transmit power; the belt is arranged on the belt pulley and is connected with the bottom of the air bag.
3. The concrete winter maintenance canopy frame of claim 1, wherein: the number of the air bags is multiple and is positioned below the top shed frame.
4. The concrete winter maintenance canopy frame of claim 1, wherein: the air bag supporting framework is of a rectangular frame structure.
5. The concrete winter maintenance canopy frame of claim 2, wherein: the belt is connected with the outer side end of the air bag supporting framework at the bottom of the air bag.
6. The concrete winter maintenance canopy frame of claim 1, wherein: and a traveling mechanism is also arranged at the bottom of the side shed frame.
7. The concrete winter maintenance canopy frame of claim 1, wherein: the shed frames can be longitudinally connected, and particularly, several groups of shed frames are used according to the site construction conditions.
8. The concrete winter maintenance canopy frame of claim 1, wherein: the air bag lifting mechanism controls the compression and expansion states of the air bag through lifting.
9. The concrete winter maintenance canopy frame of claim 1, wherein: a heating device is arranged in the shed frame.
10. A method of curing concrete using the winter curing canopy frame of claim 1, wherein:
during the construction of workers, the air bag is in a compressed state, so that the air bag is prevented from occupying the space in the shed frame, and sufficient construction space is provided for the construction workers;
during concrete curing, the air bag is in an expansion state, the heating device is started in the shed frame, and the air bag fills a large amount of space in the shed frame, so that the heating utilization rate is improved in the heating process, heat generated by the heating device is located around a concrete structure as much as possible, and the temperature around the concrete is improved.
CN201911077755.0A 2019-11-06 2019-11-06 Concrete winter curing shed frame and curing method thereof Active CN110616908B (en)

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CN201911077755.0A CN110616908B (en) 2019-11-06 2019-11-06 Concrete winter curing shed frame and curing method thereof

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Application Number Priority Date Filing Date Title
CN201911077755.0A CN110616908B (en) 2019-11-06 2019-11-06 Concrete winter curing shed frame and curing method thereof

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CN110616908B CN110616908B (en) 2024-06-11

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113202316A (en) * 2021-04-29 2021-08-03 中国水利水电第四工程局有限公司 Three-dimensional temperature control system for bulk concrete in subtropical climate

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11303388A (en) * 1998-04-23 1999-11-02 Fujita Corp Work execution method of concrete structure, and form divided body used therefor
JP2011074652A (en) * 2009-09-30 2011-04-14 Hazama Corp Concrete curing method and curing apparatus
CN104963698A (en) * 2015-06-25 2015-10-07 山东大学 Heat-preservation moisture-preservation life-preserving device for tunnel lining concrete and construction method thereof
CN107421038A (en) * 2017-09-13 2017-12-01 湖州职业技术学院 A kind of green intelligent humidity control system
CN108533291A (en) * 2018-06-15 2018-09-14 中铁工程设计咨询集团有限公司 The concrete curing equipment that can be kept the temperature and maintenance process
CN110397294A (en) * 2019-07-15 2019-11-01 五冶集团上海有限公司 A kind of winter mass concrete maintenance roof insulating and its application method
CN211548870U (en) * 2019-11-06 2020-09-22 中铁隧道集团二处有限公司 Concrete winter maintenance rack

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11303388A (en) * 1998-04-23 1999-11-02 Fujita Corp Work execution method of concrete structure, and form divided body used therefor
JP2011074652A (en) * 2009-09-30 2011-04-14 Hazama Corp Concrete curing method and curing apparatus
CN104963698A (en) * 2015-06-25 2015-10-07 山东大学 Heat-preservation moisture-preservation life-preserving device for tunnel lining concrete and construction method thereof
CN107421038A (en) * 2017-09-13 2017-12-01 湖州职业技术学院 A kind of green intelligent humidity control system
CN108533291A (en) * 2018-06-15 2018-09-14 中铁工程设计咨询集团有限公司 The concrete curing equipment that can be kept the temperature and maintenance process
CN110397294A (en) * 2019-07-15 2019-11-01 五冶集团上海有限公司 A kind of winter mass concrete maintenance roof insulating and its application method
CN211548870U (en) * 2019-11-06 2020-09-22 中铁隧道集团二处有限公司 Concrete winter maintenance rack

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113202316A (en) * 2021-04-29 2021-08-03 中国水利水电第四工程局有限公司 Three-dimensional temperature control system for bulk concrete in subtropical climate

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