CN214401437U - Continuous rigid frame beam bridge steam-curing greenhouse in high-altitude and high-cold area - Google Patents

Continuous rigid frame beam bridge steam-curing greenhouse in high-altitude and high-cold area Download PDF

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Publication number
CN214401437U
CN214401437U CN202120120894.3U CN202120120894U CN214401437U CN 214401437 U CN214401437 U CN 214401437U CN 202120120894 U CN202120120894 U CN 202120120894U CN 214401437 U CN214401437 U CN 214401437U
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steam
curing
hanging basket
greenhouse
rigid frame
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李江鱼
何丽琴
闫林君
刘旭聪
冀伟
赵彦华
王昕�
关义鹏
刘勇
贾宏乾
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Lanzhou Jiaotong University
China Railway 18th Bureau Group Co Ltd
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Lanzhou Jiaotong University
China Railway 18th Bureau Group Co Ltd
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Abstract

The utility model provides a continuous rigid frame beam bridge steam-curing greenhouse in high altitude and high cold areas, which is used on a hanging basket for bridge construction, and comprises a steam-curing greenhouse body and a steam boiler, wherein the steam-curing greenhouse body is a closed space surrounded by a heat insulation material layer covered outside the hanging basket and a movable door curtain which is arranged at the transverse connection position of the hanging basket and can be transversely pulled open along the transverse connection of the hanging basket; the bottom of a steam boiler is provided with a sliding rail to slide along the rail, the steam boiler is provided with a plurality of steam pipelines, the steam pipelines are connected to enter the interior of the steam curing shed body through two sides of a movable door curtain, the outlet of each steam pipeline corresponds to a concrete cast-in-place section in the steam curing shed body, a plurality of temperature measuring elements connected through temperature measuring lines are uniformly arranged on the surface of each concrete cast-in-place section, and the temperature measuring lines are converged and connected into the temperature measuring boxes. The beneficial effects of the utility model include at least: the steam-curing shed is connected with the hanging basket in the bridge construction process, so that the steam-curing shed can synchronously move along with the movement of the hanging basket in the construction process, and the bridge construction is facilitated.

Description

Continuous rigid frame beam bridge steam-curing greenhouse in high-altitude and high-cold area
Technical Field
The utility model relates to a bridge construction technical field, specific theory relates to a continuous rigid frame beam bridge evaporates foster warm canopy in high altitude severe cold district.
Background
With the continuous development of society, the bridge construction industry has rapidly developed. With the demand of economic development, more and more bridges are built in high-altitude alpine regions. However, due to the special environment condition of high-altitude and high-cold areas, the traditional concrete curing method is not suitable any more. And newly poured concrete is greatly influenced by temperature. At low temperatures, the strength increase of the concrete is affected. If the temperature drops below 4 c, the water in the concrete begins to expand and damage may occur to the very low strength concrete. If the temperature of the concrete drops below the freezing point, the concrete structure is frozen early, which affects the strength and durability of the concrete. If the temperature distribution of the concrete structure is not uniform, the structure may generate temperature cracks.
The concrete box girder is constructed in winter, and measures are technically adopted to mainly prevent the concrete from being frozen in the early stage under the condition of negative temperature. And in order to shorten the production cycle of the concrete box girder, improve the turnover rate of production equipment, accelerate the formation of a box girder structure and obtain the effect of early strength and rapid hardening of concrete, the rapid curing process is adopted, so that the rapid curing process has great economic significance for shortening the curing time and accelerating the turnover of steel moulds.
SUMMERY OF THE UTILITY MODEL
In view of the above technical problem, the embodiment of the utility model provides a warm canopy is evaporated to continuous rigid frame girder bridge in high altitude alpine region solves the problem of concrete maintenance in the high altitude alpine region bridge work progress.
A continuous rigid frame beam bridge steam-curing greenhouse in high-altitude alpine regions is used on a hanging basket for bridge construction and comprises a steam-curing greenhouse body (7) and a steam boiler (1), wherein the steam-curing greenhouse body (7) is a closed space surrounded by a heat insulation material layer (12) covering the outside of the hanging basket and a movable door curtain (8) which is arranged at the transverse connection position of the hanging basket and can be transversely pulled open along the transverse connection of the hanging basket; the bottom of steam boiler (1) is equipped with the slide rail, in order to slide along the track, be provided with a plurality of steam pipes (6) on the steam boiler, inside steam pipes passed through movable door curtain (8) both sides connection and entered into steam curing canopy body (7), and the export of steam pipes (6) is corresponding to this internal cast-in-place section of concrete (13) of steam curing canopy, the surface of cast-in-place section of concrete (13) has evenly arranged a plurality of temperature measurement component (11) of connecting through temperature measurement line (10), temperature measurement line (10) are collected and are connected to in temperature measurement case (9).
The movable door curtain (8) is made of heat-insulating materials, and the upper end, the lower end and the side end of the movable door curtain (8) are all in butt joint with the heat-insulating material layer (12).
The steam-curing shed body (7) comprises two parts which are respectively arranged on the hanging baskets at two sides of the bridge construction.
The steam boiler (1) is provided with a steam pressure gauge (4) and a temperature control meter (5).
The steam boiler is also provided with a temperature and pressure control table (3) for controlling the pressure in the steam boiler (1) to be within a local safety range value and adjusting the steam output temperature in the steam boiler.
The beneficial effects of the utility model include at least: the steam-curing shed is connected with the hanging basket in the bridge construction process, so that the steam-curing shed can synchronously move along with the movement of the hanging basket in the construction process, and the bridge construction is facilitated; the steam-curing greenhouse design reduces the construction time of the concrete in high-altitude and high-cold areas by 5-6 days under the condition of ensuring that all temperature differences of the concrete can meet the design and standard requirements; the steam-curing greenhouse is designed to have constant temperature and proper air humidity in the steam-curing greenhouse, is not easy to cause fire hazard in steam curing, can prevent wind and keep out cold, and has good safe operation environment.
Detailed Description
The following description is made with reference to the accompanying drawings:
fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of a concrete cast-in-place section.
FIG. 3 is a schematic view of a temperature measuring box.
Detailed Description
Features and exemplary embodiments of various aspects of the present invention will be described in detail below. In the following detailed description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced without some of these specific details. The following description of the embodiments is merely intended to provide a better understanding of the invention by illustrating examples of the invention. The present invention is in no way limited to any specific configuration and algorithm set forth below, but covers any modification, replacement or improvement of elements, components and algorithms without departing from the spirit of the present invention. In the following description, well-known structures and techniques are not shown in order to avoid unnecessarily obscuring the present invention.
Example embodiments will now be described with reference to the accompanying drawings, which may be embodied in various forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art.
Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. In the following description, numerous specific details are provided to provide a thorough understanding of embodiments of the invention. One skilled in the relevant art will recognize, however, that the invention may be practiced without one or more of the specific details, or with other methods, components, materials, and so forth. In other instances, well-known structures, materials, or operations are not shown or described in detail to avoid obscuring aspects of the invention.
As shown in fig. 1-3, the embodiment of the utility model provides a continuous rigid frame beam bridge steam-curing greenhouse in high altitude and high cold area, which is used on a hanging basket for bridge construction, and comprises a steam-curing greenhouse body 7 and a steam boiler 1, wherein the steam-curing greenhouse body 7 is a closed space surrounded by a heat insulation material layer 12 covering the outside of the hanging basket and a movable door curtain 8 which is arranged at the transverse position of the hanging basket and can be transversely pulled along the transverse connection of the hanging basket; the bottom of steam boiler 1 is equipped with the slide rail to can slide along the track, is provided with a plurality of steam pipes 6 on the steam boiler, and inside steam pipes passed through movable door curtain 8 both sides connection entering steam curing canopy body 7 to steam pipes 6's export corresponds to the cast-in-place section of concrete 13 in the steam curing canopy body, and a plurality of temperature measurement element 11 of connecting through temperature measurement line 10 have evenly arranged on the surface of cast-in-place section of concrete 13, and temperature measurement line 10 collects and is connected to in the temperature measuring box 9. The steam pipe connector 2 is distributed on the steam boiler 1, one end of the steam pipe 6 is connected with the steam pipe connector 2 on the steam boiler 1, the other end of the steam pipe is directly connected to the position of the cast-in-place concrete 13 in the steam curing shed body 7, and the steam pipe 6 transports the steam into the steam curing shed body 7. The steam pipeline 6 is connected to the steam curing shed body 7 through the steam pipe connector 2 and the steam boiler 1, so that the temperature in the steam curing shed body 7 is constant, the air humidity is appropriate, and the bridge concrete cast-in-place section 13 is ensured to be in a constant-temperature curing environment. The steam-curing shed body 7 is connected with the hanging basket in the bridge construction process, and the synchronous movement of the hanging basket and the steam-curing shed body 7 along with the movement of the hanging basket in the construction process is realized. The top and the periphery of the steam curing shed body 7 are sealed by a heat insulation material layer 12, and meanwhile, a movable door curtain 8 is arranged between two main longitudinal beams on the top of the heat insulation sealing structure and under the transverse connection of the hanging basket, so that personnel can conveniently enter and exit and carry materials. The temperature measuring box 9 is connected with cast-in-place concrete 13 in the steam curing shed body 7 through a temperature measuring line 10 and a temperature measuring element 11, so that the curing environment and the curing humidity of the cast-in-place concrete 13 can be measured in real time.
The movable door curtain 8 is made of heat-insulating materials, and the upper end, the lower end and the side ends of the movable door curtain 8 are all in butt joint with the heat-insulating material layer 12.
The steam-curing shed body 7 comprises two hanging baskets which are respectively arranged on two sides of the bridge construction.
The steam boiler 1 is provided with a steam pressure gauge 4 and a temperature control table 5.
The steam boiler is also provided with a temperature and air pressure control table 3 which controls the air pressure in the steam boiler 1 to be within a local safety range value (refer to the reading value of a steam barometer 4) and adjusts the steam output temperature in the steam boiler (refer to the reading value of a temperature control table 5), so that the temperature of the cast-in-place section concrete steam curing environment can be controlled, and the concrete is prevented from cracking due to overlarge local temperature difference.
The beneficial effects of the utility model include at least: the steam-curing shed is connected with the hanging basket in the bridge construction process, so that the steam-curing shed can synchronously move along with the movement of the hanging basket in the construction process, and the bridge construction is facilitated; the steam-curing greenhouse design reduces the construction time of the concrete in high-altitude and high-cold areas by 5-6 days under the condition of ensuring that all temperature differences of the concrete can meet the design and standard requirements; the steam-curing greenhouse is designed to have constant temperature and proper air humidity in the steam-curing greenhouse, is not easy to cause fire hazard in steam curing, can prevent wind and keep out cold, and has good safe operation environment.
The utility model has the advantages that the screen and the keys of the body can be ensured not to drop ash and drip water through the design of the upper cover, and the internal storage battery can be charged after the upper cover is closed; when the solar photovoltaic panel is continuously used, the upper cover is opened, the photovoltaic panel on the inner side of the upper cover is also in a working state, and the terminal equipment can be continuously used by ensuring that the photovoltaic panel on the inner side is aligned with sunlight.
It will be appreciated by persons skilled in the art that the above embodiments are illustrative and not restrictive. Different features which are present in different embodiments may be combined to advantage. Other variations to the disclosed embodiments can be understood and effected by those skilled in the art upon studying the specification and the claims. In the claims, the term "comprising" does not exclude other means or steps; the indefinite article "a" does not exclude a plurality; the terms "first" and "second" are used to denote a name and not to denote any particular order.

Claims (5)

1. A continuous rigid frame beam bridge steam-curing greenhouse in high altitude and high cold areas is used on a hanging basket for bridge construction and is characterized by comprising a steam-curing greenhouse body (7) and a steam boiler (1), wherein the steam-curing greenhouse body (7) is a closed space which is formed by enclosing a heat insulation material layer (12) covering the outside of the hanging basket and a movable door curtain (8) which is arranged at the transverse connection position of the hanging basket and can be transversely pulled along the transverse connection of the hanging basket; the bottom of steam boiler (1) is equipped with the slide rail, in order to slide along the track, be provided with a plurality of steam pipes (6) on the steam boiler, inside steam pipes passed through movable door curtain (8) both sides connection and entered into steam curing canopy body (7), and the export of steam pipes (6) is corresponding to this internal cast-in-place section of concrete (13) of steam curing canopy, the surface of cast-in-place section of concrete (13) has evenly arranged a plurality of temperature measurement component (11) of connecting through temperature measurement line (10), temperature measurement line (10) are collected and are connected to in temperature measurement case (9).
2. The continuous rigid frame girder bridge steam-curing greenhouse in the high-altitude alpine region as claimed in claim 1,
the movable door curtain (8) is made of heat-insulating materials, and the upper end, the lower end and the side end of the movable door curtain (8) are all in butt joint with the heat-insulating material layer (12).
3. The continuous rigid frame girder bridge steam-curing greenhouse in the high-altitude alpine region as claimed in claim 1,
the steam-curing shed body (7) comprises two parts which are respectively arranged on the hanging baskets at two sides of the bridge construction.
4. The continuous rigid frame girder bridge steam-curing greenhouse in the high-altitude alpine region as claimed in claim 1,
the steam boiler (1) is provided with a steam pressure gauge (4) and a temperature control meter (5).
5. The continuous rigid frame girder bridge steam-curing greenhouse in the high-altitude alpine region as claimed in claim 1,
the steam boiler is also provided with a temperature and pressure control table (3) for controlling the pressure in the steam boiler (1) to be within a local safety range value and adjusting the steam output temperature in the steam boiler.
CN202120120894.3U 2021-01-18 2021-01-18 Continuous rigid frame beam bridge steam-curing greenhouse in high-altitude and high-cold area Active CN214401437U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120120894.3U CN214401437U (en) 2021-01-18 2021-01-18 Continuous rigid frame beam bridge steam-curing greenhouse in high-altitude and high-cold area

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120120894.3U CN214401437U (en) 2021-01-18 2021-01-18 Continuous rigid frame beam bridge steam-curing greenhouse in high-altitude and high-cold area

Publications (1)

Publication Number Publication Date
CN214401437U true CN214401437U (en) 2021-10-15

Family

ID=78045952

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120120894.3U Active CN214401437U (en) 2021-01-18 2021-01-18 Continuous rigid frame beam bridge steam-curing greenhouse in high-altitude and high-cold area

Country Status (1)

Country Link
CN (1) CN214401437U (en)

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