CN213927668U

CN213927668U - Concrete winter construction is with portable maintenance workshop

Info

Publication number: CN213927668U
Application number: CN202022384986.0U
Authority: CN
Inventors: 张尔乐; 肖峰; 靳龙; 付宝良; 王国轩; 叶松; 张建勇; 江海涛; 王瑞新; 李盈盈; 蔡刘露; 周万骏; 潘宏承; 张保龙; 白杨; 李田; 朱王伟
Original assignee: National Power Grid Shanxi Power Transmission And Distribution Project Co ltd; State Grid Co ltd Ac Construction Branch
Current assignee: National Power Grid Shanxi Power Transmission And Distribution Project Co ltd; State Grid Co ltd Ac Construction Branch
Priority date: 2020-10-23
Filing date: 2020-10-23
Publication date: 2021-08-10
Anticipated expiration: 2030-10-23

Abstract

The utility model discloses a concrete winter construction is with portable maintenance workshop relates to transformer substation GIS basis construction field in winter. The mobile workshop comprises a workshop main body frame, a fixed track, a lighting facility, an enclosure structure and an intelligent temperature monitoring system, wherein the fixed track is positioned at the bottom of the workshop main body frame; the intelligent temperature monitoring system collects sensing data and gives an alarm under abnormal conditions. The main frame of the factory building mainly comprises a plurality of roof beams, steel upright posts and roof purlines which are arranged in parallel, the enclosure structure comprises a ceiling, a front gable wall, a rear gable wall, a left vertical wall and a right vertical wall, the ceiling is a thick blue color steel plate, and the front gable wall, the rear gable wall, the left vertical wall and the right vertical wall are composed of rock wool wallboards and rainproof rock wool tarpaulins. This portable workshop can be under the bad weather condition, incessant continuous construction, has guaranteed the continuity of GIS equipment foundation construction, has guaranteed the reliability of basic concrete maintenance environment.

Description

Concrete winter construction is with portable maintenance workshop

Technical Field

The utility model relates to a transformer substation GIS basis construction field in winter specifically is a concrete winter construction is with portable maintenance workshop.

Background

In recent years, extra-high voltage power transmission and transformation projects are implemented successively, energy resource optimization configuration is effectively promoted, and the accelerated development of clean energy is promoted. The construction relationship of the extra-high voltage alternating current project is nationally determined, so that the method has important significance for research and development of an all-weather intelligent mobile construction workshop of a 1000kV GIS foundation in the extra-high voltage project construction.

In the existing extra-high voltage alternating current power transformation engineering, a representative structure in the civil engineering construction process is the construction of a GIS equipment large-plate foundation, the GIS large-plate foundation is a large-volume concrete foundation and is integrally strip-shaped, the width of the foundation is basically consistent, the width of the foundation is about 20.7 meters, the length of the foundation is 312.25 meters, the elevation of the surface of the foundation is consistent, and no convex part exists. Factors influencing the foundation template, the reinforcing steel bar and the pouring process are as follows: the factors influencing the early quality during the curing of the basic concrete include the following factors in severe weather such as rain, snow, strong wind, low temperature and the like and harmful gases: the temperature, the humidity, the temperature difference between the inside and the outside of the foundation and the like of the foundation environment are used as carriers of important GIS equipment, the quality requirement is strict, the influence of adverse climate is avoided in the construction process, the quality lifetime defect is caused, and the service life of the ultra-high voltage transformer substation is influenced finally. The method is characterized in that the construction of bin adjustment is usually carried out according to a GIS foundation division form, the construction can only be suspended in severe weather, and the construction of building warm sheds in different bins is carried out in winter construction, so that greater potential safety hazards exist; meanwhile, the temperature detection in the concrete curing period can only be observed by the frequent temperature measurement of people, and the heat preservation and curing measures are adjusted, so that the method is complicated and low in efficiency. The 1000kV GIS foundation is an important component of a transformer substation, and has the advantages of large foundation volume, long length, high construction process requirement, great construction difficulty in winter, great cost investment and unsatisfactory effect. In the past engineering, a pipe-erecting type greenhouse is generally adopted, the heat insulation material is tarpaulin, but repeated assembly and disassembly are needed, the construction period is long, the heat insulation material on the outer side is easy to cause fire, and the safety risk is high. Therefore, it is urgently required to develop a construction shop suitable for use in winter to solve the above problems.

Disclosure of Invention

The utility model discloses a solve in the concrete work progress of winter, the cycle length is set up to the greenhouse, need take repeatedly in the work progress and tear open, and outside insulation material very easily takes place conflagration scheduling problem, provides a concrete construction is with portable maintenance workshop of winter.

The utility model discloses a realize through following technical scheme: a mobile maintenance workshop for concrete winter construction comprises a plant main body frame, a fixed track, a lighting facility, an enclosure structure and an intelligent temperature monitoring system, wherein the fixed track is positioned at the bottom of the plant main body frame; the intelligent temperature monitoring system collects sensing data and gives an alarm under abnormal conditions; the plant main body framework mainly comprises a plurality of roof girders, steel upright posts and roof purlins which are arranged in parallel, two ends of each roof girder are fixedly connected with a vertical steel upright post respectively, adjacent roof girders are mutually connected through a plurality of roof purlins and a plurality of groups of round steel tensioning cross supports, adjacent steel upright posts are fixedly connected through the cross supports, each roof girder is formed by fixedly connecting a plurality of triangular steel girders, and the top of each roof girder is arched; the bottom parts of all the steel upright posts are connected with wheels, and the wheels are clamped on the fixed track; the enclosure structure comprises a ceiling and a vertical wall, the ceiling is fixed on the roof beam and the upper part of a roof purline, the ceiling is a thick blue color steel plate, a light-transmitting tile is arranged at a certain distance, and a plurality of pouring windows are uniformly arranged; the vertical walls comprise a front and a rear gable walls below the roof beam and a left and a right vertical walls on two sides, the left and the right vertical walls are fixed on the outer sides of all the steel stand columns, personnel inlets and outlets are formed in the front and the rear gable walls and the left and the right vertical walls, the upper parts of the front and the rear gable walls and the left and the right vertical walls except the personnel inlets and outlets are rock wool wallboards, the lower parts of the front and the rear gable walls and the left and the right vertical walls are rainproof rock wool tarpaulins, and the left and the right vertical walls except the personnel inlets and outlets are fixed by a plurality of purlins; the fixed tracks are arranged in double rows, the two rows are respectively positioned at the lower sides of straight lines formed by the steel upright columns, the foundation of the fixed tracks is positioned at the outer sides of the left and right vertical walls, and the tracks are fixed by adopting light steel rails and fixing press plates through galvanized expansion bolts; a plurality of lighting facilities and temperature control equipment are arranged in a space formed by the plant main body frame and the enclosure structure, the temperature control equipment comprises at least one warm air blower arranged on a front gable wall and a rear gable wall respectively and at least two warm air blowers arranged on a left standing wall and a right standing wall respectively, all the warm air blowers are correspondingly provided with independent warm air blower switch boxes, the left standing wall and the right standing wall are respectively provided with at least three axial flow fans, the lighting facilities are respectively positioned on the peripheral wall surfaces, and a lighting switch box is arranged on the wall surface on one side of the lighting facilities; a distribution box and an intelligent control switch box are also arranged on the wall surface on one side of the wall body; the intelligent temperature monitoring system comprises a data acquisition part, a data processing part and an execution terminal, wherein the data acquisition part comprises a plurality of sensors and is used for acquiring the temperature and humidity of the environment, the carbon monoxide gas and the temperature inside and outside the concrete, the data processing part comprises a central processing unit and is used for processing the acquired data, the data processing part sends a command to the execution terminal, and the execution terminal comprises an acousto-optic alarm, a flexible starting ventilation system and a short message alarm system.

The utility model relates to a concrete construction of winter is with portable maintenance workshop, mainly include factory building main body frame, fixed track, lighting facilities, envelope and intelligent temperature monitoring system, the fixed track is located the bottom of factory building main body frame to make whole factory building main body frame can move on the fixed track, lighting facilities are located the inside of factory building main body frame, are used for the workshop illumination, envelope fixed position is in the periphery of factory building main body frame, is used for keeping warm for whole workshop, makes the temperature in the workshop invariable; the intelligent temperature monitoring system collects sensing data and gives an alarm under abnormal conditions. The main frame of the factory building mainly comprises a plurality of roof girders, steel upright posts and roof purlins which are arranged in parallel, wherein two ends of each roof girder are fixedly connected with a vertical steel upright post respectively, the steel upright posts are used for supporting the roof girders and supporting an enclosure structure, adjacent roof girders are mutually connected through a plurality of roof purlins and a plurality of groups of round steel tensioning cross supports and are used for stabilizing the main frame of the whole factory building, adjacent steel upright posts are fixedly connected through the cross supports and play a role in strengthening, the roof girders are formed by fixedly connecting a plurality of triangular steel girders, the tops of the roof girders are arched, and the arched shape is convenient for opening light-transmitting tiles and pouring windows; the bottom of all steel stand columns is connected with wheels, the wheels are clamped on the fixed track, and the wheels are used for enabling the whole mobile workshop to move along the track. The building enclosure structure comprises a ceiling and a vertical wall, and is used for shielding wind and rain, the ceiling is fixed on the roof beam and the upper part of a roof purline, the ceiling is a thick blue color steel plate, a light-transmitting tile is arranged at a certain distance, and a plurality of pouring windows are uniformly arranged, the light-transmitting tile is used as a main light-collecting source in daytime, and the pouring windows are used for pouring; the vertical wall includes that the front and back gable under the roof beam and the control of both sides found the wall, control and found the wall and be fixed in the outside of all steel stand columns, all be provided with personnel on the gable around with control and import and export, all around the gable is imported and exported except that personnel and is upper portion for the rock wool wallboard, the lower part is rain-proof rock wool tarpaulin, rock wool wallboard and rain-proof rock wool tarpaulin have all played the effect of heat preservation fire prevention, in order to remove, rain-proof rock wool tarpaulin is used to the lower part, the fixed rock wool wallboard that adopts of upper portion can make whole factory building frame fixed, and convenient the removal, control and found the wall except that personnel's access department, all adopt many purlins between the steel stand column fixed. The fixed track is arranged in double rows, the two rows are respectively positioned at the lower sides of straight lines formed by the steel upright posts, the foundation of the fixed track is positioned at the outer sides of the left vertical wall and the right vertical wall, and the track is fixed by a galvanized expansion bolt fixing pressing plate. A plurality of lighting facilities and temperature control equipment are arranged in a space formed by the plant main body frame and the enclosing structure, the temperature control equipment comprises at least one warm air blower arranged on a front gable and a rear gable respectively and at least two warm air blowers arranged on a left vertical wall and a right vertical wall respectively, the temperature control equipment is used for keeping indoor temperature, and a platform is arranged in a workshop generally; in order to protect each warm air blower, all the warm air blowers are correspondingly provided with independent warm air blower switch boxes; in order to ensure the use safety of the fan heater, at least three axial flow fans are respectively arranged on the left vertical wall and the right vertical wall and are linked by an intelligent temperature monitoring system, and the fan heater is automatically started when CO in a workshop exceeds the standard. The lighting facilities are respectively positioned on the peripheral wall surfaces, and a lighting switch box is arranged on the wall surface on one side; and a distribution box and an intelligent control switch box are also arranged on the wall surface on one side. The intelligent temperature monitoring system plays a monitoring role in the whole workshop and generally comprises a data acquisition part, a data processing part and an execution terminal, wherein the data acquisition part comprises a plurality of sensors for acquiring environment temperature and humidity, carbon monoxide gas and concrete internal and external temperature, the data processing part comprises a central processing unit for processing acquired data, the data processing part sends a command to the execution terminal, the execution terminal comprises an acousto-optic alarm system, a flexible starting ventilation system and a short message alarm system, and the flexible starting ventilation system refers to the above axial flow fan. The utility model discloses the specific operation does: assembling all steel upright posts, roof girders and roof purlins according to standards, simultaneously tensioning the roof girders by using round steel to form cross supports for fixation, reinforcing the steel upright posts by using the cross supports, laying a fixed track below a straight line formed by the steel upright posts, and clamping wheels below the steel upright posts on the track, thereby completing the main frame of the plant; a ceiling is erected above the roof girder, a thick blue color steel plate is adopted, a light-transmitting tile is arranged at a certain distance at intervals and serves as a main light-collecting source in the daytime, and a plurality of pouring windows are uniformly formed; then, rock wool wallboards are adopted to enclose and block along the outer sides of a row of steel upright posts and under the roof beams to form a front gable wall, a rear gable wall, a left upright wall and a right upright wall, so that the rock wool wallboards are left at a certain height from the ground to be provided with rainproof rock wool tarpaulins, and all the steel upright posts except personnel inlets and outlets are fixed by purlins; after the installation is finished, facilities such as illumination, electric, fire control and monitoring are installed in the workshop, after all installation is finished, the construction of a 1000kVGIS foundation can be carried out in the workshop, pouring is carried out through a pouring window, after the construction is finished, the whole mobile workshop can be moved to the position of the next construction along a fixed rail, and then foundation construction is carried out again.

Compared with the prior art the utility model discloses following beneficial effect has: the utility model provides a portable maintenance workshop is used in concrete winter construction, reduced the number of times of setting up the warm canopy many times in the construction of winter and set up the safety risk in the process, disposable input, can use in succession until the foundation construction is accomplished; and in addition, the construction can be continuously carried out under the severe weather condition, the continuity of the GIS equipment foundation construction is ensured, the reliability of the foundation concrete curing environment is ensured, the accuracy of the foundation concrete curing temperature difference control is ensured, and the high standard of the foundation concrete process is ensured.

Drawings

Fig. 1 is a steel frame plane layout diagram of the roof girder of the present invention.

Fig. 2 is a cross-sectional view 1-1 of the roof girder of fig. 1.

Fig. 3 is a structural diagram of the steel upright and the cross brace of the present invention.

Figure 4 is the utility model discloses the structural schematic diagram of triangle girder steel in roof beam.

Fig. 5 is a plan view of the inventive under-post wheel.

Fig. 6 is a schematic structural view of the front and rear gable walls of the present invention.

Fig. 7 is a schematic structural view of the left and right vertical walls of the present invention.

Fig. 8 is a plan layout view of the lighting, fire-fighting, warm air blower and axial flow fan of the present invention.

Fig. 9 is a plan arrangement view of roof purlines on the roof girder of the present invention.

Fig. 10 is a diagram showing the arrangement of purlins on the front and rear gable walls according to the present invention.

Fig. 11 is a purlin layout of the left and right vertical walls of the present invention.

The figures are labeled as follows: 1-roof beam, 2-steel upright post, 3-purlin, 4-round steel tensioning cross brace, 5-cross brace, 6-wheel, 7-rock wool wallboard, 8-rainproof rock wool tarpaulin, 9-warm air blower switch box, 10-axial flow fan, 11-dry powder fire extinguisher, 12-warm shed door, 13-lighting switch box, 14-lighting lamp, 15-axial flow fan switch box, 16-distribution box, 17-intelligent control switch box, 18-temperature and humidity sensor, 19-monitoring screen, 20-triangular steel beam and 21-roof purlin.

Detailed Description

The following describes embodiments of the present invention with reference to the drawings.

In this embodiment, a mobile maintenance shop for 1000kV GIS foundation concrete winter construction is taken as an example for explanation, as shown in fig. 1 to 11, the mobile maintenance shop for concrete winter construction includes a plant main frame, a fixed track, a lighting facility, an enclosure structure and an intelligent temperature monitoring system, wherein the fixed track is located at the bottom of the plant main frame, the lighting facility is located inside the plant main frame, and the enclosure structure is fixedly located at the periphery of the plant main frame; the intelligent temperature monitoring system collects sensing data and gives an alarm under abnormal conditions; the main body framework of the plant is mainly composed of a plurality of roof girders 1, steel columns 2 and roof purlins 21 which are arranged in parallel, two ends of each roof girder 1 are fixedly connected with a vertical steel column 2, adjacent roof girders 1 are mutually connected through a plurality of roof purlins 21 and a plurality of groups of round steel tensioning cross supports 4, adjacent steel columns 2 are fixedly connected through cross supports, each roof girder 1 is formed by fixedly connecting a plurality of triangular steel beams, and the top of each roof girder is arched; the bottom parts of all the steel upright columns 2 are connected with wheels 6, and the wheels 6 are clamped on the fixed track; the enclosure structure comprises a ceiling and a vertical wall, the ceiling is fixed on the roof beam 1 and the upper part of a roof purline 21, the ceiling is a thick blue color steel plate, and a light-transmitting tile is arranged at a certain distance and a plurality of pouring windows are uniformly arranged; the vertical walls comprise a front and a rear gable walls below the roof beam 1 and a left and a right vertical walls at two sides, the left and the right vertical walls are fixed at the outer sides of all the steel upright columns 2, personnel inlets and outlets are arranged on the front and the rear gable walls and the left and the right vertical walls, the upper parts of the front and the rear gable walls and the left and the right vertical walls except the personnel inlets and outlets are rock wool wallboards 7, the lower parts of the front and the rear gable walls and the left and the right vertical walls except the personnel inlets and outlets are rainproof rock wool tarpaulins 8, and all the steel upright columns 2 are fixed by a plurality of purlins 3 except the personnel inlets and outlets; the fixed tracks are arranged in double rows, the two rows are respectively positioned at the lower sides of straight lines formed by the steel upright posts 2, the foundation of the fixed tracks is positioned at the outer sides of the left and right vertical walls, and the tracks are light steel rails and are fixed by fixing pressing plates through galvanized expansion bolts; a plurality of lighting facilities and temperature control equipment are arranged in a space formed by the plant main body frame and the enclosure structure, the temperature control equipment comprises at least one warm air blower arranged on a front gable wall and a rear gable wall respectively and at least two warm air blowers arranged on a left vertical wall and a right vertical wall respectively, all the warm air blowers are correspondingly provided with independent warm air blower switch boxes 9, the left vertical wall and the right vertical wall are respectively provided with at least three axial flow fans 10, the lighting facilities are respectively positioned on the peripheral wall surfaces, and a lighting switch box is arranged on the wall surface on one side of the lighting facilities; a distribution box 16 and an intelligent control switch box 17 are also arranged on the wall surface on one side; the intelligent temperature monitoring system comprises a data acquisition part, a data processing part and an execution terminal, wherein the data acquisition part comprises a plurality of sensors and is used for acquiring the temperature and humidity of the environment, the carbon monoxide gas and the temperature inside and outside the concrete, the data processing part comprises a central processing unit and is used for processing the acquired data, the data processing part sends a command to the execution terminal, and the execution terminal comprises an acousto-optic alarm, a flexible starting ventilation system and a short message alarm system.

In this embodiment, the plane size of the mobile maintenance shop is 22m × 30 m; the steel upright 2 is a steel pipe with the diameter of 219mm multiplied by 8 mm; the roof purline 21 is a galvanized square tube with the thickness of 40mm, 80mm and 2 mm; the rock wool wallboards of all the front and rear gable walls and the left and right vertical walls are fireproof rock wool boards with the thickness of 5cm, the distance between the rock wool wallboards and the ground is 1.5m, and the space between the lower part of each rock wool wallboard and the ground is a rainproof rock wool tarpaulin with the thickness of 30 mm; the light-transmitting tiles are arranged at intervals of 4m on the ceiling and used as main light-collecting sources in the daytime, 8 pouring windows are reserved on the ceiling, the size of each window is 2.7m multiplied by 1.8m, and the ceiling is sealed by using rainproof awning cloth under the condition of rain; the light steel rail is made of Q235-55Q, and the specification of the steel rail is 12 kg/m; the fan heater is a fuel fan; and a plurality of dry powder extinguishers are respectively arranged at the front and rear gable walls and the left and right vertical walls.

The embodiment specifically operates as follows: assembling all the steel upright posts 2, the roof girders 1 and the roof purlins 21 according to standards, simultaneously fixing the roof girders 1 by using round steel tensioning cross supports 4, reinforcing the steel upright posts 2 by using cross supports 5, laying a fixed track below a straight line formed by the steel upright posts 2, and then clamping wheels 6 below the steel upright posts 2 on the track, thereby completing the main frame of the plant; a ceiling is erected above the roof beam 1, thick blue color steel plates are adopted, a light-transmitting tile is arranged at intervals of 4m and serves as a main light-collecting source in the daytime, and 8 pouring windows are uniformly formed; then, the rock wool wall boards 7 are adopted to enclose and block along the outer sides of the row of steel upright posts 2 and below the roof girder 1 to form a front gable wall, a rear gable wall, a left upright wall and a right upright wall, the rock wool wall boards 7 are enabled to be installed with rainproof rock wool tarpaulins 8 at the height of 1.5m away from the ground, and all the steel upright posts 2 except personnel entrances and exits are fixed by purlins 3; after the installation is finished, facilities such as illumination, electric, fire control and monitoring are installed in the workshop, after all installation is finished, the construction of a 1000kVGIS foundation can be carried out in the workshop, pouring is carried out through a pouring window, after the construction is finished, the whole mobile workshop can be moved to the position of the next construction along a fixed rail, and then foundation construction is carried out again.

Although the areas where the greenhouse doors 12 are arranged are different, the arrangement of the greenhouse doors 12 can be adjusted according to actual needs, and the arrangement is not fixed or limited, but the principle is the same.

The scope of the invention is not limited to the above embodiments, and various modifications and changes may be made by those skilled in the art, and any modifications, improvements and equivalents made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a concrete winter construction is with portable maintenance workshop which characterized in that: the intelligent temperature monitoring system comprises a plant main body frame, a fixed track, lighting facilities, an enclosure structure and an intelligent temperature monitoring system, wherein the fixed track is positioned at the bottom of the plant main body frame; the intelligent temperature monitoring system collects sensing data and gives an alarm under abnormal conditions;

the plant main body framework comprises a plurality of roof girders (1), steel columns (2) and roof purlins (21) which are arranged in parallel, two ends of each roof girder (1) are fixedly connected with one vertical steel column (2), adjacent roof girders (1) are mutually connected through a plurality of roof purlins (21) and a plurality of groups of round steel tensioning cross supports (4), adjacent steel columns (2) are fixedly connected through the cross supports, each roof girder (1) is formed by fixedly connecting a plurality of triangular steel beams, and the top of each roof girder is arched; the bottom parts of all the steel upright posts (2) are connected with wheels (6), and the wheels (6) are clamped on the fixed track;

the building enclosure structure comprises a ceiling and a vertical wall, the ceiling is fixed on the roof beam (1) and the upper part of a roof purline (21), the ceiling is a thick blue color steel plate, and a light-transmitting tile is arranged at a certain distance and a plurality of pouring windows are uniformly arranged; the vertical walls comprise a front and a rear gable walls below the roof beam (1) and a left and a right vertical walls at two sides, the left and the right vertical walls are fixed at the outer sides of all the steel vertical columns (2), personnel inlets and outlets are formed in the front and the rear gable walls and the left and the right vertical walls, the upper parts of the front and the rear gable walls and the left and the right vertical walls except the personnel inlets and outlets are rock wool wallboards (7), the lower parts of the front and the rear gable walls and the left and the right vertical walls except the personnel inlets and outlets are rain-proof rock wool tarpaulins (8), and all the steel vertical columns (2) are fixed by a plurality of purlins (3) except the personnel inlets and outlets of the left and the right vertical walls;

the fixed tracks are arranged in double rows, the two rows are respectively positioned at the lower sides of straight lines formed by the steel upright posts (2), the foundation of the fixed tracks is positioned at the outer sides of the left and right upright walls, and the tracks are light steel rails and are fixed by fixing pressing plates through galvanized expansion bolts;

a plurality of lighting facilities and temperature control equipment are arranged in a space formed by the plant main body frame and the enclosure structure, the temperature control equipment comprises at least one warm air blower arranged on a front gable wall and a rear gable wall respectively and at least two warm air blowers arranged on a left vertical wall and a right vertical wall respectively, all the warm air blowers are correspondingly provided with independent warm air blower switch boxes (9), the left vertical wall and the right vertical wall are respectively provided with at least three axial flow fans (10), the lighting facilities are respectively positioned on the peripheral wall surfaces, and the wall surface on one side of the lighting facilities is provided with a lighting switch box; a distribution box (16) and an intelligent control switch box (17) are also arranged on the wall surface on one side;

the intelligent temperature monitoring system comprises a data acquisition part, a data processing part and an execution terminal, wherein the data acquisition part comprises a plurality of sensors and is used for acquiring the temperature and humidity of the environment, the carbon monoxide gas and the temperature inside and outside the concrete, the data processing part comprises a central processing unit and is used for processing the acquired data, the data processing part sends a command to the execution terminal, and the execution terminal comprises an acousto-optic alarm, a flexible starting ventilation system and a short message alarm system.

2. The mobile maintenance workshop for concrete winter construction according to claim 1, wherein the mobile maintenance workshop comprises: the plane size of the movable maintenance workshop is 22m multiplied by 30 m.

3. The mobile maintenance workshop for concrete winter construction according to claim 1, wherein the mobile maintenance workshop comprises: the steel upright posts are made of steel pipes with the diameter of 219mm multiplied by 8 mm.

4. The mobile maintenance workshop for concrete winter construction according to claim 1, wherein the mobile maintenance workshop comprises: the roof purline (21) is a galvanized square tube with the thickness of 40mm multiplied by 80mm multiplied by 2 mm.

5. The mobile maintenance workshop for concrete winter construction according to claim 1, wherein the mobile maintenance workshop comprises: the rock wool wallboards of all front and back gable walls and left and right vertical walls are fireproof rock wool boards with the thickness of 5cm, the distance between the rock wool wallboards and the ground is 1.5m, and the space between the lower part of each rock wool wallboard and the ground is rainproof rock wool tarpaulin with the thickness of 30 mm.

6. The mobile maintenance workshop for concrete winter construction according to claim 1, wherein the mobile maintenance workshop comprises: every 4m apart of ceiling sets up a printing opacity tile as daytime mainly adopt the light source, and the ceiling keeps setting up 8 and pours the window, and the window size is 2.7 mx 1.8m, and adopts rain-proof tarpaulin to seal under the rainy condition.

7. The mobile maintenance workshop for concrete winter construction according to claim 1, wherein the mobile maintenance workshop comprises: the light steel rail is made of Q235-55Q, and the specification of the steel rail is 12 kg/m.

8. The mobile maintenance workshop for concrete winter construction according to claim 1, wherein the mobile maintenance workshop comprises: the fan heater is a fuel fan.

9. The mobile maintenance workshop for concrete winter construction according to claim 1, wherein the mobile maintenance workshop comprises: in the movable maintenance workshop, a plurality of dry powder extinguishers are respectively arranged at all the front and rear gable walls and the left and right vertical walls.