Railway tunnel construction device based on BIM technology

Abstract

The application provides a railway tunnel construction device based on BIM technology, solves the problems that circulation ventilation cannot be realized, air cannot be purified and treated, and the purification device cannot be cleaned in time during ventilation of the railway tunnel, and the railway tunnel construction device comprises a tunnel body, front and rear support frames are fixedly connected to the front and rear ends of the tunnel body respectively, sliding rails are formed in the front and rear support frames, a purification filter screen is detachably connected between the sliding rails, guide sliding rails are fixedly connected to the inner sides of the front and rear support frames, rolling wheels are rotatably connected in the guide sliding rails, drive gears are coaxially fixedly connected to the inner sides of the tunnel body and close to the rolling wheels, guide racks that are engaged with the drive gears are fixedly connected to the guide sliding rails, a connecting shaft is fixedly connected between the two drive gears, and a filter screen cleaning device that is attached to the purification filter screen is rotatably connected to the connecting shaft, and the railway tunnel construction device has a delicate structure and high practicability.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of railway tunnel construction, in particular to a railway tunnel construction device based on BIM technology. BACKGROUND

[0002] With the rapid development of railway, highway and water diversion engineering construction in China, there are more and more super-long and long tunnels, in order to add excavation surface to realize rapid construction, most of them adopt the construction method of setting up inclined shaft auxiliary tunnel, usually there are multiple operation surfaces under construction at the same time, which belongs to the case of multiple excavation surface parallel construction, after the inclined shaft construction is completed and enters the main tunnel, the multiple excavation surface parallel construction leads to the increase of mechanical equipment put into the tunnel, and a large amount of CO, NO2, dust and other pollutants are produced, which causes serious environmental pollution in the tunnel. With the continuous deepening of tunnel excavation, the construction environment will further deteriorate, which becomes one of the biggest problems in tunnel construction ventilation, so the construction ventilation becomes one of the key factors affecting the construction of such tunnel projects.

[0003] However, at present, there are several problems in the ventilation of railway tunnel construction process:

[0004] 1. In the process of tunnel ventilation, ventilation pipe is mostly used for ventilation, which does not have the function of purifying air and treating harmful gas;

[0005] 2. Relying on natural conditions for ventilation, it cannot effectively realize the circulation of air flow and ensure the circulation of gas;

[0006] 3. In the process of filtering and treating air, the filter screen cannot be cleaned in time, and the dust after cleaning cannot be recycled and treated in time.

[0007] Therefore, the present application provides a railway tunnel construction device based on BIM technology to solve this problem. SUMMARY

[0008] In view of the above situation, in order to overcome the defects of the prior art, the present application provides a railway tunnel construction device based on BIM technology, which effectively solves the problems that cannot realize circulating ventilation, purify air and clean the purification device in time in the process of ventilating the railway tunnel.

[0009] The present application comprises a tunnel body, the front and rear ends of the tunnel body are fixedly connected with a front support frame and a rear support frame respectively, sliding rails are formed on the front support frame and the rear support frame, a purification filter screen is detachably connected between the sliding rails, an air suction fan is fixedly connected to the upper part of the tunnel body, and air exhaust fans are fixedly connected to the left and right sides of the lower part of the tunnel body.

[0010] The front support frame and the rear support frame are fixedly connected with guide sliding rails, sliding limiting sliding rails are arranged in the guide sliding rails, rolling wheels are rotatably connected in the sliding limiting sliding rails, one of the rolling wheels is an electric rolling wheel, the electric rolling wheel is connected with a power supply, driving gears are coaxially fixedly connected to the rolling wheels close to the inner side of the tunnel body, guide racks are fixedly connected to the guide sliding rails and engaged with the driving gears, a connecting shaft is fixedly connected between the two driving gears, and a filter screen cleaning device is rotatably connected to the connecting shaft and abuts against the purification filter screen.

[0011] Preferably, the filter screen cleaning device comprises a cleaning box rotatably connected to the connecting shaft, support vertical plates are slidably connected to the upper end of the cleaning box, receiving rails are arranged in the upper end of the cleaning box and matched with the support vertical plates, the lower end of the support vertical plates is connected to the receiving rails through springs, a plurality of cleaning rollers are rotatably connected between the two support vertical plates, the cleaning rollers are electric adsorption rollers, and the electric adsorption rollers are connected with a power supply.

[0012] The plurality of cleaning rollers are connected through a chain wheel transmission mechanism, one of the cleaning rollers is connected to a driving motor fixedly connected to the support vertical plate.

[0013] Preferably, a plurality of cleaning scrapers are fixedly connected between the support vertical plates, the cleaning scrapers are in contact with the cleaning rollers, a guide plate is fixedly connected to the support vertical plate below the right end of the cleaning scrapers, the guide plate is inclined to the inside of the cleaning box, and the inside of the cleaning box is low on one side.

[0014] A one-way air valve is fixedly connected to the cleaning box, the one-way air valve is connected to a negative pressure machine fixedly connected to the cleaning box, and the negative pressure machine is connected to the one-way air valve.

[0015] Preferably, a sticking plate is slidably connected to the lower end of the cleaning box, and a storage frame is arranged on the sticking plate.

[0016] Preferably, a plurality of reinforcing rib plates are fixedly connected between the support frame, the purification filter screen and the tunnel body, and a plurality of air holes are arranged in the reinforcing rib plates.

[0017] Preferably, purification bins are fixedly connected to the left and right sides between the lower part of the tunnel body and the purification filter screen, and air pipes arranged in the purification bins are fixedly connected to the air holes on the reinforcing rib plates.

[0018] A plurality of exhaust holes are arranged in the upper part of the purification bin, and the exhaust holes are matched with the gaps of the purification filter screen.

[0019] Preferably, the lower part of the ventilation pipe is provided with a plurality of split holes.

[0020] Preferably, the control module is fixedly connected to the guide rail, and the control module is integrated with a signal emitting unit.

[0021] The present application improves the existing railway tunnel ventilation device, and effectively solves the problem of filtering and dust removal of air in the tunnel by additionally arranging a front support frame, a rear support frame, a sliding rail, a purification filter screen and an exhaust fan; effectively solves the problem of effectively cleaning dust on the filter screen by arranging a guide rail, a sliding limiting rail, a rolling wheel, a driving gear, a guide rack and a filter screen cleaning device; effectively solves the problem of close adhesion of the cleaning roller and the filter screen, and enhances the cleaning effect by arranging a cleaning box, a storage rail and a cleaning roller; effectively solves the problem of collecting dust after cleaning by arranging a cleaning scraper, a guide plate, a one-way air valve and a negative pressure machine; effectively solves the problem of treating collected dust by arranging an adhering plate; effectively solves the problem of purifying waste gas in circulating gas by arranging a purification bin, a ventilation pipe, an exhaust hole and a split hole; and the structure is simple and stable, and has high universality. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a perspective view of the present application.

[0023] Figure 2 It is an internal cross-sectional view of the present application.

[0024] Figure 3 It is a partial view of the purification bin and its connecting parts of the present application.

[0025] Figure 4 It is a partial view of the filter screen cleaning device of the present application.

[0026] Figure 5 It is a cross-sectional view of the filter screen cleaning device of the present application.

[0027] Figure 6 It is a perspective view of the filter screen cleaning device of the present application.

[0028] Figure 7 It is a view of the internal structure of the purification bin of the present application. DETAILED DESCRIPTION

[0029] The foregoing and other technical contents, features and effects of the present application will be described below in conjunction with the accompanying drawings. Figures 1 to 7 The detailed description of the embodiments will be clearly presented. The structural contents mentioned in the following embodiments are all referred to the drawings.

[0030] The various exemplary embodiments of the present application will be described below with reference to the accompanying drawings.

[0031] In this embodiment, the railway tunnel construction device based on BIM technology comprises a tunnel body 1, a front support frame 2 and a rear support frame 3 are fixedly connected to the front and rear ends of the tunnel body 1 respectively, the front support frame 2 and the rear support frame 3 are used to support the subsequent structure, sliding rails 4 are formed in the front support frame 2 and the rear support frame 3, a purification filter screen 5 is detachably connected between the sliding rails 4, the purification filter screen 5 is matched with the inner wall gap of the tunnel body 1, the airflow in the tunnel body 1 passes through the purification filter screen 5 and enters the space between the purification filter screen 5 and the tunnel body 1, the purification filter screen 5 is used to filter the gas, an air suction fan is fixedly connected to the upper part of the tunnel body 1, air exhaust fans are fixedly connected to the left and right sides of the lower part of the tunnel body 1, the air suction fan and the air exhaust fans are connected with a power supply, the circulation of the airflow in the tunnel body 1 is realized through the operation of the air suction fan and the air exhaust fans;

[0032] A guide sliding rail 6 is fixedly connected to the inner side of each of the front support frame 2 and the rear support frame 3, a sliding limiting sliding rail 7 is formed in the guide sliding rail 6, a rolling wheel 8 is rotatably connected to the sliding limiting sliding rail 7, the outer wall of the rolling wheel 8 is matched with the inner wall of the sliding limiting sliding rail 7, so that the rolling wheel 8 can only slide in the sliding limiting sliding rail 7, and the rolling wheel 8 is limited, one of the rolling wheels 8 is an electric wheel, the electric wheel is connected with a power supply, the rotation of the electric wheel is used to realize the sliding of the two rolling wheels 8 in the sliding limiting sliding rail, a drive gear 9 is coaxially fixedly connected to the inner side of the tunnel body 1 close to each of the rolling wheels 8, a guide rack 10 that is engaged with the drive gear 9 is fixedly connected to the guide sliding rail 6, the rolling wheel 8 is used to drive the drive gear 9 to rotate, the drive gear 9 rotates and slides along the guide rack 10 under the action of the guide rack 10, a connecting shaft 11 is fixedly connected between the two drive gears 9, the connecting shaft 11 is used to drive the drive gears 9 on the front and rear sides to rotate synchronously, a filter screen cleaning device that is matched with the purification filter screen 5 is rotatably connected to the connecting shaft 11, the sliding of the connecting shaft 11 is used to drive the synchronous sliding of the filter screen cleaning device, in this embodiment, the filter screen cleaning device is a wiping cotton bar that is matched with the purification filter screen 5, and the wiping cotton bar is used to clean the purification filter screen 5;

[0033] In the specific implementation of the embodiment, first, the front support frame 2 and the rear support frame 3 are fixed inside the tunnel body 1, then the guide slide rail 6, the rolling wheel 8, the connecting shaft 11 and the filter screen purification device are combined, then the guide slide rail 6 is fixed on the front support frame 2 and the rear support frame 3, then the exhaust fan and the exhaust fan are started to realize the flow circulation of the gas inside the tunnel body 1, and the air is dusted by the purification filter screen 5, then the power supply of the rolling wheel 8 is started, the rolling wheel 8 rotates to drive the two drive gears 9 to slide around the guide rack 10, thereby driving the filter screen purification device to slide synchronously, the filter screen purification device is in contact with the purification filter screen 5 to realize the cleaning of the purification filter screen 5.

[0034] In the specific implementation of the embodiment, first, the front support frame 2 and the rear support frame 3 are fixed inside the tunnel body 1, then the guide slide rail 6, the rolling wheel 8, the connecting shaft 11 and the filter screen purification device are combined, then the guide slide rail 6 is fixed on the front support frame 2 and the rear support frame 3, then the exhaust fan and the exhaust fan are started to realize the flow circulation of the gas inside the tunnel body 1, and the air is dusted by the purification filter screen 5, then the power supply of the rolling wheel 8 is started, the rolling wheel 8 rotates to drive the two drive gears 9 to slide around the guide rack 10, thereby driving the filter screen purification device to slide synchronously, the filter screen purification device is in contact with the purification filter screen 5 to realize the cleaning of the purification filter screen 5.

[0035] If the cleaning of the purification filter screen 5 is not complete or dust falls off during the cleaning, a new filter screen purification device is provided in the embodiment, specifically, the filter screen cleaning device comprises a cleaning box 12 rotatably connected with the connecting shaft 11, the cleaning box 12 is used to collect dust after cleaning, a support vertical plate 13 is slidably connected to the upper end of the cleaning box 12, a receiving rail 14 is formed in the upper end of the cleaning box 12 and matched with the support vertical plate 13, the lower end of the support vertical plate 13 is connected with the receiving rail 14 through a spring, under the action of the spring and external pressure, the support vertical plate 13 slides up and down in the receiving rail 14, a plurality of cleaning rollers 15 are rotatably connected between the two support vertical plates 13, the cleaning rollers 15 slide up and down synchronously during the up-and-down sliding of the support vertical plates 13, the cleaning rollers 15 are in contact with the purification filter screen 5, the cleaning rollers 15 are electric adsorption rollers, the electric adsorption rollers are connected with power supplies, dust is adsorbed by the electric adsorption rollers to avoid dust flying around during the cleaning process, and a liquid storage bin is fixedly connected to the lower end of the cleaning box 12 to avoid the cleaning box 12 from turning over during the sliding process, the liquid storage bin is filled with a counterweight liquid to keep the cleaning box 12 in a vertical state and prevent the cleaning box 12 from turning over.

[0036] In example three, on the basis of example two, it is necessary to note that when the dust adhered on the cleaning roller 15 reaches a certain thickness, the adhesion effect becomes poor, which hinders the cleaning of the purification filter screen 5. Therefore, this example provides a structure for cleaning the cleaning roller 15. Specifically, a plurality of cleaning scrapers 17 are fixedly connected between the support vertical plates 13, the cleaning scrapers 17 are in contact with the cleaning roller 15, and in the process of rotation of the cleaning roller 15, the dust adhered on the cleaning roller 15 is scraped off by the cleaning scrapers 17. At the same time, the dust is collected by the cleaning box 12. The lower part of each cleaning scraper 17 at the right end is provided with a guide plate 18 fixedly connected with the support vertical plate 13. The guide plate 18 is inclined towards the inside of the cleaning box 12. One side of the inside of the cleaning box 12 is low. The scraped dust is collected and guided by the guide plate 18, so that the scraped dust cannot be turned to the outside, but is guided to the inside of the cleaning box 12 by the guide plate 18.

[0037] The cleaning box 12 is fixedly connected with a one-way air valve 19. The one-way air valve 19 is connected with a negative pressure machine 20 fixedly connected to the cleaning box 12. The negative pressure machine 20 is connected with the one-way air valve 19. The air in the cleaning box 12 is extracted by the negative pressure machine 20, so that the inside of the cleaning box 12 is in a low pressure state. Then, under the low pressure state, the scraped dust automatically slides into the inside of the cleaning box 12. Since the one-way air valve 19 is a one-way valve, the dust cannot be transported to the outside.

[0038] In example four, on the basis of example three, in order to facilitate the cleaning of the dust falling into the cleaning box 12 without disassembling the cleaning box 12, this example provides a regular cleaning structure. Specifically, an adhering plate 21 is slidably connected to the lower end of the cleaning box 12. A storage frame 22 is formed in the adhering plate 21. An adsorption paper is placed in the storage frame 22. An adsorbent is applied to the upper end of the adsorption paper to adsorb the sliding dust, so that the dust cannot fly again. At the same time, only the adsorption paper needs to be replaced to realize the cleaning of the inside of the cleaning box 12.

[0039] In example five, on the basis of example one, in order to enhance the stability of the whole device, a plurality of reinforcing rib plates 23 are fixedly connected between the support frame, the purification filter screen 5 and the tunnel body 1. A plurality of air holes 24 are formed in the reinforcing rib plates 23. The reinforcing rib plates 23 realize the connection of the purification filter screen 5, the front support frame 2 and the rear support frame 3 of the tunnel body 1, so that the integrated connection is more stable. At the same time, air is exchanged through the air holes 24 to ensure the smooth flow of air between the tunnel body 1 and the purification filter screen 5.

[0040] Example six, on the basis of example five, in the process of construction, will produce a certain amount of exhaust gas, generally soluble gas, so this example provides a structure for the treatment of waste gas, specifically, the tunnel body 1 lower part and the purification filter screen 5 between the left and right sides are fixedly connected with the purification bin 25, the purification bin 25 is used for placing solvent, so that the waste gas is dissolved in the purification bin 25, the air pipe 26 placed in the purification bin 25 is fixedly connected with the air hole 24 on the reinforcing rib plate 23, so that the waste gas enters the bottom of the purification bin 25 through the air pipe 26, and is in full contact with the solvent, so as to ensure the full dissolution of the waste gas;

[0041] The upper part of the purification bin 25 is provided with a plurality of exhaust holes 27, the exhaust holes 27 and the purification filter screen 5 are gap matched, so that the purified gas is hit to the outside through the exhaust holes 27, and enters the inside of the tunnel body 1 to circulate.

[0042] Example seven, on the basis of example six, in order to make the gas needing purification and the solvent fully mixed and contacted, the lower part of the air pipe 26 is provided with a plurality of segmentation holes 28, so that the gas is dispersed into the inside of the solvent through the segmentation holes 28, and the effective treatment of the waste gas is realized.

[0043] The control module 29 is fixedly connected on the guide slide rail 6, the control module 29 is used for controlling the exhaust fan, the exhaust fan, the driving motor 16, the rolling wheel 8 and the negative pressure machine 20, at the same time, the air quality detector is installed in the inside of the tunnel body 1, the air quality detector is connected with the control module 29, the signal emitting unit 30 is integrated in the control module 29, and the signal emitting unit 30 is used for conveying signals to the outside.

[0044] In specific use of the present application, first, the front support frame 2 and the rear support frame 3 are fixed inside the tunnel body 1, then the guide slide rail 6, the rolling wheel 8 connecting shaft 11 and the filter screen purification device, purification bin 25 and other structures are combined, then the guide slide rail 6 is fixed on the front support frame 2 and the rear support frame 3, then the exhaust fan and the exhaust fan are started, the gas flow circulation inside the tunnel body 1 is realized, at the same time, the air is dusted by the purification filter screen 5, the dusted air enters the purification bin 25 through the air pipe 26, then after waste gas treatment, it is hit to the outside through the exhaust hole 27, then the power of the rolling wheel 8 is started, the rolling wheel 8 rotates, drives the two drive gears 9 to slide around the guide rack 10, and further drives the filter screen purification device to slide synchronously, the cleaning roller 15 contacts the purification filter screen 5, realizes the cleaning of the purification filter screen 5, at the same time, the dust is adsorbed, then the dust is scraped off through the cleaning scraper 17, at the same time, the control module 29 starts the negative pressure machine 20, so that the cleaning box 12 is in a negative pressure state, at the same time, the scraped dust falls on the adsorption plate 21, realizes the collection of the dust.

Claims

1. A railway tunnel construction device based on BIM technology, comprising a tunnel body (1), characterized in that, The front and rear ends of the tunnel body (1) are fixedly connected to a front support frame (2) and a rear support frame (3) respectively. Sliding rails (4) are provided on the front support frame (2) and the rear support frame (3). Purification filters (5) are detachably connected between the sliding rails (4). An exhaust fan is fixedly connected to the upper part of the tunnel body (1). Exhaust fans are fixedly connected to the left and right sides of the lower part of the tunnel body (1). The front support frame (2) and the rear support frame (3) are both fixedly connected to the inner side of the guide slide rail (6). The guide slide rail (6) is provided with a sliding limit slide rail (7). The sliding limit slide rail (7) is rotatably connected to a rolling wheel (8). One of the rolling wheels (8) is an electric wheel. The electric wheel is connected to an external power source. The rolling wheel (8) is coaxially fixedly connected to the inner side of the tunnel body (1). The guide slide rail (6) is fixedly connected to a guide rack (10) that meshes with the driving gear (9). The two driving gears (9) are fixedly connected to a connecting shaft (11). The connecting shaft (11) is rotatably connected to a filter cleaning device that fits against the purification filter (5). The filter cleaning device includes a cleaning box (12) rotatably connected to the connecting shaft (11). The cleaning box (12) has a support plate (13) slidably connected to the front and rear sides of the upper end. The cleaning box (12) has a storage rail (14) that cooperates with the support plate (13) at the upper end. The lower end of the support plate (13) is connected to the storage rail (14) by a spring. Several cleaning rollers (15) are rotatably connected between the two support plates (13). The cleaning rollers (15) are all electro-adsorption rollers and are all externally powered. Several cleaning rollers (15) are connected by a sprocket drive mechanism, and one of the cleaning rollers (15) is connected to a drive motor (16) fixedly connected to the support vertical plate (13); A number of cleaning scrapers (17) are fixedly connected between the support vertical plates (13). The cleaning scrapers (17) are all in contact with the cleaning roller (15). A guide plate (18) fixedly connected to the support vertical plate (13) is placed below the cleaning scraper (17) on the right end. The guide plate (18) is inclined towards the inside of the cleaning box (12). A one-way vent valve (19) is fixedly connected to the cleaning box (12). The one-way vent valve (19) is connected to a negative pressure machine (20) fixedly connected to the cleaning box (12). The negative pressure machine (20) is connected to the one-way vent valve (19). The cleaning box (12) is slidably connected to the bottom left and right with an adhesive plate (21), and a storage frame (22) is provided on the adhesive plate (21).

2. The railway tunnel construction device based on BIM technology according to claim 1, characterized in that, A number of reinforcing ribs (23) are fixedly connected between the support frame, the purification filter (5) and the tunnel body (1), and a number of ventilation holes (24) are provided on the reinforcing ribs (23).

3. The railway tunnel construction device based on BIM technology according to claim 2, characterized in that, The left and right sides between the tunnel body (1) lower part and the purification filter screen (5) are fixedly connected with purification bins (25), and the air vents (24) on the reinforcing rib plates (23) are fixedly connected with air pipes (26) placed in the purification bins (25). The upper part of the purification bin (25) is provided with a plurality of exhaust holes (27), and the exhaust holes (27) are in gap cooperation with the purification filter screen (5).

4. The railway tunnel construction device based on BIM technology according to claim 3, characterized in that, The lower part of the air pipe (26) is provided with a plurality of segmentation holes (28).

5. The railway tunnel construction device based on BIM technology according to any one of claims 1-3, characterized in that, The control module (29) is fixedly connected to the guide sliding rail (6), and the signal emitting unit (30) is integrated in the control module (29).

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