CN210460754U

CN210460754U - Tunnel removes synthesizes desilting platform truck

Info

Publication number: CN210460754U
Application number: CN201921279627.XU
Authority: CN
Inventors: 刘国栋; 崔洪谱; 张维; 孙恒; 潘真
Original assignee: CCCC Second Harbor Engineering Co
Current assignee: CCCC Second Harbor Engineering Co
Priority date: 2019-08-08
Filing date: 2019-08-08
Publication date: 2020-05-05
Anticipated expiration: 2029-08-08

Abstract

The utility model provides a tunnel moving comprehensive dredging trolley, which comprises a trolley, wherein the trolley is arranged on a trolley guide rail and moves along the trolley guide rail, a dredging device is arranged on the trolley, and the dredging device is connected with a pressure water pipe and is used for washing and dredging silt; still be equipped with row's mud system, row's mud system includes suction tube, suction pump and mud processing system, and the suction tube is connected with the import of suction pump, and the export of suction pump is connected with mud processing system. When in use, the trolley is pulled to a dredging place and is provided with a mudguard; stirring by a dredging drill, forming slurry by matching with water flow flushing, starting a suction pump, sucking the slurry in front of a mud guard into a centrifugal screen, separating out particles with the particle size of more than 3mm, and discharging the particles to a transport trolley; the slurry of the centrifugal screen machine is conveyed to a vibrating screen through a slurry pump, the vibrating screen screens out particles with the particle size of more than 80 microns and discharges the particles to a transport trolley, and the slurry under the screen of the vibrating screen is conveyed to a slurry box and is used as washing water after being treated.

Description

Tunnel removes synthesizes desilting platform truck

Technical Field

The utility model relates to a tunnel engineering construction field, especially a tunnel removes synthesizes desilting platform truck.

Background

In the field of subway tunnel construction, shield construction has been widely used. Accidents such as burying a tunnel with silt and collapsing a formed tunnel in shield construction happen occasionally due to geological disasters, improper application of technical measures, poor management and the like.

At the present stage, after-disaster treatment of accidents such as tunnel burying by most of silt and collapse of a formed tunnel generally depends on manual work to clean by means of small machines, but the cleaning efficiency is low, the labor cost and the cost are high, and the safety is low.

CN201820261014.2 wisdom piping lane maintenance equipment with dewatering and desilting function, this equipment are equipped with the unit that absorbs water, but the mud delivery volume that the desilting in-process produced is big, and the pipeline is longer, and is not very suitable for the longer tunnel of length.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a tunnel removes synthesizes desilting platform truck is provided, can realize the tunnel desilting with lower cost and higher security, the mud of clearance can be through handling the back and transport out the tunnel, avoids setting up longer pipeline, and the hydroenergy of clearance in-process can enough recycle, reduces the water supply in the tunnel and arranges thick liquid pressure by a wide margin, reduces the energy consumption.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: a tunnel moving comprehensive dredging trolley comprises a trolley, wherein the trolley is arranged on a trolley guide rail and moves along the trolley guide rail, a dredging device is arranged on the trolley and is connected with a pressure water pipe for washing and dredging silt;

still be equipped with row's mud system, row's mud system includes suction tube, suction pump and mud processing system, and the suction tube is connected with the import of suction pump, and the export of suction pump is connected with mud processing system.

In the preferred scheme, the dredging device is a dredging drill, and the structure of the dredging drill is as follows: the base is provided with a hydraulic motor, a penetrating shaft of the hydraulic motor is connected with the spray pipe, and the base is also provided with a water inlet which is communicated with the penetrating shaft of the hydraulic motor through a rotary sealing joint;

the outer wall of the spray pipe is also fixedly connected with a plurality of dredging blades.

In a preferable scheme, a mudguard is further arranged at the front part of the trolley, and the mudguard and the bottom surface and two sides of the tunnel form a sealing structure;

the suction pipe is communicated with the front of the mudguard.

In the preferred scheme, the structure of the mudguard comprises a box-shaped plate, a cavity structure is arranged in the box-shaped plate, a grid is arranged on the front end surface of the box-shaped plate, and a suction pipe is connected with the back surface of the box-shaped plate and communicated with the cavity structure;

flexible sealing baffles are arranged on the two sides and the bottom surface of the box-shaped plate.

In the preferred scheme, a mechanical arm is further arranged at the front end of the trolley, and a rotating base of the mechanical arm is fixedly connected with the bottom surface of the top of the trolley;

the arm is 3~4 joints, and the front end of arm is equipped with a plurality of removable desilting instruments, the desilting instrument include desilting brill, bucket, quartering hammer and suction tube.

In a preferable scheme, the front end of the trolley is also provided with a muck lifting device which is used for lifting the muck which cannot be processed by the suction pipe to the trolley for processing.

In a preferable scheme, the system is further provided with a slurry treatment system, and the slurry treatment system comprises a sedimentation tank and mud-water separation equipment which are arranged outside the tunnel.

In the preferred scheme, still be equipped with mud processing system, mud processing system is including setting up the centrifugal screen (ing) machine on the platform truck, and the oversize of centrifugal screen (ing) machine is connected with the transport trolley that is located the inboard current of platform truck, and the undersize of centrifugal screen (ing) machine is connected with the import of shale shaker, and the below of shale shaker is equipped with the mud case, and the export of mud case corresponds with the transport trolley, and the mud case still passes through the entry linkage of pipeline and flush pump.

A method for moving the comprehensive dredging trolley by adopting the tunnel comprises the following steps:

s1, the trolley is a portal trolley, the trolley is pulled to a dredging place by a traction trolley or a transport trolley positioned on the inner side of the trolley, and a mud guard is arranged to block mud generated by dredging;

s2, stirring by a dredging drill, flushing a dredging place by matching with water flow to form slurry, starting a suction pump, sucking the slurry in front of a mud guard into a centrifugal screen, separating particles with the particle size of more than 3mm, and discharging the particles to a transport trolley;

slurry of the centrifugal screen machine is conveyed to a vibrating screen through a slurry pump, the vibrating screen screens out particles with the particle size of more than 80 microns and discharges the particles to a transport trolley, slurry under the screen of the vibrating screen is conveyed to a slurry box, and the slurry in the slurry box is discharged to the transport trolley or is discharged into a clean water tank to be diluted and then is conveyed into a flushing pump to be used as flushing water.

In a preferable scheme, in step S2, in the case of large stones being hit during dredging, the front end of the mechanical arm is replaced by a breaking hammer to break the large stones, then the front end of the mechanical arm is replaced by a bucket to transfer crushed stones to the slag lifting device and send the crushed stones to the centrifugal screen;

the inlet of the centrifugal screen machine is provided with a grid plate net for removing the crushed stones with the length of more than 3 cm.

The utility model provides a pair of dredging trolley is synthesized in tunnel removal is through setting up dredging device and the row's mud device on the trolley to handle discharged mud at the scene, thereby realize efficient tunnel desilting, and can improve the construction security. The combination of the centrifugal screen machine and the vibrating screen can be used for treating the slurry in the tunnel, fine sand with large influence on equipment is separated, the treated slurry can be circularly used for washing and dredging, and the treated residue soil is also convenient to be transported by adopting a transport trolley, so that the energy consumption for transporting clear water and slurry is greatly saved, and the centrifugal screen machine and the vibrating screen are particularly suitable for dredging construction of long tunnels in mountainous areas. The arm and the multiple desilting instrument that set up can deal with the operating mode that forms big stone that collapses, need not personnel's on-the-spot transport, improves the security by a wide margin. The mud guard structure who sets up can conveniently raise the water level of mud, avoids inhaling mud in-process air and enters into in the suction pipe and cause the damage to the pump.

Drawings

The invention will be further explained with reference to the following figures and examples:

fig. 1 is a schematic view of the overall structure of the device of the present invention.

Fig. 2 is a schematic cross-sectional view of a first cart in the apparatus of the present invention.

Fig. 3 is a schematic cross-sectional view of a second cart in the apparatus of the present invention.

Fig. 4 is the structural schematic diagram of the breaking hammer mounted on the middle mechanical arm of the utility model.

Fig. 5 is the structure schematic diagram of the dredging drill installed on the middle mechanical arm of the utility model.

Fig. 6 is a schematic structural view of the dredging drill of the present invention.

Fig. 7 is a schematic sectional view a-a of fig. 6.

Fig. 8 is a schematic top view of the device of the present invention.

Fig. 9 is a schematic view of a part of the mudguard according to the present invention.

Fig. 10 is a block diagram of the overall structure of the device of the present invention.

In the figure: the device comprises a first trolley 1, a mechanical arm 2, a mud guard 3, a flexible sealing baffle 31, a box-type plate 32, a grid 33, a muck lifting device 4, a centrifugal screening machine 5, a vibrating screen 6, a mud box 7, a ventilation pipe 8, a suction pipe 9, a protective ceiling 10, a suction pump 11, a suspension trolley 12, a sliding rail 13, an electric hoist 14, a walking wheel box 15, an external high-pressure water pipe 16, a hydraulic station 17, a generator 18, a diesel engine 19, a traction trolley 20, a second trolley 21, a trolley guide rail 22, a trolley guide rail 23, a transport trolley 24, a flushing pump 25, a breaking hammer 26, a dredging drill 27, a water inlet 271, a hydraulic motor 272, an oil port 273, a spray pipe 274, a drill 275, a dredging blade 276, a rotary sealing joint 277, a base 278, a tunnel 28, a clean water tank 29 and a digging bucket 30.

In a particular embodiment, the method comprises the following steps,

example 1:

as shown in fig. 1 to 3, a tunnel moving comprehensive dredging trolley comprises a trolley, wherein the trolley is arranged on a trolley guide rail 23 and moves along the trolley guide rail 23, and a dredging device is arranged on the trolley and is connected with a pressure water pipe for washing and dredging silt;

preferably, as shown in fig. 1, the trolley in this example comprises a first trolley 1 and a second trolley 21 connected to each other, whereby the structure facilitates separation of the power plant from the mud handling system to avoid interference. A carriage rail 23 for running the first carriage 1 and the second carriage 21 is laid on the bottom of the tunnel 28. A plurality of traveling wheel boxes 15 are provided at the bottom of the first carriage 1 and the second carriage 21, and the traveling wheel boxes 15 travel along carriage rails 23. Slide rails 13 are provided at positions near the bottom of the first carriage 1 and the second carriage 21, and a plurality of electric hoists 14 are provided on the slide rails 13, and this structure is used to convey the carriage rails 23 at the rear to the front. The front in this example refers to the left side in fig. 1. The first trolley 1 and the second trolley 21 are in a portal structure, a trolley guide rail 22 is further arranged on the ground of a tunnel 28 in the middle of the portal, and the traction trolley 20 and the transport trolley 24 run along the trolley guide rail 22.

The sludge discharging system is further arranged and comprises a suction pipe 9, a suction pump 11 and a sludge treatment system, the suction pipe 9 is connected with an inlet of the suction pump 11, and an outlet of the suction pump 11 is connected with the sludge treatment system. With this structure, by washing and sucking the slurry, most of the sludge can be cleaned.

The preferable scheme is as shown in fig. 5-7, the dredging device is a dredging drill 27, and the dredging drill 27 has the structure that: the base 278 is provided with a hydraulic motor 272, a penetrating shaft of the hydraulic motor 272 is connected with the spray pipe 274, the base 278 is also provided with a water inlet 271, and the water inlet 271 is communicated with the penetrating shaft of the hydraulic motor 272 through a rotary sealing joint 277;

the outer wall of the nozzle 274 is also fixedly connected to a plurality of dredging vanes 276. With the structure, the rotating dredging blades 276 can break up hardened mud blocks and accelerate the mud blocks into mud in the process of flushing, so that the mud can be sucked conveniently. Thereby improving the dredging efficiency. The dredging drill 27 in this example is generally tapered and can be mounted at the end of the robot arm 2 from which it operates. The labor intensity of workers is reduced.

In a preferable scheme, as shown in figures 8 and 9, a mudguard 3 is further arranged at the front part of the trolley, and the mudguard 3 forms a sealing structure with the bottom surface and two sides of the tunnel 28;

the suction pipe 9 communicates with the front of the fender 3. The front of this example refers to the left side in fig. 1. The structure of the mud guard 3 in this example can raise the level of the mud and prevent air from entering the suction pipe 9 and damaging the suction pump 11.

Preferably, as shown in fig. 9, the structure of the mudguard 3 comprises a box-shaped plate 32, a cavity structure is arranged in the box-shaped plate 32, a grid 33 is arranged on the front end surface of the box-shaped plate 32, and the suction pipe 9 is connected with the back surface of the box-shaped plate 32 and is communicated with the cavity structure;

flexible sealing flaps 31 are provided on both sides and the bottom of the box-type panel 32. With this structure, it is ensured that only the slurry enters the suction pipe 9, and the arrangement is very convenient.

In a preferred scheme, as shown in fig. 1, a mechanical arm 2 is further arranged at the front end of the trolley, and a rotating base of the mechanical arm 2 is fixedly connected with the bottom surface of the top of the trolley; the robot arm 2 can swing left and right at the front end of the carriage.

Arm 2 is 3~4 joints, because the tunnel inner space is comparatively narrow and small, consequently adopts 4 articular structures, can be more nimble, the front end of arm 2 is equipped with a plurality of removable desilting instruments, the desilting instrument include that desilting bores 27, bucket, quartering hammer 26 and suction tube 9. The excavator bucket is a universal excavator bucket. The breaking hammer 26 is a hydraulically-excited breaking hammer.

In a preferable scheme, the front end of the trolley is also provided with a muck lifting device 4 for lifting the muck which cannot be processed by the suction pipe 9 to the trolley for processing. The cooperation of dregs hoisting device 4 and arm 2 and bucket can be with the quick clean up of dregs.

In a preferable scheme, the system is further provided with a slurry treatment system, and the slurry treatment system comprises a sedimentation tank and mud-water separation equipment which are arranged outside the tunnel. The mud is processed by the mud processing system outside the tunnel, so that the working condition that the depth of the tunnel is not long is met.

The preferable scheme is as shown in figures 1-3 and 10, the device is further provided with a slurry treatment system, the slurry treatment system comprises a centrifugal screen 5 arranged on the trolley, the screen of the centrifugal screen 5 is connected with a transport trolley 24 which is positioned on the inner side of the trolley and passes through, undersize of the centrifugal screen 5 is connected with an inlet of a vibrating screen 6, a slurry box 7 is arranged below the vibrating screen 6, an outlet of the slurry box 7 corresponds to the transport trolley 24, and the slurry box 7 is further connected with an inlet of a flushing pump 25 through a pipeline. By the structure, the pumped mud is separated by the centrifugal screen 5 and then separated by the vibrating screen 6, so that solid matters can be conveniently conveyed out, and the separated mud can be diluted to serve as flushing water. Thereby relieving the transportation pressure. Preferably, the irrigation pump 25 and the suction pump 11 in this example are both plunger pumps. Preferably, a multiple plunger pump is used.

There are several solutions for powering the first trolley 1 and the second trolley 21, one of which is to introduce external electric power, by which the various devices, such as the electric block 14, the muck lifting device 4, the centrifugal screen 5, the vibrating screen 6, the suction pump 11, the flushing pump 25 and the hydraulic station 17 are driven.

The arrangement of the power supply may be difficult due to the burying and collapse of the tunnel. In another alternative scheme, as shown in fig. 10, a diesel engine 19 is arranged on the second trolley 21, the diesel engine 19 drives the generator 18 to work, the electric power of the generator 18 drives the hydraulic station 17 to work, and the hydraulic station 17 drives the mechanical arm 2, the suction pump 11, the flushing pump 25, the breaking hammer 26, the vibrating screen 6 and the dredging drill 27 to work. The electric power drives the residue soil lifting device 4, the electric hoist, the residue slurry pump and the centrifugal screening machine, and the basic principle of power distribution is that the electric power is adopted as much as possible. For example, the suction pump 11, the flushing pump 25 and the vibrating screen 6 may also be electrically driven.

The top of the first trolley 1 and the top of the second trolley 21 are also provided with a protective ceiling 10, the protective ceiling 10 is formed by welding 14B I-shaped steel, the bottom of a protective grid is connected with the trolleys through flanges, and the installation and the removal are convenient. The opening size of the protective grating is 825 multiplied by 490mm, so that constructors can carry out cutting operation or dredging operation through the protective grating, and the protective grating can prevent heavy objects in a siltation area from collapsing and injuring the constructors and equipment.

Example 2:

during construction, the method for moving the comprehensive dredging trolley by adopting the tunnel comprises the following steps:

and S1, respectively installing each device on the first trolley 1 and the second trolley 21, reliably connecting each device, and detecting the test run. The trolley is a portal trolley, the trolley is pulled to a dredging place by using a traction trolley 20 or a transport trolley 24 positioned on the inner side of the trolley, a mud guard 3 is arranged at the dredging place, and two sides and the bottom surface of the mud guard 3 form sealing with a tunnel 28 so as to block slurry generated by dredging; the trolley guide rails 22 and the trolley guide rails 23 of the first trolley 1, the second trolley 21, the transport trolley 24 and the traction trolley 20 can be detached from the guide rails at the back of the trolleys and are transported to the front of the trolleys for construction through the electric block 14 on the slide rails.

S2, stirring by the dredging drill 27, flushing the dredging place by matching with water flow to form slurry, starting the suction pump 11, sucking the slurry in front of the mud guard 3 into the centrifugal screen machine 5, separating particles with the particle size of more than 3mm, and discharging the particles to the transport trolley 24; the centrifugal screen 5 is a rotating mesh cylinder, and slag enters from one end of the centrifugal screen 5 and is output from the other end. The centrifugal screening machine 5 has higher muck treatment efficiency. A grid plate is arranged at the inlet of the centrifugal screen 5, and can intercept particulate matters larger than 3cm in advance.

Undersize mud of the centrifugal screen machine 5 is conveyed to the vibrating screen 6 through a slurry pump, the vibrating screen 6 screens out particles with the particle size of more than 80 microns and discharges the particles to the transport trolley 24, the undersize mud of the vibrating screen 6 is conveyed to the mud box 7, and the mud in the mud box 7 is discharged to the transport trolley 24 or is discharged into the clear water box 29 to be diluted and then is sent to the washing pump 25 to be used as washing water. The scheme can greatly save the water for treatment, and the water circulation rate can reach more than 50% through measurement and calculation. Namely, half of the cleaning water can be saved.

In a preferable scheme, in step S2, in the case of hitting a large stone during the dredging process, the front end of the mechanical arm 2 is replaced with a breaking hammer 26 to break the large stone, then the front end of the mechanical arm 2 is replaced with a bucket to transfer the crushed stone to the slag lifting device 4 and send the crushed stone to the centrifugal screen machine 5;

the inlet of the centrifugal screening machine 5 is provided with a grid plate net for removing the crushed stones with the length of more than 3 cm. The removed crushed stone is fed into the transport trolley 24. The utility model discloses a scheme result of use is very satisfied in the operating mode that the sand content is greater than 50%. The recovered particles can be recycled as aggregates. The method is particularly suitable for tunnel siltation caused by accidents such as burying tunnels with silt and collapse of formed tunnels.

The above-mentioned embodiments are merely preferred technical solutions of the present invention, and should not be considered as limitations of the present invention, and technical features in the embodiments and examples in the present application may be arbitrarily combined with each other without conflict. The protection scope of the present invention shall be defined by the claims and the technical solutions described in the claims, including the technical features of the equivalent alternatives as the protection scope. Namely, equivalent alterations and modifications within the scope of the invention are also within the scope of the invention.

Claims

1. The utility model provides a tunnel removes synthesizes desilting platform truck which characterized by: the device comprises a trolley, wherein the trolley frame is arranged on a trolley guide rail (23) and moves along the trolley guide rail (23), and a dredging device is arranged on the trolley and is connected with a pressure water pipe and used for washing and dredging silt;

the sludge discharge system is further arranged and comprises a suction pipe (9), a suction pump (11) and a slurry treatment system, the suction pipe (9) is connected with an inlet of the suction pump (11), and an outlet of the suction pump (11) is connected with the slurry treatment system.

2. The tunnel moving comprehensive dredging trolley as claimed in claim 1, wherein: the desilting device is a desilting drill (27), and the structure of the desilting drill (27) is as follows: a hydraulic motor (272) is arranged on the base (278), a penetrating shaft of the hydraulic motor (272) is connected with the spray pipe (274), a water inlet (271) is also arranged on the base (278), and the water inlet (271) is communicated with the penetrating shaft of the hydraulic motor (272) through a rotary sealing joint (277);

the outer wall of the nozzle (274) is also fixedly connected to a plurality of dredging vanes (276).

3. The tunnel moving comprehensive dredging trolley as claimed in claim 1, wherein: a mudguard (3) is also arranged at the front part of the trolley, and the mudguard (3) and the bottom surface and two sides of the tunnel (28) form a sealing structure;

the suction pipe (9) is communicated with the front of the mudguard (3).

4. The tunnel moving comprehensive dredging trolley as claimed in claim 3, wherein: the structure of the mudguard (3) comprises a box-shaped plate (32), a cavity structure is arranged in the box-shaped plate (32), a grid net (33) is arranged on the front end surface of the box-shaped plate (32), and a suction pipe (9) is connected with the back surface of the box-shaped plate (32) and communicated with the cavity structure;

flexible sealing baffles (31) are arranged on two sides and the bottom surface of the box-shaped plate (32).

5. The tunnel moving comprehensive dredging trolley as claimed in claim 1 or 2, wherein: a mechanical arm (2) is further arranged at the front end of the trolley, and a rotating base of the mechanical arm (2) is fixedly connected with the bottom surface of the top of the trolley;

the mechanical arm (2) is 3-4 joints, a plurality of replaceable dredging tools are arranged at the front end of the mechanical arm (2), and each dredging tool comprises a dredging drill (27), a bucket, a breaking hammer (26) and a suction pipe (9).

6. The tunnel moving comprehensive dredging trolley as claimed in claim 5, wherein: and the front end of the trolley is also provided with a muck lifting device (4) for lifting the muck which cannot be processed by the suction pipe (9) to the trolley for processing.

7. A tunnel-moving integrated dredging trolley as claimed in claim 1, 3 or 6, characterized in that: still be equipped with mud processing system, mud processing system is including setting up sedimentation tank and mud-water separation equipment outside the tunnel.

8. A tunnel-moving integrated dredging trolley as claimed in claim 1, 3 or 6, characterized in that: still be equipped with mud processing system, mud processing system is including setting up centrifugal screen (5) on the platform truck, the oversize of centrifugal screen (5) is connected with transport trolley (24) that are located the inboard current of platform truck, the undersize of centrifugal screen (5) is connected with the access connection of shale shaker (6), the below of shale shaker (6) is equipped with mud case (7), the export of mud case (7) corresponds with transport trolley (24), mud case (7) are still through the access connection of pipeline with flush pump (25).