CN114561968A - Intelligent water-jetting mud-absorbing equipment for assisting double-wall steel cofferdam bottom sinking - Google Patents

Abstract

The invention discloses intelligent water jetting and mud sucking equipment for assisting double-wall steel cofferdam bottom sinking, which comprises an intelligent control module, a fixed frame, a reamer device, a side sludge cleaning device, a mud sucking device and a high-pressure water jet device, wherein the reamer device, the side sludge cleaning device, the mud sucking device and the high-pressure water jet device are arranged on the fixed frame and are connected with the intelligent control module, the suction end of the mud sucking device, the water jetting port of the high-pressure water jet device and the reamer of the reamer device are arranged at one end of the fixed frame, and the front end of the reamer exceeds the suction end of the mud sucking device. The equipment provided by the invention has the advantages of simple structure and small volume, can be flexibly moved and used, effectively cleans sludge accumulated between the inner side walls of the cofferdam and at the edge angles of the cofferdam by using a working mode of combining high-pressure water, a reamer and sludge suction, enables the sludge to be broken and collapsed, reduces sinking resistance, and realizes accurate sinking of the double-wall steel cofferdam.

Description

Intelligent water-jetting mud-absorbing equipment for assisting double-wall steel cofferdam bottom sinking

Technical Field

The invention relates to the technical field of cofferdam construction equipment, in particular to intelligent water-jetting and mud-absorbing equipment for assisting the sinking bottom of a double-wall steel cofferdam.

Background

With the rapid development of economy, bridge construction projects in China are developed vigorously. Double-walled steel cofferdams are widely used at the present stage as a temporary underwater infrastructure. However, the double-wall steel cofferdam can be subjected to the resistance of a mud surface in the process of sinking due to the large volume, so that the sinking speed is slow, the construction efficiency is influenced, and the resistance is reduced by mud suction through mud suction equipment.

The existing mud suction equipment is used for sucking mud in the center of a double-wall steel cofferdam, so that a pot bottom shape is formed inside the cofferdam, mud at the edge of the inside of the cofferdam is collapsed to the middle, and the sinking of the cofferdam is assisted. However, when the double-wall steel cofferdam is about to sink to the right position, the bottom of the pot cannot be cleaned downwards continuously, once the double-wall steel cofferdam meets a hard and plastic stratum, the sinking resistance of the cofferdam is increased due to large hardness and large viscosity, and soil at the edge of the inner part of the cofferdam formed by the bottom of the pot, such as silt accumulated at the edge angle, cannot automatically collapse towards the middle, so that the cofferdam cannot sink to the right position, and the construction efficiency is influenced. Because existing equipment can not satisfy the demand that heavy end of large-scale double-walled steel cofferdam under the hard plastic stratum condition, need urgently provide the double-walled steel cofferdam water-jetting soil-absorbing device of supplementary heavy end.

Disclosure of Invention

The invention aims to provide intelligent water jetting and mud sucking equipment for assisting the sinking bottom of a double-wall steel cofferdam, thereby solving the problems.

In order to achieve the purpose, the invention discloses intelligent water jetting and mud sucking equipment for assisting double-wall steel cofferdam bottom sinking, which comprises an intelligent control module, a fixed frame, and a reamer device, a side sludge cleaning device, a mud sucking device and a high-pressure water jet device which are arranged on the fixed frame and connected with the intelligent control module, wherein the suction end of the mud sucking device, the water jetting port of the high-pressure water jet device and the reamer of the reamer device are arranged at one end of the fixed frame, and the front end of the reamer exceeds the suction end of the mud sucking device.

Furthermore, inhale the mud device including inhaling the mud pipe, it includes pipe shaft and cover cage to inhale the mud pipe, the one end of pipe shaft with the cover cage is connected, and the other end sets up to be used for connecting dredge pump, the front end of reamer surpasss the cover cage.

Furthermore, the high-pressure water jet device is arranged on the first side and the second side opposite to the fixing frame and comprises a high-pressure water pipe, a rotating head and a water jet gun head, the water jet gun head is arranged on the rotating head, and the rotating head is arranged on the high-pressure water pipe.

Furthermore, the fixing frame is positioned on the same side of the high-pressure water jet device, and a side sludge cleaning device used for cleaning sludge at the edge of the side surface is installed on the same side of the fixing frame.

Further, side silt cleaning device includes motor, motor cabin, bull stick and tool bit, the motor is installed in the motor cabin, the output shaft of motor with the one end of bull stick is connected, the tool bit is installed the other end of bull stick.

Furthermore, the reamer device is arranged on the third side and the fourth side opposite to the fixed frame, the reamer device further comprises a motor, and the reamers are detachably arranged on an output shaft of the motor.

Furthermore, the reamer is a hard alloy cutter with a rotary axis capable of being adjusted according to the use situation.

Further, the mount includes double-spliced I-steel and second welding plate, the second welding plate is along the length direction of double-spliced I-steel is laid, just the both ends of second welding plate with the I-steel rigid coupling of double-spliced I-steel's relative setting, the suction dredge set up in the inner region that double-spliced I-steel encloses and follow round hole on the second welding plate passes.

Furthermore, the welding device further comprises a plurality of first welding plates distributed along the length direction of the double-spliced I-shaped steel, the first welding plates are fixedly connected to two sides of the double-spliced I-shaped steel, and the high-pressure water pipe penetrates through a circular hole of the first welding plates.

Further, the intelligent control module comprises an analysis module, and a control module and a scanning module which are connected with the analysis module, wherein:

the control module is used for controlling the mud pump, the reamer device, the side sludge cleaning device, the high-pressure water jet device switch and the rotation of the rotating head;

the scanning module is used for transmitting and receiving ultrasonic signals and transmitting the acquired time data to the analysis module;

And the analysis module is used for converting the received time data into distance information to form an underwater three-dimensional topographic map, and further determining the positions of mud stirring and mud sucking and the angle of water jetting through analysis.

Compared with the prior art, the invention has the advantages that:

the water jetting and mud sucking equipment can realize the work of stirring, water flow smashing, mud sucking and the like towards an underwater stratum. The reamer of the reamer device exceeds the suction end of the mud suction device to act on an underwater stratum in advance of the mud suction pipe, so that sludge and agglomerates with larger volume in the underwater stratum are crushed and then enter the suction end, and the mud suction device is prevented from being blocked; the equipment provided by the invention has the advantages of simple structure and small volume, can be flexibly moved and used, effectively cleans sludge accumulated between the inner side walls of the cofferdam and at the edge angles of the cofferdam by using a working mode of combining high-pressure water, a reamer and sludge suction, enables the sludge to be broken and collapsed, reduces sinking resistance, and realizes accurate sinking of the double-wall steel cofferdam. Furthermore, when different stratums are met, in order to improve the efficiency, the cutter head can be replaced in time, and the power and the working sequence of each device can be adjusted through computer control, so that the safety and the efficiency are ensured. If the hardness of the stratum at the designed elevation of the cofferdam is high and the viscosity is high, the soil body at the edge of the inner part of the cofferdam cannot automatically collapse after the bottom of a boiler is formed, so that the cofferdam cannot accurately sink in place. Then start side silt cleaning device, through the direction of adjustment squirt rifle head, carry out works such as stirring garrulous, rivers hit garrulous to the accumulational earth of cofferdam edge angle department simultaneously, cooperate reamer device and suction dredge to clear up.

The present invention will be described in further detail below with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings:

FIG. 1 is a schematic overall structure diagram of a water-jetting and mud-sucking device suitable for underwater complex formations, which is disclosed by the preferred embodiment of the invention;

FIG. 2 is a schematic structural diagram of a mud suction pipe in the intelligent water jetting and mud sucking device suitable for underwater complex strata, which is disclosed by the preferred embodiment of the invention;

FIG. 3 is a schematic structural diagram of a fixing frame in the intelligent water jetting and mud sucking device suitable for underwater complex strata, which is disclosed by the preferred embodiment of the invention;

FIG. 4 is a schematic structural diagram of a reamer device in the intelligent water jetting and mud sucking device suitable for underwater complex formations, which is disclosed by the preferred embodiment of the invention;

FIG. 5 is a schematic structural diagram of a high-pressure water jet device in the intelligent water jetting and mud sucking equipment suitable for underwater complex formations, which is disclosed by the preferred embodiment of the invention;

fig. 6 is a schematic structural diagram of a side sludge cleaning device in the intelligent water jetting and mud sucking device suitable for underwater complex strata, which is disclosed by the preferred embodiment of the invention.

Illustration of the drawings:

1. a suction dredge pipe; 11. a pipe body; 12. covering a cage; 2. a fixed mount; 21. double-spliced I-shaped steel; 22. a first weld plate; 23. a second weld plate; 3. a reamer device; 31. a reamer motor; 32. a reamer; 4. a high pressure water jet device; 41. a high pressure water pipe; 42. rotating the head; 43. a water-jet gun head; 5. a side sludge cleaning device; 51. a side dredging motor; 52. a motor compartment; 53. a rotating rod; 54. a cutter head.

Detailed Description

The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.

As shown in fig. 1-6, the invention discloses an intelligent water jetting and mud sucking device for assisting double-wall steel cofferdam bottom sinking, which comprises a fixed frame 2, an intelligent control module, a reamer device 3, a side sludge cleaning device 5, a mud sucking device (mainly a mud sucking pipe 1 communicated with a mud sucking pump) and a high-pressure water jet device 4 communicated with high-pressure water supply equipment, wherein the reamer device 3, the side sludge cleaning device 5, the mud sucking device and the high-pressure water jet device 4 are controlled by the intelligent control module. The input of suction pipe 1 and the tip of reamer device 3 lie in the same one side of mount 2, and the orientation is the same, and the tip of reamer 32 of reamer device 3 surpasss the tip of suction pipe 1 to meet the harder great silt of volume in bottom and caking, can realize earlier broken back suction.

In this embodiment, as shown in fig. 2, the dredge pipe 1 includes a pipe body 11 and a cage 12. The end opening in the pipe body 11, which has the same direction as the reamer device 3, is covered with the cover cage 12, the cover cage 12 can not affect the mud-water mixture to be sucked away by the pipe body 11, and can also effectively prevent caking or other impurities from entering the pipe body 11 to block the mud suction pipe 1, thereby playing a good anti-blocking role. In this embodiment, the housing cage 12 is in a conical shape with a sharp angle outward, and when the caking or the sundries are moved to the housing cage 12 by the mud suction pipe 1, the caking or the sundries will be blocked by the housing cage 12 and then slide to one side along the outer surface of the housing cage 12, so as to prevent the port from being blocked. Specifically, the pipe body 11 is a seamless steel pipe with the outer diameter of 133mm and the wall thickness of 4.5mm, the top of the seamless steel pipe is connected with a dredge pump, and the cover cage 12 is arranged at the water inlet.

In this embodiment, as shown in fig. 3, the reamer device 3, the side sludge cleaning device 5, the sludge suction pipe 1 and the high-pressure water jet device 4 are all fixedly connected to the fixing frame 2. The mount 2 includes double-spliced I-steel 21, first welding plate 22 and second welding plate 23, double-spliced I-steel 21 is formed by two I-steel parallel connection, the butt joint of one side that has the district of dodging of caving in two I-steels is a cavity region, suction pipe 1 passes through second welding plate 23 welded connection in the inside cavity region that double-spliced I-steel 21 encloses, make double-spliced I-steel 21 protect suction pipe 1's structural strength, avoid suction pipe 1 damage to cause invalid work, can also ensure that the shape of pipe shaft 11 does not receive external force to change, prevent situations such as the jam that the buckling caused. In this embodiment, the first welding plate 22 and the second welding plate 23 are both 20mm thick.

In this embodiment, as shown in fig. 3, the first welding plate 22 and the second welding plate 23 are respectively located outside and inside the double-spliced i-beam 21, and circular holes corresponding to the high-pressure water pipe 41 and the pipe body 11 are respectively formed thereon, the high-pressure water pipe 41 is inserted into and welded to the circular hole of the first welding plate 22, and the pipe body 11 is inserted into and welded to the circular hole of the second welding plate 23.

In this embodiment, as shown in fig. 5, the high-pressure water jet device 4 includes four high-pressure water pipes 41, and the four high-pressure water pipes 41 are symmetrically connected to two outer sides of the double-spliced i-beam 21, so that the ejected high-pressure water flow is uniformly distributed relative to the sludge suction pipe 1, the stability of the device is maintained, and the uniformity of the sludge crushing degree is ensured. Further, the high-pressure water pipe 41 is provided with a control valve; the inner diameter of the water outlet of the water-jet gun head 43 is 1.6cm, the water outlet is arranged on the rotating head 42, the angle of the water outlet can rotate along with the rotation of the rotating head 42, and the accurate cleaning of a target area is ensured. In this embodiment, the upper part of the high-pressure water pipe 41 is connected with a high-pressure manifold and a three-phase asynchronous motor to provide power for high-pressure water delivery. The high-pressure water pipe 41 is made of a hollow steel pipe, and has an outer diameter of 60mm and a wall thickness of 3 mm.

In this embodiment, as shown in fig. 1, the reamer device 3 is connected to the lower portion of the outer side of the double-split i-steel 21 by welding. As shown in fig. 4, the reamer device 3 comprises a reamer motor 31 and a reamer 32 made of hard alloy, the included angle between the rotation axis of the reamer device 3 and the axis of the mud suction pipe 1 can be adjusted according to the actual stratum condition, and the reamer 32 can be replaced according to the stratum condition so as to improve the mud stirring rate and effect. Meanwhile, in the rotation process, the crushed sludge and water are mixed and can automatically move to the sludge suction pipe 1 under the action of centrifugal force, so that the sludge suction efficiency is improved.

In this embodiment, as shown in fig. 1, the side sludge cleaning device 5 is fixed to the side of the double-spliced i-shaped steel 21 and used for cleaning sludge accumulated at the edge angle of the side. As shown in FIG. 6, a side dredging motor 51 and a rotating rod 53 are arranged inside the motor compartment 52 for protecting the motor from being damaged, the output end of the side dredging motor 51 is rotatably connected with the rotating rod 53 through a belt, and the rotating rod 53 drives a cutter head 54 to rotate for crushing mud.

In this embodiment, the intelligent control module comprises an analysis module, and a control module and a scanning module which are connected with the analysis module, and the control module controls the rotation of the dredge pump, the reamer device 3, the side sludge cleaning device 5, the high-pressure water jet device 4 switch and the rotating head 42, so as to realize the matching work among the devices; the scanning module can transmit and receive ultrasonic signals and transmit the acquired time data to the analysis module; the analysis module can process and analyze the received data, convert the data into distance information, form an underwater three-dimensional topographic map, and further determine the positions of mud stirring and mud sucking and the angle of water jetting through analysis.

When the equipment is used, the equipment is firstly conveyed to the lower part of the water surface through a gantry crane or a truck crane (selected according to field conditions), then the three-dimensional topographic map of the bottom and the side soil body of the cofferdam is obtained through the scanning and analyzing module, and the equipment is slowly moved to ensure that the scanning range covers the whole cofferdam range. The range to be cleaned is then determined from the data and the resulting topographic map analysis. Move the position that needs the clearance with equipment accuracy through portal crane or truck crane, the angle through control module adjustment squirt rifle head 43, aim at blade angle department accumulational silt with tool bit 54 and squirt rifle head 43, open side silt cleaning device 5 and high-pressure water jet device 4, control is penetrated and cutting power and constantly adjusts the clearance position in suitable within range, the angle of penetrating water reaches the clearance standard in order to guarantee blade angle department silt, the clearance scope should not be too big at every turn, prevent that cofferdam one side from sinking suddenly, cause the both sides disequilibrium. After the sludge at the edge is cleaned, the angle of the water jet gun head 43 is adjusted to enable the water outlet to be aligned with the lower stratum, the reamer device 3 and the sludge pump are opened to clean the uneven part of the pot bottom, the smashed large soil is jetted and smashed through high-pressure water flow, and the underwater large sundries are washed away. Through the filtering action of cover cage 12, bold earth and debris can't be inhaled, prevent to block up suction pipe 1, and broken earth is carried to the assigned position through pipe shaft 11 and is discharged. When all the water comes out of the pipe body 11, the mud is removed from the pipe body, and after the cleaning is finished, the positions are changed at intervals of 60cm, and the cleaning is continued until the cleaning is finished.

In the using process, the distribution conditions of soil bodies at the bottom and on the side of the cofferdam are obtained through the three-dimensional scanning and analyzing module, and the position needing water jetting and mud sucking can be accurately positioned. And performing the operations of crushing, water flow crushing, mud suction and the like towards the underwater stratum. The end part of the reamer device 3 exceeds the end part of the mud suction pipe 1 to act on the underwater stratum before the mud suction pipe 1, so that the mud and the caking with larger volume in the underwater stratum can enter the mud suction pipe 1 after being crushed, and the mud suction pipe 1 is prevented from being blocked. When different strata are met, the reamer 32 can be replaced in time to ensure safety and efficiency in order to improve efficiency. If the hardness of the stratum at the designed elevation of the cofferdam is high and the viscosity is high, the soil body at the edge of the inner part of the cofferdam cannot automatically collapse after the bottom of a boiler is formed, so that the cofferdam cannot accurately sink in place. Then start side silt cleaning device 5, adjust the direction of penetrating the rifle head 43 through control module simultaneously, stir garrulous, the rivers are hit garrulous work to the accumulational earth of cofferdam edge angle department, cooperate reamer device 3 and suction dredge 1 to clear up. The equipment of the invention has simple structure and small volume, can be flexibly moved and used, effectively cleans the sludge accumulated between the inner side walls of the cofferdam and at the edge angles of the cofferdam by using the working mode of combining high-pressure water, the reamer 32 and the sludge suction, enables the sludge to be broken and collapsed, reduces the sinking resistance and realizes the accurate sinking of the double-wall steel cofferdam.

The present invention has been described in terms of the preferred embodiment, and it is not intended to be limited to the embodiment. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The utility model provides an intelligence of supplementary double-walled steel cofferdam sinking end penetrates water and inhales mud equipment, a serial communication port, including intelligent control module, mount (2) and install in on mount (2) and with reamer device (3), side silt cleaning device (5), inhale mud device and high-pressure water jet device (4) that intelligent control module connects, inhale the suction end of mud device, the mouth of a river that penetrates of high-pressure water jet device (4) and reamer (32) of reamer device (3) install in the one end of mount (2), just the front end of reamer (32) surpasss inhale the end of mud device.

2. The intelligent water-jetting mud-sucking equipment for assisting double-wall steel cofferdam bottom sinking of claim 1, wherein the mud-sucking device comprises a mud-sucking pipe (1), the mud-sucking pipe (1) comprises a pipe body (11) and a cover cage (12), one end of the pipe body (11) is connected with the cover cage (12), the other end of the pipe body is arranged for connecting a mud-sucking pump, and the front end of the reamer (32) exceeds the cover cage (12).

3. The intelligent water and mud ejecting and sucking equipment for assisting the sunk bottom of the double-wall steel cofferdam according to claim 2, wherein the high-pressure water jet devices (4) are arranged on the first side and the second side of the fixed frame (2) which are opposite to each other and comprise high-pressure water pipes (41), a rotating head (42) and a water jet gun head (43), the water jet gun head (43) is arranged on the rotating head (42), and the rotating head (42) is arranged on the high-pressure water pipes (41).

4. The intelligent water and mud jetting and sucking equipment for assisting the sinking bottom of the double-wall steel cofferdam according to claim 3, wherein the fixing frame (2) is provided with a side sludge cleaning device (5) for cleaning sludge at the edge of the side at the same side of the high-pressure water jet device (4).

5. The intelligent water jetting and mud sucking equipment for assisting double-wall steel cofferdam bottom sinking of claim 4, wherein the side mud cleaning device (5) comprises a side dredging motor (51), a motor cabin (52), a rotating rod (53) and a cutter head (54), the side dredging motor (51) is installed in the motor cabin (52), an output shaft of the side dredging motor (51) is connected with one end of the rotating rod (53), and the cutter head (54) is installed at the other end of the rotating rod (53).

6. The intelligent water and mud jetting and sucking equipment for assisting the sinking bottom of the double-wall steel cofferdam according to claim 3, wherein the reamer device (3) is arranged on the third side and the fourth side opposite to the fixed frame (2), the reamer device (3) further comprises a reamer motor (31), and a plurality of reamers (32) are detachably mounted on the output shaft of the reamer motor (31).

7. The intelligent water-jetting mud-sucking equipment for assisting the sinking bottom of the double-wall steel cofferdam of claim 1, wherein the reamer (32) is a hard alloy cutter with a rotation axis capable of being adjusted according to the use situation.

8. The intelligent water-jetting mud-absorbing device for assisting the sinking bottom of the double-walled steel cofferdam according to claim 2, wherein the fixing frame (2) comprises double-spliced I-shaped steel (21) and a second welding plate (23), the second welding plate (23) is arranged along the length direction of the double-spliced I-shaped steel (21), two ends of the second welding plate (23) are fixedly connected with oppositely arranged I-shaped steel of the double-spliced I-shaped steel (21), and the mud-absorbing pipe (1) is arranged in the inner area surrounded by the double-spliced I-shaped steel (21) and penetrates through a round hole in the second welding plate (23).

9. The intelligent water-jetting mud-absorbing device for the sinking bottom of the auxiliary double-wall steel cofferdam according to claim 8, further comprising a plurality of first welding plates (22) arranged along the length direction of the double-spliced I-shaped steel (21), wherein the first welding plates (22) are fixedly connected to two sides of the double-spliced I-shaped steel (21), and the high-pressure water pipe (41) passes through a circular hole of the first welding plate (22).

10. The intelligent water-jetting mud-absorbing device for assisting the sinking of the double-wall steel cofferdam of claim 3, wherein the intelligent control module comprises an analysis module and a control module and a scanning module connected with the analysis module, wherein:

The control module is used for controlling the mud pump, the reamer device (3), the side sludge cleaning device (5), the high-pressure water jet device (4) to be switched on and off and the rotating head (42) to rotate;

the scanning module is used for transmitting and receiving ultrasonic signals and transmitting the acquired time data to the analysis module;

and the analysis module is used for converting the received time data into distance information to form an underwater three-dimensional topographic map, and further determining the positions of mud stirring and mud sucking and the angle of water jetting through analysis.

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