CN210946947U

CN210946947U - River channel dredging device

Info

Publication number: CN210946947U
Application number: CN201921566832.4U
Authority: CN
Inventors: 刘凤福
Original assignee: Beijing Huahao Water Conservancy And Hydropower Engineering Co ltd
Current assignee: Beijing Huahao Water Conservancy And Hydropower Engineering Co ltd
Priority date: 2019-09-19
Filing date: 2019-09-19
Publication date: 2020-07-07
Anticipated expiration: 2029-09-19

Abstract

A river dredging device comprises a dredging vehicle, a dredging device arranged at the front end of the dredging vehicle, and a sludge suction pump and a collecting box which are arranged on the frame of the dredging vehicle, wherein the sludge suction pump is positioned between the collecting box and the dredging device; the desilting device includes one side opening and is the desilting case of rectangle, rotate the conveying axle that sets up at the inside both ends of desilting incasement, the symmetry rigid coupling is at the epaxial helical blade of conveying, the symmetry rigid coupling is at the outside connecting plate in desilting case both ends, both ends are rotated and are set up cutting roller and a plurality of blades of rigid coupling on cutting roller global on the connecting plate, the rigid coupling has the conveying motor on the outer wall of desilting case one end, connecting plate outside rigid coupling has driving motor, desilting case slope sets up and the opening of desilting case is towards the direction of motion of desilting car, the desilting case with inhale the silt pump and inhale the hose that is provided with mutual intercommunication between silt pump and the collecting box. The utility model discloses it is simple relatively to have construction cost low, construction method, and the operating efficiency is high, to the environmental impact effect such as less around the river course.

Description

River channel dredging device

Technical Field

The utility model belongs to the technical field of the technique of river course desilting and specifically relates to a river course desilting device is related to.

Background

The main function in present river course is drainage waterlogging and navigation, if silt siltation is too much on the riverbed, then can raise the riverbed to can influence the navigation of boats and ships and the ability of rainy season drainage waterlogging. Therefore, dredging operation is required for some river channels every few years.

The existing river channel siltation removal generally needs to pass through: the method is characterized in that cofferdam filling is performed to seal a river channel in sections, water pumping is performed, sludge is pumped by a sewage pump to a tank car for transportation and unloading, dregs (containing garbage and stones) are manually cleaned, the dregs are hoisted to a temporary stacking point on a bank, the dregs are hoisted to a soil unloading point outside the tank car, during dredging, the dredging is generally realized in a river channel sectional mode, namely, the water between the two dams is pumped to expose a riverbed, then a worker flushes the riverbed by using a high-pressure water gun, and then a mud-water mixture is pumped to a nearby ditch or pond by a suction pump, or excavator equipment is hoisted in the river channel to clean the sludge in the river channel, and the cleaned sludge is transported to a designated place by a transport vehicle.

The above prior art solutions have the following drawbacks: the silt and the cubic debris that exist in the silt of caking in the clearance river course etc. adopt the manual work to clear away the construction cost height of silt, work load is big and construction method is comparatively complicated, and the mode energy consumption that adopts large-scale equipment to clear away silt is high, produces the influence easily to the environment on every side to when the desilting of river course, still destroy irrigation canals and ponds near the river course easily.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a river course sediment removal device, it has that construction cost is low, construction method is simple relatively, and the operating efficiency is high, to the less effect such as environmental impact around the river course.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

a river channel dredging device comprises a dredging vehicle, a dredging device arranged at the front end of the dredging vehicle, and a sludge suction pump and a collecting box which are arranged on a vehicle frame at the rear end of the dredging vehicle, wherein the sludge suction pump is positioned between the collecting box and the dredging device;

the desilting device includes that inside cavity and one side opening are the desilting case of rectangle, rotate the conveying axle that sets up on the lateral wall of the inside both ends of desilting incasement portion, symmetry rigid coupling in conveying epaxial and revolve to opposite a pair of helical blade, symmetry rigid coupling on desilting case both ends lateral wall and along a pair of connecting plate that desilting car motion direction extends, rotate and set up the cutting roller and the rigid coupling of keeping away from desilting case one end at the connecting plate on the cutting roller global and use its axis to be a plurality of blades that the circumference distributes as the center, the rigid coupling has drive conveying axle pivoted conveying motor on the outer wall of desilting case one end, connecting plate outside rigid coupling has drive cutting roller pivoted driving motor, desilting case slope set up and the opening orientation of desilting case the motion direction of desilting car, inhale the feed inlet of desilting pump with the desilting case keep away from between the lateral wall at opening one side middle part and inhale the desilting pump with be provided with each other between the lateral wall that the collecting box is close to the A flexible pipe is connected.

Through adopting above-mentioned technical scheme, the desilting device that this application set up, during silt in the clearance river course, desilting car drive desilting device clears away silt, driving motor drives the cutting roller and rotates, the blade of rigid coupling on the cutting roller cuts massive silt and debris in the river course, the silt mixture fragment that forms after the cutting is collected at the desilting incasement, under the effect of the inside helical blade of desilting incasement, the silt mixture is concentrated in the intermediate position of desilting case, inhale the collection incasement through inhaling the silt mixture of silt pump with the desilting incasement and collect.

The utility model discloses further set up to: and a scraper close to the ground is fixedly connected to the side edge of the opening of the dredging box close to the ground.

Through adopting above-mentioned technical scheme, the scraper blade that sets up can paste subaerial at the in-process of clearance silt, makes in the silt mixture after the blade cutting can all collect the desilting incasement to the silt that the blade did not cut off can be scraped with the scraper blade, prevents its adhesion on the river course surface.

The utility model discloses further set up to: and a pair of baffles is symmetrically and fixedly connected to the side edges at the two ends of the opening of the dredging box.

Through adopting above-mentioned technical scheme, the baffle that sets up at desilting case both ends can prevent in the desilting operation, and the silt and the debris that the desilting case both ends did not have the desilting enter into the desilting incasement, if not garrulous silt mixture inhales the damage that can cause the suction sludge pump in the suction sludge pump.

The utility model discloses further set up to: the mounting panel of installation desilting case has been firmly connected to the locomotive front end of desilting car, the upper surface rigid coupling of mounting panel has a pair of pneumatic cylinder, the cylinder body rigid coupling of pneumatic cylinder is in the upper surface of mounting panel, the piston rod of pneumatic cylinder sets up downwards perpendicularly and passes the mounting panel with the upper surface rigid coupling of desilting case.

Through adopting above-mentioned technical scheme, the mounting panel and the pneumatic cylinder that set up make the desilting device can be on the desilting car vertical motion, and when needs clearance silt, the desilting operation is carried out in hydraulic cylinder drive desilting device placed the river course, and the back is accomplished in the operation of clearance silt, and the pneumatic cylinder drives the desilting device and upwards slides, prevents that the desilting car is at the in-process of motion, and the desilting device from influencing its production.

The utility model discloses further set up to: the mounting plate is provided with a pair of reinforcing rods which vertically penetrate through the mounting plate, and the lower ends of the reinforcing rods are fixedly connected with the upper surface of the dredging box.

Through adopting above-mentioned technical scheme, the vertical slip of desilting case can be followed to a pair of stiffener of setting to the stiffener can prevent that the desilting car from at the in-process of drive desilting case forward motion, because resistance in the silt makes the piston rod of pneumatic cylinder take place to bend and fracture.

The utility model discloses further set up to: the edge of the helical blade is provided with a notch.

Through adopting above-mentioned technical scheme, the breach that sets up can carry out the secondary to the silt mixture that enters into the desilting incasement and stir garrulous, makes it not have the silt mixture of great massif form, produces the influence to suction pump.

The utility model discloses further set up to: the collecting box is far away from inhale silt pump one side and be provided with the blow off pipe on being close to the lateral wall of box bottom, be provided with the valve on the blow off pipe.

Through adopting above-mentioned technical scheme, after the collecting box was filled with silt mixture, the staff can open the valve and pass through the blow off pipe with silt mixture discharge outside the collecting box.

The utility model discloses further set up to: the collecting box is far away from inhale silt pump one side and be provided with the drain pipe on being close to the lateral wall on box top, the drain pipe with the blow off pipe is located same one side of collecting box.

Through adopting above-mentioned technical scheme, the muddy water that produces after setting up in can with the collecting box deposits directly discharges the river course in, can save more silt impurity in the messenger collecting box.

The utility model discloses further set up to: and an observation window for observing the inside of the collecting box is arranged on the side wall of the collecting box.

Through adopting above-mentioned technical scheme, the staff can see the collection degree of the inside silt of collecting box through the observation window, and when the collecting box was filled with to silt, the desilting operation was stopped to the desilting car, cleared up the silt in the collecting box, carries out next desilting work after the clearance was accomplished.

To sum up, the utility model discloses a beneficial technological effect does:

1. according to the dredging device, when sludge in a river channel is cleaned, the dredging vehicle drives the dredging device to clean the sludge, the driving motor drives the cutting roller to rotate, the blade fixedly connected to the cutting roller cuts massive sludge and sundries in the river channel, fragments of sludge mixture formed after cutting are collected in the dredging box, under the action of the helical blade in the dredging box, the sludge mixture is concentrated in the middle of the dredging box, and the sludge mixture in the dredging box is sucked into the collecting box through the sludge suction pump to be collected;

2. the mounting plate and the hydraulic cylinder are arranged, so that the dredging device can vertically move on the dredging vehicle, when sludge needs to be cleared, the hydraulic cylinder drives the dredging device to be placed in a river channel for dredging operation, and after the sludge clearing operation is finished, the hydraulic cylinder drives the dredging device to slide upwards, so that the influence of the dredging device on the dredging vehicle is prevented in the movement process of the dredging vehicle;

3. the breach that sets up can carry out the secondary to the silt mixture that enters into in the desilting case and stir garrulous, makes it not have the silt mixture of great massif form, produces the influence to suction pump.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of a transfer assembly embodying the present invention;

FIG. 3 is a schematic structural view of the dredging device of the present invention;

fig. 4 is a schematic structural view of the collecting device according to the present invention.

In the figure, 1, a dredging vehicle; 11. mounting a plate; 12. a hydraulic cylinder; 13. a reinforcing bar; 2. a dredging device; 21. a dredging box; 211. a squeegee; 212. a baffle plate; 22. a transfer assembly; 221. a transfer shaft; 222. a helical blade; 2221. a notch; 223. a transfer motor; 23. a cutting assembly; 231. a cutting roller; 232. a blade 233, a drive motor; 24. a connecting plate; 3. a collection device; 31. a sludge suction pump; 32. a collection box; 321. a blow-off pipe; 322. a valve; 323. a drain pipe; 324. an observation window; 4. a hose.

Detailed Description

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

Referring to fig. 1, for the utility model discloses a river channel dredging device, including dredging vehicle 1, dredging device 2 and collection device 3, dredging device 2 installs the front end at dredging vehicle 1 locomotive, and collection device 3 sets up on dredging vehicle 1's frame, and when the silt in the clearance river course, dredging device 2 is along with dredging vehicle 1's motion is in with the silt clearance in the river course to collection device 3.

The dredging device 2 comprises a dredging box 21, a conveying component 22 and a cutting component 23, wherein the dredging box 21 is a rectangular box body which is hollow inside and is provided with an opening on one side, the opening of the dredging box 21 faces to the moving direction of the dredging vehicle 1, the conveying component 22 is arranged inside the dredging box 21, the cutting component 23 is arranged at the front end of the opening of the dredging box 21, a certain angle is formed between the dredging box 21 and the ground in an inclined mode, and the opening on one side of the dredging box 21 faces to the ground in an inclined mode. Mounting panel 11 has been connected at the locomotive front end of dredging car 1 rigid coupling, dredging box 21 is located the below of mounting panel 11, and the level sets up between mounting panel 11 and the ground, upper surface symmetry at mounting panel 11 is provided with a pair of pneumatic cylinder 12, the cylinder body rigid coupling of pneumatic cylinder 12 is at the upper surface of mounting panel 11, the piston rod of pneumatic cylinder 12 sets up perpendicularly downwards and passes the upper surface rigid coupling of mounting panel 11 and dredging box 21, pneumatic cylinder 12 can drive the vertical removal of dredging box 21, when the silt in the clearance river course, pneumatic cylinder 12 makes dredging box 21 butt to the river course surface.

Referring to fig. 1 and 3, the conveying assembly 22 includes a conveying shaft 221, spiral blades 222 and a conveying motor 223, the conveying shaft 221 is disposed along the length direction of the dredging tank 21, two ends of the conveying shaft 221 are rotatably disposed on the side walls of two ends inside the dredging tank 21, a pair of spiral blades 222 are disposed, the pair of spiral blades are symmetrically fixed on the conveying shaft 221, the rotation directions of the two spiral blades 222 are opposite, the conveying motor 223 is fixed on the side wall of one end of the dredging tank 21, the output shaft of the conveying motor is fixed with the conveying shaft 221, and when the driving motor 233 is started, the rotation of the conveying shaft 221 enables the two spiral blades 222 to convey the sludge in the dredging tank 21 to the middle of the dredging tank 21.

Referring to fig. 1 and 2, further, the edge of the spiral blade 222 is provided with a notch 2221, which can perform the function of stirring the sludge mixture in the dredging tank 21, so that the sludge mixture does not have larger lumps.

Referring to fig. 1 and 3, the cutting assembly 23 includes a cutting roller 231, a blade 232 and a driving motor 233, the cutting assembly 23 is fixedly connected with the dredging box 21 through a pair of connecting plates 24, the connecting plates 24 are symmetrically and fixedly connected at two ends of the dredging box 21, the cutting roller 231 is rotatably arranged at one end of the connecting plate 24 far away from the dredging box 21, the blade 232 is fixedly connected on the circumferential surface of the cutting roller 231, a plurality of blades are circumferentially distributed around the axis of the cutting roller 231, and the blade 232 is provided with a plurality of groups along the length direction of the cutting roller 231, when cleaning sludge in a river channel, the arranged blade 232 can cut up the lumpy sludge and sundries in the river channel, the driving motor 233 is fixedly connected on the connecting plate 24 at one side of the cutting roller 231, and the output shaft thereof is fixedly connected with the cutting roller 231.

Further, the scraper 211 is fixedly connected to the side edge of the opening of the dredging box 21 close to the ground, and the scraper 211 is attached to the ground in the process of cleaning sludge, so that the sludge adsorbed on the surface of the river channel can be cleaned more thoroughly. A pair of baffles 212 are symmetrically and fixedly connected to the side edges of the two ends of the opening of the dredging box 21, and the baffles 212 on the two sides can prevent sludge and sundries which are not cut from flowing into the rear part of the cutting assembly 23 and collecting the sludge and the sundries in the dredging box 21. A pair of reinforcing rods 13 are vertically arranged on the mounting plate 11, the reinforcing rods 13 are located between the two hydraulic rods, the reinforcing rods 13 vertically penetrate through the mounting plate 11, the lower ends of the reinforcing rods 13 are fixedly connected with the upper surface of the dredging box 21, the reinforcing rods 13 can vertically slide along with the dredging box 21, and the reinforcing rods 13 can prevent the piston rods of the hydraulic cylinders 12 from being bent and broken due to resistance in sludge in the process of driving the dredging box 21 to move forwards by the dredging vehicle 1.

Referring to fig. 1 and 4, the collecting device 3 comprises a silt suction pump 31 and a collecting tank 32 fixedly connected to the frame of the dredging vehicle 1, the collecting tank 32 is a rectangular box body with a hollow interior, and hoses 4 which are communicated with each other are arranged between the side wall of the middle part of one side of the dredging tank 21 far away from the opening and the feed inlet of the silt suction pump 31 and between the discharge outlet of the silt suction pump 31 and the side wall of the collecting tank 32 close to the top end, so that silt and sundries in the dredging tank 21 can be sucked into the collecting tank 32 through the silt suction pump 31.

A drainage pipe 321 is arranged on the side wall of the collection tank 32 far away from the sludge suction pump 31 and close to the bottom end, a valve 322 is fixedly connected to the drainage pipe 321, and when the sludge mixture in the collection tank 32 is full, a worker opens the valve 322 to discharge the sludge. The sludge pumped into the collection tank 32 by the sludge suction pump 31 is a mixture of muddy water and impurities, the sludge and the impurities can be deposited at the bottom of the collection tank 32, and in order to enable the muddy water in the collection tank 32 to be discharged out of the collection tank 32, a drainage pipe 323 is arranged on the side wall of the collection tank 32 close to the top end and located on the same side with the sewage discharge pipe 321, and when the amount of the muddy water in the collection tank 32 is large, the muddy water can be directly discharged into a river channel from the drainage pipe 323.

Further, the transparent observation window 324 is arranged on the side wall of one side of the collection box 32, the staff can see the collection degree of the sludge in the collection box 32 through the observation window 324, when the collection box 32 is filled with the sludge, the dredging vehicle 1 stops dredging operation, the sludge in the collection box 32 is cleaned, and the next dredging operation is carried out after the cleaning is completed.

The implementation principle of the embodiment is as follows: when the silt in the river channel needs to be cleaned, the cutting assembly 23 cuts and smashes the silt and impurities agglomerated in the river channel, the smashed mixture enters the dredging box 21, the silt mixture is conveyed to the middle of the dredging box 21 under the action of the helical blades 222 in the dredging box 21, then the silt mixture in the dredging box 21 is sucked into the collecting box 32 under the action of the silt sucking pump 31, and the silt mixture in the collecting box 32 can be discharged through the sewage discharge pipe 321.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a river course dredging device which characterized in that: the dredging device comprises a dredging vehicle (1), a dredging device (2) arranged at the front end of the dredging vehicle (1), and a sludge suction pump (31) and a collecting box (32) which are arranged on a vehicle frame at the rear end of the dredging vehicle (1), wherein the sludge suction pump (31) is positioned between the collecting box (32) and the dredging device (2);

the dredging device (2) comprises a dredging box (21) which is hollow inside and has a rectangular opening on one side, a conveying shaft (221) which is rotatably arranged on the side walls at two ends inside the dredging box (21), a pair of spiral blades (222) which are symmetrically fixedly connected on the conveying shaft (221) and are opposite in rotation direction, a pair of connecting plates (24) which are symmetrically fixedly connected on the outer side walls at two ends of the dredging box (21) and extend along the motion direction of the dredging vehicle (1), a cutting roller (231) which is rotatably arranged at one end of the dredging box (21) far away from the connecting plates (24), and a plurality of blades (232) which are fixedly connected on the circumferential surface of the cutting roller (231) and are circumferentially distributed by taking the axis as the center, wherein a conveying motor (223) for driving the conveying shaft (221) to rotate is fixedly connected on the outer wall at one end of the dredging box (21), and a driving motor (233) for driving the cutting roller (231) to rotate is, the desilting case (21) slope sets up and the opening orientation of desilting case (21) the direction of motion of desilting car (1), inhale silt pump (31) with be provided with hose (4) of intercommunication each other between desilting case (21) and inhale silt pump (31) with between collecting box (32).

2. The river channel dredging device according to claim 1, wherein: the side edge of the opening of the dredging box (21) close to the ground is fixedly connected with a scraper (211) close to the ground.

3. The river channel dredging device according to claim 1, wherein: and a pair of baffles (212) is symmetrically and fixedly connected to the side edges of the two ends of the opening of the dredging box (21).

4. The river channel dredging device according to claim 1, wherein: the mounting panel (11) of installation desilting case (21) is had in the locomotive front end rigid coupling of desilting car (1), the upper surface of mounting panel (11) is provided with a pair of pneumatic cylinder (12), the cylinder body rigid coupling of pneumatic cylinder (12) is in the upper surface of mounting panel (11), the piston rod of pneumatic cylinder (12) sets up down perpendicularly and passes mounting panel (11) with the upper surface rigid coupling of desilting case (21).

5. The river channel dredging device according to claim 4, wherein: a pair of reinforcing rods (13) which vertically penetrate are arranged on the mounting plate (11), and the lower ends of the reinforcing rods (13) are fixedly connected with the upper surface of the dredging box (21).

6. The river channel dredging device according to claim 1, wherein: the edge of the spiral blade (222) is provided with a notch (2221).

7. The river channel dredging device according to claim 1, wherein: the collecting box (32) is far away from one side of the silt suction pump (31) and is provided with a drain pipe (321) on the side wall close to the bottom end of the collecting box (32), and the drain pipe (321) is provided with a valve (322).

8. The river channel dredging device according to claim 7, wherein: the collecting box (32) is far away from one side of the silt suction pump (31) and is provided with a drain pipe (323) on the side wall close to the top end of the collecting box (32), and the drain pipe (323) and the drain pipe (321) are positioned on the same side of the collecting box (32).

9. The river channel dredging device according to claim 1, wherein: an observation window (324) for observing the interior of the collection box (32) is arranged on the side wall of the collection box (32).