CN108819632A - A kind of amphibious river and lake dredger of crawler type - Google Patents
A kind of amphibious river and lake dredger of crawler type Download PDFInfo
- Publication number
- CN108819632A CN108819632A CN201810813935.XA CN201810813935A CN108819632A CN 108819632 A CN108819632 A CN 108819632A CN 201810813935 A CN201810813935 A CN 201810813935A CN 108819632 A CN108819632 A CN 108819632A
- Authority
- CN
- China
- Prior art keywords
- hull
- support leg
- river
- revolving platform
- lake
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60F—VEHICLES FOR USE BOTH ON RAIL AND ON ROAD; AMPHIBIOUS OR LIKE VEHICLES; CONVERTIBLE VEHICLES
- B60F3/00—Amphibious vehicles, i.e. vehicles capable of travelling both on land and on water; Land vehicles capable of travelling under water
- B60F3/0007—Arrangement of propulsion or steering means on amphibious vehicles
- B60F3/0015—Arrangement of propulsion or steering means on amphibious vehicles comprising tracks specially adapted therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/88—Dredgers; Soil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
- E02F3/8833—Floating installations
- E02F3/885—Floating installations self propelled, e.g. ship
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/88—Dredgers; Soil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
- E02F3/90—Component parts, e.g. arrangement or adaptation of pumps
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/88—Dredgers; Soil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
- E02F3/90—Component parts, e.g. arrangement or adaptation of pumps
- E02F3/92—Digging elements, e.g. suction heads
Abstract
The present invention relates to a kind of river and lake desilting equipment, specifically a kind of amphibious river and lake dredger of crawler type, including hull, further include：Rear support leg, the rear support leg has two, and telescopic is installed on the hull two sides of tail；Front support leg, the front support leg has two, and telescopic is installed on the fore-body two sides；Revolving platform, the revolving platform are installed on the fore-body；Dredging mechanism, the dredging mechanism is installed on the top of the revolving platform, and carries out rotating freely within 180 ° by revolving platform driving；Traveling crawler, the traveling crawler are installed on the hull bottom；And driver's cabin, the driver's cabin are installed on the hull top, in have and control the rear support leg and front support leg is flexible and control the control system of the revolving platform, dredging mechanism and traveling crawler operating.Operation of the present invention is easy, and wheel efficiency is high, optimized integral structure, more succinct on deck plane.
Description
Technical field
The present invention relates to a kind of river and lake desilting equipment, specifically a kind of amphibious river and lake dredger of crawler type.
Background technique
Existing amphibious multi-functional dredger is mainly used for flood control, the training of channel, river water plant and rubbish cleaning, obstacle
It removes, piling, be laid with the multi-function operations such as cable, four supporting legs are installed, dredger can be supported, fortune is facilitated
It is defeated.Two, rear portion supporting leg can push dredger to slide forward, to reach by oil cylinder effect around support hinge rotation
The purpose of automatic moving.Dredging forward quarter is equipped with cantilever crane as excavator, can be by oil cylinder free extension, and cantilever crane end can be with
It replaces different operating component (such as grab bucket, rake, reamer), to be applicable in different operating conditions.Cantilever crane can by revolving platform control
With rotating freely for the total 180 degree in left and right.
The prior art has the following problems.
2.1 walking manners, due to being to be advanced using supporting leg around support hinge rotation forces hull, operating process is numerous
Trivial, slowly, technology, psychology to operator are all greatly to test for walking.And do not have short distance land and dispatch ability, it is real
Border working efficiency is low.
2.2 cantilever crane rotational structures cause insert space compact since revolving platform is arranged on deck plane, equipment cloth
It sets in a jumble, hydraulic oil pipe pipeline is lengthy and jumbled, and winding is interfered in rotary course, is sometimes easy to break short circuit, and hydraulic oil is revealed,
Polluted-water.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of easy to operate, wheel efficiency height, optimized integral structure, first
The amphibious river and lake dredger of more succinct crawler type in plate face.
The technical solution that the present invention solves above-mentioned technical problem is as follows：A kind of amphibious river and lake dredger of crawler type, including ship
Body further includes：
Rear support leg, the rear support leg has two, and telescopic is installed on the hull two sides of tail；
Front support leg, the front support leg has two, and telescopic is installed on the fore-body two sides；
Revolving platform, the revolving platform are installed on the fore-body；
Dredging mechanism, the dredging mechanism are installed on the top of the revolving platform, and by the revolving platform drive into
Rotating freely within 180 ° of row；
Traveling crawler, the traveling crawler are installed on the hull bottom；
And driver's cabin, the driver's cabin are installed on the hull top, it is interior to have the control rear support leg with before
Supporting leg is flexible and controls the control system of the revolving platform, dredging mechanism and traveling crawler operating.
The beneficial effects of the invention are as follows：Hull of the present invention rises by the front support leg and stretching for rear support leg
Drop, the hull is positioned in working space after rise, and the dredging mechanism cooperates the revolving platform operating to carry out dredging
Operation, the traveling crawler operating drives the hull walking after decline, pushes away compared with original supporting leg around support hinge rotation
Dynamic hull advance is able to ascend 80% or more wheel efficiency, and wheel efficiency is high, and operator's operation control in driving
System processed executes aforementioned operation, and need to only control and execute the front support leg and rear support leg is flexible and the dredging mechanism
It is operated with revolving platform, it is easy to operate；Meanwhile the revolving platform is installed on the fore-body, is no longer arranged above deck,
Optimized integral structure, it is more succinct on deck plane.
Further, the hull two sides of tail corresponds to the rear support leg and is separately installed with slide cartridge, the rear support leg point
It the corresponding slide cartridge and Chuan Guo not be slidably matched with its inner wall, on the rear support leg, the slide cartridge is fixedly arranged above
Hydraulic cylinder A, the free end of the piston rod of the hydraulic cylinder A is fixedly connected with the outer wall of the corresponding slide cartridge, after described
Supporting leg is flexible by the piston rod that the control system controls the hydraulic cylinder A.
Beneficial effect using above-mentioned further technical solution is：The hydraulic cylinder A operating can control the rear branch
Support leg is flexible, and stable structure is reliable, and control is easy.
Further, the hull two sides of tail corresponds to the slide cartridge and has been respectively articulated with linking arm A, and the linking arm A is separate
One end of the hull tail portion is fixedly connected with the corresponding slide cartridge, and two lateral roof of hull is close to the linking arm A's
Position is separately installed with hydraulic cylinder B, and the free end of the piston rod of the hydraulic cylinder B and the corresponding linking arm A are hinged,
The rear support leg by piston rod that the control system controls the corresponding hydraulic cylinder B it is flexible be flared to it is vertical or
Receipts are laminated to the hull top.
Beneficial effect using above-mentioned further technical solution is：The hydraulic cylinder B operating can control the rear branch
Support leg is flared to vertical or receipts and is laminated to the hull top, and the present invention can effectively be avoided to be suspended to sundries in the process of walking and hinder
Hinder traveling, stable structure is reliable, and control is easy.
Further, the front support leg includes linking arm B, stabilizer blade and floating ball, and the floating ball is fixed under the stabilizer blade
End, one end of the linking arm B is fixedly connected with the upper end of the stabilizer blade, the other end and the fore-body two sides corresponding one
Side is hinged；Hydraulic cylinder C, the hydraulic cylinder are respectively fixed with above the fore-body two sides, the corresponding linking arm B
The free end of the piston rod of C and the corresponding linking arm B are hinged close to the position of the hull, and the floating ball passes through the control
The piston rod that system processed controls the hydraulic cylinder C is flexible and down or up.
Beneficial effect using above-mentioned further technical solution is：The front of the hull is supported using floating ball, is supported
It is reliable and stable when the hull operation, it, can be to the rear support leg from silt during the present invention switches to walking states
The effective support of offer is extracted in mud, it is folded quickly to extract mud receipts convenient for the rear support leg, and does not have to when floating ball rising as institute
State and extracted from mud as rear support leg, two match down so that the present invention to switch to walking states rapid, working efficiency obtains
To being substantially improved；Meanwhile the hydraulic cylinder C operating can control the floating ball down or up, stable structure is reliable, control
Simplicity,.
Further, the linking arm B offers mounting hole far from one end of the hull, and side wall offers described in connection
The pin hole A of mounting hole successively offers multiple pin hole B on the side wall of the stabilizer blade along its length, sets across the pin hole A
It is equipped with the pin shaft that can be inserted into the pin hole B.
Beneficial effect using above-mentioned further technical solution is：It is inserted into multiple pin hole B using the pin shaft
The support limiting altitude of the floating ball is adjusted in one of them, and the water in different work place is directed to convenient for the front support leg
Position is supported height adjustment, expands use scope of the invention.
Further, there is cabin, institute is protruded at the position that the revolving platform is installed on the fore-body in the hull
It states in cabin.
Beneficial effect using above-mentioned further technical solution is：Overall structure is advanced optimized, and fore-body is each
Road pipeline can enter the cabin and be routed, and avoid the problem that wiring tape comes oil pipe burst, hydraulic fluid leak above deck.
Further, the dredging mechanism includes cantilever crane and dredging portion, and the revolving platform is fixed in one end of the cantilever crane
Top, the other end connect the dredging portion, and the dredging portion controls the cantilever crane operating operating clearly by the control system
It becomes silted up.
Beneficial effect using above-mentioned further technical solution is：Realize dredging mechanism dredging operation.
Further, the cantilever crane is two-part cantilever crane, and the dredging portion is bucket, and one end of the two-part cantilever crane is fixed
In the top of the revolving platform, the other end is fixedly connected with the bucket.
Beneficial effect using above-mentioned further technical solution is：Improve the dredging effect of the dredging mechanism.
Further, the cantilever crane is one-part form cantilever crane, and the dredging portion is the cutter suction pump with twisting sucker head, the one-part form
The top of the revolving platform is fixed in one end of cantilever crane, and the other end is fixedly connected with the cutter suction pump, and the cutter suction pump passes through
The control system controls start and stop.
Beneficial effect using above-mentioned further technical solution is：Improve the dredging effect of the dredging mechanism.
Further, the control system is PLC control system.
Beneficial effect using above-mentioned further technical solution is：It is accurate to ensure that the control of the control system is stablized.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described.In all the appended drawings, similar element
Or part is generally identified by similar appended drawing reference.In attached drawing, each element or part might not be drawn according to actual ratio.
Fig. 1 is the structural schematic diagram of the embodiment of the present invention 1；
Fig. 2 is the structural schematic diagram of the embodiment of the present invention 2；
Appended drawing reference：
1- hull；2- driver's cabin；3- traveling crawler；4- hydraulic cylinder C；5- floating ball；6- stabilizer blade；7- pin shaft；8- linking arm
B；9- revolving platform；10- twisting sucker head；11- cutter suction pump；12- one-part form cantilever crane；13- linking arm A；14- hydraulic cylinder A；15- is sliding
Cylinder；16- rear support leg；17- hydraulic cylinder B；18- bucket；19- two-part cantilever crane
Specific embodiment
It is described in detail below in conjunction with embodiment of the attached drawing to technical solution of the present invention.Following embodiment is only used for
Clearly illustrate technical solution of the present invention, therefore be only used as example, and cannot be used as a limitation and limit protection model of the invention
It encloses.
Embodiment 1
As shown in Figure 1, a kind of amphibious river and lake dredger of crawler type, including hull 1, further include：
Rear support leg 16, rear support leg 16 has two, and telescopic is installed on 1 two sides of tail of hull；
Front support leg, front support leg has two, and telescopic is installed on 1 front part sides of hull；
Revolving platform 9, revolving platform 9 are installed on 1 front of hull, have cabin in hull 1, revolving platform 9 is installed on ship
The position of 1 front of body is protruded into cabin；
Dredging mechanism, dredging mechanism is installed on the top of revolving platform 9, and is carried out within 180 ° by the driving of revolving platform 9
Rotate freely；
Traveling crawler 3, traveling crawler 3 are installed on 1 bottom of hull；
And driver's cabin 2, driver's cabin 2 is installed on 1 top of hull, interior that there is control rear support leg 16 and front support leg to stretch
The PLC control system that contracting and control revolving platform 9, dredging mechanism and traveling crawler 3 operate.
In the present embodiment：
1 two sides of tail of hull corresponds to rear support leg 16 and is separately installed with slide cartridge 15, and rear support leg 16 is each passed through corresponding
Slide cartridge 15 is simultaneously slidably matched with its inner wall, on rear support leg 16, slide cartridge 15 be fixedly arranged above hydraulic cylinder A14, hydraulic oil
The free end of the piston rod of cylinder A14 is fixedly connected with the outer wall of corresponding slide cartridge 15, and rear support leg 16 is controlled by control system
The piston rod of hydraulic cylinder A14 is flexible and stretches；
1 two sides of tail of hull corresponds to slide cartridge 15 and has been respectively articulated with linking arm A13, linking arm A13 far from 1 tail portion of hull one
End is fixedly connected with corresponding slide cartridge 15, and 1 liang of lateral roof of hull is separately installed with hydraulic cylinder close to the position of linking arm A13
B17, the free end of the piston rod of hydraulic cylinder B17 and corresponding linking arm A13 are hinged, and rear support leg 16 passes through control system control
The piston rod for making corresponding hydraulic cylinder B17 stretches and is flared to vertical or receipts and is laminated to 1 top of hull；
Front support leg includes linking arm B8, stabilizer blade 6 and floating ball 5, and floating ball 5 is fixed on the lower end of stabilizer blade 6, and the one of linking arm B8
End is fixedly connected with the upper end of stabilizer blade 6, and other end side corresponding with 1 front part sides of hull is hinged；It is 1 front part sides of hull, right
It is respectively fixed with hydraulic cylinder C4 above the linking arm B8 answered, the free end of the piston rod of hydraulic cylinder C4 and corresponding linking arm
B8 is hinged close to the position of hull 1, floating ball 5 by the flexible decline of piston rod that control system controls hydraulic cylinder C4 or on
It rises；Linking arm B8 offers mounting hole far from one end of hull 1, and side wall offers the pin hole A of connection mounting hole, stabilizer blade 6
Multiple pin hole B are successively offered on side wall along its length, the pin shaft 7 of pluggable pin hole B is provided with across pin hole A；
Dredging mechanism includes cantilever crane and dredging portion, and 9 top of revolving platform is fixed in one end of cantilever crane, and the other end connects dredging
Portion, dredging portion control cantilever crane by control system and operate dredging, and cantilever crane is one-part form cantilever crane 12, and dredging portion is with strand
The top of revolving platform 9 is fixed in the cutter suction pump 11 of suction nozzle 10, one end of one-part form cantilever crane 12, and the other end and cutter suction pump 11 are fixed
Connection, cutter suction pump 11 control start and stop by control system.
When transfer：Operator operates PLC control system in driver's cabin 2, controls hydraulic cylinder A14, hydraulic cylinder B17
It shrinks, is received after shrinking rear support leg 16 upwards and be laminated to 1 top of hull, then control hydraulic cylinder C4 and shrink, make on floating ball 5
It rises, it is i.e. transferable finally to control the operating of traveling crawler 3.
When dredging operation：When the transfer of this dredger runs to working space, operator operates PLC control in driver's cabin 2
System processed, control hydraulic cylinder A14, hydraulic cylinder B17 stretch out, and insertion is extended downwardly after being flared to rear support leg 16 vertically and is become silted up
In mud, then controls hydraulic cylinder C4 and stretch out, make 5 supporting descending of floating ball on mud, finally control revolving platform 9 and cantilever crane phase
Mutually cooperation operating, and the operating of cutter suction pump 11 is controlled, the mud of rubbing is siphoned away into dredging after so that twisting sucker head 10 is rubbed mud.
Embodiment 2
The present embodiment the difference from embodiment 1 is that：Cantilever crane is two-part cantilever crane 19, and dredging portion is bucket 18, two-part
The top of revolving platform 9 is fixed in one end of cantilever crane 19, and the other end is fixedly connected with bucket 18.
When transfer：Operator operates PLC control system in driver's cabin 2, controls hydraulic cylinder A14, hydraulic cylinder B17
It shrinks, is received after shrinking rear support leg 16 upwards and be laminated to 1 top of hull, then control hydraulic cylinder C4 and shrink, make on floating ball 5
It rises, it is i.e. transferable finally to control the operating of traveling crawler 3.
When dredging operation：When the transfer of this dredger runs to working space, operator operates PLC control in driver's cabin 2
System processed, control hydraulic cylinder A14, hydraulic cylinder B17 stretch out, and insertion is extended downwardly after being flared to rear support leg 16 vertically and is become silted up
In mud, then controls hydraulic cylinder C4 and stretch out, make 5 supporting descending of floating ball on mud, finally control revolving platform 9 and cantilever crane phase
Mutually cooperation operating is to make bucket 18 take mud dredging.
Finally it should be noted that：The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Present invention has been described in detail with reference to the aforementioned embodiments for pipe, those skilled in the art should understand that：Its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme should all cover within the scope of the claims and the description of the invention.
Claims (10)
1. a kind of amphibious river and lake dredger of crawler type, including hull (1), which is characterized in that further include：
Rear support leg (16), the rear support leg (16) has two, and telescopic is installed on the hull (1) tail portion two
Side；
Front support leg, the front support leg has two, and telescopic is installed on the hull (1) front part sides；
Revolving platform (9), the revolving platform (9) are installed on the hull (1) front；
Dredging mechanism, the dredging mechanism is installed on the top of the revolving platform (9), and is driven by the revolving platform (9)
Carry out rotating freely within 180 °；
Traveling crawler (3), the traveling crawler (3) are installed on the hull (1) bottom；
And driver's cabin (2), the driver's cabin (2) are installed at the top of the hull (1), it is interior that there is the control rear support leg
(16) and front support leg is flexible and control the control system of the revolving platform (9), dredging mechanism and traveling crawler (3) operating
System.
2. the amphibious river and lake dredger of a kind of crawler type according to claim 1, which is characterized in that hull (1) tail portion
Two sides correspond to the rear support leg (16) and are separately installed with slide cartridge (15), and the rear support leg (16) is each passed through corresponding described
Slide cartridge (15) is simultaneously slidably matched with its inner wall, on the rear support leg (16), the slide cartridge (15) be fixedly arranged above it is hydraulic
Oil cylinder A (14), the free end of the piston rod of the hydraulic cylinder A (14) is fixed with the outer wall of the corresponding slide cartridge (15) to be connected
It connects, the rear support leg (16) is flexible by the piston rod that the control system controls the hydraulic cylinder A (14).
3. the amphibious river and lake dredger of a kind of crawler type according to claim 2, which is characterized in that hull (1) tail portion
Two sides correspond to the slide cartridge (15) and have been respectively articulated with linking arm A (13), and the linking arm A (13) is far from the hull (1) tail portion
One end be fixedly connected with the corresponding slide cartridge (15), (1) two lateral roof of hull is close to the position of the linking arm A (13)
It sets and is separately installed with hydraulic cylinder B (17), the free end of the piston rod of the hydraulic cylinder B (17) and the corresponding linking arm
Hingedly, the rear support leg (16) controls the piston rod of the corresponding hydraulic cylinder B (17) by the control system to A (13)
It stretches and is flared to vertical or receipts and is laminated at the top of the hull (1).
4. the amphibious river and lake dredger of a kind of crawler type according to claim 1, which is characterized in that the front support leg includes
Linking arm B (8), stabilizer blade (6) and floating ball (5), the floating ball (5) are fixed on the lower end of the stabilizer blade (6), the linking arm B (8)
One end be fixedly connected with the upper end of the stabilizer blade (6), other end side corresponding with the hull (1) front part sides is hinged；
Hydraulic cylinder C (4), the hydraulic oil are respectively fixed with above hull (1) front part sides, the corresponding linking arm B (8)
The free end of the piston rod of cylinder C (4) is hinged close to the position of the hull (1) with the corresponding linking arm B (8), described floating
Ball (5) is flexible down or up by the piston rod that the control system controls the hydraulic cylinder C (4).
5. the amphibious river and lake dredger of a kind of crawler type according to claim 4, which is characterized in that the linking arm B (8) is remote
One end from the hull (1) offers mounting hole, and side wall offers the pin hole A for being connected to the mounting hole, the stabilizer blade (6)
Side wall on successively offer multiple pin hole B along its length, being provided with across the pin hole A can be inserted into the pin hole B's
Pin shaft (7).
6. the amphibious river and lake dredger of a kind of crawler type according to any one of claims 1 to 5, which is characterized in that the ship
There is cabin, the position that the revolving platform (9) is installed on the hull (1) front is protruded into the cabin in body (1).
7. the amphibious river and lake dredger of a kind of crawler type according to any one of claims 1 to 5, which is characterized in that described clear
Silt mechanism includes cantilever crane and dredging portion, and one end of the cantilever crane is fixed at the top of the revolving platform (9), described in other end connection
Dredging portion, the dredging portion control the cantilever crane by the control system and operate dredging.
8. the amphibious river and lake dredger of a kind of crawler type according to claim 7, which is characterized in that the cantilever crane is two-part
Cantilever crane (19), the dredging portion are bucket (18), and the revolving platform (9) is fixed in one end of the two-part cantilever crane (19)
Top, the other end are fixedly connected with the bucket (18).
9. the amphibious river and lake dredger of a kind of crawler type according to claim 7, which is characterized in that the cantilever crane is one-part form
Cantilever crane (12), the dredging portion are the cutter suction pump (11) with twisting sucker head (10), and one end of the one-part form cantilever crane (12) is fixed
In the top of the revolving platform (9), the other end is fixedly connected with the cutter suction pump (11), and the cutter suction pump (11) passes through described
Control system controls start and stop.
10. the amphibious river and lake dredger of a kind of crawler type according to any one of claims 1 to 5, which is characterized in that the control
System processed is PLC control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810813935.XA CN108819632A (en) | 2018-07-23 | 2018-07-23 | A kind of amphibious river and lake dredger of crawler type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810813935.XA CN108819632A (en) | 2018-07-23 | 2018-07-23 | A kind of amphibious river and lake dredger of crawler type |
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| Publication Number | Publication Date |
|---|---|
| CN108819632A true CN108819632A (en) | 2018-11-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810813935.XA Pending CN108819632A (en) | 2018-07-23 | 2018-07-23 | A kind of amphibious river and lake dredger of crawler type |
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| CN109763532A (en) * | 2019-01-28 | 2019-05-17 | 长沙矿山研究院有限责任公司 | A kind of dam flood-discharge hole underwater desilting system |
| CN112240038A (en) * | 2020-10-23 | 2021-01-19 | 韩邦森 | River silt exempts from to dig formula clean-up equipment for hydraulic engineering |
| CN113374004A (en) * | 2021-05-28 | 2021-09-10 | 上海交通大学 | Underwater unmanned self-walking twisting and sucking device |
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| CN109763532A (en) * | 2019-01-28 | 2019-05-17 | 长沙矿山研究院有限责任公司 | A kind of dam flood-discharge hole underwater desilting system |
| CN112240038A (en) * | 2020-10-23 | 2021-01-19 | 韩邦森 | River silt exempts from to dig formula clean-up equipment for hydraulic engineering |
| CN113374004A (en) * | 2021-05-28 | 2021-09-10 | 上海交通大学 | Underwater unmanned self-walking twisting and sucking device |
| CN113374004B (en) * | 2021-05-28 | 2023-03-10 | 上海交通大学 | Underwater unmanned self-walking twisting and sucking device |
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