CN207553186U - A kind of bottom of pond silt cleaning device - Google Patents
A kind of bottom of pond silt cleaning device Download PDFInfo
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- CN207553186U CN207553186U CN201721385445.1U CN201721385445U CN207553186U CN 207553186 U CN207553186 U CN 207553186U CN 201721385445 U CN201721385445 U CN 201721385445U CN 207553186 U CN207553186 U CN 207553186U
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- fixedly connected
- frame
- silt
- movable
- wall
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Abstract
The utility model discloses a kind of bottom of pond silt cleaning devices, including left frame, top on the right side of the left frame is fixedly connected with top frame, right frame is fixedly connected on the right side of the top frame, partition board is fixedly connected between the both sides of the left frame inner wall, the first motor is fixedly connected at the top of the partition board, one end of first motor output shaft is fixedly connected with the first angular wheel, and the utility model is related to silt cleaning device technical fields.The bottom of pond silt cleaning device has achieved the purpose that move convenient for silt dredging head, has been easy to implement and carries out dredging work to large-scale bottom of pond, convenient for the use of people, convenient for driving the lifting of silt dredging head, the mud of different height can be adsorbed, improve dredging effect, without multiple dredging, improve work efficiency, prevent the blocking of silt dredging head, avoid influencing the progress of dredging work, convenient for the installation of device, and the stability of device is improved, extend the service life of device.
Description
Technical field
The utility model is related to silt cleaning device technical field, specially a kind of bottom of pond silt cleaning device.
Background technology
Mud is deposited in hydrostatic or slow flowing water environment, is formed through physical chemistry and biological chemistry action, not solid
Weak particulate or the superfine particle soil of knot, belong to modern recent deposit object, mud can be silt matter or clayey by granularmetric composition
, fine sand matter or superfine chiltern it is few, based on illite and montmorillonite, fresh water mud is then the clay mineral of beach mud
Based on illite and kaolinite, mud contains more organic matter, and content is reduced with depth, and the natural structure of mud becomes
Change is very sensitive, can be restored automatically after structure and its intensity stress destruction, here it is so-called thixotropy, mud should not be made naturally
Ground because it can generate differential settlement, makes building generate crack, inclination, influence normal use, is built on mud
Artificial reinforced measure must be taken when building, such as densification, compacting, with vertical sand drain, accelerates silt consolidation, column can be used sometimes
Base uses the structural measures such as the rigid collar tie beam for being adapted to differential settlement, subsiding crack on building top, to ensure building
Stablize safety.
Aquaculture pond or culture pond often generate more mud after used a period of time, and it is main to clear up mud at present
It is carried out by artificial, it is time-consuming and laborious, and existing mud cleaning equipment, inefficiency, easily occur to block the feelings of silt dredging head
Condition brings extreme influence to dredging work.
Utility model content
In view of the deficiencies of the prior art, the utility model provides a kind of bottom of pond silt cleaning device, solves clear at present
Reason mud relies primarily on artificial progress, time-consuming and laborious, and existing mud cleaning equipment, inefficiency easily block
The situation of silt dredging head, to dredging work bring extreme influence the problem of.
In order to achieve the above object, the utility model is achieved by the following technical programs：A kind of bottom of pond mud cleaning dress
It puts, including left frame, the top on the right side of the left frame is fixedly connected with top frame, and right frame, institute are fixedly connected on the right side of the top frame
It states and is fixedly connected with partition board between the both sides of left frame inner wall, be fixedly connected with the first motor at the top of the partition board, described first
One end of motor output shaft is fixedly connected with the first angular wheel, and the side of first angular wheel is engaged with the second conical tooth
It takes turns, shaft, the left end of the shaft and the left pivot movement of left frame inner wall is fixedly connected at the axle center of second angular wheel
Connection, the right end of the shaft sequentially pass through left frame and top frame and extend to the inside of top frame, and the shaft is located inside top frame
One end be fixedly connected with screw, the both ends of the screw are rotatablely connected respectively with the both sides of top frame inner wall, the table of the screw
Face is threaded with movable block, and the bottom of the movable block runs through top frame and extends to the outside of top frame, and the movable block is located at
One end outside top frame is fixedly connected with mobile device, and the bottom of the mobile device is fixedly connected with telecontrol equipment, the fortune
The bottom of dynamic device is fixedly connected with bull stick, and the bottom end of the bull stick is rotatably connected to silt dredging head, the right side of the silt dredging overhead
Side is rotatably connected to stabiliser bar, and the top of the stabiliser bar and the lower rotation of telecontrol equipment connect.
Preferably, the mobile device includes movable frame, and the top of the movable frame is fixedly connected with the bottom of movable block,
The bottom of the movable frame inner wall is fixedly connected with the second motor, and one end of second motor output shaft is fixedly connected with first
Belt pulley, the surface of first belt pulley are connected with the second belt pulley, the surface of second belt pulley by belt transmission
It is fixedly connected with cam, by being fixedly connected at the top of cam chair and movable frame inner wall at the axle center of the cam, the cam
Bottom driving be connected with movable plate, the both sides of the movable plate bottom have been fixedly connected with spring, the bottom end of the spring with
The bottom of movable frame inner wall is fixedly connected, and the bottom of the movable plate is fixedly connected with mobile bar, and the bottom end of the mobile bar is passed through
It wears movable frame and extends to the outside of movable frame, the top that the mobile bar is located at one end and telecontrol equipment outside movable frame is consolidated
Fixed connection.
Preferably, the telecontrol equipment includes outline border, and the top of the outline border is fixedly connected with the bottom end of mobile bar, described
The bottom of outline border inner wall is fixedly connected with third motor, and one end of the third motor output shaft is fixedly connected with the first runner,
The surface of first runner is connected with the second runner by rotating V belt translation, and the surface of second runner, which is fixedly connected with, to be turned
Disk, the surface pivots of the turntable are connected with push rod, and the bottom end of the push rod runs through outline border and extends to the outside of outline border, described
Push rod is located at one end outside outline border and the top rotation connection of silt dredging head.
Preferably, transverse slat is fixedly connected between the both sides of the right frame inner wall, and the bottom of right frame inner wall is fixed and connected
Be connected to collection silt frame, silt pipe be communicated with out at the top of the collection silt frame, it is described go out the become silted up top of pipe through transverse slat and extend to transverse slat
Top, it is described go out one end that pipe is located at the top of transverse slat of becoming silted up be communicated with silt dredging pump, the left side of silt dredging pump, which is communicated with into becoming silted up, manages,
The left end into silt pipe runs through right frame and extends to the outside of right frame, described to be communicated with into the pipe that becomes silted up positioned at the one end in right outer frame portion
Hose, one end of the hose are connected with the side of silt dredging head.
Preferably, the bottom of the left frame and right frame has been fixedly connected with bottom plate, and the bottom of bottom plate is fixedly connected with
Mounting bracket.
Preferably, sliding block is fixedly connected at the top of the movable block, is offered at the top of the top frame inner wall and sliding block
The sliding rail being adapted.
Advantageous effect
The utility model provides a kind of bottom of pond silt cleaning device.Has following advantageous effect：
(1), the bottom of pond silt cleaning device is fixedly connected with partition board, the top of partition board between the both sides by left frame inner wall
The first motor is fixedly connected with, one end of the first motor output shaft is fixedly connected with the first angular wheel, the side of the first angular wheel
The second angular wheel is engaged, shaft, the left end of shaft and the left side of left frame inner wall are fixedly connected at the axle center of the second angular wheel
Rotation connection, the right end of shaft sequentially pass through left frame and top frame and extend to the inside of top frame, and shaft is located at one inside top frame
End is fixedly connected with screw, and the both ends of screw are rotatablely connected respectively with the both sides of top frame inner wall, the thread surface connection movement of screw
Block, the bottom of movable block run through top frame and extend to the outside of top frame, have achieved the purpose that move convenient for silt dredging head, be easy to implement
Dredging work is carried out to large-scale bottom of pond, convenient for the use of people.
(2), the bottom of pond silt cleaning device is fixedly connected, movable frame by the top of movable frame with the bottom of movable block
The bottom of inner wall is fixedly connected with the second motor, and one end of the second motor output shaft is fixedly connected with the first belt pulley, the first belt pulley
Surface by belt transmission connect the second belt pulley, the surface of the second belt pulley is fixedly connected with cam, leads at the axle center of cam
It crosses at the top of cam chair and movable frame inner wall and is fixedly connected, the bottom driving connection movable plate of cam, the both sides of movable plate bottom
Spring is fixedly connected with, the bottom end of spring is fixedly connected with the bottom of movable frame inner wall, and the bottom of movable plate is fixedly connected with movement
Bar, the bottom end of mobile bar run through movable frame and extend to the outside of movable frame, and mobile bar is located at one end and fortune outside movable frame
It is fixedly connected at the top of dynamic device, convenient for driving the lifting of silt dredging head, the mud of different height can be adsorbed, improved clear
Silt effect without multiple dredging, improves work efficiency.
(3), the bottom of pond silt cleaning device is fixedly connected, outline border inner wall by the top of outline border with the bottom end of mobile bar
Bottom be fixedly connected with third motor, one end of third motor output shaft is fixedly connected with the first runner, and the surface of the first runner leads to
It crosses rotation V belt translation and connects the second runner, the surface of the second runner is fixedly connected with turntable, and the surface pivots connection push rod of turntable pushes away
The bottom end of bar runs through outline border and extends to the outside of outline border, and push rod is located at one end outside outline border and the top rotation company of silt dredging head
It connects, has achieved the purpose that drive the vibrations of silt dredging head, prevented the blocking of silt dredging head, avoided influencing the progress of dredging work.
(4), the bottom of pond silt cleaning device is fixedly connected with bottom plate by the bottom of left frame and right frame, and bottom plate
Bottom is fixedly connected with mounting bracket, convenient for the installation of device, and improves the stability of device, extends the service life of device.
Description of the drawings
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the structure diagram of the utility model mobile device；
Fig. 3 is the structure diagram of the utility model telecontrol equipment.
In figure：1 left frame, 2 partition boards, 3 first motors, 4 first angular wheels, 5 second angular wheels, 6 shafts, 7 top frames, 8
Screw, 9 movable blocks, 10 mobile devices, 101 movable frames, 102 second motors, 103 first belt pulleys, 104 belts, 105 second skins
Belt wheel, 106 cams, 107 mobile bars, 108 springs, 109 movable plates, 11 telecontrol equipments, 111 outline borders, 112 third motors, 113
One runner, 114 rotation bands, 115 second runners, 116 turntables, 117 push rods, 12 bull sticks, 13 silt dredging heads, 14 stabiliser bars, 15 right frames,
16 transverse slats, 17 silt dredgings pump, 18 go out the pipe that becomes silted up, 21 collection silt casees, 22 bottom plates, 23 mounting brackets into the pipe that becomes silted up, 19 hoses, 20.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained shall fall within the protection scope of the present invention.
- 3 are please referred to Fig.1, the utility model provides a kind of technical solution：A kind of bottom of pond silt cleaning device, including left frame
1, the bottom of left frame 1 and right frame 15 has been fixedly connected with bottom plate 22, and the bottom of bottom plate 22 is fixedly connected with mounting bracket 23, just
In installation equipment, the stability of device is improved, the top on 1 right side of left frame is fixedly connected with top frame 7, and the right side of top frame 7, which is fixed, to be connected
Right frame 15 is connected to, partition board 2 is fixedly connected between the both sides of 1 inner wall of left frame, partition board 2 is convenient for placing the first motor 3, partition board 2
Top is fixedly connected with the first motor 3, and the first motor 3 is threephase asynchronous, and one end of 3 output shaft of the first motor, which is fixed, to be connected
The first angular wheel 4 is connected to, the side of the first angular wheel 4 is engaged with the second angular wheel 5, the axle center of the second angular wheel 5
Place is fixedly connected with shaft 6, and the left end of shaft 6 is connect with the left pivot movement of 1 inner wall of left frame, and the right end of shaft 6 sequentially passes through a left side
Frame 1 and top frame 7 and the inside for extending to top frame 7, one end that shaft 6 is located inside top frame 7 are fixedly connected with screw 8, screw 8
Both ends are rotatablely connected respectively with the both sides of 7 inner wall of top frame, and the thread surface of screw 8 is connected with movable block 9, the top of movable block 9
Sliding block is fixedly connected with, the sliding rail being adapted with sliding block is offered at the top of 7 inner wall of top frame, convenient for stablizing movable block 9, movable block
9 bottom runs through top frame 7 and extends to the outside of top frame 7, and one end that movable block 9 is located at outside top frame 7 is fixedly connected with movement
Device 10, the bottom of mobile device 10 are fixedly connected with telecontrol equipment 11, and the bottom of telecontrol equipment 11 is fixedly connected with bull stick 12,
The bottom end of bull stick 12 is rotatably connected to silt dredging head 13, and the right side at 13 top of silt dredging head is rotatably connected to stabiliser bar 14, stabiliser bar 14
Top connect with the lower rotation of telecontrol equipment 11, mobile device 10 include movable frame 101, the top of movable frame 101 and shifting
The bottom of motion block 9 is fixedly connected, and the bottom of 101 inner wall of movable frame is fixedly connected with the second motor 102, and the second motor 102 exports
One end of axis is fixedly connected with the first belt pulley 103, and the surface of the first belt pulley 103 is sequentially connected with second by belt 104
Belt pulley 105, the surface of the second belt pulley 105 are fixedly connected with cam 106, pass through cam chair and shifting at the axle center of cam 106
It is fixedly connected at the top of 101 inner wall of dynamic frame, convenient for stablizing cam 106, the bottom driving of cam 106 is connected with movable plate 109, moves
The both sides of 109 bottom of movable plate have been fixedly connected with spring 108, and the bottom end of spring 108 is fixed with the bottom of 101 inner wall of movable frame to be connected
It connects, the bottom of movable plate 109 is fixedly connected with mobile bar 107, and the bottom end of mobile bar 107 through movable frame 101 and extends to shifting
The outside of dynamic frame 101, one end that mobile bar 107 is located at outside movable frame 101 are fixedly connected with the top of telecontrol equipment 11, are moved
Device 11 includes outline border 111, and the top of outline border 111 is fixedly connected with the bottom end of mobile bar 107, and the bottom of 111 inner wall of outline border is consolidated
Surely third motor 112 is connected with, one end of 112 output shaft of third motor is fixedly connected with the first runner 113, the first runner 113
Surface be sequentially connected with the second runner 115 by rotating band 114, the surface of the second runner 115 is fixedly connected with turntable 116,
The surface pivots of turntable 116 are connected with push rod 117, and the bottom end of push rod 117 runs through outline border 111 and extends to the outside of outline border 111,
Push rod 117 is located at one end outside outline border 111 and the top rotation connection of silt dredging head 13, is fixed between the both sides of right 15 inner wall of frame
Transverse slat 16 is connected with, and the bottom of 15 inner wall of right frame is fixedly connected with collection silt frame 21, the top of collection silt frame 21 is communicated with out silt
Pipe 20, the top for the pipe 20 that goes out to become silted up run through transverse slat 16 and extend to the top of transverse slat 16, and the pipe 20 that goes out to become silted up is located at the one of 16 top of transverse slat
End is communicated with silt dredging pump 17, and the left side of silt dredging pump 17 is communicated with into silt pipe 18, and the left end into silt pipe 18 through right frame 15 and extends
To the outside of right frame 15, the one end being located at outside right frame 15 into silt pipe 18 is communicated with hose 19, one end and the silt dredging head of hose 19
13 side connection.
The first angular wheel 4 is driven to rotate in use, starting the first motor 3, shaft 6 is driven by the second angular wheel 5
Rotation drives screw 8 to rotate, and movable block 9 is driven to move, and mobile device 10 is driven to move, and the rotation of the second motor 102 drives
First belt pulley 103 rotates, and the second belt pulley 105 is driven to rotate by belt 104, and band moving cam 106 rotates, and drives movable plate
109 movements, drive mobile bar 107 to move, and telecontrol equipment 11 is driven to move, and the rotation of third motor 112 drives 113 turns of the first runner
It is dynamic, the second runner 115 is driven to rotate by rotating band 114, turntable 116 is driven to rotate, push rod 117 is driven to move, drives silt dredging
First 13 move up and down while moving left and right, while can send vibrations, convenient for the progress of dredging work.
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any this practical relationship or sequence.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Non-exclusive inclusion, so that process, method, article or equipment including a series of elements not only will including those
Element, but also including other elements that are not explicitly listed or further include as this process, method, article or equipment
Intrinsic element.In the absence of more restrictions.By sentence " element limited including one ..., it is not excluded that
Also there are other identical elements in the process, method, article or apparatus that includes the element ".
While there has been shown and described that the embodiment of the utility model, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case of the principle and spirit for not departing from the utility model, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of bottom of pond silt cleaning device, including left frame (1), it is characterised in that：Top on the right side of the left frame (1), which is fixed, to be connected
Top frame (7) is connected to, right frame (15) is fixedly connected on the right side of the top frame (7), is fixed between the both sides of left frame (1) inner wall
Partition board (2) is connected with, the first motor (3) is fixedly connected at the top of the partition board (2), the first motor (3) output shaft
One end is fixedly connected with the first angular wheel (4), and the side of first angular wheel (4) is engaged with the second angular wheel (5),
Shaft (6), left end and left frame (1) inner wall of the shaft (6) are fixedly connected at the axle center of second angular wheel (5)
Left pivot movement connects, and the right end of the shaft (6) sequentially passes through left frame (1) and top frame (7) and the inside for extending to top frame (7),
The shaft (6) is fixedly connected with screw (8) positioned at the internal one end of top frame (7), the both ends of the screw (8) respectively with top frame
(7) the both sides rotation connection of inner wall, the thread surface of the screw (8) are connected with movable block (9), the bottom of the movable block (9)
Portion runs through top frame (7) and extends to the outside of top frame (7), and the movable block (9) is fixedly connected positioned at the external one end of top frame (7)
There is mobile device (10), the bottom of the mobile device (10) is fixedly connected with telecontrol equipment (11), the telecontrol equipment (11)
Bottom be fixedly connected with bull stick (12), the bottom end of the bull stick (12) is rotatably connected to silt dredging head (13), the silt dredging head
(13) right side at the top of is rotatably connected to stabiliser bar (14), and the top of the stabiliser bar (14) turns with the bottom of telecontrol equipment (11)
Dynamic connection.
2. a kind of bottom of pond silt cleaning device according to claim 1, it is characterised in that：The mobile device (10) includes
Movable frame (101), the top of the movable frame (101) are fixedly connected with the bottom of movable block (9), in the movable frame (101)
The bottom of wall is fixedly connected with the second motor (102), and one end of the second motor (102) output shaft is fixedly connected with the first skin
Belt wheel (103), the surface of first belt pulley (103) are sequentially connected with the second belt pulley (105), institute by belt (104)
The surface for stating the second belt pulley (105) is fixedly connected with cam (106), at the axle center of the cam (106) by cam chair with
It is fixedly connected at the top of movable frame (101) inner wall, the bottom driving of the cam (106) is connected with movable plate (109), the shifting
The both sides of movable plate (109) bottom have been fixedly connected with spring (108), bottom end and movable frame (101) inner wall of the spring (108)
Bottom be fixedly connected, the bottom of the movable plate (109) is fixedly connected with mobile bar (107), the bottom of the mobile bar (107)
End runs through movable frame (101) and extends to the outside of movable frame (101), and the mobile bar (107) is external positioned at movable frame (101)
One end and telecontrol equipment (11) at the top of be fixedly connected.
3. a kind of bottom of pond silt cleaning device according to claim 1, it is characterised in that：The telecontrol equipment (11) includes
Outline border (111), the top of the outline border (111) are fixedly connected with the bottom end of mobile bar (107), outline border (111) inner wall
Bottom is fixedly connected with third motor (112), and one end of third motor (112) output shaft is fixedly connected with the first runner
(113), the surface of first runner (113) is sequentially connected with the second runner (115) by rotating band (114), and described second
The surface of runner (115) is fixedly connected with turntable (116), and the surface pivots of the turntable (116) are connected with push rod (117), institute
The bottom end of push rod (117) is stated through outline border (111) and extends to the outside of outline border (111), the push rod (117) is positioned at outline border
(111) external one end and the top of silt dredging head (13) are rotatablely connected.
4. a kind of bottom of pond silt cleaning device according to claim 1, it is characterised in that：The two of right frame (15) inner wall
Transverse slat (16) is fixedly connected between side, and the bottom of right frame (15) inner wall is fixedly connected with collection silt frame (21), the collection becomes silted up
Silt pipe (20) is communicated with out at the top of frame (21), it is described to go out to become silted up the top for managing (20) through transverse slat (16) and extend to transverse slat (16)
Top, it is described go out pipe (20) one end at the top of transverse slat (16) of becoming silted up be communicated with silt dredging pump (17), the silt dredging pump (17)
Left side is communicated with into becoming silted up and manages (18), and the left end into the pipe (18) that becomes silted up runs through right frame (15) and extends to the outside of right frame (15),
It is described to be communicated with hose (19), one end and the silt dredging head of the hose (19) positioned at the external one end of right frame (15) into the pipe (18) that becomes silted up
(13) side connection.
5. a kind of bottom of pond silt cleaning device according to claim 4, it is characterised in that：The left frame (1) and right frame
(15) bottom has been fixedly connected with bottom plate (22), and the bottom of bottom plate (22) is fixedly connected with mounting bracket (23).
6. a kind of bottom of pond silt cleaning device according to one of claim 1-5, it is characterised in that：The movable block (9)
Top be fixedly connected with sliding block, offer the sliding rail being adapted with sliding block at the top of top frame (7) inner wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721385445.1U CN207553186U (en) | 2017-10-25 | 2017-10-25 | A kind of bottom of pond silt cleaning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721385445.1U CN207553186U (en) | 2017-10-25 | 2017-10-25 | A kind of bottom of pond silt cleaning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207553186U true CN207553186U (en) | 2018-06-29 |
Family
ID=62674726
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721385445.1U Expired - Fee Related CN207553186U (en) | 2017-10-25 | 2017-10-25 | A kind of bottom of pond silt cleaning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207553186U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107620334A (en) * | 2017-10-25 | 2018-01-23 | 浙江两山信息科技有限公司 | A kind of bottom of pond silt cleaning device |
| CN108824535A (en) * | 2018-07-17 | 2018-11-16 | 芜湖芬特勘测服务有限公司 | A kind of hydraulic engineering Accrete clearing device |
| CN112031139A (en) * | 2020-08-20 | 2020-12-04 | 江苏省水利勘测设计研究院有限公司 | Retaining structure that hydraulic design used |
| CN112392087A (en) * | 2020-11-05 | 2021-02-23 | 高峰 | River sludge treatment device and method for environmental management |
-
2017
- 2017-10-25 CN CN201721385445.1U patent/CN207553186U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107620334A (en) * | 2017-10-25 | 2018-01-23 | 浙江两山信息科技有限公司 | A kind of bottom of pond silt cleaning device |
| CN107620334B (en) * | 2017-10-25 | 2023-06-27 | 创业黑马(江苏)科技有限公司 | Pool bottom sludge cleaning device |
| CN108824535A (en) * | 2018-07-17 | 2018-11-16 | 芜湖芬特勘测服务有限公司 | A kind of hydraulic engineering Accrete clearing device |
| CN112031139A (en) * | 2020-08-20 | 2020-12-04 | 江苏省水利勘测设计研究院有限公司 | Retaining structure that hydraulic design used |
| CN112392087A (en) * | 2020-11-05 | 2021-02-23 | 高峰 | River sludge treatment device and method for environmental management |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180629 Termination date: 20181025 |
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| CF01 | Termination of patent right due to non-payment of annual fee |