CN215715647U - River silt cleaning device - Google Patents
River silt cleaning device Download PDFInfo
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- CN215715647U CN215715647U CN202121085048.9U CN202121085048U CN215715647U CN 215715647 U CN215715647 U CN 215715647U CN 202121085048 U CN202121085048 U CN 202121085048U CN 215715647 U CN215715647 U CN 215715647U
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- conveying pipeline
- river
- temporary storage
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Abstract
The utility model relates to a river sludge cleaning device, which comprises a ship body, a sludge pumping device and a sludge treatment box, wherein the sludge pumping device comprises a temporary storage box, a rotating motor, a conveying pipeline and a rotating end head, and the lower end of the conveying pipeline extends downwards from the bottom of the ship body and extends into a river channel; an opening is arranged on the conveying pipeline positioned in the temporary storage box; a spiral groove is arranged in the conveying pipeline; the sludge treatment box is arranged in the ship body and communicated with the temporary storage box, and a suction device is arranged between the sludge treatment box and the temporary storage box; a filter screen is arranged in the sludge treatment tank, a water outlet for discharging filtered water and a sludge outlet for discharging filtered sludge are arranged on the wall of the sludge treatment tank, the water outlet is arranged below the filter screen, the sludge outlet is arranged above the filter screen, and a pushing structure for pushing the filtered sludge to the sludge outlet is arranged above the filter screen; the automatic cleaning of silt in the river course is realized, the labor intensity of workers is reduced, and the cleaning efficiency is increased.
Description
Technical Field
The utility model belongs to the technical field of river channel sludge cleaning, and particularly relates to a river channel sludge cleaning device.
Background
In water conservancy projects, the river channel plays a crucial role, the river channel plays a drainage role in flood control and waterlogging prevention besides being used for agricultural irrigation, water supply and navigation, the bottom of the river channel can continuously deposit soil under the condition of long-term water flow, long-term deposit of the river channel can influence the normal play of various functions such as flood control, waterlogging drainage, irrigation, water supply and navigation, and in order to recover the normal functions of the river channel and promote the rapid and continuous development of the economic society, the river channel needs to be periodically desilted, so that the river channel is deepened, widened and river water is cleared, the production conditions and the living environment of the masses are obviously improved, and the goals of 'water clearing, river smoothness, green bank and beautiful scene' are achieved.
At present when the silt in the clearance river course, generally will take out the silt pump and install on the flotation pontoon, thereby the manual work stands and pulls the flotation pontoon in the river course and remove and make and take out the silt pump and remove the silt clean up in the river course, so workman's intensity of labour is great, cleaning efficiency is lower, and the workman is soaked for a long time in sewage and is unfavorable for workman's healthy.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims to provide a river sludge cleaning device to solve the problems that in the prior art, workers have high labor intensity and low cleaning efficiency in a dredging process, and are not beneficial to the health of the workers due to being soaked in sewage for a long time.
In order to achieve the purpose, the technical scheme adopted by the river sludge cleaning device is as follows:
a river sludge cleaning device comprises:
a hull;
the mud pumping device comprises: the device comprises a temporary storage box positioned in a ship body, a rotating motor fixed above the temporary storage box, a conveying pipeline in transmission connection with an output shaft of the rotating motor, and a rotating end arranged at the lower end of the conveying pipeline, wherein the lower end of the conveying pipeline extends downwards from the bottom of the ship body and extends into a river channel;
an opening is arranged on the conveying pipeline positioned in the temporary storage box;
a spiral groove is arranged in the conveying pipeline;
sludge treatment box: the sludge treatment tank is communicated with the temporary storage tank, and a suction device is arranged between the sludge treatment tank and the temporary storage tank;
the sludge treatment box is provided with a filter screen, a water outlet for filtering water and a sludge outlet for filtering sludge are arranged on the wall of the sludge treatment box, the water outlet is arranged below the filter screen, the sludge outlet is arranged above the filter screen, and a pushing structure for pushing the filtered sludge to the sludge outlet is arranged above the filter screen.
Has the advantages that: the utility model provides a river course silt cleaning device can take out to the temporary storage tank through taking out the silt device and will be located the river course bottom, then take out to the sludge treatment case through suction device, further mud-water separation is carried out in the sludge treatment case, then discharge the drainage from the outlet, discharge the filtration mud from the mud drainage mouth, realize the automatic clearance of silt in the river course, the intensity of labour of workman has been reduced, cleaning efficiency has been increased, and the workman need not to soak in sewage for a long time, thereby can not cause harm to workman's healthy.
Furthermore, the rotary end comprises a cylindrical hollow sleeve fixed at the lower end of the conveying pipeline, a rotating block in plug-in fit with the cylindrical hollow sleeve, and an elastic telescopic structure arranged between the rotating block and the cylindrical hollow sleeve, and the lower end face of the cylindrical hollow sleeve is fixed with loosening teeth.
Has the advantages that: the hollow cover of cylinder is fixed at the pipeline lower extreme, and consequently the hollow cover of cylinder can rotate along with pipeline's rotation, and the lower terminal surface of the hollow cover of cylinder is fixed with the unscrewing tooth, consequently, when the hollow cover of cylinder is rotatory, the unscrewing tooth can be loosened the silt of long-term deposit in the river course bottom soon to the convenience is revolved silt to the temporary storage tank in.
Furthermore, the cylindrical hollow sleeve comprises a cylindrical barrel, a top cover fixed at the top of the cylindrical barrel and an inner blocking edge fixed at the bottom of the cylindrical barrel, wherein an avoiding hole for the transmission pipeline to pass through is formed in the top cover, and the cylindrical hollow sleeve is fixedly connected with the transmission pipeline at the avoiding hole; the top of the rotating block is provided with an outer blocking edge matched with the inner blocking edge in a blocking mode, the middle of the rotating block is provided with a through hole which is communicated up and down, the lower end of the conveying pipeline extends into the through hole and is matched with the through hole in an up-and-down guiding mode, the elastic telescopic structure is arranged between the top surface of the rotating block and the top cover of the cylindrical hollow sleeve, and the unscrewing teeth are fixed on the inner blocking edge of the cylindrical hollow sleeve.
Has the advantages that: the structure that the cylindrical hollow sleeve is matched with the rotating block in an inserting mode can be formed.
Furthermore, the elastic telescopic structure comprises a plurality of elastic telescopic columns which are arranged along the circumferential direction of the cylindrical barrel, each elastic telescopic column comprises a small cylinder which is fixed on the upper surface of the rotating block, a large sleeve which is fixed on the lower surface of the cylindrical hollow sleeve top cover, and a spring which is sleeved on the small cylinder, the upper part of the small cylinder is in plug-in fit with the large sleeve, the upper end of the spring is fixedly connected with the lower surface of the large sleeve, and the lower end of the spring is fixedly connected with the upper surface of the rotating block.
Has the advantages that: the setting of elasticity extending structure can realize that the turning block reciprocates for the conveying line lower extreme, and that is, the turning block just like the setting at the elastic cap of conveying line lower extreme, protects conveying line's lower extreme, avoids the conveying line lower extreme to meet hard structure and causes the port department sunken.
The conveying pipeline comprises a first pipe section fixedly connected with the temporary storage box and a second pipe section fixedly connected with the rotary end head, and the first pipe section is connected with the second pipe section through a flange.
Has the advantages that: the first pipe section and the second pipe section are convenient to detach and mount, so that the second pipe section is detached from the first pipe section when sludge does not need to be removed, and the second pipe section is fixed on the first pipe section when sludge needs to be removed.
The first pipe section is provided with a switch valve, and the inner surface edge of the second pipe section is provided with an upward spiral groove.
Has the advantages that: on the one hand, set up the ooff valve on first pipeline section, can close the ooff valve when dismantling the second pipeline section to avoid the water in the river course to get into the temporary storage box from first pipeline section. On the other hand, set up the helicla flute on the second pipeline section, can conveniently rise silt to the temporary storage box.
The pushing structure comprises a hydraulic oil cylinder fixed on one side of the sludge treatment box, a telescopic rod of the hydraulic oil cylinder penetrates into the sludge treatment box, and a push plate is vertically fixed at one end of the telescopic rod, which is far away from the hydraulic oil cylinder.
Has the advantages that: the pushing structure is simple in arrangement, the telescopic rod of the hydraulic oil cylinder stretches to realize the movement of the pushing plate in the extension direction of the telescopic rod, and therefore the filtering mud above the filter screen can be conveniently pushed to the mud discharge port.
Furthermore, the water discharge port is fixedly provided with a water suction pump and a water discharge pipe which is positioned above the water suction pump and is fixedly connected with the water suction pump.
Has the advantages that: through the arrangement of the water suction pump and the water drainage pipe, filtered water discharged from the water outlet can be conveniently drained to the river channel again.
Further, the suction device is a suction pump.
Has the advantages that: the suction device is simple to set.
Furthermore, a controller is arranged at the top of the sludge treatment box and is respectively in control connection with the rotating motor, the hydraulic oil cylinder, the water suction pump and the suction pump.
Has the advantages that: the automation of the whole process that the sludge is pumped from the bottom of the river and then is treated in the sludge treatment box is realized.
Drawings
FIG. 1 is a schematic structural diagram of a river sludge cleaning device according to the present invention;
fig. 2 is a schematic structural diagram of a rotary head in the river sludge cleaning device in fig. 1.
Reference numerals: 1, a ship body; 2-temporary storage box; 3-a rotating electrical machine; 4-a first pipe section; 5-a second tube section; 6-rotating the end; 7-opening; 8-a switch valve; 9-sludge treatment box; 10-a suction pump; 11-a filter screen; 12-a sludge discharge port; 13-a water outlet; 14-a hydraulic oil cylinder; 15-push plate; 16-a controller; 17-a water pump; 18-a drain pipe; 19-helical groove; 20-cylindrical hollow sleeve; 21-a turning block; 22-a top cover; 23-inner blocking edge; 24-outer blocking edge; 25-large cannula; 26-small cylinder; 27-a spring; 28-unscrewing teeth.
Detailed Description
The river sludge cleaning device of the utility model is further described in detail with reference to the accompanying drawings and the specific implementation mode:
as shown in fig. 1, the river sludge cleaning device of the present invention comprises a hull 1, wherein the hull 1 is provided with a power device (not shown in the figure), the power device comprises a driving device and a propeller, the driving device is located in the hull 1 and is in transmission connection with the driving device, and in the present embodiment, the driving device is a diesel engine.
The hull 1 is provided with a mud pumping device and a sludge treatment box 9 communicated with the mud pumping device. Specifically, the mud pumping device comprises a temporary storage box 2 positioned in the ship body 1, a rotating motor 3 fixed above the temporary storage box 2, a conveying pipeline in transmission connection with an output shaft of the rotating motor 3, and a rotating end 6 arranged at the lower end of the conveying pipeline. In this embodiment, the temporary storage box 2 is fixed in the hull 1, the lower end of the conveying pipeline extends downwards from the bottom of the hull 1 and extends into the river, and an opening 7 is formed in the conveying pipeline in the temporary storage box 2. The rotating motor 3 works to drive the conveying pipeline and the rotating end head 6 at the lower end of the conveying pipeline to rotate simultaneously, sludge at the bottom of the river channel is conveyed upwards through the rotating conveying pipeline, and finally the sludge is conveyed to the height of the temporary storage box 2 from the bottom of the river channel, flows into the temporary storage box 2 from the opening 7 of the conveying pipeline and is temporarily stored in the temporary storage box 2. In order to facilitate the screwing of the sludge at the bottom of the river into the temporary storage tank 2 of the hull 1, in the present embodiment, the conveying pipeline is internally provided with a spiral groove 19.
In this embodiment, the conveying pipeline includes a first pipe section 4 fixedly connected to the temporary storage tank 2 and a second pipe section 5 fixedly connected to the rotary end 6, the first pipe section 4 and the second pipe section 5 are connected by a flange, and a sealing gasket is disposed at the flange connection to ensure the sealing property of the connection between the first pipe section 4 and the second pipe section 5. The first pipe section 4 is provided with the switch valve 8, so that before the first pipe section 4 is connected with the second pipe section 5 and before the first pipe section 4 is detached, the switch valve 8 on the first pipe section 4 is closed, and water in a river channel is prevented from entering the temporary storage tank 2 from the first pipe section 4. In this embodiment, the inner surface of the second pipe section 5 is provided with an upward spiral groove 19, so that the upward spiral groove of the second pipe section 5 can rapidly convey the sludge upward when the conveying line is rotated along with the rotating motor 3.
As shown in fig. 2, the rotary head 6 includes a cylindrical hollow sleeve 20 fixed at the lower end of the conveying pipeline, a rotating block 21 inserted into the cylindrical hollow sleeve 20, and an elastic telescopic structure arranged between the rotating block 21 and the cylindrical hollow sleeve 20. The cylindrical hollow sleeve 20 comprises a cylindrical barrel, a top cover 22 fixed at the top of the cylindrical barrel and an inner blocking edge 23 fixed at the bottom of the cylindrical barrel, wherein the inner blocking edge 23 is annular. The top cover 22 is provided with an avoiding hole for the transmission pipeline to pass through, and the cylindrical hollow sleeve 20 is fixedly connected with the transmission pipeline at the avoiding hole. In order to facilitate the insertion and adaptation of the rotating block 21 and the cylindrical hollow sleeve, an outer stopper edge 24 in stop fit with the inner stopper edge 23 of the cylindrical hollow sleeve 20 is disposed at the upper portion of the rotating block 21, and in this embodiment, the outer stopper edge 24 is also circular. The middle part of the rotating block 21 is provided with a through hole which is communicated up and down, and the lower end of the conveying pipeline extends into the through hole and is matched with the through hole in a vertical guiding way.
Elastic stretching structure sets up between the top surface of turning block 21 and the top cap 22 of the hollow cover 20 of cylinder, it is concrete, elastic stretching structure includes a plurality of elastic stretching post that set up along cylinder circumference, elastic stretching post is including fixing the little cylinder 26 at the turning block 21 upper surface, fix the big sleeve pipe 25 at the hollow cover 20 top cap 22 lower surface of cylinder, the cover is established spring 27 on little cylinder 26, the cooperation of pegging graft of the upper portion and the big sleeve pipe 25 of little cylinder 26, the upper end of spring 27 and the lower fixed surface of big sleeve pipe 25 are connected, the lower extreme of spring 27 and the last fixed surface of turning block 21 are connected. The setting of elasticity extending structure can realize that turning block 21 reciprocates for the conveying line lower extreme, and that is, turning block 21 just like the setting is at the elasticity cap of conveying line lower extreme, protects the conveying line lower extreme, avoids the conveying line lower extreme to run into hard structure in the river course bottom and causes the port department sunken.
The lower end surface of the cylindrical hollow sleeve 20 is fixed with a unscrewing tooth 28, in this embodiment, the unscrewing tooth 28 is fixed on the inner stop edge 23 of the cylindrical hollow sleeve 20. When the cylindrical hollow sleeve 20 rotates, the unscrewing teeth 28 can unscrew sludge deposited at the bottom of a river channel for a long time, and the loosened sludge is more easily conveyed into the temporary storage tank 2 by the conveying pipeline in a rotating mode.
A sludge treatment tank 9 is further arranged in the hull 1, the sludge treatment tank 9 is communicated with the temporary storage tank 2 through a communication pipe, and a suction device is arranged between the sludge treatment tank 9 and the temporary storage tank 2, in the embodiment, the suction device is a suction pump 10, the suction pump 10 is arranged on the communication pipe, and under the suction action of the suction pump 10, sludge in the temporary storage tank 2 can be conveyed into the sludge treatment tank 9. In this embodiment, the top of the sludge treatment tank 9 is provided with a sludge inlet for connecting the communicating pipe, and sludge pumped by the suction pump 10 enters the sludge treatment tank 9 through the sludge inlet. The sludge treatment box 9 is internally provided with a filter screen 11, the filter screen 11 is horizontally arranged in the sludge treatment box 9, a water outlet 13 for discharging filtered water and a sludge outlet 12 for discharging filtered sludge are arranged on the box wall of the sludge treatment box 9, the water outlet 13 is arranged below the filter screen 11, the sludge outlet 12 is arranged above the filter screen 11, in the embodiment, the water outlet 13 is arranged on the left side wall of the sludge treatment box 9, and the sludge outlet 12 is arranged on the right side wall of the sludge treatment box 9. The water outlet 13 is fixedly provided with a water pump 17 and a water outlet pipe 18 which is positioned above the water pump 17 and is fixedly connected with the water pump 17, and water filtered by the filter screen 11 can be conveniently pumped out from the water outlet 13 through the arrangement of the water pump 17 and the water outlet pipe 18 and is discharged into the river channel again through the water outlet pipe 18.
A pushing structure for pushing the filtered sludge to a sludge discharge port 12 is arranged above the filter screen 11, and the pushing structure is arranged on the left side of the sludge treatment box 9. The pushing structure comprises a hydraulic oil cylinder 14 fixed on the left side of the sludge treatment box 9, a telescopic rod of the hydraulic oil cylinder 14 penetrates into the sludge treatment box 9, a push plate 15 is vertically fixed at one end of the telescopic rod, which is far away from the hydraulic oil cylinder 14, and the telescopic rod of the hydraulic oil cylinder 14 stretches to realize the movement of the push plate 15 in the extension direction of the telescopic rod, so that the filtering mud above the filter screen 11 can be conveniently ejected out of the sludge treatment box 9 from the mud discharge port 12.
In order to realize the sludge pumping from the bottom of the river upwards and the sludge treatment in the sludge treatment tank 9 of the river sludge cleaning device of the utility model, in the embodiment, a controller 16 is arranged at the top of the sludge treatment tank 9, and the controller 16 is in control connection with the rotating motor 3, the hydraulic oil cylinder 14, the water suction pump 17 and the suction pump 10.
In the above embodiment, the rotary end includes a cylindrical hollow sleeve fixed at the lower end of the conveying pipeline, a rotary block inserted and adapted to the cylindrical hollow sleeve, an elastic telescopic structure is arranged between the rotary block and the cylindrical hollow sleeve, and a loosening tooth is fixed on the lower end face of the cylindrical hollow sleeve; in other embodiments, the rotating head may not be provided; or the rotary end head can also be in other structures; or the unscrewing teeth can also be omitted.
In the above embodiment, the elastic telescopic structure includes a plurality of elastic telescopic columns arranged along the circumferential direction of the cylinder barrel, each elastic telescopic column includes a small cylinder fixed on the upper surface of the rotating block, a large sleeve fixed on the lower surface of the top cover of the cylindrical hollow sleeve, and a spring sleeved on the small cylinder, the upper part of the small cylinder is in plug fit with the large sleeve, the upper end of the spring is fixedly connected with the lower surface of the large sleeve, and the lower end of the spring is fixedly connected with the upper surface of the rotating block; in other embodiments, the elastic telescopic column may further include a large sleeve fixed on the upper surface of the rotating block, a small cylinder fixed on the lower surface of the top cover of the cylindrical hollow sleeve, and a spring sleeved on the small cylinder.
In the above embodiment, the conveying pipeline includes a first pipe section fixedly connected to the temporary storage tank and a second pipe section fixedly connected to the rotary end, and the first pipe section is flange-connected to the second pipe section; in other embodiments, only one section of the transfer line may be provided, or the first section and the second section may be connected by other structures.
In the above embodiment, the first pipe section is provided with the on-off valve, and the inner surface of the second pipe section is provided with the upward spiral groove; in other embodiments, the on-off valve may not be disposed on the first pipe section. Or the inner surface of the second pipe section may also be provided without helical grooves.
In the above embodiment, the pushing structure comprises a hydraulic oil cylinder fixed on one side of the sludge treatment tank, a telescopic rod of the hydraulic oil cylinder penetrates into the sludge treatment tank, and a push plate is vertically fixed on one end of the telescopic rod, which is far away from the hydraulic oil cylinder; in other embodiments, the pushing structure may further include an electric push rod fixed on the wall of the sludge treatment tank and a push plate disposed at an end of the electric push rod.
In the above embodiment, the water outlet is fixedly provided with a water pump and a water discharge pipe which is positioned above the water pump and is fixedly connected with the water pump; in other embodiments, the water pump and the water discharge pipe are not arranged, a container for containing filtered water is arranged at the water discharge port, the filtered water naturally flows into the container through the water discharge port, and the filtered water in the container is manually poured after the filtered water in the container is full.
In the above embodiments, the suction device is a suction pump, and in other embodiments, the suction device may have other structures.
In the above embodiment, the top of the sludge treatment tank is provided with the controller, and the controller is respectively in control connection with the rotating motor, the hydraulic oil cylinder, the water suction pump and the suction pump; in other embodiments, the controller may not be provided, and at this time, the switch of the rotating motor, the hydraulic cylinder, the water pump, and the suction pump needs to be manually controlled.
Claims (10)
1. The utility model provides a river silt cleaning device, characterized by includes:
a hull;
the mud pumping device comprises: the device comprises a temporary storage box positioned in a ship body, a rotating motor fixed above the temporary storage box, a conveying pipeline in transmission connection with an output shaft of the rotating motor, and a rotating end arranged at the lower end of the conveying pipeline, wherein the lower end of the conveying pipeline extends downwards from the bottom of the ship body and extends into a river channel;
an opening is arranged on the conveying pipeline positioned in the temporary storage box;
a spiral groove is arranged in the conveying pipeline;
sludge treatment box: the sludge treatment tank is communicated with the temporary storage tank, and a suction device is arranged between the sludge treatment tank and the temporary storage tank;
the sludge treatment box is provided with a filter screen, a water outlet for filtering water and a sludge outlet for filtering sludge are arranged on the wall of the sludge treatment box, the water outlet is arranged below the filter screen, the sludge outlet is arranged above the filter screen, and a pushing structure for pushing the filtered sludge to the sludge outlet is arranged above the filter screen.
2. The river sludge cleaning device according to claim 1, wherein the rotating end comprises a cylindrical hollow sleeve fixed at the lower end of the conveying pipeline, a rotating block inserted and matched with the cylindrical hollow sleeve, and an elastic telescopic structure is arranged between the rotating block and the cylindrical hollow sleeve, and loosening teeth are fixed on the lower end face of the cylindrical hollow sleeve.
3. The river sludge cleaning device according to claim 2, wherein the cylindrical hollow sleeve comprises a cylindrical barrel, a top cover fixed at the top of the cylindrical barrel and an inner blocking edge fixed at the bottom of the cylindrical barrel, the top cover is provided with an avoidance hole for a conveying pipeline to pass through, and the cylindrical hollow sleeve is fixedly connected with the conveying pipeline at the avoidance hole; the top of the rotating block is provided with an outer blocking edge matched with the inner blocking edge in a blocking mode, the middle of the rotating block is provided with a through hole which is communicated up and down, the lower end of the conveying pipeline extends into the through hole and is matched with the through hole in an up-and-down guiding mode, the elastic telescopic structure is arranged between the top surface of the rotating block and the top cover of the cylindrical hollow sleeve, and the unscrewing teeth are fixed on the inner blocking edge of the cylindrical hollow sleeve.
4. The river sludge cleaning device according to claim 3, wherein the elastic expansion structure comprises a plurality of elastic expansion columns arranged along the circumferential direction of the cylindrical barrel, each elastic expansion column comprises a small cylinder fixed on the upper surface of the rotating block, a large sleeve fixed on the lower surface of the top cover of the cylindrical hollow sleeve, and a spring sleeved on the small cylinder, the upper part of the small cylinder is in plug fit with the large sleeve, the upper end of the spring is fixedly connected with the lower surface of the large sleeve, and the lower end of the spring is fixedly connected with the upper surface of the rotating block.
5. The river sludge cleaning device according to any one of claims 1 to 4, wherein the conveying pipeline comprises a first pipe section fixedly connected with the temporary storage tank and a second pipe section fixedly connected with the rotating end head, and the first pipe section is connected with the second pipe section in a flange mode.
6. The river sludge cleaning device as claimed in claim 5, wherein the first pipe section is provided with a switch valve, and the inner surface of the second pipe section is provided with an upward spiral groove.
7. The river sludge cleaning device as claimed in any one of claims 1 to 4, wherein the pushing structure comprises a hydraulic cylinder fixed on one side of the sludge treatment tank, a telescopic rod of the hydraulic cylinder penetrates into the sludge treatment tank, and a push plate is vertically fixed on one end of the telescopic rod, which is far away from the hydraulic cylinder.
8. The river sludge cleaning device as claimed in claim 7, wherein a water pump and a drain pipe fixedly connected with the water pump are fixedly arranged at the drain port.
9. The river sludge cleaning device of claim 8, wherein the suction device is a suction pump.
10. The river sludge cleaning device according to claim 9, wherein a controller is arranged at the top of the sludge treatment tank, and the controller is respectively in control connection with the rotating motor, the hydraulic oil cylinder, the water suction pump and the suction pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121085048.9U CN215715647U (en) | 2021-05-20 | 2021-05-20 | River silt cleaning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121085048.9U CN215715647U (en) | 2021-05-20 | 2021-05-20 | River silt cleaning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215715647U true CN215715647U (en) | 2022-02-01 |
Family
ID=80032041
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121085048.9U Active CN215715647U (en) | 2021-05-20 | 2021-05-20 | River silt cleaning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215715647U (en) |
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2021
- 2021-05-20 CN CN202121085048.9U patent/CN215715647U/en active Active
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