CN108946439A - A kind of immersible pump nacelle device - Google Patents
A kind of immersible pump nacelle device Download PDFInfo
- Publication number
- CN108946439A CN108946439A CN201810847849.0A CN201810847849A CN108946439A CN 108946439 A CN108946439 A CN 108946439A CN 201810847849 A CN201810847849 A CN 201810847849A CN 108946439 A CN108946439 A CN 108946439A
- Authority
- CN
- China
- Prior art keywords
- immersible pump
- plate
- linkage section
- hanging basket
- bottom plate
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/12—Slings comprising chains, wires, ropes, or bands; Nets
- B66C1/16—Slings with load-engaging platforms or frameworks
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D13/08—Units comprising pumps and their driving means the pump being electrically driven for submerged use
- F04D13/10—Units comprising pumps and their driving means the pump being electrically driven for submerged use adapted for use in mining bore holes
Abstract
The present invention discloses a kind of immersible pump nacelle device, including hanging basket ontology and immersible pump, hanging basket ontology has bottom plate, top plate and side plate, and three encloses the cavity for setting and being formed and accommodating immersible pump respectively, bottom plate, which is provided with, places position for the immersible pump of installing submersible pump, bottom plate offers water supply and enters the intrinsic water inlet of hanging basket, and top plate is separately provided for transporting the fixation member of the lifting lug and the pipeline for fixing immersible pump that hang for external equipment.The present invention, which can carry out immersible pump being moved to the region for needing temporarily to use, to be easy to use, and is changed traditional immersible pump and is needed the fixed mode used, and can be avoided the loosening or disengaging of the water-tight device to the pipeline of immersible pump, improves the security performance of immersible pump.
Description
Technical field
The present invention relates to immersible pump field more particularly to a kind of immersible pump nacelle devices.
Background technique
Immersible pump is the important equipment of deep-well water lift, and when use, entire unit pulled the plug work, and underground water is extracted
Earth's surface, speedily carry out rescue work suitable for domestic water, mine, industry cooling, field irrigation, seawater lift, steamer tune carry etc. fields.
Current immersible pump, because water needs to enter the bottom plate of the pump housing inside of ontology, then need by in the pump housing
The water pipe of portion's connection is discharged to specified region, water-proof protection device is provided on pipeline, but the mobile pump housing is to damage on pipeline
Water-proof protection device, therefore generally immersible pump is arranged on fixed position, causes pipe to avoid the movement to immersible pump
The cup of water-proof protection device on line damages, and the electric wire in pipeline is caused to leak electricity.When needing temporary drainage, suction pump is generally used
It is drained, however the power of suction pump is relatively small, when displacement is very big, needs to increase the quantity of suction pump or extends and take out
The water time, low efficiency of drawing water, and the pumping head of suction pump is generally lower than immersible pump, when what temporary drainage position needed draws water
When lift is higher, suction pump is unable to satisfy, and leads to not normal operation.
Summary of the invention
It is an object of the invention to: a kind of immersible pump nacelle device is provided, handling can be carried out to immersible pump, and can mention
The safety that the high immersible pump uses.
To reach this purpose, the invention adopts the following technical scheme:
A kind of immersible pump nacelle device, including hanging basket ontology and immersible pump are provided, the hanging basket ontology has bottom plate, top
Plate and side plate, and three encloses the cavity for setting and being formed and accommodating the immersible pump respectively, the bottom plate is provided with described for installing
The immersible pump of immersible pump places position, and the bottom plate offers water supply and enters the intrinsic water inlet of the hanging basket, the top plate
It is separately provided for transporting the fixation member of the lifting lug and the pipeline for fixing the immersible pump that hang for external equipment.
As a preferred technical solution of the immersible pump nacelle device, between the lifting lug and the fixation member
Every setting.
As a preferred technical solution of the immersible pump nacelle device, the side plate is close to the position of the top plate
It sets and is convexly equipped with wire-hanging hook.
As a preferred technical solution of the immersible pump nacelle device, the fixation member is card line button.
As a preferred technical solution of the immersible pump nacelle device, the fixation member is card line button.
As a preferred technical solution of the immersible pump nacelle device, the extension tube attached has the first connection
Section, the second linkage section and the changeover portion between first linkage section and second linkage section, first connection
Section is provided with the first connecting flange far from one end of the changeover portion, described in one end face of the water outlet of the immersible pump
It is detachable by bolt that the second connecting flange, first connecting flange and second connecting flange is arranged in first connecting flange
Connection, second linkage section are provided with third connecting flange far from one end of the changeover portion.
As a preferred technical solution of the immersible pump nacelle device, the arc-shaped structure of changeover portion, and
The both ends of the changeover portion are separately connected first linkage section and second linkage section, and first linkage section is far from described
One end of changeover portion extends along the short transverse of the hanging basket ontology.
As a preferred technical solution of the immersible pump nacelle device, the peripheral part of the extension tube attached is connected with
Strengthening part, the strengthening part includes the first stiffening plate, the second stiffening plate, third stiffening plate and the 4th stiffening plate, described
First stiffening plate and second stiffening plate are built up in the bottom plate vertically respectively, and first stiffening plate is far from the bottom plate
One end connect with first linkage section, the one end of second linkage section far from the bottom plate is connect with the changeover portion,
The third stiffening plate and the 4th stiffening plate are horizontally set with respectively on the side plate, and the third stiffening plate is far from the side plate
One end connect with second linkage section, the described one end of 4th stiffening plate far from the side plate is connect with the changeover portion.
As a preferred technical solution of the immersible pump nacelle device, the bottom plate of the hanging basket ontology corresponds to institute
It states water inlet and is provided with filter screen.
As a preferred technical solution of the immersible pump nacelle device, the lateral surface of the top plate and the bottom
The lateral surface of plate is convexly equipped with anticollision strip respectively.
The invention has the benefit that the present invention can carry out immersible pump to be moved to the region for needing temporarily to use conveniently
It uses, changes traditional immersible pump and need the fixed mode used, and can be avoided to the water-tight device of the pipeline of immersible pump
It loosens or is detached from, improve the security performance of immersible pump.
Detailed description of the invention
The present invention will be further described in detail below based on the drawings and embodiments.
Fig. 1 is the schematic perspective view of one angle of immersible pump nacelle device described in embodiment.
Fig. 2 is that (diving is not shown in immersible pump nacelle device described in embodiment and the structural schematic diagram of the outer piping connection
The pipeline of pump).
Fig. 3 is the schematic perspective view of another angle of immersible pump nacelle device described in embodiment.
Fig. 4 is the top view (mouth of a river is not shown) of immersible pump nacelle device described in embodiment
In figure:
100, immersible pump；101, immersible pump ontology；102, pedestal；103, extension tube attached；104, third connecting flange；105,
Four connecting flanges；106, the first connecting flange；107, the second connecting flange；108, exterior line；109, pipeline；
200, hanging basket ontology；201, top plate frame；202, side plate frame；203, bottom plate frame；204, side plate transverse slat；205,
Support leg；206, gasket；207, the first stiffening plate；208, the second stiffening plate；209, third stiffening plate；210, the 4th stiffening plate；
211, anticollision strip；212, lifting lug；213, wire-hanging hook；214, fixation member；215, the first stiffener；216, the second stiffener；
217, marking plate；218, bottom plate transverse slat.
Specific embodiment
To further illustrate the technical scheme of the present invention below with reference to the accompanying drawings and specific embodiments.
As shown in figures 1-4, in this present embodiment, a kind of immersible pump nacelle device of the present invention, the hanging basket ontology
200 have bottom plate, top plate and side plate, and three encloses the cavity for setting and being formed and accommodating the immersible pump 100 respectively, and the bottom plate is set
It sets the immersible pump for installing the immersible pump 100 and places position, the bottom plate offers water supply and enters the hanging basket ontology 200
Interior water inlet (not shown), the top plate are separately provided for transporting the lifting lug 212 hung for external equipment and be used for
The fixation member 214 of the pipeline 109 of the fixed immersible pump 100.
The fixation member 214 for fixing the pipeline 109 of immersible pump 100 is set in the top plate of hanging basket ontology 200, makes pipeline
109 are fixed on the top plate of hanging basket ontology 200, avoid the water-tight device on pipeline 109 from being damaged in moving hanging basket ontology 200
And the electric wire in pipeline 109 is caused to leak electricity.Since the top plate of hanging basket ontology 200 is provided with lifting lug 212, in actual use process
In, fortune is carried out to hanging basket ontology 200 by the cooperation of external equipment and lifting lug 212 and is hung, realizes the movement to immersible pump 100.?
The bottom plate, which offers to supply water, enters water inlet in the hanging basket ontology 200, using hanging basket ontology 200 by immersible pump 100
When being moved to the region for needing temporarily to draw water, does not need to take out immersible pump 100 from hanging basket ontology 200 or pad immersible pump 100
Drawing water for immersible pump 100 can be realized in height, is easy to use.It is designed by this, immersible pump 100 can be carried out being moved to needs
The region temporarily used is convenient to use, changes traditional immersible pump 100 and needs the fixed mode used, and can be avoided to diving
The loosening or disengaging of the water-tight device of the pipeline 109 of pump 100 improve the security performance of immersible pump 100.
Wherein, the immersible pump 100 includes the immersible pump ontology that pedestal 102 is arranged and is arranged on the pedestal 102
101.Specifically, the bottom plate of the pedestal 102 and hanging basket ontology 200 passes through bolt.
In the present embodiment, the lifting lug 212 is arranged with the fixation member 214 interval.Prevent external equipment to pipeline
109 distances are too small and external equipment is caused to contact with pipeline 109, the process for avoiding the water-tight device on pipeline 109 from being hung in fortune
In be damaged, further increase the security performance of the immersible pump 100.
In order to improve the hanging basket ontology 200 in stability during fortune is hung, the lifting lug 212 is at least provided with four
A, four lifting lugs 212 are separately positioned on four angles of top plate, when fortune is hung respectively by four lifting lugs 212 simultaneously with
External equipment connection, prevents hanging basket ontology 200 from lateral deviation occurs.But in other examples, it will can also a little be set as
The different quantity such as one, two, three or five.
As a preferred scheme of the invention, the side plate is convexly equipped with wire-hanging hook 213 close to the position of the top plate.
The setting of wire-hanging hook 213 is mainly used for hanging the pipeline 109 extended on the outside of top plate, can may extend to the pipeline on the outside of top plate
109 are wrapped on wire-hanging hook 213, facilitate the pipeline 109 for arranging the top plate of the hanging basket ontology 200, simultaneously because pipeline 109
It is too long and influence handling to the hanging basket ontology 200.In the present embodiment, there are two wire-hanging hooks 213 for setting, in other implementations
In example, the quantity of wire-hanging hook 213 can according to need change.
Specifically, the fixation member 214 is card line button.But in other examples, the fixation member 214 is gone back
It can be card line ear or card line seat etc., as long as being that by the limit of pipeline 109, fixing.
The water outlet of the immersible pump 100 is connected with extension tube attached 103, and the extension tube attached 103 is far from the immersible pump 100
One end is connect with exterior line 108.For connecting with exterior line 108, water goes out from immersible pump 100 for the setting of extension tube attached 103
The mouth of a river enters extension tube attached 103, is extracted into specified region finally by exterior line 108.By setting extension tube attached 103 in reality
Facilitate the connection of exterior line 108 when use.
The extension tube attached 103 has the first linkage section, the second linkage section and is located at first linkage section and described the
Changeover portion between two linkage sections, first linkage section are provided with the first connecting flange 106 far from one end of the changeover portion,
The second connecting flange 107, institute is arranged in first connecting flange 106 described in one end face of the water outlet of the immersible pump 100
It states the first connecting flange 106 and second connecting flange 107 is detachably connected by bolt, second linkage section is far from institute
The one end for stating changeover portion is provided with third connecting flange 104.The first connecting flange 106 and the second connecting flange is bolted
107, realization extension tube attached 103 is detachably connected with immersible pump 100, convenient for the installation of extension tube attached 103.Wherein, third connection method
Orchid 104 is bolted with the 4th connecting flange 105 on exterior line 108, realizes extension tube attached 103 and exterior line 108
Connection.But in other examples, the water outlet of extension tube attached 103 and immersible pump 100 can also be welded, or will be outer
Adapter tube 103 is Nian Jie with the water outlet of immersible pump 100.
The arc-shaped structure of changeover portion, and the both ends of the changeover portion are separately connected first linkage section and described
Two linkage sections, the described one end of first linkage section far from the changeover portion extend along the short transverse of the hanging basket ontology 200.It will
One end of the separate changeover portion of first linkage section extends along the short transverse of hanging basket ontology 200, promotes the height of the second linkage section,
First connecting tube is connect by the convenient top plate across hanging basket ontology 200 with exterior line 108.But in other examples,
Changeover portion can also be set to straight section, the second linkage section extends along the horizontal direction at this time, passes through hang in actual use
The side plate of basket ontology 200 accesses exterior line 108.
The peripheral part of the extension tube attached 103 is connected with strengthening part, and the strengthening part includes the first stiffening plate 207, the
Two stiffening plates 208, third stiffening plate 209 and the 4th stiffening plate 210, first stiffening plate 207 and second stiffening plate
208 are built up in the bottom plate of the hanging basket ontology 200 vertically respectively, and first stiffening plate 207 is far from the hanging basket ontology 200
One end of bottom plate is connect with first linkage section, one end of bottom plate of second linkage section far from the hanging basket ontology 200
It is connect with the changeover portion, the third stiffening plate 209 and the 4th stiffening plate 210 are horizontally set with respectively in the hanging basket ontology
200 side plate, one end of side plate of the third stiffening plate 209 far from the hanging basket ontology 200 and second linkage section connect
It connects, one end of the side plate of the 4th stiffening plate 210 far from the hanging basket ontology 200 is connect with the changeover portion.Pass through positioning
Component reinforces extension tube attached 103, prevents 103 run-off the straight of extension tube attached during moving hanging basket ontology 200, and latent
The vibration due to immersible pump 100 is avoided when 100 operation of water pump and extension tube attached 103 is caused to fall off immersible pump 100.Specifically, first
There are two stiffening plate 207, the second stiffening plate 208, third stiffening plate 209 and the 4th stiffening plate 210 are respectively provided with, and respectively two-by-two
It is symmetrically distributed in the two sides of extension tube attached 103.In the present embodiment, the hanging basket ontology 200 is made of stainless steel, and first reinforces
Plate 207, the second stiffening plate 208, third stiffening plate 209 and the 4th stiffening plate 210 are angle steel, the first stiffening plate 207 and
Two stiffening plates 208 and the bottom plate of hanging basket ontology 200 weld, third stiffening plate 209 and the 4th stiffening plate 210 respectively with hanging basket sheet
The side plate of body 200 is fixedly welded.
The bottom plate of the hanging basket ontology 200 corresponds to the water inlet and is provided with filter screen (not shown).Filter screen
Setting mainly plays the role of filtering, when having suspended matter in the water for needing pump drainage, can be carried out by filter screen to water
After filter in entering water inlet, the risk that the immersible pump 100 blocks is reduced, the service life of the immersible pump 100 is improved.
Wherein, filtering Netcom screw is mounted on hanging basket ontology 200, is conveniently replaceable strainer.
The lateral surface of the top plate of the hanging basket ontology 200 and the lateral surface of the bottom plate are convexly equipped with anticollision strip respectively
211.Top plate lateral surface and bottom plate lateral surface be arranged anticollision strip 211, prevent fortune hang collision hanging basket ontology 200 damaged
It is bad.In the present embodiment, the anticollision strip 211 is rubber strip.The anticollision strip 211 passes through bolt and the hanging basket ontology 200
It is detachably connected, but in other examples, the anticollision strip 211 can also be bonded in hanging basket ontology by adhesive
On 200.
In embodiment, support leg of the bottom plate setting of the hanging basket ontology 200 due to supporting the hanging basket ontology 200
205, the support leg 205 is provided with gasket 206 far from one end of the hanging basket ontology 200, improves described hang using gasket 206
The stationarity of basket ontology 200 prevents the hanging basket ontology 200 from lateral deviation occurs.In other examples, for convenience to described
Movable pulley is arranged in the bottom plate of the support leg 205 processed in the movement of hanging basket ontology 200, and the setting of movable pulley is to exist for convenience
Movement of the movable pulley realization to hanging basket ontology 200 may be selected in the case where hanging in some external equipment fortune inconvenient to use, improves institute
State the use scope of immersible pump nacelle device.Preferably, locking member is arranged in the movable pulley, using locking member by movable pulley
Locking.
Specifically, the top plate of the hanging basket ontology 200 includes top plate frame 201 and several top plate transverse slats, the top plate
The both ends of transverse slat are separately connected top plate frame 201.In the present embodiment, four of top plate frame 201 are arranged in the lifting lug 212
On corner.
The bottom plate of the hanging basket ontology 200 includes bottom plate frame 203 and several bottom plate transverse slats 218, the bottom plate transverse slat
218 both ends are separately connected bottom plate frame 203, and there are two spaced first stiffeners for the position setting of neighbouring water outlet
215, one end of first stiffener 215 is connect with bottom plate frame 203, two one end and the bottom plate for forcing item close to described first
Transverse slat 218 connects, and the second stiffener 216 is connected between the first stiffener 215.Wherein, first stiffener 215 and second
Stiffener 216 is channel steel.
The side plate of the hanging basket ontology 200 includes side plate frame 202 and several side plate transverse slats 204, the side plate transverse slat
204 both ends are separately connected side plate frame 202.It is provided with marking plate 217 on the side plate, can be arranged on marking plate 217
The information of immersible pump 100 is easy to use.In the present embodiment, 200 shaping of hanging basket ontology is in rectangular configuration, is provided with four
A, four side plates are sequentially connected.But in other examples, side plate frame 202 can also be set to three, five, six
It is a or more.
After production hanging basket ontology 200 completes, antirust treatment is carried out in the periphery of the hanging basket ontology 200, specifically
Ground sprays epoxy zinc rich primer in the periphery of the hanging basket ontology 200, the hanging basket ontology 200 is prevented to be oxidized.
In the description of this article, it is to be understood that term " first ", " second " are only used for being distinguish in description,
Without particular meaning.
It is to be understood that above-mentioned specific embodiment is only that presently preferred embodiments of the present invention and institute's application technology are former
Reason, within the technical scope of the present disclosure, variation that anyone skilled in the art is readily apparent that or
Replacement, should be covered by the scope of protection of the present invention.
Claims (10)
1. a kind of immersible pump nacelle device, which is characterized in that including hanging basket ontology and immersible pump, the hanging basket ontology has bottom
Plate, top plate and side plate, and three encloses the cavity for setting and being formed and accommodating the immersible pump respectively, the bottom plate is provided with for installing
The immersible pump of the immersible pump places position, and the bottom plate offers water supply and enters the intrinsic water inlet of the hanging basket, described
Top plate is separately provided for transporting the fixation member of the lifting lug and the pipeline for fixing the immersible pump that hang for external equipment.
2. immersible pump nacelle device according to claim 1, which is characterized in that the lifting lug and the fixation member interval
Setting.
3. immersible pump nacelle device according to claim 1, which is characterized in that the side plate is close to the position of the top plate
It is convexly equipped with wire-hanging hook.
4. immersible pump nacelle device according to claim 1, which is characterized in that the fixation member is card line button.
5. immersible pump nacelle device according to claim 1, which is characterized in that the water outlet of the immersible pump is connected with outer
Adapter tube, the extension tube attached are connect far from one end of the immersible pump with exterior line.
6. immersible pump nacelle device according to claim 5, which is characterized in that the extension tube attached have the first linkage section,
Second linkage section and the changeover portion between first linkage section and second linkage section, first linkage section are remote
One end from the changeover portion is provided with the first connecting flange, first described in one end face of the water outlet of the immersible pump
Connecting flange is arranged the second connecting flange, first connecting flange and second connecting flange and is detachably connected by bolt
It connects, second linkage section is provided with third connecting flange far from one end of the changeover portion.
7. immersible pump nacelle device according to claim 6, which is characterized in that the arc-shaped structure of changeover portion, and institute
The both ends for stating changeover portion are separately connected first linkage section and second linkage section, and first linkage section is far from the mistake
The one end for crossing section extends along the short transverse of the hanging basket ontology.
8. immersible pump nacelle device according to claim 7, which is characterized in that the peripheral part of the extension tube attached, which is connected with, to be added
Strong component, the strengthening part include the first stiffening plate, the second stiffening plate, third stiffening plate and the 4th stiffening plate, and described the
One stiffening plate and second stiffening plate are built up in the bottom plate vertically respectively, and first stiffening plate is far from the bottom plate
One end is connect with first linkage section, and the one end of second linkage section far from the bottom plate is connect with the changeover portion, institute
It states third stiffening plate and the 4th stiffening plate is horizontally set with respectively on the side plate, the third stiffening plate is far from the side plate
One end is connect with second linkage section, and the described one end of 4th stiffening plate far from the side plate is connect with the changeover portion.
9. immersible pump nacelle device according to claim 1, which is characterized in that described in the bottom plate of the hanging basket ontology is corresponding
Water inlet is provided with filter screen.
10. immersible pump nacelle device according to any one of claims 1 to 9, which is characterized in that the lateral surface of the top plate
It is convexly equipped with anticollision strip respectively with the lateral surface of the bottom plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810847849.0A CN108946439A (en) | 2018-07-27 | 2018-07-27 | A kind of immersible pump nacelle device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810847849.0A CN108946439A (en) | 2018-07-27 | 2018-07-27 | A kind of immersible pump nacelle device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108946439A true CN108946439A (en) | 2018-12-07 |
Family
ID=64465484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810847849.0A Pending CN108946439A (en) | 2018-07-27 | 2018-07-27 | A kind of immersible pump nacelle device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108946439A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3741525A (en) * | 1971-12-15 | 1973-06-26 | W Smedley | Pump-pulling apparatus for wells |
| CN103233484A (en) * | 2013-04-17 | 2013-08-07 | 北京工业大学 | Circulating water supply system for centrifugal model testing and usage method thereof |
| CN206859288U (en) * | 2017-03-31 | 2018-01-09 | 珠海市争芳园林工程有限公司 | Mud agitating device is used in a kind of municipal administration |
| CN207420892U (en) * | 2017-11-01 | 2018-05-29 | 宁夏百益科创研究中心 | A kind of small sewage treatment plant overhauls automatic drain system |
| CN207500152U (en) * | 2017-11-23 | 2018-06-15 | 德能泵业（天津）有限公司 | Automatic regulating deep well submerged pump |
-
2018
- 2018-07-27 CN CN201810847849.0A patent/CN108946439A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3741525A (en) * | 1971-12-15 | 1973-06-26 | W Smedley | Pump-pulling apparatus for wells |
| CN103233484A (en) * | 2013-04-17 | 2013-08-07 | 北京工业大学 | Circulating water supply system for centrifugal model testing and usage method thereof |
| CN206859288U (en) * | 2017-03-31 | 2018-01-09 | 珠海市争芳园林工程有限公司 | Mud agitating device is used in a kind of municipal administration |
| CN207420892U (en) * | 2017-11-01 | 2018-05-29 | 宁夏百益科创研究中心 | A kind of small sewage treatment plant overhauls automatic drain system |
| CN207500152U (en) * | 2017-11-23 | 2018-06-15 | 德能泵业（天津）有限公司 | Automatic regulating deep well submerged pump |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181207 |
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| RJ01 | Rejection of invention patent application after publication |