CN111389824B - Tidal energy box pump channel auxiliary equipment for extruding loose soil by utilizing water pressure - Google Patents
Tidal energy box pump channel auxiliary equipment for extruding loose soil by utilizing water pressure Download PDFInfo
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- CN111389824B CN111389824B CN202010196305.XA CN202010196305A CN111389824B CN 111389824 B CN111389824 B CN 111389824B CN 202010196305 A CN202010196305 A CN 202010196305A CN 111389824 B CN111389824 B CN 111389824B
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- block
- movable column
- pump channel
- loose soil
- box pump
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 32
- 239000002689 soil Substances 0.000 title claims abstract description 16
- 238000001125 extrusion Methods 0.000 claims abstract description 10
- 239000004575 stone Substances 0.000 claims description 17
- 238000001179 sorption measurement Methods 0.000 claims description 16
- 230000000903 blocking effect Effects 0.000 claims description 11
- 238000000465 moulding Methods 0.000 claims description 7
- 239000012535 impurity Substances 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 9
- 238000003756 stirring Methods 0.000 abstract description 4
- 238000011065 in-situ storage Methods 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000001846 repelling effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009182 swimming Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
- B08B9/032—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B9/00—Water-power plants; Layout, construction or equipment, methods of, or apparatus for, making same
- E02B9/08—Tide or wave power plants
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/30—Energy from the sea, e.g. using wave energy or salinity gradient
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Water Treatment By Sorption (AREA)
Abstract
The invention relates to the technical field of tidal energy, and discloses tidal energy box pump channel auxiliary equipment for extruding and loosening soil by utilizing water pressure. Aerify to pipeline inside through hydraulic power extrusion piston, can make gas to the inside extrusion fixture block of activity post, magnetic force repels each other between fixture block and the sliding block, make the sliding block incessantly slide, will remove the post drive and slide, can make inside earth of passageway etc. stir to not hard up to the space that has the activity by the bottom of removing the post, can make the rivers of one side wash away it, the impurity of being inside with the passageway is opened by leading to, avoid the tide level to increase and make danger coefficient increase, endanger the safety of life on the land.
Description
Technical Field
The invention relates to the technical field of tidal energy, in particular to auxiliary equipment for a tidal energy box pump channel, which utilizes water pressure to extrude loose soil.
Background
According to the rise and fall conditions of tidal water, the swimming of the tidal water hits a channel under a water box, a channel is arranged in the water box, the tide can pass through the channel, the tidal energy can be collected and utilized, the energy of the nature can be saved, the cyclic utilization of partial energy is facilitated, and box pumps can be arranged side by side in most plain areas with poor geological conditions, so that the height of a building can be reduced, great convenience is brought to construction, and the structure size and the basic treatment are also facilitated.
The mode of handling like this can make its width increase, and according to the deviation of relief, casket pump pit bottom plate height differs, and during the use, the hydroenergy that similar big rainfall caused strikes, can drive the passway that plugs up the casket bottom with thick and heavy impurity such as earth, accumulates a period and can lead to the fact the jam for it, can not in time be led to the expert, will increase the danger coefficient, can extrude the road to the bank when rivers can't pass through, and the tide level increases, is unfavorable for the safety of land life.
Disclosure of Invention
Technical scheme (I)
In order to realize the purpose that the channel of the box pump can be automatically flushed when being blocked by fine impurities such as soil, the invention provides the following technical scheme: a tidal energy box pump channel auxiliary device capable of extruding loose soil by using water pressure comprises a channel, wherein an upper plug port is formed in the top of the channel, a plugging block is connected to the top of the channel in a sliding manner, a clamping strip is fixedly mounted at the side wall of the upper plug port, the inner wall of the clamping strip is movably mounted on a fixed block, a rotating shaft is movably mounted at the bottom of the fixed block, a piston is fixedly mounted at the bottom of the rotating shaft, a pipeline penetrates through the outer side of the bottom of the piston, a movable column is fixedly mounted at the bottom of the pipeline, a sliding sheet is movably mounted at the bottom of the movable column, a sliding block is connected to the side wall of the movable column in a sliding manner, a movable column is fixedly mounted at the outer side of the sliding block, a clamping block is fixedly mounted inside the, the inner side of the slip sheet is movably provided with a moving block, and the side wall of the outer end of the moving block is fixedly connected with an adsorption stone.
Preferably, the bottom of the block is opposite to the top of the upper plugging port, and when water flow impacts the right side wall of the block from the right side, the block can be pushed to slide rightwards, so that the outlet of the upper plugging port is opened.
Preferably, the right side of sprue is sharp molding, and the left side of sprue is the pitch arc molding, and the pressure that produces when the rivers on right side strike sprue right side wall can promote the sprue, and its left side curved design can make rivers strike and slide away along the arc when the left side of sprue, and water pressure reduces, is difficult to promote the sprue, consequently, when the while irregular beating of rivers is controlled, the sprue can move left.
Preferably, the outer side wall of the fixture block and the side wall of the sliding block are provided with magnets of the same polarity, the magnets of the same polarity repel each other, and when the interior of the fixture block is extruded and bulged by gas, the sliding block is extruded by the repelling force to slide left and right, so that the moving columns can slide together.
Preferably, the bottom of the fixture block is connected with the bottom of the movable column and is integrally formed, the fixture block at the position of the sliding block is extruded, and gas in the fixture block is led to the bottom of the movable column and can be swelled between the central shaft and the magnetic ring.
Preferably, the magnetic ring is positioned on the outer ring of the central shaft, and when the part of the movable column between the magnetic ring and the central shaft is affected by gas and swells, the magnetic ring can be supported and pushed outwards.
Preferably, the adsorption stone is fixedly connected with the outer end of the moving block through a flat belt, when the adsorption stone slides inwards, the moving block is pulled to overturn the outer end of the moving block after being pulled by a certain force in situ, so that the inner end of the moving block rotates to the side wall of the sliding piece in an arc shape, and the sliding piece is pushed outwards to push impurities.
Preferably, the magnets attached to the adsorption stone and the magnetic ring are opposite in polarity, opposite magnetic poles attract each other, and the magnetic ring can attract the adsorption stone when expanding outwards.
(II) advantageous effects
Compared with the prior art, the invention provides the auxiliary equipment for the tidal energy box pump channel, which utilizes water pressure to extrude loose soil, and has the following beneficial effects:
1. this utilize tidal energy casket pump passageway auxiliary assembly of not hard up earth of water pressure extrusion utilizes the impact force of rivers to be the sprue at passageway top, and the sprue designs into the molding of left part arc and right side straight line, can make rivers when assaulting, can receive the impact force of the water of one side and remove the sprue, and the impurity that can be convenient for decide rivers leads to one side, avoids water valve reverse flow.
2. This utilize tidal energy casket pump passageway auxiliary assembly of not hard up earth of water pressure extrusion, the power extrusion piston through water pressure inflates to pipeline inside, can make gas to the inside extrusion fixture block of activity post, magnetic force repulsion each other between fixture block and the sliding block, make the sliding block incessantly slide, will remove the post drive slip, can make inside earth of passageway etc. stir to not hard up to the space that has the activity by the bottom of removing the post, can make the rivers of one side wash away it, the impurity of being inside the passageway is opened by the expert, avoid the tide level to increase and make danger coefficient increase, endanger the safety of life on land.
3. This utilize tidal energy casket pump channel auxiliary assembly of water pressure extrusion not hard up earth, magnetic repulsion after stopping through the sliding block for gas extrusion to the bottom of activity post, outwards prop out the magnetosphere, catch the adsorption stone, can make the movable block promote the gleitbretter by the in-process of the outside upset in the opposite direction, outwards promote impurity, can avoid impurity to pile up, can make the impurity of the removal column bottom of same direction get rid of, avoid whole activity and make the resistance increase.
Drawings
FIG. 1 is a schematic front view of a structure of a channel and a moving column according to the present invention;
FIG. 2 is a schematic view of a connection structure between a side wall of a movable column and the movable column according to the present invention;
FIG. 3 is a schematic front view of the overall structure of the present invention;
fig. 4 is a bottom view of the bottom structure of the movable post of the present invention.
In the figure: the device comprises a channel 1, an upper plug opening 2, a plug block 201, a movable column 3, a movable column 4, a sliding block 5, a clamping block 6, a fixed block 7, a clamping strip 8, a rotating shaft 9, a piston 10, a pipeline 11, a sliding sheet 12, an adsorption stone 13, a movable block 14, a magnetic ring 15 and a central shaft 16.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, a tidal energy box pump channel auxiliary device for squeezing loose soil by using water pressure comprises a channel 1, an upper plug 2 is arranged at the top of the channel 1, a plug 201 is slidably connected to the top of the channel 1, a clamping strip 8 is fixedly arranged at the side wall of the upper plug 2, the inner wall of the clamping strip 8 is movably arranged at a fixed block 7, a rotating shaft 9 is movably arranged at the bottom of the fixed block 7, a piston 10 is fixedly arranged at the bottom of the rotating shaft 9, a pipeline 11 penetrates through the outer side of the bottom of the piston 10, a movable column 3 is fixedly arranged at the bottom of the pipeline 11, a sliding sheet 12 is movably arranged at the bottom of the movable column 3, a sliding block 5 is slidably connected to the side wall of the movable column 3, a movable column 4 is fixedly arranged at the outer side of the sliding block 5, a clamping block 6 is fixedly arranged inside the movable column 3, a central shaft 16 is fixedly arranged at the bottom shaft center of the movable column 3, a magnetic ring 15 is movably arranged at the bottom of the movable column 3, a moving block 14 is movably mounted on the inner side of the sliding sheet 12, and an adsorbing stone 13 is fixedly connected to the side wall of the outer end of the moving block 14.
Wherein, the bottom of the block 201 is opposite to the top of the upper plug port 2, when the water flow impacts the right side wall of the block 201 from the right side, the block 201 can be pushed to the right to slide off, so that the outlet of the upper plug port 2 is opened.
Wherein, the right side of sprue 201 is the straight line molding, and the left side of sprue 201 is the arc line molding, and the pressure that produces when the rivers on right side strike sprue 201 right side wall can promote sprue 201, and its left side curved design can make rivers strike and slide away along the arc when the left side of sprue 201, and water pressure reduces, is difficult to promote sprue 201, consequently, when the while irregular hitting of rivers is controlled, sprue 201 can move left.
Wherein, the lateral wall of fixture block 6 and the lateral wall department of sliding block 5 all are provided with like poles magnetite, and like poles repel each other, and when fixture block 6 is inside by the extrusion bulge of gas, sliding block 5 is pushed the side-to-side slip by the power that repels, can make and remove post 4 and slide together.
Wherein, the bottom of fixture block 6 links to each other and integrated into one piece with the bottom of activity post 3, and the fixture block 6 of slide 5 here is extruded, and the inside gas of fixture block 6 accesss to the bottom of activity post 3 and can swell to between center pin 16 and magnetic ring 15.
Wherein, the magnetic ring 15 is positioned at the outer ring of the central shaft 16, and when the part of the movable column 3 between the magnetic ring 15 and the central shaft 16 is expanded due to the influence of gas, the magnetic ring 15 can be supported and pushed outwards.
The outer ends of the adsorption stone 13 and the moving block 14 are fixedly connected through a flat belt, when the adsorption stone 13 slides inwards, the moving block 14 is pulled to overturn the outer end of the moving block 14 after being pulled by a certain force in situ, so that the inner end of the moving block 14 rotates to the side wall of the sliding piece 12 in an arc shape, and the sliding piece 12 is pushed outwards to push impurities.
The magnets attached to the adsorption stone 13 and the magnetic ring 15 are opposite in polarity, opposite magnetic poles attract each other, and the magnetic ring 15 can attract the adsorption stone 13 when expanding outwards.
The working principle is as follows: when the water flow blocking device is used, after the interior of the channel 1 is blocked, water flow is difficult to pass through the water flow blocking device, the water flow blocking device can cover the top of the channel 1, the impact of the water flow can push the right side wall of the blocking block 201, the left side of the blocking block 201 is arc-shaped, the right side of the blocking block is in a normal state, when the left side of the blocking block 201 is impacted by the water flow, the water flow can slide down along the arc-shaped side wall of the blocking block 201, and when the right side of the blocking block 201 is impacted by the water flow, the blocking block 201 can be pushed away from the upper plug port 2;
the water pressure causes a certain pressure to the upper plug port 2, so that the piston 10 is pressed downwards passively, the bottom of the piston 10 is extruded downwards in the pipeline 11, so that the gas extruded in the pipeline 11 flows to the inside of the movable column 3, the gas in the movable column 3 extrudes the fixture block 6, due to the timeliness of the water pressure, the gas received in the movable column 3 is fluctuated, the extruded fixture block 6 is also unevenly bulged, the side wall of the fixture block 6 and the sliding block 5 are both provided with magnetic poles of the same polarity, when the fixture block 6 is unevenly bulged, the sliding block 5 is repelled from the sliding port on the side wall of the movable column 3 to drive the movable column 4 to slide leftwards and rightwards continuously, the bottom of the movable column 4 can stir the substances with smaller particles such as the soil blocked in the channel 1 through sliding, and the bubbles generated in the movable column can be flushed out due to loose;
when the moving column 4 cannot be pushed, the moving column stops moving, so that the sliding block 5 at the top end of the moving column 4 cannot move, therefore, the fixture block 6 at the position of the sliding block 5 is extruded, gas in the fixture block 6 is led to the bottom of the moving column 3 to bulge between the central shaft 16 and the magnetic ring 15, the magnetic ring 15 at the position bulges outwards, the adsorption stone 13 in the same direction is sucked, when the adsorption stone 13 is pulled inwards, the moving block 14 is limited to a certain extent, the inner end of the moving block is pulled to turn over and push the sliding sheet 12, so that the sliding sheet 12 is in an arc shape to push impurities which are difficult to stir outwards, the impurities can be prevented from being accumulated, after the moving column 4 is no longer blocked, the moving column moves again, and the moving block 14 can also restore to the original shape.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides an utilize water pressure extrusion not hard up tidal energy box pump passageway auxiliary assembly of earth, includes passageway (1), its characterized in that: an upper plug opening (2) is formed in the top of the channel (1), a plugging block (201) is connected to the top of the channel (1) in a sliding mode, a clamping strip (8) is fixedly installed at the side wall of the upper plug opening (2), the inner wall of the clamping strip (8) is movably installed on a fixed block (7), a rotating shaft (9) is movably installed at the bottom of the fixed block (7), a piston (10) is fixedly installed at the bottom of the rotating shaft (9), a pipeline (11) penetrates through the outer side of the bottom of the piston (10), a movable column (3) is fixedly installed at the bottom of the pipeline (11), a sliding sheet (12) is movably installed at the bottom of the movable column (3), a sliding block (5) is connected to the slide block at the side wall of the movable column (3) in a sliding mode, a movable column (4) is fixedly installed on the outer side of the movable column (5), a clamping block (6) is fixedly installed inside the movable column (3), and a central shaft center shaft (16) is fixedly installed at the bottom of the movable column (3), the bottom of the movable column (3) is movably provided with a magnetic ring (15), the inner side of the sliding sheet (12) is movably provided with a movable block (14), and the outer end side wall of the movable block (14) is fixedly connected with an adsorption stone (13).
2. The tidal power box pump channel aid for hydraulically squeezing loose soil of claim 1, wherein: the bottom of the blocking block (201) is opposite to the top of the upper plugging opening (2).
3. The tidal power box pump channel aid for hydraulically squeezing loose soil of claim 1, wherein: the right side of sprue (201) is the straight line molding, and the left side of sprue (201) is the arc line molding.
4. The tidal power box pump channel aid for hydraulically squeezing loose soil of claim 1, wherein: and magnets of the same polarity are arranged on the outer side wall of the clamping block (6) and the side wall of the sliding block (5).
5. The tidal power box pump channel aid for hydraulically squeezing loose soil of claim 1, wherein: the bottom of the clamping block (6) is connected with the bottom of the movable column (3) and is integrally formed.
6. The tidal power box pump channel aid for hydraulically squeezing loose soil of claim 1, wherein: the magnetic ring (15) is positioned on the outer ring of the central shaft (16).
7. The tidal power box pump channel aid for hydraulically squeezing loose soil of claim 1, wherein: the adsorption stone (13) is fixedly connected with the outer end of the moving block (14) through a flat belt.
8. The tidal power box pump channel aid for hydraulically squeezing loose soil of claim 1, wherein: the magnets attached to the adsorption stone (13) and the magnetic ring (15) are mutually opposite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010196305.XA CN111389824B (en) | 2020-03-19 | 2020-03-19 | Tidal energy box pump channel auxiliary equipment for extruding loose soil by utilizing water pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010196305.XA CN111389824B (en) | 2020-03-19 | 2020-03-19 | Tidal energy box pump channel auxiliary equipment for extruding loose soil by utilizing water pressure |
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| CN111389824A CN111389824A (en) | 2020-07-10 |
| CN111389824B true CN111389824B (en) | 2021-08-17 |
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| CN202010196305.XA Active CN111389824B (en) | 2020-03-19 | 2020-03-19 | Tidal energy box pump channel auxiliary equipment for extruding loose soil by utilizing water pressure |
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| CN112808712A (en) * | 2020-12-30 | 2021-05-18 | 广州市伍陆壹电子商务有限公司 | Modern ecological agriculture big-arch shelter fertilizer injection unit that grows seedlings |
| CN113045165A (en) * | 2021-03-24 | 2021-06-29 | 深圳市滨特尔环保设备有限公司 | Sludge treatment equipment for sewage treatment |
| CN113279477A (en) * | 2021-05-24 | 2021-08-20 | 张玲 | Can avoid earth to pile up energy-conserving sludge impoundment auxiliary device who causes intraductal jam |
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| US7086486B2 (en) * | 2004-02-05 | 2006-08-08 | Bj Services Company | Flow control valve and method of controlling rotation in a downhole tool |
| CN102086832A (en) * | 2011-02-11 | 2011-06-08 | 白山发电厂 | Water guiding device for hydroelectric power |
| CN103452744B (en) * | 2013-09-01 | 2016-08-31 | 马进中 | A kind of oceanic tide drop pump water energy-storing and power-generating system of removable installation |
| CN103806490A (en) * | 2014-03-13 | 2014-05-21 | 吴德万 | Automatic water body bottom dredging system |
| CN204544909U (en) * | 2015-03-26 | 2015-08-12 | 中新苏州工业园区环保技术有限公司 | A kind of sewage disposal process instrument sample lines block clearing optimization device |
| CN208025142U (en) * | 2017-12-07 | 2018-10-30 | 衢州虎山混凝土有限公司 | Concrete pumping pipe block part detection device |
| CN109513693B (en) * | 2018-11-21 | 2021-08-31 | 锐驰高科股份有限公司 | Method for cleaning large-caliber complex pipeline |
| CN110004893A (en) * | 2019-04-18 | 2019-07-12 | 王晖 | Tidal power generating device |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information | ||
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Inventor after: Song Meng Inventor after: Wen Jie Inventor before: Wen Jie |
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| TA01 | Transfer of patent application right | ||
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Effective date of registration: 20210723 Address after: 272300 North 1st ring road south and Guting Road East, Yutai County Economic Development Zone, Jining City, Shandong Province Applicant after: YUTAI COUNTY WOLONG PUMP MANUFACTURING Co.,Ltd. Address before: Room 301, unit 1, building 2, No. 321 Huling 1st Road, Guting Town, Yutai County, Jining City, Shandong Province Applicant before: Wen Jie |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: The utility model relates to a tidal energy box pump channel auxiliary equipment for squeezing loose soil by water pressure Effective date of registration: 20211117 Granted publication date: 20210817 Pledgee: Shandong Yutai Rural Commercial Bank Co.,Ltd. Pledgor: YUTAI COUNTY WOLONG PUMP MANUFACTURING CO.,LTD. Registration number: Y2021980012685 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20231026 Granted publication date: 20210817 Pledgee: Shandong Yutai Rural Commercial Bank Co.,Ltd. Pledgor: YUTAI COUNTY WOLONG PUMP MANUFACTURING CO.,LTD. Registration number: Y2021980012685 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A Tidal Energy Box Pump Channel Auxiliary Equipment Using Water Pressure to Squeeze Loose Soil Effective date of registration: 20231030 Granted publication date: 20210817 Pledgee: Shandong Yutai Rural Commercial Bank Co.,Ltd. Pledgor: YUTAI COUNTY WOLONG PUMP MANUFACTURING CO.,LTD. Registration number: Y2023110000454 |