CN105973526B - One kind automatically controlling dam hydraulic pressure force checking device and its monitoring method - Google Patents
One kind automatically controlling dam hydraulic pressure force checking device and its monitoring method Download PDFInfo
- Publication number
- CN105973526B CN105973526B CN201610366484.0A CN201610366484A CN105973526B CN 105973526 B CN105973526 B CN 105973526B CN 201610366484 A CN201610366484 A CN 201610366484A CN 105973526 B CN105973526 B CN 105973526B
- Authority
- CN
- China
- Prior art keywords
- seal casinghousing
- dam
- strainer
- water
- sealing
- 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.)
- Active
Links
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D16/00—Control of fluid pressure
- G05D16/20—Control of fluid pressure characterised by the use of electric means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L11/00—Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by means not provided for in group G01L7/00 or G01L9/00
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/06—Means for preventing overload or deleterious influence of the measured medium on the measuring device or vice versa
Abstract
One kind automatically controlling dam hydraulic pressure force checking device, characterized in that including seal casinghousing, described seal casinghousing one end is equipped with strainer, and the other end is equipped with dismountable sealing pullover, and the seal casinghousing end strainer side is equipped with fixation and connects block；Hydraulic cylinder is mounted in the apparatus container inside seal casinghousing, and the telescopic rod of the hydraulic cylinder is pierced by apparatus container, and top is equipped with matches the work movable contact block that strainer is blocked in sealing with the fixed block that connects；The sealing pullover is installed above to have the connector being connected to in seal casinghousing, pressure gauge to be mounted on on the water pipe of fittings, and the water pipe water outlet is additionally provided with solenoid valve one.Compared with prior art, it is an advantage of the invention that：By the way that the present apparatus is cast in above dam, automatically by the pressure measured with Sluice Control System to connecting, accomplish real-time control, the present apparatus is simple in structure, in terms of making, while at low cost.
Description
Technical field
The invention belongs to hydraulic engineering technical fields, and in particular to a kind of water conservancy hydraulic control multipurpose dam and its controlling party
Method.
Background technology
Dam is block rivers ditch water flow with raising of water level or the water retaining structure of adjusting flow.Reservoir can be formed, is lifted
High water level, concentrates head at regulated flow, for flood control, water supply, irrigation, hydroelectric generation, improvement shipping etc..Adjust river regime, protection
The river regulating structure of bank bed is also referred to as dam, such as groynes, longitudinal dike and ground sills etc..Currently, being opened automatically by water level control dam
The dam or power station for opening and being closed gate to reach automatic water-storage and flood discharge function are applied, and water level control mainly passes through
The swing of gravitation ball and floating ball measures the height regulating gate of water level in dam.And, water level seldom by the device of hydraulic pressure control
It is very high to control its construction cost.
Invention content
The present invention is directed to disadvantage mentioned above, and construction cost is opened and closed using water level control based on the existing dam that automatically controls is solved
High problem.It proposes one kind and automatically controlling dam hydraulic pressure force checking device and its monitoring method, the apparatus structure is simple, cost
It is low, it measures accurate.
To achieve the purpose of the present invention, the technical solution adopted by the present invention is：
One kind automatically controlling dam hydraulic pressure force checking device, characterized in that including seal casinghousing, described seal casinghousing one end
Strainer is installed, the other end is equipped with dismountable sealing pullover, and the seal casinghousing end strainer side is equipped with fixation and connects block；Liquid
Cylinder pressure is mounted in the apparatus container inside seal casinghousing, and the telescopic rod of the hydraulic cylinder is pierced by apparatus container, top
It is equipped with and matches the work movable contact block that strainer is blocked in sealing with the fixed block that connects；The sealing pullover is installed above to be had and seal casinghousing
The connector of interior connection, pressure gauge are mounted on on the water pipe of fittings, and the water pipe water outlet is additionally provided with solenoid valve one.
Preferentially, the sealing shroud overhead is additionally provided with overturning sealing cover.
Preferentially, the telescopic rod, which is pierced by apparatus container, is additionally provided with rubber seal.
Preferentially, it is stepped groove fitted seal or slope fitted seal that the fixation, which connects block with movable contact block fitted seal living,.
The present invention in order to prevent using deposited mud blocked by the interior long-time of seal casinghousing, is additionally provided on connector direct with seal casinghousing
What is be connected to is used for the outlet pipe of cleaning, and solenoid valve two is equipped on outlet pipe.By periodically sealing cleaning, water-pressure survey ensure that
Accuracy.
Based on above-mentioned apparatus, the invention also provides one kind automatically controlling dam water pressure detection arrangement monitors method,
It is characterized in, includes the following steps：
(1) present apparatus is fixed when dam body is poured by design monitoring point, is cast on dam body, strainer is laid in water
The water storage side on dam；
(2) pressure gauge, hydraulic cylinder, solenoid valve one are connected into computer control system with solenoid valve two by data line；
(3) when needing monitoring pressure in real time, solenoid valve one and solenoid valve two are closed, and hydraulic cylinder is controlled by computer
Telescopic rod retreats, and movable contact block living is made to connect block with fixed and detach, in dam water body by the opening of dislocation into oral siphon, pressure gauge survey
It obtains hydraulic pressure and computer control system is returned to by data line, obtain real-time water pressure；In addition, the invention also provides to this dress
The step of mud deposited inside seal casinghousing is cleaned is set, the telescopic rod that hydraulic cylinder is controlled by computer advances, and makes work
Movable contact block connects block closing seam with fixation, solenoid valve one and solenoid valve two is opened, while the injected clear water into water pipe, clear water exists
Seal casinghousing internal washing mud forms mud, is discharged by outlet pipe, until outlet pipe discharge is all clear water.
Compared with prior art, it is an advantage of the invention that：By the way that the present apparatus to be cast in above dam, will measure automatically
Pressure be connected with Sluice Control System, accomplish real-time control, automatic water-storage and flood discharge, the present apparatus is simple in structure, making side
Face, at the same it is at low cost.
Description of the drawings
Brief description is next carried out to the present invention by means of the attached drawing of embodiment now.In attached drawing：
Fig. 1 shows that the present invention automatically controls the schematic diagram of dam hydraulic pressure force checking device；
Fig. 2 shows the structural schematic diagrams of the connector of Fig. 1；
Fig. 3 shows schematic diagram when the present apparatus uses.
In figure：1, solenoid valve one, 2, pressure gauge, 3, overturning sealing cover, 4, connector, 5, sealing pullover, 6, hydraulic cylinder, 7, stretch
Contracting bar, 8, apparatus container, 9, rubber seal, 11, strainer, 12, movable contact block living, 14, outlet pipe, 15, seal casinghousing, 16, solid
Surely block is connect, 17, water pipe, 20, dam body.
Specific implementation mode
With reference to specific embodiment, the present invention is described in detail.Following embodiment will be helpful to the technology of this field
Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that the ordinary skill of this field
For personnel, without departing from the inventive concept of the premise, various modifications and improvements can be made.These belong to the present invention
Protection domain.
Embodiment 1
As depicted in figs. 1 and 2, one kind automatically controlling dam hydraulic pressure force checking device, including seal casinghousing 15, the sealing
Shell 15 is round or rectangular, and one end is equipped with the strainer 11 for blocking weeds, and the other end is equipped with dismountable close
Big envelope head 5, sealing pullover 5 movable can be dismantled, replacement easy to repair in this way, and 5 top of sealing pullover is additionally provided with overturning sealing cover
3.15 end strainer of seal casinghousing, 11 side is equipped with fixation and connects block 16；Fixation connects block 16 and is linked together with seal casinghousing 15, solderable
Fixed, size is to block the half of 15 port of seal casinghousing.
Hydraulic cylinder 6 is mounted in the apparatus container 8 inside seal casinghousing 15, and the telescopic rod 7 of hydraulic cylinder 6 is pierced by device
Container 8, telescopic rod 7, which is pierced by apparatus container 8, is additionally provided with rubber seal 9, can prevent apparatus container 8 from intaking in this way.It is flexible
Its top of bar 7 is equipped with matches the work movable contact block 12 that strainer 11 is blocked in sealing with the fixed block 16 that connects；It is fixed to connect block 16 and activity
It is stepped groove fitted seal to connect 12 fitted seal mode of block.Sealing pullover 5 it is installed above have with seal casinghousing 15 in be connected to connect
First 4, pressure gauge 2 is mounted on the water pipe 17 being connected to connector 4, and 17 water outlet of the water pipe is additionally provided with solenoid valve 1, in order to anti-
It is only blocked for a long time using deposited mud in seal casinghousing 15, is additionally provided on connector 4 and is directly connected to in seal casinghousing 15
The outlet pipe 14 for cleaning, two (not shown) of solenoid valve is installed on outlet pipe 14.By periodically sealing cleaning, protect
The accuracy of water-pressure survey is demonstrate,proved.Two (not shown) of solenoid valve, solenoid valve 1, hydraulic cylinder 6 and pressure gauge 2 pass through number
Computer control system is connected according to line, computer control system controls dam sluice gate closing device simultaneously.
Based on above-mentioned apparatus, the invention also provides one kind automatically controlling dam water pressure detection arrangement monitors method, packet
Include following steps：
(1) when dam is built, the present apparatus is fixed by design monitoring point (such as Fig. 3 institutes when dam body 20 is poured
Show), it is cast on dam body, strainer 11 is laid in the water storage side of dam；
(2) pressure gauge 2, hydraulic cylinder 6, solenoid valve 1 and two (not shown) of solenoid valve are connected into meter by data line
Calculation machine control system, computer control system control dam sluice gate closing device simultaneously；
(3) when needing monitoring pressure in real time, solenoid valve 1 and two (not shown) of solenoid valve are closed, and calculating is passed through
The telescopic rod 7 that machine controls hydraulic cylinder 6 retreats, and so that movable contact block 12 living is connect block 16 with fixation and detaches, water body opening by dislocation in dam
Mouthful into oral siphon 17, pressure gauge 2 measures hydraulic pressure and returns to computer control system by data line, obtains real-time water pressure.
Computer control system monitors hydraulic pressure by obtained real-time water pressure, when hydraulic pressure reaches the peak of setting in dam
When value, computer control system controls dam sluice gate and opens flood discharge, and in flood discharge, water pressure does not stop to change really simultaneously, works as water pressure
When reaching the standard of water storage, computer control system controls dam sluice gate and closes water storage, and two actions are required for pressure gauge 2 real-time
Monitor dam internal water pressure.
In addition, the present apparatus is for a long time in use, the muddiness inside it due to Reservoir Water Quality will produce siltation.Cause
This, the step of cleaning the invention also provides the mud deposited to 15 inside of present apparatus seal casinghousing,
(1) telescopic rod 7 that hydraulic cylinder 6 is controlled by computer advances, make movable contact block 12 living and fixation connect block 16 be closed it is close
Envelope, such whole device inner sealing open solenoid valve 1 and two (not shown) of solenoid valve, while into water pipe 17
Injected clear water, clear water form mud in 15 internal washing mud of seal casinghousing, are discharged by outlet pipe 14, monitor 14 row of outlet pipe
The water quality gone out, until the discharge of outlet pipe 14 is all clear water.
Claims (2)
1. one kind automatically controlling dam hydraulic pressure force checking device, characterized in that including seal casinghousing（15）, the seal casinghousing
（15）One end is equipped with strainer（11）, the other end, which is equipped with, removably seals pullover（5）, the seal casinghousing（15）It filters end
Net（11）Side is equipped with fixation and connects block（16）；Hydraulic cylinder（6）It is mounted on seal casinghousing（15）Internal apparatus container（8）It is interior,
The hydraulic cylinder（6）Telescopic rod（7）It is pierced by apparatus container（8）, telescopic rod（7）Top be equipped with fixation connect block（16）Phase
Fitted seal blocks strainer（11）Work movable contact block（12）；The sealing pullover（5）Installed above have and seal casinghousing（15）It is interior
The connector of connection（4）, pressure gauge（2）It is mounted on and connector（4）The water pipe of connection（17）On, the water pipe（17）Water outlet is also set
There is solenoid valve one（1）；
The sealing pullover（5）Top is additionally provided with overturning sealing cover（3）；The telescopic rod（7）It is pierced by apparatus container（8）Place is also set
There is rubber seal（9）.
2. automatically controlling dam hydraulic pressure force checking device as described in claim 1, characterized in that the connector（4）On also set
Have and seal casinghousing（15）The outlet pipe for cleaning being inside directly connected to（14）, outlet pipe（14）On solenoid valve two is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610366484.0A CN105973526B (en) | 2014-12-04 | 2014-12-04 | One kind automatically controlling dam hydraulic pressure force checking device and its monitoring method |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410725866.9A CN104535249B (en) | 2014-12-04 | 2014-12-04 | One automatically controls dam hydraulic pressure force checking device and monitoring method thereof |
| CN201610366484.0A CN105973526B (en) | 2014-12-04 | 2014-12-04 | One kind automatically controlling dam hydraulic pressure force checking device and its monitoring method |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410725866.9A Division CN104535249B (en) | 2014-12-04 | 2014-12-04 | One automatically controls dam hydraulic pressure force checking device and monitoring method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105973526A CN105973526A (en) | 2016-09-28 |
| CN105973526B true CN105973526B (en) | 2018-11-13 |
Family
ID=52850823
Family Applications (6)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410725866.9A Expired - Fee Related CN104535249B (en) | 2014-12-04 | 2014-12-04 | One automatically controls dam hydraulic pressure force checking device and monitoring method thereof |
| CN201610366485.5A Active CN105955330B (en) | 2014-12-04 | 2014-12-04 | One kind automatically controlling dam hydraulic pressure force checking device and its monitoring method |
| CN201610366490.6A Active CN105807802B (en) | 2014-12-04 | 2014-12-04 | A kind of automatic control dam hydraulic pressure force checking device and its monitoring method |
| CN201610366488.9A Active CN106017781B (en) | 2014-12-04 | 2014-12-04 | A kind of automatic control dam hydraulic pressure force checking device and its monitoring method |
| CN201610366484.0A Active CN105973526B (en) | 2014-12-04 | 2014-12-04 | One kind automatically controlling dam hydraulic pressure force checking device and its monitoring method |
| CN201610366486.XA Active CN106017780B (en) | 2014-12-04 | 2014-12-04 | A kind of automatic control dam hydraulic pressure force checking device and its monitoring method |
Family Applications Before (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410725866.9A Expired - Fee Related CN104535249B (en) | 2014-12-04 | 2014-12-04 | One automatically controls dam hydraulic pressure force checking device and monitoring method thereof |
| CN201610366485.5A Active CN105955330B (en) | 2014-12-04 | 2014-12-04 | One kind automatically controlling dam hydraulic pressure force checking device and its monitoring method |
| CN201610366490.6A Active CN105807802B (en) | 2014-12-04 | 2014-12-04 | A kind of automatic control dam hydraulic pressure force checking device and its monitoring method |
| CN201610366488.9A Active CN106017781B (en) | 2014-12-04 | 2014-12-04 | A kind of automatic control dam hydraulic pressure force checking device and its monitoring method |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610366486.XA Active CN106017780B (en) | 2014-12-04 | 2014-12-04 | A kind of automatic control dam hydraulic pressure force checking device and its monitoring method |
Country Status (1)
| Country | Link |
|---|---|
| CN (6) | CN104535249B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106525322A (en) * | 2016-12-01 | 2017-03-22 | 浙江海洋大学 | Reservoir dam pressure monitoring device and monitoring method thereof |
| CN109946165B (en) * | 2019-03-19 | 2021-06-15 | 文志敏 | Detection device for detecting bearing capacity of sluice dam |
| CN110398313A (en) * | 2019-09-04 | 2019-11-01 | 中国电建集团中南勘测设计研究院有限公司 | A kind of flowing pressure measuring device and method |
| CN111366287B (en) * | 2020-04-13 | 2020-12-15 | 山东瑞谱检测技术有限公司 | Water pressure monitoring device for reservoir |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103398817A (en) * | 2013-08-08 | 2013-11-20 | 中国水利水电科学研究院 | Sand-resistant strainer device for muddy water pressure measurement and using method of sand-resistant strainer device |
| CN203414226U (en) * | 2013-08-08 | 2014-01-29 | 中国水利水电科学研究院 | Filter screen sand-blocking device for muddy water pressure measurement |
| CN203502164U (en) * | 2013-10-21 | 2014-03-26 | 水利部农村电气化研究所 | Anti-clogging osmometer capable of measuring osmotic pressure |
| CN103852210A (en) * | 2012-12-03 | 2014-06-11 | 中国长江电力股份有限公司 | Anti-blocking apparatus for piezometer tube of water turbine |
| CN104019947A (en) * | 2014-06-16 | 2014-09-03 | 长沙金虹水工机械厂 | Gate detecting equipment for monitoring practical waterpower environment |
Family Cites Families (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2992826B2 (en) * | 1990-02-20 | 1999-12-20 | 株式会社共和電業 | Lift pressure and drainage measurement device in the embankment behavior monitoring device |
| JPH0540055A (en) * | 1991-08-06 | 1993-02-19 | Fujitsu Ltd | Water level measuring device |
| JP2001271328A (en) * | 2000-03-28 | 2001-10-05 | Bridgestone Corp | Internal pressure regulating apparatus for flexible bag body, flexible film weir using the same, and internal pressure regulating method for the same |
| JP2002340636A (en) * | 2001-05-15 | 2002-11-27 | Nihon Hels Industry Corp | Flowmeter for movable overflow weir |
| DE10240252A1 (en) * | 2002-08-31 | 2004-03-11 | Sig Technology Ltd. | Method and device for pneumatic control |
| US8215329B2 (en) * | 2008-02-01 | 2012-07-10 | Woodward, Inc. | Digital closed loop proportional hydraulic pressure controller |
| CN201373762Y (en) * | 2009-02-11 | 2009-12-30 | 珠海市德莱环保科技有限公司 | Wireless osmotic pressure monitoring device for large dam of reservoir |
| CN201364186Y (en) * | 2009-02-11 | 2009-12-16 | 珠海市德莱环保科技有限公司 | Wireless osmotic pressure monitoring system for reservoir dam |
| CN201517952U (en) * | 2009-09-18 | 2010-06-30 | 安徽省（水利部淮河水利委员会）水利科学研究院 | Safe monitoring device for gate dam |
| CN101718605B (en) * | 2009-12-03 | 2011-01-19 | 黄标 | Sensor for measuring pressure of water in soil at bottom of dam, river and lake and measuring method |
| CN101806608B (en) * | 2010-04-21 | 2011-08-24 | 太原科技大学 | Seepage flow and seepage pressure monitoring device |
| CN201990985U (en) * | 2010-12-23 | 2011-09-28 | 成都锐达自动控制有限公司 | Dam double cylinder hydraulic gate intelligent control system |
| CN202247833U (en) * | 2011-09-10 | 2012-05-30 | 无锡市政设计研究院有限公司 | Device for measuring and monitoring underground water pressure |
| CN102853875A (en) * | 2012-10-06 | 2013-01-02 | 南京大五教育科技有限公司 | Measuring method for storage capacity of reservoir |
| CN103345278A (en) * | 2013-06-25 | 2013-10-09 | 葛洲坝集团试验检测有限公司 | Constant head mass-flow seepage deformation water pressure automatic control device |
| CN103674347B (en) * | 2013-12-10 | 2016-01-20 | 太原理工大学 | A kind of hollow soft elasticity inductor drilling hole stress sensor and detection method |
| CN104032719B (en) * | 2014-03-14 | 2015-10-28 | 水利部交通运输部国家能源局南京水利科学研究院 | A kind of dam seepage pressure tester |
| CN203811318U (en) * | 2014-05-20 | 2014-09-03 | 哈尔滨理工大学 | Fiber-bragg grating pressure sensor used for dam osmotic pressure monitoring based on diaphragm-type packaging structure |
-
2014
- 2014-12-04 CN CN201410725866.9A patent/CN104535249B/en not_active Expired - Fee Related
- 2014-12-04 CN CN201610366485.5A patent/CN105955330B/en active Active
- 2014-12-04 CN CN201610366490.6A patent/CN105807802B/en active Active
- 2014-12-04 CN CN201610366488.9A patent/CN106017781B/en active Active
- 2014-12-04 CN CN201610366484.0A patent/CN105973526B/en active Active
- 2014-12-04 CN CN201610366486.XA patent/CN106017780B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103852210A (en) * | 2012-12-03 | 2014-06-11 | 中国长江电力股份有限公司 | Anti-blocking apparatus for piezometer tube of water turbine |
| CN103398817A (en) * | 2013-08-08 | 2013-11-20 | 中国水利水电科学研究院 | Sand-resistant strainer device for muddy water pressure measurement and using method of sand-resistant strainer device |
| CN203414226U (en) * | 2013-08-08 | 2014-01-29 | 中国水利水电科学研究院 | Filter screen sand-blocking device for muddy water pressure measurement |
| CN203502164U (en) * | 2013-10-21 | 2014-03-26 | 水利部农村电气化研究所 | Anti-clogging osmometer capable of measuring osmotic pressure |
| CN104019947A (en) * | 2014-06-16 | 2014-09-03 | 长沙金虹水工机械厂 | Gate detecting equipment for monitoring practical waterpower environment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105807802B (en) | 2018-11-20 |
| CN105807802A (en) | 2016-07-27 |
| CN105955330A (en) | 2016-09-21 |
| CN106017781B (en) | 2018-12-28 |
| CN104535249B (en) | 2016-09-21 |
| CN106017781A (en) | 2016-10-12 |
| CN106017780B (en) | 2019-01-01 |
| CN105955330B (en) | 2018-09-25 |
| CN105973526A (en) | 2016-09-28 |
| CN106017780A (en) | 2016-10-12 |
| CN104535249A (en) | 2015-04-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105973526B (en) | One kind automatically controlling dam hydraulic pressure force checking device and its monitoring method | |
| CN106702952B (en) | A kind of earth and rockfill dam landslide observed seepage behavior simulation test device and method | |
| CN202330232U (en) | Device for testing permeability coefficient of pervious concrete | |
| KR101054655B1 (en) | Operation method of rubber dam with easy water level control | |
| CN101545251B (en) | Method for storing and getting water by blocking river on natural river course | |
| CN107261587A (en) | A kind of filter screen automatically cleaning dregs filter | |
| CN201762694U (en) | Dam flow guiding device | |
| CN206441014U (en) | A kind of irrigation and water conservancy disaster alarm and system of defense | |
| CN205280549U (en) | Chang shuitou ground body osmotic coefficient testing arrangement is moved in light perturbation | |
| CN203821294U (en) | Model test device for simulating reservoir earth dam seepage damage developing process | |
| CN106847048B (en) | Simulate the emulation Boundary Test system of artesian groundwater recharge | |
| CN206768791U (en) | Groundwater monitoring, alarm and automatic recharge system on the outside of deep basal pit | |
| CN109339215A (en) | Replacement of not cutting off the water supply passes in and out the device and method of sluice gate | |
| CN106525322A (en) | Reservoir dam pressure monitoring device and monitoring method thereof | |
| CN206235427U (en) | Reservoir dam pressure monitoring device | |
| CN208072434U (en) | Subway foundation pit dewatering well vacuum system | |
| CN207619949U (en) | Diversion system for Power Tunnels | |
| CN205605444U (en) | Simple and easy water filling device of water pump | |
| CN206205007U (en) | A kind of building underground structure leakage-resistant device | |
| CN205576851U (en) | A stagnant water thick liquid cementer that is used for stagnant water inspection groove shutoff | |
| CN105735200B (en) | The water-stop slurry grouting method and device that slot blocks are checked for sealing | |
| CN206591488U (en) | A kind of novel plastic combines dam | |
| CN218736387U (en) | Irrigation water pipe | |
| CN108708355A (en) | The steel dam structure of water environment treatment | |
| CN219046925U (en) | Convenient and quick unpowered flood prevention drought resistance emergency drainage and irrigation device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20180928 Address after: 350200 shop 15, Yongle garden, Wu Hang street, Changle, Fujian Applicant after: Changle Zhirui HENGCHUANG energy technology limited liability company Address before: 400060 No. 31, Group 5, Sanduo Village, Fuguo Town, Tongliang County, Chongqing Applicant before: Xiong Dayu |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201105 Address after: 239300 Chengdong Industrial Zone, Chuzhou, Anhui, Tianchang Patentee after: Anhui Xincheng Pump Valve Co.,Ltd. Address before: 350200 shop 15, Yongle garden, Wu Hang street, Changle, Fujian Patentee before: CHANGLE ZHIRUI HENGCHUANG ENERGY SAVING TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right |