CN208235703U - One kind exempting from coil type Large Diameter Pipeline plugging device of going into the well - Google Patents
One kind exempting from coil type Large Diameter Pipeline plugging device of going into the well Download PDFInfo
- Publication number
- CN208235703U CN208235703U CN201820808591.9U CN201820808591U CN208235703U CN 208235703 U CN208235703 U CN 208235703U CN 201820808591 U CN201820808591 U CN 201820808591U CN 208235703 U CN208235703 U CN 208235703U
- Authority
- CN
- China
- Prior art keywords
- rubber winding
- runner
- hydraulic
- winding component
- carrier vehicle
- 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
Landscapes
- Pipe Accessories (AREA)
Abstract
The utility model relates to one kind to exempt from coil type Large Diameter Pipeline plugging device of going into the well, including carrier vehicle and the diesel engine, hydraulic power station, the rubber winding component that are set in carrier vehicle；Hydraulic power station is connect with hydraulic motor and Driven by Hydraulic Cylinder；Hydraulic motor is set on the lower part fixed support plate at pipeline bottom upstream and downstream nozzle to be repaired；One end of hydraulic motor and rubber winding component is drivingly connected, and is rotated by hydraulic motor and one end of rubber winding is driven to rotate to form cylindrical tube shape, and be placed on the fixed support plate of lower part；One end of hydraulic cylinder is connected with top fixed support plate, and the other end is connect with the cylindrical tube shape rubber winding Component driver on the fixed support plate of lower part for upstream and downstream nozzle of the cylindrical tube shape rubber winding component to pipeline to be repaired to be carried out closure upstream line.It has many advantages, such as that reasonable in design, easy for operation, maintenance cost is low, automation and intelligentification degree is high, can effectively solve the problem that and think that lower well operations risk is difficult to ensure.
Description
Technical field
The utility model relates to drain underground piping facility maintenance technical field more particularly to one kind coil type of exempting to go into the well is big
Caliber plugging device.
Background technique
With the continuous promotion of the level of urbanization, municipal pipeline is played the part of as an infrastructure construction of urban development
Role is also more and more important.Draining underground piping facility is widely clouded in the limited underground space of modern city, and ground divides into
Apply profession it is numerous, function is extensive and huge, be many basic functions such as entire city water, electricity, letter, vapour, heat mainly hold
Load person.Underground installation construction, maintenance, management difficulty are big, and artificially lower well operations risk is high, thus at present when 1000mm caliber and
The above drainage pipeline is taken because of pipeline breaking when speedily carrying out rescue work emergency repair measure, extremely difficult for the closure of pipeline, and conventional balloon
Equal closure mode has been not suitable for, and the artificial stifled operation of underground block is more difficult and dangerous, is operated there is an urgent need to inhuman lower inspection shaft
Large Diameter Pipeline plugging device.
Utility model content
The purpose of this utility model is that: overcome 1000mm in the prior art and the above caliber to deposit in first-aid repair construction operation
Above-mentioned deficiency, one kind is provided and exempts from coil type Large Diameter Pipeline plugging device of going into the well, with the reasonable in design, side of operating with
Just, maintenance cost is low, automation and intelligentification degree is high, can effectively solve the problem that think that lower well operations risk is difficult to ensure etc. excellent
Point.
In order to achieve the above object, the utility model adopts the following technical solution realizes:
One kind exempts from coil type Large Diameter Pipeline plugging device of going into the well, the device include carrier vehicle and the diesel engine being set in carrier vehicle,
Hydraulic power station, rubber winding component；Wherein, use for diesel engine is in hydraulic power station offer power；The hydraulic power station with
Hydraulic motor is connected with Driven by Hydraulic Cylinder；It is solid that the hydraulic motor is set to the lower part at pipeline bottom upstream and downstream nozzle to be repaired
Determine in support plate；One end of the hydraulic motor and rubber winding component is drivingly connected, and is rotated by hydraulic motor and is driven rubber
One end of winding rotates to form cylindrical tube shape, and is placed on the fixed support plate of lower part；Above and below described and pipeline bottom to be repaired
Top at play pipe mouth is additionally provided with top fixed support plate, and one end of the hydraulic cylinder is connected with top fixed support plate,
The other end is connect for by cylindrical tube shape rubber with the cylindrical tube shape rubber winding Component driver on the lower part fixed support plate
Winding component carries out closure upstream line to the upstream and downstream nozzle of pipeline to be repaired.
As advanced optimizing for above scheme, the hydraulic power station passes through hydraulic oil pipe and hydraulic motor and hydraulic cylinder
It is connected；Hydraulic control valve is additionally provided on the hydraulic oil pipe；Support frame is additionally provided on the lower part fixed support plate；Institute
The outer diameter for stating cylindrical tube shape rubber winding component is slightly larger than the upstream and downstream spout diameter of pipeline to be repaired.
As advanced optimizing for above scheme, which further includes automatic control unit, the automatic control unit packet
The velocity control assemblies for including programmable controller, being installed on carrier vehicle rubber winding component, the velocity control assemblies include peace
Loaded at rubber winding component axle center the first runner, be laid on the first runner First Speed sensor, with first
Motor, reducer assemblies and the speed regulator that runner is drivingly connected；The motor is connected with reducer assemblies, the deceleration
The output shaft of device and the first runner are drivingly connected；The First Speed sensor is used to detect the real-time revolving speed letter on the first runner
Number, and real-time revolving speed tach signal is sent to programmable controller；The real-time revolving speed that the programmable controller will receive
Signal is converted to the real-time tachometer value of the first runner after data conversion；The automatic control unit further includes being set to hydraulic horse
Up to upper second speed sensor, rubber of the second speed sensor for real-time detection and hydraulic motor to rotate together with is rolled up
Real time rotation speed signal with one end, and real time rotation speed signal is sent to programmable controller, programmable controller
The real time rotation speed signal received is converted to the real time rotation speed of rubber winding one end after data conversion；It is described
The real-time tachometer value of first runner is compared by programmable controller with the real time rotation speed of rubber winding one end, according to comparing
Result control speed regulator adjust the first runner revolving speed；When the real-time tachometer value of the first runner is higher than in rubber winding one end
Real time rotation speed when, programmable controller control speed regulator reduce the first runner revolving speed；Conversely, then increasing by first
The revolving speed of runner.
As advanced optimizing for above scheme, which further includes the figure being set at the upstream and downstream nozzle of pipeline to be repaired
As acquisition component；Described image acquisition component includes blocking the upper and lower of pipeline to be repaired for acquiring cylindrical tube shape rubber winding component
The high-definition camera and light supply element of play pipe mouth situation；The high-definition camera passes through the real-time closure situation image of shooting
It crosses network communication components and is sent to programmable controller, the implementation received closure situation image is carried out figure by programmable controller
As handling, and the image between enlarged cylindrical tubular rubber winding component outer ring and upstream and downstream internal wall of pipe orifice, while will be after amplification
Image be stored in the memory being connected with programmable controller.
As advanced optimizing for above scheme, the automatic control unit further includes telecommunication components, described long-range
Communication component includes the wireless transceiver connecting with memory data, and the wireless transceiver will be in memory by wireless network
Amplification after image be sent to remote monitoring center or intelligent mobile terminal.
As advanced optimizing for above scheme, the automatic control unit is connected with power supply module；The power supply group
Part includes the accumulator cell assembly of carrier vehicle and the solar cell panel assembly for being set to carrier vehicle roof；The solar cell panel assembly
Including solar receiver, solar converter, solar storage battery；The solar receiver is connected with solar converter
It connects, the solar converter is connected with solar storage battery.
As advanced optimizing for above scheme, it is additionally provided on first runner for stretching rubber winding component
Motor rotates forward control switch and the motor reversal control switch for recycling rubber winding component.
As advanced optimizing for above scheme, carrier vehicle computer is additionally provided in the carrier vehicle；The carrier vehicle computer with can
Programmable controller is connected by wireless communication；The carrier vehicle computer includes display screen, and the display screen is liquid crystal display,
And the rubber winding that can show that the implementation Rotating speed measring value of the first runner, second speed sensor detect on display screen is revolved in real time
Image after amplification in rotary speed detected value, memory.
As advanced optimizing for above scheme, it is additionally provided on the hydraulic cylinder for limiting cylindrical tube shape rubber winding
The lead limit switch of component movement stroke.
Had using exempt to go into the well the coil type Large Diameter Pipeline plugging device and its application method of the utility model following beneficial to effect
Fruit:
(1) structure design is more reasonable, by equipment such as carrier vehicle transportation diesel fuel machine, hydraulic power station, rubber winding components,
And the components such as on-site hoisting hydraulic motor, hydraulic cylinder, entire transport and installation process substantially increase operating efficiency, reduce
The labor intensity of worker.
(2) one end synchronous rotary of carrier vehicle rubber winding component is driven using the rotation of hydraulic motor, and then forms circle
The rubber winding component of tubular realizes that cylindric rubber winding component can effectively block upstream line using the driving of hydraulic cylinder
Critical point, entire closure process does not need artificial underground work, thus safety is higher.
(3) detection means of sensor, the image monitoring means of Image Acquisition, the means of wireless communication etc. are utilized
The mode of automation control substantially increases the degree of automation of single unit system, meets the demand in current internet epoch, moreover it is possible to
Effectively understand the closure situation of pipeline upstream and downstream nozzle to be repaired, efficiency greatly promotes.
(4) it can be effectively reduced energy consumption using solar cell for supplying power, improve energy utilization rate.
(5) use of rubber winding component can be effectively controlled using positive and negative rotation control switch and lead limit switch, and
The control of length is blocked, precision greatly improves.
Detailed description of the invention
Attached drawing 1 is that the utility model exempts from coil type Large Diameter Pipeline plugging device structural schematic diagram of going into the well.
Attached drawing 2 is that the utility model exempts from coil type Large Diameter Pipeline plugging device Section A-A schematic diagram shown in fig. 1 of going into the well.
Attached drawing 3 is that the utility model exempts from coil type Large Diameter Pipeline plugging device section B-B schematic diagram shown in fig. 1 of going into the well.
Specific embodiment
1-3 is described in detail the utility model coil type Large Diameter Pipeline plugging device of exempting to go into the well with reference to the accompanying drawing.
One kind exempts from coil type Large Diameter Pipeline plugging device of going into the well, which includes carrier vehicle 1 and the diesel engine that is set in carrier vehicle
2, hydraulic power station 3, rubber winding component 4；Wherein, use for diesel engine is in hydraulic power station offer power；The hydraulic power
It stands and is drivingly connected with hydraulic motor 5 and hydraulic cylinder 6；The hydraulic motor is set to pipeline bottom upstream and downstream nozzle 7,8 to be repaired
9 on the lower part fixed support plate at place；One end of the hydraulic motor and rubber winding component is drivingly connected, and is turned by hydraulic motor
Dynamic one end for driving rubber winding rotates to form cylindrical tube shape, and is placed on the fixed support plate of lower part；Described and pipeline to be repaired
Top fixed support plate 10, the fixed branch in one end and top of the hydraulic cylinder are additionally provided with above at bottom upstream and downstream nozzle
Fagging is connected, and the other end is connect for that will justify with the cylindrical tube shape rubber winding Component driver on the lower part fixed support plate
Cylindrical rubber winding component 11 carries out the upstream and downstream nozzle of pipeline to be repaired to block upstream line 7.
The hydraulic power station is connected by hydraulic oil pipe 12 with hydraulic motor and hydraulic cylinder；On the hydraulic oil pipe also
It is provided with hydraulic control valve 13；Support frame 14 is additionally provided on the lower part fixed support plate；The cylindrical tube shape rubber winding
The outer diameter of component is slightly larger than the upstream and downstream spout diameter of pipeline to be repaired.
The device further includes automatic control unit, and the automatic control unit includes programmable controller, is installed on carrier vehicle
Velocity control assemblies on rubber winding component, the velocity control assemblies include being installed at rubber winding component axle center
The first runner, be laid on the first runner First Speed sensor, with the first runner be drivingly connected motor, retarder group
Part 15 and speed regulator 16；The motor is connected with reducer assemblies, and the output shaft of the retarder and the first runner drive
Dynamic connection；The First Speed sensor is used to detect the real-time tach signal on the first runner, and real-time revolving speed revolving speed is believed
Number it is sent to programmable controller；The programmable controller converts the real-time tach signal received after data conversion
For the real-time tachometer value of the first runner；The automatic control unit further includes the second speed sensor being set on hydraulic motor,
The real time rotation speed of rubber winding one end that the second speed sensor is rotated together with for real-time detection and hydraulic motor
Signal, and real time rotation speed signal is sent to programmable controller, programmable controller is fast by the real time rotation received
Degree signal is converted to the real time rotation speed of rubber winding one end after data conversion；The programmable controller is by first turn
It takes turns real-time tachometer value to be compared with the real time rotation speed of rubber winding one end, controls speed regulator according to the result of the comparison
Adjust the revolving speed of the first runner；When the real-time tachometer value of the first runner be higher than when the real time rotation speed of rubber winding one end, can
Programmable controller, which controls speed regulator, reduces the revolving speed of the first runner；Conversely, then increasing the revolving speed of the first runner.
The device further includes the image collection assembly being set at the upstream and downstream nozzle of pipeline to be repaired；Described image acquisition group
Part include for acquire cylindrical tube shape rubber winding component block pipeline to be repaired upstream and downstream nozzle situation high-definition camera and
Light supply element；The real-time closure situation image of shooting is sent to and can be compiled by network communication components by the high-definition camera
The implementation received is blocked situation image and carries out image procossing, and enlarged cylindrical tubular rubber by range controller, programmable controller
Film is stored in and PLC technology with the image between component outer ring and upstream and downstream internal wall of pipe orifice, while by amplified image
In the memory that device is connected.
The automatic control unit further includes telecommunication components, and the telecommunication components include connecting with memory data
Image after amplification in memory is sent to long-range monitoring by wireless network by the wireless transceiver connect, the wireless transceiver
Center or intelligent mobile terminal.
The automatic control unit is connected with power supply module；The power supply module includes the accumulator cell assembly of carrier vehicle and sets
It is placed in the solar cell panel assembly of carrier vehicle roof；The solar cell panel assembly includes solar receiver, solar energy turn
Parallel operation, solar storage battery；The solar receiver is connected with solar converter, the solar converter and the sun
Energy storage device is connected.
The motor for stretching rubber winding component is additionally provided on first runner to rotate forward control switch and be used for back
Receive the motor reversal control switch of rubber winding component.
Carrier vehicle computer is additionally provided in the carrier vehicle；The carrier vehicle computer and programmable controller pass through wireless communication
Connection；The carrier vehicle computer includes display screen, and the display screen is liquid crystal display, and the first runner can be shown on display screen
Implementation Rotating speed measring value, the rubber winding real time rotation speed detection value of second speed sensor detection, putting in memory
Image after big.
The stroke limit for limiting cylindrical tube shape rubber winding component movement stroke is additionally provided on the hydraulic cylinder to open
It closes.
The utility model is above-mentioned, and exempt from the to go into the well application method of coil type Large Diameter Pipeline plugging device includes the following steps:
1) carrier vehicle is rested at pipeline well head neighbouring position to be repaired；With lifting appliance by hydraulic motor, hydraulic cylinder, top
Fixed support plate, lower part fixed support plate are hung at pipeline upstream and downstream nozzle to be repaired, and install hydraulic motor, hydraulic cylinder；
2) one end of the rubber winding component in carrier vehicle is connected with hydraulic motor；Starting the diesel engine in carrier vehicle is liquid
Pressure power station provides power；Hydraulic power station provides power for hydraulic cylinder and hydraulic motor；
3) rotation of hydraulic motor drives rubber winding component one end connected to it to rotate together with, and forms cylindrical tube shape
Rubber winding component, and the cylindrical tube shape rubber winding component of formation is placed on the fixed support plate of lower part；Work as cylindrical tube shape
When the outer diameter of rubber winding component is slightly larger than pipeline upstream and downstream spout diameter to be repaired, hydraulic cylinder is by cylindrical tube shape rubber winding component
Closure upstream line is carried out to the upstream and downstream nozzle of pipeline to be repaired；
4) it when being met the requirements wait block, controls the rubber winding component in carrier vehicle and reversely rotates rubber winding component time
It receives.
This reality can be understood and applied the above description of the embodiments is intended to facilitate those skilled in the art
With novel.Person skilled in the art obviously easily can make various modifications to these embodiments, and saying herein
Bright General Principle is applied in other embodiments without having to go through creative labor.Therefore, the utility model is not limited to this
In embodiment, those skilled in the art's announcement according to the present utility model, do not depart from that the utility model scope made changes
Into and modification should all be within the protection scope of the utility model.
Claims (9)
1. one kind exempts from coil type Large Diameter Pipeline plugging device of going into the well, it is characterised in that: the device includes carrier vehicle and is set in carrier vehicle
Diesel engine, hydraulic power station, rubber winding component；Wherein, use for diesel engine is in hydraulic power station offer power；It is described hydraulic
Power station is connect with hydraulic motor and Driven by Hydraulic Cylinder；The hydraulic motor is set at pipeline bottom upstream and downstream nozzle to be repaired
Lower part fixed support plate on；One end of the hydraulic motor and rubber winding component is drivingly connected, and is rotated by hydraulic motor
It drives one end of rubber winding to rotate to form cylindrical tube shape, and is placed on the fixed support plate of lower part；Described and piping shaft to be repaired
Top fixed support plate, one end of the hydraulic cylinder and top fixed support plate are additionally provided with above at the upstream and downstream nozzle of bottom
It is connected, the other end is connect for by cylindrical drum with the cylindrical tube shape rubber winding Component driver on the lower part fixed support plate
Shape rubber winding component carries out closure upstream line to the upstream and downstream nozzle of pipeline to be repaired.
2. according to claim 1 exempt from coil type Large Diameter Pipeline plugging device of going into the well, it is characterised in that: the hydraulic power station
It is connected by hydraulic oil pipe with hydraulic motor and hydraulic cylinder；Hydraulic control valve is additionally provided on the hydraulic oil pipe；Under described
Support frame is additionally provided on portion's fixed support plate；The outer diameter of the cylindrical tube shape rubber winding component is upper slightly larger than pipeline to be repaired
Downstream spout diameter.
3. according to claim 2 exempt from coil type Large Diameter Pipeline plugging device of going into the well, it is characterised in that: the device further includes certainly
Dynamic control assembly, the automatic control unit includes programmable controller, the speed control that is installed on carrier vehicle rubber winding component
Component processed, the velocity control assemblies include be installed at rubber winding component axle center the first runner, be laid in first
First Speed sensor on runner, motor, reducer assemblies and speed regulator with the first runner drive connection；The electricity
Machine is connected with reducer assemblies, and the output shaft of the retarder and the first runner are drivingly connected；The First Speed sensor
Programmable controller is sent to for detecting the real-time tach signal on the first runner, and by real-time revolving speed tach signal；It is described
The real-time tach signal received is converted to the real-time tachometer value of the first runner by programmable controller after data conversion；It is described
Automatic control unit further includes the second speed sensor being set on hydraulic motor, and the second speed sensor is for real-time
The real time rotation speed signal of rubber winding one end that detection is rotated together with hydraulic motor, and real time rotation speed signal is sent out
It send to programmable controller, the real time rotation speed signal received is converted to rubber by programmable controller after data conversion
Real time rotation speed of the film with one end；The programmable controller is by the real-time tachometer value of the first runner and rubber winding one end
Real time rotation speed is compared, and controls the revolving speed that speed regulator adjusts the first runner according to the result of the comparison；When first turn
It takes turns real-time tachometer value to be higher than when the real time rotation speed of rubber winding one end, programmable controller controls speed regulator and reduces
The revolving speed of first runner；Conversely, then increasing the revolving speed of the first runner.
4. according to claim 3 exempt from coil type Large Diameter Pipeline plugging device of going into the well, it is characterised in that: the device further includes setting
The image collection assembly being placed at the upstream and downstream nozzle of pipeline to be repaired；Described image acquisition component includes for acquiring cylindrical tube shape
Rubber winding component blocks the high-definition camera and light supply element of the upstream and downstream nozzle situation of pipeline to be repaired；The high definition is taken the photograph
It is sent to programmable controller as the real-time closure situation image of shooting is passed through network communication components by head, programmable controller will
The implementation received blocks situation image and carries out image procossing, and enlarged cylindrical tubular rubber winding component outer ring and upper and lower play pipe
Image between mouth inner wall, while amplified image being stored in the memory being connected with programmable controller.
5. according to claim 4 exempt from coil type Large Diameter Pipeline plugging device of going into the well, it is characterised in that: the automatic control group
Part further includes telecommunication components, and the telecommunication components include the wireless transceiver connecting with memory data, the nothing
Image after amplification in memory is sent to remote monitoring center or intelligent mobile terminal by wireless network by line transceiver.
6. according to claim 5 exempt from coil type Large Diameter Pipeline plugging device of going into the well, it is characterised in that: the automatic control group
Part is connected with power supply module；The power supply module includes the accumulator cell assembly of carrier vehicle and the solar-electricity for being set to carrier vehicle roof
Pond board group part；The solar cell panel assembly includes solar receiver, solar converter, solar storage battery；It is described
Solar receiver is connected with solar converter, and the solar converter is connected with solar storage battery.
7. according to claim 3 exempt from coil type Large Diameter Pipeline plugging device of going into the well, it is characterised in that: on first runner
It is additionally provided with the motor rotating forward control switch for stretching rubber winding component and the motor for recycling rubber winding component is anti-
Turn control switch.
8. exempting from coil type Large Diameter Pipeline plugging device of going into the well according to claim 4 or 6, it is characterised in that: in the carrier vehicle
It is additionally provided with carrier vehicle computer；The carrier vehicle computer is connect with programmable controller by wireless communication；The carrier vehicle computer
Including display screen, the display screen be liquid crystal display, and can be shown on display screen the first runner implementation Rotating speed measring value,
Image after the rubber winding real time rotation speed detection value of second speed sensor detection, the amplification in memory.
9. according to claim 1 exempt from coil type Large Diameter Pipeline plugging device of going into the well, it is characterised in that: on the hydraulic cylinder also
It is provided with the lead limit switch for limiting cylindrical tube shape rubber winding component movement stroke.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820808591.9U CN208235703U (en) | 2018-05-28 | 2018-05-28 | One kind exempting from coil type Large Diameter Pipeline plugging device of going into the well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820808591.9U CN208235703U (en) | 2018-05-28 | 2018-05-28 | One kind exempting from coil type Large Diameter Pipeline plugging device of going into the well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208235703U true CN208235703U (en) | 2018-12-14 |
Family
ID=64575145
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820808591.9U Active CN208235703U (en) | 2018-05-28 | 2018-05-28 | One kind exempting from coil type Large Diameter Pipeline plugging device of going into the well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208235703U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108396854A (en) * | 2018-05-28 | 2018-08-14 | 北京城市排水集团有限责任公司 | One kind exempting from go into the well coil type Large Diameter Pipeline plugging device and its application method |
| CN110258766A (en) * | 2019-05-13 | 2019-09-20 | 广东水利电力职业技术学院（广东省水利电力技工学校） | A kind of safe plugging structure and its installation and method for dismounting |
-
2018
- 2018-05-28 CN CN201820808591.9U patent/CN208235703U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108396854A (en) * | 2018-05-28 | 2018-08-14 | 北京城市排水集团有限责任公司 | One kind exempting from go into the well coil type Large Diameter Pipeline plugging device and its application method |
| CN108396854B (en) * | 2018-05-28 | 2023-09-12 | 北京城市排水集团有限责任公司 | Winding-type large-pipe-diameter plugging device free of well descending and application method thereof |
| CN110258766A (en) * | 2019-05-13 | 2019-09-20 | 广东水利电力职业技术学院（广东省水利电力技工学校） | A kind of safe plugging structure and its installation and method for dismounting |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208235703U (en) | One kind exempting from coil type Large Diameter Pipeline plugging device of going into the well | |
| CN205228880U (en) | Automatic sampling device of water quality monitoring | |
| CN201173843Y (en) | Automatic control multifunctional pressure test station | |
| CN206208596U (en) | A kind of deep-water sample acquisition vessel | |
| CN102251546B (en) | Control method for reducing oil consumption of excavator engine | |
| CN209314507U (en) | A kind of blower combination air energy storage implementation irrigation system | |
| CN108396854A (en) | One kind exempting from go into the well coil type Large Diameter Pipeline plugging device and its application method | |
| CN206609869U (en) | A kind of movable water quality monitoring supervising device | |
| CN105162408A (en) | Solar photovoltaic device applied to underground garage illumination system | |
| CN112284830B (en) | Water sample collection system for environmental science research | |
| CN206268044U (en) | A kind of new photovoltaic control system for automatically adjusting of realizing supplying water by frequency converter | |
| CN202290675U (en) | Ball pitching/collecting operation auxiliary device for long distance pipeline | |
| CN202548017U (en) | Full-automatic equipment for detecting compressive strength of gasholders | |
| CN206844787U (en) | A kind of emergency electric power communication information tower | |
| CN205017263U (en) | Be applied to underground garage lighting system's solar photovoltaic device | |
| CN209836015U (en) | Concrete intelligence curing means that waters | |
| CN209417038U (en) | A kind of immersion water monitoring device | |
| CN208486628U (en) | A kind of electric charging formula parking systems curtain room | |
| CN209682660U (en) | It is a kind of for repairing the device of precast concrete round tube | |
| CN207093298U (en) | A kind of mining energy-saving emulsion power pack | |
| CN205243808U (en) | Controlling means is changeed in air defense of solar photovoltaic water pump | |
| CN210419305U (en) | Ammonium phosphate crystal vacuum pump wastewater recovery control system | |
| CN215631809U (en) | Automatic temperature control device of bulky concrete dual cycle | |
| CN210597007U (en) | Bridge pipeline anti-blocking device | |
| CN204511394U (en) | A kind of oil pumper auxiliary balance block real-time regulating apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |