CN215493539U - Water environment monitoring device capable of adjusting water sampling depth - Google Patents

Water environment monitoring device capable of adjusting water sampling depth Download PDF

Info

Publication number
CN215493539U
CN215493539U CN202121114324.XU CN202121114324U CN215493539U CN 215493539 U CN215493539 U CN 215493539U CN 202121114324 U CN202121114324 U CN 202121114324U CN 215493539 U CN215493539 U CN 215493539U
Authority
CN
China
Prior art keywords
fixedly connected
environment monitoring
supporting bench
bearing
connecting block
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
Application number
CN202121114324.XU
Other languages
Chinese (zh)
Inventor
赵江
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanxi Huayi Testing Technology Co ltd
Original Assignee
Shanxi Huayi Testing Technology Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shanxi Huayi Testing Technology Co ltd filed Critical Shanxi Huayi Testing Technology Co ltd
Priority to CN202121114324.XU priority Critical patent/CN215493539U/en
Application granted granted Critical
Publication of CN215493539U publication Critical patent/CN215493539U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Abstract

The utility model belongs to the technical field of water environment detection devices, and relates to a water environment monitoring device with adjustable water sampling depth. The water environment monitoring device with the adjustable water sampling depth has the advantages that by the arrangement of the first electric push rod and the movable plate, when an operator needs to adjust the transverse position of the water quality sensor assembly, the operator only needs to control the first electric push rod to operate through the control switch so as to drive the movable plate to move, and after the water quality sensor assembly moves to a specified position, the operator only needs to control the first electric push rod to stop operating through the control switch.

Description

Water environment monitoring device capable of adjusting water sampling depth
Technical Field
The utility model belongs to the technical field of water environment detection devices, and particularly relates to a water environment monitoring device with adjustable water sampling depth.
Background
The water quality monitoring is a process for monitoring and determining the types of pollutants in a water body, the concentrations and the change trends of various pollutants and evaluating the water quality condition, for a long time, the river water environment monitoring in China mainly takes ground fixed point sampling monitoring as a main part, and because of the characteristics of long flowing stem of a river in a drainage basin, wide pollution source area, large quantity, fast water quality change and the like, the water quality monitoring method adopting the traditional manual fixed point and timing sampling determination is adopted to monitor the water quality in the river channel, the monitoring range is limited, the macroscopic property and the timeliness are poor, the monitoring cost is relatively high, the requirements of drainage basin water quality early warning and dynamic management cannot be completely met, meanwhile, the existing device is inconvenient to adjust, and the following devices are provided for solving the problems.
Disclosure of Invention
To solve the problems set forth in the background art described above. The utility model provides a water environment monitoring device with adjustable water sampling depth, which solves the technical problem that the conventional device is inconvenient in the adjusting process.
In order to achieve the purpose, the utility model provides the following technical scheme: a water environment monitoring device with adjustable water sampling depth comprises a supporting table, a first bearing, a first rotating shaft and a movable table, wherein the first bearing is fixedly connected to the upper surface of the supporting table, the first rotating shaft penetrates through the first bearing, the movable table is fixedly connected to the upper end of the first rotating shaft, a fixed rod is fixedly connected to the upper surface of the movable table, a winding assembly is fixedly connected to the upper surface of the movable table, a pull rope is fixedly connected to the surface of the winding assembly, a first pulley is fixedly connected to the side surface of the fixed rod, the pull rope is lapped on the surface of the first pulley, a supporting arm is fixedly connected to the side surface of the fixed rod, a containing bin is arranged inside the supporting arm, a movable plate is arranged inside the containing bin, a sliding block is fixedly connected to the side surface of the movable plate, a sliding groove is formed in the inner wall of the containing bin, and the sliding block is slidably connected in the sliding groove, the sliding blocks and the sliding grooves are respectively provided with two groups and are symmetrically arranged on two sides of the movable plate;
the improved water quality sensor is characterized in that a second pulley is fixedly connected to the upper surface of the movable plate, the pull rope is connected to the surface of the second pulley in a lap joint mode, a fixing ring is fixedly connected to the other end of the pull rope, a water quality sensor assembly is fixedly connected to the lower surface of the fixing ring, a bearing block is fixedly connected to the side surface of the fixing ring, a first connecting block is fixedly connected to the side surface of the fixing ring, a first electric push rod is arranged on the side surface of the first connecting block, a pin shaft is arranged on the surface of the first connecting block in a penetrating mode, the first connecting block is movably connected with the first electric push rod through a pin shaft, a second connecting block is fixedly connected to the lower surface of the movable plate, a movable groove is formed in the surface of the containing bin, a pin shaft is arranged on the surface of the second connecting block in a penetrating mode, and the second connecting block is movably connected with the first electric push rod through a pin shaft.
As a further scheme of the utility model: the winding assembly comprises a first fixing table, the first fixing table is fixedly connected to the upper surface of the movable table, the first fixing table is fixedly connected to the side of the side face of the first fixing table and used for placing the table, the upper surface of the table is fixedly connected with a motor, a second bearing is arranged on the surface of the first fixing table in a penetrating mode, the other end of the motor output shaft is fixedly connected with a second rotating shaft, the second rotating shaft is arranged in the second bearing in a penetrating mode, the upper surface of the movable table is fixedly connected with a second fixing table, a third bearing is fixedly connected to the side face of the second fixing table, the other end of the second rotating shaft is arranged in the third bearing in a penetrating mode, and the lower end of the pull rope is fixedly connected to the surface of the second rotating shaft.
As a further scheme of the utility model: the upper surface of the support table is provided with two groups of slide rails, the other group of slide rails is arranged on the lower surface of the movable table, and the slide rails are internally provided with a plurality of balls which are arranged inside the slide rails.
As a further scheme of the utility model: the utility model discloses a spacing structure, including a supporting bench, activity platform side fixedly connected with spacing ring, the gag lever post is worn to be equipped with inside the gag lever post, the constant head tank has been seted up to the supporting bench upper surface, the lower extreme joint of gag lever post is in the constant head tank, the constant head tank is total a plurality ofly to be the annular and arrange at the supporting bench upper surface.
As a further scheme of the utility model: the utility model discloses a supporting bench, including a supporting bench, a supporting bench lower surface, flexible groove has been seted up to the supporting bench lower surface, fixedly connected with second electric putter in the flexible groove, second electric putter lower extreme fixedly connected with wheel group, wheel group is total four to be the rectangle and arrange at the supporting bench lower extreme, supporting bench lower surface fixedly connected with base, the base is total four to be the rectangle and arrange at the supporting bench lower surface.
As a further scheme of the utility model: an energy storage bin is arranged inside the supporting table, a storage battery is fixedly connected inside the energy storage bin, a control switch is fixedly connected to the front side of the supporting table, and a microprocessor is arranged inside the control switch.
Compared with the prior art, the utility model has the beneficial effects that:
1. this water environment monitoring devices of adjustable water sampling degree of depth, through setting up first electric putter and fly leaf, when operating personnel need adjust the lateral position of water quality sensor subassembly, operating personnel only need move through the first electric putter of control switch control to drive the fly leaf and remove, after water quality sensor subassembly removes to the assigned position, operating personnel only need through control switch control first electric putter stop function can, made things convenient for operating personnel to adjust the position of water quality sensor subassembly.
2. This water environment monitoring device of adjustable water sampling degree of depth, through setting up the winding subassembly, when operating personnel need highly adjust water quality sensor subassembly, operating personnel only need control the motor function through the control switch, thereby it rotates to drive the second pivot, under the cooperation of second pivot and stay cord, made things convenient for operating personnel to highly adjust water quality sensor subassembly, made things convenient for operating personnel to detect the quality of water of the different degree of depth, thereby reach the purpose that detects the quality of water of the different degree of depth in same waters, the practicality of the device has been improved.
3. This water environment monitoring devices of adjustable water depth of adopting, through setting up the spacing ring, gag lever post and constant head tank, when operating personnel need adjust the device's angle, operating personnel only need stimulate the gag lever post for the gag lever post breaks away from with the constant head tank mutually, then can adjust the device's angle through rotating the movable table, after the device's angle modulation is accomplished, operating personnel only need loosen the gag lever post, make gag lever post and constant head tank joint again can.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:
FIG. 1 is a front cross-sectional structural schematic view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a schematic structural view of a winding assembly of the present invention;
in the figure: 1. a support table; 2. a first bearing; 3. a first rotating shaft; 4. a movable table; 5. fixing the rod; 6. a winding assembly; 601. a first fixed table; 602. a placing table; 603. a motor; 604. a second bearing; 605. a second rotating shaft; 606. a second stationary stage; 607. a third bearing; 7. pulling a rope; 8. a first pulley; 9. a support arm; 10. a storage bin; 11. a movable plate; 12. a slider; 13. a chute; 14. a second pulley; 15. a fixing ring; 16. a water quality sensor assembly; 17. a bearing block; 18. a first connection block; 19. a first electric push rod; 20. a second connecting block; 21. a movable groove; 22. a limiting ring; 23. a limiting rod; 24. positioning a groove; 25. a slide rail; 26. a ball bearing; 27. a telescopic groove; 28. a second electric push rod; 29. a wheel set; 30. a base; 31. an energy storage bin; 32. a storage battery; 33. and controlling the switch.
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.
Examples
Referring to fig. 1-3, the present invention provides the following technical solutions: a water environment monitoring device with adjustable water sampling depth comprises a supporting table 1, a first bearing 2, a first rotating shaft 3 and a movable table 4, wherein the first bearing 2 is fixedly connected to the upper surface of the supporting table 1, the first rotating shaft 3 penetrates through the first bearing 2, the movable table 4 is fixedly connected to the upper end of the first rotating shaft 3, the upper surface of the movable table 4 is fixedly connected with a fixed rod 5, the upper surface of the movable table 4 is fixedly connected with a winding assembly 6, the surface of the winding assembly 6 is fixedly connected with a pull rope 7, the side surface of the fixed rod 5 is fixedly connected with a first pulley 8, the pull rope 7 is lapped on the surface of the first pulley 8, the side surface of the fixed rod 5 is fixedly connected with a supporting arm 9, a containing bin 10 is arranged inside the supporting arm 9, a movable plate 11 is arranged inside the containing bin 10, the side surface of the movable plate 11 is fixedly connected with a sliding block 12, a sliding chute 13 is arranged on the inner wall of the containing bin 10, and the sliding block 12 is slidably connected in the sliding chute 13, two groups of sliding blocks 12 and sliding grooves 13 are respectively arranged at two sides of the movable plate 11 symmetrically;
the upper surface of a movable plate 11 is fixedly connected with a second pulley 14, a pull rope 7 is lapped on the surface of the second pulley 14, the other end of the pull rope 7 is fixedly connected with a fixing ring 15, the lower surface of the fixing ring 15 is fixedly connected with a water quality sensor assembly 16, the lower surface of the water quality sensor assembly 16 is fixedly connected with a bearing block 17, the side surface of a fixing rod 5 is fixedly connected with a first connecting block 18, the side surface of the first connecting block 18 is provided with a first electric push rod 19, the surface of the first connecting block 18 is provided with a pin shaft in a penetrating way, the first connecting block 18 is movably connected with the first electric push rod 19 through the pin shaft, the lower surface of the movable plate 11 is fixedly connected with a second connecting block 20, the surface of a containing bin 10 is provided with a movable groove 21, the second connecting block 20 is arranged in the movable groove 21 in a penetrating way, the surface of the second connecting block 20 is provided with the pin shaft in a penetrating way, the second connecting block 20 is movably connected with the first electric push rod 19 through the pin shaft, and the water environment monitoring device capable of adjusting water sampling depth, through setting up first electric putter 19 and fly leaf 11, when operating personnel need adjust the lateral position of water quality sensor subassembly 16, operating personnel only need control the operation of first electric putter 19 through control switch 33 to drive fly leaf 11 and remove, after water quality sensor subassembly 16 removed to appointed position, operating personnel only need through control switch 33 control first electric putter 19 stop the operation can, made things convenient for operating personnel to adjust the position of water quality sensor subassembly 16.
Specifically, the winding assembly 6 includes a first fixing station 601, the first fixing station 601 is fixedly connected to the upper surface of the movable table 4, a placing station 602 is fixedly connected to the side surface of the first fixing station 601, a motor 603 is fixedly connected to the upper surface of the placing station 602, a second bearing 604 is arranged on the surface of the first fixing station 601 in a penetrating manner, the other end of the output shaft of the motor 603 is fixedly connected to a second rotating shaft 605, the second rotating shaft 605 is arranged in the second bearing 604 in a penetrating manner, a second fixing station 606 is fixedly connected to the upper surface of the movable table 4, a third bearing 607 is fixedly connected to the side surface of the second fixing station 606, the other end of the second rotating shaft 605 is arranged in the penetrating manner, the lower end of the pulling rope 7 is fixedly connected to the surface of the second rotating shaft 605, by arranging the winding assembly 6, when an operator needs to adjust the height of the water quality sensor assembly 16, the operator only needs to control the motor 603 through the control switch 33, thereby drive second pivot 605 and rotate, under the cooperation of second pivot 605 and stay cord 7, made things convenient for operating personnel to adjust the height of quality of water sensor subassembly 16, made things convenient for operating personnel to detect the quality of water of the different degree of depth to reach the purpose that detects the quality of water of the different degree of depth in same waters, improved the device's practicality.
Specifically, the upper surface of the support table 1 is provided with two sets of slide rails 25, the other set of slide rails 25 is provided on the lower surface of the movable table 4, the slide rails 25 are provided with a plurality of balls 26, and the balls 26 are arranged inside the slide rails 25.
Concretely, 4 side fixedly connected with spacing rings 22 of mobile station, spacing ring 22 is inside wears to be equipped with gag lever post 23, constant head tank 24 has been seted up to supporting bench 1 upper surface, the lower extreme joint of gag lever post 23 is in constant head tank 24, constant head tank 24 is total a plurality of, and be the ring arrangement at supporting bench 1 upper surface, this water environment monitoring devices of adjustable water sampling degree of depth, through setting up gag lever post 22, gag lever post 23 and constant head tank 24, when operating personnel need adjust the device's angle, operating personnel only need stimulate gag lever post 23, make gag lever post 23 break away from with constant head tank 24 mutually, then can adjust the device's angle through rotating mobile station 4, after the device's angle modulation is accomplished, operating personnel only need loosen gag lever post 23, make gag lever post 23 and constant head tank 24 joint again can.
Specifically, a telescopic groove 27 is formed in the lower surface of the support table 1, a second electric push rod 28 is fixedly connected to the telescopic groove 27, a wheel group 29 is fixedly connected to the lower end of the second electric push rod 28, the number of the wheel groups 29 is four, the wheel groups are arranged at the lower end of the support table 1 in a rectangular manner, a base 30 is fixedly connected to the lower surface of the support table 1, the number of the base 30 is four, and the wheel groups are arranged at the lower surface of the support table 1 in a rectangular manner.
Specifically, supporting bench 1 is inside to be seted up energy storage storehouse 31, the inside fixedly connected with battery 32 in energy storage storehouse 31, supporting bench 1 openly fixedly connected with control switch 33, the inside microprocessor that is provided with of control switch 33.
The working principle of the utility model is as follows:
s1, when the device is used, an operator needs to move the device to a specified position under hand, then controls the second electric push rod 28 to operate through the control switch 33, so as to drive the wheel set 29 to move, when the wheel set 29 is separated from the ground and the base 30 is in contact with the ground, the operator only needs to control the second electric push rod 28 to stop operating through the control switch 33, so that the device is ensured to be kept in a stable working state in the normal operation process;
s2, when the operator needs to adjust the horizontal position of the water quality sensor assembly 16, the operator only needs to control the first electric push rod 19 to operate through the control switch 33, so as to drive the movable plate 11 to move, and after the water quality sensor assembly 16 moves to the designated position, the operator only needs to control the first electric push rod 19 to stop operating through the control switch 33, which is convenient for the operator to adjust the position of the water quality sensor assembly 16;
s3, when the operating personnel need to adjust the height of the water quality sensor assembly 16, the operating personnel only need to control the motor 603 to operate through the control switch 33, thereby driving the second rotating shaft 605 to rotate, under the cooperation of the second rotating shaft 605 and the pull rope 7, the operating personnel can adjust the height of the water quality sensor assembly 16 conveniently, the operating personnel can detect the water quality with different depths, the purpose of detecting the water quality with different depths in the same water area is achieved, and the practicability of the device is improved.
Although embodiments of the present invention have been shown and described above, it should be understood that the above embodiments are illustrative and not restrictive, and that those skilled in the art may make changes, modifications, substitutions and alterations to the above embodiments without departing from the scope of the present invention.

Claims (6)

1. The utility model provides an adjustable water environment monitoring devices who adopts the depth of water, includes brace table, first bearing and first pivot, its characterized in that: the movable table is fixedly connected to the upper surface of the supporting table, the first rotating shaft penetrates through the first bearing, the movable table is fixedly connected to the upper end of the first rotating shaft, a fixed rod is fixedly connected to the upper surface of the movable table, a winding assembly is fixedly connected to the upper surface of the movable table, a pull rope is fixedly connected to the surface of the winding assembly, a first pulley is fixedly connected to the side surface of the fixed rod, the pull rope is lapped on the surface of the first pulley, a supporting arm is fixedly connected to the side surface of the fixed rod, a containing bin is arranged inside the supporting arm, a movable plate is arranged inside the containing bin, a sliding block is fixedly connected to the side surface of the movable plate, sliding grooves are formed in the inner wall of the containing bin, the sliding blocks are connected to the sliding grooves in a sliding mode, two groups of sliding blocks and two groups of sliding grooves are arranged on two sides of the movable plate symmetrically;
the improved water quality sensor is characterized in that a second pulley is fixedly connected to the upper surface of the movable plate, the pull rope is connected to the surface of the second pulley in a lap joint mode, a fixing ring is fixedly connected to the other end of the pull rope, a water quality sensor assembly is fixedly connected to the lower surface of the fixing ring, a bearing block is fixedly connected to the side surface of the fixing ring, a first connecting block is fixedly connected to the side surface of the fixing ring, a first electric push rod is arranged on the side surface of the first connecting block, a pin shaft is arranged on the surface of the first connecting block in a penetrating mode, the first connecting block is movably connected with the first electric push rod through a pin shaft, a second connecting block is fixedly connected to the lower surface of the movable plate, a movable groove is formed in the surface of the containing bin, a pin shaft is arranged on the surface of the second connecting block in a penetrating mode, and the second connecting block is movably connected with the first electric push rod through a pin shaft.
2. The water environment monitoring device with the adjustable water collection depth as recited in claim 1, wherein: the winding assembly comprises a first fixing table, the first fixing table is fixedly connected to the upper surface of the movable table, the first fixing table is fixedly connected to the side of the side face of the first fixing table and used for placing the table, the upper surface of the table is fixedly connected with a motor, a second bearing is arranged on the surface of the first fixing table in a penetrating mode, the other end of the motor output shaft is fixedly connected with a second rotating shaft, the second rotating shaft is arranged in the second bearing in a penetrating mode, the upper surface of the movable table is fixedly connected with a second fixing table, a third bearing is fixedly connected to the side face of the second fixing table, the other end of the second rotating shaft is arranged in the third bearing in a penetrating mode, and the lower end of the pull rope is fixedly connected to the surface of the second rotating shaft.
3. The water environment monitoring device with the adjustable water collection depth as recited in claim 1, wherein: the upper surface of the support table is provided with two groups of slide rails, the other group of slide rails is arranged on the lower surface of the movable table, and the slide rails are internally provided with a plurality of balls which are arranged inside the slide rails.
4. The water environment monitoring device with the adjustable water collection depth as recited in claim 1, wherein: the utility model discloses a spacing structure, including a supporting bench, activity platform side fixedly connected with spacing ring, the gag lever post is worn to be equipped with inside the gag lever post, the constant head tank has been seted up to the supporting bench upper surface, the lower extreme joint of gag lever post is in the constant head tank, the constant head tank is total a plurality ofly to be the annular and arrange at the supporting bench upper surface.
5. The water environment monitoring device with the adjustable water collection depth as recited in claim 1, wherein: the utility model discloses a supporting bench, including a supporting bench, a supporting bench lower surface, flexible groove has been seted up to the supporting bench lower surface, fixedly connected with second electric putter in the flexible groove, second electric putter lower extreme fixedly connected with wheel group, wheel group is total four to be the rectangle and arrange at the supporting bench lower extreme, supporting bench lower surface fixedly connected with base, the base is total four to be the rectangle and arrange at the supporting bench lower surface.
6. The water environment monitoring device with the adjustable water collection depth as recited in claim 1, wherein: an energy storage bin is arranged inside the supporting table, a storage battery is fixedly connected inside the energy storage bin, a control switch is fixedly connected to the front side of the supporting table, and a microprocessor is arranged inside the control switch.
CN202121114324.XU 2021-05-24 2021-05-24 Water environment monitoring device capable of adjusting water sampling depth Active CN215493539U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121114324.XU CN215493539U (en) 2021-05-24 2021-05-24 Water environment monitoring device capable of adjusting water sampling depth

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121114324.XU CN215493539U (en) 2021-05-24 2021-05-24 Water environment monitoring device capable of adjusting water sampling depth

Publications (1)

Publication Number Publication Date
CN215493539U true CN215493539U (en) 2022-01-11

Family

ID=79779878

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121114324.XU Active CN215493539U (en) 2021-05-24 2021-05-24 Water environment monitoring device capable of adjusting water sampling depth

Country Status (1)

Country Link
CN (1) CN215493539U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113484082A (en) * 2021-07-06 2021-10-08 青海九零六工程勘察设计院 Dedicated sewage quality of water verifying attachment of environmental protection detection

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113484082A (en) * 2021-07-06 2021-10-08 青海九零六工程勘察设计院 Dedicated sewage quality of water verifying attachment of environmental protection detection

Similar Documents

Publication Publication Date Title
CN215493539U (en) Water environment monitoring device capable of adjusting water sampling depth
CN113110454A (en) Rail type inspection robot for electric power system
CN203259540U (en) Multi-motor detection device for lifting system of self-elevating drilling platform
CN210347873U (en) Battery detection device
CN113484082A (en) Dedicated sewage quality of water verifying attachment of environmental protection detection
CN210467977U (en) Double-crank rocker type roller press
CN111256936A (en) Electric power detection device
CN210676363U (en) Roller press convenient to adjust initial clearance
CN214583651U (en) Intelligent greenhouse environment detection equipment
CN211596724U (en) Railway roadbed compactness detects sampler
CN113757525A (en) Intelligent house wall detects with quality detection device who is convenient for remove
CN211338656U (en) Lifting appliance for maintaining base of oil pumping unit
CN220582059U (en) Manual forest carbon sink capacity metering and detecting device
CN212693468U (en) Concrete detection device for monitoring construction engineering quality
CN219475274U (en) Cutter abrasion testing machine of shield tunneling machine
CN220183762U (en) Highway maintenance is with damaged detection device
CN211954332U (en) A measuring device for drop shaft material level
CN215114442U (en) Symmetry degree checking fixture for piston skirt of internal combustion engine
CN218305929U (en) Installation device of fire-fighting water pipe
CN218496442U (en) Soil moisture content survey device of adjustable degree of depth
CN219065397U (en) Outdoor air quality monitoring device
CN220481426U (en) Supporting clamping device suitable for maintenance of cutterhead of multi-diameter shield tunneling machine
CN213276327U (en) Water conservancy monitoring device with automatic information acquisition function
CN214953993U (en) New energy automobile battery fault detection platform
CN214308822U (en) Novel road and bridge reinforcing bar protective layer measuring apparatu

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant