CN111537286B - Sampling structure and water resource utilization check out test set - Google Patents
Sampling structure and water resource utilization check out test set Download PDFInfo
- Publication number
- CN111537286B CN111537286B CN202010587023.2A CN202010587023A CN111537286B CN 111537286 B CN111537286 B CN 111537286B CN 202010587023 A CN202010587023 A CN 202010587023A CN 111537286 B CN111537286 B CN 111537286B
- Authority
- CN
- China
- Prior art keywords
- assembly
- sleeve
- sampling
- sampling head
- threaded
- 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
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/18—Water
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Biochemistry (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention relates to the relevant technical field of water resource detection, in particular to a sampling structure and water resource utilization detection equipment, wherein the sampling structure comprises a sleeve and a handle fixed at one end of the sleeve, a sampling head assembly is arranged at one end of the sleeve, which is far away from the handle, the sampling head assembly is connected with a telescopic assembly arranged in the sleeve, and the telescopic assembly can be used for adjusting the position of the sampling head assembly; the sampling head subassembly include with the sampling head that link assembly is connected and fix the sampling tube that the sampling head kept away from link assembly one end, the inboard of sampling head still is provided with suction assembly, suction assembly is used for the sample extraction. The control device controls the driving assembly to move, so that the connecting rod assembly is driven to move, different sampling requirements of the sampling head are met under different states of the connecting rod assembly, the practicability is high, and the sampling is realized after the sampling head reaches a required sampling position through the set suction assembly.
Description
Technical Field
The invention relates to the technical field related to water resource detection, in particular to a sampling structure and water resource utilization detection equipment.
Background
Water is a life source, water resources are protected scientifically and reasonably, and advanced technologies and equipment need to be invested.
The water resource monitoring is used for the water department to monitor water intake from the self-contained well, water inflow and outflow of a water plant, open channel flow, underground water level, water quality of a water source place, remote water selling management of water resources and the like. Plays an important role in effectively protecting water resources, reasonably utilizing water resources and strengthening social water-saving consciousness.
Generally need the testing personnel to adopt the instrument to detect after sampling through sampling device at the water quality testing in-process, but current sampling device exists following not enough: 1. need the manual extraction of testing personnel hand, need store in discharging the water storage bottle with the sample again after the extraction, the operation is complicated, and the practicality is poor, 2, current sampling device extraction position is not well controlled.
Disclosure of Invention
The present invention is directed to a sampling structure and a water resource utilization detecting apparatus, so as to solve the problems of the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
a sampling structure comprises a sleeve and a handle fixed at one end of the sleeve, wherein a sampling head assembly is arranged at one end, away from the handle, of the sleeve, the sampling head assembly is connected with a telescopic assembly arranged in the sleeve, the telescopic assembly can be used for adjusting the position of the sampling head assembly, a water storage bottle is arranged between the sampling head assembly and the sleeve, and the water storage bottle is connected with a water absorption assembly arranged on the sleeve;
the telescopic assembly comprises a connecting rod assembly and a driving assembly for driving the connecting rod assembly to move, and when the connecting rod assembly is positioned at the two stroke ends of the connecting rod assembly, the connecting rod assembly is in a straight shape and an L shape respectively;
the sampling head assembly comprises a sampling head connected with the connecting rod assembly and a sampling tube fixed at one end of the sampling head far away from the connecting rod assembly, and a suction assembly is further arranged on the inner side of the sampling head and used for extracting a sample;
the sampling structure further comprises a control device, and the control device is electrically connected with the driving assembly and the suction assembly.
As a further scheme of the invention: the control device comprises a control switch arranged on the sleeve, and the control switch is also electrically connected with a storage battery arranged on the sleeve.
As a still further scheme of the invention: the connecting rod assembly comprises a second threaded sleeve and a third threaded sleeve which are hinged to each other, the second threaded sleeve and the third threaded sleeve are connected with the driving assembly, the third threaded sleeve is in sliding fit with the inner wall of the sleeve through a guide assembly, one end of the third threaded sleeve is far away from the second threaded sleeve, the sampling head is fixedly connected with the sampling head, and the second threaded sleeve is connected with the inner wall of the sleeve through a sliding assembly.
As a still further scheme of the invention: the driving assembly comprises a second motor fixed on the sleeve, an output shaft of the second motor is rotatably connected with a second threaded rod rotatably installed on the inner wall of the sleeve through a transmission belt, and the second threaded rod is in threaded connection with the second threaded sleeve and the third threaded sleeve.
As a still further scheme of the invention: the guide assembly comprises a guide rod fixed on the inner wall of the sleeve and a sliding sleeve sleeved on the guide rod and in sliding fit with the guide rod, and the sliding sleeve is in sliding fit with the third threaded sleeve.
As a still further scheme of the invention: the sliding assembly comprises a guide groove formed in the inner wall of the sleeve and a movable block in sliding fit with the guide groove, a cylindrical part is fixed on the movable block, and the cylindrical part is movably connected with a connecting piece fixed on the second threaded sleeve.
As a still further scheme of the invention: the suction assembly is including setting up the sample head inboard and with the gliding first piston of sample head and with first piston fixed connection's threaded sleeve, threaded sleeve with by installing first motor drive's in the sample head first threaded rod threaded connection, the inboard cavity of sample head is the setting of cuboid structure, the shape of first piston with the inboard shape adaptation of sample head.
As a still further scheme of the invention: the water absorption assembly comprises a sliding guide pipe fixedly arranged on the inner wall of the sleeve, one end of the sliding guide pipe is fixedly connected with a three-way joint, one end of the three-way joint is movably connected with the water storage bottle through a clamping ring, the other end of the three-way joint is connected with a telescopic pipe, and the telescopic pipe is connected to the inner wall of the sampling head through a one-way valve.
As a still further scheme of the invention: still be provided with the second piston in the inboard cavity of leading the slide pipe, the shape of second piston with lead the inboard shape adaptation of slide pipe, the second piston still through the guide block with movable block fixed connection, the lateral wall of leading the slide pipe still be provided with guide block sliding connection's spout.
Compared with the prior art, the invention has the beneficial effects that: the sampling device is novel in design, 1, the driving assembly is controlled to move through the arranged control device, so that the connecting rod assembly is driven to move, the sampling head meets different sampling requirements under different states of the connecting rod assembly, the practicability is high, 2, sampling is achieved after the sampling head reaches a required sampling position through the arranged suction assembly, the water absorption assembly absorbs water into the water storage bottle for storage, and the sampling device is simple in operation and convenient to use.
Drawings
Fig. 1 is a schematic structural diagram of a sampling structure.
FIG. 2 is a cross-sectional view of a sampling structure.
FIG. 3 is a schematic structural view of the sampling structure with the connecting rod assembly in an L-shaped state.
Fig. 4 is a partially enlarged view of fig. 3 at B.
FIG. 5 is a schematic diagram of a sampling head in a sampling structure.
In the figure: 1-handle, 2-control switch, 3-sleeve, 4-sampling head, 5-sampling tube, 6-first piston, 7-first screw sleeve, 8-first screw rod, 9-first motor, 10-guide rod, 11-second screw sleeve, 12-third screw sleeve, 13-sliding sleeve, 14-second motor, 15-storage battery, 16-movable block, 17-column piece, 18-connecting piece, 19-guide groove, 20-second screw rod, 21-telescopic tube, 22-one-way valve, 23-water storage bottle, 24-second piston, 25-snap ring, 26-guide block, 27-guide slide tube and 28-slide groove.
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.
In addition, an element of the present invention may be said to be "fixed" or "disposed" to another element, either directly on the other element or with intervening elements present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Referring to fig. 1 to 4, in an embodiment of the present invention, the sampling structure includes a sleeve 3 and a handle 1 fixed at one end of the sleeve 3, a sampling head assembly is disposed at one end of the sleeve 3 away from the handle 1, the sampling head assembly is connected to a telescopic assembly disposed in the sleeve 3, the telescopic assembly can be used to adjust a position of the sampling head assembly, a water storage bottle 23 is disposed between the sampling head assembly and the sleeve 3, and the water storage bottle 23 is connected to a water absorption assembly disposed on the sleeve 3;
the telescopic assembly comprises a connecting rod assembly and a driving assembly for driving the connecting rod assembly to move, and when the connecting rod assembly is positioned at the two stroke ends of the connecting rod assembly, the connecting rod assembly is in a straight shape and an L shape respectively;
the sampling head assembly comprises a sampling head 4 connected with the connecting rod assembly and a sampling tube 5 fixed at one end of the sampling head 4 far away from the connecting rod assembly, and a suction assembly is further arranged on the inner side of the sampling head 4 and used for extracting a sample;
the sampling structure further comprises a control device, and the control device is electrically connected with the driving assembly and the suction assembly.
In the embodiment of the invention, the driving assembly is controlled to move by the arranged control device, so that the connecting rod assembly is driven to move, the sampling head 4 meets different sampling requirements under different states of the connecting rod assembly, the practicability is high, the sampling is realized after the sampling head 4 reaches a required sampling position by the arranged suction assembly, and the sample water in the sampling head 4 is absorbed into the water storage bottle 23 for storage by the arranged water absorption assembly, so that the use is convenient.
In the embodiment of the invention, the handle 1 is sleeved with the rubber sleeve, so that the comfort in the use process is improved.
In the embodiment of the invention, it can be understood that the two stroke ends of the connecting rod assembly, namely the sampling head 4, are in the retracted state and in the state of being perpendicular to the sleeve 3, and the connecting rod assembly is in the position.
As an embodiment of the present invention, the control device includes a control switch 2 mounted on the sleeve 3, and the control switch 2 is further electrically connected to a storage battery 15 disposed on the sleeve 3.
In the embodiment of the invention, the control switch 2 adopts a push switch, when the control switch 2 is in a horizontal state, the driving component and the suction component are both in a closed state, and when the control switch 2 is in two inclined states, the working start of the driving component or the suction component is realized.
As an embodiment of the present invention, the connecting rod assembly includes a second threaded sleeve 11 and a third threaded sleeve 12 hinged to each other, the second threaded sleeve 11 and the third threaded sleeve 12 are connected to the driving assembly, the third threaded sleeve 12 is in sliding fit with the inner wall of the sleeve 3 through a guiding assembly, and one end of the second threaded sleeve 11 away from the third threaded sleeve 12 is fixedly connected to the sampling head 4 and is connected to the inner wall of the sleeve 3 through a sliding assembly.
In the embodiment of the invention, the second threaded sleeve 11 and the third threaded sleeve 12 are driven to move by the provided driving component, and the second threaded sleeve 11 and the third threaded sleeve 12 perform linear movement under the action of the guiding component and the sliding component respectively.
As an embodiment of the present invention, the driving assembly includes a second motor 14 fixed on the sleeve 3, an output shaft of the second motor 14 is rotatably connected to a second threaded rod 20 rotatably mounted on an inner wall of the sleeve 3 through a transmission belt 14, and the second threaded rod 20 is threadedly connected to the second threaded sleeve 11 and the third threaded sleeve 12.
In the embodiment of the invention, the second motor 14 is arranged to drive the second threaded rod 20 to rotate, and when the second threaded rod 20 rotates, the second threaded sleeve 11 and the third threaded sleeve 12 which are in threaded connection with the second threaded rod are driven to move along the axial direction of the second threaded rod 20.
As an embodiment of the present invention, the guiding assembly includes a guiding rod 10 fixed on the inner wall of the sleeve 3, and a sliding sleeve 13 sleeved on the guiding rod 10 and slidably engaged with the guiding rod 10, wherein the sliding sleeve 13 and the third threaded sleeve 12 are provided.
In the embodiment of the invention, the sliding limit of the third threaded sleeve 12 is realized by the sliding fit of the arranged sliding sleeve 13 and the guide rod 10, so that the third threaded sleeve 12 only moves linearly and does not rotate.
As an embodiment of the present invention, the sliding assembly includes a guide groove 19 disposed on the inner wall of the sleeve 3 and a movable block 16 slidably engaged with the guide groove 19, a cylindrical member 17 is fixed on the movable block 16, and the cylindrical member 17 is movably connected to a connecting member 18 fixed on the second threaded sleeve 11.
In the embodiment of the invention, the sliding limit of the second threaded sleeve 11 is realized by the matching of the arranged movable block 16 and the guide groove 19, and the rotation limit is realized by the matching of the column-shaped part 17 and the connecting part 18 when the second threaded sleeve 11 and the third threaded sleeve 12 rotate, wherein, it should be noted that the connecting part 18 is provided with a through groove, and the passing area of the through groove is larger than the diameter of the column-shaped part 17.
As an embodiment of the present invention, the suction assembly includes a first piston 6 disposed inside the sampling head 4 and sliding with the sampling head 4, and a threaded sleeve 7 fixedly connected to the first piston 6, the threaded sleeve 7 is in threaded connection with a first threaded rod 8 driven by a first motor 9 installed inside the sampling head 4, an inner cavity of the sampling head 4 is disposed in a rectangular parallelepiped structure, and the shape of the first piston 6 is adapted to the inner shape of the sampling head 4.
In the embodiment of the invention, the first motor 9 is arranged to drive the first threaded rod 8 to rotate, and when the first threaded rod 8 rotates, the first threaded sleeve 7 drives the piston 6 to move, so that the driving requirement is realized.
As an embodiment of the invention, the water absorption assembly comprises a slide guide pipe 27 fixedly arranged on the inner wall of the sleeve 3, one end of the slide guide pipe 27 is fixedly connected with a three-way joint 28, one end of the three-way joint 28 is movably connected with the water storage bottle 23 through a snap ring 25, the other end of the three-way joint 28 is connected with a telescopic pipe 21, and the telescopic pipe 21 is connected with the inner wall of the sampling head 4 through a one-way valve 22.
In an embodiment of the present invention, a second piston 24 is further disposed in an inner cavity of the slide guide 27, a shape of the second piston 24 is adapted to an inner shape of the slide guide 27, the second piston 24 is fixedly connected to the movable block 16 through a guide block 26, and a slide groove 29 slidably connected to the guide block 26 is further disposed on a side wall of the slide guide 27.
In the embodiment of the invention, when sampling is completed, the motor rotates to drive the second threaded sleeve 11 to move, the second threaded sleeve 11 drives the movable block 16 to move, the movable block 16 drives the second piston 24 to move through the guide block 26, water of the sampling head is absorbed into the water storage bottle 23 to be stored, after the water storage bottle 23 completes water storage, the snap ring 24 is loosened, the water storage bottle 23 is taken away, samples are stored, and the water storage bottle 23 is replaced by a new water storage bottle 23 when next sampling is performed.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. A sampling structure is characterized by comprising a sleeve (3) and a handle (1) fixed at one end of the sleeve (3), wherein a sampling head assembly is arranged at one end, far away from the handle (1), of the sleeve (3), the sampling head assembly is connected with a telescopic assembly arranged in the sleeve (3), the telescopic assembly can be used for adjusting the position of the sampling head assembly, a water storage bottle (23) is arranged between the sampling head assembly and the sleeve (3), and the water storage bottle (23) is connected with a water absorption assembly arranged on the sleeve (3);
the telescopic assembly comprises a connecting rod assembly and a driving assembly for driving the connecting rod assembly to move, and when the connecting rod assembly is positioned at the two stroke ends of the connecting rod assembly, the connecting rod assembly is in a straight shape and an L shape respectively;
the sampling head assembly comprises a sampling head (4) connected with the connecting rod assembly and a sampling tube (5) fixed at one end of the sampling head (4) far away from the connecting rod assembly, and a suction assembly is further arranged on the inner side of the sampling head (4) and used for extracting a sample;
the sampling structure further comprises a control device, and the control device is electrically connected with the driving assembly and the suction assembly;
the connecting rod assembly comprises a second threaded sleeve (11) and a third threaded sleeve (12) which are hinged to each other, the second threaded sleeve (11) and the third threaded sleeve (12) are connected with the driving assembly, the third threaded sleeve (12) is in sliding fit with the inner wall of the sleeve (3) through a guide assembly, and one end, far away from the third threaded sleeve (12), of the second threaded sleeve (11) is fixedly connected with the sampling head (4) and is connected with the inner wall of the sleeve (3) through a sliding assembly; the sliding assembly comprises a guide groove (19) arranged on the inner wall of the sleeve (3) and a movable block (16) in sliding fit with the guide groove (19), a cylindrical part (17) is fixed on the movable block (16), and the cylindrical part (17) is movably connected with a connecting piece (18) fixed on the second threaded sleeve (11);
the water absorption assembly comprises a sliding guide pipe (27) fixedly arranged on the inner wall of the sleeve (3), one end of the sliding guide pipe (27) is fixedly connected with a three-way joint (28), one end of the three-way joint (28) is movably connected with the water storage bottle (23) through a clamping ring (24), the other end of the three-way joint (28) is connected with a telescopic pipe (21), and the telescopic pipe (21) is connected to the inner wall of the sampling head (4) through a one-way valve (22);
still be provided with second piston (24) in the inboard cavity of leading slide tube (27), the shape of second piston (24) with the inboard shape adaptation of leading slide tube (27), second piston (24) through guide block (26) with movable block (16) fixed connection, the lateral wall of leading slide tube (27) still be provided with guide block (26) sliding connection's spout (29).
2. A sampling structure according to claim 1, characterized in that said control means comprise a control switch (2) mounted on said sleeve (3), and in that said control switch (2) is also electrically connected to an accumulator (15) provided on said sleeve (3).
3. A sampling structure according to claim 1, characterized in that said driving assembly comprises a second motor (14) fixed to said sleeve (3), the output shaft of said second motor (14) being rotatably connected to a second threaded rod (20) rotatably mounted on the inner wall of said sleeve (3) by means of a belt (14), said second threaded rod (20) being threadedly connected to said second threaded sleeve (11) and to said third threaded sleeve (12).
4. A sampling structure according to claim 1, characterized in that said guide assembly comprises a guide rod (10) fixed on the inner wall of said sleeve (3) and a sliding sleeve (13) fitted over said guide rod (10) and slidably engaged with said guide rod (10), said sliding sleeve (13) and said third threaded sleeve (12).
5. A sampling structure according to claim 1, characterized in that said suction assembly comprises a first piston (6) arranged inside said sampling head (4) and sliding with said sampling head (4) and a threaded sleeve (7) fixedly connected with said first piston (6), said threaded sleeve (7) being in threaded connection with a first threaded rod (8) driven by a first motor (9) installed inside said sampling head (4), the inner cavity of said sampling head (4) being arranged in a rectangular parallelepiped configuration, the shape of said first piston (6) being adapted to the inner shape of said sampling head (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010587023.2A CN111537286B (en) | 2020-06-24 | 2020-06-24 | Sampling structure and water resource utilization check out test set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010587023.2A CN111537286B (en) | 2020-06-24 | 2020-06-24 | Sampling structure and water resource utilization check out test set |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111537286A CN111537286A (en) | 2020-08-14 |
| CN111537286B true CN111537286B (en) | 2021-05-18 |
Family
ID=71980847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010587023.2A Active CN111537286B (en) | 2020-06-24 | 2020-06-24 | Sampling structure and water resource utilization check out test set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111537286B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112697514B (en) * | 2021-01-06 | 2023-04-18 | 广东晟诚船务服务有限公司 | Deep sea seabed fixed-point water sample collection device and sampling method |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101680179B1 (en) * | 2014-08-13 | 2016-11-28 | 국민대학교산학협력단 | Sample Chamber Cartridge for Counting Particles |
| CN106053136A (en) * | 2016-05-18 | 2016-10-26 | 江苏科技大学 | High efficient and reliable underground water sampling device and sampling method |
| CN208060224U (en) * | 2018-05-11 | 2018-11-06 | 四川宝英环境技术有限公司 | A kind of water quality detection collecting device |
| CN208476915U (en) * | 2018-08-01 | 2019-02-05 | 长江水利委员会长江科学院 | A kind of smart water quality monitoring instrument suitable for various depth of water ranges |
| CN110243633A (en) * | 2019-06-20 | 2019-09-17 | 皖西学院 | A kind of water quality detection sample collecting device |
| CN210376318U (en) * | 2019-06-21 | 2020-04-21 | 福建青元环保有限公司 | Hand-held type water quality testing sampling device |
| CN210347222U (en) * | 2019-06-24 | 2020-04-17 | 湖北华信中正检测技术有限公司 | Water quality monitoring sampling system |
-
2020
- 2020-06-24 CN CN202010587023.2A patent/CN111537286B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN111537286A (en) | 2020-08-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111537286B (en) | Sampling structure and water resource utilization check out test set | |
| CN209085966U (en) | A kind of food safety detection sampler | |
| CN114563538B (en) | Energy-concerving and environment-protective type gas monitor for environmental monitoring | |
| CN111829820A (en) | Nuclear radiation soil collection trolley with adjustable collection depth | |
| CN212513878U (en) | Be applied to environmental monitoring's air quality collection system | |
| CN211250175U (en) | Cutting device of polymer plastic plate | |
| CN207730496U (en) | A kind of Multipurpose sampler for medical checkout room | |
| CN116968225B (en) | Rubber tube core-removing chuck | |
| CN108195683A (en) | A kind of hydraulic dynamometer | |
| CN209380674U (en) | Guiding sleeve type double cam SF6 valve body universal fixture | |
| CN208841515U (en) | A kind of four arc plug-in strip cutting machines | |
| CN215414218U (en) | Air tightness detection device for hydraulic cylinder | |
| CN214503593U (en) | High-precision three-parameter water quality analyzer | |
| CN209459948U (en) | A kind of low-power consumption surface water water quality monitoring equipment | |
| CN114279760A (en) | Reagent sampling device based on medical detection usefulness | |
| CN213144949U (en) | Telescopic device for hydraulic cylinder sealing test | |
| CN211954803U (en) | Water quality sampler for environmental monitoring | |
| CN209533369U (en) | Fixture is used in a kind of detection of municipal works waterproof material | |
| CN112591280A (en) | Biological environment water sample storage device with heat preservation subassembly | |
| CN208012961U (en) | A kind of hydraulic dynamometer | |
| CN220135065U (en) | Pipeline inner wall defect detection device with adjustable | |
| CN219978277U (en) | Handheld water quality detector | |
| CN218067204U (en) | Portable water sampling device | |
| CN219777221U (en) | Water detection sampler | |
| CN210158635U (en) | Tumor interventional sampling device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |