CN111855496B - Negative pressure rotary type paint viscosity detection method - Google Patents
Negative pressure rotary type paint viscosity detection method Download PDFInfo
- Publication number
- CN111855496B CN111855496B CN202010791115.2A CN202010791115A CN111855496B CN 111855496 B CN111855496 B CN 111855496B CN 202010791115 A CN202010791115 A CN 202010791115A CN 111855496 B CN111855496 B CN 111855496B
- Authority
- CN
- China
- Prior art keywords
- rotor
- groove
- detection
- negative pressure
- permanent magnet
- 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
- 238000001514 detection method Methods 0.000 title claims abstract description 84
- 239000003973 paint Substances 0.000 title claims abstract description 48
- 238000002955 isolation Methods 0.000 claims abstract description 13
- 238000009434 installation Methods 0.000 claims abstract description 9
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 239000007788 liquid Substances 0.000 description 5
- 239000000758 substrate Substances 0.000 description 5
- 230000003139 buffering effect Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N11/00—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties
- G01N11/10—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties by moving a body within the material
- G01N11/14—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties by moving a body within the material by using rotary bodies, e.g. vane
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Coating Apparatus (AREA)
Abstract
The invention discloses a negative pressure rotary paint viscosity detection method, which mainly comprises the following steps: s1, lofting; s2, debugging; s3, detecting; s4, exhaust anti-interference; the negative pressure rotary type paint viscosity detection method further relates to negative pressure rotary type paint viscosity detection equipment, and the negative pressure rotary type paint viscosity detection equipment comprises a base plate and a frame which is arranged on the base plate and can stretch and rotate, wherein a detection container with an open upper end is movably arranged on the base plate through a limiting mechanism, a driving motor is arranged on the frame, an output shaft of the driving motor is connected with a cylindrical rotor through a connecting rod, an installation groove is coaxially formed in the rotor, a magnetic isolation plate is vertically arranged in the installation groove, and the installation groove is separated into two control grooves with the same size by the magnetic isolation plate. According to the invention, by utilizing the magnetic force action between the first permanent magnet plate and the second permanent magnet plate, bubbles on the surface of the rotor can be sucked and discharged to the outside, so that the influence of the bubbles adhered to the surface of the rotor on the detection precision can be effectively reduced.
Description
Technical Field
The invention relates to the technical field of chemical detection equipment, in particular to a negative pressure rotary type paint viscosity detection method.
Background
In order to be able to store the liquid paint in a container for a long time, the viscosity value of the liquid paint is usually kept high, which is the original viscosity of the paint, and the viscosity is adjusted to be low by a thinner during construction to meet the requirements of different construction methods.
In the prior art, a rotational viscometer is commonly used, which detects the rotational speed of a rotating component in the paint to be detected in real time, and obtains the viscosity value of the paint through analysis of the rotational speed, however, when the rotating component is placed in the paint to be detected, the surface of the conventional viscosity detection equipment is often attached with certain bubbles, and the bubbles are difficult to float into the paint liquid surface by themselves due to the fact that the annual length of the paint is generally larger, the accuracy of rotational speed detection is greatly affected by the existence of the bubbles, and meanwhile, the rotation of the rotating component drives the paint to move, so that the paint collides with a detection container, the detection container is also caused to shake, and the detection result is inaccurate.
Disclosure of Invention
The invention aims to solve the defect that bubbles are easy to adhere to the surface of a rotating part during the existing paint viscosity detection in the prior art so as to influence the paint viscosity detection result, and provides a negative pressure rotary paint viscosity detection method.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
a negative pressure rotary paint viscosity detection method mainly comprises the following steps:
s1, lofting: the detection container is placed in the placing groove, the elastic force of the limiting springs is utilized to enable the arc plates to be propped against the side wall of the detection container, so that the influence of device vibration on the detection container during detection can be reduced, and then the paint to be detected is poured into the detection container;
s2, debugging: the position of the rotor is regulated by the rack, the rotor is placed into the detection container, the rotor is kept to coincide with the vertical axis of the detection container, and the rotor is completely submerged in the paint in the detection container;
s3, detecting: starting a driving motor, driving a rotor to rotate at a given rotating speed by the driving motor through a connecting rod, measuring moment caused by paint in a detection container to the inner wall of the detection container when the rotor rotates by an external detection device, and obtaining a viscosity value of the paint according to a conversion formula;
s4, exhaust anti-interference: when the rotor rotates, the magnetic force between the first permanent magnet plate and the second permanent magnet plate is utilized to enable the first permanent magnet plate to intermittently squeeze the corresponding driving area, so that a negative pressure area is formed at the filter layer to suck and discharge bubbles on the surface of the rotor to the outside, and further, the influence of the adhesion of the bubbles on the surface of the rotor on the detection precision can be effectively reduced;
the negative pressure rotary paint viscosity detection method further relates to negative pressure rotary paint viscosity detection equipment, and the negative pressure rotary paint viscosity detection equipment comprises a substrate and a rack which is arranged on the substrate and can stretch and rotate, wherein a detection container with an open upper end is movably arranged on the substrate through a limiting mechanism, a driving motor is arranged on the rack, an output shaft of the driving motor is connected with a cylindrical rotor through a connecting rod, an installation groove is coaxially formed in the rotor, a magnetic isolation plate is vertically arranged in the installation groove, the magnetic isolation plate divides the installation groove into two control grooves with the same size, and a first permanent magnet plate is hermetically and slidably connected in each control groove;
the first permanent magnet plates divide the corresponding control grooves into driving areas and buffer areas, the buffer areas are close to one sides of the magnetic isolation plates, the side walls of the detection containers are symmetrically provided with second permanent magnet plates matched with the first permanent magnet plates, the side walls of the rotors are symmetrically provided with temporary storage grooves, the notch of each temporary storage groove is provided with a filter layer, and an air inlet pipe is communicated between each temporary storage groove and the corresponding driving area;
the connecting rod is provided with a circulation groove, through holes are formed in the groove wall at the upper end of the circulation groove and communicated with the outside, an exhaust pipe is arranged between each driving area and the circulation groove in a communicated mode, and a communicating pipe is arranged between each buffer area and the circulation groove in a communicated mode.
Preferably, the limiting mechanism comprises a circular placing groove formed in the upper end face of the substrate, a plurality of limiting springs are uniformly and fixedly connected to the inner wall of the placing groove along the radial direction, one ends, far away from the groove wall of the placing groove, of the limiting springs are fixedly connected with arc plates, and one ends, far away from the corresponding limiting springs, of the arc plates are abutted against the side wall of the detection container.
Preferably, the air inlet pipe and the air outlet pipe are respectively provided with a first check valve and a second check valve.
Compared with the prior art, the invention has the beneficial effects that: through setting up stop gear, utilize limit spring to detect the prescribing a limit to the container, both can avoid detecting the in-process, detect the container and take place to rock, influence the accuracy of testing result, made things convenient for again to detect the placing of container, through utilizing the magnetic force effect between first permanent magnetism board and the second permanent magnetism board, can suck the bubble on rotor surface and discharge to the external world, and then can effectively reduce rotor surface adhesion bubble and cause the influence to the detection precision.
Drawings
FIG. 1 is a schematic diagram of a negative pressure rotary paint viscosity detection device according to the present invention;
FIG. 2 is an enlarged view of FIG. 1 at A;
FIG. 3 is a schematic view of the internal structure of a rotor in a negative pressure rotary paint viscosity detection device according to the present invention;
fig. 4 is a schematic diagram of a part of a limiting mechanism in a negative pressure rotary paint viscosity detecting device according to the present invention.
In the figure: 1 a base plate, 2 a placing groove, 3 a limit spring, 4 an arc-shaped plate, 5 a frame, 6 a driving motor, 7 a connecting rod, 8 a rotor, 9 a mounting groove, 10 a magnetic isolation plate, 11 a first permanent magnet plate, 12 a temporary storage groove, 13 a filter layer, 14 an air inlet pipe, 15 an exhaust pipe, 16 a communicating pipe, 17 a circulating groove, 18 a detection container and 19 a second permanent magnet plate.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Referring to fig. 1-4, a method for detecting viscosity of a negative pressure rotary paint mainly comprises the following steps:
s1, lofting: the detection container 18 is placed in the placing groove 2, the elastic force of the limiting springs 3 is utilized to enable the arc plates 4 to be propped against the side wall of the detection container 18, so that the influence of device vibration on the detection container 18 during detection can be reduced, and then the paint to be detected is poured into the detection container 18;
s2, debugging: the position of the rotor 8 is regulated by the frame 5, the rotor 8 is placed in the detection container 18, the rotor 8 is kept coincident with the vertical axis of the detection container 18, and the rotor is completely submerged in the paint in the detection container 18;
s3, detecting: starting a driving motor 6, driving the rotor 8 to rotate at a given rotating speed by the driving motor 6 through a connecting rod 7, measuring the moment caused by the paint in the detection container 18 on the inner wall of the detection container 18 when the rotor 8 rotates by an external detection device, and obtaining the viscosity value of the paint according to a conversion formula;
s4, exhaust anti-interference: when the rotor 8 rotates, the magnetic force between the first permanent magnet plate 11 and the second permanent magnet plate 19 is utilized to enable the first permanent magnet plate 11 to intermittently squeeze the corresponding driving area, so that a negative pressure area is formed at the filter layer 13 to suck and discharge bubbles on the surface of the rotor 8 to the outside, and further the influence of the adhesion bubbles on the surface of the rotor 8 on the detection precision can be effectively reduced;
the negative pressure rotary paint viscosity detection method further relates to negative pressure rotary paint viscosity detection equipment, which comprises a base plate 1 and a rack 5 which is arranged on the base plate 1 and can stretch and rotate, wherein the rack 5 can drive a rotor 8 to move horizontally and vertically (the prior art is omitted herein), so that the position of the rotor 8 can be conveniently adjusted, a detection container 18 with an open upper end is movably arranged on the base plate 1 through a limiting mechanism, a moment detection mechanism is arranged on the detection container 18, a driving motor 6 is arranged on the rack 5, an output shaft of the driving motor 6 is fixedly connected with a cylindrical rotor 8 through a connecting rod 7, a mounting groove 9 is coaxially formed in the rotor 8, a magnetic isolation plate 10 is vertically and fixedly arranged in the mounting groove 9, the magnetic isolation plate 10 separates the mounting groove 9 into two control grooves with the same size, first permanent magnet plates 11 are hermetically and slidingly connected in each control groove, and the magnetic force between the two first permanent magnet plates 11 can be prevented from influencing the movement of the two first permanent magnet plates 11 through the magnetic isolation plate 10;
the first permanent magnet plates divide the corresponding control grooves into driving areas and buffer areas, the buffer areas are close to one side of the magnetic isolation plate 10, the side wall of the detection container 18 is symmetrically provided with second permanent magnet plates 19 matched with the first permanent magnet plates 11, the side wall of the rotor 8 is symmetrically provided with temporary storage grooves 12, the notch of each temporary storage groove 12 is provided with a filter layer 13, the filter layer 13 is made of waterproof and breathable materials made of polytetrafluoroethylene, external water molecules can be isolated from entering the temporary storage groove 12, but external gas can freely pass through, the friction coefficient is extremely low, the viscosity detection of the paint is not influenced, an air inlet pipe 14 is communicated between each temporary storage groove 12 and the corresponding driving area, a first one-way valve is arranged in the air inlet pipe 14, and only gas or liquid in the temporary storage groove 12 is allowed to enter the driving area through the air inlet pipe 14;
the connecting rod 7 is provided with a circulation groove 17, through holes are formed in the upper end groove wall of the circulation groove 17 and communicated with the outside, an exhaust pipe 15 is arranged between each driving area and the circulation groove 17 in a communicating mode, a second one-way valve is installed in the exhaust pipe 15, the second one-way valve only allows gas or liquid in the driving area to enter the circulation groove 17 through the exhaust pipe 15, and a communicating pipe 16 is arranged between each buffering area and the circulation groove 17 in a communicating mode, so that the pressure in the buffering area is always the same as the pressure of the outside, and the first permanent magnet plate 11 is guaranteed to freely slide in the control groove.
In the invention, the limiting mechanism comprises a circular placing groove 2 formed in the upper end face of a substrate 1, a plurality of limiting springs 3 are uniformly and fixedly connected to the inner wall of the placing groove 2 along the radial direction, one end of each limiting spring 3 far away from the groove wall of the placing groove 2 is fixedly connected with an arc plate 4, and one side face of each arc plate 4 far away from the corresponding limiting spring 3 is glued with a rubber pad, so that the friction force between the arc plate 4 and the side wall of a detection container 18 can be improved, and one end of each arc plate 4 far away from the corresponding limiting spring 3 is propped against the side wall of the detection container 18.
The invention can explain its functional principle by the following modes of operation: when the driving motor 6 drives the rotor 8 to rotate in the paint through the connecting rod 7, the two first permanent magnet plates 11 also rotate along with the rotor, then under the magnetic force of the second permanent magnet plates 19, the first permanent magnet plates 11 slide back and forth along the horizontal direction in the corresponding control area, when the first permanent magnet plates 11 slide towards the extrusion buffer area, negative pressure is generated in the driving area to suck the air in the corresponding temporary storage groove 12 into the driving area through the air inlet pipe 14, so that negative pressure is generated at the filter layer 13 corresponding to the notch of the temporary storage groove 12, and then free air bubbles on the surface of the rotor 8 and in the paint can be sucked into the driving area, and when the first permanent magnet plates 11 move towards the extrusion driving area, the air in the driving area is discharged to the outside through the air outlet pipe 15, the circulation groove 17 and the through holes in sequence, so that the influence of the adhesion air bubbles on the surface of the rotor 8 on the detection precision can be effectively reduced.
It is worth noting that by arranging the limiting mechanism, the vibration received by the detection container 18 can be buffered by the buffering action of the limiting spring 3 to keep the stability of the detection container 18, and the placement of the detection container 18 is facilitated.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (1)
1. The negative pressure rotary paint viscosity detection method is characterized by mainly comprising the following steps of:
s1, lofting: the detection container (18) is placed in the placing groove (2) and the elastic force of the limiting springs (3) is utilized to enable the arc plates (4) to be propped against the side wall of the detection container (18), so that the influence of device vibration on the detection container (18) during detection can be reduced, and then the paint to be detected is poured into the detection container (18);
s2, debugging: the position of the rotor (8) is regulated through the frame (5), the rotor (8) is placed into the detection container (18) and keeps the vertical axis of the rotor (8) and the detection container (18) coincident, and the rotor is completely submerged in the paint in the detection container (18);
s3, detecting: starting a driving motor (6), driving the rotor (8) to rotate at a given rotating speed by the driving motor (6) through a connecting rod (7), measuring the moment caused by the paint in the detection container (18) on the inner wall of the detection container (18) when the rotor (8) rotates through an external detection device, and obtaining the viscosity value of the paint according to a conversion formula;
s4, exhaust anti-interference: when the rotor (8) rotates, the magnetic force between the first permanent magnet plate (11) and the second permanent magnet plate (19) is utilized to enable the first permanent magnet plate (11) to intermittently extrude a corresponding driving area, so that a negative pressure area is formed at the filter layer (13) to suck and discharge bubbles on the surface of the rotor (8) to the outside, and further, the influence of the adhesion of the bubbles on the surface of the rotor (8) on the detection precision can be effectively reduced;
the negative pressure rotary paint viscosity detection method further relates to negative pressure rotary paint viscosity detection equipment, which comprises a base plate (1) and a rack (5) which is arranged on the base plate (1) and can stretch and rotate, wherein a detection container (18) with an open upper end is movably arranged on the base plate (1) through a limiting mechanism, a driving motor (6) is arranged on the rack (5), an output shaft of the driving motor (6) is connected with a cylindrical rotor (8) through a connecting rod (7), an installation groove (9) is coaxially formed in the rotor (8), a magnetic isolation plate (10) is vertically arranged in the installation groove (9), the installation groove (9) is divided into two control grooves with the same size by the magnetic isolation plate (10), and a first permanent magnet plate (11) is hermetically and slidingly connected in each control groove;
the first permanent magnet plates divide the corresponding control grooves into a driving area and a buffer area, the buffer area is close to one side of the magnetic isolation plate (10), second permanent magnet plates (19) matched with the first permanent magnet plates (11) are symmetrically arranged on the side wall of the detection container (18), temporary storage grooves (12) are symmetrically arranged on the side wall of the rotor (8), filter layers (13) are arranged at the notch of each temporary storage groove (12), and air inlet pipes (14) are respectively communicated between each temporary storage groove (12) and the corresponding driving area;
a circulation groove (17) is formed in the connecting rod (7), a through hole is formed in the upper end groove wall of the circulation groove (17) and communicated with the outside, an exhaust pipe (15) is formed in each driving area and the circulation groove (17) in a communicated mode, a communicating pipe (16) is formed in each buffer area and the circulation groove (17) in a communicated mode, and a first one-way valve and a second one-way valve are respectively arranged in each air inlet pipe (14) and each exhaust pipe (15);
the limiting mechanism comprises a circular placing groove (2) formed in the upper end face of a base plate (1), a plurality of limiting springs (3) are uniformly and fixedly connected to the inner wall of the placing groove (2) along the radial direction, one end, far away from the groove wall of the placing groove (2), of each limiting spring (3) is fixedly connected with an arc-shaped plate (4), and one end, far away from the corresponding limiting spring (3), of each arc-shaped plate (4) is abutted against the side wall of a detection container (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010791115.2A CN111855496B (en) | 2020-08-07 | 2020-08-07 | Negative pressure rotary type paint viscosity detection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010791115.2A CN111855496B (en) | 2020-08-07 | 2020-08-07 | Negative pressure rotary type paint viscosity detection method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111855496A CN111855496A (en) | 2020-10-30 |
| CN111855496B true CN111855496B (en) | 2023-11-10 |
Family
ID=72972404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010791115.2A Active CN111855496B (en) | 2020-08-07 | 2020-08-07 | Negative pressure rotary type paint viscosity detection method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111855496B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114459958B (en) * | 2022-02-11 | 2023-07-21 | 华北电力大学（保定） | Device and method for rapidly measuring air flow characteristics |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1733641A1 (en) * | 1989-04-20 | 1992-05-15 | Всесоюзный Научно-Исследовательский И Проектный Институт По Переработке Газа | Rotor machine |
| CN107243172A (en) * | 2017-07-06 | 2017-10-13 | 重庆金固特新材料科技有限公司 | A kind of Non-vacuum type deaeration machine |
| CN107643237A (en) * | 2017-10-13 | 2018-01-30 | 奇思智控（天津）商贸有限公司 | Viscosimeter |
| CN107930445A (en) * | 2017-10-30 | 2018-04-20 | 蔡洁钟 | A kind of stirring means using permanent magnet transmission |
| CN108645756A (en) * | 2018-07-24 | 2018-10-12 | 温州任和文化创意有限责任公司 | A kind of viscosity measurements equipment in thermoprint coating producing process |
| CN208224015U (en) * | 2018-05-31 | 2018-12-11 | 苏州市吴江东南建筑检测有限公司 | A kind of asphalt theoretical density tester |
| CN109073027A (en) * | 2016-03-09 | 2018-12-21 | 肯德隆（菲林根）有限公司 | Damping regulating system with vertical seal ring |
| CN210037531U (en) * | 2019-06-06 | 2020-02-07 | 泰安泰美生物科技有限公司 | Rotary viscometer |
-
2020
- 2020-08-07 CN CN202010791115.2A patent/CN111855496B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1733641A1 (en) * | 1989-04-20 | 1992-05-15 | Всесоюзный Научно-Исследовательский И Проектный Институт По Переработке Газа | Rotor machine |
| CN109073027A (en) * | 2016-03-09 | 2018-12-21 | 肯德隆（菲林根）有限公司 | Damping regulating system with vertical seal ring |
| CN107243172A (en) * | 2017-07-06 | 2017-10-13 | 重庆金固特新材料科技有限公司 | A kind of Non-vacuum type deaeration machine |
| CN107643237A (en) * | 2017-10-13 | 2018-01-30 | 奇思智控（天津）商贸有限公司 | Viscosimeter |
| CN107930445A (en) * | 2017-10-30 | 2018-04-20 | 蔡洁钟 | A kind of stirring means using permanent magnet transmission |
| CN208224015U (en) * | 2018-05-31 | 2018-12-11 | 苏州市吴江东南建筑检测有限公司 | A kind of asphalt theoretical density tester |
| CN108645756A (en) * | 2018-07-24 | 2018-10-12 | 温州任和文化创意有限责任公司 | A kind of viscosity measurements equipment in thermoprint coating producing process |
| CN210037531U (en) * | 2019-06-06 | 2020-02-07 | 泰安泰美生物科技有限公司 | Rotary viscometer |
Non-Patent Citations (1)
| Title |
|---|
| 旋转式数字粘度计的研究与设计;于倩;《中国优秀硕士学位论文全文数据库 (工程科技Ⅱ辑)》;20170215(第02期);第1-57页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111855496A (en) | 2020-10-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211122807U (en) | Water quality monitoring device based on Internet of things | |
| CN208313636U (en) | A kind of water-quality sampler of unmanned boat | |
| CN111855496B (en) | Negative pressure rotary type paint viscosity detection method | |
| CN109839484A (en) | A kind of environmental detection set and method | |
| CN201438188U (en) | Sample injection needle protection device used for full-automatic blood rheometer | |
| CN210570855U (en) | Piston type flowmeter | |
| CN112986103B (en) | Concrete water permeability coefficient detection device | |
| JP2001271761A (en) | Pump effective power deciding method and pump effective power testing method | |
| CN215114958U (en) | Dynamometer convenient to adjust and used for compressor detection | |
| CN111811444B (en) | Finished product detection mechanism of lens shearing machine | |
| CN213180867U (en) | Portable liquid sampler suitable for different depths | |
| CN104976987B (en) | One kind overcomes hydrostatic level stiction to mention high-precision device and method | |
| CN212539542U (en) | Shock-proof pressure gauge detection tool | |
| CN108447358B (en) | Demonstrate the physics teaching experimental device of Overweight and Zero Gravity state | |
| CN113776626A (en) | Anti-fluctuation liquid level measuring device | |
| CN203719826U (en) | Variable-rigidity support structure for flexible support balancing machine | |
| CN207623319U (en) | A kind of frothing milk detector | |
| CN217327632U (en) | Accurate detection device of coal bed gas well pump efficiency | |
| CN210774122U (en) | Meter convenient to install | |
| CN218726476U (en) | Imbibition experimental device | |
| CN104596608B (en) | Gas-metering device | |
| CN204988394U (en) | Actual oil consumption detecting system of diesel engine | |
| CN211913056U (en) | Pipeline gas flow velocity detection device for semiconductor manufacturing process | |
| CN216976325U (en) | Dynamic monitoring device for water inflow of mine | |
| CN217466143U (en) | Device for measuring air tightness of pipettor |
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 | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20230718 Address after: No. 105, Dazi Village, Tanxi Town, Pujiang County, Jinhua City, Zhejiang Province 322200 Applicant after: Zhou Xuquan Address before: 430000 Wuhan ruijinfeng road and Bridge Equipment Co., Ltd., Luohansi Street Industrial Park, Huangpi District, Wuhan City, Hubei Province Applicant before: Wuhan ruijinfeng road and Bridge Equipment Co.,Ltd. |
|
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20230823 Address after: Room 602, Building 1, No. 2 Xiaowu Xingye Street, Nansha District, Guangzhou City, Guangdong Province, 511400 Applicant after: Guangzhou Liangheng Testing Technology Service Co.,Ltd. Address before: No. 105, Dazi Village, Tanxi Town, Pujiang County, Jinhua City, Zhejiang Province 322200 Applicant before: Zhou Xuquan |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |