CN220556347U - Be applied to chemical production's liquid material measurement detection device - Google Patents

Be applied to chemical production's liquid material measurement detection device Download PDF

Info

Publication number
CN220556347U
CN220556347U CN202420087926.8U CN202420087926U CN220556347U CN 220556347 U CN220556347 U CN 220556347U CN 202420087926 U CN202420087926 U CN 202420087926U CN 220556347 U CN220556347 U CN 220556347U
Authority
CN
China
Prior art keywords
liquid
rod
box body
driving
differential gear
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
CN202420087926.8U
Other languages
Chinese (zh)
Inventor
孙涛
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.)
Dongying Industrial Products Inspection And Metrological Verification Center
Original Assignee
Dongying Industrial Products Inspection And Metrological Verification Center
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 Dongying Industrial Products Inspection And Metrological Verification Center filed Critical Dongying Industrial Products Inspection And Metrological Verification Center
Priority to CN202420087926.8U priority Critical patent/CN220556347U/en
Application granted granted Critical
Publication of CN220556347U publication Critical patent/CN220556347U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Measuring Volume Flow (AREA)

Abstract

The utility model relates to the technical field of chemical metering detection, in particular to a liquid material metering detection device applied to chemical production, which comprises a box body, wherein an observation window for observing liquid level is arranged on one side of the box body, a graduated scale is arranged on one side of the observation window, and a liquid outlet pipe is arranged at the bottom of the box body. When the liquid material measuring device is used, liquid materials enter a liquid inlet cavity in the box body through the liquid inlet pipe, the liquid level in the measuring cavity is continuously raised along with the liquid level in the liquid inlet cavity, the floating plate is driven to move upwards along the limiting rod, and when the floating plate is contacted with the top of the bottom groove, the pressure sensor is triggered to work and emit signals to control the electromagnetic valve in the liquid inlet pipe to be closed, so that the liquid materials are prevented from entering the box body; and then the liquid outlet pipe is opened to discharge liquid in the box body, and then the liquid outlet pipe is closed, and the liquid inlet operation is repeated, so that a plurality of groups of chemical production liquid materials with the same content to be detected can be rapidly and accurately metered out for a plurality of times.

Description

Be applied to chemical production's liquid material measurement detection device
Technical Field
The utility model relates to the technical field of chemical metering detection, in particular to a liquid material metering detection device applied to chemical production.
Background
Chemical production can store a large amount of chemical liquid, and a plurality of groups of chemical liquid need to be respectively and quantitatively sampled and detected to determine whether the state of the chemical liquid is stable.
Patent No. cn202122852750.X discloses a metering detection device for liquid taking metering, which comprises a metering box, the below fixedly connected with bottom plate of metering box, the one corner fixedly connected with base of bottom plate below, one side fixedly connected with guide bar that the bottom plate is close to the metering box, the one end fixedly connected with spacing piece that the bottom plate was kept away from to the guide bar.
When the device is used, the level height of the liquid level in the metering box needs to be manually and always observed when liquid is added, and when one group of liquid is metered, if the next group of liquid with the same dosage needs to be metered, the operation is also required to be repeated, so that multiple groups of liquid with the same dosage cannot be rapidly metered, and the working efficiency of workers is affected.
Disclosure of Invention
Therefore, the utility model aims to provide a liquid material metering and detecting device applied to chemical production, so as to solve the problem that the existing chemical metering and detecting device cannot rapidly meter a plurality of groups of liquid with the same dosage.
Based on the above object, the utility model provides a liquid material metering and detecting device applied to chemical production, which comprises a box body, wherein one side of the box body is provided with an observation window for observing liquid level, one side of the observation window is provided with a graduated scale, the bottom of the box body is provided with a liquid outlet pipe, and the device further comprises:
the separation plate is fixedly connected with two sides of the inner cavity of the box body, the inner cavity of the box body is divided into a liquid inlet cavity and a measuring cavity by the separation plate, a communicating cavity is formed between the bottom of the separation plate and the bottom of the box body, and the liquid inlet cavity is communicated with the measuring cavity through the communicating cavity;
the top of the box body is provided with a liquid inlet pipe which is communicated with the liquid inlet cavity, and an electromagnetic valve is arranged in the liquid inlet pipe;
the floating plate is arranged at two sides of the measuring cavity in a sliding connection manner, two ends of the floating plate are respectively provided with a limiting rod in a sliding connection manner, and the limiting rods are fixedly connected with the inner wall of the measuring cavity;
the sliding rod penetrates through the top surface of the measuring cavity, and a driving device for driving the sliding rod to move up and down is arranged at the top of the box body;
the quantitative plate is fixedly connected with the bottom of the sliding rod, a bottom groove is formed in the bottom of the quantitative plate, the thickness of the bottom groove is the same as that of the floating plate, and a pressure sensor is arranged at the top of the bottom groove.
In some optional embodiments, the driving device comprises a threaded screw rod, the top of the box body is rotatably connected with the threaded screw rod, a side plate is screwed on the threaded screw rod, one side of the side plate is fixedly connected with one side of the sliding rod, and a driving component for driving the threaded screw rod to rotate is arranged on the box body.
In some optional embodiments, the driving assembly comprises a driving gear, the driving gear is fixedly sleeved on the threaded screw rod, a first differential gear is rotatably connected to the top of the box body, the first differential gear is meshed with the driving gear, the gear ratio of the first differential gear is smaller than that of the driving gear, a second differential gear is rotatably connected to the top of the box body, the gear ratio of the second differential gear is meshed with the driving gear, the gear ratio of the second differential gear is larger than that of the driving gear, a driving rod for driving the second differential gear to rotate is fixedly connected to the position of the top axle center of the second differential gear, and a transmission assembly for driving the first differential gear to rotate is arranged at the top of the first differential gear.
In some optional embodiments, the transmission assembly comprises a telescopic shaft rod, the top of the box body is rotatably connected and provided with the telescopic shaft rod, the top fixedly connected with a piston rod of the telescopic shaft rod is provided with a driving wheel, a first fixed tooth is fixedly sleeved on the telescopic shaft rod, a transmission rod is fixedly connected and provided with a top axle center of the first differential gear, a second fixed tooth meshed with the first fixed tooth is fixedly sleeved on the transmission rod, and a magnet is fixedly connected and provided at the top of the transmission rod.
In some alternative embodiments, the top and bottom of the stop bar are each provided with a stop bar.
In some optional embodiments, the connecting rod is fixedly connected to the sliding rod, a positioning rod is fixedly connected to the bottom of the connecting rod, and the bottom of the positioning rod is flush with the bottom of the quantitative plate.
From the above, the liquid material metering and detecting device applied to chemical production has the beneficial effects that:
1. the liquid material enters a liquid inlet cavity in the box body through a liquid inlet pipe, the liquid level in the liquid inlet cavity is continuously raised, the liquid level in the liquid inlet cavity is always the same as the liquid level in a measuring cavity by utilizing the principle of a communicating vessel, the raising of the liquid level in the measuring cavity can drive a floating plate to move upwards along a limit rod, when the floating plate contacts with the top of a bottom groove, a pressure sensor is triggered to work, the pressure sensor transmits a signal to an external controller, and the controller transmits the signal to control an electromagnetic valve in the liquid inlet pipe to be closed so as to prevent the liquid material from entering the box body; and then the liquid outlet pipe is opened to discharge liquid in the box body, and then the liquid outlet pipe is closed, and the liquid inlet operation is repeated, so that a plurality of groups of chemical production liquid materials with the same content to be detected can be rapidly and accurately metered out for a plurality of times.
2. And because the liquid material is the drip at the feed liquor chamber, the produced bubble of feed liquor chamber liquid level can not get into the measurement intracavity under the separation of baffle, the baffle forms the intercommunication chamber in the bottom of box, when the feed liquor chamber has certain altitude liquid, liquid can get into to measure the intracavity and drive the floating plate and rise, liquid material drops into from the feed liquor chamber, liquid material drip can produce undulant at the liquid level on the feed liquor chamber in the feed liquor chamber, the undulant that liquid received in feed liquor chamber bottom is less, the intercommunication chamber inflow of rethread box bottom measures the intracavity and can play the undulant effect of chamber liquid level of reduction measurement, thereby guarantee to measure the stability of chamber liquid level, and then improved the device's measurement accuracy.
Drawings
For a clearer description of one or more embodiments of the present description or of the solutions of the prior art, the drawings that are necessary for the description of the embodiments or of the prior art will be briefly described, it being apparent that the drawings in the description below are only one or more embodiments of the present description, from which other drawings can be obtained, without inventive effort, for a person skilled in the art.
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;
FIG. 3 is a schematic view of the internal structure of the present utility model;
FIG. 4 is an enlarged schematic view of the structure of FIG. 3B according to the present utility model;
FIG. 5 is a schematic view of the internal cross-sectional structure of the case of the present utility model;
FIG. 6 is a schematic view of the internal part of the case of the present utility model in a partially cut-away configuration;
FIG. 7 is a schematic view of the bottom structure of the quantifying plate according to the present utility model;
fig. 8 is a schematic view of the structure of the connecting rod according to the present utility model.
Marked in the figure as:
1. a case; 101. a partition plate; 102. an observation window; 2. a liquid inlet pipe; 201. an electromagnetic valve; 3. a floating plate; 301. a limit rod; 4. a slide bar; 5. a metering plate; 501. a bottom groove; 502. a pressure sensor; 6. a connecting rod; 7. a positioning rod; 8. a side plate; 9. a threaded screw rod; 10. a drive gear; 11. a first differential gear; 12. a second differential gear; 1201. a driving rod; 13. a telescopic shaft lever; 1301. a first fixed tooth; 1302. a transmission rod; 1303. a second fixed tooth; 1304. a magnet; 1305. and (3) driving wheels.
Detailed Description
The present utility model will be further described in detail below with reference to specific embodiments and with reference to the accompanying drawings, in order to make the objects, technical solutions and advantages of the present utility model more apparent.
It should be noted that unless otherwise defined, technical or scientific terms used in the embodiments of the present utility model should be given the ordinary meaning as understood by one of ordinary skill in the art to which the present disclosure pertains. The terms "first," "second," and the like, as used in this disclosure, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.
Referring to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7, fig. 8, as an embodiment of the present utility model, a liquid material metering and detecting device applied to chemical production includes a box 1, an observation window 102 for observing a liquid level is provided on one side of the box 1, a scale is provided on one side of the observation window 102, a liquid outlet pipe is provided at the bottom of the box 1, and the device further includes:
the baffle plate 101 is fixedly connected to two sides of the inner cavity of the box body 1, the inner cavity of the box body 1 is divided into a liquid inlet cavity and a measuring cavity by the baffle plate 101, a communicating cavity is formed between the bottom of the baffle plate 101 and the bottom of the box body 1, and the liquid inlet cavity is communicated with the measuring cavity through the communicating cavity;
the top of the box body 1 is provided with a liquid inlet pipe 2, the liquid inlet pipe 2 is communicated with a liquid inlet cavity, and an electromagnetic valve 201 is arranged in the liquid inlet pipe 2;
the floating plate 3 is arranged at two sides of the measuring cavity in a sliding connection manner, two ends of the floating plate 3 are respectively provided with a limiting rod 301 used for limiting the moving direction of the floating plate 3 in a sliding connection manner, and the limiting rods 301 are fixedly connected with the inner wall of the measuring cavity;
the sliding rod 4 penetrates through the top surface of the measuring cavity, and a driving device for driving the sliding rod 4 to move up and down is arranged at the top of the box body 1;
the quantitative plate 5 is fixedly connected to the bottom of the sliding rod 4, a bottom groove 501 is formed in the bottom of the quantitative plate 5, the thickness of the bottom groove 501 is the same as that of the floating plate 3, and a pressure sensor 502 is arranged at the top of the bottom groove 501;
in the embodiment, before use, the detection dosage of the required liquid material is determined, the driving device drives the sliding rod 4 to move, and the position of the quantitative plate 5 is adjusted according to the graduated scale at one side of the observation window 102;
then liquid feeding operation is performed, liquid materials enter a liquid inlet cavity in the box body 1 through the liquid inlet pipe 2, the liquid level in the liquid inlet cavity is continuously raised, the liquid level in the liquid inlet cavity is always the same as the liquid level in a measuring cavity by utilizing the principle of a communicating vessel, the raising of the liquid level in the measuring cavity can drive a floating plate 3 to move upwards along a limit rod 301, when the floating plate 3 contacts with the top of a bottom groove 501, a pressure sensor 502 is triggered to work, the pressure sensor 502 transmits signals to an external controller, the controller transmits signals to control an electromagnetic valve 201 in the liquid inlet pipe 2 to be closed, and the liquid materials are prevented from entering the box body 1, so that sampling work is completed;
then the liquid outlet pipe is opened to discharge the liquid in the box body 1, then the liquid outlet pipe is closed, and the liquid inlet operation is repeated, so that a plurality of groups of chemical production liquid materials with the same content to be detected can be rapidly and accurately measured out many times;
and because the liquid material is the drip at the feed liquor chamber, the bubble that produces on the feed liquor chamber liquid level can not enter into the measurement intracavity under the separation of baffle 101, baffle 101 forms the intercommunication chamber in the bottom of box 1, when the feed liquor chamber has certain altitude liquid, liquid can enter into the measurement intracavity and drive floating plate 3 and rise, the liquid material drops into from the feed liquor chamber, liquid material drip can produce undulant at the liquid level on the feed liquor chamber in the feed liquor chamber, the undulant that liquid received in feed liquor chamber bottom is less, the liquid rethread box 1 bottom intercommunication chamber flows into the measurement intracavity can play the undulant effect of reduction measurement chamber liquid level, thereby guarantee the stability of measurement chamber liquid level, and then improved the device's measurement accuracy.
Optionally, the driving device comprises a threaded screw rod 9, the top of the box body 1 is rotationally connected with the threaded screw rod 9, a side plate 8 is screwed on the threaded screw rod 9, one side of the side plate 8 is fixedly connected with one side of the slide rod 4, and a driving component for driving the threaded screw rod 9 to rotate is arranged on the box body 1;
the driving assembly drives the threaded screw rod 9 to rotate forwards or reversely, and the rotating threaded screw rod 9 can drive the sliding rod 4 to move upwards or downwards through the side plate 8.
Optionally, the driving assembly comprises a driving gear 10, the driving gear 10 is fixedly sleeved on the threaded screw rod 9, a first differential gear 11 is rotatably connected to the top of the box body 1, the first differential gear 11 is meshed with the driving gear 10, the gear ratio of the first differential gear 11 is smaller than that of the driving gear 10, a second differential gear 12 is rotatably connected to the top of the box body 1, the second differential gear 12 is meshed with the driving gear 10, the gear ratio of the second differential gear 12 is larger than that of the driving gear 10, a driving rod 1201 for driving the second differential gear 12 to rotate is fixedly connected to the top axle center of the second differential gear 12, and a transmission assembly for driving the first differential gear 11 to rotate is arranged at the top of the first differential gear 11;
because the gear ratio of the second differential gear 12 is greater than the driving gear 10, the angular speed of the driving gear 10 will be greater than the angular speed of the second differential gear 12, therefore, the movement of the quantitative plate 5 can be roughly regulated by driving the second differential gear 12 to rotate through the driving rod 1201, and because the gear ratio of the first differential gear 11 is smaller than the driving gear 10, the angular speed of the driving gear 10 will be smaller than the angular speed of the first differential gear 11, therefore, the quantitative plate 5 can be finely regulated by driving the first differential gear 11 to rotate through the transmission component, and when in use, the first differential gear 11 is driven to drive the driving gear 10 to rotate so as to drive the quantitative plate 5 to move to the vicinity of the target scale, and then the first differential gear 11 is driven to drive the driving gear 10 to rotate so as to drive the quantitative plate 5 to finely regulate and move to the target scale, so that the movement rapidity and the accuracy of the quantitative plate 5 are improved.
Optionally, the transmission assembly includes a telescopic shaft 13, the top of the box 1 is rotatably connected with the telescopic shaft 13, a driving wheel 1305 is fixedly connected with the top of a piston rod of the telescopic shaft 13, a first fixed tooth 1301 is fixedly sleeved on the telescopic shaft 13, a transmission rod 1302 is fixedly connected with the top axle center of the first differential gear 11, a second fixed tooth 1303 meshed with the first fixed tooth 1301 is fixedly sleeved on the transmission rod 1302, and a magnet 1304 is fixedly connected with the top of the transmission rod 1302;
when in use, a worker holds the driving wheel 1305 to drive the telescopic shaft lever 13 to rotate, the telescopic shaft lever 13 drives the first fixed teeth 1301 to rotate, the first fixed teeth 1301 drive the transmission rod 1302 to rotate through the second fixed teeth 1303, and the transmission rod 1302 drives the first differential gear 11 to rotate;
when the metering plate 5 moves to the target scale, a worker presses the driving wheel 1305, so that the bottom of the driving wheel 1305 is adsorbed on the magnet 1304 at the top of the driving rod 1302, the driving wheel 1305 can be limited and fixed, and the situation that the metering plate 5 is cheap due to tiny rotation of the driving wheel 1305 under the influence of external interference factors is avoided, so that the metering accuracy of the device is further improved.
Optionally, the top and bottom of the limit rod 301 are provided with barrier strips; the barrier strip can prevent the floating plate 3 from slipping off the limit rod 301.
Optionally, a connecting rod 6 is fixedly connected to the sliding rod 4, a positioning rod 7 is fixedly connected to the bottom of the connecting rod 6, and the bottom of the positioning rod 7 is flush with the bottom of the quantifying plate 5;
because locating lever 7 and the bottom parallel and level of quantitative board 5, therefore the direct-viewing determination of the position height of quantitative board 5 of inspector accessible locating lever 7 has improved the convenience that the device used.
Those of ordinary skill in the art will appreciate that: the discussion of any of the embodiments above is merely exemplary and is not intended to suggest that the scope of the disclosure, including the claims, is limited to these examples; the technical features of the above embodiments or in the different embodiments may also be combined within the idea of the utility model, the steps may be implemented in any order and there are many other variations of the different aspects of the utility model as described above, which are not provided in detail for the sake of brevity.
The embodiments of the utility model are intended to embrace all such alternatives, modifications and variances which fall within the broad scope of the appended claims. Therefore, any omission, modification, equivalent replacement, improvement, etc. of the present utility model should be included in the scope of the present utility model.

Claims (6)

1. Be applied to chemical production's liquid material measurement detection device, including box (1), one side of box (1) is provided with observation window (102) that are used for observing the liquid level, and one side of observation window (102) is provided with the scale, the bottom of box (1) is provided with drain pipe, its characterized in that still includes:
the separation plate (101) is fixedly connected to two sides of the inner cavity of the box body (1), the separation plate (101) divides the inner cavity of the box body (1) into a liquid inlet cavity and a measuring cavity, a communicating cavity is formed between the bottom of the separation plate (101) and the bottom of the box body (1), and the liquid inlet cavity is communicated with the measuring cavity through the communicating cavity;
the top of the box body (1) is provided with a liquid inlet pipe (2), the liquid inlet pipe (2) is communicated with the liquid inlet cavity, and an electromagnetic valve (201) is arranged in the liquid inlet pipe (2);
the floating plate (3) is arranged at two sides of the measuring cavity in a sliding connection mode, two ends of the floating plate (3) are provided with limiting rods (301) used for limiting the moving direction of the floating plate (3) in a sliding connection mode, and the limiting rods (301) are fixedly connected with the inner wall of the measuring cavity;
the sliding rod (4) penetrates through the top surface of the measuring cavity, and a driving device for driving the sliding rod (4) to move up and down is arranged at the top of the box body (1);
the quantitative plate (5) is fixedly connected with the bottom of the sliding rod (4), a bottom groove (501) is formed in the bottom of the quantitative plate (5), the groove thickness of the bottom groove (501) is the same as the plate thickness of the floating plate (3), and a pressure sensor (502) is arranged at the top of the bottom groove (501).
2. The liquid material metering and detecting device applied to chemical production according to claim 1, wherein the driving device comprises a threaded screw rod (9), the threaded screw rod (9) is rotatably connected to the top of the box body (1), a side plate (8) is screwed onto the threaded screw rod (9), one side of the side plate (8) is fixedly connected with one side of the sliding rod (4), and a driving assembly for driving the threaded screw rod (9) to rotate is arranged on the box body (1).
3. The liquid material metering detection device applied to chemical production according to claim 2, wherein the driving assembly comprises a driving gear (10), the driving gear (10) is fixedly sleeved on the threaded screw rod (9), a first differential gear (11) is rotatably connected to the top of the box body (1), the first differential gear (11) is meshed with the driving gear (10) and the gear ratio of the first differential gear (11) is smaller than that of the driving gear (10), a second differential gear (12) is rotatably connected to the top of the box body (1), the second differential gear (12) is meshed with the driving gear (10) and the gear ratio of the second differential gear (12) is larger than that of the driving gear (10), a driving rod (1201) for driving the second differential gear (12) to rotate is fixedly connected to the top axis of the second differential gear (12), and a transmission assembly for driving the first differential gear (11) to rotate is arranged on the top of the first differential gear (11).
4. The liquid material metering and detecting device applied to chemical production according to claim 3, wherein the transmission assembly comprises a telescopic shaft rod (13), the top of the box body (1) is rotatably connected with the telescopic shaft rod (13), a driving wheel (1305) is fixedly connected to the top of a piston rod of the telescopic shaft rod (13), a first fixing tooth (1301) is fixedly sleeved on the telescopic shaft rod (13), a transmission rod (1302) is fixedly connected to the top axle center of the first differential gear (11), a second fixing tooth (1303) meshed with the first fixing tooth (1301) is fixedly sleeved on the transmission rod (1302), and a magnet (1304) is fixedly connected to the top of the transmission rod (1302).
5. The liquid material metering and detecting device applied to chemical production according to claim 1, wherein the top and the bottom of the limiting rod (301) are both provided with barrier strips.
6. The liquid material metering and detecting device applied to chemical production according to claim 1, wherein a connecting rod (6) is fixedly connected to the sliding rod (4), a positioning rod (7) is fixedly connected to the bottom of the connecting rod (6), and the bottom of the positioning rod (7) is flush with the bottom of the quantifying plate (5).
CN202420087926.8U 2024-01-15 2024-01-15 Be applied to chemical production's liquid material measurement detection device Active CN220556347U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202420087926.8U CN220556347U (en) 2024-01-15 2024-01-15 Be applied to chemical production's liquid material measurement detection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202420087926.8U CN220556347U (en) 2024-01-15 2024-01-15 Be applied to chemical production's liquid material measurement detection device

Publications (1)

Publication Number Publication Date
CN220556347U true CN220556347U (en) 2024-03-05

Family

ID=90051611

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202420087926.8U Active CN220556347U (en) 2024-01-15 2024-01-15 Be applied to chemical production's liquid material measurement detection device

Country Status (1)

Country Link
CN (1) CN220556347U (en)

Similar Documents

Publication Publication Date Title
CN102680057B (en) Piston type gas-liquid dual-purpose micro-flow standard device
US20070134107A1 (en) Feeding pump device of volume tube continually metering type
CN106289454B (en) Liquid level meter measuring ruler and liquid level meter calibration method applying same
CN102288519B (en) For estimating the method for viscosity
CN107758463B (en) Device and method for monitoring spacing of rigid cage guides of vertical shaft in real time
CN103541725A (en) Method for obtaining holding rate of horizontal well through interfacial level
CN220556347U (en) Be applied to chemical production's liquid material measurement detection device
CN100416623C (en) Self-circulation electrical momentum law experimental instrument
CN204855299U (en) Density detector
CN112556631B (en) Detection apparatus for earth's surface deformation and crack
CN100573101C (en) Measurer for fluidity of newly mixed concrete
CN201007666Y (en) Mine slurry continuously autoweighing device
CN105783652A (en) Measurement device for thickness of separating plate in hole
CN202329479U (en) Width measuring mechanism
CN211602074U (en) Metering tank
CN105784025B (en) Electronic water meter with improved structure
CN208420068U (en) A kind of high-precision hydraulic oil stream amount detector
CN201672954U (en) Electromechanical type high-precision liquid level measuring device
CN108007447A (en) A kind of intelligent engineering Construction Quality verticality detector
CN210665770U (en) Multifunctional automatic liquid detector
CN2697602Y (en) Micro-quantity metering device for high water containing and low oil production
CN2650059Y (en) Pile hole-disk diameter detecting instrument
CN106840004A (en) A kind of device for the difference detection of escalator horizontal section rise
CN203053360U (en) Steering engine mechanical zero adjusting device
CN105928869B (en) Drum type brake static friction and coefficient of sliding friction test platform

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant