CN208026251U - Simple spirit level - Google Patents
Simple spirit level Download PDFInfo
- Publication number
- CN208026251U CN208026251U CN201820438531.2U CN201820438531U CN208026251U CN 208026251 U CN208026251 U CN 208026251U CN 201820438531 U CN201820438531 U CN 201820438531U CN 208026251 U CN208026251 U CN 208026251U
- Authority
- CN
- China
- Prior art keywords
- mobile terminal
- observation
- transparent
- standpipe
- transparent standpipe
- 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.)
- Expired - Fee Related
Links
- 239000007788 liquid Substances 0.000 claims abstract description 45
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 41
- 239000003550 marker Substances 0.000 claims abstract description 22
- 230000001105 regulatory effect Effects 0.000 claims abstract description 14
- 238000005259 measurement Methods 0.000 claims description 19
- 238000000034 method Methods 0.000 claims description 19
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 4
- 239000012780 transparent material Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 2
- 238000010276 construction Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000009738 saturating Methods 0.000 description 2
- 238000005034 decoration Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 239000008233 hard water Substances 0.000 description 1
- 230000002895 hyperchromatic effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Landscapes
- Level Indicators Using A Float (AREA)
Abstract
Simple spirit level, including observation end, connection flexible pipe and mobile terminal three parts, the observation end includes water tank and the observation transparent standpipe in end, water tank upper is equipped with tank seal lid, inflator and Cistern valve, the bottom for observing the transparent standpipe in end is equipped with observation end flow rate regulating valve and observation end valve door, the middle part for observing the transparent standpipe in end is equipped with observation end liquid level marker loop, and the top of the observation transparent standpipe in end is equipped with observation end height difference graduated scale, and lower box part is connected to the observation transparent standpipe in end；Mobile terminal includes the transparent standpipe in mobile terminal, the bottom of the transparent standpipe in mobile terminal is equipped with mobile terminal valve and mobile terminal flow rate regulating valve, the middle part of the transparent standpipe in mobile terminal is equipped with mobile terminal card mark, mobile terminal liquid level marker loop, and the top of the transparent standpipe in mobile terminal is equipped with mobile terminal height difference graduated scale；The transparent standpipe in the observation end is connected by connection flexible pipe with the transparent standpipe in mobile terminal.The utility model has the characteristics that precision is high, easy to use, at low cost, is worthy to be popularized.
Description
Technical field
The utility model is related to a kind of Simple spirit levels.
Background technology
In engineering construction field, it is often necessary to measure the difference in height between 2 points.Engineering construction at present industry is more commonly used
High difference method is summarized as follows between measuring at 2 points：
A) hose looks for Horizontal Bridgman Method
Construction worker using one dress water transparent hose, hose one end uprightly with a certain place to be measured, by the another of hose
End is dragged to other positions, then the liquid level position of two hose of label, and here it is described " water detection are flat ".After finding level, according to
It is highly desirable to be raised again by the method for scribing line or reduction flag line, so that it is determined that relative elevation.
Hose, which looks for Horizontal Bridgman Method, to be worked using law of connected vessels, it is desirable that inside hose is not allow for bubble；If hose memory
In bubble, then deviation will occur in measurement result, and maximum measured deviation is equal to the vertical height of bubble.However, the use of worker is practised
It is used it is always current now pour water, bubble is easily retained since the internal diameter of hose is typically small, when pouring water in hose in pipe, makes survey
Measuring result, there are errors compared with actual value.
The method that hose looks for Horizontal Bridgman Method to determine absolute altitude has the characteristics that measuring instrument is simple, cheap and convenient, but its defect
It is that precision is not high, can not directly determines absolute altitude.Therefore, the method is only limitted to precision and size Simple engineering of less demanding is applied
Work.
B) laser leveler method
Laser leveler is a kind of measuring instrument occurred in recent years, is widely used in building and decoration industry.Laser level
Instrument be using laser optically focused and plumb line principle work, measurement accuracy be decided by laser tube and plumb line angle and with quilt
The horizontal distance of measurement object.The angle of laser tube and plumb line must be 90 °, error bigger with measurement object horizontal distance
Bigger, when horizontal distance is more than 20m, the width of laser scanning line has reached 5mm~10mm, is influenced very on measurement result
Greatly；The angle of laser tube and plumb line will appear small variation with factors such as extension, the environment temperatures of service life, this
Influence of the minor change to measurement result is very big.
Laser leveler method is also a kind of simple and low precision method.The architectural engineering high to required precision can not make
With.
C) spirit level method
Spirit level is a kind of instrument measuring ground point-to-point transmission height difference by horizontal line of sight.Critical piece has telescope, pipe
Spirit level, vertical axis, pedestal, foot screw.
Spirit level is a kind of measuring instrument of precision, is widely used in the industries such as mapping, construction, it is a kind of high-precision
Measuring instrument needs professional technician and operates and use.
Although there is spirit level higher measurement accuracy, larger measurement distance, its measuring condition to be influenced by weather, and
And can not across obstacle, must be direct line of sight between reference position and measured position.
At present in generally acknowledged vertical survey instrument, if requiring in high precision, on a large scale, must just use high-precision level
Instrument.In measurement occasion of less demanding, ordinary level, laser leveler or hose linker, precision 10mm may be used
~30mm.
Utility model content
Technical problem to be solved by the utility model is to provide one kind being based on law of connected vessels, has degree of precision（No
More than 1mm）, easy to use, cheap Simple spirit level.
The utility model solves technical solution used by its technical problem：A kind of Simple spirit level, including observe end, connect
Hose and mobile terminal three parts are connect, the observation end includes water tank and the observation transparent standpipe in end, and the water tank upper is equipped with water
The bottom of case sealing cover, inflator and Cistern valve, the observation transparent standpipe in end is equipped with observation end flow rate regulating valve and observation
The middle part of end valve door, the observation transparent standpipe in end is equipped with observation end liquid level marker loop, the top of the observation transparent standpipe in end
Equipped with observation end height difference graduated scale, the water tank lower part is connected to the observation transparent standpipe in end；The mobile terminal includes that mobile terminal is saturating
The bottom of bright standpipe, the transparent standpipe in mobile terminal is equipped with mobile terminal valve and mobile terminal flow rate regulating valve, and the mobile terminal is saturating
The middle part of bright standpipe is equipped with mobile terminal card mark, mobile terminal liquid level marker loop, and the top of the transparent standpipe in mobile terminal is equipped with movement
Hold height difference graduated scale；The transparent standpipe in the observation end is connected by connection flexible pipe with the transparent standpipe in mobile terminal.
Further, the water tank is cubic water tank, is made by transparent material, and top is equipped with an opening, inflates for installing
Cylinder.
Further, the bottom of the observation transparent standpipe in end is equipped with observation end pedestal.
Further, the bottom of the transparent standpipe in the mobile terminal is equipped with mobile terminal pedestal.
Further, the observation end and mobile terminal one entirety of each self-forming, are connected by connection flexible pipe, observation end and shifting
Moved end can independently move in measurement process.
Further, among the scale of the mobile terminal height difference graduated scale it is " 0 " scale, more than " 0 " scale presses actual range
It is equably designated as "+" graduation mark, minimum ruling span is 1mm, and "-" distance is equably designated as by actual range below " 0 " scale,
Minimum ruling span is 1mm.
Further, size, shape and the complete phase of material of observation the end liquid level marker loop and mobile terminal liquid level marker loop
Together, they can float on the water surface, and length is 1cm~3cm, cylinder, body diameter be slightly less than the observation transparent standpipe in end and
The internal diameter of the transparent standpipe in mobile terminal, can be freely up and down movable in transparent standpipe.It is that auxiliary reads observation end height difference that it, which is acted on,
The liquid level position of graduated scale and mobile terminal height difference graduated scale, using the bottom surface of liquid level marker loop as reading point, to avoid or reduce
Error in reading（Because the water surface in standpipe is in concave surface, it is not easy to determine the position of concave bottom）.
The utility model solves the problems, such as daily life and plane levelness in engineering construction using law of connected vessels, measurement
Technically simpleization.Using the utility model, it can quickly measure and be unable to intervisibility point-to-point transmission height difference.
The utility model has the characteristics that precision is high, easy to use, at low cost, is worthy to be popularized.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model embodiment；
Fig. 2 is the enlarged diagram of the observation end height difference graduated scale of embodiment illustrated in fig. 1
Fig. 3 is the enlarged diagram of the mobile terminal height difference graduated scale of embodiment illustrated in fig. 1；
Fig. 4 is the measuring principle figure of embodiment illustrated in fig. 1；
In figure：1- water tanks, 2- tank seal lids, 3- inflators, 4- observe end flow rate regulating valve, and 5- observes end liquid level mark
Ring, 6- observe the transparent standpipe in end, and 7- observes end valve door, and 8- observes end pedestal, 9- connection flexible pipes, the mobile terminals 10- valve, 11- shiftings
Moved end flow rate regulating valve, the transparent standpipe in the mobile terminals 12-, the mobile terminals 13- card mark, the mobile terminals 14- liquid level marker loop, the mobile terminals 15-
Pedestal, 16- observe end height difference graduated scale, the mobile terminals 17- height difference graduated scale, 18- Cistern valves.
Specific implementation mode
The utility model is described in further detail with reference to the accompanying drawings and embodiments.
With reference to attached drawing, a kind of Simple spirit level, including observation end, connection flexible pipe and mobile terminal three parts；The observation
End includes water tank 1 and the observation transparent standpipe 6 in end, and 1 top of the water tank is equipped with tank seal lid 2, inflator 3 and Cistern valve
18, the bottom of the transparent standpipe in the observation end 6 is equipped with observation end flow rate regulating valve 4 and observation end valve door 7, and the observation end is transparent
The middle part of standpipe 6 is equipped with observation end liquid level marker loop 5, and the top of the transparent standpipe in the observation end 6 is equipped with observation end height difference scale
Ruler 16,1 lower part of the water tank are connected to the transparent standpipe in observation end 6；The mobile terminal includes the transparent standpipe 12 in mobile terminal, the shifting
The bottom of the transparent standpipe in moved end 12 is equipped with mobile terminal valve 10 and mobile terminal flow rate regulating valve 11, the transparent standpipe in the mobile terminal 12
Middle part be equipped with mobile terminal card mark 13, mobile terminal liquid level marker loop 14, the top of the transparent standpipe in the mobile terminal 12 is equipped with movement
Hold height difference graduated scale 17；The transparent standpipe 6 in observation end is connected by the transparent standpipe in connection flexible pipe 9 and mobile terminal 12.
In the present embodiment, the water tank 1 is cubic water tank, is made by transparent material, and top is equipped with an opening, for installing
Inflator 3.
In the present embodiment, the bottom of the transparent standpipe in the observation end 6 is equipped with observation end pedestal 8.
In the present embodiment, the bottom of the transparent standpipe in the mobile terminal 12 is equipped with mobile terminal pedestal 15.
In the present embodiment, the observation end and mobile terminal one entirety of each self-forming are connected by connection flexible pipe, observe end
It can independently be moved in measurement process with mobile terminal.
It is " 0 " scale in the present embodiment, among the scale of the mobile terminal height difference graduated scale 17, more than " 0 " scale presses real
Border distance is equably designated as "+" graduation mark, and minimum ruling span is 1mm, is equably designated as by actual range below " 0 " scale
"-" distance, minimum ruling span are 1mm.
In the present embodiment, size, shape and the material of observation the end liquid level marker loop 5 and mobile terminal liquid level marker loop 14
Identical, they can float on the water surface, and length is 1cm~3cm, cylinder, and it is transparent that body diameter is slightly less than observation end
The internal diameter of the transparent standpipe of standpipe 6 and mobile terminal 12, can be freely up and down movable in transparent standpipe, and effect is that auxiliary reads and sees
The liquid level position for surveying end height difference graduated scale 16 and mobile terminal height difference graduated scale 17, using the bottom surface of liquid level marker loop as reading point, from
And avoid or reduce error in reading（Because the water surface in standpipe is in concave surface, it is not easy to determine the position of concave bottom）.
Using the present embodiment, directly and it can facilitate and read the positive and negative high difference of point-to-point transmission, specific implementation method is：
A) installation and preparation
Each component is attached installation according to the structural schematic diagram of the utility model.After checking air-tightness, observation end is opened
Flow rate regulating valve 4, observation end valve door 7 and mobile terminal flow rate regulating valve 11, mobile terminal valve 10；Open tank seal lid 2, Xiang Shui
Injection makes the initial position of liquid level less than observation end height difference graduated scale 16 and mobile terminal height difference through hyperchromatic pure water in case 1
Graduated scale 17 " 00 " graduation mark closes tank seal lid 2.
B) it adjusts
1) standpipe flow velocity balanced adjustment constantly blasts air with inflator 3 into water tank 1, make 1 internal liquid level of water tank with
On plenum interior pressure increase, the decline of 1 internal liquid level of water tank can be observed, the transparent standpipe 6 in observation end and mobile terminal are transparent vertical
12 internal liquid level of pipe rises.When opening 1 upper water box valve 18 of water tank, the flow direction of liquid level is on the contrary, until observation end is transparent vertical
Until pipe 6 is equal with transparent 12 internal liquid level of standpipe in mobile terminal.
Aerating and deflation repeatedly, the variation speed of the transparent standpipe 6 in observation observation end and transparent 12 internal liquid level of standpipe in mobile terminal
Degree adjusts observation end flow rate regulating valve 4 and mobile terminal flow rate regulating valve 11, until the pace of change of two riser interiors liquid levels is basic
Until consistent（Open observation end valve door and mobile terminal valve）.
Standpipe flow velocity balanced adjustment is to measure the operating time to reduce the level balance time to save.If not into
Row adjustment, do not influence measurement accuracy, only balance the stand-by period can slightly grow.
2) observation end and mobile terminal are placed on the same horizontal plane by vertical survey adjustment, with inflator 3 and radiator valve
Air is lightly added into water tank 1 or releases air for door 18, makes to swim in the transparent 12 inside mobile terminal liquid level of standpipe in mobile terminal
The bottom surface of marker loop 14 is aligned with " 0 " line on mobile terminal height difference graduated scale 17；Keep liquid level position motionless, adjusting set is in mobile terminal
The position of mobile terminal card mark 13 on transparent standpipe 12 makes the mobile terminal card mark 13 on the transparent standpipe in mobile terminal 12 and mobile terminal liquid
Bit flag ring 14 maintains an equal level or overlaps.
C) it uses
Vertical survey
Method 1：The position that the observation end of Simple spirit level after being adjusted is moved to reference measurement, by inflator plus
Gas or deflation, liquid level position inside the transparent standpipe in adjustment observation end 6 to reference point location；Mobile terminal is put to position to be measured,
Read observation 5 bottom position scale of end liquid level marker loop and 14 bottom position scale of mobile terminal liquid level marker loop, the two scales
It is then to adjust mobile terminal card mark 13 to tested point in same elevation, the reading of mobile terminal card mark 13 and mobile terminal liquid level marker loop 14
The difference of reading is exactly basis points and tested point height difference h.
Method 2：The position that the observation end of Simple spirit level after being adjusted is moved to reference measurement, by inflator plus
Gas or deflation, the liquid level position of 6 inside of the transparent standpipe in adjustment observation end, will basis points with observe on end height difference graduated scale 16
Scale overlaps for " 0 " position；Mobile terminal is put to position to be observed, mobile terminal pedestal 15 is adjusted, makes the transparent standpipe in mobile terminal 12
Middle liquid level position to observation 17 high scale of end height difference graduated scale is " 0 " position, then adjusts mobile terminal card mark 13 to tested point, movement
Card mark 13 reading in end is basis points and tested point height difference h.
Measurement accuracy is determined by the graduating accuracy of graduated scale, can be as accurate as 0.5mm~1mm.
The scientific basis of vertical survey：According to law of connected vessels, no matter gas chamber pressure is much, the transparent standpipe in end is observed
6 and transparent 12 internal liquid level of standpipe in mobile terminal always in the same plane.Due to making the liquid level of two pipes high at observation end when adjustment
On " 00 " groove of poor graduated scale 16 and mobile terminal height difference graduated scale 17, make two standpipes further through adjustment air chamber pressure when measurement
Liquid level returns to original position, therefore the height change h1 of the transparent standpipe in mobile terminal 12 is centainly equal in the transparent standpipe in observation end 6
The variation h2 of portion's liquid level, i.e. h1=h2.That is, the transparent standpipe in observation end 6 is elevated how many, in the transparent standpipe in mobile terminal 12
Portion's liquid level just raises how many, and vice versa.
Liquid level marker loop in observation end, the transparent standpipe in mobile terminal（Float）, clear using its bottom boundary and easy reading
Number.Because the size shape of two floats is consistent with material, the height difference of bottom to the corresponding liquid level of two floats is also identical
, and before measuring when adjustment also using identical position come label 0 highly, therefore the presence of float does not influence the measurement of height difference.
Product technology of the present invention is shown in Table 1 with the comparison of existing measuring technique quality.
The good and bad table of comparisons of table 1 present invention and existing procucts
It can be found that Simple spirit level is compared with other measuring techniques from good and bad contrast table, there is precision height, user
Just, feature at low cost, is worthy to be popularized.
The water in water tank and pipeline need not be replaced simultaneously, as long as being added at one time suitable dyeing pure water, therefore
The possibility polluted by hard water is not present in pipeline and water tank, can keep lasting transparency.In addition, the water in hose is from water tank
With pressure-feed, there is no there are problems that bubble in hose for bottom.The drawbacks of so as to avoid hose.
Claims (7)
1. Simple spirit level, it is characterised in that：Including observation end, connection flexible pipe and mobile terminal three parts, the observation end packet
Water tank and the observation transparent standpipe in end are included, the water tank upper is equipped with tank seal lid, inflator and Cistern valve, the observation end
The bottom of transparent standpipe is equipped with observation end flow rate regulating valve and observation end valve door, and the middle part of the observation transparent standpipe in end, which is equipped with, to be seen
The top of survey end liquid level marker loop, the observation transparent standpipe in end is equipped with observation end height difference graduated scale, the water tank lower part and sight
Survey the transparent standpipe connection in end；The mobile terminal includes the transparent standpipe in mobile terminal, and the bottom of the transparent standpipe in mobile terminal, which is equipped with, to be moved
The middle part of moved end valve and mobile terminal flow rate regulating valve, the transparent standpipe in mobile terminal is equipped with mobile terminal card mark, mobile terminal liquid level
The top of marker loop, the transparent standpipe in mobile terminal is equipped with mobile terminal height difference graduated scale；The transparent standpipe in the observation end passes through company
Hose is connect with the transparent standpipe in mobile terminal to be connected.
2. Simple spirit level according to claim 1, it is characterised in that：The water tank is cubic water tank, by transparent material
It makes, top is equipped with an opening, for installing inflator.
3. Simple spirit level according to claim 1 or 2, it is characterised in that：The bottom of the observation transparent standpipe in end is set
There is observation end pedestal.
4. Simple spirit level according to claim 1 or 2, it is characterised in that：The bottom of the transparent standpipe in mobile terminal is set
There is mobile terminal pedestal.
5. Simple spirit level according to claim 1 or 2, it is characterised in that：The observation end and each self-forming in mobile terminal
One entirety, is connected by connection flexible pipe, and observation end can independently be moved with mobile terminal in measurement process.
6. Simple spirit level according to claim 1 or 2, it is characterised in that：The scale of the mobile terminal height difference graduated scale
Centre is " 0 " scale, and "+" graduation mark more than " 0 " scale is equably designated as by actual range, and minimum ruling span is 1mm, " 0 "
"-" distance is equably designated as below scale by actual range, minimum ruling span is 1mm.
7. Simple spirit level according to claim 1 or 2, it is characterised in that：Observation end liquid level marker loop and movement
Hold size, the shape of liquid level marker loop identical with material, they can float on the water surface, and length is 1cm~3cm, in circle
Cylindricality, body diameter be less than observation end transparent standpipe and the transparent standpipe in mobile terminal internal diameter, can in transparent standpipe up and down from
By activity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820438531.2U CN208026251U (en) | 2018-03-29 | 2018-03-29 | Simple spirit level |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820438531.2U CN208026251U (en) | 2018-03-29 | 2018-03-29 | Simple spirit level |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208026251U true CN208026251U (en) | 2018-10-30 |
Family
ID=63909779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820438531.2U Expired - Fee Related CN208026251U (en) | 2018-03-29 | 2018-03-29 | Simple spirit level |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208026251U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109467201A (en) * | 2018-10-31 | 2019-03-15 | 北京城建集团有限责任公司 | A kind of installation method of plate-type aerator |
| CN110220497A (en) * | 2019-07-12 | 2019-09-10 | 广东电网有限责任公司 | The horizontal difference measuring device of portable electric equipment |
| CN113323035A (en) * | 2021-05-31 | 2021-08-31 | 深圳华新国际建筑工程设计顾问有限公司 | Detection device and detection method for bearing capacity of foundation pile |
| CN114777732A (en) * | 2022-04-20 | 2022-07-22 | 中国三冶集团有限公司 | Mounting method of sintering cylinder type mixer |
-
2018
- 2018-03-29 CN CN201820438531.2U patent/CN208026251U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109467201A (en) * | 2018-10-31 | 2019-03-15 | 北京城建集团有限责任公司 | A kind of installation method of plate-type aerator |
| CN109467201B (en) * | 2018-10-31 | 2021-07-13 | 北京城建集团有限责任公司 | Mounting method of disc aerator |
| CN110220497A (en) * | 2019-07-12 | 2019-09-10 | 广东电网有限责任公司 | The horizontal difference measuring device of portable electric equipment |
| CN113323035A (en) * | 2021-05-31 | 2021-08-31 | 深圳华新国际建筑工程设计顾问有限公司 | Detection device and detection method for bearing capacity of foundation pile |
| CN114777732A (en) * | 2022-04-20 | 2022-07-22 | 中国三冶集团有限公司 | Mounting method of sintering cylinder type mixer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208026251U (en) | Simple spirit level | |
| CN203824621U (en) | Device for detecting and testing nested static force water level balanced type measuring weir water gauge | |
| CN201215484Y (en) | Height distance instrument for communicating tube equipped with ruler | |
| CN107677242A (en) | A kind of deviation of plumb line measurement apparatus and method | |
| CN205861044U (en) | Terrace statoscope | |
| CN205537605U (en) | Pottery formula hydraulic pressure hydrostatic level appearance | |
| CN207688871U (en) | A kind of hydrostatic level | |
| CN207487654U (en) | Stringcourse demarcates levelling tube ruler | |
| CN208140218U (en) | A kind of liquid level emasuring device for preventing storage tank superpressure from running | |
| CN207215085U (en) | A kind of integrated GNSS and hydrostatic leveling device deviation of plumb line measurement apparatus | |
| CN209706913U (en) | Adjustable groundwater level monitoring device | |
| CN104748903B (en) | Liquid-gas conversion pressure measurement device and pressure measurement device with synchronous electrical measurement and digital display for tests | |
| CN113049066B (en) | Calibrating device for liquid level meter | |
| CN107255473A (en) | A kind of measuring method for setting up dynamic benchmark plane | |
| CN207570533U (en) | Combined type multiple spot horizontal measuring instrument | |
| CN110243438A (en) | A kind of weir seepage intellectual monitoring integrating device and its measurement method | |
| CN210234489U (en) | Multifunctional set square | |
| CN204788373U (en) | Building chi convenient to measure | |
| CN108731638B (en) | Spiral static level gauge for measuring liquid level by image analysis technology | |
| US5101571A (en) | Hydrostatic plumber's level | |
| CN105627987A (en) | Terrace height difference instrument | |
| CN209102114U (en) | Hydraulic ring geological crack measuring device | |
| CN204516182U (en) | A kind of row's formula pressure tester with touring electrical measurement digital display | |
| CN206618417U (en) | A kind of levelling rod of automatic vertical precise positioning | |
| CN220960064U (en) | Simple sedimentation measuring tool |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181030 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |