CN107941317A - Weighing apparatus intelligent verification instrument - Google Patents
Weighing apparatus intelligent verification instrument Download PDFInfo
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- CN107941317A CN107941317A CN201711131994.0A CN201711131994A CN107941317A CN 107941317 A CN107941317 A CN 107941317A CN 201711131994 A CN201711131994 A CN 201711131994A CN 107941317 A CN107941317 A CN 107941317A
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- Prior art keywords
- weighing apparatus
- lever
- pressure sensor
- calibrating
- instrument
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G23/00—Auxiliary devices for weighing apparatus
- G01G23/01—Testing or calibrating of weighing apparatus
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- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The invention discloses a kind of weighing apparatus intelligent verification instrument, it is used to house the pit body of weighing apparatus and the calibrating unit arranged on basement top including in substrate, substrate having, calibrating unit includes the lever that the support column arranged on basement top, support top end are hinged vertically, lever close to one end of weighing apparatus force-transmitting pole affixed straight down, the horizontal fixed pressure sensor in other end bottom surface；When lever is horizontally disposed hydraulic cylinder is provided with immediately below its other end；Support column is more than its distance apart from force-transmitting pole with lever hinged place apart from the distance of pressure sensor.The present invention is from weighing apparatus applied force, solve traditional calibrating instrument to directly bear against on weighing apparatus and influence the accuracy problems of verification result, achieve the purpose that art is good for strength using multiplying lever, reduce the endurance of calibrating instrument pressure sensor, extend calibrating instrument service life, lever bottom surface is in latticed using nano material design at the same time, effectively improves the pressure of lever.
Description
Technical field
The present invention relates to weighing instrument verification equipment technical field.It is more particularly related to a kind of weighing apparatus is intelligently examined
Determine instrument.
Background technology
Weighing apparatus is widely used in the departments such as industry, agricultural, business, scientific research, health care.Weighing apparatus is to utilize Hooke's law or power
Lever balance theory measure mass of object.Large-scale weighing machine refers to weighing apparatus of the maximum capacity more than tens tons, electronic car
Weighing apparatus must be examined and determine before actually coming into operation, its class of accuracy be determined, in addition, large-scale weighing machine is in use for some time
Or after replacing device, also to examine and determine again, confirm its class of accuracy, to be adjusted accordingly to meet accuracy requirement,
Traditional large-scale weighing machine calibrating is to use substantial amounts of 20kg counterweights, progressively progressive using the method manually carried, and is examined to weighing apparatus
Maximum capacity.Electronic vehicle weighing apparatus is commonly called as weighbridge, it is one kind in large-scale weighing machine, as economic fast development and weighing apparatus manufacture
The progress of technology, the range of electronic vehicle weighing apparatus is increasing, and the electronic vehicle weighing apparatus of 50-200t largely uses, for range
Larger electronic vehicle weighing apparatus, there are a series of problem, can not have been met big using weight detecting using counterweight in kind as standard
The calibrating requirement of range weighing apparatus.
The foundation that the existing legal provisions of country carry out compulsory verification to weighing apparatus is JJG539-2016《Digital self-indicating scale inspection
Set pattern journey》And JJG1118-2015《Electronic vehicle weighing apparatus (weighing apparatus Load Meter method) vertification regulation》, according to JJG539-2016
《Digital self-indicating scale vertification regulation》The standard test weight of regulation calibrating weighing apparatus is at least 1 to two/5th point of weighing apparatus maximum capacity
One of, such as 100 tons of weighing apparatus at least need 20-50 tons of standard test weight, it has the problem of very big：First, increase the labor of calibration operation
Fatigue resistance, adds the expense using unit；Second, reduce calibration operation work efficiency, waste calibrating unit it is many when
Between；Third, the safety problem of increase counterweight transportational process, hidden danger is brought to people's lives and properties；By JJG1118-2015《Electronics
Truck scale (weighing apparatus Load Meter method) vertification regulation》Although solve the problems, such as, using big counterweight, to alleviate the work of calibrating
Intensity, improves accuracy and the efficiency of calibrating, but since standard verification load cell is loaded directly on weighing apparatus by it, and
Calibrating load cell moves then tens tons, all influences accuracy and the security of calibrating from beginning to end.
Patent No. CN102538936, patent name are《A kind of calibrating installation of large-scale weighing machine》Patent of invention disclose
A kind of improper code shape calibrating installation, but its pressure sensor is directly arranged on weighing apparatus, pressure sensor data is not direct etc.
Effect and weighing instrument verification data, should also be considered the influence of pressure sensor own wt, simultaneously as pressure sensor is directly set
It is placed on weighing apparatus, the pressure that should be born for pressure sensor is quite high, and the serious reduction of work and influence inspection of high pressure
Determine the service life of instrument.
The content of the invention
It is an object of the invention to solve at least the above, and provide the advantages of at least will be described later.
It is a still further object of the present invention to provide a kind of weighing apparatus intelligent verification instrument, it can be solved from weighing apparatus applied force
Traditional calibrating instrument directly bears against on weighing apparatus and influences the accuracy problems of verification result, and reaching 4 two using multiplying lever dials thousand
The purpose of jin, reduces the endurance of calibrating instrument pressure sensor, extends calibrating instrument service life, while lever bottom surface uses nanometer
Design of material is in latticed, effectively improves the pressure of lever.
In order to realize these purposes and further advantage according to the present invention, there is provided a kind of weighing apparatus intelligent verification instrument, including
Have in substrate, the substrate and be used to house the pit body of weighing apparatus and the calibrating unit arranged on the basement top：
The calibrating unit includes the thick stick that the support column arranged on the basement top, the support top end are hinged vertically
Bar, the lever are passed close to one end of weighing apparatus force-transmitting pole affixed straight down, the horizontal fixed pressure in other end bottom surface
Sensor；
Wherein, when the lever is horizontally disposed hydraulic cylinder is provided with immediately below its other end；
The support column is more than it apart from the power transmission with the lever hinged place apart from the distance of the pressure sensor
The distance of column.
Preferably, the lever is nanometer material, its bottom surface is set to latticed.
Preferably, the number of the calibrating unit is equal to the number of weighing sensor built-in in the weighing apparatus.
Preferably, the force-transmitting pole includes：
Fixed column, it is quadrangular shape, and the fixed top end and one end of the lever are integrally formed；
Adjusting part, it includes top and the connecting pole that is connected is detachably fixed with the fixed column bottom and positioned at described
Base below connecting pole, the connecting pole are quadrangular shape, and the base is truncated rectangular pyramids shape, and the base top surface is circumferentially vertical
Enclose baffled, the projection of the connecting pole bottom surface vertically and the baffle inside bottom surface upper-arm circumference are completely overlapped into figure；
Wherein, the corner that the base top surface is located in the baffle is vertically arranged with lead, the lead respectively
The horizontal affixed discoid gland in top, the connecting pole bottom surface are located at directly over the lead upward concave shape respectively
Into there is groove body, the groove body includes the spherical storage chamber connected up and down and for accommodating the gland and moving up and down it
Cylindric mobile cavity, the mobile cavity bottom surface forms necking, the gland periphery and the mobile cavity inner circumferential to internal condensation
Abut, the lead periphery is abutted with the necking madial wall；
The storage chamber memory storage sand, upper end is located above the gland that circumferentially card sets one along it in the mobile cavity
Guiding subassembly, so that sand flows into mobile cavity out of storage chamber, to support the lead.
Preferably, the sand in the storage chamber is 3 by mass ratio:The sand and mesh number that 1 mesh number is 10-12 be
The sand mixing composition of 130-150.
Preferably, the guiding subassembly includes the episphere and lower semisphere and deflector set in mirror image connection, described
Episphere upper end lateral wall is circumferential to abut with the circumferential direction of the mobile chamber inner sidewall, the lower semisphere lower end outside wall circumferential direction and institute
State the circumferential abutting of mobile chamber inner sidewall；
Wherein, the deflector include the upper and lower spaced upper annulus abutted with the mobile chamber inner sidewall and with institute
State the lower annulus and upper and lower side that episphere upper end madial wall abuts and cover respectively and be connected to the upper annulus and the lower annulus is circumferential
Cellular board, the cellular board are made of multiple hourglass-shaped water conservancy diversion funnels；
The hole body aperture connected between the episphere and the lower semisphere is 1-2cm；
The water conservancy diversion funnel median pore radius is 3-5mm.
Preferably, the connection top end is arranged at intervals six sliding blocks, and the circumferential line of six sliding blocks is in regular hexagon,
The connecting pole top surface is located at regular hexagon, the sliding block in T-shaped, its top include it is spherical left foxy and while with it is described
The right slippery fellow of triangle cylindricality of left foxy connection；
The bottom of the fixed column have be used for accommodate the sliding block and make its rotate annular groove, and with the annular groove
Three bar-shaped troughs of connection, so that the sliding block slips into annular groove, are arranged at intervals six pairs of spring leafs, so that institute in the annular groove
State left slippery fellow to pass through, without passing through the right slippery fellow, and then make the top of the connecting pole and the fixed column bottom removable
Unload connection.
Preferably, when the piston rod of the hydraulic cylinder is contracted to most short and when removing adjusting part, the lever court
Tilted to hydraulic cylinder one end, the lever is close to one end of the pressure sensor affixed montant straight down, with support
The lever makes the pressure sensor not abutted with the hydraulic cylinder.
The present invention includes at least following beneficial effect：
Firstth, the present invention solves JJG1118-2015《Electronic vehicle weighing apparatus (weighing apparatus Load Meter method) vertification regulation》Institute
There are the problem of, calibrating instrument from weighing apparatus applied force, thoroughly solve traditional standard verification load cell directly bear against on weighing apparatus and
The accuracy of verification result is influenced, while achievees the purpose that art is good for strength using lever principle, adequately protected calibrating instrument
The accuracy of pressure sensor itself, extends its service life.
Secondth, lever of the invention is made of nano material, and its floor design is in latticed, effectively improves lever
Pressure.
3rd, the adjusting part quality of weighing apparatus intelligent verification instrument of the present invention is certain, and adjusting part is in adjustment length
While do not influence lever balance, meanwhile, apply telescopic rod electric control adjustment length relative to traditional, can effectively avoid
The control of telescopic rod ambient pressure is improper, caused by measurement of discharge error, the setting of guiding subassembly makes sand to transport from top to bottom
It is dynamic, and avoid the problem that sand moves up on the basis of low pressure.
Further advantage, target and the feature of the present invention embodies part by following explanation, and part will also be by this
The research and practice of invention and be understood by the person skilled in the art.
Brief description of the drawings
Fig. 1 is the structure diagram of the weighing apparatus intelligent verification instrument of the present invention；
Fig. 2 is the structure diagram of the weighing apparatus intelligent verification instrument of the present invention；
Fig. 3 is the structure diagram of the adjusting part of the present invention；
Fig. 4 is the structure diagram of the fixed column of the present invention；
Fig. 5 is the structure diagram of the water conservancy diversion funnel of the present invention.
Embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings, to make those skilled in the art with reference to specification text
Word can be implemented according to this.
It should be appreciated that such as " having ", "comprising" and " comprising " term used herein do not allot one or more
The presence or addition of a other elements or its combination.
As shown in Figs. 1-5, the present invention provides a kind of weighing apparatus intelligent verification instrument, including has in substrate 1, the substrate 1 and use
Pit body 10 in accommodating weighing apparatus 2 and the calibrating unit 3 arranged on 1 top surface of substrate；
The calibrating unit 3 includes the support column 30 arranged on 1 top surface of substrate, 30 top of the support column vertically and is hinged
Lever 31, the lever 31 is close to one end of the weighing apparatus 2 force-transmitting pole 32 affixed straight down and the other end (thick stick
The one end of bar 31 away from the weighing apparatus 2) the horizontal fixed pressure sensor 33 in bottom surface；
Wherein, when the lever 31 is horizontally disposed with hydraulic cylinder 34 is provided with immediately below its other end；
The support column 30 is more than it apart from institute with 31 hinged place of lever apart from the distance of the pressure sensor 33
State the distance of force-transmitting pole 32.
In the above-mentioned technical solutions, support column 30 is fixed at 1 top surface of substrate, when being acted on without external force, institute
State lever 31 and be in horizontality, i.e., when the lever 31 is in horizontality, its both sides end stress is equal, uses process
In, weighing apparatus 2 is horizontally placed in the pit body 10, the bottom of the force-transmitting pole 32 is located at 2 upper end of weighing apparatus, and works as the thick stick
(it can be added when bar 31 is in horizontality on 31 top of lever), between 2 top surface of 32 bottom surface of force-transmitting pole and the weighing apparatus
Distance is approximately equal to zero, starts hydraulic cylinder 34, and the piston tip of the hydraulic cylinder 34 is abutted to 33 following table of pressure sensor
Face, continues to pressure, and the reading on pressure sensor 33 is N1, 2 corresponding reading of weighing apparatus is N in theory2, the pressure biography
Sensor 33 is F apart from the distance of the support column 301, the biography column is F apart from the distance of the support column 302, then by lever
31 principles understand N2=(F1N1)/F2, 2 corresponding actual read number of weighing apparatus is N2', compare N2And N2' numerical value, if maximum by mistake
In poor allowed band, using this technical solution, can solve traditional calibrating instrument from 2 applied force of weighing apparatus and directly bear against weighing apparatus 2
The accuracy problems of verification result above are influenced, achieve the purpose that art is good for strength using multiplying lever 31, reduce calibrating instrument
The endurance of pressure sensor 33, extends calibrating instrument service life.
In another technical solution, the lever 31 is nanometer material, its bottom surface is set to latticed.Using this scheme
The latticed pressure that can effectively improve lever 31 is made in nanometer material.
In another technical solution, the number of the calibrating unit 3 is equal to weighing sensor built-in in the weighing apparatus 2
Number.Using this scheme, accelerate calibrating speed, while strengthen the accuracy of calibrating, each weighing sensor is examined
During survey, the center of gravity and the center of gravity of the weighing sensor of the force-transmitting pole 32 are basically identical, and 2 corresponding reading of weighing apparatus is N in theory2
It is N with 2 corresponding actual read number of weighing apparatus2' it is reading for the weighing sensor.
In another technical solution, the force-transmitting pole 32 includes：
Fixed column 5, it is quadrangular shape, and 5 top of fixed column and one end of the lever 31 are integrally formed；
Adjusting part 6, it includes top and is detachably fixed the connecting pole 60 being connected with 5 bottom of fixed column and is located at
The base 61 of the lower section of the connecting pole 60, the connecting pole 60 are quadrangular shape, and the base 61 is truncated rectangular pyramids shape, the base
61 top surfaces circumferentially enclose baffled 610 vertically, the projection of 60 bottom surface of connecting pole vertically with 610 bottom surface of baffle
Side arm surrounds that figure is completely overlapped, i.e., described 60 bottom surface of connecting pole can be arranged in the baffle 610；
Wherein, the four corners that 61 top surface of base is located in the baffle 610 are vertically arranged with lead 611 respectively,
The horizontal affixed discoid gland 612 in 611 top of lead, 60 bottom surface of connecting pole is located at the lead
Directly over 611 respectively upwards depression formed with groove body 600, the groove body 600 include the spherical storage chamber 601 connected up and down and
For the cylindric mobile cavity 602 for accommodating the gland 612 and moving up and down it, 602 bottom surface of mobile cavity is to inside contracting
Conjunction forms necking 603, and 612 periphery of gland is abutted with 602 inner circumferential of mobile cavity, 611 periphery of lead and institute
State 603 madial wall of necking abutting；
The 601 memory storage sand of storage chamber, in the mobile cavity 602 upper end positioned at the top of gland 612 along its
Circumferential card sets a guiding subassembly 7, so that sand flows into mobile cavity 602 out of storage chamber 601, to support the lead 611.On
State scheme in use, before calibrating, the fixed column 5 and the end of the lever 31 are integrally formed, the adjusting group
Part 6 is not attached in the fixed column 5, and the adjusting part 6 is inverted and is set, and 60 bottom surface of connecting pole is arranged in the gear
(it can be snapped connection between 60 bottom of connecting pole and the base 61) in plate 610, the sand is entirely located in the storage chamber
In 601, when needing calibrating, the adjusting part 6 is fixedly connected with the fixed column 5, unties connecting pole 60 and base 61
Between snap connection, control lever 31 is horizontally disposed, and base 61 drives lead 611 downward under the action of self gravitation at this time
Be moved to the top of weighing apparatus 2, and the distance between 2 top surface of 61 bottom surface of base and the weighing apparatus is approximately equal to zero, i.e., base 61 with it is described
2 top surface of weighing apparatus abuts, and the sand in storage chamber 601 is flowed into by guiding subassembly 7 in the mobile cavity 602 of the top of gland 612,
To its upper part space is completely filled with, 5 body of fixed column is formed, to ensure when hydraulic cylinder 34 gives 33 pressure of pressure sensor,
Lever 31 is constantly in horizontality, and certain using this 6 mass of scheme adjusting part, adjusting part 6 is in the same of adjustment length
When do not influence lever 31 and balance, meanwhile, apply telescopic rod electric control adjustment length relative to traditional, can effectively avoid stretching
The control of contracting bar ambient pressure is improper, caused by measurement of discharge error.
In another technical solution, sand in the storage chamber 601 is 3 by mass ratio:1 mesh number is 10-12's
Sand and the sand mixing composition that mesh number is 130-150.Filled using this scheme mixing sand of different sizes, ensure rigidity
While put forward highly filled compactness.
In another technical solution, the guiding subassembly 7 includes the episphere 70 and lower semisphere set in mirror image connection
71 and deflector 72, the 70 upper end lateral wall of episphere is circumferential to abut with the circumferential of 602 madial wall of mobile cavity, described
71 lower end outside wall of lower semisphere is circumferential to abut with the circumferential direction of 602 madial wall of mobile cavity；
Wherein, the deflector 72 includes the upper and lower spaced upper annulus abutted with 602 madial wall of mobile cavity
73 and the lower annulus 74 and upper and lower side that are abutted with the 70 upper end madial wall of episphere cover be connected to the upper annulus 73 and institute respectively
The circumferential cellular board 75 of lower annulus 74 is stated, the cellular board 75 is made of multiple hourglass-shaped water conservancy diversion funnels 76；
The hole body aperture connected between the episphere 70 and the lower semisphere 71 is 1-2cm；
76 median pore radius of water conservancy diversion funnel is 3-5mm.Sand is moved from top to bottom using this scheme, and keep away
Exempt from sand moves up on the basis of low pressure the problem of.
In another technical solution, 60 top of connecting pole is arranged at intervals six sliding blocks 604, six sliding blocks 604
Circumferential line is in regular hexagon, and 60 top surface of connecting pole is located at regular hexagon, and the sliding block 604 is in T-shaped, its top bag
Include the spherical left foxy and while right slippery fellow of triangle cylindricality being connected with the left slippery fellow；
The bottom of the fixed column 5 have be used for accommodate the sliding block 604 and make its rotate annular groove 50, and with it is described
Three bar-shaped troughs 51 that annular groove 50 connects, so that the sliding block 604 slips into annular groove 50, are arranged at intervals in the annular groove 50
Six pairs of spring leafs 52, so that the left slippery fellow passes through, without passing through the right slippery fellow, and then make the top of the connecting pole 60
It is detachably connected with 5 bottom of fixed column, when the sliding block 604 is arranged in the shrapnel, the tetragonous of the connecting pole 60
It is located on the same line respectively with the tetragonous of the fixed column 5, Fig. 4 simply simply represents annular groove 50, bar-shaped trough 51
And the relative position of slide plate.Connecting pole 60 and fixed column 5 are mounted and dismounted using this scheme easily and fast.
In another technical solution, when the piston rod of the hydraulic cylinder 34 is contracted to most short, and adjusting part 6 is removed
When, the lever 31 is tilted towards 34 one end of hydraulic cylinder, and the lever 31 is vertical close to one end of the pressure sensor 33
A downward affixed montant, to support the lever 31 to make the pressure sensor 33 not abutted with the hydraulic cylinder 34.Using
This scheme is when not in use to a kind of 33 safeguard measure of pressure sensor.
Number of devices and treatment scale described herein are the explanations for simplifying the present invention.To weighing apparatus of the present invention intelligence
The application of calibrating instrument, modifications and variations will be readily apparent to persons skilled in the art.
Although embodiment of the present invention is disclosed as above, it is not restricted in specification and embodiment listed
With it can be applied to various suitable the field of the invention completely, can be easily for those skilled in the art
Realize other modification, therefore under the universal limited without departing substantially from claim and equivalency range, it is of the invention and unlimited
In specific details and shown here as the legend with description.
Claims (8)
- It is used to house the pit body of weighing apparatus and arranged on described 1. on a kind of weighing apparatus intelligent verification instrument, including substrate, the substrate having The calibrating unit of basement top, it is characterised in that：The calibrating unit includes the lever that the support column arranged on the basement top, the support top end are hinged vertically, institute Lever is stated close to one end of weighing apparatus force-transmitting pole affixed straight down, the horizontal fixed pressure sensor in other end bottom surface；Wherein, when the lever is horizontally disposed hydraulic cylinder is provided with immediately below its other end；The support column is more than it apart from the force-transmitting pole with the lever hinged place apart from the distance of the pressure sensor Distance.
- 2. weighing apparatus intelligent verification instrument as claimed in claim 1, it is characterised in that the lever is nanometer material, its bottom surface is set To be latticed.
- 3. weighing apparatus intelligent verification instrument as claimed in claim 1, the number of the calibrating unit is equal to built in the weighing apparatus The number of weighing sensor.
- 4. weighing apparatus intelligent verification instrument as claimed in claim 1, it is characterised in that the force-transmitting pole includes：Fixed column, it is quadrangular shape, and the fixed top end and one end of the lever are integrally formed；Adjusting part, it includes top and the connecting pole that is connected is detachably fixed with the fixed column bottom and positioned at the connection Base below column, the connecting pole are quadrangular shape, and the base is truncated rectangular pyramids shape, and the base top surface circumferentially encloses vertically to be set Baffle, the projection of the connecting pole bottom surface vertically and the baffle inside bottom surface upper-arm circumference are completely overlapped into figure；Wherein, the corner that the base top surface is located in the baffle is vertically arranged with lead, the guiding top end respectively A horizontal affixed discoid gland, the connecting pole bottom surface be located at directly over the lead be recessed upwards respectively formed with Groove body, the groove body include the spherical storage chamber connected up and down and the circle for accommodating the gland and moving up and down it Column mobile cavity, the mobile cavity bottom surface form necking to internal condensation, and the gland periphery is abutted with the mobile cavity inner circumferential, The lead periphery is abutted with the necking madial wall；The storage chamber memory storage sand, upper end is located above the gland that circumferentially card sets a water conservancy diversion along it in the mobile cavity Component, so that sand flows into mobile cavity out of storage chamber, to support the lead.
- 5. weighing apparatus intelligent verification instrument as claimed in claim 4, it is characterised in that the sand in the storage chamber is by mass ratio 3:The sand mixing composition that the sand and mesh number that 1 mesh number is 10-12 are 130-150.
- 6. weighing apparatus intelligent verification instrument as claimed in claim 5, it is characterised in that the guiding subassembly includes setting in mirror image connection The episphere and lower semisphere and deflector put, the circumferential circumferential direction with the mobile chamber inner sidewall of episphere upper end lateral wall Abut, the lower semisphere lower end outside wall is circumferential to abut with the circumferential direction of the mobile chamber inner sidewall；Wherein, the deflector include the upper and lower spaced upper annulus abutted with the mobile chamber inner sidewall and with it is described on The lower annulus and upper and lower side that hemisphere upper end madial wall abuts cover the honeycomb for being connected to the upper annulus and the lower annulus circumferential direction respectively Plate, the cellular board are made of multiple hourglass-shaped water conservancy diversion funnels；The hole body aperture connected between the episphere and the lower semisphere is 1-2cm；The water conservancy diversion funnel median pore radius is 3-5mm.
- 7. weighing apparatus intelligent verification instrument as claimed in claim 4, it is characterised in that the connection top end is arranged at intervals six cunnings Block, the circumferential line of six sliding blocks is in regular hexagon, and the connecting pole top surface is located at regular hexagon, and the sliding block is in T-shaped, Its top includes the spherical left foxy and while right slippery fellow of triangle cylindricality being connected with the left slippery fellow；The bottom of the fixed column has the annular groove for being used for accommodating the sliding block and rotate it, and is connected with the annular groove Three bar-shaped troughs so that the sliding block slips into annular groove, six pairs of spring leafs are arranged at intervals in the annular groove, so that the left side Slippery fellow passes through, and without passing through the right slippery fellow, and then the top of the connecting pole and the fixed column bottom is detachably connected Connect.
- 8. weighing apparatus intelligent verification instrument as claimed in claim 4, it is characterised in that when the piston rod of the hydraulic cylinder is contracted to Most short and when removing adjusting part, the lever is tilted towards hydraulic cylinder one end, and the lever is close to the pressure sensor One end affixed montant straight down, to support the lever pressure sensor is not abutted with the hydraulic cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711131994.0A CN107941317A (en) | 2017-11-15 | 2017-11-15 | Weighing apparatus intelligent verification instrument |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711131994.0A CN107941317A (en) | 2017-11-15 | 2017-11-15 | Weighing apparatus intelligent verification instrument |
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| Publication Number | Publication Date |
|---|---|
| CN107941317A true CN107941317A (en) | 2018-04-20 |
Family
ID=61932333
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711131994.0A Pending CN107941317A (en) | 2017-11-15 | 2017-11-15 | Weighing apparatus intelligent verification instrument |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111521252A (en) * | 2020-04-02 | 2020-08-11 | 河南省计量科学研究院 | Remote metering verification method for dynamic truck scale |
| CN112665699A (en) * | 2020-11-23 | 2021-04-16 | 郭高峰 | Three-dimensional measurement and calculation method for high-precision weight scale |
| CN113959550A (en) * | 2021-09-28 | 2022-01-21 | 无锡市检验检测认证研究院 | Unequal-arm balance loading unit, weighbridge calibrating device and weighbridge calibrating method |
| CN113984170A (en) * | 2021-10-12 | 2022-01-28 | 北京优量云产业计量技术创新研究院有限公司 | Weighing pan and mass comparator with same |
| CN114397004A (en) * | 2022-01-18 | 2022-04-26 | 凯晟动力技术（嘉兴）有限公司 | High-temperature-resistant pressure sensor calibration device and use method thereof |
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| CN112665699A (en) * | 2020-11-23 | 2021-04-16 | 郭高峰 | Three-dimensional measurement and calculation method for high-precision weight scale |
| CN112665699B (en) * | 2020-11-23 | 2022-03-04 | 超越工场(东莞)科技有限公司 | Three-dimensional measurement and calculation method for high-precision weight scale |
| CN113959550A (en) * | 2021-09-28 | 2022-01-21 | 无锡市检验检测认证研究院 | Unequal-arm balance loading unit, weighbridge calibrating device and weighbridge calibrating method |
| WO2023051200A1 (en) * | 2021-09-28 | 2023-04-06 | 无锡市检验检测认证研究院 | Unequal-arm balance loading unit, weighbridge calibration device, and weighbridge calibration method |
| CN113959550B (en) * | 2021-09-28 | 2023-05-23 | 无锡市检验检测认证研究院 | Unequal arm balance loading unit, ground balance verification device and ground balance verification method |
| CN113984170A (en) * | 2021-10-12 | 2022-01-28 | 北京优量云产业计量技术创新研究院有限公司 | Weighing pan and mass comparator with same |
| CN114397004A (en) * | 2022-01-18 | 2022-04-26 | 凯晟动力技术（嘉兴）有限公司 | High-temperature-resistant pressure sensor calibration device and use method thereof |
| CN114397004B (en) * | 2022-01-18 | 2022-07-19 | 凯晟动力技术（嘉兴）有限公司 | High-temperature-resistant pressure sensor calibration device and use method thereof |
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