CN209181900U - A kind of big mass comparator counterweight high-precision calibration device - Google Patents
A kind of big mass comparator counterweight high-precision calibration device Download PDFInfo
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- CN209181900U CN209181900U CN201821856836.1U CN201821856836U CN209181900U CN 209181900 U CN209181900 U CN 209181900U CN 201821856836 U CN201821856836 U CN 201821856836U CN 209181900 U CN209181900 U CN 209181900U
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Abstract
The utility model discloses a kind of big mass comparator counterweight high-precision calibration devices, are related to metering field.It include: pedestal, the pedestal is equipped with the weighing plate for weighing counterweight；Support construction is set to the weighing plate, and the support construction is equipped with supporting gap, and the width of the supporting gap is less than the diameter of the counterweight；Frame is loaded, is removably attachable to the pedestal, the load frame includes the loading bench for being used to support the counterweight；When the load frame is arranged on the base, the loading bench is set in the supporting gap, spacing between side and the pedestal of the loading bench far from the pedestal, less than side of the support construction far from the pedestal and the spacing between the pedestal.The utility model reduces the influence to calibration process of load frame, that is, reduces the possibility of absolute error generation, increase the accuracy and stability when comparator calibration of weight.
Description
Technical field
The utility model relates to metering field, espespecially a kind of big mass comparator counterweight high-precision calibration device.
Background technique
Mass comparator is deformation and strain according to the principle that measurement elastic element, or feedback of electromagnetic force balances manufacture
Electronics weighing device.It is mainly used for based on ABA or ABBA endless form measure quality difference value, for counterweight transmitting or other
Test the high-resolution electronics weighing device of specific use.
Currently, uneven loading error is metering field urgent problem to be solved, uneven loading error refers to counterweight deviation of gravity center mass ratio
The error generated compared with instrument scale pan center.Counterweight is examined and determine by comparing instrument, calibration, transmission of quantity value, due to existing high
Grade counterweight (E2 grade) maximum single counterweight can only be traceable to 50kg, so 100kg or more big counterweight (F1 grade and with
The lower big counterweight of grade) calibration can only be combined and carry out using multiple 50kg counterweights, but since counterweight is being placed into title by user
When again on disk, the center of counterweight and the center of weighing pan are difficult to, so as to cause uneven loading error, reduce comparator in same position
Accuracy and stability when calibration.
Summary of the invention
The purpose of the utility model is to provide a kind of big mass comparator counterweight high-precision calibration devices, reduce load frame
Influence to calibration process reduces the possibility of absolute error generation, accuracy when increasing comparator calibration of weight and
Stability.
The technical scheme that the utility model is provided is as follows:
A kind of big mass comparator counterweight high-precision calibration device, comprising: pedestal, the pedestal are equipped with for weighing weight
The weighing plate of code；Support construction, is set to the weighing plate, and the support construction is equipped with supporting gap, the supporting gap
Width be less than the counterweight diameter；Frame is loaded, the pedestal is removably attachable to, the load frame includes being used to support
The loading bench of the counterweight；When the load frame is arranged on the base, the loading bench is set to the supporting gap
Interior, between side and the pedestal of the loading bench far from the pedestal spacing is less than the support construction far from described
Spacing between the side of pedestal and the pedestal；When the load frame is arranged on the base, the loading bench and institute
It states and is equipped with gap between support construction.
In the technical program, by loading the setting of frame, Fast Installation of multiple counterweights on weighing plate is realized, is reduced
By multiple counterweights load required time on comparator, reduces and generate linear drift since the load time is too long
May, increase the accuracy and stability when gauge setting；Pass through the setting of support construction and its supporting gap, Ji Keshi
Now load frame is arranged in supporting gap after the completion of loading counterweight, reduces the influence to calibration process of load frame, i.e.,
The possibility for reducing absolute error generation increases the precision of calibration weighing plate；By loading the restriction of frame position, reduces and add
The constraint between frame and support construction is carried, reduces weighing plate during weighing to counterweight, influence of the frame to counterweight is loaded, increases
The accuracy and stability when comparator calibration of weight are added.
Further, the support construction includes: prong plate, and the prong plate is set as multiple, multiple prong plate edges
The weighing plate is set to perpendicular to the direction of the weighing plate；Multiple prong plates are parallel to each other, the adjacent prong plate
Between form the supporting gap.
In the technical program, by the setting of prong plate, supporting gap can be formed, loading bench setting is then realized and exists
Function in supporting gap, and the prong plate being arranged can be used in supporting counterweight, and prong plate also has biggish structure
Intensity increases the stability of support construction.
Further, the weighing plate is equipped with multiple slots far from the side of the pedestal, and the prong plate is plugged in described
In slot.
In the technical program, prong plate can be detachably connected on weighing plate, convenient for the structure and installation of prong plate,
Also it can easily be replaced, counterweight or object to be measured for different conditions, user can also select when prong plate damages
Different prong plates is taken, the scope of application of weighing plate is increased.
Further, the loading bench includes: load plate, and the load plate is set as multiple, the load plate along perpendicular to
The direction of the weighing plate is arranged, and load gap is equipped between the adjacent load plate；When the load frame is arranged at the bottom
When on seat, the loading bench is staggered with the support construction, and the load plate is set in the supporting gap, the branch
Support structure is arranged in the load gap.
In the technical program, by the setting of multiple load plates, staggered structure can be realized with support construction, it is then real
The separation for having showed loading bench and support construction reduces influence of the loading bench to calibration of weight weighing plate when, increases comparator
Accuracy and stability when calibration of weight.
Further, the support construction includes: prong item, and the prong item is set as multiple, multiple prong item edges
It is set to the weighing plate perpendicular to the direction of the weighing plate, multiple prong strip arrays are distributed in the weighing plate, phase
The supporting gap is formed between the adjacent prong item.
In the technical program, by the setting of prong item, the area of supporting gap is increased, reduces loading bench and support
The possibility of constructive interference increases the reliability that loading bench is arranged in supporting gap；Loading bench also can be with different simultaneously
Mounting means is arranged in supporting gap, increases the use scope of loading bench, is mounted on the base loading bench convenient for user.
Further, the loading bench includes: the first load bar, and first load bar is set as multiple, and multiple described
One load bar is parallel to each other；Second load bar, second load bar are set as multiple, and multiple second load bars are mutually flat
Row, second load bar is perpendicular to first load bar；Two neighboring first load bar and two neighboring second load bar
Form loading hole；When load frame setting on the base when, the prong item is plugged in the loading hole, described the
One load bar and second load bar are set in the supporting gap.
In the technical program, by the setting of the first load bar and the second load bar, loading bench can be realized and support is tied
The adaptation of structure, and the loading bench under current state increases the structural strength of loading bench, then reduces counterweight and adding in netted
The possibility shaken on microscope carrier also reduces the possibility that counterweight deviates on loading bench, increases standard when comparator calibration of weight
Exactness and stability.
Further, it is additionally provided with multiple guide frames on the pedestal, offers on the guide frame and is put for loading frame
The placing groove set；It is identical as the load shape of frame bottom surface that multiple guide frames surround the shape formed.
In the technical program, by the setting of guide frame and placing groove, can to load frame move downward process into
Row limits, and can also be defined to the position put down of load frame, reduce load frame put down between positional shift possibility, subtract
It is small put down after counterweight and weighing plate off-centring possibility, reduce the possibility that counterweight generates uneven loading error, increase
Accuracy and stability when gauge setting.
Further, centering component, the centering component are used to adjust the angle between the weighing plate and the pedestal, institute
Stating the angle between weighing plate and the pedestal is 0~3 °.
In the technical program, by the setting for component of feeling relieved, the adjusting of counterweight position of centre of gravity is realized, and pass through movement
Frame is loaded, when moving again to the direction far from pedestal, the position of centre of gravity of counterweight can be changed, and the centering for realizing counterweight claims
Weight reduces the possibility that counterweight generates uneven loading error, increases the accuracy and stability when comparator calibration of weight.
Further, when the weighing plate tilts, between side and the pedestal of the loading bench far from the pedestal
Spacing, less than side of the support construction far from the pedestal and the minimum spacing between the pedestal.
In the technical program, by the restriction of loading bench and support structure height under weighing plate heeling condition, when load frame
When being set on the base, counterweight is kept completely separate with loading bench, and counterweight can be supported by support construction completely, and weighing plate can obtain
To the quality of counterweight.
Compared with prior art, a kind of big mass comparator counterweight high-precision calibration device provided by the utility model has
Below the utility model has the advantages that
1, by loading the setting of frame, Fast Installation of multiple counterweights on weighing plate is realized, is reduced multiple weights
It code load required time on comparator, reduces and generates the possibility of linear drift since the load time is too long, increase
Accuracy and stability when comparator calibration of weight.
2, by the setting of support construction and its supporting gap, load frame can be realized after the completion of loading counterweight, if
It sets in supporting gap, reduces the influence to calibration process of load frame, that is, reduce the possibility of absolute error generation, increase
Accuracy and stability when comparator calibration of weight.
3, by the setting of prong plate, supporting gap can be formed, loading bench is then realized and is arranged in supporting gap
Function, and the prong plate being arranged can be used in supporting counterweight, and prong plate also has biggish structural strength, increases
The stability of support construction.
4, by the setting of guide frame and placing groove, the process that moves downward of load frame can be defined, also can
Enough positions put down to load frame are defined, reduce load frame put down between positional shift possibility, reduce after putting down
Counterweight and weighing plate off-centring possibility, reduce counterweight generate uneven loading error possibility, increase comparator counterweight
Accuracy and stability when calibration.
Detailed description of the invention
Below by clearly understandable mode, preferred embodiment is described with reference to the drawings, to a kind of big mass comparator weight
Above-mentioned characteristic, technical characteristic, advantage and its implementation of code high-precision calibration device are further described.
Fig. 1 is a kind of structural schematic diagram of big mass comparator counterweight high-precision calibration device of the utility model；
Fig. 2 is feel relieved in a kind of big mass comparator counterweight high-precision calibration device of the utility model component and support construction
Structural schematic diagram；
Fig. 3 is support construction and load frame in another big mass comparator counterweight high-precision calibration device of the utility model
Structural schematic diagram；
Fig. 4 is a kind of side view of big mass comparator counterweight high-precision calibration device of the utility model；
Fig. 5 is the A-A direction view of Fig. 4；
Fig. 6 is a kind of use flow diagram of big mass comparator counterweight high-precision calibration device of the utility model；
Drawing reference numeral explanation: 10. pedestals, 20. centering components, 21. idler wheels, 22. sliding seats, 23. abut block, 30. supports
Structure, 31. supporting gaps, 32. prong plates, 33. slots, 34. prong items, 40. load frames, 41. loading bench, 411. load plates,
412. first load bars, 413. second load bars, 42. loading hole, 43. outline borders, 44. hanging rings, 50. weighing plates, 60. guiding knots
Structure, 61. placing grooves.
Specific embodiment
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, attached drawing will be compareed below
Illustrate specific embodiment of the present utility model.It should be evident that the accompanying drawings in the following description is only the one of the utility model
A little embodiments for those of ordinary skill in the art without creative efforts, can also be according to these
Attached drawing obtains other attached drawings, and obtains other embodiments.
To make simplified form, part relevant to utility model is only schematically shown in each figure, their not generations
Its practical structures as product of table.In addition, there is identical structure or function in some figures so that simplified form is easy to understand
Component, only symbolically depict one of those, or only marked one of those.Herein, "one" not only table
Show " only this ", can also indicate the situation of " more than one ".
According to a kind of embodiment provided by the utility model, as shown in Figure 1, Figure 2 and shown in Fig. 5, a kind of big mass comparator weight
Code high-precision calibration device, including, pedestal 10, pedestal 10 is arranged in bottom, and pedestal 10 can be horizontally arranged on the ground；Bottom
Seat 10 is equipped with the weighing plate 50 for weighing counterweight, and after counterweight is placed on weighing plate 50, weighing plate 50 can weigh counterweight,
Obtain the quality of counterweight.
Weighing plate 50 is equipped with support construction 30, and support construction 30 is equipped with supporting gap 31, and supporting gap 31 can be set
It is set to one or more, the width of supporting gap 31 is less than the width of counterweight.
Load frame 40 is additionally provided on pedestal 10, load frame 40 can be removably attachable to pedestal 10, packet in load frame 40
Loading bench 41 is included, loading bench 41 can be used in supporting counterweight.
When loading the setting of frame 40 on pedestal 10, loading bench 41 can be arranged in supporting gap 31, and loading bench 41 is remote
Spacing between side from pedestal 10 and pedestal 10, less than between side of the support construction 30 far from pedestal 10 and pedestal 10
Spacing, the i.e. upside of loading bench 41 are lower than the upside of support construction 30.
When loading the setting of frame 40 on pedestal 10, it is equipped with gap between loading bench 41 and support construction 30, that is, refers to load
The left and right sides of platform 41 is separated with the support construction 30 of its two sides, also refers to that the lower end of loading bench 41 is separated with support construction 30.
By loading the restriction of 40 position of frame, the constraint between load frame 40 and support construction 30 is reduced, weight is reduced
Code loads the influence when calibration of 40 weighing disk 50 of frame in 50 calibration process of weighing disk, increases the calibration of weighing plate 50
Accuracy and stability.
When needing calibrating weight, counterweight is placed in the load frame 40 removed from pedestal 10 first, frame will be loaded
40 are moved to the upside of support construction 30, and are placed on downwards on pedestal 10, in placement process, since the upside of loading bench 41 is low
In the upside of support construction 30, therefore, when the upside of loading bench 41 is concordant with the upside of support construction 30, counterweight can be same
When be connected on loading bench 41 and support construction 30；When load frame 40 continues to move downward, until load frame 40 is mounted on bottom
When on seat 10, counterweight is separated with loading bench 41, and is connected in support construction 30, realizes the quick load of multiple counterweights, is claimed
Amount disk 50 can calibrate counterweight.
When load frame 40 moves on pedestal 10, load frame 40 can be supported by pedestal 10 completely, and support construction 30
Support force is not provided to load frame 40 with weighing plate 50, therefore, only user realizes the load of counterweight to load frame 40, and is calibrating
During, load frame 40 no longer participates in the process of calibration, reduces the influence to calibration process of load frame 40, that is, reduces
The possibility that absolute error generates increases the precision of calibration weighing plate 50.
In the present embodiment, by loading the setting of frame 40, Fast Installation of multiple counterweights on weighing plate 50 is realized, is subtracted
It is small by multiple counterweights load required time on comparator, reduce and generate linear drift since the load time is too long
Possibility, increase the accuracy and stability when comparator calibration of weight；Pass through support construction 30 and its supporting gap 31
Setting can be realized load frame 40 after the completion of loading counterweight, be arranged in supporting gap 31, reduce pair of load frame 40
The influence of calibration process reduces the possibility of absolute error generation, increases precision when calibrating weight.
According to the improvement of above-described embodiment, in the present embodiment, pedestal 10 is equipped with multiple guide frames 60, guide frame 60
On offer for load frame 40 placement placing groove 61, multiple guide frames 60 around formed shape and load 40 bottom surface of frame
Shape it is identical.In the present embodiment, the bottom surface of load frame 40 is rectangle, and therefore, guide frame 60 can be set as four, and four
A guide frame 60 can be around a rectangle be formed, and the rectangular shape and size of formation are identical as rectangle frame.Therefore, adding
It carries frame 40 and is located at the upside of support construction 30, and during moving downward, four corners for loading frame 40 can fall in placing groove
In 61, until being connected to the lower end of placing groove 61.
It, being capable of moving downward to load frame 40 by the setting of guide frame 60 and placing groove 61 in the present embodiment
Journey is defined, and can be also defined to the position put down of load frame 40, reduce load frame 40 put down between positional shift
Possibility, reduce the possibility of the off-centring of the counterweight after putting down and weighing plate 50, reduce counterweight and generate uneven loading error
May, increase the accuracy and stability when comparator calibration of weight.
Specifically, pedestal 10 can be arranged in guide frame 60, and is integrally formed, can also be separately positioned with pedestal 10,
And realize the adjustment effect of guide frame 60.
According to another embodiment provided by the utility model, as depicted in figs. 1 and 2, a kind of big mass comparator counterweight
The difference of high-precision calibration device, the present embodiment and the first embodiment is the specific structure of support construction 30.
On the basis of the first embodiment, in the present embodiment, support construction 30 includes prong plate 32, and prong plate 32 can
It is set as multiple, multiple prong plates 32 can be arranged on weighing plate 50 along the direction perpendicular to weighing plate 50, i.e. prong plate 32
It can be vertically arranged on weighing plate 50, multiple prong plates 32 are parallel to each other, and support is capable of forming between adjacent tine tooth plate 32
Gap 31, it is preferable that the spacing between adjacent tine tooth plate 32 is identical, i.e., multiple supporting gaps 31 it is of same size.
By the setting of prong plate 32, supporting gap 31 can be formed, loading bench 41 is then realized and is arranged between support
Function in gap 31, and the prong plate 32 being arranged can be used in supporting counterweight, and prong plate 32 also has biggish structure
Intensity increases the stability of support construction 30.
Weighing plate 50 is equipped with multiple slots 33 far from the side of pedestal 10, and prong plate 32 can be plugged in slot 33, i.e.,
Prong plate 32 can be detachably connected on weighing plate 50, also can be in prong plate convenient for the structure and installation of prong plate 32
When 32 damage, easily replaced, counterweight or object to be measured for different conditions, user can also choose different prongs
Plate 32 increases the scope of application of weighing plate 50.
According to the improvement of above-described embodiment, in the present embodiment, loading bench 41 includes load plate 411, and load plate 411 is set as
Multiple, multiple load plates 411 can be arranged along the direction perpendicular to weighing plate 50, i.e., load plate 411 can be vertically arranged, when adding
It carries frame 40 to be arranged when on pedestal 10, loading bench 41 can be staggered with support construction 30, i.e., load plate 411 can be arranged in
In supporting gap 31, support construction 30 can be in load gap.
By the setting of multiple load plates 411, staggered structure can be realized with support construction 30, then realize load
The separation of platform 41 and support construction 30 reduces influence of the loading bench 41 to calibration of weight weighing plate 50 when, increases counterweight school
The stability of quasi- weighing plate 50.
In the present embodiment, load frame 40 further includes the outline border 43 that 41 outside of loading bench is arranged in, and loading bench 41 can be arranged
In the lower end inside of outline border 43, the upper end of outline border 43 is additionally provided with hanging ring 44, and user can be sling by hanging ring 44 by frame 40 is loaded
Or it falls.
According to another embodiment provided by the utility model, as shown in figures 1 and 3, a kind of big mass comparator counterweight
The difference of high-precision calibration device, the present embodiment and the first embodiment is the specific structure of support construction 30.
On the basis of the first embodiment, in the present embodiment, support construction 30 includes prong item 34, and prong item 34 is arranged
To be multiple, prong item 34 is vertical state, and multiple prong items 34 can be arranged along the direction perpendicular to weighing plate 50 in weighing plate
On 50, i.e., prong item 34 can be vertically arranged on weighing plate 50, and multiple prong items 34 can array distribution in weighing plate 50
On, in the present embodiment, prong item 34 can be distributed on weighing plate 50 in a manner of rectangular array, two neighboring prong item 34 it
Between be capable of forming supporting gap 31, i.e., include criss-cross multiple groups supporting gap 31 in support construction 30.
By the setting of prong item 34, the area of supporting gap 31 is increased, reduces loading bench 41 and support construction 30
The possibility of interference increases the reliability that loading bench 41 is arranged in supporting gap 31；Loading bench 41 also can be with difference simultaneously
Mounting means be arranged in supporting gap 31, increase the use scope of loading bench 41, loading bench 41 be installed convenient for user
On pedestal 10.
Loading bench 41 includes the first load bar 412 and the second load bar 413, the first load bar 412 and the second load bar 413
It is disposed as multiple, multiple first load bars 412 are parallel to each other, and multiple second load bars 413 are also parallel to each other, the first load bar
412 perpendicular to the second load bar 413, i.e. the first load bar 412 be capable of forming with the second load bar 413 intersect it is netted, preferably
Ground, the first load bar 412 and the second load bar 413 in the same plane, two neighboring first load bar 412 and two neighboring the
Two load bars 413 form loading hole 42, and when loading the setting of frame 40 on pedestal 10, prong item 34 can be plugged on loading hole 42
It is interior, and the first load bar 412 and the second load bar 413 can be arranged in supporting gap 31.
By the setting of the first load bar 412 and the second load bar 413, loading bench 41 and support construction 30 can be realized
Adaptation, and the loading bench 41 under current state increases the structural strength of loading bench 41, then reduces counterweight and adding in netted
The possibility shaken on microscope carrier 41 also reduces the possibility that counterweight deviates on loading bench 41, increases calibration of weight weighing plate 50
When accuracy and stability.
According to another embodiment provided by the utility model, as shown in Figure 1, Figure 4 and Figure 5, a kind of big mass comparator
The difference of counterweight high-precision calibration device, the present embodiment and the first embodiment is the setting of centering component 20.
It further include centering component 20 in the present embodiment, centering component 20 can be used on the basis of the first embodiment
The angle between weighing plate 50 and pedestal 10 is adjusted, the angle between weighing plate 50 and pedestal 10 is 0~3 °, i.e. centering component 20
The maximum angle that weighing plate 50 can be deflected is 3 °.
By the setting for component 20 of feeling relieved, the adjusting of counterweight position of centre of gravity, and the load frame 40 by moving are realized, to
When direction far from pedestal 10 moves, the position of centre of gravity of counterweight can be changed, and realized the centering weighing of counterweight, reduced counterweight
The possibility for generating uneven loading error, increases the accuracy and stability of calibration of weight.
According to the improvement of above-described embodiment, in the present embodiment, when weighing plate 50 tilts, loading bench 41 is far from pedestal 10
Spacing between side and pedestal 10, less than the minimum spacing between side of the support construction 30 far from pedestal 10 and pedestal 10,
I.e. since the center of the center of gravity of counterweight and centering component 20 is not in same position, centering component 20 controls weighing plate 50 and tilts
When, the upside of loading bench 41 is still within horizontality, but support construction 30 follows the weighing plate 50 to tilt, loading bench 41 it is upper
Side still is able to the bottom lower than 30 upside of support construction.
In the present embodiment, by the restriction of loading bench 41 and 30 height of support construction under 50 heeling condition of weighing plate, when adding
It carries frame 40 to be arranged when on pedestal 10, counterweight is kept completely separate with loading bench 41, and counterweight can be supported by support construction 30 completely, is claimed
Amount disk 50 can get the quality of counterweight.
Specifically, centering component 20 includes idler wheel 21 and sliding seat 22, and idler wheel 21 is rotatably dispose in bottom along its axis direction
Seat 10, the upside of pedestal 10 can be arranged in idler wheel 21；Idler wheel 21 is set as two groups, and the axis of two groups of idler wheels 21 is parallel, and two groups
The left and right ends of 10 upside of pedestal are arranged in idler wheel 21, and the axis of two groups of idler wheels 21 is horizontally disposed.
The downside of weighing plate 50 can be arranged in sliding seat 22, and sliding seat 22 includes the bearing surface being connected on idler wheel 21,
It is obliquely installed by bearing surface, sliding seat 22 is set as two groups, and the bearing surface inclined direction of two groups of sliding seats 22 is opposite；Two groups of cunnings
When the bearing surface inclined direction of dynamic seat 22 is opposite, the component size phase of the support force that two groups of sliding seats 22 are subject in the horizontal direction
Together, but it is contrary；The component of the support force that two groups of sliding seats 22 are subject in the vertical direction is upward, and two vertical directions
On the sum of component it is identical as the gravity size of weighing plate 50, therefore, sliding seat 22 may be provided on centering component 20.
In the present embodiment, when counterweight is placed in support construction 30, the support force that two sliding seats 22 are subject to changes, and claims
Measure disk 50 under the effect of gravity, sliding seat 22 is connected to idler wheel 21 always, the change of 50 center of gravity of weighing plate is realized, until two groups
The gravitational equilibrium of support force and counterweight, weighing plate 50 that sliding seat 22 is subject to, centering component 20 realize the deflection of weighing plate 50.
Specifically, the section of sliding seat 22 can be triangle or trapezoidal, but face and ladder where hypotenuse
Face where the bevel edge of shape can be connected to simultaneously rolling as the bearing surface of sliding seat 22, the bearing surface of two sliding seats 22
On wheel 21；Idler wheel 21 can be chosen for bearing.
Spacing between the axis of two groups of idler wheels 21 and 50 center of weighing plate is identical, and therefore, two groups of idler wheels 21 can be chosen
The idler wheel 21 of same size, and when weighing plate 50 does not install counterweight, weighing plate 50 can be in a horizontal state, and increase weighing plate
50 stability reduces the inclined possibility of weighing plate 50.
Every group of sliding seat 22 is set as multiple, and the quantity of every group of sliding seat 22 and the quantity of idler wheel 21 are set as identical, tool
Body, in the present embodiment, every group of sliding seat 22 is disposed as two, and the rear and front end of pedestal 10 is arranged in two sliding seats 22.
By the restriction of sliding seat 22 and 21 quantity of idler wheel, the constraint between centering component 20 and weighing plate 50 is increased, title is reduced
The possibility that amount disk 50 shakes on centering component 20, increases the stability of weighing plate 50.
Spacing of the inclined surface of two groups of sliding seats 22 between one end of pedestal 10, less than the inclination of two groups of sliding seats 22
Spacing between the one end of face far from pedestal 10, i.e., the exterior normal direction of the inclined surface of two groups sliding seats 22 is to the outer of pedestal 10
Side lower end extends；When the section of sliding seat 22 is triangle or is trapezoidal, the bearing surface of two sliding seats 22 can be towards outside.
User is when weighing plate 50 to be mounted on idler wheel 21, since the spacing between the lower end of two groups of sliding seats 22 is less than
Two groups of sliding seats 22 can be directly placed between two groups of idler wheels 21 by the spacing between two groups of idler wheels 21, user, and user unclamps
After weighing plate 50, weighing plate 50 can under the effect of gravity, and two groups of sliding seats 22 are connected on two groups of idler wheels 21, and weighing plate
50 center of gravity can be located at the position of centre of gravity of centering component 20.
By the restriction of 22 shape of sliding seat, directly two sliding seats 22 of 50 lower end of weighing plate are connected to convenient for user
On two idler wheels 21, the operation of user is facilitated.
Centering component 20 further includes abutting block 23, and abutting block 23 can be arranged on pedestal 10, and support for sliding seat 22
It connects, when sliding seat 22, which is connected to, to abut on block 23, weighing plate 50 can be inclined on centering component 20, when the counterweight
When not being placed in the support construction 30, weighing plate 50 is at horizontality, abuts and sets between block 23 and sliding seat 22
There is certain spacing.
Component 20 of feeling relieved controls in 50 tilting procedure of weighing plate, and by abutting the setting of block 23, sliding seat 22 can be abutted
On abutting block 23, the possibility that sliding seat 22 continues movement is reduced, the possibility for then weighing plate 50 being driven to move reduces title
The possibility for measuring 50 excessive deflection of disk, increases the reliability of 50 deflection process of weighing plate；By the setting of spacing, title can be realized
Measure the tilting action of disk 50.
Preferably, when sliding seat 22, which is connected to, abuts block 23, the angle between weighing plate 50 and pedestal 10 is 1 °~3 °,
Preferably, above-mentioned angle is 1.5 °.When being connected on abutting by sliding seat 22, sliding seat 22 is in extreme position, and passes through
The angle between weighing plate 50 and pedestal 10 is controlled, the possibility that counterweight slides in support construction 30 is reduced, increases counterweight
Stability in support construction 30.
As shown in fig. 6, the process of calibration of weight weighing plate 50 is as follows:
S1, counterweight is placed in load frame.
S2, vertically downwards mobile load frame, are installed on pedestal for the load frame.
Whether the angle between S3, analysis weighing plate and the pedestal is less than default angle.
S4, when the angle between the weighing plate and the pedestal is less than default angle, the calibration of counterweight weighing disk
It completes.
S5, when the angle between the weighing plate and the pedestal is greater than or equal to default angle, along the vertical direction to
Upper mobile load frame re-execute the steps mobile load frame vertically downwards until the counterweight is detached from support construction, will
The load frame is installed on pedestal.
It will be placed on first with the counterweight of 50 range corresponding mass of weighing plate the bottom of from when user needs to calibrate weighing plate 50
The center of gravity in the load frame 40 removed on seat 10, that is, referring to and counterweight being placed on loading bench 41, and control counterweight approaches as far as possible to be added
The center of frame 40 is carried, counterweight, which is placed, to be completed.
Load frame 40 is moved to the upside of support construction 30, and is placed on downwards on pedestal 10, in placement process, due to
The upside of loading bench 41 is lower than the upside of support construction 30, therefore, when the upside of loading bench 41 and the upside of support construction 30
When concordant, counterweight can be connected to simultaneously on loading bench 41 and support construction 30.
When load frame 40 continues to move downward, until when load frame 40 is mounted on pedestal 10, counterweight and loading bench 41
Separation, support construction 30 support counterweight, when the center of gravity of the center of gravity of counterweight and weighing plate 50 is not in same position, due to weighing plate
50 center of gravity is located at the center of centering component 20, i.e., the center of gravity of counterweight is not at the center for component 20 of feeling relieved, counterweight and weighing plate
50 combined center of gravity is not also on the center of centering component 20, therefore, centering component 20 can adjust the weighing plate 50 with
Angle between pedestal 10 then has adjusted the combined center of gravity of counterweight Yu weighing plate 50, until the group of counterweight and weighing plate 50
The center of gravity of conjunction is located at the center of centering component 20, that is, referring to adjust weighing plate 50 becomes heeling condition.
It is above-mentioned it is in stable condition after, mobile load frame 40 straight up, weighing plate 50 is under the action of feel relieved component 20, recovery
To horizontality, i.e. for the center of gravity of weighing plate 50 under the center of centering component 20, current state, counterweight passes through a position
Change, the spacing between the center of gravity of the counterweight after change and the center for component 20 of feeling relieved reduce, and execute above-mentioned steps again.
When user with the load frame 40 of counterweight by being placed on pedestal 10, user can by observation weighing plate 50 with
Angle between pedestal 10, that is, judge whether the angle between weighing plate 50 and pedestal 10 is less than default angle, i.e. weighing plate 50
Inclined degree, come determine the center of gravity of counterweight whether meet the requirements and current state under caused uneven loading error can receive,
And as the foundation for whether needing to be weighed again.In the present embodiment, default angle can be chosen for 0.2 °, and being capable of foundation
The needs of user and be modified.
In the present embodiment, by the restriction of loading bench 41 and 30 height of support construction, and the load frame being detachably connected
40, in load frame 40 along the direction motion process close to pedestal 10, counterweight can be moved to support construction from loading bench 41
On 30, the separation of counterweight Yu loading bench 41 is realized；By the setting for component 20 of feeling relieved, the tune of counterweight position of centre of gravity is realized
Section, and by the load frame 40 of movement, when moving again to the direction far from pedestal 10, the position of centre of gravity of counterweight can be changed,
Calibration of the weighing plate 50 to counterweight is realized, accuracy and stability when comparator calibration of weight are increased.
It should be noted that above-described embodiment can be freely combined as needed.The above is only the utility model
Preferred embodiment, it is noted that for those skilled in the art, do not departing from the utility model principle
Under the premise of, several improvements and modifications can also be made, these improvements and modifications also should be regarded as the protection scope of the utility model.
Claims (9)
1. a kind of big mass comparator counterweight high-precision calibration device characterized by comprising
Pedestal, the pedestal are equipped with the weighing plate for weighing counterweight；
Support construction is set to the weighing plate, and the support construction is equipped with supporting gap, and the width of the supporting gap is small
In the diameter of the counterweight；
Frame is loaded, is removably attachable to the pedestal, the load frame includes the loading bench for being used to support the counterweight；
When the load frame is arranged on the base, the loading bench is set in the supporting gap, the loading bench
Spacing between side and the pedestal far from the pedestal, side and institute less than the support construction far from the pedestal
State the spacing between pedestal；
When the load frame is arranged on the base, gap is equipped between the loading bench and the support construction.
2. a kind of big mass comparator counterweight high-precision calibration device according to claim 1, which is characterized in that the branch
Support structure includes:
Prong plate, the prong plate are set as multiple, and multiple prong plates are set to along the direction perpendicular to the weighing plate
The weighing plate；
Multiple prong plates are parallel to each other, and form the supporting gap between the adjacent prong plate.
3. a kind of big mass comparator counterweight high-precision calibration device according to claim 2, it is characterised in that:
The weighing plate is equipped with multiple slots far from the side of the pedestal, and the prong plate is plugged in the slot.
4. a kind of big mass comparator counterweight high-precision calibration device according to claim 2, which is characterized in that described to add
Microscope carrier includes:
Load plate, the load plate are set as multiple, and the load plate is arranged along the direction perpendicular to the weighing plate, adjacent institute
It states and is equipped with load gap between load plate；
When the load frame is arranged on the base, the loading bench is staggered with the support construction, the load
Plate is set in the supporting gap, and the support construction is arranged in the load gap.
5. a kind of big mass comparator counterweight high-precision calibration device according to claim 1, which is characterized in that the branch
Support structure includes:
Prong item, the prong item are set as multiple, and multiple prong items are set to along the direction perpendicular to the weighing plate
The weighing plate, multiple prong strip arrays are distributed in the weighing plate, form the support between the adjacent prong item
Gap.
6. a kind of big mass comparator counterweight high-precision calibration device according to claim 5, which is characterized in that described to add
Microscope carrier includes:
First load bar, first load bar are set as multiple, and multiple first load bars are parallel to each other；
Second load bar, second load bar are set as multiple, and multiple second load bars are parallel to each other, and described second adds
Bar is carried perpendicular to first load bar；
Two neighboring first load bar and two neighboring second load bar form loading hole；
When the load frame is arranged on the base, the prong item is plugged in the loading hole, first load
Bar and second load bar are set in the supporting gap.
7. a kind of big mass comparator counterweight high-precision calibration device according to claim 1, it is characterised in that:
It is additionally provided with multiple guide frames on the pedestal, the placing groove for loading frame placement is offered on the guide frame；
It is identical as the load shape of frame bottom surface that multiple guide frames surround the shape formed.
8. a kind of big mass comparator counterweight high-precision calibration device described according to claim 1~any one of 7, special
Sign is, further includes:
Feel relieved component, the centering component is used to adjust angle between the weighing plate and the pedestal, the weighing plate with
Angle between the pedestal is 0~3 °.
9. a kind of big mass comparator counterweight high-precision calibration device according to claim 8, it is characterised in that:
When weighing plate inclination, spacing between side and the pedestal of the loading bench far from the pedestal is less than
Minimum spacing between side and the pedestal of the support construction far from the pedestal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821856836.1U CN209181900U (en) | 2018-11-12 | 2018-11-12 | A kind of big mass comparator counterweight high-precision calibration device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821856836.1U CN209181900U (en) | 2018-11-12 | 2018-11-12 | A kind of big mass comparator counterweight high-precision calibration device |
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| CN209181900U true CN209181900U (en) | 2019-07-30 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109470351A (en) * | 2018-11-12 | 2019-03-15 | 上海市计量测试技术研究院(华东国家计量测试中心、上海市计量器具强制检定中心、中国上海测试中心) | A kind of big mass comparator calibration of weight device |
-
2018
- 2018-11-12 CN CN201821856836.1U patent/CN209181900U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109470351A (en) * | 2018-11-12 | 2019-03-15 | 上海市计量测试技术研究院(华东国家计量测试中心、上海市计量器具强制检定中心、中国上海测试中心) | A kind of big mass comparator calibration of weight device |
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