CN206019918U - A kind of accuracy detecting device and force value comparison machine for force standard machines - Google Patents
A kind of accuracy detecting device and force value comparison machine for force standard machines Download PDFInfo
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- CN206019918U CN206019918U CN201620809264.6U CN201620809264U CN206019918U CN 206019918 U CN206019918 U CN 206019918U CN 201620809264 U CN201620809264 U CN 201620809264U CN 206019918 U CN206019918 U CN 206019918U
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- force
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Abstract
The utility model discloses a kind of accuracy detecting device and force value comparison machine for force standard machines, it is characterized in that, described accuracy detecting device (1) includes first hydraulic cylinder (2), pipeline (6) and force loading device, wherein：Liquid medium is provided with first hydraulic cylinder (2) and its liquid level area is given value；Described pipeline (6) are tubular structure, and its one end connected with the liquid medium in the first hydraulic cylinder (2)；The force loading device can be acted in the liquid medium in the first hydraulic cylinder (2) so as to produce the increment of pressure.This utility model solves problems of the prior art, it is achieved that the detection and verification to the precision of Hydraulic Standard Force Meter, simple structure, takes up room little, easy to operate.
Description
Technical field
This utility model is related to a kind of accuracy detecting device for force standard machines, force value and compares machine and force standard machines essence
Degree detection method, belongs to mechanical measurement field.
Background technology
Great force value (hundreds of ton to a few kiloton, tens of thousands of tons are to hundreds of thousands ton) is accurately measured, always international and national urgency
The difficult point that need to be solved, is space state at present.In theory, such as can be used to examine and determine tested sensor with tens of thousands of tons of counterweights, then its
Apparatus is very huge, involves great expense, and therefore cannot realize.
Utility model content
The purpose of this utility model is the essence for proposing a kind of simple structure and can be used in detecting great force value force standard machines
The apparatus and method of degree.
As one of theme of utility model, a kind of accuracy detecting device for force standard machines, it is characterised in that
The accuracy detecting device includes first hydraulic cylinder, pipeline and force loading device, wherein：
Liquid medium is provided with the first hydraulic cylinder and its liquid level area is given value；
The pipeline is tubular structure, and its one end connected with the liquid medium in the first hydraulic cylinder；
The force loading device can be acted in the liquid medium in the first hydraulic cylinder so as to produce the increasing of pressure
Amount.
As further improvement of the utility model, also include that the first measurement apparatus, first measurement apparatus are used for institute
The measurement of the pressure value or pressure values on first hydraulic cylinder liquid level is stated, and its certainty of measurement value is given value.
As further improvement of the utility model, also include that its end face is contacted with the liquid level in the first hydraulic cylinder,
Its side is slidingly sealed the first piston being connected on the inwall of the first hydraulic cylinder, and first measurement apparatus are used for measuring
Act on the pressure value or pressure values on the first piston end face.
Used as further improvement of the utility model, the force loading device is acted on the first piston, and can
Make the first piston compress in the first hydraulic cylinder direction of liquid medium or with the party in the opposite direction on produce
The increment of a raw power, first measurement apparatus act on adding on the first piston for measuring the force loading device
Carry the numerical value of power.
One of theme of the present utility model, a kind of force value compare machine, it is characterised in that including claim-middle institute
The accuracy detecting device that states and force standard machines to be measured, the force standard machines to be measured include：
The second hydraulic cylinder of liquid medium be inside provided with, the liquid in the other end of the pipeline and the second hydraulic cylinder
Medium is connected；
Its end face is contacted with the liquid level in the second hydraulic cylinder, and its side is slidingly sealed and is connected to the second hydraulic cylinder
Inwall on second piston, the face area of the second piston is known or can be learnt by measurement；
Second measurement apparatus of the active force numerical value being carried in for measurement in the second piston, the second measurement dress
The certainty of measurement value that puts is unknown-value.
Used as further improvement of the utility model, the 3rd measurement apparatus are carried in the second piston for measurement
On active force numerical value, and its certainty of measurement value be given value.
One of theme of the present utility model, a kind of force standard machines accuracy checking method, it is characterised in that including following
Step：
S1, measurement apparatus known to certainty of measurement are connected with force standard machines by pipeline, wherein：
The measurement apparatus include：It is provided with the first hydraulic cylinder of liquid medium and liquid level area S1 for given value；For to institute
State the force loading device for applying active force on the liquid medium in first hydraulic cylinder；
The force standard machines includes：It is provided with the second hydraulic cylinder of liquid medium；End face is contacted with the liquid level in second hydraulic cylinder
And side is slidingly sealed the second piston being connected on second hydraulic cylinder inwall；The effect acted in second piston can be measured
The second unknown measurement apparatus of power and its certainty of measurement, the area S2 of the second piston is known or can be learnt by measurement；
The pipeline is hollow tubular structures, and its two ends is situated between with the liquid in first hydraulic cylinder and second hydraulic cylinder respectively
Matter is connected；
S2, the first directed force F 1 is loaded into the first hydraulic cylinder by the force loading device, surveyed described second
The second force value F2 is obtained in amount device；
S3, by the force loading device continue into the first hydraulic cylinder increase the 3rd directed force F 3, the 3rd make
Firmly F3 causes not produce numerical fluctuations in second measurement apparatus, the 3rd directed force F 3 and first directed force F 1
Between ratio be a%, ratio a% be given value；
S4, continued to increasing action force value in the first hydraulic cylinder by the force loading device, until described second
In measurement apparatus produce numerical fluctuations, and record make in second measurement apparatus produce numerical fluctuations when, described inner loading dress
Put applied wave action force value Fn；
S5, the certainty of measurement for calculating the second measurement apparatus, the certainty of measurement are equal toOr
As further improvement of the utility model, further comprising the steps of between step S1 and step S2:
S1.1, in the second piston, connection can measure the force value that acts in the second piston and which is surveyed
3rd measurement apparatus known to accuracy of measurement；
S1.2, loaded into the first hydraulic cylinder by the force loading device first measurement directed force F 10, described
Second being obtained in 3rd measurement apparatus and measuring force value F20, the area S2 of the second piston is equal to
Used as further improvement of the utility model, the measurement apparatus in step S1 also include first piston and first
Measurement apparatus, wherein：
The first piston, its end face are contacted with the liquid level in the first hydraulic cylinder, and its side is slidingly sealed and is connected to
On the inwall of the first hydraulic cylinder；
The force loading device is acted on the first piston, and can make the first piston in compression described first
In hydraulic cylinder the direction of liquid medium or with the party's upper increment for producing a power in the opposite direction,
First measurement apparatus are to act on the loading force on the first piston for measuring the force loading device
Numerical value.
The beneficial effects of the utility model are, arrange accuracy detecting device, by the on accuracy detecting device during use
The second oil cylinder on one oil cylinder and force standard machines to be measured passes through pipeline connection, according to pascal's principle, in the first oil cylinder
The active force of a known numeric value is loaded on liquid medium, while knowing the first in-oil cylinder active force area and the second oil cylinder
Interior active force area, can be in the hope of the corresponding value in second piston of the active force, i.e., the active force reading on force standard machines
Value, continues loading effect power on the first oil cylinder, and the reading to the force standard machines produces minima fluctuation, then can be in power
The active force of numerical fluctuations is produced on Standard Machine and the ratio between the active force of the known numeric value of loading is power for the first time
The certainty of measurement value of Standard Machine.
Description of the drawings
Fig. 1 is structural representation of the present utility model.
In figure：1- accuracy detecting devices；2- first hydraulic cylinders；6- pipelines；The first measurement apparatus of 8-；10- first pistons；
12- force standard machineses；14- second hydraulic cylinders；16- second pistons；The second measurement apparatus of 18-.
Specific embodiment
The technical solution of the utility model is further illustrated below in conjunction with the accompanying drawings and by specific embodiment.
Such as Fig. 1, accuracy detecting device described in the utility model 1 include first hydraulic cylinder 2, pipeline 6 and force loading device,
Wherein：
Liquid medium is provided with the first hydraulic cylinder 2 and its liquid level area is given value；
The pipeline 6 is tubular structure, and its one end connected with the liquid medium in the first hydraulic cylinder 2；
The force loading device can be acted in the liquid medium in the first hydraulic cylinder 2 so as to produce pressure
Increment.
As further improvement of the utility model, also include that the first measurement apparatus 8, first measurement apparatus 8 are used for
The measurement of pressure value or pressure values on 2 liquid level of the first hydraulic cylinder, and its certainty of measurement value is given value.
As further improvement of the utility model, also include that its end face is contacted with the liquid level in the first hydraulic cylinder 2,
Its side is slidingly sealed the first piston 10 being connected on the inwall of the first hydraulic cylinder 2, and first measurement apparatus 8 are used for
Measurement acts on pressure value or pressure values on 10 end face of the first piston.
Used as further improvement of the utility model, the force loading device is acted on the first piston 10, and energy
The first piston 10 is enough made to compress in the first hydraulic cylinder 2 direction of liquid medium or with the party in the opposite direction
The upper increment for producing a power, first measurement apparatus 8 act on the first piston for measuring the force loading device
The numerical value of the loading force on 10.
One of theme of the present utility model, a kind of force value compare machine, it is characterised in that including claim-middle institute
The accuracy detecting device 1 that states and force standard machines 12 to be measured, the force standard machines 12 to be measured include：
The second hydraulic cylinder 14 of liquid medium be inside provided with, in the other end of the pipeline 6 and the second hydraulic cylinder 14
Liquid medium connection；
Its end face is contacted with the liquid level in the second hydraulic cylinder 14, and its side is slidingly sealed and is connected to second hydraulic pressure
Second piston 16 on the inwall of cylinder 14, the face area of the second piston 16 is known or can be learnt by measurement；
Second measurement apparatus 18 of the active force numerical value being carried in for measurement in the second piston 16, described second surveys
The certainty of measurement value of amount device 18 is unknown-value.
Used as further improvement of the utility model, the 3rd measurement apparatus are carried in the second piston for measurement
Active force numerical value on 16, and its certainty of measurement value is given value.
One of theme of the present utility model, a kind of 12 accuracy checking method of force standard machines, it is characterised in that include with
Lower step：
S1, measurement apparatus known to certainty of measurement are connected with force standard machines 12 by pipeline 6, wherein：
The measurement apparatus include：It is provided with the first hydraulic cylinder 2 of liquid medium and liquid level area S1 for given value；For to institute
State the force loading device for applying active force on the liquid medium in first hydraulic cylinder 2；
The force standard machines 12 includes：It is provided with the second hydraulic cylinder 14 of liquid medium；Liquid in end face and second hydraulic cylinder 14
Face contacts and side is slidingly sealed the second piston 16 being connected on 14 inwall of second hydraulic cylinder；Can measure and act on the second work
Active force and the second unknown measurement apparatus 18 of its certainty of measurement on plug 16, the area S2 of the second piston 16 known or
Can be learnt by measurement；
The pipeline 6 be hollow tubular structures, its two ends respectively with first hydraulic cylinder 2 and second hydraulic cylinder 14 in liquid
Body medium is connected；
S2, the first directed force F 1 is loaded into the first hydraulic cylinder 2 by the force loading device, surveyed described second
The second force value F2 is obtained in amount device 18；
S3, by the force loading device continue into the first hydraulic cylinder 2 increase the 3rd directed force F 3, the 3rd make
Firmly F3 causes not produce numerical fluctuations in second measurement apparatus 18, the 3rd directed force F 3 and first active force
Ratio between F1 is a%, and ratio a% is given value；
S4, continued to increasing action force value in the first hydraulic cylinder 2 by the force loading device, until described second
In measurement apparatus 18 produce numerical fluctuations, and record make in second measurement apparatus 18 produce numerical fluctuations when, described in plus
Carry and put applied wave action force value Fn；
S5, the certainty of measurement for calculating the second measurement apparatus 18, the certainty of measurement are equal toOr
As further improvement of the utility model, further comprising the steps of between step S1 and step S2:
S1.1, in the second piston 16 connection can measure the force value that acts in the second piston 16 and
3rd measurement apparatus known to its certainty of measurement；
S1.2, loaded into the first hydraulic cylinder 2 by the force loading device first measurement directed force F 10, in institute
State, the area S2 of the second piston 16 is equal to
Used as further improvement of the utility model, the measurement apparatus in step S1 also include first piston 10 and
One measurement apparatus 8, wherein：
The first piston 10, its end face are contacted with the liquid level in the first hydraulic cylinder 2, and its side is slidingly sealed connection
On the inwall of the first hydraulic cylinder 2；
The force loading device is acted on the first piston 10, and the first piston 10 can be made described in compression
In first hydraulic cylinder 2 direction of liquid medium or with the party's upper increment for producing a power in the opposite direction,
First measurement apparatus 8 are to act on the loading on the first piston 10 for measuring the force loading device
The numerical value of power.
Embodiment one：
(1) first piston 10 known to is 1 to 1000 with the area ratio of second piston 16, the measurement essence of the first measurement apparatus 8
Spend for 0.1%；
(2) active force of a 1t is loaded on first piston 10, then the number of degrees obtained in the second measurement apparatus 18
It is exactly 1000t；
(3) active force of a 1kg is loaded on first piston 10 on the basis of the above again, now the second measurement apparatus 18
On do not produce numerical fluctuations；
(4) continue on the basis of step 3 to loading effect power on first piston 10, the amount for increasing every time is 1kg, knows
When 5kg is increased to, the second measurement apparatus 18 generate the fluctuation of data in road；
(5) 5kg is multiplied by area ratio, and the pressure value which is reflected in second hydraulic cylinder 14 should be 5t, then force standard machines
12 certainty of measurement value be 5t/1000t, as 0.5%.
Embodiment two：
(1) certainty of measurement of the first measurement apparatus 8 known to is 0.1%, the face between first piston 10 and second piston 16
Product now increases the 3rd measurement apparatus known to a precision in second piston 16 than unknown；
(2) by the power of one 200kg of loading on first piston 10, the reading obtained in the 3rd measurement apparatus is
200t, then the area ratio between first piston 10 and second piston 16 is equal to 200kg/200t, is 1 to 1000；
(3) active force of a 1t is loaded on first piston 10, then the number of degrees obtained in the second measurement apparatus 18
It is exactly 1000t；
(4) active force of a 1kg is loaded on first piston 10 on the basis of the above again, now the second measurement apparatus 18
On do not produce numerical fluctuations；
(5) continue on the basis of step 4 to loading effect power on first piston 10, the amount for increasing every time is 1kg, knows
When 5kg is increased to, the second measurement apparatus 18 generate the fluctuation of data in road；
(6) 5kg is multiplied by area ratio, and the pressure value which is reflected in second hydraulic cylinder 14 should be 5t, then force standard machines
12 certainty of measurement value be 5t/1000t, as 0.5%.
Know-why of the present utility model is described above in association with specific embodiment.These descriptions are intended merely to explain this reality
With new principle, and the restriction to this utility model protection domain can not be construed to by any way.Based on explanation herein,
Those skilled in the art associates other specific embodiments of the present utility model by need not paying performing creative labour,
These modes are fallen within protection domain of the present utility model.
Claims (6)
1. a kind of accuracy detecting device for force standard machines, it is characterised in that described accuracy detecting device (1) includes the first liquid
Cylinder pressure (2), pipeline (6) and force loading device, wherein：
Liquid medium is provided with first hydraulic cylinder (2) and its liquid level area is given value；
Described pipeline (6) are tubular structure, and its one end connected with the liquid medium in the first hydraulic cylinder (2)；
The force loading device can be acted in the liquid medium in the first hydraulic cylinder (2) so as to produce the increasing of pressure
Amount.
2. a kind of accuracy detecting device for force standard machines according to claim 1, it is characterised in that also include first
Measurement apparatus (8), described first measurement apparatus (8) are used for the pressure value on the first hydraulic cylinder (2) liquid level or pressure values
Measurement, and its certainty of measurement value be given value.
3. a kind of accuracy detecting device for force standard machines according to claim 2, it is characterised in that also include its end
Face is contacted with the liquid level in the first hydraulic cylinder (2), and its side is slidingly sealed the inwall for being connected to the first hydraulic cylinder (2)
On first piston (10), the first measurement apparatus (8) act on pressure on the first piston (10) end face for measurement
Force value or pressure values.
4. a kind of accuracy detecting device for force standard machines according to claim 3, it is characterised in that the power loading
Device is acted on the first piston (10), and the first piston (10) can be made to compress first hydraulic cylinder (2)
The direction of interior liquid medium goes up the increment for producing a power, the first measurement apparatus (8) in the opposite direction with the party
The numerical value of the loading force on the first piston (10) is acted on for measuring the force loading device.
5. a kind of force value compares machine, it is characterised in that including the accuracy detecting device (1) described in claim 1-4 and treat
The force standard machines (12) of survey, the force standard machines (12) to be measured include：
The second hydraulic cylinder (14) of liquid medium be inside provided with, the other end of pipeline (6) and the second hydraulic cylinder (14)
Interior liquid medium connection；
Its end face is contacted with the liquid level in the second hydraulic cylinder (14), and its side is slidingly sealed and is connected to the second hydraulic cylinder
(14) second piston (16) on inwall, the face area of second piston (16) is known or can be learnt by measurement；
Second measurement apparatus (18) of the active force numerical value being carried in for measurement in the second piston (16), described second surveys
The certainty of measurement value of amount device (18) is unknown-value.
6. a kind of force value according to claim 5 compares machine, it is characterised in that also include the 3rd measurement apparatus, and described the
Three measurement apparatus are carried in the active force numerical value in the second piston (16) for measurement, and its certainty of measurement value is known
Value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620809264.6U CN206019918U (en) | 2016-07-29 | 2016-07-29 | A kind of accuracy detecting device and force value comparison machine for force standard machines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620809264.6U CN206019918U (en) | 2016-07-29 | 2016-07-29 | A kind of accuracy detecting device and force value comparison machine for force standard machines |
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| Publication Number | Publication Date |
|---|---|
| CN206019918U true CN206019918U (en) | 2017-03-15 |
Family
ID=58246104
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620809264.6U Withdrawn - After Issue CN206019918U (en) | 2016-07-29 | 2016-07-29 | A kind of accuracy detecting device and force value comparison machine for force standard machines |
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| CN (1) | CN206019918U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106017793A (en) * | 2016-07-29 | 2016-10-12 | 昆山市创新科技检测仪器有限公司 | Precision detecting device for force standard machine, force value comparison machine and force standard machine precision detection method |
| CN108534948A (en) * | 2018-04-02 | 2018-09-14 | 中国矿业大学 | A kind of on-line measuring device and method of mining pressure sensor |
-
2016
- 2016-07-29 CN CN201620809264.6U patent/CN206019918U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106017793A (en) * | 2016-07-29 | 2016-10-12 | 昆山市创新科技检测仪器有限公司 | Precision detecting device for force standard machine, force value comparison machine and force standard machine precision detection method |
| WO2018019303A1 (en) * | 2016-07-29 | 2018-02-01 | 昆山市创新科技检测仪器有限公司 | Precision measurement device for force standard machine, and force value comparison machine |
| CN106017793B (en) * | 2016-07-29 | 2019-08-02 | 昆山市创新科技检测仪器有限公司 | It is a kind of to compare machine and force standard machines accuracy checking method for the accuracy detecting device of force standard machines, force value |
| US11118994B2 (en) | 2016-07-29 | 2021-09-14 | Kunshan Innovation Testing Instruments Co., Ltd. | Precision detection device for force standard machine, force value comparison machine and precision detection method for force standard machine |
| CN108534948A (en) * | 2018-04-02 | 2018-09-14 | 中国矿业大学 | A kind of on-line measuring device and method of mining pressure sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170315 Effective date of abandoning: 20190802 |