CN107621301A - Scale including overload protection - Google Patents
Scale including overload protection Download PDFInfo
- Publication number
- CN107621301A CN107621301A CN201710570343.5A CN201710570343A CN107621301A CN 107621301 A CN107621301 A CN 107621301A CN 201710570343 A CN201710570343 A CN 201710570343A CN 107621301 A CN107621301 A CN 107621301A
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- CN
- China
- Prior art keywords
- platform
- bar
- energy absorption
- overload
- scale
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G23/00—Auxiliary devices for weighing apparatus
- G01G23/005—Means for preventing overload
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Vibration Dampers (AREA)
- Measurement Of Force In General (AREA)
- Superstructure Of Vehicle (AREA)
Abstract
The present invention provides a kind of scale, and it includes being used to receive load and the platform (2) on lower platform (3), and lower platform (3) reception is simultaneously supported by pedestal (4).Platform (2) is located on lower platform (3) via energy absorption and overload limited system (14), each energy absorption and overload limited system (14) include energy absorption mechanism (15), the energy absorption mechanism (15) is inserted as the stress between platform (2) and lower platform (3), it can be moved between resting position and overload position, each energy absorption mechanism (15) is equipped with fitting (19), and the fitting is only reached in mechanism and contacted when it overloads position with pedestal (4).According to the present invention, energy absorption and overload limited system (14) are arranged on lower platform (3).
Description
Technical field
The present invention relates to the Action of Gravity Field by using body to determine the measurement apparatus of the quality of body or the technology of scale
Field.
The present invention relates more specifically to the scale of intermediate size pinpoint accuracy, such as can authenticate up to 30 from meterological
Kilogram (kg) and II grade gram (g) accuracy, or up to 150kg, III grade.
Therefore, the present invention is particularly advantageous applied to the scale placed and used on the ground.
Background technology
Routinely, scale includes being used for the platform (deck) for receiving load, and platform is located at for reception and by base supports
Lower platform (under-deck, platform lower part) on.Scale includes being used for the system for weighing to the load being placed on platform.Claim
Weight system includes at least one force snesor, measuring system, the digital processing of measurement signal and man-machine interface.
In the preferred application of the present invention, force snesor is the strain-ga(u)ge pickup using measuring strain principle.Strain is surveyed
Amount is the technology of the electric signal for mechanically deform to be converted into be measured by strain-ga(u)ge pickup.Deformeter includes very thin
Line, it is adhered on the insulating supports of resistance, and the insulating supports of the resistance do not vary with temperature actually.
Naturally, the scale of the present invention can be equipped with the force snesor using other technologies.For example, optical fiber can be used in force snesor
Or vibrational line.Principle is to obtain the electric signal for representing the mechanically deform as caused by the power applied.
It is flat when weight is placed in order to ensure sensor will not damage or be permanently deformed (this will make sensor permanent failure)
When on platform, sensor needs to be protected from impacting.Therefore, scale is equipped with the energy of weighing for exceeding scale in the weight of load
Power or the fitting (abutment) that lower platform is blocked when load declines suddenly from certain altitude.Generally, in the factory, joining
Examine and these fittings are adjusted for every group of scale by helical rotation operation when weight is placed on each position of scale.
Difficulty is that associating tolerance adjusts fitting, and the pitch of screw of the tolerance with using is relevant, flat with lower platform
Face degree is relevant with deformation, relevant with the deformation of sensor, and tolerance at most can be grade.Unsuitable regulation causes to reach
Weighed ability to maximum, or protection is invalid.In the first scenario, scale is against regulation, in the latter case, the easy quilt of scale
Destroy.It is important to adjust the fitting during manufacture, but in practice, it forms the operation for being difficult to perform very well.
Patent US4726435 describes scale, and it includes the energy absorption machine being used between insertion platform and lower platform
Structure receives the platform of the load on lower platform.Each energy absorption mechanism includes surrounding what the bar fixed to platform was installed
Spring.
Energy absorption mechanism is fixed to platform so that the manufacture of scale is more complicated, and do not allow platform with simple and
Cheap mode changes.
The content of the invention
The present invention is attempted by proposing the shortcomings that a kind of scale is to make up prior art, by using it is easy to use and need not
The protection mechanism of difficult regulation operation, when object is placed on platform, prevents title to be hit and overload, the design letter of scale
It is single, while there is the platform that inexpensive can easily change.
In order to realize such purpose, scale of the invention includes being used to receive load and the platform on lower platform, should
Lower platform reception and by base supports, scale include weighing system, and the load that weighing system is used to be placed on platform is weighed,
Platform is located on lower platform via energy absorption and overload limited system, and each energy absorption and overload limited system include energy
Absorbing mechanism, energy absorption mechanism are inserted as the stress between platform and lower platform, load that can be on platform is corresponded respectively to
Charge values are to be moved between the resting position of null value and maximum and overload position, and each energy absorption mechanism is equipped with fitting,
Fitting only mechanism reach its overload position when and base into contact.According to the present invention, energy absorption and overload limited system peace
On lower platform.
In addition, the scale of the present invention also includes at least one and/or combination of more in following supplementary features：
Each energy absorption mechanism includes spring, if spring be dimensioned so as to just absorb energy no more than overload values
Amount；
Energy absorption spring is compression helical spring or wavy spring；
Each energy absorption mechanism includes bar, is passed freely through down at the first end of bar by the continuous of platform, bar
Platform, and only when mechanism reaches it and overloads position, the fitting and base into contact that are assembled at the second end of bar；
The first end of each bar and is fastened to platform by the continuous of platform by component；
The first end of each bar by platform continuous, bar by the screw-type component with screw shell cooperation and by
It is fastened to platform；
The first end of each bar by against the bottom surface of payload reception platform and by the continuous of platform；
Each bar passes through the screw-type group with screw shell cooperation via support pads against the bottom surface of platform, the first end of bar
Part is fastened to support pads；
Each energy absorption mechanism includes spring, and the bar for being provided with fitting passes through spring；
Damping block is inserted between lower platform and fitting；
They include at least three energy absorptions and the overload limited system being arranged on lower platform；And
Weighing system is included in the force snesor being branched out when overloading.
Brief description of the drawings
Various other features are presented from description with reference to the accompanying drawings, accompanying drawing shows embodiments of the invention and non-limit
Property example processed.
Fig. 1 is the stereogram for the embodiment for showing the scale according to the present invention.
Fig. 2 is to be shown without platform, the stereogram of the scale according to the present invention as shown in Figure 1.
Fig. 3 is the cross sectional elevation of a part for scale, shows energy absorption and overload limited system according to the present invention.
Fig. 4 is the front view of a part for scale, shows the energy absorption and mistake according to the present invention in overload position
Carry limitation system.
Fig. 5 is to show the three-dimensional exploded view according to the energy absorption of the present invention and the embodiment of overload limited system.
Embodiment
It can be seen in the drawings that the present invention relates to scale 1, the top plate 2 that it includes being used to receive load is (also referred to as " flat
Platform ").Generally, platform 2 is the form of parallelogram, and it is located at the bottom plate 3 (also referred to as " lower platform ") for reception
On.Lower platform 3 for example can be made in the form of X-shaped plate, and it pedestal 4 can be supported made of in any appropriate manner.Institute
In the example shown, pedestal 4 is made into being equipped with the X-shaped plate of support feet 5.Naturally, lower platform 3 and pedestal 4 can have except only logical
The shape crossed outside the shape shown in example.
Scale 1 includes being used for the weighing system 7 for weighing to the load being placed on platform 2.Because weighing system 7 is this area
Well known to technical staff, so it is not described in detail, and the part of the present invention is not specially constructed.Weighing system 7 wraps
Include at least one force snesor 9, measuring system (not shown), the system for digital processing measurement signal and such as control
The man-machine interface 11 of display screen processed.
In the preferred application of the present invention, force snesor 9 is the strain-ga(u)ge pickup using measuring strain principle.Power senses
Device 9 has the deformeter being arranged on rod 12, and the rod is fastened between lower platform 3 and pedestal 4.Naturally, the scale of the present invention can
To be equipped with the force snesor for using other technologies (for example, using optical fiber or vibrational line).
According to the present invention, platform 2 is located on lower platform 3 by energy absorption and overload limited system 14.These systems 14
On lower platform 3.Scale 1 includes at least three energy absorptions and overload limited system 14, and in the examples illustrated in the figures,
They include four energy absorptions and overload limited system 14 for each corner being arranged on lower platform 3.
Each system 14 includes being inserted as the energy absorption mechanism 15 born between platform 2 and lower platform 3, and can be right
Should the resting position (Fig. 3) in the null value load on platform 2 and the overload position (figure corresponding to the maximum load on platform 2
4) moved between.
As long as being no more than overload values, each energy absorption mechanism 15 is dimensioned so as to absorption energy.Show in shown
In example, each energy absorption mechanism 15 includes spring 16, as long as spring 16 is designed to just absorb energy no more than overload values.Example
Such as, energy absorption spring 16 is compression helical spring or wavy spring.Naturally, each energy absorption mechanism 15 can be with its other party
Formula is made.Therefore, each energy absorption mechanism 15 can include any other part for being considered spring, such as rubber
Pad, as long as and being sized to just absorb energy no more than overload values.
The each spring 16 being inserted between platform 2 and lower platform 3 is subjected to the load on platform 2 so that it presents corresponding
Reduction length that is short in the initial length and Bi Qi initial lengths of its resting position and corresponding to its overload position.Each spring 16
And platform 2 therefore is suitable to occupy any position between two extreme position.
Each energy absorption mechanism 15 includes bar 17, and the first end 17a of bar 17 is by the lasting pressure of platform 2.The bar 17
Lower platform 3 is passed freely through via through hole 18, and fitting 19 is equipped with the 17b of its second end, only when mechanism 15 reaches it
The ability of fitting 19 contacts with pedestal 4 when overloading position.In the modification of preferred embodiment, each bar 17 passes through spring, i.e., in bullet
Extend in the circle of spring.Bar 17 moves between resting position and overload position, follows the trail of the motion of platform 2, and by any appropriate
Mode come guide translation.
Continuous of the first end 17a of each bar 17 by platform 2 so that it is against the bottom surface of platform 2, or it is tight
It is affixed to platform 2.In the examples illustrated in the figures, each bar 17 via support pads 21 against the bottom surface of platform 2.Each pad 21 is tool
There is the form of the lid for the planar support surface 21a against the bottom surface of platform 2.As an example, pad 21 is made up of plastic material.
Each bar 17 is fastened to support pads 21 in any suitable manner.In preferred embodiment shown in the drawings, each
Bar 17 is fastened to support pads 21 by screw-type component.The first end 17a of each bar 17 has screw thread, and includes with support pads 21
Screw shell (tapped housing) 23 cooperate.The system preferably in the form of suitable threaded sleeve 24 of screw shell 23
Into it is fastened in the recess 25 that support pads 21 have.
In practice, each bar 17 is the screw that its head forms fitting 19.Assemble and adjust each energy absorption machine
Structure 15 is relatively simple, once because spring 16 passes through around bar, then its be enough by bar cycle threaded sleeve 24 with
Obtain appropriate regulation.
In the above-described embodiments, platform 2 is independent relative to bar 17.It should be noted that it can provide by any known
Bar 17 is fixed on the scheme on platform 2 by the component of type.For example, each bar 17 can be by with forming in the bottom surface of platform 2
In screw shell cooperation screw-type component and be fastened on platform 2.
The second end 17b places of each bar 17 have a fitting 19, the fitting 19 be positioned in lower platform 3 and pedestal 4 it
Between.In the case of not having any load on platform 2, fitting 19 can freely carry out any motion.Fitting 19 is alternatively
Against the bottom surface of lower platform 3.According to the feature of advantageous embodiment, damping block 26 is inserted between lower platform 3 and fitting 19.Cause
This, in resting position, fitting 19 is by the damping block 26 against lower platform 3.As an example, damping block 26 is free around bar 17
Ground is installed, and its bottom is kept by fitting 19.
Translated it should be noted that damping block 26 is additionally operable to guiding bar 17.Naturally, it can design without using this damping block 26.
In the modification of the embodiment, bar 17 extends only through lower platform 3, and can guide translation by the sleeve pipe of suitable length.
In overload position, fitting 19 contacts with pedestal 4.Pedestal 4 is preferably provided with supporting boots (bearing shoes)
4a, in the event of overloading the bearing boots contacted with corresponding fitting 19.
From the description above it is inferred that the present invention scale can load exceed scale ability of weighing in the case of or work as
Load is effectively protected when declining suddenly from certain altitude.In the case of being overloaded on platform 2, fitting 19 is against pedestal
4, it is assumed that overload and shifted to pedestal 4 so that force snesor 9 will not perceive the overload.Therefore, served as setting out current, power sensing
Device 9 is branched out.
As long as being no more than overload values, energy absorption mechanism 15 is just used to absorb energy.These mechanisms contribute to platform 2 of decaying
Motion.It should be noted that return movement of the damping block 26 for bar 17 of decaying, i.e. platform 2 move away from the motion of lower platform 3.
The invention is not restricted to described and illustrated embodiment, because it can be carried out it is various modification and without departing from its model
Enclose.
Claims (12)
1. scale, including for receiving load and the platform (2) on lower platform (3), lower platform (3) reception and by pedestal
(4) support, the scale includes weighing system (7), and the weighing system is used to weigh for the load placed on the platform, institute
State platform (2) to be placed on the lower platform (3) via multiple energy absorptions and overload limited system (14), each energy absorption
Include energy absorption mechanism (15) with overload limited system (14), the energy absorption mechanism (15) is plugged as in the platform
(2) stress between the lower platform (3), can be null value and maximum in the load value on corresponding respectively to the platform
Moved between resting position and overload position, each energy absorption mechanism (15) is equipped with fitting (19), and the fitting is only
Reach in the mechanism and contacted when it overloads position with the pedestal (4), it is characterised in that the energy absorption and overload limit
System (14) is arranged on the lower platform (3).
2. scale according to claim 1, it is characterised in that each energy absorption mechanism (15) includes spring (16), described
As long as being dimensioned so as to of spring just absorbs energy no more than overload values.
3. scale according to claim 2, it is characterised in that the energy absorption spring (16) is compression helical spring or ripple
Shape spring.
4. the scale according to any one of Claim 1-3, it is characterised in that each energy absorption mechanism (15) includes bar
(17), by the continuous of the platform (2) at the first end of the bar (17), the bar (17) pass freely through it is described under
Platform (3), and only when the mechanism reaches it and overloads position, the fitting (19) of assembling at the second end of the bar
Contacted with the pedestal (4).
5. scale according to claim 4, it is characterised in that the first end of each bar (17) is held by the platform (2)
Continuous pressure, the platform is secured to by component.
6. scale according to claim 5, it is characterised in that lasting pressure of the first end of each bar (17) by the platform
Power, the bar are secured to the platform by the screw-type component with screw shell cooperation.
7. scale according to claim 4, it is characterised in that the first end of each bar (17) is by against payload reception platform
Bottom surface and by the continuous of the platform (2).
8. scale according to claim 7, it is characterised in that each bar (17) is via support pads (21) against the platform
Bottom surface, the first end of the bar (17) are fastened to the support pads by the screw-type component cooperated with screw shell (23)
(21)。
9. the scale according to any one of claim 4 to 8, it is characterised in that each energy absorption mechanism (15) includes bullet
Spring (16), the bar (17) for being provided with the fitting (19) pass through the spring.
10. the scale according to any one of claim 1 to 9, it is characterised in that damping block (26) inserts the lower platform
(3) between the fitting (19).
11. the scale according to any one of claim 1 to 10, it is characterised in that the scale is described lower flat including being arranged in
At least three energy absorptions and overload limited system (14) on platform (3).
12. the scale according to any one of claim 1 to 11, it is characterised in that the weighing system (7) is included in appearance
The force snesor (9) being branched out during overload.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1656764 | 2016-07-13 | ||
| FR1656764A FR3054033B1 (en) | 2016-07-13 | 2016-07-13 | BALANCE WITH OVERLOAD PROTECTION |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107621301A true CN107621301A (en) | 2018-01-23 |
Family
ID=56855731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710570343.5A Pending CN107621301A (en) | 2016-07-13 | 2017-07-13 | Scale including overload protection |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107621301A (en) |
| FR (1) | FR3054033B1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110692531A (en) * | 2019-10-31 | 2020-01-17 | 广州市恒胜农牧科技有限公司 | Intelligent feeding management system and feeding method for growing-finishing pigs |
| CN113825484A (en) * | 2019-05-15 | 2021-12-21 | I·M·A·工业机械自动装置股份公司 | Weighing system for capsule filling machine |
| CN114061724A (en) * | 2020-11-13 | 2022-02-18 | 伟博泰有限公司 | Force transmission piece for weighing scale or weighing unit |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4726435A (en) * | 1985-05-16 | 1988-02-23 | Tokyo Electric Co., Ltd. | Load cell weighing apparatus |
| DE29514793U1 (en) * | 1994-11-11 | 1995-11-02 | Mettler-Toledo Ag, Greifensee | Overload protection for a precision balance |
| CN1585892A (en) * | 2001-11-15 | 2005-02-23 | 梅特勒-托莱多有限公司 | Scale pan carrier having overload protection |
| CN1789929A (en) * | 2004-12-14 | 2006-06-21 | 梅特勒-托莱多有限公司 | Weighing module having an overload protection arrangement |
| CN101271014A (en) * | 2007-02-13 | 2008-09-24 | 梅特勒-托利多公开股份有限公司 | Metering device with striking mechanism |
| CN203413025U (en) * | 2013-06-27 | 2014-01-29 | 常州恒尔称重设备制造有限公司 | Steel buffer scale |
| CN204057836U (en) * | 2014-09-02 | 2014-12-31 | 河南重工起重机集团有限公司 | The crashproof inhibiting device of a kind of hoist ceiling crane |
| CN205262595U (en) * | 2015-12-30 | 2016-05-25 | 天津华北衡器有限公司 | Novel anti -skidding weighing machine construct |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2110392A (en) * | 1981-11-24 | 1983-06-15 | Berkel Patent Nv | Overload protection device |
-
2016
- 2016-07-13 FR FR1656764A patent/FR3054033B1/en active Active
-
2017
- 2017-07-13 CN CN201710570343.5A patent/CN107621301A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4726435A (en) * | 1985-05-16 | 1988-02-23 | Tokyo Electric Co., Ltd. | Load cell weighing apparatus |
| DE29514793U1 (en) * | 1994-11-11 | 1995-11-02 | Mettler-Toledo Ag, Greifensee | Overload protection for a precision balance |
| CN1585892A (en) * | 2001-11-15 | 2005-02-23 | 梅特勒-托莱多有限公司 | Scale pan carrier having overload protection |
| CN1789929A (en) * | 2004-12-14 | 2006-06-21 | 梅特勒-托莱多有限公司 | Weighing module having an overload protection arrangement |
| CN101271014A (en) * | 2007-02-13 | 2008-09-24 | 梅特勒-托利多公开股份有限公司 | Metering device with striking mechanism |
| CN203413025U (en) * | 2013-06-27 | 2014-01-29 | 常州恒尔称重设备制造有限公司 | Steel buffer scale |
| CN204057836U (en) * | 2014-09-02 | 2014-12-31 | 河南重工起重机集团有限公司 | The crashproof inhibiting device of a kind of hoist ceiling crane |
| CN205262595U (en) * | 2015-12-30 | 2016-05-25 | 天津华北衡器有限公司 | Novel anti -skidding weighing machine construct |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113825484A (en) * | 2019-05-15 | 2021-12-21 | I·M·A·工业机械自动装置股份公司 | Weighing system for capsule filling machine |
| CN113825484B (en) * | 2019-05-15 | 2023-12-29 | I·M·A·工业机械自动装置股份公司 | Weighing system and filling machine comprising same |
| US11953368B2 (en) | 2019-05-15 | 2024-04-09 | I.M.A. Industria Macchine Automatiche S.P.A. | Weighing system for a capsule filling machine |
| CN110692531A (en) * | 2019-10-31 | 2020-01-17 | 广州市恒胜农牧科技有限公司 | Intelligent feeding management system and feeding method for growing-finishing pigs |
| CN110692531B (en) * | 2019-10-31 | 2021-08-20 | 广州市恒胜农牧科技有限公司 | Intelligent feeding method for growing-finishing pigs |
| CN114061724A (en) * | 2020-11-13 | 2022-02-18 | 伟博泰有限公司 | Force transmission piece for weighing scale or weighing unit |
Also Published As
| Publication number | Publication date |
|---|---|
| FR3054033B1 (en) | 2020-09-18 |
| FR3054033A1 (en) | 2018-01-19 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180123 |