CN108981870A - A kind of spoke sensor - Google Patents
A kind of spoke sensor Download PDFInfo
- Publication number
- CN108981870A CN108981870A CN201811063048.1A CN201811063048A CN108981870A CN 108981870 A CN108981870 A CN 108981870A CN 201811063048 A CN201811063048 A CN 201811063048A CN 108981870 A CN108981870 A CN 108981870A
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- China
- Prior art keywords
- hole
- pin shaft
- spoke sensor
- measured beam
- spoke
- Prior art date
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Links
- 238000005259 measurement Methods 0.000 claims abstract description 34
- 238000006073 displacement reaction Methods 0.000 claims description 19
- 238000000034 method Methods 0.000 description 9
- 238000009434 installation Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 229920001971 elastomer Polymers 0.000 description 3
- 239000000806 elastomer Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 241001484259 Lacuna Species 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 229910001234 light alloy Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G3/00—Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances
- G01G3/12—Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances wherein the weighing element is in the form of a solid body stressed by pressure or tension during weighing
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The invention discloses a kind of spoke sensors, including inner ring and outer ring, and the measurement beam between inner ring and outer ring is set, non-measured beam is additionally provided between inner ring and outer ring, non-measured beam be equipped with axially through through-hole, non-measured beam is disconnected in through hole, pin shaft is installed on through-hole, the both ends of pin shaft are respectively equipped with the block greater than through-hole cross section, pin shaft can be moved axially relative to through-hole, block is used to limit the axial limit deformation of measurement beam, in the case where not influencing spoke sensor normal work, avoid the problem of spoke sensor caused by overloading deformation due to failing, and due to preventing the device of deformation to be all disposed within the inside of spoke sensor, therefore the versatility that spoke sensor is used and installed is substantially increased.
Description
Technical field
The present invention relates to sensor technical fields, more specifically to a kind of spoke sensor.
Background technique
Spoke sensor is using spoke type elastomer structure, claim in hopper, in the electronic scales such as truck scale, track scale extensively
Using doing the analysis and measurement of power in various Industrial Weighing systems.
The spoke sensor of wheel spoke type sensor, especially light alloy material, in use, elastomer is by axis
To stretching or compression, axial deformation can be generated, if the axial force that is subject to of sensor is excessive elastomer is generated forever
Long, expendable deformation then will lead to spoke sensor failure, therefore during spoke sensor use, need
Certain antioverloading safeguard measure is used to it, so as not to due to spoke sensor excessive deformation and lead to its failure.
The protective device that current spoke sensor overloaded deformation is generally all disposed within the machinery outside spoke sensor
In structure, difficulty thus is brought to the general installation and use of spoke sensor.
In conclusion how to provide a kind of spoke sensor, avoid that excessively change occurs along axial in use at it
Under the premise of shape, the versatility for using and installing of spoke sensor is improved, is that current those skilled in the art are urgently to be resolved
Problem.
Summary of the invention
In view of this, not influencing spoke sensor normal use the object of the present invention is to provide a kind of spoke sensor
In the case where, avoid its in use due to overloaded deformation and cause to fail, with improve spoke sensor use and
The versatility of installation.
To achieve the goals above, the invention provides the following technical scheme:
A kind of spoke sensor, including inner ring and outer ring, and the measurement beam being arranged between inner ring and outer ring, inner ring with
Be additionally provided with non-measured beam between outer ring, non-measured beam be equipped with axially through through-hole, non-measured beam disconnects in through hole, through-hole
On pin shaft is installed, pin shaft and through-hole can axially opposing movement, the both ends of pin shaft are respectively equipped with block, and block is for limiting pin shaft
With the maximum relative displacement of through-hole axial direction, to limit the axial maximum relative displacement that non-measured beam disconnects both ends.
Preferably, pin shaft is straight pin, and through-hole is cylindrical hole, and straight pin and cylindrical hole are clearance fit, straight pin it is straight
Diameter is greater than the maximum radial width of cylindrical hole gap.
Preferably, the fit tolerance of clearance fit is between IT5 grades to IT7 grades.
Preferably, non-measured beam is uniformly distributed between adjacent measurement beam.
Preferably, the circumferential width of non-measured beam is greater than the circumferential width of measurement beam.
Preferably, section of the non-measured beam in through hole is arc surface, the axis of arc surface and the axis coaxle of inner ring.
Preferably, block is retaining ring, and the both ends of pin shaft are equipped with the annular groove for installing retaining ring.
Preferably, retaining ring is circlip.
Spoke sensor provided by the invention is additionally arranged non-measured beam between inner ring and outer ring, in the process of work,
When measurement beam is deformed by axial power, and is deformed in the range of measurement, since non-measured beam is disconnected in through hole
It opens, and pin shaft can be relatively moved with through-hole, therefore the both ends that non-measured beam disconnects can be respectively as outer ring and inner ring be in axial force
Under the action of move, because without influence spoke sensor normal work；When measuring, the axial force that beam is subject to is excessive, has been more than wheel
When the measurement range of spoke sensor, since block defines the maximum relative displacement of pin shaft Yu the through-hole axial direction, when non-
After two parts relative displacement that measurement beam disconnects reaches the maximum relative displacement that block is limited, measurement beam axial deformation is prevented
Further increase, thus limit measurement beam axial deformation, thus solve measurement beam led since axial deformation is excessive
The problem of causing good fortune human relations sensor failure, and due to preventing the device of deformation to be all disposed within the inside of spoke sensor, it is big
The versatility that spoke sensor is used and installed is improved greatly.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is a kind of schematic diagram of spoke sensor provided by the present invention；
Fig. 2 is the schematic diagram of pin shaft in Fig. 1.
Wherein: 1- inner ring, the outer ring 2-, 3- measurement beam, the non-measured beam of 4-, 5- through-hole, 6- pin shaft, 7- annular groove, 8- retaining ring,
9- block.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1 and Fig. 2 are please referred to, Fig. 1 is a kind of schematic diagram of spoke sensor provided by the present invention；Fig. 2 is to sell in Fig. 1
The schematic diagram of axis.
Core of the invention is to provide a kind of spoke sensor, including inner ring 1 and outer ring 2, and setting in inner ring 1 and outside
Measurement beam 3 between circle 2, is additionally provided with non-measured beam 4 between inner ring 1 and outer ring 2, non-measured beam 4 be equipped with axially through it is logical
Hole 5, non-measured beam 4 disconnect at through-hole 5, are equipped with pin shaft 6 on through-hole 5, pin shaft 6 and through-hole 5 can axially opposing movement, pin shaft
6 both ends are respectively equipped with block 9, and block 9 is used to limit the maximum relative displacement of 5 axial direction of pin shaft 6 and through-hole, non-measured to limit
Beam 4 disconnects the axial maximum relative displacement at both ends.
Wherein, non-measured beam 4 may be provided at the middle position of inner ring 1 Yu 2 axial width of outer ring, the axial direction of non-measured beam 4
Width can be substantially the same with the axial width of measurement beam 3, and the axial width of certain non-measured beam 4 can also be more than or less than measurement
The width of beam 3.
Through-hole 5 on non-measured beam 4 may be provided at the substantially central position of non-measured beam 4, and non-measured beam 4 is at through-hole 5
It the position of disconnection can be in 5 central location of through-hole, to guarantee the uniformity of the both ends stress of the non-measured disconnection of beam 4.
To guarantee that pin shaft 6 can axially move relative to through-hole 5, the maximum gauge of pin shaft 6 should be less than the minimum of through-hole 5
Diameter, and the minimum diameter of pin shaft 6 should be greater than the maximum radial width in the gap disconnected at through-hole 5, avoid pin shaft 6 from through-hole
It is skidded off in the gap of 5 gaps.
The distance of the block 9 at 6 both ends of pin shaft determines the size of the axially opposing displacement at the both ends that non-measured beam 4 disconnects,
The size of the axially opposing displacement at the both ends that non-measured beam 4 disconnects determines the axial largest deformation that measurement beam 3 allows.
Therefore, the effect of 6 both ends block 9 of pin shaft is, by the axially opposing position for limiting the both ends that non-measured beam 4 disconnects
It moves, and then the axial largest deformation of measurement beam 3 is defined, so, the maximum that should axially can bear according to measurement beam 3
Deformation determines the axial maximum displacements of 6 opposing through-bores 5 of pin shaft, then according to the axial dominant bit of 6 opposing through-bores 5 of pin shaft
In-migration determines the distance of the block 9 at 6 both ends of pin shaft.Wherein, the determination for the axial largest deformation that measurement beam 3 can bear can pass through
The method of finite element method analysis determines.
When spoke sensor axially loaded overload, the end face contact of block 9 and non-measured beam 4, and prevent non-survey
The both ends that amount beam 4 disconnects generate relative displacement axially further, and therefore, block 9 can be close to the end face of non-measured 4 side of beam
Plane, the end face of corresponding non-measured beam 4 can be plane, and the end face of non-measured beam 4 and block 9 are close to non-measured beam 4 one
The end face of side is parallel, the uniformity of stress when guaranteeing that block 9 and non-measured 4 end face of beam contact.
Spoke sensor provided by the invention is additionally arranged non-measured beam 4, in the process of work between inner ring 1 and outer ring 2
In, when measurement beam 3 by axial force is generated deformation, and deformation is in reasonable range, since non-measured beam 4 is in through hole
It disconnects, and pin shaft 6 can relatively move in the axial direction with the through-hole 5 on non-measured beam 4, therefore the both ends that non-measured beam 4 disconnects can
As inner ring 1 moves under the action of axial force with outer ring 2, because of the normal work without influencing spoke sensor；When measurement beam 3
Receive that axial force is excessive, when being more than the measurement range of spoke sensor, due to 6 both ends block 9 of pin shaft define pin shaft 6 with
The axial maximum relative displacement of through-hole 5, therefore, when the relative displacement at the both ends that non-measured beam 4 disconnects reaches what block 9 was limited
After maximum displacement, the relative displacement at the both ends that non-measured beam 4 disconnects is not further added by, to prevent measurement 3 axial deformation of beam
It further increases, the axial deformation of measurement beam 3 no longer increases；Therefore, spoke sensor provided by the present invention is not influencing
In the case that spoke sensor works normally, the problem of spoke sensor caused by overloading deformation due to failing is avoided,
And due to preventing the device of deformation to be all disposed within the inside of spoke sensor, substantially increase spoke sensor use and
The versatility of installation.
On the basis of above-described embodiment, it is contemplated that spoke sensor is during installation, it is also possible to by circumferential direction
Torque, and if circumferential torque it is excessive, can also make the problem of measuring 3 excessive deformation of beam and spoke sensor is caused to fail.Peace
Pin shaft 6 mounted in through-hole 5 can be straight pin, correspondingly, through-hole 5 can be cylindrical hole, and the diameter of straight pin should be greater than
The radial width in the gap of gap at through-hole 5, to guarantee that straight pin will not be skidded off from the gap of 5 gap of through-hole；Circle
Pin is gap-matched with cylindrical hole, i.e., to have gap appropriate between straight pin and cylindrical hole, to guarantee that straight pin can phase
It is mobile for cylindrical hole.
When its torque by circumferential direction of spoke sensor, inner ring 1 produces relative rotation with outer ring 2, so that measurement
Beam 3 generates circumferential deformation, at this point, on non-measured beam 4, due between straight pin and cylindrical hole there are gap, inner ring 1 with
The both ends that outer ring 2 drives non-measured beam 4 to disconnect generate circumferential quite displacement, until straight pin contact with the inner wall of cylindrical hole by
The relative displacement of power, the both ends for preventing non-measured beam 4 from disconnecting further increases, to limit the circumferential maximum of measurement beam 3
Deformation avoids the problem of being led to its failure by excessive circumferential torque due to spoke sensor.
The restriction of the relatively circumferential extreme position in both ends disconnected to non-measured beam 4 in view of straight pin should be in reasonable model
In enclosing, therefore, the gap between straight pin and cylindrical hole be should not be too large or too small, it is too small can stuck spoke sensor, influence it
Normal work, it is excessive, the effect of protection is not had, on the basis of above-described embodiment, straight pin is matched with cylinder interporal lacuna
The fit tolerance of conjunction can be between IT5 grades to IT7 grades.
The position that non-measured beam is arranged between inner ring 1 and outer ring 2 can there are many selections, on the basis of above-described embodiment
On, non-measured beam 4 can be uniformly distributed between adjacent measurement beam 3, for the uniformity for guaranteeing non-measured 4 stress of beam,
Non-measured beam 4 may be provided at the central location between adjacent two measurements beam, and multiple non-measured beams 4 can be in about in inner ring axis
The heart is symmetrical.
On the basis of above-described embodiment, it is contemplated that when spoke sensor overloads in installation and use process, non-survey
Amount beam 4 is main stress object, and the circumferential width of non-measured beam 4 can be greater than the circumferential width of measurement beam 3, non-measured to improve
The stress fastness of beam 4 at work.
On the above-mentioned basis for being embodiment, since spoke sensor may be by circumferential torsion during installation
Square generates opposite rotation so that the both ends that non-measured beam 4 disconnects generate circumferential relative displacement, therefore, non-measured beam 4
The section at the both ends disconnected at through-hole 5 can be arc surface, and the axis of arc surface can be with the axis coaxle of inner ring 1.
When the gap of 5 gap of through-hole is smaller, the setting of arc surface will not influence circumferentially opposed turn of the both ends that non-measured beam 4 disconnects
It is dynamic.
The method that non-measured beam 4 disconnects at through-hole 5 can cut non-measured beam 4 by wire cutting machine, can also be
During the non-measured beam 4 of processing, the gap of needs is directly reserved, i.e., in the outer ring of spoke sensor 2 and inner ring 1
It is same radially process one section of non-measured beam 4 respectively, and have between two sections of non-measured beams 4 on outer ring 2 and inner ring 1 it is appropriate
Gap.
Referring to FIG. 2, on the basis of above-mentioned any embodiment, the setting of the block 9 at 6 both ends of pin shaft can there are many
Selection, for example, block 9 can be the retaining ring 8 that 6 both ends of pin shaft are arranged in, correspondingly, 6 both ends of pin shaft should be equipped with installation retaining ring 8
Annular groove 7, can also be other selections certainly, for example, block can be location nut, correspondingly, at 6 both ends of pin shaft
Corresponding external screw thread should be set, and the distance of the location nut to 6 both ends of pin shaft is needed to be defined.
On the basis of above-described embodiment, specifically, retaining ring 8 can be circlip, materials are convenient, and installation is simple.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
Spoke sensor provided by the present invention is described in detail above.Specific case used herein is to this
The principle and embodiment of invention is expounded, method of the invention that the above embodiments are only used to help understand and
Its core concept.It should be pointed out that for those skilled in the art, in the premise for not departing from the principle of the invention
Under, it can be with several improvements and modifications are made to the present invention, these improvement and modification also fall into the protection of the claims in the present invention
In range.
Claims (8)
1. a kind of spoke sensor, including inner ring (1) and outer ring (2), and be arranged in the inner ring (1) and the outer ring (2)
Between measurement beam (3), which is characterized in that be additionally provided between the inner ring (1) and the outer ring (2) non-measured beam (4), it is described
Non-measured beam (4) be equipped with axially through through-hole (5), the non-measured beam (4) disconnects at the through-hole (5), described to lead to
Be equipped on hole (5) pin shaft (6), the pin shaft (6) and the through-hole (5) can axially opposing movement, the both ends of the pin shaft (6)
It is respectively equipped with block (9), the block (9) is used to limit the opposite position of the pin shaft (6) and the through-hole (5) axial maximum
It moves, to limit the axial maximum relative displacement that the non-measured beam (4) disconnects both ends.
2. spoke sensor according to claim 1, which is characterized in that the pin shaft (6) is straight pin, the through-hole
It (5) is cylindrical hole, the straight pin and the cylindrical hole are clearance fit, and the diameter of the straight pin is disconnected greater than the cylindrical hole
Open the maximal clearance at place.
3. spoke sensor according to claim 2, which is characterized in that the fit tolerance of the clearance fit is IT5 grades
To between IT7 grades.
4. spoke sensor according to claim 1, which is characterized in that the non-measured beam (4) is uniformly distributed in phase
Between the adjacent measurement beam (3).
5. spoke sensor according to claim 4, which is characterized in that the circumferential width of the non-measured beam (4) is greater than
The circumferential width of measurement beam (3).
6. spoke sensor according to claim 5, which is characterized in that the non-measured beam (4) is at the through-hole (5)
Section be arc surface, the axis coaxle of the axis of the arc surface and the inner ring (1).
7. spoke sensor according to any one of claims 1 to 6, which is characterized in that the block (9) is retaining ring (8),
The both ends of the pin shaft (6) are equipped with the annular groove (7) for installing the retaining ring (8).
8. spoke sensor according to claim 7, which is characterized in that the retaining ring (8) is circlip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811063048.1A CN108981870B (en) | 2018-09-12 | 2018-09-12 | Spoke sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811063048.1A CN108981870B (en) | 2018-09-12 | 2018-09-12 | Spoke sensor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108981870A true CN108981870A (en) | 2018-12-11 |
| CN108981870B CN108981870B (en) | 2023-11-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811063048.1A Active CN108981870B (en) | 2018-09-12 | 2018-09-12 | Spoke sensor |
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| Country | Link |
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| CN (1) | CN108981870B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110793678A (en) * | 2019-09-21 | 2020-02-14 | 蚌埠市力业传感器有限公司 | Load sensor processing method |
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| CN201255672Y (en) * | 2008-09-10 | 2009-06-10 | 胡伟全 | Force measuring sensor |
| JP3156823U (en) * | 2009-11-02 | 2010-01-21 | 丸宗工業株式会社 | Weight measurement support device for heavy objects |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110793678A (en) * | 2019-09-21 | 2020-02-14 | 蚌埠市力业传感器有限公司 | Load sensor processing method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108981870B (en) | 2023-11-28 |
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Address after: 130000 Silicon Valley Street 1118, Changchun City, Jilin Province Patentee after: SINOTEST EQUIPMENT CO.,LTD. Country or region after: China Patentee after: China National Machinery Test Equipment (Jiangsu) Co.,Ltd. Address before: 130000 Silicon Valley Street 1118, Changchun City, Jilin Province Patentee before: SINOTEST EQUIPMENT CO.,LTD. Country or region before: China Patentee before: Jiangsu Zhongji hualongxing Technology Co.,Ltd. Address after: 130000 Silicon Valley Street 1118, Changchun City, Jilin Province Patentee after: SINOTEST EQUIPMENT CO.,LTD. Country or region after: China Patentee after: Jiangsu Zhongji hualongxing Technology Co.,Ltd. Address before: 130000 Silicon Valley Street 1118, Changchun City, Jilin Province Patentee before: SINOTEST EQUIPMENT CO.,LTD. Country or region before: China Patentee before: CHANGCHUN HUIKAI TECHNOLOGY Co.,Ltd. |