CN209356097U - A kind of non-coupling multi-dimension force sensor overload protection arrangement - Google Patents
A kind of non-coupling multi-dimension force sensor overload protection arrangement Download PDFInfo
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- CN209356097U CN209356097U CN201920283956.5U CN201920283956U CN209356097U CN 209356097 U CN209356097 U CN 209356097U CN 201920283956 U CN201920283956 U CN 201920283956U CN 209356097 U CN209356097 U CN 209356097U
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Abstract
The utility model discloses a kind of non-coupling multi-dimension force sensor overload protection arrangements; including barrel housing and the first limit plate; the loading bench of the elastomer of first limit plate and multi-dimension force sensor is mutually connected; mutually matched pillar and groove are respectively equipped in the two; the pillar protrudes into the groove; and there are hole shaft clearance between the pillar and the groove, there are axial spacings between the bottom surface of the support frame of the top surface edge and multi-dimension force sensor of first limit plate.The utility model overload protection arrangement can independently adjust the overload capacity of multi-dimension force sensor all directions, and can be realized the overload protection of accurate power/torque.
Description
Technical field
The utility model relates to sensor technical fields, relate in particular to a kind of non-coupling multi-dimension force sensor overload
Protective device.
Background technique
With the development of science and technology, robot technology is more and more applied to various occasions, such as carry, weld,
Assembly etc..One key problem of robot technology is intelligence, and six-dimension force sensor because that can perceive in three-dimensional space simultaneously
All one's effort information is a critical component as robot for space intelligent feature.Multi-dimension force sensor generally comprises support frame
And the loading bench of setting on the support frame, the core of six-dimension force sensor is the design of elastomer, and the structure of elastomer is direct
The performance that decide entire sensor is the key that sensor performance superiority and inferiority.
The overload protection of six-dimension force sensor is directly related to the use and safety of six-dimension force sensor, is standby all the time
The focal issue studied, but none preferable solution so far.Such as patent CN101419102A, CN101210850A
There is no overload protection functions for equal six-dimension force sensors；Overload protection arrangement of the patent CN103528726A to six-dimension force sensor
Not the problem of not accounting for coupling, it is difficult to realize accurate overload protection.For the reliability for enhancing multi-dimension force sensor, avoid in mistake
It carries and generates plastic deformation with sensor elastomer in impact process, the research of multi-dimension force sensor overload protection arrangement is extremely closed
It is important.
Utility model content
The technical problem to be solved by the utility model is to provide one kind can independently adjust each side of multi-dimension force sensor
To overload capacity, and can be realized the non-coupling multi-dimension force sensor of the overload protection of accurate power/torque
Overload protection arrangement.
In order to solve the above-mentioned technical problem, the utility model adopts the following technical solution: a kind of non-coupling multi-dimensional force biography
Sensor overload protection arrangement, including barrel housing and the first limit plate, the elastomer of multi-dimension force sensor include support frame with
And setting loading bench on the support frame, supporting plate, the elastomer of multi-dimension force sensor are provided on the inner wall of the barrel housing
In the barrel housing, and the support frame of the elastomer of multi-dimension force sensor and the supporting plate are mutually connected；
First limit plate also is located in the barrel housing, and the bullet of first limit plate and multi-dimension force sensor
Property body loading bench be mutually connected, the one side edge towards multi-dimension force sensor of first limit plate be equipped with one with
On pillar, be provided with groove or described at the position of the corresponding pillar on the support frame of the elastomer of multi-dimension force sensor
The one side edge towards multi-dimension force sensor of first limit plate is provided with more than one groove, the bullet of multi-dimension force sensor
Property body support frame on the corresponding groove position at be equipped with pillar, the pillar protrudes into the groove, and the pillar
There are hole shaft clearance between the groove, the one side edge towards multi-dimension force sensor of first limit plate and more
There are axial spacings between the corresponding end surface of the support frame of the elastomer of dimensional force sensor.
It further, further include the second limit plate and limited block, second limit plate is connected in the barrel housing
It is interior, and second limit plate is placed in the below or above of first limit plate, described in the direction of first limit plate
The one side center of second limit plate is equipped with interior big outer small multi-diameter shaft, and the center of second limit plate is provided with limit hole, described
The diameter of multi-diameter shaft passes through the limit hole compared with segment, and the limited block is connected in freedom of the diameter compared with segment of the multi-diameter shaft
End, and there are hole shaft clearance, the shaft shoulder of the multi-diameter shaft and institutes compared between segment and the limit hole for the diameter of the multi-diameter shaft
State between the second limit plate and the limited block and second limit plate between there are identical axial spacings.
Further, the barrel housing is made of first sleeve and second sleeve from top to bottom, the first sleeve
Lower end periphery is equipped with the first flange for extending radially out, and the upper end periphery of the second sleeve is equipped with the extended radially out
Two flanges, second limit plate, which is clamped between first flange and the second flange, realizes fixation.
Further, first limit plate include the first annular support plate, two or more radially distribute first
Support rod and boss identical with the first support bar quantity, the outer end of each first support bar correspond respectively with
Each boss is connected, and the inner end of each first support bar is integrally formed, and each boss is separately fixed at first ring
On the internal perisporium of shape support plate, and the top surface of the boss is higher than first annular support plate, and first limit plate is with each
The loading bench of the elastomer of the boss and multi-dimension force sensor is mutually connected.
Further, second limit plate includes that the second annular support plate and two or more radially distribute
Two support rods, the outer end of each second support bar are respectively fixedly connected on the internal perisporium of second annular support plate, each described
The inner end of second support bar is integrally formed.
Further, the elastomer of multi-dimension force sensor be triple-beam structure, cruciform girder structure, E type diaphragm structure,
Any one in Stewart structure.
The beneficial effects of the utility model are embodied in:
1. the utility model is low to Structural Design Requirement, it is easy to implement, can independently adjusts each side of multi-dimension force sensor
To overload capacity, and can be realized the overload protection of accurate power/torque, protecting effect is stable, reliable；
2. in the utility model, as support end, loading bench is equivalent to as loading end for barrel housing and support frame
It is provided with the structure of circumferential gap cooperation and the structure of end clearance cooperation between first limit plate and support end, passes through setting
The overload protection of torque Mz may be implemented in different clearance ts 1, by set different axial spacing t2 may be implemented torque Mx and
The overload protection of My；
3. in the utility model, cooperating between the first limit plate, the second limit plate and limited block, being equivalent to setting
For the structure of circumferential gap cooperation and the structure of end clearance cooperation, by set different clearance t 3 may be implemented power Fx and
The overload protection of Fy may be implemented the overload protection of power Fz by setting different axial spacing t4, may be implemented to multi-dimensional force
The non-coupling overload protection of sensor；
4. the utility model structure is simple, easy to process, the overload of multi-dimension force sensor all directions can be independently adjusted
Ability, and can be realized the overload protection of accurate power/torque.
Detailed description of the invention
Fig. 1 is the schematic perspective view of an embodiment of the present invention.
Fig. 2 is the top view of an embodiment of the present invention.
Fig. 3 is A-A cross-sectional view.
Fig. 4 is enlarged drawing at B.
Fig. 5 is enlarged drawing at C.
Fig. 6 is the structural exploded view of an embodiment of the present invention.
Fig. 7 is the top view of the first limit plate in an embodiment of the present invention.
Fig. 8 is the side view of the first limit plate in an embodiment of the present invention.
Fig. 9 is the top view of the second limit plate in an embodiment of the present invention.
Figure 10 is the structural exploded view of another embodiment of the utility model.
The label of each component in attached drawing are as follows: 1 barrel housing, 2 first limit plates, 3 second limit plates, 4 limited blocks, 5 cover boards,
The elastomer of 6 multi-dimension force sensors, 11 first sleeves, 12 second sleeves, 13 first flanges, 14 second flanges, 15 supporting plates, 16
Three flanges, 17 the 4th flanges, 21 first annular support plates, 22 first support bars, 23 boss, 24 pillars, 25 multi-diameter shafts, 26 lead to
Hole, 27 location holes, 28 third mounting holes, 31 second annular support plates, 32 second support bars, 33 limit holes, 34 first mounting holes,
35 second mounting holes, 61 support frames, 62 loading bench, 63 grooves.
Specific embodiment
It is described in detail the utility model below with reference to the accompanying drawings.It should be noted that in the absence of conflict, this Shen
Please in embodiment and embodiment in feature can be combined with each other.
The non-coupling multi-dimension force sensor overload protection arrangement of the utility model is that lower multi-dimensional force is acted on according to different loads
Change in location (displacement) situation between the support end and loading end of sensor, by limit multi-dimension force sensor support end with
Change in location (displacement) threshold value between loading end carries out overload protection.
The fixed support etc. that support end can be the shell of multi-dimension force sensor, pedestal, lower cover, elastomer can be load
Platform provides directly/structure for supporting indirectly；Loading end can be the loading bench of the elastomer of multi-dimension force sensor, elastomer it is upper
Lid etc..
Referring to Fig. 1 to Fig. 6.
The non-coupling multi-dimension force sensor overload protection arrangement of the utility model, including barrel housing 1 and the first limit
The elastomer 6 of plate 2, multi-dimension force sensor includes support frame 61 and the loading bench 62 being arranged on support frame 61, the sleeve
Supporting plate 15 is provided on the inner wall of shell 1, the elastomer 6 of multi-dimension force sensor is located in the barrel housing 1, and multi-dimensional force passes
The support frame 61 of the elastomer 6 of sensor is supported on the supporting plate 15 and is mutually connected with the supporting plate 15；
First limit plate 2 also is located in the barrel housing 1, and first limit plate 2 and multi-dimension force sensor
Elastomer 6 loading bench 62 mutually be connected, the one side edge towards multi-dimension force sensor of first limit plate 2 is set
There is more than one pillar 24, is opened at the position of the corresponding pillar 24 on the support frame 61 of the elastomer 6 of multi-dimension force sensor
Fluted 63 or first limit plate 2 the one side edge towards multi-dimension force sensor be provided with it is more than one recessed
Slot 63 is equipped with pillar 24 at the position of the corresponding groove 63 on the support frame 61 of the elastomer 6 of multi-dimension force sensor, described convex
Column 24 protrudes into the groove 63, and there are hole shaft clearance between the pillar 24 and the groove 63, in Fig. 4 shown in t1, institute
State the support frame of the elastomer 6 of the one side edge and multi-dimension force sensor towards multi-dimension force sensor of the first limit plate 2
There are axial spacing between 61 corresponding end surface, in Fig. 4 shown in t2.
The utility model does above-mentioned design, barrel housing and support frame as support end, and loading bench is as loading end, phase
When the structure cooperated in the structure and end clearance that are provided with circumferential gap cooperation between the first limit plate and support end, lead to
It crosses and sets different clearance ts 1 overload protection of torque Mz may be implemented, power may be implemented by the axial spacing t2 for setting different
The overload protection of square Mx and My, the utility model is low to Structural Design Requirement, is easy to implement, and protecting effect is stable, reliable.
In specific implementation, the elastomer 6 of multi-dimension force sensor can be triple-beam structure, cruciform girder structure, E type diaphragm knot
Any one in structure, Stewart structure.
It in one embodiment, further include the second limit plate 3 and limited block 4, second limit plate 3 referring to Fig. 3 and 5
It is connected in the barrel housing 1, and second limit plate 3 is placed in the below or above of first limit plate 2, it is described
The one side center towards second limit plate 3 of first limit plate 2 is equipped with interior big outer small multi-diameter shaft 25, second limit
The center of plate 3 is provided with limit hole 33, and the diameter of the multi-diameter shaft 25 passes through the limit hole 33 compared with segment, and the limited block 4 is solid
It is connected in free end of the diameter compared with segment of the multi-diameter shaft 25, and the diameter of the multi-diameter shaft 25 is compared with segment and the limit hole 33
Between there are hole shaft clearance, it is between the shaft shoulder of the multi-diameter shaft 25 and second limit plate 3 and described in Fig. 5 shown in t3
There are identical axial spacing between limited block 4 and second limit plate 3, in Fig. 5 shown in t4.
Attached drawing illustrates only the case where the second limit plate 3 is located at the lower section of the first limit plate 2, and the second limit plate 3 is located at the
The structure almost symmetry that the case where top of one limit plate 2 and attached drawing illustrate, the structure of the second limit plate and mounting means according to
The variation of installation site adjusts accordingly, these are that those skilled in the art can according to need and design, for succinct description
For the sake of, only understood with the exploded view help of Figure 10.
Above-mentioned design is done, the structure for being provided with hole axle clearance fit between the first limit plate and the second limit plate is equivalent to
And the structure of end face two sides clearance fit, the overload that power Fx and Fy may be implemented by setting different hole axle clearance ts 3 are protected
The overload protection of power Fz may be implemented by setting different spacing t4 in shield.
It is designed by above-mentioned two sets of limits, its loading end can be limited respectively near the central axis of multi-dimension force sensor
Axial displacement and radial displacement realize to the overload protection of power, limit its loading end respectively in the surrounding of multi-dimension force sensor
Topple overload protection of the corner with circumferential corner realization to torque, can separate the displacement threshold value that restraint and torque generate, i.e.,
The displacement of the lines threshold value of restraint near multi-dimension force sensor central axis, in the surrounding far from multi-dimension force sensor central axis
Locate the angular displacement threshold value of restraining moment, comprehensive function is realized to the non-coupling overload protection of multi-dimension force sensor.
In one embodiment, referring to Fig. 1,3 and 6, the barrel housing 1 is from top to bottom by first sleeve 11 and second sleeve
12 are constituted, and the lower end periphery of the first sleeve 11 is equipped with the first flange 13 extended radially out, the second sleeve 12
Upper end periphery is equipped with the second flange 14 for extending radially out, and second limit plate 3 is clamped in first flange 13 and the
It realizes and fixes between two flanges 14.It designs in this way, it is easier to which fabrication and installation, structure is more reasonable, stablizes.
Hereinafter, referring to Fig. 3,7 and 8.
In one embodiment, first limit plate 2 includes that first annular support plate 21, two or more radially distributes
First support bar 22 and boss 23 identical with 22 quantity of first support bar, the outer end of each first support bar 22
It corresponds and is connected with each boss 23 respectively, the inner end of each first support bar 22 is integrally formed, each boss 23
It is separately fixed on the internal perisporium of first annular support plate 21, and the top surface of the boss 23 is higher than the described first cyclic annular branch
Fagging 21, first limit plate 2 are mutually solid with the loading bench 62 of each boss 23 and the elastomer 6 of multi-dimension force sensor
Even.It designs in this way, the structure of the first limit plate is more succinct, is easy to cooperate with multi-dimension force sensor.
In one embodiment, multiple weeks along first annular support plate 21 are provided on first annular support plate 21
To the through-hole 26 being spaced apart.Through-hole 26 is the weight in order to mitigate the first limit plate, and structure type is not unique.
Preferably, the multi-diameter shaft 25 is arranged in the bottom surface of the inner end of each first support bar 22, and each described first
The location hole 27 of both perforations is provided on the inner end of strut 22 and the multi-diameter shaft 25.Location hole be in order to fix limited block and
Reserved location hole.
Preferably, it is provided with third mounting hole 28 on the boss 23, for being bolted with loading bench.
Below referring to Fig. 3 and 9.
In one embodiment, second limit plate 3 includes that the second annular support plate 31 and two or more are radial
The outer end of the second support bar 32 of distribution, each second support bar 32 is respectively fixedly connected in second annular support plate 31
On peripheral wall, the inner end of each second support bar 32 is integrally formed.It designs in this way, the structure of the second limit plate is more succinct.
In one embodiment, the first mounting hole 34 is had in each second support bar 32, is used for fixing circuit board.
Preferably, multiple the second mounting holes 35 being spaced apart are provided with along its circumferential direction on second annular support plate 31,
For being bolted with the first flange and the second flange.
It in one embodiment, further include cover board 5, the cover board 5 is detachably connected on the upper end of the barrel housing 1.Lid
Plate is used to switch the upper port of barrel housing.
Referring to Fig. 3, it is preferable that the upper end periphery of the barrel housing 1 is equipped with the third flange 16 extended radially out, uses
It is detachably connected in cover board 5；The lower end periphery of the barrel housing 1 is equipped with the 4th flange 17 extended radially out, is used for
Fixes sleeve shell is installed；Preferably, support frame as described above 61 can be integrally formed with the barrel housing 1, overall processing.
The elastomer of the multi-dimension force sensor illustrated in figure is planche cross girder structure, can also be double E diaphragms certainly
Any one in formula structure or triple-beam structure, cruciform girder structure, E type diaphragm structure, Stewart structure etc.；The limit
Position block can be round, rectangular, oval and other irregular figures.
Overload protection arrangement described in the utility model can independently adjust the overload energy of multi-dimension force sensor all directions
Power, and structure is simple, it is easy to process, and can be realized the overload protection of accurate power/torque.
It should be understood that example as described herein and embodiment are not intended to limit the utility model only for explanation, this
Field technical staff can make various modifications or variation according to it, within the spirit and principle of the utility model, made
Any modification, equivalent substitution, improvement and etc. should be included within the scope of protection of this utility model.
Claims (6)
1. the elastomer (6) of a kind of non-coupling multi-dimension force sensor overload protection arrangement, multi-dimension force sensor includes support frame
(61) and loading bench (62) on support frame (61) is set, it is characterised in that: limit including barrel housing (1) and first
Plate (2) is provided with supporting plate (15) on the inner wall of the barrel housing (1), and the elastomer (6) of multi-dimension force sensor is located at the set
In cylinder shell (1), and the support frame (61) of the elastomer (6) of multi-dimension force sensor and the supporting plate (15) are mutually connected；
First limit plate (2) also is located in the barrel housing (1), and first limit plate (2) and multi-dimensional force sense
The loading bench (62) of the elastomer (6) of device is mutually connected, the one side four towards multi-dimension force sensor of first limit plate (2)
Circumferential edges are equipped with more than one pillar (24), corresponding described convex on the support frame (61) of the elastomer (6) of multi-dimension force sensor
The one side surrounding towards multi-dimension force sensor of groove (63) or first limit plate (2) is provided at the position of column (24)
Edge is provided with more than one groove (63), the corresponding groove on the support frame (61) of the elastomer (6) of multi-dimension force sensor
(63) pillar (24) are equipped at position, the pillar (24) is protruded into the groove (63), and the pillar (24) with it is described
There are hole shaft clearance between groove (63), the one side edge towards multi-dimension force sensor of first limit plate (2) with
There are axial spacings between the corresponding end surface of the support frame (61) of the elastomer (6) of multi-dimension force sensor.
2. non-coupling multi-dimension force sensor overload protection arrangement as described in claim 1, it is characterised in that: further include second
Limit plate (3) and limited block (4), second limit plate (3) are connected in the barrel housing (1), and second limit
Position plate (3) is placed in the below or above of first limit plate (2), and first limit plate (2) limits towards described second
The one side center of position plate (3) is equipped with interior big outer small multi-diameter shaft (25), and the center of second limit plate (3) is provided with limit hole
(33), the diameter of the multi-diameter shaft (25) passes through the limit hole (33) compared with segment, and the limited block (4) is connected in the ladder
The diameter of axis (25) is compared with the free end of segment, and the diameter of the multi-diameter shaft (25) is stayed compared between segment and the limit hole (33)
Have hole shaft clearance, between the shaft shoulder and second limit plate (3) of the multi-diameter shaft (25) and the limited block (4) with it is described
There are identical axial spacings between second limit plate (3).
3. non-coupling multi-dimension force sensor overload protection arrangement as claimed in claim 2, it is characterised in that: the sleeve shell
Body (1) is made of first sleeve (11) and second sleeve (12) from top to bottom, and the lower end periphery of the first sleeve (11) is equipped with
The first flange (13) extended radially out, it is convex that the upper end periphery of the second sleeve (12) is equipped with second extended radially out
Edge (14), second limit plate (3), which is clamped between first flange (13) and the second flange (14), realizes fixation.
4. the non-coupling multi-dimension force sensor overload protection arrangement as described in claims 1 or 2 or 3, it is characterised in that: described
First limit plate (2) include the first annular support plate (21), two or more the first support bars (22) to radially distribute and
The outer end of boss (23) identical with the first support bar (22) quantity, each first support bar (22) corresponds respectively
It is connected with each boss (23), the inner end of each first support bar (22) is integrally formed, and each boss (23) is solid respectively
It is scheduled on the internal perisporium of first annular support plate (21), and the top surface of the boss (23) is higher than first circumferential support
Plate (21), first limit plate (2) is with the loading bench (62) of each boss (23) and the elastomer (6) of multi-dimension force sensor
Mutually it is connected.
5. non-coupling multi-dimension force sensor overload protection arrangement as claimed in claim 2 or claim 3, it is characterised in that: described the
Two limit plates (3) include the second support bar (32) that the second annular support plate (31) and two or more radially distribute, respectively
The outer end of the second support bar (32) is respectively fixedly connected on the internal perisporium of second annular support plate (31), and each described second
The inner end of support rod (32) is integrally formed.
6. the non-coupling multi-dimension force sensor overload protection arrangement as described in claims 1 or 2 or 3, it is characterised in that: multidimensional
The elastomer (6) of force snesor is triple-beam structure, cruciform girder structure, E type diaphragm structure, any one in Stewart structure
Kind.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920283956.5U CN209356097U (en) | 2019-03-07 | 2019-03-07 | A kind of non-coupling multi-dimension force sensor overload protection arrangement |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920283956.5U CN209356097U (en) | 2019-03-07 | 2019-03-07 | A kind of non-coupling multi-dimension force sensor overload protection arrangement |
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| CN209356097U true CN209356097U (en) | 2019-09-06 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109708787A (en) * | 2019-03-07 | 2019-05-03 | 合肥工业大学 | A kind of non-coupling multi-dimension force sensor method and device for overload protection |
| CN114414113A (en) * | 2021-12-01 | 2022-04-29 | 蓝点触控(北京)科技有限公司 | Six-dimensional force sensor overload protection device and equipment with same |
| CN117848569A (en) * | 2024-02-29 | 2024-04-09 | 湖南瑞都模具技术有限公司 | Elasticity detection device |
-
2019
- 2019-03-07 CN CN201920283956.5U patent/CN209356097U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109708787A (en) * | 2019-03-07 | 2019-05-03 | 合肥工业大学 | A kind of non-coupling multi-dimension force sensor method and device for overload protection |
| CN109708787B (en) * | 2019-03-07 | 2024-01-26 | 合肥工业大学 | Non-coupling multi-dimensional force sensor overload protection method and device |
| CN114414113A (en) * | 2021-12-01 | 2022-04-29 | 蓝点触控(北京)科技有限公司 | Six-dimensional force sensor overload protection device and equipment with same |
| CN117848569A (en) * | 2024-02-29 | 2024-04-09 | 湖南瑞都模具技术有限公司 | Elasticity detection device |
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