CN206609550U - A kind of contactless device for measuring force based on safety management - Google Patents
A kind of contactless device for measuring force based on safety management Download PDFInfo
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- CN206609550U CN206609550U CN201720392004.8U CN201720392004U CN206609550U CN 206609550 U CN206609550 U CN 206609550U CN 201720392004 U CN201720392004 U CN 201720392004U CN 206609550 U CN206609550 U CN 206609550U
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- platform
- force
- force plate
- safety management
- base
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Abstract
The utility model discloses a kind of contactless device for measuring force based on safety management, it is related to the field of measuring technique of power.The utility model includes base, force plate/platform, bearing frame and non-contact displacement transducer, described force plate/platform is set up on base, and forming one between base allows force plate/platform to occur elastically-deformable cavity, described non-contact displacement transducer is in cavity, to detect the deformation quantity of force plate/platform, described bearing frame is located on force plate/platform to bear load, and positioned at the centre of force plate/platform.A kind of contactless device for measuring force based on safety management of the present utility model, the deformation quantity of force plate/platform is detected by non-contact displacement transducer, and the deformation quantity of force plate/platform and the size of active force are in certain relation, measure the size that deformation quantity understands active force, the range of this contactless dynamometry mode is bigger, it is simple in construction, and cost is relatively low.
Description
Technical field
The utility model is related to the field of measuring technique of power, is connect more specifically to a kind of non-based on safety management
Touch device for measuring force.
Background technology
Safety management is an important branch of management science, it be for realize relevant decision-making that Security Target carries out,
Activity in terms of plan, tissue and control；Main to use modern safety management principle, ways and means, analysis and research are each
Kind of unsafe factor, technically, tissue and manages and takes effective measures, solve and eliminate various unsafe factors,
Prevent the generation of accident.For example, existing apply the weighing scale weighed in large item, payload reception element is generally included, is carried
Lotus receiving element is generally by multiple underlying load cell supports.The weight for the object being shelved on payload reception element
Apply the power of a certain amplitude on each force cell, be applied to the amplitude of the power of a certain force cell and the survey by giving
The part correspondence of the weight of the object of force snesor support；For another example in the course of the work, misoperation may for autocrane
Autocrane is caused to topple, if equipment dynameter, can monitor the stressing conditions of the main fulcrum of autocrane, one
Denier exceeds safe range, and can give a warning information, it is to avoid the generation of accident.
But, the range of existing contact dynameter is smaller, and device damage can be caused by outranging, if thinking range extension
Then need to use multiple contact force cells, this volume for allowing for dynameter and quality increase, dynameter is made
With causing very big inconvenience.
The content of the invention
1. the utility model technical problem to be solved
The purpose of this utility model is to overcome existing contact dynameter above shortcomings that there is provided a kind of base
In the contactless device for measuring force of safety management.Using the technical solution of the utility model, shape between force plate/platform frame and base
Force plate/platform is allowed to occur elastically-deformable cavity into one, non-contact displacement transducer is in cavity, to detect that dynamometry is put down
The deformation quantity of platform, and the size of the deformation quantity of force plate/platform and active force is in certain relation, measures deformation quantity and understands to act on
The size of power, the range of this contactless dynamometry mode is bigger, simple in construction, and cost is relatively low.
2. technical scheme
To reach above-mentioned purpose, the technical scheme that the utility model is provided is：
A kind of contactless device for measuring force based on safety management of the present utility model, including base, force plate/platform, load-bearing
Frame and non-contact displacement transducer, described force plate/platform are set up on base, and formation one allows dynamometry between base
Elastically-deformable cavity occurs for platform, and described non-contact displacement transducer is in cavity, to detect the shape of force plate/platform
Variable, described bearing frame is located on force plate/platform to bear load, and positioned at the centre of force plate/platform.
Further, described non-contact displacement transducer is located at the middle part of base, positioned at the underface of bearing frame,
And the displacement detection direction of non-contact displacement transducer is vertical with force plate/platform, the position of described non-contact displacement transducer
Move between probe portion and force plate/platform and leave gap.
Further, described base is " recessed " shape structure, and described force plate/platform is set up in the two ends of base.
Further, described bearing frame is " recessed " shape structure, and is fallen on force plate/platform.
Further, the device for measuring force is symmetrical structure.
Further, described non-contact displacement transducer uses magnetic detector or vortex finder.
3. beneficial effect
The technical scheme provided using the utility model, compared with existing known technology, is had the advantages that：
(1) a kind of contactless device for measuring force based on safety management of the present utility model, force plate/platform frame and base it
Between form one and allow force plate/platform to occur elastically-deformable cavity, non-contact displacement transducer is in cavity, to detect survey
The deformation quantity of power platform, and the size of the deformation quantity of force plate/platform and active force is in certain relation, measures deformation quantity and understands
The size of active force, the range of this contactless dynamometry mode is bigger, simple in construction, and cost is relatively low.
(2) a kind of contactless device for measuring force based on safety management of the present utility model, its bearing frame is flat located at dynamometry
To bear load on platform, and positioned at the centre of force plate/platform, bearing frame has the effect of uniform load, it is ensured that the standard of measurement result
True property, prevents forced position from occurring minor variations and just influenceing measurement result.
(3) a kind of contactless device for measuring force based on safety management of the present utility model, its base is " recessed " shape structure,
Force plate/platform is set up in the two ends of base, and bearing frame is " recessed " shape structure, and is fallen on force plate/platform, base and bearing frame
Structure is relatively simple, easily manufactured, and production cost is relatively low.
(4) a kind of contactless device for measuring force based on safety management of the present utility model, symmetrical configuration works more steady
Fixed, measurement result is more accurate.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the contactless device for measuring force based on safety management of the present utility model；
Fig. 2 is a kind of front view of the contactless device for measuring force based on safety management of the present utility model.
Label declaration in schematic diagram：
1st, force plate/platform；1-1, upper surface；1-2, lower surface；1-3, measuring arm of force；2nd, bearing frame；2-1, support plate；2-2, hold
Weight plate；3rd, non-contact displacement transducer；3-1, displacement probe portion；4th, base；5th, cavity.
Embodiment
To further appreciate that content of the present utility model, the utility model is described in detail in conjunction with the accompanying drawings and embodiments.
Embodiment
With reference to Fig. 1 and Fig. 2, a kind of contactless device for measuring force based on safety management of the present embodiment, including base 4,
Force plate/platform 1, bearing frame 2 and non-contact displacement transducer 3, force plate/platform 1 are set up on base 4, and the shape between base 4
Occurs elastically-deformable cavity 5 into a permission force plate/platform 1, non-contact displacement transducer 3 is in cavity 5, to detect survey
The deformation quantity of power platform 1, bearing frame 2 is located on force plate/platform 1 to bear load, and positioned at the centre of force plate/platform 1, the load-bearing
Frame 2 has the effect of uniform load, it is ensured that the accuracy of measurement result, prevents forced position from occurring minor variations and just influenceing measurement
As a result, and the device for measuring force be symmetrical structure, work it is more stable, measurement result is more accurate.
Specifically, the base 4 of the present embodiment is " recessed " shape structure, and force plate/platform 1 is set up in the two ends of base 4, bearing frame 2
For " recessed " shape structure, and fall on force plate/platform 1, and the material of force plate/platform 1 and bearing frame 2 is steel, more specifically,
Bearing frame 2 includes bearing plate 2-2 and is vertically located in the support plate 2-1 of bearing plate 2-2 both sides, and support plate 2-1 end is fixedly arranged on survey
On the upper surface 1-1 of power platform 1, as shown in Figure 1.The base 4 of the present embodiment and the structure of bearing frame 2 are relatively simple, manufacture
Convenient, production cost is relatively low.
The non-contact displacement transducer 3 of the present embodiment uses magnetic detector or vortex finder, vortex finder and
The measurement accuracy of magnetic detector is attained by micron order, and measurement accuracy is high.The non-contact displacement transducer 3 is located at base 4
Middle part, positioned at the underface of bearing frame 2, and the displacement detection direction of non-contact displacement transducer 3 hangs down with force plate/platform 1
Directly, gap is left between the displacement probe portion 3-1 of non-contact displacement transducer 3 and the lower surface 1-2 of force plate/platform 1, between being somebody's turn to do
The height of gap is in the detection sensitive range of non-contact displacement transducer 3, so as to ensure detectivity and detection accuracy.
The present embodiment detects the deformation quantity of force plate/platform 1, and the shape of force plate/platform 1 by non-contact displacement transducer 3
The size of variable and active force is in certain relation, measures the size that deformation quantity understands active force, this contactless survey
The range of power mode is bigger.
More specifically, the force plate/platform 1 of the present embodiment is rod-like structure, and the long L1=720mm of force plate/platform 1, wide W1
=200mm；The bearing plate 2-2 of bearing frame 2 long L2=200mm, the long L3=720mm of base 4；Bearing frame 2 in the unloaded state,
The distance between the displacement probe portion 3-1 of the non-contact displacement transducer 3 and lower surface 1-2 of force plate/platform 1 D=1.5mm.Should
Contactless device for measuring force passes through finite element analysis, and 1kN power is applied in one end of bearing frame 2, or at the two ends of bearing frame 2
Respectively plus 500N power, the deformation quantity at the middle part of force plate/platform 1 is identical.
On force plate/platform 1, part between base 4 and support plate 2-1 on measuring arm of force 1-3, i.e. force plate/platform 1
There is a measuring arm of force 1-3 both sides of bearing frame 2 respectively, and the deformation of force plate/platform 1 is occurred mainly on measuring arm of force 1-3, therefore, is
Ensure measuring arm of force 1-3 length, enable measuring arm of force 1-3 micro-strain in the range of the deformation of its elastic properties of materials, dynamometry
The length L1 of platform 1 takes 720mm, both can guarantee that the validity and accuracy of testing result, size can be made to be unlikely to too big again, side
Portable belt.
A kind of contactless device for measuring force based on safety management of the present utility model, passes through non-contact displacement transducer
Detect that the spacing between displacement probe portion and force plate/platform changes, obtain the deformation quantity of force plate/platform, and the deformation of force plate/platform
Amount and the size of active force are in certain relation, and analysis draws the normal pressure suffered by force plate/platform, so as to obtain external pressurized
The weight of force value or testee.Active force is contactless with displacement transducer, is not susceptible to damage；Force plate/platform is small
Deformation can be detected, and range ability is wide.The utility model can be by changing the sectional dimension of force plate/platform, thus it is possible to vary
Range ability, can be also applied in combination, range is then bigger using multiple device for measuring force.
The utility model can effectively prevent accident, technically be contributed for safety management using safety as target,
Certainly, the utility model can also be used for the field of weighing.
Schematically the utility model and embodiments thereof are described above, the description does not have restricted, accompanying drawing
Shown in be also one of embodiment of the present utility model, actual structure is not limited thereto.So, if this area
Those of ordinary skill enlightened by it, do not departing from the case that the utility model creates objective, without creatively designing
The frame mode similar to the technical scheme and embodiment, all should belong to protection domain of the present utility model.
Claims (6)
1. a kind of contactless device for measuring force based on safety management, it is characterised in that：Including base (4), force plate/platform (1),
Bearing frame (2) and non-contact displacement transducer (3), described force plate/platform (1) are set up on base (4), and with base (4)
Between form one and allow force plate/platform (1) to occur elastically-deformable cavity (5), described non-contact displacement transducer (3) is set
In cavity (5), to detect the deformation quantity of force plate/platform (1), described bearing frame (2) is located on force plate/platform (1) to bear
Load, and positioned at the centre of force plate/platform (1).
2. a kind of contactless device for measuring force based on safety management according to claim 1, it is characterised in that：Described
Non-contact displacement transducer (3) is located at the middle part of base (4), the underface positioned at bearing frame (2), and contactless displacement and passed
The displacement detection direction of sensor (3) is vertical with force plate/platform (1), and the displacement of described non-contact displacement transducer (3) is detected
Gap is left between portion (3-1) and force plate/platform (1).
3. a kind of contactless device for measuring force based on safety management according to claim 2, it is characterised in that：Described
Base (4) is " recessed " shape structure, and described force plate/platform (1) is set up in the two ends of base (4).
4. a kind of contactless device for measuring force based on safety management according to claim 1, it is characterised in that：Described
Bearing frame (2) is " recessed " shape structure, and is fallen on force plate/platform (1).
5. a kind of contactless device for measuring force based on safety management according to Claims 1 to 4 any one, its feature
It is：The device for measuring force is symmetrical structure.
6. a kind of contactless device for measuring force based on safety management according to claim 5, it is characterised in that：Described
Non-contact displacement transducer (3) uses magnetic detector or vortex finder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720392004.8U CN206609550U (en) | 2017-04-14 | 2017-04-14 | A kind of contactless device for measuring force based on safety management |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720392004.8U CN206609550U (en) | 2017-04-14 | 2017-04-14 | A kind of contactless device for measuring force based on safety management |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206609550U true CN206609550U (en) | 2017-11-03 |
Family
ID=60166997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720392004.8U Expired - Fee Related CN206609550U (en) | 2017-04-14 | 2017-04-14 | A kind of contactless device for measuring force based on safety management |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206609550U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112222377A (en) * | 2020-09-09 | 2021-01-15 | 广东联升精密机械制造有限公司 | Intelligent detection method for die-casting machine clamping force |
-
2017
- 2017-04-14 CN CN201720392004.8U patent/CN206609550U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112222377A (en) * | 2020-09-09 | 2021-01-15 | 广东联升精密机械制造有限公司 | Intelligent detection method for die-casting machine clamping force |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171103 Termination date: 20200414 |