CN207650040U - Big load multi dimension load transducer - Google Patents
Big load multi dimension load transducer Download PDFInfo
- Publication number
- CN207650040U CN207650040U CN201721396473.3U CN201721396473U CN207650040U CN 207650040 U CN207650040 U CN 207650040U CN 201721396473 U CN201721396473 U CN 201721396473U CN 207650040 U CN207650040 U CN 207650040U
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- rack
- multi dimension
- oil cylinder
- load
- pressing oil
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Abstract
The utility model discloses a kind of big load multi dimension load transducers, its key points of the technical solution are that including the rack being mounted on above pressure-shear test machine and the testing agency being arranged towards weighted platform on pressure-shear test machine, the rack is inverted U shape setting, two rack legs of rack are separately mounted to the both sides of pressure-shear test machine, it is provided with down pressing oil cylinder in the rack, the testing agency is mounted on the piston rod of down pressing oil cylinder, drive testing agency close towards the weighted platform on pressure-shear test machine by down pressing oil cylinder, the testing agency includes multi dimension sensor and three component sensors, the multi dimension sensor is mounted on the piston rod of down pressing oil cylinder, the three component sensor is mounted on the downside of multi dimension sensor.The big load multi dimension load transducer of the utility model can accurately measure the load in each direction of test specimen.
Description
Technical field
The utility model is related to a kind of big load multi dimension load transducers.
Background technology
The measurement of the load of large size pressure-shear test machine use is unidirectional load transducer system at present, is especially pressed
The load that the dynamometric system on oil cylinder is measured is sheared when scissor test also to set other than the load of test specimen generated due to deformation
The factors such as standby frictional force, since vertical load is 10 times or so big compared with shearing oil cylinder, even with rolling linear
The influence of guide rail, frictional force makes the accuracy of detection of system greatly reduce also close to 3% or so of shearing force, can not be correct
The characteristic of test specimen is examined and determine, and frictional force is also impossible to completely eliminate using software, furthermore nor a constant, frictional force are deposited
In the shape and smoothness of also strong influence test defect.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide one kind capable of accurately measuring test specimen
The big load multi dimension load transducer of the load in each direction.
To achieve the above object, the utility model provides following technical solution：A kind of big load multi dimension load sensing
Device includes the rack above pressure-shear test machine and the testing agency towards weighted platform setting on pressure-shear test machine, institute
It states rack and is inverted U shape setting, two rack legs of rack are separately mounted to the both sides of pressure-shear test machine, be provided in the rack
Down pressing oil cylinder, the testing agency are mounted on the piston rod of down pressing oil cylinder, drive testing agency towards pressure by down pressing oil cylinder
Weighted platform on shear test machine is close, and the testing agency includes multi dimension sensor and three component sensors, described more points
Force snesor is mounted on the piston rod of down pressing oil cylinder, and the three component sensor is mounted on the downside of multi dimension sensor.
The utility model is further arranged to：Sliding rack, the piston of the down pressing oil cylinder are slidably fitted in the rack
Bar connects sliding rack, drives sliding rack to be moved up and down in rack by down pressing oil cylinder.
The utility model is further arranged to：The multi dimension sensor is provided with 4, and is arranged under sliding rack
Side surface.
The utility model is further arranged to：The lower horizontal of the multi dimension sensor is provided with mounting plate, more than 4 points
Force snesor is all connected with mounting plate, and the three component sensor installation is on a mounting board.
The utility model tool has the advantage that：1, the load in each direction of test specimen can accurately be measured；
2, the accuracy of detection of whole system can be improved, the testing requirements of test specimen are greatly met；
3, it may not necessarily spend a large amount of funds that can also meet the needs of experiment on the shearing guide rail of movement；
4, the blank in terms of domestic large-tonnage multi dimension load transducer and gauge check can be filled up；
By being equipped with, the frictional force of guide rail can be eliminated and being used to while multi dimension sensor and three component sensors
Property power the measurement of experimental result is influenced, by being arranged in parallel for 4 multi dimension sensors, improve large-tonnage pressure detecting effect
Fruit improves the structural stability in rack by the setting of sliding rack, can avoid going out in laterally load and longitudinal loading procedure
Existing multi dimension sensor installation is insecure, the case where causing down pressing oil cylinder to fall off with sensor.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the upward view at the multi dimension sensor of the utility model；
Fig. 3 is the friction testing curve graph of the utility model.
In figure：1, rack；2, down pressing oil cylinder；3, multi dimension sensor；4, three component sensor；5, sliding rack；6, it installs
Plate.
Specific implementation mode
Shown in 3, a kind of big load multi dimension load transducer of the present embodiment, including it is mounted on compression shear examination
The rack 1 tested above machine and the testing agency being arranged towards weighted platform on pressure-shear test machine, the rack 1 are inverted U shape setting,
Two rack legs of rack 1 are separately mounted to the both sides of pressure-shear test machine, down pressing oil cylinder 2, the inspection are provided in the rack 1
It surveys mechanism to be mounted on the piston rod of down pressing oil cylinder 2, drives testing agency towards adding on pressure-shear test machine by down pressing oil cylinder 2
Carrying platform is close, and the testing agency includes multi dimension sensor 3 and three component sensors 4, and the multi dimension sensor 3 is installed
On the piston rod of down pressing oil cylinder 2, the three component sensor 4 is mounted on the downside of multi dimension sensor 3.
Sliding rack 5 is slidably fitted in the rack 1, the piston rod of the down pressing oil cylinder connects sliding rack 5, passes through pushing
Oil cylinder 2 drives sliding rack 5 to be moved up and down in rack 1.
The multi dimension sensor 3 is provided with 4, and is arranged at the downside surface of sliding rack 5.
The lower horizontal of the multi dimension sensor 3 is provided with 6,4 multi dimension sensors 3 of mounting plate and is all connected with mounting plate
6, the three component sensor 4 is mounted on mounting plate 6.
A kind of calibration metering method of big load multi dimension load transducer, step are：
(1), on the weighted platform that the measurement test specimen that need to be tested is placed on pressure-shear test machine；
(2), control down pressing oil cylinder 2 moves down so that sliding rack 5 drives multi dimension sensor 3 and three component sensors, 4 direction
It is close to measure test specimen, and makes three component sensors 4 pressure is touched measuring surface of test piece；
(3), pass through the horizontal and vertical load of control pressure-shear test machine so that weighted platform drives measurement test specimen to do transverse direction
With longitudinal load movement；
(4), when pressure-shear test machine is run, multi dimension sensor 3 and three component sensors 4 carry out lateral loading force, indulge
To loading force and the gauge check of Plumb load power；
(5) and then by settling accounts formula：Carry out calibration metering；
(6), it after the completion of metric results are tested, carries out second and detects, by the acquisition of repeated detection data, improve
The reliability of experimental check data.
The result of above-mentioned any software correction of curve can only remove a basic frictional force, and it is that can not solve to fluctuate
Certainly.Therefore the test result for influencing trial curve reduces guide rail by increased a set of three component sensor, 4 measuring system
Influence of the friction and inertia power to measurement result.
By using above-mentioned technical proposal, 1, can accurately measure the load in each direction of test specimen；
2, the accuracy of detection of whole system can be improved, the testing requirements of test specimen are greatly met；
3, it may not necessarily spend a large amount of funds that can also meet the needs of experiment on the shearing guide rail of movement；
4, the blank in terms of domestic large-tonnage multi dimension load transducer and gauge check can be filled up；
By being equipped with while multi dimension sensor 3 and three component sensors 4, can eliminate guide rail frictional force and
Inertia force influences the measurement of experimental result, by being arranged in parallel for 4 multi dimension sensors 3, improves the inspection of large-tonnage pressure
Effect is surveyed, by the setting of sliding rack 5, improves the structural stability in rack 1, laterally load can be avoided to be loaded with longitudinal
Occur multi dimension sensor 3 in journey and insecure, the case where causing down pressing oil cylinder 2 and sensor to fall off is installed.
The above is only the preferred embodiment of the utility model, and the scope of protection of the utility model is not limited merely to
Above-described embodiment, technical solution belonging to the idea of the present invention belong to the scope of protection of the utility model.It should refer to
Go out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and
Retouching, these improvements and modifications also should be regarded as the scope of protection of the utility model.
Claims (4)
1. a kind of big load multi dimension load transducer, it is characterised in that：Include rack above pressure-shear test machine and
The testing agency that weighted platform is arranged on towards pressure-shear test machine, the rack are inverted U shape setting, two rack legs point of rack
Not An Zhuan pressure-shear test machine both sides, down pressing oil cylinder is provided in the rack, the testing agency is mounted on down pressing oil cylinder
Piston rod on, by down pressing oil cylinder drive testing agency it is close towards the weighted platform on pressure-shear test machine, the detection machine
Structure includes multi dimension sensor and three component sensors, and the multi dimension sensor is mounted on the piston rod of down pressing oil cylinder, institute
State the downside that three component sensors are mounted on multi dimension sensor.
2. big load multi dimension load transducer according to claim 1, it is characterised in that：It is slidably installed in the rack
Have a sliding rack, the piston rod of the down pressing oil cylinder connects sliding rack, by down pressing oil cylinder drive sliding rack in rack on move down
It is dynamic.
3. big load multi dimension load transducer according to claim 2, it is characterised in that：The multi dimension sensor is set
4 are equipped with, and is arranged at the downside surface of sliding rack.
4. big load multi dimension load transducer according to claim 3, it is characterised in that：The multi dimension sensor
Lower horizontal is provided with mounting plate, and 4 multi dimension sensors are all connected with mounting plate, and the three component sensor is mounted on mounting plate
On.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721396473.3U CN207650040U (en) | 2017-10-25 | 2017-10-25 | Big load multi dimension load transducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721396473.3U CN207650040U (en) | 2017-10-25 | 2017-10-25 | Big load multi dimension load transducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207650040U true CN207650040U (en) | 2018-07-24 |
Family
ID=62884554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721396473.3U Active CN207650040U (en) | 2017-10-25 | 2017-10-25 | Big load multi dimension load transducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207650040U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107621422A (en) * | 2017-10-25 | 2018-01-23 | 北京富力通达科技有限公司 | Big load multi dimension load transducer and its demarcation metering method |
-
2017
- 2017-10-25 CN CN201721396473.3U patent/CN207650040U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107621422A (en) * | 2017-10-25 | 2018-01-23 | 北京富力通达科技有限公司 | Big load multi dimension load transducer and its demarcation metering method |
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