CN203881532U - Force deformation measuring instrument - Google Patents
Force deformation measuring instrument Download PDFInfo
- Publication number
- CN203881532U CN203881532U CN201420307513.2U CN201420307513U CN203881532U CN 203881532 U CN203881532 U CN 203881532U CN 201420307513 U CN201420307513 U CN 201420307513U CN 203881532 U CN203881532 U CN 203881532U
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- Prior art keywords
- support
- disposed
- sway brace
- pressure transducer
- measuring instrument
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Abstract
The utility model discloses a force deformation measuring instrument which includes a profile bottom frame. A support is disposed on the profile bottom frame. A mounting plate is disposed at one side of the support. A horizontal supporting arm is disposed on the profile bottom frame in a sliding manner and a vertical supporting arm is disposed on the vertical supporting arm in a sliding manner. A displacement sensor is disposed on the horizontal supporting arm. A first pressure sensor is disposed on the vertical supporting arm. A plurality of connecting ribs are arranged in the mounting plate. The connecting ribs are vertical to each other. A plurality of test zones are formed by the connecting ribs. The test zones are separated from each other. An airbag layer wraps an external side of the mounting plate. A second pressure sensor is disposed in each test zone. An annular spring piece is disposed on the external side of each second pressure sensor. A plurality of elastic supporting pieces are disposed under each annular spring piece. A top contact surface of each second pressure sensor is lower than each annular spring piece. By means of the force deformation measuring instrument, defects in the prior art can be improved. Measuring precisions of small-size and low-hardness subjects can be improved.
Description
Technical field
The utility model relates to deformation technical field of measurement and test, especially a kind of stress and deformation measuring instrument.
Background technology
In the production and processing of various mechanical component, very necessary during to the measurement of its pressurized deformation quantity.Chinese utility model patent CN 201885702U discloses a kind of load deformation testing system, has realized the detection to testee deformation quantity by hydraulic system.This structure subsystem complexity, the object that is applicable to large volume high rigidity is measured.But, cannot ensure its measuring accuracy for the object of small size and soft.
utility model content
The technical problems to be solved in the utility model is to provide a kind of stress and deformation measuring instrument, can solve the deficiencies in the prior art, has improved the measuring accuracy of small size and soft object.
For solving the problems of the technologies described above, technical solution adopted in the utility model is as follows.
A kind of stress and deformation measuring instrument, comprise section bar underframe, on section bar underframe, be provided with support, one side of support is provided with installing plate, on section bar underframe, also slides and is provided with horizontal support arms, in horizontal support arms, slides and is provided with vertical sway brace, vertically sway brace bottom is provided with test board, on horizontal support arms and vertical sway brace, be respectively provided with a control hand wheel, in described horizontal support arms, be provided with displacement transducer, on described vertical sway brace, be provided with the first pressure transducer; In described installing plate, be provided with several orthogonal dowels, dowel forms several independently surveyed areas, be enclosed with air bag layer in installing plate outside, be provided with second pressure transducer in each surveyed area, the second pressure transducer arranged outside has annular shell fragment.Annular shell fragment below is provided with several elastic support sheets, the top surface of contact of the second pressure transducer is lower than cyclic spring, elastic support sheet comprises the first support chip that upper and lower two ends are obliquely installed, two the first support chips be arranged in parallel, between two the first support chips, be connected with the second support chip, the second support chip is horizontally disposed with.
As preferably, described in be provided with spring body between the dowel that joins.
As preferably, described test board is connected by back shaft with vertical sway brace, back shaft and be vertically provided with damping buffering layer between sway brace, and described the first pressure transducer is connected with back shaft by fluid pressure line.
The beneficial effect that adopts technique scheme to bring is: the utility model, by adjusting the position of horizontal support arms and vertical sway brace, is realized without the application of force at position and being measured.Installing plate is designed to multiple independently measured zone, can realize multipoint measurement simultaneously.Dowel between different measuring region connects by spring body, can avoid dowel to form hard support to testee and the measurement of the second pressure transducer is produced to error.Air bag layer wraps up whole installing plate, in playing protection installing plate and tested part, further tested part and dowel is cushioned.The diverse location of testee acts in different measured zone, and first annular shell fragment carries out integrated support to application of force surface, avoids special-shaped position to produce to the second pressure transducer the effect of exerting pressure separately.The effect of elastic support sheet is that pressure is carried out to linear buffer, the first support chip can be offset the horizontal component in pressure, improve measuring accuracy, the second support chip is used for transfer function power between the first support chip, can not exert an influence to vertical acting force again simultaneously.Test board can rotate around back shaft, be used for automatically adapting to the shape of surface of contact, back shaft can produce relative displacement with vertical sway brace under the effect of pressure, and by fluid pressure line by force transmission to the first pressure transducer, improve the accuracy of detection of first sensor.
Brief description of the drawings
Fig. 1 is the schematic diagram of an embodiment of the utility model.
Fig. 2 is the schematic diagram of installing plate in embodiment of the utility model.
Fig. 3 is the schematic diagram that in embodiment of the utility model, test board is connected with vertical sway brace.
Fig. 4 is the schematic diagram of horizontal support arms fixed sturcture in embodiment of the utility model.
In figure: 1, section bar underframe; 2, support; 3, installing plate; 4, horizontal support arms; 5, vertical sway brace; 6, test board; 7, control hand wheel; 8, dowel; 9, air bag layer; 10, displacement transducer; 11, the first pressure transducer; 12, the second pressure transducer; 13, annular shell fragment; 14, the first support chip; 15, spring body; 16, back shaft; 17, damping buffering layer; 18, fluid pressure line; 19, turning axle; 20, the first gear; 21, the second gear; 22, fixed gear; 23, reinforcement; 24, the second support chip.
Embodiment
The standardized element using in the utility model all can be bought from the market, shaped piece all can carry out customized according to instructions with record accompanying drawing, the connected mode of each part all adopts the conventional meanses such as bolt ripe in prior art, rivet, welding, stickup, is not described in detail in this.
With reference to Fig. 1-4, embodiment of the utility model comprises section bar underframe 1, on section bar underframe 1, be provided with support 2, one side of support 2 is provided with installing plate 3, on section bar underframe 1, also slide and be provided with horizontal support arms 4, in horizontal support arms 4, slide and be provided with vertical sway brace 5, vertically sway brace 5 bottoms are provided with test board 6, on horizontal support arms 4 and vertical sway brace 5, be respectively provided with a control hand wheel 7, in described horizontal support arms 4, be provided with displacement transducer 10, on described vertical sway brace 5, be provided with the first pressure transducer 11; In described installing plate 3, be provided with several orthogonal dowels 8, dowel 8 forms several independently surveyed areas, be enclosed with air bag layer 9 in installing plate 3 outsides, in each surveyed area, be provided with second pressure transducer 12, the second pressure transducer 12 arranged outside and have annular shell fragment 13.Annular shell fragment 13 belows are provided with several elastic support sheets, the top surface of contact of the second pressure transducer 12 is lower than cyclic spring 13, elastic support sheet comprises the first support chip 14 that upper and lower two ends are obliquely installed, two the first support chips 14 be arranged in parallel, between two the first support chips 14, being connected with the second support chip 14, the second support chips 14 is horizontally disposed with.Between the described dowel joining 8, be provided with spring body 15.By adjusting the position of horizontal support arms 4 and vertical sway brace 5, realize without the application of force at position and measuring.Installing plate 3 is designed to multiple independently measured zone, can realize multipoint measurement simultaneously.Dowel 8 between different measuring region connects by spring body 15, can avoid dowel 8 to form hard support to testee and the measurement of the second pressure transducer 12 is produced to error.Air bag layer 9 wraps up whole installing plate 3, in playing protection installing plate 3 and tested part, further tested part and dowel 8 is cushioned.The diverse location of testee acts in different measured zone, and first annular shell fragment 13 carries out integrated support to application of force surface, avoids special-shaped position to produce to the second pressure transducer 12 effect of exerting pressure separately.The effect of elastic support sheet is that pressure is carried out to linear buffer, the first support chip 14 can be offset the horizontal component in pressure, improve measuring accuracy, the second support chip 24 is used for transfer function power between the first support chip 14, can not exert an influence to vertical acting force again simultaneously.Described test board 6 is connected by back shaft 16 with vertical sway brace 5, between back shaft 16 and vertical sway brace 5, is provided with damping buffering layer 17, and described the first pressure transducer 11 is connected with back shaft 16 by fluid pressure line 18.Test board 6 can rotate around back shaft 16, be used for automatically adapting to the shape of surface of contact, back shaft 16 can produce relative displacement with vertical sway brace 5 under the effect of pressure, and pass through fluid pressure line 18 by force transmission to the first pressure transducer 11, improve the accuracy of detection of first sensor 11.Between horizontal support arms 4 and vertical sway brace 5, be provided with reinforcement 23.
Wherein, in horizontal support arms 4, be connected with control hand wheel 7 by turning axle 19, control hand wheel 7 inner sides are provided with the first gear 20, and turning axle 19 arranged outside have the length of the second gear 21, the first gears 20 that are meshed with the first gear 20 to be greater than the second gear 21.Horizontal support arms 4 inner sides be provided with fixed gear 22, the first gears 20 by control hand wheel 7 moving forward and backward on turning axle 19 realize and engage with the selectivity of fixed gear 22, in this while, the first gear 20 keeps and the engagement of the second gear 21 always.In the time that needs are adjusted horizontal level, adjust by the rotation of control hand wheel 7, after adjusting, control hand wheel 7 is inwardly advanced, engage with fixed gear 22, realize the locking of whole horizontal support arms 4.This has just been avoided the error due to the micro-displacement of horizontal support arms 4, test result being caused in test process.
More than show and described ultimate principle of the present utility model and principal character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; that in above-described embodiment and instructions, describes just illustrates principle of the present utility model; do not departing under the prerequisite of the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (3)
1. a stress and deformation measuring instrument, comprise section bar underframe (1), on section bar underframe (1), be provided with support (2), one side of support (2) is provided with installing plate (3), on section bar underframe (1), also slide and be provided with horizontal support arms (4), the upper slip of horizontal support arms (4) is provided with vertical sway brace (5), vertically sway brace (5) bottom is provided with test board (6), on horizontal support arms (4) and vertical sway brace (5), be respectively provided with a control hand wheel (7), it is characterized in that: in described horizontal support arms (4), be provided with displacement transducer (10), on described vertical sway brace (5), be provided with the first pressure transducer (11), in described installing plate (3), be provided with several orthogonal dowels (8), dowel (8) forms several independently surveyed areas, be enclosed with air bag layer (9) in installing plate (3) outside, in each surveyed area, be provided with second pressure transducer (12), the second pressure transducer (12) arranged outside has annular shell fragment (13), annular shell fragment (13) below is provided with several elastic support sheets, the top surface of contact of the second pressure transducer (12) is lower than cyclic spring (13), elastic support sheet comprises the first support chip (14) that upper and lower two ends are obliquely installed, two the first support chips (14) be arranged in parallel, between two the first support chips (14), be connected with the second support chip (24), the second support chip (24) is horizontally disposed with.
2. stress and deformation measuring instrument according to claim 1, is characterized in that: described in be provided with spring body (15) between the dowel (8) that joins.
3. stress and deformation measuring instrument according to claim 1, it is characterized in that: described test board (6) is connected by back shaft (16) with vertical sway brace (5), between back shaft (16) and vertical sway brace (5), be provided with damping buffering layer (17), described the first pressure transducer (11) is connected with back shaft (16) by fluid pressure line (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420307513.2U CN203881532U (en) | 2014-06-11 | 2014-06-11 | Force deformation measuring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420307513.2U CN203881532U (en) | 2014-06-11 | 2014-06-11 | Force deformation measuring instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203881532U true CN203881532U (en) | 2014-10-15 |
Family
ID=51682018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420307513.2U Expired - Fee Related CN203881532U (en) | 2014-06-11 | 2014-06-11 | Force deformation measuring instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203881532U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106289967A (en) * | 2015-06-10 | 2017-01-04 | 北京市电加工研究所 | A kind of in-place detection system measuring parts amount of deflection |
| CN109186532A (en) * | 2018-10-23 | 2019-01-11 | 安徽深泽电子股份有限公司 | A kind of printed circuit board (PCB) detecting transmission device |
| CN113125052A (en) * | 2021-03-30 | 2021-07-16 | 于智育 | Pressure sensor and detection method thereof |
| CN114659487A (en) * | 2022-03-21 | 2022-06-24 | 贵州省建材产品质量检验检测院 | Base material transverse deformation monitoring device based on building material detection |
-
2014
- 2014-06-11 CN CN201420307513.2U patent/CN203881532U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106289967A (en) * | 2015-06-10 | 2017-01-04 | 北京市电加工研究所 | A kind of in-place detection system measuring parts amount of deflection |
| CN109186532A (en) * | 2018-10-23 | 2019-01-11 | 安徽深泽电子股份有限公司 | A kind of printed circuit board (PCB) detecting transmission device |
| CN109186532B (en) * | 2018-10-23 | 2020-09-25 | 安徽深泽电子股份有限公司 | Printed circuit board detection transmission device |
| CN113125052A (en) * | 2021-03-30 | 2021-07-16 | 于智育 | Pressure sensor and detection method thereof |
| CN113125052B (en) * | 2021-03-30 | 2022-05-27 | 于智育 | Pressure sensor and detection method thereof |
| CN114659487A (en) * | 2022-03-21 | 2022-06-24 | 贵州省建材产品质量检验检测院 | Base material transverse deformation monitoring device based on building material detection |
| CN114659487B (en) * | 2022-03-21 | 2024-05-31 | 贵州省建材产品质量检验检测院 | Lateral deformation monitoring device for base material based on building material detection |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141015 Termination date: 20180611 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |