CN202002770U - Force sensor calibration and comparison device for engine dynamometer - Google Patents
Force sensor calibration and comparison device for engine dynamometer Download PDFInfo
- Publication number
- CN202002770U CN202002770U CN2011200916452U CN201120091645U CN202002770U CN 202002770 U CN202002770 U CN 202002770U CN 2011200916452 U CN2011200916452 U CN 2011200916452U CN 201120091645 U CN201120091645 U CN 201120091645U CN 202002770 U CN202002770 U CN 202002770U
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- power equipment
- sensor
- piston
- force sensor
- standard transducer
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Abstract
The utility model discloses a force sensor calibration and comparison device for an engine dynamometer, which comprises a dynamometer, wherein the dynamometer is provided with a sensor to be measured and a force arm rod, a telescopic device used for exerting the force on the form arm rod is arranged under the force arm rod, a standard sensor is arranged on the telescopic device, the sensor to be tested and the standard sensor are connected with a data collection module through a signal wire, and the data collection module is connected to a data comparison recording device through a signal wire. The telescopic device is used for exerting the force onto the force arm rod of the dynamometer, the original method of using a poise for the sensor calibration inspection is replaced, the work intensity of workers is reduced to a certain degree, a system automatically carries out recording and comparison analysis, and the inspection and calibration efficiency is improved.
Description
Technical field
The utility model relates to a kind of engine measurement of power equipment force sensor caliberating comparison device.
Background technology
The dynamometer machine that uses is demarcated with tension-compression sensor and the most original counterweight lever of moment of torsion flange demarcation employing and is checked at present, demarcate each time and check 10 to 15 20kg counterweights of use, sometimes need to carry out repeatedly back and forth in order to repeat the effect accuracy, labor capacity is big, efficient is low, the sensor and the theoretical value of being checked need manual record, and artificial comparison can not provide departure automatically.
Summary of the invention
The technical problems to be solved in the utility model provides and a kind ofly can write down the theoretical value of the application of force and by the engine measurement of power equipment force sensor caliberating comparison device of the displayed value of calibration sensor.
For solving the problems of the technologies described above, the utility model comprises measurement of power equipment, measurement of power equipment has tested sensor and arm bar, its design feature is the retractor device that is provided with below arm bar the arm bar application of force, standard transducer is installed on the retractor device, described tested sensor and standard transducer are connected with data acquisition module by signal wire, and data acquisition module is connected to relatively pen recorder of data through signal wire.
Described retractor device comprises hydraulic cylinder, is provided with piston in the hydraulic cylinder, is installed with lower support bar on the piston, and standard transducer is installed on the lower support bar, is connected with expansion link on the standard transducer; Or described retractor device comprises cylinder block, is provided with piston in the cylinder block, is installed with lower support bar on the piston, and standard transducer is installed on the lower support bar, is connected with expansion link on the standard transducer.
Be provided with level meter at piston-top surface.
Be provided with place kick on the expansion link top, described arm bar bottom surface is provided with the pit corresponding with described place kick.
After adopting said structure, by retractor device the arm bar of measurement of power equipment is carried out the application of force, replace original counterweight that utilizes to carry out the transducer calibration inspection, alleviated intensity of workers to a certain extent, system writes down automatically and comparative analysis has improved the efficient of checking demarcation, provide different application of force sizes by retractor device, can write down the measuring amount that is examined sensor and standard transducer automatically, and deviated.
Description of drawings
Below in conjunction with accompanying drawing embodiment of the present utility model is described in further detail:
Fig. 1 is the structural representation of an embodiment of the utility model;
Fig. 2 is the structural representation of another embodiment of the utility model.
Embodiment
Engine measurement of power equipment force sensor caliberating comparison device shown in Figure 1, comprise measurement of power equipment 1, measurement of power equipment 1 has tested sensor 2 and arm bar 3, below arm bar 3, be provided with retractor device to arm bar 3 application of forces, this retractor device comprises hydraulic cylinder 14, hydraulic cylinder 14 has feed liquor pipeline and liquid back pipe road, feed liquor pipeline and liquid back pipe road are communicated to feed liquor station 12, the feed liquor pipeline is provided with pressure regulator valve 13, the liquid back pipe road is provided with accurate adjustment valve 15, is provided with piston 11 in the hydraulic cylinder 14, is installed with lower support bar 9 on the piston 11, standard transducer 7 is installed on the lower support bar 9, is connected with expansion link 5 on the standard transducer 7.In order to adjust the levelness of piston 11 upper surfaces, be provided with level meter 10 at piston 11 end faces, by observing the state of two level meters, thereby make expansion link 5 vertical with arm bar, according to the height difference of different measurement of power equipment arm bars, can reach the support requirement by the contract height of bar 5 of adjustment.In order locating conveniently, to be provided with place kick 4 on expansion link 5 tops, and to be provided with the pit corresponding in arm bar 3 bottom surfaces with place kick 4.Tested sensor 2 and standard transducer 7 are connected with data acquisition module 6 by signal wire, and data acquisition module 6 is connected to relatively pen recorder 8 of data through signal wire, and data acquisition module 6 is known module, and data relatively pen recorder 8 adopt data computer.By adjusting pressure-regulating valve, be set condition with the pressure that enters the liquid in the hydraulic cylinder, write down the reading of tested sensor and standard transducer, being compared to calculate by software for calculation provides deviate; After finishing afterburning gradually test process, by metering pin valve, the pressure the during backhaul of record sensor, and give place's computational analysis.
Engine measurement of power equipment force sensor caliberating comparison device and aforementioned structure shown in Figure 2 are basic identical, difference is that retractor device comprises cylinder block 14, cylinder block 14 has air inlet pipeline and return line, air inlet pipeline and return line are communicated to air feed pump, air inlet pipeline is provided with pressure regulator valve 13, return line is provided with accurate adjustment valve 15, be provided with piston 11 in the cylinder block 14, be installed with lower support bar 9 on the piston 11, standard transducer 7 is installed on the lower support bar 9, is connected with expansion link 5 on the standard transducer 7.
Claims (5)
1. engine measurement of power equipment force sensor caliberating comparison device, comprise measurement of power equipment (1), measurement of power equipment (1) has tested sensor (2) and arm bar (3), it is characterized in that below arm bar (3), being provided with retractor device to arm bar (3) application of force, standard transducer (7) is installed on the retractor device, described tested sensor (2) and standard transducer (7) are connected with data acquisition module (6) by signal wire, and data acquisition module (6) is connected to relatively pen recorder (8) of data through signal wire.
2. engine measurement of power equipment force sensor caliberating comparison device according to claim 1, it is characterized in that described retractor device comprises hydraulic cylinder (14), be provided with piston (11) in the hydraulic cylinder (14), be installed with lower support bar (9) on the piston (11), standard transducer (7) is installed on the lower support bar (9), is connected with expansion link (5) on the standard transducer (7).
3. engine measurement of power equipment force sensor caliberating comparison device according to claim 1, it is characterized in that described retractor device comprises cylinder block (14), be provided with piston (11) in the cylinder block (14), be installed with lower support bar (9) on the piston (11), standard transducer (7) is installed on the lower support bar (9), is connected with expansion link (5) on the standard transducer (7).
4. according to claim 2 or 3 described engine measurement of power equipment force sensor caliberating comparison devices, it is characterized in that being provided with level meter (10) at piston (11) end face.
5. according to claim 2 or 3 described engine measurement of power equipment force sensor caliberating comparison devices, it is characterized in that being provided with place kick (4) on expansion link (5) top, described arm bar (3) bottom surface is provided with and the corresponding pit of described place kick (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200916452U CN202002770U (en) | 2011-03-31 | 2011-03-31 | Force sensor calibration and comparison device for engine dynamometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200916452U CN202002770U (en) | 2011-03-31 | 2011-03-31 | Force sensor calibration and comparison device for engine dynamometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202002770U true CN202002770U (en) | 2011-10-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200916452U Expired - Fee Related CN202002770U (en) | 2011-03-31 | 2011-03-31 | Force sensor calibration and comparison device for engine dynamometer |
Country Status (1)
| Country | Link |
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| CN (1) | CN202002770U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102944355A (en) * | 2012-10-24 | 2013-02-27 | 连云港步升机械有限公司 | Calibration stand of tension monitoring stress hinge pin for cable disengaging hook |
| CN103542979A (en) * | 2013-11-05 | 2014-01-29 | 上海西派埃自动化仪表工程有限责任公司 | Portable calibration device for parking braking performance tester |
| CN105092200A (en) * | 2015-09-01 | 2015-11-25 | 辽宁工业大学 | Starting impact test system for automobile engines |
| CN105699008A (en) * | 2016-02-25 | 2016-06-22 | 重庆长安汽车股份有限公司 | Device for disposing weights and moment arms of dynamometer marking instrument |
| CN107687950A (en) * | 2017-09-30 | 2018-02-13 | 广西玉柴机器股份有限公司 | A kind of convenient detection method and device of load sensor dynamic property |
| CN111366286A (en) * | 2020-03-16 | 2020-07-03 | 福建工程学院 | Brake pad static locking torque measuring device and using method thereof |
| KR102174745B1 (en) * | 2020-04-06 | 2020-11-05 | 주식회사 이노제스트 | Calibration system for torque measuring apparatus |
-
2011
- 2011-03-31 CN CN2011200916452U patent/CN202002770U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102944355A (en) * | 2012-10-24 | 2013-02-27 | 连云港步升机械有限公司 | Calibration stand of tension monitoring stress hinge pin for cable disengaging hook |
| CN103542979A (en) * | 2013-11-05 | 2014-01-29 | 上海西派埃自动化仪表工程有限责任公司 | Portable calibration device for parking braking performance tester |
| CN103542979B (en) * | 2013-11-05 | 2015-08-12 | 上海西派埃自动化仪表工程有限责任公司 | Portable performance of parking brake tester caliberating device |
| CN105092200A (en) * | 2015-09-01 | 2015-11-25 | 辽宁工业大学 | Starting impact test system for automobile engines |
| CN105092200B (en) * | 2015-09-01 | 2017-07-28 | 辽宁工业大学 | Car engine start shock measuring system |
| CN105699008A (en) * | 2016-02-25 | 2016-06-22 | 重庆长安汽车股份有限公司 | Device for disposing weights and moment arms of dynamometer marking instrument |
| CN105699008B (en) * | 2016-02-25 | 2018-04-03 | 重庆长安汽车股份有限公司 | A kind of counterweight, device of the arm of force for being used to place dynamometer machine marking apparatus |
| CN107687950A (en) * | 2017-09-30 | 2018-02-13 | 广西玉柴机器股份有限公司 | A kind of convenient detection method and device of load sensor dynamic property |
| CN111366286A (en) * | 2020-03-16 | 2020-07-03 | 福建工程学院 | Brake pad static locking torque measuring device and using method thereof |
| KR102174745B1 (en) * | 2020-04-06 | 2020-11-05 | 주식회사 이노제스트 | Calibration system for torque measuring apparatus |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111005 Termination date: 20200331 |