CN203259435U - ARM (Advanced RISC Machine)-based roller abrasion testing machine - Google Patents

ARM (Advanced RISC Machine)-based roller abrasion testing machine Download PDF

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Publication number
CN203259435U
CN203259435U CN 201320160197 CN201320160197U CN203259435U CN 203259435 U CN203259435 U CN 203259435U CN 201320160197 CN201320160197 CN 201320160197 CN 201320160197 U CN201320160197 U CN 201320160197U CN 203259435 U CN203259435 U CN 203259435U
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CN
China
Prior art keywords
arm
testing machine
roller
module
mechanical transmission
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Expired - Fee Related
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CN 201320160197
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Chinese (zh)
Inventor
蔡景
张祥
林海彬
欧阳晓宇
刁海飞
袁锴
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Nanjing University of Aeronautics and Astronautics
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Nanjing University of Aeronautics and Astronautics
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Priority to CN 201320160197 priority Critical patent/CN203259435U/en
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Abstract

The utility model relates to an ARM (Advanced RISC Machine)-based roller abrasion testing machine which comprises a testing machine main body and an ARM-based control system. The ARM-based roller abrasion testing machine is characterized in that the testing machine main body comprises a mechanical transmission mechanism, a hydraulic loading mechanism, a testing roller, a test-accompanying wheel and a roller clamp, the roller clamp is arranged at the head of the hydraulic loading mechanism, the testing roller is fixed on the roller clamp, the test-accompanying wheel is sleeved on the end part of a main shaft of the mechanical transmission mechanism, the testing roller is in contact with the test-accompanying wheel under a load of the hydraulic loading mechanism and opposite rolling abrasion is caused; and in addition, the control system is respectively communicated with the hydraulic loading mechanism and the mechanical transmission mechanism for feeding back and controlling the rotating speed and the load. The ARM-based roller abrasion testing machine meets the requirement of safe and reliable running of a roller abrasion test, and has the characteristics of small volume, high precision, convenience in operation, advanced technology, low cost and the like.

Description

A kind of rolling wheel wear testing machine based on ARM
Technical field
The utility model relates to a kind of equipment for friction-wear test research, relates to specifically a kind of rolling wheel wear experimental facilities based on ARM.
Background technology
At present common roller-test machine is all to adopt counterweight to load on the market, can not realize stepless loading, thereby can't realize the test of similar progressive stress acceleration etc.And, testing machine is mostly an external PC and corresponding software is installed is built TT﹠C system at present, although such TT﹠C system has good performance, but also exist a lot of weakness: a structural integrity and multiple functional industrial computer are used as special TT﹠C system, will cause the larger waste of resource, and occupy larger space; Use PC can increase the holistic cost of testing machine, affect its price competitiveness on market; Use PC stability and reliability also lower, a little less than contamination resistance.Especially for use in producing the dust such as cement, concrete larger enterprise, its life-span can reduce greatly; Because PC is not own Production design, its extensibility and maintainability must be greatly affected.
Therefore, adopt hydraulic loading mechanism and based on the control system of ARM, can greatly improve the indexs such as performance, reliability, economy of roller-test machine, at present domestic also do not have a similar testing machine.
The utility model content
Be to solve the deficiencies in the prior art, the purpose of this utility model is to provide that a kind of volume is little, simple and reasonable, easy to operate, reliability is high, can realize the rolling wheel wear testing machine based on ARM to accurate measurement and the control of experimental data.
For achieving the above object, the utility model is to realize by following technical scheme:
A kind of rolling wheel wear testing machine based on ARM; It is characterized in that; Comprise the testing machine main body and based on the control system of ARM; Described testing machine main body comprises mechanical transmission mechanism; Hydraulic loading mechanism; The test roller; Accompany examination wheel and roller fixture; Described roller fixture is arranged on the head of hydraulic loading mechanism; Described test roller is fixed on the roller fixture; Described spindle nose of accompanying the examination wheel to be socketed in mechanical transmission mechanism; And described test roller under the driving of hydraulic loading mechanism with accompany examination wheel to contact and form barreling is damaged; In addition; Described control system based on ARM is communicated with hydraulic loading mechanism and mechanical transmission mechanism respectively carries out rotating speed; The feedback and the control that load.
Described mechanical transmission mechanism comprises variable-frequency motor, flexible clutch and main shaft, and described variable-frequency motor is connected with main shaft by flexible clutch.
Wherein, the outside of described main shaft also is socketed with axle sleeve, and the described main shaft of examination wheel both sides of accompanying is fixed on two bearing seats that are set up in parallel by rolling bearing respectively, and described two bearing seats are fixed on the left side of testing machine frame.
Further, the described examination wheel of accompanying comprises liner and outer ring friction ring, and described outer ring friction ring is arranged on the periphery of liner.
And described hydraulic loading mechanism comprises base plate, back up pad, hydraulic pump and sliding shoe, described base plate is fixed on the right side of experimental machine frame, back up pad is fixed on base plate, hydraulic pump is fixed on back up pad, described sliding shoe is arranged on the front end of hydraulic pump and is connected with back up pad by slide bolt, and the head of described sliding shoe is fixedly connected with the roller fixture simultaneously.
In addition, described control system based on ARM comprises data processing module, control module, data acquisition module and human-computer interaction module, and described control module, data acquisition module and human-computer interaction module all are connected with data processing module,
Described data processing module comprises ARM controller, SDRAM, FLASH, serial line interface, D/A switch module and mould/number conversion module, described ARM controller is communicated with SDRAM and FLASH respectively, and described ARM controller is connected with mould/number conversion module with the D/A switch module by serial line interface simultaneously
Described control module comprises frequency converter, hydraulic proportion valve and hydraulicdirectional control valve, described frequency converter is connected with described ARM controller by serial line interface, described hydraulic proportion valve and hydraulicdirectional control valve are communicated with the D/A switch module simultaneously, described frequency converter is communicated with described mechanical transmission mechanism simultaneously, hydraulic proportion valve and hydraulicdirectional control valve are communicated with load maintainer
Described data acquisition module comprises scrambler, pressure transducer and transmitter, and described scrambler is communicated with the ARM controller, and pressure transducer is communicated with mould/number conversion module,
And described human-computer interaction module comprises touch-screen and be used for the SD card of storage test data, and described touch-screen is connected with the ARM controller by serial line interface.
And described scrambler is arranged on mechanical transmission mechanism, and described pressure transducer is arranged on hydraulic loading mechanism.
Further, the STM32F103 microprocessor that described ARM controller is the CORTEX-M3 kernel, built-in μ C/OS-II embedded OS.
The beneficial effects of the utility model are:
The utility model is " bridge-type " structure by the support structure designs with main shaft, compares with the cantilever structure of traditional experiment machine, has greatly improved the rigidity of supporting construction, has reduced the impact that spindle deformation is brought test; And the support section of rolling bearing adopts " throw and divide " formula structure, is convenient to the dismounting rolling bearing.
And the described examination wheel of accompanying is designed to liner+outer ring friction structure of rings, and make the outer ring of accompanying the examination wheel can more renew after wearing and tearing, that has avoided wearing and tearing accompanies the examination wheel to the adverse effect of test roller.
In addition, control system described in the utility model can realize the continuous variation of load in experimentation and the step-less adjustment of motor, has very high control accuracy, to rotating speed, the collection of load is accurately reliable, and have multiple interfaces, feature richness, stable performance, extendability are strong, convenient after upgrading.
Description of drawings
Fig. 1 is the structural representation of testing machine main body described in the utility model;
Fig. 2 is the structural representation of control system described in the utility model.
In figure, main Reference numeral implication is:
1. electric motor stand 2. variable-frequency motor 3. flexible clutch 4. main shafts
5. rolling bearing 6. bearing seat 7. axle sleeves 8. are accompanied the examination wheel
9. casing 10. testing machine frame 11. sliding screw 12. first coupling bolts
13. hydraulic pump 14. pressure transducer 15. back up pad 16. base plates
17. nut 18. sleeve 19. test roller 20. roller fixtures
21. the second coupling bolt 22. sliding shoes.
Embodiment
Below in conjunction with concrete the drawings and specific embodiments, the utility model is carried out concrete introduction.
Fig. 1 is the structural representation of testing machine main body described in the utility model.
As shown in Figure 1: based on the rolling wheel wear testing machine of ARM; Comprise testing machine main body and control system; Described testing machine main body comprises electric motor stand 1; Testing machine frame 10; Be arranged on the hydraulic loading mechanism on experimental machine frame 10; Be arranged on the mechanical transmission mechanism on electric motor stand 1; Test roller 19; Accompany examination wheel 8 and roller fixture 20; Its described roller fixture 20 is arranged on the head of hydraulic loading mechanism; Described test roller 19 is fixed on roller fixture 20; Described end of accompanying examination wheel 8 to be socketed in the main shaft 4 of mechanical transmission mechanism; And described test roller 19 under the driving of hydraulic loading mechanism with accompany examination wheel 8 to contact and form barreling is damaged; In addition; Described control system is communicated with hydraulic loading mechanism and mechanical transmission mechanism respectively.In addition, in the present embodiment, testing machine main body outside also is provided with casing 9.
Be specially: mechanical transmission mechanism comprises variable-frequency motor 2; Flexible clutch 3 and main shaft 4; Described variable-frequency motor 2 is fixed on the top of electric motor stand 1; And described variable-frequency motor 2 is connected with main shaft 4 by flexible clutch 3; Thereby driving main shaft 4 rotates; And the outside of described main shaft 4 also is socketed with axle sleeve 7; And described main shaft 4 of accompanying examination to take turns 8 both sides is fixed on two bearing seats that are set up in parallel 6 by rolling bearing 5 respectively; Described two bearing seats 6 are fixed on the left side of testing machine frame 10; And described main shaft 4; Flexible clutch 3 and two bearing seats 6 are positioned on the same level axial line.
The described examination wheel 8 of accompanying rotates by friction force motoring ring test roller 19.And in the present embodiment, the described examination wheel 8 of accompanying comprises liner and outer ring friction ring, described outer ring friction ring is arranged on the periphery of liner, is accompanying the outer ring friction ring that can more renew after 8 wearing and tearing of examination wheel, has avoided the adverse effect of accompanying 8 pairs of test rollers of examination wheel of wearing and tearing.
And described hydraulic loading mechanism comprises base plate 16; Back up pad 15; Hydraulic pump 13 and sliding shoe 22; Described base plate 16 is fixed on the right side of experimental machine frame 10; Back up pad 15 is fixed on base plate 16; Hydraulic pump 13 is fixed on back up pad 15 by the first coupling bolt 12; Described sliding shoe 22 is arranged on the front end of hydraulic pump 13 and is connected with back up pad 15 by slide bolt 11; Be specially: a hole has been bored respectively at four angles of back up pad 15 and sliding shoe 22; By four slide bolts 11, sliding shoe 22 is connected with back up pad 15; Hydraulic pump 13 just can promote sliding shoe 22 and moved like this.The head of described sliding shoe (opposite side of sliding shoe 22) is fixedly connected with roller fixture 20 by the second coupling bolt 21 simultaneously.Be fixed with sleeve 18 on roller fixture 20, be specially: sleeve 18 two ends are fixed on roller fixture 20 by nut 17, and 19, roller of test is arranged in the middle of sleeve 18.
Fig. 2 is the structural representation of control system described in the utility model.
As shown in Figure 2: described control system comprises data processing module, control module, data acquisition module and human-computer interaction module, and described control module, data acquisition module and human-computer interaction module all are connected with data processing module, are specially:
Described data processing module comprises the ARM controller; SDRAM; FLASH; Serial line interface; D/A switch module and mould/number conversion module; Described ARM controller is communicated with SDRAM and FLASH respectively; And described ARM controller is connected with mould/number conversion module with the D/A switch module by serial line interface simultaneously; Wherein, The ARM controller is the STM32F103 microprocessor of CORTEX-M3 kernel; Built-in μ C/OS-II embedded OS; Its major function is to read the reading of pressure transducer 14 and scrambler; Reception is from the signal of touch-screen; Process by internal data; Intermediate data and result are exported to display screen; Transmit control signal simultaneously to frequency converter and hydraulic pump 13; Come the operation of Control experiment machine; Described scrambler is arranged on mechanical transmission mechanism, and described pressure transducer 14 is arranged on hydraulic loading mechanism.
Described control module comprises frequency converter; Hydraulic proportion valve and hydraulicdirectional control valve; Described frequency converter is connected with described ARM controller by serial line interface; Frequency converter is according to the signal that receives; Regulate the frequency of operation of variable-frequency motor 2; The rotating speed of controlling variable-frequency motor 2 is the rotating speed of Control experiment roller then; In addition; Described hydraulic proportion valve and hydraulicdirectional control valve are communicated with the D/A switch module simultaneously; Described frequency converter is communicated with described mechanical transmission mechanism simultaneously; Hydraulic proportion valve and hydraulicdirectional control valve are communicated with load maintainer; The load digital signal that the D/A switch module sends the ARM controller; Convert simulating signal to and correspondingly export to hydraulic proportion valve and hydraulicdirectional control valve; Come the loading of control load.
Described data acquisition module comprises scrambler, pressure transducer and transmitter, described scrambler is communicated with the ARM controller, pressure transducer is communicated with mould/number conversion module, scrambler is passed to the ARM controller by the input interface of ARM controller with the rotating speed coherent signal that detects, pressure transducer is passed to mould/number conversion module by transmitter with the simulating signal that gathers, and described mould/number conversion module becomes digital signal to pass to the ARM controller by output interface analog signal conversion.
And described human-computer interaction module comprises touch-screen and be used for the SD card of storage test data, described touch-screen is connected with the ARM controller by serial line interface, touch-screen is connected with the ARM controller by serial line interface, receive the data that the ARM controller sends over, export simultaneously control signal to the ARM controller.
In sum, the utility model is " bridge-type " structure with the support structure designs of main shaft, compares with the cantilever structure of traditional experiment machine, has greatly improved the rigidity of supporting construction, has reduced the impact that spindle deformation is brought test; And the rolling bearing support section adopts " throw and divide " formula structure, is convenient to the dismounting rolling bearing.
And the described examination wheel of accompanying is designed to liner+titanium alloy outer ring friction structure of rings, and make the outer ring of accompanying the examination wheel can more renew after wearing and tearing, that has avoided wearing and tearing accompanies the examination wheel to the adverse effect of test roller;
In addition, control system described in the utility model can realize the continuous variation of load in experimentation and the step-less adjustment of motor, has very high control accuracy, to rotating speed, the collection of load is accurately reliable, and have multiple interfaces, feature richness, stable performance, extendability are strong, convenient after upgrading.
The utility model is illustrated according to above-described embodiment, should be appreciated that above-described embodiment does not limit the utility model in any form, and all employings are equal to replaces or technical scheme that the equivalent transformation mode obtains, within all dropping on protection domain of the present utility model.

Claims (8)

1. rolling wheel wear testing machine based on ARM, it is characterized in that comprising the testing machine main body and based on the control system of ARM, described testing machine main body comprises mechanical transmission mechanism, hydraulic loading mechanism, test roller, accompanies examination wheel and roller fixture, described roller fixture is arranged on the head of hydraulic loading mechanism, described test roller is fixed on the roller fixture, described spindle nose of accompanying examination wheel to be socketed in mechanical transmission mechanism, described test roller under the loading of hydraulic loading mechanism with accompany examination to take turns to contact and form barreling is damaged; In addition, described control system based on ARM is communicated with respectively feedback and the control of carrying out rotating speed, loading with hydraulic loading mechanism and mechanical transmission mechanism.
2. a kind of rolling wheel wear testing machine based on ARM according to claim 1, is characterized in that, described mechanical transmission mechanism comprises variable-frequency motor, flexible clutch and main shaft, and variable-frequency motor is connected with main shaft by flexible clutch.
3. a kind of rolling wheel wear testing machine based on ARM according to claim 1 and 2, it is characterized in that, the outside of described main shaft also is socketed with axle sleeve, and described main shaft of accompanying examination to take turns both sides is fixed on two bearing seats that are set up in parallel by rolling bearing respectively, and described two bearing seats are fixed on the left side of testing machine frame.
4. a kind of rolling wheel wear testing machine based on ARM according to claim 1, is characterized in that, the described examination wheel of accompanying comprises liner and outer ring friction ring, and described outer ring friction ring is arranged on the periphery of liner.
5. a kind of rolling wheel wear testing machine based on ARM according to claim 1, it is characterized in that, described hydraulic loading mechanism comprises base plate, back up pad, hydraulic pump and sliding shoe, described base plate is fixed on the right side of experimental machine frame, back up pad is fixed on base plate, hydraulic pump is fixed on back up pad, and described sliding shoe is arranged on the front end of hydraulic pump and is connected with back up pad by slide bolt, and the head of described sliding shoe is fixedly connected with the roller fixture simultaneously.
6. a kind of rolling wheel wear testing machine based on ARM according to claim 1, it is characterized in that, described control system based on ARM comprises data processing module, control module, data acquisition module and human-computer interaction module, described control module, data acquisition module and human-computer interaction module all are connected with data processing module
Described data processing module comprises ARM controller, SDRAM, FLASH, serial line interface, D/A switch module and mould/number conversion module, described ARM controller is communicated with SDRAM and FLASH respectively, and described ARM controller is connected with mould/number conversion module with the D/A switch module by serial line interface simultaneously
Described control module comprises frequency converter, hydraulic proportion valve and hydraulicdirectional control valve, described frequency converter is connected with described ARM controller by serial line interface, described hydraulic proportion valve and hydraulicdirectional control valve are communicated with the D/A switch module simultaneously, described frequency converter is communicated with described mechanical transmission mechanism simultaneously, hydraulic proportion valve and hydraulicdirectional control valve are communicated with load maintainer
Described data acquisition module comprises scrambler, pressure transducer and transmitter, and described scrambler is communicated with the ARM controller, and pressure transducer is communicated with mould/number conversion module,
And described human-computer interaction module comprises touch-screen and be used for the SD card of storage test data, and described touch-screen is connected with the ARM controller by serial line interface.
7. a kind of rolling wheel wear testing machine based on ARM according to claim 6, is characterized in that, the STM32F103 microprocessor that described ARM controller is the CORTEX-M3 kernel, built-in μ C/OS-II embedded OS.
8. a kind of rolling wheel wear testing machine based on ARM according to claim 6, is characterized in that, described scrambler is arranged on mechanical transmission mechanism, and described pressure transducer is arranged on hydraulic loading mechanism.
CN 201320160197 2013-04-02 2013-04-02 ARM (Advanced RISC Machine)-based roller abrasion testing machine Expired - Fee Related CN203259435U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201320160197 CN203259435U (en) 2013-04-02 2013-04-02 ARM (Advanced RISC Machine)-based roller abrasion testing machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201320160197 CN203259435U (en) 2013-04-02 2013-04-02 ARM (Advanced RISC Machine)-based roller abrasion testing machine

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Publication Number Publication Date
CN203259435U true CN203259435U (en) 2013-10-30

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105181503A (en) * 2015-10-10 2015-12-23 中铁隧道集团有限公司 Hob composite abrasion experiment instrument
CN106404575A (en) * 2015-07-29 2017-02-15 哈尔滨飞机工业集团有限责任公司 Pulley wear testing equipment

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106404575A (en) * 2015-07-29 2017-02-15 哈尔滨飞机工业集团有限责任公司 Pulley wear testing equipment
CN106404575B (en) * 2015-07-29 2019-08-02 哈尔滨飞机工业集团有限责任公司 A kind of pulley wear test equipment
CN105181503A (en) * 2015-10-10 2015-12-23 中铁隧道集团有限公司 Hob composite abrasion experiment instrument
CN105181503B (en) * 2015-10-10 2017-12-05 中铁隧道集团有限公司 The compound abrasion experiment instrument of hobboing cutter

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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: 20131030

Termination date: 20170402

CF01 Termination of patent right due to non-payment of annual fee