CN102967472B - Testing table for testing comprehensive performance of anti-explosion rubber-tyred vehicle - Google Patents
Testing table for testing comprehensive performance of anti-explosion rubber-tyred vehicle Download PDFInfo
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- CN102967472B CN102967472B CN201210430261.8A CN201210430261A CN102967472B CN 102967472 B CN102967472 B CN 102967472B CN 201210430261 A CN201210430261 A CN 201210430261A CN 102967472 B CN102967472 B CN 102967472B
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Abstract
The invention belongs to the technical field of anti-explosion rubber-tyred vehicle testing, and particularly relates to a testing table for testing comprehensive performance of an anti-explosion rubber-tyred vehicle. The testing table solves the problem that the existing vehicle performance testing device cannot meet the requirements for vehicle performance testing of rubber-tyred vehicles. The testing table comprises a comprehensive table, a front coordinating table and a back coordinating table which are located in a foundation, wherein the comprehensive table comprises two sets of machine frames symmetrically arranged. An electric dynamometer, a reducer, a torque transducer, a main roller and an auxiliary roller are arranged in each set of machine frame, a lifting mechanism is distributed between the main roller and the auxiliary roller, and both the front coordinating table and the rear coordinating table comprise machine frames and two or more than two rows of free roller groups. The testing table for testing comprehensive performance of the anti-explosion rubber-tyred vehicle has the advantages of achieving detection and testing of the anti-explosion rubber-tyred vehicle on an indoor rack, replacing road testing, ensuring consistency of products and providing testing data support for research and development of the anti-explosion rubber-tyred vehicle.
Description
Technical field
The invention belongs to the technical field of flame proof rubber tyre vehicle test, being specifically related to a kind of testing table for testing flame proof rubber tyre vehicle combination property.
Background technology
Flame proof rubber tyre vehicle is a kind of auxiliary trackless transport instrument in underground coal mine work, at present, the design of flame proof rubber tyre vehicle car load is produced possesses certain theoretical foundation, but lack necessary test detecting equipment, complete vehicle test detects and is substantially in the manual road examination stage, some vehicle performance critical technical parameter comparing concern can't be drawn by experimental test, strong test figure support cannot be provided for the Theoretical Design of flame proof rubber tyre vehicle, the Theoretical Design of flame proof rubber tyre vehicle and experimental study is caused mutually to disconnect, the development of serious restriction flame proof rubber tyre vehicle.
The vehicle performance of general-utility car is generally tested by current vortex chassis dynamometer and brake platform, and flame proof rubber tyre vehicle is mostly adopt hydraulic mechanical, has the feature of large-tonnage, high-power, low-speed big, belongs to the category of special vehicle.And the moment of torsion of electric eddy current dynamometer when low speed is less, but adopt the flame proof rubber tyre vehicle of hydraulic mechanical, when zero-speed, tractive force is maximum, therefore electric eddy current dynamometer cannot test its low speed segment, the testing requirement of flame proof rubber tyre vehicle cannot be met, therefore, automobile chassis dynamometer is not suitable for testing flame proof rubber tyre vehicle.Special flame proof rubber tyre vehicle vehicle performance test unit need be developed, two can be met simultaneously and drive and test with the vehicle performance of 4 wheel driven flame proof rubber tyre vehicle.
Summary of the invention
The present invention can not meet the problem of the vehicle performance test request of rubber-tired cart in order to solve existing vehicle complete vehicle performance testing device, provide a kind of testing table for testing flame proof rubber tyre vehicle combination property.
The present invention adopts following technical scheme to realize:
A kind of testing table for testing flame proof rubber tyre vehicle combination property, it is characterized in that it comprises and be seated all-in one desk in ground and front and back coordinate platform, described all-in one desk comprises symmetrically arranged two cover frames, often overlap in frame and electric dynamometer is set, speed reduction unit, torque sensor, master rotor and auxiliary cylinder, the output shaft of electric dynamometer is connected with the input shaft of speed reduction unit by Timing Belt, the output shaft of speed reduction unit connects the axle head of master rotor by torque sensor, master rotor is be arranged in parallel with auxiliary cylinder and is connected by Timing Belt, main, auxiliary cylinder is rotatably arranged in frame, main, lifting mechanism is furnished with between auxiliary cylinder, described lifting mechanism comprises elevating ram I, lifting beam is installed at elevating ram I top, the both sides of lifting beam are respectively arranged with cylinder locking mechanism, described cylinder locking mechanism comprises friction disc I that can be tangent with major-minor cylinder, major-minor cylinder is symmetrical arranged relative to lifting beam, main, auxiliary cylinder top flushes with foundation surface, master rotor in two cover frames and master rotor, the axis of auxiliary cylinder and auxiliary cylinder lays respectively at same straight line,
Described front and back two coordinate platform all to comprise frame and are more than or equal to the free cylinder group of two row, often arrange free cylinder group and all comprise two cylinders be on same axis, the free cylinder group of each row is parallel to each other, frame below two cylinders of the free cylinder group of each row installs elevating ram II respectively, the hoisting crossbeam perpendicular to cylinder axis direction is installed at elevating ram II top, the position that hoisting crossbeam top corresponds to each cylinder bottom is respectively arranged with the friction disc II tangent with cylinder, each cylinder top flushes with foundation surface
Front and back two coordinate the cylinder axis of two cylinder axis of the free cylinder group of each row of platforms and two groups of major-minor cylinders of all-in one desk all parallel to each other, center between the major and minor cylinder of all-in one desk adapts to the wheel base of flame proof rubber tyre vehicle with the centre distance front coordinated between two of platform adjacent free cylinder group, the center between the major and minor cylinder of all-in one desk and the rear wheel base coordinating the centre distance between two of platform adjacent free cylinder group also to adapt to flame proof rubber tyre vehicle.
For diaxon 4 wheel driven flame proof rubber tyre vehicle, when testing front axle driving wheel, rear axle driving wheel is seated in the middle of front free cylinder group, and when testing rear axle driving wheel, front axle driving wheel is seated in the middle of rear free cylinder group.
Described front and back two coordinate the free cylinder group of platform to arrange two row, the slidably also fixable type connection of the relative frame of the two free cylinder group of row.General employing hydraulic drive of the prior art, hydraulic pressure locking structure, or other machinery is pushed, mechanical locking structure, and those skilled in the art can be known from prior art.
Described elevating ram I is supported in the two ends of lifting beam by mounting ear on elevating ram, in the middle of lifting beam, some cover cylinder locking mechanisms are set, described cylinder locking mechanism also comprises friction disc fixed head, friction disc hanger and friction disc hangers, friction disc hangers and lifting beam weld together, friction disc hanger and friction disc hangers hinged, friction disc hanger bottom and friction disc fixed head are connected as a single entity, and friction disc I is fixed on friction disc fixed head.
Hinge structure of the present invention has following beneficial effect: achieve flame proof rubber tyre vehicle and carry out detecting and testing on indoor stand, substitutes road test, ensures the consistance of product, for the research and development of flame proof rubber tyre vehicle provide test data support.Adopt all-in one desk and free cylinder group test four-wheel drive cars, the test for four-wheel drive cars provides a kind of new solution, also can be used for the bench detection of the product such as shovel loader and dozer.Device for power absorption adopts electric dynamometer, and the scientific research for flame proof rubber tyre vehicle provides rig for testing and test to ensure, improves the R & D Level of China's flame proof rubber tyre vehicle.
Accompanying drawing explanation
Fig. 1 is comprehensive performance test bed composition schematic diagram,
Fig. 2 is the structural representation of all-in one desk,
Fig. 3 is all-in one desk lifting structures schematic diagram,
Fig. 4 is cooperation platform lifting structures schematic diagram,
Fig. 5 is all-in one desk lifting cylinder locking structural scheme of mechanism,
Fig. 6 is the side view of Fig. 5,
In figure: 1-all-in one desk, 2-coordinates platform, 3-frame, 4-speed pickup, 5-auxiliary cylinder, 6-master rotor, 7-electric dynamometer, 8-torque sensor, 9-speed reduction unit, 10-Timing Belt, 11-friction disc I, 12-lifting beam, the free cylinder group of 13-elevating ram I, 14-, 15-friction disc II, 16-elevating ram II, 17-hoisting crossbeam, mounting ear on 18-elevating ram, 19-friction disc hangers, 20-friction disc fixed head, 21-friction disc hanger.
Embodiment
By reference to the accompanying drawings the specific embodiment of the present invention is described further.
The testing table of test flame proof rubber tyre vehicle combination property coordinates platform 2 to form by all-in one desk 1 and front and back two.All-in one desk is made up of frame 3, speed pickup 4, auxiliary cylinder 5, master rotor 6, electric dynamometer 7, torque sensor 8, speed reduction unit 9 and Timing Belt 10.All-in one desk detecting portion is provided with two and overlaps independently pick-up unit, to detect the dynamic property of each wheel and braking ability.The output shaft of electric dynamometer is connected with speed reduction unit by Timing Belt, the output shaft of speed reduction unit is connected on the axle head of master rotor by torque sensor, cylinder is arranged in frame by ball bearing of usheing to seat, its intermediate roll is divided into major-minor cylinder, left and right master rotor is connected with torque sensor, initiatively links together with follower rollers Timing Belt.Auxiliary cylinder is mainly used in the support of wheel when testing, vehicle wheel limit tractive force and damping force pass to device for measuring force mainly through master rotor.When test and the performance of test vehicle, be placed in by measured wheel between all-in one desk master rotor and auxiliary cylinder, another wheel is placed in front or rear free cylinder group.Lifting mechanism is furnished with between major-minor cylinder, described lifting mechanism comprises elevating ram I 13, lifting beam 12 is installed at elevating ram I top, the both sides of lifting beam are respectively arranged with cylinder locking mechanism, described cylinder locking mechanism comprises friction disc I 11 that can be tangent with major-minor cylinder, major-minor cylinder is symmetrical arranged relative to lifting beam, and major and minor cylinder top flushes with foundation surface, and the master rotor in two cover frames and the axis of master rotor, auxiliary cylinder and auxiliary cylinder lay respectively at same straight line.Lifting mechanism is together with friction disc in one, and whether the locking of index drum, to facilitate vehicle discrepancy testing table.Elevating ram I 13 is supported in the two ends of lifting beam 12 by mounting ear on elevating ram 18, in the middle of lifting beam 12, some cover cylinder locking mechanisms are set, described cylinder locking mechanism also comprises friction disc fixed head 20, friction disc hanger 21 and friction disc hangers 19, friction disc hangers 19 and lifting beam 12 weld together, friction disc hanger 21 by bearing pin and friction disc hangers 19 hinged, friction disc hanger 21 bottom is connected as a single entity by bolt and friction disc fixed head 20, and friction disc I 11 is bolted on friction disc fixed head 20.
The free cylinder in platform is coordinated to adopt unequal-interval to arrange, to adapt to the flame proof rubber tyre vehicle test needs of disalignment distance.Free cylinder group 14 is furnished with free cylinder lifting locking mechanism below equally, to facilitate vehicle discrepancy testing table.The elevating ram II 16 that frame below two cylinders that locking mechanism comprises the free cylinder group of each row is installed respectively, the hoisting crossbeam 17 perpendicular to cylinder axis direction is installed at elevating ram II top, the position that hoisting crossbeam top corresponds to each cylinder bottom is respectively arranged with the friction disc II 15 tangent with cylinder, each cylinder top flushes with foundation surface when vehicle is tested, first by all cylinder lockings, by vehicle operating on testing table, then, remove cylinder locking state, tire can be rotated by free head roll.After vehicle is fixing, just can test.
Flame proof rubber tyre vehicle of the present invention is comprehensive performance test bed is a kind of testing equipment can testing flame proof rubber tyre vehicle vehicle performance.Power performance and the braking ability of vehicle is detected by the method simulating road vehicle driving cycle on indoor stand; Be equipped with fuel consumption meter, tail gas tester and various sensor, can also test each parameter of the fuel consume of each operating mode of flame proof rubber tyre vehicle, exhaust emissions, engine and hydraulic system.The loading debugging simultaneously carrying out vehicle easily and the fault etc. diagnosing vehicle to occur under that loading condition.
The method that the present invention adopts all-in one desk to be equipped with front and back two cooperation platform is tested flame proof rubber tyre vehicle, namely can test two and drive flame proof rubber tyre vehicle, can meet again the demand of 4 wheel driven flame proof rubber tyre vehicle test.The principle of test four-wheel drive cars: do not have shaft space difference speed between the front and back of flame proof rubber tyre vehicle, the load of its antero posterior axis can be distributed automatically.Therefore, when the complete skid of axle, nearly all power can be assigned to another one axle completely.What this kind of situation detected is at a complete skid of axle, the maximum power performance that another axle can export, and is the worst operating mode of four-wheel drive cars of detection.
The electric dynamometer electric dynamometer that device for power absorption of the present invention adopts is permanent torque characteristics below rated speed point, its low-speed performance is good, can be used for detecting and the mechanically operated low speed segment of test fluid power, thus can the full speed stage of flame proof rubber tyre vehicle be detected and be tested, not only can load, all right towing astern cylinder, thus be able to the braking ability of measuring vehicle, therefore all-in one desk that chassis dynamometer and brake platform are united two into one.Save a set of brake platform like this, avoid overlapping construction, good economy performance, take up an area less, the utilization factor of equipment is high.On same stage body, power performance and braking ability measurement can be completed, reduce the setup time before test, improve the efficiency of vehicle testing.The present invention adopts electric dynamometer as device for power absorption, and the way by electric inertia simulation carrys out inertia when simulating vehicle runs, and eliminates the flywheel group that general chassis dynamometer varies in size, simplifies test platform structure.
Claims (3)
1. one kind for testing the testing table of flame proof rubber tyre vehicle combination property, it is characterized in that it comprises and be seated all-in one desk (1) in ground and front and back coordinate platform (2), described all-in one desk comprises symmetrically arranged two covers frame (3), often overlap in frame (3) and electric dynamometer (7) is set, speed reduction unit (9), torque sensor (8), master rotor (6) and auxiliary cylinder (5), the output shaft of electric dynamometer (7) is connected by the input shaft of Timing Belt with speed reduction unit (9), the output shaft of speed reduction unit (9) connects the axle head of master rotor (6) by torque sensor (8), master rotor (6) is be arranged in parallel with auxiliary cylinder (5) and is connected by Timing Belt, main, auxiliary cylinder is rotatably arranged in frame (3), main, lifting mechanism is furnished with between auxiliary cylinder, described lifting mechanism comprises elevating ram I (13), lifting beam (12) is installed at elevating ram I (13) top, the both sides of lifting beam (12) are respectively arranged with cylinder locking mechanism, described cylinder locking mechanism comprises friction disc I (11) that can be tangent with major-minor cylinder, major-minor cylinder is symmetrical arranged relative to lifting beam (12), main, auxiliary cylinder top flushes with foundation surface, master rotor in two cover frames and master rotor, the axis of auxiliary cylinder and auxiliary cylinder lays respectively at same straight line,
Described front and back two coordinate platform all to comprise frame and are more than or equal to the free cylinder group (14) of two row, often arrange free cylinder group and all comprise two cylinders be on same axis, the free cylinder group of each row is parallel to each other, frame below two cylinders of the free cylinder group of each row installs elevating ram II (16) respectively, the hoisting crossbeam (17) perpendicular to cylinder axis direction is installed at elevating ram II (16) top, the position that hoisting crossbeam (17) top corresponds to each cylinder bottom is respectively arranged with the friction disc II (15) tangent with cylinder, each cylinder top flushes with foundation surface,
Front and back two coordinate the cylinder axis of two cylinder axis of the free cylinder group of each row of platforms and two groups of major-minor cylinders of all-in one desk all parallel to each other, center between the major and minor cylinder of all-in one desk adapts to the wheel base of flame proof rubber tyre vehicle with the centre distance front coordinated between two of platform adjacent free cylinder group, the center between the major and minor cylinder of all-in one desk and the rear wheel base coordinating the centre distance between two of platform adjacent free cylinder group also to adapt to flame proof rubber tyre vehicle.
2. the testing table for testing flame proof rubber tyre vehicle combination property according to claim 1, is characterized in that described front and back two coordinate the free cylinder group of platform to arrange two row, the slidably also fixable type connection of the relative frame of the two free cylinder group of row.
3. the testing table for testing flame proof rubber tyre vehicle combination property according to claim 1 and 2, it is characterized in that elevating ram I (13) is supported in the two ends of lifting beam (12) by mounting ear on elevating ram (18), in the middle of lifting beam (12), some cover cylinder locking mechanisms are set, described cylinder locking mechanism also comprises friction disc fixed head (20), friction disc hanger (21) and friction disc hangers (19), friction disc hangers (19) and lifting beam (12) weld together, friction disc hanger (21) is hinged with friction disc hangers (19), friction disc hanger (21) bottom and friction disc fixed head (20) are connected as a single entity, friction disc I (11) is fixed on friction disc fixed head (20).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210430261.8A CN102967472B (en) | 2012-11-01 | 2012-11-01 | Testing table for testing comprehensive performance of anti-explosion rubber-tyred vehicle |
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| CN201210430261.8A CN102967472B (en) | 2012-11-01 | 2012-11-01 | Testing table for testing comprehensive performance of anti-explosion rubber-tyred vehicle |
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| CN102967472A CN102967472A (en) | 2013-03-13 |
| CN102967472B true CN102967472B (en) | 2015-05-13 |
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| CN103852263B (en) * | 2014-02-24 | 2016-08-17 | 中国矿业大学 | A kind of bavin electricity mixed power down-hole trackless test platform |
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| CN106706336B (en) * | 2016-12-22 | 2023-12-22 | 江苏金彭集团有限公司 | Integrated vibration test platform for electric vehicle |
| CN110864904A (en) * | 2018-08-28 | 2020-03-06 | 上海科赫商务咨询有限公司 | Wheel slip locking device for automobile slip test |
| CN109506950B (en) * | 2018-11-19 | 2020-06-26 | 合肥市极点科技有限公司 | Motor vehicle detects with simulation device that traveles |
| CN110220714A (en) * | 2019-05-29 | 2019-09-10 | 太原理工大学 | A kind of flame-proof rubber-tired cart performance online detection method |
| CN112629875B (en) * | 2020-12-02 | 2023-05-05 | 中国煤炭科工集团太原研究院有限公司 | Explosion-proof rubber-tyred car braking test bed of simulation long downhill path |
| CN112406484A (en) * | 2020-12-11 | 2021-02-26 | 重庆建安仪器有限责任公司 | Comprehensive protection type special vehicle |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR20050103122A (en) * | 2004-07-03 | 2005-10-27 | 강수성 | Chassis dynamometer |
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| US5445013A (en) * | 1993-08-30 | 1995-08-29 | Clayton Industries | Dynamometer for simulating the inertial and road load forces encountered by motor vehicles and method |
| CN2612579Y (en) * | 2003-04-14 | 2004-04-21 | 聂建伟 | Apparatus of detecting automobile anti-locking braking system performance |
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Address after: 030006 No.1, Kehui Road, science and technology innovation city, Shanxi demonstration zone, Taiyuan City, Shanxi Province Patentee after: TAIYUAN INSTITUTE OF CHINA COAL TECHNOLOGY AND ENGINEERING Group Patentee after: SHANXI TIANDI COAL MINING MACHINERY Co.,Ltd. Address before: 030006 Shanxi Province, Taiyuan city and State Road No. 108 Patentee before: Taiyuan Research Institute of China Coal Technology & Engineering Group Corp. Patentee before: SHANXI TIANDI COAL MINING MACHINERY Co.,Ltd. |
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Effective date of registration: 20220707 Address after: 030006 No.1, Kehui Road, science and technology innovation city, Shanxi demonstration zone, Taiyuan City, Shanxi Province Patentee after: TAIYUAN INSTITUTE OF CHINA COAL TECHNOLOGY AND ENGINEERING Group Patentee after: SHANXI TIANDI COAL MINING MACHINERY Co.,Ltd. Patentee after: Taiyuan Meike Testing Technology Co.,Ltd. Address before: 030006 No.1, Kehui Road, science and technology innovation city, Shanxi demonstration zone, Taiyuan City, Shanxi Province Patentee before: TAIYUAN INSTITUTE OF CHINA COAL TECHNOLOGY AND ENGINEERING Group Patentee before: SHANXI TIANDI COAL MINING MACHINERY Co.,Ltd. |