CN2566256Y - Automatic detecting platform for electric bicycle - Google Patents

Automatic detecting platform for electric bicycle Download PDF

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Publication number
CN2566256Y
CN2566256Y CN 02266226 CN02266226U CN2566256Y CN 2566256 Y CN2566256 Y CN 2566256Y CN 02266226 CN02266226 CN 02266226 CN 02266226 U CN02266226 U CN 02266226U CN 2566256 Y CN2566256 Y CN 2566256Y
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CN
China
Prior art keywords
fixed
clamping disk
clamp
support stand
clamping
Prior art date
Application number
CN 02266226
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Chinese (zh)
Inventor
王晓伟
潘双夏
段福斌
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浙江大学
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Priority to CN 02266226 priority Critical patent/CN2566256Y/en
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Publication of CN2566256Y publication Critical patent/CN2566256Y/en

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Abstract

The utility model discloses an automatic detecting platform for electric bicycles. The utility model comprises a supporting platform frame, a driving device, a front clamping device, a rear clamping device and a measuring device for relative declination of the central surfaces of a front wheel and a rear wheel. The electric bicycle is pushed to the supporting platform frame, a bicycle body is fixed through the front clamping device and the rear clamping device, and the wheels of the electric bicycle are driven to rotate on a friction revolving drum so as to achieve simulation of road running of the electric bicycle on an indoor detecting platform; the utility model can substitute for road detection and can detect all the main performance testing items specified in the national standards of the complete bicycle and a plurality of single detection items; in addition, the utility model is free of the influence of natural and human factors, the detection efficiency is high, and the detection is time-saving and labor-saving. The utility model is easy to achieve flow production and can be combined with an assembling production line to conduct random detection to full detection of the products so as to enhance the quality of the products.

Description

The automatic monitor station of electric bicycle

Technical field

The utility model relates to the proving installation of vehicle, the automatic monitor station of especially a kind of electric bicycle.

Background technology

In recent years, because advantages such as light, pollution-free, the low noise of electric bicycle have become people to use the increasingly extensive vehicles, the demand of electric bicycle increases substantially thereupon.Make a general survey of domestic each electric bicycle manufacturer, still do not have the application of electric bicycle automatic checkout system.

Traditional road detecting method, higher to detecting the place conditional request; Detect needs such as index such as max. speed, braking distance (hygrometric state, dry state road surface), foot-operated driveability and separately detect separately, and it is less to detect index, can't make complete evaluation to gross vehicle body technique situation; Mileages of continuation, once the charge detection of range, hundred kilometers indexs such as power consumption is wasted time and energy, and more is subjected to the restriction of environment and human factor, and the cycle is long, precision is low, poor repeatability, and certain danger is arranged.

The detection system that substitutes at present the road inspection seldom, and exist detect index not comprehensively, perfect inadequately, the complex operation of the simulation of road pavement running resistance, be difficult for realizing problems such as pipelining.

Summary of the invention

In view of above reason, the utility model proposes the automatic monitor station of a kind of electric bicycle, be implemented in simulation electric bicycle road traveling on the indoor detection platform, substitute the road inspection, finish every detection requirement of the relevant electric bicycle vehicle performance in the national standard.

The technical solution adopted in the utility model is: it comprises gearing, support stand, front clamp device, rear fixture, front and back wheel central plane relative deviation measurement mechanism composition, wherein:

1) support stand is assemblied to form by left and right sides two parts, and fixes with thread connection, and the base of gearing is fixed in the underframe of the left and right sides;

2) gearing: comprise the bottom surface that base is fixed on support stand, on base, motor is housed successively from a left side, the right side, connect with brake shaft by shaft coupling, electromagnetic clutch, half a coupler, magnetic powder brake, brake shaft connects with friction rotary drum on being supported on bearing assembly by shaft coupling, another shaft coupling of torque rotary speed sensor, friction rotary drum right-hand member connects with rotary encoder, whole device is contained in the support stand, has breach on the support stand face on the friction rotary drum;

3) preceding clamp device: be contained on the end face with the vertical support stand of rotary drum bus that rubs, wherein:

A. predetermination clamp system: comprise and decide clamp bracket, predetermination clamping disk(-sc), adjust plate, adjusting lever; The predetermination clamping disk(-sc) of adjustment height is fixed on to be decided on the clamp bracket, decide to have threaded hole on the clamp bracket side plate, front and back wheel central plane relative deviation measurement mechanism can be installed, and three adjustment plates are mutually 120 ° and are fixed on the predetermination clamping disk(-sc), and three adjusting levers are contained in to be adjusted on the plate;

B. moving clamp system before: comprise electric pushrod, electric pushrod support, preceding moving clamping disk(-sc), moving connector, adjustment plate, adjusting lever, the leg assembly of clamping; Preceding moving clamping disk(-sc) is fixed on the electric pushrod by the moving connector that clamps, and three adjustment plates are mutually 120 ° and are fixed on the preceding moving clamping disk(-sc), and three adjusting levers are contained in to be adjusted on the plate, and the roller on the leg assembly is supported on the end face of support stand.

4) rear fixture: be contained on the end face of support stand of friction rotary drum both sides, wherein:

A. clamp system is decided in the back: comprise and decide clamp bracket, back clamping disk(-sc), adjusting lever; Back clamping disk(-sc) is fixed on to be decided on the clamp bracket, decides to have threaded hole on the clamp bracket side plate, and front and back wheel central plane relative deviation measurement mechanism can be installed, and has many holes on the clamping disk(-sc) of back, and two adjusting levers are fixed in the respective aperture by thread connection;

B. clamp system is moved in the back: comprise electric pushrod, electric pushrod support, back clamping disk(-sc), moving connector, adjusting lever, the leg assembly of clamping; The moving clamping disk(-sc) in back is fixed on the electric pushrod by the moving connector that clamps, and the roller on the leg assembly is supported on the end face of support stand, has many holes on the clamping disk(-sc) of back, and two adjusting levers are fixed in the respective aperture by thread connection;

5) front and back wheel central plane relative deviation measurement mechanism: comprise measuring head, case, displacement transducer, electromagnet, slide block, spring, pull bar; Displacement transducer, electromagnet are fixed in the case, the motion end of electromagnet can slide on slide block, hinged by bearing pin and pull bar, rocking bar one end connects with the measuring head fork type, the other end connects with case with spring, rocking bar near the spring place is hinged on the case with bearing pin, and whole device is fixed in the screw of deciding on the clamp bracket side plate with screw.

The utility model is with reference to " GB17761-1999 electric bicycle general technical specifications " design, adopt mechanical drive, clamp automatically, torque, rotating speed, noise, stroke etc. are adopted sensor measurement,, realized the electric bicycle vehicle performance being detected indoor in conjunction with computer control.

The utility model is fixed on electric bicycle to be detected on the support stand by automatic clamping device, and driving wheel is placed on the friction rotary drum; Electric bicycle road surface straight-line travelling is converted into the rotation of friction rotary drum by the friction rotary drum; By control device magnetic powder brake is controlled in real time, simulated electronic bikeway face running resistance, thereby guarantee when test environment on this monitor station is with road traveling consistently, promptly detect data and the actual detected object matches; The concrete grammar of electric bicycle road traveling resistance simulation is: the road traveling data that coastdown records are imported computing machine, set up the relational database of speed and running resistance, in TT﹠C software, adopt the method for the interpolation of tabling look-up to determine the size of corresponding damping controlled quentity controlled variable.Detect data and output to Computer Processing, printing and demonstration after A/D changes by torque rotary speed sensor, rotary encoder, displacement transducer, sound meter collection.In the whole testing process, motor, magnetic powder brake, electromagnetic clutch, electromagnet etc. are controlled in real time by the computing machine machine.

Compare with existing detection mode, the utility model has following advantage:

1) test item is comprehensive, comprises that whole car load main performance test events of regulation in " GB17761-1999 electric bicycle general technical specifications " and some individual events detect, as can be used as dynamometer machine the drive motor performance is tested; Can detect the build-up tolerance of front and back wheel etc.;

2) a plurality of test items can carry out simultaneously, the detection efficiency height, save time, laborsaving;

3) good reproducibility is not changed and artificial factor by weather, surface state;

4) be easy to realize line production, can be used in combination, product by inspecting full inspection by random samples, is improved the quality of products with the electric bicycle assembling line;

5) can carry out Long-distance Control to detection case, detect data and deposit database in, be convenient to production management;

6) good function expansibility, total system adopts modular design, can add the function corresponding construction module as required.

Description of drawings

Fig. 1 is the vertical view of the automatic monitor station of electric bicycle.

Fig. 2 is the automatic monitor station side direction of an electric bicycle view

Fig. 3 forms synoptic diagram for gearing.

Fig. 4 is friction drum assembly cut-open view.

Fig. 5 is a front clamp device synoptic diagram.

Fig. 6 is a predetermination clamp system synoptic diagram.

Fig. 7 is the moving connected piece structure synoptic diagram that clamps.

Fig. 8 is preceding moving clamp system synoptic diagram.

Fig. 9 is the rear fixture synoptic diagram.

Figure 10 is a back clamping disk(-sc) structural representation.

Figure 11 is a front and back wheel central plane deviation measurement mechanism structural representation.

Each serial number name is as follows:

1-motor 2-shaft coupling 3-DLM2 type electromagnetic clutch 4-half a coupler

5-CZK type magnetic powder brake 6-brake shaft 7-shaft coupling 8-JN338 type torque rotary speed sensor 9-support bearing assembly 10-friction rotary drum 11-HLE type rotary encoder 12-bearing bracket 13-base 14-torque rotary speed sensor support 15-brake support frame 16-brushgear housing 17-electric machine support 18-right axle shaft 19-left half axle 20-keyway 21-clamp locking bracket 22-decide clamping disk(-sc) 23-and adjusts clamping disk(-sc) 33-screwed hole 34-gage outfit 35-case 36-WDL type displacement transducer 37-electromagnet 38-slide block 39-spring 40-bearing pin 41-pull bar 42-rocking bar behind the moving clamping of the plate 24-adjusting lever 25-moving clamping disk(-sc) 27-of the fastening spring 26-connector 28-electric pushrod 29-electric pushrod support 30-leg assembly 31-roller 32-

Embodiment

Below in conjunction with annexed drawings set forth structure of the present utility model and principle of work.

The utility model is made up of support stand A, gearing B, front clamp device C, rear fixture D, front and back wheel central plane relative deviation measurement mechanism E, control device, computing machine and auxiliary device thereof.Automatically the vertical view of monitor station as shown in Figure 1, the side direction view is as shown in Figure 2.

Support stand A: assembled by left and right sides two parts, to fix by thread connection, whole stand adopts angle steel to be welded, and upper surface is welded with checkered steel plate.The base 13 of transmission component is fixed in the underframe by thread connection.

Gearing B: comprise friction drum assembly, JN338 type torque rotary speed sensor 8, CZK type magnetic powder brake 5, HLE type rotary encoder 11, DLM2 type electromagnetic clutch 3, motor 1 and corresponding coupling spindle spare, support component etc., as shown in Figure 3.Motor 1 is fixed on the base 13 by electric machine support 17, and connects with DLM2 type electromagnetic clutch 3 by shaft coupling 2.DLM2 type electromagnetic clutch 3 connects with brake shaft 6 by half a coupler 4, and its brush is fixed on the base 13 by brushgear housing 16.CZK type magnetic powder brake 5 is fixed on the base 13 by brake support frame 15, connects with brake shaft 6 by key.Shaft coupling 7 connects firmly brake shaft 6 and JN338 type torque rotary speed sensor 8.JN338 type torque rotary speed sensor 8 connects with the friction drum assembly by shaft coupling 7, and is fixed on the base 13 by torque rotary speed sensor support 14.The friction drum assembly is made up of friction rotary drum 10, support bearing assembly 9, right axle shaft 18, left half axle 19, bearing bracket 12 etc., as shown in Figure 4.Wherein, left and right sides semiaxis 19,18 and friction rotary drum 10 are welded as a whole; Support bearing assembly 9 acts on the left and right sides semiaxis 19,18, and is fixed on the base 13 by bearing bracket 12.HLE type rotary encoder 11 adopts screw locking ring type to be installed on the right axle shaft 18.Have keyway 20 on the left half axle 19, fixing by key connecting and shaft coupling 7, other axle also is to pass through key connecting with shaft joint.Each support component and base 13 are by thread connection, and base 13 is by being bolted on the support stand.All drive disk assembly axle center are on same horizontal line, and axial location can be by the fine setting of the bolt hole slot on the base 13.

Automatic clamping device: comprise front clamp device C and rear fixture D two parts, each several part is divided into again decides clamp system and moving clamp system.Front clamp device C as shown in Figure 5, the predetermination clamp system is fixed by bolts on the support stand, by decide clamp bracket 21, predetermination clamping disk(-sc) 22, adjust plate 23, adjusting lever 24 constitutes.Wherein, predetermination clamping disk(-sc) 22 usefulness thread connection are fixed on decides on the clamp bracket 21, and height can be adjusted with the different wheel height of center; Deciding has threaded hole 33 on clamp bracket 21 side plates, is used for fixing front and back wheel central plane relative deviation measurement mechanism; Adjust plate 23 for three and have a certain degree mutually, be fixed by bolts to and decide on the clamping disk(-sc) 22, and adjust, as shown in Figure 6 with the different wheel diameter; Three adjusting levers 24 are connected in to be adjusted on the plate 23, and fixes with nut, adjusts extension elongation and makes three's end face in same vertical guide, acts on the electric bicycle wheel rim end face as locating surface.Preceding moving clamp system is made of electric pushrod 28, electric pushrod support 29, preceding moving clamping disk(-sc) 26, moving connector 27, adjustment plate 23, adjusting lever 24, the leg assembly 30 etc. of clamping.Wherein, preceding moving clamping disk(-sc) 26 is fixed on the electric pushrod 28 by the moving connector 27 that clamps, and is supported on the support stand A by the roller on the leg assembly 30 31.The moving clamping between connector 27 and the electric pushrod 28 connects by bearing pin, moves clamping connector 27 structures as shown in Figure 7.Two groups of leg assemblies 30 adopt thread connection with preceding moving clamping disk(-sc) 26, adjustable height, and leg assembly 30 is equipped with roller 31, as shown in Figure 8.On adjusting lever 24, be with fastening spring 25, play buffer action.Electric pushrod support 29 adjustable height.

Rear fixture D: as shown in Figure 9, be divided into the back and decide the moving clamp system of clamp system and back.The back is decided clamp system and is fixed by bolts on the support stand, by decide clamp bracket 21, afterwards clamping disk(-sc) 32, adjusting lever 24 constitute.Wherein, back clamping disk(-sc) 32 usefulness thread connection are fixed on decides on the clamp bracket 21, and height can be adjusted with the different wheel height of center; Deciding has threaded hole 33 on clamp bracket 21 side plates, is used for fixing front and back wheel central plane relative deviation measurement mechanism; Two adjusting levers 24 are connected on the clamping disk(-sc) 32 of back, and fix with nut, adjust the installation site according to the different wheel diameter, act on behind the electric bicycle on the upright strut of tailstock, as shown in figure 10.The moving clamp system in back is made of electric pushrod 28, electric pushrod support 29, back clamping disk(-sc) 32, moving connector 27, adjusting lever 24, the leg assembly 30 etc. of clamping.Wherein, back clamping disk(-sc) 32 is fixed on the electric pushrod 28 by the moving connector 27 that clamps, and is supported on the support stand A by the roller on the leg assembly 30 31.The moving clamping between connector 27 and the electric pushrod 28 connects by bearing pin.Two groups of leg assemblies 30 adopt thread connection with back clamping disk(-sc) 32, adjustable height, and leg assembly 30 is equipped with roller 31.On adjusting lever 24, be with fastening spring 25, play buffer action.Electric pushrod support 29 adjustable height.

The front and back clamp device is identical with the connecting mode of support stand A, is applicable to the electric bicycle that detects front-wheel drive after the exchange.Spacing is adjustable between the clamp device of front and back, adapts to different wheel center distances.

Front and back wheel central plane relative deviation measurement mechanism E: be made up of measuring head 34, case 35, WDL type displacement transducer 36, electromagnet 37, slide block 38, spring 39, pull bar 41, rocking bar 42 etc., structure as shown in figure 11.Entire measuring device is screwed is deciding clamp bracket 21 upper screwed holes 33 places.WDL type displacement transducer 36 and electromagnet 37 are screwed in case 35, and the motion end of electromagnet 37 can slide on slide block 38, and hinged by bearing pin and pull bar 41.Slide block 38 is fixed in the case 35.Rocking bar 42 1 ends adopt fork type to connect with measuring head 34, and the other end connects with case 35 with spring 39, it is hinged on the case 35 with bearing pin 40 near spring 39 places, and hinged with pull bar 41.Measuring head 34 is fixed on the extension bar of WDL type displacement transducer 36 by screw thread.In the work, the adhesive of control electromagnet 37 makes rocking bar 42 rotate a certain angle around bearing pin 40 by pull bar 41, thereby drives measuring head 34 rectilinear motions, and by WDL type displacement transducer 36 displacement numerical value is exported.Spring 39 plays buffering and reset response.

Principle of work: at first, at the model specification of electric bicycle to be detected, the position of the distance of clamp system, predetermination clamping disk(-sc) 22 height, electric pushrod 28 height, adjustment plate 23 and adjusting lever 24 before and after adjusting; After electric bicycle to be detected pushed to support stand, driving wheel was placed on the friction rotary drum 10, starts automatic clamping device, and vehicle is fixedly clamped; Driver and crew are sitting on the car body, enter trace routine.Detect index start-up time, max. speed, braking distance (dry state, hygrometric state), grade climbing performance, foot-operated driveability, mileages of continuation, hundred kilometers power consumptions, the noise that travels, under-voltage protection, overcurrent protection, front and back wheel central plane relative deviation etc. are arranged.

The detection of start-up time and max. speed is carried out together.When beginning to detect, start testing vehicle, record the maximum speed of friction rotary drum by JN338 type torque rotary speed sensor 8 to max. speed, the time that computer recording is used, and calculate max. speed.

Braking ability is an important indicator of electric bicycle, in the detection of this project, for making different vehicles begin braking with the identical speed of a motor vehicle, the utility model adopts motor 1 to drive friction rotary drum 10 by DLM2 type electromagnetic clutch 3 and rotates, record the speed of friction rotary drum 10 arrival regulations when JN338 type torque rotary speed sensor 8 after, vehicle to be measured begins braking; DLM2 type electromagnetic clutch 3 actions simultaneously make motor 1 with friction rotary drum 10 separately.After the rotary drum 10 of waiting to rub stops operating fully, measure the number of turns that the friction rotary drum turns over by HLE type rotary encoder 11, by calculating corresponding braking distance after the Computer Processing.The braking ability on hygrometric state, dry state road surface applies corresponding running resistance by CZK type magnetic powder brake 5 and tests respectively.

In the grade climbing performance test, CZK type magnetic powder brake 5 applies the running resistance value of the corresponding gradient, changes with the lifting of alternative mechanical configurations, play simplify the internal structure of an organization, purpose quickly and easily.When angle of slope reaches certain numerical value down, motor 1 will apply corresponding driving power by 3 pairs of friction rotary drums 10 of DLM2 type electromagnetic clutch, with simulates real physical circuit face situation.

When foot-operated driveability detects, apply under the average road traveling resistance condition at CZK type magnetic powder brake 5, whether the test driver ride used time of distance of regulation reaches standard-required.

The detection of mileages of continuation and hundred kilometers power consumptions is carried out simultaneously.Use external reference power supply in the test, rather than, so just avoided of the influence of accumulator quality quality, and the detection of accumulator is carried out separately vehicle performance with the accumulator of vehicle to be measured.Testing vehicle travels till the under-voltage protection device reaction with max. speed, measures stroke by HLE type rotary encoder 11, and measures power consumption by ammeter, thereby calculate hundred kilometers power consumptions.

The detection of noise of travelling is to be undertaken by the high precision sound meter that is installed in the monitor station next door, will demarcate sound meter before the test, and the noise signal collection is after A/D converter is transported to computing machine handles.

Front and back wheel central plane deviation is measured by WDL type displacement transducer 36, with a wheel plane of electric bicycle to be measured as reference field, measure the distance of another wheel plane with WDL type displacement transducer 36, promptly obtain the two medium plane of wheel amounts of deflection to reference field.

Claims (1)

1. the automatic monitor station of electric bicycle is characterized in that it comprises support stand (A), gearing (B), front clamp device (C), rear fixture (D), front and back wheel central plane relative deviation measurement mechanism (E) composition, wherein:
1) support stand (A) is assemblied to form by left and right sides two parts, and fixes with thread connection, and the base (13) of gearing (B) is fixed in the underframe;
2) gearing (B): comprise the bottom surface that base (13) is fixed on support stand (A), at base (13) motor (1) is housed successively from a left side, the right side upward, by shaft coupling (2), electromagnetic clutch (3), half a coupler (4), magnetic powder brake (5) connects with brake shaft (6), brake shaft (6) is by shaft coupling (7), another shaft coupling of torque rotary speed sensor (8) (7) connects with friction rotary drum (10) on being supported on bearing assembly (9), friction rotary drum (10) right-hand member connects with rotary encoder (11), whole device is contained in the support stand (A), has breach on support stand (A) face on the friction rotary drum (10);
3) front clamp device (C): be contained on the end face of the support stand (A) vertical, wherein with the rotary drum that rubs (10) bus:
A. predetermination clamp system: comprise and decide clamp bracket (21), predetermination clamping disk(-sc) (22), adjust plate (23), adjusting lever (24); The predetermination clamping disk(-sc) (22) of adjustment height is fixed on to be decided on the clamp bracket (21), decide to have threaded hole (33) on clamp bracket (21) side plate, front and back wheel central plane relative deviation measurement mechanism (E) can be installed, three adjustment plates (23) are mutually 120 ° and are fixed on the predetermination clamping disk(-sc) (22), and three adjusting levers (24) are contained in to be adjusted on the plate (23);
B. moving clamp system before: comprise electric pushrod (28), electric pushrod support (29), preceding moving clamping disk(-sc) (26), moving connector (27), adjustment plate (23), adjusting lever (24), the leg assembly (30) of clamping; Preceding moving clamping disk(-sc) (26) is fixed on the electric pushrod (28) by the moving connector (27) that clamps, and the roller (31) on the leg assembly (30) is supported on the end face of support stand (A);
4) rear fixture (D): be contained on the end face of support stand (A) of friction rotary drum (10) both sides, wherein:
A. clamp system is decided in the back: comprise and decide clamp bracket (21), back clamping disk(-sc) (32), adjusting lever (24); Back clamping disk(-sc) (32) is fixed on to be decided on the clamp bracket (21), decide to have threaded hole (33) on clamp bracket (21) side plate, front and back wheel central plane relative deviation measurement mechanism (E) can be installed, after decide to have many holes on the clamping disk(-sc) (32), two adjusting levers (24) are fixed in the respective aperture by thread connection;
B. clamp system is moved in the back: comprise electric pushrod (28), electric pushrod support (29), back clamping disk(-sc) (32), moving connector (27), adjusting lever (24), the leg assembly (30) of clamping; Back clamping disk(-sc) (32) is fixed on electric pushrod (28) by the moving connector (27) that clamps, roller (31) on the leg assembly (30) is supported on the end face of support stand (A), have many holes on back clamping disk(-sc) (32), two adjusting levers (24) are fixed in the respective aperture by thread connection;
5) front and back wheel central plane relative deviation measurement mechanism (E): comprise measuring head (34), case (35), displacement transducer (36), electromagnet (37), slide block (38), spring (39), pull bar (41); Displacement transducer (36), electromagnet (37) are fixed in the case (35), the motion end of electromagnet (37) can slide, hinged by bearing pin and pull bar (41), rocking bar (42) one ends connect with measuring head (34) fork type, the other end connects with case with spring (39), the rocking bar of locating near spring (39) is hinged on the case (35) with bearing pin (40), and whole device (E) is fixed in the screw of deciding on clamp bracket (21) side plate (33) with screw.
CN 02266226 2002-08-08 2002-08-08 Automatic detecting platform for electric bicycle CN2566256Y (en)

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Application Number Priority Date Filing Date Title
CN 02266226 CN2566256Y (en) 2002-08-08 2002-08-08 Automatic detecting platform for electric bicycle

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Application Number Priority Date Filing Date Title
CN 02266226 CN2566256Y (en) 2002-08-08 2002-08-08 Automatic detecting platform for electric bicycle

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100416249C (en) * 2004-10-13 2008-09-03 中华人民共和国慈溪出入境检验检疫局 Machine for testing braking performance of bicycle
CN1839302B (en) * 2003-08-22 2010-04-07 宝马股份公司 Test bench and method for carrying out aerodynamic measurements on vehicles
CN101865787A (en) * 2010-05-31 2010-10-20 哈尔滨工程大学 Performance detection stand of multifunctional walking aid rehabilitation robot
CN102442619A (en) * 2011-12-01 2012-05-09 中联重科股份有限公司 Steel wire rope pre-tightening device and tower crane with same
CN102855803A (en) * 2012-09-25 2013-01-02 天津爱玛科技股份有限公司 Assisting and speed-change teaching platform of electric bicycle
CN103940618A (en) * 2014-04-11 2014-07-23 宝克(无锡)测试设备有限公司 Vehicle testing rotating drum device
CN104184188A (en) * 2014-08-18 2014-12-03 张秋阳 Discharging device of electric vehicle
CN106482966A (en) * 2016-12-05 2017-03-08 天津威衡自动化科技有限公司 Electric bicycle car load detecting system
WO2020103305A1 (en) * 2018-11-22 2020-05-28 长安大学 Riding vibration prediction system and method of road surface bicycle

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1839302B (en) * 2003-08-22 2010-04-07 宝马股份公司 Test bench and method for carrying out aerodynamic measurements on vehicles
CN100416249C (en) * 2004-10-13 2008-09-03 中华人民共和国慈溪出入境检验检疫局 Machine for testing braking performance of bicycle
CN101865787A (en) * 2010-05-31 2010-10-20 哈尔滨工程大学 Performance detection stand of multifunctional walking aid rehabilitation robot
CN102442619A (en) * 2011-12-01 2012-05-09 中联重科股份有限公司 Steel wire rope pre-tightening device and tower crane with same
CN102855803A (en) * 2012-09-25 2013-01-02 天津爱玛科技股份有限公司 Assisting and speed-change teaching platform of electric bicycle
CN103940618A (en) * 2014-04-11 2014-07-23 宝克(无锡)测试设备有限公司 Vehicle testing rotating drum device
CN104184188A (en) * 2014-08-18 2014-12-03 张秋阳 Discharging device of electric vehicle
CN106482966A (en) * 2016-12-05 2017-03-08 天津威衡自动化科技有限公司 Electric bicycle car load detecting system
WO2020103305A1 (en) * 2018-11-22 2020-05-28 长安大学 Riding vibration prediction system and method of road surface bicycle

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