CN208568305U - Chassis dynamometer with vehicle centering body - Google Patents

Chassis dynamometer with vehicle centering body Download PDF

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Publication number
CN208568305U
CN208568305U CN201821072901.1U CN201821072901U CN208568305U CN 208568305 U CN208568305 U CN 208568305U CN 201821072901 U CN201821072901 U CN 201821072901U CN 208568305 U CN208568305 U CN 208568305U
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China
Prior art keywords
inductor
roller
vehicle
chassis dynamometer
hinge bar
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CN201821072901.1U
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Chinese (zh)
Inventor
黄诚
徐伟
刘汉光
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Hubei Huanyee Electromagnetic Equipment Engineering Technology Co Ltd
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Hubei Huanyee Electromagnetic Equipment Engineering Technology Co Ltd
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Abstract

The utility model discloses a kind of chassis dynamometer with vehicle centering body, includes pedestal, hinge bar, sliding block, guide rail and lifting mechanism;The pedestal is equipped with two pieces for installing the support bases of dynamometer machine Zhuan Grains, and the hinge bar is arranged symmetrically on the support base centered on Zhuan Grains shaft center line, and with the support seat hinge, hinge point is in the middle part of the hinge bar;The hinge bar head end is equipped with roller thrust mechanism, and tail end is equipped with slide bar;The sliding bar is connected in the horizontal concrete chute being set on the sliding block;The sliding block is slidably connected in the guide rail being arranged vertically on the support base, is provided thrust by lifting mechanism and is moved up and down.It is easy to operate the purpose of the utility model is to provide a kind of structure is simple, it can a kind of intelligent chassis dynamometer with vehicle centering body for realizing wheel centering.

Description

Chassis dynamometer with vehicle centering body
Technical field
The utility model relates to vehicle equipment technical field more particularly to a kind of chassis with vehicle centering body Dynamometer machine.
Background technique
During vehicle performance test, a kind of chassis dynamometer is usually used, one kind is provided on chassis dynamometer Vehicle centering body, the mechanism are mainly used for for the driving wheel of vehicle to be measured being adjusted to the center of rotary drum.Existing chassis Vehicle centering body on dynamometer machine is usually symmetrically arranged with four sets of ball screw elevators and therewith in the two sides of dynamometer machine restocking Four variable-frequency motors of connection, every suit ball screw elevator end connect a centering roller, start four variable-frequency motors, The corresponding ball screw elevator of every motor drive makes its corresponding centering rollers roll, to drive vehicle to be measured Tyre rotation centering.But due to four motor independent controls, poor synchronization, centering effect is bad.
Chinese patent (application number: CN201020001073.X, the applying date: 2010.01.19) discloses a kind of middle vapour Chassis electric dynamometer, including lifting mechanism, the lifting mechanism include the screw connecting with the lead screw, and the screw is logical Connecting rod I connecting rocker arm is crossed, the rocker arm upper end and transverse horizontal axis are affixed, and the transverse horizontal axis is installed in rotation on described In rack, the connecting rod extended towards the dynamometer machine middle and lower part, the lower end of the connecting rod are connected on the transverse horizontal axis Hinged with one end of connecting rod II, the other end and top plate of the connecting rod II is hinged, and the two sides of the top plate are respectively equipped with convex block, institute It states convex block to match with the track in the rack, the arc that the track is arched upward upwards in guidance top plate raising, the top plate Free end support roller is installed.The power that the technical solution is generated by motor is transmitted to measurement of power by retarder output Power is transmitted to survey by being located at the reversing mechanism of the dynamometer machine two sides by the horizontal drive shaft of machine front, horizontal drive shaft respectively The lead screw on the function machine left side and the lead screw of dynamometer machine right part, the power on last both sides all drives rocker arm mobile to centre from screw, horizontal It is rotated on the rack to trunnion axis.Since connecting rod is fixedly connected with transverse horizontal axis, connecting rod drives four top plates along rack On track move up.Two pieces of top plates jack up a wheel, are equipped with support roller in top plate end, wheel is made in gravity Under can support roller move up it is dynamic, until reaching central location automatically.It is rapidly and accurately right by above-mentioned automatic centering mechanism Just wheel position has reached the requirement of test.But this kind of drive mechanism complexity, assembly difficulty is big, and enters measurement of power in vehicle It after machine, is operated completely by macroscopic mode, lack of wisdomization control is horizontal according to the workmanship of operator Difference, it is difficult to ensure that the accuracy of test data.
Utility model content
It is easy to operate the purpose of the utility model is to provide a kind of structure is simple, intelligent it can realize the one of wheel centering Kind has the chassis dynamometer of vehicle centering body.
In order to achieve the above purposes, the technical solution adopted by the utility model is:
A kind of chassis dynamometer with vehicle centering body includes pedestal, hinge bar, sliding block, guide rail and lifting machine Structure;The pedestal is equipped with two pieces for installing the support base of dynamometer machine Zhuan Grains, and the hinge bar Yi Zhuan Grains shaft center line is Be centrosymmetrically arranged on the support base, and with the support seat hinge, hinge point is in the middle part of the hinge bar;It is described Hinge bar head end is equipped with roller thrust mechanism, and tail end is equipped with slide bar;The sliding bar, which is connected to, to be set on the sliding block In horizontal concrete chute;The sliding block is slidably connected in the guide rail being arranged vertically on the support base, by lifting mechanism Thrust is provided to move up and down.
Preferably, the roller thrust mechanism includes roller and shaft, and the shaft is fixedly mounted on the hinge bar Head end, the roller are mounted on the shaft by bearing;The beneficial effect is that: reduce external thrust mechanism and is driven in positioning Frictional force of the contact site to tire on the drive wheels when motor car wheel.
Preferably, the roller thrust mechanism includes roller, roller seat, auxiliary rod and shaft;The roller seat top Equipped with scotch, the shaft is fixed on the roller seat, and the roller is mounted on the shaft by bearing;The rolling Cylinder base is hinged on the hinge bar head end;Described auxiliary rod one end and the roller seat are hinged, the other end and support seat hinge, and Four articulated sections of the hinge bar and auxiliary rod form parallelogram sturcutre, and two articulated sections of side are in vertical direction cloth It sets;The beneficial effect is that: the design of scotch can effectively prevent vehicle to go out the generation of testing stand phenomenon, play good guarantor Vehicle and the effect of personnel are protected, and the rolling thrust mechanism has good storage to act on, and is especially in environment in dynamometer machine Storehouse, when needing to be isolated, the rolling thrust mechanism is gone up and down along with hinge bar, and due to articulated section in lifting process Special arrangement, the scotch rolled on thrust mechanism are in a vertical state always.
It is further preferred that the roller seat and scotch are removable connection, the scotch back is equipped with reinforcing rib; The beneficial effect is that: facilitate the production of components to process, mitigates the difficulty of monoblock type processing;The reinforcing rib stops for enhancing The structural strength of motion block, for bearing the impact force of vehicle.
Preferably, the lifting mechanism is hydraulic push rod;The beneficial effect is that: lifting process is steadily reliable, and can hold The load of load is big.
Preferably, the lifting mechanism includes driving motor and screw rod, and the sliding block connects thrust plate by support rod, The thrust plate, which is equipped with, is adapted to the screw flight hole: the beneficial effect is that: the driving motor uses SERVO CONTROL System, control precision is high, and assembly is simple, and cost opposing hydraulic system is low.
It is further preferred that the screw rod is T-type screw rod: the beneficial effect is that: T-type screw rod has self-locking function, When driving motor stops operating, thrust block pad is still on the screw rod, effectively increases the reliability of rotation.
Preferably, the support base is equipped with the inductor for incuding vehicle tyre, and the inductor is located at Zhuan Grains rotation Turn right above axial line;The beneficial effect is that: intelligent-induction driving wheel of vehicle passes inductive signal Zhi the position at the center Zhuan Grains Central controller is passed, and then controls the start and stop of lifting mechanism.
It is further preferred that the inductor includes the first inductor and the second inductor, second inductor is set Above first inductor, the beneficial effect is that: the alap Jie Jin Zhuan Grains wheel rim of first inductor, institute The top that the second inductor is placed in the first inductor is stated, when vehicle driving enters the Zhuan Grains preliminary centering of progress, is placed in top The second inductor can sense driving wheel of vehicle one step ahead, at this point, central controller receives the signal of the second inductor, hair It prompts out, allows vehicle to stop traveling, and start lifting mechanism;When the first inductor senses driving wheel of vehicle, vehicle at this time Driving wheel is approximately at the center Zhuan Grains, and central controller receives the signal of the first inductor at this time, and stops lifting machine Centering work is completed in structure movement.
Preferably, the inductor is laser inductor;The beneficial effect is that: laser inductor includes laser generator And laser pickoff, when work, in the case where obstacle is not present between laser generator and laser pickoff, laser occurs Device gets a laser beam to laser pickoff, and laser pickoff can generate an electric signal;When laser generator and laser connect It receives in the case where there is obstacle between device, such as driving wheel of vehicle, laser pickoff incudes the light beam less than laser generator, And the variation of electric signal is generated, to sense the situation of driving wheel of vehicle;This kind of inductor is quick on the draw, and can make Lifting mechanism quick response improves the speed of centering, and then improves operating efficiency.
Compared with prior art, the utility model has the beneficial effects that 1, roller thrust mechanism is by hinge bar around hinged The mode of portion's rotation pushes the mobile centering of driving wheel of vehicle, so that equipment drive mechanism is relatively independent, simple, and reduces dress With degree-of-difficulty factor;2, dexterously articulated manner makes scotch remain at vertical direction in moving process, plays best Protecting effect, enhance the security performance of equipment;3, the design of inductor increases the intelligent control of equipment, improves labour Efficiency is also reduced the measured deviation generated due to manual manipulative techniques' problem, improves the accuracy of test.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the chassis dynamometer with vehicle centering body described in embodiment one;
Fig. 2 is a kind of top view of the chassis dynamometer with vehicle centering body described in embodiment one;
Fig. 3 is the structure under a kind of chassis dynamometer centering state with vehicle centering body described in embodiment one Schematic diagram;
Fig. 4 is a kind of structural schematic diagram of the chassis dynamometer with vehicle centering body described in embodiment two;
Fig. 5 is a kind of structural schematic diagram of the chassis dynamometer with vehicle centering body described in embodiment three;
Fig. 6 is the structure under a kind of chassis dynamometer centering state with vehicle centering body described in embodiment three Schematic diagram;
Fig. 7 is the structural schematic diagram of roller thrust mechanism described in embodiment three;
In figure: 1, pedestal;11, support base;2, hinge bar;21, slide bar;3, roller thrust mechanism;31, roller;32, axis Bar;33, roller seat;34, scotch;35, auxiliary rod;4, sliding block;41, sliding slot;42, support rod;43, thrust plate;5, lifting machine Structure;51, screw rod;52, driving motor;6, Zhuan Grains;7, inductor;71, the first inductor;72, the second inductor;8, vehicle traction Wheel;9, guide rail.
Specific embodiment
Below in conjunction with the attached drawing in the utility model, the technical solution of the utility model is clearly and completely retouched It states, it is clear that the described embodiments are only a part of the embodiments of the utility model, instead of all the embodiments.Based on this Embodiment in utility model, those of ordinary skill in the art under the conditions of not making creative work it is obtained it is all its Its embodiment, fall within the protection scope of the utility model.
Embodiment one
As shown in Figure 1-3, a kind of chassis dynamometer with vehicle centering body, includes pedestal 1, hinge bar 2, sliding block 4, guide rail 9 and lifting mechanism 5;The pedestal 1 is equipped with two pieces for installing the support base 11 of dynamometer machine Zhuan Grains, the hinge bar 2 are arranged symmetrically on the support base 11 centered on Zhuan Grains shaft center line, and hinged with the support base 11, articulated section a Positioned at the middle part of the hinge bar 2;2 head end of hinge bar is equipped with roller thrust mechanism 3, and tail end is equipped with slide bar 21;The cunning Bar 21 is slidably connected in the horizontal concrete chute 41 being set on the sliding block 4;The sliding block 4 is slidably connected to be set along the vertical direction It sets in the guide rail 9 on the support base, provides thrust by lifting mechanism 5 and move up and down.
Preferably, the roller thrust mechanism 3 includes roller 31 and shaft 32, and the shaft 32 is fixedly mounted on described 2 head end of hinge bar, the roller 31 are mounted on the shaft 32 by bearing;The lifting mechanism 5 is hydraulic push rod, fixed Where installation on pedestal 1;The support base 11 is equipped with the inductor 7 for incuding vehicle tyre;The inductor 7 is laser Inductor, the inductor 7 are located at right above Zhuan Grains shaft center line;The inductor 7 includes the first inductor 71 and Two inductors 72, the light beam that first inductor issues are close to Zhuan Grains wheel rim, and second inductor 72 is placed in described first 71 top of inductor.
When work, dynamometer machine Zhuan Grains 6 remains static, and vehicle is slowly travelled into Zhuan Grains 6, feels to the second inductor 72 The wheel rim of driving wheel of vehicle 8 should be arrived, when issuing prompt, stops traveling, at this point, signal is passed to central control by the second inductor 72 Device processed, central controller controls starting lifting mechanism 5 pushes sliding block 4 to move under 9 phase of guide rail, under the action of hinge bar 2, rolling Cylinder thrust mechanism 3 pushes driving wheel of vehicle 8 mobile, when the first inductor 71 senses the wheel rim of driving wheel of vehicle 8, the first sense Answer device 71 that signal is passed to central controller, central controller controls stop lifting mechanism 5, at this point, driving wheel of vehicle 8 is preceding Under the action of back roll thrust mechanism 3, it is located in 6 center Zhuan Grains, completes centering.
Embodiment two
As shown in figure 4, a kind of chassis dynamometer with vehicle centering body, include pedestal 1, hinge bar 2, sliding block 4, Guide rail 9 and lifting mechanism 5;The pedestal 1 is equipped with two pieces for installing the support base 11 of dynamometer machine Zhuan Grains, the hinge bar 2 It is arranged symmetrically in centered on Zhuan Grains shaft center line on the support base 11, and hinged with the support base 11, articulated section a In the middle part of the hinge bar 2;2 head end of hinge bar is equipped with roller thrust mechanism 3, and tail end is equipped with slide bar 21;The slide bar 21 are slidably connected in the horizontal concrete chute 41 being set on the sliding block 4;The sliding block 4 is slidably connected to be arranged along the vertical direction In the guide rail 9 on the support base, thrust is provided by lifting mechanism 5 and is moved up and down.
Preferably, the roller thrust mechanism 3 includes roller 31 and shaft 32, and the shaft 32 is fixedly mounted on described 2 head end of hinge bar, the roller 31 are mounted on the shaft 32 by bearing;The lifting mechanism 5 includes driving motor 52 and screw rod 51, the sliding block 4 connects thrust plate 43 by support rod 42, and the thrust plate 43, which is equipped with, is adapted to the screw rod Threaded hole;The screw rod 51 is T-type screw rod;The support base 11 is equipped with the inductor 7 for incuding vehicle tyre;The sense Answering device 7 is laser inductor, and the inductor 7 is located at right above Zhuan Grains shaft center line;The inductor 7 includes the first sense Device 71 and the second inductor 72 are answered, the light beam that first inductor issues is close to Zhuan Grains wheel rim, and second inductor 72 is set Above first inductor 71.
When work, dynamometer machine Zhuan Grains 6 remains static, and vehicle is slowly travelled into Zhuan Grains 6, feels to the second inductor 72 The wheel rim of driving wheel of vehicle 8 should be arrived, when issuing prompt, stops traveling, at this point, signal is passed to central control by the second inductor 72 Device processed, central controller controls starting lifting mechanism 5 pushes sliding block 4 to move under 9 phase of guide rail, under the action of hinge bar 2, rolling Cylinder thrust mechanism 3 pushes driving wheel of vehicle 8 mobile, when the first inductor 71 senses the wheel rim of driving wheel of vehicle 8, the first sense Answer device 71 that signal is passed to central controller, central controller controls stop lifting mechanism 5, at this point, driving wheel of vehicle 8 is preceding Under the action of back roll thrust mechanism 3, it is located in 6 center Zhuan Grains, completes centering.
Embodiment three
As illustrated in figs. 5-7, a kind of chassis dynamometer with vehicle centering body includes pedestal 1, hinge bar 2, sliding block 4, guide rail 9 and lifting mechanism 5;The pedestal 1 is equipped with two pieces for installing the support base 11 of dynamometer machine Zhuan Grains, the hinge bar 2 are arranged symmetrically on the support base 11 centered on Zhuan Grains shaft center line, and hinged with the support base 11, articulated section a Positioned at the middle part of the hinge bar 2;2 head end of hinge bar is equipped with roller thrust mechanism 3, and tail end is equipped with slide bar 21;The cunning Bar 21 is slidably connected in the horizontal concrete chute 41 being set on the sliding block 4;The sliding block 4 is slidably connected to be set along the vertical direction It sets in the guide rail 9 on the support base, provides thrust by lifting mechanism 5 and move up and down.
Preferably, the roller thrust mechanism 3 includes roller 31, roller seat 33, auxiliary rod 35 and shaft 32;The rolling 33 top of cylinder base is equipped with scotch 34, and the shaft 32 is fixed on the roller seat 33, and the roller 31 is installed by bearing On the shaft 32;The roller seat 33 is hinged on hinge bar head end (the articulated section b);Described auxiliary rod one end with it is described Roller seat hinged (articulated section c), the other end and support seat hinge (articulated section d), and four hinges of the hinge bar and auxiliary rod Socket part (a, b, c, d) forms parallelogram sturcutre, and two junctions (a, d) of side are arranged in vertical direction;Back is equipped with The scotch 34 of reinforcing rib is fixed on the roller seat 33 by fastening bolt;The lifting mechanism 5 is hydraulic push rod, Where being fixedly mounted on pedestal 1;The support base 11 is equipped with the inductor 7 for incuding vehicle tyre;The inductor 7 is Laser inductor, the inductor 7 are located at right above Zhuan Grains shaft center line;The inductor 7 includes the first inductor 71 And second inductor 72, the light beam that first inductor issues are close to Zhuan Grains wheel rim, second inductor 72 is placed in described First inductor, 71 top.
When work, dynamometer machine Zhuan Grains 6 remains static, and vehicle is slowly travelled into Zhuan Grains 6, feels to the second inductor 72 The wheel rim of driving wheel of vehicle 8 should be arrived, when issuing prompt, stops traveling, at this point, signal is passed to central control by the second inductor 72 Device processed, central controller controls starting lifting mechanism 5 pushes sliding block 4 to move under 9 phase of guide rail, under the action of hinge bar 2, rolling Cylinder thrust mechanism 3 pushes driving wheel of vehicle 8 mobile, when the first inductor 71 senses the wheel rim of driving wheel of vehicle 8, the first sense Answer device 71 that signal is passed to central controller, central controller controls stop lifting mechanism 5, at this point, driving wheel of vehicle 8 is preceding Under the action of back roll thrust mechanism 3, it is located in 6 center Zhuan Grains, completes centering.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (10)

1. a kind of chassis dynamometer with vehicle centering body, which is characterized in that include pedestal, hinge bar, sliding block, guide rail And lifting mechanism;The pedestal is equipped with two pieces for installing the support base of dynamometer machine Zhuan Grains, the hinge bar Yi Zhuan Grains rotation Be arranged symmetrically in centered on axial line on the support base, and with the support seat hinge, hinge point is in the hinge bar Middle part;The hinge bar head end is equipped with roller thrust mechanism, and tail end is equipped with slide bar;The sliding bar be connected to be set to it is described In horizontal concrete chute on sliding block;The sliding block is slidably connected in the guide rail being arranged vertically on the support base, by Lifting mechanism provides thrust and moves up and down.
2. a kind of chassis dynamometer with vehicle centering body according to claim 1, which is characterized in that the roller Thrust mechanism includes roller and shaft, and the shaft is fixedly mounted on the hinge bar head end, and the roller is pacified by bearing On the shaft.
3. a kind of chassis dynamometer with vehicle centering body according to claim 1, which is characterized in that the roller Thrust mechanism includes roller, roller seat, auxiliary rod and shaft;The roller seat top is equipped with scotch, and the shaft is fixed On the roller seat, the roller is mounted on the shaft by bearing;It is first that the roller seat is hinged on the hinge bar End;Described auxiliary rod one end and the roller seat are hinged, the other end and support seat hinge, and the four of the hinge bar and auxiliary rod A articulated section forms parallelogram sturcutre, and two interface points of side are arranged in vertical direction.
4. a kind of chassis dynamometer with vehicle centering body according to claim 3, which is characterized in that the roller Seat is removable connection with scotch, and the scotch back is equipped with reinforcing rib.
5. a kind of chassis dynamometer with vehicle centering body according to claim 1, which is characterized in that the lifting Mechanism is hydraulic push rod.
6. a kind of chassis dynamometer with vehicle centering body according to claim 1, which is characterized in that the lifting Mechanism includes driving motor and screw rod, and the sliding block connects thrust plate by support rod, and the thrust plate is equipped with adaptation institute State screw flight hole.
7. a kind of chassis dynamometer with vehicle centering body according to claim 6, which is characterized in that the screw rod For T-type screw rod.
8. a kind of chassis dynamometer with vehicle centering body according to claim 2 or 3, which is characterized in that described Support base is equipped with the inductor for incuding vehicle tyre, and the inductor is located at right above Zhuan Grains shaft center line.
9. a kind of chassis dynamometer with vehicle centering body according to claim 8, which is characterized in that the induction Device includes the first inductor and the second inductor, and second inductor is placed in above first inductor.
10. a kind of chassis dynamometer with vehicle centering body according to claim 8, which is characterized in that the sense Answering device is laser inductor.
CN201821072901.1U 2018-07-06 2018-07-06 Chassis dynamometer with vehicle centering body Active CN208568305U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821072901.1U CN208568305U (en) 2018-07-06 2018-07-06 Chassis dynamometer with vehicle centering body

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821072901.1U CN208568305U (en) 2018-07-06 2018-07-06 Chassis dynamometer with vehicle centering body

Publications (1)

Publication Number Publication Date
CN208568305U true CN208568305U (en) 2019-03-01

Family

ID=65491432

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821072901.1U Active CN208568305U (en) 2018-07-06 2018-07-06 Chassis dynamometer with vehicle centering body

Country Status (1)

Country Link
CN (1) CN208568305U (en)

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