CN108152046B - Road simulation dynamometer support - Google Patents
Road simulation dynamometer support Download PDFInfo
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- CN108152046B CN108152046B CN201711327744.4A CN201711327744A CN108152046B CN 108152046 B CN108152046 B CN 108152046B CN 201711327744 A CN201711327744 A CN 201711327744A CN 108152046 B CN108152046 B CN 108152046B
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- roller
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- detection
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
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- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses the road simulation dynamometer supports in automotive performance testing equipment field, including rack, detection roller and two support rollers there are two being set in rack, driving box is equipped between two detection rollers, the shield that there is detection roller in the side of driving gear and the axis of roller is supported to protrude into, there is friction plate in shield, briquetting, first spring, friction plate is fixed on detection roller, support the shaft end of roller, briquetting is set in detection roller, on the axis for supporting roller, first spring is connected between briquetting and shield, detect roller, supporting on the axis of roller has axle sleeve, there is drag-line between axle sleeve and briquetting, there is card slot on axle sleeve；There is guide rod in rack on the outside of detection roller, has rack gear outside guide rod, have idler wheel on guide rod, rack gear is fixed with pulling plate close to one end of driving box, there is bayonet on pulling plate, and bayonet is connected in card slot.This programme solves the problems, such as that existing chassis dynamometer cannot simulate automobile turning situation.
Description
Technical field
The present invention relates to automotive performance testing equipment fields, and in particular to a kind of road simulation dynamometer support.
Background technique
Road simulation dynamometer is the important experimental facilities of automobile, is the desk-top experimental system for completing vehicle complete vehicle experiment,
Economy Test, the dynamic test, row of automobile can be completed indoors with the road load of the various operating conditions of simulated automotive roadway experiment
Performance special experiment related with analysis, failtests and vehicle transmission is put, is automobile experiment research, product development, matter
Large scale equipment essential to amount is examined, automobile experiment and common roadway experiment phase are completed using road simulation dynamometer indoors
Comparing has the advantages such as speed is fast, precision is high, expense is low.
Chassis dynamometer is divided into two classes: single roller chassis dynamometer, and diameter of cylinder is big (1500~2500mm), manufacture and
Mounting cost is big, but its measuring accuracy is high, main manufactory and R&D institution be used to complete 4 wheel driven or six drive each axis wheel
Power performance test；Double drum type chassis dynamometer, diameter of cylinder is small (180~500mm), and equipment cost is low, easy to use,
But measuring accuracy is poor, is generally used for the maintenance and detection of double drive automobiles.
Compared with outdoor road test, vehicle test is carried out on chassis dynamometer with safe and efficient and reproducible
The advantages of.Existing double drum type chassis dynamometer, due to its roller be all made of it is coaxially connected, roller simultaneously operate and cannot be single
Solely operation, can not accurate simulation automobile turn to when operating condition, cause detection data accuracy reduction, it is current major part automobile
Chassis dynamometer can not operating condition of simulated automotive when turning round, thus the test system of a complete detection simulated automotive comprehensive performance
System seems very necessary.
Summary of the invention
It, cannot be to automobile turning feelings to solve existing chassis dynamometer the invention is intended to provide road simulation dynamometer support
The problem of condition is simulated.
In order to achieve the above objectives, basic technology scheme of the invention is as follows: road simulation dynamometer support, including rack,
Rack is equipped with the detection roller being parallel to each other and support roller, and there are two detection roller coaxial arrangements, and support roller is coaxially set
There are two setting, the rack between two detection rollers is equipped with driving box, and detection roller is fixedly connected with one end of support roller
In driving box, other end rotation connection set on the rack, in driving box there are two gear is driven, nibble between two driving gears
Conjunction has transmission gear, and two driving gears with detection roller, support roller coaxial arrangement, drive the side of gear to be fixed with respectively
The axis of the shield of intermediate openings, detection roller and support roller protrudes into shield, and friction plate, briquetting, the first bullet are equipped in shield
Spring, the shaft end that friction plate is fixed on detection roller, supports roller, briquetting are set in detection roller, support on the axis of roller, first
Spring is connected between briquetting and shield, is detected and is fixed with axle sleeve on the axis of roller, support roller, connects between axle sleeve and briquetting
There is drag-line, axle sleeve is located at the card slot that the part outside driving box is equipped with annular；It is rotatably connected in rack on the outside of detection roller
Vertical guide rod, guide rod are equipped with tooth, are engaged with rack gear on the outside of guide rod, the top of guide rod is fixed with lateral branch
Bar is arranged with idler wheel on strut, and rack gear is fixed with pulling plate close to one end of driving box, and pulling plate is equipped at least two semicircular arcs
Bayonet, bayonet is connected in card slot, is connected with second spring between the end and rack of rack gear.
The principle of this programme is: when practical application, rack support as a whole and carrier, and two detection rollers and two
Support roller is respectively supported two wheels in the drive shaft of vehicle, and rotates under the drive of wheel by vehicle driving
Data transmitted and acquired, driving box for realizing two detect rollers or two support rollers between connections and point
From sliding tooth wheel is used to connect the shaft end of two detection rollers or two support rollers as connector, and driving gear passes through
Transmission gear is realizing the shaft end connection of two detection rollers while being supported the Synchronous Transmission and limitation of roller, so that detection
Roller and support roller remain synchronous rotation, so that measurement of power is more accurate；Drive gear and detection roller, support roller same
Axis setting enables the detection roller of driving gear two sides or support roller to rotate coaxially；Shield is as briquetting, the first spring
Support construction and friction plate, pressing plate position limiting structure, axle sleeve by drag-line drive briquetting move, the first spring by briquetting to
Friction plate push, briquetting under the action of the first spring to the extruding of friction plate so that friction plate and driving gear realize connection and
Separation, friction plate are fixed with the shaft end for detecting roller, support roller, and driving gear and detection roller, support roller is achieved
The connection of shaft.Guide rod provides that support, strut provide support for idler wheel, idler wheel is contacted with wheel, guide rod and tooth for strut
The transmitting of wheel deflection power is realized in item engagement, and rack gear is axle sleeve drive by the power-conversion that pulling plate and bayonet deflect wheel
The power of briquetting movement, to realize the separation between two detection rollers or two support rollers, wheel Hui Zhenghou is second
Rack drives guide rod automatically resets under the action of spring.
The advantages of this programme is: 1, the straight-line travelling measurement of power that can either be used to carry out vehicle can be used for carrying out vehicle turning
The measurement of power of traveling, by Ackermann steer angle wheel swing provide power carry out two sides wheel below roller separation convenient for pair
Medial and lateral wheel carries out measurement of power respectively, can simulate to automobile turning situation, so that inspection of the chassis dynamometer to automobile
More comprehensively；2, main that transmission and separation are realized by mechanical structure, electrical system is needed not rely on, it is not easy to make mistakes, facilitate dimension
It repairs, it is safer.
Preferred embodiment one drives the side of gear to rotate by plain thrust bearing as a kind of improvement of basic scheme
It is connected in driving box.To drive the connection between gear and driving box without relying upon axial workpiece in driving gear in this way
Middle part carry out driving gear installation, not only can guarantee sliding tooth wheel in driving box normal rotation again can for driving gear and detect
Roller supports the connection of roller to provide space to guarantee concentricity.
Preferred embodiment two, preferably one a kind of improvement, machine frame inside are equipped with the sliding slot slided for rack gear, rack
Multiple mounting holes arranged side by side are equipped with, the lower sidewall of mounting hole is connected to sliding slot, and guide rod is gear shaft, guide rod
Gear parts are protruded into sliding slot by the connectivity part of mounting hole, sliding slot and are engaged with the rack gear in sliding slot.Pass through multiple peaces in this way
The different selections for filling hole can be suitable for different vehicle, mounting hole be connected to sliding slot enable tooth on guide rod in sliding slot
Rack gear engagement, make the overall performance of guide rod more preferable using gear shaft, intensity is more preferable, be not easy by wheel steering hit become
Shape, use is sensitiveer, is not easy to block, and using effect is good.
Preferred embodiment three, preferably two a kind of improvement detect and are equipped with lifting machine between roller and support roller
Structure, lifting mechanism include hydraulic lifting cylinder and support plate, and support plate is fixed on the top of hydraulic lifting cylinder.Pass through lifting mechanism
Hydraulic lifting cylinder jacks up support plate, can jack up wheel between detection roller and support roller after the completion of measurement of power, make
It is concordant with roller to obtain wheel bottom, facilitates wheel detachment roller, vehicle is facilitated to sail out of from dynamometer machine.
Preferred embodiment four, preferably a kind of three improvement, support plate are fixed with close to the bottom of driving box one end
Limiting stand, limiting stand are equipped with inclined-plane, and close to driving box, high-end close support plate, inclined-plane is located under pulling plate the low side on inclined-plane
Side.In lifting mechanism, by wheel, limiting stand is followed and is moved up during the jacking up from detection roller, support roller, limiting stand
During moving up the bottom end of pulling plate is moved on limiting stand along inclined-plane to driving box, pulling plate pushes axle sleeve into driving box
So that on the end face that friction plate is pushed against driving gear under the effect of the first spring by briquetting, so that two detection rollers coaxially connect
It connects, two support rollers are coaxially connected, so that vehicle sails out of two detection rollers, two back-up rollers during dynamometer cradle
Cylinder will not relatively rotate, and vehicle sails out of more stable during dynamometer machine.
Preferred embodiment five, a kind of preferably four improvement, the bottom of limiting stand, which is fixed with, to be protruded into driving box
Chuck, chuck are located at the lower section of transmission gear, and the upper end of chuck is equipped with the lock groove of arc, several and transmission is equipped in lock groove
The locking tooth that gear is meshed.Wheel is jacked up in support plate, while increase chuck and being clamped with transmission gear, in lock groove
Locking tooth is engaged with transmission gear to be allowed to connect and fix, so that driving gear is fixed, passes through pulling plate, briquetting, the first spring, friction
Plate to detect roller, the shaft of roller is supported not to be able to rotate, so that detection roller, support roller cannot be in the drives of wheel
Lower rotation, vehicle wheel rotation sail out of more stable during dynamometer machine.
The surface of preferred embodiment six, a kind of preferably five improvement, support plate is equipped with the anti-skidding convex of several diamond shapes
It rises.Setting avoids wheel from skidding on the supporting plate so that the frictional force between support plate and wheel increases in this way.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the embodiment of the present invention；
Fig. 2 is the enlarged drawing of part A in Fig. 1；
Fig. 3 is the structural schematic diagram of support plate in the embodiment of the present invention.
Specific embodiment
Below by the further details of explanation of specific embodiment:
Appended drawing reference in Figure of description includes: rack 1, detection roller 2, support roller 3, driving box 4, driving gear
5, transmission gear 6, mounting hole 7, guide rod 8, idler wheel 9, rack gear 10, second spring 11, pulling plate 12, support plate 13, hydraulic lifting
Cylinder 14, limiting stand 15, chuck 16, plain thrust bearing 17, friction plate 18, shield 19, briquetting 20, the first spring 21, axle sleeve 22,
Card slot 23.
Embodiment is basic as shown in attached drawing 1, Fig. 2: road simulation dynamometer support, including rack 1, and rack 1 is equipped with phase
Mutually parallel detection roller 2 and support roller 3, there are two the detection coaxial arrangements of roller 2, and there are two the support coaxial arrangements of roller 3,
Rack 1 between two detection rollers 2 is equipped with driving box 4, and detection roller 2 and one end of support roller 3 are fixedly connected on drive
Dynamic case 4 is interior, the other end is rotatably connected in rack 1, is set in driving box 4 there are two gear 5 is driven, the side of driving gear 5 is logical
Plain thrust bearing 17 is crossed to be rotatably connected in driving box 4.Transmission gear 6, two drivings are engaged between two driving gears 5
Gear 5 is coaxially disposed with detection roller 2, support roller 3 respectively, and the side of driving gear 5 is fixed with the shield 19 of intermediate openings,
The axis of detection roller 2 and support roller 3 protrudes into shield 19, and friction plate 18, briquetting 20, the first spring 21 are equipped in shield 19,
The shaft end that friction plate 18 is fixed on detection roller 2, supports roller 3, the axis that briquetting 20 is set in detection roller 2, supports roller 3
On, the first spring 21 is connected between briquetting 20 and shield 19, and it detects and is fixed with axle sleeve 22 on the axis of roller 2, support roller 3,
Drag-line is connected between axle sleeve 22 and briquetting 20, axle sleeve 22 is located at the card slot 23 that the part outside driving box 4 is equipped with annular；Rack
1 is equipped with multiple mounting holes 7 arranged side by side, and guide rod 8 is inserted in mounting hole 7, and guide rod 8 is gear shaft, guide rod 8
Outside is engaged with rack gear 10, is equipped with the sliding slot slided for rack gear 10 inside rack 1, the gear parts of guide rod 8 pass through mounting hole
7, the connectivity part of sliding slot is protruded into sliding slot and is engaged with the rack gear 10 in sliding slot.The top of guide rod 8 is fixed with lateral strut,
Idler wheel 9 is arranged on strut, rack gear 10 is fixed with pulling plate 12 close to one end of driving box 4, and pulling plate 12 is equipped at least two half
Arc-shaped bayonet, bayonet are connected in card slot 23, are connected with second spring 11 between the end and rack 1 of rack gear 10.Detection
It is equipped with lifting mechanism between roller 2 and support roller 3, as shown in figure 3, lifting mechanism includes hydraulic lifting cylinder 14 and support plate
13, support plate 13 is fixed on the top of hydraulic lifting cylinder 14.The surface of support plate 13 is equipped with the anti-skid bulge of several diamond shapes, support
Plate 13 is fixed with limiting stand 15 close to the bottom of 4 one end of driving box, and limiting stand 15 is equipped with inclined-plane, and the low side on inclined-plane is close to driving
Case 4, high-end close support plate 13, inclined-plane is located at the lower section of pulling plate 12.The bottom of limiting stand 15, which is fixed with, to be protruded into driving box 4
Chuck 16, chuck 16 are located at the lower section of transmission gear 6, and the upper end of chuck 16 is equipped with the lock groove of arc, if being equipped in lock groove
The dry locking tooth being meshed with transmission gear 6.
In the present embodiment, when practical application, detection roller 2 and support the shaft of roller 3 close to one end spline of driving box 4
It is connected with apical axis, spring is connected between apical axis and shaft, friction plate 18 is welded on the end of apical axis, and apical axis is coaxially set with shaft
It sets.In use, on vehicle driving chassis dynamometer support, the driving wheel of automobile drive to detection roller 2 and support roller 3 it
Between, lifting mechanism decline, wheel is supported by detection roller 2 and support roller 3, and adjustment guide post makes the idler wheel 9 on strut
With wheel EDGE CONTACT, vehicle wheel put-straight, the extrusion friction plate 18 under the action of the first spring 21 of briquetting 20 at this time, so that friction plate
18 push against with the side of gear 5 is driven, and support the axis of rollers 3 to be both connected on driving gear 5 to detect rollers 2/ for two,
Realize that two detection rollers 2/ support rollers 3 can rotate synchronously under wheel drive, when vehicle wheel rotation, drives idler wheel 9 to rotate,
Guide rod 8, strut limit wheel simultaneously, have certain vehicle is anti-to go out performance, can be to the straight-line travelling of vehicle
Parameter carries out more accurate detection.When needing the turning driving situation to vehicle to detect, vehicle is adjusted by steering wheel
Angle is taken turns, squeezing roller 9 during shimmy drives strut, guide rod 8 to rotate, and the rotation of guide rod 8 passes through gear parts band
Carry-over bar 10 is mobile, and rack gear 10 drives axle sleeve 22 mobile, and axle sleeve 22 drives briquetting 20 to overcome the first spring 21 mobile by drag-line,
Briquetting 20 is set to unclamp the extruding to friction plate 18, friction plate 18 and driving gear 5 are detached from, so that two detection rollers, 2, two branch
Support roller 3 separates, so that the forward and backward different location independent contact detection roller 2 of wheel and support roller 3 when wheel is turned, make
It must detect and not interfere with each other between roller 2, support roller 3, be by carrying out data acquisition respectively to detection roller 2, support roller 3
Accurately the case where vehicle turning or curve driving, can be detected, Data Detection is more accurate.
What has been described above is only an embodiment of the present invention, and the common sense such as well known specific structure and/or characteristic are herein in scheme
It does not describe excessively.It should be pointed out that for those skilled in the art, without departing from the structure of the invention, also
Several modifications and improvements can be made, these also should be considered as protection scope of the present invention, these all will not influence of the invention real
The effect and patent practicability applied.The scope of protection required by this application should be based on the content of the claims, specification
In the records such as specific embodiment can be used for explaining the content of claim.
Claims (7)
1. road simulation dynamometer support, including rack, rack is equipped with the detection roller being parallel to each other and support roller, detection
There are two roller coaxial arrangements, and support roller is coaxially arranged with two, and the rack between two detection rollers is equipped with driving box,
Vertical guide rod is rotatably connected in rack on the outside of detection roller, it is characterised in that: the one of detection roller and support roller
Gear, two drivings are driven there are two end is fixedly connected in driving box, other end rotation connection is set on the rack, in driving box
Transmission gear is engaged between gear, two driving gears with detection roller, support roller coaxial arrangement, drive gear respectively
Side is fixed with the shield of intermediate openings, and detection roller and the axis of support roller protrude into shield, and friction plate, pressure are equipped in shield
Block, the first spring, the shaft end that friction plate is fixed on detection roller, supports roller, briquetting are set in detection roller, support roller
On axis, the first spring is connected between briquetting and shield, is detected and is fixed with axle sleeve, axle sleeve and pressure on the axis of roller, support roller
Drag-line is connected between block, axle sleeve is located at the card slot that the part outside driving box is equipped with annular；Guide rod is equipped with tooth, guide rod
Outside be engaged with rack gear, the top of guide rod is fixed with lateral strut, idler wheel is arranged on strut, rack gear is close to driving box
One end be fixed with pulling plate, pulling plate is equipped with the bayonet of at least two semicircular arcs, and bayonet is connected in card slot, the end of rack gear
Second spring is connected between rack.
2. road simulation dynamometer support according to claim 1, it is characterised in that: the side of the driving gear passes through
Plain thrust bearing is rotatably connected in driving box.
3. road simulation dynamometer support according to claim 2, it is characterised in that: machine frame inside is equipped with to be slided for rack gear
Sliding slot, rack is equipped with multiple mounting holes arranged side by side, and the lower sidewall of mounting hole is connected to sliding slot, and guide rod is gear
The gear parts of axis, guide rod are protruded into sliding slot by the connectivity part of mounting hole, sliding slot and are engaged with the rack gear in sliding slot.
4. road simulation dynamometer support according to claim 3, it is characterised in that: the detection roller and support roller
Between be equipped with lifting mechanism, lifting mechanism includes hydraulic lifting cylinder and support plate, and support plate is fixed on the top of hydraulic lifting cylinder.
5. road simulation dynamometer support according to claim 4, it is characterised in that: the support plate is close to driving box one
The bottom at end is fixed with limiting stand, and limiting stand is equipped with inclined-plane, and the low side on inclined-plane is close to driving box, high-end close support plate, tiltedly
Face is located at the lower section of pulling plate.
6. road simulation dynamometer support according to claim 5, it is characterised in that: the bottom of the limiting stand is fixed with
Protrude into the chuck in driving box, chuck is located at the lower section of transmission gear, and the upper end of chuck is equipped with the lock groove of arc, in lock groove
Equipped with several locking tooths being meshed with transmission gear.
7. road simulation dynamometer support according to claim 6, it is characterised in that: if the surface of the support plate is equipped with
The anti-skid bulge of dry diamond shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711327744.4A CN108152046B (en) | 2017-12-13 | 2017-12-13 | Road simulation dynamometer support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711327744.4A CN108152046B (en) | 2017-12-13 | 2017-12-13 | Road simulation dynamometer support |
Publications (2)
| Publication Number | Publication Date |
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| CN108152046A CN108152046A (en) | 2018-06-12 |
| CN108152046B true CN108152046B (en) | 2019-07-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711327744.4A Active CN108152046B (en) | 2017-12-13 | 2017-12-13 | Road simulation dynamometer support |
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| CN (1) | CN108152046B (en) |
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| CN109506945B (en) * | 2018-10-18 | 2020-12-22 | 珠海同米科技有限公司 | Inertia dynamometer |
| JP7292810B2 (en) * | 2020-09-10 | 2023-06-19 | 東芝三菱電機産業システム株式会社 | chassis dynamometer |
| CN112985658B (en) * | 2021-02-01 | 2022-05-13 | 温州技师学院 | Chassis power measuring equipment based on IGBT technology |
| CN113188502B (en) * | 2021-03-25 | 2023-03-31 | 南京路港汽车检测有限公司 | Automobile chassis clearance detection system |
| CN113029597A (en) * | 2021-04-06 | 2021-06-25 | 北京理工大学 | Unmanned vehicle full-line control chassis test system |
| CN114235440B (en) * | 2021-12-31 | 2023-07-21 | 商洛学院 | Protective type automobile horsepower machine |
| CN116818370B (en) * | 2023-08-31 | 2023-12-12 | 山东金彭新能源科技有限公司 | New energy automobile chassis detection device |
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| JP2008309605A (en) * | 2007-06-14 | 2008-12-25 | Ono Sokki Co Ltd | Chassis dynamometer control system and engine dynamometer control system |
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| CN108152046A (en) | 2018-06-12 |
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Effective date of registration: 20200401 Address after: Room 1,020, Nanxun Science and Technology Pioneering Park, No. 666 Chaoyang Road, Nanxun District, Huzhou City, Zhejiang Province, 313000 Patentee after: Huzhou You Yan Intellectual Property Service Co.,Ltd. Address before: 400000 Chongqing Jiulongpo District, Chongqing New Road No. 176, No. 5 negative layer Patentee before: CHONGQING HOUQUAN TECHNOLOGY DEVELOPMENT Co.,Ltd. |
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Effective date of registration: 20200506 Address after: 401420 No. 666, Jiefang Road, Qijiang District, Qihe, Chongqing Patentee after: CHONGQING QICHI HIGH-TECH CASTING Co.,Ltd. Address before: Room 1,020, Nanxun Science and Technology Pioneering Park, No. 666 Chaoyang Road, Nanxun District, Huzhou City, Zhejiang Province, 313000 Patentee before: Huzhou You Yan Intellectual Property Service Co.,Ltd. |
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