CN209416551U - Chassis dynamometer vehicle centralising device - Google Patents
Chassis dynamometer vehicle centralising device Download PDFInfo
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- CN209416551U CN209416551U CN201821514378.3U CN201821514378U CN209416551U CN 209416551 U CN209416551 U CN 209416551U CN 201821514378 U CN201821514378 U CN 201821514378U CN 209416551 U CN209416551 U CN 209416551U
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- centering
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- ball screw
- dynamometer machine
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Abstract
The utility model relates to symmetrically arranged two sets of ball screws on a kind of chassis dynamometer vehicle centralising device, including dynamometer machine restocking (1) two sides and four sets of centering drum supporting devices, variable-frequency motor (2)；Ball screw is made of ball screw type elevator (7) and ball-screw (11), is passed through driving variable-frequency motor (2) and is rotated drive shaft A(6 arranged side by side) and four sets of centering drum supporting devices with ball screw inside adjacent thereto are articulated as one linkage respectively；It is characterized in that variable-frequency motor (2) is the variable-frequency motor of double output shaft.
Description
Technical field
The utility model patent is related to the dress of the vehicle centering on car consumption credit field, especially road simulation dynamometer
It sets.
Background technique
Automobile chassis survey measurement of power machine support on vehicle centralising device, be vehicle test and detection overall performance before,
The driving wheel of vehicle for exercising top bottom-disc dynamometer machine rotary drum is adjusted to the center of dynamometer machine rotary drum, in order to complete vehicle examination
The installation and preparation tested.
Existing road simulation dynamometer vehicle centralising device, generally by four sets of ball screw type elevators, four variable-frequency electrics
The composition such as machine, four centering rollers, is mounted on dynamometer machine upper bracket two sides, four sets of ball screw type elevators respectively with four frequency conversions
Motor connection, ball screw type elevator respectively connect the both ends of centering roller, and variable-frequency motor is driven corresponding rolling
Ballscrew elevator makes the centering rollers roll connecting with ball screw type elevator both ends, to realize that will exercise top bottom-disc surveys
To be tested and detection vehicle tyre on function machine rotary drum rotates centering；In favor of the test and detection of the vehicle, due to four sets of balls
Screw-threaded shaft elevator connects transmission by corresponding four variable-frequency motors to drive centering rollers roll respectively, they distinguish each
Complicated for operation from control, motion synchronicity is poor, and centering effect is poor, cannot realize and lift to vehicle.
Summary of the invention
For above-mentioned deficiency of problems, and propose a kind of novel chassis measurement of power rolling stock centralising device, the letter of its structure
Single, easy to operate, motion synchronicity is good, and vehicle centering effect is good, securely and reliably, is able to achieve the lifting to vehicle.
The utility model adopts the following technical solution: a kind of novel chassis measurement of power rolling stock centralising device, including dynamometer machine
Restocking, two sets of ball screws, four sets of centering drum supporting devices, variable-frequency motor composition；It is characterized in that on dynamometer machine
Two sets of ball screws are symmetrically arranged on the outside of frame both ends, by shaft coupling and driving axis connection, two sets of ball-screws
Transmission device is articulated as one with four sets of centering drum supporting devices on the inside of adjacent dynamometer machine restocking linkage respectively；Rolling above-mentioned
Ball screw drives by ball screw type elevator, traveling nut, ball-screw, turning joint arm, expansion sleeve, pin, etc. form,
The ball screw type elevator is fixed on one side on the outside of dynamometer machine restocking, and mixes the movable screw of rotation direction identical as lead screw
Female, traveling nut and turning joint arm upper end are integrated by pin connection；Turning joint arm lower end is connected in place by expansion sleeve
Below ball screw type elevator lead screw and in drive shaft normal thereto, and as turning joint arm upper arm with traveling nut
The fulcrum of beat, the ball-screw are fixed on another side mutually arranged side by side with ball screw type elevator in dynamometer machine restocking, and
The traveling nut, traveling nut and turning joint arm upper end for mixing rotation direction identical as lead screw are integrated by pin connection；Activity is closed
Joint arm lower end is connected to below ball-screw and in drive shaft normal thereto by expansion sleeve, and as turning joint
With the fulcrum of traveling nut beat, ball screw type elevator and ball-screw are connected arm upper arm by shaft coupling；Its feature
Be ball screw type elevator and ball-screw lead screw it is oppositely oriented, centering drum supporting device above-mentioned is located at dynamometer machine restocking
The inside of ball screw is symmetrical arranged;By centering roller, centering idler wheel, turning joint arm, support arm, centering guide rail
Deng composition, the driving axis connection that the lower end of turning joint arm passes through expansion sleeve and is supported in dynamometer machine restocking, and as work
The fulcrum of movable joint arm upper arm beat, the upper end pin connection of turning joint arm is in the lower end of support arm；The connection of support arm upper end
To middle roller two ends, centering cylinder support is got up, closely support arm outside is connected with centering rolling to centering roller two ends
Wheel, the centering idler wheel and dynamometer machine pedestal upper end Middle face at both ends are that the centering guide rail surface of upper convex arc surface rolls connection；Before
The middle part blending bolt that the variable-frequency motor stated is located at dynamometer machine restocking side is fastened on motor mounting plate, motor mounting plate spiral shell
Bolt is fastened in dynamometer machine restocking, and the output shaft at variable-frequency motor both ends is driven by shaft coupling and both ends driving axis connection arranged side by side
Moving axis is connect with the ball screw type elevator on the ball screw at left and right sides of dynamometer machine restocking respectively through shaft coupling.
The utility model chassis dynamometer vehicle centralising device, driving variable-frequency motor rotates drive shaft arranged side by side when work,
Drive shaft drives two sets of ball screw type elevator transmission devices and four sets of hinged centering drum supporting devices integrally to link, and is becoming
It works asynchronously under the drive of frequency motor, drives four sets centering cylinder supports to fill when two sets of ball screw type elevator transmission operations
Arc surface of the idler wheel set along centering guide rail upper surface moves, and centering roller is made to increase or decline, to realize to vehicle
Lifting；Driving wheel of vehicle can be pushed into dynamometer machine rotary drum center automatically after vehicle exercises top bottom-disc dynamometer machine, simultaneously
With vehicle lifting function, disengage vehicle tyre and chassis dynamometer drum surface, simple and compact for structure, work safety can
Lean on, simple to operate, synchronism is good, and centering effect is good, can be realized vehicle lifting, reduce complete machine cost, reduce operation at
This features such as.
Detailed description of the invention
With reference to the accompanying drawing, the utility model is further illustrated:
Fig. 1 is the main view of the utility model:
Fig. 2 is Fig. 1 right view:
Fig. 3 is Fig. 1 D-D view:
In figure: 1-dynamometer machine restocking 2-variable-frequency motor, 3-bolt, 4-motor mounting plate, 5-shaft coupling
6-10-traveling nut of drive shaft A 7-ball screw type elevator, 8-expansion sleeve, 9-turning joint arm, 11-rollings
Ballscrew 12-pin, 13-drive shaft B 14-support arm, 15-centering, 16-centering of idler wheel roller 17-led in
Rail.
Specific embodiment:
Illustrate the embodiments of the present invention with reference to the accompanying drawings；It is a kind of in Fig. 1-embodiment shown in Fig. 3
Novel chassis measurement of power rolling stock centralising device, including 1, two set of ball screw of dynamometer machine restocking, four sets of centering rollers
Support device, variable-frequency motor 2 form；It is characterized in that being symmetrically arranged with two sets of ball-screw-transmissions on the outside of 1 both ends of dynamometer machine restocking
Device is connected through shaft coupling 5 with drive shaft A6, and four sets of centering drum supporting devices with adjacent 1 inside of dynamometer machine restocking are hingedly
One linkage.Ball screw above-mentioned is closed by ball screw type elevator 7, traveling nut 10, ball-screw 11, activity
Joint arm 9, expansion sleeve 8, pin 12 form, and the ball screw type elevator 7 is fixed on one side on the outside of 1 both ends of dynamometer machine restocking,
And it mixes the traveling nut 10 of rotation direction identical as lead screw, 9 upper end of turning joint arm and is connect with traveling nut 10 by pin 12；Lower end
It is connect by expansion sleeve 8 with drive shaft B13, the ball-screw 11 is fixed in dynamometer machine restocking 1, is gone up and down with ball-screw
The opposite another side arranged side by side of machine 7, and mix the traveling nut 10 of rotation direction identical as lead screw, 9 upper end of turning joint arm passes through pin 12
It is connect with traveling nut 10；Lower end is connect by expansion sleeve 8 with drive shaft B13, and ball screw type elevator 7 and ball-screw 11 are logical
Shaft coupling 5 is crossed to connect；It is characterized in that the lead screw rotation direction of ball screw type elevator 7 and ball-screw 11 is answered on the contrary, above-mentioned
Centering drum supporting device is located on the inside of 1 ball screw of dynamometer machine restocking and is symmetrical arranged;By centering roller 16,
Centering idler wheel 15, turning joint arm 9, support arm 14, centering guide rail 17 form；The lower end of turning joint arm 9 by expansion sleeve 8 with
Drive shaft B13 connection, upper end pin 12 are connected to the lower end of support arm 14；14 upper end of support arm is connected to 16 both ends of centering roller
Head supports centering roller 16, and 16 two ends of centering roller closely connect centering idler wheel 15, centering rolling on the outside of support arm 14
Wheel 15 is connect with 17 surface scrolls of centering guide rail in the middle part of 1 upper surface of dynamometer machine restocking being upper convex arc surface, drive shaft above-mentioned
B13 is supported in dynamometer machine restocking 1, and the lower end of turning joint arm 9 and turning joint arm 9 is both connected to drive by expansion sleeve 8
On moving axis B13, and respectively as the fulcrum of 9 upper arm activity beat of turning joint arm, variable-frequency motor 2 above-mentioned is located at dynamometer machine
The middle part blending bolt 3 of upper 1 frame side is fastened on motor mounting plate 4, and motor mounting plate 4 is fastened on dynamometer machine with bolt 3
On frame 1, the output shaft at 2 both ends of variable-frequency motor is connect by the drive shaft A6 arranged side by side with both ends of shaft coupling 5, and drive shaft A6 is through shaft coupling
Device 5 is connect with the ball screw type elevator 7 on the ball screw on dynamometer machine at left and right sides of 1 frame respectively.It is above-mentioned
Variable-frequency motor is the variable-frequency motor of double output shaft.
The utility model is by driving variable-frequency motor 2 to rotate drive shaft A6 arranged side by side and driving two sets of ball-screw liters respectively
Traveling nut 10 on drop machine 7 and ball-screw 11 is mobile in the same direction, and 9 lower end of turning joint arm is using drive shaft B13 as fulcrum, upper end
The deflection angle with the movement of traveling nut 10, while it is same as the upper arm of the turning joint arm 9 of fulcrum using drive shaft B13 to link
To beat, the beat linkage support arm 14 of turning joint arm 9 pushes centering idler wheel 15 to the rolling on middle guide rail 17, realizes
The raising or decline of centering roller 16, to realize lifting to neutralization for driving wheel of vehicle.
The utility model is linked by two sets of ball screws and four sets of hinged centering drum supporting devices
Mode is driven, it is ensured that the synchronism in each direction and the movement of each moment, centering body can be calculated by operation
Machine control, can also be by manually adjusting；It, can be safe when automobile driving wheel is pushed into rotary drum center by centralising device
Vehicle is fastened, automobile driving wheel can also be lifted completely, be detached from contact with drum surface, do not needing to open on vehicle
In the case where walking, carry out dynamometer machine itself without vehicle sliding calibration program.
Claims (3)
1. a kind of novel chassis measurement of power rolling stock centralising device, including dynamometer machine restocking (1), two sets of ball screws,
Four sets of centering drum supporting devices, variable-frequency motor (2) composition, it is characterized in that:
A), two sets of ball screws are symmetrically arranged with through shaft coupling (5) and drive shaft on the outside of dynamometer machine restocking (1) both ends
A (6) connection is articulated as one linkage with four sets of centering drum supporting devices on the inside of adjacent dynamometer machine restocking (1)；
B), ball screw above-mentioned is by ball screw type elevator (7), traveling nut (10), ball-screw (11), work
Movable joint arm (9), expansion sleeve (8), pin (12) composition, the ball screw type elevator (7) and ball-screw (11) pass through shaft coupling
Device (5) connects, and is separately fixed at the outside at dynamometer machine restocking (1) both ends, and mixes the traveling nut of same rotation direction
(10), the upper end of turning joint arm (9) is connect by pin (12) with traveling nut (10)；Lower end is fixed on by expansion sleeve (8)
On drive shaft B (13), it is characterized in that the lead screw rotation direction of ball screw type elevator (7) and ball-screw (11) should be opposite；
C), centering drum supporting device above-mentioned is by centering roller (16), centering idler wheel (15), turning joint arm (9), support arm
(14), centering guide rail (17) forms, and the centering drum supporting device is located at dynamometer machine restocking (1) ball screw
Inside is simultaneously symmetrical arranged；The lower end of turning joint arm (9) is connect by expansion sleeve (8) with drive shaft B(13), and upper end is with pin (12)
It is connected to the lower end of support arm (14)；Support arm (14) upper end is connected to centering roller (16) two ends, centering roller (16)
It supports, connects centering idler wheel (15) on the outside of centering roller (16) two ends support arm (14), centering idler wheel (15) and measurement of power
It is centering guide rail (17) the surface scrolls connection of upper convex arc surface in the middle part of machine restocking (1) upper surface；
D), drive shaft B (13) above-mentioned is supported on dynamometer machine restocking (1), and the lower end of turning joint arm (9) passes through expansion sleeve
(8) it is fixed on drive shaft B(13) on, and as the fulcrum of the movable beat of turning joint arm (9)；
E), the middle part blending bolt (3) that variable-frequency motor (2) above-mentioned is located at (1) frame side on dynamometer machine is fastened on motor installation
On plate (4), motor mounting plate (4) is fastened on dynamometer machine restocking (1) with bolt (3), and the output shaft at variable-frequency motor (2) both ends is logical
Cross shaft coupling (5) the drive shaft A(6 arranged side by side with both ends) connect, drive shaft A(6) through shaft coupling (5) respectively with (1) on dynamometer machine
Ball screw type elevator (7) connection on the ball screw of frame two sides.
2. chassis dynamometer vehicle centralising device according to claim 1, it is characterized in that ball screw type elevator (7) and rolling
Ballscrew (11) rotation direction should be opposite.
3. chassis dynamometer vehicle centralising device according to claim 1 or 2, it is characterized in that variable-frequency motor above-mentioned (2)
For the variable-frequency motor of double output shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821514378.3U CN209416551U (en) | 2018-09-17 | 2018-09-17 | Chassis dynamometer vehicle centralising device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821514378.3U CN209416551U (en) | 2018-09-17 | 2018-09-17 | Chassis dynamometer vehicle centralising device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209416551U true CN209416551U (en) | 2019-09-20 |
Family
ID=67930649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821514378.3U Active CN209416551U (en) | 2018-09-17 | 2018-09-17 | Chassis dynamometer vehicle centralising device |
Country Status (1)
| Country | Link |
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| CN (1) | CN209416551U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111537124A (en) * | 2020-05-19 | 2020-08-14 | 温州任和文化创意有限责任公司 | Centering device of automobile chassis dynamometer |
-
2018
- 2018-09-17 CN CN201821514378.3U patent/CN209416551U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111537124A (en) * | 2020-05-19 | 2020-08-14 | 温州任和文化创意有限责任公司 | Centering device of automobile chassis dynamometer |
| CN111537124B (en) * | 2020-05-19 | 2021-11-30 | 上海昂勤测控技术股份有限公司 | Centering device of automobile chassis dynamometer |
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