CN109900400A - A kind of chassis dynamometer centralising device - Google Patents
A kind of chassis dynamometer centralising device Download PDFInfo
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- CN109900400A CN109900400A CN201910294170.8A CN201910294170A CN109900400A CN 109900400 A CN109900400 A CN 109900400A CN 201910294170 A CN201910294170 A CN 201910294170A CN 109900400 A CN109900400 A CN 109900400A
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Abstract
The invention discloses a kind of chassis dynamometer centralising devices, including dynamometer machine rotary drum, four centering motors, connecting rod and four tiles toolings, wherein: four tiles toolings are symmetrically assemblied in the drum side bottom surface of the dynamometer machine rotary drum, and four tiles toolings are connect with four centering motor drives respectively by connecting rod；When centering motor rotates forward, tiles tooling extends to the upside of dynamometer machine rotary drum under the action of connecting rod and is covered in face of drum surface；When centering motor reversal, tiles tooling retracts the drum side bottom surface of dynamometer machine rotary drum under the action of connecting rod.The present invention provides a kind of chassis dynamometer centralising device, before vehicle test, wheel quickly can be placed in rotary drum top by centralising device, the problem of without leading to intricate operation due to wheel adjusts repeatedly and ties up vehicle, the efficiency of Preparatory work of experiment work is greatly improved, and is conducive to improve the accuracy and safety of experiment.
Description
Technical field
The present invention relates to two to drive vehicle test technical field more particularly to a kind of single-drum chassis dynamometer centralising device.
Background technique
The measurement that tradition carries out vehicle transmission resistance wasted power, vehicle chassis output power etc. is carrying out vehicle test
Before, it needs for wheel to be placed in the top of chassis dynamometer rotary drum, then carries out tying up vehicle again, otherwise will affect the accuracy of experiment very
Safety accident can extremely occur, therefore need multiple be adjusted to tie up vehicle to improve the accuracy of experiment, whole operation is repeatedly numerous
Trivial, heavy workload greatly reduces working efficiency.
In order to overcome the shortcomings in the background art with defect, the present invention provides a kind of chassis dynamometer centralising device.
Summary of the invention
The object of the present invention is to provide it is a kind of can be quickly by wheel as the chassis on rotary drum top by centralising device
Dynamometer machine centralising device.
The present invention is achieved through the following technical solutions:
A kind of chassis dynamometer centralising device, it is characterised in that: including dynamometer machine rotary drum, four centering motors, four companies
Extension bar and four tiles toolings, in which:
Four tiles toolings are symmetricly set on the drum side bottom surface of the dynamometer machine rotary drum, and four tiles toolings pass through connecting rod
It is connect respectively with four centering motor drives；
When centering motor rotates forward, tiles tooling extends to the upside of dynamometer machine rotary drum and is faced under the action of connecting rod
Drum surface is covered；
When centering motor reversal, tiles tooling retracts the drum side bottom surface of dynamometer machine rotary drum under the action of connecting rod.
Four centering motors include left front centering motor, left back centering motor, it is right before centering motor behind centering motor and the right side,
Left front centering motor, left back centering motor, it is right before behind centering motor and the right side centering motor pass through connecting rod and corresponding watt respectively
The transmission connection of shape tooling.
It further, further include power unit, power unit uses three-phase five-wire mode power supply, the voltage of A, B, C line is drawn
Enter the end of incoming cables that three-phase is spaced apart QF01, the leading-out terminal of QF01 is respectively connected to the end of incoming cables of three-phase ac contactor KM1~KM8.
Further, described three-phase ac contactor KM1, KM2, KM3 and KM4 control left front centering motor, left back respectively
Centering motor rotates forward behind centering motor, the right side before centering motor, the right side and tiles tooling compatible with corresponding centering motor is done and stretched
Movement；
Described three-phase ac contactor KM5, KM6, KM7 and KM8 control respectively left front centering motor, left back centering motor,
Centering motor rotates forward behind centering motor, the right side before the right side and tiles tooling compatible with corresponding centering motor does lower contracting movement.
Further, the left front centering motor, left back centering motor, it is right before behind centering motor and the right side centering motor connect
Line end is respectively connected to the leading-out terminal of fuser motor Q1~Q4,
The leading-out terminal of the terminals access fuser motor Q1 of left front centering motor, the end of incoming cables of fuser motor Q1
The leading-out terminal for accessing three-phase ac contactor KM1 and KM5, realizes the power supply commutation of left front centering motor；
The leading-out terminal of the terminals access fuser motor Q2 of left back centering motor, the end of incoming cables of fuser motor Q2
The leading-out terminal for accessing three-phase ac contactor KM2 and KM6, realizes the power supply commutation of left back centering motor；
The leading-out terminal of the terminals access fuser motor Q3 of centering motor, the end of incoming cables of fuser motor Q3 before the right side
The leading-out terminal of three-phase ac contactor KM3 and KM7 are accessed, realizes the power supply commutation of centering motor before the right side；
The leading-out terminal of the terminals access fuser motor Q4 of centering motor, the end of incoming cables of fuser motor Q4 behind the right side
The leading-out terminal of three-phase ac contactor KM4 and KM8 are accessed, realizes the power supply commutation of centering motor behind the right side.
Further, the power unit further includes intermediate relay K1~K8, the normally opened touching of intermediate relay K1~K8
The leading-out terminal L1 of the end of incoming cables access QF01 of point, the leading-out terminal of the normally opened contact of intermediate relay K1~K8 are respectively connected to three intersections
The end A1 of contactor KM1~KM8 coil is flowed, the A2 of KM1~KM8 coil is terminated into the pole zero curve N.
Further, 8 are provided at left and right sides of dynamometer machine rotary drum edge close to switch, in which:
4 are symmetricly set on the left and right sides of dynamometer machine rotary drum top edge close to switch, to confirm left front tiles tooling,
Left back tiles tooling, it is right before behind tiles tooling and the right side tiles tooling whether run to top dead centre；
4 are symmetricly set on the left and right sides of dynamometer machine rotary drum lower edge close to switch, to confirm left front tiles tooling,
Left back tiles tooling, it is right before behind tiles tooling and the right side tiles tooling whether run to lower dead center.
Further, 8 of dynamometer machine rotary drum edge include: close to switch
Lower-left stop is close to switch K11 and K12, and wherein K11 provides left front centering motor bottom dead center position response signal,
K12 provides left back centering motor bottom dead center position response signal；
Bottom right stop is close to switch K13 and K14, and wherein K13 provides centering motor bottom dead center position response signal before the right side,
K14 provides centering motor bottom dead center position response signal behind the right side；
Upper left stop is close to switch K15 and K16, and wherein K15 provides left front centering motor top dead center position response signal,
K16 provides left back centering motor top dead center position response signal；
Upper right stop is close to switch K17 and K18, and wherein K17 provides centering motor top dead center position response signal before the right side,
K18 provides centering motor top dead center position response signal behind the right side.
It further, further include 4 point touching type button SB1~SB4, point touching type button SB1, SB2, SB3, SB4 are ordered respectively
Name button UP, button DOWN, button MAX, button MIN, wherein；
Button UP correspond to left front centering motor, left back centering motor, it is right before behind centering motor and the right side centering motor rotate forward；
Button DOWN correspond to left front centering motor, left back centering motor, it is right before centering motor reversal behind centering motor and the right side；
Button MAX correspond to left front centering motor, left back centering motor, it is right before behind centering motor and the right side centering motor continue just
Turn, until chassis dynamometer centralising device is run to top dead centre, 4 centering motors are out of service, when chassis dynamometer centering fills
When setting in top dead centre, clicks button UP or button MAX, 4 centering motors do not start；
Button MIN correspond to left front centering motor, left back centering motor, it is right before behind centering motor and the right side centering motor continue instead
Turn, until chassis dynamometer centralising device is run to lower dead center, 4 centering motors are out of service, when chassis dynamometer centering fills
When setting in lower dead center, clicks button DOWN or button MIN, 4 centering motors do not start.
The purpose of the present invention also provides a kind of application method of chassis dynamometer centralising device, includes the following steps:
A, the wheel at tested vehicle driving end is placed on dynamometer machine rotary drum, after checking that power supply is normal, QF01 is closed a floodgate and is supplied
Electricity；
B, by clicking button UP or button MAX, so that chassis dynamometer centralising device is placed on the wheel on rotary drum and pushes away
To rotary drum center of top, then the traction of headstock tailstock bandage, is fixed on by the fixed wheel being not on rotary drum after fixing
It ties up in car column；
C, after the completion of vehicle is fixed, button DOWN or button MIN is clicked, chassis dynamometer centralising device is run to lower and stops
Point position, then fixed vehicle preparation is completed before testing.
Pass through before vehicle test the beneficial effects of the present invention are: the present invention provides a kind of chassis dynamometer centralising device
Wheel quickly can be placed in rotary drum top by centralising device, without leading to asking for intricate operation due to wheel adjusts repeatedly and ties up vehicle
Topic greatly improves the efficiency of Preparatory work of experiment work, and is conducive to improve the accuracy and safety of experiment.
Detailed description of the invention
Fig. 1 is the floor map on front side of dynamometer machine rotary drum of the present invention.
Fig. 2 is the floor map that the left front centering motor of the present invention is connect with tiles tooling.
Fig. 3 is the circuit diagram of left front centering motor and left back centering motor of the present invention.
Fig. 4 is the circuit diagram of centering motor and centering motor behind the right side before the right side of the present invention.
Fig. 5 is the circuit diagram of power unit of the present invention.
Fig. 6 is the circuit diagram of intermediate relay K1~K8 of the present invention.
Fig. 7 is circuit diagram of the present invention close to switch K11~K18.
Fig. 8 is the circuit diagram of present invention point touching type button SB1~SB4.
Fig. 9 is the circuit diagram of PLC of the present invention power supply.
Wherein: 1, dynamometer machine rotary drum, 4, connecting rod, 5, tiles tooling, 21, left front centering motor, 22, left back centering electricity
Machine, 31, it is right before centering motor, 32, it is right after centering motor.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Examples of the embodiments are shown in the accompanying drawings, and in which the same or similar labels are throughly indicated identical or classes
As element or element with the same or similar functions.The embodiments described below with reference to the accompanying drawings are exemplary, purport
It is being used to explain the present invention, and is being not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on the figure or
Positional relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must
There must be specific orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected；It can be directly connected, can also can be in two elements indirectly connected through an intermediary
The interaction relationship of the connection in portion or two elements.It for the ordinary skill in the art, can be according to specific feelings
Condition understands the concrete meaning of above-mentioned term in the present invention.
A kind of chassis dynamometer centralising device as shown in Figures 1 to 9, including 1, four centering motor of dynamometer machine rotary drum,
Four connecting rods 4 and four tiles toolings 5, in which:
Four tiles toolings 5 are symmetrically assemblied in the drum side bottom surface of dynamometer machine rotary drum 1, and four tiles toolings 5 pass through connecting rod 4
It is connect respectively with four centering motor drives；
When centering motor rotate forward when, tiles tooling 5 extended under the action of connecting rod 4 upside of dynamometer machine rotary drum 1 and
It is covered in face of drum surface；
When centering motor reversal, tiles tooling 5 retracts the drum side bottom surface of dynamometer machine rotary drum 1 under the action of connecting rod 4.
In the present embodiment, multiple centering motors include centering electricity before left front centering motor 21, left back centering motor 22, the right side
Centering motor 32 can not indicate on Fig. 1 since Fig. 1 is the floor map on front side of dynamometer machine rotary drum after machine 31 and the right side
The omission of centering motor is not shown behind centralising device on rear side of dynamometer machine rotary drum, i.e., left back centering motor and the right side, but dynamometer machine turns
The centralising device of drum rear side is identical as the structure of centralising device on front side of dynamometer machine rotary drum, can refer to pair on front side of dynamometer machine rotary drum
Middle device, only front-rear position is different；
Left front centering motor 21, left back centering motor 22, it is right before behind centering motor 31 and the right side centering motor 32 pass through respectively
Connecting rod 4 is sequentially connected with corresponding tiles tooling 5, and left front centering motor 21 as shown in Figure 2 passes through connecting rod 4 and tiles tooling
5 transmission connections, due to the connection of centering motor 32 and tiles tooling 5 behind centering motor 31 before left back centering motor 22, the right side and the right side
It is identical, thus left back centering motor 22, it is right before behind centering motor 31 and the right side connection of centering motor 32 and tiles tooling 5 omit not
It shows；When 4 centering motors rotate forward, multiple tiles toolings 5 extend to the upper of dynamometer machine rotary drum 1 under the action of connecting rod 4
It side and is covered in face of drum surface；When 4 centering motor reversals, four tiles toolings 5 retract survey under the action of connecting rod 4
The drum side bottom surface of function machine rotary drum 1.
It in the present embodiment, further include power unit, power unit uses AC380V three-phase five-wire mode power supply, by A, B, C
The voltage of line introduces the end of incoming cables that three-phase is spaced apart QF01 (32A), the leading-out terminal of QF01 be respectively connected to three-phase ac contactor KM1~
The end of incoming cables of KM8 (25A), physical circuit principle are as follows:
As shown in figure 3, three-phase ac contactor KM1, KM2, KM3 and KM4 control left front centering motor 21, left back right respectively
Centering motor 32 rotates forward behind centering motor 31, the right side before middle motor 22, the right side and tiles tooling 5 compatible with corresponding centering motor is done
Stretching routine；
As shown in figure 4, three-phase ac contactor KM5, KM6, KM7 and KM8 control left front centering motor 21, left back right respectively
Centering motor 32 rotates forward behind centering motor 31, the right side before middle motor 22, the right side and tiles tooling 5 compatible with corresponding centering motor is done
Lower contracting movement.
In the present embodiment, left front centering motor 21, left back centering motor 22, it is right before centering electricity behind centering motor 31 and the right side
The terminals of machine 32 are respectively connected to the leading-out terminal of fuser motor Q1~Q4 (AC380V/0~2.5A), fuser motor Q1
~Q4 is adjusted to 1.6A (four centering rated current of motor are 1.6A), and physical circuit principle is as follows:
As shown in figure 3, the leading-out terminal of the terminals access fuser motor Q1 of left front centering motor 21, motor open circuit
The leading-out terminal of end of incoming cables access the three-phase ac contactor KM1 and KM5 of device Q1, realize the power supply commutation of left front centering motor 21；
The leading-out terminal of the terminals access fuser motor Q2 of left back centering motor 22, the end of incoming cables access three of fuser motor Q2
The leading-out terminal of phase A.C. contactor KM2 and KM6, realize the power supply commutation of left back centering motor 22；
As shown in figure 4, the terminals of centering motor 31 access the leading-out terminal of fuser motor Q3, motor open circuit before the right side
The leading-out terminal of end of incoming cables access the three-phase ac contactor KM3 and KM7 of device Q3, realize the power supply commutation of centering motor 31 before the right side；
The leading-out terminal of the terminals access fuser motor Q4 of centering motor 32, the end of incoming cables access three of fuser motor Q4 behind the right side
The leading-out terminal of phase A.C. contactor KM4 and KM8 realize the power supply commutation of centering motor 32 behind the right side.
In the present embodiment, power unit further includes intermediate relay K1~K8 (DC24V/10A), as shown in figure 5, intermediate
The leading-out terminal L1 of the end of incoming cables access QF01 of the normally opened contact of relay K1~K8, the normally opened contact of intermediate relay K1~K8
Leading-out terminal is respectively connected to the end A1 of three-phase ac contactor KM1~KM8 coil, and the A2 of KM1~KM8 coil is terminated into the pole zero curve N,
As shown in fig. 6, the coil electrode of intermediate relay K1~K8 is respectively connected to DO0.0~DO0.7 of 314C-2PN/DP, K1~K8
Coil cathode access DC24V-.
In the present embodiment, as shown in figure 9, zero curve N and QF01 leading-out terminal L3 access regulated power supply AL1 (DC24V/10A)
Input terminal, the output head anode of AL1 is introduced into DC24V+ terminal block, cathode introduces DC24V- terminal block, AL1 is for PLC confession
Electricity, PLC use the host of Siemens S7-300 series 314C-2PN/DP, carry 24DI/16DO On-off signal, output contact,
The M connection jaws of the L connection jaws of DC24V+ access 314C-2PN/DP, DC24V- access 314C-2PN/DP are powered PLC；
In the present embodiment, 8 are provided at left and right sides of 1 edge of dynamometer machine rotary drum close to switch, in which:
4 are symmetricly set on the left and right sides of 1 top edge of dynamometer machine rotary drum close to switch, to confirm multiple tiles toolings
Whether 5 run to top dead centre；
4 are symmetricly set on the left and right sides of 1 lower edge of dynamometer machine rotary drum close to switch, to confirm multiple tiles toolings
Whether 5 run to lower dead center.
In the present embodiment, 8 of dynamometer machine rotary drum edge 1 include: close to switch
Lower-left stop is close to switch K11 and K12, and wherein K11 provides left front 21 bottom dead center position response signal of centering motor,
K12 provides left back 22 bottom dead center position response signal of centering motor；
Bottom right stop is close to switch K13 and K14, and wherein K13 provides 31 bottom dead center position response signal of centering motor before the right side,
K14 provides 32 bottom dead center position response signal of centering motor behind the right side；
Upper left stop is close to switch K15 and K16, and wherein K15 provides left front 21 top dead center position response signal of centering motor,
K16 provides left back 22 top dead center position response signal of centering motor；
Upper right stop is close to switch K17 and K18, and wherein K17 provides 31 top dead center position response signal of centering motor before the right side,
K18 provides 32 top dead center position response signal of centering motor behind the right side；
In addition, as shown in fig. 7, close to one end of switch K11~K18 be respectively connected to the DI0.0 of 314C-2PN/DP~
The other end of DI0.7, K11~K18 access DC24V+, and are all made of the passive output letter of normally opened contact close to switch K11~K18
Number.
In the present embodiment, as shown in figure 8, further including 4 point touching type button SB1~SB4, point touching type button SB1, SB2,
SB3, SB4 name button UP, button DOWN, button MAX, button MIN respectively, wherein；
Button UP correspond to left front centering motor 21, left back centering motor 22, it is right before centering motor behind centering motor 31 and the right side
32 rotate forward；
Button DOWN correspond to left front centering motor 21, left back centering motor 22, it is right before centering electricity behind centering motor 31 and the right side
Machine 32 inverts；
Button MAX correspond to left front centering motor 21, left back centering motor 22, it is right before centering motor behind centering motor 31 and the right side
32 lasting rotating forwards, until chassis dynamometer centralising device is run to top dead centre, 4 centering motors are out of service, work as Chassis dynamometer
When machine centralising device is located at top dead centre, clicks button UP or button MAX, 4 centering motors do not start；
Button MIN correspond to left front centering motor 21, left back centering motor 22, it is right before centering motor behind centering motor 31 and the right side
32 lasting reversions, until chassis dynamometer centralising device is run to lower dead center, 4 centering motors are out of service, work as Chassis dynamometer
When machine centralising device is located at lower dead center, clicks button DOWN or button MIN, 4 centering motors do not start.
A kind of application method of chassis dynamometer centralising device, includes the following steps:
A, the wheel at tested vehicle driving end is placed on dynamometer machine rotary drum 1, after checking that power supply is normal, QF01 is closed a floodgate and is supplied
Electricity；
B, by clicking button UP or button MAX, so that chassis dynamometer centralising device is placed on the wheel on rotary drum and pushes away
To rotary drum center of top, then the traction of headstock tailstock bandage, is fixed on by the fixed wheel being not on rotary drum after fixing
It ties up in car column；
C, after the completion of vehicle is fixed, button DOWN or button MIN is clicked, chassis dynamometer centralising device is run to lower and stops
Point position, then fixed vehicle preparation is completed before testing.
Pass through before vehicle test the beneficial effects of the present invention are: the present invention provides a kind of chassis dynamometer centralising device
Wheel quickly can be placed in rotary drum top by centralising device, without leading to asking for intricate operation due to wheel adjusts repeatedly and ties up vehicle
Topic greatly improves the efficiency of Preparatory work of experiment work, and is conducive to improve the accuracy and safety of experiment.
These are only the preferred embodiment of the present invention, is not intended to restrict the invention, for those skilled in the art
For member, the invention may be variously modified and varied.All within the spirits and principles of the present invention, it is made it is any modification,
Equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of chassis dynamometer centralising device, it is characterised in that: including dynamometer machine rotary drum, four centering motors, four connections
Bar and four tiles toolings, in which:
Four tiles toolings are symmetricly set on the drum side bottom surface of the dynamometer machine rotary drum, and four tiles toolings are distinguished by connecting rod
It is connect with four centering motor drives；
When centering motor rotates forward, tiles tooling extends to the upside of dynamometer machine rotary drum under the action of connecting rod and in face of drum surface
It is covered；
When centering motor reversal, tiles tooling retracts the drum side bottom surface of dynamometer machine rotary drum under the action of connecting rod.
2. a kind of chassis dynamometer centralising device according to claim 1, it is characterised in that:
Four centering motors include left front centering motor, left back centering motor, it is right before centering motor behind centering motor and the right side, it is left front
Centering motor, left back centering motor, it is right before behind centering motor and the right side centering motor pass through connecting rod and corresponding tiles work respectively
Dress transmission connection.
3. a kind of chassis dynamometer centralising device according to claim 1, it is characterised in that: it further include power unit, electricity
Source part uses three-phase five-wire mode power supply, and the voltage of A, B, C line is introduced the end of incoming cables that three-phase is spaced apart QF01, the leading-out terminal of QF01
It is respectively connected to the end of incoming cables of three-phase ac contactor KM1~KM8.
4. a kind of chassis dynamometer centralising device according to claim 3, it is characterised in that:
Before described three-phase ac contactor KM1, KM2, KM3 and KM4 control left front centering motor, left back centering motor, the right side respectively
Centering motor rotates forward behind centering motor, the right side and tiles tooling compatible with corresponding centering motor does stretching routine；
Before described three-phase ac contactor KM5, KM6, KM7 and KM8 control left front centering motor, left back centering motor, the right side respectively
Centering motor rotates forward behind centering motor, the right side and tiles tooling compatible with corresponding centering motor does lower contracting movement.
5. a kind of chassis dynamometer centralising device according to claim 4, it is characterised in that: the left front centering motor,
Left back centering motor, it is right before behind centering motor and the right side terminals of centering motor be respectively connected to going out for fuser motor Q1~Q4
Line end,
The leading-out terminal of the terminals access fuser motor Q1 of left front centering motor, the end of incoming cables access of fuser motor Q1
The leading-out terminal of three-phase ac contactor KM1 and KM5 realize the power supply commutation of left front centering motor；
The leading-out terminal of the terminals access fuser motor Q2 of left back centering motor, the end of incoming cables access of fuser motor Q2
The leading-out terminal of three-phase ac contactor KM2 and KM6 realize the power supply commutation of left back centering motor；
The leading-out terminal of the terminals access fuser motor Q3 of centering motor, the end of incoming cables access of fuser motor Q3 before the right side
The leading-out terminal of three-phase ac contactor KM3 and KM7 realize the power supply commutation of centering motor before the right side；
The leading-out terminal of the terminals access fuser motor Q4 of centering motor, the end of incoming cables access of fuser motor Q4 behind the right side
The leading-out terminal of three-phase ac contactor KM4 and KM8 realize the power supply commutation of centering motor behind the right side.
6. a kind of chassis dynamometer centralising device according to claim 3, it is characterised in that: the power unit further includes
Intermediate relay K1~K8, the leading-out terminal L1 of the end of incoming cables access QF01 of the normally opened contact of intermediate relay K1~K8, it is intermediate after
The leading-out terminal of the normally opened contact of electric appliance K1~K8 is respectively connected to the end A1 of three-phase ac contactor KM1~KM8 coil, KM1~KM8
The A2 of coil is terminated into the pole zero curve N.
7. a kind of chassis dynamometer centralising device according to claim 1, it is characterised in that: dynamometer machine rotary drum edge
The left and right sides be provided with 8 close to switch, in which:
4 are symmetricly set on the left and right sides of dynamometer machine rotary drum top edge close to switch, whether to confirm four tiles toolings
It runs to top dead centre；
4 are symmetricly set on the left and right sides of dynamometer machine rotary drum lower edge close to switch, whether to confirm four tiles toolings
It runs to lower dead center.
8. a kind of chassis dynamometer centralising device according to claim 1, it is characterised in that: dynamometer machine rotary drum edge
8 close to switch include:
Lower-left stop is close to switch K11 and K12, and wherein K11 provides left front centering motor bottom dead center position response signal, and K12 is mentioned
For left back centering motor bottom dead center position response signal；
Bottom right stop is close to switch K13 and K14, and wherein K13 provides centering motor bottom dead center position response signal before the right side, and K14 is mentioned
For centering motor bottom dead center position response signal behind the right side；
Upper left stop is close to switch K15 and K16, and wherein K15 provides left front centering motor top dead center position response signal, and K16 is mentioned
For left back centering motor top dead center position response signal；
Upper right stop is close to switch K17 and K18, and wherein K17 provides centering motor top dead center position response signal before the right side, and K18 is mentioned
For centering motor top dead center position response signal behind the right side.
9. a kind of chassis dynamometer centralising device according to claim 1, it is characterised in that: further include 4 point touching types by
Button SB1~SB4, point touching type button SB1, SB2, SB3, SB4 name button UP, button DOWN, button MAX, button MIN respectively,
Wherein；
Button UP correspond to left front centering motor, left back centering motor, it is right before behind centering motor and the right side centering motor rotate forward；
Button DOWN correspond to left front centering motor, left back centering motor, it is right before centering motor reversal behind centering motor and the right side；
Button MAX correspond to left front centering motor, left back centering motor, it is right before behind centering motor and the right side centering motor persistently rotate forward,
Until chassis dynamometer centralising device is run to top dead centre, 4 centering motors are out of service, when chassis dynamometer centralising device position
When top dead centre, clicks button UP or button MAX, 4 centering motors do not start；
Button MIN correspond to left front centering motor, left back centering motor, it is right before behind centering motor and the right side centering motor persistently invert,
Until chassis dynamometer centralising device is run to lower dead center, 4 centering motors are out of service, when chassis dynamometer centralising device position
When lower dead center, clicks button DOWN or button MIN, 4 centering motors do not start.
10. according to claim 1 to a kind of application method of chassis dynamometer centralising device described in 9 any one, feature
It is: includes the following steps:
A, the wheel at tested vehicle driving end is placed on dynamometer machine rotary drum, after checking that power supply is normal, QF01 is closed a floodgate and is powered；
B, by clicking button UP or button MAX, so that chassis dynamometer centralising device is placed on the wheel on rotary drum and is pushed into turn
Drum center of top, then the traction of headstock tailstock bandage, is fixed on after fixing and ties up vehicle by the fixed wheel being not on rotary drum
On column；
C, after the completion of vehicle is fixed, button DOWN or button MIN is clicked, runs chassis dynamometer centralising device to lower dead center position
It sets, then fixed vehicle preparation is completed before testing.
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| CN201910294170.8A CN109900400A (en) | 2019-04-12 | 2019-04-12 | A kind of chassis dynamometer centralising device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114354208A (en) * | 2021-11-30 | 2022-04-15 | 郑州日产汽车有限公司 | Automatic centering system and automatic centering method for chassis dynamometer |
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| CN114354208A (en) * | 2021-11-30 | 2022-04-15 | 郑州日产汽车有限公司 | Automatic centering system and automatic centering method for chassis dynamometer |
| CN114354208B (en) * | 2021-11-30 | 2023-10-27 | 郑州日产汽车有限公司 | Automatic centering system and automatic centering method for chassis dynamometer |
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