CN104568453B - A kind of engine pedestal automatically adjusts centralising device - Google Patents
A kind of engine pedestal automatically adjusts centralising device Download PDFInfo
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- CN104568453B CN104568453B CN201510028428.1A CN201510028428A CN104568453B CN 104568453 B CN104568453 B CN 104568453B CN 201510028428 A CN201510028428 A CN 201510028428A CN 104568453 B CN104568453 B CN 104568453B
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- screw rod
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- stepper motor
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Abstract
A kind of engine pedestal automatically adjusts centralising device, is related to Engine Block Test technical field, and its master is characterised by：Displacement transducer measures the relative displacement of the end face and circumference of engine flywheel, input to ECU analyzing and processing, ECU sends electric impulse signal to the stepper motor one and stepper motor two in motor support again, the angular displacement of stepper motor is converted into the angular displacement of screw rod, screw rod location-plate defines axial displacement of the screw rod along itself, the angular displacement that final screw rod is rotated changes into the displacement of support seat cover and support leg, so as to realize the adjustment of engine pedestal automatic centering.Compared with existing stand, can save manpower and time, it is cost-effective, the service efficiency of stand is improved, extend the service life of stand.
Description
Technical field
The present invention relates to Engine Block Test technical field, more particularly to a kind of engine pedestal centralising device.
Background technology
When bench test is carried out, the flywheel of engine need to be connected with dynamometer machine ring flange, in order to ensure to be set during experiment
Standby safety, it is desirable to which the bent axle of engine crankshaft and dynamometer machine has axiality very high, less than 0.2mm.At present, experiment is advanced
During row stand centering, the method for often tapping motor support using instruments such as hammer, copper rods carries out centering adjustment, with up to stand
The purpose of centering.But, in whole process, the adjustment amount of motor support is uncontrolled, needs to adjust repeatedly, measures, adjusts again
Whole, process is very cumbersome, causes threst stand centering efficiency low, it is necessary to take a substantial amount of time, and accounts for total engine
The significant proportion of experimental period, directly affects the running rate of testing equipment.And irreversible damage can be caused to rack bracket
Wound, reduces service life.
Therefore, how to provide and a kind of cause engine accurate centering fast automatic with dynamometer machine and lossless to rack bracket
Bad engine pedestal, as those skilled in the art's letter problem to be solved.
Utility model content
The invention solves the problems that technical problem above, there is provided one kind enables to engine quick and precisely automatic with dynamometer machine
Adjust the engine bed rack device of centering.
In order to solve the above technical problems, technical scheme is as follows：
A kind of engine pedestal automatically adjusts centralising device, including measurement engine flywheel end face displacement displacement sensing
Buzzer that the ECU that device one, the measurement circumferentially displaced displacement transducer two of flywheel are connected with displacement transducer is connected with ECU,
Motor support one, motor support two and motor support three, described each engine support structure are the same, including base
15th, on the chute hole one 5, support leg on support seat cover 2, support leg 9, support seat cover 2 chute hole 2 26, connection chute hole 1 with
The bolt retainer 4 of chute hole 2 26, the engine fixing hole 1 on support seat cover, screw hole one 27, one end and screw hole one
Bevel gear 1 and the bevel gear two of the Vertical Meshing of bevel gear 1 that 27 screw rods 1 for coordinating are connected with the other end of screw rod 1
Sleeve 1 and sleeve 1 that 8 gear shafts 23 being connected with bevel gear two are engaged with the positioning key 13 on gear shaft 23
Connected stepper motor 1, the screw rod location-plate 1 for being welded in the both sides of support leg 9 and the side of screw rod location-plate 1
On the gear shaft 23 that the detent 1 on screw rod 1 being engaged is engaged with the opposite side of screw rod location-plate 1
Detent 3 24, the screw rod location-plate 1 play limitation screw rod 1 and gear shaft 23 axially along respective axial displacement
Effect, screw rod 2 18 and the positioning key at the two ends of screw rod 2 18 that the screw hole 2 11 on support leg 9 is engaged with screw hole two
Stepper motor two, the screw rod two that 13 connected sleeves 2 22 and sleeve 3 12 are connected with sleeve 2 22 or with sleeve 3 12
Screw rod location-plate 2 20 that detent 2 19 on 18 positioned at middle part is connected with detent 2 19, to limit screw rod fixed
Board slot hole 16, the chute hole 3 14 of the both sides of support leg 9 on the base 15 of position plate 2 20, the screw rod location hole 17 on base 15,
And the screw rod fixture 21 being engaged with screw rod location hole 17；It is characterized in that：Support seat cover is by engine fixing hole and hair
Motivation is connected；Displacement transducer one and displacement transducer two on the ring flange loaded on dynamometer machine, turn with measurement of power arbor respectively
It is dynamic；Displacement transducer one measures the axially opposing displacement in engine flywheel side surface, and displacement transducer two measures engine and flies
Relative altitude and relatively radially displacement on wheel disc circumference；Displacement transducer is connected with ECU, institute's displacement sensors one and displacement
The relative displacement that sensor two will be measured is transferred to ECU；Stepper motors one of the ECU with motor support and stepper motor two-phase
Company, the ECU is to Data Analysis Services and produces the impulse wave stepper motor one for being transferred to motor support long for corresponding to displacement
With stepper motor two；Stepper motor one is connected with sleeve one, and sleeve one is connected by positioning key and gear shaft with bevel gear two, bores
Gear two is engaged with bevel gear one, and bevel gear one is connected with the screw rod one, and the screw rod one passes through the spiral shell on the support seat cover
Rod aperture one；There are the detent one, detent two on the screw rod one, the screw rod two and gear shaft respectively and position recessed
Groove three, there is two gap on the screw rod location-plate 1, just match somebody with somebody with the detent 1, the detent 3 24
Close, limit the displacement of the screw rod 1, the gear shaft 23 along own axes, the screw rod location-plate 2 20 and detent
2 19 coordinate, and limit displacement of the screw rod 2 18 along own axes, and there is the positioning key at the two ends of the screw rod two with sleeve two and set
Cylinder three is connected, and transmitting torque, screw rod location-plate one is welded in support leg two ends, and screw rod location-plate two is fixed in board slot hole；Institute
State screw rod one and the support seat cover screw hole one cooperation so that screw rod one is rotated and the support seat cover produces relative displacement, institute
Screw rod two is stated with the support leg screw hole two cooperation so that screw rod two is rotated and the support leg produces relative displacement；Institute
State after stepper motor one, two receives dfisplacement pulse and rotate corresponding angular displacement, the moment of torsion of stepper motor one is by sleeve one, cone
Gear two and bevel gear one pass to the screw rod makes the rotation of screw rod one in the lump, and screw rod one is rotated and drives support seat cover to move up and down,
So as to have adjusted upper-lower height and the inclination angle of engine crankshaft line；Stepper motor two passes through sleeve two or sleeve three and positioning key will
Angular displacement passes to screw rod two, and the screw rod two is rotated and promotes support leg that relative position is produced along the axis direction of the screw rod
Move, so as to have adjusted the horizontal displacement of engine crankshaft.
The bolt positioning hole of the motor support one and the motor support two is on the same line；This straight line exists
In the parallel plane of dynamometer machine end face；After often having adjusted displacement, displacement transducer one and displacement transducer two measure hair again
The relative displacement of motivation flywheel, exports and gives ECU analyzing and processing, if meet required, then the ECU is not to the stepping
Motor one and stepper motor two signal, and send signal to the buzzer, and buzzer sounds prompt tone, and staff can
The bolt retainer and the screw rod fixture are tightened locked, centering work completion；If the relative shift of flywheel
It is not reaching to require, then just repeat centering process above again.
The advantage of the more existing stand of the present invention：Centering process need not artificially adjust motor support, convenient and swift, section
Save labor costs, protect motor support, extend the service life of stand, improve the utilization rate of stand.
Brief description of the drawings
Fig. 1 is shown as a kind of motor support for automatically adjusting centralising device of engine pedestal of the present invention (without step
Stepper motor) structural representation.
Fig. 2 is shown as a kind of course of work schematic diagram for automatically adjusting centralising device of engine pedestal of the present invention.
Fig. 3 is shown as the bevel gear one and bevel gear two that automatically adjust centralising device of a kind of engine pedestal of the present invention
The structural representation of cooperation.
Fig. 4 is shown as a kind of structural representation of the screw rod one for automatically adjusting centralising device of engine pedestal of the present invention
Figure.
Fig. 5 shows a kind of structural representation of the screw rod two for automatically adjusting centralising device of engine pedestal of the present invention.
Fig. 6 shows a kind of structural representation of the gear shaft for automatically adjusting centralising device of engine pedestal of the present invention.
Fig. 7 shows a kind of main view of the screw rod location-plate one for automatically adjusting centralising device of engine pedestal of the present invention
Figure.
Fig. 8 shows a kind of vertical view of the screw rod location-plate one for automatically adjusting centralising device of engine pedestal of the present invention
Figure.
Fig. 9 shows a kind of main view of the screw rod location-plate two for automatically adjusting centralising device of engine pedestal of the present invention
Figure.
Figure 10 shows a kind of structural representation of the base plate for automatically adjusting centralising device of engine pedestal of the present invention.
Figure 11 shows a kind of relative position of the motor support for automatically adjusting centralising device of engine pedestal of the present invention
Put schematic diagram.
Specific embodiment
With reference to example figure, the present invention will be further described：
A kind of centralising device that automatically adjusts of engine pedestal of the present invention includes 1, engine fixing hole；2nd, support seat cover；3、
Screw rod one；4th, bolt retainer；5th, chute hole one；6th, detent one；7th, bevel gear one；8th, bevel gear two；9th, support leg；
10th, sleeve one；11st, screw hole two；12nd, sleeve three；13rd, positioning key；14th, chute hole three；15th, base；16th, board slot hole；17th, spiral shell
Bar location hole；18th, screw rod two；19th, detent two；20th, screw rod location-plate two；21st, screw rod fixture；22nd, sleeve two；23、
Gear shaft；24th, detent three；25th, screw rod location-plate one；26th, chute hole two；27th, screw hole one；28th, stepper motor one；
29th, stepper motor two；30th, displacement transducer one；31st, displacement transducer two；32、ECU；33rd, buzzer；34th, motor support
One；35th, motor support two；36th, motor support three.
The screw rod fixture 21 of the motor support 34,35,36 is fixed in screw rod location hole 17；Then starting
Machine is placed in the motor support 34,35,36；In terms of from engine flywheel end to free end, the motor support 1 is
The left support of engine, the motor support 2 35 is the right support of engine, and the motor support 3 36 is engine
Free end supports.
The bolt retainer 4 and the screw rod fixture 21 were all relaxed state, screw rod 1 before being adjusted in
Can be respectively rotation in the case where stepper motor 1 and stepper motor 2 29 are acted on screw rod 2 18.
The angular displacement that stepper motor 1 and stepper motor 2 29 are turned under each pulse signal is certain, spiral shell
It is certain relative to the displacement of the screw hole 27 and screw hole 11 when bar 1 and screw rod 2 18 turn over a circle.
Displacement transducer 1 and displacement transducer 2 31 are fixed on the ring flange of dynamometer machine, with the rotating shaft of dynamometer machine
Rotate together, institute's displacement sensors 1 can measure 12 o'clock, 6 o'clock, 9 o'clock, the 3 o'clock sides of engine flywheel end face
To four points relative axis displacement, institute's displacement sensors 2 31 can measure on periphery of flywheel 12 o'clock, 6 o'clock, 9 points
The relatively radially displacement of clock, four points in 3 o'clock direction.
Be input into for the relative displacement signal of engine flywheel by institute's displacement sensors 1 and institute's displacement sensors 2 31
To ECU32, the electric impulse signal that horizontal radial displacement signal is first analyzed and processed and changed into by ECU32 is exported to engine respectively
Angular displacement is passed through the (stepper motor of the sleeve 2 22 by the stepper motor 2 29 of support 34,35,36, the stepper motor 2 29
Two are connected with the middle sleeve 3 12 of motor support 2 35) pass to the screw rod 2 18 and change into corresponding angular displacement；The spiral shell
Bar location-plate 2 20 is inserted into board slot hole 16, is coordinated with detent 2 19, limit the screw rod 2 18 along own axes position
Move, the screw rod 2 18 coordinates with the screw hole 2 11, have screw thread, the rotation of the screw rod 2 18 in screw hole (11,27)
The horizontal radial displacement of support leg 9 is changed into, so as to adjust the horizontal displacement of the parallel end faces of engine flywheel.
Then the vertical radial displacement of end face is exported give engine branch again by the ECU respectively in the form of electric impulse signal
Angular displacement is passed through the sleeve 1, positioning key 13, tooth by the stepper motor 1 of support 34,35,36, the stepper motor 1
Wheel shaft 23, bevel gear 28, bevel gear 1 are transformed into the angular displacement of screw rod 1, the both ends horizontal of screw rod fixed plate 1 weldering
It is connected on support leg 9, the vertical displacement of screw rod 1 of the side of screw rod fixed plate 1 and the associated retainer of detent 1；
Opposite side is connected with detent 3 23；The screw rod 1 matches with the screw hole 1, by the angle position of the screw rod 1
The vertical displacement of transfer chemical conversion support seat cover, so as to adjust the vertical displacement of engine flywheel end face.
Finally, the ECU32 by the displacement signal at 12 o'clock of end face and 6 o'clock change into electric impulse signal pass to it is described
Stepper motor 1, the stepper motor one is rotated and drives the screw rod 1 to rotate, and the screw rod 1 is rotated and causes the branch
Flap 2 is moved up and down, so that the end face for adjusting engine flywheel is parallel with dynamometer machine end face.
After the completion of adjustment, institute's displacement sensors 1 and institute's displacement sensors 2 31 measure engine flywheel again
Relative displacement inputs to ECU32, is analyzed by ECU32, if meeting accuracy of alignment requirement, then the ECU32 is to buzzer
33 send signal, and then the bolt retainer 4 and screw rod fixture 21 are tightened lock by the prompt tone for producing centering to adjust
Extremely；If being unsatisfactory for accuracy of alignment requirement, then repeat the process of above-mentioned centering again.
What the present invention was mainly to provide a kind of engine pedestal automatically adjusts centralising device, and artificial centering is participated in reduce
Process, strengthens the Practical Performance of centralising device, saves human cost and time, high precision, improves the utilization rate of stand, extends platform
The service life of frame.In the case of without departing substantially from essence of the invention, can be by the knot for automatically adjusting centralising device of engine pedestal
Structure is arranged and size does corresponding change, but these corresponding changes should all belong to claims belonging to the present invention it
It is interior.
Claims (5)
1. a kind of engine pedestal automatically adjusts centralising device, including measurement engine flywheel end face displacement displacement transducer
First, the circumferentially displaced displacement transducer two of measurement flywheel is connected with displacement transducer one (30) and displacement transducer two (31)
Buzzer, motor support one, motor support two and motor support three that ECU is connected with ECU, described each engine
Supporting construction is the same, including the chute hole one (5), support leg on base (15), support seat cover (2), support leg (9), support seat cover (2)
On chute hole two (26), the bolt retainer (4) of connection chute hole one (5) and chute hole two (26), on support seat cover
The screw rod one (3) and screw rod one (3) that engine fixing hole (1), screw hole one (27), one end and screw hole one (27) coordinate are another
The gear that the connected bevel gear one (7) in one end is connected with the bevel gear two (8) of the Vertical Meshing of bevel gear one (7) with bevel gear two
The stepping electricity that the sleeve one (10) that axle (23) is engaged with the positioning key (13) on gear shaft (23) is connected with sleeve one (10)
Machine one (28), the screw rod location-plate one (25) for being welded in support leg (9) both sides and the side of the screw rod location-plate one (25) match
The gear shaft (23) that detent one (6) on the screw rod one (3) of conjunction is engaged with the opposite side of the screw rod location-plate one (25)
On detent three (24), the screw rod location-plate one (25) play limitation screw rod one (3) and gear shaft (23) axially along each
From the effect of axial displacement, screw rod two (18) that the screw hole two (11) on support leg (9) is engaged with screw hole two (11),
The sleeve two (22) and sleeve three (12) and sleeve two (22) or and sleeve being connected with the positioning key (13) at the two ends of screw rod two (18)
The detent two (19) of middle part is located on three (12) connected stepper motors two, the screw rod two (18) and is positioned recessed
The connected screw rod location-plate two (20) of groove two (19), the board slot hole (16) limited on the base (15) of screw rod location-plate two (20),
Screw rod location hole (17) on the chute hole three (14) of support leg (9) both sides, base (15) and with screw rod location hole (17) phase
The screw rod fixture (21) of cooperation；It is characterized in that：Support seat cover is connected by the engine fixing hole with engine；Displacement is passed
Sensor one and displacement transducer two on the ring flange loaded on dynamometer machine, are rotated with measurement of power arbor respectively；Displacement transducer one
12 o'clock, 6 o'clock, 9 o'clock, the axially opposing displacement of four points in 3 o'clock direction, displacement are measured in engine flywheel side surface
Sensor two measures on engine flywheel disk circumference four relative altitudes of point in 12 o'clock, 6 o'clock, 9 o'clock, 3 o'clock direction
Relatively radially displacement；Displacement transducer one (30) and displacement transducer two (31) are connected with ECU, and the relative displacement that will be measured is passed
It is defeated by the stepper motor one (28) and the stepper motor two of motor support two (35) of ECU, ECU and motor support one (34)
(29) it is connected, ECU is to Data Analysis Services and produces the impulse wave of correspondence displacement long to be transferred to stepper motor one and stepper motor
Two；Stepper motor one (28) and stepper motor two (29) rotate corresponding angular displacement after receiving dfisplacement pulse；The screw rod two
Through the screw hole two on the support leg, there are the screw thread coordinated with screw rod, the screw rod location-plate two and institute in screw hole
The cooperation of the detent two on screw rod two is stated, the screw rod location-plate two is inserted into the board slot hole, the screw rod is determined
Position plate two positions the screw rod two can only be rotated, and axis does not have displacement；Stepper motor two is rotated and drives the screw rod two to rotate, institute
The rotation of screw rod two is stated to promote to produce relative displacement on axis direction of the support leg along the screw rod two；Stepper motor one and sleeve one
Be connected, sleeve one is connected by positioning key and gear shaft with bevel gear two, and bevel gear two engages with bevel gear one, bevel gear two and
The screw rod one is connected, and the screw rod one passes through the screw hole one on the support seat cover；The moment of torsion of stepper motor one passes through sleeve
First, bevel gear two and bevel gear one pass to the screw rod makes the rotation of screw rod one in the lump, and the screw rod location-plate one limits described
The upper and lower displacement of screw rod one, the screw rod one is rotated and drives the support seat cover to move up and down；Stepping in the motor support two
Motor two is connected with sleeve three；Stepper motor two is connected with sleeve two in motor support one；Stepping electricity in motor support three
Machine two is connected with sleeve two；ECU is also connected with buzzer, and buzzer sends prompt tone when to middle completion.
2. centralising device according to claim 1, it is characterised in that, institute's displacement sensors one (30) and displacement transducer
Two (31) are connected with the ECU (32), the stepper motor one (28) and hair of the ECU (32) and the motor support one (34)
Motivation supports two (35) stepper motor two (29) to be connected, and stepper motor one (28) drives the screw rod one (3) to rotate, stepping electricity
Machine two (29) drives the screw rod two (18) to rotate, and the screw rod one (3) is rotated can make the support seat cover (2) produce relative position
Move, the screw rod two (18) is rotated can make the support leg (9) produce relative displacement.
3. centralising device according to claim 1, it is characterised in that bevel gear two (8) and the engagement of bevel gear one (7) and
Axis is angle in 90 °, is positioned with screw rod location-plate one (25), detent one (6) and detent three (24).
4. centralising device according to claim 1, it is characterised in that the screw rod one (3), the screw rod two (18) and tooth
There are the detent one (6), detent two (19) and detent three (24), the screw rod positioning on wheel shaft (23) respectively
There are two gap on plate one (25), just coordinate with the detent one (6), the detent three (24), limit described
Screw rod one (3), the gear shaft (23) along own axes displacement, the screw rod location-plate two (20) and detent two (19)
Coordinate, limit displacement of the screw rod two (18) along own axes, there are the positioning key (13) and sleeve in the two ends of the screw rod two (18)
Three (12) and sleeve two (22) connect, transmitting torque, screw rod location-plate one (25) is welded in support leg (9) two ends, screw rod positioning
Plate two (20) is fixed in board slot hole (16).
5. centralising device according to claim 1, it is characterised in that the screw rod one (3) and the support seat cover (2) use spiral shell
Rod aperture one (27) coordinate so that screw rod one (3) rotate and the support seat cover (2) produce relative displacement, the screw rod two (18) with
The support leg (9) is coordinated with screw hole two (11) so that screw rod two (18) is rotated and the support leg (9) produces relative position
Move.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510028428.1A CN104568453B (en) | 2015-01-20 | 2015-01-20 | A kind of engine pedestal automatically adjusts centralising device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510028428.1A CN104568453B (en) | 2015-01-20 | 2015-01-20 | A kind of engine pedestal automatically adjusts centralising device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104568453A CN104568453A (en) | 2015-04-29 |
| CN104568453B true CN104568453B (en) | 2017-06-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510028428.1A Expired - Fee Related CN104568453B (en) | 2015-01-20 | 2015-01-20 | A kind of engine pedestal automatically adjusts centralising device |
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| CN (1) | CN104568453B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107782557A (en) * | 2016-08-25 | 2018-03-09 | 广州汽车集团股份有限公司 | A kind of valve motion testing stand |
| CN112033680B (en) * | 2020-08-27 | 2023-01-24 | 潍柴动力股份有限公司 | Thrust plate fault detection method and device and automobile |
| CN115096606B (en) * | 2022-06-28 | 2024-08-27 | 重庆青山工业有限责任公司 | Centering device for bench test of electric drive assembly |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204694472U (en) * | 2015-01-20 | 2015-10-07 | 吉林大学 | A kind of automatic adjustment centralising device of engine pedestal |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080047336A1 (en) * | 2006-08-28 | 2008-02-28 | International Engine Intellectual Property Company, Llc | Engine test cell changeover method |
| KR101274141B1 (en) * | 2007-12-07 | 2013-06-11 | 기아자동차주식회사 | Pressure test apparatus for cylinder head gasket in vehicle engine |
| CN102901633B (en) * | 2012-08-29 | 2015-04-22 | 长城汽车股份有限公司 | Quick centering device for engine pedestal test |
| CN103454098B (en) * | 2013-09-18 | 2015-07-22 | 哈尔滨广瀚新能动力有限公司 | Railway vehicle bogie static load test stand centring device |
| CN203798570U (en) * | 2014-04-23 | 2014-08-27 | 东风汽车股份有限公司 | A quick accurate centering device of engine for bench test |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204694472U (en) * | 2015-01-20 | 2015-10-07 | 吉林大学 | A kind of automatic adjustment centralising device of engine pedestal |
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