CN104568453A - Automatic adjusting centering device of engine pedestal - Google Patents
Automatic adjusting centering device of engine pedestal Download PDFInfo
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- CN104568453A CN104568453A CN201510028428.1A CN201510028428A CN104568453A CN 104568453 A CN104568453 A CN 104568453A CN 201510028428 A CN201510028428 A CN 201510028428A CN 104568453 A CN104568453 A CN 104568453A
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- screw rod
- displacement
- stepper motor
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- engine
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Abstract
The invention relates to an automatic adjusting centering device of an engine pedestal, and relates to the technical field of engine testing. The automatic adjusting centering device is mainly characterized in that relative displacement between the end face and the periphery of an engine flywheel is measured through a displacement sensor and is input into an ECU to be analyzed and processed, the ECU transmits electric pulse signals to a first stepping motor and a second stepping motor on an engine support, angular displacement of the stepping motors are converted into angular displacement of a screw, the screw is limited by a screw positioning plate to move in the axial direction of the screw, finally the screw rotation angular displacement is converted into displacement of a support cover and a support leg, and adjustment on automatic centering of the engine pedestal is accordingly achieved. Compared with an existing pedestal, the manpower and the time can be saved, the cost is saved, the using efficiency of the pedestal is improved, and the service life of the pedestal is prolonged.
Description
Technical field
The present invention relates to Engine Block Test technical field, particularly a kind of engine pedestal centralising device.
Background technology
When carrying out bench test, the flywheel of engine need be connected with dynamometer machine ring flange, during in order to ensure to test, the safety of equipment, requires that the bent axle of engine crankshaft and dynamometer machine has very high right alignment, is less than 0.2mm.At present, when carrying out stand centering before test, the method often using the instrument such as hammer, copper rod to knock motor support carries out centering adjustment, to reach the object of stand centering.But, in whole process, the adjustment amount of motor support is not controlled, need repeatedly to adjust, measure, adjust again, process is very loaded down with trivial details, causes threst stand centering efficiency low, needs the time of at substantial, account for the significant proportion of total engine test time, directly affect the running rate of testing equipment.And irreversible damage can be caused to rack bracket, reduce serviceable life.
Therefore, how to provide a kind of make engine and the fast automatic accurate centering of dynamometer machine and to rack bracket without the engine pedestal damaged, become the problem that those skilled in the art's letter is to be solved.
Summary of the invention
The present invention will solve technical matters above, provides a kind of engine bed rack device that engine and dynamometer machine can be made quick and precisely automatically to regulate centering.
For solving the problems of the technologies described above, technical scheme of the present invention is as follows:
An automatic adjustment centralising device for engine pedestal, comprises the sensor one measuring the displacement of engine flywheel end face, measure the sensor two of flywheel circumference displacement, the ECU be connected with displacement transducer, the hummer be connected with ECU, motor support one, motor support two and motor support three, described each engine support structure is the same, comprises base 15, support seat cover 2, support leg 9, chute hole 1 on support seat cover 2, chute hole 2 26 on support leg, connect the bolt retainer 4 of chute hole 1 and chute hole 2 26, be located at the engine fixed orifice 1 on support seat cover, screw hole 1, the screw rod 1 that one end coordinates with screw hole 1, the bevel gear 1 be connected with the other end, with the bevel gear 28 of bevel gear 1 Vertical Meshing, the gear shaft 23 be connected with bevel gear two, the sleeve 1 matched with the positioning key 13 on gear shaft 23, the stepper motor 1 be connected with sleeve 1, the screw rod location-plate 1 of welding and support leg 9 both sides, detent 1 on the screw rod 1 matched with described screw rod location-plate 1 side, detent 3 24 on the gear shaft 23 matched with described screw rod location-plate 1 opposite side, described screw rod location-plate 1 plays restriction screw rod 1 and the axial effect along respective axial displacement of gear shaft 23, the screw hole 2 11 on support leg 9, the screw rod 2 18 matched with screw hole two, the sleeve 2 22 be connected with the positioning key 13 at screw rod 2 18 two ends and sleeve 3 12, with sleeve 2 22 or the stepper motor one that is connected with sleeve 3 12, described screw rod 2 18 is positioned at the detent 2 19 of middle part, the screw rod location-plate 20 be connected with detent 2 19, limit the board slot hole 16 on the base 15 of screw rod location-plate 20, the chute hole 3 14 of support leg 9 both sides, screw rod pilot hole 17 on base 15, and the screw rod fixture 21 to match with screw rod pilot hole 17, it is characterized in that: bracket cover is connected with engine by engine fixed orifice, displacement transducer one and displacement transducer two are loaded on the ring flange of dynamometer machine respectively, rotate with measurement of power arbor, displacement transducer one records the axial relative displacement on engine flywheel dish end face, and displacement transducer two records engine flywheel dish relative height circumferentially and relative radial displacement, the relative displacement recorded is transferred to ECU by institute's displacement sensors one and sensor two, described ECU to Data Analysis Services and the pulse signal transmission producing corresponding displacement to the stepper motor one of motor support and stepper motor two, described stepper motor one, two rotates corresponding angular displacement after receiving dfisplacement pulse, angular displacement is passed to screw rod one by sleeve one, positioning key, bevel gear one and bevel gear two by stepper motor one, screw rod one rotates and drives support leg to move up and down, thus have adjusted upper-lower height and the inclination angle of engine crankshaft line, angular displacement is passed to screw rod two by sleeve two or sleeve three and positioning key by stepper motor two, and screw rod two rotates and drives support leg to move horizontally, thus have adjusted the horizontal shift of engine crankshaft.
The bolt positioning hole of described motor support one and described motor support two on the same line; This straight line is in the plane that dynamometer machine end face parallels; After often having adjusted displacement, the relative displacement of engine flywheel measured again by displacement transducer one and displacement transducer two, export to described ECU analyzing and processing, if met the demands, so described ECU does not signal to described stepper motor one and stepper motor two, and sends signal to described hummer, and hummer sounds prompt tone, staff just can tighten locked described bolt retainer and described screw rod fixture, and centering has worked; If the relative shift of flywheel does not reach requirement, so just repeat centering process above again.
The advantage of the more existing stand of the present invention: centering process does not need artificially to adjust motor support, convenient and swift, saves human cost, and protection motor support, extends the serviceable life of stand, improves the utilization rate of stand.
Accompanying drawing explanation
Fig. 1 shows motor support (not containing the stepper motor) structural representation of the automatic adjustment centralising device for a kind of engine pedestal of the present invention.
Fig. 2 shows the course of work schematic diagram of the automatic adjustment centralising device for a kind of engine pedestal of the present invention.
Fig. 3 shows the structural representation for the bevel gear one of the automatic adjustment centralising device of a kind of engine pedestal of the present invention and bevel gear two coordinate.
Fig. 4 shows the structural representation of the screw rod one of the automatic adjustment centralising device for a kind of engine pedestal of the present invention.
Fig. 5 shows the structural representation of the screw rod two of the automatic adjustment centralising device of a kind of engine pedestal of the present invention.
Fig. 6 shows the structural representation of the gear shaft of the automatic adjustment centralising device of a kind of engine pedestal of the present invention.
Fig. 7 shows the front view of the screw rod location-plate one of the automatic adjustment centralising device of a kind of engine pedestal of the present invention.
Fig. 8 shows the vertical view of the screw rod location-plate one of the automatic adjustment centralising device of a kind of engine pedestal of the present invention.
Fig. 9 shows the front view of the screw rod location-plate two of the automatic adjustment centralising device of a kind of engine pedestal of the present invention.
Figure 10 shows the structural representation of the base plate of the automatic adjustment centralising device of a kind of engine pedestal of the present invention.
Figure 11 shows the relative position schematic diagram of the motor support of the automatic adjustment centralising device of a kind of engine pedestal of the present invention.
Embodiment
Below in conjunction with example figure, the present invention will be further described:
The automatic adjustment centralising device of a kind of engine pedestal of the present invention comprises 1, engine fixed orifice; 2, support seat cover; 3, screw rod one; 4, bolt retainer; 5, chute hole one; 6, detent one; 7, bevel gear one; 8, bevel gear two; 9, support leg; 10, sleeve one; 11, screw hole two; 12, sleeve three; 13, positioning key; 14, chute hole three; 15, base; 16, board slot hole; 17, screw rod pilot hole; 18, screw rod two; 19, detent two; 20, screw rod location-plate two; 21, screw rod fixture; 22, sleeve two; 23, gear shaft; 24, detent three; 25, screw rod location-plate one; 26, chute hole two; 27, screw hole one; 28, stepper motor one; 29, stepper motor two; 30, displacement transducer one; 31, displacement transducer two; 32, ECU; 33, hummer; 34, motor support one; 35, motor support two; 36, motor support three.
The screw rod fixture 21 of described motor support 34,35,36 is fixed in screw rod pilot hole 17; Then engine is placed in described motor support 34,35,36; From engine flywheel end to free end, described motor support 1 is the left support of engine, and described motor support 2 35 is the right support of engine, and described motor support 3 36 is the support of engine free end.
Described bolt retainer 4 and described screw rod fixture 21 were all relaxed states before centering is adjusted, and screw rod 1 and screw rod 2 18 are rotary respectively under stepper motor 1 and stepper motor 2 29 act on.
The angular displacement that stepper motor 1 and stepper motor 2 29 turn under each pulse signal is certain, when described screw rod 1 and screw rod 2 18 turn over a circle, is certain relative to the displacement of described screw hole 27 and screw hole 11.
Displacement transducer 1 and displacement transducer 2 31 are fixed on the ring flange of dynamometer machine, along with the rotating shaft of dynamometer machine is rotated together, institute's displacement sensors 1 can record the relative axis displacement at 12 o'clock of engine flywheel end face, 6 o'clock, 9 o'clock, 3 o'clock, and institute's displacement sensors 2 31 can record on periphery of flywheel the relative radial displacement at 12 o'clock, 6 o'clock, 9 o'clock, 3 o'clock.
The relative displacement signal of engine flywheel is inputed to ECU32 by institute's displacement sensors 1 and institute's displacement sensors 2 31, ECU32 is first by horizontal radial displacement signal analyzing and processing and the electric impulse signal changed into exports to the stepper motor 2 29 of motor support 34,35,36 respectively, and angular displacement is passed to described screw rod 2 18 by described sleeve 2 22 (in motor support 2 35, stepper motor two is connected with sleeve 3 12) and changes into corresponding angular displacement by described stepper motor 2 29; Described screw rod location-plate 2 20 is inserted in board slot hole 16, coordinate with detent 2 19, limit described screw rod 2 18 along own axes displacement, described screw rod 2 18 coordinates with described screw hole 2 11, screw hole has screw thread in (11,27), the rotation of described screw rod 2 18 changes into the horizontal radial displacement of support leg 9, thus the horizontal shift of the parallel end faces of adjustment engine flywheel.
Then the stepper motor 1 of motor support 34,35,36 is exported in the vertical radial displacement of end face by described ECU more respectively with the form of electric impulse signal, angular displacement is transformed into the angular displacement of screw rod 1 by described stepper motor 1 by described sleeve 1, positioning key 13, gear shaft 23, bevel gear 28, bevel gear 1, described screw rod fixed head 1 both ends horizontal is welded on support leg 9, the displacement that described screw rod fixed head 1 side and detent 1 associated retainer screw rod 1 is vertical; Opposite side is connected with detent 3 23; Described screw rod 1 matches with described screw hole 1, the angular displacement of described screw rod 1 is changed into the vertical displacement of support seat cover, thus the vertical displacement of adjustment engine flywheel end face.
Finally, the displacement signal at 12 o'clock of end face and 6 o'clock is changed into electric impulse signal and passes to described stepper motor 1 by described ECU32, described stepper motor one rotates and drives described screw rod 1 to rotate, described screw rod 1 rotates and described support seat cover 2 is moved up and down, thus the end face of adjustment engine flywheel is parallel with dynamometer machine end face.
After having adjusted, the relative displacement that institute's displacement sensors 1 and institute's displacement sensors 2 31 measure engine flywheel again inputs to ECU32, analyze through ECU32, if meet accuracy of alignment requirement, so described ECU32 sends signal to hummer 33, produce the prompt tone that centering is adjusted, then described bolt retainer 4 and screw rod fixture 21 are tightened locked; If do not meet accuracy of alignment requirement, repeat the process of above-mentioned centering so again.
The present invention mainly provides a kind of automatic adjustment centralising device of engine pedestal, to reduce the artificial process participating in centering, strengthens the Practical Performance of centralising device, save human cost and time, precision is high, improves the utilization rate of stand, extends the serviceable life of stand.When not deviating from essence of the present invention, the structural arrangement of the automatic adjustment centralising device of engine pedestal and size can be done corresponding change, but these corresponding changes all should belong within the claims belonging to the present invention.
Claims (6)
1. the automatic adjustment centralising device of an engine pedestal, primarily of displacement transducer one, displacement transducer two, ECU, hummer, motor support one, motor support two, motor support three forms, each engine support structure is the same, comprise support seat cover, engine fixed orifice, screw rod one, screw rod two, screw hole one, screw hole two, bolt retainer, screw rod fixture, detent one, detent two, screw rod location-plate one, screw rod location-plate two, bevel gear one, bevel gear two, gear shaft, sleeve one, sleeve two, positioning key, sleeve three, support leg, base, board slot hole, screw rod pilot hole, chute hole one, chute hole two, chute hole three, stepper motor one, stepper motor two, it is characterized in that: bracket cover is connected with engine by described engine fixed orifice, displacement transducer one and displacement transducer two are loaded on the ring flange of dynamometer machine respectively, rotate with measurement of power arbor, displacement transducer one records the axial relative displacement of four points (12,6,9,3 o'clock) on engine flywheel dish end face, and displacement transducer two records the circumferentially relative height of four points (12,6,9,3 o'clock) and the relative radial displacement of engine flywheel dish, displacement transducer is connected with ECU, and the relative displacement recorded is transferred to ECU, and ECU is connected with stepper motor two with the stepper motor one of motor support, ECU to Data Analysis Services and the pulsating wave longer transmission producing corresponding displacement to stepper motor, stepper motor rotates corresponding angular displacement after receiving dfisplacement pulse, be connected with sleeve two between stepper motor two with described screw rod two, described screw rod two is through the screw hole two on described support leg, the screw thread coordinated in screw rod is had in screw hole, described screw rod location-plate two coordinates with the described detent two on described screw rod two, described screw rod location-plate two is inserted into described board slot hole inner position, described screw rod location-plate is located described screw rod two and can only be rotated, and axis does not have displacement, stepper motor two rotates and drives described screw rod two to rotate, and described screw rod two rotates and impels support leg to produce relative displacement along on the axis direction of described screw rod, stepper motor one is connected with sleeve one, sleeve one is connected with bevel gear one, gear one engages with gear two, gear two is connected with described screw rod one, described screw rod one is through described the screw hole covered, the screw rod location-plate one that detent one on described screw rod one and horizontal welding are connected on support leg is connected, the moment of torsion of stepper motor one passes to described screw rod by sleeve one, bevel gear one and bevel gear two makes rotation in the lump, described screw rod location-plate one limits the upper and lower displacement of described screw rod one, and described screw rod one rotates and drives described support seat cover to move up and down, stepper motor two is connected with described motor support two middle sleeve three, motor support one is connected with sleeve two with stepper motor two in motor support three, ECU sea is also connected with hummer, sends prompt tone when centering completes.
2. centralising device according to claim 1, it is characterized in that, institute's displacement sensors (30,31) is connected with described ECU (32), described ECU (32) is connected with the stepper motor (28,29) of described motor support (34,35,36), stepper motor (28,29) drives described screw rod (3,18) to rotate, and described screw rod (3,18) rotation can make described support seat cover (2), described support leg (9) produce relative displacement.
3. centralising device according to claim 2, is characterized in that stepper motor one (28) passes to screw rod one (3) make it to rotate through sleeve one (10), bevel gear two (8), bevel gear one (7).
4. centralising device according to claim 3, it is characterized in that bevel gear two (8) and bevel gear one (7) engage and axis is angle in 90 °, coordinated by screw rod location-plate one (25) and detent (6,24) and locate.
5. centralising device according to claim 1, it is characterized in that described screw rod one (3), described screw rod two (18) and gear shaft (23) there is described detent one (6) respectively, detent two (19) and detent three (24), described screw rod location-plate one (25) and described screw rod location-plate two (20) there is gap, just in time with described detent one (6), described detent two (19) and detent three (24) coordinate, limit described screw rod one (3), described screw rod two (18) and gear shaft (23) are along the displacement of own axes, there are described positioning key (19) and sleeve (12 in described screw rod two (18) two ends, 22) connect, transmitting torque, screw rod location-plate one (25) welds and support leg (9) two ends, screw rod location-plate two (20) is fixed in board slot hole (16).
6. centralising device according to claim 5, it is characterized in that described screw rod one (3) and described support seat cover (2) screw hole one (27) coordinate, screw rod one (3) is rotated and described support seat cover (2) generation relative displacement, described screw rod two (18) coordinates with described support leg (9) screw hole two (11), screw rod two (18) is rotated and described support leg (9) generation relative displacement.
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 |
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| CN104568453A true CN104568453A (en) | 2015-04-29 |
| CN104568453B CN104568453B (en) | 2017-06-06 |
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| 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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Cited By (2)
| 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 |
| CN112033680A (en) * | 2020-08-27 | 2020-12-04 | 潍柴动力股份有限公司 | Thrust plate fault detection method and device and automobile |
Citations (6)
| 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 |
| CN102901633A (en) * | 2012-08-29 | 2013-01-30 | 长城汽车股份有限公司 | Quick centering device for engine pedestal test |
| KR101274141B1 (en) * | 2007-12-07 | 2013-06-11 | 기아자동차주식회사 | Pressure test apparatus for cylinder head gasket in vehicle engine |
| CN103454098A (en) * | 2013-09-18 | 2013-12-18 | 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 |
| CN204694472U (en) * | 2015-01-20 | 2015-10-07 | 吉林大学 | A kind of automatic adjustment centralising device of engine pedestal |
-
2015
- 2015-01-20 CN CN201510028428.1A patent/CN104568453B/en not_active Expired - Fee Related
Patent Citations (6)
| 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 |
| CN102901633A (en) * | 2012-08-29 | 2013-01-30 | 长城汽车股份有限公司 | Quick centering device for engine pedestal test |
| CN103454098A (en) * | 2013-09-18 | 2013-12-18 | 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 |
| CN204694472U (en) * | 2015-01-20 | 2015-10-07 | 吉林大学 | A kind of automatic adjustment centralising device of engine pedestal |
Non-Patent Citations (2)
| Title |
|---|
| 发动机台架安装对中精度的研究;彭世义 等;《汽车与配件》;20140831(第32期);第68-69页 * |
| 彭世义 等: "发动机台架安装对中精度的研究", 《汽车与配件》 * |
Cited By (2)
| 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 |
| CN112033680A (en) * | 2020-08-27 | 2020-12-04 | 潍柴动力股份有限公司 | Thrust plate fault detection method and device and automobile |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104568453B (en) | 2017-06-06 |
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