CN102486438B - Engine cold test device and engine test method - Google Patents
Engine cold test device and engine test method Download PDFInfo
- Publication number
- CN102486438B CN102486438B CN201010620776.5A CN201010620776A CN102486438B CN 102486438 B CN102486438 B CN 102486438B CN 201010620776 A CN201010620776 A CN 201010620776A CN 102486438 B CN102486438 B CN 102486438B
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- engine
- rotating disc
- flywheel
- push
- turning axle
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Abstract
The invention provides an engine cold test device. The engine cold test device is connected to an engine flywheel and detects engine performance; the test device comprises a driving component and a rotary disc; the driving component comprises a rotating shaft; the rotary disc is connected to the rotating shaft and is driven by the rotating shaft to rotate around the axis of the rotating shaft; the rotary disc is provided with a plurality of connecting holes; the connecting holes are arranged in the circumferential direction by taking the axis of the rotating shaft as the center of circle; the engine cold test device is also provided with a positioning component; and the positioning component is connected to the rotary disc and the rotary disc is moved along the rotating shaft. The invention also discloses a test method for testing the engine performance by using the cold test device.
Description
Technical field
The present invention relates to a kind of engine cold proving installation and a kind of Engine Block Test method, particularly use the Engine Block Test method of this device about a kind of proving installation for engine cold test.
Background technology
Engine Block Test is testing process indispensable on car engine machine production line.Traditional test macro is all hot car test, the parameters of its test engine in the situation that engine combustion does work, thus judge that whether the performance of engine is qualified.But heat test has certain shortcoming: 1) testing efficiency of heat test is low, is not suitable with current large-scale production needs; 2) in test process, need to add fuel oil, chilled water, cause testing cost higher; 3) in test, produce the environmental pollution such as noise, waste gas.
Cold test is a kind of wrong method occurring in engine assembly process that detects, and itself does not supply oil firing, but uses electro-motor to drag engine to be tested.Electro-motor is controlled rotating speed automatically according to different test requests, in engine operation process, collects various test datas by sensor, and current domestic engine cold test type of drive is mainly used claw to be connected in flywheel, and flywheel is provided with flywheel ring gear and flywheel signal teeth.Claw drives flywheel ring gear rotate and by the sensor that is connected in flywheel signal teeth, engine performance carried out to dependence test.And for the engine flywheel assembly of current main flow, click-on mechanism is connected in flywheel, click-on mechanism may affect the collection of sensor to flywheel signal, and if newly-increased type flywheel ring gear position different, need to stand transformation or by completing test with frock flywheel.
Summary of the invention
In order to overcome above-mentioned the deficiencies in the prior art, the invention provides the engine cold proving installation that a kind of measuring accuracy is high, be applicable to various engines.
A kind of engine cold proving installation, this engine cold proving installation is connected in engine flywheel and engine performance is detected, proving installation comprises driven unit and rotating disc, driven unit comprises turning axle, rotating disc is connected in turning axle and rotates around the axis of turning axle under turning axle drives, rotating disc is provided with multiple connecting holes, connecting hole is along the circumferential direction arranged as the center of circle taking the axle center of turning axle, engine cold proving installation is also provided with positioning component, and positioning component is connected in rotating disc and moves rotating disc along turning axle.The present invention also discloses a kind of method of testing that uses this proving installation to test engine performance.
Compared to prior art, engine cold proving installation of the present invention is easy to use, and can the engine flywheel of different size be connected and be tested, and measuring accuracy is high.
Brief description of the drawings
Fig. 1 is the solid assembling schematic diagram of engine pick-up unit of the present invention.
Fig. 2 is the sectional view of engine pick-up unit of the present invention
Fig. 3 is the structural representation of rotating disc of the present invention.
Fig. 4 is the structural representation of the first web member of the present invention.
Fig. 5 is the structural representation of the second web member of the present invention.
Embodiment
Below in conjunction with brief description of the drawings and embodiment, the present invention is further described.
Refer to Fig. 1 and Fig. 2, the invention provides a kind of engine pick-up unit 10, it comprises driven unit 20, rotating disc 21, coupling assembling 23, positioning component 25, Buffer Unit 27 and detection components (not shown).Engine is provided with flywheel, is connected with register pin on flywheel.Detection components is connected in the flywheel (not shown) of engine, rotating disc 21 is located by connecting in the flywheel (not shown) of engine, rotating disc 21 rotates and flywheel driven under the driving of driven unit 20, and utilizes detection components to carrying out Performance Detection with the engine of different rotating speeds rotation.
Driven unit 20 comprises main spindle box 200 and is positioned over actuator (not shown) and the turning axle 201 in main spindle box 200, and turning axle 201 can be around himself axis rotation under actuator drives.In the present embodiment, actuator is variable-frequency motor, and the maximum speed of variable-frequency motor is 3000 rpms.Be understandable that, actuator can need to be selected voluntarily according to detecting.
Please also refer to Fig. 3, rotating disc 21 is roughly circle, and rotating disc 21 edges offer multiple connecting holes 210, and connecting hole 210 is along the circumferential direction arranged as the center of circle taking the axle center of described turning axle 201.Connecting hole 210 is bar hole, and described bar hole 210 is along described rotating disc 21 circumferentially extendings.In the present embodiment, bar hole 210 is arranged at rotating disc 21 edges and along the circumferential direction equidistantly arranges, and is understandable that, the position of bar hole 210 and shape also can arrange according to the mated condition of corresponding flywheel.Along the circumferential direction equidistantly arrange and described rotating disc 21 circumferentially extendings owing to being provided with multiple bar holes 210, therefore applicable to the flywheel of multiple different size.On rotating disc 21, be also provided with fixed orifice 211.
Comprise that please also refer to Fig. 4 and Fig. 5 coupling assembling 23 the first web member 231 and the second web member 232, the first web members 231 are roughly cylindrical, its outer peripheral face that axially offers sleeve joint hole 2311, the first web members 231 offers male splines 2313.The second web member 232 is roughly disk, offers female spline 2323 along its axial centre.The first web member 231 and the second web member 232 splined.On the end face of the second web member 232, the fixed orifice 211 of corresponding rotation dish 21 also offers mating holes 2321.
Positioning component 25 comprises push-and-pull cylinder 251, push pedal 253 and push rod 255.Push-and-pull cylinder 251 is connected in main spindle box 200, and push rod 255 is connected in push pedal 253, and push pedal 253 is connected in push-and-pull cylinder 251, and push rod 255 can move along the axis direction of turning axle 201 under the driving of push-and-pull cylinder 251.In the present embodiment, positioning component 25 relative rotation axis 201 are symmetrically arranged with two push rods 255, have also been provided with the pushing block 257 of connection function between push pedal and push rod 255, and pushing block 257 is connected between two push rods 255 and push pedal 253.
Buffer Unit 27 comprises sleeve 271, end cap 273 and elastic component 275.Sleeve 271 is roughly cylindrical, and it is sheathed on push rod 255, and the outer peripheral face that sleeve 271 is provided with is provided with flange 2711.End cap 273 is fixed on sleeve 271 ends, and elastic component 275 is held in end cap 273.In the present embodiment, elastic component 275 is the spring that is sheathed on push rod 255, is understandable that, Buffer Unit 27 can use other devices or structure to play buffer action.Buffer Unit 27
Engine pick-up unit 10 is also provided with shaft coupling 29 and set collar 30.Shaft coupling 29 is sheathed on the first web member 231 to be fixedly connected with the first web member 231 and turning axle 201.Set collar 30 is connected in and is sheathed on the first web member 231 to limit the shift position of the first web member 231.
While using this engine pick-up unit 10, rotating disc 21 is fixedly connected on the second web member 232 of coupling assembling 23.The end face of rotating disc 21 is perpendicular to the axis of the turning axle 201 of driven unit 20.The first web member 231 of coupling assembling 23 is socketed on the turning axle 201 of driven unit 20.The flange 2711 of sleeve 271 is held in the second web member 232, and the push rod 255 of positioning component 25 is held in sleeve 271 to promote coupling assembling 23.
The detection method that uses this engine pick-up unit 10 to carry out the performance of engine comprises the following steps:
1) engine to be measured is sent into detection station, detection components is connected in engine, and the flywheel of engine and rotating disc 21 be arranged in parallel.
2) detection components is connected in to engine flywheel; Driven unit 20 drives rotating disc 21 to rotate, the connecting hole 210 of rotating disc 21 is along the register pin (not shown) of the corresponding flywheel of turning axle 201 axis directions, positioning component 25 moves rotating disc 21 to be held in flywheel along the axis direction of turning axle 201, register pin is placed in the connecting hole 210 of rotating disc 21, and rotating disc 21 is connected in flywheel.
3) driven unit flywheel driven rotation, detection components gathers and analyzes engine rotation data; In the present embodiment, the maximum speed of rotary components is 3000 rpms.Rotary components drives respectively flywheel to be rotated with the rotating speed of 150 rpms, 300 rpms, 750 rpms and 2000 rpms, and uses detection components to detect into the performance under each rotating speed starting.
Above content is in conjunction with concrete preferred implementation further description made for the present invention, can not assert that specific embodiment of the invention is confined to these explanations.For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to protection scope of the present invention.
Claims (4)
1. the method for testing of an engine cold proving installation, use a kind of engine cold proving installation, described proving installation comprises driven unit, rotating disc and detection components, described driven unit comprises turning axle, described rotating disc is connected in described turning axle and rotates around the axis of described turning axle under described turning axle drive, described rotating disc is provided with multiple connecting holes, described connecting hole is along the circumferential direction arranged as the center of circle taking the axle center of described turning axle, described engine cold proving installation is also provided with positioning component, described positioning component is connected in described rotating disc and moves described rotating disc along described turning axle, described positioning component comprises push-and-pull cylinder, push pedal and push rod, described push-and-pull cylinder is connected in main spindle box, push rod is connected in push pedal, push pedal is connected in push-and-pull cylinder, push rod can move by the axis direction along turning axle under the driving of push-and-pull cylinder, described positioning component relative rotation axi is symmetrically arranged with two push rods, between described push pedal and push rod, be also provided with the pushing block of connection function, described pushing block is connected between two push rods and push pedal, this engine cold proving installation is connected in engine flywheel and engine performance is detected, described engine flywheel is connected with register pin, it is characterized in that: described method of testing comprises the following steps: 1) engine to be measured is sent into detection station, detection components is connected in described engine, the flywheel of described engine and described rotating disc be arranged in parallel, 2) detection components is connected in to described engine flywheel, 3) described driven unit drives described flywheel rotation, and detection components gathers and analyzes engine rotation data.
2. the method for testing of engine cold proving installation according to claim 1, it is characterized in that: described step 3) described in driven unit drive described rotating disc to rotate, at least one connecting hole of described rotating disc is along the register pin of the corresponding described flywheel of described rotating shaft axis direction, described positioning component moves described rotating disc to be held in described flywheel along the axis direction of described turning axle, described register pin is placed in the connecting hole of described rotating disc, and described rotating disc is connected in described flywheel.
3. the method for testing of engine cold proving installation according to claim 1, is characterized in that: described step 3) in, the maximum speed of described driven unit is 3000 rpms.
4. the method for testing of engine cold proving installation according to claim 1, it is characterized in that: described step 3) in, the test rotating speed of described driven unit at least comprises in 150 rpms, 300 rpms, 750 rpms and 2000 rpms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010620776.5A CN102486438B (en) | 2010-12-31 | 2010-12-31 | Engine cold test device and engine test method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010620776.5A CN102486438B (en) | 2010-12-31 | 2010-12-31 | Engine cold test device and engine test method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102486438A CN102486438A (en) | 2012-06-06 |
| CN102486438B true CN102486438B (en) | 2014-11-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010620776.5A Expired - Fee Related CN102486438B (en) | 2010-12-31 | 2010-12-31 | Engine cold test device and engine test method |
Country Status (1)
| Country | Link |
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| CN (1) | CN102486438B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104314999B (en) * | 2014-10-29 | 2017-02-15 | 重庆长安汽车股份有限公司 | Cold-test driving through connection tool of automobile automatic-transmission engine |
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| US4023405A (en) * | 1976-05-17 | 1977-05-17 | Caterpillar Tractor Co. | Tuned quick connect and disconnect coupling arrangement |
| JP2003294583A (en) * | 2002-03-29 | 2003-10-15 | Daifuku Co Ltd | Rotation driving device for engine test |
| CN2735323Y (en) * | 2004-09-09 | 2005-10-19 | 扬动股份有限公司 | Combustion engine performance testing stand |
| CN2911639Y (en) * | 2006-03-20 | 2007-06-13 | 启东市联通测功器有限公司 | Starter of engine experimental bench |
| CN201051047Y (en) * | 2007-06-15 | 2008-04-23 | 北汽福田汽车股份有限公司 | A testing and connection device for generator table rack |
| CN201177564Y (en) * | 2008-04-11 | 2009-01-07 | 广西玉柴机器股份有限公司 | Jack horse land for developing diesel engine |
| CN201446429U (en) * | 2009-06-23 | 2010-05-05 | 中国西电电气股份有限公司 | General fixture for GIS housings |
| CN201716186U (en) * | 2010-06-07 | 2011-01-19 | 上海华依科技发展有限公司 | Main transmission mechanism for testing automobile engine |
-
2010
- 2010-12-31 CN CN201010620776.5A patent/CN102486438B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4023405A (en) * | 1976-05-17 | 1977-05-17 | Caterpillar Tractor Co. | Tuned quick connect and disconnect coupling arrangement |
| JP2003294583A (en) * | 2002-03-29 | 2003-10-15 | Daifuku Co Ltd | Rotation driving device for engine test |
| CN2735323Y (en) * | 2004-09-09 | 2005-10-19 | 扬动股份有限公司 | Combustion engine performance testing stand |
| CN2911639Y (en) * | 2006-03-20 | 2007-06-13 | 启东市联通测功器有限公司 | Starter of engine experimental bench |
| CN201051047Y (en) * | 2007-06-15 | 2008-04-23 | 北汽福田汽车股份有限公司 | A testing and connection device for generator table rack |
| CN201177564Y (en) * | 2008-04-11 | 2009-01-07 | 广西玉柴机器股份有限公司 | Jack horse land for developing diesel engine |
| CN201446429U (en) * | 2009-06-23 | 2010-05-05 | 中国西电电气股份有限公司 | General fixture for GIS housings |
| CN201716186U (en) * | 2010-06-07 | 2011-01-19 | 上海华依科技发展有限公司 | Main transmission mechanism for testing automobile engine |
Non-Patent Citations (2)
| Title |
|---|
| 任彪.发动机冷试验系统研究与开发.《中国优秀硕士学位论文全文数据库工程科技Ⅱ辑》.2008,(第9（2008）期),第42页. * |
| 发动机冷试验系统研究与开发;任彪;《中国优秀硕士学位论文全文数据库工程科技Ⅱ辑》;20080915(第9（2008）期);第42页 * |
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| CN102486438A (en) | 2012-06-06 |
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Granted publication date: 20141112 Termination date: 20201231 |