CN103743569A - Test bed for engine valve system - Google Patents
Test bed for engine valve system Download PDFInfo
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- CN103743569A CN103743569A CN201410030345.1A CN201410030345A CN103743569A CN 103743569 A CN103743569 A CN 103743569A CN 201410030345 A CN201410030345 A CN 201410030345A CN 103743569 A CN103743569 A CN 103743569A
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- cylinder cap
- end wheel
- web joint
- testing table
- engine valve
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Abstract
The invention relates to a test bed for an engine valve system. The test bed comprises a test bed supporting rack, a cylinder cover connecting plate (2), a front end wheel train plate (13), an electric motor (15), a circulating oil way, a circulating waterway and an engine front end wheel train, wherein the cylinder cover connecting plate (2), the front end wheel train plate (13) and the electric motor (15) are fixedly arranged on the test bed supporting rack. The test bed adopts simple equipment; an actual working state of the double overhead camshaft engine valve system can be effectively and really simulated; and accuracy of a testing result is ensured.
Description
Technical field
The invention belongs to car combustion engine field tests, be specifically related to a kind of overhead camshaft engine valve system test-bed.
Background technology
In carrying out the test of overhead camshaft engine valve system, owing to cannot simulating effectively, really the actual working state of overhead camshaft engine valve system, therefore cannot reflect effectively, really the actual working state of overhead camshaft engine valve system, can accurately not carry out the test of overhead camshaft engine valve system.
Summary of the invention
The subject matter that the present invention solves is a kind of testing table for the test of overhead camshaft engine valve system of design, to reflect more effectively, really the actual working state of overhead camshaft engine valve system, carry out accurately the test of DOHC engine valve system.
The present invention mainly overcomes the above problems by following technical proposals:
A kind of overhead camshaft engine valve is system test-bed, comprises testing table support stand and is fixedly mounted on cylinder cap web joint, front end wheel train plate and the motor on testing table support stand, also includes circulating oil path and motor front-end wheel system.
Described cylinder cap web joint level is arranged on testing table support stand, on it for install by test gas distribution structure overhead camshaft cylinder cap and intake and exhaust cam axle, on described cylinder cap web joint, have spill port and oil supply hole, separately there are scavenge pipe, fuel tank, lubricating oil pump, oil inlet pipe to connect successively and are connected between the spill port and oil supply hole of cylinder cap web joint, forming circulating oil path.
On described cylinder cap web joint, have inlet opening and apopore, separately have outlet pipeline, water tank, water pump, heat control valve, cooling water pipe joint and inlet pipeline.After connecting the chilled water of testing laboratory, by means of heat control valve, can change the water temperature that enters cylinder cap, thereby can carry out the valve system test under condition of different temperatures.
Described front end wheel train plate is vertically fixed on cylinder cap web joint below one side, stretching pulley, idle pulley, crankshaft timing belt pulley are installed on it, described motor is positioned at front end wheel train plate outside, its output shaft is installed crankshaft timing belt pulley, described stretching pulley, idle pulley, crankshaft timing belt pulley are connected with exhaust cam shaft with the admission cam shaft that is by pet valve by Timing Belt or chain, form motor front-end wheel system.
The present invention had both been applicable to DOHC engine Fa Xi mechanism, and being also applicable to Single Over Head Camshaft engine valve is mechanism.
In order to facilitate testing table to move, support stand preferably adopts the testing table supporting trolley structure that deflecting roller is installed below.
The invention has the beneficial effects as follows:
One aspect of the present invention has designed the lubricated circulating oil path of cylinder cap, use external oil pump to be lubricated cylinder cap, utilize the rotation of electromotor simulation engine, and design with motor head timing wheel train and arrange the same end plates, for timing wheel train required various stretching pulleys, idle pulley, the arrangement states of simulated engine real work train are installed.Utilize again on the other hand motor as power source, by the crankshaft timing wheel being arranged on motor, drive Timing Belt or chain, drive into, exhaust cam shaft work, the actual working state that has reflected truly thus DOHC engine valve system, reaches the object of carrying out accurately the test of DOHC engine valve system.
The equipment that the invention has the advantages that is simple, can be effectively, the actual working state of real simulated dual overhead camshaft engine valve system, guarantee the accuracy of test result.
Figure of description
Fig. 1 is the schematic diagram of the valve system test of DOHC engine;
Fig. 2 is the system test-bed simulation of engine train of DOHC engine valve schematic diagram.
In figure: 1. Dual Over Head Camshaft cylinder cap; 2. cylinder cap web joint; 3. scavenge pipe; 4. fuel tank; 5. lubricating oil pump; 6. oil inlet pipe; 7. return pipe; 8. water tank; 9. water pump; 10. water inlet pipe; 11. heat control valves; 12. cooling water pipes; 13. front end wheel train plates; 14. Timing Belts or chain; 15. motor; 16. deflecting rollers; 17. testing table supporting trolleys; 18. crankshaft timing belt pulleys; 19. stretching pulleys; 20. idle pulleys; 21. admission cam shafts; 22. exhaust cam shafts.
Embodiment
Describe by the following examples technical scheme of the present invention in detail, following embodiment is only exemplary, only can be used for explaining and technical scheme of the present invention being described, and can not to be interpreted as is the restriction to technical solution of the present invention.
According to structure shown in Fig. 1 and Fig. 2, build valve system test-bed, its composition comprises: cylinder cap web joint 2, scavenge pipe 3, fuel tank 4, lubricating oil pump 5, oil inlet pipe 6, front end wheel train plate 13, timing chain 14, motor 15, testing table supporting trolley 17.Dual Over Head Camshaft cylinder cap I is fixed on cylinder cap web joint 2, Dual Over Head Camshaft cylinder cap 1 and cylinder cap web joint 2, motor 15 are fixed on testing table supporting trolley 17, testing table supporting trolley 17 is installed deflecting roller 16 below and is convenient to mobile.According to engine timing wheel train structure, make front end wheel train plate 13, as shown in Figure 2, front end wheel train plate 13 is vertically fixed on cylinder cap web joint 2 below one sides, stretching pulley 19 and idle pulley 20 are installed on front end wheel train plate 13, crankshaft timing belt pulley 18 is installed on motor 15, timing chain 14 is connected to stretching pulley 19, idle pulley 20, crankshaft timing belt pulley 18, admission cam shaft 21 and exhaust cam shaft 22 according to common train arrangement.By timing chain 14, drive admission cam shaft 21 and exhaust cam shaft 22, the actual working state of simulated engine valve system.According to the structure of cylinder cap, cylinder cap lubricant passage way is set, cylinder cap web joint 2 levels are arranged on testing table supporting trolley 17, on cylinder cap web joint 2, have spill port and oil supply hole, by oil inlet pipe 6, be connected fuel tank 4 and lubricating oil pump 5 with scavenge pipe 3, form circulating oil path, whole lubrication oil circulation will meet cylinder cap and move lubricated needs.In addition, at the trial, the required sensor of arrangement of valves system test on Dual Over Head Camshaft cylinder cap, utilizing the system test-bed valve that carries out of valve of design is test.
Although illustrated and described embodiments of the invention, for the ordinary skill in the art, be appreciated that without departing from the principles and spirit of the present invention and can carry out multiple variation, modification, replacement and modification to these embodiment, scope of the present invention is by claims and be equal to and limit.
Claims (3)
1. an engine valve is system test-bed, it is characterized in that: described testing table comprises testing table support stand and is fixedly mounted on cylinder cap web joint (2), front end wheel train plate (13) and the motor (15) on testing table support stand, also includes circulating oil path, circulation waterway and motor front-end wheel system;
Described cylinder cap web joint (2) level is arranged on testing table support stand, on it for overhead camshaft cylinder cap and the intake and exhaust cam axle that is by pet valve is installed, on described cylinder cap web joint (2), have spill port and oil supply hole, separately there are scavenge pipe (3), fuel tank (4), lubricating oil pump (5), oil inlet pipe (6) to connect successively and are connected between the spill port and oil supply hole of cylinder cap web joint (2), forming circulating oil path;
On described cylinder cap web joint (2), have apopore and inlet opening, separately there are rising pipe (7), water tank (8), water pump (9), water inlet pipe (10), heat control valve (11) and cooling water pipe joint (12), between inlet opening and apopore, by heat control valve (11) and chilled water, can change the temperature of the recirculated water that enters cylinder cap (1);
Described front end wheel train plate (13) is vertically fixed on cylinder cap web joint (2) below one side, stretching pulley (19), idle pulley (20) are installed on it, described motor (15) is positioned at front end wheel train plate (13) outside, its output shaft is installed crankshaft timing belt pulley (18), described stretching pulley (19), idle pulley (20), crankshaft timing belt pulley (18) are connected with exhaust cam shaft (22) with the admission cam shaft that is by pet valve (21) by timing chain (14), form motor front-end wheel system.
2. engine valve according to claim 1 is system test-bed, it is characterized in that: described overhead camshaft cylinder cap is Dual Over Head Camshaft cylinder cap (1).
3. engine valve according to claim 1 is system test-bed, it is characterized in that: described testing table support stand is for being provided with the testing table supporting trolley (17) of deflecting roller (16) below.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410030345.1A CN103743569A (en) | 2014-01-22 | 2014-01-22 | Test bed for engine valve system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410030345.1A CN103743569A (en) | 2014-01-22 | 2014-01-22 | Test bed for engine valve system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103743569A true CN103743569A (en) | 2014-04-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410030345.1A Pending CN103743569A (en) | 2014-01-22 | 2014-01-22 | Test bed for engine valve system |
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| CN (1) | CN103743569A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100050612A1 (en) * | 2008-08-27 | 2010-03-04 | Robert Bosch Gmbh | Procedure and device for the increase in value of one dose arrangement |
| CN101793606A (en) * | 2010-03-30 | 2010-08-04 | 山东大学 | Machine-heating load fatigue test device of engine cylinder head |
| CN201653699U (en) * | 2010-03-30 | 2010-11-24 | 山东大学 | Mechanical-thermal load coupling fatigue tester of engine cylinder head |
| CN102183368A (en) * | 2011-03-14 | 2011-09-14 | 重庆长安汽车股份有限公司 | Test bed for valve actuating mechanism of engine with top-mounted cam shafts |
| CN102383887A (en) * | 2011-10-26 | 2012-03-21 | 奇瑞汽车股份有限公司 | Valve control mechanism of overhead camshaft engine |
| CN102410932A (en) * | 2010-09-20 | 2012-04-11 | 广西玉柴机器股份有限公司 | Blockage detection device and method for water chamber of engine cylinder cover |
| CN202403918U (en) * | 2011-12-21 | 2012-08-29 | 上海汽车集团股份有限公司 | Cooling system for hot end of engine and engine testing system comprising cooling system |
| CN102866007A (en) * | 2012-09-20 | 2013-01-09 | 潍柴动力股份有限公司 | Cylinder head fatigue test device and method |
-
2014
- 2014-01-22 CN CN201410030345.1A patent/CN103743569A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100050612A1 (en) * | 2008-08-27 | 2010-03-04 | Robert Bosch Gmbh | Procedure and device for the increase in value of one dose arrangement |
| CN101793606A (en) * | 2010-03-30 | 2010-08-04 | 山东大学 | Machine-heating load fatigue test device of engine cylinder head |
| CN201653699U (en) * | 2010-03-30 | 2010-11-24 | 山东大学 | Mechanical-thermal load coupling fatigue tester of engine cylinder head |
| CN102410932A (en) * | 2010-09-20 | 2012-04-11 | 广西玉柴机器股份有限公司 | Blockage detection device and method for water chamber of engine cylinder cover |
| CN102183368A (en) * | 2011-03-14 | 2011-09-14 | 重庆长安汽车股份有限公司 | Test bed for valve actuating mechanism of engine with top-mounted cam shafts |
| CN102383887A (en) * | 2011-10-26 | 2012-03-21 | 奇瑞汽车股份有限公司 | Valve control mechanism of overhead camshaft engine |
| CN202403918U (en) * | 2011-12-21 | 2012-08-29 | 上海汽车集团股份有限公司 | Cooling system for hot end of engine and engine testing system comprising cooling system |
| CN102866007A (en) * | 2012-09-20 | 2013-01-09 | 潍柴动力股份有限公司 | Cylinder head fatigue test device and method |
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Application publication date: 20140423 |