CN105571868A - Mechanical supercharger self-adaptive tensioning device - Google Patents
Mechanical supercharger self-adaptive tensioning device Download PDFInfo
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- CN105571868A CN105571868A CN201510936764.6A CN201510936764A CN105571868A CN 105571868 A CN105571868 A CN 105571868A CN 201510936764 A CN201510936764 A CN 201510936764A CN 105571868 A CN105571868 A CN 105571868A
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- belt
- mechanical supercharger
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- tensioning system
- electric expreess
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M15/00—Testing of engines
- G01M15/02—Details or accessories of testing apparatus
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- General Physics & Mathematics (AREA)
- Supercharger (AREA)
Abstract
The invention provides a mechanical supercharger self-adaptive tensioning device, and solves the problem of unreasonable belt tensioning. Tension force required by a belt is low under the condition of low rotating speed, pressure of the compressor outlet of a mechanical supercharger is low and pressure applied to a self-adaptive tensioning belt is also low at the time; and tension force required by the belt is increased under the condition of high rotating speed, pressure of the compressor outlet of the mechanical supercharger is also correspondingly increased due to increasing of rotating speed and pressure applied to the belt through the self-adaptive tensioning belt is also increased so that pressure required for avoiding of belt slipping can be guaranteed, and transmission stability and transmission efficiency can be enhanced.
Description
Technical field
The invention belongs to field of electromechanical technology, be specifically related to a kind of mechanical supercharger self-adaptation tensioning system.
Background technology
Compared with turbocharging, engine driven supercharging can engine comparatively the slow-speed of revolution time just can get involved, there is no turbo charged turbo lag, engine can be made on lower rotating speed just can to break into high pulling torque.And due to engine driven supercharging be carry out transmission by belt, so make Power output more smooth-going comparatively speaking, be more suitable for drive routine custom, mechanical supercharger is subject to more and more attention as the important means improving low engine speed performance and transient response.But increase in device operation process at machinery, belt tension also can change, and then there is belt slip, affect transmission stability and transmission efficiency, be badly in need of improving.
Summary of the invention
Object of the present invention just in order to solve the deficiencies in the prior art, and provides a kind of mechanical supercharger self-adaptation tensioning system, and this device effectively can prevent the generation of the phenomenons such as belt slip, eccentric wear even come off, and improves belt maintainability.
Technical scheme of the present invention is: a kind of mechanical supercharger self-adaptation tensioning system, comprise self-adaptation tensioning system cylinder, piston rod, stretching pulley, high-speed electric expreess locomotive belt wheel, mechanical supercharger blower outlet connects self-adaptation tensioning system cylinder, self-adaptation tensioning system cylinder connects stretching pulley by piston rod, stretching pulley connects belt, and belt connects high-speed electric expreess locomotive belt wheel.
In addition, the invention also discloses the mechanical supercharger test unit applying self-adaptation tensioning system of the present invention, comprise air flowmeter, the first temperature sensor, the first pressure transducer, mechanical supercharger, speed probe, the second temperature sensor, the second pressure transducer, pneumatic plant counterbalance valve, mechanical supercharger belt wheel, belt, self-adaptation tensioning system, high-speed electric expreess locomotive belt wheel, torque sensor, high-speed electric expreess locomotive, high-speed electric expreess locomotive base, high-speed electric expreess locomotive controller and corresponding connecting line;
Described air flowmeter import communicates with air, air flowmeter outlet connects mechanical supercharger air compressor import, air flowmeter outlet and the connecting line of mechanical supercharger compressor inlet install the first temperature sensor and the first pressure transducer respectively, mechanical supercharger installs speed probe, mechanical supercharger blower outlet connects pneumatic plant counterbalance valve, the connecting line of mechanical supercharger blower outlet and pneumatic plant counterbalance valve is installed respectively the second temperature sensor and the second pressure transducer, mechanical supercharger belt wheel connects mechanical supercharger rotating shaft, mechanical supercharger belt wheel is connected with high-speed electric expreess locomotive belt wheel by belt, self-adaptation tensioning system is provided with between mechanical supercharger belt wheel and high-speed electric expreess locomotive belt wheel, high-speed electric expreess locomotive belt wheel connects torque sensor, torque sensor connects high-speed electric expreess locomotive, high-speed electric expreess locomotive connects high-speed electric expreess locomotive controller.
Further, self-adaptation tensioning system comprises self-adaptation tensioning system cylinder, piston rod, stretching pulley, high-speed electric expreess locomotive belt wheel, mechanical supercharger blower outlet connects self-adaptation tensioning system cylinder, self-adaptation tensioning system cylinder connects stretching pulley by piston rod, stretching pulley connects belt, and belt connects high-speed electric expreess locomotive belt wheel.
Further, high-speed electric expreess locomotive is arranged on high-speed electric expreess locomotive base by pilot hole by bolt.
Beneficial effect of the present invention:
The invention solves the irrational problem of belt tension, at the low rotational speed, the tensile force needed for belt is little, and now the pressure of mechanical supercharger blower outlet is less, and the pressure acting on self-adaptation tightening belt is also less; At high speed, tensile force needed for belt increases, now the pressure of mechanical supercharger blower outlet is due to the raising also corresponding increase of rotating speed, the pressure being acted on belt by self-adaptation tightening belt device is also increased, ensure that the pressure avoided needed for belt slip, improve transmission stability and transmission efficiency.
Accompanying drawing explanation
Fig. 1 is self-adaptation tensioning system principle of work schematic diagram of the present invention;
Fig. 2 is the structural representation of the mechanical supercharger test unit applying self-adaptation tensioning system of the present invention.
1, air flowmeter, 2, the first temperature sensor, the 3, first pressure transducer, 4, mechanical supercharger, 5, speed probe, 6, the second temperature sensor, the 7, second pressure transducer, 8, pneumatic plant counterbalance valve, 9, mechanical supercharger belt wheel, 10, belt, 11, self-adaptation tensioning system, 11-1, self-adaptation tensioning system cylinder, 11-2, piston rod, 11-3, stretching pulley, 12, high-speed electric expreess locomotive belt wheel, 13, torque sensor, 14, high-speed electric expreess locomotive, 15, high-speed electric expreess locomotive base, 18, high-speed electric expreess locomotive controller, 19 leading screws.
Embodiment
Below in conjunction with accompanying drawing, embodiments of the invention are further described.
Embodiment 1
As shown in Figure 1, a kind of mechanical supercharger self-adaptation tensioning system, comprise self-adaptation tensioning system cylinder 11-1, piston rod 11-2, stretching pulley 11-3, high-speed electric expreess locomotive belt wheel 11-4, mechanical supercharger 4 blower outlet connects self-adaptation tensioning system cylinder 11-1, self-adaptation tensioning system cylinder 11-1 connects stretching pulley 11-3 by piston rod 11-2, stretching pulley 11-3 connects belt 10, and belt 10 connects high-speed electric expreess locomotive belt wheel 12.
The course of work:
Mechanical supercharger 4 sucks air from compressor inlet, the gas of mechanical supercharger 4 blower outlet enters self-adaptation tensioning system cylinder 11-1 by pipeline, this cylinder drives piston rod 11-2 to move up and down, and then increase or reduce the pressure of stretching pulley 11-3, thus increase or minimizing act on belt 10 upward pressure, namely the pressure that self-adaptation belt dressing 11 is different is provided, avoid low speed belt friction power excessive, the situation that high-speed belt skids, reach the effect of the tensile force regulating belt, ensure the steady operation of belt pulley.
Embodiment 2
As shown in Figure 2, the mechanical supercharger test unit of the self-adaptation tensioning system of Application Example 1, comprises air flowmeter 1, first temperature sensor 2, first pressure transducer 3, mechanical supercharger 4, speed probe 5, second temperature sensor 6, second pressure transducer 7, pneumatic plant counterbalance valve 8, mechanical supercharger belt wheel 9, belt 10, self-adaptation tensioning system 11, high-speed electric expreess locomotive belt wheel 12, torque sensor 13, high-speed electric expreess locomotive 14, high-speed electric expreess locomotive base 15, high-speed electric expreess locomotive controller 18 and corresponding connecting line;
Air flowmeter 1 import communicates with air, air flowmeter 1 exports and connects mechanical supercharger 4 compressor inlet, air flowmeter 1 exports on the connecting line with mechanical supercharger 4 compressor inlet and installs the first temperature sensor 2 and the first pressure transducer 3 respectively, mechanical supercharger 4 is installed speed probe 5, mechanical supercharger 4 blower outlet connects pneumatic plant counterbalance valve 8, the connecting line of mechanical supercharger 4 blower outlet and pneumatic plant counterbalance valve 8 is installed respectively the second temperature sensor 6 and the second pressure transducer 7, mechanical supercharger belt wheel 9 connects mechanical supercharger 4 rotating shaft, mechanical supercharger belt wheel 9 is connected with high-speed electric expreess locomotive belt wheel 12 by belt 10, self-adaptation tensioning system 11 is provided with between mechanical supercharger belt wheel 9 and high-speed electric expreess locomotive belt wheel 12, high-speed electric expreess locomotive belt wheel 12 connects torque sensor 13, torque sensor 13 connects high-speed electric expreess locomotive 14, high-speed electric expreess locomotive 14 connects high-speed electric expreess locomotive controller 18, high-speed electric expreess locomotive 14 is arranged on high-speed electric expreess locomotive base 15 by pilot hole 16 by bolt 17.
Wherein, self-adaptation tensioning system comprises self-adaptation tensioning system cylinder 11-1, piston rod 11-2, stretching pulley 11-3, high-speed electric expreess locomotive belt wheel 11-4, mechanical supercharger 4 blower outlet connects self-adaptation tensioning system cylinder 11-1, self-adaptation tensioning system cylinder 11-1 connects stretching pulley 11-3 by piston rod 11-2, stretching pulley 11-3 connects belt 10, and belt 10 connects high-speed electric expreess locomotive belt wheel 12.
The course of work:
First 4 leading screws 19 are regulated, make mechanical supercharger 4 substantially equal with high-speed electric expreess locomotive belt wheel 12 end face, then high-speed electric expreess locomotive controller 18 is started, high-speed electric expreess locomotive 14 drives high-speed electric expreess locomotive belt wheel 12 to work under appointment rotating speed, high-speed electric expreess locomotive belt wheel 12 is by belt 10 driving mechanical supercharger belt wheel 9 synchronous axial system, thus driving mechanical supercharger 4 works, in the course of the work, mechanical supercharger 4 sucks air from compressor inlet, the gas of mechanical supercharger 4 blower outlet enters self-adaptation tensioning system 11 by pipeline, under different mechanical supercharger 4 speed conditions, self-adaptation tensioning system cylinder 11-1 drives piston rod 11-2 to move up and down, and then increase or reduce the pressure of stretching pulley 11-3, thus increase or minimizing act on belt 10 upward pressure, namely the pressure that self-adaptation belt dressing 11 is different is provided, avoid low speed belt friction power excessive, the situation that high-speed belt skids, reach the effect of the tensile force regulating belt, ensure the steady operation of belt pulley.
Test in the above-described state, in test, by the MAF of the pressure of test mechanical supercharger import and export, temperature and inflow point, calculating machine supercharger pressure ratio, charge flow rate and adiabatic compression merit, and calculate power turbine useful power according to compressor efficiency, thus the aeroperformance of research mechanical supercharger under different operating mode, mechanical efficiency etc.
Following test process 1,2 is the test utilizing the mechanical supercharger test unit of self-adaptation tensioning system being equipped with embodiment 1 to do, process of the test and test findings as follows:
Test process 1
In mechanical supercharger test, adopt mechanical supercharger, when high-speed electric expreess locomotive rotating speed is 10000r/min, compressor inlet flow is 0.23kg/s, and compressor inlet temperature surveys 25 DEG C, and compressor delivery temperature surveys 75 DEG C, compressor delivery pressure actual measurement 50kPa (gauge pressure), mechanical supercharger pressure ratio 1.5, belt is without skidding, and mechanical supercharger is working properly.
Test process 2
In mechanical supercharger test, adopt mechanical supercharger, when high-speed electric expreess locomotive rotating speed is 20000r/min, compressor inlet flow is 0.41kg/s, compressor inlet temperature surveys 25 DEG C, and compressor delivery temperature surveys 120 DEG C, compressor delivery pressure actual measurement 122kPa (gauge pressure), mechanical supercharger pressure ratio 2.2, belt are without skidding, and mechanical supercharger is working properly.
It should be noted that, in prior art, without in self-adaptation tensioning system situation, when high-speed electric expreess locomotive rotating speed reaches 10000r/min, belt generation skidding, high-speed electric expreess locomotive cannot keep mechanical supercharger normally to run, and cannot proceed mechanical supercharger test.
By above-mentioned test process, there is following advantage in the mechanical supercharger test unit applying self-adaptation tensioning system of the present invention:
(1) can ensure in high-speed electric expreess locomotive high-speed cruising situation (20000r/min), belt is without skidding, mechanical supercharger can normally run, ensure that the reliability and stability that mechanical supercharger is tested, the experimental test work of (1000r/min-20000r/min) under mechanical supercharger 100% full working scope can be completed, and test unit of the prior art can only complete 50% working condition tests (1000r/min-10000r/min);
(2) utilize in the mechanical supercharger course of work, the pressure that blower outlet produces, the pressure on dynamic adjustment belt, makes belt keep rational tensile force;
(3) avoid belt slip phenomenon, improve the stability of mechanical supercharger test, decrease the frictional dissipation that belt slip produces, extend the serviceable life of belt.
Above-mentioned explanation is not limitation of the present invention, and the present invention is also not limited to above-mentioned citing, those skilled in the art, and in essential scope of the present invention, the change made, change, interpolation or replacement, all should belong to protection scope of the present invention.
Claims (2)
1. a mechanical supercharger self-adaptation tensioning system, it is characterized in that, comprise self-adaptation tensioning system cylinder (11-1), piston rod (11-2), stretching pulley (11-3), high-speed electric expreess locomotive belt wheel (12), mechanical supercharger (4) blower outlet connects self-adaptation tensioning system cylinder (11-1), self-adaptation tensioning system cylinder (11-1) connects stretching pulley (11-3) by piston rod (11-2), stretching pulley (11-3) connects belt (10), and belt (10) connects high-speed electric expreess locomotive belt wheel (12).
2. the application of a kind of mechanical supercharger self-adaptation tensioning system in mechanical supercharger test unit as claimed in claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510936764.6A CN105571868A (en) | 2015-12-14 | 2015-12-14 | Mechanical supercharger self-adaptive tensioning device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510936764.6A CN105571868A (en) | 2015-12-14 | 2015-12-14 | Mechanical supercharger self-adaptive tensioning device |
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| CN105571868A true CN105571868A (en) | 2016-05-11 |
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| CN201510936764.6A Pending CN105571868A (en) | 2015-12-14 | 2015-12-14 | Mechanical supercharger self-adaptive tensioning device |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6272948A (en) * | 1985-09-25 | 1987-04-03 | Kubota Ltd | Transmission belt slip detecting device |
| JPH02291424A (en) * | 1989-04-28 | 1990-12-03 | Mitsuboshi Belting Ltd | Control device for supercharger pressure |
| KR100204144B1 (en) * | 1996-12-17 | 1999-06-15 | 정몽규 | Tensioner |
| US6615809B1 (en) * | 2000-07-27 | 2003-09-09 | Allen L. Martin | External drive supercharger |
| CN2814021Y (en) * | 2005-07-05 | 2006-09-06 | 新疆溢达纺织有限公司 | Adjustable leather belt tension device |
| CN102095583A (en) * | 2010-12-04 | 2011-06-15 | 芜湖杰锋汽车动力系统有限公司 | Performance test device of mechanical supercharger |
| CN102990977A (en) * | 2011-09-13 | 2013-03-27 | 江苏八达重工机械有限公司 | Belt tensioning mechanism of mechanical press |
-
2015
- 2015-12-14 CN CN201510936764.6A patent/CN105571868A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6272948A (en) * | 1985-09-25 | 1987-04-03 | Kubota Ltd | Transmission belt slip detecting device |
| JPH02291424A (en) * | 1989-04-28 | 1990-12-03 | Mitsuboshi Belting Ltd | Control device for supercharger pressure |
| KR100204144B1 (en) * | 1996-12-17 | 1999-06-15 | 정몽규 | Tensioner |
| US6615809B1 (en) * | 2000-07-27 | 2003-09-09 | Allen L. Martin | External drive supercharger |
| CN2814021Y (en) * | 2005-07-05 | 2006-09-06 | 新疆溢达纺织有限公司 | Adjustable leather belt tension device |
| CN102095583A (en) * | 2010-12-04 | 2011-06-15 | 芜湖杰锋汽车动力系统有限公司 | Performance test device of mechanical supercharger |
| CN102990977A (en) * | 2011-09-13 | 2013-03-27 | 江苏八达重工机械有限公司 | Belt tensioning mechanism of mechanical press |
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Application publication date: 20160511 |
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