CN104847477A - Mechanical throat adjustment device - Google Patents
Mechanical throat adjustment device Download PDFInfo
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- CN104847477A CN104847477A CN201510144618.XA CN201510144618A CN104847477A CN 104847477 A CN104847477 A CN 104847477A CN 201510144618 A CN201510144618 A CN 201510144618A CN 104847477 A CN104847477 A CN 104847477A
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- China
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- moving body
- turbine
- control volume
- outlet pipe
- spring
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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- Supercharger (AREA)
- Exhaust Silencers (AREA)
Abstract
The invention belongs to a mechanical throat adjustment device in the technical field of internal combustion engines. The mechanical throat adjustment device comprises a rotary shaft, a rotary plate, a telescopic rod, a control body, springs, movable bodies and a connecting pipe, wherein the rotary shaft is inserted into an exhaust pipe in front of a turbine, one end of the rotary plate is fixedly connected with the rotary shaft, the longitudinal sections of the first movable body and the second movable body are both provided with slope structures matched with each other, the right wall face of the first movable body is connected with the right wall face of the control body through the first spring, one end of the connecting pipe is communicated with an inside cavity of the control body after penetrating through the right wall face of the control body, and the other end of the connecting pipe is communicated with the exhaust pipe between the turbine and a silencer. According to the mechanical throat adjustment device, when the load of an engine is big, the area of the exhaust pipe throat in front of the turbine is large; when the load of the engine is small, the area of the exhaust pipe throat in front of the turbine is small. The mechanical throat adjustment device has the advantages of being reasonable in design, simple in structure and suitable for the design of a diesel engine turbocharger system.
Description
Technical field
The invention belongs to internal combustion (IC) Engine Design technical field, specifically, is that one can realize turbine front exhaust pipe throat area self-regulating mechanical type aditus laryngis controlling device.
Background technique
Along with the development of society and the raising of environmental requirement, the application of engine booster technology is more and more extensive, in powerful motor mostly adopt turbocharging technology, to improve power and to reduce fuel consumption rate.Two kinds of basic patterns of turbo charge system are constant pressure charging system and impulse pressure charging system.Constant pressure charging system, each cylinder shares the larger outlet pipe of a volume, and exhaust piping is relatively simple for structure, and outlet pipe internal pressure keeps constant substantially, pressure size is only relevant with rotating speed with the load of motor, and the pressurization system of different cylinder number diesel engine can be designed for uniformity.Constant pressure charging system is when high-speed working condition, and pumping loss is less, and turbine efficiency is higher, and performance is more excellent; But when speed operation, can not exhaust pulse energy be made full use of.Impulse pressure charging system, according to each cylinder firing order, exhaust is not occurred in interference two cylinders or three cylinders are connected with same outlet pipe, and exhaust piping caliber is less, and exhaust pulse energy can make full use of, speed operation and instantaneous conditions better performances; But when high-speed working condition, pumping loss is larger.As can be seen here, if a waste pipe volume can change along with the conversion of operating mode, make exhaust pipe volume become large during high-speed working condition, make exhaust pipe volume diminish during speed operation, this is ideal.Under the prerequisite that exhaust pipe volume is constant, by changing the discharge area of outlet pipe, also can realize taking into account of motor high and low rotating speed operating mode.Diminish at speed operation exhaust outlet area, before turbine, available energy is more; Become large at high-speed working condition exhaust outlet area, pumping loss is less, and this is also ideal.
Through finding the retrieval of prior art document, China Patent No. ZL201020532937.0, patent name is the turbo charging installation of air exhaust pipe outlet area variable, this patented technology provides a kind of device of exhaust outlet area continuous variable, can take into account the high and low rotating speed operating mode of motor preferably; But the change of its exhaust outlet area is realized by the rotation of rotating handles, this increases a set of special control mechanism to control the rotation of rotating handles with regard to needing, thus the more complicated that boosting system arrangement is become.
Summary of the invention
The present invention is directed to above-mentioned deficiency, a kind of mechanical type aditus laryngis controlling device is provided, the self-regulation of turbine front exhaust pipe throat area can be realized.
The present invention is achieved through the following technical solutions, the present invention includes suction tude, air filter, gas compressor, diesel engine, outlet pipe, turbine, baffler, running shaft, swivel plate, flexible rod, control volume, first spring, second spring, first moving body, second moving body, connecting tube, the suction port of diesel engine is connected with the air outlet of suction tude, and the relief opening of diesel engine is connected with the suction port of outlet pipe, air filter, gas compressor is connected in turn in suction tude, turbine, baffler is connected in turn on outlet pipe, and running shaft is embedded on the outlet pipe before turbine, and one end and the running shaft of swivel plate are consolidated, the first moving body, second moving body is arranged in control volume, and the internal cavity cross section of control volume is rectangular, the first moving body, the cross section of the second moving body is rectangular, the first moving body, the longitudinal section of the second moving body all cooperatively interacts with ramp structure, one end of flexible rod and the other end of swivel plate hinged, the other end of flexible rod is through hinged with the lower wall surface of the second moving body after the lower wall surface of control volume, the lower wall surface of the second moving body is linked together by the lower wall surface of the second spring and control volume, the right wall of the first moving body is linked together by the right wall of the first spring and control volume, one end of connecting tube is connected with its internal cavity through after the right wall of control volume, the other end of connecting tube and turbine, outlet pipe between baffler is connected.
The invention has the beneficial effects as follows: the present invention is reasonable in design, structure is simple, can realize the self-control of turbine front exhaust pipe throat area.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the partial enlarged drawing of Fig. 1;
Fig. 3 is the structural representation of A-A section in Fig. 1;
Fig. 4 is the structural representation of B-B section in Fig. 1;
Label in accompanying drawing is respectively: 1, suction tude, and 2, air filter, 3, gas compressor, 4, diesel engine, 5, outlet pipe, 6, turbine, 7, baffler, 8, running shaft, 9, swivel plate, 10, flexible rod, 11, control volume, the 12, first spring, 13, the second spring, 14, the first moving body, the 15, second moving body, 16, connecting tube.
Embodiment
Elaborate to embodiments of the invention below in conjunction with accompanying drawing, the present embodiment, premised on technical solution of the present invention, give detailed mode of execution and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
embodiment
Embodiments of the invention as shown in Figures 1 to 4, the present invention includes suction tude 1, air filter 2, gas compressor 3, diesel engine 4, outlet pipe 5, turbine 6, baffler 7, running shaft 8, swivel plate 9, flexible rod 10, control volume 11, first spring 12, second spring 13, first moving body 14, second moving body 15, connecting tube 16, the suction port of diesel engine 4 is connected with the air outlet of suction tude 1, and the relief opening of diesel engine 4 is connected with the suction port of outlet pipe 5, air filter 2, gas compressor 3 is connected in turn in suction tude 1, turbine 6, baffler 7 is connected in turn on outlet pipe 5, and running shaft 8 is embedded on the outlet pipe 5 before turbine 6, and one end and the running shaft 8 of swivel plate 9 are consolidated, the first moving body 14, second moving body 15 is arranged in control volume 11, and the internal cavity cross section of control volume 11 is rectangular, the first moving body 14, the cross section of the second moving body 15 is rectangular, the first moving body 14, the longitudinal section of the second moving body 15 all cooperatively interacts with ramp structure, one end of flexible rod 10 and the other end of swivel plate 9 hinged, the other end of flexible rod 10 is through hinged with the lower wall surface of the second moving body 15 after the lower wall surface of control volume 11, the lower wall surface of the second moving body 15 is linked together with the lower wall surface of control volume 11 by the second spring 13, the right wall of the first moving body 14 is linked together with the right wall of control volume 11 by the first spring 12, one end of connecting tube 16 is connected with its internal cavity through after the right wall of control volume 11, the other end of connecting tube 16 and turbine 6, outlet pipe 5 between baffler 7 is connected.
In implementation process of the present invention, the first moving body 14 can move left and right in control volume 11, and the second moving body 15 can move up and down in control volume.When diesel engine 4 load is larger, outlet pipe 5 internal pressure between turbine 6, baffler 7 is larger, first moving body 14 is moved to the left and first spring 12 that stretches, under the elastic reaction of the second spring 13, the second moving body 15 moves up, thus make flexible rod 10 pull swivel plate 9 to be rotated counterclockwise, the throat area of turbine 6 front exhaust pipe 5 becomes large, and diesel engine 4 pumping loss is less; When diesel engine 4 load is less, outlet pipe 5 internal pressure between turbine 6, baffler 7 is less, under the stretching action of the first spring 12, the first moving body 14 moves right, second moving body 15 moves down and compresses the second spring 13, thus make flexible rod 10 pull swivel plate 9 to turn clockwise, the throat area of turbine 6 front exhaust pipe 5 diminishes, and diesel engine 4 can make full use of pulse energy.
Claims (2)
1. a mechanical type aditus laryngis controlling device, comprise suction tude (1), air filter (2), gas compressor (3), diesel engine (4), outlet pipe (5), turbine (6), baffler (7), the suction port of diesel engine (4) is connected with the air outlet of suction tude (1), the relief opening of diesel engine (4) is connected with the suction port of outlet pipe (5), air filter (2), gas compressor (3) is connected in turn in suction tude (1), turbine (6), baffler (7) is connected in turn on outlet pipe (5), it is characterized in that, also comprise running shaft (8), swivel plate (9), flexible rod (10), control volume (11), first spring (12), second spring (13), first moving body (14), second moving body (15), connecting tube (16), running shaft (8) is embedded on the front outlet pipe (5) of turbine (6), one end and the running shaft (8) of swivel plate (9) are consolidated, first moving body (14), second moving body (15) is arranged in control volume (11), the internal cavity cross section of control volume (11) is rectangular, first moving body (14), the cross section of the second moving body (15) is rectangular, first moving body (14), the longitudinal section of the second moving body (15) all cooperatively interacts with ramp structure, one end of flexible rod (10) and the other end of swivel plate (9) hinged, the other end of flexible rod (10) is through hinged with the lower wall surface of the second moving body (15) after the lower wall surface of control volume (11), the lower wall surface of the second moving body (15) is linked together by the lower wall surface of the second spring (13) with control volume (11), the right wall of the first moving body (14) is linked together by the right wall of the first spring (12) with control volume (11), one end of connecting tube (16) is connected with its internal cavity through after the right wall of control volume (11), the other end of connecting tube (16) and turbine (6), outlet pipe (5) between baffler (7) is connected.
2. mechanical type aditus laryngis controlling device according to claim 1, is characterized in that described first moving body (14), the second moving body (15) is stupalith.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510144618.XA CN104847477A (en) | 2015-03-30 | 2015-03-30 | Mechanical throat adjustment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510144618.XA CN104847477A (en) | 2015-03-30 | 2015-03-30 | Mechanical throat adjustment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104847477A true CN104847477A (en) | 2015-08-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510144618.XA Pending CN104847477A (en) | 2015-03-30 | 2015-03-30 | Mechanical throat adjustment device |
Country Status (1)
| Country | Link |
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| CN (1) | CN104847477A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105673188A (en) * | 2015-12-31 | 2016-06-15 | 上海交通大学 | Air pressure assisted type pipeline necking-down adjustment device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6295814B1 (en) * | 1997-04-23 | 2001-10-02 | Daimlerchrysler Ag | Internal-combustion engine with an exhaust gas turbocharger |
| CN102536433A (en) * | 2012-01-11 | 2012-07-04 | 康跃科技股份有限公司 | Staged flow-adjustable turbine shell |
| CN102562271A (en) * | 2012-02-07 | 2012-07-11 | 上海交通大学 | Turbocharging system with two rotating plates in front of turbine inlet |
| CN102817703A (en) * | 2012-08-21 | 2012-12-12 | 上海交通大学 | Adjustment system with post-pressure of air compressor as control pressure |
| CN103573389A (en) * | 2013-10-12 | 2014-02-12 | 上海交通大学 | Square tube device with chain |
| CN104358612A (en) * | 2014-12-07 | 2015-02-18 | 王春海 | Pipeline expansion mechanism |
-
2015
- 2015-03-30 CN CN201510144618.XA patent/CN104847477A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6295814B1 (en) * | 1997-04-23 | 2001-10-02 | Daimlerchrysler Ag | Internal-combustion engine with an exhaust gas turbocharger |
| CN102536433A (en) * | 2012-01-11 | 2012-07-04 | 康跃科技股份有限公司 | Staged flow-adjustable turbine shell |
| CN102562271A (en) * | 2012-02-07 | 2012-07-11 | 上海交通大学 | Turbocharging system with two rotating plates in front of turbine inlet |
| CN102817703A (en) * | 2012-08-21 | 2012-12-12 | 上海交通大学 | Adjustment system with post-pressure of air compressor as control pressure |
| CN103573389A (en) * | 2013-10-12 | 2014-02-12 | 上海交通大学 | Square tube device with chain |
| CN104358612A (en) * | 2014-12-07 | 2015-02-18 | 王春海 | Pipeline expansion mechanism |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105673188A (en) * | 2015-12-31 | 2016-06-15 | 上海交通大学 | Air pressure assisted type pipeline necking-down adjustment device |
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| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
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Application publication date: 20150819 |