CN103233822A - Constant-pressure exhaust braking method and low-cost constant-pressure exhaust braking butterfly valve - Google Patents
Constant-pressure exhaust braking method and low-cost constant-pressure exhaust braking butterfly valve Download PDFInfo
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- CN103233822A CN103233822A CN2013101546225A CN201310154622A CN103233822A CN 103233822 A CN103233822 A CN 103233822A CN 2013101546225 A CN2013101546225 A CN 2013101546225A CN 201310154622 A CN201310154622 A CN 201310154622A CN 103233822 A CN103233822 A CN 103233822A
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Abstract
The invention discloses a constant-pressure exhaust braking method. The method comprises the steps of arranging a valve, arranging a rotary shaft to penetrate through the valve, fixing a valve sheet on the rotary shaft, arranging a gas inlet on the valve sheet, and fixing a constant-pressure exhaust component at the gas inlet; fixing the valve on a mounting plate, fixing the tail end of a cylinder on the mounting plate, fixing a swing arm at the top end of the rotary shaft, and hinging the tail end of an output shaft of the cylinder with the tail end of the swing arm; and fixing the valve at an exhaust port of a motor. When the motor is required to be braked, the rotary shaft is driven by the cylinder, and an exhaust pipe is sealed by the valve sheet, so that back pressure is produced by the motor exhaust, the constant-pressure exhaust component is opened due to gas pressure when the back pressure reaches a set constant-pressure value, and when the back pressure is lower than the set constant-pressure value, the constant-pressure exhaust component is closed, the constant-pressure exhaust component is controlled by the back pressure to be closed and opened repeatedly, and automatic constant-pressure exhaust is achieved. The invention further discloses a low-cost constant-pressure exhaust braking butterfly valve.
Description
Technical field
The present invention relates to the exhaust butterfly valve, particularly a kind of constant voltage exhaust brake method and a kind of low-cost constant voltage exhaust brake butterfly valve of implementing this method.
Background technique
Exhaust brake is a kind of complemental brake system of vehicle, need not use or use less traditional friction brake, just can be with vehicle control in certain safety speed scope, the prevention car brakeing is malfunctioning, guarantee traffic safety, constant voltage exhaust brake butterfly valve is a kind of auxiliary brake of vehicle.
Existing constant voltage exhaust brake butterfly valve, its complex structure, and also design is rationally perfect inadequately, and the sealability of product is bad, pressure release is sensitive inadequately, often causes back pressure constant inadequately, influences braking effect, and too Fu Za structure causes the maintenance difficulty, influences working efficiency.
Summary of the invention
The objective of the invention is to, at the problems referred to above, provide a kind of constant voltage exhaust brake method, its process is simple, implements easily.
The present invention also provides a kind of low-cost constant voltage exhaust brake butterfly valve of implementing said method.
The technological scheme that the present invention adopts for achieving the above object is:
A kind of constant voltage exhaust brake method, it may further comprise the steps:
(1) valve body is set, this valve body is provided with the exhaust passage, the wall that passes this valve body arranges a rotating shaft rotationally, in this rotating shaft, fix a valve block for this exhaust passage of sealing, this valve block is provided with an inlet hole, and the constant voltage discharge means that can regulate constant voltage numerical value is fixed on this inlet hole;
(2) this valve body is fixed on the mounting plate, the end of a cylinder is fixed on this mounting plate, fixedly there is a swing arm on this rotating shaft top, and the terminal end with this swing arm of the output shaft of this cylinder is hinged;
(3) this valve body is fixed to the engine exhaust port place, this exhaust passage is connected with engine exhaust port;
(4) when the motor proper functioning, cylinder pulling rotating shaft makes valve block parallel with the medial axis of exhaust passage, and this is initial position, and this moment, engine exhaust was smooth and easy, did not produce back pressure, did not influence the motor proper functioning;
(5) when motor need be braked, cylinder drives rotating shaft, and rotating shaft is rotated valve block is sealed exhaust duct, and this is the working position, makes engine exhaust produce back pressure, and this moment, motor began braking;
(6) when back pressure reaches the constant voltage numerical value of setting, air pressure is opened this constant voltage discharge means, gas is discharged from the constant voltage discharge means, when back pressure is lower than the constant voltage numerical value of setting, the constant voltage discharge means is closed, thereby back pressure raises, and reaches the constant voltage numerical value of setting up to back pressure, control this constant voltage discharge means by back pressure and back and forth open and close, realize the automatic purpose of constant voltage exhaust.
Described constant voltage discharge means comprises piston sleeve, piston, spring and adjusting screw, this piston sleeve is fixed on the valve block over against described inlet hole, the joint sealing of this piston sleeve and valve block, this piston can be arranged at the front end of this piston sleeve slidingly back and forth, the rotatable rear end that is arranged at this piston sleeve movably of this adjusting screw, this spring is arranged between this adjusting screw and the piston, the front end of this piston sleeve is to being provided with an air outlet hole in the piston place, pass through the elasticity of this adjusting screw Regulation spring as required, thereby set back pressure numerical value.
Be provided with penetration hole accordingly on the upper and lower wall of this valve body, the top of this rotating shaft is provided with a shaft shoulder, and the hole wall that runs through on this shaft shoulder and the valve body upper wall surface matches and forms a groove, is provided with a gasket seal in this groove.
The bottom of this rotating shaft is arranged in the penetration hole on this valve body lower wall surface rotationally, and the end of this penetration hole is provided with a plug and a pressing plate successively.
A kind of low-cost constant voltage exhaust brake butterfly valve of implementing aforementioned constant voltage exhaust brake method, it comprises a valve body, this valve body is provided with the exhaust passage, the wall that passes this valve body is provided with a rotating shaft rotationally, in this rotating shaft, fix a valve block for this exhaust passage of sealing, this valve block is provided with an inlet hole, the one constant voltage discharge means that can regulate constant voltage numerical value is fixed on this inlet hole, this valve body is fixed on the mounting plate, the end of one cylinder is fixed on this mounting plate, fixedly there is a swing arm on this rotating shaft top, and the terminal end with this swing arm of the output shaft of this cylinder is hinged.
Described constant voltage discharge means comprises piston sleeve, piston, spring and adjusting screw, this piston sleeve is fixed on the valve block over against described inlet hole, the joint sealing of this piston sleeve and valve block, this piston can be arranged at the front end of this piston sleeve slidingly back and forth, the rotatable rear end that is arranged at this piston sleeve movably of this adjusting screw, this spring is arranged between this adjusting screw and the piston, the front end of this piston sleeve is to being provided with an air outlet hole in the piston place, pass through the elasticity of this adjusting screw Regulation spring as required, thereby set back pressure numerical value.
Be provided with penetration hole accordingly on the upper and lower wall of this valve body, the top of this rotating shaft is provided with a shaft shoulder, and the hole wall that runs through on this shaft shoulder and the valve body upper wall surface matches and forms a groove, is provided with a gasket seal in this groove.
The bottom of this rotating shaft is arranged in the penetration hole on this valve body lower wall surface rotationally, and the end of this penetration hole is provided with a plug and a pressing plate successively.
Be provided with a mounting plane in the middle part of this rotating shaft, this valve block is fixed on this mounting plane.
This valve block is fixed on this mounting plane by two set screws.
Beneficial effect of the present invention is: the inventive method process is simple, implement easily, product structure is rationally ingenious, the constant voltage discharge means is arranged on the valve block, thus pressure release sensitivity, simple and timely, sealing effect is good, reliable product quality is stable, can keep constant back pressure, adjusts the back pressure set value easily as required, product is convenient to maintenance, and braking effect is good.
Below in conjunction with accompanying drawing and embodiment, the present invention is further described.
Description of drawings
Fig. 1 is perspective view of the present invention;
Fig. 2 is broken section Fig. 1 of the present invention;
Fig. 3 is broken section Fig. 2 of the present invention.
Embodiment
Embodiment: see Fig. 1 to Fig. 3, a kind of constant voltage exhaust brake of the present invention method, it may further comprise the steps:
(1) valve body 1 is set, this valve body 1 is provided with exhaust passage 11, the wall that passes this valve body 1 arranges a rotating shaft 2 rotationally, in this rotating shaft 2, fix a valve block 3 for this exhaust passage 11 of sealing, this valve block 3 is provided with an inlet hole 31, and can regulates the constant voltage discharge means 4 of constant voltage numerical value and be fixed on this inlet hole 31;
(2) this valve body 1 is fixed on the mounting plate 5, the end of a cylinder 6 is fixed on this mounting plate 5, fixedly there is a swing arm 7 on these rotating shaft 2 tops, and the terminal end with this swing arm 7 of the output shaft of this cylinder 6 is hinged;
(3) this valve body 1 is fixed to the engine exhaust port place, this exhaust passage 11 is connected with engine exhaust port;
(4) when the motor proper functioning, cylinder 6 pulling rotating shafts 2 make valve block 3 parallel with the medial axis of exhaust passage 11, and this is initial position A, and this moment, engine exhaust was smooth and easy, did not produce back pressure, did not influence the motor proper functioning;
(5) when motor need be braked, cylinder 6 drives rotating shaft 2, and rotating shaft 2 is rotated and made valve block 3 with the exhaust duct sealing, and this is working position B, makes engine exhaust produce back pressure, and this moment, motor began braking;
(6) when back pressure reaches the constant voltage numerical value of setting, air pressure is opened this constant voltage discharge means 4, gas is discharged from constant voltage discharge means 4, when back pressure is lower than the constant voltage numerical value of setting, constant voltage discharge means 4 is closed, thereby back pressure raises, and reaches the constant voltage numerical value of setting up to back pressure, control this constant voltage discharge means 4 by back pressure and back and forth open and close, realize the automatic purpose of constant voltage exhaust.
Described constant voltage discharge means 4 comprises piston sleeve 41, piston 42, spring 43 and adjusting screw 44, this piston sleeve 41 is fixed on the valve block 3 over against described inlet hole 31, this piston sleeve 41 seals with the joint of valve block 3, this piston 42 can be arranged at the front end of this piston sleeve 41 slidingly back and forth, these adjusting screw 44 rotatable rear ends that are arranged at this piston sleeve 41 movably, this spring 43 is arranged between this adjusting screw 44 and the piston 42, the front end of this piston sleeve 41 is to being provided with an air outlet hole 411 in piston 42 places, pass through the elasticity of these adjusting screw 44 Regulation springs 43 as required, thereby set back pressure numerical value.
Be provided with penetration hole accordingly on the upper and lower wall of this valve body 1, the top of this rotating shaft 2 is provided with a shaft shoulder, and the hole wall that runs through on this shaft shoulder and valve body 1 upper wall surface matches and forms a groove, is provided with a gasket seal 8 in this groove.
The bottom of this rotating shaft 2 is arranged in the penetration hole on this valve body 1 lower wall surface rotationally, and the end of this penetration hole is provided with a plug 9 and a pressing plate 10 successively.
A kind of low-cost constant voltage exhaust brake butterfly valve of implementing aforementioned constant voltage exhaust brake method, it comprises a valve body 1, this valve body 1 is provided with exhaust passage 11, the wall that passes this valve body 1 is provided with a rotating shaft 2 rotationally, in this rotating shaft 2, fix a valve block 3 for this exhaust passage 11 of sealing, this valve block 3 is provided with an inlet hole 31, the one constant voltage discharge means 4 that can regulate constant voltage numerical value is fixed on this inlet hole 31, this valve body 1 is fixed on the mounting plate 5, the end of one cylinder 6 is fixed on this mounting plate 5, fixedly there is a swing arm 7 on these rotating shaft 2 tops, and the terminal end with this swing arm 7 of the output shaft of this cylinder 6 is hinged.
Described constant voltage discharge means 4 comprises piston sleeve 41, piston 42, spring 43 and adjusting screw 44, this piston sleeve 41 is fixed on the valve block 3 over against described inlet hole 31, this piston sleeve 41 seals with the joint of valve block 3, this piston 42 can be arranged at the front end of this piston sleeve 41 slidingly back and forth, these adjusting screw 44 rotatable rear ends that are arranged at this piston sleeve 41 movably, this spring 43 is arranged between this adjusting screw 44 and the piston 42, the front end of this piston sleeve 41 is to being provided with an air outlet hole 411 in piston 42 places, pass through the elasticity of these adjusting screw 44 Regulation springs 43 as required, thereby set back pressure numerical value.
Be provided with penetration hole accordingly on the upper and lower wall of this valve body 1, the top of this rotating shaft 2 is provided with a shaft shoulder, and the hole wall that runs through on this shaft shoulder and valve body 1 upper wall surface matches and forms a groove, is provided with a gasket seal 8 in this groove.
The bottom of this rotating shaft 2 is arranged in the penetration hole on this valve body 1 lower wall surface rotationally, and the end of this penetration hole is provided with a plug 9 and a pressing plate 10 successively.
Be provided with a mounting plane 21 in the middle part of this rotating shaft 2, this valve block 3 is fixed on this mounting plane.
This valve block 3 is fixed on this mounting plane by two set screws 22.
When the motor proper functioning, cylinder 6 pulling rotating shafts 2 make valve block 3 parallel with the medial axis of exhaust passage 11, and this is initial position, and this moment, engine exhaust was smooth and easy, did not produce back pressure, did not influence the motor proper functioning; When motor need be braked, cylinder 6 drove rotating shaft 2, and rotating shaft 2 is rotated and made valve block 3 with the exhaust duct sealing, and this is the working position, makes engine exhaust produce back pressure, and this moment, motor began braking; When back pressure reaches the constant voltage numerical value of setting, gas pressure is greater than the thrust of spring 43, piston 42 is mobile backward, make that the air outlet hole 411 on the piston sleeve 41 is communicated with inlet hole 31 on the valve block 3, thereby gas is from 4 discharges of constant voltage discharge means, when back pressure is lower than the constant voltage numerical value of setting, constant voltage discharge means 4 is closed, thereby back pressure raises, and reaches the constant voltage numerical value of setting up to back pressure, control this constant voltage discharge means 4 by back pressure and back and forth open and close, realize the automatic purpose of constant voltage exhaust.
The inventive method process is simple, implement easily, product structure is rationally ingenious, constant voltage discharge means 4 is arranged on the valve block 3, thus pressure release sensitivity, simple and timely, sealing effect is good, reliable product quality is stable, can keep constant back pressure, adjusts the back pressure set value easily as required, product is convenient to maintenance, and braking effect is good.
As described in the embodiment of the invention, with other constant voltage exhaust brake methods and the low-cost constant voltage exhaust brake butterfly valve of the same or similar structure of the present invention, all in protection domain of the present invention.
Claims (10)
1. constant voltage exhaust brake method is characterized in that it may further comprise the steps:
(1) valve body is set, this valve body is provided with the exhaust passage, the wall that passes this valve body arranges a rotating shaft rotationally, in this rotating shaft, fix a valve block for this exhaust passage of sealing, this valve block is provided with an inlet hole, and the constant voltage discharge means that can regulate constant voltage numerical value is fixed on this inlet hole;
(2) this valve body is fixed on the mounting plate, the end of a cylinder is fixed on this mounting plate, fixedly there is a swing arm on this rotating shaft top, and the terminal end with this swing arm of the output shaft of this cylinder is hinged;
(3) this valve body is fixed to the engine exhaust port place, this exhaust passage is connected with engine exhaust port;
(4) when the motor proper functioning, cylinder pulling rotating shaft makes valve block parallel with the medial axis of exhaust passage, and this is initial position, and this moment, engine exhaust was smooth and easy, did not produce back pressure, did not influence the motor proper functioning;
(5) when motor need be braked, cylinder drives rotating shaft, and rotating shaft is rotated valve block is sealed exhaust duct, and this is the working position, makes engine exhaust produce back pressure, and this moment, motor began braking;
(6) when back pressure reaches the constant voltage numerical value of setting, air pressure is opened this constant voltage discharge means, gas is discharged from the constant voltage discharge means, when back pressure is lower than the constant voltage numerical value of setting, the constant voltage discharge means is closed, thereby back pressure raises, and reaches the constant voltage numerical value of setting up to back pressure, control this constant voltage discharge means by back pressure and back and forth open and close, realize the automatic purpose of constant voltage exhaust.
2. according to the described constant voltage exhaust brake of claim 1 method, it is characterized in that, described constant voltage discharge means comprises piston sleeve, piston, spring and adjusting screw, this piston sleeve is fixed on the valve block over against described inlet hole, the joint sealing of this piston sleeve and valve block, this piston can be arranged at the front end of this piston sleeve slidingly back and forth, the rotatable rear end that is arranged at this piston sleeve movably of this adjusting screw, this spring is arranged between this adjusting screw and the piston, and the front end of this piston sleeve is to being provided with an air outlet hole in the piston place.
3. according to the described constant voltage exhaust brake of claim 1 method, it is characterized in that, be provided with penetration hole accordingly on the upper and lower wall of this valve body, the top of this rotating shaft is provided with a shaft shoulder, the hole wall that runs through on this shaft shoulder and the valve body upper wall surface matches and forms a groove, is provided with a gasket seal in this groove.
4. according to the described constant voltage exhaust brake of claim 3 method, it is characterized in that the bottom of this rotating shaft is arranged in the penetration hole on this valve body lower wall surface rotationally, the end of this penetration hole is provided with a plug and a pressing plate successively.
5. low-cost constant voltage exhaust brake butterfly valve of implementing the described constant voltage exhaust brake of claim 1 method, it comprises a valve body, it is characterized in that: this valve body is provided with the exhaust passage, the wall that passes this valve body is provided with a rotating shaft rotationally, in this rotating shaft, fix a valve block for this exhaust passage of sealing, this valve block is provided with an inlet hole, the one constant voltage discharge means that can regulate constant voltage numerical value is fixed on this inlet hole, this valve body is fixed on the mounting plate, the end of one cylinder is fixed on this mounting plate, fixedly there is a swing arm on this rotating shaft top, and the terminal end with this swing arm of the output shaft of this cylinder is hinged.
6. low-cost constant voltage exhaust brake butterfly valve according to claim 5, it is characterized in that, described constant voltage discharge means comprises piston sleeve, piston, spring and adjusting screw, this piston sleeve is fixed on the valve block over against described inlet hole, the joint sealing of this piston sleeve and valve block, this piston can be arranged at the front end of this piston sleeve slidingly back and forth, the rotatable rear end that is arranged at this piston sleeve movably of this adjusting screw, this spring is arranged between this adjusting screw and the piston, and the front end of this piston sleeve is to being provided with an air outlet hole in the piston place.
7. low-cost constant voltage exhaust brake butterfly valve according to claim 5, it is characterized in that, be provided with penetration hole accordingly on the upper and lower wall of this valve body, the top of this rotating shaft is provided with a shaft shoulder, the hole wall that runs through on this shaft shoulder and the valve body upper wall surface matches and forms a groove, is provided with a gasket seal in this groove.
8. low-cost constant voltage exhaust brake butterfly valve according to claim 7 is characterized in that, the bottom of this rotating shaft is arranged in the penetration hole on this valve body lower wall surface rotationally, and the end of this penetration hole is provided with a plug and a pressing plate successively.
9. low-cost constant voltage exhaust brake butterfly valve according to claim 5 is characterized in that be provided with a mounting plane in the middle part of this rotating shaft, this valve block is fixed on this mounting plane.
10. low-cost constant voltage exhaust brake butterfly valve according to claim 9 is characterized in that this valve block is fixed on this mounting plane by two set screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310154622.5A CN103233822B (en) | 2013-04-28 | 2013-04-28 | A kind of constant voltage exhaust brake method and this constant voltage exhaust brake butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310154622.5A CN103233822B (en) | 2013-04-28 | 2013-04-28 | A kind of constant voltage exhaust brake method and this constant voltage exhaust brake butterfly valve |
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| Publication Number | Publication Date |
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| CN103233822A true CN103233822A (en) | 2013-08-07 |
| CN103233822B CN103233822B (en) | 2016-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310154622.5A Active CN103233822B (en) | 2013-04-28 | 2013-04-28 | A kind of constant voltage exhaust brake method and this constant voltage exhaust brake butterfly valve |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106089449A (en) * | 2016-07-29 | 2016-11-09 | 中国北方发动机研究所(天津) | Exhaust braking |
| CN107351647A (en) * | 2017-07-13 | 2017-11-17 | 徐州徐工矿山机械有限公司 | Mining articulated truck loading space heater and mining articulated truck |
| CN107747516A (en) * | 2017-09-29 | 2018-03-02 | 杰锋汽车动力系统股份有限公司 | A kind of gas extraction system exhaust structure and its control method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101251049A (en) * | 2007-07-15 | 2008-08-27 | 李瑞强 | Exhaust brake capable of adjusting working pressure |
| CN201354655Y (en) * | 2009-01-22 | 2009-12-02 | 浙江益新机械制造有限公司 | Engine exhaust auxiliary brake |
| CN201982180U (en) * | 2011-03-23 | 2011-09-21 | 济南百惠汽车零部件有限责任公司 | Constant-pressure exhaust braking butterfly valve for auxiliary braking of engine exhaust |
| CN202381175U (en) * | 2012-01-04 | 2012-08-15 | 安徽江淮汽车股份有限公司 | Auxiliary exhaust brake assembly |
| CN102852652A (en) * | 2012-09-18 | 2013-01-02 | 浙江亿日气动科技有限公司 | Pressure-limiting venting auxiliary brake valve device with air vent screw plug |
-
2013
- 2013-04-28 CN CN201310154622.5A patent/CN103233822B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101251049A (en) * | 2007-07-15 | 2008-08-27 | 李瑞强 | Exhaust brake capable of adjusting working pressure |
| CN201354655Y (en) * | 2009-01-22 | 2009-12-02 | 浙江益新机械制造有限公司 | Engine exhaust auxiliary brake |
| CN201982180U (en) * | 2011-03-23 | 2011-09-21 | 济南百惠汽车零部件有限责任公司 | Constant-pressure exhaust braking butterfly valve for auxiliary braking of engine exhaust |
| CN202381175U (en) * | 2012-01-04 | 2012-08-15 | 安徽江淮汽车股份有限公司 | Auxiliary exhaust brake assembly |
| CN102852652A (en) * | 2012-09-18 | 2013-01-02 | 浙江亿日气动科技有限公司 | Pressure-limiting venting auxiliary brake valve device with air vent screw plug |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106089449A (en) * | 2016-07-29 | 2016-11-09 | 中国北方发动机研究所(天津) | Exhaust braking |
| CN106089449B (en) * | 2016-07-29 | 2019-04-05 | 中国北方发动机研究所(天津) | Exhaust braking |
| CN107351647A (en) * | 2017-07-13 | 2017-11-17 | 徐州徐工矿山机械有限公司 | Mining articulated truck loading space heater and mining articulated truck |
| CN107747516A (en) * | 2017-09-29 | 2018-03-02 | 杰锋汽车动力系统股份有限公司 | A kind of gas extraction system exhaust structure and its control method |
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| CN103233822B (en) | 2016-05-11 |
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Address after: A1406, building 12, Shenzhen Bay science and technology ecological park, No. 18, Keji South Road, high tech Zone, Yuehai street, Nanshan District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Dawei Innovation Technology Co., Ltd Address before: 518000, building 12, No. two Shenzhen Software Park, Nanshan District science and technology, Shenzhen, Guangdong 301, China Patentee before: SHENZHEN TERCA TECHNOLOGY Co.,Ltd. |