CN1052825A - The Pneumatic braking device that utilizes inertia kinetic energy to promote - Google Patents
The Pneumatic braking device that utilizes inertia kinetic energy to promote Download PDFInfo
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- CN1052825A CN1052825A CN 89106890 CN89106890A CN1052825A CN 1052825 A CN1052825 A CN 1052825A CN 89106890 CN89106890 CN 89106890 CN 89106890 A CN89106890 A CN 89106890A CN 1052825 A CN1052825 A CN 1052825A
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- air compressor
- braking device
- air
- control cock
- brake
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- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
- Braking Arrangements (AREA)
Abstract
The invention discloses the inertia kinetic energy that a kind of power actuated vehicle utilization produces in travelling and promote the air compressor acting, and be used, thereby reach the Pneumatic braking device of the purpose of braking with control cock, limiting valve.It is reasonable that this device has compact conformation, flexible to operation, and driving engine can stop working during descending.Reduced consumption of power, saved fuel oil, advantages such as air compressor long service life are applicable to automobile, trac. application.
Description
The present invention relates to the Pneumatic braking device of a kind of Pneumatic braking device, particularly automobile, trac. use.
Existing automobile, the trac. of compressed air brake of using all has air compressor, and its power resources are driving engines of automobile, trac. self.It has consumed driving engine part power, and if engine running, air compressor is also just being followed and is being rotated, even when automobile, trac. downhill running, driving engine is also inaccurate flame-out, and air compressor also will work without cessation, comparatively speaking, the service life of air compressor is lower.
The Pneumatic braking device that the objective of the invention is to provide a kind of inertia kinetic energy that utilizes automobile, trac. to produce in travelling to promote is with saving in power with improve the compressor life-span.
The present invention is achieved in that the 4th lengthening of a gear box of tractor, load onto the air compressor that has friction cone clutch, fixing eccentric pin shaft (playing the effect of bent axle) on the friction cone, an end and the eccentric pin shaft of connecting rod are hinged, and the other end links to each other with piston.Friction cone clutch in conjunction with the time and the 4th of change speed gear box together rotate, thereby drive piston reciprocates.Air compressor begins acting, to the inflator inflation of standing for a long while.Trac. is slowing-down brake constantly in the process of moving, during brake, left foot is stepped on tractor clutch's pedal earlier, disengage the clutch, at this moment the 4th disengagement in the power of driving engine and the change speed gear box, the right crus of diaphragm pedal that touches on the brake again then is owing to the reason of inertia, trac. still will move on (even when sudden stop, trac. still will advance one section rational braking distance).Turn around and form tractor driving wheel and promoting the 4th rotation of change speed gear box, utilize inertia kinetic energy to promote the air compressor acting thereby reach, and with control cock and the supporting use of limiting valve, finally reach the purpose of braking.
Be described in detail the present invention below in conjunction with example and accompanying drawing thereof:
Fig. 1 is the air braking system scheme drawing.
Fig. 2 is the air compressor cutaway view.
Fig. 3 is the control cock cutaway view.
Fig. 4 is the limiting valve cutaway view.
Fig. 5 is the cutaway view of Fig. 2 along the A-A line.
On 12 horsepowers of trac.s that with 195 diesel engines are power, former air compressor is dismantled, installed and used this Pneumatic braking device.Found out by Fig. 1: this device is made up of air compressor 6, control cock 4, limiting valve 9, control cock pull bar 3 and T-pipe joint 8 etc.Be the part of whole brake system, other of brake system be parts in addition, are that former trac. wears.
The control cock 4, limiting valve 9, control cock pull bar 3 and the T-pipe joint 8 that increase are installed in the gas circuit respectively.
Found out by Fig. 2: the 4th 13 lengthening of gear box of tractor, axle head mills out spline.The air compressor 6 that has friction cone clutch 14, its body 42 usefulness hexagonal double-ended bolts 12 are fixed on the trac. fuselage; Friction taper sleeve 15 slides on the spline of the 4th 13 of change speed gear box; Copper sheathing 45 is housed in the friction cone 17, and changes with the spindle nose of the 4th 13 of change speed gear box and to cooperate, also fixing eccentric pin shaft 43 on it; One end of connecting rod 18 cooperates with eccentric pin shaft 43 commentaries on classics through copper sheathing 44, and the other end cooperates with piston pin 21 commentaries on classics through copper sheathing 20; Piston pin 21 and piston ring 22 are housed on the piston 19; Cylinder body 23 and cylinder cap 29 usefulness thru-bolts 25 are fixed on the body 42; Airfilter 32 is housed, air inlet valve 30, air outlet valve 27 and freeing pipe joint 24 on the cylinder cap 29; Machine body cover 41 is fixed on the fuselage 42, and reaction plate 34 also is housed on it, spring 35, movable block 36, rubber diaphragm 37, double-screw bolt 38 with holes and adaptor union 39; Referring to Fig. 5, movable block 36 and shift fork 16 weld togethers, effect is a pressurized air when adaptor union 39 is entered, and promotes rubber diaphragm 37 and is moved to the left, it is mobile that movable block 36 and shift fork 16 are also followed, and friction taper sleeve 15 is separated with friction cone 17.After pressurized air was run away, spring 35 returns can make friction taper sleeve 15 combine with friction cone 17 again.
Found out by Fig. 3: control cock 4 is by jam nut 47 hollow shafts 48, and upper shell 49, spring 50, bolt pair 52, sheet rubber 53, circular nut 54, middle shell 55, valve gap 56, spring 57 and lower house 58 are formed, and sheet rubber 53 seals.Housing 49,55,58 usefulness bolt pairs 52 in upper, middle and lower link together.Have air gate 65 on the hollow shaft 48.Boss 64 and air flue hole 46 are arranged on the middle shell 55.Ventilation breach 51 is arranged on the valve gap 56.
Found out by Fig. 4: limiting valve 9 is by adjusting screw rod 59 lockings, and nut 60 valve bodies, 61 springs 62 and steel ball 63 are formed.The size of 62 pairs of steel ball 63 pressure of advance and retreat adjustable springs by adjusting screw rod 59, adjust to required pressure after, tighten jam nut 60, can be adjusting screw rod 59 locking positionings.The air pressure that this device uses is lower than 5 kilograms per centimeter
2The time, limiting valve 9 cuts out; Be equal to or greater than 5 kilograms per centimeter
2The time, limiting valve is opened.
During not by this Pneumatic braking device of dress, the principle of work of former brake system is: diesel engine drives former Air compressor acting, and to air tank 7 inflations, brake valve 10 communicates with air tank by tracheae 5.During brake, step on brake pedal 2, Fu brake valve pull bar 1 backs down brake valve 10, and pressurized air enters brake chamber through tracheae 11, thereby reaches the purpose of brake.
The principle of work of this Pneumatic braking device is: during brake, left foot is stepped on tractor clutch's pedal earlier, disengage the clutch, at this moment the 4th disengagement of the power of diesel engine and change speed gear box, that is to say that this moment, trac. was to continue to slide forward by inertia, then, right crus of diaphragm is stepped on brake pedal 2, when the stroke of brake pedal 2 hour (being called one stroke), Fu brake valve pull bar 1 is in the play motion stage (being that brake valve 10 is not opened as yet), Fu control cock pull bar 3 then stretchy hollow shaft 48 other end that moves hollow shaft 48 moves in the boss 64, valve gap 56 is under the promotion of spring 57, abut against the gas passage of having closed on the boss 64 in the lower house 58, residual pressurized air in the rubber diaphragm 37 of air compressor 6 is under the promotion of spring 35, through adaptor union 39, middle shell 55, air flue hole 46, air gate 65 exhaust to atmospheres, at this moment friction taper sleeve 15 combines with friction cone 17, air compressor 6 begins acting, to air tank 7 inflations; Pedal 2(is called two strokes if continue to touch on the brake downwards), Fu brake valve pull bar 1 just can back down brake valve 10, pressurized air enters brake chamber through tracheae 11, thereby reach the purpose of brake, realized also simultaneously that in brake air compressor 6 actings replenish the tolerance that is consumed in the air tank 7.When not touching on the brake pedal 2, hollow shaft 48 is got back to original position under the promotion of spring 50.
In order to guarantee in time to obtain after usefulness gas or the gas leakage friction taper sleeve 15 and friction cone 17 reliable connection of supplementary sum air compressor 6, in gas circuit, increased limiting valve 9.Its effect is that the air pressure in air tank 7 is equal to or greater than 5 kilograms per centimeter
2The time, pressurized air is backed down steel ball 63, in the lower house 58 of endoporus control of access valve 4 through adjusting screw rod 59, promoting rubber diaphragm 37 through ventilation breach 51, air flue hole 46, middle shell 55, adaptor union 39 again is moved to the left, thereby drive movable block 36, shift fork 16 are moved to the left together, friction taper sleeve 15 is separated with friction cone 17, and air compressor 6 stops acting; Otherwise air pressure is lower than 5 kilograms per centimeter
2The time, steel ball 63 cuts out air flue under the promotion of spring 62, and air compressor recovers acting.In the trac. driving process, this air compressor 6 to be started and shut down be automatically controlled.In brief: air pressure is lower than 5 kilograms per centimeter
2The time air compressor 6 start; Be equal to or greater than 5 kilograms per centimeter
2The time, air compressor 6 shuts down.
Here need to prove: after trac. stops for a long time, pressurized air in the air tank 7 is all run away, and when starting once more, utilize the power of diesel engine to drive the air compressor acting earlier, after the starting, only need travel 3～5 meters just to reach the air pressure of air tank 7 barometric minimum that starting requires.This is that the diameter of piston of former air compressor is 40 millimeters, now is 70 millimeters because air compressor 6 amounts of calming the anger of this Pneumatic braking device are than big many of former air compressor, and existing air compressor stroke is the twice of former air compressor.Calculate: the piston reciprocating travel once, the amount of calming the anger of existing air compressor 6 is 6 times of former air compressor.Diesel-engined drive trac. 3～5 meters power that consumed that travel are very little.Behind the cruising, then no longer use the power of diesel engine.
The advantage of this pneumatic means
1. deduct the power that consumes on air compressor, improved power performance.
2. saving fuel oil. Worked 8 hours every day such as 12 horsepowers of tractors, can save 2～4 kilograms of diesel oil.
3. compact conformation is reasonable, and is flexible to operation, and driver's operation is with original the same.
4. during descending, diesel engine can shut down.
5. some inertia kinetic energy is used in and drives in the air compressor acting when braking, and has consumed a part of inertia, thereby can shorten stopping distance.
6. owing to be to drive the air compressor running, can use the piston of big straight warp, with the raising amount of calming the anger with inertia kinetic energy.
7. air compressor is to turn round off and on, ceaselessly turns round with former air compressor and compares, and can prolong greatly service life.
The present invention can widespread use on automobile, trac., also can be applicable on the train through improving.
Claims (6)
1, the gas braking device that uses of a kind of automobile, trac. is characterized in that utilizing the inertia kinetic energy that produces in travelling to promote air compressor [6] acting, and with control cock [4] and the supporting use of limiting valve [9].
2, air compressor according to claim 1 [6], its feature is equipped with friction cone clutch [14].
3, friction cone clutch according to claim 2 [14] is characterized in that being installed on the change speed gear box the 4th [13] of lengthening.
4, according to right 1 described Pneumatic braking device, it is characterized in that control cock [4] communicates with air compressor [6], limiting valve [9] and control cock [4], air compressor [6] communicates.
5, control cock according to claim 1 [4] is characterized in that being equipped with in the valve hollow shaft [48], and when stepping on brake pedal [2], after the displacement of pulling hollow shaft [48], the residual pressurized air in rubber diaphragm [37] chamber can be discharged from air gate [65].
6, Pneumatic braking device according to claim 1 is characterized in that brake pedal [2] can handle control cock [4] and brake valve [10] simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 89106890 CN1052825A (en) | 1989-12-30 | 1989-12-30 | The Pneumatic braking device that utilizes inertia kinetic energy to promote |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 89106890 CN1052825A (en) | 1989-12-30 | 1989-12-30 | The Pneumatic braking device that utilizes inertia kinetic energy to promote |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1052825A true CN1052825A (en) | 1991-07-10 |
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ID=4856959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 89106890 Pending CN1052825A (en) | 1989-12-30 | 1989-12-30 | The Pneumatic braking device that utilizes inertia kinetic energy to promote |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1052825A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101486341B (en) * | 2008-01-14 | 2011-04-13 | 阎朝安 | Brake safe energy-saving emission-reducing apparatus of automobile |
| CN103253239A (en) * | 2013-05-10 | 2013-08-21 | 浙江吉利汽车研究院有限公司杭州分公司 | Car intelligent intermittent defrosting method |
| CN103863287A (en) * | 2012-12-18 | 2014-06-18 | 于绪东 | Auxiliary pneumatic brake and brake braking component and tire cooling and temperature-reducing scheme |
| CN104121474A (en) * | 2014-06-30 | 2014-10-29 | 潍柴动力股份有限公司 | Vehicle and inflation system thereof as well as inflation method |
-
1989
- 1989-12-30 CN CN 89106890 patent/CN1052825A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101486341B (en) * | 2008-01-14 | 2011-04-13 | 阎朝安 | Brake safe energy-saving emission-reducing apparatus of automobile |
| CN103863287A (en) * | 2012-12-18 | 2014-06-18 | 于绪东 | Auxiliary pneumatic brake and brake braking component and tire cooling and temperature-reducing scheme |
| CN103253239A (en) * | 2013-05-10 | 2013-08-21 | 浙江吉利汽车研究院有限公司杭州分公司 | Car intelligent intermittent defrosting method |
| CN103253239B (en) * | 2013-05-10 | 2016-01-27 | 浙江吉利汽车研究院有限公司杭州分公司 | A kind of car intelligent intermittent Defrost method |
| CN104121474A (en) * | 2014-06-30 | 2014-10-29 | 潍柴动力股份有限公司 | Vehicle and inflation system thereof as well as inflation method |
| CN104121474B (en) * | 2014-06-30 | 2016-07-06 | 潍柴动力股份有限公司 | Vehicle and gas charging system, inflation method |
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| C10 | Entry into substantive examination | ||
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| C01 | Deemed withdrawal of patent application (patent law 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |