CN1817076A - Automatic emergent braking method and brake device of diesel small tillage implements - Google Patents
Automatic emergent braking method and brake device of diesel small tillage implements Download PDFInfo
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- CN1817076A CN1817076A CN 200610054151 CN200610054151A CN1817076A CN 1817076 A CN1817076 A CN 1817076A CN 200610054151 CN200610054151 CN 200610054151 CN 200610054151 A CN200610054151 A CN 200610054151A CN 1817076 A CN1817076 A CN 1817076A
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Abstract
An automatic emergency braking method and mechanism for the small ground-working machine driven by diesel engine is disclosed. Said mechanism is composed of a control handle unit arranged on the control handle module of said small ground-working machine and controlled by the hand of operator, an execution unit arranged on the diesel engine for cutting off the oil channel of diesel engine, and a pull string connected between said control handle unit and execution unit. When the small ground-working machine is normally working, said control handle unit is grasped by said operator. When it is released, the oil channel of diesel engine can be cut off by said execution unit and the diesel engine is automatically stopped.
Description
Technical field
The present invention relates to a kind of automatic emergency stop method and device thereof of mini-size tillage machine, be specifically related to a kind of automatic emergency stop method and device of diesel oil mini-size tillage machine.
Background technology
In the prior art, on many machinery equipments, be provided with emergency stop device, in order to when accident occurring, allowing machinery equipment stop fast.As Chinese patent CN03247513.6 " automatic emergency stop device " and the disclosed emergency stop device of CN03229483.2 " a kind of urgency is stopped operating mechanism ", the former controls by circuit, form by control section and operating part, control section is provided with one and presses a contravention and a conducting end, operating part comprises a contact jaw and a microswitch, its shortcoming is a complex structure, the cost height; The latter comprises that electromagnetic clutch, friction plate, little axle, fixture, backing pin, both sides are fixed with the structure of the pinion of friction plate, backing plate, spring, gear wheel, block, mainly be installed between lathe bed and the flywheel, its shortcoming is complex structure equally, and can not automatic emergency stop.
And existing emergency stop switch is usually by artificial control, and machinery equipment is when operate as normal, and emergency stop switch disconnects; Need the anxious stopping time in case appearance is unexpected, operator's snap action is in the emergency stop device control section, and operating part cuts off equipment dynamic, and machinery equipment is suddenly stopped.Its operation principle is to need the anxious stopping time, the necessary quick acting of operator; Otherwise during the machinery equipment operate as normal, emergency stop switch disconnects does not work.For example the rural area use very general mini-size tillage machine, it also may occur in use, and unexpected needs are anxious to stop, and overturns as machine chance obstacle, the operator is mixed down or burst disease etc.If design emergency stop device as stated above, then obviously unworkable, because mini-size tillage machine work the time needs operator's both hands helping the arm-rest frame assembly of mini-size tillage machine to move ahead with mini-size tillage machine, need the operator to move when promptly working; Its result of the appearance of fortuitous event operator often lets go and loses the control of machine or need initiatively abandon control to machine, and mini-size tillage machine just needed anxious stopping when promptly the operator can not control, and best automatic emergency stop.Stop or the diesel oil mini-size tillage machine no matter be that outage is anxious, all can not realize anxious stopping at present, the safety effect of reality is very little.When machine occurs accident at work and need stop; for the diesel oil mini-size tillage machine; common way is now; manually mini-size tillage machine is switched to the clutch disengaged position, allow power and load break away from, though this moment, engine was worked; but cutter does not stop because of there being power; manually control is cut off the engine fuel supply again, and engine slowly stops, and stopping process is loaded down with trivial details.
Summary of the invention
At the prior art above shortcomings, the diesel oil mini-size tillage machine automatic emergency stop device that the object of the present invention is to provide a kind of new type auto urgency that is used for the diesel oil mini-size tillage machine to stop method and design according to this method.
The automatic emergency stop method of diesel oil mini-size tillage machine of the present invention, its diesel oil mini-size tillage machine comprise by control section and being used to cuts off the emergency stop device that the operating part of engine oil path supply is formed.Control section is connected by drag-line with operating part, and control section is located on the mini-size tillage machine arm-rest frame assembly, and operating part is located on the engine and is connected with oil piping system.Back-moving spring one end is connected with operating part, and the other end is connected with engine, and the automatic emergency stop method step is:
(1) during the mini-size tillage machine operate as normal, the restoring force that overcomes back-moving spring in the time of operator grasps arm-rest frame assembly is held the emergency stop device control section, and the emergency stop device operating part is inoperative, when the anxious stopping time of needs, execution in step (2), otherwise execution in step (1) always;
(2) operator looses one's grip and no longer acts on the emergency stop device control section, and at this moment, the emergency stop device operating part resets under the effect of back-moving spring restoring force immediately, cuts off the engine oil path supply automatically.
Stop a kind of diesel oil mini-size tillage machine automatic emergency stop device that method is designed according to above-mentioned urgency, comprise arm-rest frame assembly and the clutch handle that is installed on the arm-rest frame assembly, its improvements are, the control section of described emergency stop device stops handle for the urgency of " 7 " font, be provided with the anxious handle set that stops at arm-rest frame assembly end, suddenly stop handle and be installed in the anxious pin rotation that also can rotate on the handle set that stops by shipping and reselling on another market, urgency stops handle and arm-rest frame assembly end is positioned at same plane, the vertical anxious plane, handle place of stopping of shipping and reselling on another market.Suddenly stop drag-line one end and stop handle and is connected with anxious, urgency is stopped the drag-line other end and is passed urgency vertically successively and stop being connected with operating part behind handle set and the arm-rest frame assembly, and operating part is located on the engine, is used to cut off the engine oil path supply.Above-mentioned urgency is stopped handle set, urgency is stopped handle and suddenly stopped the control section that drag-line is emergency stop device.
Automatic emergency stop device further improves and is: described clutch handle is provided with the self-locking mechanism of using when disconnecting clutch, and self-locking mechanism is made up of snap close and snap close reduction torsion spring.Have the snap close slotted eye below clutch handle, snap close passes slotted eye, and the one end is positioned at clutch handle, and the other end is positioned at outside the clutch handle, and snap close is shipped and resell on another market by snap close and is connected and the pin rotation that can rotate with clutch handle.On reduction torsion spring was located at and ships and resell on another market, torsion spring one end was pressed on the clutch handle, and the other end withstands on the snap close.Be provided with the snap close backing pin on the clutch handle seat, the snap close backing pin is vertical with plane, clutch handle place, the snap close backing pin face of cylinder and the snap close termination sliding-contact that is positioned at clutch handle.
Compared to existing technology, the present invention has following advantage:
1, this method has made full use of the work characteristics (staff is held the arm-rest frame assembly always when promptly working) and the anxious characteristics (urgency stopping time staff often leave the arm-rest frame assembly and lose control to machine) of stopping of diesel oil mini-size tillage machine, the emergency stop device control section is located on the mini-size tillage machine arm-rest frame assembly, the emergency stop device operating part that is connected with control section is located at and is used to cut off the engine oil path supply on the engine, change traditional anxious stopping time and give active force, just often do not give the pattern of power, realize just often giving active force, anxious stopping time not to give the pattern of power on the contrary.During work, the operator firmly holds the emergency stop device control section, and operating part does not play effect.When accident occurred, the operator only need let go and not give power, and the emergency stop device operating part resets under the restoring force effect immediately, cuts off the engine oil path supply automatically, thereby reaches the automatic emergency stop purpose.
2, this method and device thereof be skillfully constructed, reasonable in design, realize that more reliably the urgency of equipment is stopped.Owing to urgency is stopped handle be arranged on the arm-rest frame assembly, suddenly stop urgency that handle controls and stop drag-line and be connected with emergency stop device operating part on the engine.During operate as normal, operator's hand is lived the anxious handle that stops, and suddenly stops drag-line and controlled by the operator.When breaking away from operator's control or operator because of certain reason machine and let go, the promptly anxious handle that stops is when no longer being subjected to the active force of operator's hand, and this emergency stop device is worked immediately, cuts off the supply of diesel engine oil circuit automatically, and engine is flame-out immediately, and complete machine quits work.Its principle is: when the people lets go, suddenly stopping drag-line transfers the urgency that is subjected to be connected with the emergency stop device operating part to by people's control and stops spring and control, stop anxious that operating part resets under the spring tension effect, and stop drag-line and then make the anxious handle reset (the promptly anxious handle pin that rotates that stops rotates counterclockwise) that stops by anxious.Because operating part is connected with engine fuel system, throttle can be cut off fully, so reach the automatic emergency stop purpose.
3, simple by this method project organization, cost increases few, and operation is extremely simple, is suitable for extensively promoting the use.
Description of drawings
Fig. 1 is the structural representation of this device invention.
Clutch handle self-locking and stop the structural representation that handle pins when Fig. 2 starts for mini-size tillage machine with anxious.
Fig. 3 is the anxious handle arrangement schematic diagram that stops.
Embodiment
A kind of automatic emergency stop method of diesel oil mini-size tillage machine, its diesel oil mini-size tillage machine comprise by control section and being used to cuts off the emergency stop device that the operating part of engine oil path supply is formed, and control section is connected by drag-line with operating part.Control section is located on the mini-size tillage machine arm-rest frame assembly, and operating part is located on the engine and is connected with oil piping system.Back-moving spring one end is connected with operating part, and the other end is connected with engine, and the automatic emergency stop method step is:
(1) during the mini-size tillage machine operate as normal, the restoring force that overcomes back-moving spring in the time of operator grasps arm-rest frame assembly is held the emergency stop device control section, and the emergency stop device operating part is inoperative, when the anxious stopping time of needs, execution in step (2), otherwise execution in step (1) always;
(2) operator looses one's grip and no longer acts on the emergency stop device control section, and at this moment, the emergency stop device operating part resets under the effect of back-moving spring restoring force immediately, cuts off the engine oil path supply automatically.
The present invention is located at the emergency stop device control section on the mini-size tillage machine arm-rest frame assembly, and the emergency stop device operating part that is connected with control section is located at and is used to cut off the engine oil path supply on the engine.When mini-size tillage machine was in normal operating conditions, the restoring force (spring force) that overcomes the emergency stop device operating part in the time of operator grasps arm-rest frame assembly was held the emergency stop device control section, allows the emergency stop device operating part cut little ice; The operator looses one's grip when no longer acting on the emergency stop device control section, and the emergency stop device operating part resets under the restoring force effect immediately, cuts off the engine oil path supply automatically, thereby reaches the automatic emergency stop purpose, avoids the danger because of the untimely initiation of stopping.
Below in conjunction with accompanying drawing this device is invented the further concrete detailed explanation of do.
Referring to Fig. 1, by the automatic emergency stop device that is used for the diesel oil mini-size tillage machine of the inventive method design, comprise arm-rest frame assembly 1 and be installed in the controlling organization of arm-rest frame assembly 1 handbar that this controlling organization is by suddenly stopping handle set 2, suddenly stopping handle 3 and suddenly stop drag-line 4 and form.Suddenly stop handle set 2 and be installed in arm-rest frame assembly 1 end, suddenly stop one side that handle set 2 contact with arm-rest frame assembly 1 and have a vertical slot and stop handle 3 to hold urgency by screw 5.Suddenly stop handle 3 and be " 7 " font (see figure 3), suddenly stopping 3 one sections on handle is positioned at vertical slot and 6 is installed in and suddenly stops on the handle set 2 and the pin 6 that can rotate rotates by shipping and reselling on another market, urgency stops handle 3 and arm-rest frame assembly 1 end is positioned at same plane, the 6 vertical anxious planes, handle 3 place of stopping of shipping and reselling on another market.Suddenly stopping drag-line 4 one ends and urgency stops that section that handle 3 is positioned at vertical slot and is connected, suddenly stop drag-line 4 other ends and pass the anxious handle set 2 that stops vertically successively and be connected with operating part with arm-rest frame assembly 1 back, operating part is located at and is used to cut off the engine oil path supply on the engine.
In normal operation, the operator holds arm-rest frame assembly 1 handbar and simultaneously urgency is stopped handle 3 fronts and presses down for one section, sees Fig. 2, this moment, the anxious drag-line 4 that stops was strained, operating part on the engine no longer retrains the engine oil path system, the oil piping system normal fuel injection, and engine operation is normal.After the operator lets go because of certain reason, suddenly stop handle 3 and reset, this moment, operating part cut off the engine oil path supply automatically fully, the machine automatic emergency stop, and be unlikely to initiation potential.
Because when machine just begins to start, clutch needs to disconnect (clutch disconnects rear engine and more easily starts), and oil circuit needs conducting, needing that promptly urgency is stopped one section of handle front depresses, if pressed down by the operator, operator's inconvenience again leaves to pull and pilots engine, and needs others to help.If being stopped one section of handle front, urgency is tied with the arm-rest frame assembly, trouble not only, and in a single day forget when using and untie, lost the purpose of automatic emergency stop again.Given this, the present invention is provided with self-locking mechanism on clutch handle, this self-locking mechanism not only can be locked in off-state with clutch handle all the time when clutch need disconnect, and can further urgency be stopped handle lock in normal duty by clutch handle, so that the operator can vacate the body ato unit of making a return journey.This self-locking mechanism is made up of snap close 7 and snap close reduction torsion spring 8.Have snap close slotted eye 10 below clutch handle 9, snap close 7 passes slotted eye 10, and the one end is positioned at clutch handle 9, and the other end is positioned at outside the clutch handle 9, and snap close 7 is shipped and resell on another market by snap close and 11 is connected with clutch handle 9 and pin 11 rotations that can rotate.Reduction torsion spring 8 is located at ships and resell on another market on 11, and torsion spring 8 one ends are pressed on the clutch handle 9, and the other end withstands on snap close 7 ends that are positioned at clutch handle 9.Be provided with snap close backing pin 12 on clutch handle seat 14, snap close backing pin 12 is vertical with plane, clutch handle 9 place, snap close backing pin 12 faces of cylinder and snap close termination 13 sliding-contacts that are positioned at clutch handle.When preparing ato unit, earlier urgency being stopped handle 3 fronts depresses for one section, engine oil path conducting this moment will be carried on the clutch handle 9 to disconnect clutch again, and this moment, snap close 7 forwarded the position of being withstood by snap close backing pin 12 to, so clutch handle 9 can not fall down voluntarily, when hand is decontroled, suddenly stop drag-line 4 urgency is stopped handle 3 pullings rotation in the counterclockwise direction, when suddenly stopping handle 3 working faces contact clutch handle 9 afterbodys, stop, be that clutch handle 9 stops handle 3 pinnings with urgency, its locking-in state is seen Fig. 2.Because anxious handle 3 corners that stop are very little, the state of oil circuit conducting does not change, so the operator can vacate body and comes ato unit like a cork.After startup was finished, the operator held anxious stop handle 3 and arm-rest frame assembly 1, and finger up one draws snap close 7 gently, and under the acting in conjunction of clutch spring and reduction torsion spring 8, clutch handle 9 resets downwards, and clutch is connected, and mini-size tillage machine is started working.
When anything unexpected occurring in the work, operator's active or passive letting go are left the mini-size tillage machine handrail, suddenly stop handle and suddenly stop resetting under the spring action at engine, and the engine oil path system is performed part cut-out and flame-out immediately automatically, and complete machine quits work immediately.
Claims (4)
1, a kind of automatic emergency stop method of diesel oil mini-size tillage machine is characterized in that: the diesel oil mini-size tillage machine comprises by control section and being used to and cuts off the emergency stop device that the operating part of engine oil path supply is formed; Control section is connected by drag-line with operating part, and control section is located on the mini-size tillage machine arm-rest frame assembly, and operating part is located on the engine and is connected with oil piping system; Back-moving spring one end is connected with operating part, and the other end is connected with engine, and the automatic emergency stop method step is:
(1) during the mini-size tillage machine operate as normal, the restoring force that overcomes back-moving spring in the time of operator grasps arm-rest frame assembly is held the emergency stop device control section, and the emergency stop device operating part is inoperative, when the anxious stopping time of needs, execution in step (2), otherwise execution in step (1) always;
(2) operator looses one's grip and no longer acts on the emergency stop device control section, and at this moment, the emergency stop device operating part resets under the effect of back-moving spring restoring force immediately, cuts off the engine oil path supply automatically.
2, diesel oil mini-size tillage machine automatic emergency stop device, comprise arm-rest frame assembly (1) and be installed in clutch handle (9) on the arm-rest frame assembly (1), it is characterized in that: the control section of described emergency stop device stops handle (3) for the urgency of " 7 " font, be provided with the anxious handle set (2) that stops at arm-rest frame assembly (1) end, suddenly stop handle (3) and be installed in anxious handle set (2) pin (6) rotation of going up and can rotate that stops by ship and resell on another market (6); Urgency stops handle (3) and arm-rest frame assembly (1) end is positioned at same plane, ship and resell on another market (6) vertical anxious handle (3) plane, place of stopping; Suddenly stop drag-line (4) one ends and stop handle (3) and is connected with anxious, suddenly stop drag-line (4) other end pass successively vertically anxious stop behind handle set (2) and the arm-rest frame assembly (1) be located at engine on be used to cut off the operating part that engine oil path supplies and be connected.
3, diesel oil mini-size tillage machine automatic emergency stop device according to claim 2 is characterized in that: described clutch handle (9) is provided with the self-locking mechanism of using when disconnecting clutch.
4, diesel oil mini-size tillage machine automatic emergency stop device according to claim 3 is characterized in that: described self-locking mechanism is made up of snap close (7) and snap close reduction torsion spring (8); Have snap close slotted eye (10) in clutch handle (9) below, snap close (7) passes slotted eye (10) one end and is positioned at clutch handle (9), the other end is positioned at outside the clutch handle (9), snap close (7) by snap close ship and resell on another market (11) be connected with clutch handle (9) and pin (11) rotation of can rotating; Reduction torsion spring (8) is located on ship and resell on another market (11), and torsion spring (8) one ends are pressed on the clutch handle (9), and the other end withstands on the snap close (7); Be provided with snap close backing pin (12) on clutch handle seat (14), snap close backing pin (12) is vertical with clutch handle (9) plane, place, snap close backing pin (12) face of cylinder and snap close termination (13) sliding-contact that is positioned at clutch handle.
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CNB2006100541510A CN100397970C (en) | 2006-03-21 | 2006-03-21 | Automatic emergent braking method and brake device of diesel small tillage implements |
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CNB2006100541510A CN100397970C (en) | 2006-03-21 | 2006-03-21 | Automatic emergent braking method and brake device of diesel small tillage implements |
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CN100397970C CN100397970C (en) | 2008-07-02 |
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Cited By (4)
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CN102405703A (en) * | 2011-08-02 | 2012-04-11 | 重庆威马农业机械有限公司 | Power control structure of minitiller and safety device thereof |
CN102487617A (en) * | 2011-12-13 | 2012-06-13 | 重庆华世丹机械制造有限公司 | Operating device for reversing |
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US5195307A (en) * | 1992-01-21 | 1993-03-23 | The Toro Company | Simplified blade brake clutch and propulsion control |
JPH0986453A (en) * | 1995-09-26 | 1997-03-31 | Mitsubishi Agricult Mach Co Ltd | Stopping device for walking work vehicle |
US20010047642A1 (en) * | 1999-08-30 | 2001-12-06 | William D. Kent | Operator control system for a walk-behind machine and method for using using same |
JP4607382B2 (en) * | 2000-12-28 | 2011-01-05 | 本田技研工業株式会社 | Walking type work machine |
CN2884821Y (en) * | 2006-03-21 | 2007-04-04 | 陈恳 | Automatic emergent stopping device of diesel powered mini-tiller |
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- 2006-03-21 CN CNB2006100541510A patent/CN100397970C/en active Active
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CN102405703A (en) * | 2011-08-02 | 2012-04-11 | 重庆威马农业机械有限公司 | Power control structure of minitiller and safety device thereof |
CN102405703B (en) * | 2011-08-02 | 2013-03-27 | 重庆威马农业机械有限公司 | Power control structure of minitiller and safety device thereof |
CN102487617A (en) * | 2011-12-13 | 2012-06-13 | 重庆华世丹机械制造有限公司 | Operating device for reversing |
CN103283323A (en) * | 2013-05-17 | 2013-09-11 | 浙江亚特电器有限公司 | Starting structure of rotary cultivator |
CN103283323B (en) * | 2013-05-17 | 2016-03-23 | 浙江亚特电器有限公司 | A kind of startup structure of rotovator |
CN107376215A (en) * | 2017-08-28 | 2017-11-24 | 北京小米移动软件有限公司 | For controlling method, remote control and the treadmill of treadmill |
CN107376215B (en) * | 2017-08-28 | 2020-01-10 | 北京小米移动软件有限公司 | Method for controlling a treadmill, remote control and treadmill |
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Assignee: CHONGQING HESHENG INDUSTRY CO., LTD. Assignor: Chen Ken Contract record no.: 2010500000059 Denomination of invention: Automatic emergent braking method and brake device of diesel small tillage implements Granted publication date: 20080702 License type: Exclusive License Open date: 20060816 Record date: 20100916 |