CN204827682U - Take engine overspeed protection device of arm of force component - Google Patents
Take engine overspeed protection device of arm of force component Download PDFInfo
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- CN204827682U CN204827682U CN201520654780.1U CN201520654780U CN204827682U CN 204827682 U CN204827682 U CN 204827682U CN 201520654780 U CN201520654780 U CN 201520654780U CN 204827682 U CN204827682 U CN 204827682U
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Abstract
The utility model relates to a take engine overspeed protection device of arm of force component, including the valve body, be equipped with the shoulder hole in the bottom of the valve body, the top is equipped with the mount pad, also includes rotating member, rotating member, valve down, is being equipped with valve locking mechanism down between rotating member and the valve body, and the connection is in solenoid valve switch on the mount pad, the upper end of going up the rotating member is equipped with the shallow slot and is equipped with the draw -in groove with big screw, lower tip, an arm of force member comprises the vertical section that the one end of straight section and upper end and straight section links to each other, is equipped with the through -hole at the middle part of straight section, is equipped with the screw in straight section and vertical section junction, is equipped with the bar hole vertical section lower part, the straight section of arm of force member and the shallow slot cooperation of last rotating member upper end to fixed through a big screw connection, the bar hole of vertical section lower part with the contact correspondence / cooperation of the pull rod one end of solenoid valve switch. The utility model discloses the reaction is sensitive, and the reliability is high, has the duplicate protection function of hypervelocity auto -stop and manual emergency shut down.
Description
Technical field
The utility model relates to engine control device, is specifically related to a kind of racing of the engine protective gear with arm of force component.
Background technique
For preventing motor from hypervelocity malicious event occurring, usually fuel-cut valve being housed on the engine, taking the mode cutting off fuel delivery, stop high pressure oil pump fuel feeding.In this case, even if cut off fuel delivery also cannot gather effect, although because at this moment cut off fuel delivery, in engine fuel injection pump pump chamber, also there is a part of fuel oil, motor can not be made to shut down rapidly, cause motor seriousness malicious event.Test proves, when needing emergency shutdown, dies faster than oil-break, so the overspeed governor switch of dying arises at the historic moment.Usual this overspeed governor switch reliability is on the market low, that is: during racing of the engine, valve is not but closed, and cannot realize stopping in emergency, and causes engine demolition accident.When motor does not exceed the speed limit, valve is but closed automatically, and engine emergency is stopped.
CN202914228U discloses a kind of motor overspeed protection blanket, it is by sensitive switch, cease-fire line assembly, grounding wire component, support, valve gap, diaphragm unit, valve body, throttle valve and air hose composition, the cease-fire line inserted sheet on sensitive switch is inserted with in the cease-fire line plug-in unit that it is characterized in that cease-fire line assembly upper end, the ground wire inserted sheet on sensitive switch is inserted with in the ground wire plug-in unit of grounding wire component upper end, sensitive switch is arranged on the sensitive switch mounting plate of support, valve body is arranged on the valve body mounting plate of support, in valve gap and valve body, diaphragm unit is installed, the push rod being installed on the diaphragm unit in the push rod pilot hole of valve gap is adjacent to the lever shell fragment on sensitive switch, the diaphragm of diaphragm unit is arranged between valve gap and valve body, valve body connecting tube on valve body tightly there is air hose by hoop sleeve clamping, valve body vent in valve body connecting tube on valve body is connected with the throttle orifice in the throttle valve of setting-in in the gas pipeline in air hose.The overspeed protection blanket that engine misses are out of service can be made, to ensure that engine health is run when racing of the engine operates.This beyond doubt a kind of useful trial.
Summary of the invention
The purpose of this utility model is to provide a kind of racing of the engine protective gear with arm of force component; it is quick on the draw; reliability is high, has the double protection functions of hypervelocity autostop and manual emergency shutdown, can effectively avoid motor to cause engine damage because of hypervelocity.
A kind of racing of the engine protective gear with arm of force component described in the utility model, comprise valve body, shoulder hole is provided with in the bottom of this valve body, top is provided with fitting seat, the inwall of valve pocket is provided with valve locating stud, also comprise and to be located on this fitting seat and the upper revolving part in valve pocket is stretched in one end, to coordinate with described shoulder hole and the lower revolving part in valve pocket is stretched in one end, be connected with described upper revolving part and lower revolving part and with the valve of valve pocket corresponding matching, the bottom of described lower revolving part is provided with groove, position on the lower side, middle part is provided with step, top is provided with lower bayonet slot, valve closure body is provided with between described lower revolving part and valve body, also comprise the electromagnetic valve switch be connected to by a solenoid valve bracket on described fitting seat, one end of the pull bar of described electromagnetic valve switch is contact, the other end is manual carrying handle, it is characterized in that: the upper end of described upper revolving part is provided with shallow slot and large screw, upper end portion are provided with annular groove, underpart is provided with draw-in groove,
The vertical section that one arm of force component is connected with one end of flat segments by flat segments and upper end is formed, and is provided with through hole at the middle part of described flat segments, is provided with screw in the joint of described flat segments and vertical section, is provided with bar hole in the bottom of described vertical section; The flat segments of described arm of force component coordinates with the shallow slot of described upper revolving part upper end, and is connected and fixed through screw large on the through hole in the middle part of described flat segments and described upper revolving part by a large screw; Screw and the reseting handle of described flat segments and vertical section joint are connected, and the bar hole of described vertical pars infrasegmentalis is corresponding with the contact of pull bar one end of described electromagnetic valve switch/coordinates.The effect arranging arm of force component is the radius of gyration strengthening revolving part, reduces to stir power, and then improves sensitivity and the reliability of racing of the engine protective gear.
Further, described solenoid valve bracket is made up of two mutual vertical blocks connected vertically, a vertical block is provided with four via holes, is respectively equipped with a mounting hole in four bights of another vertical block, center portion is provided with a big hole; Described solenoid valve bracket is threaded connection part and four via holes are connected on described fitting seat, and described electromagnetic valve switch connects one to one fixing with four mounting holes by four screws respectively; Pull bar one end of described electromagnetic valve switch is that contact is corresponding with described big hole, and can pass or exit this big hole.
Further, the bottom that described valve closure body comprises the rivet and described lower revolving part that many are located at described body base is combined with a back-up ring, is enclosed within the described bottom of lower revolving part and the torsion spring between step and back-up ring, and one end of this torsion spring is hooked on a rivet of described body base, the other end is stuck in described groove.
Further, described reseting handle is made up of stud and bulb, and one end and the bulb of described stud are connected, and the screw of the other end of described stud and the flat segments of arm of force component and vertical section joint is connected.
Further, one end of described valve locating stud is provided with boss.
Further, the upper limb of described valve coordinates with the upper draw-in groove of described upper revolving part underpart, the lower edge of described valve coordinates with the lower bayonet slot of described lower revolving part upper end portion, and be connected and fixed respectively by a socket head screw, be equipped with radial direction through hole in the end of two socket head screws, two cotter pins coordinate with two through hole respectively.
Further, described electromagnetic valve switch is electrically connected with the controller of motor.
Further, the described valve body side of being body shape or cylindrical shape, described fitting seat is hollow structure and is an entirety with described valve body.
Further, described torsion spring is right-hand screw spring.
Further, four rivets are provided with in the bottom of described valve body.
Racing of the engine protective gear is as the safety component of protection motor; perhaps motor never hypervelocity; these parts once also can not be used; but once there is draw bar and high pressure oil pump tooth bar clamping stagnation; racing of the engine; these parts must be reacted rapidly, throttle down, make motor hard stop.
Useful technique effect of the present utility model: owing to being provided with arm of force component, increasing the radius of gyration of revolving part, reduce the power of stirring, and then the sensitivity and the reliability that improve racing of the engine protective gear; Owing to being provided with the rivet of four diverse locations, can, according to different needs, one end of torsion spring be hooked on the rivet of corresponding position, realize the object of conversion torsion spring moment of torsion; Owing to being provided with electromagnetic valve switch on solenoid valve bracket, when motor exceedes regulation rotating speed, on the one hand can by electromagnetic valve switch energising, produce electromagnet pull effect, reliable throttle down, cut off air inlet, forced engine is shut down; On the other hand when circuit malfunction or other reasons need emergency shutdown; also can the manual carrying handle of the other end of pull bar of manually-operable electromagnetic valve switch; cut off air inlet; realize emergency shutdown; so can realize exceeding the speed limit autostop and manual emergency shuts down two kinds of controlling functions; effectively protect motor, avoid racing of the engine to cause the serious damage of motor.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation (rear view) of valve body;
Fig. 3 is the left view of Fig. 2;
Fig. 4 is the structural representation of upper revolving part;
Fig. 5 is the left view of Fig. 4;
Fig. 6 is the plan view of Fig. 4;
Fig. 7 is the structural representation of lower revolving part;
Fig. 8 is the B direction view of Fig. 1;
Fig. 9 is the A-A sectional view of Fig. 1;
Figure 10 is the structural representation of arm of force component;
Figure 11 is the left view of Figure 10;
Figure 12 be the plan view of Figure 10 not;
Figure 13 is the structural representation of solenoid valve bracket;
Figure 14 is the left view of Figure 13;
Figure 15 is the plan view of Figure 13;
Figure 16 is the structural representation of valve locating stud;
Figure 17 is the structural representation of cotter pin.
In figure: 1-valve body, 2-electromagnetic valve switch, the upper revolving part of 3-, 4-valve, revolving part under 5-, 6-torsion spring, 7-fitting seat, 8-screw, 9-valve locating stud, 10-bulb, 11-rivet, 12-socket head screw, 13-back-up ring, 14-cotter pin, 15-arm of force component, 16-solenoid valve bracket, 17-stud, the large screw of 18-, 19-packing ring; 21-contact, the manual carrying handle of 22-; 31-annular groove, 32-shallow slot, the upper draw-in groove of 33-, the large screw of 34-; 51-groove, 52-step, 53-lower bayonet slot; 91-boss; 151-through hole, 152-screw, 153-bar hole; 161-via hole, 162-mounting hole, 163-big hole.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further described.
See Fig. 1 to Figure 17, the racing of the engine protective gear of described band arm of force component, comprise valve body 1, shoulder hole is provided with in the bottom of this valve body, top is provided with fitting seat 7, the inwall of valve pocket is provided with valve locating stud 9, also comprise and to be located on this fitting seat and the upper revolving part 3 in valve pocket is stretched in one end, to coordinate with described shoulder hole and the lower revolving part 5 in valve pocket is stretched in one end, be connected with described upper revolving part and lower revolving part and with the valve 4 of valve pocket corresponding matching, the bottom of described lower revolving part 5 is provided with groove 51, position on the lower side, middle part is provided with step 52, top is provided with lower bayonet slot 53, valve closure body is provided with between described lower revolving part and valve body, also comprise the electromagnetic valve switch 2 be connected to by a solenoid valve bracket 16 on described fitting seat, one end of the pull bar of described electromagnetic valve switch is contact 21, the other end is manual carrying handle 22,
Its outstanding substantive distinguishing features is: the upper end of described upper revolving part 3 is provided with shallow slot 32 and large screw 34, upper end portion are provided with annular groove 31, underpart is provided with draw-in groove 33; The vertical section that one arm of force component 15 is connected with one end of flat segments by flat segments and upper end is formed, through hole 151 is provided with at the middle part of described flat segments, be provided with screw 152 in the joint of described flat segments and vertical section, be provided with bar hole 153 in the bottom of described vertical section; The flat segments of described arm of force component coordinates with the shallow slot 32 of described upper revolving part 3 upper end, and is connected and fixed through the through hole 151 in the middle part of described flat segments and large screw 34 on described upper revolving part by a large screw 18; Screw 152 and the reseting handle of described flat segments and vertical section joint are connected, and the bar hole 153 of described vertical pars infrasegmentalis is corresponding with the contact 21 of pull bar one end of described electromagnetic valve switch/coordinates.The effect arranging arm of force component is the radius of gyration strengthening revolving part, reduces to stir power, and then improves sensitivity and the reliability of racing of the engine protective gear.The object arranging annular groove effectively prevents dust from entering in the hollow structure of fitting seat 7 from upper revolving part top, avoids stuck phenomenon occurs.
Described solenoid valve bracket 16 is made up of two mutual vertical blocks connected vertically, a vertical block is provided with four via holes 161, is respectively equipped with a mounting hole 162 in four bights of another vertical block, center portion is provided with a big hole 163; Described solenoid valve bracket is threaded connection part and four via holes 161 are connected on described fitting seat 7, and described electromagnetic valve switch 2 connects one to one fixing with four mounting holes 162 by four screws 8 respectively; Pull bar one end of described electromagnetic valve switch is that contact 21 is corresponding with described big hole 163, and can pass or exit this big hole.
The bottom that described valve closure body comprises the rivet 11 and described lower revolving part 5 that many are located at described body base is combined with a back-up ring 13, is enclosed within the bottom of described lower revolving part 5 and the torsion spring 6 between step 52 and back-up ring 13, and one end of this torsion spring is hooked on a rivet 11 of described body base, the other end is stuck in described groove 51.Four rivets 11 are provided with in the bottom of described valve body 1.According to the rivet of torsion spring hooking diverse location, the size of the torsion of torsion spring can be changed, to guarantee that valve closing is reliable.
Described reseting handle is made up of stud 17 and bulb 10, and one end and the bulb of described stud are connected, and the screw 152 of the other end of described stud and the flat segments of arm of force component 15 and vertical section joint is connected.
One end of described valve locating stud 9 is provided with boss 91.Valve locating stud is located on the inwall of valve pocket, in order to limit the closed position of described valve; Establish boss in one end of valve locating stud, to prevent valve locating stud from falling into motor because of vibration, avoid engine damage accident.
The upper limb of described valve 4 coordinates with the upper draw-in groove 33 of described upper revolving part 3 underpart, the lower edge of described valve 4 coordinates with the lower bayonet slot 53 of described lower revolving part 5 upper end portion, and be connected and fixed respectively by a socket head screw 12, be equipped with radial direction through hole in the end of two socket head screws, two cotter pins 14 coordinate with two through hole respectively.Existing overspeed governor switch; valve described in it is fixedly connected with common socket head screw with the groove fit on upper revolving part, lower revolving part one end, the vibration that such engine running produces, and is easily shaken by common socket head screw; thus enter motor, break pressurized machine.Open a through hole in the end face of socket head screw, cotter pin penetrates in through hole, even if socket head screw comes loose like this, also can not enter motor after connecting by socket head screw.
Described electromagnetic valve switch 2 is electrically connected with the controller of motor.
Described valve body 1 is in square body shape or cylindrical shape, and described fitting seat 7 is an entirety for hollow structure and with described valve body.
Described torsion spring 6 is right-hand screw spring.
In specific implementation process, this racing of the engine protective gear is arranged between air inlet distribution piping and intercooler, and in engine work situation, valve 4 is in opening state, shown in Fig. 1, to ensure the abundant and smooth of air inlet.When engine speed exceeds the tachometer value of controller setting, speed probe receives overspeed signal, feed back to controller, controller sends the voltage of 24V, normal open switch obtains electric closed, the electromagnet conducting of electromagnetic valve switch 2, electromagnetic valve switch makes the contact 21 of pull bar one end exit from the bar hole 153 of arm of force component by electromagnet pull, under the torsional interaction that torsion spring 6 provides, upper revolving part 3 is with movable valve to rotate to 90 ° to the right with lower revolving part 5, just blocked by valve locating stud 9, at this moment valve 4 and valve body 1 inwall fit tightly, cut off the air leading to motor, thus cylinder stops air inlet, forced engine is shut down, avoid causing motor badly damaged.
When circuit malfunction or other reasons need emergency shutdown; can the manual carrying handle 22 of the pull bar the other end of manually-operable electromagnetic valve switch, the contact 21 of pull bar one end is exited from the bar hole 153 of arm of force component, manual-lock valve 4; cut off air inlet, shut down to realize motor manual emergency.
Before motor is reset, manually-operable reseting handle, opens valve 4, then ensure the normal air inlet of motor.
Claims (10)
1. the racing of the engine protective gear with arm of force component, comprise valve body (1), shoulder hole is provided with in the bottom of this valve body, top is provided with fitting seat (7), the inwall of valve pocket is provided with valve locating stud (9), also comprise and to be located on this fitting seat and the upper revolving part (3) in valve pocket is stretched in one end, to coordinate with described shoulder hole and the lower revolving part (5) in valve pocket is stretched in one end, be connected with described upper revolving part and lower revolving part and with the valve (4) of valve pocket corresponding matching, the bottom of described lower revolving part (5) is provided with groove (51), position on the lower side, middle part is provided with step (52), top is provided with lower bayonet slot (53), valve closure body is provided with between described lower revolving part and valve body, also comprise the electromagnetic valve switch (2) be connected to by a solenoid valve bracket (16) on described fitting seat, one end of the pull bar of described electromagnetic valve switch is contact (21), the other end is manual carrying handle (22), it is characterized in that: the upper end of described upper revolving part (3) is provided with shallow slot (32) and large screw (34), upper end portion are provided with annular groove (31), underpart is provided with draw-in groove (33),
The vertical section that one arm of force component (15) is connected with one end of flat segments by flat segments and upper end is formed, through hole (151) is provided with at the middle part of described flat segments, be provided with screw (152) in the joint of described flat segments and vertical section, be provided with bar hole (153) in the bottom of described vertical section; The flat segments of described arm of force component coordinates with the shallow slot (32) of described upper revolving part (3) upper end, and is connected and fixed through the through hole (151) in the middle part of described flat segments and large screw (34) on described upper revolving part by a large screw (18); The screw (152) of described flat segments and vertical section joint and reseting handle are connected, and the bar hole (153) of described vertical pars infrasegmentalis is corresponding with the contact (21) of pull bar one end of described electromagnetic valve switch/coordinates.
2. the racing of the engine protective gear of band arm of force component according to claim 1, it is characterized in that: described solenoid valve bracket (16) is made up of two mutual vertical blocks connected vertically, a vertical block is provided with four via holes (161), is respectively equipped with a mounting hole (162) in four bights of another vertical block, center portion is provided with a big hole (163); Described solenoid valve bracket is threaded connection part and four via holes (161) are connected on described fitting seat (7), and described electromagnetic valve switch (2) connects one to one fixing with four mounting holes (162) by four screws (8) respectively; Pull bar one end of described electromagnetic valve switch is that contact (21) is corresponding with described big hole (163), and can pass or exit this big hole.
3. the racing of the engine protective gear of band arm of force component according to claim 1 and 2; it is characterized in that: described valve closure body comprise many rivets (11) being located at described body base, and the bottom of described lower revolving part (5) be combined with a back-up ring (13), be enclosed within the bottom of described lower revolving part (5) and the torsion spring (6) be positioned between step (52) and back-up ring (13), one end of this torsion spring is hooked on that a rivet (11) of described body base is upper, the other end is stuck in described groove (51).
4. the racing of the engine protective gear of band arm of force component according to claim 1 and 2; it is characterized in that: described reseting handle is made up of stud (17) and bulb (10); one end and the bulb of described stud are connected, and the screw (152) of the other end of described stud and the flat segments of arm of force component (15) and vertical section joint is connected.
5. the racing of the engine protective gear of band arm of force component according to claim 1 and 2, is characterized in that: one end of described valve locating stud (9) is provided with boss (91).
6. the racing of the engine protective gear of band arm of force component according to claim 1 and 2; it is characterized in that: the upper limb of described valve (4) coordinates with the upper draw-in groove (33) of described upper revolving part (3) underpart; the lower edge of described valve (4) coordinates with the lower bayonet slot (53) of described lower revolving part (5) upper end portion; and be connected and fixed respectively by a socket head screw (12); be equipped with radial direction through hole in the end of two socket head screws, two cotter pins (14) coordinate with two through hole respectively.
7. the racing of the engine protective gear of band arm of force component according to claim 1 and 2, is characterized in that: described electromagnetic valve switch (2) is electrically connected with the controller of motor.
8. the racing of the engine protective gear of band arm of force component according to claim 1 and 2, is characterized in that: described valve body (1) is in square body shape or cylindrical shape, and described fitting seat (7) is an entirety for hollow structure and with described valve body.
9. the racing of the engine protective gear of band arm of force component according to claim 3, is characterized in that: described torsion spring (6) is right-hand screw spring.
10. the racing of the engine protective gear of band arm of force component according to claim 3, is characterized in that: be provided with four rivets (11) in the bottom of described valve body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520654780.1U CN204827682U (en) | 2015-08-27 | 2015-08-27 | Take engine overspeed protection device of arm of force component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520654780.1U CN204827682U (en) | 2015-08-27 | 2015-08-27 | Take engine overspeed protection device of arm of force component |
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| Publication Number | Publication Date |
|---|---|
| CN204827682U true CN204827682U (en) | 2015-12-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520654780.1U Active CN204827682U (en) | 2015-08-27 | 2015-08-27 | Take engine overspeed protection device of arm of force component |
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| CN (1) | CN204827682U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105114190A (en) * | 2015-08-27 | 2015-12-02 | 重庆科克发动机技术有限公司 | Engine overspeed protection device with moment arm component |
-
2015
- 2015-08-27 CN CN201520654780.1U patent/CN204827682U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105114190A (en) * | 2015-08-27 | 2015-12-02 | 重庆科克发动机技术有限公司 | Engine overspeed protection device with moment arm component |
| CN105114190B (en) * | 2015-08-27 | 2017-12-08 | 重庆科克发动机技术有限公司 | A kind of racing of the engine protection device with arm of force component |
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Address after: 402160 Fenghuang Lake Industrial Park, Yongchuan Industrial Park, Chongqing Patentee after: Chongqing Pangu Power Technology Co.,Ltd. Address before: 402160 Fenghuang Lake Industrial Park, Yongchuan Industrial Park, Chongqing Patentee before: CHONGQING GOOGOL ENGINE-TECH Co.,Ltd. |