CN103967609B - The diesel engine of driving can be prevented - Google Patents
The diesel engine of driving can be prevented Download PDFInfo
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- CN103967609B CN103967609B CN201410187545.8A CN201410187545A CN103967609B CN 103967609 B CN103967609 B CN 103967609B CN 201410187545 A CN201410187545 A CN 201410187545A CN 103967609 B CN103967609 B CN 103967609B
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- diesel engine
- diesel
- stator
- main body
- damping device
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Abstract
The invention provides a kind of diesel engine preventing driving, comprise damping device main shaft, diesel engine main body, diesel powered output shaft, diesel powered tailing axle, speed change gear, revolution detector and speed reducer; Diesel powered output shaft is arranged on the right-hand member of diesel engine main body, and diesel powered tailing axle is arranged on the left end of diesel engine main body; Speed change gear left end shaft is connected with damping device main shaft, and speed change gear right-hand member axle is connected with diesel powered tailing axle; Diesel engine main body drives diesel powered output shaft, diesel powered tailing axle, speed change gear and damping device main shaft to rotate; Speed reducer comprises housing, two stators, rotor and drive coils.Structure of the present invention is simple, and the electromagnetic eddy utilizing rotor and stator to produce, makes rotor and damping device main shaft produce damping simultaneously, and restriction diesel engine main body continues to accelerate, and prevents diesel engine generation driving phenomenon.
Description
Technical field
The present invention relates to Diesel Engine Technique Field, particularly relate to a kind of diesel engine preventing driving.
Background technique
Diesel engine is that burning diesel oil is to obtain exergonic motor.The advantage of diesel engine is that moment of torsion is large, economic performance good.Existing diesel engine easily has runaway accident often to have generation, so this accident is an a kind of difficult problem for industry, and especially marine diesel engine.Prevent the runaway accident of marine diesel engine at present in the world, have following several: 1, fuel delivery regulates method: encounter during ship's navigation load on host computers die-off (propulsion device off-axis, fall propeller cavitation, high sea causes propeller for vessels emptying) time adopt jerk pump speed regulator to reduce fuel delivery, prevent the generation of marine diesel engine runaway accident, but method is unstable reliable.2, automatic fuel cut-off method: oil circuit valve is closed automatically when diesel engine speed exceedes 15% of rated speed, and prevent Runaway of Diesel Engine accident from worsening further, shortcoming is that now runaway accident occurs, and after oil circuit valve closing, pipeline still has a small amount of oil plant to supply.3, artificial oil-break method, when runaway accident occurs, manually cut off oil circuit by operator on duty, shortcoming is that runaway accident occurs, and reaction velocity is slow.Above several method can reach certain effect, but because of various reasons, the runaway accident of marine diesel engine often has generation, so this accident is an a kind of difficult problem for industry.
Summary of the invention
(1) technical problem that will solve
The problem to be solved in the present invention is to provide a kind of diesel engine preventing driving, easily has runaway accident often to have the defect of generation to overcome diesel engine in prior art.
(2) technological scheme
For solveing the technical problem, the invention provides a kind of diesel engine preventing driving, comprise damping device main shaft, provide the diesel engine main body of power, diesel powered output shaft, diesel powered tailing axle, speed change gear, for detecting the revolution detector of described diesel powered output shaft rotating speed and the speed reducer for slowing down to described damping device main shaft; Described diesel powered output shaft is arranged on the right-hand member of described diesel engine main body, and described diesel powered tailing axle is arranged on the left end of described diesel engine main body; Described speed change gear left end shaft is connected with described damping device main shaft, and described speed change gear right-hand member axle is connected with described diesel powered tailing axle; Described diesel engine main body drives described diesel powered output shaft, diesel powered tailing axle, speed change gear and damping device main shaft to rotate; Described speed reducer comprises housing, two stators, rotor and drive coils, described stator, rotor and drive coil are arranged in described housing, two described stators are arranged on the both sides of described rotor respectively, described drive coil is fixed on described stator, described stator and described rotor have certain gap, described rotor and described damping device main shaft coaxially fixedly mount, and described revolution detector is arranged on the side of described diesel powered output shaft; Described diesel engine also comprises a control circuit, and described control circuit comprises automatic controller, silicon controlled rectifier and personal control; Described automatic controller is connected with described revolution detector, and described automatic controller is for the treatment of detecting that from described revolution detector the rotating speed of diesel powered output shaft or acceleration and setting maximum speed or acceleration contrast; Described personal control is connected with described silicon controlled rectifier, and the artificial mode of described personal control controls described silicon controlled rectifier; Described silicon controlled rectifier is connected with drive coil, described silicon controlled rectifier is used for the alternating voltage of alternator or AC network supply to become adjustable dc voltage, lead to adjustable DC electric current to described drive coil, and carry out work according to the signal of described automatic controller or described personal control and pass to direct current (d.c.) size; Described revolution detector is connected with described drive coil by described automatic controller, silicon controlled rectifier.
Further, described diesel engine also comprises two water cooled seal lids, described water cooled seal lid is fixed on described stator inner wall, described water cooled seal lid and described stator coordinate the water cooled seal room being formed and be used for cooling to described speed reducer, one end, described water cooled seal room is communicated with water-cooled water intake, and the other end is communicated with water-cooled water outlet.
Further, described diesel engine also comprises two oil cooling sealing covers, described oil cooling sealing cover is fixed on described stator outer wall, described oil cooling sealing cover coordinates the oil cooling closed chamber being formed and be used for cooling to described speed reducer with described stator, described oil cooling closed chamber one end is communicated with described oil cooling water intake, and the other end is communicated with described oil cooling water outlet.
Further, described stator inner wall is provided with some heat conduction muscle, and described heat conduction muscle is corresponding with described water cooled seal room.
Further, described housing and described stator are screwed.
Further, described speed reducer is connected with described diesel engine main body by flange plate.
(3) beneficial effect
The diesel engine preventing driving of the present invention, structure is simple, and the electromagnetic eddy utilizing rotor and stator to produce, makes rotor and damping device main shaft produce damping simultaneously, and restriction diesel engine main body continues to accelerate, and prevents diesel engine generation driving phenomenon.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation preventing the diesel engine of driving of the present invention;
Fig. 2 is the partial enlarged drawing of A in Fig. 1;
Fig. 3 is a kind of structural representation preventing stator in the diesel engine of driving of the present invention.
In figure, 1 is damping device main shaft, 2 is diesel engine main body, 3 is diesel powered output shaft, 4 is diesel powered tailing axle, 5 is speed change gear, 6 is oil cooling water intake, 7 is oil cooling water outlet, 8 is water-cooled water intake, 9 is water-cooled water outlet, 10 is housing, 11 is stator, 12 is rotor, 13 is drive coil, 14 is oil cooling sealing cover, 15 is water cooled seal lid, 16 is oil cooling closed chamber, 17 is water cooled seal room, 18 is revolution detector, 19 is automatic controller, 20 is silicon controlled rectifier, 21 is personal control, 22 is flange plate, 23 is heat conduction muscle.
Embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.Following examples for illustration of the present invention, but are not used for limiting the scope of the invention.
As shown in Figure 1 to Figure 3, a kind of diesel engine preventing driving of the present invention, comprises damping device main shaft 1, provides the diesel engine main body 2 of power, diesel powered output shaft 3, diesel powered tailing axle 4, speed change gear 5, for detecting the revolution detector 18 of described diesel powered output shaft 3 rotating speed and the speed reducer for slowing down to described damping device main shaft 1; Described diesel powered output shaft 3 is arranged on the right-hand member of described diesel engine main body 2, and described diesel powered tailing axle 4 is arranged on the left end of described diesel engine main body 2; Described speed change gear 5 left end shaft is connected with described damping device main shaft 1, and described speed change gear 5 right-hand member axle is connected with described diesel powered tailing axle 4; Described diesel engine main body 2 drives described diesel powered output shaft 3, diesel powered tailing axle 4, speed change gear 5 and damping device main shaft 1 to rotate.Described speed reducer comprises housing 10, two stators 11, rotor 12 and drive coils 13, described stator 11, rotor 12 and drive coil 13 are arranged in described housing 10, two described stators 11 are arranged on the both sides of described rotor 12 respectively, described drive coil 13 is fixed on described stator 11, described stator 11 and described rotor 12 have certain gap, described rotor 12 coaxially fixedly mounts with described damping device main shaft 1, and described revolution detector 18 is arranged on the side of described diesel powered output shaft 3; Described revolution detector 18 is connected with described drive coil 13 by described automatic controller 19, silicon controlled rectifier 20.Described speed reducer is connected with described diesel engine main body 2 by flange plate 22.
As shown in Figure 2, described diesel engine also comprises two water cooled seal lids 15, described water cooled seal lid 15 is fixed on described stator 11 inwall, described water cooled seal lid 15 and described stator 11 coordinate the water cooled seal room 17 being formed and be used for cooling to described speed reducer, one end, described water cooled seal room 17 is communicated with water-cooled water intake 8, and the other end is communicated with water-cooled water outlet 9.Speed reducer can produce a large amount of heats, mainly drive coil 13 and stator 11 when braking to the damping device main shaft 1 of diesel engine, can faster the heat above stator 11 be taken away so the present invention is provided with described water cooled seal lid 15.
As shown in Figure 2, described diesel engine also comprises two oil cooling sealing covers 14, described oil cooling sealing cover 14 is fixed on described stator 11 outer wall, described oil cooling sealing cover 14 coordinates the oil cooling closed chamber 16 being formed and be used for cooling to described speed reducer with described stator 11, described oil cooling closed chamber 16 one end is communicated with described oil cooling water intake 6, and the other end is communicated with described oil cooling water outlet 7.Speed reducer can produce a large amount of heats when braking to the damping device main shaft 1 of diesel engine, mainly drive coil 13 and stator 11, can take away the heat above stator 11 and drive coil 13 faster so the present invention is provided with described oil cooling closed chamber 16.
As shown in Figure 3, described stator 11 inwall is provided with some heat conduction muscle 23, and described heat conduction muscle 23 is corresponding with described water cooled seal room 17.
Described diesel engine also comprises a control circuit, and described control circuit comprises automatic controller 19, silicon controlled rectifier 20 and personal control 21; Described automatic controller 19 is connected with described revolution detector 18, described automatic controller 19 is for the treatment of detecting that from described revolution detector 18 rotating speed of diesel powered output shaft 3 or acceleration and setting maximum speed or acceleration contrast, when the rotary speed data of revolution detector 18 is greater than artificial setting maximum limit rotating speed or acceleration, its output provides signal and passes to silicon controlled rectifier 20, makes silicon controlled rectifier 20 in running order; Described personal control 21 is connected with described silicon controlled rectifier 20, the artificial mode of described personal control 21 controls described silicon controlled rectifier 20, when described personal control 21 manpower intervention starts, described automatic controller 19 is automatically malfunctioning, and operate according to manual control, output signal to described silicon controlled rectifier 20, make the size of its work and regulation output direct current (d.c.); Described silicon controlled rectifier 20 is connected with drive coil 13, described silicon controlled rectifier 20 is made up of rectifier transformer and controllable silicon half-controlling bridged rectifier circuit, described silicon controlled rectifier 20 is for becoming the alternating voltage of alternator or AC network supply into adjustable dc voltage, lead to adjustable DC electric current to described drive coil 13, and carry out work according to the signal of described automatic controller 19 or described personal control 21 and pass to direct current (d.c.) size.
Working principle of the present invention is: diesel engine is when the rotating speed of diesel powered output shaft 3 or acceleration reach CLV ceiling limit value in the course of the work, revolution detector 18 detects signal, automatic controller 19 is to silicon controlled rectifier 20 input dc power, backward drive coil 13 input current is amplified through the rectification of silicon controlled rectifier 20 after silicon controlled rectifier 20 receives the DC electrical source of automatic controller 19, afterwards, rotor 12 and stator 11 produce electromagnetic eddy, make rotor 12 and damping device main shaft 1 produce damping simultaneously, restriction diesel engine main body 2 continues to accelerate, prevent diesel engine generation driving phenomenon.
When revolution detector 18 receives the signal of diesel engine main body 2 rotating speed lower than setting lower limit rotating speed, automatic controller 19 stops to the defeated DC electrical source of silicon controlled rectifier 20, silicon controlled rectifier 20 stops carrying electric current to drive coil 13 simultaneously, rotor 12 and stator 11 electromagnetism disappear, and diesel engine main body 2 is normally run.
The present invention can prevent the diesel engine of driving, and structure is simple, and the electromagnetic eddy utilizing rotor and stator to produce, makes rotor and damping device main shaft produce damping simultaneously, and restriction diesel engine main body continues to accelerate, and prevents diesel engine generation driving phenomenon.
In sum, above-mentioned mode of execution is not restricted mode of execution of the present invention, and the modification that all those skilled in the art carry out on the basis of flesh and blood of the present invention or equivalent deformation, all at technology category of the present invention.
Claims (6)
1. can prevent a diesel engine for driving, it is characterized in that: comprise damping device main shaft (1), the diesel engine main body (2) of power, diesel powered output shaft (3), diesel powered tailing axle (4), speed change gear (5) are provided, for detecting the revolution detector (18) of described diesel powered output shaft (3) rotating speed and the speed reducer for slowing down to described damping device main shaft (1), described diesel powered output shaft (3) is arranged on the right-hand member of described diesel engine main body (2), and described diesel powered tailing axle (4) is arranged on the left end of described diesel engine main body (2), described speed change gear (5) left end shaft is connected with described damping device main shaft (1), and described speed change gear (5) right-hand member axle is connected with described diesel powered tailing axle (4), described diesel engine main body (2) drives described diesel powered output shaft (3), diesel powered tailing axle (4), speed change gear (5) and damping device main shaft (1) to rotate, described speed reducer comprises housing (10), two stators (11), rotor (12) and drive coil (13), described stator (11), rotor (12) and drive coil (13) are arranged in described housing (10), two described stators (11) are arranged on the both sides of described rotor (12) respectively, described drive coil (13) is fixed on described stator (11), described stator (11) and described rotor (12) have certain gap, described rotor (12) and described damping device main shaft (1) coaxially fixedly mount, described revolution detector (18) is arranged on the side of described diesel powered output shaft (3), described diesel engine also comprises a control circuit, and described control circuit comprises automatic controller (19), silicon controlled rectifier (20) and personal control (21), described automatic controller (19) is connected with described revolution detector (18), and described automatic controller (19) is for the treatment of detecting that from described revolution detector (18) rotating speed of diesel powered output shaft (3) or acceleration and setting maximum speed or acceleration contrast, described personal control (21) is connected with described silicon controlled rectifier (20), and the artificial mode of described personal control (21) controls described silicon controlled rectifier (20), described silicon controlled rectifier (20) is connected with drive coil (13), described silicon controlled rectifier (20) is for becoming the alternating voltage of alternator or AC network supply into adjustable dc voltage, to the logical adjustable DC electric current of described drive coil (13), and carry out work according to the signal of described automatic controller (19) or described personal control (21) and pass to direct current (d.c.) size, described revolution detector (18) is connected with described drive coil (13) by described automatic controller (19), silicon controlled rectifier (20).
2. the diesel engine preventing driving according to claim 1, it is characterized in that: described diesel engine also comprises two water cooled seal lids (15), described water cooled seal lid (15) is fixed on described stator (11) inwall, described water cooled seal lid (15) and described stator (11) coordinate the water cooled seal room (17) being formed and be used for cooling to described speed reducer, described water cooled seal room (17) one end is communicated with water-cooled water intake (8), and the other end is communicated with water-cooled water outlet (9).
3. the diesel engine preventing driving according to claim 1, it is characterized in that: described diesel engine also comprises two oil cooling sealing covers (14), described oil cooling sealing cover (14) is fixed on described stator (11) outer wall, described oil cooling sealing cover (14) coordinates the oil cooling closed chamber (16) being formed and be used for cooling to described speed reducer with described stator (11), described oil cooling closed chamber (16) one end is communicated with described oil cooling water intake (6), and the other end is communicated with described oil cooling water outlet (7).
4. the diesel engine preventing driving according to claim 2, it is characterized in that: described stator (11) inwall is provided with some heat conduction muscle (23), described heat conduction muscle (23) is corresponding with described water cooled seal room (17).
5. the diesel engine preventing driving according to claim 1, is characterized in that: described housing (10) and described stator (11) are screwed.
6. the diesel engine of the prevented driving according to any one of claim 1 to 5, is characterized in that: described speed reducer is connected with described diesel engine main body (2) by flange plate (22).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410187545.8A CN103967609B (en) | 2014-05-05 | 2014-05-05 | The diesel engine of driving can be prevented |
| PCT/CN2014/077283 WO2015168953A1 (en) | 2014-05-05 | 2014-05-12 | Diesel engine capable of preventing propeller racing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410187545.8A CN103967609B (en) | 2014-05-05 | 2014-05-05 | The diesel engine of driving can be prevented |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103967609A CN103967609A (en) | 2014-08-06 |
| CN103967609B true CN103967609B (en) | 2016-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410187545.8A Expired - Fee Related CN103967609B (en) | 2014-05-05 | 2014-05-05 | The diesel engine of driving can be prevented |
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| Country | Link |
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| CN (1) | CN103967609B (en) |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2156292Y (en) * | 1992-07-31 | 1994-02-16 | 齐齐哈尔铁路分局昂昂溪机务段 | Fly rotation protective device for diesel engine |
| FR2803134B1 (en) * | 1999-12-22 | 2002-03-08 | Labinal | Eddy current retarder |
| FR2869479B1 (en) * | 2004-03-24 | 2007-02-16 | Telma Sa | ELECTROMAGNETIC RETARDER, MOTOR VEHICLE COMPRISING SUCH AN ELECTROMAGNETIC RETARDER AND METHOD FOR INSERTING SUCH RETARDER IN A MOTOR VEHICLE |
| CN101186183B (en) * | 2007-12-20 | 2010-04-21 | 陈传松 | Electric eddy speed damper |
| CN201304902Y (en) * | 2008-12-02 | 2009-09-09 | 江苏大学 | Self-exciting retarder with water cooling system |
| CN202545025U (en) * | 2012-04-28 | 2012-11-21 | 中国石油化工股份有限公司 | Diesel engine runaway control device |
| CN202685972U (en) * | 2012-08-08 | 2013-01-23 | 阳城国际发电有限责任公司 | Unloading car brake system with eddy current retarder |
| CN203978614U (en) * | 2014-05-05 | 2014-12-03 | 裘尧云 | Can prevent the diesel engine of driving |
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2014
- 2014-05-05 CN CN201410187545.8A patent/CN103967609B/en not_active Expired - Fee Related
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| CN103967609A (en) | 2014-08-06 |
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