CN204402676U - A kind of high-power diesel engine DC brushless motor speed regulating actuator - Google Patents
A kind of high-power diesel engine DC brushless motor speed regulating actuator Download PDFInfo
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- CN204402676U CN204402676U CN201520002046.7U CN201520002046U CN204402676U CN 204402676 U CN204402676 U CN 204402676U CN 201520002046 U CN201520002046 U CN 201520002046U CN 204402676 U CN204402676 U CN 204402676U
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- brushless motor
- diesel engine
- main shaft
- inverted
- fan
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Abstract
The utility model provides a kind of high-power diesel engine DC brushless motor speed regulating actuator, comprise inverted T shape support, be arranged on the DC brushless motor of inverted T shape support side and be arranged on the guide pin bushing of inverted T shape support opposite side, the terminal mounting ends lid of guide pin bushing, in guide pin bushing, flange plate is set, the right side of flange plate and one end of speed reducer are connected, the other end of speed reducer is arranged on inverted T shape support, the output shaft of DC brushless motor is connected by coupling with the input shaft of speed reducer, the output shaft of speed reducer is connected with main shaft, main shaft is set with fan-shaped gearwheel and main shaft and fan-shaped gearwheel are integrated, the left side sensor installation support of flange plate, corner displacement sensor is arranged on sensor stand, sensor stand also installs fan-shaped measuring gear, fan-shaped measuring gear engages with fan-shaped gearwheel, main shaft is set with rocking arm through the part of end cap, rocking arm is connected with diesel injection pump tooth bar.The utility model is applicable to high-power diesel engine, and the simple precision of structure is high.
Description
Technical field
The utility model relates to a kind of diesel engine speed regulation final controlling element, particularly relates to a kind of high-power diesel engine DC brushless motor speed regulating actuator.
Background technique
Increasingly severe energy shortage and environmental issue require that diesel engine improves constantly its performance, to reduce fuel consume and to reduce pollutant emission.Electronic speed regulation technology as one of diesel electric-controlled core technology has significant impact to diesel engine performance, and in Digital Governor for System Diesel Engine, the parts of most critical are actuators.On China's ship diesel, most use position controls formula electronic speed regulation final controlling element at present, mainly contains electromagnetic type, electrolyte type and motor type three types by working principle.
Electromagnetic actuator structure, normally proportion electro-magnet.As 2006, internal-combustion engine the 2nd phase paper " research of New Digital Electronic Speed Governor for Diesel Engine " the middle electromagnetic actuator introduced was direct current proportion electro-magnet, the driving force in Injection Pump ratch fuel feeding direction is directly proportional to the operating current by electromagnetic actuator winding, subtracts oily direction reposition force and is produced by Returnning spring.When two equilibrium of forces, output shaft is positioned at corresponding equilibrium position; If increase the operating amperage of final controlling element, then Injection Pump fuel feeding ratch moves to oiling direction; Otherwise, then move to subtracting oily direction.Its shortcoming is the restriction that maximum driving force is subject to coil and maximum operating currenbt, thus joins machine scope and is only limited on the diesel engine of middle low power.
For high-power diesel engine, its speed regulating actuator generally adopts electrolyte type or motor type.If the patent No. is the Chinese patent of 200520010074.X, propose a kind of final controlling element of diesel engine electrohydraulic speed regulator, it is made up of electromagnetic transducer, spring loaded, control valve, reduction valve, power piston, filter, oil pump, output shaft and transmission shaft etc., there is the advantages such as thrust is large, electrical power consumed is low, but hydraulic actuator requires high to part processing precision, and need the reasons such as additional hydraulic drive source, cause system architecture complicated, limit it and use.
Adopt motor as the critical component of diesel engine positioning control formula electronic speed regulation final controlling element, obtain research, if the patent No. is the Chinese patent of 02243850.5, propose a kind of straight-line moving electronic controlled electric throttle actuator, be there are housing, minisize dc reducing motor, reducing gear, two links connected by screw-driven, manually adjust knob, manual/electric change-over switch mechanism, axial limiting body, circuit for controlling motor.This structure function is complicated, and adopt direct current generator as moving element, reducing gear does not have backlash eliminator, and screw-driven is difficult to ensure precision.
In addition, propose in August, 2008 to adopt limited angle torque motor as diesel engine speed regulation final controlling element in Harbin Engineering University's Journal These " limited angle torque motor is as the design studies of diesel engine speed regulation actuator ".Limited angle torque motor design is complicated, and Costco Wholesale is higher, controls complicated.During as final controlling element, volume is comparatively large, and therefore application is restricted.
Summary of the invention
The purpose of this utility model is to provide a kind of simple and compact for structure, high-power diesel engine DC brushless motor speed regulating actuator that precision is high.
The purpose of this utility model is achieved in that and comprises inverted T shape support, be arranged on the DC brushless motor of inverted T shape support side and be arranged on the guide pin bushing of inverted T shape support opposite side, the terminal mounting ends lid of guide pin bushing, flange plate is provided with in guide pin bushing, the right side of flange plate and one end of speed reducer are connected, the other end of speed reducer is arranged on inverted T shape support, the output shaft of DC brushless motor is connected by coupling with the input shaft of speed reducer, the output shaft of speed reducer is connected with main shaft, main shaft is set with fan-shaped gearwheel and main shaft and fan-shaped gearwheel are integrated, the left side sensor installation support of flange plate, corner displacement sensor is arranged on sensor stand, sensor stand also installs fan-shaped measuring gear, fan-shaped measuring gear engages with fan-shaped gearwheel, main shaft is set with rocking arm through the part of end cap, rocking arm is connected with diesel injection pump tooth bar.
The utility model also comprises some structure characteristics like this:
1. the both sides of the sensor stand on the left side of described flange plate are separately installed with left limit block and right limit block.
2. the end face contacted with inverted T shape support at speed reducer arranges seam dish.
3. have fastening through-hole in inverted T shape cantilever tip.
4. corner scale is set on the outer surface of described end cap, main shaft is provided with pointer.
Compared with prior art, the beneficial effects of the utility model are: the utility model employing DC brushless motor coordinates with speed reducer the speed governing realizing high-power diesel engine, and DC brushless motor system to have specific power high, fast response time, reliability is high, efficiency is high, electromagnetic pollution is little, the advantages such as maintenance cost is low, therefore the critical piece of integrated accurate retarding machine as final controlling element of high power DC brushless electric machine and function admirable is adopted, DC brushless motor drives rocking arm to control fuel injection quantity by speed reducer, and positive stop is installed with the corner output area of limit spindle, compact structure, control accuracy is high, high-power diesel engine electronic speed regulation function can be realized preferably.In specific works process, the utility model reduces the rotating speed of direct current generator by speed reducer, and increases torque, by corner displacement sensor feedback corner output information, the accurate control to injection pump rack can be realized, reach diesel engine positioning control formula electronic speed regulation function.Relative to prior art, the utility model can ensure the reliable control of diesel engine speed, and its speed of response is very fast, and output torque is large, compact structure, and the rotating speed being highly suitable for high-power diesel engine controls.
Accompanying drawing explanation
Fig. 1 is plan view of the present utility model;
Fig. 2 is left view of the present utility model;
Fig. 3 is plan view of the present utility model;
Fig. 4 is the partial sectional view of the A-A of Fig. 3.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the utility model is described in further detail.
Case study on implementation one: composition graphs 1 and Fig. 2, the utility model comprises inverted T shape support 5, be arranged on the DC brushless motor 6 of inverted T shape support 5 side and be arranged on the guide pin bushing 4 of inverted T shape support 5 opposite side, the terminal mounting ends lid 3 of guide pin bushing 4, flange plate 14 is provided with in guide pin bushing 4, the right side of flange plate 14 and one end of speed reducer 12 are connected, the other end of speed reducer 12 is arranged on inverted T shape support 5, also namely speed reducer 12 adopts two means of fixation, ensure that intensity of the present utility model, the output shaft of DC brushless motor 6 is connected by coupling with the input shaft of speed reducer 12, the output shaft of speed reducer 12 is connected with main shaft 2, main shaft 2 is set with fan-shaped gearwheel 15 and main shaft 2 and fan-shaped gearwheel 15 are integrated, also namely main shaft 2 is the gear shafts being set with fan-shaped gearwheel 15, make compact structure, the left side sensor installation support 9 of flange plate 14, corner displacement sensor is arranged on sensor stand 9, sensor stand 9 is also installed fan-shaped measuring gear 8, fan-shaped measuring gear 8 engages with fan-shaped gearwheel 15, and corner displacement sensor is by detecting the corner information of fan-shaped measuring gear 8, realize the detection to main shaft 2 output corner, main shaft 2 is set with rocking arm 1 through the part of end cap 3, rocking arm 1 is connected with diesel injection pump tooth bar.Specifically, the utility model is be fixedly mounted near diesel injection pump tooth bar by inverted T shape support 5 in the course of the work, DC brushless motor 6 and guide pin bushing 4 are all fixed by screws on inverted T shape support 5, guide pin bushing 4 left end is equipped with end cap 3, it is inner that speed reducer 12 is arranged on guide pin bushing 4, and be connected with direct current generator 6 by coupling, direct current generator 6 is connected with main shaft 2 by speed reducer 12 and fan-shaped gearwheel 15, main shaft 2 passes from end cap 3 and connects diesel injection pump tooth bar by rocking arm 1, also namely guide pin bushing 4 left end is equipped with end cap 3, end cap 3 has seal groove, sealing felt collar is installed in seal groove, main shaft 2 is through end cap 3 and by sealing felt collar realization sealing, corner displacement sensor setting is in guide pin bushing 4 and be fixed on the end face of flange of guide pin bushing 4 by sensor stand 9, direct current generator 6 controls main shaft 2 and drives injection pump rack to move.
In the utility model, fan-shaped gearwheel 15 adopts and is less than 90 degree of sector structures, fan-shaped measuring gear 8 also adopts sector structure, and process lightening hole, to reduce the weight of fan-shaped measuring gear 8, main shaft 2 and rocking arm 1, by spline joint, are mainly arranged external splines in the end of main shaft 2; relevant position of rocking arm 1 arranges internal spline, are connected and use bolton by spline fitted.
Case study on implementation two: based on above-mentioned case study on implementation, the both sides of the sensor stand 9 of the utility model on the left side of described flange plate 14 are separately installed with left limit block 7 and right limit block 11, the position of left and right positive stop can adjust, the maximum output angle of main shaft 2 is made to be adjusted and to limit, main shaft 2 can be avoided because of inertia to continue motion, define the angle range of main shaft 2, control accuracy is improved.Sensor stand 5 of the present utility model, left limit block 7 and right limit block 11 are all arranged in guide pin bushing 4, with screw fastening on the end face of flange of guide pin bushing 4, and seal with end cap 3.
Case study on implementation three: based on above-mentioned case study on implementation, the utility model arranges seam dish 10 on the end face contacted with inverted T shape support 5 at speed reducer 12, by seam dish 10 and motor 6, seam dish 10 and the seam centering of speed reducer 12, ensure that speed reducer 12 is coaxial with DC brushless motor 6.
Case study on implementation four: based on above-mentioned case study on implementation, composition graphs 3 and Fig. 4, the utility model is having fastening through-hole 13 on inverted T shape support 5 top, also namely fastening through-hole 13 is had on the top of inverted T shape support 5, fastening through-hole 13 leads to the position of the coupling that speed reducer 12 is connected with DC brushless motor 6, and fastening through-hole 13 steps up screw on fastening coupling.
Case study on implementation five: based on above-mentioned case study on implementation, the utility model arranges corner scale on the outer surface of described end cap 3, main shaft 2 is provided with pointer, also namely on end cap 3 outer wall, corner scale is drawn, pointer installed by main shaft 2, pointer and end cap 3 wall contacts, main shaft 2 drives indicators turn, to show main shaft 2 rotation angle, make observation simple and convenient.
DC brushless motor described in the utility model and speed reducer adopt the AKM series brushless servomotor AKM63Q-ANCNDB of the special Science and Technology Ltd. of Beijing Emma and model to be the integrated accurate retarding machine of AB142-010-S1-P2.In work, the information such as the diesel engine speed that controller obtains according to sensor, load, coolant temperature, inquiry MAP table, obtains the predefined value that this controls the angle of eccentricity output quantity of oil spout, controls the rotation of DC servo motor accordingly.And pass through the actual rotational angle output quantity of corner displacement sensor feedback actuating motor, adopt PID to control, guarantee that DC servo motor rotates angle accurately, thus control diesel engine speed accurately.
Claims (9)
1. a high-power diesel engine DC brushless motor speed regulating actuator, it is characterized in that: comprise inverted T shape support, be arranged on the DC brushless motor of inverted T shape support side and be arranged on the guide pin bushing of inverted T shape support opposite side, the terminal mounting ends lid of guide pin bushing, flange plate is provided with in guide pin bushing, the right side of flange plate and one end of speed reducer are connected, the other end of speed reducer is arranged on inverted T shape support, the output shaft of DC brushless motor is connected by coupling with the input shaft of speed reducer, the output shaft of speed reducer is connected with main shaft, main shaft is set with fan-shaped gearwheel and main shaft and fan-shaped gearwheel are integrated, the left side sensor installation support of flange plate, corner displacement sensor is arranged on sensor stand, sensor stand also installs fan-shaped measuring gear, fan-shaped measuring gear engages with fan-shaped gearwheel, main shaft is set with rocking arm through the part of end cap, rocking arm is connected with diesel injection pump tooth bar.
2. a kind of high-power diesel engine DC brushless motor speed regulating actuator according to claim 1, is characterized in that: the both sides of the sensor stand on the left side of described flange plate are separately installed with left limit block and right limit block.
3. a kind of high-power diesel engine DC brushless motor speed regulating actuator according to claim 1 and 2, is characterized in that: on the end face that speed reducer contacts with inverted T shape support, arrange seam dish.
4. a kind of high-power diesel engine DC brushless motor speed regulating actuator according to claim 1 and 2, is characterized in that: have fastening through-hole in inverted T shape cantilever tip.
5. a kind of high-power diesel engine DC brushless motor speed regulating actuator according to claim 3, is characterized in that: have fastening through-hole in inverted T shape cantilever tip.
6. a kind of high-power diesel engine DC brushless motor speed regulating actuator according to claim 1 and 2, is characterized in that: on the outer surface of described end cap, arrange corner scale, main shaft is provided with pointer.
7. a kind of high-power diesel engine DC brushless motor speed regulating actuator according to claim 3, is characterized in that: on the outer surface of described end cap, arrange corner scale, main shaft is provided with pointer.
8. a kind of high-power diesel engine DC brushless motor speed regulating actuator according to claim 4, is characterized in that: on the outer surface of described end cap, arrange corner scale, main shaft is provided with pointer.
9. a kind of high-power diesel engine DC brushless motor speed regulating actuator according to claim 5, is characterized in that: on the outer surface of described end cap, arrange corner scale, main shaft is provided with pointer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520002046.7U CN204402676U (en) | 2015-01-04 | 2015-01-04 | A kind of high-power diesel engine DC brushless motor speed regulating actuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520002046.7U CN204402676U (en) | 2015-01-04 | 2015-01-04 | A kind of high-power diesel engine DC brushless motor speed regulating actuator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204402676U true CN204402676U (en) | 2015-06-17 |
Family
ID=53426544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520002046.7U Withdrawn - After Issue CN204402676U (en) | 2015-01-04 | 2015-01-04 | A kind of high-power diesel engine DC brushless motor speed regulating actuator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204402676U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104533635A (en) * | 2015-01-04 | 2015-04-22 | 哈尔滨工程大学 | High-power diesel brushless direct current motor speed regulating actuator |
-
2015
- 2015-01-04 CN CN201520002046.7U patent/CN204402676U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104533635A (en) * | 2015-01-04 | 2015-04-22 | 哈尔滨工程大学 | High-power diesel brushless direct current motor speed regulating actuator |
| CN104533635B (en) * | 2015-01-04 | 2017-05-24 | 哈尔滨工程大学 | High-power diesel brushless direct current motor speed regulating actuator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150617 Effective date of abandoning: 20170524 |