CN201401234Y - Electronic governor for V-type water-cooled diesel engine - Google Patents
Electronic governor for V-type water-cooled diesel engine Download PDFInfo
- Publication number
- CN201401234Y CN201401234Y CN2009200043552U CN200920004355U CN201401234Y CN 201401234 Y CN201401234 Y CN 201401234Y CN 2009200043552 U CN2009200043552 U CN 2009200043552U CN 200920004355 U CN200920004355 U CN 200920004355U CN 201401234 Y CN201401234 Y CN 201401234Y
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- Prior art keywords
- electronic governor
- right cylinder
- oil
- diesel engine
- oil amount
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- Expired - Lifetime
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- 238000002347 injection Methods 0.000 claims abstract description 42
- 239000007924 injection Substances 0.000 claims abstract description 42
- 230000007246 mechanism Effects 0.000 claims abstract description 29
- 239000000725 suspension Substances 0.000 claims 2
- 230000003247 decreasing effect Effects 0.000 claims 1
- 239000000446 fuel Substances 0.000 abstract description 18
- 239000003921 oil Substances 0.000 description 49
- 230000001105 regulatory effect Effects 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
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- High-Pressure Fuel Injection Pump Control (AREA)
Abstract
The utility model relates to an electronic governor for a V-type water-cooled diesel engine. The V-type water-cooled diesel engine is provided with a left cylinder and a right cylinder which are arranged to form a V-shaped angle, the fuel injection pumps of the left cylinder and the right cylinder and a speed governing mechanism used for controlling the fuel volume of the fuel injection pumps of the left cylinder and the right cylinder are arranged in the V-shaped angle, wherein, the speed governing mechanism is an electronic governor which is arranged on the outer side of a box cover in the V-shaped angle, and the fuel injection pumps of the left cylinder and the right cylinder are arranged on the box cover. The utility model occupies small space, and the fuel injection pumps of the leftcylinder and the right cylinder and the electronic governor can be simultaneously arranged on the box cover in the V-shaped angle, thereby simplifying the structure of the box cover. Moreover, the electronic governor can simultaneously control the fuel volume of the fuel injection pumps of the left cylinder and the right cylinder through a common fuel volume adjusting mechanism.
Description
Technical Field
The utility model relates to an electronic governor for V type water-cooled diesel engine, especially one kind can make the compact structure of V type water-cooled diesel engine, and be suitable for miniaturized electronic governor.
Background
JP6-272615a discloses a V-type diesel engine, which adopts a V-type arrangement of a left cylinder and a right cylinder, and an oil injection pump and a speed regulating mechanism for controlling the oil quantity are arranged in an included angle of a box body of the V-type arrangement of the left cylinder and the right cylinder. The speed regulating mechanism in the prior art is a mechanical centrifugal speed regulator, and the speed regulator is complex in structure and needs to occupy larger space. In addition, if the V-shaped diesel engine is changed into a water-cooling type, related cooling fans, a water tank, a starting flywheel and other components occupy the longitudinal space along the crankshaft of the diesel engine, so that the longitudinal size of the box body between the V-shaped included angles is limited to a certain extent; if the speed regulator is longitudinally arranged towards the diesel engine, the height of the whole diesel engine is increased, the stability of the diesel engine is poor, and the speed regulator is very unfavorable for the miniaturization of the V-shaped water-cooled diesel engine.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide an electronic governor for V type water-cooled diesel engine, it can make V type water-cooled diesel engine structure is compacter, and is suitable for the miniaturization.
In order to solve the technical problem, the utility model provides an electronic governor for V type water-cooled diesel engine, V type water-cooled diesel engine has left and right cylinder that is V type contained angle range, has arranged left and right cylinder injection pump and control in this V type contained angle the speed adjusting mechanism of left and right cylinder injection pump oil mass size, wherein, this speed adjusting mechanism is an electronic governor, this electronic governor set up in the box lid outside in the V type contained angle, left and right cylinder injection pump sets up the box is covered.
Preferably, the left and right cylinder injection pumps have a common oil quantity adjusting mechanism, and the electronic speed regulator controls the throttle size of the left and right cylinder injection pumps through the oil quantity adjusting mechanism.
Preferably, the electronic speed regulator comprises a control module, a step motor, a rotation speed sensor and an accelerator position sensor, and the control module controls the action of the step motor according to signals input by the rotation speed sensor and the accelerator position sensor so as to drive the oil quantity adjusting mechanism to control the oil quantity of the oil injection pump of the left and right cylinders.
Preferably, the speed sensor detects a speed signal of a camshaft timing gear or a flywheel gear ring of the V-shaped water-cooled diesel engine and transmits the speed signal to the control module.
Preferably, the oil mass adjusting mechanism comprises an oil mass adjusting arm, an elastic element and an adjusting component connected with the elastic element, the oil mass adjusting arm is connected with the accelerator of the fuel injection pump of the left cylinder and the accelerator of the right cylinder, and the elastic element biases the accelerator in the direction of reducing the oil mass.
Preferably, one end of the adjusting component is connected with a motor rotating shaft of the electronic speed regulator, and the other end of the adjusting component is connected with the oil quantity adjusting arm.
Preferably, the adjusting component comprises a rocker arm, a pull rod and a ball head hanging pin, one end of the rocker arm is fixedly connected with the motor rotating shaft, the other end of the rocker arm is rotatably connected with one end of the pull rod through the ball head hanging pin, and the other end of the pull rod is rotatably connected with the oil amount adjusting arm.
Preferably, the ball head of the ball head hanging pin is movably arranged in an elongated slot of the rocker arm, the other end of the ball head hanging pin is fixedly arranged on the pull rod, and the elongated slot is an open slot.
Preferably, the elastic element biases the throttle in the direction of oil amount reduction by biasing the pull rod.
Preferably, the pull rod is supported in the positioning sleeve and has a limit structure for limiting circumferential rotation and stroke of the pull rod.
According to the utility model discloses an electronic governor for V type water-cooled diesel engine, it only needs to occupy very little space, consequently can cover the same box that injection pump and electronic governor set up in V type contained angle simultaneously, has simplified the structure of box lid.
And because the fuel injection pump adopts a common oil quantity adjusting mechanism to control, the electronic speed regulator can simultaneously control the oil quantity of the fuel injection pump through the oil quantity adjusting mechanism.
In addition, the arrangement of the elastic piece can enable the accelerator of the fuel injection pump to be always biased in the direction of reducing the fuel quantity, and the safety of the system can be ensured.
Drawings
The drawings are only intended to illustrate and explain the present invention and do not limit the scope of the invention. Wherein,
fig. 1 is a transverse cross-sectional view of an electronic governor and a V-water cooled diesel engine according to an embodiment of the present invention;
FIG. 2 is a longitudinal cross-sectional view of the electronic governor and a V-water cooled diesel engine of FIG. 1;
fig. 3 is a partially enlarged view of fig. 2, showing the arrangement of the oil amount adjusting mechanism therein;
fig. 4 is an exploded perspective view of an electronic governor and an oil amount adjusting mechanism in a V-type water-cooled diesel engine according to the present invention.
Detailed Description
In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described with reference to the accompanying drawings, in which like reference numerals refer to like parts in the drawings. In the description herein, "a" includes "a" and "more than one".
An electronic governor for a V-shaped water-cooled diesel engine according to a specific embodiment of the present invention is shown in fig. 1-3, and the diesel engine has a left cylinder 1 and a right cylinder 2 arranged with a V-shaped included angle, wherein pistons in the left cylinder 1 and the right cylinder 2 are connected to a crankshaft 3 through connecting rods 11 and 21, respectively.
When fuel oil in the diesel engine burns to do work, the pistons respectively reciprocate in the left and right cylinders 1 and 2, so as to drive the crankshaft 3 to do rotary motion in the crankcase through the connecting rods 11 and 21, and output power through the output end 31 of the crankshaft 3, referring to fig. 2, a starting flywheel 32, a cooling fan 33 and a water tank 34 are sequentially arranged on the opposite side of the output end 31 of the crankshaft 3 along the longitudinal direction of the crankshaft 3.
And an air distribution cam shaft 8 and an oil supply cam shaft 9 are respectively arranged in the V-shaped included angle of the diesel engine. The crankshaft 3 drives the timing gear 84 at one end of the distribution camshaft 8 to rotate through the crankshaft timing gear 34, so as to control the opening and closing of the valve, and realize the air intake and exhaust of the diesel engine. The oil feed camshaft 9 is rotated by a gear at the other end of the air distribution camshaft 8 to pump oil by the injection pump, which will be described in detail below.
As shown in fig. 2, a left cylinder injection pump 12, a right cylinder injection pump 22, and a speed regulating mechanism for controlling the amount of oil in the left and right cylinder injection pumps 12, 22 are disposed between the left and right cylinders 1, 2 arranged at a V-shaped included angle. To arrange the above-mentioned components, an opening 6 may be provided in the crankcase in the V-shaped angle, and a case cover 7 may be provided in the opening 6. The injection pumps 12, 22 are arranged on the housing cover 7 and project into the crankcase via an oil pump mount 71 on the housing cover 7. The speed regulating mechanism is an electronic speed regulator 5, and the electronic speed regulator 5 is arranged outside the box cover 7.
As shown in fig. 1, 2 and 3, the electronic governor 5 includes a control module (not shown), a stepping motor 53, a rotation speed sensor (not shown) and a throttle position sensor (not shown), and the control module controls the operation of the stepping motor 53 according to signals input by the rotation speed sensor and the throttle position sensor to drive the fuel quantity adjusting mechanism to control the fuel quantity of the fuel injection pumps 12, 22 of the left and right cylinders, so as to add or subtract fuel in a desired time. The rotational speed sensor can detect the speed signal of the control camshaft 8 or of the flywheel 32 and supply it to the control module. Specifically, a rotational speed sensor may be installed at a position of the crankcase housing corresponding to the timing gear 84 of the distribution camshaft 8 or the gear ring 321 of the flywheel 32, respectively, to detect a rotational speed signal thereof. In fig. 1 to 3, reference numeral 51 denotes a harness plug to which the stepping motor 53 is connected to the control module, and reference numeral 54 denotes a harness plug to which the rotational speed sensor is connected to the control module.
The stepping motor 53 is integrally fixed on the outer side of the case cover 7, and the motor shaft 52 extends into the crankcase through the small hole 72 on the case cover 7.
The injection pumps 12, 22 have a common oil quantity control, which comprises an oil quantity control arm 41 connected to the throttle of the injection pumps 12, 22, a spring 42 and a control unit 4 connected to the spring 42. The oil mass adjusting arm 41 is a fork-shaped member, the free ends of the two arms are respectively connected with the throttle of the oil injection pump 12, 22, the joint part of the two arms is rotatably connected with one end of the adjusting component 4 through a rotating shaft 411, and the other end of the adjusting component 4 is connected with a motor rotating shaft 52 of the stepping motor extending into the crankcase.
When the stepping motor is controlled to act, the motor rotating shaft 52 drives the oil quantity adjusting arm 41 to move through the adjusting assembly 4, and then the oil quantity adjusting arm 41 controls the size of the accelerator of the oil injection pump 12 and 22 connected with the oil quantity adjusting arm. The spring 42 biases the adjusting unit 4 connected thereto by the spring force always to one side, so that the throttle of the injection pump 12, 22 is always biased in the direction of reduced oil quantity.
Fig. 4 is an exploded perspective view of an electronic governor and an oil amount adjusting mechanism in a V-type water-cooled diesel engine according to the present invention.
As shown in fig. 4, the oil amount adjusting arm 41, the elastic member 42, and the adjusting assembly 4 of the oil amount adjusting mechanism are shown therein. The adjusting assembly 4 specifically includes a rocker arm 44, a pull rod 45 and a ball-end hanging pin 46, one end of the rocker arm 44 is fixedly connected with the motor rotating shaft 52, the other end is rotatably connected with one end of the pull rod 45 through the ball-end hanging pin 46, and the other end of the pull rod 45 is rotatably connected with the rotating shaft 411 of the oil amount adjusting arm 41. Specifically, one end of the rotating shaft 411 is fixed to the oil amount adjusting arm 41, and the other end is movably disposed in one of the grooves 451 of the pull rod 45.
The ball 47 of the ball hanging pin 46 is movably disposed in a long slot 48 of the rocker arm 44, and the other end is fixedly disposed on the pull rod 45, wherein the long slot 48 may be an open slot as shown in the figure, or a slot with two closed ends.
The resilient member 42 shown in fig. 4 is a compression spring which is fitted around the pull rod 45, one end of which abuts against the case cover 7 (as shown at 73 in fig. 3), and the other end of which biases against a flange 452 on the pull rod 45. By virtue of the provision of the spring element 42, the tie rod 45 can be biased to one side, so that the throttle of the injection pump 12, 22 is always biased in the direction of the reduced oil quantity.
The pull rod 45 is supported in a locating sleeve 49 for limiting lateral movement of the pull rod 45 to only that limited by the locating sleeve 49. In addition, the pull rod 45 is also provided with a limit structure for limiting the circumferential rotation of the pull rod, as shown in the figure, the end of the pull rod 45 is provided with a semicircular flat part 453, the corresponding positioning sleeve 49 is provided with a semicircular hole 491 matched with the positioning sleeve 49, and the semicircular flat part 453 of the pull rod 45 can be inserted into the semicircular hole 491 of the positioning sleeve 49 to move back and forth and limit the stroke of the semicircular flat part 453. Similarly, other types of stop screws or the like (not shown) may be provided to limit the circumferential rotation and travel of the adjustment rod 4.
The control process of the electronic governor for a V-type water-cooled diesel engine according to the present invention will be further described with reference to the accompanying drawings.
In the non-activated state, the accelerator of the injection pump 12, 22 of the diesel engine is biased to the fuel-off state by the elastic force of the elastic member 42.
When a starting motor (not shown) drives the flywheel 10 and the crankshaft 3 to rotate, the electronic governor 5 enables the control module to enter a starting state through signals detected by a rotation speed sensor and an accelerator position sensor, and controls a motor rotating shaft 52 of the stepping motor 53 to rotate.
When the control module judges that the current diesel engine needs to increase or decrease the oil supply amount according to the signals, the control module converts the oil amount to be supplied into the rotation angle of the rotating shaft 52 of the stepping motor, and outputs a driving signal to the stepping motor 53 to enable the rotating shaft 52 of the motor to rotate to a preset position, the rotating shaft 52 of the motor drives the rocker arm 44 fixedly connected with the rotating shaft to rotate, the ball head hanging pin 46 in the long groove 48 of the rotating shaft is stirred through the rotation of the rocker arm 44, the ball head hanging pin 46 transmits stirring force to the pull rod 45 fixedly connected with the rotating shaft, the pull rod 45 overcomes the elastic force of the elastic piece 42 and moves along the direction limited by the positioning sleeve 49, and after the movement of the pull rod 45 is transmitted to the oil amount adjusting arm 41, the accelerator connected with the two support arms of the oil amount adjusting arm 41 is driven to rotate anticlockwise around the centers of the oil injection pumps 12 and 22. The control module can enable the diesel engine to operate under various working conditions through an accelerator pedal or corresponding potentiometer signals.
When the diesel engine stops running or the stepping motor 53 cuts off the current, the elastic part 42 overcomes the static resistance of the rotating shaft 52 of the stepping motor and the friction resistance of the relevant moving parts to drive the speed regulating mechanism to return to the oil-cut-off state, thereby realizing the protection of the diesel engine.
The above description of the process is merely exemplary and the increase in throttle may be in a clockwise setting and the decrease in throttle may be in a counterclockwise setting.
According to the utility model discloses an above-mentioned concrete embodiment's an electronic governor 5 for V type water-cooled diesel engine has replaced the mechanical centrifugal governor that needs occupy great space, can set up injection pump 12, 22 and electronic governor 5 on same box lid 7, has simplified the structure of box lid 7.
Moreover, since the injection pumps 12, 22 are controlled by a common oil amount adjusting mechanism, the electronic governor 5 can simultaneously control the oil amount of the injection pumps 12, 22 by the oil amount adjusting mechanism.
In addition, the elastic element 42 is arranged to enable the throttle of the fuel injection pumps 12 and 22 to be always biased in the direction of oil reduction, and the safety of the system can be ensured.
The utility model discloses also can be used to be the water-cooled diesel engine more than 2 jars of V type range.
The above description is only exemplary of the present invention, and is not intended to limit the scope of the present invention. Any equivalent changes, modifications and combinations that may be made by those skilled in the art without departing from the spirit and principles of the invention should be considered within the scope of the invention.
Claims (10)
1. The utility model provides an electronic governor for V type water-cooled diesel engine, V type water-cooled diesel engine has left and right cylinder (1, 2) that are V type contained angle range, has arranged left and right cylinder injection pump (12, 22) and control in this V type contained angle left and right cylinder injection pump (12, 22) the speed adjusting mechanism of oil mass size, its characterized in that, this speed adjusting mechanism be an electronic governor (5), this electronic governor (5) set up in box lid (7) outside in the V type contained angle, left and right cylinder injection pump (12, 22) set up on box lid (7).
2. The electronic governor according to claim 1, wherein the left and right cylinder injection pumps (12, 22) have a common oil amount adjusting mechanism, and the electronic governor (5) controls the amount of oil of the left and right cylinder injection pumps (12, 22) by the oil amount adjusting mechanism.
3. The electronic governor according to claim 1 or 2, wherein the electronic governor (5) comprises a control module, a stepping motor (53), a rotation speed sensor and a throttle position sensor, and the control module controls the operation of the stepping motor (53) according to signals input by the rotation speed sensor and the throttle position sensor to drive the oil amount adjusting mechanism to control the amount of oil of the left and right cylinder injection pumps (12, 22).
4. The electronic governor according to claim 3, wherein the rotational speed sensor detects a speed signal of a distribution camshaft (8) or a flywheel (32) of the V-type water-cooled diesel engine and supplies it to the control module.
5. The electronic governor according to claim 1, wherein the oil amount adjusting mechanism includes an oil amount adjusting arm (41), an elastic member (42), and an adjusting unit (4) connected to the elastic member (42), the oil amount adjusting arm (41) being connected to a throttle of the left and right cylinder injection pumps (12, 22), the elastic member (42) biasing the throttle in a direction in which the amount of oil is reduced.
6. The electronic governor of claim 5, wherein the adjusting assembly (4) is connected at one end to a motor shaft (52) of the electronic governor (5) and at the other end to the oil amount adjusting arm (41).
7. The electronic governor of claim 6, wherein the adjusting assembly (4) comprises a rocker arm (44), a pull rod (45) and a ball suspension pin (46), one end of the rocker arm (44) is fixedly connected with the motor rotating shaft (52), the other end of the rocker arm is rotatably connected with one end of the pull rod (45) through the ball suspension pin (46), and the other end of the pull rod (45) is rotatably connected with the oil amount adjusting arm (41).
8. The electronic governor according to claim 7, wherein the ball head (47) of the ball head hanging pin (46) is movably disposed in an elongated slot (48) of the rocker arm (44), and the other end is fixedly disposed on the pull rod (45), and the elongated slot (48) is an open slot.
9. The electronic governor according to claim 7 or 8, wherein the resilient member (42) biases the throttle in a direction of decreasing oil amount by biasing the tie rod (45).
10. The electronic governor according to claim 7 or 8, wherein the tie rod (45) is supported in a locating sleeve (49) and has a limit structure that limits its circumferential rotation and travel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200043552U CN201401234Y (en) | 2009-02-05 | 2009-02-05 | Electronic governor for V-type water-cooled diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200043552U CN201401234Y (en) | 2009-02-05 | 2009-02-05 | Electronic governor for V-type water-cooled diesel engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201401234Y true CN201401234Y (en) | 2010-02-10 |
Family
ID=41661034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200043552U Expired - Lifetime CN201401234Y (en) | 2009-02-05 | 2009-02-05 | Electronic governor for V-type water-cooled diesel engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201401234Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103216345A (en) * | 2013-05-07 | 2013-07-24 | 北京机械设备研究所 | Speed-regulation actuator installation device of parking power-taking power generation system |
| CN114790947A (en) * | 2021-01-26 | 2022-07-26 | 丁士才 | An engine speed control system |
-
2009
- 2009-02-05 CN CN2009200043552U patent/CN201401234Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103216345A (en) * | 2013-05-07 | 2013-07-24 | 北京机械设备研究所 | Speed-regulation actuator installation device of parking power-taking power generation system |
| CN114790947A (en) * | 2021-01-26 | 2022-07-26 | 丁士才 | An engine speed control system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100210 |