CN212583857U - Starter integrated with fuel oil transfer pump - Google Patents
Starter integrated with fuel oil transfer pump Download PDFInfo
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- CN212583857U CN212583857U CN202021251237.4U CN202021251237U CN212583857U CN 212583857 U CN212583857 U CN 212583857U CN 202021251237 U CN202021251237 U CN 202021251237U CN 212583857 U CN212583857 U CN 212583857U
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- starter
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- delivery pump
- electrically connected
- oil
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Abstract
The utility model discloses an integrated starter that has fuel oil transfer pump belongs to the starter field, solves traditional starter and causes the problem that spare part is in large quantity with the split type structure of fuel oil transfer pump. The starter comprises a starter body, wherein one end of an armature shaft of the starter body is connected with a flywheel gear ring of the diesel engine through a clutch assembly, the other end of the armature shaft of the starter body is connected with a fuel delivery pump, an oil inlet pipe of the fuel delivery pump is communicated with an oil tank, an oil outlet pipe of the fuel delivery pump is communicated with a diesel engine fuel system, a bypass oil pipe is arranged between the oil inlet pipe and the oil outlet pipe, and an electromagnetic valve is arranged on the bypass oil pipe; the starter further comprises a control system, and the armature coil, the clutch assembly and the electromagnetic valve of the starter body are electrically connected with the control system. The utility model discloses a starter reduces spare part quantity, and this starter not only can regard as the fuel oil system pipeline before the diesel engine starts to get rid of the air, can also regard as the diesel engine fuel oil transfer pump commonly used to use.
Description
Technical Field
The utility model relates to a starter, more specifically say, it relates to an integrated starter that has fuel oil transfer pump.
Background
After the diesel engine is parked for a period of time, air is easy to enter a pipeline of a fuel system, so that the starting is difficult or even impossible. For this reason, it is usually necessary to manually operate a manual fuel delivery pump or to start an electric fuel delivery pump to remove air from the fuel system for normal and rapid start of the diesel engine.
However, the manual mechanical fuel delivery pump operated manually has the problems of low efficiency, inconvenient operation, long pressure establishment time in a fuel system pipeline, poor degassing effect and the like, and the manual operation close to the diesel engine is required, so that the starting requirement of the diesel engine with remote unattended type application is difficult to meet. For the electric fuel oil transfer pump, although the efficiency is higher, the split structure has more parts, and accordingly the failure rate is higher and the cost of the diesel engine is increased more.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is not enough to the above-mentioned of prior art, and its purpose provides an integrated starter that has fuel oil transfer pump, effectively reduces spare part quantity, the cost is reduced, convenient assembling.
The technical scheme of the utility model is like this: a starter integrated with a fuel delivery pump comprises a starter body, wherein one end of an armature shaft of the starter body is connected with a flywheel gear ring of a diesel engine through a clutch assembly, the other end of the armature shaft of the starter body is connected with the fuel delivery pump, an oil inlet pipe of the fuel delivery pump is communicated with an oil tank, an oil outlet pipe of the fuel delivery pump is communicated with a diesel engine fuel system pipeline, a bypass oil pipe is arranged between the oil inlet pipe and the oil outlet pipe, and an electromagnetic valve is arranged on the bypass oil pipe; the starter further comprises a control system, and the armature coil, the clutch assembly and the electromagnetic valve of the starter body are electrically connected with the control system.
As a further improvement, the clutch assembly comprises an engaging gear, a shifting fork clamping sleeve, a shifting fork, a pull rod and a coil, wherein the shifting fork clamping sleeve is installed at one end of an armature shaft, the engaging gear is installed on the armature shaft on one side of the shifting fork clamping sleeve, the engaging gear is meshed with a flywheel gear ring of the diesel engine and is connected with the starter body in a rotating mode, the two ends of the shifting fork are respectively connected with the shifting fork clamping sleeve and the pull rod, and the coil is sleeved on the periphery of the pull rod.
Further, the control system comprises a power supply and a control module, the coil is electrically connected with the power supply through a coil signal switch, the coil signal switch is electrically connected with the control module, the electromagnetic valve is electrically connected with the power supply through an electromagnetic valve signal switch, the electromagnetic valve signal switch is electrically connected with the control module, an armature coil of the starter body is electrically connected with the power supply through a circuit switching assembly, and the circuit switching assembly is electrically connected with the control module.
Furthermore, the circuit switching assembly comprises an electromagnetic switch contact, and a contact a and a contact b which are matched with the electromagnetic switch contact, the electromagnetic switch contact is installed at one end of the pull rod, the contact a is electrically connected with the power supply, the contact b is electrically connected with the armature coil, an armature coil signal switch is electrically connected between the contact a and the contact b, and the armature coil signal switch is electrically connected with the control module.
Further, the control system further comprises a fuel pressure sensor, the fuel pressure sensor is installed in a fuel pipeline of the diesel engine fuel system, and the fuel pressure sensor is electrically connected with the control module.
Furthermore, a one-way valve is arranged on the oil outlet pipe between the bypass oil pipe and the diesel engine fuel system pipeline.
Furthermore, the armature shaft of the starter body is connected with the fuel oil delivery pump through a reduction gear set, one end of the starter body is provided with a rear end cover, and an end cover shaft sleeve is arranged between the reduction gear set and the rear end cover.
Advantageous effects
Compared with the prior art, the utility model, have following advantage:
the utility model discloses an integrated starter that has fuel oil transfer pump, through setting up fuel oil transfer pump integration on the starter body, the spare part quantity has effectively been reduced, therefore, the carrier wave prepaid electric energy meter is low in cost, and convenient assembling, and adopt control system control starter body to drive fuel oil transfer pump work, shorten the elimination time of air in the fuel oil system pipeline, effectively reduce spare part quantity, therefore, the carrier wave prepaid electric energy meter is low in cost, this starter not only can regard as the fuel oil system pipeline before the diesel engine starts to get rid of the air simultaneously, establish certain fuel pressure, the diesel engine of being convenient for starts, can also regard as the fuel oil transfer pump commonly used of diesel engine to use.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a control schematic diagram of the present invention.
Wherein: 1-a starter body, 2-a rear end cover, 3-a reduction gear set, 4-a fuel oil delivery pump, 6-an oil outlet pipe, 7-a bypass oil pipe, 8-a one-way valve, 11-an electromagnetic valve, 12-an oil inlet pipe, 14-an end cover shaft sleeve, 16-a meshing gear, 17-a diesel engine flywheel gear ring, 18-a rotating shaft, 19-a shifting fork and 20-a pull rod, 21-coil, 22-electromagnetic switch contact, 23-a contact, 24-b contact, 25-coil signal switch, 26-power supply, 27-fuel pressure sensor, 28-control module, 29-electromagnetic valve signal switch, 30-start button, 31-armature coil signal switch, 34-armature shaft, 35-armature coil and 36-shifting fork sleeve.
Detailed Description
The invention will be further described with reference to specific embodiments shown in the drawings.
Referring to fig. 1-2, the starter integrated with a fuel delivery pump of the present invention includes a starter body 1, one end of an armature shaft 34 of the starter body 1 is connected with a flywheel gear ring 17 of the diesel engine through a clutch component, the other end of the armature shaft 34 of the starter body 1 is connected with a fuel oil delivery pump 4, the starter armature shaft 34 respectively drives the fuel oil delivery pump 4 to start and a diesel engine to start, an oil inlet pipe 12 of the fuel oil delivery pump 4 is communicated with an oil tank, an oil outlet pipe 6 of the fuel oil delivery pump 4 is communicated with a diesel engine fuel oil system pipeline, when the fuel oil delivery pump 4 works, fuel is sucked in through the oil inlet pipe 12 and then is supplied to a fuel system pipeline of the diesel engine through the oil outlet pipe 6, a bypass oil pipe 7 is arranged between the oil inlet pipe 12 and the oil outlet pipe 6, and an electromagnetic valve 11 is arranged on the bypass oil pipe 7 and can conduct and reflux the fuel oil in the oil outlet pipe 6; the starter also comprises a control system, wherein the armature coil 35, the clutch assembly and the electromagnetic valve 11 of the starter body 1 are electrically connected with the control system, and the control system controls the armature coil 35 to work, so that the fuel oil pump 4 and the diesel engine are driven to work.
Specifically, the clutch assembly comprises an engaging gear 16, a shifting fork sleeve 36, a shifting fork 19, a pull rod 20 and a coil 21, wherein the shifting fork sleeve 36 is installed at one end of an armature shaft 34, the engaging gear 16 is installed on the armature shaft 34 on one side of the shifting fork sleeve 36, the engaging gear 16 is engaged and connected with a diesel engine flywheel gear ring 17, the middle part of the shifting fork 19 is rotatably connected with the starter body 1 through a rotating shaft 18, two ends of the shifting fork 19 are respectively connected with the shifting fork sleeve 36 and the pull rod 20, so that the shifting fork sleeve 36, the shifting fork 19 and the pull rod 20 form a lever, the coil 21 is sleeved on the periphery of the pull rod 20, and the coil 21 is electrified to drive the pull rod 20 to move.
Specifically, the control system includes a power supply 26 and a control module 28, wherein the coil 21 is electrically connected to the power supply 26 through a coil signal switch 25, the coil signal switch 25 is electrically connected to the control module 28, the control module 28 controls the coil 21 to be turned on or off through the control coil signal switch 25, the solenoid valve 11 is electrically connected to the power supply 26 through a solenoid valve signal switch 29, the solenoid valve signal switch 29 is electrically connected to the control module 28, the control module 28 controls the solenoid valve 11 to be turned on or off through the control solenoid valve signal switch 29, the armature coil 35 of the starter body 1 is electrically connected to the power supply 26 through a circuit switching component, and the circuit switching component is electrically connected to the control module 28. Preferably, the circuit switching assembly includes an electromagnetic switch contact 22 and an a contact 23 and a b contact 24 that are matched with the electromagnetic switch contact 22, wherein the electromagnetic switch contact 22 is installed at one end of the pull rod 20, the a contact 23 is electrically connected with the power supply 26, the b contact 24 is electrically connected with the armature coil 35, an armature coil signal switch 31 is electrically connected between the a contact 23 and the b contact 24, and the armature coil signal switch 31 is electrically connected with the control module 28, when the pull rod 20 moves, the electromagnetic switch contact 22 is driven to move, so that the electromagnetic switch contact is engaged with and communicated with the a contact 23 and the b contact 24, the armature coil 35 is controlled to be powered on and powered off, and meanwhile, the control module 28 also controls the armature coil 35 to be powered on and powered off by controlling the armature coil signal switch.
Preferably, the control system further comprises a fuel pressure sensor 27, the fuel pressure sensor 27 is installed in a fuel pipeline of the diesel engine fuel system, and the fuel pressure sensor 27 is electrically connected with the control module 28, and is used for detecting the fuel pressure of the fuel pipeline in real time and feeding the fuel pressure back to the control module 28.
Preferably, the control system further includes an activation button 30, and the activation button 30 is electrically connected to the control module 28 for controlling the control module 28 to turn on or off.
Preferably, a check valve 8 is arranged on the oil outlet pipe 6 between the bypass oil pipe 7 and the diesel engine fuel system pipeline to prevent the fuel from flowing back.
Preferably, the armature shaft 34 of the starter body 1 is connected with the fuel delivery pump 4 through the reduction gear set 3, one end of the starter body 1 is provided with the rear end cover 2, an end cover shaft sleeve 14 is arranged between the reduction gear set 3 and the rear end cover 2, a reduction gear is arranged outside the reduction gear set 3 and is connected with the end cover shaft sleeve 14, the end cover shaft sleeve 14 is connected with the rear end cover 2, the fuel delivery pump 4 is connected with the end cover shaft sleeve 14, the armature shaft 34 of the starter body 1 penetrates through the end cover shaft sleeve 14 to be connected with the input shaft of the reduction gear set 3, the output shaft of the reduction gear set 3 is connected with the pump shaft of the fuel delivery pump 4, so that the fuel delivery pump 4 is driven to work, the fuel delivery pump is driven to work after the speed is.
The utility model discloses a working process of starter as follows:
before the diesel engine is started, a start button 30 is pressed, a control module 28 outputs a control signal to an armature coil signal switch 31, the armature coil signal switch 31 is closed, a power supply 26 energizes an armature coil 35, an armature shaft 34 drives a fuel delivery pump 4 to start running, fuel in a fuel tank enters the fuel delivery pump 4 through an oil inlet pipe 12 to be pressurized and flows out through an oil outlet pipe 6, a check valve 8 is opened under the action of fuel pressure, the fuel flows through the check valve 8 and enters a diesel engine fuel system pipeline, and air in a fuel system is exhausted.
When the fuel pressure detected by a fuel pressure sensor 27 of a diesel engine fuel system pipeline reaches a set parameter, a control module 28 outputs a control signal to an armature coil signal switch 31 to be disconnected, meanwhile, the control module 28 outputs a control signal to a coil signal switch 25 to be closed, a coil 21 generates a magnetic field to pull a pull rod 20 to move towards the right side, a shifting fork 19 rotates around a rotating shaft 18, the shifting fork 19 pushes a shifting fork clamping sleeve 36 with a one-way clutch to move towards the left side, and a meshing gear 16 is popped out to be meshed with a flywheel gear ring 17 of a diesel engine; meanwhile, the control module 28 outputs a control signal to the electromagnetic valve signal switch 29 to close and conduct the electromagnetic valve 11, the oil outlet pipe 6 is communicated with the oil inlet pipe 12 through the bypass oil pipe 7, the pressure between the oil outlet pipe 6 and the oil inlet pipe 12 tends to be consistent, and the fuel delivery pump 4 is in an idle state, so that the starting power of a starter is prevented from being consumed by the fuel delivery pump when the starter armature shaft drives the meshing gear to drive a flywheel gear ring of the diesel engine, and the rapid and powerful starting of the diesel engine is ensured. When the fuel delivery pump driven by the starter is used as the only fuel delivery pump of the diesel engine, the starter can still drive the fuel delivery pump when the starter starts the flywheel, so that diesel oil with enough pressure and flow enters the fuel injection pump in the starting process of the diesel engine. The pressure of the fuel in the oil outlet pipe 6 is low, so that the one-way valve 8 cannot be opened, and meanwhile, the fuel in the diesel engine fuel system pipeline cannot flow back due to the closing action of the one-way valve 8, so that the pressure of the fuel in the diesel engine fuel system pipeline can be kept for a period of time without rapid loss and pressure relief; meanwhile, as the pull rod 20 moves towards the right side, the electromagnetic switch contact 22 is driven to be conducted with the contact a 23 and the contact b 24, the electric energy of the power supply 26 supplies power to the armature coil 35 through a circuit conducted by the contacts, the meshing gear 16 is driven to drive the flywheel gear ring 17 of the diesel engine to rotate, the diesel engine is started, the starting button 30 is released, and the starting process is finished.
In the operation process of the diesel engine, if the fuel pressure sensor 27 detects that the fuel pressure in the pipeline of the diesel engine fuel system is lower than a set parameter value, the starting operation process of the fuel delivery pump 4 is repeated, that is, the armature coil 35 of the starter body 1 is supplied with power to drive the fuel delivery pump 4 to operate, so that fuel with a certain pressure and a certain flow rate is provided for the pipeline of the diesel engine fuel system, in addition, a pressure signal detected by the fuel pressure sensor 27 can perform closed-loop control on the electronic control module 28, specifically, the fuel delivery pump 4 is automatically started to operate when the fuel pressure in the pipeline of the diesel engine fuel system is lower than 40kPa, and the fuel delivery pump 4 is automatically stopped to stop operating when the fuel pressure in the pipeline of the diesel engine fuel.
In other embodiments, a constant fuel system pressure may be set, for example, fuel pressure in the fuel system in the range of 40 ± 5kPa, with the fuel delivery pump 4 operating continuously.
In other embodiments, the armature coil 35 is also continuously and steplessly controlled by the control module 28, so that the operating speed of the fuel delivery pump 4 is continuously adjustable, thereby meeting the set target requirement of the fuel pressure of the diesel engine fuel system pipeline.
The utility model discloses an integrated starter that has fuel oil transfer pump, through setting up fuel oil transfer pump integration on the starter body, the spare part quantity has effectively been reduced, therefore, the carrier wave prepaid electric energy meter is low in cost, and convenient assembling, and adopt control system control starter body to drive fuel oil transfer pump work, shorten the elimination time of air in the fuel oil system pipeline, effectively reduce spare part quantity, therefore, the carrier wave prepaid electric energy meter is low in cost, this starter not only can regard as the fuel oil system pipeline before the diesel engine starts to get rid of the air simultaneously, establish certain fuel pressure, the diesel engine of being convenient for starts, can also regard as the fuel oil transfer pump commonly used of diesel engine to use.
The above is only the preferred embodiment of the present invention, and it should be noted that for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which will not affect the utility model and the utility of the patent.
Claims (7)
1. A starter integrated with a fuel delivery pump comprises a starter body (1) and is characterized in that one end of an armature shaft (34) of the starter body (1) is connected with a flywheel gear ring (17) of a diesel engine through a clutch assembly, the other end of the armature shaft (34) of the starter body (1) is connected with the fuel delivery pump (4), an oil inlet pipe (12) of the fuel delivery pump (4) is communicated with an oil tank, an oil outlet pipe (6) of the fuel delivery pump (4) is communicated with a diesel engine fuel system pipeline, a bypass oil pipe (7) is arranged between the oil inlet pipe (12) and the oil outlet pipe (6), and an electromagnetic valve (11) is arranged on the bypass oil pipe (7); the starter is characterized by further comprising a control system, and the armature coil (35) of the starter body (1), the clutch assembly and the electromagnetic valve (11) are electrically connected with the control system.
2. The starter integrated with the fuel delivery pump as claimed in claim 1, wherein the clutch assembly comprises a meshing gear (16), a shifting fork sleeve (36), a shifting fork (19), a pull rod (20) and a coil (21), the shifting fork sleeve (36) is installed at one end of an armature shaft (34), the meshing gear (16) is installed on the armature shaft (34) on one side of the shifting fork sleeve (36), the meshing gear (16) is meshed with a flywheel gear ring (17) of the diesel engine, the middle of the shifting fork (19) is rotatably connected with the starter body (1) through a rotating shaft (18), two ends of the shifting fork (19) are respectively connected with the shifting fork sleeve (36) and the pull rod (20), and the coil (21) is sleeved on the periphery of the pull rod (20).
3. The starter integrated with a fuel delivery pump according to claim 2, wherein the control system includes a power source (26) and a control module (28), the coil (21) is electrically connected to the power source (26) through a coil signal switch (25), the coil signal switch (25) is electrically connected to the control module (28), the solenoid valve (11) is electrically connected to the power source (26) through a solenoid valve signal switch (29), the solenoid valve signal switch (29) is electrically connected to the control module (28), the armature coil (35) of the starter body (1) is electrically connected to the power source (26) through a circuit switching component, and the circuit switching component is electrically connected to the control module (28).
4. The starter integrated with a fuel delivery pump according to claim 3, wherein the circuit switching assembly includes an electromagnetic switch contact (22) and a contact (23) and a contact (24) which are engaged with the electromagnetic switch contact, the electromagnetic switch contact (22) is mounted at one end of the pull rod (20), the contact (23) is electrically connected with the power source (26), the contact (24) is electrically connected with the armature coil (35), the armature coil signal switch (31) is electrically connected between the contact (23) and the contact (24), and the armature coil signal switch (31) is electrically connected with the control module (28).
5. The starter integrated with a fuel delivery pump according to claim 3, wherein the control system further comprises a fuel pressure sensor (27), the fuel pressure sensor (27) is installed in a fuel line of a diesel fuel system, and the fuel pressure sensor (27) is electrically connected with the control module (28).
6. The starter integrated with a fuel delivery pump according to claim 1, wherein a check valve (8) is provided on the delivery line (6) between the bypass line (7) and the diesel fuel system line.
7. The starter integrated with a fuel delivery pump according to any one of claims 1 to 6, wherein the armature shaft (34) of the starter body (1) is connected with the fuel delivery pump (4) through a reduction gear set (3), a rear end cover (2) is arranged at one end of the starter body (1), and an end cover shaft sleeve (14) is arranged between the reduction gear set (3) and the rear end cover (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021251237.4U CN212583857U (en) | 2020-06-30 | 2020-06-30 | Starter integrated with fuel oil transfer pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021251237.4U CN212583857U (en) | 2020-06-30 | 2020-06-30 | Starter integrated with fuel oil transfer pump |
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| Publication Number | Publication Date |
|---|---|
| CN212583857U true CN212583857U (en) | 2021-02-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021251237.4U Active CN212583857U (en) | 2020-06-30 | 2020-06-30 | Starter integrated with fuel oil transfer pump |
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| CN (1) | CN212583857U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111594364A (en) * | 2020-06-30 | 2020-08-28 | 广西玉柴机器股份有限公司 | Starter integrated with fuel oil delivery pump and control method |
-
2020
- 2020-06-30 CN CN202021251237.4U patent/CN212583857U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111594364A (en) * | 2020-06-30 | 2020-08-28 | 广西玉柴机器股份有限公司 | Starter integrated with fuel oil delivery pump and control method |
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Effective date of registration: 20230111 Address after: No.88 Tianqiao West Road, Yulin City, Guangxi Zhuang Autonomous Region Patentee after: Guangxi Yuchai Ship Electric Power Co.,Ltd. Address before: No.88 Tianqiao West Road, Yulin City, Guangxi Zhuang Autonomous Region Patentee before: Guangxi Yuchai Machinery Co.,Ltd. |