CN219366195U - Fuel supply device and fuel supply advance angle adjusting system - Google Patents
Fuel supply device and fuel supply advance angle adjusting system Download PDFInfo
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- CN219366195U CN219366195U CN202320387179.5U CN202320387179U CN219366195U CN 219366195 U CN219366195 U CN 219366195U CN 202320387179 U CN202320387179 U CN 202320387179U CN 219366195 U CN219366195 U CN 219366195U
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- fuel
- fuel supply
- oil
- tank
- fuel pump
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Abstract
The application relates to a fuel supply device and fuel feeding advance angle governing system in diesel engine test technical field, and fuel supply device includes: the oil tank (2), the oil tank (2) is formed with an oil return interface (4); a fuel pump (3), wherein a fuel supply interface (5) is formed on the fuel pump (3), and the fuel pump (3) is used for conveying fuel in the fuel tank (2) to the fuel supply interface (5); the fuel pump (3) is connected with a throttle valve (6) and a pressure relief valve (7) in sequence from the fuel supply interface (5); and a pressure regulating valve (8), wherein the pressure regulating valve (8) is assembled on the fuel pump (3) and is used for regulating the fuel supply pressure of the fuel pump (3). According to the method, an operator can operate and complete the oil supply advance angle adjusting process before the diesel engine is mounted on the test bed frame and connected with the fuel pipeline, and the testing efficiency and the production efficiency of the diesel engine are greatly improved.
Description
Technical Field
The application relates to the technical field of diesel engine testing, in particular to a fuel supply device and an oil supply advance angle adjusting system.
Background
The oil supply advance angle is the crank angle corresponding to the distance between the top of the piston and the top dead center when the oil injection pump starts to supply oil to the cylinder. The oil supply advance angle is too small, the oil supply time is delayed, the combustion is incomplete, the starting is difficult, the power is insufficient, and the exhaust pipe emits black smoke and other symptoms; the oil supply advance angle is too large, namely the oil supply starting time is advanced, the starting difficulty or reversal, explosion sound rough, unstable operation, power reduction of the diesel engine, easy burning of cylinder gasket and faster consumption of cooling water can occur.
When the current diesel engine carries out the adjustment of fuel supply advance angle, need install the diesel engine on the test bed frame, attach to the inside fuel supply system of test room and provide required fuel, just can carry out the operation of taking a trial run after the adjustment of fuel supply advance angle is accomplished, when having increased test workers intensity of labour, cause the diesel engine to occupy the time overlength of test bed frame, seriously influence the efficiency of taking a trial run, influence the production efficiency of whole workshop then.
Disclosure of Invention
In view of the problems existing in the background art, the application provides the fuel supply device, so that an operator can operate and complete the fuel supply advance angle adjusting process before the diesel engine is mounted on the test bed and connected with the fuel pipeline, and the testing efficiency and the production efficiency of the diesel engine are greatly improved.
According to an aspect of the present utility model, there is provided a fuel supply apparatus for fuel supply for engine fueling advance angle adjustment, the fuel supply apparatus comprising: the oil tank is provided with an oil return interface; the fuel pump is provided with an oil supply interface, and the fuel pump is used for conveying fuel in the fuel tank to the oil supply interface; the fuel pump is connected with a throttle valve and a pressure relief valve in sequence from the fuel supply interface; and the pressure regulating valve is assembled on the fuel pump and is used for regulating the fuel supply pressure of the fuel pump.
By using the fuel supply device in the technical scheme, the fuel supply interface is respectively connected with the fuel inlet of the diesel engine fuel injection pump and the fuel return interface is connected with the fuel return port of the diesel engine fuel injection pump by using the two rubber pipes with the pipe joints and the hydraulic quick connectors, the fuel supply pressure is set through the pressure regulating valve, the fuel supply can be realized by starting the fuel pump, related operators can directly adjust the fuel supply advance angle after the diesel engine is assembled and disassembled, the engine is mounted on the test bench and the first time of connecting various process parts can be used for test operation, the effective utilization rate of the test bench is fully exerted, the test efficiency is improved, and the whole production efficiency is further improved; meanwhile, the outlet of the throttle valve is connected with the pressure relief valve, when the oil supply advance angle is adjusted to meet the requirement, the residual pressure of the pipeline can be immediately released, and the fuel pump is closed, so that the influence of the residual pressure of the pipeline on the oil supply advance angle adjustment precision is reduced.
In addition, the fuel supply device according to the present application may further have the following additional technical features:
in some embodiments of the utility model, the fuel supply port is formed with two or more on the fuel pump; the size specification of each oil supply interface is sequentially arranged from small to large; the number and the size specification of the oil return ports are correspondingly arranged with the oil supply ports.
In some embodiments of the utility model, each of the fuel supply connections is provided with a first ball valve on a side thereof adjacent the fuel pump.
In some embodiments of the utility model, a drain is formed at the low point of the oil tank, and a second ball valve is arranged on one side of the drain close to the oil tank.
In some embodiments of the utility model, the tank is provided with a level gauge.
In some embodiments of the present utility model, the oil tank is formed with an oil filler port, and an air filter is installed in the oil filler port.
In some embodiments of the utility model, a fuel filter is mounted to a side of the fuel pump adjacent the fuel tank.
In some embodiments of the utility model, the fuel supply apparatus further comprises: the control box is connected with the fuel pump, a liquid crystal display screen is embedded on one side of the control box, and the liquid crystal display screen receives and shows the fuel supply pressure and the switching state of the fuel pump.
In some embodiments of the utility model, the fuel supply apparatus further comprises: and the fuel tank and the fuel pump are installed on the trolley, and the trolley is used for integrally moving the fuel supply device.
According to another aspect of the present utility model, there is provided an advance oil supply angle adjusting system including the above-described fuel supply device.
Compared with the prior art, the utility model achieves the following technical effects:
1. the lowest part of the oil tank is provided with a drain outlet and a ball valve, so that the diesel oil can be conveniently replaced and the oil tank can be conveniently cleaned. The fuel tank is provided with the liquid level meter, so that the fuel liquid level can be observed in real time and can be timely supplemented.
2. The air filter and the fuel filter are used for filtering fuel, so that the cleanness of the fuel is ensured, and the protection of a diesel engine is improved.
3. The oil supply interface and the oil return interface are arranged in a plurality of groups, and the ball valve is additionally arranged on the oil supply interface, so that the applicability of the oil injection pump for different series of diesel engines is enhanced.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the application. Also, like reference numerals are used to designate like parts throughout the figures. In the drawings:
FIG. 1 is a schematic view of the overall structure of a fuel supply device according to an embodiment of the present application;
FIG. 2 is a top view of a fuel supply according to an embodiment of the present application;
fig. 3 is a side view of a fuel supply according to an embodiment of the present application.
The reference numerals in the drawings are as follows: 1. a cart; 2. an oil tank; 3. a fuel pump; 4. an oil return interface; 5. an oil supply port; 6. a throttle valve; 7. a pressure release valve; 8. a pressure regulating valve; 9. a first ball valve; 10. a second ball valve; 11. a liquid level gauge; 12. an oil filling port; 13. a fuel filter; 14. a control box; 15. a liquid crystal display.
Detailed Description
It should be understood that the described embodiments are merely some, but not all, of the embodiments of the present application. All other embodiments, based on the embodiments herein, which would be apparent to one of ordinary skill in the art without making any inventive effort, are intended to be within the scope of the present application.
When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples are not representative of all implementations consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with some aspects of the present application as detailed in the accompanying claims.
In the description of the present application, it should be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art in a specific context. Furthermore, in the description of the present application, unless otherwise indicated, "a plurality" means two or more. "and/or", describes an association relationship of an association object, and indicates that there may be three relationships, for example, a and/or B, and may indicate: a exists alone, A and B exist together, and B exists alone. The character "/" generally indicates that the context-dependent object is an "or" relationship.
The following describes a fuel supply device and a fuel supply advance angle adjustment system according to an embodiment of the present application with reference to the accompanying drawings.
The embodiment of the application discloses a fuel supply device, which is used for fuel supply of engine fuel supply advance angle adjustment, as shown in fig. 1 and 2, the fuel supply device comprises a cart 1, a fuel tank 2 erected on the cart 1 and a fuel pump 3 arranged on the top of the fuel tank 2; wherein, the oil tank 2 is provided with an oil return port 4; the fuel pump 3 is provided with a fuel supply interface 5, and the fuel pump 3 conveys the fuel in the fuel tank 2 to the fuel supply interface 5; the fuel pump 3 to the fuel supply interface 5 are sequentially connected with a throttle valve 6 and a pressure relief valve 7; the fuel pump 3 is provided with a pressure regulating valve 8, and the pressure regulating valve 8 is used for regulating the fuel supply pressure of the fuel pump 3.
Through using the fuel supply device in this technical scheme, when the diesel engine needs to carry out the adjustment of fuel feeding advance angle, use shallow 1 to remove fuel supply device to target position, then utilize two rubber hoses that have coupling and hydraulic pressure quick-operation joint, be connected oil feed interface 5 with the oil inlet of diesel engine injection pump and with oil return interface 4 with the oil return mouth of diesel engine injection pump respectively, set up fuel feeding pressure through air-vent valve 8, can realize the fuel feeding with fuel pump 3 opening, make relevant operating personnel can directly carry out the adjustment of fuel feeding advance angle after the diesel engine assembly is off-line, make the engine install the test bench and connect the first time of various technology spare and can carry out the test operation, full play test bench's effective utilization, promote test efficiency, and then promote whole production efficiency. In addition, the outlet of the throttle valve 6 is connected with the pressure relief valve 7, when the adjustment of the oil supply advance angle reaches the requirement, the residual pressure of the pipeline can be immediately released and the fuel pump 3 can be closed, so that the influence of the residual pressure of the pipeline on the adjustment precision of the oil supply advance angle is reduced.
Specifically, the cart 1 in the present embodiment is provided with a handrail and a brake universal wheel, so that the fuel supply device is moved as a whole and locked after moving to a target position, and slippage in the use process is reduced; in the fuel pump 3 of the present embodiment, a vane pump is used, the maximum fuel supply pressure is greater than 2MPa, a pressure regulating valve 8 is used for manual adjustment, the pressure regulating range is 0.5MPa to 2MPa, and an overflow valve bypass is provided to return the excessive fuel supply to the fuel tank 2.
In some embodiments of the present utility model, as shown in fig. 1 and 2, the oil supply port 5 is formed with two or more than two on the fuel pump 3; the oil supply ports 5 are arranged in sequence from small to large in size, and the number and the size of the oil return ports 4 are arranged corresponding to the oil supply ports 5. Specifically, in this embodiment, the two oil supply ports 5 and the two oil return ports 4 are respectively provided, and the two oil supply ports 5 adopt standard threaded ports, so that the two oil supply ports 5 can respectively meet the connection of the 8M series diesel engine oil injection pump and the 12M series diesel engine oil injection pump, thereby enhancing the applicability.
In some embodiments of the present utility model, as shown in fig. 1, a first ball valve 9 is mounted on a side of each of the oil supply ports 5 adjacent to the fuel pump 3. When one group of oil supply ports 5 and oil return ports 4 are used for fuel oil delivery, the other oil supply port 5 can be closed through the first ball valve 9, so that the single-way oil supply working condition is met. Specifically, the first ball valve 9 in the present embodiment may be connected between the relief valve 7 and the oil supply port 5.
In some embodiments of the present utility model, as shown in fig. 1, a drain is formed at a low point of the oil tank 2, and a second ball valve 10 is installed at a side of the drain close to the oil tank 2. Through drain and second ball valve 10, can be convenient change and wash oil tank 2 to the diesel oil in the oil tank 2, improve maintenance efficiency. Specifically, the drain outlet and the second ball valve 10 in the present embodiment are disposed at the bottom of the oil tank 2 near the side, and are erected on the cart 1 through the oil tank 2, leaving an operation space for the drain outlet and the second ball valve 10.
In some embodiments of the present utility model, as shown in fig. 1, a level meter 11 is disposed on the fuel tank 2, so as to observe the fuel level in the fuel tank 2 in real time, so as to timely supplement the fuel. Specifically, the liquid level meter 11 in this embodiment is installed on the side wall of the oil tank 2, and the liquid level meter 11 can be installed on a vertical installation opening formed in the side wall of the oil tank 2 in a sealing manner, so as to observe the oil level in the oil tank 2.
In some embodiments of the present utility model, as shown in fig. 2, a filler neck 12 is formed on the oil tank 2, and an air filter is installed in the filler neck 12. The air filter is opened to fill diesel oil into the oil tank 2 through the oil filling port 12, and dust suspended in air in the filling process is filtered by the air filter, so that abrasion of a piston group and the air cylinder caused by being sucked into the air cylinder is prevented.
In some embodiments of the present utility model, as shown in fig. 3, a fuel filter 13 is installed on a side of the fuel pump 3 near the fuel tank 2, so as to further prevent particulate matters, water and dirty matters in the fuel, ensure that precise components of the fuel system such as the piston group and the cylinder are prevented from being worn and damaged, ensure that the filtering precision is greater than 99.8%, and the filter is detachable for cleaning and replacement. Specifically, the inlet of the fuel pump 3 in this embodiment is connected to a pipe and extends into the fuel tank 2, and the fuel filter 13 is connected to the end of the pipe and is located below the liquid level of the fuel tank 2, or the fuel filter 13 is connected to the pipe and is located inside the fuel tank 2 or outside the fuel tank 2.
In some embodiments of the present utility model, as shown in fig. 1, the fuel supply device further includes a control box 14, where the control box 14 is connected to the fuel pump 3 for electrical connection control, and a liquid crystal display 15 is embedded on one side of the control box 14, where the liquid crystal display 15 receives and shows parameters such as fuel supply pressure and on-off state of the fuel pump 3, and alarm state. Specifically, the control box 14 in the present embodiment is erected on the cart 1 and is located between the armrest and the oil tank 2.
Another embodiment of the present utility model provides an advance oil supply angle adjusting system including the fuel supply device of any one of the above embodiments. The fuel supply advance angle adjustment system of the present embodiment has all the technical effects of the fuel supply device of the present embodiment, and the specific structure and technical effects of the fuel supply advance angle adjustment system are not described in detail herein. It should be noted that, the present embodiment only details the key technical features related to the present disclosure, the technical features not related to the present disclosure are only briefly described, and the specific structure of the oil supply advance angle adjustment system is not described in detail herein.
The present utility model is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present utility model are intended to be included in the scope of the present utility model. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.
Claims (10)
1. A fuel supply apparatus for fuel supply for engine fueling advance adjustment, comprising:
the oil tank (2), the oil tank (2) is formed with an oil return interface (4);
a fuel pump (3), wherein a fuel supply interface (5) is formed on the fuel pump (3), and the fuel pump (3) is used for conveying fuel in the fuel tank (2) to the fuel supply interface (5); the fuel pump (3) is connected with a throttle valve (6) and a pressure relief valve (7) in sequence from the fuel supply interface (5);
and a pressure regulating valve (8), wherein the pressure regulating valve (8) is assembled on the fuel pump (3) and is used for regulating the fuel supply pressure of the fuel pump (3).
2. The fuel supply device according to claim 1, characterized in that the fuel supply port (5) is formed with two or more on the fuel pump (3); the size specification of each oil supply interface (5) is sequentially arranged from small to large; the number and the size of the oil return ports (4) are arranged corresponding to the oil supply ports (5).
3. A fuel supply arrangement according to claim 2, characterized in that the side of each of the fuel supply connections (5) adjacent to the fuel pump (3) is provided with a first ball valve (9).
4. The fuel supply device according to claim 1, characterized in that a drain is formed at the low point of the fuel tank (2), and that a side of the drain close to the fuel tank (2) is fitted with a second ball valve (10).
5. A fuel supply according to claim 1, characterized in that the tank (2) is provided with a level gauge (11).
6. The fuel supply device according to claim 1, characterized in that the fuel tank (2) is formed with a filler neck (12), and an air filter is installed in the filler neck (12).
7. The fuel supply device according to claim 1, characterized in that the inlet end of the fuel pump (3) on the side close to the fuel tank (2) is located inside the fuel tank (2) or outside the fuel tank (2) is provided with a fuel filter (13).
8. The fuel supply apparatus according to claim 1, characterized in that the fuel supply apparatus further comprises:
the control box (14), control box (14) with fuel pump (3) are connected, control box (14) one side has inlayed liquid crystal display (15), liquid crystal display (15) are received and are shown fuel feeding pressure and the on-off state of fuel pump (3).
9. The fuel supply apparatus according to any one of claims 1 to 8, characterized in that the fuel supply apparatus further comprises:
the fuel pump device comprises a trolley (1), wherein the fuel tank (2) and the fuel pump (3) are arranged on the trolley (1), and the trolley (1) is used for moving the whole fuel supply device.
10. An advance oil supply angle adjusting system comprising the fuel supply apparatus according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320387179.5U CN219366195U (en) | 2023-02-27 | 2023-02-27 | Fuel supply device and fuel supply advance angle adjusting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320387179.5U CN219366195U (en) | 2023-02-27 | 2023-02-27 | Fuel supply device and fuel supply advance angle adjusting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219366195U true CN219366195U (en) | 2023-07-18 |
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ID=87147931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320387179.5U Active CN219366195U (en) | 2023-02-27 | 2023-02-27 | Fuel supply device and fuel supply advance angle adjusting system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219366195U (en) |
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2023
- 2023-02-27 CN CN202320387179.5U patent/CN219366195U/en active Active
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