CN218750299U

CN218750299U - Fuel tank and mining dump truck

Info

Publication number: CN218750299U
Application number: CN202223425292.2U
Authority: CN
Inventors: 田海勇; 白卿; 陈娜娜
Original assignee: CRRC Datong Co Ltd
Current assignee: CRRC Datong Co Ltd
Priority date: 2022-12-16
Filing date: 2022-12-16
Publication date: 2023-03-28
Anticipated expiration: 2032-12-16

Abstract

The disclosure relates to the technical field of fuel devices, in particular to a fuel tank and a mining dump truck. The fuel tank comprises a tank body, wherein the tank body comprises a first side wall, a first oil filling port is formed in the first side wall, and a first oil inlet one-way valve is arranged at the first oil filling port; the inside of box is provided with first honeycomb duct, first honeycomb duct with first oiling mouth intercommunication, the port of producing oil of first honeycomb duct is close to the roof setting of box, the port of producing oil of first honeycomb duct with perpendicular distance between the roof of box is less than first oiling mouth with perpendicular distance between the roof of box can prevent effectively that fluid in the box from leaking from first oiling mouth to also can prevent that fluid is stolen.

Description

Fuel tank and mining dump truck

Technical Field

The disclosure relates to the technical field of fuel devices, in particular to a fuel tank and a mining dump truck.

Background

The mining dump truck has the advantages of heavy load, high efficiency, long continuous operation time and the like, and is a main transport tool for strippings, ores and coal of large-scale surface mines. The fuel tank is used as a fuel storage device of a mine car power system, and the exposed part of the quick filling port of the fuel tank is often damaged by lawless persons to cause fuel leakage and theft, thereby causing great trouble to the safety production of mining areas. In addition, the working environment of the mine car is severe, an observation window on the fuel tank is easily covered by soil, and a driver can hardly observe the filling amount during refueling, so that the problem that the fuel tank is overflowed due to insufficient or excessive fuel filling is caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a fuel tank and mining dump truck to alleviate the technical problem that the fluid in the fuel tank that exists among the prior art leaks easily and is stolen.

In view of the above, the present disclosure provides a fuel tank comprising a tank body, the tank body comprising a first sidewall, the first sidewall being provided with a first fill port, the first fill port being provided with a first oil inlet check valve; the inside of box is provided with first honeycomb duct, first honeycomb duct with first oiling mouth intercommunication, the port of producing oil of first honeycomb duct is close to the roof setting of box, the port of producing oil of first honeycomb duct with vertical distance between the roof of box is less than first oiling mouth with vertical distance between the roof of box.

In one embodiment of the disclosure, the fuel tank further comprises a three-way valve, a stop valve and a liquid level control valve which are arranged inside the tank body, and a vent check valve arranged on a top plate of the tank body;

the box body comprises a second side wall, the second side wall is opposite to the first side wall, a second oil filling opening is formed in the second side wall, and a second oil inlet one-way valve is arranged at the second oil filling opening; a second guide pipe is arranged in the box body and is communicated with the second oil filling port; a first port of the three-way valve is communicated with an oil outlet port of the first flow guide pipe, a second port of the three-way valve is communicated with an oil outlet port of the second flow guide pipe, a third port of the three-way valve is communicated with an oil inlet of the stop valve, and an oil outlet of the stop valve is communicated with the box body; the liquid level control valve is provided with a liquid level hole and an exhaust port, the liquid level hole is communicated with the communication port of the stop valve, and the exhaust port is communicated with the exhaust check valve; the shutoff valve is configured such that an oil outlet of the shutoff valve is closed when the oil in the tank covers the liquid level hole.

In one embodiment of the present disclosure, a pressure transfer pipe is provided inside the tank, one end of the pressure transfer pipe communicates with the communication hole of the stop valve, and the other end of the pressure transfer pipe communicates with the liquid level hole.

In one embodiment of the present disclosure, the liquid level control valve includes a valve body and an exhaust pipe, an inner cavity of the valve body includes an oil outlet chamber and a float chamber, the oil outlet chamber is located below the float chamber, and the liquid level hole is communicated with the oil outlet chamber;

the float chamber is provided with an exhaust port, a float is arranged inside the float chamber, a first station and a second station are arranged in the float chamber, the first station is positioned above the second station, and the float can ascend or descend to switch between the first station and the second station; one end of the exhaust pipe is communicated with the exhaust port, and the other end of the exhaust pipe is communicated with the exhaust check valve; when the float is in the second station, the exhaust port is open, and when the float is in the first station, the exhaust port is closed.

In one embodiment of the present disclosure, the fuel tank further includes an inlet check valve disposed on a top plate of the tank body, the inlet check valve including a valve body that integrates a desiccant and a filter element.

In one embodiment of the present disclosure, a top plate of the box body is provided with an oil supply port and an oil return port, the oil return port is provided with an oil return pipe, and the oil return pipe is located inside the box body.

In one embodiment of the present disclosure, the top plate of the box body is provided with an access opening, and/or the side wall of the box body is provided with an access opening.

In one embodiment of the present disclosure, the box body is provided with a mounting rack, the mounting rack is used for being connected with a vehicle frame, and the mounting rack is provided with a shock pad.

In one embodiment of the present disclosure, the case is provided with a lifting lug.

Based on the purpose, the invention also provides the mining dump truck, which comprises the fuel tank.

The beneficial effect of this disclosure mainly lies in:

the utility model provides a fuel tank sets up first oil feed check valve through at first oiling mouth, simultaneously, is close to the roof setting of box with the port of producing oil of first honeycomb duct, and the port of producing oil of first honeycomb duct with vertical distance between the roof of box is less than the vertical distance between the roof of first oiling mouth and box, can prevent effectively that fluid in the box from leaking from first oiling mouth to also can prevent that fluid is stolen.

Drawings

In order to more clearly illustrate the embodiments of the present disclosure or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present disclosure, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic structural view of a fuel tank provided in an embodiment of the present disclosure;

FIG. 2 is a schematic structural view from another perspective of a fuel tank provided in accordance with an embodiment of the present disclosure;

FIG. 3 is a schematic view of the internal structure of a fuel tank according to an embodiment of the present disclosure;

FIG. 4 is an enlarged view of a portion of FIG. 3 at A;

FIG. 5 is a schematic view of a fuel tank provided in accordance with an embodiment of the present disclosure in a full fill condition;

fig. 6 is a schematic structural diagram of a liquid level control valve in a fuel tank according to an embodiment of the present disclosure.

Icon: 1-a box body; 101-a first sidewall; 102-a second sidewall; 103-a third side wall; 104-a fourth side wall; 105-a top plate; 2-a first oil filling port; 3-a first oil inlet one-way valve; 4-a first draft tube; 41-a first tube section; 42-a second tube section; 5-a three-way valve; 6-a stop valve; 61-oil outlet; 62-a piston; 7-a level control valve; 71-a valve body; 711-a float chamber; 712-an oil outlet chamber; 72-an exhaust pipe; 73-a float; 74-liquid level hole; 8-exhaust check valve; 9-a second draft tube; 10-a pressure transfer tube; 11-an inlet check valve; 12-an oil supply port; 13-oil return port; 131-an oil return pipe; 14-liquid level observation window; 15-access hole; 16-a mounting frame; 17-a shock pad; 18-a lifting lug; 19-an electronic level gauge; 20-second oil injection port.

Detailed Description

The technical solutions of the present disclosure will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only some embodiments of the present disclosure, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments disclosed herein without making any creative effort, shall fall within the protection scope of the present disclosure.

In the description of the present disclosure, it should be noted that, as the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. appear, their indicated orientations or positional relationships are based on those shown in the drawings only for the convenience of describing the present disclosure and simplifying the description, but not for indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present disclosure. Furthermore, the terms "first," "second," and "third" as appearing herein are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present disclosure, it should be noted that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" should be interpreted broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present disclosure can be understood in specific instances by those of ordinary skill in the art.

Referring to fig. 1 to 6, the present embodiment provides a fuel tank comprising a tank body 1, the tank body 1 comprising a first side wall 101, the first side wall 101 being provided with a first fuel inlet 2, the first fuel inlet 2 being provided with a first fuel inlet check valve 3; the inside of box 1 is provided with first honeycomb duct 4, and first honeycomb duct 4 and first oiling mouth 2 intercommunication, the port of producing oil of first honeycomb duct 4 are close to the roof 105 setting of box 1, and the perpendicular distance between the port of producing oil of first honeycomb duct 4 and the roof 105 of box 1 is less than the perpendicular distance between the roof 105 of first oiling mouth 2 and box 1.

The fuel tank that this embodiment provided, through set up first oil feed check valve 3 at first oiling mouth 2, simultaneously, be close to the roof 105 setting of box 1 with the port of producing oil of first honeycomb duct 4, and the perpendicular distance between the port of producing oil of first honeycomb duct 4 and the roof 105 of box 1 is less than the perpendicular distance between the roof 105 of first oiling mouth 2 and box 1, can prevent effectively that fluid in the box 1 from leaking from first oiling mouth 2 to also can prevent that fluid is stolen.

Illustratively, the box 1 is substantially cubic, and the box 1 includes a top plate 105, a bottom plate, and a first side wall 101, a second side wall 102, a third side wall 103, and a fourth side wall 104 disposed between the top plate 105 and the bottom plate, wherein the first side wall 101 and the second side wall 102 are disposed opposite each other, and the third side wall 103 and the fourth side wall 104 are disposed opposite each other.

Illustratively, the first flow guide pipe 4 comprises a first pipe section 41 and a second pipe section 42, the first pipe section 41 and the second pipe section 42 are integrally formed, the free end of the first pipe section 41 is communicated with the first oil filling port 2, the free end of the second pipe section 42 is an oil outlet port, the second pipe section 42 and the first pipe section 41 are arranged in an obtuse angle, the length direction of the first pipe section 41 is substantially parallel to the bottom plate, and the position of the joint of the first pipe section 41 and the second pipe section 42 can be slightly lower than the position of the first oil filling port 2, so that even if the first oil inlet check valve 3 is damaged, oil in the first flow guide pipe 4 cannot leak from the first oil filling port 2 under the action of self gravity, and the anti-theft effect is better.

In one embodiment, referring to fig. 3 to 5, the fuel tank further includes a three-way valve 5, a shutoff valve 6, and a level control valve 7 provided inside the tank 1, and a vent check valve 8 provided on a ceiling 105 of the tank 1; the tank 1 comprises a second side wall 102, the second side wall 102 is arranged opposite to the first side wall 101, the second side wall 102 is provided with a second oil filling port 20, and the second oil filling port 20 is provided with a second oil inlet check valve (not shown in the figure); a second guide pipe 9 is arranged in the box body 1, and the second guide pipe 9 is communicated with a second oil filling port 20; a first port of the three-way valve 5 is communicated with an oil outlet port of the first flow guide pipe 4, a second port of the three-way valve 5 is communicated with an oil outlet port of the second flow guide pipe 9, a third port of the three-way valve 5 is communicated with an oil inlet of the stop valve 6, and an oil outlet 61 of the stop valve 6 is communicated with the box body 1; the liquid level control valve 7 is provided with a liquid level hole 74 and an exhaust port, the liquid level hole 74 is communicated with a communication port of the stop valve 6, and the exhaust port is communicated with the exhaust check valve 8; the shutoff valve 6 is configured such that the oil outlet 61 of the shutoff valve 6 is closed when the oil in the tank 1 covers the level hole 74.

By providing the first fuel inlet 2 and the second fuel inlet 20, a function of quickly refueling from both sides of the vehicle is realized.

It should be noted that the first oil filling port 2 and the second oil filling port 20 may be interfaces disposed on the sidewall of the tank body, and the interfaces may be connected to a pipeline or a quick oil filling joint, or may be quick oil filling joints directly mounted on the sidewall of the tank body. Among them, the quick oil injection joint is the prior art, and the structure thereof is not described in detail.

In some embodiments, referring to fig. 6, the liquid level control valve 7 includes a valve body 71 and an exhaust pipe 72, an inner cavity of the valve body 71 includes a float chamber 711 and an oil outlet chamber 712, the float chamber 711 is provided with an exhaust port, a float 73 is provided inside the float chamber 711, the float chamber 711 has a first station and a second station, the first station is located above the second station, and the float 73 can be raised or lowered to switch between the first station and the second station. One end of the exhaust pipe 72 communicates with the exhaust port, and the other end of the exhaust pipe 72 communicates with the exhaust check valve 8. Illustratively, the exhaust pipe 72 is threadably interfaced with the exhaust check valve 8 via a mounting fitting, wherein the mounting fitting is located above the top plate 105. When the float 73 is in the second position, the exhaust port is opened, and the exhaust pipe 72 is communicated with the exhaust check valve 8, and when the float 73 is in the first position, the exhaust port is closed.

The oil outlet chamber 712 is located below the float chamber 711, and the liquid level hole 74 communicates with the oil outlet chamber 712.

The tank 1 is provided therein with a pressure transmission pipe 10, one end of the pressure transmission pipe 10 communicates with the communication hole of the stop valve 6, and the other end of the pressure transmission pipe 10 communicates with the liquid level hole 74.

Taking an oil gun for filling oil from the first oil filling port 2 as an example, referring to fig. 4, when oil is filled into the tank body 1, oil enters the first flow guide pipe 4 through the first oil filling port 2 and the first one-way valve, and then enters the stop valve 6 through the tee joint, the stop valve 6 comprises a piston chamber and a piston 62, an oil outlet 61 is arranged in the circumferential direction of the piston chamber, the piston 62 is located in the piston chamber, and the piston 62 can move in the piston chamber to open or close the oil outlet 61; the oil in the fuel nozzle pushes the piston 62 open to open the oil outlet 61, the oil enters the tank 1 from the oil outlet 61 of the shutoff valve 6, and a small amount of oil enters the oil outlet chamber 712 through the pressure transfer pipe 10 and enters the tank 1 from the liquid level hole 74. At this time, the float 73 is in the second position, and the air in the tank 1 enters the exhaust pipe 72 from the exhaust port of the level control valve 7 and finally exits the tank 1 from the exhaust check valve 8.

As the amount of oil filled increases, the liquid level of oil in the tank 1 gradually rises, and as shown in fig. 5, when the liquid level (shown by wavy lines) of the oil covers the liquid level hole 74 of the liquid level control valve 7, the float 73 (shown by dotted lines) rises to the first station, at this time, the exhaust port is closed, and the air cannot be exhausted to the outside of the tank 1, so that a pressure difference is generated, and the piston 62 is controlled to move by pressure change to close the oil outlet 61, so that the purposes of automatically jumping the gun and stopping oil filling after the oil is full are achieved.

According to the fuel tank provided by the embodiment, the external actuating mechanism is not needed for providing pressure for the tank body 1, the automatic closing of the fuel outlet 61 is realized through the liquid level change in the tank body 1, the structure is simple, and the accurate control is convenient.

Illustratively, referring to FIG. 4, the pressure transfer tube 10 is an S-bend.

In one embodiment, referring to fig. 1, the fuel tank further comprises an inlet check valve 11 disposed on a top plate 105 of the tank 1, the inlet check valve 11 comprising a valve body that integrates a desiccant and a filter cartridge.

When the fuel tank supplies fuel to the diesel engine, external gas enters the tank body 1 to realize pressure balance. Through set up the check valve 11 that admits air that integrates drier and filter core on the roof 105 of box 1, can dry and filter the gas that gets into the inside of box 1 for the fuel in the box 1 can keep higher clean degree.

It should be noted that the air inlet check valve 11 integrating the desiccant and the filter cartridge is a prior art, and the structure thereof will not be described in detail.

In one embodiment, referring to fig. 1 and 3, the top plate 105 of the case 1 is provided with an oil supply port 12 and an oil return port 13, the oil return port 13 is provided with an oil return pipe 131, and the oil return pipe 131 is located inside the case 1.

The oil supply port 12 is used for communicating with an oil inlet pipeline of the diesel engine to supply oil to the diesel engine, and surplus unused oil returns to the oil return port 13 and flows back into the tank body 1 through the oil return pipe 131.

In one embodiment, as shown in FIG. 1, the side wall of the tank 1 is provided with a liquid level observation window 14. Illustratively, the liquid level observation window 14 is arranged on the first side wall 101 of the tank 1. By providing the liquid level observation window 14, the liquid level of the oil in the tank 1 can be observed. In the case of not having the fuel gun for refueling, the fuel can be supplied through the conventional fuel filler provided on the upper portion of the first sidewall 101, and at this time, the liquid level of the oil in the tank can be observed through the liquid level observation window 14. Normally, the conventional filler opening is in a closed state.

In one embodiment, as shown in fig. 1, the fuel tank further comprises an electronic level gauge 19, the electronic level gauge 19 being mounted on the top plate 105 for detecting the level of oil in the tank 1. Of these, the electronic level gauge 19 is prior art.

In some embodiments, referring to fig. 1 and 2, the top panel 105 and the side walls of the tank 1 are each provided with an access opening 15. Illustratively, a circular access opening 15 is provided at approximately the center of the top plate 105, and a rectangular access opening 15 is provided at a position near the inlet check valve 11. The second sidewall 102 of the cabinet 1 is provided with one access opening 15, and the third sidewall 103 and the fourth sidewall 104 are provided with two access openings 15, respectively.

In other embodiments, the access opening 15 may be provided only in the ceiling 105 of the box body 1, or the access opening 15 may be provided only in the side wall of the box body 1.

In one embodiment, referring to fig. 2, the box 1 is provided with a mounting frame 16, the mounting frame 16 is used for connecting with a vehicle frame, and the mounting frame 16 is provided with a shock pad 17.

Illustratively, the mounting frame 16 is arranged outside the second side wall 102, the shock absorption pads 17 are arranged on the surface of the mounting frame 16 facing away from the second side wall 102, the number of the shock absorption pads 17 is multiple, and the shock absorption pads 17 are arranged at intervals. When the box body 1 is fixedly installed on the frame through the installation frame 16, the shock pad 17 is located between the installation frame 16 and the frame to relieve the impact of oil liquid shaking in the box body 1 on the frame.

In one embodiment, referring to fig. 1 and 2, the tank 1 is provided with a lifting lug 18. Through setting up lug 18, be convenient for hoist and mount and the welding to box 1. Illustratively, the third side wall 103 and the fourth side wall 104 of the box body 1 are both provided with lifting lugs 18.

The embodiment also provides a mining dump truck which comprises the fuel tank provided by the embodiment.

The mining dump truck provided by the embodiment can effectively prevent the oil in the tank body 1 from leaking from the first oil injection port 2 due to the use of the fuel tank provided by the embodiment, so that the oil can be prevented from being stolen, and the safety of the mining dump truck in the operation process is improved.

In one embodiment, the mining dump truck further comprises a frame, the mounting frame 16 is fixedly mounted on the frame, and the shock pad 17 is located between the mounting frame 16 and the frame and can relieve impact on the frame caused by oil liquid shaking in the box body 1.

Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present disclosure, and not for limiting the same; while the present disclosure has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present disclosure.

Claims

1. A fuel tank is characterized by comprising a tank body, wherein the tank body comprises a first side wall, a first oil filling opening is formed in the first side wall, and a first oil inlet one-way valve is arranged at the first oil filling opening; the inside of box is provided with first honeycomb duct, first honeycomb duct with first oiling mouth intercommunication, the port of producing oil of first honeycomb duct is close to the roof setting of box, the port of producing oil of first honeycomb duct with vertical distance between the roof of box is less than first oiling mouth with vertical distance between the roof of box.

2. The fuel tank according to claim 1, further comprising a three-way valve, a shutoff valve and a level control valve provided inside the tank body, and a vent check valve provided on a ceiling of the tank body;

3. The fuel tank according to claim 2, wherein a pressure transfer pipe is provided inside the tank body, one end of the pressure transfer pipe communicates with the communication hole of the shutoff valve, and the other end of the pressure transfer pipe communicates with the liquid level hole.

4. The fuel tank as claimed in claim 2, wherein the level control valve includes a valve body and a vent pipe, an inner cavity of the valve body includes a fuel outlet chamber and a float chamber, the fuel outlet chamber is located below the float chamber, and the level hole communicates with the fuel outlet chamber;

5. The fuel tank of any one of claims 1 to 4, further comprising an inlet check valve disposed on a roof of the tank, the inlet check valve comprising a valve body that integrates a desiccant and a filter cartridge.

6. The fuel tank according to any one of claims 1 to 4, wherein a ceiling of said tank body is provided with an oil supply port and an oil return port, said oil return port being provided with an oil return pipe, said oil return pipe being located inside said tank body.

7. Fuel tank according to any one of claims 1 to 4, characterized in that the ceiling of the tank is provided with an access opening and/or the side walls of the tank are provided with an access opening.

8. Fuel tank according to any one of claims 1 to 4, characterized in that the tank is provided with a mounting frame for connection with a vehicle frame, which mounting frame is provided with a shock pad.

9. The fuel tank according to any one of claims 1 to 4, wherein the tank body is provided with a lifting lug.

10. A mining dump truck characterized by comprising the fuel tank of any one of claims 1 to 9.