CN114046276A - Hydraulic oil tank and vehicle with same - Google Patents

Hydraulic oil tank and vehicle with same Download PDF

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Publication number
CN114046276A
CN114046276A CN202111403044.5A CN202111403044A CN114046276A CN 114046276 A CN114046276 A CN 114046276A CN 202111403044 A CN202111403044 A CN 202111403044A CN 114046276 A CN114046276 A CN 114046276A
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CN
China
Prior art keywords
oil
oil tank
hydraulic
port
tank main
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Granted
Application number
CN202111403044.5A
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Chinese (zh)
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CN114046276B (en
Inventor
刘洋
宋端坡
高爱华
刘刚
梁勇
周细威
陈永昌
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Suzhou Dafang Special Vehicle Co Ltd
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Suzhou Dafang Special Vehicle Co Ltd
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Priority to CN202111403044.5A priority Critical patent/CN114046276B/en
Publication of CN114046276A publication Critical patent/CN114046276A/en
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Publication of CN114046276B publication Critical patent/CN114046276B/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B1/00Installations or systems with accumulators; Supply reservoir or sump assemblies
    • F15B1/26Supply reservoir or sump assemblies
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B21/00Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
    • F15B21/04Special measures taken in connection with the properties of the fluid
    • F15B21/041Removal or measurement of solid or liquid contamination, e.g. filtering

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Supply Devices, Intensifiers, Converters, And Telemotors (AREA)

Abstract

The invention relates to a hydraulic oil tank which is used for being installed on a vehicle frame and comprises an oil tank main body, wherein an oil filling port, an oil suction port and an oil return port are formed in the side wall of the oil tank main body, an oil filling assembly is arranged at the oil filling port and comprises an oil filling pipe and a breathing cap used for circulating air and filtering impurities, one end of the oil filling pipe is communicated with the oil filling port, the opening at the other end of the oil filling pipe faces the upper part of the oil tank main body, the breathing cap is detachably connected to the opening at the other end of the oil filling pipe, the top of the breathing cap does not protrude out of the top of the oil tank main body, the hydraulic oil tank further comprises an oil suction filter and an oil return filter, the oil suction filter and the oil return filter are both arranged outside the hydraulic oil tank, the oil suction filter is communicated with the oil suction port, and the oil return filter is communicated with the oil return port. The invention reduces the installation space required by the hydraulic oil tank, increases the volume of the oil tank main body, reduces the installation and disassembly requirements of components such as an oil absorption filter, an oil return filter and the like, and has simple structure.

Description

Hydraulic oil tank and vehicle with same
Technical Field
The invention belongs to the technical field of oil tanks, and particularly relates to a hydraulic oil tank and a vehicle with the same.
Background
A hydraulic tank refers to a container for storing oil required to ensure the operation of a hydraulic system. Common large-scale engineering vehicles all have hydraulic systems, so all need to install hydraulic tank, provide hydraulic oil for hydraulic system. The hydraulic oil tank is a special container and has the functions of dissipating heat and depositing oil dirt besides storing hydraulic oil, so that the hydraulic oil tank generally comprises a tank body, a quick oil filling joint, a breathing device, a temperature and oil level gauge, an oil return filter, an oil absorption filter, a blow-down valve and other main components.
The oil suction filter is used for filtering oil sucked from the oil suction port and then delivering the oil to hydraulic equipment through an oil delivery pipe so as to provide hydraulic power for the hydraulic equipment; the oil return filter is used in oil return filtration of a hydraulic system, and is used for filtering out metal particles generated by abrasion of elements of the hydraulic system and rubber impurities generated by abrasion of a sealing element, so that oil returning to a hydraulic oil tank is kept clean for use in next operation. The oil absorption filter and the oil return filter are usually directly arranged at the top, the side or the bottom of the hydraulic oil tank, the filter heads of the filters are exposed out of the oil tank, the cylinder body is partially immersed in the hydraulic oil tank, and the quick oil filling connector and the breathing device are usually respectively arranged at the top of the hydraulic oil tank, so that the hydraulic oil tank is provided with a plurality of parts protruding out of the top or the bottom of the tank body. However, because hydraulic tank need install on the frame of vehicle, and the space that is used for installing hydraulic tank on the frame is limited, consequently these protrusion can lead to the volume of box can be compressed in the part of hydraulic tank box top or bottom, and common hydraulic tank operates inconveniently when changing parts such as dismouting filter, need pull down whole hydraulic tank and just can change, and the process is very complicated, consumes a large amount of manpower and materials, has increased the cost.
Disclosure of Invention
The invention aims to provide a hydraulic oil tank which is used for solving the problems of small size and inconvenient maintenance of the conventional hydraulic oil tank.
In order to achieve the purpose, the invention adopts the technical scheme that:
a hydraulic oil tank is used for being installed on a frame of a vehicle and comprises an oil tank main body, wherein an oil filling port, an oil suction port and an oil return port are formed in the side wall of the oil tank main body, an oil filling assembly is arranged at the oil filling port and comprises an oil filling pipe for filling oil into the oil tank main body and a breathing cap for circulating air and filtering impurities, one end of the oil filling pipe is communicated with the oil filling port, the opening at the other end of the oil filling pipe faces the upper part of the oil tank main body, the breathing cap is detachably connected at the opening at the other end of the oil filling pipe, the top of the breathing cap does not protrude out of the top of the oil tank main body, the hydraulic oil tank further comprises an oil suction filter and an oil return filter, and the oil suction filter and the oil return filter are arranged outside the hydraulic oil tank, and the oil suction filter is communicated with the oil suction port, and the oil return filter is communicated with the oil return port.
Preferably, the other end of the oil filling pipe is provided with a first flange, the bottom of the breathing cap is provided with a second flange, and the oil filling pipe and the breathing cap are detachably connected through the first flange and the second flange; and a sealing element is arranged on the first flange and/or the second flange.
Preferably, the oil filling pipe is a right-angle elbow pipe and is made of seamless round steel; the breathing cap is provided with a plurality of breathing holes.
Preferably, the oil suction filter and the oil return filter are respectively provided with an alarm module, and the alarm modules are used for giving an alarm when filter cores of the oil suction filter and the oil return filter are blocked.
Preferably, the oil tank main body is further provided with an oil discharge port, the oil discharge port is used for discharging hydraulic oil to be replaced, and an oil discharge pipe is connected to the oil discharge port; the hydraulic oil tank also comprises a control valve for controlling the opening and closing of the oil discharge port, and the control valve is positioned outside the hydraulic oil tank and arranged on the oil discharge pipe.
Preferably, a partition plate is arranged in the oil tank main body, the partition plate longitudinally divides the interior of the oil tank main body into a first cavity and a second cavity, a hole for communicating the first cavity with the second cavity is formed in the partition plate, the oil filling port and the oil suction port are formed in the first cavity, and the oil return port is formed in the second cavity; and the second cavity is also provided with an oil discharge port for discharging hydraulic oil to be replaced.
Further preferably, the oil tank main part in still be provided with the reinforcing plate, the reinforcing plate be used for increasing the structural strength of oil tank main part, the reinforcing plate along transversely setting up the top of oil tank main part, the top of baffle seted up along the cell body that extends from top to bottom, the reinforcing plate insert in the cell body, make the baffle fix the oil tank main part in.
Preferably, the oil tank main body is provided with a cleaning port, the cleaning port is detachably provided with a cover plate, and a sealing element is arranged between the cleaning port and the cover plate.
Preferably, the oil tank main body is provided with a detection piece, and the detection piece is used for monitoring the temperature and the liquid level of hydraulic oil in the oil tank main body in real time.
It is another object of the present invention to provide a vehicle having a hydraulic tank.
In order to achieve the purpose, the invention adopts the technical scheme that:
the utility model provides a vehicle with hydraulic tank, this vehicle includes frame, hydraulic tank be used for to the hydraulic system of vehicle provide hydraulic oil, hydraulic tank be in the aforesaid hydraulic tank, the frame on have and be used for the installation hydraulic tank's installation space, hydraulic tank's oil tank main part fill up installation space, hydraulic tank's oil absorption filter, oil return filter all set up the outside of installation space.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:
according to the invention, the external oil absorption filter and the external oil return filter are arranged, and the oil filling pipe and the breathing cap are integrated, so that the mounting space required by the hydraulic oil tank is greatly reduced, the volume of the oil tank main body is increased, more hydraulic oil can be accommodated, the mounting and dismounting requirements of the oil absorption filter, the oil return filter and other parts are reduced, the convenience is improved, the maintenance is convenient, the structure is simple, and the functions are complete.
Drawings
FIG. 1 is a schematic front view of a hydraulic oil tank according to the present embodiment;
FIG. 2 is a schematic cross-sectional view of A-A of FIG. 1;
FIG. 3 is a schematic cross-sectional view of B-B of FIG. 1;
FIG. 4 is a schematic structural view of the separator of the present embodiment;
fig. 5 is a schematic view of the installation of the frame and the hydraulic oil tank of the present embodiment.
In the above drawings: 1. a frame; 2. a hydraulic oil tank; 21. a tank main body; 211. an oil filler; 212. an oil suction port; 213. an oil return port; 214. an oil discharge port; 215. cleaning the mouth; 216. a reinforcing plate; 217. a partition plate; 218. a first cavity; 219. a second cavity; 22. a refueling assembly; 221. an oil filler tube; 2210. a first flange; 222. a breathing cap; 2220. a second flange; 23. an oil absorption filter; 24. an oil return filter; 25. a control valve; 26. a cover plate; 27. and (4) a detection piece.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
A vehicle having a hydraulic oil tank, as shown in fig. 5, the vehicle comprising a vehicle frame 1, a hydraulic oil tank 2, the hydraulic oil tank 2 being for supplying hydraulic oil to a hydraulic system of the vehicle, the vehicle frame 1 having an installation space for installing the hydraulic oil tank 2, the hydraulic oil tank 2 being provided in the installation space of the vehicle frame 1, wherein:
the hydraulic oil tank 2 includes an oil tank main body 21, an oil filling assembly 22, an oil suction filter 23, an oil return filter 24, a control valve 25, a cover plate 26 and a detection piece 27, as shown in fig. 1 and fig. 2, the oil filling assembly 22, the cover plate 26 and the detection piece 27 are all disposed on the oil tank main body 21, the oil suction filter 23, the oil return filter 24 and the control valve 25 are all located outside the oil tank main body 21 and are communicated with the oil tank main body 21, specifically:
the fuel tank main body 21 is arranged in the installation space of the vehicle frame 1, and since no part protruding from the top and the bottom of the fuel tank main body 21 exists on the fuel tank main body 21, the installation space can be occupied by the fuel tank main body 21, namely the external dimension of the fuel tank main body 21 is matched with the dimension of the installation space, so that the volume of the fuel tank main body 21 in the limited installation space is maximized. The oil tank main body 21 is provided with an oil filling port 211, an oil suction port 212, an oil return port 213, an oil discharge port 214 and a cleaning port 215, and the oil filling port 211, the oil suction port 212, the oil return port 213, the oil discharge port 214 and the cleaning port 215 are all located on the side wall of the oil tank main body 21.
Still be provided with reinforcing plate 216 in the oil tank main part 21, baffle 217, as shown in fig. 3, reinforcing plate 216 is along transversely setting up the top at oil tank main part 21, reinforcing plate 216 is used for increasing the structural strength of oil tank main part 21, the cell body that extends along upper and lower direction is seted up at the top of baffle 217, reinforcing plate 216 inserts in the cell body of baffle 217, as shown in fig. 4, make baffle 217 fix in oil tank main part 21, baffle 217 vertically separates oil tank main part 21 inside into first cavity 218, second cavity 219, oil filler hole 211, oil absorption hole 212, clean mouthful 215 is seted up on first cavity 218, oil return opening 213, oil discharge hole 214 is seted up on second cavity 219. The partition board 217 is also provided with holes for communicating the first cavity 218 with the second cavity 219, and the holes of the partition board 217 are provided with a filter screen, so that the effect of isolating precipitated impurities can be achieved; or the holes of the partition 217 may be arranged as a plurality of dense small holes, and the diameter of the small holes is smaller than the conventional diameter of the impurities, so as to achieve the effect of isolating the precipitated impurities. In this embodiment: a partition 217 is provided in the middle of the tank main body 21 to equalize the volumes of the first and second chambers 218 and 219.
Refuel subassembly 22 sets up at oil filler hole 211 department, refuels subassembly 22 and includes oil pipe 221, breathing cap 222, and oil pipe 221 is used for refuelling to in the oil tank main part 21, and breathing cap 222 is used for circulating air and filtration impurity, detachably connects between oil pipe 221 and the breathing cap 222, specifically:
one end of the oil filling pipe 221 is communicated with the oil filling port 211, and the other end of the oil filling pipe 221 is opened above the oil tank main body 21.
The breathing cap 222 is detachably connected to the opening at the other end of the oil filling pipe 221, the top of the breathing cap 222 does not protrude from the top of the oil tank main body 21, and a plurality of breathing holes for circulating air and filtering impurities are further formed in the breathing cap 222. The other end of the oil filling pipe 221 is provided with a first flange 2210, the bottom of the breathing cap 222 is provided with a second flange 2220, and the oil filling pipe 221 and the breathing cap 222 are detachably connected through the first flange 2210 and the second flange 2220. Seals are provided on the first flange 2210 and/or the second flange 2220 to ensure sealing performance between the filler tube 221 and the breather cap 222. In this embodiment: the mounting surfaces of the first flange 2210 and the second flange 2220 are smooth, the sealing element is a sealing ring, a groove body is arranged on the first flange 2210, and the sealing element is arranged in the groove body.
The oil suction filter 23 and the oil return filter 24 are both arranged outside the hydraulic oil tank 2 and can be installed at a proper position of the frame 1 without occupying the installation space on the frame 1 for installing the hydraulic oil tank 2. The oil suction filter 23 is communicated with an oil suction port 212, the oil suction port 212 is used for sucking hydraulic oil and conveying the hydraulic oil to the hydraulic system, the oil return filter 24 is communicated with an oil return port 213, and the oil return port 213 is used for returning the hydraulic oil in the hydraulic system to the oil tank main body 21. In this embodiment: the oil suction port 212 and the oil return port 213 are both threaded holes, and the oil suction filter 23 and the oil return filter 24 are respectively communicated with the oil suction port 212 and the oil return port 213 through hoses with external threads at one ends. The oil suction filter 23 and the oil return filter 24 are both provided with alarm modules, and the alarm modules are used for giving an alarm when filter cores of the oil suction filter 23 and the oil return filter 24 are blocked.
The control valve 25 is connected with the oil discharge port 214 and used for controlling the opening and closing of the oil discharge port 214, the oil discharge port 214 is used for discharging hydraulic oil to be replaced, an oil discharge pipe is connected to the oil discharge port 214, the control valve 25 is located outside the hydraulic oil tank 2 and is arranged on the oil discharge pipe, namely the control valve 25 can be installed at a proper position of the frame 1, and the installation space for installing the hydraulic oil tank 2 on the frame 1 is not occupied.
The cover plate 26 is disposed at a cleaning port 215, and the cleaning port 215 is used to clean contaminants such as particles, foreign substances, etc. in the fuel tank. The cover plate 26 is detachably disposed on the cleaning port 215, and a sealing member is disposed between the cleaning port 215 and the cover plate 26. In this embodiment: threaded holes are formed in the periphery of the cleaning opening 215, the cover plate 26 is detachably connected to the cleaning opening 215 through bolts, a groove body is formed in the periphery of the cleaning opening 215, and a sealing element is arranged in the groove body to ensure that the sealing performance between the cleaning opening 215 and the cover plate 26 is good.
The detection piece 27 is arranged on the oil tank main body 21, and the detection piece 27 is used for monitoring the temperature and the liquid level of hydraulic oil in the oil tank main body 21 in real time. In this embodiment: the detecting member 27 is located on the first cavity 218, and the detecting member 27 employs temperature and liquid level sensors, which can display the temperature and liquid level data of the hydraulic oil in real time.
In the working process of the embodiment:
when oil is filled into the oil tank main body 21, the breathing cap 222 is detached, hydraulic oil is filled into the first cavity 218 through the opening of the oil filling pipe 221, the breathing cap 222 is installed after the oil is filled, and impurities in the hydraulic oil cannot enter the second cavity 219 due to the fact that the partition board 217 is arranged in the oil tank main body 21; when the hydraulic system needs hydraulic oil, the hydraulic oil is sucked through the oil suction port 212, and the hydraulic oil enters the hydraulic system through the oil suction filter 23 arranged outside the installation space of the frame 1; when the hydraulic oil in the hydraulic system flows back to the hydraulic oil tank 2, the hydraulic oil firstly passes through the oil return filter 23 arranged outside the installation space of the frame 1 and then enters the second cavity 219; when the hydraulic oil in the hydraulic oil tank 2 needs to be replaced, the control valve 25 opens the oil discharge port 214 to discharge the hydraulic oil, and the cover plate 26 is removed to clean the inside of the tank main body 21.
The hydraulic tank 2 is installed in the installation space of the vehicle frame 1, and the tank main body 21 has a large volume because there is no protruding part at the top and bottom of the tank main body 21. In addition, since the mounting positions of the oil suction filter 23, the oil return filter 24, and the control valve 25 are free, maintenance and replacement can be facilitated.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims (10)

1. A hydraulic tank for mounting on a frame of a vehicle, comprising a tank body, characterized in that: the side wall of the oil tank main body is provided with an oil filling port, an oil suction port and an oil return port, an oil filling assembly is arranged at the oil filling port, the oil filling assembly comprises an oil filling pipe used for filling oil into the oil tank main body and a breathing cap used for ventilating air and filtering impurities, one end of the oil filling pipe is communicated with the oil filling port, the opening at the other end of the oil filling pipe faces the upper part of the oil tank main body, the breathing cap is detachably connected at the opening at the other end of the oil filling pipe, the top of the breathing cap does not protrude out of the top of the oil tank main body, the hydraulic oil tank also comprises an oil absorption filter and an oil return filter which are both arranged outside the hydraulic oil tank, and the oil suction filter is communicated with the oil suction port, and the oil return filter is communicated with the oil return port.
2. The hydraulic oil tank according to claim 1, characterized in that: the other end of the oil filling pipe is provided with a first flange, the bottom of the breathing cap is provided with a second flange, and the oil filling pipe and the breathing cap are detachably connected through the first flange and the second flange; and a sealing element is arranged on the first flange and/or the second flange.
3. The hydraulic oil tank according to claim 1, characterized in that: the oil filling pipe is a right-angle elbow pipe and is made of seamless round steel; the breathing cap is provided with a plurality of breathing holes.
4. The hydraulic oil tank according to claim 1, characterized in that: the oil absorption filter and the oil return filter are respectively provided with an alarm module, and the alarm modules are used for giving an alarm when filter elements of the oil absorption filter and the oil return filter are blocked.
5. The hydraulic oil tank according to claim 1, characterized in that: the oil tank main body is also provided with an oil discharge port, the oil discharge port is used for discharging hydraulic oil to be replaced, and an oil discharge pipe is connected to the oil discharge port; the hydraulic oil tank also comprises a control valve for controlling the opening and closing of the oil discharge port, and the control valve is positioned outside the hydraulic oil tank and arranged on the oil discharge pipe.
6. The hydraulic oil tank according to claim 1, characterized in that: the oil tank is characterized in that a partition plate is arranged in the oil tank main body, the partition plate longitudinally divides the interior of the oil tank main body into a first cavity and a second cavity, a hole for communicating the first cavity with the second cavity is formed in the partition plate, the oil filling port and the oil suction port are formed in the first cavity, and the oil return port is formed in the second cavity; and the second cavity is also provided with an oil discharge port for discharging hydraulic oil to be replaced.
7. The hydraulic oil tank according to claim 6, characterized in that: the oil tank main part in still be provided with the reinforcing plate, the reinforcing plate be used for increasing the structural strength of oil tank main part, the reinforcing plate along transversely setting up the top of oil tank main part, the top of baffle seted up along the cell body that the upper and lower direction extends, the reinforcing plate insert the cell body in, make the baffle fix the oil tank main part in.
8. The hydraulic oil tank according to claim 1, characterized in that: the oil tank main part on seted up clean mouthful, clean mouthful department detachably be provided with the apron, clean mouthful with the apron between be provided with the sealing member.
9. The hydraulic oil tank according to claim 1, characterized in that: the oil tank main part on be provided with the detection piece, the detection piece be used for real time monitoring the oil tank main part in the temperature and the liquid level of hydraulic oil.
10. A vehicle having a hydraulic tank, characterized in that: the vehicle comprises a vehicle frame and a hydraulic oil tank, wherein the hydraulic oil tank is used for providing hydraulic oil for a hydraulic system of the vehicle, the hydraulic oil tank is as claimed in any one of claims 1 to 9, an installation space for installing the hydraulic oil tank is arranged on the vehicle frame, an oil tank main body of the hydraulic oil tank occupies the installation space, and an oil suction filter and an oil return filter of the hydraulic oil tank are arranged outside the installation space.
CN202111403044.5A 2021-11-24 2021-11-24 Hydraulic oil tank and vehicle with same Active CN114046276B (en)

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CN114046276B CN114046276B (en) 2024-07-05

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CN206582046U (en) * 2017-03-03 2017-10-24 温岭市东风汽车配件厂 A kind of small gasoline sump
CN107420358A (en) * 2017-07-13 2017-12-01 徐州徐工矿山机械有限公司 Articulated truck hydraulic oil container
CN110725814A (en) * 2019-10-09 2020-01-24 湖北航天技术研究院特种车辆技术中心 Hydraulic oil tank and vehicle
US20200049035A1 (en) * 2017-06-07 2020-02-13 Jiangsu University Of Science And Technology Inverted non-stop lifeboat diesel engine lubrication system and flow configuration method thereof
CN216278712U (en) * 2021-11-24 2022-04-12 苏州大方特种车股份有限公司 Hydraulic oil tank and vehicle with same

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59145355A (en) * 1983-02-07 1984-08-20 Nissan Motor Co Ltd Operating oil tank for industrial vehicle
CN103089719A (en) * 2011-11-02 2013-05-08 南通新凤祥液压铸造有限公司 Modified hydraulic oil tank
CN102767544A (en) * 2012-06-30 2012-11-07 瑞安市阀门一厂 Totally closed hydraulic oil tank
CN203051259U (en) * 2012-06-30 2013-07-10 瑞安市阀门一厂 Totally closed hydraulic oil tank
CN202867366U (en) * 2012-10-24 2013-04-10 成都市新筑路桥机械股份有限公司 Hydraulic oil tank for open type hydraulic system
CN103485857A (en) * 2013-08-28 2014-01-01 温州新星滤清器有限公司 Return oil filter of oil tank
CN103470548A (en) * 2013-09-26 2013-12-25 镇江金天辰新材料有限公司 Hydraulic oil tank
CN106762866A (en) * 2015-11-24 2017-05-31 中国直升机设计研究所 A kind of fuel tank assembly Combination Design
CN206142762U (en) * 2016-08-27 2017-05-03 安徽合力股份有限公司 A two oil tank device for large -tonnage electric fork -lift
CN106402051A (en) * 2016-10-14 2017-02-15 广西欧讯科技服务有限责任公司 Hydraulic oil tank for tractor
CN206582046U (en) * 2017-03-03 2017-10-24 温岭市东风汽车配件厂 A kind of small gasoline sump
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CN216278712U (en) * 2021-11-24 2022-04-12 苏州大方特种车股份有限公司 Hydraulic oil tank and vehicle with same

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