CN115419815B - Multifunctional movable independent circulating lubrication system of smoke ventilator equipment and operation method - Google Patents

Multifunctional movable independent circulating lubrication system of smoke ventilator equipment and operation method Download PDF

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Publication number
CN115419815B
CN115419815B CN202210915633.XA CN202210915633A CN115419815B CN 115419815 B CN115419815 B CN 115419815B CN 202210915633 A CN202210915633 A CN 202210915633A CN 115419815 B CN115419815 B CN 115419815B
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China
Prior art keywords
oil
way
smoke machine
machine equipment
pipeline
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CN202210915633.XA
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CN115419815A (en
Inventor
张晓东
金姝彬
吉鹏
王金
王伟
李靖
赵海挺
景明
杨晓华
董利
张维琛
陈利福
郑雨龙
王晓军
张海龙
李端端
李彬
孙斌
周来红
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Zhangjiakou Cigarette Factory Co Ltd
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Zhangjiakou Cigarette Factory Co Ltd
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Priority to CN202210915633.XA priority Critical patent/CN115419815B/en
Publication of CN115419815A publication Critical patent/CN115419815A/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16N—LUBRICATING
    • F16N37/00—Equipment for transferring lubricant from one container to another
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16N—LUBRICATING
    • F16N33/00—Mechanical arrangements for cleaning lubricating equipment; Special racks or the like for use in draining lubricant from machine parts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16N—LUBRICATING
    • F16N33/00—Mechanical arrangements for cleaning lubricating equipment; Special racks or the like for use in draining lubricant from machine parts
    • F16N2033/005—Flushing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16N—LUBRICATING
    • F16N37/00—Equipment for transferring lubricant from one container to another
    • F16N2037/006—Filling

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Manufacturing Of Cigar And Cigarette Tobacco (AREA)

Abstract

The application discloses a multifunctional movable independent circulating lubrication system of a smoke machine device and an operation method, the multifunctional movable independent circulating lubrication system comprises a moving device and a lubrication system arranged on the moving device, the lubrication system comprises an oil tank, a three-way ball valve, a variable pump and a three-position four-way reversing valve are sequentially connected from the oil tank through a pipeline, the three-position four-way reversing valve is further connected with an oil way connection pipe and an oil outlet pipe, the oil way connection pipe and the oil outlet pipe are both provided with one-way throttle valves, the three-way ball valve is further connected with an oil suction pipe, the oil tank is further connected with an oil return pipe provided with a switch valve, and a pressure monitoring device is arranged on the pipeline between the variable pump and the three-position four-way reversing valve. The application realizes the filling, emptying and lubricating oil circulation of the smoke ventilator equipment or cleaning of a lubricating pipeline by providing power through the variable pump, has more comprehensive functions, more convenient operation and improved functionality, saves equipment allocation types and equipment storage space.

Description

Multifunctional movable independent circulating lubrication system of smoke ventilator equipment and operation method
Technical Field
The application relates to the field of cigarette equipment, in particular to a multifunctional movable independent circulating lubrication system of cigarette machine equipment and an operation method.
Background
In the automatic maintenance process of the equipment, the 'equipment idle operation' is an important link for checking the maintenance result of the equipment and is also a key index for evaluating whether the maintenance is successful or not. The filling and emptying of lubricating oil is an indispensable important link in the process of 'equipment idle operation', and more importantly, the circulation condition and method are provided for the part of the smoke machine equipment which does not have self-lubricating circulation capability.
At present, most of the tobacco machine equipment repair factories are realized by simply using an oil pump motor when filling and emptying lubricating oil, no special equipment exists, and individual factories manufacture equipment for filling and emptying the lubricating oil, but do not have a circulating power system for providing idle lubrication or only separately provide a part of lubricating circulating power, so that the limitation is large.
Disclosure of Invention
In order to solve the problems, the application provides a multifunctional movable independent circulating lubrication system of cigarette machine equipment and an operation method thereof, so as to realize the multifunctional lubrication system of independent circulation of oil ways of the cigarette machine equipment, emptying of lubricating oil and cleaning of lubricating pipelines.
The technical scheme adopted for solving the technical problems is as follows:
the utility model provides a multi-functional movable independent circulation lubricating system of cigarette machine equipment, includes mobile device and installs the lubricating system on transfer device, lubricating system includes the oil tank, certainly the oil tank has connected gradually tee bend ball valve, variable pump and three-position four-way switching-over valve through the pipeline from the oil tank, three-position four-way switching-over valve still is connected with oil circuit and plugs into the pipe and go out oil pipe, oil circuit plug into the pipe with go out all be provided with one-way choke valve on the oil pipe, tee bend ball valve still is connected with oil suction pipe, the oil tank still is connected with the oil return pipe that is equipped with the ooff valve, the variable pump with be provided with pressure monitoring device on the pipeline between the three-position four-way switching-over valve.
As an improvement of the scheme, a safety pipeline provided with an overflow valve is further communicated with a pipeline between the pressure monitoring device and the three-position four-way reversing valve, and the output end of the safety pipeline is communicated with the oil tank.
As an improvement of the scheme, a filter is arranged on a pipeline between the oil tank and the three-way ball valve.
As an improvement of the scheme, the oil tank is also provided with an oil level monitoring device for observing the oil level.
As an improvement of the scheme, the oil tank is also provided with an oil tank cover for keeping the internal pressure and the external pressure of the oil tank consistent.
As an improvement of the scheme, the air filter is arranged on the oil tank cover.
As an improvement of the scheme, the oil way connection pipe is made of high-pressure resistant rubber.
As the improvement of above-mentioned scheme, mobile device is including the mounting platform that is used for installing lubricating system and connect in the gyro wheel of mounting platform below, the oil tank is installed the back of mounting platform, one side fixedly connected with of mounting platform promotes the handle.
The application also provides an operation method of the multifunctional movable independent circulating lubrication system of the smoke machine equipment, which is applied to the multifunctional movable independent circulating lubrication system of the smoke machine equipment, and comprises the following steps:
when the independent circulation function of the lubricating oil of the smoke machine equipment is used, the method comprises the following steps:
(1) Sucking lubricating oil into the oil tank;
(2) The input end and the output end of the smoke machine equipment are respectively connected with an oil way connection pipe and an oil return pipe;
(3) Cutting off an oil suction pipe through a three-way ball valve, communicating a pipeline between an oil tank and a variable pump, communicating an oil way connection pipe through a three-position four-way reversing valve, and opening a switching valve to communicate an oil return pipe with the oil tank;
(4) Starting a motor, running a variable pump, conveying lubricating oil from an oil tank, a filter and the variable pump to the smoke machine equipment, and conveying the lubricating oil into an oil return tank through an oil return pipe so as to realize the independent circulation function of the lubricating oil of the smoke machine equipment;
when the lubricating oil of the smoke machine equipment is exhausted, the method comprises the following steps of:
(1) Connecting an oil way of the smoke machine equipment with an oil suction pipe, and connecting the oil outlet pipe with an oil storage container for collecting lubricating oil;
(2) The pipeline of the filter section, the pipeline between the oil way of the smoke machine equipment and the variable pump are cut off through the three-way ball valve, and the oil outlet pipe is communicated through the three-position four-way reversing valve;
(3) Starting a motor, running a variable pump, and conveying lubricating oil from the smoke machine equipment and the variable pump to an oil storage container so as to realize the function of exhausting the lubricating oil of the smoke machine equipment;
when cleaning the lubrication pipeline of the smoke machine equipment, the method comprises the following steps:
(1) The cleaning container filled with cleaning liquid is communicated with an oil suction pipe, the input end of an oil way of the smoke machine equipment is communicated with an oil way connection pipe, and the output end of the oil way connection pipe is communicated with a liquid storage container for collecting waste liquid;
(2) The pipeline of the filter section is cut off through a three-way ball valve, the pipeline between the cleaning container and the variable pump is communicated, and the oil way connection pipe is communicated through a three-position four-way reversing valve;
(3) Starting the motor, running the variable pump, and conveying the lubricating oil self-cleaning container, the variable pump and the smoke machine equipment to the liquid storage container so as to realize the function of cleaning the lubricating pipeline of the smoke machine equipment.
The beneficial effects brought by the application are as follows:
the application designs a multifunctional movable independent circulating lubrication system of a smoke machine device, which is realized by supplying power to the smoke machine device through a variable pump to fill, empty and circulate lubricating oil or clean a lubricating pipeline.
Drawings
The application will be further described with reference to the accompanying drawings and specific examples,
FIG. 1 is a schematic structural diagram of a multifunctional movable independent circulating lubrication system of a smoke machine device;
FIG. 2 is a schematic diagram of the structure of the application when the independent circulation function of the lubricating oil of the smoke machine equipment is realized;
FIG. 3 is a schematic diagram of the structure of the present application for implementing the function of evacuating lubricating oil from a range hood device;
fig. 4 is a schematic structural diagram of the present application for cleaning the lubrication pipeline of the smoke machine.
In the figure: 1. a filter; 2. three-way ball valve; 3. a variable displacement pump; 4. a motor; 5. a pressure gauge switch; 6. a pressure gauge; 7. an overflow valve; 8. a three-position four-way reversing valve; 9. a one-way throttle valve; 10. a switch valve; 11. an air filter; 12. an oil level monitoring device; 13. an oil tank; 100. an oil suction pipe; 200. the oil way is connected with the pipe; 300. an oil outlet pipe; 400. an oil return pipe; 101. a smoke machine device; 102. an oil reservoir; 103. cleaning the container; 104. a liquid storage container.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
In the description of the present application, it should be understood that the terms "upper", "lower", "upper", "both ends", "width", "height", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application.
In the present application, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," "communicating," and the like are to be construed broadly, and may be, for example, fixedly connected or detachably connected; may be a mechanical connection; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.
Example 1
Referring to fig. 1, a multifunctional movable independent circulation lubrication system of a smoke machine device comprises a moving device and a lubrication system arranged on the moving device, wherein the lubrication system comprises an oil tank 13 for storing lubricating oil, an oil level monitoring device 12 for observing the oil level and an oil tank cover for keeping the internal pressure and the external pressure of the oil tank 13 consistent are arranged on the oil tank 13, and an air filter 11 is arranged on the oil tank cover so as to clean air entering and exiting the oil tank 13.
A three-way ball valve 2, a variable pump 3 and three-position four-way valves are sequentially connected from the oil tank 13 through pipelinesAnd a reversing valve 8 is communicated. A filter 1 is arranged on a pipeline between the oil tank 13 and the three-way ball valve 2 to clean lubricating oil. The three-way ball valve 2 is also connected with an oil suction pipe 100, and the three-way ball valve 2 is T-shaped and can be communicated with three orthogonal pipelines or cut off one pipeline so as to realize the effect of diversion or confluence among the pipelines. The variable pump 3 can be a vane variable pump, wherein the vane variable pump adopts VA1-12FA2 of JYLSi, the displacement is 12l/min, and the maximum pressure is 70Kgf/cm 2 Motor 4 was a 750W three-phase asynchronous motor with JYLSi. The variable displacement pump 3 is driven by the motor 4 to effect filling, emptying, circulation of lubricating oil or detergent. The three-position four-way reversing valve 8 is also connected with an oil way connection pipe 200 and an oil outlet pipe 300, the oil way connection pipe 200 and the oil outlet pipe 300 are both provided with a one-way throttle valve 9, and the oil way connection pipe 200 is made of high-pressure-resistant rubber and has high elasticity and high sealing performance so as to improve durability. The three-position four-way reversing valve 8 can be used for selectively communicating the oil way connection pipe 200 or the oil outlet pipe 300, and the oil way connection pipe 200 can be completely and hermetically connected with an oil way in smoke machine equipment. The oil tank 13 is also connected with an oil return pipe 400 provided with a switch valve 10, and a pressure monitoring device is arranged on a pipeline between the variable pump 3 and the three-position four-way reversing valve 8, so that the circulation speed of lubricating oil is visually displayed, the pressure monitoring device can be a shock-resistant pressure gauge 6, and a pressure gauge switch 5 is arranged between the pressure gauge 6 and the pipeline to control the opening and closing of the pressure gauge 6.
The pipeline between the pressure monitoring device and the three-position four-way reversing valve 8 is also connected with a safety pipeline provided with an overflow valve 7, the output end of the safety pipeline is communicated with the oil tank 13, and the overflow valve 7 can be a plate type overflow valve. When the pipeline pressure at the output end of the variable pump 3 is too high, the overflow valve 7 is opened under the pressure effect, the safety pipeline is communicated with the oil tank 13, and part of lubricating oil/cleaning liquid flows into the oil tank 13 through the overflow valve 7 so as to reduce the pressure in the pipeline at the output end of the variable pump 3.
The mobile device is including the mounting platform that is used for installing lubricating system and connect in the gyro wheel of mounting platform below, oil tank 13 is installed mounting platform's back, one side fixedly connected with of mounting platform promotes the handle, is convenient for remove this lubricating system to different cigarette machine equipment department.
Example 2
The embodiment provides an operation method of a multifunctional movable independent circulating lubrication system of a smoke machine device, which is applied to the multifunctional movable independent circulating lubrication system of the smoke machine device in the embodiment 1, and comprises the following steps:
referring to fig. 2, when using the individual circulation function of the lubricating oil of the range hood device, the method comprises the steps of:
(1) Sucking lubricating oil into the oil tank 13;
(2) The input end and the output end of the smoke machine equipment 101 are respectively connected with an oil way connection pipe 200 and an oil return pipe 400;
(3) The oil suction pipe 100 is cut off through the three-way ball valve 2, a pipeline between the oil tank 13 and the variable pump 3 is communicated, the oil way connection pipe 200 is communicated through the three-position four-way reversing valve 8, and the switch valve 10 is opened to communicate the oil return pipe 400 with the oil tank 13;
(4) Starting the motor 4, running the variable pump 3, conveying lubricating oil from the oil tank 13, the filter 1 and the variable pump 3 to the smoke machine equipment, and conveying the lubricating oil back to the oil tank 13 through the oil return pipe 400 so as to realize the independent circulation function of the lubricating oil of the smoke machine equipment;
referring to fig. 3, when evacuating the range hood device lubricant, the steps are included:
(1) Connecting the oil path of the smoke machine 101 with the oil suction pipe 100, and connecting the oil outlet pipe 300 with the oil storage container 102 for collecting lubricating oil;
(2) The pipeline of the section 1 of the filter, the pipeline between the oil way of the smoke machine equipment 101 and the variable pump 3 are cut off through the three-way ball valve 2, and the oil outlet pipe 300 is communicated through the three-position four-way reversing valve 8;
(3) Starting the motor 4, running the variable pump 3, and conveying lubricating oil from the smoke machine equipment 101 and the variable pump 3 to the oil storage container 102 so as to realize the function of exhausting the lubricating oil of the smoke machine equipment;
referring to fig. 4, when cleaning the lubrication circuit of the tobacco machine, the method comprises the following steps:
(1) The cleaning container 103 filled with cleaning liquid is communicated with the oil suction pipe 100, the input end of an oil way of the smoke machine equipment 101 is communicated with the oil way connecting pipe 200, and the output end of the oil way connecting pipe is communicated with the liquid storage container 104 for collecting waste liquid;
(2) The three-way ball valve 2 is used for cutting off the pipeline of the section 1 of the filter, communicating the pipeline between the cleaning container 103 and the variable pump 3, and communicating the oil way connection pipe 200 through the three-position four-way reversing valve 8;
(3) The motor 4 is started, the variable pump 3 operates, and the lubricating oil self-cleaning container 103, the variable pump 3 and the smoke machine equipment 101 are conveyed to the liquid storage container 104 so as to realize the function of cleaning the lubricating pipeline of the smoke machine equipment.
It should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present application, and although the present application has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present application.

Claims (7)

1. A multifunctional movable independent circulating lubrication method for a smoke machine device is characterized by comprising the following steps of: the lubrication system is used for operation and is installed on a mobile device, the lubrication system comprises an oil tank, the oil tank is sequentially connected with a three-way ball valve, a variable pump and a three-position four-way reversing valve through pipelines, the three-position four-way reversing valve is further connected with an oil way connection pipe and an oil outlet pipe, the oil way connection pipe and the oil outlet pipe are both provided with one-way throttle valves, the three-way ball valve is further connected with an oil suction pipe, the oil tank is further connected with an oil return pipe provided with a switch valve, a pressure monitoring device is arranged on the pipeline between the variable pump and the three-position four-way reversing valve, and a filter is arranged on the pipeline between the oil tank and the three-way ball valve;
the multifunctional movable independent circulating lubrication method of the smoke machine equipment comprises the following steps of:
when the independent circulation function of the lubricating oil of the smoke machine equipment is used, the method comprises the following steps:
(1) Sucking lubricating oil into the oil tank;
(2) The input end and the output end of the smoke machine equipment are respectively connected with an oil way connection pipe and an oil return pipe;
(3) Cutting off an oil suction pipe through a three-way ball valve, communicating a pipeline between an oil tank and a variable pump, communicating an oil way connection pipe through a three-position four-way reversing valve, and opening a switching valve to communicate an oil return pipe with the oil tank;
(4) Starting a motor, running a variable pump, conveying lubricating oil from an oil tank, a filter and the variable pump to the smoke machine equipment, and conveying the lubricating oil into an oil return tank through an oil return pipe so as to realize the independent circulation function of the lubricating oil of the smoke machine equipment;
when the lubricating oil of the smoke machine equipment is exhausted, the method comprises the following steps of:
(1) Connecting an oil way of the smoke machine equipment with an oil suction pipe, and connecting the oil outlet pipe with an oil storage container for collecting lubricating oil;
(2) The pipeline of the filter section, the pipeline between the oil way of the smoke machine equipment and the variable pump are cut off through the three-way ball valve, and the oil outlet pipe is communicated through the three-position four-way reversing valve;
(3) Starting a motor, running a variable pump, and conveying lubricating oil from the smoke machine equipment and the variable pump to an oil storage container so as to realize the function of exhausting the lubricating oil of the smoke machine equipment;
when cleaning the lubrication pipeline of the smoke machine equipment, the method comprises the following steps:
(1) The cleaning container filled with cleaning liquid is communicated with an oil suction pipe, the input end of an oil way of the smoke machine equipment is communicated with an oil way connection pipe, and the output end of the oil way connection pipe is communicated with a liquid storage container for collecting waste liquid;
(2) The pipeline of the filter section is cut off through a three-way ball valve, the pipeline between the cleaning container and the variable pump is communicated, and the oil way connection pipe is communicated through a three-position four-way reversing valve;
(3) Starting the motor, running the variable pump, and conveying the lubricating oil self-cleaning container, the variable pump and the smoke machine equipment to the liquid storage container so as to realize the function of cleaning the lubricating pipeline of the smoke machine equipment.
2. The multifunctional movable independent circulating lubrication method of the smoke machine equipment according to claim 1, wherein the method comprises the following steps of:
the pressure monitoring device is communicated with a pipeline between the three-position four-way reversing valve, a safety pipeline provided with an overflow valve is further communicated with the pipeline between the pressure monitoring device and the three-position four-way reversing valve, and the output end of the safety pipeline is communicated with the oil tank.
3. The multifunctional movable independent circulating lubrication method of the smoke machine equipment according to claim 1, wherein the method comprises the following steps of:
and the oil tank is also provided with an oil level monitoring device for observing the oil level.
4. A multifunctional movable independent circulation lubrication method for a smoke machine equipment according to claim 1 or 3, which is characterized in that:
the oil tank is also provided with an oil tank cover for keeping the internal pressure and the external pressure of the oil tank consistent.
5. The multifunctional movable independent circulating lubrication method of the smoke machine equipment according to claim 4, wherein the method comprises the following steps of:
an air filter is arranged on the oil tank cover.
6. The multifunctional movable independent circulating lubrication method of the smoke machine equipment according to claim 1, wherein the method comprises the following steps of:
the oil way connection pipe is made of high-pressure resistant rubber.
7. The multifunctional movable independent circulating lubrication method of the smoke machine equipment according to claim 1, wherein the method comprises the following steps of:
the mobile device comprises a mounting platform for mounting a lubricating system and a roller connected below the mounting platform, the oil tank is mounted on the back of the mounting platform, and one side of the mounting platform is fixedly connected with a pushing handle.
CN202210915633.XA 2022-08-01 2022-08-01 Multifunctional movable independent circulating lubrication system of smoke ventilator equipment and operation method Active CN115419815B (en)

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CN115419815B true CN115419815B (en) 2023-09-26

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106404615A (en) * 2016-08-30 2017-02-15 广州文冲船厂有限责任公司 Ship tail shaft shaft-seal, lubricating, and sealing condition monitoring system
CN208600379U (en) * 2018-05-23 2019-03-15 华电通用轻型燃机设备有限公司 Boat remodeling gas turbine oil flushing equipment
CN211875647U (en) * 2020-01-15 2020-11-06 深圳市车安达汽保设备有限公司 Commercial car lubricating system washs equipment of changing oil
CN114042711A (en) * 2021-09-26 2022-02-15 广西科技大学 Pre-lubricating and cleaning device for automatic gearbox of automobile

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BRPI0600700B1 (en) * 2006-03-03 2018-06-12 Petroleo Brasileiro S.A. - Petrobras TROPICALIZED GEARBOX SYSTEM FOR PETROLUMBER SEAL BLOCKING VALVES AND GEARBOX DECONTAMINATION METHOD

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106404615A (en) * 2016-08-30 2017-02-15 广州文冲船厂有限责任公司 Ship tail shaft shaft-seal, lubricating, and sealing condition monitoring system
CN208600379U (en) * 2018-05-23 2019-03-15 华电通用轻型燃机设备有限公司 Boat remodeling gas turbine oil flushing equipment
CN211875647U (en) * 2020-01-15 2020-11-06 深圳市车安达汽保设备有限公司 Commercial car lubricating system washs equipment of changing oil
CN114042711A (en) * 2021-09-26 2022-02-15 广西科技大学 Pre-lubricating and cleaning device for automatic gearbox of automobile

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