CN114876917A - Online oil purifying system of heading machine and heading machine - Google Patents
Online oil purifying system of heading machine and heading machine Download PDFInfo
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- CN114876917A CN114876917A CN202210586600.5A CN202210586600A CN114876917A CN 114876917 A CN114876917 A CN 114876917A CN 202210586600 A CN202210586600 A CN 202210586600A CN 114876917 A CN114876917 A CN 114876917A
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- oil
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- machine
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
- F15B21/041—Removal or measurement of solid or liquid contamination, e.g. filtering
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
- E02F9/22—Hydraulic or pneumatic drives
- E02F9/2278—Hydraulic circuits
- E02F9/2292—Systems with two or more pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
- F15B2211/205—Systems with pumps
- F15B2211/20576—Systems with pumps with multiple pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/60—Circuit components or control therefor
- F15B2211/615—Filtering means
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The application provides online clean system of entry driving machine fluid and entry driving machine belongs to engineering machine tool technical field, and online clean system of entry driving machine fluid includes: a hydraulic oil tank; the hydraulic system of the heading machine is connected with the hydraulic oil tank and used for driving the heading machine to operate, and the hydraulic system of the heading machine comprises a main oil pump group; the series pump is connected with the main oil pump set through shaft, and an oil inlet of the series pump is connected with the hydraulic oil tank; and an oil inlet of the fine filtering system is connected with an oil outlet of the series pump, and an oil outlet of the fine filtering system is connected with the hydraulic oil tank. Through the technical scheme of this application, can realize that the entry driving machine carries out online fluid when work and forces the filtration, guarantee fluid cleanliness need not additionally increase the power supply, has reduced hydraulic system fault rate, extension equipment life.
Description
Technical Field
The application belongs to the technical field of engineering machinery, and particularly relates to an online oil liquid purification system of a heading machine and the heading machine.
Background
Due to the particularity of the mine excavation environment, the excavated surface is filled with pollutants such as particles, dust, slurry and the like, and the operation safety of a hydraulic system is seriously threatened. Except for the cutting function, other actions of the heading machine all depend on a hydraulic system to provide power, and most faults of the hydraulic system are caused by hydraulic oil pollution, so that the machine is stopped and production is stopped, and the working efficiency is influenced. At present, in a hydraulic system of a heading machine, in order to ensure the normal operation of the system, a low-precision filter is generally arranged, and equipment works under severe working conditions for a long time, so that oil pollution is easily caused, and hydraulic elements are damaged. In the prior art, the flow of a hydraulic system is influenced by taking oil from a main oil pump, and when the system works at high pressure, high-pressure oil of an oil return part enters a filter, so that the pressure resistance requirement of the filter is increased. Meanwhile, high-pressure oil directly enters an oil tank, and safety of a hydraulic system is affected.
Disclosure of Invention
Embodiments according to the present application aim to ameliorate at least one of the technical problems of the prior art or the related art.
In view of the above, an object of the embodiments according to the present application is to provide an on-line purification system for heading machine oil liquid.
It is another object according to an embodiment of the present application to provide a heading machine.
In order to achieve the above object, according to a first aspect of the present application, there is provided an online tunneling machine oil purification system, including: a hydraulic oil tank; the hydraulic system of the heading machine is connected with the hydraulic oil tank and used for driving the heading machine to operate, and the hydraulic system of the heading machine comprises a main oil pump group; the series pump is connected with the main oil pump set through shaft, and an oil inlet of the series pump is connected with the hydraulic oil tank; and an oil inlet of the fine filtering system is connected with an oil outlet of the series pump, and an oil outlet of the fine filtering system is connected with the hydraulic oil tank.
According to the application, the online purifying system for the heading machine oil liquid comprises a hydraulic oil tank, a heading machine hydraulic system, a series pump and a fine filter. And the hydraulic system of the heading machine is connected with the hydraulic oil tank and used for driving the heading machine to operate. The hydraulic system of the heading machine comprises a main oil pump group, wherein the tail end of the main oil pump group is connected with a large-flow series pump in series and is connected with a through shaft of the main oil pump group, and the main oil pump group and the motor of the hydraulic system of the heading machine are driven to synchronously rotate. The fine filtering system is arranged between an oil outlet of the series pump and the hydraulic oil tank, and can filter out pollutants which are difficult to filter out by a filter of the hydraulic system of the heading machine. It can be understood that during the normal work of the heading machine, the tandem pump synchronously operates along with the main oil pump group to suck the oil liquid in the hydraulic oil tank and input the oil liquid into the fine filtering system, the fine filtering system is arranged around the hydraulic oil tank, the oil liquid output by the tandem pump passes through the fine filtering system, enters the hydraulic oil tank again after impurities are removed, and the next-stage circulation is started. The tandem pump is connected with the main oil pump group through shaft and is started synchronously, so that the oil is forcibly purified on line while the host machine operates, the cleanness of the oil is guaranteed, a power source is not additionally added, the flow of the forcibly filtered oil and the output flow of a host machine hydraulic system are not influenced mutually, the fault rate of the hydraulic system is reduced, and the service life of the equipment is prolonged.
In addition, the technical scheme provided by the application can also have the following additional technical characteristics:
in the technical scheme, the online purifying system for the heading machine oil liquid further comprises a first partition plate and a second partition plate, the first partition plate and the second partition plate are arranged in the hydraulic oil tank at intervals, the hydraulic oil tank and the first partition plate surround a filtering area, the hydraulic oil tank, the first partition plate and the second partition plate surround an oil suction area, and the second partition plate and the hydraulic oil tank surround an oil return area.
In the technical scheme, the online tunneling machine oil purification system further comprises a first partition plate and a second partition plate. Through first baffle and second baffle with the fluid subregion, specifically be filtering area, inhale oil district and oil return district to can the subregion purify fluid, make things convenient for entry driving machine hydraulic system and smart filtration system to inhale oil, return oil and filter.
In the technical scheme, an oil inlet of a hydraulic system of the development machine is connected with an oil absorption area, and an oil outlet of the hydraulic system of the development machine is connected with an oil return area; the oil inlet of the series pump is connected with the oil return area, and the oil outlet of the fine filtering system is connected with the filtering area.
In the technical scheme, an oil inlet of a hydraulic system of the tunneling machine is connected with an oil absorption area, and an oil outlet of the hydraulic system of the tunneling machine is connected with an oil return area. The oil inlet of the series pump is connected with the oil return area, and the oil outlet of the fine filtering system is connected with the filtering area. It can be understood that when the development machine starts the oil pump to normally develop the development work, the main oil pump set is started, the oil is sucked through the oil suction area, after the work cycle is completed, the oil returns to the oil return area through the oil return filter, the tandem pump is synchronously started, the hydraulic oil is sucked through the oil return area, the oil is forcibly input into the fine filtering system to filter the pollutants in the oil, the filtered oil returns to the filtering area and enters the development machine hydraulic system again, and therefore the cleanliness of the oil is guaranteed.
Among the above-mentioned technical scheme, smart filtration system includes: the fine filter is used for filtering oil liquid; and the check valve is connected with the fine filter in parallel, and is opened when the fine filter is blocked.
In the technical scheme, the fine filtering system comprises a fine filter and a one-way valve. The check valves are connected in parallel on two sides of the fine filter, when the filter element of the fine filter blocks to influence the through flow of the oil, the check valves are opened, and the oil can directly return to the filtering area of the hydraulic oil tank.
Among the above-mentioned technical scheme, online clean system of entry driving machine oil liquid still includes: and an oil inlet of the oil return filter is connected with an oil outlet of the hydraulic system of the heading machine, and an oil outlet of the oil return filter is connected with an oil return area.
In the technical scheme, the online tunneling machine oil liquid purification system further comprises an oil return filter. When the development machine starts the oil pump to normally develop the development operation, the main oil pump set is started, oil is sucked through the oil suction area, after the work cycle is completed, the oil returns to the oil return area through the oil return filter, and the oil return filter can carry out preliminary filtration on the oil.
Among the above-mentioned technical scheme, online clean system of entry driving machine oil liquid still includes: and the filter signal transmitter is arranged between the fine filter and the series pump and used for prompting the replacement of the filter element.
In the technical scheme, the online tunneling machine oil purification system further comprises a filter signal transmitter. The filter signal transmitter connected in series with the filtering oil path can send a signal to prompt an operator to replace the filter element when the accumulated pollutants of the filter element meet the replacement requirement.
Among the above-mentioned technical scheme, online clean system of entry driving machine oil liquid still includes: and the magnetic dirt removing device is arranged between the oil outlet of the serial pump and the filtering area.
In the technical scheme, the online tunneling machine oil purification system further comprises a magnetic dirt removing device. The magnetic decontamination device is arranged between the oil outlet and the filtering area of the tandem pump and used for further removing pollutants in oil and ensuring the cleanliness of the oil.
In the above technical solution, the tandem pump includes one of the following: gear pumps, vane pumps and plunger pumps.
In this solution, the tandem pump may be a gear pump, a vane pump or a plunger pump. The gear pump comprises a large-flow low-pressure gear pump.
In the technical scheme, the height of the first partition plate and the height of the second partition plate are lower than that of the hydraulic oil tank.
In the technical scheme, the height of the first partition plate and the height of the second partition plate are lower than that of the hydraulic oil tank, so that oil can circulate in the hydraulic oil tank.
According to a second aspect of the present application, there is provided a heading machine, including: the online tunneling machine oil liquid purification system according to any one of the first aspect of the present application.
The heading machine provided by the technical scheme of the application comprises the online purification system for the heading machine oil liquid according to any one of the technical schemes in the first aspect of the application, so that the online purification system for the heading machine oil liquid according to any one of the technical schemes in the first aspect of the application has all the beneficial effects, and the detailed description is omitted.
Additional aspects and advantages of embodiments in accordance with the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of embodiments in accordance with the present application.
Drawings
FIG. 1 is a schematic diagram of the working principle of an online tunneling machine oil liquid purification system according to one embodiment provided by the application;
fig. 2 is a block diagram schematically illustrating the structure of a heading machine according to an embodiment provided herein.
Wherein, the correspondence between the reference numbers and the component names in fig. 1 and fig. 2 is:
10: an online purifying system for the oil liquid of the tunneling machine; 110: a hydraulic oil tank; 112, a first electrode; a filtration zone; 114: an oil absorption area; 116: an oil return area; 120: a hydraulic system of the development machine; 130: a tandem pump; 140: a fine filter; 150: a first separator; 160: a second separator; 170; a one-way valve: 180: an oil return filter; 190: the filter signal sender: 20: provided is a heading machine.
Detailed Description
In order that the above objects, features and advantages of embodiments according to the present application may be more clearly understood, embodiments according to the present application will be described in further detail below with reference to the accompanying drawings and detailed description. It should be noted that features of embodiments according to the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth to provide a thorough understanding of embodiments according to the present application, however, embodiments according to the present application may be practiced in other ways than those described herein, and therefore the scope of protection afforded by embodiments according to the present application is not limited by the specific embodiments disclosed below.
Some embodiments provided in accordance with the present application are described below with reference to fig. 1 and 2.
As shown in fig. 1, an on-line tunneling machine oil purification system 10 according to an embodiment of the present application includes a hydraulic oil tank 110, a tunneling machine hydraulic system 120, a tandem pump 130, and a fine filtering system. Specifically, the heading machine hydraulic system 120 is connected to the hydraulic oil tank 110 for driving the operation of the heading machine 20, and the heading machine hydraulic system 120 includes a main oil pump group. The tandem pump 130 is connected with the main oil pump set through shaft, and an oil inlet of the tandem pump 130 is connected with the hydraulic oil tank 110. The oil inlet of the fine filtering system is connected with the oil outlet of the tandem pump 130, and the oil outlet of the fine filtering system is connected with the hydraulic oil tank 110.
The heading machine oil online purification system 10 provided by the embodiment comprises a hydraulic oil tank 110, a heading machine hydraulic system 120, a series pump 130 and a fine filtering system. The roadheader hydraulic system 120 is connected to the hydraulic oil tank 110 for driving the roadheader 20 to operate. The hydraulic system 120 of the heading machine comprises a main oil pump group, the tail end of the main oil pump group is connected with a high-flow series pump 130 in series and is connected with a through shaft of the main oil pump group, and the main oil pump group and the motor of the hydraulic system 120 of the heading machine are driven to rotate synchronously. The fine filtering system is arranged between the oil outlet of the series pump 130 and the hydraulic oil tank 110, and can filter out pollutants which are difficult to filter out by a filter of the hydraulic system of the heading machine. It can be understood that, during the normal operation of the heading machine 20, the tandem pump 130 operates synchronously with the main pump group to suck the oil in the hydraulic oil tank 110 and feed the oil into the fine filtering system, the fine filtering system is disposed around the hydraulic oil tank 110, the oil output by the tandem pump 130 passes through the fine filtering system, after impurities are removed, the oil enters the hydraulic oil tank 110 again, and the next stage of circulation is started. The series pump 130 is connected with the main oil pump group through shaft and is started synchronously, so that the oil is forcibly purified on line while the host machine operates, the cleanness of the oil is guaranteed, a power source is not additionally arranged, the flow of the forcibly filtered oil and the output flow of the host machine hydraulic system are not influenced mutually, the fault rate of the hydraulic system is reduced, and the service life of the equipment is prolonged.
The tandem pump 130 may be, for example, a vane pump or a plunger pump. The gear pump comprises a large-flow low-pressure gear pump.
Further, the online tunneler oil purification system 10 further includes a first partition 150 and a second partition 160. The oil is partitioned by the first partition plate 150 and the second partition plate 160, specifically, the filtering area 112, the oil absorption area 114 and the oil return area 116, so that the oil can be purified in a partitioned manner, and the oil absorption, oil return and filtration of a hydraulic system and a fine filtering system of the heading machine are facilitated. Wherein, the oil inlet of the hydraulic system 120 of the heading machine is connected with the oil suction area 114, and the oil outlet of the hydraulic system 120 of the heading machine is connected with the oil return area 116. The oil inlet of the tandem pump 130 is connected to the oil return area 116 and the oil outlet of the fine filtration system is connected to the filtration area 112. It can be understood that when the oil pump of the heading machine 20 is started to perform normal heading operation, the main oil pump set is started to suck oil through the oil suction area 114, after the work cycle is completed, the oil returns to the oil return area 116 through the oil return filter 180, the tandem pump 130 is started synchronously to suck hydraulic oil through the oil return area 116, the oil is forcibly input into the fine filtering system to filter out pollutants in the oil, the filtered oil returns to the filtering area 112 and reenters the hydraulic system of the heading machine, and therefore the cleanliness of the oil is guaranteed.
Further, the first and second partitions 150 and 160 have a height lower than that of the hydraulic oil tank 110, so that oil can circulate in the hydraulic oil tank 110.
In the above embodiment, the fine filtration system includes fine filter 140 and check valve 170. The two sides of the fine filter 140 are connected in parallel with the check valve 170, and when the filter element of the fine filter 140 is blocked to influence the through flow of the oil, the check valve 170 is opened, and the oil can directly return to the filtering area 112 of the hydraulic oil tank 110.
Further, the heading machine oil on-line purification system 10 further includes a filter transmitter 190. The filter transmitter 190, which is connected in series with the filter oil path, can send a signal to prompt the operator to replace the filter element when the accumulated filter element pollutants meet the replacement requirement.
In some embodiments, the online tunneler oil purification system 10 also includes an oil return filter 180. When the heading machine 20 starts the oil pump to perform normal heading operation, the main oil pump set is started to suck oil through the oil suction area 114, after the work cycle is completed, the oil returns to the oil return area 116 through the oil return filter 180, and the oil return filter 180 can perform preliminary filtration on the oil.
In the above embodiment, the heading machine oil online purification system 10 further includes a magnetic dirt removing device. The magnetic decontamination device is arranged between the oil outlet of the tandem pump 130 and the filtering area 112, and is used for further removing pollutants in the oil liquid and ensuring the cleanliness of the oil liquid.
As shown in fig. 2, a heading machine 20 according to an embodiment of the present application includes the heading machine oil on-line purification system 10 according to any one of the embodiments.
According to the embodiment of the present application, the heading machine 20 includes the heading machine oil online purification system 10 according to any one of the embodiments, so that the heading machine oil online purification system has all the advantages of the heading machine oil online purification system 10 according to any one of the embodiments, and details are not described herein.
As shown in fig. 1 and 2, according to the heading machine oil online purification system 10 of an embodiment of the present invention, a large-flow gear pump is connected in series at the end of an existing main oil pump group of the heading machine 20, during a normal operation period of the heading machine 20, the gear pump operates synchronously with the main oil pump group, absorbs oil in the hydraulic oil tank 110, inputs the oil into a fine filtering system, the fine filtering system is disposed around the hydraulic oil tank 110, the oil output by the gear pump passes through the fine filter 140, after impurities are removed, enters the oil tank of the heading machine 20 again, and starts a next-stage circulation. The one-way valve 170 is connected in series with the fine filter 140 bypass, and under the condition that the fine filter 140 is blocked, the one-way valve 170 can be opened by the oil liquid, and the oil liquid directly returns to the oil tank, and meanwhile, the filter transmitter 190 can actively transmit a message under the condition that the filter element is blocked, so that an operator is prompted to replace the filter element and take away pollutants, online oil liquid forced filtration of the heading machine 20 during working is realized, and the oil liquid cleanliness is guaranteed.
Specifically, taking a duplex pump heading machine hydraulic system as an example, a large-flow low-pressure gear pump is connected in series at the tail end of the heading machine hydraulic system 120, and the gear pump is connected with a main oil pump set through a shaft and driven by a main oil pump set motor to rotate synchronously with the main oil pump set. The hydraulic oil tank 110 is provided with a first partition 150 and a second partition 160 to divide the oil into a filtering region 112, an oil suction region 114, and an oil return region 116.
When the oil pump of the heading machine 20 is started to normally perform a heading operation, the main oil pump set is started to suck oil through the oil suction area 114, after a working cycle is completed, the oil returns to the oil return area 116 through the oil return filter 180, the large-flow gear pump is synchronously started to suck hydraulic oil through the oil return area 116, the oil is forcibly input into the fine filter 140 to filter out pollutants in the oil, and the filtered oil returns to the filter area 112 and reenters the hydraulic system of the heading machine. Meanwhile, the two sides of the fine filter 140 are connected with the check valves 170 in parallel, when the filter element of the filter is blocked to influence the through flow of the oil, the check valves 170 are opened, the oil directly returns to the filtering area 112, and the filter signal transmitter 190 connected in series with the filtering oil path can send a signal to prompt an operator to replace the filter element when the accumulated filter element pollutants meet the replacement requirement. Through on-line forced filtration fluid, reduce hydraulic system fault rate, extension equipment life.
The oil pump of the filtering system is not limited to a gear pump, a vane pump and a plunger pump, the precision of the fine filter 140 is optional, and a magnetic dirt removing device can be additionally arranged.
To sum up, the beneficial effect of this application embodiment is:
1. the tandem pump is connected with the main oil pump set through shaft, and no additional power increasing source is needed.
2. During the normal working period of the heading machine, synchronous online purification of oil liquid is realized.
3. The fine filter can be used for filtering pollutants which are difficult to filter by the filter of the hydraulic system of the heading machine.
4. The oil tank is provided with a partition plate for purifying oil in a partition way.
In embodiments according to the present application, the terms "first", "second", "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless expressly limited otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. Specific meanings of the above terms in the embodiments according to the present application can be understood by those of ordinary skill in the art as the case may be.
In the description of the embodiments according to the present application, it should be understood that the terms "upper", "lower", "left", "right", "front", "rear", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, only for convenience of description and simplification of description of the embodiments according to the present application, and do not indicate or imply that the referred devices or units must have a specific direction, be configured and operated in a specific orientation, and thus, cannot be construed as limitations on the embodiments according to the present application.
In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example in accordance with the application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above embodiments are merely preferred embodiments according to the present application, and are not intended to limit the embodiments according to the present application, and those skilled in the art may make various modifications and variations to the embodiments according to the present application. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the embodiments according to the present application shall be included in the protection scope of the embodiments according to the present application.
Claims (10)
1. The utility model provides an online clean system of entry driving machine oil liquid which characterized in that includes:
a hydraulic oil tank (110);
the hydraulic system (120) of the heading machine is connected with the hydraulic oil tank (110) and used for driving the heading machine to operate, and the hydraulic system (120) of the heading machine comprises a main oil pump group;
the series pump (130), the series pump (130) is connected with the main oil pump through shaft, and an oil inlet of the series pump (130) is connected with the hydraulic oil tank (110);
and an oil inlet of the fine filtering system is connected with an oil outlet of the series pump (130), and an oil outlet of the fine filtering system is connected with the hydraulic oil tank (110).
2. The on-line tunneling machine oil liquid purification system according to claim 1,
the online tunneling machine oil liquid purification system further comprises a first partition plate (150) and a second partition plate (160), the first partition plate (150) and the second partition plate (160) are arranged in the hydraulic oil tank (110) at intervals, the hydraulic oil tank (110) and the first partition plate (150) surround a filtering area (112), the hydraulic oil tank (110), the first partition plate (150) and the second partition plate (160) surround an oil suction area (114), and the second partition plate (160) and the hydraulic oil tank (110) surround an oil return area (116).
3. The on-line tunneling machine oil liquid purification system according to claim 2,
an oil inlet of the hydraulic system (120) of the heading machine is connected with the oil suction area (114), and an oil outlet of the hydraulic system (120) of the heading machine is connected with the oil return area (116);
an oil inlet of the series pump (130) is connected with the oil return area (116), and an oil outlet of the fine filtering system is connected with the filtering area (112).
4. The online tunneling machine oil purification system of claim 2, wherein the fine filtration system comprises:
a fine filter (140) for filtering the oil;
and the check valve (170) is arranged in parallel with the fine filter (140), and when the fine filter (140) is blocked, the check valve (170) is opened.
5. The online tunneling machine oil purification system according to claim 3, further comprising:
an oil inlet of the oil return filter (180) is connected with an oil outlet of the hydraulic system (120) of the heading machine, and an oil outlet of the oil return filter (180) is connected with the oil return area (116).
6. The online tunneling machine oil purification system according to claim 4, further comprising:
and the filter signal transmitter (190) is arranged between the fine filter (140) and the series pump (130) and used for prompting the replacement of the filter element.
7. The online tunneling machine oil purification system according to claim 3, further comprising:
and the magnetic dirt removing device is arranged between the oil outlet of the serial pump (130) and the filtering area (112).
8. The on-line purification system for heading machine oil liquid according to any one of claims 1 to 7,
the tandem pump (130) includes one of: gear pumps, vane pumps and plunger pumps.
9. The on-line purification system for heading machine oil liquid according to any one of claims 2 to 7,
the first partition (150) and the second partition (160) have a height lower than that of the hydraulic oil tank (110).
10. A heading machine, comprising:
the online tunneling machine oil liquid purification system according to any one of claims 1 to 9.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210586600.5A CN114876917A (en) | 2022-05-27 | 2022-05-27 | Online oil purifying system of heading machine and heading machine |
| PCT/CN2023/077144 WO2023226482A1 (en) | 2022-05-27 | 2023-02-20 | On-line oil purification system of roadheader and roadheader |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210586600.5A CN114876917A (en) | 2022-05-27 | 2022-05-27 | Online oil purifying system of heading machine and heading machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114876917A true CN114876917A (en) | 2022-08-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210586600.5A Pending CN114876917A (en) | 2022-05-27 | 2022-05-27 | Online oil purifying system of heading machine and heading machine |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN114876917A (en) |
| WO (1) | WO2023226482A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023226482A1 (en) * | 2022-05-27 | 2023-11-30 | 三一重型装备有限公司 | On-line oil purification system of roadheader and roadheader |
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| JPH115238A (en) * | 1997-06-16 | 1999-01-12 | Toshiba Mach Co Ltd | Hydraulic oil cooling circuit for injection molding machine |
| CN202520705U (en) * | 2012-04-26 | 2012-11-07 | 西安煤矿机械有限公司 | Heading machine hydraulic system with cooling and oil supplement functions |
| CN103174704B (en) * | 2013-03-29 | 2016-02-17 | 中联重科股份有限公司渭南分公司 | Hydraulic oil filtration system and hydraulic shovel |
| CN214404147U (en) * | 2020-12-23 | 2021-10-15 | 河南易沃克工业设备有限公司 | Cold cutting hydraulic control system |
| CN114876917A (en) * | 2022-05-27 | 2022-08-09 | 三一重型装备有限公司 | Online oil purifying system of heading machine and heading machine |
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2022
- 2022-05-27 CN CN202210586600.5A patent/CN114876917A/en active Pending
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2023
- 2023-02-20 WO PCT/CN2023/077144 patent/WO2023226482A1/en unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023226482A1 (en) * | 2022-05-27 | 2023-11-30 | 三一重型装备有限公司 | On-line oil purification system of roadheader and roadheader |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2023226482A1 (en) | 2023-11-30 |
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