CN110953223A - Oil suction pipeline assembly, hydraulic oil tank and excavator - Google Patents
Oil suction pipeline assembly, hydraulic oil tank and excavator Download PDFInfo
- Publication number
- CN110953223A CN110953223A CN201911422805.4A CN201911422805A CN110953223A CN 110953223 A CN110953223 A CN 110953223A CN 201911422805 A CN201911422805 A CN 201911422805A CN 110953223 A CN110953223 A CN 110953223A
- Authority
- CN
- China
- Prior art keywords
- oil
- hydraulic
- oil suction
- suction pipeline
- tank
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- 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
-
- 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
- F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
- F15B1/26—Supply reservoir or sump assemblies
-
- 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
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/08—Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor
-
- 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
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
-
- 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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/24—Preventing accumulation of dirt or other matter in the pipes, e.g. by traps, by strainers
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
Abstract
The invention provides an oil suction pipeline assembly, a hydraulic oil tank and an excavator, and relates to the technical field of hydraulic oil tank assemblies, wherein the oil suction pipeline assembly comprises an oil suction filter core, an oil outlet flange, an oil suction pipeline and a magnet; one end of the oil suction pipeline is connected with an oil outlet at the bottom of the hydraulic oil tank through an oil outlet flange, the oil suction filter element is arranged at the oil outlet inside the hydraulic oil tank, and the magnet is arranged on the inner wall of the oil suction pipeline and used for adsorbing iron particles in hydraulic oil passing through the oil suction pipeline. When the oil suction pipeline is used, iron particles in the hydraulic oil passing through the oil suction pipeline are adsorbed by the magnet arranged on the oil suction pipeline, and are prevented from entering a hydraulic system through the hydraulic pump, so that abrasion of a moving element is aggravated.
Description
Technical Field
The invention relates to the technical field of hydraulic oil tank assemblies, in particular to an oil suction pipeline assembly, a hydraulic oil tank and an excavator.
Background
The hydraulic system of the excavator has high requirement on the cleanliness of hydraulic oil, and according to incomplete statistics, more than 70% of hydraulic system faults are caused by poor cleanliness.
Current hydraulic tank is by the oil tank body, the oil absorption filter core, the flange of producing oil and the steel pipe of producing oil are constituteed, hydraulic tank is through the flange of producing oil and the steel pipe intercommunication of producing oil of its bottom, the oil absorption filter core sets up the oil-out in hydraulic tank inside, be arranged in filtering the impurity in the hydraulic oil to hydraulic tank in, however, the filter fineness of oil absorption filter core is generally all lower, iron granule can get into hydraulic system through the hydraulic pump a bit, thereby aggravate the wearing and tearing of motion component, reduce the life of motion component.
Disclosure of Invention
The invention aims to provide an oil suction pipeline assembly, a hydraulic oil tank and an excavator, and aims to solve the technical problems that the filtering precision of an oil suction filter core in the conventional hydraulic oil tank is generally low, and iron particles enter a hydraulic system through a hydraulic pump, so that the abrasion of a moving element is aggravated, and the service life of the moving element is shortened.
The oil suction pipeline assembly provided by the invention comprises an oil suction filter element, an oil outlet flange, an oil suction pipeline and a magnet;
one end of the oil suction pipeline is connected with an oil outlet at the bottom of the hydraulic oil tank through the oil outlet flange, and the oil suction filter element is arranged at the oil outlet in the hydraulic oil tank;
the magnet is arranged on the inner wall of the oil suction pipeline and used for adsorbing iron particles in the hydraulic oil passing through the oil suction pipeline.
Further, the oil suction pipeline comprises an oil suction pipe body and a flange part, and one end of the oil suction pipe body is connected with the flange part; the other end is used for being connected with a hydraulic pump;
one side of the flange portion facing the hydraulic oil tank is provided with a groove, and the magnet is arranged in the groove.
Further, the groove is an annular groove, and the magnet is an annular magnet corresponding to the annular groove.
Furthermore, the oil suction pipeline assembly comprises a stop valve, and the stop valve is arranged between the oil suction pipeline and the oil outlet flange and used for opening and closing an oil outlet of the hydraulic oil tank.
Further, the stop valve comprises a valve body, a valve core and a handle, the valve core is arranged in the valve body, and the valve core is connected with the handle through a rotating shaft;
and a locking mechanism is arranged between the handle and the valve body and used for locking the handle when the stop valve is opened.
Further, the locking mechanism comprises a locking screw, a first screw hole formed in the valve body and a second screw hole formed in the handle;
the second screw hole corresponds to the first screw hole, and the locking screw is installed in the second screw hole and used for screwing the locking screw with the first screw hole when the stop valve is opened so as to lock the rotation of the handle.
Furthermore, a first sealing structure is arranged at the joint of the stop valve and the oil outlet flange.
Furthermore, a second sealing structure is arranged at the joint of the stop valve and the flange part.
The hydraulic oil tank provided by the invention comprises a hydraulic pump, a tank body and the oil suction pipeline assembly.
The excavator provided by the invention comprises the hydraulic oil tank.
The oil suction pipeline assembly provided by the invention comprises an oil suction filter element, an oil outlet flange, an oil suction pipeline and a magnet; one end of the oil suction pipeline is connected with an oil outlet at the bottom of the hydraulic oil tank through the oil outlet flange, the oil suction filter element is arranged at the oil outlet in the hydraulic oil tank, the magnet is arranged on the inner wall of the oil suction pipeline and used for adsorbing iron particles in hydraulic oil passing through the oil suction pipeline, and when the oil suction pipeline is used, the iron particles in the hydraulic oil passing through the oil suction pipeline are adsorbed by the magnet arranged on the inner wall of the oil suction pipeline, so that the iron particles are prevented from entering a hydraulic system through a hydraulic pump, and the abrasion of a moving element is intensified.
The hydraulic oil tank provided by the invention comprises a hydraulic pump, a tank body and the oil suction pipeline assembly. The hydraulic oil tank comprises the oil suction pipeline assembly, so that the hydraulic oil tank also has the advantages of the oil suction pipeline assembly.
The excavator provided by the invention comprises the hydraulic oil tank, so that the excavator also has the advantages of the hydraulic oil tank.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a structural view of an oil suction pipe assembly according to an embodiment of the present invention;
fig. 2 is an exploded view of an oil suction pipe assembly according to an embodiment of the present invention;
fig. 3 is a structural view of a suction pipe of the suction pipe assembly according to an embodiment of the present invention;
fig. 4 is a structural view of a stop valve of an oil suction pipe assembly according to an embodiment of the present invention;
FIG. 5 is an exploded view of a hydraulic tank according to an embodiment of the present invention;
fig. 6 is a sectional view of a hydraulic oil tank according to an embodiment of the present invention.
Icon: 100-an oil suction line; 101-flange portion through hole; 102-flange portion screw; 110-a flange portion; 111-grooves; 112-a second annular groove; 120-an oil suction pipe body; 200-a magnet; 300-a stop valve; 301-valve body screw hole; 302-valve body through hole; 303-valve body screw; 304-a first annular groove; 310-a valve body; 320-a valve core; 330-a rotating shaft; 340-a handle; 350-locking screws; 360-nut; 400-an oil outlet flange; 401-oil outlet flange screw hole; 500-a first seal; 600-a second seal; 700-oil absorption filter element; 800-box body; 900-oil return filter element.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, 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.
As shown in fig. 1 to 4, the oil suction pipeline assembly provided by the present invention includes an oil suction filter core 700, an oil outlet flange 400, an oil suction pipeline 100 and a magnet 200; one end of the oil suction pipeline 100 is connected with an oil outlet at the bottom of the hydraulic oil tank through the oil outlet flange 400, and the oil suction filter core 700 is arranged at the oil outlet inside the hydraulic oil tank; the magnet 200 is disposed on an inner wall of the oil suction pipeline 100, and is used for adsorbing iron particles in the hydraulic oil passing through the oil suction pipeline 100.
When the oil suction pipeline 100 is used, the hydraulic pump sucks hydraulic oil in the hydraulic oil tank through the oil suction pipeline 100 and conveys the hydraulic oil to a hydraulic system, iron particles in the hydraulic oil passing through the oil suction pipeline 100 are adsorbed by the magnet 200 arranged on the inner wall of the oil suction pipeline 100, and the iron particles are prevented from entering the hydraulic system through the hydraulic pump, so that the abrasion of a moving element is aggravated.
Preferably, the magnets 200 are arranged on the circumferential direction of the inner wall of the oil suction pipeline 100, so that iron particles in the hydraulic oil can be more comprehensively adsorbed.
Further, the suction pipe line 100 includes a suction pipe body 120 and a flange portion 110, and one end of the suction pipe body 120 is connected to the flange portion 110; the other end is used for being connected with a hydraulic pump.
The flange 110 has a groove 111 on a side facing the hydraulic oil tank, and the magnet 200 is disposed in the groove 111.
Specifically, the oil suction pipeline 100 comprises an oil suction pipe body 120 and a flange part 110 which are connected with each other, a groove 111 is formed in one side, facing the hydraulic oil tank, of the flange part 110, a magnet 200 can be installed in the groove 111, and iron particles in hydraulic oil passing through the flange part 110 are adsorbed by the magnet 200 and prevented from entering a hydraulic system to damage the hydraulic system.
Preferably, the groove 111 is an annular groove, and the magnet 200 is an annular magnet 200 corresponding to the annular groove.
Specifically, an annular groove is provided on an end surface of the flange portion 110, and the magnet 200 is an annular magnet 200 corresponding to the annular groove and can be mounted in the annular groove.
In this embodiment, the annular groove is communicated with the inner cavity of the flange portion 110, so that iron particles in the hydraulic oil flowing through the flange portion 110 can be directly adsorbed. During the use, after the adsorbed iron granule of magnet 200 reached certain degree, can take out magnet 200 from this ring channel, get rid of the back with iron granule and then pack in the ring channel, can continue to use, conveniently clear away the adsorbed iron granule on magnet 200.
It should be noted that the annular groove may not be communicated with the inner cavity of the flange portion 110, and the size of the magnet 200 is smaller than that of the annular groove, so that the magnet 200 may be installed in the annular groove.
In addition, the number of the grooves 111 may be multiple, and the grooves are all arranged on the end face of the flange portion 110 facing the hydraulic oil tank, the number of the magnets 200 is also multiple, the number of the magnets 200 corresponds to the number of the grooves 111 one by one, and the size of the magnets 200 is required to be enough to be installed in the grooves 111.
Further, the oil suction pipeline assembly comprises a stop valve 300, and the stop valve 300 is arranged between the oil suction pipeline 100 and the oil outlet flange 400 and is used for opening and closing an oil outlet of the hydraulic oil tank.
Specifically, one end of the stop valve 300 is connected to the flange portion 110 of the oil suction pipeline 100, and the other end is connected to the oil outlet flange 400 of the tank 800, so that the oil outlet can be opened and closed as required.
When the existing hydraulic oil tank is maintained, particularly when elements such as a hydraulic pump, an oil suction pipeline 100 and the like are maintained and replaced, all hydraulic oil in the tank body 800 needs to be discharged, so that secondary pollution of the hydraulic oil is caused, and the operation intensity and time of maintenance personnel are increased due to oil discharge and filling.
According to the oil suction pipeline assembly provided by the invention, the stop valve 300 is arranged between the oil suction pipeline 100 and the oil outlet flange 400, when elements such as the oil suction pipeline 100 and a hydraulic pump are maintained and replaced, only the stop valve 300 needs to be closed, hydraulic oil in the box body 800 does not need to be discharged, the maintenance convenience is improved, and secondary pollution of the hydraulic oil can be prevented.
Further, the stop valve 300 includes a valve body 310, a valve core 320 and a handle 340, the valve core 320 is disposed in the valve body 310, the valve core 320 is connected to the handle 340 through a rotating shaft 330, and the handle 340 is rotated to drive the valve core 320 to rotate, so as to open and close the stop valve 300.
Be provided with valve body through-hole 302 on the valve body 310 of stop valve 300, valve body through-hole 302 is kept away from the one end of producing oil flange 400 is provided with heavy platform, is provided with the flange screw hole 401 that produces oil on the flange 400 that produces oil, and valve body screw 303 passes behind valve body through-hole 302 and is connected with the flange screw hole 401 that produces oil on the flange 400 that produces oil to make valve body 310 be connected with the flange 400 that produces oil. The valve body screw 303 can be a socket head cap screw, and when the valve body 310 is connected to the oil outlet flange 400, the screw head of the valve body screw 303 is installed in the sunken platform of the valve body through hole 302, which is designed to avoid the connection between the flange 110 of the oil suction pipeline 100 and the valve body 310.
The flange portion 110 of the oil suction pipeline 100 is provided with a flange portion through hole 101, the end surface of the valve body 310 facing the flange portion 110 is provided with a valve body screw hole 301 corresponding to the flange portion through hole 101, and the flange portion screw 102 penetrates through the flange portion through hole 101 and then is connected with the valve body screw hole 301, so that the flange portion 110 is connected with the valve body 310.
The valve body through holes 302 and the valve body screw holes 301 are arranged alternately.
A locking mechanism is arranged between the handle 340 and the valve body 310 and is used for locking the handle 340 when the stop valve 300 is opened.
Specifically, according to the oil suction pipeline assembly provided by the invention, the locking mechanism is arranged between the handle 340 and the valve body 310 of the stop valve 300, so that when the stop valve 300 is in an open state, the rotation of the handle 340 can be locked, and the phenomenon that oil cannot be supplied to a hydraulic system due to misoperation of workers is prevented.
Normally, the extending direction of the handle 340 is parallel to the flowing direction of the hydraulic oil in the valve body 310, the stop valve 300 is in an open state, the hydraulic oil in the tank body 800 can enter the hydraulic system through the oil suction pipeline 100, the handle 340 is rotated 90 degrees, the extending direction of the handle 340 is perpendicular to the flowing direction of the hydraulic oil in the valve body 310, the handle 340 drives the valve core 320 to rotate, the stop valve 300 is closed, and the stop valve can be used for maintaining the hydraulic pump and the oil suction pipeline 100 at this time, without discharging all the hydraulic oil in the tank body 800, thereby reducing the operation intensity of maintenance personnel and saving the maintenance time.
Preferably, the locking mechanism includes a locking screw 350, a first screw hole provided on the valve body 310, and a second screw hole provided on the handle 340.
The second screw hole corresponds to the first screw hole, and the locking screw 350 is installed in the second screw hole, so that when the stop valve 300 is opened, the locking screw 350 is screwed with the first screw hole, and the rotation of the handle 340 is locked.
When the stop valve 300 needs to be opened, a worker can rotate the handle 340 by 90 degrees by hand to switch the stop valve 300 from a closed state to an open state, at this time, the second screw hole on the handle 340 is aligned with the first screw hole on the valve body 310, and the locking screw 350 is screwed into the first screw hole by rotating the locking screw 350 arranged in the second screw hole, so that the handle 340 cannot rotate relative to the valve body 310, thereby locking the position of the handle 340 and preventing misoperation of the worker.
Preferably, the locking screw 350 is provided with a nut 360, and when the locking screw 350 is screwed into the first screw hole, the nut 360 is rotated to abut against one side of the handle 340 away from the valve body 310, so as to further lock and prevent the locking screw 350 from loosening.
Further, a first sealing structure is arranged at the joint of the stop valve 300 and the oil outlet flange 400.
Specifically, one end of the stop valve 300 facing the oil outlet flange 400 is provided with a first annular groove 304, and a first sealing member 500 is arranged in the first annular groove 304, so as to seal the stop valve 300 and the oil outlet flange 400 and prevent hydraulic oil from leaking from a gap between the stop valve 300 and the oil outlet flange 400.
Further, a second sealing structure is disposed at the joint of the stop valve 300 and the flange 110.
Specifically, one end of the flange portion 110 of the oil suction line 100 facing the stop valve 300 is provided with a second annular groove 112, and a second sealing member 600 is disposed in the second annular groove 112 for sealing between the stop valve 300 and the flange portion 110 and preventing hydraulic oil from leaking from a gap between the stop valve 300 and the flange portion 110.
In this embodiment, the first seal 500 and the second seal 600 are O-ring rubber seals.
As shown in fig. 5 and 6, the hydraulic oil tank provided by the invention includes a hydraulic pump, an oil return filter element 900, a tank body 800 and the oil suction pipeline assembly. The tank body 800 is connected with one end of the oil suction pipeline assembly through the oil outlet flange 400 arranged at the oil outlet thereof, the other end of the oil suction pipeline assembly is connected with the hydraulic pump, the hydraulic pump sends hydraulic oil into a hydraulic system of corresponding equipment, and the hydraulic oil tank also has the advantages of the oil suction pipeline assembly because the hydraulic oil tank comprises the oil suction pipeline assembly.
The excavator provided by the invention comprises the hydraulic oil tank, so that the excavator also has the advantages of the hydraulic oil tank.
In summary, the oil suction pipeline assembly provided by the present invention includes an oil suction filter core 700, an oil outlet flange 400, an oil suction pipeline 100 and a magnet 200; one end of the oil suction pipeline 100 is connected with an oil outlet at the bottom of the hydraulic oil tank through the oil outlet flange 400, and the oil suction filter core 700 is arranged at the oil outlet inside the hydraulic oil tank; the magnet 200 is arranged on the inner wall of the oil suction pipeline 100 and used for adsorbing iron particles in hydraulic oil passing through the oil suction pipeline 100, when the oil suction pipeline 100 is used, a hydraulic pump sucks out the hydraulic oil in a hydraulic oil tank through the oil suction pipeline 100 and conveys the hydraulic oil to a hydraulic system, and the magnet 200 arranged on the oil suction pipeline 100 adsorbs the iron particles in the hydraulic oil passing through the oil suction pipeline 100, so that the iron particles are prevented from entering the hydraulic system through the hydraulic pump, and the abrasion among moving elements is intensified.
The hydraulic oil tank provided by the invention comprises a hydraulic pump, a tank body 800 and the oil suction pipeline assembly. The oil return filter core 900 is arranged at an oil return port, the box body 800 is connected with one end of the oil suction pipeline assembly through the oil outlet flange 400 arranged at the oil outlet of the box body, the other end of the oil suction pipeline assembly is connected with the hydraulic pump, the hydraulic pump sends hydraulic oil into a hydraulic system of corresponding equipment, and the hydraulic oil tank also has the advantages of the oil suction pipeline assembly because the hydraulic oil tank contains the oil suction pipeline assembly.
The oil suction pipeline assembly, the hydraulic oil tank and the excavator provided by the invention have the following advantages:
1. the magnet 200 is arranged on the inner wall of the oil suction pipeline 100, and can adsorb iron particles in hydraulic oil, so that the cleanliness of the hydraulic system is improved, the service life of a hydraulic component is prolonged, and the reliability of the hydraulic system is improved.
2. The stop valve 300 is arranged between the oil suction pipeline 100 and the oil outlet flange 400, when elements such as a hydraulic pump, the oil suction pipeline 100 and the like are maintained and replaced, the stop valve 300 is closed, hydraulic oil in the hydraulic oil tank does not need to be discharged, maintenance convenience is improved, and secondary pollution of the hydraulic oil is prevented.
3. A locking mechanism is arranged between the handle 340 and the valve body 310 of the stop valve 300, and is used for locking the position of the handle 340 when the stop valve 300 is in an open state, so that misoperation in the working process of the system can be prevented.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. An oil suction pipeline assembly is characterized by comprising an oil suction filter element (700), an oil outlet flange (400), an oil suction pipeline (100) and a magnet (200);
one end of the oil suction pipeline (100) is connected with an oil outlet at the bottom of the hydraulic oil tank through the oil outlet flange (400), and the oil suction filter element (700) is arranged at the oil outlet inside the hydraulic oil tank;
the magnet (200) is arranged on the inner wall of the oil suction pipeline (100) and is used for adsorbing iron particles in hydraulic oil passing through the oil suction pipeline (100).
2. The suction line assembly according to claim 1, wherein the suction line (100) comprises a suction tube body (120) and a flange portion (110), one end of the suction tube body (120) being connected to the flange portion (110); the other end is used for being connected with a hydraulic pump;
one side of the flange part (110) facing the hydraulic oil tank is provided with a groove (111), and the magnet (200) is arranged in the groove (111).
3. The oil suction line assembly according to claim 2, wherein the recess (111) is an annular groove and the magnet (200) is an annular magnet corresponding to the annular groove.
4. The oil suction line assembly according to claim 2, characterized in that it comprises a shut-off valve (300), said shut-off valve (300) being arranged between said oil suction line (100) and said oil outlet flange (400) for the opening and closing of a hydraulic tank oil outlet.
5. The oil suction line assembly according to claim 4, wherein the shut-off valve (300) comprises a valve body (310), a valve core (320) and a handle (340), the valve core (320) is arranged in the valve body (310), and the valve core (320) is connected with the handle (340) through a rotating shaft (330);
and a locking mechanism is arranged between the handle (340) and the valve body (310) and is used for locking the handle (340) when the stop valve (300) is opened.
6. The suction pipe assembly according to claim 5, wherein said locking means comprises a locking screw (350), a first threaded hole provided on said valve body (310), and a second threaded hole provided on said handle (340);
the second screw hole corresponds to the first screw hole, and the locking screw (350) is installed in the second screw hole and used for screwing the locking screw (350) with the first screw hole when the stop valve (300) is opened, so that the handle (340) is locked in rotation.
7. The oil suction pipe assembly according to claim 4, wherein a first sealing structure is provided at the junction of the shut-off valve (300) and the oil outlet flange (400).
8. The oil suction line assembly according to claim 7, characterized in that a second sealing structure is provided at the junction of the shut-off valve (300) and the flange portion (110).
9. A hydraulic tank, characterized in that it comprises a hydraulic pump, a tank (800) and an oil suction line assembly according to any one of claims 1 to 8.
10. An excavator comprising the hydraulic oil tank of claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911422805.4A CN110953223A (en) | 2019-12-31 | 2019-12-31 | Oil suction pipeline assembly, hydraulic oil tank and excavator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911422805.4A CN110953223A (en) | 2019-12-31 | 2019-12-31 | Oil suction pipeline assembly, hydraulic oil tank and excavator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110953223A true CN110953223A (en) | 2020-04-03 |
Family
ID=69985577
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911422805.4A Pending CN110953223A (en) | 2019-12-31 | 2019-12-31 | Oil suction pipeline assembly, hydraulic oil tank and excavator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110953223A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114060275A (en) * | 2021-11-26 | 2022-02-18 | 江西智奇压缩机有限公司 | Single-stage screw air compressor with damping mechanism on base |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201433947Y (en) * | 2009-04-14 | 2010-03-31 | 房县星源工贸有限责任公司 | Hydraulic oil tank |
| 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 |
| CN103089720A (en) * | 2011-11-02 | 2013-05-08 | 南通新凤祥液压铸造有限公司 | Hydraulic oil tank |
| CN203374534U (en) * | 2013-06-08 | 2014-01-01 | 徐工集团工程机械股份有限公司 | Hydraulic oil tank device and hydraulic system |
| KR101528627B1 (en) * | 2013-08-05 | 2015-06-29 | 장복상 | Oil tank for oil pressure unit |
| CN104895875A (en) * | 2015-06-12 | 2015-09-09 | 江苏奎泽机械工业有限公司 | Hydraulic oil tank for road roller |
| CN207034290U (en) * | 2017-07-21 | 2018-02-23 | 浙江远安流体设备有限公司 | A kind of non-return self-locking stop valve |
| CN108105172A (en) * | 2017-12-21 | 2018-06-01 | 柳工常州机械有限公司 | Hydraulic oil container oil-returning filtering device |
| CN208185086U (en) * | 2018-05-04 | 2018-12-04 | 湖北大运汽车有限公司 | A kind of dumper hydraulic oil container that band is magnetic-type |
| CN208457260U (en) * | 2018-05-22 | 2019-02-01 | 鸿大智能机械有限公司 | Hard sealing cone shut-off valve |
| CN208595102U (en) * | 2018-08-28 | 2019-03-12 | 潍坊市华玉塑料机械有限公司 | Automatically cleaning hydraulic oil container |
| CN209587324U (en) * | 2019-01-29 | 2019-11-05 | 重庆市荣昌区群建阀门有限责任公司 | Valve before a kind of anti-theft double blocking type table |
-
2019
- 2019-12-31 CN CN201911422805.4A patent/CN110953223A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201433947Y (en) * | 2009-04-14 | 2010-03-31 | 房县星源工贸有限责任公司 | Hydraulic oil tank |
| 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 |
| CN103089720A (en) * | 2011-11-02 | 2013-05-08 | 南通新凤祥液压铸造有限公司 | Hydraulic oil tank |
| CN203374534U (en) * | 2013-06-08 | 2014-01-01 | 徐工集团工程机械股份有限公司 | Hydraulic oil tank device and hydraulic system |
| KR101528627B1 (en) * | 2013-08-05 | 2015-06-29 | 장복상 | Oil tank for oil pressure unit |
| CN104895875A (en) * | 2015-06-12 | 2015-09-09 | 江苏奎泽机械工业有限公司 | Hydraulic oil tank for road roller |
| CN207034290U (en) * | 2017-07-21 | 2018-02-23 | 浙江远安流体设备有限公司 | A kind of non-return self-locking stop valve |
| CN108105172A (en) * | 2017-12-21 | 2018-06-01 | 柳工常州机械有限公司 | Hydraulic oil container oil-returning filtering device |
| CN208185086U (en) * | 2018-05-04 | 2018-12-04 | 湖北大运汽车有限公司 | A kind of dumper hydraulic oil container that band is magnetic-type |
| CN208457260U (en) * | 2018-05-22 | 2019-02-01 | 鸿大智能机械有限公司 | Hard sealing cone shut-off valve |
| CN208595102U (en) * | 2018-08-28 | 2019-03-12 | 潍坊市华玉塑料机械有限公司 | Automatically cleaning hydraulic oil container |
| CN209587324U (en) * | 2019-01-29 | 2019-11-05 | 重庆市荣昌区群建阀门有限责任公司 | Valve before a kind of anti-theft double blocking type table |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114060275A (en) * | 2021-11-26 | 2022-02-18 | 江西智奇压缩机有限公司 | Single-stage screw air compressor with damping mechanism on base |
| CN114060275B (en) * | 2021-11-26 | 2024-02-02 | 江西智奇压缩机有限公司 | Single-stage screw air compressor with base provided with damping mechanism |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2023552939A (en) | Stop valve and air conditioning system with it | |
| CN110953223A (en) | Oil suction pipeline assembly, hydraulic oil tank and excavator | |
| CN203892305U (en) | Damping plug and hydraulic element with same | |
| CN116857426A (en) | Gate valve with dual non-return function | |
| CN111720569A (en) | Flat gate valve | |
| CN106051192B (en) | A kind of anti-settling sand flat gate valve | |
| CN209587267U (en) | A kind of ready-package valve | |
| CN110206910B (en) | Horizontal shaft top-mounted pipe cleaning valve | |
| CN104500812B (en) | Low-power consumption electrically operated valve | |
| CN103055461A (en) | Low-torque linkage double-open fire hydrant | |
| CN216519708U (en) | Lifting rod dust-proof ball valve | |
| CN209814255U (en) | Pressure filling valve of liquid cooling system | |
| CN111042983B (en) | A direction flow distribution assembly and hydraulic motor for hydraulic motor | |
| CN210751611U (en) | Filter pipeline for hydraulic engineering | |
| CN207673883U (en) | Any opening degree dark bar soft sealing gate valve with pressure for replacing sealing ring | |
| CN209688191U (en) | Mechanical water cut-off self-closing damper valve | |
| CN220824528U (en) | Ball valve filter capable of preventing solid powder from being blocked | |
| CN201146420Y (en) | Submersible motor protector | |
| CN201954031U (en) | High-pressure check valve | |
| CN219570999U (en) | Pressure relief valve | |
| CN214273652U (en) | Minor diameter slurry balance shield constructs cutter head swivel joint | |
| CN216447525U (en) | Valve sleeve type blow-down valve for natural gas conveying pipeline filter | |
| CN209398859U (en) | A kind of antibiotic stop valve | |
| CN211550554U (en) | High-pressure stop valve | |
| CN212004388U (en) | Bidirectional pressure hard seal butterfly valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200403 |