CN113323948B - Connecting piece, oil liquid detection equipment, operation machine and detection method - Google Patents
Connecting piece, oil liquid detection equipment, operation machine and detection method Download PDFInfo
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- CN113323948B CN113323948B CN202110735757.5A CN202110735757A CN113323948B CN 113323948 B CN113323948 B CN 113323948B CN 202110735757 A CN202110735757 A CN 202110735757A CN 113323948 B CN113323948 B CN 113323948B
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- filter assembly
- bottles
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- 238000001514 detection method Methods 0.000 title claims abstract description 57
- 239000007788 liquid Substances 0.000 title claims abstract description 27
- 238000001802 infusion Methods 0.000 claims abstract description 35
- 238000001914 filtration Methods 0.000 claims abstract description 12
- 238000007789 sealing Methods 0.000 claims description 12
- 238000005086 pumping Methods 0.000 claims description 7
- 239000002245 particle Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 238000007689 inspection Methods 0.000 claims 2
- 238000003780 insertion Methods 0.000 claims 1
- 230000037431 insertion Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 10
- 230000003749 cleanliness Effects 0.000 abstract description 6
- 239000003921 oil Substances 0.000 description 76
- 230000000712 assembly Effects 0.000 description 11
- 238000000429 assembly Methods 0.000 description 11
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 8
- 239000010720 hydraulic oil Substances 0.000 description 6
- 239000012535 impurity Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 239000013618 particulate matter Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000003570 air Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/02—Combinations of filters of different kinds
-
- 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
- F15B19/00—Testing; Calibrating; Fault detection or monitoring; Simulation or modelling of fluid-pressure systems or apparatus not otherwise provided for
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention provides a connecting piece, oil liquid detection equipment, an operation machine and a detection method, wherein the oil liquid detection equipment comprises a containing bottle, a connecting piece, a filtering component and a vacuum device; the accommodating bottle is used for accommodating oil, and is provided with a connecting port; the accommodating bottle is in plug-in fit with the connecting port of the connecting piece; the filter assembly is accommodated in the infusion channel, the filter assembly is covered on the connecting hole, and the limiting part and one accommodating bottle are respectively abutted to two opposite sides of the filter assembly; the vacuum device is detachably connected with at least one connecting port of the accommodating bottle and is used for carrying out vacuumizing operation on the accommodating bottle. In the oil liquid detection device of this embodiment, through setting up the connecting piece in the above-mentioned embodiment, can realize convenient dismouting operation, detection efficiency is improved. By using the detection method of the embodiment, the effect of quickly judging the oil quality can be realized, so that an operator can quickly determine the oil cleanliness of the hydraulic system on the operation site, and the use effect is good.
Description
Technical Field
The invention relates to the technical field of oil detection systems, in particular to a connecting piece, oil detection equipment, an operation machine and a detection method.
Background
The types of contaminants in hydraulic systems include solid particulates, water, air, and chemical contamination, among others, where the solid particulates are the most hazardous. The quality of hydraulic oil in a hydraulic system is generally judged by cleanliness, which refers to the content of solid particulate pollutants in the unit volume of the hydraulic oil, and can be expressed by weighing and/or the number of particles.
The existing working machines generally change hydraulic oil according to the running time in the actual working process, however, the working conditions of each working machine are different, so that the pollution degree and decay situation of the hydraulic oil in a hydraulic system are often different, if the working machines are changed according to the same time, the waste of the hydraulic oil with longer service life is caused, moreover, the detection equipment of the oil liquid is complex to assemble, the detection operation is complex, the hydraulic system cannot be detected on site, and the using effect is poor.
Disclosure of Invention
The invention provides a connecting piece, oil detection equipment, an operation machine and a detection method, wherein the oil detection equipment can be conveniently assembled to conveniently perform on-site detection operation on hydraulic oil, and has a good use effect.
The invention proposes a connector comprising:
the connecting piece body is internally provided with an infusion channel, the infusion channel is provided with at least two connecting ports, the connecting ports are used for being connected with an external accommodating bottle, and the infusion channel is used for accommodating an external filtering component; and
the limiting part is arranged in the infusion channel and is provided with a connecting hole, and the connecting hole is communicated with the connecting port; when the accommodating bottle is connected with the connecting piece body, the filter assembly is positioned between the limiting part and one of the accommodating bottles.
According to one embodiment of the present invention, the limiting portion is disposed around the circumferential direction of the connector body; the cross-sectional area of the connecting hole is not larger than the cross-sectional area of the infusion channel along the axial direction of the connecting hole.
According to one embodiment of the invention, the connector is a flexible connector.
The invention also provides oil liquid detection equipment, which comprises:
at least two containing bottles for containing oil liquid, wherein the containing bottles are provided with connecting ports;
the connector of any one of the above, wherein the accommodating bottle is in plug-in fit with the connecting port;
the filter assembly is accommodated in the infusion channel, the filter assembly is covered on the connecting hole, and the limiting part and one of the accommodating bottles are respectively abutted to two opposite sides of the filter assembly; and
the vacuum device is detachably connected with at least one connecting port of the accommodating bottle and is used for carrying out vacuumizing operation on the accommodating bottle.
According to one embodiment of the invention, the filter assembly comprises a filter layer and a sand core, wherein the filter layer is abutted to one side of the limiting part and is covered on the connecting hole, the sand core is arranged on one side of the filter layer away from the limiting part, and one side of the sand core away from the filter layer is abutted to one of the accommodating bottles.
According to one embodiment of the invention, the vacuum device comprises a vacuum pump and at least two groups of pipeline assemblies, one end of each pipeline assembly is connected to the vacuum pump, and the other end of each group of pipeline assemblies is detachably connected to at least one connecting port; the pipeline assembly comprises a connecting pipeline and a control valve, wherein the connecting pipeline is respectively connected with the vacuum pump and the connecting port, and the control valve is used for controlling the on-off of the connecting pipeline.
According to one embodiment of the invention, the pipeline assembly further comprises a sealing plug, one end of the connecting pipeline, which is far away from the vacuum pump, is inserted into the sealing plug, and the sealing plug is in plug-in fit with the connecting port.
The present invention also provides a work machine comprising:
a host;
the hydraulic system is arranged on the host; and
the oil liquid detection device according to any one of the above claims, wherein the oil liquid detection device is detachably connected to the host machine and is used for detecting oil liquid in the hydraulic system.
The invention also provides a detection method, which adopts the connecting piece according to any one of the above, and comprises the following steps:
assembling at least one group of oil liquid detection equipment: each group of oil liquid detection equipment comprises at least two accommodating bottles, a filtering assembly and a connecting piece, wherein the filtering assembly is respectively abutted between one of the accommodating bottles and the limiting part;
collecting oil liquid: acquiring oil to be detected and inputting the oil into one of the accommodating bottles;
pumping oil: carrying out vacuumizing operation on the other accommodating bottle through a vacuum device so as to enable oil to be detected to flow through the filtering assembly;
judging the oil quality: and judging the particle grade of the oil according to residues on the filter assembly.
According to one embodiment of the present invention, the step of pumping oil further includes:
and vacuumizing the other accommodating bottle through a vacuum device so that the oil to be detected flows through the filtering assembly, wherein the oil collected in the accommodating bottle does not exceed 3/4 of the capacity of the accommodating bottle.
The embodiment of the invention has the following beneficial effects:
in the connecting piece of this embodiment, through setting up spacing portion in infusion passageway, when need carry out fluid and examine time measuring, not only can conveniently combine the connecting piece with holding the bottle, spacing portion can also fix a position filter component simultaneously, and it is convenient to assemble.
In the oil liquid detection device of this embodiment, through setting up the connecting piece in the above-mentioned embodiment, can realize convenient dismouting operation, detection efficiency is improved.
By using the detection method of the embodiment, the effect of quickly judging the oil quality can be realized, so that an operator can quickly determine the oil cleanliness of the hydraulic system on the operation site, and the use effect is good.
Drawings
In order to more clearly illustrate the invention or the technical solutions of the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the invention, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of an oil liquid detection apparatus in an embodiment of the present invention;
FIG. 2 is a schematic view of the connection state of the connector according to the embodiment of the present invention;
FIG. 3 is a schematic view showing a connection state of a connector according to another embodiment of the present invention;
FIG. 4 is a flow chart of a detection method in an embodiment of the invention;
reference numerals:
10. an oil liquid detection device; 100. A connecting piece; 110. An infusion channel;
111. a first connection port; 112. A second connection port; 120. A limit part;
121. a limit part body; 1211. A connection hole; 122. An extension block;
200. a receiving bottle; 210. A connection port; 300. A filter assembly;
310. a filter layer; 320. A sand core; 400. A vacuum device;
410. a vacuum pump; 420. A pipeline assembly; 421. A connecting pipeline;
422. and a control valve.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, an oil detecting apparatus 10 is provided according to an embodiment of the present invention, which includes a connection member 100, a receiving bottle 200, a filter assembly 300, and a vacuum device 400, wherein the filter assembly 300 is installed in the connection member 100, and the connection member 100 is used to connect the receiving bottle 200 and the vacuum device 400 to drive oil to flow through the filter assembly 300 to filter impurities.
Specifically, referring to fig. 2, the connector 100 includes a body and a limiting portion 120, an infusion channel 110 is disposed in the body, and the infusion channel 110 has at least two connection ports for connecting with an external accommodating bottle 200, and the infusion channel 110 is used for accommodating an external filter assembly 300; the limiting part 120 is arranged in the infusion channel 110, the limiting part 120 is provided with a connecting hole 1211, and the connecting hole 1211 is communicated with the connecting port; wherein, when the accommodating bottles 200 are connected with the body, the filter assembly 300 is positioned between the limiting part 120 and one of the accommodating bottles 200.
In the connector 100 of the present embodiment, by setting the limiting portion 120 in the infusion channel 110, when oil is required to be detected, the connector 100 and the accommodating bottle 200 can be conveniently combined, and meanwhile, the filtering assembly 300 can be conveniently positioned by the limiting portion 120, so that the assembly is convenient.
Further, in the present embodiment, the number of the containing bottles 200 is at least two, the containing bottles 200 are used for containing oil, and the containing bottles 200 are provided with connection ports 210; the accommodating bottle 200 is in plug-in fit with the connecting port; the filter assembly 300 is accommodated in the infusion channel 110, the filter assembly 300 is covered on the connecting hole 1211, and the limiting part 120 and one of the accommodating bottles 200 are respectively abutted to two opposite sides of the filter assembly 300; the vacuum device 400 is detachably connected to the connection port 210 of at least one of the receiving bottles 200, and is used for performing a vacuum-pumping operation in the receiving bottle 200.
In the oil detection apparatus 10 of the present embodiment, by providing the connector 100 in the above embodiment, convenient assembling and disassembling operations can be realized, and detection efficiency can be improved.
Specifically, the limiting portion 120 is disposed around the circumferential direction of the body; along the axial direction of the connection hole 1211, the cross-sectional area of the connection hole 1211 is not larger than the cross-sectional area of the infusion channel 110.
Thus, the oil entering the infusion channel 110 from the connection port of the connector 100 can be delivered to other connection ports through the connection hole 1211, so as to achieve the delivery of the oil inside the connector 100.
Referring to fig. 2, in the present embodiment, the limiting portion 120 has an annular structure and is disposed around the inner wall of the infusion channel 110.
In this embodiment, the limiting portion 120 forms a stepped table surface in the infusion channel 110, when the filter assembly 300 is installed in the infusion channel 110, one side of the filter assembly 300 abuts against the limiting portion 120, and then the accommodating bottle 200 is inserted into the infusion channel 110 and abuts against the other side of the filter assembly 300, so that the filter assembly 300 can be positioned and the accommodating bottle 200 and the connecting piece 100 can be connected, the disassembly and the assembly are convenient, and the use effect is good.
Referring to fig. 3, in another embodiment, the limiting portion 120 includes a limiting portion body 121 and an extension block 122, the limiting portion body 121 is annular, the outer wall of the limiting portion body 121 is connected to the inner wall of the infusion channel 110, and the extension block 122 extends from the inner wall of the limiting portion body 121 to a direction away from the limiting portion body 121.
When the oil detecting device 10 of the present embodiment is assembled, the filter assembly 300 may abut against the limiting portion body 121 and/or the extension block 122 and be supported by at least one of the two extension blocks 122, when the extension block 122 is provided with a plurality of extension blocks, a connection gap is formed between every two extension blocks 122 at intervals, and the connection gap is communicated with the connection hole 1211, so that the connector 100 is provided, the limiting portion 120 may have higher strength on the premise that the infusion channel 110 is ensured to be kept unobstructed, and the durability of the connector 100 is improved.
In one embodiment, the connector 100 is a flexible connector 100.
In particular, in this embodiment, the connecting piece 100 is integrally formed, and the connecting piece 100 may be made of a flexible material such as rubber, silicone, etc., and because the connecting piece 100 has a certain flexibility, when the connecting piece 100 is connected to the accommodating bottle 200, sealing between the connecting piece 100 and the accommodating bottle 200 can be achieved under the elastic action.
Specifically, referring to fig. 2 and 3, the filter assembly 300 includes a filter layer 310 and a sand core 320, the filter layer 310 is abutted against one side of the limiting portion 120 and covers the connecting hole 1211, the sand core 320 is disposed on one side of the filter layer 310 away from the limiting portion 120, and one side of the sand core 320 away from the filter layer 310 is abutted against one of the accommodating bottles 200.
Further, referring to fig. 1, the vacuum apparatus 400 includes a vacuum pump 410 and at least two sets of pipe assemblies 420, one end of each pipe assembly 420 is connected to the vacuum pump 410, and the other end of each pipe assembly 420 is detachably connected to at least one connection port 210.
By providing a plurality of sets of pipe assemblies 420 and connecting the vacuum pump 410, the pipe assemblies 420 can be in one-to-one correspondence with the containing bottles 200 when the oil detecting apparatus 10 of the present embodiment is used, so as to realize the function of driving oil to flow between the plurality of containing bottles 200. In some embodiments, the containing bottle 200 may also be provided with a plurality of connection ports 210, and a plurality of sets of pipe assemblies 420 may be connected, and it is understood that by connecting a plurality of sets of pipe assemblies 420 to the containing bottle 200, the pumping efficiency inside the containing bottle 200 may be improved.
Specifically, in the present embodiment, the pipe assembly 420 includes a connection pipe 421 and a control valve 422, the connection pipe 421 is connected to the vacuum pump 410 and the connection port 210, respectively, and the control valve 422 is used for controlling the connection and disconnection of the connection pipe 421.
In this embodiment, the oil detecting apparatus 10 may further be provided with a control module, and the control module is connected to the vacuum pump 410 and the control valve 422 through signals, so as to realize signal control on the vacuum pump 410 and the control valve 422; with this arrangement, the automatic control function of the oil detection apparatus 10 can be realized, thereby improving the detection efficiency of the oil detection apparatus 10 to make the convenience.
In an embodiment, the pipeline assembly 420 further includes a sealing plug, and an end of the connecting pipeline 421 away from the vacuum pump 410 is inserted into the sealing plug, and the sealing plug is in plug-in fit with the connection port 210.
By this arrangement, the connection pipe 421 and the accommodating bottle 200 can be sealed by a sealing plug, and the sealing plug can be made of materials such as rubber, silica gel, etc., which is not limited only herein.
Referring to fig. 1 and 2, in one embodiment, the number of the receiving bottles 200 is two, and the infusion channel 110 is provided with two connection ports, namely, a first connection port 111 and a second connection port 112, respectively, the two receiving bottles 200 are respectively inserted and matched with the first connection port 111 and the second connection port 112, and the vacuum device 400 is provided with two sets of pipeline assemblies 420, and each of the two sets of pipeline assemblies is connected to the connection port 210 of one receiving bottle 200.
In this embodiment, the accommodating bottle 200 abutting against the side of the filter assembly 300 away from the limiting portion 120 is defined as a filter bottle, the accommodating bottle 200 located on the side of the limiting portion 120 away from the filter assembly 300 is defined as an oil receiving bottle, as shown in fig. 1 and 2, the accommodating bottle 200 located on the upper side may be regarded as a filter bottle, and the accommodating bottle 200 located on the lower side may be regarded as an oil receiving bottle.
When the oil detection apparatus 10 of the present embodiment is used, oil is first pumped into a filter flask from an oil tank, and a closing signal is input to a control valve 422 connected to the filter flask to disconnect a connection pipe 421 in the group of pipe assemblies 420, and at the same time, the control valve 422 connected to the oil receiving flask is opened to allow the vacuum pump 410 to communicate with the connection pipe 421 in the group of pipe assemblies 420; when the vacuum pump 410 is started, a negative pressure is formed in the oil receiving bottle, and the oil in the filter bottle is sucked into the oil receiving bottle through the filter assembly 300, so that the impurities in the oil can be filtered through the filter assembly 300, and the oil quality can be determined according to the impurity residues of the filter assembly 300.
The invention also provides a working machine, which comprises a main machine, a hydraulic system and the oil liquid detection device 10 in any embodiment, wherein the main machine comprises, but is not limited to, an excavator, a crane, a pile driver, a road surface machine, a transport vehicle and the like, the hydraulic system is arranged on the main machine and serves as a hydraulic power source in the main machine, and the oil liquid detection device 10 is detachably connected to the main machine and is used for detecting oil liquid in the hydraulic system.
It can be appreciated that in the working machine of this embodiment, by setting the oil liquid detection device, the quick on-site oil liquid quality detection of the working machine can be realized, the detection operation is convenient, and the use effect is good.
Referring to fig. 4, the present invention further provides a detection method, which may employ the connector 100 according to any one of the above embodiments, the detection method includes:
step S100, assembling at least one group of oil liquid detection devices 10: each group of oil detection equipment 10 comprises at least two containing bottles 200, a filter assembly 300 and a connecting piece 100, wherein the filter assembly 300 is respectively abutted between one of the containing bottles 200 and the limiting part 120;
when the oil detecting device 10 of the present embodiment is assembled, the filter assembly 300 is first placed into the infusion channel 110 from one of the connection ports of the connector 100, one side of the filter assembly 300 is abutted against the limiting portion 120, then the accommodating bottle 200 is inserted into the infusion channel 110 from the connection port, and the accommodating bottle 200 is abutted against the filter assembly 300, and after the connector 100 is fixed with the accommodating bottle 200, the filter assembly 300 can be fixed in the infusion channel 110, and as the filter assembly 300 is covered on the limiting portion 120, when oil flows through the limiting portion 120, the filtering function of the filter assembly 300 can be achieved.
Step S200, collecting oil: acquiring oil to be detected and inputting the oil into one of the accommodating bottles 200;
step S300, pumping oil: the other accommodating bottle 200 is vacuumized through the vacuum device 400 so that the oil to be detected flows through the filter assembly 300;
step S400, judging the oil quality: the particulate level of the oil is determined based on the residue on the filter assembly 300.
By using the detection method of the embodiment, the effect of quickly judging the oil quality can be realized, so that an operator can quickly determine the oil cleanliness of the hydraulic system on the operation site, and the use effect is good.
Specifically, after the operator obtains the filter assembly 300 with the residue, the residue on the filter assembly 300 may be primarily determined, for example, visually, by an instrument, etc., according to the NAS level particulate matter comparison table, so as to determine the particulate matter level in the oil, thereby achieving the determination of the oil quality.
Further, step S300 further includes: another containment bottle 200 is evacuated by the vacuum apparatus 400 such that the oil to be tested flows through the filter assembly 300 and the oil collected in the containment bottle 200 does not exceed 3/4 of the capacity of the containment bottle 200.
In this embodiment, the connection port 210 is located on the inner wall of the other 1/4 space communicated with the accommodating bottle 200, so that after the oil enters the 3/4 space in the accommodating bottle 200, the connection port 210 can still be kept in a liquid-free state at the opening of the interior of the accommodating bottle 200, thereby avoiding the damage to the vacuum device 400 caused by the suction of the oil into the vacuum device 400, and ensuring the use safety.
Further, the detection method further comprises the steps of online cleanliness detection:
firstly, the online cleanliness detector is used for detecting the working machine online, and specifically, an average value can be selected by measuring at least three times so as to calculate an NAS class table corresponding to the working machine.
Therefore, the device can prevent the effectiveness of experimental data from being influenced by the existence of sundries in the pipeline or the inside of the online detector by measuring and selecting the average value for a plurality of times.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (8)
1. An oil quality detection apparatus, comprising:
the two accommodating bottles are used for accommodating oil liquid and are provided with connecting ports;
the connecting piece comprises a connecting piece body and a limiting part; the infusion device comprises a connector body, wherein an infusion channel is arranged in the connector body, one end of the infusion channel is provided with a first connecting port, the other end of the infusion channel is provided with a second connecting port, one of the containing bottles is in plug-in fit with the first connecting port, the other containing bottle is in plug-in fit with the second connecting port, and the infusion channel is used for containing an external filter assembly; the limiting part is arranged in the infusion channel, and is provided with a connecting hole which is communicated with the connecting port; when the accommodating bottle is connected with the connecting piece body, the filter assembly is positioned between the limiting part and one of the accommodating bottles, and the filter assembly is used for intercepting residues of oil in the accommodating bottle so as to judge the quality of the oil;
the filter assembly is accommodated in the infusion channel, the filter assembly is covered on the connecting hole, and the limiting part and one of the accommodating bottles are respectively abutted to two opposite sides of the filter assembly; and
the vacuum device comprises a vacuum pump, a first connecting pipeline, a first control valve, a second connecting pipeline and a second control valve, wherein the first connecting pipeline is used for connecting the vacuum pump, the first control valve and one of the connecting ports of the accommodating bottle, the first control valve is used for controlling the on-off of the first connecting pipeline, the second connecting pipeline is used for connecting the vacuum pump, the second control valve and the other connecting port of the accommodating bottle, the second control valve is used for controlling the on-off of the second connecting pipeline, and the vacuum pump is used for carrying out vacuumizing operation on the two accommodating bottles.
2. The oil quality detection device according to claim 1, wherein the filter assembly comprises a filter layer and a sand core, the filter layer is abutted to one side of the limiting portion and covers the connecting hole, the sand core is arranged on one side of the filter layer away from the limiting portion, and one side of the sand core away from the filter layer is abutted to one of the accommodating bottles.
3. The oil quality detection device according to claim 1, further comprising a sealing plug, wherein one end of the first connecting pipeline and one end of the second connecting pipeline, which are far away from the vacuum pump, are inserted into the sealing plug, and the sealing plug is in insertion fit with the connecting port.
4. The oil quality detection apparatus according to claim 1, wherein the limit portion is provided around a circumferential direction of the connector body; the cross-sectional area of the connecting hole is not larger than the cross-sectional area of the infusion channel along the axial direction of the connecting hole.
5. The oil quality inspection apparatus of claim 1 wherein the connector is a flexible connector.
6. A work machine, comprising:
a host;
the hydraulic system is arranged on the host; and
an oil quality inspection apparatus as set forth in any one of claims 1-5 detachably connected to said main machine and adapted to inspect oil in said hydraulic system.
7. A detection method, characterized in that an oil quality detection apparatus according to any one of claims 1 to 5 is employed, comprising:
assembling at least one group of oil liquid detection equipment: each group of oil liquid detection equipment comprises at least two accommodating bottles, a filtering assembly and a connecting piece, wherein the filtering assembly is respectively abutted between one of the accommodating bottles and the limiting part;
collecting oil liquid: acquiring oil to be detected and inputting the oil into one of the accommodating bottles;
pumping oil: carrying out vacuumizing operation on the other accommodating bottle through a vacuum device so as to enable oil to be detected to flow through the filtering assembly;
judging the oil quality: and judging the particle grade of the oil according to residues on the filter assembly.
8. The method of detecting according to claim 7, wherein the step of pumping oil further comprises:
and vacuumizing the other accommodating bottle through a vacuum device so that the oil to be detected flows through the filtering assembly, wherein the oil collected in the accommodating bottle does not exceed 3/4 of the capacity of the accommodating bottle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110735757.5A CN113323948B (en) | 2021-06-30 | 2021-06-30 | Connecting piece, oil liquid detection equipment, operation machine and detection method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110735757.5A CN113323948B (en) | 2021-06-30 | 2021-06-30 | Connecting piece, oil liquid detection equipment, operation machine and detection method |
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| Publication Number | Publication Date |
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| CN113323948A CN113323948A (en) | 2021-08-31 |
| CN113323948B true CN113323948B (en) | 2024-04-12 |
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