Background
The filter of the oil return pipeline is arranged at the oil return pipeline of the hydraulic system and is used for filtering metal powder, rubber impurities and the like worn by components in oil so as to keep the oil flowing back into the oil tank clean, and the filter element of the filter adopts chemical fiber filtering materials, so that the filter has the advantages of high filtering precision, large oil passing capacity, small original pressure loss, large dirt receiving capacity and the like, is widely applied to hydraulic systems of heavy machinery, mining machinery, metallurgical machinery and the like, and is used for hydraulic oil pipes, and because of the long-term use of circulating hydraulic oil, a lot of impurities exist in the hydraulic oil and need to be filtered;
CN217271179U discloses a multistage circulating filtration module for an oil return pipe of a hydraulic station, which comprises a housing, wherein a filter element is arranged in the housing, an arc filter plate is arranged in the filter element, mounting plates are fixedly arranged at the two ends of the longitudinal axis of the arc filter plate, the mounting plates are fixedly arranged at the inner top of the housing, one of the side walls of the mounting plates is provided with a chute, a cleaning mechanism is connected to the arc filter plate, and the cleaning mechanism is arranged on the mounting plates, and the like;
Although this design can be convenient for clear up the impurity that fluid filtered out, prevents that arc filter from causing the condition of jam, but this design can only clear up the filter surface when in-service use, very easily makes the filter appear blockking up after carrying out long-time filtration to hydraulic oil, causes to filter hydraulic oil speed slower, influences the use of equipment, and above-mentioned design can not change the filter, influences the play oil volume of hydraulic oil.
In order to solve the problems, the application provides a hydraulic grab oil return pipe filtering device.
Disclosure of utility model
To solve the problems set forth in the background art. The utility model provides a hydraulic grab oil return pipe filtering device which has the characteristics of being convenient to clean, more convenient to replace a filtering mechanism, ensuring the filtering efficiency of hydraulic oil and improving the oil outlet rate.
The hydraulic grab oil return pipe filtering device comprises an oil return pipe, a filtering pipe arranged at one end of the oil return pipe, an oil outlet pipe arranged at one end of the filtering pipe far away from the oil return pipe, and a filtering assembly arranged in the filtering pipe;
The filter assembly comprises a fixed pipe arranged in the filter pipe, an oil inlet pipe arranged at one end of the fixed pipe and a second filter sleeve arranged on the surface of the fixed pipe, wherein the second filter sleeve is sleeved on the outer surface of the oil inlet pipe, a first filter sleeve is arranged outside the second filter sleeve, and the first filter sleeve is arranged on the surface of the fixed pipe.
As the hydraulic grab oil return pipe filtering device, the first filtering sleeve is made of metal fiber filter core materials, and the second filtering sleeve is made of a plurality of filtering film materials.
As the hydraulic grab oil return pipe filtering device, the utility model is preferable, and the surface of the oil inlet pipe is provided with a plurality of oil seepage holes which are arranged in an equidistant manner.
As the preferable filtering device of the oil return pipe of the hydraulic grab bucket, one end of the oil outlet pipe is provided with the screw block, the inner wall surface of the filtering pipe is provided with the screw groove, the screw block is screwed in the filtering pipe through the screw groove, and the fixing pipe is screwed in the threaded hole formed in the surface of the screw block.
The hydraulic grab oil return pipe filtering device comprises a disassembly component, wherein the disassembly component is arranged at one end of an oil return pipe and comprises a flange piece a arranged at one end of the oil return pipe, a flange piece b arranged at one end of the filter pipe and four hydraulic cylinders arranged on one side surface of the flange piece a, fixing rods are arranged at the extending ends of the hydraulic cylinders, and the fixing rods penetrate through the flange piece b and are in threaded connection with nuts arranged at one side of the flange piece b.
As a preferable mode of the hydraulic grab oil return pipe filtering device, sealing gaskets are arranged on the surfaces of one side, close to each other, of the flange piece a and the flange piece b.
Compared with the prior art, the utility model has the beneficial effects that:
The device is provided with the filtering component, the fixed pipe is arranged in the filtering pipe during use, the oil inlet pipe is arranged on the surface of the fixed pipe, hydraulic oil is discharged into the filtering pipe through the oil return pipe, the impurities in the hydraulic oil are subjected to multi-layer filtering through the second filtering sleeve and the first filtering sleeve which are respectively sleeved on the surface of the oil inlet pipe, the impurities and pollutants in the oil return can be effectively filtered, the components and the oil quality of the hydraulic system are protected, the service life of grab bucket equipment is prolonged, the fault and maintenance cost are reduced, the mechanical equipment has more sufficient and stable hydraulic power, the component is matched and disassembled, the flange piece a and the flange piece b are respectively arranged at one ends of the oil return pipe and the filtering pipe during use, the flange piece b is inserted into one end of the fixed rod through the nut after the fixed rod is inserted into the jack formed in the surface of the flange piece b, the flange piece b is attached to the surface of the flange piece a through starting the hydraulic cylinder, the filter pipe is installed and disassembled conveniently, and the inside the filtering pipe is cleaned, and the use effect is good.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic diagram of a filter assembly according to the present utility model;
FIG. 3 is a schematic view of the internal structure of a first filter sleeve according to the present utility model;
FIG. 4 is a schematic view of a disassembly assembly according to the present utility model;
In the figure, 1, an oil return pipe, 11, a filter pipe, 12, an oil outlet pipe;
2. A filter assembly; 21, screw blocks, 22, screw grooves, 23, a fixed pipe, 24, an oil inlet pipe, 25, a second filter sleeve, 26 and a first filter sleeve;
3. The assembly disassembly device comprises a disassembly assembly, 31, flange pieces a, 32, flange pieces b, 33, a hydraulic cylinder, 34, a fixing rod, 35 and a nut.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
As shown in fig. 1-4;
The hydraulic grab oil return pipe filtering device comprises an oil return pipe 1, a filtering pipe 11 arranged at one end of the oil return pipe 1, and an oil outlet pipe 12 arranged at one end, far away from the oil return pipe 1, of the filtering pipe 11.
In this embodiment: the utility model discloses a multistage circulation filtration module for hydraulic pressure station returns oil pipe through checking the disclosure (bulletin) number CN217271179U, the technology discloses "a multistage circulation filtration module for hydraulic pressure station returns oil pipe, which comprises an outer shell, shell internally mounted has the filter core, be provided with arc filter in the filter core, arc filter longitudinal direction both ends all fixed mounting have the mounting panel, the mounting panel is all fixed mounting at the inside top of casing, the spout has been seted up on one of them mounting panel lateral wall, be connected with clearance mechanism on the arc filter, clearance mechanism installs technical matter such as on the mounting panel, and this kind of multistage circulation filtration module for hydraulic pressure station returns oil pipe, can prevent impurity in the fluid and drop to the filter core through the clearance mechanism that sets up, and the impurity that the clearance oil that is convenient for clear up filters out prevents that the condition that arc filter from causing the jam from taking place, though this design can be convenient for clear up the impurity that the fluid filtered, but this design can only clear up the filter surface when actual use, the filter is difficult to make the jam after carrying out the filtration of long-time to appear, cause filtering hydraulic oil to filter the speed to be slow, influence the use of equipment, and the design is difficult to detach the filter, and the filter assembly is difficult to realize the problem that the application is realized, the application is compared with the realization, the problem is solved, the application is 3, and is more difficult to realize, and is to realize the improvement and is compared with the problem that the filter assembly is more obvious, and has been solved.
Further, the method comprises the following steps:
as shown in fig. 1, 2, 3 and 4;
In combination with the above, the filter assembly 2 is arranged in the filter pipe 11, the filter assembly 2 comprises a fixed pipe 23 arranged in the filter pipe 11, an oil inlet pipe 24 arranged at one end of the fixed pipe 23 and a second filter sleeve 25 arranged on the surface of the fixed pipe 23, the second filter sleeve 25 is sleeved on the outer surface of the oil inlet pipe 24, a first filter sleeve 26 is arranged outside the second filter sleeve 25, and the first filter sleeve 26 is arranged on the surface of the fixed pipe 23.
In the embodiment, through setting up the filter component 2, during the use through setting up fixed pipe 23 in the inside of filter tube 11 to at fixed pipe 23's surface mounting advance oil pipe 24, hydraulic oil is arranged in the filter tube 11 through back oil pipe 1, through respectively overlapping at advance oil pipe 24 surface and establish second filter sleeve 25 and first filter sleeve 26 and carry out the multilayer filtration to the impurity in the hydraulic oil, impurity and pollutant in the oil return can effectively be filtered, the component and the fluid quality of protection hydraulic system increase grab bucket equipment's life, reduce trouble and cost of maintenance, make mechanical equipment have more sufficient stable hydraulic power.
It should be noted that the surface of the oil inlet pipe 24 is provided with a plurality of oil seepage holes which are arranged in an equidistant manner.
In an alternative embodiment, the first filter sleeve 26 is made of a metal fiber filter element material, and the second filter sleeve 25 is made of a plurality of filter membrane materials.
In this embodiment, the first filter sleeve 26 is made of a metal fiber filter core material, has high strength, high adhesiveness and high temperature resistance, can filter tiny particles, is suitable for a high-pressure and high-temperature hydraulic system, and the second filter sleeve 25 is made of a plurality of filter membrane materials, has high-precision filtering performance, can filter tiny particles and microorganisms, is suitable for filtering liquid with high cleanliness, and has good purifying and filtering effects.
In an alternative embodiment, a screw block 21 is installed at one end of the oil outlet pipe 12, a thread groove 22 is formed on the inner wall surface of the filter pipe 11, the screw block 21 is screwed into the filter pipe 11 through the thread groove 22, and a fixing pipe 23 is screwed into a threaded hole formed on the surface of the screw block 21.
In the embodiment, the screw block 21 is arranged at one end of the oil outlet pipe 12, the screw groove 22 is formed in the inner wall surface of the filter pipe 11, the oil outlet pipe 12 and the filter pipe 11 are combined, the disassembly is realized, impurities filtered in the filter pipe 11 are conveniently cleaned, the use is more convenient, and the replacement of the second filter sleeve 25 and the first filter sleeve 26 is more convenient.
Still further, the method comprises:
as shown in fig. 1 and 4;
In combination with the above, the disassembling assembly 3 is further arranged at one end of the oil return pipe 1, the disassembling assembly 3 comprises a flange piece a31 arranged at one end of the oil return pipe 1, a flange piece b32 arranged at one end of the filter pipe 11 and four hydraulic cylinders 33 arranged on one side surface of the flange piece a31, the extending ends of the hydraulic cylinders 33 are respectively provided with a fixing rod 34, and the fixing rods 34 penetrate through the flange piece b32 and are in threaded connection with nuts 35 arranged on one side of the flange piece b 32.
In the embodiment, the flange piece a31 and the flange piece b32 are respectively arranged at one ends of the oil return pipe 1 and the filter pipe 11 when the filter pipe is used in cooperation with the disassembly component 3, the fixing rod 34 is inserted into the insertion hole formed in the surface of the flange piece b32, then the fixing rod is rotated at one end of the fixing rod 34 through the nut 35, the flange piece b32 is attached to the surface of the flange piece a31 through the starting hydraulic cylinder 33, the filter pipe 11 is assembled and disassembled, the inside of the filter pipe 11 is cleaned conveniently, and the use effect is good.
In an alternative embodiment, the flange a31 and the flange b32 are each provided with a sealing gasket on a side surface thereof which is close to each other.
In the embodiment, the sealing gaskets are arranged on the surfaces of the flange piece a31 and the flange piece b32, so that hydraulic oil can be effectively prevented from leaking, and the sealing effect is good.
The working principle and the using flow of the utility model are as follows: through setting up filter assembly 2, when in use, through setting up fixed pipe 23 in the inside of filter tube 11, and at fixed pipe 23's surface mounting advance oil pipe 24, hydraulic oil is arranged into filter tube 11 through back oil pipe 1, through the impurity in advance oil pipe 24 surface respectively the cover establish second filter sleeve 25 and first filter sleeve 26 carries out multilayer filtration, impurity and pollutant in the oil return can be effectively filtered, protection hydraulic system's component and fluid quality, increase grab bucket equipment's life, reduce trouble and cost of maintenance, make mechanical equipment have more sufficient stable hydraulic power, first filter sleeve 26 adopts the metal fiber filter core material to make, have high strength, high adhesion nature and high temperature resistance can, can filter tiny particle, be applicable to high pressure, high temperature hydraulic system, second filter sleeve 25 then adopts multiple filtration membrane material to constitute, have high accuracy's filtration performance, can filter tiny particle and microorganism, be applicable to the liquid filtration of high purity, purifying filter effect is good, through installing screw block 21 at one end of filter tube 12 and having seted up screw thread groove 22 at filter tube 11's inner wall surface, with delivery tube 12 and filter tube 11, it is more sufficient stable hydraulic power to dismantle at 31 a flange 32 a to realize at the filter flange of filter tube 11 and the filter plate 31, the flange is realized through the flange of the inside flange of 31 a pair of filter tube 11, and the flange 32 a is more convenient for replacement is realized to the filter plate 32 a, and the flange is realized through the flange 32 a is realized to the filter plate is more in the flange 32 a, and is convenient for the flange 32 a is equipped with one end of filter plate 32 a, and is more convenient to be replaced after the filter plate is mounted to the filter plate 31, and is equipped with one end 32 a flange 32 a is equipped with a flange 32, realize installing and dismantling filter tube 11, conveniently clear up filter tube 11 inside, excellent in use effect to all set up sealing gasket through flange piece a31 and flange piece b32 surface and can effectually prevent that hydraulic oil from revealing, sealed effectual.
It should be noted that the above-mentioned embodiments are merely preferred embodiments of the present utility model, and the present utility model is not limited thereto, but may be modified or substituted for some of the technical features thereof by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.