CN115163700A - Noise reduction type oil-gas separation device for hydraulic retarder - Google Patents
Noise reduction type oil-gas separation device for hydraulic retarder Download PDFInfo
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- CN115163700A CN115163700A CN202210622391.5A CN202210622391A CN115163700A CN 115163700 A CN115163700 A CN 115163700A CN 202210622391 A CN202210622391 A CN 202210622391A CN 115163700 A CN115163700 A CN 115163700A
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- 238000000926 separation method Methods 0.000 title claims abstract description 129
- 239000000428 dust Substances 0.000 claims abstract description 50
- 238000007667 floating Methods 0.000 claims abstract description 38
- 238000005192 partition Methods 0.000 claims description 23
- 230000000903 blocking effect Effects 0.000 claims description 16
- 239000002184 metal Substances 0.000 claims description 16
- 238000007789 sealing Methods 0.000 claims description 14
- 239000011148 porous material Substances 0.000 claims description 4
- 238000010304 firing Methods 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 239000007788 liquid Substances 0.000 abstract description 17
- 239000012530 fluid Substances 0.000 abstract description 3
- 230000001788 irregular Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 7
- 239000003595 mist Substances 0.000 description 4
- 230000002035 prolonged effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000011089 mechanical engineering Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D57/00—Liquid-resistance brakes; Brakes using the internal friction of fluids or fluid-like media, e.g. powders
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Abstract
The invention provides a noise reduction type oil-gas separation device for a hydraulic retarder, which comprises a shell, an oil-gas separation assembly and a dust cover assembly, wherein the oil-gas separation assembly comprises an oil-gas separation lower cover, a floating ball, an oil-gas separation body and an oil-gas separation plate; set up many passageways that communicate each other and irregular arrangement in the oil-gas separation board, the dust cover assembly is including dust cover and baffle, the baffle sets up in the dust cover, form back oil chamber between baffle and the scavenge groove, form the chamber of advancing to exhaust between baffle and the dust cover, advance to exhaust on the chamber wall and be equipped with into the gas breach, the air vent with advance to exhaust chamber and back oil chamber intercommunication, advance to exhaust hole and advance to exhaust the chamber intercommunication on the dust cover, separable atomizing oil gas, liquid fluid and air by this to reduce the gas circulation noise.
Description
Technical Field
The invention belongs to the field of mechanical engineering parts, and particularly relates to a noise reduction type oil-gas separation device for a hydraulic retarder.
Background
The hydraulic retarder is an auxiliary braking device, when the hydraulic retarder is closed, a working cavity formed by a stator and a rotor is filled with air, when the hydraulic retarder works, oil in an oil tank is pressed into the working cavity formed by the stator and the rotor through compressed air, gas in the working cavity of the stator and the rotor can be rapidly discharged, and the working cavity formed by the stator and the rotor is filled with the oil; the temperature of the oil liquid participating in the work after the hydraulic retarder works is high, and particularly when the hydraulic retarder is turned off or is turned on rapidly after being turned off, the high temperature of the oil liquid can easily generate fog-like oil gas. Traditional hydraulic retarber causes fluid outflow when deciding, rotor working chamber exhaust very easily, and along with long-time the use, oil gas runs off gradually moreover, and long-term accumulation can lead to the interior working fluid of hydraulic retarber to lack, influences hydraulic retarber brake performance, has reduced driving safety nature. In addition, when oil and gas are discharged, the air flow noise is caused by the air flow passing through the pores of the oil and gas separation device, so the improvement of the oil and gas separation device is needed.
Disclosure of Invention
The invention aims to overcome the technical defects and provide the noise reduction type oil-gas separation device for the hydraulic retarder, which has a simple structure and can effectively solve the problems of separation of liquid oil and air and separation of oil and air of mist oil gas when the rotor working cavity exhausts, so that the oil can be recycled in an anti-pollution manner.
The technical scheme adopted by the invention for solving the technical problem is as follows: the noise reduction type oil-gas separation device for the hydraulic retarder comprises a shell, an oil-gas separation assembly and a dust cover assembly, wherein the oil-gas separation assembly is arranged in the shell, the dust cover is arranged above the shell, the oil-gas separation assembly comprises an oil-gas separation lower cover, a floating ball, an oil-gas separation body and an oil-gas separation plate, the oil-gas separation lower cover at the lower end of the oil-gas separation body is pressed, an oil blocking cavity positioned below the oil-gas separation body and an oil-gas separation cavity positioned above the oil-gas separation body are arranged in the oil-gas separation body, and the oil blocking cavity is communicated with the oil-gas separation cavity through a limiting hole; the oil-gas separation lower cover comprises a floating ball cavity with an upward opening, the floating ball is placed in the floating ball cavity, and the oil blocking cavity is covered outside the floating ball cavity; the oil-gas separation plate is arranged in the oil-gas separation cavity, and the upper end of the oil-gas separation body is also provided with an oil return groove; a plurality of channels which are communicated with each other and are arranged irregularly are arranged in the oil-gas separation plate; the dust cover assembly comprises a dust cover and a partition plate, the partition plate is arranged in the dust cover, an air vent is arranged at the center of the partition plate, a plurality of air inlet and outlet holes are formed in the outer circumference of the dust cover, a plurality of partition plate supports are extended below the partition plate and erected above the oil-gas separation body, an oil return cavity is formed between the partition plate and the oil return groove, an air inlet and outlet cavity is formed above the partition plate, an air inlet and outlet cavity is formed between the partition plate and the dust cover, an air inlet and outlet notch is formed in the air inlet and outlet cavity wall, the air vent is communicated with the air inlet and outlet cavity and the oil return cavity, and the air inlet and outlet holes in the dust cover are communicated with the air inlet and outlet cavity.
Furthermore, the oil-gas separation plate is formed by stacking and firing a plurality of metal spheres, and a plurality of channels which are communicated with each other and are arranged irregularly are formed among the metal spheres.
Furthermore, the diameter of the metal sphere particles is between 0.3mm and 1mm, and the pores between the metal spheres are between 30 μm and 90 μm.
Furthermore, an annular groove is formed in the outer edge of the lower end of the oil-gas separation body, an O-shaped ring I is installed in the annular groove, and the O-shaped ring I is used for sealing the oil-gas separation body and the inner cavity of the shell.
Furthermore, the periphery of the oil-gas separation lower cover extends outwards to form a supporting boss, and the lower end of the oil-gas separation body is pressed on the supporting boss.
Furthermore, a plurality of oil passing notches are formed in the wall of the floating ball cavity.
Furthermore, a positioning block is arranged on the partition plate and corresponds to a positioning bayonet of the dust cover, so that the air inlet and outlet holes and the air inlet and outlet gaps are staggered.
Furthermore, one side of the limiting hole, which is adjacent to the oil-blocking cavity, is provided with a first sealing gasket.
Furthermore, one side of the limiting hole adjacent to the oil-gas separation cavity is provided with a second O-shaped ring.
Furthermore, the dust cover assembly is fixedly connected with the shell through a connecting piece, the dust cover is provided with a connecting hole, a hole sleeve is arranged in the connecting hole, and the connecting piece is inserted in the hole sleeve.
Furthermore, the inner wall of the floating ball cavity is provided with a plurality of floating ball guide ribs for limiting the floating ball to move only in the vertical direction.
The invention has the beneficial effects that: the noise-reduction oil-gas separation device for the hydraulic retarder is simple in structure, oil leakage loss can be prevented when the working cavities of the stator and the rotor are exhausted, air is thoroughly exhausted, the braking performance of the hydraulic retarder is continuously stable, vaporific oil gas generated by high-temperature oil and liquid oil and air are effectively separated, the oil is effectively recycled, noise generated when the oil is lost and exhausted is reduced, the recovered oil is prevented from being polluted, the service life of the oil of the hydraulic retarder is prolonged, the service life of equipment is prolonged, and parts do not need to be replaced periodically.
Drawings
FIG. 1 is an exploded view of the most part of the noise-reducing oil-gas separator for a hydraulic retarder according to the present invention.
FIG. 2 is a sectional view showing the structure of a noise-reducing oil-gas separating device for a hydraulic retarder according to the present invention.
FIG. 3 is an exploded view of the noise-reducing oil-gas separation device for a hydraulic retarder according to the present invention.
FIG. 4 is a schematic view of the oil-gas separation lower cover and the floating ball in the present invention.
FIG. 5 is an exploded view of the dust cap assembly of the present invention.
FIG. 6 is an exploded perspective view of the dust boot assembly of the present invention.
Reference numerals
1. Outer cover
2. Oil-gas separation assembly
2-1 oil-gas separation lower cover
2-2O-shaped ring I
2-3 floating ball
2-4 oil-gas separating body
2-5 oil-blocking cavity
2-6 oil-gas separation cavity
2-7 sealing gasket 1
2-8O-shaped ring II
2-9 oil-gas separation plate
2-10 elastic retainer ring
2-11 oil return groove
2-12 limiting holes
2-13 floating ball cavity
2-14 ring grooves
2-15 oil passing gap
2-16 support boss
2-17 floating ball guide rib
3. Dust cover assembly
3-1 dust cover
3-2 baffle
3-3 air vent
3-4 oil return cavity
3-5 air inlet and outlet holes
3-6 air intake and exhaust cavity
3-7 clapboard support
3-8 sealing gasket 2
3-9 air inlet and outlet chamber walls
3-10 air inlet and outlet gaps
3-11 locating block
3-12 positioning bayonet
3-13 connecting hole
4. Connecting piece
4-1 hole sleeve
Detailed Description
It is to be understood that the specific embodiments described herein are merely illustrative of the relevant application and are not limiting of the application. The described embodiments are only some embodiments of the present application and not all embodiments. 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 application.
It should be noted that, for the convenience of description, only the parts related to the related applications are shown in the drawings. The embodiments and features of the embodiments in the present application may be combined with each other without conflict.
As used in this application and in the claims, the terms "a," "an," "the," and/or "the" are not intended to be inclusive and include the singular, unless the context clearly dictates otherwise. In general, the terms "comprises" and "comprising" are intended to cover only the explicitly identified steps or elements as not constituting an exclusive list and that the method or apparatus may comprise further steps or elements. An element defined by the phrase "comprising one of \ 8230: \ 8230:" does not exclude the presence of additional identical elements in the process, method, article, or apparatus comprising the element.
In the description of the embodiments herein, "/" means "or" unless otherwise specified, for example, a/B may mean a or B; "and/or" herein is merely an association relationship describing an associated object, and means that there may be three relationships, for example, a and/or B, and may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, in the description of the embodiments of the present application, "a plurality" means two or more than two.
In the following, the terms "first", "second" are used for descriptive purposes only and are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.
Referring to fig. 1, the noise reduction type oil-gas separation device for a hydraulic retarder of the present invention includes a housing 1, an oil-gas separation assembly 2 and a dust cover assembly 3, wherein the oil-gas separation assembly 2 is disposed in the housing 1, the dust cover assembly 3 is disposed above the housing 1, and the dust cover assembly 3 is fixedly connected to the housing 1 through a connecting member 4.
Referring to fig. 2 and 3, the oil-gas separation assembly 2 includes an oil-gas separation lower cover 2-1, a floating ball 2-3, an oil-gas separation body 2-4 and an oil-gas separation plate 2-9, the oil-gas separation lower cover 2-1 at the lower end of the oil-gas separation body 2-4 is pressed, an oil blocking cavity 2-5 located below the oil-gas separation body 2-4 and an oil-gas separation cavity 2-6 located above the oil-gas separation body 2-4 are contained in the oil-gas separation body 2-4, the oil blocking cavity 2-5 is communicated with the oil-gas separation cavity 2-6 through a limiting hole 2-12, a first sealing pad 2-7 is arranged at one side of the limiting hole 2-12 adjacent to the oil blocking cavity 2-5, and an O-shaped ring 2-8 is arranged at one side of the limiting hole 2-12 adjacent to the oil-gas separation cavity 2-6. The outer edge of the lower end of the oil-gas separation body 2-4 is provided with an annular groove 2-14, an O-shaped ring 2-2 is arranged in the annular groove 2-14, and the O-shaped ring 2-2 is used for sealing the oil-gas separation body 2-4 and the inner cavity of the shell 1. And the inner edge of the upper end of the oil-gas separation cavity 2-6 is provided with a circlip 2-10, and the circlip 2-10 is used for limiting the oil-gas separation plate 2-9.
The oil-gas separation plate 2-9 is arranged in the oil-gas separation cavity 2-6, and the upper end of the oil-gas separation body 2-4 is also provided with an oil return groove 2-11; a plurality of channels which are communicated with each other and are irregularly arranged are arranged in the oil-gas separation plate 2-9, furthermore, the oil-gas separation plate 2-9 is formed by stacking and burning a plurality of metal spheres, a plurality of channels which are communicated with each other and are irregularly arranged are formed among the metal spheres, the particle diameter of the metal spheres is 0.3mm-1mm, and the pores among the metal spheres are 30 μm-90 μm, so that when oil-containing gas passes through, the airflow noise is reduced through the irregular channels, and the noise reduction effect is achieved.
Referring to fig. 3, an oil-gas separation lower cover 2-1 comprises a floating ball cavity 2-13 with an upward opening, a floating ball 2-3 is placed in the floating ball cavity 2-13, and an oil blocking cavity 2-5 is covered outside the floating ball cavity 2-13; the wall of the floating ball cavity 2-13 is provided with a plurality of oil passing gaps 2-15, the periphery of the lower end of the oil-gas separation lower cover 2-1 extends outwards to form a supporting boss 2-16, and the lower end of the oil-gas separation body 2-4 is pressed on the supporting boss 2-16. In addition, a plurality of floating ball guide ribs 2-17 are arranged on the inner wall of the floating ball cavity 2-13, the inner surface of the floating ball guide rib 2-17 contacted with the floating ball 2-3 is a plane, and the floating ball 2-3 is limited to move only in the vertical direction by the floating ball guide ribs 2-17.
Referring to fig. 2, 4 and 5, the dust cover assembly 3 comprises a dust cover 3-1 and a partition plate 3-2, the partition plate 3-2 is arranged in the dust cover 3-1, a vent hole 3-3 is arranged in the center of the partition plate 3-2, a plurality of air inlet and outlet holes 3-5 are arranged on the outer circumference of the dust cover 3-1, a sealing gasket II 3-8 is arranged on the outer edge of the lower end of the dust cover 3-1, the dust cover 3-1 is sealed with the shell 1 through the sealing gasket II 3-8, a plurality of partition plate supports 3-7 extend below the partition plate 3-2, the partition plate supports 3-7 are erected above the oil-gas separation body 2-4, an oil return cavity 3-4 is formed between the partition plate 3-2 and the oil return groove 2-11, an air inlet and outlet cavity wall 3-9 is arranged above the partition plate 3-2, an air inlet and outlet cavity 3-6 is formed between the partition plate 3-2 and the dust cover 3-1, an air inlet and outlet cavity wall 3-9 is provided with an air inlet and outlet gap 3-10, the vent hole 3-3 is communicated with the air outlet cavity 3-6 and the oil return cavity 3-4, and the air inlet and the dust cover 3-5 on the dust cover 3-1. The partition plate 3-2 is provided with a positioning block 3-11, the positioning block 3-11 corresponds to a positioning bayonet 3-12 of the dust cover 3-1, so that the air inlet and outlet hole 3-5 and the air inlet and outlet gap 3-10 are staggered, external air impurities cannot directly enter the oil-gas separation device and can play a role in blocking, the dust cover assembly 3 is fixedly connected with the shell 1 through the connecting piece 4, the dust cover 3-1 is provided with a connecting hole 3-13, a hole sleeve 4-1 is arranged in the connecting hole 3-13, and the connecting piece 4 is inserted into the hole sleeve 4-1, and the dust cover 3-1 is usually made of plastic materials, so that the situation that the connecting hole 3-13 is crushed by the metal connecting piece 4 can be generated in the process that the dust cover 3-1 is fixed with the shell 1 through the metal connecting piece 4, and the locking force of the connecting piece 4 in the fixing process can be dispersed by arranging the hole sleeve 4-1 in the connecting hole 3-13, and the damage of the connecting hole 3-13 can be avoided.
The working principle of the noise reduction type oil-gas separation device for the hydraulic retarder is as follows: when the hydraulic retarder is in a closed state, the inside of a working cavity formed by a stator and a rotor in a hydraulic retarder shell 1 is free of oil liquid and is full of air, when the hydraulic retarder works, oil in an oil tank is hydraulically fed into the stator and rotor working cavities through compressed air until the oil liquid is full of the stator and rotor working cavities, gas in the working cavities is discharged through an oil-gas separator 2-4, the gas is accompanied by the oil liquid in the gas discharging process, an O-shaped ring I2-2 is arranged in an annular groove in the outer circumference of the lower end of the oil-gas separator 2-4 and used for sealing with the shell 1, and the gas in the stator and rotor working cavities firstly passes through an oil blocking cavity 2-5, the oil-gas separation plate 2-9 in the oil-gas separation cavity 2-6 enters the oil return cavity 3-4 and then enters the air inlet and exhaust cavity 3-6, and finally is exhausted to the atmosphere through the air inlet and exhaust hole 3-5, the impact force when the gas is intensively exhausted is reduced after the exhausted gas passes through the oil-gas separation plate 2-9, the noise during the exhaust is greatly reduced, a small amount of oil carried by the gas enters the oil-gas separation cavity 2-6 through the oil blocking cavity 2-5, the oil-gas separation plate 2-9 is separated from the air and recycled, and after the air is exhausted, the liquid oil passes through the seal between the floating oil 2-3 and the seal gasket I2-7, so that the separation of the liquid oil and the air is formed; when the hydraulic retarder is closed after operation, oil in the working cavities of the stator and the rotor can be completely returned to the oil tank and filled with air, after the hydraulic retarder works, certain mist oil gas can be generated due to high temperature of the oil, in the process that the oil returns to the oil tank, the mist oil gas enters the oil-gas separation cavity 2-6 after passing through the oil blocking cavity 2-5, in the oil-gas separation cavity 2-6, as the oil-gas separation plate 2-9 and the oil-gas separation body 2-4 are sealed through the O-shaped ring two 2-8, the mist oil gas can completely pass through the oil-gas separation plate 2-9, as the oil-gas separation plate 2-9 is formed by stacking and firing metal balls, the staggered metal balls form a plurality of staggered and communicated gas paths, the discharged gas is concentrated to collide in the gas paths in a staggered manner, and the cooling time is prolonged, in the oil return cavity 3-4, the oil liquid cooled by the oil-gas separation body 2-4 is collected, the collected oil liquid flows back to the working cavity through the oil return groove 2-11 and the oil-gas separation body 2-4, when the oil liquid reaches the oil blocking cavity 2-5, because the floating ball 2-3 is a hollow sphere, the floating ball 2-3 is upwards propped against a sealing gasket 2-7 arranged in the oil-gas separation body 2-4 due to the buoyancy of the oil liquid, the oil liquid is ensured to be sealed in the oil tank, meanwhile, the outside air enters the air inlet and exhaust cavity 3-6 through the air inlet and exhaust hole 3-5 of the dust cover 3-1, the air inlet and exhaust cavity 3-6 plays a role in stabilizing the inlet gas, the outside air and dirt are isolated and then enter the oil return cavity 3-4 through the vent holes 3-3 on the partition plate 3-2, and then are filtered through the oil-gas separation plate 2-9, the oil liquid in the hydraulic retarder is protected from being polluted, and air and the oil liquid can enter the working cavities of the stator and the rotor through the oil-gas separation assembly 2 to participate in the work again.
The invention has the beneficial effects that: the noise reduction type oil-gas separation device for the hydraulic retarder has a simple structure, can prevent oil from leaking and losing when the working cavities of the stator and the rotor are exhausted, ensures the oil quantity in the working cavities of the stator and the rotor of the hydraulic retarder, ensures the braking performance of the hydraulic retarder to be continuous and stable, effectively separates out fog oil gas generated by high-temperature oil, cools the oil and recycles the oil, reduces the noise generated when the oil is lost and exhausted, ensures that the recycled oil is not polluted, prolongs the service life of the oil of the hydraulic retarder, prolongs the service life of equipment, and does not need to replace parts regularly.
The above are only preferred embodiments of the present invention, and are not intended to limit the scope of the present invention; while the foregoing description will be understood and appreciated by those skilled in the art, it is intended to cover in the appended claims all such modifications and changes as fall within the true spirit of the invention.
Claims (10)
1. A noise reduction type oil-gas separation device for a hydraulic retarder includes: shell (1), oil-gas separation assembly (2) and dust cover assembly (3), oil-gas separation assembly (2) set up in shell (1), dust cover assembly (3) set up in shell (1) top, its characterized in that:
the oil-gas separation assembly (2) comprises an oil-gas separation lower cover (2-1), a floating ball (2-3), an oil-gas separation body (2-4) and an oil-gas separation plate (2-9), the lower end of the oil-gas separation body (2-4) is pressed on the oil-gas separation lower cover (2-1), an oil blocking cavity (2-5) located below the oil-gas separation body (2-4) and an oil-gas separation cavity (2-6) located above the oil-gas separation body (2-4) are contained in the oil-gas separation body (2-4), and the oil blocking cavity (2-5) is communicated with the oil-gas separation cavity (2-6) through a limiting hole (2-12);
the oil-gas separation lower cover (2-1) comprises a floating ball cavity (2-13) with an upward opening, the floating ball (2-3) is placed in the floating ball cavity (2-13), and the oil blocking cavity (2-5) is covered outside the floating ball cavity (2-13);
the oil-gas separation plate (2-9) is arranged in the oil-gas separation cavity (2-6), and the upper end of the oil-gas separation body (2-4) is also provided with an oil return groove (2-11); a plurality of channels which are communicated with each other and are arranged irregularly are arranged in the oil-gas separation plates (2-9); the dust cover assembly (3) comprises a dust cover (3-1) and a clapboard (3-2), the clapboard (3-2) is arranged in the dust cover (3-1), the center of the clapboard (3-2) is provided with a vent hole (3-3), a plurality of air inlet and outlet holes (3-5) are arranged on the outer circumference of the dust cover (3-1), a plurality of clapboard brackets (3-7) extend below the clapboard (3-2), the clapboard support (3-7) is erected above the oil-gas separation body (2-4), so that an oil return cavity (3-4) is formed between the clapboard (3-2) and the oil return groove (2-11), an air inlet and exhaust cavity wall (3-9) is arranged above the partition plate (3-2) to form an air inlet and exhaust cavity (3-6) between the partition plate (3-2) and the dust cover (3-1), the air inlet and outlet cavity walls (3-9) are provided with air inlet and outlet gaps (3-10), the vent hole (3-3) is communicated with the air inlet and exhaust cavity (3-6) and the oil return cavity (3-4), the air inlet and outlet hole (3-5) on the dust cover (3-1) is communicated with the air inlet and outlet cavity (3-6).
2. The noise reduction type oil-gas separation device for a hydraulic retarder according to claim 1, wherein: the oil-gas separation plate (2-9) is formed by stacking and firing a plurality of metal spheres, and a plurality of channels which are communicated with each other and are arranged irregularly are formed among the metal spheres.
3. The noise reduction type oil-gas separation device for a hydraulic retarder according to claim 2, wherein: the diameter of the metal sphere particles is 0.3mm-1mm, and the pores between the metal spheres are 30 μm-90 μm.
4. The noise reduction type oil-gas separation device for a hydraulic retarder according to claim 1, wherein: the oil-gas separation device is characterized in that an annular groove (2-14) is formed in the outer edge of the lower end of the oil-gas separation body (2-4), a first O-shaped ring (2-2) is installed in the annular groove, the first O-shaped ring (2-2) is used for sealing between the oil-gas separation body (2-4) and the inner cavity of the shell (1), and a second O-shaped ring (2-8) is arranged on one side, adjacent to the oil-gas separation cavity (2-6), of the limiting hole (2-12).
5. The noise reduction type oil-gas separation device for a hydraulic retarder according to claim 1, wherein: the periphery of the oil-gas separation lower cover (2-1) extends outwards to form a supporting boss (2-16), and the lower end of the oil-gas separation body (2-4) is pressed on the supporting boss (2-16).
6. The noise-reducing oil-gas separator for a retarder according to claim 1, wherein: the wall of the floating ball cavity (2-13) is provided with a plurality of oil passing gaps (2-15).
7. The noise reduction type oil-gas separation device for a hydraulic retarder according to claim 1, wherein: the partition plate (3-2) is provided with positioning blocks (3-11), the positioning blocks (3-11) correspond to the positioning bayonets (3-12) of the dust cover (3-1), and the air inlet and outlet holes (3-5) and the air inlet and outlet gaps (3-10) are staggered.
8. The noise-reducing oil-gas separator for a retarder according to claim 1, wherein: one side of the limiting hole (2-12) adjacent to the oil blocking cavity (2-5) is provided with a first sealing gasket (2-7), the outer edge of the lower end of the dust cover (3-1) is provided with a second sealing gasket (3-8), and the dust cover (3-1) is sealed with the shell (1) through the second sealing gasket (3-8).
9. The noise-reducing oil-gas separator for a retarder according to claim 1, wherein: the dustproof cover assembly (3) is fixedly connected with the shell (1) through a connecting piece (4), the dustproof cover (3-1) is provided with a connecting hole (3-13), a hole sleeve (4-1) is arranged in the connecting hole (3-13), and the connecting piece (4) is inserted into the hole sleeve (4-1).
10. The noise reduction type oil-gas separation device for a hydraulic retarder according to claim 1, wherein: the inner wall of the floating ball cavity (2-13) is provided with a plurality of floating ball guide ribs (2-17) for limiting the floating ball (2-3) to move only in the vertical direction.
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CN2021112510433 | 2021-10-26 | ||
CN202111251043.3A CN113898682A (en) | 2021-10-26 | 2021-10-26 | Noise reduction type oil-gas separation device for hydraulic retarder |
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CN202111251043.3A Pending CN113898682A (en) | 2021-10-26 | 2021-10-26 | Noise reduction type oil-gas separation device for hydraulic retarder |
CN202210622391.5A Pending CN115163700A (en) | 2021-10-26 | 2022-06-02 | Noise reduction type oil-gas separation device for hydraulic retarder |
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CN113898682A (en) * | 2021-10-26 | 2022-01-07 | 阜新德尔汽车部件股份有限公司 | Noise reduction type oil-gas separation device for hydraulic retarder |
CN114810869B (en) * | 2022-03-12 | 2023-06-30 | 富奥汽车零部件股份有限公司 | Hydraulic retarber oil storage chamber structure |
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US20070084157A1 (en) * | 2004-04-14 | 2007-04-19 | Mann & Hummel Gmbh | Oil separator |
CN203308978U (en) * | 2013-06-24 | 2013-11-27 | 宁波华盛汽车部件有限公司 | Air-ventilating and oil-stopping device |
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CN105697600A (en) * | 2016-03-01 | 2016-06-22 | 宁波华盛联合制动科技有限公司 | Oil-gas separation device of hydrodynamic retarder |
CN110886882A (en) * | 2019-12-04 | 2020-03-17 | 长春中誉集团有限公司 | Exhaust sealing device and method for working cavity of hydraulic retarder |
CN113389618A (en) * | 2021-06-18 | 2021-09-14 | 中国北方发动机研究所(天津) | Respirator device of high-power diesel engine |
CN113898682A (en) * | 2021-10-26 | 2022-01-07 | 阜新德尔汽车部件股份有限公司 | Noise reduction type oil-gas separation device for hydraulic retarder |
CN216241941U (en) * | 2021-10-26 | 2022-04-08 | 阜新德尔汽车部件股份有限公司 | Noise reduction type oil-gas separation device for hydraulic retarder |
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2021
- 2021-10-26 CN CN202111251043.3A patent/CN113898682A/en active Pending
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2022
- 2022-06-02 CN CN202210622391.5A patent/CN115163700A/en active Pending
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US20070084157A1 (en) * | 2004-04-14 | 2007-04-19 | Mann & Hummel Gmbh | Oil separator |
CN203308978U (en) * | 2013-06-24 | 2013-11-27 | 宁波华盛汽车部件有限公司 | Air-ventilating and oil-stopping device |
CN104265986A (en) * | 2014-09-18 | 2015-01-07 | 陕西法士特齿轮有限责任公司 | Float-type one-way valve for gas-liquid separation |
CN105697600A (en) * | 2016-03-01 | 2016-06-22 | 宁波华盛联合制动科技有限公司 | Oil-gas separation device of hydrodynamic retarder |
CN110886882A (en) * | 2019-12-04 | 2020-03-17 | 长春中誉集团有限公司 | Exhaust sealing device and method for working cavity of hydraulic retarder |
CN113389618A (en) * | 2021-06-18 | 2021-09-14 | 中国北方发动机研究所(天津) | Respirator device of high-power diesel engine |
CN113898682A (en) * | 2021-10-26 | 2022-01-07 | 阜新德尔汽车部件股份有限公司 | Noise reduction type oil-gas separation device for hydraulic retarder |
CN216241941U (en) * | 2021-10-26 | 2022-04-08 | 阜新德尔汽车部件股份有限公司 | Noise reduction type oil-gas separation device for hydraulic retarder |
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