CN110259924A - A kind of gearbox machine oil cold filtration system - Google Patents
A kind of gearbox machine oil cold filtration system Download PDFInfo
- Publication number
- CN110259924A CN110259924A CN201910398688.6A CN201910398688A CN110259924A CN 110259924 A CN110259924 A CN 110259924A CN 201910398688 A CN201910398688 A CN 201910398688A CN 110259924 A CN110259924 A CN 110259924A
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- oil
- ducts
- filter
- pressure limiting
- limiting valve
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- 238000001914 filtration Methods 0.000 title claims abstract description 32
- 239000010721 machine oil Substances 0.000 title claims abstract description 27
- 239000003921 oil Substances 0.000 claims abstract description 350
- 238000009434 installation Methods 0.000 claims description 30
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000001816 cooling Methods 0.000 description 10
- 239000010687 lubricating oil Substances 0.000 description 6
- 239000010705 motor oil Substances 0.000 description 4
- 238000003672 processing method Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Classifications
-
- 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
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0402—Cleaning of lubricants, e.g. filters or magnets
-
- 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
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0412—Cooling or heating; Control of temperature
- F16H57/0413—Controlled cooling or heating of lubricant; Temperature control therefor
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Details Of Gearings (AREA)
Abstract
A kind of gearbox machine oil cold filtration system, including filter, high-power cooler, the enclosure interior of filter offers filter core chamber, No.1 oil duct, No. two oil ducts, No. three oil ducts, No. four oil ducts, No.1 oil pocket, one end of No.1 oil duct is communicated with the oil outlet on gear box casing, the other end of No.1 oil duct is communicated by No. two oil ducts with the oil inlet of high-power cooler, the oil inlet end of No. three oil ducts is communicated with the oil outlet of high-power cooler, and the oil outlet of No. three oil ducts passes sequentially through filter core chamber, No. four oil ducts, No.1 oil pocket and communicates with the outside of filter case.The design not only effectively reduces manufacturing cost, but also reduces arrangement space.
Description
Technical field
The invention belongs to speed changing box lubricating system fields, and in particular to a kind of gearbox machine oil cold filtration system is applicable in
In the matching for realizing filter and high-power cooler, manufacturing cost is reduced, while compact-sized, lesser cloth is needed to empty
Between.
Background technique
When gearbox matches heavy goods vehicles, as vehicle GVW increases, torque is promoted, the raising of gearbox oil drain interval requirement,
Heavily loaded commercial vehicle transmission assembly increases lubricating oil cooling and filtration system.Lubricating oil is pumped into gear box oil road by oil pump,
The lubricating oil in oil duct is filtered by the filter device being arranged in oil duct, and cold to lubricating oil progress by cooler
But.
Currently, there are two types of structures for speed change punch-out equipment cooler: small-power cooler and high-power cooler.Vehicle matching cooling
There are three types of configurations when device: mismatching cooler, matching small-power cooler, the high-power cooler of matching.Gearbox oil filtration
When device matches different coolers, in order to reduce the manufacturing cost of engine oil filter, generalization can be carried out to filter device and set
Meter.Existing engine oil filter multi-pass crosses the matching for increasing cooling transitional module to realize different coolers, i.e., big in matching
When power cooler, using the engine oil filter of matching small-power cooler, cancel small cooler, and add cooling stage die
Block, which is entered inside high-power cooler after filtering lubricating oil via transmission filter by the module, to be cooled down.It is above-mentioned not
Only make manufacturing cost higher, and needs to occupy more arrangement space.
Summary of the invention
The purpose of the present invention is, arrangements high for gearbox machine oil cold filtration system manufacturing cost of the existing technology
The big problem in space provides a kind of gearbox machine oil cold filtration system that can be effectively reduced manufacturing cost, reduce arrangement space
System.
In order to achieve the above object, technical scheme is as follows:
A kind of gearbox machine oil cold filtration system, including filter, high-power cooler, the filter include filter box
Body and its internal filter core chamber opened up；
The inside of the filter case is also provided with No.1 oil duct, No. two oil ducts, No. three oil ducts, No. four oil ducts, No.1 oil pocket,
One end of the No.1 oil duct is communicated with the oil outlet on gear box casing, and the other end of No.1 oil duct is by No. two oil ducts and greatly
The oil inlet of power cooler communicates, and the oil inlet end of No. three oil ducts is communicated with the oil outlet of high-power cooler, No. three oil
The oil outlet in road passes sequentially through filter core chamber, No. four oil ducts, No.1 oil pocket and communicates with the outside of filter case.
The inside of the filter case is also provided with No. five oil ducts, pressure limiting valve installation cavity, the pressure limiting valve installation cavity with
The inner wall of filter case, No. four oil ducts are enclosed No. two oil pockets, the first oil inlet end of the pressure limiting valve installation cavity and No. four
The oil outlet of oil duct communicates, and the second oil inlet end of pressure limiting valve installation cavity passes sequentially through overflow hole, No. two oil pockets are communicated with filter core chamber,
The oil outlet of pressure limiting valve installation cavity is communicated by No. five oil ducts with No.1 oil pocket；
The pressure limiting valve installation cavity is internally provided with pressure limiting valve assembly, and the pressure limiting valve assembly includes pressure limiting valve body, pressure limiting valve
Seat, the pressure limiting valve seat are hollow structure open at one end, are internally provided with spring, the head of the pressure limiting valve body and overflow
Hole matches, and the bar portion of pressure limiting valve body is abutted against by the inner wall of spring and pressure limiting valve base.
The filter core chamber is bottom opening structure, is internally provided with pedestal, cartridge support frame and is set in filter core branch
Filter core outside support, the outer wall of the pedestal and the open end inner wall of filter core chamber seal and cooperate, the top of pedestal and filter core branch
The bottom of support is fixedly connected.
The filter, high-power cooler are fixed on gear box casing side by side.
No. five oil ducts, pressure limiting valve installation cavity, No.1 oil pocket, No. two oil pockets are respectively positioned on the top of filter core chamber, and described two
Number oil duct, No. three oil ducts are located at the same side of filter case.
The inside of the filter case is also provided with No. five oil ducts, and the filter case is added by filter case blank
Work obtains, wherein
The inside of the filter case blank offers filter core chamber, No.1 oil duct, No. four oil ducts, No.1 oil pocket, the No.1
The oil inlet end of oil duct is communicated with the oil outlet on gear box casing, and the oil inlet end of No. four oil ducts is communicated with filter core chamber, described
No.1 oil pocket is communicated with the outside of filter case blank, and No. two the pre- of oil duct are provided on the filter case blank and are kept on file
Hole, No. three oil ducts reserved bottom outlet；
The processing refers to: the top by filter case blank makes No. five oil ducts and four towards No. five oil ducts are opened up inside it
Number oil duct, No.1 oil pocket, filter case blank outside communicate, and pass through the reserved bottom outlet of No. two oil ducts, No. three oil ducts
Reserved bottom outlet process respectively formed No. two oil ducts, No. three oil ducts, make No. two oil ducts into and out of oily end respectively with No.1 oil duct,
The oil inlet of high-power cooler communicates, No. three oil ducts into and out of oily end respectively with the oil outlet of high-power cooler, filter core chamber
The end setting plug for communicating, and being connected to outside No. five oil ducts and filter case blank.
Compared with prior art, the invention has the benefit that
1, the inside of filter case offers No.1 oil duct, No. two oil in a kind of gearbox machine oil cold filtration system of the present invention
Road, No. three oil ducts, No. four oil ducts, No.1 oil pocket, one end of No.1 oil duct are communicated with the oil outlet on gear box casing, No.1 oil
The other end in road is communicated by No. two oil ducts with the oil inlet of high-power cooler, the oil inlet end of No. three oil ducts and high-power cooling
The oil outlet of device communicates, and the oil outlet of No. three oil ducts passes sequentially through filter core chamber, No. four oil ducts, No.1 oil pocket and filter case
Outside communicates, and the design is moved towards by changing the internal oil passages of filter case, so that filter case matching is high-power cold
But when device, machine oil can be directly entered cooling inside high-power cooler by filter case, then return in filter
Filtering, without adding transitional module, not only can effectively reduce manufacturing cost, moreover it is possible to reduce arrangement space.Therefore, the present invention is not only
Manufacturing cost is effectively reduced, and reduces arrangement space.
2, in a kind of gearbox machine oil cold filtration system of the present invention inside of filter casing be also provided with No. five oil ducts,
The inner wall of pressure limiting valve installation cavity, pressure limiting valve installation cavity and filter case, No. four oil ducts are enclosed No. two oil pockets, pressure limiting valve peace
The first oil inlet end behaveing affectedly is communicated with the oil outlet of No. four oil ducts, and the second oil inlet end passes sequentially through overflow hole, No. two oil pockets and filter
Core cavity communicates, and oil outlet is communicated by No. five oil ducts with No.1 oil pocket, and when the engine oil pressure of filter core chamber is normal, machine oil can pass through
No. four oil ducts, pressure limiting valve are passed sequentially through after filter element filtering into No. five oil ducts, when the machine oil for leading to filter core chamber due to filter core blocking
When pressure is more than limit value, pressure limiting valve is moved down, and overflow hole is opened, and the lubricating oil in No. two oil pockets can enter No. five by overflow hole
Oil duct realizes the decompression protection to oil circuit.Therefore, the present invention is integrated with the function of level pressure overflow.
3, filter case by filter case blank passes through spy in a kind of gearbox machine oil cold filtration system of the present invention
Fixed processing method processes to obtain, which can change its interface and inside by different machining modes
Oil duct trend so that same filter case blank can configure different types of cooler, significantly improve it
General rate.Therefore, filter case blank of the present invention has good versatility.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of machine oil cold filtration structure of the present invention.
Fig. 2 is the A-A cross-sectional view of filter case in Fig. 1.
Fig. 3 is the B-B cross-sectional view of filter case in Fig. 1.
Fig. 4 is the structural schematic diagram of filter case blank of the present invention.
Fig. 5 is the A direction view of Fig. 4.
Fig. 6 is the A-A cross-sectional view of Fig. 5.
Fig. 7 is the B-B cross-sectional view of Fig. 5.
In figure, filter 1, filter case 11, filter core chamber 12, the oil duct 14, three of No.1 oil duct 13, two oil duct 15,
It is 16, No. five oil ducts 17 of No. four oil ducts, pressure limiting valve installation cavity 18, overflow hole 181,19, No. two oil pockets 21 of No.1 oil pocket, high-power cold
But device 2, gear box casing 3, pressure limiting valve assembly 4, pressure limiting valve body 41, pressure limiting valve seat 42, spring 43, pedestal 5, cartridge support frame 6,
Filter core 7, plug 8.
Specific embodiment
The present invention is described in further detail with specific embodiment for explanation with reference to the accompanying drawing.
Referring to Fig. 1 to Fig. 3, a kind of gearbox machine oil cold filtration system, including filter 1, high-power cooler 2, institute
Stating filter 1 includes filter case 11 and its internal filter core chamber 12 opened up；
The inside of the filter case 11 is also provided with 15, No. four oil ducts of oil duct of oil duct 14, three of No.1 oil duct 13, two
16, one end of No.1 oil pocket 19, the No.1 oil duct 13 is communicated with the oil outlet on gear box casing 3, No.1 oil duct 13 it is another
One end is communicated by No. two oil ducts 14 with the oil inlet of high-power cooler 2, the oil inlet end of No. three oil ducts 15 with it is high-power
The oil outlet of cooler 2 communicates, and the oil outlet of No. three oil ducts 15 passes sequentially through filter core chamber 12, No. four oil ducts 16, No.1 oil pockets 19
It is communicated with the outside of filter case 11.
The inside of the filter case 11 is also provided with No. five oil ducts 17, pressure limiting valve installation cavity 18, the pressure limiting valve peace
It behave affectedly and 18 is enclosed No. two oil pockets 21 with inner wall, No. four oil ducts 16 of filter case 11, the pressure limiting valve installation cavity 18
First oil inlet end is communicated with the oil outlet of No. four oil ducts 16, and the second oil inlet end of pressure limiting valve installation cavity 18 passes sequentially through overflow hole
181, No. two oil pockets 21 are communicated with filter core chamber 12, and the oil outlet of pressure limiting valve installation cavity 18 passes through No. five oil ducts 17 and No.1 oil pocket 19
It communicates；
The pressure limiting valve installation cavity 18 is internally provided with pressure limiting valve assembly 4, the pressure limiting valve assembly 4 include pressure limiting valve body 41,
Pressure limiting valve seat 42, the pressure limiting valve seat 42 are hollow structure open at one end, are internally provided with spring 43, the pressure limiting valve body
41 head is matched with overflow hole 181, and the bar portion of pressure limiting valve body 41 is offseted by spring 43 and the inner wall of pressure limiting valve base 42
It connects.
The filter core chamber 12 is bottom opening structure, is internally provided with pedestal 5, cartridge support frame 6 and is set in filter
Filter core 7 outside core support frame 6, the outer wall of the pedestal 5 and the open end inner wall of filter core chamber 12 seal and cooperate, the top of pedestal 5
Portion is fixedly connected with the bottom of cartridge support frame 6.
The filter 1, high-power cooler 2 are fixed on side by side on gear box casing 3.
19, No. two No. five oil ducts 17, pressure limiting valve installation cavity 18, No.1 oil pocket oil pockets 21 are respectively positioned on the upper of filter core chamber 12
Side, 14, No. three oil ducts 15 of No. two oil ducts are located at the same side of filter case 11.
Referring to fig. 4 to Fig. 7, the inside of the filter case 11 is also provided with No. five oil ducts 17, the filter case
11 are processed to obtain by filter case blank, wherein
The inside of the filter case blank offers filter core chamber 12, No.1 oil duct 13, No. four oil ducts 16, No.1 oil pockets 19,
The oil inlet end of the No.1 oil duct 13 is communicated with the oil outlet on gear box casing 3, the oil inlet end of No. four oil ducts 16 and filter
Core cavity 12 communicates, and the No.1 oil pocket 19 is communicated with the outside of filter case blank, is arranged on the filter case blank
There is the reserved bottom outlet 151 of 141, No. three oil ducts of reserved bottom outlet of No. two oil ducts；
The processing refers to: the top by filter case blank makes No. five oil ducts 17 towards No. five oil ducts 17 are opened up inside it
It is communicated with the outside of No. four oil ducts 16, No.1 oil pocket 19, filter case blank, and passes through the reserved bottom outlet of No. two oil ducts
141, the reserved bottom outlet 151 of No. three oil ducts process respectively formed 14, No. three oil ducts 15 of No. two oil ducts, make No. two oil ducts 14 into,
Oil outlet is communicated with the oil inlet of No.1 oil duct 13, high-power cooler 2 respectively, No. three oil ducts 15 into and out of oily end respectively with
Oil outlet, the filter core chamber 12 of high-power cooler 2 communicate, and the end being connected to outside No. five oil ducts 17 and filter case blank
Plug 8 is arranged in portion.
The principle of the present invention is described as follows:
Filter case 11 of the present invention is processed to obtain by specific filter case blank, which can lead to
The oil duct trend that different machining modes changes its interface and inside is crossed, so that same filter case blank energy
Different types of cooler is enough configured, specifically:
1, when filter case matches small-power cooler,
The processing method of filter case blank are as follows: top by filter case blank towards opening up fuel-displaced oil inside it respectively
Road and oil inlet oil duct make communicating respectively with the oil inlet of No. four oil ducts 16, cooler into and out of oily end for fuel-displaced oil duct, oil inlet oil
Road is communicated with the oil return outlet of cooler, No.1 oil pocket 19 respectively into and out of oily end, and passes through the reserved bottom outlet of No. two oil ducts
141 processing form No. two oil ducts, communicate No. two oil ducts with the outside of filter case, No.1 oil duct 13, filter core chamber 12, and
The end setting plug being connected to outside No. two oil ducts and filter case；
Oil circuit trend are as follows: machine oil first passes sequentially through 13, No. two oil ducts 14 of No.1 oil duct and enters filter core chamber 12, through in filtration core chamber 12
Filter element filtering after successively via 16, No. five oil ducts 17 of No. four oil ducts, fuel-displaced oil duct enter small-power cooler inside carry out
It is cooling, it is then flowed into oil inlet oil duct by the oil return outlet of small-power cooler, then filter box is flowed out by No.1 oil pocket 19
Body, i.e. machine oil are introduced into filter case self-filtering, enter back into the cooling of small-power cooler, eventually pass back to filter case.
2, when filter case matches high-power cooler, using processing method of the present invention, oil circuit trend are as follows: machine
Oil first passes sequentially through the inside that 13, No. two oil ducts 14 of No.1 oil duct enter high-power cooler 2, cooling through high-power cooler 2
Its oil outlet enters No. three oil ducts 15 afterwards, then flows into filter core chamber 12 and be filtered, then successively via 16, No. five oil of No. four oil ducts
Road 17, No.1 oil pocket 19 flow out filter case 11, i.e. machine oil is introduced into high-power cooler 2 cooling, enter back into filter
11 self-filtering of shell.
3, when filter case mismatches cooler,
The processing method of filter case blank are as follows: top by filter case blank is towards opening up No. five oil ducts inside it
17, communicate No. five oil ducts 17 and the outside of No. four oil ducts 16, No.1 oil pocket 19, filter case, and pass through No. two oil ducts
The reserved processing of bottom outlet 141 forms No. two oil ducts, makes outside, the No.1 oil duct 13, filter core chamber 12 of No. two oil ducts and filter case
It is connected to outside end, No. five oil ducts 17 and the filter case for communicating, and being connected to outside No. two oil ducts and filter case
End be respectively provided with plug；
Oil circuit trend are as follows: machine oil first passes sequentially through 13, No. two oil ducts of No.1 oil duct and enters filter core chamber 12, through in filtration core chamber 12
Filter case successively is flowed out via 16, No. five oil ducts 17 of No. four oil ducts, No.1 oil pocket 19 after filter element filtering.
Embodiment 1:
Referring to Fig. 1 to Fig. 4, a kind of gearbox machine oil cold filtration system, including filter 1, high-power cooler 2, the filter
Clear device 1, high-power cooler 2 are fixed on side by side on gear box casing 3, and the filter 1 includes filter case 11, the filter
The inside of clear device shell 11 offers filter core chamber 12,15, No. four oil ducts 16, five of oil duct of oil duct 14, three of No.1 oil duct 13, two
Number oil duct 17, pressure limiting valve installation cavity 18, No.1 oil pocket 19, the filter core chamber 12 are bottom opening structure, are internally provided with bottom
Seat 5, cartridge support frame 6 and the filter core 7 being set in outside cartridge support frame 6, the outer wall of the pedestal 5 and opening for filter core chamber 12
Mouth end inner wall sealing cooperation, the top of pedestal 5 are fixedly connected with the bottom of cartridge support frame 6,14, No. three oil of No. two oil ducts
Road 15 is located at the same side of filter case 11,19, No. two No. five oil ducts 17, pressure limiting valve installation cavity 18, No.1 oil pocket oil
Chamber 21 is respectively positioned on the top of filter core chamber 12, and one end of the No.1 oil duct 13 is communicated with the oil outlet on gear box casing 3, No.1
The other end of oil duct 13 is communicated by No. two oil ducts 14 with the oil inlet of high-power cooler 2, the oil inlet of No. three oil ducts 15
End is communicated with the oil outlet of high-power cooler 2, the oil outlets of No. three oil ducts 15 pass through filter core chamber 12 and No. four oil ducts 16 into
Oily end communicates, and inner wall, No. four oil ducts 16 of the pressure limiting valve installation cavity 18 and filter case 11 are enclosed No. two oil pockets
21, the first oil inlet end of the pressure limiting valve installation cavity 18 is communicated with the oil outlet of No. four oil ducts 16, and the of pressure limiting valve installation cavity 18
Two oil inlet ends pass sequentially through 181, No. two oil pockets 21 of overflow hole and communicate with filter core chamber 12, and the oil outlet of pressure limiting valve installation cavity 18 is successively
It is communicated by No. five oil ducts 17, No.1 oil pocket 19 with the outside of filter case 11, the inside of the pressure limiting valve installation cavity 18 is set
It is equipped with pressure limiting valve assembly 4, the pressure limiting valve assembly 4 includes pressure limiting valve body 41, pressure limiting valve seat 42, and the pressure limiting valve seat 42 is one end
The hollow structure of opening is internally provided with spring 43, and the head of the pressure limiting valve body 41 is matched with overflow hole 181, pressure limiting
The bar portion of valve body 41 is abutted against by spring 43 and the inner wall of pressure limiting valve base 42.
Embodiment 2:
With embodiment the difference is that:
Referring to fig. 4 to Fig. 7, the filter case 11 is processed to obtain by filter case blank, wherein
The inside of the filter case blank offers filter core chamber 12, No.1 oil duct 13, No. four oil ducts 16, No.1 oil pockets 19,
The oil inlet end of the No.1 oil duct 13 is communicated with the oil outlet on gear box casing 3, the oil inlet end of No. four oil ducts 16 and filter
Core cavity 12 communicates, and the No.1 oil pocket 19 is communicated with the outside of filter case 11, is provided on the filter case blank
The reserved bottom outlet 151 of 141, No. three oil ducts of reserved bottom outlet of No. two oil ducts；
The method of the processing are as follows: the top by filter case blank makes No. five oil towards No. five oil ducts 17 are opened up inside it
Road 17 is communicated with the outside of No. four oil ducts 16, No.1 oil pocket 19, filter case blank, and is kept on file by No. two the pre- of oil duct
The reserved bottom outlet 151 of 141, No. three oil ducts in hole is processed respectively forms 14, No. three oil ducts 15 of No. two oil ducts, makes No. two oil ducts 14
It is communicated respectively with the oil inlet of No.1 oil duct 13, high-power cooler 2 into and out of oily end, No. three oil ducts 15 are distinguished into and out of oily end
It is communicated with the oil outlet of high-power cooler 2, filter core chamber 12, and be connected to outside No. five oil ducts 17 and filter case blank
Plug 8 is arranged in end.
Claims (6)
1. a kind of gearbox machine oil cold filtration system, including filter (1), high-power cooler (2), the filter (1)
Including filter case (11) and its internal filter core chamber (12) opened up, it is characterised in that:
The inside of the filter case (11) is also provided with No.1 oil duct (13), No. two oil ducts (14), No. three oil ducts (15), four
Number oil duct (16), No.1 oil pocket (19), one end of the No.1 oil duct (13) are communicated with the oil outlet on gear box casing (3),
The other end of No.1 oil duct (13) is communicated by No. two oil ducts (14) with the oil inlet of high-power cooler (2), No. three oil
The oil inlet end in road (15) is communicated with the oil outlet of high-power cooler (2), and the oil outlet of No. three oil ducts (15) passes sequentially through filter core
Chamber (12), No. four oil ducts (16), No.1 oil pocket (19) are communicated with the outside of filter case (11).
2. a kind of machine oil cold filtration system of gearbox according to claim 1, it is characterised in that:
The inside of the filter case (11) is also provided with No. five oil ducts (17), pressure limiting valve installation cavity (18), the pressure limiting valve
Installation cavity (18) and the inner wall of filter case (11), No. four oil ducts (16) are enclosed No. two oil pockets (21), the pressure limiting valve
First oil inlet end of installation cavity (18) is communicated with the oil outlet of No. four oil ducts (16), the second oil inlet end of pressure limiting valve installation cavity (18)
Pass sequentially through overflow hole (181), No. two oil pockets (21) communicate with filter core chamber (12), the oil outlet of pressure limiting valve installation cavity (18) passes through
No. five oil ducts (17) communicate with No.1 oil pocket (19)；
The pressure limiting valve installation cavity (18) is internally provided with pressure limiting valve assembly (4), and the pressure limiting valve assembly (4) includes pressure limiting valve
Body (41), pressure limiting valve seat (42), the pressure limiting valve seat (42) are hollow structure open at one end, are internally provided with spring
(43), the head of the pressure limiting valve body (41) is matched with overflow hole (181), and the bar portion of pressure limiting valve body (41) passes through spring (43)
It is abutted against with the inner wall of pressure limiting valve base (42).
3. a kind of machine oil cold filtration system of gearbox according to claim 1 or 2, it is characterised in that: the filter core
Chamber (12) is bottom opening structure, is internally provided with pedestal (5), cartridge support frame (6) and is set in cartridge support frame (6)
External filter core (7), the outer wall of the pedestal (5) and the open end inner wall of filter core chamber (12) seal and cooperate, the top of pedestal (5)
It is fixedly connected with the bottom of cartridge support frame (6).
4. a kind of machine oil cold filtration system of gearbox according to claim 1 or 2, it is characterised in that: the filtering
Device (1), high-power cooler (2) are fixed on side by side on gear box casing (3).
5. a kind of machine oil cold filtration system of gearbox according to claim 2, it is characterised in that:
No. five oil ducts (17), pressure limiting valve installation cavity (18), No.1 oil pocket (19), No. two oil pockets (21) are respectively positioned on filter core chamber
(12) top, No. two oil ducts (14), No. three oil ducts (15) are located at the same side of filter case (11).
6. a kind of machine oil cold filtration system of gearbox according to claim 1, it is characterised in that:
The inside of the filter case (11) is also provided with No. five oil ducts (17), and the filter case (11) is by filter box
Chaeta base is processed to obtain, wherein
The inside of the filter case blank offers filter core chamber (12), No.1 oil duct (13), No. four oil ducts (16), No.1 oil
The oil inlet end of chamber (19), the No.1 oil duct (13) is communicated with the oil outlet on gear box casing (3), No. four oil ducts (16)
Oil inlet end communicated with filter core chamber (12), the No.1 oil pocket (19) communicates with the outside of filter case blank, the filtering
The reserved bottom outlet (141) of No. two oil ducts, the reserved bottom outlet (151) of No. three oil ducts are provided on device casing blank；
The processing refers to: the top by filter case blank makes No. five oil ducts towards No. five oil ducts (17) are opened up inside it
(17) it is communicated with the outside of No. four oil ducts (16), No.1 oil pocket (19), filter case blank, and passes through the pre- of No. two oil ducts
Keep on file hole (141), No. three oil ducts reserved bottom outlet (151) process respectively formed No. two oil ducts (14), No. three oil ducts (15), make two
Number oil duct (14) is communicated with the oil inlet of No.1 oil duct (13), high-power cooler (2) respectively into and out of oily end, No. three oil ducts
(15) communicated respectively with the oil outlet of high-power cooler (2), filter core chamber (12) into and out of oily end, and in No. five oil ducts (17)
End setting plug (8) being connected to outside filter case blank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910398688.6A CN110259924B (en) | 2019-05-14 | 2019-05-14 | Gearbox machine oil cooling filtration system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910398688.6A CN110259924B (en) | 2019-05-14 | 2019-05-14 | Gearbox machine oil cooling filtration system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110259924A true CN110259924A (en) | 2019-09-20 |
| CN110259924B CN110259924B (en) | 2020-11-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910398688.6A Active CN110259924B (en) | 2019-05-14 | 2019-05-14 | Gearbox machine oil cooling filtration system |
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Cited By (1)
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| CN113431892A (en) * | 2021-04-29 | 2021-09-24 | 东风商用车有限公司 | Multifunctional transmission rear shell integrated with inner oil duct |
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| CN110259924B (en) | 2020-11-06 |
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