CN103075504A - Reciprocating-type oil filtering, oil changing and cleaning machine - Google Patents
Reciprocating-type oil filtering, oil changing and cleaning machine Download PDFInfo
- Publication number
- CN103075504A CN103075504A CN 201310026886 CN201310026886A CN103075504A CN 103075504 A CN103075504 A CN 103075504A CN 201310026886 CN201310026886 CN 201310026886 CN 201310026886 A CN201310026886 A CN 201310026886A CN 103075504 A CN103075504 A CN 103075504A
- Authority
- CN
- China
- Prior art keywords
- oil
- circular hole
- valve
- valve body
- spool
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Mechanically-Actuated Valves (AREA)
Abstract
The invention provides a reciprocating-type oil filtering, oil changing and cleaning machine. The reciprocating-type oil filtering, oil changing and cleaning machine comprises a bidirectional variable valve, a pump body and an oil storage tank; one end of the bidirectional variable valve is connected with equipment to be cleaned, and the other end of the bidirectional variable valve is connected with a filter; a first reversing valve is connected between the filter and the pump body in series; and a second reversing valve is connected between the pump body and the oil storage tank in series. The reciprocating-type cleaning machine disclosed by the invention can be used for thoroughly and effectively carrying out oil filtering, oil changing and cleaning operations on the interior of a gearcase and saving energy sources; the reciprocating-type cleaning machine is easy to construct, convenient to implement, easy for automation in the whole process, simple and convenient to operate, and low in maintenance service intensity; and the reciprocating-type movement of oil from the equipment to be cleaned to the oil storage tank can be realized just by one pump body and a plurality of reversing valves, and therefore a power source is saved.
Description
Technical field
The present invention relates to a kind of reciprocating type oil strain, the washing machine of changing oil, relate in particular to and a kind ofly can carry out oil strain, change oil and add the reciprocating type oil strain of fresh oil, the washing machine of changing oil to gear-box.
Background technique
Gear-box is the universal machine transmission device that is widely used in the industries such as power plant, mine, colliery, and its safe and stable operation directly has influence on efficient and the production capacity of conveying.And the running of gear-box be unable to do without lubricant oil, and lubricant oil uses to a certain degree to be needed to change afterwards, and the replacing method of conventional lubrication oil is directly gear-box unloading port to be opened to bleed off old oil, then directly injects fresh oil from the gear-box pouring orifice; This changes oil in the process, contamination precipitation thing in the gear-box and residue can not thoroughly be discharged together along with old oil, still have most of impurity to remain on gear-box bottom and the sidewall, and these residual impurity will mix with fresh oil when injecting fresh oil, thereby greatly shortened the working life of fresh oil, even lubrication effect is had a greatly reduced quality; Simultaneously, this kind is directly old oil to be discharged gear-box to the substitute mode of lubricant oil, and these old oil will waste, and have caused the very large wasting of resources; Therefore, how more thoroughly effectively gear-box to be changed oil and clean, simultaneously old oil being used fully is the current major issue that solves of needing.
Summary of the invention
The problem to be solved in the present invention provides a kind ofly can thoroughly carry out oil strain, changes oil and add the reciprocating type oil strain of fresh oil, the washing machine of changing oil to gear-box effectively.
For solving the problems of the technologies described above, the technical solution used in the present invention is a kind of reciprocating type oil strain, the washing machine of changing oil, and comprises bidirectional variable valve, the pump housing and fuel reserve tank; Described bidirectional variable valve one end connects equipment to be cleaned, and the other end connects a filter; Be connected in series one first selector valve between described filter and the pump housing, be connected in series one second selector valve between the pump housing and fuel reserve tank.
Further, fluid is flowed out by equipment to be cleaned, by described bidirectional variable valve, filter, the first selector valve, the pump housing, the second selector valve, flow at last described fuel reserve tank successively, and this loop is the return circuit of oil filtering; Fluid is flowed out by described fuel reserve tank, by described the first selector valve, the pump housing, the second selector valve, bidirectional variable valve, flow at last equipment to be cleaned successively, and this loop is the scavenger circuit of changing oil.
Further, be connected in parallel between the described pump housing and the second selector valve a relief valve and pressure gauge, the described pump housing connects a motor; Also be provided with a fuel reserve tank.
Further, in the described scavenger circuit of changing oil, be connected in series one the 3rd selector valve between described fuel reserve tank and the first selector valve, described the 3rd selector valve connects a fresh oil fuel tank, is connected in series a flowmeter between described fresh oil fuel tank and the 3rd selector valve.
Further, described bidirectional variable valve comprises valve body and spool;
Described valve body is cylindrical structure, and the left and right end face center of valve body all has circular hole, and two circular holes connect, and the aperture of two circular holes is unequal, and the large circular hole in aperture is the first circular hole, and the little circular hole in aperture is the second circular hole;
Described spool comprises head and guiding empennage; Described head is a rotation body structure, comprises large end and small end, is the rounding off face that a diameter size diminishes gradually by described large end to the outer peripheral surface of small end; Described guiding empennage comprises at least two wing pawls, and wing pawl circumferentially is evenly arranged, and the circumscribed circle diameter size of described wing pawl is greater than the large end end face diameter of head size; The central axis of described spool is provided with a through hole; Described guiding empennage is fixed on the large end end face of head;
Described valve core housing is contained in the first circular hole of valve body, and guiding empennage and first circular hole of spool are slidingly matched; The head surface of spool is to the second circular hole of valve body.
Further, be provided with the first circular groove in the first circular hole of described valve body.
Further, be provided with internal thread in the first circular hole of described valve body; Be provided with internal thread in the second circular hole of described valve body, or the outer peripheral surface of the valve body corresponding with the second circular hole is provided with outside thread.
Further, the outer peripheral surface of the valve body corresponding with described the first circular hole is provided with outside thread, is provided with the second circular groove in described the first circular hole, coupling one back-up ring in described the second circular groove, and described the second circular groove is positioned at the outside of the first circular groove; Be provided with internal thread in the second circular hole of described valve body, or the outer peripheral surface of the valve body corresponding with the second circular hole is provided with outside thread.
Further, the first circular hole of described valve body and the connecting end surface place of the second circular hole are provided with a conical surface, and the outer peripheral surface of described valve body is provided with a regular hexahedron.
Further, the wing pawl outer side surface of described spool is a cambered surface; The head of described spool is provided with a cylindrical body with guiding empennage joint, and described cylindrical excircle diameter dimension is less than the circumscribed circle diameter size of wing pawl.
Advantage and good effect that the present invention has are: adopt the technical program, can utilize crude oil after the filtration to treat cleaning equipment and effectively clean, save the energy; The system advantages of simple is easy to construction, is convenient to realize; And whole process easily is automated, and is easy and simple to handle, maintenance work intensity is low; Only can realize fluid from gear-box to the fuel reserve tank reciprocatory motion by a pump housing and some selector valves etc., save power source.
Description of drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of bidirectional variable valve working state 1 among the present invention;
Fig. 3 is the structural representation of bidirectional variable valve working state 2 among the present invention;
Fig. 4 is the structural representation of valve body among the present invention;
Fig. 5 is the schematic perspective view of valve body among the present invention;
Fig. 6 is the schematic perspective view of spool among the present invention;
Fig. 7 is the cross sectional view of spool among the present invention;
Fig. 8 is the spool cross sectional view that the guiding empennage only has two wing pawls;
Fig. 9 is the spool cross sectional view that the guiding empennage only has three wing pawls;
Figure 10 is the spool cross sectional view that the guiding empennage comprises four wing pawls;
Figure 11 is the spool cross sectional view that the guiding empennage includes only four wing pawls.
Among the figure:
1. bidirectional variable valve 2. filters 3. the 3rd selector valve
4. relief valve 5. pressure gauges 6. fuel reserve tanks
7. fuel reserve tank 8. second selector valves 9. flowmeters
10. the pump housing 11. first selector valves 12. gear-boxes
13. fresh oil fuel tank
14. valve body 15. spools
141. the first circular hole 142. second circular holes 143. first circular grooves
144. the second circular groove 145. regular hexahedrons
151. head 152. guiding empennages 153. cylindrical bodys
Embodiment
The present invention is further elaborated to enumerate a specific embodiment below in conjunction with accompanying drawing.
As shown in Figure 1, the present invention is a kind of reciprocating type oil strain, the washing machine of changing oil, and comprises bidirectional variable valve 1, the pump housing 10 and fuel reserve tank 6; Bidirectional variable valve 1 one ends connect equipment to be cleaned, and the other end connects a filter 2; 10 of filter 2 and the pump housings are connected in series one first selector valve 11, and 6 of the pump housing 10 and fuel reserve tanks are connected in series one second selector valve 8; In the present embodiment, the pump housing 10 and 8 of the second selector valves be connected in parallel a relief valve 4 and pressure gauge 5, the pump housing 10 connects a motor.
Fluid is flowed out by equipment to be cleaned, by bidirectional variable valve 1, filter 2, the first selector valve 11, the pump housing 10, the second selector valve 8, flow at last fuel reserve tank 6 successively, and this loop is the return circuit of oil filtering; Fluid is flowed out by fuel reserve tank 6, by the first selector valve 11, the pump housing 10, the second selector valve 8, bidirectional variable valve 1, flow at last equipment to be cleaned successively, and this loop is the scavenger circuit of changing oil; In the scavenger circuit of changing oil, fuel reserve tank 6 and 11 of the first selector valves are connected in series one the 3rd selector valve, 3, the three selector valves 3 and connect a fresh oil fuel tank 13, and fresh oil fuel tank 13 and 3 of the 3rd selector valves are connected in series a flowmeter 9; Equipment to be cleaned is gear-box 12 in the present embodiment.
As shown in Figures 2 and 3, the bidirectional variable valve in the present embodiment comprises valve body 14 and spool 15.
In the present embodiment, as shown in Figure 4 and Figure 5, valve body 14 is cylindrical structure, the center, left side of valve body 14 has the first circular hole 141, the center, right side of valve body 14 all has the second circular hole 142, two circular holes and connects, and the aperture of the first circular hole 141 is greater than the aperture of the second circular hole 142.
Be provided with the first circular groove 143 in the first circular hole 141, be equipped with outside thread on the outer peripheral surface at valve body 14 two ends, be provided with the second circular groove 144 in the first circular hole, the second circular groove 144 is positioned at the outside of the first circular groove 143, the second circular groove 144 interior coupling one back-up rings, the first circular hole 141 of valve body 14 and the connecting end surface place of the second circular hole 142 are provided with a conical surface, and the outer peripheral surface of valve body 14 is provided with a regular hexahedron 145.
The setting of the first circular groove 143 is in order to change the captured area of liquid, thereby changes the flow of liquid when reaching spool and slide in valve body hole; Externally threaded setting is for the connecting pipeline joint on the valve body; Back-up ring is used for spool 15 is axially fixed in the first circular hole 141 of valve body 14; The first circular hole 141 matches with spool 15 heads with the conical surface of the connecting end surface of the second circular hole 142; The setting of regular hexahedron 145 is for easy for installation and arrange on the valve body 14.
In the present embodiment, as shown in Figure 6 and Figure 7, spool 15 comprises head 151 and guiding empennage 152, and head 151 is affixed with guiding empennage 152; Head 151 is a rotation body structure, the head 151 of spool 15 is conical structure in the present embodiment, guiding empennage 152 comprises three wing pawls, wing pawl circumferentially is evenly arranged, the sectional shape of guiding empennage 152 is equilateral class triangle, the leg-of-mutton limit of class is spill arc limit, and the circumscribed circle diameter size of wing pawl is greater than the large end end face diameter size of head cone; The central axis of spool 15 is provided with a through hole, and the outer side surface of wing pawl is a cambered surface, and the head 151 of spool 15 and 152 of empennages of guiding are provided with a cylindrical body 153, and the excircle diameter dimension of cylindrical body 153 is less than the circumscribed circle diameter size of wing pawl.
In the present embodiment, as shown in Figures 2 and 3, spool 15 is sleeved in the first circular hole 141 of valve body 14, the guiding empennage 152 of spool 15 and 141 sliding connections of the first circular hole; The head 151 of spool 15 is towards the second circular hole 142 of valve body 14.
In the present embodiment, in the first working state, as shown in Figure 2, the fluid flow direction is entered a left side for the right side and is gone out, and Oil shocking spool, spool 15 are mobile from right to left, last back-up ring is stuck in spool 15 in valve body 14 first circular holes 141, in this process, effective captured area of this variable flow valve increases gradually, makes fluid from right to left smoothly by this variable flow valve; In the second working state, as shown in Figure 3, the flow direction of fluid is that a left side is entered the right side and gone out, and Oil shocking spool 15, spool 15 are mobile from left to right, the conical surface of last valve body 14 and cone shape head 151 close contacts of spool 15 are connected, in this process, effective captured area of this variable flow valve reduces gradually, and oil liquid pressure increases, the injection dynamics of this moment will strengthen, and this kind working state is conducive to the gear-box on this variable flow valve right side is carried out jet cleaning.
In the present embodiment, the cleaning principle of gear-box is: handle the first selector valve 11, the second selector valve 8 and the 3rd selector valve 3, make it lay respectively at as shown in Figure 1 working position, starting electrical machinery makes pump work, then the lubricant oil in the gear-box 12 will from unloading port, bidirectional variable valve 1, filter 2, inject fuel reserve tank 6 by the pump housing 10, after all lubricant oil all are sucked out in gear-box 12 again, disable motor quits work pump, finishes an oil strain job; Again handle the first selector valve 11 and the second selector valve 8, make it switch to respectively another working position, this moment, starting electrical machinery made pump work again, then the lubricant oil in the fuel reserve tank 6 is from oil outlet, through the pump housing 10, by bidirectional variable valve 1, then inject from gear-box unloading port and get back to gear-box 12, because the design of bidirectional variable valve 1, fluid has elevated pressures, can carry out flush clean to gear-box inside, after the lubricant oil in fuel reserve tank all injects gear-box, disable motor quits work pump, finishes the cleaning of once changing oil to gear-box; Above-mentioned working procedure can repeat several times, can disconnect afterwards being connected between this device and the gear-box unloading port, and final gear-box directly dumps its lubricant oil after cleaning from its unloading port, thereby realizes that gear-box cleans; Native system is that the fluid after recycling is filtered cleans gear-box with after the filtration of the crude oil in the gear-box to the cleaning of gear-box from the above mentioned, and adaptivity is strong, the fluid utilization ratio is high, improve the utilization ratio of resource, be conducive to environmental protection, reduced cost.
In the present embodiment, the working principle that the gear-box fresh oil injects is: handle the first selector valve 11 and the second selector valve 8, make it lay respectively at as shown in Figure 1 position, handle simultaneously the 3rd selector valve 3 and switch to the another location, so that the fuel reserve tank oil outlet is in closed condition, this moment, starting electrical machinery made pump work again, and then the fresh oil in the fresh oil fuel tank 13 injects gear-box by the 3rd selector valve 3 through the pump housing 10, finishes the injection work of fresh oil.
In the present embodiment, filter is used for filtering the impurity of lubricant from the gear-box sucking-off, prolongs simultaneously the working life of pump and selector valve etc.; Relief valve 4 and parallel connection of pumps, regulation relief valve 4 also can be set up pump discharge pressure by observing pressure gauge 5, has guaranteed the pressure in whole loop; Flowmeter 9 is used for measuring and the interior fluid volume that flows out from the fresh oil fuel tank of unit of display time.
The effect of bidirectional variable valve: when fluid was injected into fuel reserve tank from gear-box, Oil shocking spool 14 increased its effective captured area, and fluid is easier pumpedly to be entered thereby make; When fluid was injected into gear-box from fuel reserve tank, Oil shocking spool 14 reduced its effective captured area, and oil liquid pressure increases, and injection puts more effort, and makes cleaning more thorough.
The effect of fuel reserve tank 7: because the volume of fuel reserve tank is limited, if the gear-box volume greater than the fuel reserve tank volume, can be deposited unnecessary fluid.
The bidirectional variable valve also has other structure characteristics among the present invention except the described structure characteristic of above-mentioned the present embodiment, now is listed below:
Be provided with internal thread in the first circular hole 141 of valve body 14, be provided with outside thread with the second circular hole 142 interior corresponding outer peripheral surfaces of valve body 14; Internal thread directly connects the oil circuit joint, and the end face of joint can play the effect of axial restraint spool 2; Outside thread directly connects the oil circuit joint of the other end, and is simple for structure.
The guiding empennage 152 of spool 15 can be and includes only two wing pawls, as shown in Figure 8; The guiding empennage of spool can include only three wing pawls, and three wing pawls evenly circumferentially are fixed on the cylindrical end face of spool, as shown in Figure 9; The guiding empennage of spool can comprise four wing pawls, and the sectional shape of the guiding empennage of spool as shown in Figure 10 is the equilateral quadrilateral of class, and the guiding empennage of the spool shown in Figure 11 includes only four wing pawls.
In sum, the present invention has the following advantages.
1. the saving energy can take full advantage of the lubricant oil in the existing gear-box, refills the gear-box bottom after filtering through the sucking-off of this device, can carry out effectively strong the cleaning to gear-box inside, and adaptivity is strong.
2. be easy to construction, be convenient to realize, required field condition is content with very little, and the cleaning process condition is loose, only needs power supply to get final product, and parts are convenient to produce based on prior art in the required device.
3. whole process easily is automated, and is easy and simple to handle, maintenance work intensity is low.
4. the saving power source only can realize that by a pump housing and some selector valves etc. fluid is from gear-box to the fuel reserve tank reciprocatory motion.
Above one embodiment of the present of invention are had been described in detail, but described content only is preferred embodiment of the present invention, can not be considered to be used to limiting practical range of the present invention.All equalizations of doing according to the present patent application scope change and improve etc., all should still belong within the patent covering scope of the present invention.
Claims (10)
1. a reciprocating type oil strain, the washing machine of changing oil is characterized in that: comprise bidirectional variable valve, the pump housing and fuel reserve tank; Described bidirectional variable valve one end connects equipment to be cleaned, and the other end connects a filter; Be connected in series one first selector valve between described filter and the pump housing, be connected in series one second selector valve between the pump housing and fuel reserve tank.
2. reciprocating type oil strain according to claim 1, the washing machine of changing oil, it is characterized in that: fluid is flowed out by equipment to be cleaned, by described bidirectional variable valve, filter, the first selector valve, the pump housing, the second selector valve, flow at last described fuel reserve tank successively, this loop is the return circuit of oil filtering; Fluid is flowed out by described fuel reserve tank, by described the first selector valve, the pump housing, the second selector valve, bidirectional variable valve, flow at last equipment to be cleaned successively, and this loop is the scavenger circuit of changing oil.
3. reciprocating type oil strain according to claim 1, the washing machine of changing oil, it is characterized in that: be connected in parallel between the described pump housing and the second selector valve a relief valve and pressure gauge, the described pump housing connects a motor.
4. reciprocating type oil strain according to claim 1, the washing machine of changing oil, it is characterized in that: in the described scavenger circuit of changing oil, be connected in series one the 3rd selector valve between described fuel reserve tank and the first selector valve, described the 3rd selector valve connects a fresh oil fuel tank, is connected in series a flowmeter between described fresh oil fuel tank and the 3rd selector valve.
5. reciprocating type oil strain according to claim 1, the washing machine of changing oil, it is characterized in that: described bidirectional variable valve comprises valve body and spool;
Described valve body is cylindrical structure, and the left and right end face center of valve body all has circular hole, and two circular holes connect, and the aperture of two circular holes is unequal, and the large circular hole in aperture is the first circular hole, and the little circular hole in aperture is the second circular hole;
Described spool comprises head and guiding empennage; Described head is a rotation body structure, comprises large end and small end, is the rounding off face that a diameter size diminishes gradually by described large end to the outer peripheral surface of small end; Described guiding empennage comprises at least two wing pawls, and wing pawl circumferentially is evenly arranged, and the circumscribed circle diameter size of described wing pawl is greater than the large end end face diameter of head size; The central axis of described spool is provided with a through hole; Described guiding empennage is fixed on the large end end face of head;
Described valve core housing is contained in the first circular hole of valve body, and guiding empennage and first circular hole of spool are slidingly matched; The head surface of spool is to the second circular hole of valve body.
6. reciprocating type oil strain according to claim 5, the washing machine of changing oil is characterized in that: be provided with the first circular groove in the first circular hole of described valve body.
7. reciprocating type oil strain according to claim 5, the washing machine of changing oil is characterized in that: be provided with internal thread in the first circular hole of described valve body; Be provided with internal thread in the second circular hole of described valve body, or the outer peripheral surface of the valve body corresponding with the second circular hole is provided with outside thread.
8. reciprocating type oil strain according to claim 5, the washing machine of changing oil, it is characterized in that: the outer peripheral surface of the valve body corresponding with described the first circular hole is provided with outside thread, be provided with the second circular groove in described the first circular hole, coupling one back-up ring in described the second circular groove, described the second circular groove is positioned at the outside of the first circular groove; Be provided with internal thread in the second circular hole of described valve body, or the outer peripheral surface of the valve body corresponding with the second circular hole is provided with outside thread.
9. reciprocating type oil strain according to claim 5, the washing machine of changing oil, it is characterized in that: the first circular hole of described valve body and the connecting end surface place of the second circular hole are provided with a conical surface, and the outer peripheral surface of described valve body is provided with a regular hexahedron.
10. reciprocating type oil strain according to claim 5, the washing machine of changing oil, it is characterized in that: the wing pawl outer side surface of described spool is a cambered surface; The head of described spool is provided with a cylindrical body with guiding empennage joint, and described cylindrical excircle diameter dimension is less than the circumscribed circle diameter size of wing pawl.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310026886.2A CN103075504B (en) | 2013-01-24 | 2013-01-24 | Reciprocating-type oil filtering, oil changing and cleaning machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310026886.2A CN103075504B (en) | 2013-01-24 | 2013-01-24 | Reciprocating-type oil filtering, oil changing and cleaning machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103075504A true CN103075504A (en) | 2013-05-01 |
| CN103075504B CN103075504B (en) | 2015-05-13 |
Family
ID=48152144
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310026886.2A Active CN103075504B (en) | 2013-01-24 | 2013-01-24 | Reciprocating-type oil filtering, oil changing and cleaning machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103075504B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104989938A (en) * | 2015-07-02 | 2015-10-21 | 镇江四联机电科技有限公司 | Full-automatic control hydraulic multifunctional trolley |
| CN105327912A (en) * | 2015-12-14 | 2016-02-17 | 天津成科传动机电技术股份有限公司 | Transmission-mechanism crude-oil cycling washing device |
| CN105782692A (en) * | 2014-12-17 | 2016-07-20 | 北京南口轨道交通机械有限责任公司 | Circulating purification device for lubricant oil |
| CN106115596A (en) * | 2016-06-30 | 2016-11-16 | 中铁伟业（北京）新技术有限公司 | A kind of Vehicular intelligent cleans oil change system and method for changing oil |
| CN106352059A (en) * | 2015-11-02 | 2017-01-25 | 安徽车威仕汽车用品有限公司 | Cleaning and exchanging device for manual gear box |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2118613U (en) * | 1991-11-22 | 1992-10-14 | 陈明全 | High efficiency and hand-controlled hydraulic shearing machine for thick or medium steel sheet |
| US6227332B1 (en) * | 1999-07-19 | 2001-05-08 | Bo-Lin Liao | Structure for changing old engine oil in transmission case by automatic circulation mechanism |
| CN2821363Y (en) * | 2005-08-18 | 2006-09-27 | 烟台奔腾汽车检测维修设备制造有限公司 | Free dismantling cleaning and oil exchanging device for automobile automatic gearbox |
| CN101415914B (en) * | 2006-02-07 | 2011-05-25 | 丰田自动车株式会社 | Lubrication device and oil pan |
| CN101458020A (en) * | 2007-12-10 | 2009-06-17 | 广东恒基金属制品实业有限公司 | Bidirectional throttle junction valve |
| CN201309412Y (en) * | 2008-08-16 | 2009-09-16 | 吴叡翰 | Full automatic circulation cleaning type oil exchanger for gear box |
| CN102359578A (en) * | 2011-10-25 | 2012-02-22 | 沈阳瑞祥风能设备有限公司 | Hydraulic oil change device of gear casing of wind driven generator set |
| CN203051723U (en) * | 2013-01-24 | 2013-07-10 | 天津博宜特科技有限公司 | Reciprocating-type oil filtering and changing cleaning machine |
-
2013
- 2013-01-24 CN CN201310026886.2A patent/CN103075504B/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105782692A (en) * | 2014-12-17 | 2016-07-20 | 北京南口轨道交通机械有限责任公司 | Circulating purification device for lubricant oil |
| CN104989938A (en) * | 2015-07-02 | 2015-10-21 | 镇江四联机电科技有限公司 | Full-automatic control hydraulic multifunctional trolley |
| CN106352059A (en) * | 2015-11-02 | 2017-01-25 | 安徽车威仕汽车用品有限公司 | Cleaning and exchanging device for manual gear box |
| CN106352059B (en) * | 2015-11-02 | 2018-06-26 | 安徽车威仕汽车用品有限公司 | A kind of manual transmission cleans switch |
| CN105327912A (en) * | 2015-12-14 | 2016-02-17 | 天津成科传动机电技术股份有限公司 | Transmission-mechanism crude-oil cycling washing device |
| CN106115596A (en) * | 2016-06-30 | 2016-11-16 | 中铁伟业（北京）新技术有限公司 | A kind of Vehicular intelligent cleans oil change system and method for changing oil |
| CN106115596B (en) * | 2016-06-30 | 2018-05-25 | 中铁伟业（北京）新技术有限公司 | A kind of Vehicular intelligent cleaning oil change system and method for changing oil |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103075504B (en) | 2015-05-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103075504B (en) | Reciprocating-type oil filtering, oil changing and cleaning machine | |
| CN203051723U (en) | Reciprocating-type oil filtering and changing cleaning machine | |
| CN103742534A (en) | Oil-injection-type radial bearing | |
| CN104121468B (en) | Lubricating oil replacing device for nuclear power plant | |
| CN102650366B (en) | Oiling device and correction oil injection method | |
| CN204879405U (en) | A concentrated filling recovery system of fluid for mill | |
| CN204035160U (en) | Oil pump cleaning device | |
| CN203916224U (en) | Rotary backwash suction filter | |
| CN202725547U (en) | Spindle-cleaning oiling machine | |
| CN105333291A (en) | Oil liquid concentrated injection recovery system and method used for mill | |
| CN204026112U (en) | Nuclear power oil change equipment | |
| CN105782692A (en) | Circulating purification device for lubricant oil | |
| CN201850341U (en) | Antistatic water and oil wet spraying machine for polyester staple fiber | |
| CN203115470U (en) | Two-way variable valve | |
| CN204663871U (en) | A kind of gear fuel supply pump | |
| CN221032891U (en) | Fuel oil filtering system, power assembly and engineering mechanical equipment | |
| CN206176010U (en) | Lubricated thin oil station of high performance grinding roller | |
| CN101949085B (en) | Antistatic hydraulic oil spraying and wetting machine for polyester short fiber | |
| CN101935890B (en) | Polyester staple fibre water-oil wet spraying machine | |
| CN206372801U (en) | A kind of oil hydrogenation catalyst recycle device | |
| CN205173943U (en) | A filling system is concentrated to fluid for mill | |
| CN103062613A (en) | Bidirectional variable valve | |
| CN203842392U (en) | Oil filtering machine with oil unloading function | |
| CN201954242U (en) | Oil injection device | |
| CN205173938U (en) | A pipeline processing apparatus that is arranged in fluid of mill to concentrate filling system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |