CN108953958A - A kind of IIC grades of explosion-proof oiling device - Google Patents
A kind of IIC grades of explosion-proof oiling device Download PDFInfo
- Publication number
- CN108953958A CN108953958A CN201811008272.0A CN201811008272A CN108953958A CN 108953958 A CN108953958 A CN 108953958A CN 201811008272 A CN201811008272 A CN 201811008272A CN 108953958 A CN108953958 A CN 108953958A
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- China
- Prior art keywords
- explosion
- proof
- oil
- iic
- chamber
- 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.)
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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
- F16N—LUBRICATING
- F16N5/00—Apparatus with hand-positioned nozzle supplied with lubricant under pressure
- F16N5/02—Nozzles or nozzle-valve arrangements therefor, e.g. high-pressure grease guns
-
- 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
- F16N—LUBRICATING
- F16N21/00—Conduits; Junctions; Fittings for lubrication apertures
- F16N21/04—Nozzles for connection of lubricating equipment to nipples
-
- 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
- F16N—LUBRICATING
- F16N25/00—Distributing equipment with or without proportioning devices
- F16N25/02—Distributing equipment with or without proportioning devices with reciprocating distributing slide valve
-
- 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
- F16N—LUBRICATING
- F16N27/00—Proportioning devices
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Compressor (AREA)
Abstract
The invention discloses a kind of IIC grades of explosion-proof oiling devices comprising oil vessel fixing seat, explosion-proof chamber, explosion-proof go rancid channel and piston cylinder and piston component, the explosion-proof chamber are to be connect to be formed using flameproof joint with pedestal by upper encloser；Explosion-proof channel of going rancid is arranged in explosion-proof chamber, and top is connect with upper encloser flame proof, and lower part is connect with pedestal flame proof；The oil inlet in explosion-proof channel of going rancid is connected with the oil outlet of oil vessel fixing seat, and the oil outlet in explosion-proof channel of going rancid is connected with the oil inlet of piston cylinder；And, the piston rod head for constituting piston component passes through pedestal and is located in explosion-proof chamber, axle sleeve is connected with flame proof thread on the piston rod, driven gear is socketed on the axle sleeve, be meshed with the driven gear connection driving gear be socketed on motor output shaft, the motor is installed in explosion-proof chamber.The present invention can not only realize quantitative automatic oiling, but also have explosion prevention function, and more oil change is convenient.
Description
Technical field
The present invention is to be related to a kind of IIC grades of explosion-proof oiling device, belongs to oil filling technical field.
Background technique
Slewing is the common equipment of industrial enterprise, and critical component-bearing as slewing, is to guarantee rotation
The key factor of equipment normal reliable work.Since bearing is in lasting high speed rotation, local thermal deformation can be generated because of friction, from
And the abrasion of piece surface is accelerated to cause operation errors increase that generation shaft is caused to scrap.Therefore, safe and reliable for guarantee bearing
Operating avoids bearing surface from forming spot corrosion and cause to fail, it is desirable to good lubrication is carried out to bearing, because of the meeting pair of good lubrication
The reason of effect of being significantly improved such as the fatigue life of bearing and friction, abrasion, temperature, vibration, analysis bearing damage, shows
40% or so bearing damage is all related with insufficient lubrication.Currently, being needed to guarantee that bearing has good lubricant effect
Bearing run certain time (standard is defined as 1500-2000 hour) after, make-up oil progress time-based maintenance, to avoid because
Insufficient lubrication leads to bearing damage and safety accident.But the filling for carrying out lubricating oil at present still manually operates, and on the one hand needs
It shuts down and is just able to achieve oil filling, adverse effect is caused to enterprise's production；On the other hand, manually maintenance mode there is also
Following disadvantage: 1, it is random strong, time-based maintenance cannot be carried out by the time as defined in standard；2, how much the oil mass filled cannot be accurate
It determines, so that affecting lubricant effect；3, labor intensive working hour；Especially, some inflammable and explosive Petrochemical Places into
The operation of row oil filling is also easy to that safety accident occurs.
Summary of the invention
In view of the above-mentioned problems existing in the prior art, the object of the present invention is to provide a kind of IIC grades of explosion-proof oiling device, with
Meet the needs that various places fill lubricating oil online.
To achieve the above object, the present invention adopts the following technical scheme:
A kind of IIC grades of explosion-proof oiling device, including oil vessel fixing seat, explosion-proof chamber, explosion-proof channel and the piston cylinder of going rancid
And piston component, the explosion-proof chamber are to be connect to be formed using flameproof joint with pedestal by upper encloser；Explosion-proof channel setting of going rancid
In explosion-proof chamber, and top is connect with upper encloser flame proof, and lower part is connect with pedestal flame proof；The oil inlet in explosion-proof channel of going rancid and storage
The oil outlet of oil vessel fixing seat is connected, and the oil outlet in explosion-proof channel of going rancid is connected with the oil inlet of piston cylinder；Also, structure
Pedestal is passed through at the piston rod head of piston component to be located in explosion-proof chamber, and axle sleeve is connected with flame proof thread on the piston rod,
It is socketed with driven gear on the axle sleeve, the driving gear for the connection that is meshed with the driven gear is socketed in motor output shaft
On, the motor is installed in explosion-proof chamber.
A kind of embodiment, the center of the oil vessel fixing seat are equipped with the screw thread for being threadedly coupled with oil vessel
Mouthful, oil outlet is equipped in the bottom of the oil vessel fixing seat.
A kind of preferred embodiment is equipped with nose cone in the bottom centre of the oil vessel fixing seat, and the oil vessel is solid
The bottom of reservation symmetrically offers multiple fan-shaped oil outlets centered on the nose cone.
A kind of preferred embodiment is additionally provided with the fastening assembly for reinforcing oil vessel above screw thread mouth.
A kind of preferred embodiment, is equipped with air respiratorresuscitator in the oil vessel fixing seat, the air respiratorresuscitator and anti-
The oil inlet in quick-fried channel of going rancid is connected.
A kind of preferred embodiment is equipped with oil guide groove, the bottom surface of the oil guide groove and explosion-proof channel of going rancid at the top of upper encloser
Oil inlet be connected.
A kind of preferred embodiment, the explosion-proof channel of going rancid is the stud equipped with cavity.
A kind of preferred embodiment, the lower part of the piston cylinder are equipped with quantitative oiling chamber, and the quantitative oiling chamber is cylinder, and
The internal diameter of the quantitative oiling chamber is adapted with piston external diameter, and the piston cylinder bore above quantitative oiling chamber is greater than outside piston
Diameter.
The oil outlet of a kind of preferred embodiment, the piston cylinder is equipped with filter screen and filter screen clamping cap.
A kind of preferred embodiment, the axle sleeve slidably connect upper copper sheathing and lower copper sheathing outside, and the upper copper sheathing is fixed on motor
In fixing seat, the lower copper sheathing is fixed on the base, and the joint face of lower copper sheathing and pedestal is flameproof joint.
Compared to the prior art, the present invention has following advantageous effects:
IIC grades of explosion-proof oiling device provided by the present invention can not only realize quantitative automatic oiling, but also have explosion-proof function
Can, and more oil change is conveniently, is applicable to the online filling of various places, various lubricating oil, is advantageously implemented rotation and sets
Standby automatic maintenance；Also, the explosion-proof oiling device of IIC grade also has many advantages, such as that structure is simple, easy to use；Therefore,
The present invention compared with the existing technology, has marked improvement and industrial utility value.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of IIC grades of explosion-proof oiling devices provided in an embodiment of the present invention；
Fig. 2 is a kind of cross-sectional view of IIC grades of explosion-proof oiling devices provided in an embodiment of the present invention；
Fig. 3 is the structural schematic diagram of oil vessel fixing seat described in the embodiment of the present invention；
Fig. 4 is a kind of entirety of IIC grades of explosion-proof oiling devices provided in an embodiment of the present invention after installing oil vessel
Structural schematic diagram；
Fig. 5 is the cross-sectional view of Fig. 4；
Fig. 6 is the oiling schematic diagram of Fig. 4 shown device.
Figure label is schematically as follows: 1, oil vessel fixing seat；11, the oil outlet of oil vessel fixing seat；12, screw thread
Mouthful；13, nose cone；14, fastening assembly；141, arc fixed strip；142, fixed ear；143, fastening screw；15, aerial respiration
Device；2, explosion-proof chamber；21, upper encloser；211, oil guide groove；22, pedestal；221, threaded hole；3, explosion-proof channel of going rancid；31, it is explosion-proof walk
The oil inlet in oily channel；32, the oil outlet in explosion-proof channel of going rancid；4, piston cylinder；41, the oil inlet of piston cylinder；42, quantitative oiling
Chamber；43, filter screen；44, filter screen clamping cap；5, piston component；51, piston rod；52, piston；6, axle sleeve；61, upper copper sheathing；
62, lower copper sheathing；7, driven gear；8, driving gear；9, motor；91, output shaft；92, motor fixing seat；10, oil vessel；
101, lubricating oil；M1~M3, flameproof joint；W1~W2, flame proof thread.
Specific embodiment
Technical solution of the present invention is described in further detail below in conjunction with drawings and examples.
Embodiment
Incorporated by reference to shown in Fig. 1 and Fig. 2: a kind of IIC grades of explosion-proof oiling device provided in this embodiment, including oil vessel are solid
Reservation 1, explosion-proof chamber 2, explosion-proof go rancid channel 3 and piston cylinder 4 and piston component 5, the explosion-proof chamber 2 is by upper encloser 21 and pedestal
22 connect to be formed using flameproof joint M1；Explosion-proof channel 3 of going rancid is arranged in explosion-proof chamber 2, and top and 21 flame proof of upper encloser
It connects (that is: being connected using flameproof joint M2), it (is by pedestal in the present embodiment that lower part is connect with 22 flame proof of pedestal
Threaded hole 221 is set on 22, sets external screw thread in the explosion-proof lower part for going rancid channel 3, the explosion-proof lower part for going rancid channel 3 is made to be fixed on screw thread
In hole 221, and flame proof thread W1 connection is used between the two)；The oil inlet 31 and oil vessel fixing seat in explosion-proof channel of going rancid
Oil outlet 11 be connected, the oil outlet 32 in explosion-proof channel of going rancid is connected with the oil inlet 41 of piston cylinder；Also, constitute piston
51 head of piston rod of component 5 passes through pedestal 22 and is located in explosion-proof chamber 2, is connected with axle sleeve on piston rod 51 with flame proof thread W2
6 (that is: are equipped with internal screw thread, piston rod 51 is equipped with external screw thread, and the flame proof thread W2 that is threaded between the two connects in axle sleeve 6
Connect), it is socketed with driven gear 7 on the axle sleeve 6, the driving gear 8 for the connection that is meshed with the driven gear 7 is socketed in electricity
On the output shaft 91 of machine 9, it (is solid by setting motor in explosion-proof chamber 2 in the present embodiment that the motor 9, which is installed in explosion-proof chamber 2,
Reservation 92, the motor fixing seat 92 are fixed on 22 top of pedestal).
Please in conjunction with shown in Fig. 1 to Fig. 5: the center of the oil vessel fixing seat 1 be equipped with for 10 spiral shell of oil vessel
The screw thread mouth 12 of line connection is equipped with nose cone 13 in the bottom centre of the oil vessel fixing seat 1, and the oil vessel is fixed
The bottom of seat symmetrically offered centered on the nose cone 13 multiple fan-shaped oil outlets 11 (present embodiment illustrates 4, but
It is not limited to 4), the effect of the nose cone 13 can be punctured after oil vessel 10 is threadedly coupled in place with screw thread mouth 12
The seal of oil vessel 10, enables lubricating oil to flow out.It, can be in the top of screw thread mouth 12 in order to further consolidate oil vessel 10
Fastening assembly 14 is arranged, and (fastening assembly 14 described in the present embodiment is by two arc fixed strips 141 and fixed ear 142 and tight
Gu screw 143 forms).In order to guarantee that oiling is smooth, air respiratorresuscitator 15, institute can be set in the oil vessel fixing seat 1
It states air respiratorresuscitator 15 to be connected with the oil inlet 31 in explosion-proof channel of going rancid, to guarantee that interior external pressure is equal.
In addition, being equipped with oil guide groove 211, the bottom surface of the oil guide groove 211 and explosion-proof channel of going rancid at the top of upper encloser 21
Oil inlet 31 be connected, simultaneously imported into anti-in favor of collecting the lubricating oil that flows out from the oil outlet 11 of oil vessel fixing seat 1
In the oil inlet 31 in quick-fried channel of going rancid.Explosion-proof channel 3 of going rancid described in the present embodiment had both facilitated peace using the stud for being equipped with cavity
Dress and processing, and the connection that can be used for reinforcing between upper encloser 21 and pedestal 22 simultaneously.
The lower part of the piston cylinder 4 is equipped with quantitative oiling chamber 42, and the quantitative oiling chamber 42 is cylinder, and described quantitative
The internal diameter of oiling chamber 42 is adapted with the outer diameter of piston 52, and the piston cylinder bore above quantitative oiling chamber 42 is greater than piston 52
Outer diameter, to guarantee that the single down stroke of piston 52 is certain, the lubricants capacity being forced out is certain, to reach quantitative filling
Requirement so that filling metering method is very simple and accurate.Influence in order to avoid the impurity in lubricating oil to bearing, in institute
The oil outlet for stating piston cylinder 4 is additionally provided with filter screen 43 and filter screen clamping cap 44, to play a role in filtering.
The slide outside of the axle sleeve 6 is connected with upper copper sheathing 61 and lower copper sheathing 62, and it is solid that the upper copper sheathing 61 is fixed on motor
In reservation 92, the lower copper sheathing 62 is fixed on pedestal 22, and the joint face of lower copper sheathing 62 and pedestal 22 is flameproof joint M3,
The main function of the upper copper sheathing 61 and lower copper sheathing 62 is the abrasion for preventing axle sleeve 6.
Fig. 6 shows the schematic diagram using IIC grade of the present invention explosion-proof oiling device progress oiling, can be with by Fig. 6
Find out:, only need to will be in the oral area of oil vessel 10 be filled and oil vessel fixing seat 1 when needing to fill lubricating oil 101
Screw thread mouth 12 be threadedly coupled and (preferably, while using fastening assembly 14 to oil vessel 10 reinforce solid
It is fixed)；After oil vessel 10 is threadedly coupled in place with screw thread mouth 12, the seal of oil vessel 10 will be arranged on oil vessel
The nose cone 13 of 1 bottom centre of fixing seat punctures automatically, and then lubricating oil 101 is by the oil outlet by being provided with 13 side of nose cone
11 outflows, and be pooled in oil guide groove 211, and then flowed into and entered in piston cylinder 4 by the oil inlet 31 in explosion-proof channel of going rancid, work as work
After storing up full oil in plug cylinder 4, driving gear 8 is driven to rotate by starting motor 9, because of driven gear 7 and 8 company of being meshed of driving gear
It connects, therefore, when driving gear 8 rotates, the rotation of driven gear 7 can be driven, and driven gear 7 is to be fixed on axle sleeve 6, because
This can drive the rotation of axle sleeve 6, and due to being to be threadedly coupled between axle sleeve 6 and piston rod 51, so as to pass through the rotation of axle sleeve 6
It realizes the elevating movement of piston rod 51, and then does lifting or pushing movement with piston 52, realize the filling operation of lubricating oil.
Visible in summary: IIC grades of explosion-proof oiling device provided by the present invention can not only realize quantitative automatic oiling,
And there is explosion prevention function, and more oil change is convenient, is applicable to the online filling of various places, various lubricating oil, has
Conducive to the automatic maintenance for realizing slewing；Also, the explosion-proof oiling device of IIC grade also has structure simple, user
Just the advantages that；Therefore, the present invention compared with the existing technology, has marked improvement and industrial utility value.
It is last it is necessarily pointed out that: the foregoing is merely the preferable specific embodiment of the present invention, but the present invention
Protection scope be not limited thereto, anyone skilled in the art in the technical scope disclosed by the present invention,
Any changes or substitutions that can be easily thought of, should be covered by the protection scope of the present invention.
Claims (10)
1. a kind of IIC grades of explosion-proof oiling device, it is characterised in that: including oil vessel fixing seat, explosion-proof chamber, explosion-proof channel of going rancid
With piston cylinder and piston component, the explosion-proof chamber is to be connect to be formed using flameproof joint with pedestal by upper encloser；It is explosion-proof to go rancid
Channel is arranged in explosion-proof chamber, and top is connect with upper encloser flame proof, and lower part is connect with pedestal flame proof；Explosion-proof channel of going rancid into
Hydraulic fluid port is connected with the oil outlet of oil vessel fixing seat, and the oil outlet in explosion-proof channel of going rancid is connected with the oil inlet of piston cylinder
It is logical；Also, the piston rod head for constituting piston component passes through pedestal and is located in explosion-proof chamber, is connected on the piston rod with flame proof thread
There is axle sleeve, be socketed with driven gear on the axle sleeve, the driving gear for the connection that is meshed with the driven gear is socketed in electricity
On machine output shaft, the motor is installed in explosion-proof chamber.
2. IIC grades of explosion-proof oiling device according to claim 1, it is characterised in that: in the oil vessel fixing seat
The heart is equipped with the screw thread mouth for being threadedly coupled with oil vessel, is equipped with oil outlet in the bottom of the oil vessel fixing seat.
3. IIC grades of explosion-proof oiling device according to claim 2, it is characterised in that: in the oil vessel fixing seat
Bottom centre is equipped with nose cone, and the bottom of the oil vessel fixing seat symmetrically offers multiple fans centered on the nose cone
Shape oil outlet.
4. IIC grades of explosion-proof oiling device according to claim 2, it is characterised in that: be additionally provided with use above screw thread mouth
In the fastening assembly for reinforcing oil vessel.
5. IIC grades of explosion-proof oiling device according to claim 1, it is characterised in that: in the oil vessel fixing seat
Equipped with air respiratorresuscitator, the air respiratorresuscitator is connected with the oil inlet in explosion-proof channel of going rancid.
6. IIC grades of explosion-proof oiling device according to claim 1, it is characterised in that: be equipped with Oil Guide at the top of upper encloser
Slot, the bottom surface of the oil guide groove are connected with the oil inlet in explosion-proof channel of going rancid.
7. IIC grades of explosion-proof oiling device according to claim 1, it is characterised in that: it is described it is explosion-proof go rancid channel be equipped with
The stud of cavity.
8. IIC grades of explosion-proof oiling device according to claim 1, it is characterised in that: the lower part of the piston cylinder is equipped with fixed
Oiling chamber is measured, the quantitative oiling chamber is cylinder, and the internal diameter of the quantitative oiling chamber is adapted with piston external diameter, and it is fixed to be located at
It measures the piston cylinder bore above oiling chamber and is greater than piston external diameter.
9. the explosion-proof oiling device of IIC grade according to claim 1 or 8, it is characterised in that: the oil outlet of the piston cylinder is set
There are filter screen and filter screen clamping cap.
10. IIC grades of explosion-proof oiling device according to claim 1, it is characterised in that: slidably connected outside the axle sleeve
Copper sheathing and lower copper sheathing, the upper copper sheathing are fixed in motor fixing seat, and the lower copper sheathing is fixed on the base, and lower copper sheathing and bottom
The joint face of seat is flameproof joint.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811008272.0A CN108953958A (en) | 2018-08-31 | 2018-08-31 | A kind of IIC grades of explosion-proof oiling device |
| PCT/CN2019/070462 WO2020042520A1 (en) | 2018-08-31 | 2019-01-04 | Iic-level explosion-proof oil injection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811008272.0A CN108953958A (en) | 2018-08-31 | 2018-08-31 | A kind of IIC grades of explosion-proof oiling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108953958A true CN108953958A (en) | 2018-12-07 |
Family
ID=64475077
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811008272.0A Withdrawn CN108953958A (en) | 2018-08-31 | 2018-08-31 | A kind of IIC grades of explosion-proof oiling device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN108953958A (en) |
| WO (1) | WO2020042520A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020042520A1 (en) * | 2018-08-31 | 2020-03-05 | 上海旗升电气股份有限公司 | Iic-level explosion-proof oil injection device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2424422A1 (en) * | 1978-04-28 | 1979-11-23 | Ervor Compresseurs | High pressure lubrication pump - has air-actuated piston movable against spring to operate non-return valves |
| JP2000110711A (en) * | 1998-08-07 | 2000-04-18 | Nsk Ltd | Lubricating device |
| CN2854291Y (en) * | 2005-12-31 | 2007-01-03 | 余潇箫 | Automatic oiling device for lubricating oil |
| CN201964130U (en) * | 2011-03-20 | 2011-09-07 | 韦耿 | Automatic oil filling equipment |
| CN205226845U (en) * | 2015-11-09 | 2016-05-11 | 中石化石油工程技术服务有限公司 | Automatic oiling device |
| CN205640183U (en) * | 2016-03-31 | 2016-10-12 | 张巍 | Lubricated complete sets of construction elevator butter |
| CN208886355U (en) * | 2018-08-31 | 2019-05-21 | 上海旗升电气股份有限公司 | A kind of IIC grades of explosion-proof oiling device |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101546379B1 (en) * | 2014-03-07 | 2015-08-21 | 주식회사 케이엘티 | Oil injection device |
| CN108953958A (en) * | 2018-08-31 | 2018-12-07 | 上海旗升电气股份有限公司 | A kind of IIC grades of explosion-proof oiling device |
| CN108964362B (en) * | 2018-09-06 | 2023-12-22 | 浙江中控慧机科技有限公司 | Intelligent motor capable of realizing on-line self-monitoring and self-maintenance |
| CN109038971B (en) * | 2018-09-06 | 2023-12-22 | 浙江中控慧机科技有限公司 | Motor capable of realizing on-line self-maintenance |
-
2018
- 2018-08-31 CN CN201811008272.0A patent/CN108953958A/en not_active Withdrawn
-
2019
- 2019-01-04 WO PCT/CN2019/070462 patent/WO2020042520A1/en active Application Filing
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2424422A1 (en) * | 1978-04-28 | 1979-11-23 | Ervor Compresseurs | High pressure lubrication pump - has air-actuated piston movable against spring to operate non-return valves |
| JP2000110711A (en) * | 1998-08-07 | 2000-04-18 | Nsk Ltd | Lubricating device |
| CN2854291Y (en) * | 2005-12-31 | 2007-01-03 | 余潇箫 | Automatic oiling device for lubricating oil |
| CN201964130U (en) * | 2011-03-20 | 2011-09-07 | 韦耿 | Automatic oil filling equipment |
| CN205226845U (en) * | 2015-11-09 | 2016-05-11 | 中石化石油工程技术服务有限公司 | Automatic oiling device |
| CN205640183U (en) * | 2016-03-31 | 2016-10-12 | 张巍 | Lubricated complete sets of construction elevator butter |
| CN208886355U (en) * | 2018-08-31 | 2019-05-21 | 上海旗升电气股份有限公司 | A kind of IIC grades of explosion-proof oiling device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020042520A1 (en) * | 2018-08-31 | 2020-03-05 | 上海旗升电气股份有限公司 | Iic-level explosion-proof oil injection device |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2020042520A1 (en) | 2020-03-05 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181207 |