CN105042310A - Rotating machine - Google Patents

Rotating machine Download PDF

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Publication number
CN105042310A
CN105042310A CN201510214203.5A CN201510214203A CN105042310A CN 105042310 A CN105042310 A CN 105042310A CN 201510214203 A CN201510214203 A CN 201510214203A CN 105042310 A CN105042310 A CN 105042310A
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CN
China
Prior art keywords
grease
lubricating grease
rotating machine
electric rotating
tube
Prior art date
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Granted
Application number
CN201510214203.5A
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Chinese (zh)
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CN105042310B (en
Inventor
山崎隆
山野启太
行实美治
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Toshiba Mitsubishi Electric Industrial Systems Corp
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Toshiba Mitsubishi Electric Industrial Systems Corp
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Publication of CN105042310A publication Critical patent/CN105042310A/en
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Publication of CN105042310B publication Critical patent/CN105042310B/en
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Abstract

A rotating machine for improving lubricating grease supply device is provided. The lubricating grease supply device is improved to provide a rotary motor capable of preventing water from entering the interior of the water under the condition of water flooding. The rotary electric machine is provided with an external and a lubricating grease supply device (25) which is arranged on the main body (11) of the rotating electric machine (18). The lubricating grease supply device (25) comprises a lubricating grease pipe (26) communicated with the lubricating part (18). The grease tube (26) with the outer ends of the through pipe (27a) of the sleeve (27) connection. The shroud (27) is connected with the oil port installed base (28), the fuel feed port installation seat (28) formed a concave space (28b), on the other end of the mounting holes (28a) in the end and the through pipe (27a) connected to the on the bottom surface of the concave space (28b) openings. A grease injection nozzle (29) is incorporated in the recess space (28b) with a mounting hole (28a). The recess space (28b) is sealed by the cover body (31) through the sealing member (30).

Description

Electric rotating machine
Technical field
Embodiments of the present invention relate to the electric rotating machine improved lubricating grease supplier.
Background technique
In the electric rotating machine such as generator or motor, be provided with the part (hereinafter referred to as lubrication portion) of the needs lubrication as bearing in electric rotating machine body interior.In addition, in the electric rotating machine be connected with the machine contacting flowing water etc., have possess for prevent water from immersing electric rotating machine body interior and establish, inner opposite outer is carried out the structure that seals.For the electric rotating machine of this kind of structure, similarly, regularly lubricating grease need be supplied to the lubrication portion of inside, and from the outside being located at electric rotating machine main body and the lubricating grease supplier communicated with the lubrication portion of inside carries out lubricating grease supply.In this case, make lubricating grease supply equipment to be connected with the grease coupler on the lubricating grease supplier being located at electric rotating machine body exterior, utilize this lubricating grease to supply equipment and by grease coupler, lubricating grease is pressed into (such as with reference to Japanese Patent Laid-Open 2002-138940 publication)
As everyone knows, above-mentioned grease coupler has so-called check valve structure, therefore, there is breakdown action when being pressed into lubricating grease when connecting lubricating grease supply equipment, then under spring force return action occurring when removing lubricating grease supply equipment and being back to closed state.Therefore, at dismounting lubricating grease supply equipment under normal circumstances, for outside, be in closed state, the intrusion of dust or water droplet etc. can be prevented for this reason.
Though above-mentioned electric rotating machine can prevent the intrusion of dust or water droplet etc. under normal conditions, but when electric rotating machine being flooded when running into certain situation, grease coupler is opened because of the hydraulic pressure of surrounding, and the water that thus surrounding occurs sometimes invades the situation of electric rotating machine inside from grease coupler.Once there is this water to immerse inner situation, even if after water is retreated, this electric rotating machine also cannot employ.
Summary of the invention
The present invention wishes that the technical problem solved is, even if provide a kind of water that also can prevent under water logging state to immerse inner electric rotating machine by improving lubricating grease supplier.
The electric rotating machine of embodiment of the present invention possesses the outside being arranged at electric rotating machine main body, the lubricating grease supplier lubrication portion of described electric rotating machine body interior being supplied to lubricating grease, it is characterized in that, described lubricating grease supplier comprises: grease tube, be interlinked to the outside in this grease tube and described electric rotating machine main body, its inner end communicates with described lubrication portion; Pipe box, this pipe box is connected with the outer end of above-mentioned grease tube, has the straight through tube that one end and this grease tube are connected; Oil-feed port fitting seat, this oil-feed port fitting seat is connected with above-mentioned pipe box, the mounting hole that the other end with one end and described straight through tube is connected, and the recess space of the other end being formed with this mounting hole opening on its bottom surface; Grease coupler, this grease coupler is connected with the other end opening of described mounting hole, is accommodated in described recess space; And lid, the described recess space-closed of the above-mentioned grease coupler of storage is become liquid sealing by Sealing by this lid.
According to embodiments of the present invention, even if under water logging state, also electric rotating machine body interior can be invaded from lubricating grease supplier by anti-sealing.
Accompanying drawing explanation
Fig. 1 is the partial sectional view of the electric rotating machine representing an embodiment of the present invention.
Fig. 2 is the figure of the structure for illustration of the lubricating grease supplier shown in Fig. 1.
Embodiment
Below, with reference to accompanying drawing, embodiments of the present invention are described in detail.
Fig. 1 represents the electric rotating machine of this mode of execution.Electric rotating machine main body 11 is provided with cylindric stator core 13 integratedly in the framework 12 of its cylindrical shape, is provided with in the inner peripheral portion of this stator core 13 rotor core 15 be integrated with rotating shaft 14 one-tenth in the mode that can rotate freely.Rotating shaft 14 is the through bearing bracket 17 being located at the both ends of the surface of cylindric framework 12 respectively, is subject to the supporting of the bearing 18 being located at these bearing bracket 17 and can rotates freely.Rotating shaft 14 is provided with fan inside 20 and external fan 21, is cooled to the air-supply of framework 12 inside/outside by the rotation of rotating shaft 14.In addition, external fan 21 is provided with to the fan guard 22 surrounded.In addition, in the figure of electric rotating machine main body 11, right upper portion is provided with terminal box 23, for connecting outside not shown cable.
For above-mentioned portion such as bearing 18 lubrication such as grade, at the outer installment lubricating grease supplier 25 of electric rotating machine main body 11, the bearing 18 to the lubrication portion as electric rotating machine main body 11 inside supplies lubricating grease.In Fig. 1, corresponding to the bearing 18 of left and right, two, left and right is also arranged to by lubricating grease supplier 25.In addition, because of terminal box 23 side of being located thereon, the lubricating grease supplier 25 on the right side of in figure is to the front side 90-degree bent of accompanying drawing paper.
As shown in Figure 2, lubricating grease supplier 25 is made up of grease tube 26, pipe box 27, oil-feed port fitting seat 28, grease coupler 29 and the lid 31 that possesses Sealing 30.In addition, as shown in Figure 1, on this lubricating grease supplier 25, the lubricating grease exhaust port 32 of discharging from bearing 18 for supplying lubricating grease is provided with in the lower, outer perimeter of electric rotating machine main body 11.This lubricating grease exhaust port 32 is closed by the lid of band Sealing under normal conditions.
Grease tube 26 is located to make to be interlinked to the outside in electric rotating machine main body 11 on bearing bracket 17, and its inner end (in figure underpart) is communicated with the bearing 18 as lubrication portion by oil supply pipeline 26a.On the outer end (in figure upper end portion) of this grease tube 26, worm structure is utilized to be connected to pipe box 27.This pipe box 27 has the straight through tube 27a that one end (in figure lower end) is connected with this grease tube 26.
Oil-feed port fitting seat 28 utilizes worm structure to be connected with the other end (in figure upper end) of the straight through tube 27a be formed in pipe box 27.Further, this oil-feed port fitting seat 28 has the mounting hole 28a connected with the other end of above-mentioned straight through tube 27a.And then be formed with recess space 28b on this oil-feed port fitting seat 28, this recess space 28b has the bottom surface of above-mentioned mounting hole 28a opening thereon.Grease coupler 29 is connected with the mounting hole 28a of this oil-feed port fitting seat 28, is accommodated in above-mentioned recess space 28b.Lid 31 is fixed on the open surface (in figure upper surface) of the recess space 28b of storage grease coupler 29 by screw by Sealing 30, the recess space 28b of storage grease coupler 29 is closed into liquid sealing.
In said structure, under normal conditions, the open surface of the oil-feed port fitting seat 28 of lubricating grease supplier 25 is closed by lid 31 by Sealing 30, and dust or moisture can not invade the inside of electric rotating machine main body 11 from lubricating grease supplier 25.Under this state, electric rotating machine continuous running, when running into lubricating grease and supplying period, removes the lid 31 of lubricating grease supplier 25, the grease coupler 29 in the 28b of recess space and not shown lubricating grease is supplied to equip be connected and be pressed into by lubricating grease.
By this operation, grease coupler 29 is open, and lubricating grease is supplied to the bearing 18 as the lubrication portion in electric rotating machine main body 11.Now, lubricating grease exhaust port 32 is opened because lid removes, and therefore, the old lubricating grease in bearing 18 is extruded, and discharges to electric rotating machine main body 11 from lubricating grease exhaust port 32.
When the supply operation of lubricating grease completes, lubricating grease supply equipment is taken off from grease coupler 29, lid 31 is utilized to be closed by the open surface of Sealing 30 by the oil-feed port fitting seat 28 of lubricating grease supplier 25, lubricating grease exhaust port 32 is also closed simultaneously, return back to common operating condition.
When this common operating condition, raining heavily likely to run in certain situation such as causes rainwater to invade arranging causing seawater to invade in the building of electric rotating machine, because of tsunami etc. and makes electric rotating machine main body 11 by water logging.Run into this situation, for existing apparatus, exist and make water invade the possibility of electric rotating machine main body 11 from grease coupler 29 part because of the hydraulic pressure of surrounding.
But, according to the electric rotating machine of this mode of execution, the grease coupler 29 of the reason becoming water immersion electric rotating machine main body 11 is accommodated in the recess space 28b of oil-feed port fitting seat 28, utilize lid 31, by Sealing 30, the open surface of recess space 28b is closed into liquid sealing, therefore, the surrounding of grease coupler 29 is in and the state of being isolated by the aqueous phase of the surrounding of the electric rotating machine main body 11 of water logging.Thus, the water that can not occur as existing apparatus invades the situation in electric rotating machine main body 11 from grease coupler 29 part, even if suffer water logging, this electric rotating machine can be made after water is decorporated again to operate.
Above embodiments of the present invention are illustrated, but this mode of execution is the example of carrying out as an example, there is not the intention limited scope of invention.The mode of execution of this novelty can be implemented in other various mode, in the scope of main idea not surmounting invention, can do various omission, replacement and change.Present embodiment and distortion thereof are contained in scope of invention and main thought, and, be contained in claims record invention and identical scope in.

Claims (1)

1. an electric rotating machine, possesses lubricating grease supplier, and this lubricating grease supplier is arranged at the outside of electric rotating machine main body, to the lubrication portion supply lubricating grease of described electric rotating machine body interior, it is characterized in that,
Described lubricating grease supplier comprises:
Grease tube, be interlinked to the outside in this grease tube and described electric rotating machine main body, its inner end communicates with described lubrication portion;
Pipe box, this pipe box is connected with the outer end of described grease tube, has the straight through tube that one end and this grease tube are connected;
Oil-feed port fitting seat, this oil-feed port fitting seat is connected with described pipe box, the mounting hole that the other end with one end and described straight through tube is connected, and is formed with recess space, the bottom surface upper shed of the other end in recess space of described mounting hole;
Grease coupler, this grease coupler is connected with the other end opening of described mounting hole, is accommodated in described recess space; And
Lid, the described recess space-closed of the described grease coupler of storage is become liquid sealing by Sealing by this lid.
CN201510214203.5A 2014-05-01 2015-04-29 Electric rotating machine Active CN105042310B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2014094579A JP6129111B2 (en) 2014-05-01 2014-05-01 Rotating electric machine
JP2014-094579 2014-05-01

Publications (2)

Publication Number Publication Date
CN105042310A true CN105042310A (en) 2015-11-11
CN105042310B CN105042310B (en) 2017-08-22

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109160479A (en) * 2018-10-29 2019-01-08 上海应用技术大学 A kind of automatic sensing refueling device
CN111934483A (en) * 2019-05-13 2020-11-13 东芝三菱电机产业系统株式会社 Bearing structure and rotating electrical machine

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018014786A (en) * 2016-07-19 2018-01-25 ファナック株式会社 Electric motor with power generation and power supply function at coil end part
CN111336542B (en) * 2019-12-12 2021-07-20 中国人民解放军空军工程大学 Multi-channel igniter with variable arc length

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US3391952A (en) * 1963-11-04 1968-07-09 Gen Motors Corp Lubricant purging sealed ball joint assembly
CN2083682U (en) * 1990-12-23 1991-08-28 浙江省苍南仪表厂 Pressure oil nipple
CN2310375Y (en) * 1997-09-15 1999-03-10 刘之凡 Oil-filling hole sealing device for electric power capacitor
JP2002138940A (en) * 2000-11-01 2002-05-17 Kubota Corp Inline type pump-reversing hydraulic turbine
CN1592041A (en) * 2003-08-25 2005-03-09 阿斯莫株式会社 Casing structure and motor
CN201462358U (en) * 2009-07-08 2010-05-12 南阳防爆集团股份有限公司 Low-voltage motor bearing oil filling and discharging device
CN203423560U (en) * 2013-07-25 2014-02-05 盘锦辽河胜利电泵有限公司 Duplex joint for oil-submerged electric pump motor protector

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Publication number Priority date Publication date Assignee Title
JPS5751895U (en) * 1980-09-11 1982-03-25
JPH0923607A (en) * 1995-07-06 1997-01-21 Toshiba Corp Bearing
JP2008095775A (en) * 2006-10-10 2008-04-24 Shin Caterpillar Mitsubishi Ltd Grease nipple protecting device

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3391952A (en) * 1963-11-04 1968-07-09 Gen Motors Corp Lubricant purging sealed ball joint assembly
CN2083682U (en) * 1990-12-23 1991-08-28 浙江省苍南仪表厂 Pressure oil nipple
CN2310375Y (en) * 1997-09-15 1999-03-10 刘之凡 Oil-filling hole sealing device for electric power capacitor
JP2002138940A (en) * 2000-11-01 2002-05-17 Kubota Corp Inline type pump-reversing hydraulic turbine
CN1592041A (en) * 2003-08-25 2005-03-09 阿斯莫株式会社 Casing structure and motor
CN201462358U (en) * 2009-07-08 2010-05-12 南阳防爆集团股份有限公司 Low-voltage motor bearing oil filling and discharging device
CN203423560U (en) * 2013-07-25 2014-02-05 盘锦辽河胜利电泵有限公司 Duplex joint for oil-submerged electric pump motor protector

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109160479A (en) * 2018-10-29 2019-01-08 上海应用技术大学 A kind of automatic sensing refueling device
CN111934483A (en) * 2019-05-13 2020-11-13 东芝三菱电机产业系统株式会社 Bearing structure and rotating electrical machine

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Publication number Publication date
JP6129111B2 (en) 2017-05-17
JP2015213383A (en) 2015-11-26
CN105042310B (en) 2017-08-22

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