CN105217424A - Elevator traction machine - Google Patents
Elevator traction machine Download PDFInfo
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- CN105217424A CN105217424A CN201510671629.3A CN201510671629A CN105217424A CN 105217424 A CN105217424 A CN 105217424A CN 201510671629 A CN201510671629 A CN 201510671629A CN 105217424 A CN105217424 A CN 105217424A
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- oil
- stator
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- pressure relief
- sleeve
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Abstract
The invention discloses a kind of elevator traction machine, its drip irrigation device is, comprise rotor, with the stator that the external world is fixing, rotor comprises the traction sheave be wholely set, rotor is equipped with rotating shaft, rear sealed bearings is provided with between rotating shaft and stator, open-type bearing between rotor and stator, oil sealing sealing is passed through in open-type bearing both sides, stator is opened and is communicated with open-type bearing oil pocket and extraneous first passage, the check valve injecting oil pocket for grease is provided with in institute's first passage, also second channel is provided with in stator, one end of second channel is communicated with open-type bearing oil pocket, the other end is communicated with first passage, the opening that first passage is in communication with the outside has been threaded connection pressure relief mechanism, think that two openings of oil inlet and oil discharge pipe are merged into an opening by former, reduce open amount, pressure relief mechanism can be utilized automatically the pressure of oil pocket inside and waste gas waste oil to be laid down simultaneously.
Description
Technical field
The present invention relates to a kind of electrical equipment, more particularly, it relates to a kind of elevator traction machine.
Background technology
Towing machine is the power supplying apparatus of motor lifting, lift car can be driven to move up and down, guarantee the realization of elevator functions.Present towing machine is all utilize the structure of motor to carry out producing power mostly, stator on towing machine is fixed on above the fixed sturctures such as metope, coil after energising on stator utilizes galvanomagnetic effect to drive the magnetic links above rotor to move, thus the positive and negative rotation of rotor driven.
Owing to there is relative motion between rotor and stator, therefore rotor has a rotating shaft, rotor can be that axis rotates with rotating shaft, therefore can be arranged with bearing above rotating shaft and rotor, for realizing the stable rotation of rotor.
Rotating shaft is by being installed in stator without sealed bearings and rear bearing; stator can be provided with oil inlet passage usually; it is communicated with the oil pocket without sealed bearings; and oil drain passage is communicated with the oil pocket without sealed bearings; plug cock is provided with in oil drain passage; plug cock only just can be opened when towing machine is shut down, and under towing machine mode of operation, plug cock must keep the shutoff to oil drain passage.By oil inlet passage toward open-type bearing oil pocket extruding lipid lubricant.If lubricant is contaminated when needing to change, only has shutdown to open plug cock and just can discharge lipid lubricant.
In the middle of actual use procedure, sometimes user is toward when clamp-oning more grease without sealed bearings oil pocket, owing to expanding with heat and contract with cold, oil pocket without sealed bearings will can not contain any more grease, in operation process a part of grease fluidization or aerify after, cause oil pocket internal pressure to increase, time greatly to certain numerical value, must find the relative thin weakness closed without sealed bearings oil circuit, then leakage of oil pressure release, causes elevator to have an accident.
And chargine line, outlet line two pipelines separately, stator has usually two openings, carries out different operations, cause the passage offered in stator too much so comparatively speaking, cannot accomplish to simplify.
Summary of the invention
For the deficiency that prior art exists, the object of the present invention is to provide a kind of elevator traction machine, think that two openings of oil inlet and oil discharge pipe are merged into an opening by former, reduce open amount, pressure relief mechanism can be utilized automatically the pressure of oil pocket inside and waste gas waste oil to be laid down simultaneously.
For achieving the above object, the invention provides following technical scheme: a kind of elevator traction machine, comprise rotor, with the stator that the external world is fixing, described rotor comprises the traction sheave be wholely set, described rotor is equipped with rotating shaft, rear sealed bearings is provided with between described rotating shaft and described stator, open-type bearing between described rotor and described stator, oil sealing sealing is passed through in described open-type bearing both sides, described stator is opened and is communicated with open-type bearing oil pocket and extraneous first passage, the check valve injecting oil pocket for grease is provided with in institute's first passage, also second channel is provided with in described stator, one end of described second channel is communicated with open-type bearing oil pocket, the other end is communicated with first passage, the opening that described first passage is in communication with the outside is positioned at inside stator and opening inwall is provided with negative thread, the opening that first passage is in communication with the outside has been threaded connection pressure relief mechanism.
The present invention is set to further: described pressure relief mechanism comprises the sleeve of hollow, described sleeve is fixed on first passage inwall by screw thread, the slide block slided along sleeve lining is provided with in described sleeve, described slide block coordinates with the inner wall sealing of sleeve, described slide block is connected with the retracing spring driving slide block to reset, described sleeve offers pressure relief opening, described pressure relief opening is connected with the oil-collecting part for reclaiming fluid, the position of described pressure relief opening meets following condition: slide block is not under pressure condition, and pressure relief opening seals by the position residing for slide block.
The present invention is set to further: described oil-collecting part comprises oil storage barrel, and oil storage barrel is provided with deflation hole, connection pipe, and described connection pipe is communicated with pressure relief opening and oil storage barrel.
The present invention is set to further: described connection pipe is connected by pagoda joint with pressure relief opening inwall.
The present invention is set to further: be also provided with regulating plate in described sleeve, described sleeve is equipped with adjustment screw mandrel, described adjustment screw mandrel one end is connected with described regulating plate, and the other end is positioned at outside sleeve, described retracing spring one end is fixedly connected with described regulating plate, and the other end is fixedly connected with slide block.
Compared with prior art, the invention has the advantages that, think that two openings of oil inlet and oil discharge pipe are merged into an opening by former, time usual elevator traction machine uses, the position of opening is all add the pressure relief mechanism for pressure release, and when by the time needing to add lubricating oil, only need pressure relief mechanism to disassemble, oil nozzle is selected into by screw thread and again lubricating oil is injected oil pocket by first passage.By the design of pressure relief mechanism, oil pocket internal pressure can be worked as when reaching certain, slider displacement is larger, pressure relief opening comes out, the fluid of such vaporization, liquefaction has just suffered along with pressure relief opening enters oil-collecting part, after completing pressure release, slide block can block pressure relief opening by return, prevents introduced contaminants from entering oil pocket.
Accompanying drawing explanation
Fig. 1 is the constructional drawing of elevator traction machine embodiment of the present invention;
Fig. 2 is the local structural graph that figure elevator traction machine embodiment of the present invention installs oil nozzle;
Fig. 3 is the enlarged drawing at I place in Fig. 2.
Reference numeral: 1, rotor; 2, stator; 21, traction sheave; 22, rotating shaft; 23, rear sealed bearings; 24, open-type bearing; 3, first passage; 31, check valve; 32, negative thread; 4, second channel; 51, sleeve; 511, pressure relief opening; 52, slide block; 53, regulating plate; 54, retracing spring; 55, screw mandrel; 6, oil storage barrel; 61, connection pipe; 62, deflation hole; 7, oil nozzle.
Detailed description of the invention
Referring to figs. 1 through Fig. 3, elevator traction machine embodiment of the present invention is described further.
A kind of elevator traction machine, comprise rotor 1, the stator 2 fixing with the external world, described rotor 1 comprises the traction sheave 21 be wholely set, and described rotor 1 is equipped with rotating shaft 22, and rotating shaft 22 is fixed on rotor 1, and its rotating shaft 22 links with rotor 1.Rotating shaft 22 one end is fixed on rotor 1, on the other end, cover has rear sealed bearings 23, rear sealed bearings 23 is between described rotating shaft 22 and described stator 2, open-type bearing 24 between described rotor 1 and described stator 2, oil sealing sealing is passed through in described open-type bearing 24 both sides, ensure that, in the process of rotating, inner lubricating oil can not throw away.By making of rear sealed bearings 23 and open-type bearing 24, make the central rotational that rotor 1 can be stable.
As shown in Figure 1, described stator 2 is opened and is communicated with open-type bearing 24 oil pocket and extraneous first passage 33, be provided with the check valve 31 injecting oil pocket for grease in institute's first passage 33, the position of check valve 31 is in darker the inside.Also be provided with second channel 4 in described stator 2, one end of described second channel 4 is communicated with open-type bearing 24 oil pocket, and the other end is communicated with first passage 33.First passage 3 and second channel 4 are all opened in the bottom of rotor 1, facilitate draining.
The opening that described first passage 3 is in communication with the outside is positioned at inside stator 2 and opening inwall is provided with negative thread 32, and the opening being positioned at inner side can be convenient for people to directly toward bearing injection lubricating grease.It is deep that negative thread 32 is offered, and second channel 4 communication port be connected in first passage 3 is positioned on negative thread 32.
As shown in Figure 2, when injecting grease in bearing, that oil nozzle 7 can be twisted is comparatively deep, and second channel 4 directly seals up by oil nozzle 7, and grease can not enter disappointing that second channel 4 causes second channel 4 follow-up and have some setbacks.When oiling, grease is injected in oil pocket by check valve 31.Because first passage 3 is in oiling process, easily occur that grease sticks in vias inner walls, the disappointing effect of impact, coordinates check valve 31, and the fluid of vaporization liquefaction is merely able to be released by second channel 4.
The opening that first passage 3 is in communication with the outside has been threaded connection pressure relief mechanism.Described pressure relief mechanism comprises the sleeve 51 of hollow, described sleeve 51 is fixed on first passage 3 inwall by screw thread, sleeve 51 shape as shown in the figure, the slide block 52 slided along sleeve 51 inwall is provided with in described sleeve 51, described slide block 52 coordinates with the inner wall sealing of sleeve 51, described slide block 52 is connected with the retracing spring 54 driving slide block 52 to reset, described sleeve 51 offers pressure relief opening 511.When open-type bearing 24 normally works, bearing internal pressure is stablized, slide block 52 is subject to the Spring balanced of pressure in oil pocket and retracing spring 54, pressure relief opening 511 is blocked, when oil pocket internal pressure reaches enough, make slide block 52 displacement, be separated with pressure relief opening 511, pressure in such bearing, fluid are just laid down, and slide block 52 comes back to state of equilibrium.
Oil-collecting part comprises oil storage barrel 6, and oil storage barrel 6 is provided with deflation hole 62, connection pipe 61, and described connection pipe 61 is communicated with pressure relief opening 511 and oil storage barrel 6.Wherein, as shown in Figure 3, described connection pipe 61 is connected by pagoda joint with pressure relief opening 511 inwall.Oil storage barrel 6, for collecting waste oil, prevents its contaminated equipment, time pagoda joint design makes to install and is contained on pressure relief opening 511 by oil storage barrel 6, very quick and convenient, direct insertion just can, and clamping is comparatively stable, when extracting, only need to pull out just can.Deflation hole 62 is communicated with inside and outside for oil storage barrel 6, and some oil gas etc. can directly be drained, and reach the object of pressure release.
Wherein, be also provided with regulating plate 53 in described sleeve 51, described sleeve 51 is equipped with and regulates screw mandrel 55, described adjustment screw mandrel 55 one end is connected with described regulating plate 53, and the other end is positioned at sleeve 51 outward and be provided with Handheld Division above.Described retracing spring 54 one end and described regulating plate 53 are fixedly connected by welding, and the other end and slide block 52 are fixedly connected by welding.
Different ultimate pressures is easily produced when use different oils, also have when spring force fatigue time, turn screw mandrel 55 by screw mandrel 55, regulate the position of regulating plate 53, thus the position of adjusting slider 52, reach the effect regulating pressure relief mechanism ultimate pressure.
The above is only the preferred embodiment of the present invention, protection scope of the present invention be not only confined to above-described embodiment, and all technical schemes belonged under thinking of the present invention all belong to protection scope of the present invention.It should be pointed out that for those skilled in the art, some improvements and modifications without departing from the principles of the present invention, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (5)
1. an elevator traction machine, comprise rotor, with the stator that the external world is fixing, described rotor comprises the traction sheave be wholely set, described rotor is equipped with rotating shaft, rear sealed bearings is provided with between described rotating shaft and described stator, open-type bearing between described rotor and described stator, oil sealing sealing is passed through in described open-type bearing both sides, it is characterized in that: described stator is opened and is communicated with open-type bearing oil pocket and extraneous first passage, the check valve injecting oil pocket for grease is provided with in institute's first passage, also second channel is provided with in described stator, one end of described second channel is communicated with open-type bearing oil pocket, the other end is communicated with first passage, the opening that described first passage is in communication with the outside is positioned at inside stator and opening inwall is provided with negative thread, the opening that first passage is in communication with the outside has been threaded connection pressure relief mechanism.
2. elevator traction machine according to claim 1, it is characterized in that: described pressure relief mechanism comprises the sleeve of hollow, described sleeve is fixed on first passage inwall by screw thread, the slide block slided along sleeve lining is provided with in described sleeve, described slide block coordinates with the inner wall sealing of sleeve, described slide block is connected with the retracing spring driving slide block to reset, described sleeve offers pressure relief opening, described pressure relief opening is connected with the oil-collecting part for reclaiming fluid, the position of described pressure relief opening meets following condition: slide block is not under pressure condition, pressure relief opening seals by the position residing for slide block.
3. elevator traction machine according to claim 2, is characterized in that: described oil-collecting part comprises oil storage barrel, and oil storage barrel is provided with deflation hole, connection pipe, and described connection pipe is communicated with pressure relief opening and oil storage barrel.
4. elevator traction machine according to claim 3, is characterized in that: described connection pipe is connected by pagoda joint with pressure relief opening inwall.
5. elevator traction machine according to claim 2, it is characterized in that: in described sleeve, be also provided with regulating plate, described sleeve is equipped with adjustment screw mandrel, described adjustment screw mandrel one end is connected with described regulating plate, the other end is positioned at outside sleeve, described retracing spring one end is fixedly connected with described regulating plate, and the other end is fixedly connected with slide block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510671629.3A CN105217424B (en) | 2015-10-16 | 2015-10-16 | Elevator traction machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510671629.3A CN105217424B (en) | 2015-10-16 | 2015-10-16 | Elevator traction machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105217424A true CN105217424A (en) | 2016-01-06 |
| CN105217424B CN105217424B (en) | 2017-06-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510671629.3A Active CN105217424B (en) | 2015-10-16 | 2015-10-16 | Elevator traction machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109502464A (en) * | 2018-12-20 | 2019-03-22 | 杭州斯沃德电梯有限公司 | A kind of main drive of escalator |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08296637A (en) * | 1995-04-26 | 1996-11-12 | Meidensha Corp | Bearing of rotating machine |
| JPH09178085A (en) * | 1995-12-26 | 1997-07-11 | Nippon Seiko Kk | Oil air lubrication construction |
| JPH10175102A (en) * | 1996-12-17 | 1998-06-30 | Ntn Corp | Spindle bearing device |
| JP2010106986A (en) * | 2008-10-31 | 2010-05-13 | Jfe Steel Corp | Device for holding internal pressure of bearing box |
| CN102730524A (en) * | 2012-06-29 | 2012-10-17 | 佛山市顺德区金泰德胜电机有限公司 | Tractor |
| CN202594584U (en) * | 2012-06-09 | 2012-12-12 | 西尼电梯(杭州)有限公司 | Permanent magnet synchronous traction machine |
-
2015
- 2015-10-16 CN CN201510671629.3A patent/CN105217424B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08296637A (en) * | 1995-04-26 | 1996-11-12 | Meidensha Corp | Bearing of rotating machine |
| JPH09178085A (en) * | 1995-12-26 | 1997-07-11 | Nippon Seiko Kk | Oil air lubrication construction |
| JPH10175102A (en) * | 1996-12-17 | 1998-06-30 | Ntn Corp | Spindle bearing device |
| JP2010106986A (en) * | 2008-10-31 | 2010-05-13 | Jfe Steel Corp | Device for holding internal pressure of bearing box |
| CN202594584U (en) * | 2012-06-09 | 2012-12-12 | 西尼电梯(杭州)有限公司 | Permanent magnet synchronous traction machine |
| CN102730524A (en) * | 2012-06-29 | 2012-10-17 | 佛山市顺德区金泰德胜电机有限公司 | Tractor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109502464A (en) * | 2018-12-20 | 2019-03-22 | 杭州斯沃德电梯有限公司 | A kind of main drive of escalator |
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| Publication number | Publication date |
|---|---|
| CN105217424B (en) | 2017-06-27 |
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