CN108313860A - The bearing lubrication structure of escalator main drive shaft device - Google Patents
The bearing lubrication structure of escalator main drive shaft device Download PDFInfo
- Publication number
- CN108313860A CN108313860A CN201810270155.5A CN201810270155A CN108313860A CN 108313860 A CN108313860 A CN 108313860A CN 201810270155 A CN201810270155 A CN 201810270155A CN 108313860 A CN108313860 A CN 108313860A
- Authority
- CN
- China
- Prior art keywords
- bearing
- sprocket wheel
- escalator
- drive shaft
- shaft device
- 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.)
- Pending
Links
- 238000005461 lubrication Methods 0.000 title claims abstract description 21
- 239000007787 solid Substances 0.000 claims abstract description 27
- 238000007789 sealing Methods 0.000 claims abstract description 15
- 239000004519 grease Substances 0.000 abstract description 36
- 230000001050 lubricating effect Effects 0.000 abstract description 33
- 238000012423 maintenance Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 3
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000000153 supplemental effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B23/00—Component parts of escalators or moving walkways
- B66B23/02—Driving gear
- B66B23/026—Driving gear with a drive or carrying sprocket wheel located at end portions
-
- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
- F16C35/04—Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
- F16C35/06—Mounting or dismounting of ball or roller bearings; Fixing them onto shaft or in housing
- F16C35/063—Fixing them on the shaft
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/0018—Shaft assemblies for gearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/042—Guidance of lubricant
- F16H57/043—Guidance of lubricant within rotary parts, e.g. axial channels or radial openings in shafts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0467—Elements of gearings to be lubricated, cooled or heated
- F16H57/0469—Bearings or seals
- F16H57/0471—Bearing
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Escalators And Moving Walkways (AREA)
- General Details Of Gearings (AREA)
Abstract
The invention discloses a kind of bearing lubrication structures of escalator main drive shaft device, main drive shaft device includes solid main shaft, hollow pipe, ladder sprocket wheel and bearing, the side of the nearly hollow pipe of Bearing support is equipped with bearing rear end cap, the other side is equipped with bearing drive end bearing bracket, two bearing (ball) covers form cavity between bearing and are fitted with sealing ring respectively, and the lubricating grease in bearing is made not outflow；Oil outlet passage is provided in solid main shaft, the cavity between one end and bearing rear end cap and bearing communicates, and the other end is connected with the external world, convenient for intuitively judging the grease situation in bearing；Oil pipe one end is on ladder sprocket wheel, and the other end is on bearing drive end bearing bracket and the cavity between bearing drive end bearing bracket and bearing communicates.The present invention will can effectively fill it up with when grease-added for the first time in bearing, subsequently can effectively replace and be discharged old lubricating grease, can promote the service life of bearing, reduce the maintenance costs of escalator, promote the operational safety of escalator.
Description
Technical field
The present invention is related with escalator, particularly belongs to a kind of bearing lubrication structure of escalator main drive shaft.
Background technology
Escalator, by the rubber conveyer of the chain-linked conveyer and two special structure forms of a unique construction form
It is composed, carries shuttling movement ladder road, to tilt conveying passenger's upward or downward between the different floor heights of building
Fixed power driven equipment.The main drive shaft device of escalator mainly include duplex chain wheel 1, ladder sprocket wheel 2, ladder sprocket wheel 8,
Solid main shaft 3, bearing 4, bearing 5, hollow pipe 7, oil pipe 9, handrail driving chain wheel 6 and fastener etc., as shown in Figure 1.Wherein, real
Heart main shaft 3 is mounted in hollow pipe 7, and both ends are rotatably mounted at by bearing 4 and bearing 5 in truss (not shown),
Duplex chain wheel 1, ladder sprocket wheel 2, ladder sprocket wheel 8 and handrail driving chain wheel 6 are installed on solid main shaft 3, are equipped at bearing
Oil pipe 9 is dosed for lubricant.
In order to ensure that the normal operation of escalator, the bearing in main drive shaft device need periodic maintenance to maintain, wherein
The most important lubrication for being ensuring that bearing.Currently, the lubrication generally use of escalator main drive shaft device middle (center) bearing is regular
The mode of supplemental lubrication fat, but due to the limitation of structure space, it is typically grease-added from the side of bearing, from the same side
And the useless lubricating grease of other side discharge.It is had the disadvantage that using this method grease-added to bearing：
1, it can not intuitively and accurately judge whether lubricating grease has effectively been updated during dosing at lubricating grease；
2, since the inside structure of bearing does not have ring structure, this results in the loss of lubricating grease, long in escalator
Bearing inner will be unable to effectively lubricating after time operation；
3, in lubricating grease during dosing, extra lubricating grease is all discharged in hollow pipe, leads to not confirm in this way
The addition of lubricating grease causes unnecessary waste.
It can be seen from the above, the lubrication system of main drive shaft device middle (center) bearing cannot effectively update lubricating grease, will also result in
A large amount of wastes when lubricating grease is added, the service life and maintenance cost for seriously affecting bearing rise.
Invention content
It, can be with technical problem to be solved by the invention is to provide a kind of bearing lubrication structure of escalator main drive shaft
Effectively supplement update lubricating grease, and the lubricating grease that gives up is discharged.
In order to solve the above technical problems, the bearing lubrication structure of escalator main drive shaft device provided by the invention, institute
It includes solid main shaft, hollow pipe, ladder sprocket wheel and bearing to state main drive shaft device, and the end of the solid main shaft is mounted on bearing
Inner ring, the ladder sprocket wheel is mounted on the outer ring of bearing and is fixedly connected with hollow pipe, the one of the nearly hollow pipe of the Bearing support
Side is equipped with bearing rear end cap, and the other side of bearing is equipped with bearing drive end bearing bracket, the bearing drive end bearing bracket and bearing rear end cap point
Cavity is not formed between bearing, and sealing ring is mounted in bearing drive end bearing bracket and bearing rear end cap；The solid main shaft
Inside be provided with oil outlet passage, one end of the oil outlet passage is connected with the cavity between bearing rear end cap and bearing, the other end with
The external world is connected；Oil pipe one end is inserted on ladder sprocket wheel, the other end be inserted on bearing drive end bearing bracket and with bearing drive end bearing bracket and
Cavity between bearing is connected.
Preferably, the bearing drive end bearing bracket is sleeved on solid main shaft and is equipped with one between bearing drive end bearing bracket and solid main shaft
Axle sleeve.
In said structure, the oil outlet passage includes that radial direction enters oil pipe line and radial oil outlet pipe, and the radial direction enters oil
It is connected by axial duct between pipeline and radial oil outlet pipe.Further, the axial duct connects radial oil outlet pipe
The end that one end extends to solid main shaft forms outlet, and the outlet uses main shaft end cap seal.
In said structure, through-hole is formed on the ladder sprocket wheel, the oil pipe inserting is in through-holes and positioned at step
The outside of sprocket wheel, oil nozzle inserting is in through-holes and positioned at the inside of ladder sprocket wheel.
In said structure, be formed with through-hole on the bearing drive end bearing bracket, the through-hole and bearing drive end bearing bracket and bearing it
Between cavity be connected, the oil pipe is inserted into through-hole.
In said structure, the bearing drive end bearing bracket is fixedly connected with ladder sprocket wheel.
The invention has the beneficial effects that：
1) lubrication system of the invention will can effectively fill it up with lubricating grease when dosing lubricating grease for the first time in bearing, simultaneously
In subsequently update lubricating grease, it can effectively replace and old lubricating grease is discharged；
2) bearing both sides of the invention are sealed using sealing ring, and the lubricating grease in bearing is made not outflow；
3) present invention can be determined that lubricating grease in bearing by observing the state of discharge grease in the exit of oil outlet passage
Whether effectively fills it up with or updated；
4) present invention can promote the service life of main drive shaft device middle (center) bearing, reduce the maintenance of escalator at
The operational safety of this and promotion escalator.
Description of the drawings
Fig. 1 is the exploded perspective view of escalator main drive shaft device；
Fig. 2 is the schematic diagram of the lubrication system of the present invention；
Fig. 3 is the flow path schematic diagram of lubricating grease.
Wherein the reference numerals are as follows：
1 is duplex chain wheel；2 be ladder sprocket wheel；3 be solid main shaft；4 be bearing；5 be bearing；6 be handrail driving chain wheel；7
For hollow pipe；8 be ladder sprocket wheel；9 be oil pipe；10 be axle sleeve；11 be bearing drive end bearing bracket；12 be bearing rear end cap；13 be first
Sealing ring；14 be the second sealing ring；15 main shaft end caps；16 be oil outlet passage；17 be oil nozzle.
Specific implementation mode
The present invention is described in further detail with specific implementation mode below in conjunction with the accompanying drawings.
The escalator main drive shaft device of the present invention is as shown in Figure 1, include mainly solid main shaft 3, hollow pipe 7, step
Sprocket wheel 8 (or 2) and bearing 5 (or 4), solid main shaft 3 are located inside hollow pipe 7, and the both ends of solid main shaft 3 are stretched out in hollow pipe
Outside 7.Solid main shaft 3 is located at the inner ring of the end mounted on bearing 5 in 7 outside of hollow pipe, and the ladder sprocket wheel 8 is mounted on bearing
It 5 outer ring and is fixedly connected with hollow pipe 7.
The bearing lubrication structure of the present invention is a part for main drive shaft device, as shown in Figure 2.The bearing 5 leans on near-space
The side of heart pipe 7 is equipped with bearing rear end cap 12, and the other side of bearing 5 is equipped with bearing drive end bearing bracket 11, the bearing drive end bearing bracket
11 and bearing rear end cap 12 cavity is formed between bearing 5 respectively (gap between the cavity and bearing internal external circle communicates).
Bearing drive end bearing bracket 11 and bearing rear end cap 12 are all formed with seal groove, and the first sealing ring 13 is mounted on bearing drive end bearing bracket
In 11 seal groove, the second sealing ring 14 is mounted in the seal groove of bearing rear end cap 12.Two sealing rings are by grease sealing
In the cavity within and around bearing 5, bearing can be lubricated for a long time.
Oil outlet passage 16, one end and bearing rear end cap 12 and the axis of the oil outlet passage 16 are provided in the solid main shaft 3
The cavity held between 5 is connected, and the other end is connected with the external world.
9 one end of oil pipe is inserted on ladder sprocket wheel 8, the other end be inserted on bearing drive end bearing bracket 11 and with bearing drive end bearing bracket 11
Cavity between bearing 5 is connected.
In the present embodiment, bearing drive end bearing bracket 11 is sleeved on solid main shaft 3 and between bearing drive end bearing bracket 11 and solid main shaft 3
One axle sleeve 10 is installed, which is fixed on solid main shaft 3.The first sealing ring 13 on bearing drive end bearing bracket 11 and axle sleeve 10
Outer wall be tightly connected.
As shown in Figure 2 and Figure 3, oil outlet passage 16 is in ㄩ types comprising radial direction enters oil pipe line and radial oil outlet pipe, described
Radial direction, which enters, to be connected between oil pipe line and radial oil outlet pipe by axial duct.The radial direction enters opening and the bearing rear end of oil pipe line
Cavity between lid 12 and bearing 5 is connected, and the opening of radial oil outlet pipe is communicated with the external world.
For the ease of the processing of axial duct in oil outlet passage, one end of the radial oil outlet pipe of axial duct connection extends to
The end of solid main shaft 3 forms outlet, and the outlet is sealed using main shaft end cap 15, prevents lubricating grease from the side of solid main shaft 3
Face is discharged.
In said structure, through-hole is formed on ladder sprocket wheel 5, an oil nozzle 17 inserting is in through-holes and positioned at ladder sprocket wheel
8 inside, the inserting of 9 one end of oil pipe is in through-holes and positioned at the outside of ladder sprocket wheel 8.Likewise, being formed on bearing drive end bearing bracket 11
There are through-hole, the cavity between the through-hole and bearing drive end bearing bracket 11 and bearing 5 to be connected, 9 other end of the oil pipe is inserted into logical
In hole.Lubricating grease is added by oil nozzle 17, cavity, the bearing between bearing drive end bearing bracket 11 and bearing 5 are sequentially entered by oil pipe 9
Cavity between 5 and bearing rear end cap 12 and bearing 5.
In said structure, the bearing drive end bearing bracket 11 is fixedly connected with ladder sprocket wheel 8.
Fig. 3 is the path schematic diagram of the addition and the discharge that indicate lubricating grease, and lubricating grease is added by oil nozzle 17, passes through oil pipe
9 enter bearing 5, since 5 side of bearing uses bearing drive end bearing bracket 11, axle sleeve 10 and the first sealing ring 13, the other side to use bearing
Rear end cap 12 and the second sealing ring 14, so that lubricating grease cannot be excessive, can only be discharged by oil outlet passage 16, thus can
Old lubricating grease is discharged, and effectively new lubricating grease can be retained in bearing 5.
The lubrication system of the present invention will can effectively fill it up with lubricating grease when dosing lubricating grease for the first time in bearing, while
When follow-up update lubricating grease, it can effectively replace and old lubricating grease is discharged；Both sides are sealed using sealing ring, are made in bearing
Lubricating grease will not outflow；State by observing discharge grease in the exit of oil outlet passage, which can be determined that in bearing, to be lubricated
Whether fat has effectively been filled it up with or has been updated；The service life that main drive shaft device middle (center) bearing can be promoted, reduces escalator
Maintenance costs and the operational safety for promoting escalator.
The present invention has been described in detail through specific embodiments, the embodiment be only the present invention compared with
Good embodiment not limits the invention.Without departing from the principles of the present invention, those skilled in the art does
The equivalent replacement gone out and improvement are regarded as in the technology scope that the present invention is protected.
Claims (7)
1. a kind of bearing lubrication structure of escalator main drive shaft device, the main drive shaft device include solid main shaft, sky
Heart pipe, ladder sprocket wheel and bearing, the end of the solid main shaft are mounted on the inner ring of bearing, and the ladder sprocket wheel is mounted on bearing
Outer ring and be fixedly connected with hollow pipe, which is characterized in that the side of the nearly hollow pipe of the Bearing support is equipped with bearing rear end cap,
The other side of bearing is equipped with bearing drive end bearing bracket, and the bearing drive end bearing bracket and bearing rear end cap form between bearing free respectively
Chamber, and it is mounted on sealing ring in bearing drive end bearing bracket and bearing rear end cap；Oil outlet passage, the row are provided in the solid main shaft
Cavity between one end of oily access and bearing rear end cap and bearing is connected, and the other end is connected with the external world；It inserts oil pipe one end
On ladder sprocket wheel, the cavity that the other end is inserted on bearing drive end bearing bracket and between bearing drive end bearing bracket and bearing is connected.
2. the bearing lubrication structure of escalator main drive shaft device according to claim 1, which is characterized in that the axis
Brought forward end cap is sleeved on solid main shaft and is equipped with an axle sleeve between bearing drive end bearing bracket and solid main shaft.
3. the bearing lubrication structure of escalator main drive shaft device according to claim 1, which is characterized in that the row
Oily access includes that radial direction enters oil pipe line and radial oil outlet pipe, and the radial direction enters between oil pipe line and radial oil outlet pipe by axial direction
Piping connection.
4. the bearing lubrication structure of escalator main drive shaft device according to claim 3, which is characterized in that the axis
The end that solid main shaft is extended to one end of piping connection radial direction oil outlet pipe forms outlet, and the outlet uses main shaft end cap
Sealing.
5. the bearing lubrication structure of escalator main drive shaft device according to claim 1, which is characterized in that the ladder
Through-hole is formed on grade sprocket wheel, in through-holes and positioned at the outside of ladder sprocket wheel, an oil nozzle is inserted into through-hole for the oil pipe inserting
In and positioned at ladder sprocket wheel inside.
6. the bearing lubrication structure of escalator main drive shaft device according to claim 1, which is characterized in that the axis
Through-hole is formed on brought forward end cap, the cavity between the through-hole and bearing drive end bearing bracket and bearing is connected, the oil pipe inserting
In through-hole.
7. the bearing lubrication structure of escalator main drive shaft device according to claim 1, which is characterized in that the axis
Brought forward end cap is fixedly connected with ladder sprocket wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810270155.5A CN108313860A (en) | 2018-03-29 | 2018-03-29 | The bearing lubrication structure of escalator main drive shaft device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810270155.5A CN108313860A (en) | 2018-03-29 | 2018-03-29 | The bearing lubrication structure of escalator main drive shaft device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108313860A true CN108313860A (en) | 2018-07-24 |
Family
ID=62899774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810270155.5A Pending CN108313860A (en) | 2018-03-29 | 2018-03-29 | The bearing lubrication structure of escalator main drive shaft device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108313860A (en) |
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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| US20100294596A1 (en) * | 2007-11-07 | 2010-11-25 | Chery Automobile Co., Ltd. | Lubricant grease charging-up device for automobile brake hub bearing |
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| CN207039387U (en) * | 2017-07-06 | 2018-02-23 | 明程电机技术（深圳）有限公司 | The cooling structure of oil-cooled motor |
| CN208087032U (en) * | 2018-03-29 | 2018-11-13 | 永大电梯设备（中国）有限公司 | The bearing lubrication structure of escalator main drive shaft device |
-
2018
- 2018-03-29 CN CN201810270155.5A patent/CN108313860A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080063331A1 (en) * | 2004-06-11 | 2008-03-13 | Ntn Corporation | Lubricating Structure Of Rolling Bearing |
| US20100294596A1 (en) * | 2007-11-07 | 2010-11-25 | Chery Automobile Co., Ltd. | Lubricant grease charging-up device for automobile brake hub bearing |
| CN202481891U (en) * | 2012-03-13 | 2012-10-10 | 吴江全胜机电有限公司 | Escalator driving device with oil injecting lubricating mechanism |
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