CN107298361A - A kind of long-acting rope sheave - Google Patents
A kind of long-acting rope sheave Download PDFInfo
- Publication number
- CN107298361A CN107298361A CN201710729546.4A CN201710729546A CN107298361A CN 107298361 A CN107298361 A CN 107298361A CN 201710729546 A CN201710729546 A CN 201710729546A CN 107298361 A CN107298361 A CN 107298361A
- Authority
- CN
- China
- Prior art keywords
- bearing
- flange
- rope sheave
- long
- plastic sheath
- 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.)
- Withdrawn
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B7/00—Other common features of elevators
- B66B7/02—Guideways; Guides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B7/00—Other common features of elevators
- B66B7/02—Guideways; Guides
- B66B7/023—Mounting means therefor
Landscapes
- Rolling Contact Bearings (AREA)
Abstract
The invention discloses a kind of long-acting rope sheave, bearing (2) comprising body (1) and positioned at body (1) center, a coaxial plastic sheath (3) is additionally provided with bearing (2), the two ends of plastic sheath (3) are equipped with radially outwardly extending the first flange (4), and the first flange (4) is extended between inner ring and the outer ring of bearing (2)；The terminal edge of the first flange (4) extension first extends axially outward, extends radially outward past bearing (2) outer ring again, extend axially inwardly again close to or touch body (1) and form a greasy filth lid (5) afterwards；The greasy filth lid (5), which approaches or touched, is additionally provided with the second flange (6) extended radially outwardly in the outer rim of body (1), chamfering (7) is provided with the outside of the extending end of the second flange (6).The present invention has the advantages that service life is long, and therefore reduces maintenance cost.
Description
Technical field
The invention belongs to elevator accessory field, more particularly to a kind of long-acting rope sheave.
Background technology
Rope sheave effect on elevator is position and the running orbit for ensureing steel wire rope, and rope sheave is by body and in body
The bearing composition of the heart；In long-term use, steel wire rope friction of motion in the annular grooving of body outer ring can produce dust, these
Dust can produce greasy filth after being mixed with the lubricating oil infiltrated on steel wire rope and remain on rope sheave, with the rotation of rope sheave, and greasy filth is just
Can enter in the bearing on rope sheave causes rope sheave after bearing clamping stagnation, bearing clamping stagnation to rotate, the rolling between body and steel wire rope
Dynamic friction connection can become sliding friction connection, body is damaged soon, rope sheave, which will fail, can not play a part of script；
Due to rope sheave itself installation site, the repair and replacement of rope sheave are cumbersome, it is necessary to pay larger maintenance cost.
Therefore, existing rope sheave has the shortcomings that bearing is easily blocked the rope sheave short life brought by greasy filth, and therefore leads
Larger maintenance cost is caused to pay.
The content of the invention
It is an object of the present invention to provide a kind of long-acting rope sheave, the present invention has the advantages that service life is long, and therefore subtract
Maintenance cost is lacked.
Technical scheme：A kind of long-acting rope sheave, also sets comprising body and in the bearing of body central, bearing
There is a coaxial plastic sheath, the two ends of plastic sheath are equipped with the first radially outwardly extending flange, and the first flange extends to bearing
Between inner ring and outer ring；The terminal edge of first flange extension is first extended axially outward, extended radially outward past again outside bearing
Enclose, extend axially inwardly again close to or touch one greasy filth lid of formation after body.
In foregoing long-acting rope sheave, the bearing is deep groove ball bearing of the coefficient of friction between 0.001 to 0.0015, institute
The coefficient of friction between plastic sheath and bearing inner race is stated between 0.03 to 0.06.
In foregoing long-acting rope sheave, the greasy filth lid is approached or touched to be additionally provided with the outer rim of body and extends radially outwardly
The second flange, be provided with chamfering on the outside of the extending end of the second flange.
In foregoing long-acting rope sheave, described plastic sheath, the first flange, greasy filth lid and the second flange uses LDPE materials one
Body is molded, and the part after injection molding is uniform wall thickness, and wall thickness is between 0.8 to 1.2 millimeters.
Compared with prior art, greasy filth lid of the present invention can prevent or reduce greasy filth and enter in bearing, extend making for bearing
With the life-span, the service life of rope sheave is also just extended；During normal use, keep relatively quiet between bearing inner race and plastic sheath
Only, the rotation of rope sheave is carried out by the rotation of bearing；After bearing is stuck, the rotation of rope sheave can still pass through plastics
Rotation between set and bearing inner race is carried out, and further extends the service life of rope sheave.Therefore, the present invention has service life
Long advantage, and therefore reduce maintenance cost.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
Mark in accompanying drawing for：1- bodies, 2- bearings, 3- plastic sheaths, the flanges of 4- first, 5- greasy filth lids, the flanges of 6- second,
7- chamferings.
Embodiment
The present invention is further illustrated with reference to the accompanying drawings and examples, but be not intended as to the present invention limit according to
According to.
Embodiment.A kind of long-acting rope sheave, as shown in figure 1, in the bearing 2 comprising body 1 and positioned at the center of body 1, bearing 2
A coaxial plastic sheath 3 is additionally provided with, the two ends of plastic sheath 3 are equipped with the first radially outwardly extending flange 4, and the first flange 4 extends
To between the inner ring of bearing 2 and outer ring；The terminal edge of the extension of first flange 4 first extends axially outward, extended radially outwardly again
The outer ring of bearing 2 is crossed, extend axially inwardly again close to or touches one greasy filth lid 5 of formation after body 1.
The bearing 2 is between the deep groove ball bearing that coefficient of friction is 0.0012, plastic sheath 3 and bearing 2 inner ring
Coefficient of friction is 0.05.Gap is too small between two coefficient of frictions can cause the plastic sheath 3 also when normal work of bearing 2
Abrasion can be produced with the inner ring relative motion of bearing 2；Gap is excessive between two coefficient of frictions then can not be normal in the clamping stagnation of bearing 2
Frictional dissipation is too big between plastic sheath 3 and the inner ring of bearing 2 when work, causes rope sheave axial float；Therefore, above parameter is passed through
Test and set for optimal parameter.
The greasy filth lid 5 is approached or touched is additionally provided with the second flange 6 extended radially outwardly in the outer rim of body 1, the
Chamfering 7 is provided with the outside of the extending end of two flanges 6.Second flange 6 can prevent the greasy filth dropped on greasy filth lid 5 from passing through greasy filth
Gap between lid 5 and body 1 enters bearing 2, chamfering 7 make the greasy filth dropped on the outer peripheral face of the second flange 6 move laterally and
It is not inwardly into bearing.
Described plastic sheath 3, the first flange 4, the flange 7 of greasy filth lid 5 and second are formed using LDPE material integrated injection moldings, are noted
The part after type is moulded into for uniform wall thickness, wall thickness is between 0.8 to 1.2 millimeters.Processing cost is reduced by integrated injection molding, noted
Being moulded into after the part after type softens in high temperature environments just can directly be fitted into bearing hole, assemble simple and convenient.
Implementation principle：Greasy filth lid 5 of the present invention can prevent or reduce greasy filth and enter in bearing 2, extend the use longevity of bearing 2
Life, also just extends the service life of rope sheave；During normal use, geo-stationary is kept between the inner ring of bearing 2 and plastic sheath, restricted
The rotation of wheel is carried out by the rotation of bearing 2；After bearing 2 is stuck, the rotation of rope sheave can still pass through plastic sheath 3
Rotation between the inner ring of bearing 2 is carried out, and further extends the service life of rope sheave；Therefore, the present invention has service life
Long advantage, and therefore reduce maintenance cost.
Claims (4)
1. a kind of long-acting rope sheave, the bearing (2) comprising body (1) and positioned at body (1) center, it is characterised in that：In bearing (2)
A coaxial plastic sheath (3) is additionally provided with, the two ends of plastic sheath (3) are equipped with radially outwardly extending the first flange (4), the first flange
(4) between the inner ring and the outer ring that extend to bearing (2)；The terminal edge of the first flange (4) extension first extends axially outward, footpath again
A greasy filth lid is formed afterwards to extending outwardly beyond bearing (2) outer ring, extending axially inwardly again close to or touch body (1)
(5)。
2. long-acting rope sheave according to claim 1, it is characterised in that：The bearing (2) is that coefficient of friction is arrived 0.001
Deep groove ball bearing between 0.0015, coefficient of friction between the plastic sheath (3) and bearing (2) inner ring 0.03 to 0.06 it
Between.
3. long-acting rope sheave according to claim 2, it is characterised in that：The greasy filth lid (5) is close or touches body (1)
Outer rim on be additionally provided with the second flange (6) extended radially outwardly, chamfering (7) is provided with the outside of the extending end of the second flange (6).
4. long-acting rope sheave according to claim 3, it is characterised in that：Described plastic sheath (3), the first flange (4), greasy filth
Lid (5) and the second flange (7) are formed using LDPE material integrated injection moldings, and the part after injection molding is uniform wall thickness, and wall thickness exists
Between 0.8 to 1.2 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710729546.4A CN107298361A (en) | 2017-08-23 | 2017-08-23 | A kind of long-acting rope sheave |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710729546.4A CN107298361A (en) | 2017-08-23 | 2017-08-23 | A kind of long-acting rope sheave |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107298361A true CN107298361A (en) | 2017-10-27 |
Family
ID=60132516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710729546.4A Withdrawn CN107298361A (en) | 2017-08-23 | 2017-08-23 | A kind of long-acting rope sheave |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107298361A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112523703A (en) * | 2020-12-01 | 2021-03-19 | 长江大学 | Integrally-enhanced dead rope fixer |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0015740A1 (en) * | 1979-03-09 | 1980-09-17 | Skf (U.K.) Limited | End cap assemblies for conveyor rollers |
| CN101408226A (en) * | 2007-10-09 | 2009-04-15 | Skf公司 | A bearing assembly with overmoulded annular bodies of plastic material |
| CN203067735U (en) * | 2012-12-26 | 2013-07-17 | 三一重工股份有限公司 | Rotary drilling rig and pulley mechanism thereof |
| CN207129797U (en) * | 2017-08-23 | 2018-03-23 | 湖州力奥电梯配件有限公司 | A kind of long-acting rope sheave |
-
2017
- 2017-08-23 CN CN201710729546.4A patent/CN107298361A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0015740A1 (en) * | 1979-03-09 | 1980-09-17 | Skf (U.K.) Limited | End cap assemblies for conveyor rollers |
| CN101408226A (en) * | 2007-10-09 | 2009-04-15 | Skf公司 | A bearing assembly with overmoulded annular bodies of plastic material |
| CN203067735U (en) * | 2012-12-26 | 2013-07-17 | 三一重工股份有限公司 | Rotary drilling rig and pulley mechanism thereof |
| CN207129797U (en) * | 2017-08-23 | 2018-03-23 | 湖州力奥电梯配件有限公司 | A kind of long-acting rope sheave |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112523703A (en) * | 2020-12-01 | 2021-03-19 | 长江大学 | Integrally-enhanced dead rope fixer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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 |
Application publication date: 20171027 |
|
| WW01 | Invention patent application withdrawn after publication |