CN107814298A - Safe diversion sheave - Google Patents
Safe diversion sheave Download PDFInfo
- Publication number
- CN107814298A CN107814298A CN201711031722.3A CN201711031722A CN107814298A CN 107814298 A CN107814298 A CN 107814298A CN 201711031722 A CN201711031722 A CN 201711031722A CN 107814298 A CN107814298 A CN 107814298A
- Authority
- CN
- China
- Prior art keywords
- rope sheave
- rolling bearing
- fixed part
- circular
- bottom face
- 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- Withdrawn
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
- B66B11/04—Driving gear ; Details thereof, e.g. seals
- B66B11/08—Driving gear ; Details thereof, e.g. seals with hoisting rope or cable operated by frictional engagement with a winding drum or sheave
-
- 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
- F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
- F16H55/32—Friction members
- F16H55/36—Pulleys
- F16H55/50—Features essential to rope pulleys
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Cage And Drive Apparatuses For Elevators (AREA)
Abstract
The present invention relates to elevator accessory technical field, specifically disclose a kind of safe diversion sheave, including rope sheave body and centre bore, rope sheave body is divided into outer edge, connecting portion and fixed part by the direction of outer rim to center, some annular grooves are along the circumferential direction provided with outer edge, annular groove includes circular-arc bottom face and two inclined walls, and the open top width that two inclined walls are formed is less than the open top width of circular-arc bottom face；The both sides of fixed part are interval with some fixing holes and screwed hole, and the both sides of fixed part are equipped with rolling bearing, and close outer peripheral position is provided with some fix bars being adapted with fixing hole on rolling bearing.The present invention has security higher and rotates the characteristics of flexible.
Description
Technical field
The present invention relates to elevator accessory technical field, more particularly to a kind of safe diversion sheave.
Background technology
In lift car running, diversion sheave is hung on car top and moved with elevator, and being that elevator is main holds
Weight, draws high part, it directly influences fluency when security and the operation of elevator, specially on the outline of diversion sheave
Multiple grooves arranged side by side are set, and traction steel-cable is fixed in groove as diversion sheave rotates together, but groove is in processing
When be not very deep, while traction steel-cable is again relatively thick, traction steel-cable be easy to when being moved in groove from
Deviate from groove, potential safety hazard be present；Simultaneously diversion sheave be directly anchored on central shaft, rotate on center shaft when
Wait, exist and rotate inflexible problem.
The content of the invention
The present invention is in order to solve the above-mentioned technical problem present in existing diversion sheave, there is provided a kind of security is higher, turns
Move flexible diversion sheave.
Technical scheme：Safe diversion sheave, including rope sheave body and positioned at rope sheave body central position
Centre bore, the rope sheave body is divided into outer edge, connecting portion and fixed part by the direction of outer rim to center, on the outer edge
Some annular grooves are along the circumferential direction provided with side by side, and the annular groove includes circular-arc bottom face and two inclined walls, and two are inclined
The base in skew wall face is connected to the top open part of circular-arc bottom face, and the incline direction of two inclined walls is by base to top
The direction on side is towards the centerline dip of circular-arc bottom face, and the open top width that two inclined walls are formed is less than circular-arc bottom face
Open top width；The fixed part both sides are interval with some fixing holes and screwed hole, and the fixed part both sides are equipped with
Rolling bearing, the bearing hole of the rolling bearing and the position correspondence of centre bore, the bearing hole and centre bore of the rolling bearing
Communicate, some fix bars being adapted with fixing hole are provided with close to outer peripheral position on the rolling bearing.The present invention passes through
It is circular-arc bottom face that groove at rope sheave body outline is arranged into bottom, and both sides are the structure of the annular groove of inclined wall,
So that width of the circular arc A/F slightly larger than top necking of bottom is internally formed in annular groove, when traction steel-cable is set
When putting in annular groove, no matter what's going on, traction steel-cable skids off all without out of annular groove, security compared with
It is high；The present invention at the fixed part of the both sides of rope sheave body by being arranged at intervals fixing hole and screwed hole, in rope sheave body both sides
Central hole set rolling bearing, rolling bearing close to centre bore side outer edge set with fixing hole coordinate fixation
Bar so that rolling bearing can be placed on fixed part by fix bar, is then completely fixed in rolling bearing by bolt
In screwed hole on fixed part, then central shaft is located in the bearing hole of rope sheave body both sides rolling bearing, with two rotations
Bearing is as rotation medium so that the rotation of diversion sheave is more flexible, and rotating effect is preferable.
Preferably, the connecting portion is provided with some reinforcements from centre bore to the cylindrical circumferential direction radiation of rope sheave body
Muscle, the top cross-section of the reinforcement is arc surface.By the way that the shape that section is arc surface, rope sheave will be arranged at the top of reinforcement
The reinforcement of body both sides is equipped with so that the intensity of whole rope sheave body is higher.
Preferably, it is equipped with counterbore, rope sheave body two on connecting portion between the rope sheave body both sides adjacent said rib
The counterbore of side is connected.The wall of specific counterbore is arranged to round and smooth arcwall face, and the counterbore of rope sheave body both sides interconnects again,
So that the radiating effect of rope sheave body is also preferable.
Preferably, the reinforcement has a six roots of sensation, the central angle between adjacent said rib is 60 degree.Quantity and angle it is specific
Set so that every reinforcement can be mutually coordinated so that the intensity of whole rope sheave body is preferable.
Preferably, the open top width that described two inclined walls are formed is the open top width of circular-arc bottom face
4/5ths.The open top width that two inclined walls are formed is suitable with the diameter of traction steel-cable, the specific setting of width,
Both enabled traction steel-cable it is suitable be placed and taken out annular groove, in turn ensure that traction steel-cable in the course of the work will not
Deviate from easily out of annular groove, ensure that the safety of work.
Preferably, interval is uniformly provided with four fixing holes and four screwed holes on the fixed part.Four fixing holes and
The staggeredly cooperation of four screwed holes so that rolling bearing can be fixed well at fixed part.
Preferably, the rolling bearing is bolted in the screwed hole on fixed part.
The present invention has the advantages that：
(1) it is circular-arc bottom face to be arranged to bottom by the groove at by rope sheave body outline, and both sides are inclined wall
Annular groove structure so that annular groove be internally formed bottom circular arc A/F be slightly larger than top necking width
Degree, security are higher；
(2) rolling bearing is set by the central hole in rope sheave body both sides, rolling bearing is close to centre bore side
Outer edge sets the fix bar coordinated with fixing hole, and central shaft is located in the bearing hole of rope sheave body both sides rolling bearing
It is interior so that the rotation of diversion sheave is more flexible, and rotating effect is preferable；
(3) by the way that the shape that section is arc surface will be arranged at the top of reinforcement so that the intensity of whole rope sheave body compared with
It is high；By setting counterbore, the wall of counterbore is arranged to round and smooth arcwall face, and the counterbore of rope sheave body both sides is interconnected, made again
The radiating effect for obtaining rope sheave body is preferable；Circular-arc bottom face is arranged to by the open top width for forming two inclined walls
4/5ths of open top width, both enabled traction steel-cable it is suitable be placed and taken out annular groove, in turn ensure that and drag
Drawing steel wire rope will not deviate from out of annular groove easily in the course of the work, ensure that the safety of work.
Brief description of the drawings
Fig. 1 is the left view perspective view of the present invention；
The structural front view of Fig. 2 present invention；
The structural representation of Fig. 3 rolling bearings of the present invention；
The structural representation of Fig. 4 reinforcements of the present invention；
Enlarged drawing at A in Fig. 5 Fig. 1.
Mark in accompanying drawing for：1- rope sheave bodies, 2- centre bores, 3- outer edges, 4- connecting portions, 5- fixed parts, 6- annulars
Groove, 7- circular-arc bottom faces, 8- inclined walls, 9- fixing holes, 10- screwed holes, 11- rolling bearings, 12- bearing holes, 13- are fixed
Bar, 14- reinforcements, 15- counterbores, 16- central shafts.
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.
Safe diversion sheave as shown in Figure 1, including rope sheave body 1 and positioned at the center of rope sheave body central position
Hole 2, rope sheave body are divided into outer edge 3, connecting portion 4 and fixed part 5 by the direction of outer rim to center, on outer edge along the circumferential direction
6 annular grooves 6 are provided with side by side, and annular groove includes circular-arc bottom face 7 as shown in Figure 5 and two inclined walls 8, two inclinations
The base of wall is connected to the top open part of circular-arc bottom face, and the incline direction of two inclined walls is by base to top margin
Direction towards the centerline dip of circular-arc bottom face, the open top width that two inclined walls are formed is less than the top of circular-arc bottom face
Portion's A/F；Fixed part both sides are interval with some fixing holes 9 and screwed hole 10, and fixed part both sides are all provided with just like Fig. 3 institutes
The rolling bearing 11 shown, the bearing hole 12 of rolling bearing and the position correspondence of centre bore, the bearing hole and centre bore of rolling bearing
Communicate, some fix bars 13 being adapted with fixing hole are provided with close to outer peripheral position on rolling bearing.Connecting portion is provided with
Some reinforcements 14 from centre bore to the cylindrical circumferential direction radiation of rope sheave body as shown in Figure 4, the top cross-section of reinforcement are
Arc surface.Counterbore 15 as shown in Figure 2, rope sheave body both sides are equipped with connecting portion between the adjacent said rib of rope sheave body both sides
Counterbore be connected.Reinforcement has a six roots of sensation, and the central angle between adjacent said rib is 60 degree.Open at the top that two inclined walls are formed
Mouth width is 4/5ths of the open top width of circular-arc bottom face.Interval is uniformly provided with four fixing holes and four on fixed part
Screwed hole.Rolling bearing is bolted in the screwed hole on fixed part.
The present invention operation principle be：
The fix bar 13 of two rolling bearings 11 is correspondingly placed into the fixing hole 9 of the both sides of rope sheave body 1, is passing through bolt
It is fixed in the screwed hole 10 on rope sheave body, central shaft 16 is penetrated in the bearing hole 12 of two rolling bearings, by central shaft
Both ends be fixed on car top, traction steel-cable is put into annular groove by the open top of annular groove 6, in diversion sheave
During work, traction steel-cable rubs in annular groove drives diversion sheave to be rotated on center shaft by rolling bearing.
The present invention has the advantages that：(1) being arranged to bottom by the groove at by the outline of rope sheave body 1 is
Circular-arc bottom face 7, both sides are the structure of the annular groove 6 of inclined wall 8 so that have been internally formed the circular arc of bottom in annular groove
A/F is slightly larger than the width of top necking, and security is higher；(2) by being set at the centre bore 2 of rope sheave body both sides
Rolling bearing 11, outer edge of the rolling bearing close to centre bore side sets the fix bar 13 coordinated with fixing hole, by center
Axle 16 is located in the bearing hole 12 of rope sheave body both sides rolling bearing so that the rotation of diversion sheave is more flexible, rotating effect
Preferably；(3) by the way that the top of reinforcement 14 will be arranged into the shape that section is arc surface so that the intensity of whole rope sheave body compared with
It is high；By setting counterbore 15, the wall of counterbore is arranged to round and smooth arcwall face, and the counterbore of rope sheave body both sides interconnects again,
So that the radiating effect of rope sheave body is preferable；Circular-arc bottom face is arranged to by the open top width for forming two inclined walls
Open top width 4/5ths, both enabled traction steel-cable it is suitable be placed and taken out annular groove, in turn ensure that
Traction steel-cable will not be deviate from out of annular groove easily in the course of the work, ensure that the safety of work.
Claims (7)
1. safe diversion sheave, it is characterized in that：Including rope sheave body (1) and the centre bore positioned at rope sheave body central position
(2), the rope sheave body is divided into outer edge (3), connecting portion (4) and fixed part (5), the outer rim by the direction of outer rim to center
Some annular grooves (6) are along the circumferential direction provided with portion side by side, the annular groove includes circular-arc bottom face (7) and two inclined walls
Face (8), the base of two inclined walls are connected to the top open part of circular-arc bottom face, the incline direction of two inclined walls
For the centerline dip by the direction on base to top margin towards circular-arc bottom face, the open top width that two inclined walls are formed is small
In the open top width of circular-arc bottom face；The fixed part both sides are interval with some fixing holes (9) and screwed hole (10), institute
State fixed part both sides and be equipped with rolling bearing (11), the bearing hole (12) of the rolling bearing and the position correspondence of centre bore, institute
The bearing hole for stating rolling bearing is communicated with centre bore, and some and fixing hole is provided with close to outer peripheral position on the rolling bearing
The fix bar (13) being adapted.
2. safe diversion sheave according to claim 1, it is characterized in that：The connecting portion is provided with some by center
To the reinforcement (14) of the cylindrical circumferential direction radiation of rope sheave body, the top cross-section of the reinforcement is arc surface in hole.
3. safe diversion sheave according to claim 2, it is characterized in that：The rope sheave body both sides adjacent said rib
Between connecting portion on be equipped with counterbore (15), the counterbore of rope sheave body both sides is connected.
4. safe diversion sheave according to claim 2, it is characterized in that：The reinforcement has the six roots of sensation, adjacent reinforcement
Central angle between muscle is 60 degree.
5. safe diversion sheave according to claim 1, it is characterized in that：The top that described two inclined walls are formed
A/F is 4/5ths of the open top width of circular-arc bottom face.
6. safe diversion sheave according to claim 1, it is characterized in that：Interval is uniformly provided with four on the fixed part
Individual fixing hole and four screwed holes.
7. safe diversion sheave according to claim 1, it is characterized in that：The rolling bearing is bolted on
In screwed hole on fixed part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711031722.3A CN107814298A (en) | 2017-10-28 | 2017-10-28 | Safe diversion sheave |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711031722.3A CN107814298A (en) | 2017-10-28 | 2017-10-28 | Safe diversion sheave |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107814298A true CN107814298A (en) | 2018-03-20 |
Family
ID=61604407
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711031722.3A Withdrawn CN107814298A (en) | 2017-10-28 | 2017-10-28 | Safe diversion sheave |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107814298A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004189441A (en) * | 2002-12-12 | 2004-07-08 | Mitsubishi Electric Building Techno Service Co Ltd | Main cable detachment preventer of sheave for elevator |
| CN201587772U (en) * | 2009-12-07 | 2010-09-22 | 蒋菊如 | Improved lift guiding wheel |
| CN202186810U (en) * | 2011-07-22 | 2012-04-11 | 吴江市德菱电梯配套有限公司 | Diversion sheave for lift |
| CN104261228A (en) * | 2014-09-19 | 2015-01-07 | 宁波浩渤工贸有限公司 | Safety fastening method for elevator rope |
| CN206244221U (en) * | 2016-11-15 | 2017-06-13 | 徐州达尔特机械设备制造有限公司 | A kind of damping type elevator rope pulley equipment |
-
2017
- 2017-10-28 CN CN201711031722.3A patent/CN107814298A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004189441A (en) * | 2002-12-12 | 2004-07-08 | Mitsubishi Electric Building Techno Service Co Ltd | Main cable detachment preventer of sheave for elevator |
| CN201587772U (en) * | 2009-12-07 | 2010-09-22 | 蒋菊如 | Improved lift guiding wheel |
| CN202186810U (en) * | 2011-07-22 | 2012-04-11 | 吴江市德菱电梯配套有限公司 | Diversion sheave for lift |
| CN104261228A (en) * | 2014-09-19 | 2015-01-07 | 宁波浩渤工贸有限公司 | Safety fastening method for elevator rope |
| CN206244221U (en) * | 2016-11-15 | 2017-06-13 | 徐州达尔特机械设备制造有限公司 | A kind of damping type elevator rope pulley equipment |
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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: 20180320 |
|
| WW01 | Invention patent application withdrawn after publication |