CN108750894B - Device for assisting lifting of elevator car - Google Patents
Device for assisting lifting of elevator car Download PDFInfo
- Publication number
- CN108750894B CN108750894B CN201810974222.1A CN201810974222A CN108750894B CN 108750894 B CN108750894 B CN 108750894B CN 201810974222 A CN201810974222 A CN 201810974222A CN 108750894 B CN108750894 B CN 108750894B
- Authority
- CN
- China
- Prior art keywords
- pulley
- belt
- elevator
- deflector
- elevator car
- 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.)
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- 239000000725 suspension Substances 0.000 claims abstract description 24
- 239000010985 leather Substances 0.000 claims description 7
- 230000000694 effects Effects 0.000 description 5
- 230000002411 adverse Effects 0.000 description 3
- 230000003993 interaction Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000004433 Thermoplastic polyurethane Substances 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 1
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
- B66B11/043—Driving gear ; Details thereof, e.g. seals actuated by rotating motor; Details, e.g. ventilation
- B66B11/0476—Driving gear ; Details thereof, e.g. seals actuated by rotating motor; Details, e.g. ventilation with friction gear, e.g. belt linking motor to sheave
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B17/00—Hoistway equipment
- B66B17/12—Counterpoises
Abstract
The invention provides a device for helping an elevator car to lift, which comprises a balancing device, wherein the balancing device is fixed at the top of an elevator shaft and above a hanging counterweight and the elevator car, the balancing device comprises a deflector, a deflector and an auxiliary pulley, one side of the deflector is connected with a traction pulley, the deflector is connected below the deflector, the auxiliary pulley is connected with one side of the deflector and moves relative to the deflector through a guide rail, the auxiliary pulley is contacted with a belt along the guide rail when the hanging counterweight descends, and the auxiliary pulley is separated from the belt along the guide rail when the hanging counterweight ascends. The invention can effectively increase the pulling force of the elevator system on the elevator car when the elevator car ascends, thereby balancing the motion of the elevator car in the elevator well, meeting the required pulling force of the suspension component on the elevator car and improving the performance of the elevator system.
Description
Technical Field
The present invention relates to elevator equipment, and more particularly to an apparatus for assisting in lifting an elevator car.
Background
The elevator car of existing elevator systems is typically suspended in the elevator hoistway by one or more traction sheave and traction ropes, etc., while the elevator system also suspends a counterweight structure corresponding to the elevator car, which moves the elevator car up and down along the elevator hoistway under the interaction of the counterweight structure with the traction sheave and traction ropes. However, in the process of lifting the elevator car, particularly in the case of fewer lifting floors, the elevator car with excessive acceleration needs to be decelerated in time, and the pulling force of the elevator system on the elevator car is obviously reduced due to the interaction of inertia and the pulling component, so that the pulling force of the suspending component on the elevator car is smaller than the required pulling force of the suspending component on the elevator car, and the performance of the elevator system is affected.
Disclosure of Invention
The invention aims to solve the technical problem of providing the elevator system which has reasonable structural design and effectively increases the tension of the elevator system to the elevator car when the elevator car ascends, thereby balancing the movement of the elevator car in an elevator shaft, meeting the required traction force of a suspension component to the elevator car and improving the performance of the elevator system.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the invention relates to a device for assisting in lifting of an elevator car, which comprises an elevator car, a pulley, a suspension weight and a belt, wherein the elevator car, the suspension weight and the belt are arranged in an elevator hoistway, the elevator car and the suspension weight respectively move vertically in the elevator hoistway, the direction of movement of the elevator car and the direction of movement of the suspension weight are opposite, the pulley comprises a traction pulley, a first pulley and a second pulley, the traction pulley is positioned between the first pulley and the second pulley in the horizontal direction, the top end of the elevator car is connected with the first pulley, the top end of the suspension weight is connected with the second pulley, both ends of the belt are fixed in the elevator hoistway and are sequentially connected with the first pulley, the traction pulley and the second pulley, the device for assisting in lifting of the elevator car further comprises a balancing device, the balancing device is fixed at the top of the elevator hoistway and above the suspension weight and the elevator car, the deflector is connected with the traction pulley on one side of the deflector, the auxiliary pulley is connected with the lower side of the deflector, the auxiliary pulley is connected with one side of the deflector and moves relative to the suspension weight through a guide rail, and when the auxiliary pulley is in contact with the lifting guide rail and the belt is separated from the lifting pulley along the guide rail when the lifting of the belt.
According to the elevator, the balance device is arranged, friction force is generated when the auxiliary pulley is in contact with the belt, the tension of the belt is increased, and when the auxiliary pulley is separated from the belt, the friction force is eliminated, and the tension of the belt is recovered, so that the elevator is beneficial to balancing the motion of the elevator car in an elevator shaft, and the service performance of the elevator is improved.
Further, the auxiliary pulley is located between the traction pulley and the second pulley in both the vertical and horizontal directions, and the belt is located on the same side of the auxiliary pulley and the second pulley, helping to balance the movement of the car in the elevator hoistway, and reducing or avoiding adverse effects on the elevator.
Further, the auxiliary sheave diameter is smaller than the second sheave, helping to balance the movement of the car in the elevator hoistway and reducing or avoiding adverse effects on the elevator.
Further, the direction of guide rail is horizontal, the horizontal distance that the one end of first belt pulley was kept away from to the second belt pulley is kept away from to the one end of first belt pulley of guide rail is less than auxiliary pulley radius, the horizontal distance that the one end that the guide rail is close to first belt pulley to the one end that the traction pulley is close to first belt pulley is less than auxiliary pulley's radius, the horizontal distance that the one end that the second belt pulley was kept away from first belt pulley to the one end that the traction pulley was kept away from first belt pulley is greater than the diameter of second belt pulley, auxiliary pulley's efficiency to the belt effect has been improved, help balancing car's motion in the elevator well, and reduce or avoid producing harmful effects to the elevator.
Preferably, the belt comprises a leather sheath, ropes, strands and dense wires, wherein the leather sheath is wrapped outside the ropes, the ropes are arranged in parallel and have the same direction, the ropes are composed of the strands, the strands are arranged in parallel and have the same direction, the strands are composed of the dense wires, the dense wires are arranged in parallel and have the same direction, the strength of the belt is improved, and the movement of the lift car in an elevator shaft is facilitated to be balanced.
Further, one side of the balancing device, which is close to the inner wall of the elevator shaft, is provided with a belt terminal, the belt terminal is connected with one end of the belt, the utilization efficiency of the belt is improved, and the movement of the elevator car in the elevator shaft is facilitated to be balanced.
Further, the device for assisting in lifting of the elevator car further comprises guide ropes, wherein guide pieces are arranged on one sides, close to the inner wall of the elevator shaft, of the hanging weight piece and the elevator car, the guide ropes are matched with the guide pieces to guide movement of the hanging weight piece and the elevator car, the movement direction of the elevator car in the elevator shaft is corrected in an auxiliary mode, and movement of the elevator car in the elevator shaft is balanced.
Compared with the prior art, the invention has the following advantages and effects: according to the elevator, the balance device is arranged, friction force is generated when the auxiliary pulley is in contact with the belt, the tension of the belt is increased, and when the auxiliary pulley is separated from the belt, the friction force is eliminated, and the tension of the belt is recovered, so that the movement of the elevator car in an elevator shaft is balanced, and the service performance of the elevator is improved; reducing or avoiding adverse effects on the elevator; the strength and the utilization efficiency of the belt are improved; the auxiliary correct car direction of travel in the elevator hoistway.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic structural view of a balancing device according to the present invention.
Fig. 3 is an enlarged cross-sectional view of the belt of the present invention.
Description of the reference numerals: 1. an elevator hoistway; 10. a car; 11. hanging a weight piece; 12. a guide rope; 13. a guide;
20. a pulley; 21. a traction sheave; 22. a first pulley; 23. a second pulley;
30. a belt; 31. leather sheath; 32. a rope; 33. a strand; 34. dense lines; 35. a belt terminal;
40. a balancing device; 41. a deflector; 42. a shifter; 43. an auxiliary pulley; 44. and a guide rail.
Detailed Description
The present invention will be described in further detail with reference to the following examples, which are illustrative of the present invention and are not intended to limit the present invention thereto.
As shown in fig. 1, the device for assisting in lifting of an elevator car according to the present embodiment includes a car 10 and one or more suspension members, in this embodiment, a balancing device 40, the balancing device 40 is fixed on the top of an elevator shaft 1 and above the suspension members and the car 10, the suspension members are a pulley 20, a belt 30 and a suspension counterweight 11, the pulley 20 includes a traction pulley 21, a first pulley 22 and a second pulley 23, the car 10 is suspended in the elevator shaft 1 by the first pulley 22 connected to the top thereof, the top end of the suspension counterweight 11 is connected to the second pulley 23, a traction pulley 21 is disposed between the first pulley 22 and the second pulley 23 in the horizontal direction, one end of the belt 30 is fixedly connected to the top of the elevator shaft 1 and is wound around the first pulley 22, the traction pulley 21 and the second pulley 23 in sequence, the other end of the belt 30 is fixed to a belt terminal 35, and the belt terminal 35 is connected to one side of the balancing device 40 near the inner wall of the elevator shaft.
The belt 30 interacts with the first pulley 22, the traction sheave 21, the second pulley 23 and the suspension weight 11 to achieve the ascent or descent of the car 10, and the car 10, the suspension weight 11 move vertically up and down in the elevator hoistway 1 with opposite directions of movement, the suspension weight 11 serving to reduce the difference in tension of the belt 30 on both sides of the sheave 20 when the car 10 is ascent or descent.
Two guide ropes 12 are suspended near the inner wall of the elevator shaft 1 in opposite positions, the horizontal distance from the guide rope 12 to the elevator shaft 1 is preferably 5cm, two guide pieces 13 are arranged on one side of the suspension counterweight 11 near the inner wall of the elevator shaft 1, the two guide pieces 13 are positioned in the same vertical direction, and likewise, two guide pieces 13 are arranged on one side of the car 10 near the inner wall of the elevator shaft 1, the two guide pieces are positioned in the same vertical direction, one guide rope 12 is nested in the guide piece 13 on the suspension counterweight 11, the other guide rope 12 is nested in the guide piece 13 on the car 10, and the guide rope 12 is matched with the guide pieces 13 to guide the movement of the suspension counterweight 11 and the car 10.
Referring to fig. 2, the balancing apparatus 40 of the present embodiment includes a deflector 41, a deflector 42, and an auxiliary pulley 43. Auxiliary pulley 43 is located between traction sheave 21 and second pulley 22 both vertically and horizontally. The deflector 41 is used to drive the traction sheave 21 and rotate the traction sheave 21 in a clockwise or counterclockwise direction, and the traction sheave 21 is connected to one side of the deflector 41. The deflector 42 is fixed below the deflector 41, a guide rail 44 is provided on the deflector 42, the direction of the guide rail 44 is horizontal, the auxiliary pulley 43 is provided on the guide rail 44, and the deflector 42 is used for driving the auxiliary pulley 43 and horizontally moving the auxiliary pulley 43 along the guide rail 44.
When the belt 30 passes through the traction sheave 21, the auxiliary sheave 43 and the second sheave 23 in this order, the belt 30 is positioned on the same side as the auxiliary sheave 43 and the second sheave 23, and when the suspended weight 11 is lowered and the car 10 is raised, the deflector 42 drives the auxiliary sheave 43 to move along the guide rail 44 in a direction approaching the traction sheave 21 and to contact the belt 30, and when the suspended weight 11 is raised and the car 10 is lowered, the deflector 42 drives the auxiliary sheave 43 to move along the guide rail 44 in a direction separating from the traction sheave 21 and to separate from the belt 30. In this case, the diameter of the auxiliary pulley 43 is smaller than the second pulley 23, and the horizontal distance from the end of the guide rail 44 remote from the first pulley 22 to the end of the second pulley 23 remote from the first pulley 22 is smaller than the radius of the auxiliary pulley 43, the horizontal distance from the end of the guide rail 44 close to the first pulley 22 to the end of the traction pulley 21 close to the first pulley 22 is smaller than the radius of the auxiliary pulley 43, and the horizontal distance from the end of the second pulley 23 remote from the first pulley 22 to the end of the traction pulley 21 remote from the first pulley 22 is larger than the diameter of the second pulley 23. As the auxiliary sheave 43 continues to approach the traction sheave 21 along the guide rail 44, the contact of the auxiliary sheave 43 with the belt 30 increases gradually, increasing the friction between the auxiliary sheave 43 and the belt 30, and increasing the tension of the belt 30, thereby balancing the movement of the car 10 in the elevator hoistway 1.
Referring to fig. 3, the belt 30 is composed of a holster 31, a rope 32, strands 33, and a secret thread 34, and the holster 31 is made of a material having toughness, flexibility, and abrasion resistance, such as thermoplastic polyurethane, or the like. The cords 32, strands 33, and tight wires 34 may be steel cords or other known materials. The leather sheath 31 is wrapped on the outer surfaces of three mutually separated ropes 32, the ropes 32 are arranged in parallel and have the same direction, the ropes 32 are composed of seven strands 33, the cross sections of the strands 33 are honeycomb-shaped, the strands 33 are closely contacted and arranged in parallel and have the same direction, the strands 33 are composed of dense wires 34, the cross sections of the dense wires 34 are honeycomb-shaped, and the dense wires 34 are closely contacted and are arranged in parallel and have the same direction.
In addition, the specific embodiments described in the present specification may differ in terms of parts, shapes of components, names, and the like. All equivalent or simple changes of the structure, characteristics and principle according to the inventive concept are included in the protection scope of the present invention. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions in a similar manner without departing from the scope of the invention as defined in the accompanying claims.
Claims (5)
1. The utility model provides a device that helps elevator car to go up and down, including setting up car, pulley, suspension weight spare, the belt in the elevator well, car, suspension weight spare are vertical motion about the elevator well respectively, and the car is opposite with the direction of motion of suspension weight spare, the pulley includes traction pulley, first belt pulley, second belt pulley, traction pulley is located between first belt pulley and the second belt pulley in the horizontal direction, first belt pulley is connected on the top of car, and the second belt pulley is connected on the top of suspension weight spare, the both ends of belt are all fixed in the elevator well and connect gradually first belt pulley, traction pulley, second belt pulley, its characterized in that: the device for facilitating the lifting of an elevator car further comprises a balancing device fixed on the top of the elevator shaft above the suspended counterweight and the car, the balancing device comprising a deflector, a deflector and an auxiliary pulley, the deflector being connected on one side to the traction pulley and being connected below the deflector, the deflector being arranged to drive the traction pulley and rotate it in a clockwise or counter-clockwise direction, the auxiliary pulley being connected on one side of the deflector and being in relative motion with the deflector by means of a guide rail, the auxiliary pulley being in contact with the belt along the guide rail when the suspended counterweight is lowered, the auxiliary pulley being separated from the belt along the guide rail when the suspended counterweight is raised, the auxiliary pulley being located between the traction pulley and the second pulley both in a vertical direction and in a horizontal direction, the belt being located on the same side of the auxiliary pulley and the second pulley,
the direction of the guide rail is horizontal, the horizontal distance from one end of the guide rail away from the first belt pulley to one end of the second belt pulley away from the first belt pulley is smaller than the radius of the auxiliary pulley, the horizontal distance from one end of the guide rail close to the first belt pulley to one end of the traction pulley close to the first belt pulley is smaller than the radius of the auxiliary pulley, and the horizontal distance from one end of the second belt pulley away from the first belt pulley to one end of the traction pulley away from the first belt pulley is larger than the diameter of the second belt pulley.
2. The apparatus for facilitating elevator car lifting as defined in claim 1, wherein: the auxiliary pulley diameter is smaller than the second pulley.
3. The apparatus for facilitating elevator car lifting as defined in any one of claims 1-2, wherein: the leather belt comprises leather sleeves, ropes, strands and dense wires, wherein the leather sleeves are wrapped outside the ropes, the ropes are arranged in parallel and have the same direction, the ropes are composed of the strands, the strands are arranged in parallel and have the same direction, the strands are composed of the dense wires, and the dense wires are arranged in parallel and have the same direction.
4. A device for facilitating elevator car lifting as defined in claim 3, wherein: one side of the balancing device, which is close to the inner wall of the elevator shaft, is provided with a belt terminal, and the belt terminal is connected with one end of the belt.
5. The apparatus for facilitating elevator car lifting as defined in claim 4, wherein: the device for assisting the lifting of the elevator car further comprises guide ropes, wherein guide pieces are arranged on one sides, close to the inner wall of the elevator shaft, of the hanging weight piece and the elevator car, and the guide ropes are matched with the guide pieces to guide the hanging weight piece and the elevator car to move.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810974222.1A CN108750894B (en) | 2018-08-24 | 2018-08-24 | Device for assisting lifting of elevator car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810974222.1A CN108750894B (en) | 2018-08-24 | 2018-08-24 | Device for assisting lifting of elevator car |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108750894A CN108750894A (en) | 2018-11-06 |
| CN108750894B true CN108750894B (en) | 2024-04-09 |
Family
ID=63967802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810974222.1A Active CN108750894B (en) | 2018-08-24 | 2018-08-24 | Device for assisting lifting of elevator car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108750894B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202107417U (en) * | 2011-06-15 | 2012-01-11 | 金川集团有限公司 | Quickly-positioning rope entering device |
| CN104150303A (en) * | 2013-05-13 | 2014-11-19 | 永大电梯设备（中国）有限公司 | Multifunctional elevator traction transmission friction testing device and testing method |
| CN205099166U (en) * | 2015-07-17 | 2016-03-23 | 三菱电机上海机电电梯有限公司 | Elevator that can adjust ability of towing tows board |
| CN205367399U (en) * | 2016-01-27 | 2016-07-06 | 江南嘉捷电梯股份有限公司 | Device of cornerite of wire rope and driving sheave is towed in increase |
| CN105800423A (en) * | 2016-05-09 | 2016-07-27 | 江南嘉捷电梯股份有限公司 | Household elevator |
| CN107787300A (en) * | 2015-06-23 | 2018-03-09 | 奥的斯电梯公司 | The increased tractive force of elevator device belt |
| CN108016964A (en) * | 2017-12-06 | 2018-05-11 | 广州广日电梯工业有限公司 | A kind of elevator rope monitoring device and method |
| CN209259450U (en) * | 2018-08-24 | 2019-08-16 | 湖州巨创电梯部件有限公司 | A kind of device helping lift car lifting |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7156209B2 (en) * | 2004-05-28 | 2007-01-02 | Inventio Ag | Elevator roping arrangement |
-
2018
- 2018-08-24 CN CN201810974222.1A patent/CN108750894B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202107417U (en) * | 2011-06-15 | 2012-01-11 | 金川集团有限公司 | Quickly-positioning rope entering device |
| CN104150303A (en) * | 2013-05-13 | 2014-11-19 | 永大电梯设备（中国）有限公司 | Multifunctional elevator traction transmission friction testing device and testing method |
| CN107787300A (en) * | 2015-06-23 | 2018-03-09 | 奥的斯电梯公司 | The increased tractive force of elevator device belt |
| CN205099166U (en) * | 2015-07-17 | 2016-03-23 | 三菱电机上海机电电梯有限公司 | Elevator that can adjust ability of towing tows board |
| CN205367399U (en) * | 2016-01-27 | 2016-07-06 | 江南嘉捷电梯股份有限公司 | Device of cornerite of wire rope and driving sheave is towed in increase |
| CN105800423A (en) * | 2016-05-09 | 2016-07-27 | 江南嘉捷电梯股份有限公司 | Household elevator |
| CN108016964A (en) * | 2017-12-06 | 2018-05-11 | 广州广日电梯工业有限公司 | A kind of elevator rope monitoring device and method |
| CN209259450U (en) * | 2018-08-24 | 2019-08-16 | 湖州巨创电梯部件有限公司 | A kind of device helping lift car lifting |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108750894A (en) | 2018-11-06 |
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