CN206345573U - A kind of elevator drag device - Google Patents
A kind of elevator drag device Download PDFInfo
- Publication number
- CN206345573U CN206345573U CN201621368063.3U CN201621368063U CN206345573U CN 206345573 U CN206345573 U CN 206345573U CN 201621368063 U CN201621368063 U CN 201621368063U CN 206345573 U CN206345573 U CN 206345573U
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- car
- directive wheel
- sheave
- traction
- traction machine
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Abstract
The utility model discloses a kind of elevator drag device, including：Traction machine（1）, directive wheel（2）, directive wheel mounting seat（3）, lift car rope head plate（4）, car diversion sheave（5）, car（6）, counterweight diversion sheave（7）, counterweight（8）；Steel wire rope is through counterweight diversion sheave（7）Vertically upward past traction machine（1）Traction sheave, traction machine（1）One end passes through steel wire rope and counterweight diversion sheave（7）Be connected, the other end directly with car diversion sheave（6）It is connected；Car diversion sheave（6）One end passes through steel wire rope and traction machine（1）It is connected, the other end and directive wheel（2）It is connected.After adopting the structure, system centre higher position is changed into traction sheave center to the difference in height at crosshead sheave center by the difference in height at original traction sheave center to directive wheel center, considerably increases cornerite.
Description
Technical field
The utility model is related to a kind of lift appliance, specifically a kind of to be used for elevator lifting drag device.
Background technology
The major function of the drag device of elevator is output and transmission power, runs elevator, mainly by traction machine, traction
Steel wire rope, directive wheel and diversion sheave composition, in recent years, growth and progressive and people life are continued to develop due to Power Electronic Technique
The flat raising of running water, requirement of the people to elevator also more and more higher, comfort level and safety to elevator are also more paid close attention to, and to make electricity
Ladder operates steadily safety, with regard to that need to ensure to be not in the not enough skidding car slipping of traction or guide rail when elevator installation and debugging are with checking and accepting
Insufficient strength produces the problem of car shakes.The traction cornerite maximum of the drag device of traditional elevator is only capable of reaching 160 °, it is impossible to
Ensure that hoist ropes is non-slip on the traction sheave, also result in without enough frictional force to realize traction-driven.As shown in figure 1,11
For traction sheave, 12 be steel wire rope, and 13 be directive wheel, and cornerite size is the angle at directive wheel, and it is directly proportional to H, with TZ values into
Inverse ratio.Limited with the increase of lift car area or by hoistway space, car inevitably depth or width
Larger, the increase of TZ values directly affects the traction capacity of elevator.Traction capacity deficiency not only results in steel wire iope slippage, shortens steel
The cord life-span, and be possible to cause car accidental movement to cause the generation of shearing accident, directly affect passenger safety.In addition,
Drag device of the prior art uses after-combustion structure, causes the increase of elevator cost.
Utility model content
In view of the above problems, it is proposed that the utility model overcomes above mentioned problem to provide one kind or solved at least in part
The certainly lift appliance of above mentioned problem.
Especially, the invention provides a kind of elevator drag device, including：Traction machine, directive wheel, directive wheel mounting seat,
Lift car rope head plate, car diversion sheave, car, counterweight diversion sheave, counterweight；Steel wire rope is through counterweight diversion sheave vertically upward past traction
The traction sheave of machine, traction machine one end is connected by steel wire rope with counterweight diversion sheave, and the other end is directly connected with car diversion sheave；
Car diversion sheave one end is connected by steel wire rope with traction machine, and the other end is connected with directive wheel.Directive wheel mounting seat is arranged on sedan-chair
On the rope hitch plate of railway carriage or compartment, directive wheel is installed on directive wheel mounting seat；The top of car is connected with the car diversion sheave.
Further, the elevator drag device uses 2：1 traction ratio.Lift car rope head plate is arranged away from tractor stand
In spandrel girder lower end.Directive wheel is centrosymmetrically arranged with traction machine on crosshead sheave.The computer room of elevator drag device includes traction
Machine, directive wheel, lift car rope head plate and counterweight rope hitch plate.
After above structure, the utility model lift appliance compared with prior art, with advantages below：
For the elevator structure of big TZ values, the utility model uses the after-combustion structure used in the prior art instead single around knot
Structure, can reduce cost；It for common elevator solution, can suitably reduce kerf angle angle, improve the service life of steel wire rope,
Meanwhile, steel wire rope can downshift and use, and reduce cost.Traction machine is moved to close to the position of counterweight, one end and counterweight diversion sheave phase
Even, the other end is directly connected with car diversion sheave.Due to adopting the structure, system centre higher position is by original traction sheave center
Difference in height to directive wheel center is changed into traction sheave center to the difference in height at crosshead sheave center, considerably increases cornerite.With
Car is descending, and system centre height will become big with the decline of car, and cornerite would tend to 180 degree, considerably increase traction energy
Power, reduces the possibility of steel wire iope slippage, improves rope service-life.
Further, it is directed to wheel and spandrel girder upper end is transferred to by original spandrel girder lower end, and in crosshead sheave
The heart is arranged symmetrically.Increase by one group of longitudinally guiding wheel at tractor stand, make the displacement constraint of horizontal direction to tractor stand, but
Compression rebound of the without prejudice to frame in vertical direction.Therefore, crosshead sheave two ends deflection angle of rope angle is identical, horizontal component size
It is equal, in the opposite direction, horizontal drive is not present during cage operation, it is ensured that car comfortableness is unaffected.
Further, lift car rope head plate is away from tractor stand, and is arranged in spandrel girder lower end.Therefore, frame dimensions
It is centrosymmetrically arranged, structure is compacter, rubber is more uniformly stressed, rack level inclination angle is smaller, can reduces on traction machine
The vertical vibration excitation of car.
Further, the stress point of spandrel girder is transferred to two ends from center, and integral rigidity enhancing, amount of deflection diminishes, elevator
Stability becomes strong.
Described above is only the general introduction of technical solutions of the utility model, in order to better understand skill of the present utility model
Art means, and being practiced according to the content of specification, and in order to allow above and other objects of the present invention, feature and excellent
Point can become apparent, below especially exemplified by embodiment of the present utility model.
According to the accompanying drawings to the detailed description of the utility model specific embodiment, those skilled in the art will be more
Plus understand of the present utility model above-mentioned and other purposes, advantages and features.
Brief description of the drawings Fig. 1 is the geometric representation of elevator cornerite；Fig. 2 is the structural representation of the utility model lift appliance
Figure；Fig. 3 is the machine room plan of the utility model lift appliance；Fig. 4 is that the car lifting of the utility model lift appliance becomes
Change schematic diagram.
Wherein, 1, traction machine；2nd, directive wheel；3rd, directive wheel mounting seat；4th, lift car rope head plate；5th, car diversion sheave；6th, sedan-chair
Railway carriage or compartment；7th, counterweight diversion sheave；8th, counterweight；9th, counterweight rope hitch plate embodiment is right with reference to the accompanying drawings and detailed description
The utility model is described in further detail.
As shown in Fig. 2 the elevator drag device includes traction machine 1, directive wheel 2, directive wheel mounting seat 3, lift car rope head plate
4, car diversion sheave 5, car 6, counterweight diversion sheave 7, counterweight 8.Steel wire rope is through counterweight diversion sheave 7 vertically upward past traction machine 1
Traction sheave, the one end of traction machine 1 is connected by steel wire rope with counterweight diversion sheave 7, and the other end is directly connected with car diversion sheave 6
Connect.The one end of car diversion sheave 5 is connected by steel wire rope with traction machine 1, and the other end is connected with directive wheel 2.Directive wheel mounting seat 3 is pacified
On lift car rope head plate 4, directive wheel 2 is installed on directive wheel mounting seat.The top of car 6 is connected with the car diversion sheave 7.
Preferably, the elevator drag device uses 2：1 traction ratio.
Preferably, lift car rope head plate 4 is away from tractor stand, and is arranged in spandrel girder lower end；Frame is in traction machine
The heart is arranged symmetrically.Structure is compacter, and rubber is more uniformly stressed, and rack level inclination angle is smaller, can reduce the Vertical Vibrating of car
Dynamic excitation.And the stress point of spandrel girder is transferred to two ends from center, integral rigidity enhancing, amount of deflection diminishes, and stability becomes strong.
Preferably, directive wheel 2 is centrosymmetrically arranged with traction machine 1 on crosshead sheave.Because crosshead sheave two ends steel wire rope is inclined
Angle angle is identical, and horizontal component is equal in magnitude, in the opposite direction, therefore, horizontal drive is not present during cage operation, it is ensured that sedan-chair
Railway carriage or compartment comfortableness is unaffected.
As shown in figure 3, the computer room of the elevator drag device includes traction machine 1, directive wheel 2, lift car rope head plate 4 and right
Weight rope hitch plate 9.
As shown in figure 4, left figure shows that TZ values are minimum, and cornerite is maximum when lift car 6 is located at bottom；Right figure is shown
When lift car 6 is located at top layer, TZ values are maximum, cornerite minimum.As can be seen here, elevator run when, system centre higher position by
Originally the difference in height at traction sheave center to directive wheel center is changed into traction sheave center to the difference in height at crosshead sheave center, increases
Cornerite is added.It is particularly noteworthy that as car is descending, system centre height will become big with the decline of car, cornerite
180 degree is would tend to, traction capacity is considerably increased, the possibility of steel wire iope slippage is reduced, improves rope service-life.
Claims (5)
1. a kind of elevator drag device, including：Traction machine（1）, directive wheel（2）, directive wheel mounting seat（3）, lift car rope head plate
（4）, car diversion sheave（5）, car（6）, counterweight diversion sheave（7）, counterweight（8）；It is characterized in that：Steel wire rope is through counterweight diversion sheave
（7）Vertically upward past traction machine（1）Traction sheave, traction machine（1）One end passes through steel wire rope and counterweight diversion sheave（7）It is connected,
The other end directly with car diversion sheave（6）It is connected；Car diversion sheave（6）One end passes through steel wire rope and traction machine（1）It is connected, separately
One end and directive wheel（2）It is connected；Directive wheel mounting seat（3）Installed in lift car rope head plate（4）On, directive wheel（2）It is installed on guiding
Take turns mounting seat；Car（6）Top and the car diversion sheave（7）Connection；Directive wheel（2）With traction machine（1）On crosshead sheave
It is centrosymmetrically arranged.
2. device according to claim 1, the elevator drag device uses 2：1 traction ratio.
3. device according to claim 1, wherein, lift car rope head plate（4）Away from tractor stand, and it is arranged in spandrel girder
Lower end.
4. device according to claim 1, wherein, increase by one group of longitudinally guiding wheel at tractor stand（10）, to traction
Machine frame makees the displacement constraint of horizontal direction, but without prejudice to frame is in the compression rebound of vertical direction.
5. the device according to any one of claim 1-4, wherein, the computer room of elevator drag device includes traction machine（1）、
Directive wheel（2）, lift car rope head plate（4）And counterweight rope hitch plate（9）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621368063.3U CN206345573U (en) | 2016-12-14 | 2016-12-14 | A kind of elevator drag device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621368063.3U CN206345573U (en) | 2016-12-14 | 2016-12-14 | A kind of elevator drag device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206345573U true CN206345573U (en) | 2017-07-21 |
Family
ID=59322409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621368063.3U Active CN206345573U (en) | 2016-12-14 | 2016-12-14 | A kind of elevator drag device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206345573U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109292597A (en) * | 2018-12-04 | 2019-02-01 | 康力电梯股份有限公司 | A kind of novel elevator driving traction steel-cable device and its winding method |
| CN112538925A (en) * | 2020-12-26 | 2021-03-23 | 广东正通博雅装饰工程有限公司 | Relief type suspended ceiling and process thereof |
-
2016
- 2016-12-14 CN CN201621368063.3U patent/CN206345573U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109292597A (en) * | 2018-12-04 | 2019-02-01 | 康力电梯股份有限公司 | A kind of novel elevator driving traction steel-cable device and its winding method |
| CN112538925A (en) * | 2020-12-26 | 2021-03-23 | 广东正通博雅装饰工程有限公司 | Relief type suspended ceiling and process thereof |
| CN112538925B (en) * | 2020-12-26 | 2022-05-10 | 广东正通博雅装饰工程有限公司 | Relief type suspended ceiling and process thereof |
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