CN203889845U - Pneumatic elevator barring gear - Google Patents
Pneumatic elevator barring gear Download PDFInfo
- Publication number
- CN203889845U CN203889845U CN201420333995.9U CN201420333995U CN203889845U CN 203889845 U CN203889845 U CN 203889845U CN 201420333995 U CN201420333995 U CN 201420333995U CN 203889845 U CN203889845 U CN 203889845U
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- pneumatic
- pneumatic cylinder
- cylinder pressure
- machine shaft
- speed
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Abstract
The utility model relates to a pneumatic elevator barring gear which comprises a foot pressure transmitting device or a pneumatic device, an air inlet pipeline, a rotating pneumatic cylinder, a speed change mechanism, a traction machine shaft and a brake wheel. The foot pressure transmitting device or the pneumatic device transmits pneumatic force to the rotating pneumatic cylinder through the air inlet pipeline, outputs torque through a rotating shaft of the rotating pneumatic cylinder and drives the traction machine shaft and the brake wheel arranged on the traction machine shaft through the speed change mechanism. A flow valve is arranged at the tail end of the air inlet pipeline and used for controlling the air inlet speed and the barring speed. The rotating shaft of the rotating pneumatic cylinder is provided with a spring self-locking device which can prevent reverse rotation. According to the pneumatic elevator barring gear, pneumatic air feeding is adopted for driving the brake wheel is adopted, the double hands can be released from releasing a brake, and the pneumatic elevator barring gear has the advantages of being flexible in control, capable of saving space and convenient to mount and dismount and capable of saving manpower resources input in emergency relief.
Description
Technical field
The utility model relates to elevator technology field, relates in particular to a kind of pneumatic type lift barring device, and this device can be realized tired ladder rescue, experimental test lift car leveling.
Background technology
In recent years, along with the day of commercial land is becoming tight, elevator is as the corollary equipment of project development, and elevator civil engineering space configuring redundancy will form high Civil Cost, directly affects the exploitation of project.Investigate domestic elevator engineering present situation and find, the problem of elevator Existential Space redundancy is more outstanding; In order to solve spatial redundancy, main thinking is optimized hoistway layout and part design exactly, wherein by optimal design motor turning gear, can solve the problem of machine room spatial redundancy.Optimize the axial arranged size of motor of machine room, be conducive to reduce machine room size (meeting under the prerequisite of GB standard space for maintenance regulation), reduce machine room civil engineering cost; But current turning gear all needs with M/C, need pre-made allowance to prevent jiggering tong, machine room size is difficult to realize compression.
Still there are some problems in current scheme, as patent CN2441784Y adopts the engagement of large miniature gears, can not realize self-locking, and set up big gear wheel flank of tooth mechanism and make brake wheel axial dimension larger, can not realize the compression of machine room size; In addition, patent CN101804935A adopts wheeled crank block device, and turning gear lateral arrangement is larger to the dimensional characteristic of machine room vertical braking wheel direction, and need to the hands operate, and cannot realize single emergency relief.
Utility model content
The purpose of this utility model is to overcome the deficiency of above-mentioned prior art, and a kind of pneumatic type lift barring device is provided, and it can be realized without hand turning and operating, can limitization design margin, optimize machine room space, reduce civil engineering cost, safety is higher, and can realize flexibly the design of division of room.
For achieving the above object, the utility model has adopted following technical scheme:
A kind of pneumatic type lift barring device, comprise foot pressure transfering appts or pneumatic equipment, induction tract, rotary pneumatic cylinder pressure, speed-changing mechanism, machine shaft and brake wheel, described foot pressure transfering appts or pneumatic equipment import aerodynamic force into rotary pneumatic cylinder pressure through induction tract, by the S. A. output torque of rotary pneumatic cylinder pressure, through speed-changing mechanism, drive machine shaft and upper brake wheel thereof to rotate.
Further, the S. A. of described rotary pneumatic cylinder pressure is provided with a spring self-lock device.
Further, described induction tract is provided with a flow valve.
Further, described speed-changing mechanism comprises the big gear wheel on the S. A. that is arranged on rotary pneumatic cylinder pressure and is arranged on the miniature gears in machine shaft, between described large and small gear, is meshed.
Further, described speed-changing mechanism comprises the large belt wheel on the S. A. that is arranged on rotary pneumatic cylinder pressure and is arranged on the small pulley in machine shaft, between described large and small belt wheel, by Timing Belt, connects.
Further, the anglec of rotation of the S. A. of described rotary pneumatic cylinder pressure is 0 °～190 °.
Further, in described rotary pneumatic cylinder pressure, be provided with rack and pinion, S. A. and the gear of described rotary pneumatic cylinder pressure coaxially arrange, and by described aerodynamic force driving gear bar driven gear and S. A., rotate.
Compared with prior art, the utlity model has following advantage:
1, adopt pneumatic type barring mechanism, can realize transmission self-locking, improved the safety of turning gear, avoid the danger of driving;
2, can control less jiggering gap (50mm), reduce the planning of machine room main frame axial dimension, save building cost;
3, for the emergency relief of low speed underloading main frame, can realize single (using both hands and feet) operation, reduce human input.
Accompanying drawing explanation
Fig. 1 is the structural representation of the first embodiment of the utility model pneumatic type lift barring device;
Fig. 2 is the structural representation of the second embodiment of the utility model pneumatic type lift barring device;
The specific embodiment
The utility model is described in further detail for the embodiment providing below in conjunction with accompanying drawing.
Embodiment 1:
As shown in Figure 1, a kind of pneumatic type lift barring device that the present embodiment provides, comprise foot pressure transfering appts or pneumatic equipment 1, induction tract 2, rotary pneumatic cylinder pressure 3, speed-changing mechanism 4, machine shaft 5 and brake wheel 6, wherein speed-changing mechanism 4 comprises the big gear wheel 41 on the S. A. 31 that is arranged on rotary pneumatic cylinder pressure 3 and is arranged on the miniature gears 42 in machine shaft 5, big gear wheel 41 is positioned at the downside of miniature gears 42 and is engaged with, and the cooperation by large miniature gears reaches and subtracts power effect.
Induction tract 2 is arranged on the left side of rotary pneumatic cylinder pressure 3, transmission direction is cw, otherwise be conter clockwise, foot pressure transfering appts or pneumatic equipment 1 import aerodynamic force into rotary pneumatic cylinder pressure 3 through induction tract 2, by S. A. 31 output torques of rotary pneumatic cylinder pressure 3, drive big gear wheel 41 motions, through miniature gears 42, drive machine shaft 5 and 6 motions of upper brake wheel thereof, realize jiggering operation.Induction tract 2 ends are provided with a flow valve 7, in order to control intake velocity, and adjustment disk vehicle speed.The S. A. 31 of rotary pneumatic cylinder pressure 3 is provided with a spring self-lock device 8, can prevent from reversing.
In rotary pneumatic cylinder pressure 3, be provided with rack and pinion, S. A. 31 and the gear of rotary pneumatic cylinder pressure 3 coaxially arrange, and during work, by aerodynamic force driving gear bar driven gear and S. A., rotate.As preferably, the anglec of rotation of the S. A. 31 of rotary pneumatic cylinder pressure 3 is 0 °～190 °.
Lift barring device described in the present embodiment, adopts pneumatic air inlet transmission brake wheel, is conducive to liberate both hands for discharging band-type brake, has to control flexibly, conserve space, be convenient to the feature of installing/dismounting, and can save the human resources that emergency relief drops into.
Embodiment 2:
As shown in Figure 2, with embodiment 1 difference be, described in the present embodiment, the speed-changing mechanism 4 of pneumatic type lift barring device comprises the large belt wheel 43 on the S. A. 31 that is arranged on rotary pneumatic cylinder pressure 3 and is arranged on the small pulley 44 in machine shaft 5, between large and small belt wheel, by Timing Belt 45, connect, the cooperation by large small pulley reaches and subtracts power effect.
To sum up, in order to detect the tooth bar size of rotary pneumatic cylinder pressure, now lift barring stroke is designated as to L, elevator traction sheave radius is R, and elevator traction wheel shaft radius is R ', and major diameter power wheel is R "; rotary pneumatic cylinder pressure transmission shaft radius is r, and tooth bar miles of relative movement is S, known:
Traction sheave rotates number of turns N=L/2 π R
Elevator traction wheel shaft rotational travel L '=2 π R ' N=2 π R ' L/2 π R=L R '/R
Major diameter power wheel rotates number of turns N '=L '/2 π R "=L R '/2 π R R "
Tooth bar miles of relative movement S=2 π rN '=2 π rL R '/2 π R R "=L R ' r/R R "
If L=4000mm, R=250mm, R '=50mm, R "=200mm, r=10mm, known S=40mm
By upper detection, approximately 4 centimetres of the length of tooth bar.
In order to detect the time t of jiggering, now rotary pneumatic cylinder pressure power is designated as to P, efficiency is designated as η, and jiggering power is designated as F, and jiggering stroke is designated as L, known:
Jiggering time t=FL/P η
If F=3000kg * 9.8N/kg=29400N, L=4m, η=0.6, P=5kw, known S=39.2S
By upper detection, the jiggering time is approximately less than 1min.
As described above, it is only preferred embodiment of the present utility model, when not limiting the scope that the utility model is implemented with this, the simple equivalence of generally doing according to the utility model claim and utility model description changes and modifies, and all still belongs in the scope that the utility model patent contains.
Claims (7)
1. a pneumatic type lift barring device, it is characterized in that: comprise foot pressure transfering appts or pneumatic equipment, induction tract, rotary pneumatic cylinder pressure, speed-changing mechanism, machine shaft and brake wheel, described foot pressure transfering appts or pneumatic equipment import aerodynamic force into rotary pneumatic cylinder pressure through induction tract, by the S. A. output torque of rotary pneumatic cylinder pressure, through speed-changing mechanism, drive machine shaft and upper brake wheel thereof to rotate.
2. a kind of pneumatic type lift barring device according to claim 1, is characterized in that: the S. A. of described rotary pneumatic cylinder pressure is provided with a spring self-lock device.
3. a kind of pneumatic type lift barring device according to claim 1, is characterized in that: described induction tract is provided with a flow valve.
4. a kind of pneumatic type lift barring device according to claim 1, is characterized in that: described speed-changing mechanism comprises the big gear wheel on the S. A. that is arranged on rotary pneumatic cylinder pressure and is arranged on the miniature gears in machine shaft, between described large and small gear, is meshed.
5. a kind of pneumatic type lift barring device according to claim 1, it is characterized in that: described speed-changing mechanism comprises the large belt wheel on the S. A. that is arranged on rotary pneumatic cylinder pressure and is arranged on the small pulley in machine shaft, between described large and small belt wheel, by Timing Belt, connects.
6. a kind of pneumatic type lift barring device according to claim 1, is characterized in that: the anglec of rotation of the S. A. of described rotary pneumatic cylinder pressure is 0 °～190 °.
7. a kind of pneumatic type lift barring device according to claim 1, it is characterized in that: in described rotary pneumatic cylinder pressure, be provided with rack and pinion, S. A. and the gear of described rotary pneumatic cylinder pressure coaxially arrange, and by described aerodynamic force driving gear bar driven gear and S. A., rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420333995.9U CN203889845U (en) | 2014-06-20 | 2014-06-20 | Pneumatic elevator barring gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420333995.9U CN203889845U (en) | 2014-06-20 | 2014-06-20 | Pneumatic elevator barring gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203889845U true CN203889845U (en) | 2014-10-22 |
Family
ID=51716273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420333995.9U Expired - Fee Related CN203889845U (en) | 2014-06-20 | 2014-06-20 | Pneumatic elevator barring gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203889845U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104595175A (en) * | 2015-01-15 | 2015-05-06 | 王洪臣 | Pneumatic disc pump device |
| WO2016112816A1 (en) * | 2015-01-14 | 2016-07-21 | 北京升华电梯有限公司 | Pneumatic brake releasing apparatus used on elevator hoisting machine |
-
2014
- 2014-06-20 CN CN201420333995.9U patent/CN203889845U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016112816A1 (en) * | 2015-01-14 | 2016-07-21 | 北京升华电梯有限公司 | Pneumatic brake releasing apparatus used on elevator hoisting machine |
| CN105836651A (en) * | 2015-01-14 | 2016-08-10 | 升华电梯有限公司 | Air brake removing device used on elevator traction machine |
| US10228032B2 (en) | 2015-01-14 | 2019-03-12 | BEIJING SUNWA ELEVATOR Co., Ltd | Pneumatic brake release apparatus used on elevator traction machine |
| CN104595175A (en) * | 2015-01-15 | 2015-05-06 | 王洪臣 | Pneumatic disc pump device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141022 Termination date: 20200620 |