CN103350944B - Power driving device of escalator - Google Patents

Power driving device of escalator Download PDF

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Publication number
CN103350944B
CN103350944B CN201310333595.8A CN201310333595A CN103350944B CN 103350944 B CN103350944 B CN 103350944B CN 201310333595 A CN201310333595 A CN 201310333595A CN 103350944 B CN103350944 B CN 103350944B
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transmission
drive unit
transmission unit
internally toothed
gear
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CN103350944A (en
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黄民英
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Guangxi Qinbao Network Technology Co., Ltd
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黄民英
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Abstract

The invention discloses a power driving device of an escalator. The power driving device comprises an electromotor, a planetary gear transmission unit, a cylindrical gear transmission unit and a conical gear transmission unit, wherein the planetary gear transmission unit, the cylindrical gear transmission unit and the conical gear transmission unit are installed in a transmission case shell, the conical gear transmission unit is connected with a large chain wheel of the escalator, the electromotor is connected with the cylindrical gear transmission unit through a motor shaft, and the planetary gear transmission unit is connected with the cylindrical gear transmission unit and the conical gear transmission unit; the transmission case shell comprises a first shell body and a second shell body which is fixedly connected with the first shell body through an inner gear ring; one end of the inner gear ring is provided with a bidirectional locating bearing seat, the space in the transmission case shell is divided into a first transmission chamber and a second transmission chamber by the bidirectional locating bearing seat, the cylindrical gear transmission unit is arranged in the first transmission chamber, and the planetary gear transmission unit and the conical gear transmission unit are arranged in the second transmission chamber. Compared with the prior art, the power driving device disclosed by the invention can solve the problem of low output efficiency of an existing power transmission device for an escalator.

Description

Escalator Power Drive Unit
Technical field
The present invention relates to and relate to elevator gear manufacturing techniques field, especially a kind of for driving the power drive of staircase main frame.
Background technology
A kind of staircase power drive of the disclosure of the invention of Chinese patent " staircase power drive " (notification number is CN202744156U, and the day for announcing is on February 20th, 2013); This staircase power drive comprises the planetary gear transmission unit be connected with electrical motor and the Bevel Gear Drive gear unit docked with the hinge wheel of escalator, is provided with spur gear drive gear unit between described Planetary Gear Transmission gear unit and described Bevel Gear Drive gear unit; Described Planetary Gear Transmission gear unit, described spur gear drive gear unit and described Bevel Gear Drive gear unit are all contained in a transmission gearbox shell and are lubricated movement parts by the lubricating oil injected in described transmission gearbox shell; Described planetary gear reduction box has the pinion carrier being movably equipped with satellite gear be fixedly connected with transmission gearbox shell and the internally toothed annulus being enclosed within outside described pinion carrier and described satellite gear is connected with a joggle, and output shaft and the input shaft of conical gear case gear unit of described planetary gear transmission unit are that parallel offset distance is arranged.Its principle of work is: planetary gear transmission unit is primary speed-down transmission, the cylinder miniature gears being positioned at the mouth of internally toothed annulus and the cylinder big gear wheel be meshed with it are double reduction transmission, the strained condition that cylinder miniature gears and cylinder big gear wheel engage with monodentate provides input torque by the conical gear case that output shaft is the third stage, and the input shaft of three grades of drop-gear boxs and output shaft are mutual vertical deceleration transmission; Therefore, the output shaft of three grades of drop-gear boxs can be coaxial docking with the hinge wheel axle of escalator, and hinge wheel axle power being delivered to escalator by three grades of decelerations drives escalator operation.In use there is following deficiency in this staircase power drive: 1. the engagement between the large miniature gears of cylinder being in double reduction transmission is in monodentate engagement, the moment of torsion that gear will transmit is amplified by primary planet deceleration force amplifier, the flank of tooth is stressed larger, easy generation extrusion abrasion, the safety factor of the number of teeth can not be highly improved; 2. because the movement parts of three grades of deceleration transmission fills in a transmission gearbox shell, therefore the lubricating oil injected in transmission gearbox shell is relatively many, be positioned at the planetary reducer of primary speed-down transmission, output shaft due to it is located on internally toothed annulus, and internally toothed annulus soaks pouring in machine oil always, during operation, resistance is large, thus consumes larger power of motor, thus reduces the output efficiency of staircase power drive.
Summary of the invention
The object of this invention is to provide a kind of escalator Power Drive Unit, it can solve the low problem of existing staircase power drive output efficiency.
In order to solve the problem, the technical solution used in the present invention is: this escalator Power Drive Unit comprises electrical motor and is contained in the planetary gear transmission unit in a transmission gearbox shell, spur gear drive unit and the Bevel Gear Drive unit be connected with the hinge wheel of escalator, described electrical motor is connected with described spur gear drive unit by motor shaft, is connected with described planetary gear transmission unit between described spur gear drive unit and described Bevel Gear Drive unit;
Described transmission gearbox shell comprises the first housing and the second housing be fixedly connected with described first housing by internally toothed annulus; Two-way positioning bearing seat is provided with in described internally toothed annulus one end, space in described transmission gearbox shell is divided into the first Transmission Room and the second Transmission Room by described two-way positioning bearing seat, described spur gear drive unit is arranged in described first Transmission Room, and described planetary gear transmission unit and described Bevel Gear Drive unit are arranged in described second Transmission Room;
Described planetary gear transmission unit comprises the sun wheel shaft being provided with sun wheel and the pinion carrier be sleeved on outside described sun wheel shaft that are installed in described internally toothed annulus, described pinion carrier is movably equipped with satellite gear between described sun wheel and described internally toothed annulus, and described internally toothed annulus and described satellite gear and described satellite gear and described sun wheel are connected with a joggle; Described sun wheel shaft and described motor shaft are that offset distance is arranged.
In technique scheme, more specifically scheme can be: be provided with internally toothed annulus positioning table and positioning table in the outer rim of described two-way positioning bearing seat, and described two-way positioning bearing seat is plugged with the inwall of described internally toothed annulus and the inwall of described first housing respectively by described internally toothed annulus positioning table and described positioning table.
Further, the lubricating oil in described first Transmission Room and described second Transmission Room is spaced from each other.
Owing to have employed technique scheme, the present invention compared with prior art has following beneficial effect: 1, because transmission gearbox shell is divided into the first Transmission Room and the second Transmission Room and lubricating oil in the first Transmission Room and the second Transmission Room is spaced from each other, according to the operating condition of moving parts, the different lubricating oil of fuel head can be injected in two Transmission Rooms; The injection that relatively can reduce lubricating oil at the first Transmission Room makes the large and small gear of the cylinder of High Rotation Speed adopt lubrication by atomization, gear need not steep completely and produce fluid resistance to the gear in motion in lubricating oil, reduce the watt loss of gear in rotation process, improve the output efficiency of escalator Power Drive Unit; 2, because planetary gear transmission unit and spur gear drive cellular installation are in the first housing of transmission gearbox shell, original two gears case are united two into one, make the volume of whole transmission device compacter, the contraction in length of whole transmission gearbox shell more than 100 millimeter, when installation site is identical, the axial dimension of electrical motor is lengthened, for the function of the high-power transmitting torque of increasing motor provides favourable condition.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is outside drawing of the present invention.
Fig. 3 is the structural representation of planetary gear transmission unit of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, the invention will be further described:
The planetary gear transmission unit that escalator Power Drive Unit as shown in Figure 1, Figure 2 and Figure 3 comprises electrical motor 11 and is contained in a transmission gearbox shell, spur gear drive unit and the Bevel Gear Drive unit be connected with the hinge wheel of escalator, electrical motor 11 is connected with spur gear drive unit by motor shaft 12, is connected with planetary gear transmission unit between spur gear drive unit and Bevel Gear Drive unit; Transmission gearbox shell is included the first housing 8, first housing 8 and is fixedly connected with by bolt one end with internally toothed annulus 4, and the other end bolt of internally toothed annulus 4 is connected with the second housing 3; In one end of internally toothed annulus 4, two-way positioning bearing seat 7 is housed, be respectively equipped with internally toothed annulus positioning table 7-2 and positioning table 7-1 in the outer rim of two-way positioning bearing seat 7, two-way positioning bearing seat is plugged with the inwall of internally toothed annulus 4 and the inwall of the first housing 8 respectively by its internally toothed annulus positioning table 7-2 and positioning table 7-1; Space in transmission gearbox shell is divided into the first Transmission Room 15 and the second Transmission Room 17 by two-way positioning bearing seat 7, and spur gear drive cellular installation is in the first Transmission Room 15, and planetary gear transmission unit and Bevel Gear Drive cellular installation are in the second Transmission Room 17; Lubricating oil in first Transmission Room 15 and the second Transmission Room 17 is spaced from each other, the injection that relatively can reduce lubricating oil at the first Transmission Room makes the large and small gear of the cylinder of High Rotation Speed adopt lubrication by atomization, gear need not steep in lubricating oil completely, make lubricating oil produce fluid resistance to the gear in motion, reduce the watt loss of gear in engagement process.
Spur gear drive unit comprises cylinder pinion shaft 10 and cylinder big gear wheel 16, cylinder miniature gears and the cylinder big gear wheel 16 of cylinder pinion shaft 10 axle head are connected with a joggle, and cylinder pinion shaft 10 is inserted in the first housing 8 by pushing out ring 14 in the bearing installed thereon and the bearing be sleeved on outside bearing; Cylinder pinion shaft 10 is connected with motor shaft 12 by axle sleeve 13.
Planetary gear transmission unit comprises the sun wheel shaft 9 being provided with sun wheel 9-1 be installed in internally toothed annulus 4 and the pinion carrier 6 be sleeved on outside sun wheel shaft 9, pinion carrier 6 is movably equipped with satellite gear 5 between sun wheel 9-1 and internally toothed annulus 4, and internally toothed annulus 4 is connected with a joggle with sun wheel 9-1 with satellite gear 5 and satellite gear 5; The two ends of pinion carrier 6 are arranged on respectively by the conical bearing installed thereon in the bearing socket of the second housing 3 and two-way positioning bearing seat 7 side; Sun wheel shaft 9 has the gear mounting shaft section of stretching out two-way positioning bearing seat 7 side, gear mounting shaft section is provided with cylinder big gear wheel 16, in the two ends of gear mounting shaft section are inserted into two-way positioning bearing seat 7 opposite side bearing socket respectively by the bearing installed thereon and in the first housing 8.Sun wheel shaft 9 is arranged in offset distance with motor shaft 12.
Bevel Gear Drive unit comprises the driving tapered gear shaft 2 that the castellated shaft 18 by cooperatively interacting is connected with pinion carrier 6 with spline housing 19, the driving tapered gear shaft 2 of the present embodiment is provided with cone pinion in termination, cone pinion and cone gear 1 are connected with a joggle, cone gear 1 is sleeved on the output shaft of Bevel Gear Drive unit, and output shaft is connected with the hinge wheel of escalator by flange.
During work, electrical motor 11 drives the running of escalator hinge wheel by spur gear drive unit, planetary gear transmission unit and Bevel Gear Drive unit three grades of deceleration transmission, drives escalator operation; Because transmission gearbox shell is divided into the first Transmission Room 15 and the second Transmission Room 17 and lubricating oil between two Transmission Rooms is spaced from each other, can according to the operating condition of moving parts, the different lubricating oil of fuel head is injected in two Transmission Rooms, the injection that first Transmission Room 15 can reduce lubricating oil relatively makes the large and small gear of the cylinder of High Rotation Speed adopt lubrication by atomization, gear need not steep completely and produce fluid resistance to the gear in motion in lubricating oil, reduce the watt loss of gear in rotation process, improve the output efficiency of escalator Power Drive Unit.

Claims (3)

1. an escalator Power Drive Unit, the planetary gear transmission unit comprising electrical motor (11) and be contained in a transmission gearbox shell, spur gear drive unit and the Bevel Gear Drive unit be connected with the hinge wheel of escalator, it is characterized in that: described electrical motor (11) is connected with described spur gear drive unit by motor shaft (12), between described spur gear drive unit and described Bevel Gear Drive unit, be connected with described planetary gear transmission unit;
Described transmission gearbox shell comprises the first housing (8) and the second housing (3) be fixedly connected with described first housing (8) by internally toothed annulus (4); Two-way positioning bearing seat (7) is provided with in described internally toothed annulus (4) one end, space in described transmission gearbox shell is divided into the first Transmission Room (15) and the second Transmission Room (17) by described two-way positioning bearing seat (7), described spur gear drive unit is arranged in described first Transmission Room (15), and described planetary gear transmission unit and described Bevel Gear Drive unit are arranged in described second Transmission Room (17);
Described planetary gear transmission unit comprises the sun wheel shaft (9) being provided with sun wheel (9-1) that is installed in described internally toothed annulus (4) and is sleeved on described sun wheel shaft (9) pinion carrier outward (6), described pinion carrier (6) is movably equipped with satellite gear (5) between described sun wheel (9-1) and described internally toothed annulus (4), and described internally toothed annulus (4) is connected with a joggle with described sun wheel (9-1) with described satellite gear (5) and described satellite gear (5); Described sun wheel shaft (9) and described motor shaft (12) are arranged in offset distance.
2. escalator Power Drive Unit according to claim 1, it is characterized in that: be provided with internally toothed annulus positioning table (7-2) and positioning table (7-1) in the outer rim of described two-way positioning bearing seat (7), described two-way positioning bearing seat (7) is plugged with the inwall of described internally toothed annulus (4) and the inwall of described first housing (8) respectively by described internally toothed annulus positioning table (7-2) and described positioning table (7-1).
3. escalator Power Drive Unit according to claim 1 and 2, is characterized in that: the lubricating oil in described first Transmission Room (15) and described second Transmission Room (17) is spaced from each other.
CN201310333595.8A 2013-08-02 2013-08-02 Power driving device of escalator Active CN103350944B (en)

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CN201310333595.8A CN103350944B (en) 2013-08-02 2013-08-02 Power driving device of escalator

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CN103350944A CN103350944A (en) 2013-10-16
CN103350944B true CN103350944B (en) 2015-07-15

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105329761B (en) * 2015-12-04 2017-02-01 中国矿业大学 Bilateral circulation ramp elevator

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN200940665Y (en) * 2006-08-09 2007-08-29 叶横灿 Driving device
CN201003576Y (en) * 2007-02-06 2008-01-09 煤炭科学研究总院太原分院 Gear change of crawler running mechanism
CN101293614A (en) * 2007-04-26 2008-10-29 黄民英 Escalator or moving pavement driving device
JP2009274585A (en) * 2008-05-14 2009-11-26 Gkn ドライブライン トルクテクノロジー株式会社 Power transmission device
CN202744156U (en) * 2012-08-15 2013-02-20 柳州凯迪电梯设备有限责任公司 Power transmission device for escalator
CN203474197U (en) * 2013-08-02 2014-03-12 黄民英 Power driving device for escalator

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN200940665Y (en) * 2006-08-09 2007-08-29 叶横灿 Driving device
CN201003576Y (en) * 2007-02-06 2008-01-09 煤炭科学研究总院太原分院 Gear change of crawler running mechanism
CN101293614A (en) * 2007-04-26 2008-10-29 黄民英 Escalator or moving pavement driving device
JP2009274585A (en) * 2008-05-14 2009-11-26 Gkn ドライブライン トルクテクノロジー株式会社 Power transmission device
CN202744156U (en) * 2012-08-15 2013-02-20 柳州凯迪电梯设备有限责任公司 Power transmission device for escalator
CN203474197U (en) * 2013-08-02 2014-03-12 黄民英 Power driving device for escalator

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Effective date of registration: 20201130

Address after: Room A107, public service center, No.1 Zhongma street, Qinzhou Industrial Park, Qinzhou port area, Qinzhou pilot Free Trade Zone, Guangxi Zhuang Autonomous Region

Patentee after: Guangxi Qinbao Network Technology Co., Ltd

Address before: 545006 the Guangxi Zhuang Autonomous Region Liuzhou city and the industrial district and run road No. 2 No. 2 building

Patentee before: Huang Minying

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