CN107140509B - Traction machine - Google Patents

Traction machine Download PDF

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Publication number
CN107140509B
CN107140509B CN201710414374.1A CN201710414374A CN107140509B CN 107140509 B CN107140509 B CN 107140509B CN 201710414374 A CN201710414374 A CN 201710414374A CN 107140509 B CN107140509 B CN 107140509B
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China
Prior art keywords
rotor
fixed
magnetic induction
traction
main body
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Application number
CN201710414374.1A
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Chinese (zh)
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CN107140509A (en
Inventor
沈立
任云龙
范坚坚
胡娜
许朱永
吴骏
张林林
陈波
杨华杰
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Zhejiang Xizi Forward Electrical Machinery Co Ltd
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Zhejiang Xizi Forward Electrical Machinery Co Ltd
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Publication of CN107140509A publication Critical patent/CN107140509A/en
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    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/0006—Monitoring devices or performance analysers
    • B66B5/0018—Devices monitoring the operating condition of the elevator system
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching

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  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)

Abstract

The invention discloses a traction machine, which comprises a main body part fixedly arranged, a rotating part rotatably arranged on the main body part and a magnetic induction encoder, wherein the magnetic induction encoder comprises: the device comprises a sensed part and a magnetic induction sensing device matched with the sensed part; the sensed part is a gear tooth of a barring gear ring in the rotating part, and the magnetic induction sensing device is installed on the main body part. The invention applies the magnetic induction encoder to the tractor, and utilizes the barring gear ring in the tractor as the sensed part, thereby keeping the original structure of the tractor unchanged, reducing the manufacturing cost of the tractor and keeping the running stability of the tractor.

Description

Traction machine
Technical Field
The invention relates to the technical field of elevators, in particular to a traction machine.
Background
A traction machine is a power device of an elevator for transporting and transmitting power to operate the elevator. In order to ensure the normal operation of the elevator, the operation state of the traction machine needs to be monitored.
The detection of the output speed and the rotating position of the tractor in the prior art usually adopts a photoelectric encoder, the photoelectric encoder has higher requirements on installation precision, and has the defects of signal loss, repeated counting and the like in the use process, and the safety requirement cannot be fully met for the special equipment of the elevator.
Along with the development of position and speed detection sensor technology, a magnetic induction encoder appears, has the advantages of small size, simplicity and easiness in installation, high transmission precision, high detection speed and the like, and is used for being favorable for improving the performance of a traction machine.
The patent document CN 105905764a discloses a magnetic induction encoder applied to a hoisting machine, in which a gear that is independently machined is mounted on a rotating member of the hoisting machine, and the position of the gear teeth relative to a magnetic induction sensing device is detected to detect the output speed of the hoisting machine. Because the gear is the part that sets up alone, may have after long-term the use to become flexible, cause the measurement inaccurate, moreover also need consider during the installation with the cooperation of rotating part, waste time and energy.
Disclosure of Invention
The invention provides a traction machine, which utilizes the existing jigger gear ring structure of the traction machine as a component of a magnetic induction encoder, has small structural change to the traction machine, is convenient to install and is easy to popularize.
A traction machine comprises a main body part which is fixedly arranged and a rotating part which is rotatably installed on the main body part, and is also provided with a magnetic induction encoder, wherein the magnetic induction encoder comprises: the device comprises a sensed part and a magnetic induction sensing device matched with the sensed part; the sensed part is a gear tooth of a barring gear ring in the rotating part, and the magnetic induction sensing device is installed on the main body part.
The invention takes the gear teeth of the barring gear ring as the sensed part in the magnetic induction encoder, the sensed part rotates synchronously with the barring gear ring, the magnetic induction sensing device is in a fixed position and is not in direct contact with the sensed part, a periodic waveform signal such as a sine wave, a square wave or other waveforms is output by detecting the magnetic field intensity change of the sensed part in the rotating process, and an elevator control system controls the output rotating speed and the rotating position of a tractor by using the output waveform signal.
The gear teeth of the barring gear ring are used as sensed parts, the processing precision of the barring gear ring is only required to be improved, parts do not need to be additionally arranged, the structure of each part of the traction machine is maintained, and the transformation cost is reduced.
Preferably, the rotating part comprises a rotor and a traction sheave which are fixed with each other, the barring gear ring is fixed on the rotor or the traction sheave, and the rotor is mounted relative to the main body part in a manner that:
the main body part comprises a fixed shaft, and the rotor is arranged on the fixed shaft through a bearing;
alternatively, the rotating part includes a rotating shaft fixed to the rotor, and the rotating shaft is mounted on the main body part through a bearing.
Preferably, the main body part comprises a stator, the rotor forms a radial magnetic field with the stator through a permanent magnet or a rotor winding, and the traction sheave and the permanent magnet or the rotor winding of the rotor are arranged along the axial direction.
Preferably, the barring gear ring is fixed on the rotor and is positioned on one side far away from the traction sheave in the axial direction;
or the barring gear ring is fixed on the traction wheel and is positioned on one side far away from the permanent magnet or the rotor winding of the rotor in the axial direction.
Preferably, the barring gear ring is fixed on the rotor and is of an integral structure with the rotor. And the barring gear ring is fixed on the axial end face of the rotor. The main body portion includes a housing disposed about the rotor, the magnetic induction sensing device being mounted on the housing.
Preferably, the barring gear ring is fixed on the traction sheave and is of an integral structure with the traction sheave. The barring gear ring is fixed on the outer peripheral surface of the traction wheel. The main body part comprises a barring seat positioned on the outer side of the barring gear ring, and the magnetic induction sensing device is installed on the barring seat.
The invention applies the magnetic induction encoder to the tractor, and utilizes the barring gear ring in the tractor as the sensed part, thereby keeping the original structure of the tractor unchanged, reducing the manufacturing cost of the tractor and keeping the running stability of the tractor.
Drawings
Fig. 1 is a schematic view of a traction machine in embodiment 1;
FIG. 2 is an enlarged view of section E of FIG. 1;
fig. 3 is a schematic view of a traction machine in embodiment 2;
fig. 4 is an enlarged view of a portion F in fig. 3.
In the figure: 7101. turning a handwheel; 7102. a disc seat; 7103. a housing; 7104. a rotor; 7105. turning a gear ring; 7106. a traction sheave; 7107. a deep groove ball bearing; 7108. a stator; 7109. a magnetic induction sensing device; 7110. a rotating shaft; 7111. gear teeth; 7112. a self-aligning roller bearing; 7201. turning a handwheel; 7202. a disc seat; 7203. a housing; 7204. a rotor; 7205. turning a gear ring; 7206. a traction sheave; 7207. a deep groove ball bearing; 7208. a stator; 7209. a magnetic induction sensing device; 7210. a fixed shaft; 7211. and (4) gear teeth.
Detailed Description
The traction machine of the present invention will be described in detail with reference to the accompanying drawings.
Example 1
As shown in fig. 1, the traction machine includes: stator 7108, rotor 7104 rotationally matched with stator 7108, rotating shaft 7110 fixedly connected with rotor 7104, and traction sheave 7106 fixedly connected with rotor 7104. During operation of the machine, the stator 7108 remains fixed in position as the main body portion, and the rotor 7104 and the traction sheave 7106 rotate relative to the stator 7108 as the rotating portion.
Set up the permanent magnet on the rotor 7104, rely on radial magnetic field interact between rotor 7104 and the stator 7108, axis of rotation 7110 and rotor 7104 fixed connection, the both ends of axis of rotation 7110 are respectively through aligning roller bearing 7112 and deep groove ball bearing 7107 and stator 7108 normal running fit.
The traction sheave 7106 is arranged coaxially with the rotor 7104, and the traction sheave 7106 is arranged axially with the permanent magnet of the rotor 7104. As shown in fig. 1, the barring gear ring 7105 is located on the outer circumferential surface of the traction sheave 7106 and is integrally structured with the traction sheave 7106, and the traction sheave 7106 is fixed to the rotor 7104 by bolts. The barring gear ring 7105 is on the side away from the permanent magnets of the rotor 7104 in the axial direction.
The periphery of the rotor 7104 is provided with a shell 7103 which is of an integrated structure with the stator 7108, a barring seat 7102 is fixedly installed on the shell 7103 through bolts, the barring seat 7102 is located on the outer side of a barring gear ring 7105, and a socket matched with a barring hand wheel 7101 is arranged on the barring seat 7102.
When the tractor normally runs, the barring hand wheel 7101 is separated from the tractor, when the barring is needed, the barring hand wheel 7101 is inserted into the socket, a gear on the barring hand wheel 7101 is meshed with the barring gear ring 7105, and the barring hand wheel 7101 is rotated to perform barring operation.
Be equipped with the magnetic induction encoder, the magnetic induction encoder includes: the device comprises a sensed part and a magnetic induction sensing device matched with the sensed part. As shown in fig. 1 and 2, a gear tooth 7111 of the barring gear ring 7105 serves as a sensed member, a magnetic induction sensing device 7109 is mounted on the barring seat 7102, and the magnetic induction sensing device 7109 is located on one side of the barring gear ring 7105 in the radial direction.
Example 2
As shown in fig. 3, the traction machine includes: a stator 7208, a fixed shaft 7210 fixedly coupled to the stator 7208, a rotor 7204 rotatably coupled to the stator 7208, and a traction sheave 7206 fixed to the rotor 7204. During the operation of the traction machine, the stator 7208 remains fixed in position as a main body portion, and the rotor 7204 and the traction sheave 7206 rotate relative to the stator 7208 as a rotating portion.
The rotor 7204 is provided with a permanent magnet, the rotor 7204 and the stator 7208 interact with each other by means of a radial magnetic field, and the rotor 7204 is in running fit with the fixed shaft 7210 by means of two deep groove ball bearings 7207 arranged side by side.
The traction sheave 7206 is disposed coaxially with the rotor 7204 and is fixedly connected to the rotor 7204 by bolts, and the traction sheave 7206 and the permanent magnets of the rotor 7204 are arranged in the axial direction. As shown in fig. 3, the barring gear ring 7205 is fixed on an axial end face of the rotor 7204 by bolts, and is located on a side away from the traction sheave 7206 in the axial direction. The barring gear ring 7205 may also be integral with the rotor 7204.
The periphery of rotor 7204 is equipped with the casing 7203 with stator 7208 body structure, utilize bolt fixed mounting to have barring seat 7202 on casing 7203, barring seat 7202 is located the outside of barring ring gear 7205, is equipped with the socket with barring hand wheel 7201 matched with on the barring seat 7202.
When the traction machine normally operates, the turning hand wheel 7201 is separated from the traction machine, when turning is needed, the turning hand wheel 7201 is inserted into the socket, a gear on the turning hand wheel 7201 is engaged with the turning gear ring 7205, and the turning hand wheel 7201 is rotated to perform turning operation.
Be equipped with the magnetic induction encoder, the magnetic induction encoder includes: a sensed member, and a magnetic induction sensing device 7209 cooperating with the sensed member. As shown in fig. 3 and 4, the gear teeth 7211 of the barring gear ring 7205 serve as a sensed member, the magnetic induction sensing device 7209 is attached to the housing 7203 or the barring seat 7202, and the magnetic induction sensing device 7209 is located on the radial side of the barring gear ring 7205.
One or more magnetic induction sensing devices can be arranged for one sensed component according to needs, and the mutual position relation between the magnetic induction sensing devices and the sensed component is set according to needs.
According to the invention, the magnetic induction encoder is applied to the traction machine, the position relation between the sensed component and the magnetic induction sensing device is adjusted according to actual needs, and the working principle of the magnetic induction encoder is the same as that of the prior art and is not repeated.

Claims (9)

1. The utility model provides a traction machine, is installed including the fixed main part that sets up and rotation the rotating part on the main part, its characterized in that still is equipped with the magnetic induction encoder, the magnetic induction encoder includes: the device comprises a sensed part and a magnetic induction sensing device matched with the sensed part; the sensed part is a gear tooth of a barring gear ring in the rotating part, and the magnetic induction sensing device is mounted on the main body part;
the rotating part comprises a rotor and a traction wheel which are fixed with each other, the barring gear ring is fixed on the rotor or the traction wheel, and the rotor is installed relative to the main body part in the following way:
the main body part comprises a fixed shaft, and the rotor is arranged on the fixed shaft through a bearing;
alternatively, the rotating part includes a rotating shaft fixed to the rotor, and the rotating shaft is mounted on the main body part through a bearing.
2. The traction machine as recited in claim 1, wherein a stator is included in the main body part, the rotor forms a radial magnetic field with the stator by a permanent magnet or rotor winding, and the traction sheave and the permanent magnet or rotor winding of the rotor are arranged in an axial direction.
3. The traction machine as recited in claim 1 or 2, wherein the barring gear ring is fixed to the rotor on a side away from the traction sheave in the axial direction;
or the barring gear ring is fixed on the traction wheel and is positioned on one side far away from the permanent magnet or the rotor winding of the rotor in the axial direction.
4. The machine as recited in claim 3, wherein the barring gear ring is fixed to the rotor and is of unitary construction with the rotor.
5. The traction machine as recited in claim 4, wherein the jigger ring gear is fixed to an axial end face of the rotor.
6. The machine as claimed in claim 5, wherein said main body portion includes a housing at an outer periphery of the rotor, and said magnetic induction sensing means is mounted on the housing.
7. The traction machine as claimed in claim 6, wherein the barring gear ring is fixed on the traction sheave and is of an integral structure with the traction sheave.
8. The traction machine as recited in claim 7, wherein the jigger teeth ring is fixed to an outer peripheral surface of the traction sheave.
9. The machine as recited in claim 8, wherein the main body part includes a jigger seat outside the jigger ring gear, and the magnetic induction sensing device is mounted on the jigger seat.
CN201710414374.1A 2017-06-05 2017-06-05 Traction machine Active CN107140509B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710414374.1A CN107140509B (en) 2017-06-05 2017-06-05 Traction machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710414374.1A CN107140509B (en) 2017-06-05 2017-06-05 Traction machine

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CN107140509A CN107140509A (en) 2017-09-08
CN107140509B true CN107140509B (en) 2022-12-27

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108718138A (en) * 2018-07-10 2018-10-30 永大电梯设备（中国）有限公司 A kind of encoder and its permanent magnetic synchronous traction machine

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4284028A (en) * 1979-02-14 1981-08-18 Swanburg Mark G English/metric conversion mechanism for speedometers
CN1850577A (en) * 2006-05-18 2006-10-25 杭州富沃德电子电器有限公司 Small-sized permanent-magnet synchnorous gearless dragging machine
CN202321890U (en) * 2011-10-19 2012-07-11 沈阳博林特电梯股份有限公司 Switched reluctance traction drive device for inner rotors
CN202988494U (en) * 2012-10-26 2013-06-12 浙江西子富沃德电机有限公司 Elevator traction machine

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1310822C (en) * 2004-07-05 2007-04-18 黄民英 Dragging machine of elevator
CN2756601Y (en) * 2004-10-29 2006-02-08 杭州西子孚信科技有限公司 Permanent magnet synchronous gearless traction machine
CN200948998Y (en) * 2006-05-20 2007-09-19 郭自刚 Permanent-magnet gearless elevator traction machine with high sampling accuracy and labour-saving jigger mechanism
CN101712432B (en) * 2009-12-18 2011-11-16 刘志广 Gear driving machine with gear shifting mechanism
CN201634296U (en) * 2009-12-18 2010-11-17 刘志广 Geared traction machine with speed-change mechanism
KR101923286B1 (en) * 2013-12-09 2018-11-28 미쓰비시덴키 가부시키가이샤 Rotation angle detector, rotating electrical machine, and elevator hoist
CN104401830B (en) * 2014-10-21 2017-01-11 广州日滨科技发展有限公司 Electric rescue barring device for elevator with machine room
CN205610428U (en) * 2016-04-27 2016-09-28 蒂森克虏伯电梯（上海）有限公司 Permanent synchronous tractor
CN206901551U (en) * 2017-06-05 2018-01-19 浙江西子富沃德电机有限公司 A kind of traction machine

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4284028A (en) * 1979-02-14 1981-08-18 Swanburg Mark G English/metric conversion mechanism for speedometers
CN1850577A (en) * 2006-05-18 2006-10-25 杭州富沃德电子电器有限公司 Small-sized permanent-magnet synchnorous gearless dragging machine
CN202321890U (en) * 2011-10-19 2012-07-11 沈阳博林特电梯股份有限公司 Switched reluctance traction drive device for inner rotors
CN202988494U (en) * 2012-10-26 2013-06-12 浙江西子富沃德电机有限公司 Elevator traction machine

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