CN108988587B - Method for disassembling transmission part of output shaft of motor in wear-resistant material production line - Google Patents

Method for disassembling transmission part of output shaft of motor in wear-resistant material production line Download PDF

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Publication number
CN108988587B
CN108988587B CN201810894537.5A CN201810894537A CN108988587B CN 108988587 B CN108988587 B CN 108988587B CN 201810894537 A CN201810894537 A CN 201810894537A CN 108988587 B CN108988587 B CN 108988587B
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nut block
output shaft
transmission part
motor
wear
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CN201810894537.5A
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CN108988587A (en
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杨毫真
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Ningguo Jisi Intellectual Property Operation Co ltd
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Jiangxi Jisi Intellectual Property Operation Co Ltd
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K15/00Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
    • H02K15/0006Disassembling, repairing or modifying dynamo-electric machines
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K7/00Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/003Couplings; Details of shafts

Abstract

The invention discloses a method for disassembling an output shaft transmission part of a motor in a wear-resistant material production line, which comprises the steps of clamping the front section of a nut block by using a wrench, screwing the nut block outwards, gradually jacking the transmission part on an output shaft forwards by the front end surface of the nut block until the nut block moves to the foremost end of a thread section; using a spanner to reversely rotate the nut block, and moving the nut block backwards for a certain distance to enable a certain distance to be reserved between the transmission component and the nut block; two semicircular rings are arranged between the transmission part and the nut block in a cushioning manner, and the two semicircular rings are in opposite contact to form a circular ring; then a wrench is used for clamping the front section of the nut block, the nut block is screwed outwards, and the front end face of the semicircular ring pushes the transmission part on the output shaft forwards gradually until the transmission part is pushed out of the output shaft of the motor of the production line of the wear-resistant material. The method can not cause the deformation of the rotor shaft of the motor when the transmission component is disassembled.

Description

Method for disassembling transmission part of output shaft of motor in wear-resistant material production line
Technical Field
The invention belongs to the technical field of motor use, and particularly relates to a method for disassembling an output shaft transmission part of a motor on a wear-resistant material production line.
Background
At rubber products manufacturing enterprise, need use the motor in a large number on rubber products's production facility and the assembly line, the output shaft of current motor is the integration metal axle of a straight shape, and need install drive disk assembly like gear, band pulley etc. at the output shaft during the motor use, the output shaft drive disk assembly dismantlement method of current wear-resisting material production line motor, beat through strikeing, overlap the drive disk assembly on the output shaft of motor, cause the injury to parts such as motor rotor axle, bearing easily, make the rotor axle take place to warp, the noise is big during the follow-up operation of motor, it is serious to generate heat, influence motor life.
Disclosure of Invention
The invention aims to solve the technical problem of providing a method for disassembling an output shaft transmission part of a motor in a wear-resistant material production line, which can not cause the deformation of a rotor shaft of the motor when the transmission part is disassembled.
In order to solve the technical problems, the invention adopts the technical scheme that:
a method for disassembling an output shaft transmission part of a wear-resistant material production line motor comprises a casing, a front end cover and a rear end cover are respectively arranged at two ends of the casing, a stator and a rotor are arranged in the casing, the rotor comprises a rotor shaft, the rotor shaft comprises a rotor shaft body, a key groove is axially arranged on the outer peripheral surface of the output end of the rotor shaft body, a part, close to the key groove, of the rotor shaft body is a threaded section, threads are arranged on the outer peripheral surface of the threaded section, and the threaded section is in threaded connection with a nut block made of a metal material;
a groove for accommodating the nut block is formed in the outer side face of the front end cover;
the nut block comprises a front section close to the key slot and a rear section far away from the key slot, and the front section is hexagonal;
the method for disassembling the transmission part of the output shaft of the motor on the wear-resistant material production line comprises the following steps:
a. clamping the front section of the nut block by using a wrench, screwing the nut block outwards, and gradually jacking the transmission part on the output shaft forwards under the jacking action of the front end surface of the nut block until the nut block moves to the foremost end of the thread section;
b. using a spanner to reversely rotate the nut block, wherein the nut block moves backwards for a certain distance, so that a certain distance is reserved between the transmission component and the nut block;
c. two semicircular rings are arranged between the transmission component and the nut block in a cushioning mode, and the two semicircular rings are in opposite contact to form a circular ring;
d. and then, a wrench is used for clamping the front section of the nut block, the nut block is screwed outwards, and the transmission part on the output shaft is gradually pushed forwards under the pushing action of the front end face of the semicircular ring until the transmission part is pushed out of the output shaft of the motor of the wear-resistant material production line.
Preferably, in the step c, one, two or more layers of semicircular rings are arranged between the transmission component and the nut block.
Preferably, a step formed by removing the material from the front section is arranged at the joint of the front section and the rear section.
Due to the adoption of the technical scheme, the invention has the beneficial effects that:
the invention relates to a method for disassembling an output shaft transmission part of a motor on a wear-resistant material production line, which is characterized in that the transmission part is gradually pushed forwards under the action force of the outer end face of a nut block and the outer end face of a cushion block of a semicircular ring, so that the transmission part is gradually disassembled from a rotor shaft body, and the disassembling process is completed. The transmission part is not required to be detached by hammering, so that the problem that the rotor shaft body is deformed by hammering is avoided, the concentricity of the rotor shaft body is good, and good operation of the motor is guaranteed.
Drawings
The drawings are only for purposes of illustrating and explaining the present invention and are not to be construed as limiting the scope of the present invention. Wherein:
FIG. 1 is a schematic view of a connection structure of a motor and a transmission wheel according to a method for disassembling a transmission part of an output shaft of a motor in a production line of wear-resistant materials;
FIG. 2 is a schematic structural view of the rotor shaft of FIG. 1;
FIG. 3 is a schematic view of FIG. 2 with the drive wheel mounted;
FIG. 4 is a flow chart of the method for disassembling the driving wheel of the output shaft of the motor in the production line of the wear-resistant material;
in the figure: 1-a machine shell; 2-front end cover; 21-a groove; 3-rear end cap; 4-a rotor shaft; 41-rotor shaft body; 411-a threaded segment; 412-keyway; 42-nut block; 421-the preceding paragraph; 422-rear section; 423-step; 5-a transmission wheel; 6-an elongated bond; 7-semicircular ring.
Detailed Description
The invention is further illustrated below with reference to the figures and examples. In the following detailed description, certain exemplary embodiments of the present invention are described by way of illustration only. Needless to say, a person skilled in the art realizes that the described embodiments can be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and not intended to limit the scope of the claims.
As shown in fig. 1 to 3, the motor for the method for disassembling the output shaft transmission component of the motor in the production line of wear-resistant materials of the present invention includes a casing 1, a front end cover 2 and a rear end cover 3 are respectively disposed at two ends of the casing 1, a stator (not shown) and a rotor are disposed in the casing 1, the rotor includes a rotor shaft 4, the rotor shaft 4 includes a rotor shaft body 41, a key slot 412 is axially disposed on an outer circumferential surface of an output end of the rotor shaft body 41, a portion of the rotor shaft body 41 close to the key slot 412 is a threaded section 411, a thread is disposed on an outer circumferential surface of the threaded section 11, and the threaded section 411 is in threaded connection. The nut block 42 has a length that is adapted to the length of the transmission component to be removed, i.e. substantially equal, or slightly larger or smaller. The outer side surface of the front end cover 2 is provided with a groove 21 for accommodating the nut block 42.
The nut block 42 includes a front section 421 proximate the keyway 412 and a rear section 422 distal from the keyway 412.
The front section 421 is hexagonal and the rear section 422 may be hexagonal or cylindrical.
The connecting part of the front section 421 and the rear section 422 is provided with a step 423 formed by removing the material from the front section 421.
Referring to fig. 1 and 3, the driving wheel 5 is sleeved on the motor rotor shaft for the wear-resistant material production equipment, the long key 6 is clamped into the key groove on the outer side wall of the rotor shaft body 41 and the key groove on the inner side wall of the driving wheel 5, when the driving wheel 5 needs to be disassembled, the front section 421 of the nut block 42 is clamped through a wrench, the nut block 42 is gradually screwed, the nut block 42 is gradually moved outwards, the driving wheel 5 is gradually disassembled from the rotor shaft body 41 under the acting force of the outer end face of the nut block 42, and the disassembling process is completed. The driving wheel 5 is not required to be detached through hammering, so that the problem that the rotor shaft body 41 is deformed due to hammering is solved, the concentricity of the rotor shaft body 41 is good, and good operation of the motor is guaranteed.
The structure of other parts of the motor for the wear-resistant material production equipment, such as the stator and other parts, is the prior art and is not described herein again.
Referring to fig. 4, the method for disassembling the transmission part of the output shaft of the motor in the production line of the wear-resistant material comprises the following steps:
a. a wrench is used for clamping the front section of the nut block 42, the nut block is screwed outwards, and under the jacking action of the front end face of the nut block, the driving wheel on the output shaft is jacked forwards gradually until the nut block 42 moves to the foremost end of the thread section 411;
b. using a wrench, the nut block 42 is rotated reversely, and the nut block 42 moves backward by a certain distance, so that a certain distance is left between the transmission component and the nut block 42;
c. two semicircular rings 7 are arranged between the driving wheel and the nut block 42 in a cushioning manner, and the two semicircular rings 7 are in opposite contact to form a circular ring;
d. then a spanner is used for clamping the front section of the nut block 42, the nut block 42 is screwed outwards, and the driving wheel on the output shaft is gradually pushed forwards under the pushing action of the front end face of the semicircular ring 7 until the driving wheel is pushed out of the output shaft of the motor of the wear-resistant material production line.
Preferably, in step c, one, two or more layers of semi-circular rings may be stacked between the driving wheel and the nut block 42.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (3)

1. A method for disassembling an output shaft transmission part of a motor in a wear-resistant material production line comprises a casing, a front end cover and a rear end cover are respectively arranged at two ends of the casing, a stator and a rotor are arranged in the casing, the rotor comprises a rotor shaft, the rotor shaft comprises a rotor shaft body, a key groove is axially arranged on the outer peripheral surface of the output end of the rotor shaft body,
the part, close to the key groove, of the rotor shaft body is a threaded section, threads are arranged on the outer peripheral surface of the threaded section, and the threaded section is in threaded connection with a nut block made of a metal material;
a groove for accommodating the nut block is formed in the outer side face of the front end cover;
the nut block comprises a front section close to the key slot and a rear section far away from the key slot, and the front section is hexagonal;
the method for disassembling the transmission part of the output shaft of the motor on the wear-resistant material production line comprises the following steps:
a. clamping the front section of the nut block by using a wrench, screwing the nut block outwards, and gradually jacking the transmission part on the output shaft forwards under the jacking action of the front end surface of the nut block until the nut block moves to the foremost end of the thread section;
b. using a spanner to reversely rotate the nut block, wherein the nut block moves backwards for a certain distance, so that a certain distance is reserved between the transmission component and the nut block;
c. two semicircular rings are arranged between the transmission component and the nut block in a cushioning mode, and the two semicircular rings are in opposite contact to form a circular ring;
d. and then, a wrench is used for clamping the front section of the nut block, the nut block is screwed outwards, and the transmission part on the output shaft is gradually pushed forwards under the pushing action of the front end face of the semicircular ring until the transmission part is pushed out of the output shaft of the motor of the wear-resistant material production line.
2. The method for disassembling the transmission part of the output shaft of the motor in the production line of the wear-resistant material as claimed in claim 1, wherein: and c, padding one, two or more layers of semicircular rings between the transmission component and the nut block.
3. The method for disassembling the transmission part of the output shaft of the motor in the production line of the wear-resistant material as recited in claim 1 or 2, wherein: and a step formed by removing the material from the front section is arranged at the joint of the front section and the rear section.
CN201810894537.5A 2018-08-08 2018-08-08 Method for disassembling transmission part of output shaft of motor in wear-resistant material production line Active CN108988587B (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102478008A (en) * 2010-11-25 2012-05-30 苏祥 Shaft end locking structure of pump
CN203166650U (en) * 2013-03-19 2013-08-28 苏州汇川技术有限公司 Motor rotor core fixing structure and motor
CN203818092U (en) * 2014-04-23 2014-09-10 浙江万里扬变速器股份有限公司 Bearing dismounting tool
CN104227653A (en) * 2014-09-16 2014-12-24 沈阳飞机工业(集团)有限公司 Tool for disassembling oppositely pressed shoulder bushings and method for disassembling oppositely pressed shoulder bushings
CN204118952U (en) * 2014-09-26 2015-01-21 大洋电机新动力科技有限公司 The syndeton of motor and shaft coupling
CN207189565U (en) * 2017-07-04 2018-04-06 滁州卷烟材料厂 A kind of tool structure for facilitating bearing of the crank pin to change in filter-stick forming device

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4457061A (en) * 1982-03-31 1984-07-03 Dowley Manufacturing, Inc. Harmonic balancer installer
CN207470629U (en) * 2017-11-30 2018-06-08 河南蒲瑞精密机械有限公司 Closed type bearing disassembling tool

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102478008A (en) * 2010-11-25 2012-05-30 苏祥 Shaft end locking structure of pump
CN203166650U (en) * 2013-03-19 2013-08-28 苏州汇川技术有限公司 Motor rotor core fixing structure and motor
CN203818092U (en) * 2014-04-23 2014-09-10 浙江万里扬变速器股份有限公司 Bearing dismounting tool
CN104227653A (en) * 2014-09-16 2014-12-24 沈阳飞机工业(集团)有限公司 Tool for disassembling oppositely pressed shoulder bushings and method for disassembling oppositely pressed shoulder bushings
CN204118952U (en) * 2014-09-26 2015-01-21 大洋电机新动力科技有限公司 The syndeton of motor and shaft coupling
CN207189565U (en) * 2017-07-04 2018-04-06 滁州卷烟材料厂 A kind of tool structure for facilitating bearing of the crank pin to change in filter-stick forming device

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Address before: Office 2, building 2, commercial and residential building, No. 68, Bayi Fourth Avenue, Zhanggong District, Ganzhou City, Jiangxi Province

Applicant before: Jiangxi Jisi Intellectual Property Operation Co.,Ltd.

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Denomination of invention: A disassembly method for the output shaft transmission components of a wear-resistant material production line motor

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