CN108988584A - The spare carbon brush mounting device of generator and the spare carbon brush installation method of generator - Google Patents

The spare carbon brush mounting device of generator and the spare carbon brush installation method of generator Download PDF

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Publication number
CN108988584A
CN108988584A CN201811112399.7A CN201811112399A CN108988584A CN 108988584 A CN108988584 A CN 108988584A CN 201811112399 A CN201811112399 A CN 201811112399A CN 108988584 A CN108988584 A CN 108988584A
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CN
China
Prior art keywords
carbon brush
generator
spare carbon
spare
mounting device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201811112399.7A
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Chinese (zh)
Other versions
CN108988584B (en
Inventor
王建涛
刘志强
房志强
汪海
张兴隆
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China General Nuclear Power Corp
CGN Power Co Ltd
Original Assignee
China General Nuclear Power Corp
CGN Power Co Ltd
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Publication date
Application filed by China General Nuclear Power Corp, CGN Power Co Ltd filed Critical China General Nuclear Power Corp
Priority to CN201811112399.7A priority Critical patent/CN108988584B/en
Publication of CN108988584A publication Critical patent/CN108988584A/en
Application granted granted Critical
Publication of CN108988584B publication Critical patent/CN108988584B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K13/00Structural associations of current collectors with motors or generators, e.g. brush mounting plates or connections to windings; Disposition of current collectors in motors or generators; Arrangements for improving commutation
    • H02K13/003Structural associations of slip-rings
    • 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

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Motor Or Generator Current Collectors (AREA)
  • Motor Or Generator Frames (AREA)

Abstract

The present invention relates to a kind of spare carbon brush mounting device of generator and the spare carbon brush installation methods of generator.The spare carbon brush mounting device of generator includes bracket, radial supporter and axial support.Wherein, bracket with exciter stator for being fixedly connected.Radial supporter is connect with bracket, and the extending direction of radial supporter and exciter stator is radially consistent, and sliding slot is provided on radial supporter.Axial support is vertically installed on radial supporter, and is slidably cooperated with sliding slot, so that axial support can do the movement close to or far from Generator Slip Ring, axial support is for connecting spare carbon brush.The above-mentioned spare carbon brush mounting device of generator, which is realized, installs spare carbon brush in the case where generator work, ensure that generator rotor ground protection can continue to run, reduces maintenance cost.

Description

The spare carbon brush mounting device of generator and the spare carbon brush installation method of generator
Technical field
The present invention relates to electrical repair fields, standby more particularly to a kind of spare carbon brush mounting device of generator and generator With carbon brush installation method.
Background technique
Generator is commonly used equipment in electric field.Generator need to be equipped with 3 DMR carbon brush, to supervise in generator is run Survey rotor insulation.Specifically, the rotor of generator is high-speed rotary part, and Injection Signal will be entered by slip ring and carbon brush configuration Rotor windings and big axis.Carbon brush shares 3, is rotor windings cathode carbon brush, positive carbon brush and the big axis of rotor respectively from outside to inside Carbon brush is arranged in the underface of corresponding slip ring, is fixed up by a slip ring axis connection.
In generator operation, if a certain branch carbon brush breaks down, generator rotor insulation monitoring system will lead to System cannot work, and will lead to shutdown when serious.Since slip ring is 1500 rpms of high-speed rotating equipments, and only with carbon brush distance 2mm or so, personnel can not dismount and replacement carbon brush online at all.But it such as to shut down and new carbon brush is installed, and power plant band can be given Carry out economic loss.
Summary of the invention
Based on this, it is necessary in view of the above-mentioned problems, providing a kind of spare carbon brush mounting device of generator and generator is spare Carbon brush installation method.
The application provides a kind of spare carbon brush mounting device of generator, comprising:
Bracket, for being fixedly connected with exciter stator;
Radial supporter is connect with the bracket, the extending direction of the radial supporter and the exciter stator It is radially consistent;Sliding slot is provided on the radial supporter;
Axial support is vertically installed on the radial supporter, and is slidably cooperated with the sliding slot, so that institute Movement close to or far from Generator Slip Ring can be done by stating axial support, and the axial support is for connecting spare carbon brush.
The above-mentioned spare carbon brush mounting device of generator is installed on exciter stator by bracket, and can be in axial branch Spare carbon brush is installed in support member, by the way that axial support is slided to slip ring, so that spare carbon brush is abutted on slip ring, instead of The carbon brush to break down on generator, and then realize and spare carbon brush is installed in the case where generator work, it ensure that power generation Machine rotor ground protection can continue to run, and reduce maintenance cost.
The bracket includes central tube and more struts in one of the embodiments, and the more struts are circumferentially It is uniformly arranged on the outer peripheral surface of the central tube.
Through-hole is offered on the every strut in one of the embodiments, is equipped with connector in the through-hole, The connector is for wearing to the top wire hole on the exciter stator.
One end of the radial supporter is connect with the outer peripheral surface of the central tube in one of the embodiments, described Also it is equipped with the first reinforcer on radial supporter, one end of first reinforcer connects the radial supporter, and described first The other end of reinforcer is connected on the strut.
The spare carbon brush mounting device of the generator further includes the second reinforcer in one of the embodiments, and described One end of two reinforcers is connect with one end far from the radial supporter of the axial support, second reinforcer The other end is arranged on the bracket.
Second reinforcer includes reinforcing rope and tension part in one of the embodiments, the tension part setting In on bracket, described rope one end of reinforcing is connect with one end far from the radial supporter of the axial support, described to add The other end restricted by force is connect with the tension part.
The axial support includes pedestal and the vertically disposed ontology of the pedestal, institute in one of the embodiments, Pedestal is stated slidably to cooperate with the sliding slot.
Lock hole is offered on the pedestal in one of the embodiments, fastener, institute are provided in the lock hole Stating fastener can be locked in the axial support on the radial supporter.
Mounting hole is offered on the ontology in one of the embodiments, the mounting hole is described spare to install Carbon brush.
The application separately provides a kind of spare carbon brush installation method of generator, comprising the following steps:
There is provided above-mentioned generator spare carbon brush mounting device;
It secures a bracket on exciter stator;
Spare carbon brush is installed in axial support;
Axial support is inserted into sliding slot, and the axial support is moved to the spare carbon towards Generator Slip Ring Brush and Generator Slip Ring are away from the first distance;
The carbon brush wiring for removing failure, accesses spare carbon brush wiring.
The above-mentioned spare carbon brush installation method of generator, which is realized, installs spare carbon brush in the case where generator work, guarantees Generator rotor ground protection can continue to run, and reduce maintenance cost.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the spare carbon brush mounting device of generator of an embodiment;
Fig. 2 is the left view of the spare carbon brush mounting device of generator shown in Fig. 1;
Fig. 3 is the structural schematic diagram of the radial supporter of the spare carbon brush mounting device of generator shown in Fig. 1;
Fig. 4 is the structural schematic diagram of the axial support of the spare carbon brush mounting device of generator shown in Fig. 1;
Fig. 5 is the left diagram of axial support shown in Fig. 4;
Fig. 6 is the scheme of installation of the spare carbon brush mounting device of generator of an embodiment;
Fig. 7 is the final position relationship signal of the spare carbon brush mounting device of generator shown in Fig. 6 and Generator Slip Ring Figure;
Fig. 8 is the flow chart of the spare carbon brush installation method of generator of an embodiment.
Specific embodiment
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing to the present invention Specific embodiment be described in detail.Many details are explained in the following description in order to fully understand this hair It is bright.But the invention can be embodied in many other ways as described herein, those skilled in the art can be not Similar improvement is done in the case where violating intension of the present invention, therefore the present invention is not limited to the specific embodiments disclosed below.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to To another element or it may be simultaneously present centering elements.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term " and or " used herein includes one or more phases Any and all combinations of the listed item of pass.
- Fig. 7 referring to Figure 1, the spare carbon brush mounting device 100 of the generator of an embodiment include bracket 110, radial support Part 120 and axial support 130.Wherein, bracket 110 with the exciter stator 200 of generator for being fixedly connected, thus will The spare carbon brush mounting device 100 of generator is fixed on exciter stator 200.Specifically, bracket 100 can pass through fastener or weldering The modes such as connect to be fixedly connected on the flange face of exciter stator, the flange face of exciter stator be exciter stator with hair The perpendicular end face of the axial direction of motor sliding ring 300.
Radial supporter 120 is connect with bracket 110, specifically, radial supporter 120 can by welding or be threadedly coupled or Other connection types are fixedly connected with bracket 110.Further, the extending direction of radial supporter 120 and exciter stator Radial direction is consistent.Sliding slot 121, the extending direction of sliding slot 121 and the radial supporter are offered on radial supporter 120 120 extending direction is consistent.
Axial support 130 with spare carbon brush 310 for connecting.Specifically, axial support 130 and radial supporter 120 are vertically arranged, so that the extending direction of axial support 130 is axial consistent with Generator Slip Ring 300.Further Ground, the setting of axial support 130 is slidably matched in sliding slot 121, and with sliding slot 121, so that 130 energy of axial support The movement close to or far from Generator Slip Ring 300 is done, and then drives spare carbon brush mobile towards Generator Slip Ring 300.
The above-mentioned spare carbon brush mounting device 100 of generator is installed on exciter stator 200 by bracket 110, and is led to It crosses and opens up sliding slot 121 in radial supporter 120, then axial support 130 is arranged in sliding slot 121, due to radial support 120 extending direction of part is radially consistent with exciter stator 200, so that axial support can be leaned on slowly when moving along sliding slot Nearly Generator Slip Ring 300.Further, by installing spare carbon brush 310 in axial support 130, and by axial support 300 is mobile towards Generator Slip Ring 300, so as to which spare carbon brush 310 to be moved on slip ring, instead of the failure carbon brush on generator 320, and then realize and spare carbon brush is installed in the case where generator work, it ensure that power generation function continues to be safely operated.Together When, economic loss caused by shutdown installation carbon brush is avoided, maintenance cost is reduced.
Specifically, bracket 110 includes central tube 111 and more struts 112, more branch in one of the embodiments, Bar 112 is uniformly arranged on the outer peripheral surface of central tube 111 along the circumferential direction of central tube 111.Such as in the present embodiment, strut 112 quantity is 4, and 4 struts 112 are uniformly arranged on the outer peripheral surface of central tube 111, i.e., between adjacent two struts 112 Angle be 90 degree so that it is in X-shaped that bracket 110 is whole.Further, one end of every strut 112 being connect with central tube 111 Arc-shaped recess is offered, arc-shaped recess and the outer peripheral surface of central tube 111 match, so that strut 112 can be with central tube 111 Outer peripheral surface closely connect.Further, strut 112 and central tube 111 are welded to connect.
By the way that more struts 112 are welded on central tube 112, so that welding procedure is more simple, and each strut 112 Align also more preferable control.It should be noted that in another embodiment, bracket 110 can also save central tube 111, directly More 112 one end of strut are welded together, to save material.Preferably, central tube 111 is steel pipe, and strut 112 uses slot The features such as steel construction, intensity is high so that bracket 110 has, light-weight.
Further, through-hole 113 is offered on every strut 112, and be equipped with connector in through-hole 113 (not make Out).Through-hole 113 is connected to the top wire hole (not shown) of exciter stator 300, and connector is threaded through hole 113 and exciter stator In 300 top wire hole, so that bracket 110 is fixed on exciter stator 300.Specifically, connector can be screw or spiral shell Bolt.
Further, one end of radial supporter 120 is also connect with the outer peripheral surface of central tube 111.On radial supporter 120 It is additionally provided with the first reinforcer 140, to reinforce the stability of radial supporter 120.Specifically, the first reinforcer 140 is arranged In one end of the separate central tube 111 of radial supporter 120.And one end of the first reinforcer 140 connects radial supporter 120, the other end of the first reinforcer 140 is connected on strut 112.Further, the quantity of the first reinforcer 140 is two, It is located at the two sides up and down of radial supporter 120 respectively, to be supported respectively to the two sides up and down of radial supporter 120 solid It is fixed.
Specifically, the spare carbon brush mounting device 100 of generator further includes the second reinforcer in one of the embodiments, 150, the second reinforcer 150 is used to reinforce the stability of axial support 130.Specifically, one end connection of the second reinforcer 150 The other end of one end of the separate radial supporter 120 of axial support 130, two reinforcers 150 is set on bracket 110.
Further, the second reinforcer 150 includes reinforcing rope 151 and for tensing the tension part 152 for reinforcing rope 151. Tension part 152 is arranged on bracket 110, reinforces the one of the separate radial supporter 1220 of 151 one end of rope and axial support 130 End connection, the other end for reinforcing rope 151 are connect with tension part 152.To reinforce rope 151 by adjusting tension part 151 to tense, So that the extending direction of axial support 130 can the axial direction always with engine slip ring 300 be consistent.Specifically Ground, reinforcing rope 151 is wirerope, and tension part 152 is bolt, by rotating bolt, to realize the tension to wirerope or pine It opens.
Specifically, axial support 130 include pedestal 131 and with the vertically disposed ontology 132 of pedestal 131.Wherein, bottom The size of seat 131 matches with sliding slot 121, so that pedestal 131 can be inserted in sliding slot 121, and slidably matches with sliding slot 121 It closes.Further, lock hole 1311 is offered on pedestal 131, and fastener (not shown), such as spiral shell are provided in lock hole 1311 The fasteners such as bolt.Screw thread is provided on 1311 inner wall of lock hole.After axial support 130 is moved to suitable position, by turning Axial support 130, can be locked on radial supporter 120 by dynamic fastener.Specifically, mounting hole is offered on ontology 132 133, mounting hole 133 is to install spare carbon brush.
Referring to Fig. 8, in implementing at wherein one in, the application also provides a kind of spare carbon brush installation method of generator, packet Include following steps:
S110: provide above-mentioned generator spare carbon brush mounting device.
Specifically, the spare carbon brush mounting device 100 of generator includes bracket 110, radial supporter 120, the first reinforcer 140 and the axial support 130, the second reinforcer 150 that are also not mounted on radial supporter 120 etc..
S120: it secures a bracket on exciter stator.
Specifically, bracket 110 can be connected on the flange face of exciter stator 200 by connector, connector is worn In the top wire hole of exciter stator 200.
S103: spare carbon brush is installed in axial support.
Specifically, spare carbon brush is mounted on one end of the separate radial supporter 120 of axial support 130.Then it fixes Good cable.
S104: axial support is inserted into sliding slot, and axial support is moved to spare carbon brush towards Generator Slip Ring Away from the first distance with Generator Slip Ring.
Specifically, pedestal 131, and the ruler of pedestal 131 are provided in axial support 130 in one of the embodiments, It is very little to match with sliding slot 121, so that pedestal 131 can be inserted into sliding slot 121, and slidably cooperate with sliding slot 121.It can pass through Motor or other modes are slowly by the movement by axial support 130 towards Generator Slip Ring 300, until spare carbon brush and generator are sliding Away from the first distance, first distance is 2mm to ring 300 in one of the embodiments.Further, axial support 130 is mobile To after suitable position, axial support 130 can be locked by fastener.
S105: removing the carbon brush wiring of failure, accesses spare carbon brush wiring.
Specifically, the wiring of failure carbon brush 320 is removed, accesses spare 310 wiring of carbon brush, to make spare carbon brush 310 It starts to work.
The above-mentioned spare carbon brush installation method of generator, which is realized, installs spare carbon brush in the case where generator work, guarantees Power generation function continues to be safely operated.Meanwhile avoid shutdown installation carbon brush caused by economic loss, reduce maintenance at This.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.

Claims (10)

1. a kind of spare carbon brush mounting device of generator characterized by comprising
Bracket, for being fixedly connected with exciter stator;
Radial supporter is connect with the bracket, the radial direction of the extending direction of the radial supporter and the exciter stator Direction is consistent;Sliding slot is provided on the radial supporter;
Axial support is vertically installed on the radial supporter, and is slidably cooperated with the sliding slot, so that the axis The movement close to or far from Generator Slip Ring can be done to supporting element, the axial support is for connecting spare carbon brush.
2. the spare carbon brush mounting device of generator according to claim 1, which is characterized in that the bracket includes central tube And more struts, the more struts are uniformly arranged in the circumferential direction on the outer peripheral surface of the central tube.
3. the spare carbon brush mounting device of generator according to claim 2, which is characterized in that opened on the every strut Equipped with through-hole, connector is equipped in the through-hole, the connector is for wearing to the top wire hole on the exciter stator It is interior.
4. the spare carbon brush mounting device of generator according to claim 2, which is characterized in that the one of the radial supporter End is connect with the outer peripheral surface of the central tube, and the first reinforcer is also equipped on the radial supporter, first reinforcer One end connects the radial supporter, and the other end of first reinforcer is connected on the strut.
5. the spare carbon brush mounting device of generator according to claim 1, which is characterized in that it further include the second reinforcer, One end of second reinforcer is connect with one end far from the radial supporter of the axial support, and described second adds The other end of strong part is arranged on the bracket.
6. the spare carbon brush mounting device of generator according to claim 5, which is characterized in that second reinforcer includes Reinforce rope and tension part, the tension part are set on bracket, described reinforcement rope one end is separate with the axial support One end of the radial supporter connects, and the other end for reinforcing rope is connect with the tension part.
7. the spare carbon brush mounting device of generator according to claim 1, which is characterized in that the axial support includes Pedestal and the vertically disposed ontology of the pedestal, the pedestal slidably cooperate with the sliding slot.
8. the spare carbon brush mounting device of generator according to claim 7, which is characterized in that offer lock on the pedestal Determine hole, fastener is provided in the lock hole, the axial support can be locked in the radial support by the fastener On part.
9. the spare carbon brush mounting device of generator according to claim 7, which is characterized in that offer peace on the ontology Hole is filled, the mounting hole is to install the spare carbon brush.
10. a kind of spare carbon brush installation method of generator, which comprises the following steps:
There is provided generator as claimed in any one of claims 1-9 wherein spare carbon brush mounting device;
It secures a bracket on exciter stator;
Spare carbon brush is installed in axial support;
By axial support be inserted into sliding slot in, and by the axial support towards Generator Slip Ring be moved to the spare carbon brush with Generator Slip Ring is away from the first distance;
The carbon brush wiring for removing failure, accesses spare carbon brush wiring.
CN201811112399.7A 2018-09-25 2018-09-25 Generator standby carbon brush installation device and generator standby carbon brush installation method Active CN108988584B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811112399.7A CN108988584B (en) 2018-09-25 2018-09-25 Generator standby carbon brush installation device and generator standby carbon brush installation method

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Application Number Priority Date Filing Date Title
CN201811112399.7A CN108988584B (en) 2018-09-25 2018-09-25 Generator standby carbon brush installation device and generator standby carbon brush installation method

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CN108988584B CN108988584B (en) 2024-05-24

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110542856A (en) * 2019-08-28 2019-12-06 福建福清核电有限公司 offline testing system and method for generator rotor grounding protection carbon brush device
CN117040170A (en) * 2023-08-02 2023-11-10 湖北东南佳新材料有限公司 Carbon brush holder for automobile start-stop motor and quick assembly device for carbon brush holder

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CN201733160U (en) * 2010-05-11 2011-02-02 重庆宗申汽车发动机制造有限公司 Generator unit carbon brush mounting bracket
CN103095058A (en) * 2011-10-27 2013-05-08 秦政伟 Special tool for replacement of slip ring carbon brush of generator rotor
CN103401119A (en) * 2013-07-19 2013-11-20 江苏华宇碳素有限公司 Carbon brush component and carbon brush assembly with same
CN105024475A (en) * 2014-04-16 2015-11-04 瓦博泰克控股公司 Brush holder assembly and methods for mounting and replacing brushes
CN108390521A (en) * 2018-05-03 2018-08-10 大同新成新材料股份有限公司 It is a kind of that the automatic carbon brush mounting bracket and its application method for replacing carbon brush can be achieved
CN208924050U (en) * 2018-09-25 2019-05-31 中广核核电运营有限公司 The spare carbon brush mounting device of generator

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201733160U (en) * 2010-05-11 2011-02-02 重庆宗申汽车发动机制造有限公司 Generator unit carbon brush mounting bracket
CN103095058A (en) * 2011-10-27 2013-05-08 秦政伟 Special tool for replacement of slip ring carbon brush of generator rotor
CN103401119A (en) * 2013-07-19 2013-11-20 江苏华宇碳素有限公司 Carbon brush component and carbon brush assembly with same
CN105024475A (en) * 2014-04-16 2015-11-04 瓦博泰克控股公司 Brush holder assembly and methods for mounting and replacing brushes
CN108390521A (en) * 2018-05-03 2018-08-10 大同新成新材料股份有限公司 It is a kind of that the automatic carbon brush mounting bracket and its application method for replacing carbon brush can be achieved
CN208924050U (en) * 2018-09-25 2019-05-31 中广核核电运营有限公司 The spare carbon brush mounting device of generator

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110542856A (en) * 2019-08-28 2019-12-06 福建福清核电有限公司 offline testing system and method for generator rotor grounding protection carbon brush device
CN110542856B (en) * 2019-08-28 2021-06-22 福建福清核电有限公司 Offline testing system and method for generator rotor grounding protection carbon brush device
CN117040170A (en) * 2023-08-02 2023-11-10 湖北东南佳新材料有限公司 Carbon brush holder for automobile start-stop motor and quick assembly device for carbon brush holder
CN117040170B (en) * 2023-08-02 2024-03-26 湖北东南佳新材料有限公司 Carbon brush holder for automobile start-stop motor and quick assembly device for carbon brush holder

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