CN108964372B - Large-sized direct current motor commutator brush holder assembly tool and assembly method - Google Patents
Large-sized direct current motor commutator brush holder assembly tool and assembly method Download PDFInfo
- Publication number
- CN108964372B CN108964372B CN201810976104.4A CN201810976104A CN108964372B CN 108964372 B CN108964372 B CN 108964372B CN 201810976104 A CN201810976104 A CN 201810976104A CN 108964372 B CN108964372 B CN 108964372B
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- brush holder
- annular
- positioning
- brush
- tray
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/14—Means for supporting or protecting brushes or brush holders
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Motor Or Generator Current Collectors (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The invention discloses an assembly fixture and an assembly method for a brush holder of a large-sized direct current motor commutator, which solve the problems that the installation precision of a brush holder cannot be ensured and the adjustment difficulty is large after the brush holder is installed. The novel brush holder is characterized in that a positioning cylinder (5) is clamped in an annular groove (4) in an embedded manner, brush holder positioning sample rod penetrating holes (6) are formed in the cylindrical wall of the positioning cylinder at equal intervals, brush holder positioning sample rods (7) are penetrated in the brush holder positioning sample rod penetrating holes (6), brush holders (9) are penetrated in the outer side ends of the brush holder positioning sample rods, the outer side ends of the brush holder positioning sample rods are penetrated in brush embedding through holes (10) in the brush holders, axial L-shaped mounting frames (13) are screwed on brush holder fixing connecting blocks (11) in the brush holders, annular brush holders (15) are arranged in the annular brush holder embedding annular groove (14), and radial L-shaped mounting frames (16) are connected between the annular brush holders and the axial L-shaped mounting frames. And installing all parts of the commutator in place at one time.
Description
Technical Field
The invention relates to a brush holder assembly fixture of a commutator brush, in particular to an assembly fixture of a brush holder of a large-sized direct current motor commutator and an assembly method thereof.
Background
The commutator is used as one of the core devices of the motor, and the commutator has the function of keeping the current direction in the conductor always in one direction when the inner conductor of the armature winding is positioned under the corresponding magnetic pole, so as to achieve the purpose of driving the rotor to rotate continuously. The ring commutator is provided with the electric brush, and the installation accuracy of the electric brush has an important influence on the operation efficiency of the motor. The general annular commutator has smaller size, simple space structure, less electric brushes, regular electric brush space arrangement and can meet the requirement of design precision through manual installation and adjustment. But the diameter size of the annular commutator of some large-scale motors is larger, 12 groups of mounting brackets are uniformly distributed on the annular brush holder, each group of mounting brackets is connected with a brush holder in a cantilever mode, each brush holder is provided with four brushes, the brushes are axially and radially offset, and the brushes in the same group are staggered, so that the following problems exist in the installation of the brushes on the commutator: 1. when the mounting brackets in all directions are connected with the annular brush frame of the commutator by bolts in the axial direction and the radial direction, the mounting accuracy of the mounting brackets in all directions in space cannot be ensured; 2. the number of the electric brushes is large, the axial direction and the radial direction have angle offset, and the same group of electric brushes are arranged in a staggered way in the axial direction, so that the adjustment difficulty is large after the electric brush holder is installed.
Disclosure of Invention
The invention provides a large-scale direct-current motor commutator brush holder assembly tool and an assembly method, which solve the technical problems that the installation precision of a brush holder cannot be ensured and the adjustment difficulty is large after the brush holder is installed.
The invention solves the technical problems by the following technical proposal:
the utility model provides a large-scale direct current motor commutator brush holder assembly fixture, including brush holder tray annular outer lane and brush holder, be provided with brush embedding through-hole and brush holder fixed connection piece on the brush holder respectively, be provided with brush holder fixed connection bolt hole on the brush holder fixed connection piece, be provided with the spider claw on the lower bottom surface of brush holder tray annular outer lane equidistant radian, be provided with brush holder tray annular inner circle on the inboard end of spider claw, the central axis of brush holder tray annular inner circle is the coincidence with the central axis of brush holder tray annular outer lane, be provided with annular brush holder embedding ring channel on the top surface of brush holder tray annular outer lane, be provided with a positioning tube embedding ring channel on the top surface of brush holder tray annular inner circle, the joint has a positioning tube in the positioning tube embedding ring channel, be provided with brush holder positioning sample rod cross-under hole in the equiinterval radian on the cylindrical section of thick bamboo wall of positioning tube, cross-under the brush holder positioning sample rod has the brush holder on the outer end of spider, the outer end of brush holder positioning sample rod is the brush holder cross-under the brush holder on the annular through-hole, the annular L of brush holder is connected with the annular L in radial shape on the annular mounting bracket, the annular L is connected with the annular spiral-shaped annular L in the annular L.
Lifting lugs are arranged on the cylindrical wall of the positioning cylinder; twelve brush holder positioning sample rod through holes are formed in the cylindrical wall of the positioning cylinder at equal intervals in radian.
A brush holder assembly method of a large-scale direct current motor commutator comprises the following steps:
firstly, manufacturing a brush holder tray: spider claws are arranged on the lower bottom surface of the annular outer ring of the brush holder tray at equal intervals in radian, an annular inner ring of the brush holder tray is arranged at the inner side end of each spider claw, so that the central axis of the annular inner ring of the brush holder tray coincides with the central axis of the annular outer ring of the brush holder tray, an annular brush holder embedding annular groove is arranged on the top surface of the annular outer ring of the brush holder tray, and a positioning cylinder embedding annular groove is arranged on the top surface of the annular inner ring of the brush holder tray;
secondly, manufacturing a positioning cylinder and a brush holder positioning through hole: according to the annular brush holder embedded annular groove arranged on the top surface of the annular outer ring of the brush holder tray, a positioning cylinder is manufactured; the brush holder positioning sample rod through holes are formed in the cylindrical wall of the positioning cylinder in an equidistant radian mode, and the positioning inclination angle and the positioning position of each brush holder positioning sample rod through hole are determined according to the following requirements: after the brush holder positioning sample rod is inserted into the brush holder positioning sample rod through the connecting hole, the outer side end of the brush holder positioning sample rod is connected with the brush on the brush holder in a penetrating way, and the position of the brush holder connected in a penetrating way is the position required by the assembly process of the brush holder of the commutator brush;
thirdly, after the brush holder positioning sample rod is connected in the brush holder positioning sample rod through hole in a penetrating way, the positioning barrel is inserted into the positioning barrel arranged on the top surface of the annular inner ring of the brush holder tray to be embedded into the annular groove;
fourthly, the outer side end of the brush holder positioning sample rod is connected to the brush embedded through hole in a penetrating way, then an axial L-shaped mounting frame connecting bolt is penetrated into a brush holder fixing connecting bolt hole arranged on the brush holder fixing connecting block, and then the axial L-shaped mounting frame is fixed on the brush holder fixing connecting block;
fifthly, placing the annular brush frame into an annular groove, wherein the annular brush frame is arranged on the top surface of an annular outer ring of a brush frame tray;
sixthly, connecting the radial L-shaped mounting frame between the annular brush frame and the axial L-shaped mounting frame;
seventh, the brush holder positioning sample rod is pulled out from the inner cavity of the positioning cylinder, and the annular brush holder with the brush holder positioned and installed is taken out from the annular outer ring of the brush holder tray.
The positioning and mounting method adopts a reverse positioning and mounting method from inside to outside, firstly, the space positions of the electric brush and the brush holder are ensured through a positioning cylinder, and then, the components such as a fixed connecting block, an axial L-shaped mounting frame, a radial L-shaped mounting frame, an annular brush frame and the like are respectively mounted outwards; after the bolts are fastened, the electric brush sample rod and the positioning cylinder are disassembled, and all parts of the commutator are installed in place at one time, so that later adjustment is not needed, and the commutator is rapid and accurate.
Drawings
FIG. 1 is a schematic view of the structure of a brush holder tray of the present invention;
fig. 2 is a schematic structural view of the positioning cylinder 5 of the present invention;
FIG. 3 is a schematic view of the positioning cartridge 5 of the present invention in an expanded state;
fig. 4 is a schematic view of the structure after the positioning cylinder 5 is placed on the brush holder tray;
fig. 5 is a schematic structural view of the brush holder 9 of the present invention;
FIG. 6 is a diagram showing the fit relationship among the positioning cylinder 5, the brush holder 9 and the brush holder positioning sample rod 7 according to the present invention;
fig. 7 is a state diagram of the brush holder 9 of the present invention after all the brush holder positioning bars 7 are penetrated;
fig. 8 is a structural view of the brush holder 9 when the axial L-shaped mount 13 is attached;
fig. 9 is a schematic view of the structure in which the annular brush holder 15 is put into the annular groove 14 after the axial L-shaped mounting bracket 13 is attached to the brush holder 9;
FIG. 10 is a schematic view of the structure connecting the radial L-shaped mounting bracket 16 between the annular brush holder 15 and the axial L-shaped mounting bracket 13;
FIG. 11 is a schematic view of the structure after the brush holder positioning sample rod 7 is pulled out from the inner cavity of the positioning cylinder 5;
fig. 12 is a schematic structural view of the annular brush holder 15 of the present invention;
fig. 13 is a state diagram of the brush holder of the present invention after assembly.
Detailed Description
The invention is described in detail below with reference to the attached drawing figures:
the utility model provides a large-scale direct current motor commutator brush holder assembly fixture, including brush holder tray annular outer lane 1 and brush holder 9, be provided with brush embedding through-hole 10 and brush holder fixed connection piece 11 on brush holder 9 respectively, be provided with brush holder fixed connection bolt hole 12 on brush holder fixed connection piece 11, equidistant radian is provided with spider claw 2 on the lower bottom surface of brush holder tray annular outer lane 1, be provided with brush holder tray annular inner lane 3 on the inboard end of spider claw 2, the central axis of brush holder tray annular inner lane 3 is the coincidence with the central axis of brush holder tray annular outer lane 1, be provided with annular brush holder embedding annular groove 14 on the top surface of brush holder tray annular outer lane 1, be provided with a locating cylinder embedding annular groove 4 on the top surface of brush holder tray annular inner lane 3, the joint has a locating cylinder 5 in locating cylinder embedding annular groove 4, equidistant radian is provided with brush holder locating sample rod 7 in brush holder penetrating hole 6, be provided with brush holder locating sample rod 7 in the brush holder penetrating sample rod 7, be provided with radial direction in annular groove 13L on the mounting bracket annular groove 13 in the radial direction, be provided with annular groove 15 in the annular groove 13L in the radial direction of mounting bracket annular groove, be provided with annular groove 13 in the annular groove L between the annular carrier 13.
A lifting lug 8 is arranged on the cylindrical wall of the positioning barrel 5; twelve brush holder positioning sample rod through holes 6 are formed in the cylindrical wall of the positioning barrel 5 at equal intervals in radian.
A brush holder assembly method of a large-scale direct current motor commutator comprises the following steps:
firstly, manufacturing a brush holder tray: spider claws 2 are arranged on the lower bottom surface of the brush holder tray annular outer ring 1 at equal intervals in radian, a brush holder tray annular inner ring 3 is arranged on the inner side end of the spider claws 2, so that the central axis of the brush holder tray annular inner ring 3 coincides with the central axis of the brush holder tray annular outer ring 1, an annular brush holder embedded annular groove 14 is arranged on the top surface of the brush holder tray annular outer ring 1, and a positioning cylinder embedded annular groove 4 is arranged on the top surface of the brush holder tray annular inner ring 3;
secondly, manufacturing a positioning cylinder 5 and a brush holder positioning through hole: the positioning cylinder 5 is manufactured according to the annular brush holder embedded annular groove 14 arranged on the top surface of the brush holder tray annular outer ring 1; the brush holder positioning sample rod through holes 6 are arranged on the cylindrical wall of the positioning barrel 5 in an equidistant radian manner, and the positioning inclination angle and the positioning position of each brush holder positioning sample rod through hole 6 are determined according to the following requirements: after the brush holder positioning sample rod is inserted into the brush holder positioning sample rod 7 through the connecting hole 6, the outer side end of the brush holder positioning sample rod 7 is connected with the brush on the brush holder 9 in a penetrating way, and the position of the brush holder 9 connected in a penetrating way is the position required by the assembly process of the brush holder of the commutator brush;
thirdly, after a brush holder positioning sample rod 7 is connected in a brush holder positioning sample rod through hole 6 of the positioning barrel 5 in a penetrating way, the positioning barrel 5 is inserted into a positioning barrel embedded in the annular groove 4, which is arranged on the top surface of the annular inner ring 3 of the brush holder tray;
fourthly, inserting the outer side end of the brush holder positioning sample rod 7 into the brush embedding through hole 10 on the brush holder 9, inserting an axial L-shaped mounting frame connecting bolt into a brush holder fixing connecting bolt hole 12 arranged on the brush holder fixing connecting block 11, and fixing the axial L-shaped mounting frame 13 on the fixing connecting block 11 of the brush holder 9;
fifthly, placing the annular brush holder 15 into an annular groove 14 embedded in an annular brush holder arranged on the top surface of the annular outer ring 1 of the brush holder tray;
a sixth step of connecting a radial L-shaped mounting frame 16 between the annular brush holder 15 and the axial L-shaped mounting frame 13;
seventh, the brush holder positioning sample rod 7 is pulled out from the inner cavity of the positioning cylinder 5, and the annular brush holder 15 with the brush holder 9 positioned and installed is taken out from the annular outer ring 1 of the brush holder tray.
Claims (3)
1. The brush holder assembly fixture for the large-scale direct current motor commutator comprises a brush holder tray annular outer ring (1) and a brush holder (9), wherein a brush embedding through hole (10) and a brush holder fixing connecting block (11) are respectively arranged on the brush holder (9), a brush holder fixing connecting bolt hole (12) is arranged on the brush holder fixing connecting block (11), spider claws (2) are arranged on the lower bottom surface of the brush holder tray annular outer ring (1) at equal intervals, a brush holder tray annular inner ring (3) is arranged at the inner side end of the spider claws (2), the central axis of the brush holder tray annular inner ring (3) is coincident with the central axis of the brush holder tray annular outer ring (1), an annular brush holder embedding annular groove (14) is arranged on the top surface of the brush holder tray annular outer ring (1), a positioning cylinder embedding annular groove (4) is arranged on the top surface of the brush holder tray annular inner ring (3), a positioning cylinder (5) is arranged on the cylindrical wall of the positioning cylinder (5) at equal intervals, a brush holder sample holder (6) is arranged on the outer side of the brush holder (7) in a penetrating through hole (7), a sample holder (7) is positioned at the outer side (7) of the penetrating through hole (7), an axial L-shaped mounting frame (13) is connected to a brush holder fixing connecting block (11) on the brush holder (9) in a threaded manner, an annular brush holder (15) is arranged in an annular brush holder embedded annular groove (14), and a radial L-shaped mounting frame (16) is connected between the annular brush holder (15) and the axial L-shaped mounting frame (13).
2. The assembly fixture for the brush holder of the large-scale direct current motor commutator according to claim 1 is characterized in that a lifting lug (8) is arranged on the cylindrical wall of the positioning cylinder (5); twelve brush holder positioning sample rod through holes (6) are formed in the cylindrical wall of the positioning cylinder (5) at equal intervals in radian.
3. A brush holder assembly method of a large-scale direct current motor commutator comprises the following steps:
firstly, manufacturing a brush holder tray: spider claws (2) are arranged on the lower bottom surface of the annular outer ring (1) of the brush holder tray at equal intervals in radian, an annular inner ring (3) of the brush holder tray is arranged on the inner side end of the spider claws (2) so that the central axis of the annular inner ring (3) of the brush holder tray coincides with the central axis of the annular outer ring (1) of the brush holder tray, an annular brush holder embedded annular groove (14) is arranged on the top surface of the annular outer ring (1) of the brush holder tray, and a positioning cylinder embedded annular groove (4) is arranged on the top surface of the annular inner ring (3) of the brush holder tray;
secondly, manufacturing a positioning cylinder (5) and a brush holder positioning through hole: according to the annular brush holder embedded annular groove (14) arranged on the top surface of the brush holder tray annular outer ring (1), a positioning cylinder (5) is manufactured; the brush holder positioning sample rod through holes (6) are formed in the cylindrical wall of the positioning barrel (5) in an equidistant radian manner, and the positioning inclination angle and the positioning position of each brush holder positioning sample rod through hole (6) are determined according to the following requirements: after the brush holder positioning sample rod is inserted into the brush holder positioning sample rod penetrating hole (6), the outer side end of the brush holder positioning sample rod (7) is penetrated into the electric brush embedded through hole (10) on the brush holder (9), and the penetrated position of the brush holder (9) is the position required by the assembly process of the brush holder of the commutator brush;
thirdly, after the brush holder positioning sample rod (7) is connected in the brush holder positioning sample rod through hole (6) of the positioning barrel (5), the positioning barrel (5) is inserted into the positioning barrel embedded in the annular groove (4) arranged on the top surface of the annular inner ring (3) of the brush holder tray;
fourthly, inserting the outer side end of the brush holder positioning sample rod (7) into the brush insertion through hole (10) on the brush holder (9), inserting an axial L-shaped mounting frame connecting bolt into a brush holder fixing connecting bolt hole (12) arranged on the brush holder fixing connecting block (11), and fixing the axial L-shaped mounting frame (13) on the fixing connecting block (11) of the brush holder (9);
fifthly, placing the annular brush holder (15) into an annular groove (14) embedded in an annular brush holder arranged on the top surface of an annular outer ring (1) of a brush holder tray;
a sixth step of connecting a radial L-shaped mounting frame (16) between the annular brush holder (15) and the axial L-shaped mounting frame (13);
seventh, the brush holder positioning sample rod (7) is pulled out from the inner cavity of the positioning cylinder (5), and the annular brush holder (15) with the brush holder (9) positioned and installed is taken out from the annular outer ring (1) of the brush holder tray.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810976104.4A CN108964372B (en) | 2018-08-25 | 2018-08-25 | Large-sized direct current motor commutator brush holder assembly tool and assembly method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810976104.4A CN108964372B (en) | 2018-08-25 | 2018-08-25 | Large-sized direct current motor commutator brush holder assembly tool and assembly method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108964372A CN108964372A (en) | 2018-12-07 |
| CN108964372B true CN108964372B (en) | 2023-10-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810976104.4A Active CN108964372B (en) | 2018-08-25 | 2018-08-25 | Large-sized direct current motor commutator brush holder assembly tool and assembly method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108964372B (en) |
Citations (10)
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|---|---|---|---|---|
| JPH11215786A (en) * | 1998-01-23 | 1999-08-06 | Db Seiko:Kk | Brush holder structure body of dc motor and manufacture thereof |
| JP2003061303A (en) * | 2001-08-16 | 2003-02-28 | Asmo Co Ltd | Motor and manufacturing method therefor |
| CN201821229U (en) * | 2010-10-05 | 2011-05-04 | 山东泰山钢铁集团有限公司 | Dedicated bench holdfast used for repairing brush holder of direct current motor |
| CN102842994A (en) * | 2011-06-21 | 2012-12-26 | 江门马丁电机科技有限公司 | Brush holder pressing device |
| CN202906684U (en) * | 2011-03-08 | 2013-04-24 | 日本电产株式会社 | Motor |
| CN103326500A (en) * | 2012-03-23 | 2013-09-25 | 阿斯莫有限公司 | Brush holder, brush, motor and method for manufacturing brush |
| CN104300750A (en) * | 2014-09-23 | 2015-01-21 | 中电电机股份有限公司 | Direct current motor brush carrier assembling device |
| JP2015039264A (en) * | 2013-08-19 | 2015-02-26 | パナソニック株式会社 | Brush holder of commutator motor and manufacturing method of brush holder |
| CN204334178U (en) * | 2014-12-30 | 2015-05-13 | 中船重工电机科技股份有限公司 | The assembly tooling of motor brush rocker |
| CN208835944U (en) * | 2018-08-25 | 2019-05-07 | 中船重工电机科技股份有限公司 | Commutator for Large DC Machines brush holder assembly tooling |
-
2018
- 2018-08-25 CN CN201810976104.4A patent/CN108964372B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11215786A (en) * | 1998-01-23 | 1999-08-06 | Db Seiko:Kk | Brush holder structure body of dc motor and manufacture thereof |
| JP2003061303A (en) * | 2001-08-16 | 2003-02-28 | Asmo Co Ltd | Motor and manufacturing method therefor |
| CN201821229U (en) * | 2010-10-05 | 2011-05-04 | 山东泰山钢铁集团有限公司 | Dedicated bench holdfast used for repairing brush holder of direct current motor |
| CN202906684U (en) * | 2011-03-08 | 2013-04-24 | 日本电产株式会社 | Motor |
| CN102842994A (en) * | 2011-06-21 | 2012-12-26 | 江门马丁电机科技有限公司 | Brush holder pressing device |
| CN103326500A (en) * | 2012-03-23 | 2013-09-25 | 阿斯莫有限公司 | Brush holder, brush, motor and method for manufacturing brush |
| JP2015039264A (en) * | 2013-08-19 | 2015-02-26 | パナソニック株式会社 | Brush holder of commutator motor and manufacturing method of brush holder |
| CN104300750A (en) * | 2014-09-23 | 2015-01-21 | 中电电机股份有限公司 | Direct current motor brush carrier assembling device |
| CN204334178U (en) * | 2014-12-30 | 2015-05-13 | 中船重工电机科技股份有限公司 | The assembly tooling of motor brush rocker |
| CN208835944U (en) * | 2018-08-25 | 2019-05-07 | 中船重工电机科技股份有限公司 | Commutator for Large DC Machines brush holder assembly tooling |
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| CN108964372A (en) | 2018-12-07 |
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