CN112953130B - Carbon brush installation device of direct current motor - Google Patents
Carbon brush installation device of direct current motor Download PDFInfo
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- CN112953130B CN112953130B CN202110265665.5A CN202110265665A CN112953130B CN 112953130 B CN112953130 B CN 112953130B CN 202110265665 A CN202110265665 A CN 202110265665A CN 112953130 B CN112953130 B CN 112953130B
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 159
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 159
- 238000009434 installation Methods 0.000 title claims abstract description 49
- 244000185238 Lophostemon confertus Species 0.000 claims description 13
- 238000013459 approach Methods 0.000 claims description 8
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 230000001360 synchronised effect Effects 0.000 claims description 2
- 230000000712 assembly Effects 0.000 abstract description 5
- 238000000429 assembly Methods 0.000 abstract description 5
- 229910002804 graphite Inorganic materials 0.000 description 3
- 239000010439 graphite Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000701 coagulant Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
Classifications
-
- 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
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The application discloses a carbon brush mounting device of a direct current motor, which belongs to the technical field of direct current motors and comprises a base, a central shaft, a first gear, a second gear, a control assembly, a fixing assembly, two carbon brush mounting assemblies and a first feeding structure. The center pin rotates with the base to be connected, and control assembly is used for controlling first gear and the reverse rotation of second gear, and fixed subassembly is used for fixing the carbon brush support, and two carbon brush installation components rotate along with first gear and second gear respectively, and when control assembly is close to the center pin, first feeding structure can send the carbon brush unit to the carbon brush installation component. The embodiment discloses a direct current motor carbon brush installation device utilizes carbon brush installation component can send into the carbon brush support with the carbon brush unit in, rotates the center pin, later can carry out carbon brush unit installation to carbon brush support other positions, easy operation, and the installation effectiveness is high, can effectual reduction cost of labor.
Description
Technical Field
The application relates to the technical field of direct current motors, in particular to a carbon brush installation device of a direct current motor.
Background
Carbon brushes, also called carbon brushes, are widely used in many electrical devices as a sliding contact. The carbon brush is mainly made of graphite, impregnated graphite and metal (copper and silver containing) graphite in the application materials of the product. Carbon brushes are devices for transmitting energy or signals between a stationary part and a rotating part of an electric motor or generator or other rotating machine, and are generally made of pure carbon plus a coagulant.
Carbon brush can use the carbon brush support to fix when installing on direct current motor generally, and current carbon brush mounting means all adopts artifical installation, and this kind of mounting means manual strength is big and efficiency is lower.
Disclosure of Invention
The application aims to solve the technical problem of disclosing a carbon brush installation device of a direct current motor so as to improve the problem.
The technical scheme adopted for solving the technical problems is as follows:
based on the above object, the present application discloses a carbon brush installation device for a direct current motor, comprising:
a base;
the central shaft is rotationally connected with the base;
the first gear is rotationally connected with the central shaft;
the second gear is rotationally connected with the central shaft and is arranged at intervals with the first gear;
the first movable frame is fixedly connected with the second gear;
the second movable frame is fixedly connected with the first gear;
the mounting block is mounted on the top of the central shaft;
the control assembly is used for controlling the first gear and the second gear to reversely rotate;
the fixing assembly comprises a pressing cylinder and a fixing part, the pressing cylinder is mounted on the base, the fixing part is mounted at the output end of the pressing cylinder, a first fixing groove and a second fixing groove are formed in the fixing part, the first fixing groove penetrates through the fixing part in the direction parallel to the axis of the central shaft, and the second fixing groove penetrates through the fixing part in the direction perpendicular to the axis of the central shaft;
the two carbon brush installation components are respectively installed on the first movable frame and the second movable frame, and the output ends of the carbon brush installation components are arranged towards the installation blocks;
the two first feeding structures are respectively arranged on the first rack and the second rack, and when the connecting plate is positioned close to the central shaft, the output end of the first feeding structure is communicated with the output end of the carbon brush installation assembly;
the two second feeding structures are arranged on the base, the two second feeding structures are respectively arranged in one-to-one correspondence with the two first feeding structures, and when the connecting plate is located at a position far away from the central shaft, the output end of the second feeding structure faces the first feeding structure.
Optionally: the carbon brush installation assembly comprises a push rod motor, a push block and a guide plate, wherein the push block is installed at the output end of the push rod motor, the guide plate is positioned at one side of the push block, which is away from the first feeding structure, and the extending direction of the guide plate is parallel to the moving direction of the push block.
Optionally: the deflector orientation one side of ejector pad is provided with the holding tank, just install second elastic component and control block on the deflector, the control block is located in the holding tank, just the control block with holding tank sliding connection, the second elastic component install in the lateral wall of holding tank with between the control block, the second elastic component makes the control block has orientation the trend of push rod motor removal, the deflector with first movable frame sliding connection, just the control block with ejector pad fixed connection.
Optionally: the mounting block comprises a first shaft and a second shaft, the first shaft and the second shaft are coaxially arranged, the diameter of the first shaft is equal to the inner diameter of the carbon brush support, the diameter of the second shaft is smaller than the outer diameter of the carbon brush support, a clamping groove is formed in the first shaft and is recessed along the radial direction of the first shaft, and the length of the clamping groove is equal to the length of the first shaft.
Optionally: the control assembly comprises a connecting plate, a first rack and a second rack, wherein the connecting plate is located between the first rack and the second rack, the first rack and the second rack are located on two sides of the central shaft respectively, the connecting plate is in sliding connection with the base, the first rack is meshed with the first gear, the second rack is meshed with the second gear, and therefore when the connecting plate moves on the base, the rotation directions of the first gear and the second gear are opposite.
Optionally: the base is provided with a first supporting block and a second supporting block, the first rack is in sliding connection with the first supporting block, and the second rack is in sliding connection with the second supporting block.
Optionally: the direct current motor carbon brush installation device still includes spacing subassembly, spacing subassembly includes:
the first sliding block is in sliding connection with the base, the sliding direction of the first sliding block is the same as that of the fixed part, one end of the first sliding block is positioned on a sliding path of the fixed part, and the first sliding block is positioned on one side of the fixed part, which faces the compression cylinder;
the second sliding block is in sliding connection with the base, and the sliding direction of the second sliding block is inclined or vertical to the sliding direction of the first rack;
a first elastic member that causes the second slider to have a tendency to slide toward the first support block;
the second sliding block is connected with the first sliding block through the connecting piece;
the first rack is provided with a first positioning groove matched with the second sliding block, and when the fixing part pushes the first sliding block to slide towards the compression cylinder, the second sliding block exits from the range of the first positioning groove.
Optionally: the limiting assembly further comprises a third sliding block, the third sliding block is in sliding connection with the base, the sliding direction of the third sliding block is perpendicular to the sliding direction of the second rack, the sliding direction of the second sliding block is perpendicular to the sliding direction of the first rack, the first elastic piece is installed between the second sliding block and the third sliding block, the first elastic piece enables the second sliding block and the third sliding block to have a trend of being far away from each other, and the second rack is provided with a second positioning groove matched with the third sliding block.
Optionally: the connecting piece is the stay cord, the connecting piece sets up to two, two the connecting piece respectively with the second slider with the third slider is connected, just the connecting piece connect in the second slider with the one end in opposite directions of third slider, works as the fixed part promotes first slider orientation compress tightly the cylinder and slide, the second slider with the third slider is close to each other.
Optionally: the central shaft is provided with a groove, a third elastic piece and a rotating piece, the rotating piece is rotationally connected with the central shaft, the rotating axis of the rotating piece is parallel to the axis of the central shaft, the rotating piece is positioned at the notch of the groove, the third elastic piece is arranged between the bottom of the groove and the rotating piece, and the rotating piece has a tendency of rotating outwards of the groove; and be provided with a plurality of be used for on the inner wall of first gear with rotor blade complex wedge groove, a plurality of the wedge groove is followed the circumference of first gear sets gradually, the wedge groove with rotor blade cooperation makes first gear can only follow first direction for the center pin rotates, just the center pin can follow along the second direction first gear synchronous rotation.
Compared with the prior art, the application has the beneficial effects that:
according to the carbon brush mounting device for the direct current motor, disclosed by the application, the carbon brush support is fixed by the fixing component, the carbon brush units enter the first feeding structure along the second feeding structure and then enter the output end of the carbon brush mounting component along with the control component, then the carbon brush units can be sent into the carbon brush support by the carbon brush mounting component, the two carbon brush mounting components can work simultaneously to finish the mounting of the two carbon brush units at one time, and then the central shaft is rotated, so that the carbon brush units can be mounted on other positions of the carbon brush support.
Drawings
Fig. 1 is a plan view showing a carbon brush mounting apparatus for a dc motor according to an embodiment of the present application in a first state;
fig. 2 is a plan view showing a carbon brush mounting apparatus for a dc motor according to an embodiment of the present application in a second state;
fig. 3 is a front cross-sectional view showing a carbon brush mounting apparatus for a dc motor according to an embodiment of the present application;
FIG. 4 illustrates a schematic diagram of a control assembly disclosed in an embodiment of the present application;
FIG. 5 illustrates a schematic view of a spacing assembly disclosed in an embodiment of the present application;
FIG. 6 illustrates a cross-sectional view of a securing assembly as disclosed in an embodiment of the present application;
FIG. 7 shows a schematic view of a securing portion disclosed in an embodiment of the present application;
FIG. 8 illustrates a schematic diagram of a mounting block disclosed in an embodiment of the present application;
FIG. 9 is a schematic view showing a carbon brush mounting assembly according to an embodiment of the present application;
FIG. 10 illustrates a cross-sectional view of a connection of a pusher and a guide plate as disclosed in an embodiment of the present application;
FIG. 11 illustrates a top cross-sectional view of a first gear and a central shaft as disclosed in an embodiment of the present application;
FIG. 12 illustrates a top cross-sectional view of a central shaft as disclosed in an embodiment of the present application;
fig. 13 illustrates a top cross-sectional view of a first gear disclosed in an embodiment of the present application.
In the figure:
100-base; 110-a central axis; 111-turning pieces; 112-grooves; 113-a third elastic member; 120-a first support block; 130-a second support block; 210-a first feeding structure; 220-a second feeding structure; 310-a first movable frame; 320-a second movable frame; 410-mounting blocks; 411-first axis; 412-a second axis; 413-a clamping groove; 420-a first gear; 421-wedge grooves; 430-a second gear; 500-a control assembly; 510-connecting plates; 520-a first rack; 521-first positioning grooves; 530-a second rack; 531-second positioning grooves; 600-fixing assembly; 610-compacting cylinder; 620-a fixing part; 621-a first positioning groove; 622-second positioning groove; 700-carbon brush installation assembly; 710—a push rod motor; 720-pushing blocks; 730-guide plate; 731-receiving grooves; 732-control block; 733-a second elastic member; 800-a limiting assembly; 810-a first slider; 820-a second slider; 830-a second slider; 840-a first elastic member; 850-connectors; 910-carbon brush support; 920-carbon brush unit.
Detailed Description
Examples:
referring to fig. 1 to 13, an embodiment of the present application discloses a carbon brush installation apparatus for a dc motor, which is used for installing a carbon brush unit 920 on a carbon brush support 910, wherein a carbon brush box for installing the carbon brush unit 920 is provided on the carbon brush support 910, and the carbon brush installation apparatus includes a base 100, a central shaft 110, a first gear 420, a second gear 430, a first movable frame 310, a second movable frame 320, an installation block 410, a control assembly 500, a fixing assembly 600, two carbon brush installation assemblies 700, two first feeding structures 210 and two second feeding structures 220.
The center shaft 110 is rotationally connected with the base 100, the first gear 420 is rotationally connected with the center shaft 110, the second gear 430 is rotationally connected with the center shaft 110, the mounting block 410 is mounted on the top of the center shaft 110, the mounting block 410 is provided with a clamping groove 413 for mounting the carbon brush support 910, the first gear 420 is located at the bottom of the center shaft 110, the second gear 430 is located between the first gear 420 and the mounting block 410, the second gear 430 and the first gear 420 are arranged at intervals so that the rotation between the second gear 430 and the first gear 420 is not affected by each other.
The first movable frame 310 is rotatably connected with the central shaft 110, the first movable frame 310 is positioned at one side of the second gear 430, which is away from the first gear 420, and the first movable frame 310 is fixedly connected with the second gear 430, so that the first movable frame 310 can synchronously rotate along with the second gear 430; the second movable frame 320 is rotatably connected with the central shaft 110, the second movable frame 320 is located between the first gear 420 and the second gear 430, and the second movable frame 320 is fixedly connected with the first gear 420, so that the second movable frame 320 can synchronously rotate along with the first gear 420. Initially, the first movable frame 310 and the second movable frame 320 are located at positions close to each other, and when the first gear 420 rotates in the first direction, the first movable frame 310 and the second movable frame 320 are away from each other, and when the first gear 420 rotates in the second direction, the first movable frame 310 and the second movable frame 320 are close to each other.
The control assembly 500 includes a connection plate 510, a first rack 520 and a second rack 530, the connection plate 510 is located between the first rack 520 and the second rack 530, the connection plate 510 is slidably connected with the base 100, when the connection plate 510 slides, the first rack 520 and the second rack 530 slide synchronously with the connection plate 510, and the first rack 520 and the second rack 530 are located at two sides of the central shaft 110, respectively, so that when the connection plate 510 moves on the base 100, the rotation directions of the first gear 420 and the second gear 430 are opposite, the first rack 520 is meshed with the first gear 420, at this time, the first rack 520 is located below the first movable frame 310, and cannot affect the rotation of the first movable frame 310, and the second rack 530 is meshed with the second gear 430, at this time, the second rack 530 is located below the second movable frame 320, and cannot affect the rotation of the second movable frame 320. When the connection plate 510 moves in a direction away from the central shaft 110, the first gear 420 rotates in a first direction, and the second gear 430 rotates in a second direction, at which time the first movable frame 310 and the second movable frame 320 are away from each other; when the connection plate 510 approaches toward the central shaft 110, the first gear 420 rotates in the second direction, and the second gear 430 rotates in the first direction, and at this time, the first movable frame 310 and the second movable frame 320 approach each other.
The fixing assembly 600 includes a pressing cylinder 610 and a fixing portion 620, the pressing cylinder 610 is mounted on the base 100, the fixing portion 620 is mounted at an output end of the pressing cylinder 610, the fixing portion 620 can be driven to move back and forth by the pressing cylinder 610, a first fixing groove and a second fixing groove are formed in the fixing portion 620, the first fixing groove penetrates the fixing portion 620 along a direction parallel to an axis of the central shaft 110, the second fixing groove penetrates the fixing portion 620 along a direction perpendicular to the axis of the central shaft 110, the first fixing groove is communicated with the second fixing groove, the first fixing groove and the second fixing groove are crossed to form a cross shape, when the pressing cylinder 610 controls the fixing portion 620 to move towards the carbon brush support 910, the first fixing groove and the carbon brush box form a clamping connection, and the second fixing groove and the carbon brush support 910 form a clamping connection, so that the carbon brush support 910 is fixed; the two carbon brush installation assemblies 700 are respectively installed on the first movable frame 310 and the second movable frame 320, and the output ends of the carbon brush installation assemblies 700 are arranged towards the installation blocks 410, so that the carbon brush units 920 positioned at the front ends of the carbon brush installation assemblies 700 are pushed into the carbon brush boxes of the carbon brush brackets 910.
The two first feeding structures 210 are respectively installed on the first rack 520 and the second rack 530, and when the connecting plate 510 is located at a position close to the central shaft 110, the output end of the first feeding structure 210 is communicated with the output end of the carbon brush installation assembly 700; the two second feeding structures 220 are all installed on the base 100, the two second feeding structures 220 are respectively arranged in one-to-one correspondence with the two first feeding structures 210, when the connecting plate 510 is located at a position far away from the central shaft 110, the output ends of the second feeding structures 220 are arranged towards the first feeding structures 210, the carbon brush unit 920 can enter the first feeding structures 210 along the second feeding structures 220, when the connecting plate 510 is located at a position close to the central shaft 110, the carbon brush unit 920 can enter the output ends of the carbon brush installation assembly 700 along the first feeding structures 210, and when the carbon brush installation assembly 700 works, the carbon brush unit 920 can be fed into the carbon brush box. The connection plate 510 moves back and forth on the base 100, so that the carbon brush unit 920 periodically enters the first feeding structure 210 along the second feeding structure 220 and then enters the output end of the carbon brush installation assembly 700 along the first feeding structure 210, thereby completing continuous and rapid installation.
The carbon brush installation device for the direct current motor disclosed in this embodiment forms the fixation to the carbon brush support 910 by using the fixing component 600, the carbon brush unit 920 enters the first feeding structure 210 along the second feeding structure 220, then approaches along with the control component 500 and enters the output end of the carbon brush installation component 700, then the carbon brush unit 920 can be sent into the carbon brush support 910 by using the carbon brush installation component 700, the two carbon brush installation components 700 work simultaneously to complete the installation of the two carbon brush units 920 once, and then the central shaft 110 is rotated, so that the carbon brush units 920 can be installed on other positions of the carbon brush support 910.
In this embodiment, the first support block 120 and the second support block 130 may be disposed on the base 100, the first rack 520 is slidably connected to the first support block 120, and the second rack 530 is slidably connected to the second support block 130. Since the first rack 520 is engaged with the first gear 420 and the second rack 530 is engaged with the second gear 430, the first rack 520 is positioned lower than the second rack 530, and the second support block 130 may be positioned higher than the first support block 120 when the first support block 120 and the second support block 130 are positioned so as to support the first rack 520 and the second rack 530.
In some implementations of the present embodiment, the motor core bending apparatus further includes a spacing assembly 800, the spacing assembly 800 including a first slider 810, a second slider 830, a first elastic member 840, and a connecting member 850.
The first slider 810 is slidably connected to the base 100, the sliding direction of the first slider 810 is the same as the sliding direction of the fixing portion 620, the first slider 810 is vertically disposed, one end of the first slider 810 is located on the sliding path of the fixing portion 620, the first slider 810 is located on one side of the fixing portion 620 facing the pressing cylinder 610, and the other end of the first slider 810 is slidably connected to the base 100. The second slider 830 is slidably connected to the base 100, and the sliding direction of the second slider 830 is inclined or perpendicular to the sliding direction of the first rack 520. The first elastic member 840 makes the second slider 830 have a tendency to slide toward the first supporting block 120. The second slider 830 and the first slider 810 are connected through the connection member 850, when the second slider 830 moves toward the first support block 120, the second slider 830 can drive the first slider 810 to approach toward the central shaft 110, and when the first slider 810 approaches toward the pressing cylinder 610, the first slider 810 can drive the second slider 830 to slide toward a direction away from the first support block 120 against the elastic force of the first elastic member 840. The first rack 520 is provided with a first positioning groove 621521 for being matched with the second slider 830, and when the fixing part 620 pushes the first slider 810 to slide towards the compression cylinder 610, the second slider 830 exits the range of the first positioning groove 621521; when the first slider 810 loses the restraining force from the fixing portion 620, the second slider 830 moves under the action of the first elastic member 840 and pulls the first slider 810 to approach toward the central shaft 110, and the second slider 830 can be locked into the first positioning groove 621521, so as to position and restrain the first rack 520.
Further, the limiting assembly 800 may further include a third slider slidably connected to the base 100, where the sliding direction of the third slider is perpendicular to the sliding direction of the second rack 530, and the sliding direction of the second slider 830 is perpendicular to the sliding direction of the first rack 520, and the third slider and the second slider 830 are located on the same line, and since the second rack 530 is higher than the first rack 520, the height of the third slider is greater than that of the second slider 830, and of course, in this case, only the upper surface of the second slider 830 is flush with the upper surface of the first rack 520, and the upper surface of the third slider is flush with the upper surface of the second rack 530, so as to avoid affecting the rotation of the first movable frame 310 or the second movable frame 320.
The first elastic member 840 may be installed between the second slider 830 and the third slider, and the first elastic member 840 may be a spring in a compressed state, the first elastic member 840 makes the second slider 830 and the third slider have a trend of being far away from each other, the second rack 530 is provided with a second positioning groove 622531 for being matched with the third slider, the second positioning groove 622531 is parallel to the first positioning groove 621521, and the second positioning groove 622531 is located on the same straight line with the projection of the first positioning groove 621521 on the base 100 so as to be matched with the second slider 830 and the third slider.
Wherein, the connecting pieces 850 may be pull ropes, the number of the connecting pieces 850 is two, the two connecting pieces 850 are respectively connected with the second sliding block 830 and the third sliding block, and the connecting pieces 850 are connected to opposite ends of the second sliding block 830 and the third sliding block.
In some implementations of the present embodiment, the carbon brush installation assembly 700 includes a push rod motor 710, a push block 720 and a guide plate 730, the push block 720 is installed at an output end of the push rod motor 710, the guide plate 730 is located at a side of the push block 720 facing away from the first feeding structure 210, and an extending direction of the guide plate 730 is parallel to a moving direction of the push block 720. When the carbon brush unit 920 enters the output end of the carbon brush installation assembly 700 from the first feeding structure 210, the guide plate 730 is utilized to limit the carbon brush unit 920, so as to prevent the carbon brush unit 920 from moving out of the carbon brush installation assembly 700, and when the pushing block 720 pushes the carbon brush unit 920 to move towards the carbon brush bracket 910, the guide plate 730 can guide the carbon brush unit 920, so that the carbon brush unit 920 is smoothly clamped into the carbon brush box.
Further, an accommodating groove 731 may be provided at a side of the guide plate 730 facing the push block 720, then a second elastic member 733 and a control block 732 are installed on the guide plate 730, the control block 732 is located in the accommodating groove 731, and the control block 732 is slidably connected with the accommodating groove 731, the second elastic member 733 is installed between a sidewall of the accommodating groove 731 and the control block 732, the second elastic member 733 makes the control block 732 have a tendency to move toward the push rod motor 710, the guide plate 730 is slidably connected with the first movable frame 310, and the control block 732 is fixedly connected with the push block 720. When the push block 720 moves towards the carbon brush support 910, the push block 720 drives the guide plate 730 to move towards the carbon brush support 910 together, and when the guide plate 730 is in contact with the carbon brush box, the push block 720 drives the control block 732 to move towards the carbon brush support 910 together against the elastic force of the second elastic piece 733 so as to send the carbon brush unit 920 into the carbon brush box; when the push block 720 moves in the direction away from the carbon brush support 910, the control block 732 moves along with the push block 720 in the direction away from the carbon brush support 910, and when the control block 732 contacts with the side wall of the accommodating groove 731, the guide plate 730 moves along with the push block 720, so that the control block is separated from the range of the carbon brush support 910, and at this time, the carbon brushes can be conveniently detached or rotated.
In some implementations of the present embodiment, the mounting block 410 may include a first shaft 411 and a second shaft 412, the first shaft 411 and the second shaft 412 are coaxially disposed, the diameter of the first shaft 411 is equal to the inner diameter of the carbon brush holder 910, the diameter of the second shaft 412 is smaller than the outer diameter of the carbon brush holder 910, the clamping groove 413 is located on the first shaft 411, the clamping groove 413 is recessed along the radial direction of the first shaft 411, and the length of the clamping groove 413 is equal to the length of the first shaft 411.
In some implementations of this embodiment, the central shaft 110 is provided with a groove 112, a third elastic member 113 and a rotating piece 111, the rotating piece 111 is rotationally connected with the central shaft 110, the rotation axis of the rotating piece 111 is parallel to the axis of the central shaft 110, the rotating piece 111 is located at the notch of the groove 112, the third elastic member 113 is installed between the bottom of the groove 112 and the rotating piece 111, and the third elastic member 113 makes the rotating piece 111 have a tendency to rotate towards the outside of the groove 112. The first gear 420 is rotatably connected with the central shaft 110, a plurality of wedge grooves 421 for being matched with the rotating piece 111 are arranged on the inner wall of the first gear 420, the plurality of wedge grooves 421 are sequentially arranged along the circumferential direction of the first gear 420, the wedge grooves 421 are matched with the rotating piece 111 so that the first gear 420 can only rotate relative to the central shaft 110 along the first direction, and the central shaft 110 can synchronously rotate along with the first gear 420 along the second direction. When the first gear 420 rotates along the first direction, the edge of the wedge-shaped groove 421 presses the rotating plate 111 into the groove 112, so that the first gear 420 can smoothly rotate along the first direction relative to the shaft spindle, and when the first gear 420 rotates along the second direction, the rotating plate 111 abuts against the wedge-shaped groove 421, and at this time, the first gear 420 drives the central shaft 110 to rotate along the second direction.
In this embodiment, the clockwise direction in fig. 1 may be the first direction, and the counterclockwise direction in fig. 1 may be the second direction.
The dc motor carbon brush mounting device disclosed in this embodiment works as follows:
initially, the connecting piece 850 is located near the central shaft 110, at this time, the first movable frame 310 and the second movable frame 320 are close to each other and are located at two sides of the fixed assembly 600 respectively, the output end of the first feeding structure 210 is also just communicated with the output end of the carbon brush installation assembly 700, so that the carbon brush unit 920 enters the output end of the carbon brush installation assembly 700, at this time, the carbon brush support 910 can be detached or rotated, after the carbon brush support 910 is installed on the installation block 410, the fixed assembly 600 works, and the carbon brush support 910 is fixed on the installation block 410 by using the fixing portion 620;
then, the connecting plate 510 is moved in a direction away from the central shaft 110, and in this process, the first gear 420 drives the second movable frame 320 to rotate in a first direction, and the second gear 430 drives the first movable frame 310 to rotate in a second direction;
when the connecting piece 850 moves to the position farthest from the central shaft 110, the second sliding block 830 is snapped into the first positioning groove 621521, and the third sliding block is snapped into the second positioning groove 622531 to position and lock the control assembly 500, and at this time, the first movable frame 310 and the second movable frame 320 respectively drive the carbon brush mounting assembly 700 to align with one of the carbon brush boxes on the carbon brush support 910, and the edge of the wedge groove 421 presses the rotating plate 111 into the groove 112, so that the central shaft 110 will not rotate along with the first gear 420 in the first direction;
the carbon brush installation assembly 700 works, and after the carbon brush unit 920 is sent into the carbon brush box, the push block 720 is controlled to move towards the direction away from the carbon brush support 910;
then, the fixing assembly 600 works, the fixing portion 620 leaves the range of the carbon brush support 910, and the fixing portion 620 pushes the first slider 810 to slide towards the compacting cylinder 610, at this time, the first slider 810 drives the second slider 830 and the third slider to move through the connecting piece 850, so that the second slider 830 and the third slider approach each other, so that the second slider 830 leaves the range of the first positioning groove 621521, and the third slider leaves the range of the second positioning groove 622531, at this time, the control assembly 500 is unlocked and can move;
after the fixing portion 620 completely leaves the range of the carbon brush holder 910, the connecting piece 850 can move toward the central shaft 110, and at this time, the first gear 420 drives the second movable frame 320 to rotate along the second direction, and the second gear 430 drives the first movable frame 310 to rotate along the first direction, and at this time, since the edge of the wedge-shaped groove 421 just can form a clamping connection with the rotating piece 111, the central shaft 110 can rotate along with the first gear 420 along the second direction, and the mounting block 410 can rotate along with the central shaft 110, so that the carbon brush holder 910 rotates to switch the position of the carbon brush box. And then the steps are repeated.
In this embodiment, when the connecting piece 850 reaches the position close to the central shaft 110 from the position far from the central shaft 110, the central shaft 110 and the mounting block 410 just rotate 90 degrees, so as to adjust the position of the carbon brush box, and the carbon brush unit 920 can be mounted on all the carbon brush boxes on one carbon brush bracket 910 after two operations of the carbon brush mounting device of the direct current motor.
After the fixing assembly 600 completely leaves the range of the carbon brush holder 910, the connecting member 850 can move toward the central shaft 110, and the central shaft 110 can drive the mounting block 410 and the carbon brush holder 910 to rotate, so as to avoid friction and collision between the carbon brush holder 910 and the support of the fixing assembly 600.
The above is only a preferred embodiment of the present application, and is not intended to limit the present application, but various modifications and variations can be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (9)
1. A carbon brush mounting apparatus for a direct current motor for mounting a carbon brush unit to a carbon brush holder, comprising:
a base;
the central shaft is rotationally connected with the base;
the first gear is rotationally connected with the central shaft;
the second gear is rotationally connected with the central shaft and is arranged at intervals with the first gear;
the first movable frame is fixedly connected with the second gear;
the second movable frame is fixedly connected with the first gear;
the mounting block is mounted on the top of the central shaft;
the control assembly is used for controlling the first gear and the second gear to reversely rotate, the control assembly comprises a connecting plate, a first rack and a second rack, the connecting plate is positioned between the first rack and the second rack, the first rack and the second rack are respectively positioned at two sides of the central shaft, the connecting plate is in sliding connection with the base, the first rack is meshed with the first gear, the second rack is meshed with the second gear, and therefore when the connecting plate moves on the base, the rotation directions of the first gear and the second gear are opposite;
the fixing assembly comprises a pressing cylinder and a fixing part, the pressing cylinder is mounted on the base, the fixing part is mounted at the output end of the pressing cylinder, a first fixing groove and a second fixing groove are formed in the fixing part, the first fixing groove penetrates through the fixing part in the direction parallel to the axis of the central shaft, the second fixing groove penetrates through the fixing part in the direction perpendicular to the axis of the central shaft, the first fixing groove is communicated with the second fixing groove, the first fixing groove and the second fixing groove are crossed to form a cross shape, when the pressing cylinder controls the fixing part to move towards the carbon brush support, the first fixing groove and the carbon brush box form clamping connection, and the second fixing groove and the carbon brush support form clamping connection, so that the carbon brush support is fixed;
the two carbon brush installation components are respectively installed on the first movable frame and the second movable frame, and the output ends of the carbon brush installation components are arranged towards the installation blocks;
the two first feeding structures are respectively arranged on the first rack and the second rack, and when the connecting plate is positioned close to the central shaft, the output end of the first feeding structure is communicated with the output end of the carbon brush installation assembly;
the two second feeding structures are arranged on the base, the two second feeding structures are respectively arranged in one-to-one correspondence with the two first feeding structures, and when the connecting plate is located at a position far away from the central shaft, the output end of the second feeding structure faces the first feeding structure.
2. The device for mounting a carbon brush of a direct current motor according to claim 1, wherein the carbon brush mounting assembly comprises a push rod motor, a push block and a guide plate, the push block is mounted at an output end of the push rod motor, the guide plate is located at one side of the push block, which is away from the first feeding structure, and an extending direction of the guide plate is parallel to a moving direction of the push block.
3. The device for mounting a carbon brush of a dc motor according to claim 2, wherein a receiving groove is provided on a side of the guide plate facing the push block, a second elastic member and a control block are mounted on the guide plate, the control block is located in the receiving groove and is slidably connected with the receiving groove, the second elastic member is mounted between a side wall of the receiving groove and the control block, the second elastic member makes the control block have a tendency to move toward the push rod motor, the guide plate is slidably connected with the first movable frame, and the control block is fixedly connected with the push block.
4. The device for mounting a carbon brush of a direct current motor according to claim 1, wherein the mounting block comprises a first shaft and a second shaft, the first shaft and the second shaft are coaxially arranged, the diameter of the first shaft is equal to the inner diameter of the carbon brush support, the diameter of the second shaft is smaller than the outer diameter of the carbon brush support, a clamping groove is formed in the first shaft, the clamping groove is recessed along the radial direction of the first shaft, and the length of the clamping groove is equal to the length of the first shaft.
5. The device for mounting a carbon brush of a direct current motor according to claim 1, wherein a first supporting block and a second supporting block are arranged on the base, the first rack is slidably connected with the first supporting block, and the second rack is slidably connected with the second supporting block.
6. The dc motor carbon brush mounting apparatus of claim 5, further comprising a spacing assembly, the spacing assembly comprising:
the first sliding block is in sliding connection with the base, the sliding direction of the first sliding block is the same as that of the fixed part, one end of the first sliding block is positioned on a sliding path of the fixed part, and the first sliding block is positioned on one side of the fixed part, which faces the compression cylinder;
the second sliding block is in sliding connection with the base, and the sliding direction of the second sliding block is inclined or vertical to the sliding direction of the first rack;
a first elastic member that causes the second slider to have a tendency to slide toward the first support block;
the second sliding block is connected with the first sliding block through the connecting piece;
the first rack is provided with a first positioning groove matched with the second sliding block, and when the fixing part pushes the first sliding block to slide towards the compression cylinder, the second sliding block exits from the range of the first positioning groove.
7. The device for mounting a carbon brush of a dc motor according to claim 6, wherein the limiting assembly further comprises a third slider slidably connected to the base, a sliding direction of the third slider is perpendicular to a sliding direction of the second rack, the sliding direction of the second slider is perpendicular to the sliding direction of the first rack, the first elastic member is mounted between the second slider and the third slider, the first elastic member makes the second slider and the third slider have a trend of being far away from each other, and the second rack is provided with a second positioning groove for being matched with the third slider.
8. The device for mounting a carbon brush of a dc motor according to claim 7, wherein the number of the connecting members is two, the two connecting members are respectively connected to the second slider and the third slider, and the connecting members are connected to opposite ends of the second slider and the third slider, and when the fixing portion pushes the first slider to slide toward the pressing cylinder, the second slider and the third slider approach each other.
9. The device for mounting a carbon brush of a dc motor according to claim 1, wherein a groove, a third elastic member and a rotating piece are provided on the central shaft, the rotating piece is rotatably connected with the central shaft, a rotation axis of the rotating piece is parallel to an axis of the central shaft, the rotating piece is located at a notch of the groove, the third elastic member is mounted between a bottom of the groove and the rotating piece, and the third elastic member makes the rotating piece have a tendency to rotate outwards of the groove; and be provided with a plurality of be used for on the inner wall of first gear with rotor blade complex wedge groove, a plurality of the wedge groove is followed the circumference of first gear sets gradually, the wedge groove with rotor blade cooperation makes first gear can only follow first direction for the center pin rotates, just the center pin can follow along the second direction first gear synchronous rotation.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110265665.5A CN112953130B (en) | 2021-03-11 | 2021-03-11 | Carbon brush installation device of direct current motor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110265665.5A CN112953130B (en) | 2021-03-11 | 2021-03-11 | Carbon brush installation device of direct current motor |
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| CN112953130B true CN112953130B (en) | 2023-09-15 |
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| CN202110265665.5A Active CN112953130B (en) | 2021-03-11 | 2021-03-11 | Carbon brush installation device of direct current motor |
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Effective date of registration: 20240520 Address after: 230000 b-1018, Woye Garden commercial office building, 81 Ganquan Road, Shushan District, Hefei City, Anhui Province Patentee after: HEFEI WISDOM DRAGON MACHINERY DESIGN Co.,Ltd. Country or region after: China Address before: 310018, No. 258, source street, Xiasha Higher Education Park, Hangzhou, Zhejiang Patentee before: China Jiliang University Country or region before: China |
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