CN113483062B - Starting and braking self-rotating structure of NGW gearbox - Google Patents

Starting and braking self-rotating structure of NGW gearbox Download PDF

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Publication number
CN113483062B
CN113483062B CN202110745857.6A CN202110745857A CN113483062B CN 113483062 B CN113483062 B CN 113483062B CN 202110745857 A CN202110745857 A CN 202110745857A CN 113483062 B CN113483062 B CN 113483062B
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China
Prior art keywords
transmission
motor
clutch
output shaft
spring
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CN202110745857.6A
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Chinese (zh)
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CN113483062A (en
Inventor
霍金文
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BAKON TECHNOLOGY Ltd
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BAKON TECHNOLOGY Ltd
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H1/00—Toothed gearings for conveying rotary motion
    • F16H1/28—Toothed gearings for conveying rotary motion with gears having orbital motion
    • F16H1/32—Toothed gearings for conveying rotary motion with gears having orbital motion in which the central axis of the gearing lies inside the periphery of an orbital gear
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B21/00—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H35/00—Gearings or mechanisms with other special functional features
    • F16H35/10—Arrangements or devices for absorbing overload or preventing damage by overload
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
    • H02K11/21—Devices for sensing speed or position, or actuated thereby
    • H02K11/215—Magnetic effect devices, e.g. Hall-effect or magneto-resistive elements
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/30—Structural association with control circuits or drive circuits
    • H02K11/33—Drive circuits, e.g. power electronics
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
    • H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H1/00—Toothed gearings for conveying rotary motion
    • F16H1/28—Toothed gearings for conveying rotary motion with gears having orbital motion
    • F16H1/32—Toothed gearings for conveying rotary motion with gears having orbital motion in which the central axis of the gearing lies inside the periphery of an orbital gear
    • F16H2001/327—Toothed gearings for conveying rotary motion with gears having orbital motion in which the central axis of the gearing lies inside the periphery of an orbital gear with orbital gear sets comprising an internally toothed ring gear
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H35/00—Gearings or mechanisms with other special functional features
    • F16H35/10—Arrangements or devices for absorbing overload or preventing damage by overload
    • F16H2035/103—Arrangements or devices for absorbing overload or preventing damage by overload with drive interruption by structural failure of overload preventing means, e.g. using shear pins
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/72—Wind turbines with rotation axis in wind direction

Abstract

The invention discloses a starting and braking self-rotation structure of an NGW gearbox, and particularly relates to the field of NGW speed reducer accessories, which comprises a transmission motor, wherein one end of the transmission motor is detachably and movably connected with an upper clutch, a one-way gear is arranged in the upper clutch and is sleeved with an output shaft of the transmission motor, a one-way bearing is arranged between the one-way gear and the output shaft of the transmission motor, motor teeth are sleeved at the end of the output shaft of the transmission motor, a first bearing is arranged outside the one-way bearing and the one-way gear, a sun rack is arranged at one end of the motor teeth, which is far away from the transmission motor, a lower rack is arranged at one side of the sun rack, which is far away from the motor teeth, and planetary gears are respectively engaged and connected among the lower rack, the motor teeth and the sun rack in a transmission manner. The invention can reduce the influence of inertia on the quality of locking products; the production yield is improved; the fatigue of operators is reduced; provides a safe and reliable production tool with comfortable use for operators.

Description

Starting and braking self-rotating structure of NGW gearbox
Technical Field
The invention relates to the technical field of NGW speed reducer accessories, in particular to a starting and braking self-rotating structure of an NGW gearbox.
Background
At present, the common NGW speed reducer braking mode in the market is built-in rear end transmission braking or middle section transmission braking, the braking inertia of the two types of braking is large, and fatigue damage can be caused after long-time work.
Disclosure of Invention
In order to overcome the above-mentioned defects in the prior art, an embodiment of the present invention provides a structure for starting and braking self-rotation of an NGW transmission, and the technical problems to be solved by the present invention are: how to adapt the NGW speed reducer to all electric tools needing to use adjustable torque.
In order to achieve the purpose, the invention provides the following technical scheme: a starting and braking self-rotation structure of an NGW gearbox comprises a transmission motor serving as a power source, wherein one end of the transmission motor is detachably and movably connected with an upper clutch, the upper clutch plays a role of starting and stopping between the transmission motor and a lower clutch, a one-way gear is arranged inside the upper clutch and is sleeved with an output shaft of the transmission motor, a one-way bearing is arranged between the one-way gear and the output shaft of the transmission motor and is used for preventing the inner gear ring, a magnet and the inner gear ring from rotating in a pushing mode, motor teeth are arranged at the end of the output shaft of the transmission motor in a sleeved mode and are used for transmission, a first bearing is arranged outside the one-way bearing and the one-way gear and plays a role of fixing and guaranteeing concentricity, a sun rack is arranged at one end, far away from the transmission motor, of the motor teeth is used for transmitting and fixing a planetary gear, the transmission device is characterized in that a lower rack is arranged on one side, away from the motor teeth, of the sun rack, the lower rack plays a role in transmission and fixing of the planetary gears, the planetary gears are in meshing transmission connection with the lower rack, the planetary gears play a role in speed reduction transmission, an inner gear ring is sleeved and meshed between the planetary gears and the first bearing, the inner gear ring is matched with the motor teeth, the planetary gears, the sun rack and the lower rack to play a role in speed reduction, an inner gear ring push disc is arranged on one side of the inner gear ring, magnets are fixedly arranged on two sides of the outer wall of one end of the inner gear ring, the magnets are matched with the Hall brake sensing assembly and the driving plate to play a role in braking the motor, a transmission shaft is further arranged inside the upper clutch and provides driving force for the bit, a second bearing is arranged between the outer side of the transmission shaft and the inner wall of the upper clutch and plays a role in keeping of the transmission shaft and the one-way gear, the first bearing, the inner gear ring gear, the inner gear ring and the transmission shaft, The outer side wall of the upper clutch is provided with a Hall brake sensing assembly, an upper clutch bush is arranged between the second bearing and the upper clutch and plays a role in protecting the upper clutch from being abraded, a torsion jacking pin is arranged inside the upper clutch bush and plays a role in not descending when the force is smaller than the pressure of a torsion spring and descending when the force is larger than the pressure of the torsion spring, one side of the transmission shaft is provided with a screwdriver head, an output shaft rod is sleeved between the screwdriver head and the transmission shaft and plays a role in outputting power when being assembled with the transmission shaft, a shaft sleeve, a clamping spring and the steel balls, a shaft sleeve is sleeved on the outer side of one end of the output shaft rod, the shaft sleeve is assembled with the clamping spring and the steel balls to prevent the output shaft rod from falling off, the steel balls are rotatably connected between the outer side of the transmission shaft and the inner side of the shaft sleeve, and the outer side of the output shaft rod at one end of the shaft sleeve is sleeved with the clamping spring, one end of the upper clutch, which is far away from the transmission motor, is in threaded connection with a lower clutch, the lower clutch plays a role in fixing a torque force adjusting ring and connecting the upper clutch, one end of the lower clutch, which is far away from the upper clutch, is in threaded connection with the torque force adjusting ring, a second spring gasket, a lower clutch and a roller pin play a role in adjusting the acting force of the spring, a first spring gasket is arranged at the joint of the lower clutch and the upper clutch, the first spring gasket, the second spring gasket, the roller pin and the torque force adjusting ring are assembled to play a role in adjusting the torque force, a second spring gasket is arranged at the joint of the lower clutch and the torque force adjusting ring, the second spring gasket, the roller pin and the torque force adjusting ring are in linkage with each other to adjust the torque force, a torque spring is arranged between the second spring gasket and the first spring gasket, and the torque spring gasket, and the lower clutch, The roller pins and the torsion adjusting ring play a role in adjusting the reaction force of the spring, a plurality of roller pins are inserted between the inner wall of the torsion adjusting ring and the lower clutch, the roller pins, the second spring gasket, the lower clutch and the torsion adjusting ring play a role in adjusting the acting force of the spring, one end of the bit protrudes out of the torsion adjusting ring, a locking sleeve is arranged at the joint of the bit and the torsion adjusting ring, a locking sleeve clamp spring is arranged at the joint of the inner wall of the locking sleeve and one end of the outer wall of the output shaft rod and plays a role in preventing the locking sleeve from falling down, a locking sleeve spring is sleeved between the outer wall of the output shaft rod and the torsion adjusting ring and plays a role in preventing the bit from falling down for the elasticity of the locking sleeve, and a flat washer is arranged at the joint of one end of the locking sleeve spring and the lower clutch.
In a preferred embodiment, hall brake response subassembly includes PCB board and hall sensor, PCB board position still fixedly is equipped with the drive plate, hall sensor, PCB board and driving motor all with drive plate electric connection, magnet can have low level signal to give the drive plate when passing through hall sensor, the drive plate receives to play to give the motor brake and give motor drive's effect behind hall brake response subassembly's the low level signal.
In a preferred embodiment, the joints of the output shaft lever and the clamp springs and the joint of the locking sleeve clamp spring are provided with positioning grooves, the joints of the output shaft lever and the steel balls are provided with through holes, the through holes penetrate through the output shaft lever, and the inner diameter of each through hole is equal to the outer diameter of each steel ball.
In a preferred embodiment, the torsion spring is disposed in the lower clutch inner cavity, the torsion spring being disposed between the output shaft and the lower clutch.
In a preferred embodiment, a plurality of pins are arranged between the inner gear ring pushing disc and the inner gear ring, and the inner gear ring pushing disc and the inner gear ring are fixed into a whole through the pins.
In a preferred embodiment, a mounting groove is formed at a joint of one end of the lower rack and the transmission shaft, and the transmission shaft is inserted into the lower rack through the mounting groove.
In a preferred embodiment, a cross screw is arranged between the hall brake sensing assembly and the upper clutch, and the PCB board and the driving board are fixed with the upper clutch through the cross screw.
In a preferred embodiment, a plurality of cross-type thread screws are arranged at the connection part of the upper clutch and the transmission motor, and the upper clutch and the transmission motor are detachably connected through the cross-type thread screws.
The invention has the technical effects and advantages that:
the invention makes NGW reducer in linkage state, when the transmission motor rotates positively to drive motor teeth to rotate, the inner gear ring rotates to the position of torsion knock pin and stops rotating, when the inner gear ring is stopped by the torsion knock pin, the force of the transmission motor is transmitted to the transmission shaft through NGW reducer to rotate the transmission shaft and drive the output shaft to rotate, when the transmission force of the output shaft exceeds the reaction force of torsion spring to the torsion knock pin, the torsion knock pin will move downwards to drive the first spring gasket and the second spring gasket to compress the locking sleeve spring, the inner gear ring push disc rotates a certain distance without being stopped by the torsion knock pin after the torsion knock pin moves downwards, because there is magnet on the side of the inner gear ring, and there is a brake sensing component on the same plane of the upper clutch, when the inner gear ring push disc does not receive the action of torsion knock pin to rotate, the magnet on the same plane will rotate a certain angle similarly, the magnet and the Hall sensor are induced to generate high and low level signals, and the drive plate reads the Hall sensor signal and processes the Hall sensor signal and then gives a braking instruction to the motor, so that the influence of inertia on the quality of a locked product is reduced; the production yield is improved; the fatigue of operators is reduced; provides a safe and reliable production tool with comfortable use for operators.
Drawings
Fig. 1 is a schematic diagram of the overall explosive structure of the present invention.
Fig. 2 is a schematic view of the overall structure of the first view angle of the present invention.
FIG. 3 is a cross-sectional view of a first perspective of the present invention.
Fig. 4 is a schematic view of the overall structure of the second viewing angle of the present invention.
FIG. 5 is a cross-sectional view of a second perspective of the present invention.
The reference signs are: the device comprises a transmission motor 1, a one-way bearing 2, a one-way gear 3, a motor tooth 4, a first bearing 5, a planetary gear 6, a sun rack 7, a lower tooth rack 8, an inner gear ring 9, a magnet 10, a pin 11, an inner gear ring push disc 12, a second bearing 13, a transmission shaft 14, a cross-shaped screw 15, an upper clutch 16, a Hall brake sensing assembly 17, a cross-shaped screw 18, an upper clutch bushing 19, a torsion ejector pin 20, a shaft sleeve 21, a snap spring 22, a steel ball 23, an output shaft rod 24, a first spring gasket 25, a torsion spring 26, a second spring gasket 27, a lower clutch 28, a flat gasket 29, a locking sleeve spring 30, a snap spring locking sleeve 31, a locking sleeve 32, a needle roller 33, a torsion adjusting ring 34, a screwdriver bit 35 and a drive plate 36.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a starting and braking self-rotation structure of an NGW gearbox, which comprises a transmission motor 1 serving as a power source, wherein one end of the transmission motor 1 is detachably and movably connected with an upper clutch 16, the upper clutch 16 plays a role of bearing up and down between the transmission motor 1 and a lower clutch 28, a one-way gear 3 is arranged inside the upper clutch 16, the one-way gear 3 is sleeved with an output shaft of the transmission motor 1, a one-way bearing 2 is arranged between the one-way gear 3 and the output shaft of the transmission motor 1, the one-way bearing 2 and the one-way gear 3 are used for preventing the inner gear ring 9, a magnet 10 and the inner gear ring push disc 12 from rotating reversely, an output shaft of the transmission motor 1 is sleeved with a motor tooth 4, the motor tooth 4 is used for transmission, a first bearing 5 is arranged outside the one-way bearing 2 and the one-way gear 3 and plays a role of fixing and ensuring concentricity, a sun rack 7 is arranged at one end, far away from the transmission motor 1, of the motor tooth 4, the sun carrier 7 has the functions of transmitting and fixing the planet gear 6, one side of the sun carrier 7, which is far away from the motor teeth 4, is provided with a lower gear carrier 8, the lower gear carrier 8 has the functions of transmitting and fixing the planet gear 6, the lower gear carrier 8, the motor teeth 4 and the sun carrier 7 are in meshing transmission connection with the planet gear 6 to play the role of speed reduction transmission, an inner gear ring 9 is sleeved and meshed between the planet gear 6 and the first bearing 5, the inner gear ring 9 is matched with the motor teeth 4, the planet gear 6, the sun carrier 7 and the lower gear carrier 8 to play the role of speed reduction, one side of the inner gear ring 9 is provided with an inner gear ring push disc 12, two sides of the outer wall at one end of the inner gear ring 9 are respectively and fixedly provided with a magnet 10, the magnet 10 is matched with a Hall brake sensing component 17 and a Hall brake sensing component 36 to play the role of braking for the motor, a transmission shaft 14 is further arranged in the upper clutch 16, the transmission shaft 14 transmits power to the bit 35, a second bearing 13 is arranged between the outer side of the transmission shaft 14 and the inner wall of the upper clutch 16, the second bearing 13 plays a role in keeping the concentricity of the transmission shaft 14, the one-way gear 3, the first bearing 5, the inner gear ring 9, the magnet 10 and the inner gear ring push disc 12, a hall brake sensing assembly 17 is arranged on the outer side wall of the upper clutch 16, an upper clutch bush 19 is arranged between the second bearing 13 and the upper clutch 16, the upper clutch bush 19 plays a role in protecting the upper clutch 16 from abrasion, a torsion ejector pin 20 is arranged in the upper clutch bush 19, the torsion ejector pin 20 plays a role in that the torsion ejector pin does not move downwards when the force is smaller than the pressure of a torsion spring 26 and moves downwards when the force is larger than the pressure, a bit 35 is arranged on one side of the transmission shaft 14, an output shaft rod 24 is sleeved between the bit 35 and the transmission shaft 14, and the output shaft 14, the shaft sleeve 21, a snap spring 22 and a steel ball 23 are assembled to play a role in outputting power, a shaft sleeve 21 is sleeved on the outer side of one end, close to the upper clutch 16, of the output shaft rod 24, the shaft sleeve 21, a clamp spring 22 and the steel balls 23 are assembled to prevent the output shaft rod 24 from falling off, the steel balls 23 are rotatably connected between the outer side of the transmission shaft 14 and the inner side of the shaft sleeve 21, the clamp spring 22 is sleeved on the outer side of one end, far away from the transmission motor 1, of the output shaft rod 24, a lower clutch 28 is connected to one end, far away from the transmission motor 1, of the upper clutch 16 in a threaded manner, the lower clutch 28 plays a role in fixing a torque force adjusting ring 34 and connecting the upper clutch 16, a torque force adjusting ring 34 is connected to one end, far away from the upper clutch 16, of the lower clutch 28 in a threaded manner, the torque force adjusting ring 34, a second spring gasket 27, a lower clutch 28 and a roller pin 33 play a role in adjusting the acting force of a spring, a first spring gasket 25 is arranged at the joint of the lower clutch 28 and the upper clutch 16, the first spring gasket 25, the second spring gasket 27, the roller pin 33 and the torque force adjusting ring 34 are assembled to play a role in adjusting the torque force, a second spring gasket 27 is arranged at the joint of the lower clutch 28 and the torsion adjusting ring 34, the second spring gasket 27 is linked with the roller pins 33 and the torsion adjusting ring 34 to adjust the torsion, a torsion spring 26 is arranged between the second spring gasket 27 and the first spring gasket 25, the torsion spring 26, the first spring gasket 25, the second spring gasket 27, the lower clutch 28, the roller pins 33 and the torsion adjusting ring 34 play a role in adjusting the reaction force of the spring, a plurality of roller pins 33 are inserted between the inner wall of the torsion adjusting ring 34 and the lower clutch 28, the roller pins 33, the second spring gasket 27, the lower clutch 28 and the torsion adjusting ring 34 play a role in adjusting the acting force of the spring, one end of the bit 35 protrudes out of the torsion adjusting ring 34, a locking sleeve 31 is arranged at the joint of the bit 35 and the torsion adjusting ring 34, a locking sleeve snap spring 32 is arranged at the joint of the inner wall of the locking sleeve 31 and one end of the outer wall of the output shaft lever 24, the locking sleeve clamp spring 32 plays a role in preventing the locking sleeve 31 from falling, a locking sleeve spring 30 is sleeved between the outer wall of the output shaft rod 24 and the torsion adjusting ring 34, the locking sleeve spring 30 plays a role in providing elasticity for the locking sleeve 31 to prevent the bit 35 from falling, and a flat washer 29 is arranged at the joint of one end of the locking sleeve spring 30 and the lower clutch 28.
The Hall brake sensing assembly 17 comprises a PCB and a Hall sensor, a driving plate 36 is fixedly arranged at the position of the PCB, the Hall sensor, the PCB and the transmission motor 1 are electrically connected with the driving plate 36, a low level signal is provided for the driving plate 36 when the magnet 10 passes through the Hall sensor, the driving plate 36 plays roles of braking the motor and driving the motor after receiving the low level signal of the Hall brake sensing assembly 17, positioning grooves are arranged at the joints of the output shaft lever 24, the clamp spring 22 and the locking sleeve clamp spring 32, through holes are arranged at the joints of the output shaft lever 24 and the steel balls 23, the through holes penetrate through the output shaft lever 24, the inner diameter of each through hole is equal to the outer diameter of the steel balls 23, the torsion spring 26 is arranged in the inner cavity of the lower clutch 28, the torsion spring 26 is arranged between the output shaft lever 24 and the lower clutch 28, and a plurality of pins 11 are arranged between the inner gear push disc 12 and the inner gear ring 9, the inner gear ring push disc 12 and the inner gear ring 9 are fixed into a whole through a pin 11, a mounting groove is formed in the joint of one end of the lower rack 8 and the transmission shaft 14, the transmission shaft 14 is connected with the lower rack 8 in an inserting mode through the mounting groove, a cross screw 18 is arranged between the Hall brake sensing assembly 17 and the upper clutch 16, the PCB and the drive plate 36 are fixed with the upper clutch 16 through the cross screw 18, a plurality of cross-type tooth screws 15 are arranged at the joint of the upper clutch 16 and the transmission motor 1, and the upper clutch 16 is detachably connected with the transmission motor 1 through the cross-type tooth screws 15.
As shown in fig. 1 to 5, the embodiment specifically is as follows: when the transmission motor 1 rotates, the motor teeth 4, the planetary gear 6, the sun carrier 7, the transmission shaft 14, the lower gear carrier 8 and the output shaft rod 24 are driven to rotate, at the moment, the inner gear ring pushing disc 12 and the torque ejector pin 20 are in a blocking state due to the output shaft rod 24 and the first spring gasket 25, at the moment, the inner gear ring 9, the magnet 10 and the inner gear ring pushing disc 12 do not rotate, when the inner gear ring 9, the magnet 10 and the inner gear ring pushing disc 12 do not rotate, the planetary gear 6, the sun carrier 7, the transmission shaft 14, the lower gear carrier 8 and the locking sleeve snap spring 32 can rotate, when the torque force applied to the bit 35 is greater than the spring thrust force, the maximum torque force is a fixed value after the torque force is continuously output by the transmission motor 1 and is reduced by the reduction gearbox, so long as the force applied to the bit 35 is less than the force of the transmission motor 1, the inner gear ring pushing disc 12 can enable the torque ejector pin 20 to descend, and when the torque ejector pin 20 descends, the inner gear ring 9 and the magnet 10 can drive the inner gear ring pushing disc 12 to rotate half a turn, the inner gear ring pushing disc 12 in the half turn generates a low level signal through the hall brake sensing assembly 17, and the signal is processed by the driving plate 36 and then sends a brake signal to the motor.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiment of the invention, only the structures related to the disclosed embodiment are related, other structures can refer to common design, and the same embodiment and different embodiments of the invention can be combined mutually under the condition of no conflict;
and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.

Claims (4)

1. The utility model provides a start-up and brake autogyration's of NGW gearbox structure, includes driving motor (1), its characterized in that: one end of the transmission motor (1) is detachably and movably connected with an upper clutch (16), a one-way gear (3) is arranged inside the upper clutch (16), the one-way gear (3) is sleeved with an output shaft of the transmission motor (1), a one-way bearing (2) is arranged between the one-way gear (3) and the output shaft of the transmission motor (1), motor teeth (4) are sleeved at the output shaft end of the transmission motor (1), a first bearing (5) is arranged on the outer sides of the one-way bearing (2) and the one-way gear (3), a sun rack (7) is arranged at one end, far away from the transmission motor (1), of the motor teeth (4), a lower rack (8) is arranged at one side, far away from the motor teeth (4), of the sun rack (7), a planetary gear (6) is connected between the lower rack (8) and the motor teeth (4) and the sun rack (7) in a meshing transmission manner, and an inner gear ring (9) is sleeved and meshed between the planetary gear (6) and the first bearing (5), an inner gear ring push disc (12) is arranged on one side of the inner gear ring (9), magnets (10) are fixedly arranged on two sides of the outer wall of one end of the inner gear ring (9), a transmission shaft (14) is further arranged inside the upper clutch (16), a second bearing (13) is arranged between the outer side of the transmission shaft (14) and the inner wall of the upper clutch (16), a Hall brake sensing assembly (17) is arranged on the outer side wall of the upper clutch (16), an upper clutch bushing (19) is arranged between the second bearing (13) and the upper clutch (16), a torsion ejector pin (20) is arranged inside the upper clutch bushing (19), a bit (35) is arranged on one side of the transmission shaft (14), an output shaft lever (24) is sleeved between the bit (35) and the transmission shaft (14), a shaft sleeve (21) is sleeved on the outer side of one end, close to the upper clutch (16), of the output shaft lever (24), and a steel ball (23) is rotatably connected between the outer side of the transmission shaft (14) and the inner side of the shaft sleeve (21), a clamp spring (22) is sleeved on the outer side of an output shaft rod (24) at one end of the shaft sleeve (21), a lower clutch (28) is connected to one end, far away from the transmission motor (1), of the upper clutch (16) in a threaded manner, a torsion adjusting ring (34) is connected to one end, far away from the upper clutch (16), of the lower clutch (28) in a threaded manner, a first spring gasket (25) is arranged at the joint of the lower clutch (28) and the upper clutch (16), a second spring gasket (27) is arranged at the joint of the lower clutch (28) and the torsion adjusting ring (34), a torsion spring (26) is arranged between the second spring gasket (27) and the first spring gasket (25), a plurality of roller pins (33) are inserted between the inner wall of the torsion adjusting ring (34) and the lower clutch (28), a torsion adjusting ring (34) protrudes out of one end of the bit (35), and a locking sleeve (31) is arranged at the joint of the bit (35) and the torsion adjusting ring (34), a locking sleeve snap spring (32) is arranged at the joint of the inner wall of the locking sleeve (31) and one end of the outer wall of the output shaft lever (24), a locking sleeve spring (30) is sleeved between the outer wall of the output shaft lever (24) and the torsion adjusting ring (34), and a flat washer (29) is arranged at the joint of one end of the locking sleeve spring (30) and the lower clutch (28);
the Hall brake sensing assembly (17) comprises a PCB and a Hall sensor, a driving plate (36) is fixedly arranged at the position of the PCB, and the Hall sensor, the PCB and the transmission motor (1) are electrically connected with the driving plate (36); a cross screw (18) is arranged between the Hall brake sensing assembly (17) and the upper clutch (16), and the PCB and the drive plate (36) are fixed with the upper clutch (16) through the cross screw (18); the force borne by the bit (35) is only smaller than the force of the transmission motor (1), the inner gear ring push disc (12) can enable the torsion ejector pin (20) to move downwards, after the torsion ejector pin (20) moves downwards, the inner gear ring (9) and the magnet (10) can drive the inner gear ring push disc (12) to rotate for a half circle, the inner gear ring push disc (12) can generate a low-level signal through the Hall brake sensing assembly (17) in the half circle of rotation, and the signal can send a brake signal to the motor after being processed by the driving plate (36);
a plurality of pins (11) are arranged between the inner gear ring pushing disc (12) and the inner gear ring (9), and the inner gear ring pushing disc (12) and the inner gear ring (9) are fixed into a whole through the pins (11); a mounting groove is formed in the joint of one end of the lower tooth rack (8) and the transmission shaft (14), and the transmission shaft (14) is connected with the lower tooth rack (8) in an inserting mode through the mounting groove.
2. The structure of claim 1 for start and brake self rotation of an NGW transmission, wherein: the output shaft lever (24) and jump ring (22) and lock sleeve jump ring (32) junction all are equipped with the constant head tank, output shaft lever (24) and steel ball (23) junction are equipped with the through-hole, the through-hole runs through output shaft lever (24), and the through-hole internal diameter equals with steel ball (23) external diameter.
3. The structure of claim 1 for start and brake self rotation of an NGW transmission, wherein: the torsion spring (26) is arranged in an inner cavity of the lower clutch (28), and the torsion spring (26) is arranged between the output shaft lever (24) and the lower clutch (28).
4. The structure of claim 1 for start and brake self-rotation of an NGW transmission, wherein: go up clutch (16) and driving motor (1) junction and be equipped with many ten words tooth screws (15), go up and to dismantle the connection through ten words tooth screws (15) between clutch (16) and driving motor (1).
CN202110745857.6A 2021-07-01 2021-07-01 Starting and braking self-rotating structure of NGW gearbox Active CN113483062B (en)

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CN207989595U (en) * 2018-01-29 2018-10-19 无锡市恒翼通机械有限公司 Starting motor of automobile and its one-way clutch structure
CN110079977A (en) * 2019-04-24 2019-08-02 卧龙电气驱动集团股份有限公司 A kind of integrated motor of novel clutch drive mechanism
CN211046680U (en) * 2019-12-30 2020-07-17 宁波千江电机有限公司 Gear motor with electromagnetic brake

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3589489A (en) * 1968-05-02 1971-06-29 Premag Gmbh Drive for nut runners with automatic stop
CN2269271Y (en) * 1996-07-22 1997-12-03 陈锦良 Improved electric driven screw driver
GB9817293D0 (en) * 1997-08-27 1998-10-07 Scintilla Ag Tool,in particular a cordless screwdriver
CN201109090Y (en) * 2007-06-14 2008-09-03 常熟市德博电器有限公司 Non-contact electromagnetic induction electric screw driver arrangement
CN201136136Y (en) * 2007-08-28 2008-10-22 南京技佳科技有限责任公司 Non-contact type brake device for clutch of electric bottle opener
TWM503292U (en) * 2015-02-25 2015-06-21 Mijy Land Ind Co Ltd Maglev brake motor
CN205835156U (en) * 2016-07-27 2016-12-28 上海高手机电有限公司 A kind of electric screw driver
CN207989595U (en) * 2018-01-29 2018-10-19 无锡市恒翼通机械有限公司 Starting motor of automobile and its one-way clutch structure
CN110079977A (en) * 2019-04-24 2019-08-02 卧龙电气驱动集团股份有限公司 A kind of integrated motor of novel clutch drive mechanism
CN211046680U (en) * 2019-12-30 2020-07-17 宁波千江电机有限公司 Gear motor with electromagnetic brake

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