CN113442649A - Electric power-assisted wheel capable of being automatically retracted and released and control method thereof - Google Patents
Electric power-assisted wheel capable of being automatically retracted and released and control method thereof Download PDFInfo
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- CN113442649A CN113442649A CN202110680369.1A CN202110680369A CN113442649A CN 113442649 A CN113442649 A CN 113442649A CN 202110680369 A CN202110680369 A CN 202110680369A CN 113442649 A CN113442649 A CN 113442649A
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- 238000000034 method Methods 0.000 title claims abstract description 12
- 230000007246 mechanism Effects 0.000 claims abstract description 72
- 238000013016 damping Methods 0.000 claims abstract description 27
- 230000007704 transition Effects 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000000630 rising effect Effects 0.000 claims description 3
- 239000000725 suspension Substances 0.000 claims description 3
- 210000003813 thumb Anatomy 0.000 claims description 3
- 230000003028 elevating effect Effects 0.000 claims description 2
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 230000009467 reduction Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B33/00—Castors in general; Anti-clogging castors
- B60B33/04—Castors in general; Anti-clogging castors adjustable, e.g. in height; linearly shifting castors
- B60B33/045—Castors in general; Anti-clogging castors adjustable, e.g. in height; linearly shifting castors mounted resiliently, by means of dampers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B33/00—Castors in general; Anti-clogging castors
- B60B33/04—Castors in general; Anti-clogging castors adjustable, e.g. in height; linearly shifting castors
- B60B33/06—Castors in general; Anti-clogging castors adjustable, e.g. in height; linearly shifting castors mounted retractably
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- 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
- H02K7/06—Means for converting reciprocating motion into rotary motion or vice versa
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B2200/00—Type of product being used or applied
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B2200/00—Type of product being used or applied
- B60B2200/20—Furniture or medical appliances
- B60B2200/26—Medical appliances
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B2200/00—Type of product being used or applied
- B60B2200/40—Articles of daily use
- B60B2200/43—Carts
- B60B2200/434—Wheel barrows
Abstract
The invention provides an electric power-assisted wheel capable of being automatically retracted and released and a control method thereof, wherein in the control method, the electric power-assisted wheel is connected with the bottom of an external vehicle through an elastic damping mechanism and a lifting mechanism; the electric power-assisted wheels can be moved to the ground by the lifting mechanism so as to provide additional moving power for the external vehicle; the lifting mechanism is driven by a motor, after the electric power-assisted wheel descends to the ground, the electric power-assisted wheel adjusts the supporting force to the vehicle by the descending stroke of the electric power-assisted wheel, the resistance of the motor is increased by the increase of the supporting force, when the current of the speed reducing motor is increased to a threshold value due to the increase of the resistance of the motor, a controller of the motor judges that the supporting force of the electric power-assisted wheel meets the requirement of an external vehicle, the motor is stopped, and the lifting mechanism stops moving the electric power-assisted wheel; the invention can provide power assistance for a multi-wheel manpower vehicle, and can control the supporting force of the electric power-assisted wheel, so that the electric power-assisted wheel can work with the original driving wheel of the vehicle in a cooperative way.
Description
Technical Field
The invention relates to the technical field of driving wheels, in particular to an electric power-assisted wheel capable of being automatically folded and unfolded and a control method thereof.
Background
At present, common wheels are commonly used for carts, forklifts, sickbeds, dining cars and the like, are driven by manpower when in use, are inconvenient to operate and control, and have high labor intensity for users.
Because these manpower vehicles all are equipped with a plurality of supporting wheels, if for it adds booster unit, just need consider newly to establish how booster unit matches with original vehicle bearing structure to avoid too big holding power to make original wheel liftoff, or too little holding power can't reach the helping hand effect.
Disclosure of Invention
The invention provides an electric power-assisted wheel capable of being automatically folded and unfolded and a control method thereof, which can provide power assistance for a multi-wheel manpower vehicle and control the supporting force of the electric power-assisted wheel so that the electric power-assisted wheel can work with the original driving wheel of the vehicle in a cooperative manner.
The invention adopts the following technical scheme.
A control method of an electric power-assisted wheel capable of being automatically folded and unfolded, wherein in the control method, the electric power-assisted wheel is connected with the bottom of an external vehicle through an elastic damping mechanism and a lifting mechanism; the electric power-assisted wheels can be moved to the ground by the lifting mechanism so as to provide additional moving power for the external vehicle; the lifting mechanism is driven by the motor, when the electric power-assisted wheel descends to the ground, the electric power-assisted wheel adjusts the supporting force for the vehicle by the descending stroke of the electric power-assisted wheel, the increase of the supporting force increases the motor resistance of the motor, when the current of the speed reducing motor rises to a threshold value due to the increase of the motor resistance, the controller of the motor judges that the supporting force of the electric power-assisted wheel meets the requirements of an external vehicle, the motor stops, and the lifting mechanism stops moving the electric power-assisted wheel.
The electric power-assisted wheel is driven by a hub motor provided by the electric power-assisted wheel to provide driving assistance for an external vehicle; the electric power-assisted wheel is connected with the sliding frame component of the lifting mechanism through the damping mechanism; the lifting mechanism is fixed at the bottom of an external vehicle, a motor of the lifting mechanism drives the sliding frame assembly to move through the vertical screw nut mechanism to drive the electric power-assisted wheel to lift and adjust the supporting force of the electric power-assisted wheel on the external vehicle, and when the supporting force of the electric power-assisted wheel is increased to enable the current of the speed reducing motor to reach a threshold value, a controller of the lifting mechanism enables the speed reducing motor to stop.
The motor of the lifting mechanism is a speed reducing motor, and when the supporting force of the electric boosting wheel is increased to a threshold value and the speed reducing motor is stopped, the screw rod nut mechanism is in a self-locking state to lock the position of the sliding frame assembly;
the lifting mechanism is fixed at the outer frame assembly at the bottom of the external vehicle; the speed reducing motor is connected with the outer frame assembly through a motor fixing plate; the motor assisting wheel is fixed at the tail end of a connecting underframe of the damping mechanism; the connecting underframe is hinged with the rotating frame of the outer frame assembly through a connecting shaft with a shaft sleeve at the starting end, so that the connecting underframe can rotate between two side walls of the rotating frame; a damping torsion spring penetrating through the shaft sleeve is arranged in the rotating frame; one arm of the damping torsion spring is fixed at the rotating frame, and the other arm is arranged on the bottom plate of the connecting underframe in an overhead manner;
the lead screw of the lead screw nut mechanism is connected with a main shaft of the speed reducing motor, a sliding nut of the lead screw nut mechanism is connected with the sliding frame assembly to drive the sliding frame assembly to vertically move, the sliding frame assembly is connected with the rotating frame through a connecting rod, and the rotating frame is pushed to rotate when the sliding frame assembly moves up and down.
Arc-shaped damping limiting grooves are formed in the positions of two side plates of the rotating frame; the arc-shaped circle center of the damping limiting groove is positioned at the axle center of the shaft sleeve; limiting pins are fixed at two sides of the connecting underframe; one end of the limiting pin penetrates through the damping limiting groove of the rotating frame; the rotating frame pushes the connecting underframe to vertically swing when rotating;
the upper portion of outer gimbal assembly is equipped with initial point limit travel switch, when the top surface of swivel mount was screwed up to triggering initial point limit travel switch, elevating system's controller made gear motor shut down.
The speed reducing motor is powered by a battery, and a singlechip in the controller is connected with the wired controller through a cable to receive a control instruction; the wired controller comprises a starting key for sending a starting instruction to the single chip microcomputer and also comprises a storage key for sending a storage instruction to the single chip microcomputer.
When the single chip microcomputer receives a starting instruction of the wired controller and judges that the starting instruction is effective, a forward rotation instruction is sent to the speed reducing motor, the speed reducing motor drives the sliding frame assembly to move downwards through the screw rod nut mechanism, the rotating frame and the connecting underframe are pushed to swing downwards so that the electric power-assisted wheel touches the ground and forms supporting force for an external vehicle through thrust, when the supporting force rises, the load and current of the speed reducing motor also rise, and when the current rises to a threshold value, the single chip microcomputer sends a stopping instruction to the speed reducing motor so that the supporting force of the electric power-assisted wheel stops rising.
When the single chip receives a storage instruction of the wired controller and judges that the wired controller is effective, a reverse instruction is sent to the speed reducing motor, the speed reducing motor drives the sliding frame assembly to move upwards through the screw rod nut mechanism, the rotating frame and the connecting bottom frame are pulled to swing upwards to enable the electric power-assisted wheel to move upwards, and when the top surface of the rotating frame swings upwards to an original point limit travel switch at the position of the triggering outer frame assembly, the single chip sends a stop instruction to the speed reducing motor to enable the electric power-assisted wheel to stop at the storage position of the outer frame.
The external vehicle comprises a cart, a forklift, a sickbed or a dining car; the wired controller comprises a constant-speed cruise key, a forward key, a backward key and an emergency stop key which are used for controlling the hub motor, and further comprises a warning indication element, a state indication element and an electric quantity indication element.
The starting key and the containing key are combined at the wired controller to be set as a switch key; the on-off key, the constant-speed cruise key, the forward key, the backward key and the emergency stop key are distributed in an approximately circular area which can be easily touched by a thumb when a person grasps the wired controller at the wired controller.
The wired controller is hung at an external vehicle by an elastic clamping hook; the inlet of the elastic hook is provided with a leading-in structure, and the area behind the narrowest point of the leading-in structure is widened to form a hanging connection area; the suspension connecting area is an elastic hook formed by connecting a bevel edge circular arc edge with a side branch arm; the transition part of each edge of the elastic clamping hook is in a smooth transition shape.
The invention can provide electric power for a multi-wheel manpower vehicle, and the electric power-assisted wheels can be automatically stored when not used, thereby not influencing the trafficability of the chassis of the manpower vehicle.
When the electric power-assisted wheel is used, the supporting force of the electric power-assisted wheel on a vehicle can be automatically adjusted according to the threshold value of the motor controller in the unfolding process, so that the unfolding state of the electric power-assisted wheel can be matched with other supporting wheels of a human-powered vehicle, and the power-assisted efficiency of the electric power-assisted wheel is improved.
Drawings
The invention is described in further detail below with reference to the following figures and detailed description:
FIG. 1 is a schematic view of an electric assist wheel of the present invention in a deployed condition at the bottom of an external vehicle;
FIG. 2 is a schematic view of an electric assist wheel, a damper mechanism, and a lift mechanism;
FIG. 3 is a schematic view of a swivel mount and coupling chassis;
FIG. 4 is a cut-away schematic view of the lift mechanism;
FIG. 5 is a schematic view of the elevator mechanism in another orientation;
FIG. 6 is a schematic view of the connection of the swivel mount to the coupling base;
FIG. 7 is a schematic view of a key distribution of a wired manipulator (in a handheld state of the wired manipulator);
FIG. 8 is a schematic view of a flexible hook of the wire manipulator;
FIG. 9 is a schematic of the present invention;
in the figure: 1-a hub motor; 2-a damping mechanism; 3-a lifting mechanism; 4-an outer frame assembly; 5-a coupling shaft; 6-damping limit grooves; 7-a connecting rod; 8-a carriage assembly; 9-original point limit travel switch; 10-a controller;
11-a coupling chassis; 12-a rotating frame; 13-a shock absorbing torsion spring; 14-a shaft sleeve; 15-a feed screw nut mechanism; 16-a limit pin; 17-elastic hooks;
21-motor fixing plate; 22-a reduction motor;
51-warning indication elements; 52-status indication elements; 53-on-off key; 54-constant speed cruise key; 55-forward key; 56-Back Key; 57-scram key; 58-a charge indicator element; 59-human hand;
100-electric power assisted wheel; 200-wired manipulator.
Detailed Description
As shown in the figure, the control method of the electric power-assisted wheel capable of being automatically folded and unfolded comprises the following steps that the electric power-assisted wheel is connected with the bottom of an external vehicle through an elastic damping mechanism 2 and a lifting mechanism 3; the electric power-assisted wheels can be moved to the ground by the lifting mechanism so as to provide additional moving power for the external vehicle; the lifting mechanism is driven by the motor, when the electric power-assisted wheel descends to the ground, the electric power-assisted wheel adjusts the supporting force for the vehicle by the descending stroke of the electric power-assisted wheel, the increase of the supporting force increases the motor resistance of the motor, when the current of the speed reducing motor rises to a threshold value due to the increase of the motor resistance, the controller of the motor judges that the supporting force of the electric power-assisted wheel meets the requirements of an external vehicle, the motor stops, and the lifting mechanism stops moving the electric power-assisted wheel.
The electric power-assisted wheel 100 is driven by the hub motor 1 to provide driving assistance for an external vehicle; the electric power-assisted wheel is connected with the sliding frame component of the lifting mechanism through the damping mechanism; the lifting mechanism is fixed at the bottom of an external vehicle, a motor of the lifting mechanism drives the sliding frame assembly to move through the vertical screw rod nut mechanism 15, the electric power-assisted wheel is driven to lift, the supporting force of the electric power-assisted wheel to the external vehicle is adjusted, and when the supporting force of the electric power-assisted wheel is increased to enable the current of the speed reducing motor to reach a threshold value, the controller of the lifting mechanism enables the speed reducing motor to stop.
The motor of the lifting mechanism is a speed reducing motor 22, when the supporting force of the electric boosting wheel is increased to a threshold value and the speed reducing motor is stopped, the screw rod nut mechanism is in a self-locking state to lock the position of the sliding frame assembly;
the lifting mechanism is fixed at the outer frame assembly 4 at the bottom of the external vehicle; the speed reducing motor is connected with the outer frame assembly through a motor fixing plate 21; the motor assisting wheel is fixed at the tail end of a connecting underframe 11 of the damping mechanism; the connecting underframe is hinged with a rotating frame 12 of the outer frame component through a connecting shaft 5 with a shaft sleeve 14 at the starting end, so that the connecting underframe can rotate between two side walls of the rotating frame; a damping torsion spring 13 penetrating through the shaft sleeve is arranged in the rotating frame; one arm of the damping torsion spring is fixed at the rotating frame, and the other arm is arranged on the bottom plate of the connecting underframe in an overhead manner;
the lead screw of the lead screw nut mechanism is connected with a main shaft of the speed reducing motor, a sliding nut of the lead screw nut mechanism is connected with the sliding frame assembly to drive the sliding frame assembly to vertically move, the sliding frame assembly 8 is connected with the rotating frame through the connecting rod 7, and the rotating frame is pushed to rotate when the sliding frame assembly moves up and down.
Arc-shaped damping limiting grooves 6 are formed in the positions of two side plates of the rotating frame; the arc-shaped circle center of the damping limiting groove is positioned at the axle center of the shaft sleeve; limiting pins 16 are fixed at two sides of the connecting underframe; one end of the limiting pin penetrates through the damping limiting groove of the rotating frame; the rotating frame pushes the connecting underframe to vertically swing when rotating;
an original point limit travel switch is arranged at the upper part of the outer frame component, and when the top surface of the rotating frame is screwed up to trigger the original point limit travel switch 9, a controller 10 of the lifting mechanism stops the speed reduction motor.
The speed reducing motor is powered by a battery, and a single chip microcomputer in the controller is connected with the wired controller 200 through a cable to receive a control instruction; the wired controller comprises a starting key for sending a starting instruction to the single chip microcomputer and also comprises a storage key for sending a storage instruction to the single chip microcomputer.
When the single chip microcomputer receives a starting instruction of the wired controller and judges that the starting instruction is effective, a forward rotation instruction is sent to the speed reducing motor, the speed reducing motor drives the sliding frame assembly to move downwards through the screw rod nut mechanism, the rotating frame and the connecting underframe are pushed to swing downwards so that the electric power-assisted wheel touches the ground and forms supporting force for an external vehicle through thrust, when the supporting force rises, the load and current of the speed reducing motor also rise, and when the current rises to a threshold value, the single chip microcomputer sends a stopping instruction to the speed reducing motor so that the supporting force of the electric power-assisted wheel stops rising.
When the single chip receives a storage instruction of the wired controller and judges that the wired controller is effective, a reverse instruction is sent to the speed reducing motor, the speed reducing motor drives the sliding frame assembly to move upwards through the screw rod nut mechanism, the rotating frame and the connecting bottom frame are pulled to swing upwards to enable the electric power-assisted wheel to move upwards, and when the top surface of the rotating frame swings upwards to an original point limit travel switch at the position of the triggering outer frame assembly, the single chip sends a stop instruction to the speed reducing motor to enable the electric power-assisted wheel to stop at the storage position of the outer frame.
The external vehicle comprises a cart, a forklift, a sickbed or a dining car; the wired controller comprises a constant-speed cruise key, a forward key, a backward key and an emergency stop key which are used for controlling the hub motor, and further comprises a warning indication element 51, a state indication element 52 and an electric quantity indication element 58.
The starting key and the containing key are combined at the wired controller to be set as a switch key; the on-off key 53, the constant speed cruise key 54, the forward key 55, the backward key 56, and the emergency stop key 57 are distributed at the wired manipulator in an approximately circular area that a thumb can easily reach when a human hand 59 grasps the wired manipulator.
The wired controller is hung at an external vehicle by an elastic hook 17; the inlet of the elastic hook is provided with a leading-in structure, and the area behind the narrowest point of the leading-in structure is widened to form a hanging connection area; the suspension connecting area is an elastic hook formed by connecting a bevel edge circular arc edge with a side branch arm; the transition part of each edge of the elastic clamping hook is in a smooth transition shape.
Example (b):
when the electric power-assisted wheel is used for different external vehicles, the supporting force required to be provided for the external vehicles is different, and the current value of the speed reduction motor corresponding to the supporting force is stored in the controller.
When an external vehicle runs on a flat ground and needs power assistance, a switch key is pressed down to enable the electric power-assisted wheel to fall to the ground, the lifting mechanism drives the sliding frame assembly to move, the descending stroke of the electric power-assisted wheel is continuously adjusted to increase the supporting force of the electric power-assisted wheel, the supporting force is converted into the load of the speed reducing motor and the current of the motor is increased, when the current of the motor reaches a threshold value, the speed reducing motor is stopped by the controller, the supporting force of the electric power-assisted wheel is not increased any more at this time, the screw rod nut mechanism is in a self-locking state to lock the position of the sliding frame assembly, and the hub motor of the electric power-assisted wheel drives the electric power-assisted wheel to rotate to provide additional running power for the external vehicle.
When an external vehicle runs on a rugged ground and the passing property of the chassis needs to be enhanced, the switch key is pressed down again, the electric power-assisted wheel is pulled up by the speed reducing motor, when the electric power-assisted wheel rises to the top surface of the rotating frame to trigger the original point limit travel switch, the speed reducing motor stops, and the electric power-assisted wheel is in a storage state.
Claims (10)
1. A control method of an electric power-assisted wheel capable of being automatically folded and unfolded is characterized in that: in the control method, the electric power-assisted wheel is connected with the bottom of an external vehicle through an elastic damping mechanism and a lifting mechanism; the electric power-assisted wheels can be moved to the ground by the lifting mechanism so as to provide additional moving power for the external vehicle; the lifting mechanism is driven by the motor, when the electric power-assisted wheel descends to the ground, the electric power-assisted wheel adjusts the supporting force for the vehicle by the descending stroke of the electric power-assisted wheel, the increase of the supporting force increases the motor resistance of the motor, when the motor increases the current of the motor to a threshold value due to the increase of the motor resistance, the controller of the motor judges that the supporting force of the electric power-assisted wheel meets the requirements of an external vehicle, the motor stops, and the lifting mechanism stops moving the electric power-assisted wheel.
2. The utility model provides an electric power assisted wheel that can receive and release automatically which characterized in that: the electric power-assisted wheel is driven by a hub motor provided by the electric power-assisted wheel to provide driving assistance for an external vehicle; the electric power-assisted wheel is connected with the sliding frame component of the lifting mechanism through the damping mechanism; the lifting mechanism is fixed at the bottom of an external vehicle, a motor of the lifting mechanism drives the sliding frame assembly to move through the vertical screw rod nut mechanism, the electric power-assisted wheel is driven to lift, the supporting force of the electric power-assisted wheel to the external vehicle is adjusted, and when the supporting force of the electric power-assisted wheel is increased to enable the current of the motor to reach a threshold value, the controller of the lifting mechanism enables the motor to be stopped.
3. An automatically retractable electric power-assisted wheel according to claim 2, characterized in that: the motor of the lifting mechanism is a speed reducing motor, and when the supporting force of the electric boosting wheel is increased to a threshold value and the speed reducing motor is stopped, the screw rod nut mechanism is in a self-locking state to lock the position of the sliding frame assembly;
the lifting mechanism is fixed at the outer frame assembly at the bottom of the external vehicle; the speed reducing motor is connected with the outer frame assembly through a motor fixing plate; the motor assisting wheel is fixed at the tail end of a connecting underframe of the damping mechanism; the connecting underframe is hinged with the rotating frame of the outer frame assembly through a connecting shaft with a shaft sleeve at the starting end, so that the connecting underframe can rotate between two side walls of the rotating frame; a damping torsion spring penetrating through the shaft sleeve is arranged in the rotating frame; one arm of the damping torsion spring is fixed at the rotating frame, and the other arm is arranged on the bottom plate of the connecting underframe in an overhead manner;
the lead screw of the lead screw nut mechanism is connected with a main shaft of the speed reducing motor, a sliding nut of the lead screw nut mechanism is connected with the sliding frame assembly to drive the sliding frame assembly to vertically move, the sliding frame assembly is connected with the rotating frame through a connecting rod, and the rotating frame is pushed to rotate when the sliding frame assembly moves up and down.
4. An automatically retractable electric power-assisted wheel according to claim 3, characterized in that: arc-shaped damping limiting grooves are formed in the positions of two side plates of the rotating frame; the arc-shaped circle center of the damping limiting groove is positioned at the axle center of the shaft sleeve; limiting pins are fixed at two sides of the connecting underframe; one end of the limiting pin penetrates through the damping limiting groove of the rotating frame; the rotating frame pushes the connecting underframe to vertically swing when rotating;
the upper portion of outer gimbal assembly is equipped with initial point limit travel switch, when the top surface of swivel mount was screwed up to triggering initial point limit travel switch, elevating system's controller made gear motor shut down.
5. An automatically retractable electric power-assisted wheel according to claim 3, characterized in that: the speed reducing motor is powered by a battery, and a singlechip in the controller is connected with the wired controller through a cable to receive a control instruction; the wired controller comprises a starting key for sending a starting instruction to the single chip microcomputer and also comprises a storage key for sending a storage instruction to the single chip microcomputer.
6. An automatically retractable electric power-assisted wheel according to claim 5, characterized in that: when the single chip microcomputer receives a starting instruction of the wired controller and judges that the starting instruction is effective, a forward rotation instruction is sent to the speed reducing motor, the speed reducing motor drives the sliding frame assembly to move downwards through the screw rod nut mechanism, the rotating frame and the connecting underframe are pushed to swing downwards so that the electric power-assisted wheel touches the ground and forms supporting force for an external vehicle through thrust, when the supporting force rises, the load and current of the speed reducing motor also rise, and when the current rises to a threshold value, the single chip microcomputer sends a stopping instruction to the speed reducing motor so that the supporting force of the electric power-assisted wheel stops rising.
7. An automatically retractable electric power-assisted wheel according to claim 5, characterized in that: when the single chip receives a storage instruction of the wired controller and judges that the wired controller is effective, a reverse instruction is sent to the speed reducing motor, the speed reducing motor drives the sliding frame assembly to move upwards through the screw rod nut mechanism, the rotating frame and the connecting bottom frame are pulled to swing upwards to enable the electric power-assisted wheel to move upwards, and when the top surface of the rotating frame swings upwards to an original point limit travel switch at the position of the triggering outer frame assembly, the single chip sends a stop instruction to the speed reducing motor to enable the electric power-assisted wheel to stop at the storage position of the outer frame.
8. An automatically retractable electric power-assisted wheel according to claim 5, characterized in that: the external vehicle comprises a cart, a forklift, a sickbed or a dining car; the wired controller comprises a constant-speed cruise key, a forward key, a backward key and an emergency stop key which are used for controlling the hub motor, and further comprises a warning indication element, a state indication element and an electric quantity indication element.
9. An automatically retractable electric power-assisted wheel according to claim 5, characterized in that: the starting key and the containing key are combined at the wired controller to be set as a switch key; the on-off key, the constant-speed cruise key, the forward key, the backward key and the emergency stop key are distributed in an approximately circular area which can be easily touched by a thumb when a person grasps the wired controller at the wired controller.
10. An automatically retractable electric power-assisted wheel according to claim 9, characterized in that: the wired controller is hung at an external vehicle by an elastic clamping hook; the inlet of the elastic hook is provided with a leading-in structure, and the area behind the narrowest point of the leading-in structure is widened to form a hanging connection area; the suspension connecting area is an elastic hook formed by connecting a bevel edge circular arc edge with a side branch arm; the transition part of each edge of the elastic clamping hook is in a smooth transition shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110680369.1A CN113442649A (en) | 2021-06-18 | 2021-06-18 | Electric power-assisted wheel capable of being automatically retracted and released and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110680369.1A CN113442649A (en) | 2021-06-18 | 2021-06-18 | Electric power-assisted wheel capable of being automatically retracted and released and control method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN113442649A true CN113442649A (en) | 2021-09-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110680369.1A Pending CN113442649A (en) | 2021-06-18 | 2021-06-18 | Electric power-assisted wheel capable of being automatically retracted and released and control method thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107773358A (en) * | 2017-12-07 | 2018-03-09 | 兰邦翔 | A kind of wheelchair assistant force drive device |
| CN110101511A (en) * | 2019-06-17 | 2019-08-09 | 青岛安捷医疗科技有限公司 | The intelligent supplementary controlled system of personnel's transfer car(buggy) |
| CN110341839A (en) * | 2019-08-22 | 2019-10-18 | 李增志 | The safe auxiliary wheel device of sulky vehicle automatic lifting with anti-theft function |
| KR102090806B1 (en) * | 2018-10-22 | 2020-03-18 | 김태윤 | Buffer Caster |
| CN215398015U (en) * | 2021-06-18 | 2022-01-04 | 安捷轮(福州)动力科技有限公司 | Electric power-assisted wheel capable of being automatically retracted and extended |
-
2021
- 2021-06-18 CN CN202110680369.1A patent/CN113442649A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107773358A (en) * | 2017-12-07 | 2018-03-09 | 兰邦翔 | A kind of wheelchair assistant force drive device |
| KR102090806B1 (en) * | 2018-10-22 | 2020-03-18 | 김태윤 | Buffer Caster |
| CN110101511A (en) * | 2019-06-17 | 2019-08-09 | 青岛安捷医疗科技有限公司 | The intelligent supplementary controlled system of personnel's transfer car(buggy) |
| CN110341839A (en) * | 2019-08-22 | 2019-10-18 | 李增志 | The safe auxiliary wheel device of sulky vehicle automatic lifting with anti-theft function |
| CN215398015U (en) * | 2021-06-18 | 2022-01-04 | 安捷轮(福州)动力科技有限公司 | Electric power-assisted wheel capable of being automatically retracted and extended |
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Application publication date: 20210928 |