CN218287856U

CN218287856U - Intelligent power-assisted trolley

Info

Publication number: CN218287856U
Application number: CN202222993646.7U
Authority: CN
Inventors: 左睿; 成明轩; 周伟
Original assignee: Shenzhen Xianfa Intelligent Co ltd
Current assignee: Shenzhen Xianfa Intelligent Co ltd
Priority date: 2022-11-10
Filing date: 2022-11-10
Publication date: 2023-01-13
Anticipated expiration: 2032-11-10

Abstract

The utility model discloses an intelligence helping hand handcart, including the shallow main part, the upper end fixedly connected with connecting rod of shallow main part, the upper end of connecting rod is rotated and is connected with control module, control module includes the control box, the installation cavity has been seted up to the inside of control box, the inside fixedly connected with control panel of installation cavity, the both sides of control box are all rotated and are connected with the throttle pivot, one side fixedly connected with throttle sensor of throttle pivot, the inside symmetry of installation cavity is provided with throttle reset spring board, the bottom fixedly connected with direction reset spring of installation cavity, direction reset spring's upper end fixedly connected with direction pivot, the upper end fixedly connected with direction sensor of direction pivot. Through the structure, the power assisting speed and direction of the flat car are intelligently adjusted through the force condition of human hands, and the complexity and complexity of operation are greatly reduced.

Description

Intelligent power-assisted trolley

Technical Field

The utility model relates to a helping hand handcart technical field, in particular to intelligence helping hand handcart.

Background

The existing flat plate trolley is mainly divided into two types, wherein one type is unpowered, the trolley completely depends on manpower to push forward and steer, the other type is electric, the trolley adopts a knob mode similar to that of a motorcycle accelerator to control forward, a special switching key is needed for backward movement, and the steering trolley needs to be dragged by manpower, and specifically comprises the following steps: after the starting switch is turned on, the power supply is switched on, the forward and reverse gear switch is toggled to select forward or backward, the accelerating rotating handle is operated to advance, if the vehicle body needs to be dragged to rotate, and the brake is operated to stop the vehicle. The operation steps are more, the operation is inconvenient, especially the moving forward and the backing backward can generate danger if the misoperation is carried out, the moving forward and the backing backward are required to be frequently switched to be more complicated when the vehicle enters and exits a narrow space, and the vehicle body is required to be dragged to turn by larger force during the turning.

At present, unpowered flatbed completely relies on manpower, and operating personnel working strength is great, and is more painstaking, and ordinary electronic flatbed operation is complicated, and the maloperation advances to produce danger when retreating easily, advances and retreats and switches loaded down with trivial details, and speed control is not accurate, consequently, provides an intelligence helping hand handcart in order to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an intelligence helping hand handcart, through flatbed helping hand speed and direction through the staff condition intelligent regulation that exerts power, greatly alleviateed loaded down with trivial details and the complexity of operation.

In order to realize above-mentioned purpose, provide intelligent helping hand handcart, include: the lower end of the trolley main body is fixedly connected with a left side motor and a right side motor, the output end of the left side motor is fixedly connected with a left wheel hub, the output end of the right side motor is fixedly connected with a right wheel hub, the upper end of the trolley main body is fixedly connected with a connecting rod, and the upper end of the connecting rod is rotatably connected with a control module;

the control module comprises a control box, an installation cavity is formed in the control box, an internal fixedly connected with control panel of the installation cavity is connected with an accelerator rotating shaft in a rotating mode, one side of the accelerator rotating shaft is fixedly connected with an accelerator sensor, an accelerator reset spring plate is arranged in the installation cavity in a symmetrical mode, a direction reset spring is fixedly connected to the bottom of the installation cavity, the upper end of the direction reset spring is fixedly connected with a direction rotating shaft, and the upper end of the direction rotating shaft is fixedly connected with a direction sensor.

According to the intelligent power-assisted trolley, the lower end of the trolley main body is fixedly connected with universal wheels.

According to the intelligent power-assisted trolley, an emergency stop switch and a display are arranged at the upper end of the control box.

According to the intelligent power-assisted trolley, a power switch is arranged on one side of the control box.

According to the intelligent power-assisted trolley, a handle is fixedly connected to the outer side of the accelerator rotating shaft.

An object of the utility model is to provide an intelligence helping hand handcart, main innovation point:

compared with the prior art, the intelligent power-assisted trolley adopts an intelligent power-assisted control mode, after a power supply is started, the flat car can move forwards only by pushing the handle forwards, and the larger the pushing force is, the larger the output of the driving wheel of the flat car is; the flat car can be stopped when the handle is loosened; the handle is dragged to the left, and the flat car turns left; the flat car is dragged to the right, and the flat car can turn to the right along with the dragging. In conclusion, the assisting speed and the assisting direction of the flat car are intelligently adjusted through the force condition of the hands, and the complexity of the operation are greatly reduced.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The present invention will be further described with reference to the accompanying drawings and examples;

fig. 1 is a perspective view of an intelligent power-assisted trolley provided by the present invention;

fig. 2 is a schematic structural diagram of a control module of the intelligent power-assisted cart according to the present invention;

fig. 3 is a schematic diagram of a control system of the intelligent power-assisted trolley provided by the present invention;

fig. 4 is a schematic view of a throttle-controlled cart stop of the intelligent power-assisted cart according to the present invention;

fig. 5 is a schematic view of the accelerator-controlled forward movement of the intelligent power-assisted cart according to the present invention;

fig. 6 is a schematic diagram of the backward movement of the throttle-controlled cart of the intelligent power-assisted cart according to the present invention;

fig. 7 is a schematic straight view of the intelligent power-assisted cart according to the present invention;

fig. 8 is a left-turn schematic view of the intelligent power-assisted cart according to the present invention;

fig. 9 is the utility model provides an intelligence helping hand handcart's the schematic diagram that turns to the right.

Illustration of the drawings:

1. a cart body; 2. a universal wheel; 3. a left hub; 4. a right hub; 5. a connecting rod; 6. a control module; 7. a scram switch; 8. a display; 9. a grip; 10. a power switch; 601. a control box; 602. a control panel; 603. a throttle shaft; 604. an accelerator return spring plate; 605. an accelerator sensor; 606. a mounting cavity; 607. a direction rotating shaft; 608. a direction return spring; 609. and a direction sensor.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

Referring to fig. 1-9, an intelligent power-assisted cart according to an embodiment of the present invention includes a cart main body 1, wherein an IMU module and a battery (not shown) are further mounted on a cart body of the cart main body 1, so that acceleration and posture of the cart body can be measured more accurately, and a motor is conveniently controlled on a ramp and a rugged road, a left side motor and a right side motor are fixedly connected to a lower end of the cart main body 1, an output end of the left side motor is fixedly connected to a left hub 3, an output end of the right side motor is fixedly connected to a right hub 4, a connecting rod 5 is fixedly connected to an upper end of the cart main body 1, and an upper end of the connecting rod 5 is rotatably connected to a control module 6;

control module 6 includes control box 601, installation cavity 606 has been seted up to control box 601's inside, the inside fixedly connected with control panel 602 of installation cavity 606, control box 601's both sides are all rotated and are connected with throttle pivot 603, one side fixedly connected with throttle sensor 605 of throttle pivot 603, the inside symmetry of installation cavity 606 is provided with throttle reset spring board 604, the bottom fixedly connected with direction reset spring 608 of installation cavity 606, the upper end fixedly connected with direction pivot 607 of direction reset spring 608, the upper end fixedly connected with direction sensor 609 of direction pivot 607, all there is the sensor to be used for measuring throttle and direction atress condition in every pivot, every pivot reset spring in addition simultaneously, a self-reset when being used for leaving at the hand.

The lower extreme fixedly connected with universal wheel 2 of shallow main part 1, the upper end of control box 601 is provided with scram switch 7, display 8 shows the load factor of electric quantity and motor, the electric quantity shows that can show the residual capacity of present battery, the power output of motor load factor can show present motor, if under the too big condition of shallow load, the motor is full load work already, the display shows that motor load factor reaches 100%, operating personnel just clearly knows that present motor helping hand has reached the biggest, if need faster speed or bigger load just need manpower output compensate, one side of control box 601 is provided with switch 10, the outside fixedly connected with handle 9 of throttle pivot 603.

The working principle is as follows: the throttle rotating shaft 603 and the direction rotating shaft 607 are both provided with a return spring, the rotating shafts are returned when hands are released, an angle sensor or a strain gauge is arranged on the rotating shafts, the thrust applied to the cart by hands can be calculated by measuring the rotating angle of the rotating shafts, the thrust and the direction signals of the two rotating shafts are converted into speed signals of two motors after being processed by an MCU (microprogrammed control unit) to control the left hub 3 and the right hub 4, the power pushed by the hands is adapted to the power pushed by the hands by the output of the motors, the steering is realized by the wheel speed difference of the two motors, the thrust of the hands can be adapted to realize the assistance, the forward output of the motors is increased when the hands are pushed much forward, the motors move backward when the hands are pushed, the intelligent control of the speed and the thrust of the cart is conveniently realized, and the direction can be easily controlled. The left-right steering is also the same way, the left-hand pulling handle vehicle body performs left-hand steering through the wheel speed difference of the two motors, and the right-hand pulling handle vehicle body also performs right-hand steering.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. Intelligence helping hand handcart, its characterized in that includes: the trolley comprises a trolley main body (1), wherein the lower end of the trolley main body (1) is fixedly connected with a left side motor and a right side motor, the output end of the left side motor is fixedly connected with a left wheel hub (3), the output end of the right side motor is fixedly connected with a right wheel hub (4), the upper end of the trolley main body (1) is fixedly connected with a connecting rod (5), and the upper end of the connecting rod (5) is rotatably connected with a control module (6);

control module (6) are including control box (601), installation cavity (606) have been seted up to the inside of control box (601), the inside fixedly connected with control panel (602) of installation cavity (606), the both sides of control box (601) are all swivelling joint with throttle pivot (603), one side fixedly connected with throttle sensor (605) of throttle pivot (603), the inside symmetry of installation cavity (606) is provided with throttle reset spring board (604), the bottom fixedly connected with direction reset spring (608) of installation cavity (606), the upper end fixedly connected with direction pivot (607) of direction reset spring (608), the upper end fixedly connected with direction sensor (609) of direction pivot (607).

2. An intelligent, power-assisted trolley according to claim 1, characterised in that the lower end of the trolley body (1) is fixedly connected with universal wheels (2).

3. The intelligent power-assisted trolley according to claim 1, characterized in that the upper end of the control box (601) is provided with an emergency stop switch (7) and a display (8).

4. The intelligent power assisted trolley according to claim 1, characterized in that a power switch (10) is arranged at one side of the control box (601).

5. The intelligent power-assisted trolley according to claim 1, wherein a handle (9) is fixedly connected to the outer side of the throttle shaft (603).