CN201914350U

CN201914350U - Intelligent stair and flat ground dual purpose freight trolley

Info

Publication number: CN201914350U
Application number: CN201020641654XU
Authority: CN
Inventors: 石爱平; 崔鹏; 刘宝民; 马宏杰
Original assignee: Binzhou University
Current assignee: Binzhou University
Priority date: 2010-12-06
Filing date: 2010-12-06
Publication date: 2011-08-03
Anticipated expiration: 2020-12-06

Abstract

The utility model discloses an intelligent stair and flat ground dual purpose freight trolley, which comprises a trolley body, a plurality of wheel carriers, a plurality of wheels, a carrying plate, a plurality of motors, a brake device and a control system which can receive sent signals to control the trolley to move, wherein the number of the wheels is equal to the number of the wheel carriers, and more than three equiangularly distributed universal wheels are arranged; the wheel carriers are connected with the trolley body through a central shaft, the central shaft is provided with a sun wheel, shafts of the wheels are provided with coaxial planet wheels, the sun wheel is meshed with the planet wheel through an idle wheel, and the wheel carriers and the sun wheel are driven by the motors through a transmission device. The utility model has the advantages that the motors are used for driving, the sun wheel, the planet wheels and the like are driven by the transmission device to rotate, and the forward and reverse rotation control of the motors realizes the purposes of going upstairs and downstairs; and the universal wheels are matched with motor speed difference to realize the steering of the trolley, and when two universal wheels touch down simultaneously, another universal wheel idles so as to realize flat ground freight.

Description

The dual-purpose cargo transport dolly in intelligent stair level land

Technical field

The utility model relates to the dual-purpose cargo transport dolly in a kind of intelligent stair level land, can realize going up automatically downstairs, and the level land motion belongs to the transport truck technical field.

Background technology

There is a very big deficiency in present traditional carrier equipment owing to adopted traditional wheeled construction, be merely able on the level land, walk, in the face of the landform that platform rank ﹑ stair etc. are relatively more complicated powerless.Building is more and more now, and stair are more and more common.Yet residential building and some public place elevators are not also accomplished comprehensively to popularize, and this makes troubles for the transportation of goods in corridor, especially relatively the heavy weight goods.What also do not have a both economical material benefit in the market climbs building cargo transport dolly, it is reported, building device price is auxiliaryly climbed up to 60,000 yuan by unique one of Wuhan City, and the IBOT3000 that has identity function abroad climbs the building device especially up to 30,000 dollars.Along with the raising of living standards of the people, the widespread usage of sci-tech product, climbing building cargo transport device can offer convenience to people, and cheap cost can be accepted by people and popularize, and has development prospect preferably.

Summary of the invention

The technical problems to be solved in the utility model provides the dual-purpose cargo transport dolly in a kind of intelligent stair level land, can not only realize going up cargo transport downstairs automatically, and can realize level land cargo transport and pivot stud.

In order to solve the problems of the technologies described above, the utility model by the following technical solutions:

The dual-purpose cargo transport dolly in a kind of intelligent stair level land, the control system that it comprises car body, a plurality of wheel carrier, a plurality of wheel, support board, a plurality of motor, brake gear and can accept to send the signal control moving of car; Described wheel and wheel carrier number are quite and have a cardan wheel that three above isogonisms distribute; Described wheel carrier links to each other with car body by center shaft, and center shaft is provided with sun wheel, and the axle of each wheel is provided with coaxial satellite gear, and sun wheel meshes by idle pulley and satellite gear, wheel carrier and sun wheel all by driving device by motor-driven.

Among the utility model embodiment, control system comprises power supply, controller, be arranged at the speed sensor on the wheel, be arranged on the motor encoder of motor, be arranged at the obliquity sensor on the car body, the sound and light alarm suggestion device, read out instrument, brake controller and the wireless receiving sending module that is used to send and receive voice or other signals, described obliquity sensor, speed sensor, speed sensor and motor encoder are electrically connected on controller and are used for transmitting signal to controller, and sound and light alarm suggestion device and read out instrument are electrically connected on controller and are used to receive controller signals.

Among the utility model embodiment, described wheel carrier is a triangular structure, described cardan wheel be three along the triangular apex setting.

Among the utility model embodiment, it also comprises the ratchet stopping mechanism that is provided with on the wheel.

Among the utility model embodiment, described driving device is the sprocket chain bar assembly.

The utility model beneficial effect:

Adopt motor-driven, and drive rotations such as sun wheel, satellite gear through driving device, motor positive and inverse control realizes going up purpose downstairs; Cardan wheel cooperates the motor speed difference to realize turning to of dolly; When two wheels landed in the cardan wheel, another cardan wheel idle running can realize level land cargo transport.

Description of drawings

Fig. 1 is the schematic top plan view of the selected embodiment of the utility model.

Fig. 2 looks scheme drawing for the left side of the selected embodiment of the utility model.

Fig. 3 is the scheme drawing that sun wheel and satellite gear combine with wheel carrier.

Fig. 4 is control principle figure of the present utility model.

Among the figure 1, wheel, 2, motor, 3, the sprocket chain bar assembly, 4, center shaft, 5, support board, 6, brake gear, 7, obliquity sensor, 8, cardan wheel, 9, sun wheel, 10, wheel carrier, 11, idle pulley, 12, satellite gear, 13, the ratchet stopping mechanism, 14, speed sensor.

The specific embodiment

Better understand the utility model for the ease of those skilled in the art, the utility model is described in further details below in conjunction with the drawings and specific embodiments.

With reference to the accompanying drawings 1,2,3, the dual-purpose cargo transport dolly in a kind of intelligent stair level land, the control system that it comprises car body, 4 wheel carriers, 4 wheels 1, support board 5, three motors 2, brake gears 6 and can accept to send the signal control moving of car; Described wheel carrier 10 is for triangular structure and have the cardan wheel 8 that three isogonisms distribute, and described cardan wheel 8 is along the triangular apex setting; Described wheel carrier links to each other with car body by center shaft 4, and center shaft 4 is provided with sun wheel 9, and the axle of each wheel is provided with coaxial satellite gear 12, and sun wheel 9 is by idle pulley 11 and satellite gear 12 engagements, and wheel carrier 10 and sun wheel 9 are all driven by motor 2 by driving device.

With reference to the accompanying drawings 4, control system comprises power supply, controller, be arranged at speed sensor 14 on the wheel, be arranged on motor motor encoder, be arranged at obliquity sensor 7, sound and light alarm suggestion device, read out instrument, the brake controller on the car body and be used to send and receive the wireless receiving sending module of voice or other signals, described obliquity sensor, speed sensor and motor encoder are electrically connected on controller and are used for transmitting signal to controller, and sound and light alarm suggestion device and read out instrument are electrically connected on controller and are used to receive controller signals.

The utility model also comprises the ratchet stopping mechanism 13 that is provided with on the wheel, can prevent that dolly from falling back, and has improved the safety of dolly.

Consider cost and easy to process, described driving device is a sprocket chain bar assembly 3, and those skilled in the art can expect adopting pulley assembly certainly.

The actual course of processing of the utility model is as follows: research by inquiry, concrete theoretical analysis, learn that planetary gear structure can realize motion downstairs, i.e. design mainly is to have utilized planetary gear structure to realize that the building of climbing of dolly moves, through theoretical analysis and data computation, designed car body, processed satellite gear, design and welded control circuit board, tentatively selected the parameter and the storage battery of motor, by experiment repeatedly, motor, storage battery and control circuit have been determined.This dolly can utilize dc brushless motor that power is provided, and motor positive and inverse control satellite gear realizes going up action downstairs, and cardan wheel cooperates the motor speed official post with realizing that dolly freely turns to; The obliquity sensor barrel bolt can be regulated the objective table level; Brake gear 6 can adopt single-phase power-transfer clutch to realize.

Groundwork of the present utility model and preferred embodiment are below only described; those skilled in the art can make a lot of changes and improvements according to it; described cardan wheel can be provided with 4; corresponding line star-wheel 12 can be provided with 4; the wheel carrier shape can be set as difformity as required, and above-mentioned changes and improvements should belong to protection domain of the present utility model.

Claims

1. the dual-purpose cargo transport dolly in intelligent stair level land is characterized in that: the control system that it comprises car body, a plurality of wheel carrier (10), a plurality of wheel (1), support board (5), a plurality of motor (2), brake gear (6) and can accept to send the signal control moving of car; Described wheel and wheel carrier number are quite and have a cardan wheel (8) that three above isogonisms distribute; Described wheel carrier links to each other with car body by center shaft (4), (3) are provided with sun wheel (9) on the center shaft, the axle of each wheel is provided with coaxial satellite gear (12), sun wheel (9) is by idle pulley (11) and satellite gear (12) engagement, and wheel carrier (10) and sun wheel are all driven by motor (2) by driving device.

2. according to the dual-purpose cargo transport dolly in the described intelligent stair of claim 1 level land, it is characterized in that: control system comprises power supply, controller, be arranged at the speed sensor on the wheel, be arranged on the motor encoder of motor, be arranged at the obliquity sensor on the car body, the sound and light alarm suggestion device, read out instrument, brake controller and the wireless receiving sending module that is used to send and receive voice or other signals, described obliquity sensor, speed sensor and motor encoder are electrically connected on controller and are used for transmitting signal to controller, and sound and light alarm suggestion device and read out instrument are electrically connected on controller and are used to receive controller signals.

3. according to the dual-purpose cargo transport dolly of claim 1 or 2 described intelligent stair level lands, it is characterized in that: described wheel carrier (10) is for triangular structure, described cardan wheel (8) be three along the triangular apex setting.

4. according to the dual-purpose cargo transport dolly of claim 1 or 2 described intelligent stair level lands, it is characterized in that: it also comprises the ratchet stopping mechanism (13) that is provided with on the wheel.

5. according to the dual-purpose cargo transport dolly of claim 1 or 2 described intelligent stair level lands, it is characterized in that: described driving device is the sprocket chain bar assembly.