CN2908265Y

CN2908265Y - Intelligent tumbling-proof device of handcart

Info

Publication number: CN2908265Y
Application number: CN 200620096936
Authority: CN
Inventors: 王春勇; 程茜
Original assignee: Wuhan University WHU
Current assignee: Wuhan University WHU
Priority date: 2006-05-30
Filing date: 2006-05-30
Publication date: 2007-06-06
Anticipated expiration: 2016-05-30

Abstract

The utility model provides an intelligent anti-capsized device that is able to prevent the trolley from capsizing on the floor, which is primarily composed of an anti-capsized mechanism, a sensor automatic control circuit and a mounting component that mounts the anti-capsized mechanism on the trolley; wherein, the anti-capsized mechanism at least comprises a supporting rod, a supporting rod spring, a hook-shaped stop block, a trigger, a trigger torsion spring, a motor, a motor base, a cam, a rotating axle and a supporting base, the motor is controlled by the sensor automatic control circuit, the entire device is fixed on the side at the bottom of the trolley through the mounting component joint sheet. The utility model is able to realize automatic support to the capsizing trolley to prevent the capsizing so as to reduce the accident.

Description

Hand barrow intelligence Overthrow preventing device

Technical field

The utility model relates to a kind of to just realizing the intelligent Overthrow preventing device of support to prevent that it from toppling automatically at the bevelled hand barrow.

Background technology

In the modern life, the hand barrow role is extremely important, and it is that client's transportation means of doing shopping is when supermarket shopping in the supermarket, the head of a family likes child is placed in the hand barrow, when they are absorbed in picking commodities and are negligent of the looking after of child, because child's active meeting makes the hand barrow center of gravity seriously unstable, cover to an inclination, it is injured that child is fallen down to the ground.According to a survey of US Consumer Product Safety Commission, on average there is the accident that surpasses 20,000 supermarket trolleys every year in the U.S., and the child age of meeting accident is on average below five years old.Wherein there are a lot of accidents to relate to toppling of hand barrow.When other used the transported in hand truck fashion goods, toppling of hand barrow can be brought the damage of goods, causes unnecessary economic loss.For the above problem that causes by hand barrow, really, usually be that the carelessness owing to the people causes, but can not deny the deficiency that hand barrow exists on 26S Proteasome Structure and Function, this is mainly reflected on " fault-tolerant ability ", does not promptly have the design of good automation and hommization.

Summary of the invention

In order to overcome the problem that hand barrow topples, the utility model provides a kind of intelligent Overthrow preventing device that can prevent that hand barrow from toppling and falling down to the ground, and this device can be to just realizing supporting to prevent that it from toppling, the generation of minimizing accident automatically at the bevelled hand barrow.

The technical scheme that the utility model provides is: a kind of hand barrow intelligence Overthrow preventing device, comprise that the anti-mechanism's sensor automatic control circuit and will preventing of the toppling mechanism that topples is installed on installing component on the hand barrow, the anti-mechanism that topples comprises strut bar at least, the strut bar spring, hook-shaped stop block, trigger, the trigger torsion spring, motor, motor cabinet, cam, S. A. and supporting seat, motor is fixed on the motor cabinet, control by the sensor automatic control circuit, cam is connected on the output shaft of motor, cam and trigger are used for the end in contact that external force triggers, trigger is fixed on the supporting seat by S. A., the trigger torsion spring is installed between trigger and the supporting seat, whole supporting seat is fixed on the bottom sides of hand barrow by installing component, hook-shaped stop block is by being bolted on the strut bar, strut bar passes through the circle hole sleeve of upper end on the hand barrow bar, the strut bar spring is installed on the strut bar inboard, be the normal pressure spring, when not triggering, hook-shaped stop block and trigger are buckled together.

The sensor automatic control circuit of control motor comprises power supply rang sensor, relay and switch, and power supply is the working power of rang sensor and motor, and relay is accepted the switch of the signal control motor power supply of rang sensor transmission.

The installing component that wherein Overthrow preventing device is installed on the hand barrow is plate, and two plates connect firmly with motor cabinet and supporting seat respectively.

As shown from the above technical solution, the hand barrow intelligence Overthrow preventing device that the utility model provides is under normal circumstances because the constraint of hook-shaped stop block, there is not angle between strut bar and go-cart, can not influence the normal use of go-cart, but when go-cart is tilted, relay is accepted to make the electric power switch closure behind the signal that rang sensor sends, motor rotating band moving cam rotates, cam rotation makes trigger rotate around S. A., the part that this moment, trigger fastened hook-shaped stop block moves downward, the constraint of hook-shaped stop block is disengaged, and strut bar just can outwards move under the effect of spring and withstand ground, reaches the purpose that stops go-cart to be toppled.

Description of drawings

Fig. 1 is the schematic perspective view of the anti-mechanism that topples.

Fig. 2 is the back view of Fig. 1.

Fig. 3 is the structural representation of plate.

Fig. 4 is the birds-eye view of Fig. 3.

Fig. 5 is a sensor automatic control circuit schematic diagram.

The specific embodiment

Hand barrow that the utility model provides intelligence Overthrow preventing device comprises the anti-mechanism's sensor automatic control circuit and Overthrow preventing device is installed on installing component on the hand barrow of toppling.

Shown in Figure 2 by Fig. 1, the anti-mechanism that topples comprises strut bar 1, hook volt stop block 2, cam 3, supporting seat 5, plate machine 6, S. A. 7, strut bar spring 8, trigger torsion spring 9, motor cabinet 10 and motor 12.Motor 12 is fixed on the motor cabinet 10 by countersunk nut, cam 3 directly is connected in an end of motor output shaft, cam 3 contacts with the lower end (promptly being used for the end that external force triggers) of trigger 6, trigger 6 is fixed on the supporting seat 5 by S. A. 7, trigger torsion spring 9 is installed between trigger 6 and the supporting seat 5, strut bar 1 by circle hole sleeve on the hand barrow round bar, between hand barrow and strut bar 1, be welded with a strut bar spring 8, strut bar spring 8 is installed on strut bar 1 inboard, be the normal pressure spring, hook-shaped stop block 2 is by being bolted on the strut bar 1.

The anti-motion of mechanism process of toppling is as follows: after the energising, motor rotating band moving cam rotates, cam rotation makes trigger rotate around S. A., the part that this moment, trigger fastened hook-shaped stop block moves downward, the constraint of hook-shaped stop block is disengaged, and strut bar outside motion under the effect of spring has been withstood ground and has been realized anti-toppling.

The installing component that in the utility model Overthrow preventing device is installed on the hand barrow is plate, as shown in Figure 3, Figure 4, plate connects with motor cabinet and supporting seat by screw, the through hole that the steel pipe for the go-cart frame passes is left at plate middle part, and the motor cabinet 10 and the supporting seat 5 of the anti-mechanism that topples are fixed on the hand barrow by plate 11 and plate 4 respectively.

Because the intelligent Overthrow preventing device that the utility model provides is to add the anti-function of toppling of an intelligence on the basis that does not influence existing hand barrow all functions, so this Design of device all designs based on existing hand barrow physical construction, only need simple the installation to get final product during use.

As shown in Figure 5, the sensor automatic control circuit of the control motor in the hand barrow intelligence Overthrow preventing device comprises 24V power supply rang sensor Kr1, Kr2 relay J 1, J2 and K switch, K1, K2, power supply is the working power of rang sensor Kr1, Kr2 and motor 12, rang sensor Kr1, Kr2 detect hand barrow whether inclination have taken place, relay J 1, J2 accept the signal control motor power supply K1 of rang sensor Kr1, Kr2 transmission, the switch of K2, the intelligent Overthrow preventing device of hand switch K control whether the startup.

Referring to Fig. 5, when hand barrow run-off the straight (is example to tilt to the left side), the liftoff distance in bottom, hand barrow right side will become big, the rang sensor that then is installed in the right side is sensed the variation of distance and is exported high level, relay kr1 conducting, be connected in the hand barrow left motor energising on the relay and begin rotation, strut bar ejected and supported ground this moment, and hand barrow stops to tilt.When hand barrow recovered steady, rang sensor was no longer exported high level, and relay kr1 closes, and was connected in the motor outage on the relay, as long as slightly firmly inwardly press strut bar, last trigger just can be buckled again.

The working process of whole supermarket trolleys intelligence Overthrow preventing device is as follows: when a certain hand barrow during for a certain reason to lopsidedness, the rang sensor that is installed in the hand barrow opposite side is sensed the variation of hand barrow and ground distance and is sent a high level to relay, the relay conducting, the motor power conducting also begins to rotate, the cam that connects with motor shaft also begins to rotate, the part that impel trigger to fasten hook-shaped stop block this moment moves downward, the constraint of hook-shaped stop block is disengaged, strut bar outwards ejects under the effect of spring and has supported ground, makes hand barrow stop inclination; After hand barrow had recovered steadily, rang sensor was no longer exported high level, and cut-off is connected in the motor outage on the relay, as long as slightly firmly inwardly press strut bar, hook-shaped stop block just can be buckled again.

Claims

1, a kind of hand barrow intelligence Overthrow preventing device, at least comprise the anti-mechanism that topples, sensor automatic control circuit and will the preventing mechanism that topples is installed on installing component on the hand barrow, it is characterized in that: the anti-mechanism that topples comprises strut bar at least, the strut bar spring, hook-shaped stop block, trigger, the trigger torsion spring, motor, motor cabinet, cam, S. A. and supporting seat, motor is fixed on the motor cabinet, control by the sensor automatic control circuit, cam is connected on the output shaft of motor, cam and trigger are used for the end in contact that external force triggers, trigger is fixed on the supporting seat by S. A., the trigger torsion spring is installed between trigger and the supporting seat, whole supporting seat is fixed on the bottom sides of hand barrow by installing component, hook-shaped stop block is by being bolted on the strut bar, strut bar passes through the circle hole sleeve of upper end on the hand barrow bar, the strut bar spring is installed on the strut bar inboard, be the normal pressure spring, when not triggering, hook-shaped stop block and trigger are buckled together.

2, hand barrow intelligence Overthrow preventing device according to claim 1, it is characterized in that: the sensor automatic control circuit comprises power supply, rang sensor, relay and switch, power supply is the working power of rang sensor and motor, and relay is accepted the switch of the signal control motor power supply of rang sensor transmission.

3, hand barrow intelligence Overthrow preventing device according to claim 1, it is characterized in that: the installing component that Overthrow preventing device is installed on the hand barrow is plate, two plates connect firmly with motor cabinet and supporting seat respectively.