CN106080724A - A kind of climbing stairs assist transportation dolly - Google Patents
A kind of climbing stairs assist transportation dolly Download PDFInfo
- Publication number
- CN106080724A CN106080724A CN201610482956.9A CN201610482956A CN106080724A CN 106080724 A CN106080724 A CN 106080724A CN 201610482956 A CN201610482956 A CN 201610482956A CN 106080724 A CN106080724 A CN 106080724A
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- Prior art keywords
- push rod
- stair
- climbing
- athey wheel
- dolly
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B5/00—Accessories or details specially adapted for hand carts
- B62B5/02—Accessories or details specially adapted for hand carts providing for travelling up or down a flight of stairs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B1/00—Hand carts having only one axis carrying one or more transport wheels; Equipment therefor
- B62B1/10—Hand carts having only one axis carrying one or more transport wheels; Equipment therefor in which the load is intended to be transferred totally to the wheels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B5/00—Accessories or details specially adapted for hand carts
- B62B5/0026—Propulsion aids
- B62B5/0033—Electric motors
- B62B5/0036—Arrangements of motors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B2301/00—Wheel arrangements; Steering; Stability; Wheel suspension
- B62B2301/25—Wheel arrangements; Steering; Stability; Wheel suspension characterised by the ground engaging elements, e.g. wheel type
- B62B2301/256—Wheel arrangements; Steering; Stability; Wheel suspension characterised by the ground engaging elements, e.g. wheel type by using endless belts
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Handcart (AREA)
Abstract
The present invention relates to a kind of climbing stairs assist transportation dolly, including carrying kinds of goods load carrier, realized by caterpillar drive the stair-climbing device of stair climbing, the level land of operating angle and stair conversion equipment between regulation load carrier and stair-climbing device, control stair-climbing device pacifically with control device and the power supply of the duty of stair conversion equipment；It is connected with stair conversion equipment by level land between described load carrier and described stair-climbing device；Described level land and stair conversion equipment include that telescopic push rod, push rod cylinder and push rod drive motor；Described push rod drives the work that motor is push rod cylinder to provide power；The duty of described push rod cylinder determines the collapsing length of push rod.The climbing stairs assist transportation dolly of the present invention has level road and runs or the dual-use function of stair climbing, and its movement velocity and direction are adjustable, and simple structure, easy to operate, significantly alleviates the labor intensity of operator, improves work efficiency and safety.
Description
Technical field
The present invention relates to assist transportation dolly field, particularly relate to a kind of climbing stairs assist transportation dolly.
Background technology
In recent years, along with constantly the accelerating of China's urbanization process, being continuously increased of cities and towns ratio, the building of various places house
Layer is more and more higher, and the carrying of various article exists the biggest difficulty.And along with transport service industry development such as express delivery industry and removals of home,
The article that especially express delivery industry delivers are more and more diversified, and many large-scale kinds of goods need to carry, and manpower and baggage elevator
There is significant limitation, be at this moment accomplished by a kind of convenient, flexible stair climbing power assistive device to complete the porter of large piece article
Make.In some region not popularizing mechanized equipment and complicated landform, it is also desirable to a kind of small-sized power assistive device flexibly.
The utility strategies climbing building dolly is exactly the transport using a kind of simple plant equipment to complete complicated landform.
About the research of Stair climbing device, abroad starting relatively early, American Bray just applied for climbing in 1892
The patent of stair wheelchair.Hereafter, various countries start to put into this research one after another, and wherein the U.S., Britain, Germany and Japan are predominantly
Position, technology is the most ripe, and has some products to have been put into market use.
Although the research of such device is started late by China, but the most also emerge in large numbers the patent of a lot of this respect.Mesh
Front domestic and international existing stair-climbing device and patent, it realizes principle and is broadly divided into the most wheeled, lever, screw.Wherein, multiple
Wheeled have serious jolt, impact phenomenon, poor stability, it is impossible to adapt to different size step, and turn and have difficulties；Lever
Formula less stable, easily there is flop phenomenon in misoperation；Screw load-carrying is limited, wayward.
Such as China Patent Publication No.: CN 101085621, disclose a kind of portable semi-automatic stairs climbing dolly, but this is little
During turner is made, center of gravity fluctuation is big, and bumpy motion, loading capacity is little, and wayward.
In view of drawbacks described above, creator of the present invention obtains this creation finally through research for a long time and practice.
Summary of the invention
Present invention aim at providing a kind of climbing stairs assist transportation dolly, in order to overcome above-mentioned technological deficiency.
For achieving the above object, the present invention provides a kind of climbing stairs assist transportation dolly, including: the load-bearing of carrying kinds of goods
Device, realized by caterpillar drive stair climbing stair-climbing device, regulation load carrier and stair-climbing device between operating angle
Level land and stair conversion equipment, control stair-climbing device pacifically with the control device of the duty of stair conversion equipment and
Power supply；
It is connected with stair conversion equipment by level land between described load carrier and described stair-climbing device；
Described level land and stair conversion equipment include that telescopic push rod, push rod cylinder and push rod drive motor；Described push rod
The work that motor is push rod cylinder is driven to provide power；The duty of described push rod cylinder determines the collapsing length of push rod.
Further, described stair-climbing device includes: chassis, power unit and gear unit；Described power unit
It is placed in the housing on chassis, provides power for gear unit；Described gear unit is distributed in the left and right sides, chassis, performs to climb
Stair action.
Further, described push rod drives the bottom welding of motor or is fixed on described load-bearing dress by stud nut
The center put；Described push rod cylinder and push rod drive motor to share a base, or individually weld or pass through stud nut
It is fixed on described load carrier；Described push rod one end is enclosed within push rod cylinder interior, and the other end is hinged or riveting is connected in described
The upside on chassis.
Further, described power unit includes worm type of reduction gearing and Athey wheel motor；
Described worm type of reduction gearing welds or is bolted the rear side inner surface in chassis；
Described Athey wheel motor is connected with described worm type of reduction gearing by power transmission shaft, provides for described gear unit
Power；
The end of described Athey wheel motor is bolted with described worm type of reduction gearing or welds together.
Further, described gear unit include the first Athey wheel, the second Athey wheel, regulating wheel, the first follower,
Two followers and crawler belt band；
Described gear unit also includes that reducer output shaft, Athey wheel connecting shaft, the first follower connecting shaft and second are passive
Wheel connecting shaft；
The first described Athey wheel is connected by described reducer output shaft；Described reducer output shaft is through described snail
The center of worm and gear decelerator, the rotation that described worm and gear decelerator is described reducer output shaft provides power；Described
The first Athey wheel be described crawler belt rotation provide active force.
Further, the first described Athey wheel and the surface of the second Athey wheel are dentation, and are meshed with crawler belt；Described
Crawler belt inside and outside two sides be dentalation, its with contact position, ground less than the minimum point of the left and right sides, chassis shell wall；Described
The working depth of the first follower, the second follower and the second Athey wheel is identical.
Further, described control device mainly includes switch and relay；Described switch and relay are fixed on
Switch and the top of relay dispenser or sidepiece.
Further, described switch includes that the push rod of the collapsing length of the push rod described on and off switch, scalable drives
The running speed of the crawler belt described in motor switch and scalable and the Athey wheel motor switch in direction；Described relay is by leading
Line drives motor and Athey wheel motor to be connected with described push rod.
Further, described load carrier includes: handle, carrier and bottom tray；
Described carrier is edge-beam type lead frame structure；
The both sides of the bottom of described carrier arrange two bearing wheels, and described bearing wheels works at level road for dolly；
It is connected by screw between described handle and carrier or the two is welded as a whole；
Described bottom tray welds together with described carrier.
Further, the bottom of described load carrier and stair-climbing device are hinged by attachment means or riveting connects.
Compared with prior art the invention have the benefit that the present invention carries out anti-skidding process with crawler belt, make dolly and incline
The most there is not sliding phenomenon in oblique road surface or stair contact, and road surface that is narrow at corridor etc. and that be difficult to walk still can consignment
Product, stable working state, high degree alleviates the burden of staff；Motor and telescopic push rod is driven to carry out with push rod
The adjustment of operating angle between Athey wheel and carrier, during dolly work, can change angle according to condition, to adapt to different slope
Road；Switch can control the traffic direction of dolly, makes dolly can not only climb building transport, also can downstairs transport；When Manual-pushing, by
It is positioned at the bearing wheels stress bottom carrier, to complete the transport task of the general landform such as level road.
Stair climbing assist transportation dolly of the present invention, with one simply machinery loading trolley, in complexity such as stair
In the case of landform or big machinery transporting equipment cannot be introduced into, manpower is replaced to carry out transport.This dolly is also applied for putting down
Road or area, abrupt slope, its speed is adjustable, can freely switch between Manual-pushing and electric power promote.In dolly stair activity process
In, dolly center of gravity is always along the linear motion paralleled with the line on stairway step edge, and the fluctuation of its center of gravity is little, stable movement.
And dolly is operationally, only wants personnel gently to hold up dolly to control dolly speed change and direction of advance, improve work greatly
Efficiency and safety.
Accompanying drawing explanation
Fig. 1 is the three-dimensional structure diagram of the climbing stairs assist transportation dolly of the present invention；
Fig. 2 is the side view of the climbing stairs assist transportation dolly of the present invention；
Fig. 3 is the top view of the climbing stairs assist transportation dolly chassis of the present invention；
Fig. 4 is the upward view of the climbing stairs assist transportation dolly of the present invention.
In figure: 1 handle, 2 carriers, 3 battery cases, 4 bottom tray, 5 first Athey wheels, 6 regulating wheels, 7 first followers,
8 chassis, 9 crawler belts, 10 second followers, 11 second Athey wheels, 12 bearing wheels, 13 push rods, 14 push rod cylinders, 15 push rods drive electricity
Machine, 16 switch and relay dispensers, 17 reducer output shafts, 18 first follower connecting shafts, 19 second follower connecting shafts,
20 Athey wheel connecting shafts, 21 worm type of reduction gearings, 22 Athey wheel motors, 23 power transmission shafts, 24 attachment means.
Detailed description of the invention
Below in conjunction with accompanying drawing, to the present invention, above-mentioned and other technical characteristic and advantage are described in more detail.
Refer to Fig. 1, shown in 2, the present invention is a kind of climbing stairs assist transportation dolly, its specifically include that load carrier,
Stair-climbing device, level land and stair conversion equipment, control device and power supply.
Described load carrier and stair-climbing device are hinged by attachment means 24 or riveting connects together；Described level land with
Stair conversion equipment by adjusting the operating angle between load carrier and stair-climbing device, thus realize level road and stair climbing it
Between conversion；The described device that controls drives motor 15 and the duty of Athey wheel motor 22 by controlling push rod, thus controls
Operating angle between load carrier processed and stair-climbing device and the velocity of rotation of crawler belt 9 and direction；Described power supply is for pushing away
Bar drives motor 15 and Athey wheel motor 22 to provide electric power.
Described load carrier includes handle 1, carrier 2 and bottom tray 4；Described handle 1 is steel, ferrum or aluminium alloy
Etc. hard rigid material, it is held part by operator can increase by one layer of conventional plastic material, and plastic material can arrange slip-resistant texture,
With increasing friction force and the comfort level of operation；Described carrier 2 is edge-beam type lead frame structure, by multiple steel bars laterally between
Every arrangement, weld or be connected on the framework of carrier 2 by stud nut；Spiral shell is passed through between described handle 1 and carrier 2
Nail connects or the two welds together；The length of described bottom tray 4 slightly length or the width slightly shorter than carrier 2, its width
According to the size design of institute's bearing article, bottom tray 4 is for support article so that it is do not glide；Described bottom tray 4 with hold
Carrier 2 welds together；The bottom of described carrier 2 arranges two bearing wheels 12, and described bearing wheels 12 is responsible for dolly
Operation when level road.
Described stair-climbing device includes chassis 8, power unit and gear unit, and described chassis 8 is steel plate or iron plate
The housing constituted, the front side on described chassis 8 and be open state with stair contact side, other sides are sealed by iron plate or steel plate
Closing, the upper side on described chassis 8 is made up of iron plate or the steel plate of hollow out, to carry power unit, is simultaneously connected with level land and stair
Conversion equipment.
Referring to shown in Fig. 3, described power unit includes worm type of reduction gearing 21 and Athey wheel motor 22, described
Worm type of reduction gearing 21 welds or is bolted the rear side inner surface in chassis 8, more firm for make it fix, described
The side of worm type of reduction gearing 21 can be by welding or the inner surface being bolted upper side in chassis 8；Described
The end of Athey wheel motor 22 is bolted with worm type of reduction gearing 21 or welds together；Described crawler belt motor 22
It is connected with worm type of reduction gearing 21 by power transmission shaft 23；Described worm type of reduction gearing 21 utilizes its internal gear, thus
The winding number of Athey wheel motor 22 is decelerated to the winding number of dolly work, reduces the speed of service, improve job security.Due to
Dolly needs to carry constant weight, during upper and lower stair, rate belt wheel motor 22 provides power, and therefore required torque is bigger.
So, the effect of worm type of reduction gearing 21 herein is not only in that the direction of conversion power, slows down the speed of same Athey wheel motor 22,
Bigger effect is that the torque provided by Athey wheel motor 22 is amplified, to carry bigger weight.From P=FV, when power phase
Meanwhile, speed is the least, and the driving force that motor can be provided by is the biggest.
Described gear unit includes first Athey wheel the 5, second Athey wheel 11, regulating wheel the 6, first follower the 7, second quilt
Driving wheel 10 and crawler belt 9, reducer output shaft 17, Athey wheel connecting shaft the 20, first follower connecting shaft 18 and the second follower
Connecting shaft 19.Two the first described Athey wheels 5 are connected by reducer output shaft 17, and described reducer output shaft 17 passes
The center of worm type of reduction gearing 21, the rotation that described worm type of reduction gearing 21 is reducer output shaft 17 provides power,
Described reducer output shaft 17 is connected by bearing with contact position, worm type of reduction gearing 21 lateral wall, two described first
Follower 7 is connected by the first follower connecting shaft 18, and two the second described followers 10 are by the second follower connecting shaft 19 even
Connecing, two the second described Athey wheels 11 are connected by Athey wheel connecting shaft 20, described reducer output shaft the 17, first follower
Connecting shaft the 18, second follower connecting shaft 19 and Athey wheel connecting shaft 20 pass the left and right sides shell wall on chassis 8, and axle connects with shell wall
Synapsis is connected by bearing, to reduce mechanical friction.
The the first described Athey wheel 5 rear wall near chassis 8, the first described Athey wheel 5 is drive sprocket, and it is
Aluminium alloy, steel, cast iron, rustless steel or other hard wear resistant materials, the surface of the first described Athey wheel 5 is dentation, and with shoe
Band 9 is meshed, maximum in the diameter of all parts of a diameter of gear unit of the first described Athey wheel 5.
The lower section of the first described Athey wheel 5, by direction on front side of chassis 8, arranges the first follower 7；Described first follower
The periphery of 7 is smooth, and it has the function of tensioned tracks 9, ensure that the contact area that crawler belt 9 and stair are enough simultaneously, so that little
Car can run smoothly.
The second described Athey wheel 11 is near the front side on chassis 8, and the second described Athey wheel 11 is driven Athey wheel, and it is
Aluminium alloy, steel, cast iron, rustless steel or other hard wear resistant materials, the surface of the second described Athey wheel 11 is dentation, and with shoe
Band 9 is meshed.
The second described follower 10 between the first follower 7 and the second Athey wheel 11, the second described follower
10 near front side, rear side or the position, middle on chassis 8, and the periphery of the second described follower 10 is smooth, and it has opens
The function of tight crawler belt 9.
Described regulating wheel 6 is plastics or nylon material, to alleviate dolly deadweight；Described regulating wheel 6 periphery is smooth；Institute
The regulating wheel 6 stated is arranged between the first Athey wheel 5 and the second crawler belt 11, and near the first Athey wheel 5, described regulating wheel 6
Working depth crawler belt to be less than 9 away from the working depth of ground side, to ensure that it has the effect of tensioned tracks 9.
Described crawler belt 9 is the flexible material for crawler belt such as rubber, and inside and outside described crawler belt 9, two sides is dentation knot
Structure, and be meshed with the first Athey wheel 5 and the second Athey wheel 11 inside it, described crawler belt 9 and contact position, ground are less than chassis 8
The minimum point of left and right sides shell wall, it is ensured that during dolly stair climbing, whole stair-climbing device only has crawler belt 9 to contact with stair face.
First described follower the 7, second follower 10 and the working depth of the second Athey wheel 11 are identical, it is ensured that dolly
Crawler belt 9 can contact stair smoothly, thus ensure that duty stable during the upper and lower stair of dolly.
Described level land and stair conversion equipment include that push rod 13, push rod cylinder 14 and push rod drive motor 15, and described pushes away
Bar is driven the bottom welding of motor 15 or is fixed on the center of carrier 2 by stud nut；Described push rod drives electricity
The top of machine 15 or bottom arrange push rod cylinder 14, and described push rod cylinder 14 and push rod drive motor 15 to share a base, or
Individually welding or be fixed on carrier 2 center slightly by upper or on the lower, described push rod 13 one end is enclosed within by stud nut
Push rod cylinder 14 is internal, and its other end hinge or riveting are connected in the upside on chassis 8.
Described control device mainly includes that switch and relay, described switch and relay pass through bolt or other are solid
Determining mode and be fixed on switch and the top of relay dispenser 16 or sidepiece, described switch and the control system of relay are all pacified
Being placed in plastic casing, connected by wire between described switch and relay, described relay is driven with push rod by wire
Galvanic electricity machine 15 and Athey wheel motor 22 connect, and described switch mainly includes that on and off switch, push rod drive motor switch and crawler belt
Turbin generator switchs, and described push rod drives motor switch can be driven the running speed of motor 15 by regulation push rod, then regulates
The collapsing length of push rod 13, thus operating angle when controlling dolly stair climbing, so that dolly can be on the ramp of different angles
Work, described Athey wheel motor switch is by rotating to different directions, thus controls the rotation direction of Athey wheel motor 22,
Then regulating the rotation direction of Athey wheel, i.e. control the upper and lower building state of dolly, described relay has being automatically adjusted, pacifies
Full guard and the effect of change-over circuit.
Described power supply is positioned in battery case 3, and described battery case 3 has two, respectively by one piece of electric motor car lead battery
Composition, it drives motor 15 and Athey wheel motor 22 to provide power, described battery case 3 weld or pass through stud nut for push rod
Being fixed on the offside of bottom tray 4 bottom carrier 2, the width of described battery case 3 is necessarily less than bearing wheels 12 and first
The horizontal range of Athey wheel 5, the side of described battery case 3 can not contact bearing wheels 12, and opposite side can not contact track 9.
The present invention is a kind of climbing stairs assist transportation dolly, and it is in the work process of level road motion: on and off switch, push rod
Driving motor switch and Athey wheel motor switch to be closed, push rod 13 is in contraction state, and crawler belt 9 is inoperative, operation
Personnel make it move by operating handle 1, and carrier 2 need to keep suitable angle with level ground, in order to operator are controlled
Moving of car direction processed.Whole dolly is similar to handbarrow, and only bearing wheels 12 contacts with ground.
The present invention is a kind of climbing stairs assist transportation dolly, its work process when upper and lower stair: electric motor car lead stores
Battery provides integral power for dolly, turns on the power switch and push rod drives motor switch, switch to send a signal to drive with push rod
The relay that galvanic electricity machine 15 is connected, signal is reached push rod and drives motor 15 by relay, and push rod drives motor 15 to operate, then
The push rod cylinder 14 being attached thereto works, thus starts push rod 13, and chassis 8 is released by final push rod 13.According to stair and ground
Angle, drives motor switch knob to control push rod by push rod and drives motor 15 operating state, thus adjust the flexible of push rod 13
Length, i.e. adjusts the work angle between chassis 8 and carrier 2, so that dolly is when stair climbing transports goods, it is possible to save time province
Power and easy motion.After dolly work angle adjusts, opening Athey wheel motor switch, switch sends a signal to and Athey wheel electricity
The relay that machine 22 is connected, signal is reached Athey wheel motor 22 by relay, and Athey wheel motor 22 operates, and power transmission shaft 23 drives
The worm type of reduction gearing 21 being attached thereto, worm type of reduction gearing 21 then drives reducer output shaft 17 to operate, thus carries
Dynamic first Athey wheel 5 rotates, and the first Athey wheel 5 drives the crawler belt 9 being engaged with to move, and is then reached by power and crawler belt 9 phase
Second Athey wheel 11 of engagement, the first Athey wheel 5 rotates with the second Athey wheel 11, drives crawler belt 9 uniform motion, so that operation
Personnel only need handle 1 of holding with a firm grip, by operation switching knob, then control each electric machine operation state, finally enable dolly put down
Steady stair climbing transports goods.First follower the 7, second follower 10 in actuating device plays the effect supporting crawler belt 9,
Bearing up pulley 6 plays the effect of tensioned tracks 9, and the first follower 7, second passive 10 ensure that enough the contacting of crawler belt 9 and stair
Area, enables dolly to move smoothly.Push rod drives the duty of motor 15 and Athey wheel motor 22 all can pass through switch
Being controlled, the rotation direction of Athey wheel motor 22 also can be by on-off control, and the rotation direction of Athey wheel motor 22 controls to carry out
With the rotation direction of 9, thus realize the conversion between the upper and lower stair of dolly.
Climbing stairs assist transportation dolly provided by the present invention, relative to prior art, following benefit:
The start and stop of dolly, carrier 2 and the angle on chassis 8 and the traffic direction etc. of dolly, all by switch, relay, stair climbing
Device and the electric control gear such as level land and stair conversion equipment control, and there is strict logical order, by each unit between each device
Cooperating of part, it is achieved many-sided control of switch, makes dolly can not only climb building transport, also can downstairs transport.
The winding number of Athey wheel motor 22, for improving job security, is decelerated to certain model by worm type of reduction gearing 21
Enclose.Making dolly is about 0.10m/s-0.15m/s along the movement velocity of stair bevel direction.And through on-the-spot investigation, most of buildings
The angle of ladder is about 32 °, and when load-carrying is 50kg, for security consideration, the speed of dolly should be not too fast, and this speed is just suitable for
This velocity interval.
The inside and outside two sides of crawler belt 9 is dentalation, so that dolly does not occur sliding phenomenon in the road surface motion tilted.
Due to dolly load-carrying, crawler belt 9 stress upstairs time is relatively big, is easily formed bigger deformation, therefore, adds regulating wheel 6 at an upper portion thereof
With compression space, and crawler belt 9 is supported, so that dolly can with the first follower 7 and the second follower 11
Motion on stair the most at the uniform velocity.
The bottom of the load carrier of dolly is connected together with stair-climbing device hinge or riveting by attachment means 24, its load-bearing
Device center is connected with chassis 8 with stair conversion equipment by level land, so forms three-point fix, makes vehicle structure and weight
The heart is more stable, and the parts laid on the chassis 8 of dolly are symmetric, to prevent the centre-of gravity shift of dolly.
Operating angle between chassis 8 and the carrier 2 of dolly, is determined by the collapsing length of push rod 13, stretching of push rod 13
Contracting length drives motor switch to control by push rod, and its length freely can change between 200mm-300mm, when push rod 13 length
During for 200mm, i.e. push rod 13 is in non-retracted position, and now between carrier 2 and chassis 8, angle is 11 degree, and crawler belt 9 cannot connect
Tread surface, dolly is taken turns 12 contact ground by the support bottom carrier, is made dolly at flat overground locomotion.When packing up due to chassis 8,
Second Athey wheel 11 can eject forward, can have more downwards a segment distance simultaneously, is at this moment easy to interfere with support wheel 12, makes
Support wheel 12 and cannot contact ground, and the collapsing length scope of push rod 13 avoids this and interferes.
Above-mentioned detailed description is illustrating for one of them possible embodiments of the present invention, and this embodiment is also not used to
Limiting the scope of the claims of the present invention, all equivalences done without departing from the present invention are implemented or change, are intended to be limited solely by the technology of the present invention
In the range of scheme.
Claims (10)
1. a climbing stairs assist transportation dolly, it is characterised in that include carrying the load carrier of kinds of goods, passing through caterpillar drive
Realize the stair-climbing device of stair climbing, between regulation load carrier and stair-climbing device, the level land of operating angle fills with stair conversion
Put, control stair-climbing device pacifically with control device and the power supply of the duty of stair conversion equipment；
It is connected with stair conversion equipment by level land between described load carrier and described stair-climbing device；
Described level land and stair conversion equipment include that telescopic push rod, push rod cylinder and push rod drive motor；Described push rod
The work that motor is push rod cylinder is driven to provide power；The duty of described push rod cylinder determines the collapsing length of push rod.
Climbing stairs assist transportation dolly the most according to claim 1, it is characterised in that described stair-climbing device bag
Include:
Chassis, power unit and gear unit；Described power unit is placed in the housing on chassis, provides dynamic for gear unit
Power；Described gear unit is distributed in the left and right sides, chassis, performs stair climbing action.
Climbing stairs assist transportation dolly the most according to claim 2, it is characterised in that described push rod drives motor
Bottom welding or be fixed on the center of described load carrier by stud nut；Described push rod cylinder drives electricity with push rod
Machine shares a base, or individually welds or be fixed on described load carrier by stud nut；Described push rod one end
Being enclosed within push rod cylinder interior, other end hinge or riveting are connected in the upside on described chassis.
Climbing stairs assist transportation dolly the most according to claim 2, it is characterised in that described power unit includes snail
Worm and gear decelerator and Athey wheel motor；
Described worm type of reduction gearing welds or is bolted the rear side inner surface in chassis；
Described Athey wheel motor is connected with described worm type of reduction gearing by power transmission shaft, provides for described gear unit
Power；
The end of described Athey wheel motor is bolted with described worm type of reduction gearing or welds together.
Climbing stairs assist transportation dolly the most according to claim 4, it is characterised in that described gear unit includes
One Athey wheel, the second Athey wheel, regulating wheel, the first follower, the second follower and crawler belt；
Described gear unit also includes reducer output shaft, Athey wheel connecting shaft, connecting shaft；
The first described Athey wheel is connected by described reducer output shaft；Described reducer output shaft is through described snail
The center of worm and gear decelerator, the rotation that described worm and gear decelerator is described reducer output shaft provides power；Described
The first Athey wheel be described crawler belt rotation provide active force.
Climbing stairs assist transportation dolly the most according to claim 5, it is characterised in that the first described Athey wheel and
The surface of two Athey wheels is dentation, and is meshed with crawler belt；Inside and outside described crawler belt, two sides is dentalation, and it connects with ground
Synapsis is less than the minimum point of the left and right sides, chassis shell wall；Described the first follower, the second follower and the work of the second Athey wheel
Make the most identical.
Climbing stairs assist transportation dolly the most according to claim 5, it is characterised in that described control device mainly wraps
Include switch and relay；Described switch and relay are fixed on switch and the top of relay dispenser or sidepiece.
Climbing stairs assist transportation dolly the most according to claim 7, it is characterised in that described switch includes that power supply is opened
Close, the push rod of the collapsing length of push rod described in scalable drive crawler belt described in motor switch and scalable running speed and
The Athey wheel motor switch in direction；Described relay drives motor and Athey wheel motor even by wire and described push rod
Connect.
Climbing stairs assist transportation dolly the most according to claim 5, it is characterised in that described load carrier includes:
Handle, carrier and bottom tray；
Described carrier is edge-beam type lead frame structure；
The both sides of the bottom of described carrier arrange two bearing wheels, and described bearing wheels works at level road for dolly；
It is connected by screw between described handle and carrier or the two is welded as a whole；
Described bottom tray welds together with described carrier.
Climbing stairs assist transportation dolly the most according to claim 1, it is characterised in that the end of described load carrier
Portion and stair-climbing device are hinged by attachment means or riveting connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610482956.9A CN106080724A (en) | 2016-06-28 | 2016-06-28 | A kind of climbing stairs assist transportation dolly |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610482956.9A CN106080724A (en) | 2016-06-28 | 2016-06-28 | A kind of climbing stairs assist transportation dolly |
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| CN106080724A true CN106080724A (en) | 2016-11-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610482956.9A Pending CN106080724A (en) | 2016-06-28 | 2016-06-28 | A kind of climbing stairs assist transportation dolly |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| GB2553639A (en) * | 2016-06-29 | 2018-03-14 | R S A Concept | Motorized handling truck |
| CN108058736A (en) * | 2018-01-17 | 2018-05-22 | 上海电机学院 | A kind of push-down stair climbing power-assisted trolley |
| CN108327749A (en) * | 2018-04-23 | 2018-07-27 | 冬之阳 | A kind of Multifunction tow |
| CN109501841A (en) * | 2018-12-24 | 2019-03-22 | 巢湖学院 | Wheel is with crawler belt and the formula of depositing pushes away lorry |
| CN112842721A (en) * | 2021-01-06 | 2021-05-28 | 何经健 | Electric wheelchair convenient for going upstairs and downstairs |
| WO2021181047A1 (en) * | 2020-03-13 | 2021-09-16 | Rsa Concept | Motor-driven tracked pallet truck |
| IT202000017764A1 (en) * | 2020-07-22 | 2022-01-22 | Claudio Zonzini | TROLLEY IMPROVED FOR CARRYING A LOAD. |
| FR3121417A1 (en) * | 2021-12-23 | 2022-10-07 | R.S.A. Concept | Motorized hand truck with double tipping |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2553639A (en) * | 2016-06-29 | 2018-03-14 | R S A Concept | Motorized handling truck |
| GB2553639B (en) * | 2016-06-29 | 2019-08-07 | R S A Concept | Motorized handling truck |
| CN108058736A (en) * | 2018-01-17 | 2018-05-22 | 上海电机学院 | A kind of push-down stair climbing power-assisted trolley |
| CN108058736B (en) * | 2018-01-17 | 2024-02-20 | 上海电机学院 | Push rod type stair climbing power-assisted trolley |
| CN108327749A (en) * | 2018-04-23 | 2018-07-27 | 冬之阳 | A kind of Multifunction tow |
| CN109501841A (en) * | 2018-12-24 | 2019-03-22 | 巢湖学院 | Wheel is with crawler belt and the formula of depositing pushes away lorry |
| WO2021181047A1 (en) * | 2020-03-13 | 2021-09-16 | Rsa Concept | Motor-driven tracked pallet truck |
| FR3108087A1 (en) * | 2020-03-13 | 2021-09-17 | R.S.A. Concept | motorized tracked pallet truck |
| IT202000017764A1 (en) * | 2020-07-22 | 2022-01-22 | Claudio Zonzini | TROLLEY IMPROVED FOR CARRYING A LOAD. |
| EP3943364A1 (en) | 2020-07-22 | 2022-01-26 | Claudio Zonzini | Motorized trolley for transporting a load |
| CN112842721B (en) * | 2021-01-06 | 2023-02-03 | 中山市康政医疗器材有限公司 | Electric wheelchair convenient for going upstairs and downstairs |
| CN112842721A (en) * | 2021-01-06 | 2021-05-28 | 何经健 | Electric wheelchair convenient for going upstairs and downstairs |
| FR3121417A1 (en) * | 2021-12-23 | 2022-10-07 | R.S.A. Concept | Motorized hand truck with double tipping |
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