A kind of mechanical ascending and descending transport carriage
Technical field
The present invention relates to the material transfer device of production scene, particularly to a kind of mechanical ascending and descending transport carriage
Background technology
It is frequently necessary in workshop transport all kinds of materials, but some materials need to be placed into transhipment in wood pallets, need
Want dolly chassis have elevating function in order to pitch dress and transport, and traditional transport carriage no elevating function it is impossible to
Realize forking and falling of pallet, cause transhipment difficult.
Also there is the dolly with elevating mechanism, majority utilizes hydraulically powered principle, makes on dolly vehicle body in prior art
Lower motion, realizes lifting and the transhipment work of object.The structure of such dolly is relative complex, high cost, and complete vehicle weight weight,
Increased the labor intensity of operator.
Content of the invention
The present invention is only limitted to hydraulic lifting for material transfer dolly of the prior art no elevating function or elevating mechanism,
There is provided a kind of structure simple, the mechanical ascending and descending transport carriage of simple operation, in order to transport material by pallet, improves scattered
The handling of material and transport efficacy.
The object of the present invention is achieved like this, a kind of mechanical ascending and descending transport carriage, including horizontally disposed vehicle body, institute
The rear stating vehicle body is flexibly connected armrest support, rotates and connect two Universal wheels on the downside of described armrest support;Near described car
The two bottom sides of body front end rotate rotary triangle plate before connecting respectively by coaxial first rotating shaft, described front rotary triangle plate
First angle point of the back lower place is rotated with first rotating shaft respectively and is connected, and second angle point in front rotates connection directional wheel respectively, goes up afterwards
The front end of the connecting rod that the third angle point of side is arranged before and after rotating connection respectively;Described body rear end two bottom sides are passed through coaxial respectively
The second axis of rotation connect after rotary triangle plate, the first angle point of described rear rotary triangle plate front upper place is connected with the second rotating shaft
Connect, the second angle point of rear rotary triangle plate front lower place is connected with the rear end thereof of connecting rod, described rear rotary triangle plate rear
The third angle point is rotated with the lower end of armrest support and is connected, and is fixed with vertical rod vertically upward on the upside of described body rear end, described vertical
The hinged pedal lever in bar upper end, the middle part of described pedal lever is provided with and rotates the fulcrum being connected, institute with armrest support by bearing pin
The other end stating pedal lever makes pedal lever around fulcrum to lift vertical rod and vehicle body, on described armrest support for foot-operated
It is additionally provided with the locking device for locking positioning pedal lever angle.
The mechanical ascending and descending transport carriage of the present invention, front rotary triangle plate and rear rotary triangle plate pass through link rotatable respectively
Connect, the lifting action of vehicle body is realized by the action of pedal lever, the position that the height of vehicle body passes through to lock pedal lever is solid
Fixed.Detailed process is, when trampling pedal lever, so that pedal lever is rotated up around fulcrum, one piece of quilt of pedal lever and vertical rod
Above carry, rear is also above carried, rotate the third angle point around rear for the rear rotary triangle plate being connected with rear counterclockwise simultaneously
Rotate, the second angle point of rear rotary triangle plate pulls the connecting rod action being connected with the second angle point, and front rotary triangle plate is in connecting rod power
In the presence of around front rotary triangle plate first angle point rotate, make the first angle point of front rotary triangle plate be lifted up vehicle body,
Thus synchronous rise action before and after realizing whole vehicle body, by locking device, pedal lever is locked after vehicle body is raised up to peak
Extremely to keep bodywork height, you can the material forking on go-cart transfer car(buggy).When needing vehicle body to decline fork dress pallet class material, only
Locking device to be unclamped makes pedal lever counteragent, vehicle body is down to the height of needs, is then pinned by locking device again
Pedal lever.Therefore, the mechanical ascending and descending transport carriage structure of the present invention is simple, saves the hydraulic lift of fortune, makes little
The lifting structure of car is simply solid, durable, low cost of manufacture.
Bottom for ease of spacing vehicle body highly prevents vehicle body from excessively reducing and directional wheel interference, and prevents front rotary triangle
Plate arbitrarily swings, and described directional wheel axes extending line is provided with the protruding end protruded outside vehicle body, corresponding with described protruding end
Be provided with the side turning over downwards below vehicle body, described side and protruding end against when, vehicle body is down to extreme lower position.
Brief description
Fig. 1 is the structural representation of the mechanical ascending and descending transport carriage of the present invention.
Fig. 2 is down to the minimum vehicle body position limiting structure schematic diagram being for vehicle body front side.
Wherein, 1 armrest support;2 pedal levers;2a fulcrum;3 locking devices;4 vertical rods;5 universal wheels;Three are rotated after 6
Gusset;6a first angle point;6b second angle point;6c the third angle point;7 vehicle bodies;8 connecting rods;Rotary triangle plate before 9;9a first angle point;9b
Second angle point;9c the third angle point;10 directional wheels.
Specific embodiment
It is illustrated in figure 1 the mechanical ascending and descending transport carriage of the present invention, including horizontally disposed vehicle body 7, the rear of vehicle body 7
It is flexibly connected armrest support 1, armrest support 1 downside rotates and connects two Universal wheels 5;Two bottom sides near vehicle body 7 front end
Rotate rotary triangle plate 9 before connecting, the first angle point 9a of the back lower place of front rotary triangle plate 9 respectively by coaxial first rotating shaft
Rotate with first rotating shaft and be connected, the second angle point 9b in front rotates and connects directional wheel 10, and the third angle point 9c of back upper place turns respectively
Be dynamically connected the front end of the connecting rod 8 arranging in front and back;Vehicle body 7 rear end two bottom sides are respectively after the second coaxial axis of rotation connects
Rotary triangle plate 6, the first angle point 6a of rear rotary triangle plate 6 front upper place is connected with the second rotating shaft, before rear rotary triangle plate 6
Second angle point 6b of lower section is connected with the rear end thereof of connecting rod 8, the third angle point 6c at rear rotary triangle plate 6 rear and armrest support
1 lower end rotates and connects, and vehicle body 7 rear upper side is fixed with vertical rod 4 vertically upward, the hinged pedal lever in vertical rod 4 upper end 2, foot
The middle part stepping on lever 2 is provided with the fulcrum 2a being connected with armrest support 1 by bearing pin rotation, and the other end of pedal lever 2 is used for foot
Step on and so that pedal lever 2 is rotated to lift vertical rod 4 and rear around fulcrum 2a, armrest support 1 is additionally provided with for locking positioning foot
Step on the locking device 3 of lever 2 angle.
Bottom for ease of spacing vehicle body 7 highly prevents vehicle body excessively reduction from interfering with directional wheel 10, and prevents front rotation
Set square 9 arbitrarily swings, and directional wheel 10 axes extending line is provided with the protruding end protruded outside vehicle body, car corresponding with protruding end
Be provided with the side turning over downwards below body, side and protruding end against when, vehicle body is down to extreme lower position.And after the vehicle body at rear reduces
Minimum altitude directly by locking device 3 lock pedal lever 2.
The mechanical ascending and descending transport carriage of the present invention, front rotary triangle plate 9 and rear rotary triangle plate 6 pass through connecting rod 8 respectively
Rotate and connect, the lifting action of vehicle body 7 is realized by the action of pedal lever 2, the height of vehicle body is solid by locking device locking
Fixed.Detailed process is, when trampling pedal lever 2, so that pedal lever 2 is rotated up around fulcrum 2a, pedal lever 2 and vertical rod 4 one
Block is above carried, and rear is also above carried, and rotates the third angle point 6c around rear for the rear rotary triangle plate 6 being connected with rear simultaneously
Rotate counterclockwise, the second angle point 6b of rear rotary triangle plate 6 pulls connecting rod 8 action being connected with the second angle point, front rotary triangle
Plate 9 first angle point 9a around front rotary triangle plate 9 in the presence of connecting rod power rotates, and makes the first angle point of front rotary triangle plate 9
Vehicle body is lifted up by 9a, thus synchronous rise action before and after realizing whole vehicle body, passes through lock after vehicle body 7 is raised up to peak
Tight device 3 is by locked for pedal lever 2 to keep bodywork height, you can the material forking on go-cart transfer car(buggy).When needing under vehicle body
During fall fork dress pallet class material, as long as unclamping locking device 3 to make pedal lever 2 counteragent, vehicle body is down to the height of needs,
Then again pedal lever 2 is pinned by locking device 3.Therefore, the mechanical ascending and descending transport carriage structure of the present invention is simple,
Save the hydraulic lift of fortune, make the lifting structure of dolly simply solid, durable, low cost of manufacture.