Invention content
For the above-mentioned prior art the problem of, the present invention provide a kind of Self-loading-unloading aluminum water bag transport vehicle, the present invention
Transport vehicle have the function of Self-loading & self-unloading, whens handling, need not use other hanging devices auxiliary to complete, and automatization level is high, peace
Full performance is good, and operating cost is low.
To achieve the above object, the present invention provides the following technical solutions:
A kind of Self-loading-unloading aluminum water bag transport vehicle, including front frame, Rear frame, lifting device, hydraulic system and driven suspension
Device, the front frame and Rear frame flexible connection, the lifting device are located in Rear frame, and the driven suspension arrangement is located at
Below Rear frame, the lifting device includes hoisting frame and 2 lift cylinders, passes through 4 between the Rear frame and hoisting frame
Rocking arm is flexibly connected, and the both ends of the lift cylinder are flexibly connected with Rear frame and hoisting frame respectively, and the lift cylinder tilts
Setting.
Further, 2 rocking arms are symmetricly set on one end of hoisting frame, are front arm, and in addition 2 rocking arms are symmetrical arranged
In the other end of hoisting frame, it is flexibly connected with the hoisting frame by axis pin for rear arm, the lift cylinder and front arm.
Further, the Rear frame, which is equipped with, promotes connecting seat, and the front arm is flexibly connected with connecting seat is promoted.
Further, the Rear frame is equipped with elastic spacing block, when the hoisting frame rises to extreme higher position, hoisting frame and bullet
Property limited block offsets.
Further, 2 steering cylinders, respectively left steering oil cylinder and right-hand rotation are additionally provided between the front frame and Rear frame
To oil cylinder, the hydraulic system includes the first oil pump, turning gradient control valve, steering gear and promotes manipulation valve,
The inlet port of first oil pump is connect with fuel tank, the actuator port of first oil pump and turning gradient control valve into
Hydraulic fluid port connects;
The actuator port of the first actuator port connection steering gear of the turning gradient control valve, guide's hydraulic fluid port of turning gradient control valve
Guide's hydraulic fluid port of steering gear is connected, the second actuator port connection of turning gradient control valve promotes the oil inlet for manipulating valve, turns to preferential
The oil return opening of valve connects fuel tank;
The steering cylinder on the right actuator port connection right side of the steering gear, the left actuator port connection left side of steering gear
The oil return opening of steering cylinder, steering gear connects fuel tank;
The actuator port connection lift cylinder for manipulating valve is promoted, the oil return opening for promoting manipulation valve connects fuel tank.
Further, the hydraulic system further includes the second oil pump, working oil path pilot operated valve device and hand control valve,
The oil inlet of second oil pump is connect with fuel tank, the control of the actuator port and working oil path pilot operated valve device of the second oil pump
The oil inlet of donsole and hand control valve connects;
The oil inlet of working oil path pilot operated valve device and the second actuator port of turning gradient control valve connect, working oil path pilot operated valve device
Actuator port is connect with the oil inlet for promoting manipulation valve, and the oil return opening of working oil path pilot operated valve device connects fuel tank;
The oil return opening of the hand control valve connects fuel tank.
Further, the hydraulic system further include stroke control valve and protection oil cylinder,
The oil inlet of the stroke control valve is connect with the actuator port for manipulating valve is promoted, the actuator port of stroke control valve
With protection oil cylinder the first actuator port connect, the oil return opening of stroke control valve with connect fuel tank;
The first actuator port and the second actuator port of the protection oil cylinder are separately connected fuel tank.
Further, one end of hoisting frame is equipped with block, and the stroke control valve is arranged in Rear frame, on the hoisting frame
When rising to extreme higher position, the valve rod of block and stroke control valve offsets.
Further, the driven suspension arrangement includes driven vehicle bridge support shaft, babinet, wheel shaft, wheel hub and wheel, the branch
Support axis is fixedly connected with Rear frame, and the babinet is 2, and is flexibly connected respectively with the both ends of support shaft, and the wheel is logical
It crosses wheel shaft and wheel hub is mounted on babinet, the wheel for being located at Rear frame the same side is symmetrical arranged about support shaft.
Further, the driven suspension arrangement further includes stop nut, and the stop nut is mounted on the both ends of support shaft,
The babinet is between Rear frame and stop nut.
Beneficial effects of the present invention are as follows:
1, lifting device of the invention can realize parallel promotion, parallel landing, bearing capacity using double four-bar linkage structures
Greatly, stable movement, reliable operation are simple in structure;
2, hydraulic system of the invention is provided with working oil path pilot operated valve device and hand control valve, eliminates operator because accidentally grasping
Make or accidentally run into control valve and caused by safety accident generation;
3, this busy hydraulic system is provided with stroke control valve and protection oil cylinder, and setting position is reached when being elevated object
When, protection oil cylinder and safety device can be driven automatically, reaches security protection state, realizes function of safety protection, improved
The security performance of driver behavior person;
4, driven suspension arrangement of the invention setting support shaft and babinet articulated connection, independently installed, vehicle operation
In when encountering uneven road surface, can independently overcome or reduce caused by road injustice to vehicular impact.
Description of the drawings
Fig. 1 is the transport vehicle overall structure diagram of the present invention;
Fig. 2 is the body frame structure for automotive schematic top plan view of the present invention;
Fig. 3 is the lifting device structural schematic diagram of the present invention;
Fig. 4 is the hydraulic system structure schematic diagram of the present invention;
Fig. 5 is the driven suspension device structure diagram of the present invention.
In figure:1-front frame, 11-front beams, 12-front beams, 13-front longitudinal beams, 14-rockers, 15-rocker branch
Seat, 2-linkworks, 21-preceding articulated slabs, 22-rear articulated slabs, 3-Rear frames, 31-rear cross beams, 32-rear cross beams, 33-
Floor side member, 34-promotion connecting seats, 35-lift cylinder support shafts, 36-driven vehicle bridge support shafts, 37-web beams, 38-
Elastic spacing block, 4-lifting devices, 41-hoisting frames, 42-lift cylinders, 43-front arms, 44-rear arms, 45-gears
Block, 51-fuel tanks, the 52-the first oil pump, the 53-the second oil pump, 54-turning gradient control valves, 55-steering gears, 56-steering cylinders,
57-working oil path pilot operated valve devices, 58-hand control valves, 59-promote manipulation valve, 510-stroke control valves, 511-preservative oils
Cylinder, 512-bidirectional hydraulic locks, 513-protective plates, 6-driven suspension arrangements, 61-babinets, 62-wheel shafts, 63-wheel hubs,
64-wheels, 65-stop nuts, 7-aluminum water packets, 71-aluminum water packet framves, P-oil inlet, CF-actuator port, EF-work
Hydraulic fluid port, LS-guide's hydraulic fluid port, the left actuator ports of L-, the right actuator ports of R-, K-control mouth, A-actuator port, B-working oil
Mouthful, T-oil return opening.
Embodiment one:
As shown in Figure 1, a kind of Self-loading-unloading aluminum water bag transport vehicle, including front frame, driver's cabin, Rear frame, lifting device, liquid
Pressure system and driven suspension arrangement, the front frame and Rear frame flexible connection, the lifting device is located in Rear frame, described
Driven suspension arrangement is located at below Rear frame, and transport vehicle further includes the driving parts such as front vehicle wheel, engine, fluid coupling, this
A little driving parts are located in front frame, and driving part is the prior art, and this will not be detailed here.
As shown in Fig. 2, the front frame 1 and Rear frame 3 are connected by linkwork 2, the front frame before 2 including indulging
Beam 13, front beam 11 and front beam 12, rocker 14 and 2 rocker bearings 15, the front longitudinal beam 13 are box, 2 front longitudinal beams 13
Form rectangular frames with 2 front beams, the front beam 12 close to Rear frame is box, the both ends of rocker bearing 15 respectively with 2
Front longitudinal beam 13 is fixedly connected, and rocker bearing 15 is located at the lower section of rectangular frame, and the both ends of rocker 14 are respectively equipped with engaging lug, 2
Engaging lug is hinged with 2 rocker bearings 15 respectively.When vehicle passes through uneven road surface, it is outstanding to be likely to result in one of wheel
Sky is caused vehicle frame to bear twisting resistance deformation, is located at due to rocker 14 on the center line of vehicle, passes through rocker 14 in such cases
It swings, the twisting resistance suffered by vehicle frame can be eliminated, avoid frame distortion.The Rear frame includes 2 floor side members 33 and rear cross beam
31, rear cross beam 32, the floor side member 33, rear cross beam 31 and rear cross beam 32 are respectively box, 2 floor side members 33 and 2 rear cross beams
Form " work " shape frame.The Rear frame 3 further includes promoting connecting seat 34, described to promote connecting seat 34 and close front frame 1
Rear cross beam 31 is fixedly connected, and is promoted connecting seat 34 and is located at the side that rear cross beam 31 is connect with floor side member 33.The Rear frame 3 is also wrapped
Lift cylinder support shaft 35 is included, for installing lift cylinder 42, the lift cylinder support shaft 35 is parallel with rear cross beam 31, and
It is fixedly connected with 2 floor side members 33.The Rear frame 3 further includes driven vehicle bridge support shaft 36, for installing driven suspension arrangement
6, the driven vehicle bridge support shaft 36 is parallel with rear cross beam 31, and is fixedly connected with 2 floor side members 33.The Rear frame 3 is also
Including 3 web beams 37, the both ends of the web beam 37 are fixedly connected with the floor side member 33 respectively.Lift cylinder supports
Axis 35 and driven vehicle bridge support shaft 36 are located between web beam 37, to ensure the stationarity of vehicle frame and improve carrying energy
Power, the linkwork 2 include 2 preceding articulated slabs 21, rear articulated slab 22 and axis pin, and the preceding articulated slab 21 is fixed with front frame
Connection, the rear articulated slab 22 are fixedly connected with Rear frame, and the rear articulated slab 22 is located between 2 preceding articulated slabs 21 and passes through
Axis pin connects, and this set can improve the torsion capacity of vehicle frame.Front frame 1 mainly carries complete machine power plant, driving and behaviour
Vertical device, front-drive cars bridge and piece attachments device etc.;The driven vehicle bridge after capable of carrying of Rear frame 3, carries lift cylinder support shaft
Rise system link supports seat, rear etc..The utility model is by the longitudinal and cross beam partial replacement of front truck 1 and Rear frame 3
For box welding structure, hence it is evident that the bearing capacity for improving vehicle frame entirety simplifies the manufacture craft of vehicle frame.
As shown in figure 3, lifting device includes hoisting frame 41 and 2 lift cylinders 42, lead between Rear frame 3 and hoisting frame 41
4 rocking arm flexible connections are crossed, the both ends of the lift cylinder 42 are flexibly connected with Rear frame 3 and hoisting frame 41 respectively, 2 promotions
Oil cylinder 42 is flexibly connected commonly through lift cylinder support shaft 35 with Rear frame 3, and the lift cylinder 42 is obliquely installed.This promotion
Device promotes form using double oil cylinders, effectively improves the robust motion of hoisting frame 41 in lifting process.2 front arms 43 are symmetrical
It is arranged in one end of hoisting frame 41, in addition 2 rear arms 44 are symmetricly set on the other end of hoisting frame 41.The lift cylinder 42
It is flexibly connected with the hoisting frame 41 by the same axis pin with front arm 43.The side opposite with hoisting frame 41 of rear cross beam 31 is set
Flexible limited block 38, when the hoisting frame 41 rises to extreme higher position, the elastic spacing block 38 offsets with hoisting frame 41.Institute
The side opposite with hoisting frame 41 of rear cross beam 31 is stated equipped with 2 promotion connecting seats 34, the front arm 43 and promotion connecting seat 34
Axis pin connects.2 front arms 43 are connected with 2 lift cylinders 42 by same axis pin, and the other end of 2 lift cylinders 42 passes through
Lift cylinder support shaft 35 connects, and is thusly-formed four-bar linkage structure.The width of front arm 43 is more than the width of rear arm 44, front and back
Rocking arm arrangement is reduced 41 amount of being swung left and right of hoisting frame, it is running to be effectively improved vehicle using preceding wide, rear narrow form
Stability.This lifting device can realize parallel promotion, parallel landing, large carrying capacity, fortune using double double leval jib forms of motion
Dynamic steady, reliable operation is simple in structure.
When lifting device is in original state, lift cylinder 42 does not extend out, and lift cylinder 42 is in most short status, hoisting frame
41 are in extreme lower position, and high temperature aluminum water packet 7 can be placed on to 41 top of hoisting frame at this time, then start lift cylinder 42, carry
It rises device and starts lifting process, lift cylinder 42 gradually stretches out, and the thrust of lift cylinder 42 is in front arm 43 and promotion oil
On the shared axis pin of cylinder 42, under 42 thrust of lift cylinder, axis pin drives front arm 43 to be swung by front arm, and driving carries
It rises frame 41 to move up, while rear arm 44, under the drive of hoisting frame 41, axis pin of the lower end around 44 lower end of rear arm moves, and upper end is around rear
The axis pin of 4 upper end of Rocker arm 4 is swung.Whole process lift cylinder 42 constantly stretches out, and hoisting frame 41 constantly increases from low to high.It is promoted
When oil cylinder 42 all stretches out, front arm 43, rear arm 44 reach maximum pendulum angle, and hoisting frame 41 reaches final position, hoisting frame
41 fronts contact and limit with limit rubber block 13, and one end of hoisting frame 41 is equipped with block, and rear cross beam 31 is equipped with to be formed and control
Valve 510, when hoisting frame 41 rises to extreme higher position, the block 45 on hoisting frame 41 acts on the valve rod of Stroke Control 510, complete
At lifting device lifting process, elastic spacing block 38 is arranged in 3 front of Rear frame, and hoisting frame 41 relies on when rising to highest position
On elastic spacing block 38, the bearing stability of hoisting frame 41 is enhanced, improves the functional reliability of lifting device.Promote dress
When setting landing (return), lift cylinder 42 is gradually shortened, and 42 pulling force effect of lift cylinder is on axis pin, in 42 pulling force of lift cylinder
Under effect, 43 backswing of front arm, driving hoisting frame 41 moves down, while rear arm 44 is reversely put under the drive of hoisting frame 41
It is dynamic.Whole process lift cylinder 42 constantly shortens, and hoisting frame 41 constantly reduces from high to low, until the arrival of lift cylinder 42 is most short
Position, hoisting frame 41 reach minimum initial position.When the hoisting frame 41 rises to extreme higher position, front arm 43 and rear arm 44
It is perpendicular to the ground, to reduce stress of the lift cylinder 42 in transportational process, extend the service life of lift cylinder 42.
As shown in figure 4, hydraulic system includes the first oil pump 52, the second oil pump 53, turning gradient control valve 54, steering gear 55, work
Make oil circuit pilot operated valve device 57, hand control valve 58, promote manipulation valve 59, stroke control valve 510 and protection oil cylinder 511.
The inlet port of first oil pump 52 is connect with fuel tank 51, and the actuator port of first oil pump 52 and steering are preferential
The oil inlet P of valve 54 connects;
The actuator port CF of the actuator port CF connections steering gear 55 of the turning gradient control valve 54, the elder generation of turning gradient control valve 54
The oil return inlet T of the guide hydraulic fluid port LS of oil diverting port LS connections steering gear 55, turning gradient control valve 54 connect fuel tank 51;In the steering system
Turning gradient control valve 54 is used, can realize that Vehicular turn is flexible, turning radius is small, manipulates light, vehicle operation maneuverability;
The left actuator port L of steering cylinder 56 on the right side of the right actuator port R connections of the steering gear 55, steering gear 55 connects
The steering cylinder 56 in left side is connect, the oil return inlet T of steering gear 55 connects fuel tank 51;
The oil inlet of second oil pump 53 is connect with fuel tank 51, actuator port and the working oil path hydraulic control of the second oil pump 53
The oil inlet P connection of the control mouth K and hand control valve 58 of valve 57;
The oil inlet P of working oil path pilot operated valve device 57 is connect with the actuator port EF of turning gradient control valve 54, working oil path hydraulic control
The actuator port A of valve 57 is connect with the oil inlet for promoting manipulation valve 59, the oil return inlet T connection oil of working oil path pilot operated valve device 57
Case 51;
The oil return inlet T of the hand control valve 58 connects fuel tank 51;
The actuator port for promoting manipulation valve 59 includes actuator port A and actuator port B, promotes the work for manipulating valve 59
Hydraulic fluid port A is connect with the oil inlet P of stroke control valve 510, promotes the oil return inlet T connection fuel tank 51 for manipulating valve 59;
The actuator port A of stroke control valve 510 is connect with the actuator port A of protection oil cylinder 511, stroke control valve 510
Oil return inlet T with connect fuel tank 51;
The actuator port A and actuator port B of the protection oil cylinder 511 are separately connected fuel tank 51;
The hydraulic system further includes bidirectional hydraulic lock 512, and the bidirectional hydraulic lock 512 is fixed with lift cylinder 42 to be connected
It connects, the actuator port A for promoting manipulation valve 59 is connect with one of bidirectional hydraulic lock 512, promotes the actuator port B for manipulating valve 59
It is connect with another bidirectional hydraulic lock 512.
When hydraulic work system, the high pressure liquid pressure oil of the first oil pump 52 output is transported to turning gradient control valve by fluid pressure line
54 P mouths, the P by the EF mouths of turning gradient control valve 54 Jing Guo working oil path pilot operated valve device 57 make a slip of the tongue T mouthfuls of oil return boxes 51;When vehicle turns
Xiang Shi is controlled by the LS of steering gear 55, is made the preferential supply steering gear 55 of output oil of the first oil pump 52, is preferentially met vehicle and turn
To reduce transport vehicle turning radius.
The working condition of lift cylinder 42 drives working oil path pilot operated valve device 57 to realize by manipulating hand control valve 58, when carrying
When oil-lifting jar 42 does not need work, the hydraulic oil of the second oil pump 53 output is turned to by 58 direct oil return box 51 of hand control valve
By 57 direct oil return box 51 of working oil path pilot operated valve device, lift cylinder 42 does not work the hydraulic oil of the EF mouths output of pressure-gradient control valve 54,
It is promoted and manipulates valve 59 in maloperation or when accidentallyying run into, lift cylinder 42 does not act;When lift cylinder 42 needs work,
The hydraulic oil of second oil pump 53 output is replaced by manipulating hand control valve 58, and pressure makes hydraulic oil enter working oil path pilot operated valve device
57 K mouths, driving working oil path pilot operated valve device 57 replace, and the hydraulic oil of the EF mouths output of turning gradient control valve 54 passes through working oil path liquid
Control valve 57 can control hydraulic oil and enter lift cylinder 42, drive system into manipulation valve 59, manipulation promotion manipulation valve 59 is promoted
It is promoted and is landed;When lifting system reaches setting position, opening travel control valve 510, hydraulic oil enters protection oil cylinder 511 simultaneously
Drive cylinder extends, and protective plate 513 is driven to implement safeguard function.When lifting system leaves setting position, driving trip control
Valve 510 resets, and protection 511 hydraulic oil of oil cylinder connects oil return box 51, and protection oil cylinder 511 resets, and releases safeguard function.
Bidirectional hydraulic lock 512 is rigidly connected with lift cylinder 42, and bidirectional hydraulic lock 512 only can under pressure control
Work is opened simultaneously, when external oil feed line damages, 42 internal oil of lift cylinder cannot form cycle, and lift cylinder 42 is not
It can voluntarily act, it is ensured that lifting system safety.
As shown in Figure 1, protection oil cylinder 511 is vertically mounted on the crossbeam 31 of Rear frame 3, one end of protection oil cylinder 511 is logical
It crosses axis pin to connect with protective plate 513, protective plate 513 is the structure of inner panel and outside plate suit, and inner panel is fixedly connected on rear cross beam 31
On, when high temperature aluminum water packet 7 is raised to highest position by lifting device, protection oil cylinder 511 stretches out and drives protective plate 513
Outside plate increases, and the protective plate 513 after raising can play a protective role to driver's cabin.
As shown in figure 5, driven suspension arrangement includes driven vehicle bridge support shaft 36, babinet 61, wheel shaft 62, wheel hub 63, wheel
64 and caging bolt 65, the driven vehicle bridge support shaft 36 be welded as a whole with Rear frame 3, the babinet 61 be 2, and point
Not hinged with the both ends of driven vehicle bridge support shaft 36, babinet 61 is box welding structure, and wheel shaft 62 is fixedly connected on babinet 61
Both ends, wheel hub 63 are movably connected on wheel shaft 62, and wheel 64 is fixed on wheel hub 63, and 3 both sides of Rear frame are respectively equipped with 4 wheels
64, each 2 of the both ends of babinet 61, the wheel 64 for being located at 3 the same side of Rear frame is symmetrical arranged about driven vehicle bridge support shaft 36.Institute
The both ends that caging bolt 65 is mounted on support shaft 36 are stated, the babinet 61 limits spiral shell between Rear frame 3 and caging bolt 65
Bolt 65 is for preventing babinet 61 from deviating from from driven vehicle bridge support shaft 36.
After the driven suspension arrangement, driven vehicle bridge support shaft 36 and Rear frame 3 are integrally welded, after effectively increasing
The integral strength of vehicle frame 3 improves its non-deformability, improves the bearing capacity of Rear frame 3.Suspension arrangement is propped up using unilateral
Wheel construction is supportted, in vehicle operation, wheel 64 will not cause the interference of suspension arrangement and Rear frame 3, be that Rear frame 3 improves by force
Degree provides necessary space;The babinet 61 of suspension mechanism uses box-structure, ensure that effectively improving for suspension intensity;
Driven vehicle bridge support shaft 36 and babinet 61 are articulated and connected, are independently installed, can in vehicle operation when encountering uneven road surface
Independently overcome or reduces caused by road injustice to vehicular impact.
When transport vehicle transports aluminum water packet 7, aluminum water packet 7 is placed in the upper surface of aluminum water bag support 71, aluminum water bag support 71
Support face lower part is the force effect face in 4 top hoisting frame of lifting device, 41 lifting process, and 71 supporting surface of aluminum water bag support has supporting leg
Support, during self-chambering, the lifting device 4 of transport vehicle is in extreme lower position state, and vehicle backing makes Rear frame 3 enter aluminum water packet
After holder 71 is in the following, reach specified position, control lifting device 4 rises, and aluminum water packet 7 and aluminum water bag support 71 is driven to carry simultaneously
It rises, after lift cylinder 41 all stretches out, lifting device 4 is reached home position, and vehicle reaches travel position;Reach appointed place
Afterwards, manipulate lifting device 4 lift cylinder 42 shrink, driving lifting device 4 reduce, reach extreme lower position after, vehicle smoothly from
Aluminum water bag support 71 is opened, self-unloading process is completed.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiment being appreciated that.