Compact down inserting type support leg device
Technical field
The utility model relates to a kind of support leg device, in particular, relates to a kind of compact down inserting type support leg device.
Background technology
Support leg device is main support parts of realizing the operation of hoisting crane class machine security, plays the vital function of stablizing whole machine security operation.
Usually the support leg device that adopts respectively has one leg mechanism in the vehicle body both sides at present.Each leg mechanism has a horizontal telescopic hydraulic cylinder and horizontal support legs, vertical support hydraulic actuating cylinder and vertical leg.It is overhanging together that horizontal telescopic hydraulic cylinder drives horizontal support legs drive vertical leg during lifting operation, shrinks when travelling; Vertical support Driven by Hydraulic Cylinder vertical leg supports vehicle body, shrinks when travelling.During expansion, horizontal support legs and vertical leg are formed the H type, and when being used for car to the car loading and unloading operation, because the vertical leg vertical support, the supporting leg span is little, and lifting leveling car body magnitude of misalignment is big, and exhibition is received and interfered with each other.Can't satisfy in the handing device amplitude range of car to the requirement of car loading and unloading operation and launch supporting leg, can only carry out car loading and unloading operation over the ground.And, be easy to generate lateral sliding in the lifting process, the job stabilization deficiency.
The utility model content
The utility model is in order to overcome weak point of the prior art, to provide a kind of and can either carry out car operation over the ground, can realizing the operation side by side of the little spacing of vehicle again, the supporting leg exhibition is received and is not interfered, the supporting leg span is big, and lifting leveling car body magnitude of misalignment is little, the compact down inserting type support leg device that stability is high.
The utility model is achieved through the following technical solutions:
A kind of compact down inserting type support leg device, it is characterized in that, comprise two support units, each support unit comprises fixed supporting seat, the level supporting seat that stretches, swinging kick, connecting rod, wobble drive mechanism, horizontal telescopic drive mechanism, the flexible supporting seat of described level is provided with the directional swing chute, the last fulcrum of described swinging kick is equipped with guide wheel, described guide wheel places in the described directional swing chute, the lower fulcrum of described swinging kick is hinged with a sole, the flexible supporting seat of described level is connected with horizontal telescopic drive mechanism, the drive spindle of described swinging kick and wobble drive mechanism is hinged, described connecting rod one end and described swinging kick are hinged, the other end and described fixed supporting seat are hinged, and the swinging kick of two support units is " eight " word shape after launching.
Described wobble drive mechanism is a hydraulic actuating cylinder, and the flexible supporting seat of the cylinder body of described hydraulic actuating cylinder and level is hinged, and the piston rod and the swinging kick of described hydraulic actuating cylinder are hinged.
Described horizontal telescopic drive mechanism is a hydraulic actuating cylinder.
The hinged center of described swinging kick and connecting rod is along being the center of circle with the connecting rod center of gyration, being to move on the circular arc of radius with the length of connecting rod.
The bottom of described directional swing chute is the corresponding shape of launching with a swinging kick and a sole of final stage perpendicular movement.
The utlity model has following technique effect:
Flexible and the slotting down swing structure combining design of compact down inserting type support leg device employing level of the present utility model, can either carry out car operation over the ground, can realize the operation side by side of the little spacing of vehicle again, supporting leg launches to draw in smoothly when having guaranteed car to the car loading and unloading operation, and job stabilization is good.Adopt unique down inserting type swinging kick design, swinging kick telescopic motion envelope interval is in adjacent vehicle carriage below fully under the standard parking spacing, does not interfere at the bottom of the insertion car, obtains big as far as possible supporting leg span.Swinging kick launches final stage and props up the sole perpendicular movement, guarantees the vertical lifting of car body, and the lateral sliding amount is little, is convenient to keep contraposition, and stability is high.
Description of drawings
Fig. 1 is the scheme drawing of a side support unit of the utility model compact down inserting type support leg device.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in detail.
The utility model compact down inserting type support leg device comprises two support units, Fig. 1 is the scheme drawing of a side support unit of the utility model compact down inserting type support leg device, each support unit comprises the flexible supporting seat 1 of fixed supporting seat 7, level, swinging kick 5, connecting rod 4, wobble drive mechanism 3, horizontal telescopic drive mechanism 8, the flexible supporting seat 1 of level is provided with directional swing chute 2, the last fulcrum of swinging kick 5 is equipped with guide wheel 9, guide wheel 9 places in the directional swing chute 2, and the lower fulcrum of swinging kick is hinged with a sole 6.The flexible supporting seat 1 of level is connected with horizontal telescopic drive mechanism 8, and the drive spindle of swinging kick 5 and wobble drive mechanism 3 is hinged, and connecting rod 4 one ends and swinging kick 5 are hinged, and the other end and fixed supporting seat 7 are hinged, are " eight " word shape after the swinging kick expansion of two support units.Back retraction fixed supporting seat 7 inside are drawn on flexible supporting seat 1 top of level in, and the bottom of swinging kick 5, connecting rod 4, the flexible supporting seat 1 of level is drawn back retraction body bottom section in.In the present embodiment, wobble drive mechanism 3 is a hydraulic actuating cylinder, and the flexible supporting seat of the cylinder body of oscillating motor and level is hinged, and the piston rod and the swinging kick of oscillating motor are hinged.Horizontal telescopic drive mechanism 8 is a hydraulic actuating cylinder.
Stability when guaranteeing car to the car loading and unloading operation, the below that requires supporting leg can insert adjacent car is to obtain big as far as possible supporting leg span.Wherein, the hinged center of swinging kick 5 and connecting rod 4 is along being the center of circle with the connecting rod center of gyration, being to move on the circular arc of radius with the length of connecting rod.The bottom of directional swing chute 2 is the corresponding shape of launching with a swinging kick and a sole of final stage perpendicular movement.
When charge and discharge operations, the supporting leg expansion process is: the flexible supporting seat level of horizontal telescopic drive mechanism's driving level is stretched out, stretch out put in place after, under the effect of wobble drive mechanism, swinging kick and connecting rod hinged center along being the center of circle with the connecting rod center of gyration, being to move on the circular arc of radius with the length of connecting rod, the center of the last fulcrum of swinging kick is along stretch directional swing chute central slide on the supporting seat of level.By optimal design to the directional swing chute, make a swinging kick and a sole in the final stage perpendicular movement of launching, guarantee the vertical lifting of loading-unloading vehicle car body, avoid supporting leg to produce lateral sliding and bring additional resistance to system.The swinging kick of two support units is " eight " word shape after launching, and does not interfere at the bottom of the insertion adjacent vehicle.During gathering, wobble drive mechanism drives swinging kick, connecting rod resets, the flexible supporting seat horizontal direction of horizontal telescopic drive mechanism's drive level resets, back retraction fixed supporting seat inside is drawn on the flexible supporting seat top of level in, and the bottom of swinging kick, connecting rod, the flexible supporting seat of level is drawn back retraction body bottom section in.Car operation over the ground can either be carried out, the operation side by side of the little spacing of vehicle can be realized again.
Although relate to a kind of compact down inserting type support leg device and carried out special description disclosed with reference to embodiment, embodiment described above is illustrative and not restrictive, under the situation that does not break away from spirit and scope of the present utility model, all variations and modification are all within scope of the present utility model.