A kind of swing lift
The present invention relates to container vehicle technical field, specifically a kind of swing lift for transferring containers with Self-loading & self-unloading function.
Freight container, refer to that having certain rigidity, intensity and dimensions specializes in the large-scale goods container that turnover is used, use container transshipment goods, can be directly in the loading of shipper's warehouse, transport to consignee's warehouse unloading, more change trains midway, ship time, without goods is taken out in case, can directly whole container crane be transported on car and boat.Due to freight container and in-built cargo mass larger, when carrying out the transfer of freight container, need to freight container be sling by specialized equipments such as crane or forklift fork trucks.Under this branch mode, need to rent separately other weight-lifting equipment, increased the cost of transportation, and higher to the dependence of working environment.Particularly, when transport vehicle occurs that unforeseen circumstances can not be walked, Transhipment Cargo is very important to the reaching on the time of goods timely.Therefore be badly in need of a kind of swing lift with Self-loading & self-unloading function, for freight container is filled onboard, and be transported to behind appointed place, freight container is unloaded.As the automated container handling special vehicle of Chinese patent 201120055897X announcement, in the bottom of loading-unloading vehicle, fix four elevating rams, in the bottom that is positioned over the freight container carriage on loading-unloading vehicle vehicle frame, fix four supporting components, by elevating ram, car body and freight container are given rise to certain altitude, then supporting component is fallen and supported on the ground, then driving elevating ram piston rod to retract makes car body separated with container base, now, just loading-unloading vehicle can be outputed from container base, also just completed the unloading operation of freight container.Under this unloading manner, elevating ram need to give rise to certain altitude by whole loading-unloading vehicle car body and freight container, and consumption of power is larger, and propulsion source is had relatively high expectations.
Summary of the invention
The object of the present invention is to provide a kind of swing lift with Self-loading & self-unloading function, need the problem of independent adapted weight-lifting equipment when solving existing loading-unloading vehicle unload containers.
The present invention solves the technical scheme that its technical matters takes: a kind of swing lift, comprise car body, vehicle frame and elevating ram, and for the described vehicle frame of bearing container, be fixed on described walking vehicle body, it is characterized in that,
Four edges at described vehicle frame upwards extend respectively a guidepost from vehicle frame upper surface, one stay bearing plate be placed on vehicle frame upper surface and with guidepost bearing fit, in the left and right sides of described stay bearing plate, fix respectively that two front and back distribute and the vertical elevating ram of placing, and drive during the action of described elevating ram stay bearing plate along guidepost slide up and down and with vehicle frame contact or separated;
On described stay bearing plate, place the transfer carriage of a framed structure, be respectively equipped with the passage that two front and back are arranged in the both sides of described transfer carriage, a supporting leg is nested with in described passage; Described supporting leg comprise be articulated and connected for the first supporting leg of contacting with ground and lift the second supporting leg of freight container; Two supporting legs have into and when in-line is arranged and be nested with in chute, make the primary importance of supporting leg in folded state, mutually vertical and make the second place of supporting leg in holding state while pegging graft at least one bearing pin at two supporting leg articulated position places with two supporting legs; At the free end of described the second supporting leg, be provided with one and prevent the limiting stopper that the second supporting leg comes off from passage.
Further, the length and width size of described stay bearing plate is greater than respectively the length and width size of vehicle frame.
Further, in the both sides of described stay bearing plate, fix respectively two oil cylinder connecting elements, the cylinder barrel of described elevating ram is vertically fixed on oil cylinder connecting element.
Further, at the free end of described elevating ram piston rod, fix a circular cushion block contacting with ground.
Further, described the first supporting leg and the second supporting leg are square steel part.
Further, at the free end of described the first supporting leg, fix a circular cushion block contacting with ground.
Further, on described cushion block, be provided with a tapped bore for coordinating with bolt, and described bolt screw rod free end extend in transfer carriage and supporting leg is fixed on freight container.
The invention has the beneficial effects as follows: swing lift provided by the invention, the stay bearing plate that is slidably installed on vehicle frame top, at the both sides of stay bearing plate fixed installation elevating ram, drives stay bearing plate to slide up and down along vehicle frame by elevating ram; On stay bearing plate, place transfer carriage, in transfer carriage, be nested with four supporting legs, when elevating ram piston rod stretches out, by supporting leg, support transfer carriage and be placed on the freight container on transfer carriage, now loading-unloading vehicle being outputed to the unloading realizing freight container from freight container bottom; The present invention has avoided being equipped with weight-lifting equipment and has carried out the problem that the unloading of freight container and cost that loading brings increase, and during loading and unloading freight container, flexible movements, work efficiency is high.
Accompanying drawing explanation
Fig. 1 is that vehicle frame of the present invention coordinates schematic diagram with stay bearing plate;
Fig. 2 is the birds-eye view of Fig. 1;
Fig. 3 is two of vehicle frame and stay bearing plate mated condition;
Fig. 4 is the front schematic view of transfer carriage of the present invention;
Fig. 5 is one of transfer carriage, vehicle frame and stay bearing plate mated condition;
Fig. 6 is two of transfer carriage, vehicle frame and stay bearing plate mated condition;
Fig. 7 is the folded state schematic diagram of supporting leg in transfer carriage;
Fig. 8 is one of the present invention's application schematic diagram;
Fig. 9 is two of the present invention's application schematic diagram;
Figure 10 is the right elevation of Fig. 9;
Figure 11 is for implementing two schematic diagram;
In figure: 1 vehicle frame, 11 guideposts, 2 stay bearing plates, 21 chutes, 3 oil cylinder connecting elements, 4 elevating rams, 41 cushion blocks, 41 ' cushion block, 5 transfer carriages, 6 supporting legs, 61 first supporting legs, 62 second supporting legs, 63 limiting stoppers, 64 is hinged, 65 bearing pins, 66 through holes, 67 axis holes, 7 bolts, 8 gaps, 8 ' gap, 9 pipe links.
The specific embodiment
Loading-unloading vehicle of the present invention, except comprising the car body that existing vehicle all has, also comprises vehicle frame 1, stay bearing plate 2, oil cylinder connecting element 3, elevating ram 4 and transfer carriage 5, below in conjunction with accompanying drawing, describes the present invention.
As shown in Figure 1 to Figure 3, vehicle frame 1 is for to be fixedly mounted on car body and for supporting the metal piece of other parts and goods, on the top of vehicle frame 1, place a stay bearing plate 2, the metal sheet that stay bearing plate 2 is rectangle, and the size of stay bearing plate 2 is a bit larger tham the size of vehicle frame, in the left and right sides of stay bearing plate 2, fix respectively two oil cylinder connecting elements 3 of arranging along stay bearing plate front and back, on oil cylinder connecting element 3, fixedly mount a vertical elevating ram 4 of placing.Oil cylinder connecting element 3 essence are the installing component of elevating ram 4, and the shape of oil cylinder connecting element 3 is not subject to the restriction shown in figure, and any shape, structure also can vertically be fixed on elevating ram 4 oil cylinder connecting element on stay bearing plate 2 all within protection domain of the present invention.The cylinder barrel of elevating ram 4 is fixedly mounted on oil cylinder connecting element 3, and the piston rod of elevating ram 4 arranges towards ground, elevating ram 4 be arranged on Hydraulic Station on vehicle frame and carry out oil circuit and be connected.At elevating ram 4 piston rod free ends, fixedly mount a cushion block 41, cushion block 41 is circular metal piece, the area of contact increasing between elevating ram piston rod and ground by cushion block 41.When elevating ram 4 piston rods stretch out, under elevating ram drives, stay bearing plate 2 rises gradually and is separated with vehicle frame 1; When elevating ram 4 piston rods are retracted, stay bearing plate 2 declines gradually under piston rod drives.When rising and falling for assurance stay bearing plate 2, vertically move, and the initial position falling on carriage return frame 1, four edges at vehicle frame 1 are respectively equipped with a guidepost 11, corresponding position on stay bearing plate 2 is respectively equipped with a chute 21, and this guidepost 11 makes stay bearing plate 2 slide up and down along guidepost 11 with chute 21 bearing fits.
Transfer carriage 5 is for bearing container, and as shown in Fig. 4 to Fig. 8, transfer carriage 55 is channel-section steel weldment, some channel-section steel weld togethers is formed to the platform of bearing container.On some channel-section steels, be provided with corresponding through hole 66, some corresponding through holes 66 form two passages that are oppositely arranged, and are equipped with respectively a supporting leg 6 in two passages.Supporting leg 6 comprises the first supporting leg 61 and the second supporting leg 62, and this first supporting leg 61 and the second supporting leg 62 are rod member, and between the two by rotating shaft hinged 64 together, and the free end of the first supporting leg 61 fix a circular cushion block 41 contacting with ground '.Free end at the second supporting leg 62 is provided with a limiting stopper 63, and this limiting stopper 63 is for coordinating with the through hole being positioned on outmost channel-section steel, to prevent that the second supporting leg 62 from skidding off from channel-section steel.Articulated position place at the first supporting leg 61 and the second supporting leg 62 is respectively equipped with some corresponding axis holes 67, and when the first supporting leg 61 is with the second supporting leg 62 when vertical, axis hole on two supporting legs overlaps and arranges, now, one bearing pin 65 can be inserted in corresponding axis hole, just can the first supporting leg 61 and the second supporting leg 62 is fixing, now, the first supporting leg 61 and the second supporting leg 62 are in holding state, as shown in Fig. 5 or Fig. 9.When travelling position, supporting leg 6 is folded in transfer carriage 5, as shown in Figure 7, cushion block 41 ' on be provided with a tapped bore, by a bolt coordinating with tapped bore 7, the first supporting leg 61 is fixed on transfer carriage 5.
After transportation after a while, freight container is transported to specified point, and as shown in Figure 8, elevating ram 4 piston rods are in retracted mode, and supporting leg 6 is in folded state, as shown in Figure 7.Now need the freight container on loading-unloading vehicle to unload, so that other hauling operation is carried out in swing lift.As shown in Figure 3, drive elevating ram 4 actions, elevating ram 4 piston rods are stretched out, now stay bearing plate 2 is along guidepost 11 upward sliding gradually, until elevating ram 4 is while stopping moving, stay bearing plate 2 is given rise to certain altitude, and has a gap 8 between stay bearing plate 2 and vehicle frame 1.Then bolt 7 is unloaded, supporting leg 6 is extracted out from transfer carriage 5; Around hinge-point, rotate the first supporting leg 61 and make the first supporting leg 61 in vertical state, now, the axis hole on the first supporting leg 61 and the second supporting leg 62 correspondence positions overlaps, and a bearing pin 65 is inserted in above-mentioned axis hole, so that two supporting legs are relatively fixing; Then drive elevating ram 4 actions, elevating ram 4 piston rods are retracted gradually, now the transfer carriage on stay bearing plate 2 and stay bearing plate declines gradually, when cushion block 41 ' while contacting with ground, as shown in Figure 5, now, transfer carriage 5 relies on supporting leg 6 to fix on the ground; Elevating ram 4 piston rods continue to be retracted, until stay bearing plate 2 falls back on vehicle frame 1, as shown in Figure 6, now, between transfer carriage lower surface and stay bearing plate 2, have a gap 8 '; Then loading-unloading vehicle is outputed from transfer carriage bottom, just completed the unloading operation of freight container.During loading container, loading process is contrary with uninstall process, repeats no more.
As shown in figure 11, between the first supporting leg 61 and transfer carriage 5 bottoms, a pipe link 9 is set, this pipe link can further increase the stability between supporting leg and transfer carriage.