1. The utility model provides a storehouse bars formula transportation semitrailer, includes the carriage, its characterized in that: the utility model discloses a loading and unloading device, including carriage, back door, first spout, backup pad, second spout, second connecting axle, first connecting axle and second connecting axle, carriage rear end bottom articulates there is the back door, and the bottom is equipped with two first spouts in the carriage, back door one side is equipped with two second spouts, the second spout is corresponding with first spout, and sliding connection has loading and unloading device in the second spout, the back door lower end is equipped with the backup pad, the homonymy of back door is arranged in with the second spout to the backup pad, and is equipped with first connecting axle in the backup pad, the backup pad top is equipped with the second connecting axle, first connecting axle and second connecting axle all are used for connecting fixed rope, fix loading and unloading device through fixed rope, carriage rear end bottom is equipped with a plurality of support hydro-cylinders, support the back door when the support hydro-cylinder is used for loading and unloading goods.

2. The bin gate transport semitrailer of claim 1, wherein: the back door includes door frame and door plant, the middle part is equipped with the back shaft in the door frame, and the door frame bottom is articulated mutually with the carriage, the door plant rotates with the back shaft to be connected, and the door plant can be at the door frame internal rotation, both sides all are equipped with the locking axle around the door plant, both sides all are equipped with first locking and detain around the carriage rear end, be equipped with second locking on the door frame and detain, the homonymy is arranged in with the second spout to locking axle and second locking and detain, first locking is detained and second locking is detained and all is locked the axle phase-match.

3. The bin gate transport semitrailer of claim 1, wherein: handling device includes the base, the base bottom is equipped with electronic gyro wheel, and the top is equipped with the ring channel, sliding connection has annular slide rail in the ring channel, the annular slide rail top is equipped with the carousel, the carousel outside is equipped with the ring gear, the ring gear lateral part is equipped with the first gear with ring gear engaged with, first gear bottom transmission is connected with the motor, the motor is connected with the base, the carousel top is equipped with two first telescopic links, first telescopic link top is equipped with a supporting bench, a supporting bench top is equipped with the cantilever, cantilever one end bottom is equipped with the second telescopic link, and the other end is equipped with the balancing weight, second telescopic link bottom is equipped with grabbing device.

4. The bin gate transport semitrailer of claim 3, wherein: grabbing device includes the connecting plate, the connecting plate top is connected with the flexible end of second telescopic link, and the bottom middle part is equipped with the third telescopic link, and the bottom both sides all are equipped with the bracing piece, the bracing piece bottom is equipped with the connecting block, connecting block middle part upper end is equipped with the sliding hole, and the lower extreme is equipped with the mounting hole, third telescopic link bottom is equipped with the rack, the rack can all remove in sliding hole and mounting hole, and the rack both sides all are equipped with the driving gear, both sides all rotate in the mounting hole and are connected with the axis of rotation, axis of rotation one end is equipped with the second gear with rack phase engagement, and the other end is equipped with to press from both sides gets the arm, and two clamp are got the arm bottom opposite side and are equipped with and press from both sides tight piece.

5. The bin gate transport semitrailer of claim 3, wherein: the first sliding groove and the second sliding groove are matched with the electric roller.

Background

A semitrailer is a trailer whose axle is placed behind the center of gravity of the vehicle and which is equipped with a coupling device that can transmit horizontal and vertical forces to the tractor. Semitrailers are generally heavy transport vehicles with a towing pin connected to the trailer head. Semitrailer generally all needs the manual work to carry when loading goods, because the length of semitrailer is longer, and is capacious, and the goods that can bear are many, need consume a large amount of time and manpower when leading to loading goods, reduces the efficiency of transportation. And also requires manpower when unloading the transported goods. Although there are self-unloading semitrailers, most of them use lifting columns to lift the carriage and slide the cargo off the carriage, but they are not easy to unload fragile cargo.

Disclosure of Invention

The invention aims to provide a warehouse type transportation semitrailer which is simple in structure and convenient to operate, goods can be conveniently loaded and unloaded through a loading and unloading device, and the loading and unloading device can be placed on a rear door and is convenient to carry.

The utility model provides a warehouse style transportation semitrailer, includes the carriage, carriage rear end bottom articulates there is the back door, and the bottom is equipped with two first spouts in the carriage, back door one side is equipped with two second spouts, the second spout is corresponding with first spout, and sliding connection has handling device in the second spout, the back door lower end is equipped with the backup pad, the homonymy of back door is arranged in with the second spout to the backup pad, be equipped with first connecting axle in the backup pad, and the backup pad top is equipped with the second connecting axle, and first connecting axle and second connecting axle all are used for connecting fixed rope, fix handling device through fixed rope, carriage rear end bottom is equipped with a plurality of support cylinder, support cylinder supports the back door when being used for loading and unloading goods.

Preferably, the back door includes door frame and door plant, the middle part is equipped with the back shaft in the door frame, and the door frame bottom is articulated mutually with the carriage, the door plant rotates with the back shaft to be connected, and the door plant can be at the door frame internal rotation, both sides all are equipped with the locking axle around the door plant, both sides all are equipped with first locking and detain around the carriage rear end, be equipped with second locking on the door frame and detain, the homonymy is arranged in with the second spout to locking axle and second locking and detain, first locking is detained and second locking is detained and all is locked the axle phase-match.

Preferably, the assembling and disassembling device comprises a base, the bottom of the base is provided with an electric roller, the top end of the base is provided with an annular groove, an annular slide rail is connected in the annular groove in a sliding manner, a rotary table is arranged at the top end of the annular slide rail, a gear ring is arranged on the outer side of the rotary table, a first gear meshed with the gear ring is arranged on the side part of the gear ring, the bottom of the first gear is connected with a motor in a transmission way, the motor is connected with the base, two first telescopic rods are arranged at the top end of the rotary table, a supporting table is arranged at the top end of each first telescopic rod, the top end of the support table is provided with a cantilever, the bottom of one end of the cantilever is provided with a second telescopic rod, the other end of the cantilever is provided with a balancing weight, the bottom of the second telescopic rod is provided with a grabbing device, the motor drives the first gear to rotate, the first gear drives the rotary table to rotate, and the rotary table drives the cantilever to rotate, so that the grabbing device can take and place goods at any position in the carriage.

Preferably, the gripping device comprises a connecting plate, the top end of the connecting plate is connected with the telescopic end of the second telescopic rod, the middle part of the bottom end is provided with a third telescopic rod, two sides of the bottom end are respectively provided with a support rod, the bottom of the support rod is provided with a connecting block, the upper end of the middle part of the connecting block is provided with a sliding hole, the lower end of the connecting block is provided with a mounting hole, the bottom of the third telescopic rod is provided with a rack, the rack can move in the sliding hole and the mounting hole, two sides of the rack are respectively provided with a transmission gear, two sides in the mounting hole are respectively and rotatably connected with a rotating shaft, one end of the rotating shaft is provided with a second gear meshed with the rack, the other end of the rotating shaft is provided with a gripping arm, the opposite sides of the bottoms of the two gripping arms are provided with a clamping block, when the gripping device loads and, the third telescopic link shortens, drives the rack and moves up, and the rack drives second gear antiport, makes two clamp get the arm and drives the clamp block and be close to each other and press from both sides the goods tightly.

Preferably, the first sliding groove and the second sliding groove are matched with the electric roller, and the loading and unloading device moves in the first sliding groove and the second sliding groove to prevent the loading and unloading device from changing the moving direction in the carriage to collide with the carriage.

The invention also comprises other steps which can ensure that the bin grid type transport semi-trailer can be normally used, and the steps are conventional technical means in the field. In addition, the technical means which are not limited in the invention adopt the conventional technical means in the field.

When the invention is used and goods need to be loaded and unloaded, the piston rod of the supporting oil cylinder extends to separate the locking shaft from the first locking buckle and the second locking buckle, the back door is opened, the door plate rotates around the supporting shaft, the loading and unloading device is arranged at the upper end of the door plate, the supporting oil cylinder supports the back door, the end of the second chute far away from the loading and unloading device is combined with the first chute, the loading and unloading device moves in the first chute and the second chute to load and unload the goods, when the grabbing device loads and unloads the goods, the extension of second telescopic link drives grabbing device and moves down, and the extension of third telescopic link drives the rack and moves down, and the rack drives the second gear rotation, makes two clamp get the arm and drives to press from both sides tight piece and keep away from each other, places the goods in the carriage or prepares to snatch the goods, and the third telescopic link shortens, drives the rack and moves up, and the rack drives second gear counter-rotation, makes two clamp get the arm and drive to press from both sides tight piece and be close to each other and press from both sides the goods tightly.

Cargo handling accomplishes, when needing to close the back door, makes first telescopic link and second telescopic link shorten, connects fixed rope on first connecting axle and second connecting axle, fixes handling device through fixed rope, lifts up the door frame of back door, because the door plant receives handling device's effect of gravity, the door plant rotates around the back shaft, handling device arranges the carriage outside in, combines together the locking shaft on the door plant with first locking knot and second locking knot, fixes the back door.

The invention has the advantages of simple structure, convenient operation, convenient cargo loading and unloading through the loading and unloading device, and convenient carrying because the loading and unloading device can be placed on the back door.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic view showing the overall structure of the rear door of the present invention in an open state;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a schematic view of the construction of the back door of the present invention;

FIG. 4 is a right side view of the rear door of the present invention in a closed state;

FIG. 5 is a schematic view of the structure of the handling device of the present invention;

fig. 6 is a schematic structural view of the grasping apparatus of the present invention.

Detailed Description

The present invention will be described more clearly with reference to specific embodiments, which are provided herein for the purpose of illustration only and are not to be construed as limiting the invention. All other embodiments, which can be obtained by those skilled in the art without any inventive step based on the embodiments of the present invention, should be included in the scope of the present invention.

Examples

As shown in fig. 1-6, a storage rack formula transportation semitrailer, includes carriage 1, 1 rear end bottom in carriage articulates there is back door 4, and the bottom is equipped with two first spouts 6 in carriage 1, back door 4 one side is equipped with two second spouts 5, second spout 5 is corresponding with first spout 6, and sliding connection has handling device 3 in the second spout 5, 4 lower extremes of back door is equipped with backup pad 9, the homonymy is arranged in with second spout 5 in backup pad 9, be equipped with first connecting axle in the backup pad 9, and the backup pad 9 top is equipped with second connecting axle 7, and first connecting axle and second connecting axle 7 all are used for connecting fixed rope, fix handling device 3 through fixed rope, 1 rear end bottom in carriage is equipped with a plurality of support hydro-cylinders 2, support hydro-cylinder 2 supports back door 4 when being used for goods.

Back door 4 includes door frame 21 and door plant 22, the middle part is equipped with the back shaft in the door frame 21, and door frame 21 bottom is articulated mutually with carriage 1, door plant 22 rotates with the back shaft to be connected, and door plant 22 can be at the door frame internal rotation, both sides all are equipped with locking axle 8 around the door plant 22, both sides all are equipped with first locking and detain around 1 rear end in carriage, be equipped with second locking on the door frame 21 and detain, homonymy is arranged in with second spout 5 to locking axle 8 and second locking and detain, first locking is detained and the second locking is detained and all is locked 8 phase-matchs.

The handling device 3 comprises a base 31, wherein the bottom of the base 31 is provided with electric rollers, the top end of the base 31 is provided with an annular groove (not shown in the figure), the annular groove is connected with an annular slide rail in a sliding manner, the top end of the annular slide rail is provided with a turntable 310, the outer side of the turntable 310 is provided with a gear ring 32, the side part of the gear ring 32 is provided with a first gear 34 meshed with the gear ring 32, the bottom of the first gear 34 is connected with a motor 33 in a transmission manner, the motor 33 is connected with the base 31, the top end of the turntable 310 is provided with two first telescopic rods 39, the top end of the first telescopic rod 39 is provided with a support table 38, the top end of the support table 38 is provided with a cantilever 37, the bottom of one end of the cantilever 37 is provided with a second telescopic rod 36, the other end of the cantilever is provided with a counterweight block 311, the bottom of the second telescopic rod 36 is provided with a gripping device 35, the motor 33 drives the first gear 34 to rotate, and the first gear 34 drives the turntable 310 to rotate, the turntable 310 drives the cantilever 37 to rotate, so that the gripping device 35 can take and place goods at any position in the carriage 1.

The gripping device 35 comprises a connecting plate 41, the top end of the connecting plate 41 is connected with the telescopic end of the second telescopic rod 36, the middle part of the bottom end is provided with a third telescopic rod 42, two sides of the bottom end are respectively provided with a support rod 48, the bottom of the support rod 48 is provided with a connecting block 47, the upper end of the middle part of the connecting block 47 is provided with a sliding hole, the lower end of the middle part of the connecting block 47 is provided with a mounting hole, the bottom of the third telescopic rod 42 is provided with a rack 43, the rack 43 can move in the sliding hole and the mounting hole, two sides of the rack 43 are respectively provided with a transmission gear, two sides of the mounting hole are respectively and rotatably connected with a rotating shaft, one end of the rotating shaft is provided with a second gear 44 meshed with the rack 43, the other end of the rotating shaft is provided with a gripping arm 45, the opposite sides of the bottom ends of the two gripping arms 45 are provided with a clamping block 46, when the gripping device 35 loads and unloads goods, the third telescopic rod 42 extends to drive the rack 43 to move downwards, the rack 43 drives the second gear 44 to rotate, make two clamp arms 45 drive and press from both sides tight block 46 and keep away from each other, place the goods in carriage 1 or prepare to snatch the goods, third telescopic link 42 shortens, drives rack 43 and shifts up, and rack 43 drives second gear 44 counter-rotation, makes two clamp arms 45 drive and press from both sides tight block 46 and be close to each other and press from both sides the goods tightly.

The first sliding groove 6 and the second sliding groove 5 are matched with the electric roller, and the loading and unloading device 3 moves in the first sliding groove 6 and the second sliding groove 5, so that the loading and unloading device 3 is prevented from moving in the carriage 1 and changing the direction to collide the carriage.

When the invention is used and goods need to be loaded and unloaded, the piston rod of the supporting oil cylinder 2 extends to separate the locking shaft 8 from the first locking buckle and the second locking buckle, the back door 4 is opened, the door plate 22 rotates around the supporting shaft, the loading and unloading device 3 is arranged at the upper end of the door plate 22, the supporting oil cylinder 2 supports the back door 4, the end of the second chute 5 far away from the loading and unloading device 3 is combined with the first chute 6, the loading and unloading device 3 moves in the first chute 6 and the second chute 5 to load and unload the goods, when the goods are loaded and unloaded by the grabbing device 35, the second telescopic rod 36 extends to drive the grabbing device 35 to move downwards, the third telescopic rod 42 extends to drive the rack 43 to move downwards, the rack 43 drives the second gear 44 to rotate, the two clamping arms 45 drive the clamping blocks 46 to move away from each other to place the goods in the carriage 1 or prepare for grabbing the goods, the third telescopic rod 42 is shortened to drive the rack 43 to move upwards, the rack 43 drives the second gear 44 to rotate reversely, the two gripping arms 45 bring the gripping blocks 46 close to each other to grip the goods.

Cargo handling is accomplished, when needing to close back door 4, make first telescopic link 39 and second telescopic link 36 shorten, connect fixed rope on first connecting axle and second connecting axle 7, fix handling device 3 through fixed rope, lift door frame 21 of back door 4, because door plant 22 receives the effect of handling device 3's gravity, door plant 22 rotates around the back shaft, handling device 3 arranges the carriage 1 outside in, combine together with first locking knot and second locking knot with locking axle 8 on the door plant 22, fix back door 4.

Having described embodiments of the present invention, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the illustrated embodiments.