Lifting plate linkage structure for shuttle vehicle

Abstract

The lifting plate linkage structure comprises a lifting block, a fixing block, a vertical front limiting arm and a vertical rear limiting arm, the lifting block is located over the fixing block, and the front limiting arm and the rear limiting arm are located on the front side and the rear side of the lifting block and the front side and the rear side of the fixing block respectively. The front end and the rear end of the fixed block are connected with the lower ends of the front limiting arm and the rear limiting arm through a parallel connecting rod group a and a parallel connecting rod group b respectively. Through the linkage relation among the connecting rods, the front limiting arm and the rear limiting arm penetrate through the lifting plate and the two sides, in the advancing direction, of the tray anti-deviation foot when the lifting plate of the shuttle vehicle conducts lifting motion upwards, and the situation that a tray deviates on the lifting plate can be effectively avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of intelligent stereoscopic storage, more specifically to a lifting plate linkage structure for a shuttle vehicle. BACKGROUND

[0002] The two-way or four-way shuttle vehicle used in stereoscopic storage lifts the goods upward by the lifting plate when carrying the storage tray type goods, but due to the rack track error, scratching the rack column and other problems, there is a risk of tray and goods deviation, the prior art is to prevent the tray from deviating by lifting the lifting plate of the shuttle vehicle, reducing the tray deviation, but it still cannot prevent the tray deviation phenomenon from occurring, so manual tray correction is required, affecting the stereoscopic storage work efficiency and increasing the labor cost. SUMMARY

[0003] The utility model discloses a lifting plate linkage structure for a shuttle vehicle, which overcomes the deficiencies in the prior art. The linkage relationship between the plurality of connecting rods enables the front limiting arm and the rear limiting arm to pass through the lifting plate on both sides of the tray deviation prevention foot along the direction of travel when the lifting plate of the shuttle vehicle is lifted upward, effectively preventing the tray from deviating on the lifting plate.

[0004] Technical scheme: To achieve the above-mentioned purpose, the lifting plate linkage structure for a shuttle vehicle of the utility model comprises a lifting block, a fixed block, a vertical front limiting arm and a vertical rear limiting arm, the lifting block is located directly above the fixed block, and the front limiting arm and the rear limiting arm are respectively located on the front and rear sides of the lifting block and the fixed block; the lower ends of the front limiting arm and the rear limiting arm are connected by a connecting rod a and a connecting rod b at the front and rear ends of the lifting block, and the lower ends of the front limiting arm and the rear limiting arm are connected by a parallel connecting rod group a and a parallel connecting rod group b at the front and rear ends of the fixed block.

[0005] Further, the connecting rod a and the connecting rod b are symmetrically arranged relative to the lifting block, one end of the connecting rod a and the connecting rod b is respectively hinged to the front and rear ends of the lifting block through a hinge a and a hinge b, and the other end of the connecting rod a and the connecting rod b is respectively hinged to the lower end of the front limiting arm and the lower end of the rear limiting arm through a hinge e and a hinge f.

[0006] Further, the parallel connecting rod group a and the parallel connecting rod group b are symmetrically arranged relative to the fixed block, one end of each connecting rod in the parallel connecting rod group a is sequentially hinged to the lower end of the front limiting arm along the vertical direction of the front limiting arm, and one end of each connecting rod in the parallel connecting rod group b is sequentially hinged to the lower end of the rear limiting arm along the vertical direction of the rear limiting arm.

[0007] Further, the parallel connecting rod group a comprises a connecting rod c and a connecting rod d arranged in parallel, one end of the connecting rod c and the connecting rod d is respectively hinged to the lower end of the front limiting arm through a hinge c and a hinge e, and the other end of the connecting rod c and the connecting rod d is respectively hinged to the front end of the fixed block through a hinge g and a hinge j.

[0008] Further, the b parallel linkage includes an e connecting rod and an f connecting rod arranged in parallel, one end of the e connecting rod and the f connecting rod is hinged to the lower end of the rear limiting arm through a d hinge and an f hinge respectively, and the other end of the e connecting rod and the f connecting rod is hinged to the rear end of the fixed block through an h hinge and a k hinge respectively.

[0009] Further, the lifting block and the fixed block are installed inside the shuttle vehicle, the shuttle vehicle includes a fixed frame and a lifting plate, the lifting plate is arranged at the upper portion of the shuttle vehicle, the upper end of the lifting block is fixed at the center of the lower end of the lifting plate, and the fixed block is fixed inside the fixed frame; a lifting driving device is arranged in the shuttle vehicle, the lifting driving device drives the lifting plate to vertically lift, and the lifting block vertically moves relative to the fixed block along with the vertical lifting of the lifting plate.

[0010] Beneficial effects: the lifting plate linkage structure for the shuttle vehicle can effectively avoid the deviation of the tray on the lifting plate by the linkage relationship between the multiple connecting rods, the front limiting arm and the rear limiting arm pass through the two sides of the tray anti-deviation foot along the advancing direction of the lifting plate when the lifting plate of the shuttle vehicle is upwardly lifted. BRIEF DESCRIPTION OF DRAWINGS

[0011] Fig. 1 It is a structural schematic view of the lifting plate linkage structure of the utility model;

[0012] Fig. 2 It is an installation schematic view of the lifting plate linkage structure and the shuttle vehicle of the utility model;

[0013] Fig. 3 It is a structural schematic view of the lifting plate linkage structure in the non-lifting state of the lifting plate of the utility model;

[0014] Fig. 4 It is a structural schematic view of the lifting plate linkage structure in the lifting state of the lifting plate of the utility model; DETAILED DESCRIPTION

[0015] The utility model will be further described below in combination with the drawings.

[0016] As shown in the accompanying drawings Figs. 1-4The lifting plate linkage structure for the shuttle vehicle comprises a lifting block 150, a fixed block 130, a vertical front limiting arm 110A and a vertical rear limiting arm 110B, the lifting block 150 is located directly above the fixed block 130, the lifting block 150 can move vertically relative to the fixed block 130, and the front limiting arm 110A and the rear limiting arm 110B are respectively located on the front and rear sides of the lifting block 150 and the fixed block 130; the front and rear ends of the lifting block 150 are respectively connected to the lower ends of the front limiting arm 110A and the rear limiting arm 110B through a connecting rod 160A and a connecting rod 160B, the front and rear ends of the fixed block 130 are connected to the lower ends of the front limiting arm 110A and the rear limiting arm 110B through a parallel connecting rod set 140A and a parallel connecting rod set 140B, and when the lifting block 150 moves vertically relative to the fixed block 130, the front limiting arm 110A and the rear limiting arm 110B are driven to move up and down synchronously relative to the fixed block 130 and approach each other under the linkage action of the connecting rod 160A, the connecting rod 160B, the parallel connecting rod set 140A and the parallel connecting rod set 140B.

[0017] The connecting rod 160A and the connecting rod 160B are symmetrically arranged relative to the lifting block 150, one end of the connecting rod 160A and the connecting rod 160B is respectively hinged to the front and rear ends of the lifting block 150 through an a hinge 170A and a b hinge 170B, and the other end of the connecting rod 160A and the connecting rod 160B is respectively hinged to the lower end of the front limiting arm 110A and the lower end of the rear limiting arm 110B through an e hinge 170E and an f hinge 170F.

[0018] The parallel connecting rod set 140A and the parallel connecting rod set 140B are symmetrically arranged relative to the fixed block 130, one end of each connecting rod in the parallel connecting rod set 140A is hinged to the lower end of the front limiting arm 110A in the vertical direction of the front limiting arm 110A, and one end of each connecting rod in the parallel connecting rod set 140B is hinged to the lower end of the rear limiting arm 110B in the vertical direction of the rear limiting arm 110B.

[0019] The a parallel linkage group 140A includes c linkage 160C and d linkage 160D arranged in parallel, one end of the c linkage 160C and the d linkage 160D is respectively hinged to the lower end of the front limiting arm 110A through the c hinge 170C and the e hinge 170E, the other end of the c linkage 160C and the d linkage 160D is respectively hinged to the front end of the fixed block 130 through the g hinge 170G and the j hinge 170J; the b parallel linkage group 140B includes e linkage 160E and f linkage 160F arranged in parallel, one end of the e linkage 160E and the f linkage 160F is respectively hinged to the lower end of the rear limiting arm 110B through the d hinge 170D and the f hinge 170F, the other end of the e linkage 160E and the f linkage 160F is respectively hinged to the rear end of the fixed block 130 through the h hinge 170H and the k hinge 170K, the c hinge 170C and the d hinge 170D are respectively located above the e hinge 170E and the f hinge 170F; the g hinge 170G, the j hinge 170J, the h hinge 170H and the k hinge 170K are arranged in a rectangular array on the fixed block 130, and the g hinge 170G and the h hinge 170H are respectively located above the j hinge 170J and the k hinge 170K.

[0020] The c hinge 170C, the e hinge 170E, the g hinge 170G and the j hinge 170J constitute four endpoints of a parallelogram, and the connecting line between the four endpoints constitutes a first parallelogram; the d hinge 170D, the f hinge 170F, the h hinge 170H and the k hinge 170K constitute four endpoints of a parallelogram, and the connecting line between the four endpoints constitutes a second parallelogram, the first parallelogram and the second parallelogram are symmetrically arranged in front and back with respect to the fixed block 130.

[0021] The a hinge 170A, the b hinge 170B, the e hinge 170E, the f hinge 170F, the j hinge 170J and the k hinge 170K constitute six endpoints of a hexagon, and the connecting line between the six endpoints constitutes a first hexagon, when the lifting block 150 moves vertically with respect to the fixed block 130, the lifting block 150 drives the front jaw 110A and the rear jaw 110B to move towards each other and simultaneously move upwards with respect to the fixed block 130 through the linkage relationship between the first parallelogram, the second parallelogram and the first hexagon.

[0022] The lifting block 150 and the fixed block 130 are installed inside the shuttle vehicle 30, the shuttle vehicle 30 comprises a fixed vehicle frame and a lifting plate 10, the lifting plate 10 is arranged at the upper part of the shuttle vehicle 30, the upper end of the shuttle vehicle 30 is detachably placed with a tray 40, the upper end of the lifting block 150 is fixed at the center of the lower end of the lifting plate 10, and the fixed block 130 is fixed inside the fixed vehicle frame; the lifting plate 10 is vertically lifted by a lifting driving device arranged in the shuttle vehicle 30, the lifting block 150 moves vertically upward relative to the fixed block 130 with the vertical lifting of the lifting plate 10, and the bottom of the tray 40 has a plurality of supporting feet 410, one of the plurality of supporting feet 410 close to the center of the tray 40 is recorded as an anti-deviation foot 420.

[0023] In the initial state, the plurality of trays 40 are all arranged on the shelves, and the goods are placed on each tray 40, and the lifting plate 10 at the upper part of the shuttle vehicle 30 is in a non-lifting state, the upper end of the front limiting arm 110A and the upper end of the rear limiting arm 110B are both lower than the lower end of the lifting plate 10, so that the shuttle vehicle 30 can move on the guide rail and smoothly shuttle under the tray 40.

[0024] The working principle of the lifting plate linkage structure of the shuttle vehicle: in the initial state, when the shuttle vehicle 30 moves to the lower part of any tray 40 along the guide rail, the lifting plate 10 is lifted by the lifting driving device of the shuttle vehicle 30, the lifting block 150 moves with the lifting movement of the lifting plate 10, and can move vertically upward relative to the fixed block 130; in the process of vertical upward movement of the lifting block 150, the lifting block 150 drives the front limiting arm 110A and the rear limiting arm 110B to move upward relative to the fixed block 130 and close to each other through the linkage relationship between the first parallelogram, the second parallelogram and the first hexagon, in this process, the upper ends of the front limiting arm 110A and the rear limiting arm 110B pass through the lifting plate 10 upward respectively, when the lifting plate 10 stops lifting, the upper ends of the front limiting arm 110A and the rear limiting arm 110B protrude from the upper surface of the lifting plate 10 and are located on the front and rear sides of the anti-deviation foot 420 respectively, limiting the anti-deviation foot 420;

[0025] Or in the process of vertical upward movement of the lifting block 150, the lifting block 150 drives the front jaw 110A and the rear jaw 110B to move upward relative to the fixed block 130 and close to each other through the linkage relationship between the first parallelogram, the second parallelogram and the first hexagon, until the upper ends of the front jaw 110A and the rear jaw 110B pass through the lifting plate 10 upward, the upper ends of the front jaw 110A and the rear jaw 110B protrude from the upper surface of the lifting plate 10, and the upper end of the front jaw 110A and the upper end of the rear jaw 110B are close to each other on one side and press against the front and rear sides of the anti-deviation foot 420 respectively, clamping and limiting the anti-deviation foot 420 at the same time.

[0026] The above is the preferred embodiment of the present application. It should be noted that for those skilled in the art, without departing from the principles of the present application, several improvements and refinements can be made, and these improvements and refinements should also be considered as the protection scope of the present application.

Claims

1. A lifting plate linkage structure for a shuttle vehicle, characterized in that: The invention comprises a lifting block (150), a fixed block (130), a vertical front limiting arm (110A) and a vertical rear limiting arm (110B), wherein the lifting block (150) is located directly above the fixed block (130), and the front limiting arm (110A) and the rear limiting arm (110B) are respectively located on the front and rear sides of the lifting block (150) and the fixed block (130); the front and rear ends of the lifting block (150) are connected to the lower ends of the front limiting arm (110A) and the rear limiting arm (110B) through a connecting rod a (160A) and a connecting rod b (160B), respectively; the front and rear ends of the fixed block (130) are connected to the lower ends of the front limiting arm (110A) and the rear limiting arm (110B) through a parallel connecting rod group a (140A) and a parallel connecting rod group b (140B).

2. The lifting plate linkage structure for a shuttle vehicle according to claim 1, characterized in that: The a-link (160A) and the b-link (160B) are symmetrically arranged front and rear relative to the lifting block (150); one end of the a-link (160A) and the b-link (160B) are hinged to the front and rear ends of the lifting block (150) through the a-hinge (170A) and the b-hinge (170B), respectively; the other ends of the a-link (160A) and the b-link (160B) are hinged to the lower end of the front limit arm (110A) and the lower end of the rear limit arm (110B) through the e-hinge (170E) and the f-hinge (170F), respectively.

3. The lifting plate linkage structure for a shuttle vehicle according to claim 1, characterized in that: The parallel link group a (140A) and the parallel link group b (140B) are symmetrically arranged front and rear relative to the fixed block (130); one end of each link in the parallel link group a (140A) is hinged to the lower end of the front limit arm (110A) in sequence along the vertical direction of the front limit arm (110A); and one end of each link in the parallel link group b (140B) is hinged to the lower end of the rear limit arm (110B) in sequence along the vertical direction of the rear limit arm (110B).

4. The lifting plate linkage structure for a shuttle vehicle according to claim 3, characterized in that: The a parallel link group (140A) comprises a c link (160C) and a d link (160D) arranged in parallel, one end of the c link (160C) and the d link (160D) being hinged to the lower end of the front limit arm (110A) via a c hinge (170C) and an e hinge (170E), respectively, and the other ends of the c link (160C) and the d link (160D) being hinged to the front end of the fixed block (130) via a g hinge (170G) and a j hinge (170J), respectively.

5. The lifting plate linkage structure for a shuttle vehicle according to claim 3, characterized in that: The b parallel link group (140B) includes an e link (160E) and an f link (160F) arranged in parallel, one end of the e link (160E) and the f link (160F) being hinged to the lower end of the rear limit arm (110B) via a d hinge (170D) and an f hinge (170F), respectively, and the other ends of the e link (160E) and the f link (160F) being hinged to the rear end of the fixed block (130) via a h hinge (170H) and a k hinge (170K), respectively.

6. The lifting plate linkage structure for a shuttle vehicle according to claim 1, characterized in that: The lifting block (150) and the fixed block (130) are installed inside the shuttle car (30). The shuttle car (30) includes a fixed frame and a lifting plate (10). The lifting plate (10) is arranged on the upper part of the shuttle car (30). The upper end of the lifting block (150) is fixed at the center of the lower end of the lifting plate (10). The fixed block (130) is fixed inside the fixed frame. A lifting drive device is provided in the shuttle car (30). The lifting drive device drives the lifting plate (10) to lift vertically. The lifting block (150) moves vertically relative to the fixed block (130) as the lifting plate (10) is lifted vertically.

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