Modularized lower cross beam structure of stacking machine convenient to assemble and transport

Abstract

The utility model discloses a modular lower cross beam structure of a stacking machine convenient to assemble and transport. The modular lower cross beam structure solves the problems that an existing lower cross beam is inconvenient to transport, and walking wheels and horizontal guide wheels are difficult to assemble and disassemble. A left-end rectangular and trapezoidal horizontal cantilever plate (2) is assembled at the left end of a cross beam body (1), a pair of driven wheel shaft supporting vertical plates (5) are fixedly connected to the lower bottom face of a left-end trapezoidal part of the left-end rectangular and trapezoidal horizontal cantilever plate in a hanging mode, and a pair of driven wheel shaft embedding arc-shaped grooves (7) are formed in the pair of driven wheel shaft supporting vertical plates in a front-back corresponding mode. A driven wheel shaft (22) is embedded in the pair of driven wheel shaft embedding arc-shaped grooves (7), and a driven wheel (21) is movably arranged on the driven wheel shaft and is arranged in the pair of driven wheel shaft supporting vertical plates (5); the cross beam body adopts the single rectangular pipe as a main body, compared with a traditional structure, the structure is more compact, and the bearing force is greatly improved.

Description

Technical Field

[0001] This invention relates to a stacker crane, and more particularly to a modular stacker crane lower beam structure that is easy to assemble and transport. Background Technology

[0002] Stacker cranes, also known as stacking cranes, are the core equipment of automated warehouses. The main structure of stacker cranes consists of an upper crossbeam, a lower crossbeam, and columns. The lower crossbeam is located at the bottom of the entire main structure and bears the main load of the stacker crane. Therefore, the structural design of the lower crossbeam is the key point of stacker cranes. The existing stacker crane lower crossbeam structure is relatively complex and the overall size is relatively large. The traveling wheels and horizontal guide wheels are fixedly installed inside the crossbeam, which has the following problems: (1) The traveling wheels are fixedly assembled on the lower crossbeam, which is not conducive to packaging and transportation; (2) The installation and disassembly of the traveling wheels and horizontal guide wheels are relatively complicated, which increases the construction difficulty of on-site assembly. Summary of the Invention

[0003] This invention provides a modular lower crossbeam structure for a stacker crane that is easy to assemble and transport, solving the technical problems of inconvenient transportation and difficult installation and disassembly of the traveling wheels and horizontal guide wheels in existing lower crossbeams.

[0004] The present invention solves the above technical problems through the following technical solutions:

[0005] A modular lower crossbeam structure for a stacker crane, facilitating assembly and transportation, includes a crossbeam body, a rectangular-trapezoidal horizontal cantilever plate at the left end, a rectangular-trapezoidal horizontal cantilever plate at the right end, and a drive motor. The rectangular-trapezoidal horizontal cantilever plate at the left end is mounted on the left side of the crossbeam body, with the left trapezoidal portion of the left end of the cantilever plate cantilevered over the left side of the crossbeam body. The rectangular-trapezoidal horizontal cantilever plate at the right end is mounted on the right side of the crossbeam body, with the right trapezoidal portion of the right end of the cantilever plate cantilevered over the right side of the crossbeam body. The lower base of the left trapezoidal portion of the left end of the rectangular-trapezoidal horizontal cantilever plate... A pair of driven wheel axle support plates are fixedly suspended. On the pair of driven wheel axle support plates, a pair of driven wheel axles are correspondingly arranged in arc-shaped grooves. Driven wheel axles are embedded in the arc-shaped grooves. Driven wheels are movably arranged on the driven wheel axles and are arranged in the pair of driven wheel axle support plates. On the outer surface of the pair of driven wheel axle support plates, inner guide wheel clamping plates are fixedly arranged. Outer guide wheel clamping plates are assembled on the inner guide wheel clamping plates. Guide wheel axles are clamped between the inner and outer guide wheel clamping plates. A horizontal guide wheel is arranged at the lower end of the guide wheel axle.

[0006] A first screw hole is provided on the outer circle of a pair of driven wheel axles embedded in an arc-shaped groove. A pair of wheel axle assembly rings are provided on the outer side of the pair of driven wheel axles embedded in the arc-shaped groove. A second screw hole is provided on the pair of wheel axle assembly rings. The wheel axle fixing bolts assemble the driven wheel axles into the pair of driven wheel axles embedded in the arc-shaped groove through the second screw hole and the first screw hole.

[0007] An inner vertical groove and a third screw hole are respectively provided on the outer vertical surface of the inner clamping plate of the guide wheel. An outer vertical groove and a fourth screw hole are respectively provided on the inner vertical surface of the outer clamping plate of the guide wheel. The guide wheel shaft is located between the inner vertical groove and the outer vertical groove. After the clamping fixing bolt passes through the fourth screw hole and the third screw hole in sequence, the guide wheel shaft is clamped between the inner clamping plate and the outer clamping plate of the guide wheel.

[0008] A method for assembling a modular lower crossbeam structure for a stacker crane that facilitates assembly and transportation involves fabricating the crossbeam body, a horizontal cantilever plate with a rectangular and trapezoidal shape at the left end, and a horizontal cantilever plate with a rectangular and trapezoidal shape at the right end. The structure of the horizontal cantilever plate with a rectangular and trapezoidal shape at the left end is identical to that of the horizontal cantilever plate with a rectangular and trapezoidal shape at the right end. A pair of driven wheel axle support plates are fixedly suspended on the lower bottom surface of the trapezoidal portion at the left end of the horizontal cantilever plate with a rectangular and trapezoidal shape at the left end. A pair of driven wheel axles are embedded in arc-shaped grooves corresponding to each other on the pair of driven wheel axle support plates. Guide wheel inner clamping plates are fixedly installed on the outer surfaces of the pair of driven wheel axle support plates. The method is characterized by the following steps:

[0009] Step 1: Assemble the rectangular and trapezoidal horizontal cantilever plate on the left end of the crossbeam body, and set a pair of driven wheel axle support plates on the left side of the crossbeam body.

[0010] The second step is to assemble the rectangular and trapezoidal horizontal cantilever plate on the right end of the crossbeam body onto the top right end surface, and to set a pair of drive wheel axle support plates on the right side of the crossbeam body.

[0011] The third step is to embed the driven wheel shaft with the driven wheel into the arc-shaped groove of the pair of driven wheel shafts, and after assembling the ring clamps with the pair of wheel shafts on both sides, fix the driven wheel shaft to the pair of driven wheel shaft support plates with the wheel shaft fixing bolts, so that the driven wheel is movably set in the pair of driven wheel shaft support plates;

[0012] Step 4: Clamp the guide wheel shaft with the horizontal guide wheel at the bottom between the inner clamping plate and the outer clamping plate of the guide wheel, and fix it with clamping bolts, so that the horizontal guide wheel is movably positioned under the inner clamping plate and the outer clamping plate of the guide wheel; use the same method to install the other horizontal guide wheel on the back side of the pair of driven wheel shafts supporting the vertical plate.

[0013] Step 5: Using the same method as steps 3 and 4, install the drive wheel shaft, drive wheel, and two right-end guide wheels below the right-end rectangular trapezoidal horizontal cantilever plate, and install the drive motor on the right-end rectangular trapezoidal horizontal cantilever plate, connecting the output shaft of the drive motor to the drive wheel shaft.

[0014] Step 6: Place the assembled modular lower crossbeam onto the track.

[0015] The horizontal guide wheel of this invention is fixed by clamping, which facilitates on-site installation and subsequent replacement; there is a notch at the connection between the crossbeam body and the traveling wheel, so that the driving wheel and driven wheel can be directly installed and removed as a whole when they are replaced, making installation and maintenance very convenient; the crossbeam body uses a single rectangular tube as the main body, with square tubes welded to the ends, and the overall shape is square, which is convenient for transportation. Compared with the traditional structure, the structure is more compact and the load-bearing capacity is greatly improved. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of the present invention;

[0017] Figure 2 This is a diagram showing the fit between the crossbeam body 1 and the left-end rectangular trapezoidal horizontal cantilever plate 2 of the present invention.

[0018] Figure 3 This is an assembly drawing of the horizontal guide wheel and the driven wheel shaft support plate 5 of the present invention;

[0019] Figure 4 This is a schematic diagram of the driven wheel 21 mechanism of the present invention. Detailed Implementation

[0020] The present invention will now be described in detail with reference to the accompanying drawings:

[0021] A modular lower crossbeam structure for a stacker crane, designed for easy assembly and transportation, is assembled on-site using several pre-fabricated modular components. It includes a crossbeam body 1, a left-end rectangular-trapezoidal horizontal cantilever plate 2, a right-end rectangular-trapezoidal horizontal cantilever plate 3, and a drive motor 4. The structure of the left-end rectangular-trapezoidal horizontal cantilever plate 2 is identical to that of the right-end rectangular-trapezoidal horizontal cantilever plate 3; both are pre-fabricated as a single component. The left-end rectangular-trapezoidal horizontal cantilever plate 2 is assembled at the left end of the crossbeam body 1, with its left trapezoidal portion cantilevered over the left side of the crossbeam body 1. The right-end rectangular-trapezoidal horizontal cantilever plate 3 is assembled at the right end of the crossbeam body 1, with its right trapezoidal portion cantilevered over the right side of the crossbeam body 1. A pair of driven wheel axle support plates 5 are fixedly suspended on the lower surface of the left trapezoidal portion of the left-end rectangular-trapezoidal horizontal cantilever plate 2. On the driven wheel shaft support plate 5, a pair of driven wheel shaft embedding arc-shaped grooves 7 are arranged correspondingly front and rear. A driven wheel shaft 22 is embedded in each of the two driven wheel shaft embedding arc-shaped grooves 7. A driven wheel 21 is movably mounted on the driven wheel shaft 22. The driven wheel 21 is positioned within the pair of driven wheel shaft support plates 5. After the driven wheel 21 and driven wheel shaft 22 are assembled together, the entire driven wheel component is then embedded into the pair of driven wheel shaft embedding arc-shaped grooves 7. This facilitates on-site assembly and disassembly. On the outer side of the driven wheel shaft support plate 5, namely the front side of the front plate and the rear side of the rear plate, an inner clamping plate 8 for the guide wheel is fixedly installed. An outer clamping plate 9 for the guide wheel is mounted on the inner clamping plate 8. A guide wheel shaft 10 is clamped between the inner clamping plate 8 and the outer clamping plate 9. A horizontal guide wheel 11 is provided at the lower end of the guide wheel shaft 10. The guide wheel can be easily installed and removed by assembling and removing the two clamping plates.

[0022] A first screw hole 12 is provided on the outer circle of a pair of driven wheel shafts embedded in the arc-shaped groove 7. A pair of wheel shaft assembly rings 13 are provided on the outer side of the pair of driven wheel shafts embedded in the arc-shaped groove 7. A second screw hole 14 is provided on the pair of wheel shaft assembly rings 13. The wheel shaft fixing bolt 15 assembles the driven wheel shaft 22 into the pair of driven wheel shafts embedded in the arc-shaped groove 7 through the second screw hole 14 and the first screw hole 12.

[0023] An inner vertical groove 16 and a third screw hole 18 are respectively provided on the outer side of the inner clamping plate 8 of the guide wheel. An outer vertical groove 17 and a fourth screw hole 19 are respectively provided on the inner side of the outer clamping plate 9 of the guide wheel. The guide wheel shaft 10 is located between the inner vertical groove 16 and the outer vertical groove 17. After the clamping fixing bolt 20 passes through the fourth screw hole 19 and the third screw hole 18 in sequence, the guide wheel shaft 10 is clamped between the inner clamping plate 8 and the outer clamping plate 9 of the guide wheel.

[0024] A modular lower crossbeam structure assembly method for a stacker crane, facilitating assembly and transportation, involves fabricating a crossbeam body 1, a left-end rectangular-trapezoidal horizontal cantilever plate 2, and a right-end rectangular-trapezoidal horizontal cantilever plate 3. The structure of the left-end rectangular-trapezoidal horizontal cantilever plate 2 is identical to that of the right-end rectangular-trapezoidal horizontal cantilever plate 3. A pair of driven wheel axle support plates 5 are fixedly suspended on the lower bottom surface of the left-end trapezoidal portion of the left-end rectangular-trapezoidal horizontal cantilever plate 2. A pair of driven wheel axle embedded arc-shaped grooves 7 are correspondingly arranged on the pair of driven wheel axle support plates 5. Guide wheel inner clamping plates 8 are fixedly arranged on the outer surfaces of the pair of driven wheel axle support plates 5. The method is characterized by the following steps:

[0025] Step 1: Assemble the left rectangular and trapezoidal horizontal cantilever plate 2 onto the top left surface of the crossbeam body 1, and set a pair of driven wheel axle support plates 5 on the left side of the crossbeam body 1.

[0026] The second step is to assemble the right rectangular and trapezoidal horizontal cantilever plate 3 onto the top right surface of the crossbeam body 1, and to set a pair of drive wheel axle support plates 23 on the right side of the crossbeam body 1.

[0027] The third step is to insert the driven wheel shaft 22 with the driven wheel 21 into the pair of driven wheel shaft embedded arc grooves 7, and clamp it on both sides with a pair of wheel shaft assembly rings 13. Then, fix the driven wheel shaft 22 to the pair of driven wheel shaft support plates 5 by wheel shaft fixing bolts 15, so that the driven wheel 21 is movably set in the pair of driven wheel shaft support plates 5.

[0028] Fourth step: clamp the guide wheel shaft 10 with the horizontal guide wheel 11 at the bottom between the inner clamping plate 8 and the outer clamping plate 9 of the guide wheel, and fix it with clamping bolts 20, so that the horizontal guide wheel 11 is movably positioned under the inner clamping plate 8 and the outer clamping plate 9 of the guide wheel; in the same way, install the other horizontal guide wheel on the rear side of the pair of driven wheel shaft support plate 5.

[0029] Fifth step: Using the same method as the third and fourth steps, install the drive wheel shaft, drive wheel, and two right-end guide wheels below the right-end rectangular trapezoidal horizontal cantilever plate 3, and install the drive motor 4 on the right-end rectangular trapezoidal horizontal cantilever plate 3, and connect the output shaft of the drive motor 4 to the drive wheel shaft.

[0030] Step 6: Place the assembled modular lower crossbeam onto track 6.

[0031] A pair of driven wheel axles are provided with first screw holes 12 at equal intervals on the outer circle of the arc-shaped groove 7. A pair of wheel axle assembly rings 13 are provided on the outer side of the pair of driven wheel axles embedded in the arc-shaped groove 7. A pair of wheel axle assembly rings 13 are provided with second screw holes 14 at equal intervals on the pair of wheel axle assembly rings 13. The wheel axle fixing bolts 15 assemble the driven wheel axles 22 into the pair of driven wheel axles embedded in the arc-shaped groove 7 through the second screw holes 14 and the first screw holes 12. The pair of wheel axle assembly rings 13 are clamped and fixed on the two outer sides of the support plate 5 of the pair of driven wheel axles, thus providing support for the driven wheel axles 22.

[0032] An inner vertical groove 16 and a third screw hole 18 are respectively provided on the outer surface of the inner clamping plate 8 of the guide wheel, and an outer vertical groove 17 and a fourth screw hole 19 are respectively provided on the inner surface of the outer clamping plate 9 of the guide wheel. The guide wheel shaft 10 is located between the inner vertical groove 16 and the outer vertical groove 17. After the clamping fixing bolt 20 passes through the fourth screw hole 19 and the third screw hole 18 in sequence, the guide wheel shaft 10 is clamped between the inner clamping plate 8 and the outer clamping plate 9 of the guide wheel. By assembling a large horizontal guide wheel with this structure, the space occupied by the lower crossbeam in the width direction is saved, which is particularly suitable for working environments with low roadway space.

Claims

1. A modular lower crossbeam structure for a stacker crane that is easy to assemble and transport, comprising a crossbeam body (1), a rectangular-trapezoidal horizontal cantilever plate at the left end (2), a rectangular-trapezoidal horizontal cantilever plate at the right end (3), and a drive motor (4), characterized in that, A rectangular-trapezoidal horizontal cantilever plate (2) is mounted on the left end of the beam body (1), and the trapezoidal part of the left end of the rectangular-trapezoidal horizontal cantilever plate (2) cantilevered over the left side of the beam body (1); a rectangular-trapezoidal horizontal cantilever plate (3) is mounted on the right end of the beam body (1), and the trapezoidal part of the right end of the rectangular-trapezoidal horizontal cantilever plate (3) cantilevered over the right side of the beam body (1); a pair of driven wheel axle support plates (5) are fixedly suspended on the bottom surface of the trapezoidal part of the left end of the rectangular-trapezoidal horizontal cantilever plate (2), and a pair of driven wheels are correspondingly arranged on the pair of driven wheel axle support plates (5). A shaft is embedded in an arc-shaped groove (7). A driven wheel shaft (22) is embedded in a pair of driven wheel shafts embedded in the arc-shaped groove (7). A driven wheel (21) is movably arranged on the driven wheel shaft (22). The driven wheel (21) is arranged in a pair of driven wheel shaft support plates (5). On the outer side of the pair of driven wheel shaft support plates (5), a guide wheel inner clamping plate (8) is fixedly arranged. A guide wheel outer clamping plate (9) is assembled on the guide wheel inner clamping plate (8). A guide wheel shaft (10) is clamped between the guide wheel inner clamping plate (8) and the guide wheel outer clamping plate (9). A horizontal guide wheel (11) is arranged at the lower end of the guide wheel shaft (10).

2. The modular lower crossbeam structure of a stacker crane, which is easy to assemble and transport, as described in claim 1, is characterized in that... A first screw hole (12) is provided on the outer circle of a pair of driven wheel shafts embedded in an arc-shaped groove (7). A pair of wheel shaft assembly rings (13) are provided on the outer side of the pair of driven wheel shafts embedded in the arc-shaped groove (7). A second screw hole (14) is provided on the pair of wheel shaft assembly rings (13). The wheel shaft fixing bolt (15) assembles the driven wheel shaft (22) into the pair of driven wheel shafts embedded in the arc-shaped groove (7) through the second screw hole (14) and the first screw hole (12).

3. A modular lower crossbeam structure for a stacker crane, facilitating assembly and transportation, as described in claim 1 or 2, characterized in that... An inner vertical groove (16) and a third screw hole (18) are respectively provided on the outer side of the inner clamping plate (8) of the guide wheel. An outer vertical groove (17) and a fourth screw hole (19) are respectively provided on the inner side of the outer clamping plate (9) of the guide wheel. The guide wheel shaft (10) is located between the inner vertical groove (16) and the outer vertical groove (17). After the clamping fixing bolt (20) passes through the fourth screw hole (19) and the third screw hole (18) in sequence, the guide wheel shaft (10) is clamped between the inner clamping plate (8) of the guide wheel and the outer clamping plate (9) of the guide wheel.

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