Lifting device for cargo carrying table of stacking machine

Abstract

The utility model discloses a lifting device for a cargo carrying platform of a stacking machine, which belongs to the technical field of storage equipment and comprises upright posts arranged vertically, the cargo carrying platform is arranged between the two upright posts, and a plurality of driven chain wheels are rotationally connected onto an upper cross beam and a walking beam. A first lifting chain and a second lifting chain are meshed and matched on the driving chain wheel and the driven chain wheel, one ends of the first lifting chain and the second lifting chain are respectively fixed with two ends of the top surface of the cargo carrying table, and the other ends of the first lifting chain and the second lifting chain are respectively fixed with two ends of the bottom surface of the cargo carrying table; the first lifting chain and the second lifting chain form a closed-loop chain transmission to hoist the cargo carrying table, so that the lifting gear motor can accurately control the lifting of the cargo carrying table, the lifting movement stability and accuracy of the cargo carrying table are effectively improved, the lifting speed is high, the height position of the cargo carrying table is more convenient and accurate to adjust, and the working efficiency is improved. A plurality of goods can be taken and placed at the same time, circulation taking and placing actions of stored goods are reduced, and operation efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to warehouse equipment technical field especially is involved in a kind of stacker cargo platform lifting device. BACKGROUND

[0002] Double-column stacker is the core equipment in automated warehouse, and it is known for its high efficiency and stability. This equipment is supported by two solid vertical columns, and the vertical lifting and horizontal movement of goods are realized through an electric drive system. The double-column design not only enhances the load-bearing capacity and stability of the stacker, but also enables it to handle heavier and larger goods. Equipped with advanced control systems and sensors, the double-column stacker can accurately perform storage and retrieval tasks, reducing manual intervention and improving the efficiency and accuracy of warehouse operations. It is widely used in warehouse, manufacturing, e-commerce and cold-chain logistics fields, and the double-column stacker has become an important part of automated warehouse systems due to its excellent performance.

[0003] The current double-column stacker usually uses steel wire rope lifting, which winds the steel wire rope through a roller, lifts the cargo platform through the steel wire rope, and relies on the weight of the cargo platform to descend. When the cargo platform descends, the speed of gravity descent cannot catch up with the speed of the speed reducer releasing the steel wire rope, resulting in unstable landing. Therefore, it is urgent to provide a double-column stacker with high load capacity and suitable for high-speed landing.

[0004] Therefore, it is necessary to provide a stacker cargo platform lifting device to solve the above technical problems. INVENTION CONTENTS

[0005] The utility model aims at providing a stacker cargo platform lifting device to solve the problems raised in the background technology.

[0006] To achieve the above-mentioned purpose, the utility model solves the above-mentioned technical problems in the following scheme: a stacker cargo platform lifting device, including a vertical column arranged vertically, the column is provided with two columns and the two columns are symmetrically distributed, a cargo platform is arranged between the two columns, the top and bottom of the two columns are respectively fixed with an upper cross beam and a walking beam, the bottom of one of the columns is fixed with a lifting speed reducer, the output end of the lifting speed reducer is fixed with a driving sprocket, a plurality of driven sprockets are rotatably connected to the upper cross beam and the walking beam, the driving sprocket and the driven sprocket are engaged with a first lifting chain and a second lifting chain, one end of the first lifting chain and the second lifting chain is respectively fixed with the top surface of the cargo platform, the other end of the first lifting chain and the second lifting chain is respectively fixed with the bottom surface of the cargo platform, the first lifting chain and the second lifting chain form a closed loop to pull the cargo platform for lifting and moving.

[0007] As a further scheme of the utility model, a plurality of slots are formed in the side wall of the loading platform, and a guide wheel is rotatably connected in each slot.

[0008] As a further scheme of the utility model, a safety switch and a detection switch are installed in the loading platform, and a code scanning detector is fixed to the outer side of the loading platform.

[0009] As a further scheme of the utility model, a limit switch is fixed to the outer side of the loading platform.

[0010] As a further scheme of the utility model, a driving wheel is rotatably connected to each end of the walking beam, and a driving reduction motor for driving the two driving wheels to rotate is fixed to the bottom end of the other column.

[0011] As a further scheme of the utility model, a holding wheel is installed on each end of the loading platform.

[0012] Compared with the prior art, the utility model has the beneficial effects that: the output end of the lifting reduction motor drives the driving sprocket to rotate, thereby the driving sprocket, the driven sprocket, the first lifting chain and the second lifting chain are cooperated to pull the loading platform to move stably, in the process, the first lifting chain and the second lifting chain form a closed loop chain transmission to pull the loading platform, so that the lifting reduction motor can accurately control the lifting of the loading platform, effectively improve the stability and accuracy of the lifting movement of the loading platform, compared with the prior art that the steel wire rope is wound on the roller to lift the loading platform, the lifting speed is fast, the height position of the loading platform is adjusted more conveniently and accurately, the reliability is high, and the structure is simple and practical, the problem of uncoordinated action caused by the fast action of the reduction machine is avoided, the reliability of the conveying system is adapted, the high-speed lifting of the double-column stacking machine of the stereoscopic warehouse is applicable, the structure can be overloaded, a plurality of goods can be taken and placed at the same time, the action of the circulating taking and placing of the stored goods is reduced, and the work efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0013] The utility model will be further explained in connection with the drawings and embodiments:

[0014] Figure 1 It is the overall structure perspective drawing of the utility model;

[0015] Figure 2 It is the overall front view structure schematic view of the utility model;

[0016] Figure 3 It is the loading platform structure perspective schematic view of the utility model;

[0017] Figure 4The utility model discloses a loading platform front view structure schematic drawing;

[0018] Figure 5 The utility model discloses a loading platform side view structure schematic Figure 1 ;

[0019] Figure 6 The utility model discloses a loading platform side view structure schematic Figure 2 .

[0020] In the drawing, the component list of each sign is as follows:

[0021] 1, upper crossbeam, 2, first lifting chain, 3, second lifting chain, 4, lifting reduction motor, 5, drive sprocket, 6, running wheel, 7, loading platform, 8, running beam, 9, running reduction motor, 10, stand, 11, code scanning detector, 12, safety switch, 13, detection switch, 14, limit switch, 15, guide wheel, 16, band wheel, 17, driven sprocket. Specific implementation

[0022] The utility model will be further described in connection with the example.

[0023] Please refer to Figures 1-6The utility model provides a kind of stack machine loading platform lifting device, including the column 10 being set vertically, two column 10 are provided with and two column 10 are symmetrically distributed, loading platform 7 is arranged between two column 10, the top end and the bottom end of two column 10 are fixed with upper crossbeam 1 and running beam 8 respectively, the bottom end of one of column 10 is fixed with lifting reduction motor 4, lifting reduction motor 4 is fixed with driving sprocket 5 on output end, a plurality of driven sprocket 17 are rotatably connected on upper crossbeam 1 and running beam 8, driving sprocket 5 and driven sprocket 17 are engaged with first lifting chain 2 and second lifting chain 3, one end of first lifting chain 2 and second lifting chain 3 is fixed with the top surface both ends of loading platform 7 respectively, the other end of first lifting chain 2 and second lifting chain 3 is fixed with the bottom surface both ends of loading platform 7 respectively, closed loop is formed by first lifting chain 2 and second lifting chain 3 and loading platform 7 is pulled to move up and down;First lifting chain 2 and second lifting chain 3 in the utility model are made of high tensile strength alloy steel, and the comprehensive performance of first lifting chain 2 and second lifting chain 3 far exceeds the performance of ordinary roller chain, which has the characteristics of small deformation, high tensile strength, etc. When the device is used, start lifting reduction motor 4 to work, driving sprocket 5 is driven to rotate by the output end of lifting reduction motor 4, so that loading platform 7 is pulled to move up and down stably by the cooperation of driving sprocket 5, driven sprocket 17, first lifting chain 2 and second lifting chain 3. In this process, loading platform 7 is lifted by the closed loop chain transmission of first lifting chain 2 and second lifting chain 3, so that lifting reduction motor 4 can accurately control the lifting of the loading platform, effectively improve the stability and accuracy of the lifting movement of loading platform 7. Compared with the prior art of winding steel wire rope by roller, lifting loading platform 7 by steel wire rope and relying on the weight of the loading platform to descend, the utility model has the characteristics of fast lifting speed, convenient and accurate height position adjustment of loading platform 7, high reliability and simple and practical, avoids the problem of uncoordinated action caused by the fast action of the speed reducer during the lifting of the loading platform 7, and is suitable for reliable docking of the conveying system and high-speed lifting of the double-column stacker as a stereoscopic warehouse. At the same time, this structure can be overloaded, and multiple goods can be taken and placed at the same time, reducing the action of circulating taking and placing of stored goods and improving the work efficiency.

[0024] Further as Figure 6 shown, it is worth noting that a plurality of notches are opened in the side wall of the loading platform 7, and a plurality of guide wheels 15 are rotatably connected in the notches. A sliding groove is opened on the side surface of the column 10 and rolls with the guide wheels 15. When the loading platform 7 moves up and down, the guide wheels 15 roll in the sliding groove, guiding the lifting movement of the loading platform 7 through the guide wheels 15, further improving the stability of the lifting movement of the loading platform 7.

[0025] Further as Figure 4As shown, it is worth noting that the safety switch 12 and the detection switch 13 are installed in the loading platform 7, and the code scanning detector 11 is fixed on the outer side of the loading platform 7; in specific work, the safety switch 12 is arranged to ensure the safety and stability of the stacker during operation, prevent accidents caused by operation errors or equipment failures, and when the door or guardrail is opened, the safety switch 12 will immediately detect the change and trigger the corresponding safety control mechanism to ensure safety, and the detection switch 13 can sense whether there is goods on the loading platform 7, so as to ensure that the stacker can accurately identify the state of the goods when performing the access task, and the code scanning detector 11 can quickly read the bar code or two-dimensional code on the goods on the loading platform 7, so as to obtain the relevant information of the goods, such as goods code, name, specification, batch number, etc.

[0026] Further as Figure 1 and Figure 2 As shown, it is worth noting that the limit switch 14 is fixed on the outer side of the loading platform 7; in specific work, the limit switch 14 can monitor the lifting height or horizontal moving distance of the loading platform 7, and when the loading platform 7 reaches the predetermined upper, lower or left, right limit position, the limit switch 14 will trigger and interrupt the corresponding lifting reduction motor 4, so as to prevent the loading platform 7 from continuing to run out of range and avoid collision damage.

[0027] The scheme has the following working process: when the device is used, the lifting reduction motor 4 is started to work, the output end of the lifting reduction motor 4 drives the driving sprocket 5 to rotate, so as to pull the loading platform 7 to move stably through the cooperation of the driving sprocket 5, the driven sprocket 17, the first lifting chain 2 and the second lifting chain 3, in this process, the first lifting chain 2 and the second lifting chain 3 form a closed loop chain transmission to pull the loading platform 7, so that the lifting reduction motor 4 can accurately control the lifting of the loading platform.

[0028] Further as Figure 2 As shown, it is worth noting that the two ends of the walking beam 8 are rotatably connected with the running wheels 6, and the bottom end of the other stand 10 is fixed with the running reduction motor 9 for driving the two running wheels 6 to rotate; in specific work, the running reduction motor 9 drives the running wheels 6 to rotate and run, so as to drive the whole stacker to move.

[0029] Further as Figure 3 and Figure 5As shown, it is worth noting that the two ends of the loading platform 7 are each provided with a holding wheel 16; in actual operation, the holding wheel 16 cooperates with the warehouse guide rail, and through the close contact between the holding wheel 16 and the guide rail, the shaking and deviation of the loading platform 7 during movement can be reduced, and the operation accuracy and stability of the stacker can be improved; when the stacker performs the access task, the cooperation between the holding wheel 16 and the guide rail can ensure that the loading platform 7 is accurately parked at the specified position, and the precise access of the goods is realized.

[0030] In summary: the output end of the lifting speed reducer 4 drives the driving sprocket 5 to rotate, thereby pulling the loading platform 7 to move stably through the cooperation of the driving sprocket 5, the driven sprocket 17, the first lifting chain 2 and the second lifting chain 3; in this process, the first lifting chain 2 and the second lifting chain 3 form a closed loop chain transmission to lift the loading platform 7, so that the lifting speed reducer 4 can accurately control the lifting of the loading platform, effectively improve the stability and accuracy of the lifting movement of the loading platform 7, and compared with the prior art which uses a drum to wind a steel wire rope to lift the loading platform 7 and relies on the self-weight of the loading platform to descend, the utility model has the characteristics of fast lifting speed, convenient and accurate height position adjustment of the loading platform 7, high reliability and simple and practical, avoids the problem of uncoordinated action caused by the fast action of the speed reducer during the lifting action of the loading platform 7, and is suitable for reliable docking of the conveying system and high-speed lifting of the double-column stacker as a stereoscopic warehouse. At the same time, this structure can be overloaded, can take and place multiple goods at the same time, reduces the action of circulating taking and placing of stored goods, and improves the operation efficiency.

[0031] The lifting speed reducer 4, the traveling speed reducer 9 and the code scanning detector 11 can be purchased in the market, and the lifting speed reducer 4, the traveling speed reducer 9 and the code scanning detector 11 are provided with a power supply, which belongs to mature technology in the field and has been fully disclosed, so the description will not be repeated.

Claims

1. A stacker cargo platform lifting device, comprising a vertically arranged column (10), characterized in that: Two columns (10) are provided and the two columns (10) are symmetrically distributed. A cargo platform (7) is provided between the two columns (10). The top and bottom ends of the two columns (10) are respectively fixed with an upper crossbeam (1) and a walking beam (8). A lifting and reducing motor (4) is fixed to the bottom end of one of the columns (10). A driving sprocket (5) is fixed to the output end of the lifting and reducing motor (4). A plurality of driven sprockets ( 17), the driving sprocket (5) and the driven sprocket (17) are meshed with a first lifting chain (2) and a second lifting chain (3), one end of the first lifting chain (2) and the second lifting chain (3) are respectively fixed to the two ends of the top surface of the cargo platform (7), and the other ends of the first lifting chain (2) and the second lifting chain (3) are respectively fixed to the two ends of the bottom surface of the cargo platform (7), and the first lifting chain (2) and the second lifting chain (3) form a closed loop to pull the cargo platform (7) to move up and down.

2. The stacker crane cargo platform lifting device according to claim 1, characterized in that: A plurality of slots are provided in the side wall of the cargo platform (7), and guide wheels (15) are rotatably connected in the slots. A sliding groove is provided on the side surface of the column (10) for rolling engagement with the guide wheels (15).

3. The stacker crane cargo platform lifting device according to claim 2, characterized in that: A safety switch (12) and a detection switch (13) are installed in the cargo platform (7), and a code scanning detector (11) is fixed on the outer surface of the cargo platform (7).

4. The stacker crane cargo platform lifting device according to claim 3, characterized in that: A limit switch (14) is fixed on the outer side of the cargo platform (7).

5. The stacker crane cargo platform lifting device according to claim 1, characterized in that: Both ends of the walking beam (8) are rotatably connected to travel wheels (6), and a travel reduction motor (9) for driving the two travel wheels (6) to rotate is fixed to the bottom end of the other column (10).

6. The stacker crane cargo platform lifting device according to claim 2, characterized in that: Holding wheels (16) are installed on both ends of the cargo platform (7).

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