Automatic vertical descending telescopic device

Abstract

The utility model provides an automatic vertical descending telescopic device which comprises a main frame and two rotating shafts symmetrically arranged on the front side and the rear side of the main frame, the two ends of each rotating shaft are each fixedly provided with a steel belt wheel, each steel belt wheel is wound with a steel belt, one end of each steel belt is fixed to the corresponding steel belt wheel, and the other end of each steel belt is fixed to the corresponding steel belt wheel. The other ends of the two connecting rods are connected with one corner of the grabbing device, and the grabbing device is used for grabbing the carrying box; the two rotating shafts synchronously and reversely rotate through a driving mechanism arranged on the main frame to drive the four steel belts to synchronously stretch out and draw back in the vertical direction. And the four steel belts are all conductive steel belts, so that electricity and signals can be transmitted to the grabbing device. According to the utility model, the lifting of the carrying box is realized through the vertical descending and stretching of the four steel belts, so that the carrying box can carry stably in the lifting process, articles can be prevented from falling off, the safety is improved, and the articles are convenient to load and unload.

Description

TECHNICAL FIELD

[0001] The utility model relates to intelligent warehousing logistics technical field especially, relate to a kind of automatic vertical descent telescopic device. BACKGROUND

[0002] In intelligent warehousing equipment, hoisting equipment is often needed to assist in shifting. Hoisting equipment generally carries goods between the ground and a certain height from the ground. At present, electric hoist is generally used for lifting, and the electric hoist is hoisted by a total tension rope on a pulley block. The hoisting process is unstable, and if the goods are preloaded in an open carrying box, the carrying box is prone to tilting during carrying, which may cause the goods to fall, resulting in damage to the goods and even safety accidents.

[0003] In addition, in order to ensure the stability of the carrying box, ropes are also tied around the periphery of the carrying box. The ends of the ropes away from the carrying box are connected to the total tension rope. Although this method has improved, the total tension rope still causes the carrying box to sway during carrying, making it difficult to maintain stability, and the improvement effect is not good. Moreover, the ropes around the periphery are difficult to keep synchronized, and may become entangled, making it impossible to work. At the same time, the gap between the ropes around the periphery gradually decreases from bottom to top, which may affect the loading and unloading of goods in the carrying box. SUMMARY

[0004] The utility model aims to provide an automatic vertical descent telescopic device to overcome the deficiencies in the prior art.

[0005] To solve the above technical problems, the technical scheme of the utility model is as follows: an automatic vertical descent telescopic device, comprising a main frame, two rotating shafts symmetrically arranged on the front and rear sides of the main frame, a steel belt wheel fixed at each end of each rotating shaft, a steel belt wound on each steel belt wheel, four steel belts with one end fixed on a steel belt wheel and the other end connected to a corner of a grabbing device, and the grabbing device used for grabbing a carrying box. The two rotating shafts are synchronously and reversely rotated by a driving mechanism arranged on the main frame, which drives the four steel belts to synchronously stretch and contract in a vertical state along the vertical direction. Moreover, the four steel belts are conductive steel belts, which can transmit electricity and signals to the grabbing device.

[0006] Further, the automatic vertical descent telescopic device described above has an electric brush connected to one side of each steel belt, and the electric brush is fixed on the main frame by an electric brush holder.

[0007] Further, the automatic vertical descent telescopic device described above has four steel belt wheels arranged in a square shape.

[0008] Further, the automatic vertical descent telescopic device, the winding direction of the steel belt on the steel belt wheel of one rotating shaft is opposite to the winding direction of the steel belt on the steel belt wheel of the other rotating shaft.

[0009] Further, the automatic vertical descent telescopic device, the two ends of the rotating shaft are further provided with bearings mounted on the main frame, the two bearings at the two ends are arranged on the outer sides of the two steel belt wheels and are symmetrically arranged with the centers of the two steel belt wheels as the centers.

[0010] Further, the automatic vertical descent telescopic device, the driving mechanism comprises a servo motor, a main speed reducer, and a secondary speed reducer, the main speed reducer is fixed in the middle of the main frame and is connected with the output end of the servo motor, and one secondary speed reducer is arranged on each side of the main speed reducer, and the two secondary speed reducers are the same angle speed reducers and are connected with one end of one rotating shaft, respectively.

[0011] Further, the automatic vertical descent telescopic device further comprises a pressing mechanism, the pressing mechanism comprises four pressing assemblies, and each pressing assembly is arranged on one side of a steel belt to elastically press the steel belt.

[0012] Further, the automatic vertical descent telescopic device, the pressing assembly comprises a fixed block, a torsion spring, a pressing rod, and a pressing wheel, the fixed block is arranged on the inner side of the main frame, one side of the fixed block is provided with a torsion spring rod, the other end of the torsion spring rod is provided with a pressing rod which is rotationally connected with the torsion spring rod, the main body of the torsion spring is sleeved on the torsion spring rod, one torsion end of the torsion spring is elastically pressed on the fixed block, and the other torsion end of the torsion spring is elastically pressed on the pressing rod, the pressing rod is provided with the pressing wheel at the end, away from the torsion spring rod, the pressing wheel is arranged on one side of the steel belt wheel, and the telescopic end of the steel belt is elastically pressed on the steel belt wheel by the torsion spring.

[0013] Further, the automatic vertical descent telescopic device, the main frame is made of aluminum alloy profiles.

[0014] Further, the automatic vertical descent telescopic device, the main frame is further provided with four positioning blocks, and the main frame is rigidly and positionally connected with the grabbing device through the four positioning blocks.

[0015] Compared with the prior art, the automatic vertical descent telescopic device has the advantages that the structure is simple and stable, the carrying box can be stably carried during hoisting, the safety is improved, and the articles can be prevented from falling, and the articles can be conveniently loaded and unloaded. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings described below are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.

[0017] Figure 1 It is a structural schematic view of the automatic vertical descent telescopic device of the present application.

[0018] Figure 2 It is a structural schematic view of the pressing assembly of the automatic vertical descent telescopic device of the present application.

[0019] In the figure: 1, main frame; 2, rotating shaft; 3, steel belt wheel; 4, steel belt; 5, driving mechanism; 51, servo motor; 52, main speed reducer; 53, auxiliary speed reducer; 61, brush; 62, brush holder; 7, bearing; 8, pressing mechanism; 81, fixed block; 82, torsional spring; 83, pressing rod; 84, pressing wheel; 9, positioning block. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0021] Embodiment 1

[0022] As Figure 1 , 2As shown, an automatic vertical telescopic device includes a main frame 1 and two rotating shafts 2 symmetrically arranged on the front and rear sides of the main frame 1. Each rotating shaft 2 has a steel pulley 3 fixed at both ends, and a steel belt 4 is wound around each steel pulley 3. One end of each of the four steel belts 4 is fixed to a steel pulley 3, and the other end is connected to a corner of a gripping device (not shown in the figure). The gripping device is used to grip the transport box. It should be noted that the gripping device is not limited to gripping devices and can also be other structures that fix and transport the box. The two rotating shafts 2 rotate synchronously in opposite directions through a drive mechanism 5 set on the main frame 1, which drives the four steel belts 4 to extend and retract synchronously in a vertical state. The four steel belts 4 are arranged in a square on the main frame 1, which can be rectangular or square, for greater stability. Through the arrangement of the steel belts and the lifting method, the transport box can be transported smoothly during the lifting process, avoiding items falling and improving safety. Since the steel belts 4 extend and retract (descend) in a vertical state, the spacing between the steel belts does not change in the direction from top to bottom, which facilitates loading and unloading of items.

[0023] During operation, items are placed into the transport container manually or using automated loading and unloading equipment. The vertical telescopic device then automatically raises and connects the transport container, completing the process and loading / unloading items at the designated location. This invention features an automatic high-altitude descent function, with a maximum lifting height of 6 meters, automatically lowering the transport container vertically to a designated height on the ground.

[0024] In the above structure, all four steel strips 4 are conductive steel strips, capable of transmitting electricity and signals to the gripping device. Specifically, as shown... Figure 1 As shown, each steel strip 4 has a brush 61 connected to one side. The brush 61 is fixed to the main frame 1 by a brush holder 61, and the brush 61 enables the steel strip 4 to conduct electricity. In this embodiment, of the four steel strips 4, two are powered by 24V (positive and negative), and the other two are for CAN signals (CANH and CANL), realizing the power supply and communication connection between the upper and lower parts of the steel strips. With this setting, no additional electrical connection wires are needed, making the overall design simpler.

[0025] To make the descent of the four steel belts more stable, such as Figure 1 As shown, the winding direction of the steel belt 4 on one shaft 2 on the steel pulley 3 is opposite to the winding direction of the steel belt 4 on the other shaft 2 on the steel pulley 3.

[0026] To ensure the high-speed and stable operation of shaft 2, such as Figure 1 As shown, the two ends of the rotating shaft 2 are also provided with bearings 7 mounted on the main frame 1. The two bearings 7 at both ends are located on the outside of the two steel pulleys 3 and are symmetrically arranged with the center of the two steel pulleys 3 as the center.

[0027] Among them, such as Figure 1As shown, the driving mechanism 5 includes a servo motor 51, a main reducer 52, a secondary reducer 53, the main reducer 52 is fixed in the middle of the main frame 1, connected with the output end of the servo motor 51, and the two sides of the main reducer 52 are respectively provided with a secondary reducer 53 connected therewith, the two secondary reducers 53 are the same angle reducer, and are respectively connected with one end of one rotating shaft 2. The driving mechanism 5 has simple structure, convenient installation, and good synchronism, thereby ensuring the synchronousity of the vertical descent of the four steel belts.

[0028] In the embodiment, the servo motor 51 is a high-power servo motor, and is provided with an electromagnetic brake assembly, thereby ensuring the self-locking ability of the product and improving the safety of the device; the main reducer 52 adopts an ultra-large reduction ratio, thereby making the equipment more stable and reliable during operation. In addition, the main frame 1 is further provided with a single-chip microcomputer, which controls the servo motor to control the walking distance of the steel belt vertical descent through 485, so as to make the walking distance accurate.

[0029] Embodiment 2

[0030] Based on the structure of embodiment 1, as shown in Figure 1 , 2 The automatic vertical descent telescopic device further includes a pressing mechanism 8, the pressing mechanism 8 includes four pressing assemblies, each of the pressing assemblies is arranged on one side of one steel belt 4, and elastically presses the steel belt 4. The pressing assembly includes a fixed block 81, a torsion spring 82, a pressing rod 83, and a pressing wheel 84, the fixed block 81 is arranged on the inner side of the main frame 1, one side of the fixed block 81 is provided with a torsion spring rod, the other end of the torsion spring rod is provided with the pressing rod 83 in rotational connection, the main body of the torsion spring 82 is sleeved on the torsion spring rod, one torsion end of the torsion spring 82 is elastically pressed on the fixed block 81, and the other torsion end is elastically pressed on the pressing rod 83, one end of the pressing rod 83 away from the torsion spring rod is provided with the pressing wheel 84, the pressing wheel 84 is arranged on one side of the steel belt wheel 3, and the telescopic end of the steel belt 4 is elastically pressed on the steel belt wheel 3 through the torsion spring 83. Through the arrangement of the pressing mechanism 8, the steel belt 4 is tightly matched with the steel belt wheel 3 without shaking allowance and gap, thereby ensuring the stable carrying of the carrying box during lifting. In addition, since the steel belt 4 is conductive, the pressing wheel 84 is made of insulating material.

[0031] In order to make the product lighter while ensuring the strength, the main frame 1 is made of aluminum alloy profile.

[0032] In addition, as shown in Figure 1 The main frame 1 is further provided with four positioning blocks 9, the four positioning blocks 9 are located on the outer sides of the four steel belt wheels 3, and the main frame 1 is rigidly positioned and connected with the grabbing device through the four positioning blocks 9. In the embodiment, the main frame 1 is fixed on the hoisting trolley, when the hoisting trolley moves, the steel belt 4 is retracted, the main frame 1 is rigidly connected with the grabbing device through the positioning block 9, the carrying box can be prevented from shaking when the hoisting trolley moves, and the stability is further ensured.

[0033] It will be obvious to a person skilled in the art that the application is not limited to the details of the above-described exemplary embodiments, but that the application can be implemented in other concrete forms without departing from the spirit or essential characteristics of the application. The embodiments should, therefore, be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the above description, and all changes which come within the meaning and range of equivalents of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the scope of the claims concerned.

[0034] Furthermore, it should be understood that although the present specification describes exemplary embodiments, the application is not limited to only one independent technical solution in each embodiment, and the specification is described in this way only for the sake of clarity, and a person skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by a person skilled in the art.

Claims

1. An automatic parafoil deployment apparatus, characterized by: The utility model relates to a kind of box grabbing device, including main frame, two rotating shafts arranged symmetrically in front and back sides of main frame, two ends of each rotating shaft are fixed with a steel pulley, steel belt is wound on each steel pulley, four steel belts are fixed on one steel pulley respectively at one end, and the other end is connected with the corner of grabbing device respectively, and the grabbing device is used to grab carrying box;Two rotating shafts are synchronously reversed by driving mechanism arranged on main frame, and drive four steel belts to synchronously stretch and contract in vertical direction in perpendicular state;And four steel belts are all conductive steel belts, and can transmit electricity and signal to grabbing device.

2. The automatic droppable telescoping device of claim 1, wherein: One side of each steel belt is provided with a brush connected thereto, and the brush is fixed on the main frame by a brush holder.

3. The automatic droppable telescoping device of claim 1, wherein: Four steel pulleys are arranged in a square.

4. The automatic droppable telescoping device of claim 1, wherein: The winding direction of the steel belt on the steel pulley on one rotating shaft is opposite to the winding direction of the steel belt on the steel pulley on the other rotating shaft.

5. The automatic droppable telescoping device of claim 1, wherein: Both ends of the rotating shaft are also provided with bearings mounted on the main frame, and the two bearings at both ends are arranged outside the two steel pulleys and symmetrically arranged with the center of the two steel pulleys as the center.

6. The automatic, free-fall, telescoping device of claim 5, wherein: The driving mechanism includes a servo motor, a main speed reducer, and a secondary speed reducer. The main speed reducer is fixed in the middle of the main frame and connected to the output end of the servo motor. The main speed reducer is provided with a secondary speed reducer on both sides. The two secondary speed reducers are the same angle speed reducer and are connected to one end of the rotating shaft.

7. The automatic parafoil deployment system of claim 1, wherein: It also includes a pressing mechanism, which includes four pressing assemblies. Each pressing assembly is arranged on one side of the steel belt to elastically press the steel belt.

8. The automatic, free-fall, telescoping device of claim 7, wherein: The pressing assembly includes a fixed block, a torsion spring, a pressing rod, and a pressing wheel. The fixed block is inside the main frame, and one side of the fixed block is provided with a torsion spring rod. The other end of the torsion spring rod is provided with a pressing rod rotatably connected thereto. The main body of the torsion spring is sleeved on the torsion spring rod, and one torsion end is elastically pressed on the fixed block, and the other torsion end is elastically pressed on the pressing rod. The end of the pressing rod away from the torsion spring rod is provided with a pressing wheel. The pressing wheel is arranged on one side of the steel pulley, and the stretching end of the steel belt is elastically pressed on the steel pulley by the torsion spring.

9. The automatic parafoil deployment system of claim 1, wherein: The main frame is made of aluminum alloy profile.

10. The automatic parafoil deployment system of claim 1, wherein: The main frame is also provided with four positioning blocks, and the main frame is rigidly positioned and connected with the grabbing device by the four positioning blocks.

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