Liftable load-bearing goods shelf

Abstract

The utility model discloses a liftable bearing goods shelf which comprises two bases, a fixed bearing plate is installed between the two bases, four supporting frames are symmetrically and fixedly installed on the surfaces of the two bases, two movable bearing plates are arranged among the four supporting frames in a sliding mode, and installation cavities are formed in the opposite sides of the two bases. Lifting mechanisms for lifting the two groups of movable bearing plates are mounted in the two groups of mounting cavities; driving pieces in the two sets of lifting mechanisms are synchronously started to drive two sets of driven bevel gears connected with the two sets of lifting mechanisms to rotate, so that the four sets of homodromous double-thread screws rotate synchronously, and then two sets of movable bearing plates in threaded connection with the outer walls of the four sets of homodromous double-thread screws can be lifted; the four sets of homodromous double-thread screws are matched with the sliding blocks to support the movable bearing plate and goods on the movable bearing plate, the movable bearing plate is even in stress and not prone to overturning, goods storage and taking are convenient, and meanwhile the device has the advantage that energy consumption is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical processing equipment, in particular to a liftable load-bearing shelf. Background Art

[0002] The widespread use of shelves has brought great convenience to warehouse management, product retail, production and life. Traditional shelves include layer shelves, layer format shelves, drawer shelves, cabinet shelves, U-shaped shelves, cantilever shelves, grid shelves, saddle shelves, gas cylinder racks, tire special shelves, etc.; new shelves include: rotary shelves, mobile shelves, shuttle racks, assembled shelves, adjustable shelves, pallet racks, car-in shelves, high-rise shelves, loft shelves, gravity shelves, screen-mounted shelves, etc.

[0003] For example, a liftable load-bearing shelf (Announcement No.: CN212830760U) includes columns, fixed crossbeams, fixed longitudinal beams, fixed top beams and support beams. The columns, fixed crossbeams, fixed longitudinal beams and fixed top beams together constitute a fixed frame structure. There are also several movable crossbeams between the columns. The two ends of the movable crossbeams are movably connected to the columns and can be lifted and lowered on the columns. The support beams are fixed on two opposite movable crossbeams to form a shelf structure that can store goods. The technical solution sets up a liftable shelf structure. Each shelf is lifted and lowered by the transmission mechanism. The forklift only needs to perform access operations at a lower shelf height. The high-level goods are lifted and lowered with the cooperation of the movable crossbeams to achieve high-level storage and low-level retrieval, thereby coordinating the dependence of heavy goods on forklifts and eliminating the restrictions on the shelf height by forklifts, making full use of the storage space at the high end of the shelf.

[0004] Based on the search of the above patents and in combination with the equipment in the prior art, it is found that when the above equipment is used to lift each layer of shelves, the four motors on the shelf need to be started synchronously to drive the connected gears and racks to drive, and then lift the shelf. The gears and racks cooperate to support the shelves and the goods on the shelves. When used for a long time, the teeth on the gears and racks are easily damaged, causing the goods on the shelves to overturn. In addition, each layer of the shelf requires four motors to be used synchronously, which consumes a lot of energy. Therefore, we need to propose a liftable load-bearing shelf. Utility Model Content

[0005] The purpose of the utility model is to provide a liftable load-bearing shelf, which can solve the problems raised in the above-mentioned background technology by synchronously starting the driving parts in two sets of lifting mechanisms to drive the two sets of driven bevel gears connected thereto to rotate, so that four sets of co-directional double-thread screws can rotate synchronously, and then the two sets of movable supporting plates threadedly connected on the outer walls of the four sets of co-directional double-thread screws can be lifted and lowered.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A liftable load-bearing shelf comprises two groups of bases, a fixed support plate is installed between the two groups of bases, four groups of support frames are symmetrically fixedly installed on the surfaces of the two groups of bases, two groups of movable support plates are slidably arranged between the four groups of support frames, installation cavities are opened on opposite sides of the two groups of bases, and lifting mechanisms for lifting the two groups of movable support plates are installed inside the two groups of installation cavities;

[0008] The lifting mechanism includes two groups of co-directional double-thread screws, which are rotatably installed in the interior of two groups of support frames on adjacent sides respectively, and the bottoms of the co-directional double-thread screws pass through the base and are fixedly sleeved with driven bevel gears, and the opposite sides of the two groups of driven bevel gears are meshed with driving parts, and the upper and lower threads of the co-directional double-thread screws are threadedly connected with sliders, and the two groups of sliders are fixedly connected to one side of the two groups of movable support plates respectively.

[0009] Preferably, the driving member includes a dual-axis motor, which is installed inside the installation cavity, and the two output shafts of the dual-axis motor are fixedly connected to a rotating rod, and the opposite ends of the two groups of rotating rods are fixedly sleeved with driving bevel gears, and the two groups of driving bevel gears are respectively meshed with the two groups of driven bevel gears.

[0010] Preferably, the dual-axis motor is fixedly mounted at the center of the bottom of the installation cavity through a motor seat, and the two sets of dual-axis motors are synchronously arranged.

[0011] Preferably, the installation cavity is located on an outer wall of the rotating rod and a support plate is sleeved thereon, and the support plate is rotatably connected to the rotating rod via a bearing.

[0012] Preferably, a sealing plate for sealing the installation cavity is installed on one side of the base, and the sealing plate is detachable.

[0013] Preferably, a group of reinforcing frames is fixedly installed between the two groups of support frames located on the top of the same base, and the reinforcing frames are composed of four connecting rods.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] The utility model starts driving parts in two sets of lifting mechanisms synchronously, which respectively drive the two sets of driven bevel gears connected thereto to rotate, so that four sets of co-directional double-thread screws rotate synchronously, and then two sets of movable supporting plates threadedly connected on the outer walls of the four sets of co-directional double-thread screws can be lifted and lowered. The movable supporting plates and goods on the movable supporting plates are supported by the four sets of co-directional double-thread screws in cooperation with sliding blocks, so that the movable supporting plates are evenly stressed and not prone to overturning, which facilitates the storage and retrieval of goods, and at the same time has the advantage of reducing energy consumption. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model from the side;

[0017] Figure 2 It is a schematic diagram of the structure of the utility model in cross section;

[0018] Figure 3 It is a structural schematic diagram of the lifting mechanism and the movable supporting plate of the utility model.

[0019] In the figure: 1. base; 2. fixed support plate; 3. support frame; 4. movable support plate; 5. installation cavity; 6. lifting mechanism; 61. co-directional double-thread screw; 62. driven bevel gear; 63. slider; 64. driving member; 641. dual-axis motor; 642. rotating rod; 643. active bevel gear; 7. sealing plate; 8. reinforcement frame; 9. support plate. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-3 , the utility model provides a technical solution:

[0022] A liftable load-bearing shelf comprises two groups of bases 1, a fixed support plate 2 is installed between the two groups of bases 1, four groups of support frames 3 are symmetrically fixedly installed on the surfaces of the two groups of bases 1, two groups of movable support plates 4 are slidably arranged between the four groups of support frames 3, installation cavities 5 are opened on opposite sides of the two groups of bases 1, and lifting mechanisms 6 for lifting the two groups of movable support plates 4 are installed inside the two groups of installation cavities 5;

[0023] The lifting mechanism 6 includes two groups of same-direction double-thread screws 61, which are rotatably installed inside the two groups of support frames 3 on the adjacent side, and the bottom of the same-direction double-thread screws 61 passes through the base 1 and is fixedly sleeved with a driven bevel gear 62. The opposite side of the two groups of driven bevel gears 62 is meshed with a driving member 64, and the upper and lower threads of the same-direction double-thread screws 61 are threadedly connected with a slider 63. The two groups of sliders 63 are respectively fixedly connected to one side of the two groups of movable supporting plates 4, so that the driving members 64 in the two groups of lifting mechanisms 6 can be started synchronously to drive the two groups of driven bevel gears 62 connected thereto to rotate, so that the four groups of same-direction double-thread screws 61 can rotate synchronously, and then the sliders 63 threadedly connected on the outer walls of the four groups of same-direction double-thread screws 61 can be lifted and lowered, and the two groups of movable supporting plates 4 can be driven to lift and lower through the four groups of sliders 63.

[0024] It is worth noting that the distance between the two sets of movable supporting plates 4 is fixed.

[0025] The driving member 64 includes a dual-axis motor 641, which is installed inside the installation cavity 5. The two output shafts of the dual-axis motor 641 are fixedly connected to the rotating rod 642. The opposite ends of the two groups of rotating rods 642 are fixedly sleeved with driving bevel gears 643. The two groups of driving bevel gears 643 are respectively meshed with the two groups of driven bevel gears 62, so that the two output shafts of the dual-axis motor 641 can drive the driving bevel gears 643 on the two groups of rotating rods to mesh with the driven bevel gears 62.

[0026] The dual-axis motor 641 is fixedly installed at the center of the bottom of the installation cavity 5 through a motor seat, and two groups of dual-axis motors 641 are synchronously arranged.

[0027] A support plate 9 is sleeved on the outer wall of the installation cavity 5 located at the rotating rod 642. The support plate 9 is rotatably connected to the rotating rod 642 through a bearing, so that the support plate 9 can provide supporting force when the rotating rod 642 rotates.

[0028] A sealing plate 7 for sealing the installation cavity 5 is installed on one side of the base 1 . The sealing plate 7 is detachable, which is convenient for maintenance of the components in the installation cavity 5 .

[0029] A group of reinforcing frames 8 is fixedly installed between the two groups of supporting frames 3 located on the top of the same base 1. The reinforcing frame 8 is composed of four connecting rods, so as to improve the stability between the two groups of supporting frames 3 through the reinforcing frame 8.

[0030] Working principle: When the utility model is in use, the driving parts 64 in the two sets of lifting mechanisms 6 are started synchronously, and the two sets of driven bevel gears 62 connected thereto are driven to rotate respectively, so that the four sets of co-directional double-thread screws 61 can rotate synchronously, and then the sliders 63 threadedly connected on the outer walls of the four sets of co-directional double-thread screws 61 can be lifted and lowered, and the two sets of movable supporting plates 4 can be driven to lift and lower by the four sets of sliders 63. When it is necessary to store goods, the two sets of movable supporting plates 4 can be lowered first, so that the bottom movable supporting plates 4 are attached to the fixed supporting plates 2, and the goods can be stored on the two sets of movable supporting plates 4 respectively, and then the two sets of movable supporting plates 4 can be driven to rise by the lifting mechanism 6, and the fixed supporting plates 2 can be used to store goods, so that the internal space of the device is fully utilized and the storage capacity of the device is improved. The movable supporting plates 4 and the goods on the movable supporting plates 4 are supported by the four sets of co-directional double-thread screws 61 in cooperation with the sliders 63, so that the movable supporting plates 4 are evenly stressed and not easy to overturn, which is convenient for storing and taking goods, and the device has the advantage of reducing energy consumption.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A liftable load-bearing shelf, comprising two sets of bases (1), characterized in that: A fixed support plate (2) is installed between the two groups of bases (1); four groups of support frames (3) are symmetrically fixedly installed on the surfaces of the two groups of bases (1); two groups of movable support plates (4) are slidably arranged between the four groups of support frames (3); installation cavities (5) are provided on opposite sides of the two groups of bases (1); and lifting mechanisms (6) for lifting and lowering the two groups of movable support plates (4) are installed inside the two groups of installation cavities (5); The lifting mechanism (6) comprises two groups of co-directional double-thread screws (61), the two groups of co-directional double-thread screws (61) are rotatably mounted inside two groups of support frames (3) on adjacent sides, and the bottoms of the co-directional double-thread screws (61) penetrate the base (1) and are fixedly sleeved with driven bevel gears (62), and the opposite sides of the two groups of driven bevel gears (62) are meshed with driving members (64), and the upper threads and lower threads of the co-directional double-thread screws (61) are both threadedly connected to sliders (63), and the two groups of sliders (63) are fixedly connected to one side of the two groups of movable support plates (4), respectively.

2. A liftable load-bearing shelf according to claim 1, characterized in that: The driving member (64) comprises a dual-axis motor (641), the dual-axis motor (641) being mounted inside the mounting cavity (5), the two output shafts of the dual-axis motor (641) being fixedly connected to a rotating rod (642), the opposite ends of the two sets of rotating rods (642) being fixedly sleeved with driving bevel gears (643), and the two sets of driving bevel gears (643) being respectively meshed with the two sets of driven bevel gears (62).

3. A liftable load-bearing shelf according to claim 2, characterized in that: The dual-axis motor (641) is fixedly mounted at the center of the bottom of the mounting cavity (5) via a motor seat, and the two sets of dual-axis motors (641) are synchronously arranged.

4. A liftable load-bearing shelf according to claim 3, characterized in that: A support plate (9) is sleeved on the outer wall of the installation cavity (5) located on the rotating rod (642); the support plate (9) is rotatably connected to the rotating rod (642) via a bearing.

5. The liftable load-bearing shelf according to claim 1, characterized in that: A sealing plate (7) for sealing the installation cavity (5) is installed on one side of the base (1), and the sealing plate (7) is detachably arranged.

6. The liftable load-bearing shelf according to claim 1, characterized in that: A group of reinforcing frames (8) is fixedly installed between the two groups of support frames (3) located on the top of the same base (1), and the reinforcing frames (8) are composed of four connecting rods.

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