Lifting platform with turnover table top

Abstract

The utility model relates to a lifting platform with a turnover table top, which belongs to the technical field of lifting platforms with turnover table tops and comprises a bottom plate, a support plate is fixed on the top surface of the bottom plate, a lifting bin is slidably connected to the front surface of the support plate, a bearing plate is hinged to the top surface of the lifting bin, a turnover mechanism is arranged on the lifting bin, and the turnover mechanism is connected with the lifting bin. A lifting mechanism is arranged on the lifting bin; the overturning mechanism comprises an overturning motor fixed to the inner wall of the front side of the lifting bin, a lead screw is fixed to the rear end of an output shaft of the overturning motor, a square strip is in threaded connection with the peripheral wall of the lead screw, and a plurality of overturning rods with the top ends hinged to the bottom face of the bearing plate are hinged to the top face of the square strip. When the lifting platform with the turnover table top is used, a plurality of turnover rods are driven to turn over through a turnover motor arranged on the turnover mechanism, the plurality of turnover rods push the bearing plate to turn over forwards, then goods on the top face of the bearing plate slide down, unloading is automatically completed, and practicability is better.

Description

Technical Field

[0001] The utility model relates to the technical field of a lifting platform with a flippable table top, in particular to a lifting platform with a flippable table top. Background Art

[0002] A lifting platform is an auxiliary tool that provides convenience for people to carry heavy objects or perform aerial operations in daily life. Existing lifting platforms generally include a chassis, a lifting bracket and a load-bearing platform. The load-bearing platform rises or falls by extending or contracting the lifting bracket, thereby achieving the effect of lifting heavy objects for transportation.

[0003] For example, a Chinese patent (publication number: CN218708865U) discloses a lifting platform, including a load-bearing platform, a lifting bracket, a driving device, a chassis, a support rod and a linkage mechanism, wherein the lifting bracket is arranged on the chassis, the load-bearing platform is arranged on the lifting bracket, the support rod is arranged on the chassis, and the linkage mechanism is arranged between the lifting bracket and the support rod; the driving device is arranged on the chassis and can drive the lifting bracket to expand or fold; the lifting bracket drives the load-bearing platform away from the chassis and drives the support rod to expand through the linkage mechanism, or drives the load-bearing platform close to the chassis and drives the support rod to fold through the linkage mechanism, automatically opens the support when rising, and automatically folds the support when descending, which is convenient and safe to use.

[0004] However, the above-mentioned search patent still has some shortcomings. Its carrying platform is not convenient to flip over, and it is not convenient to automatically unload the goods when the lifting platform lifts the goods to a high place. It is inconvenient to use. Therefore, a lifting platform with a flip table is proposed to solve the above problems. Utility Model Content

[0005] In view of the shortcomings of the prior art, the utility model provides a lifting platform with a flippable table top, which has the advantages of being easy to flip the lifting platform for automatic unloading, etc., and solves the problem that the device disclosed in the above-mentioned search patent is not easy to flip the lifting platform to automatically complete unloading when in use.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a lifting platform with a flippable tabletop, comprising a bottom plate, a support plate fixed to the top surface of the bottom plate, a lifting warehouse slidably connected to the front surface of the support plate, a bearing plate hinged to the top surface of the lifting warehouse, a flipping mechanism provided on the lifting warehouse, and a lifting mechanism provided on the lifting warehouse;

[0007] The flipping mechanism includes a flipping motor fixed on the inner wall of the front side of the lifting warehouse, a screw rod is fixed to the rear end of the output shaft of the flipping motor, a square bar is threadedly connected to the outer peripheral wall of the screw rod, guide blocks are fixed on the left and right sides of the square bar, guide grooves for sliding connection of the guide blocks are opened on the inner walls on the left and right sides of the lifting warehouse, and the top surface of the square bar is hinged with multiple flip rods whose top ends are hinged to the bottom surface of the bearing plate.

[0008] Furthermore, the lifting mechanism includes a lifting motor fixed on the inner wall of the front side of the lifting warehouse, a main bevel gear is fixed to the rear end of the output shaft of the lifting motor, worm gears are rotatably connected to the inner walls on the left and right sides of the lifting warehouse, and a slave bevel gear meshing with the main bevel gear is fixed on the outer peripheral wall of the worm gear. Two transmission rods are rotatably connected between the front and rear inner walls of the lifting warehouse, a worm wheel meshing with the worm gear is fixed on the outer peripheral wall of the transmission rod, two gears are fixed on the outer peripheral wall of the transmission rod, and a tooth groove meshing with the gears is opened on the support plate.

[0009] Furthermore, four universal wheels are fixed to the bottom surface of the base plate through a mounting seat, the support plate is a U-shaped plate, the lifting bin is arranged on the inner side of the U-shaped plate, and the bearing plate is hinged to the top surface of the lifting bin near the front side.

[0010] Furthermore, the rear end of the screw rod is rotatably connected to the rear inner wall of the lifting bin, and the front side of the square bar is provided with a threaded hole for the screw rod to pass through and match with it, and the guide groove is used for the guide block to slide back and forth inside it.

[0011] Furthermore, the plurality of flip rods are evenly spaced on the left and right, the top surface of the lifting bin is provided with a plurality of movable holes for the flip rods to pass through and move inside, and one end of the flip rod facing away from the square bar is hinged to the bottom surface of the supporting plate and close to the rear side.

[0012] Furthermore, the main bevel gear is meshed with the two slave bevel gears in a U shape, and a connecting plate is rotatably connected on one side of the outer peripheral wall of the worm and fixed to the inside of the lifting bin.

[0013] Furthermore, rectangular holes for the gears to pass through are provided on both the left and right sides of the lifting bin, and the tooth grooves are in the shape of long strips for the gears to move up and down inside them, and there are four tooth grooves in total.

[0014] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0015] 1. When using the lifting platform with a flip table, the goods are placed on the top surface of the load-bearing plate for lifting and transportation. After being transported to the specified position and specified height, the flip motor arranged by the flip mechanism drives multiple flip rods to flip, and the multiple flip rods push the load-bearing plate to flip forward, so that the goods on the top surface slide down and automatically complete the unloading. It is suitable for relatively narrow operating spaces, has better practicality, and is more convenient for promotion and use.

[0016] 2. For the lifting platform with a reversible table, when the load plate needs to be lifted, the lifting motor is started. The lifting motor drives the lifting bin to lift stably through the transmission of the worm, worm wheel and gear. At the same time, the self-locking of the worm and worm wheel can prevent the lifting bin from falling suddenly, which is safer and more practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a front view schematic diagram of the utility model;

[0018] Figure 2 It is a top view schematic diagram of the turning mechanism of the utility model;

[0019] Figure 3 It is a three-dimensional schematic diagram of the turning mechanism of the utility model;

[0020] Figure 4 It is a top view schematic diagram of the lifting mechanism of the utility model.

[0021] In the figure: 1 bottom plate, 2 support plate, 3 lifting bin, 4 bearing plate, 501 flip motor, 502 lead screw, 503 square bar, 504 guide block, 505 guide groove, 506 flip rod, 601 lifting motor, 602 main bevel gear, 603 worm, 604 slave bevel gear, 605 transmission rod, 606 worm wheel, 607 gear, 608 tooth groove. DETAILED DESCRIPTION

[0022] 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.

[0023] See also Figure 1The lifting platform of this embodiment is a reversible tabletop, comprising a bottom plate 1, a supporting plate 2 is fixed to the top surface of the bottom plate 1, a lifting warehouse 3 is slidably connected to the front side of the supporting plate 2, a carrying plate 4 is hinged on the top surface of the lifting warehouse 3, a reversing mechanism is arranged on the lifting warehouse 3, and a lifting mechanism is arranged on the lifting warehouse 3. The bottom surface of the bottom plate 1 is fixed with four universal wheels through a mounting seat, the supporting plate 2 is a U-shaped plate, the lifting warehouse 3 is arranged on the inner side of the U-shaped plate, and the carrying plate 4 is hinged on the top surface of the lifting warehouse 3 near the front side. When in use, the goods are placed on the top surface of the carrying plate 4, and then the lifting warehouse 3 is driven by the lifting mechanism to perform stable lifting, which is safer and more practical. After being transported to the specified position and specified height, the carrying plate 4 is pushed forward to be flipped by the flipping mechanism, so that the goods on the top surface slide down and automatically complete the unloading, which is suitable for relatively narrow operating space, has better practicality, and is more convenient for popularization and use.

[0024] It should be noted that the control method of the present invention is controlled by a controller, and the control circuit of the controller can be implemented by simple programming by technicians in this field. The provision of power is also common knowledge in this field, and the present invention is mainly used to protect mechanical devices, so the present invention will no longer explain the control method and circuit connection in detail.

[0025] See also Figure 2-3 The flipping mechanism includes a flipping motor 501 fixed on the inner wall of the front side of the lifting warehouse 3, a screw rod 502 is fixed to the rear end of the output shaft of the flipping motor 501, a square bar 503 is threadedly connected to the outer peripheral wall of the screw rod 502, and guide blocks 504 are fixed on the left and right sides of the square bar 503. Guide grooves 505 for sliding connection of the guide blocks 504 are provided on the inner walls of the left and right sides of the lifting warehouse 3. The rear end of the screw rod 502 is rotatably connected to the inner wall of the rear side of the lifting warehouse 3, and a threaded hole for the screw rod 502 to penetrate and match with it is provided on the front side of the square bar 503. The guide groove 505 is used for the guide block 504 to slide back and forth inside it. When unloading is required, the flipping motor 501 is started, and the flipping motor 5 01 drives the screw rod 502 to rotate, and the screw rod 502 drives the square bar 503 to cooperate with the guide block 504 and the guide groove 505 to slide backward. The top surface of the square bar 503 is hinged with multiple flip rods 506 whose top ends are hinged to the bottom surface of the load-bearing plate 4. The multiple flip rods 506 are equidistantly distributed on the left and right. The top surface of the lifting warehouse 3 is provided with multiple movable holes for the flip rods 506 to pass through and move inside. The end of the flip rod 506 away from the square bar 503 is hinged to the bottom surface of the load-bearing plate 4 and close to the rear side. Further, the square bar 503 pushes the bottom end of the flip rod 506 to move backward, so that the top end of the flip rod 506 flips to lift the back side of the load-bearing plate 4, further flips the load-bearing plate 4 to make the goods slide down.

[0026] See also Figure 4In this embodiment, the lifting mechanism includes a lifting motor 601 fixed on the inner wall of the front side of the lifting warehouse 3, and the rear end of the output shaft of the lifting motor 601 is fixed with a main bevel gear 602. The inner walls of the left and right sides of the lifting warehouse 3 are both rotatably connected with worm gears 603. The outer peripheral wall of the worm gear 603 is fixed with a slave bevel gear 604 meshing with the main bevel gear 602. The main bevel gear 602 is U-shaped meshing with the two slave bevel gears 604. The outer peripheral wall of the worm gear 603 is rotatably connected with a connecting plate fixed to the inside of the lifting warehouse 3 on one side. When it is necessary to lift the goods, the lifting motor 601 is started, and the lifting motor 601 drives the main bevel gear 602 to rotate, and the main bevel gear 602 drives the two slave bevel gears 604 to rotate, and the two slave bevel gears 604 drive the two worm gears 603 to rotate synchronously in opposite directions, and the front and rear of the lifting warehouse 3 Two transmission rods 605 are rotatably connected between the inner walls, a worm wheel 606 meshing with the worm 603 is fixed on the outer peripheral wall of the transmission rod 605, two gears 607 are fixed on the outer peripheral wall of the transmission rod 605, a tooth groove 608 meshing with the gear 607 is provided on the support plate 2, and rectangular holes for the gear 607 to pass through are provided on the left and right sides of the lifting bin 3. The tooth groove 608 is long and is used for the gear 607 to move up and down therein. There are four tooth grooves 608 in total, and the two worm gears 603 drive the two worm wheels 606 to rotate synchronously in opposite directions, and the two worm wheels 606 drive the two transmission rods 605 to rotate synchronously in opposite directions. Further, the two transmission rods 605 drive the gears 607 on both sides to rotate synchronously in opposite directions, and cooperate with the tooth grooves 608 to move up and down for lifting.

[0027] The working principle of the above embodiment is:

[0028] (1) When unloading is required, the flip motor 501 is started, and the flip motor 501 drives the screw rod 502 to rotate, and the screw rod 502 drives the square bar 503 to cooperate with the guide block 504 and the guide groove 505 to slide backward. Further, the square bar 503 pushes the bottom end of the flip rod 506 to move backward, so that the top end of the flip rod 506 flips and lifts the rear side of the carrying plate 4, further causing the carrying plate 4 to flip and cause the goods to slide off.

[0029] (2) When it is necessary to lift goods, start the lifting motor 601, which drives the main bevel gear 602 to rotate, which drives the two slave bevel gears 604 to rotate, which drives the two worm gears 603 to rotate synchronously in opposite directions, which drives the two worm gears 603 to rotate synchronously in opposite directions, which drives the two worm gears 606 to rotate synchronously in opposite directions, which drives the two transmission rods 605 to rotate synchronously in opposite directions, and further, the two transmission rods 605 drive the gears 607 on both sides to rotate synchronously in opposite directions, and cooperate with the tooth grooves 608 to move up and down for lifting.

[0030] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[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 lifting platform with a reversible tabletop, comprising a bottom plate (1), characterized in that: A support plate (2) is fixed on the top surface of the bottom plate (1), a lifting bin (3) is slidably connected to the front surface of the support plate (2), a bearing plate (4) is hingedly connected to the top surface of the lifting bin (3), a turning mechanism is provided on the lifting bin (3), and a lifting mechanism is provided on the lifting bin (3); The flipping mechanism comprises a flipping motor (501) fixed on the inner wall of the front side of the lifting bin (3); a screw rod (502) is fixed to the rear end of the output shaft of the flipping motor (501); a square bar (503) is threadedly connected to the outer peripheral wall of the screw rod (502); guide blocks (504) are fixed to the left and right sides of the square bar (503); guide grooves (505) for sliding connection of the guide blocks (504) are provided on the inner walls of the left and right sides of the lifting bin (3); and a plurality of flipping rods (506) whose top ends are hinged to the bottom surface of the carrying plate (4) are hinged on the top surface of the square bar (503).

2. The lifting platform with a reversible tabletop according to claim 1, characterized in that: The lifting mechanism comprises a lifting motor (601) fixed on the front inner wall of the lifting bin (3); a main bevel gear (602) is fixed to the rear end of the output shaft of the lifting motor (601); worm gears (603) are rotatably connected to the inner walls on both sides of the lifting bin (3); a slave bevel gear (604) meshing with the main bevel gear (602) is fixed on the outer peripheral wall of the worm gear (603); two transmission rods (605) are rotatably connected between the front and rear inner walls of the lifting bin (3); a worm wheel (606) meshing with the worm gear (603) is fixed on the outer peripheral wall of the transmission rod (605); two gears (607) are fixed on the outer peripheral wall of the transmission rod (605); and a tooth groove (608) meshing with the gear (607) is provided on the support plate (2).

3. The lifting platform with a reversible tabletop according to claim 1, characterized in that: The bottom surface of the base plate (1) is fixed with four universal wheels via a mounting seat, the support plate (2) is a U-shaped plate, the lifting bin (3) is arranged on the inner side of the U-shaped plate, and the bearing plate (4) is hinged to the top surface of the lifting bin (3) near the front side.

4. The lifting platform with a reversible tabletop according to claim 1, characterized in that: The rear end of the screw rod (502) is rotatably connected to the rear inner wall of the lifting bin (3); the front side of the square bar (503) is provided with a threaded hole for the screw rod (502) to pass through and to match with the screw rod; the guide groove (505) is used for the guide block (504) to slide back and forth inside the guide groove.

5. The lifting platform with a reversible tabletop according to claim 1, characterized in that: The plurality of flip rods (506) are equidistantly distributed on the left and right sides, and the top surface of the lifting bin (3) is provided with a plurality of movable holes for the flip rods (506) to pass through and move inside the flip rods (506). One end of the flip rod (506) facing away from the square bar (503) is hinged to the bottom surface of the carrying plate (4) and close to the rear side.

6. The lifting platform with a reversible tabletop according to claim 2, characterized in that: The main bevel gear (602) is meshed with the two secondary bevel gears (604) in a U shape, and one side of the outer peripheral wall of the worm (603) is rotatably connected to a connecting plate fixed inside the lifting bin (3).

7. The lifting platform with a reversible tabletop according to claim 2, characterized in that: Rectangular holes for the gear (607) to pass through are provided on both the left and right sides of the lifting bin (3); the tooth grooves (608) are in the shape of long strips for the gear (607) to move up and down inside the grooves; and there are four tooth grooves (608) in total.

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