Telescopic unloading transportation platform

Abstract

The telescopic discharging platform comprises a gantry suspension frame, a fixing table is arranged at the bottom end of the interior of the gantry suspension frame, a guide protrusion is arranged at the top end of the fixing table, two sliding guide rails are arranged at the top end of the guide protrusion, external threads are arranged on the peripheral wall of one sliding guide rail, and a bearing plate is arranged at the upper ends of the two sliding guide rails jointly in a sliding mode; a sliding groove is formed in the upper end of the bearing plate. The invention relates to the field of loading and unloading transportation platforms. According to the telescopic discharging platform, the motor is controlled to drive the adjusting gear to rotate, so that the adjusting gear can drive the two side supporting plates to move reversely, and in the process that the two side supporting plates are staggered, a container supported at the upper ends of the two trays can automatically slide by an angle; the angle of the cargo box can be adjusted along with staggering of the side supporting plates, so that the angle of the cargo box can be adjusted conveniently, the cargo box is aligned with the plate trailer, and the purpose of improving safety and convenience during cargo loading is achieved.

Description

Technical Field

[0001] The invention relates to the field of loading and unloading transportation platforms, and in particular to a telescopic unloading and transportation platform. Background Art

[0002] In modern logistics and warehousing industries, loading and unloading operations are an indispensable part of the cargo transportation process. The connection between traditional loading and unloading platforms and trucks usually relies on manual operation, which is not only inefficient but also poses safety risks. With the development of automation technology, a variety of automated loading and unloading equipment has appeared on the market to improve loading and unloading efficiency and safety; In the prior art, most of the equipment used for loading and unloading goods is to load and unload goods by means of a hydraulic ramp in cooperation with a forklift. However, since the forklift has a certain deadweight and needs to carry heavy goods, when the forklift moves on the upper end of the hydraulic ramp, it is easy to change the center of gravity of the hydraulic ramp itself, which can easily cause the hydraulic ramp to overturn or even be damaged. Furthermore, in the prior art, when loading goods by a forklift, it is difficult to provide a good moving area for the forklift due to the small space in the pallet truck, so it is easy to cause the problem of difficulty in aligning the goods.

[0003] Therefore, those skilled in the art provide a retractable unloading and transporting platform to solve the problems raised in the above background technology. Summary of the invention

[0004] The object of the present invention is to provide a telescopic unloading and transporting platform to solve the problems raised in the above background technology.

[0005] To achieve the above object, the present invention provides the following technical solutions: The above technical objectives of the present invention are achieved through the following technical solutions: A telescopic unloading and transporting platform comprises a gantry suspension, a fixed platform is arranged at the inner bottom end of the gantry suspension, a guide protrusion is arranged at the top end of the fixed platform, two sliding guide rails are arranged at the top end of the guide protrusion, an outer peripheral wall of one of the sliding guide rails is arranged with an external thread, a bearing plate is slidably arranged at the upper ends of the two sliding guide rails, and a sliding groove is arranged at the upper end of the bearing plate; Side support plates are arranged on both sides of the sliding groove, a guide rail is provided on the bottom wall of the sliding groove, a guide block is arranged inside the guide rail, a mounting plate is fixedly arranged on the upper end of the guide block, an adjusting gear is rotatably arranged on the upper end of the mounting plate, a transmission groove is provided on the side wall of the side support plate facing the adjusting gear, a transmission rack meshing with the adjusting gear is fixedly installed inside the transmission groove, a driving structure is arranged on the side wall of the mounting plate, and an angle adjustment structure is arranged on the top of the side support plate.

[0006] Furthermore, a connecting bracket is slidingly arranged inside the guide protrusion, and hole rings are arranged at both ends of the connecting bracket. The two ends of the sliding guide rail correspond to the hole rings on both sides respectively, and the inside of the hole ring is provided with a fixed terminal threadedly connected to the sliding guide rail.

[0007] Furthermore, the driving structure includes a connecting frame, which is fixedly connected to the end wall of the mounting plate, a driving gear is arranged inside the connecting frame, the driving gear is meshed with the adjusting gear, and a control motor is arranged inside the adjusting gear.

[0008] Furthermore, an adjusting screw is provided inside the guide rail, the adjusting screw passes through the guide block and cooperates with the guide block thread, both ends of the adjusting screw are provided with a frame fixedly connected to the inner end wall of the guide rail, and one end of the adjusting screw is provided with an adjusting motor.

[0009] Furthermore, a linkage groove is provided at a position of the bottom end of the bearing plate opposite to the sliding guide rail, and a groove wall of the linkage groove is provided with an internal thread groove matching with the external thread.

[0010] Furthermore, the angle adjustment structure includes a positioning guide rail, which is opened at the upper end of the side support plate. An adjustment slider is arranged inside the positioning guide rail, a rotating shaft is arranged at the top of the adjustment slider, a tray is rotatably arranged at the upper end of the rotating shaft, and a transmission structure is arranged at the top of the tray.

[0011] Furthermore, the transmission structure includes a sliding plate, which is slidably arranged on the top of the tray, a transmission guide rail inserted into the interior of the tray is arranged at the bottom of the sliding plate, and a return spring fixedly connected to the tray is arranged at the bottom of the transmission guide rail, a mounting bracket is arranged at the upper end of the sliding plate, an electric transmission belt is arranged at the top of the mounting bracket, and a supporting frame is arranged inside the electric transmission belt.

[0012] Furthermore, an electric extension plate is provided at the bottom end of the gantry suspension, and a supporting foot is provided at the end of the electric extension plate.

[0013] In summary, the present invention includes at least one of the following beneficial technical effects: 1. This telescopic unloading and transporting platform drives the adjusting gear to rotate by controlling the motor, so that the adjusting gear can drive the two side support plates to move in the opposite direction. In the process of the two side support plates interlacing with each other, the cargo box supported on the upper ends of the two pallets can automatically slide at an angle, so that the cargo box can follow the interlacing of the side support plates to adjust the angle, so as to adjust the angle of the cargo box and align the cargo box with the truck, so as to achieve the purpose of improving the safety and convenience when loading goods; 2. A retractable unloading and transporting platform, which is used to install a sliding guide rail through the setting of a connecting bracket and an eye ring, and is used to lock the sliding guide rail through the setting of a fixed terminal, so that the sliding guide rail is rotatably connected with the eye ring, and a driving motor is provided at one end of the sliding guide rail with an external thread. When in use, the driving motor controls the sliding guide rail with an external thread to rotate, so as to control the sliding of the bearing plate, and a hydraulic lifting platform is provided at the bottom end of the connecting bracket to control the height of the bearing plate so that the bearing plate can extend into the interior of the flatbed truck; 3. This retractable unloading and transporting platform, after the load-bearing plate and the side support plate are extended, the transmission motor pushes the adjusting slider to move to one end of the positioning guide rail and corresponds to the extension direction of the side support plate. At this time, the cargo box is placed on the top of the two pallets by a forklift, and then the load-bearing plate, the side support plate and the adjusting slider move in the opposite direction to extend the goods into the interior of the truck for loading. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0015] Figure 1 It is a structural schematic diagram of a telescopic unloading and transporting platform of the present invention; Figure 2 It is a schematic structural diagram of a retractable unloading and transporting platform of the present invention after the carrying plate is extended; Figure 3 It is a structural schematic diagram of a gantry suspension of a telescopic unloading and transporting platform of the present invention; Figure 4 It is a structural schematic diagram of a bearing plate of a telescopic unloading and transporting platform of the present invention; Figure 5 It is a structural schematic diagram of a driving structure of a telescopic unloading and transporting platform of the present invention; Figure 6 It is a schematic structural diagram of two staggered side support plates of a telescopic unloading and transporting platform of the present invention; Figure 7 It is a cross-sectional view of a carrying plate of a telescopic unloading and transporting platform of the present invention; Figure 8 It is a structural schematic diagram of a transmission structure of a telescopic unloading and transporting platform of the present invention.

[0016] In the figure, 1, gantry suspension; 2, fixed platform; 3, guide protrusion; 4, sliding guide rail; 5, external thread; 6, bearing plate; 7, sliding groove; 8, side support plate; 9, guide slide rail; 10, guide block; 11, mounting plate; 12, adjusting gear; 13, transmission groove; 14, transmission rack; 15, driving structure; 151, connecting frame; 152, driving gear; 16, connecting bracket; 17, hole ring; 18, fixing terminal; 19, adjusting screw; 20, adjusting motor; 21, linkage groove; 22, inner screw groove; 23, positioning guide rail; 24, adjusting slider; 25, rotating shaft; 26, tray; 27, positioning outer frame; 28, inserting guide rail; 29, lifting slide groove; 30, electric extension plate; 31, transmission structure; 32, sliding plate; 33, transmission guide rail; 34, mounting bracket; 35, electric transmission belt; 36, supporting skeleton. DETAILED DESCRIPTION

[0017] Below, the invention is further described in conjunction with the accompanying drawings and specific embodiments: Example

[0018] Reference Figure 1 - Figure 8 The present invention discloses a telescopic unloading and transporting platform, comprising a gantry suspension 1, a fixed platform 2 is arranged at the inner bottom end of the gantry suspension 1, a guide protrusion 3 is arranged at the top end of the fixed platform 2, two sliding guide rails 4 are arranged at the top end of the guide protrusion 3, an outer peripheral wall of one of the sliding guide rails 4 is arranged with an external thread 5, a bearing plate 6 is slidably arranged at the upper ends of the two sliding guide rails 4, and a sliding groove 7 is opened at the upper end of the bearing plate 6; Side support plates 8 are provided on both sides of the sliding groove 7, a guide rail 9 is provided on the bottom wall of the sliding groove 7, a guide block 10 is provided inside the guide rail 9, a mounting plate 11 is fixedly provided on the upper end of the guide block 10, an adjusting gear 12 is rotatably provided on the upper end of the mounting plate 11, a transmission groove 13 is provided on the side wall of the side support plate 8 facing the adjusting gear 12, a transmission rack 14 meshing with the adjusting gear 12 is fixedly installed inside the transmission groove 13, a driving structure 15 is provided on the side wall of the mounting plate 11, and an angle adjustment structure is provided on the top of the side support plate 8.

[0019] In this embodiment, when in use, the sliding guide rail 4 with the external thread 5 is rotated to push the bearing plate 6 to move, so that the bearing plate 6 extends out of the gantry suspension 1, and then the guide block 10 is pushed to move in the guide rail 9, so that the mounting plate 11 drives the adjusting gear 12 to move. At this time, the adjusting gear 12 does not rotate, and then cooperates with the transmission grooves 13 and the transmission rack 14 on both sides to push the two side support plates 8 to slide, so that the two side support plates 8 extend out of the bearing plate 6. Figure 2The structural diagram of the load-bearing plate 6 after extending out of the gantry suspension 1 is shown, at this time, the goods are placed on the top of the two side support plates 8 by a forklift, and then the load-bearing plate 6 and the side support plates 8 move in the opposite direction to extend the goods into the interior of the truck for the purpose of loading; Compared with the prior art, the movable side support plate 8 and the load-bearing plate 6 together form a retractable loading and unloading platform, which can effectively transfer the goods directly to the inside of the truck, effectively avoid forklifts getting on and off the truck, and effectively improve the safety of cargo loading; By setting the angle adjustment mechanism, the cargo box can follow the staggered movement of the two side support plates 8 to perform angle deflection, so as to adjust the angle of the cargo box and align the cargo box with the cart, thereby achieving the purpose of improving safety and convenience when loading goods.

[0020] In a further preferred embodiment of the present invention, Figure 2 , Figure 3 and Figure 4 As shown, a connecting bracket 16 is slidably provided inside the guide protrusion 3, and hole rings 17 are provided at both ends of the connecting bracket 16. The two ends of the sliding guide rail 4 correspond to the hole rings 17 on both sides respectively, and a fixed terminal 18 threadedly connected to the sliding guide rail 4 is provided inside the hole ring 17.

[0021] In this embodiment, the connecting bracket 16 and the hole ring 17 are provided to install the sliding guide rail 4, and the fixed terminal 18 is provided to lock the sliding guide rail 4, so that the sliding guide rail 4 is rotatably connected to the hole ring 17, and a driving motor is provided at one end of the sliding guide rail 4 with an external thread 5. When in use, the driving motor controls the rotation of the sliding guide rail 4 with the external thread 5 to control the sliding of the bearing plate 6. A hydraulic lifting platform is provided at the bottom end of the connecting bracket 16 to control the height of the bearing plate 6 so that the bearing plate 6 can extend into the interior of the cart.

[0022] In a further preferred embodiment of the present invention, Figure 6 As shown, the driving structure 15 includes a connecting frame 151, which is fixedly connected to the end wall of the mounting plate 11, and a driving gear 152 is arranged inside the connecting frame 151, and the driving gear 152 is meshed with the adjusting gear 12, and a control motor is arranged inside the adjusting gear 12.

[0023] In this embodiment, the motor is controlled to drive the adjusting gear 12 to rotate, so that the adjusting gear 12 can drive the two side support plates 8 to move in the opposite direction. Figure 6As shown, in the process of the two side support plates 8 being staggered with each other, the cargo box supported on the upper ends of the two pallets 26 can automatically slide in angle, so that the cargo box can be adjusted in angle following the staggering of the side support plates 8, so as to facilitate the adjustment of the angle of the cargo box and align the cargo box with the cart, thereby achieving the purpose of improving the safety and convenience when loading goods.

[0024] In a further preferred embodiment of the present invention, Figure 7 As shown, an adjusting screw 19 is arranged inside the guide rail 9, the adjusting screw 19 passes through the guide block 10 and is threadedly matched with the guide block 10, both ends of the adjusting screw 19 are provided with a frame fixedly connected to the inner end wall of the guide rail 9, and one end of the adjusting screw 19 is provided with an adjusting motor 20.

[0025] In this embodiment, Figure 7 As shown, when in use, the adjusting motor 20 drives the adjusting screw 19 to rotate, so that the adjusting screw 19 controls the guide block 10 to slide, thereby controlling the installation plate 11 to move, so as to cooperate with the adjusting gear 12 to push the two side support plates 8 to slide.

[0026] In a further preferred embodiment of the present invention, Figure 4 As shown, a linkage groove 21 is provided at a position of the bottom end of the bearing plate 6 opposite to the sliding guide rail 4 , and an inner screw groove 22 matching with the outer screw thread 5 is provided on the groove wall of the linkage groove 21 .

[0027] In this embodiment, the linkage groove 21 is provided to install the bearing plate 6, and the inner screw groove 22 is threadedly matched with the outer thread 5, so that when the sliding guide rail 4 with the outer thread 5 is rotated, the bearing plate 6 can be effectively pushed to slide.

[0028] In a further preferred embodiment of the present invention, Figure 5 and Figure 6 As shown, the angle adjustment structure includes a positioning guide rail 23, which is opened at the upper end of the side support plate 8. An adjusting slider 24 is arranged inside the positioning guide rail 23, and a rotating shaft 25 is arranged at the top of the adjusting slider 24. A tray 26 is rotatably arranged at the upper end of the rotating shaft 25, and a transmission structure 31 is arranged at the top of the tray 26.

[0029] In this embodiment, the positioning guide rail 23 is used to install the adjusting slider 24, wherein the internal thread of the adjusting slider 24 is connected with a transmission screw, and the transmission screw is rotatably arranged inside the adjusting slider 24, and a transmission motor for driving the transmission screw to rotate is arranged at the end of the transmission screw, and the transmission motors arranged inside the two side support plates 8 are synchronous motors (that is, the rotation direction and speed of the two transmission motors are always the same); The load-bearing plate 6 extends out of the gantry suspension 1, and the two side support plates 8 are extended out of the load-bearing plate 6 by adjusting the gear 12. When both the load-bearing plate 6 and the side support plates 8 extend out of the load-bearing plate 6, the adjusting slider 24 is pushed by the transmission motor to move to one end of the positioning guide rail 23, and corresponds to the extension direction of the side support plates 8, such as Figure 2 As shown, at this time, the cargo box is placed on the top of the two pallets 26 by a forklift, and then the load-bearing plate 6, the side support plate 8 and the adjusting slider 24 move in the opposite direction to extend the goods into the interior of the truck for the purpose of loading.

[0030] In a further preferred embodiment of the present invention, Figure 2 and Figure 3 As shown, the transmission structure 31 includes a sliding plate 32, which is slidably set on the top of the tray 26, and the bottom end of the sliding plate 32 is provided with a transmission guide rail 33 inserted into the inside of the tray 26, and the bottom end of the transmission guide rail 33 is provided with a return spring fixedly connected to the tray 26, and the upper end of the sliding plate 32 is provided with a mounting bracket 34, and the top end of the mounting bracket 34 is provided with an electric transmission belt 35, and the inside of the electric transmission belt 35 is provided with a support frame 36.

[0031] In this embodiment, when the cargo box is placed on the top of the pallet 26, the cargo box and the electric conveyor belt 35 are in contact with each other. When the load-bearing plate 6 and the side support plate 8 slide to transfer the cargo box to the interior of the flatbed cart or truck, the electric conveyor belt 35 drives the cargo box to move to adjust the position of the cargo box so as to arrange the cargo box neatly. By setting the transmission guide rail 33, when the two side support plates 8 staggeredly adjust the angle of the cargo box, the transmission guide rail 33 can effectively guide the position of the sliding plate 32 to avoid friction with the electric conveyor belt 35 when the cargo box slides, causing wrinkles on the electric conveyor belt 35, so as to avoid the electric conveyor belt 35 being affected by the cargo box, so that the electric conveyor belt 35 can always remain parallel to the bottom of the cargo box, which can effectively improve the stability when transferring the cargo box, and improve the supporting strength of the electric conveyor belt 35 by the support frame 36.

[0032] In a further preferred embodiment of the present invention, Figure 2 and Figure 3 As shown, both ends of the carrying plate 6 are slidably provided with positioning outer frames 27 , the side walls of the positioning outer frames 27 are provided with insertion guide rails 28 , and the inner wall of the gantry suspension 1 is provided with lifting and lowering grooves 29 slidably matched with the insertion guide rails 28 .

[0033] In this embodiment, the positioning outer frame 27 and the insertion guide rail 28 are used to improve the stability of the supporting plate 6 during sliding, and the insertion guide rail 28 and the lifting slide groove 29 are used to lift the positioning outer frame 27 when the supporting plate 6 moves up and down through the hydraulic lifting platform.

[0034] In a further preferred embodiment of the present invention, Figure 1 and Figure 3 As shown, an electric extension plate 30 is provided at the bottom end of the gantry suspension 1 .

[0035] In this embodiment, by setting the electric extension plate 30, when the supporting plate 6 moves left and right, the electric extension plate 30 will automatically move with the supporting plate 6 to expand the supporting area of ​​the gantry suspension 1, so as to improve the stability of the gantry suspension 1, and a supporting foot is provided at the end of the electric extension plate 30.

[0036] 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. Retractable unloading platform, characterized in that: The gantry suspension comprises a gantry suspension (1), wherein a fixing platform (2) is arranged at the inner bottom end of the gantry suspension (1), a guide protrusion (3) is arranged at the top end of the fixing platform (2), two sliding guide rails (4) are arranged at the top end of the guide protrusion (3), an outer peripheral wall of one of the sliding guide rails (4) is provided with an external thread (5), a bearing plate (6) is slidably arranged at the upper ends of the two sliding guide rails (4), and a sliding groove (7) is provided at the upper end of the bearing plate (6); Side support plates (8) are arranged on both sides of the sliding groove (7), a guide rail (9) is provided on the bottom wall of the sliding groove (7), a guide block (10) is arranged inside the guide rail (9), a mounting plate (11) is fixedly arranged on the upper end of the guide block (10), an adjustment gear (12) is rotatably arranged on the upper end of the mounting plate (11), a transmission groove (13) is provided on the side wall of the side support plate (8) facing the adjustment gear (12), a transmission rack (14) meshing with the adjustment gear (12) is fixedly arranged inside the transmission groove (13), a driving structure (15) is arranged on the side wall of the mounting plate (11), and an angle adjustment structure is arranged on the top end of the side support plate (8).

2. The retractable unloading platform according to claim 1, characterized in that: A connecting bracket (16) is slidably disposed inside the guide protrusion (3), and hole rings (17) are disposed at both ends of the connecting bracket (16). The two ends of the sliding guide rail (4) correspond to the hole rings (17) on both sides respectively, and a fixing terminal (18) threadedly connected to the sliding guide rail (4) is disposed inside the hole ring (17).

3. The retractable unloading platform according to claim 2, characterized in that: The driving structure (15) comprises a connecting frame (151), the connecting frame (151) being fixedly connected to the end wall of the mounting plate (11), a driving gear (152) being arranged inside the connecting frame (151), the driving gear (152) being meshed with the adjusting gear (12), and a control motor being arranged inside the adjusting gear (12).

4. The retractable unloading platform according to claim 3, characterized in that: An adjusting screw (19) is arranged inside the guide rail (9), the adjusting screw (19) passes through the guide block (10) and is threadably engaged with the guide block (10), both ends of the adjusting screw (19) are provided with frames fixedly connected to the inner end wall of the guide rail (9), and one end of the adjusting screw (19) is provided with an adjusting motor (20).

5. The retractable unloading platform according to claim 4, characterized in that: A linkage groove (21) is provided at a position of the bottom end of the bearing plate (6) opposite to the sliding guide rail (4), and a groove wall of the linkage groove (21) is provided with an internal thread groove (22) matching the external thread (5).

6. The retractable unloading platform according to claim 5, characterized in that: The angle adjustment structure comprises a positioning guide rail (23), the positioning guide rail (23) is opened at the upper end of the side support plate (8), an adjustment slider (24) is arranged inside the positioning guide rail (23), a rotating shaft (25) is arranged at the top end of the adjustment slider (24), a tray (26) is rotatably arranged at the upper end of the rotating shaft (25), and a transmission structure (31) is arranged at the top end of the tray (26).

7. The retractable unloading platform according to claim 6, characterized in that: The transmission structure (31) comprises a sliding plate (32), the sliding plate (32) being slidably arranged at the top end of the tray (26), a transmission guide rail (33) being inserted into the interior of the tray (26) being arranged at the bottom end of the sliding plate (32), and a return spring fixedly connected to the tray (26) being arranged at the bottom end of the transmission guide rail (33), a mounting bracket (34) being arranged at the upper end of the sliding plate (32), an electric transmission belt (35) being arranged at the top end of the mounting bracket (34), and a support frame (36) being arranged inside the electric transmission belt (35).

8. The retractable unloading platform according to claim 7, characterized in that: An electric extension plate (30) is provided at the bottom end of the gantry suspension (1), and a supporting foot is provided at the end of the electric extension plate (30).

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