A lifting and unloading trolley

Abstract

The utility model relates to lifting unloading technology field, concretely relates to a lifting unloading trolley, including frame, walking mechanism, hopper and elevating system, frame lower part connects walking mechanism, frame upper part connects elevating system, and the upper part of elevating system is connected with support frame, the hopper rotation is connected to support frame, two side baffle and tailgate of hopper can be unfolded and lie flat setting, and the side baffle and tailgate after unfolding and lying flat are in the same horizontal line with bottom plate, both sides of frame are rotatably connected with the supporting leg for preventing dumping when unloading, the supporting leg is connected after rotating upwards with the side baffle after lying flat and supports the side baffle after unfolding and lying flat, and the tailgate of hopper is provided with the turnover mechanism for unfolding or closing tailgate. The utility model discloses through unfolding and increasing the volume of side baffle and tailgate, sets up the supporting leg in both sides of frame, can assist support when lifting unloading, prevents dumping. Through the supporting leg and unfolded side baffle connection, improve the stability of unfolded side baffle.

Description

Technical Field

[0001] This utility model relates to the field of lifting and unloading vehicle technology, and in particular to a lifting and unloading trolley. Background Technology

[0002] Traditional unloading trolleys typically include a frame, hopper, traveling mechanism, and a mechanism for tipping the hopper for unloading (such as a hydraulic cylinder or electric push rod). To accommodate unloading points that do not pass through heights, some unloading trolleys also include a lifting mechanism, allowing the entire hopper to be raised and lowered. However, these types of trolleys have the following significant shortcomings: The hopper can only load and unload waste materials such as sand, gravel, and aluminum slag. When it is necessary to transport larger volume bagged or boxed materials, the hopper cannot transport larger volume materials due to its limited volume, which leads to difficulties in transfer. The materials need to be broken down into multiple smaller volumes, which requires frequent trips and increases time costs. If the volume is too large, it will cause waste of space and energy when the loading capacity is small, and it is inconvenient to operate in a small space. Summary of the Invention

[0003] This invention addresses the problem that existing unloading trolleys can only load and unload bulk waste materials such as sand, gravel, and aluminum slag. Transporting large-volume materials requires disassembling materials and frequent back-and-forth trips, increasing time costs. This invention provides a lifting unloading trolley that, by rotatably connecting the side panels and tailgate to the base plate, allows the side panels and tailgate to unfold, increasing the volume and facilitating the transport of larger materials. Outriggers on both sides of the frame provide additional support during lifting and unloading, preventing tipping. Furthermore, rotating the outriggers upwards connects them to the unfolded side panels, providing further support and improving the stability of the unfolded side panels.

[0004] To achieve the above objectives, the technical solution adopted by this utility model is as follows: A lifting and unloading trolley includes a frame, a traveling mechanism, a hopper, and a lifting mechanism. The lower part of the frame is connected to the traveling mechanism, and the upper part of the frame is connected to the lifting mechanism. A support frame is connected to the upper part of the lifting mechanism, and the hopper is rotatably connected to the support frame. A rotating mechanism for tipping the hopper over to unload material is provided between the hopper and the support frame. The hopper includes a bottom plate, a front baffle, two side baffles, and a tailgate. The bottom plate is mounted on the support frame and is rotatably connected to the support frame and the rotating mechanism. The front baffle is fixed to the front end of the bottom plate, and the two side baffles and the tailgate are rotatably connected to the bottom plate. The two side baffles and the tailgate can be unfolded and laid flat, and the unfolded side baffles and the tailgate are on the same horizontal line as the bottom plate. Support legs for preventing tipping during unloading are rotatably connected to both sides of the frame. After rotating upward, the support legs connect to the unfolded side baffles to support them. A tipping mechanism for unfolding or closing the tailgate is provided on the tailgate. The two side panels and tailgate expand the transfer volume, facilitating the transfer of bulky materials such as bags. Outriggers are installed on both sides of the frame to provide auxiliary support during lifting and unloading, increasing the stability of unloading and preventing tipping. At the same time, by designing the outriggers to rotate upwards, they connect with the expanded side panels to provide auxiliary support for the side panels, improving their stability when carrying materials. This also simplifies the structure of adding side panel supports, achieving the dual-purpose effect of outriggers and a dual-purpose vehicle.

[0005] Furthermore, at least two support legs are rotatably connected to both sides of the frame. Each support leg includes a connecting end and a supporting end. The connecting end is rotatably connected to the frame, and the supporting end is fixedly connected to the connecting end. Providing support legs on both sides of the frame improves the stability of the frame during lifting and unloading, preventing the frame from tipping over during unloading and thus improving work efficiency.

[0006] Furthermore, the support end of the outrigger is a telescopic structure, comprising a fixed rod, a connecting ring, and a support rod. The fixed rod is hollow, with its top fixedly connected to the connecting end and the connecting ring fixedly attached to its bottom. A groove is formed on the inner wall of the connecting ring, and a baffle is installed within the groove, rotatably connected to the connecting ring. The bottom of the support rod passes through the connecting ring and fits inside the fixed rod. Multiple grooves are linearly arranged on the outer wall of the support rod, and the bottom of the baffle is positioned within these grooves. This design allows for adjustments to different heights based on ground conditions, achieving stable support. Simultaneously, the outrigger length can be adjusted according to the distance between the side baffle and the outrigger, ensuring a stable connection between the outrigger and the side baffle and achieving effective support.

[0007] Furthermore, a slot corresponding to the bottom of the outrigger is fixed on the outer side of the side baffle, and a locking block is fixed at the bottom of the outrigger support end. The bottom surface of the locking block is provided with anti-slip texture, and the locking block engages in the slot. The slot and locking block facilitate effective connection between the outrigger and the side baffle, improve the stability of the outrigger supporting the side baffle, and facilitate separation of the outrigger and the side baffle for easy disassembly.

[0008] Furthermore, the front baffle is obliquely fixed to the bottom plate, and the bottom plate, front baffle, two side baffles, and tailgate form a right-angled trapezoidal cavity structure with an open top. The oblique arrangement of the front baffle avoids the formation of dead corners between the front baffle and the bottom plate, preventing material accumulation and reducing material residue.

[0009] Furthermore, the tilting mechanism includes a drive component and an L-shaped connecting rod. The middle of the L-shaped connecting rod is connected to the connection between the tailgate and the bottom plate. One end of the L-shaped connecting rod is fixedly connected to the tailgate, and the other end is suspended. The drive component is located at the bottom of the bottom plate. One end of the drive component is rotatably connected to the support frame, and the other end is rotatably connected to the suspended end of the L-shaped connecting rod. This facilitates the automatic opening and closing of the tailgate, improves the unloading speed, reduces material blockage, and increases the volume.

[0010] Furthermore, the walking mechanism includes two rear wheels and a front wheel. The two rear wheels are rotatably connected to the middle and rear parts of both sides of the frame. A motor for driving the two rear wheels is fixed at the bottom of the frame. A fixed seat is provided on the front side of the frame, and an adjustable connecting rod is rotatably connected to the fixed seat. The bottom of the adjustable connecting rod is rotatably connected to the front wheel, and a handle is fixed to the top of the adjustable connecting rod. By adjusting the height of the adjustable connecting rod, it is convenient for operators of different heights to operate.

[0011] Furthermore, an adjustable connecting plate is also connected to the adjustable connecting rod. One end of the adjustable connecting plate is connected to the adjustable connecting rod, and the other end is suspended in the air. The suspended end of the adjustable connecting plate is a rectangular plate, which facilitates the operator to stand or sit.

[0012] Furthermore, the rotating mechanism includes a second driving component, a first connecting rod, and a second connecting rod; one end of the first connecting rod is rotatably connected to the support frame, and the other end is suspended; one end of the second connecting rod is rotatably connected to the base plate, and the other end is suspended; the suspended ends of the first and second connecting rods are rotatably connected; one end of the second driving component is rotatably connected to the support frame, and the other end is rotatably connected to the second connecting rod. This assists in unloading the hopper and improves stability during unloading.

[0013] Furthermore, the lifting mechanism is a double-layer scissor lift mechanism.

[0014] The beneficial effects of this utility model through the above technical solution are: This utility model increases the transfer volume by unfolding two side panels and a tailgate, facilitating the transfer of bulky materials such as bags or boxes. Support legs are installed on both sides of the frame to provide auxiliary support during lifting and unloading, increasing stability and preventing tipping. Furthermore, by designing the support legs to rotate upwards, they connect with the unfolded side panels, providing additional support and improving the stability of the side panels when carrying materials. This also simplifies the structure of the side panel support, achieving a dual-purpose support leg design. Attached Figure Description

[0015] Figure 1 This is a structural schematic diagram of a lifting and unloading trolley according to the present invention.

[0016] Figure 2 This is one of the structural diagrams of the unloading state of a lifting and unloading trolley according to this utility model.

[0017] Figure 3 This is the second schematic diagram of the unloading state structure of a lifting and unloading trolley according to this utility model.

[0018] Figure 4 This is one of the schematic diagrams of the unfolded structure of the side plate and enclosure plate of the lifting and unloading trolley of this utility model.

[0019] Figure 5 This is the second schematic diagram of the unfolded structure of the side plate and enclosure plate of the lifting and unloading trolley of this utility model.

[0020] Figure 6 This is a schematic diagram of the tailgate, tilting mechanism and support frame connection mechanism of a lifting and unloading trolley according to the present invention.

[0021] Figure 7 This is a schematic diagram of the internal structure of the frame of a lifting and unloading trolley according to the present invention.

[0022] Figure 8 This is a schematic diagram of the support leg of a lifting and unloading trolley according to the present invention.

[0023] Figure 9 This utility model relates to a lifting and unloading trolley. Figure 8 Sectional view at point AA.

[0024] The attached diagram is labeled as follows: 1. Frame, 101. Main beam, 102. Power supply, 2. Support frame, 3. Base plate, 4. Side door, 5. Tailgate, 6. Front panel, 7. Outrigger, 71. Connecting end, 72. Supporting end, 721. Fixing rod, 722. Connecting ring, 723. Supporting rod, 724. Baffle, 725. Groove, 73. Locking block, 8. Locking slot, 9. Drive component one, 10. L-shaped connecting rod, 11. Rear wheel, 12. Front wheel, 13. Fixed seat, 14. Adjustable connecting rod, 15. Handle, 16. Adjustable connecting plate, 17. Drive component two, 18. First connecting rod, 19. Second connecting rod, 20. Lifting mechanism. Detailed Implementation

[0025] The specific embodiments of this utility model are described in detail below with reference to the accompanying drawings: like Figures 1 to 8 As shown, a lifting and unloading trolley includes a frame 1, a traveling mechanism, a hopper, and a lifting mechanism 20. The frame 1 is a rectangular frame structure, with a main beam 101 fixed in the center. The traveling mechanism is connected to the lower part of the frame 1. The traveling mechanism includes two rear wheels 11 and a front wheel 12. In this embodiment, the diameter of the rear wheels 11 is larger than the diameter of the front wheels 12. The two rear wheels 11 are rotatably connected to the middle and rear parts on both sides of the frame 1. A motor for driving the two rear wheels 11 is fixed at the bottom of the frame 1. The motor is connected to the two rear wheels 11 through a chain drive mechanism and a shaft to drive the two rear wheels 11. The front wheel 12 is located on the front side of the frame 1. Specifically, a fixed seat 13 is fixed on the front side of the frame 1. An adjustable connecting rod 14 is rotatably connected to the fixed seat 13. The adjustable connecting rod 14 includes a fixed end and a telescopic end. The fixed end of the adjustable connecting rod 14 is rotatably connected to the fixed seat 13. In this embodiment, the adjustable connecting rod 14 is a hydraulic rod. The bottom of the fixed end of the adjustable connecting rod 14 is rotatably connected to a front wheel 12. In this embodiment, there are two front wheels 12, which are rotatably connected to both sides of the adjustable connecting rod 14 respectively. A handle 15 is fixed to the top of the telescopic end of the adjustable connecting rod 14.

[0026] To facilitate synchronized movement between the operator and the trolley, an adjustable connecting plate 16 is also connected to the adjustable connecting rod 14. One end of the adjustable connecting plate 16 is an open annular structure that snaps onto the outer wall of the fixed end of the adjustable connecting rod 14. The two ends of the annular structure are connected by bolts. The other end of the adjustable connecting plate 16 is a rectangular plate. The operator can adjust the height of the adjustable connecting plate 16 by adjusting the connection position between the annular structure and the adjustable connecting rod 14, making it convenient for the operator to sit or stand on the adjustable connecting plate 16 during transportation.

[0027] The frame 1 is equipped with a power supply 102, which is fixed to the main beam 101. In this embodiment, the power supply 102 is a battery commonly used in electric tricycles or electric vehicles on the market.

[0028] The frame 1 is rotatably connected to the left and right sides with support legs 7 to prevent tipping during unloading. In this embodiment, two support legs 7 are fixed on each side of the frame 1. The support legs 7 are "L" shaped structures. The support legs 7 include a connecting end 71 and a supporting end 72. The connecting end 71 is rotatably connected to the frame 1, and the supporting end 72 is fixedly connected to the connecting end 71 through an adapter.

[0029] In this embodiment, both the connecting end 71 and the supporting end 72 are telescopic structures. The connecting end 71 is a hydraulic rod. The supporting end 72 includes a supporting rod 723, a fixing rod 721, and a connecting ring 722. The fixing rod 721 is a hollow structure, and its top is fixed to the adapter. The connecting ring 722 is fixed to the bottom of the fixing rod 721. A groove is formed inside the connecting ring 722, and a baffle 724 is provided in the groove. The baffle 724 is a sheet structure made of elastic material and is rotatably connected to the connecting ring 722. The baffle 724 has a "V" shape. The top of the supporting rod 723 passes through the connecting ring 722 and fits inside the fixing rod 721. A locking block 73 is fixed to the bottom of the supporting rod 723. Multiple linearly arranged grooves 725 are formed on the outer wall of the supporting rod 723, and the bottom of the baffle 724 is disposed in the groove 725. When it is necessary to adjust the support end 72, rotate the support rod 723 to disengage the baffle 724 from the groove 725. After adjusting to a suitable length, rotate the support rod 723 in the opposite direction to set the baffle 724 in the groove 725.

[0030] A lifting mechanism 20 is slidably connected to the upper part of the frame 1. In this embodiment, the lifting mechanism 20 is a double-layer scissor-type lifting mechanism 20, which is driven by a hydraulic rod. Slide grooves are fixed on both sides of the frame 1. One end of the bottom of the lifting mechanism 20 is rotatably connected to the frame 1, and the other end slides within the slide groove. A support frame 2 is provided on the top of the lifting mechanism 20. The support frame 2 is slidably connected to the lifting mechanism 20. Slide grooves are provided on both sides of the support frame 2. One end of the top of the lifting mechanism 20 is rotatably connected to the support frame 2, and the other end slides within the slide groove of the support frame 2.

[0031] A hopper is rotatably connected to the support frame 2. A rotating mechanism for tipping the hopper over and unloading material is provided between the hopper and the support frame 2. The rotating mechanism includes a second driving component 17, a first connecting rod 18, and a second connecting rod 19. One end of the first connecting rod 18 is rotatably connected to the support frame 2, and the other end is suspended. One end of the second connecting rod 19 is rotatably connected to the bottom of the hopper, and the other end is suspended. The suspended ends of the first connecting rod 18 and the second connecting rod 19 are rotatably connected. The second driving component 17 is a hydraulic rod, with one end rotatably connected to the support frame 2 and the other end rotatably connected to the second connecting rod 19.

[0032] The hopper includes a bottom plate 3, a front baffle 6, two side baffles 4, and a tailgate 5. The bottom plate 3, front baffle 6, two side baffles 4, and tailgate 5 form a right-angled trapezoidal cavity structure with an open top. Adjacent front baffles 6 and two side baffles 4 are connected by pins or latches. The bottom plate 3 is mounted on a support frame 2, with its tail rotatably connected to the support frame 2, and its front bottom rotatably connected to a second connecting rod 19. The front baffle 6 is obliquely fixed to the bottom plate 3, and the two side baffles 4 and tailgate 5 are rotatably connected to the bottom plate 3. In this embodiment, the two side baffles 4 are connected to the bottom plate 3 by hinges, and the tailgate 5 is rotatably connected to the bottom plate 3 by pins. The two side baffles 4 and tailgate 5 can be unfolded and laid flat, with the unfolded side baffles 4 and tailgate 5 on the same horizontal line as the bottom plate 3. The outrigger 7 rotates upward and connects to the unfolded side baffles 4, supporting them.

[0033] To improve the stability of the support leg 7, a slot 8 corresponding to the locking block 73 of the support leg 7 is fixed on the side baffle 4. After the support leg 7 is rotated upward, the locking block 73 is engaged in the slot 8.

[0034] The tailgate 5 is equipped with a flipping mechanism for opening or closing the tailgate 5. The flipping mechanism includes a drive component 9 and an L-shaped connecting rod 10. The middle part of the L-shaped connecting rod 10 is fixed to the pin connecting the tailgate 5 and the base plate 3. One end of the L-shaped connecting rod 10 is fixedly connected to the tailgate 5, and the other end is suspended. The drive component 9 is a hydraulic rod. The drive component 9 is located at the lower part of the base plate 3. One end of the drive component 9 is rotatably connected to the support frame 2, and the other end is connected to the suspended end of the L-shaped connecting rod 10.

[0035] This embodiment also includes a hydraulic control system for controlling hydraulic drive devices such as drive component 9, drive component 17, and hydraulic rod for driving lifting mechanism 20. The hydraulic control system in this embodiment is a common hydraulic control system used to control the extension and retraction of hydraulic rods, and is a conventional technical means that can be known by those skilled in the art, so it will not be described in detail here.

[0036] When it is necessary to transfer waste materials such as aluminum slag, the front baffle 6 and the two side baffles 4 are connected to each other, and the tailgate 5 is in a closed state. After being transferred to the designated position, the drive component 9 of the tilting mechanism drives the L-shaped connecting rod 10 to rotate, causing the tailgate 5 to tilt downward. The drive component 17 of the rotating mechanism drives the first connecting rod 18 and the second connecting rod 19 to rotate, rotating the bottom plate 3, causing the hopper to tilt downward and unload the material.

[0037] When the unloading point is too high, after parking the unloading trolley in a suitable position, rotate the telescopic rod of the connecting end 71 of the outrigger 7 so that the supporting end 72 of the outrigger 7 faces downward. Control the extension and retraction of the connecting end 71 of the outrigger 7 so that the supporting part 72 is positioned in a suitable position. Manually adjust the supporting part 72 of the outrigger 7, rotate the supporting rod 723 of the supporting part 72 and adjust the length of the supporting rod 723 extending beyond the fixed rod 721 so that the supporting rod 723 supports the ground. Then rotate the supporting rod 723 in the opposite direction so that the baffle 724 is positioned in the corresponding groove 725. Start the hydraulic rod of the lifting mechanism 20 to move the lifting mechanism 20 upward. After moving to a suitable position, start the tilting mechanism and the rotating mechanism to unload the material.

[0038] When it is necessary to transfer large-volume materials such as bagged or boxed items, unfold the two side baffles 4, rotate the support legs 7 upwards so that the bottom surface of the support legs 7 engages in the slots 8 of the side baffles 4, thus providing auxiliary support for the side baffles 4. At the same time, activate the tilting mechanism to unfold the tailgate 5, thereby increasing the volume and realizing the transfer of large-volume materials.

[0039] The embodiments described above are merely preferred embodiments of this utility model and are not intended to limit the scope of implementation of this utility model. Therefore, all equivalent changes or modifications made to the structure, features and principles described in the patent claims of this utility model should be included within the scope of the patent application of this utility model.

Claims

1. A lifting and unloading trolley, comprising a frame (1), a traveling mechanism, a hopper, and a lifting mechanism (20); the lower part of the frame (1) is connected to the traveling mechanism, the upper part of the frame (1) is connected to the lifting mechanism (20), the upper part of the lifting mechanism (20) is connected to a support frame (2), and the hopper is rotatably connected to the support frame (2); a rotating mechanism for tipping the hopper over to unload material is provided between the hopper and the support frame (2); characterized in that, The hopper includes a bottom plate (3), a front baffle (6), two side baffles (4) and a tailgate (5). The bottom plate (3) is mounted on a support frame (2), and the bottom plate (3) is rotatably connected to the support frame (2) and the rotating mechanism. The front baffle (6) is fixed to the front end of the bottom plate (3), and the two side baffles (4) and the tailgate (5) are rotatably connected to the bottom plate (3). The two side baffles (4) and the tailgate (5) can be unfolded and laid flat. After being unfolded and laid flat, the side baffles (4) and the tailgate (5) are on the same horizontal line as the bottom plate (3). Both sides of the frame (1) are rotatably connected to support legs (7) to prevent tipping during unloading. After the support legs (7) are rotated upward, they are connected to the side baffles (4) after being laid flat to support the side baffles (4) after being unfolded and laid flat. The tailgate (5) of the hopper is provided with a flipping mechanism for unfolding or closing the tailgate (5).

2. The lifting and unloading trolley according to claim 1, characterized in that, The frame (1) has at least two legs (7) rotatably connected to both sides. Each leg (7) includes a connecting end (71) and a supporting end (72). The connecting end (71) is rotatably connected to the frame (1), and the supporting end (72) is fixedly connected to the connecting end (71).

3. The lifting and unloading trolley according to claim 2, characterized in that, The support end (72) of the outrigger (7) is a telescopic structure. The support end (72) includes a fixed rod (721), a connecting ring (722) and a support rod (723). The fixed rod (721) is a hollow structure. The top of the fixed rod (721) is fixedly connected to the connecting end (71), and the bottom of the fixed rod (721) is fixed with a connecting ring (722). The inner wall of the connecting ring (722) is provided with a groove, and a baffle (724) is provided in the groove. The baffle (724) is rotatably connected to the connecting ring (722). The bottom of the support rod (723) passes through the connecting ring (722) and fits inside the fixed rod (721). The outer wall of the support rod (723) is provided with multiple grooves (725) arranged in a linear pattern. The bottom of the baffle (724) is located in the groove (725).

4. The lifting and unloading trolley according to claim 1, characterized in that, The side baffle (4) has a slot (8) on its outer side that corresponds to the bottom of the support leg (7). The support end (72) of the support leg (7) has a block (73) at its bottom. The bottom surface of the block (73) has anti-slip texture, and the block (73) is engaged in the slot (8).

5. The lifting and unloading trolley according to claim 1, characterized in that, The front baffle (6) is obliquely fixed to the bottom plate (3), and the bottom plate (3), the front baffle (6), the two side baffles (4) and the tailgate (5) form a right-angled trapezoidal cavity structure with an open top.

6. The lifting and unloading trolley according to claim 1, characterized in that, The flipping mechanism includes a drive component (9) and an L-shaped connecting rod (10). The middle part of the L-shaped connecting rod (10) is connected to the connection between the tailgate (5) and the bottom plate (3). One end of the L-shaped connecting rod (10) is fixedly connected to the tailgate (5), and the other end is suspended. The drive component (9) is located at the bottom of the bottom plate (3). One end of the drive component (9) is rotatably connected to the support frame (2), and the other end is rotatably connected to the suspended end of the L-shaped connecting rod (10).

7. The lifting and unloading trolley according to claim 1, characterized in that, The walking mechanism includes two rear wheels (11) and a front wheel (12). The two rear wheels (11) are rotatably connected to the middle and rear parts of both sides of the frame (1). A motor for driving the two rear wheels (11) to rotate is fixed at the bottom of the frame (1). A fixed seat (13) is provided on the front side of the frame (1). An adjustable connecting rod (14) is rotatably connected to the fixed seat (13). The bottom of the adjustable connecting rod (14) is rotatably connected to the front wheel (12). A handle (15) is fixed at the top of the adjustable connecting rod (14).

8. A lifting and unloading trolley according to claim 7, characterized in that, An adjustable connecting plate (16) is also connected to the adjustable connecting rod (14). One end of the adjustable connecting plate (16) is connected to the adjustable connecting rod (14), and the other end is suspended. The suspended end of the adjustable connecting plate (16) is a rectangular plate.

9. A lifting and unloading trolley according to claim 1, characterized in that, The rotating mechanism includes a second driving component (17), a first connecting rod (18), and a second connecting rod (19); one end of the first connecting rod (18) is rotatably connected to the support frame (2), and the other end is suspended; one end of the second connecting rod (19) is rotatably connected to the base plate (3), and the other end is suspended; the suspended ends of the first connecting rod (18) and the second connecting rod (19) are rotatably connected; one end of the second driving component (17) is rotatably connected to the support frame (2), and the other end is rotatably connected to the second connecting rod (19).

10. A lifting and unloading trolley according to claim 1, characterized in that, The lifting mechanism (20) is a double-layer scissor lift mechanism (20).

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