Pole unloading trolley

Abstract

The utility model belongs to the technical field of transportation devices, and particularly relates to a pole unloading trolley which comprises a trolley frame, a lifting support and a lifting platform, the lifting support comprises an inner supporting frame and an outer supporting frame, and the middle of the inner supporting frame is hinged to the middle of the outer supporting frame. The bottom end of the inner supporting frame is hinged to the frame, and the upper end of the outer supporting frame is hinged to the lifting platform. The upper end of the inner supporting frame is provided with an upper roller through an upper roller shaft, the upper roller is slidably connected with the lifting platform, the lower end of the outer supporting frame is provided with a lower roller through a lower roller shaft, and the lower roller is slidably connected with the frame. A hydraulic cylinder is hinged to the lower roller shaft, and a piston rod of the hydraulic cylinder is hinged to the upper end of the inner supporting frame. The hydraulic cylinder is connected with the lifting support, meanwhile, the hydraulic cylinder and the lifting support form a triangular supporting structure, the overall structure is simple, installation is convenient, a hinge seat used for installing the hydraulic cylinder does not need to be designed on the frame, and meanwhile the supporting strength of the scissor type lifting platform is further enhanced.

Description

Technical Field

[0001] This utility model belongs to the field of transportation device technology, and in particular relates to an unloading trolley. Background Technology

[0002] The automated anode unloading conveyor is a key piece of equipment in the electrolytic aluminum anode assembly workshop. Its main function is to transport the anodes from the unloading area along a track to a designated receiving platform. Its automated operation effectively improves the efficiency of anode unloading and transportation, effectively avoids the dangers of manual operation, and reduces labor costs.

[0003] Currently, electrode unloading and transportation generally uses lifting pallets, which are typically lifted using hydraulic scissor-type support frames to ensure stable lifting of the anodes on the trolley. For example, patent CN222063200U discloses a transfer device for aluminum profile production, including a vehicle body and a transfer frame mounted on the vehicle body. A lifting mechanism is installed between the transfer frame and the vehicle body. The lifting mechanism includes a scissor-type lifting platform and auxiliary cylinder devices. The scissor-type lifting platform is located in the middle of the top of the vehicle body, and the auxiliary cylinder devices are located on both sides of the vehicle body. In existing technology, the hydraulic cylinder and the scissor-type lifting platform are basically designed independently. The hydraulic cylinder is mounted on the frame and connected to the scissor-type lifting platform. This type of scissor-type lifting platform has limited support strength and requires structural reinforcement design, further complicating the hydraulic scissor-type support frame. Utility Model Content

[0004] In view of the technical problems existing in the background art, this utility model provides a small unloading cart.

[0005] To achieve the above objectives, the technical solution provided by this utility model is as follows:

[0006] A pole-unloading trolley includes a frame, a lifting bracket, and a lifting platform. The lifting bracket includes an inner support frame and an outer support frame, which are hinged together at the middle. The bottom end of the inner support frame is hinged to the frame, and the upper end of the outer support frame is hinged to the lifting platform. An upper roller is mounted on the upper end of the inner support frame via an upper roller shaft, and the upper roller is slidably connected to the lifting platform. A lower roller is mounted on the lower end of the outer support frame via a lower roller shaft, and the lower roller is slidably connected to the frame. A hydraulic cylinder is hinged to the lower roller shaft, and the piston rod of the hydraulic cylinder is hinged to the upper end of the inner support frame.

[0007] Optionally, the outer support frame is provided with a central pin, and the inner support frame is provided with a central sleeve. The central pin is located inside the central sleeve via a bearing.

[0008] Optionally, the inner support frame is provided with an upper pin, which is located between the intermediate pin and the upper roller shaft, and the piston rod of the hydraulic cylinder is hinged to the upper pin.

[0009] Optionally, the inner walls on both sides of the inner support frame are respectively provided with first guide tubes, the upper pin is closely attached to the inner wall of the first guide tube, and the piston rod of the hydraulic cylinder is hinged to the upper pin between the two first guide tubes.

[0010] Optionally, the inner walls on both sides of the outer support frame are respectively provided with second guide tubes, the lower roller shaft is arranged close to the inner wall of the second guide tube, and the hydraulic cylinder is hinged to the lower roller shaft between the two second guide tubes.

[0011] Optionally, the lifting platform is provided with rectangular positioning tubes along its length. The inner wall of the positioning tube is fixedly fitted with a mounting block. The bottom end of the mounting block is connected to a first guide rail by a first screw. Two upper rollers are symmetrically arranged on both sides of the upper roller shaft. The upper rollers are slidably fitted against the bottom wall of the first guide rail.

[0012] Optionally, the frame is provided with positioning plates of length L along its length. The inner wall of the positioning plate is connected to a second guide rail by a second screw. Two lower rollers are symmetrically arranged on both sides of the lower roller shaft. The lower rollers are slidably arranged close to the bottom wall of the second guide rail.

[0013] Optionally, the positioning tube has an opening on one side and is provided with a guide sleeve; the upper end of the outer support frame is provided with a first pin through a bearing, and the two sides of the first pin are respectively provided on the inner wall of the guide sleeve; the bottom end of the inner support frame is provided with a second pin through a bearing, and the second pin is hinged to the vehicle frame.

[0014] Optionally, a drive motor is provided on the upper side of one side of the frame, a wheel axle is provided on the bottom of the frame, wheels are provided on both sides of the wheel axle, a first sprocket is provided on the wheel axle, and a second sprocket is connected to the output shaft of the drive motor. The first sprocket and the second sprocket are connected for transmission by a chain. A hydraulic pump is provided on the upper side of one side of the frame. The hydraulic pump is connected to a hydraulic valve seat, and the hydraulic valve seat is connected to a hydraulic cylinder through a hydraulic pipeline.

[0015] Optionally, a support rod is provided on one side of the frame, the support rod is located away from the hydraulic cylinder, a screw is provided on the support rod, and a connecting block is provided on one side of the lifting platform. The connecting block passes through the screw and is locked by several nuts.

[0016] This utility model has the following advantages and beneficial effects:

[0017] In this invention, a scissor lift mechanism is used to lift and lower the platform for unloading and transferring anodes. The lifting support includes an inner support frame and an outer support frame that are hinged to each other. A lower roller is mounted on the lower end of the outer support frame via a lower roller shaft, and a hydraulic cylinder is hinged to the lower roller shaft. The piston rod of the hydraulic cylinder is hinged to the upper end of the inner support frame. This structure connects the hydraulic cylinder to the lifting support frame, rather than mounting the hydraulic cylinder on the frame, allowing for a more compact and integrated design. The hydraulic cylinder and the lifting support form a triangular support structure, resulting in a simple overall structure that is easy to install. It eliminates the need for a hinged mounting base for the hydraulic cylinder on the frame, while further strengthening the support of the scissor lift platform, ensuring the transfer of heavy anode carbon blocks. Attached Figure Description

[0018] Figure 1 This is a front view of the unloading trolley in this invention;

[0019] Figure 2 for Figure 1 The left view;

[0020] Figure 3 This is a front view of the lifting support in this invention;

[0021] Figure 4 for Figure 3 A cross-sectional view along the BB direction;

[0022] Figure 5 for Figure 3 A cross-sectional view along the AA direction;

[0023] Figure 6 for Figure 2 Enlarged view of the middle section structure;

[0024] Figure 7 This is a cross-sectional view showing the hinged connection between the vehicle frame, the lifting platform, and the lifting bracket in this invention;

[0025] Figure 8 This is a cross-sectional view showing the sliding connection between the vehicle frame, the lifting platform, and the lifting bracket in this invention.

[0026] Figure 9 This is a front view of the lifting platform in this invention;

[0027] Figure 10 for Figure 9 A bottom view;

[0028] Figure 11 for Figure 9 A cross-sectional view along the CC direction;

[0029] Figure 12 for Figure 9 A cross-sectional view along the DD direction.

[0030] Reference numerals: 1-Rail, 2-Frame, 21-Positioning plate, 22-Second guide rail, 23-Second screw, 24-Support rod, 241-Screw, 25-Connecting block, 251-Nut, 3-Lifting platform, 31-Positioning tube, 32-Mounting block, 33-First guide rail, 34-First screw, 35-Guide sleeve, 36-Horizontal tube, 4-Drive motor, 41-Second sprocket, 42-Wheel axle, 43-First sprocket, 44-Wheel 5-Hydraulic pump, 51-Hydraulic valve seat, 6-Carrier frame, 7-Anode, 8-Inner support frame, 81-Upper roller, 82-Upper roller shaft, 83-Upper pin, 84-First guide tube, 85-Intermediate sleeve, 86-First connecting block, 87-Second pin, 9-Outer support frame, 91-Lower roller, 92-Intermediate pin, 93-Second guide tube, 94-Lower roller shaft, 95-Second connecting block, 96-First pin, 10-Hydraulic cylinder. Detailed Implementation

[0031] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are some embodiments of this utility model, but not all embodiments.

[0032] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0033] Example

[0034] like Figures 1 to 12 As shown, a type of unloading trolley includes components such as a frame 2, a lifting bracket, and a lifting platform 3.

[0035] like Figures 1 to 12 As shown, the lifting support includes an inner support frame 8 and an outer support frame 9, which are hinged together in the middle, forming a scissor-like structure. The bottom end of the inner support frame 8 is hinged to the vehicle frame 2, and the upper end of the outer support frame 9 is hinged to the lifting platform 3. An upper roller 81 is provided on the upper end of the inner support frame 8 via an upper roller shaft 82, and the upper roller 81 is slidably connected to the lifting platform 3. A lower roller 91 is provided on the lower end of the outer support frame 9 via a lower roller shaft 94, and the lower roller 91 is slidably connected to the vehicle frame 2. A hydraulic cylinder 10 is hinged to the lower roller shaft 94, and the piston rod of the hydraulic cylinder 10 is hinged to the upper end of the inner support frame 8.

[0036] In this invention, a scissor lift mechanism is used to lift and lower the lifting platform 3 to unload and transfer the anode 7. The lifting support includes an inner support frame 8 and an outer support frame 9 that are hinged to each other. A lower roller 91 is mounted on the lower end of the outer support frame 9 via a lower roller shaft 94. A hydraulic cylinder 10 is hinged to the lower roller shaft 94, and the piston rod of the hydraulic cylinder 10 is hinged to the upper end of the inner support frame 8. This structure connects the hydraulic cylinder 10 to the lifting support bracket, rather than mounting the hydraulic cylinder 10 on the frame 2, allowing for a more compact and integrated design. The hydraulic cylinder 10 and the lifting support form a triangular support structure, resulting in a simple overall structure that is easy to install. It eliminates the need for a hinged seat on the frame 2 for mounting the hydraulic cylinder 10, while further strengthening the support of the scissor lift platform 3, ensuring the transfer of heavy anode 7 carbon blocks.

[0037] like Figures 1 to 12 As shown, further, the outer support frames 9 are connected by a number of second connecting blocks 95. A middle pin 92 is provided in the middle of the outer support frame 9, and a middle sleeve 85 is provided in the middle of the inner support frame 8. The middle pin 92 is provided inside the middle sleeve 85 through a bearing, and the outer support frame 9 is provided outside the inner support frame 8.

[0038] like Figures 1 to 12 As shown, furthermore, the inner support frames 8 are connected by several first connecting blocks 86. An upper pin 83 is provided on the inner support frame 8, which is located between the intermediate pin 92 and the upper roller shaft 82. The piston rod of the hydraulic cylinder 10 is hinged to the upper pin 83. This enables stable lifting and lowering movements.

[0039] like Figures 1 to 12 As shown, furthermore, the inner walls on both sides of the inner support frame 8 are respectively provided with first guide tubes 84, and the upper pin 83 is set tightly against the inner wall of the first guide tubes 84. The piston rod of the hydraulic cylinder 10 is hinged to the upper pin 83 between the two first guide tubes 84. The first guide tubes 84 strengthen the connection strength of the upper pin 83, and at the same time, the first guide tubes 84 limit the hinge position of the piston rod, preventing the hydraulic cylinder 10 from moving around when it extends or retracts.

[0040] like Figures 1 to 12 As shown, the inner walls of both sides of the outer support frame 9 are respectively provided with second guide tubes 93, and the lower roller shaft 94 is set close to the inner wall of the second guide tubes 93. The hydraulic cylinder 10 is hinged to the lower roller shaft 94 between the two second guide tubes 93. The second guide tubes 93 strengthen the connection strength of the lower roller shaft 94, and at the same time, the second guide tubes 93 limit the hinge position of the hydraulic cylinder 10, preventing the hydraulic cylinder 10 from moving during extension and retraction.

[0041] like Figures 3 to 12As shown, in this utility model, the lifting platform 3 is provided with rectangular positioning tubes 31 along its length. Adjacent positioning tubes 31 are reinforced and fixed together by several horizontal tubes 36. The positioning tubes 31 are symmetrically arranged on the bottom side of the lifting platform 3. An mounting block 32 is fixedly attached to the inner wall of the positioning tube 31. The mounting block 32 has a through hole extending to the top of the lifting platform 3. The bottom end of the mounting block 32 is connected to a first guide rail 33 via a first screw 34. This detachable connection facilitates replacement of the first guide rail 33. Two upper rollers 81 are symmetrically arranged on both sides of the upper roller shaft 82. The upper rollers 81 slide against the bottom wall of the first guide rail 33, and their side walls are also pressed against the side walls of the first guide rail 33 for limiting their movement. This structure utilizes the first guide rail 33, positioning tubes 31, and other structures to achieve the sliding movement of the upper rollers 81.

[0042] like Figures 3 to 12 As shown, in this utility model, the frame 2 is provided with positioning plates 21 of length L along its length. Each positioning plate 21 has a through hole extending to the bottom of the frame 2. The positioning plates 21 are connected to a second guide rail 22 via second screws 23, allowing for detachable connection and easy replacement of the second guide rail 22. Two lower rollers 91 are symmetrically arranged on both sides of the lower roller shaft 94. The lower rollers 91 slide close to the bottom wall of the second guide rail 22, and their side walls are also close to the side walls of the second guide rail 22 for positioning. This structure utilizes the second guide rail 22, positioning plates 21, and other components to achieve the sliding movement of the lower rollers 91.

[0043] Furthermore, a guide sleeve 35 is provided on one side of the positioning tube 31. A first pin 96 is provided on the upper end of the outer support frame 9 via a bearing. The two sides of the first pin 96 are respectively provided on the inner wall of the guide sleeve 35, and the guide sleeve 35 is used to strengthen the connection strength of the first pin 96. A second pin 87 is provided on the bottom end of the inner support frame 8 via a bearing. The second pin 87 is hinged to the frame 2 or fixedly connected to the frame 2.

[0044] like Figures 1 to 6As shown, a support rod 24 is provided on one side of the frame 2, and the support rod 24 is positioned away from the hydraulic cylinder 10. That is, the support rod 24 and the hydraulic cylinder 10 are respectively located on both sides of the frame 2. The hydraulic cylinder 10 is located on the side where the upper roller 81 / lower roller 91 is located. A screw 241 is provided on the support rod 24. A connecting block 25 is provided on one side of the lifting platform 3. The connecting block 25 passes through the screw 241 and is locked in place by several nuts 251. With this structure, when the lifting platform 3 reaches the lower limit position, it is locked in place using the screw 241 and nuts 251. Simultaneously, the hydraulic cylinder 10 is located on the other side. The triangular support structure formed by the hydraulic cylinder 10 and the support frame 6 (inner support frame 8 and outer support frame 9) can stably support the lifting platform 3, ensuring it can bear the heavy weight of the anode 7. This structure is simple, easy to install, and can further simplify the design of the scissor lift structure.

[0045] like Figures 1 to 2 As shown, a drive motor 4 is installed on the upper side of one side of the frame 2, and a wheel axle 42 is installed at the bottom of the frame 2. Wheels 44 are installed on both sides of the wheel axle 42. A first sprocket 43 is installed on the wheel axle 42, and a second sprocket 41 is connected to the output shaft of the drive motor 4. The first sprocket 43 and the second sprocket 41 are connected by a chain for transmission. The drive motor 4 drives the car to move.

[0046] like Figures 1 to 2 As shown, a hydraulic pump 5 is installed on the upper side of one side of the frame 2. The hydraulic pump 5 is driven by a motor and is connected to a hydraulic valve seat 51 through a pipe. The hydraulic valve seat 51 is connected to a hydraulic cylinder 10 through a hydraulic pipe. The hydraulic pump 5 drives the hydraulic cylinder 10 to move, thereby realizing the lifting of the lifting platform 3.

[0047] like Figures 1 to 2 As shown, wheel 44 is a track wheel, and wheel 44 is fitted onto track 1. A carrying rack 6 is provided on one side of track 1. After the anode 7 is unloaded, it is placed on the carrying rack 6, and there are open gaps between the carrying racks 6. Multiple lifting platforms 3 can be installed on each frame 2, and the corresponding lifting platforms 3 are located in the gaps between the carrying racks 6. When the lifting platform 3 is at its lower limit position, the unloading trolley moves to the bottom side of the carrying rack 6. Then, the hydraulic cylinder 10 extends, gradually controlling the multiple lifting platforms 3 to rise, supporting the bottom wall of the anode 7 through the gaps in the carrying rack 6, thus detaching the anode 7 from the carrying rack 6. Then, the unloading trolley moves away from the carrying rack 6. After the unloading trolley leaves the carrying rack 6, the hydraulic cylinder 10 descends, causing the lifting platform 3 to lower the anode 7 to its lower limit position. Then, the hydraulic cylinder 10 maintains pressure. Simultaneously, the lifting platform 3 and the frame 2 are connected using screw 241 and nut 251, allowing for safe and stable transportation of the anode 7.

[0048] The above are merely preferred embodiments of this utility model and are not intended to limit the scope of this utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A de-erecting trolley, characterized by: The vehicle frame, the lifting support and the lifting platform, The lifting support comprises an inner support frame and an outer support frame, the inner support frame and the outer support frame are hinged to each other in the middle, the bottom end of the inner support frame is hinged to the vehicle frame, and the upper end of the outer support frame is hinged to the lifting platform. The upper end of the inner support frame is provided with an upper roller through an upper roller shaft, the upper roller is in sliding connection with the lifting platform, the lower end of the outer support frame is provided with a lower roller through a lower roller shaft, and the lower roller is in sliding connection with the vehicle frame; a hydraulic cylinder is hinged to the lower roller shaft, and the piston rod of the hydraulic cylinder is hinged to the upper end of the inner support frame.

2. The de-energizing trolley of claim 1, wherein: The middle of the outer support frame is provided with a middle pin shaft, the middle of the inner support frame is provided with a middle sleeve, and the middle pin shaft is arranged in the middle sleeve through a bearing.

3. The de-energizing trolley of claim 2, wherein: An upper pin shaft is arranged on the inner support frame, the upper pin shaft is arranged between the middle pin shaft and the upper roller shaft, and the piston rod of the hydraulic cylinder is hinged to the upper pin shaft.

4. The de-energizing trolley of claim 3, wherein: First guide pipes are arranged on the inner walls of the two sides of the inner support frame, the upper pin shaft is arranged close to the inner walls of the first guide pipes, and the piston rod of the hydraulic cylinder is hinged to the upper pin shaft between the two first guide pipes.

5. The de-energizing trolley of claim 3, wherein: Second guide pipes are arranged on the inner walls of the two sides of the outer support frame, the lower roller shaft is arranged close to the inner walls of the second guide pipes, and the hydraulic cylinder is hinged to the lower roller shaft between the two second guide pipes.

6. The de-energizing trolley of claim 1, wherein: Rectangular positioning pipes are arranged on the lifting platform along the length direction, mounting blocks are arranged close to the inner walls of the positioning pipes, first guide rails are connected to the bottom ends of the mounting blocks through first screws, two upper rollers are symmetrically arranged on the two sides of the upper roller shaft, and the upper rollers are arranged in sliding connection close to the bottom walls of the first guide rails.

7. The de-energizing trolley of claim 1, wherein: L-shaped positioning plates are arranged on the vehicle frame along the length direction, second guide rails are connected to the inner walls of the positioning plates through second screws, and two lower rollers are symmetrically arranged on the two sides of the lower roller shaft, and the lower rollers are arranged in sliding connection close to the bottom walls of the second guide rails.

8. The de-energizing trolley of claim 6, wherein: A guide sleeve is arranged on one side of the positioning pipe, a first pin shaft is arranged on the upper end of the outer support frame through a bearing, and the two sides of the first pin shaft are arranged on the inner walls of the guide sleeve; a second pin shaft is arranged on the bottom end of the inner support frame through a bearing, and the second pin shaft is hinged to the vehicle frame.

9. The de-energizing trolley of claim 1, wherein: A driving motor is arranged on the upper end of one side of the vehicle frame, a wheel shaft is arranged on the bottom end of the vehicle frame, wheels are arranged on the two sides of the wheel shaft, a first sprocket is arranged on the wheel shaft, a second sprocket is connected to the output shaft of the driving motor, and the first sprocket and the second sprocket are connected in transmission through a chain; a hydraulic pump is arranged on the upper end of one side of the vehicle frame, the hydraulic pump is connected to a hydraulic valve seat, and the hydraulic valve seat is connected to the hydraulic cylinder through a hydraulic pipeline.

10. The de-energizing trolley of claim 1, wherein: A support rod is arranged on one side of the vehicle frame, the support rod is arranged away from the hydraulic cylinder, a screw rod is arranged on the support rod, a connecting block is arranged on one side of the lifting platform, the connecting block is arranged on the screw rod and locked through a plurality of nuts.

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