Lifting device for carrying skip car

Abstract

The utility model provides a lifting device for carrying a skip car, which comprises a driving device, a fixing plate, a connecting plate, a sliding device and more than one fork arm, a fixing block I is fixedly arranged on the fixing plate, the sliding device comprises more than two sliding rails and sliding blocks matched with the sliding rails, and the fork arm I is fixedly arranged on the connecting plate. The sliding rails are fixed to the fixing plate and located on the two sides of the first fixing block, the sliding blocks are slidably connected with the sliding rails and fixedly connected with one side of the connecting plate, a second fixing block capable of sliding along the fixing plate is arranged below the first fixing block, and the second fixing block is fixedly connected with the fixing plate. The fork arms are symmetrically fixed to the other side of the connecting plate and provided with limiting grooves matched with the skip car, the driving device is located above the first fixing block and fixedly connected with the first fixing block through the connecting block, and the driving device penetrates through the first fixing block to be fixedly connected with the second fixing block and drives the connecting plate and the fork arms to slide up and down along the sliding rail. The lifting device is simple in structure and good in lifting stability.

Description

Technical Field

[0001] The utility model relates to the technical field of transport robots, in particular to a lifting device for a material transport vehicle. Background Art

[0002] With the rapid development of technology and economy, AGV robots are playing an increasingly significant role in solving labor shortages, improving operation stability and transportation efficiency, and reducing labor costs, allowing companies to apply AGV robots in logistics operations, new energy lithium battery material transportation and other industries. For the transportation of lithium battery raw materials, in order to avoid damage to the materials during loading and transportation, the material loading positioning accuracy is required to be higher, which requires different requirements for the width between the AGV's carrying mechanisms.

[0003] For example, the Chinese patent application number is 202123314201.3, and the announcement date is 2022.06.03. It discloses a material shaft type AGV, including a frame, a traveling mechanism, a lifting mechanism and a bearing mechanism; the frame is arranged on the traveling mechanism, the lifting mechanism is arranged in the frame, and the bearing mechanism is arranged on the lifting mechanism; the lifting mechanism includes a lifting mounting plate, a slide rail, a slide seat, a lifting cylinder and a lifting connecting plate; the lifting mounting plate is fixedly mounted on the base plate, and the slide rail is vertically fixedly mounted on the lifting mounting plate; the slide seat is slidably arranged on the slide rail, and the slide seat is fixedly connected to the bearing mechanism; the bearing mechanism includes a bearing base and a bearing member, and the bearing member is fixedly mounted on the bearing base, and the bearing base is respectively fixedly connected to the lifting connecting plate and the output end of the lifting cylinder; one or more groups of bearing guide wheels are provided on the outer wall of the bearing member, and each group of guide wheels is arranged at equal intervals along the axis direction of the bearing member.

[0004] The lifting mechanism in the above patent includes a lifting mounting plate, a slide rail, a slide seat, a lifting cylinder and a lifting connecting plate; the lifting mounting plate is fixedly mounted on the base plate, and the slide rail is vertically fixedly mounted on the lifting mounting plate; a groove is provided on one side of the slide seat corresponding to the slide rail, and the slide seat is slidably set on the slide rail, and the slide seat is fixedly connected to the bearing mechanism, and then driven by the lifting cylinder, so that the bearing mechanism drives the material to move vertically up and down with the cooperation of the slide rail and the slide seat; however, in the actual material transportation process, it is sometimes necessary to move the material cart, and move the material cart from the ground to positions of different heights according to the work requirements. In this case, the lifting mechanism in the above patent cannot place the material cart and cannot realize the transportation of the material cart to preset positions at different heights. Utility Model Content

[0005] The purpose of the utility model is to provide a lifting device for transporting a material cart. By utilizing the structure of the utility model, the material cart can be stably parked on a fork arm, and then raised and lowered synchronously with the fork arm, so as to transport the material cart to preset positions at different heights.

[0006] The cam is secured to the chassis and has two members connected to the chassis to enable the chassis to move freely in the chassis and to move the chassis to a desired location.

[0007] The above arrangement, by setting the fixed block one on the fixed plate and setting the fixed block two below the fixed block one, such an arrangement can make the fixed block one and the fixed block two on the same vertical line, so that the driving device passes through the fixed block one and is fixedly connected to the fixed block two, and then drives the fixed block two to slide linearly on the fixed plate through the driving device; and sliding devices are arranged on both sides of the fixed block one, so that the slider in the sliding device can slide on the slide rail, and the fixed block two and the slider are arranged to be fixedly connected to the fixed plate respectively, so that when the driving device drives the fixed block two to move up and down in a straight line on the fixed plate, it can drive the connecting plate and the fork arm to slide up and down along the slide rail; in addition, the driving device is arranged above the fixed block one, and the driving device passes through the fixed block one and is fixedly connected to the fixed block two, so that it is convenient for the driving device to be directly connected to the fixed block two, driving the fixed block two to move up and down, and a limit groove matching the material trolley is arranged on the fork arm, so that the material trolley can be stably parked on the fork arm, and then synchronously raised and lowered with the fork arm, so as to realize the transportation of the material trolley to preset positions at different heights.

[0008] Furthermore, the driving device includes a driving motor 2 and an electric push rod device, the electric push rod device includes an electric push rod and an electric push rod box, one end of the driving motor 2 is fixed in the accommodating groove, the output end of the driving motor 2 is connected to one end of the electric push rod, and the other end of the electric push rod box is fixedly connected to the connecting block.

[0009] The above arrangement can drive the electric push rod to telescopically move along the height direction of the fixed plate through the driving motor 2.

[0010] Furthermore, the fixing block 1 is provided with a slot 1 whose opening is arranged upward along the height direction of the fixing plate, and the bottom of the slot 1 is provided with a through hole matching the electric push rod. The fixing block 2 is provided with a slot 2 whose opening is arranged downward along the height direction of the fixing plate, and the top of the slot 2 is provided with a through hole matching the electric push rod.

[0011] The above arrangement facilitates the electric push rod to pass through the through hole and be fixedly connected to the second fixing block.

[0012] Furthermore, one end of the electric push rod is telescopically arranged in the electric push rod box, and the other end of the electric push rod passes through the through hole on the fixing block 2 and is fixedly connected to the fixing block 2 by screws.

[0013] The above arrangement enables the electric push rod to be fixedly connected to the fixing block 2 through screws, thereby driving the fixing block 2 to move up and down.

[0014] Furthermore, the length of the slide rail is greater than the telescopic stroke of the electric push rod.

[0015] The above arrangement prevents the driving device from driving the connecting plate and the fork arm to derail when the connecting plate and the fork arm move up and down along the slide rail.

[0016] Furthermore, the fork arm is arranged on the front side of the connecting plate, one end of the slider is fixed on the rear side of the connecting plate, the other end of the slider is provided with a through groove matching the slide rail, the slider is slidably connected to the slide rail through the through groove, the rear side of the connecting plate is fixedly connected to one side of the fixed block two, and the other side of the fixed block two can slide on the fixed plate.

[0017] With the above arrangement, when the driving device drives the fixed block 2 to move up and down, it can drive the fork arm and the connecting plate to move up and down synchronously through the sliding connection between the slider and the slide rail, and then drive the material cart on the fork arm to move up and down.

[0018] Furthermore, the spacing between the fork arms matches the width of the material cart, one end of the fork arm is fixed to the front side of the connecting plate, the other end of the fork arm is extended outward perpendicular to one end of the fork arm, the limit groove is arranged at a vertical position, and a limit block is provided in the limit groove near one end of the fork arm, one end of the limit block is arranged in the limit groove and matches one end of the limit groove, and the other end of the limit block is extended to the outside of the limit groove along the height direction of the fork arm, and the limit block is fixed to one end of the fork arm by bolts.

[0019] The above arrangement, through the dual functions of the limit groove and the limit block, after the cross bar at the bottom of the trolley slides into the limit groove, the limit block limits the longitudinal movement distance of the trolley in the limit groove, so that the trolley can stay stably on the fork arm.

[0020] The beneficial effects of the utility model are:

[0021] The driving device drives the fixed block 2 to move on the fixed plate, which can then drive the connecting plate and the fork arm to slide on the slide rail through the slider, so that the connecting plate and the fork arm can be lifted and lowered synchronously, thereby driving the material cart on the fork arm to move up and down, thereby transporting the material cart to preset positions at different heights. The structure is simple and the lifting stability is good. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0023] Figure 2 This is a schematic diagram of the utility model being applied to a mobile robot.

[0024] Figure 3 It is a structural schematic diagram of a material vehicle parked on the utility model.

[0025] Figure Number:

[0026] 01. Material cart, 1. Mobile robot, 11. Receiving slot, 20. Fixed plate, 21. Fixed block 1, 22. Fixed block 2, 23. Connecting plate, 24. Fork arm, 25. Slider, 26. Limiting slot, 27. Limiting block, 211. Slot 1, 212. Slot 2, 3. Connecting block, 41. Slide rail, 52. Drive motor 2, 53. Electric push rod, 54. Electric push rod box. DETAILED DESCRIPTION

[0027] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0028] like Figures 1 to 3As shown, a lifting device for a material handling vehicle includes a driving device, a fixed plate 20, a connecting plate 23, a sliding device, and one or more fork arms 24. A fixed block 21 is fixedly provided on the fixed plate 20. In the present embodiment, the fixed block 21 is fixed to the fixed plate 20 by bolts. The sliding device includes more than two slide rails 41 and sliders 25 matching the slide rails 41. In the present embodiment, the slide rails 41 are provided in two numbers, the fork arms 24 are provided in two numbers, and the sliders 25 are provided in four numbers. The slide rails 41 are symmetrically fixed on the fixed plate 20 and are located on both sides of the fixed block 21. The sliders 25 are slidably connected to the slide rails 41 and are fixedly connected to one side of the connecting plate 23. A fixed block 22 that can slide along the fixed plate 20 is provided below the fixed block 21. The fixed block 22 is fixedly connected to the fixed plate 20 The fork arm 24 is symmetrically fixed on the other side of the connecting plate 23 and a limiting groove 26 matching the trolley 01 is provided on the fork arm 24. The driving device is located above the fixed block 21 and is fixedly connected to the fixed block 21 through the connecting block 3. The driving device passes through the fixed block 21 and is fixedly connected to the fixed block 22 and drives the connecting plate 23 and the fork arm 24 to slide up and down along the slide rail 41. The fixed block 21 and the fixed block 22 are on the same vertical line and the fixed block 22 is arranged directly below the fixed block 21. The driving device is located above the fixed block 21 and is fixedly connected to the fixed block 21 through the connecting block 3. One end of the driving device connected to the fixed block 21 passes through the fixed block 21 and is fixedly connected to the fixed block 22. The driving device drives the connecting plate and the fork arm to slide up and down along the slide rail 41.

[0029] like Figure 2 , 3 As shown, the driving device includes a driving motor 2 52 and an electric push rod device, and the electric push rod device includes an electric push rod 53 and an electric push rod box 54. In the present embodiment, one end of the driving motor 2 52 is fixed in the receiving groove 11 of the mobile robot 1, and the output end of the driving motor 2 52 is connected to one end of the electric push rod 53, and the other end of the electric push rod box 54 is fixedly connected to the connecting block 4. One end of the electric push rod 53 is telescopically arranged in the electric push rod box 54, and the other end of the electric push rod 53 passes through a through hole (not marked in the figure) on the fixed block 22 and is fixedly connected to the fixed block 22 by screws, so that the electric push rod 53 can be fixedly connected to the fixed block 22 by screws, and then the fixed block 22 can be driven to move up and down.

[0030] like Figure 3As shown, the fixing block 1 21 is provided with a slot 1 211 which opens upward along the height direction of the fixing plate 20, and a through hole matching the electric push rod 53 is provided at the bottom of the slot 1 211; the fixing block 22 is provided with a slot 212 which opens downward along the height direction of the fixing plate 20, and a through hole matching the electric push rod 53 is provided at the top of the slot 212. The above arrangement facilitates the electric push rod 53 to pass through the through hole and be fixedly connected to the fixing block 22.

[0031] like Figure 2 , 3 As shown, the fork arm 24 is arranged on the front side of the connecting plate 23, one end of the slider 25 is fixed on the rear side of the connecting plate 23, the rear side of the connecting plate 23 is fixedly connected to one side of the fixed block 22, and the other side of the fixed block 22 can slide along the fixed plate 20. In this embodiment, the front side of the connecting plate 23 protrudes from the setting of the accommodating groove 22 of the mobile robot 1, and the other end of the slider 24 is provided with a through groove (not marked in the figure) matching the slide rail 41, and the slider 25 is slidably connected to the slide rail 41 through the through groove. In this way, when the driving device drives the fixed block 22 to move up and down, it can drive the connecting plate 23 and the fork arm 24 to move up and down synchronously through the sliding connection between the slider 25 and the slide rail 41, and then drive the material cart 01 on the fork arm 24 to move up and down; in this embodiment, the length of the slide rail 41 is greater than the telescopic stroke of the electric push rod 53, which can prevent the lifting device from detaching from the slide rail 41 during the process of the driving device driving the connecting plate 23 and the fork arm 24 to move up and down along the slide rail 41.

[0032] like Figure 2 , Figure 3 As shown, the spacing between the fork arms 24 matches the width of the material cart 01, one end of the fork arm 24 is fixed to the front side of the connecting plate 23, and the other end of the fork arm 24 extends outward perpendicular to one end of the fork arm 24, and the limit groove 26 is set at a vertical position, and a limit block 27 is provided in the limit groove 26 near one end of the fork arm 24. In this embodiment, one end of the limit block 27 is set in the limit groove 26 and matches one end of the limit groove 26, and the other end of the limit block 27 extends to the outside of the limit groove 26 along the height direction of the fork arm 24, and the limit block 27 is fixed to one end of the fork arm 24 by bolts. Through the dual action of the limit groove 26 and the limit block 27, after the cross bar at the bottom of the material cart 01 slides into the limit groove 26, the limit block 26 limits the moving distance of the material cart 01 in the longitudinal direction in the limit groove 26, so that the material cart 01 can stay stably on the fork arm 24.

Claims

1. A lifting device for a material handling vehicle, characterized in that: The cam is configured to move the movable frame upwardly and move the movable frame upwardly and move the movable frame upwardly. The movable frame is configured to move the movable frame upwardly and move the movable frame upwardly.

2. A lifting device for a material handling vehicle according to claim 1, characterized in that: The driving device includes a second driving motor and an electric push rod device, the electric push rod device includes an electric push rod and an electric push rod box, one end of the second driving motor is fixed in the accommodating groove, the output end of the second driving motor is connected to one end of the electric push rod, and the other end of the electric push rod box is fixedly connected to the connecting block.

3. A lifting device for a material handling vehicle according to claim 1, characterized in that: The fixing block 1 is provided with a slot 1 which opens upward along the height direction of the fixing plate, and a through hole matching the electric push rod is provided at the bottom of the slot 1. The fixing block 2 is provided with a slot 2 which opens downward along the height direction of the fixing plate, and a through hole matching the electric push rod is provided at the top of the slot 2.

4. A lifting device for a material handling vehicle according to claim 2, characterized in that: One end of the electric push rod is telescopically arranged in the electric push rod box, and the other end of the electric push rod passes through the through hole on the second fixing block and is fixedly connected to the second fixing block by screws.

5. The lifting device for a material handling vehicle according to claim 1, characterized in that: The length of the slide rail is greater than the telescopic stroke of the electric push rod.

6. A lifting device for a material handling vehicle according to claim 1, characterized in that: The fork arm is arranged on the front side of the connecting plate, one end of the slider is fixed on the rear side of the connecting plate, the other end of the slider is provided with a through groove matching the slide rail, the slider is slidably connected to the slide rail through the through groove, the rear side of the connecting plate is fixedly connected to one side of the fixed block 2, and the other side of the fixed block 2 can slide on the fixed plate.

7. A lifting device for a material handling vehicle according to claim 6, characterized in that: The spacing between the fork arms matches the width of the material car, one end of the fork arm is fixed on the front side of the connecting plate, the other end of the fork arm is extended outward perpendicular to one end of the fork arm, the limit groove is arranged at a vertical position, a limit block is arranged in the limit groove near one end of the fork arm, one end of the limit block is arranged in the limit groove and matches one end of the limit groove, the other end of the limit block is extended to the outside of the limit groove along the height direction of the fork arm, and the limit block is fixed to one end of the fork arm by bolts.

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