Raw material carrying trolley

Abstract

The utility model discloses a raw material carrying trolley which is characterized in that a support frame is connected to a frame through an adjusting frame, and a driving wheel is connected to the bottom of the frame; the adjusting frame comprises a first adjusting frame and a second adjusting frame, and the first adjusting frame and the second adjusting frame are hinged to each other; the frame is fixedly connected with a lower guide rail; the bottom of the adjusting frame is fixedly connected with an upper guide rail; one end of the first adjusting frame is rotatably connected with the support frame, and the other end is slidably connected with the lower guide rail; one end of the second adjusting frame is rotatably connected with the frame, and the other end is slidably connected with the upper guide rail; one end of the adjusting device is rotationally connected with the frame, and the other end is rotationally connected with the first adjusting frame; through the design that the first adjusting frame and the second adjusting frame get close to each other and get away from each other and the ends of the first adjusting frame and the second adjusting frame slide in the guide rails, stable up-and-down movement of the supporting frame is achieved, workers can load or unload goods on the supporting frame conveniently, the labor intensity of the workers is reduced, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of processing auxiliary devices, in particular to a material transporting trolley. Background Art

[0002] A material handling trolley is a small vehicle used to transport raw materials or goods, usually used in factories, warehouses, logistics centers and other places. Usually, a handling trolley can carry a certain amount of goods, and has the advantages of strong carrying and handling capacity. At the same time, the handling trolley can be used flexibly to transfer materials to a designated location. Since raw material handling trolleys are usually used in industrial environments, they are usually designed with strong durability and can withstand long-term use. In general, a handling trolley is a convenient tool for transporting raw materials or goods, which can improve work efficiency and reduce labor intensity.

[0003] At present, there are various trolleys for transporting raw materials on the market. These trolleys usually have a support platform with a fixed height for loading and unloading. However, there is a common problem with existing transport trolleys, that is, the height of the support platform is usually fixed and cannot be adjusted up and down. This design limitation leads to a large height difference between the transport trolley and the ground or the raw material storage platform, which makes loading and unloading difficult, increases the labor intensity of the staff, and reduces work efficiency.

[0004] The patent with publication number CN117416393A discloses a material transfer cart, which is provided with a car plate, a push handle and wheels, and the operation stability of the transfer cart is improved by providing a linkage control mechanism, a transmission mechanism and a magnetic limit mechanism on the wheels. However, it can be seen from the attached drawings that the car plate of the transfer cart with this structure is fixed, so during the loading or unloading process, the staff needs to bend over for a long time to stably place the goods on the car plate or unload them from the car plate, resulting in the problem of high labor intensity and low work efficiency for the staff. Utility Model Content

[0005] The purpose of the utility model is to provide a material handling trolley to solve the following technical problems raised in the background technology:

[0006] A common problem with existing transport carts is that the height of the support platform is usually fixed and cannot be adjusted up and down.

[0007] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0008] A material handling trolley comprises a frame, a support frame, an adjustment frame, an adjustment device and a driving wheel; wherein the support frame is connected to the frame through the adjustment frame, and the driving wheel is connected to the bottom of the frame and is used to drive the frame to move;

[0009] The adjustment frame includes a first adjustment frame and a second adjustment frame, and the first adjustment frame and the second adjustment frame are hinged to each other; a lower guide rail is fixedly connected to the frame; and an upper guide rail is fixedly connected to the bottom of the support frame;

[0010] One end of the first adjustment frame is rotatably connected to the support frame, and the other end is slidably connected to the lower guide rail; one end of the second adjustment frame is rotatably connected to the frame, and the other end is slidably connected to the upper guide rail; one end of the adjustment device is rotatably connected to the frame, and the other end is rotatably connected to the first adjustment frame; the adjustment device is used to adjust the inclination angle of the first adjustment frame by telescoping.

[0011] Furthermore, drive motors are arranged around the frame, the drive motors are connected to the drive wheels, and the drive motors are used to drive the drive wheels to rotate.

[0012] Furthermore, a support plate is fixedly connected to the support frame.

[0013] Furthermore, the first adjustment frame and the second adjustment frame are both rectangular frame structures; the middle part of the first adjustment frame is arranged in the second adjustment frame; and the middle part of the first adjustment frame is hinged to the middle part of the second adjustment frame.

[0014] Furthermore, the upper guide rail and the lower guide rail are both U-shaped structures, one end of the first adjustment frame is rotatably connected to the first guide wheel, one end of the second adjustment frame is rotatably connected to the second guide wheel, the first guide wheel is cooperatively connected in the lower guide rail, and the second guide wheel is cooperatively connected in the upper guide rail.

[0015] Furthermore, a plurality of weight-reducing holes are provided on the first adjustment frame and the second adjustment frame.

[0016] Further, the adjustment device includes a connecting seat, a first connecting head, an adjusting screw rod, an adjusting motor, an adjusting seat and a second connecting head;

[0017] One end of the connecting seat is fixedly connected to the first connecting head, and the other end is threadedly connected to the adjusting screw; one end of the adjusting seat is rotatably connected to the adjusting screw, and the other end is fixedly connected to the second connecting head; the first connecting head is hinged to the frame, and the second connecting head is hinged to the first adjusting frame; the adjusting motor is connected to the adjusting seat and is used to drive the adjusting screw to rotate.

[0018] Furthermore, two adjusting screw rods are provided, and the two adjusting screw rods are symmetrically arranged on both sides of the connecting seat.

[0019] Furthermore, the end of the adjusting screw rod is fixedly connected with a driven gear, the end of the output shaft of the adjusting motor is fixedly connected with a driving gear, and the driving gear and the driven gear are connected by a chain.

[0020] Furthermore, a connecting rod is rotatably connected to the frame, and the first connecting head is connected to the connecting rod; a connecting plate is fixedly connected to a position near the middle of the first adjustment frame, and the second connecting head is connected to the connecting plate.

[0021] Compared with the prior art, the utility model has the following beneficial effects:

[0022] The utility model realizes stable up and down movement of the support frame by the design of the first adjustment frame and the second adjustment frame approaching and moving away from each other and the end portion sliding in the guide rail, which is convenient for workers to load or unload goods on the support frame, reduces the labor intensity of the workers and improves work efficiency.

[0023] At the same time, the design of the first support frame and the second support frame of the cross structure of the utility model increases the stability of the support frame, ensures the safety of the goods during the transportation process, and reduces the occurrence of accidents. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0025] Figure 2 It is a front view of the utility model;

[0026] Figure 3 This is a schematic diagram of the overall structure of the utility model after removing the support plate;

[0027] Figure 4 This is a schematic diagram of the overall structure of the utility model after removing the support plate and the support frame;

[0028] Figure 5 It is a schematic diagram of the overall structure of the regulating device of the utility model.

[0029] Markings in the figure: 1-frame, 2-support plate, 3-driving wheel, 4-first adjusting frame, 5-second adjusting frame, 6-upper guide rail, 7-adjusting device, 701-connecting seat, 702-first connecting head, 703-adjusting motor, 704-adjusting screw rod, 705-adjusting seat, 706-chain, 707-second connecting head, 8-support frame, 9-lower guide rail, 10-driving motor, 11-connecting rod, 12-connecting plate. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] Example

[0032] A material handling trolley includes a frame 1, a support frame 8, an adjustment frame, an adjustment device 7 and a driving wheel 3; wherein the support frame 8 is connected to the frame 1 through the adjustment frame, and the driving wheel 3 is connected to the bottom of the frame 1 and is used to drive the frame 1 to move; wherein the support frame 8 is also used to place raw materials, and the raw materials are stacked on the support frame 8 when transporting the raw materials.

[0033] The adjustment frame includes a first adjustment frame 4 and a second adjustment frame 5, and the first adjustment frame 4 and the second adjustment frame 5 are hinged to each other; a lower guide rail 9 is fixedly connected to the frame 1; and an upper guide rail 6 is fixedly connected to the bottom of the support frame 8;

[0034] One end of the first adjustment frame 4 is rotatably connected to the support frame 8, and the other end is slidably connected to the lower guide rail 9; one end of the second adjustment frame 5 is rotatably connected to the frame 1, and the other end is slidably connected to the upper guide rail 6; one end of the adjustment device 7 is rotatably connected to the frame 1, and the other end is rotatably connected to the first adjustment frame 4; the adjustment device 7 is used to adjust the inclination angle of the first adjustment frame 4 by telescoping.

[0035] Specifically, when in use, the inclination angle of the first adjustment frame 4 is controlled by controlling the extension and contraction of the adjustment device 7. When the adjustment device 7 is extended, the first adjustment frame 4 rotates upward, and at the same time, the ends of the first adjustment frame 4 and the second adjustment frame 5 are close to each other, the end of the first adjustment frame 4 slides in the lower guide rail 9, the end of the second adjustment frame 5 slides in the upper guide rail 6, and the support frame 8 is pushed by the first adjustment frame 4 and the second adjustment frame 5 to move upward. When the adjustment device 7 is retracted, the first adjustment frame 4 rotates downward, and at the same time, the ends of the first adjustment frame 4 and the second adjustment frame 5 are away from each other, the end of the first adjustment frame 4 slides in the lower guide rail 9, the end of the second adjustment frame 5 slides in the upper guide rail 6, and the support frame 8 is pulled by the first adjustment frame 4 and the second adjustment frame 5 and moves downward. At the same time, the structure in which the first support frame 8 and the second support frame 8 intersect with each other can stably support the support frame 8, ensuring the stability of the raw materials on the support frame 8. By adjusting the height position of the support frame 8, it is convenient for the staff to load or unload goods, which can effectively improve work efficiency.

[0036] In a preferred embodiment, drive motors 10 are arranged around the frame 1, and the drive motors 10 are connected to the drive wheels 3, and the drive motors 10 are used to drive the drive wheels 3 to rotate. Specifically, each drive wheel 3 is individually configured with a drive motor 10, and the drive motor 10 drives the drive wheel 3 to rotate so that the transport vehicle moves, and the turning can be achieved by controlling the rotation speed of each drive wheel 3.

[0037] In a preferred embodiment, a support plate 2 is fixedly connected to the support frame 8. The support plate 2 is used to make the upper surface of the support frame 8 flat, so as to facilitate the placement of raw materials and prevent the raw materials at the bottom from being crushed.

[0038] In a preferred embodiment, the first adjustment frame 4 and the second adjustment frame 5 are both rectangular frame structures; the middle part of the first adjustment frame 4 is arranged in the second adjustment frame 5; the middle part of the first adjustment frame 4 is hinged with the middle part of the second adjustment frame 5. The rectangular frame structure is relatively stable, and the first adjustment frame 4 and the second adjustment frame 5 having two rectangular frame structures can stably support the support frame 8 to prevent the support frame 8 from tilting due to uneven force.

[0039] In a preferred embodiment, the upper guide rail 6 and the lower guide rail 9 are both U-shaped structures, one end of the first adjustment frame 4 is rotatably connected to the first guide wheel, one end of the second adjustment frame 5 is rotatably connected to the second guide wheel, the first guide wheel is cooperatively connected in the lower guide rail 9, and the second guide wheel is cooperatively connected in the upper guide rail 6. The design of the upper guide rail 6, the lower guide rail 9, the first guide wheel and the second guide wheel is to ensure the stability of the first adjustment frame 4 and the second adjustment frame 5. During the rotation of the first adjustment frame 4 and the second adjustment frame 5, the first guide wheel slides in the lower guide rail 9, and the second guide wheel slides in the upper guide rail 6. The lower guide rail 9 can limit the moving range of the first guide wheel, and the upper guide rail 6 can limit the moving range of the second guide wheel, thereby ensuring the stability of the first adjustment frame 4 and the second adjustment frame 5 when moving.

[0040] In a preferred embodiment, a plurality of weight-reducing holes are provided on the first adjustment frame 4 and the second adjustment frame 5. The weight-reducing holes are used to reduce the overall weight of the first adjustment frame 4 and the second adjustment frame 5, that is, to reduce the overall weight of the transport trolley.

[0041] In a preferred embodiment, the adjustment device 7 includes a connection seat 701, a first connection head 702, an adjustment screw rod 704, an adjustment motor 703, an adjustment seat 705 and a second connection head 707;

[0042] One end of the connecting seat 701 is fixedly connected to the first connecting head 702, and the other end is threadedly connected to the adjusting screw 704; one end of the adjusting seat 705 is rotatably connected to the adjusting screw 704, and the other end is fixedly connected to the second connecting head 707; the first connecting head 702 is hinged to the frame 1, and the second connecting head 707 is hinged to the first adjusting frame 4; the adjusting motor 703 is connected to the adjusting seat 705 and is used to drive the adjusting screw 704 to rotate.

[0043] Specifically, when in use, the adjusting motor 703 drives the adjusting screw 704 to rotate. Since the adjusting screw 704 is threadedly connected to the connecting seat 701, the adjusting screw 704 will extend or shorten on the connecting seat 701. When the adjusting screw 704 extends, it will drive the adjusting seat 705 to extend, that is, the distance between the adjusting seat 705 and the connecting seat 701 is increased, thereby increasing the overall length of the adjusting device 7. Otherwise, the overall length of the adjusting device 7 can be shortened. The self-locking of the screw can ensure the stability of the adjusted adjusting device 7, that is, the stability of the first adjusting frame 4 and the second adjusting frame 5.

[0044] In a preferred embodiment, two adjusting screw rods 704 are provided, and the two adjusting screw rods 704 are symmetrically arranged on both sides of the connecting seat 701. The two symmetrically arranged adjusting screw rods 704 can make the force more uniform, and further ensure the overall stability of the adjusting device 7.

[0045] In a preferred embodiment, the end of the adjusting screw rod 704 is fixedly connected to a driven gear, the end of the output shaft of the adjusting motor 703 is fixedly connected to a driving gear, and the driving gear and the driven gear are connected by a chain 706. The design of the gear and the chain 706 can facilitate the synchronous rotation of the two adjusting screw rods 704 by one adjusting motor 703, thereby ensuring the stability of the adjustment. At the same time, the design of the gear and the chain 706 can facilitate disassembly, and further facilitates the disassembly or replacement of the adjusting screw rod 704 and the adjusting motor 703.

[0046] In a preferred embodiment, a connecting rod 11 is rotatably connected to the vehicle frame 1, and the first connecting head 702 is connected to the connecting rod 11; a connecting plate 12 is fixedly connected to the first adjusting frame 4 near the middle, and the second connecting head 707 is connected to the connecting plate 12. The design of the connecting rod 11 and the connecting plate 12 can facilitate the installation of the adjusting device 7, and by installing the connecting rod 11 and the connecting plate 12, the adjusting device 7 can be conveniently installed in the middle of the first adjusting frame 4, thereby ensuring the uniformity of force and the stability of the first adjusting frame 4 and the second adjusting frame 5.

[0047] In the description of the present invention, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inside", "front", "center", "both ends" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0048] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

[0049] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A material handling trolley, characterized in that: The vehicle comprises a frame (1), a support frame (8), an adjustment frame, an adjustment device (7) and a driving wheel (3); wherein the support frame (8) is connected to the frame (1) via the adjustment frame, and the driving wheel (3) is connected to the bottom of the frame (1) and is used to drive the frame (1) to move; The adjustment frame comprises a first adjustment frame (4) and a second adjustment frame (5), and the first adjustment frame (4) and the second adjustment frame (5) are hinged to each other; a lower guide rail (9) is fixedly connected to the frame (1); and an upper guide rail (6) is fixedly connected to the bottom of the support frame (8); One end of the first adjustment frame (4) is rotatably connected to the support frame (8), and the other end is slidably connected to the lower guide rail (9); one end of the second adjustment frame (5) is rotatably connected to the vehicle frame (1), and the other end is slidably connected to the upper guide rail (6); one end of the adjustment device (7) is rotatably connected to the vehicle frame (1), and the other end is rotatably connected to the first adjustment frame (4); the adjustment device (7) is used to adjust the inclination angle of the first adjustment frame (4) by telescoping.

2. A material handling vehicle according to claim 1, characterized in that: A driving motor (10) is arranged around the vehicle frame (1), the driving motor (10) is connected to the driving wheel (3), and the driving motor (10) is used to drive the driving wheel (3) to rotate.

3. A material handling vehicle according to claim 1, characterized in that: A support plate (2) is fixedly connected to the support frame (8).

4. A material handling vehicle according to claim 1, characterized in that: The first adjustment frame (4) and the second adjustment frame (5) are both rectangular frame structures; the middle part of the first adjustment frame (4) is arranged inside the second adjustment frame (5); the middle part of the first adjustment frame (4) is hinged to the middle part of the second adjustment frame (5).

5. The material handling vehicle according to claim 1, characterized in that: The upper guide rail (6) and the lower guide rail (9) are both U-shaped structures. One end of the first adjustment frame (4) is rotatably connected to a first guide wheel, and one end of the second adjustment frame (5) is rotatably connected to a second guide wheel. The first guide wheel is cooperatively connected in the lower guide rail (9), and the second guide wheel is cooperatively connected in the upper guide rail (6).

6. A material handling vehicle according to claim 1, characterized in that: A plurality of weight-reducing holes are provided on the first adjustment frame (4) and the second adjustment frame (5).

7. A material handling vehicle according to claim 1, characterized in that: The adjusting device (7) comprises a connecting seat (701), a first connecting head (702), an adjusting screw rod (704), an adjusting motor (703), an adjusting seat (705) and a second connecting head (707); One end of the connecting seat (701) is fixedly connected to the first connecting head (702), and the other end is threadedly connected to the adjusting screw rod (704); one end of the adjusting seat (705) is rotatably connected to the adjusting screw rod (704), and the other end is fixedly connected to the second connecting head (707); the first connecting head (702) is hinged to the vehicle frame (1), and the second connecting head (707) is hinged to the first adjusting frame (4); the adjusting motor (703) is connected to the adjusting seat (705) and is used to drive the adjusting screw rod (704) to rotate.

8. A material handling vehicle according to claim 7, characterized in that: Two adjusting screw rods (704) are provided, and the two adjusting screw rods (704) are symmetrically arranged on both sides of the connecting seat (701).

9. A material handling vehicle according to claim 8, characterized in that: The end of the adjusting screw rod (704) is fixedly connected to a driven gear, the end of the output shaft of the adjusting motor (703) is fixedly connected to a driving gear, and the driving gear and the driven gear are connected via a chain (706).

10. A material handling vehicle according to claim 7, characterized in that: A connecting rod (11) is rotatably connected to the vehicle frame (1), and a first connecting head (702) is connected to the connecting rod (11); a connecting plate (12) is fixedly connected to a position near the middle of the first adjustment frame (4), and a second connecting head (707) is connected to the connecting plate (12).

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