Stacking lifting structure of automatic guided forklift

By designing adjustable support units and stabilization units, the movement of support plates and extension plates is controlled by using motors and screw systems, the problem that existing forklift lifting structures is difficult to stabilize goods with a length greater than the length of the support plates, and the stable stacking and space occupation optimization of long-length cargoes is achieved.

CN222961084UActive Publication Date: 2025-06-10SHANGHAI EASYZONE STORAGE EQUIP CO LTD
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Patent Information

Application Number
CN202421800781.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-29
Publication Date
2025-06-10
Estimated Expiration
2034-07-29

AI Technical Summary

Technical Problem

The length of the support plate of the existing forklift lifting structure is fixed, making it difficult to stabilize goods whose length is larger than the length of the support plate. Increasing the length of the support plate will increase the space occupied by the entire lifting structure, affecting the convenience of handling.

Method used

A stacking and lifting structure for unmanned handling forklifts is designed, using adjustable support units and stabilization units. The up and down movements of the support plate and extension plate are controlled through the motor and screw system to achieve stable support for long-term goods and reduce space occupancy when not in use.

Benefits of technology

It realizes a stable stacking of goods with long lengths, avoids the risk of unstable placement of goods, and reduces the space occupied by the lifting structure when not in use, and improves the convenience of handling.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222961084U_ABST
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Abstract

The stacking lifting structure comprises a bottom plate, two vertical plates are fixedly connected to the upper side of the bottom plate, lifting grooves are formed in the outer sides of the vertical plates, lifting blocks are connected to the inner sides of the lifting grooves in a sliding mode, supporting units are arranged on the outer sides of the lifting blocks, stabilizing units are arranged on the outer sides of the vertical plates, and the stabilizing units are arranged on the outer sides of the vertical plates. A top plate is fixedly connected to the upper side of the vertical plate, a first screw rod is rotationally connected between the top plate and the bottom plate, the supporting unit comprises a supporting plate, and the supporting plate is fixedly connected to the right side of the lifting block. Through the arrangement of the bottom plate, the vertical plate, the lifting block, the supporting plate, the adjusting block and the first screw rod, the supporting plate can be conveniently controlled to move up and down, goods can be conveniently stacked, through the extension plate, the connecting plate, the moving plate and the second screw rod, the extension plate can be conveniently controlled to move front and back, long goods can be conveniently stacked, and when not in use, the goods can be conveniently stacked. The occupied space of the lifting mechanism is prevented from being increased.
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Description

Technical Field

[0001] The utility model relates to the field of forklifts, in particular to a stacking and lifting structure of an unmanned handling forklift. Background Art

[0002] A forklift is a mechanical device widely used in the industrial field, mainly used for the handling, stacking and short-distance transportation of goods. It drives a hydraulic system through a power system (electric or internal combustion engine) to lift the forklift forks and carry the goods on the pallet.

[0003] When using a forklift, in order to stack goods, a lifting structure needs to be used in cooperation with the forklift. The lifting structure supports and stacks the goods. However, the length of the support plate of the lifting structure is fixed. For goods with a length greater than the length of the support plate, if they are directly placed, it is easy to make the goods unstable. If a support plate with a long length is directly selected, the occupied space of the entire lifting structure will increase, which is not convenient for handling the lifting structure. Summary of the Utility Model

[0004] In order to overcome the deficiency in the prior art that when stacking goods with a long length, the length of the support plate is increased, resulting in an increase in the occupied space of the lifting structure, one of the purposes of the present utility model is to provide a stacking and lifting structure of an unmanned handling forklift.

[0005] One of the purposes of the present utility model is achieved by adopting the following technical solutions: A stacking and lifting structure of an unmanned handling forklift, including a bottom plate: Two vertical plates are fixedly connected to the upper side of the bottom plate. A lifting groove is opened on the outer side of the vertical plate. A lifting block is slidably connected to the inner side of the lifting groove. A support unit is arranged on the outer side of the lifting block. A stabilizing unit is arranged on the outer side of the vertical plate. A top plate is fixedly connected to the upper side of the vertical plate. A first screw rod is rotatably connected between the top plate and the bottom plate;

[0006] The support unit includes a support plate. The support plate is fixedly connected to the right side of the lifting block. An adjusting block is fixedly connected to the rear side of the support plate. A rectangular groove is opened on the upper side of the support plate. An extension plate is arranged inside the rectangular groove. A moving plate is fixedly connected to the front side of the extension plate. A connecting plate is fixedly connected to the rear side of the moving plate. Two bottom blocks are fixedly connected to the lower side of the support plate. A second screw rod is rotatably connected between the two bottom blocks. A second motor is fixedly connected to the front side of the bottom block.

[0007] According to the stacking and lifting structure of an unmanned forklift truck described above, the stabilizing unit includes side blocks which are fixedly connected to the outer sides of the two vertical plates. A rotating rod is rotatably connected to the outer side of the side block. A stabilizing plate is fixedly connected to the middle of the rotating rod. An installation block is arranged on the outer side of the lower end of the stabilizing plate. A contact plate is fixedly connected to the lower side of the installation block. Cam wheels are fixedly connected to the outer sides of the rear ends of the rotating rods on both the left and right sides. Control plates are rotatably connected to the rear sides of the cam wheels on both the left and right sides. A rotating block is rotatably connected to the outer side of the upper end of the control plate. A control block is fixedly connected to the upper side of the rotating block. A hydraulic rod is fixedly connected between the control block and the bottom plate.

[0008] According to the stacking and lifting structure of an unmanned forklift truck described above, the first screw rod is in threaded connection with the adjusting block, and the second screw rod is in threaded connection with the connecting plate. This facilitates controlling the up and down movement of the adjusting block and the front and back movement of the connecting plate.

[0009] According to the stacking and lifting structure of an unmanned forklift truck described above, a first motor is fixedly connected to the upper side of the top plate, and the output end of the first motor is fixedly connected to the upper end of the first screw rod. This facilitates controlling the rotation of the first screw rod.

[0010] According to the stacking and lifting structure of an unmanned forklift truck described above, the moving plate is arranged in an L-shaped structure.

[0011] According to the stacking and lifting structure of an unmanned forklift truck described above, the control plates and the stabilizing plates on both the left and right sides are arranged in an inclined structure.

[0012] According to the stacking and lifting structure of an unmanned forklift truck described above, the extension plate is slidably connected to the rectangular groove.

[0013] According to the stacking and lifting structure of an unmanned forklift truck described above, a second motor is fixedly connected to the front end of the second screw rod. This facilitates controlling the rotation of the second screw rod.

[0014] Beneficial effects:

[0015] 1. By providing the bottom plate, vertical plates, lifting blocks, support plates, adjusting blocks and the first screw rod, it is convenient to control the up and down movement of the support plate, facilitating the stacking of goods. And through the extension plate, connecting plate, moving plate and the second screw rod, it is convenient to control the front and back movement of the extension plate, facilitating the stacking of long goods, and when not in use, it can avoid increasing the occupied space of the lifting mechanism.

[0016] 2. By providing the fixed blocks, stabilizing plates, contact plates, cam wheels, control plates, lifting blocks and hydraulic rods, it is convenient to control the contact of the contact plates on both sides with the ground, facilitating the support of the lifting structure, increasing the overall stability of the structure and preventing tipping.

[0017] Additional aspects and advantages of the present utility model will be given in part in the following description, become apparent in part from the following description, or be understood through the practice of the present utility model. Description of the Drawings

[0018] The present utility model will be further described below in conjunction with the drawings and embodiments;

[0019] Figure 1 It is an overall three-dimensional structure diagram of the stacking and lifting structure of an unmanned forklift of the present utility model;

[0020] Figure 2 It is a three-dimensional structure diagram of the support unit in the stacking and lifting structure of an unmanned forklift of the present utility model;

[0021] Figure 3 It is a three-dimensional structure diagram of the stabilizing unit in the stacking and lifting structure of an unmanned forklift of the present utility model;

[0022] Figure 4 It is Figure 3 An enlarged view of part A in

[0023] Legend Explanation:

[0024] 1. Bottom plate; 2. Vertical plate; 3. Lifting groove; 4. Lifting block; 5. Top plate; 6. Motor 1; 7. Screw 1; 8. Support unit; 801. Support plate; 802. Rectangular groove; 803. Extension plate; 804. Moving plate; 805. Connecting plate; 806. Bottom block; 807. Screw 2; 808. Motor 2; 9. Stabilizing unit; 901. Side block; 902. Rotating rod; 903. Stabilizing plate; 904. Mounting block; 905. Contact plate; 906. Cam; 907. Control plate; 908. Rotating block; 909. Control block; 910. Hydraulic rod; 10. Adjusting block. Detailed Embodiment

[0025] This part will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the drawings. The function of the drawings is to supplement the description in the text part of the specification, enabling people to intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but it cannot be understood as a limitation on the protection scope of the present utility model.

[0026] Refer to Figures 1-4, a stacking and lifting structure of an unmanned forklift truck, including a bottom plate 1: Two vertical plates 2 are fixedly connected to the upper side of the bottom plate 1. A lifting groove 3 is opened on the outer side of the vertical plate 2. A lifting block 4 is slidably connected to the inner side of the lifting groove 3. A support unit 8 is arranged on the outer side of the lifting block 4. A stabilizing unit 9 is arranged on the outer side of the vertical plate 2. A top plate 5 is fixedly connected to the upper side of the vertical plate 2. A first screw 7 is rotatably connected between the top plate 5 and the bottom plate 1. A first motor 6 is fixedly connected to the upper side of the top plate 5. The output end of the first motor 6 is fixedly connected to the upper end of the first screw 7. When in use, the first motor 6 drives the first screw 7 to rotate, which is convenient for controlling the lifting of the support plate 801 and facilitating the forklift truck to stack goods.

[0027] The support unit 8 includes a support plate 801. The support plate 801 is fixedly connected to the right side of the lifting block 4. An adjusting block 10 is fixedly connected to the rear side of the support plate 801. A rectangular groove 802 is opened on the upper side of the support plate 801. An extension plate 803 is arranged inside the rectangular groove 802. A moving plate 804 is fixedly connected to the front side of the extension plate 803. A connecting plate 805 is fixedly connected to the rear side of the moving plate 804. Two bottom blocks 806 are fixedly connected to the lower side of the support plate 801. A second screw 807 is rotatably connected between the two bottom blocks 806. A second motor 808 is fixedly connected to the front side of the bottom block 806. The first screw 7 is threadedly connected to the adjusting block 10. The second screw 807 is threadedly connected to the connecting plate 805. The moving plate 804 is arranged in an L-shaped structure. The extension plate 803 is slidably connected to the rectangular groove 802. The second motor 808 is fixedly connected to the front end of the second screw 807. Before use, start the second motor 808. The second motor 808 drives the second screw 807 to rotate. The second screw 807 drives the connecting plate 805 to move back and forth. The connecting plate 805 drives the moving plate 804 to move back and forth. The moving plate 804 drives the extension plate 803 to move back and forth, which is convenient for increasing the support length of the goods and facilitating the stacking of long goods. And when not in use, the extension plate 803 moves inside the rectangular groove 802, which is convenient for reducing the occupied space. When the support plate 801 is lifted or lowered, the first screw 7 controls the up and down movement of the adjusting block 10, and the adjusting block 10 drives the support plate 801 to move up and down, which is convenient for stacking goods.

[0028] The stabilizing unit 9 includes side blocks 901 which are fixedly connected to the outer sides of the two vertical plates 2. A rotating rod 902 is rotatably connected to the outer side of the side block 901. A stabilizing plate 903 is fixedly connected to the middle of the rotating rod 902. An installation block 904 is arranged on the outer side of the lower end of the stabilizing plate 903. A contact plate 905 is fixedly connected to the lower side of the installation block 904. Cam wheels 906 are fixedly connected to the outer sides of the rear ends of the left and right rotating rods 902. Control plates 907 are rotatably connected to the rear sides of the left and right cam wheels 906. A rotating block 908 is rotatably connected to the outer side of the upper end of the control plate 907. A control block 909 is fixedly connected to the upper side of the rotating block 908. A hydraulic rod 910 is fixedly connected between the control block 909 and the bottom plate 1. The left and right control plates 907 and the stabilizing plate 903 are both arranged in an inclined structure. When in use, control the hydraulic rod 910 to drive the control block 909 to move up and down. The control block 909 drives the control plate 907 to rotate. The control plate 907 drives the cam wheel 906 to drive. Due to the inclined symmetrical structure of the left and right control plates 907, the left and right cam wheels 906 rotate in opposite directions. The cam wheel 906 drives the rotating rod 902 to rotate. The rotating rod 902 drives the stabilizing plate 903 to rotate. The stabilizing plate 903 drives the contact plate 905 to rotate, facilitating the contact of the contact plate 905 with the ground, conveniently supporting the left and right sides of the structure, increasing the stability of the structure when stacking goods, and preventing tipping.

[0029] Working principle: When in use, the staff first starts the second motor 808 to control the rotation of the second screw rod 807. Under the action of the connecting plate 805 and the moving plate 804, it is convenient to control the front and back movement of the extension plate 803, facilitating the stacking and supporting of long goods. And when not in use, the extension plate 803 moves inside the rectangular groove 802, reducing the occupied space. When stacking, start the first motor 6 to drive the first screw rod 7 to rotate. Under the action of the adjusting block 10, it is convenient to control the up and down movement of the supporting plate 801, facilitating the stacking of goods.

[0030] Before stacking, control the hydraulic rod 910 to drive the control block 909 to move up and down. The control block 909 drives the control plate 907 to rotate. Under the action of the cam wheel 906 and the rotating rod 902, it is convenient to control the contact plate 905 on the stabilizing plate 903 to contact the ground, facilitating the support of the lifting structure and increasing the stability during stacking.

[0031] The above has described the embodiments of the present invention in detail with reference to the drawings. However, the present invention is not limited to the above embodiments. Within the knowledge scope of those of ordinary skill in the art to which the present invention pertains, various changes can be made without departing from the gist of the present invention.

Claims

1. A stacking and lifting structure for an unmanned forklift, characterized in that: It comprises a bottom plate (1): two vertical plates (2) are fixedly connected to the upper side of the bottom plate (1); a lifting groove (3) is provided on the outer side of the vertical plate (2); a lifting block (4) is slidably connected to the inner side of the lifting groove (3); a supporting unit (8) is provided on the outer side of the lifting block (4); a stabilizing unit (9) is provided on the outer side of the vertical plate (2); a top plate (5) is fixedly connected to the upper side of the vertical plate (2); a screw rod (7) is rotatably connected between the top plate (5) and the bottom plate (1); The support unit (8) comprises a support plate (801), wherein the support plate (801) is fixedly connected to the right side of the lifting block (4), the rear side of the support plate (801) is fixedly connected to an adjusting block (10), the upper side of the support plate (801) is provided with a rectangular groove (802), the inner side of the rectangular groove (802) is provided with an extension plate (803), the front side of the extension plate (803) is fixedly connected to a moving plate (804), the rear side of the moving plate (804) is fixedly connected to a connecting plate (805), the lower side of the support plate (801) is fixedly connected to two bottom blocks (806), a screw rod 2 (807) is rotatably connected between the two bottom blocks (806), and the front side of the bottom block (806) is fixedly connected to a motor 2 (808).

2. The stacking and lifting structure of an unmanned forklift according to claim 1, characterized in that: The stabilizing unit (9) comprises a side block (901), wherein the side block (901) is fixedly connected to the outer sides of the vertical plates (2) on both sides; the outer sides of the side blocks (901) are rotatably connected to a rotating rod (902); the middle part of the rotating rod (902) is fixedly connected to a stabilizing plate (903); a mounting block (904) is arranged on the outer side of the lower end of the stabilizing plate (903); the lower side of the mounting block (904) is fixedly connected to a contact plate (905); the outer sides of the rear ends of the rotating rods (902) on the left and right sides are fixedly connected to cams (906); the rear sides of the cams (906) on the left and right sides are rotatably connected to control plates (907); the outer side of the upper end of the control plate (907) is rotatably connected to a rotating block (908); the upper side of the rotating block (908) is fixedly connected to a control block (909); a hydraulic rod (910) is fixedly connected between the control block (909) and the bottom plate (1).

3. The stacking and lifting structure of an unmanned forklift according to claim 1 is characterized in that: The screw rod 1 (7) is threadedly connected to the adjustment block (10), and the screw rod 2 (807) is threadedly connected to the connecting plate (805).

4. The stacking and lifting structure of an unmanned forklift according to claim 1, characterized in that: A motor 1 (6) is fixedly connected to the upper side of the top plate (5), and the output end of the motor 1 (6) is fixedly connected to the upper end of the screw rod 1 (7).

5. The stacking and lifting structure of an unmanned forklift according to claim 1, characterized in that: The movable plate (804) is arranged in an L-shaped structure.

6. The stacking and lifting structure of an unmanned forklift according to claim 2, characterized in that: The control plate (907) and the stabilizing plate (903) on the left and right sides are both arranged in an inclined structure.

7. The stacking and lifting structure of an unmanned forklift according to claim 1, characterized in that: The extension plate (803) is slidably connected to the rectangular groove (802).

8. The stacking and lifting structure of an unmanned forklift according to claim 1, characterized in that: The second motor (808) is fixedly connected to the front end of the second screw rod (807).