Goods tipping prevention control device of electric forklift

By designing an electric forklift anti-cargo overturning control device, including an anti-cargo anti-cargo mechanism and control system, the problem of difficulty in limiting and automatically adjusting goods in the prior art is solved, and effective limitation and safety improvement of goods is achieved.

CN119551614APending Publication Date: 2025-03-04JIANGSU KING-LIFT EQUIP LTD
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Patent Information

Application Number
CN202411803174.1
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-10
Publication Date
2025-03-04

AI Technical Summary

Technical Problem

The existing electric forklift anti-tilt mechanism is difficult to limit cargo of different sizes, and cannot be automatically adjusted, so it has low flexibility in use.

Method used

An electric forklift anti-turning control device is designed, including an anti-turning mechanism and a control system. The anti-tilt mechanism can be automatically adjusted according to the size of the cargo through components such as side plates, screws, sliders and servo motors; the control system can analyze the size of the cargo and control the operation of the anti-tilt mechanism through the height, length and width measurement module, combined with the central processor and control module.

Benefits of technology

It realizes effective limitations on goods of different sizes, avoids the phenomenon of overturning goods, improves the scope of use and safety, and improves the flexibility of anti-overturning mechanisms.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention belongs to the technical field of electric forklifts, and particularly relates to an electric forklift cargo rollover prevention control device which comprises an electric forklift body, a lifting seat is arranged on the left side of the electric forklift body, a cargo fork is arranged on the left side of the lifting seat, and the electric forklift cargo rollover prevention control device further comprises a rollover prevention mechanism used for limiting the positions of cargoes of different sizes. The front side and the rear side of the lifting seat are each provided with an anti-rollover mechanism, each anti-rollover mechanism comprises a side plate, the upper end and the lower end of the side face of the lifting seat are each fixedly provided with two sets of side plates, the screw rod is rotationally connected between the two sets of side plates through a bearing, the sliding block is in threaded connection to the screw rod, and the guide rod is fixedly installed between the two sets of side plates. The sliding blocks are connected to the guide rods in a sliding mode, and the box body is fixedly installed on the set of side plates. By limiting the positions of the cargoes of different sizes on the electric forklift, the phenomenon that the cargoes of different sizes tip over can be avoided, and the use range is widened.
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Description

Technical Field

[0001] The invention relates to the technical field of electric forklifts, and in particular to a cargo tipping prevention control device for electric forklifts. Background Art

[0002] An electric forklift is a forklift that uses electricity to operate. Most electric forklifts use batteries as a power source. The working principle of an electric forklift is to convert chemical energy into electrical energy, and use batteries to drive the travel motor and hydraulic system motor to achieve travel and loading and unloading operations.

[0003] At present, in order to prevent the cargo on the electric forklift from tipping over, an anti-tipping mechanism is usually provided on the electric forklift to prevent the cargo from tipping over. However, the existing anti-tipping mechanism is difficult to limit cargo of different sizes and has limitations. In addition, the existing anti-tipping mechanism cannot be automatically adjusted according to the size of the cargo when in use, and has low flexibility of use. Therefore, an anti-tipping control device for cargo on an electric forklift is invented. Summary of the invention

[0004] In view of the above problems and / or the problems existing in the existing electric forklift anti-cargo tipping control device, the present invention is proposed.

[0005] Therefore, an object of the present invention is to provide an anti-cargo tipping control device for an electric forklift, which can solve the above-mentioned existing problems.

[0006] To solve the above technical problems, according to one aspect of the present invention, the present invention provides the following technical solutions: An anti-cargo tipping control device for an electric forklift comprises an electric forklift body, a lifting seat is provided on the left side of the electric forklift body, a cargo fork is provided on the left side of the lifting seat, and further comprises: An anti-tipping mechanism for limiting the position of goods of different sizes, wherein the anti-tipping mechanism is provided on both the front and rear sides of the lifting seat; A control system for controlling the anti-tipping mechanism according to the size of the cargo.

[0007] As a preferred solution of the electric forklift cargo anti-tipping control device of the present invention, the anti-tipping mechanism includes: Side panels, two sets of side panels are fixedly installed at the upper and lower ends of the side of the lifting seat; A screw rod, the screw rod being rotatably connected between the two sets of side plates through a bearing; A slider, wherein the slider is threadedly connected to the screw rod; A guide rod is fixedly installed between the two sets of side plates, and a sliding block is slidably connected to the guide rod.

[0008] As a preferred solution of the electric forklift cargo anti-tipping control device of the present invention, the anti-tipping mechanism further includes: A box body, the box body being fixedly mounted on a set of side panels; A servo motor is fixedly installed in the box, and an output shaft of the servo motor is fixedly connected to the screw rod.

[0009] As a preferred solution of the electric forklift cargo anti-tipping control device of the present invention, the anti-tipping mechanism further includes: A first box body, wherein the first box body is fixedly mounted on the slider; The first cylinder is fixedly mounted in the first cylinder.

[0010] As a preferred solution of the electric forklift cargo anti-tipping control device of the present invention, the anti-tipping mechanism further includes: A second box body, on which the piston rod of the first cylinder is fixedly mounted; a second cylinder, the second cylinder being fixedly mounted in the second box body; A first bearing plate is provided, and a piston rod of the second cylinder is fixedly mounted on the first bearing plate.

[0011] As a preferred solution of the electric forklift cargo anti-tipping control device of the present invention, the anti-tipping mechanism further includes: A third box body, the third box body is fixedly installed in the first bearing plate; A third cylinder, the third cylinder being fixedly installed in the third box body; A first support plate, on which the piston rod of the third cylinder is fixedly mounted; A first pressure sensor, wherein the first pressure sensor is fixedly mounted on one side of the first support plate; A first pressing plate is fixedly mounted on one side of the first pressure sensor.

[0012] As a preferred solution of the electric forklift cargo anti-tipping control device of the present invention, the anti-tipping mechanism further includes: A fourth box body, wherein the fourth box body is fixedly mounted on a side surface of the first supporting plate; A fourth cylinder, wherein the fourth cylinder is fixedly installed in the fourth box body; A second bearing plate is provided, and the piston rod of the fourth cylinder is fixedly mounted on the second bearing plate.

[0013] As a preferred solution of the electric forklift cargo anti-tipping control device of the present invention, the anti-tipping mechanism further includes: A fifth box body, the fifth box body is fixedly mounted in the second bearing plate; The fifth cylinder is fixedly installed in the fifth box body.

[0014] As a preferred solution of the electric forklift cargo anti-tipping control device of the present invention, the anti-tipping mechanism further includes: A second support plate, wherein the second support plate is fixedly mounted on one side of the second support plate; a second pressure sensor, wherein the second pressure sensor is fixedly mounted on one side of the second support plate; A second pressing plate is fixedly mounted on one side of the second pressure sensor.

[0015] As a preferred solution of the electric forklift cargo anti-tip control device of the present invention, the control system includes: Height measurement module, used to measure the height of goods; Length measurement module, used to measure the length of goods; Width measurement module, used to measure the width of goods; A central processing unit, used for analyzing data measured by the height measurement module, the length measurement module, the width measurement module, the first pressure sensor and the second pressure sensor; The control module is used to control the anti-rollover mechanism according to the data analyzed by the central processing unit.

[0016] Compared with existing technologies: 1. By setting up an anti-tipping mechanism, it is possible to limit the positions of goods of different sizes on the electric forklift. By limiting the positions of goods of different sizes on the electric forklift, it is possible to avoid the goods of different sizes from tipping over, thereby increasing the scope of use. In addition, the anti-tipping mechanism can also limit multiple positions on the goods, thereby expanding the limited range and improving safety; 2. By setting up a control system, the anti-tipping mechanism can be controlled according to the size of the goods. By controlling the anti-tipping mechanism according to the size of the goods, the operating state of the anti-tipping mechanism can be automatically controlled according to the size of the goods, thereby improving flexibility. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a front view schematic diagram of the structure of the present invention; Figure 2 It is a top view schematic diagram of the anti-tilt mechanism of the present invention; Figure 3 It is a top cross-sectional schematic diagram of the anti-tilt mechanism of the present invention; Figure 4It is a schematic side view of the local structure of the anti-tilt mechanism of the present invention; Figure 5 This is a schematic diagram of the structure of the first support plate, the first pressure sensor and the first extrusion plate of the present invention; Figure 6 It is a flow chart of the control system of the present invention.

[0018] In the figure: an electric forklift body 10, a lifting seat 11, a cargo fork 12, a side plate 20, a screw 21, a slider 22, a guide rod 23, a box body 24, a servo motor 25, a first box body 26, a first cylinder 27, a second box body 28, a second cylinder 29, a first bearing plate 30, a third box body 31, a third cylinder 32, a first support plate 33, a first pressure sensor 34, a first extrusion plate 35, a fourth box body 36, a fourth cylinder 37, a second bearing plate 38, a fifth box body 39, a fifth cylinder 40, a second support plate 41, a second pressure sensor 42, and a second extrusion plate 43. DETAILED DESCRIPTION

[0019] In order to make the objectives, technical solutions and advantages of the present invention more clear, the embodiments of the present invention will be further described in detail below with reference to the accompanying drawings.

[0020] The present invention provides a control device for preventing cargo from tipping over in an electric forklift. Figure 1-Figure 6 , comprising an electric forklift body 10, a lifting seat 11 is provided on the left side of the electric forklift body 10, and a cargo fork 12 is provided on the left side of the lifting seat 11; It also includes: an anti-tilt mechanism for limiting the position of goods of different sizes, and the anti-tilt mechanism is provided on both the front and rear sides of the lifting seat 11; The anti-tilt mechanism includes: a side plate 20, a screw rod 21, a slider 22, a guide rod 23, a box body 24, a servo motor 25, a first box body 26, a first cylinder 27, a second box body 28, a second cylinder 29, a first bearing plate 30, a third box body 31, a third cylinder 32, a first support plate 33, a first pressure sensor 34, a first extrusion plate 35, a fourth box body 36, a fourth cylinder 37, a second bearing plate 38, a fifth box body 39, a fifth cylinder 40, a second support plate 41, a second pressure sensor 42, and a second extrusion plate 43; Two groups of side plates 20 are fixedly installed at the upper and lower ends of the side of the lifting seat 11, the screw 21 is rotatably connected between the two groups of side plates 20 through a bearing, the slider 22 is threadedly connected to the screw 21, the guide rod 23 is fixedly installed between the two groups of side plates 20, and the slider 22 is slidably connected to the guide rod 23. By setting the guide rod 23, the sliding position of the slider 22 can be limited. The box body 24 is fixedly installed on a group of side plates 20, the servo motor 25 is fixedly installed in the box body 24, and the output shaft of the servo motor 25 is fixedly connected to the screw 21, the first box body 26 is fixedly installed on the slider 22, the first cylinder 27 is fixedly installed in the first cylinder 27, the piston rod of the first cylinder 27 is fixedly installed on the second box body 28, the second cylinder 29 is fixedly installed in the second box body 28, the piston rod of the second cylinder 29 is fixedly installed on the first bearing plate 30, the third box body 31 is fixedly installed in the first bearing plate 30, and the third cylinder 32 is fixedly installed In the third box body 31, the piston rod of the third cylinder 32 is fixedly mounted on the first support plate 33, the first pressure sensor 34 is fixedly mounted on one side of the first support plate 33, the first extrusion plate 35 is fixedly mounted on one side of the first pressure sensor 34, the fourth box body 36 is fixedly mounted on the side of the first support plate 33, the fourth cylinder 37 is fixedly mounted in the fourth box body 36, the piston rod of the fourth cylinder 37 is fixedly mounted on the second bearing plate 38, the fifth box body 39 is fixedly mounted in the second bearing plate 38, the fifth cylinder 40 is fixedly mounted in the fifth box body 39, the second support plate 41 is fixedly mounted on one side of the second support plate 41, the second pressure sensor 42 is fixedly mounted on one side of the second support plate 41, and the second extrusion plate 43 is fixedly mounted on one side of the second pressure sensor 42; wherein, by providing the first pressure sensor 34 and the second pressure sensor 42, the phenomenon of excessive extrusion of the goods and insufficient extrusion can be avoided.

[0021] Also included: a control system for controlling the anti-tipping mechanism according to the size of the cargo; The control system includes: a height measurement module for measuring the height of the cargo; a length measurement module for measuring the length of the cargo; a width measurement module for measuring the width of the cargo; a central processing unit for analyzing the data measured by the height measurement module, the length measurement module, the width measurement module, the first pressure sensor 34 and the second pressure sensor 42; and a control module for controlling the anti-tipping mechanism according to the data analyzed by the central processing unit.

[0022] When used, the specific steps are as follows: After the goods are placed on the cargo fork 12, the height of the goods will be measured by the height measuring module. After the height is measured, the length of the goods will be measured by the length measuring module. After the length is measured, the width of the goods will be measured by the width measuring module. After the height, length and width of the goods are measured, the data measured by the height measuring module, the length measuring module and the width measuring module will be analyzed by the central processing unit to analyze the extrusion positions of the first extrusion plate 35 and the second extrusion plate 43. At this time, the screw rod 21 will be rotated by the servo motor 25. When the screw rod 21 rotates, the slider 22 will be lifted and lowered. When the slider 22 is lifted and lowered, the first extrusion plate 35 and the second extrusion plate 43 will be driven to lift and lower until the first extrusion plate 35 and the second extrusion plate 43 are at the set height. Then, the first bearing plate 30 will be moved left and right by the second cylinder 29 until the first extrusion plate 35 is in a suitable position. At the same time, The second carrying plate 38 will be moved left and right by the fourth cylinder 37 until the second extrusion plate 43 is in a suitable position. After that, the first extrusion plate 35 and the second extrusion plate 43 will be moved forward and backward by the first cylinder 27 until the first extrusion plate 35 and the second extrusion plate 43 are in a suitable position. If the goods exceed the width of the lifting seat 11, the first extrusion plate 35 and the second extrusion plate 43 will directly contact the goods through the first cylinder 27 until the first pressure sensor 34 and the second pressure sensor 42 are in the set value range. If the goods do not exceed the width of the lifting seat 11, the first extrusion plate 35 and the second extrusion plate 43 will be in contact with the goods through the third cylinder 32 until the first pressure sensor 34 is in the set value range. At the same time, the second extrusion plate 43 will be in contact with the goods through the fifth cylinder 40 until the second pressure sensor 42 is in the set value range, so as to avoid the overturning of the goods.

[0023] Although the present invention has been described above with reference to the embodiments, various modifications may be made thereto and parts thereof may be replaced by equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the various features in the embodiments disclosed in the present invention may be used in combination with each other in any manner, and the fact that these combinations are not exhaustively described in this specification is only for the sake of omitting space and saving resources. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. An anti-overturning control device for electric forklift, comprising an electric forklift body (10), a lifting seat (11) being provided on the left side of the electric forklift body (10), and a cargo fork (12) being provided on the left side of the lifting seat (11), characterized in that: Also includes: An anti-tipping mechanism for limiting the position of cargoes of different sizes, wherein the anti-tipping mechanism is provided on both the front and rear sides of the lifting seat (11); A control system for controlling the anti-tipping mechanism according to the size of the cargo.

2. The anti-cargo tipping control device for electric forklift according to claim 1, characterized in that: The anti-tilt mechanism comprises: Side panels (20), two sets of side panels (20) are fixedly mounted on the upper and lower ends of the side surface of the lifting seat (11); A screw rod (21), wherein the screw rod (21) is rotatably connected between the two sets of side plates (20) via a bearing; A slider (22), wherein the slider (22) is threadedly connected to the screw rod (21); A guide rod (23) is fixedly mounted between the two sets of side plates (20), and a slider (22) is slidably connected to the guide rod (23).

3. The anti-cargo tipping control device for electric forklift according to claim 2, characterized in that: The anti-tilt mechanism also includes: A box body (24), wherein the box body (24) is fixedly mounted on a set of side panels (20); A servo motor (25), wherein the servo motor (25) is fixedly mounted in the box body (24), and an output shaft of the servo motor (25) is fixedly connected to the screw rod (21).

4. The anti-cargo tipping control device for electric forklift according to claim 3, characterized in that: The anti-tilt mechanism also includes: A first box body (26), the first box body (26) being fixedly mounted on the slide block (22); A first cylinder (27), wherein the first cylinder (27) is fixedly mounted in the first cylinder (27).

5. The anti-cargo tipping control device for electric forklift according to claim 4, characterized in that: The anti-tilt mechanism also includes: A second box body (28), the piston rod of the first cylinder (27) being fixedly mounted on the second box body (28); A second cylinder (29), the second cylinder (29) being fixedly mounted in the second box body (28); A first bearing plate (30) is provided, and a piston rod of the second cylinder (29) is fixedly mounted on the first bearing plate (30).

6. The anti-cargo tipping control device for electric forklift according to claim 5, characterized in that: The anti-tilt mechanism also includes: A third box body (31), the third box body (31) being fixedly mounted in the first carrying plate (30); A third cylinder (32), wherein the third cylinder (32) is fixedly mounted in the third box body (31); A first support plate (33), the piston rod of the third cylinder (32) being fixedly mounted on the first support plate (33); a first pressure sensor (34), the first pressure sensor (34) being fixedly mounted on one side of the first support plate (33); A first extrusion plate (35), wherein the first extrusion plate (35) is fixedly mounted on one side of the first pressure sensor (34).

7. The anti-cargo tipping control device for electric forklift according to claim 6, characterized in that: The anti-tilt mechanism also includes: a fourth box body (36), the fourth box body (36) being fixedly mounted on a side surface of the first support plate (33); a fourth cylinder (37), the fourth cylinder (37) being fixedly mounted in the fourth box body (36); A second bearing plate (38) is fixedly mounted on the piston rod of the fourth cylinder (37).

8. The anti-cargo tipping control device for electric forklift according to claim 7, characterized in that: The anti-tilt mechanism also includes: a fifth box body (39), the fifth box body (39) being fixedly mounted in the second carrying plate (38); A fifth cylinder (40), wherein the fifth cylinder (40) is fixedly installed in the fifth box body (39).

9. The anti-cargo tipping control device for electric forklift according to claim 8, characterized in that: The anti-tilt mechanism also includes: A second support plate (41), wherein the second support plate (41) is fixedly mounted on one side of the second support plate (41); a second pressure sensor (42), the second pressure sensor (42) being fixedly mounted on one side of the second support plate (41); A second extrusion plate (43), the second extrusion plate (43) is fixedly mounted on one side of the second pressure sensor (42).

10. The anti-cargo tipping control device for electric forklift according to claim 1, characterized in that: The control system comprises: Height measurement module, used to measure the height of goods; Length measurement module, used to measure the length of goods; Width measurement module, used to measure the width of goods; A central processing unit, used for analyzing data measured by the height measurement module, the length measurement module, the width measurement module, the first pressure sensor (34) and the second pressure sensor (42); The control module is used to control the anti-rollover mechanism according to the data analyzed by the central processing unit.