Fork arm capable of being automatically adjusted left and right

By designing an automatically adjusting fork arm, and utilizing a hydraulic cylinder and sprocket system to achieve automatic adjustment of the cargo, the problem of cumbersome operation of traditional forklift forks is solved, improving cargo handling efficiency and flexibility.

CN224105501UActive Publication Date: 2026-04-10GUANGDONG ONEN NEW-RESOURCE EQUIP CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-20
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

Traditional forklift forks require frequent manual adjustments when adjusting the position of goods, which is cumbersome and inefficient. They lack convenient automatic adjustment mechanisms and have poor flexibility.

Method used

Design a fork arm that can automatically adjust left and right. By adjusting the output oil pipe, the left and right adjustment cylinders are driven to move the carriage. Combined with the lifting cylinder and sprocket system, the position and height of the goods can be automatically adjusted to meet the needs of goods of different sizes and heights.

Benefits of technology

It enables automatic left and right adjustment and height lifting of goods, improving operational efficiency and the versatility and flexibility of the device, adapting to the needs of goods handling at different positions and heights.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of forklifts, and discloses a fork arm capable of being automatically adjusted left and right, which comprises a frame, an outer door frame is fixedly connected to the top of the front end of the frame, an inner door frame is slidably connected to the inner wall of the outer door frame, two chain wheels are rotatably connected to the top end of the inner door frame, and a lifting oil cylinder is fixedly connected to the bottom of the top end of the inner door frame. The bottom end of the lifting oil cylinder is fixedly connected with the frame, an adjusting sliding frame is arranged at the front end of the inner portal frame and connected with two pallet fork arms through an adjusting assembly, the outer wall of the chain wheel is connected with a lifting chain in a meshed mode, one end of the lifting chain is fixedly connected with the frame, and the other end of the lifting chain is fixedly connected with the inner portal frame. And the other end of the lifting chain is fixedly connected with the adjusting sliding frame. The two ends of the left-right adjusting oil cylinder drive the adjusting sliding frame to move by adjusting the output oil pipe, left-right adjustment of goods can be achieved, and the goods can be conveniently placed at different positions.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of fork truck especially relates to a fork arm that can automatically left and right adjustment. BACKGROUND

[0002] In the field of modern logistics warehousing, cargo handling, fork truck as important handling equipment is widely used in port, warehouse, factory and other places. Its efficient cargo lifting and handling capacity greatly improves the efficiency of logistics operation, and plays a key role in the whole supply chain system.

[0003] When the traditional fork truck fork arm adjusts the position of goods, the operator often needs to frequently adjust the overall position of the fork truck, the operation process is cumbersome and time-consuming, and there is lack of convenient automatic adjustment structure to adjust the goods left and right, which can only be realized by manual fine adjustment or repositioning the fork truck, which is not only low in efficiency, but also poor in flexibility. In view of this technical problem, the present application provides a fork arm that can automatically adjust left and right. UTILITARIAN CONTENT

[0004] The utility model aims at solving the shortcomings in the prior art, and provides a fork arm that can automatically adjust left and right, which can realize the left and right adjustment of goods by adjusting the output oil pipe to drive the adjustment sliding frame at both ends of the left and right adjustment oil cylinder to move, and can place the goods at different positions conveniently. At the same time, the fork arm can be connected with the fork string rod, the distance can be adjusted freely through the hole shaft cooperation, the fork taking of goods of different sizes can be adapted, the versatility and flexibility of the device are enhanced, and the device has more advantages in actual use. The inner door frame is lifted by the lifting oil cylinder, and when the inner door frame rises, the lifting chain is pulled to lift the adjustment sliding frame by the sprocket, which can effectively improve the height of the goods, can lift the goods to the appropriate height, meet the operation demand of different height, and can efficiently complete the lifting task of the goods in the scene of goods handling, loading and unloading, and improve the work efficiency.

[0005] To achieve the above purpose, the utility model provides the following technical scheme:

[0006] A fork arm that can automatically adjust left and right, comprising a vehicle frame, the top of the front end of the vehicle frame is fixedly connected with an outer door frame, the inner wall of the outer door frame is slidably connected with an inner door frame, the top of the inner door frame is rotatably connected with two sprockets, the top of the inner door frame is fixedly connected with a lifting oil cylinder, the bottom of the lifting oil cylinder is fixedly connected with the vehicle frame, the front end of the inner door frame is provided with an adjustment sliding frame, the adjustment sliding frame is connected with two fork arms through an adjustment assembly, the outer wall of the sprocket is meshingly connected with a lifting chain, one end of the lifting chain is fixedly connected with the vehicle frame, the other end of the lifting chain is fixedly connected with the adjustment sliding frame.

[0007] Further, the adjusting assembly comprises left and right adjusting frames at the front end of the adjusting slide frame, adjusting slide rods slidably connected to the upper and lower sides of the rear end of the left and right adjusting frames, the adjusting slide rods being fixedly connected with the adjusting slide frame, a left and right adjusting oil cylinder being installed at the middle of the front end of the adjusting slide frame, and the left and right ends of the left and right adjusting oil cylinder being fixedly connected with the left and right adjusting frames.

[0008] Further, a fork string rod is movably installed at the front end of the left and right adjusting frames, and the forked arms are sleeved on the outer walls of the left and right ends of the fork string rod.

[0009] Further, a plurality of control rods are arranged at the top end of the frame.

[0010] Further, pipe pulleys are fixedly connected to the sides away from each other of the two chain wheels.

[0011] Further, the forked arms are in the shape of L.

[0012] Further, a mounting frame is fixedly connected to the front end of the frame for mounting wheels.

[0013] The utility model has the following beneficial effects:

[0014] 1、in the utility model, the left and right adjusting oil cylinders are driven to move the adjusting slide frame by adjusting the output oil pipe, the left and right adjustment of goods can be realized, the goods are placed in different positions conveniently, meanwhile, the forked arms can be connected with the fork string rod, the distance is adjusted freely through the hole shaft cooperation, the forked arms can be adapted to different size goods, the versatility and flexibility of the device are enhanced, and the device has more advantages in actual use.

[0015] 2、in the utility model, the inner door frame is lifted by the lifting oil cylinder, when the inner door frame rises, the adjusting slide frame is pulled up by the chain wheel driven lifting chain, the height of goods can be effectively improved, the goods can be lifted to the appropriate height, the operation demand of different heights is met, the lifting task of goods can be efficiently completed in the goods carrying, loading and unloading scenes, and the work efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 A three-dimensional view of the forked arm capable of automatic left and right adjustment is provided for the utility model;

[0017] Fig. 2 A structure schematic view of the left and right adjusting frames of the forked arm capable of automatic left and right adjustment is provided for the utility model;

[0018] Fig. 3 A structure schematic view of the control rod of the forked arm capable of automatic left and right adjustment is provided for the utility model;

[0019] Fig. 4A structure schematic view of the adjusting slide frame of the fork arm capable of automatic left-right adjustment is provided in the utility model.

[0020] Fig. 5 A structure schematic view of the lifting oil cylinder of the fork arm capable of automatic left-right adjustment is provided in the utility model.

[0021] Fig. 6 A structure schematic view of the frame of the fork arm capable of automatic left-right adjustment is provided in the utility model.

[0022] Legend:

[0023] 1, fork arm; 2, fork string rod; 3, left-right adjusting frame; 4, left-right adjusting oil cylinder; 5, adjusting slide rod; 6, adjusting slide frame; 7, frame; 8, operating rod; 9, outer door frame; 10, inner door frame; 11, lifting oil cylinder; 12, lifting chain; 13, adjusting output oil pipe; 14, pipe pulley; 15, chain wheel. Specific implementation

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0025] Reference Figs. 1-3The utility model provides an embodiment: a kind of fork arm that can automatically left and right adjustment, including frame 7, frame 7 is main support body, there is wheel support, by motor reduction box drive, by controller integral output, handlebar intelligent control advances and retreats, mechanical steering, the top of the front end of frame 7 is fixedly connected with outer portal 9, the inner wall of outer portal 9 is slidably connected with inner portal 10, and inner portal 10 is slidably connected with outer portal 9 by roller connection, the top of inner portal 10 is rotatably connected with two sprocket wheels 15, when inner portal 10 moves, it can move with sprocket wheel 15, the top of inner portal 10 is fixedly connected with lifting oil cylinder 11, and it can move with inner portal 10 by lifting oil cylinder 11, the bottom of lifting oil cylinder 11 is fixedly connected with frame 7, the front end of inner portal 10 is provided with adjusting carriage 6, the left and right adjusting frame 3 of adjusting carriage 6 front end, the upper and lower sides of the rear end of left and right adjusting frame 3 are slidably connected with adjusting slide rod 5, by setting adjusting slide rod 5, left and right adjusting frame 3 can be moved left and right, adjusting slide rod 5 is fixedly connected with adjusting carriage 6, left and right adjusting oil cylinder 4 is installed in the front end middle part of adjusting carriage 6, and the left and right ends of left and right adjusting oil cylinder 4 are fixedly connected with left and right adjusting frame 3, by left and right adjusting oil cylinder 4, left and right adjusting frame 3 can be moved, and then the effect of left and right adjustment is achieved, the outer wall of sprocket wheel 15 is engagedly connected with lifting chain 12, when inner portal 10 moves with sprocket wheel 15, by the engagement of lifting chain 12 and sprocket wheel 15, the end of lifting chain 12 connected with adjusting carriage 6 can be moved, so that the lifting effect of adjusting carriage 6 is realized, one end of lifting chain 12 is fixedly connected with frame 7, and the other end of lifting chain 12 is fixedly connected with adjusting carriage 6.

[0026] Refer to Figs. 3-6 Wherein, the front end of left and right adjusting frame 3 movably installs fork string rod 2, the outer wall of the left and right ends of fork string rod 2 is sleeved with fork arm 1, and the left and right ends of fork string rod 2 are both provided with limiting nut, and the limiting nut can limit fork arm 1. The top of frame 7 is provided with a plurality of control rods 8, and the control rod 8 is output by an integral power unit. The side away from each other of the two sprocket wheels 15 is fixedly connected with pipe pulley 14, and the outer wall of pipe pulley 14 is provided with adjusting output oil pipe 13, and adjusting output oil pipe 13 is connected with left and right adjusting oil cylinder 4. The shape of fork arm 1 is L-shaped. The front end of frame 7 is fixedly connected with mounting rack, for installing wheel.

[0027] Working principle: through the whole device to the appropriate position and insert two forked arms 1 into the bottom of the goods, then through the lifting cylinder 11 will be raised, the inner door frame 10 in the process of rising, will be through the chain wheel 15 make lifting chain 12 will adjust the slide 6 up, thereby greatly improve the height of the goods effect, when the need for left and right adjustment, through the adjustment of the output pipe 13, through the pipe pulley 14 to the left and right adjustment cylinder 4, the left and right ends of the left and right adjustment cylinder 4 with the adjustment slide 6 moves, thereby achieve the effect of left and right adjustment of goods, forked arms 1 can also be adjusted, with the fork string rod 2 is connected, hole shaft cooperation can be freely adjusted distance.

[0028] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for those skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A self-adjustable fork arm in the left and right directions, characterized by, The utility model relates to a kind of fork lift truck, including frame (7), the top of the front end of the frame (7) is fixedly connected with outer door frame (9), the inner wall of the outer door frame (9) is slidably connected with inner door frame (10), the top of the inner door frame (10) is rotatably connected with two chain wheels (15), the bottom of the top of the inner door frame (10) is fixedly connected with lifting oil cylinder (11), the bottom of the lifting oil cylinder (11) is fixedly connected with frame (7), the front end of the inner door frame (10) is provided with adjusting slide frame (6), adjusting slide frame (6) is connected with two fork prongs (1) by adjusting assembly, the outer wall of the chain wheel (15) is engagedly connected with lifting chain (12), one end of the lifting chain (12) is fixedly connected with frame (7), the other end of the lifting chain (12) is fixedly connected with adjusting slide frame (6).

2. The self-adjusting fork arm of claim 1, wherein: The adjusting assembly includes left and right adjusting frames (3) located at the front end of the adjusting slide frame (6), the upper and lower sides of the rear end of the left and right adjusting frames (3) are slidably connected with adjusting slide rods (5), the adjusting slide rods (5) are fixedly connected with adjusting slide frame (6), the middle part of the front end of the adjusting slide frame (6) is installed with left and right adjusting oil cylinders (4), the left and right ends of the left and right adjusting oil cylinders (4) are fixedly connected with left and right adjusting frames (3).

3. A self-adjusting fork arm as claimed in claim 2, wherein: The front end of the left and right adjusting frames (3) is movably installed with fork string rod (2), and the fork prong (1) is sleeved on the outer wall of the left and right ends of the fork string rod (2).

4. The self-adjusting fork arm of claim 1, wherein: The top of the frame (7) is provided with a plurality of joysticks (8).

5. The self-adjusting fork arm of claim 1, wherein: The side away from each other of the two chain wheels (15) is fixedly connected with pipe pulley (14).

6. The self-adjusting fork arm of claim 1, wherein: The fork prong (1) is L-shaped.

7. The self-adjusting fork arm of claim 1, wherein: The front end of the frame (7) is fixedly connected with mounting rack for mounting wheels.