A forklift-specific fork leg device
By designing a special fork-foot device for loader, which connects to the loader bucket using steel plate forks and limiting components, the problems of low moving efficiency and safety hazards of the isolation piers are solved, and efficient and stable moving of the isolation piers is achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHANDONG YIZHOU PORT CO LTD
- Filing Date
- 2025-06-01
- Publication Date
- 2026-06-30
AI Technical Summary
In the existing technology, the movement efficiency of the isolation piers is low and there are safety hazards, mainly because the hoisting process requires close human-machine cooperation and frequent hook-and-hook operations.
Design a forklift-specific fork device, including two sets of steel plate forks and a limiting component. It is fixed to the forklift bucket through a connector, and the limiting component stabilizes the steel plate forks to achieve efficient movement of the isolation barrier.
This improved the mobility of the isolation barriers, reduced the investment of manpower and resources, prevented shaking and falling damage, and ensured operational safety.
Smart Images

Figure CN224430097U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of loader auxiliary equipment technology, specifically a loader-specific fork foot device. Background Technology
[0002] As a fundamental and service-oriented industry of the national economy, maritime transport plays a vital supporting and guaranteeing role in China's economic and social development and foreign trade. Ports, as the origin of loading and unloading cargo, play a crucial role in ocean transportation. Isolation piers commonly used in port yards are mainly used to separate different types of cargo and regulate port roads. Given the ever-increasing speed of cargo handling, these isolation piers are frequently moved.
[0003] Currently, the movement of the barriers is accomplished with the assistance of a forklift crane. Chain hooks are suspended on the crane boom, and workers attach the hook heads to the lifting lugs of the barriers. After the barriers are lifted, the workers remove the hooks. This process of removing and attaching the hooks is frequent, resulting in low movement efficiency. Furthermore, it requires close human-machine coordination, which poses safety hazards. Therefore, a special forklift foot device is proposed. Utility Model Content
[0004] Therefore, the purpose of this utility model is to provide a forklift-specific fork leg device to solve the technical problems mentioned in the background.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a forklift-specific fork foot device, comprising two sets of steel plate forks and a limiting component. A connector for inserting into the bucket of the forklift is fixed on one side of the top of the steel plate fork. A groove is reserved on the contact end face of the connector and the bucket. A fastening bolt for abutting the bucket is threaded to the top of the connector. A main reinforcing arm is welded to one side of the end of the connector and on the upper surface of the steel plate fork. A secondary reinforcing arm connected to the side of the main reinforcing arm is fixedly sleeved on the outer wall of the connector.
[0006] As a preferred technical solution, the end of the steel plate fork away from the connector is trapezoidal, and the steel plate fork is welded and fixed to the main reinforcing arm, the secondary reinforcing arm and the connector.
[0007] As a preferred technical solution, the connecting member has a matching threaded hole at the position where it contacts the fastening bolt.
[0008] As a preferred technical solution, both sets of steel plate forks that are close to each other are equipped with limiting components. The limiting components include U-plate frames that slide on the front and rear surfaces of the limiting components. Movable arms are rotatably connected to the two sets of U-plate frames. One end of each movable arm is rotatably connected to a rotating seat, and the rotating seat is fixed to the outer wall of the steel plate fork. A clearance groove is provided on the side of the U-plate frame that is in contact with the steel plate fork.
[0009] As a preferred technical solution, the surface of the limiting component that contacts the U-plate frame is provided with a travel groove, and a slider fixed to the outer wall of the U-plate frame is slidably disposed in the travel groove. The upper and lower inner walls of the travel groove are fixed with arc-shaped surface plates, and the upper and lower parts of the slider are provided with arc-shaped grooves that are adapted to the arc-shaped surface plates.
[0010] As a preferred technical solution, the end faces of both sets of U-plate frames are welded with sealing strips, the outer walls of the sealing strips are fixed with ball-head rods, the outer walls of the two sets of sealing strips are fitted with fasteners, and the outer walls of each set of ball-head rods are glued with rubber rings.
[0011] As a preferred technical solution, the thickness of the U-shaped frame is smaller than the thickness of the steel plate fork.
[0012] In summary, the present invention has the following main advantages:
[0013] This invention connects steel plate forks to the bucket and allows the loader to move the barrier, saving manpower and resources required to move the barrier. With the assistance of the limiting components, the two sets of steel plate forks can be directly moved to move the barrier, achieving high efficiency in moving the barrier and stabilizing the two sets of steel plate forks, thus avoiding the barrier from falling and being damaged due to shaking. Attached Figure Description
[0014] Figure 1 This is a schematic diagram showing the connection between the steel plate fork and the loader bucket of this utility model;
[0015] Figure 2 This is a three-dimensional structural diagram of the steel plate fork of this utility model;
[0016] Figure 3 This is a schematic diagram of the steel plate fork and limiting component of this utility model;
[0017] Figure 4 This is an unfolded structural diagram of the steel plate fork and limiting component of this utility model;
[0018] Figure 5 This is a cross-sectional view of the two sets of limiting components of this utility model;
[0019] Figure 6 This is a schematic diagram showing the connection of the two sets of ball joints of this utility model.
[0020] In the diagram: 100, steel plate fork; 101, stroke groove; 102, arc-shaped surface; 110, main reinforcing arm; 120, secondary reinforcing arm; 130, connector; 140, fastening bolt; 150, slot; 160, limit assembly; 161, U-shaped frame; 162, movable arm; 163, slider; 164, arc groove; 165, swivel seat; 166, clearance groove; 167, sealing strip; 168, ball joint rod; 1681, rubber ring; 169, fastening piece. Detailed Implementation
[0021] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.
[0022] The embodiments of this utility model will be described below based on its overall structure.
[0023] Example 1: A forklift-specific fork leg device, such as Figures 1 to 2 As shown, it includes two sets of steel plate forks 100 and a limiting assembly 160. A connector 130 that is inserted into the bucket of a forklift is fixed on one side of the top of the steel plate fork 100. A groove 150 is reserved on the contact end face of the connector 130 and the bucket. A fastening bolt 140 that abuts against the bucket is threaded on the top of the connector 130. A main reinforcing arm 110 is welded to one side of the end of the connector 130 and on the upper surface of the steel plate fork 100. A secondary reinforcing arm 120 that is connected to the side of the main reinforcing arm 110 is fixedly sleeved on the outer wall of the connector 130.
[0024] A matching threaded hole is provided at the position where the connector 130 contacts the fastening bolt 140;
[0025] The end of the steel plate fork 100 away from the connector 130 is trapezoidal in shape, and the steel plate fork 100 is welded and fixed to the main reinforcing arm 110, the secondary reinforcing arm 120 and the connector 130.
[0026] Two sets of steel plate forks 100 are placed in front of the loader bucket, with the slots 150 fitted onto the lower edge of the bucket opening (allowing the barrier to move as the bucket slides along the ground). Then, a hex wrench is used to apply rotational force to the fastening bolts 140, causing the bottom of the fastening bolts 140 to abut against the inner wall of the bucket. Thus, the steel plate forks 100 are fixed in front of the bucket via the connector 130, and can be inserted into the slots at the bottom of the barrier as the bucket moves (two sets of slots are reserved at the bottom of each barrier to facilitate movement). The barrier is then lifted by the loader bucket and can be moved by the loader bucket.
[0027] The main reinforcing boom 110 and the secondary reinforcing boom 120 increase the robustness between the connecting piece 130 and the steel plate fork 100, which can better bear the weight of the isolation pier. Together with the bucket, the isolation pier can be easily moved and repositioned.
[0028] Example 2: Please refer to the following for details regarding the differences from Example 1 above. Figures 3 to 6Both sets of plate forks 100 are equipped with limit components 160 close to each other. The limit component 160 includes a U-shaped frame 161 that slides on the front and rear surfaces of the limit component 160. Movable arms 162 are rotatably connected to the two sets of U-shaped frames 161. One end of the movable arm 162 is rotatably connected to a rotating seat 165, and the rotating seat 165 is fixed to the outer wall of the plate fork 100. A clearance groove 166 is provided on the side of the U-shaped frame 161 that is in contact with the plate fork 100.
[0029] The surface of the limiting component 160 that contacts the U-plate frame 161 is provided with a travel groove 101. A slider 163 fixed to the outer wall of the U-plate frame 161 is slidably disposed in the travel groove 101. Arc-shaped surface 102 is fixed to the upper and lower inner walls of the travel groove 101. Arc grooves 164 adapted to the arc-shaped surface 102 are provided on the upper and lower parts of the slider 163.
[0030] Both sets of U-shaped frame 161 have sealing strips 167 welded to their end faces. Ball head rods 168 are fixed to the outer wall of the sealing strips 167. Fasteners 169 are sleeved on the outer walls of the two sets of sealing strips 167. Rubber rings 1681 are glued to the outer wall of each set of ball head rods 168.
[0031] When the plate forks 100 are installed on the bucket, an external force needs to be applied to the two sets of U-shaped frames 161 in the middle, causing the U-shaped frames 161 to slide towards the side closer to the connector 130. At this time, the two sets of movable arms 162 will rotate around the center of the rotating seat 165 until the two sets of movable arms 162 are parallel to each other between the two sets of plate forks 100 (perpendicular to the plate forks 100). The two sets of plate forks 100 will also move away from each other due to the unfolding of the movable arms 162. This allows for a quick determination of the distance between the two sets of plate forks 100 (at this time, the distance between the two sets of plate forks 100 corresponds to the groove at the bottom of the isolation pier). Fixing the plate forks 100 on the bucket allows for direct movement of the isolation pier. Due to the setting of the two sets of movable arms 162, the plate forks 100 can be stabilized, preventing deviation and tilting that would affect the movement of the isolation pier.
[0032] When the U-shaped frame 161 moves, the slider 163 on its outer wall moves to the other end in the travel groove 101, while the arc surface 102 and the arc groove 164 cooperate with each other to restrict the U-shaped frame 161 to slide in a straight line along the outer wall of the U-shaped frame 161. At this time, most of the U-shaped frame 161 is located below the bucket, while the part located between the two sets of U-shaped frames 161 will not affect the steel plate fork 100 from extending into the slot at the bottom of the isolation pier.
[0033] When the two sets of U-shaped frames 161 are in a fitted state, the fastener 169 can be sleeved on the outer wall of the two sets of ball head rods 168 and slide past the outer wall of the rubber ring 1681, so that the fastener 169 is stably sleeved on the two sets of ball head rods 168, thereby achieving the locking effect of the two sets of U-shaped frames 161. This can provide a certain degree of protection against loss for the two sets of steel plate forks 100, so that there will be no situation where one set of steel plate forks 100 is missing when used next time.
[0034] Please refer to this carefully. Figure 3 The thickness of the U-plate frame 161 is smaller than the thickness of the steel plate fork 100.
[0035] When the steel plate fork 100 is installed on the bucket, it avoids slippage damage caused by the U-plate frame 161 contacting the ground, thereby extending the service life of the U-plate frame 161.
[0036] In use, two sets of steel plate forks 100 are placed in front of the loader bucket, with the slots 150 fitted onto the lower edge of the bucket's opening (allowing the barrier to move as the bucket slides along the ground). Then, a hex wrench is used to apply rotational force to the fastening bolts 140, causing the bottom of the fastening bolts 140 to abut against the inner wall of the bucket. Thus, the steel plate forks 100 are fixed to the front of the bucket via the connecting piece 130, and can be inserted into the slots at the bottom of the barrier as the bucket moves (two sets of slots are pre-drilled at the bottom of each barrier to facilitate movement). The barrier is lifted as the loader controls the bucket to rise, and can then be moved by the loader bucket. Any parts not described in this device are the same as or can be implemented using existing technology.
[0037] Although embodiments of the present invention have been shown and described, these specific embodiments are merely explanations of the present invention and are not intended to limit the invention. The specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. After reading this specification, those skilled in the art may make modifications, substitutions, and variations to the embodiments as needed without departing from the principles and spirit of the present invention, provided that such modifications, substitutions, and variations are within the scope of the claims of the present invention and are protected by patent law.
Claims
1. A forklift-specific fork device, comprising two sets of steel plate forks (100) and a limiting assembly (160), characterized in that: A connector (130) for inserting into the bucket of a forklift is fixed at one side of the top of the plate fork (100). The contact end face of the connector (130) with the bucket has a pre-reserved groove (150). The top of the connector (130) is threaded with a fastening bolt (140) that abuts against the bucket. A main reinforcing arm (110) is welded to one side of the end of the connector (130) and on the upper surface of the plate fork (100). A secondary reinforcing arm (120) connected to the side of the main reinforcing arm (110) is fixedly sleeved on the outer wall of the connector (130).
2. The forklift-specific fork device according to claim 1, characterized in that: The end of the steel plate fork (100) away from the connector (130) is trapezoidal in shape, and the steel plate fork (100) is welded and fixed to the main reinforcing arm (110), the secondary reinforcing arm (120) and the connector (130).
3. The forklift-specific fork device according to claim 1, characterized in that: The connector (130) has a matching threaded hole at the position where it contacts the fastening bolt (140).
4. The forklift-specific fork device according to claim 1, characterized in that: Both sets of steel plate forks (100) are equipped with limiting components (160) that are close to each other. The limiting components (160) include U-shaped frames (161) that slide on the front and rear surfaces of the limiting components (160). Movable arms (162) are rotatably connected to the two sets of U-shaped frames (161). One end of the movable arm (162) is rotatably connected to a rotating seat (165), and the rotating seat (165) is fixed to the outer wall of the steel plate fork (100). A clearance groove (166) is provided on the side of the U-shaped frame (161) that is in contact with the steel plate fork (100).
5. A forklift-specific fork device according to claim 1, characterized in that: The limiting component (160) has a travel groove (101) on the surface that contacts the U-plate frame (161). A slider (163) fixed to the outer wall of the U-plate frame (161) is slidably disposed in the travel groove (101). Arc-shaped surface (102) is fixed on the upper and lower inner walls of the travel groove (101). Arc grooves (164) that are adapted to the arc-shaped surface (102) are provided on the upper and lower parts of the slider (163).
6. A forklift-specific fork device according to claim 5, characterized in that: Both sets of U-plate frames (161) have sealing strips (167) welded to their end faces. Ball head rods (168) are fixed to the outer walls of the sealing strips (167). Fasteners (169) are sleeved on the outer walls of both sets of sealing strips (167). Rubber rings (1681) are glued to the outer walls of each set of ball head rods (168).
7. A forklift-specific fork device according to claim 5, characterized in that: The thickness of the U-shaped frame (161) is smaller than that of the steel plate fork (100).