Pallet fork with end lifting function
By designing forks with end-lifting capabilities, and utilizing a motor-driven gear chain transmission and rope mechanism, the problem of inaccurate angles caused by the deflection of the cantilever beam structure was solved, achieving multi-angle adaptability of the forks and improving their performance.
Patent Information
- Application Number
- CN202520342134.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-28
- Publication Date
- 2025-12-05
- Estimated Expiration
- 2035-02-28
AI Technical Summary
Existing telescopic forks deflect downwards under load due to their cantilever beam structure, making it impossible to accurately calculate the extension angle and affecting performance, especially in environments with limited space or strict requirements for docking angles.
Design a fork with end lifting function. By setting up a lifting mechanism, including a first fork and a second fork, the lifting of the fork is realized by a gear chain drive driven by a motor and a rope mechanism, which can adapt to various docking angles.
The design achieves a simple and easy-to-use fork structure, adapts to various docking angles, solves the downward deflection problem, and improves performance in environments with limited space or strict docking angle requirements.
Smart Images
Figure CN223633050U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a cargo fork technical field, concretely relates to a cargo fork with end lifting function. BACKGROUND
[0002] The telescopic cargo fork is a kind of cantilever beam structure when being loaded, because of the inherent properties of material, when being cantilevered, deflection is inevitably generated, and the deflection affects normal use in some space-limited environment, but the problem of excessive deflection cannot be solved by increasing the fork body or changing material. In some use environments with certain requirements for the butt joint angle of goods, because of processing error and the existence of gap between telescopic levels (upper, middle and lower forks) of the fork body, deflection cannot be accurately calculated when being extended, and the angle generated by deflection when being extended cannot be accurately calculated, so that the use requirements cannot be met.
[0003] Based on the above situation, the utility model provides a cargo fork with end lifting function, which can effectively solve the above problems. UTILITY MODEL CONTENTS
[0004] The utility model discloses a cargo fork with end lifting function. The cargo fork with end lifting function is simple in structure, convenient to use, the first fork and the second fork can be lifted or lowered by setting the lifting mechanism, the situation of deflection can be coped with, and various butt joint angles can be adapted.
[0005] The utility model discloses a cargo fork with end lifting function. The cargo fork with end lifting function is simple in structure, convenient to use, the first fork and the second fork can be lifted or lowered by setting the lifting mechanism, the situation of deflection can be coped with, and various butt joint angles can be adapted.
[0006] A cargo fork with end lifting function, including first fork and second fork, the first fork and the second fork all include the lower layer sliding arm, the middle layer sliding arm and the upper layer sliding arm that connect gradually, the lower layer sliding arm bottom one side of the first fork and the second fork is equipped with the first connecting seat, the first connecting seat is solid and is equipped with the first rotating shaft, the first rotating shaft both sides are all rotatably connected with the first bearing seat, the lower layer sliding arm bottom other side of the first fork and the second fork is equipped with the lifting mechanism, the lower layer sliding arm is rotatably connected with the gear, the gear between two is connected with the rotating rod, and the rotating rod one end extends to the outside of one of the lower layer sliding arm and is connected with the first sprocket, the lower layer sliding arm is equipped with the first motor, the motor shaft of the first motor is connected with the second sprocket, and the first sprocket and the second sprocket are connected by chain drive.
[0007] The utility model discloses a cargo fork with end lifting function. The cargo fork with end lifting function is simple in structure, convenient to use, the first fork and the second fork can be lifted or lowered by setting the lifting mechanism, the situation of deflection can be coped with, and various butt joint angles can be adapted.
[0008] The lifting mechanism comprises a second connecting seat, an L-shaped driving plate, a second rotating shaft, a second bearing seat, a second motor and a pull rope, the other side of the bottom of the lower sliding arm of the first and second forks is provided with the second connecting seat, a sliding groove is formed in the second connecting seat, the upper end of the L-shaped driving plate is slidably connected in the sliding groove, the middle part of the L-shaped driving plate is fixedly provided with the second rotating shaft, the two sides of the second rotating shaft are rotatably connected with the second bearing seat, a connecting rod is fixedly arranged between the lower ends of the two L-shaped driving plates, one side of the driving end of the second motor is provided with a rotating seat, the rotating seat is rotatably connected with a storage wheel, the motor shaft of the second motor is connected with the storage wheel, the storage wheel is fixedly connected with one end of the pull rope, and the connecting rod is fixedly connected with the other end of the pull rope.
[0009] Preferably, the sliding groove is provided with inclined surfaces on both sides.
[0010] Compared with the prior art, the utility model has the following advantages and beneficial effects:
[0011] The utility model discloses a fork with end lifting function, which is simple in structure and convenient to use. BRIEF DESCRIPTION OF DRAWINGS
[0012] Fig. 1 It is a structural schematic view of the utility model;
[0013] Fig. 2 It is a structural schematic view of another view of the utility model;
[0014] Fig. 3 It is a structural schematic view of the utility model hidden first sprocket outer box. DETAILED DESCRIPTION
[0015] In order to make the skilled in the art better understand the technical scheme of the utility model, the preferred implementation scheme of the utility model will be described below in combination with specific embodiments, but it should be understood that the drawings are only for illustrative description, and cannot be understood as the limitation of the patent; in order to better illustrate the embodiment, some components in the drawings will be omitted, enlarged or reduced, and do not represent the size of the actual product; for those skilled in the art, it is understandable that some well-known structures and their description in the drawings can be omitted. The positional relationship described in the drawings is only for illustrative description, and cannot be understood as the limitation of the patent.
[0016] Unless otherwise specified, the technical features of the first and second forks in this utility model (the constituent units / components of this utility model) are obtained from conventional commercial channels or manufactured by conventional methods. Their specific structure, working principle, and possible control methods and spatial arrangement can adopt conventional choices in the field and should not be regarded as the innovation of this utility model. This is understandable to those skilled in the art, and this utility model patent will not be further elaborated in detail.
[0017] Example 1:
[0018] like Figs. 1 to 3 As shown, this utility model provides a fork with end lifting function, including a first fork 1 and a second fork 2. The first fork 1 and the second fork 2 each include a lower sliding arm 11, a middle sliding arm 12 and an upper sliding arm 13 connected in sequence. A first connecting seat 31 is provided on one side of the bottom of the lower sliding arm 11 of the first fork 1 and the second fork 2. A first rotating shaft 32 is fixed on the first connecting seat 31. A first bearing seat 33 is rotatably connected to both sides of the first rotating shaft 32. A lifting mechanism is provided on the other side of the bottom of the lower sliding arm 11 of the first fork 1 and the second fork 2. A gear is rotatably connected inside the lower sliding arm 11. A rotating rod 34 is connected between the two gears. One end of the rotating rod 34 extends to the outside of one of the lower sliding arms 11 and is connected to a first sprocket 35. A first motor 36 is provided on the lower sliding arm 11. A second sprocket 37 is connected to the motor shaft of the first motor 36. The first sprocket 35 and the second sprocket 37 are connected by chain drive.
[0019] The first fork 1 and the second fork 2 are existing technologies. The first motor 36 drives the second sprocket 37 to rotate, the second sprocket 37 drives the first sprocket 35 to rotate, and the first sprocket 35 drives the gear to rotate, which ultimately realizes the rotation of the gear in the lower sliding arm 11. Therefore, the gear can drive the forks to extend and retract (for example, the gear drives the rack), thereby realizing the extension and retraction function of the first fork 1 and the second fork 2. The extension and retraction function is existing technology and will not be described in detail.
[0020] Example 2:
[0021] like Figs. 1 to 3The utility model provides a kind of fork with end lifting function, including first fork 1 and second fork 2, the first fork 1 and second fork 2 all include sequentially connected lower sliding arm 11, middle sliding arm 12 and upper sliding arm 13, the lower sliding arm 11 bottom side of the first fork 1 and second fork 2 is equipped with first connecting seat 31, first connecting seat 31 is equipped with first rotating shaft 32, first rotating shaft 32 both sides are rotatably connected with first bearing seat 33, the lower sliding arm 11 bottom side of the first fork 1 and second fork 2 is equipped with lifting mechanism, gear is rotatably connected in lower sliding arm 11, rotating rod 34 is connected between two gears, and rotating rod 34 one end extends to the outside of one of lower sliding arm 11 and is connected with first sprocket 35, first motor 36 is equipped on lower sliding arm 11, second sprocket 37 is connected on the motor shaft of first motor 36, and first sprocket 35 and second sprocket 37 are connected by chain drive.
[0022] The lifting mechanism includes second connecting seat 41, L-shaped drive plate 42, second rotating shaft 43, second bearing seat 44, second motor 45 and pull rope 46, the lower sliding arm 11 bottom side of the first fork 1 and second fork 2 is equipped with second connecting seat 41, the second connecting seat 41 is equipped with sliding slot 411, the upper end of L-shaped drive plate 42 is slidably connected in sliding slot 411, second rotating shaft 43 is fixedly arranged in the middle of L-shaped drive plate 42, second bearing seat 44 is rotatably connected on the both sides of second rotating shaft 43, connecting rod 47 is fixedly arranged between the lower end of two L-shaped drive plates 42, the one side of the driving end of second motor 45 is equipped with rotating seat 48, receiving wheel 49 is rotatably connected on rotating seat 48, the motor shaft of second motor 45 is connected with receiving wheel 49, receiving wheel 49 is fixedly connected with one end of pull rope 46, and connecting rod 47 is fixedly connected with the other end of pull rope 46.
[0023] second motor 45 drives receiving wheel 49 to rotate, and receiving wheel 49 drives pull rope 46 to relax or tighten, so as to realize that L-shaped drive plate 42 rotates on second rotating shaft 43, because of the shape design of L-shaped, the first fork 1 and second fork 2 can be raised or lowered.
[0024] Further, in another embodiment, the sliding slot 411 both sides are equipped with inclined plane.
[0025] The inclined plane is arranged to facilitate the sliding of the L-shaped drive plate 42 into the sliding slot 411.
[0026] According to the description and drawings of the utility model, the person skilled in the art can easily manufacture or use the fork with end lifting function of the utility model, and the positive effects described in the utility model can be achieved.
[0027] Unless otherwise stated and limited, the terms "length", "width", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like, as used herein, refer to the orientation or position of the device or element shown in the drawings, and are used only to facilitate the description of the present application and simplify the description, and do not indicate or imply that the device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore the terms describing the orientation or position of the device or element herein are only used for exemplary description, and cannot be understood as a limitation on the patent. For those skilled in the art, the specific meanings of the above terms can be understood in conjunction with the drawings and according to the specific circumstances.
[0028] Unless otherwise stated and limited, the terms "set", "connected" and "connected" in the present application should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be directly connected, or indirectly connected through an intermediate medium; it can be the communication between the two elements inside. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0029] The above is only a preferred embodiment of the present application, and does not limit the present application in any form. Any simple modification or equivalent change of the above embodiment according to the technical essence of the present application falls within the scope of protection of the present application.
Claims
1. A fork with end lifting function, comprising a first fork and a second fork, the first fork and the second fork each comprising a lower sliding arm, a middle sliding arm and an upper sliding arm connected in sequence, characterized in that: The lower layer sliding arm bottom side of the first and second forks is provided with a first connecting seat, a first rotating shaft is fixedly arranged on the first connecting seat, first bearing seats are rotatably connected to the two sides of the first rotating shaft, the lower layer sliding arm bottom side of the first and second forks is provided with a lifting mechanism, a gear is rotatably connected in the lower layer sliding arm, a rotating rod is connected between the two gears, one end of the rotating rod extends to the outside of one of the lower layer sliding arms and is connected with a first sprocket, a first motor is arranged on the lower layer sliding arm, a second sprocket is connected to the motor shaft of the first motor, and the first sprocket and the second sprocket are connected through a chain transmission.
2. The fork with end lift function according to claim 1, characterized in that: The lifting mechanism comprises a second connecting seat, an L-shaped driving plate, a second rotating shaft, a second bearing seat, a second motor and a pull rope, the lower layer sliding arm bottom side of the first and second forks is provided with a second connecting seat, a sliding groove is arranged on the second connecting seat, the upper end of the L-shaped driving plate is slidably connected in the sliding groove, the middle part of the L-shaped driving plate is fixedly provided with a second rotating shaft, the two sides of the second rotating shaft are rotatably connected with second bearing seats, a connecting rod is fixedly arranged between the lower ends of the two L-shaped driving plates, the driving end side of the second motor is provided with a rotating seat, the rotating seat is rotatably connected with a storage wheel, the motor shaft of the second motor is connected with the storage wheel, the storage wheel is fixedly connected with one end of the pull rope, and the connecting rod is fixedly connected with the other end of the pull rope.
3. The fork with end lift function according to claim 2, characterized in that: The two sides of the sliding groove are provided with inclined surfaces.