Hydraulic swing fork

CN224728274UActive Publication Date: 2026-09-08GUANGXI MEISHITUO EQUIPMENT CO LTD
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Patent Information

Application Number
CN202522286281.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-10-29
Publication Date
2026-09-08
Estimated Expiration
2035-10-29

AI Technical Summary

Technical Problem

[0005]本实用新型的目的在于提供一种液压摆动叉,从而克服了现有技术中存在的缺陷,该货叉能够实现在小范围内自动摆动以解决狭窄空间内不便调节的问题

Benefits of technology

1.本实用新型提供了一种液压摆动叉,该摆动叉通过回转驱动机构转动安装在马拉头上,并通过回转驱动机构控制摆动(转动),在进行狭窄空间内的搬运工作时,操作人员仅需控制回转驱动机构的转动,以带动该摆动叉的转动,直至摆动叉朝向货物所在位置(即搬运位置),即可适应不同位置的货物的接收,再通过液压控制抬升即可完成搬运工作。该摆动叉提高了作业效率以及空间利用率,实现在小范围内自动摆动以解决狭窄空间内不便调节的问题。

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Abstract

The utility model discloses a hydraulic swing fork relates to engineering machinery technical field, including the mechanical loading, and the swing fork is rotatably installed through the pull head on the frame of mechanical loading, is equipped with the rotary drive mechanism on the pull head, and the output of rotary drive mechanism is connected with swing fork, and swing fork is driven on the pull head to rotate (swing around the connecting shaft center of pull head) through rotary drive mechanism. When carrying out the carrying work in narrow space, the operator only needs to control the rotation of rotary drive mechanism to drive the rotation of the swing fork, until the swing fork is oriented to the position of goods (i. e. carrying position), can adapt to the receiving of goods of different positions, and can complete the carrying work through the hydraulic control lifting. The swing fork improves the operation efficiency and the space utilization, realizes the automatic swing in small range to solve the problem of inconvenient adjustment in narrow space.
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Description

Technical Field

[0001] This utility model belongs to the field of engineering machinery technology, and specifically relates to a hydraulic swing fork. Background Technology

[0002] Excavators, as a type of multi-functional engineering machinery, are widely used in earthwork excavation, mining operations, and construction. Their standard working devices typically include a boom, stick, and bucket, enabling them to efficiently perform actions such as digging and loading. However, traditional excavators have significant functional limitations when it comes to the transfer, stacking, and precise placement of bulk materials (such as sand, coal, and grain).

[0003] To address the aforementioned technical issues, common solutions include: 1. Using a standard bucket for material handling. While feasible, this method struggles to precisely adjust the bucket's position and orientation when placing materials in specific locations (such as pallets, truck beds, or designated stockpiles). 2. Replacing attachments with specialized tools (such as hydraulic log grippers or grapples). This expands the excavator's functionality to some extent, but each attachment change requires the operator to leave the cab, interrupting continuous work and reducing overall efficiency. Furthermore, the fixed installation position limits flexibility, especially when handling side-mounted goods or stacking materials in non-directly facing directions, necessitating frequent and extensive adjustments to the excavator's overall position. This is not only cumbersome and inefficient but also difficult to implement in confined spaces, and may even pose safety risks.

[0004] Therefore, there is an urgent need to design a hydraulic swing fork that has a simple structure and can effectively achieve free swing within a small range. Utility Model Content

[0005] The purpose of this invention is to provide a hydraulic swing fork that overcomes the shortcomings of existing technologies. This fork can automatically swing within a small range to solve the problem of inconvenient adjustment in narrow spaces. The specific technical solution is as follows: A hydraulic oscillating fork includes a mounting mechanism. The oscillating fork is rotatably mounted on the frame of the mounting mechanism via a horse head. The horse head is provided with a rotary drive mechanism. The output end of the rotary drive mechanism is connected to the oscillating fork, and the oscillating fork is driven to rotate on the horse head by the rotary drive mechanism.

[0006] Preferably, the horse head includes a mounting base, connecting side plates, connecting rods, and a rotating shaft. The connecting side plates are mounted on opposite sides of the mounting base, the connecting rods are mounted between the two connecting side plates, and the rotating shafts are mounted on the mounting base.

[0007] Preferably, the rotary drive mechanism includes a connecting mounting plate, a drive motor, a mounting housing, a worm gear, a worm, and a turntable drive plate. The mounting housing is mounted on the mounting base via the connecting mounting plate. The worm gear is rotatably mounted inside the mounting housing. The worm is mounted inside the mounting housing and meshes with the worm gear. The drive motor is mounted on the mounting housing, and its output end is connected to the worm. The turntable drive plate is rotatably mounted on the mounting housing and connected to the worm gear. The drive motor drives the turntable drive plate to rotate on the mounting housing.

[0008] Preferably, the swing fork includes a connecting seat, a mounting back plate, and forks. The connecting seat is mounted on the rotating shaft, the extended end of the turntable drive plate is connected to the connecting seat, the mounting back plate is mounted on the connecting seat, and the forks are slidably disposed on the mounting back plate.

[0009] Preferably, two forks are slidably mounted on the mounting back plate.

[0010] Preferably, the upper and lower end faces of the mounting back plate are provided with slide rails, and the forks are slidably mounted on the slide rails via a mounting slider.

[0011] Preferably, limit blocks are installed at opposite ends of the slide rail by bolts.

[0012] Preferably, a locking element is installed on the receiving mounting slider to restrict the sliding of the forks on the slide rail.

[0013] Compared with existing technologies, this utility model has the following beneficial effects: 1. This utility model provides a hydraulic swing fork, which is rotatably mounted on a horse's head via a rotary drive mechanism. The swing (rotation) is controlled by the rotary drive mechanism. When handling goods in confined spaces, the operator only needs to control the rotation of the rotary drive mechanism to rotate the swing fork until it faces the location of the goods (i.e., the handling position). This allows for the receiving of goods in different locations, and the lifting is then hydraulically controlled to complete the handling operation. This swing fork improves work efficiency and space utilization, achieving automatic swing within a small range to solve the problem of inconvenient adjustment in confined spaces.

[0014] 2. The distance between the two forks in the hydraulic swing fork provided by this utility model can be adjusted according to the size of the goods to be transported, thereby improving the applicability and practicality of the swing fork. Attached Figure Description

[0015] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. In all the drawings, similar elements or parts are generally identified by similar reference numerals. The elements or parts in the drawings are not necessarily drawn to scale.

[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0017] Figure 2 This is a schematic diagram of the horse head structure of this utility model.

[0018] Figure 3 This is a schematic diagram of the rotary drive mechanism of this utility model.

[0019] Figure 4 This is a schematic diagram of the swing fork structure of this utility model.

[0020] Explanation of key figure labels: 100-Horse head, 110-Mounting base, 120-Connecting side plate, 130-Connecting rod, 140-Spinning shaft, 200-Swing fork, 210-Connecting base, 220-Mounting back plate, 230-Fork, 240-Slide rail, 250-Supporting mounting slider, 260-Limit block, 270-Locking element, 300-Slewing drive mechanism, 310-Connecting mounting plate, 320-Drive motor, 330-Mounting housing, 360-Turntable drive plate. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] In the description of this utility model, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "top surface", "bottom surface", "inner", "outer", "inner side", "outer side", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0023] In the description of this utility model, "several" means one or more, "multiple" means two or more, "greater than," "less than," and "exceeding" are understood to exclude the stated number, while "above," "below," and "within" are understood to include the stated number. If the terms "first," "second," and "third" are used in the description, they are for descriptive purposes and to distinguish technical features, and should not be construed as indicating or implying relative importance, or implicitly indicating the number of indicated technical features, or implicitly indicating the sequential relationship of the indicated technical features.

[0024] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "setting" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances. The embodiments of this utility model will now be described based on its overall structure.

[0025] Example like Figures 1 to 4 As shown, a hydraulic oscillating fork includes a mounting mechanism. An oscillating fork 200 is rotatably mounted on the frame of the mounting mechanism via a horse-drawn head 100. A rotary drive mechanism 300 is provided on the horse-drawn head 100, and its output end is connected to the oscillating fork 200. The rotary drive mechanism 300 drives the oscillating fork 200 to rotate on the horse-drawn head 100 (oscillating around the connecting axis of the horse-drawn head 100). When performing handling operations in confined spaces, the operator only needs to control the rotation of the rotary drive mechanism 300 to drive the rotation of the oscillating fork 200 until the oscillating fork 200 faces the location of the goods (i.e., the handling position). This allows for the reception of goods in different locations, and the handling operation is completed by hydraulically controlling the lifting. This oscillating fork improves operational efficiency and space utilization, achieving automatic oscillation within a small range to solve the problem of inconvenient adjustment in confined spaces.

[0026] Preferably, the horse head 100 includes a mounting base 110, a connecting side plate 120, a connecting rod 130, and a rotating shaft 140. The connecting side plates 120 are mounted on opposite sides of the mounting base 110. The connecting rod 130 is mounted between the two connecting side plates 120. The rotating shaft 140 is mounted on the mounting base 110. The horse head 100 is mounted on the frame of the vehicle carrying the machinery via the connecting side plates 120 and the connecting rod 130.

[0027] In some preferred embodiments, the rotary drive mechanism 300 includes a connecting mounting plate 310, a drive motor 320, a mounting housing 330, a worm gear, a worm, and a turntable drive plate 360. The mounting housing 330 is mounted on the mounting base 110 via the connecting mounting plate 310. Notably, the mounting housing 330 has a mounting cavity for mounting the worm gear and a mounting cavity for mounting the worm. The worm gear is rotatably mounted in the mounting cavity within the mounting housing 330, and the worm is also rotatably mounted within the mounting housing 330 for mounting... The worm gear is housed within the mounting cavity and meshes with the worm wheel, forming a worm gear mechanism. The drive motor 320 is mounted on the mounting housing 330, with its output end connected to the worm gear. The turntable drive plate 360 ​​is rotatably mounted on the mounting housing 330 and connected to the worm wheel. The drive motor 320 drives the rotation of the worm gear, which in turn drives the rotation of the worm wheel. The rotation of the worm wheel 350 drives the rotation of the turntable drive plate 360, which indirectly drives the rotation (oscillation) of the swing fork 200. It is worth noting that the swing range (angle) of the swing fork 200 is 0-180°.

[0028] In some preferred embodiments, the swing fork 200 includes a connecting seat 210, a mounting back plate 220, and forks 230. The connecting seat 210 is mounted on the rotating shaft 140, and the extended end of the turntable drive plate 360 ​​is connected to the connecting seat 210. The mounting back plate 220 is mounted on the connecting seat 210, and a plurality of forks 230 are slidably disposed on the mounting back plate 220. Specifically, two forks 230 are slidably disposed on the mounting back plate 220. The two forks 230 can move closer or further apart depending on the size of the goods to be received, thereby adjusting the volume of goods picked up by the forks 230. Slide rails 240 are provided at both the upper and lower end faces of the mounting back plate 220, and the forks 230 are slidably mounted on the slide rails 240 via mounting sliders 250. Limiting blocks 260 are bolted to opposite ends of the slide rails 240 to prevent the forks 230 from sliding out of the slide rails 240. The receiving and mounting slider 250 is equipped with a locking member 270, which restricts the sliding of the fork 230 on the slide rail 240. It is worth mentioning that the receiving and mounting slider 250 is provided with a threaded hole, and the locking member 270 is specifically a locking bolt. The locking member 270 and the receiving and mounting slider 250 are connected by threads. The mutual clamping between the locking members 270 on the upper and lower receiving and mounting sliders 250 (that is, clamping the slide rail 240 located at the upper and lower ends of the mounting back plate 220) restricts the sliding of the fork 230, thereby fixing the position of the fork 230. This adjustment method is convenient and quick, and can be adjusted according to the size of the goods to be picked up.

[0029] Next, the operation steps in this embodiment will be described in detail to enable those skilled in the art to better understand this utility model: The loading machinery (which can be an excavator) is driven to the designated cargo handling location. The position of the swing fork 200 and the distance between the two forks 230 are adjusted according to the size and location of the cargo to accommodate the cargo to be handled. After the adjusted swing fork 200 is aligned with the cargo to be handled, it is inserted into the bottom of the cargo. The cargo to be handled is lifted (raised) by the hydraulic system. The operator drives the loading machinery away from the cargo handling location to realize the operations of acquiring, lifting, and transferring the cargo.

[0030] In summary, this utility model provides a hydraulic oscillating fork. This oscillating fork is rotatably mounted on the horse's head via a rotary drive mechanism, and its oscillation (rotation) is controlled by the rotary drive mechanism. When handling goods in confined spaces, the operator only needs to control the rotation of the rotary drive mechanism to drive the oscillating fork to rotate until it faces the location of the goods (i.e., the handling position). This allows for the receiving of goods in different locations, and the handling work is completed by hydraulically controlling the lifting. This oscillating fork improves work efficiency and space utilization, achieving automatic oscillation within a small range to solve the problem of inconvenient adjustment in confined spaces. The distance between the two forks in the hydraulic oscillating fork provided by this utility model can be adjusted according to the size of the goods to be handled, improving the applicability and practicality of the oscillating fork.

[0031] The foregoing description of specific exemplary embodiments of the present invention is for illustrative and explanatory purposes. These descriptions are not intended to limit the present invention to the precise forms disclosed, and it is obvious that many changes and variations can be made based on the above teachings. 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. The purpose of selecting and describing exemplary embodiments is to explain the specific principles of the present invention and its practical application, so that those skilled in the art, after reading this specification, can make modifications, substitutions, variations, and various choices and changes to the embodiments as needed without departing from the principles and spirit of the present invention, provided that such modifications, substitutions, variations, and choices and changes are within the scope of the claims of the present invention and are protected by patent law.

Claims

1. A hydraulic swing fork comprising a mounted machine, characterized by, A swing fork (200) is rotatably mounted on the frame of the machine via a horse head (100). A rotary drive mechanism (300) is provided on the horse head (100). The output end of the rotary drive mechanism (300) is connected to the swing fork (200). The rotary drive mechanism (300) drives the swing fork (200) to rotate on the horse head (100).

2. A hydraulic swing ram as claimed in claim 1, wherein, The horse head (100) includes a mounting base (110), a connecting side plate (120), a connecting rod (130), and a rotating shaft (140). The connecting side plates (120) are installed on opposite sides of the mounting base (110), the connecting rod (130) is installed between the two connecting side plates (120), and the rotating shaft (140) is installed on the mounting base (110).

3. A hydraulic swing ram as claimed in claim 2, wherein, The rotary drive mechanism (300) includes a connecting mounting plate (310), a drive motor (320), a mounting housing (330), a worm gear, a worm, and a turntable drive plate (360). The mounting housing (330) is mounted on the mounting base (110) via the connecting mounting plate (310). The worm gear is rotatably mounted inside the mounting housing (330). The worm is mounted inside the mounting housing (330) and meshes with the worm gear. The drive motor (320) is mounted on the mounting housing (330), and its output end is connected to the worm. The turntable drive plate (360) is rotatably mounted on the mounting housing (330) and connected to the worm gear. The drive motor (320) drives the turntable drive plate (360) to rotate on the mounting housing (330).

4. A hydraulic swing ram as claimed in claim 3, wherein, The swing fork (200) includes a connecting seat (210), a mounting back plate (220), and forks (230). The connecting seat (210) is mounted on the rotating shaft (140). The extended end of the turntable drive plate (360) is connected to the connecting seat (210). The mounting back plate (220) is mounted on the connecting seat (210). The forks (230) are slidably disposed on the mounting back plate (220).

5. A hydraulic swing ram as claimed in claim 4, wherein, Two forks (230) are slidably mounted on the mounting back plate (220).

6. A hydraulic swing ram as claimed in claim 4, wherein, The mounting back plate (220) is provided with slide rails (240) on both the upper and lower ends, and the forks (230) are slidably mounted on the slide rails (240) by means of mounting sliders (250).

7. A hydraulic swing ram as claimed in claim 6, wherein, Limiting blocks (260) are bolted to the opposite ends of the slide rail (240).

8. A hydraulic swing ram as defined in claim 6, wherein, A locking element (270) is installed on the receiving mounting slider (250) to restrict the sliding of the forks (230) on the slide rail (240).