Cantilever support structure of three-way forklift

Abstract

The utility model provides a three-way forklift cantilever support structure which comprises an L-shaped frame body with a cavity inside, the frame body comprises a first side plate (10) and a second side plate (20) which are symmetrically arranged, the high edge of the first side plate (10) is fixedly connected with the high edge of the second side plate (20) through an upper transverse plate (30), and the high edge of the first side plate (10) is fixedly connected with the high edge of the second side plate (20) through a lower transverse plate (30). The middle edge of the first side plate (10) and the middle edge of the second side plate (20) are fixedly connected through a middle transverse plate (40), the lower edge of the first side plate (10) and the lower edge of the second side plate (20) are fixedly connected through a lower transverse plate (50), and the outer end of the upper transverse plate (30) and the outer end of the lower transverse plate (50) extend in the horizontal direction to form a first end plate (31) and a second end plate (51). And the end parts of the middle transverse plate (40) and the lower transverse plate (50) extend horizontally to form a third end plate (41) and a fourth end plate (52). The utility model has high stability, can realize the quick assembly of the inner carriage and the fork arm carrier, and is easy to maintain.

Description

Technical Field

[0001] This utility model belongs to the field of three-way forklift technology, and in particular relates to a three-way forklift cantilever structure. Background Technology

[0002] With the development of intensive warehousing and logistics, narrow aisle racking and narrow aisle three-way stacker forklifts are becoming increasingly common. Existing forklift structures all use hydraulic power to provide lifting, lateral movement, and rotation. This invention provides a compact, flexible, and highly stable three-way forklift cantilever. The cantilever weight is significantly reduced compared to traditional forklift cantilever cantilevers, solving the problems of poor multi-directional motion coordination, insufficient strength, and fork tip buckling under load in existing technologies. Utility Model Content

[0003] In view of the above-mentioned defects of the prior art, the present invention aims to provide a three-way forklift cantilever structure that facilitates assembly, improves assembly efficiency, and significantly reduces weight. By installing the cantilever on the inner carriage of the forklift and together with the control system, mechanical efficiency is improved and service life is extended.

[0004] To achieve the above objectives, this utility model provides a three-way forklift cantilever structure, including an L-shaped frame body with an internal cavity. The frame body includes a first side plate and a second side plate symmetrically arranged. The high edges of the first side plate and the second side plate are fixedly connected by an upper horizontal plate. The middle edges of the first side plate and the second side plate are fixedly connected by a middle horizontal plate. The lower edges of the first side plate and the second side plate are fixedly connected by a lower horizontal plate. The outer ends of the upper horizontal plate and the lower horizontal plate extend horizontally to form a first end plate and a second end plate for mounting a lateral shifting device. The ends of the middle horizontal plate and the lower horizontal plate extend horizontally to form a third end plate and a fourth end plate for mounting a rotating device. The upper end surface of the middle horizontal plate is used to mount a driving device. The cantilever structure of this application is applied to a three-way forklift. Compared with the traditional forklift cantilever structure, the weight of this structure is significantly reduced. The first and second end plates are used to install the lateral movement device and are connected to the inner carriage of the forklift, thus connecting to the control system, which allows the entire cantilever to move left and right relative to the inner carriage. The third and fourth end plates are used to install the rotation device. The drive device installed on the upper end face of the middle cross plate is used to drive the rotation device to drive the fork carriage and forks to rotate 180 degrees. This cantilever structure is easy to assemble and improves assembly efficiency.

[0005] The vertical edges of the first side plate and the second side plate are fixedly connected between the third end plate and the fourth end plate via the front upright plate.

[0006] The vertical edges of the first side plate and the second side plate between the first end plate and the third end plate are fixedly connected by the rear upright plate.

[0007] A parallel support plate is installed on the upper end face of the middle part of the horizontal plate, and an assembly plate is fixedly installed on the support plate.

[0008] A wiring hole is provided in the lower part of the rear upright plate, and the wiring hole communicates with the cavity.

[0009] The lower end faces of both the third end plate and the fourth end plate are equipped with reinforcing plates.

[0010] The third end plate and the fourth end plate are respectively provided with upper and lower rotating shaft mounting holes having the same central axis.

[0011] The outer ends of the first end plate and the second end plate are respectively provided with upper and lower side shift shaft mounting holes 160 and upper and lower side shift roller mounting holes 130.

[0012] Pipeline fixing components are provided on the inner surfaces of the first side plate and the second side plate between the first end plate and the second end plate.

[0013] A pressure roller mounting seat is installed on the edge of both the first side plate and the second side plate between the first end plate and the second end plate.

[0014] Compared with the prior art, the implementation of this utility model achieves the following significant technical effects:

[0015] This application discloses a three-way forklift cantilever structure that provides a flat installation space, facilitating assembly and improving assembly efficiency. Compared to traditional forklift cantilever structures, this structure significantly reduces weight. By installing a lifting and rotating device internally, and mounting the cantilever on the forklift's inner carriage, along with a control system, the entire cantilever can be moved left and right relative to the inner carriage. The cantilever, fork carriage, and forks can be moved left and right along the rack under the drive of a lifting cylinder. The fork carriage and forks can also rotate 180 degrees along the rotation axis. Both rotation and left-right movement utilize hydraulic drive, improving mechanical efficiency and extending service life. This application's cantilever structure can accommodate wider forks by changing the length of the frame components, thus enabling the handling of larger pallets. The following will further explain the concept and technical effects of this utility model in conjunction with the accompanying drawings to fully understand its purpose, features, and effects. Attached Figure Description

[0016] Figure 1 This is a structural schematic diagram of a three-way forklift cantilever structure according to the present invention;

[0017] Figure 2 This is a bottom view schematic diagram of a three-way forklift cantilever structure according to this utility model;

[0018] Figure 3 This is a structural schematic diagram of a three-way forklift cantilever structure according to the present invention;

[0019] Figure 4 This is an assembly diagram of a three-way forklift cantilever structure according to the present invention;

[0020] Figure 5 This is a schematic diagram of the usage structure of a three-way forklift cantilever structure according to this utility model. Detailed Implementation

[0021] The following specific examples illustrate the implementation of this utility model. Those skilled in the art can easily understand other advantages and effects of this utility model from the content disclosed in this specification. This utility model can also be implemented or applied through other different specific embodiments, and various details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of this utility model. It should be noted that, unless otherwise specified, the following embodiments and features described therein can be combined with each other.

[0022] It should be noted that the illustrations provided in the following embodiments are only schematic representations of the basic concept of the present invention. Therefore, the illustrations only show the components related to the present invention and are not drawn according to the number, shape and size of the components in actual implementation. In actual implementation, the form, quantity and proportion of each component can be arbitrarily changed, and the layout of the components may also be more complex.

[0023] This application discloses a three-way forklift cantilever structure that enables the cantilever 1, fork carriage 2, and forks 3 to move left and right relative to the cab via rails and racks installed on the inner carriage. The cantilever structure of this application provides a flat installation space, in which lifting and rotating devices can be installed to drive the left and right movement of the cantilever structure and the rotation of the forks within a 180° range. Both the rotation and the left and right movement use a hydraulic drive scheme, which improves mechanical efficiency and extends service life.

[0024] The specific implementation method is as follows:

[0025] Please see Figures 1-5A three-way forklift cantilever structure includes an L-shaped frame with an internal cavity. The frame includes a first side plate 10 and a second side plate 20 symmetrically arranged. The high edges of the first side plate 10 and the second side plate 20 are fixedly connected by an upper horizontal plate 30. The middle edges of the first side plate 10 and the second side plate 20 are fixedly connected by a middle horizontal plate 40. The lower edges of the first side plate 10 and the second side plate 20 are fixedly connected by a lower horizontal plate 50. The outer ends of the upper horizontal plate 30 and the lower horizontal plate 50 extend horizontally to form a first end plate 31 and a second end plate 51 for mounting a lateral shifting device 60. The ends of the middle horizontal plate 40 and the lower horizontal plate 50 extend horizontally to form a third end plate 41 and a fourth end plate 52 for mounting a rotating device 70. The upper end face of the middle horizontal plate 40 is used to mount a driving device 80. The cantilever structure of this application is applied to a three-way forklift. Compared with the traditional forklift cantilever structure, the weight of this structure is significantly reduced. The first end plate 31 and the second end plate 51 are used to install the lateral movement device and are connected to the inner carriage of the forklift, connecting to the control system, so that the left and right movement of the entire cantilever relative to the inner carriage can be operated. The third end plate 41 and the fourth end plate 52 are used to install the rotating device 70. The drive device 80 installed on the upper end surface of the middle cross plate 40 is used to drive the rotating device 70 to drive the fork carriage and forks to rotate 180 degrees. This cantilever structure is easy to assemble and improves assembly efficiency.

[0026] The vertical edges of the first side plate 10 and the second side plate 20 are fixedly connected between the third end plate 41 and the fourth end plate 52 via the front upright plate 90.

[0027] The vertical edges of the first side plate 10 and the second side plate 20 between the first end plate 31 and the third end plate 41 are fixedly connected by the rear upright plate 100.

[0028] Specifically, the first side plate, second side plate, front upright plate 90, rear upright plate 100, upper horizontal plate 30, middle horizontal plate 40, and lower horizontal plate 50 are welded together to form a basic frame structure. The welded frame components are then machined. This cantilever structure can also accommodate various other functional accessories, as well as limit shafts for fork positioning and braking, and can be connected to a cover protecting the installed power mechanism. The cantilever structure is welded from steel plates of various materials. After welding, the mounting surfaces and holes of each connector require overall machining, followed by polishing and painting.

[0029] A parallel support plate 42 is installed on the upper end face of the middle part of the horizontal plate 40, and an assembly plate 43 is fixedly installed on the support plate 42.

[0030] A wiring hole 101 is provided in the lower part of the rear upright plate 100, and the wiring hole 101 communicates with the cavity.

[0031] The lower end faces of the third end plate 41 and the fourth end plate 52 are both equipped with reinforcing plates 110.

[0032] The third end plate 41 and the fourth end plate 52 are respectively provided with upper and lower rotating shaft mounting holes 120 having the same central axis.

[0033] The outer ends of the first end plate 31 and the second end plate 51 are respectively provided with upper and lower side shift shaft mounting holes 160 and upper and lower side shift roller mounting holes 130.

[0034] Specifically, the upper and lower rotating shaft mounting holes 120, the upper and lower side-shifting shaft mounting holes 160, and the upper and lower side-shifting roller mounting holes 130 are formed and processed on the basic frame structure, which is simple and precise.

[0035] A pipeline fixing assembly 140 is provided on the inner side of the first side plate 10 and the second side plate 20 between the first end plate 31 and the second end plate 51.

[0036] A pressure roller mounting seat 150 is installed on the edge of the first side plate 10 and the second side plate 20 between the first end plate 31 and the second end plate 51.

[0037] The cantilever structure 1 is used in combination with the inner slide 4, and the cantilever structure 1 moves left and right in the horizontal direction of the inner slide 4.

[0038] The rear upright plate 100 and the middle cross plate 40 form a first mounting cavity for mounting a rotating device. The rotating device 70 includes a rotating motor mounted on the assembly plate 43 and a rotating shaft mounted on the upper and lower rotating shaft mounting holes 120. The rotating shaft of the rotating motor is connected to the rotating shaft through a gear set to drive the fork carriage 2 to rotate 180 degrees.

[0039] The rear upright plate 100 forms a second mounting cavity with the interior of the first side plate 10 and the second side plate 20 for mounting a lateral shifting device. The lateral shifting device includes upper and lower lateral shifting shaft mounting holes 160, each with gears corresponding to the racks on the inner slide. Upper and lower lateral shifting roller mounting holes 130 are fixedly mounted with rotating shafts, and rotating wheels are mounted on the rotating shafts, with the rotating wheels facing inwards. A pressure roller mounting base 150 is fixedly mounted with a rotating shaft, and an outward-facing roller is mounted on the rotating shaft.

[0040] The lower end face of the lower horizontal plate 50 is fitted with front and rear fixing plates 170, which are used to install locking devices for locking or releasing the rotating shaft.

[0041] The above description is merely a preferred embodiment of this application and an explanation of the technical principles employed. Those skilled in the art should understand that the scope of disclosure in this application is not limited to technical solutions formed by specific combinations of the above-described technical features, but should also cover other technical solutions formed by arbitrary combinations of the above-described technical features or their equivalents without departing from the above-disclosed concept. For example, technical solutions formed by substituting the above features with (but not limited to) technical features with similar functions disclosed in this application. The above embodiments are merely illustrative of the principles and effects of this utility model and are not intended to limit this utility model. Any person skilled in the art can modify or change the above embodiments without departing from the spirit and scope of this utility model. Therefore, all equivalent modifications or changes made by those skilled in the art without departing from the spirit and technical concept disclosed in this utility model should still be covered by the claims of this utility model.

Claims

1. A three-way fork truck cantilevered mast structure, characterized by, The utility model provides a kind of L-shaped frame body including internal cavity, the frame body includes symmetrically arranged first side plate (10) and second side plate (20), the high edge of the first side plate (10) and the second side plate (20) is fixedly connected by upper transverse plate (30), the middle edge of the first side plate (10) and the second side plate (20) is fixedly connected by middle transverse plate (40), the lower edge of the first side plate (10) and the second side plate (20) is fixedly connected by lower transverse plate (50), the outer end of the upper transverse plate (30) and the lower transverse plate (50) extends to form first end plate (31) and second end plate (51) in horizontal direction, for installing side shift device, the end of the middle transverse plate (40) and the lower transverse plate (50) extends to form third end plate (41) and fourth end plate (52) in horizontal direction, for installing rotating device (70), the upper end surface of the middle transverse plate (40) is used to install driving device (80).

2. A three-way fork truck cantilevered mast structure as defined in claim 1 wherein, The vertical edge of the first side plate (10) and the second side plate (20) between the third end plate (41) and the fourth end plate (52) is fixedly connected by front vertical plate (90).

3. A three-way fork truck jib structure according to claim 1 wherein, The vertical edge of the first side plate (10) and the second side plate (20) between the first end plate (31) and the third end plate (41) is fixedly connected by rear vertical plate (100).

4. The three-way fork truck cantilevered mast structure of claim 1, wherein, The upper end surface of the middle part of the middle transverse plate (40) is installed with support plate (42) arranged in parallel, and assembly plate (43) is fixedly installed on the support plate (42).

5. A three-way fork truck jib structure according to claim 3 wherein, The lower part of the rear vertical plate (100) is provided with wiring hole (101) that is communicated with the cavity.

6. A three-way fork truck jib structure according to claim 1 wherein, The lower end surface of the third end plate (41) and the fourth end plate (52) is installed with reinforcing plate (110).

7. A three-way fork truck jib structure as claimed in claim 1, wherein The third end plate (41) and the fourth end plate (52) are respectively provided with upper and lower rotating shaft mounting holes (120) with the same center axis.

8. The three-way fork truck cantilevered mast structure of claim 1, wherein, The outer end of the first end plate (31) and the second end plate (51) is correspondingly provided with upper and lower side shift shaft mounting holes (160) and upper and lower side shift roller mounting holes (130).

9. The three-way fork truck cantilevered mast structure of claim 1, wherein, The opposite inner side surface of the first side plate (10) and the second side plate (20) between the first end plate (31) and the second end plate (51) is provided with pipeline fixing assembly (140).

10. The three-way fork truck cantilevered mast structure of claim 1, wherein, The edge of the first side plate (10) and the second side plate (20) between the first end plate (31) and the second end plate (51) is installed with pressure roller mounting seat (150).

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