An adjustable fork truck

Abstract

The utility model discloses an adjustable fork truck, including bottom beam, be provided with gantry on bottom beam, be provided with hoisting spare through hoisting spare on gantry, and hoisting spare is used for picking up goods, adjusting unit, including two groups telescopic arms of slidable setting in bottom beam, and setting on bottom beam for adjusting two telescopic arms mutual far away or close to adjusting assembly, two load arms are fixedly connected with corresponding telescopic arm one end respectively, wherein, every load arm both ends are provided with rolling wheel, through two groups telescopic arms of slidable in bottom beam. Control its mutual far away or close through adjusting assembly, can according to the size and weight distribution of goods, the support range of fork truck chassis is adjusted flexibly. When carrying large, heavy or irregular shape goods, increase the load arm spacing, can increase the support area of chassis, reduce the gravity center of fork truck, thereby the stability of fork truck in the carrying process is improved significantly, reduces the risk of inclination and rollover, guarantees the safety of goods transportation.

Description

Technical Field

[0001] This utility model relates to the field of forklift technology, specifically to an adjustable forklift. Background Technology

[0002] Forklifts are commonly used equipment in logistics handling, and their stability has a crucial impact on the safety and efficiency of cargo handling.

[0003] However, most existing forklift chassis are fixed structures and cannot be adjusted according to actual working conditions and the weight and size of the goods. When forklifts are handling large, unevenly weighted goods, the fixed chassis cannot provide sufficient support and balance, which can easily cause the forklift to tilt or even tip over. This can not only damage the goods but also endanger the lives of the operators. Utility Model Content

[0004] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide an adjustable forklift to solve the problem that most existing forklift chassis are fixed structures and cannot be adjusted according to actual working conditions.

[0005] According to an embodiment of the present invention, an adjustable forklift includes a base beam, a gantry frame mounted on the base beam, and a lifting component mounted on the gantry frame via a lifting device for picking up goods; an adjustment unit includes two sets of telescopic arms slidably mounted within the base beam, and an adjustment assembly mounted on the base beam for adjusting the two telescopic arms to move away from or closer to each other, with each load-bearing arm fixedly connected to one end of a corresponding telescopic arm; wherein, each load-bearing arm has rollers at both ends.

[0006] Compared to existing technologies, this invention offers the following advantages: It utilizes two sets of telescopic arms that slide within the base beam. By adjusting these arms to move them closer together or further apart, the support range of the forklift chassis can be flexibly adjusted according to the size and weight distribution of the goods. When handling large, heavy, or irregularly shaped goods, increasing the distance between the load-bearing arms increases the chassis's support area, lowers the forklift's center of gravity, and thus significantly improves the forklift's stability during handling, reducing the risk of tilting and tipping over, and ensuring the safety of goods transportation.

[0007] Preferably, the lifting component includes a lifting frame slidably mounted on the gantry and a hydraulic cylinder vertically mounted on the bottom beam. The lifting frame is equipped with a lifting arm, the output end of the hydraulic cylinder is connected to the top of the lifting arm, and two adjustable insert arms are mounted on the lifting frame.

[0008] Preferably, a T-slot is provided on the bottom beam, one end of each of the two telescopic arms is located in the T-slot, and a connecting seat is provided at the end of each telescopic arm located in the T-slot.

[0009] Preferably, a bidirectional lead screw is rotatably mounted in a T-slot and threadedly connected to a corresponding connecting seat, with a first gear at one end of the bidirectional lead screw; a mounting bracket is mounted on a bottom beam, on which a worm gear and a worm are rotatably mounted, wherein the worm gear meshes with the worm gear, and a second gear is coaxially mounted on the worm gear, which meshes with the first gear.

[0010] Preferably, a base is provided on the bottom beam, and the bottom of the hydraulic cylinder is mounted on the base.

[0011] Preferably, each rolling wheel includes a swivel wheel and a roller, wherein the swivel wheel is located at the end of the load-bearing arm near the bottom beam, and the corresponding roller is located at the end away from the bottom beam.

[0012] Preferably, the lifting frame is provided with an adjusting shaft, and the two insert arms pass through the adjusting shaft.

[0013] Preferably, both arms are equipped with adjusting hooks, and both adjusting hooks are hung on the lifting frame.

[0014] Preferably, the gantry frame is equipped with a handle, and the handle is equipped with a rubber pad.

[0015] Preferably, the mounting bracket is covered with a protective cover. Attached Figure Description

[0016] Figure 1 This is a three-dimensional structural diagram of an embodiment of the present utility model.

[0017] Figure 2 This is an exploded structural diagram of an embodiment of the present invention.

[0018] Figure 3 This is a schematic diagram of the structure of the adjustment unit in an embodiment of the present invention.

[0019] Figure 4 This is a cross-sectional view of the bottom beam in an embodiment of this utility model.

[0020] The reference numerals in the accompanying drawings of the instruction manual include: 10, base beam; 11, gantry frame; 111, handle; 112, rubber pad; 12, hydraulic cylinder; 13, base; 14, T-slot; 20, lifting frame; 21, lifting arm; 211, adjusting hook; 22, adjusting shaft; 23, insert arm; 30, load-bearing arm; 31, caster wheel; 32, roller; 40, worm gear; 41, turbine; 411, second gear; 42, double-acting lead screw; 421, first gear; 43, mounting bracket; 431, protective cover; 50, telescopic arm; 51, connecting seat. Detailed Implementation

[0021] The technical solution of this utility model will be further described below with reference to the accompanying drawings and embodiments.

[0022] like Figures 1 to 4 As shown, this utility model embodiment proposes an adjustable forklift, which includes a base beam 10, a gantry frame 11 mounted on the base beam 10, a lifting member mounted on the gantry frame 11 via a lifting component, the lifting member being used to pick up goods; an adjustment unit including two sets of telescopic arms 50 slidably mounted within the base beam 10, and an adjustment component mounted on the base beam 10 for adjusting the two telescopic arms 50 to move away from or closer to each other, two load-bearing arms 30 being fixedly connected to one end of the corresponding telescopic arm 50; wherein, each load-bearing arm 30 is provided with rollers at both ends.

[0023] The detailed working process of this embodiment is as follows: Two sets of telescopic arms 50 that can slide within the base beam are used. By adjusting the components to control their movement away from or towards each other, the support range of the forklift's load-bearing arms 30 can be flexibly adjusted according to the size and weight distribution of the goods. When handling large, heavy, or irregularly shaped goods, increasing the distance between the telescopic arms 50 indirectly adjusts the distance between the two load-bearing arms 30, which increases the support area of ​​the chassis, lowers the forklift's center of gravity, and thus significantly improves the stability of the forklift during handling, reduces the risk of tilting and tipping over, and ensures the safety of goods transportation.

[0024] like Figure 4 As shown, the lifting components include a lifting frame 20 slidably mounted on the gantry frame 11 and a hydraulic cylinder 12 vertically mounted on the bottom beam 10. The lifting frame 20 is equipped with a lifting arm 21, and the output end of the hydraulic cylinder 12 is connected to the top of the lifting arm 21. Two insert arms 23 are adjustablely mounted on the lifting frame 20.

[0025] The detailed working process of this embodiment is as follows: The lifting frame 20 is slidably mounted on the gantry frame 11, and the lifting arm 21 is connected to the hydraulic cylinder 12 vertically mounted on the bottom beam 10, forming a complete lifting drive system. When the hydraulic cylinder 12 works, the extension and retraction of its output end drives the top of the lifting arm 21 to move, thereby realizing the up and down sliding of the lifting frame 20 on the gantry frame 11, completing the lifting and lowering of the goods. The two adjustable insert arms 23 on the lifting frame 20 can flexibly adjust the spacing and angle according to the size, shape, and insertion hole position of different goods, accurately adapting to the picking needs of the goods, greatly improving the forklift's adaptability to diverse goods.

[0026] like Figure 3 and Figure 4 As shown, a T-slot 14 is provided on the bottom beam 10, and one end of each of the two telescopic arms 50 is located in the T-slot 14. Each telescopic arm 50 is provided with a connecting seat 51 at the end located in the T-slot 14.

[0027] The detailed working process of this embodiment is as follows: The T-slot 14 opened on the bottom beam 10 has a special cross-sectional shape that provides a sliding track for the telescopic boom 50. The design of the T-slot 14 not only ensures the smooth sliding of the telescopic boom 50 in the slot, but also effectively restricts the vertical displacement of the telescopic boom 50, preventing it from detaching from the bottom beam, and providing a reliable structural basis for the adjustment of the forklift chassis.

[0028] like Figure 3 and Figure 4 As shown, a bidirectional lead screw 42 is rotatably mounted in a T-slot 14 and threadedly connected to a corresponding connecting seat 51. A first gear 421 is provided at one end of the bidirectional lead screw 42. A mounting bracket 43 is mounted on a bottom beam 10, on which a worm gear 41 and a worm 40 are rotatably mounted. The worm 40 meshes with the worm gear 41, and a second gear 411 is coaxially mounted on the worm gear 41. The second gear 411 meshes with the first gear 421.

[0029] The detailed working process of this embodiment is as follows: The bidirectional lead screw 42 is rotatably mounted in the T-slot 14, and its surface has two sections of threads with opposite directions, which are threadedly connected to the connecting seats 51 of the telescopic arms 50 on both sides. When the bidirectional lead screw 42 rotates, the connecting seats 51 on both sides will move synchronously in opposite directions, thereby realizing the synchronous approach or distance of the two telescopic arms 50, ensuring the symmetry and stability of the chassis adjustment.

[0030] The turbine 41 on the mounting bracket 43 meshes with the worm gear 40, forming a reduction transmission structure with a self-locking function. The second gear 411, coaxially arranged with the turbine 41, meshes with the first gear 421 at one end of the double-acting lead screw 42, transmitting the rotational motion of the turbine 41 to the double-acting lead screw 42. During adjustment, by rotating the worm gear 40, the double-acting lead screw 42 is driven to rotate via the turbine 41 and gear transmission, thereby driving the telescopic arm 50 to adjust.

[0031] The worm gear drive has a reverse self-locking characteristic, meaning that the worm can drive the worm, but the worm cannot drive the worm in the reverse direction. This allows the telescopic boom 50 to be reliably locked in its current position after adjustment, preventing displacement of the telescopic boom 50 due to external forces (such as cargo shaking or road bumps), thus ensuring forklift operation safety.

[0032] like Figure 2 As shown, a base 13 is provided on the bottom beam 10, and the bottom of the hydraulic cylinder 12 is provided on the base 13.

[0033] The detailed working process of this embodiment is as follows: The base 13 set on the bottom beam 10 provides a stable support foundation for the hydraulic cylinder 12.

[0034] like Figure 1As shown, each rolling wheel includes a caster wheel 31 and a roller 32. The caster wheel 31 is located at the end of the load-bearing arm 30 near the bottom beam 10, while the corresponding roller 32 is located at the end away from the bottom beam 10.

[0035] The detailed working process of this embodiment is as follows: By arranging omnidirectional wheels 31 and rollers 32 at both ends of the load-bearing arm 30, the different motion characteristics of the two are utilized to achieve complementarity. The omnidirectional wheels 31 are installed at the end of the load-bearing arm 30 near the bottom beam 10, and have the characteristic of 360-degree free rotation, which can realize flexible steering; the rollers 32 are located at the end away from the bottom beam 10, mainly providing a straight rolling function to reduce movement resistance.

[0036] like Figure 2 As shown, the lifting frame 20 is equipped with an adjusting shaft 22, and two insert arms 23 are inserted through the adjusting shaft 22.

[0037] The detailed working process of this embodiment is as follows: Under the setting of the adjusting shaft 22, the insert arm 23 will move along the axial direction, thereby realizing the adjustment of the distance between the two insert arms 23.

[0038] like Figure 2 As shown, both insert arms 23 are equipped with adjusting hooks 211, and both adjusting hooks 211 are hung on the lifting frame 20.

[0039] The detailed working process of this embodiment is as follows: With the adjustment hook 211 set, the weight of the goods can be more evenly distributed on the insert arm 23 and the lifting frame 20, optimizing the stress state of the entire lifting structure and ensuring the safety of the handling process.

[0040] like Figure 2 As shown, a handle 111 is provided on the gantry frame 11, and a rubber pad 112 is provided on the handle 111.

[0041] The detailed working process of this embodiment is as follows: With the setting of the rubber pad 112, hand pressure can be effectively relieved, providing operators with a more comfortable operating experience.

[0042] like Figure 3 As shown, a protective cover 431 is provided on the mounting bracket 43.

[0043] The detailed working process of this embodiment is as follows: with the protective cover 431 in place, each meshing gear is protected.

[0044] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of this utility model without departing from the spirit and scope of the technical solutions of this utility model, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.

Claims

1. An adjustable forklift, characterized in that, include: A bottom beam (10) is provided with a gantry frame (11), and a lifting component is provided on the gantry frame (11) via a lifting component. The lifting component is used to pick up goods. The adjustment unit includes two sets of telescopic arms (50) that can be slidably disposed in the bottom beam (10), and an adjustment component disposed on the bottom beam (10) for adjusting the two telescopic arms (50) to move away from or closer to each other. The two load-bearing arms (30) are respectively fixedly connected to one end of the corresponding telescopic arm (50); wherein, each load-bearing arm (30) is provided with a roller at both ends.

2. The adjustable forklift according to claim 1, characterized in that: The lifting components include a lifting frame (20) slidably mounted on the gantry frame (11) and a hydraulic cylinder (12) vertically mounted on the bottom beam (10). The lifting frame (20) is provided with a lifting arm (21), and the output end of the hydraulic cylinder (12) is connected to the top end of the lifting arm (21). The lifting frame (20) is adjustablely provided with two insert arms (23).

3. The adjustable forklift according to claim 1, characterized in that: The bottom beam (10) is provided with a T-slot (14), one end of each of the two telescopic arms (50) is located in the T-slot (14), and each telescopic arm (50) is provided with a connecting seat (51) at the end located in the T-slot (14).

4. The adjustable forklift according to claim 3, characterized in that, The adjustment component includes: A bidirectional lead screw (42) is rotatably disposed in the T-slot (14) and threadedly connected to the corresponding connecting seat (51). One end of the bidirectional lead screw (42) is provided with a first gear (421). Mounting bracket (43) is mounted on the bottom beam (10), on which a turbine (41) and a worm (40) are rotatably mounted. The worm (40) meshes with the turbine (41), and a second gear (411) is coaxially mounted on the turbine (41). The second gear (411) meshes with the first gear (421).

5. The adjustable forklift according to claim 2, characterized in that: A base (13) is provided on the bottom beam (10), and the bottom of the hydraulic cylinder (12) is provided on the base (13).

6. The adjustable forklift according to claim 1, characterized in that: Each of the rollers includes a caster wheel (31) and a roller (32), wherein the caster wheel (31) is located at one end of the load-bearing arm (30) near the bottom beam (10), and the corresponding roller (32) is located at the other end away from the bottom beam (10).

7. The adjustable forklift according to claim 2, characterized in that: An adjusting shaft (22) is provided on the lifting frame (20), and the two insert arms (23) are inserted through the adjusting shaft (22).

8. The adjustable forklift according to claim 7, characterized in that: Both of the aforementioned insert arms (23) are provided with adjustment hooks (211), and both of the aforementioned adjustment hooks (211) are hung on the lifting frame (20).

9. The adjustable forklift according to claim 1, characterized in that: A handle (111) is provided on the gantry frame (11), and a rubber pad (112) is provided on the handle (111).

10. The adjustable forklift according to claim 4, characterized in that: The mounting bracket (43) is covered with a protective cover (431).

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