Forklift with multi-section telescopic fork arm

Abstract

The utility model relates to the technical field of forklifts, in particular to a forklift with a multi-section telescopic fork arm, which comprises a forklift, a containing groove is arranged at the rear end of the forklift, a fixing groove is arranged inside the containing groove, a supporting arm is arranged inside the fixing groove, a first fork arm is arranged on one side of the supporting arm, and a second fork arm is arranged on the other side of the supporting arm. A second fork arm is arranged on the other side, away from the forklift, of the first fork arm, adjusting grooves are formed in the left sides and the right sides of the interiors of the first fork arm and the second fork arm correspondingly, telescopic adjusting parts located in the adjusting grooves are arranged between the interiors of the first fork arm and the second fork arm, and a plurality of evenly-arranged inserting grooves are formed in the left sides and the right sides of the interiors of the telescopic adjusting parts correspondingly. Movable grooves are formed in the left sides and the right sides of the interiors of the first fork arm and the second fork arm, pull rods are connected into the movable grooves in a penetrating mode, and springs in the movable grooves sleeve the pull rods; according to the utility model, through the multi-section telescopic adjustable fork arm, the flexibility is higher, the stability is higher, and the subsequent working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of forklifts, in particular to a forklift with a multi-section telescopic fork arm. Background Art

[0002] There are counterbalanced forklifts and telescopic boom forklifts. Counterbalanced forklifts use two-stage or multi-stage mast for vertical lifting and loading / unloading operations, while telescopic boom forklifts use multi-stage telescopic boom to perform amplitude-changing lifting and loading / unloading operations around a fixed hinge point. These two types of forklifts have different performance and characteristics. Counterbalanced forklifts have the performance of large load, high-precision vertical lifting and loading / unloading operations and simple operation performance;

[0003] For example, the patent number 202110742884.8 discloses a vertically liftable telescopic boom forklift, the structure of which includes a vehicle frame assembly, the vehicle frame assembly has a track portion arranged along its length direction, a telescopic boom, one end of the telescopic boom is provided with a fork, and the other end is slidably connected to the track portion; a luffing sliding sleeve is sleeved on the telescopic boom, and a sliding sleeve positioning oil cylinder, the sliding sleeve positioning oil cylinder is arranged on the telescopic boom, the sliding sleeve positioning oil cylinder is hinged to the luffing sliding sleeve, and the sliding sleeve positioning oil cylinder can drive the luffing sliding sleeve to move so that the luffing sliding sleeve is kept at the middle position of the telescopic boom. The utility model has the efficient stacking, loading and unloading handling function of vertical lifting, and also has the telescopic fork loading function for working in low spaces. At the same time, it can also be used as the working function of a telescopic boom forklift, greatly reducing the user's investment in multiple devices, improving the equipment utilization rate, and increasing the user's income.

[0004] Therefore, aiming at the problem that the above-mentioned forklifts are all provided with a fork arm for telescopic adjustment, but it has certain limitations, is not telescoped through multiple sections, and has low stability, a forklift with a multi-section telescopic fork arm can be designed, which can be automatically adjusted, has high flexibility and high stability. Content of the Utility Model

[0005] In order to overcome the problem that the forklifts are all provided with a fork arm for telescopic adjustment, but it has certain limitations, is not telescoped through multiple sections, and has low stability.

[0006] The technical solution of the present utility model is as follows: A forklift with a multi-section telescopic fork arm, including a forklift, a storage groove is provided at the rear end of the forklift, a fixing groove is opened inside the storage groove, a support arm is arranged inside the fixing groove, a first fork arm is arranged on one side of the support arm, a second fork arm is arranged on the other side of the first fork arm away from the forklift, adjusting grooves are arranged on the left and right sides inside the first fork arm and the second fork arm, a telescopic adjusting part located inside the adjusting groove is arranged between the first fork arm and the second fork arm, a plurality of uniformly arranged slots are opened on the left and right sides inside the telescopic adjusting part, moving grooves are arranged on the left and right sides inside the first fork arm and the second fork arm, a pull rod is connected through the inside of the moving groove, a spring inside the displacement moving groove is sleeved on the outside of the pull rod, and a plug block inserted into the slot is fixedly arranged on one side of the pull rod.

[0007] Preferably, a first balance plate is arranged on the upper end surface of the first fork arm, a second balance plate is arranged on the upper end surface of the second fork arm, and the first balance plate and the second balance plate are respectively of a welded integrated structure with the first fork arm and the second fork arm.

[0008] As a preference, triangular support blocks are arranged at the front and rear ends between the support arm and the first fork arm, and the triangular support blocks are of a welded integrated structure with the support arm and the first fork arm.

[0009] As a preference, operation buttons are arranged on the front surface of the forklift, and a data display screen is arranged on the front surface of the forklift between the operation buttons.

[0010] As a preference, arc grooves are opened at the four end feet below the forklift, Mecanum wheels are arranged inside the four arc grooves, and a long shaft is connected between the two Mecanum wheels.

[0011] As a preference, a reinforcing plate located inside the fixing groove is arranged on the side of the support arm away from the forklift, and reinforcing grooves are arranged inside the reinforcing plate.

[0012] As a preference, an auxiliary block is fixedly arranged on the other side of the pull rod away from the plug block, and an anti-slip pad is arranged on the surface of the auxiliary block.

[0013] The beneficial effects of the present utility model:

[0014] By pulling the first fork arm or the second fork arm, the telescopic adjustment part inside it slides in the adjustment slots opened on both sides inside the first fork arm or the second fork arm, and the length is adjusted according to requirements. After the adjustment is completed, the pull rod is pulled, so that the spring sleeved outside it is compressed. When the first fork arm or the second fork arm after the adjustment is completed, release the pulled pull rod so that it is ejected by the spring anti-loosening, and insert the insertion block on one side of it into the insertion slots opened inside both sides of the telescopic adjustment part for fixation. The multi-section fork arm can be adjusted in length at will, and at the same time, the stability is enhanced through the fixing structure. The whole is relatively flexible, and the fork arm part adopts multiple levels to reach the extended length longer synchronously. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 Fig. shows a three-dimensional structural schematic diagram of the forklift of the present utility model;

[0016] Figure 2 Fig. shows a rear view of the three-dimensional structure of the forklift of the present utility model;

[0017] Figure 3 Fig. shows a bottom view of the three-dimensional structure of the forklift of the present utility model;

[0018] Figure 4 Fig. shows the Figure 3 partial enlarged three-dimensional structural schematic diagram at A;

[0019] Figure 5 Fig. shows a cross-sectional structural schematic diagram of the fork arm fixing mechanism of the present utility model;

[0020] Figure 6 Fig. shows the Figure 5 partial enlarged cross-sectional structural schematic diagram at B.

[0021] DESCRIPTION OF THE REFERENCE NUMERALS: 1, forklift; 2, storage groove; 3, support arm; 4, first balance plate; 5, first fork arm; 6, telescopic adjustment part; 7, second fork arm; 8, second balance plate; 9, fixing groove; 10, adjustment slot; 11, pull rod; 12, auxiliary block; 13, movable slot; 14, spring; 15, insertion block; 16, insertion slot. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0022] The present utility model will be further described below with reference to the drawings and embodiments.

[0023] Please refer to ( Figures 1 - 6), the present utility model provides an embodiment: a forklift with a multi - section telescopic fork arm, including a forklift 1. A storage groove 2 is provided at the rear end of the forklift 1. A fixing groove 9 is opened inside the storage groove 2. A support arm 3 is arranged inside the fixing groove 9. A first fork arm 5 is arranged on one side of the support arm 3. A second fork arm 7 is arranged on the other side of the first fork arm 5 away from the forklift 1. Adjusting grooves 10 are arranged on the left and right sides inside the first fork arm 5 and the second fork arm 7. A telescopic adjustment part 6 located inside the adjusting groove 10 is arranged between the first fork arm 5 and the second fork arm 7. A plurality of uniformly arranged slots 16 are opened on the left and right sides inside the telescopic adjustment part 6. Moving grooves 13 are arranged on the left and right sides inside the first fork arm 5 and the second fork arm 7. A pull rod 11 is connected through the inside of the moving groove 13. A spring 14 inside the moving groove 13 is sleeved on the outside of the pull rod 11. A plug 15 inserted into the slot 16 is fixedly arranged on one side of the pull rod 11.

[0024] Please refer to ( Figures 1 - 3 ). In this embodiment, a first balance plate 4 is arranged on the upper end surface of the first fork arm 5, and a second balance plate 8 is arranged on the upper end surface of the second fork arm 7. The first balance plate 4 and the second balance plate 8 are respectively integrally welded to the first fork arm 5 and the second fork arm 7. Triangular support blocks are arranged at the front and rear ends between the support arm 3 and the first fork arm 5. The triangular support blocks are integrally welded to the support arm 3 and the first fork arm 5. A control button is arranged on the surface of the front end face of the forklift 1, and a data display screen is arranged on the surface of the front end face of the forklift 1 between the control buttons. By pulling the first fork arm 5 or the second fork arm 7, the telescopic adjustment part 6 inside it slides in the adjusting grooves 10 opened on both sides inside the first fork arm 5 or the second fork arm 7, and the length is adjusted according to the need. After the adjustment is completed, the pull rod 11 is pulled, so that the spring 14 sleeved on its outside is compressed. When the adjustment of the first fork arm 5 or the second fork arm 7 is completed.

[0025] Please refer to ( Figures 4 - 6 ). In this embodiment, arc grooves are opened at the four end feet below the forklift 1, and Mecanum wheels are arranged inside the four arc grooves. A long shaft is connected between two Mecanum wheels. A reinforcing plate located inside the fixing groove 9 is arranged on the side of the support arm 3 away from the forklift 1. Reinforcing grooves are arranged inside the reinforcing plate. An auxiliary block 12 is fixedly arranged on the other side of the pull rod 11 away from the plug 15. An anti - slip pad is arranged on the surface of the auxiliary block 12. Release the pulled pull rod 11 so that it is ejected by the spring 14, and insert the plug 15 on one side of it into the slots 16 opened on both sides inside the telescopic adjustment part 6 for fixation. The length of the multi - section fork arm can be adjusted arbitrarily, and at the same time, the stability is enhanced through the fixing structure. The whole is relatively flexible, and the fork arm part adopts multiple levels to reach the same extended length, which is longer.

[0026] When working, the first fork arm 5 or the second fork arm 7 is pulled, so that the telescopic adjustment part 6 inside it slides in the adjustment grooves 10 opened on both sides inside the first fork arm 5 or the second fork arm 7, and the length is adjusted according to requirements. After the adjustment is completed, the pull rod 11 is pulled, so that the spring 14 sleeved outside it is compressed. When the first fork arm 5 or the second fork arm 7 after the adjustment is completed, the pulled pull rod 11 is released and it is ejected by the spring 14. Then, the insertion block 15 on one side of it is inserted into the slot 16 opened inside both sides of the telescopic adjustment part 6 for fixation. The multi-section fork arm can be used to adjust the length arbitrarily. At the same time, the stability is enhanced through the fixing structure, and the whole is relatively flexible. The fork arm part adopts multi-stage synchronization to reach a longer extended length.

[0027] Through the above steps, the multi-section fork arm can be used to adjust the length arbitrarily. At the same time, the stability is enhanced through the fixing structure, and the whole is relatively flexible. The fork arm part adopts multi-stage synchronization to reach a longer extended length to solve the problem that forklifts are all provided with a fork arm for telescopic adjustment, but it has certain limitations, and it does not perform telescopic adjustment through multiple sections, resulting in low stability.

Claims

1. A forklift with a multi - section telescopic fork arm, comprising a forklift (1), characterized in that: A receiving groove (2) is provided at the rear end of the forklift (1). A fixing groove (9) is formed inside the receiving groove (2). A support arm (3) is arranged inside the fixing groove (9). A first fork arm (5) is arranged on one side of the support arm (3). A second fork arm (7) is arranged on the other side of the first fork arm (5) away from the forklift (1). Adjusting grooves (10) are arranged on the left and right sides inside the first fork arm (5) and the second fork arm (7). A telescopic adjusting part (6) located inside the adjusting groove (10) is arranged between the first fork arm (5) and the second fork arm (7). A plurality of uniformly arranged slots (16) are formed on the left and right sides inside the telescopic adjusting part (6). Moving grooves (13) are arranged on the left and right sides inside the first fork arm (5) and the second fork arm (7). A pull rod (11) is connected through the inside of the moving groove (13). A spring (14) inside the moving groove (13) is sleeved on the outer part of the pull rod (11). A plug block (15) inserted into the slot (16) is fixedly arranged on one side of the pull rod (11).

2. The forklift with a multi - section telescopic fork arm according to claim 1, wherein: A first balance plate (4) is arranged on the upper end surface of the first fork arm (5). A second balance plate (8) is arranged on the upper end surface of the second fork arm (7). The first balance plate (4) and the second balance plate (8) are respectively of a welded integrated structure with the first fork arm (5) and the second fork arm (7).

3. A forklift truck with a multi-section telescopic fork arm according to claim 1, characterized in that: Triangular support blocks are arranged at the front and rear ends between the support arm (3) and the first fork arm (5). The triangular support blocks are of a welded integrated structure with both the support arm (3) and the first fork arm (5).

4. A forklift with a multi - section telescopic fork arm according to claim 1, characterized in that: Operation buttons are arranged on the front end surface of the forklift (1). A data display screen located on the front end surface of the forklift (1) is arranged between the operation buttons.

5. A forklift with a multi - section telescopic fork arm according to claim 1, characterized in that: Arc grooves are formed at the four end feet below the forklift (1). Mecanum wheels are arranged inside the four arc grooves. A long shaft is connected between two Mecanum wheels.

6. A forklift with a multi-section telescopic fork arm according to claim 1, characterized in that: Reinforcing plates located inside the fixing groove (9) are arranged on the side of the support arm (3) away from the forklift (1). Reinforcing grooves are arranged inside the reinforcing plates.

7. A forklift truck with a multi-section telescopic fork arm according to claim 1, characterized in that: An auxiliary block (12) is fixedly arranged on the other side of the pull rod (11) away from the plug block (15). An anti-slip pad is arranged on the surface of the auxiliary block (12).

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