Hydraulic device for dynamically adjusting forklift

Abstract

The utility model discloses a hydraulic device for dynamically adjusting a forklift, which comprises a forklift body, a counterweight mounting groove is arranged at the rear end of the forklift body, and a counterweight adjusting structure is arranged in the counterweight mounting groove. The counterweight adjusting structure comprises three fixed counterweight blocks, a fixed screw rod, two bottom sliding grooves, four side wall sliding grooves, four movable counterweight blocks, three guide rods, a connecting assembly and a driving assembly; the utility model relates to the technical field of forklifts, and adopts a counterweight adjusting structure which can adjust the positions of four movable balancing weights through a driving assembly according to the load condition and the road condition change in the cargo carrying process of a forklift body, so as to increase the distance between the movable balancing weights and the front wheels of the forklift body; according to the forklift, the movable balancing weights are arranged to ensure that the forklift can stably run during operation, and different numbers of the movable balancing weights can be selected according to different use occasions and load conditions through the arranged connecting assemblies, so that the working efficiency and safety of the forklift are effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of forklifts, in particular to a hydraulic device for dynamic adjustment of forklifts. Background Art

[0002] Forklift dynamic adjustment usually refers to the real-time adjustment of the forklift's working state, load, speed, steering and other parameters according to different operating requirements and working environment during the forklift operation. Such dynamic adjustment can effectively improve the working efficiency and safety of the forklift;

[0003] During operation, the counterweight structure at the rear end of current forklifts is mostly fixedly installed, and the counterweight structure cannot be adjusted according to different loading requirements during travel. When the weight of the loaded cargo is higher than the overall weight of the counterweight, it is impossible to ensure that the forklift can travel smoothly during operation. In view of this, there may be technical means to solve the above problem in the existing technology, but this case intends to provide an alternative or replacement technical solution. Utility Model Content

[0004] To achieve the above objectives, the present invention is implemented through the following technical solutions: A hydraulic device for dynamic adjustment of a forklift, comprising a forklift body, a counterweight installation slot being provided at the rear end of the forklift body, and a counterweight adjustment structure being provided inside the counterweight installation slot;

[0005] The counterweight adjustment structure includes: three fixed counterweight blocks, a fixed screw, two bottom chutes, four side wall chutes, four movable counterweight blocks, three guide rods, a connecting assembly and a driving assembly;

[0006] The three fixed counterweight blocks are stacked and placed at the center of the lower end of the counterweight mounting slot, the fixed screw is movably embedded in the three fixed counterweight blocks, and the bottom end is embedded in the lower wall surface of the counterweight mounting slot, the two bottom slides are respectively installed at the centers of both sides of the counterweight mounting slot, the four side wall slides are respectively installed at the upper ends of the two side walls of the counterweight mounting slot, and the two ends of the four movable counterweight blocks are movably embedded in the two bottom slides and the four side wall slides, one end of the three guide rods is fixedly embedded in one of the movable counterweight blocks, and the other end is movably embedded in the other three movable counterweight blocks, one end of the connecting assembly is fixedly connected to the upper end of one of the movable counterweight blocks, and the other end is located at the top of the other three movable counterweight blocks, and the driving assembly is fixedly installed at the center of the counterweight mounting slot and connected to the side wall of one of the movable counterweight blocks.

[0007] Preferably, the connecting assembly includes: a fixing block, a connecting plate, three connecting holes and six connecting pieces;

[0008] The fixed block is fixedly installed on the upper end of one of the movable counterweight blocks, the connecting plate is fixedly installed on one side of the fixed block and is located on the upper ends of the other three movable counterweight blocks, the three connecting holes are all opened on the upper end of the connecting plate, and the six connecting plates are respectively installed on the upper ends of the other three movable counterweight blocks.

[0009] Preferably, the driving assembly comprises: a fixing plate, two hydraulic cylinders, four connecting frames and two mounting plates;

[0010] The fixed plate is fixedly installed at the center of the counterweight mounting groove, the two hydraulic cylinders are respectively installed on both sides of the upper end of the fixed plate, the four connecting frames are all installed on the side wall of one of the movable counterweight blocks, and one end of the two mounting plates is respectively connected to the telescopic ends of the two hydraulic cylinders, and are respectively movably embedded in the four connecting frames.

[0011] Preferably, the mounting plate is in an "L" shape.

[0012] Preferably, fixing holes are provided at the upper ends of the six connecting pieces.

[0013] Beneficial effects

[0014] The present utility model provides a hydraulic device for dynamic adjustment of a forklift, which has the following beneficial effects: the counterweight adjustment structure adopted in this case can adjust the positions of the four mobile counterweight blocks through the driving component according to the load conditions and changes in road conditions during the process of the forklift body carrying goods, thereby increasing the distance between the mobile counterweight blocks and the front wheels of the forklift body to ensure that the forklift can travel smoothly during operation, and through the provided connecting components, different numbers of mobile counterweight blocks can be selected according to different usage scenarios and load conditions, thereby effectively improving the working efficiency and safety of the forklift. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the main three-dimensional structure of a hydraulic device for dynamic adjustment of a forklift described in the utility model.

[0016] Figure 2 The present invention is a partial cross-sectional structural diagram of a hydraulic device for dynamic adjustment of a forklift.

[0017] In the figure: 1. Forklift body, 2. Counterweight mounting groove, 3. Fixed counterweight block, 4. Fixed screw, 5. Bottom slide, 6. Side wall slide, 7. Mobile counterweight block, 8. Guide rod, 9. Fixed block, 10. Connecting plate, 11. Connecting hole, 12. Connecting piece, 13. Fixed plate, 14. Hydraulic cylinder, 15. Connecting frame, 16. Mounting plate, 17. Fixing hole. DETAILED DESCRIPTION

[0018] Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative work shall fall within the scope of protection of the present invention.

[0019] Example: See Figure 1-2 A hydraulic device for dynamic adjustment of a forklift includes a forklift body 1, a counterweight mounting groove 2 is provided at the rear end of the forklift body 1, and a counterweight adjustment structure is provided inside the counterweight mounting groove 2;

[0020] The counterweight adjustment structure includes: three fixed counterweight blocks 3, a fixed screw 4, two bottom chutes 5, four side wall chutes 6, four movable counterweight blocks 7, three guide rods 8, a connecting assembly and a driving assembly;

[0021] The three fixed counterweight blocks 3 are stacked and placed at the center of the lower end of the counterweight mounting groove 2. The fixed screw 4 is movably embedded in the three fixed counterweight blocks 3, and the bottom end is embedded in the lower wall surface of the counterweight mounting groove 2. The two bottom slide grooves 5 are respectively installed at the centers of the two sides of the counterweight mounting groove 2. The four side wall slide grooves 6 are respectively installed at the upper ends of the two side walls of the counterweight mounting groove 2. The two ends of the four movable counterweight blocks 7 are respectively movably embedded in the two bottom slide grooves 5 and the four side wall slide grooves 6. One end of the three guide rods 8 is fixedly embedded in one of the movable counterweight blocks 7, and the other end is movably embedded in the other three movable counterweight blocks 7. One end of the connecting assembly is fixedly connected to the upper end of one of the movable counterweight blocks 7, and the other end is located at the top of the other three movable counterweight blocks 7. The driving assembly is fixedly installed at the center of the counterweight mounting groove 2 and connected to the side wall of one of the movable counterweight blocks 7.

[0022] During assembly, first fix the three fixed counterweights 3 in the counterweight mounting grooves 2 through the fixing screws 4, then embed the four movable counterweights 7 in the two bottom slide grooves 5 and the four side wall slide grooves 6 in turn, and movably connect the four movable counterweights 7 through the three guide rods 8. Then, according to different load weights and road conditions, a specified number of movable counterweights 7 are connected through the connecting assembly. During the travel process, the specified number of movable counterweights 7 are driven to move by the driving assembly, and the distance between the movable counterweight 7 and the front wheel of the forklift body 1 is changed, and the length of the lever arm at one end of the counterweight is adjusted to ensure that the forklift can travel smoothly during operation.

[0023] In the specific implementation process, the connection assembly includes: a fixing block 9, a connection plate 10, three connection holes 11 and six connection pieces 12;

[0024] The fixed block 9 is fixedly installed on the upper end of one of the movable counterweight blocks 7, the connecting plate 10 is fixedly installed on one side of the fixed block 9, and is located on the upper ends of the other three movable counterweight blocks 7, the three connecting holes 11 are all opened on the upper end of the connecting plate 10, and the six connecting plates 12 are respectively installed on the upper ends of the other three movable counterweight blocks 7.

[0025] During the movement of the forklift, according to different loading requirements, different numbers of mobile counterweights 7 are connected by inserting the pins into the designated connecting pieces 12 and the connecting holes 11 in the connecting plate 10, and cooperating with the fixing blocks 9 and the connecting plate 10.

[0026] In the specific implementation process, the driving assembly includes: a fixed plate 13, two hydraulic cylinders 14, four connecting frames 15 and two mounting plates 16;

[0027] The fixed plate 13 is fixedly installed at the center of the counterweight mounting groove 2, the two hydraulic cylinders 14 are respectively installed on both sides of the upper end of the fixed plate 13, the four connecting frames 15 are all installed on the wall surface of one side of one of the movable counterweight blocks 7, and one end of the two mounting plates 16 is respectively connected to the telescopic ends of the two hydraulic cylinders 14, and are respectively movably embedded in the four connecting frames 15.

[0028] When the load of the forklift body 1 is dynamically adjusted, the two hydraulic cylinders 14 at the upper end of the fixed plate 13 work synchronously, and cooperate with the four connecting frames 15 through the two mounting plates 16 to drive the outermost movable counterweight 7 to move. Under the action of the three guide rods 8, the movement stability of the outermost movable counterweight 7 can be guaranteed, and under the action of the connecting assembly, the other three movable counterweights 7 can follow the movement of the outer movable counterweight 7.

[0029] In a specific implementation process, the shape of the mounting plate 16 is "L"-shaped.

[0030] In a specific implementation process, fixing holes 17 are formed at the upper ends of the six connecting pieces 12 .

[0031] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A hydraulic device for dynamic adjustment of a forklift, comprising a forklift body (1), characterized in that: The rear end of the forklift body (1) is provided with a counterweight installation groove (2), and a counterweight adjustment structure is provided inside the counterweight installation groove (2); The counterweight adjustment structure comprises: three fixed counterweight blocks (3), a fixed screw rod (4), two bottom chutes (5), four side wall chutes (6), four movable counterweight blocks (7), three guide rods (8), a connecting assembly and a driving assembly; The three fixed counterweight blocks (3) are stacked and placed at the center of the lower end of the counterweight installation groove (2); the fixed screw rod (4) is movably embedded in the three fixed counterweight blocks (3), and the bottom end is embedded in the lower wall surface of the counterweight installation groove (2); the two bottom slide grooves (5) are respectively installed at the center of the two sides of the counterweight installation groove (2); the four side wall slide grooves (6) are respectively installed at the upper ends of the two side walls of the counterweight installation groove (2); the two ends of the four movable counterweight blocks (7) are respectively movably embedded in the two bottom In the slide groove (5) and the four side wall slide grooves (6), one end of the three guide rods (8) is fixedly embedded in one of the movable counterweight blocks (7), and the other end is movably embedded in the other three movable counterweight blocks (7); one end of the connecting component is fixedly connected to the upper end of one of the movable counterweight blocks (7), and the other end is located at the top of the other three movable counterweight blocks (7); the driving component is fixedly installed at the center of the counterweight installation groove (2) and is connected to the side wall of one of the movable counterweight blocks (7).

2. A hydraulic device for dynamic adjustment of a forklift according to claim 1, characterized in that: The connecting assembly comprises: a fixing block (9), a connecting plate (10), three connecting holes (11) and six connecting pieces (12); The fixed block (9) is fixedly mounted on the upper end of one of the movable counterweight blocks (7), the connecting plate (10) is fixedly mounted on one side of the fixed block (9) and is located on the upper ends of the other three movable counterweight blocks (7), the three connecting holes (11) are all opened on the upper end of the connecting plate (10), and the six connecting plates (12) are respectively mounted on the upper ends of the other three movable counterweight blocks (7).

3. The hydraulic device for dynamic adjustment of a forklift according to claim 1, characterized in that: The driving assembly comprises: a fixed plate (13), two hydraulic cylinders (14), four connecting frames (15) and two mounting plates (16); The fixed plate (13) is fixedly installed at the center of the counterweight installation groove (2), the two hydraulic cylinders (14) are respectively installed on both sides of the upper end of the fixed plate (13), the four connecting frames (15) are all installed on the side wall of one of the movable counterweight blocks (7), and one end of the two mounting plates (16) is respectively connected to the telescopic ends of the two hydraulic cylinders (14) and is movably embedded in the four connecting frames (15).

4. A hydraulic device for dynamic adjustment of a forklift according to claim 3, characterized in that: The shape of the mounting plate (16) is "L"-shaped.

5. The hydraulic device for dynamic adjustment of a forklift according to claim 2, characterized in that: The upper ends of the six connecting pieces (12) are all provided with fixing holes (17).

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