Forklift carriage power control structure
By designing an overlapping oil circuit structure on the forklift carriage, the stability and operation flexibility of the forklift carriage are improved, the problems of field of view occlusion and operation complexity are solved, and the standardization and serialization of forklift production are promoted.
Patent Information
- Application Number
- CN202422255161.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-13
- Publication Date
- 2025-07-11
- Estimated Expiration
- 2034-09-13
AI Technical Summary
When the existing forklift carriage structure is high-lift stacking, it is difficult to achieve stability and operational flexibility. Especially in carriage design with sideways and tilt functions, there are problems of field of view occlusion and operational complexity.
A forklift carriage power control structure is designed, and the oil circuit structure is arranged overlapping with the front frame, including straight pipe joints, steel pipes, butt joints, balance valves, pipeline couplers and three-way directional joints, to achieve flexible control of side shift and tilt functions and ensure maximum vision.
It simplifies production and manufacturing, reduces complexity, improves operating experience and space utilization, adapts to the needs of different tonnage products, and promotes standardized production.
Smart Images
Figure CN223087537U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of forklift oil circuit layout, and particularly to a forklift carriage power control structure. Background Technique
[0002] As an important engineering vehicle, forklifts are widely used in various industries for stacking goods. To make full use of space, the height of stereoscopic warehouses is getting higher and higher, and the demand for high-lift stacking is also increasing continuously. At present, the lifting height of the mast in the domestic market has reached 13m. To meet the stability of high-lift mast high-position stacking, the carriage has been designed with side-shift and tilt functions, that is, when the mast is in a vertical state, the fork can be tilted forward and backward, and shifted left and right to stack goods. Under the same conditions, it has a high load capacity, flexible operation, and small shaking of the whole vehicle, which greatly improves the operation safety of the forklift. For this multi-functional carriage, a forklift carriage power control structure needs to be designed. Content of the Utility Model
[0003] The purpose of the utility model is to provide a forklift carriage power control structure to solve the problems put forward in the above background technique.
[0004] To achieve the above purpose, the utility model provides the following technical solution: a forklift carriage power control structure, including a forklift carriage, the forklift carriage includes a front frame and a rear frame, the front frame and the rear frame are connected by a side-shift oil cylinder, the rear frame includes a rear frame body and an upper cross beam and a lower cross beam arranged on the rear frame body, and an inclination oil cylinder connected to the front frame is arranged on one side of the lower cross beam. An oil circuit structure is arranged on the rear frame, and is configured to be overlapped with the front frame when observed from the direction of the forklift's forward movement.
[0005] As a further scheme of the utility model: the oil circuit structure includes four straight pipe joints connected to the upper cross beam, and the four straight pipe joints are grouped in two. The two groups of straight pipe joints are respectively connected to the side-shift oil circuit and the inclination oil circuit.
[0006] As a further scheme of the utility model: the side-shift oil circuit includes a left steel pipe and a right steel pipe, the left steel pipe and the right steel pipe are respectively connected to the two straight pipe joints in the same group in a one-to-one correspondence, and butt joints are assembled at the ends of the left steel pipe and the right steel pipe away from the straight pipe joints, and the two butt joints are both installed on the side-shift oil cylinder.
[0007] As a further scheme of the utility model: the inclination oil circuit includes an inner connecting pipe and an outer connecting pipe, the inner connecting pipe and the outer connecting pipe are respectively connected to the two straight pipe joints in the other group in a one-to-one correspondence, the ends of the inner connecting pipe and the outer connecting pipe away from the straight pipe joints are both connected to a balance valve, and a pipe coupler and a three-way direction-changing joint are respectively installed on the balance valve.
[0008] As a further solution of the present utility model: The tilt cylinder includes a front chamber and a rear chamber. A rear chamber steel pipe communicating with the rear chamber is installed on the tilt cylinder, and the end of the rear chamber steel pipe away from the tilt cylinder is connected to a pipe coupler. A front chamber steel pipe communicating with the front chamber is also installed on the tilt cylinder, and the end of the front chamber steel pipe away from the tilt cylinder is connected to a three-way steering joint.
[0009] As a further solution of the present utility model: The lower ends of the rear chamber steel pipe and the front chamber steel pipe are arranged overlapping front and rear.
[0010] Compared with the prior art, the beneficial effects of the present utility model are:
[0011] The oil circuit structure of this application is ingeniously designed with a simple structure. It not only reduces the complexity of production and manufacturing but also improves the processability, which is beneficial for cost control and efficiency improvement. Secondly, the overall overlapping layout maximizes the use of space, ensures a wide field of vision, and optimizes the operation experience. This layout method has high flexibility, can easily adapt to the needs of products with different tonnages, demonstrates strong expandability and broad application potential, and is of great significance for promoting the standardized and serialized production of related products. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 It is a schematic diagram of the power control structure of the present utility model;
[0013] Figure 2 It is a schematic diagram of the rear frame of the present utility model;
[0014] Figure 3 It is a top view schematic diagram of the power control structure of the present utility model;
[0015] Figure 4 It is a schematic diagram of the front frame of the present utility model;
[0016] In the figure: 1, straight pipe joint; 2, left steel pipe; 3, right steel pipe; 4, butt joint; 5, inner connecting pipe; 6, outer connecting pipe; 7, balance valve; 8, pipe coupler; 9, three-way steering joint; 10, rear chamber steel pipe; 11, front chamber steel pipe; 12, tilt cylinder. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0017] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts fall within the protection scope of the present utility model.
[0018] Please refer to Figures 1-4, in the embodiment of the present utility model, a power control structure for a forklift carriage includes a forklift carriage, which comprises a front frame and a rear frame. The front frame and the rear frame are connected by a side shift cylinder. The rear frame includes a rear frame body, an upper cross beam and a lower cross beam arranged on the rear frame body. It is characterized in that an inclined cylinder 12 connected to the front frame is arranged on one side of the lower cross beam, and an oil circuit structure is arranged on the rear frame and is configured to be overlapped with the front frame when observed from the direction of the forklift's forward movement.
[0019] Specifically, the inclined cylinder 12 is fixedly installed on the lower cross beam by two bolts to prevent axial rotation. Secondly, the telescopic end of the inclined cylinder 12 abuts against the lower part of the front frame. When the telescopic end of the inclined cylinder 12 expands and contracts, it can push the front frame to tilt forward and backward, thereby realizing the tilting movement of the fork. The inclined cylinder 12 is arranged on the right side of the rear frame, and the two are overlapped front and back, without additionally increasing the visual field occlusion, improving the operation visualization space and ensuring the maximum visual field.
[0020] Please refer to Figure 1 , in an embodiment, preferably, the oil circuit structure includes four straight pipe joints 1 connected to the upper cross beam. The four straight pipe joints 1 are divided into two groups, and the two groups of straight pipe joints 1 are respectively connected to the side shift oil circuit and the tilt oil circuit.
[0021] Please refer to Figure 1 , in an embodiment, preferably, the side shift oil circuit includes a left steel pipe 2 and a right steel pipe 3. The left steel pipe 2 and the right steel pipe 3 are respectively connected to the two straight pipe joints 1 in the same group in a one-to-one correspondence. The ends of the left steel pipe 2 and the right steel pipe 3 far from the straight pipe joints 1 are both equipped with docking joints 4, and the two docking joints 4 are both installed on the side shift cylinder. Further, through this structure, the side shift cylinder can push the front frame to move left and right, thereby realizing the left and right side shift function of the fork.
[0022] Please refer to Figure 1 , in an embodiment, preferably, the tilt oil circuit includes an inner connecting pipe 5 and an outer connecting pipe 6. The inner connecting pipe 5 and the outer connecting pipe 6 are respectively connected to the two straight pipe joints 1 in the other group in a one-to-one correspondence. The ends of the inner connecting pipe 5 and the outer connecting pipe 6 far from the straight pipe joints 1 are both connected to a balance valve 7. A pipe coupler 8 and a three-way direction-changing joint 9 are respectively installed on the balance valve 7. The inclined cylinder 12 includes a front chamber and a rear chamber. A rear chamber steel pipe 10 communicating with the rear chamber is installed on the inclined cylinder 12, and the end of the rear chamber steel pipe 10 far from the inclined cylinder 12 is connected to the pipe coupler 8. When oil is introduced, the rear tilt function of the fork is realized. A front chamber steel pipe 11 communicating with the front chamber is also installed on the inclined cylinder 12, and the end of the front chamber steel pipe 11 far from the inclined cylinder 12 is connected to the three-way direction-changing joint 9. When oil is introduced, the front tilt function of the fork is realized.
[0023] Please refer to Figures 1-2, in one embodiment, in this embodiment, preferably, the rear cavity steel pipe 10 and the lower ends of the front cavity steel pipes 11 are arranged overlapping front and back, and further, to maximize the field of view; each group of steel pipes is bent in a conforming shape, and the bending shape of the steel pipes can ensure smooth flow of the incoming and outgoing oil, avoid throttling, improve the use efficiency of the hydraulic system, and the overall layout is more beautiful.
[0024] Although this specification is described according to embodiments, not every embodiment only contains an independent technical solution. This narrative way of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.
[0025] Therefore, the above are only the preferred embodiments of the present application and are not used to limit the scope of implementation of the present application; that is, all equivalent transformations made according to the scope of the claims of the present application are within the protection scope of the claims of the present application.
Claims
1. A power control structure for a forklift carriage, including a forklift carriage, the forklift carriage includes a front frame and a rear frame, the front frame and the rear frame are connected by a side shift cylinder, the rear frame includes a rear frame body and an upper cross beam and a lower cross beam arranged on the rear frame body, and is characterized in that, An inclined oil cylinder (12) connected to the front frame is provided on one side of the lower cross beam. An oil circuit structure is provided on the rear frame and is configured to be arranged overlapping with the front frame when observed from the direction of the forklift's forward movement.
2. The forklift carriage power control structure according to claim 1, wherein, The oil circuit structure includes four straight pipe joints (1) connected to the upper cross beam. The four straight pipe joints (1) are grouped in twos, and the two groups of straight pipe joints (1) are respectively connected to the side shift oil circuit and the tilt oil circuit.
3. The forklift carriage power control structure according to claim 2, characterized in that, The side shift oil circuit includes a left steel pipe (2) and a right steel pipe (3). The left steel pipe (2) and the right steel pipe (3) are respectively connected to two straight pipe joints (1) of the same group in one-to-one correspondence. Docking joints (4) are assembled at the ends of the left steel pipe (2) and the right steel pipe (3) away from the straight pipe joints (1). Both of the two docking joints (4) are installed on the side shift oil cylinder.
4. The forklift carriage power control structure according to claim 2, wherein, The tilt oil circuit includes an inner connecting pipe (5) and an outer connecting pipe (6). The inner connecting pipe (5) and the outer connecting pipe (6) are respectively connected to two straight pipe joints (1) of the other group in one-to-one correspondence. The ends of the inner connecting pipe (5) and the outer connecting pipe (6) away from the straight pipe joints (1) are both connected to a balance valve (7). A pipe coupler (8) and a three-way direction-changing joint (9) are respectively installed on the balance valve (7).
5. The forklift carriage power control structure according to claim 4, characterized in that, The inclined oil cylinder (12) includes a front chamber and a rear chamber. A rear chamber steel pipe (10) communicating with the rear chamber is installed on the inclined oil cylinder (12), and the end of the rear chamber steel pipe (10) away from the inclined oil cylinder (12) is connected to the pipe coupler (8). A front chamber steel pipe (11) communicating with the front chamber is also installed on the inclined oil cylinder (12), and the end of the front chamber steel pipe (11) away from the inclined oil cylinder (12) is connected to the three-way direction-changing joint (9).
6. The forklift carriage power control structure according to claim 5, characterized in that, The lower ends of the rear chamber steel pipe (10) and the front chamber steel pipe (11) are arranged overlapping front and rear.