A detection tool for a forklift truck frame oil tank tail gap

Abstract

This utility model provides a fixture for detecting the clearance at the rear of a forklift frame's fuel tank, comprising: a top cross plate, a rear cross plate, a detection plate, a positioning plate, a limiting plate, and a connecting plate; the top cross plate and the rear cross plate are vertically and fixedly connected; the detection plate is positioned below the top cross plate and to the side of the rear cross plate, with its two vertical sides fixedly connected to the surfaces of the top and rear cross plates respectively; the positioning plate is positioned between the two detection plates and is vertically and fixedly connected to the top and rear cross plates respectively, and has a positioning groove for fitting into the rear frame; the limiting plate is positioned between the two detection plates and is vertically and fixedly connected to the top and rear cross plates respectively; the detection plate, positioning plate, and limiting plate are parallel to each other; the connecting plate is parallel to the rear cross plate and fixes the positioning plate and the limiting plate together. The positioning plate of this fixture for detecting the clearance at the rear of the forklift frame's fuel tank is assembled in the same way as the counterweight on the frame, and the detection plate simulates the curvature of the counterweight after assembly to quickly and accurately detect the clearance between the sides of the fuel tank and the counterweight.

Description

Technical Field

[0001] This utility model relates to the field of forklift frame technology, specifically to a tooling for detecting the clearance at the rear of the fuel tank of a forklift frame. Background Technology

[0002] The clearance between the rear of the forklift chassis fuel tank and the counterweight is a crucial indicator for counterweight lifting. Only when this clearance meets design requirements can the forklift operate stably. Therefore, how to quickly and accurately detect the clearance at the rear of the chassis fuel tank has become a common research topic in this industry.

[0003] There are three commonly used detection methods:

[0004] 1. Measuring tape method: Indirect measurement is performed by placing a square against the rear of the fuel tank on the frame and then using a measuring tape. This method is not only troublesome and time-consuming, but also not very accurate.

[0005] 2. Balanced trial lifting method: This method determines whether the gap is qualified by lifting a counterweight. However, it is inefficient and inconvenient to operate.

[0006] 3. Coordinate measuring machine (CMM) inspection method: After inspecting the rear of the fuel tank of the frame using a CMM, it is matched with the three-dimensional digital model of the counterweight. This method not only requires the frame to be moved to a special inspection room, but also can only complete 2-3 inspections per day, which cannot meet the needs of batch quality monitoring. Summary of the Invention

[0007] To address the aforementioned issues, this invention provides a tooling for detecting the clearance between the rear of the fuel tank on a forklift frame. This tooling simulates the state after the counterweight is assembled, enabling rapid and accurate detection of the clearance between the rear of the fuel tank and the counterweight on the forklift frame.

[0008] This utility model provides a tooling for detecting the clearance at the rear of a forklift chassis fuel tank, using the following technical solution:

[0009] This utility model provides a tooling for inspecting the clearance at the rear of a forklift frame's fuel tank, including a top cross plate, a rear cross plate, an inspection plate, a positioning plate, a limiting plate, and a connecting plate. The top cross plate and the rear cross plate are vertically and fixedly connected. The inspection plate is located below the top cross plate and to the side of the rear cross plate, with its two vertical sides fixedly connected to the surfaces of the top and rear cross plates, respectively. The positioning plate is located between the two inspection plates and is vertically and fixedly connected to the top and rear cross plates, respectively, and has a positioning groove for fitting into the rear frame. The limiting plate is located between the two inspection plates and is vertically and fixedly connected to the top and rear cross plates, respectively. The inspection plate, positioning plate, and limiting plate are parallel to each other. The connecting plate is parallel to the rear cross plate and fixes the positioning plate and the limiting plate together.

[0010] Preferably, the fixed connection is a fixed connection through a boss and a slot.

[0011] Preferably, the top horizontal plate, the rear horizontal plate, and the connecting plate are each provided with slots for fixed connection; the detection plate, the positioning plate, and the limiting plate are each provided with bosses for fixed connection.

[0012] Preferably, the boss and slot are obtained by laser cutting, which ensures the dimensional accuracy and relative positional accuracy of the boss and slot.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] 1. This utility model enables rapid and accurate detection of the gap between the rear of the frame and the counterweight in large batches. It solves the problems of low accuracy of tape measure measurement and inconvenience and low efficiency in trial lifting method. At the same time, it meets the needs of large-scale quality monitoring, improves product quality, enhances product competitiveness, and increases customer satisfaction.

[0015] 2. This utility model adopts the design concept of mortise and tenon structure, with bosses and slots on the components. At the same time, laser cutting is combined to ensure accuracy, so that the components can be nested and cooperate with each other, which further improves the accuracy of inspection and greatly reduces the manufacturing difficulty of inspection tooling. Attached Figure Description

[0016] Figure 1 This utility model provides a tooling for detecting the clearance at the rear of the fuel tank of a forklift frame;

[0017] Figure 2 This is a schematic diagram of the operation of the testing fixture placed on the rear frame of a forklift in this utility model.

[0018] Attached reference numerals: 1. Top cross plate; 2. Rear cross plate; 3. Detection plate; 4. Positioning plate; 5. Limiting plate; 6. Connecting plate; 7. Frame. Detailed Implementation

[0019] To make this utility model more apparent and understandable, it will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0020] The forklift mentioned in this utility model is a 3.5T internal combustion engine vehicle. This utility model provides a tooling for detecting the clearance at the rear of the fuel tank of a forklift frame, including a top cross plate, a rear cross plate, a detection plate, a positioning plate, a limiting plate, and a connecting plate; the top cross plate and the rear cross plate are vertically and fixedly connected; the detection plate is located below the top cross plate and to the side of the rear cross plate, and its two vertical sides are fixedly connected to the surfaces of the top cross plate and the rear cross plate, respectively; the positioning plate is located between the two detection plates and is vertically and fixedly connected to the top cross plate and the rear cross plate, respectively, and the positioning plate has a positioning groove for fitting and assembling with the rear frame; the limiting plate is located between the two detection plates and is vertically and fixedly connected to the top cross plate and the rear cross plate, respectively; the detection plate, the positioning plate, and the limiting plate are parallel to each other; the connecting plate is parallel to the rear cross plate and fixes the positioning plate and the limiting plate. The tooling for detecting the clearance at the rear of the forklift frame's fuel tank is placed on the rear frame. The positioning plate and the counterweight are assembled on the frame in the same way. The detection plate simulates the curvature of the counterweight after it is assembled on the frame to detect the clearance between the two sides of the fuel tank and the counterweight.

[0021] Figure 1 The present invention provides a tooling for detecting the clearance at the rear of a forklift frame fuel tank, comprising a top horizontal plate 1, a rear horizontal plate 2, a detection plate 3, a positioning plate 4, a limiting plate 5, and a connecting plate 6. The top horizontal plate 1 is vertically fixedly connected to the rear horizontal plate 2. The detection plate 3 is disposed below the top horizontal plate 1 and to the side of the rear horizontal plate 2, and its two vertical sides are fixedly connected to the top horizontal plate 1 and the rear horizontal plate 2 respectively through two sets of bosses and slots. The positioning plate 4 is disposed between the two detection plates 3 and is vertically fixedly connected to the top horizontal plate 1 and the rear horizontal plate 2 respectively through two sets of bosses and slots. The positioning plate 4 has a positioning groove for fitting and assembling with the rear frame 7. The limiting plate 5 is disposed between the two detection plates 3 and is vertically fixedly connected to the top horizontal plate 1 and the rear horizontal plate 2 respectively through two sets of bosses and slots. The detection plate 3, the positioning plate 4, and the limiting plate 5 are parallel to each other. The connecting plate 6 is parallel to the rear horizontal plate 2 and is fixedly connected to the positioning plate 4 and the limiting plate 5 through bosses and slots. The top horizontal plate 1, the rear horizontal plate 2, and the connecting plate 6 are each provided with slots for fixed connection; the detection plate 3, the positioning plate 4, and the limiting plate 5 are each provided with bosses for fixed connection. The bosses and slots for fixed connection are all laser-cut to ensure the dimensional accuracy and relative positional accuracy of the bosses and rectangular slots.

[0022] Figure 1-2 The forklift frame fuel tank rear clearance test fixture is placed at the rear frame counterweight mounting location. The positioning plate 4 and the counterweight are assembled on the frame in the same way. Move the test fixture left and right so that the positioning groove on the positioning plate 4 fits into the rear frame 7. The positioning plate 4 is close to the outer side of the side plate of the rear frame 7. The test plate simulates the curvature of the counterweight mounted on the rear of the frame for testing. Visually observe the clearance between the test plate and the rear of the frame fuel tank. If necessary, a steel ruler can be used for measurement. The standard clearance is 5mm, and a clearance error of no more than ±1.5mm is considered acceptable.

[0023] In summary, by placing the forklift frame fuel tank rear clearance detection fixture on the rear frame, the fit clearance between the two sides of the fuel tank and the counterweight can be quickly and accurately detected.

[0024] The above are preferred embodiments of the present utility model. Those skilled in the art can make various changes or improvements based on this. Without departing from the overall concept of the present utility model, these changes or improvements should all fall within the scope of protection claimed by the present utility model.

Claims

1. A detection tool for a fork truck frame tank rear gap, characterized in that, It includes a top cross plate (1), a rear cross plate (2), a detection plate (3), a positioning plate (4), a limiting plate (5), and a connecting plate (6); the top cross plate (1) is vertically fixedly connected to the rear cross plate (2); the detection plate (3) is located below the top cross plate (1) and to the side of the rear cross plate (2), and the two vertical sides of the detection plate (3) are fixedly connected to the top cross plate (1) and the rear cross plate (2) respectively; the positioning plate (4) is located between the two detection plates (3) and is vertically fixedly connected to the top cross plate (1) and the rear cross plate (2) respectively, and the positioning plate (4) is provided with a positioning groove for fitting and assembling with the rear frame (7); the limiting plate (5) is located between the two detection plates (3) and is vertically fixedly connected to the top cross plate (1) and the rear cross plate (2) respectively; the detection plate (3), the positioning plate (4), and the limiting plate (5) are parallel to each other; the connecting plate (6) is parallel to the rear cross plate (2) and fixes the positioning plate (4) and the limiting plate (5) together.

2. The forklift frame oil tank rear gap detection tooling of claim 1, wherein, The fixed connection is a fixed connection through a boss and a slot.

3. The forklift frame oil tank rear gap detection tooling of claim 1, wherein, The top horizontal plate (1), the rear horizontal plate (2) and the connecting plate (6) are respectively provided with slots for fixed connection; the detection plate (3), the positioning plate (4) and the limiting plate (5) are respectively provided with bosses for fixed connection.

4. The forklift frame oil tank rear gap detection tooling of claim 2 or 3, wherein, The boss and slot are obtained by laser cutting, which ensures the dimensional accuracy and relative positional accuracy of the boss and slot.

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