Device for automatically measuring size of hydraulic casting

Abstract

The utility model discloses a hydraulic casting size automatic measuring device which comprises a three-dimensional laser scanner, the bottom of the three-dimensional laser scanner is fixedly provided with a mounting seat, the interior of the mounting seat is in threaded connection with a stud, the bottom of the stud is fixedly provided with a supporting frame, the interior of the supporting frame is movably provided with an extension plate, and the extension plate is fixedly provided with a through hole. The extension plate and the supporting frame are movably connected through a connecting shaft, the two ends of the connecting shaft are limited through limiting pieces, meanwhile, a positioning column is fixedly arranged at the end of the connecting shaft, and the connecting shaft is inserted into a containing groove formed in the side wall of the supporting frame. According to the automatic measuring device for the size of the hydraulic casting, the connecting shaft is inserted into the upper positioning opening through the positioning column on the connecting shaft, the extension plate is separated from the interior of the supporting frame, and the extension plate is held by hand, so that the scanning size detection work can be performed on a higher casting without the help of an external ladder and a scaffold.

Description

Technical Field

[0001] The utility model relates to the field of casting size detection, in particular to a hydraulic casting size automatic measuring device. Background Art

[0002] Hydraulic castings are large in size and irregular in shape, so 3D laser scanners are generally used for automatic size detection. The specific process is:

[0003] 1. Preparation:

[0004] Ensure that the surface of the hydraulic casting is clean and free of impurities, oil stains and other factors that affect the scanning; place the casting in a suitable position to facilitate the scanning operation;

[0005] 2. 3D scanning:

[0006] Use a 3D scanner to scan the hydraulic casting in all directions to obtain point cloud data on its surface. During the scanning process, to ensure the integrity and accuracy of the scan, multiple scans from different angles may be required to obtain comprehensive data.

[0007] 3. Data processing:

[0008] Process the acquired point cloud data to remove noise and abnormal points to improve data quality; splice the scanning data from different angles to form a complete casting model;

[0009] 4. Dimensional measurement:

[0010] On the processed 3D model, you can use special measurement software or tools to measure various dimensions, such as length, width, height, diameter, angle, etc.; by comparing with the design size or standard size, determine the size deviation;

[0011] For example, when a laser scanner with model RigelScan is scanning a large hydraulic casting, if the hydraulic casting is much larger than the height of the user, it is necessary to use tools such as ladders to increase the user's height to scan the hydraulic casting, which is time-consuming and laborious. Utility Model Content

[0012] The utility model aims to provide a hydraulic casting dimension automatic measuring device to solve the defects mentioned in the above background technology.

[0013] To achieve the above-mentioned purpose, a hydraulic casting dimension automatic measuring device is provided, comprising a three-dimensional laser scanner, wherein a mounting seat is fixedly arranged at the bottom of the three-dimensional laser scanner, and a mounting stud is screwed inside the mounting seat, and a support frame is fixedly installed at the bottom of the stud, and an extension plate is movably installed inside the support frame, the extension plate and the support frame are movably connected by a connecting shaft, and the two ends of the connecting shaft are limited by limiting plates, and a positioning column is fixedly arranged at the end of the connecting shaft, and the connecting shaft is inserted into the inside of a receiving groove opened on the side wall of the support frame.

[0014] Preferably, the support frame is a "U"-shaped structure made of plastic material, and a folding structure is provided between the support frame and the extension plate. The sizes of the support frame and the extension plate are adapted to each other, and the extension plate is mounted inside the support frame.

[0015] Preferably, the accommodating groove is arranged in a vertical strip shape, and an upper positioning opening is opened on the upper side of the interior of the accommodating groove, and a lower positioning opening is opened on the lower side of the interior of the accommodating groove, and a rotating area is opened in the middle of the accommodating groove.

[0016] Preferably, the rotating area is adapted to the size of the connecting shaft and the positioning column, and the length of the connecting shaft and the positioning column combined is smaller than the diameter of the circular rotating area.

[0017] Preferably, the upper positioning opening and the lower positioning opening are symmetrical structures about the rotation area, and the sizes of the upper positioning opening and the lower positioning opening are consistent. At the same time, the sizes of the positioning column and the lower positioning opening are adapted, and the lower positioning opening is inserted into the interior of the positioning column.

[0018] Preferably, the connecting shaft is inserted into the lower positioning port through the positioning column thereon, and the extension plate is received in the support frame; the connecting shaft is inserted into the upper positioning port through the positioning column thereon, and the extension plate is detached from the support frame.

[0019] Compared with the prior art, the beneficial effects of the utility model are:

[0020] By utilizing the friction between the support frame and the extension plate and the friction between the connecting shaft and the positioning column, the support frame can be held by hand to increase the scanning height of the 3D laser scanner, and the scanning size detection work can be performed on higher castings;

[0021] The connecting shaft is inserted into the upper positioning port through the positioning column thereon, and the extension plate is detached from the interior of the supporting frame. By holding the extension plate, the scanning and dimensional inspection of higher castings can be carried out without the aid of external ladders and scaffolding. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the front view of the structure of the utility model;

[0023] Figure 2This is a schematic diagram of the expansion of the structural support frame and extension plate of the utility model;

[0024] Figure 3 This is a side view of the bottom structure of the structural support frame of the utility model;

[0025] Figure 4 The utility model structure Figure 3 3D graph of

[0026] Figure 5 The utility model structure Figure 4 Rear view of.

[0027] Numbers in the figure: 1. 3D laser scanner; 2. Mounting seat; 3. Stud; 4. Support frame; 5. Extension plate; 6. Receiving slot; 7. Upper positioning port; 8. Lower positioning port; 9. Connecting shaft; 10. Positioning column; 11. Limiting plate; 12. Rotation area. DETAILED DESCRIPTION

[0028] See also Figure 1-5 The utility model provides an automatic measuring device for hydraulic casting dimensions, including a three-dimensional laser scanner 1, a mounting seat 2 is fixedly arranged at the bottom of the three-dimensional laser scanner 1, and a stud 3 is screwed inside the mounting seat 2, and a support frame 4 is fixedly installed at the bottom of the stud 3, and an extension plate 5 is movably installed inside the support frame 4, the extension plate 5 and the support frame 4 are movably connected through a connecting shaft 9, and the two ends of the connecting shaft 9 are limited by limiting plates 11, and a positioning column 10 is fixedly arranged at the end of the connecting shaft 9, and the connecting shaft 9 is inserted into the inside of a receiving groove 6 opened on the side wall of the support frame 4.

[0029] Working principle: the connecting shaft 9 is inserted into the lower positioning port 8 through the positioning column 10 thereon, and the extension plate 5 is stored in the support frame 4; by utilizing the friction between the support frame 4 and the extension plate 5 and the friction between the connecting shaft 9 and the positioning column 10, the support frame 4 can be held by hand to increase the scanning height of the three-dimensional laser scanner 1, and the scanning size detection work can be performed on higher castings;

[0030] The connecting shaft 9 is inserted into the upper positioning port 7 through the positioning column 10 thereon, and the extension plate 5 is separated from the interior of the supporting frame 4. By holding the extension plate 5, the scanning and dimensional inspection of higher castings can be carried out without the aid of external ladders and scaffolding.

[0031] As a preferred embodiment, the support frame 4 is a "U"-shaped structure made of plastic material, and there is a folding structure between the support frame 4 and the extension plate 5. The sizes of the support frame 4 and the extension plate 5 are matched, and the extension plate 5 is clamped inside the support frame 4.

[0032] like Figure 1-5As shown, the receiving groove 6 is arranged in a vertical strip shape, and an upper positioning opening 7 is opened on the upper side of the receiving groove 6, while a lower positioning opening 8 is opened on the lower side of the receiving groove 6, and a rotating area 12 is opened in the middle of the receiving groove 6.

[0033] like Figure 1-5 As shown: a rotating area 12 is opened in the middle of the accommodating groove 6. When it is necessary to switch the state between the support frame 4 and the extension plate 5, the positioning column 10 at the bottom of the connecting shaft 9 needs to be pulled out from the inside of the lower positioning port 8. The connecting shaft 9 and the positioning column 10 can be rotated inside the rotating area 12 to change the position of the positioning column 10, so that the positioning column 10 is inserted upward into the inside of the upper positioning port 7.

[0034] As a preferred embodiment, the rotating area 12 is adapted to the size of the connecting shaft 9 and the positioning column 10 , and the length of the connecting shaft 9 and the positioning column 10 combined is smaller than the diameter of the circular rotating area 12 .

[0035] The upper positioning hole 7 and the lower positioning hole 8 are symmetrical structures about the rotation area 12 , and the upper positioning hole 7 and the lower positioning hole 8 have the same size. At the same time, the positioning column 10 is adapted to the size of the lower positioning hole 8 , and the lower positioning hole 8 is inserted into the interior of the positioning column 10 .

[0036] The connecting shaft 9 is inserted into the lower positioning port 8 through the positioning column 10 thereon, and the extension plate 5 is received in the support frame 4; the connecting shaft 9 is inserted into the upper positioning port 7 through the positioning column 10 thereon, and the extension plate 5 is detached from the support frame 4.

Claims

1. A hydraulic casting dimension automatic measuring device, comprising a three-dimensional laser scanner (1), characterized in that: The three-dimensional laser scanner (1) has a mounting seat (2) fixedly arranged at the bottom, and a stud (3) is screwed inside the mounting seat (2), and a support frame (4) is fixedly installed at the bottom of the stud (3), and an extension plate (5) is movably installed inside the support frame (4), the extension plate (5) and the support frame (4) are movably connected via a connecting shaft (9), and both ends of the connecting shaft (9) are limited by limiting plates (11), and a positioning column (10) is fixedly arranged at the end of the connecting shaft (9), and the connecting shaft (9) is inserted into the inside of a receiving groove (6) opened on the side wall of the support frame (4).

2. The automatic measuring device for hydraulic casting dimensions according to claim 1, characterized in that: The support frame (4) is a "U"-shaped structure made of plastic material, and a folding structure is formed between the support frame (4) and the extension plate (5). The sizes of the support frame (4) and the extension plate (5) are adapted to each other, and the extension plate (5) is clamped inside the support frame (4).

3. The automatic measuring device for hydraulic casting dimensions according to claim 1 is characterized in that: The receiving groove (6) is arranged in a vertical strip shape, and an upper positioning opening (7) is provided on the upper side of the receiving groove (6), a lower positioning opening (8) is provided on the lower side of the receiving groove (6), and a rotating area (12) is provided in the middle of the receiving groove (6).

4. The automatic measuring device for hydraulic casting dimensions according to claim 3 is characterized in that: The rotating area (12) is adapted to the size of the connecting shaft (9) and the positioning column (10), and the length of the connecting shaft (9) and the positioning column (10) combined is smaller than the diameter of the circular rotating area (12).

5. The automatic measuring device for hydraulic casting dimensions according to claim 3 is characterized in that: The upper positioning opening (7) and the lower positioning opening (8) are symmetrical structures with respect to the rotation area (12), and the upper positioning opening (7) and the lower positioning opening (8) have the same size. At the same time, the positioning column (10) is adapted to the size of the lower positioning opening (8), and the lower positioning opening (8) is inserted into the interior of the positioning column (10).

6. The automatic measuring device for hydraulic casting dimensions according to claim 5, characterized in that: The connecting shaft (9) is inserted into the interior of the lower positioning opening (8) through the positioning column (10) thereon, and the extension plate (5) is received in the interior of the support frame (4); the connecting shaft (9) is inserted into the interior of the upper positioning opening (7) through the positioning column (10) thereon, and the extension plate (5) is detached from the interior of the support frame (4).

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