Automobile manufacturing level and measuring method thereof

Abstract

The application discloses a level for automobile manufacturing and a measuring method thereof. The level comprises a supporting mechanism, a bearing mechanism, a measuring mechanism and a driving motor. The supporting mechanism comprises a supporting bottom beam, a supporting frame, a cross beam and a mounting frame. Two supporting frames are fixed on two groups of supporting bottom beams respectively. The supporting frames are connected with the cross beam at the top. The cross beam is fixed with the mounting frame. The driving motor is installed. The driving motor is connected with the measuring mechanism. The bearing mechanism is arranged between the two supporting bottom beams and comprises a bearing plate, a fixed table and a driving shaft. The fixed table is fixed on the inner side surfaces of the two groups of supporting bottom beams. The upper surface of the fixed table is provided with a protruding block. The driving shaft is installed on the protruding block. The driving shaft is fixedly connected with the bearing plate. The side wall of the bearing plate is provided with a recess. A bubble level is embedded in the recess. During measurement, the level is placed on the bearing plate in a horizontal state. The horizontal measurement is conducted by moving the measuring plate through the telescopic cylinder. The level can realize efficient and accurate horizontal measurement, is convenient to use and detect.

Description

Technical Field

[0001] This invention relates to a spirit level for automobile manufacturing and its measurement method, belonging to the field of automobile parts testing technology. Background Technology

[0002] Commercial vehicles, in terms of design and technical characteristics, are automobiles used for transporting people and goods. Commercial vehicles include all freight vehicles and buses with more than nine seats, categorized into five types: buses, trucks, semi-trailer tractors, incomplete bus vehicles, and incomplete truck vehicles. In the industry media, the concept of commercial vehicles is primarily defined based on their different uses, conventionally dividing them into two main categories: buses and trucks. The concept of commercial vehicles has become increasingly familiar with people as my country's automotive industry has developed. Domestic and international standards for distinguishing commercial vehicles differ. In the old classification, chassis sold by vehicle manufacturers were included in the complete vehicle statistics; in the new classification, chassis are listed separately, namely incomplete bus vehicles (bus chassis) and incomplete truck vehicles (truck chassis). Existing commercial vehicle sheet metal welding requires high flatness or verticality. The commonly used level has a small inspection range, is inconvenient to use, and affects work efficiency. Furthermore, the process of processing commercial vehicle sheet metal requires prolonged support of the level, further impacting processing efficiency. Summary of the Invention

[0003] The technical problem to be solved by the present invention is to address the shortcomings of the existing technology by providing a level ruler for automobile manufacturing and its measurement method. The invention aims to solve the problems that the level rulers commonly used in the prior art have a small detection range and are inconvenient to use, and that the level rulers need to be supported for a long time during the processing of commercial vehicle sheet metal, which affects the processing efficiency.

[0004] To solve this technical problem, the present invention provides an automotive manufacturing level, comprising a support mechanism, a load-bearing mechanism, a measuring mechanism, and a drive motor. The support mechanism includes a support base beam, a support frame, a crossbeam, and a mounting frame. Two sets of support base beams are spaced apart, and two support frames are fixed to the two sets of support base beams respectively. A crossbeam is connected between the tops of the two support frames, and a mounting frame is fixed to the upper surface of the crossbeam. A drive motor is mounted on the mounting frame and connected to the measuring mechanism located below the crossbeam. The load-bearing mechanism is disposed between the two sets of support base beams. The load-bearing mechanism includes a load-bearing plate, a fixed platform, and a drive shaft. The fixed platform is fixed to the inner surfaces of the two sets of support base beams facing each other. A protrusion is provided on the upper surface of the fixed platform, and the drive shaft is rotatably mounted on the protrusion. The side of the drive shaft away from the fixed platform is fixedly connected to the load-bearing plate. A groove is provided on the side wall of the load-bearing plate, and a bubble level is embedded in the groove.

[0005] The supporting mechanism also includes an adjusting plate, a connecting shaft, a fixed head, a through hole, a protrusion, a chain, and a sprocket. An adjusting plate is rotatably installed between the two sets of fixed platforms. A connecting shaft is fixedly installed at each end of the adjusting plate. The end of the connecting shaft away from the adjusting plate is rotatably connected to the fixed head, which is fixedly installed on the side wall of the fixed platform. The fixed head has a hollow internal structure. A through hole is opened on the surface of the fixed platform facing the fixed head, and a chain is inserted into the through hole. A drive wheel is provided inside the fixed platform, and the drive wheel is rotatably connected to the chain. A sprocket is sleeved on the other end of the chain. A motor connected to the drive wheel is provided inside the fixed platform. The sprocket is fixedly sleeved on the outside of the connecting shaft, and the sprocket rotates synchronously with the connecting shaft. The supporting plate is located above the adjusting plate.

[0006] The measuring mechanism includes a rotating plate, a rotary motor, a drive screw, a moving block, a top rod, a slider, a measuring plate, and a telescopic cylinder. The rotating plate is rotatably mounted below the crossbeam, and the rotating plate is connected to the drive motor via a transmission shaft. The top rod is horizontally slidably mounted below the rotating plate and perpendicular to it. Two sets of measuring plates are symmetrically distributed at intervals and slidably mounted below the top rod, with the measuring plates perpendicular to the top rod. The upper surface of the top rod has a protruding moving block, and the bottom surface of the rotating plate has a horizontally opened moving groove. The moving block is embedded in the moving groove and can slide horizontally. The drive screw is embedded inside the moving groove, and the moving block is threadedly connected to the drive screw. A rotary motor connected to the drive screw is fixedly mounted at the end of the rotating plate. A sliding groove is horizontally opened on the bottom end surface of the top rod. A slider protrudes from the upper surface of the measuring plate and is slidably connected to the sliding groove. A telescopic cylinder is horizontally embedded inside the sliding groove, and the telescopic end of the telescopic cylinder is fixedly connected to the block.

[0007] The present invention also provides a method for measurement using the aforementioned automotive manufacturing level, comprising the following steps:

[0008] S1. After the welding and grinding processes are completed, the commercial vehicle auto parts are placed on the support plate. The support plate is supported by the bottom beam. When the support plate is carrying the commercial vehicle auto parts, it first adjusts itself to a horizontal state. The motor inside the fixed platform drives the drive wheel to rotate. The drive wheel drives the sprocket to rotate through the chain. After the sprocket rotates, the connecting shaft rotates accordingly. Then, the adjustment plate flips with the fixed connection point with the connecting shaft as the support point. Since the support plate is rotatably connected to the fixed platform, when the bottom adjustment plate flips, the support plate swings under force and changes from an inclined state to a horizontal state. The horizontal bubble meter on the side wall of the support plate is used to determine whether the support plate is in a horizontal state.

[0009] S2. After the commercial vehicle parts are placed horizontally on the support plate, the telescopic cylinder retracts to move the measuring plate under the top rod to measure the levelness of the side wall of the commercial vehicle parts. By observing the fit between the side wall of the commercial vehicle parts and the measuring plate, it can be determined whether the side wall of the commercial vehicle parts is level.

[0010] S3. After measuring one side of the commercial vehicle parts, the telescopic cylinder extends and retracts, causing the measuring plate to move away from the commercial vehicle parts. Then, the drive motor starts and drives the rotating plate to rotate. The measuring plate rotates on the commercial vehicle parts, and the position of the measuring plate relative to the commercial vehicle parts is adjusted by rotating to perform horizontal measurements on other surfaces of the commercial vehicle parts.

[0011] S4. When the measuring plate is in contact with the side wall of the commercial vehicle parts, the drive screw is rotated by the rotary motor. The connector threaded to the drive screw moves horizontally along the rotating plate, and the side of the measuring plate and the side wall of the commercial vehicle parts move, thereby observing the levelness of other parts of the side wall.

[0012] Beneficial effects: Compared with existing technologies, this invention, through the cooperation of a measuring mechanism and a support plate, can quickly measure the levelness of commercial vehicle parts without the need for manual support during inspection. It also has a larger measurement range, enabling efficient and accurate levelness measurement of large commercial vehicle parts, making it highly practical. The support plate itself has a levelness adjustment structure, allowing the invention to level commercial vehicle parts even on uneven ground, effectively improving inspection quality. The movable measuring plate of the measuring mechanism eliminates the need for further movement after the commercial vehicle parts are placed and fixed. The movable measuring plate allows for multi-angle levelness measurement of the parts, offering high ease of use, reducing manual labor, and facilitating inspection, making it widely applicable. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the structure of the present invention;

[0014] Figure 2 This is a schematic diagram showing the disassembled state of the support plate of the present invention;

[0015] Figure 3 This is a schematic diagram of the assembly of the fixed platform and the adjusting plate of the present invention;

[0016] Figure 4 For the present invention Figure 1 Enlarged structural diagram at point A in the middle;

[0017] Figure 5 This is a schematic diagram of the measuring mechanism of the present invention.

[0018] In the diagram: 1. Supporting base beam; 2. Bearing plate; 3. Support frame; 4. Measuring mechanism; 5. Drive motor; 6. Fixed platform; 7. Adjusting plate; 8. Crossbeam; 9. Drive shaft; 10. Connecting shaft; 11. Fixed head; 12. Rotating plate; 13. Rotary motor; 14. Drive screw; 15. Moving block; 16. Top rod; 17. Sliding block; 18. Measuring plate; 19. Telescopic cylinder; 20. Perforation; 21. Chain; 22. Protrusion; 23. Bubble level; 24. Mounting frame; 25. Sprocket. Detailed Implementation

[0019] The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0020] like Figures 1-5 As shown, the present invention provides an automotive manufacturing level, including a support mechanism, a load-bearing mechanism, a measuring mechanism 4, and a drive motor 5. The support mechanism includes a support base beam 1, a support frame 3, a crossbeam 8, and a mounting frame 24. The support base beam 1 is distributed in two sets at intervals. Two support frames 3 are respectively fixed on the two sets of support base beam 1. A crossbeam 8 is connected between the tops of the two support frames 3. The mounting frame 24 is fixed on the upper surface of the crossbeam 8. The drive motor 5 is mounted on the mounting frame 24. The drive motor 5 is connected to the measuring mechanism 4 located below the crossbeam 8. The load-bearing mechanism is set between the two sets of support base beam 1. The load-bearing mechanism includes a load-bearing plate 2, a fixed platform 6, and a drive shaft 9. The fixed platform 6 is fixed on the inner side of the two sets of support base beam 1 facing each other. The upper surface of the fixed platform 6 has a protruding protrusion 22. The drive shaft 9 is rotatably mounted on the protrusion 22. The side of the drive shaft 9 away from the fixed platform 6 is fixedly connected to the load-bearing plate 2. The side wall of the load-bearing plate 2 has a groove. A bubble level 23 is embedded in the groove.

[0021] The supporting mechanism also includes an adjusting plate 7, a connecting shaft 10, a fixing head 11, a through hole 20, a protrusion 22, a chain 21, and a sprocket 25. An adjusting plate 7 is rotatably installed between the two sets of fixing platforms 6. The two ends of the adjusting plate 7 are respectively fixedly installed with the connecting shaft 10. The end of the connecting shaft 10 away from the adjusting plate 7 is rotatably connected to the fixing head 11. The fixing head 11 is fixedly installed on the side wall of the fixing platform 6. The interior of the fixing head 11 is a hollow structure. A through hole 20 is opened on the surface of the fixing platform 6 facing the fixing head 11. The chain 21 passes through the through hole 20. A drive wheel is provided inside the fixing platform 6. The drive wheel is rotatably connected to the chain 21. The other end of the chain 21 is fitted with a sprocket 25. A motor connected to the drive wheel is provided inside the fixing platform 6. The sprocket 25 is fixedly fitted outside the connecting shaft 10. The sprocket 25 rotates synchronously with the connecting shaft 10. The supporting plate 2 is located above the adjusting plate 7.

[0022] The measuring mechanism 4 includes a rotating plate 12, a rotary motor 13, a drive screw 14, a moving block 15, a push rod 16, a slider 17, a measuring plate 18, and a telescopic cylinder 19. The rotating plate 12 is rotatably mounted below the crossbeam 8, and the rotating plate 12 is connected to the drive motor 5 via a transmission shaft. The push rod 16 is horizontally slidably mounted below the rotating plate 12 and perpendicular to it. Two sets of measuring plates 18 are symmetrically distributed at intervals and slidably mounted below the push rod 16, with the measuring plates 18 perpendicular to the push rod 16. The upper surface of the push rod 16 has a protrusion. The moving block 15 has a horizontally opening moving groove on the bottom surface of the rotating plate 12. The moving block 15 is embedded in the moving groove and can slide horizontally. The moving groove is embedded with a drive screw 14, and the moving block 15 is threadedly connected to the drive screw 14. The end of the rotating plate 12 is fixedly installed with a rotary motor 13 connected to the drive screw 14. The bottom end surface of the top rod 16 is horizontally opened with a sliding groove. The upper surface of the measuring plate 18 is provided with a slider 17, which is slidably connected to the sliding groove. The sliding groove is horizontally embedded with a telescopic cylinder 19, and the telescopic end of the telescopic cylinder 19 is fixedly connected to a block.

[0023] The present invention also provides a method for measurement using the aforementioned automotive manufacturing level, comprising the following steps:

[0024] S1. After the commercial vehicle parts are processed by welding, grinding and other processes, they are placed on the support plate 2. The support plate 2 is supported by the support bottom beam 1. When the support plate 2 is carrying the commercial vehicle parts, it can first adjust itself to a horizontal state. The motor inside the fixed platform 6 drives the drive wheel to rotate. The drive wheel drives the sprocket 25 to rotate through the chain 21. After the sprocket 25 rotates, the connecting shaft 10 rotates accordingly. Then the adjusting plate 7 is rotated with the fixed connection point with the connecting shaft 10 as the support point. Since the support plate 2 is rotatably connected to the fixed platform 6, when the bottom adjusting plate 7 is rotated, the support plate 2 is swung by force and changes from an inclined state to a horizontal state. The horizontal bubble meter on the side wall of the support plate 2 is used to determine whether the support plate 2 is in a horizontal state.

[0025] S2. After the commercial vehicle parts are placed horizontally on the support plate 2, the telescopic cylinder 19 retracts to drive the measuring plate 18 to move below the top rod 16 to measure the levelness of the side wall of the commercial vehicle parts. By observing the fit between the side wall of the commercial vehicle parts and the measuring plate 18, it can be determined whether the side wall of the commercial vehicle parts is level.

[0026] S3. After measuring one side of the commercial vehicle parts, the telescopic cylinder 19 extends and retracts to move the measuring plate 18 away from the commercial vehicle parts. Then the drive motor 5 starts to drive the rotating plate 12 to rotate, and the measuring plate 18 rotates on the commercial vehicle parts. By rotating, the position of the measuring plate 18 relative to the commercial vehicle parts is adjusted to perform horizontal measurements on other surfaces of the commercial vehicle parts.

[0027] S4. When the measuring plate 18 is in contact with the side wall of the commercial vehicle parts, the drive screw 14 is rotated by the rotary motor 13. The connector threaded to the drive screw 14 moves horizontally along the rotating plate 12. The measuring plate 18 and the side wall of the commercial vehicle parts move, thereby observing the levelness of other parts of the side wall.

[0028] Compared with existing technologies, this invention, through the cooperation of a measuring mechanism and a support plate, enables rapid measurement of the levelness of commercial vehicle components without the need for manual support during inspection. It also offers a larger measurement range, allowing for efficient and accurate levelness measurement of large commercial vehicle components, making it highly practical. The support plate itself has a levelness adjustment structure, enabling the invention to level commercial vehicle components even on uneven ground, effectively improving inspection quality. The movable measuring plate of the measuring mechanism eliminates the need for further movement after the commercial vehicle components are placed and fixed. The movable measuring plate allows for multi-angle levelness measurement of the components, offering high ease of use, reducing manual labor, and simplifying inspection. This invention solves the problems of existing technologies where high flatness or verticality is required for welding commercial vehicle sheet metal, and the commonly used level rulers have a small measurement range, are inconvenient to use, and affect work efficiency. Therefore, this invention can be widely adopted.

[0029] The above embodiments of the present invention are merely illustrative examples and are not the only ones. All modifications within the scope of the present invention or equivalent to the scope of the present invention are encompassed by the present invention.

Claims

1. A car manufacturing level, characterized in that: The system includes a support mechanism, a load-bearing mechanism, a measuring mechanism (4), and a drive motor (5). The support mechanism includes a support base beam (1), a support frame (3), a crossbeam (8), and a mounting frame (24). Two sets of support base beams (1) are spaced apart. Two support frames (3) are fixed on the two sets of support base beams (1) respectively. A crossbeam (8) is connected between the tops of the two support frames (3). A mounting frame (24) is fixed on the upper surface of the crossbeam (8). A drive motor (5) is mounted on the mounting frame (24). The drive motor (5) is connected to the measuring mechanism located below the crossbeam (8). 4) Connected; The bearing mechanism is set between two sets of supporting bottom beams (1). The bearing mechanism includes a bearing plate (2), a fixed platform (6) and a drive shaft (9). The fixed platform (6) is fixed on the inner side of the two sets of supporting bottom beams (1) facing each other. The upper surface of the fixed platform (6) is provided with a protrusion (22). The drive shaft (9) is rotatably mounted on the protrusion (22). The side of the drive shaft (9) away from the fixed platform (6) is fixedly connected to the bearing plate (2). The side wall of the bearing plate (2) is provided with a groove. A bubble level (23) is embedded in the groove. The bearing mechanism also includes an adjusting plate (7), a connecting shaft (10), a fixing head (11), a through hole (20), a protrusion (22), a chain (21), and a sprocket (25). An adjusting plate (7) is also rotatably installed between the two sets of fixing platforms (6). The two ends of the adjusting plate (7) are respectively fixedly installed with the connecting shaft (10). The end of the connecting shaft (10) away from the adjusting plate (7) is rotatably connected to the fixing head (11). The fixing head (11) is fixedly installed on the side wall of the fixing platform (6). The interior of the fixing head (11) is a hollow structure. The fixed platform (6) has a through hole (20) on the surface facing the fixed head (11), and a chain (21) is inserted into the through hole (20); the fixed platform (6) has a drive wheel inside, which is rotatably connected to the chain (21), and a sprocket (25) is fitted on the other end of the chain (21); the fixed platform (6) has a motor connected to the drive wheel inside, and the sprocket (25) is fixedly fitted on the outside of the connecting shaft (10), and the sprocket (25) rotates synchronously with the connecting shaft (10); the bearing plate (2) is located above the adjusting plate (7); The measuring mechanism (4) includes a rotating plate (12), a rotary motor (13), a drive screw (14), a moving block (15), a push rod (16), a slider (17), a measuring plate (18), and a telescopic cylinder (19). The rotating plate (12) is rotatably mounted below the crossbeam (8), and the rotating plate (12) is connected to the drive motor (5) via a transmission shaft. The push rod (16) is horizontally slidably mounted below the rotating plate (12) and perpendicular to the rotating plate (12). Two sets of measuring plates (18) are symmetrically distributed at intervals and are slidably mounted below the push rod (16). The measuring plates (18) are perpendicular to the push rod (16). The upper surface of the push rod (16) The rotating plate (12) has a protruding movable block (15) on its surface and a movable groove is horizontally opened on the bottom surface of the rotating plate (12). The movable block (15) is embedded in the movable groove and can slide horizontally. The movable groove is embedded with a drive screw (14). The movable block (15) is threadedly connected to the drive screw (14). The rotating plate (12) is fixedly installed with a rotary motor (13) that connects to the drive screw (14). The bottom end of the top rod (16) is horizontally opened with a sliding groove. The upper surface of the measuring plate (18) is provided with a slider (17). The slider (17) is slidably connected to the sliding groove. The sliding groove is horizontally embedded with a telescopic cylinder (19). The telescopic end of the telescopic cylinder (19) is fixedly connected to a block.

2. A measurement method using the automotive manufacturing level as described in claim 1, characterized in that: Includes the following steps: S1. After the commercial vehicle parts are processed by welding and grinding, they are placed on the support plate (2). The support plate (2) is supported by the support bottom beam (1). When the support plate (2) is carrying the commercial vehicle parts, it first adjusts itself to a horizontal state. The motor inside the fixed platform (6) drives the drive wheel to rotate. The drive wheel drives the sprocket (25) to rotate through the chain (21). After the sprocket (25) rotates, the connecting shaft (10) rotates accordingly. Then the adjustment plate (7) is flipped with the fixed connection point with the connecting shaft (10) as the support point. Since the support plate (2) is rotatably connected to the fixed platform (6), when the bottom adjustment plate (7) is flipped, the support plate (2) is swung by force and changes from an inclined state to a horizontal state. The horizontal bubble meter on the side wall of the support plate (2) is used to determine whether the support plate (2) is in a horizontal state. S2. After the commercial vehicle parts are placed horizontally on the support plate (2), the measuring plate (18) is moved below the top rod (16) by the retraction of the telescopic cylinder (19). The horizontality of the side wall of the commercial vehicle parts is measured. The horizontality of the side wall of the commercial vehicle parts is determined by observing the fit between the side wall of the commercial vehicle parts and the measuring plate (18). S3. After measuring one side of the commercial vehicle parts, the telescopic cylinder (19) extends and retracts, causing the measuring plate (18) to move away from the commercial vehicle parts. Then the drive motor (5) starts and drives the rotating plate (12) to rotate. The measuring plate (18) rotates on the commercial vehicle parts. By rotating, the position of the measuring plate (18) relative to the commercial vehicle parts is adjusted, and the other surfaces of the commercial vehicle parts are measured horizontally. S4. When the measuring plate (18) is in contact with the side wall of the commercial vehicle parts, the drive screw (14) is driven to rotate by the rotary motor (13). The connector threaded to the drive screw (14) moves horizontally along the rotating plate (12). The measuring plate (18) and the side wall of the commercial vehicle parts move, thereby observing the levelness of other parts of the side wall.

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