CN116817859A - Automobile manufacturing level bar and measuring method thereof - Google Patents

Abstract

The invention discloses an automobile manufacturing level and a measuring method thereof, wherein the level comprises a supporting mechanism, a bearing mechanism, a measuring mechanism and a driving motor, the supporting mechanism comprises a supporting bottom beam, supporting frames, a cross beam and a mounting frame, the two supporting frames are respectively fixed on the two groups of supporting bottom beams, the top of each supporting frame is connected with the cross beam, the mounting frame is fixed on the cross beam, the driving motor is mounted, and 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 fixing table and a driving shaft, wherein the fixing table is fixed on the inner side surfaces of the two groups of supporting bottom beams, a lug is arranged on the upper surface of the fixing table, the driving shaft is arranged on the lug and is fixedly connected with the bearing plate, a groove is formed in the side wall of the bearing plate, and a bubble level is embedded in the groove. When in measurement, the level bar is placed on the bearing plate and is in a horizontal state, and the measuring plate is driven to move through the telescopic cylinder to carry out horizontal measurement. The invention can perform high-efficiency and accurate levelness measurement, and has the advantages of convenient use and convenient detection.

Description

A kind of automobile manufacturing spirit level and its measuring method

Technical field

The invention relates to an automobile manufacturing level and a measuring method thereof, and belongs to the technical field of automobile parts detection.

Background technique

Commercial vehicles are cars designed and technically designed to transport people and goods. Commercial vehicles include all trucks and passenger cars with more than 9 seats, which are divided into five categories: passenger cars, trucks, semi-trailer tractors, passenger car incomplete vehicles and truck incomplete vehicles. In the entire industry media, commercial vehicles The concept is mainly defined based on its different uses. It is customary to divide commercial vehicles into two categories: passenger cars and trucks. The concept of commercial vehicles has become more and more familiar to people with the development of my country's automobile industry. Domestic and international standards for distinguishing commercial vehicle concepts are different. In the old classification, the chassis sold by vehicle companies were included in the statistics of complete vehicles. In the new classification, the chassis are listed separately as incomplete passenger car vehicles (passenger car chassis) and incomplete truck vehicles (truck chassis). Existing welding of commercial vehicle plates requires high flatness or verticality. The commonly used spirit level has a small detection range, is inconvenient to use, and affects work efficiency. At the same time, it takes a long time to adjust the level when processing commercial vehicle plates. Support affects processing efficiency.

Contents of the invention

The technical problem to be solved by the present invention is to provide an automobile manufacturing spirit level and its measurement method in view of the defects of the existing technology, aiming to solve the problem of high flatness or verticality required for commercial vehicle plate welding in the existing technology. The level used has a small detection range and is inconvenient to use. At the same time, when processing commercial vehicle panels, the level needs to be supported for a long time, which affects the processing efficiency.

In order to solve this technical problem, the present invention provides an automobile manufacturing level, which includes a support mechanism, a load-bearing mechanism, a measuring mechanism and a drive motor. The support mechanism includes a support bottom beam, a support frame, a cross beam and a mounting frame. The support bottom Two sets of beams are arranged at intervals. The two support frames are respectively fixed on the two sets of support bottom beams. A cross beam is connected between the tops of the two support frames. A mounting frame is fixed on the upper surface of the beam. A driving motor is installed on the mounting frame. The driving motor is connected to the beam. The measuring mechanism located below the cross beam is connected; the load-bearing mechanism is arranged between the two sets of support bottom beams. The load-bearing mechanism includes a load-bearing plate, a fixed platform and a drive shaft. The fixed platform is fixed on the opposite inner surfaces of the two sets of support bottom beams. The upper surface of the platform is protruding with bumps, and the drive shaft is mounted on the bumps for rotation. The side of the drive shaft away from the fixed platform is fixedly connected to the load-bearing plate. The side wall of the load-bearing plate is provided with a groove. The groove is A bubble level is installed inside.

The load-bearing mechanism also includes an adjusting plate, a connecting shaft, a fixed head, a perforation, a bump, a chain and a sprocket. An adjusting plate is also rotatably installed between the two sets of fixed tables. The two ends of the adjusting plate are fixedly installed respectively. The connecting shaft, one end of the connecting shaft away from the adjusting plate is rotatably connected to a fixed head, and the fixed head is fixedly installed on the side wall of the fixed table; the inside of the fixed head is a hollow structure, and the fixed table is provided with perforations on the surface facing the fixed head. A chain is inserted into the interior of the perforation; a driving wheel is provided inside the fixed platform, and the driving wheel is rotationally connected to the chain; a sprocket is set at the other end of the chain; a motor connected to the driving wheel is provided inside the fixed platform. The sprocket fixed sleeve is arranged on the outside of the connecting shaft, and the sprocket and the connecting shaft rotate synchronously; the load-bearing plate is located above the adjusting plate.

The measuring mechanism includes a rotating plate, a rotating motor, a driving screw, a moving block, a push rod, a sliding block, a measuring plate and a telescopic cylinder. The rotating plate is rotatably installed under the beam, and the rotating plate and the driving motor are connected by a transmission. The axis is connected; the ejector rod is horizontally slidably installed below the rotating plate and is perpendicular to the rotating plate; the measuring plates are symmetrically distributed in two groups and are slidably installed under the ejector rod, and the measuring plate and the ejector rod are arranged vertically; The upper surface of the ejector rod is provided with a protruding moving block, and the bottom surface of the rotating plate is horizontally provided with a moving groove. The moving block is embedded in the moving groove and can slide horizontally. The driving screw is embedded in the moving groove, and the moving block and the driving wire are embedded in the moving groove. The rod is threadedly connected; the end of the rotating plate is fixedly installed with a rotating motor connected to the driving screw, the bottom end of the ejector rod is horizontally provided with a chute, and the upper surface of the measuring plate is protruding with a slider. The block is slidingly connected to the chute, and a telescopic cylinder is embedded horizontally inside the chute, and the telescopic end of the telescopic cylinder is fixed to the connecting block.

The invention also provides a method for measuring using the automobile manufacturing spirit level, which includes the following steps:

S1. After the welding and grinding processes of commercial vehicle auto parts are completed, they are placed on the load-bearing plate. The load-bearing plate is supported by the supporting bottom beam. When the load-bearing plate carries the commercial vehicle auto parts, it first adjusts itself to a horizontal state. The motor inside the fixed table drives the driving wheel to rotate, and the driving wheel drives the sprocket to rotate through the chain. After the connection is rotated, the connecting shaft rotates, and then the adjusting plate is flipped using the fixed connection with the connecting shaft as a support point. Since the load-bearing plate and the fixed The platform is connected by rotation, so when the adjustment plate at the bottom is turned over, the load-bearing plate swings due to force and changes from an inclined state to a horizontal state. You can judge whether the load-bearing plate is in a horizontal state by observing the horizontal bubble meter on the side wall of the load-bearing plate;

S2. After the commercial vehicle auto parts are placed horizontally on the load-bearing plate, the telescopic cylinder shrinks to drive the measuring plate to move under the ejector, and the levelness of the side walls of the commercial vehicle auto parts is measured. By observing the side walls of the commercial vehicle auto parts The fit with the measuring board determines whether the side walls of commercial vehicle auto parts are level;

S3. After measuring an orientation of the commercial vehicle auto parts, the telescopic cylinder telescopes to drive the measuring plate away from the commercial vehicle auto parts. Then the drive motor starts to drive the rotating plate to rotate, and then the measuring plate rotates in the direction of the commercial vehicle auto parts. Through the rotation Adjust the position of the measuring plate relative to the commercial vehicle auto parts, and conduct horizontal measurements on other surfaces of the commercial vehicle auto parts;

S4. When the measuring plate is attached to the side wall of the commercial vehicle auto parts, the rotating motor drives the driving screw to rotate, and the connector threaded with the driving screw moves horizontally along the rotating plate. The measuring plate side and the side wall of the commercial vehicle auto parts Move it and observe the levelness of other parts of the side wall.

Beneficial effects: Compared with the existing technology, the present invention can quickly measure the level of commercial vehicle accessories through the cooperation of the measuring mechanism and the load-bearing plate, without requiring manual support for detection, and has a larger measurement range. Efficient and accurate level measurement can be carried out for large accessories of commercial vehicles, which is highly practical. The load-bearing plate itself has a level adjustment structure, so that the present invention can also support the accessories of commercial vehicles horizontally even on uneven ground, effectively improving the The quality of the inspection; through the movable measuring plate of the measuring mechanism, after the commercial vehicle accessories are placed and fixed, there is no need to make other movements. The measuring plate uses its own mobility to measure the level of the commercial vehicle accessories at multiple angles. , high convenience of use, reduced manual labor intensity, convenient detection, and can be widely promoted.

Description of the drawings

Figure 1 is a schematic structural diagram of the present invention;

Figure 2 is a schematic diagram of the disassembly state of the bearing plate of the present invention;

Figure 3 is a schematic diagram of the assembly of the fixed platform and the adjusting plate according to the present invention;

Figure 4 is an enlarged structural schematic diagram of position A in Figure 1 of the present invention;

Figure 5 is a schematic structural diagram of the measuring mechanism of the present invention.

In the picture: 1. Support bottom beam; 2. Bearing plate; 3. Support frame; 4. Measuring mechanism; 5. Driving motor; 6. Fixed table; 7. Adjustment plate; 8. Cross beam; 9. Drive shaft; 10. Connecting shaft; 11. Fixed head; 12. Rotating plate; 13. Rotating motor; 14. Driving screw; 15. Moving block; 16. Ejector; 17. Slider; 18. Measuring plate; 19. Telescopic cylinder; 20 , perforation; 21. chain; 22. bump; 23. bubble level; 24. mounting bracket; 25. sprocket.

Detailed ways

The present invention will be described in detail below with reference to the accompanying drawings and examples.

As shown in Figures 1 to 5, the present invention provides an automobile manufacturing level, which includes a support mechanism, a load-bearing mechanism, a measuring mechanism 4 and a drive motor 5. The support mechanism includes a support bottom beam 1, a support frame 3, and a cross beam. 8 and the mounting frame 24. There are two groups of supporting bottom beams 1 spaced apart. The two supporting frames 3 are respectively fixed on the two groups of supporting bottom beams 1. A cross beam 8 is connected between the tops of the two supporting frames 3, and the upper surface of the cross beam 8 is fixed. There is a mounting frame 24, and a driving motor 5 is installed on the mounting frame 24. The driving motor 5 is connected to the measuring mechanism 4 located below the cross beam 8; the bearing mechanism is arranged between the two sets of supporting bottom beams 1, and the bearing mechanism includes a bearing plate 2 , the fixed platform 6 and the driving shaft 9. The fixed platform 6 is fixed on the opposite inner surfaces of the two sets of supporting bottom beams 1. The upper surface of the fixed platform 6 is protruding with a bump 22, and the driving shaft 9 is rotated and installed on the bump 22. , the side of the driving 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, and a bubble level 23 is installed inside the groove.

The load-bearing mechanism also includes an adjusting plate 7, a connecting shaft 10, a fixed head 11, a through hole 20, a bump 22, a chain 21 and a sprocket 25. An adjusting plate 7 is also installed rotationally between the two sets of fixed tables 6. The two ends of the plate 7 are respectively fixedly installed with connecting shafts 10. One end of the connecting shaft 10 away from the adjusting plate 7 is rotatably connected to a fixed head 11. The fixed head 11 is fixedly installed on the side wall of the fixed platform 6; the fixed head 11 The interior of the fixed platform 6 is a hollow structure, and a perforation 20 is provided on the surface of the fixed platform 6 facing the fixed head 11. A chain 21 is inserted into the through hole 20; a driving wheel is provided inside the fixed platform 6, and the driving wheel is rotationally connected to the chain 21. The other end of the chain 21 is covered with a sprocket 25; the inside of the fixed platform 6 is provided with a motor connected to the driving wheel, the sprocket 25 is fixedly set on the outside of the connecting shaft 10, and the sprocket 25 rotates synchronously with the connecting shaft 10; The carrying plate 2 is located above the adjusting plate 7 .

The measuring mechanism 4 includes a rotating plate 12, a rotating motor 13, a driving screw 14, a moving block 15, a push rod 16, a sliding block 17, a measuring plate 18 and a telescopic cylinder 19. The rotating plate 12 is rotatably installed on the beam 8. Below, the rotating plate 12 and the driving motor 5 are connected through a transmission shaft; the push rod 16 is horizontally slidably installed below the rotating plate 12 and perpendicular to the rotating plate 12; the measuring plate 18 is provided with two groups symmetrically spaced apart , slidingly installed below the push rod 16, the measuring plate 18 and the push rod 16 are arranged vertically; the upper surface of the push rod 16 is provided with a protruding moving block 15, and the bottom surface of the rotating plate 12 is horizontally provided with a moving groove, and the moving block 15 is embedded in the moving groove and can slide horizontally. The driving screw 14 is embedded in the moving groove, and the moving block 15 is threadedly connected to the driving screw 14; the end of the rotating plate 12 is fixedly installed with a rotation connecting driving screw 14. The motor 13 and the bottom end surface of the push rod 16 are horizontally provided with a chute. The upper surface of the measuring plate 18 is protruding with a slider 17. The slider 17 is slidingly connected to the chute, and the inside of the chute is horizontally embedded with a slider. Telescopic cylinder 19, the telescopic end of the telescopic cylinder 19 is fixed with a connecting block.

The invention also provides a method for measuring using the automobile manufacturing spirit level, which includes the following steps:

S1. After the commercial vehicle auto parts are processed by welding, grinding and other processes, they are placed on the load-bearing plate 2. The load-bearing plate 2 is supported by the supporting bottom beam 1. When the load-bearing plate 2 carries the commercial vehicle auto parts, it can be placed first It is adjusted to a horizontal state, and the motor inside the fixed platform 6 drives the driving wheel to rotate. The driving wheel drives the sprocket 25 to rotate through the chain 21. After the connection is rotated, the connecting shaft 10 rotates, and then the adjusting plate 7 is fixedly connected to the connecting shaft 10. position is a supporting point for flipping. Since the load-bearing plate 2 is rotationally connected to the fixed platform 6, when the adjustment plate 7 at the bottom is turned over, the load-bearing plate 2 swings under force and changes from an inclined state to a horizontal state. By observing the side wall of the load-bearing plate 2 A level bubble meter is used to determine whether the load-bearing plate 2 is in a horizontal state;

S2. After the commercial vehicle auto parts are placed horizontally on the load-bearing plate 2, the telescopic cylinder 19 contracts to drive the measuring plate 18 to move under the push rod 16, and the levelness of the side wall of the commercial vehicle auto parts is measured. By observing the commercial vehicle auto parts, The degree of fit between the side wall of the accessory and the measuring plate 18 determines whether the side wall of the commercial vehicle auto accessory is level;

S3. After measuring an orientation of the commercial vehicle auto parts, the telescopic cylinder 19 telescopes to drive the measuring plate 18 away from the commercial vehicle auto parts. Then the drive motor 5 starts to drive the rotating plate 12 to rotate, and then the measuring plate 18 is on the commercial vehicle auto parts. In the direction of rotation, by rotating and adjusting the position of the measuring plate 18 relative to the commercial vehicle auto parts, the other surfaces of the commercial vehicle auto parts can be measured horizontally;

S4. When the measuring plate 18 is attached to the side wall of the commercial vehicle auto parts, the rotating motor 13 drives the driving screw 14 to rotate, and the connector threaded with the driving screw 14 moves horizontally along the rotating plate 12, and the side of the measuring plate 18 and The side walls of commercial vehicle auto parts are moved to observe the levelness of other parts of the side walls.

Compared with the existing technology, the present invention can quickly measure the level of commercial vehicle accessories through the cooperation of the measuring mechanism and the load-bearing plate. It does not require manual support for detection, and has a larger measurement range, which is suitable for commercial vehicles. The large-scale accessories can carry out efficient and accurate level measurement, and are highly practical. The load-bearing plate itself has a level adjustment structure, so that the invention can also support the accessories of commercial vehicles horizontally even on uneven ground, effectively improving the quality of detection. ; Through the setting of the movable measuring plate of the measuring mechanism, after the commercial vehicle accessories are placed and fixed, there is no need to make other movements. The measuring plate uses its own mobility to measure the level of the commercial vehicle accessories at multiple angles, which is convenient to use. It has high performance, reduces manual labor and is easy to detect; it solves the problem of the existing technology that commercial vehicle plate welding requires high flatness or verticality, and the commonly used level has a small detection range, is inconvenient to use, and affects work efficiency. Promote it widely.

The above-mentioned embodiments of the present invention are only examples and are not exclusive. All changes within the scope of the present invention or equivalent to the scope of the present invention are encompassed by the present invention.

Claims (4)

1. An automobile manufacturing level, characterized in that it includes a support mechanism, a load-bearing mechanism, a measuring mechanism (4) and a driving motor (5). The support mechanism includes a support bottom beam (1), a support frame (3), The cross beam (8) and the mounting frame (24), the supporting bottom beams (1) are arranged in two groups at intervals, and the two supporting frames (3) are respectively fixed on the two groups of supporting bottom beams (1). The tops of the two supporting frames (3) A crossbeam (8) is connected between them. A mounting bracket (24) is fixed on the upper surface of the crossbeam (8). A driving motor (5) is installed on the mounting bracket (24). The driving motor (5) is connected to the The measuring mechanism (4) is connected; the load-bearing mechanism is arranged between the two sets of supporting bottom beams (1). The load-bearing mechanism includes a load-bearing plate (2), a fixed platform (6) and a driving shaft (9). The fixed platform (6) It is fixed on the opposite inner surfaces of the two sets of supporting bottom beams (1). The upper surface of the fixing platform (6) is protruding with a bump (22), and the driving shaft (9) is rotationally installed on the bump (22), so The side of the driving shaft (9) away from the fixed platform (6) is fixedly connected to the load-bearing plate (2). There is a groove on the side wall of the load-bearing plate (2), and a bubble level (23) is installed inside the groove. ). 2. The automobile manufacturing level according to claim 1, characterized in that: the load-bearing mechanism further includes an adjustment plate (7), a connecting shaft (10), a fixed head (11), a perforation (20), a bump ( 22), chain (21) and sprocket (25), and an adjusting plate (7) is rotatably installed between the two sets of fixed tables (6), and connecting shafts are fixedly installed at both ends of the adjusting plate (7). (10), one end of the connecting shaft (10) away from the adjusting plate (7) is rotatably connected to a fixed head (11), and the fixed head (11) is fixedly installed on the side wall of the fixed platform (6); the fixed head (11) ) has a hollow structure inside, and a perforation (20) is provided on the surface of the fixing platform (6) facing the fixing head (11), and a chain (21) is inserted into the perforation (20); the fixing platform (6) There is a driving wheel inside, and the driving wheel is rotationally connected to the chain (21). The other end of the chain (21) is covered with a sprocket (25); the fixed platform (6) is equipped with a motor connected to the driving wheel inside, and the chain The wheel (25) is fixedly sleeved on the outside of the connecting shaft (10), and the sprocket (25) rotates synchronously with the connecting shaft (10); the load-bearing plate (2) is located above the adjusting plate (7). 3. The automobile manufacturing level according to claim 1, characterized in that: the measuring mechanism (4) includes a rotating plate (12), a rotating motor (13), a driving screw (14), and a moving block (15) , push rod (16), slider (17), measuring plate (18) and telescopic cylinder (19). The rotating plate (12) is rotationally installed under the cross beam (8), and the rotating plate (12) is connected with the driving motor. (5) are connected by a transmission shaft; the push rod (16) is installed horizontally and slidably below the rotating plate (12) and is perpendicular to the rotating plate (12); the measuring plate (18) has two symmetrically spaced and distributed The measuring plate (18) is arranged vertically with the ejector rod (16); the upper surface of the ejector rod (16) is provided with a protruding moving block (15), and the rotating plate The bottom surface of (12) has a moving groove horizontally. The moving block (15) is embedded in the moving groove and can slide horizontally. The driving screw (14) is embedded in the moving groove. The moving block (15) and the driving screw (14) Threaded connection; the end of the rotating plate (12) is fixedly installed with a rotating motor (13) connected to the driving screw (14), the bottom end of the ejector rod (16) is horizontally provided with a chute, and the measuring plate (18) ) is protruding from the upper surface with a slider (17), the slider (17) is slidingly connected to the chute, and a telescopic cylinder (19) is embedded horizontally inside the chute. The telescopic cylinder (19) End fixed connection block. 4. A method of measuring using the automobile manufacturing spirit level described in any one of claims 1-3, characterized in that: comprising the following steps: S1. After the welding and grinding processes of commercial vehicle auto parts are completed, they are placed on the load-bearing plate (2). The load-bearing plate (2) is supported by the supporting bottom beam (1). The load-bearing plate (2) is used to carry the commercial vehicle. When making auto parts, first adjust itself to a horizontal state, and drive the driving wheel to rotate through the motor inside the fixed table (6). The driving wheel drives the sprocket (25) to rotate through the chain (21). After the connection is rotated, the connecting shaft (10) follows. rotate, and then the adjusting plate (7) is flipped using the fixed connection with the connecting shaft (10) as a support point. Since the load-bearing plate (2) is rotationally connected to the fixed platform (6), when the bottom adjusting plate (7) is flipped When, the load-bearing plate (2) swings due to force and changes from an inclined state to a horizontal state. By observing the horizontal bubble meter on the side wall of the load-bearing plate (2), it can be judged whether the load-bearing plate (2) is in a horizontal state; S2. After the commercial vehicle auto parts are placed horizontally on the load-bearing plate (2), the telescopic cylinder (19) contracts to drive the measuring plate (18) to move under the push rod (16) to level the side walls of the commercial vehicle auto parts. Degree measurement: by observing the fit between the side wall of the commercial vehicle auto parts and the measuring plate (18), it is determined whether the side wall of the commercial vehicle auto parts is level; S3. After measuring an orientation of the commercial vehicle auto parts, the telescopic cylinder (19) telescopes to drive the measurement plate (18) away from the commercial vehicle auto parts. Then the drive motor (5) starts to drive the rotating plate (12) to rotate, and then the measurement is carried out. The plate (18) rotates on the commercial vehicle auto parts, and the position of the measuring plate (18) relative to the commercial vehicle auto parts is adjusted by rotation to perform horizontal measurements on other surfaces of the commercial vehicle auto parts; S4. When the measuring plate (18) is attached to the side wall of the commercial vehicle auto parts, the rotating motor (13) drives the driving screw (14) to rotate, and the connector threaded with the driving screw (14) moves along the rotating plate (14). 12) Move horizontally, move the measuring plate (18) side and the side wall of the commercial vehicle auto parts, and then observe the levelness of other parts of the side wall.