CN204438979U - For the appliance special for detecting of engine water tank lower carriage mounting hole - Google Patents

Abstract

The utility model proposes a special inspection tool for the installation hole of the lower bracket of the engine water tank, which mainly includes an L-shaped bottom plate, a pressure plate, a circular positioning pin, a diamond-shaped positioning pin, and a detection pin. Place the workpiece to be inspected on the base plate, and according to the principle of "two pins on one side", locate the workpiece to be inspected on the base plate through the cylindrical positioning pin and the diamond column positioning pin, and at the same time, the fixed distance and outer diameter of the two pins can verify the workpiece to be inspected Whether the hole spacing and hole size of the corresponding two holes meet the specification value, tighten the fastening nut to make the pressure plate press the workpiece to be inspected, insert the inspection pins into the other two holes of the workpiece to be inspected, if the inspection pin can pass through the workpiece to be inspected Enter the corresponding positioning guide sleeve on the bottom plate, indicating that the hole spacing and hole size of the workpiece to be inspected meet the standards. The beneficial effects of the utility model are: simple operation, high efficiency, avoiding subjective errors caused by manual measurement, reliable precision, and durability, can effectively control the quality of the bracket under the engine water tank, and can also reduce the labor of inspectors strength.

Description

Special inspection tool for the mounting hole of the lower bracket of the engine water tank

technical field

The utility model relates to a special inspection tool for detecting installation holes, in particular to a special inspection tool for the installation hole of the bracket under the engine water tank.

Background technique

At present, the inspection work of the lower bracket of the engine water tank is only to use a vernier caliper to inspect each individual size, and the interrelationship of each size is only checked by a three-coordinate measuring machine when a quality problem occurs during use. Before the products are put into storage, fully understand and grasp the quality status of batches of products, so that the quality of the products when they are put into storage cannot be effectively controlled, which brings great troubles to the analysis of quality problems. Since the hole spacing and hole size are the main parameters of the lower bracket of the engine water tank, its accuracy determines the assemblability and suitability of the lower bracket, the engine and the water tank, and affects whether the engine can work normally. Therefore, to ensure and improve the The inspection accuracy of hole pitch and hole size is very important. In order to solve this problem, the utility model has high detection accuracy, simple operation and high efficiency, avoids subjective errors caused by manual measurement, can effectively control the quality of stored products, and can also reduce the labor intensity of inspectors.

Contents of the invention

In view of the above shortcomings, the utility model proposes a special inspection tool for the mounting holes of the lower bracket of the engine water tank, which can improve the inspection accuracy and detection efficiency of the spacing and size of the mounting holes of the lower bracket of the engine water tank.

The technical scheme adopted in the utility model is as follows: the special inspection tool for the lower support mounting hole of the engine water tank mainly includes an L-shaped base plate, a pressing plate, a circular positioning pin, a diamond-shaped positioning pin, and a checking pin.

According to the above scheme, the L-shaped bottom plate is used to place workpieces, and eight positioning guide bushes are provided on it, wherein one left positioning guide bush and two left positioning guide bushes are respectively used to place circular positioning pins and diamond-shaped positioning pins; Right positioning guide sleeve 1 and right positioning guide sleeve 2 are also used to place circular positioning pins and diamond-shaped positioning pins respectively; Detection: The left positioning guide sleeve four and the right positioning guide sleeve four are respectively used for the detection of the workpiece two left bracket and the workpiece two right bracket.

According to the above scheme, the pressure plate is used to compress the workpiece to be inspected. There are one left pressure plate and one right pressure plate. The left connecting bolt is welded to the L-shaped bottom plate, and the left pressure plate is connected to the L-shaped bottom plate; The bottom plate passes through the left pressing plate and the left elastic washer, and is connected with the left fastening nut; the left fastening nut is used for manual screwing to push the left pressing plate to compress the workpiece; the right connecting bolt, the right fastening screw, and the right elastic washer 1. The connection and effect of the right fastening nut are the same as those mentioned above.

According to the above scheme, there are three holes on the workpiece one left bracket, the workpiece one left bracket hole one corresponds to the left positioning guide sleeve one, the workpiece one left bracket hole two corresponds to the left positioning guide sleeve two, and the workpiece one left bracket hole three corresponds to the left positioning guide sleeve one. Positioning guide sleeve three; three holes on the right bracket of workpiece one, workpiece one right bracket hole one corresponds to right positioning guide sleeve one, workpiece one right bracket hole two corresponds to right positioning guide sleeve two, workpiece one right bracket hole three corresponds to Right positioning guide sleeve three; there are three holes on the left bracket of the workpiece two, the left bracket hole one of the workpiece two corresponds to the left positioning guide sleeve one, the left bracket hole two of the workpiece two corresponds to the left positioning guide sleeve two, and the left bracket hole three of the workpiece two Corresponding to the left positioning guide sleeve 4; the three holes on the right bracket of the workpiece 2, the right bracket hole 1 of the workpiece 2 corresponds to the right positioning guide sleeve 1, the right bracket hole 2 of the workpiece 2 corresponds to the right positioning guide sleeve 2, and the right bracket hole of the workpiece 2 Three corresponds to the right positioning guide sleeve four.

The working principle of the utility model is: the workpiece to be inspected is placed on the bottom plate, and according to the principle of "two pins on one side", the workpiece to be inspected is positioned on the bottom plate through the cylindrical positioning pin and the rhombic column positioning pin, and the fixed distance between the two pins is and the outer diameter can verify whether the hole spacing and hole size of the corresponding two holes of the workpiece to be inspected conform to the specification value, tighten the fastening nut to make the pressure plate press the workpiece to be inspected, and insert the inspection pins into the other two holes of the workpiece to be inspected. The inspection pin can pass through the hole position of the workpiece to be inspected and enter the corresponding positioning guide sleeve on the bottom plate, indicating that the hole spacing and hole size of the workpiece to be inspected meet the standards.

The beneficial effects of the utility model are: simple operation, high efficiency, avoiding subjective errors caused by manual measurement, reliable precision, and durability, can effectively control the quality of the bracket under the engine water tank, and can also reduce the labor of inspectors strength.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the utility model is further described.

Fig. 1 is a front view and a top view of the utility model.

Fig. 2 is a front view and a top view of the utility model.

Fig. 3 is a structural schematic diagram of the utility model checking.

Fig. 4 is a front view and a top view of a workpiece-left bracket and a workpiece-right bracket.

Fig. 5 is a front view and a top view of a workpiece-left bracket and a workpiece-right bracket.

Fig. 6 is a front view and a top view of a workpiece-left bracket and a workpiece-right bracket.

Fig. 7 is a front view and a top view of a workpiece-left bracket and a workpiece-right bracket.

Fig. 8 is a front view and a top view of the workpiece two left bracket and the workpiece two right bracket.

Fig. 9 is a front view and a top view of the workpiece two left bracket and the workpiece two right bracket.

Fig. 10 is a front view and a top view of the workpiece two left bracket and the workpiece two right bracket.

Fig. 11 is a front view and a top view of the workpiece two left bracket and the workpiece two right bracket.

In the figure: 1. L-shaped bottom plate, 2. Left positioning guide sleeve 1, 3. Left positioning guide sleeve 2, 4. Left circular positioning pin, 5. Left diamond-shaped positioning pin, 6. Left connecting bolt, 7. Right connection Bolt, 8. Right positioning guide sleeve 1, 9. Right positioning guide sleeve 2, 10. Right circular positioning pin, 11. Right diamond-shaped positioning pin, 12. Right pressure plate, 13. Right elastic washer, 14. Right fastening Nut, 15. Right fastening screw, 16. Left elastic washer, 17. Left fastening nut, 18. Left fastening screw, 19. Left pressure plate, 20. Right positioning guide sleeve three, 21. Right positioning guide sleeve four . One left bracket hole three, 29. workpiece one right bracket, 30. workpiece one right bracket hole one, 31. workpiece one right bracket hole two, 32. workpiece one right bracket hole three, 33. workpiece two left bracket, 34. workpiece 2 left bracket hole 1, 35. workpiece 2 left bracket hole 2, 36. workpiece 2 left bracket hole 3, 37. workpiece 2 right bracket, 38. workpiece 2 right bracket hole 1, 39. workpiece 2 right bracket hole 2, 40 .Workpiece 2 right bracket hole 3.

Detailed ways

As shown in the figure, the special inspection tool for the mounting hole of the lower bracket of the engine water tank mainly includes an L-shaped bottom plate (1), a right pressure plate (12), a left pressure plate (19), a left circular positioning pin (4), and a left diamond-shaped positioning pin. Pin (5), right circular locating pin (10), right rhombus locating pin (11), checking pin (24).

According to the above scheme, the L-shaped bottom plate (1) is used to place the workpiece to be inspected, and there are eight positioning guide bushes on it, of which one (2) of the left positioning guide bushes and two (3) of the left positioning guide bushes are used respectively. Place the left circular positioning pin (4) and the left diamond-shaped positioning pin (5); the right positioning guide sleeve one (8), the right positioning guide sleeve two (9), are respectively used to place the right circular positioning pin (10) and Diamond locating pin (11); Left locating guide bush three (22), right locating guide bushing (20) three are respectively used in workpiece one left support (25), the detection of workpiece one right support (29); Left positioning guide bush four (23), right positioning guide sleeve four (21) are respectively used for workpiece two left supports (33), the detection of workpiece two right supports (37).

According to the above scheme, the pressure plate is used to compress the workpiece to be inspected. There is a left pressure plate (6) and a right pressure plate (12), and one end of the left connecting bolt (6) is welded on the L-shaped bottom plate (1) to connect the left pressure plate (6) On the L-shaped bottom plate (1); one end of the left fastening screw (18) is welded on the L-shaped bottom plate (1), and the other end passes through the left pressing plate (6) and the left elastic washer (16), and The left fastening nut (17) is connected; the left fastening nut (17) is used for manual screwing, and pushes the left pressing plate (6) to compress the workpiece to be inspected; the right connecting bolt (7), the right fastening screw rod (15), the right The connection and effect of the elastic gasket (13), the right fastening nut (14) are the same as those mentioned above; the workpiece to be inspected has four types: workpiece-left bracket (25), workpiece-right bracket (29), workpiece two Left support (33), workpiece two right supports (37).

According to the above scheme, there are three holes on the workpiece one left bracket (25), the workpiece one left bracket hole one (26) corresponds to the left positioning guide sleeve one (2), and the workpiece one left bracket hole two (27) corresponds to the left positioning Guide sleeve two (3), workpiece one left support hole three (28) corresponding left positioning guide sleeve three (22); described workpiece one right support (29) upper three hole positions, workpiece one right support hole one (30) Corresponding right positioning guide sleeve one (8), workpiece one right support hole two (31) corresponding right positioning guide sleeve two (9), workpiece one right support hole three (32) corresponding right positioning guide sleeve three (20); There are three holes on the left bracket (33) of the workpiece two, the first hole (34) of the left bracket of the workpiece two corresponds to the left positioning guide sleeve one (2), and the second left positioning guide sleeve hole (35) of the workpiece two corresponds to the left positioning guide sleeve two (3) , workpiece two left support hole three (36) corresponding left positioning guide sleeve four (23); described workpiece two right support (37) upper three hole positions, workpiece two right support hole one (38) corresponding right positioning guide sleeve one (8), workpiece two right support hole two (39) corresponding right positioning guide sleeve two (9), workpiece two right support hole three (40) corresponding right positioning guide sleeve four (21).

The working principle of the utility model is: the workpiece to be inspected is placed on the L-shaped bottom plate (1), and according to the principle of "two pins on one side", through the cylindrical positioning pins (4, 10) and the rhombic column positioning pins (5, 11), Position the workpiece to be inspected on the L-shaped bottom plate (1), and at the same time, the fixed spacing and outer diameter of the two positioning pins can verify whether the hole spacing and hole size of the corresponding two holes of the workpiece to be inspected meet the specified values, and tighten the fastening nuts (14, 17), make the pressure plates (12, 19) press the workpiece to be inspected, insert the inspection pins (24) respectively into the other two holes of the workpiece to be inspected, if the inspection pins (24) can pass through the holes of the workpiece to be inspected, enter The corresponding positioning guide sleeve on the base plate, that is: enter the left positioning guide sleeve three (22) through the workpiece one left bracket hole three (28); enter the right positioning guide sleeve three (20) through the workpiece one right bracket hole three (32); Enter the left positioning guide sleeve 4 (23) through the left bracket hole 3 (36) of the workpiece 2; enter the right positioning guide sleeve 4 (21) through the workpiece 2 right bracket hole 3 (40), explain the hole spacing and hole size of the workpiece to be inspected Standards compliant.

The beneficial effects of the utility model are: simple operation, high efficiency, avoiding subjective errors caused by manual measurement, reliable precision, and durability, can effectively control the quality of the bracket under the engine water tank, and can also reduce the labor of inspectors strength.

Claims (3)

1. A special inspection tool for the mounting hole of the lower bracket of the engine water tank, mainly including an L-shaped bottom plate, a pressure plate, a circular positioning pin, a diamond-shaped positioning pin, and a detection pin. The L-shaped bottom plate is used to place workpieces, and there are eight holes on it One positioning guide sleeve on the left and two positioning guide sleeves on the left are respectively used to place circular positioning pins and diamond-shaped positioning pins; one right positioning guide sleeve and two right positioning guide sleeves are also used to place circular positioning pins Locating pins and diamond-shaped locating pins; three left positioning guide bushes and three right positioning guide bushes are respectively used for the detection of workpiece one left bracket and workpiece one right bracket; left positioning guide sleeve four and right positioning guide sleeve four are respectively used for workpiece two left Bracket, workpiece 2 Right bracket detection, the pressure plate is used to compress the workpiece to be inspected, there is a left pressure plate and a right pressure plate, the left connecting bolt is welded to the L-shaped bottom plate, and the left pressure plate is connected to the L-shaped bottom plate; the left fastening screw is welded On the L-shaped bottom plate, pass through the left pressure plate and the left elastic gasket, and connect with the left fastening nut; the left fastening nut is used for manual screwing, pushing the left pressure plate to compress the workpiece; the right connecting bolt, the right fastening screw, the right The connection and effect of the elastic washer and the right fastening nut are the same as those mentioned above. 2. A special inspection tool for the mounting hole of the lower bracket of the engine water tank according to claim 1, further characterized in that: the diamond-shaped locating pin and the cylindrical locating pin pass through the two positioning guide sleeves on the L-shaped bottom plate and The two mounting holes of the workpiece to be inspected realize the positioning of the workpiece to be inspected through the principle of "two pins on one side". 3. A special inspection tool for the mounting hole of the lower bracket of the engine water tank according to claim 1, further characterized in that: the inspection pin is used to pass through the other four holes of the workpiece to be inspected, and the corresponding four positioning Guide sleeve to detect whether the mounting hole of the workpiece to be tested is qualified.