CN216593143U - Crankshaft journal detection device - Google Patents
Crankshaft journal detection device Download PDFInfo
- Publication number
- CN216593143U CN216593143U CN202220124068.0U CN202220124068U CN216593143U CN 216593143 U CN216593143 U CN 216593143U CN 202220124068 U CN202220124068 U CN 202220124068U CN 216593143 U CN216593143 U CN 216593143U
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- wall
- base
- detection device
- grooves
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model belongs to the technical field of crankshafts, in particular to a crankshaft journal detection device, which aims at solving the problems that the conventional manual dial gauge is required to continuously measure a main journal, so that the operation is complicated and the main journals with different lengths are inconvenient to support, and the device comprises a base, wherein the bottom of the base is fixedly connected with four brackets, the bottom of the base is fixedly connected with a protective frame, a motor is fixedly connected inside the protective frame, the top of an output shaft of the motor is fixedly connected with a vertical shaft, the top of the vertical shaft is fixedly connected with a rotating rod, two ends of the rotating rod are respectively provided with a groove, the inner wall of each groove is rotatably connected with a connecting rod, one end of each connecting rod is rotatably connected with a cylinder, the dial gauge is fixed in position by a rotating bolt, the main journal is rotated under the action of a ball, and the main journal is convenient to detect, avoiding manual repeated operation.
Description
Technical Field
The utility model relates to the technical field of crankshafts, in particular to a crankshaft journal detection device.
Background
The crankshaft is a core part of an engine, the structure of the part is complex, and the machining precision and the machining difficulty are high. In particular, the main journal of the crankshaft directly bears various complex alternating loads and is in a high-speed motion state for a long time, so that strict requirements on the shape, the position precision and the surface roughness of the main journal of the crankshaft are required. Among them, the roundness error of the main journal directly affects the fitting accuracy, friction, vibration, noise, and the like of parts, and thus the roundness error becomes one of important indexes for checking the machining quality of a rotary part.
In prior art, need artifical handheld amesdial constantly to measure the trunnion, lead to complex operation to be not convenient for support the trunnion of different length, therefore we provide a crankshaft journal detection device, be used for solving above-mentioned problem.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects that the operation is complicated and the main journals with different lengths are inconvenient to support due to the fact that a dial indicator needs to be manually held to continuously measure the main journals, and provides a crankshaft journal detection device.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a crankshaft journal detection device comprises a base, wherein the bottom of the base is fixedly connected with four brackets, the bottom of the base is fixedly connected with a protective frame, the interior of the protective frame is fixedly connected with a motor, the top of the output shaft of the motor is fixedly connected with a vertical shaft, the top of the vertical shaft is fixedly connected with a rotating rod, both ends of the rotating rod are provided with grooves, the inner wall of each groove is rotatably connected with a connecting rod, one end of each connecting rod is rotatably connected with a cylinder, the bottom of the base is provided with a hollow groove, the inner wall of the hollow groove is fixedly connected with a guide rod, the top of the cylinder is fixedly connected with a Y-shaped plate, the outer wall of the Y-shaped plate is provided with four strip-shaped grooves, the inner walls of the four strip-shaped grooves are connected with balls in a sliding manner, the outer wall sliding connection of ball has the main journal, the top fixedly connected with U template of base, the outer wall of U template is equipped with adjustment mechanism.
Preferably, the adjusting mechanism comprises a movable plate, two sliding grooves are formed in the outer wall of the U-shaped plate, sliding blocks are connected inside the two sliding grooves in a sliding mode, the bottoms of the sliding blocks are fixedly connected with the top of the movable plate, an elongated groove is formed in the outer wall of the movable plate, a square block is connected to the inner wall of the elongated groove in a sliding mode, an installation rod is fixedly connected to the bottom of the square block, a dial indicator is fixedly connected to the bottom of the installation rod, and the main journal is detected through the dial indicator.
Preferably, a round hole is formed in the bottom of the base, and the inner wall of the round hole is rotatably connected with the outer wall of the motor output shaft.
Preferably, the outer wall of the cylinder is provided with a round hole, the inner wall of the round hole is connected with the outer wall of the guide rod in a sliding mode, and the cylinder is supported through the guide rod.
Preferably, two limiting grooves are formed in the top of the base, and the inner walls of the two limiting grooves are connected with the outer walls of the two cylinders in a sliding mode respectively.
Preferably, the outer wall of the moving plate is provided with a threaded hole, the inner wall of the threaded hole is in threaded connection with a bolt, and the mounting rod is fixed in position through the bolt.
Preferably, one end of the bolt presses the mounting rod.
Compared with the prior art, the utility model has the advantages that:
When this scheme supports according to the trunnion of different length, through setting up the motor, the vertical axis, the dwang, the connecting rod, the cylinder, the guide bar, Y template and ball, support the trunnion of different length, when examining time measuring, remove the top of trunnion with the amesdial, make the test end of amesdial touch the outer wall of trunnion, the rotation bolt carries out rigidity to the amesdial, the trunnion rotates under the effect of ball, the convenience detects the trunnion, avoid artifical the operation repeatedly.
Drawings
Fig. 1 is a schematic cross-sectional structural view of a crankshaft journal detection device according to the present invention;
fig. 2 is a schematic structural view of a rotating rod, a connecting rod, a cylinder and a guiding rod of the crankshaft journal detection device according to the present invention;
fig. 3 is an enlarged schematic structural diagram of a portion a in fig. 1 of a crankshaft journal detecting device according to the present invention;
fig. 4 is a schematic structural diagram of a Y-shaped plate and balls of the crankshaft journal detection device according to the present invention.
In the figure: 1. a base; 2. a support; 3. a protective frame; 4. a motor; 5. a vertical axis; 6. rotating the rod; 7. a connecting rod; 8. a cylinder; 9. a guide bar; 10. a Y-shaped plate; 11. a ball bearing; 12. a main journal; 13. a U-shaped plate; 14. a slider; 15. moving the plate; 16. mounting a rod; 17. a dial indicator; 18. and (4) bolts.
Detailed Description
Shown by a figure 1, a figure 2 and a figure 4, which relates to a crankshaft journal detection device, comprising a base 1, four brackets 2 are fixedly connected with the bottom of the base 1, a protective frame 3 is fixedly connected with the bottom of the base 1, a motor 4 is fixedly connected with the inside of the protective frame 3, a round hole is arranged at the bottom of the base 1, the inner wall of the round hole is rotatably connected with the outer wall of the output shaft of the motor 4, a vertical shaft 5 is fixedly connected with the top of the output shaft of the motor 4, the vertical shaft 5 rotates to enable a rotating rod 6 to rotate, the top of the vertical shaft 5 is fixedly connected with the rotating rod 6, both ends of the rotating rod 6 are provided with grooves, the inner wall of each groove is rotatably connected with a connecting rod 7, one end of each connecting rod 7 is rotatably connected with a cylinder 8, the outer wall of each cylinder 8 is provided with a round hole, the inner wall of each round hole is slidably connected with the outer wall of a guide rod 9, a hollow groove is arranged at the bottom of the base 1, and a guide rod 9 is fixedly connected with the inner wall of the hollow groove, cylindrical 8's top fixedly connected with Y template 10, Y template 10 can support the trunnion 12 of different length, two spacing grooves have been seted up at base 1's top, the inner wall of two spacing grooves respectively with two cylindrical 8's outer wall sliding connection, four bar grooves have been seted up to Y template 10's outer wall, the equal sliding connection in inner wall in four bar grooves has ball 11, the outer wall sliding connection of ball 11 has trunnion 12, base 1's top fixedly connected with U template 13, the outer wall of U template 13 is equipped with adjustment mechanism.
As shown in fig. 1 and 3, the adjusting mechanism includes a movable plate 15, a threaded hole is formed in an outer wall of the movable plate 15, a bolt 18 is in threaded connection with an inner wall of the threaded hole, the bolt 18 is rotated to fix the position of the dial indicator 17, two sliding grooves are formed in an outer wall of the U-shaped plate 13, sliding blocks 14 are connected inside the two sliding grooves in a sliding manner, the bottom of each sliding block 14 is fixedly connected with the top of the movable plate 15, an elongated groove is formed in the outer wall of the movable plate 15, a square block is connected to the inner wall of the elongated groove in a sliding manner, a mounting rod 16 is fixedly connected to the bottom of the square block, one end of the bolt 18 presses the mounting rod 16, the bottom of the mounting rod 16 is fixedly connected with the dial indicator 17, and the dial indicator 17 moves downward with the mounting rod 16 through the square block.
The working principle is as follows: when the main journals 12 with different lengths are supported, the motor 4 rotates to enable the vertical shaft 5 to rotate, the vertical shaft 5 rotates to enable the rotating rod 6 to rotate, the rotating rod 6 rotates to enable the two connecting rods 7 to move inwards, the connecting rods 7 move inwards to enable the cylinders 8 to move inwards, the cylinders 8 move inwards through the limiting grooves and the guide rods 9, and therefore the Y-shaped plates 10 move inwards, when the main journals 12 with different lengths are supported and detected, the movable plate 15 is slid through the slide block 14 and the chute, the dial indicator 17 is moved to the upper part of the main journal 12, and the dial indicator 17 moves downwards through the square block and the mounting rod 16, so that the testing end contacts the outer wall of the main journal 12, the bolt 18 is rotated to fix the position of the dial indicator 17, meanwhile, the main journal 12 is rotated through the balls 11 and the Y-shaped plate 10, the main journal 12 is conveniently detected, and manual repeated operation is avoided.
The above descriptions are only preferred embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to or changed within the scope of the present invention.
Claims (7)
1. The crankshaft journal detection device comprises a base (1) and is characterized in that four supports (2) are fixedly connected with the bottom of the base (1), a protection frame (3) is fixedly connected with the bottom of the base (1), a motor (4) is fixedly connected with the inside of the protection frame (3), a vertical shaft (5) is fixedly connected with the top of an output shaft of the motor (4), a rotating rod (6) is fixedly connected with the top of the vertical shaft (5), grooves are formed in both ends of the rotating rod (6), a connecting rod (7) is rotatably connected with the inner walls of the grooves, a cylinder (8) is rotatably connected with one end of the connecting rod (7), an empty groove is formed in the bottom of the base (1), a guide rod (9) is fixedly connected with the inner walls of the empty groove, a Y-shaped plate (10) is fixedly connected with the top of the cylinder (8), and four strip-shaped grooves are formed in the outer wall of the Y-shaped plate (10), the inner walls of the four strip-shaped grooves are all connected with balls (11) in a sliding mode, the outer walls of the balls (11) are connected with main journals (12) in a sliding mode, the top of the base (1) is fixedly connected with a U-shaped plate (13), and the outer wall of the U-shaped plate (13) is provided with an adjusting mechanism.
2. The crankshaft journal detection device according to claim 1, wherein the adjusting mechanism includes a movable plate (15), two sliding grooves are formed in the outer wall of the U-shaped plate (13), sliding blocks (14) are connected inside the two sliding grooves in a sliding manner, the bottoms of the sliding blocks (14) are fixedly connected with the top of the movable plate (15), an elongated groove is formed in the outer wall of the movable plate (15), a square block is connected to the inner wall of the elongated groove in a sliding manner, a mounting rod (16) is fixedly connected to the bottom of the square block, and a dial indicator (17) is fixedly connected to the bottom of the mounting rod (16).
3. The crankshaft journal detection device according to claim 1, characterized in that a round hole is formed in the bottom of the base (1), and the inner wall of the round hole is rotatably connected with the outer wall of the output shaft of the motor (4).
4. The crankshaft journal detection device according to claim 1, characterized in that the outer wall of the cylinder (8) is provided with a round hole, and the inner wall of the round hole is connected with the outer wall of the guide rod (9) in a sliding manner.
5. The crankshaft journal detection device according to claim 1, characterized in that two limiting grooves are formed in the top of the base (1), and the inner walls of the two limiting grooves are slidably connected with the outer walls of the two cylinders (8).
6. The crankshaft journal detection device according to claim 2, characterized in that the outer wall of the moving plate (15) is provided with a threaded hole, and the inner wall of the threaded hole is connected with a bolt (18) in a threaded manner.
7. A crankshaft journal detection device according to claim 6 characterized in that one end of the bolt (18) presses the mounting rod (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220124068.0U CN216593143U (en) | 2022-01-18 | 2022-01-18 | Crankshaft journal detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220124068.0U CN216593143U (en) | 2022-01-18 | 2022-01-18 | Crankshaft journal detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216593143U true CN216593143U (en) | 2022-05-24 |
Family
ID=81634398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220124068.0U Active CN216593143U (en) | 2022-01-18 | 2022-01-18 | Crankshaft journal detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216593143U (en) |
-
2022
- 2022-01-18 CN CN202220124068.0U patent/CN216593143U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112747657B (en) | Bearing clearance detection system and detection method thereof | |
| CN110160454A (en) | A kind of bearing assembly clearance on-line measurement machine and its clearance measurement method | |
| CN115235402A (en) | High-precision detection machine | |
| CN110160453A (en) | A kind of bearing internal external circle channel measuring machine and its measurement method | |
| CN216593143U (en) | Crankshaft journal detection device | |
| CN107339967B (en) | Roundness measuring instrument | |
| CN219776604U (en) | Coaxiality detecting gauge | |
| CN216645305U (en) | Core appearance straightness measurement system that hangs down | |
| CN216593318U (en) | Slender shaft workpiece ball head roundness detection device | |
| CN215177403U (en) | Circle run-out length measuring instrument | |
| CN114777706A (en) | High-precision measuring device for rotation precision of double-row cylindrical roller bearing | |
| CN211528181U (en) | Point contact friction wear testing machine for measuring surface of cylindrical microstructure | |
| CN210665059U (en) | Automatic measuring and clamping workbench for slewing bearing | |
| CN112857179A (en) | Multifunctional inner ring inner diameter detector convenient for multi-size detection | |
| CN216432806U (en) | Pipeline measuring apparatu in steel pipe | |
| CN110631989A (en) | Horizontal friction and wear testing machine for detecting surface of cylindrical microstructure | |
| CN213090661U (en) | Roundness detection scriber for water pump runner chamber | |
| CN220893289U (en) | Be used for roller processing to use test machine | |
| CN218329806U (en) | Measuring equipment for shape error of inner hole of part | |
| CN221630618U (en) | Measuring device for measuring roundness and cylindricity of main shaft sleeve | |
| CN216694759U (en) | Bearing lantern ring diameter detection device with stable clamping | |
| CN220136353U (en) | Detection ruler for construction engineering management | |
| CN219265168U (en) | Quick measuring ruler for size of precision mechanical part | |
| CN216898646U (en) | Precision measuring device for machining air condition compressor crankshaft | |
| CN209246927U (en) | A kind of tubing axial twist error detecting apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |