CN219319342U

CN219319342U - Eccentric crankshaft detector

Info

Publication number: CN219319342U
Application number: CN202223280691.4U
Authority: CN
Inventors: 辛华伟; 陈敏虎
Original assignee: Changzhou Kailei Casting And Forging Co ltd
Current assignee: Changzhou Kailei Casting And Forging Co ltd
Priority date: 2022-12-08
Filing date: 2022-12-08
Publication date: 2023-07-07
Anticipated expiration: 2032-12-08

Abstract

The utility model discloses an eccentric crankshaft detector which comprises a mounting frame, wherein one side of the mounting frame is fixedly connected with a shell through bolts, the bottom of the inner wall of the shell is fixedly connected with a controller through bolts, the bottom of the mounting frame is fixedly connected with a plurality of support rods through bolts, and the inner walls of the two sides of the mounting frame are respectively and movably connected with a three-jaw chuck. When the crank is used, the crank is fixed between the two three-jaw chucks, the first clamping block and the second clamping block are clamped at the connecting rod of the crank, the rotating handle is rotated, the crank rotates to drive the connecting plate, the piston rod and the piston to move up and down, the light-emitting plate emits light, the photosensitive sensor receives illumination signals at the position where the piston reaches the highest point, the eccentricity is calculated by the controller, the connecting shaft of the three-jaw chucks is prolonged according to crankshafts with different sizes, the crankshafts are clamped and slide blocks stay at the corresponding positions, the crank is detected, and the eccentricity of the crankshafts with different sizes can be detected.

Description

Eccentric crankshaft detector

Technical Field

The utility model relates to the technical field of crankshaft detection, in particular to an eccentric crankshaft detector.

Background

The crankshaft is the most important component in an engine. The engine is used for bearing the force transmitted by the connecting rod, converting the force into torque, outputting the torque through the crankshaft and driving other accessories on the engine to work. The crankshaft is subjected to the combined action of centrifugal force of the rotating mass, periodically-changed gas inertia force and reciprocating inertia force, so that the crankshaft is subjected to bending torsion load. Therefore, the crankshaft is required to have enough strength and rigidity, and the journal surface needs to be wear-resistant, uniform in work and good in balance.

The processing requirement of the crankshaft is extremely high, the processing precision of the crankshaft is related to the running smoothness and oil consumption of the engine and the vibration of the engine during working, and when a common eccentric crankshaft detector is used, various crankshafts with different sizes cannot be detected, so that the convenience of crankshaft detection is reduced, the practicability is reduced, and the actual requirements cannot be met.

Disclosure of Invention

The utility model aims to solve the defects that various crankshafts with different sizes cannot be detected when a common eccentric crankshaft detector is used in the prior art, and convenience in crankshaft detection is reduced.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides an eccentric crankshaft detector, includes the mounting bracket, bolt fixedly connected with shell is passed through to one side of mounting bracket, bolt fixedly connected with controller is passed through to shell inner wall bottom, bolt fixedly connected with a plurality of bracing pieces are passed through to the bottom of mounting bracket, respectively swing joint has three jaw chuck on the both sides inner wall of mounting bracket, through bolt fixedly connected with bent axle between two three jaw chucks, two slide rails of bolt fixedly connected with are passed through to the bottom of mounting bracket, the bottom swing joint of slide rail has the slider, bolt fixedly connected with mount is passed through to the bottom of slider, bolt fixedly connected with sleeve is passed through to the bottom of mount, bolt fixedly connected with luminescent plate and photosensitive sensor are passed through respectively to telescopic both sides, telescopic inside swing joint has the piston, bolt fixedly connected with piston rod is passed through at the top of piston rod, the one end swing joint of piston rod has the connecting plate, the first clamp splice of one side swing joint second clamp splice of connecting plate.

As a still further proposal of the utility model, the outer wall of the shell is fixedly connected with a screen through bolts.

As a still further proposal of the utility model, the outer wall of the shell is fixedly connected with a key through a bolt.

As a still further proposal of the utility model, one end of the supporting rod is fixedly connected with a rubber pad through a bolt.

As a still further proposal of the utility model, one end of the rotary handle is sleeved with a handle sleeve.

As a still further aspect of the present utility model, a clamping bolt is screwed to one side of the first clamping block.

As a still further scheme of the utility model, the bottom of the sliding block is connected with a positioning bolt in a threaded manner.

The beneficial effects of the utility model are as follows:

1. when the crank is used, the crank shaft is fixed between the two three-jaw chucks, the first clamping block and the second clamping block are clamped at the connecting rod of the crank shaft, the light-emitting plate is started, the rotating handle is rotated, the crank shaft rotates to drive the connecting plate, the piston rod and the piston to move up and down, the light-emitting plate emits light, the position of the piston at the highest point is reached, the photosensitive sensor receives illumination signals at the corresponding position, the controller calculates the eccentricity, the connecting shaft of the three-jaw chucks is prolonged according to the crank shaft with different sizes, the crank shaft is clamped, the sliding block stays at the corresponding position, the crank shaft is detected, and the eccentricity of the crank shaft with different sizes can be detected.

2. Due to the design of the first clamping block and the second clamping block, the crankshaft and the monitoring device are conveniently connected when different parts of the crankshaft are detected.

3. Because of the design of the rotating handle, the screen and the keys, the crankshaft is rotated manually, and meanwhile, the data on the screen is conveniently observed, and the switch of the light-emitting plate is controlled.

Drawings

FIG. 1 is a schematic diagram of a front view of an eccentric crankshaft detector according to the present utility model;

FIG. 2 is a schematic cross-sectional view of an eccentric crankshaft detector according to the present utility model;

fig. 3 is a schematic diagram of a partial enlarged structure of an eccentric crankshaft detector according to the present utility model.

In the figure: 1. a mounting frame; 2. a screen; 3. a key; 4. a housing; 5. a rubber pad; 6. a support rod; 7. a three-jaw chuck; 8. a crankshaft; 9. rotating the handle; 10. a handle sleeve; 11. a controller; 12. a slide rail; 13. a first clamping block; 14. clamping a bolt; 15. a second clamping block; 16. a connecting plate; 17. a slide block; 18. positioning bolts; 19. a fixing frame; 20. a light emitting panel; 21. a piston; 22. a sleeve; 23. a piston rod; 24. a photosensitive sensor.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. It should be noted that the terms "mounted," "connected," and "disposed" are to be construed broadly, unless explicitly stated or defined otherwise, and that the particular meaning of such terms in this patent will be understood by those of ordinary skill in the art, as appropriate.

Referring to fig. 1-3, an eccentric crankshaft detector comprises a mounting frame 1, one side of the mounting frame 1 is fixedly connected with a shell 4 through bolts, the bottom of the inner wall of the shell 4 is fixedly connected with a controller 11 through bolts, the bottom of the mounting frame 1 is fixedly connected with a plurality of support rods 6 through bolts, three-jaw chucks 7 are respectively and movably connected with two side inner walls of the mounting frame 1, sliding grooves are clamped on the three-jaw chucks 7, clamping blocks are installed, a crankshaft 8 is fixedly connected between the two three-jaw chucks 7 through bolts, the bottom of the mounting frame 1 is fixedly connected with two sliding rails 12 through bolts, the bottom of the sliding rails 12 is movably connected with a sliding block 17, the bottom of the sliding block 17 is fixedly connected with a fixing frame 19 through bolts, the bottom of the fixing frame 19 is provided with a mounting hole, the bottom of the fixing frame 19 is fixedly connected with a sleeve 22 through bolts, gaps are formed in the sleeve 22, two sides of the sleeve 22 are respectively and fixedly connected with a light-emitting plate 20 and a photosensitive sensor 24 through bolts, a piston 21 is movably connected with the top of the sleeve 22 through bolts, one end of the piston 23 is movably connected with a connecting plate 16, one end of the piston rod 16 is movably connected with a first clamping block 13, one end of the connecting plate 16 is movably connected with a second clamping block 13, and the second clamping block 13 is movably connected with a first side 15.

According to the utility model, the screen 2 is fixedly connected to the outer wall of the shell 4 through bolts, the key 3 is fixedly connected to the outer wall of the shell 4 through bolts, one end of the supporting rod 6 is fixedly connected with the rubber pad 5 through bolts, and the rubber pad 5 has the function of stabilizing the installation frame 1.

In particular, the handle sleeve 10 is sleeved at one end of the rotating handle 9, the handle sleeve 10 is used for increasing friction, the clamping bolt 14 is connected to one side of the first clamping block 13 in a threaded manner, the positioning bolt 18 is connected to the bottom of the sliding block 17 in a threaded manner, and the positioning bolt 18 enables the sliding block 17 to be stable in position.

Working principle: when the crankshaft 8 is used, the crankshaft 8 is fixed between the two three-jaw chucks 7, the first clamping block 13 and the second clamping block 15 are clamped at the connecting rod of the crankshaft 8, the light-emitting plate 20 is started, the rotating handle 9 is rotated, the crankshaft 8 rotates to drive the connecting plate 16, the piston rod 23 and the piston 21 to move up and down, the light-emitting plate 20 emits light, the light-sensitive sensor 24 receives illumination signals at the corresponding position when the piston 21 reaches the highest point, the eccentricity is calculated through the controller 11, the connecting shafts of the three-jaw chucks 7 are prolonged according to the crankshafts 8 with different sizes, the crankshafts 8 are clamped tightly, the sliding slide blocks 17 stay at the corresponding positions, and the crankshaft 8 is detected.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. An eccentric crankshaft detector comprises a mounting frame (1), and is characterized in that one side fixedly connected with shell (4) of mounting frame (1), shell (4) inner wall bottom fixedly connected with controller (11), the bottom fixedly connected with of mounting frame (1) a plurality of bracing pieces (6), be connected with three-jaw chuck (7) on the both sides inner wall of mounting frame (1) respectively in a rotating way, fixedly connected with bent axle (8) between two three-jaw chuck (7), the one end of bent axle (8) is provided with rotation handle (9), the bottom fixedly connected with two slide rails (12) of mounting frame (1), the bottom sliding connection of slide rail (12) has slider (17), the bottom fixedly connected with mount (19) of slider (17), the bottom fixedly connected with sleeve (22) of mount (19), the both sides of sleeve (22) are fixedly connected with luminescent plate (20) and photosensitive sensor (24) respectively, the inside sliding connection of sleeve (22) has piston (21), the top fixedly connected with of piston (21) two slide rails (12) respectively, the bottom fixedly connected with connecting plate (16) of piston (16) has one end of rotation connecting plate (16), one side of the first clamping block (13) is rotatably connected with a second clamping block (15).

2. An eccentric crankshaft detector as in claim 1, wherein the outer wall of the housing (4) is fixedly connected with a screen (2).

3. An eccentric crankshaft detector as in claim 1, wherein the outer wall of the housing (4) is fixedly connected with a key (3).

4. An eccentric crankshaft detector as in claim 1, wherein one end of the support rod (6) is fixedly connected with a rubber pad (5).

5. An eccentric crank detector according to claim 1, characterized in that one end of the turning handle (9) is sleeved with a handle sleeve (10).

6. An eccentric crankshaft detector as claimed in claim 1, wherein a clamping bolt (14) is screwed to one side of the first clamping block (13).

7. An eccentric crankshaft detector according to claim 1, characterized in that the bottom of the slider (17) is screwed with a positioning bolt (18).