CN218781744U

CN218781744U - Online measuring device for crankshaft eccentricity

Info

Publication number: CN218781744U
Application number: CN202222726175.3U
Authority: CN
Inventors: 钱梅; 陈中华
Original assignee: Wuxi Junya Machinery Co ltd
Current assignee: Wuxi Junya Machinery Co ltd
Priority date: 2022-10-17
Filing date: 2022-10-17
Publication date: 2023-03-31
Anticipated expiration: 2032-10-17

Abstract

The utility model discloses a crankshaft eccentricity on-line measuring device, including a supporting bench, a supporting bench's fixed surface installs two support frames, and a supporting bench's fixed surface installs the regulating box, and the inside of regulating box is rotated and is connected with the threaded rod, and the surface threaded connection of threaded rod has the regulating plate, and the regulating box is run through on the top of regulating plate and extends to the outside, and the through end fixed mounting of regulating plate has the locating plate, and the locating plate surface is seted up flutedly, the utility model has the advantages of it is following: rotate through the drive threaded rod to the regulating plate carries out position shift in regulating box inside, and the regulating plate drives the locating plate and removes, and then drives the inside installation digital display percentage table of guide block and carry out position shift, is convenient for remove the digital display percentage table to the crankshaft surface measurement to be measured's place, avoids artifical frequent removal digital display percentage table position, reduces staff's the amount of labour.

Description

Online measuring device for crankshaft eccentricity

Technical Field

The utility model relates to a bent axle measurement technical field, concretely relates to bent axle eccentricity on-line measuring device.

Background

The crankshaft is the most important part of the engine, and the crankshaft bears the force transmitted by the connecting rod and converts the force into torque to be output through the crankshaft and drive other accessories on the engine to work.

The existing manufacturers need to measure the eccentricity of the produced crankshaft after manufacturing the crankshaft, and detect whether the eccentricity of the crankshaft reaches the factory standard, the existing method for measuring the eccentricity of the crankshaft mainly comprises the steps of manually striking the gauge head of the digital display dial indicator on the circumference of the crankshaft to be measured, rotating the chuck by hand, finding out the highest point and the lowest point of the crankshaft, and then calculating to obtain the length of the eccentricity of the crankshaft.

When the crankshaft surface is measured manually through the digital display dial indicator, different positions of the crankshaft surface need to be measured, the crankshaft dial indicator needs to be moved frequently by workers, and the labor amount of the workers is increased.

Therefore, the online crankshaft eccentricity measuring device is designed and produced so as to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a bent axle eccentricity on-line measuring device to solve the problem in the above-mentioned background art.

The utility model provides a technical scheme that technical problem adopted is: the utility model relates to a bent axle eccentricity on-line measuring device, include: a supporting bench, two support frames are installed to a supporting bench's fixed surface, a supporting bench's fixed surface installs the regulating box, the inside rotation of regulating box is connected with the threaded rod, the surperficial threaded connection of threaded rod has the regulating plate, the top of regulating plate is run through the regulating box and is extended to the outside, the through end fixed mounting of regulating plate has the locating plate, the locating plate surface is seted up flutedly, the inside fixed mounting of recess has the down tube, the surface slip of down tube has cup jointed the locating piece, the one end fixed mounting of locating piece has the guide block, the inside fixed mounting of guide block has the digital display percentage table, rotates through the drive threaded rod to the regulating plate carries out the position at the regulating box inside and removes, and the regulating plate drives the locating plate and removes, and then drives the inside digital display percentage table of guide block and carry out the position removal, is convenient for remove the digital display percentage table to the crankshaft surface measurement's place, avoids artifical frequent removal percentage table position, reduces staff's the amount of labour.

As an optimal technical scheme of the utility model, the fixed surface of brace table installs three-jaw chuck, three-jaw chuck is located the one end of two support frames, two the bent axle has been placed on the surface of support frame, inside the one end joint three-jaw chuck of bent axle, carry out the supporting role to the bent axle through the support frame, rotate the bent axle through three-jaw chuck.

As an optimal technical scheme of the utility model, the inside fixed mounting of regulating box has two slide bars, two the inside of slide bar slip grafting regulating plate, the side fixed mounting of regulating box has first motor, first motor is located one side of threaded rod, rotates through first motor to the threaded rod and provides the drive, provides spacing effect through two slide bars to the removal of regulating plate.

As a preferred technical scheme of the utility model, the top fixed mounting of locating plate has the locating rack, the one end fixed mounting of locating rack has electric telescopic handle, electric telescopic handle's one end fixed connection guide block's side, through electric telescopic handle's flexible regulation, the incline direction that prolongs the guide block down the down tube removes to on guide block internally mounted's digital display percentage table head contact crankshaft's the circumference, the staff records crankshaft peak and minimum again, reaches the purpose to crankshaft eccentricity measurement.

As an optimal technical scheme of the utility model, the longitudinal section of support frame is "V" shape setting, and the support frame of being convenient for supports the bent axle.

As an optimal technical scheme of the utility model, the surface of down tube is smooth setting, and the locating piece of being convenient for removes on the down tube surface.

The utility model has the advantages of it is following:

the utility model discloses a drive threaded rod rotates to the regulating plate carries out position shift in the regulating box inside, and the regulating plate drives the locating plate and moves, and then drives the inside installation digital display percentage table of guide block and carries out position shift, is convenient for remove the digital display percentage table to the place that the measuring volume was measured on the bent axle surface, avoids artifical frequent removal digital display percentage table position, reduces staff's the amount of labour; and then, the guide block is moved downwards along the inclined direction of the inclined rod through the telescopic adjustment of the electric telescopic rod, so that the head of a digital display dial indicator arranged inside the guide block is in contact with the circumference of the crankshaft, and a worker records the highest point and the lowest point of the crankshaft again to achieve the purpose of measuring the eccentricity of the crankshaft.

Drawings

Fig. 1 is a schematic view of an overall structure of an online measuring device for crankshaft eccentricity according to a preferred embodiment of the present invention;

fig. 2 is a schematic perspective view of a three-jaw chuck and a support frame of an online measuring device for crankshaft eccentricity according to a preferred embodiment of the present invention;

fig. 3 is a schematic perspective view of an adjusting plate and a threaded rod of an online measuring device for crankshaft eccentricity according to a preferred embodiment of the present invention.

Description of the reference numerals: 1. a support table; 2. a support frame; 3. an adjusting box; 4. a threaded rod; 5. an adjusting plate; 6. positioning a plate; 7. a diagonal rod; 8. positioning blocks; 9. a guide block; 10. digital display dial indicator; 11. a three-jaw chuck; 12. a crankshaft; 13. a slide bar; 14. a positioning frame; 15. an electric telescopic rod.

Detailed Description

The technical solution of the present invention will be clearly and completely described with reference to the accompanying drawings. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

The present invention will be further explained with reference to the accompanying drawings.

Example 1

Referring to fig. 1-3, the present invention provides an online measuring device for crankshaft eccentricity, comprising: brace table 1, brace table 1's fixed surface installs two support frames 2, brace table 1's fixed surface installs regulating box 3, the internal rotation of regulating box 3 is connected with threaded rod 4, threaded rod 4's surperficial threaded connection has regulating plate 5, regulating plate 5's top is run through regulating box 3 and is extended to the outside, regulating plate 5's the fixed mounting that runs through has locating plate 6, locating plate 6 surface is seted up flutedly, the internal fixed mounting of recess has down tube 7, locating piece 8 has been cup jointed in the surface sliding of down tube 7, the one end fixed mounting of locating piece 8 has guide block 9, the internal fixed mounting of guide block 9 has digital display percentage table 10, rotate through drive threaded rod 4, regulating plate 5 carries out the position at regulating box 3 inside and removes, regulating plate 5 drives locating plate 6 and removes, and then drive guide block 9 internal mounting digital display percentage table 10 and carry out the position and remove, be convenient for remove digital display percentage table 10 to the measuring place on bent axle 12 surface, avoid artifical frequent removal of digital display percentage table 10 position, reduce staff's the amount of labour.

Wherein, the surface of a supporting bench 1 is fixedly installed to three-jaw chuck 11, three-jaw chuck 11 is located the one end of two support frames 2, the surface of support frame 2 is placed to bent axle 12, the one end of bent axle 12 is connected to the inside joint of three-jaw chuck 11, carries out the supporting role to bent axle 12 through support frame 2, rotates bent axle 12 through three-jaw chuck 11.

Example 2

Referring to fig. 1-3, the difference from embodiment 1 is:

the two sliding rods 13 are slidably inserted into the adjusting box 3, the sliding rods 13 are slidably inserted into the adjusting plate 5, a first motor is fixedly mounted on the side face of the adjusting box 3, the first motor is located on one side of the threaded rod 4, the threaded rod 4 is driven to rotate through the first motor, the two sliding rods 13 are used for limiting movement of the adjusting plate 5, the positioning frame 14 is fixedly mounted at the top of the positioning plate 6, the electric telescopic rod 15 is fixedly mounted at one end of the positioning frame 14, the side face of the guide block 9 is fixedly connected with one end of the electric telescopic rod 15, the guide block 9 is moved downwards along the inclination direction of the inclined rod 7 through telescopic adjustment of the electric telescopic rod 15, the head of a digital display dial indicator 10 mounted inside the guide block 9 is in contact with the circumference of the crankshaft 12, a worker records the highest point and the lowest point of the crankshaft 12 again, the purpose of measuring the eccentricity of the crankshaft 12 is achieved, the longitudinal section of the supporting frame 2 is arranged in a V shape, the supporting frame 2 is convenient to support the crankshaft 12, the surface of the inclined rod 7 is arranged smoothly, and the positioning block 8 can be moved on the surface of the inclined rod 7 conveniently.

The working principle is as follows: when a worker places the crankshaft 12 on the surfaces of the two support frames 2, and one end of the crankshaft 12 is inserted into the three-jaw chuck 11, firstly, the crankshaft 12 is adjusted through stretching and retracting of the electric telescopic rod 15, the guide block 9 is moved downwards along the inclined direction of the inclined rod 7, so that the head of the digital display dial indicator 10 mounted inside the guide block 9 is in contact with the circumference of the crankshaft 12, the worker records the highest point and the lowest point of the crankshaft 12 again, when other parts on the surface of the crankshaft 12 are measured, the electric telescopic rod 15 adjusts the position of the guide block 9, so that the head of the digital display dial indicator 10 is separated from the surface of the crankshaft 12, the threaded rod 4 is driven to rotate by the first motor, the adjusting plate 5 moves inside the adjusting box 3, the adjusting plate 5 drives the positioning plate 6 to move, the digital display dial indicator 10 mounted inside the guide block 9 is driven to move, the digital display dial indicator 10 is convenient to move to the place on the surface of the crankshaft 12 to be measured, manual movement of the digital display dial indicator 10 is avoided, and the labor amount of the worker is reduced.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Other parts not described in detail in the present invention belong to the prior art, and are not described herein again.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. The utility model provides a crankshaft eccentricity on-line measuring device, includes brace table (1), its characterized in that: the utility model discloses a supporting bench, including brace table (1), the fixed surface of brace table (1) installs two support frames (2), the fixed surface of brace table (1) installs regulating box (3), the internal rotation of regulating box (3) is connected with threaded rod (4), the surface thread connection of threaded rod (4) has regulating plate (5), the top of regulating plate (5) is run through regulating box (3) and is extended to the outside, the through end fixed mounting of regulating plate (5) has locating plate (6), locating plate (6) surface set up flutedly, the inside fixed mounting of recess has down tube (7), locating piece (8) have been cup jointed in the surface slip of down tube (7), the one end fixed mounting of locating piece (8) has guide block (9), the inside fixed mounting of guide block (9) has digital display percentage table (10).

2. An online crankshaft eccentricity measuring device according to claim 1, wherein a three-jaw chuck (11) is fixedly mounted on the surface of the supporting table (1), the three-jaw chuck (11) is located at one end of two supporting frames (2), a crankshaft (12) is placed on the surface of the two supporting frames (2), and one end of the crankshaft (12) is clamped inside the three-jaw chuck (11).

3. An online crankshaft eccentricity measuring device according to claim 1, wherein two sliding rods (13) are fixedly mounted inside the adjusting box (3), the two sliding rods (13) are slidably inserted into the adjusting plate (5), a first motor is fixedly mounted on the side surface of the adjusting box (3), and the first motor is located on one side of the threaded rod (4).

4. A crankshaft eccentricity online measuring device according to claim 1, wherein a locating rack (14) is fixedly mounted at the top of the locating plate (6), an electric telescopic rod (15) is fixedly mounted at one end of the locating rack (14), and one end of the electric telescopic rod (15) is fixedly connected with the side surface of the guide block (9).

5. An on-line measuring device for crankshaft eccentricity as claimed in claim 1, characterized in that the longitudinal section of the supporting frame (2) is arranged in a "V" shape.

6. An online crankshaft eccentricity measuring device according to claim 1, wherein the surface of the angle rod (7) is smooth.