CN217980169U

CN217980169U - Coaxiality gauge

Info

Publication number: CN217980169U
Application number: CN202222490161.6U
Authority: CN
Inventors: 张雅; 张维峰
Original assignee: Jiangsu Pessen Precision Machinery Co ltd
Current assignee: Jiangsu Pessen Precision Machinery Co ltd
Priority date: 2022-09-20
Filing date: 2022-09-20
Publication date: 2022-12-06
Anticipated expiration: 2032-09-20

Abstract

The utility model relates to the field of workpiece checking tools, in particular to a coaxiality checking tool, which comprises a base, wherein the base is fixedly arranged on a working plane, a double-roller assembly is arranged on the upper part of the double-roller assembly, a first round roller and a second round roller are arranged on the upper part of the double-roller assembly, and the first round roller and the second round roller rotate in the same direction; the pressing component is rotationally arranged on the base, a pressing roller is arranged at the pressing end, and the pressing roller is positioned right above the workpiece to be detected; the measuring assembly is arranged on the base in a sliding mode and can approach or depart from the double-roller assembly when sliding; drive assembly, drive assembly fixed set up in on the base, drive assembly utilizes the round roller to roll, drives and is surveyed the work piece and rolls, observes the roll condition of being surveyed the work piece through the dial plate, reachs whether in the allowable error range by survey work piece axiality error, can accomplish the measurement of the cylindrical surface axiality of being surveyed the work piece, the utility model discloses the simple operation, with low costs, occupation space is little, and convenient transport can dispose at the processing line optional position.

Description

Coaxiality gauge

Technical Field

The utility model relates to an utensil field is examined to the work piece, especially relates to an utensil is examined to axiality.

Background

The application of part coaxiality detection is very common in the machining industry, the coaxiality refers to the positioning deviation between the axis of a reference cylindrical surface and the axis of a measuring cylindrical surface, the detection modes are various according to the precision grade requirements and the structures of parts, three-coordinate detection is mostly adopted in the industry at present, and the defects of long detection time, high cost and inconvenience in operation are overcome.

The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information constitutes prior art already known to a person skilled in the art.

SUMMERY OF THE UTILITY MODEL

The utility model provides an utensil is examined to axiality to effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the technical scheme that: a coaxiality gauge comprising:

the base is fixedly arranged on the working plane;

the upper part of the double-roller assembly is provided with a first round roller and a second round roller which rotate in the same direction;

the pressing assembly is rotatably arranged on the base, a pressing roller is arranged at the pressing end, and the pressing roller is positioned right above the workpiece to be detected;

a measuring assembly slidably disposed on the base, the measuring assembly being slidable toward or away from the twin roll assembly;

and the driving assembly is fixedly arranged on the base, drives the double-roller assembly to rotate, drives the workpiece to be measured to rotate, and can complete the measurement of the coaxiality of the cylindrical surface of the workpiece to be measured.

Furthermore, the sizes of the first round roller and the second round roller are equal, and the workpiece to be measured is positioned on a perpendicular bisector connected with the circle centers of the first round roller and the second round roller.

Further, the twin roll assembly further comprises:

a support disposed on an opposite side of the measurement assembly;

the first rotating shaft and the second rotating shaft are rotatably arranged in the support, and the first round roller and the second round roller are respectively arranged on one side of the first rotating shaft and one side of the second rotating shaft;

the first belt pulley and the second belt pulley are respectively arranged on the outer sides of the first rotating shaft and the second rotating shaft.

Furthermore, a through groove with an inclined plane section and a straight plane section is arranged above the support.

Furthermore, an adjusting cushion block is arranged below the support.

Further, the compression assembly further comprises:

a press seat vertically disposed on either side of the twin roll assembly;

the pressing rod is rotatably arranged on the pressing seat, and the pressing roller is arranged at the head of the pressing rod.

Furthermore, a rectangular through groove is formed in the top of the head of the pressing seat, a through hole is formed in one side, close to the first round roller, of the top of the pressing seat, a pit is formed in one side, far away from the first round roller, of the bottom of the rectangular through groove, and a spring is arranged on the pit.

Furthermore, the pressing rod is rotatably arranged on the rectangular through groove of the pressing seat, a swing rod is arranged at the bottom of the pressing rod, a rotating shaft is arranged on the pressing rod, and the pressing rod can rotate along the rotating shaft.

Further, the measurement assembly includes:

the guide rail is horizontally arranged on the opposite side of the first round roller and the second round roller along the length direction of the guide rail, and one side of the guide rail is flush with one side of the base;

the first limiting block is arranged on the side face of the base, and the top of the first limiting block is positioned on the end face of the guide rail;

the second limiting block is arranged at the other end of the guide rail;

the sliding seat is arranged on the guide rail in a sliding manner;

the workbench is arranged on the sliding seat;

the dial indicator comprises an indicator seat, a dial, a rotating arm and a probe, wherein the indicator seat is adsorbed on the workbench through a magnet;

furthermore, the guide rail bilateral symmetry is equipped with the spout, the spout includes first circular arc section and first horizontal segment.

Further, the slide is inside set up with guide structure of guide rail sliding fit, guide structure includes second circular arc section and second horizontal segment, the slide both ends are provided with and keep away the sky section.

Further, the driving assembly includes:

the third rotating shaft is rotatably arranged below a perpendicular bisector connected with the circle centers of the first rotating shaft and the second rotating shaft;

the third belt pulley is arranged on the third rotating shaft on the same side as the first belt pulley;

the rotating disc is arranged on the third belt pulley;

the first transmission belt is arranged on the first belt pulley and the third belt pulley, and the second transmission belt is arranged on the second belt pulley and the third belt pulley.

Furthermore, a grab handle is arranged on the outer side of the rotating disc and can be manually shaken or driven by a motor to rotate.

Furthermore, the bottom of the base is provided with a standing foot, and the side surface of the base is provided with a handle.

The utility model has the advantages that: the utility model discloses set up base, two roller subassemblies, compress tightly the subassembly, measuring component and drive assembly, two roller subassembly upper portion is equipped with first round roller and second round roller, first round roller with second round roller syntropy is rotatory, the work piece is located the perpendicular bisector that first round roller and second round roller centre of a circle are connected, the tight gyro wheel is located the work piece directly over being surveyed, drive assembly drives the work piece rotation of being surveyed, measuring component slides and can be close to or keep away from two roller subassemblies, utilize the round roller to roll, drive the work piece roll of being surveyed, observe the roll condition of being surveyed through the dial plate, whether reachs the work piece axiality error of being surveyed and be in the allowable error range, can accomplish the measurement of the cylindrical surface axiality of being surveyed work piece; the utility model discloses the simple operation, it is with low costs, occupation space is little, and convenient transport can dispose at the processing line optional position.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of a coaxiality gauge clamping a measurement workpiece;

FIG. 2 is an exploded view of the coaxiality gauge;

FIG. 3 is a front view of the concentricity gauge;

FIG. 4 is a top view of the coaxiality gauge;

FIG. 5 is a left side view of the coaxiality gauge;

FIG. 6 is a schematic view of the carriage;

FIG. 7 is an enlarged view taken at A in FIG. 2;

FIG. 8 is an enlarged view taken at B of FIG. 2;

FIG. 9 is an enlarged view at C of FIG. 5;

reference numerals are as follows: 1. a base; 11. standing; 12. a handle; 2. a twin roll assembly; 21. a first round roller; 22. a second round roller; 23. a support; 231. a slope section; 232. a straight section; 24. a first rotating shaft; 25. a second rotating shaft; 26. a first pulley; 27. a second pulley; 28. adjusting a cushion block; 3. a compression assembly; 31. pressing a base; 311. a rectangular through groove; 356. a shaft hole; 312. a pit; 32. a hold down bar; 33. pressing the roller; 34. a swing rod; 35. a spring; 36. a rotating shaft; 4. a measurement assembly; 41. a guide rail; 42. a first stopper; 43. a second limiting block; 44. a slide base; 441. an avoidance section; 45. a work table; 46. a chute; 461. a first arc segment; 462. a first horizontal segment; 47. a guide structure; 471. a second arc segment; 472. a second horizontal segment; 5. a drive assembly; 51. a third rotating shaft; 52. a third belt pulley 53, a rotating disc; 54. a first drive belt; 55. a second belt; 56. a grab handle; 6. a workpiece to be measured; 7. a dial indicator; 71. a gauge stand; 72. a dial plate; 73. a rotating arm; 74. and (4) a probe.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it should be noted that the directions or positional relationships indicated by "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like are based on the directions or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.

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, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; the connection may be direct or indirect through an intermediate medium, and may be a communication between the two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.

As shown in fig. 1 to 9: a coaxiality gauge comprising:

the device comprises a base 1, wherein the base 1 is fixedly arranged on a working plane;

a first round roller 21 and a second round roller 22 are arranged at the upper part of the double-roller assembly 2, and the first round roller 21 and the second round roller 22 rotate in the same direction;

the pressing component 3 is rotationally arranged on the base 1, a pressing roller 33 is arranged at the pressing end, and the pressing roller 33 is positioned right above the workpiece 6 to be detected;

a measuring assembly 4, wherein the measuring assembly 4 is arranged on the base 1 in a sliding manner, and the measuring assembly 4 can move close to or away from the double roller assembly 2 when sliding;

and the driving assembly 5 is fixedly arranged on the base 1, the driving assembly 5 drives the double-roller assembly 2 to rotate, the double-roller assembly 2 drives the workpiece to be measured 6 to rotate, and the measurement of the coaxiality of the cylindrical surface of the workpiece to be measured 6 can be completed.

By arranging the base 1, the double-roller assembly 2, the pressing assembly 3, the measuring assembly 4 and the driving assembly 5, the first round roller 21 and the second round roller 22 are arranged at the upper part of the double-roller assembly 2, the first round roller 21 and the second round roller 22 rotate in the same direction, the workpiece 6 to be measured is positioned on a midperpendicular line connected with the circle centers of the first round roller 21 and the second round roller 22, the pressing roller 33 is positioned right above the workpiece 6 to be measured, the driving assembly 5 drives the double-roller assembly 2 to rotate, the double-roller assembly 2 drives the workpiece 6 to be measured to rotate, the measuring assembly 4 can slide to be close to or far away from the double-roller assembly 3, the workpiece to be measured is driven to roll by utilizing the round rollers, the rolling condition of the workpiece to be measured is observed through a dial plate, whether the coaxiality error of the workpiece to be measured is within an allowable error range is obtained, and the coaxiality of the cylindrical surface of the workpiece 6 to be measured can be measured; the utility model has the advantages of convenient operation, low cost, small occupied space, convenient carrying and being capable of being configured at any position of a processing line;

in this embodiment, the first circular roller 21 and the second circular roller 22 have the same size, and the workpiece 6 to be measured is located on the midperpendicular where the centers of circles of the first circular roller 21 and the second circular roller 22 are connected.

The sizes of the first round roller 21 and the second round roller 22 are equal, the workpiece 6 to be measured is positioned on a perpendicular bisector connected with the circle centers of the first round roller 21 and the second round roller 22, the pressing roller 33 is positioned right above the workpiece 6 to be measured, the round rollers are used for rolling to drive the workpiece to be measured to roll, the rolling condition of the workpiece to be measured is observed through the dial plate, whether the coaxiality error of the workpiece to be measured is within an allowable error range is obtained, the display is visual, and the operation is convenient;

as a preference of the above embodiment, the twin roll assembly 2 further comprises:

a support 23, the support 23 being arranged on the opposite side of the measuring assembly 4;

the first rotating shaft 24 and the second rotating shaft 25 are rotatably arranged in the support 23, and the first round roller 21 and the second round roller 22 are respectively arranged on one side of the first rotating shaft 24 and one side of the second rotating shaft 2;

a first belt pulley 26 and a second belt pulley 27, the first belt pulley 26 and the second belt pulley 27 being respectively provided on the outer sides of the first rotating shaft 24 and the second rotating shaft 25.

Wherein, a through groove of the inclined plane section 231 and the straight plane section 232 is arranged above the support 23.

In order to ensure the accuracy during overturning, a shaft sleeve and a bearing are arranged in the rotating shaft through the first rotating shaft 24 and the second rotating shaft 25, and a measuring workpiece is ensured to be stably carried out through the first belt pulley 26 and the second belt pulley 27;

in this embodiment, an adjusting pad 28 is arranged below the support 23.

When the measuring workpiece is too large or too small and exceeds the movable range of the rotating arm of the micrometer, the requirements of different measuring workpieces can be met by adjusting the height of the cushion block 28 through the adjusting cushion block 28 arranged below the support 23;

as a preference of the above embodiment, the pressing assembly 3 further includes:

a press base 31, the press base 31 being vertically disposed on either side of the twin roll assembly;

the pressing rod 32 is rotatably arranged on the pressing base 31, and the pressing roller 33 is arranged at the head of the pressing rod 32.

In this embodiment, a rectangular through groove 311 is formed in the top of the pressing base 31, a through hole is formed in one side, close to the first round roller 21, of the top of the pressing base 31, a concave pit 312 is formed in one side, far away from the first round roller 21, of the bottom of the rectangular through groove 311, and a spring 35 is arranged on the concave pit 312.

The pressing rod 32 is rotatably disposed on the rectangular through slot 311 of the pressing base 31, the swing rod 34 is disposed at the bottom of the pressing rod 32, the rotating shaft 36 is disposed on the pressing rod 32, and the pressing rod 32 can rotate along the rotating shaft 36.

The pressing seat 31 is vertically arranged above the first round roller 21 through the pressing seat 31; the pressing rod 32 is rotatably arranged on the pressing seat 31. The head of the pressing seat 31 is provided with a rectangular through groove 311, one side of the top of the pressing seat 31, which is close to the first round roller 21, is provided with a through hole, one side of the bottom of the rectangular through groove 311, which is far away from the first round roller 21, is provided with a pit 312, and the pit 312 is provided with a spring 35. The pressing rod 32 is rotatably arranged on the rectangular through groove 311 of the pressing base 31, the head of the pressing rod 32 is provided with a pressing roller 33, the bottom of the pressing rod 32 is provided with a swing rod 34, and the pressing rod 32 can rotate along the rotating shaft 36. When the workpiece 6 to be measured is placed above the first round roller 21 and the second round roller 22, the swing rod 34 is adjusted to rotate along the rotating shaft for an angle, the workpiece to be measured is pressed, and meanwhile, the spring 35 is arranged on the concave pit 312, so that the pressing roller is in a soft pressing state, the product is pressed, and the surface of the product is protected;

as a preference of the above embodiment, the measuring unit 4 includes:

the guide rail 41 is horizontally arranged on the opposite side of the first round roller 21 and the second round roller 22 along the length direction of the guide rail 41, and one side surface of the guide rail 41 is flush with one side surface of the base 1;

the first limiting block 42 is arranged on the side face of the base 1, and the top of the first limiting block 42 is positioned on the end face of the guide rail 41;

a second stopper 43, the second stopper 43 being disposed at the other end of the guide rail 41;

a slide seat 44, wherein the slide seat 44 is arranged on the guide rail 41 in a sliding manner;

a table 45, the table 45 being provided on the slide 44;

the dial indicator 7 comprises a dial seat 71, a dial 72, a rotating arm 73 and a probe 74, wherein the dial seat 71 is adsorbed on the workbench 45 through a magnet;

dial gauge 7 is prior art, dial gauge 7 has festival swinging boom 73, but multiple angle of adjustment, adapt to the different work piece demands of measuring, dial gauge 7 has gauge stand 71, there is control magnetic force switch on gauge stand 71, it inhales on the workstation to put the switch and open strong magnetism on the workstation, close magnetic force switch, can easily take off the dial gauge, it is convenient clean, rocking boom 73 combines through dial gauge and guide rail, the track direction slides in the time of can realizing, make the probe keep away from or be close to by the survey work piece, the convenience and the reliability of operation have been increased.

In this embodiment, the sliding grooves 46 are symmetrically disposed on both sides of the guide rail 41, and the sliding grooves 46 include a first circular arc section 461 and a first horizontal section 462.

The slide base 44 is internally provided with a guide structure 47 in sliding fit with the guide rail 41, the guide structure 47 includes a second arc section 471 and a second horizontal section 472, and two ends of the slide base 44 are provided with an air avoiding section 441.

Through setting up guide rail 41 bilateral symmetry and being equipped with spout 46, spout 46 includes first circular arc section 461 and first horizontal segment 462 and slide 44 inside sets up guide structure 47 with guide rail 41 sliding fit, guide structure 47 includes second circular arc section 471 and second horizontal segment 472, the design of circular arc section and horizontal segment, the intensity of guide rail and spout has been improved, the life-span of moving part has been increased, guarantee the workstation simultaneously and only move in the guide rail direction, guarantee measurement accuracy. The two ends of the sliding seat 44 are provided with the clearance sections 441, so that the sliding seat can be conveniently disassembled and assembled, when the sliding seat is arranged in the guide rail, in order to ensure that the sliding seat and the guide rail are in sliding fit and are not clearance, the clearance sections 441 are conveniently arranged during the arrangement, and the operation is convenient.

As a preference of the above embodiment, the drive assembly 5 includes:

the third rotating shaft 51 is rotatably arranged below a perpendicular bisector connected between the circle centers of the first rotating shaft 24 and the second rotating shaft 25;

a third belt pulley 52, wherein the third belt pulley 52 is arranged on the third rotating shaft 51 at the same side as the first belt pulley 26;

a rotating disc 53, the rotating disc 53 being provided on the third belt pulley 52;

a first belt 54 and a second belt 55, the first belt 54 being disposed on the first pulley 26 and the third pulley 52, the second belt being disposed on the second pulley 27 and the third pulley 52.

Wherein, the outer side of the rotating disc 53 is provided with a grab handle 56 which can be manually shaken or driven by a motor to rotate.

The first transmission belt 54, the second transmission belt 55 and the gear are used for transmission, the structure is stable, the stability of the checking fixture is improved, the rotating disc 53 is driven to rotate by rotating the grab handle 56, the belt-pass rotating belt rotates to drive the round roller to roll and the tested workpiece to roll, the rolling condition of the tested workpiece is observed through the dial plate, whether the coaxiality error of the tested workpiece is within an allowable error range is obtained, the display is visual, and the operation is convenient;

in the above embodiment, the base 1 is preferably provided with a standing leg 11 at the bottom and a handle 12 at the side of the base 1.

The base 1 is provided with the standing legs 11 at the bottom, so that the table can be placed on a production line more easily and stably, and the handle 12 is arranged on the side face of the base 1, so that the table is convenient to carry.

It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A coaxiality gauge is characterized by comprising:

the base (1), the said base (1) is fixed to the working plane;

the double-roller assembly (2) is provided with a first round roller (21) and a second round roller (22) at the upper part of the double-roller assembly (2), and the first round roller (21) and the second round roller (22) rotate in the same direction;

the pressing assembly (3) is rotatably arranged on the base (1), a pressing roller (33) is arranged at the pressing end, and the pressing roller (33) is positioned right above the workpiece (6) to be detected;

a measuring assembly (4), wherein the measuring assembly (4) is arranged on the base (1) in a sliding mode, and the measuring assembly (4) can move close to or away from the double roller assembly (2) when sliding;

the driving assembly (5) is fixedly arranged on the base (1), the driving assembly (5) drives the double-roller assembly (2) to rotate, the double-roller assembly (2) rotates to drive the workpiece to be measured (6) to rotate, and the coaxiality of the cylindrical surface of the workpiece to be measured (6) can be measured.

2. The coaxiality gauge according to claim 1, wherein the twin-roll assembly (2) further comprises:

the measuring device comprises a support (23), wherein the support (23) is arranged on the opposite side of the measuring component (4), a through groove of an inclined surface section (231) and a straight surface section (232) is arranged above the support (23), and an adjusting cushion block (28) is arranged below the support (23);

the first rotating shaft (24) and the second rotating shaft (25) are rotatably arranged inside the support (23), and the first round roller (21) and the second round roller (22) are respectively arranged on one side of the first rotating shaft (24) and one side of the second rotating shaft (25);

a first pulley (26) and a second pulley (27), the first pulley (26) and the second pulley (27) being respectively disposed outside the first rotating shaft (24) and the second rotating shaft (25);

the sizes of the first round roller (21) and the second round roller (22) are equal, and the workpiece (6) to be measured is positioned on a perpendicular bisector connecting the circle centers of the first round roller (21) and the second round roller (22).

3. The coaxiality gauge according to claim 1, wherein the hold-down assembly (3) further comprises:

a press seat (31), the press seat (31) being vertically arranged on either side of the twin roll assembly (2);

the pressing rod (32) is rotatably arranged on the pressing seat (31), and the pressing roller (33) is arranged at the head of the pressing rod (32).

4. The coaxiality gauge according to claim 3, wherein a rectangular through groove (311) is formed in the top of the pressing seat (31), a through hole is formed in one side, close to the first round roller (21), of the top of the pressing seat (31), a concave pit (312) is formed in one side, far away from the first round roller (21), of the bottom of the rectangular through groove (311), and a spring (35) is arranged on the concave pit (312).

5. The coaxiality gauge according to claim 3, wherein the pressing rod (32) is rotatably arranged on a rectangular through groove (311) of the pressing base (31), a swing rod (34) is arranged at the bottom of the pressing rod (32), a rotating shaft (36) is arranged on the pressing rod (32), and the pressing rod (32) can rotate along the rotating shaft (36).

6. The coaxiality inspection device according to claim 1, wherein the measuring assembly (4) includes:

the guide rail (41), the guide rail (41) is horizontally arranged on the opposite side of the first round roller (21) and the second round roller (22) along the length direction of the guide rail (41), and one side surface of the guide rail (41) is flush with one side surface of the base (1);

the first limiting block (42) is arranged on the side face of the base (1), and the top of the first limiting block (42) is positioned on the end face of the guide rail (41);

the second limiting block (43) is arranged at the other end of the guide rail (41);

a slide seat (44), wherein the slide seat (44) is arranged on the guide rail (41) in a sliding manner;

a work table (45), the work table (45) being arranged on the slide (44);

the dial indicator (7) comprises a dial seat (71), a dial plate (72), a rotating arm (73) and a probe (74), wherein the dial seat (71) is adsorbed on the workbench (45) through a magnet.

7. The coaxiality gauge according to claim 6, wherein sliding grooves (46) are symmetrically formed in two sides of the guide rail (41), and each sliding groove (46) comprises a first circular arc section (461) and a first horizontal section (462).

8. The coaxiality inspection device according to claim 6, wherein a guide structure (47) in sliding fit with the guide rail (41) is arranged inside the sliding seat (44), the guide structure (47) comprises a second circular arc section (471) and a second horizontal section (472), and two ends of the sliding seat (44) are provided with an idle-avoiding section (441).

9. The coaxiality gauge according to claim 2, wherein the drive assembly (5) comprises:

the third rotating shaft (51) is rotatably arranged below a perpendicular bisector connected with the circle centers of the first rotating shaft (24) and the second rotating shaft (25);

the third belt pulley (52), the third belt pulley (52) is arranged on the third rotating shaft (51) on the same side as the first belt pulley (26);

the rotating disc (53) is arranged on the third belt pulley (52), and a grab handle (56) is arranged on the outer side of the rotating disc (53);

a first transmission belt (54) and a second transmission belt (55), wherein the first transmission belt (54) is arranged on the first belt pulley (26) and the third belt pulley (52), and the second transmission belt (55) is arranged on the second belt pulley (27) and the third belt pulley (52).

10. The coaxiality inspection device according to any one of claims 1 to 9, wherein a standing foot (11) is arranged at the bottom of the base (1), and a handle (12) is arranged on the side surface of the base (1).