Damping device for cylindricity measuring equipment

Abstract

The utility model discloses a damping device for cylindricity measuring equipment, which comprises a measuring equipment main body, a placing plate, a connecting block, a rotary circular truncated cone, a support plate, a moving assembly and a damping mechanism, and is characterized in that the placing plate is arranged on the upper surface of the measuring equipment main body, and the connecting block and the rotary circular truncated cone are arranged on the upper surface of the placing plate; the supporting plate is arranged on the upper surface of the connecting block, the moving assembly is connected to one side of the supporting plate, the moving assembly can move up and down, the moving assembly comprises a special-shaped limiting block, and the special-shaped limiting block can move horizontally; the vibration reduction mechanism comprises a connecting block, a limiting plate, a vibration reduction assembly and a measuring probe, the connecting block is fixed to one end of the special-shaped limiting block, the limiting plate is clamped to the side wall of the connecting block, the measuring probe is fixed to the first side wall of the limiting plate, and the second side wall of the limiting plate is connected to the vibration reduction assembly. The vibration damping device can achieve a vibration damping effect when the measuring equipment body shakes, stable contact between the measuring probe and the surface of the to-be-measured piece is guaranteed, and accurate measurement is achieved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the cylindricality measurement technical field, specifically related to a kind of damping device for cylindricality measurement equipment. BACKGROUND

[0002] In order to measure the quality and function of various mechanical parts used in the automotive industry, aerospace and manufacturing industry, each measurement must be accurate, and in this process, cylindricality measurement equipment is an important tool, which determines how close a part is to a sphere, and whether it is a uniform circle.

[0003] The existing cylindricality measurement equipment is mostly measured in quiet and stable environment, but when measuring beside the factory or the equipment with larger power, the cylindricality measurement equipment will vibrate, and the vibration inside and outside will introduce error in measurement, thereby reducing the accuracy and reliability of cylindricality measurement equipment, and this instability will affect the ability of machine and workpiece to maintain accurate contact, thereby causing deviation of measurement result. UTILITY MODEL CONTENT

[0004] In order to solve the above problems existing in the prior art, the utility model provides a damping device for cylindricality measurement equipment. The technical problem to be solved by the utility model is realized by the following technical scheme:

[0005] The utility model provides a damping device for cylindricality measurement equipment, which comprises a measurement equipment main body, a placing plate, a connecting block, a rotating circular table, a supporting plate, a moving assembly and a damping mechanism, wherein,

[0006] The placing plate is horizontally arranged on the upper surface of the measurement equipment main body, the connecting block and the rotating circular table are arranged on the upper surface of the placing plate, the rotating circular table is used for fixing the cylindrical workpiece to be measured, and the rotating circular table can rotate around the central axis thereof;

[0007] The supporting plate is arranged on the upper surface of the connecting block, the moving assembly is connected to one side of the supporting plate, the top of the supporting plate is provided with a servo motor, the moving assembly can move up and down relative to the supporting plate under the drive of the servo motor, and the moving assembly comprises a special-shaped limiting block, which can move horizontally relative to the supporting plate;

[0008] The damping mechanism comprises a connecting block, a limiting plate, a damping assembly and a measuring probe, one end of the connecting block is fixed to the special-shaped limiting block close to the rotating circular table, a groove is formed in the inside of the connecting block, the damping assembly is arranged in the inside of the groove, the limiting plate is clamped on the side wall of the connecting block, one end of the measuring probe is horizontally fixed to the first side wall of the limiting plate, and the second side wall of the limiting plate extends into the inside of the groove and is connected to the damping assembly.

[0009] In an embodiment of the utility model, the damping device further includes a concave block and a fixed block, wherein,

[0010] The bottom of the concave block is fixedly connected to the upper surface of the measuring equipment body, and the fixed block is fixed in the concave groove of the concave block.

[0011] Four corners of the lower surface of the placing plate are respectively provided with a second damper, an outer side of the second damper is provided with a third spring, the third spring and the second damper are connected between the upper surface of the fixed block and the lower surface of the placing plate, so that the placing plate is movably connected above the fixed block.

[0012] In an embodiment of the utility model, a vertical movable groove is formed in the side wall of the supporting plate, a threaded rod is arranged in the inside of the movable groove, the upper end of the threaded rod penetrates through the upper surface of the supporting plate and is connected to the transmission end of the servo motor, and the lower end of the threaded rod is rotatably connected to the upper surface of the linking block.

[0013] In an embodiment of the utility model, the moving assembly further includes a moving block, a protective plate and a driving mechanism, wherein,

[0014] The moving block is sleeved on the threaded rod and can move up and down along the threaded rod under the driving of the threaded rod, the protective plate is fixedly connected to the outer side of the moving block, the driving mechanism is arranged on the protective plate, and the special-shaped limiting block can move horizontally relative to the protective plate under the driving of the driving mechanism.

[0015] In an embodiment of the utility model, the driving mechanism comprises a rotary motor, a gear and a rack, wherein,

[0016] The central shaft of the gear is fixedly connected to the transmission end of the rotary motor, the special-shaped limiting block is a cavity structure, and the rotary motor and the gear are both arranged in the inside of the special-shaped limiting block.

[0017] The gear is engaged with the rack, the rack is fixed to the lower surface of the special-shaped limiting block, the rack and the special-shaped limiting block pass through the side wall of the protective plate in a horizontal direction and can move horizontally relative to the protective plate.

[0018] In an embodiment of the utility model, the damping assembly includes a square block, a first spring, a first damper, a position block, a positioning cylinder, an arc-shaped block and a second spring and a support rod, wherein,

[0019] The square block is fixed to the second side wall of the limiting plate, the upper end and the lower end of the inner wall of the groove opposite to the square block are respectively fixed with a position block, and the upper end and the lower end of the square block are respectively connected to the position block at the corresponding position through a first damper.

[0020] The positioning cylinder is fixed between the two position blocks in a vertical direction, the second spring is sleeved on the positioning cylinder, and an arc-shaped block is sleeved on the positioning cylinder at the two ends of the second spring.

[0021] In an embodiment of the utility model, the upper end and the lower end of the square block are respectively fixedly connected with a connecting protrusion, a first fixing bolt is arranged on the side wall of each connecting protrusion, a second fixing bolt is arranged on the side wall of each arc-shaped block, one end of the support rod is movably connected to the first fixing bolt, and the other end of the support rod is movably connected to the second fixing bolt.

[0022] In an embodiment of the utility model, the damping device further includes a control box, the control box is arranged in the concave groove of the concave block, and the control box is electrically connected to the servo motor and the rotary motor.

[0023] In an embodiment of the utility model, one side of the measuring equipment main body is provided with an opening and closing door, and four support feet are respectively fixedly connected to the bottom corners of the measuring equipment main body.

[0024] Compared with the prior art, the utility model has the beneficial effects that:

[0025] 1. The damping device of the utility model, when external vibration or workpiece shaking occurs, the measuring probe drives the limiting plate to retract backward and extrude the first spring, the limiting plate drives the connecting lug to move inward, and then drives the support rod on the second fixed peg to move, the support rod drives the arc-shaped blocks on both sides to move inward and extrude the second spring, so that the measuring probe can always adhere to the surface of the cylindrical workpiece when vibration occurs under external factor interference, under the elastic action of the first spring and the second spring, the measuring probe always remains stable and adheres, reduces the problem that the measurement data is not accurate enough caused by external shaking, and has practicality. In addition, the third spring is arranged to play a damping effect when the measuring equipment main body 1 shakes, and does not affect the stability of the device working on the placing plate.

[0026] 2. The damping device of the utility model, by starting the servo motor to drive the threaded rod to rotate, and then drive the moving block to move up and down, starting the rotating motor to make the gear rotate and drive the rack to move left and right, effectively improving the overall convenience and flexibility of the device, so that it can be adjusted according to real-time conditions when measuring the cylindrical column, and improve the overall work efficiency.

[0027] The utility model will be further described in detail below in combination with the drawings and examples. DRAWINGS

[0028] Figure 1 It is a kind of damping device for the cylindricality measuring equipment of the utility model embodiment and provides the three-dimensional structure schematic diagram;

[0029] Figure 2 It is the structure schematic diagram of a kind of damping mechanism provided by the utility model embodiment;

[0030] Figure 3 It is another three-dimensional structure schematic diagram of a kind of damping device for the cylindricality measuring equipment provided by the utility model embodiment;

[0031] Figure 4 It is the partial schematic diagram of support plate and moving assembly provided by the utility model embodiment;

[0032] Figure 5 It is another partial schematic diagram of moving assembly provided by the utility model embodiment.

[0033] Explanation of reference signs:

[0034] 1, measuring equipment main body; 2, concave block; 3, fixed block; 4, placing plate; 5, damping mechanism; 6, link block; 7, rotating circular table; 8, control box; 9, support plate; 10, moving assembly; 11, third spring; 12, second damper; 13, opening and closing door; 14, supporting leg; 501, connecting block; 502, groove; 503, limiting plate; 504, square block; 505, first spring; 506, first damper; 507, position block; 508, positioning cylinder; 509, arc block; 510, second spring; 511, first fixed bolt; 512, support rod; 513, second fixed bolt; 514, connecting protrusion; 515, measuring probe; 1001, movable groove; 1002, servo motor; 1003, threaded rod; 1004, moving block; 1005, protective plate; 1006, rotary motor; 1007, gear; 1008, rack; 1009, special-shaped limiting block. DETAILED DESCRIPTION

[0035] In order to further illustrate the technical means and effects taken by the utility model to achieve the predetermined utility model purposes, the following will be combined with the drawings and specific embodiments to make a detailed description of the damping device for the cylindricality measuring equipment according to the utility model.

[0036] The foregoing and other technical contents, characteristics and effects of the utility model can be clearly presented in the following specific embodiment detailed description combined with the drawings. Through the description of the specific embodiment, the technical means and effects taken by the utility model to achieve the predetermined purposes can be understood more deeply and specifically, however, the attached drawings are only provided for reference and illustration, and are not used to limit the technical solutions of the utility model.

[0037] It should be noted that in this paper, relationship terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between the entities or operations. Moreover, the terms "include", "contain" or any other variant are intended to cover non-exclusive inclusion, so that the article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed. Without more limitation, the element defined by the sentence "including a" does not exclude the presence of other identical elements in the article or device including the element.

[0038] The embodiment provides a damping device for cylindricality measuring equipment, please see Figure 1 、 Figure 2 and Figure 3The damping device comprises a measuring equipment body 1, a placing plate 4, a connecting block 6, a rotating circular table 7, a supporting plate 9, a moving assembly 10 and a damping mechanism 5. The placing plate 4 is horizontally arranged on the upper surface of the measuring equipment body 1. The connecting block 6 and the rotating circular table 7 are arranged on the upper surface of the placing plate 4 in a spaced manner. The rotating circular table 7 is used for fixing a cylindrical workpiece to be measured and can rotate around the central axis thereof. The supporting plate 9 is arranged on the upper surface of the connecting block 6. The moving assembly 10 is connected to one side of the supporting plate 9. The top of the supporting plate 9 is provided with a servo motor 1002. The moving assembly 10 can move up and down relative to the supporting plate 9 under the drive of the servo motor 1002. The moving assembly 10 comprises a special-shaped limiting block 1009 which can move horizontally relative to the supporting plate 9. The damping mechanism 5 comprises a connecting block 501, a limiting plate 503, a damping assembly and a measuring probe 515. The connecting block 501 is fixed to one end of the special-shaped limiting block 1009 close to the rotating circular table 7. The connecting block 501 is internally provided with a groove 502. The damping assembly is arranged in the groove 502. The limiting plate 503 is clamped on the side wall of the connecting block 501. One end of the measuring probe 515 is horizontally fixed to the first side wall of the limiting plate 503. The second side wall of the limiting plate 503 extends into the groove 502 and is connected to the damping assembly.

[0039] Further, the damping device further comprises a concave block 2 and a fixing block 3. The bottom of the concave block 2 is fixedly connected to the upper surface of the measuring equipment body 1. The fixing block 3 is fixed in the concave groove of the concave block 2. Four corners of the lower surface of the placing plate 4 are respectively provided with one second damper 12. The outer side of the second damper 12 is provided with one third spring 11. The third spring 11 and the second damper 12 are connected between the upper surface of the fixing block 3 and the lower surface of the placing plate 4, so as to movably connect the placing plate 4 above the fixing block 3. The third spring 11 and the second damper 12 can cooperate with each other to play a damping effect when the measuring equipment body 1 shakes, without affecting the stability of the device working on the placing plate 4.

[0040] Further, the side wall of the supporting plate 9 is provided with a vertical movable groove 1001. The movable groove 1001 is internally provided with a threaded rod 1003. The upper end of the threaded rod 1003 penetrates through the upper surface of the supporting plate 9 and is connected to the transmission end of the servo motor 1002. The lower end of the threaded rod 1003 is rotatably connected to the upper surface of the connecting block 6. That is to say, the threaded rod 1003 can rotate along the central axis thereof under the drive of the servo motor 1002.

[0041] Further, please refer to Figure 4 and Figure 5The mobile assembly 10 of the embodiment further comprises a mobile block 1004, a protection plate 1005 and a driving mechanism. The mobile block 1004 is sleeved on the threaded rod 1003 and can move up and down along the threaded rod 1003 under the driving of the threaded rod 1003. The protection plate 1005 is fixedly connected to the outer side of the mobile block 1004. The driving mechanism is arranged on the protection plate 1005. The special-shaped limiting block 1009 can move horizontally relative to the protection plate 1005 under the driving of the driving mechanism.

[0042] Illustratively, the inner surface of the mobile block 1004 is provided with internal threads which can cooperate with the threads on the threaded rod 1003. When the threaded rod 1003 rotates, the mobile block 1004 can move up and down along the threaded rod 1003 due to the cooperation of the threads.

[0043] Further, the driving mechanism comprises a rotary motor 1006, a gear 1007 and a rack 1008. The central shaft of the gear 1007 is fixedly connected to the driving end of the rotary motor 1006. The special-shaped limiting block 1009 is a hollow structure. The rotary motor 1006 and the gear 1007 are both located inside the special-shaped limiting block 1009. The gear 1007 is engaged with the rack 1008. The rack 1008 is fixed to the lower surface of the special-shaped limiting block 1009. The rack 1008 and the special-shaped limiting block 1009 pass through the side wall of the protection plate 1005 in the horizontal direction and can move horizontally relative to the protection plate 1005. In practice, when the rotary motor 1006 is started, the rotary motor 1006 drives the gear 1007 to rotate. The gear 1007 in turn drives the rack 1008 and the special-shaped limiting block 1009 to move together in the horizontal direction. Since the damping mechanism 5 is fixed on the special-shaped limiting block 1009, the damping mechanism 5 and the measuring probe 515 on the damping mechanism 5 can be driven to move in the horizontal direction to approach or move away from the cylindrical workpiece to be detected. Through the driving of the rotary motor 1006 and the servo motor 1002, the measuring probe 515 can be automatically moved horizontally and vertically, so as to realize accurate positioning and real-time adjustment on the edge of the cylindrical workpiece.

[0044] The damping assembly comprises a square block 504, a first spring 505, a first damper 506, a position block 507, a positioning cylinder 508, an arc-shaped block 509, a second spring 510 and a support rod 512. The square block 504 is fixed to the second side wall of the limiting plate 503 (i.e. the side wall of the limiting plate 503 located inside the groove 502). The upper end and the lower end of the inner wall of the groove 502 opposite to the square block 504 are respectively fixed with a position block 507. The upper end and the lower end of the square block 504 are respectively connected to the corresponding position blocks 507 through a first damper 506. The outer side of each first damper 506 is sleeved with a first spring 505. The two ends of the first spring 505 are also respectively connected to the square block 504 and the position block 507.

[0045] In the present embodiment, the damper is used in cooperation with the spring (for example, the first spring 505 and the first damper 506, the third spring 11 and the second damper 12) to dissipate the vibration energy of the spring in the form of heat energy or the like. The spring will vibrate after being compressed or stretched, and the damper will make the vibration of the spring decay rapidly by providing resistance to the movement.

[0046] The positioning cylinder 508 is fixed between the two position blocks 507 in the vertical direction, and the second spring 510 is sleeved on the positioning cylinder 508. The positioning cylinder 508 at both ends of the second spring 510 is sleeved with an arc-shaped block 509 respectively. Each arc-shaped block 509 is connected to the upper end and the lower end of the square block 504 through a support rod 512, so that the arc-shaped block 509 can move up and down along the positioning cylinder 508. Exemplarily, the upper end and the lower end of the square block 504 are fixedly connected with a connecting lug 514 respectively. A first fixing bolt 511 is arranged on the side wall of each connecting lug 514. A second fixing bolt 513 is arranged on the side wall of each arc-shaped block 509. One end of the support rod 512 is movably connected to the first fixing bolt 511, and the other end is movably connected to the second fixing bolt 513.

[0047] Further, the damping device further comprises a control box 8, the control box 8 is arranged in the concave groove of the concave block 2, the control box 8 is electrically connected with the servo motor 1002 and the rotating motor 1006, so as to drive the start and off of the servo motor 1002 and the rotating motor 1006 respectively. In addition, one side of the measuring equipment body 1 is provided with an opening and closing door 13, and the bottom four corners of the measuring equipment body 1 are respectively fixedly connected with a support foot 14.

[0048] In actual use, the servo motor 1002 is started by the control box 8 to drive the threaded rod 1003 to rotate, and then drive the moving block 1004 to move up and down, and then the rotating motor 1006 is started by the control box 8 to drive the gear 1007 to rotate and then drive the rack 1008 to move left and right; the cylindrical workpiece or sample to be measured is placed on the rotating turntable 7, and the moving assembly 10 moves to the appropriate position by moving up and down and left and right, so that the measurement probe 515 is attached to the edge of the cylindrical workpiece or sample, at this time the rotating turntable 7 drives the cylindrical workpiece to rotate, and the measurement probe 515 can obtain the cylindricity of the workpiece surface. When external vibration or workpiece shaking occurs, the limiting plate 503 is retracted and pressed against the first spring 505, the connecting block 514 is driven by the limiting plate 503 to move inward, and then the support rod 512 on the second fixed bolt 513 is moved, and the two arc-shaped blocks 509 on both sides are moved to the middle to press the second spring 510, so that the measurement probe 515 can always adhere to the surface of the cylindrical workpiece when vibration occurs due to external factors, and under the elastic action of the first spring 505 and the second spring 510, the measurement probe 515 always remains stable and adheres, reducing the problem that the measurement data is not accurate due to external shaking. It has practicality. Double springs are used to absorb vibration and ensure stable contact to achieve accurate measurement. In addition, the third spring 11 is arranged to reduce vibration when the measuring device main body 1 shakes, without affecting the stability of the device working on the placing plate 4.

[0049] The damping device of the utility model, through starting servo motor to drive threaded rod to rotate, and then drive moving block to move up and down, starting rotating motor to drive gear to rotate and drive rack to move left and right, effectively improve the overall convenience and flexibility of the device, make it adjust according to real-time situation when measuring cylindrical column, improve the overall work efficiency.

[0050] The above content is a further detailed description of the utility model in combination with a specific preferred embodiment, and cannot be determined that the specific implementation of the utility model is limited to these descriptions. For ordinary skilled persons in the technical field to which the utility model belongs, without departing from the concept of the utility model, a number of simple deductions or substitutions can be made, and all of them should be regarded as belonging to the protection scope of the utility model.

Claims

1. A vibration damping device for a cylindricity measuring apparatus, characterized by, The utility model relates to a kind of measurement equipment, including measurement equipment body (1), placement plate (4), adapter block (6), rotating round table (7), support plate (9), moving assembly (10) and damping mechanism (5), wherein, The placement plate (4) is horizontally arranged on the upper surface of the measurement equipment body (1), the adapter block (6) and the rotating round table (7) are arranged on the upper surface of the placement plate (4) at intervals, the rotating round table (7) is used to fix the cylindrical workpiece to be measured, and the rotating round table (7) can rotate around the central axis. The support plate (9) is arranged on the upper surface of the adapter block (6), the moving assembly (10) is connected to one side of the support plate (9), the top of the support plate (9) is provided with a servo motor (1002), the moving assembly (10) can move up and down relative to the support plate (9) under the drive of the servo motor (1002), and the moving assembly (10) comprises a special-shaped limiting block (1009), which can move horizontally relative to the support plate (9). The damping mechanism (5) comprises a connecting block (501), a limiting plate (503), a damping assembly and a measurement probe (515), the connecting block (501) is fixed at one end of the special-shaped limiting block (1009) close to the rotating round table (7), a groove (502) is formed in the connecting block (501), the damping assembly is arranged in the groove (502), the limiting plate (503) is clamped on the side wall of the connecting block (501), one end of the measurement probe (515) is fixed horizontally on the first side wall of the limiting plate (503), and the second side wall of the limiting plate (503) extends into the groove (502) and is connected to the damping assembly.

2. The damping device for a cylindricity measuring apparatus according to claim 1, characterized by, It also comprises a concave block (2) and a fixed block (3), wherein, The bottom of the concave block (2) is fixedly connected to the upper surface of the measurement equipment body (1), and the fixed block (3) is fixed in the concave groove of the concave block (2); Four corners of the lower surface of the placement plate (4) are respectively provided with a second damper (12), the outer side of the second damper (12) is sleeved with a third spring (11), the third spring (11) and the second damper (12) are connected between the upper surface of the fixed block (3) and the lower surface of the placement plate (4), so that the placement plate (4) is movably connected above the fixed block (3).

3. The damping device for a cylindricity measuring apparatus according to claim 2, characterized by, A vertical movable groove (1001) is formed in the side wall of the support plate (9), a threaded rod (1003) is arranged in the movable groove (1001), the upper end of the threaded rod (1003) penetrates through the upper surface of the support plate (9) and is connected to the transmission end of the servo motor (1002), and the lower end of the threaded rod (1003) is rotatably connected to the upper surface of the adapter block (6).

4. The damping device for a cylindricity measuring apparatus according to claim 3, characterized by The moving assembly (10) further comprises a moving block (1004), a protective plate (1005) and a driving mechanism, wherein, The moving block (1004) is sleeved on the threaded rod (1003) and can move up and down along the threaded rod (1003) under the driving of the threaded rod (1003), the protective plate (1005) is fixedly connected to the outer side of the moving block (1004), the driving mechanism is arranged on the protective plate (1005), and the special-shaped limiting block (1009) can move horizontally relative to the protective plate (1005) under the driving of the driving mechanism.

5. The damping device for a cylindricity measuring apparatus according to claim 4, characterized by The driving mechanism comprises a rotary motor (1006), a gear (1007) and a rack (1008), wherein, The central shaft of the gear (1007) is fixedly connected to the transmission end of the rotary motor (1006), the special-shaped limiting block (1009) is a cavity structure, and the rotary motor (1006) and the gear (1007) are located inside the special-shaped limiting block (1009); The gear (1007) is engaged with the rack (1008), and the rack (1008) is fixed to the lower surface of the special-shaped limiting block (1009); the rack (1008) and the special-shaped limiting block (1009) pass through the side wall of the protective plate (1005) in the horizontal direction and can move horizontally relative to the protective plate (1005).

6. The damping device for a cylindricity measuring apparatus according to claim 1, characterized by The damping assembly comprises a square block (504), a first spring (505), a first damper (506), a position block (507), a positioning cylinder (508), an arc-shaped block (509), a second spring (510) and a support rod (512), wherein, The square block (504) is fixed to the second side wall of the limiting plate (503), the upper end and the lower end of the inner wall of the groove (502) opposite to the square block (504) are respectively fixed with one position block (507), and the upper end and the lower end of the square block (504) are respectively connected to the corresponding position blocks (507) through one first damper (506); the outer side of each first damper (506) is sleeved with one first spring (505); The positioning cylinder (508) is fixed between the two position blocks (507) in the vertical direction, the second spring (510) is sleeved on the positioning cylinder (508), the positioning cylinder (508) at the two ends of the second spring (510) is respectively sleeved with one arc-shaped block (509), and each arc-shaped block (509) is connected to the upper end and the lower end of the square block (504) through one support rod (512), so that the arc-shaped block (509) can move up and down along the positioning cylinder (508).

7. The damping device for a cylindricity measuring apparatus according to claim 6, characterized by The upper end and the lower end of the square block (504) are fixedly connected with a connecting protrusion (514) respectively, a first fixing pin (511) is arranged on the side wall of each connecting protrusion (514) respectively; a second fixing pin (513) is arranged on the side wall of each arc-shaped block (509) respectively, one end of the supporting rod (512) is movably connected to the first fixing pin (511), and the other end is movably connected to the second fixing pin (513).

8. The damping device for a cylindricity measuring apparatus according to claim 5, characterized by, Further comprising a control box (8), the control box (8) is arranged in the concave groove of the concave block (2), and the control box (8) is electrically connected with the servo motor (1002) and the rotary motor (1006).

9. The vibration damping device for a cylindricity measuring apparatus according to any one of claims 1 to 8, characterized by, A side of the measuring equipment main body (1) is provided with an opening and closing door (13), and the bottom of the measuring equipment main body (1) is fixedly connected with a supporting leg (14) at four corners respectively.

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