CN217541781U

CN217541781U - Simple concentricity measuring device

Info

Publication number: CN217541781U
Application number: CN202221326441.7U
Authority: CN
Inventors: 李帅; 杨亮平
Original assignee: Jiangxi Feilong Drill Bit Manufacturing Co ltd
Current assignee: Jiangxi Feilong Drill Bit Manufacturing Co ltd
Priority date: 2022-05-31
Filing date: 2022-05-31
Publication date: 2022-10-04
Anticipated expiration: 2032-05-31

Abstract

The utility model relates to a concentricity measuring device technical field just discloses a simple and easy measuring device of concentricity, the locating hole has all been seted up to the positive upper portion both sides of detection device body, the locating pin is all installed to the inner chamber of locating hole, the periphery of lead screw all meshes has the test bar, and first gear is all installed on the surface of dwang, the surface of first gear all meshes has the second gear, and the upper surface axle center of second gear all is fixed with rotatory handle. The excircle of the part is selected to contact with the positioning pin, and the indication gauge is used for measuring the size variation of the inner circle into a concentricity value, so that the concentricity difference between the Y axes of the circle centers can be detected, the operation is simple, and the detection efficiency of the device is improved; the rotating handle is rotated to finally drive the detection rod to move, the concentricity of the circle center can be detected by detecting the deviation value of the circle center and the X axis and the Y axis at the joint of the first detection cylinder and the second detection cylinder, and the detection quality of the device is improved.

Description

Simple concentricity measuring device

Technical Field

The utility model relates to a concentricity measuring device technical field specifically is a simple and easy measuring device of concentricity.

Background

Coaxiality is an important technical index for evaluating a cylindrical workpiece, coaxiality errors directly influence assembly and use of the workpiece, but when the axis of an element to be measured of the workpiece is extremely short, the coaxiality of the workpiece is difficult to evaluate and usually evaluated by concentricity, and the coaxiality errors directly influence matching precision and use conditions of the workpiece. The concentricity error is the eccentricity which is the deviation degree of the circle center, and the concentricity is the special form of the concentricity.

The common concentricity measuring device is generally mainly applied to the fact that the distance between an element to be measured and a reference element is too large, and the reference element and an element to be measured belong to a thin wall, so that the method is suitable for virtually connecting the measuring element and the reference element to be seen as a common axis, the common axis is used as a reference to measure the circle centers of two sides, but because a detecting instrument is required to be used for detecting the concentricity, the concentricity cannot be quickly and simply detected, time and labor are wasted, the detection efficiency of the device is reduced, and meanwhile, because the deviation of two circles of one axis is detected, the difference between the two circle centers cannot be detected, the detection precision of the device is reduced, and the simple concentricity measuring device is provided for the purpose.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

To prior art not enough, the utility model provides a simple and easy measuring device of concentricity to solve the problem of proposing in the above-mentioned background art.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a simple and easy measuring device of concentricity, includes the detection device body, the locating hole has all been seted up to the positive upper portion both sides of detection device body, the locating pin is all installed to the inner chamber of locating hole, first detection section of thick bamboo is installed to the positive lower part of detection device body, the last surface mounting of first detection section of thick bamboo has the second to detect a section of thick bamboo, and the shape of first detection section of thick bamboo and the combination of second detection section of thick bamboo is the cross.

Preferably, the dwang is all installed at the inner chamber middle part that a first detection section of thick bamboo and a second detected a section of thick bamboo, the both ends of dwang all are fixed with the lead screw, the periphery of lead screw all meshes the detection pole.

Preferably, a first gear is mounted on the surface of the rotating rod, and a second gear is meshed with the surface of the first gear.

Preferably, the axes of the upper surfaces of the second gears are fixed with rotating handles, and the surfaces of the rotating handles are all in anti-slip design.

Preferably, the inner cavities of the first detection barrel and the second detection barrel are provided with slide rails, the corresponding positions of the detection rod and the slide rails are fixed with slide blocks, and the slide blocks are embedded into the slide rails at the corresponding positions.

Preferably, the surfaces of the detection rods are fixed with mounting blocks, and the surfaces of the mounting blocks are provided with rollers.

Advantageous effects

Compared with the prior art, the utility model provides a simple and easy measuring device of concentricity possesses following beneficial effect:

1. according to the simple concentricity measuring device, the additionally arranged positioning pins are matched with the positioning holes, the exposed parts of the positioning pins are cylindrical, the inner circle of a part is selected to be contacted with the two positioning pins, the size change quantity of the outer circle measured by the indicating gauge is a concentricity value, the outer circle of the part is selected to be contacted with the positioning pins, and the size change quantity of the inner circle measured by the indicating gauge is a concentricity value, so that the concentricity difference between the Y axis of the circle center can be detected, the operation is simple, and the detection efficiency of the device is improved;

2. this simple and easy measuring device of concentricity can drive the second gear through rotating rotatory handle and rotate, and the second gear can drive the dwang and rotate, and the dwang rotates and can drive the lead screw and rotate, and the lead screw rotates and can drive the measuring staff and remove, can detect out the concentricity in the centre of a circle through the deviation value of detecting the centre of a circle and the X axle and the Y axle of first detection section of thick bamboo and second detection section of thick bamboo junction, has improved the detection quality of device.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the first detecting cylinder of the present invention;

fig. 3 is an enlarged schematic structural diagram of a position a in fig. 1 of the present invention.

In the figure: 1. a detection device body; 2. positioning holes; 3. positioning pins; 4. a first detection cylinder; 41. rotating the rod; 5. a second detection cylinder; 6. a screw rod; 7. a detection lever; 8. a first gear; 9. a second gear; 10. rotating the handle; 11. a slider; 12. a slide rail; 13. mounting blocks; 14. and a roller.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a technical scheme, a simple concentricity measuring device, which comprises a detecting device body 1, a positioning hole 2, a positioning pin 3, a first detecting cylinder 4, a rotating rod 41, a second detecting cylinder 5, a screw rod 6, a detecting rod 7, a first gear 8, a second gear 9, a rotating handle 10, a slide block 11, a slide rail 12, an installation block 13 and a roller 14, referring to fig. 1, the positioning hole 2 is arranged on both sides of the upper part of the front surface of the detecting device body 1, the positioning pin 3 is arranged in the inner cavity of the positioning hole 2, the first detecting cylinder 4 is arranged on the lower part of the front surface of the detecting device body 1, the second detecting cylinder 5 is arranged on the upper surface of the first detecting cylinder 4, the shape of the combination of the first detecting cylinder 4 and the second detecting cylinder 5 is cross-shaped, two positioning holes 2 are arranged on a plane, and the positioning pin 3 with proper length is matched, the positioning pin 3 is matched with the positioning hole 2, the exposed part of the positioning pin 3 is cylindrical, an inner circle of a part is selected to be in contact with the two positioning pins 3, the size variation of the outer circle is measured to be a concentricity value by an indicating gauge, the outer circle of the part is selected to be in contact with the positioning pin 3, the size variation of the inner circle is measured to be a concentricity value by the indicating gauge, the concentricity difference between Y axes of the circle centers can be detected, the operation is simple, and the detection efficiency of the device is improved, please refer to FIG. 2, rotating rods 41 are respectively arranged in the middle parts of inner cavities of a first detection cylinder 4 and a second detection cylinder 5, lead screws 6 are respectively fixed at two ends of the rotating rods 41, detection rods 7 are respectively meshed at the peripheries of the lead screws 6, first gears 8 are respectively arranged on the surfaces of the rotating rods 41, second gears 9 are respectively meshed on the surfaces of the first gears 8, rotating handles 10 are respectively fixed on the upper surface axes of the second gears 9, and the surfaces of the rotating handles 10 are all anti-slip designs, the second gear 9 can be driven to rotate by rotating the rotating handle 10, the second gear 9 can be driven to rotate the rotating rod 41, the rotating rod 41 can be driven to rotate, the lead screw 6 can be driven to rotate, the detection rod 7 can be driven to move by rotating the lead screw 6, the concentricity of the circle center can be detected by detecting the deviation value of the circle center and the X axis and the Y axis of the joint of the first detection cylinder 4 and the second detection cylinder 5, the detection quality of the device is improved, the inner cavities of the first detection cylinder 4 and the second detection cylinder 5 are provided with the sliding rails 12, the positions of the detection rod 7 corresponding to the sliding rails 12 are respectively provided with the sliding blocks 11, the sliding blocks 11 are respectively embedded into the sliding rails 12 at the corresponding positions, please refer to fig. 3, the surfaces of the detection rods 7 are respectively provided with the mounting blocks 13, and the surfaces of the mounting blocks 13 are respectively provided with the rollers 14.

The working principle of the device is as follows: firstly, two positioning holes 2 are formed in a plane, a positioning pin 3 with proper length is matched, the positioning pin 3 is matched with the positioning holes 2, the exposed part of the positioning pin 3 is cylindrical, the inner circle of a part is selected to be in contact with the two positioning pins 3, the size change of the outer circle measured by an indicating gauge is taken as a concentricity value, then the outer circle of the part is selected to be in contact with the positioning pin 3, the size change of the inner circle measured by the indicating gauge is taken as a concentricity value, the concentricity difference between the Y axes of the centers of circles can be detected, the operation is simple, the detection efficiency of the device is improved, finally, the second gear 9 can be driven to rotate by rotating the rotary handle 10, the second gear 9 can drive the rotary rod 41 to rotate, the rotary rod 41 can drive the lead screw 6 to rotate, the lead screw 6 can drive the detection rod 7 to move, the concentricity of the centers of the circles can be detected by detecting the deviation value of the centers of circles and the X axes and the Y axes of the joints of the first detection cylinder 4 and the second detection cylinder 5, and the detection quality of the device is improved.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a simple and easy measuring device of concentricity, includes detection device body (1), its characterized in that: locating hole (2) have all been seted up to the positive upper portion both sides of detection device body (1), locating pin (3) are all installed to the inner chamber of locating hole (2), first detection section of thick bamboo (4) are installed to the positive lower part of detection device body (1), the last surface mounting of first detection section of thick bamboo (4) has the second to detect a section of thick bamboo (5), and the shape that first detection section of thick bamboo (4) and second detection section of thick bamboo (5) make up is the cross.

2. The simple concentricity measuring device according to claim 1, wherein: dwang (41) are all installed in the inner chamber middle part of a first detection section of thick bamboo (4) and a second detection section of thick bamboo (5), the both ends of dwang (41) all are fixed with lead screw (6), the periphery of lead screw (6) all meshes has test bar (7).

3. The simple concentricity measuring device according to claim 2, wherein: first gear (8) are all installed on the surface of dwang (41), the surface of first gear (8) all meshes second gear (9).

4. A simple concentricity measurement device as claimed in claim 3, wherein: and the axes of the upper surfaces of the second gears (9) are all fixed with rotating handles (10), and the surfaces of the rotating handles (10) are all designed to be anti-skidding.

5. The simple concentricity measuring device according to claim 2, wherein: slide rails (12) have been all seted up to the inner chamber of a first detection section of thick bamboo (4) and a second detection section of thick bamboo (5), detection pole (7) all are fixed with slider (11) with slide rail (12) corresponding position, slider (11) all imbed in slide rail (12) of corresponding position.

6. The simple concentricity measuring device according to claim 2, wherein: the surface of the detection rod (7) is fixed with an installation block (13), and the surface of the installation block (13) is provided with a roller (14).