CN215909823U

CN215909823U - Novel laser concentric adjusting device

Info

Publication number: CN215909823U
Application number: CN202122349486.8U
Authority: CN
Inventors: 李钊; 赵鹏举; 彭邦建; 冯嵇康
Original assignee: Shanghai Richen Environmental Protection Technology Co ltd
Current assignee: Shanghai Richen Environmental Protection Technology Co ltd
Priority date: 2021-09-27
Filing date: 2021-09-27
Publication date: 2022-02-25
Anticipated expiration: 2031-09-27

Abstract

The utility model discloses novel laser concentric adjustment equipment which comprises a detection frame, wherein two ends of the detection frame are respectively fixed on a first shaft and a second shaft to be detected through fixing devices, the first shaft and the second shaft are connected through a coupler, a first laser distance measurement unit and a second laser distance measurement unit which are used for detecting the concentric parameters of the first shaft and the concentric parameters of the second shaft are respectively arranged on the detection frame, and the first laser distance measurement unit and the second laser distance measurement unit are connected with a control device. According to the utility model, the first laser ranging unit and the second laser ranging unit are used for respectively detecting the concentric parameters of the first shaft and the second shaft, manual operation of holding a dial indicator is not needed, the result is accurate, and errors caused by technical levels of operators can be avoided.

Description

Novel laser concentric adjusting device

Technical Field

The utility model relates to the technical field of concentricity adjusting equipment, in particular to novel laser concentricity adjusting equipment.

Background

Coaxiality is an important technical index for evaluating a cylindrical workpiece, and coaxiality errors directly influence the assembly and use of the workpiece. The concentricity error is the eccentricity which is the eccentricity of the circle center reflected by the coaxiality error on the section, and the concentricity error is the offset degree of the circle center.

However, at present, when concentricity detection is performed, a laser centering instrument is generally adopted and installed on two sides of a coupler, laser is emitted from one side and received from the other side, the laser is synchronously rotated, and an eccentricity value is checked; in addition, the common means for adjusting the concentricity of the rotating part also comprises a double-percent meter adjustment concentricity method, which has higher requirements on the meter reading accuracy of an operator, the technical experience of the operator and the like and is easy to generate errors.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to overcoming the above-mentioned shortcomings and drawbacks of the prior art by providing a novel laser centering device.

The technical problem solved by the utility model can be realized by adopting the following technical scheme:

the utility model provides a novel concentric equipment is transferred to laser, includes the test rack, the both ends of test rack are fixed on the primary shaft that awaits measuring, secondary shaft through the coupling joint respectively through fixing device, be provided with first laser rangefinder unit, the second laser rangefinder unit that are used for detecting the concentric parameter of primary shaft, secondary shaft on the test rack respectively, first laser rangefinder unit, second laser rangefinder unit are connected with controlling means.

In a preferred embodiment of the present invention, two ends of the detection frame respectively include a first arc-shaped side and a second arc-shaped side fixed on the first shaft and the second shaft, and a plurality of cross bars connected between the first arc-shaped side and the second arc-shaped side, the plurality of cross bars are circumferentially arranged at intervals along the first shaft and the second shaft, the plurality of cross bars are arranged in parallel with the first shaft and the second shaft, the distance from each cross bar to the center of the first shaft and the center of the second shaft are equal, and the first laser ranging unit and the second laser ranging unit are arranged on the plurality of cross bars.

In a preferred embodiment of the present invention, the first laser ranging unit includes a plurality of first laser rangefinders, each of which is disposed on a cross bar; the second laser ranging unit comprises a plurality of second laser ranging instruments, and each second laser ranging instrument is arranged on a cross rod.

In a preferred embodiment of the present invention, the detection frame is provided with a return-to-zero calibration laser ranging unit, and the return-to-zero calibration laser ranging unit is connected with the control device.

In a preferred embodiment of the utility model, the return-to-zero calibrated laser ranging unit comprises a plurality of return-to-zero calibrated laser rangefinders, each return-to-zero calibrated laser rangefinder being arranged on a cross-bar.

In a preferred embodiment of the present invention, the number of the cross bars is four, the first laser ranging unit includes four first laser range finders, the second laser ranging unit includes four second laser range finders, and the return-to-zero calibration laser ranging unit includes four return-to-zero calibration laser range finders.

In a preferred embodiment of the present invention, the fixing device includes a chain for fixing both ends of the detecting frame to the first shaft and the second shaft.

In a preferred embodiment of the present invention, the control device includes a digital display operation screen.

Due to the adoption of the technical scheme, the first laser ranging unit and the second laser ranging unit are used for respectively detecting the concentric parameters of the first shaft and the second shaft, manual operation of holding a dial indicator is not needed, the result is accurate, and errors caused by technical levels of operators can be avoided.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings 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 of 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 front view of one embodiment of the present invention.

Fig. 2 is a view in the direction a of fig. 1.

Fig. 3 is a perspective view of one embodiment of the present invention.

Fig. 4 is a schematic structural view when the mounting of the test stand itself is deviated.

FIG. 5 is a schematic diagram of the zero-return calibration laser ranging unit and the first laser ranging unit determining the inclination angle when the detection frame itself is installed with a deviation.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further explained below.

Referring to fig. 1 to 3, the novel laser light-control concentric device includes a detection frame 100, two ends of the detection frame 100 are respectively fixed on a first shaft 1 and a second shaft 2 to be detected through a fixing device 200, and the first shaft 1 and the second shaft 2 are connected through a coupler 3. The fixing device 200 includes a chain 210 for fixing both ends of the inspection frame 100 to the first and

second shafts

1 and 2.

The detection frame 100 is provided with a first laser ranging unit 310 and a second laser ranging unit 320, the first laser ranging unit 310 and the second laser ranging unit 320 are respectively used for detecting concentric parameters of the first shaft 1 and concentric parameters of the second shaft 2, and the concentric parameters include distances from the first laser ranging unit 310 and the second laser ranging unit 320 to the surfaces of the first shaft 1 and the second shaft 2. The first laser ranging unit 310 and the second laser ranging unit 320 are connected to a control device (not shown in the figure), and the control device includes a digital display operation screen, which is not described herein for the prior art. The two ends of the detection frame 100 in this embodiment respectively include the first arc edge 110 and the second arc edge 120 fixed on the first shaft 1 and the second shaft 2, and the plurality of cross bars 130 connected between the first arc edge 110 and the second arc edge 120, the plurality of cross bars 130 are circumferentially arranged at intervals along the first shaft 1 and the second shaft 2, and the plurality of cross bars 130 are parallel to the first shaft 1 and the second shaft 2, the distance from each cross bar 130 to the center of the first shaft 1 and the center of the second shaft 2 are equal, and the first laser ranging unit 310 and the second laser ranging unit 320 are disposed on the plurality of cross bars 130.

The first laser ranging unit 310 includes a plurality of first laser ranging devices 311, and each of the first laser ranging devices 311 is disposed on a cross bar 130; the second laser ranging unit 320 includes a plurality of second laser ranging devices 321, and each of the second laser ranging devices 321 is disposed on a cross bar 130. In this embodiment, the number of the cross bars 130 is four, the first laser ranging unit 310 includes four first laser range finders 311, and the second laser ranging unit 320 includes four second laser range finders 321. The included angle between two adjacent first laser range finders 311 and the central axis is 45 degrees, and the included angle between two adjacent second laser range finders 321 and the central axis is 45 degrees.

When the concentricity is adjusted by using the utility model, two ends of the detection frame 100 are respectively fixed on the first shaft 1 and the second shaft 2 to be measured through the fixing device 200, then four first laser distance measuring instruments 311 and four second laser distance measuring instruments 321 are started, the four first laser distance measuring instruments 311 are used for measuring the distance from the first laser distance measuring instruments 311 to the surface of the first shaft 1, the four second laser distance measuring instruments 321 are used for measuring the distance from the second laser distance measuring instruments 311 to the surface of the second shaft 2, if the readings on the four first laser distance measuring instruments 311 are the same, and the readings on the four second laser distance measuring instruments 321 are also the same, the concentricity of the first shaft 1 and the second shaft 2 is proved; if there is a difference in the readings on the four first laser rangefinders 311 or on the four second laser rangefinders 321, it is proved that the first axis 1 and the second axis 2 are not concentric.

In order to further improve the flexibility of the present invention, as shown in fig. 4 and 5, a return-to-zero calibration laser ranging unit 400 is disposed on the detecting frame 100, the return-to-zero calibration laser ranging unit 400 is connected to the control device, the return-to-zero calibration laser ranging unit 400 includes a plurality of return-to-zero calibration laser ranging devices 410, and each return-to-zero calibration laser ranging device 410 is disposed on a cross bar 130. Since the number of the cross bars 130 in this embodiment is four, the return-to-zero calibration laser ranging unit 400 includes four return-to-zero calibration laser rangefinders 410, and the four return-to-zero calibration laser rangefinders 410 are respectively disposed on the four cross bars 130. The return-to-zero calibration laser ranging unit 400, the first laser ranging unit 310 and the second laser ranging unit 320 are used for testing concentricity by combining an inclination angle measuring method, when the self installation of the detection frame 100 deviates, the return-to-zero calibration laser ranging unit 400 and the first laser ranging unit 310 can determine an inclination angle a, the distance from the second laser ranging unit 320 to the surface of the measured shaft can be theoretically deduced, and when the deviation is generated between the actual measurement record and the theoretical distance, the non-concentricity is proved.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a novel concentric equipment is transferred to laser, a serial communication port, including the test rack, the both ends of test rack are fixed on the primary shaft that awaits measuring, secondary shaft through the coupling joint respectively through fixing device, be provided with first laser rangefinder unit, the second laser rangefinder unit that is used for detecting the concentric parameter of primary shaft, secondary shaft on the test rack respectively, first laser rangefinder unit, second laser rangefinder unit are connected with controlling means.

2. The novel laser modulation concentric device of claim 1, wherein the two ends of the detection frame respectively comprise a first arc-shaped edge and a second arc-shaped edge fixed on the first shaft and the second shaft, and a plurality of cross bars connected between the first arc-shaped edge and the second arc-shaped edge, the cross bars are circumferentially arranged along the first shaft and the second shaft at intervals, the cross bars are arranged in parallel with the first shaft and the second shaft, the distance from each cross bar to the center of the first shaft and the center of the second shaft is equal, and the first laser ranging unit and the second laser ranging unit are arranged on the cross bars.

3. The novel laser modulation concentric device of claim 2, wherein the first laser ranging unit comprises a plurality of first laser rangefinders, each first laser rangefinder being disposed on a cross-bar; the second laser ranging unit comprises a plurality of second laser ranging instruments, and each second laser ranging instrument is arranged on a cross rod.

4. The novel laser modulation concentric device as claimed in claim 3, wherein the detection frame is provided with a return-to-zero calibration laser ranging unit, and the return-to-zero calibration laser ranging unit is connected with the control device.

5. The novel laser concentric device of claim 4, wherein the return-to-zero calibrated laser rangefinder unit comprises a plurality of return-to-zero calibrated laser rangefinders, each return-to-zero calibrated laser rangefinder disposed on a cross-bar.

6. The novel laser centering device as claimed in claim 5, wherein said cross bars are four, said first laser ranging unit comprises four first laser rangefinders, said second laser rangefinder comprises four second laser rangefinders, and said return-to-zero calibrated laser rangefinder comprises four return-to-zero calibrated laser rangefinders.

7. The novel laser concentric device as claimed in claim 1, wherein the fixing means comprises a chain for fixing both ends of the inspection frame to the first shaft and the second shaft.

8. The novel laser concentric device of claim 1, wherein the control device comprises a digital display operating screen.