CN211291334U

CN211291334U - Laser interferometer

Info

Publication number: CN211291334U
Application number: CN201921914337.8U
Authority: CN
Inventors: 丁大富
Original assignee: Jiangsu Xutai Intelligent Equipment Manufacturing Co ltd
Current assignee: Jiangsu Xutai Intelligent Equipment Manufacturing Co ltd
Priority date: 2019-11-07
Filing date: 2019-11-07
Publication date: 2020-08-18
Anticipated expiration: 2029-11-07

Abstract

The utility model relates to a laser interferometer, which comprises a laser interferometer and a bracket, wherein the bracket is fixed by a first semi-annular bracket and a second semi-annular bracket in a crossed way, the laser interferometer also comprises a circular ring supporting piece, and the end parts of the first semi-annular bracket and the second semi-annular bracket are fixed on the circular ring supporting piece; the first semi-annular support and the second semi-annular support are respectively provided with a sliding groove and communicated at crossed positions; the laser interferometer is provided with a sliding block which is matched with the sliding groove to slide. The laser interferometer can slide freely in the bracket, and the bracket comprises a first semi-annular bracket and a second semi-annular bracket which are arranged perpendicularly to each other, so that the height of the laser interferometer can be changed within an allowable range when the laser interferometer slides in the bracket, the direction of the laser interferometer can be changed freely when the laser interferometer slides in the bracket, in addition, the positions of the screw rod and the annular support part can be changed, the position of the bracket is adjusted, namely, the orientation of the laser interferometer is adjusted, and meanwhile, the height of the annular support part can be adjusted by utilizing the screw rod.

Description

Laser interferometer

Technical Field

The utility model relates to a measuring equipment, in particular to laser interferometer.

Background

The existing adjusting seats suitable for the pitching and the translating of the laser interferometer are a pair of very simple adjusting seats consisting of an upper layer arc block and a lower layer arc block, which are provided by interferometer manufacturers, the lower layer arc block structure is slightly longer than the upper layer arc block structure, two long holes are formed in the length of the upper layer arc block, and the positions of screws in the long holes can be adjusted through the long holes, so that the position of the interferometer can be adjusted, and the pitching angle of the interferometer can be adjusted through the upper layer arc surface structure and the lower layer arc surface structure.

Although the method for adjusting the pitch and the translation of the interferometer by the method can achieve the purpose of adjustment, the adjustment of the actual optical path is very difficult because the outline size of the interferometer probe to be adjusted is larger than the size of the adjusting seat, namely, a screw for fixing the adjusting seat is shielded. Therefore, when the position of the interferometer probe needs to be adjusted, the interferometer needs to be moved away, and the position of the screw can be adjusted, so that the position of the interferometer probe is adjusted, and great difficulty, time and labor are brought to the adjustment of the optical path of the whole interferometer.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a laser interferometer.

The above technical purpose of the present invention can be achieved by the following technical solutions: a laser interferometer comprises a laser interferometer and a bracket, wherein the bracket is fixed by a first semi-annular bracket and a second semi-annular bracket in a crossed manner, the laser interferometer also comprises a circular ring supporting piece, and the end parts of the first semi-annular bracket and the second semi-annular bracket are fixed on the circular ring supporting piece; the first semi-annular support and the second semi-annular support are respectively provided with a sliding groove and communicated at crossed positions; and the laser interferometer is provided with a sliding block which is matched with the sliding groove to slide.

Preferably, the sliding groove is a T-shaped groove, the sliding block includes two sets of support rods arranged in parallel and a butt rod connected between the two support rods, and further includes a threaded through hole penetrating the butt rod and a threaded butt rod screwed in the threaded through hole, and the laser interferometer is connected to the threaded butt rod.

Preferably, the circular ring support is provided with a plurality of thread fixing holes and further comprises a screw rod screwed in the thread fixing holes.

Preferably, the screw is provided with a scale, and the ring support is provided with a laser interferometer.

Preferably, a fixing ring is provided to extend from a bottom of the laser interferometer, and the fixing ring is screwed to an end of the threaded abutment rod.

Preferably, the first semi-annular support and the second semi-annular support are arranged vertically.

Preferably, the bracket is made of hard metal.

To sum up, the utility model discloses following beneficial effect has:

the laser interferometer in the application can slide in the bracket at will, and the bracket comprises a first semi-annular bracket and a second semi-annular bracket which are arranged perpendicular to each other, so that the height of the laser interferometer can be changed within an allowable range when the laser interferometer slides in the bracket, the direction of the laser interferometer can be changed at will when the laser interferometer slides in the bracket, in addition, the positions of the screw rod and the annular support member can be changed, the position of the bracket is adjusted, namely, the orientation of the laser interferometer is adjusted, and meanwhile, the height of the annular support member can be adjusted by utilizing the screw rod.

Drawings

FIG. 1 is a schematic view of the overall structure of the embodiment;

FIG. 2 is a schematic diagram of a part of the structure in the example.

In the figure, 1, a laser interferometer; 11. a sliding block; 111. a support bar; 112. a butting rod; 113. a threaded through hole; 114. the screw thread abuts against the connecting rod; 12. a fixing ring; 2. a support; 21. a circular ring support; 211. a threaded fixing hole; 212. a screw; 22. a first semi-annular support; 23. A second semi-toroidal support; 24. a laser interferometer; 31. and (4) sliding grooves.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Example (b):

a laser interferometer, as shown in FIG. 1, comprises a laser interferometer 1 and a bracket 2, wherein the bracket 2 is fixed by a first semi-annular bracket 22 and a second semi-annular bracket 23 in a crossed manner, the laser interferometer also comprises a circular ring support 21, and the end parts of the first semi-annular bracket 22 and the second semi-annular bracket 23 are fixed on the circular ring support 21; the first semi-annular bracket 22 and the second semi-annular bracket 23 are respectively provided with a sliding groove 31 and communicated at the crossed position; the laser interferometer 1 is provided with a slide block 11 which slides in a slide groove 31.

As shown in fig. 1 and 2, the sliding groove 31 is a T-shaped groove, the sliding block 11 includes two sets of support rods 111 arranged in parallel, an abutting rod 112 connected between the two support rods 111, a threaded through hole 113 penetrating the abutting rod 112, and a threaded abutting rod 114 screwed in the threaded through hole 113, and the laser interferometer 1 is connected to the threaded abutting rod 114.

As shown in fig. 1, the ring support 21 is provided with a plurality of thread fixing holes 211, and further includes a screw 212 screwed into the thread fixing holes 211, and the included angle between the ring support 21 and the horizontal plane can be adjusted by adjusting the position of the screw 212 between the thread fixing holes 211.

As shown in fig. 1, the screw 212 is provided with a scale, and the ring support 21 is provided with a laser interferometer 24 for determining whether the ring support 21 is horizontal.

As shown in fig. 1 and 2, a fixing ring 12 is extended from the bottom of the laser interferometer 1, the fixing ring 12 is screwed to the end of the screw rod 114, and the rotation of the laser interferometer 1 is adjusted by rotating the fixing ring 12.

As shown in fig. 1, the first semi-annular support 22 is arranged perpendicular to the second semi-annular support 23.

As shown in fig. 1, the bracket 2 is made of hard metal.

The working principle is as follows:

the laser interferometer 1 of the present application can slide freely in the support 2, and since the support 2 comprises two first and second

semi-annular supports

22 and 23 arranged perpendicular to each other, the height of the laser interferometer 1 can be changed within an allowable range when sliding therein, and the direction of the laser interferometer 1 can be changed freely when sliding therein, and in addition, the positions of the screw 212 and the ring support 21 can be changed, and the position of the support 2, that is, the orientation of the laser interferometer 1, can be adjusted, and the height of the ring support 21 can be adjusted by using the screw 212.

Claims

1. A laser interferometer comprising a laser interferometer (1) and a support (2), characterized in that: the support (2) is fixed by a first semi-annular support (22) and a second semi-annular support (23) in a crossed manner, the support further comprises a circular support (21), and the end parts of the first semi-annular support (22) and the second semi-annular support (23) are fixed on the circular support (21); the first semi-annular bracket (22) and the second semi-annular bracket (23) are respectively provided with a sliding groove (31) and communicated at crossed positions; the laser interferometer (1) is provided with a sliding block (11) which is matched with the sliding groove (31) to slide.

2. A laser interferometer according to claim 1, wherein: the sliding groove (31) is a T-shaped groove, the sliding block (11) comprises two groups of supporting rods (111) which are arranged in parallel and a butt-joint rod (112) connected between the two supporting rods (111), and further comprises a threaded through hole (113) penetrating through the butt-joint rod (112) and a threaded butt-joint rod (114) screwed in the threaded through hole (113), and the laser interferometer (1) is connected to the threaded butt-joint rod (114).

3. A laser interferometer according to claim 2, wherein: the circular ring support piece (21) is provided with a plurality of thread fixing holes (211) and further comprises a screw (212) screwed in the thread fixing holes (211).

4. A laser interferometer according to claim 3, wherein: scales are arranged on the screw rod (212), and the laser interferometer (1) is arranged on the circular ring supporting piece (21).

5. A laser interferometer according to claim 4, wherein: the bottom of the laser interferometer (1) extends to form a fixing ring (12), and the fixing ring (12) is screwed at the end of the thread abutting rod (114).

6. A laser interferometer according to claim 5, wherein: the first semi-annular support (22) and the second semi-annular support (23) are vertically arranged.

7. A laser interferometer according to claim 6, wherein: the bracket (2) is made of hard metal.