CN111365588A - Adjustable base for vertically mounting autocollimator and horizontal reference mirror attitude alignment method - Google Patents
Adjustable base for vertically mounting autocollimator and horizontal reference mirror attitude alignment method Download PDFInfo
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- CN111365588A CN111365588A CN202010190854.6A CN202010190854A CN111365588A CN 111365588 A CN111365588 A CN 111365588A CN 202010190854 A CN202010190854 A CN 202010190854A CN 111365588 A CN111365588 A CN 111365588A
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- 238000000034 method Methods 0.000 title claims abstract description 10
- 238000009434 installation Methods 0.000 claims abstract description 9
- 238000013459 approach Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
- F16M11/12—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting in more than one direction
- F16M11/14—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting in more than one direction with ball-joint
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/041—Allowing quick release of the apparatus
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/20—Undercarriages with or without wheels
- F16M11/22—Undercarriages with or without wheels with approximately constant height, e.g. with constant length of column or of legs
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C15/00—Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Pivots And Pivotal Connections (AREA)
Abstract
The invention relates to an adjustable base for vertically mounting an autocollimator and a method for aligning the attitude of a horizontal reference mirror, wherein the base comprises a tripod, an adjustable base and an autocollimator mounting seat; the tripod consists of three supporting legs and a connecting ring at the upper end, and three ball sockets are uniformly distributed at the upper end of the connecting ring; the adjustable base comprises a support ring and three adjusting rods; the upper end part of the adjusting rod is provided with external threads, the lower end of the adjusting rod is a ball head end, and the middle part of the adjusting rod is fixed with an adjusting knob; the ball head ends of the three adjusting rods are respectively embedded in the three ball sockets to form ball hinges, and the external thread parts of the three adjusting rods are respectively connected with the three threaded holes on the support ring; the autocollimator mount pad is L type bent plate seat, and its bottom horizontal limit links firmly with the support ring, is equipped with the connecting hole that is used for installing the autocollimator fixing base on its edgewise, and the autocollimator is installed perpendicularly on the autocollimator fixing base. The base realizes the vertical installation and the posture adjustment of the autocollimator and is beneficial to improving the alignment efficiency of the horizontal reference mirror.
Description
Technical Field
The invention belongs to the field of ship equipment installation alignment, relates to vertical installation of an autocollimator, and particularly designs an adjustable base for vertical installation of the autocollimator and a horizontal reference mirror attitude alignment method.
Background
The installation alignment of the horizontal reference mirror is one of the important contents of the installation alignment of the ship equipment. Because the surface of the reference mirror can not be directly provided with a measuring probe of the electronic level, at present, when the horizontal reference mirror is aligned or measured, an autocollimator is usually adopted to lead the posture of the horizontal reference mirror to a parallel flat crystal, and then the measuring probe of the electronic level is arranged on the parallel flat crystal for measurement.
However, the self-contained mounting bases of the autocollimator are designed according to horizontal mounting and use, and when a horizontal reference mirror needs to be measured (the measuring axis is in the vertical direction), a right-angle prism needs to be arranged in front of a mirror tube of the autocollimator to turn a measuring light path by 90 degrees, so that two problems are caused, namely firstly, a target indicator cannot be arranged in front of the mirror tube, and inconvenience is brought to initial alignment of the autocollimator; and secondly, after the light path is folded by 90 degrees, the direction adjusting mechanism of the mounting base of the original autocollimator does not work any more (the influence on the final measurement light path is changed into translational motion, and the collimation angle cannot be changed).
Therefore, the adjustable base is vertically installed in the autocollimator, the alignment efficiency of the horizontal reference mirror can be improved, the application range of the autocollimator is expanded, and the autocollimator has important significance.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides an adjustable base for vertically mounting an autocollimator and a method for aligning the attitude of a horizontal reference mirror, wherein the adjustable base for vertically mounting the autocollimator can realize the vertical mounting and the attitude adjustment of the autocollimator, and is beneficial to improving the alignment efficiency of the horizontal reference mirror; the method for aligning the attitude of the horizontal reference mirror is simple and convenient to operate.
The above object of the present invention is achieved by the following technical solutions:
the utility model provides an adjustable base of autocollimator vertical installation which characterized in that: the device comprises a tripod, an adjustable base and an autocollimator mounting seat;
the tripod is composed of three supporting legs and a connecting ring, the three supporting legs are uniformly distributed along the circumferential direction at an angle of 120 degrees, and the connecting ring is fixedly connected with the upper ends of the three supporting legs; three ball sockets are uniformly distributed at the upper end of the connecting ring along the circumferential direction;
the adjustable base comprises a support ring and three adjusting rods with the same structure; three threaded holes are uniformly distributed in the circumferential direction on the support ring, and the axial direction of the threaded holes is consistent with the axial direction of the support ring; the upper end part of the adjusting rod is provided with external threads, the lower end of the adjusting rod is a ball head end, the diameter of the spherical surface of the ball head end is larger than that of the adjusting rod, and an adjusting knob is fixed in the middle of the adjusting rod; the ball head ends of the three adjusting rods are respectively embedded in three ball sockets on the connecting ring to form ball hinge, and external thread parts at the upper ends of the three adjusting rods are respectively connected with three threaded holes on the support ring, so that the support ring is erected over the connecting ring in an adjustable manner;
the autocollimator mounting base is an L-shaped bent plate base, the bent plate base is mounted above the support ring, the transverse edge of the bottom of the bent plate base is fixedly connected with the support ring through screws, connecting holes are formed in the vertical edge of the bent plate base, an autocollimator fixing base is fixedly mounted on the inner side of the vertical edge of the bent plate base and right above the support ring through screws penetrating in the mounting holes, and the autocollimator is vertically mounted on the autocollimator fixing base.
Furthermore, the three supporting legs are arranged in an outward inclined mode from the upper end to the lower end.
Furthermore, the area of a ball socket on the connecting ring is larger than that of a ball head on the adjusting rod, and the diameter of an upper port of the ball socket is not larger than the spherical diameter of the surface of the ball socket; and a limiting baffle is arranged at the upper end of the connecting ring corresponding to the matched position of each ball head and each ball socket.
A method for aligning the attitude of a horizontal reference mirror is characterized in that based on the autocollimator, an adjustable base is vertically installed, and the operation steps are as follows:
s1 mounting a tripod: placing the tripod above the horizontal reference mirror, wherein the lower ends of the three support legs are positioned at the periphery of the horizontal reference mirror;
s2, mounting an adjustable base; the upper end parts of the three adjusting rods are connected with the support ring, then the ball head ends of the three adjusting rods are respectively embedded into three ball sockets on the connecting ring, and under the condition that the limiting baffle is arranged, the limiting baffle is fixed to the upper end of the connecting ring corresponding to the matching part of the ball head and the ball socket through screws;
s3 mounting an autocollimator mount at the upper end of the support ring;
s4, mounting and aligning an autocollimator;
firstly, mounting an autocollimator fixing seat on which an autocollimator is mounted in advance on the vertical edge of an autocollimator mounting seat; then, mounting a target indicator on the autocollimator tube, rotating adjusting knobs on the three adjusting rods according to a light reflecting point of the target indicator to adjust the posture of the adjustable base until the axis of the autocollimator tube is basically parallel to the normal of the reference mirror, and removing the target indicator; and then observing the reflected image on an autocollimator monitor, and finely adjusting the autocollimator until the reading of the autocollimator approaches zero, so as to finish the attitude alignment of the horizontal reference mirror.
The invention has the advantages and positive effects that:
1. the adjustable base realizes the vertical installation of the autocollimator through the combination of the tripod, the adjustable base and the autocollimator mounting seat, and the adjustable base adjusts the position of the support ring through adjusting three adjusting rods, so that the posture of the autocollimator can be conveniently adjusted.
2. When the adjustable base is used for aligning the posture of the horizontal reference mirror, the target indicator can be mounted on the mirror tube of the autocollimator, so that the initial alignment of the autocollimator is facilitated, and the alignment efficiency of the horizontal reference mirror is improved.
3. The method for aligning the attitude of the horizontal reference mirror is simple to operate and easy to realize.
Drawings
FIG. 1 is a reference view of the vertical mounting of an adjustable base for an autocollimator of the present invention in use;
fig. 2 is a schematic structural view of the tripod in fig. 1, wherein 2a is a front view and 2b is a top view;
FIG. 3 is a schematic view of the adjustable base of FIG. 1 coupled to the coupling ring, with FIG. 3a being a front view and FIG. 3b being a top view; 3c is a partial cross-sectional enlarged view;
fig. 4 is a schematic structural diagram of the autocollimator mount of fig. 1, in which fig. 4a is a front view, fig. 4b is a side view, and fig. 4c is a top view.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments, which are illustrative, not restrictive, and the scope of the invention is not limited thereto.
The invention relates to an adjustable base for vertically mounting an autocollimator, which is shown in figures 1-4 and has the following points: the device comprises a tripod 3, an adjustable base 2 and an autocollimator mounting base 1, wherein the three parts are sequentially connected from bottom to top.
The tripod comprises three supporting legs 3.2 and a go-between 3.1, and three supporting legs are 120 equipartition settings along the circumferencial direction, and the go-between passes through modes fixed connection such as welding with the upper end of three supporting legs. For the increase support area of contact, improve the stability of support, three supporting legs are the outer slope setting by upper end to lower extreme. Three ball sockets 3.1.1 are uniformly distributed at the upper end of the connecting ring along the circumferential direction.
The adjustable base comprises a support ring 2.1 and three adjusting rods 2.2 with the same structure. Three threaded holes 2.1.1 are uniformly distributed on the support ring along the circumferential direction, and the axial direction of the threaded holes is consistent with the axial direction of the support ring. The upper end of adjusting the pole is provided with external screw thread 2.2.1, and the lower extreme of adjusting the pole is bulb end 2.2.2, and the sphere diameter of bulb end is greater than the diameter of adjusting the pole, is fixed with adjust knob 2.3 at the middle part of adjusting the pole, and adjust knob's outer peripheral face can be done handles such as annular knurl to increase contact friction. The ball head ends of the three adjusting rods are respectively embedded in three ball sockets on the connecting ring to form ball hinge, and external thread parts at the upper ends of the three adjusting rods are respectively connected with three threaded holes on the support ring, so that the support ring is erected over the connecting ring in an adjustable manner.
The autocollimator mount pad is L type bent plate seat, and the bent plate seat is installed in the top of support ring, and the horizontal limit 1.2 in bottom of bent plate seat passes through screw fixed connection with the support ring, is provided with connecting hole 1.1.1 on the stile 1.1 of bent plate seat, through wearing the screw of adorning in the mounting hole with autocollimator fixing base fixed mounting in the stile inboard of bent plate seat, the position directly over the support ring, the autocollimator is installed perpendicularly on the autocollimator fixing base.
In the structure, furthermore, the area of the ball socket on the connecting ring is larger than that of the ball head on the adjusting rod, and the diameter of the upper port of the ball socket is not larger than the spherical diameter of the ball socket surface, namely the ball socket is not larger than the hemispherical ball socket. The upper end of the connecting ring is provided with two limiting baffles corresponding to the matched position of each ball head and the ball socket, and after the two limiting baffles are in butt joint, a round hole for the rod body of the adjusting rod to pass through is formed in the middle of the two limiting baffles, so that the ball head end is limited in the ball socket, and the ball head end is separated from the ball socket. The ball head and the ball socket preferably adopt the matching structure, so that the assembly of the adjusting rod and the connecting ring is facilitated, meanwhile, the limiting of the ball head can be realized after the assembly, and the ball head end of the adjusting rod is prevented from sliding out of the ball socket.
A horizontal reference mirror attitude alignment method is based on the adjustable base vertically installed by the autocollimator, and comprises the following operation steps:
s1 mounting a tripod: placing the tripod above the horizontal reference mirror, wherein the lower ends of the three support legs are positioned at the periphery of the horizontal reference mirror;
s2, mounting an adjustable base; the upper end parts of the three adjusting rods are connected with the support ring, then the ball head ends of the three adjusting rods are respectively embedded into three ball sockets on the connecting ring, and under the condition that the limiting baffle is arranged, the limiting baffle is fixed to the upper end of the connecting ring corresponding to the matching part of the ball head and the ball socket through screws;
s3 mounting an autocollimator mount at the upper end of the support ring; specifically, two threaded holes are processed at the upper end of the support ring, two screw holes are processed on the bottom edge of the autocollimator mounting seat, the two screw holes are aligned with the two threaded holes, and the autocollimator mounting seat is fixed above the support ring through two screws installed in the screw holes and the threaded holes.
S4, mounting and aligning an autocollimator;
firstly, mounting an autocollimator fixing seat on which an autocollimator is mounted in advance on the vertical edge of an autocollimator mounting seat; then, mounting a target indicator on the autocollimator tube, rotating adjusting knobs on the three adjusting rods according to a light reflecting point of the target indicator to adjust the posture of the adjustable base until the axis of the autocollimator tube is basically parallel to the normal of the reference mirror, and removing the target indicator; then observing the reflected image on an autocollimator monitor, finely adjusting the autocollimator (the autocollimator is provided with a horizontal and azimuth fine adjustment mechanism) until the autocollimator reading approaches zero, and finishing the attitude alignment of the horizontal reference mirror.
Although the embodiments and figures of the present invention have been disclosed for illustrative purposes, those skilled in the art will appreciate that: various substitutions, changes and modifications are possible without departing from the spirit and scope of the invention and the appended claims, and therefore the scope of the invention is not limited to the disclosure of the embodiments and figures.
Claims (4)
1. The utility model provides an adjustable base of autocollimator vertical installation which characterized in that: the device comprises a tripod, an adjustable base and an autocollimator mounting seat;
the tripod is composed of three supporting legs and a connecting ring, the three supporting legs are uniformly distributed along the circumferential direction at an angle of 120 degrees, and the connecting ring is fixedly connected with the upper ends of the three supporting legs; three ball sockets are uniformly distributed at the upper end of the connecting ring along the circumferential direction;
the adjustable base comprises a support ring and three adjusting rods with the same structure; three threaded holes are uniformly distributed in the circumferential direction on the support ring, and the axial direction of the threaded holes is consistent with the axial direction of the support ring; the upper end part of the adjusting rod is provided with external threads, the lower end of the adjusting rod is a ball head end, the diameter of the spherical surface of the ball head end is larger than that of the adjusting rod, and an adjusting knob is fixed in the middle of the adjusting rod; the ball head ends of the three adjusting rods are respectively embedded in three ball sockets on the connecting ring to form ball hinge, and external thread parts at the upper ends of the three adjusting rods are respectively connected with three threaded holes on the support ring, so that the support ring is erected over the connecting ring in an adjustable manner;
the autocollimator mounting base is an L-shaped bent plate base, the bent plate base is mounted above the support ring, the transverse edge of the bottom of the bent plate base is fixedly connected with the support ring through screws, connecting holes are formed in the vertical edge of the bent plate base, an autocollimator fixing base is fixedly mounted on the inner side of the vertical edge of the bent plate base and right above the support ring through screws penetrating in the mounting holes, and the autocollimator is vertically mounted on the autocollimator fixing base.
2. The vertical mounting adjustable base for an autocollimator of claim 1, wherein: the three supporting legs are arranged in an outward inclined mode from the upper end to the lower end.
3. The vertical mounting adjustable base for an autocollimator of claim 1, wherein: the area of a ball socket on the connecting ring is larger than that of a ball head on the adjusting rod, and the diameter of an upper port of the ball socket is not larger than the spherical diameter of a ball socket surface; and a limiting baffle is arranged at the upper end of the connecting ring corresponding to the matched position of each ball head and each ball socket.
4. A method for aligning the attitude of a horizontal reference mirror, based on the autocollimator vertical mount adjustable base of any one of claims 1 to 3, comprising the steps of:
s1 mounting a tripod: placing the tripod above the horizontal reference mirror, wherein the lower ends of the three support legs are positioned at the periphery of the horizontal reference mirror;
s2, mounting an adjustable base; the upper end parts of the three adjusting rods are connected with the support ring, then the ball head ends of the three adjusting rods are respectively embedded into three ball sockets on the connecting ring, and under the condition that the limiting baffle is arranged, the limiting baffle is fixed to the upper end of the connecting ring corresponding to the matching part of the ball head and the ball socket through screws;
s3 mounting an autocollimator mount at the upper end of the support ring;
s4, mounting and aligning an autocollimator;
firstly, mounting an autocollimator fixing seat on which an autocollimator is mounted in advance on the vertical edge of an autocollimator mounting seat; then, mounting a target indicator on the autocollimator tube, rotating adjusting knobs on the three adjusting rods according to a light reflecting point of the target indicator to adjust the posture of the adjustable base until the axis of the autocollimator tube is basically parallel to the normal of the reference mirror, and removing the target indicator; and then observing the reflected image on an autocollimator monitor, and finely adjusting the autocollimator until the reading of the autocollimator approaches zero, so as to finish the attitude alignment of the horizontal reference mirror.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010190854.6A CN111365588A (en) | 2020-03-18 | 2020-03-18 | Adjustable base for vertically mounting autocollimator and horizontal reference mirror attitude alignment method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010190854.6A CN111365588A (en) | 2020-03-18 | 2020-03-18 | Adjustable base for vertically mounting autocollimator and horizontal reference mirror attitude alignment method |
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| CN111365588A true CN111365588A (en) | 2020-07-03 |
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| CN202010190854.6A Pending CN111365588A (en) | 2020-03-18 | 2020-03-18 | Adjustable base for vertically mounting autocollimator and horizontal reference mirror attitude alignment method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113002725A (en) * | 2021-02-23 | 2021-06-22 | 江南造船(集团)有限责任公司 | Installation and calibration method of azimuth reference mirror |
| CN113514042A (en) * | 2021-04-25 | 2021-10-19 | 山东大学 | Fixing and auxiliary alignment device and method for vertical measurement of autocollimator |
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