CN209417385U - A kind of heavy caliber jointing grating precision adjustment frame - Google Patents

Abstract

The utility model discloses a kind of heavy caliber jointing grating precision adjustment frame, including pedestal, crossbeam is fixedly connected at the top of the pedestal, mounting plate is fixedly connected in one end of crossbeam, mounting plate is connect with beam vertical, mounting plate pivots the first grating of axis connection adjustment frame by first, the axis of first pivotal axis and the axis of crossbeam are parallel, first grating adjustment frame is equipped with the first grating assembly, first grating assembly is connect by the second pivotal axis with the first grating adjustment frame, the axis of first pivotal axis is vertical with the axis of the second pivotal axis, the second grating adjustment frame is equipped in the other end of crossbeam, second grating adjustment frame is connect by third pivotal axis with crossbeam.Adjustment frame described in the technical program can adjust the first grating and rotate horizontally on adjustment frame and rotate vertically, and the second grating of adjustment is moved forward and backward on adjustment frame, moves left and right, rotating horizontally and improve the first grating and the second grating combination flexible adjustment.

Description

A kind of heavy caliber jointing grating precision adjustment frame

Technical field

The utility model relates to gratings to adjust engineering device technique field, and in particular to a kind of heavy caliber jointing grating precision adjustment Frame.

Background technique

In ultra-short pulse laser fast ignition physical study, the core element of laser pulse chirp amplification and compression (CPA) First is that reach the heavy caliber defraction grating device of meter magnitude or more, however the manufacturing process of heavy caliber diffraction grating it is complicated, at This height, process-cycle are long, and the monolithic grating of maximum caliber is the manufacture of U.S.'s livermore national laboratory in the world at present The holographic gold-plated grating of the heavy caliber of 94cm；Therefore heavy-caliber optical grating technology and methods are spliced into using more small-bore grating, obtained The attention of world many countries scientific research institutions.

Realize that the key problem in technology of grating splicing is: the coplanar precision of grating to be spliced is realized and each grating line is flat The realization of row, coplanar precision usually should ensure that in the rice order of magnitude；Secondly each grating diffration wave battle array phase difference is not less than each Position Xiang Jingdu possessed by grating itself.It just can guarantee that jointing grating is equal to one block of complete grating and comes using therefore in this way Grating splicing requires adjustment device Adjustment precision height, stability good.

And existing heavy caliber jointing grating adjustment frame per one-dimensional adjustment be it is independent will not cause to link, therefore it is conventional Adjustment frame combination carry out reflecting grating adjustment when, structure is not compact enough, and stability is lower, and regulated efficiency is low, the time of consuming It is long.

Based on this, a kind of heavy caliber jointing grating precision adjustment frame is provided.

Utility model content

To be solved in the utility model is that grating adjustment frame regulated efficiency when adjusting grating is low in the prior art, is expended The technical issues of long period, structure is not compact enough, influences stability is, and it is an object of the present invention to provide a kind of heavy caliber jointing grating is accurate Adjustment frame.

The utility model is achieved through the following technical solutions:

A kind of heavy caliber jointing grating precision adjustment frame, including pedestal, are fixedly connected with crossbeam at the top of the pedestal, It is fixedly connected with mounting plate in one end of crossbeam, the mounting plate is connect with beam vertical, and mounting plate is connected by the first pivotal axis The first grating adjustment frame is connect, the axis of first pivotal axis is parallel with the axis of crossbeam, the first grating adjustment frame installation There is the first grating assembly, the first grating assembly is connect by the second pivotal axis with the first grating adjustment frame, first pivotal axis Axis it is vertical with the axis of the second pivotal axis, crossbeam the other end be equipped with the second grating adjustment frame, the second grating tune Whole frame is connect by third pivotal axis with crossbeam, and the second grating assembly, second light are connected on the second grating adjustment frame The axis of grid component and the axis of crossbeam are parallel.

Adjustment frame described in the technical program carries out five dimension precision adjustment to the first grating and the second grating.The tune The first grating adjustment frame and the second grating adjustment frame are provided on transverse slat on whole frame, the first grating adjustment frame can control first Grating is accurately positioned along the first pivotal axis and the second pivotal axis direction of rotation.Second grating adjustment frame can control the second grating edge Third pivotal axis direction of rotation is accurately positioned, while the second grating adjustment frame enough controls second grating or so and front and back adjustment.It is logical The cooperation of the mutual alignment between the first grating adjustment frame and the second grating adjustment frame is crossed, guarantees the first grating and the second light of splicing Grid be equal to one block of complete grating come using.

Further, in order to preferably realize this programme, the mounting plate, which is equipped with, drives the rotation of the first grating adjustment frame First driving mechanism of movement, the first driving mechanism pivot axis connection with first, and the first grating adjustment frame is equipped with driving Second driving mechanism of the first grating assembly rotary motion, second driving mechanism pivot axis connection with second.

Further, in order to preferably realize this programme, first grating assembly is including the first grating mounting plate and admittedly First grating of the Dingan County on the first grating mounting plate, the first grating mounting plate are rectangular slab, the first grating peace The upper and lower ends of loading board are equipped with the mounting hole being flexibly connected with the second pivotal axis, and the second pivotal axis is freely rotated in mounting hole.

Further, in order to preferably realize this programme, the crossbeam, which is equipped with, drives the second grating adjustment frame rotation fortune Dynamic third driving mechanism, third driving mechanism and third pivot axis connection, and the transverse slat is equipped with driving the second grating adjustment The 4th driving mechanism that frame moves forward and backward, the 4th driving mechanism and third pivot axis connection.

Further, in order to preferably realize this programme, second grating assembly is including the second grating mounting plate and admittedly Second grating of the Dingan County on the second grating mounting plate, the second grating mounting plate are rectangular slab, are installed in the second grating The mounting groove of the second grating of installation is offered on plate, second grating left and right in mounting groove moves freely.

Further, in order to preferably realize this programme, guide rail, institute are equipped in the mounting groove of the second grating mounting plate It states there are two guide rail sets, two guide rails are fixedly mounted on the upper and lower ends of mounting groove, the upper and lower ends difference of second grating It is slidably connected with guide rail, the 5th driving machine that the second grating of driving moves along a straight line along guide rail is equipped on the second grating mounting plate Structure.

Further, in order to preferably realize this programme, first driving mechanism, the second driving mechanism, third are driven Mechanism is piezoelectric-type single-degree-of-freedom precision rotary actuator, and the 4th driving mechanism, the 5th driving mechanism are that mangneto is stretched Contracting driver.

Further, in order to preferably realize this programme, the top of the pedestal is equipped with shaft, and shaft is vertical with pedestal to be connected It connects, being pivotally connected on the shaft has turntable, and turntable is freely rotated in shaft, and the first installation is fixedly connected on turntable Plate, first mounting plate are equipped with guide rail, and be slidably connected the second mounting plate on guide rail, and second mounting plate is along guide rail Length direction moves freely, and is fixedly connected with locating piece at the top of the second mounting plate, puts at the top of locating piece equipped with arc Platform, arc driver of setting a table are set a table with arc and are connect, and the pitch angle that arcuate oscillating motion driver driving arc is set a table is adjusted, described Arc is set a table as rectangle mechanism, and the bottom surface that arc is set a table is arc-shaped, the top surface phase of the bottom surface that the arc is set a table and locating piece It cuts, arc top of setting a table offers mounting hole, is combined with to set in mounting hole and adjusts arc and set a table the adjusting spiral shell of pitch angle Nail, the end for adjusting screw are threadedly coupled with locating piece, and the top that the arc is set a table is connected with vertical plate, the vertical plate and arc It sets a table vertical connection, being pivotally connected on the side of vertical plate has shaft, and the axis of the shaft and the axis of shaft are vertical.

Further, in order to preferably realize this programme, the pedestal, which is equipped with, drives the mangneto of dial turning motion to stretch The shell of contracting driver, the magnetic telescopic driver is fixedly connected with pedestal, the output rod of magnetic telescopic driver and first The side wall of mounting plate offsets, and reset spring is equipped between the shell of the magnetic telescopic driver and the side wall of the first mounting plate, The reset spring is extension spring.

Further, in order to preferably realize this programme, there are two the guide rail is set, two guide rails are parallel and interval setting On the first mounting plate, the bottom surface of second mounting plate is equipped with the sliding block being slidably connected with guide rail, and the sliding block is on guide rail It moves freely, the driving mechanism that the second mounting plate of driving is moved along guide rail rectilinear direction, the drive is equipped between two guide rails Motivation structure includes the bearing block being arranged on the first mounting plate, there are two the bearing block is set, is combined with silk on two bearing blocks Bar is threaded with nut on the screw rod, and the outer wall of nut is fixedly connected with the bottom surface of the second mounting plate, the axis of the screw rod Line is parallel with the length direction of guide rail, is connected with driving screw rod in one end of screw rod and turns counter-rotational motor, the motor is solid It is scheduled on the first mounting plate.

Further, in order to preferably realize this programme, the vertical plate is equipped with the piezo-electric type of drive shaft rotary motion The stator of single-degree-of-freedom precision rotary actuator, the piezoelectric-type single-degree-of-freedom precision rotary actuator is fixedly connected with vertical plate, The rotor of piezoelectric-type single-degree-of-freedom precision rotary actuator is connect with shaft.

Further, in order to preferably realize this programme, the two sides of the locating piece are separately installed with limit plate, the limit The top of position plate is equipped with positive stop strip, and the arc is set a table between two limit plates.

Further, in order to preferably realize this programme, it is described adjust screw and be located remotely from the arc in vertical plate direction set a table On, the adjusting screw is for adjusting the pitch angle that arc is set a table.

The utility model compared with prior art, has the following advantages and benefits:

(1) adjustment frame described in the technical program can adjust the first grating and rotate horizontally on adjustment frame and revolve vertically Turn, the second grating of adjustment is moved forward and backward on adjustment frame, moves left and right, rotates horizontally, and regulated efficiency is high, easy to use, structure It is compact, improve the flexibility that the first grating and the second grating combination are adjusted.

(2) it is set on the first mounting plate in the technical program there are two being parallel to each other and spaced guide rail, in guide rail On slidably connect the second mounting plate, the second mounting plate is freely rotated on guide rail along the rectilinear direction of guide rail.Simultaneously first The driving mechanism that the second mounting plate of driving moves along a straight line on guide rail, the driving mechanism the second installation of driving are provided on mounting plate Plate straight line back and forth movement on guide rail realizes grating horizontal rectilinear motion on the adjustment mechanism and adjusts.3) this adjustment mechanism Locating piece and arc is provided on the second mounting plate to set a table, the bottom surface that arc is set a table be it is arc-shaped, the bottom surface that arc is set a table with The top surface of locating piece is tangent, and arc, which is set a table through driving mechanism, adjusts the angle that arc is set a table between locating piece, is come with this Realize the pitch angle for adjusting grating on the adjustment mechanism.

(3) the technical program is equipped with turntable at the top of pedestal, and the first mounting plate at the top of turntable can be relative to The movement of pedestal forward and reverse rotation realizes grating forward and reverse left rotation and right rotation on the adjustment mechanism and adjusts.

Detailed description of the invention

Attached drawing described herein is used to provide to further understand the utility model embodiment, constitutes the one of the application Part does not constitute the restriction to the utility model embodiment.In the accompanying drawings:

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the structural perspective of the utility model；

Fig. 3 is the structural schematic diagram of embodiment 2；

Fig. 4 is the partial structural diagram of Fig. 3；

Fig. 5 is the utility model shaft schematic diagram.

Label and corresponding parts title in attached drawing:

1- pedestal, 2- crossbeam, 3- mounting plate, 4- the first grating adjustment frame, the second driving mechanism of 5-, the first driving machine of 6- Structure, 7- the first grating mounting plate, the first grating of 8-, 9- the second grating adjustment frame, 10- third pivotal axis, the second grating of 11- peace Loading board, the second grating of 12-, 13- third driving mechanism, the 4th driving mechanism of 14-, the 5th driving mechanism of 15-, 16- guide rail, 17- First pivotal axis, the second pivotal axis of 18-, 22- turntable, the first mounting plate of 23-, the second mounting plate of 24-, 25- magnetostriction driving Device, 26- motor, 27- locating piece, 28- arc are set a table, and 29- adjusts screw, 30- vertical plate, 31- shaft, 32- piezo-electric type list freedom Spend precision rotary actuator, 33- limit plate, 34- grating, 35- arc sets a table driver.

Specific embodiment

For the purpose of this utility model, technical solution and advantage is more clearly understood, below with reference to embodiment and attached drawing, The utility model is described in further detail, and the exemplary embodiment and its explanation of the utility model are only used for explaining this Utility model is not intended to limit the scope of the present invention.

Embodiment 1:

As shown in Figure 1 to Figure 2, a kind of heavy caliber jointing grating precision adjustment frame, including pedestal 1, it is solid at the top of pedestal 1 Surely it is connected with crossbeam 2, mounting plate 3 is fixedly connected with by screw in the left end of crossbeam 2, the mounting plate 3 is vertical with crossbeam 1 to be connected It connects.The right side plate face of mounting plate 3 is pivotally connected the first pivotal axis 17, and the first pivotal axis 17 connects the first grating adjustment frame 4, described The axis of first pivotal axis 17 is parallel with the axis of crossbeam 2；The left side plate face of mounting plate 3 is fixedly connected with driving the first grating adjustment First driving mechanism 6 of 4 rotary motion of frame, the first driving mechanism 6 are connect with the first pivotal axis 17.First driving mechanism 6 is preferably For piezoelectric-type single-degree-of-freedom precision rotary actuator, piezoelectric-type single-degree-of-freedom precision rotary actuator has higher driving precision, Improve the control precision of grating adjusting.First driving mechanism 6 drives the first pivotal axis 17 and the adjustment of the first grating by rotation The movement of 4 synchronous rotary of frame.

First grating adjustment frame 4 is equipped with the first grating assembly, and the first grating assembly passes through the second pivotal axis 18 and first Grating adjustment frame 4 connects, and the axis of the first pivotal axis 17 is vertical with the axis of the second pivotal axis 18.First grating assembly includes the One grating mounting plate 7 and the first grating 8 being fixedly mounted on the first grating mounting plate 7.First grating mounting plate 7 is rectangle Plate, the upper and lower ends of the first grating mounting plate 7 are equipped with the mounting hole being flexibly connected with the second pivotal axis 18, and the second pivotal axis 18 exists It is freely rotated in mounting hole.First grating adjustment frame 4 is equipped with the second driving mechanism of the first grating assembly rotary motion of driving 5, the second driving mechanism 5 is connect with the second pivotal axis 18.Second driving mechanism 5 is preferably that piezoelectric-type single-degree-of-freedom precision rotation is driven Dynamic device, piezoelectric-type single-degree-of-freedom precision rotary actuator have higher driving precision, improve the control precision of grating adjusting.The Two driving mechanisms 5 drive the second pivotal axis 18 and the movement of the first grating assembly synchronous rotary by rotation.

It is equipped with the second grating adjustment frame 9 in the right end of crossbeam 2, the second grating adjustment frame 9 passes through third pivotal axis 10 and cross Beam 2 connects, and the second grating assembly, the axis of the second grating assembly and the axis of crossbeam 2 are connected on the second grating adjustment frame 9 In parallel.Crossbeam 2 be equipped with driving 9 rotary motion of the second grating adjustment frame third driving mechanism 13, third driving mechanism 13 with Third pivotal axis 10 connects.Third driving mechanism 13 is preferably piezoelectric-type single-degree-of-freedom precision rotary actuator, and piezo-electric type list is certainly There is higher driving precision by degree precision rotary actuator, improve the control precision of grating adjusting.Third driving mechanism 13 is logical It crosses rotation and drives third pivotal axis 10 and the movement of 9 synchronous rotary of the second grating adjustment frame.

The 4th driving mechanism 14 that the second grating adjustment frame 9 of driving moves forward and backward, the 4th driving mechanism are additionally provided on transverse slat 2 14 connect with third pivotal axis 10.4th driving mechanism 14 is preferably magnetic telescopic driver, and magnetic telescopic driver can be real Existing nano grade positioning precision, improves the control precision of grating adjusting.4th driving mechanism 14 is pivoted by flexible driving third Axis 10 and the second grating adjustment frame 9 synchronize move forward and backward.

Second grating assembly include the second grating mounting plate 11 and be fixedly mounted on the second grating mounting plate 11 second Grating 12, the second grating mounting plate 11 are rectangular slab, and the peace of the second grating 12 of installation is offered on the second grating mounting plate 11 Tankage, the second grating 12 left and right in mounting groove move freely.It is equipped with guide rail 16 in the mounting groove of second grating mounting plate 11, leads There are two rail 16 is set, two guide rails 16 are fixedly mounted on the upper and lower ends of mounting groove, the upper and lower ends of the second grating 12 respectively with Guide rail 16 is slidably connected.The the second grating 12 of driving moves along a straight line along guide rail 16 the 5th is equipped on the second grating mounting plate 11 Driving mechanism 15, the 5th driving mechanism 15 are preferably magnetic telescopic driver, and it is fixed that nanoscale may be implemented in magnetic telescopic driver Position precision, improves the control precision of grating adjusting.

Embodiment 2:

On the basis of embodiment 1, shown in Fig. 3, Fig. 4, it is equipped with shaft at the top of pedestal 1, shaft is located in pedestal 1 Heart position, shaft is vertical with pedestal 1 to be connect.Being pivotally connected on shaft has turntable 22, and turntable 22 is freely rotated in shaft.Turning The first mounting plate 23 is fixedly connected on disk 22, pedestal 1 is equipped with the magnetic telescopic driver 25 of driving 22 rotary motion of turntable, The shell of magnetic telescopic driver 25 is fixedly connected with the top surface of pedestal 1, the output rod of magnetic telescopic driver 25 and the first peace The side wall of loading board 23 offsets.Reset spring is equipped between the shell of magnetic telescopic driver 25 and the side wall of the first mounting plate 23, Reset spring is extension spring, reset spring for elasticity magnetic telescopic driver 25 shell and the first mounting plate 23 Between side wall, the side wall of the output rod and the first mounting plate 23 that keep magnetic telescopic driver 25 remains the state of offseting.Magnetic It causes telescopic driver 25 that nano grade positioning precision may be implemented, improves the control precision of the adjusting of grating 14.

Guide rail is equipped on the first mounting plate 23, be slidably connected the second mounting plate 24 on guide rail, and the second mounting plate 24 is on edge The length direction of guide rail moves freely.There are two guide rail is set, two guide rails are parallel and are arranged at intervals on the first mounting plate 23.The The bottom surface of two mounting plates 24 is equipped with the sliding block being slidably connected with guide rail, and sliding block moves freely on guide rail.Between two guide rails Equipped with the driving mechanism that the second mounting plate 24 of driving is moved along guide rail rectilinear direction, which includes setting in the first installation Bearing block on plate 23 there are two bearing block is set, is combined with screw rod, nut, spiral shell is threaded on screw rod on two bearing blocks Female outer wall is fixedly connected with the bottom surface of the second mounting plate 24.The axis of screw rod and the length direction of guide rail are parallel, in screw rod One end is connected with driving screw rod and turns counter-rotational motor 26, and motor 26 is preferably stepper motor, and motor 26 is fixed on the first peace In loading board 23.Motor 26 drives the nut on screw rod to move linearly on screw rod by forward and reverse rotation, and nut drives the second peace Loading board 4 moves along a straight line on the direction that guide rail is set.

It is fixedly connected with locating piece 27 at the top of the second mounting plate 24, is set a table at the top of locating piece 27 equipped with arc 28, arc sets a table driver 35 and arc is set a table 28 connections, the pitch angle tune that arcuate oscillating motion driver 35 drives arc to set a table Section, arc set a table 28 as rectangular configuration, and set a table 28 bottom surface of arc is arc-shaped surface, and set a table 28 top surface of arc is plane.Arc Shape set a table 28 bottom surface and locating piece 27 top surface it is tangent, offer mounting hole, cooperation in mounting hole in arc 28 top surfaces of setting a table Have to set and adjust arc and set a table the adjusting screws 29 of 28 pitch angles, the end for adjusting screw 29 is threadedly coupled with locating piece 27.It is logical Cross the screwing length of turning adjusting screw 29 and locating piece 27 adjust arc set a table 28 and positioning fast 7 between angle it is big It is small, realize the pitch angle for adjusting grating 34 on the adjustment mechanism.The two sides of locating piece 27 are separately installed with limit plate 33, limit The top of position plate 33 is equipped with positive stop strip, and for preventing arc from setting a table about 28 plays, arc is set a table 8 to be located at two and limit positive stop strip Between plate 33, sets a table and 28 limit to arc.

Set a table 28 top of arc is connected with vertical plate 30, vertical plate 30 and arc set a table 28 it is vertical connect, in the side of vertical plate 30 Being pivotally connected on face has shaft 31, and for shaft 31 for installing grating 34, the axis of shaft 31 and the axis of shaft are vertical.Vertical plate 30 are equipped with the piezoelectric-type single-degree-of-freedom precision rotary actuator 32 of 31 rotary motion of drive shaft, piezoelectric-type single-degree-of-freedom precision The stator of rotating driver 32 is fixedly connected with vertical plate 30, the rotor and shaft of piezoelectric-type single-degree-of-freedom precision rotary actuator 32 31 connections.Piezoelectric-type single-degree-of-freedom precision rotary actuator 32 has higher driving precision, improves the control of the adjusting of grating 34 Precision.

Preferred embodiment scheme adjusts screw 29 and is located remotely from the arc in 30 direction of vertical plate and sets a table necessary locking arc on 28 Set a table, arc set a table driver 35 for adjust arc set a table 28 pitch angle.

Grating adjusting structure described in the present embodiment can adjust grating and move horizontally on adjustment mechanism, pitching rotation, The four dimensions rotate left and right, being rotated up and down are adjusted, and regulated efficiency is high, easy to use, compact-sized, improve grating tune The flexibility of section.

Above-described specific embodiment, to the purpose of this utility model, technical scheme and beneficial effects carried out into One step is described in detail, it should be understood that being not used to limit the foregoing is merely specific embodiment of the present utility model Determine the protection scope of the utility model, within the spirit and principle of the utility model, any modification for being made equally is replaced It changes, improve, should be included within the scope of protection of this utility model.

Claims (6)

1. a kind of heavy caliber jointing grating precision adjustment frame, which is characterized in that solid at the top of the pedestal including pedestal (1) Surely crossbeam (2) are connected with, are fixedly connected with mounting plate (3) in one end of crossbeam (2), the mounting plate (3) is vertical with crossbeam (2) Connection, mounting plate (3) connect the first grating adjustment frame (4), the axis of first pivotal axis (17) by the first pivotal axis (17) Line is parallel with the axis of crossbeam (2), and the first grating adjustment frame (4) is equipped with the first grating assembly, and the first grating assembly is logical It crosses the second pivotal axis (18) to connect with the first grating adjustment frame (4), the axis and the second pivotal axis of first pivotal axis (17) (18) axis is vertical, is equipped with the second grating adjustment frame (9) in the other end of crossbeam (2), the second grating adjustment frame (9) is logical It crosses third pivotal axis (10) to connect with crossbeam (2), connects the second grating assembly on the second grating adjustment frame (9), described The axis of two grating assemblies is parallel with the axis of crossbeam (2), and the mounting plate (3) is equipped with the first grating adjustment frame (4) of driving The first driving mechanism (6) of rotary motion, the first driving mechanism (6) are connect with the first pivotal axis (17), the first grating tune Whole frame (4) be equipped with driving the first grating assembly rotary motion the second driving mechanism (5), second driving mechanism (5) with Second pivotal axis (18) connection, first grating assembly include the first grating mounting plate (7) and are fixedly mounted on the first grating The first grating (8) on mounting plate, the first grating (8) mounting plate be rectangular slab, the first grating mounting plate (7) it is upper Lower both ends are equipped with the mounting hole being flexibly connected with the second pivotal axis (18), and the second pivotal axis (18) is freely rotated in mounting hole, The crossbeam (2) is equipped with the third driving mechanism (13) of second grating adjustment frame (9) rotary motion of driving, third driving mechanism (13) it is connect with third pivotal axis (10), the crossbeam is equipped with the 4 wheel driven that the second grating adjustment frame (9) of driving moves forward and backward Motivation structure (14), the 4th driving mechanism (14) and third pivot axis connection, and second grating assembly includes the second grating Mounting plate (11) and the second grating (12) being fixedly mounted on the second grating mounting plate, the second grating (12) mounting plate are Rectangular slab offers the mounting groove of the second grating of installation on the second grating mounting plate (11), and second grating is in mounting groove Interior left and right moves freely, and guide rail is equipped in the mounting groove of the second grating mounting plate (11), there are two the guide rail is set, two Guide rail is fixedly mounted on the upper and lower ends of mounting groove, and the upper and lower ends of second grating (12) are slidably connected with guide rail respectively, The 5th driving mechanism (15) that driving the second grating (12) moves along a straight line along guide rail, institute are equipped on the second grating mounting plate (11) The top for stating pedestal (1) is equipped with shaft, and shaft is vertical with pedestal (1) to be connect, and being pivotally connected on the shaft has turntable (22), turns Disk (22) is freely rotated in shaft, is fixedly connected on turntable (22) the first mounting plate (23), first mounting plate (23) it is equipped with guide rail, is slidably connected the second mounting plate (24) on guide rail, second mounting plate (24) is in the length along guide rail Direction moves freely, and is fixedly connected with locating piece at the top of the second mounting plate (24), puts at the top of locating piece equipped with arc Platform (28), arc set a table driver (35) set a table with arc (28) connect, arcuate oscillating motion driver (35) driving arc is set a table Pitch angle is adjusted, and the arc is set a table as rectangle mechanism, arc set a table (28) bottom surface be it is arc-shaped, the arc is set a table (28) top surface of bottom surface and locating piece (27) is tangent, and the arc (28) top of setting a table offers mounting hole, matches in mounting hole It closes to have to set and adjusts arc and set a table the adjusting screw (29) of pitch angle, the end and locating piece (27) screw thread for adjusting screw (29) connect It connects, the top that the arc is set a table is connected with vertical plate (30), and the vertical plate (30) is set a table with arc, and (28) are vertical to be connect, in vertical plate (30) being pivotally connected on side has shaft (31), and the axis of the shaft and the axis of shaft are vertical.

2. a kind of heavy caliber jointing grating precision adjustment frame according to claim 1, which is characterized in that set on the pedestal There are the magnetic telescopic driver (25) of driving dial turning motion, shell and pedestal (1) of the magnetic telescopic driver (25) It is fixedly connected, the side wall of the output rod and the first mounting plate of magnetic telescopic driver (25) offsets, the magnetic telescopic driver Shell and the first mounting plate (23) side wall between be equipped with reset spring, the reset spring be extension spring.

3. a kind of heavy caliber jointing grating precision adjustment frame according to claim 1, which is characterized in that two guide rails are parallel And be arranged at intervals on the first mounting plate (23), the bottom surface of second mounting plate (24) is equipped with the cunning being slidably connected with guide rail Block, the sliding block move freely on guide rail, and driving the second mounting plate (24) is equipped between two guide rails along guide rail straight line side To the driving mechanism of movement, the driving mechanism includes the bearing block being arranged on the first mounting plate, and the bearing block is equipped with two It is a, it is combined with screw rod on two bearing blocks, nut, the bottom of the outer wall of nut and the second mounting plate are threaded on the screw rod Face is fixedly connected, and the axis of the screw rod and the length direction of guide rail are parallel, is connected with driving screw rod in one end of screw rod and is turned anti- To the motor (26) of rotation, the motor is fixed on the first mounting plate (23).

4. a kind of heavy caliber jointing grating precision adjustment frame according to claim 1, which is characterized in that the vertical plate (30) It is equipped with the piezoelectric-type single-degree-of-freedom precision rotary actuator (32) of drive shaft rotary motion, the piezoelectric-type single-degree-of-freedom essence The stator of close rotating driver (32) is fixedly connected with vertical plate (30), the rotor of piezoelectric-type single-degree-of-freedom precision rotary actuator with Shaft connection.

5. a kind of heavy caliber jointing grating precision adjustment frame according to claim 1, which is characterized in that the locating piece Two sides are separately installed with limit plate, and the top of the limit plate is equipped with positive stop strip, the arc set a table positioned at two limit plates it Between.

6. a kind of heavy caliber jointing grating precision adjustment frame according to claim 1, which is characterized in that the adjusting screw (29) be located remotely from vertical plate direction arc set a table on, it is described adjust screw and be used to adjust arc set a table the pitch angle of (28).