Grating diffraction test auxiliary device

Abstract

The utility model discloses a grating diffraction test auxiliary device which comprises a base, a lifting platform and a horizontal adjusting seat which are sequentially arranged at intervals from bottom to top, four screw holes are formed in the base, an angle rotating device is installed on the base, a connecting shaft is connected to the base, one end of the connecting shaft extends out of the base and then is connected with the angle rotating device and the lifting platform, and the other end of the connecting shaft is connected with the horizontal adjusting seat. The angle rotating device drives the connecting shaft to rotate; the lifting table is provided with a horizontally-penetrating fixing bolt and connected to a connecting shaft, the connecting shaft drives the lifting table to rotate, and the lifting table drives the horizontal adjusting device and the test table to rotate. One end of the lifting platform is connected with a horizontal adjusting seat, the horizontal adjusting seat is matched with a rack gear, the rack gear is connected with a lifting rotary knob in a penetrating manner, the lifting rotary knob is connected with the lifting platform, and the lifting rotary knob rotates to drive the horizontal adjusting seat to move up and down. And the diffraction test requirements of operators on grating sheets with different test angles can be effectively met.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of test devices, specifically a kind of grating diffraction test auxiliary device. BACKGROUND

[0002] Grating is the optical component that is made of a large number of parallel slits with equal width and spacing. A general grating is made by engraving a large number of parallel or symmetrical notches on a glass sheet, and there are several thousand or even tens of thousands of notches within 1cm width.

[0003] With the further improvement of grating ruling technology and replication technology, grating has entered the stage of industrial use and civilian use from the initial research stage. With the gradual widespread application of grating, customers increasingly require different sizes of grating. When testing grating diffraction, various different sizes of grating are encountered. To facilitate the operation of the operator more conveniently and effectively, and to effectively protect the grating surface from being touched, improvement is urgently needed. SUMMARY

[0004] The utility model aims at providing a kind of grating diffraction test auxiliary device to solve the above technical problems.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a kind of grating diffraction test auxiliary device, including the base, lifting platform, horizontal adjusting seat that are sequentially and spaced apart from bottom to top, four screw holes are formed in the base, and the four screw holes are used for grating diffraction test auxiliary device to be fixed on the diffraction test desktop, an angle rotating device is installed on the base, a connecting shaft is connected to the base, and one end of the connecting shaft extends out of the base and is connected to the angle rotating device and the lifting platform, a horizontal fixed bolt is provided on the lifting platform and connected to the connecting shaft, one end of the lifting platform is connected to the horizontal adjusting seat, a rack and pinion is provided on the horizontal adjusting seat, a lifting rotary knob is connected through the rack and pinion, and the lifting rotary knob is connected to the lifting platform to move downward.

[0006] Preferably, a concave groove is provided on the horizontal adjusting seat, one end of the concave groove is connected to the test table, a sliding bead is provided in the concave groove, the sliding bead drives the test table to move horizontally, a third fixing screw is provided on the test table for fixing the test position, an angle adjusting device is provided on the test table, four fixing bolts are provided on the test table for fixing the angle adjusting device, an L-shaped glass pad is fixedly installed on the angle adjusting device, and the L-shaped glass pad is used to place a grating sheet for grating diffraction test.

[0007] Preferably, the angle rotating device includes an angle scale and a rotating handle, the angle scale is engraved with an angle scale, and the rotating handle is connected to the connecting shaft.

[0008] Preferably, the horizontal adjusting device is a level, and the level is provided with an angle scale.

[0009] Preferably, a spring is further arranged between the lifting platform and the horizontal adjusting base.

[0010] Preferably, the angle adjusting device comprises an angle adjusting disc and a fine tuning knob, the angle adjusting disc is arranged on the test platform, and the fine tuning knob is arranged in the angle adjusting disc and used for adjusting the angle.

[0011] Preferably, the base is provided with a first fixing screw used for fixing the angle rotating device.

[0012] Preferably, the horizontal adjusting base is provided with four second fixing screws used for fixing the rack and pinion.

[0013] Compared with the prior art, the present application has the following beneficial effects:

[0014] The angle rotating device drives the connecting shaft to rotate, the connecting shaft is fixed to the lifting platform through the fixing pin, thereby driving the lifting platform to rotate, the lifting platform is connected with the horizontal adjusting device, thereby driving the horizontal adjusting device to rotate to a specified position; the horizontal adjusting device is provided with a rack and pinion, the rack and pinion is connected with the lifting rotating knob, the horizontal adjusting device can be lifted to a specified position in any dimension by adjusting the lifting rotating knob on the lifting platform; the angle rotating device and the lifting rotating knob can make the horizontal adjusting device rotate at any angle and be lifted to a specified position in any dimension; when different sizes of grating pieces are subjected to diffraction test, the height, angle position and horizontal moving position of the diffraction spot also change, the device solves the problem that the height, angle and horizontal moving position of the diffraction test device are not easy to adjust when different sizes of grating pieces are subjected to diffraction test, the height, angle position and horizontal moving position of the diffraction spot of the grating piece can be quickly found, the grating piece diffraction test is facilitated, and the diffraction test efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description, and obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.

[0016] Figure 1 is a structural schematic view of the whole grating diffraction test auxiliary device of the embodiment;

[0017] Figure 2 is an exploded schematic view of the structure of the whole grating diffraction test auxiliary device of the embodiment;

[0018] Figure 3is a structural diagram of an angle rotating device in a grating diffraction test auxiliary device of the embodiment;

[0019] Figure 4 is a structural diagram of an angle adjusting device in a grating diffraction test auxiliary device of the embodiment;

[0020] Figure 5 is a connection diagram of a lifting platform and a horizontal adjusting seat in a grating diffraction test auxiliary device of the embodiment.

[0021] In the drawings, the components represented by the respective reference numerals are listed as follows:

[0022] 1, base; 2, screw hole; 3, angle rotating device; 4, connecting shaft; 5, first fixing screw; 6, fixing bolt; 7, lifting platform; 8, horizontal adjusting device; 9, rack and pinion; 10, second fixing screw; 11, lifting rotating knob; 12, concave groove; 13, test platform; 14, sliding bead; 15, third fixing screw; 16, fixing bolt; 17, angle adjusting device; 18, L-shaped glass pad; 19, angle plate; 20, rotating handle; 21, spring; 22, angle adjusting plate; 23, fine adjustment knob; 24, horizontal adjusting seat. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0024] Please refer to Figures 1-5The utility model provides a technical scheme: a grating diffraction test auxiliary device, including from below to above interval setting's base 1, lifting platform 7, horizontal adjusting seat 24, four screw holes 2 are set up on base 1, four screw holes 2 are used for grating diffraction test auxiliary device fixed on diffraction test desktop, angle rotating device 3 is installed on base 1, base 1 is connected with connecting shaft 4, and one end of connecting shaft 4 stretches out after base 1 and is connected with angle rotating device 3 and lifting platform 7, first fixed screw 5 for fixing angle rotating device 3 is provided on base 1, and angle rotating device 3 drives connecting shaft 4 to rotate, the fixed bolt 6 of horizontal penetration is set up on lifting platform 7 and is connected to connecting shaft 4, and connecting shaft 4 drives lifting platform 7 to rotate, and lifting platform 7 drives horizontal adjusting device 8 and test table 13 to rotate, one end of lifting platform 7 is connected with horizontal adjusting seat 24, and there is rack and pinion 9 cooperation on horizontal adjusting seat 24, and there are four second fixed screws 10 fixed rack and pinion 9 on horizontal adjusting seat 24, and lifting rotation button 11 is connected on rack and pinion 9, and lifting rotation button 11 connects lifting platform 7, and lifting rotation button 11 rotation drives horizontal adjusting seat 24 to move up and down.

[0025] Specifically, the concave groove 12 is provided on the horizontal adjusting seat 24, one end of the concave groove 12 is connected with the test table 13, the sliding bead 14 is arranged in the concave groove 12, the sliding bead 14 drives the test table 13 to move horizontally, the third fixed screw 15 is arranged on the test table 13 for fixing the test position; the angle adjusting device 17 is arranged on the test table 13, four fixed bolts 16 for fixing the angle adjusting device 17 are arranged on the test table 13, the L-shaped glass pad 18 is fixedly installed on the angle adjusting device 17, the L-shaped glass pad 18 is used for placing the grating piece to perform the grating diffraction test, through the above arrangement, the test table 13 is connected with the horizontal adjusting device 8, the test table 13 can be moved to the specified position at any scale on the horizontal adjusting device 8, the test table 13 is connected with the angle adjusting device 17, the L-shaped glass pad 18 is arranged on the angle adjusting device 17, so that the L-shaped glass pad 18 can be rotated, lifted, moved horizontally and adjusted to the specified position at any angle through adjusting the angle rotating device 3, the lifting rotation button 11, the test table 13 and the angle adjusting device 17 in turn, the height, the angle position and the horizontal movement position of the diffraction spot of the grating piece can be quickly found, the grating diffraction test is facilitated, and the diffraction test efficiency is improved.

[0026] Specifically, the angle rotating device 3 comprises an angle scale and a rotating handle 20, the angle scale is engraved on the angle disc 19, and the rotating handle 20 is connected to the connecting shaft 4. Through the setting of the angle disc 19 and the rotating handle 20, the angle rotating device 3 can accurately control the angle of rotation, and the angle scale provides an intuitive reading, which is convenient for the user to make accurate adjustment. The design of the rotating handle 20 makes the operation more convenient, and the user can realize the rotation control of the connecting shaft 4 and the lifting platform 7 by simply rotating the rotating handle 20, so as to realize the adjustment of the angle of the test table 13.

[0027] Specifically, the horizontal adjusting device 8 is a level, and the level is provided with an angle scale. Through the setting of the angle scale on the level, the horizontal adjustment is more accurate, and the user can fine-tune the horizontal adjusting seat 24 according to the angle scale on the level, so as to ensure that the test table 13 reaches the ideal test position in the horizontal direction. The use of the level greatly improves the accuracy and stability of the test, and avoids the test error caused by the non-horizontal test table 13.

[0028] Specifically, the spring 21 is further arranged between the lifting platform 7 and the horizontal adjusting seat 24. Through the setting of the spring 21, the connection between the lifting platform 7 and the horizontal adjusting seat 24 is more stable, and the elasticity of the spring 21 can absorb part of the vibration generated in the test process, thereby further improving the stability of the test.

[0029] Specifically, the angle adjusting device 17 comprises an angle adjusting disc 22 and a fine adjustment knob 23. The angle adjusting disc 22 is arranged on the test table 13, and the fine adjustment knob 23 is arranged in the angle adjusting disc 22 and used for adjusting the angle. Through the above setting, the angle adjusting device 17 can realize the fine adjustment of the angle of the L-shaped glass pad 18 and the grating piece, so as to meet the accurate requirement of the grating diffraction test angle. The design of the fine adjustment knob 23 makes the operation more delicate, and the user can slowly rotate the fine adjustment knob 23 to realize the slight adjustment of the angle of the angle adjusting disc 22 and the L-shaped glass pad 18.

[0030] Specifically, the first fixing screw 5 for fixing the angle rotating device 3 is arranged on the base 1, and the horizontal adjusting seat 24 is provided with four second fixing screws 10 for fixing the rack and pinion 9. Through the setting of the first fixing screw 5 and the second fixing screw 10, the device is more stable during assembly and use, and the test error caused by loose parts is avoided. The first fixing screw 5 is used for fixing the angle rotating device 3, so as to ensure the stability of the angle rotating device 3 on the base 1. The second fixing screw 10 is used for fixing the rack and pinion 9, so as to ensure the stability of the rack and pinion 9 on the horizontal adjusting seat 24. Not only the overall stability of the device is improved, but also the connection between the parts is more closely, thereby effectively reducing the error in the test process.

[0031] One specific application example of the embodiment is:

[0032] In use, the device is used by placing the grating piece to be tested on the L-shaped glass cushion block 18, rotating the connecting shaft 4 by adjusting the angle rotating device 3, thereby rotating the lifting platform 7; the lifting platform 7 is connected with the horizontal adjusting device 8, thereby rotating the horizontal adjusting device 8 by the lifting platform 7; the testing table 13 is connected on the horizontal adjusting device 8, thereby rotating the testing table 13 by the horizontal adjusting device 8; the angle adjusting device 17 is connected with the testing table 13, and the L-shaped glass cushion block 18 is connected with the angle adjusting device 17, thereby rotating the L-shaped glass cushion block 18 by the testing table 13; the angle rotating device 3 is adjusted to the specified angle, and the third fixing screw 15 is locked, thereby adjusting the grating piece on the L-shaped glass cushion block 18 to the specified rotating angle position.

[0033] According to the above-mentioned device, the rotating angle, height, horizontal distance and angle are adjusted in sequence to perform diffraction test on the grating test piece.

[0034] In the utility model, unless another definite provision and limitation, the terms "connect", "fix", "penetrate" and so on should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through intermediate medium, can be the communication of two elements or the interaction of two elements, unless another definite limitation, for the ordinary skilled in the art, can understand the specific meaning of the above-mentioned terms in the utility model according to specific circumstances.

[0035] Although the embodiments of the utility model have been shown and described, for the ordinary skilled in the art, it can be understood that the embodiments can be modified without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A grating diffraction test aid, characterized by: The utility model relates to a grating diffraction test auxiliary device, including from bottom to top interval setting base (1), lifting platform (7), horizontal adjusting seat (24) and horizontal adjusting device (8) in proper order, four screw holes (2) are set up on the base (1), four the screw hole (2) is used for grating diffraction test auxiliary device fixed on diffraction test desktop, angle rotating device (3) is installed on the base (1), the connecting shaft (4) is connected to the base (1), and the connecting shaft (4) one end stretches out the base (1) after with angle rotating device (3) and lifting platform (7) connection, the lifting platform (7) is provided with horizontal fixed bolt (6) and is connected to the connecting shaft (4), one end of lifting platform (7) is connected with horizontal adjusting seat (24), the horizontal adjusting seat (24) is provided with rack and pinion (9), the rack and pinion (9) are connected lifting rotation button (11) through, lifting rotation button (11) connects lifting platform (7).

2. A grating diffraction test aid according to claim 1, wherein: The horizontal adjusting seat (24) is provided with concave groove (12), one end of the concave groove (12) is connected with test table (13), the concave groove (12) is provided with slide bead (14), the slide bead (14) drives test table (13) horizontal movement, the third fixed screw (15) for fixing test position is set up on test table (13);Angle adjusting device (17) is set up on test table (13), four fixed bolts (16) for fixing angle adjusting device (17) are set up on test table (13), L type glass pad block (18) is fixedly installed on angle adjusting device (17), L type glass pad block (18) is used to place grating piece and carry out grating diffraction test.

3. A grating diffraction test aid according to claim 1, wherein: The angle rotating device (3) includes an angle disc (19) and a rotating handle (20), the angle disc (19) is engraved with an angle scale, and the rotating handle (20) is connected to the connecting shaft (4).

4. A grating diffraction test aid according to claim 1, wherein: The horizontal adjusting device (8) is a level, and the level is provided with an angle scale.

5. A grating diffraction test aid according to claim 1, wherein: The lifting platform (7) and the horizontal adjusting seat (24) are further provided with a spring (21).

6. A grating diffraction test aid according to claim 2, wherein: The angle adjusting device (17) includes an angle adjusting disc (22) and a fine adjustment knob (23), the angle adjusting disc (22) is arranged on the test table (13), and the fine adjustment knob (23) is arranged in the angle adjusting disc (22) and used for adjusting an angle.

7. A grating diffraction test aid according to claim 1, wherein: The base (1) is provided with a first fixed screw (5) for fixing the angle rotating device (3).

8. A grating diffraction test aid according to claim 1, wherein: The horizontal adjusting seat (24) is provided with four second fixed screws (10) for fixing the rack and pinion (9).

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