CN214539224U

CN214539224U - Grating test fixture

Info

Publication number: CN214539224U
Application number: CN202120402142.6U
Authority: CN
Inventors: 郝桂侠; 耿庆涛; 马云云; 郭小飞; 戴培勤; 杨小亮; 崔怀超
Original assignee: Shandong Zhongshan Energy Saving Tianrong Environmental Protection Technology Co ltd
Current assignee: Shandong Zhongshan Energy Saving Tianrong Environmental Protection Technology Co ltd
Priority date: 2021-02-24
Filing date: 2021-02-24
Publication date: 2021-10-29
Anticipated expiration: 2031-02-24

Abstract

The utility model discloses a grating test tool, which comprises a base, wherein the base is a rectangular plate, the surface of the base is fixedly connected with a support rod, the extending direction of the support rod is perpendicular to the plane of the base, one side surface of the support rod is provided with a chute, a first slider is arranged inside the chute, one side surface of the first slider, which is far away from the chute, is provided with a connecting piece, the inner surface of the chute is provided with a screw rod in a rotating way, two ends of the screw rod are respectively connected with the inner surfaces of two ends of the chute in a rotating way, and the screw rod penetrates through the first slider, the utility model discloses a connecting piece is arranged on the first slider to be connected with a grating, so that after the grating is fixed on a device, the position of the grating can be adjusted through the direction of the rotating screw rod, the light spot state derived by the grating is observed by aligning a light source to the grating, and the reference position of the grating in a spectrometer is judged and adjusted, thereby achieving adjustment of the position of the grating in the spectrometer.

Description

Grating test fixture

Technical Field

The utility model relates to a spectrum appearance technical field, concrete field is a grating test fixture.

Background

The spectrometer is a scientific instrument for decomposing light with complex components into spectral lines and is composed of a prism or a diffraction grating and the like. The light reflected by the surface of the object can be measured by a spectrometer. The seven colors of sunlight are visible light, but if the sunlight is decomposed by a spectrometer and arranged according to wavelength, the visible light only occupies a small range in the spectrum, and the rest is a spectrum which cannot be distinguished by naked eyes, such as infrared rays, microwaves, ultraviolet rays and the like. The optical information is captured by a spectrometer or displayed and analyzed by a computerized automatic display numerical instrument, so that the element contained in the article is measured. The spectrometer is a basic device for observing, analyzing and processing the structure and components of a substance by applying an optical principle, and has the advantages of high analysis precision, large measurement range, high speed, small sample consumption and the like. Therefore, the device is widely applied to the departments of metallurgy, geology, petrochemical industry, medicine and health, environmental protection and the like, and is also an essential instrument for military reconnaissance, space exploration, resources and hydrological exploration.

The grating is an important optical element of the spectrometer, can decompose dispersed light into devices of spectral lines, captures optical information through the spectrometer, is matched with a series of optical, precision mechanical, electronic and computer systems for use, and is used for environment-friendly moisture detection and testing, and the development is vigorous in recent years. The grating test fixture is widely applied to high-precision and high-performance instruments, and has relatively high requirements on installation, so that the grating test fixture is specially designed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a grating test fixture to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a grating test fixture, includes the base, the base is the rectangular plate, the fixed surface of base is connected with the bracing piece, the extending direction of bracing piece with the plane that the base is located sets up perpendicularly, a side surface of bracing piece is equipped with the spout, the inside of spout is equipped with first slider, first slider is kept away from a side surface of spout is equipped with the connecting piece, the internal surface rotation of spout is equipped with the lead screw, the both ends of lead screw are rotated respectively and are connected the both ends internal surface of spout, the lead screw runs through first slider, just the lead screw with first slider spiro union, the lead screw is kept away from the one end of base is run through the first handle that rotates of lateral wall fixedly connected with of spout.

Preferably, first rotation handle includes member and rolling disc, the both ends of member respectively with the rolling disc and lead screw fixed connection, the bracing piece is kept away from the one end external surface fixedly connected with plate of base, the terminal surface sliding connection of plate has the movable rod, the movable rod is close to solid fixed ring of one end fixedly connected with of member, gu fixed ring overlaps and establishes the outside of member, gu fixed ring's terminal surface runs through and is equipped with fastening bolt, just fastening bolt with the spiro union between solid fixed ring.

Preferably, one end of the movable rod, which is far away from the fixed ring, is fixedly connected with a limiting plate.

Preferably, the inner surface of the sliding groove is provided with a second sliding block in a sliding manner, and the second sliding block is connected with the connecting piece.

Preferably, the first slider is kept away from the first connecting block of one side fixed surface of spout is connected with, the second slider is kept away from the second connecting block of one side fixed surface of spout, the second connecting block with it is equipped with the dwang to rotate between the first connecting block, the surface of dwang pass through the connecting plate with connecting piece fixed connection.

Preferably, the dwang corresponds the one end of first connecting block runs through first connecting block fixedly connected with gear, the fixed surface of first connecting block is connected with the articulated slab, the rotation on surface of articulated slab is connected with the worm, the worm with gear engagement, the surface of worm is equipped with the second twist grip.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides a grating test fixture, through setting up the base, it is used for supporting the grating to set up the bracing piece on the base, through setting up the spout on the bracing piece surface, set up first slider inside the spout, make first slider can slide inside the spout, through setting up the lead screw, it slides inside first spout to jog through the rotation of lead screw, be used for connecting the grating through setting up the connecting piece on first slider, thereby fix the back on the device at the grating, the position of grating is adjusted to the direction of accessible rotation lead screw, through aim at the grating with the light source, observe the facula state that the grating was derived, judge and adjust the reference position of grating in the spectrum appearance, thereby the position of adjusting the grating in the spectrum appearance has been realized.

Drawings

Fig. 1 is a schematic view of a front view cross-sectional structure of the present invention;

fig. 2 is a schematic top view of the cross-sectional structure of the present invention;

fig. 3 is a schematic diagram of the right-side view structure of the present invention;

fig. 4 is a schematic view of the cross-sectional structure of the support rod of the present invention.

In the figure: 1-base, 2-supporting rod, 3-chute, 4-first slide block, 5-connecting piece, 6-lead screw, 7-first rotating handle, 8-plate, 9-movable rod, 10-fixed ring, 11-fastening bolt, 12-limiting plate, 13-second slide block, 14-first connecting block, 15-second connecting block, 16-rotating rod, 17-connecting plate, 18-gear, 19-hinged plate, 20-worm and 21-second rotating handle.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a grating test tool comprises a base 1, wherein the base 1 is a rectangular plate, the device is fixed inside a spectrometer through the base 1, a support rod 2 is fixedly connected to the surface of the base 1, the cross section of the support rod 2 is rectangular, the extending direction of the support rod 2 is perpendicular to the plane of the base 1, a sliding groove 3 is formed in one side surface of the support rod 2, a first sliding block 4 is arranged inside the sliding groove 3, the first sliding block 4 is in sliding connection with the sliding groove 3, a connecting piece 5 is arranged on one side surface of the first sliding block 4 away from the sliding groove 3, the connecting piece 5 can be a device with a fixing effect such as a common clamp and the like, the grating is fixed, a lead screw 6 is arranged on the inner surface of the sliding groove 3 in a rotating mode, two ends of the lead screw 6 are respectively connected to the inner surfaces of two ends of the sliding groove 3 in a rotating mode, the lead screw 6 runs through first slider 4, just lead screw 6 with the spiro union of first slider 4, lead screw 6 is kept away from the one end of base 1 runs through the first rotating handle 7 of lateral wall fixedly connected with of spout 3 to drive lead screw 6 through first rotating handle 7 and rotate in spout 3 is inside, and then drive first slider 4 through the cooperation between the screw thread and slide in spout 3 is inside.

Specifically, as shown in fig. 1, the first rotating handle 7 includes a rod and a rotating disc, two ends of the rod are respectively fixedly connected to the rotating disc and the lead screw 6, the rod extends out of the sliding groove 3 and is located outside the support rod 2, the support rod 2 is far away from one end of the base 1, the outer surface of the base 1 is fixedly connected to the plate 8, the end surface of the plate 8 is slidably connected to the movable rod 9, the movable rod 9 is close to one end of the rod, the fixed ring 10 is fixedly connected to the fixed ring 10, the fixed ring 10 is sleeved outside the rod, the end surface of the fixed ring 10 is provided with a fastening bolt 11 in a penetrating manner, the fastening bolt 11 is screwed with the fixed ring 10, the rod is fixed to the fixed ring 10 by adjusting the fastening bolt 11, and the fixed ring 10 is connected to the movable rod 9, so that the rod cannot rotate with the rod, and after the position of the grating is adjusted, the spectrometer can not make the screw rod 6 slightly rotate under the conditions of vibration and the like during working, and further more accurately positions the grating.

Specifically, the movable rod 9 is far away from one end of the fixing ring 10 and is fixedly connected with a limiting plate 12, so that the movable rod 9 is prevented from being separated from the plate 8.

Specifically, the inner surface of the sliding groove 3 is provided with a second sliding block 13 in a sliding manner, the second sliding block 13 is connected with the connecting piece 5, and the second sliding block 13 is also in threaded connection with the screw rod 6, so that when the screw rod 6 rotates, the first sliding block 4 and the second sliding block 13 simultaneously slide in the sliding groove 3, and the device is more stable.

Particularly, first slider 4 is kept away from one side fixed surface of spout 3 is connected with first connecting block 14, second slider 13 is kept away from one side fixed surface of spout 3 is connected with second connecting block 15, second connecting block 15 with it is equipped with dwang 16 to rotate between the first connecting block 14, the surface of dwang 16 pass through connecting plate 17 with connecting piece 5 fixed connection for connecting piece 5 accessible dwang 16 takes place to rotate, thereby the deflection angle of adjustable grating.

Specifically, as shown in fig. 1, one end of the rotating rod 16 corresponding to the first connecting block 14 penetrates through the first connecting block 14 and is fixedly connected with a gear 18, as shown in fig. 3, a hinge plate 19 is fixedly connected to the surface of the first connecting block 14, a worm 20 is rotatably connected to the surface of the hinge plate 19, the worm 20 is engaged with the gear 18, a second rotating handle 21 is arranged on the surface of the worm 20, the second rotating handle 21 drives the worm 20 to rotate, the worm 20 drives the gear 18 to rotate through cooperation with the gear 18, the gear 18 drives the rotating rod 16 to rotate, and then the connecting member 5 is controlled to deflect, and the cooperation between the worm 20 and the gear 18 has a self-locking characteristic, so that the angle of the grating can be fixed after adjustment.

The working principle is as follows: the utility model discloses during the use, it is fixed with the device that pass through connecting piece 5 with the grating, rotate first turning handle 7, it rotates to drive lead screw 6, lead screw 6 makes first slider 4 slide in 3 insides of spout, and then first slider 4 drives the connecting piece and reciprocates, adjust the height of grating, and when rotating second turning handle 21, second turning handle 21 drives worm 20 and rotates, worm 20 drives gear 18 and rotates, gear 18 drives dwang 16 and rotates, thereby drive connecting piece 5 by dwang 16 and rotate, and then the angle of adjustable grating.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt prior art, and conventional model, including circuit connection adopts conventional connection mode among the prior art, does not detailed here again.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a grating test fixture, includes base (1), its characterized in that: the base (1) is a rectangular plate, the surface of the base (1) is fixedly connected with a support rod (2), the extending direction of the supporting rod (2) is vertical to the plane of the base (1), a sliding groove (3) is arranged on the surface of one side of the supporting rod (2), a first sliding block (4) is arranged inside the sliding groove (3), a connecting piece (5) is arranged on the surface of one side of the first sliding block (4) far away from the sliding groove (3), a screw rod (6) is rotatably arranged on the inner surface of the sliding chute (3), two ends of the screw rod (6) are respectively and rotatably connected with the inner surfaces of two ends of the sliding chute (3), the screw rod (6) penetrates through the first sliding block (4), and the screw rod (6) is in threaded connection with the first sliding block (4), and one end, far away from the base (1), of the screw rod (6) penetrates through the side wall of the sliding groove (3) and is fixedly connected with a first rotating handle (7).

2. The grating test tool according to claim 1, wherein: first rotation handle (7) include member and rolling disc, the both ends of member respectively with the rolling disc and lead screw (6) fixed connection, bracing piece (2) are kept away from the one end external fixed surface of base (1) is connected with plate (8), the terminal surface sliding connection of plate (8) has movable rod (9), movable rod (9) are close to the solid fixed ring of one end fixedly connected with (10) of member, gu fixed ring (10) cover is established the outside of member, the terminal surface of solid fixed ring (10) runs through and is equipped with fastening bolt (11), just fastening bolt (11) with the spiro union between solid fixed ring (10).

3. The grating test tool according to claim 2, wherein: one end of the movable rod (9) far away from the fixing ring (10) is fixedly connected with a limiting plate (12).

4. The grating test tool according to any one of claims 1 to 3, wherein: the inner surface of the sliding groove (3) is provided with a second sliding block (13) in a sliding mode, and the second sliding block (13) is connected with the connecting piece (5).

5. The grating test tool according to claim 4, wherein: keep away from first slider (4) one side fixed surface of spout (3) is connected with first connecting block (14), keep away from second slider (13) one side fixed surface of spout (3) is connected with second connecting block (15), second connecting block (15) with it is equipped with dwang (16) to rotate between first connecting block (14), the surface of dwang (16) pass through connecting plate (17) with connecting piece (5) fixed connection.

6. The grating test tool according to claim 5, wherein: dwang (16) correspond the one end of first connecting block (14) is run through first connecting block (14) fixedly connected with gear (18), the fixed surface of first connecting block (14) is connected with articulated slab (19), the surface rotation of articulated slab (19) is connected with worm (20), worm (20) with gear (18) meshing, the surface of worm (20) is equipped with second twist grip (21).