CN211954229U

CN211954229U - Clamping device for instrument calibration

Info

Publication number: CN211954229U
Application number: CN201921970195.7U
Authority: CN
Inventors: 陈剑锋
Original assignee: Guangdong Jing Heng Testing Technology Co ltd
Current assignee: Guangdong Jing Heng Testing Technology Co ltd
Priority date: 2019-11-14
Filing date: 2019-11-14
Publication date: 2020-11-17
Anticipated expiration: 2029-11-14

Abstract

The utility model discloses a clamping device for instrument calibration, the loach carrying platform comprises a supporting fram, cavity round pin axle on the support frame is connected with the spline cuff pin joint in the bottom plate, the dovetail has been seted up in fixed connection's the first fixed plate on the bottom plate, sliding connection has the slider in the dovetail, the integration is provided with the second fixed plate on the slider, second fixed plate female connection has the threaded rod, the one end swing joint of threaded rod has first fixed plate, glass line chi has been cup jointed through the reference column to one side of second fixed plate. The utility model discloses an use the design of cavity round pin axle spline can install and stabilize the bottom plate that becomes different angles to the rotation, be favorable to improving optical measurement instrument's calibration and multi-angle timing, use the quick location installation glass line chi of reference column simultaneously, remove through threaded rod screw drive second fixed block, can effectually step up glass line chi to guarantee optical measurement instrument's calibration accuracy.

Description

Clamping device for instrument calibration

Technical Field

The utility model relates to an instrument calibrating device technical field specifically is a clamping device is used in instrument calibration.

Background

The instrument calibration refers to the action of testing and adjusting the measurement instrument or standard to know its accuracy, and is called instrument calibration, which refers to calibrating the machine and instrument. A set of operations for determining, under prescribed conditions, the relationship between the quantities indicated by the measuring instrument or measuring system, or represented by the material measure or reference substance, and the corresponding quantities reproduced by the standard. The calibration may comprise the steps of: checking, correcting, reporting, or adjusting to eliminate any deviation in accuracy of the measured devices being compared.

The imaging light path of the existing optical measuring instrument is generally a vertical light path, the problem of imaging accuracy deviation is inevitable when the optical measuring instrument is used for a long time, the multi-purpose glass line ruler or measuring block is calibrated in the vertical direction in the traditional optical measuring instrument, but the glass line ruler or the measuring block is easy to generate deviation when the position of the optical measuring instrument is adjusted during calibration, so that the precision of the adjusted optical measuring instrument cannot be guaranteed, and imaging has deviation when the optical measuring instrument is used. Therefore, it is desirable to provide a clamping device for instrument calibration.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a clamping device for instrument calibration, can carry out quick installation and firm to the bottom plate through the cavity round pin axle that has the spline piece, and the design that uses the spline can be installed and firm to the bottom plate that rotates into different angles, be favorable to improving optical measurement instrument's calibration and multi-angle timing, the reference column that sets up simultaneously on the second fixed plate can be quick location installation glass line chi, remove and cooperate first fixed plate through threaded rod screw drive second fixed plate, can be effective and quick step up the glass line chi of good location, thereby can guarantee optical measurement instrument's accuracy in the calibration process, the deviation problem of the degree of accuracy does not exist after the calibration finishes, with the problem of proposing in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a clamping device for instrument calibration, includes base and bottom plate, fixedly connected with support frame on the surface of the upper portion of base, the through-hole has been seted up to the one end of support frame, the one end fixedly connected with cavity round pin axle of support frame, spline cuff mouth has been seted up to the lower part one end of bottom plate, the pin joint has the cavity round pin axle in the spline cuff mouth, the first fixed plate of upper portion one end fixedly connected with of bottom plate, the dovetail has been seted up to the upper portion one end of bottom plate, sliding connection has the slider in the dovetail, the upper portion integration of slider is provided with the second fixed plate, second fixed plate female connection has the threaded rod, the one end swing joint of threaded rod has first fixed plate, one side of second fixed plate is provided with.

Preferably, the base is a disk-shaped metal base made of iron.

Preferably, a rectangular spline block is arranged outside the hollow pin shaft, and the spline sleeve opening is a spline through hole matched with the hollow pin shaft in a pin joint mode.

Preferably, a central through hole is formed in the hollow pin shaft, a fixing bolt is inserted into the through hole and the central through hole, and a nut is installed at one end of the fixing bolt in a threaded mode.

Preferably, one end fixedly connected with handle of threaded rod, just the internally mounted of first fixed plate has the bearing, just the bearing is connected with the one end rotation of threaded rod.

Preferably, one side of the first fixing plate is glued with a sheet-shaped anti-collision rubber pad, and one side of the second fixing plate is also glued with a sheet-shaped anti-collision rubber pad.

Compared with the prior art, the beneficial effects of the utility model are that: can carry out quick installation and firm through the cavity round pin axle that has the spline piece to the bottom plate, and the design that uses the spline can be installed and firm to the bottom plate that rotates into different angles, be favorable to improving optical measurement instrument's calibration and multi-angle timing, the reference column that sets up simultaneously on the second fixed plate can be quick location installation glass line chi, remove and cooperate first fixed plate through threaded rod screw drive second fixed plate, can be effective and quick step up the glass line chi of good location, thereby can guarantee the accuracy of optical measurement instrument in the calibration process, there is not the deviation problem of the degree of accuracy after the calibration finishes.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic side sectional view of the explosive structure of the present invention;

FIG. 3 is an enlarged schematic view of A of FIG. 2 according to the present invention;

fig. 4 is a schematic structural view of the hollow pin shaft of the present invention;

fig. 5 is a schematic structural diagram of the through hole of the present invention.

In the figure: 1. a support frame; 101. a through hole; 102. a hollow pin shaft; 103. a spline block; 104. a central through hole; 2. a base; 3. fixing the bolt; 301. a nut; 4. a base plate; 401. sleeving a spline; 402. a dovetail groove; 5. a first fixing plate; 501. a second fixing plate; 502. an anti-collision rubber pad; 503. a slider; 6. A glass line ruler; 7. a positioning column; 8. a handle; 9. a threaded rod; 10. and a bearing.

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. 1-5, the present invention provides a technical solution: the utility model provides a clamping device is used in instrument calibration, including base 2 and bottom plate 4, the upper portion of base 2 is fixedly connected with support frame 1 on the surface, through-hole 101 has been seted up to support frame 1's one end, support frame 1's one end fixedly connected with cavity round pin axle 102, spline cuff 401 has been seted up to bottom plate 4's lower part one end, the round pin has cavity round pin axle 102 in the spline cuff 401, the first fixed plate 5 of upper portion one end fixedly connected with of bottom plate 4, dovetail 402 has been seted up to bottom plate 4's upper portion one end, sliding connection has slider 503 in the dovetail 402, slider 503's upper portion integration is provided with second fixed plate 501, second fixed plate 501 female connection has threaded rod 9, the one end swing joint of threaded rod 9 has first fixed plate 5, one side of second fixed plate 501.

In actual implementation: the base 2 is a disk-shaped metal seat made of iron, which is convenient for placing and improving the stability, a rectangular spline block 103 is arranged outside the hollow pin shaft 102, the spline socket 401 is a spline through hole matched with the hollow pin shaft 102 in a pin joint way, a central through hole 104 is arranged inside the hollow pin shaft 102, a fixing bolt 3 is inserted in the through hole 101 and the central through hole 104, and one end of the fixing bolt 3 is provided with a nut 301 in a threaded manner, which is beneficial to the rapid installation and the stability of the bottom plate 4, one end of the threaded rod 9 is fixedly connected with a handle 8, and the inside of the first fixing plate 5 is installed with a bearing 10, and the bearing 10 is rotatably connected with one end of the threaded rod 9, one side of the first fixing plate 5 is glued with a sheet-shaped anti-collision rubber pad 502, and one side of the second fixing plate 501 is also glued with a sheet-shaped anti-collision rubber pad 502, so that the positioned glass line ruler 6 can be conveniently fixed and fastened, and meanwhile, the collision of the glass line ruler 6 is reduced.

The specific use description is as follows: through the hollow pin axle 102 that has spline piece 103 can carry out quick installation and firm to the bottom plate 4 of fixed glass line chi 6, and the design that uses the spline can be installed and firm to the bottom plate 4 that rotates into different angles, be favorable to improving optical measurement instrument's calibration and multi-angle timing, the location installation glass line chi 6 that reference column 7 that sets up simultaneously on second fixed plate 501 can be quick, through threaded rod 9 screw drive second fixed plate 501 remove with the cooperation fix the first fixed plate 5 on bottom plate 4, can be effective and quick step up the glass line chi 6 that is good in location, thereby can guarantee optical measurement instrument's accuracy in the calibration process, there is not the deviation problem of the degree of accuracy after the calibration finishes.

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 clamping device is used in instrument calibration, includes base (2) and bottom plate (4), its characterized in that: the upper portion of the base (2) is fixedly connected with a support frame (1) on the surface, one end of the support frame (1) is provided with a through hole (101), one end of the support frame (1) is fixedly connected with a hollow pin shaft (102), one end of the lower portion of the bottom plate (4) is provided with a spline sleeve opening (401), the spline sleeve opening (401) is internally connected with the hollow pin shaft (102) in a pin joint mode, one end of the upper portion of the bottom plate (4) is fixedly connected with a first fixing plate (5), one end of the upper portion of the bottom plate (4) is provided with a dovetail groove (402), a sliding block (503) is slidably connected in the dovetail groove (402), the upper portion of the sliding block (503) is integrally provided with a second fixing plate (501), a threaded rod (9) is connected in the second fixing plate (501) in a threaded manner, one end of the threaded rod (, and a glass line ruler (6) is fixedly sleeved on the positioning column (7).

2. The apparatus of claim 1, wherein the apparatus further comprises: the base (2) is a disc-shaped iron metal base.

3. The apparatus of claim 1, wherein the apparatus further comprises: the outside of the hollow pin shaft (102) is provided with a rectangular spline block (103), and the spline sleeve opening (401) is provided with a spline through hole matched with the hollow pin shaft (102) in a pin joint mode.

4. The apparatus of claim 1, wherein the apparatus further comprises: a central through hole (104) is formed in the hollow pin shaft (102), a fixing bolt (3) is inserted in the through hole (101) and the central through hole (104), and a nut (301) is installed at one end of the fixing bolt (3) in a threaded mode.

5. The apparatus of claim 1, wherein the apparatus further comprises: the one end fixedly connected with handle (8) of threaded rod (9), just the internally mounted of first fixed plate (5) has bearing (10), just bearing (10) is connected with the one end rotation of threaded rod (9).

6. The apparatus of claim 1, wherein the apparatus further comprises: one side of the first fixing plate (5) is glued with a sheet-shaped anti-collision rubber pad (502), and one side of the second fixing plate (501) is also glued with a sheet-shaped anti-collision rubber pad (502).