CN215374149U

CN215374149U - Calibrating device for common glass measuring device

Info

Publication number: CN215374149U
Application number: CN202121792205.XU
Authority: CN
Inventors: 孙冰洁; 许耀华
Original assignee: Weifang Fangzi District Metrology And Testing Institute
Current assignee: Weifang Fangzi District Metrology And Testing Institute
Priority date: 2021-08-03
Filing date: 2021-08-03
Publication date: 2021-12-31
Anticipated expiration: 2031-08-03

Abstract

The utility model provides a commonly-used glass measuring device calibrating device which comprises a supporting base plate, vertical supporting frames, a clamping mechanism and a vertical calibration mechanism, wherein the two vertical supporting frames are vertically and relatively fixedly arranged on the supporting base plate left and right; the vertical calibration mechanism comprises a pull wire and a conical pituitary. The vertical positioning of the detected quantitative device relative to the horizontal plane can be smoothly realized by utilizing the calibrating device, and then the accuracy of the calibrating result can be ensured.

Description

Calibrating device for common glass measuring device

Technical Field

The utility model relates to a calibrating device for a common glass measuring device.

Background

JJG 196-2006 "conventional glass measuring device" provisions: the burette, the indexing pipette, the A-level single marking pipette and the A-level volumetric flask are verified by a measurement method, or a volumetric comparison method, but the measurement method is used as an arbitration verification method. The glass measuring device is calibrated by adopting a measurement method, and the glass measuring device to be detected which is cleaned up needs to be vertically and stably arranged on a calibrating device, so that the glass measuring device to be detected is vertical to a horizontal plane, and the accuracy of reading is ensured. However, in actual operation, it is difficult to ensure the glass measuring device to be tested to be perpendicular to the horizontal plane, which brings trouble to the inspector.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a calibrating device for a commonly used glass measuring device, which can smoothly realize the vertical positioning of a measured quantitative device relative to a horizontal plane and further ensure the accuracy of a calibrating result.

The technical scheme adopted by the utility model for solving the technical problems is as follows: a commonly used glass measuring device calibrating device comprises a supporting base plate, vertical supporting frames, a clamping mechanism and a vertical calibration mechanism, wherein the left and right sides of the two vertical supporting frames are vertically and relatively and fixedly arranged on the supporting base plate, the vertical supporting frames comprise vertical guide rods, a T-shaped connecting frame is sleeved on the vertical guide rods and can freely slide relative to the vertical guide rods, a first jacking bolt used for realizing the positioning of the T-shaped connecting frame on the vertical guide rods is arranged on a vertical sleeve of the T-shaped connecting frame, the clamping mechanism comprises a supporting frame and a clamping plate, a first supporting rod is respectively and relatively and fixedly arranged on the left and right sides of the supporting frame, the two first supporting rods are respectively and correspondingly sleeved in a horizontal sleeve of the T-shaped connecting frame, and the first supporting rods can freely rotate relative to the horizontal sleeve, a second jacking bolt for realizing jacking positioning of the first supporting rod is arranged on the horizontal sleeve; the front side and the rear side of the supporting frame are respectively and oppositely fixedly provided with a first sleeve, the interior of one end, close to the supporting frame, of the first sleeve is a smooth section, the interior of one end, far away from the supporting frame, of the first sleeve is provided with an internal thread, and a clamping bolt matched with the internal thread is sleeved on the first sleeve; the two clamping plates are oppositely arranged in the supporting frame in a front-back mode, the second supporting rods on the clamping plates are sleeved in the corresponding smooth sections of the first sleeve, and a third jacking bolt used for achieving the positioning of the second supporting rods on the first sleeve is arranged on the first sleeve; the lower part of one first sleeve and the lower part of one horizontal sleeve are respectively provided with one vertical calibration mechanism, each vertical calibration mechanism comprises a pull wire and a conical pituitary, the upper end of each pull wire is connected with the lower part of the corresponding first sleeve or the corresponding horizontal sleeve, and the lower end of each pull wire is connected with the conical pituitary.

Preferably, the vertical support frame includes n-shaped support legs, the n-shaped support legs are fixedly disposed on the support base plate, and the vertical guide bars are fixedly disposed on the n-shaped support legs.

Furthermore, adjusting bolts are respectively arranged at four top corners of the supporting bottom plate, a first bubble level meter distributed along the length direction of the supporting bottom plate is arranged on the front side of the supporting bottom plate, and a second bubble level meter distributed along the width direction of the supporting bottom plate is arranged on the right side of the supporting bottom plate.

Furthermore, the clamping plate is an arc-shaped plate, and the arc-shaped plate is made of elastic materials in a machining mode.

Furthermore, a rubber pad is arranged on the clamping side wall of the clamping plate.

The utility model has the beneficial effects that: the utility model has simple structure and convenient processing and manufacturing; the stay wire in the vertical calibration mechanism is freely pulled down and perpendicular under the gravity of the conical pituitary, and the stay wire and the related measuring instrument directly carry out perpendicularity comparison, so that accurate comparison reference is provided for the subsequent perpendicularity adjustment of the related measuring instrument, and the perpendicularity adjustment of the related measuring instrument can be realized; the supporting frame is supported by the first supporting rod, so that the rotating adjustment along the circumferential direction of the first supporting rod can be realized, the clamping plate is supported by the second supporting rod, so that the rotating adjustment along the circumferential direction of the second supporting rod can be realized, and the first supporting rod and the second supporting rod are in mutually perpendicular relation, so that the front-back and left-right inward adjustment of the vertical angle of a clamped related gauge can be realized, and the verticality adjustment of the gauge can be further ensured; the adjusting bolt is rotated by referring to the first horizontal bubble instrument and the second horizontal bubble instrument, so that the horizontal adjustment of the supporting base plate can be finally realized, the supporting base plate is kept in a horizontal state, and the smooth operation of the clamping and verticality calibration process of the subsequent measuring instrument is facilitated.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are part of the preferred embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a cross-sectional view of the arrangement of the clamping plates on the support frame;

in the figure: the device comprises a supporting bottom plate 1, an adjusting bolt 11, a first bubble level meter 12, a second bubble level meter 13, a vertical supporting frame 2, a vertical guide rod 21, a 22T-shaped connecting frame, a vertical sleeve 221, a horizontal sleeve 222, a first jacking bolt 23, a second jacking bolt 24, a supporting frame 31, a first supporting rod 311, a first sleeve 312, a third jacking bolt 313, a clamping bolt 314, a clamping plate 32, a second supporting rod 321, a rubber pad 322, a pull wire 41 and a conical pituitary 42.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the specific embodiments and accompanying drawings 1-2, and it is obvious that the described embodiments are only a part of the preferred embodiments of the present invention, and not all embodiments. Those skilled in the art can make similar modifications without departing from the spirit of the utility model, and therefore the utility model is not limited to the specific embodiments disclosed below.

The utility model provides a commonly used glass measuring device calibrating device (as shown in figure 1), which comprises a supporting base plate 1, two vertical supporting frames 2, a clamping mechanism and a vertical calibration mechanism 4, wherein the two vertical supporting frames 2 are vertically and relatively and fixedly arranged on the supporting base plate 1, the vertical supporting frames 2 comprise vertical guide rods 21, a T-shaped connecting frame 22 is sleeved on the vertical guide rods 21, and the T-shaped connecting frame 22 can freely slide relative to the vertical guide rods 21, in the specific embodiment, the T-shaped connecting frame 22 comprises a vertical sleeve 221 and a horizontal sleeve 222, one end of the horizontal sleeve 222 is fixedly connected with the middle part of the vertical sleeve 221, a first jacking bolt 23 for realizing the positioning of the T-shaped connecting frame 22 on the vertical guide rods 21 is arranged on the vertical sleeve 221 of the T-shaped connecting frame 22, and in practical application, after the position of the T-shaped connecting frame 22 is adjusted, the T-shaped connecting frame 22 can be fixed on the vertical guide bar 21 by tightening the first press bolt 23, the clamping mechanism includes a supporting frame 31 and a clamping plate 32, in this embodiment, the supporting frame 31 is square, a first supporting rod 311 is respectively and fixedly disposed on the left and right sides of the supporting frame 31, the two first supporting rods 311 are respectively and correspondingly sleeved in the horizontal sleeve 222 of the T-shaped connecting frame 22, the first supporting rod 311 can rotate freely relative to the horizontal sleeve 222, a second press bolt 24 for press positioning the first supporting rod 311 is disposed on the horizontal sleeve 222, in practical application, the second press bolt 24 can be used to pre-press the first supporting rod 311 first (at this time, the first supporting rod 311 can still rotate, and only the friction force applied during rotation is large), and then, adjusting the placing state of the supporting frame 31, and after the placing state of the supporting frame 31 is adjusted, tightening the second jacking bolt 24 to fix the first supporting rod 311, so as to ensure the positioning of the supporting frame 31; the front side and the rear side of the supporting frame 31 are respectively and relatively fixedly provided with a first sleeve 312, specifically, the first sleeve 312 is vertically fixed with the side wall of the supporting frame 31, the inside of one end of the first sleeve 312, which is close to the supporting frame 31, is a smooth section 3121, the inside of one end of the first sleeve 312, which is far away from the supporting frame 31, is provided with internal threads 3122, that is, one section of the inside of the first sleeve 312 is smooth, one section is internally provided with internal threads, and the smooth section is connected with the side wall of the supporting frame 31; a clamping bolt 314 matched with the internal thread 3122 is sleeved on the first sleeve 312; the two clamping plates 32 are oppositely arranged in the supporting frame 31 in a front-back manner, and the second supporting rod 321 on the clamping plate 32 is sleeved in the corresponding smooth section 3211 of the first sleeve 312, so that the second supporting rod 321 can freely and stably slide relative to the first sleeve 312, the second supporting rod 321 can be pushed by rotating the clamping bolt 314, the two clamping plates 32 can be relatively close to each other, and in practical application, the two clamping plates 32 close to each other can realize clamping and fixing of a related calibration measuring device; the first sleeve 312 is provided with a third jacking bolt 313 for positioning the second support rod 321 on the first sleeve 312, after the clamping of the gauge is realized by using the clamping plate 32, the third jacking bolt 313 can be firstly rotated to realize the prepressing of the second support rod 321 (at this time, the second support rod 321 can still rotate and only has large friction force when rotating), then, the posture of the clamping plate 32 is finely adjusted, after the posture of the clamping plate 32 is finely adjusted, the third jacking bolt 313 is rotated again to realize the fixing of the clamping plate 32, and after the first support rod 311 and the second support rod 321 are fixed, the fixing of the clamped related gauge is realized, and then, in the subsequent verification working process, the gauge is kept still.

In practical application, in order to facilitate the holding plate 32 to smoothly and effectively hold the relevant measuring device, the holding plate 32 is an arc-shaped plate made of elastic material, and in order to further improve the friction force between the holding surface of the holding plate 32 and the measuring device, a rubber pad 322 is disposed on the holding side wall of the holding plate 32.

The lower part of one first sleeve 312 and the lower part of one horizontal sleeve 222 are respectively provided with one vertical calibration mechanism, each vertical calibration mechanism comprises a pull wire 41 and a tapered pituitary body 42, the upper end of the pull wire 41 is connected with the corresponding lower part of the first sleeve 312 or the horizontal sleeve 222, the lower end of the pull wire 41 is connected with the tapered pituitary body 42, the tapered pituitary body 42 realizes the vertical pull-down of the pull wire 41 under the action of gravity, and when the tapered pituitary body 42 is kept still, the pull wire 41 is in a vertical state; in practical application, after the calibrated related measuring instrument is preliminarily clamped and the tapered pituitary 42 is kept still, the perpendicularity of the related measuring instrument is finely adjusted by comparing the perpendicularity of the related measuring instrument and the two pull wires 41, so that the axis of the related measuring instrument is kept in parallel with the two pull wires 41, and the axis of the measuring instrument is kept in parallel with the pull wires 41, thereby determining the perpendicularity of the measuring instrument.

In order to facilitate the perpendicularity comparison between the stay wire 41 below the horizontal sleeve 222 and the measuring device, the vertical support frame comprises the inverted U-shaped support leg 25, the inverted U-shaped support leg 25 is fixedly arranged on the support base plate 1, the vertical guide rod 21 is fixedly arranged on the inverted U-shaped support leg 25, in the comparison process, a worker can directly observe the perpendicularity of the measuring device and the stay wire 41 through the neutral gear in the middle of the inverted U-shaped support leg 25.

In practical application, in order to facilitate the horizontal arrangement of the supporting base plate 1, so as to enable the verification work to be smoothly performed, the adjusting bolts 11 are respectively arranged at four top corners of the supporting base plate 1, the arrangement posture of the supporting base plate 1 can be adjusted by rotating the adjusting bolts 11, the first bubble level 12 distributed along the length direction of the supporting base plate is arranged on the front side of the supporting base plate 1, the second bubble level 13 distributed along the width direction of the supporting base plate is arranged on the right side of the supporting base plate 1, and in the process of adjusting the posture of the supporting base plate 1, the levelness of the supporting base plate 1 can be adjusted by referring to the states of the first bubble level 12 and the second bubble level 13.

In the present invention, "left", "right", "upper", "lower", "front", and "rear" are relative positions used for convenience in describing positional relationships, and therefore, should not be interpreted as absolute positions as limiting the scope of protection.

In addition to the technical features described in the specification, the technology is known to those skilled in the art.

While the preferred embodiments and examples of the present invention have been described in detail, it will be apparent to those skilled in the art that the utility model is not limited thereto, and that various changes and modifications may be made without departing from the spirit and scope of the utility model.

Claims

1. A commonly used glass measuring device calibrating device is characterized by comprising a supporting base plate, two vertical supporting frames, a clamping mechanism and a vertical calibration mechanism, wherein the two vertical supporting frames are vertically and relatively and fixedly arranged on the supporting base plate, the vertical supporting frames comprise vertical guide rods, a T-shaped connecting frame is sleeved on the vertical guide rods and can freely slide relative to the vertical guide rods, a first jacking bolt used for realizing the positioning of the T-shaped connecting frame on the vertical guide rods is arranged on a vertical sleeve of the T-shaped connecting frame, the clamping mechanism comprises a supporting frame and a clamping plate, a first supporting rod is respectively and relatively and fixedly arranged on the left side and the right side of the supporting frame, the two first supporting rods are respectively and correspondingly sleeved in a horizontal sleeve of the T-shaped connecting frame, and the first supporting rods can freely rotate relative to the horizontal sleeve, a second jacking bolt for realizing jacking positioning of the first supporting rod is arranged on the horizontal sleeve; the front side and the rear side of the supporting frame are respectively and oppositely fixedly provided with a first sleeve, the interior of one end, close to the supporting frame, of the first sleeve is a smooth section, the interior of one end, far away from the supporting frame, of the first sleeve is provided with an internal thread, and a clamping bolt matched with the internal thread is sleeved on the first sleeve; the two clamping plates are oppositely arranged in the supporting frame in a front-back mode, the second supporting rods on the clamping plates are sleeved in the corresponding smooth sections of the first sleeve, and a third jacking bolt used for achieving the positioning of the second supporting rods on the first sleeve is arranged on the first sleeve; the lower part of one first sleeve and the lower part of one horizontal sleeve are respectively provided with one vertical calibration mechanism, each vertical calibration mechanism comprises a pull wire and a conical pituitary, the upper end of each pull wire is connected with the lower part of the corresponding first sleeve or the corresponding horizontal sleeve, and the lower end of each pull wire is connected with the conical pituitary.

2. The apparatus as claimed in claim 1, wherein the vertical support comprises n-shaped support legs, the n-shaped support legs are fixedly disposed on the support base, and the vertical guide rods are fixedly disposed on the n-shaped support legs.

3. The apparatus as claimed in claim 2, wherein the support base plate has a plurality of adjusting bolts at its four corners, a first bubble level gauge is disposed at the front side of the support base plate and a second bubble level gauge is disposed at the right side of the support base plate.

4. The apparatus as claimed in claim 3, wherein the holding plate is an arc-shaped plate, and the arc-shaped plate is made of elastic material.

5. The apparatus as claimed in claim 4, wherein a rubber pad is disposed on the holding sidewall of the holding plate.