CN212361452U - Auxiliary device is used in instrument calibration with adjustable - Google Patents
Auxiliary device is used in instrument calibration with adjustable Download PDFInfo
- Publication number
- CN212361452U CN212361452U CN202020956306.5U CN202020956306U CN212361452U CN 212361452 U CN212361452 U CN 212361452U CN 202020956306 U CN202020956306 U CN 202020956306U CN 212361452 U CN212361452 U CN 212361452U
- Authority
- CN
- China
- Prior art keywords
- screw rod
- thread groove
- instrument calibration
- connecting rod
- adjustable
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 238000004164 analytical calibration Methods 0.000 title claims abstract description 10
- 125000003003 spiro group Chemical group 0.000 claims description 4
- 230000000694 effects Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses an adjustable auxiliary device for instrument calibration, which comprises a top seat, wherein the bottom edge of the top seat is hinged with three support rods, the number of the support rods is three, a vertical column is fixedly arranged at the midpoint of the bottom of the top seat, a thread groove is arranged at the bottom end of the vertical column, a screw rod is screwed in the thread groove, a cylindrical block is fixedly arranged at the bottom end of the screw rod, an annular groove is arranged on the side wall of the cylindrical block, a circular ring is arranged in the annular groove in a sliding way, the outer side wall of the circular ring is hinged with one end of a connecting rod, the number of the connecting rod is three, the utility model discloses a vertical column with a thread groove is arranged at the bottom of the top seat, a screw rod is arranged in the vertical column, the bottom end of the screw rod is connected with a cylindrical block with an annular groove, a circular ring connected with a, the height adjustment does not need to be carried out one by one, the adjustment is time-saving and convenient, the design is reasonable, and the practicability is strong.
Description
Technical Field
The utility model relates to an auxiliary device technical field specifically is an auxiliary device is used in instrument calibration with adjustable.
Background
The leveling instrument is an instrument for establishing a horizontal sight line to measure the height difference between two ground points, and the principle is to measure the height difference between the ground points according to the leveling principle.
During the use with the surveyor's level fix the top at the A-frame, during the measurement, fixed little motionless, need measure the height of different positions and this fixed point, just need adjust the height of surveyor's level, also be exactly the height of apron tripod simultaneously, the adjustment mode is to notice the height that changes each branch, and is comparatively troublesome, and the height of three branch still needs the calibration, for this reason, we propose an adjustable auxiliary device for instrument calibration.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an instrument auxiliary device for calibration with adjustable 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 an auxiliary device is used in instrument calibration with adjustable, includes the footstock, the bottom edge of footstock articulates there is branch, the quantity of branch is three, the bottom mid point department fixed mounting of footstock has the stand, the bottom of stand is equipped with the thread groove, the spiro union has the screw rod in the thread groove, the bottom fixed mounting of screw rod has the cylinder piece, be equipped with the annular on the lateral wall of cylinder piece, slidable mounting has the ring in the annular, the lateral wall of ring articulates there is the one end of connecting rod, the quantity of connecting rod is three, the other end of connecting rod articulates on the telescopic link body lateral wall of branch, the bottom fixed mounting of cylinder piece has the holding rod.
Preferably, the upper end and the lower end of the circular ring and the inner side wall are both provided with cambered surfaces.
Preferably, both ends all are equipped with the opening about the inside wall of thread groove, the lateral wall left end of screw rod is equipped with the perforation, be equipped with the bolt in the perforation, the right-hand member of bolt passes the opening spiro union and has the nut.
Preferably, a rubber layer is fixedly mounted on the left side surface of the nut.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a bottom at the footstock is equipped with the stand that has the thread groove, is equipped with the screw rod in the stand, and the screw rod bottom is connected with the cylinder piece that has the annular, is equipped with the ring that is connected with the connecting rod in the annular, and the connecting rod articulates on the flexible body of rod of branch, when needs height-adjusting, only needs to rotate the altitude variation that the cylinder piece can three branch of unified control, need not carry out altitude mixture control one by one, adjusts the convenience of saving time, reasonable in design, and the practicality is stronger.
Drawings
Fig. 1 is an overall schematic view of the present invention.
Fig. 2 is a schematic view of the present invention at a.
Fig. 3 is a schematic view of the position b of the present invention.
In the figure: 1. footstock, 2, supporting rod, 3, upright post, 4, thread groove, 5, screw rod, 6, cylindrical block, 7, ring groove, 8, ring, 9, connecting rod, 10, holding rod, 11, cambered surface, 12, through hole, 13, perforation, 14, bolt, 15, nut, 16, rubber layer.
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, fig. 2 and fig. 3, the present invention provides a technical solution: an adjustable auxiliary device for calibrating instruments comprises a top seat 1, wherein the bottom edge of the top seat 1 is hinged with three support rods 2, the number of the support rods 2 is three, a vertical column 3 is fixedly installed at the middle point of the bottom of the top seat 1, a thread groove 4 is arranged at the bottom end of the vertical column 3, threads are arranged on the inner side wall of the thread groove 4, a screw rod 5 is screwed in the thread groove 4, a cylindrical block 6 is fixedly installed at the bottom end of the screw rod 5, an annular groove 7 is arranged on the side wall of the cylindrical block 6, a circular ring 8 is slidably installed in the annular groove 7, and the circular ring 8 can rotate in the, but can not move about in annular 7 from top to bottom, front and back, left and right sides, the lateral wall of ring 8 articulates the one end of connecting rod 9, and the quantity of connecting rod 9 is three, and the other end of connecting rod 9 articulates on the telescopic link body lateral wall of branch 2, and the bottom fixed mounting of cylinder piece 6 has holding rod 10, and holding rod 10 is used for rotating cylinder piece 6.
Specifically, the upper and lower both ends and the inside wall of ring 8 all are equipped with cambered surface 11, as shown in fig. 2, the setting of cambered surface 11 for reduce the upper and lower both ends of ring 8 respectively with the area of contact of the last lower wall of annular 7, the inside wall of ring 8 and the inside wall of annular 7, and then increase sliding effect.
Particularly, both ends all are equipped with opening 12 about the inside wall of thread groove 4, and the lateral wall left end of screw rod 5 is equipped with perforation 13, is equipped with bolt 14 in the perforation 13, and the right-hand member of bolt 14 passes opening 12 spiro union and has nut 15, through setting up opening 12, perforation 13, bolt 14 and nut 15 for lock the position of screw rod 5, avoid the rotation of screw rod 5.
Specifically, a rubber layer 16 is fixedly mounted on the left side surface of the nut 15, and the rubber layer 16 is arranged to increase the friction fixing effect between the left side surface of the nut 15 and the outer side wall of the upright post 3.
The working principle is as follows: when the height of footstock 1 is adjusted to needs, rotate nut 15, make nut 15 break away from bolt 14, and take out bolt 14 from perforation 13, clockwise rotation holding rod 10, make cylinder piece 6 and screw rod 5 rotate, 5 upward movements of screw rod simultaneously, drive through connecting rod 9, make the flexible body of rod of branch 2 enter into the mobile jib inside, and then reduce the length of branch 2, the height of footstock 1 is transferred down, anticlockwise rotation holding rod 10, then for the height of heightening footstock 1, further carry out height control to the spirit level on the footstock 1.
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 (4)
1. The utility model provides an auxiliary device is used in instrument calibration with adjustable which characterized in that: including footstock (1), the bottom edge of footstock (1) articulates there is branch (2), the quantity of branch (2) is three, the bottom mid point of footstock (1) department fixed mounting has stand (3), the bottom of stand (3) is equipped with thread groove (4), threaded connection has screw rod (5) in thread groove (4), the bottom fixed mounting of screw rod (5) has cylinder piece (6), be equipped with annular (7) on the lateral wall of cylinder piece (6), slidable mounting has ring (8) in annular (7), the lateral wall of ring (8) articulates the one end that has connecting rod (9), the quantity of connecting rod (9) is three, the other end of connecting rod (9) articulates on the telescopic link body lateral wall of branch (2), the bottom fixed mounting of cylinder piece (6) has holding rod (10).
2. An adjustable instrument calibration aid according to claim 1 wherein: the upper end, the lower end and the inner side wall of the circular ring (8) are both provided with cambered surfaces (11).
3. An adjustable instrument calibration aid according to claim 1 wherein: both ends all are equipped with opening (12) about the inside wall of thread groove (4), the lateral wall left end of screw rod (5) is equipped with perforation (13), be equipped with bolt (14) in perforation (13), the right-hand member of bolt (14) passes opening (12) spiro union has nut (15).
4. An adjustable instrument calibration aid according to claim 3 wherein: and a rubber layer (16) is fixedly arranged on the left side surface of the nut (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020956306.5U CN212361452U (en) | 2020-05-31 | 2020-05-31 | Auxiliary device is used in instrument calibration with adjustable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020956306.5U CN212361452U (en) | 2020-05-31 | 2020-05-31 | Auxiliary device is used in instrument calibration with adjustable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212361452U true CN212361452U (en) | 2021-01-15 |
Family
ID=74155388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020956306.5U Expired - Fee Related CN212361452U (en) | 2020-05-31 | 2020-05-31 | Auxiliary device is used in instrument calibration with adjustable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212361452U (en) |
-
2020
- 2020-05-31 CN CN202020956306.5U patent/CN212361452U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210115 |