CN210036753U - Perpendicularity detection ruler calibrating device - Google Patents
Perpendicularity detection ruler calibrating device Download PDFInfo
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- CN210036753U CN210036753U CN201921212439.5U CN201921212439U CN210036753U CN 210036753 U CN210036753 U CN 210036753U CN 201921212439 U CN201921212439 U CN 201921212439U CN 210036753 U CN210036753 U CN 210036753U
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Abstract
The utility model discloses a verticality detection ruler calibrating device, which comprises a calibrating platform and a calibrating upright post, wherein the calibrating upright post is detachably connected with the calibrating platform; the upper part of the front end surface of the verification stand column is provided with a positioning mechanism for installing a to-be-detected verticality detection ruler, and the to-be-detected verticality detection ruler is rotatably connected with the positioning mechanism; the front end face of the verification stand column is provided with a number of microscopic taps, and the side heads of the number of microscopic taps are right opposite to the right end face of the detection ruler for detecting the verticality. The utility model is provided with a verification platform, a verification upright post and a digital display differential head, and has simple integral structure; meanwhile, the straightness, the indicating value fluctuation quantity and the indicating value error of the working surface of the verticality detection ruler can be verified; when the indication value variation and the indication value error of the verticality detection ruler are detected, the side head is extended or retracted only by rotating the handle of the number micrometer head, so that the corresponding reading is read, and the whole operation process is simple, the operation repeatability is good, and the operation stability is high.
Description
Technical Field
The utility model belongs to the technical field of building engineering detector group examination, concretely relates to straightness detection chi calibrating installation hangs down.
Background
The construction engineering detector group is mainly used for construction and completion detection of engineering construction, decoration and fitment, bridge construction, equipment installation and other projects. The building engineering detector group comprises a verticality detection ruler, an inner right-angle detection ruler, an outer right-angle detection ruler, a diagonal detection ruler, a wedge-shaped clearance gauge, a grid net, a slope gauge and the like. Along with the rapid development of the building industry in China, the technical requirements of higher precision and higher accuracy are provided for the building engineering detector group. Therefore, the construction tester group must be certified to test its accuracy and precision before it can be used.
However, the existing calibrating devices for the verticality detection ruler are few, most of the structures are complex, and the repeatability and stability of the calibrating result are poor.
Therefore, it is a problem that the design of a device for calibrating the accuracy of the verticality detection ruler with a simple structure is urgent to solve at present.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a straightness detection chi calibrating installation hangs down for overcoming above-mentioned prior art not enough.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a perpendicularity detection ruler calibrating device comprises a calibrating platform and a calibrating upright arranged at the upper part of the calibrating platform, wherein the calibrating upright is detachably connected with the calibrating platform;
the bottom of the verification stand column is provided with four positioning holes which are distributed in a rectangular shape, a positioning shaft sleeve is arranged in each positioning hole, and a positioning pin hole is formed in the upper portion of each positioning shaft sleeve; the bottom of the verification upright post is provided with two pin holes which are distributed left and right and run through the front end face and the rear end face, and the pin holes are run through the positioning holes on the corresponding sides; positioning pins are arranged in the pin holes and the corresponding positioning pin holes;
the verification platform is provided with four threaded connecting holes which are in one-to-one correspondence with the four positioning holes and penetrate through the upper end surface and the lower end surface; a fastening bolt is arranged in the threaded connecting hole from bottom to top, and the upper part of the fastening bolt is in threaded connection with the inner surface of the positioning shaft sleeve;
the upper part of the front end surface of the verification stand column is provided with a positioning mechanism for mounting a verticality detection ruler to be verified, and the verticality detection ruler to be verified is rotatably connected with the positioning mechanism;
the front end face of the verification stand column is provided with a number of microscopic taps, and a measuring head of the number of microscopic taps is right opposite to the right end face of the to-be-detected verticality detection ruler.
Preferably, the flatness of the upper surface of the assay platform is less than 0.01 mm.
Preferably, the assay platform is made of granite materials.
Preferably, the positioning mechanism comprises a positioning plate, the right end of the positioning plate is fixedly connected with the calibration stand column, the left end of the positioning plate is provided with a positioning through hole for a positioning shaft to pass through, the front end of the positioning shaft is inserted into a hanging hole in the upper part of the rear side surface of the to-be-calibrated verticality detection ruler, and the to-be-calibrated verticality detection ruler is rotatably connected with the positioning shaft through the hanging hole; and a positioning shaft at the rear end of the positioning plate is in threaded connection with the positioning nut.
Preferably, the positioning plate is connected with the verification stand column through a bolt.
Preferably, a backup plate used for supporting the to-be-detected verticality detection ruler is arranged on the front end face of the detection upright column at the lower part of the digital display differential head.
Preferably, the front end surface of the backup plate is coplanar with the front end surface of the positioning plate.
Preferably, a plurality of lightening holes used for lightening the weight of the verification stand column are uniformly arranged on the verification stand column along the height direction.
Preferably, be provided with the axle sleeve on the side lever of digital display differential head side head end, the mounting hole fixed connection on axle sleeve and a right angle side of L type mounting panel, another right angle side of L type mounting panel is provided with two bar holes, be provided with the connecting hole that corresponds with the bar hole on the preceding terminal surface of examination stand, be provided with connecting bolt in corresponding bar hole and the connecting hole.
The utility model has the advantages that:
the utility model discloses the straightness detection ruler calibrating installation that hangs down is provided with examination platform, examination stand, digital display differential head, and overall structure is simple; meanwhile, the straightness, the indicating value fluctuation quantity and the indicating value error of the working surface of the verticality detection ruler can be verified; when the indication value variation and the indication value error of the verticality detection ruler are detected, the side head is extended or retracted only by rotating the handle of the number micrometer head, so that the corresponding reading is read, and the whole operation process is simple, the operation repeatability is good, and the operation stability is high.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.
FIG. 1 is a first schematic structural view of the perpendicularity detecting ruler calibrating apparatus of the present invention;
FIG. 2 is a second schematic structural view of the perpendicularity detecting ruler calibrating apparatus of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 1;
FIG. 4 is a partial enlarged view of B in FIG. 2;
FIG. 5 is a schematic view of the assembly of the calibration platform and the calibration column according to the present invention;
FIG. 6 is a schematic structural view of positioning holes and pin holes in the stand column for calibration according to the present invention;
wherein the content of the first and second substances,
0-to-be-detected verticality detection ruler, 1-verification platform, 11-threaded connection hole, 2-verification stand column, 21-positioning hole, 22-pin hole, 23-backup plate, 24-lightening hole, 3-positioning plate, 4-positioning shaft, 5-positioning nut, 6-number micro-split, 61-shaft sleeve, 62-L-shaped mounting plate, 63-strip-shaped hole, 64-connection bolt, 7-positioning shaft sleeve, 71-positioning pin hole, 8-positioning pin and 9-fastening bolt.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
In the present invention, the terms such as "front", "back", "right", etc. indicate the position or positional relationship based on the position or positional relationship shown in the drawings, and the relationship term determined only for convenience of describing the structural relationship of each component or element of the present invention is not specific to any component or element of the present invention, and is not to be construed as limiting the present invention.
In the present invention, terms such as "connected" and "connected" should be understood in a broad sense, and may be either fixedly connected or integrally connected or detachably connected; may be directly connected or indirectly connected through an intermediate. The meaning of the above terms in the present invention can be determined according to specific situations by persons skilled in the art, and should not be construed as limiting the present invention.
The present invention will be further explained with reference to the drawings and examples.
As shown in fig. 1-2, a perpendicularity detection ruler calibrating device comprises a calibrating platform 1 and a calibrating upright 2 arranged at the upper part of the calibrating platform 1, wherein the calibrating upright 2 is detachably connected with the calibrating platform 1;
as shown in fig. 5-6, four positioning holes 21 are arranged at the bottom of the calibration column 2 in a rectangular distribution, a positioning shaft sleeve 7 is arranged in each positioning hole 21, and a positioning pin hole 71 is arranged at the upper part of each positioning shaft sleeve 7; the bottom of the verification upright post 2 is provided with two pin holes 22 which are distributed left and right and run through the front end surface and the rear end surface, and the pin holes 22 run through the positioning holes 21 on the corresponding sides; positioning pins 8 are arranged in the pin holes 22 and the corresponding positioning pin holes 71;
the verification platform 1 is provided with four threaded connecting holes 11 which are in one-to-one correspondence with the four positioning holes 21 and penetrate through the upper end surface and the lower end surface; a fastening bolt 9 is arranged in the threaded connecting hole 11 from bottom to top, and the upper part of the fastening bolt 9 is in threaded connection with the inner surface of the positioning shaft sleeve 7;
during installation, firstly, inserting the four positioning shaft sleeves 7 into the four positioning holes 21 at the bottom of the verification upright post 2, and rotating the positioning shaft sleeves 7 to enable the positioning pin holes 71 at the upper part of the positioning shaft sleeves 7 to be coaxial with the corresponding pin holes 22; then, inserting a positioning pin 9 into the coaxial pin hole 22 and the coaxial positioning pin hole 71, thereby fixing the positioning shaft sleeve 7 in the positioning hole 21 of the verification upright post 2;
then, the positioning holes 21 correspond to the four threaded connecting holes 11 of the verification platform 1 one by one, and finally the fastening bolts 9 are screwed into the threaded connecting holes 11 and the positioning shaft sleeve 7 from bottom to top in sequence, so that the fastening bolts 9 are in threaded connection with internal threads in the positioning shaft sleeve 7, and the verification upright column 2 is connected with the verification platform 1;
the connection relationship between the verification stand column 2 and the verification platform 1 is a detachable connection relationship in the application; meanwhile, when in connection, the fastening bolt 9 is indirectly connected with the verification upright post 2 through the positioning shaft sleeve 7, and in the using process, if the positioning shaft sleeve 7 is damaged, the positioning shaft sleeve 7 can be replaced, so that the replacement is convenient, and on the other hand, the positioning shaft sleeve 7 and the like have simple structures and low manufacturing cost, and the cost is saved in the replacement process; if the verification platform 1 is directly connected with the verification stand column 2 through the fastening bolt, once the threaded hole matched with the fastening bolt arranged on the verification stand column 2 is damaged, the whole verification stand column 2 can be replaced, and the replacement cost is too high.
The upper part of the front end surface of the verification upright post 2 is provided with a positioning mechanism for installing a verticality detection ruler 0 to be detected, and the verticality detection ruler 0 to be detected is rotatably connected with the positioning mechanism;
the front end face of the detection upright post 2 is provided with a plurality of microscopic taps 6, and the side heads of the plurality of microscopic taps 6 are right opposite to the right end face of the verticality detection ruler 0 to be detected; the travel of the micro-micrometer head is 50mm, the precision is 0.005mm, and the resolution is 0.001 mm.
Preferably, the flatness of the upper surface of the assay platform 1 is better than 0.01 mm.
Wherein, the straightness of the upright post is better than 0.01 mm.
Preferably, the assay platform 1 is made of granite materials.
Preferably, as shown in fig. 4, the positioning mechanism comprises a positioning plate 3, the right end of the positioning plate 3 is fixedly connected with the calibration stand column 2, the left end of the positioning plate 3 is provided with a positioning through hole for the positioning shaft 4 to pass through, the front end of the positioning shaft 4 is inserted into a hanging hole at the upper part of the rear side surface of the detection ruler 0 for detecting the verticality, and the detection ruler 0 for detecting the verticality is rotatably connected with the positioning shaft 4 through the hanging hole; a positioning shaft 4 at the rear end of the positioning plate 3 is in threaded connection with a positioning nut 5; after a positioning shaft 4 passes through a positioning plate 3 from back to front and then is inserted into a hanging hole at the rear end of a detection ruler 0 to be detected for verticality, a positioning nut 5 is screwed on the positioning shaft 4 at the rear end of the positioning plate 3, the length of the positioning shaft at the front end of the positioning plate 3 is adjusted by rotating the positioning nut 5, so that the rear end face of the detection ruler 1 to be detected for verticality is in contact with the front end face of the positioning plate 3 after the front end of the positioning shaft 4 is inserted into the hanging hole, and when the detection ruler 0 to be detected for verticality rotates around the positioning shaft 4, the front end face of the positioning plate 3 in contact with the rear end face of the detection ruler 1 to be detected for verticality can play;
wherein, the vertical plane of the central axis of the hanging hole at the upper part of the rear side surface of the verticality detection ruler 0 to be detected passes through the gravity center of the verticality detection ruler 0 to be detected; thereby guarantee to wait to examine under natural state and wait to decide straightness detection chi 0 of hanging when fixing a position on axle 4, wait to examine that straightness detection chi 0 of hanging is vertical decurrent upright state.
Preferably, the positioning plate 3 is connected with the verification stand column 2 through bolts.
Preferably, a backup plate 23 for supporting the to-be-detected verticality detection ruler 0 is arranged on the front end face of the detection upright post 2 at the lower part of the number microscope head 6.
Preferably, the front end surface of the backup plate 23 is coplanar with the front end surface of the positioning plate 3.
Preferably, the calibration columns 2 are uniformly provided with a plurality of lightening holes 24 along the height direction for lightening the weight of the calibration columns 2.
Preferably, as shown in fig. 3, a shaft sleeve 61 is arranged on a side lever at the side head end of the digital microscope head 6, the shaft sleeve 61 is fixedly connected with a mounting hole on a right-angle side of the L-shaped mounting plate 62, two strip-shaped holes 63 are arranged on the other right-angle side of the L-shaped mounting plate 62, a connecting hole corresponding to the strip-shaped hole 63 is arranged on the front end face of the verification upright post 2, and a connecting bolt 64 is arranged in the corresponding strip-shaped hole 63 and the connecting hole.
The arrangement of the strip-shaped holes 63 can adjust the position of the L-shaped mounting plate 62, so that the position of the side head of the logarithmic micro-separation head 6 is roughly adjusted; when the handle of the number micrometer head is rotated, the side rod of the micrometer head can move forward and backward along the shaft sleeve 61, so that the forward and backward movement of the side head can be realized, and the fine adjustment of the position of the side head of the number micrometer head 6 can be further realized.
The utility model provides a straightness detection chi calibrating installation hangs down which embodiment mode as follows:
the calibrating device can calibrate the straightness, the indicating value variation and the indicating value error of the working face of the verticality measuring ruler.
(1) Straightness verification of working face of verticality detection ruler
The working face of the perpendicularity detection ruler 0 to be detected is kept flat on the detection platform 1 of the detection device, a clearance between the plug ruler test plug detection platform 1 with the thickness of 0.5mm and the working face of the perpendicularity detection ruler to be detected is selected, and when the plug does not advance, the straightness accuracy meeting requirements of the working face of the perpendicularity detection ruler to be detected are indicated.
(2) Detection of indication variation of verticality detection ruler
Hanging the detection ruler 0 to be detected for verticality on the positioning shaft 4 through the hanging hole and naturally hanging down the detection ruler 0 to be detected for verticality; adjusting the position of the integral microscopic tap 6 to enable the end part of the measuring head to be in contact with the right end face of the to-be-detected verticality detection ruler 0, then adjusting the integral microscopic tap 6 to a zero position, and then adjusting the pointer of the indicator of the to-be-detected verticality detection ruler 0 to the zero position; rotating the number of the micro-taps forwards (backwards), extending the side heads leftwards, and simultaneously rotating the verticality detection ruler 0 to be detected around the positioning shaft 4 at the top to enable the pointer of the indicator of the verticality detection ruler 0 to be detected to deviate from the zero position; then the digital display differential head 6 is rotated back to lead the digital display differential head 6 to zero again, and at the moment, the numerical value on the indicating gauge of the verticality detection ruler 0 to be detected is read; the front and the back are respectively done for 5 times, and the difference between the maximum value and the minimum value is taken as the indication value variation of the verticality detection ruler 0 to be detected.
(3) Indication error detection of verticality detection ruler
Hanging the detection ruler 0 to be detected for verticality on the positioning shaft 4 through the hanging hole and naturally hanging down the detection ruler 0 to be detected for verticality; adjusting the position of the integral micro-tap 6 to enable the end part of the side head to be in contact with the right end face of the verticality detection ruler 0 to be detected, adjusting the integral micro-tap 6 to a zero position, and adjusting the pointer of the indicator of the verticality detection ruler 0 to be detected to the zero position; uniformly selecting 5 calibration points (such as 3mm,6mm,9mm,12mm and 15mm) in the range of measurement range,
when the indication error of the scale on the left side of the zero position of the indication gauge of the verticality detection gauge is detected, the counting micro-tap 6 is rotated forwards (backwards) to reach a calibration point, the lateral head extends leftwards, and the verticality detection gauge 0 to be detected can rotate around the positioning shaft 4 on the top, so that the indicator pointer of the indication gauge 0 to be detected deviates from the zero position, the standard value of the counting micro-tap 6 relative to the calibration point and the reading of the indication gauge 0 to be detected on the verticality detection gauge 0 are respectively read, the reading of the indication gauge 0 to be detected on the verticality detection gauge 0 is subtracted from the standard value of the counting micro-tap 6 relative to the calibration point, the obtained numerical value is the indication error of the corresponding point, and therefore the detection of the indication error of the scale on the left side of the zero position of the indication gauge 0 to;
when the indication error of the right scale of the zero position of the verticality detection ruler indicator is detected, the number micro-sub 6 is reversely rotated to reach a calibration point, meanwhile, the verticality detection ruler 6 is slightly pushed by hand, the right side face of the verticality detection ruler 6 is abutted against the end part of the side head of the number micro-sub 6 to realize the rotation of the verticality detection ruler 0 to be detected around the top positioning shaft 4, the indicator pointer of the verticality detection ruler 0 to be detected deviates from the zero position, the standard value of the number micro-sub 6 relative to the calibration point and the reading of the verticality detection ruler 0 to be detected are respectively read, the standard value of the number micro-sub 6 relative to the calibration point is subtracted from the reading of the verticality detection ruler 0 to be detected, the obtained numerical value is the indication error of the corresponding point, and the zero position detection of the indication error of the right scale of the verticality detection ruler 0 to be detected is realized.
Although the present invention has been described with reference to the accompanying drawings, it is not intended to limit the present invention, and those skilled in the art should understand that, based on the technical solution of the present invention, various modifications or variations that can be made by those skilled in the art without inventive labor are still within the scope of the present invention.
Claims (9)
1. A calibration device for a verticality detection ruler is characterized by comprising a calibration platform and a calibration stand column arranged at the upper part of the calibration platform, wherein the calibration stand column is detachably connected with the calibration platform;
the bottom of the verification stand column is provided with four positioning holes which are distributed in a rectangular shape, a positioning shaft sleeve is arranged in each positioning hole, and a positioning pin hole is formed in the upper portion of each positioning shaft sleeve; the bottom of the verification upright post is provided with two pin holes which are distributed left and right and run through the front end face and the rear end face, and the pin holes are run through the positioning holes on the corresponding sides; positioning pins are arranged in the pin holes and the corresponding positioning pin holes;
the verification platform is provided with four threaded connecting holes which are in one-to-one correspondence with the four positioning holes and penetrate through the upper end surface and the lower end surface; a fastening bolt is arranged in the threaded connecting hole from bottom to top, and the upper part of the fastening bolt is in threaded connection with the inner surface of the positioning shaft sleeve;
the upper part of the front end surface of the verification stand column is provided with a positioning mechanism for mounting a verticality detection ruler to be verified, and the verticality detection ruler to be verified is rotatably connected with the positioning mechanism;
the front end face of the verification stand column is provided with a number of microscopic taps, and the side heads of the number of microscopic taps are right opposite to the right end face of the detection ruler for detecting the verticality.
2. The apparatus as claimed in claim 1, wherein the flatness of the upper surface of the calibration platform is less than 0.01 mm.
3. The apparatus as claimed in claim 1, wherein the platform is made of granite.
4. The perpendicularity detecting ruler calibrating device as claimed in claim 1, wherein the positioning mechanism comprises a positioning plate, the right end of the positioning plate is fixedly connected with the calibrating upright post, the left end of the positioning plate is provided with a positioning through hole for a positioning shaft to pass through, the front end of the positioning shaft is inserted into a hanging hole in the upper part of the rear side surface of the perpendicularity detecting ruler to be calibrated, and the perpendicularity detecting ruler to be calibrated is rotatably connected with the positioning shaft through the hanging hole; and a positioning shaft at the rear end of the positioning plate is in threaded connection with the positioning nut.
5. The calibrating device for the verticality measuring ruler according to claim 4, wherein the positioning plate is connected with the calibrating upright post through a bolt.
6. The calibrating apparatus for the verticality measuring ruler as claimed in claim 1, wherein a backup plate for supporting the verticality measuring ruler to be calibrated is arranged on the front end surface of the calibrating column at the lower part of the digital display differential head.
7. The calibrating device for the verticality measuring ruler according to claim 6, wherein the front end surface of the backup plate is coplanar with the front end surface of the positioning plate.
8. The calibrating device for the verticality measuring ruler according to claim 1, wherein a plurality of lightening holes for lightening the weight of the calibrating column are uniformly arranged on the calibrating column along the height direction.
9. The verticality measuring ruler calibrating device as claimed in claim 1, wherein the side rod of the side head end of the digital display differential head is provided with a shaft sleeve, the shaft sleeve is fixedly connected with a mounting hole on one right-angle side of the L-shaped mounting plate, the other right-angle side of the L-shaped mounting plate is provided with two strip-shaped holes, the front end surface of the calibrating upright post is provided with a connecting hole corresponding to the strip-shaped hole, and the corresponding strip-shaped hole and the connecting hole are provided with a connecting bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921212439.5U CN210036753U (en) | 2019-07-30 | 2019-07-30 | Perpendicularity detection ruler calibrating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921212439.5U CN210036753U (en) | 2019-07-30 | 2019-07-30 | Perpendicularity detection ruler calibrating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210036753U true CN210036753U (en) | 2020-02-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921212439.5U Active CN210036753U (en) | 2019-07-30 | 2019-07-30 | Perpendicularity detection ruler calibrating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210036753U (en) |
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2019
- 2019-07-30 CN CN201921212439.5U patent/CN210036753U/en active Active
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