CN113358105A - Internal thread-inserted blind hole embedded part group positioning measurement system and measurement method - Google Patents
Internal thread-inserted blind hole embedded part group positioning measurement system and measurement method Download PDFInfo
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- CN113358105A CN113358105A CN202110520623.1A CN202110520623A CN113358105A CN 113358105 A CN113358105 A CN 113358105A CN 202110520623 A CN202110520623 A CN 202110520623A CN 113358105 A CN113358105 A CN 113358105A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C15/00—Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
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Abstract
The invention provides an internal thread type blind hole embedded part group positioning measurement system and a measurement method, wherein the measurement system comprises: the connecting device comprises a plurality of connecting devices, each connecting device comprises a magnetic base, a screw rod used for being fixed with a blind hole in a threaded manner is fixed at the bottom of the magnetic base, a spherical groove is formed in the upper surface of the magnetic base, and the center of the spherical groove, the center of the screw rod and the center of the corresponding blind hole of each connecting device are positioned on the same straight line; the spherical prisms are used for being matched with the total station for measurement, and are fixed in the spherical grooves in a matching and absorbing mode; and the positioning plate is used for dividing the dispersed blind holes into blind hole module groups, and the positioning plate is provided with openings which are in one-to-one correspondence with the positions of the blind holes in the blind hole module groups and are used for the penetration of the screws. The center of the spherical prism is consistent with the central shaft of the inner threaded blind hole, so that the measurement target is positioned accurately without leveling and centering in the process of transferring the measurement target medium and the measurement target is placed quickly.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to an inner threaded blind hole embedded part group positioning and measuring system and a measuring method.
Background
1307 groups (with a distance of 500) of blind hole embedded parts are distributed on the table top of the underwater vibration table according to the installation requirement of the underwater vibration table process equipment, wherein the longest distance is 92m in the east-west direction, and the longest distance is 68m in the north-south direction. The spacing between the blind hole embedded parts of the group is 500mm, the height is 260mm, and the inner diameter is 30 mm. Because of the special requirements of the process, the requirement on the installation precision of the blind hole is extremely high, and the method specifically comprises the following steps: the error of the center distance of adjacent blind holes is +/-2 mm, and the accumulated error of the center distance of the holes is +/-2 mm within the length range of 3 m.
Because the blind hole buries the piece for interior box screw formula trompil buries the piece, can't accurately find the central point that the blind hole buried the piece in measurement location puts, and each blind hole becomes the disperse state in addition, and a large amount, and installation positioning accuracy is super high, adopts traditional measurement mode can't satisfy the blind hole and buries the high accuracy requirement of a group.
Disclosure of Invention
In view of the above situation, the present invention provides a positioning and measuring system and a positioning and measuring method for an internal thread type blind hole embedded part group, which solve the technical problem that the existing measuring mode cannot meet the high precision requirement of the blind hole embedded part group.
In order to achieve the purpose, the invention adopts the technical scheme that: an internal thread type blind hole embedded part group positioning and measuring system is provided, which comprises:
the connecting device comprises a plurality of connecting devices, each connecting device comprises a magnetic base, a screw rod used for being fixed with a blind hole in a threaded mode is fixed to the bottom of the magnetic base, a spherical groove matched with the spherical prism and fixedly adsorbed is formed in the upper surface of the magnetic base, and the center of the spherical groove, the center of the screw rod and the center of the corresponding blind hole of each connecting device are located on the same straight line;
the spherical prisms are used for being matched with the total station for measurement, and are fixed in the spherical grooves in a matching and absorbing mode;
and the positioning plate is used for dividing the dispersed blind holes into blind hole module groups, and the positioning plate is provided with openings which are in one-to-one correspondence with the positions of the blind holes in the blind hole module groups and are used for the penetration of the screws. In the embodiment of the invention, the spherical groove is hemispherical.
In the embodiment of the invention, the positioning plate is a rectangular frame, and two opposite frame edges of the rectangular frame are respectively provided with a plurality of openings.
In the embodiment of the invention, a rotating handle is fixed between the magnetic base and the screw rod.
The invention also provides a high-precision embedded part positioning and measuring method for the inner threaded blind hole module group, which comprises the following steps of:
providing a positioning plate for dividing dispersed blind holes into blind hole module groups, wherein the positioning plate is provided with openings which correspond to the blind hole positions in the blind hole module groups one by one, and the positioning plate is installed on the blind hole module groups in a matching manner;
providing a plurality of connecting devices, wherein each connecting device comprises a magnetic base, a screw rod used for being fixed with the blind hole in a threaded mode is fixed to the bottom of the magnetic base, and a spherical groove matched with the spherical prism and fixed in an adsorption mode is formed in the upper surface of the magnetic base; penetrating the screw of each connecting device through the opening and fastening the screw with a blind hole below the opening in a threaded manner;
providing a plurality of spherical prisms, and fixing each spherical prism in each spherical groove through magnetic adsorption;
and providing a total station, enabling the total station to automatically aim at the spherical prisms, measuring the center coordinates of the blind holes corresponding to the spherical prisms, comparing the actually measured center coordinates of the blind holes with the designed center coordinates of the blind holes by a difference value, and adjusting the positions of the blind holes according to the difference value.
In the embodiment of the invention, the positioning plate is a rectangular frame, the openings are respectively arranged on four corners of the rectangular frame, the center coordinates of the blind holes at the four corners of each group of blind hole module groups are measured and compared with the designed coordinates of the centers of the blind holes, and the positions of the blind holes are adjusted according to the difference.
In the embodiment of the invention, after one group of blind hole module groups is accurately positioned, the connecting device, the spherical prism and the positioning plate are taken down, and the central coordinate of the next group of blind holes is measured.
Due to the adoption of the technical scheme, the invention has the following beneficial effects:
(1) the centers of the spherical grooves, the centers of the screw rods and the centers of the corresponding blind holes of the connecting devices are positioned on the same straight line, the spherical prisms are matched, adsorbed and fixed in the spherical grooves and are in seamless connection with the spherical grooves, the centers of the spherical prisms are ensured to be consistent with the central axis of the inner threaded blind holes, the measurement mode of leveling and centering is not needed in the transmission of a measurement target medium, the installation is rapid, and the measurement mode is accurately transmitted, so that the measurement target is accurately positioned.
(2) According to the invention, the finish machining positioning plate is designed, dispersed blind hole embedded parts are divided into positioning blind hole module groups through the positioning plate, and the quick installation and accurate positioning of the group blind hole embedded parts are realized by combining the accurate measurement positioning in a construction site and the finish machining positioning in a factory.
Drawings
FIG. 1 is a schematic diagram of the use state of the positioning and measuring system of the internal thread type blind hole embedded member group of the present invention.
Fig. 2 is a schematic view of the structure of the connecting device of the present invention.
Fig. 3 is a schematic structural diagram of the positioning plate of the present invention.
Fig. 4 is a partially enlarged schematic view of the invention at S in fig. 1.
The correspondence of reference numerals to components is as follows:
a connecting device 1; a magnetic base 11; a screw 12; a spherical recess 13; turning the handle 14; a spherical prism 2; a positioning plate 3; an opening 31; a blind hole module group 4; and a bolt 5.
Detailed Description
To facilitate an understanding of the present invention, the following description is made in conjunction with the accompanying drawings and examples.
Referring to fig. 1 and 4, the present invention provides an internal thread type blind hole embedded member group positioning and measuring system, including: the blind hole embedded part group measuring device comprises a plurality of connecting devices 1, a plurality of spherical prisms 2 used for being matched with a total station (not shown) for measurement and a positioning plate 3 used for dividing dispersed blind holes into a blind hole module group 4, wherein the spherical prisms 2 are matched, adsorbed and fixed in a spherical groove 13, the center of the spherical prisms 2 is ensured to be consistent with the central axis of the inner threaded blind hole, the central coordinate of the inner threaded blind hole can be known by measuring the central coordinate of the spherical prisms 2 through the total station, the accurate measurement of the blind hole coordinate is realized, and the technical problem that the traditional measuring mode in the prior art cannot meet the requirement of high-precision positioning of a blind hole embedded part group is solved.
Specifically, as shown in fig. 2, each of the connecting devices 1 includes a magnetic base 11, a screw 12 for screwing and fixing with a blind hole is fixed at the bottom of the magnetic base 11, a spherical groove 13 matched and attracted and fixed with the spherical prism 2 is formed on the upper surface of the magnetic base 11, the center of the spherical groove 13, the center of the screw 12 and the center of the corresponding blind hole of each of the connecting devices 1 are located on the same straight line, and each of the spherical prisms 2 is matched and attracted and fixed in the spherical groove 13; and the positioning plate 3 is provided with openings 31 which are in one-to-one correspondence with the positions of the blind holes in the blind hole module group and are used for the screw rods to penetrate through.
The center of the spherical groove 13, the center of the screw 12 and the center of the blind hole are positioned on the same straight line, and the spherical prism 2 is matched, adsorbed and fixed in the spherical groove 13, so that the center of the spherical prism 2 is consistent with the center shaft of the blind hole, leveling and centering adjustment of the spherical prism 2 is omitted, the installation is quick and convenient, a measurement mode is accurately transferred, and a measurement target is accurately positioned.
In the embodiment of the invention, the spherical groove 13 is hemispherical; the hemispherical spherical groove 13 can increase the contact area between the spherical prism 2 and the spherical groove 13, so that the spherical prism 2 is stably adsorbed and fixed; the connecting device 1 can be connected in a vertically arranged blind hole and can also be connected in a horizontally arranged blind hole, when the connecting device 1 is fixed in the horizontally arranged blind hole, the spherical prism 2 and the hemispherical groove can also be stably adsorbed and fixed, and the accuracy and the convenience of positioning measurement are improved.
In the embodiment of the present invention, as shown in fig. 3, the positioning plate 3 is a rectangular frame, and two opposite frame edges of the rectangular frame are respectively provided with a plurality of openings 31; specifically, each frame edge is provided with 9 openings 31 corresponding to the number of embedded parts in each row of 9 blind holes in the blind hole module group 4. Preferably, when the length of the rectangular frame is long, a plurality of connecting rails 31 may be added to the rectangular frame to improve the structural stability and durability of the positioning plate 3. Further, the shape of the positioning plate 3 is not limited to a rectangular frame, and those skilled in the art can adapt the shape according to the arrangement form of the blind hole embedded parts.
In the embodiment of the invention, each frame edge of the positioning plate 3 is a U-shaped groove steel member; preferably, the blind hole embedded part is internally threaded with a bolt 5, the bolt 5 can block the blind hole to prevent impurities from falling into the blind hole, and the bolt 5 can be fixed with the positioning plate 3 to realize the positioning of the positioning plate 3.
In the embodiment of the invention, a rotating handle 14 is fixed between the magnetic base 11 and the screw 12; in particular, the turning handle 14 may be a cylindrical body having a diameter greater than that of the screw 12 to facilitate the constructor to screw the connection device 1 into the blind hole.
The positioning and measuring system of the internal thread type blind hole embedded part group is specifically described above, and the positioning and measuring method of the internal thread type blind hole embedded part group by using the measuring system is described as follows, wherein the method comprises the following steps:
providing a positioning plate 3 for dividing dispersed blind holes into blind hole module groups, wherein the positioning plate 3 is provided with openings 31 which correspond to the blind hole positions in the blind hole module groups one by one, and the positioning plate 3 is installed on the blind hole module groups in a matching manner;
providing a plurality of connecting devices 1, wherein each connecting device 1 comprises a magnetic base 11, a screw 12 for being screwed and fixed with a blind hole is fixed at the bottom of the magnetic base 11, and a spherical groove 13 is formed on the upper surface of the magnetic base 11; the screw 12 of each connecting device 1 penetrates through the opening 31 and is screwed and fastened with a blind hole below the opening 31;
providing a plurality of spherical prisms 2, and fixing each spherical prism 2 in each spherical groove 13 through magnetic adsorption;
and providing a total station, automatically aiming at the spherical prisms 2 by the total station, measuring the center coordinates of the blind holes corresponding to the spherical prisms 2, comparing the actually measured center coordinates of the blind holes with the designed center coordinates of the blind holes by a difference value, and adjusting the positions of the blind holes according to the difference value.
Preferably, the positioning plate 3 is a rectangular frame, the openings 31 are respectively formed in four corners of the rectangular frame, the blind hole center coordinates of the four corners (A, B, C, D in the figure) of each group of blind hole module groups are measured and compared with the blind hole center design coordinates, and the blind hole positions are adjusted according to the difference. Furthermore, after a group of blind hole module groups are accurately positioned, the connecting device 1, the spherical prism 2 and the positioning plate 3 are taken down, and the central coordinate of the next group of blind holes is measured.
In the embodiment of the invention, when the coordinates of only part of blind holes in the blind hole module group 4 are measured, for other blind holes, the bolts 5 can penetrate through the through holes of the positioning plate 3, so that the bolts 5 are screwed in the blind holes, the blind holes can be blocked, the positioning plate 3 can be fixed on the blind hole module group through the bolts 5, and the mounting stability of the positioning plate 3 is improved.
According to the invention, the coordinates of the centers of the blind holes between the blind hole module group and the blind hole module group are measured, so that the blind hole embedded part group can be ensured to integrally meet the design precision requirement; the center coordinates of the blind holes in each group are measured, so that the center coordinates of the blind holes in the group are consistent with the design coordinates, and the mounting precision of the blind holes in the blind hole module group is improved.
While the present invention has been described in detail and with reference to the accompanying drawings and examples, it will be apparent to one skilled in the art that various changes and modifications can be made therein. Therefore, certain details of the embodiments are not to be interpreted as limiting, and the scope of the invention is to be determined by the appended claims.
Claims (7)
1. An internal thread type blind hole embedded part group positioning and measuring system is characterized by comprising:
the connecting device comprises a plurality of connecting devices, each connecting device comprises a magnetic base, a screw rod used for being fixed with a blind hole in a threaded manner is fixed at the bottom of the magnetic base, a spherical groove is formed in the upper surface of the magnetic base, and the center of the spherical groove, the center of the screw rod and the center of the corresponding blind hole of each connecting device are positioned on the same straight line;
the spherical prisms are used for being matched with the total station for measurement, and are fixed in the spherical grooves in a matching and absorbing mode;
and the positioning plate is used for dividing the dispersed blind holes into blind hole module groups, and the positioning plate is provided with openings which are in one-to-one correspondence with the positions of the blind holes in the blind hole module groups and are used for the penetration of the screws.
2. The internal threaded blind hole insert group positioning and measuring system of claim 1, wherein the spherical recess is hemispherical.
3. The system according to claim 1, wherein the positioning plate is a rectangular frame, and two opposite edges of the rectangular frame are respectively provided with a plurality of openings.
4. The internal threading blind hole embedded member group positioning and measuring system according to claim 1, wherein a rotating handle is fixed between the magnetic base and the screw rod.
5. An internal thread type blind hole embedded part group positioning and measuring method is characterized by comprising the following steps:
providing a positioning plate for dividing dispersed blind holes into blind hole module groups, wherein the positioning plate is provided with openings which correspond to the blind hole positions in the blind hole module groups one by one, and the positioning plate is installed on the blind hole module groups in a matching manner;
providing a plurality of connecting devices, wherein each connecting device comprises a magnetic base, a screw rod used for being fixed with the blind hole in a threaded mode is fixed to the bottom of the magnetic base, and a spherical groove matched with the spherical prism and fixed in an adsorption mode is formed in the upper surface of the magnetic base; penetrating the screw of each connecting device through the opening and fastening the screw with a blind hole below the opening in a threaded manner;
providing a plurality of spherical prisms, and fixing each spherical prism in each spherical groove through magnetic adsorption;
and providing a total station, enabling the total station to automatically aim at the spherical prisms, measuring the center coordinates of the blind holes corresponding to the spherical prisms, comparing the actually measured center coordinates of the blind holes with the designed center coordinates of the blind holes by a difference value, and adjusting the positions of the blind holes according to the difference value.
6. The method according to claim 5, wherein the positioning plate is a rectangular frame, the openings are respectively formed on four corners of the rectangular frame, the center coordinates of the blind holes at the four corners of each blind hole module group are measured and compared with the designed center coordinates of the blind holes, and the positions of the blind holes are adjusted according to the difference.
7. The method according to claim 5, wherein after the blind hole module set is precisely positioned, the connecting device, the spherical prism and the positioning plate are removed to measure the center coordinates of the blind hole module set.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110520623.1A CN113358105B (en) | 2021-05-13 | 2021-05-13 | Internal thread-inserted blind hole embedded part group positioning measurement system and measurement method |
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| CN202110520623.1A CN113358105B (en) | 2021-05-13 | 2021-05-13 | Internal thread-inserted blind hole embedded part group positioning measurement system and measurement method |
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| CN113358105A true CN113358105A (en) | 2021-09-07 |
| CN113358105B CN113358105B (en) | 2023-02-28 |
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