CN112797959A - Bolt centering device, assembling method and coordinate measuring method - Google Patents
Bolt centering device, assembling method and coordinate measuring method Download PDFInfo
- Publication number
- CN112797959A CN112797959A CN202011557553.9A CN202011557553A CN112797959A CN 112797959 A CN112797959 A CN 112797959A CN 202011557553 A CN202011557553 A CN 202011557553A CN 112797959 A CN112797959 A CN 112797959A
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- bolt
- sleeve
- nut
- centering device
- centered
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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
- G01C15/002—Active optical surveying means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/002—Measuring arrangements characterised by the use of optical techniques for measuring two or more coordinates
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The application relates to a bolt centering device, which relates to the technical field of engineering construction, and comprises a nut connecting base, wherein the lower part of the nut connecting base is matched with the thread of a bolt to be centered; the sleeve is inserted and installed at the upper part of the nut connecting base, and the axis of the sleeve is superposed with the axis of the nut connecting base; and the lens rod of the small prism is coaxially inserted into the sleeve. The bolt centering device can efficiently and accurately complete bolt centering work and coordinate measurement work of a bolt to be centered.
Description
Technical Field
The application relates to the technical field of engineering construction, in particular to a bolt centering device, an assembling method and a coordinate measuring method.
Background
At present, in the engineering construction process, the position measurement work of various embedded bolts is often required. When the position of the embedded bolt is measured, the embedded bolt has a certain diameter, so that the embedded bolt needs to be centered (i.e. the center of the top end surface of the embedded bolt is found).
However, in some projects, the number of embedded bolts to be measured and positioned is large, the accuracy requirement is high, the types of the embedded bolts are many, and the work of finding the position of the embedded bolt is troublesome.
At present, the traditional measuring method of the embedded bolt mainly adopts a sizing method, namely, a worker measures the center of the top end face of the bolt by using a ruler, but the sizing method has low efficiency and inaccurate centering, and is not suitable for centering work of a large number of bolts. After the centering work of the top end face of the embedded bolt is finished, a prism is vertically arranged at the central point of the top end face of the embedded bolt by a constructor and is matched with a total station to measure the coordinate of the embedded bolt, in the process, the prism needs to be righted by the constructor in the whole process, a large amount of time and manpower are wasted, and the construction efficiency is low.
Disclosure of Invention
The embodiment of the application provides a bolt centering device, an assembling method and a coordinate measuring method.
The application provides a bolt centering device, its characterized in that contains:
the lower part of the nut connecting base is matched with the screw thread of the bolt to be centered;
the sleeve is inserted and installed at the upper part of the nut connecting base, and the axis of the sleeve is superposed with the axis of the nut connecting base;
and the lens rod of the small prism is coaxially inserted into the sleeve.
In some embodiments, the sleeve is a circular truncated cone tube, the bottom end of the sleeve is glued to the inner wall of the nut connecting base, and the top end of the sleeve supports the mirror body of the small prism.
In some embodiments, the nut connection base is a long nut or is composed of a main nut and more than one auxiliary nut.
The application also discloses an assembling method based on the bolt centering device, which comprises the following steps:
s1: determining the diameter of the bolt to be centered, and finding a nut connecting base matched with the diameter;
s2: mounting a sleeve to a nut connection base, wherein the axis of the sleeve is coincident with the axis of the nut connection base;
s3: the shaft of the small prism is inserted coaxially into the sleeve.
In some embodiments, the sleeve is a circular truncated cone tube, and the bottom end of the sleeve is glued to the inner wall of the nut connecting base in step S2.
In some embodiments, in step S3, the mirror shaft and the top opening of the sleeve have a gap of 0.5 mm.
In some embodiments, the nut connecting base is a long nut, an upper portion of the long nut is used for installing the sleeve, and a lower portion of the long nut is used for matching and connecting the bolt to be centered.
In some embodiments, the nut connection base is composed of a main nut and more than one auxiliary nut, the main nut is used for installing the sleeve, and the more than one auxiliary nut is used for matching and connecting the bolt to be centered.
The application also discloses a coordinate measuring method using the bolt centering device, which comprises the following steps:
screwing the bolt centering device on a bolt to be centered;
and erecting a total station at a known coordinate point, reflecting light emitted by the total station by a small prism of the bolt centering device, and reading out the coordinate of the bolt to be centered.
In some embodiments, the sleeve is a circular truncated cone tube, the bottom end of the sleeve is glued to the inner wall of the nut connecting base, and the top end of the sleeve supports the mirror body of the small prism; a gap of 0.5mm is formed between the mirror rod and the top opening of the sleeve; after the bolt centering device is screwed on the bolt to be centered, the small prism is finely adjusted and the air bubble on the small prism is centered.
The beneficial effect that technical scheme that this application provided brought includes:
the embodiment of the application provides a bolt centering device, an assembling method and a coordinate measuring method, wherein the bolt centering device comprises a nut connecting base, a sleeve and a small prism, the lower part of the nut connecting base is matched with a bolt to be centered in a threaded manner, the sleeve is fixed on the nut connecting base, and the axis of the sleeve is overlapped with the axis of the nut connecting base; the small prism is arranged on the sleeve; when a nut connecting base of the bolt centering device is in threaded connection with a bolt to be centered, the small prism can reflect the center of the top end face of the bolt to be centered, and coordinate measurement of the bolt can be efficiently completed by matching with a total station; the bolt centering device is simple in structure, convenient to manufacture, low in manufacturing cost, convenient to use and wide in application range, and compared with a traditional centering method, the centering method is high in efficiency and good in economic benefit, manual errors of the traditional centering method are avoided, and the efficiency of coordinate measurement is greatly accelerated.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic view of a bolt centering device according to an embodiment of the present disclosure;
reference numerals: 1. a small prism; 11. a mirror rod; 12. a mirror body; 2. a sleeve; 3. the nut is connected with the base; 31. a main nut; 32. an auxiliary nut; 100. bolt centering device.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
As shown in fig. 1, the present application discloses an embodiment of a bolt centering device, which comprises a small prism 1, a sleeve 2 and a nut connection base 3, wherein the lower part of the nut connection base 3 is used for matching with a bolt to be centered in a thread manner. The sleeve 2 is inserted and mounted on the upper part of the nut connecting base 3, and the axis of the sleeve 2 is coincident with the axis of the nut connecting base 3, and the sleeve 2 is used for providing support. The mirror rod 11 of the small prism 1 is inserted into the sleeve 2, and the axis of the mirror rod 11 coincides with the axis of the sleeve 2.
In one embodiment, the sleeve 2 is a circular truncated cone tube, the bottom end of which is glued to the inner wall of the upper part of the nut connecting base 3, and the top end of which bears the mirror body 12 of the small prism 1.
In one embodiment, the nut attachment base 3 may be a long nut having an upper portion for attaching the sleeve 2 and a lower portion for threaded mating with the bolt to be centered. In other embodiments, the nut connection base 3 may also be composed of one main nut 31 at the top for connecting the sleeve 2 and more than one auxiliary nut 32 for screw-thread matching with the bolt to be centered.
Specifically, the small prism 1 inserted on the sleeve 2 can rotate 360 degrees, and the bubble of the small prism 1 can be adjusted to be centered, so as to ensure that the rod tip of the small prism 1 is always in the central position of the bolt to be centered.
The bolt centering device comprises a nut connecting base 3, a sleeve 2 and a small prism 1, wherein the lower part of the nut connecting base 3 is in threaded matching with a bolt to be centered, the sleeve 2 is fixed on the nut connecting base 3, and the axis of the sleeve 2 is superposed with the axis of the nut connecting base 3; the small prism 1 is arranged on the sleeve 2; when the nut connecting base 3 of the bolt centering device is in threaded connection with the bolt to be centered, the small prism 1 can reflect the center of the top end face of the bolt to be centered; the bolt centering device is simple in structure, convenient to manufacture, low in manufacturing cost, convenient to use and wide in application range.
The application also discloses an assembling method based on the bolt centering device, which comprises the following steps:
s1: and determining the diameter of the bolt to be centered, and finding the nut connecting base 3 matched with the bolt to be centered.
S2: the sleeve 2 is mounted to the nut attachment base 3 with the axis of the sleeve 2 coinciding with the axis of the nut attachment base 3. The nut connecting base 3 and the sleeve 2 are fixed to form a base for supporting the small prism 1.
S3: the shaft 11 of the small prism 1 is inserted coaxially into the sleeve 2, i.e. the sleeve 2 is coaxial with the inserted shaft 11.
Further, the sleeve 2 is a circular truncated cone, and the bottom end thereof is glued to the inner wall of the nut attachment base 3 in step S2.
Further, in step S3, there is a 0.5mm gap between the mirror stem 11 and the top opening of the sleeve 2, and the 0.5mm gap can facilitate bubble centering of the small prism while the nut connecting base 3 matches the bolt to be centered.
In one embodiment, the nut connection base 3 is a long nut, and in step S2, the upper portion of the long nut is used for installing the sleeve 2; in step S3, the lower portion of the long nut is used to matingly attach the bolt to be centered.
In another embodiment, the nut attachment base 3 is composed of one main nut 31 and more than one auxiliary nut 32. In step S2, the main nut 31 is used to install the sleeve 2; in step S3, one or more auxiliary nuts 32 are used to matingly attach the bolts to be centered.
The bolt centering device of this application, simple structure, the preparation is convenient, can make the shaping with nut connection base, sleeve pipe and little prism, and little prism 1 reflection is waited to look for the top of bolt face center, and the coordinate measurement work of bolt can high-efficiently be accomplished to collocation total powerstation, and measurement of efficiency is high, and economic benefits is good.
The application discloses a coordinate measuring method using the bolt centering device, which comprises the following steps: screwing the bolt centering device 100 on a bolt to be centered;
and erecting the total station at a known coordinate point, reflecting light emitted by the total station by the small prism 1 of the bolt centering device 100, and reading out the coordinate of the bolt to be centered.
Furthermore, the sleeve 2 is a circular truncated cone tube, the bottom end of the sleeve is glued to the inner wall of the nut connecting base 3, and the top end of the sleeve bears the mirror body 12 of the small prism 1; a gap of 0.5mm is arranged between the mirror rod 11 and the top opening of the sleeve 2, so that fine adjustment of bubble centering is facilitated. After the bolt centering device 100 is screwed onto the bolt to be centered, the small prism 1 is finely adjusted and the air bubble on the small prism is centered.
In contrast, the traditional measurement method needs to manually hold the prism, the tip of the prism rod of the prism is abutted against the center of the top end face of the bolt to be centered, the bubble of the prism is always kept centered, the measurement is complex, workers are needed in the whole process, and a large amount of manpower is wasted; according to the coordinate measuring method, the bolt centering device is screwed to the bolt to be centered, the measurement of the coordinate of the bolt to be centered can be completed by matching with the total station, and the coordinate measuring efficiency is greatly improved.
In the description of the present application, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present application. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
It is noted that, in the present application, relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above description is merely exemplary of the present application and is presented to enable those skilled in the art to understand and practice the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A bolt centering device, comprising:
the lower part of the nut connecting base (3) is matched with the screw thread of the bolt to be centered;
a sleeve (2) which is inserted into the upper part of the nut connecting base (3) and the axis of which coincides with the axis of the nut connecting base (3);
and the lens rod (11) of the small prism (1) is coaxially inserted into the sleeve (2).
2. A bolt centering device as claimed in claim 1, wherein: the sleeve (2) is a circular truncated cone tube, the bottom end of the sleeve is glued on the inner wall of the nut connecting base (3), and the top end of the sleeve bears the lens body (12) of the small prism (1).
3. A bolt centering device as claimed in claim 1, wherein: the nut connecting base (3) is a long nut or consists of a main nut (31) and more than one auxiliary nut (32).
4. An assembling method of the bolt centering device according to claim 1, comprising the steps of:
s1: determining the diameter of the bolt to be centered, and finding a nut connecting base (3) matched with the diameter;
s2: mounting a sleeve (2) to a nut connection base (3), wherein the axis of the sleeve (2) is coincident with the axis of the nut connection base (3);
s3: the shaft (11) of the small prism (1) is inserted coaxially into the sleeve (2).
5. The method for assembling the bolt centering device according to claim 4, wherein: the sleeve (2) is a circular truncated cone tube, and in step S2, the bottom end of the sleeve is glued to the inner wall of the nut connection base (3).
6. The method for assembling the bolt centering device according to claim 5, wherein: in step S3, a gap of 0.5mm is provided between the mirror rod (11) and the top opening of the sleeve (2).
7. The method for assembling the bolt centering device according to claim 4, wherein: the nut connection base (3) is a long nut, the upper portion of the long nut is used for installing the sleeve (2), and the lower portion of the long nut is used for being connected with a bolt to be found in a matched mode.
8. The method for assembling the bolt centering device according to claim 4, wherein: the nut connection base (3) is composed of a main nut (31) and more than one auxiliary nut (32), the main nut (31) is used for installing the sleeve (2), and the more than one auxiliary nut (32) is used for being matched and connected with a bolt to be centered.
9. A coordinate measuring method using the bolt centering device of claim 1, comprising the steps of:
screwing the bolt centering device (100) onto a bolt to be centered;
and erecting a total station at a known coordinate point, reflecting light emitted by the total station by a small prism (1) of the bolt centering device (100), and reading out the coordinate of the bolt to be centered.
10. The coordinate measurement method of claim 9, wherein: the sleeve (2) is a circular truncated cone tube, the bottom end of the sleeve is glued to the inner wall of the nut connecting base (3), and the top end of the sleeve bears the lens body (12) of the small prism (1); a gap of 0.5mm is formed between the mirror rod (11) and the top opening of the sleeve (2);
after the bolt centering device (100) is screwed on the bolt to be centered, the small prism (1) is finely adjusted and the air bubble on the small prism is centered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011557553.9A CN112797959A (en) | 2020-12-25 | 2020-12-25 | Bolt centering device, assembling method and coordinate measuring method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011557553.9A CN112797959A (en) | 2020-12-25 | 2020-12-25 | Bolt centering device, assembling method and coordinate measuring method |
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| Publication Number | Publication Date |
|---|---|
| CN112797959A true CN112797959A (en) | 2021-05-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011557553.9A Pending CN112797959A (en) | 2020-12-25 | 2020-12-25 | Bolt centering device, assembling method and coordinate measuring method |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101788292A (en) * | 2010-01-25 | 2010-07-28 | 中铁十五局集团有限公司 | Measuring and centering device |
| CN205775672U (en) * | 2016-05-25 | 2016-12-07 | 鞍钢集团工程技术有限公司 | A kind of mirror lever apparatus measuring railroad rail central point |
| CN106500677A (en) * | 2016-11-25 | 2017-03-15 | 中国人民解放军63926部队 | A kind of quick accurate positioning method of bolt |
| CN111705855A (en) * | 2020-07-27 | 2020-09-25 | 东华理工大学 | Detachable portable foundation pit monitoring device |
-
2020
- 2020-12-25 CN CN202011557553.9A patent/CN112797959A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101788292A (en) * | 2010-01-25 | 2010-07-28 | 中铁十五局集团有限公司 | Measuring and centering device |
| CN205775672U (en) * | 2016-05-25 | 2016-12-07 | 鞍钢集团工程技术有限公司 | A kind of mirror lever apparatus measuring railroad rail central point |
| CN106500677A (en) * | 2016-11-25 | 2017-03-15 | 中国人民解放军63926部队 | A kind of quick accurate positioning method of bolt |
| CN111705855A (en) * | 2020-07-27 | 2020-09-25 | 东华理工大学 | Detachable portable foundation pit monitoring device |
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Application publication date: 20210514 |