CN104101301A - Close-range photogrammetry drone - Google Patents
Close-range photogrammetry drone Download PDFInfo
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- CN104101301A CN104101301A CN201410391959.2A CN201410391959A CN104101301A CN 104101301 A CN104101301 A CN 104101301A CN 201410391959 A CN201410391959 A CN 201410391959A CN 104101301 A CN104101301 A CN 104101301A
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- target
- close
- sleeve
- drone
- range photogrammetry
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Abstract
The invention relates to a close-range photogrammetry drone. The close-range photogrammetry drone comprises a drone expanding sleeve, a drone taper handle and a cap. The drone expanding sleeve comprises a sleeve seat and a sleeve barrel, the center of one end surface of the sleeve seat is axially provided with a countersink in a penetrating mode, and the inside of the one end of the root of the sleeve tube is axially provided with a columnar cavity, a conical through hole is formed from the bottom center of the columnar cavity to the top end of the sleeve tube in a penetrating mode, and the diameter of the conical through hole tapers up from the root to the top end of the sleeve tube; the drone taper handle is locked and fixed inside the conical through hole through a fastener, and one end surface of the drone taper handle is axially provided with a threaded hole coaxial with the center of the countersink in a penetrating mode; the cap sleeves the top end of the sleeve seat in a matched mode and covers the fastener, and the middle of the outer top surface of the cap is provided with a reflecting mark. The close-range photogrammetry drone is simple and reasonable in structural design, convenient to operate and use, easy to carry, high in practicality and capable of accurately extracting the central three-dimensional coordinate of a bolt hole to be detected and precisely determining the machining deviation of the position of the bolt hole.
Description
Technical field
The present invention relates to Steel Bridge, manufacture of steel structure technical field, relate in particular to a kind of close-range photogrammetry target.
Background technology
The member that Steel Bridge field by using bolt form connects, its drilling precision will directly have influence on into bridge linearity and size, therefore the control of member drilling precision is the key of making in factory, adopt close-range photogrammetry to carry out detecting in member factory, under prior art condition, cannot complete identifying without target numeral of bolt hole, even by the optimization of software systems, realize bolt hole without target recognition, also may be because the low reason of precision, the precision that cannot be applied to bridge steel structure detects.Adopt close-range photogrammetry to coordinate spherical target to carry out the detection of bolt hole position, spherical target adopts dome-type structure, on it, paste light echo reflective sigh, when measurement, operating personnel is attached to hole wall outer rim with hand by spherical target, because adopting drilling machine, bolt hole drills, there is burr in hole wall outer rim, if cleared up not in time, be easy to cause position, detected hole off-centring, spherical target needs operating personnel to be attached on bolt hole with hand simultaneously, affect measuring accuracy, increased again surveying work amount.
Summary of the invention
In order to overcome the above problems, the invention provides a kind of structural design simple, reasonable, easy for operation, easy to carry, practical, can extract accurately bolt hole center to be detected three-dimensional coordinate, accurately judge the close-range photogrammetry target of spiro keyhole position machining deviation.
This practical technical scheme is as follows:
Above-mentioned close-range photogrammetry target, comprises target expansion set, is set in the target taper shank of described target expansion set inside and is installed in the block of described target expansion set one end; Described target expansion set comprises block set and sleeve; Described block set connects and offers counterbore vertically from one end end face middle part; Described sleeve is that its inside, root one end offers cylindricality cavity vertically by outwards straight extending to form of described block set other end end face, and described cylindricality cavity communicates with described counterbore and center is coaxial each other; Also connecting and offer conical through-hole from the top ends of sleeve described in the cavity bottom mediad of described cylindricality cavity, changes from small to big to top gradually from the root of described sleeve in the aperture of described conical through-hole; Described target taper shank is mated and is locked in described conical through-hole by securing member, and it axially connects and offer the threaded hole coaxial with described counterbore center from an end face middle part; Described securing member coupling is connected through described counterbore and with described threaded hole, so that described target taper shank and target expanding cover locking are fixed; Described block coupling is set in the top of described block set and described securing member is covered, and its outer end face middle part is also provided with light echo reflective sigh.
Described close-range photogrammetry target, wherein: described block set entirety is disk-like structure, its one end outer wall offers the first annular step surface along circumference, and other end end face along the circumferential direction offers annular groove; Described annular groove is coaxial and be positioned at the port periphery of described counterbore with described counterbore center.
Described close-range photogrammetry target, wherein: described sleeve root outer wall outer wall offers the second annular table terrace along circumference; The radially table top of described the second annular table terrace and the internal groove side wall of described annular groove are on same straight line.
Described close-range photogrammetry target, wherein: the overall rounded cover body structure of described block, offers from an end face axial assembling cavity that is cylindricality; Described in described assembling cavity, the first annular step surface matches, and described block can mate with being connected of described the first annular step surface the top that is installed in described block set by described assembling cavity.
Described close-range photogrammetry target, wherein: the unitary tapered structure of described target taper shank, the outer wall of its larger one end of external diameter offers stopper slot, and the interior end of described stopper slot, stretches out and is formed with limited block.
Described close-range photogrammetry target, wherein: what described securing member adopted is hexagon socket head cap screw structure, comprises screw rod and the nut of being located at described screw rod one end; Described screw rod is connected through described counterbore and described threaded hole; Described nut coupling is limited in described counterbore, and its middle part, outer face offers interior hexagonal binding groove vertically.
Beneficial effect:
Close-range photogrammetry of the present invention is simple by target structural design, rationally, it is based on close-shot photography measure technique Steel Bridge, steel member spiro keyhole position detection target, between target expansion set and target taper shank, adopt Allen bolt to be connected, target expansion set with block between coordinate and be connected by machinery, the outer top of block is provided with close-range photogrammetry light echo reflective sigh, tighten the acting force of generation by hexagon socket head cap screw between target expansion set and target taper shank, can realize threaded hole hole wall closely connected of target expansion set outer rim and target taper shank, while guaranteeing that member adopts close-range photogrammetry to detect, the accuracy of detection of spiro keyhole position, whole target assembling is simple, convenient and firm, easy for operation, easy to carry, practical, can extract accurately bolt hole center to be detected three-dimensional coordinate, accurately judges spiro keyhole position machining deviation, more accurate evaluation member drilling precision.
Brief description of the drawings
Fig. 1 is the structural representation of close-range photogrammetry of the present invention target;
Fig. 2 is the structural representation of the target expansion set of close-range photogrammetry of the present invention target;
Fig. 3 is the front view of the target taper shank of close-range photogrammetry of the present invention target;
Fig. 4 is the vertical view of the target taper shank of close-range photogrammetry of the present invention target;
Fig. 5 is the front view of the block of close-range photogrammetry of the present invention target;
Fig. 6 is the left view of the block of close-range photogrammetry of the present invention target.
Embodiment
As shown in Figures 1 to 6, close-range photogrammetry target of the present invention, comprises target expansion set 1, target taper shank 2, securing member 3 and block 4.
This target expansion set 1 comprises block set 11 and sleeve 12; These block set 11 entirety are disk-like structure, its one end outer wall offers the first annular step surface 111 along circumference, connect and offer counterbore 112 vertically from one end end face middle part, other end end face along the circumferential direction offers annular groove 113, wherein, this annular groove 113 is coaxial and be positioned at the port periphery of this counterbore 112 with these counterbore 112 centers.
This sleeve 12 is by outwards straight extending to form of these block set 11 other end end faces, its root outer wall offers the second annular table terrace 121 with the outer wall of block set 11 connecting parts along circumference, and the internal groove side wall of the radially table top of this second annular table terrace 121 and the annular groove 113 of this block set 11 is on same straight line; Wherein, the root inside of this sleeve 12 offers cylindricality cavity 122 vertically, this cylindricality cavity 122 communicate with the counterbore 112 of block set 11 and center coaxial; Connecting and offer cross section and be trapezoidal conical through-hole 123 from the top ends of the cavity bottom mediad sleeve 12 of this cylindricality cavity 122, changes from small to big to top gradually from the root of sleeve 12 in the aperture of this conical through-hole 123.
This target taper shank 2 is set in this target expansion set 1 inside and is locked by securing member 3 and target expansion set 1; The unitary tapered structure of this target taper shank 2, is specifically set in the conical through-hole 123 of sleeve 12 of this target expansion set 1; This target taper shank 2 axially connects and offers threaded hole 21 from an end face middle part, the outer wall of its larger one end of external diameter offers stopper slot 22, the interior end of this stopper slot 22, stretches out and is formed with limited block 23, wherein, protruding out to the outer wall of the maximum one end of target taper shank 2 external diameters of this limited block 23, this threaded hole 21 is coaxial with the counterbore 112 center of block set 11.
This securing member 3 is for fastening target expansion set 1 and target taper shank 2, what this securing member 3 adopted is hexagon socket head cap screw structure, comprise screw rod 31 and the nut 32 of being located at these screw rod 31 one end, wherein, this screw rod 31 is connected with the threaded hole 21 of target taper shank 2 through the counterbore 112 of this target expansion set 1; These nut 32 couplings are limited in the counterbore 112 of block set 11 of this target expansion set 1, its middle part, outer face offers interior hexagonal binding groove 321 vertically, in the time that needs are fastening or dismantle target expansion set 1 with target taper shank 2, only need be embedded in the interior rear rotary spanner of interior hexagonal binding groove 321 with handle.
This block 4 is installed in this target expansion set 1 one end, and its overall rounded cover body structure, offers from an end face axial assembling cavity 41 that is cylindricality; This assembling cavity 41 matches with the first annular step surface 111 of this target expansion set 1, and this block 4 can be mated and is installed in block set 11 tops of this target expansion set 1 and the nut of securing member 3 42 outer rings are covered with being connected of the first annular step surface 111 by assembling cavity 41; Wherein, the outer end face middle part of this block 4 is also provided with light echo reflective sigh 42.
Principle of work of the present invention:
First connect at spiro keyhole position to be detected the component that target expansion set 1, target taper shank 2 and securing member 3 form, tighten by spanner target expansion set 1 is connected use securing member 3 with target taper shank 2, drive the target taper shank 2 in target expansion set 1 to produce axial displacement formation acting force, realize threaded hole 21 hole walls closely connected of target expansion set 1 outer rim and target taper shank 2, then block 4 is installed.
Structural design of the present invention is simple, reasonable, and assembling simply, conveniently and firmly, easy for operation, easy to carry, practical, can extract accurately bolt hole center to be detected three-dimensional coordinate, accurately judges spiro keyhole position machining deviation, is suitable for propagation and employment.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (6)
1. a close-range photogrammetry target, is characterized in that: described target comprises target expansion set, is set in the target taper shank of described target expansion set inside and is installed in the block of described target expansion set one end;
Described target expansion set comprises block set and sleeve; Described block set connects and offers counterbore vertically from one end end face middle part; Described sleeve is that its inside, root one end offers cylindricality cavity vertically by outwards straight extending to form of described block set other end end face, and described cylindricality cavity communicates with described counterbore and center is coaxial each other; Also connecting and offer conical through-hole from the top ends of sleeve described in the cavity bottom mediad of described cylindricality cavity, changes from small to big to top gradually from the root of described sleeve in the aperture of described conical through-hole;
Described target taper shank is mated and is locked in described conical through-hole by securing member, and it axially connects and offer the threaded hole coaxial with described counterbore center from an end face middle part;
Described securing member coupling is connected through described counterbore and with described threaded hole, so that described target taper shank and target expanding cover locking are fixed;
Described block coupling is set in the top of described block set and described securing member is covered, and its outer end face middle part is also provided with light echo reflective sigh.
2. the close-range photogrammetry target as described in claim 1, is characterized in that: described block set entirety is disk-like structure, and its one end outer wall offers the first annular step surface along circumference, and other end end face along the circumferential direction offers annular groove; Described annular groove is coaxial and be positioned at the port periphery of described counterbore with described counterbore center.
3. the close-range photogrammetry target as described in claim 2, is characterized in that: described sleeve root outer wall outer wall offers the second annular table terrace along circumference; The radially table top of described the second annular table terrace and the internal groove side wall of described annular groove are on same straight line.
4. the close-range photogrammetry target as described in claim 2, is characterized in that: the overall rounded cover body structure of described block, offers from an end face axial assembling cavity that is cylindricality;
Described in described assembling cavity, the first annular step surface matches, and described block can mate with being connected of described the first annular step surface the top that is installed in described block set by described assembling cavity.
5. the close-range photogrammetry target as described in claim 1, is characterized in that: the unitary tapered structure of described target taper shank, and the outer wall of its larger one end of external diameter offers stopper slot, and the interior end of described stopper slot, stretches out and is formed with limited block.
6. the close-range photogrammetry target as described in claim 1, is characterized in that: what described securing member adopted is hexagon socket head cap screw structure, comprises screw rod and the nut of being located at described screw rod one end;
Described screw rod is connected through described counterbore and described threaded hole; Described nut coupling is limited in described counterbore, and its middle part, outer face offers interior hexagonal binding groove vertically.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410391959.2A CN104101301B (en) | 2014-08-11 | 2014-08-11 | A kind of close-range photogrammetry target |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410391959.2A CN104101301B (en) | 2014-08-11 | 2014-08-11 | A kind of close-range photogrammetry target |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104101301A true CN104101301A (en) | 2014-10-15 |
| CN104101301B CN104101301B (en) | 2016-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410391959.2A Active CN104101301B (en) | 2014-08-11 | 2014-08-11 | A kind of close-range photogrammetry target |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104764415A (en) * | 2014-12-31 | 2015-07-08 | 中铁宝桥集团有限公司 | Steel bridge structure three-dimensional measurement and detection system and measurement method |
| CN106346276B (en) * | 2016-11-11 | 2018-08-24 | 上海第一机床厂有限公司 | The clamping device of porous plate |
| CN110514180A (en) * | 2019-07-18 | 2019-11-29 | 舟山中远海运重工有限公司 | The method restored based on photogrammetric pipe fitting and flange pose |
| CN114812460A (en) * | 2022-03-31 | 2022-07-29 | 东风汽车集团股份有限公司 | Auxiliary measuring device and measuring method for hole positions of vehicle body |
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| JPH07206378A (en) * | 1994-01-21 | 1995-08-08 | Ohbayashi Corp | Position measuring device for bucket |
| CN201615754U (en) * | 2010-01-28 | 2010-10-27 | 中铁宝桥集团有限公司 | Special bolt connected type target base for laser tracking measurer |
| US20110228252A1 (en) * | 2008-11-24 | 2011-09-22 | Commissariat A L'energie Atomique Et Aux Energies Alternatives | Device and method for measuring the position of at least one moving object in a three-dimensional grid |
| CN102288106A (en) * | 2010-06-18 | 2011-12-21 | 合肥工业大学 | Large-space visual tracking six-dimensional measurement system and method |
| CN103162622A (en) * | 2013-02-28 | 2013-06-19 | 西安交通大学 | Monocular vision system, portable ball target used by monocular vision system and measuring method of monocular vision system |
| CN203657743U (en) * | 2014-01-03 | 2014-06-18 | 河南科技大学 | Auxiliary measurement target |
| CN204007510U (en) * | 2014-08-11 | 2014-12-10 | 中铁宝桥集团有限公司 | A kind of close-range photogrammetry target |
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2014
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Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH07206378A (en) * | 1994-01-21 | 1995-08-08 | Ohbayashi Corp | Position measuring device for bucket |
| US20110228252A1 (en) * | 2008-11-24 | 2011-09-22 | Commissariat A L'energie Atomique Et Aux Energies Alternatives | Device and method for measuring the position of at least one moving object in a three-dimensional grid |
| CN201615754U (en) * | 2010-01-28 | 2010-10-27 | 中铁宝桥集团有限公司 | Special bolt connected type target base for laser tracking measurer |
| CN102288106A (en) * | 2010-06-18 | 2011-12-21 | 合肥工业大学 | Large-space visual tracking six-dimensional measurement system and method |
| CN103162622A (en) * | 2013-02-28 | 2013-06-19 | 西安交通大学 | Monocular vision system, portable ball target used by monocular vision system and measuring method of monocular vision system |
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| CN204007510U (en) * | 2014-08-11 | 2014-12-10 | 中铁宝桥集团有限公司 | A kind of close-range photogrammetry target |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104764415A (en) * | 2014-12-31 | 2015-07-08 | 中铁宝桥集团有限公司 | Steel bridge structure three-dimensional measurement and detection system and measurement method |
| CN106346276B (en) * | 2016-11-11 | 2018-08-24 | 上海第一机床厂有限公司 | The clamping device of porous plate |
| CN110514180A (en) * | 2019-07-18 | 2019-11-29 | 舟山中远海运重工有限公司 | The method restored based on photogrammetric pipe fitting and flange pose |
| CN114812460A (en) * | 2022-03-31 | 2022-07-29 | 东风汽车集团股份有限公司 | Auxiliary measuring device and measuring method for hole positions of vehicle body |
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| Publication number | Publication date |
|---|---|
| CN104101301B (en) | 2016-08-03 |
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