CN203286944U - Tool for measuring center of circle - Google Patents

Tool for measuring center of circle Download PDF

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Publication number
CN203286944U
CN203286944U CN2013202932694U CN201320293269U CN203286944U CN 203286944 U CN203286944 U CN 203286944U CN 2013202932694 U CN2013202932694 U CN 2013202932694U CN 201320293269 U CN201320293269 U CN 201320293269U CN 203286944 U CN203286944 U CN 203286944U
Authority
CN
China
Prior art keywords
rod
center
hinged
circle
linkage assembly
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN2013202932694U
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Chinese (zh)
Inventor
卢军国
黄磊
张理燕
孙建志
张文杰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHANGHAI WAIGAOQIAO SHIPBUILDING OCEAN ENGINEERING Co Ltd
Shanghai Waigaoqiao Shipbuilding Co Ltd
Original Assignee
SHANGHAI WAIGAOQIAO SHIPBUILDING OCEAN ENGINEERING Co Ltd
Shanghai Waigaoqiao Shipbuilding Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SHANGHAI WAIGAOQIAO SHIPBUILDING OCEAN ENGINEERING Co Ltd, Shanghai Waigaoqiao Shipbuilding Co Ltd filed Critical SHANGHAI WAIGAOQIAO SHIPBUILDING OCEAN ENGINEERING Co Ltd
Priority to CN2013202932694U priority Critical patent/CN203286944U/en
Application granted granted Critical
Publication of CN203286944U publication Critical patent/CN203286944U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

Provided in the utility model is a tool for measuring a center of a circle. The tool comprises: a scissors type connecting rod mechanism, which can be stretched and drawn back; a target mechanism, which is arranged at the center of the scissors type connecting rod mechanism and is used for cooperation with a total station for positioning; and four abutting elements, which are used for being abutting against a to-be-measured pipe fitting and are respectively arranged at positions, relatively symmetrical to the center of the scissors type connecting rod mechanism, of four connecting rods around the scissors type connecting rod mechanism. The provided measuring tool has the advantages of simple structure and convenient usage; the speed of measurement of the center of a circle of a pipe fitting can be substantially improved; and accuracy of measurement of the center of the circle of the pipe fitting can be effectively ensured.

Description

Center of circle survey instrument
Technical field
The utility model is particularly related to a kind of center of circle survey instrument.
Background technology
Traditional pipe fitting center of circle measurement and positioning mode is to measure three points by total powerstation in the pipe fitting flange outer rim, and then calculate the coordinate position in the pipe fitting center of circle by the spatial relation of point coordinate, measure inconvenient, and after needing repeatedly to measure again to data analysis, calculating, expend time in longer, data precision can't ensure.Especially in the industries such as shipbuilding, traditional pipe fitting center of circle measurement and positioning mode can't meet the pipe fitting that will lift and carry out the demand of assembling fast, and, because precision can't guarantee, more can affect the accuracy of assembling, and assembling brings very large difficulty to pipe fitting.
The utility model content
The technical problems to be solved in the utility model is to grow and the not high defect of precision for the measurement in the pipe fitting center of circle is inconvenient, consuming time in order to overcome in prior art, and a kind of center of circle survey instrument is provided.
The utility model is to solve above-mentioned technical matters by following technical proposals:
A kind of center of circle survey instrument, its characteristics be, it comprises: a scissor linkage assembly that can stretch and shrink; One is located at the target mechanism at the center of described scissor linkage assembly, is used for coordinating total powerstation to position; Four supporters that are used for being resisted against on pipe fitting to be measured, described supporter are located at respectively on four connecting rods of described scissor linkage assembly surrounding, with respect to the centrosymmetric position of described scissor linkage assembly.
Preferably, described scissor linkage assembly comprises at least three " X " shape linkage units that are connected successively.
Preferably, described scissor linkage assembly comprises at least one " X " shape linkage unit, and described " X " shape linkage unit both sides connect respectively one " V " shape linkage unit.
Preferably, the vertical setting in plane at described supporter and described scissor linkage assembly place, each described supporter includes be used to a cylindrical section that is resisted against diverse location place on pipe fitting to be measured and a rounded ends.
Preferably, described target mechanism comprises that a target and is fixed in the web member of described scissor linkage assembly, and described target is movably connected on described web member.
Preferably, described web member comprises a support, and described support is fixed in described scissor linkage assembly by a minor axis, is provided with a major axis between two ends of described support, described target and described major axis pivot joint.Like this can be so that target always can rotate to a suitable angle to be reflected from the next laser of total powerstation emission, laser parallel or the too small situation of laser incident angle of avoiding contingent target and total powerstation emission.
preferably, described scissor linkage assembly comprises some connecting rods equal in length, wherein, the center of the center of one first connecting rod and a second connecting rod is hinged, one end of described first connecting rod and an end of a third connecting rod are hinged, one end of one end of described second connecting rod and one the 4th connecting rod is hinged, the center of the center of described third connecting rod and described the 4th connecting rod is hinged, one end of the other end of described first connecting rod and one the 5th connecting rod is hinged, one end of the other end of described second connecting rod and one the 6th connecting rod is hinged, the center of the center of described the 5th connecting rod and described the 6th connecting rod is hinged.
preferably, described scissor linkage assembly comprises some connecting rods, wherein, the center of the center of one first connecting rod and a second connecting rod is hinged, one end of described first connecting rod and an end of a third connecting rod are hinged, one end of one end of described second connecting rod and one the 4th connecting rod is hinged, the other end of the other end of described third connecting rod and described the 4th connecting rod is hinged, one end of the other end of described first connecting rod and one the 5th connecting rod is hinged, one end of the other end of described second connecting rod and one the 6th connecting rod is hinged, the other end of the other end of described the 5th connecting rod and described the 6th connecting rod is hinged.
Positive progressive effect of the present utility model is: the center of circle measurement mechanism that the utility model provides is simple in structure, easy to use, can greatly improve the speed that the pipe fitting center of circle is measured, and can effectively guarantee the accuracy that the pipe fitting center of circle is measured.
Description of drawings
Fig. 1 is a planar structure schematic diagram of the center of circle survey instrument in the utility model embodiment 1.
Fig. 2 is the schematic diagram of the rod hinge connection mode in the utility model embodiment 1 and 2.
Fig. 3 is another planar structure schematic diagram of the center of circle survey instrument in the utility model embodiment 1.
Fig. 4 is a planar structure schematic diagram of the center of circle survey instrument in the utility model embodiment 2.
Embodiment
Below lift two preferred embodiments, and carry out by reference to the accompanying drawings the clearer the utility model that intactly illustrates.
Embodiment 1
In shipbuilding industry, generally all adopt total powerstation the pipe fitting of needs docking assembling to be carried out space orientation, the laser of total powerstation by aiming at target target center Emission Lasers and from target, obtaining reflecting, thereby the locus of definite target target center loca.And this center of circle survey instrument coordinates total powerstation to use just, helps the locus in the pipe fitting to be measured center of circle, total powerstation location.
this center of circle survey instrument comprises a centrosymmetric scissor linkage assembly, as shown in Figure 1, this scissor linkage assembly comprises the connecting rod that the six roots of sensation is equal in length, wherein, one first connecting rod 11De center and a second connecting rod 12De center are hinged, one end of one end of first connecting rod 11 and a third connecting rod 13 is hinged, one end of one end of second connecting rod 12 and one the 4th connecting rod 14 is hinged, third connecting rod 13De center and the 4th connecting rod 14De center are hinged, one end of the other end of first connecting rod 11 and one the 5th connecting rod 15 is hinged, one end of the other end of second connecting rod 12 and one the 6th connecting rod 16 is hinged, the 5th connecting rod 15De center and the 6th connecting rod 16De center are hinged.Can realize stretching and the contraction of this scissor linkage assembly with respect to its center by said structure.As shown in Figure 2, concrete hinge method is, one connecting rod has a round boss 2 in hinged place, another connecting rod has a through hole 3 in hinged place, a rear connecting rod is set on the round boss 2 of last connecting rod by its through hole 3, screw into this round boss 2 by a screw 4 again, make two rod hinge connections together.
As shown in Figure 3, be provided with a target mechanism 5 at the center of this scissor linkage assembly, this target mechanism 5 coordinates total powerstation to get location ready.Particularly, target mechanism 5 comprises that a target 51 and is fixed in the web member 6 of scissor linkage assembly.This web member 6 comprises the support 61 of a frame shape, and this support 61 is by the affixed minor axis 62 of nut, and this minor axis 62 is fixed on a connecting rod of scissor linkage assembly by nut again.In fact, when hinged this first connecting rod 11 and second connecting rod 12, that only screw need be done is longer a little, can screw into this minor axis 62, just can realize the affixed of minor axis 62 and scissor linkage assembly.Be provided with a major axis 63 between two ends of the support 61 of this frame shape, target 51 and these major axis 63 pivot joints.Target 51 just can rotate around major axis 63 like this, reflect from the next laser of total powerstation emission laser parallel or the too small situation of laser incident angle of avoiding contingent target 51 and total powerstation emission thereby make target 51 always can rotate to a suitable angle.
As shown in Figure 3, on third connecting rod to the six connecting rods of scissor linkage assembly, with respect to the centrosymmetric position of scissor linkage assembly, be respectively arranged with four supporters 7, be used for being resisted against pipe fitting to be measured.Particularly, the vertical setting in plane at this supporter 7 and this scissor linkage assembly place, each supporter 7 includes be used to a cylindrical section 71 that is resisted against diverse location place on pipe fitting to be measured and a rounded ends 72.Supporter 7 is that the screw thread by its end directly is screwed on circular hole on connecting rod.Cylindrical section 71 makes supporter can be resisted against the diverse location place of pipe fitting to be measured with the design of rounded ends 72.For example, rounded ends 72 can be resisted against on the inner and outer wall of pipe fitting, and cylindrical section 71 can be resisted against on the flange of pipe fitting end.Make like this this center of circle survey instrument use convenient.
Embodiment 2
Remaining arranges all the same, just slightly different arranging of scissor linkage assembly with in embodiment 1 the present embodiment.as shown in Figure 4, in the present embodiment, scissor linkage assembly comprises six roots of sensation connecting rod, wherein, one first connecting rod 81De center and a second connecting rod 82De center are hinged, one end of one end of first connecting rod 81 and a third connecting rod 83 is hinged, one end of one end of second connecting rod 82 and one the 4th connecting rod 84 is hinged, the other end of the other end of third connecting rod 83 and the 4th connecting rod 84 is hinged, one end of the other end of first connecting rod 81 and one the 5th connecting rod 85 is hinged, one end of the other end of second connecting rod 82 and one the 6th connecting rod 86 is hinged, the other end of the other end of the 5th connecting rod 85 and the 6th connecting rod 86 is hinged.
Certainly, it will be appreciated by those skilled in the art that scissor linkage assembly need not to be confined to comprise six roots of sensation connecting rod, also can comprise more connecting rod.And the articulated manner between connecting rod also need not to be confined to described in embodiment 1 like that.
Although more than described embodiment of the present utility model, it will be understood by those of skill in the art that these only illustrate, protection domain of the present utility model is limited by appended claims.Those skilled in the art under the prerequisite that does not deviate from principle of the present utility model and essence, can make various changes or modifications to these embodiments, but these changes and modification all fall into protection domain of the present utility model.

Claims (8)

1. a center of circle survey instrument, is characterized in that, it comprises:
The one scissor linkage assembly that can stretch and shrink;
One is located at the target mechanism at the center of described scissor linkage assembly, is used for coordinating total powerstation to position;
Four supporters that are used for being resisted against on pipe fitting to be measured, described supporter are located at respectively on four connecting rods of described scissor linkage assembly surrounding, with respect to the centrosymmetric position of described scissor linkage assembly.
2. the center of circle as claimed in claim 1 survey instrument, is characterized in that, described scissor linkage assembly comprises at least three " X " shape linkage units that are connected successively.
3. the center of circle as claimed in claim 1 survey instrument, is characterized in that, described scissor linkage assembly comprises at least one " X " shape linkage unit, and described " X " shape linkage unit both sides connect respectively one " V " shape linkage unit.
4. the center of circle as claimed in claim 1 survey instrument, it is characterized in that, the vertical setting in plane at described supporter and described scissor linkage assembly place, each described supporter includes be used to a cylindrical section that is resisted against diverse location place on pipe fitting to be measured and a rounded ends.
5. the center of circle as claimed in claim 1 survey instrument, is characterized in that, described target mechanism comprises that a target and is fixed in the web member of described scissor linkage assembly, and described target is movably connected on described web member.
6. the center of circle as claimed in claim 5 survey instrument, it is characterized in that, described web member comprises a support, and described support is fixed in described scissor linkage assembly by a minor axis, be provided with a major axis between two ends of described support, described target and described major axis pivot joint.
7. the center of circle as claimed in claim 1 survey instrument, it is characterized in that, described scissor linkage assembly comprises some connecting rods equal in length, wherein, the center of the center of one first connecting rod and a second connecting rod is hinged, one end of described first connecting rod and an end of a third connecting rod are hinged, one end of one end of described second connecting rod and one the 4th connecting rod is hinged, the center of the center of described third connecting rod and described the 4th connecting rod is hinged, one end of the other end of described first connecting rod and one the 5th connecting rod is hinged, one end of the other end of described second connecting rod and one the 6th connecting rod is hinged, the center of the center of described the 5th connecting rod and described the 6th connecting rod is hinged.
8. the center of circle as claimed in claim 1 survey instrument, it is characterized in that, described scissor linkage assembly comprises some connecting rods, wherein, the center of the center of one first connecting rod and a second connecting rod is hinged, one end of described first connecting rod and an end of a third connecting rod are hinged, one end of one end of described second connecting rod and one the 4th connecting rod is hinged, the other end of the other end of described third connecting rod and described the 4th connecting rod is hinged, one end of the other end of described first connecting rod and one the 5th connecting rod is hinged, one end of the other end of described second connecting rod and one the 6th connecting rod is hinged, the other end of the other end of described the 5th connecting rod and described the 6th connecting rod is hinged.
CN2013202932694U 2013-05-24 2013-05-24 Tool for measuring center of circle Expired - Fee Related CN203286944U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2013202932694U CN203286944U (en) 2013-05-24 2013-05-24 Tool for measuring center of circle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2013202932694U CN203286944U (en) 2013-05-24 2013-05-24 Tool for measuring center of circle

Publications (1)

Publication Number Publication Date
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104359369A (en) * 2014-11-21 2015-02-18 中船黄埔文冲船舶有限公司 Ship fitting-out pipe center locating device
CN106736077A (en) * 2016-12-28 2017-05-31 武汉武船重型装备工程有限责任公司 Steel pipe post flange coordinate location device and its localization method
CN107860378A (en) * 2017-06-30 2018-03-30 沪东中华造船(集团)有限公司 A kind of Portable hidden Pipe installing deviation judges auxiliary mould and its application method

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104359369A (en) * 2014-11-21 2015-02-18 中船黄埔文冲船舶有限公司 Ship fitting-out pipe center locating device
CN106736077A (en) * 2016-12-28 2017-05-31 武汉武船重型装备工程有限责任公司 Steel pipe post flange coordinate location device and its localization method
CN106736077B (en) * 2016-12-28 2019-02-26 武汉武船重型装备工程有限责任公司 Steel pipe post interface flange coordinate location device and its localization method
CN107860378A (en) * 2017-06-30 2018-03-30 沪东中华造船(集团)有限公司 A kind of Portable hidden Pipe installing deviation judges auxiliary mould and its application method

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Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20131113

Termination date: 20160524