CN201266071Y - Automatic tracking balancing device of column coordinate measuring machine - Google Patents
Automatic tracking balancing device of column coordinate measuring machine Download PDFInfo
- Publication number
- CN201266071Y CN201266071Y CNU2008203019955U CN200820301995U CN201266071Y CN 201266071 Y CN201266071 Y CN 201266071Y CN U2008203019955 U CNU2008203019955 U CN U2008203019955U CN 200820301995 U CN200820301995 U CN 200820301995U CN 201266071 Y CN201266071 Y CN 201266071Y
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- automatic tracking
- measuring machine
- cylindrical coordinates
- coordinates measuring
- balance device
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Abstract
The utility model discloses an automatic tracking balancing device of a cylindrical coordinate measuring machine, which can improve the work stability and the measurement accuracy of the cylindrical coordinate measuring machine. The automatic tracking balancing device comprises a measuring arm, a pulley which is arranged on the measuring arm and is provided with a measuring head, and an arm frame which is provided with a balance weight body and is composed of a bracket, the measuring arm and the bracket are respectively arranged at two sides of a central positioning mechanism, the pulley body can move along the radial direction of the measuring arm, the bracket is provided with a drive mechanism which is connected with the balance weight body so as to cause the balance weight body to radially move along the bracket, and the pulley body is linked with the drive mechanism so as to cause the arm frame to reach the dynamic moment balance. The utility model adopts the linkage of the pulley body and the drive mechanism to cause the arm frame to reach the dynamic moment balance, and leads the balance weight body to automatically track the displacement of the pulley body, thereby making the arm frame to keep the dynamic moment balance, ensuring the work stability and the measurement accuracy of the measuring machine, and being widely applied to the reconstruction of the prior measuring machine and the manufacture of the measuring machine.
Description
Technical field
The utility model relates to a kind of cylindrical coordinates measuring machine, especially relates to the automatic tracking balance device of cylindrical coordinates measuring machine.
Background technology
The cylindrical coordinates measuring machine is to utilize sensing technology and electronic technology that the cylindrical coordinate object is carried out the digitizing geometric measurement instrument of measurement of coordinates, and it is by measuring X, Y and the C axial coordinate of column body surface, thereby determines the correlation parameter of columnar object.Be mainly used in the manufacturings such as boats and ships, aviation, hydroelectric facility the workpiece with complex space structure and shape being measured, as to measurement of propeller blade pitch etc.
The balance device of cylindrical coordinates measuring machine is an important component part of cylindrical coordinates measuring machine, and its core is the balance of jib, and this plays crucial effects to stability and the measuring accuracy that guarantees measuring machine.The jib of existing cylindrical coordinates measuring machine is made of gage beam and the fixing balance weight body that is arranged on the coaster body that measuring head is installed on the gage beam and be arranged on the support, gage beam is fixedlyed connected with support and is arranged in the center positioning mechanism both sides, and jib is that fulcrum is reached balance with the center positioning mechanism.Measuring machine in use, the coaster body of carrying measuring head is a movable body, promptly radially slides when measuring along directions X and can break this balanced system.That is to say that the balance mode of this fixed weight of existing cylindrical coordinates measuring machine can not real-time follow-up reaches the dynamic balance of jib along with moving of measuring head, so just makes measuring machine be usually operated at nonequilibrium condition.When nonequilibrium condition was worked, center positioning mechanism was born different bending moments and is produced corresponding elastic deformation because of measuring head different working position of living in, thereby has influence on the job stability and the measuring accuracy of mechanism.
The utility model content
Technical problem to be solved in the utility model provides a kind of automatic tracking balance device that improves the cylindrical coordinates measuring machine of job stability and measuring accuracy.
The technical scheme that its technical matters that solves the utility model adopts is: the automatic tracking balance device of this cylindrical coordinates measuring machine, a jib that is configured to that comprises gage beam and be arranged on the coaster body that measuring head is installed on the gage beam and be provided with balance weight body, gage beam and support are arranged in the center positioning mechanism both sides, the coaster body can move radially along gage beam, it is characterized in that: support is provided with gear train, gear train and balance weight body are in transmission connection balance weight body can be moved radially along support, and coaster body and gear train interlock make jib reach the dynamic force moment balance.
Further be, drive unit is provided with the displacement transducer that is electrically connected with controller, and gear train is controlled by controller.
Further be that gear train comprises leading screw and drive the motor that leading screw rotates that motor is controlled by controller.
The beneficial effects of the utility model are: adopt the interlock of coaster body and gear train to make jib reach the mode of dynamic force moment balance, make balance weight body by the displacement of displacement from motion tracking coaster body, thereby make jib keep the dynamic force moment balance, guaranteed the job stability and the measuring accuracy of measuring machine, can be widely used in the manufacturing of the transformation of existing measuring machine and measuring machine.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the structural representation of the utility model holder part.
Be labeled as among the figure: gage beam 1, measuring head 2, coaster body 3, support 4, balance weight body 5, center positioning mechanism 9, gear train 7, controller 8, leading screw 10, motor 11, fixed weight body 12, measured body 13.
X, Y, C represent the coordinate direction of cylindrical coordinates measuring machine among the figure.
Embodiment
Below in conjunction with accompanying drawing the utility model is further specified.
As shown in Figure 1 and Figure 2, the automatic tracking balance device of cylindrical coordinates measuring machine of the present utility model, comprise gage beam 1 and be arranged on the coaster body 3 that measuring head 2 is installed on the gage beam 1 and the jib of the support that is provided with balance weight body 54 formations, gage beam 1 and support 4 are arranged in center positioning mechanism 9 both sides, coaster body 3 can move radially along gage beam 1, and above-mentioned parts are formed identical with existing measuring machine.Different is, support 4 is provided with gear train 7, and gear train 7 is in transmission connection with balance weight body 5 balance weight body 5 can be moved radially along support 4.When coaster body 3 is being with measuring head 2 when directions X promptly moves radially,, balance weight body 5 is moved radially accordingly, thereby make jib reach the dynamic force moment balance by coaster body 3 and gear train 7 interlocks.By coaster body 3 along the directions X of gage beam 1 promptly move radially, the Y direction is that vertical direction moves and jib rotates around the C of center positioning mechanism 9 direction, realizes the measurement of 2 pairs of measured bodies 13 of measuring head.
Adopt the electrical equipment linkage manner, the displacement transducer that is electrically connected with controller 8 can be set between coaster body 3 and gage beam 1, and utilize displacement transducer to obtain the location parameter of coaster body 3 at X axis, calculate the position that balance weight body 5 that the balance of keeping this position need move should arrive by controller 8, and send signal controlling gear train 7 by controller 8 and drive balance weight body 5 and arrive corresponding position, make jib reach the dynamic force moment balance.
Above-mentioned gear train 7 can adopt multiple version to realize, for example hydraulic cylinder gear train, rack and pinion drive mechanism, screw-drive mechanism etc.When adopting screw-drive mechanism, gear train 7 comprises leading screw 10 and drives the motor 11 that leading screw 10 rotates, thereby motor 11 is realized its above-mentioned interlock by controller 8 controls.
For simplified structure and minimizing cost of manufacture, above-mentioned motor 11 adopts stepper motors.The signal controling stepping motor that controller 8 sends rotates, thereby step motor drive leading screw 10 rotates and drives balance weight body 5 and promptly move radially along directions X, make the mobile arrival correct position of its balance weight body 5, realize the dynamic force moment balance of jib from motion tracking coaster body 3.
In order to reduce friction, leading screw 10 preferably adopts ball-screw.
Above-mentioned displacement transducer can adopt linear displacement transducer, angular displacement sensor etc., linear displacement transducer such as magnetic induction sensor, grating sensor, inductosyn sensor, capacitor grid transducer etc., angular displacement sensor such as optical pulse generator, photoelectric encoder etc., these all are prior aries, repeat no more here.
In order further to improve the job stability of cylindrical coordinates measuring machine, can also be provided with fixed weight body 12 on the support 4 in order to balance the part weight on the part gage beam 1, reduce the weight of balance weight body 5, thereby the adverse effect that the inertia impact in the process of minimizing dynamic tracking brings to complete machine, improve the dynamic tracking precision, thereby improve its job stability and measuring accuracy.
In existing cylindrical coordinates measuring machine, coaster body 3 normally promotes to realize by artificial mode along moving radially of gage beam 1.This motion also can adopt mechanically operated mode to realize, promptly between coaster body 3 and gage beam 1 drive unit is set, and coaster body 3 is in transmission connection with drive unit, and drive unit can adopt manual driven also can adopt motor-driven.
Claims (9)
1, the automatic tracking balance device of cylindrical coordinates measuring machine, comprise gage beam (1) and be arranged on the coaster body (3) that measuring head (2) is installed on the gage beam (1) and the jib of the support (4) that is provided with balance weight body (5) formation, gage beam (1) and support (4) are arranged in center positioning mechanism (9) both sides, coaster body (3) can move radially along gage beam (1), it is characterized in that: support (4) is provided with gear train (7), gear train (7) is in transmission connection with balance weight body (5) balance weight body (5) can be moved radially along support (4), and coaster body (3) makes jib reach the dynamic force moment balance with gear train (7) interlock.
2, the automatic tracking balance device of cylindrical coordinates measuring machine as claimed in claim 1, it is characterized in that: be provided with the displacement transducer that is electrically connected with controller (8) between coaster body (3) and the gage beam (1), controller (8) is according to output signal control gear train (7) action of displacement transducer.
3, the automatic tracking balance device of cylindrical coordinates measuring machine as claimed in claim 2 is characterized in that: gear train (7) comprises leading screw (10) and drives the motor (11) that leading screw (10) rotates that motor (11) is controlled by controller (8).
4, the automatic tracking balance device of cylindrical coordinates measuring machine as claimed in claim 3 is characterized in that: motor (11) is a stepper motor.
5, the automatic tracking balance device of cylindrical coordinates measuring machine as claimed in claim 3 is characterized in that: leading screw (10) is a ball-screw.
6, as the automatic tracking balance device of claim 2,3,4 or 5 described cylindrical coordinates measuring machines, it is characterized in that: displacement transducer is a linear displacement transducer.
7, as the automatic tracking balance device of claim 2,3,4 or 5 described cylindrical coordinates measuring machines, it is characterized in that: displacement transducer is an angular displacement sensor.
8, as the automatic tracking balance device of claim 1,2,3,4 or 5 described cylindrical coordinates measuring machines, it is characterized in that: support (4) is provided with fixed weight body (12).
9, as the automatic tracking balance device of claim 1,2,3,4 or 5 described cylindrical coordinates measuring machines, it is characterized in that: be provided with drive unit between coaster body (3) and the gage beam (1), coaster body (3) is in transmission connection with drive unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008203019955U CN201266071Y (en) | 2008-09-01 | 2008-09-01 | Automatic tracking balancing device of column coordinate measuring machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008203019955U CN201266071Y (en) | 2008-09-01 | 2008-09-01 | Automatic tracking balancing device of column coordinate measuring machine |
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| CN201266071Y true CN201266071Y (en) | 2009-07-01 |
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| CNU2008203019955U Expired - Fee Related CN201266071Y (en) | 2008-09-01 | 2008-09-01 | Automatic tracking balancing device of column coordinate measuring machine |
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| CN104990525A (en) * | 2015-08-13 | 2015-10-21 | 爱佩仪中测（成都）精密仪器有限公司 | Polar coordinate measuring device |
| CN104990526A (en) * | 2015-08-13 | 2015-10-21 | 爱佩仪中测（成都）精密仪器有限公司 | Polar coordinate measuring machine with improved chuck part |
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| CN105180859A (en) * | 2015-08-13 | 2015-12-23 | 爱佩仪中测（成都）精密仪器有限公司 | Improved support arm of polar coordinate measuring apparatus |
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| CN105973182A (en) * | 2016-08-02 | 2016-09-28 | 北方民族大学 | Individual drive type balancing device and adjusting method |
| CN106153874A (en) * | 2015-04-23 | 2016-11-23 | 科宝智慧医疗科技（上海）有限公司 | A kind of centrifugal mechanism |
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2008
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| CN103438845A (en) * | 2013-08-26 | 2013-12-11 | 爱佩仪中测（成都）精密仪器有限公司 | Cylindrical coordinate measuring machine |
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| CN104089593A (en) * | 2014-07-22 | 2014-10-08 | 爱佩仪中测（成都）精密仪器有限公司 | Device capable of measuring polar coordinates |
| CN106153874A (en) * | 2015-04-23 | 2016-11-23 | 科宝智慧医疗科技（上海）有限公司 | A kind of centrifugal mechanism |
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| CN104990525A (en) * | 2015-08-13 | 2015-10-21 | 爱佩仪中测（成都）精密仪器有限公司 | Polar coordinate measuring device |
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| CN105973182A (en) * | 2016-08-02 | 2016-09-28 | 北方民族大学 | Individual drive type balancing device and adjusting method |
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