CN101464128A - Rotating angle measurement apparatus - Google Patents
Rotating angle measurement apparatus Download PDFInfo
- Publication number
- CN101464128A CN101464128A CNA2009100605605A CN200910060560A CN101464128A CN 101464128 A CN101464128 A CN 101464128A CN A2009100605605 A CNA2009100605605 A CN A2009100605605A CN 200910060560 A CN200910060560 A CN 200910060560A CN 101464128 A CN101464128 A CN 101464128A
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- turning axle
- type connector
- locating cone
- measuring
- flange
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
A device for measuring rotating angles belongs to a device for measuring rotational motion, and solves the problem that large-aperture deep-hole or blind-hole rotating members to be measured are difficult to be mounted and measured by the prior device for measuring the rotating angles. The device comprises a rotating shaft and a measuring flange, wherein, a coniform opening is formed at one end of the rotating shaft, which is fixedly connected with an interfacing flange; a hole type socket connector is mounted on the interfacing flange; a pull claw and a pull rod which are in threaded connection are arranged in the rotating shaft; a digital display screen, an angle sensor, a measuring circuit, a needle type socket connector and a locating cone are mounted on the measuring flange; a pull nail is in threaded connection with the top end of the locating cone which is inserted into the coniform opening of the rotating shaft; and the needle type socket connector is matched with the hole type socket connector. The invention has the advantages the high-precision installation and positioning are realized; and the problem that the large-aperture deep-hole structure to be measured are difficult to be mounted, therefore, the invention is applicable in not only the rotating-angle measurement of deep holes or hermetic cavities, but also the measurement of the relative physical quantity of motion mechanisms such as vibration, swinging and the like.
Description
Technical field
The invention belongs to the measurement mechanism that rotatablely moves, be specifically related to a kind of rotating angle measurement apparatus, be suitable for the rotation angle measurement of the rotary part that is positioned at deep hole or seal chamber.
Background technology
At present, be used to the to rotatablely move device of measurement of angle has: scrambler, rotary transformer and synchrodyne etc.Patent of invention " is measured the devices and methods therefor of the absolute anglec of rotation " and is mentioned in (application number 01141153.8), the kind of drive of this three classes angle measurement unit and mounting means basically identical, being respectively key transmission and screw connects, representational scrambler has Heidenhain ECN223F model angular encoder, TS2640N321E64 model rotary transformer of Japanese TAMAGAWA company etc.Chief editors' such as Yang Jiajun teaching material " Fundamentals of Machine Design " (Wuhan: mention publishing house of the Central China University of Science and Technology 2003) by the 344-349 page or leaf, usually the key kind of drive has two kinds, a kind of is to be matched with common key on rotary part (as the motor) axle by keyway, thereby realizes transmission; Another is to utilize the spline link to realize reliable and stable transmission.Screw connects and promptly is connected by the corresponding mounting hole of screw with proving installation and rotating mechanism, thereby realizes installing and fixing of proving installation.
The advantage of the mode that is in transmission connection that proposes above is: simple in structure, realize that easily reliable and stable, cost is low; But also there is certain shortcoming simultaneously: when rotary part is positioned at deep hole, the device of above-mentioned metering system and the location comparison difficulty that will become, angle measurement does not have demonstration directly perceived yet, needs boring realization connection on tested rotary part, thus because the lower measuring accuracy that has influence on of installation accuracy.Cause the existing mode that is in transmission connection to being positioned at the difficulty that installs and measures of big diameter and deep hole class or the tested rotary part of blind hole class thus.
Summary of the invention
The invention provides a kind of rotating angle measurement apparatus, solve existing rotating angle measurement apparatus being positioned at the problem that installs and measures difficulty of big diameter and deep hole class or the tested rotary part of blind hole class.
A kind of rotating angle measurement apparatus of the present invention comprises turning axle and measures ring flange, it is characterized in that:
Described turning axle is the hollow axis body with shoulder hole, and the one end has location keyway and conical perforate, and affixed with the plain flange dish, and the cellular type connector is housed on the plain flange dish, and the cellular type connector connects the external data harvester by lead; Turning axle stage casing shoulder hole is built-in with pulling claw, penetrates pull bar in the turning axle other end shoulder hole, and pull bar one end is threaded with pulling claw, and the pull bar other end is with spring and spacing by nut;
On the described measurement ring flange digital display screen, angular transducer and metering circuit, pin type connector and locating cone are housed, digital display screen, angular transducer and metering circuit are connected with pin type connector electric signal; Measure the affixed locating cone of flange disk center, its tapering mates with the tapering of the conical perforate of described turning axle, and the top of locating cone and blind rivet are by being threaded;
Locating cone on the described measurement ring flange inserts the conical perforate of described turning axle, and positioning key is housed on the locating cone, with the conical tapping keyway coupling of turning axle; Described pin type connector and described cellular type connector coupling.
Described rotating angle measurement apparatus, it is further characterized in that:
Described pulling claw is made up of pintongs sheet jaw, groups of springs and connecting link three parts, and the end that connecting link embeds pintongs sheet jaw constitutes the tongue core, and the junction of connecting link and pintongs sheet jaw is affixed by the circumferential banding of groups of springs.
During apparatus of the present invention work, externally under the effect of power driving part (pneumatic or Hydraulic Elements), power direction is for applying level driving force left along the pull bar axis direction to nut and keeping, it is parallel mobile toward the left side that nut drives pull bar, thereby spring is compressed, and simultaneously pulling claw moves to the left side is parallel, when pulling claw moves to the aperture when closing up the aperture greater than it, pulling claw opens, and can insert measuring ring flange.
Measure in the ring flange insertion process, the conical perforate of locating cone and turning axle realizes the ground floor location, the coupling of the pilot hole in guide finger in the pin type connector and the cellular type connector realizes second layer location, after confirming preceding two-layer accurate location, key on the locating cone realizes that with the keyway on the ring flange the 3rd layer docks the location, after confirming to dock successfully, the contact pin of the pin type connector of coupling and the jack of cellular type connector are realized last one deck location, and whole docking operation is finished.
When slow unloading imposes on the external force of nut, by the restoring action of spring, drive the pulling claw level and move to right, pulling claw is firmly grasped blind rivet, thereby has realized the location to the high precision and the high stability of testing apparatus.
The present invention can be by installing circumferentially fixing turning axle of bearing and bearing seat under user mode, and turning axle links to each other with tested rotary part by gear or belt, realizes the 360 ° measurements of tested rotary part along axis.During tested rotary part setting in motion, the variation of angular transducer and metering circuit perception angle, measurement result can be directly reflected on the digital display tube, form that can also storage card (as SD card, CF card etc.) is preserved measurement data for a long time, the back that finishes to be measured is taken out and is analyzed, or by the cooperating of pin type connector and cellular type connector, be delivered to outside the rotating mechanism with the form of lead, be used for data processing or control.
The present invention has realized high-precision installing and locating, solved large aperture deep hole class by the installation difficulty of geodesic structure, not only can be applied to the rotation angle measurement of deep hole or airtight cavity, also can be used for vibrating, swing and the measurement of other motion related physical quantity.
Description of drawings
Fig. 1: profile synoptic diagram of the present invention;
Fig. 2: cut-open view of the present invention;
Fig. 3: exploded sketch of the present invention;
Fig. 4: pin type connector synoptic diagram;
Fig. 5: cellular type connector synoptic diagram;
Fig. 6: the open configuration synoptic diagram of pulling claw;
Fig. 7: the impaction state synoptic diagram of pulling claw.
Embodiment
As shown in Figure 1 and Figure 2, the present invention includes turning axle 1 and measure ring flange 2, turning axle 1 is for having the hollow axis body of shoulder hole, the one end has location keyway and conical perforate 15, and it is affixed with plain flange dish 7, cellular type connector 6 is housed on the plain flange dish 7, and cellular type connector 6 connects the external data harvester by lead; Turning axle 1 stage casing shoulder hole is built-in with pulling claw 11, penetrates pull bar 10 in turning axle 1 other end shoulder hole, and pull bar 10 1 ends are threaded with pulling claw 11, and the pull bar other end is with spring 9 and spacing by nut 8;
Measure on the ring flange 2 digital display screen 3, angular transducer and metering circuit 4, pin type connector 5, locating cone 14 and blind rivet 12 are housed, digital display screen 3, angular transducer and metering circuit 4 are connected with pin type connector 5 electric signal; Measure the affixed locating cone 14 in ring flange 2 centers, its tapering mates with the tapering of the conical perforate 15 of described turning axle, and the top of locating cone 14 and blind rivet 12 are by being threaded;
The locating cone of measuring on the ring flange 2 14 inserts turning axle 1 conical perforate 15, on the locating cone 14 positioning key is housed, with the conical 15 tapping keyways coupling of turning axle; Pin type connector 5 and cellular type connector 6 couplings.
As shown in Figure 3, during assembling, at first, with the fastening elimination tolerance clearance of measuring in ring flange 2 and the turning axle 1 of each parts, with the precision that guarantees to measure; It is affixed with locating cone 14 usefulness bolts wherein to measure ring flange 2; Orientational cone-shaped surface 14 tops and blind rivet 12 screw threads are affixed; Turning axle 1 is affixed with plain flange dish 7 usefulness bolts; Pulling claw 11 is installed in the turning axle shoulder hole, and is terminal affixed with pull bar 10 screw threads; Pull bar 10 1 ends cooperate with spring 9 and strain, and the other end and nut 8 screw threads are affixed
As shown in Figure 4, pin type connector 5 is made up of dielectric moldings 5-1, contact pin 5-2 and guide positioning pin 5-3 three parts; As shown in Figure 5, cellular type connector 6 is made up of dielectric moldings 6-1, jack 6-2 and pilot hole 6-3 three parts.The jack of two connectors and contact pin quantity can be determined according to the demand of actual test signal in good time.
As shown in Figure 6 and Figure 7, pulling claw 11 is made up of pintongs sheet jaw 11-1, groups of springs 11-2 and connecting link 11-3 three parts, the end that connecting link 11-3 embeds pintongs sheet jaw 11-1 constitutes the tongue core, and the junction of connecting link 11-3 and pintongs sheet jaw 11-1 is affixed by the circumferential banding of groups of springs; The effect of tongue core is equivalent to the fulcrum of lever, is arranging 11 two kinds of different states of pulling claw: open configuration and tension.As shown in Figure 6, when jaw 11-1 was not stressed, the circumferential banding jaw 11-1 and the connecting link 11-1 of spring, tongue core withstood jaw 11-1 and keep open configuration; As shown in Figure 7, when jaw 11-1 is stressed, the front end of jaw 11-1 with the tongue core be fulcrum to axial-movement, tail end circumferential tension groups of springs 11-2 outwards moves, and after the front end of jaw 11-1 closes up, finishes the action of closing up of pulling claw 11.
During test, the concrete sequence of movement of the present invention is as follows:
One, by power driving part (pneumatic or Hydraulic Elements, power direction is along the pull bar axis direction) apply level power and maintenance left for nut 8, nut 8 is given pull bar 10 by being threaded with transmission of power, it is parallel mobile toward the left side to drive pull bar 10, thereby spring 9 is compressed, and pulling claw 11 is parallel move toward the left side also, when pulling claw 11 moves to the aperture when closing up the aperture greater than it, groups of springs 11-2 in pulling claw 11 structures flicks, thereby realizes the action of opening of pulling claw 11.
Two, locating cone 14 is realized the ground floor location with the conical perforate 15 of turning axle, guide finger 5-3 in Pi Pei the pin type connector 5 and the pilot hole 6-3 in the cellular type connector 6 realize second layer location then, after confirming preceding two-layer accurate location, key on the locating cone realizes that with the keyway on the ring flange the 3rd layer docks the location, after confirming to dock successfully, contact pin 5-2 in the pin type connector 5 of coupling and the jack 6-2 in the cellular type connector 6 realize last one deck location, and whole docking operation is finished.
Three, slowly unload the power that power driving part is given nut 8, because the restoring action of spring 9, drive pulling claw 11 moves to right toward levels, thereby realizes the promptly action of 11 pairs of blind rivets 10 of pulling claw.These three actions have realized the location to the high precision and the high stability of testing apparatus fully.
Can be by circumferentially fixing turning axle 1 of bearing and bearing seat to be installed, turning axle links to each other with tested rotary part by gear or belt, in order to the 360 ° measurements of realization turning axle 1 along axis.
Claims (2)
1. a rotating angle measurement apparatus comprises turning axle (1) and measures ring flange (2), it is characterized in that:
Described turning axle (1) is for having the hollow axis body of shoulder hole, the one end has location keyway and conical perforate (15), and affixed with plain flange dish (7), cellular type connector (6) is housed on the plain flange dish (7), cellular type connector (6) connects the external data harvester by lead; Turning axle (1) stage casing shoulder hole is built-in with pulling claw (11), penetrates pull bar (10) in turning axle (1) other end shoulder hole, and pull bar (10) one ends are threaded with pulling claw (11), and the pull bar other end is with spring (9) and spacing by nut (8);
Digital display screen (3), angular transducer and metering circuit (4), pin type connector (5) and locating cone (14) are housed on the described measurement ring flange (2), and digital display screen (3), angular transducer and metering circuit (4) are connected with pin type connector (5) electric signal; Measure the affixed locating cone in ring flange (2) center (14), its tapering mates with the tapering of the conical perforate of described turning axle (15), and the top of locating cone (14) and blind rivet (12) are by being threaded;
Locating cone (14) on the described measurement ring flange (2) inserts the conical perforate of described turning axle (1) (15), and locating cone is equipped with positioning key on (14), mates with turning axle taper shape (15) tapping keyway; Described pin type connector (5) and described cellular type connector (6) coupling.
2. rotating angle measurement apparatus as claimed in claim 1 is characterized in that:
Described pulling claw is made up of pintongs sheet jaw, groups of springs and connecting link three parts, and the end that connecting link embeds pintongs sheet jaw constitutes the tongue core, and the junction of connecting link and pintongs sheet jaw is affixed by the circumferential banding of groups of springs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100605605A CN101464128B (en) | 2009-01-16 | 2009-01-16 | Rotating angle measurement apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100605605A CN101464128B (en) | 2009-01-16 | 2009-01-16 | Rotating angle measurement apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101464128A true CN101464128A (en) | 2009-06-24 |
| CN101464128B CN101464128B (en) | 2010-08-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100605605A Expired - Fee Related CN101464128B (en) | 2009-01-16 | 2009-01-16 | Rotating angle measurement apparatus |
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| CN (1) | CN101464128B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101799285A (en) * | 2010-03-12 | 2010-08-11 | 清华大学 | Computer auxiliary measuring method of connecting node corners of steel frame beam column |
| CN112881040A (en) * | 2021-01-08 | 2021-06-01 | 林紫薇 | Dynamic load test device for detecting rotation direction of lifting frame |
| CN114322886A (en) * | 2022-01-10 | 2022-04-12 | 深圳市中图仪器股份有限公司 | Attitude probe with multiple sensors |
| CN116275186A (en) * | 2023-02-28 | 2023-06-23 | 苏州市烨赫精密冲压有限公司 | Multi-angle punching device for automobile instrument board pipe beam assembly |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5162798A (en) * | 1991-06-17 | 1992-11-10 | Pacific Scientific Company | Resolver to digital converter |
| CN2132153Y (en) * | 1992-03-15 | 1993-05-05 | 朱兴方 | Sensor with digital display device |
| KR100390315B1 (en) * | 2000-12-30 | 2003-07-07 | 삼성탈레스 주식회사 | Apparatus for measuring absolute angle and method thereof |
| CN201340260Y (en) * | 2009-01-16 | 2009-11-04 | 华中科技大学 | Rotation angle measuring device |
-
2009
- 2009-01-16 CN CN2009100605605A patent/CN101464128B/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101799285A (en) * | 2010-03-12 | 2010-08-11 | 清华大学 | Computer auxiliary measuring method of connecting node corners of steel frame beam column |
| CN112881040A (en) * | 2021-01-08 | 2021-06-01 | 林紫薇 | Dynamic load test device for detecting rotation direction of lifting frame |
| CN114322886A (en) * | 2022-01-10 | 2022-04-12 | 深圳市中图仪器股份有限公司 | Attitude probe with multiple sensors |
| CN114322886B (en) * | 2022-01-10 | 2024-03-22 | 深圳市中图仪器股份有限公司 | Attitude probe with multiple sensors |
| CN116275186A (en) * | 2023-02-28 | 2023-06-23 | 苏州市烨赫精密冲压有限公司 | Multi-angle punching device for automobile instrument board pipe beam assembly |
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| Publication number | Publication date |
|---|---|
| CN101464128B (en) | 2010-08-04 |
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Granted publication date: 20100804 Termination date: 20150116 |
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