CN202938788U - Double-sensor combined constant-value comparison measuring head - Google Patents
Double-sensor combined constant-value comparison measuring head Download PDFInfo
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- CN202938788U CN202938788U CN 201220652718 CN201220652718U CN202938788U CN 202938788 U CN202938788 U CN 202938788U CN 201220652718 CN201220652718 CN 201220652718 CN 201220652718 U CN201220652718 U CN 201220652718U CN 202938788 U CN202938788 U CN 202938788U
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Abstract
The utility model discloses a double-sensor combined constant-value comparison measuring head which comprises a measuring head frame, wherein a mobile frame, a measuring device and a connecting part are arranged on the measuring head frame. A first screw and a first adjusting key match with each other and are used for adjusting left-right poses of emergent rays of two laser displacement sensors; a second adjusting key, a second screw, a fourth adjusting key and a fourth screw are used for adjusting up-down poses of the emergent rays of the two laser displacement sensors; and inner sizes of different-sized work pieces can be measured by adjusting the position of the mobile frame on the measuring head frame, and non-contact measurement and on-machine measurement are realized. The measuring head adopts a data processing and display module and is powered by a battery, can be conveniently installed on a main shaft of a machine tool and can be used to realize dynamic automatic measurement and manual measurement simultaneously.
Description
Technical field
The utility model relates to large-scale workpiece inside dimension measurement mechanism, relates in particular to relatively gauge head of a kind of dual sensor combination definite value.
Background technology
Along with the manufacturing development of Large-Scale Equipment, Design of Industrial Product and manufacturing technology are constantly reformed, the dimensional measurement of industry spot large-scale workpiece presents gradually that measurement environment complexity, measuring object are various, the characteristics of measuring process robotization and measurement function synthesization, and traditional measuring system can't satisfy the requirement of growing industry spot large-scale workpiece dimensional measurement.Simultaneously, for the dimensional measurement of large-scale workpiece, the requirement that inside dimensions such as the square groove in steam turbine, generator unit and macropore is measured is also more and more higher.
Precision measurement for large-scale workpiece mainly contains following instrument:
1) transit survey, two-frequency laser interferometer measurement, tracker measurement and articulated type coordinate machine etc. are more typically arranged.Above measurement mostly is the measurement outside dimension, and the inside dimension of workpiece is measured very inconvenience.
2) also have some small-sized survey instruments, such as: the measurement of dial gauge measurement, micrometer inside caliper measurement and vernier caliper etc., these all belong to contact type measurement, not only surface of the work and survey instrument there is damage, and need artificial guiding, be subjected to the subjective factors such as artificial experience and mood to affect larger.
3) also have some large scale inside diameter measurement systems to reach very high relative accuracy, but for the on-machine measurement demand, also inconvenience is adopted.
The utility model content
The utility model provides relatively gauge head of a kind of dual sensor combination definite value, has realized contactless and on-machine measurement, and the inside dimension of workpiece is measured; See for details hereinafter and describe:
A kind of dual sensor combination definite value is gauge head relatively, comprising: head-measuring rack, be provided with movable stand, measurement mechanism and link on described head-measuring rack, and it is characterized in that,
Described head-measuring rack comprises: U-shaped groove, and a side of described U-shaped groove is provided with 4 the first adjusting keys, and opposite side is provided with 2 the first adjusting keys; Also be provided with 18 the first screws on described U-shaped groove, wherein 6 described the first screws and 6 described the first adjusting keys cooperatively interact, and are used for the pose of the left and right directions of two laser displacement sensor emerging rays of adjusting; Another 12 described the first screws are used for fixing described movable stand; The bottom surface of described U-shaped groove is provided with 4 the second adjusting keys and 4 the second screws that cooperatively interact;
Described link comprises: the inverted U groove that is fixedly connected with described head-measuring rack; Described inverted U groove is connected with web member by cylindrical rod, is provided with the 3rd screw of regulating angle between described web member and described inverted U groove on described web member, the central shaft that described cylindrical rod is regulated as described angle; Also be provided with 2 the 4th adjusting keys and 2 the 4th screws of cooperatively interacting on described inverted U groove, described the second adjusting key, described the second screw, described the 4th adjusting key and described the 4th screw are for the pose of the above-below direction of regulating described two laser displacement sensor emerging rays;
Described measurement mechanism comprises: be arranged on described two laser displacement sensors on described movable stand, the data that are arranged on described head-measuring rack are processed and display module, described laser displacement sensor gathers displacement data, and transfer to that data are processed and display module, described data are processed and display module is processed described displacement data, with the data transmission after processing and demonstration.
Described measurement mechanism also comprises: be arranged on the battery on described head-measuring rack.Described battery is lithium battery.
Described data are processed and display module also comprises: radio receiving transmitting module, described radio receiving transmitting module transfers to the external control device with described displacement data.
The beneficial effect of the technical scheme that the utility model provides is:
1) safe: contact measurement General Requirements operating personnel will be positioned at and measure near the operation of key element, reading or guiding, and this has just limited the possibility of automatic measurement.What adopt based on the dual sensor of laser displacement sensor combination definite value comparison gauge head is that the noncontact definite value compares and measures, and non-contact measuring head is away from measured surface, and therefore this automatic or semi-automatic process has safe enough.
2) accuracy of detection is high: this gauge head adopts high precision laser displacement sensor, can measure accurately fast measured object to the distance of sensor, adopt comparative measurement method, compare by measured parameter and certain standard volume, can realize large-sized high-acruracy survey.
3) dynamic auto measurement and manual measurement coexist: measure portion is processed by high-precision laser displacement sensor, radio receiving transmitting module, battery and data and display module forms, not only can manual measurement, the measurement result that directly observed data is processed and display module draws, and gauge head can be arranged on lathe, by radio receiving transmitting module with data transfer to computing machine, complete dynamic auto measurement.
4) applied widely: this gauge head not only can be completed the inside dimension of shaft hole series workpiece axis hole and measure and two interplanar spacings measurements, can realize the measurement of different pore size and Different Plane spacing by design laser displacement sensor apparatus for adjusting position.
5) physical construction is simple: this gauge head only arrives the component combinations such as laser displacement sensor, battery, data processing and display module together by head-measuring rack simple in structure, and is easy to use, simple.
Description of drawings
Fig. 1 is the relatively structural representation of gauge head of definite value;
Fig. 2 is the relatively schematic internal view of gauge head of definite value;
The structural representation of Fig. 3 link;
Fig. 4 a is relatively gauge head front view of definite value;
Fig. 4 b is that a definite value comparison gauge head left side is looked and partly cutd open figure.
In accompanying drawing, the list of parts of each label representative is as follows:
1: head-measuring rack; 2: movable stand;
3: measurement mechanism; 4: link;
11:U type groove; 12: the first adjusting keys;
13: the first screws; 14: the second adjusting keys;
15: the second screws; 31: laser displacement sensor;
32: data are processed and display module; 33: battery;
34: radio receiving transmitting module; 41: the inverted U groove;
42: cylindrical rod; 43: web member;
44: the three screws; 45: the four adjusting keys;
46: the four screws.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, the below is described in further detail the utility model embodiment.
In order to realize contactless and on-machine measurement, and the inside dimension of workpiece is measured, the utility model embodiment has proposed relatively gauge head of a kind of dual sensor combination definite value, referring to Fig. 1, Fig. 2, Fig. 3, Fig. 4 a and Fig. 4 b, this dual sensor combination definite value comparison gauge head comprises: head-measuring rack 1, be provided with movable stand 2, measurement mechanism 3 and link 4 on head-measuring rack 1
Head-measuring rack 1 comprises: U-shaped groove 11, a side of U-shaped groove 11 are provided with 4 the first adjusting keys 12, and opposite side is provided with 2 the first adjusting keys 12; Also be provided with 18 the first screws 13 on U-shaped groove 11, wherein 6 the first screws 13 and 6 the first adjusting keys 12 cooperatively interact, and are used for the pose of the left and right directions of two laser displacement sensor 31 emerging rays of adjusting; Another 12 the first screws 13 are used for fixedly movable stand 2; The bottom surface of U-shaped groove 11 is provided with 4 the second adjusting keys 14 and 4 the second screws 15 that cooperatively interact;
Link 4 comprises: the inverted U groove 41 that is fixedly connected with head-measuring rack 1; Inverted U groove 41 is connected with web member 43 by cylindrical rod 42, is provided with the 3rd screw 44 of angle between adjusting connector 43 and inverted U groove 41 on web member 43, the central shaft that cylindrical rod 42 is regulated as angle; Also be provided with the pose that 2 the 4th adjusting keys 45 cooperatively interacting and 2 the 4th screw 46, the second adjusting keys 14, the second screw 15, the 4th adjusting key 45 and the 4th screws 46 are used for regulating the above-below direction of two laser displacement sensor 31 emerging rays on inverted U groove 41;
Complete the measurement of large-scale workpiece inside dimension by the acting in conjunction that cooperatively interacts between device in above-mentioned gauge head.During practical application, can measure the inside dimension of the workpiece of different size by adjusting the position of movable stand 2 on head-measuring rack 1 and measure.
In order to facilitate the power supply of the processing of laser displacement sensor 31 and data and display module 32, this measurement mechanism also comprises: be arranged on the battery 33 on head-measuring rack 1, be preferably lithium battery.
In order to facilitate the data transmission of data processing and display module 32, these data are processed and display module 32 also comprises: radio receiving transmitting module 34.When dynamic auto measurement, data processing and display module 32 gather the displacement data of laser displacement sensors 31, and be sent to the external control device by radio receiving transmitting module 34, simultaneously when manual measurement, data processing and display module 32 be the data of processes sensor directly, by with original bulk (by with standard length gained relatively) addition, obtain measurement result, and the display measurement result.Laser displacement sensor 31, battery 33 and radio receiving transmitting module 34 form a cover wireless system, can be easily installed in and realize kinetic measurement on lathe.
Wherein, the external control device is selected according to the needs in practical application, and during specific implementation, the utility model embodiment does not limit this.
The principle of work of this gauge head is: the utility model adopts laser displacement sensor 31 to carry out non-cpntact measurement.Measure with respect to traditional dial bore gage, this gauge head does not need the people for guiding, and processes and display module 32 can directly be known the internal diameter of workpiece for measurement by data.This gauge head only by head-measuring rack simple in structure 1, laser displacement sensor 31, data is processed and the component combinations such as display module 32 and power supply 33 arrive together, and is easy to use, simple.The fixed part of laser displacement sensor 31 is movable stand 2, regulates the inside dimension that the workpiece of different size can be measured in the position of movable stand 2 on head-measuring rack 1.Gauge head adopts data to process and display module 32 and battery 33 power supplies, can easily gauge head be arranged on the main shaft of lathe, can realize simultaneously dynamic auto measurement and manual measurement.Be combined with comparing and measuring method by gauge head, can realize fast the measurement of inside dimension.
It will be appreciated by those skilled in the art that accompanying drawing is the schematic diagram of a preferred embodiment, above-mentioned the utility model embodiment sequence number does not represent the quality of embodiment just to description.
The above is only preferred embodiment of the present utility model, and is in order to limit the utility model, not all within spirit of the present utility model and principle, any modification of doing, is equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (4)
1. a dual sensor combination definite value compares gauge head, comprising: head-measuring rack, be provided with movable stand, measurement mechanism and link on described head-measuring rack, and it is characterized in that,
Described head-measuring rack comprises: U-shaped groove, and a side of described U-shaped groove is provided with 4 the first adjusting keys, and opposite side is provided with 2 the first adjusting keys; Also be provided with 18 the first screws on described U-shaped groove, wherein 6 described the first screws and 6 described the first adjusting keys cooperatively interact, and are used for the pose of the left and right directions of two laser displacement sensor emerging rays of adjusting; Another 12 described the first screws are used for fixing described movable stand; The bottom surface of described U-shaped groove is provided with 4 the second adjusting keys and 4 the second screws that cooperatively interact;
Described link comprises: the inverted U groove that is fixedly connected with described head-measuring rack; Described inverted U groove is connected with web member by cylindrical rod, is provided with the 3rd screw of regulating angle between described web member and described inverted U groove on described web member, the central shaft that described cylindrical rod is regulated as described angle; Also be provided with 2 the 4th adjusting keys and 2 the 4th screws of cooperatively interacting on described inverted U groove, described the second adjusting key, described the second screw, described the 4th adjusting key and described the 4th screw are for the pose of the above-below direction of regulating described two laser displacement sensor emerging rays;
Described measurement mechanism comprises: be arranged on described two laser displacement sensors on described movable stand, the data that are arranged on described head-measuring rack are processed and display module, described laser displacement sensor gathers displacement data, and transfer to described data and process and display module, described data are processed and display module is processed described displacement data, and the displacement data after processing is transmitted and shows.
2. a kind of dual sensor combination definite value according to claim 1 compares gauge head, it is characterized in that, described measurement mechanism also comprises: be arranged on the battery on described head-measuring rack.
3. a kind of dual sensor combination definite value according to claim 2 compares gauge head, it is characterized in that, described battery is lithium battery.
4. a kind of dual sensor combination definite value according to claim 1 compares gauge head, it is characterized in that, described data are processed and display module also comprises: radio receiving transmitting module;
Described radio receiving transmitting module transfers to the external control device with described displacement data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220652718 CN202938788U (en) | 2012-11-29 | 2012-11-29 | Double-sensor combined constant-value comparison measuring head |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220652718 CN202938788U (en) | 2012-11-29 | 2012-11-29 | Double-sensor combined constant-value comparison measuring head |
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| CN202938788U true CN202938788U (en) | 2013-05-15 |
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| CN 201220652718 Expired - Fee Related CN202938788U (en) | 2012-11-29 | 2012-11-29 | Double-sensor combined constant-value comparison measuring head |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103512544A (en) * | 2013-10-10 | 2014-01-15 | 东方电气集团东方电机有限公司 | Groove symmetry degree measuring device and measuring method |
| CN111060010A (en) * | 2019-12-16 | 2020-04-24 | 天津大学 | Parallel plane parameter on-machine measurement system and measurement method |
| CN112304267A (en) * | 2020-10-27 | 2021-02-02 | 深圳市勤丽华铖科技有限公司 | Assembling precision adjusting method of high-precision double-measuring-head measuring block comparator |
-
2012
- 2012-11-29 CN CN 201220652718 patent/CN202938788U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103512544A (en) * | 2013-10-10 | 2014-01-15 | 东方电气集团东方电机有限公司 | Groove symmetry degree measuring device and measuring method |
| CN103512544B (en) * | 2013-10-10 | 2016-06-01 | 东方电气集团东方电机有限公司 | Groove symmetry degree measuring apparatus and measuring method |
| CN111060010A (en) * | 2019-12-16 | 2020-04-24 | 天津大学 | Parallel plane parameter on-machine measurement system and measurement method |
| CN112304267A (en) * | 2020-10-27 | 2021-02-02 | 深圳市勤丽华铖科技有限公司 | Assembling precision adjusting method of high-precision double-measuring-head measuring block comparator |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130515 Termination date: 20171129 |