CN201903339U - Inner diameter multi-parameter measuring device for large length-diameter ratio pipe fitting - Google Patents

Inner diameter multi-parameter measuring device for large length-diameter ratio pipe fitting Download PDF

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Publication number
CN201903339U
CN201903339U CN2010206221791U CN201020622179U CN201903339U CN 201903339 U CN201903339 U CN 201903339U CN 2010206221791 U CN2010206221791 U CN 2010206221791U CN 201020622179 U CN201020622179 U CN 201020622179U CN 201903339 U CN201903339 U CN 201903339U
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CN
China
Prior art keywords
pipe fitting
measuring
guide rail
support
sensor
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Expired - Fee Related
Application number
CN2010206221791U
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Chinese (zh)
Inventor
于连栋
叶藤
杜二宝
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.)
Hefei Liheng Hydraulic System Co., Ltd.
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董志良
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Priority to CN2010206221791U priority Critical patent/CN201903339U/en
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Publication of CN201903339U publication Critical patent/CN201903339U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses an inner diameter multi-parameter measuring device for a large length-diameter ratio pipe fitting, which comprises a measuring platform and is characterized in that a clamping mechanism and a measuring mechanism for the pipe fitting are arranged at two ends of the measuring platform respectively, the measuring mechanism comprises a guide rail arranged at one end of the measuring platform, a lead screw driven by a motor is arranged in the guide rail horizontally, a slider capable of horizontally sliding along the guide rail driven by the lead screw is arranged on the guide rail in a matched mode, a clamping rod extending into the clamping mechanism detachably connected onto the slider, a sensor is arranged at the end of the clamping rod, the pipe fitting is fixedly clamped horizontally by the clamping mechanism, and an axis of the pipe fitting is perpendicular to an axis of the sensor. The inner diameter, circularity and straightness of the pipe fitting can be measured simultaneously by the device, and a sensor probe can reach and measure optional sections within a measuring space without a measuring dead point.

Description

Big L/D ratio pipe fitting internal diameter multiparameter measuring device
Technical field:
The utility model relates to a kind of pipe part inner diameter measuring device, relates in particular to a kind of big L/D ratio pipe fitting internal diameter multiparameter measuring device.
Background technology:
The measurement of hole type parts parameter is a great problem in the length metering always.Compare with axial workpiece, even under same size, the parameters of hole type parts is all much lower.Before the Numeric Control Technology widespread use, main because the restriction of processing conditions, along with improving constantly of Machining Technology, the machining precision of hole type parts has improved greatly, but because the measuring appliance activity space is restricted, the precision measurement technical development of hole type parts is slow, becomes the bottleneck that restriction needs the industry development of precision pair, as aerospace hydraulic pump, Hydraulic Power Transmission System, hydraulic valve etc.The measuring instrument of the measurement internal diameter that present factory is commonly used has: the vernier caliper of band inner measuring jaw, the vernier caliper of band circular arc measuring jaw, three-way contact micrometer inside caliper, single lever-type micrometer inside caliper, dial bore gage, inside dial indicator, internal calliper etc.In these measuring instruments: the vernier caliper measurement degree of depth is superficial, can only the measured hole notch portion, and slide calliper rule itself do not meet abbe ' s principle; The single lever-type micrometer inside caliper is measured diameter by the length of regulating self, and minimum measurement aperture is 25mm, and measurement range is subjected to the measured workpiece size restrictions, and the degree of depth can not be used in the time can't saving with hand adjustment; Dial bore gage and inside dial indicator, three-way contact micrometer inside caliper have extension rod, can measure the internal diameter of putting than deep-seated, need zeroing before measurement, also need detection person's manual adjustments in the measuring process, just can obtain diameter.Generally speaking, these measurers are simple in structure, with low cost, be easy to carry, but all need checker's manual adjustments, and sense data is had relatively high expectations to checker's experience level, and automatization level is very low, can not be used for dynamic continuous detecting.
Summary of the invention:
For overcoming the defective of prior art, the purpose of this utility model is to provide a kind of big L/D ratio pipe fitting internal diameter multiparameter measuring device, and it is higher than conventional gauges, automaticity height on precision, low cost of manufacture, convenient to operation and can apply to the workshop.
The utility model technical solution problem adopts following technical scheme:
Big L/D ratio pipe fitting internal diameter multiparameter measuring device is provided with measuring table, and the clamping device and the measuring mechanism of pipe fitting is set respectively at the two ends of described measuring table;
Measuring mechanism comprises: the guide rail that is arranged in described measuring table one end, level is provided with by motor-driven leading screw in described guide rail, and on guide rail coupling be provided with by described leading screw drive can be along the slide block of guide rail horizontal slip, be connected with the supporting rod that extends to place, described clamping device place on the described slide block removably, and be provided with sensor in the end of supporting rod;
Described pipe fitting is by the clamping of described clamping device horizontal fixed, and the axis normal of the axis of pipe fitting and described sensor.
Design feature of the present utility model also is:
Described clamping device comprises: first support of close described measuring mechanism one end reaches second support away from described measuring mechanism one end, described second support is provided with the end to described pipe fitting and forms the top of fixed support, described first support is provided with four and grabs chuck, described four claws of grabbing chuck form with the other end to described pipe fitting and grip, and also are provided with the gatherer that described sensor can be introduced its inner chamber along the axis of tested pipe fitting on first support.
Compared with the prior art, the beneficial effects of the utility model are embodied in:
1, the utility model measuring accuracy height.Four sensor resolutions are 0.2 μ m, linear error is 0.2%, full scale is ± 0.5mm, overall precision is all than the detecting sensor precision height of present use, supporting rod can the fine motion adjustment, the axis that can guarantee the axis of sensor and tested pipe fitting endoporus is vertical mutually, has eliminated because the deadweight bending of supporting rod causes the variation of sensing station.
2, the utility model automaticity height can significantly improve detection efficiency.Provide power with motor, drive leading screw drive slide block and reciprocatingly slide, and then drive the endoporus of sensor turnover pipe fitting, replace checker's manual operation; With the output signal of data collecting card pick-up transducers, computing machine calculates the data of gathering, and generates inspection record.
3, the utility model can be measured a plurality of parameters simultaneously.Can provide internal diameter, circularity, the linearity of measured pipe fitting simultaneously.And the arbitrary section that transducer probe assembly can arrive in the measurement space is measured, and does not measure the dead point.
Description of drawings:
Fig. 1 is the structural representation of the clamping device of the utility model measurement mechanism; Fig. 2 is the structural representation of the measuring mechanism of the utility model measurement mechanism; Fig. 3 is an one-piece construction synoptic diagram of the present utility model.
Number in the figure: 1 platform, 2 guide rails, 3 leading screws, 4 slide blocks, 5 supporting rods, 6 sensors, 7 motors, 8 first supports, 9 second supports, 10 is top, 11 four-jaw chucks, 12 gatherers, 13 clamping devices, 14 measuring mechanisms, 15 pipe fittings.
Below pass through embodiment, and the utility model is described in further detail in conjunction with the accompanying drawings.
Embodiment:
Embodiment: in conjunction with Fig. 3, the measurement mechanism of present embodiment, be suitable for measuring the multiparameters such as internal diameter, circularity, linearity of big L/D ratio pipe fitting, this measurement mechanism comprises: a smooth measuring table 1 is provided with the clamping device 13 and measuring mechanism 14 of pipe fitting respectively at the two ends of measuring table 1.
Referring to Fig. 2, measuring mechanism 14 comprises: the guide rail 2 that is arranged in measuring table one end, be provided with leading screw 3 in the guide rail inner horizontal, leading screw 3 is driven by motor 7 and horizontally rotates, and on guide rail 2, being provided with slide block 4 with its coupling, slide block is driven and can be reciprocatingly slided along the guide rail level by leading screw 3, is connected with the supporting rod 5 that extends to place, clamping device 13 places on slide block removably, and be provided with four sensors 6, the axis of sensor and supporting rod axis normal in the end of supporting rod 5.
Described pipe fitting 15 is by clamping device 13 horizontal fixed clampings, and the axis normal of the axis of pipe fitting and described sensor.
Described clamping device comprises: second support 9 that first support 8 of close measuring mechanism 14 1 ends reaches away from measuring mechanism one end, second support is provided with the end to pipe fitting 15 and forms top 10 of fixed support, first support is provided with four and grabs chuck 11, described four claws of grabbing chuck form with the other end to described pipe fitting 15 and grip, and also are provided with the gatherer 12 that described sensor can be introduced its inner chamber along the axis of tested pipe fitting on first support.
Referring to Fig. 4, in the process of implement measuring, measuring mechanism and clamping device are placed on the measuring table 1, and four-jaw chuck 11, top 10 and sensor clamping bar 5 centers on same straight line.Distance between first support 8 and second support 9 can be regulated according to the length of tested pipe fitting, satisfies the measurement requirement of different length product.The measurement range of whole device is by the active length decision of leading screw 3, and maximum measurement range is the leading screw active length of twice, when the active length above a times, tested pipe fitting tune can be measured.

Claims (2)

1. big L/D ratio pipe fitting internal diameter multiparameter measuring device is characterized in that being provided with measuring table (1), and the clamping device (13) and measuring mechanism (14) of pipe fitting is set respectively at the two ends of described measuring table;
Described measuring mechanism comprises: the guide rail (2) that is arranged in described measuring table one end, level is provided with the leading screw (3) that is driven by handwheel (7) in described guide rail, and on guide rail coupling be provided with by described leading screw drive can be along the slide block (4) of guide rail horizontal slip, be connected with the supporting rod (5) that extends to place, described clamping device place on the described slide block removably, and be provided with sensor (6) in the end of supporting rod;
Described pipe fitting (15) is by described clamping device (13) horizontal fixed clamping, and the axis normal of the axis of pipe fitting and described sensor (6).
2. big L/D ratio pipe fitting internal diameter multiparameter measuring device according to claim 1, it is characterized in that described clamping device (14) comprising: first support (8) of close described measuring mechanism one end reaches second support (9) away from described measuring mechanism one end, described second support is provided with an end of described pipe fitting is formed top (10) of fixed support, described first support is provided with four and grabs chuck (11), described four claws of grabbing chuck form with the other end to described pipe fitting and grip, and also are provided with the gatherer (12) that described sensor (6) can be introduced its inner chamber along the axis of tested pipe fitting on first support.
CN2010206221791U 2010-11-24 2010-11-24 Inner diameter multi-parameter measuring device for large length-diameter ratio pipe fitting Expired - Fee Related CN201903339U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010206221791U CN201903339U (en) 2010-11-24 2010-11-24 Inner diameter multi-parameter measuring device for large length-diameter ratio pipe fitting

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010206221791U CN201903339U (en) 2010-11-24 2010-11-24 Inner diameter multi-parameter measuring device for large length-diameter ratio pipe fitting

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102032861A (en) * 2010-11-24 2011-04-27 董志良 Inner diameter multiparameter measuring device for large length-to-diameter ratio pipe and measuring method thereof
CN105115418A (en) * 2015-07-17 2015-12-02 中国航空工业集团公司北京航空精密机械研究所 Elongated hole inner wall measurement sensor support device
CN106403770A (en) * 2016-08-22 2017-02-15 内蒙古第机械集团有限公司 Deep-pipe inner wall coating thickness measuring device
CN116124057A (en) * 2023-04-13 2023-05-16 陕西深孔智越科技有限公司 Direct-drive type deep hole machining detection device and measurement method
CN116222345A (en) * 2023-05-08 2023-06-06 陕西深孔智越科技有限公司 High-precision intelligent deep hole detection device and detection method

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102032861A (en) * 2010-11-24 2011-04-27 董志良 Inner diameter multiparameter measuring device for large length-to-diameter ratio pipe and measuring method thereof
CN105115418A (en) * 2015-07-17 2015-12-02 中国航空工业集团公司北京航空精密机械研究所 Elongated hole inner wall measurement sensor support device
CN105115418B (en) * 2015-07-17 2017-11-10 中国航空工业集团公司北京航空精密机械研究所 A kind of elongated hole inwall measurement sensor support meanss
CN106403770A (en) * 2016-08-22 2017-02-15 内蒙古第机械集团有限公司 Deep-pipe inner wall coating thickness measuring device
CN106403770B (en) * 2016-08-22 2019-11-01 内蒙古第一机械集团有限公司 Deep inside pipe wall overburden cover measuring device
CN116124057A (en) * 2023-04-13 2023-05-16 陕西深孔智越科技有限公司 Direct-drive type deep hole machining detection device and measurement method
CN116222345A (en) * 2023-05-08 2023-06-06 陕西深孔智越科技有限公司 High-precision intelligent deep hole detection device and detection method
CN116222345B (en) * 2023-05-08 2023-11-21 陕西深孔智越科技有限公司 High-precision intelligent deep hole detection device and detection method

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C14 Grant of patent or utility model
GR01 Patent grant
ASS Succession or assignment of patent right

Owner name: HEFEI LIHENG HYDRAULIC SYSTEM CO., LTD.

Free format text: FORMER OWNER: DONG ZHILIANG

Effective date: 20120201

C41 Transfer of patent application or patent right or utility model
COR Change of bibliographic data

Free format text: CORRECT: ADDRESS; FROM: 230031 HEFEI, ANHUI PROVINCE TO: 230088 HEFEI, ANHUI PROVINCE

TR01 Transfer of patent right

Effective date of registration: 20120201

Address after: 230088, Hefei 622, Mount Huangshan Road, Anhui Province Information Industry Park integrated service center room 326

Patentee after: Hefei Liheng Hydraulic System Co., Ltd.

Address before: 202, room 8, 230031 garden, Century Sunshine Garden, Ma On Shan Road, Hefei, Anhui, Jinyang, China

Patentee before: Dong Zhiliang

CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20110720

Termination date: 20171124

CF01 Termination of patent right due to non-payment of annual fee