CN87215250U - Angle measuring instrument for bent pipe - Google Patents

Angle measuring instrument for bent pipe Download PDF

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Publication number
CN87215250U
CN87215250U CN 87215250 CN87215250U CN87215250U CN 87215250 U CN87215250 U CN 87215250U CN 87215250 CN87215250 CN 87215250 CN 87215250 U CN87215250 U CN 87215250U CN 87215250 U CN87215250 U CN 87215250U
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CN
China
Prior art keywords
instrument
measuring instrument
measuring
main
angle
Prior art date
Application number
CN 87215250
Other languages
Chinese (zh)
Inventor
刘星达
Original Assignee
刘星达
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 刘星达 filed Critical 刘星达
Priority to CN 87215250 priority Critical patent/CN87215250U/en
Publication of CN87215250U publication Critical patent/CN87215250U/en

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Abstract

The utility model discloses an angle measuring instrument for bent pipe, comprising a main measuring instrument and an auxiliary measuring instrument which can automatically measure the central axis of the straight pipe section at two ends of a bent pipe. The main measuring instrument is composed of a machine frame, a measuring wheel pair and a surveillance mirror. The auxiliary measuring instrument is composed of a machine frame, a measuring wheel pair and an optical standard star template. The angle measuring instrument for bent pipe of the utility model has the advantages of convenient operation, small size, convenience for carrying and high measuring precision and is suitable for measuring the bent angle of the bent pipe in the various mechanical devices of the industrial departments of the marine vehicle, the electric power, the chemical industry, the petroleum, the boiler, etc.

Description

Angle measuring instrument for bent pipe
The present invention is a kind of bend pipe angular instrument of measuring bend pipe plain bending angle.Be applicable to the measurement of the bend pipe angle in the various plant equipment of industrial sector such as boats and ships, electric power, chemical industry, oil and boiler.
The various plant equipment of departments such as boats and ships, electric power, chemical industry, oil and boiler, pipeline is many, and bend pipe is many, and the plain bending angle to bend pipe in the design has certain requirement.Some pipe diameter is big, curved wall thickness, and the actual measurement difficulty is big, does not still have the accurate way and the instrument and equipment of science at present.
Task of the present invention provides a kind of convenience, practicality, can accurately measure the bend pipe angular instrument of the plain bending angle of bend pipe, produces actual needs to solve.
Principle of the present invention is the two central axis O that the requirement angular instrument can automatically determine bend pipe two end straight lengths 1O 2And O 3O 4(Fig. 1).The angle of cut of this two straight line is the angle of bend of bend pipe.If at two central axis O 1O 2And O 3O 4On find out 2 M respectively 1, M 2, straight line M then 1M 2Angle of cut α with two central axis 1And α 2, itself and α 1+ α 2Promptly be two central axis O 1O 2, O 3O 4The supplementary angle of the angle of cut.Promptly be bend pipe bending machining angle [alpha]=α 1+ α 2The feature of measuring method of the present invention is to make M 1And M 2, and measure α 1And α 2Though some occasion, the straight length of bend pipe and bend pipe two ends is not the plane, does not influence measurement result yet, handles as long as do orthogonal projection.
Technical scheme of the present invention is based on above-mentioned principle, and the bend pipe angular instrument is by determining bend pipe two end straight tube central axis O respectively automatically 1O 2And O 3O 4Main survey instrument and pay a survey instrument and form.The main instrument of surveying is made up of, frame and surveillance mirror measuring wheel.Paying the survey instrument is made up of, frame and foresight bed target measuring wheel.The main measuring wheel of surveying instrument can automatically determine the central axis O of straight tube to, frame, surveillance mirror 1O 2The measuring wheel of paying the survey instrument similarly also can automatically determine the central axis O of straight length to, frame and foresight bed target 3O 4Regulate measuring wheel and just can measure straight line M, surveillance mirror and the position of foresight bed target on the frame top index plate 1M 2And angle of cut α 1And α 2Thereby draw bend pipe bending machining angle [alpha]=α 1+ α 2
Technical scheme of the present invention has realized the invention task, makes the thing that is measured as convenience, practicality of bend pipe angle of bend, the measuring accuracy height.Solved a difficult problem that does not have scientific approach and instrument and equipment for a long time.
Describe the invention technology in detail below in conjunction with accompanying drawing:
Fig. 1 is a principle of the present invention.
Fig. 2 is the structure of the main survey instrument of the present invention.
Fig. 3 is that the present invention pays the structure of surveying instrument.
Fig. 4 is master of the present invention, the upper rack internal tooth index plate of paying the survey instrument.
Fig. 5 is the main instrument actual measurement example of surveying.
Fig. 6 pays survey instrument actual measurement example.
Fig. 7 is the main vertical view of surveying instrument, and the position of surveillance mirror on index plate is described.
Fig. 8 is a vertical view of paying the survey instrument, and the position of foresight bed target on index plate is described.
The main frame (1) of surveying instrument is to be fixed on measuring wheel on the bearing seat (6) of (4), and the upper rack end face is the internal tooth index plate (2) of mesopore, and every minute and second plate (3) is fixed in place, the outer garden of primary mirror seat (11) upper surface.Every minute and second plate zero-bit is aimed at primary mirror seat center line, and overlaps with the collimation axis projection.Primary mirror seat (11) places on the internal tooth upper side.The primary mirror seat is step, and get out of a predicament or an embarrassing situation basal surface and internal tooth upper side are adjacent to, and upper surface and the frame of getting out of a predicament or an embarrassing situation (1) upper surface maintains an equal level (Fig. 2), and the calibration groove is distributed in frame (1) upper surface mesopore outer ring limit Zhou Chu (Fig. 7).Placing surveillance mirror (16) on the topping bar of primary mirror seat (11), surveillance mirror is the cartridge type interior focusing mirror far away of focusing.The projection of collimation axis coincides with primary mirror seat center line, that is internal tooth index plate center line.The projection of collimation axis on the every minute and second plate overlaps (Fig. 7) with the zero-bit groove of every minute and second plate.The internal tooth downside is primary mirror seat base plate (12), surveillance mirror (16), primary mirror seat (11) and the coordinate position of primary mirror seat base plate (12) on internal tooth index plate (2), is to regulate by having the calibration control hand wheel (14) that is installing calibration adjusting gear (13) on bar and the bar.Internal tooth engaged transmission on calibration adjusting gear (13) and the internal tooth index plate.After the position adjustments of surveillance mirror is good,, stationkeeping is got off by locking handwheel (15) locking.The binding of primary mirror seat (11), primary mirror seat base plate (12) and internal tooth index plate is finished by microscope base bottom fastening bolt (25).Surveillance mirror (16) is in the center of primary mirror seat and index plate, the observation center point P 1(17) vertical line, align when this is installation at the center through index plate (2).
It is the same with main survey instrument to pay survey instrument frame (1), also is to be supported by the bearing seat (6) of measuring wheel to (4).Equally, the top of frame (1) also is that the upper side of internal tooth index plate (2) internal tooth of mesopore is primary mirror seat (11), surveys instrument different is to pay survey instrument primary mirror seat central station free rank with main, is planar shaped.Fixing two optics foresight bed targets (20) and (21) on it, the relative position between two foresight bed targets is changeless.Two block targets are parallel, are planopaallel plate.P is on schedule retouched in its two observations 2(24) and P 3(26), contour from primary mirror seat (11) surface.And P is on schedule retouched in two observations 2, P 3(24), the line of (26), aim at the zero-bit center line of primary mirror seat (11) as Observing axis, i.e. the zero line of every minute and second plate (3), and vertical two parallel optics foresight bed targets passes through P 2And P 3Each root horizontal line, be parallel to two groups of wheels to the central planes of (4).These all are that instrument levelling when assembling is finished.Paying optics sight plate (20), (21) position on the internal tooth index plate of survey instrument, also is to be regulated by calibration control hand wheel (14).The axle of handwheel (14) tightens set calibration adjusting gear (13), it with the internal tooth index plate on the internal tooth engaged transmission, behind the position of having aligned optics foresight bed target, lock the fixed position by handwheel (15).
Main survey instrument and pay a survey instrument and two measuring wheels are respectively arranged (4), two take turns to one of for driving wheel right.On the right axle of driving wheel, worm gear (8) and the worm screw (9) that is meshed with worm gear (8) are arranged in the middle part.During handwheel (10) rotation, the engaged transmission of worm screw (9), worm gear (8) drives measuring wheel (4) circumferential trace along straight length is moved.Take turns the strict control of right precision, two take turns parallel and contour.The core wheel of four wheels is on the same surface level.At the side of wheel to the wheel of (4), the switch that is magnetic (7).Magnetic switch (7) is a knob, and its rotation can make wheel produce magnetic or disappearing magnetism, thereby makes can closely recline tested straight tube or leave straight tube of wheel, guarantees measuring accuracy.
Through overregulating, it observes center point P to surveillance mirror (16) when mounted 1Intersection point at frame (1) and internal tooth index plate (2) promptly is the center of the two.The axial fluctuating of surveillance mirror (16) can be regulated by little knob that inclines (19).Focusing knob (18) is used for focusing.
Can regulate the level of frame when needing, design has level (23) on the upper surface of frame (1).When practicing (Fig. 5, Fig. 6).Master, a pair survey instrument are placed respectively on the straight length of bend pipe two ends.If the straight length outside surface is rough, can first polishing clear up, also replaceable measurement point is with worm screw handwheel (10), the traverse measurement wheel makes main, as to pay survey instrument measuring wheel be good tangent the contact to (4) with the straight length of tested bend pipe two ends to (4) to suitable position.So just make M automatically 1(M 2) and the line by two groups of core wheels and points of tangency separately prolong and intersect at O 1, O 2With O 3, O 4O 1O 2With O 3O 4Be the central axis of two straight lengths.
Be fixed in the zero-bit of primary mirror seat (11) every minute and second plate (3) by the main Observing axis of surveying the surveillance mirror (16) of instrument.Pay the optics foresight bed target (20) on survey instrument top, the coordinate cross center P on (21) 2, P 3The point line, as Observing axis to the zero-bit center line that also is in primary mirror seat (11) every minute and second plate (3).Rotation simultaneously is main, the calibration control hand wheel of pair survey instrument, makes P 1P 2P 3Sight alignment has promptly been found out the some M on the straight length central shaft of bend pipe two ends 1With M 2Line.Main, as to pay survey instrument Observing axis anglec of rotation α 1With α 2Be exactly M 1M 2With O 1O 2, M 1M 2With O 3O 4The angle of cut, itself and α 1+ α 2It is exactly bend pipe bending machining angle.Promptly record bend pipe bending machining angle [alpha]=α 1+ α 2
As seen, use angle measuring instrument for bent pipe of the present invention, the measurement of bend pipe angle of bend is very convenient thing, the certainty of measurement height, and accumulated error is little.

Claims (1)

1, a kind of bend pipe angular instrument, test with the optics surveillance mirror, it is characterized in that it is surveyed instrument and paid that the survey instrument is supporting to be formed by main, the main instrument of surveying is made up of (4) frame (1), measuring wheel, paying the survey instrument is made up of (4) and foresight bed target (21), (22) frame (1), measuring wheel, main frame (1) top of surveying instrument, pair survey instrument is the internal tooth index plate (2) of mesopore, the main survey instrument of paying all has two wheels right, two take turns to one of the centre bit of the right wheel shaft of driving wheel be equipped with worm gear (8) and and worm gear (8) engaged worm (9).
CN 87215250 1987-12-28 1987-12-28 Angle measuring instrument for bent pipe CN87215250U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 87215250 CN87215250U (en) 1987-12-28 1987-12-28 Angle measuring instrument for bent pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 87215250 CN87215250U (en) 1987-12-28 1987-12-28 Angle measuring instrument for bent pipe

Publications (1)

Publication Number Publication Date
CN87215250U true CN87215250U (en) 1988-11-16

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 87215250 CN87215250U (en) 1987-12-28 1987-12-28 Angle measuring instrument for bent pipe

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CN (1) CN87215250U (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1037074C (en) * 1991-07-08 1998-01-21 武汉交通科技大学 Computerized resilience and elongation instrument for bent tubes
CN103033264A (en) * 2012-12-11 2013-04-10 杭州师范大学 Multi-angle observing system of aquatic vegetation canopy spectra
CN103063188A (en) * 2013-01-01 2013-04-24 胡竟湘 Method and device of elbow pipe angle detection
CN103817171A (en) * 2013-11-21 2014-05-28 成都发动机(集团)有限公司 Method for measuring angle of bending for die pressing bending forming of sheet metal parts of composite boards
CN110487147A (en) * 2019-08-26 2019-11-22 株洲时代新材料科技股份有限公司 A kind of shaft box spring position of mounting hole metrization detection method and detecting tool

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1037074C (en) * 1991-07-08 1998-01-21 武汉交通科技大学 Computerized resilience and elongation instrument for bent tubes
CN103033264A (en) * 2012-12-11 2013-04-10 杭州师范大学 Multi-angle observing system of aquatic vegetation canopy spectra
CN103033264B (en) * 2012-12-11 2014-11-05 杭州师范大学 Multi-angle observing system of aquatic vegetation canopy spectra
CN103063188A (en) * 2013-01-01 2013-04-24 胡竟湘 Method and device of elbow pipe angle detection
CN103817171A (en) * 2013-11-21 2014-05-28 成都发动机(集团)有限公司 Method for measuring angle of bending for die pressing bending forming of sheet metal parts of composite boards
CN110487147A (en) * 2019-08-26 2019-11-22 株洲时代新材料科技股份有限公司 A kind of shaft box spring position of mounting hole metrization detection method and detecting tool

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