CN102200421A - Method and device for measuring length and thread pitch of propeller paddle of model aeroplane - Google Patents
Method and device for measuring length and thread pitch of propeller paddle of model aeroplane Download PDFInfo
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- CN102200421A CN102200421A CN2010101317519A CN201010131751A CN102200421A CN 102200421 A CN102200421 A CN 102200421A CN 2010101317519 A CN2010101317519 A CN 2010101317519A CN 201010131751 A CN201010131751 A CN 201010131751A CN 102200421 A CN102200421 A CN 102200421A
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Abstract
The invention discloses a method and a device for measuring the length and thread pitch of a propeller paddle of a model aeroplane. The invention is realized by using a substrate and a measuring plate. A circular hole is formed in a surface of the substrate; scales which are used for measuring the length of the paddle are arranged at a side edge along the length direction of the surface; half-moon holes are formed in the surface of the measuring plate; two sliding plates are symmetrically arranged at the half-moon holes on two sides of the measuring plate; the two sliding plates are connected by two bolts; the bolts respectively pass through a positioning groove; through holes are formed in the respective sliding plates; springs are arranged in sliding slots; the springs are connected with the sliding plates; a spotted scale area is arranged on the surface of the measuring plate along the length direction of the surface; the spotted scale area consists of a plurality of scale spots; the plurality of scale spots are distributed in the transverse direction of the measuring plate to form more than two arc lines; and the more than two arc lines are distributed in the longitudinal direction of the measuring plate. By the method, a propeller shaft is fixed and the length of the paddle is measured by the substrate, the thread pitch of the paddle is measured and adjusted by the measuring plate, the accuracy of the thread pitch is improved, and the invention is simple and convenient to operate.
Description
Technical field:
The present invention relates to physical field, relate in particular to measuring technique, the method and apparatus of particularly a kind of measurement model properller blade length and pitch.
Background technology:
The blade of the adjustable pitch propeller of the model of an airplane can change in axially movable distance when rotating a circle.In the prior art, adjust the pitch of adjustable pitch propeller blade, but be difficult to hold the degree of accuracy of pitch according to tradesman's experience.
Summary of the invention:
The object of the present invention is to provide the method for a kind of measurement model properller blade length and pitch, the method for described this measurement model properller blade length and pitch will solve the technical matters that the pitch degree of accuracy is difficult to grasp in the prior art.
The method of this measurement model properller blade length of the present invention and pitch, comprise a step and a step of utilizing survey instrument to measure airscrew pitch of utilizing survey instrument to measure propeller blade length, wherein, described survey instrument has comprised a substrate and a measurement plate, on the plate face of described substrate, be arranged with leaf length scale and the leaf reference length scale of banking of banking in parallel, be preset with corresponding relation between described blade length scale and the blade reference length, the plate face of described measurement plate is provided with the point-like scale area, described point-like scale area is made of a plurality of calibration points, described a plurality of calibration points has size in transversely arranging point and indicate for pitch of measurement plate, measure plate vertically on be arranged as the length reference point and indicate size is arranged, one end of substrate surface is provided with a circular hole, the central oar shell of screw propeller to be adjusted is arranged in the described circular hole, utilize length scale on the substrate to measure the length of blade, one end of the plate face of described measurement plate is provided with the one and a half months hole, utilize described first quarter moon hole will measure integrated circuit board on blade, and make and measure plate perpendicular to substrate and be positioned at the position of blade reference length scale corresponding on the substrate with blade length, rotating screw then, make that to measure plate parallel with substrate, arrange a pitch that is screw propeller through described blade reference length scale and perpendicular to the straight line of measuring plate and the pitch at the joining place of measuring plate.
The present invention also provides a kind of device of realizing the method for above-mentioned measurement model properller blade length and pitch, described this measurement mechanism is made of a substrate and a measurement plate, wherein, described substrate and measurement plate are made of the rectangle plate respectively, one end of the plate face of described substrate is provided with a circular hole, the plate face of substrate is provided with scale along its length direction at a side, another side relative with limit, scale place is provided with breach, the all corresponding separately described scale of the mid point of any one described breach also indicates the scale size, one end of the plate face of described measurement plate is provided with the one and a half months hole, one side in described first quarter moon hole is provided with a chute, the top of described chute is provided with one first locating slot, an other side in first quarter moon hole is provided with one second locating slot, the both sides of measuring plate are symmetrically arranged with two slide plates in the first quarter moon hole site, described two slide plates connect by two bolts, a described bolt passes described first locating slot, another described bolt passes described second locating slot, be provided with through hole in any one slide plate, one end in the cross section of described through hole is rectangular, the other end in the cross section of through hole is fan-shaped, be provided with a spring in the chute, one end of described spring is fixedlyed connected with the measurement plate, the other end of spring is fixedlyed connected with two slide plates, its length direction of plate face upper edge of measuring plate is provided with the point-like scale area, described point-like scale area is made of a plurality of calibration points, described a plurality of calibration points is at the camber line that transversely is arranged as two above numbers of measuring plate, arrangement point for the pitch specification, be provided with a pitch reference mark line simultaneously, in addition, measure plate vertically on be arranged as the camber line of two above numbers, be length numeral reference point and dimensioning.
Further, the mid point of any one breach on the substrate all is connected with a scale by a broken line separately.
Principle of work of the present invention is: the central oar shell of screw propeller to be adjusted is arranged in the circular hole of substrate, measure the length of blade by the scale on the substrate, the slide plate that to measure the plate both sides is removed then, expose the first quarter moon hole, blade is inserted through hole in first quarter moon hole and the slide plate, at the pairing gap position of blade length scale to the substrate of traverse measurement plate on the blade, after loosening slide plate, spring is fixed slide plate and blade, and rotating screw moves to the position parallel with substrate with measuring plate then, with actual blade length, to wearing, from the point-like scale area, read crossing calibration points by the substrate position, promptly obtain this blade pitch to measuring on the plate.After substrate set level, unclamp the screw of fixed blades on the central oar shell, can adjust the blade angle degree, when blade was being measured projected position on the plate and arrived the curved scale of measuring on the plate, the screw of fixed blades was finished the pitch adjustment on the fixing central oar shell.Repeat above-mentioned steps, make all blade pitch unanimities.
The present invention compared with the prior art, its effect is actively and significantly.The present invention utilizes fixedly propeller shaft and measure blade length of substrate, utilizes and measures the pitch that plate is adjusted blade, and the pitch degree of accuracy is improved, and is easy and simple to handle.
Description of drawings:
Fig. 1 is the decomposing schematic representation of the Assembly part in the device of measurement model properller blade length of the present invention and pitch.
Fig. 2 is the decomposing schematic representation of the measurement plate in the device of measurement model properller blade length of the present invention and pitch.
Fig. 3 is the synoptic diagram that substrate is measured blade length among the embodiment of method of measurement model properller blade length of the present invention and pitch.
Fig. 4 is the synoptic diagram of an embodiment of the method for measurement model properller blade length of the present invention and pitch.
Fig. 5 is another synoptic diagram of embodiment of the method for measurement model properller blade length of the present invention and pitch.
Embodiment:
As Fig. 1, Fig. 2, Fig. 3, Fig. 4 and shown in Figure 5, the method of measurement model properller blade 16 length of the present invention and pitch, comprise a step and a step of utilizing survey instrument to measure airscrew pitch of utilizing survey instrument to measure propeller blade 16 length, wherein, described survey instrument has comprised a substrate 1 and a measurement plate 5, on the plate face of described substrate 1, be arranged with leaf length the scale 3 and leaf reference length scale 4 of banking of banking in parallel, be preset with corresponding relation between described blade length scale 3 and blade 16 reference lengths, the plate face of described measurement plate 5 is provided with the point-like scale area, described point-like scale area is made of a plurality of calibration points, described a plurality of calibration points has size in transversely arranging point and indicate for pitch of measurement plate 5, measure plate 5 vertically on be arranged as the length reference point and indicate size is arranged, one end of substrate 1 plate face is provided with a circular hole 2, the central oar shell 15 of screw propeller to be adjusted is arranged in the described circular hole 2, utilize length scale on the substrate 1 to measure the length of blade 16, one end of the plate face of described measurement plate 5 is provided with one and a half months hole 6, utilizing described first quarter moon hole 6 will measure plate 5 is stuck on the blade 16, and make and measure plate 5 perpendicular to substrate 1 and be positioned at the position of blade reference length scale 4 corresponding on the substrate 1 with blade 16 length, rotating screw then, make that to measure plate 5 parallel with substrate 1, arrange a pitch that is screw propeller through described blade reference length scale 4 and perpendicular to the straight line of measuring plate 5 and the pitch at the joining place of measuring plate 5.
The present invention also provides a kind of device of realizing the method for above-mentioned measurement model properller blade 16 length and pitch, described this measurement mechanism is made of a substrate 1 and a measurement plate 5, wherein, described substrate 1 and measurement plate 5 are made of the rectangle plate respectively, one end of the plate face of described substrate 1 is provided with a circular hole 2, the plate face of substrate 1 is provided with blade length scale 3 along its length direction at a side, another side relative with blade length scale 3 is provided with breach, the all corresponding separately blade length scale 3 of the mid point of any one described breach also indicates the scale size, as blade reference length scale 4, one end of the plate face of described measurement plate 5 is provided with one and a half months hole 6, one side in described first quarter moon hole 6 is provided with a chute 7, the top of described chute is provided with one first locating slot 8, an other side in first quarter moon hole 6 is provided with one second locating slot 9, the both sides of measuring plate 5 are symmetrically arranged with two slide plates 10 in 6 positions, first quarter moon hole, described two slide plates 10 connect by two bolts, a described bolt passes described first locating slot 8, another described bolt passes described second locating slot 9, be provided with through hole 11 in any one slide plate 10, one end in the cross section of described through hole 11 is rectangular, the other end in the cross section of through hole 11 is fan-shaped, be provided with a spring 12 in the chute 7, one end of described spring 12 is fixedlyed connected with measurement plate 5, the other end of spring 12 is fixedlyed connected with two slide plates 10, its length direction of plate face upper edge of measuring plate 5 is provided with the point-like scale area, described point-like scale area is made of a plurality of calibration points, described a plurality of calibration points is at the camber line that transversely is arranged as two above numbers 13 of measuring plate 5, arrangement point for the pitch specification, be provided with a pitch reference mark line simultaneously, in addition, measure plate 5 vertically on be arranged as the camber line 14 of two above numbers, be length numeral reference point and dimensioning.
Further, the mid point of any one breach on the substrate 1 all is connected with a scale by a broken line separately.
Principle of work of the present invention is: the central oar shell 15 of screw propeller to be adjusted is arranged in the circular hole 2 of substrate 11, measure the length of blade 16 by the blade length scale 3 on the substrate 1, to measure the slide plate 10 of plate 5 both sides then removes, expose first quarter moon hole 6, with the through hole 11 in blade 16 insertion first quarter moon holes 6 and the slide plate 10, at the blade length scale 3 pairing gap positions to the substrate 1 of traverse measurement plate 5 on the blade 16, after loosening slide plate 10, spring 12 is fixing with blade 16 with slide plate 10, rotating screw then, move to the position parallel with measuring plate 5 with substrate 1, with actual blade 16 length, to wearing, from the point-like scale area, read crossing calibration points by substrate 1 position, promptly obtain this blade 16 pitch to measuring on the plate 5.After substrate 1 set level, unclamp the screw of fixed blades 16 on the central oar shell 15, adjust blade 16 angles, when the projected position of blade 16 on measurement plate 5 arrives the arc blade length scale of measuring on the plate 53, the screw of fixed blades 16 is finished the pitch adjustment on the fixing central oar shell 15.Repeat above-mentioned steps, make all blade 16 pitch unanimities.
Concrete, in one embodiment of the invention, blade 16 length of screw propeller to be adjusted are 11 inches, central oar shell 15 is put into the circular hole 2 of substrate 1, rotating screw, make blade 16 to be measured parallel with substrate 1, blade 16 tops promptly are blade 16 length to corresponding blade length scale 3 positions.
Measure in the plate 5, laterally the point of each in the camber line is respectively different pitch dimension, can survey 6-14 cun pitch point or other sizes.With the connecting line is 10 inches line of reference of standard pitch, is carved with 7,9,11,13 digital references or other digital sizes simultaneously.
Vertically the point of each in the camber line is blade 16 length reference point, is carved with 7,9,11 or other numerals.With reference to containing 6-12 inch blade 16 or other sizes.
Outwards push slide plate 10 open, put into blade 16, after relieving slide plate 10 resets, but fixed blades 16.
Central oar shell 15 is put into the circular hole 2 of substrate 1, and measuring blade 16 length is 11 cun, and is stuck in 11 cun positions of blade 16 length measuring a plate 5, and rotating screw makes that to measure plate 5 parallel with substrate 1.With 11 cun of blade 16 length, to wearing, read joining by substrate 1 position to measuring on the plate 5, be this 11*10 blade 16 pitch.To remaining blade 16, repeat above-mentioned steps, make consistent the getting final product of all blade 16 pitch.
Claims (4)
1. the method for measurement model properller blade length and pitch, comprise a step and a step of utilizing survey instrument to measure airscrew pitch of utilizing survey instrument to measure propeller blade length, it is characterized in that: described survey instrument has comprised a substrate and a measurement plate, on the plate face of described substrate, be arranged with leaf length scale and the leaf reference length scale of banking of banking in parallel, be preset with corresponding relation between described blade length scale and the blade reference length, the plate face of described measurement plate is provided with the point-like scale area, described point-like scale area is made of a plurality of calibration points, described a plurality of calibration points has size in transversely arranging point and indicate for pitch of measurement plate, measure plate vertically on be arranged as the length reference point and indicate size is arranged, one end of substrate surface is provided with a circular hole, the central oar shell of screw propeller to be adjusted is arranged in the described circular hole, utilize length scale on the substrate to measure the length of blade, one end of the plate face of described measurement plate is provided with the one and a half months hole, utilize described first quarter moon hole will measure integrated circuit board on blade, and make and measure plate perpendicular to substrate and be positioned at the position of blade reference length scale corresponding on the substrate with blade length, rotating screw then, make that to measure plate parallel with substrate, arrange a pitch that is screw propeller through described blade reference length scale and perpendicular to the straight line of measuring plate and the pitch at the joining place of measuring plate.
2. device of realizing measurement model properller blade length as claimed in claim 1 and pitch, constitute by a substrate and a measurement plate, it is characterized in that: described substrate and measurement plate are made of the rectangle plate respectively, one end of the plate face of described substrate is provided with a circular hole, the plate face of substrate is provided with scale along its length direction at a side, another side relative with limit, scale place is provided with breach, the all corresponding separately described scale of the mid point of any one described breach, one end of the plate face of described measurement plate is provided with the one and a half months hole, one side in described first quarter moon hole is provided with a chute, the top of described chute is provided with one first locating slot, an other side in first quarter moon hole is provided with one second locating slot, the both sides of measuring plate are symmetrically arranged with two slide plates in the first quarter moon hole site, described two slide plates connect by two bolts, a described bolt passes described first locating slot, another described bolt passes described second locating slot, be provided with through hole in any one slide plate, one end in the cross section of described through hole is rectangular, the other end in the cross section of through hole is fan-shaped, be provided with a spring in the chute, one end of described spring is fixedlyed connected with the measurement plate, the other end of spring is fixedlyed connected with two slide plates, its length direction of plate face upper edge of measuring plate is provided with the point-like scale area, described point-like scale area is made of a plurality of calibration points, and described a plurality of calibration points are respectively along horizontal and vertical arrangement.
3. the device of measurement model properller blade length as claimed in claim 2 and pitch is characterized in that: the mid point of any one breach on the substrate all is connected with a scale by a broken line separately.
4. the device of measurement model properller blade length as claimed in claim 2 and pitch is characterized in that: its length direction of plate face upper edge of measuring plate is provided with a pitch reference mark line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101317519A CN102200421A (en) | 2010-03-24 | 2010-03-24 | Method and device for measuring length and thread pitch of propeller paddle of model aeroplane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101317519A CN102200421A (en) | 2010-03-24 | 2010-03-24 | Method and device for measuring length and thread pitch of propeller paddle of model aeroplane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102200421A true CN102200421A (en) | 2011-09-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101317519A Pending CN102200421A (en) | 2010-03-24 | 2010-03-24 | Method and device for measuring length and thread pitch of propeller paddle of model aeroplane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102200421A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112857188A (en) * | 2021-04-15 | 2021-05-28 | 山东交通学院 | Ship propeller blade angle detection device |
| CN112902807A (en) * | 2021-01-14 | 2021-06-04 | 富通集团（天津）超导技术应用有限公司 | Cable helix angle measuring device and measuring method |
-
2010
- 2010-03-24 CN CN2010101317519A patent/CN102200421A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112902807A (en) * | 2021-01-14 | 2021-06-04 | 富通集团（天津）超导技术应用有限公司 | Cable helix angle measuring device and measuring method |
| CN112857188A (en) * | 2021-04-15 | 2021-05-28 | 山东交通学院 | Ship propeller blade angle detection device |
| CN112857188B (en) * | 2021-04-15 | 2022-06-21 | 山东交通学院 | Ship propeller blade angle detection device |
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Application publication date: 20110928 |