CN208887529U - A kind of adjustable chord length diameter measurer - Google Patents
A kind of adjustable chord length diameter measurer Download PDFInfo
- Publication number
- CN208887529U CN208887529U CN201821441449.1U CN201821441449U CN208887529U CN 208887529 U CN208887529 U CN 208887529U CN 201821441449 U CN201821441449 U CN 201821441449U CN 208887529 U CN208887529 U CN 208887529U
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- China
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- apparatus body
- sliding sleeve
- locating detent
- chord length
- digital display
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- A Measuring Device Byusing Mechanical Method (AREA)
- Length-Measuring Instruments Using Mechanical Means (AREA)
Abstract
The utility model provides a kind of adjustable chord length diameter measurer, belongs to mechanical manufacturing field.This is adjustable, and chord length diameter measurer includes locating detent, sliding sleeve, apparatus body, connector, digital display meter, holding screw and annular knurl thin nut;The device determines a circular arc by 3 points of measuring head of two locating detents and digital display meter, and by the measurement of distance, the radius of curvature of circular arc is calculated.This is adjustable chord length diameter measurer flexible structure, is simple to manufacture, easy to operate.A variety of needs can be met by adjusting distance between locating detent, make part data acquisition quickly, improve production efficiency.
Description
Technical field
The utility model belongs to machinery manufacturing technology field, and in particular to a kind of adjustable chord length diameter measurer is applied to zero
The radius measurement of somewhere camber line on part surface.
Background technique
There are a kind of complex parts in airplane parts, needs to survey piece surface radius of curvature after finalization of the manufacture
Amount measures since the apparatus measures range of universal measurement radius is limited, and without special device, therefore needs special design
A kind of device realizes the detection to radius of curvature.
Utility model content
The utility model is intended to provide a kind of adjustable chord length diameter measurer, by the mutual alignment for extracting three points on camber line
Relationship calculates the radius of this section of circular arc using geometric formula.
A kind of adjustable chord length diameter measurer, this is adjustable, and chord length diameter measurer includes locating detent 1, sliding sleeve 2, apparatus body 3, connects
First 4, digital display meter 5, holding screw 6 and annular knurl thin nut 7;
The apparatus body 3 is in quadrangular shape, and the front of quadrangular indicates scale, interposition of 0 scale in apparatus body 3
It sets;At 0 scale, an assembly connection hole is opened on the direction of top and bottom;At left and right sides of 0 scale, top and bottom penetrate through on direction
Two slideways are opened up, slideway axially extends to end along apparatus body 3;
The locating detent 1 and sliding sleeve 2 each two, the two is equipped in 3 or so two slideways of apparatus body;It is described
Locating detent 1 include bar portion and centrum, the end of bar portion is equipped with screw thread, the vertex of centrum downward, for the anchor point work of the device
Make part;The sliding sleeve 2 includes hollow cylinder and pointer, and the lateral surface of hollow cylinder is that two to be parallel to each other put down
Face;Pointer auxiliary positioning pawl 1 is directed toward, and center opening, aperture size is consistent with the internal diameter of hollow cylinder, and pointer is fixed on
On the end face of hollow cylinder one end, and pointer is directed toward perpendicular to two parallel lateral surfaces;The bar portion of locating detent 1 is from the bottom up
Across apparatus body 3, sliding sleeve 2 is covered from top to bottom on the outer diameter of locating detent 1, and sliding sleeve 2 two parallel lateral surface difference
It with the face contact up and down of slideway, is gap-matched between locating detent 1 and sliding sleeve 2, sliding sleeve 2 and apparatus body 3 use gap
Cooperation;Annular knurl thin nut 7 is arranged in 1 bar portion end of locating detent, when sliding sleeve 2 drives locating detent 1 to be horizontally slid to mesh on slideway
Position when, annular knurl thin nut 7 is screwed down, realize locating detent 1 and sliding sleeve 2 horizontal position in apparatus body 3 positioning;
Cylindrical column is set on the connector 4, and interference is realized in the assembly connection hole at 3 middle part of outer diameter and apparatus body of cylindrical column
Cooperation, it is ensured that fixation of the connector 4 in apparatus body 3 passes through the measuring head of digital display meter 5 in cylindrical column, and measuring head and connector 4 are realized
Clearance fit, it is ensured that the upright position of aobvious 5 measuring head of table can be adjusted unobstructedly;Digital display meter 5 is fixedly clamped by holding screw 6
On connector 4, positioning of the digital display meter 5 in apparatus body 3 is realized.
The material of the locating detent 1 is steel alloy;2 link block of sliding sleeve, apparatus body 3 material be carbon steel.
A kind of application method of adjustable chord length diameter measurer: after the assembly is completed by the adjustable chord length diameter measurer, according to dress
The graduation mark on body 3 is set, the pointer of two sliding sleeves 2 is adjusted, points to target position, screws annular knurl thin nut 7, makes the left and right sides
Locating detent 1 and the horizontal distance of the axial line distance " 0 line " of sliding sleeve 2 fix, record reading L.Adjust the measuring head of digital display meter 5
With two 1 three points of locating detent in same level, digital display meter 5 is zeroed out;Measured part is measured, record is read
Number H, converts using formula, calculates radius of curvature R=H/2+L2/ (2H), wherein L is the water of the graduation mark of locating detent 1 and 0
Flat distance;H is the mobile distance of the measuring head of digital display meter 5;R is radius of curvature.
The utility model has the beneficial effects that the adjustable chord length diameter measurer flexible structure, is simple to manufacture, it is easy to operate.It is logical
A variety of needs can be met by overregulating distance between locating detent, made part data acquisition quickly, improved production efficiency.
Detailed description of the invention
Fig. 1 (a) is the main view of adjustable chord length diameter measurer.
Fig. 1 (b) is the top view of adjustable chord length diameter measurer.
Fig. 2 is the structure chart of locating detent.
Fig. 3 (a) is the axial section of sliding sleeve.
Fig. 3 (b) is the side view at pointer end.
Fig. 4 (a) is the main view of apparatus body.
Fig. 4 (b) is the top view of apparatus body.
Fig. 5 (a) is the main view of connector.
Fig. 5 (b) is the sectional view of connector.
In figure: 1 locating detent;2 sliding sleeves;3 apparatus body;4 connectors;5 digital display meters;6 holding screws;7 annular knurl thin nuts.
Specific embodiment
The technical solution of the utility model is further detailed below in conjunction with specific embodiments and the drawings.
A kind of adjustable chord length diameter measurer, this is adjustable, and chord length diameter measurer includes locating detent 1, sliding sleeve 2, apparatus body 3, connects
First 4, digital display meter 5, holding screw 6 and annular knurl thin nut 7;
The apparatus body 3 is in quadrangular shape, and the front of quadrangular indicates scale, interposition of 0 scale in apparatus body 3
It sets;At 0 scale, an assembly connection hole is opened on the direction of top and bottom;At left and right sides of 0 scale, top and bottom penetrate through on direction
Two slideways are opened up, slideway extends to end along the axial direction of apparatus body 3;
The locating detent 1 and sliding sleeve 2 each two, the two is equipped in 2 or so two slideways of sliding sleeve;It is described
Locating detent 1 include bar portion and centrum, the end of bar portion is equipped with screw thread, the vertex of centrum downward, for the anchor point work of the device
Make part;The sliding sleeve 2 includes hollow cylinder and pointer, and the lateral surface of hollow cylinder is that two to be parallel to each other put down
Face;Pointer auxiliary positioning pawl 1 is directed toward, and center opening, aperture size is consistent with the internal diameter of hollow cylinder, and pointer is fixed on
On the end face of hollow cylinder one end, and pointer is directed toward perpendicular to two parallel lateral surfaces;The bar portion of locating detent 1 is from the bottom up
Across apparatus body 3, sliding sleeve 2 is covered from top to bottom on the outer diameter of locating detent 1, and sliding sleeve 2 two parallel lateral surface difference
It with the face contact up and down of slideway, is gap-matched between locating detent 1 and sliding sleeve 2, sliding sleeve 2 and apparatus body 3 use gap
Cooperation;Annular knurl thin nut 7 is arranged in 1 bar portion end of locating detent, when sliding sleeve 2 drives locating detent 1 to be horizontally slid to mesh on slideway
Position when, annular knurl thin nut 7 is screwed down, realize locating detent 1 and sliding sleeve 2 horizontal position in apparatus body 3 positioning;
Cylindrical column is set on the connector 4, and interference is realized in the assembly connection hole at 3 middle part of outer diameter and apparatus body of cylindrical column
Cooperation, it is ensured that fixation of the connector 4 in apparatus body 3 passes through the measuring head of digital display meter 5 in cylindrical column, and measuring head and connector 4 are realized
Clearance fit, it is ensured that the upright position of aobvious 5 measuring head of table can be adjusted unobstructedly;Digital display meter 5 is fixedly clamped by holding screw 6
On connector 4, positioning of the digital display meter 5 in apparatus body 3 is realized.
The material of the locating detent 1 is steel alloy;2 link block of sliding sleeve, apparatus body 3 material be carbon steel.
A kind of application method of adjustable chord length diameter measurer: after the assembly is completed by the adjustable chord length diameter measurer, according to dress
The graduation mark on body 3 is set, the pointer of two sliding sleeves 2 is adjusted, points to target position, screws annular knurl thin nut 7, makes the left and right sides
Locating detent 1 and the horizontal distance of the axial line distance " 0 line " of sliding sleeve 2 fix, record reading L.Adjust the measuring head of digital display meter 5
With two 1 three points of locating detent in same level, digital display meter 5 is zeroed out;Measured part is measured, record is read
Number H, converts using formula, calculates radius of curvature R=H/2+L2/ (2H), wherein L is the water of the graduation mark of locating detent 1 and 0
Flat distance;H is the mobile distance of the measuring head of digital display meter 5;R is radius of curvature.
Claims (2)
1. a kind of adjustable chord length diameter measurer, which is characterized in that this is adjustable, and chord length diameter measurer includes locating detent (1), sliding sleeve
(2), apparatus body (3), connector (4), digital display meter (5), holding screw (6) and annular knurl thin nut (7);
The apparatus body (3) is in quadrangular shape, and the front of quadrangular indicates scale, interposition of 0 scale in apparatus body (3)
It sets;At 0 scale, an assembly connection hole is opened on the direction of top and bottom;At left and right sides of 0 scale, top and bottom penetrate through on direction
Two slideways are opened up, slideway axially extends to end along apparatus body (3);
The locating detent (1) and sliding sleeve (2) each two, the two are equipped in two slideways in apparatus body (3) left and right;Institute
The locating detent (1) stated includes bar portion and centrum, and the end of bar portion is equipped with screw thread, and the vertex of centrum downward, is calibrated for adjustable chord length
The anchor point working portion of device;The sliding sleeve (2) includes hollow cylinder and pointer, and the lateral surface of hollow cylinder is
Two planes being parallel to each other;Pointer auxiliary positioning pawl (1) is directed toward, center opening, aperture size and hollow cylinder
Internal diameter is consistent, and pointer is fixed on the end face of hollow cylinder one end, and pointer is directed toward perpendicular to two parallel lateral surfaces;It is fixed
The bar portion of position pawl (1) passes through apparatus body (3) from the bottom up, and sliding sleeve (2) is covered from top to bottom on the outer diameter of locating detent (1), and
(2) two parallel lateral surfaces of sliding sleeve use between locating detent (1) and sliding sleeve (2) respectively with the face contact up and down of slideway
Clearance fit, sliding sleeve (2) are gap-matched with apparatus body (3);Annular knurl thin nut (7) are arranged in locating detent (1) bar portion end,
When sliding sleeve (2) drive locating detent (1) to be horizontally slid to destination locations on slideway, annular knurl thin nut (7) is screwed down, real
The positioning of existing locating detent (1) and sliding sleeve (2) horizontal position on apparatus body (3);
Cylindrical column is set on the connector (4), and interference is realized in the outer diameter of cylindrical column and the assembly connection hole in the middle part of apparatus body (3)
Cooperation, it is ensured that fixation of the connector (4) on apparatus body (3) passes through the measuring head of digital display meter (5) in cylindrical column, measuring head with connect
Head (4) realizes clearance fit, it is ensured that can adjust the upright position of digital display meter (5) measuring head unobstructedly;Digital display meter (5) passes through tight
Determine screw (6) to be fixedly clamped on connector (4), realizes the positioning of digital display meter (5) on apparatus body (3).
2. a kind of adjustable chord length diameter measurer according to claim 1, which is characterized in that the material of the locating detent (1)
For steel alloy;Sliding sleeve (2) link block, apparatus body (3) material be carbon steel.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821441449.1U CN208887529U (en) | 2018-09-04 | 2018-09-04 | A kind of adjustable chord length diameter measurer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821441449.1U CN208887529U (en) | 2018-09-04 | 2018-09-04 | A kind of adjustable chord length diameter measurer |
Publications (1)
Publication Number | Publication Date |
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CN208887529U true CN208887529U (en) | 2019-05-21 |
Family
ID=66511140
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201821441449.1U Active CN208887529U (en) | 2018-09-04 | 2018-09-04 | A kind of adjustable chord length diameter measurer |
Country Status (1)
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CN (1) | CN208887529U (en) |
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2018
- 2018-09-04 CN CN201821441449.1U patent/CN208887529U/en active Active
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