CN208269792U - A kind of adjustable chord length diameter measurer - Google Patents
A kind of adjustable chord length diameter measurer Download PDFInfo
- Publication number
- CN208269792U CN208269792U CN201820294944.8U CN201820294944U CN208269792U CN 208269792 U CN208269792 U CN 208269792U CN 201820294944 U CN201820294944 U CN 201820294944U CN 208269792 U CN208269792 U CN 208269792U
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- locating detent
- chord length
- apparatus body
- digital display
- connector
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- A Measuring Device Byusing Mechanical Method (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
- Length-Measuring Instruments Using Mechanical Means (AREA)
Abstract
The utility model provides a kind of adjustable chord length diameter measurer and belongs to machinery manufacturing technology field applied to the radius measurement of somewhere camber line on piece surface.A kind of adjustable chord length diameter measurer, including locating detent, sliding sleeve, apparatus body, connector, digital display meter, holding screw and annular knurl thin nut.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.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 relates to a kind of adjustable chord length diameter measurer, the radius applied to somewhere camber line on piece surface is surveyed
Amount, belongs to machinery manufacturing technology field.
Background technique
There are a kind of complex parts in airplane parts, need the measurement to piece surface radius of curvature after finalization of the manufacture,
It is measured since the measurement range of the instrument 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 adjustable chord length diameter measurer working principle of the utility model is: the mutual alignment by extracting three points on camber line
Relationship calculates the radius of this section of circular arc using geometric formula.
The technical solution of the utility model includes:
A kind of adjustable chord length diameter measurer, including locating detent 1, sliding sleeve 2, apparatus body 3, connector 4, digital display meter 5, clamp screw
Nail 6 and annular knurl thin nut 7；
The section of the apparatus body 3 is equipped with symmetrical positioning slide opening and connector mounting hole, and connector mounting hole is located at two
Among symmetrical positioning slide opening, scale mark is carved in apparatus body 3；
The locating detent 1 and sliding sleeve 2 uses transition fit, is installed in positioning slide opening, and pass through annular knurl thin nut 7
Fixed limit；Described 2 one end of sliding sleeve is equipped with positive stop lug boss, is limited in apparatus body 3, and sliding sleeve 2 and positioning slide opening use
Clearance fit；The section of the locating detent 1 is the T-shape structure of triangular front end, i.e., operating point is conical surface vertex；Locating detent
1 shank portion and 2 clearance fit of sliding sleeve, the shank portion than 1 end of locating detent is thick, and the end of locating detent 1 is equipped with outer
Screw thread is used with annular knurl thin nut 7 and is threadedly engaged；When locating detent 1, sliding sleeve 2 slide into target position in apparatus body 3 simultaneously
It sets, applies active force by screwing annular knurl thin nut 7,1 horizontal position of locating detent is positioned；
Connector mounting hole on the connector 4 and apparatus body 3 realizes the locating clip to digital display meter 5 using being interference fitted
Tightly, connector 4 is gap-matched with digital display meter 5；The connector 4 is equipped with screw hole, and holding screw 6 is using threaded connection；
Digital display meter 5 is clamped by tightening holding screw 6, so as to adjust 5 measuring head upright position of digital display meter.
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 adjustable chord length diameter measurer assembling front view.
Fig. 1 (b) is adjustable chord length diameter measurer assembling plan view.
Fig. 2 is locating detent structure chart.
Fig. 3 is sliding sleeve structure chart.
Fig. 4 (a) is apparatus body structural front view.
Fig. 4 (b) is apparatus body structure top view.
Fig. 5 is joint structure.
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
Below in conjunction with attached drawing and technical solution, specific embodiment of the present utility model is further illustrated.
A kind of adjustable chord length diameter measurer, including locating detent 1, sliding sleeve 2, apparatus body 3, connector 4, digital display meter 5, clamp screw
Nail 6 and annular knurl thin nut 7；
The section of the apparatus body 3 is equipped with symmetrical positioning slide opening and connector mounting hole, and connector mounting hole is located at two
Among symmetrical positioning slide opening, scale mark is carved in apparatus body 3；
The locating detent 1 and sliding sleeve 2 uses transition fit, is installed in positioning slide opening, and pass through annular knurl thin nut 7
Fixed limit；Described 2 one end of sliding sleeve is equipped with positive stop lug boss, is limited in apparatus body 3, and sliding sleeve 2 and positioning slide opening use
Clearance fit；The section of the locating detent 1 is the T-shape structure of triangular front end, i.e., operating point is conical surface vertex；Locating detent
1 shank portion and 2 clearance fit of sliding sleeve, the shank portion than 1 end of locating detent is thick, and the end of locating detent 1 is equipped with outer
Screw thread is used with annular knurl thin nut 7 and is threadedly engaged；When locating detent 1, sliding sleeve 2 slide into target position in apparatus body 3 simultaneously
It sets, applies active force by screwing annular knurl thin nut 7,1 horizontal position of locating detent is positioned；
Connector mounting hole on the connector 4 and apparatus body 3 realizes the locating clip to digital display meter 5 using being interference fitted
Tightly, connector 4 is gap-matched with digital display meter 5；The connector 4 is equipped with screw hole, and holding screw 6 is using threaded connection；
Digital display meter 5 is clamped by tightening holding screw 6, so as to adjust 5 measuring head upright position of digital display meter.
Further, the sliding sleeve 2 realizes horizontal sliding in the device, by the way of plane-plane contact sliding, contact
The size in face and surface smoothness requirements are very high；Sliding sleeve 2 has auxiliary direction-pointing function simultaneously, it is desirable that pointer shape is accurate；It is sliding
Dynamic set 2 is easy to wear for intermediate connector, and material selects carbon tool steel.
Further, the apparatus body 3 is the critical component of the device, and material selects carbon steel.
Further, the connector 4 realizes that the positioning to digital display meter 5 clamps, while using and being interference fitted with apparatus body 3,
Maintenance convenient for safeguarding, material select carbon steel.
Further, the digital display meter 5 selects the dial gauge with any position Protection Counter Functions.
The application method of this is adjustable chord length diameter measurer: after the assembly is completed by the adjustable chord length diameter measurer, according to device
3 high scale line of body adjusts the pointer of sliding sleeve 2 to target position, and screwing annular knurl thin nut 7 makes locating detent 1 and 2 axis of sliding sleeve
Distance " 0 line " horizontal distance is fixed, record reading L；The measuring head of adjustment digital display meter 5 is with 1 three points of locating detent in same level
On, digital display meter 5 is zeroed out；Measured part is measured, record reading H converts using formula, calculates the camber line
Radius R=H/2+L2/(2H)。
Claims (4)
1. a kind of adjustable chord length diameter measurer, which is characterized in that the adjustable chord length diameter measurer includes locating detent (1), slides
Dynamic set (2), apparatus body (3), connector (4), digital display meter (5), holding screw (6) and annular knurl thin nut (7)；
The section of the apparatus body (3) is equipped with symmetrical positioning slide opening and connector mounting hole, and connector mounting hole is located at two and sets
Have among symmetrical positioning slide opening, apparatus body is carved with scale mark on (3)；
The locating detent (1) and sliding sleeve (2) uses transition fit, is installed in positioning slide opening, and pass through annular knurl thin nut
(7) fixed limit；Described sliding sleeve (2) one end is equipped with positive stop lug boss, is limited on apparatus body (3), sliding sleeve (2) and positioning
Slide opening is gap-matched；The section of the locating detent (1) is the T-shape structure of triangular front end, i.e., operating point is the conical surface
Vertex；The shank portion and sliding sleeve (2) clearance fit of locating detent (1), the shank portion than locating detent (1) end is thick, fixed
The end of position pawl (1) is equipped with external screw thread, uses and is threadedly engaged with annular knurl thin nut (7)；When locating detent (1), sliding sleeve (2) simultaneously
Target position is slided on apparatus body (3), applies active force by screwing annular knurl thin nut (7), to locating detent (1) horizontal position
It sets and is positioned；
Connector mounting hole on the connector (4) and apparatus body (3) realizes the positioning to digital display meter (5) using being interference fitted
It clamps, connector (4) is gap-matched with digital display meter (5)；The connector (4) is equipped with screw hole, and holding screw (6) uses
It is threadedly coupled；Digital display meter (5) are clamped by tightening holding screw (6), so as to adjust digital display meter (5) measuring head upright position.
2. adjustable chord length diameter measurer according to claim 1, which is characterized in that the material of the sliding sleeve (2) is
Carbon tool steel；The material of the apparatus body (3) is carbon steel；The material of the connector (4) is carbon steel.
3. adjustable chord length diameter measurer according to claim 1, which is characterized in that the digital display meter (5), selection has
The dial gauge of any position Protection Counter Functions.
4. adjustable chord length diameter measurer according to claim 2, which is characterized in that the digital display meter (5), selection has
The dial gauge of any position Protection Counter Functions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820294944.8U CN208269792U (en) | 2018-03-02 | 2018-03-02 | A kind of adjustable chord length diameter measurer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820294944.8U CN208269792U (en) | 2018-03-02 | 2018-03-02 | A kind of adjustable chord length diameter measurer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208269792U true CN208269792U (en) | 2018-12-21 |
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ID=64674526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820294944.8U Active CN208269792U (en) | 2018-03-02 | 2018-03-02 | A kind of adjustable chord length diameter measurer |
Country Status (1)
| Country | Link |
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| CN (1) | CN208269792U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108151614A (en) * | 2018-03-02 | 2018-06-12 | 沈阳飞机工业（集团）有限公司 | A kind of adjustable chord length diameter measurer |
-
2018
- 2018-03-02 CN CN201820294944.8U patent/CN208269792U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108151614A (en) * | 2018-03-02 | 2018-06-12 | 沈阳飞机工业（集团）有限公司 | A kind of adjustable chord length diameter measurer |
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