CN112504086A - Inner cone angle measuring device - Google Patents
Inner cone angle measuring device Download PDFInfo
- Publication number
- CN112504086A CN112504086A CN202011306455.8A CN202011306455A CN112504086A CN 112504086 A CN112504086 A CN 112504086A CN 202011306455 A CN202011306455 A CN 202011306455A CN 112504086 A CN112504086 A CN 112504086A
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- measuring
- rods
- measuring rods
- plate
- cone angle
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/24—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes
- G01B5/241—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes for measuring conicity
Abstract
The invention relates to a measuring tool, in particular to an inner cone angle measuring device which comprises a measuring plate, wherein the measuring plate is provided with an arc-shaped edge, and scale marks are arranged on the measuring plate along the arc-shaped edge. The inner cone angle measuring device also comprises two measuring rods, at least one of the two measuring rods is rotatably arranged on the measuring plate around the circle center of the arc-shaped edge, the two measuring rods pass through the circle center or the extended line of the circle center, and the two measuring rods are used for being matched with the scale mark to read an angle value; the two measuring rods are respectively provided with a fitting part which is used for fitting with the wall of the inner taper hole, and the fitting parts of the two measuring rods are positioned on the opposite sides of the two measuring rods; when the angle measuring device is used, the two measuring rods extend into the inner conical hole through the small end of the inner conical hole, the attaching parts of the two measuring rods are attached to two opposite sides of the wall of the inner conical hole, and the angle value of an included angle formed by the two measuring rods is read on the measuring plate.
Description
Technical Field
The invention relates to a measuring tool, in particular to an inner cone angle measuring device.
Background
The inner cone bushing is widely applied to various mechanical equipment, the inner cone angle of the bushing plays a critical role in machining, and the precision of the inner cone angle directly influences the installation of a workpiece, the fitting force of a wall part and the assembling effect.
In the actual processing process, as shown in fig. 1, the inner cone angle of the inner cone hole 101 in the inner cone bushing 100 needs to be measured, because the inner cone angle is in the form of an inner hole, the inner cone angle cannot be directly measured in a projection mode, a product needs to be cut open and a profiler needs to be used for measurement, the measuring process is complicated, the production efficiency is influenced, and the requirement of an actual production field cannot be met. In fact, this technical problem exists not only with inner cone bushings, but also with other workpieces being measured that require inner cone angle measurements.
Therefore, the chinese patent application with application publication No. CN110926313A discloses a measuring tool for measuring an internal cone angle, which includes a base, a guide rod and a horizontal sliding rod, wherein the guide rod extends vertically and is installed on the base in a sliding manner along the vertical direction, the horizontal sliding rod is fixed at the bottom of the guide rod and extends horizontally, and the guide rod is connected to the midpoint of the horizontal sliding rod. The guide rod and the transverse sliding rod are respectively provided with scales, two cursors are slidably arranged on the transverse sliding rod, and two measuring claws are fixed on the cursors. During measurement, the transverse sliding rod is placed into the inner conical hole through the large opening end of the inner conical hole, the scale of the guide rod is recorded, and the two measuring claws move transversely and abut against the wall of the inner conical hole; and lifting the guide rod again, recording the scale of the guide rod, transversely moving the two measuring claws again and abutting against the wall of the inner cone hole, and calculating the inner cone angle according to the arctangent function by means of the numerical values measured for multiple times.
Compared with a mode of splitting the inner cone bushing and measuring by using a contourgraph, the measuring tool in the prior art is improved in measuring efficiency, but the guide rod and the vernier need to be moved for many times during actual use, and calculation is carried out according to an arctan function, so that the whole measuring process is still complex, and the measuring efficiency is still low.
Disclosure of Invention
The invention aims to provide an inner cone angle measuring device, which aims to solve the technical problems that the inner cone angle measuring mode is complex and the measuring efficiency is low in the prior art.
In order to achieve the purpose, the technical scheme of the inner cone angle measuring device provided by the invention is as follows: an inner cone angle measuring device comprising:
the measuring plate is provided with an arc-shaped edge, and the upper edge of the measuring plate is provided with scale marks;
the two measuring rods are arranged, at least one of the two measuring rods is rotatably arranged on the measuring plate around the circle center of the arc-shaped edge, the two measuring rods pass through the circle center or the extended line of the circle center, and the two measuring rods are used for being matched with the scale mark to read an angle value;
the two measuring rods are respectively provided with a fitting part which is used for fitting with the wall of the inner taper hole, and the fitting parts of the two measuring rods are positioned on the opposite sides of the two measuring rods;
when the angle measuring device is used, the two measuring rods extend into the inner conical hole through the small end of the inner conical hole, the attaching parts of the two measuring rods are attached to two opposite sides of the wall of the inner conical hole, and the angle value of an included angle formed by the two measuring rods is read on the measuring plate.
The beneficial effects are that: the inner cone angle of the inner cone hole is converted into the included angle of the two measuring rods through the attaching arrangement of the two measuring rods and the wall of the inner cone hole, and the numerical value is read through the matching of the measuring rods and the scale marks in the measuring plate, and the angle value of the included angle of the two measuring rods is obtained. The measuring device can measure the inner cone angle only by the measuring rod and the measuring plate, has a simple structure, is convenient to use, and can improve the measuring efficiency.
As a further optimized scheme, the measuring plate is a protractor, and the circle center is an origin of the protractor;
and defining the rotatable measuring rod of the two measuring rods as a movable measuring rod, wherein the movable measuring rod is rotatably arranged on the original point of the protractor.
The beneficial effects are that: the movable measuring rod is rotatably arranged on the original point of the protractor, and the installation is convenient.
As a further optimized scheme, the two measuring rods are both the movable measuring rods;
the inner cone angle measuring device comprises a pin fixedly arranged on the original point, and the corresponding end parts of the two movable measuring rods are rotatably arranged on the pin.
As a further optimized scheme, the two measuring rods are positioned on one side of the protractor, which is provided with the scale marks.
As a further optimized scheme, the two measuring rods are movable measuring rods which can be rotatably arranged around the circle center of the arc-shaped edge;
the zero scale line of the measuring plate is arranged at the vertex position of the arc-shaped edge, and the two measuring rods are respectively arranged at two sides of the zero scale line.
The beneficial effects are that: two measuring sticks are movable measuring sticks, and it is more convenient when stretching into the interior taper hole and laminating the contact, and the summit position on arc limit is located to the zero scale mark of measuring the board, just can obtain the angle value of contained angle through reading the angle value of two measuring sticks and adding, and it is convenient to calculate.
As a further optimized scheme, a handle is arranged on the measuring plate, and the handle is held by an operator to move the measuring plate towards and away from the measured workpiece.
The beneficial effects are that: the handle is arranged to facilitate the hand-held operation of the operator.
Drawings
FIG. 1 is a schematic view of an inner taper bushing;
FIG. 2 is a schematic view of an embodiment 1 of the apparatus for measuring an inner cone angle according to the present invention;
FIG. 3 is a view showing a state in use of the inner cone angle measuring device of embodiment 1 of the present invention.
Description of reference numerals:
100. an inner cone bushing; 101. an inner taper hole; 201. a protractor; 202. a pin; 203. a handle; 204. a first measuring rod; 205. a second measuring rod; 206. a bonding part.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, elements recited by the phrase "comprising an … …" do not exclude the inclusion of such elements in processes or methods.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" when they are used are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, or may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art from specific situations.
In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the term "provided" may be used in a broad sense, for example, the object of "provided" may be a part of the body, or may be arranged separately from the body and connected to the body, and the connection may be a detachable connection or a non-detachable connection. The specific meaning of the above terms in the present invention can be understood by those skilled in the art from specific situations.
The present invention will be described in further detail with reference to examples.
The invention provides a specific embodiment 1 of an inner cone angle measuring device:
as shown in fig. 2 and 3, the inner cone angle measuring device includes a protractor 201, and the protractor 201 has an arc-shaped edge along which scale lines are cut. The bottom edge of the protractor 201 has an origin, and a pin 202 is fixed at the origin, specifically, the pin 202 penetrates through the origin in an interference manner, so that the pin 202 is fixed relative to the protractor 201, and the axis of the pin 202 is perpendicular to the plane of the protractor 201.
Two measuring rods are rotatably mounted on the pin 202, the two measuring rods are respectively a first measuring rod 204 and a second measuring rod 205, the second measuring rod 205 and the first measuring rod 204 sequentially penetrate through the pin 202, the first measuring rod 204 and the second measuring rod 205 can rotate relative to the pin 202, and then the two measuring rods can be rotatably mounted on the protractor 201 around the original point of the protractor 201.
One end of the first measuring rod 204 and one end of the second measuring rod 205 are hinged to the protractor 201 through the pin 202, the other end of the first measuring rod 205 extends to the outside of the protractor 201, the two measuring rods are respectively provided with a fitting portion 206, the fitting portions 206 of the two measuring rods are arranged in a back-to-back mode, and the fitting portions 206 of the two measuring rods can be fitted with the hole wall of the inner taper hole 101 in the inner taper bush 100.
When the measuring instrument is used, as shown in fig. 3, the first measuring rod 204 and the second measuring rod 205 extend from the small end of the inner taper hole 101 in the inner taper bush 100, so that the first measuring rod 204 and the second measuring rod 205 are respectively contacted with the two opposite sides of the hole wall of the inner taper hole 101, the protractor 201 is moved and adjusted towards or away from the inner taper bush 100 until the attaching portions 206 of the first measuring rod 204 and the second measuring rod 205 are respectively attached to the two opposite sides of the hole wall of the inner taper hole 101, and at this time, the included angle α formed by the first measuring rod 204 and the second measuring rod 205 is read by the protractor 201, and the included angle is the inner taper angle of the inner taper hole 101.
In this embodiment, for convenience of reading, as shown in fig. 2, the zero scale line in the protractor 201 is located at the vertex position of the arc edge, the scale line values from the vertex to the two ends are gradually increased, and when the angle is read, the values of the first measuring rod 204 and the second measuring rod 205 are respectively read and then added to obtain the value of the included angle.
As shown in fig. 2, in order to facilitate the movement of the protractor 201, a handle 203 is integrally formed on the bottom side of the protractor 201, the handle 203 is located at the origin position, and the handle 203 is convenient for an operator to hold.
In this embodiment, the protractor 201 forms a measuring plate for reading a value in cooperation with a measuring rod, a scale line is disposed at an arc edge of the measuring plate, and an original point of the protractor 201 is a circle center of the arc edge of the measuring plate.
The first measuring rod 204 and the second measuring rod 205 both can rotate relative to the measuring plate, and both are movable measuring rods.
It should be noted that, in actual manufacturing, the measuring rod may be a round rod, and the bonding portion in this case is a bonding surface. The measuring rod can also be a square rod, and the fitting part at the moment is two lines fitted with the wall of the inner taper hole.
The specific embodiment 2 of the inner cone angle measuring device of the invention:
in example 1, a handle is provided on the measurement plate to be held by an operator. In this embodiment, the handle can be eliminated, and the operator directly holds the measurement plate to move.
The specific embodiment 3 of the inner cone angle measuring device of the present invention:
in example 1, the zero scale line of the measuring plate is located at the vertex of the arc-shaped edge, and the two measuring rods are arranged on both sides of the zero scale line. In this embodiment, the zero scale line of the measuring plate may be located at one end of the arc edge, and at this time, subtraction needs to be performed after the numerical values of the two measuring rods are read.
The specific embodiment 4 of the inner cone angle measuring device of the present invention:
in example 1, the two measuring rods are located on the side of the protractor where the scales are provided. In this embodiment, the two measuring rods are both located on the side of the protractor where no scale is provided, or the two measuring rods are separately disposed on both sides of the protractor. Alternatively, the thickness of the protractor can be increased, the middle of the protractor is provided with a groove, and the two measuring rods are arranged on the inner side of the protractor.
Embodiment 5 of the inner cone angle measuring device of the present invention:
in example 1, both measuring rods are movable measuring rods. In this embodiment, only one of the two measuring rods is the movable measuring rod, and the other one is fixed on the measuring plate, and during the use, at first with the fixed measuring rod laminating on the pore wall of inner cone hole, then rotate the movable measuring rod again, fixed measuring rod, measuring plate rotate the adjustment relatively to the movable measuring rod when rotating, make two measuring rods all laminate on the pore wall of inner cone hole finally.
Embodiment 6 of the inner cone angle measuring device of the present invention:
in embodiment 1, the measurement plate is a protractor, the protractor has an origin, and the measurement rod is rotatably mounted on the origin. In this embodiment, the measuring stick can no longer rotate and install on the initial point, but set up the arc hole with arc limit equidistance on the protractor, fixed slider on the measuring stick, slider sliding assembly is downthehole at the arc.
Embodiment 7 of the inner cone angle measuring device of the present invention:
in embodiment 1, the measuring plate is a protractor, and the measuring rod is rotatably mounted on the origin. In this embodiment, measure the board and be fan annular plate body, plate body both sides all have the arc limit, and two arc limits equidistance are arranged. At the moment, a sliding sleeve is fixed on the measuring rod and is slidably sleeved on the measuring plate. At this time, the measuring rod does not pass through the circle center of the arc-shaped edge, but the extension line of the measuring rod passes through the circle center.
Finally, although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments without departing from the inventive concept, or some of the technical features may be replaced with equivalents. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. An interior awl angle measuring device which characterized in that: the method comprises the following steps:
the measuring plate is provided with an arc-shaped edge, and the upper edge of the measuring plate is provided with scale marks;
the two measuring rods are arranged, at least one of the two measuring rods is rotatably arranged on the measuring plate around the circle center of the arc-shaped edge, the two measuring rods pass through the circle center or the extended line of the circle center, and the two measuring rods are used for being matched with the scale mark to read an angle value;
the two measuring rods are respectively provided with a fitting part (206), the fitting parts (206) are used for fitting with the wall of the inner taper hole (101), and the fitting parts (206) of the two measuring rods are positioned on the opposite sides of the two measuring rods;
when the measuring plate is used, the two measuring rods extend into the inner conical hole (101) through the small end of the inner conical hole (101), the attaching parts (206) of the two measuring rods are attached to two opposite sides of the hole wall of the inner conical hole (101) and arranged, and the angle value of an included angle formed by the two measuring rods is read on the measuring plate.
2. The internal cone angle measuring device of claim 1, wherein: the measuring plate is a protractor (201), and the circle center is the origin of the protractor (201);
and defining the rotatable measuring rod of the two measuring rods as a movable measuring rod, wherein the movable measuring rod is rotatably arranged on the original point of the protractor (201).
3. The internal cone angle measuring device of claim 2, wherein: the two measuring rods are both the movable measuring rods;
the inner cone angle measuring device comprises a pin (202) fixedly arranged on the original point, and the corresponding end parts of the two movable measuring rods are rotatably arranged on the pin (202).
4. The inner cone angle measuring device according to claim 2 or 3, wherein: the two measuring rods are positioned on one side of the protractor (201) provided with the scale marks.
5. The internal cone angle measuring device of claim 1, wherein: the two measuring rods are movable measuring rods which can be rotatably arranged around the circle center of the arc-shaped edge;
the zero scale line of the measuring plate is arranged at the vertex position of the arc-shaped edge, and the two measuring rods are respectively arranged at two sides of the zero scale line.
6. The internal taper angle measuring apparatus according to claim 1, 2 or 3, wherein: and a handle (203) is arranged on the measuring plate, and the handle (203) is held by an operator to move the measuring plate towards and away from the measured workpiece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011306455.8A CN112504086A (en) | 2020-11-19 | 2020-11-19 | Inner cone angle measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011306455.8A CN112504086A (en) | 2020-11-19 | 2020-11-19 | Inner cone angle measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112504086A true CN112504086A (en) | 2021-03-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011306455.8A Pending CN112504086A (en) | 2020-11-19 | 2020-11-19 | Inner cone angle measuring device |
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| Country | Link |
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| CN (1) | CN112504086A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114858332A (en) * | 2022-06-14 | 2022-08-05 | 安徽江淮汽车集团股份有限公司 | Electric tail gate anti-clamping force testing device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201325263Y (en) * | 2008-11-13 | 2009-10-14 | 上海市南汇区航头学校 | Angle square capable of changing angle |
| CN204359308U (en) * | 2015-02-02 | 2015-05-27 | 蔡中华 | Underworkings Multifunctional measuring tool |
| CN210242671U (en) * | 2019-07-10 | 2020-04-03 | 江苏东交工程检测股份有限公司 | Multifunctional angle ruler |
| CN210533261U (en) * | 2019-11-25 | 2020-05-15 | 山东科技大学 | Device for measuring included angle between edges of U-shaped or V-shaped stamping part |
| CN111521088A (en) * | 2020-04-14 | 2020-08-11 | 中冶武汉冶金建筑研究院有限公司 | Angle measuring instrument |
-
2020
- 2020-11-19 CN CN202011306455.8A patent/CN112504086A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201325263Y (en) * | 2008-11-13 | 2009-10-14 | 上海市南汇区航头学校 | Angle square capable of changing angle |
| CN204359308U (en) * | 2015-02-02 | 2015-05-27 | 蔡中华 | Underworkings Multifunctional measuring tool |
| CN210242671U (en) * | 2019-07-10 | 2020-04-03 | 江苏东交工程检测股份有限公司 | Multifunctional angle ruler |
| CN210533261U (en) * | 2019-11-25 | 2020-05-15 | 山东科技大学 | Device for measuring included angle between edges of U-shaped or V-shaped stamping part |
| CN111521088A (en) * | 2020-04-14 | 2020-08-11 | 中冶武汉冶金建筑研究院有限公司 | Angle measuring instrument |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114858332A (en) * | 2022-06-14 | 2022-08-05 | 安徽江淮汽车集团股份有限公司 | Electric tail gate anti-clamping force testing device |
| CN114858332B (en) * | 2022-06-14 | 2023-03-31 | 安徽江淮汽车集团股份有限公司 | Electric tail gate anti-clamping force testing device |
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Application publication date: 20210316 |