CN212378676U

CN212378676U - Circular cone size comprehensive measurement device

Info

Publication number: CN212378676U
Application number: CN202021868820.XU
Authority: CN
Inventors: 王皓; 徐旭松; 卢恒; 叶超; 朱敏浩; 许孟然; 孙志英
Original assignee: Jiangsu University of Technology
Current assignee: Jiangsu University of Technology
Priority date: 2020-08-31
Filing date: 2020-08-31
Publication date: 2021-01-19
Anticipated expiration: 2030-08-31

Abstract

The utility model provides a circular cone size integrated measurement device, including the protractor, first handle, the second handle, pointer and long chi, the connecting axle is worn to be equipped with by protractor centre of a circle position, first handle and second handle structure are the same and are L shape, first handle and second handle right angle department cover are located on the connecting axle rather than rotate and are connected, the protractor back is all located to first handle and second handle, first handle and second handle short-end orientation are opposite when first handle and second handle long-end coincide, the protractor is located to the pointer, pointer one end and connecting axle fixed connection, the pointer other end and second handle fixed connection, still include mutually support with first handle and second handle short-end and form parallelogram's two measuring arms. The utility model provides a circular cone size comprehensive measurement device, which is applicable to detecting parts produced in batch, the detection is rapid and convenient, and the cost of the detection tool is lower; the mechanism is simple, the combination deviation is reduced, and the accuracy of measured data is ensured.

Description

Circular cone size comprehensive measurement device

Technical Field

The utility model relates to a measuring device technical field especially relates to a circular cone size integrated measurement device.

Background

The conical parts are widely applied to assembly and use of a machine, and in the large-scale production process of products, the size of the processed products has large errors due to the problems of looseness, collision and the like of a processing device. On the other hand, a simple measuring instrument causes inaccuracy of a measuring result, in a hydraulic or pneumatic transmission device, the instrument is required to be matched tightly in order to ensure the accuracy and stability of transmission, a taper hole and a frustum are matched in some mechanisms, and in general, the measurement of the angle of the taper hole is difficult, the measuring error is large, and the measurement is difficult when an inclined plane or a curved plane is met.

In order to determine whether the matching of the taper hole and the frustum is accurate, the angle between the taper hole and the frustum and the radius of a certain matching section need to be measured, the measuring instrument is expensive, and in the prior art, an instrument capable of simultaneously completing the three measurements is lacked, so that the measurement is very inconvenient, and the measuring method is complex.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: in order to overcome the defects in the prior art, the utility model provides a circular cone size comprehensive measurement device.

The utility model provides a technical scheme that its technical problem will adopt is: a circular cone size comprehensive measuring device comprises an angle gauge, a first handle, a second handle, a pointer and a long ruler, wherein a connecting shaft penetrates through the circle center of the angle gauge, the first handle and the second handle are L-shaped in the same structure, the first handle and the second handle are sleeved at right angles and are connected with the connecting shaft in a rotating mode, the first handle and the second handle are arranged on the same horizontal plane, scales are arranged on the long end of the second handle, the zero point of the scales on the second handle is located at the connecting shaft, the first handle and the second handle are both arranged on the back of the angle gauge, when the long ends of the first handle and the second handle are overlapped, the short ends of the first handle and the second handle face oppositely, the pointer is arranged on the front of the angle gauge, one end of the pointer is fixedly connected with the connecting shaft, and the other end of the pointer is fixedly connected with the long end of the, the pointer axis is parallel to the second handle long end axis, the two measuring arms are matched with the first handle and the second handle short end to form a parallelogram, four sides of the parallelogram are hinged to each other, the long ruler is provided with a strip-shaped hole in the length direction, the long ruler is sleeved on the connecting shaft through the strip-shaped hole, the long ruler is arranged between the protractor and the pointer, and the long ruler is provided with scales in the length direction.

Further, the protractor comprises a first scale area and a second scale area which are sequentially arranged along the anticlockwise direction, the measuring ranges of the first scale area and the second scale area are both 0-90 degrees, and the 90-degree scale of the first scale area is 0-degree scale of the second scale area.

Further, in order to prevent the protractor from rotating freely on the connecting shaft to affect measurement, the first handle is fixedly connected with the protractor, and the short end of the first handle points to the 0-degree scale of the first scale area.

Furthermore, the first handle and the second handle are detachably connected with clamping blocks at the long ends, the two clamping blocks are arranged oppositely, and two surfaces, close to each other, of the two clamping blocks are cambered surfaces matched with the conical surfaces of the frustum.

The two clamping blocks are the same in size, the clamping surfaces are processed into concave arcs and used for tightly adhering to the outer surface of the cone, the angle of each arc is not too small, and the purpose is to enable the processed arc inner surface and the processed outer surface of the cone to be adhered along a straight line, so that the measurement is more accurate.

Furthermore, the two measuring arms are respectively provided with a fitting block, and one surface of each fitting block, which is far away from the short ends of the first handle and the second handle, is an arc surface matched with the taper hole.

The fitting block is used for being matched with the conical surface of the conical hole, the arc angle is small, the purpose is to enable the machined arc outer surface to be fitted with the inner surface of the conical hole along a straight line, and the measurement is more accurate.

Furthermore, one end of the long ruler is provided with an extension rod extending to the plane where the first handle and the second handle are located, and the axis of the extension rod is parallel to the axis of the connecting shaft.

The utility model has the advantages that: the utility model provides a circular cone size comprehensive measurement device, which is applicable to detecting parts produced in batch, the detection is rapid and convenient, and the cost of the detection tool is lower; the mechanism is simple, the combination deviation is reduced, and the accuracy of the measured data is ensured; the measuring method is simple, has three functions, can detect the taper angle, the taper hole angle and the taper section radius, and has wide application range.

Drawings

The present invention will be further explained with reference to the drawings and examples.

FIG. 1 is a schematic structural diagram of a preferred embodiment of the present invention;

FIG. 2 is a schematic rear view of a preferred embodiment of the present invention;

FIG. 3 is a schematic view of a frustum taper measurement;

FIG. 4 is a schematic view of a taper hole angle measurement;

FIG. 5 is a schematic view of a conic section or circular arc radius measurement;

FIG. 6 is a diagrammatic view of the measurement of FIG. 5;

fig. 7 is a schematic structural view of the protractor;

fig. 8 is a partial schematic view of a long ruler.

In the figure: 1. the protractor comprises, by weight, 1-1 parts of protractor bodies, 1-2 parts of first scale areas, 2 parts of second scale areas, 2 parts of first handles, 3 parts of second handles, 4 parts of pointers, 5 parts of long rules, 5-1 parts of strip-shaped holes, 5-2 parts of extension rods, 6 parts of connecting shafts, 7 parts of measuring arms, 8 parts of clamping blocks, 9 parts of attaching blocks.

Detailed Description

The present invention will now be described in detail with reference to the accompanying drawings. This figure is a simplified schematic diagram, and merely illustrates the basic structure of the present invention in a schematic manner, and therefore it shows only the constitution related to the present invention.

As shown in fig. 1-8, the utility model discloses a circular cone size comprehensive measurement device, including protractor 1, first handle 2, second handle 3, pointer 4 and long chi 5, connecting axle 6 is worn to be equipped with in protractor 1 centre of a circle position, first handle 2 and second handle 3 are processed into rectangular form, the cross-section is the rectangle, process 90 degrees right angle and extend at one end, the length of extension is 1/4 about handle length, cut half the material along the side in about 3/4 department of handle one end, two the same handle cuts the partial laminating, make the handle in a plane like this in side visual angle, first handle 2 and second handle 3 right angle department cover locate on connecting axle 6 with connecting axle 6 is rotated and is connected, threaded connection has the nut that is used for restricting the handle position on connecting axle 6, be equipped with the scale on the long end of second handle 3, the zero point of the scale on the second handle 3 is at the connecting shaft 6, the first handle 2 and the second handle 3 are both arranged on the back of the protractor 1, the short ends of the first handle 2 and the second handle 3 are opposite when the long ends of the first handle 2 and the second handle 3 are superposed, the pointer 4 is arranged on the front of the protractor 1, one end of the pointer 4 is fixedly connected with the connecting shaft 6, the other end of the pointer 4 is fixedly connected with the long end of the second handle 3, the axis of the pointer 4 is parallel to the axis of the long end of the second handle 3, the protractor further comprises two measuring arms 7 which are matched with the short ends of the first handle 2 and the second handle 3 to form a parallelogram, four sides of the parallelogram are hinged with each other, the long ruler 5 is provided with a strip-shaped hole 5-1 along the length direction, the long ruler 5 is sleeved on the connecting shaft 6 through the strip-shaped hole 5-1, the long ruler 5 is arranged between, the long ruler 5 is provided with scales along the length direction.

The protractor 1 comprises a first scale area 1-1 and a second scale area 1-2 which are sequentially arranged along the anticlockwise direction, the ranges of the first scale area 1-1 and the second scale area 1-2 are both 0-90 degrees, and the 90-degree scale of the first scale area 1-1 is the 0-degree scale of the second scale area 1-2.

The first handle 2 is fixedly connected with the protractor 1, and the short end of the first handle 2 points to the 1-10-degree scale of the first scale area.

The long ends of the first handle 2 and the second handle 3 are detachably connected with clamping blocks 8, the two clamping blocks 8 are arranged oppositely, and two surfaces, close to each other, of the two clamping blocks 8 are cambered surfaces matched with the conical surfaces of the frustum. The middle part of the clamping block 8 is provided with a hole which can connect the clamping block 8 with the handle through a bolt, the side surface of the clamping block 8 is provided with a rectangular hole, the size of the rectangular hole is the same as that of the side surface of the handle, and the rectangular hole is convenient to install on the handle.

And the two measuring arms 7 are respectively provided with an attaching block 9, and one surface of each attaching block 9, which is far away from the short ends of the first handle 2 and the second handle 3, is an arc surface matched with the taper hole.

One end of the long ruler 5 is provided with an extension rod 5-2 extending to the plane where the first handle 2 and the second handle 3 are located, and the axis of the extension rod 5-2 is parallel to the axis of the connecting shaft 6.

The measuring method comprises the following steps:

as shown in fig. 3, the frustum taper measuring method is as follows: two clamping blocks 8 are arranged on the first handle 2 and the second handle 3, the surfaces of the clamping blocks 8, which are close to the frustum, are arc-shaped, so that the intersection point of the two surfaces which are overlapped when the clamping blocks are close to each other is a straight line, after the clamping blocks are close to each other, the pointer 4 on the protractor 1 can deviate by a section along with the straight line, and the pointed angle is the angle of the frustum.

If the angle of the frustum is smaller than 90 degrees, the pointer 4 points to the second scale area 1-2, and the angle pointed by the pointer 4 is the angle of the frustum; if the angle of the frustum is larger than 90 degrees, the pointer 4 can deviate from the protractor 1, the reverse extension line of the pointer 4 points to the first scale area 1-1 at the moment, the reading is alpha, and the angle at the moment is 90+ alpha.

As shown in fig. 4, the taper hole angle measuring method is as follows: two measuring arms 7 and the short ends of first handle 2 and second handle 3 constitute parallelogram mechanism, and two laminating pieces 9 are installed on measuring arm 7, and the face that laminating piece 9 pasted tight taper hole is the arc, so the two face nodical of coincidence is a straight line when pasting tightly, during the measurement, struts the handle, makes two laminating pieces 9 of parallelogram paste tight taper hole inner wall, and after the fixed, the reading on protractor 1 is exactly the angle of taper hole.

If the angle of the taper hole is smaller than 90 degrees, the pointer 4 points to the second scale area 1-2, and the angle pointed by the pointer 4 is the angle of the taper hole; if the angle of the taper hole is larger than 90 degrees, the pointer 4 can deviate from the protractor 1, the reverse extension line of the pointer 4 points to the first scale area 1-1 at the moment, the reading is alpha, and the angle at the moment is 90+ alpha.

As shown in fig. 5 and 6, the method for measuring the conic section or circular arc radius is as follows: detaching the clamping blocks 8 on the first handle 2 and the second handle 3, opening the first handle 2 and the second handle 3 to clamp the piece to be detected, propping the edge of the piece to be detected by the extension rod 5-2 at the tail end of the long ruler 5, wherein the edge of the piece to be detected is arc-shaped, the arc-shaped contact of the extension rod 5-2 and the arc-shaped contact of the piece to be detected is a point, the scale of the long ruler 5 relative to the circle center of the connecting shaft 6 is read and recorded as a, the scale of the contact point of the second handle 3 and the arc to be detected is b, the angle reading on the dial is X, and then the radius r of the section to be detected can be determined

And (6) obtaining.

Directions and references (e.g., up, down, left, right, etc.) in the present disclosure may be used solely to aid in the description of the features in the figures. The following detailed description is, therefore, not to be taken in a limiting sense, and the scope of the claimed subject matter is defined only by the appended claims and equivalents thereof.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. A circular cone size integrated measuring device which is characterized in that: the protractor comprises an protractor (1), a first handle (2), a second handle (3), a pointer (4) and a long ruler (5), wherein a connecting shaft (6) penetrates through the circle center of the protractor (1), the first handle (2) and the second handle (3) are L-shaped in the same structure, the right angle of the first handle (2) and the second handle (3) is sleeved on the connecting shaft (6) and is rotatably connected with the connecting shaft (6), the first handle (2) and the second handle (3) are arranged on the same horizontal plane, the long end of the second handle (3) is provided with scales, the zero point of the scales on the second handle (3) is arranged at the connecting shaft (6), the first handle (2) and the second handle (3) are arranged on the back of the protractor (1), and the short ends of the first handle (2) and the second handle (3) face oppositely when the long ends of the first handle (2) and the second handle (3) are overlapped, the utility model discloses a protractor, including pointer (4), connecting axle (6), pointer (4) one end and second handle (3), pointer (4) other end and second handle (3) long end fixed connection, pointer (4) axis is parallel with second handle (3) long end axis, still include with first handle (2) and second handle (3) short end mutually support and form parallelogram two measuring arms (7), articulated each other between the four limits of parallelogram, length chi (5) are equipped with bar hole (5-1) along length direction, length chi (5) are located through bar hole (5-1) cover on connecting axle (6), length chi (5) are located between protractor (1) and pointer (4), length chi (5) are equipped with the scale along length direction.

2. A comprehensive measurement device of cone size as claimed in claim 1, characterized in that: the protractor (1) comprises a first scale area (1-1) and a second scale area (1-2) which are sequentially arranged along the anticlockwise direction, the measuring ranges of the first scale area (1-1) and the second scale area (1-2) are both 0-90 degrees, and the 90-degree scale of the first scale area (1-1) is 0-degree scale of the second scale area (1-2).

3. A comprehensive measurement device of cone size as claimed in claim 2, characterized in that: the first handle (2) is fixedly connected with the protractor (1), and the short end of the first handle (2) points to the 0-degree scale of the first scale area (1-1).

4. A comprehensive measurement device of cone size as claimed in claim 3, characterized in that: the first handle (2) and the second handle (3) are detachably connected with clamping blocks (8) at the long ends, the two clamping blocks (8) are arranged oppositely, and two surfaces, close to each other, of the two clamping blocks (8) are cambered surfaces matched with the conical surfaces of the frustum.

5. A comprehensive measurement device of cone size as claimed in claim 3, characterized in that: and the two measuring arms (7) are respectively provided with a fitting block (9), and one surface of each fitting block (9) far away from the short ends of the first handle (2) and the second handle (3) is an arc surface matched with the taper hole.

6. A comprehensive measurement device of cone size as claimed in claim 3, characterized in that: one end of the long ruler (5) is provided with an extension rod (5-2) extending to the plane where the first handle (2) and the second handle (3) are located, and the axis of the extension rod (5-2) is parallel to the axis of the connecting shaft (6).