CN214199949U

CN214199949U - Detection tool for detecting cone angle of inner taper hole

Info

Publication number: CN214199949U
Application number: CN202120038815.4U
Authority: CN
Inventors: 刘富森; 龚大海; 黄远; 王开江; 龙行金
Original assignee: Sichuan Keleite Technology Co ltd
Current assignee: Sichuan Keleite Technology Co ltd
Priority date: 2021-01-07
Filing date: 2021-01-07
Publication date: 2021-09-14
Anticipated expiration: 2031-01-07

Abstract

The utility model relates to an examine utensil for detecting interior taper hole angle. Should examine utensil includes: the detection device is used for detecting the cone angle of the inner cone hole; the mounting piece is provided with an inner hole, the detection device is connected with the mounting piece, and a contact of the detection device is inserted into the inner hole; the control part is surveyed to elasticity, movably set up in the hole, elasticity is surveyed control part one end support in the contact, the other end salient in the installed part, in order to work as when the control part is surveyed to elasticity receives external force, elasticity is surveyed the control part and can be followed the axial lead direction motion of hole and extrusion the contact, and work as when external force disappears, elasticity is surveyed the control part and can be reset. The result accuracy that detects out through above-mentioned technical scheme is high, and efficient, can extensively be applicable to workshop or other places that need detect, has solved the problem that prior art exists.

Description

Detection tool for detecting cone angle of inner taper hole

Technical Field

The utility model relates to a gear check out test set technical field, concretely relates to an examine utensil for detecting interior taper hole cone angle.

Background

The current inner taper hole angle detection mode mainly has two kinds: 1. specific numerical values can be detected by means of special instruments, but the equipment is inconvenient and relatively low in efficiency; 2. the taper plug gauge is adopted to coat red lead powder, the joint area is observed, but specific numerical values cannot be detected, the judgment standard is relatively fuzzy, and the deviation is large.

Therefore, the existing instrument has the problems of inaccurate result and low efficiency when detecting the angle of the inner taper hole. Therefore, a more reasonable technical scheme is required to be provided to solve the technical problems in the prior art.

Disclosure of Invention

The utility model provides an examine utensil for detecting interior taper hole cone angle to adopt the unsafe problem of testing result that the internal diameter percentage table directly detected time measuring existence among the solution prior art.

In order to realize the above effect, the utility model discloses a technical scheme does:

a examine utensil for detecting interior taper hole cone angle, should examine utensil and include:

the detection device is used for detecting the cone angle of the inner cone hole;

the mounting piece is provided with an inner hole, the detection device is connected with the mounting piece, and a contact of the detection device is inserted into the inner hole;

the control part is surveyed to elasticity, movably set up in the hole, elasticity is surveyed control part one end support in the contact, the other end salient in the installed part, in order to work as when the control part is surveyed to elasticity receives external force, elasticity is surveyed the control part and can be followed the axial lead direction motion of hole and extrusion the contact, and work as when external force disappears, elasticity is surveyed the control part and can be reset.

In one possible design, the mount includes:

the tailstock is provided with the inner hole, and the detection device is connected to the tailstock; and

the shaft sleeve is sleeved on the periphery of the tailstock, and a flange used for limiting the movement range of the elastic measuring and controlling part is arranged on the inner wall of the shaft sleeve.

In a possible design, a clamping groove is arranged on the tailstock, a clamping table matched with the clamping groove is arranged on the shaft sleeve, and the shaft sleeve is clamped on the tailstock.

In a possible design, the periphery of the tailstock is provided with an external thread, the inner wall of the shaft sleeve is provided with an internal thread matched with the external thread, and the shaft sleeve is screwed on the tailstock.

In one possible design, the resilient test element comprises:

the installation piece is provided with a flange which is matched with the annular bulge so as to prevent the core rod from being separated; and

and the spring is sleeved on the core rod, one end of the spring abuts against the mounting piece, and the other end of the spring abuts against the annular bulge.

In one possible design, the detection device is detachably connected to the mounting member by a stop structure.

In one possible design, the limiting structure comprises a hoop and a plurality of limiting grooves arranged at the top of the mounting piece, the limiting grooves are uniformly arranged at intervals along the circumferential direction of the inner hole, each limiting groove extends along the length direction of the mounting piece so as to enable the inner hole at the top of the mounting piece to be contracted, and the detection device is arranged in the inner hole; the staple bolt set up in the installed part periphery is in order to hold tightly detection device.

In one possible design, the limiting structure includes a screw and a threaded hole provided on the mounting member, and the screw is connected to the threaded hole so as to abut against the detection device by tightening the screw.

In one possible design, the detection device is a dial indicator or a dial indicator.

In one possible design, the mounting and the spring control are both made of stainless steel.

Compared with the prior art, the beneficial effects of the utility model are that:

through the technical scheme, the elastic measuring and controlling part can be placed in the reference cone, and the bottom of the mounting part is made to be attached to the reference cone along the vertical direction, namely, the axial lead direction of the mounting part is made to be approximately parallel to the axial lead direction of the reference cone. Because the elastic measuring and controlling piece can stretch out and draw back, the elastic measuring and controlling piece can be tightly attached to the reference cone under the action of thrust, and the detection device can be set to be zero at the position. Afterwards, put into surveyed awl according to the same mode, receive the influence of surveyed awl cone angle difference, the bottom of installed part will be different with the axial distance of elasticity survey control piece, this difference passes through elasticity survey control piece reaction on detection device to can show directly perceivedly on detection device, so that the user observes. And the angle of the measured cone can be obtained through a calculation formula. The method has the advantages of high accuracy of the detected result, high efficiency and wide application to workshops or other places needing detection.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only show some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic overall structure diagram of a gauge for detecting the cone angle of an inner taper hole;

FIG. 2 is an enlarged schematic view of the structure of portion A of FIG. 1;

FIG. 3 is a schematic overall structure diagram of a checking fixture for detecting the taper angle of an inner taper hole, wherein FIG. 3 is different from FIG. 1 in that a limiting rod is located at a different position;

FIG. 4 is a schematic overall structure diagram of a gauge for detecting the cone angle of the inner taper hole in a working state;

FIG. 5 is a cross-sectional view of a fixture for detecting the taper angle of an inner taper hole;

FIG. 6 is a schematic view of a tailstock;

FIG. 7 is a block diagram of a reference cone;

FIG. 8 is a block diagram of a cone to be measured;

fig. 9 is a taper angle detection value comparison table.

In the above drawings, the meaning of each reference numeral is:

1-detection device, 2-installation piece, 21-tailstock, 22-shaft sleeve, 3-elasticity measurement and control piece, 31-core rod, 32-spring, 33-annular bulge, 41-clamping groove, 42-clamping table, 5-limiting structure, 51-limiting groove and 52-hoop.

Detailed Description

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

It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. Specific structural and functional details disclosed herein are merely illustrative of example embodiments of the invention. The present invention may, however, be embodied in many alternate forms and should not be construed as limited to the embodiments set forth herein.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments of the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises," "comprising," "includes," and/or "including," when used herein, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, numbers, steps, operations, elements, components, and/or groups thereof.

It should also be noted that, in some alternative implementations, the functions/acts noted may occur out of the order noted in the figures. For example, two figures shown in succession may, in fact, be executed substantially concurrently, or the figures may sometimes be executed in the reverse order, depending upon the functionality/acts involved.

In the following description, specific details are provided to facilitate a thorough understanding of example embodiments. However, it will be understood by those of ordinary skill in the art that the example embodiments may be practiced without these specific details. For example, systems may be shown in block diagrams in order not to obscure the examples in unnecessary detail. In other instances, well-known processes, structures and techniques may be shown without unnecessary detail in order to avoid obscuring example embodiments.

According to the specific embodiment of the disclosure, a detection tool for detecting the taper angle of the inner taper hole is provided, and the tooth crest diameter deviation of the inner gear ring 9 can be detected. Fig. 1 to 8 show one specific embodiment thereof.

Referring to fig. 1 to 8, the detection tool for detecting the taper angle of the inner taper hole comprises a detection device 1, a mounting part 2 and an elastic detection control part 3. The detection device 1 is used for detecting the cone angle of the inner cone hole. The mounting part 2, the mounting part 2 is equipped with the hole, detection device 1 with mounting part 2 links to each other, and detection device 1's contact is inserted and is located in the hole. The elastic measuring control piece 3 is movably arranged in the inner hole, one end of the elastic measuring control piece 3 is abutted against the contact, and the other end of the elastic measuring control piece is protruded out of the mounting piece 2, so that when the elastic measuring control piece 3 is subjected to external force, the elastic measuring control piece 3 can move along the axial lead direction of the inner hole and extrude the contact, and when the external force disappears, the elastic measuring control piece 3 can reset.

Through the technical scheme, the elastic measuring and controlling part 3 can be placed in the reference cone, and the bottom of the mounting part 2 is made to be attached to the reference cone along the vertical direction, namely, the axial lead direction of the mounting part 2 is made to be approximately parallel to the axial lead direction of the reference cone. The elastic measuring and controlling part 3 can stretch and contract, so that the elastic measuring and controlling part can be tightly attached to the reference cone under the action of thrust, and the detection device 1 can be set to be zero at the position. After that, put into the survey awl according to the same mode, receive the influence of survey awl cone angle difference, the axial distance of the bottom of installed part 2 and elasticity survey controlling part 3 will be different, and this difference is surveyed controlling part 3 reaction through elasticity and is on detection device 1 to can show directly perceivedly on detection device 1, so that the user observes. And the angle of the measured cone can be obtained through a calculation formula. The method has the advantages of high accuracy of the detected result, high efficiency and wide application to workshops or other places needing detection.

Specifically, for facilitating understanding of the present invention, referring to fig. 7 and 8, the diameter of the mounting member 2 can be D1, the diameter of the elastic measurement control member 3 is D2, the height of the reference cone in the axial direction is H1, the height of the cone to be measured in the axial direction is H2, the size deviation of the cone to be measured by the detecting device 1 (dial indicator reading) is Δ H, the angle of the taper of the reference cone is α, and the angle of the measured cone is β.

Referring to fig. 7 and 8, the calculation formula of the height of the reference cone in the axial direction is as follows: h = (a 1-a 2)/(2 × tan (a/2)), the height in the axial direction of the measured cone is calculated as H2= H +. DELTA.h, and the measured cone angle β =2arctan ((a 1-a 2)/(2 × (H +. DELTA.h))).

Example (c): the measured cone angle standard value is 80 ° ± 0.1 °, the actual reference cone is processed to the angle 80.020 °, the comparison table is made by the above formula calculation, as shown in fig. 9, when the measurement reading of the detection device 1 (for example, dial indicator) is + 0.01, the measured cone angle is 79.934 °, therefore, the measured cone angle is within the standard threshold range, and the angle of the measured cone is qualified.

In the embodiment of the present disclosure, the mounting member 2 may include a tailstock 21 and a bushing 22. The tailstock 21 is provided with the inner hole, and the detection device 1 is connected to the tailstock 21. The shaft sleeve 22 is sleeved on the periphery of the tailstock 21, and can facilitate installation of the detection device 1 and the elastic measurement component 3. The inner wall of the shaft sleeve 22 is provided with a flange for limiting the moving range of the elasticity measuring and controlling part 3, so that the elasticity measuring and controlling part 3 is prevented from being separated from the inner hole.

As an option, a clamping groove 41 is formed in the tailstock 21, a clamping table 42 adapted to the clamping groove 41 is formed in the shaft sleeve 22, and the shaft sleeve 22 is clamped to the tailstock 21, so that the shaft sleeve 22 and the tailstock 21 are connected into a whole in this way, and the tailstock-type connecting structure is simple in structure, convenient to operate and convenient to maintain.

Alternatively, the outer periphery of the tailstock 21 is provided with an external thread, the inner wall of the shaft sleeve 22 is provided with an internal thread matched with the external thread, and the shaft sleeve 22 is screwed with the tailstock 21, so that the shaft sleeve 22 and the tailstock 21 are connected into a whole in this way, and the structure is simple and the connection is reliable.

In an exemplary embodiment provided by the present disclosure, the elasticity measuring and controlling part 3 may include a core bar 31 and a spring 32. The core rod 31 is arranged in the inner hole, the annular protrusion 33 is arranged on the core rod 31, and the mounting piece 2 is provided with a flange matched with the annular protrusion 33 to prevent the core rod 31 from being separated. The spring 32 is sleeved on the core bar 31, one end of the spring 32 abuts against the mounting piece 2, and the other end abuts against the annular protrusion 33, so that the moving range of the spring 32 is limited. In this way, when the core rod 31 is subjected to a pressing force, the spring 32 can be compressed and push the contact of the detection device 1 to move, and then measurement of the dimensional deviation of the current cone to be measured is realized.

In one embodiment, the detecting device 1 can be detachably connected to the mounting member 2 through a limiting structure 5, thereby facilitating the disassembly and maintenance of the detecting device 1.

In one possible design, the limiting structure 5 may include a hoop 52 and a plurality of limiting grooves 51 disposed at the top of the mounting member 2, the limiting grooves 51 are disposed at regular intervals along the circumferential direction of the inner hole, and each limiting groove 51 extends along the length direction of the mounting member 2 to enable the inner hole at the top of the mounting member 2, in which the detecting device 1 is disposed, to be contracted; the anchor ear 52 is provided on the outer periphery of the mounting member 2 to hold the detection device 1 tightly, thereby realizing the mounting of the detection device 1. And adjust the staple bolt 52 pine back, the hole can relax after relieving the power of embracing tightly, can remove detection device 1 to be convenient for change other detection device 1 according to the actual detection demand.

In another possible design, the limiting structure 5 may comprise a screw and a threaded hole provided on the mounting member 2, the screw being connected to the threaded hole so that the screw abuts against the detection device 1 by tightening the screw, thereby maintaining the position of the detection device 1 relative to the mounting member 2. And through unscrewing the screw, can remove the top of supporting to detection device 1, be convenient for carry out dismouting and maintenance to detection device 1 according to the demand.

In the present disclosure, the detecting device 1 may be a dial indicator or a dial indicator.

In addition, in this disclosure installed part 2 with control 3 is surveyed to elasticity can be made by the stainless steel to guarantee these both wearability, and can avoid the corrosion, guarantee this measuring accuracy who examines utensil then.

The above embodiments are just examples of the present invention, but the present invention is not limited to the above alternative embodiments, and those skilled in the art can obtain other various embodiments by arbitrarily combining the above embodiments, and any one can obtain other various embodiments by the teaching of the present invention. The above detailed description should not be taken as limiting the scope of the invention, which is defined in the following claims, and which can be used to interpret the claims.

Claims

1. The utility model provides a examine utensil for detecting interior taper hole cone angle which characterized in that should examine utensil and include:

the detection device (1) is used for detecting the cone angle of the inner cone hole;

the mounting piece (2) is provided with an inner hole, the detection device (1) is connected with the mounting piece (2), and a contact of the detection device (1) is inserted into the inner hole; and

control part (3) is surveyed to elasticity, movably set up in the hole, elasticity is surveyed control part one end support in the contact, the other end salient in installed part (2), in order to work as when control part (3) is surveyed to elasticity receives external force, control part (3) can be followed to elasticity survey the axial lead direction motion of hole and extrusion the contact, and work as when external force disappears, control part (3) can reset is surveyed to elasticity.

2. The tool for detecting the angle of an internal taper hole according to claim 1, wherein the mounting member (2) comprises:

the tailstock (21) is provided with the inner hole, and the detection device (1) is connected to the tailstock (21); and

the shaft sleeve (22) is sleeved on the periphery of the tailstock (21), and a flange used for limiting the moving range of the elastic measuring and controlling piece (3) is arranged on the inner wall of the shaft sleeve (22).

3. The inspection device for detecting the taper angle of the inner taper hole according to claim 2, wherein a slot (41) is provided on the tail seat (21), a clamping table (42) adapted to the slot (41) is provided on the shaft sleeve (22), and the shaft sleeve (22) is clamped to the tail seat (21).

4. The tool for detecting the taper angle of the inner taper hole according to claim 2, wherein the tailstock (21) is provided with an external thread at the periphery thereof, the inner wall of the shaft sleeve (22) is provided with an internal thread adapted to the external thread, and the shaft sleeve (22) is screwed to the tailstock (21).

5. The tool for detecting the angle of the inner taper hole according to claim 1, wherein the elastic measuring and controlling member (3) comprises:

the core rod (31) is arranged in the inner hole, an annular protrusion (33) is arranged on the core rod (31), and a flange matched with the annular protrusion (33) is arranged on the mounting piece (2) to prevent the core rod (31) from being separated; and

and the spring (32) is sleeved on the core rod (31), one end of the spring (32) abuts against the mounting piece (2), and the other end of the spring (32) abuts against the annular bulge (33).

6. The tool for detecting the angle of an inner taper hole according to claim 1, wherein the detecting device (1) is detachably connected to the mounting member (2) by a limiting structure (5).

7. The tool for detecting the cone angle of the inner cone hole as claimed in claim 6, wherein the limiting structure (5) comprises a hoop (52) and a plurality of limiting grooves (51) arranged at the top of the mounting part (2), the limiting grooves (51) are arranged at regular intervals along the circumferential direction of the inner hole, each limiting groove (51) extends along the length direction of the mounting part (2) so as to enable the inner hole at the top of the mounting part (2) to be contracted, and the detecting device (1) is arranged in the inner hole; the hoop (52) is arranged on the periphery of the mounting piece (2) to hold the detection device (1) tightly.

8. The tool for detecting the angle of the inner taper hole according to claim 6, wherein the limiting structure (5) comprises a screw and a threaded hole provided on the mounting part (2), the screw is connected to the threaded hole, so that the screw abuts against the detecting device (1) by tightening the screw.

9. The detection tool for detecting the taper angle of the inner taper hole according to claim 1, wherein the detection device (1) is a dial indicator or a dial indicator.

10. The tool for detecting the angle of the inner taper hole according to claim 1, wherein the mounting member (2) and the elastic measuring control member (3) are made of stainless steel.