CN107345784B - Gearbox thread detection instrument of short-term test - Google Patents
Gearbox thread detection instrument of short-term test Download PDFInfo
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- CN107345784B CN107345784B CN201710760775.2A CN201710760775A CN107345784B CN 107345784 B CN107345784 B CN 107345784B CN 201710760775 A CN201710760775 A CN 201710760775A CN 107345784 B CN107345784 B CN 107345784B
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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
- G01B5/0002—Arrangements for supporting, fixing or guiding the measuring instrument or the object to be measured
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Force Measurement Appropriate To Specific Purposes (AREA)
- Length-Measuring Instruments Using Mechanical Means (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention discloses a rapid detection gearbox thread detection tool, which comprises: the device comprises a driving shaft, a driven shaft, a shell and a stop mechanism, wherein the driving shaft is arranged in the shell, one end of the driving shaft is provided with the driven shaft, and the driving shaft is connected with the driven shaft by the stop mechanism; the stop mechanism comprises a first connecting shaft piece, a second connecting shaft piece, stop pieces and springs, wherein the first connecting shaft piece is connected with a driving shaft by means of a key, the second connecting shaft piece is connected with a driven shaft by means of a key, one side of the second connecting shaft piece is provided with the stop pieces, two sides of the stop pieces are provided with the springs, and the second connecting shaft piece is provided with a check ring; the invention also discloses a working method of the detection tool. The method can rapidly and accurately detect the geometric parameters of the threads and judge the quality of the threads; and the rotation can be automatically stopped when the resistance is received, so that the detection tool is prevented from being blocked or damaged.
Description
Technical Field
The invention belongs to the field of thread detection equipment, and particularly relates to a gearbox thread detection tool for rapid detection.
Background
Screw thread is one of six simple machines invented by human at first, and with the progress of civilization of human beings and the development of scientific technology, screw thread fasteners have become indispensable mechanical parts. Threaded connections are the basis for connecting parts, and we can see threaded parts in almost all manufacturing industries, whose quality directly affects the usability of the product.
The mechanical properties of the threaded parts are related to materials and processing technology, and the processing quality of geometric parameters is also an important factor affecting the properties of the threaded parts. Therefore, the detection of the geometric parameters of the threads is an important step in the production process of the threaded parts. The threads are measured and analyzed, and assessment is given, so that the use of unqualified threads can be effectively reduced, and the connection failure can be prevented. The importance of the threads brings about a huge number of threads in the production process, so that a thread detection tool capable of rapidly and accurately detecting the threads is very necessary.
The existing thread detection tool mainly has the following problems:
1. most of existing thread detection tools use plug gauges or ring gauges, which completely depend on manpower, are low in detection speed and detection precision, the quality of the gauge is not easy to control, and misjudgment is often caused.
2. Most of the existing thread detection tools are not provided with a proper stop mechanism, the detection tools are easy to be blocked, and the detection tools cannot withdraw from threads.
Disclosure of Invention
The invention aims to: in order to overcome the defects, the invention aims to provide a rapid detection tool for detecting threads of a gearbox, which can rapidly and accurately detect geometric parameters of the threads and judge the quality of the threads; and the rotation can be automatically stopped when the resistance is received, so that the detection tool is prevented from being blocked or damaged.
The technical scheme is as follows: in order to achieve the above object, the present invention provides a rapid detection gearbox thread detection tool, comprising: the device comprises a driving shaft, a driven shaft, a shell and a stop mechanism, wherein the driving shaft is arranged in the shell, one end of the driving shaft is provided with the driven shaft, and the driving shaft is connected with the driven shaft by the stop mechanism; the stop mechanism comprises a first connecting shaft piece, a second connecting shaft piece, stop pieces and springs, wherein the first connecting shaft piece is connected with a driving shaft by means of a key, the second connecting shaft piece is connected with a driven shaft by means of a key, one side of the second connecting shaft piece is provided with the stop pieces, and the two sides of the stop pieces are provided with the springs.
The stop mechanism of the invention can automatically disconnect the connection between the driving shaft and the driven shaft when the screw gauge is blocked, thereby achieving the functions of distinguishing unqualified products and protecting the gauge
The second connecting shaft piece is a circular ring with outwards-arranged notch, the stop piece penetrates through the groove walls on two sides of the second connecting shaft piece, one end of the spring is provided with a stop block, and the stop block presses the stop piece by means of elasticity.
The arrangement of the spring and the stop block can fasten the stop block, so that the stop block does not autorotate when the thread gauge operates, and only torque is transmitted to the driven shaft to drive the driven shaft to rotate.
The inner wall of the first connecting shaft piece is provided with an arc-shaped groove.
In the arrangement of the arc-shaped groove, the stop piece provides a rotating space and provides moment.
The second connecting shaft piece is provided with a check ring, and the check ring is used for limiting the rotation angle of the stop piece.
The retainer ring is arranged, so that the rotation angle of the retainer is limited, the rotation angle of the retainer does not exceed +/-90 degrees, and the occurrence of a small probability event that the retainer cannot rotate due to equal stress moments on two sides is avoided.
The driven shaft is provided with a bearing, one end of the bearing is provided with a bearing spacer, and the bearing spacer is contacted with the shell.
The arrangement of the bearing in the present invention makes it unnecessary for the housing to rotate with the shaft, and an operator can grasp the thread detection tool through the housing.
The driven shaft is provided with threads at one end, the threaded part is a thread gauge, and preferably, the thread gauge is manufactured separately from the driven shaft and is connected with the driven shaft by virtue of a thread fixing ring.
The thread gauge provides a way for detecting threads for the detection tool, and the thread gauge and the driven shaft can be made into a whole, so that the thread gauge has the advantages of stable structure and difficult damage; the screw thread gauge can be fixed on the driven shaft through the screw thread fixing ring, and has the advantages that the screw thread gauge with different diameters can be replaced according to the requirement, and the screw thread gauge can be replaced when damaged.
One end of the driving shaft is provided with a synchronous pulley, and the synchronous pulley is connected with the power element.
The synchronous belt pulley is arranged, so that a way for connecting a power source is provided for the detection tool, and the synchronous belt pulley is connected with a motor to obtain power so as to drive the whole detection tool to operate.
The threads on the thread gauge are meshed with the threads in the qualified threaded hole, and whether the geometric parameters of the threaded hole are qualified or not is compared through the meshing with the threaded hole; when detecting the screw thread, the power element drives the synchronous belt pulley to rotate; the synchronous belt wheel drives the driving shaft to rotate through a key; the driving shaft drives the first connecting shaft to rotate through a key; the first connecting piece drives the stop piece to rotate; the stop piece receives spring resistance and converts self rotation moment into moment to the second connecting shaft piece to drive the second connecting shaft piece to rotate; the second connecting shaft piece drives the driven shaft to rotate through a key; the driven shaft drives the thread checking fixture to rotate through the thread fixing ring, and the thread checking fixture starts to detect threads.
The detection method can be used for rapidly screwing the screw into the screw thread and determining the specific geometric parameters of the screw thread, so that the purpose of judging whether the screw thread is qualified or not is achieved.
When the thread gauge is blocked, the thread gauge is subjected to a reverse moment, and the reverse moment is transmitted to the stop piece through the driven shaft and the second connecting shaft; the moment born by the stop piece is increased and exceeds the pressure given by the spring, the stop piece rotates and is separated from the first connecting shaft piece arc-shaped groove, so that the first connecting shaft piece is disconnected with the second connecting shaft piece, no power is transmitted to the thread gauge, and the thread gauge stops rotating.
According to the detection method, when the thread detection tool receives resistance, the stop piece is driven to be separated from the connection with the first connecting shaft piece, so that rotation of the driven shaft and the thread detection tool is stopped, and the purposes of judging that threads are unqualified and protecting the detection tool are achieved.
The technical scheme can be seen that the invention has the following beneficial effects:
1. according to the rapid detection gearbox thread detection tool, the synchronous belt wheel is driven to rotate through the motor, so that the detection tool can rotate, mechanical power is used for replacing manpower to finish screwing in and screwing out of the thread detection tool, manpower resources are saved, the detection speed is increased, and the detection accuracy is improved.
2. According to the rapid detection gearbox thread detection tool, the purpose of rotating or stopping the thread detection tool is achieved by controlling the connection state between the stop piece and the first connecting piece, so that an operator can confirm unqualified threads at the first time, the detection time is shortened, the detection result is clear at a glance, and the situation of disputing the detection result does not occur.
3. The rapid detection gearbox thread detection tool provided by the invention can stop rotating in time when the thread detection tool is subjected to resistance, so that the detection tool is protected, and the service life of the detection tool is prolonged.
4. The quick detection gearbox thread detection tool provided by the invention has the advantages that the thread detection tool with different diameters can be replaced according to the needs by using a mode that the detection tool part is separated from the driven shaft to replace a single threaded shaft, and the thread detection tool can be replaced when damaged.
Drawings
FIG. 1 is a cross-sectional view of a preferred overall construction of the present invention;
FIG. 2 is a cross-sectional view of the overall structure of the present invention;
FIG. 3 is a schematic view of a stop mechanism according to the present invention;
FIG. 4 is a schematic diagram of the normal detection of the present invention;
FIG. 5 is a schematic diagram of the present invention in a stalling condition;
in the figure: the device comprises a driving shaft-1, a driven shaft-2, a shell-3, a first connecting shaft piece-4, a second connecting shaft piece-5, a stop piece-6, a spring-7, a retainer ring-8, a bearing-9, a thread checking tool-10 and a synchronous pulley-11.
Detailed Description
The invention is further elucidated below in connection with the drawings and the specific embodiments.
Example 1
A rapid inspection gearbox thread inspection tool as shown in fig. 1, characterized in that: comprising the following steps: the driving device comprises a driving shaft 1, a driven shaft 2, a shell 3 and a stop mechanism, wherein the driving shaft 1 is arranged in the shell 3, one end of the driving shaft 1 is provided with the driven shaft 2, and the driving shaft 1 and the driven shaft 2 are connected by the stop mechanism; the stop mechanism comprises a first connecting shaft 4, a second connecting shaft 5, a stop piece 6 and springs 7, wherein the first connecting shaft 4 is connected with the driving shaft 1 by means of a key, the second connecting shaft 5 is connected with the driven shaft 2 by means of a key, one side of the second connecting shaft 5 is provided with the stop piece 6, and two sides of the stop piece 6 are provided with the springs 7.
The second coupling 5 in this embodiment is a ring with an outward notch, the stop member 6 passes through the groove walls on both sides of the second coupling 5, and one end of the spring 7 is provided with a stop member, and the stop member 6 is pressed by elastic force.
The first connecting member 4 described in this embodiment is provided with an arc-shaped groove on the inner wall.
The second coupling 5 in this embodiment is provided with a retainer ring 8, and the retainer ring 8 is used to limit the rotation angle of the stopper 6.
The driven shaft 2 in this embodiment is provided with a bearing 9, one end of the bearing 9 is provided with a bearing spacer, and the bearing spacer contacts with the housing 3.
In this embodiment, one end of the driven shaft 2 is connected with a thread gauge 10, and the thread gauge 10 is connected with the driven shaft 2 by means of a thread fixing ring.
One end of the driving shaft 1 in the embodiment is provided with a synchronous pulley 11, and the synchronous pulley 11 is connected with a power element.
Example 2
A rapid inspection gearbox thread inspection tool as shown in fig. 2, characterized in that: comprising the following steps: the driving device comprises a driving shaft 1, a driven shaft 2, a shell 3 and a stop mechanism, wherein the driving shaft 1 is arranged in the shell 3, one end of the driving shaft 1 is provided with the driven shaft 2, and the driving shaft 1 and the driven shaft 2 are connected by the stop mechanism; the stop mechanism comprises a first connecting shaft 4, a second connecting shaft 5, a stop piece 6 and springs 7, wherein the first connecting shaft 4 is connected with the driving shaft 1 by means of a key, the second connecting shaft 5 is connected with the driven shaft 2 by means of a key, one side of the second connecting shaft 5 is provided with the stop piece 6, and two sides of the stop piece 6 are provided with the springs 7.
One end of the driven shaft 2 in the embodiment is provided with a standard thread, and the thread is used for thread detection.
Example 3
A rapid inspection gearbox thread inspection tool as shown in fig. 4, wherein: comprising the following steps: the driving device comprises a driving shaft 1, a driven shaft 2, a shell 3 and a stop mechanism, wherein the driving shaft 1 is arranged in the shell 3, one end of the driving shaft 1 is provided with the driven shaft 2, and the driving shaft 1 and the driven shaft 2 are connected by the stop mechanism; the stop mechanism comprises a first connecting shaft 4, a second connecting shaft 5, a stop piece 6 and springs 7, wherein the first connecting shaft 4 is connected with the driving shaft 1 by means of a key, the second connecting shaft 5 is connected with the driven shaft 2 by means of a key, one side of the second connecting shaft 5 is provided with the stop piece 6, and two sides of the stop piece 6 are provided with the springs 7.
The detection method of the rapid detection gearbox thread detection tool in the embodiment comprises the following steps: the threads on the thread gauge 10 are meshed with the threads in the qualified threaded hole, and whether the geometric parameters of the threaded hole are qualified or not is compared through the meshing with the threaded hole; when detecting threads, the power element drives the synchronous pulley 11 to rotate; the synchronous pulley 11 drives the driving shaft 1 to rotate through a key; the driving shaft 1 drives the first connecting shaft piece 4 to rotate through a key; the first connecting piece 4 drives the stop piece 6 to rotate; the stop piece 6 receives the resistance of the spring 7, converts the self rotation moment into the moment to the second connecting shaft piece 5, and drives the second connecting shaft piece 5 to rotate; the second connecting shaft piece 5 drives the driven shaft 2 to rotate through a key; the driven shaft 2 drives the thread checking fixture 10 to rotate through the thread fixing ring, and the thread checking fixture 10 starts to detect threads.
Example 4
A rapid inspection gearbox thread inspection tool as shown in fig. 5, comprising: the driving device comprises a driving shaft 1, a driven shaft 2, a shell 3 and a stop mechanism, wherein the driving shaft 1 is arranged in the shell 3, one end of the driving shaft 1 is provided with the driven shaft 2, and the driving shaft 1 and the driven shaft 2 are connected by the stop mechanism; the stop mechanism comprises a first connecting shaft 4, a second connecting shaft 5, a stop piece 6 and springs 7, wherein the first connecting shaft 4 is connected with the driving shaft 1 by means of a key, the second connecting shaft 5 is connected with the driven shaft 2 by means of a key, one side of the second connecting shaft 5 is provided with the stop piece 6, and two sides of the stop piece 6 are provided with the springs 7.
The detection method of the rapid detection gearbox thread detection tool in the embodiment comprises the following steps: the threads on the thread gauge 10 are meshed with the threads in the qualified threaded hole, and whether the geometric parameters of the threaded hole are qualified or not is compared through the meshing with the threaded hole; when the thread gauge 10 is blocked, the thread gauge 10 receives a reverse moment, and the reverse moment is transmitted to the stop piece 6 through the driven shaft 2 and the second connecting shaft 5; the moment born by the stop piece 6 is increased and exceeds the pressure given by the spring, the stop piece 6 rotates and is separated from the arc-shaped groove of the first connecting shaft piece 4, so that the first connecting shaft piece 4 is disconnected with the second connecting shaft piece 5, no power is transmitted to the thread gauge 10, and the thread gauge 10 stops rotating.
The foregoing is merely a preferred embodiment of the invention, and it should be noted that modifications could be made by those skilled in the art without departing from the principles of the invention, which modifications would also be considered to be within the scope of the invention.
Claims (2)
1. Gearbox thread detection instrument of short-term test, its characterized in that: comprising the following steps: the driving device comprises a driving shaft (1), a driven shaft (2), a shell (3) and a stop mechanism, wherein the driving shaft (1) is arranged in the shell (3), the driven shaft (2) is arranged at one end of the driving shaft (1), and the driving shaft (1) is connected with the driven shaft (2) through the stop mechanism;
the stop mechanism comprises a first connecting shaft (4), a second connecting shaft (5), a stop piece (6) and springs (7), wherein the first connecting shaft (4) is connected with the driving shaft (1) by means of a key, the second connecting shaft (5) is connected with the driven shaft (2) by means of a key, one side of the second connecting shaft (5) is provided with the stop piece (6), and two sides of the stop piece (6) are provided with the springs (7);
the second connecting shaft piece (5) is a circular ring with an outward notch, the stop piece (6) penetrates through the groove walls at two sides of the second connecting shaft piece (5), a stop block is arranged at one end of the spring (7), and the stop block presses the stop piece (6) by virtue of elasticity;
an arc-shaped groove is formed in the inner wall of the first connecting shaft piece (4);
a retainer ring (8) is arranged on the second connecting shaft piece (5), and the retainer ring (8) is used for limiting the rotation angle of the stop piece (6);
the driven shaft (2) is provided with a bearing (9), one end of the bearing (9) is provided with a bearing spacer, and the bearing spacer is contacted with the shell (3);
one end of the driven shaft (2) is provided with threads, the thread part is a thread gauge (10), the thread gauge (10) is manufactured separately from the driven shaft, and the thread gauge (10) is connected with the driven shaft (2) by means of a thread fixing ring;
one end of the driving shaft (1) is provided with a synchronous pulley (11), and the synchronous pulley (11) is connected with a power element;
the working method of the gearbox thread detection tool for rapid detection comprises the following steps: the threads on the thread gauge (10) are meshed with the threads in the qualified threaded hole, and whether the geometric parameters of the threaded hole are qualified or not is compared through the meshing with the threaded hole; when detecting threads, the power element drives the synchronous pulley (11) to rotate; the synchronous belt wheel (11) drives the driving shaft (1) to rotate through a key; the driving shaft (1) drives the first connecting shaft piece (4) to rotate through a key; the first connecting piece (4) drives the stop piece (6) to rotate; the stop piece (6) receives the resistance of the spring (7) to convert the self rotation moment into the moment to the second connecting shaft piece (5) to drive the second connecting shaft piece (5) to rotate; the second connecting shaft (5) drives the driven shaft (2) to rotate through a key; the driven shaft (2) drives the thread checking fixture (10) to rotate through the thread fixing ring, and the thread checking fixture (10) starts to detect threads.
2. The method for quickly detecting the threads of the gearbox according to claim 1, wherein the method comprises the following steps: when the thread gauge (10) is blocked, the thread gauge (10) receives a reverse moment, and the reverse moment is transmitted to the stop piece (6) through the driven shaft (2) and the second connecting shaft (5); the moment born by the stop piece (6) is increased and exceeds the pressure given by the spring, the stop piece (6) rotates and is separated from the arc-shaped groove of the first connecting shaft piece (4), the first connecting shaft piece (4) is disconnected with the second connecting shaft piece (5), no power is transmitted to the thread gauge (10), and the thread gauge (10) stops rotating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710760775.2A CN107345784B (en) | 2017-08-30 | 2017-08-30 | Gearbox thread detection instrument of short-term test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710760775.2A CN107345784B (en) | 2017-08-30 | 2017-08-30 | Gearbox thread detection instrument of short-term test |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107345784A CN107345784A (en) | 2017-11-14 |
| CN107345784B true CN107345784B (en) | 2023-05-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710760775.2A Active CN107345784B (en) | 2017-08-30 | 2017-08-30 | Gearbox thread detection instrument of short-term test |
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| CN (1) | CN107345784B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108151616A (en) * | 2017-12-25 | 2018-06-12 | 东莞市森川机械工具有限公司 | A kind of big screw pitch internal thread quality testing assembly |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS597242A (en) * | 1982-07-06 | 1984-01-14 | Daido Steel Co Ltd | Method and device for inspecting fitting of screw thread |
| CN103528537A (en) * | 2013-10-28 | 2014-01-22 | 天津摩尔工程材料实验室 | Thread detection device |
| CN104482822B (en) * | 2015-01-04 | 2017-09-08 | 河南北方星光机电有限责任公司 | A kind of logical thread gage device |
| CN206056480U (en) * | 2016-08-15 | 2017-03-29 | 西安伊克赛尔汽车新技术有限公司 | Thread measurement instrument |
| CN207501804U (en) * | 2017-08-30 | 2018-06-15 | 太仓市凯福士机械有限公司 | A kind of easily gearbox thread measurement tool |
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- 2017-08-30 CN CN201710760775.2A patent/CN107345784B/en active Active
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Denomination of invention: A Rapid Transmission Thread Detection Tool Effective date of registration: 20230712 Granted publication date: 20230526 Pledgee: China Construction Bank Taicang branch Pledgor: TAICANG KAI FU SHI MACHINE CO.,LTD. Registration number: Y2023980048317 |