CN114909982B - Thread phase angle detection device - Google Patents
Thread phase angle detection device Download PDFInfo
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- CN114909982B CN114909982B CN202210705376.7A CN202210705376A CN114909982B CN 114909982 B CN114909982 B CN 114909982B CN 202210705376 A CN202210705376 A CN 202210705376A CN 114909982 B CN114909982 B CN 114909982B
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- spiral sleeve
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- ratchet
- floating tooth
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- 238000001514 detection method Methods 0.000 title claims abstract description 26
- 238000007667 floating Methods 0.000 claims abstract description 78
- 230000009471 action Effects 0.000 claims description 8
- 230000007246 mechanism Effects 0.000 claims description 6
- 239000011295 pitch Substances 0.000 claims 3
- 238000005259 measurement Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000003754 machining Methods 0.000 description 3
- 238000005553 drilling Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Classifications
-
- 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
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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
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
Abstract
The invention relates to a thread phase angle detection device, which belongs to the technical field of thread phase angle detection and comprises a spiral sleeve with the same screw pitch as a part to be detected and a limiting plate which is positioned at the front end of the spiral sleeve and is vertically arranged with the spiral sleeve, wherein the limiting plate is provided with a phase indication structure for indicating the initial phase of the spiral sleeve; the floating tooth type guide hole is internally provided with a floating tooth type with a tooth type angle matched with the tooth type angle of the part to be detected, one end of the spiral sleeve, which is far away from the limiting plate, is provided with ratchet teeth, and the ratchet teeth are matched with a ratchet assembly sleeved on the spiral sleeve so as to provide reasonable operation torque, so that accurate detection of the thread phase angle is realized.
Description
Technical Field
The invention belongs to the technical field of thread phase angle detection, and relates to a thread phase angle detection device.
Background
At present, in the common thread fastening technology, fastening and positioning are separately arranged, namely, the thread screwing fixation and the positioning in the appointed direction can only be selected from two, and the fastening after the thread rotates by the appointed angle is difficult to realize. However, in some products, both fastening and circumferential positioning are required, and the direction of the phase angle of the thread must be strictly controlled, so that the prior art cannot meet the measurement requirements.
For example, in the processing process of the mining forward and backward rotation drill rod, not only the connection screwing and reliability of threads are ensured, but also the positioning accuracy of a phase angle is ensured, and the matching of the phase angle of the threads and the backward rotation positioning device is realized. The existing thread machining positioning method cannot accurately detect the thread phase angle, and only can realize matching of the forward and reverse rotation drill rod thread phase angle and the reverse rotation device in a matching mode, so that the machined drill rod threaded joint has no interchangeability.
Disclosure of Invention
In view of this, it is an object of the present application to provide a thread phase angle detection device to achieve accurate detection of a thread phase angle.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the screw thread phase angle detection device comprises a screw sleeve with the same screw pitch as the part to be detected and a limiting plate which is positioned at the front end of the screw sleeve and is vertically arranged with the screw sleeve, wherein the limiting plate is provided with a phase indication structure for indicating the initial phase of the screw sleeve, a plurality of floating tooth-shaped guide holes which are uniformly distributed along the screw line and are distributed on the limiting plate at equal intervals are formed in the screw sleeve, one row of floating tooth-shaped guide holes is consistent with the indication direction of the phase indication structure, and the distance between the floating tooth-shaped guide holes in the row of floating tooth-shaped guide holes and the limiting plate is integral multiple of the screw pitch and is closer to the floating tooth-shaped guide holes in the row of floating tooth-shaped guide holes; a floating tooth form with tooth form angles matched with those of the part to be measured is arranged in the floating tooth form guide hole, and the tooth form angles of the floating tooth form extend out of the inner wall of the spiral sleeve; the floating tooth type can move along the axial direction of the floating tooth type guide hole under the action of external force and reset under the action of the reset mechanism; one end of the spiral sleeve, which is far away from the limiting plate, is provided with ratchet teeth which are matched with a ratchet assembly sleeved on the spiral sleeve.
Optionally, one end of the spiral sleeve, which is close to the limiting plate, is provided with a normal surface passing through the initial reference tooth-shaped guide hole.
Optionally, the normal plane is substituted for the phase indication structure.
Optionally, the phase indication structure is a direction indicator disposed on the limiting plate.
Optionally, the limiting plate is strip-shaped, and one end of the limiting plate is cone-shaped to form the phase indication structure.
Optionally, the distance between the initial reference tooth-shaped guide hole and the limiting plate is one time of the pitch of the spiral sleeve.
Optionally, the reset mechanism comprises a floating tooth type reset spring sleeved on the floating tooth type, one end of the floating tooth type reset spring, far away from a tooth type angle of the floating tooth type, is limited by a fixed seat fixed on the circumference of the spiral sleeve, and the other end of the floating tooth type reset spring is limited by a limiting step positioned on the floating tooth type.
Optionally, the ratchet assembly comprises a ratchet rotating sleeve sleeved on the spiral sleeve and a ratchet plate arranged on the ratchet rotating sleeve, the ratchet plate is matched with ratchet teeth of the spiral sleeve, a limit column is arranged at one end, far away from the ratchet teeth, of the ratchet plate, and a ratchet plate reset spring is sleeved on the limit column.
The invention has the beneficial effects that: the reliable detection of the thread phase angle is realized, the detection can be completed when the part to be detected is in the state of being clamped in the prior art, the control of the machining precision of the phase angle of the positive and negative rotation drilling rod is facilitated, and the machining accuracy of the positive and negative rotation drilling rod is guaranteed.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objects and other advantages of the invention may be realized and obtained by means of the instrumentalities and combinations particularly pointed out in the specification.
Drawings
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in the following preferred detail with reference to the accompanying drawings, in which:
FIG. 1 is a schematic diagram of a thread phase angle detection device;
fig. 2 is a schematic structural diagram of a thread phase angle detection device;
FIG. 3 is a schematic structural view of a screw sleeve;
FIG. 4 is a schematic structural view of a torque assembly;
fig. 5 is a schematic diagram showing a measurement state of the screw phase angle detection device.
Reference numerals: the ratchet wheel comprises a spiral sleeve 1, a limiting plate 2, a floating tooth type 3, a screw 4, a ratchet wheel assembly 5, a floating tooth type guide hole 11, a normal surface 12, a floating tooth type mounting hole 13, ratchet wheel teeth 14, a tooth type cone 31, a floating tooth type reset spring 32, a fixed seat 33, a ratchet wheel rotating sleeve 51, a ratchet wheel plate 52, a ratchet wheel plate reset spring 53 and a limiting post 54.
Detailed Description
Other advantages and effects of the present invention will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present invention with reference to specific examples. The invention may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present invention. It should be noted that the illustrations provided in the following embodiments merely illustrate the basic idea of the present invention by way of illustration, and the following embodiments and features in the embodiments may be combined with each other without conflict.
Wherein the drawings are for illustrative purposes only and are shown in schematic, non-physical, and not intended to limit the invention; for the purpose of better illustrating embodiments of the invention, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the size of the actual product; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numbers in the drawings of embodiments of the invention correspond to the same or similar components; in the description of the present invention, it should be understood that, if there are terms such as "upper", "lower", "left", "right", "front", "rear", etc., that indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, but not for indicating or suggesting that the referred device or element must have a specific azimuth, be constructed and operated in a specific azimuth, so that the terms describing the positional relationship in the drawings are merely for exemplary illustration and should not be construed as limiting the present invention, and that the specific meaning of the above terms may be understood by those of ordinary skill in the art according to the specific circumstances.
Referring to fig. 1 to 5, a thread phase angle detection device comprises a spiral sleeve 1 provided with internal threads and having the spiral line of the internal threads equal to the pitch of a part to be detected, and a limiting plate 2 positioned at the front end of the spiral sleeve 1 and vertically arranged with the spiral sleeve, wherein the limiting plate 2 is provided with a phase indication structure for indicating the initial phase of the spiral sleeve 1, a plurality of floating tooth-shaped guide holes 11 which are uniformly distributed along the spiral line of the spiral sleeve and are uniformly distributed on the limiting plate 2 in a projection manner, and one row of floating tooth-shaped guide holes is consistent with the indication direction of the phase indication structure, and the floating tooth-shaped guide holes which are positioned in the row of floating tooth-shaped guide holes and have the distance of integer times of the pitch and are closer to the limiting plate 2 are initial reference tooth-shaped guide holes; a floating tooth form 3 with a tooth form angle matched with that of the part to be measured is arranged in the floating tooth form guide hole 11, and the tooth form angle of the floating tooth form 3 extends out of the inner wall of the spiral sleeve 1; the floating tooth form 3 can move along the axial direction of the floating tooth form guide hole 11 under the action of external force and reset under the action of a reset mechanism; the end of the spiral sleeve 1 far away from the limiting plate 2 is provided with ratchet teeth 14, and the ratchet teeth 14 are matched with the ratchet assembly 5 sleeved on the spiral sleeve 1.
The normal surface 12 passing through the initial reference tooth-shaped guide hole is arranged at one end of the spiral sleeve 1, which is close to the limiting plate 2, so that the spiral sleeve is convenient to be matched with a related reference to finish the measurement of a phase angle, and the normal surface 12 can be used for replacing a phase indication structure.
The limiting plate 2 is strip-shaped, and one end of the limiting plate is conical to form a phase indication structure; the phase indication structure may also be a direction indicator needle arranged on the limiting plate 2.
The distance between the initial reference tooth guide hole and the limiting plate 2 is preferably one time of the pitch of the spiral sleeve 1 so as to reduce accumulated errors.
The reset mechanism comprises a floating tooth type reset spring 32 sleeved on a floating tooth type 3, one end of the floating tooth type reset spring 32, which is far away from a tooth type angle 31 of the floating tooth type 3, is limited by a fixed seat 33 fixed on the circumferential direction of the spiral sleeve 1, and the other end of the floating tooth type reset spring is limited by a limiting step positioned on the floating tooth type 3.
The ratchet assembly 5 comprises a ratchet rotating sleeve 51 sleeved on the spiral sleeve 1 and a ratchet plate 52 arranged on the ratchet rotating sleeve 51, wherein the ratchet plate 52 is matched with ratchet teeth 14 of the spiral sleeve 1, one end, far away from the ratchet teeth 14, of the ratchet plate 52 is provided with a limit post 54, and the limit post 54 is sleeved with a ratchet plate reset spring 53.
The working principle of the invention is as follows: and forming a detection gauge by adopting a plurality of floating tooth forms 3 matched with the tooth form angles of the screw to be detected, wherein the tooth form angles of the detection gauge are matched with the screw of the part to be detected. When the part to be measured rotates to be in contact with the end face of the limiting plate 2, in a row of tooth-shaped holes corresponding to the phase position indication structure of the limiting plate 2, a floating tooth-shaped guide hole which is an integral multiple of the pitch and is close to the spacing t of the limiting plate 2 is used as an initial reference tooth-shaped guide hole, namely a thread initial phase angle cutting initial point, so that the measurement of the thread initial phase angle is completed, and the change of the initial phase angle is completed according to the thread neutral line adjustable principle so as to meet the precision requirement of the initial phase angle. The invention can realize the detection of the initial phase angle of the thread and can meet the control of the processing precision of the initial phase angle of the thread.
Examples
The screw phase angle detection device mainly comprises a screw sleeve 1, a limiting plate 2, a floating tooth type 3, a screw 4 and a ratchet wheel assembly 5, wherein the structures and the relative position relations of the parts are as follows.
The spiral sleeve 1 is used for installing a floating tooth type 3, as shown in fig. 3, a plurality of floating tooth type guide holes 11 and floating tooth type installation holes 13 coaxial with the floating tooth type guide holes 11 are arranged on the spiral sleeve, the floating tooth type guide holes 11 are uniformly distributed along a spiral line equal to the screw pitch of a part to be tested, the spiral sleeve is uniformly distributed on the projection circumference of the end face, and the distance between the initial reference tooth type guide hole and the limiting plate 2 is one time of the screw pitch of the spiral sleeve 1. One end of the spiral sleeve 1, which is close to the limiting plate 2, is provided with a normal surface 12 passing through the initial reference tooth type guide hole, and the other end of the spiral sleeve is circumferentially provided with ratchet teeth 14.
The floating tooth type 3 is arranged on the spiral sleeve 1, the angle alpha of the tooth type angle 31 of the floating tooth type 3 is the same as the tooth type angle of the measured thread, the floating tooth type 3 is in a step shape and can move along the floating tooth type guide hole 11, a floating tooth type reset spring 32 is sleeved on the floating tooth type reset spring, the front end of the floating tooth type reset spring 32 is limited through a limiting step arranged on the floating tooth type 3, the rear end of the floating tooth type reset spring is limited through a fixed seat 33 fixed on the spiral sleeve 1, the fixed seat 33 bears the elasticity of the compression spring, the floating tooth type 3 can move along the floating tooth type guide hole 11 under the action of the elasticity, and the tooth type angle 31 of the floating tooth type 3 is meshed with the thread type during measurement.
One end of the limiting plate 2 is conical, is an indication mark of the initial phase angle of the thread, is used for limiting the axial direction of the part to be tested, and is connected with the spiral sleeve 1 through the screw 4.
The torque assembly 5, as shown in fig. 4, mainly comprises a ratchet wheel rotating sleeve 51, a ratchet wheel plate 52, a ratchet wheel plate return spring 53 and a limit post 54, and is reasonable in control rotation torque, so that the floating tooth form 3 is ensured to be in effective contact with the two sides of the threaded surface of the part to be measured, and meanwhile, the phenomenon that the center of the floating tooth form 3 deviates from the threaded center and the measurement error is overlarge due to overlarge torque is avoided.
After the assembly of the embodiment is completed, the center of the tooth form angle 31 of the floating tooth form 3 forms a spiral line with the same pitch as the measured thread. The initial phase angle of the thread is measured as follows:
as shown in fig. 5, the detecting device is a, the part to be detected is B, the opening end of the detecting device is gradually screwed into the spiral groove of the part to be detected, the tooth-shaped angle 31 of the floating tooth-shaped 3 is meshed with the spiral groove to be detected under the action of the spring, when the end face of the part to be detected is contacted with the limiting plate 2, the ratchet rings 3 times, the limiting plate 2 is indicated to be contacted with the end face of the part to be detected, meanwhile, the floating tooth-shaped 3 is contacted with two sides of the spiral to be detected, if the ratchet rings more than 3 times, the reverse rotation is performed, the spiral is performed again, the contact of the corresponding surface is ensured, and meanwhile, excessive screwing can be avoided; the orientation of the limiting plate 2, i.e. the position of the start phase angle normal surface 12, is the start angle of the spiral.
Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the present invention, which is intended to be covered by the claims of the present invention.
Claims (6)
1. A thread phase angle detection device, characterized in that: the device comprises a spiral sleeve with equal screw pitches of a spiral line and a part to be measured and a limiting plate which is positioned at the front end of the spiral sleeve and is vertically arranged with the spiral sleeve, wherein the limiting plate is provided with a phase indication structure for indicating the initial phase of the spiral sleeve, a plurality of floating tooth-shaped guide holes which are uniformly distributed along the spiral line and are distributed at equal intervals on the limiting plate in a projection manner, one row of floating tooth-shaped guide holes is consistent with the indication direction of the phase indication structure, and the floating tooth-shaped guide holes which are positioned in the row of floating tooth-shaped guide holes and have the distance which is integral multiple of the screw pitches and are closer to the limiting plate are initial reference tooth-shaped guide holes; a floating tooth form with tooth form angles matched with those of the part to be measured is arranged in the floating tooth form guide hole, and the tooth form angles of the floating tooth form extend out of the inner wall of the spiral sleeve; the floating tooth type can move along the axial direction of the floating tooth type guide hole under the action of external force and reset under the action of the reset mechanism; one end of the spiral sleeve, which is far away from the limiting plate, is provided with ratchet teeth which are matched with a ratchet assembly sleeved on the spiral sleeve; the reset mechanism comprises a floating tooth type reset spring sleeved on the floating tooth type, one end of the floating tooth type reset spring, which is far away from the tooth type angle of the floating tooth type, is limited by a fixed seat fixed on the circumferential direction of the spiral sleeve, and the other end of the floating tooth type reset spring is limited by a limiting step positioned on the floating tooth type; the ratchet assembly comprises a ratchet rotating sleeve sleeved on the spiral sleeve and a ratchet plate arranged on the ratchet rotating sleeve, the ratchet plate is matched with ratchet teeth of the spiral sleeve, one end, far away from the ratchet teeth, of the ratchet plate is provided with a limit column, and the limit column is sleeved with a ratchet plate reset spring.
2. A thread phase angle detection apparatus as claimed in claim 1, wherein: one end of the spiral sleeve, which is close to the limiting plate, is provided with a normal surface passing through the initial reference tooth-shaped guide hole.
3. A thread phase angle detection apparatus as claimed in claim 2, wherein: the normal plane is used to replace the phase indication structure.
4. A thread phase angle detection apparatus as claimed in claim 1, wherein: the phase indication structure is a direction indication needle arranged on the limiting plate.
5. A thread phase angle detection apparatus as claimed in claim 1, wherein: the limiting plate is strip-shaped, and one end of the limiting plate is conical so as to form a phase indication structure.
6. A thread phase angle detection apparatus as claimed in claim 1, wherein: the distance between the initial reference tooth-shaped guide hole and the limiting plate is one-time pitch of the spiral sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210705376.7A CN114909982B (en) | 2022-06-21 | 2022-06-21 | Thread phase angle detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210705376.7A CN114909982B (en) | 2022-06-21 | 2022-06-21 | Thread phase angle detection device |
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| Publication Number | Publication Date |
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| CN114909982A CN114909982A (en) | 2022-08-16 |
| CN114909982B true CN114909982B (en) | 2024-04-02 |
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| CN202210705376.7A Active CN114909982B (en) | 2022-06-21 | 2022-06-21 | Thread phase angle detection device |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101093158A (en) * | 2007-07-20 | 2007-12-26 | 上海应用技术学院 | Device of measuring internal thread |
| CN205002690U (en) * | 2015-10-09 | 2016-01-27 | 中铁隆昌铁路器材有限公司 | Coarse pitch thread profile gauge rule |
| CN207437558U (en) * | 2017-01-10 | 2018-06-01 | 宝鸡文理学院 | The multi-thread new-type screw thread of compound tooth form |
| CN112871737A (en) * | 2021-01-12 | 2021-06-01 | 中煤科工集团西安研究院有限公司 | Pipe fitting internal thread detection method based on sensor, pipe fitting screening method and system |
| KR20210073922A (en) * | 2019-12-11 | 2021-06-21 | 일륭기공(주) | Thread bore measuring device |
| CN213714123U (en) * | 2020-12-18 | 2021-07-16 | 北京福田康明斯发动机有限公司 | Bolt detects appurtenance |
| CN217465649U (en) * | 2022-06-21 | 2022-09-20 | 中煤科工集团重庆研究院有限公司 | Thread phase angle detection structure |
-
2022
- 2022-06-21 CN CN202210705376.7A patent/CN114909982B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101093158A (en) * | 2007-07-20 | 2007-12-26 | 上海应用技术学院 | Device of measuring internal thread |
| CN205002690U (en) * | 2015-10-09 | 2016-01-27 | 中铁隆昌铁路器材有限公司 | Coarse pitch thread profile gauge rule |
| CN207437558U (en) * | 2017-01-10 | 2018-06-01 | 宝鸡文理学院 | The multi-thread new-type screw thread of compound tooth form |
| KR20210073922A (en) * | 2019-12-11 | 2021-06-21 | 일륭기공(주) | Thread bore measuring device |
| CN213714123U (en) * | 2020-12-18 | 2021-07-16 | 北京福田康明斯发动机有限公司 | Bolt detects appurtenance |
| CN112871737A (en) * | 2021-01-12 | 2021-06-01 | 中煤科工集团西安研究院有限公司 | Pipe fitting internal thread detection method based on sensor, pipe fitting screening method and system |
| CN217465649U (en) * | 2022-06-21 | 2022-09-20 | 中煤科工集团重庆研究院有限公司 | Thread phase angle detection structure |
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