CN114877833A - Shaft part detection device - Google Patents
Shaft part detection device Download PDFInfo
- Publication number
- CN114877833A CN114877833A CN202210305276.5A CN202210305276A CN114877833A CN 114877833 A CN114877833 A CN 114877833A CN 202210305276 A CN202210305276 A CN 202210305276A CN 114877833 A CN114877833 A CN 114877833A
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- fixed
- rectangular box
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- rectangular
- water pump
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- 238000001514 detection method Methods 0.000 title claims abstract description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 28
- 230000002146 bilateral effect Effects 0.000 claims 1
- 238000005299 abrasion Methods 0.000 abstract description 6
- 239000004753 textile Substances 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 description 12
- 238000005259 measurement Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 230000009191 jumping Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 238000009987 spinning Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B13/00—Measuring arrangements characterised by the use of fluids
- G01B13/08—Measuring arrangements characterised by the use of fluids for measuring diameters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B13/00—Measuring arrangements characterised by the use of fluids
- G01B13/16—Measuring arrangements characterised by the use of fluids for measuring contours or curvatures
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B13/00—Measuring arrangements characterised by the use of fluids
- G01B13/18—Measuring arrangements characterised by the use of fluids for measuring angles or tapers; for testing the alignment of axes
Abstract
The invention provides a shaft part detection device, which effectively solves the problems that in the prior art, the detection efficiency of a roller in the detection process is low, the operation is complicated, the use is troublesome, and the rapid detection of the abrasion loss of the roller in a textile workshop cannot be met; the technical scheme who its solve is, which comprises a frame, there are two cylinder pieces in the frame, the bell mouth has been seted up on the terminal surface that two cylinder pieces are close to each other, it can control the removal to be in left cylinder piece, the cylinder piece that is in the right side can initiatively rotate, there is the rectangle box on the frame curb plate down, there is the sliding plate in the rectangle box, be connected with the pressure spring between sliding plate and the rectangle box posterior lateral plate, there is the spout on the rectangle box curb plate, the sliding plate upper end is fixed with the riser, the riser upper end is fixed with the flat board, install the water pump on the flat board, there is the ability disc flat board upper end, the pipe connection between the water inlet of water pump and the pond, every rectangle box rear side is fixed with vertical metering tube, the delivery port and the metering tube lower extreme pipe of water pump are said and are linked together.
Description
Technical Field
The invention relates to the technical field of mechanical part detection, in particular to a shaft part detection device.
Background
No matter mechanical parts are production or later stage maintenance, all need detect it, and detection mode is diversified moreover, does not lack the check out test set of high-accuracy point yet. However, for the rollers in the textile industry, no special detection device is provided, the precision requirement of the rollers in production is high, the rollers are worn after long-time operation, the working effect of the rollers is greatly influenced even if the rollers are worn by a small amount, the traction force is insufficient, and the fibers on the velvet ribbon cannot be carded normally, so that unnecessary yarn defects are caused. Maintenance personnel can regularly inspect and detect the precision of the rollers, and can grind the unqualified rollers if necessary and detect the unqualified rollers after grinding.
According to the current means, some manufacturers adopt vernier calipers to carry out multi-point measurement, but the distance between two points of a circular surface on an axis is measured finally, the error is larger, but the roller precision requirement is higher, and especially for rollers in a drafting area of a spinning machine and a fine spinning machine, the result of manual detection is often larger in deviation and can cause scrapping seriously.
Most manufacturers respectively detect the jumping instruments at a plurality of positions, the jumping instruments are easy to wear because the detection positions are fragile, and people or instruments with recording functions are required to look at the dial plate and record all the time in the detection, so that the operation is complex and troublesome in use.
And a small number of manufacturers adopt detection equipment with high precision, but need to take the roller to a special detection machine room or laboratory, and carry out comprehensive detection by using a special detection tool, such as a three-coordinate detector, but obviously, the detection equipment is not suitable for field conditions and has high cost. In addition, such high-precision equipment is fragile, requires special personnel for operation, maintenance and repair, and is high in personnel quality requirement. Moreover, since the equipment is expensive and the detection time is long, only the sampling inspection can be carried out in order to reduce the abrasion of the execution components, but the use condition of each roller is different, the abrasion effect is different, and the sampling inspection cannot meet the requirements of the textile workshop.
Disclosure of Invention
Aiming at the situation, in order to overcome the defects of the prior art, the invention provides the shaft part detection device, which effectively solves the problems that the detection efficiency of the roller in the detection process is low, the operation is complex, the use is troublesome and the rapid detection of the abrasion loss of the roller in a textile workshop cannot be met in the prior art.
The technical scheme includes that the roller cleaning machine comprises a machine frame, the machine frame is in a U shape with an upward opening, two cylindrical blocks which are symmetrically arranged left and right are arranged in the machine frame, tapered holes are formed in the end faces, close to each other, of the two cylindrical blocks, the two cylindrical blocks can clamp a roller tightly, the cylindrical block on the left side can move left and right, the cylindrical block on the right side can rotate actively, a rectangular box which is arranged along the front-back direction is arranged on the lower side plate of the machine frame, the rectangular box can move left and right, a sliding plate which can slide in the rectangular box along the front-back direction is arranged in the rectangular box, a pressure spring is connected between the sliding plate and the rear side plate of the rectangular box, a sliding groove which is formed along the front-back direction is formed in the upper side plate of the rectangular box, a vertical plate is fixed at the upper end of the sliding plate, a horizontal flat plate extends out of the rectangular box through the sliding groove, a water pump is installed on the flat plate, a rotating disc is arranged at the upper end of the flat plate, and a water inlet of the water pump is connected with a water pool through a pipeline, and a vertical metering pipe is fixed at the rear side of each rectangular box, and a water outlet of the water pump is communicated with the lower end of the metering pipe through a pipeline.
The roller wear detection device is ingenious in structure, the difference of the diameters of different parts of the roller is utilized, the difference is accumulated and superposed continuously, the tiny error is amplified, the difference is obvious when the number of times of superposition is more, then the wear amount of the roller is obtained by converting according to the final height difference, the roller is detected quickly, the observation is convenient, the observation of personnel is convenient, the wear condition of the device is light, and the operation is simple.
Drawings
FIG. 1 is a front cross-sectional view of the present invention.
FIG. 2 is a side cross-sectional view of the present invention.
Fig. 3 is a top cross-sectional view of the present invention.
Fig. 4 is a sectional view taken along line a-a of fig. 3.
FIG. 5 is a structural diagram of the frame, the screw rod and the slide rod of the present invention.
Fig. 6 is a schematic structural view of a rectangular box and parts thereon in the present invention.
Detailed Description
The following description will explain embodiments of the present invention in further detail with reference to the accompanying drawings.
As shown in figures 1 to 6, the invention comprises a frame 1, the frame 1 is U-shaped with an upward opening, two cylindrical blocks 2 which are arranged symmetrically left and right are arranged in the frame 1, tapered holes are arranged on the end surfaces of the two cylindrical blocks 2 which are close to each other, the two cylindrical blocks 2 can clamp a roller tightly, the cylindrical block 2 on the left side can move left and right, the cylindrical block 2 on the right side can rotate actively, a rectangular box 3 which is arranged along the front-back direction is arranged on the lower side plate of the frame 1, the rectangular box 3 can move left and right, a sliding plate 4 which can slide along the front-back direction in the rectangular box 3 is arranged in the rectangular box 3, a pressure spring is connected between the sliding plate 4 and the rear side plate of the rectangular box 3, a sliding groove 5 which is arranged along the front-back direction is arranged on the upper side plate of the rectangular box 3, a vertical plate 6 is fixed at the upper end of the sliding plate 4, a horizontal flat plate 7 is fixed at the upper end of the vertical plate 7, the rectangular box 3 extends out of the sliding groove 5, a water pump 8 is arranged on the flat plate 7, the upper end of the flat plate 7 is provided with a rotatable disc 9, a water inlet of the water pump 8 is connected with the water pool through a pipeline, the rear side of each rectangular box 3 is fixed with a vertical metering pipe 10, and a water outlet of the water pump 8 is communicated with the lower end of the metering pipe 10 through a pipeline.
In order to install the disc 9, a transverse shaft 11 coaxial with the disc 9 penetrates through the center of the disc 9, and two ends of the transverse shaft 11 are fixed with the flat plate 7 through support rods.
In order to realize that the disc 9 can drive the water pump 8 to operate, the input shaft of the water pump 8 is provided with a first gear 12, a second gear 13 which is coaxial with the disc 9 is fixed on the disc 9, and the first gear 12 is meshed with the second gear 13.
In order to reduce the friction force between the sliding plate 4 and the rectangular box 3, a plurality of wheels are hinged on the upper end surface and the lower end surface of the sliding plate 4, and the wheels are in contact with the inner side wall of the cavity of the rectangular box 3.
In order to tighten the roller, a screw 14 penetrates through the right side wall of the rack 1, the screw 14 is in threaded connection with the rack 1, and the right end of the screw 14 is mounted with the cylindrical block 2 on the left side through a thrust bearing.
In order to realize the left and right movement of the rectangular box 3, the detection efficiency is improved, the rectangular box 3 is arranged in a plurality of horizontal directions, a horizontal lead screw 15 which cannot rotate is fixed in the rack 1, a rectangular block 16 is fixed at the lower end of the rectangular box 3, a horizontal hollow pipe 17 penetrates through the rectangular block 16, a bearing is installed between the hollow pipe 17 and the rectangular block 16, the hollow pipe 17 is sleeved on the lead screw 15, the hollow pipe 17 is in threaded connection with the lead screw 15, and the rotating hollow pipe 17 can control the left and right movement of the rectangular block 16.
In order to realize that the rectangular box 3 is more stable in use, a sliding rod 18 parallel to the screw rod 15 is fixed in the frame 1, a plurality of sliding blocks 19 corresponding to the rectangular box 3 one by one are sleeved on the sliding rod 18, the sliding blocks 19 can slide on the sliding rod 18, and the sliding blocks 19 are fixed with the rectangular box 3.
In order to improve the precision, the section of the outer circle surface of the disc 9 is semicircular.
For convenient observation, the upper end of the metering tube 10 is open, a piston capable of sliding up and down along the metering tube 10 is arranged in the metering tube 10, a sealing ring is arranged at the edge of the piston, and scales are marked on the outer side of the metering tube 10.
In order to realize the rotation of the roller, a servo motor is fixed on the right side plate of the frame 1, and an output shaft of the servo motor is fixed with the right cylindrical block 2.
It is worth noting that the invention adopts a small-sized, micro-scale water pump 8; in the scheme, the difference of the linear velocity between each measurement position of the unqualified roller causes the difference of the transmission ratio between the roller and the disc 9 at the position, the small difference is rotated for many times to form a large flow output difference, finally, the liquid in the metering pipe 10 corresponding to the position with the small linear velocity is less than that in other positions, and the abrasion loss at the position is calculated; the lower end of the metering tube 10 needs to be provided with a liquid outlet, and liquid in the metering tube is poured out from the liquid outlet after the measurement is finished.
When the roller detection device is used, a roller is placed between two cylindrical blocks 2, the cylindrical block 2 on the left side moves towards the right side and clamps the roller tightly by screwing the screw 14, then the hollow pipe 17 is screwed to enable the rectangular box 3 to be positioned at a position to be detected by the roller, at the moment, the sliding plate 4 moves forwards by the pressure spring between the sliding plate 4 on the rear side and the rectangular block 16 until the disc 9 is contacted with the roller, at the moment, the motor is started, the roller is driven to rotate by the motor through the cylindrical blocks 2, the roller rotates to drive the discs 9 on the rear side to rotate, the disc 9 rotates to drive the second gear 13 to drive the first gear 12 to rotate to realize the operation of the water pump 8, if the shape tolerance of the roller reaches the standard, the liquid level in each metering pipe 10 on the rear side keeps constant, if the diameter of the outer circular surface of the roller is different, the liquid level in each metering pipe 10 on the rear side also has a little difference along with the rotation of the motor, the larger the height difference of the liquid level is, the situation of the excircle surface of the roller can be visually seen through the liquid level difference, and the cylindricity or the outline of the excircle surface can be calculated by combining the number of turns of the motor brick and the parameters of the water pump 8.
The invention has the outstanding advantages and remarkable progress that:
1. the invention can convert the small difference between the diameters of the outer circular surfaces in the roller into the linear velocity, and then further convert the linear velocity into the visible liquid level height difference, the more the number of turns of the motor, the more accurate the measurement, and the meshing between the disk 9 and the roller reduces the friction loss, and the invention does not need personnel or recording instruments to keep watch all the time, and only needs to set the specific number of turns of the motor.
2. In order to improve the measuring efficiency and adapt to longer rollers, the device is provided with a plurality of rectangular boxes 3 and parts thereof, a plurality of rollers can be detected at the same time, then the height difference of the liquid level in the measuring pipe 10 is calculated, the abrasion and the difference between different parts can be measured powerfully according to the number of turns of the roller driven by the motor and other necessary parameters.
In the above, the roller is in use, and generally only the middle part is worn, and the two ends are hardly worn, so that in comparison of the liquid level difference, at least one disc 9 is positioned at the end part of the roller.
3. The invention has simple operation, can be applied to roller detection in a textile workshop, and can also be applied to other detections in machining, such as taper detection, on the premise that the cylindricity or coaxiality of a detected piece meets the technical requirements. Specifically, the disc 9 in the device is placed at a proper position of a measured piece, then the motor is started, and finally calculation is carried out according to the height difference of the liquid level, so that the taper of the measured piece is obtained finally.
The roller wear detection device is ingenious in structure, the difference of the diameters of different parts of the roller is utilized, the difference is accumulated and superposed continuously, the tiny error is amplified, the difference is obvious when the number of times of superposition is more, then the wear amount of the roller is obtained by converting according to the final height difference, the roller is detected quickly, the observation is convenient, the observation of personnel is convenient, the wear condition of the device is light, and the operation is simple.
Claims (3)
1. The shaft part detection device is characterized by comprising a rack (1), wherein the rack (1) is U-shaped with an upward opening, two cylindrical blocks (2) which are arranged in a bilateral symmetry manner are arranged in the rack (1), tapered holes are formed in the end faces, close to each other, of the two cylindrical blocks (2), the two cylindrical blocks (2) can clamp a roller tightly, the cylindrical block (2) on the left side can move left and right, the cylindrical block (2) on the right side can rotate actively, a rectangular box (3) arranged in the front-back direction is arranged on the lower side plate of the rack (1), the rectangular box (3) can move left and right, a sliding plate (4) capable of sliding in the rectangular box (3) in the front-back direction is arranged in the rectangular box (3), a pressure spring is connected between the sliding plate (4) and the rear side plate of the rectangular box (3), a sliding groove (5) formed in the front-back direction is formed in the upper side plate of the rectangular box (3), a vertical plate (6) is fixed at the upper end of the sliding plate (4), a horizontal flat plate (7) is fixed at the upper end of the vertical plate (6), the upper end of the flat plate (7) extends out of the rectangular boxes (3) through the sliding chute (5), a water pump (8) is installed on the flat plate (7), a rotatable disc (9) is arranged at the upper end of the flat plate (7), a water inlet of the water pump (8) is connected with the water pool through a pipeline, a vertical metering pipe (10) is fixed at the rear side of each rectangular box (3), and a water outlet of the water pump (8) is communicated with the lower ends of the metering pipes (10) through a pipeline;
the rectangular boxes (3) are arranged in a plurality of horizontal directions, a horizontal screw rod (15) which cannot rotate is fixed in the rack (1), a rectangular block (16) is fixed at the lower end of each rectangular box (3), a horizontal hollow pipe (17) penetrates through each rectangular block (16), a bearing is installed between each hollow pipe (17) and each rectangular block (16), each hollow pipe (17) is sleeved on each screw rod (15), each hollow pipe (17) is in threaded connection with each screw rod (15), and the screwing of each hollow pipe (17) can control the left and right movement of each rectangular block (16);
a transverse shaft (11) coaxial with the disc (19) penetrates through the center of the disc (19), and two ends of the transverse shaft (111) are fixed with the flat plate (17) through supporting rods;
a first gear (12) is arranged on an input shaft of the water pump (8), a second gear (13) which is coaxial with the first gear is fixed on the disc (9), and the first gear (12) is meshed with the second gear (13);
the upper end face and the lower end face of the sliding plate (4) are hinged with a plurality of wheels, and the wheels are in contact with the inner side wall of the cavity of the rectangular box (3).
2. The shaft part detection device according to claim 1, wherein a screw (14) penetrates through the right side wall of the rack (1), the screw (14) is in threaded connection with the rack (1), and the right end of the screw (14) is mounted with the cylindrical block (2) on the left side through a thrust bearing.
3. The shaft part detection device according to claim 1, wherein a slide rod (18) parallel to the lead screw (15) is fixed in the frame (1), a plurality of slide blocks (19) corresponding to the rectangular boxes (3) in a one-to-one manner are sleeved on the slide rod (18), the slide blocks (19) can slide on the slide rod (18), and the slide blocks (19) are fixed with the rectangular boxes (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210305276.5A CN114877833B (en) | 2020-09-30 | Spinning machine shaft part detection device |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011065427.1A CN112146547B (en) | 2020-09-30 | 2020-09-30 | Spinning machine axle type part detection device |
| CN202210305276.5A CN114877833B (en) | 2020-09-30 | Spinning machine shaft part detection device |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011065427.1A Division CN112146547B (en) | 2020-09-30 | 2020-09-30 | Spinning machine axle type part detection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114877833A true CN114877833A (en) | 2022-08-09 |
| CN114877833B CN114877833B (en) | 2024-04-30 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117169115A (en) * | 2023-10-31 | 2023-12-05 | 南通飞轮剑杆纺机配件有限公司 | Spinning machine shaft part detection device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB764625A (en) * | 1953-12-29 | 1956-12-28 | Sheffield Corp | Improvements in or relating to a method and device for gauging arcuate surfaces |
| GB1367108A (en) * | 1971-01-14 | 1974-09-18 | Measurex Corp | Apparatus for measuring a predetermined characteristic of sheet mater ial |
| SU789683A1 (en) * | 1976-09-29 | 1980-12-23 | Всесоюзный Научно-Исследовательский Институт Автоматизации Черной Металлургии | Hydraulic apparatus for measuring linear displacements |
| JP2001330422A (en) * | 2000-05-23 | 2001-11-30 | Tokyo Seimitsu Co Ltd | Outer diameter measuring method and apparatus |
| DE202015000966U1 (en) * | 2015-02-02 | 2015-02-27 | Nagel Maschinen- Und Werkzeugfabrik Gmbh | Pneumatic measuring mandrel |
| CN106524956A (en) * | 2016-12-14 | 2017-03-22 | 江门市力泰科技有限公司 | Adjustable shaft outer diameter measuring tool |
| CN106895800A (en) * | 2017-03-17 | 2017-06-27 | 台州广播电视大学 | The detection means and detection method of a kind of spheric crank |
| CN107941175A (en) * | 2017-11-23 | 2018-04-20 | 哈尔滨工业大学 | A kind of inner groove seamed edge equivalent fillet measuring device and measuring method |
| CN207798036U (en) * | 2017-12-20 | 2018-08-31 | 日本电产新宝(浙江)有限公司 | Air-gauge |
| KR101951243B1 (en) * | 2017-11-08 | 2019-02-22 | 주식회사 삼우에코 | Roll bearing part sealing test device |
| CN209069387U (en) * | 2019-01-09 | 2019-07-05 | 黄河科技学院 | A kind of hydrographic water resource monitor |
| CN111272967A (en) * | 2018-12-05 | 2020-06-12 | 马鞍山市华能电力线路器材有限责任公司 | Gold utensil crimping quality probing device that can nondestructive test |
| CN111307082A (en) * | 2019-11-13 | 2020-06-19 | 浙江新昌三雄轴承有限公司 | Bearing ring detection control method and system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB764625A (en) * | 1953-12-29 | 1956-12-28 | Sheffield Corp | Improvements in or relating to a method and device for gauging arcuate surfaces |
| GB1367108A (en) * | 1971-01-14 | 1974-09-18 | Measurex Corp | Apparatus for measuring a predetermined characteristic of sheet mater ial |
| SU789683A1 (en) * | 1976-09-29 | 1980-12-23 | Всесоюзный Научно-Исследовательский Институт Автоматизации Черной Металлургии | Hydraulic apparatus for measuring linear displacements |
| JP2001330422A (en) * | 2000-05-23 | 2001-11-30 | Tokyo Seimitsu Co Ltd | Outer diameter measuring method and apparatus |
| DE202015000966U1 (en) * | 2015-02-02 | 2015-02-27 | Nagel Maschinen- Und Werkzeugfabrik Gmbh | Pneumatic measuring mandrel |
| CN106524956A (en) * | 2016-12-14 | 2017-03-22 | 江门市力泰科技有限公司 | Adjustable shaft outer diameter measuring tool |
| CN106895800A (en) * | 2017-03-17 | 2017-06-27 | 台州广播电视大学 | The detection means and detection method of a kind of spheric crank |
| KR101951243B1 (en) * | 2017-11-08 | 2019-02-22 | 주식회사 삼우에코 | Roll bearing part sealing test device |
| CN107941175A (en) * | 2017-11-23 | 2018-04-20 | 哈尔滨工业大学 | A kind of inner groove seamed edge equivalent fillet measuring device and measuring method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117169115A (en) * | 2023-10-31 | 2023-12-05 | 南通飞轮剑杆纺机配件有限公司 | Spinning machine shaft part detection device |
| CN117169115B (en) * | 2023-10-31 | 2023-12-26 | 南通飞轮剑杆纺机配件有限公司 | Spinning machine shaft part detection device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112146547A (en) | 2020-12-29 |
| CN112146547B (en) | 2022-06-03 |
| CN114543712A (en) | 2022-05-27 |
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Effective date of registration: 20240403 Address after: 413000, No. 288 Xinyuan Road, Qionghu Office, Yuanjiang City, Yiyang City, Hunan Province Applicant after: Yiyang Deheng Textile Industry Co.,Ltd. Country or region after: China Address before: 241000 intersection of Tongjiang Avenue and tajiang Road, Hualong community, Dougou Town, Wuwei County, Wuhu City, Anhui Province Applicant before: Zhang Shumin Country or region before: China |
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