CN110617983A - Mechanical equipment fault diagnosis device capable of detecting vibration frequency - Google Patents
Mechanical equipment fault diagnosis device capable of detecting vibration frequency Download PDFInfo
- Publication number
- CN110617983A CN110617983A CN201910970229.0A CN201910970229A CN110617983A CN 110617983 A CN110617983 A CN 110617983A CN 201910970229 A CN201910970229 A CN 201910970229A CN 110617983 A CN110617983 A CN 110617983A
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- distributed
- machine body
- fixed
- mechanical equipment
- diagnosis device
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H17/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves, not provided for in the preceding groups
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M99/00—Subject matter not provided for in other groups of this subclass
- G01M99/005—Testing of complete machines, e.g. washing-machines or mobile phones
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
The invention relates to a mechanical equipment fault diagnosis device capable of detecting vibration frequency, which comprises a machine body and a display screen, wherein grooves are distributed on two sides of the outer wall of the machine body, a cover body is distributed on the outer part of each groove, an inner slide rail is distributed at the joint of the cover body and the machine body, a handle is arranged in the middle of one side of the cover body, the display screen is distributed on one side of the front face of the machine body, an operation panel is arranged on the other side of the front face of the machine body, a limiting pad is fixed at one end of the outer wall of the machine body, and a PCB is fixed in the display screen. The front of the machine body can be effectively protected, and the possibility of machine body damage in carrying is reduced.
Description
Technical Field
The invention relates to the technical field of mechanical equipment fault detection, in particular to a mechanical equipment fault diagnosis device capable of detecting vibration frequency.
Background
The mechanical failure diagnosis is a technology for understanding and mastering the state of a machine in the operation process, determining the whole or local normality or abnormality of the machine, finding a failure and the reason thereof at an early stage and forecasting the development trend of the failure, and oil monitoring, vibration monitoring, noise monitoring, performance trend analysis, nondestructive inspection and the like are main diagnosis technical modes of the machine, so that the machine with a good design has low inherent vibration level, but when the machine is worn, foundation subsidence and part deformation, the dynamic performance of the machine begins to change slightly: the shaft becomes misaligned, the components begin to wear, the rotor becomes unbalanced, the clearance increases, all of which are reflected in an increase in vibrational energy, and therefore, vibration exacerbation is often an indicator of machine defects, and vibration is measurable from the outer surface of the machine, and machine vibration monitoring systems are based on periodic measurements and calibrations.
The existing fault diagnosis device is free of frequency amplification equipment in use, so that when the vibration amplitude of the fault diagnosis device is too small, misjudgment is easy to occur, and the fault diagnosis device is easy to damage due to the fact that the existing fault diagnosis device is not provided with a good defense device in use.
Disclosure of Invention
The invention aims to provide a mechanical equipment fault diagnosis device capable of detecting vibration frequency, which solves the problems that the conventional fault diagnosis device proposed in the background art is easy to be misjudged when the vibration amplitude is too small because no frequency amplification device is used, and the fault diagnosis device is easy to be damaged because no good defense device is used.
In order to achieve the purpose, the invention provides the following technical scheme: a mechanical equipment fault diagnosis device capable of detecting vibration frequency comprises a machine body and a display screen, wherein grooves are distributed on two sides of the outer wall of the machine body, a cover body is distributed on the outer portion of each groove, inner slide rails are distributed at the connecting position of the cover body and the machine body, a handle is arranged in the middle of one side of the cover body, the display screen is distributed on one side of the front face of the machine body, an operation panel is arranged on the other side of the front face of the machine body, a limiting pad is fixed at one end of the outer wall of the machine body, a PCB is fixed inside the display screen, LED lamps are distributed on the periphery of the PCB, photosensitive sensors are distributed at one ends of the LED lamps, a fixed end is fixed on the outer wall of the other side of the machine body, spring wires are distributed at the other end of the fixed end, a connector is distributed on one side of each spring wire far away from, and the lower extreme of vibration detection probe distributes and has the fixed disk, the lower extreme both sides of vibration detection probe distribute has the gim peg, and the lower extreme of gim peg is fixed with the tuning fork, the lower extreme bottom distribution of fixed disk has the mounting disc, and the lower extreme of mounting disc is fixed with frequency amplifier, the back middle part of organism is provided with the louvre, and the back both sides of organism distribute and have the after-poppet, the junction swing joint of after-poppet and organism has the rotation axis, the inside both sides of fixed disk are provided with presss from both sides tight structure, and the middle part of fixed disk has seted up and has accomodate the hole, the lower extreme outer wall both sides of vibration.
Preferably, the four corners of the outer wall of the machine body are distributed in an obtuse angle shape, and the machine body forms a sliding structure with the cover body by arranging the groove.
Preferably, the LED lamps are uniformly distributed on the periphery of the outer wall of the PCB at equal intervals, and the LED lamps are electrically connected with the photosensitive sensors.
Preferably, the fixed end and the connector form a stretching structure through a spring wire, and the connector is in a rotating structure through the rotating arm and the vibration detection probe.
Preferably, the tuning fork is of a detachable structure through the fixing bolt and the fixing disc, and the tuning fork is provided with a pair.
Preferably, the frequency amplifiers are detachable from the fixed disk through the mounting disk, and the frequency amplifiers are distributed along the circle center of the fixed disk.
Preferably, the rear support and the machine body form a rotating structure through a rotating shaft, and the rear support is distributed in an I shape.
Preferably, the clamping structure comprises a fixing plate, a compression spring and a tongue piece, wherein the compression spring is distributed on one side of the fixing plate, and the tongue piece is distributed on the other end of the compression spring.
Preferably, the fixing plate, the compression spring and the tongue piece form an elastic structure, and an embedded structure is arranged between the tongue piece and the clamping groove.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the portable multifunctional portable handheld electronic device, the body, the groove and the cover body are arranged, the body and the cover body form a sliding structure, the outer surface of the whole body is designed in an obtuse angle shape, when a user holds the device, the edge of the body is not sharp, the user cannot be scratched, the cover body has a good protection effect, the front side of the body can be effectively protected, and the possibility of damage to the body during carrying is reduced.
2. According to the LED lamp and the photosensitive sensor, the LED lamp and the photosensitive sensor are electrically connected, when a user uses the equipment at night, the photosensitive sensor is used at night, the LED lamp is turned on to light up to illuminate the display screen through the characteristic that the photosensitive sensor has different resistance values to light, and the user can still effectively observe the display screen at night.
3. According to the vibration detection device, through the arrangement of the connector, the rotating arm and the vibration detection probe, the connector is of a rotating structure between the rotating arm and the vibration detection probe, when a user needs to perform vibration detection, the user can fix the fixed end at the output port of the machine body, the fixed end is in threaded connection with the output port of the machine body, meanwhile, the spring wire has certain ductility, the device is convenient to carry by the user, and the rotating arm is in rotating connection with the vibration detection probe, so that the user can place the device in multiple angles.
4. According to the invention, through the arrangement of the tuning forks, the tuning forks are provided with a pair of tuning forks, when the tuning forks are inserted into the mechanical equipment, the vibration generated in the operation process of the mechanical equipment is transmitted to the tuning forks, the tuning forks amplify the vibration amplitude, the generated audio frequency flows into the frequency amplifier, and the frequency amplifier amplifies the audio frequency, so that the accuracy of the subsequent detection effect is ensured.
5. According to the invention, through the arrangement of the rear support, the rear supports are distributed in the shape of the H-shaped letter, when a user needs to place the machine body, the user can rotate the rear support anticlockwise along the circle center of the rotating shaft, the rear supports are distributed in the shape of an inclined angle, the machine body is supported through the rear supports, the user can liberate both hands, and the machine body can be conveniently operated by one person.
Drawings
Fig. 1 is a schematic front structural diagram of a mechanical equipment fault diagnosis device capable of detecting vibration frequency according to the present invention;
FIG. 2 is a schematic structural diagram of a fixing disc of the mechanical equipment fault diagnosis device capable of detecting vibration frequency according to the present invention;
FIG. 3 is a schematic diagram of a back structure of a machine body of a fault diagnosis device for mechanical equipment capable of detecting vibration frequency according to the present invention;
FIG. 4 is a schematic diagram of a part A of the enlarged structure of the fault diagnosis device for mechanical equipment capable of detecting vibration frequency according to the present invention;
fig. 5 is a schematic top view of a fixing plate of a mechanical equipment failure diagnosis device capable of detecting vibration frequency according to the present invention.
In the figure: 1. a body; 2. forming a groove; 3. a cover body; 4. an inner slide rail; 5. a handle; 6. a display screen; 7. an operation panel; 8. a limiting pad; 9. a PCB board; 10. an LED lamp; 11. a photosensitive sensor; 12. fixing the end head; 13. a spring wire; 14. a connector; 15. a rotating arm; 16. vibrating the detection probe; 17. fixing the disc; 18. a fixing bolt; 19. a tuning fork; 20. mounting a disc; 21. a frequency amplifier; 22. heat dissipation holes; 23. a rear bracket; 24. a rotating shaft; 25. a clamping structure; 2501. a fixing plate; 2502. a compression spring; 2503. a tongue piece; 26. a clamping groove; 27. a receiving hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: a mechanical equipment fault diagnosis device capable of detecting vibration frequency comprises a machine body 1, a groove 2, a cover body 3, an inner sliding rail 4, a handle 5, a display screen 6, an operation panel 7, a limiting pad 8, a PCB 9, an LED lamp 10, a photosensitive sensor 11, a fixed end 12, a spring wire 13, a connector 14, a rotating arm 15, a vibration detection probe 16, a fixed disc 17, a fixed bolt 18, a tuning fork 19, a mounting disc 20, a frequency amplifier 21, a heat dissipation hole 22, a rear support 23, a rotating shaft 24, a clamping structure 25, a fixed plate 2501, a compression spring 2502, a tongue piece 2503, a clamping groove 26 and a containing hole 27, wherein the groove 2 is distributed on two sides of the outer wall of the machine body 1, the cover body 3 is distributed on the outer part of the groove 2, four corners of the outer wall of the machine body 1 are distributed in an obtuse angle shape, a sliding structure is formed between the groove 2 and the cover body 3 by the machine body 1, and the, when the user takes this equipment, its edge does not have the acutely shape, the fish tail user's the condition can not appear to its lid 3 has good protecting effect, can effectively protect the front of organism 1, reduces the possibility that organism 1 damaged appearing in carrying.
Lid 3 and organism 1's junction has interior slide rail 4 to distribute, and handle 5 has been seted up at one side middle part of lid 3, display screen 6 distributes in organism 1's positive one side, and organism 1's positive opposite side is provided with operating panel 7, organism 1's outer wall one end is fixed with spacing pad 8, display screen 6's inside is fixed with PCB board 9, and PCB board 9's distribution all around has LED lamp 10, the one end distribution of LED lamp 10 has photosensitive sensor 11, LED lamp 10 equidistance evenly distributed is around PCB board 9's outer wall, and be electric connection between LED lamp 10 and the photosensitive sensor 11, when the user uses this equipment at night, through the characteristic of photosensitive sensor 11 to the different resistances of ray, when using at night, photosensitive sensor 11 opens LED lamp 10 and lights, throw light on display screen 6, guarantee that the user can effectively observe display screen 6 at night still.
A fixed end 12 is fixed on the outer wall of the other side of the machine body 1, a spring wire 13 is distributed at the other end of the fixed end 12, a connector 14 is distributed at one side of the spring wire 13 far away from the fixed end 12, a rotating arm 15 is movably connected with one end of the connector 14, a vibration detection probe 16 is arranged at the lower end of the rotating arm 15, a fixed disc 17 is distributed at the lower end of the vibration detection probe 16, the fixed end 12 and the connector 14 form a stretching structure through the spring wire 13, the connector 14 and the vibration detection probe 16 form a rotating structure through the rotating arm 15, when a user needs to carry out vibration detection, the user can fix the fixed end 12 at the output port of the machine body 1, the fixed end 12 is in threaded connection with the output port of the machine body 1, meanwhile, the spring wire 13 has certain ductility, the user can conveniently carry the equipment, and the rotating arm 15 and, the user can place the clothes in multiple angles.
Fixing bolts 18 are distributed on two sides of the lower end of the vibration detection probe 16, tuning forks 19 are fixed at the lower ends of the fixing bolts 18, the tuning forks 19 are of a detachable structure through the fixing bolts 18 and the fixing disc 17, a pair of tuning forks 19 are arranged, when the tuning forks 19 are inserted into mechanical equipment, vibration generated by the mechanical equipment in the operation process is transmitted to the tuning forks 19, the tuning forks 19 amplify the vibration amplitude, generated audio frequency flows into the frequency amplifier 21, the frequency amplifier 21 amplifies the audio frequency, and accuracy of subsequent detection effect is guaranteed.
The bottom of the lower end of the fixed disk 17 is distributed with a mounting disk 20, the lower end of the mounting disk 20 is fixed with a frequency amplifier 21, the frequency amplifier 21 passes through the mounting disk 20 and is of a detachable structure with the fixed disk 17, the frequency amplifier 21 is distributed along the circle center of the fixed disk 17, the frequency amplifier 21 and the vibration detection probe 16 are distributed in a parallel shape, the frequency amplifier 21 expands the vibration frequency, so that the vibration detection probe 16 can effectively detect the frequency, the vibration detection probe 16 transmits signals into the machine body 1 through a lead, the ARM9 in the machine body 1 processes the signals, the electric signals are transmitted into numbers or graphs to be displayed, and a user can record the detection results through the display screen 6 to obtain a fault diagnosis report.
Organism 1's back middle part is provided with louvre 22, and organism 1's back both sides distribution has after-poppet 23, after-poppet 23 has rotation axis 24 with organism 1's junction swing joint, after-poppet 23 passes through rotation axis 24 and organism 1 constitution revolution mechanic, and after-poppet 23 is "worker" word form and distributes, when the user needs to place organism 1, the user can be through rotatory after-poppet 23, after-poppet 23 carries out counter clockwise turning along rotation axis 24's centre of a circle department, after-poppet 23 is the slope form and distributes, support organism 1 through after-poppet 23, the user can liberate both hands, convenient to use person carries out one-man operation.
Clamping structures 25 are arranged on two sides of the inside of the fixed disc 17, a containing hole 27 is formed in the middle of the fixed disc 17, each clamping structure 25 comprises a fixed plate 2501, a compression spring 2502 and a tongue piece 2503, the compression spring 2502 is distributed on one side of the fixed plate 2501, the tongue piece 2503 is distributed on the other end of the compression spring 2502, the fixed plate 2501, the compression spring 2502 and the tongue piece 2503 form an elastic structure, an embedded structure is formed between the tongue piece 2503 and a clamping groove 26, when a user inserts the vibration detection probe 16 into the clamping groove 26 formed in the fixed disc 17, the tongue piece 2503 rebounds through the compression spring 2502, the tongue piece 2503 is clamped into the clamping groove 26 to fixedly clamp the vibration detection probe 16, meanwhile, the compression spring 2502 serves as a unique elastic clamping device, when the tongue piece 2503 fixes the vibration detection probe 16, the vibration detection probe 16 is mutually attached to the bottom surface of the inner wall of the fixed disc 17, and the compression spring, so as not to affect the accuracy of the data detected by the vibration detecting probe 16.
The vibration detection probe 16 is provided with clamping grooves 26 on both sides of the outer wall of the lower end thereof.
The working principle of the embodiment is as follows: the mechanical equipment fault diagnosis device capable of detecting the vibration frequency fixes a fixed end head 12 at an output port of a machine body 1 when in use, the fixed end head 12 is in threaded connection with the output port of the machine body 1, meanwhile, a spring wire 13 has certain ductility and is convenient for a user to carry the equipment, a rotating arm 15 is in rotating connection with a vibration detection probe 16 and is convenient for the user to place at multiple angles, a tuning fork 19 is inserted into the mechanical equipment at the moment, vibration generated in the operation process of the mechanical equipment is transmitted to the tuning fork 19, the tuning fork 19 amplifies the vibration amplitude, generated audio frequency flows into a frequency amplifier 21, the type of the frequency amplifier 21 is ISO106, the frequency amplifier 21 amplifies the audio frequency, and simultaneously, the frequency amplifier 21 expands the vibration frequency, so that the vibration detection probe 16 can effectively detect the frequency, vibration detecting probe 16 transmits the signal into body 1 through the wire, ARM9 in body 1 handles the signal, the implementation that changes the signal of telecommunication into digit or figure shows, later when the user uses the equipment at night, through the characteristic of photosensitive sensor 11 to the different resistances of light, when using at night, photosensitive sensor 11 opens LED lamp 10 and lights, illuminate display screen 6, guarantee that the user still can effectively observe display screen 6 at night, when the user needs to place body 1 at last, the user can be through rotatory rear bracket 23, rear bracket 23 carries out anticlockwise rotation along the centre of a circle department of rotation axis 24, rear bracket 23 is the slope form and distributes, support body 1 through rear bracket 23, the user can liberate both hands, the user of being convenient for carries out single operation, the user records the testing result through display screen 6, and obtaining a fault diagnosis report.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (9)
1. A mechanical equipment fault diagnosis device capable of detecting vibration frequency comprises a machine body (1) and a display screen (6), and is characterized in that: the novel multifunctional washing machine is characterized in that grooves (2) are distributed on two sides of the outer wall of the machine body (1), a cover body (3) is distributed on the outer portion of each groove (2), an inner sliding rail (4) is distributed at the joint of the cover body (3) and the machine body (1), a handle (5) is arranged in the middle of one side of the cover body (3), a display screen (6) is distributed on one side of the front face of the machine body (1), an operation panel (7) is arranged on the other side of the front face of the machine body (1), a limiting pad (8) is fixed at one end of the outer wall of the machine body (1), a PCB (9) is fixed inside the display screen (6), LED lamps (10) are distributed on the periphery of the PCB (9), photosensitive sensors (11) are distributed at one end of each LED lamp (10), a fixed end (12) is fixed on the outer wall of the other side of the machine, one side of the spring wire (13) far away from the fixed end (12) is distributed with a connector (14), one end of the connector (14) is movably connected with a rotating arm (15), the lower end of the rotating arm (15) is provided with a vibration detection probe (16), the lower end of the vibration detection probe (16) is distributed with a fixed disc (17), two sides of the lower end of the vibration detection probe (16) are distributed with fixed bolts (18), the lower end of each fixed bolt (18) is fixed with a tuning fork (19), the bottom of the lower end of the fixed disc (17) is distributed with a mounting disc (20), the lower end of the mounting disc (20) is fixed with a frequency amplifier (21), the middle part of the back of the machine body (1) is provided with heat dissipation holes (22), two sides of the back of the machine body (1) are distributed with a rear support (23), and the joint of the rear support (, the inside both sides of fixed disk (17) are provided with and press from both sides tight structure (25), and the middle part of fixed disk (17) has seted up and has accomodate hole (27), press from both sides tight groove (26) have been seted up to the lower extreme outer wall both sides of vibration test probe (16).
2. The mechanical equipment failure diagnosis device capable of detecting the vibration frequency according to claim 1, wherein: the four corners of the outer wall of the machine body (1) are distributed in an obtuse angle shape, and the machine body (1) and the cover body (3) form a sliding structure through the groove (2).
3. The mechanical equipment failure diagnosis device capable of detecting the vibration frequency according to claim 1, wherein: the LED lamps (10) are evenly distributed on the periphery of the outer wall of the PCB (9) at equal intervals, and the LED lamps (10) are electrically connected with the photosensitive sensor (11).
4. The mechanical equipment failure diagnosis device capable of detecting the vibration frequency according to claim 1, wherein: fixed end (12) constitute tensile structure through spring wire (13) and connector (14), and connector (14) are revolution mechanic through between swinging boom (15) and vibration detection probe (16).
5. The mechanical equipment failure diagnosis device capable of detecting the vibration frequency according to claim 1, wherein: the tuning fork (19) is of a detachable structure through the fixing bolt (18) and the fixing disc (17), and the tuning fork (19) is provided with a pair.
6. The mechanical equipment failure diagnosis device capable of detecting the vibration frequency according to claim 1, wherein: the frequency amplifiers (21) are of a detachable structure through the installation disc (20) and the fixed disc (17), and the frequency amplifiers (21) are distributed along the circle center of the fixed disc (17).
7. The mechanical equipment failure diagnosis device capable of detecting the vibration frequency according to claim 1, wherein: the rear support (23) and the machine body (1) form a rotating structure through a rotating shaft (24), and the rear support (23) is distributed in an I shape.
8. The mechanical equipment failure diagnosis device capable of detecting the vibration frequency according to claim 1, wherein: the clamping structure (25) comprises a fixing plate (2501), a compression spring (2502) and a tongue piece (2503), the compression spring (2502) is distributed on one side of the fixing plate (2501), and the tongue piece (2503) is distributed on the other end of the compression spring (2502).
9. The mechanical equipment failure diagnosis device capable of detecting the vibration frequency according to claim 8, wherein: the fixing plate (2501), the compression spring (2502) and the tongue piece (2503) form an elastic structure, and an embedded structure is arranged between the tongue piece (2503) and the clamping groove (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910970229.0A CN110617983A (en) | 2019-10-12 | 2019-10-12 | Mechanical equipment fault diagnosis device capable of detecting vibration frequency |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910970229.0A CN110617983A (en) | 2019-10-12 | 2019-10-12 | Mechanical equipment fault diagnosis device capable of detecting vibration frequency |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110617983A true CN110617983A (en) | 2019-12-27 |
Family
ID=68925371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910970229.0A Withdrawn CN110617983A (en) | 2019-10-12 | 2019-10-12 | Mechanical equipment fault diagnosis device capable of detecting vibration frequency |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110617983A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113358213A (en) * | 2021-08-09 | 2021-09-07 | 海门润融精密机电有限公司 | Vibration measuring equipment for fault detection of numerical control machine tool |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201993212U (en) * | 2011-01-30 | 2011-09-28 | 德州学院 | String vibration tester |
| CN207816347U (en) * | 2018-01-30 | 2018-09-04 | 铜陵中宁检测技术有限公司 | A kind of multi-functional mechanical monitoring of equipment device |
| CN208537174U (en) * | 2018-08-09 | 2019-02-22 | 云南农业大学 | A kind of automobile engine vibration frequency detection device |
| CN209416619U (en) * | 2018-12-29 | 2019-09-20 | 东泰高科装备科技有限公司 | A kind of leak detecting device |
-
2019
- 2019-10-12 CN CN201910970229.0A patent/CN110617983A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201993212U (en) * | 2011-01-30 | 2011-09-28 | 德州学院 | String vibration tester |
| CN207816347U (en) * | 2018-01-30 | 2018-09-04 | 铜陵中宁检测技术有限公司 | A kind of multi-functional mechanical monitoring of equipment device |
| CN208537174U (en) * | 2018-08-09 | 2019-02-22 | 云南农业大学 | A kind of automobile engine vibration frequency detection device |
| CN209416619U (en) * | 2018-12-29 | 2019-09-20 | 东泰高科装备科技有限公司 | A kind of leak detecting device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113358213A (en) * | 2021-08-09 | 2021-09-07 | 海门润融精密机电有限公司 | Vibration measuring equipment for fault detection of numerical control machine tool |
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Application publication date: 20191227 |
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| WW01 | Invention patent application withdrawn after publication |