CN113834566A - Electromechanical device vibration state measuring instrument - Google Patents
Electromechanical device vibration state measuring instrument Download PDFInfo
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- CN113834566A CN113834566A CN202111427343.2A CN202111427343A CN113834566A CN 113834566 A CN113834566 A CN 113834566A CN 202111427343 A CN202111427343 A CN 202111427343A CN 113834566 A CN113834566 A CN 113834566A
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- fixedly connected
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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
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- General Physics & Mathematics (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
The invention discloses a measuring instrument for vibration state of electromechanical equipment, which relates to the technical field of vibration detection, and comprises a bottom plate and is characterized in that: set up the mechanism that bears on mounting disc, including the centre gripping case, the centre gripping case sets up a plurality ofly, centre gripping case both sides set up the buffering subassembly, set up the centre gripping subassembly in the centre gripping incasement, the protruding pole of column bottom fixed connection, the centre gripping case lateral wall of protruding pole one side sets up the circular telegram switch, the mounting disc lateral wall of protruding pole below sets up the preset subassembly, when bearing different quality equipment in the centre gripping incasement, under the effect of equipment own gravity, drive the centre gripping case and move down to with the contact of preset subassembly, the preset subassembly moves down, is used for adjusting standard amplitude scope, when centre gripping case vibration exceedes vibration range, centre gripping case and lifting unit contact trigger the air guide subassembly and realize spouting to the indication subassembly, reacing the experimental result through the change of indication subassembly.
Description
Technical Field
The invention relates to the technical field of vibration detection, in particular to a vibration state measuring instrument for electromechanical equipment.
Background
The vibration detection is one of items which are frequently required to be detected before electromechanical equipment is delivered to a factory for use, the detection of the vibration state is judged not only from simple noise, but also from the amplitude of the equipment in stable operation, and the amplitude of qualified equipment is ensured to be within a stable range so as to be safely delivered to the factory for use.
Traditional vibration state detection device generally detects through vibration detection sensor, because the sensor need install on check out test set, so before equipment operation is stable, the vibration data that detect out may be inaccurate, and then influence the test result, and some large-scale electromechanical detection equipment, use and cost of maintenance are all higher, and react the testing result through the data mode, and are vivid not enough, and the personnel of being not convenient for judge fast realizes the result.
Disclosure of Invention
The invention provides a vibration state measuring instrument for electromechanical equipment, which solves the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
an electromechanical device vibration state measuring instrument, includes the bottom plate, still includes:
the supporting plate is arranged on one side of the bottom plate, the top of the supporting plate is provided with a top plate, and an installation plate is arranged below the top plate;
the bearing mechanism comprises a plurality of clamping boxes, wherein buffering assemblies are arranged on two sides of each clamping box, each clamping box is internally provided with a clamping assembly, one side of each clamping box is fixedly connected with an installation beam, a rotating column is rotatably connected onto the installation beam, a transmission gear is fixedly connected to the top of the rotating column, the bottom of the rotating column is fixedly connected with a protruding rod, the side wall of each clamping box on one side of the protruding rod is provided with an electrifying switch, the side wall of the installation plate below the protruding rod is provided with a preset assembly, when different-quality equipment is borne in each clamping box, the clamping boxes are driven to move downwards under the action of the self gravity of the equipment and are in contact with the preset assemblies, and the preset assemblies move downwards to adjust the standard amplitude range;
the detection mechanism comprises a detection plate, a telescopic cylinder is arranged between the detection plate and a bottom plate, a telescopic piece is sleeved on the telescopic cylinder, an elastic piece is arranged on one side of the telescopic cylinder, the bottom of the detection plate is fixedly connected with a conduction box, a lifting component is arranged at the upper end of the conduction box, an air guide component is arranged on one side of the conduction box, an indication component is arranged on the installation plate on one side of the air guide component, when the vibration of the clamping box exceeds the vibration range, the clamping box is contacted with the lifting component to trigger the air guide component to jet air to the indication component, and an experiment result is obtained through the change of the indication component;
and the driving mechanism is arranged on the top plate and used for driving the bearing mechanism.
As a preferred technical scheme of the invention, the buffering assembly comprises an installation arm, a limiting column is fixedly connected to an installation disc on one side of the installation arm, the limiting column penetrates through the installation arm and is in sliding connection with the installation arm, and a vibrating piece is sleeved on the limiting column below the installation arm.
As a preferred technical scheme of the invention, the preset assembly comprises a fixed block, the fixed block is fixedly connected with the side wall of the mounting disc, a compression leg penetrates through the fixed block, the compression leg is of a T-shaped structure, a protruding ring is fixedly sleeved on the compression leg, the bottom of the compression leg is fixedly connected with a connecting rod, and a stop rod is arranged on one side of the connecting rod.
As a preferred technical scheme of the invention, one side of the fixed block is provided with a positioning rod in a sliding and penetrating manner, the positioning rod is of a T-shaped structure, the positioning rod is sleeved with a supporting piece, two sides of the supporting piece are respectively fixedly connected with the positioning rod and the fixed block, and one end of the positioning rod is of an arc-shaped protruding structure.
As a preferable technical scheme, the lifting assembly comprises an installation pipe, the installation pipe penetrates through the detection plate in a sliding mode, the top of the installation pipe is fixedly connected with the detection plate, a resetting piece is sleeved on the installation pipe between the detection plate and the detection plate, and one side of the installation pipe extends into the conduction box.
As a preferred technical scheme of the invention, the air guide assembly comprises an air pump, an air outlet of the air pump is tightly attached to the side wall of the conduction box, one side of the conduction box is fixedly connected with a corrugated pipe, one side of the corrugated pipe is fixedly connected with a support plate, one side of the support plate is fixedly connected with an air guide pipe, and one side of the air guide pipe is fixedly connected with a spray head.
As a preferred technical scheme of the invention, the indicating assembly comprises two supporting rods, an indicating plate is rotatably connected between the two supporting rods, and the indicating plate is arranged corresponding to the spray head
As a preferred technical scheme of the invention, the driving mechanism comprises a driving motor, the driving motor is fixedly connected with the top plate, one end of an output shaft of the driving motor is fixedly connected with the incomplete gear, a bearing column is fixedly connected on an installation disc at one side of the incomplete gear, and a linkage gear is fixedly connected on the bearing column.
As a preferred technical scheme of the invention, the top of the rotating column is fixedly connected with a transmission gear, one side of the top plate is fixedly connected with an installation frame, one side of the installation frame is fixedly connected with a toothed ring, and the toothed ring is arranged corresponding to the transmission gear.
As a preferable technical scheme of the invention, the clamping assembly comprises an electric telescopic rod, and one side of the electric telescopic rod is fixedly connected with a clamping rod.
The invention has the following advantages: when the device is used, a clamping assembly is used for clamping and fixing the device to be detected, then a driving mechanism is started to drive a mounting plate to rotate intermittently, when a clamping box bears devices with different qualities in the operation process, the clamping box is driven to move downwards under the action of the self gravity of the device, a protruding rod on one side of the clamping box is in contact with a pressure column, the pressure column moves downwards and realizes positioning under the action of a positioning rod, a transmission gear is in contact with a toothed ring to drive the protruding rod below the rotating column to rotate in the rotation process of the mounting plate, the protruding rod is in contact with an electrifying switch to realize electrifying, the device is started to operate, the vibration generated by the operation of the device drives the clamping box to vibrate together and gradually tend to be stable, then a stop rod on the mounting plate is firstly in contact with a detection plate, the detection plate moves downwards under the pressure action of the stop rod, and the adjustment of the distance between the detection plate and the clamping box according to the different qualities of the device is realized, when equipment vibration is in qualified scope, the detection dish on the pick-up plate is not contacted with the centre gripping case, when vibration range is great, when the centre gripping case vibrates, with the detection dish contact, the detection dish moves down, the air guide subassembly is from the shower nozzle jet-propelled, the air current spouts to the instruction subassembly, and at the equipment of qualified vibration range, the shower nozzle is not jet-propelled, through observing the state of instructing the subassembly, operating personnel can be very fast make the judgement to the testing result of equipment, the testing result is accurate, application scope is wide, low in use cost, therefore, the clothes hanger is strong in practicability.
Drawings
Fig. 1 is a schematic structural diagram of a main view of an electromechanical device vibration state measuring instrument.
Fig. 2 is a schematic structural diagram of a side view of an electromechanical device vibration state measuring instrument.
Fig. 3 is a schematic structural diagram of an electromechanical device vibration state measuring apparatus as a whole viewed from below.
Fig. 4 is a front view of the structure of the electromechanical device vibration state measuring apparatus.
Fig. 5 is a schematic top view of an electromechanical device vibration status measuring apparatus.
Fig. 6 is a side view of the electromechanical device vibration status measuring apparatus.
In the figure: 1. a base plate; 2. a support plate; 3. mounting a disc; 4. detecting a plate; 5. a top plate; 6. an elastic member; 7. a conductive box; 8. a telescoping member; 9. a telescopic cylinder; 10. a stopper rod; 11. a connecting rod; 12. a raised ring; 13. positioning a rod; 14. pressing the column; 15. a toothed ring; 16. a mounting frame; 17. an indicator panel; 18. a drive motor; 19. a spray head; 20. a transmission gear; 21. rotating the column; 22. a projecting rod; 23. a clamping box; 24. a support member; 25. a power-on switch; 26. a linkage gear; 27. a load bearing column; 28. an incomplete gear; 29. an air duct; 30. detecting a disc; 31. a reset member; 32. a bellows; 33. mounting a beam; 34. a limiting column; 35. a vibrating member; 36. mounting an arm; 37. a fixed block; 38. a support bar; 39. installing a pipe; 40. an air pump; 41. a clamping rod; 42. an electric telescopic rod; 43. a carrying mechanism; 44. a detection mechanism; 45. a drive mechanism; 46. a buffer assembly; 47. a clamping assembly; 48. a preset component; 49. an air guide assembly; 50. indicating the component.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
Example 1
Referring to fig. 1-6, an electromechanical device vibration status measuring apparatus includes a base plate 1, and further includes:
the supporting plate 2 is fixedly arranged on one side of the bottom plate 1, the top of the supporting plate 2 is fixedly provided with a top plate 5, and an installation plate 3 is arranged below the top plate 5;
the bearing mechanism 43 arranged on the mounting plate 3 comprises a plurality of clamping boxes 23, the clamping box 23 is arranged on the mounting plate 3 in a sliding and penetrating way, the two sides of the clamping box 23 are provided with buffer components 46, a clamping component 47 is arranged in the clamping box 23, one side of the clamping box 23 is fixedly connected with a mounting beam 33, the mounting beam 33 is rotatably connected with a rotating column 21, the top of the rotating column 21 is fixedly connected with a transmission gear 20, the bottom of the rotating column 21 is fixedly connected with a protruding rod 22, the side wall of the clamping box 23 at one side of the protruding rod 22 is provided with an electrifying switch 25, the side wall of the mounting plate 3 below the protruding rod 22 is provided with a preset component 48, when different quality equipment is loaded in the clamping box 23, under the action of the gravity of the equipment, the clamping box 23 is driven to move downwards and is in contact with the pre-adjusting component 48, and the pre-adjusting component 48 moves downwards to adjust the standard amplitude range;
the detection mechanism 44 is arranged below the mounting plate 3 and comprises a detection plate 4, a telescopic cylinder 9 is arranged between the detection plate 4 and the bottom plate 1, a telescopic part 8 is sleeved on the telescopic cylinder 9, the top of the telescopic cylinder 9 is hinged with the detection plate 4, an elastic part 6 is arranged on one side of the telescopic cylinder 9, two sides of the elastic part 6 are respectively fixedly connected with the detection plate 4 and the bottom plate 1, the bottom of the detection plate 4 is fixedly connected with a conduction box 7, a lifting component is arranged at the upper end of the conduction box 7, an air guide component 49 is arranged on one side of the conduction box 7, an indication component 50 is arranged on the mounting plate 3 on one side of the air guide component 49, when the clamping box 23 vibrates to exceed a vibration range, the clamping box 23 is contacted with the lifting component, the air guide component 49 is triggered to jet the indication component 50, and an experimental result is obtained through the change of the indication component 50;
the driving mechanism 45 arranged on the top plate 5 is used for driving the bearing mechanism 43, when in actual use, when devices with different qualities are installed, the generated descending amount is different, and the amplitude generated in actual work is also different, so that the preset component 48 is arranged, the detection plate 4 can be pressed down to different heights aiming at the devices with different qualities, and the device can be suitable for vibration detection of the devices with different qualities when in detection.
Example 2
Referring to fig. 1 to 6, the other contents of the present embodiment are the same as embodiment 1, except that: buffering subassembly 46 is including installing arm 36, installation arm 36 and centre gripping case 23 fixed connection, the spacing post of fixed connection 34 on the mounting disc 3 of installation arm 36 one side, spacing post 34 pass installation arm 36, and with installation arm 36 sliding connection, the vibrating part 35 is established to the cover on the spacing post 34 of installation arm 36 below, vibrating part 35 both sides respectively with mounting disc 3 and installation arm 36 fixed connection.
The preset assembly 48 comprises a fixing block 37, the fixing block 37 is fixedly connected with the side wall of the mounting disc 3, a through hole is formed in the fixing block 37, a pressing column 14 penetrates through the through hole, the pressing column 14 is of a T-shaped structure, a protruding ring 12 is fixedly sleeved on the pressing column 14, the bottom of the pressing column 14 is fixedly connected with a connecting rod 11, and a stop rod 10 is fixedly arranged on one side of the connecting rod 11.
Fixing block 37 one side slides and runs through setting up locating lever 13, and locating lever 13 is the T shape structure, support piece 24 is established to the cover on locating lever 13, support piece 24 both sides respectively with locating lever 13 and fixing block 37 fixed connection, locating lever 13 one end sets up to the protruding structure of arc.
The lifting assembly comprises a mounting pipe 39, the mounting pipe 39 penetrates through the detection plate 4 in a sliding mode, the top of the mounting pipe 39 is fixedly connected with the detection plate 30, the resetting piece 31 is sleeved on the mounting pipe 39 between the detection plate 30 and the detection plate 4, and one side of the mounting pipe 39 extends into the conduction box 7.
The air guide assembly 49 comprises an air pump 40, the air pump 40 is fixedly connected with the installation pipe 39, an air outlet of the air pump 40 is tightly attached to the side wall of the conduction box 7, one side of the conduction box 7 is fixedly connected with the corrugated pipe 32, one side of the corrugated pipe 32 is fixedly connected with the support plate 2, one side of the support plate 2 is fixedly connected with the air guide pipe 29, one side of the air guide pipe 29 is fixedly connected with the corrugated pipe 32, and one side of the air guide pipe 29 is fixedly connected with the spray head 19.
The indicating assembly 50 comprises a supporting rod 38, the supporting rod 38 is fixedly connected with the mounting disc 3, two supporting rods 38 are arranged, an indicating plate 17 is rotatably connected between the supporting rods 38, and the indicating plate 17 is arranged corresponding to the spray head 19
The driving mechanism 45 comprises a driving motor 18, the driving motor 18 is fixedly connected with the top plate 5, one end of an output shaft of the driving motor 18 is fixedly connected with an incomplete gear 28, a bearing column 27 is fixedly connected on the mounting disc 3 on one side of the incomplete gear 28, a linkage gear 26 is fixedly connected on the bearing column 27, the linkage gear 26 is in meshing transmission connection with the incomplete gear 28, and the top of the bearing column 27 is in rotating connection with the top plate 5.
Rotate post 21 top fixed connection drive gear 20, roof 5 one side fixed connection mounting bracket 16, mounting bracket 16 one side fixed connection ring gear 15, ring gear 15 corresponds the setting with drive gear 20, centre gripping subassembly 47 includes electric telescopic handle 42, electric telescopic handle 42 one side fixed connection holding rod 41, electric telescopic handle 42 one side and centre gripping case 23 inner wall fixed connection.
In the implementation process of the invention, when the device is used, the device to be detected is placed in the clamping box 23, then the electric telescopic rod 42 drives the clamping rod 41 to clamp and fix the device, then the driving motor 18 is started to drive the incomplete gear 28 to rotate, and further the linkage gear 26 drives the mounting plate 3 below the bearing column 27 to intermittently rotate, in the operation process, when the clamping box 23 bears different quality devices, under the action of the self gravity of the device, the clamping box 23 is driven to move downwards, the convex rod 22 at one side of the clamping box 23 is contacted with the pressure column 14, the pressure column 14 moves downwards and realizes positioning under the action of the positioning rod 13, in the rotation process of the mounting plate 3, the transmission gear 20 is contacted with the toothed ring 15 to drive the convex rod 22 below the rotating column 21 to rotate, the convex rod 22 is contacted with the power switch 25 to realize power on, the device is started to operate, the vibration generated by the operation of the device drives the clamping box 23 to vibrate together, and gradually tend to be stable, then the stop rod 10 on the mounting plate 3 firstly contacts with the detection plate 4, under the pressure action of the stop rod 10, the detection plate 4 moves downwards, the distance between the detection plate 4 and the clamping box 23 is adjusted according to different equipment masses, when the equipment vibration is in a qualified range, the detection plate 30 on the detection plate 4 does not contact with the clamping box 23, when the vibration range is larger, the clamping box 23 contacts with the detection plate 30 when the vibration range is larger, the detection plate 30 moves downwards to drive the air pump 40 to move downwards, so that the air outlet of the air pump 40 is communicated with the air inlet of the corrugated pipe 32, then air is sprayed from the spray head 19 through the air duct 29, the air flow is sprayed to the indicating plate 17 to drive the indicating plate 17 to rotate, and the indicating plate 17 corresponding to the spray head 19 does not move in the equipment in the qualified vibration range, and an operator can quickly make a judgment on the detection result of the equipment by observing the state of the indicating plate 17, the detection result is accurate, the application range is wide, the use cost is low, and the practicability is strong.
Finally, it should be noted that: 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 changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides an electromechanical device vibration state measuring apparatu, includes the bottom plate, its characterized in that still includes:
the supporting plate is arranged on one side of the bottom plate, the top of the supporting plate is provided with a top plate, and an installation plate is arranged below the top plate;
the bearing mechanism comprises a plurality of clamping boxes, wherein buffering assemblies are arranged on two sides of each clamping box, each clamping box is internally provided with a clamping assembly, one side of each clamping box is fixedly connected with an installation beam, a rotating column is rotatably connected onto the installation beam, a transmission gear is fixedly connected to the top of the rotating column, the bottom of the rotating column is fixedly connected with a protruding rod, the side wall of each clamping box on one side of the protruding rod is provided with an electrifying switch, the side wall of the installation plate below the protruding rod is provided with a preset assembly, when different-quality equipment is borne in each clamping box, the clamping boxes are driven to move downwards under the action of the self gravity of the equipment and are in contact with the preset assemblies, and the preset assemblies move downwards to adjust the standard amplitude range;
the detection mechanism comprises a detection plate, a telescopic cylinder is arranged between the detection plate and a bottom plate, a telescopic piece is sleeved on the telescopic cylinder, an elastic piece is arranged on one side of the telescopic cylinder, the bottom of the detection plate is fixedly connected with a conduction box, a lifting component is arranged at the upper end of the conduction box, an air guide component is arranged on one side of the conduction box, an indication component is arranged on the installation plate on one side of the air guide component, when the vibration of the clamping box exceeds the vibration range, the clamping box is contacted with the lifting component to trigger the air guide component to jet air to the indication component, and an experiment result is obtained through the change of the indication component;
and the driving mechanism is arranged on the top plate and used for driving the bearing mechanism.
2. The electromechanical device vibration state measuring instrument according to claim 1, wherein the buffering assembly comprises a mounting arm, a limiting post is fixedly connected to the mounting plate on one side of the mounting arm, the limiting post penetrates through the mounting arm and is slidably connected with the mounting arm, and a vibrating member is sleeved on the limiting post below the mounting arm.
3. The electromechanical device vibration state measuring instrument according to claim 1, wherein the preset assembly comprises a fixing block, the fixing block is fixedly connected with the side wall of the mounting plate, a pressing column penetrates through the fixing block, the pressing column is of a T-shaped structure, a protruding ring is fixedly sleeved on the pressing column, a connecting rod is fixedly connected to the bottom of the pressing column, and a stop rod is arranged on one side of the connecting rod.
4. The electromechanical device vibration status measuring instrument according to claim 3, wherein a positioning rod is slidably disposed through one side of the fixing block, the positioning rod is of a T-shaped structure, a supporting member is sleeved on the positioning rod, two sides of the supporting member are respectively fixedly connected with the positioning rod and the fixing block, and one end of the positioning rod is of an arc-shaped protruding structure.
5. The electromechanical device vibration status measuring instrument according to claim 1, wherein the lifting assembly comprises a mounting tube slidably disposed through the detection plate, a top portion of the mounting tube is fixedly connected to the detection plate, a reset member is disposed on the mounting tube between the detection plate and the detection plate, and one side of the mounting tube extends into the conduction box.
6. The electromechanical device vibration state measuring instrument according to claim 5, wherein the air guide assembly comprises an air pump, an air outlet of the air pump is tightly attached to a side wall of the conduction box, a corrugated pipe is fixedly connected to one side of the conduction box, one side of the corrugated pipe is fixedly connected to the support plate, an air guide pipe is fixedly connected to one side of the support plate, and a spray head is fixedly connected to one side of the air guide pipe.
7. The electromechanical device vibration status measuring instrument according to claim 6, wherein the indicating assembly comprises two supporting rods, an indicating plate is rotatably connected between the two supporting rods, and the indicating plate is arranged corresponding to the spray head.
8. The electromechanical device vibration state measuring instrument according to claim 1, wherein the driving mechanism comprises a driving motor, the driving motor is fixedly connected with the top plate, one end of an output shaft of the driving motor is fixedly connected with the incomplete gear, a bearing column is fixedly connected on a mounting disc on one side of the incomplete gear, and a linkage gear is fixedly connected on the bearing column.
9. The electromechanical device vibration state measuring instrument according to claim 1, wherein the top of the rotating column is fixedly connected with a transmission gear, one side of the top plate is fixedly connected with a mounting rack, one side of the mounting rack is fixedly connected with a toothed ring, and the toothed ring is arranged corresponding to the transmission gear.
10. The apparatus according to claim 1, wherein the clamping assembly comprises an electric telescopic rod, and one side of the electric telescopic rod is fixedly connected with the clamping rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111427343.2A CN113834566A (en) | 2021-11-29 | 2021-11-29 | Electromechanical device vibration state measuring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111427343.2A CN113834566A (en) | 2021-11-29 | 2021-11-29 | Electromechanical device vibration state measuring instrument |
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| CN113834566A true CN113834566A (en) | 2021-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111427343.2A Pending CN113834566A (en) | 2021-11-29 | 2021-11-29 | Electromechanical device vibration state measuring instrument |
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| CN112479025A (en) * | 2020-11-11 | 2021-03-12 | 广州小新科技有限公司 | Clamping device for overhauling and installing electromechanical equipment |
| CN213842398U (en) * | 2020-11-25 | 2021-07-30 | 福州瑞华印制线路板有限公司 | Alarm device is used in production of printed wiring board |
| CN113427048A (en) * | 2021-07-16 | 2021-09-24 | 东莞市鸿安自动化科技有限公司 | Nonstandard bearing drilling device capable of performing multi-party detection on bearing |
| CN113551930A (en) * | 2021-09-03 | 2021-10-26 | 贵州黔新哲米科技有限公司 | Electromechanical device fault detector |
| CN214748426U (en) * | 2021-05-31 | 2021-11-16 | 申光玉 | Vibration monitoring device for coal mine electromechanical equipment |
| CN214893652U (en) * | 2021-04-09 | 2021-11-26 | 山西兰花科技创业股份有限公司 | Vibration monitoring device for electromechanical operation of coal mine |
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| CN205067040U (en) * | 2015-10-20 | 2016-03-02 | 格兰达技术（深圳）有限公司 | A vibrating device for instrument vibration testing |
| CN110486416A (en) * | 2019-09-10 | 2019-11-22 | 苏州莱锦机电自动化有限公司 | A kind of efficient damping device of mechanical equipment |
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Application publication date: 20211224 |