CN117073822A - Coal mine electromechanical operation vibration monitoring device - Google Patents
Coal mine electromechanical operation vibration monitoring device Download PDFInfo
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- CN117073822A CN117073822A CN202311339643.4A CN202311339643A CN117073822A CN 117073822 A CN117073822 A CN 117073822A CN 202311339643 A CN202311339643 A CN 202311339643A CN 117073822 A CN117073822 A CN 117073822A
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- vibration
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- 239000003245 coal Substances 0.000 title claims abstract description 41
- 238000012806 monitoring device Methods 0.000 title claims abstract description 23
- 238000010030 laminating Methods 0.000 claims abstract description 4
- 230000007246 mechanism Effects 0.000 claims description 21
- 238000001514 detection method Methods 0.000 claims description 20
- 238000012544 monitoring process Methods 0.000 claims description 17
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H1/00—Measuring characteristics of vibrations in solids by using direct conduction to the detector
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M13/00—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles
- F16M13/02—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles for supporting on, or attaching to, an object, e.g. tree, gate, window-frame, cycle
- F16M13/022—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles for supporting on, or attaching to, an object, e.g. tree, gate, window-frame, cycle repositionable
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
The utility model relates to a coal mine electromechanical operation vibration monitoring device, which comprises a bottom plate; the bottom plate is connected with the bottom of the coal mine motor through bolts, and the coal mine motor is electrically connected with the power module through wires. Push rod to left end promotion for the ejector pad drives the slipway and moves in the spout inboard, because the spout is the slope form and distributes, makes the slipway drive the movable block and upwards move, makes the plug contact to the embedded state of tooth's socket, promotes the movable strip to the left end later, makes the cambered surface of rubber pad bottom closely laminate with the top of bearing frame, increases vibration sensor and bearing frame's laminating area, makes vibration sensor and bearing frame be connected more firm, prevents to receive external force striking to empty, and when the movable strip removes, can make the support bar upwards slide in guide structure, leads to the support bar through the leading wheel, makes support bar and movable strip be in triangle stable structure all the time, increases supporting stability.
Description
Technical Field
The utility model relates to the technical field of coal mine electromechanical technology, in particular to a coal mine electromechanical operation vibration monitoring device.
Background
The coal mine electromechanical is important equipment for carrying out mining work in the coal mine mining process, vibration can be generated in the coal mine electromechanical in the operation process, vibration monitoring is carried out on the coal mine electromechanical by using a vibration monitor in the operation process, and the operation state of the machine is judged through the change of vibration and noise so as to ensure the normal operation work of the coal mine electromechanical and ensure the normal operation of the whole engineering.
For example, chinese patent publication No. CN115507941a discloses a coal mine electromechanical operation vibration monitoring device, including a plurality of vibration detection ends and vibration monitoring platform, every vibration detection end includes the bottom plate, the upside fixedly connected with first curb plate, second curb plate and third curb plate of bottom plate, the third curb plate is the setting of L shape, fixedly connected with first fixed plate, second fixed plate and third fixed plate on the lateral wall of first curb plate, second curb plate and third curb plate respectively, all be connected with the sliding block through resetting means on the lateral wall of first fixed plate, second fixed plate and third fixed plate, every threaded connection has the threaded rod on the lateral wall of sliding block, every the one end fixedly connected with magnetic attraction piece of threaded rod. The utility model has reasonable design and ingenious conception, and can judge the cause of abnormal vibration of the electromechanical device of the coal mine in time by arranging the vibration detection end, the judging module and the fault prediction model, thereby achieving the purpose of accurately judging the fault cause of the electromechanical device of the coal mine in time and having high practicability.
Chinese patent publication No. CN213579730U discloses a colliery electromechanical operation vibration monitoring equipment, which comprises a machine head, the one end of aircraft nose is provided with threaded rod and takes the first spring of damping pad, the side of aircraft nose one end is provided with the notch of taking second spring and fixture block, the one end of aircraft nose is provided with the turning block that takes locking knob, one side of turning block is provided with the fuselage, one side of fuselage is provided with display screen, alarm device and signal transmitter. The utility model has the advantages that: when the threaded rod is fixed into the detection target by the rotary equipment, the clamping block is contracted into the notch when contacting the detection target, the situation that the threaded rod cannot be rotationally fixed and is infirm due to the fact that the clamping block is directly clamped into the clamping groove is avoided, when the threaded rod is rotated to a firm state, the threaded rod is further fixed in the clamping groove by stirring the clamping block, and the threaded rod can be limited to rotate after the clamping block is fixed, so that the possibility that the equipment is loosened due to vibration is reduced.
Among the above-mentioned technique, vibration detection end is when installing in the test end, because the surface of test end is mostly arc structure for when installing vibration detection end, the bottom of vibration detection end is difficult for appearing and test terminal surface laminating, but receives external force striking, appears empting the phenomenon easily, influences the normal use of vibration detection end, leads to detecting accuracy to reduce.
Disclosure of Invention
In order to solve the technical problems, the utility model provides a coal mine electromechanical operation vibration monitoring device.
Based on the above, the utility model provides the following technical scheme: a coal mine electromechanical operation vibration monitoring device comprises a bottom plate;
the bottom plate is connected with the bottom of the coal mine motor through bolts, and the coal mine motor is electrically connected with the power supply module through wires;
the coal mine motor is in transmission connection with the rotating shaft through a coupler, the rotating shaft is movably connected with the inner side of the bearing seat, two groups of bearing seats are arranged, and the bottom of the bearing seat is connected with the bottom plate through bolts;
the top of the bearing seat is connected with a vibration detection end structure, and the vibration detection end structure is connected with a vibration monitoring platform;
the vibration detection end structure comprises a vibration sensor, a connecting wire, a supporting seat, a supporting mechanism and a magnet, wherein the magnet is adsorbed on the top of a bearing seat, the vibration sensor is connected with a vibration monitoring platform through the connecting wire, the supporting seat is connected to the bottom of the vibration sensor, the supporting mechanism is arranged on the left side and the right side of the bottom of the supporting seat, the magnet is arranged at the bottom of the supporting seat, the model of the vibration sensor is CT1005C, the model of the vibration sensor is analog, a processor is arranged in the vibration monitoring platform, the model of the processor is MT6795, the vibration sensor freely sags against the vibration of equipment detection equipment, the processor can process signals of the detection vibration transmitted by the vibration sensor, the signals are converted into patterns, the patterns are displayed on the vibration monitoring platform to monitor the equipment operation vibration, and the vibration monitoring platform gives an alarm when the vibration is abnormal.
Preferably, the supporting mechanism comprises a moving strip, a rubber pad, a guide strip, tooth grooves, a positioning mechanism, supporting strips and a guide structure, wherein the guide strips are oppositely arranged on the front side and the rear side of the moving strip, the guide strips are in sliding fit with the bottom of the supporting seat, the tooth grooves are formed in the tops of the moving strip, the positioning mechanism is arranged at the tops of the tooth grooves, and the guide structure is arranged at the right end of the inner side of the supporting seat.
Preferably, the bottom of rubber pad is arc-shaped structure, and the bottom of removal strip covers the rubber pad, the bottom of rubber pad and closely laminate, of course, the bottom of rubber pad also can be the level form, does not limit here.
Preferably, the support bar is arc structure, and support bar and the inboard sliding fit of guide structure, the bottom and the removal strip of support bar are fixed mutually, the support bar is provided with two altogether, and mutual parallel arrangement.
Preferably, the positioning mechanism comprises a plug, a connecting rod, a pressure spring, a moving block, a sliding groove, a sliding shaft, a pushing block, a push rod and a guide block, wherein the bottom of the plug is connected with the tooth groove in an inserting mode, the plug is fixed with the bottom of the connecting rod, the pressure spring is sleeved at the bottom of the connecting rod, the top of the pressure spring is fixed with the guide block, the connecting rod is fixedly connected with the bottom of the moving block, the sliding groove is formed in the middle of the moving block, the pushing block is fixed with the left end of the push rod, and the push rod is in sliding fit with the right lower end of the supporting seat.
Preferably, the sliding grooves are distributed in an inclined mode, the sliding shafts are in sliding fit with the inner walls of the sliding grooves, and the sliding shafts are fixed to the inner sides of the left ends of the pushing blocks and are convenient to move horizontally along with the pushing blocks.
Preferably, the cross section of the pushing block is of a shaped structure, and the moving block is embedded into the inner side of the groove, so that the pushing block can move horizontally conveniently, and the sliding shaft pushes the moving block to move.
Preferably, the cross section of the guide structure is an arc-shaped structure, and the inner wall of the guide structure is smooth.
Preferably, the inside upper end of guide structure is provided with the buffer block, guide structure's left lower extreme is provided with the leading wheel, and the quantity of leading wheel is provided with two, contacts with the left end wall of support bar, is convenient for guide the support bar, reduces support bar and removes frictional force.
Compared with the prior art, the utility model provides the coal mine electromechanical operation vibration monitoring device, which has the following beneficial effects:
this colliery electromechanical operation vibration monitoring device, push rod to the left end for the ejector pad drives the slide shaft and moves in the spout inboard, because the spout is the slope form and distributes, makes the slide shaft drive the movable block and upwards moves, makes the plug contact to the embedded state of tooth's socket, later promotes the movable strip to the left end, makes the cambered surface of rubber pad bottom closely laminate with the top of bearing frame, increases the laminating area of vibration sensor and bearing frame, makes vibration sensor and bearing frame be connected more firm, prevents to receive external force striking to empty, and when the movable strip removes, can make the support bar upwards slide in guide structure, leads the support bar through the leading wheel to the support bar, make support bar and movable strip be in triangle stable structure all the time, increase supporting stability.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is an enlarged schematic view of the structure of the vibration detecting end of the present utility model;
FIG. 3 is a schematic perspective view of the structure of the vibration detecting end of the present utility model;
FIG. 4 is a schematic view of the internal structure of the vibration detecting end of the present utility model;
FIG. 5 is a schematic view of the internal structure of the supporting mechanism of the present utility model;
FIG. 6 is an enlarged schematic view of FIG. 5A according to the present utility model;
FIG. 7 is a schematic perspective view of a positioning mechanism according to the present utility model;
fig. 8 is a schematic view of the internal structure of the guide structure of the present utility model.
In the figure: the vibration monitoring device comprises a bottom plate-1, a coal mine motor-2, a power module-3, a rotating shaft-4, a bearing seat-5, a vibration detection end structure-6, a vibration monitoring platform-7, a vibration sensor-61, a connecting wire-62, a supporting seat-63, a supporting mechanism-64, a magnet-65, a moving strip-641, a rubber pad-642, a guide strip-643, a tooth slot-644, a positioning mechanism-645, a supporting strip-646, a guide structure-647, a plug-64 a, a connecting rod-64 b, a pressure spring-64 c, a moving block-64 d, a chute-64 e, a sliding shaft-64 f, a pushing block-64 g, a pushing rod-64 h, a guide block-64 i, a guide wheel-6471 and a buffer block-6472.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
Referring to fig. 1, a coal mine electromechanical operation vibration monitoring device comprises a base plate 1; the bottom plate 1 is connected with the bottom of the coal mine motor 2 through bolts, and the coal mine motor 2 is electrically connected with the power module 3 through wires; the coal mine motor 2 is in transmission connection with the rotating shaft 4 by adopting a coupler, the rotating shaft 4 is movably connected with the inner sides of the bearing seats 5, the bearing seats 5 are provided with two groups, and the bottoms of the bearing seats 5 are connected with the bottom plate 1 by bolts; the top of the bearing pedestal 5 is connected with a vibration detection end structure 6, and the vibration detection end structure 6 is connected with a vibration monitoring platform 7.
Referring to fig. 2-4, a vibration detecting end structure 6 of a coal mine electromechanical operation vibration monitoring device includes a vibration sensor 61, a connecting wire 62, a supporting seat 63, a supporting mechanism 64 and a magnet 65, wherein the magnet 65 is adsorbed on the top of a bearing seat 5, the vibration sensor 61 is connected with a vibration monitoring platform 7 by adopting the connecting wire 62, the bottom of the vibration sensor 61 is connected with the supporting seat 63, the supporting mechanism 64 is oppositely arranged on the left side and the right side of the bottom of the supporting seat 63, the magnet 65 is arranged at the bottom of the supporting seat 63, the type of the vibration sensor 61 is CT1005C, the type of the output is an analog sensor, a processor is arranged in the vibration monitoring platform 7, the type of the processor is MT6795, the vibration sensor 61 freely sags against the vibration of a device detecting device, the processor can process the vibration detecting signal transmitted by the vibration sensor 61, and display the vibration detecting signal on the vibration monitoring platform 7 in a graphic mode to monitor the device operation vibration, and when the vibration is abnormal, the vibration monitoring platform 7 gives an alarm.
Referring to fig. 5, a vibration monitoring device for coal mine electromechanical operation is disclosed, the supporting mechanism 64 includes a moving bar 641, a rubber pad 642, a guiding bar 643, a tooth slot 644, a positioning mechanism 645, a supporting bar 646, and a guiding structure 647, wherein the guiding bar 643 is disposed on the front and rear sides of the moving bar 641, the guiding bar 643 is slidingly matched with the bottom of the supporting seat 63, the tooth slot 644 is disposed on the top of the moving bar 641, the positioning mechanism 645 is disposed on the top of the tooth slot 644, the guiding structure 647 is disposed on the right end of the inner side of the supporting seat 63, the bottom of the rubber pad 642 is in an arc structure, the bottom of the moving bar 641 is covered with the rubber pad 642, the bottom of the rubber pad 642 is tightly attached to the rubber pad, the supporting bar 646 is in an arc structure, the supporting bar 646 is slidingly matched with the inner side of the guiding structure 647, the bottom of the supporting bar 646 is fixed with the moving bar 641, and the two supporting bars 646 are disposed in parallel with each other.
Referring to fig. 6-7, a positioning mechanism 645 includes a plug 64a, a connecting rod 64b, a compression spring 64c, a moving block 64d, a sliding groove 64e, a sliding shaft 64f, a pushing block 64g, a pushing rod 64h, and a guiding block 64i, wherein the bottom of the plug 64a is inserted into the tooth groove 644, the plug 64a is fixed to the bottom of the connecting rod 64b, the bottom of the connecting rod 64b is sleeved with the compression spring 64c, the top of the compression spring 64c is fixed to the guiding block 64i, the connecting rod 64b is fixedly connected to the bottom of the moving block 64d, the middle of the moving block 64d is provided with the sliding groove 64e, the pushing block 64g is fixed to the left end of the pushing rod 64h, the pushing rod 64h is in sliding fit with the right lower end of the supporting seat 63, the sliding groove 64e is in an inclined shape, the sliding shaft 64f is in sliding fit with the inner wall of the sliding groove 64e, the sliding shaft 64f is fixed to the inner side of the left end of the pushing block 64g, the sliding shaft 64f is convenient to move horizontally along with the pushing block 64g, the inner side of the sliding block 64g is in a U-shaped structure, the moving block 64d is convenient to push the sliding block 64g to move horizontally, and the sliding block 64d is embedded into the sliding block 64f through the sliding block 64 d.
Example two
Referring to fig. 8, a vibration monitoring device for coal mine electromechanical operation is disclosed, the cross section of a guiding structure 647 is in an arc structure, the inner wall of the guiding structure 647 is smooth, a buffer block 6472 is arranged at the upper end of the inside of the guiding structure 647, guiding wheels 6471 are arranged at the lower left end of the guiding structure 647, two guiding wheels 6471 are arranged in number and are in contact with the left end wall of a supporting bar 646, so that the supporting bar 646 is conveniently guided, and the moving friction force of the supporting bar 646 is reduced.
In summary, the present description uses the monitoring of the rotation shaft 4 as an example, and of course, the vibration sensor 61 may be installed at other places of the coal mine electromechanical device to monitor the vibration condition at other places, because the rotation condition of the rotation shaft 4 is monitored, when the rotation of the rotation shaft 4 generates a certain change, such as the rotation speed is increased or decreased, the rotation vibration amplitude is increased, the vibration sensor can be rapidly monitored on the bearing seat 5;
when the vibration sensor 61 is required to be installed, the magnet 65 is adopted to be attached to the top of the bearing seat 5 in an adsorption mode, so that the vibration sensor 61 freely sags and abuts against the bearing seat 5;
meanwhile, pushing the push rod 64h to the left end, as shown in fig. 6, the push rod 64h drives the push block 64g to synchronously move, so that the push block 64g drives the sliding shaft 64f to move inside the sliding groove 64e, the sliding groove 64e is obliquely distributed, the sliding shaft 64f drives the moving block 64d to move upwards, the connecting rod 64b drives the plug 64a to synchronously move upwards, the compression spring 64c is pressed to deform, the plug 64a contacts the embedded state of the tooth groove 644, then the moving bar 641 is pushed to the left end, the cambered surface at the bottom of the rubber pad 642 is tightly attached to the top of the bearing seat 5, the attaching area of the vibration sensor 61 and the bearing seat 5 is increased, the connection between the vibration sensor 61 and the bearing seat 5 is more stable, external impact is prevented from being overturned, and the supporting mechanism 64 at the other end of the vibration sensor 61 is adjusted in the same way;
when the moving bar 641 moves, the supporting bar 646 slides upwards in the guide structure 647, and the supporting bar 646 is guided by the guide wheel 6471, so that the supporting bar 646 and the moving bar 641 are always in a triangular stable structure, and the supporting stability is improved;
when the contact surface of the vibration sensor 61 is a flat surface, the rubber pad 642 is replaced as needed.
The control mode of the utility model is controlled by manually starting and closing the switch, the wiring diagram of the power element and the supply of the power supply are common knowledge in the field, and the utility model is mainly used for protecting the mechanical device, so the utility model does not explain the control mode and the wiring arrangement in detail.
The control mode of the utility model is automatically controlled by the controller, the control circuit of the controller can be realized by simple programming of a person skilled in the art, the supply of power also belongs to common knowledge in the art, and the utility model is mainly used for protecting a mechanical device, so the utility model does not explain the control mode and circuit connection in detail.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a colliery electromechanical operation vibration monitoring devices which characterized in that: comprises a bottom plate (1);
the base plate (1) is connected with the bottom of the coal mine motor (2) through bolts, and the coal mine motor (2) is electrically connected with the power module (3) through wires;
the coal mine motor (2) is in transmission connection with the rotating shaft (4) by adopting a coupler, the rotating shaft (4) is movably connected with the inner side of the bearing seat (5), two groups of the bearing seats (5) are arranged, and the bottom of the bearing seat (5) is connected with the bottom plate (1) by bolts;
the top of the bearing seat (5) is connected with a vibration detection end structure (6), and the vibration detection end structure (6) is connected with a vibration monitoring platform (7);
the vibration detection end structure (6) comprises a vibration sensor (61), a connecting wire (62), a supporting seat (63), supporting mechanisms (64) and a magnet (65), wherein the magnet (65) is adsorbed to the top of a bearing seat (5), the vibration sensor (61) is connected with a vibration monitoring platform (7) through the connecting wire (62), the supporting seat (63) is connected to the bottom of the vibration sensor (61), the supporting mechanisms (64) are oppositely arranged on the left side and the right side of the bottom of the supporting seat (63), and the magnet (65) is arranged at the bottom of the supporting seat (63).
2. The coal mine electromechanical operation vibration monitoring device according to claim 1, wherein: supporting mechanism (64) are including removing strip (641), rubber pad (642), guide strip (643), tooth's socket (644), positioning mechanism (645), support bar (646), guide structure (647), the front and back both sides of removing strip (641) are provided with guide strip (643) relatively, and guide strip (643) and the bottom sliding fit of supporting seat (63), tooth's socket (644) have been seted up at the top of removing strip (641), and the top of tooth's socket (644) is provided with positioning mechanism (645), guide structure (647) have been seted up to supporting seat (63) inboard right-hand member.
3. The coal mine electromechanical operation vibration monitoring device according to claim 2, wherein: the bottom of rubber pad (642) is arc-shaped structure, and the bottom of removal strip (641) covers has rubber pad (642), the bottom and the inseparable laminating of rubber pad (642).
4. The coal mine electromechanical operation vibration monitoring device according to claim 2, wherein: the support bar (646) is of an arc-shaped structure, the support bar (646) is in sliding fit with the inner side of the guide structure (647), the bottom of the support bar (646) is fixed with the moving bar (641), and the support bar (646) is provided with two support bars in total and are arranged in parallel.
5. The coal mine electromechanical operation vibration monitoring device according to claim 2, wherein: positioning mechanism (645) include plug (64 a), connecting rod (64 b), pressure spring (64 c), movable block (64 d), spout (64 e), slide shaft (64 f), ejector pad (64 g), push rod (64 h), guide block (64 i), the bottom of plug (64 a) is pegged graft mutually with tooth groove (644), plug (64 a) is fixed mutually with the bottom of connecting rod (64 b), and pressure spring (64 c) have been cup jointed to the bottom of connecting rod (64 b), and the top of pressure spring (64 c) is fixed mutually with guide block (64 i), spout (64 e) have been seted up at the bottom fixed connection of connecting rod (64 b) and movable block (64 d), push rod (64 g) are fixed mutually with the left end of push rod (64 h), and the right lower extreme sliding fit of push rod (64 h) and supporting seat (63).
6. The coal mine electromechanical operation vibration monitoring device according to claim 5, wherein: the sliding grooves (64 e) are distributed in an inclined mode, the sliding shafts (64 f) are in sliding fit with the inner walls of the sliding grooves (64 e), and the sliding shafts (64 f) are fixed to the inner sides of the left ends of the pushing blocks (64 g).
7. The coal mine electromechanical operation vibration monitoring device according to claim 5, wherein: the cross section of the pushing block (64 g) is of a U-shaped structure, and the moving block (64 d) is embedded into the inner side of the U-shaped groove.
8. The coal mine electromechanical operation vibration monitoring device according to claim 2, wherein: the cross section of the guide structure (647) is of an arc-shaped structure, and the inner wall of the guide structure (647) is smooth.
9. The coal mine electromechanical operation vibration monitoring device according to claim 2, wherein: the inside upper end of guide structure (647) is provided with buffer block (6472), the lower left end of guide structure (647) is provided with leading wheel (6471), and the quantity of leading wheel (6471) is provided with two, contacts with the left end wall of support bar (646).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311339643.4A CN117073822B (en) | 2023-10-17 | 2023-10-17 | Coal mine electromechanical operation vibration monitoring device |
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| CN202311339643.4A CN117073822B (en) | 2023-10-17 | 2023-10-17 | Coal mine electromechanical operation vibration monitoring device |
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| CN117073822A true CN117073822A (en) | 2023-11-17 |
| CN117073822B CN117073822B (en) | 2023-12-15 |
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