CN116793668A - Mechanical vibration detection equipment - Google Patents
Mechanical vibration detection equipment Download PDFInfo
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- CN116793668A CN116793668A CN202210919526.4A CN202210919526A CN116793668A CN 116793668 A CN116793668 A CN 116793668A CN 202210919526 A CN202210919526 A CN 202210919526A CN 116793668 A CN116793668 A CN 116793668A
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Abstract
The application relates to the technical field of structural vibration detection, and in particular relates to mechanical vibration detection equipment, which aims at the problem that when a motor is connected with a stress element, vibration detection cannot be carried out on an output shaft of the motor; the radial positioning mechanism is used for fixing the radial position of the connecting shaft assembly and is arranged on the fixing ring; the axial positioning mechanism is arranged on the fixed ring, and the purpose of detecting radial and axial vibration of the motor output shaft in real time when the motor output shaft is kept connected with the driven element is achieved.
Description
Technical Field
The application relates to the technical field of structural vibration detection, in particular to mechanical vibration detection equipment.
Background
Mechanical vibration refers to the regular reciprocating motion of an object or particle near its equilibrium position. The intensity of the vibration is measured by the vibration quantity, which may be displacement, velocity or acceleration of the vibrator. If the vibration quantity exceeds the allowable range, the mechanical equipment generates larger dynamic load and noise, thereby influencing the working performance and the service life of the mechanical equipment, and early failure of parts can be caused when the vibration quantity is serious. For example, breakage of turbine blades due to vibration may cause serious accidents. As modern mechanical structures are increasingly complex, the movement speed is increasingly high, and the damage of vibration is more remarkable. On the contrary, a mechanical device operating on the principle of vibration should be able to generate the desired vibrations. In the field of mechanical engineering, there are fluid vibrations in addition to solid vibrations, as well as vibrations of solid and fluid couplings. Surging of an air compressor is a type of fluid vibration.
Vibration can also occur in the use process of the motor, the motor can cause damage to load machinery due to vibration, the precision of a workpiece is reduced, and the operation safety and reliability of the device are affected; to solve this problem, chinese patent: CN201920404161.5 discloses a motor shaft rotation stability detection device, including base and vibration detector body, vibration detector body sets up the top that is close to its one end on the base, the top fixedly connected with curb plate that is close to its other end on the base, the through-hole has been seted up to one side that is close to its top on the curb plate, the opposite side fixed mounting that is close to its top on the curb plate has the motor, the motor shaft of motor wears out the lateral part that the through-hole extended to the curb plate, the top fixedly connected with first guide rail in base middle part, sliding connection has the guide block on the first guide rail, the top threaded connection of guide block one side has the first adjusting bolt that offsets with first guide rail top surface, the top fixedly connected with guide box of guide block opposite side, sliding connection has the second guide rail in the guide box. The device has the advantages of simple structure and convenient operation, and solves the problem of inconvenient operation caused by complicated structure in the prior art.
But this patent has the following problems in combination with the prior art and the situation:
1. when the motor is not disconnected with the stress element, the axial movement of the motor cannot be detected;
2. when the motor shaft vibrates and then is detected, the working direction of the vibration sensor is difficult to be ensured to be perpendicular to the original axis position of the motor;
3. the driven element such as the load machine may endanger the safety of the personnel present at any time after the situation in which the output shaft of the motor vibrates.
Disclosure of Invention
To solve the technical problems.
The application provides mechanical vibration detection equipment, which comprises a connecting shaft assembly and a fixed ring, wherein the connecting shaft assembly and the fixed ring are coaxially arranged, the connecting shaft assembly is arranged on an output shaft of a motor, and the connecting shaft assembly is fixedly connected or rotatably connected with the output shaft; the vortex sensors are respectively arranged on the fixed ring and respectively face to the vertical direction of the radial surface, the horizontal direction of the radial surface and the axial surface of the connecting shaft assembly; the radial positioning mechanism is used for fixing the radial position of the connecting shaft assembly and is arranged on the fixing ring; and the axial positioning mechanism is used for fixing the axial position of the connecting shaft assembly and is arranged on the fixing ring.
Preferably, the connecting shaft assembly comprises a collar fixedly mounted on the output shaft of the motor, and the working ends of the eddy current sensors face the vertical direction of the radial surface of the collar, the horizontal direction of the radial surface and the axial end surface respectively.
Preferably, the connecting shaft assembly further comprises a bearing, the inner surface of the bearing is fixedly connected with the outer surface of the lantern ring, the movable ring is mounted on the outer surface of the bearing, the working ends of the plurality of eddy current sensors face the vertical direction of the radial surface of the movable ring, the horizontal direction of the radial surface and the axial end face of the movable ring respectively, the fixed ring is provided with a connecting module, and the fixed ring is movably connected with the movable ring through the plurality of connecting modules.
Preferably, the fixing ring is composed of an inner ring and an outer ring, the connecting module is arranged on the inner ring in a surrounding mode, the radial positioning mechanism is arranged on the outer ring, and the radial positioning mechanism is used for limiting the connecting module to move.
Preferably, the connecting module comprises a guide cylinder, the end part of the guide cylinder is provided with a first ball head, the inner ring is provided with a hole, and the first ball head is movably connected with the hole; and one end of the movable rod is provided with a second ball head, the outer surface of the movable ring is provided with a ball groove, the second ball head is movably connected with the ball groove, and the other end of the movable rod is slidably connected with the guide cylinder.
Preferably, the radial positioning mechanism comprises a locking rod, the locking rod is arranged on the fixed ring in a surrounding manner, the locking rod is in sliding connection with the fixed ring, the axial direction of the locking rod faces the circle center of the lantern ring, and the end part of the locking rod is provided with a first ball; and the first air bag is arranged on the fixed ring, and the expansion direction of the first air bag faces the stress end of the locking rod.
Preferably, the radial positioning mechanism comprises a locking rod, the locking rod is arranged on the outer ring in a surrounding manner, the locking rod is movably connected with the outer ring, and the output end of the locking rod penetrates through the first ball head and is positioned in the guide cylinder; and the first air bag is arranged on the inner surface of the outer ring, and the output end of the locking rod is abutted against the end part of the movable rod in the expansion state of the first air bag.
Preferably, the locking rod is sleeved with a movable head, the movable head is in sliding connection with the locking rod, a sliding groove is formed in the outer ring, the movable head is in movable connection with the sliding groove, a first limiting piece is arranged at one end, far away from the guide cylinder, of the locking rod, a first spring is sleeved on the locking rod, two ends of the first spring respectively abut against the first limiting piece and the movable head, a pressed piece is arranged on the locking rod, and the pressed piece is pushed to move in a first air bag expansion state.
Preferably, the axial positioning mechanism comprises a limiting plate and a second air bag, the two ends of the fixing ring are respectively provided with an ear plate, the second air bag is arranged on the ear plate, the limiting plate is arranged on the second air bag, and the limiting plate is pushed to move towards the lantern ring under the expansion state of the second air bag.
Preferably, one face of the limiting plate is provided with a plurality of second balls, the other face of the limiting plate is provided with a limiting rod, the limiting plate is in sliding connection with the lug plate through the limiting rod, the end part of the limiting rod is provided with a second limiting piece, the limiting rod is sleeved with a second spring, two ends of the second spring respectively abut against the lug plate and the second limiting piece, and the second air bag is located between the limiting plate and the lug plate.
Compared with the prior art, the application has the following beneficial effects:
1. according to the application, through the arrangement of the connecting shaft assembly, the fixed ring and the vortex sensor, the purpose of real-time radial and axial vibration detection of the motor output shaft when the motor output shaft is kept connected with the driven element is realized, and the problem that the motor output shaft is disconnected from the driven element to perform axial vibration detection is solved;
2. the application realizes the purpose of controlling the vibration of the motor output shaft to maintain production through the arrangement of the connecting shaft assembly, the fixed ring, the radial positioning mechanism and the axial positioning mechanism, and avoids the problem that the safety of personnel on the scene is possibly endangered by load machinery or driven elements at any time after the vibration condition of the motor output shaft occurs.
Drawings
FIG. 1 is a schematic perspective view of the present application;
FIG. 2 is a front view of the present application;
FIG. 3 is a schematic diagram of a second perspective structure of the present application;
FIG. 4 is a top view of the present application;
FIG. 5 is a cross-sectional view taken along the direction A-A of FIG. 4;
FIG. 6 is a schematic perspective view of FIG. 5;
FIG. 7 is an enlarged view at B of FIG. 5;
FIG. 8 is a schematic perspective exploded view of the coupling assembly of the present application;
FIG. 9 is a schematic perspective view of a third embodiment of the present application;
FIG. 10 is a side view of the present application;
fig. 11 is a schematic perspective view of a motor.
The reference numerals in the figures are:
1-a connecting shaft assembly; 1 a-collar; 1a 1-notch; 1a 2-a first retainer ring; 1 b-bond; 1b 1-jackscrew; 1 c-a bearing; 1 d-a movable ring; 1 e-a second retainer ring;
2-a fixed ring; 2 A-A fixing frame; 2 b-connecting the modules; 2b 1-a guide cylinder; 2b 2-a first ball head; 2b 3-a movable rod; 2b 4-a second ball head; 2 c-an inner ring; 2 d-an outer ring; 2 e-ear panels;
3-eddy current sensor;
4-a radial positioning mechanism; 4 A-A locking lever; 4a 1-a movable head; 4a 2-a first limiting piece; 4a 3-a first spring; 4a 4-compressed tablet; 4 b-a first balloon; 4b 1-ring shape; 4 c-first balls;
5-an axial positioning mechanism; 5 a-limiting plates; 5a 1-second balls; 5a 2-limit rod; 5a 3-a second limiting piece; 5a 4-a second spring; 5 b-a second balloon;
6-an electric motor; 6 A-An output shaft; 6a 1-keyway;
7-a frame plate;
8-bearing seats.
Detailed Description
The following description is presented to enable one of ordinary skill in the art to make and use the application. The preferred embodiments in the following description are by way of example only and other obvious variations will occur to those skilled in the art.
As shown in fig. 1 to 11, the following preferred technical solutions are provided:
first embodiment: the mechanical vibration detection equipment comprises a connecting shaft assembly 1 and a fixed ring 2, wherein the connecting shaft assembly 1 and the fixed ring 2 are coaxially arranged, the connecting shaft assembly 1 is arranged on an output shaft 6a of a motor 6, the connecting shaft assembly 1 is fixedly connected or rotatably connected with the output shaft 6a, the motor 6 is arranged on one side of a frame plate 7, a bearing seat 8 is arranged on the other side of the frame plate 7, the output shaft 6a of the motor 6 sequentially penetrates through the frame plate 7, the bearing seat 8 and the connecting shaft assembly 1, finally, the output shaft 6a of the motor 6 is connected with a stress end of the equipment or a mechanism, the fixed ring 2 and the bearing seat 8 are coaxially arranged, and the fixed ring 2 is arranged on the frame plate 7 through the fixing frame 2 a; and
the eddy current sensors 3 are respectively arranged on the fixed ring 2, and the eddy current sensors 3 face the radial surface vertical direction, the radial surface horizontal direction and the axial surface of the connecting shaft assembly 1 respectively; and
the radial positioning mechanism 4 is used for fixing the radial position of the connecting shaft assembly 1, and the radial positioning mechanism 4 is arranged on the fixed ring 2; and
the axial positioning mechanism 5 is used for fixing the axial position of the connecting shaft assembly 1, and the axial positioning mechanism 5 is arranged on the fixed ring 2;
the connecting shaft assembly 1 comprises a sleeve ring 1a, a notch 1a1 is formed in the sleeve ring 1a, the sleeve ring 1a is sleeved on an output shaft 6a of the motor 6, a key 1b is inserted into a key groove 6a1 of the output shaft 6a through the notch 1a1, then the key 1b is connected with the sleeve ring 1a through a jackscrew 1b1, and working ends of a plurality of eddy current sensors 3 face to the vertical direction of a radial surface of the sleeve ring 1a, the horizontal direction of the radial surface and the axial end surface respectively;
the radial positioning mechanism 4 comprises a locking rod 4a, the locking rod 4a is arranged on the fixed ring 2, the locking rod 4a is in sliding connection with the fixed ring 2, the axial direction of the locking rod 4a faces the circle center of the lantern ring 1a, and a first ball 4c is arranged at the end part of the locking rod 4 a; and a first balloon 4b, the first balloon 4b is arranged on the fixed ring 2, and the expansion direction of the first balloon 4b faces the stress end of the locking rod 4 a;
the axial positioning mechanism 5 comprises a limiting plate 5a and a second air bag 5b, two ends of the fixed ring 2 are respectively provided with an ear plate 2e, one surface of the limiting plate 5a is provided with a plurality of second balls 5a1, the other surface of the limiting plate 5a is provided with a limiting rod 5a2, the limiting plate 5a is in sliding connection with the ear plate 2e through the limiting rod 5a2, the end part of the limiting rod 5a2 is provided with a second limiting piece 5a3, a second spring 5a4 is sleeved on the limiting rod 5a2, two ends of the second spring 5a4 respectively abut against the ear plate 2e and the second limiting piece 5a3, the second air bag 5b is arranged on the ear plate 2e, the second air bag 5b is positioned between the limiting plate 5a and the ear plate 2e, and the limiting plate 5a is pushed to move towards the lantern ring 1a in an expanded state;
specifically, in order to solve the technical problems that when the motor 6 is connected with the stress element, the axial movement of the motor 6 cannot be detected, and after the output shaft 6a of the motor 6 vibrates, the driven element such as a load machine may harm the safety of personnel in the field at any time, in the process of the motor 6 working, the three eddy current sensors 3 detect the movement of the connecting shaft assembly 1 in the vertical direction and the horizontal direction of the radial surface of the collar 1a in real time, the two eddy current sensors 3 detect the axial movement of the collar 1a, a small coil is arranged in the probe of the eddy current sensor 3, an oscillating electromagnetic field is generated by the control of the controller, the surface of the collar 1a of the measured body generates an induced current, and a reverse electromagnetic field is generated, when the collar 1a approaches the probe, the eddy current sensor 3 judges the distance between the connecting shaft assembly and the measured collar 1a according to the strength of the reverse electromagnetic field, and several modes of the vibration of the output shaft 6a of the motor 6 can be known according to the data obtained by the three eddy current sensors 3: 1. the output shaft 6a of the motor 6 is vertical movement of a radial surface; 2. the output shaft 6a of the motor 6 is horizontal movement of the radial surface; 3. the output shaft 6a of the motor 6 is axially shifted; 4. the output shaft 6a of the motor 6 is the vertical movement of the radial surface plus the horizontal movement of the radial surface; 5. the output shaft 6a of the motor 6 is vertical movement of a radial surface and the output shaft 6a of the motor 6 is axial movement; 6. an output shaft 6a of the motor 6 is horizontal movement and axial movement of a radial surface; 7. the output shaft 6a of the motor 6 simultaneously exhibits vertical play of the radial surface, horizontal play of the radial surface and axial play. The vibration of the output shaft 6a of the motor 6 can be rapidly determined by the data fed back by the eddy current sensor 3, and the motor 6 is maintained by adopting a targeted method, as shown in the figure, the output end of the motor 6 is mainly supported by the bearing seat 8, when the bearing seat 8 is damaged or aged, the output shaft 6a of the motor 6 is damaged under the action of long-term direct force, so that the output shaft 6a cannot stably work and vibrate, and under the condition that the detected damage cannot be timely maintained but the production progress is ensured, the radial positioning mechanism 4 and the axial positioning mechanism 5 are controlled to work simultaneously or singly according to the vibration mode of the output shaft 6a of the motor 6, so that the stable work of the output shaft 6a of the motor 6 is temporarily ensured, gas is injected into the first gas bag 4b through the gas pump, the first gas bag 4b expands and pushes the locking rod 4a, the plurality of locking rods 4a are arranged around the fixed ring 2 and move towards the axis of the lantern ring 1a, the radial position of the output shaft 6a of the motor 6 is fixed through the lantern ring 1a, the first balls 4c at the end parts of the locking rods 4a are used for guaranteeing that the end parts of the locking rods 4a cannot be worn in the process that the lantern ring 1a rotates along with the output shaft 6a of the motor 6, air is injected into the second air bags 5b through the air pump, the second air bags 5b expand and push the limiting plates 5a, the limiting plates 5a separated from the two ends of the fixed ring 2 are simultaneously close to the two ends of the lantern ring 1a, so that axial movement of the output shaft 6a of the motor 6 is limited, the second balls 5a1 are used for guaranteeing that the surface of the limiting plates 5a cannot be worn in the process that the lantern ring 1a rotates along with the output shaft 6a of the motor 6, and the limiting plates 5a2, the second limiting plates 5a3 and the second springs 5a4 are used for controlling the non-expanded state of the second air bags 5 b.
As shown in fig. 1 to 11, the following preferred technical solutions are provided:
second embodiment: the connecting shaft assembly 1 further comprises a bearing 1c, the inner surface of the bearing 1c is fixedly connected with the outer surface of the lantern ring 1a, a first check ring 1a2 is arranged at one end of the lantern ring 1a, a second check ring 1e is detachably arranged at the other end of the lantern ring 1a, the bearing 1c is arranged between the first check ring 1a2 and the second check ring 1e, the lantern ring 1a is sleeved on an output shaft 6a of the motor 6, a key 1b is inserted into a key groove 6a1 of the output shaft 6a through a notch 1a1, then the second check ring 1e, the lantern ring 1a and the key 1b are sequentially connected through a jackscrew 1b1, a movable ring 1d is arranged on the outer surface of the bearing 1c, the working ends of the eddy current sensors 3 face the vertical direction of the radial surface of the movable ring 1d and the horizontal direction of the radial surface respectively, and the axial end face are provided with a connecting module 2b, and the fixed ring 2 is movably connected with the movable ring 1d through a plurality of connecting modules 2 b.
The connecting module 2b comprises a guide cylinder 2b1, a first ball head 2b2 is arranged at the end part of the guide cylinder 2b1, a hole is formed in the inner ring 2c, and the first ball head 2b2 is movably connected with the hole; the movable rod 2b3, one end of the movable rod 2b3 is provided with a second ball head 2b4, the outer surface of the movable ring 1d is provided with a ball groove, the second ball head 2b4 is movably connected with the ball groove, and the other end of the movable rod 2b3 is slidably connected with the guide cylinder 2b 1;
the radial positioning mechanism 4 comprises a locking rod 4a, the locking rod 4a is arranged on an outer ring 2d in a surrounding mode, the output end of the locking rod 4a penetrates through a first ball head 2b2 and is positioned in a guide cylinder 2b1, a movable head 4a1 is sleeved on the locking rod 4a, the movable head 4a1 is in sliding connection with the locking rod 4a, a sliding groove is formed in the outer ring 2d, the movable head 4a1 is movably connected with the sliding groove, a first limiting piece 4a2 is arranged at one end, far away from the guide cylinder 2b1, of the locking rod 4a, a first spring 4a3 is sleeved on the locking rod 4a, two ends of the first spring 4a3 respectively abut against the first limiting piece 4a2 and the movable head 4a1, a pressed piece 4a is arranged on the locking rod 4a, and a first air bag 4b is arranged on the inner surface of the outer ring 2d, and the pressed piece 4a is pushed under the expansion state of the first air bag 4b so that the output end of the locking rod 4a abuts against the end of the movable rod 2b 3;
specifically, in order to solve the technical problem that the collar 1a vibrates in the rotation process along with the output shaft 6a of the motor 6, so that the collar 1a directly contacts the eddy current sensor 3 to damage the probe in the rotation process, the movable ring 1d is connected with the inner ring 2c through the connection module 2b, the movable ring 1d is connected with the collar 1a through the bearing 1c, the movable ring 1d can be prevented from rotating along with the collar 1d when the collar 1a rotates along with the output shaft 6a of the motor 6, but the movable ring 1d needs to perform radial and axial movement at a certain distance so that the eddy current sensor 3 detects the vibration data of the output shaft 6a of the motor 6, the movable ring 1d needs to have a certain movement range at the same time, the movable ring 1d can move within a certain range through the arrangement of the connection module 2b, but at the same time, the movable ring 1d can possibly rotate when the output end of the motor 6 initially rotates, however, the vibration detection process is not affected due to the limitation of the rotation angle, when the output shaft 6a of the motor 6 vibrates radially, air is injected into the first air bag 4b through the air pump, the first air bag 4b expands and pushes the pressed pieces 4a4 on the plurality of locking rods 4a, the pressed pieces 4a drive the end parts of the locking rods 4a to extend into the guide cylinder 2b1, the movable rods 2b3 of the plurality of connecting modules 2b are in an excessively extending state due to the change of the radial positions of the movable ring 1d, and the movable rods 2b3 are in an excessively contracting state, so that the locking rods 4a at corresponding positions extend into the guide cylinder 2b1 to push out the movable rods 2b3 in the excessively contracting state, or the excessive contraction condition of the excessively extending movable rods 2b3 is avoided after the locking rods 4a extend, and the purpose of fixing the radial positions of the movable ring 1d is finally achieved.
The foregoing has shown and described the basic principles, principal features and advantages of the application. It will be understood by those skilled in the art that the present application is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present application, and various changes and modifications may be made therein without departing from the spirit and scope of the application, which is defined by the appended claims. The scope of the application is defined by the appended claims and equivalents thereof.
Claims (10)
1. The mechanical vibration detection equipment is characterized by comprising a connecting shaft assembly (1) and a fixed ring (2), wherein the connecting shaft assembly (1) and the fixed ring (2) are coaxially arranged, the connecting shaft assembly (1) is arranged on an output shaft (6 a) of a motor (6), and the connecting shaft assembly (1) is fixedly connected or rotatably connected with the output shaft (6 a); and
the vortex flow sensors (3) are respectively arranged on the fixed ring (2), and the vortex flow sensors (3) face to the vertical direction of the radial surface, the horizontal direction of the radial surface and the axial surface of the connecting shaft assembly (1); and
the radial positioning mechanism (4) is used for fixing the radial position of the connecting shaft assembly (1), and the radial positioning mechanism (4) is arranged on the fixed ring (2); and
the axial positioning mechanism (5) is used for fixing the axial position of the connecting shaft assembly (1), and the axial positioning mechanism (5) is arranged on the fixed ring (2).
2. A mechanical vibration detecting device according to claim 1, characterized in that the coupling assembly (1) comprises a collar (1 a), the collar (1 a) being fixedly mounted on the output shaft (6 a) of the motor (6), the working ends of the plurality of eddy current sensors (3) being directed in a vertical direction of the radial surface of the collar (1 a), in a horizontal direction of the radial surface, and at the axial end surfaces, respectively.
3. The mechanical vibration detection device according to claim 2, wherein the connecting shaft assembly (1) further comprises a bearing (1 c), the inner surface of the bearing (1 c) is fixedly connected with the outer surface of the collar (1 a), the movable ring (1 d) is mounted on the outer surface of the bearing (1 c), the working ends of the plurality of eddy current sensors (3) face the vertical direction of the radial surface of the movable ring (1 d) and the horizontal direction of the radial surface respectively, and the axial end surface is provided with a connecting module (2 b) on the fixed ring (2), and the fixed ring (2) is movably connected with the movable ring (1 d) through the plurality of connecting modules (2 b).
4. A mechanical vibration detecting device according to claim 3, characterized in that the fixed ring (2) is composed of an inner ring (2 c) and an outer ring (2 d), the connection module (2 b) is circumferentially arranged on the inner ring (2 c), the radial positioning mechanism (4) is arranged on the outer ring (2 d), and the radial positioning mechanism (4) is used for limiting the movement of the connection module (2 b).
5. The mechanical vibration detection device according to claim 4, wherein the connecting module (2 b) comprises a guide cylinder (2 b 1), a first ball head (2 b 2) is arranged at the end part of the guide cylinder (2 b 1), a hole is formed in the inner ring (2 c), and the first ball head (2 b 2) is movably connected with the hole; and
the movable rod (2 b 3), one end of the movable rod (2 b 3) is provided with a second ball head (2 b 4), the outer surface of the movable ring (1 d) is provided with a ball groove, the second ball head (2 b 4) is movably connected with the ball groove, and the other end of the movable rod (2 b 3) is slidably connected with the guide cylinder (2 b 1).
6. A mechanical vibration detecting device according to claim 2, characterized in that the radial positioning mechanism (4) comprises a locking rod (4 a), the locking rod (4 a) is arranged on the fixed ring (2) in a surrounding way, the locking rod (4 a) is connected with the fixed ring (2) in a sliding way, the axial direction of the locking rod (4 a) faces the center of the collar (1 a), and the end part of the locking rod (4 a) is provided with a first ball (4 c); and
the first air bag (4 b), the first air bag (4 b) is arranged on the fixed ring (2), and the expansion direction of the first air bag (4 b) faces the stress end of the locking rod (4 a).
7. The mechanical vibration detection device according to claim 5, wherein the radial positioning mechanism (4) comprises a locking rod (4 a), the locking rod (4 a) is circumferentially arranged on the outer ring (2 d), the locking rod (4 a) is movably connected with the outer ring (2 d), and the output end of the locking rod (4 a) penetrates through the first ball head (2 b 2) and is positioned in the guide cylinder (2 b 1); and
the first air bag (4 b), the first air bag (4 b) sets up in the internal surface of outer loop (2 d), and the output of locking lever (4 a) is contradicted movable rod (2 b 3) tip under the inflation state of first air bag (4 b).
8. The mechanical vibration detection device according to claim 7, wherein the locking rod (4 a) is sleeved with a movable head (4 a 1), the movable head (4 a 1) is slidably connected with the locking rod (4 a), a chute is formed in the outer ring (2 d), the movable head (4 a 1) is movably connected with the chute, one end, far away from the guide cylinder (2 b 1), of the locking rod (4 a) is provided with a first limiting piece (4 a 2), the locking rod (4 a) is sleeved with a first spring (4 a 3), two ends of the first spring (4 a 3) respectively abut against the first limiting piece (4 a 2) and the movable head (4 a 1), the locking rod (4 a) is provided with a pressed piece (4 a 4), and the pressed piece (4 a 4) is pushed to move under the expansion state of the first air bag (4 b).
9. The mechanical vibration detection device according to claim 2, wherein the axial positioning mechanism (5) comprises a limiting plate (5 a) and a second air bag (5 b), the two ends of the fixing ring (2) are respectively provided with an ear plate (2 e), the second air bag (5 b) is arranged on the ear plate (2 e), the limiting plate (5 a) is arranged on the second air bag (5 b), and the limiting plate (5 a) is pushed to move towards the lantern ring (1 a) in the expanded state of the second air bag (5 b).
10. The mechanical vibration detection device according to claim 9, wherein one surface of the limiting plate (5 a) is provided with a plurality of second balls (5 a 1), the other surface of the limiting plate (5 a) is provided with a limiting rod (5 a 2), the limiting plate (5 a) is slidably connected with the ear plate (2 e) through the limiting rod (5 a 2), the end part of the limiting rod (5 a 2) is provided with a second limiting plate (5 a 3), the limiting rod (5 a 2) is sleeved with a second spring (5 a 4), two ends of the second spring (5 a 4) respectively abut against the ear plate (2 e) and the second limiting plate (5 a 3), and the second air bag (5 b) is positioned between the limiting plate (5 a) and the ear plate (2 e).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210919526.4A CN116793668A (en) | 2022-08-02 | 2022-08-02 | Mechanical vibration detection equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210919526.4A CN116793668A (en) | 2022-08-02 | 2022-08-02 | Mechanical vibration detection equipment |
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| CN116793668A true CN116793668A (en) | 2023-09-22 |
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| CN202210919526.4A Pending CN116793668A (en) | 2022-08-02 | 2022-08-02 | Mechanical vibration detection equipment |
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Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
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