CN111236386B - Hush pipe that fail safe nature is high with leak protection function - Google Patents
Hush pipe that fail safe nature is high with leak protection function Download PDFInfo
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- CN111236386B CN111236386B CN202010045313.4A CN202010045313A CN111236386B CN 111236386 B CN111236386 B CN 111236386B CN 202010045313 A CN202010045313 A CN 202010045313A CN 111236386 B CN111236386 B CN 111236386B
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F3/00—Sewer pipe-line systems
- E03F3/04—Pipes or fittings specially adapted to sewers
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F3/00—Sewer pipe-line systems
- E03F3/06—Methods of, or installations for, laying sewer pipes
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Abstract
The invention relates to a sound-deadening pipe with a leakage-proof function and high safety reliability, which comprises a sound-deadening pipe, an anti-freezing mechanism and a leakage-proof mechanism, wherein the anti-freezing mechanism comprises a movable plate, a driving assembly, a spring, a connecting box, a limiting assembly, two fixed plates, two rotating assemblies and a plurality of electric heating wires, the leakage-proof mechanism comprises a fixed box, two leakage-proof assemblies and two ultrasonic detectors, the leakage-proof assemblies comprise nozzles, fixed rods and connecting pipes, the sound-deadening pipe with the leakage-proof function and high safety reliability can heat the sound-deadening pipe through the anti-freezing mechanism, and the sound-deadening pipe is prevented from being damaged due to the freezing of sewage in the sound-deadening pipe, so that the safety reliability of the sound-deadening pipe is improved, the glue can be coated at the crack of the sound-deadening pipe through the leakage-proof mechanism.
Description
Technical Field
The invention relates to the field of noise reduction equipment, in particular to a noise reduction pipe with a leakage-proof function and high safety and reliability.
Background
The silencing pipe is a pipe with a silencing function used in a drainage system, and the direction of fluid is normalized by reducing the collision of water flow with irregularly moving air and pipe walls, so that the noise is reduced, and the silencing effect is achieved.
The existing silencing pipe is used for silencing when in work, when the external environment temperature is too low, the phenomenon that the sewage discharged from the silencing pipe is frozen easily is caused, so that the sewage discharging capacity of the silencing pipe is influenced, the damage probability of the silencing pipe is increased, the safety and reliability of the existing silencing pipe are reduced, furthermore, the existing silencing pipe is easy to crack after long-term work, so that the sewage is discharged from the crack, the discharge of the sewage is influenced, and the practicability of the existing silencing pipe is reduced.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: in order to overcome the defects of the prior art, the silencing pipe with the leakage-proof function and high safety and reliability is provided.
The technical scheme adopted by the invention for solving the technical problems is as follows: a hush pipe with leakage-proof function and high safety and reliability comprises a hush pipe, an anti-freezing mechanism and a leakage-proof mechanism, wherein the anti-freezing mechanism and the leakage-proof mechanism are arranged on the hush pipe, and the anti-freezing mechanism is connected with the leakage-proof mechanism;
the anti-freezing mechanism comprises a movable plate, a driving assembly, a spring, a connecting box, a limiting assembly, two fixed plates, two rotating assemblies and a plurality of heating wires, wherein the two fixed plates are respectively fixed at two ends of a silencing pipe, a through hole is formed in the movable plate, the silencing pipe penetrates through the through hole, the driving assembly is arranged on one of the fixed plates, the driving assembly is connected with one side of the movable plate, two ends of the spring are respectively connected with one side of the movable plate and one fixed plate close to the driving assembly, the connecting box is connected with the other side of the movable plate through the limiting assembly, the connecting box is annular, the connecting box and the silencing pipe are coaxially arranged, the heating wires are uniformly fixed in the connecting box in the circumferential direction, air outlet holes are uniformly formed in the circumferential direction of one side of the connecting box close to the silencing pipe and are communicated with the connecting box, and convex teeth are uniformly fixed in the circumferential direction, the two rotating assemblies are symmetrically arranged about the axis of the silencing pipe, the moving plate is provided with two small holes, the small holes correspond to the rotating assemblies one by one, the rotating assemblies are connected with the moving plate, the rotating assemblies are connected with the convex teeth, and the leakage-proof mechanism is connected with one side of the connecting box, which is far away from the moving plate;
the anti-leakage mechanism comprises a fixed box, two anti-leakage assemblies and two ultrasonic detectors, the anti-leakage assemblies correspond to the ultrasonic detectors one by one, the fixed box is fixed on one side of the connecting box, which is far away from the moving plate, the two anti-leakage assemblies are symmetrically arranged about the axis of the silencing pipe, and glue is arranged in the fixed box;
the anti-leakage assembly comprises a nozzle, a fixed rod and a connecting pipe, the nozzle is fixed on one side, far away from the movable plate, of the connecting box through the fixed rod, the nozzle is communicated with the fixed box through the connecting pipe, and the ultrasonic detector is fixed on one side, close to the silencing pipe, of the fixed rod.
Preferably, in order to drive the moving plate to move, the fixing assembly comprises a motor, a turntable and a pull wire, the motor is fixed on the fixing plate and is in transmission connection with the turntable, one end of the pull wire is wound on the turntable, and the other end of the pull wire is fixedly connected with the moving plate.
Preferably, in order to drive the connecting box to rotate, the rotating assembly comprises a screw, a ball screw bearing, a first gear, a guide unit, a connecting unit and two first bearings, the first bearings correspond to the fixed plates one by one, the first bearings are fixed on one side of the fixed plates close to the movable plate, two ends of the screw rod are respectively and fixedly connected with the inner rings of the two first bearings, the ball screw bearings correspond to the small holes one by one, the outer ring of the ball screw bearing is fixedly connected with the inner wall of the small hole, the ball screw bearing is sleeved on the screw rod, the joint of the ball screw bearing and the screw rod is provided with a thread matched with the screw rod, the first gear is provided with a round hole, the screw rod penetrates through the round hole, the first gear is connected with the screw rod through the connecting unit and meshed with the convex teeth, and the first gear is connected with the moving plate through the guide unit.
Preferably, in order to drive the first gear to rotate, the connecting unit comprises three connecting rods, three grooves are formed in the screw rod and correspond to the connecting rods one to one, one end of each connecting rod is circumferentially and uniformly fixed on the inner wall of the corresponding round hole, the other end of each connecting rod is arranged inside the corresponding groove, and the connecting rods are connected with the corresponding grooves in a sliding mode.
Preferably, in order to limit the rotation direction of the first gear, the guide unit includes a plurality of guide rods, two first annular grooves are formed in one side, close to the connection box, of the moving plate, the first annular grooves correspond to the first gears one to one, one ends of the guide rods are fixedly connected with one sides, close to the moving plate, of the first gears, the other ends of the guide rods are arranged inside the first annular grooves, the other ends of the guide rods are matched with the first annular grooves, and the guide rods are connected with the first annular grooves in a sliding mode.
Preferably, for the direction of rotation of restriction connecting box, spacing subassembly includes a plurality of gag lever posts, one side that is close to the connecting box of movable plate is equipped with the second ring channel, the one end circumference of gag lever post is evenly fixed in one side that is close to the movable plate of connecting box, the other end setting of gag lever post is in the inside of second ring channel, the other end and the second ring channel of gag lever post match, gag lever post and second ring channel sliding connection.
Preferably, in order to avoid the separation of the limiting rod and the guide rod from the moving plate, the first annular groove and the second annular groove are dovetail grooves.
Preferably, in order to prolong the service life of the screw rod, the screw rod is coated with an anti-corrosion zinc coating.
Preferably, the first gear is coated with grease in order to make the connection box smoothly rotate.
Preferably, the motor is a servo motor for precise and stable operation of the motor.
The anti-leakage silencing pipe has the advantages that the anti-leakage silencing pipe with the function of safety and high reliability can be heated through the anti-freezing mechanism, the silencing pipe is prevented from being damaged due to freezing of sewage in the silencing pipe, the safety and the reliability of the silencing pipe are improved, compared with the existing anti-freezing mechanism, the anti-freezing mechanism can drive the connecting box to rotate when moving, the sewage is heated uniformly, the anti-freezing effect is improved, glue can be coated at the crack of the silencing pipe through the anti-leakage mechanism, the anti-leakage function is realized, the influence on the circulation of the sewage due to leakage of the silencing pipe is avoided, compared with the existing anti-leakage mechanism, the anti-leakage mechanism and the anti-freezing mechanism are integrated into a linkage mechanism, the ultrasonic detector and the nozzle are enabled to move and rotate simultaneously, the detection range is expanded, and the anti-leakage effect is improved.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic view showing the construction of a noise-canceling pipe of the present invention having a leakage-preventing function and high safety and reliability;
FIG. 2 is a schematic view showing the structure of the inside of the connection box of the muffler pipe of the present invention having a leakage preventing function and high safety and reliability;
FIG. 3 is an enlarged view of portion A of FIG. 1;
FIG. 4 is a schematic view showing a structure of a connection unit of a muffler pipe having a leakage preventing function and high safety and reliability according to the present invention;
in the figure: 1. the ultrasonic testing device comprises a silencing pipe, 2 parts of a fixing plate, 3 parts of a motor, 4 parts of a rotating disc, 5 parts of a pull wire, 6 parts of a moving plate, 7 parts of a spring, 8 parts of a connecting box, 9 parts of an electric heating wire, 10 parts of convex teeth, 11 parts of a limiting rod, 12 parts of a lead screw, 13 parts of a ball screw bearing, 14 parts of a first gear, 15 parts of a connecting rod, 16 parts of a guide rod, 17 parts of a fixing box, 18 parts of a fixing rod, 19 parts of a nozzle, 20 parts of a connecting pipe and 21 parts of an ultrasonic detector.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
As shown in fig. 1, the hush pipe with leakage-proof function and high safety and reliability comprises a hush pipe 1, an anti-freezing mechanism and a leakage-proof mechanism, wherein the anti-freezing mechanism and the leakage-proof mechanism are both arranged on the hush pipe 1, and the anti-freezing mechanism is connected with the leakage-proof mechanism;
a PLC, i.e., a programmable logic controller, which employs a programmable memory for storing therein a program, executing instructions for user-oriented operations such as logic operation, sequence control, timing, counting, and arithmetic operation, and controlling various types of machines or production processes through digital or analog input/output, is essentially a computer dedicated for industrial control, has a hardware structure substantially the same as that of a microcomputer, and is generally used for data processing and instruction reception and output for realizing central control.
This hush pipe that fail safe nature is high with leak protection function can carry out heating work to hush pipe 1 through preventing frostbite mechanism, avoids the sewage in hush pipe 1 to freeze and damage hush pipe 1 to improved hush pipe 1's fail safe nature, through leak protection mechanism, can paint glue to hush pipe 1's crack department, realized leak protection function, avoid hush pipe 1 to leak and influence the circulation of sewage.
As shown in fig. 1-2, the anti-freezing mechanism includes a moving plate 6, a driving assembly, a spring 7, a connecting box 8, a limiting assembly, two fixing plates 2, two rotating assemblies and a plurality of heating wires 9, the two fixing plates 2 are respectively fixed at two ends of the silencing tube 1, the moving plate 6 is provided with a through hole, the silencing tube 1 passes through the through hole, the driving assembly is arranged on one of the fixing plates 2, the driving assembly is connected with one side of the moving plate 6, two ends of the spring 7 are respectively connected with one side of the moving plate 6 and one fixing plate 2 close to the driving assembly, the connecting box 8 is connected with the other side of the moving plate 6 through the limiting assembly, the connecting box 8 is annular, the connecting box 8 and the silencing tube 1 are coaxially arranged, the heating wires 9 are circumferentially and uniformly fixed inside the connecting box 8, and one side of the connecting box 8 close to the silencing tube 1 is circumferentially and uniformly provided with air outlet, the air outlet is communicated with the connecting box 8, convex teeth 10 are uniformly fixed on the periphery of the connecting box 8 in the circumferential direction, the two rotating assemblies are symmetrically arranged about the axis of the silencing pipe 1, the moving plate 6 is provided with two small holes, the small holes correspond to the rotating assemblies one by one, the rotating assemblies are connected with the moving plate 6, the rotating assemblies are connected with the convex teeth 10, and the leakage-proof mechanism is connected with one side of the connecting box 8, which is far away from the moving plate 6;
when the anti-freezing operation is performed, the operation of the heating wire 9 is controlled, the air in the connecting box 8 is heated, the heated air is discharged through the air outlet, the heating operation is performed on the silencing pipe 1, the operation of the driving assembly is controlled again, the movable plate 6 is driven to move along the silencing pipe 1, the connecting box 8 rotates along the silencing pipe 1, the movable plate 6 can also drive the rotating assembly to operate when moving, the connecting box 8 rotates, the connecting box 8 moves and rotates at the same time, the heating range is expanded, the sewage in the silencing pipe 1 is heated uniformly, the sewage in the silencing pipe 1 is prevented from being frozen and damaging the silencing pipe 1, and the safety and reliability of the silencing pipe 1 are improved.
As shown in fig. 1, the leakage prevention mechanism includes a fixed box 17, two leakage prevention assemblies and two ultrasonic detectors 21, the leakage prevention assemblies correspond to the ultrasonic detectors 21 one by one, the fixed box 17 is fixed on one side of the connecting box 8 far away from the moving plate 6, the two leakage prevention assemblies are symmetrically arranged about the axis of the silencing tube 1, and glue is arranged in the fixed box 17;
the anti-leakage assembly comprises a nozzle 19, a fixing rod 18 and a connecting pipe 20, the nozzle 19 is fixed on one side, far away from the moving plate 6, of the connecting box 8 through the fixing rod 18, the nozzle 19 is communicated with the fixing box 17 through the connecting pipe 20, and the ultrasonic detector 21 is fixed on one side, close to the silencing pipe 1, of the fixing rod 18.
Connecting box 8 is in the rotation and the removal, drive ultrasonic detector 21 through dead lever 18 and detect hush pipe 1, if detect hush pipe 1 when the crack appears, 19 work of control nozzle, glue in with fixed box 17 passes through connecting pipe 20 and guides into in the nozzle 19, spout 19 departments from the nozzle again, the work of glue is paintd to the crack, the function of leak protection has been realized, avoid hush pipe 1 to leak and influence the circulation of sewage, move the limit through ultrasonic detector 21 and 19 nozzles and rotate, thereby the detection range has been enlarged, the leak protection effect has been promoted.
Preferably, in order to drive the moving plate 6 to move, the fixing assembly comprises a motor 3, a turntable 4 and a pull wire 5, the motor 3 is fixed on the fixing plate 2, the motor 3 is in transmission connection with the turntable 4, one end of the pull wire 5 is wound on the turntable 4, and the other end of the pull wire 5 is fixedly connected with the moving plate 6.
When carrying out the work of preventing frostbite, control motor 3 starts, drive carousel 4 and rotate, tighten up or lengthen 5 that acts as go-between, thereby drive movable plate 6 and remove along hush pipe 1, make connecting box 8 rotate along hush pipe 1, when movable plate 6 removes, can also drive the runner assembly work, make connecting box 8 rotate, thereby enlarged the heating range, make the sewage in hush pipe 1 be heated evenly, thereby prevent that the sewage in hush pipe 1 from freezing and damaging hush pipe 1, thereby improved hush pipe 1's fail safe nature.
As shown in fig. 3, the rotating assembly includes a screw rod 12, ball screw bearings 13, a first gear 14, a guiding unit, a connecting unit, and two first bearings, the first bearings correspond to the fixed plate 2 one by one, the first bearings are fixed on one side of the fixed plate 2 close to the movable plate 6, two ends of the screw rod 12 are respectively and fixedly connected with inner rings of the two first bearings, the ball screw bearings 13 correspond to the small holes one by one, outer rings of the ball screw bearings 13 are fixedly connected with inner walls of the small holes, the ball screw bearings 13 are sleeved on the screw rod 12, a connection part of the ball screw bearings 13 and the screw rod 12 is provided with a thread matching with the screw rod 12, the first gear 14 is provided with a circular hole, the screw rod 12 passes through the circular hole, the first gear 14 is connected with the screw rod 12 through the connecting unit, and the first gear 14 is engaged with the convex teeth 10, the first gear 14 is connected to the moving plate 6 through a guide unit.
As shown in fig. 4, the connecting unit includes three connecting rods 15, three grooves are provided on the screw rod 12, the grooves correspond to the connecting rods 15 one to one, one end of each connecting rod 15 is circumferentially and uniformly fixed on the inner wall of the circular hole, the other end of each connecting rod 15 is arranged inside the corresponding groove, and the connecting rods 15 are slidably connected with the grooves.
When the moving plate 6 moves along the silencing tube 1, the ball screw bearing 13 is driven to move along the screw rod 12, so that the screw rod 12 is driven to rotate, the first gear 14 is driven to rotate around the screw rod 12 through the connecting rod 15, and the connecting box 8 is driven to rotate through the meshing of the first gear 14 and the convex teeth 10.
Preferably, in order to limit the rotation direction of the first gear 14, the guide unit includes a plurality of guide rods 16, two first annular grooves are formed in one side of the moving plate 6 close to the connection box 8, the first annular grooves correspond to the first gears 14 one by one, one end of each guide rod 16 is fixedly connected to one side of the first gear 14 close to the moving plate 6, the other end of each guide rod 16 is arranged inside the corresponding first annular groove, the other end of each guide rod 16 is matched with the corresponding first annular groove, and the guide rods 16 are slidably connected with the corresponding first annular grooves.
When the first gear 14 rotates, the guide rod 16 is driven to rotate along the first annular groove, so that the first gear 14 is more stable when rotating around the screw rod 12, and when the moving plate 6 moves, the first gear 14 is also driven to move along the screw rod 12.
Preferably, in order to restrict the rotation direction of the connecting box 8, the limiting assembly comprises a plurality of limiting rods 11, a second annular groove is formed in one side, close to the connecting box 8, of the moving plate 6, one end of each limiting rod 11 is circumferentially and uniformly fixed on one side, close to the moving plate 6, of the connecting box 8, the other end of each limiting rod 11 is arranged inside the second annular groove, the other end of each limiting rod 11 is matched with the second annular groove, and the limiting rods 11 are slidably connected with the second annular groove.
When the connecting box 8 rotates, the limiting rod 11 is driven to rotate along the second annular groove, so that the connecting box 8 is more stable when rotating, and when the movable plate 6 moves, the connecting box 8 can be driven to move along the silencing pipe 1.
Preferably, in order to prevent the stopper rod 11 and the guide rod 16 from being disengaged from the moving plate 6, the first annular groove and the second annular groove are dovetail grooves.
Preferably, in order to prolong the service life of the screw rod 12, the screw rod 12 is coated with an anti-corrosion zinc coating.
Preferably, in order to make the connection box 8 rotate smoothly, the first gear 14 is coated with grease, so that the friction between the first gear 14 and the convex teeth 10 is reduced, the convex teeth 10 rotate more smoothly, and the smoothness of the connection box 8 during rotation is improved.
Preferably, the motor 3 is a servo motor in order to make the motor 3 work accurately and stably.
When the anti-freezing operation is performed, the operation of the electric heating wire 9 is controlled, the air in the connecting box 8 is heated, the heated air is discharged through the air outlet hole, the heating operation is performed on the sound-deadening tube 1, the motor 3 is controlled to be started, the rotating disc 4 is driven to rotate, the pull wire 5 is tightened or lengthened, the moving plate 6 is driven to move along the sound-deadening tube 1, the connecting box 8 is driven to rotate along the sound-deadening tube 1, the ball screw bearing 13 is driven to move along the screw rod 12 while the moving plate 6 moves, the screw rod 12 is driven to rotate, the first gear 14 is driven to rotate around the screw rod 12 through the connecting rod 15, the connecting box 8 is driven to rotate while moving through the meshing of the first gear 14 and the convex teeth 10, the heating range is expanded, the sewage in the sound-deadening tube 1 is uniformly heated, and the damage to the sound-deadening tube 1 caused by the freezing, thereby improving the safety and reliability of the silencer duct 1. Connecting box 8 is in the rotation and the removal, drive ultrasonic detector 21 through dead lever 18 and detect hush pipe 1, if detect hush pipe 1 when the crack appears, 19 work of control nozzle, glue in with fixed box 17 passes through connecting pipe 20 and guides into in the nozzle 19, spout 19 departments from the nozzle again, the work of glue is paintd to the crack, the function of leak protection has been realized, avoid hush pipe 1 to leak and influence the circulation of sewage, move the limit through ultrasonic detector 21 and 19 nozzles and rotate, thereby the detection range has been enlarged, the leak protection effect has been promoted.
Compared with the prior art, this hush pipe that fail safe nature is high with leak protection function passes through the mechanism of preventing frostbite, can carry out heating work to hush pipe 1, avoid the sewage in hush pipe 1 to freeze and damage hush pipe 1, thereby the fail safe nature of hush pipe 1 has been improved, compare with current mechanism of preventing frostbite, this mechanism of preventing frostbite can also drive connecting box 8 and can also rotate when removing, make sewage be heated evenly, the effect of preventing frostbite has been promoted, through the leak protection mechanism, can paint glue to hush pipe 1's crack department, the leak protection function has been realized, avoid hush pipe 1 to leak and influence the circulation of sewage, compare with current leak protection mechanism, this leak protection mechanism and mechanism of preventing frostbite are an organic whole link gear, make ultrasonic detector 21 and nozzle 19 rotate while removing, thereby the detection range has been enlarged, the leak protection effect has been promoted.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (8)
1. The hush pipe with the leakage-proof function and high safety and reliability is characterized by comprising a hush pipe (1), an anti-freezing mechanism and a leakage-proof mechanism, wherein the anti-freezing mechanism and the leakage-proof mechanism are arranged on the hush pipe (1), and the anti-freezing mechanism is connected with the leakage-proof mechanism;
the anti-freezing mechanism comprises a movable plate (6), a driving assembly, a spring (7), a connecting box (8), a limiting assembly, two fixed plates (2), two rotating assemblies and a plurality of heating wires (9), wherein the two fixed plates (2) are respectively fixed at two ends of a silencing tube (1), a through hole is formed in the movable plate (6), the silencing tube (1) penetrates through the through hole, the driving assembly is arranged on one of the fixed plates (2), the driving assembly is connected with one side of the movable plate (6), two ends of the spring (7) are respectively connected with one side of the movable plate (6) and one fixed plate (2) close to the driving assembly, the connecting box (8) is connected with the other side of the movable plate (6) through the limiting assembly, the connecting box (8) is annular, and the connecting box (8) and the silencing tube (1) are coaxially arranged, the electric heating wire (9) is circumferentially and uniformly fixed inside the connecting box (8), air outlet holes are circumferentially and uniformly formed in one side, close to the silencing pipe (1), of the connecting box (8), the air outlet holes are communicated with the connecting box (8), convex teeth (10) are circumferentially and uniformly fixed on the periphery of the connecting box (8), the two rotating assemblies are symmetrically arranged about the axis of the silencing pipe (1), the moving plate (6) is provided with two small holes, the small holes correspond to the rotating assemblies one by one, the rotating assemblies are connected with the moving plate (6), the rotating assemblies are connected with the convex teeth (10), and the leakage-proof mechanism is connected with one side, far away from the moving plate (6), of the connecting box (8);
the anti-leakage mechanism comprises a fixed box (17), two anti-leakage assemblies and two ultrasonic detectors (21), the anti-leakage assemblies correspond to the ultrasonic detectors (21) one by one, the fixed box (17) is fixed on one side, far away from the movable plate (6), of the connecting box (8), the two anti-leakage assemblies are symmetrically arranged about the axis of the silencing pipe (1), and glue is arranged in the fixed box (17);
the anti-leakage assembly comprises a nozzle (19), a fixing rod (18) and a connecting pipe (20), the nozzle (19) is fixed on one side, far away from the moving plate (6), of the connecting box (8) through the fixing rod (18), the nozzle (19) is communicated with the fixing box (17) through the connecting pipe (20), and the ultrasonic detector (21) is fixed on one side, close to the silencing pipe (1), of the fixing rod (18);
the rotating assembly comprises a screw rod (12), ball screw bearings (13), a first gear (14), a guide unit, a connecting unit and two first bearings, the first bearings correspond to the fixed plate (2) one by one, the first bearings are fixed on one side, close to the moving plate (6), of the fixed plate (2), two ends of the screw rod (12) are fixedly connected with inner rings of the two first bearings respectively, the ball screw bearings (13) correspond to the small holes one by one, outer rings of the ball screw bearings (13) are fixedly connected with inner walls of the small holes, the ball screw bearings (13) are sleeved on the screw rod (12), threads matched with the screw rod (12) are arranged at the connecting part of the ball screw bearings (13) and the screw rod (12), circular holes are formed in the first gears (14), the screw rod (12) penetrates through the circular holes, and the first gears (14) are connected with the screw rod (12) through the connecting unit, the first gear (14) is meshed with the convex teeth (10), and the first gear (14) is connected with the moving plate (6) through the guide unit;
the connecting unit comprises three connecting rods (15), three grooves are formed in the lead screw (12), the grooves correspond to the connecting rods (15) one to one, one end of each connecting rod (15) is circumferentially and uniformly fixed on the inner wall of the corresponding round hole, the other end of each connecting rod (15) is arranged inside each groove, and the connecting rods (15) are connected with the grooves in a sliding mode.
2. The muffler with leak-proof function and high safety and reliability as claimed in claim 1, wherein the driving assembly comprises a motor (3), a rotating disc (4) and a pulling wire (5), the motor (3) is fixed on the fixed plate (2), the motor (3) is in transmission connection with the rotating disc (4), one end of the pulling wire (5) is wound on the rotating disc (4), and the other end of the pulling wire (5) is fixedly connected with the moving plate (6).
3. The muffler with leak-proof function and high safety and reliability as claimed in claim 1, wherein the guide unit comprises a plurality of guide rods (16), one side of the moving plate (6) close to the connection box (8) is provided with two first annular grooves corresponding to the first gears (14) one to one, one end of each guide rod (16) is fixedly connected with one side of the first gear (14) close to the moving plate (6), the other end of each guide rod (16) is arranged inside the corresponding first annular groove, the other end of each guide rod (16) is matched with the corresponding first annular groove, and the guide rods (16) are slidably connected with the corresponding first annular grooves.
4. The muffler pipe with leak-proof function and high safety and reliability as claimed in claim 3, wherein the limiting assembly comprises a plurality of limiting rods (11), a second annular groove is formed in one side of the moving plate (6) close to the connecting box (8), one end of each limiting rod (11) is circumferentially and uniformly fixed on one side of the connecting box (8) close to the moving plate (6), the other end of each limiting rod (11) is arranged in the second annular groove, the other end of each limiting rod (11) is matched with the second annular groove, and the limiting rods (11) are slidably connected with the second annular grooves.
5. The anti-leakage noise suppressor tube with high safety and reliability as claimed in claim 4, wherein said first annular groove and said second annular groove are each a dovetail groove.
6. The pipe for noise reduction with leakage prevention and high safety and reliability according to claim 1, wherein the lead screw (12) is coated with an anti-corrosion zinc coating.
7. The noise-canceling pipe with leakage prevention function and high safety and reliability as set forth in claim 1, wherein the first gear (14) is coated with grease.
8. The noise-canceling pipe with leakage preventing function having high safety and reliability as set forth in claim 2, wherein said motor (3) is a servo motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010045313.4A CN111236386B (en) | 2020-01-16 | 2020-01-16 | Hush pipe that fail safe nature is high with leak protection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010045313.4A CN111236386B (en) | 2020-01-16 | 2020-01-16 | Hush pipe that fail safe nature is high with leak protection function |
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| Publication Number | Publication Date |
|---|---|
| CN111236386A CN111236386A (en) | 2020-06-05 |
| CN111236386B true CN111236386B (en) | 2021-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010045313.4A Active CN111236386B (en) | 2020-01-16 | 2020-01-16 | Hush pipe that fail safe nature is high with leak protection function |
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