CN208703289U - A kind of pipe vibration damper - Google Patents
A kind of pipe vibration damper Download PDFInfo
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- CN208703289U CN208703289U CN201821135082.0U CN201821135082U CN208703289U CN 208703289 U CN208703289 U CN 208703289U CN 201821135082 U CN201821135082 U CN 201821135082U CN 208703289 U CN208703289 U CN 208703289U
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Abstract
The utility model provides a kind of pipe vibration damper, belongs to pipe-line equipment technical field.The utility model includes shell and pedestal, shell is set on the base, case inside wall is circumferentially provided with several damper mechanisms, damper mechanism includes cylinder body and piston rod, baffle is equipped in cylinder body, cylinder body is divided into cavity and cushion chamber by baffle, electromagnet is equipped in cavity, magnetorheological fluid is equipped in cushion chamber, one end of piston rod is located in cylinder body and end is fixed with piston, the other end of piston rod is located at outside cylinder body and end is fixed with fixed plate, piston is equipped with several through-holes, piston is slidably arranged in cushion chamber, reset spring is equipped in cushion chamber, one end of cylinder body is connected by the inner sidewall of fixing seat and shell, fixed plate is equipped with the induction mechanism that electromagnet opening and closing and magnetic field strength can be controlled according to the size of pipe vibration intensity.The utility model structure is simple, can adjust buffer strength according to tube vibration intensity, achieve the effect that flexible anti-vibration.
Description
Technical field
The utility model belongs to pipe-line equipment technical field, is related to a kind of pipe vibration damper.
Background technique
Pipeline transportation is widely used in the industries such as electric power, petroleum, and the liquid in pipeline is easy to make pipeline there are pressure fluctuation
Violent vibration is generated, vibration be easy to cause pipeline damage to intake to pipeline for a long time, if oil transportation tube damage leads to crude oil leakage,
Marine environment is polluted.Tube vibration is prevented using Rigid Fasteners such as pepe supports at present, but due to prolonged
Vibration influences, and bracket is easy to loosen, and with pipe rigid collision can occur for the bracket after loosening, damages to pipe.
Summary of the invention
The purpose of this utility model is the presence of the above problem in view of the prior art, proposes that a kind of structure is simple, vibration damping
The good pipe vibration damper of effect.
The purpose of this utility model can be realized by the following technical scheme: a kind of pipe vibration damper, including shell and
Pedestal, the shell are tubular structure, and the shell is set on the base, and the pipe passes through among shell, the shell
Inner sidewall is circumferentially provided with several damper mechanisms, and the damper mechanism includes cylinder body and piston rod, is equipped with gear in the cylinder body
Cylinder body is divided into cavity and cushion chamber by plate, the baffle, and electromagnet is equipped in the cavity, is equipped in the cushion chamber magnetorheological
Liquid, one end of the piston rod is located in cylinder body and end is fixed with piston, the other end of the piston rod be located at cylinder body outside and
End is fixed with fixed plate, and the piston is equipped with several through-holes, and the piston is slidably arranged in cushion chamber, the piston
Positioned at the middle part of cushion chamber, reset spring is equipped in the cushion chamber, one end of the reset spring and baffle are connected, described multiple
The other end and piston of position spring are connected, and the one end of the cylinder body far from fixed plate is solid by the inner sidewall of fixing seat and shell
Even, the length direction of the piston rod and shell is radially consistent, and the fixed plate is equipped with can be according to pipe vibration intensity
Size controls the induction mechanism of electromagnet opening and closing and magnetic field strength, and the induction mechanism is in contact with the lateral wall of pipe.
The pipe passes through shell, and the induction mechanism is in contact with the lateral wall of pipe, when pipe vibrates, squeezes
Induction mechanism is pressed, keeps fixed plate mobile to cylinder body, piston rod and piston is driven to slide to one end of cushion chamber, reset spring is pressed
Contracting, plays buffer function, the electromagnetism in induction mechanism starting cavity when reset spring is compressed into the limit, in fixed plate
Iron generates magnetic field, and the magnetorheological fluid being arranged in cushion chamber is made to generate fluid resistance, and the vibration of pipe will push on piston rod
Piston is slided to one end of cushion chamber, and the fluid resistance that magnetorheological fluid generates can hinder the sliding of piston, play vibration reduction and cushioning
Effect adjusts the size of resistance suffered by piston by changing the intensity in magnetic field, can effectively inhibit the vibration of pipe；When pipe shakes
After dynamic, piston loses extruding force, and reset spring discharges compressed energy, pushes piston mobile to the other end of cushion chamber,
The magnetorheological fluid flows to the lower part of cushion chamber by through-hole from the top of cushion chamber, avoids making greatly very much because of the pressure of cylinder interior
Cylinder body is destroyed, final to guarantee that the induction mechanism in fixed plate is contacted with the lateral wall of pipe always, for next vibration damping work
It is ready.
In a kind of above-mentioned pipe vibration damper, the shell includes semi-circular tube one and semi-circular tube two, the semi-circular tube
The right end of one right end and semi-circular tube two is hinged, and the left end of the semi-circular tube one and the left end of semi-circular tube two are detachably connected.
One end of the semi-circular tube one and semi-circular tube two is hinged, and the other end of the semi-circular tube one and semi-circular tube two passes through spiral shell
Bolt nut is fixed, easy disassembly and maintenance, can also adjust the installation site of vibration absorber according to actual needs, simple and practical.
In a kind of above-mentioned pipe vibration damper, solar energy electroplax is provided with by branch on the semi-circular tube one.
The more severe area of environment may be arranged in pipeline, do not have power supply unit around, therefore can use solar energy
Battery plate generates electricity, energy conservation and environmental protection.
In a kind of above-mentioned pipe vibration damper, the top of the semi-circular tube one is equipped with battery, the solar-electricity
Plate is electrically connected with battery, and the battery is electrically connected with electromagnet.
Start electromagnet, the size that electric current is exported by adjusting battery changes the intensity in electromagnet magnetic field, to change
The fluid resistance of magnetorheological fluid in cushion chamber, the final size for changing resistance suffered by piston, achievees the effect that vibration damping.
In a kind of above-mentioned pipe vibration damper, the induction mechanism includes Teflon plate, pressure sensor and control
Device, the Teflon plate are plane close to the one side of fixed plate and are connected with fixed plate that the Teflon plate is far from fixed plate
One side be arc surface, the pressure sensor is arranged between fixed plate and Teflon plate, and the controller is arranged in semicircle
The bottom of pipe two, the pressure sensor are electrically connected with the controller, and the controller is electrically connected with battery, the controller with
Electromagnet electrical connection.
The Teflon plate has the function of wear-resisting, corrosion-resistant, vibration damping etc., when tube vibration, squeezes Teflon plate, makes to fix
Plate is mobile to cylinder body, and piston rod and piston is driven to slide to one end of cushion chamber, and piston press reset spring, reset spring is pressed
Contracting, plays buffer function, while pressure sensor experiences pressure, and pressure sensor sends a signal to controller, when reset bullet
When spring is compressed into the limit, controller starts electromagnet by battery, and when pressure is gradually increased, controller increases electromagnet
Magnetic field strength increases the fluid resistance of magnetorheological fluid in cushion chamber, makes the increase of resistance suffered by piston, offset the pressure of tube vibration
Power, when pressure is gradually reduced, controller reduces the magnetic field strength of electromagnet, make the fluid resistance of magnetorheological fluid in cushion chamber also by
Decrescence small, the reduction of resistance suffered by piston, final pipe stops vibration, and controller closes electromagnet, and whole process can basis
The oscillation intensity of pipe adjusts the size of resistance suffered by piston in real time, plays the effect of quick vibration damping.
In a kind of above-mentioned pipe vibration damper, the left and right ends of the semi-circular tube one are equipped with upper sealing plate, and described half
The left and right ends of round tube two are equipped with lower sealing plate, offer semicircle orifice on the upper sealing plate and lower sealing plate, the semicircle orifice
The center of circle is respectively positioned on the central axis of shell, and gasket is equipped in the semicircle orifice.
The semi-circular tube one, semi-circular tube two, upper sealing plate, lower sealing plate and pipe outer wall form an enclosed construction, can be with
It prevents the impurity such as dust from entering enclosed construction, interference is generated to pressure sensor, influences the effectiveness in vibration suppression of vibration absorber, it is described close
Packing can prevent rainwater from entering enclosed construction, corrode damper mechanism, and that shortens damper mechanism uses the time.
Compared with prior art, the utility model has the advantage that
1, the shell is divided into semi-circular tube one and semi-circular tube two, and one end of the semi-circular tube one and semi-circular tube two is hinged, separately
One end is detachably connected, and can adjust the installation site of vibration absorber, the convenient maintenance to damper mechanism in due course；
2, the reset spring in the cushion chamber can guarantee that induction mechanism is in contact with the lateral wall of pipe always, in real time
Vibration damping is carried out to pipe；
2, effect of the magnetorheological fluid by magnetic field size, thus it is possible to vary the fluid resistance of magnetorheological fluid, to change work
The drag size suffered by cushion chamber is filled in, according to the size of tube vibration intensity, the size of resistance suffered by piston is automatically adjusted, plays
The effect of flexible anti-vibration.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that the utility model has device of solar generating；
Fig. 2 is the sectional view in Fig. 1 at A-A；
Fig. 3 is the partial enlarged view in Fig. 1 at B；
Fig. 4 is the structural schematic diagram that the utility model has power station using ocean currents.
In figure: 1, pipe；2, shell；2a, semi-circular tube one；2b, semi-circular tube two；2c, upper sealing plate；2d, lower sealing plate；It is 2e, close
Packing；3, solar energy electroplax；4, battery；5, damper mechanism；5a, fixing seat；5b, cylinder body；5c, baffle；5c1, cavity；6, electric
Magnet；6a, iron core；6b, coil；7, piston；7a, cushion chamber；7b, through-hole；7c, reset spring；8, piston rod；8a, fixation
Plate；8b, Teflon plate；9, pressure sensor；10, controller；11, pedestal；12, generator；13, impeller；14, bracket.
Specific embodiment
It is specific embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these examples.
Embodiment one:
As shown in Figures 1 to 3, a kind of pipe vibration damper, including shell 2 and pedestal 11, the shell 2 are tubular structure,
The pipe 1 passes through among shell 2, and the shell 2 is arranged on the pedestal 11, if 2 inner sidewall of the shell is circumferentially provided with
Dry damper mechanism 5, the damper mechanism 5 include cylinder body 5b and piston rod 8, are equipped with baffle 5c, the gear in the cylinder body 5b
Plate 5c divides cylinder body 5b to be equipped with electromagnet 6 in cavity 5c1 and cushion chamber 7a, the cavity 5c1, is equipped in the cushion chamber 7a
Magnetorheological fluid, one end of the piston rod 8 is located in cylinder body 5b and end is fixed with piston 7, the other end position of the piston rod 8
It is fixed with fixed plate 8a in outside cylinder body 5b and end, the piston 7 is equipped with several through-holes 7b, the sliding of piston 7 setting
In cushion chamber 7a, the piston 7 is located at the middle part of cushion chamber 7a, and reset spring 7c is equipped in the cushion chamber 7a, described multiple
One end of position spring 7c and baffle 5c are connected, and the other end and piston 7 of the reset spring 7c is connected, and the cylinder body 5b is separate
One end of fixed plate 8a is connected by the inner sidewall of fixing seat 5a and shell 2, length direction and the shell 2 of the piston rod 8
Radially consistent, the fixed plate 8a is equipped with can control the opening and closing of electromagnet 6 according to the size of pipe vibration intensity and magnetic field is strong
The induction mechanism of degree, the induction mechanism are in contact with the lateral wall of pipe 1.
The pipe 1 passes through shell 2, and the induction mechanism is in contact with the lateral wall of pipe 1, when pipe 1 vibrates
When, induction mechanism is squeezed, keeps fixed plate 8a mobile to cylinder body 5b, drives piston rod 8 and piston 7 sliding to one end of cushion chamber 7a
Dynamic, reset spring 7c is compressed, and plays buffer function, the induction when reset spring 7c is compressed into the limit, on fixed plate 8a
Mechanism starts the electromagnet 6 in cavity 5c1, generates magnetic field, and the magnetorheological fluid being arranged in cushion chamber 7a is made to generate fluid resistance,
The vibration of pipe 1 will push the piston 7 on piston rod 8 and slide to one end of cushion chamber 7a, and the fluid resistance that magnetorheological fluid generates
Power can hinder the sliding of piston 7, play the role of vibration reduction and cushioning, adjust the big of resistance suffered by piston by changing the intensity in magnetic field
It is small, it can effectively inhibit the vibration of pipe 1；After pipe 1 is vibrated, piston 7 loses extruding force, and reset spring 7c release is compressed
Energy, push piston 7 mobile to the other end of cushion chamber 7a, the magnetorheological fluid is by through-hole 7b from the top of cushion chamber 7a
The lower part for flowing to cushion chamber 7a avoids greatly being destroyed cylinder body 5b very much because of the pressure inside cylinder body 5b, finally guarantees fixed plate
Induction mechanism on 8a is contacted with the lateral wall of pipe 1 always, is ready for next vibration damping work.
Specifically, the shell 2 includes two 2b of one 2a of semi-circular tube and semi-circular tube, the right end of one 2a of semi-circular tube and half
The right end of two 2b of round tube is hinged, and the left end of one 2a of semi-circular tube and the left end of two 2b of semi-circular tube are equipped with flanging, upper and lower flanging
On coaxially offer through-hole, bolt is equipped on two through-holes, the lower end of bolt is secured with nuts.
One end of one 2a of semi-circular tube and two 2b of semi-circular tube is hinged, and one 2a of semi-circular tube and two 2b's of semi-circular tube is another
One end is fixed by bolt and nut, easy disassembly and maintenance, can also adjust the installation site of vibration absorber according to actual needs,
It is simple and practical.
Specifically, solar energy electroplax 3 is provided with by branch on one 2a of semi-circular tube.Environment ratio may be arranged in pipeline
More severe area does not have power supply unit around, therefore can use solar energy electroplax 3 and generate electricity, environmentally protective.
Specifically, the top of one 2a of semi-circular tube is equipped with battery 4, and the solar energy electroplax 3 is electrically connected with battery 4
It connects, the electromagnet 6 includes iron core 6a, is wound with coil 6b on the outside of the iron core 6a, the coil 6b and battery 4 are electrically connected
It connects.
The electric energy that solar energy electroplax 3 generates is stored in battery 4, when needing to start electromagnet 6, passes through battery
4 are powered to coil 6b, make to generate magnetic field around coil 6b, then change the fluid resistance of magnetorheological fluid in cushion chamber 7a, from
And change the size of resistance suffered by piston, achieve the effect that vibration damping.
Specifically, the induction mechanism includes Teflon plate 8b, pressure sensor 9 and controller 10, the Teflon
Plate 8b close to fixed plate 8a one side be plane and with fixed plate 8a be connected, the Teflon plate 8b far from fixed plate 8a one
Face is arc surface, and the pressure sensor 9 is arranged between fixed plate 8a and Teflon plate 8b, and the setting of controller 10 is half
The bottom of two 2b of round tube, it is preferable that the controller 10 is programmable controller, the pressure sensor 9 and 10 electricity of controller
Connection, the controller 10 are electrically connected with battery 4, and the controller 10 is electrically connected with electromagnet 6.
The Teflon plate 8b has the function of wear-resisting, corrosion-resistant, vibration damping etc., when pipe 1 vibrates, squeezes Teflon plate 8b,
Keep fixed plate 8a mobile to cylinder body 5b, drives piston rod 8 and piston 7 to slide to one end of cushion chamber 7a, 7 pressed home bullet of piston
Spring 7c, reset spring 7c are compressed, and play buffer function, while pressure sensor 9 experiences pressure, pressure sensor 9 issues
Signal is to controller 10, and when reset spring 7c is compressed into the limit, controller 10 starts electromagnet 6 by battery 4, works as pressure
Power is gradually increased, and controller 10 increases the magnetic field strength of electromagnet 6, is increased the fluid resistance of magnetorheological fluid in cushion chamber 7a, is made
The pressure that pipe 1 vibrates is offset in the increase of resistance suffered by piston 7, and when pressure is gradually reduced, controller 10 reduces electromagnet 6
Magnetic field strength is gradually reduced the fluid resistance of magnetorheological fluid in cushion chamber 7a also, the reduction of resistance suffered by piston 7, final to manage
Son 1 stops vibration, and controller 10 closes electromagnet 6, and whole process can adjust piston 7 according to the oscillation intensity of pipe 1 in real time
The size of suffered resistance plays the effect of quick vibration damping.
Specifically, the left and right ends of one 2a of semi-circular tube are equipped with upper sealing plate 2c, the left and right of two 2b of semi-circular tube
Both ends are equipped on lower sealing plate 2d, the upper sealing plate 2c and lower sealing plate 2d and offer semicircle orifice, and the center of circle of the semicircle orifice is equal
On the central axis of shell 2, gasket 2e is equipped in the semicircle orifice.
One closing of outer wall formation of one 2a of semi-circular tube, two 2b of semi-circular tube, upper sealing plate 2c, lower sealing plate 2d and pipe 1
Structure can prevent the impurity such as dust from entering enclosed construction, generate interference to pressure sensor 9, influence the vibration damping of vibration absorber
Effect, the gasket 2e can prevent rainwater from entering enclosed construction, corrode damper mechanism 5, when shortening the use of damper mechanism 5
Between.
Specifically, the electromagnet 6 includes that iron core 6a and coil 6b, the iron core 6a are vertically set on cavity 5c1
Interior, the coil 6b is wrapped in outside iron core 6a, and the coil 6b is electrically connected with battery 4.Battery 4 is powered to coil 6b, makes
Iron core 6a generates magnetic field, and iron core 6a is vertically set in cavity 5c1, and magnetic induction line is made to pass perpendicularly through the magnetic in cushion chamber 7a
Rheology liquid increases the resistance that piston 7 slides.
Embodiment two:
The present embodiment two is basically the same as the first embodiment, the difference lies in that as shown in figure 4, being replaced with power station using ocean currents
Device of solar generating, makes vibration absorber can be applied to underwater environment, and the power station using ocean currents include generator 12, the hair
Motor 12 is arranged on one 2a of semi-circular tube by bracket 14, and the end of 12 input shaft of generator is equipped with impeller 13, seabed
The rotation of ocean current impeller 13 makes generator 12 generate electricity, and is then stored into battery 4, provides electric energy to electromagnet 6 to change
The fluid resistance of magnetorheological fluid in cushion chamber 7a realizes the vibration-damping function to pipe 1.
Those skilled in the art of the present invention can various modifications may be made, mends to described specific embodiment
It fills or is substituted using similar method, but without departing from the spirit of the present application or surmount the appended claims and defined
Range.
Claims (6)
1. a kind of pipe vibration damper, including shell (2) and pedestal (11), the shell (2) is tubular structure, the shell
(2) it is arranged on pedestal (11), which is characterized in that shell (2) inner sidewall is circumferentially provided with several damper mechanisms (5),
The damper mechanism (5) includes cylinder body (5b) and piston rod (8), is equipped with baffle (5c) in the cylinder body (5b), the baffle
Cylinder body (5b) is divided into cavity (5c1) and cushion chamber (7a) by (5c), is equipped with electromagnet (6) in the cavity (5c1), the buffering
Magnetorheological fluid is equipped in chamber (7a), one end of the piston rod (8) is located in cylinder body (5b) and end is fixed with piston (7), institute
The other end for stating piston rod (8) is located at cylinder body (5b) outside and end is fixed with fixed plate (8a), and the piston (7) is equipped with several
A through-hole (7b), the piston (7) are slidably arranged in cushion chamber (7a), and reset spring is equipped in the cushion chamber (7a)
(7c), one end of the reset spring (7c) and baffle (5c) are connected, and the other end of the reset spring (7c) and piston (7) are solid
Even, the one end of the cylinder body (5b) far from fixed plate (8a) is connected by the inner sidewall of fixing seat (5a) and shell (2), the work
The length direction of stopper rod (8) and shell (2) it is radially consistent, the fixed plate (8a) is equipped with can be according to pipe vibration intensity
Size come control electromagnet (6) opening and closing and magnetic field strength induction mechanism.
2. a kind of pipe vibration damper according to claim 1, which is characterized in that the shell (2) includes semi-circular tube one
The right end of (2a) and semi-circular tube two (2b), the right end and semi-circular tube two (2b) of the semi-circular tube one (2a) is hinged, the semi-circular tube
The left end of one (2a) and the left end of semi-circular tube two (2b) are detachably connected.
3. a kind of pipe vibration damper according to claim 2, which is characterized in that pass through branch on the semi-circular tube one (2a)
It is provided with solar energy electroplax (3).
4. a kind of pipe vibration damper according to claim 3, which is characterized in that set at the top of the semi-circular tube one (2a)
Have battery (4), the solar energy electroplax (3) is electrically connected with battery (4), and the battery (4) is electrically connected with electromagnet (6)
It connects.
5. a kind of pipe vibration damper according to claim 4, which is characterized in that the induction mechanism includes Teflon plate
(8b), pressure sensor (9) and controller (10), the Teflon plate (8b) close to fixed plate (8a) side be plane and
It is connected with fixed plate (8a), side of the Teflon plate (8b) far from fixed plate (8a) is arc surface, the pressure sensor
(9) it is arranged between fixed plate (8a) and Teflon plate (8b), the controller (10) is arranged in the bottom of semi-circular tube two (2b),
The pressure sensor (9) is electrically connected with controller (10), and the controller (10) is electrically connected with battery (4), the electromagnetism
Iron (6) and controller (10) electrical connection.
6. a kind of pipe vibration damper according to claim 5, which is characterized in that the left and right two of the semi-circular tube one (2a)
End is equipped with upper sealing plate (2c), and the left and right ends of the semi-circular tube two (2b) are equipped with lower sealing plate (2d), the upper sealing plate (2c)
Semicircle orifice is offered on lower sealing plate (2d), the center of circle of the semicircle orifice is respectively positioned on the central axis of shell (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821135082.0U CN208703289U (en) | 2018-07-17 | 2018-07-17 | A kind of pipe vibration damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821135082.0U CN208703289U (en) | 2018-07-17 | 2018-07-17 | A kind of pipe vibration damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208703289U true CN208703289U (en) | 2019-04-05 |
Family
ID=65939227
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821135082.0U Expired - Fee Related CN208703289U (en) | 2018-07-17 | 2018-07-17 | A kind of pipe vibration damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208703289U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108644478A (en) * | 2018-07-17 | 2018-10-12 | 浙江海洋大学 | A kind of pipe vibration damper |
| CN110185702A (en) * | 2019-05-10 | 2019-08-30 | 上海交通大学 | Bearing assembly and the bearing of the active rod-type stern of electromagnetic drive |
-
2018
- 2018-07-17 CN CN201821135082.0U patent/CN208703289U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108644478A (en) * | 2018-07-17 | 2018-10-12 | 浙江海洋大学 | A kind of pipe vibration damper |
| CN110185702A (en) * | 2019-05-10 | 2019-08-30 | 上海交通大学 | Bearing assembly and the bearing of the active rod-type stern of electromagnetic drive |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190405 Termination date: 20210717 |
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| CF01 | Termination of patent right due to non-payment of annual fee |