CN107166128A - The whipping limits device and method of a kind of high energy pipeline - Google Patents
The whipping limits device and method of a kind of high energy pipeline Download PDFInfo
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- CN107166128A CN107166128A CN201710376285.2A CN201710376285A CN107166128A CN 107166128 A CN107166128 A CN 107166128A CN 201710376285 A CN201710376285 A CN 201710376285A CN 107166128 A CN107166128 A CN 107166128A
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- damper
- high energy
- type hydraulic
- energy pipeline
- speed responsive
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/005—Devices restraining ruptured tubes from whipping
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- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid-Damping Devices (AREA)
Abstract
The invention discloses a kind of whipping limits device of high energy pipeline and method, wherein whipping limits device, including carriage assembly, the first key seat, the first bearing pin, First Speed responsive type hydraulic damper, the second bearing pin, the second key seat, nut, bolt, board-like arc pipe collar, the 3rd key seat, the 3rd bearing pin, second speed responsive type hydraulic damper, the 4th bearing pin, the 4th key seat.By being respectively mounted one or more groups of whipping limits devices on the high energy pipeline close near high energy channel bend both sides, when high energy pipeline produces thermal walking, velocity sensitization type hydraulic damper follows high energy pipeline, and the drag of very little is only produced to high energy pipeline；When in high energy channel bend broken pipe occurs for high energy pipeline, velocity sensitization type hydraulic damper produces locking, to the specified drag of high energy pipeline formation, while effectively protecting other key equipments and high energy pipeline.
Description
Technical field
The present invention relates to a kind of pipeline whipping limits device and method, and in particular to the whipping to a kind of high energy pipeline is limited
Apparatus and method, belong to electrically with mechanical ＆ electrical technology and energy security field.
Background technology
At present, high energy pipeline is widely used in the fields such as nuclear power and chemical industry, for high energy pipeline, if in high energy pipeline
Tube breaking phenomenon occurs for elbow junction, and high steam can spray, and high energy pipeline is produced and continues larger active force, makes height
Energy pipeline formation whipping, due to high steam sustained firing, the whipping kinetic energy of high energy pipeline can continue to increase, and high energy pipeline is being got rid of
During hitting, if contacted with other key equipments, seriously secondary can be formed with other key equipments of huge energy impact
Accident, to prevent high energy pipeline from occurring other key equipments near whipping, destruction, it is to avoid form serious second accident, institute
So that in key areas such as nuclear powers, pipeline whipping limitation dress can be added on the high energy pipeline being connected with high energy channel bend two ends
Put.The pipeline whipping limits device generally used now is U-shaped（Or other shapes）Hardware, it is contemplated that high energy pipe
The thermal walking in road, U-shaped whipping limits device must leave certain space between high energy pipeline when mounted, meet high energy pipeline
The requirement of thermal walking, but when high energy pipeline high energy channel bend junction occur tube breaking phenomenon when, U-shaped whipping limits device with
Between high energy pipeline reserve high energy pipeline thermal walking space, reformed into high energy pipeline accelerate and whipping energy it is increased because
Element, at the same U-shaped whipping limits device occur geometry deformation when, the drag that U-shaped whipping limits device is formed to high energy pipeline compared with
Small, the whipping energy of high energy pipeline may proceed to increase, when U-shaped whipping limits device, which enters, to be plastically deformed, U-shaped whipping limitation dress
Put and just really start to absorb and consume the whipping energy of high energy pipeline, and now the whipping energy of high energy pipeline is very big
, U-shaped whipping limits device is absorbed and the requirement of consumption is also just improved a lot, in addition, at present worldwide, not having also
High energy pipeline whipping can be truly simulated, the rig for testing tested U-shaped whipping limits device.
The content of the invention
The technical solution adopted by the present invention is：
A kind of whipping limits device of high energy pipeline, including carriage assembly, the first key seat, the first bearing pin, First Speed responsive type
Hydraulic damper, the second bearing pin, the second key seat, nut, bolt, board-like arc pipe collar, the 3rd key seat, the 3rd bearing pin, the second speed
Spend responsive type hydraulic damper, the 4th bearing pin, the 4th key seat；The carriage assembly includes tray plate, bracket riser, arc support
Plate, the right-hand member of bracket riser is mutually welded with tray plate, and the left end of bracket riser is mutually welded with arc pallet, tray plate, support
Erect plate, arc pallet and be welded to each other into carriage assembly；The First Speed responsive type hydraulic damper includes the first damper
Motion portion plunger, the first damper motion portion, the first damper fixed part, the first damper fixed part plunger, the first damper
Motion portion plunger is fixedly connected on the right-hand member in the first damper motion portion, and the first damper fixed part plunger is fixedly connected on first
The left end of damper fixed part, the first damper motion portion can produce axially opposing fortune relative to the first damper fixed part
It is dynamic；The second speed responsive type hydraulic damper includes the second damper motion portion plunger, the second damper motion portion, second
Damper fixed part, the second damper fixed part plunger, the second damper motion portion plunger are fixedly connected on the second damper fortune
The right-hand member in dynamic portion, the second damper fixed part plunger is fixedly connected on the left end of the second damper fixed part, the second damper fortune
Dynamic portion can produce moving axially relative relative to the second damper fixed part；First key seat is welded under carriage assembly
Portion；3rd key seat is welded on the top of carriage assembly；Second key seat is welded on wall of the pre-plugged in wall
In first fixed seat；4th key seat is welded on pre-plugged in the fixed seat of wall second in wall；First speed
First damper motion portion's plunger of responsive type hydraulic damper is spent by the first bearing pin and is welded on the of carriage assembly bottom
One key seat formation be hinged, the first damper fixed part plunger by the second bearing pin and be welded in the fixed seat of wall first second
Key seat formation is hinged, and First Speed responsive type hydraulic damper is installed between wall and carriage assembly；The second speed
Second damper motion portion's plunger of responsive type hydraulic damper is by the 3rd bearing pin and is welded on the 3rd of carriage assembly top
Key seat formation is hinged, and the second damper fixed part plunger passes through the 4th bearing pin and the 4th pin being welded in the fixed seat of wall second
Seat is formed and is hinged, and second speed responsive type hydraulic damper is installed between wall and carriage assembly；The board-like curved pipe
Hoop is fastenedly connected by the arc pallet formation of nuts and bolt and carriage assembly, and high energy pipeline is tightly embraced in bracket group
On part；High energy pipeline by carriage assembly, First Speed responsive type hydraulic damper, second speed responsive type hydraulic damper with
Wall is connected.
A kind of whipping method for limiting of high energy pipeline, on the high energy pipeline close near high energy channel bend both sides respectively
One or more groups of above-mentioned devices are installed.
A, when high energy pipeline normal operating conditions, when producing thermal walking, radial motion speed very little, high energy pipeline drives support
Frame component, the first damper motion portion of First Speed responsive type hydraulic damper, second speed responsive type hydraulic damper
First damper fixed part of the second damper motion portion relative to First Speed responsive type hydraulic damper, second speed sensitivity
The the second damper fixed part and wall of type hydraulic damper form slow motion, according to the spy of velocity sensitization type hydraulic damper
Property, in low-speed motion, such as speed is less than 120mm/min, and velocity sensitization type hydraulic damper does not produce locking, to outside work
The drag of very little is produced with object, First Speed responsive type hydraulic damper and second speed responsive type hydraulic damper are in high energy
When pipeline produces thermal walking, the drag of very little is only produced to high energy pipeline, the normal work of high energy pipeline is not influenceed；
B, occurs broken pipe at the Po Guan positions of high energy channel bend A sections when high energy pipeline, high energy steam is from A sections Po Guan positions
Place sprays to the left, and to the thrust F of high energy pipeline formation to the right, high energy pipeline produces to the right whipping, the radial motion of high energy pipeline
Speed is improved rapidly, and according to the characteristic of velocity sensitization type hydraulic damper, when movement velocity reaches certain value, such as speed exists
Between 120mm/min-360mm/min, velocity sensitization type hydraulic damper can produce locking, to the volume of outside effective object formation
Determine drag, when broken pipe whipping occurs for high energy pipeline, high energy pipeline drives carriage assembly, First Speed responsive type hydraulic damper
The first damper motion portion, second speed responsive type hydraulic damper the second damper motion portion it is quick relative to First Speed
First damper fixed part of sense type hydraulic damper, the second damper fixed part of second speed responsive type hydraulic damper and
The motion of wall rises, and First Speed responsive type hydraulic damper and second speed responsive type hydraulic damper produce locking, right
High energy pipeline produces drag, on the one hand, the radial displacement of limitation high energy pipeline, prevents high energy pipeline from producing whipping, destroys other
Key equipment, on the other hand, due to First Speed responsive type hydraulic damper and the generation of second speed responsive type hydraulic damper
During locking, the movement velocity of high energy pipeline is relatively low, Bi Ru≤360mm/min, limits the whipping energy of high energy pipeline, high energy pipe
Road can not form larger impulsive force to above-mentioned whipping limits device, and same above-mentioned whipping limits device is to high energy pipeline
Drag is also smaller, effectively protection high energy pipeline.
The beneficial effects of the invention are as follows：
The whipping limits device and method of a kind of high energy pipeline proposed by the present invention, by attached close to high energy channel bend both sides
One or more groups of whipping limits devices of the invention are respectively mounted near high energy pipeline.When high energy pipeline normal operating conditions,
When producing thermal walking, velocity sensitization type hydraulic damper follows high energy pipeline, the drag of very little is only produced to high energy pipeline, not shadow
Ring the normal work of high energy pipeline；When in high energy channel bend broken pipe occurs for high energy pipeline, velocity sensitization type hydraulic damper
Locking is produced, to the specified drag of high energy pipeline formation, on the one hand, the radial displacement of limitation high energy pipeline, prevent high energy pipeline
Whipping is produced, other key equipments are effectively protected；On the other hand, the increase of high energy pipeline whipping energy is limited, is reduced to height
The impulsive force of energy pipeline, effectively protection high energy pipeline.
Brief description of the drawings
The embodiment provided below in conjunction with the accompanying drawings is described in more detail to the present invention.
Fig. 1 is the schematic diagram of the present invention.
Embodiment
As shown in figure 1, a kind of whipping limits device of high energy pipeline, including carriage assembly 1, the first key seat 2, the first bearing pin
3rd, First Speed responsive type hydraulic damper 4, the second bearing pin 5, the second key seat 6, nut 8, bolt 9, board-like arc pipe collar 10,
Three key seats 13, the 3rd bearing pin 14, second speed responsive type hydraulic damper 15, the 4th bearing pin 16, the 4th key seat 17；The bracket
Component 1 includes tray plate 1-1, bracket riser 1-2, arc pallet 1-3, bracket riser 1-2 right-hand member and tray plate 1-1 phases
Welding, bracket riser 1-2 left end and arc pallet 1-3 phases are welded, tray plate 1-1, bracket riser 1-2, arc pallet 1-3
It is welded to each other into carriage assembly 1；The First Speed responsive type hydraulic damper 4 include the first damper motion portion plunger 4-1,
First damper motion portion 4-2, the first damper fixed part 4-3, the first damper fixed part plunger 4-4, the first damper fortune
Dynamic portion plunger 4-1 is fixedly connected on the first damper motion portion 4-2 right-hand member, and the first damper fixed part plunger 4-4, which is fixed, to be connected
The first damper fixed part 4-3 left end is connected on, the first damper motion portion 4-2 can be relative to the first damper fixed part 4-
3 generations are moving axially relative；The second speed responsive type hydraulic damper 15 include the second damper motion portion plunger 15-1,
Second damper motion portion 15-2, the second damper fixed part 15-3, the second damper fixed part plunger 15-4, the second damper
Motion portion plunger 15-1 is fixedly connected on the second damper motion portion 15-2 right-hand member, and the second damper fixed part plunger 15-4 consolidates
Surely the second damper fixed part 15-3 left end is connected to, the second damper motion portion 15-2 can be solid relative to the second damper
Determine portion 15-3 generations moving axially relative；First key seat 2 is welded on the bottom of carriage assembly 1；3rd key seat 13 is welded
It is connected on the top of carriage assembly 1；Second key seat 6 is welded on pre-plugged in the first fixed seat of wall 7 in wall；Institute
State the 4th key seat 17 and be welded on pre-plugged in the second fixed seat of wall 18 in wall；The First Speed responsive type hydraulic pressure
First key seats 2 of the first damper motion portion plunger 4-1 of damper 4 by the first bearing pin 3 with being welded on the bottom of carriage assembly 1
Formation is hinged, and the first damper fixed part plunger 4-4 passes through the second bearing pin 5 and be welded in the first fixed seat of wall 7 second
The formation of key seat 6 is hinged, and First Speed responsive type hydraulic damper 4 is installed between wall and carriage assembly 1；Second speed
Second damper motion portion plunger 15-1 of degree responsive type hydraulic damper 15 is by the 3rd bearing pin 14 with being welded on carriage assembly 1
3rd key seat 13 formation on top is hinged, and the second damper fixed part plunger 15-4 is by the 4th bearing pin 16 with being welded on wall the
The 4th key seat 17 formation in two fixed seats 18 is hinged, and second speed responsive type hydraulic damper 15 is installed in wall and bracket
Between component 1；The board-like arc pipe collar 10 is fastened by the arc pallet 1-3 formation of nut 8 and bolt 9 and carriage assembly 1
Connection, and high energy pipeline 11 is tightly embraced on carriage assembly 1；High energy pipeline 11 is sensitive by carriage assembly 1, First Speed
Type hydraulic damper 4, second speed responsive type hydraulic damper 15 are connected with wall.
A kind of whipping method for limiting of high energy pipeline, on the high energy pipeline 11 close near the both sides of high energy channel bend 12
It is respectively mounted one or more groups of above-mentioned whipping limits devices.
A works as the normal operating conditions of high energy pipeline 11, when producing thermal walking, radial motion speed very little, the band of high energy pipeline 11
Dynamic carriage assembly 1, the first damper motion portion 4-2, the second speed responsive type hydraulic pressure of First Speed responsive type hydraulic damper 4
Second damper motion portion 15-2 of damper 15 is fixed relative to the first damper of First Speed responsive type hydraulic damper 4
Portion 4-3, the second damper fixed part 15-3 of second speed responsive type hydraulic damper 15 and wall form slow motion, according to
The characteristic of velocity sensitization type hydraulic damper, in low-speed motion, such as speed is less than 120mm/min, velocity sensitization type hydraulic pressure
Damper does not produce locking, and the drag of very little, First Speed responsive type hydraulic damper 4 and second are produced to outside effective object
Velocity sensitization type hydraulic damper 15 only produces the drag of very little when high energy pipeline 11 produces thermal walking to high energy pipeline 11,
The normal work of high energy pipeline 11 is not influenceed；
B, occurs broken pipe at the Po Guan positions of high energy channel bend 12A sections when high energy pipeline 11, high energy steam is from the broken pipe in A sections
Sprayed to the left at position, thrust F to the right is formed to high energy pipeline 11, high energy pipeline 11 produces to the right whipping, high energy pipeline 11
Radial motion speed improve rapidly, according to the characteristic of velocity sensitization type hydraulic damper, when movement velocity reaches certain value,
Such as speed is between 120mm/min--360mm/min, and velocity sensitization type hydraulic damper can produce locking, to external action
The specified drag of object formation, when broken pipe whipping occurs for high energy pipeline 11, high energy pipeline 11 drives the speed of carriage assembly 1, first
Spend the first damper motion portion 4-2, second speed responsive type hydraulic damper 15 of responsive type hydraulic damper 4 the second damping
First damper fixed part 4-3s of the device motion portion 15-2 relative to First Speed responsive type hydraulic damper 4, second speed sensitivity
The the second damper fixed part 15-3 and wall of type hydraulic damper 15 motion rise, First Speed responsive type hydraulic damper
4 and second speed responsive type hydraulic damper 15 produce locking, to high energy pipeline 11 produce drag, on the one hand, limitation high energy pipe
The radial displacement in road 11, prevents high energy pipeline 11 from producing whipping, other key equipments is destroyed, on the other hand, due to First Speed
When responsive type hydraulic damper 4 and second speed responsive type hydraulic damper 15 produce locking, the movement velocity of high energy pipeline 11
Relatively low, Bi Ru≤360mm/min limit the whipping energy of high energy pipeline 11, and high energy pipeline 11 can not be limited above-mentioned whipping
Device processed forms larger impulsive force, and same above-mentioned whipping limits device is also smaller to the drag of high energy pipeline 11, effectively protects
Protect high energy pipeline 11.
The present invention proposes " the whipping limits device and method of a kind of high energy pipeline ", by close to high energy channel bend two
It is respectively mounted on high energy pipeline near side " a kind of whipping limits device of high energy pipeline " of one group of present invention.When high energy pipeline
Normal operating conditions, when producing thermal walking, velocity sensitization type hydraulic damper follows high energy pipeline, and only high energy pipeline is produced very
Small drag, the normal work of high energy pipeline is not influenceed；When in high energy channel bend broken pipe occurs for high energy pipeline, speed sensitive
Type hydraulic damper produces locking, to the specified drag of high energy pipeline formation, on the one hand, the radial displacement of limitation high energy pipeline,
Prevent high energy pipeline from producing whipping, effectively protect other key equipments；On the other hand, the increasing of high energy pipeline whipping energy is limited
Plus, reduce the impulsive force to high energy pipeline, effectively protection high energy pipeline.
Described above is only the preferred embodiment of the present invention, it should be pointed out that：For the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (2)
1. a kind of whipping limits device of high energy pipeline, it is characterised in that：Including carriage assembly（1）, the first key seat（2）, first
Bearing pin（3）, First Speed responsive type hydraulic damper（4）, the second bearing pin（5）, the second key seat（6）, nut（8）, bolt（9）、
Board-like arc pipe collar（10）, the 3rd key seat (13), the 3rd bearing pin (14), second speed responsive type hydraulic damper (15), the 4th
Bearing pin (16), the 4th key seat (17)；The carriage assembly（1）Including tray plate（1-1）, bracket riser（1-2）, arc pallet
（1-3）, bracket riser（1-2）Right-hand member and tray plate（1-1）Mutually weld, bracket riser（1-2）Left end and arc pallet
（1-3）Mutually weld, tray plate（1-1）, bracket riser（1-2）, arc pallet（1-3）It is welded to each other into carriage assembly（1）；Institute
State First Speed responsive type hydraulic damper（4）Including the first damper motion portion plunger（4-1）, the first damper motion portion
（4-2）, the first damper fixed part（4-3）, the first damper fixed part plunger（4-4）, the first damper motion portion plunger（4-
1）It is fixedly connected on the first damper motion portion（4-2）Right-hand member, the first damper fixed part plunger（4-4）It is fixedly connected on
One damper fixed part（4-3）Left end, the first damper motion portion（4-2）Can be relative to the first damper fixed part（4-
3）Produce moving axially relative；The second speed responsive type hydraulic damper (15) includes the second damper motion portion plunger
（15-1）, the second damper motion portion（15-2）, the second damper fixed part（15-3）, the second damper fixed part plunger（15-
4）, the second damper motion portion plunger（15-1）It is fixedly connected on the second damper motion portion（15-2）Right-hand member, second damping
Device fixed part plunger（15-4）It is fixedly connected on the second damper fixed part（15-3）Left end, the second damper motion portion（15-
2）Can be relative to the second damper fixed part（15-3）Produce moving axially relative；First key seat（2）It is welded on bracket
Component（1）Bottom；3rd key seat (13) is welded on carriage assembly（1）Top；Second key seat（6）It is welded on pre-
First it is embedded in the fixed seat of wall first in wall（7）On；4th key seat (17) is welded on pre-plugged in wall
The fixed seat of wall second（18）On；The First Speed responsive type hydraulic damper（4）The first damper motion portion plunger（4-
1）Pass through the first bearing pin（3）With being welded on carriage assembly（1）First key seat of bottom（2）Formation is hinged, and the first damper is fixed
Portion's plunger（4-4）Pass through the second bearing pin（5）With being welded on the fixed seat of wall first（7）On the second key seat（6）Formation is hinged, the
One velocity sensitization type hydraulic damper（4）It is installed in wall and carriage assembly（1）Between；The second speed responsive type hydraulic pressure
Second damper motion portion plunger of damper (15)（15-1）By the 3rd bearing pin (14) with being welded on carriage assembly（1）Top
The 3rd key seat (13) formation be hinged, the second damper fixed part plunger（15-4）By the 4th bearing pin (16) with being welded on wall
Second fixed seat（18）On the 4th key seat (17) formation be hinged, second speed responsive type hydraulic damper (15) is installed in wall
Body and carriage assembly（1）Between；The board-like arc pipe collar（10）Pass through nut（8）And bolt（9）With carriage assembly（1）Arc
Shape supporting plate（1-3）Formation is fastenedly connected, and high energy pipeline（11）Tightly embrace in carriage assembly（1）On；High energy pipeline（11）
Pass through carriage assembly（1）, First Speed responsive type hydraulic damper（4）, second speed responsive type hydraulic damper (15) and wall
Body phase is connected.
2. a kind of whipping method for limiting of high energy pipeline, it is characterised in that：Close to high energy channel bend（12）Near both sides
High energy pipeline（11）On be respectively mounted device described in one or more groups of claims 1,
（a）, when high energy pipeline（11）Normal operating conditions, when producing thermal walking, radial motion speed very little, high energy pipeline（11）
Drive carriage assembly（1）, First Speed responsive type hydraulic damper（4）The first damper motion portion（4-2）, second speed it is quick
Second damper motion portion of sense type hydraulic damper (15)（15-2）Relative to First Speed responsive type hydraulic damper（4）'s
First damper fixed part（4-3）, second speed responsive type hydraulic damper (15) the second damper fixed part（15-3）And
Wall forms slow motion, and velocity sensitization type hydraulic damper does not produce locking during due to low-speed motion, to outside effective object
Produce the drag of very little, First Speed responsive type hydraulic damper（4）With second speed responsive type hydraulic damper (15) in height
Can pipeline（11）When producing thermal walking, only to high energy pipeline（11）The drag of very little is produced, high energy pipeline is not influenceed（11）Just
Often work；
（b）, when high energy pipeline（11）In high energy channel bend（12）Broken pipe occurs at the Po Guan positions of A sections, high energy steam is cut from A
Face is sprayed to the left at Po Guan positions, to high energy pipeline（11）Form thrust F to the right, high energy pipeline（11）Whipping is produced to the right,
High energy pipeline（11）Radial motion speed improve rapidly, because velocity sensitization type hydraulic damper reaches necessarily in movement velocity
Locking is produced during value, to the specified drag of outside effective object formation, in high energy pipeline（11）When occurring broken pipe whipping, high energy pipe
Road（11）Drive carriage assembly（1）, First Speed responsive type hydraulic damper（4）The first damper motion portion（4-2）, second
Second damper motion portion of velocity sensitization type hydraulic damper (15)（15-2）Relative to First Speed responsive type hydraulic damping
Device（4）The first damper fixed part（4-3）, second speed responsive type hydraulic damper (15) the second damper fixed part
（15-3）And the motion of wall rises, First Speed responsive type hydraulic damper（4）With second speed responsive type hydraulic damper
(15) locking is produced, to high energy pipeline（11）Produce drag, on the one hand, limitation high energy pipeline（11）Radial displacement, prevent height
Can pipeline（11）Whipping is produced, other key equipments are destroyed, on the other hand, due to First Speed responsive type hydraulic damper（4）
When producing locking with second speed responsive type hydraulic damper (15), high energy pipeline（11）Movement velocity it is relatively low, limit height
Can pipeline（11）Whipping energy, high energy pipeline（11）Big impulsive force can not be formed to the device described in claim 1, equally
Device described in claim 1 is to high energy pipeline（11）Drag it is also smaller, effectively protection high energy pipeline（11）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710376285.2A CN107166128A (en) | 2017-05-25 | 2017-05-25 | The whipping limits device and method of a kind of high energy pipeline |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710376285.2A CN107166128A (en) | 2017-05-25 | 2017-05-25 | The whipping limits device and method of a kind of high energy pipeline |
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| Publication Number | Publication Date |
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| CN107166128A true CN107166128A (en) | 2017-09-15 |
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|---|---|---|---|
| CN201710376285.2A Pending CN107166128A (en) | 2017-05-25 | 2017-05-25 | The whipping limits device and method of a kind of high energy pipeline |
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| CN109838623A (en) * | 2019-01-29 | 2019-06-04 | 河海大学常州校区 | A kind of elastic mounting device of the anti-whipping part of flattening type |
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Application publication date: 20170915 |