CN106678484A - High-energy pipeline impact power absorber in power planning - Google Patents

High-energy pipeline impact power absorber in power planning Download PDF

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Publication number
CN106678484A
CN106678484A CN201611019092.3A CN201611019092A CN106678484A CN 106678484 A CN106678484 A CN 106678484A CN 201611019092 A CN201611019092 A CN 201611019092A CN 106678484 A CN106678484 A CN 106678484A
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CN
China
Prior art keywords
hydraulic pressure
oil
oilcan
energy pipeline
plate
Prior art date
Application number
CN201611019092.3A
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Chinese (zh)
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CN106678484B (en
Inventor
鲍俊立
盖俊杰
刘慧�
马浩博
李萌
袁振亚
Original Assignee
国家电网公司
国网河南省电力公司开封供电公司
国网河南省电力公司兰考县供电公司
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Priority to CN201611019092.3A priority Critical patent/CN106678484B/en
Publication of CN106678484A publication Critical patent/CN106678484A/en
Application granted granted Critical
Publication of CN106678484B publication Critical patent/CN106678484B/en

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/02Energy absorbers; Noise absorbers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/005Devices restraining ruptured tubes from whipping

Abstract

The invention belongs to the technical field of power planning, and discloses a high-energy pipeline impact power absorber in power planning. The high-energy pipeline impact power absorber comprises a hydraulic oil shell. A connection plate is fixedly connected to the left end of the hydraulic oil shell. A movable supporting plate is connected to the right end of the connection plate through a pin shaft. A movable rod is connected to the right end of the hydraulic oil shell in an inserted mode. The outer wall of the movable rod is sleeved with a suspension spring. The right end of the hydraulic oil shell is connected with a supporting gasket. The left end and the right end of the suspension spring are connected with the right side wall of the hydraulic oil shell and the left side wall of the supporting gasket correspondingly. A piston head is connected to the left end of the movable rod. According to the high-energy pipeline impact power absorber in power planning, flow of hydraulic oil is affected through the arrangement of an oil return hole, a backflow pipe and a one-way valve, and the flow speed of the hydraulic oil is decreased, so that the moving speed of the movable rod is decreased, the shock absorption effect is achieved, the pressure resistance effect of a high-energy pipeline is enhanced, the risk that the high-energy pipeline is cracked is lowered, and personal safety is ensured.

Description

High energy pipeline impact energy absorber in a kind of power planning

Technical field

The present invention relates to power planning technical field, high energy pipeline impact energy absorber in specially a kind of power planning.

Background technology

In nuclear power station, conventional power station and chemical plant, often there are many pipelines for conveying high-pressure and the fluid of high speed.Though Being designed to of right these pipelines bears high pressure, but for various reasons, pipeline can rupture suddenly, these high energy pipeline breaking meetings High energy fluid is caused to be revealed, fluid applies very big transverse pressure, in the presence of this power, the pipeline meeting of rupture to pipeline Lateral velocity very high is obtained, and typically pipeline does high speed rotary motion, i.e. pipeline whipping, one around a local deformation area The whipping of root pipeline breaking can cause the damage of other pipelines or instrument, so that aggravate the seriousness of accident, or even the company of causing The disaster of locking-type, causes leaking and nuclear safety accident for radioactive substance, therefore, we have proposed high energy in a kind of power planning Pipeline impacts energy absorber.

The content of the invention

It is an object of the invention to provide high energy pipeline impact energy absorber in a kind of power planning, to solve above-mentioned background skill The fluid proposed in art applies very big transverse pressure to pipeline, and in the presence of this power, the pipeline of rupture can obtain very high Lateral velocity, and typically pipeline does high speed rotary motion, i.e. pipeline whipping around a local deformation area, and a pipeline breaks The whipping for splitting can cause the damage of other pipelines or instrument, so as to aggravate the seriousness of accident, or even cause the calamity of interlock type Evil, cause radioactive substance leak and nuclear safety accident problem.

To achieve the above object, the present invention provides following technical scheme:High energy pipeline impact energy-absorbing in a kind of power planning Device, including hydraulic pressure oilcan, the left end of the hydraulic pressure oilcan are fixedly connected with connecting plate, and the right-hand member of the connecting plate is connected by bearing pin Movable supporting plate is connected to, the right-hand member of the hydraulic pressure oilcan is plugged with motion bar, and the outer wall of the motion bar is socketed with shock-proof spring, The right-hand member of the hydraulic pressure oilcan is connected with support pad, the left and right two ends of the shock-proof spring respectively with the right side wall of hydraulic pressure oilcan Left side wall with support pad is connected, and the left end of the motion bar is connected with piston head, and the piston head is located at hydraulic pressure oilcan Inner chamber, the inner chamber of the hydraulic pressure oilcan is longitudinally provided with oil baffle, and the top and bottom of oil baffle passes through screw and hydraulic pressure The top and bottom connection of oilcan inner chamber, is provided with fuel feed hole on the oil baffle, two groups are provided with the top of the hydraulic pressure oilcan and are returned Oilhole, and two groups of spill ports are provided with oil return pipe respectively positioned at the left and right sides of oil baffle at the top of the hydraulic pressure oilcan, it is described The two ends of oil return pipe are connected with two groups of spill ports respectively, and left side wall and the bottom of right side spill port of the oil baffle are mounted on The unidirectional valve shell of oil circuit pressure, the left and right sidewall of the unidirectional valve shell of oil circuit pressure is provided with oil outlet, the oil circuit pressure The intracavity bottom of unidirectional valve shell is provided with back-moving spring, and connector, the connector are provided with the top of the back-moving spring Top oil seal plate is installed, yielding rubber pad is bonded with the top of the oil seal plate, the unidirectional valve shell of oil circuit pressure Top two ends are provided with engaging lug, and two groups of engaging lugs by screw and the inwall and the left side wall of oil baffle of hydraulic pressure oilcan Connection.

Preferably, the top and bottom of the piston head is provided with sliding block, the relevant position of the hydraulic pressure oilcan inner chamber It is provided with the chute being connected with sliding block adaptation.

Preferably, the right side wall of the hydraulic pressure oilcan is provided with seal washer, and seal washer is connected with motion bar adaptation.

Preferably, the oil baffle is to be tightly connected with hydraulic pressure oilcan, and oil baffle is set with the junction of hydraulic pressure oilcan There is sealing rubber pad.

Preferably, the piston head is located at the right side of right side spill port in the high order end of hydraulic pressure oilcan inner chamber stroke.

Preferably, the movable supporting plate includes seat board, and the top and bottom of the seat board right side wall is provided with screw, institute The right side wall for stating seat board is provided with axis pin base, and the body of the axis pin base is provided with loose slot.

Compared with prior art, the beneficial effects of the invention are as follows:High energy pipeline impact energy absorber, passes through in the power planning The setting of spill port, return duct and check valve so that the flowing of hydraulic oil is influenceed by elastic force, slows down the flowing speed of hydraulic oil Degree, so as to reduce the translational speed of motion bar, plays a part of shock-absorbing, strengthens the resistance to compression effect of high energy pipeline, reduces high energy The risk of pipeline breaking, guarantee is played to personal safety.

Brief description of the drawings

Fig. 1 is schematic structural view of the invention;

Fig. 2 is hydraulic oil shell structure schematic diagram of the present invention;

Fig. 3 is oil circuit pressure check valve shell inner cavity structural representation of the present invention;

Fig. 4 is movable supporting plate structure schematic diagram of the present invention.

In figure:1 hydraulic pressure oilcan, 2 connecting plates, 3 movable supporting plates, 31 seat boards, 32 axis pin bases, 33 loose slots, 34 screws, 4 Motion bar, 5 shock-proof springs, 6 support pads, 7 piston heads, 8 oil baffles, 9 fuel feed holes, 10 spill ports, 11 oil return pipes, 12 oil circuit pressures The unidirectional valve shell of power, 13 oil outlets, 14 back-moving springs, 15 connectors, 16 oil seal plates, 17 yielding rubber pads, 18 engaging lugs.

Specific embodiment

Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made Embodiment, belongs to the scope of protection of the invention.

Fig. 1-4 are referred to, the present invention provides a kind of technical scheme:High energy pipeline impact energy absorber in a kind of power planning, Including hydraulic pressure oilcan 1, the left end of the hydraulic pressure oilcan 1 is fixedly connected with connecting plate 2, and the right-hand member of the connecting plate 2 passes through bearing pin Movable supporting plate 3 is connected with, the right-hand member of the hydraulic pressure oilcan 1 is plugged with motion bar 4, and the outer wall of the motion bar 4 is socketed with to be kept away Shake spring 5, the right-hand member of the hydraulic pressure oilcan 1 is connected with support pad 6, the left and right two ends of the shock-proof spring 5 respectively with hydraulic pressure The left side wall connection of the right side wall and support pad 6 of oilcan 1, the left end of the motion bar 4 is connected with piston head 7, the piston First 7 inner chambers for being located at hydraulic pressure oilcan 1, the inner chamber of the hydraulic pressure oilcan 1 is longitudinally provided with oil baffle 8, and the top of oil baffle 8 with Bottom is connected by screw with the top and bottom of the inner chamber of hydraulic pressure oilcan 1, and fuel feed hole 9, the liquid are provided with the oil baffle 8 The top for pressing oil shell 1 is provided with two groups of spill ports 10, and two groups of spill ports 10 respectively positioned at the left and right sides of oil baffle 8, the liquid The top for pressing oil shell 1 is provided with oil return pipe 11, and the two ends of the oil return pipe 11 are connected with two groups of spill ports 10 respectively, the gear oil The left side wall of plate 8 is mounted on the unidirectional valve shell 12 of oil circuit pressure with the bottom of right side spill port 10, and the oil circuit pressure is unidirectional The left and right sidewall of valve shell 12 is provided with oil outlet 13, and the intracavity bottom of the unidirectional valve shell 12 of oil circuit pressure is provided with reset Spring 14, the top of the back-moving spring 14 is provided with connector 15, and the top of the connector 15 is provided with oil seal plate 16, institute The top for stating oil seal plate 16 is bonded with yielding rubber pad 17, and the top two ends of the unidirectional valve shell 12 of oil circuit pressure are provided with Engaging lug 18, and two groups of engaging lugs 18 are connected by screw with the inwall of hydraulic pressure oilcan 1 and the left side wall of oil baffle 8.

Wherein, the top and bottom of the piston head 7 is provided with sliding block, the relevant position of the inner chamber of hydraulic pressure oilcan 1 The chute being connected with sliding block adaptation is provided with, the right side wall of the hydraulic pressure oilcan 1 is provided with seal washer, and seal washer and activity The adaptation connection of bar 4, the oil baffle 8 is to be tightly connected with hydraulic pressure oilcan 1, and oil baffle 8 is set with the junction of hydraulic pressure oilcan 1 There is sealing rubber pad, the piston head 7 is located at the right side of right side spill port in the high order end of the inner chamber stroke of hydraulic pressure oilcan 1, described Movable supporting plate 3 includes seat board 31, and the top and bottom of the right side wall of the seat board 31 is provided with screw 34, the right side of the seat board 31 Side wall is provided with axis pin base 32, and the body of the axis pin base 32 is provided with loose slot 33.

Operation principle:Seat board 31 is supported on needs the place of support, is connected by screw seat board 34 and the strong point, bearing pin Seat 32 is flexibly connected with connecting plate 2, is conveniently adjusted angle, and support pad 6 is supported on into another strong point, when support pad 6 or When being under pressure at person's movable supporting plate 3, shock-proof spring 5 plays one layer of cushioning effect, and motion bar 4 is under pressure and moves to left piston head The hydraulic oil of the inner chamber of 7 drive hydraulic pressure oilcan 1 is moved to left, and hydraulic oil produces pressure to yielding rubber pad 17, when pressure is more than reset bullet Spring 14 for oil seal plate 16 pressure when, oil seal plate 16 drive back-moving spring 14 decline, oil pressure enters into gear by oil outlet 13 The left side of oiled-plate method 8, it is living in the presence of shock-proof spring 5 when the pressure that support pad 6 or movable supporting plate 3 are subject to is decorporated Chock plug 7 is moved to right, and the right side of oil baffle 8 forms negative pressure, is reached to a certain degree in negative pressure, the yielding rubber of the bottom of right side spill port 10 Pad 17 is subject to the oil pressure at top, and yielding rubber pad 17 drives back-moving spring 14 to move down, and the hydraulic oil in the left side of oil baffle 8 passes through oil return Pipe 11, spill port 10 and oil outlet 13 enter into the right side of oil baffle 8, so as to reach the effect of buffering.

Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with Understanding can carry out various changes, modification, replacement to these embodiments without departing from the principles and spirit of the present invention And modification, the scope of the present invention be defined by the appended.

Claims (6)

1. a kind of high energy pipeline impact energy absorber in power planning, including hydraulic pressure oilcan (1), it is characterised in that:The hydraulic oil The left end of shell (1) is fixedly connected with connecting plate (2), and the right-hand member of the connecting plate (2) is connected with movable supporting plate by bearing pin (3), the right-hand member of the hydraulic pressure oilcan (1) is plugged with motion bar (4), and the outer wall of the motion bar (4) is socketed with shock-proof spring (5), the right-hand member of the hydraulic pressure oilcan (1) is connected with support pad (6), the left and right two ends of the shock-proof spring (5) respectively with liquid The left side wall connection of the right side wall and support pad (6) of force feed shell (1), the left end of the motion bar (4) is connected with piston head (7), the piston head (7) positioned at the inner chamber of hydraulic pressure oilcan (1), the inner chamber of the hydraulic pressure oilcan (1) is longitudinally provided with oil baffle , and the top and bottom of oil baffle (8) is connected by screw with the top and bottom of hydraulic pressure oilcan (1) inner chamber, the gear (8) Fuel feed hole (9) is provided with oiled-plate method (8), two groups of spill ports (10), and two groups of spill ports are provided with the top of the hydraulic pressure oilcan (1) (10) oil return pipe (11), described time are installed at the top of the hydraulic pressure oilcan (1) positioned at the left and right sides of oil baffle (8) respectively The two ends of oil pipe (11) are connected with two groups of spill ports (10) respectively, left side wall and the right side spill port (10) of the oil baffle (8) Bottom be mounted on the unidirectional valve shell of oil circuit pressure (12), the left and right sidewall of the unidirectional valve shell of oil circuit pressure (12) is opened The intracavity bottom for having oil outlet (13), the unidirectional valve shell of oil circuit pressure (12) is provided with back-moving spring (14), the reset Connector (15) is installed at the top of spring (14), oil seal plate (16), the oil sealing are installed at the top of the connector (15) Yielding rubber pad (17) is bonded with the top of plate (16), the top two ends of the unidirectional valve shell of oil circuit pressure (12) are provided with Engaging lug (18), and two groups of engaging lugs (18) pass through inwall and the left side wall company of oil baffle (8) of screw and hydraulic pressure oilcan (1) Connect.
2. high energy pipeline impacts energy absorber in a kind of power planning according to claim 1, it is characterised in that:The piston The top and bottom of head (7) is provided with sliding block, and the relevant position of hydraulic pressure oilcan (1) inner chamber is provided with and is connected with sliding block adaptation Chute.
3. high energy pipeline impacts energy absorber in a kind of power planning according to claim 1, it is characterised in that:The hydraulic pressure The right side wall of oilcan (1) is provided with seal washer, and seal washer is connected with motion bar (4) adaptation.
4. high energy pipeline impacts energy absorber in a kind of power planning according to claim 1, it is characterised in that:The gear oil With hydraulic pressure oilcan (1) to be tightly connected, and the junction of oil baffle (8) and hydraulic pressure oilcan (1) is provided with caulking gum to plate (8) Pad.
5. high energy pipeline impacts energy absorber in a kind of power planning according to claim 1, it is characterised in that:The piston Head (7) is located at the right side of right side spill port in the high order end of hydraulic pressure oilcan (1) inner chamber stroke.
6. high energy pipeline impacts energy absorber in a kind of power planning according to claim 1, it is characterised in that:The activity Supporting plate (3) includes seat board (31), and the top and bottom of seat board (31) right side wall is provided with screw (34), the seat board (31) right side wall is provided with axis pin base (32), and the body of the axis pin base (32) is provided with loose slot (33).
CN201611019092.3A 2016-11-17 2016-11-17 High-energy pipeline impact energy absorber in electric power planning CN106678484B (en)

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CN201611019092.3A CN106678484B (en) 2016-11-17 2016-11-17 High-energy pipeline impact energy absorber in electric power planning

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Application Number Priority Date Filing Date Title
CN201611019092.3A CN106678484B (en) 2016-11-17 2016-11-17 High-energy pipeline impact energy absorber in electric power planning

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CN106678484B CN106678484B (en) 2020-08-11

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106969230A (en) * 2017-05-25 2017-07-21 河海大学常州校区 A kind of whipping limitation system and method for high energy pipeline

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CN104343878A (en) * 2014-09-30 2015-02-11 重庆工商大学 System and method for controlling vibration energy
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FR2087829A5 (en) * 1970-10-16 1971-12-31 Grinnell Corp
EP0367949A2 (en) * 1988-11-08 1990-05-16 Daimler-Benz Aktiengesellschaft Springing system for vehicles
RO117567B1 (en) * 1991-05-30 2002-04-30 Inst De Cercetari Pentru Rafin Device for controlling and taking over the reactions caused by technological or casual shocks
WO1995011138A1 (en) * 1993-10-23 1995-04-27 Ford Motor Company Limited Hydraulic damper
CN2658474Y (en) * 2003-01-10 2004-11-24 杜彦亭 Bypass magnetic rheological damper with external magnetic field
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106969230A (en) * 2017-05-25 2017-07-21 河海大学常州校区 A kind of whipping limitation system and method for high energy pipeline

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