CN105065818B - Flexible damping connection device for ground petroleum pipeline - Google Patents

Flexible damping connection device for ground petroleum pipeline Download PDF

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Publication number
CN105065818B
CN105065818B CN201510480255.7A CN201510480255A CN105065818B CN 105065818 B CN105065818 B CN 105065818B CN 201510480255 A CN201510480255 A CN 201510480255A CN 105065818 B CN105065818 B CN 105065818B
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CN
China
Prior art keywords
weakening area
flexible
pipeline
sealing
thin cylinder
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201510480255.7A
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Chinese (zh)
Other versions
CN105065818A (en
Inventor
安延涛
赵东
刘鲁宁
杨玉娥
李娜
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University of Jinan
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University of Jinan
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Publication date
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Priority to CN201510480255.7A priority Critical patent/CN105065818B/en
Publication of CN105065818A publication Critical patent/CN105065818A/en
Application granted granted Critical
Publication of CN105065818B publication Critical patent/CN105065818B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F16L27/00Adjustable joints, Joints allowing movement
    • F16L27/10Adjustable joints, Joints allowing movement comprising a flexible connection only, e.g. for damping vibrations
    • F16L27/1017Joints with sleeve or socket
    • 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
    • F16L27/00Adjustable joints, Joints allowing movement
    • F16L27/10Adjustable joints, Joints allowing movement comprising a flexible connection only, e.g. for damping vibrations
    • F16L27/1021Adjustable joints, Joints allowing movement comprising a flexible connection only, e.g. for damping vibrations comprising an intermediate resilient element, e.g. a ring

Abstract

The invention provides a flexible damping connection device for a ground petroleum pipeline; the device mainly comprises a pipe A, a flexible damper and a pipe B; an external thread is arranged in a joint of the pipe A and the pipe B; internal threads are arranged at the two ends of the flexible damper; and the flexible damper is connected with the pipe A and the pipe B. The device is characterized by using the flexible damper for reducing the vibration, absorbing the vibration and isolating the vibration energy transfer. The device realizes the convenience for installation and fixation and the fluid sealing through the thread design of the pipes and the flexible damper; the primary damping of the connected pipes is realized through a spring damping area of double springs; the isolation of vibration energy transfer is realized through a rubber damping area filled with high-viscoelasticity damping rubbers; and the absorption of residual vibration energy of the spring damping area and the rubber damping area is realized through a gas damping area filled with compressed gas.

Description

A kind of flexible weakening attachment means for ground petroleum pipeline
Technical field
The present invention relates to a kind of flexible weakening attachment means for ground petroleum pipeline, more particularly to it is a kind of by pipe Road, the screw thread design of flexible dashpot realize which is easily installed fixed and fluid-tight;By the spring weakening area reality of dual spring The first vibration damping of existing connecting pipe;The biography of isolation vibrational energy is realized by being marked with the rubber weakening area of viscoelasticity high-damping rubber Pass;Realize absorbing the residual vibration energy in spring weakening area and rubber weakening area by the gas weakening area of compressed air suits, Belong to the damping technology research and development field of pipeline connection.
Background technology
The at present connection of ground petroleum pipeline is mainly rigidly connected realizing by welding or flange are this, but rigidity connects The deficiency that there is easily transmission oscillating load is connect, easily causes Pipeline damage, and two connecting tubes to occur to misplace in seam, or even Tube fluid is caused to leak, because ground petroleum pipeline is in ground surface, even if small leakage can also cause larger contaminated matter Therefore.And if nuisance vibration can be eliminated before connected pipe is delivered to, can effective protection connected pipe, and prevent two pipes There is relative displacement in road.
Therefore, for easily this problem of transmission nuisance vibration that is rigidly connected of existing ground petroleum pipeline, should connect from pipeline Connect, design a kind of rigidly connected attachment means of replacement pipeline.
The content of the invention
Easily this problem of transmission nuisance vibration that is rigidly connected of the present invention for existing ground petroleum pipeline, there is provided a kind of Can effectively solving the problems referred to above a kind of flexible weakening attachment means for ground petroleum pipeline.
A kind of flexible weakening attachment means for ground petroleum pipeline of the present invention are employed the following technical solutions:
A kind of flexible weakening attachment means for ground petroleum pipeline, mainly including pipeline A, flexible dashpot and pipeline The seam of B, pipeline A and pipeline B is provided with external screw thread, and the two ends of flexible dashpot are provided with female thread, flexible dashpot connection Pipeline A and pipeline B;The flexible dashpot mainly by upper thin cylinder, under thin cylinder and sealing thin plate constitute, upper thin cylinder be cylindrical shape knot Structure, under thin cylinder it is columnar structured for " duplexing word " type section, sealing thin plate is cirque structure, and sealing thin plate is with three layers of radiation Form be provided with screwed hole, per layer of screwed hole is 12, upper thin cylinder, under thin cylinder be installed in by trip bolt and sealing gasket On two sealing thin plates, upper thin cylinder, under thin cylinder and the sealing area of space that surrounded of thin plate be divided into spring weakening area, rubber weakening Area and gas weakening area, spring weakening area on the inside of the two ends of flexible dashpot and with pipeline A and pipeline B directly contacts, rubber Between two spring weakening areas, gas weakening area is distributed in the outside of flexible dashpot in weakening area, covers whole spring weakening area With rubber weakening area;The spring weakening area thin cylinder and sealing thin plate by under are surrounded, and are provided with 2 at single spring weakening area section Individual spring, whole flexibility dashpot two ends are respectively provided with 8 groups of spring weakening areas;The rubber weakening area by under on the inside of thin cylinder in Portion region constitutes, and elastic damping is marked with rubber weakening area, and elastic damping is viscoelasticity high-damping rubber, and rubber weakening area passes through Inverted cone sealing-plug is sealed;The gas weakening area by upper thin cylinder, under thin cylinder lateral surface and sealing thin plate surround, gas weakening area Interior compressed air suits, and sealed by the sealing bolt in the middle part of upper thin cylinder and sealing gasket.
Seam in pipeline A and pipeline B of the invention is provided with external screw thread, the two ends of flexible dashpot and is provided with female thread, Fixed by the installation of the convenient flexibility dashpot of this design, and be threaded connection the sealing for realizing tube fluid.
The present invention is designed as the spring weakening area with dual spring on the inside of the two ends of flexible dashpot, real by this design The first vibration damping of existing pipeline junction, i.e., when vibrating such as pipeline A, by the compression of spring, the vibration kinetic energy of pipeline A is turned Being changed to elastic potential energy carries out the transformation of vibrational energy, consumes.
The present invention is designed as being marked with the rubber weakening area of viscoelasticity high-damping rubber in the middle inside of flexible dashpot, leads to The transmission that isolation vibrational energy is realized in this design is crossed, i.e., Jing springs are consumed by the viscosity internal friction between rubber molecular chain The residual vibration energy that weakening block transitive comes, and the absorption that vibrational energy is realized by the local deformation of elastic damping.
The present invention is designed as the gas weakening area of compressed air suits on the outside of flexible dashpot, real by this design The vibration deformation buffering in existing spring weakening area and rubber weakening area, i.e., form air cushion, and the compression by gas with compressed gas Absorb from spring weakening area and the residual vibration energy in rubber weakening area, so as to realizing the quick vibration damping of flexible dashpot, disappearing Shake.
The invention has the beneficial effects as follows:By the screw thread design of pipeline, flexible dashpot realize its be easily installed it is fixed and Fluid-tight;The first vibration damping of connecting pipe is realized by the spring weakening area of dual spring;By being marked with viscoelasticity high-damping rubber Realize the transmission of isolation vibrational energy in the rubber weakening area of glue;Realize absorbing spring by the gas weakening area of compressed air suits Weakening area and the residual vibration energy in rubber weakening area.
Description of the drawings
Fig. 1 is the overall structure diagram of the present invention.
Fig. 2 is the close-up schematic view of flexibility dashpot of the invention.
Fig. 3 is the arrangement schematic diagram in spring weakening area of the present invention.
Fig. 4 is the close-up schematic view in spring weakening area of the present invention.
Fig. 5 is gas weakening area of the present invention and its close-up schematic view at sealing.
Wherein:1st, pipeline A, 2, flexible dashpot, 3, pipeline B, 4, under thin cylinder, 5, rubber weakening area, 6, elastic damping, 7, Spring weakening area, 8, trip bolt, 9, spring, 10, sealing thin plate, 11, upper thin cylinder, 12, compressed gas, 13 gas weakening areas, 14th, sealing bolt, 15, sealing-plug, 16, sealing gasket.
Specific embodiment
Embodiment:
As shown in figure 1, a kind of flexible weakening attachment means for ground petroleum pipeline of the present invention, mainly including pipeline The seam of A 1, flexible dashpot 2 and pipeline B 3, pipeline A 1 and pipeline B 3 is provided with external screw thread, the two ends of flexible dashpot 2 It is provided with female thread, flexible dashpot 2 connecting pipe A 1 and pipeline B 3, the installation of the convenient flexibility dashpot 2 of this screw thread design It is fixed, and it is threaded connection the sealing for realizing tube fluid.
As shown in Figure 2 and Figure 3, flexible dashpot 2 it is main by upper thin cylinder 11, under thin cylinder 4 and sealing thin plate 10 constitute, it is upper thin Cylinder 11 for columnar structured, under thin cylinder 4 be the columnar structured of " duplexing word " type section, sealing thin plate 10 is cirque structure, Sealing thin plate 10 is provided with screwed hole in the form of three layers of radiation, and per layer of screwed hole is 12, upper thin cylinder 11, under thin cylinder 4 by tight Gu screw 8 and sealing gasket 16 be installed in two sealing thin plates 10 on, upper thin cylinder 11, under thin cylinder 4 and sealing thin plate 10 enclosed Into area of space be divided into spring weakening area 7, rubber weakening area 5 and gas weakening area 13, spring weakening area 7 is in flexible dashpot On the inside of 2 two ends and with 3 directly contact of pipeline A 1 and pipeline B, between two spring weakening areas 7, gas disappears in rubber weakening area 5 The area 13 that shakes is distributed in the outside of flexible dashpot 2, covers whole spring weakening area 7 and rubber weakening area 5.
With reference to shown in Fig. 2, Fig. 4, spring weakening area 7 thin cylinder 4 and sealing thin plate 10 by under are surrounded, single spring weakening area 7 2 springs 9 are installed at section, 2 two ends of whole flexibility dashpot are respectively provided with 8 groups of spring weakening areas 7.The spring of dual spring 9 Weakening area 7, realizes the first vibration damping of pipeline junction during work, i.e., when vibrating such as pipeline A 1, by the compression of spring 9, The vibration kinetic energy of pipeline A 1 is converted to elastic potential energy carries out the transformation of vibrational energy, consumes.
With reference to shown in Fig. 2, central region of the rubber weakening area 5 by under on the inside of thin cylinder 4 is constituted, and is marked with rubber weakening area 5 Elastic damping 6, elastic damping 6 are viscoelasticity high-damping rubber, and rubber weakening area 5 is sealed by inverted cone sealing-plug 15.It is marked with The rubber weakening area 5 of viscoelasticity high-damping rubber, during work realize isolation vibrational energy transmission, i.e., by rubber molecular chain it Between viscosity internal friction consuming the residual vibration energy that the transmission of Jing spring weakenings area 7 comes, and by the local of elastic damping 6 The absorption of vibrational energy is realized in deformation.
With reference to shown in Fig. 2, Fig. 5, gas weakening area 13 by upper thin cylinder 11, under 4 lateral surface of thin cylinder and sealing thin plate 10 surround, Compressed air suits 12 in gas weakening area 13, and sealed by the sealing bolt 14 and sealing gasket 16 in the middle part of upper thin cylinder 11.Fill There is the gas weakening area 13 of compressed gas 12, during work, realize the vibration deformation buffering in spring weakening area 7 and rubber weakening area 5, Air cushion is formed with compressed gas 12, and absorbed from spring weakening area 7 and the remnants in rubber weakening area 5 by the compression of gas Vibrational energy, so as to realize quick vibration damping, the weakening of flexible dashpot 2.

Claims (1)

1. a kind of flexible weakening attachment means for ground petroleum pipeline, mainly include pipeline A, flexible dashpot and pipeline B, The seam of pipeline A and pipeline B is provided with external screw thread, and the two ends of flexible dashpot are provided with female thread, flexible dashpot connecting tube Road A and pipeline B, it is characterised in that:The flexible dashpot mainly by upper thin cylinder, under thin cylinder and sealing thin plate constitute, upper thin cylinder For columnar structured, under thin cylinder be the columnar structured of " duplexing word " type section, sealing thin plate is cirque structure, sealing thin plate Be provided with screwed hole in the form of three layers of radiation, per layer of screwed hole is 12, upper thin cylinder, under thin cylinder pass through trip bolt and sealing gasket Be installed on two sealing thin plates, upper thin cylinder, under thin cylinder and the sealing area of space that surrounded of thin plate be divided into spring weakening Area, rubber weakening area and gas weakening area, spring weakening area are on the inside of the two ends of flexible dashpot and straight with pipeline A and pipeline B Contact, between two spring weakening areas, gas weakening area is distributed in the outside of flexible dashpot in rubber weakening area, covers whole Spring weakening area and rubber weakening area;The spring weakening area thin cylinder and sealing thin plate by under are surrounded, and single spring weakening area cuts 2 springs are installed at face, whole flexibility dashpot two ends are respectively provided with 8 groups of spring weakening areas;The rubber weakening area is by under Central region composition on the inside of thin cylinder, is marked with elastic damping in rubber weakening area, elastic damping is viscoelasticity high-damping rubber, rubber Jiao Xiaozhenqu is sealed by inverted cone sealing-plug;The gas weakening area by upper thin cylinder, under thin cylinder lateral surface and sealing thin plate enclose Into, compressed air suits in gas weakening area, and sealed by the sealing bolt in the middle part of upper thin cylinder and sealing gasket.
CN201510480255.7A 2015-08-08 2015-08-08 Flexible damping connection device for ground petroleum pipeline Expired - Fee Related CN105065818B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510480255.7A CN105065818B (en) 2015-08-08 2015-08-08 Flexible damping connection device for ground petroleum pipeline

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510480255.7A CN105065818B (en) 2015-08-08 2015-08-08 Flexible damping connection device for ground petroleum pipeline

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CN105065818A CN105065818A (en) 2015-11-18
CN105065818B true CN105065818B (en) 2017-04-19

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Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105422653A (en) * 2015-12-04 2016-03-23 镇江市润州联轴器厂 Elastic coupling
CN107131384B (en) * 2017-06-20 2022-12-16 武汉科技大学 Gas pipeline pressurization conveyer
CN108612934B (en) * 2018-05-17 2020-11-24 安徽众诚信息技术咨询有限公司 A central gas supply pipeline for town natural gas
CN113217468A (en) * 2021-06-23 2021-08-06 山东泰星新材料股份有限公司 Inlet and outlet connecting structure of centrifugal pump and using method

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU615418B2 (en) * 1986-08-22 1991-10-03 Geoffrey Alan Boundy Improvements relating to a joint arrangement and fitting
RU2133399C1 (en) * 1998-03-26 1999-07-20 Уфимский государственный авиационный технический университет Exhaust pipeline movable joint
CN102359682A (en) * 2011-09-30 2012-02-22 姜堰市高歌管道设备厂 Directly-buried maintenance-free axial conjointed sleeve compensator
CN203258247U (en) * 2013-05-23 2013-10-30 南通中正机械有限公司 Novel pipeline flexible joint
CN204901151U (en) * 2015-08-08 2015-12-23 济南大学 A flexible damping connecting device for ground petroleum pipeline

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