CN107327537B - Buffer tank shock absorber - Google Patents

Buffer tank shock absorber Download PDF

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Publication number
CN107327537B
CN107327537B CN201710786262.9A CN201710786262A CN107327537B CN 107327537 B CN107327537 B CN 107327537B CN 201710786262 A CN201710786262 A CN 201710786262A CN 107327537 B CN107327537 B CN 107327537B
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CN
China
Prior art keywords
shock absorber
main body
hydraulic cylinder
buffer tank
absorber main
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
CN201710786262.9A
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Chinese (zh)
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CN107327537A (en
Inventor
刘健
陈雅琪
孙晓东
王鑫
刘翰
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China University of Petroleum East China
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China University of Petroleum East China
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Priority to CN201710786262.9A priority Critical patent/CN107327537B/en
Publication of CN107327537A publication Critical patent/CN107327537A/en
Application granted granted Critical
Publication of CN107327537B publication Critical patent/CN107327537B/en
Expired - Fee Related legal-status Critical Current
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    • 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
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
    • F16F15/04Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
    • F16F15/08Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with rubber springs ; with springs made of rubber and metal
    • F16F15/085Use of both rubber and metal springs
    • 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
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F13/00Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs
    • F16F13/005Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a wound spring and a damper, e.g. a friction damper
    • F16F13/007Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a wound spring and a damper, e.g. a friction damper the damper being a fluid damper
    • 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
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
    • F16F15/023Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using fluid means
    • 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
    • F16JPISTONS; CYLINDERS; SEALINGS
    • F16J15/00Sealings
    • F16J15/50Sealings between relatively-movable members, by means of a sealing without relatively-moving surfaces, e.g. fluid-tight sealings for transmitting motion through a wall
    • F16J15/52Sealings between relatively-movable members, by means of a sealing without relatively-moving surfaces, e.g. fluid-tight sealings for transmitting motion through a wall by means of sealing bellows or diaphragms

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Fluid-Damping Devices (AREA)
  • Vibration Dampers (AREA)

Abstract

The invention discloses a buffer tank shock absorber which comprises a shock absorber main body, a buffer tank fixing ring, a hydraulic cylinder and a base, wherein the buffer tank fixing ring is of an open annular structure, two open ends of the buffer tank fixing ring are fixed on the shock absorber main body, the hydraulic cylinder is installed between the shock absorber main body and the base, a buffer structure is arranged in an inner cavity at the lower end of the hydraulic cylinder, a piston rod is arranged at the lower end of the shock absorber main body, the piston rod enters the hydraulic cylinder through an opening at the top end of the hydraulic cylinder, a piston is installed at the lower end of the piston rod, an expansion valve and a circulation valve are installed at the left end and the right end of the piston respectively, energy generated by vibration is.

Description

Buffer tank shock absorber
Technical Field
The invention relates to a shock absorber, in particular to a buffer tank shock absorber.
Background
The vibration damper is generally used for equipment or instruments with large vibration degree during working, such as vibration damping and supporting of a buffer tank applied to a natural gas compressor. The buffer tank support used for production at present is mostly a simple support, as shown in fig. 1, and only plays a role of supporting, but not a role of damping. Owing to receive the effect of the periodic load of piston, the cylinder can produce the ascending violent vibration of vertical side in the course of the work to can drive the buffer tank and vibrate from top to bottom, only carry out simple support, the vibration of buffer tank can not weaken effectively, thereby can influence the life of buffer tank, also can bring noise pollution for the environment on every side simultaneously.
In view of the foregoing, there is a need for a surge tank damper that effectively dampens the vibration of the surge tank.
Disclosure of Invention
The invention aims to provide a buffer tank shock absorber to solve the problems in the prior art, and by converting energy generated by vibration into internal energy of liquid and elastic potential energy of a spring and arranging a rubber block, the vibration of the buffer tank is greatly reduced, and the service life of the shock absorbing tank is effectively prolonged.
In order to achieve the purpose, the invention provides the following scheme:
the invention provides a buffer tank shock absorber which comprises a shock absorber main body, a buffer tank fixing ring, a hydraulic cylinder and a base, wherein the buffer tank fixing ring is of an open circular ring structure, the two open ends of the buffer tank fixing ring are fixed on the shock absorber main body, the hydraulic cylinder is installed between the shock absorber main body and the base, a buffer structure is arranged in an inner cavity at the lower end of the hydraulic cylinder, a piston rod is arranged at the lower end of the shock absorber main body, the piston rod enters the hydraulic cylinder through an opening at the top end of the hydraulic cylinder, a piston is installed at the lower end of the piston rod, and an extension valve and a circulation valve are installed at the left end and.
Optionally, the upper end of the damper main body is of a concave arc structure.
Optionally, a groove is formed in the arc-shaped structure, and a rubber block is installed in the groove.
Optionally, the number of the grooves is multiple, and the rubber block is installed in each groove.
Optionally, the upper end of the rubber block is higher than the upper end of the arc-shaped structure, the side wall of the rubber block is attached to the inner wall of the groove, and a gap is reserved between the bottom side of the rubber block and the inner wall of the groove.
Optionally, the number of the grooves is 3, the shape of the middle groove is trapezoidal, the shapes of the bottoms of the grooves on the two sides are W-shaped, and the shapes of the rubber blocks are matched with the corresponding grooves.
Optionally, a spring is sleeved outside the hydraulic cylinder, one end of the spring is abutted against the shock absorber body, and the other end of the spring is abutted against the base.
Optionally, a dust cover is provided between the lower end of the damper body and the base.
Optionally, the buffer tank fixing ring is connected with the shock absorber main body through a screw; the base is provided with a bolt hole so as to fix the shock absorber.
Optionally, the cushioning structure is a cushioning bladder.
Compared with the prior art, the invention has the following technical beneficial effects:
1. according to the buffer tank vibration absorber provided by the invention, the vibration of the buffer tank is greatly reduced by converting energy generated by vibration into internal energy of liquid, and the service life of the buffer tank is prolonged.
2. According to the buffer tank shock absorber provided by the invention, the rubber block is arranged at the upper end of the shock absorber main body, and the spring is sleeved on the hydraulic cylinder, so that the shock absorber has a better shock absorption effect.
3. According to the buffer tank shock absorber provided by the invention, the dust cover is arranged between the upper body and the base of the shock absorber, so that dust is effectively prevented from entering a hydraulic cylinder of the shock absorber, and the service life of the hydraulic cylinder is prolonged.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
FIG. 1 is a schematic structural view of a surge tank damper of the present invention;
FIG. 2 is a schematic structural diagram of a conventional surge tank damper;
FIG. 3 is a force analysis diagram of the rubber in the present invention under horizontal force;
FIG. 4 is a force analysis diagram of the rubber in the present invention under a vertical force;
in the figure: 1-a buffer tank fixing ring, 2-a screw, 3-a rubber block, 4-a hydraulic cylinder, 5-a spring, 6-a circulation valve, 7-a buffer bag, 8-a dust cover, 9-a bolt hole, 10-a base, 11-an extension valve, 12-a piston, 13-a piston rod and 14-a shock absorber main body.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention aims to provide a buffer tank shock absorber to solve the problems in the prior art, and by converting energy generated by vibration into internal energy of liquid and elastic potential energy of a spring and arranging a rubber block, the vibration of the buffer tank is greatly reduced, and the service life of the shock absorbing tank is effectively prolonged.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
The invention provides a buffer tank shock absorber, as shown in figure 1, comprising a base 10, a shock absorber main body 14, a buffer tank fixing ring 1 and a hydraulic cylinder 4, wherein the buffer tank fixing ring 1 is in an open circular ring structure, two open ends of the buffer tank fixing ring 1 are fixed on the shock absorber main body 14 through screws 2, the hydraulic cylinder 4 is installed between the shock absorber main body 14 and the base 10, and an inner cavity at the lower end of the hydraulic cylinder 4 is provided with a buffer structure, in the embodiment, the buffer structure is preferably a buffer bag 7, the lower end of the shock absorber main body 14 is provided with a piston rod 13, the piston rod 13 enters the hydraulic cylinder 4 through an opening at the top end of the hydraulic cylinder 4, the lower end of the piston rod 13 is provided with a piston 12, the left end and the right end of the piston 12 are respectively provided with a rebound valve 11 and a flow valve 6, the flow valve 6, the base 10 is also provided with bolt holes 9 for fixing the vibration damper on the compressor base.
In order to facilitate the installation of the surge tank, the upper end of the shock absorber main body 14 is provided in an inwardly concave arc structure, so that the shape of the upper end of the shock absorber main body 14 is matched with the shape of the lower end of the surge tank,
in order to further improve the damping effect, the structural three recess that has seted up of arc, middle recess shape is trapezoidal, the bottom shape of both sides recess is the W type, all install block rubber 3 in every recess, install trapezoidal block rubber in the middle recess, install W type block rubber in the recess of both sides, the upper end of block rubber 3 is higher than the upper end of arc structure, the lateral wall of block rubber 3 and the inner wall laminating of recess, leave the clearance between the inner wall of block rubber 3 bottom side and recess, and the outside cover of pneumatic cylinder 4 has spring 5, shock absorber main part 14 is resisted to spring 5 one end, the other end resists base 10.
In order to prolong the service life of the hydraulic cylinder 4, a dust cover 8 is provided between the lower end of the damper body 14 and the base 10, and the hydraulic cylinder 4 is placed inside the dust cover 8, effectively preventing dust from entering the hydraulic cylinder 4.
The invention provides a buffer tank shock absorber, in the specific application process, the buffer tank is arranged on a shock absorber main body 14, the buffer tank is fixed through a buffer tank fixing ring 1, the bottom of the buffer tank is attached to the top end of a rubber block 3 at the upper end of the shock absorber main body 14, when the buffer tank vibrates downwards, the shock absorber main body 14 moves downwards to drive a piston 12 and a spring 5 to move downwards, at the moment, a stretching valve 11 is forced to be closed, a circulation valve 6 is forced to be opened, oil flows into an upper chamber from a lower chamber, the piston rod 13 occupies a part of the volume of the upper chamber, the amount of oil theoretically required to be discharged by the lower chamber is larger than the amount of oil flowing into the upper chamber, so that the pressure of the lower chamber is increased, at the moment, a buffer bag 7 is subjected to strong pressure to expand outwards to compensate the. When the buffer tank vibrates upwards, the shock absorber main body 14 moves upwards to drive the piston 12 and the spring 5 to move upwards, the extension valve 11 is opened, the circulation valve 6 is closed, oil flows into the lower chamber from the upper chamber, the pressure of the lower chamber is reduced due to the fact that the increase of the volume of the lower chamber is larger than the oil flow of the upper chamber into the lower chamber, at the moment, the buffer bag 6 contracts, and partial liquid in the buffer bag is squeezed out to compensate the reduction of the pressure of the lower chamber. In the process, the vibration energy is converted into the elastic potential energy of the spring 5 and the internal energy of the liquid in the hydraulic cylinder 4, so that the vibration degree of the buffer tank is greatly reduced.
In addition, the force of the buffer tank acting on the W-shaped rubber block can be decomposed into a horizontal force Fx and a vertical force Fy. As shown in figures 2 and 3, when the upper surface of the W-shaped rubber block is acted by a horizontal force Fx, the side surface of the W-shaped rubber block is extruded to generate a large shearing force Fa, when the upper surface of the W-shaped rubber block is acted by a vertical force Fy, the side surface of the W-shaped rubber block is extruded to generate a large shearing force Fb, the rubber area A and the rubber area B are similar to a wedge-shaped structure, and can bear a very large load and well transfer force according to the characteristics of the wedge-shaped structure, and for the trapezoidal rubber block, the trapezoidal rubber block is of a wedge-shaped structure.
The principle and the implementation mode of the invention are explained by applying specific examples, and the description of the above examples is only used for helping understanding the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In summary, this summary should not be construed to limit the present invention.

Claims (3)

1. A surge tank shock absorber which characterized in that: the shock absorber comprises a shock absorber main body, a buffer tank fixing ring, a hydraulic cylinder and a base, wherein the buffer tank fixing ring is of an open circular ring structure, two open ends of the buffer tank fixing ring are fixed on the shock absorber main body, the hydraulic cylinder is installed between the shock absorber main body and the base, a buffer structure is arranged in an inner cavity at the lower end of the hydraulic cylinder, a piston rod is arranged at the lower end of the shock absorber main body, the piston rod enters the hydraulic cylinder through an opening at the top end of the hydraulic cylinder, a piston is installed at the lower end of the piston rod, and an extension valve and a circulation valve are installed at the left; the buffer structure is a buffer bag; a spring is sleeved outside the hydraulic cylinder, one end of the spring is propped against the shock absorber main body, and the other end of the spring is propped against the base; the upper end of the shock absorber main body is of an inwards concave arc structure; a groove is formed in the arc-shaped structure, and a rubber block is arranged in the groove; the number of the grooves is multiple, and the rubber block is arranged in each groove; the upper end of the rubber block is higher than the upper end of the arc-shaped structure, the side wall of the rubber block is attached to the inner wall of the groove, and a gap is reserved between the bottom side of the rubber block and the inner wall of the groove; the number of the grooves is 3, the shape of the middle groove is trapezoidal, the shapes of the bottoms of the grooves on the two sides are W-shaped, and the shapes of the rubber blocks are matched with the corresponding grooves.
2. The surge tank damper as defined in claim 1, wherein: and a dust cover is arranged between the lower end of the shock absorber main body and the base.
3. The surge tank damper as defined in claim 1, wherein: the buffer tank fixing ring is connected with the shock absorber main body through a screw; the base is provided with a bolt hole so as to fix the shock absorber.
CN201710786262.9A 2017-09-04 2017-09-04 Buffer tank shock absorber Expired - Fee Related CN107327537B (en)

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Application Number Priority Date Filing Date Title
CN201710786262.9A CN107327537B (en) 2017-09-04 2017-09-04 Buffer tank shock absorber

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Application Number Priority Date Filing Date Title
CN201710786262.9A CN107327537B (en) 2017-09-04 2017-09-04 Buffer tank shock absorber

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CN107327537B true CN107327537B (en) 2020-01-03

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109826241B (en) * 2018-12-26 2021-02-09 中国机械工业集团有限公司 Strong impact vibration resistant control device of built-in suspension system of underground shaft
CN114426149A (en) * 2022-02-17 2022-05-03 明士新材料有限公司 Accurate liquid feeding device and method in PI resin production process

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0226389A (en) * 1988-07-15 1990-01-29 Mitsubishi Electric Corp Earthquake-proof supporter
US7404548B2 (en) * 2005-08-10 2008-07-29 Illinois Tool Works Inc. Dampening clip assembly
CN205503852U (en) * 2016-04-05 2016-08-24 河南天一减振器科技有限公司 Binocular hydraulic damper with mend oil in time, fully
CN206054946U (en) * 2016-09-30 2017-03-29 泸州市金松机械设备制造有限公司 Shockproof type hydraulically extensible pipeline support equipment
CN106764081A (en) * 2016-12-19 2017-05-31 韩进 automobile oil pipe mounting seat
CN206274061U (en) * 2016-12-05 2017-06-23 中国石油大学(华东) Vibration absorber based on compressor outlet surge tank

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204029540U (en) * 2014-09-04 2014-12-17 浙江金盘变压器有限公司 A kind of damping epoxy air-immersed transformer

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0226389A (en) * 1988-07-15 1990-01-29 Mitsubishi Electric Corp Earthquake-proof supporter
US7404548B2 (en) * 2005-08-10 2008-07-29 Illinois Tool Works Inc. Dampening clip assembly
CN205503852U (en) * 2016-04-05 2016-08-24 河南天一减振器科技有限公司 Binocular hydraulic damper with mend oil in time, fully
CN206054946U (en) * 2016-09-30 2017-03-29 泸州市金松机械设备制造有限公司 Shockproof type hydraulically extensible pipeline support equipment
CN206274061U (en) * 2016-12-05 2017-06-23 中国石油大学(华东) Vibration absorber based on compressor outlet surge tank
CN106764081A (en) * 2016-12-19 2017-05-31 韩进 automobile oil pipe mounting seat

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