CN104613050B - Rigid sealing structure for water inlet and outlet valve and high-pressure water cylinder of supercharger - Google Patents

Rigid sealing structure for water inlet and outlet valve and high-pressure water cylinder of supercharger Download PDF

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Publication number
CN104613050B
CN104613050B CN201510047034.0A CN201510047034A CN104613050B CN 104613050 B CN104613050 B CN 104613050B CN 201510047034 A CN201510047034 A CN 201510047034A CN 104613050 B CN104613050 B CN 104613050B
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CN
China
Prior art keywords
inlet
pressure water
termination
valve
outlet
Prior art date
Application number
CN201510047034.0A
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Chinese (zh)
Other versions
CN104613050A (en
Inventor
崔厚玺
刘满雨
李晓红
孟志成
尚尔飞
徐冉冉
张生
Original Assignee
沈阳广惠志成数控切割设备有限公司
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Application filed by 沈阳广惠志成数控切割设备有限公司 filed Critical 沈阳广惠志成数控切割设备有限公司
Priority to CN201510047034.0A priority Critical patent/CN104613050B/en
Publication of CN104613050A publication Critical patent/CN104613050A/en
Application granted granted Critical
Publication of CN104613050B publication Critical patent/CN104613050B/en

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/20Other details, e.g. assembly with regulating devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B27/00Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
    • B25B27/02Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
    • B25B27/026Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same fluid driven
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/20Other details, e.g. assembly with regulating devices
    • F15B15/202Externally-operated valves mounted in or on the actuator
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B3/00Intensifiers or fluid-pressure converters, e.g. pressure exchangers; Conveying pressure from one fluid system to another, without contact between the fluids

Abstract

The invention discloses a rigid sealing structure for a water inlet and outlet valve and a high-pressure water cylinder of a supercharger. The rigid sealing structure comprises the high-pressure water cylinder, an oil cylinder end socket, an end, a piston rod, a hydraulic jack, the water inlet and outlet valve, pull rods, pull rod outer nuts and end locking nuts. The oil cylinder end socket and the end are connected with the two ends of the high-pressure water cylinder, the piston rod extends into a cavity of the high-pressure water cylinder, and the hydraulic jack is used for performing pre-tensioning sealing. The face, in contact with the high-pressure water cylinder, of the water inlet and outlet valve is arranged to be the sealed and matched conical face of the water inlet and outlet valve and the high-pressure water cylinder, and the face, in contact with the end, of the water inlet and outlet valve is arranged to be the sealed and matched conical face of the water inlet and outlet valve body and the end. The four pull rods penetrate through the hydraulic jack, and the end is in threaded connection with the oil cylinder end socket. An ejecting rod for driving the hydraulic jack is used for pressing the end, so that the sealed and matched conical face of the water inlet and outlet valve and the high-pressure water cylinder and the sealed and matched conical face of the water inlet and outlet valve and the end are closely matched to form the rigid sealing structure. The rigid sealing structure gets rid of the constraint of the performance of a plastic sealing part, a fault point is reduced fundamentally, and the sealing reliability of the end is ensured under higher pressure.

Description

Supercharger Inlet and outlet water valve body and high pressure water vat rigidity hard sealing structure

Technical field

The present invention relates to high-pressure water cutting core component supercharger, more particularly to supercharger Inlet and outlet water valve body and high pressure Water vat rigidity hard sealing structure.

Background technology

With the development of water-jet technology application, the pressure also more and more higher of water jet, original paper sealing in water jet system Life and reliability be restriction water jet development a key factor.On the one hand, high pressure water vat and Inlet and outlet water valve body is logical It is to dispose the high-wearing feature plastic cement sealing member of a set of circulus between with seal form, water under high pressure squeeze sealing member is sent out Raw elastic deformation, reaches the purpose of sealing, pressure is higher, commutating frequency is faster, and sealing life is shorter;When pressure is higher, exceed There is plastic deformation in elastic limit of materials, encapsulant itself cannot meet use requirement.On the other hand in order to easy to maintenance, Existing termination, turnover water body, high pressure water vat generally adopt two kinds of connected forms, and 1. termination and the mutual screw thread of high pressure water vat connect Connect, advantage is that quality of fit is high, in equipment running process, Inlet and outlet water valve body circumference uniform force, concentricity are high, and sealing member is moulding Deformation is consistent, and sealing life is long;Shortcoming is in equipment normal course of operation, and threaded high pressure water vat and termination are held simultaneously By alternation axial tension and radial tension, pressure amplitude is big, and life-time service screw thread fatigue deformation easily causes screw thread and stings Extremely.Cannot dismantle.Often dismounting also easily causes termination, high pressure water vat thread abrasion and damage and scraps.2. termination and high pressure Water vat connects pretensions by four pull bars being fixed on cylinder cover, advantage be will not occur thread biting locking and thread abrasion, The phenomenon damaged.Shortcoming is the pretension by pull bar and nut, and nut is rigidly connected with termination, because rubbing in each nut and termination Wipe coefficient different, cause pass in and out water one-way valve radial direction heart stress different, in equipment running process, concentricity is low, sealing member Plastic deformation is inconsistent, and sealing life is short.

In sum, either encapsulant or type of attachment are all that restriction Water jet equipment future development improves Key factor.

Content of the invention

The technical problem to be solved in the present invention be to provide one kind can in below 600mpa it is ensured that permanent static seal performance, Cancel plastic cement sealing member, so that Inlet and outlet water valve body is rigidly connected with high pressure water vat, conveniently install, dismantle, keep in repair, safeguard, repeat The supercharger Inlet and outlet water valve body using and high pressure water vat rigidity hard sealing structure.

The technical scheme is that

Supercharger Inlet and outlet water valve body and high pressure water vat rigidity hard sealing structure, including high pressure water vat and high pressure water vat two ends The oil cylinder seal head that connects and termination, the piston rod stretching in high pressure water vat cavity, go out water one-way valve joint equipped with high pressure water outlet list The Inlet and outlet water valve body equipped with low pressure water feeding one-way valve assembly, the hydraulic jack as pre- tightening seal to valve module and low pressure water inlet end Top, pull bar, pull bar outer nut, termination locking nut.Described Inlet and outlet water valve body is arranged in termination, so that high pressure water side is located at In termination, the low pressure water inlet end of Inlet and outlet water valve body is integrally located in high pressure water vat cavity.Described Inlet and outlet water valve body and high pressure water vat Contact surface is configured to Inlet and outlet water valve body and the high pressure water vat sealing cooperation conical surface, and Inlet and outlet water valve body and termination contact surface are configured to turnover Water valve body coordinates the conical surface with end seals.Sequentially pass through tension rod thru-hole the spiral shell set by hydraulic jack, termination with four pull bars Stricture of vagina is connected to the pull bar screw hole set by oil cylinder seal head.Described pull bar outer nut and termination locking nut difference spinning are in hydraulic pressure thousand On the pull bar of jin top outside and inner side, adjusting yoke outer nut, make termination and high pressure water vat on same axial line, by hydraulic oil Input input hydraulic pressure oil, driving hydraulic jack push rod pressed end, promote Inlet and outlet water valve body and high pressure water vat sealing cooperation cone Face and Inlet and outlet water valve body are snuggly mated to together with the end seals cooperation conical surface, then by the locking of termination locking nut in oil cylinder envelope On head, constitute supercharger Inlet and outlet water valve body and high pressure water vat rigidity hard sealing structure.

Above-mentioned Inlet and outlet water valve body is arranged in termination, and termination and Inlet and outlet water valve body are gap cooperations, are provided with o type circle and dispose In the water inlet corresponding groove of left end, Inlet and outlet water valve body right-hand member has Inlet and outlet water valve body and end seals to coordinate the conical surface, in o type circle and Have and form sealing low pressure intake antrum between Inlet and outlet water valve body and the end seals cooperation conical surface.

The present invention has self-centering feature according to hydraulic jack;Inlet and outlet water valve body and termination, high pressure water vat are the conical surface Contact, the conical surface has a self-centering feature, jack input hydraulic pressure oil, four pull bars simultaneously uniform stressed it is ensured that drawbar structure On the premise of advantage, tradition is overcome to tighten nut successively, pull bar discontinuity is it is impossible to ensure lacking of sealing property stability Point, reduces maintenance work intensity, shortens maintenance time, improves work efficiency;Inlet and outlet water valve body is subject to the high pressure water vat conical surface External force acts on into rigid hard sealing structure, cancellation periodic replacement plastic cement sealing member, breaks away from the constraint of plastic cement property of sealing piece, from root One trouble point is reduced on basis it is ensured that under higher pressure, the reliability of end seals, this Structure adaptation scope is wide.

Brief description

Fig. 1 is the structural representation of the present invention.

Specific embodiment

Supercharger Inlet and outlet water valve body and high pressure water vat rigidity hard sealing structure, including high pressure water vat 18 and high pressure water vat two Hold the oil cylinder seal head 20 connecting and termination 9, the piston rod 19 stretching in high pressure water vat cavity, go out water one-way valve joint 7 equipped with height Extrude water one-way valve assembly 8 and low pressure water inlet end equipped with the Inlet and outlet water valve body 13 of low pressure water feeding one-way valve assembly 17, as pretension The hydraulic jack 4 of sealing, pull bar 1, pull bar outer nut 2, termination locking nut 6.Described Inlet and outlet water valve body 13 is arranged on end In 9, high pressure water side is made to be located in termination 9, the low pressure water inlet end of Inlet and outlet water valve body 13 is integrally located at high pressure water vat 18 cavity In.Described Inlet and outlet water valve body 13 and high pressure water vat 18 contact surface are configured to Inlet and outlet water valve body and the high pressure water vat sealing cooperation conical surface 16, Inlet and outlet water valve body 13 and termination 9 contact surface are configured to Inlet and outlet water valve body and coordinate the conical surface 12 with end seals.With four pull bars 1 Sequentially pass through the tension rod thru-hole set by hydraulic jack 4, termination 9 and be threaded in the pull bar screw set by oil cylinder seal head 20 Hole.Spinning, outside hydraulic jack and on the pull bar 1 of inner side, is adjusted respectively for described pull bar outer nut 2 and termination locking nut 6 Pull bar outer nut 2, makes termination 9 and high pressure water vat 18 on same axial line, by hydraulic oil input 3 input hydraulic pressure oil, drives Hydraulic jack push rod 5 pressed end 9, promotes Inlet and outlet water valve body and the high pressure water vat sealing cooperation conical surface 16 and Inlet and outlet water valve body and end The head sealing cooperation conical surface 12 is snuggly mated to together, then is locked on oil cylinder seal head 20 by termination locking nut 6, and jack unloads Lotus, removes jack, constitutes supercharger Inlet and outlet water valve body and high pressure water vat rigidity hard sealing structure.Described Inlet and outlet water valve body 13 is pacified It is contained in termination 9, termination 9 and Inlet and outlet water valve body 13 are gap cooperations, are provided with o type circle 10 and are placed in groove corresponding into water left end Interior, Inlet and outlet water valve body right-hand member has Inlet and outlet water valve body and end seals to coordinate the conical surface 12, close with termination in o type circle and Inlet and outlet water valve body Form low pressure intake antrum, low pressure water is from termination inlet opening 11, by low pressure intake antrum and be located at turnover between the envelope cooperation conical surface 12 Low pressure water inlet hole path 15 within water valve body, through low pressure water feeding one-way valve assembly 17, is transported to high pressure water vat 18, through piston pressure High pressure apopore 14 is passed through in contracting, drives high pressure water outlet check valve assembly 8 to open, exports water under high pressure.

Claims (2)

1. supercharger Inlet and outlet water valve body and high pressure water vat rigidity hard sealing structure, including high pressure water vat (18) and high pressure water vat two Hold the oil cylinder seal head (20) connecting and termination (9), the piston rod (19) stretching in high pressure water vat cavity, go out water one-way valve joint (7) equipped with high pressure water outlet check valve assembly (8) and low pressure water inlet end equipped with low pressure water feeding one-way valve assembly (17) inlet/outlet valve Body (13), the hydraulic jack (4) as pre- tightening seal, pull bar (1), pull bar outer nut (2), termination locking nut (6), it is special Levy and be that described Inlet and outlet water valve body (13) is arranged in termination (9), so that high pressure water side is located in termination (9), inlet/outlet valve The low pressure water inlet end of body (13) is integrally located in high pressure water vat (18) cavity, described Inlet and outlet water valve body (13) and high pressure water vat (18) Contact surface is configured to Inlet and outlet water valve body with the high pressure water vat sealing cooperation conical surface (16), and Inlet and outlet water valve body (13) is contacted with termination (9) Face is configured to Inlet and outlet water valve body and end seals the cooperation conical surface (12), with four pull bars (1) sequentially pass through hydraulic jack (4), Tension rod thru-hole set by termination (9) is simultaneously threaded in pull bar screw hole set by oil cylinder seal head (20), described pull bar outer nut (2) and termination locking nut (6) respectively spinning outside hydraulic jack and on the pull bar (1) of inner side, adjusting yoke outer nut (2), make termination (9) and high pressure water vat (18) on same axial line, by hydraulic oil input (3) input hydraulic pressure oil, drive liquid Pressure jack bar (5) pressed end (9), promotes Inlet and outlet water valve body and the high pressure water vat sealing cooperation conical surface (16) and Inlet and outlet water valve body It is snuggly mated to together with the end seals cooperation conical surface (12), then locked in oil cylinder seal head (20) by termination locking nut (6) On, constitute supercharger Inlet and outlet water valve body and high pressure water vat rigidity hard sealing structure.
2. supercharger Inlet and outlet water valve body according to claim 1 and high pressure water vat rigidity hard sealing structure it is characterised in that Described Inlet and outlet water valve body (13) is arranged in termination (9), and termination (9) and Inlet and outlet water valve body (13) are gap cooperations, are provided with o type Circle (10) is placed in in the corresponding groove of water left end, and Inlet and outlet water valve body right-hand member has Inlet and outlet water valve body to coordinate the conical surface with end seals (12), form sealing low pressure intake antrum between o type circle (10) and Inlet and outlet water valve body and the end seals cooperation conical surface (12).
CN201510047034.0A 2015-01-30 2015-01-30 Rigid sealing structure for water inlet and outlet valve and high-pressure water cylinder of supercharger CN104613050B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510047034.0A CN104613050B (en) 2015-01-30 2015-01-30 Rigid sealing structure for water inlet and outlet valve and high-pressure water cylinder of supercharger

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510047034.0A CN104613050B (en) 2015-01-30 2015-01-30 Rigid sealing structure for water inlet and outlet valve and high-pressure water cylinder of supercharger

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CN104613050A CN104613050A (en) 2015-05-13
CN104613050B true CN104613050B (en) 2017-01-18

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105604995A (en) * 2016-01-25 2016-05-25 辽宁广惠智能装备有限公司 500MPa water cutting pressurizing unit
CN105546116A (en) * 2016-01-25 2016-05-04 辽宁广惠智能装备有限公司 Self-centering ultrahigh-pressure motive seal kit
CN105570116A (en) * 2016-01-25 2016-05-11 辽宁广惠智能装备有限公司 Large-displacement water jet cutting booster

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DE4447611A1 (en) * 1994-10-28 1996-07-18 Wagner Hermann Hydraulic pressure intensifier, and its use in a water-hydraulic welding system
DE19804065A1 (en) * 1998-02-04 1999-12-23 Matthias Honl Jet cutting method useful for cutting biological tissue, e.g. human connective and skeletal tissue
CN2895829Y (en) * 2006-04-21 2007-05-02 陈波 Booster for water knife
US20080107548A1 (en) * 2006-11-02 2008-05-08 Stephens Dynamics, Inc. Rotary reciprocating intensified hydraulic actuator
CN101424281A (en) * 2008-11-14 2009-05-06 中国农业大学 Ultra-high pressure aqueous medium supercharger
CN101907091B (en) * 2010-08-20 2011-11-16 南京大地水刀股份有限公司 Novel balanced type water inlet and outlet valve group of ultrahigh pressure supercharger
CN204512066U (en) * 2015-01-30 2015-07-29 沈阳广惠志成数控切割设备有限公司 Pressurized machine water inlet and outlet valve body and high pressure water vat rigidity hard sealing structure

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