CN110397636B - Energy storage type bidirectional pressure regulating valve - Google Patents
Energy storage type bidirectional pressure regulating valve Download PDFInfo
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- CN110397636B CN110397636B CN201910715979.3A CN201910715979A CN110397636B CN 110397636 B CN110397636 B CN 110397636B CN 201910715979 A CN201910715979 A CN 201910715979A CN 110397636 B CN110397636 B CN 110397636B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/021—Valves for interconnecting the fluid chambers of an actuator
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
- F15B1/02—Installations or systems with accumulators
- F15B1/027—Installations or systems with accumulators having accumulator charging devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
- F15B1/02—Installations or systems with accumulators
- F15B1/04—Accumulators
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/16—Mechanical energy storage, e.g. flywheels or pressurised fluids
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Safety Valves (AREA)
- Details Of Valves (AREA)
Abstract
The invention discloses an energy storage type two-way pressure regulating valve, belonging to the field of two-way regulating valves, which reduces the influence of pressure generated in fluid in a pipeline on a regulating valve when the regulating valve is quickly regulated by a two-way energy accumulator, because the whole two-way energy accumulator has completely symmetrical layout, the two-way energy accumulators can uniformly bear load, so that the abrasion of the two-way energy accumulators is approximately the same, the excessive loss of a certain two-way energy accumulator caused by the layout problem of the two-way energy accumulators is not easy to cause to shorten the service life of the regulating valve, simultaneously, the impact of hydraulic pressure on the regulating valve is reduced by the matching work of the two-way energy accumulators, the scouring loss of high-pressure fluid on the inner wall of the regulating valve and the energy accumulators is reduced to the maximum extent, the working loss of the regulating valve and the energy accumulators in normal work is greatly reduced, and the service, the daily maintenance work of staff is reduced.
Description
Technical Field
The invention relates to the field of bidirectional regulating valves, in particular to an energy storage type bidirectional pressure regulating valve.
Background
The regulating valve is also called a control valve, and in the field of industrial automation process control, the final control element for changing the process parameters of medium flow, pressure, temperature, liquid level and the like by power operation through receiving the control signal output by a regulating control unit. Generally, the valve consists of an actuating mechanism and a valve, and if the stroke characteristic is adopted, the regulating valve can be divided into a straight stroke and an angular stroke.
The accumulator is an energy storage device in a hydraulic pneumatic system, converts energy in the system into compression energy or potential energy at proper time for storage, converts the compression energy or potential energy into hydraulic energy or air pressure energy for release when the system is needed, and supplies the energy to the system again.
When the regulating valve is suddenly regulated in normal work, the sudden stop of the movement of the actuating element can generate pressure impact in a hydraulic system, so that the system pressure is quickly increased in a short time, the instrument, the element and the sealing device are damaged, vibration and noise are generated, and the influence of the pressure generated in the hydraulic system on the regulating valve is reduced by the existence of the energy accumulator.
The existing energy accumulator can only perform one-way energy storage due to the design problem, the regulating valve is used as a connecting piece with control capacity and can be connected in a two-way flowing pipeline sometimes, and in the two-way flowing pipeline, two energy accumulators are needed to be arranged for protecting the regulating valve so that the regulating valve can normally work, so that the size of the regulating valve is enlarged, and the normal assembly of the regulating valve is influenced.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide an energy storage type bidirectional pressure regulating valve which can reduce the influence of pressure generated in fluid in a pipeline on a regulating valve when the regulating valve is quickly regulated by a bidirectional energy accumulator, and can reduce the scouring loss of high-pressure fluid on the inner wall of the regulating valve and the energy accumulator to the maximum extent, greatly reduce the working loss of the regulating valve and the energy accumulator during normal working, prolong the service life of the regulating valve and the energy accumulator and reduce the daily maintenance work of workers by reasonably designing the position of the energy accumulator.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
An energy storage type bidirectional pressure regulating valve comprises a bidirectional regulating valve shell, wherein an inlet A, an inlet B and a piston channel are drilled on the bidirectional regulating valve shell, the interior of the bidirectional regulating valve shell is communicated with the outside through the inlet A, the inlet B and the piston channel, the inlet A is matched with the inlet B, a sealing piston matched with the bidirectional regulating valve shell is placed in the piston channel, the upper end of the sealing piston is connected with a torsion bar, one end, away from the sealing piston, of the torsion bar penetrates through the piston channel and extends to the outer side of the bidirectional regulating valve shell, one end, away from the sealing piston, of the torsion bar is connected with a rotary table, a bidirectional energy storage ring is connected in the bidirectional regulating valve shell, the bidirectional energy storage ring is sleeved on the outer side of the sealing piston, a pair of sealing blocks is connected between the sealing piston and the bidirectional energy storage ring, and a pair of main water flow holes respectively matched, a pair of cavities are formed in the bidirectional energy storage ring, a pair of auxiliary water flow holes are formed in the side wall of each cavity, the cavities are communicated with the outside through the two auxiliary water flow holes, the two auxiliary water flow holes are respectively positioned at two sides of the sealing block, a pair of sliding grooves are formed in the inner wall of each cavity, a limiting half ring is connected between the side walls of the sliding grooves, a limiting sliding block matched with the sliding grooves is sleeved on each limiting half ring, buffering compression springs are connected between the limiting sliding blocks and the two side walls of the sliding grooves, the two buffering compression springs are sleeved on the sliding grooves, a bidirectional energy accumulator is placed in each cavity and fixedly connected with the two limiting sliding blocks, the influence of pressure generated in fluid in a pipeline on an adjusting valve when the adjusting valve is quickly adjusted can be reduced through the bidirectional energy accumulator, and the position of the energy accumulator is reasonably designed, furthest's reduction is at high-pressure fluid to the governing valve inner wall and the energy storage ware loss of erodeing, reduces the work loss of governing valve and energy storage ware normal operating by a wide margin, prolongs the life of governing valve and energy storage ware, reduces staff's routine maintenance work.
Further, two-way energy storage ware includes the energy storage ware shell, two pipe orifices department of energy storage ware shell is connected with the energy storage ware lid, place in the cavity a pair ofly with energy storage ware lid assorted cover, two the one end that the energy storage ware lid was kept away from to the energy storage ware lid cover all is connected with the arc post, two be connected with the arc telescopic link between the arc post, energy storage ware shell in-connection have with the spacing lantern ring of arc post assorted, two all be connected with energy storage compression spring between energy storage ware lid cover and the spacing lantern ring, and energy storage compression spring cup joints in the outside of energy storage ware lid cover and arc post, two-way energy storage ware can make liquid from the homoenergetic performance energy storage effect in the two-way governing valve shell of entry A or entry B inflow.
Furthermore, a sealing rubber pad is connected between the limiting sliding block and the sliding groove bottom plate, and the sealing rubber pad is fixedly connected with the limiting sliding block, so that liquid is not easy to seep out from the sliding groove bottom plate and the limiting sliding block after flowing into the bidirectional energy accumulator, and the sealing performance of the regulating valve is not easy to influence.
Furthermore, be connected with sealed bearing between spacing slider and the spacing semi-ring, and sealed bearing and spacing slider fixed connection do not influence under the gliding prerequisite of spacing slider on spacing semi-ring, sealed bearing can increase the leakproofness between spacing semi-ring and the spacing slider, is difficult for influencing the leakproofness of governing valve.
Furthermore, the inner walls of the inlet A and the inlet B are provided with internal thread, so that the shell of the bidirectional regulating valve can be conveniently connected and detached with the outer pipe.
Furthermore, the plurality of buffer compression springs and the energy storage compression springs are in a compression state in the processes of standby and normal work, so that the buffer compression springs and the energy storage compression springs are not easy to change into a stretching state under the action of liquid hydraulic pressure in the working state, the buffer compression springs and the energy storage compression springs are not easy to damage, and meanwhile, the pre-pressure is applied to the buffer compression springs and the energy storage compression springs to increase the energy storage capacity of the buffer compression springs and the energy storage compression springs, so that the bidirectional energy accumulator can bear higher hydraulic pressure.
Furthermore, the shell of the bidirectional regulating valve, the inner wall and the outer wall of the energy accumulator and all parts are coated with corrosion-resistant layers, so that the inner wall and the outer wall of the regulating valve and the energy accumulator and all parts are not easy to be damaged due to corrosion.
Furthermore, two main water flow hole is about the axle center central symmetry of sealing piston, two the cavity is about the axle center central symmetry of sealing piston, makes the overall arrangement of main water flow hole and cavity be difficult for influencing the flow direction of liquid in the governing valve, makes two cavities can the even energy storage, is difficult for causing a cavity to damage in advance because of the liquid flow is different, is difficult for influencing the normal working life of governing valve.
Furthermore, the positions of the two-way regulating valve shell, the sealing piston and the inner and outer walls of the two-way energy storage ring, through which liquid passes, are all provided with wear-resistant layers, so that the two-way regulating valve shell, the sealing piston and the inner and outer walls of the two-way energy storage ring are not easily damaged by liquid scouring, and the normal service life of the regulating valve is not easily influenced.
Furthermore, the polishing layer is laid on the outer side of the wear-resistant layer, so that flowing liquid is not easy to flow, turbulence is generated under the action of burrs on the inner wall and the outer wall of the shell of the bidirectional regulating valve, the sealing piston and the bidirectional energy storage ring, the hydraulic pressure of the liquid is not easy to increase, the working load of the energy accumulator is not easy to increase, and the normal service life of the regulating valve is not easy to influence.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) this scheme can reduce the influence of the pressure that produces in the pipeline when the governing valve carries out quick adjustment to the governing valve through two-way energy storage ware, because two-way energy storage ware whole possess the overall arrangement of complete symmetry, so two-way energy storage ware can evenly bear the load, make the wearing and tearing of two-way energy storage ware roughly the same, be difficult for causing the excessive loss of certain two-way energy storage ware and shorten the working life of governing valve because of the problem of two-way energy storage ware overall arrangement, simultaneously through the cooperation work of two-way energy storage ware, reduce the impact of hydraulic pressure to the governing valve, furthest's reduction erodees the loss at high-pressure fluid to governing valve inner wall and energy storage ware, reduce the work loss of governing valve and energy storage ware normal during operation by a wide margin, the life of extension governing valve and energy storage.
(2) Two-way energy storage ware includes the energy storage ware shell, two pipe orifices department of energy storage ware shell is connected with the energy storage ware lid, a pair of energy storage ware cover assorted with the energy storage ware has been placed in the cavity, the one end that the energy storage ware cover was kept away from to two energy storage ware cover covers all is connected with the arc post, be connected with the arc telescopic link between two arc posts, energy storage ware shell in-connection have with the spacing lantern ring of arc post assorted, all be connected with energy storage compression spring between two energy storage ware cover covers and the spacing lantern ring, and energy storage compression spring cup joints the outside at energy storage ware cover and arc post, two-way energy storage ware can make liquid from the homoenergetic performance energy storage effect in the two-way governing valve shell of.
(3) And a sealing rubber pad is connected between the limiting sliding block and the sliding groove bottom plate, and the sealing rubber pad is fixedly connected with the limiting sliding block, so that liquid is not easy to seep out from the sliding groove bottom plate and the limiting sliding block after flowing into the bidirectional energy accumulator, and the sealing performance of the regulating valve is not easy to influence.
(4) Be connected with sealed bearing between spacing slider and the spacing semi-ring, and sealed bearing and spacing slider fixed connection do not influence under the gliding prerequisite of spacing slider on spacing semi-ring, sealed bearing can increase the leakproofness between spacing semi-ring and the spacing slider, is difficult for influencing the leakproofness of governing valve.
(5) The inner walls of the inlet A and the inlet B are provided with internal thread, so that the shell of the bidirectional regulating valve can be conveniently connected and detached with the outer pipe.
(6) The buffer compression springs and the energy storage compression springs are in a compression state in the standby and normal working processes, so that the buffer compression springs and the energy storage compression springs are not easy to change into a stretching state under the action of liquid hydraulic pressure in the working state, the buffer compression springs and the energy storage compression springs are not easy to damage, and meanwhile, the pre-pressure is applied to the buffer compression springs and the energy storage compression springs to increase the energy storage capacity of the buffer compression springs and the energy storage compression springs, so that the bidirectional energy accumulator can bear larger hydraulic pressure.
(7) The shell of the bidirectional regulating valve, the inner wall and the outer wall of the energy accumulator and all parts are coated with corrosion-resistant layers, so that the inner wall and the outer wall of the regulating valve and the energy accumulator and all parts are not easy to be damaged by corrosion.
(8) Two main water flow holes are symmetrical about the center of the axis of the sealing piston, and two cavities are symmetrical about the center of the axis of the sealing piston, so that the distribution of the main water flow holes and the cavities is not easy to influence the flow direction of liquid in the regulating valve, the two cavities can uniformly store energy, one cavity is not easy to damage in advance due to different liquid flows, and the normal service life of the regulating valve is not easy to influence.
(9) The positions of the inner wall and the outer wall of the bidirectional regulating valve shell, the sealing piston and the bidirectional energy storage ring, through which liquid passes, are all provided with wear-resistant layers, so that the inner wall and the outer wall of the bidirectional regulating valve shell, the sealing piston and the bidirectional energy storage ring are not easily damaged by liquid scouring, and the normal service life of the regulating valve is not easily influenced.
(10) The polishing layer is laid on the outer side of the wear-resistant layer, so that flowing liquid is not easy to flow, turbulence is generated under the action of burrs on the inner wall and the outer wall of the shell of the bidirectional regulating valve, the sealing piston and the bidirectional energy storage ring, the hydraulic pressure of the liquid is not easy to increase, the working load of the energy accumulator is not easy to increase, and the normal service life of the regulating valve is not easy to influence.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a front cross-sectional view of the piston of the present invention as it closes;
FIG. 3 is a top cross-sectional view of the bi-directional accumulator ring of the present invention in standby;
FIG. 4 is a schematic view of the structure at A in FIG. 3;
FIG. 5 is a top cross-sectional view of the bi-directional energy storage ring of the present invention in operation;
fig. 6 is a schematic structural diagram at B in fig. 5.
The reference numbers in the figures illustrate:
the device comprises a bidirectional regulating valve shell 1, an inlet A2, an inlet B3, a piston channel 4, a sealing piston 5, a torsion bar 6, a rotary table 7, a bidirectional energy storage ring 8, a main water flow hole 9, a sealing block 10, a cavity 11, an auxiliary water flow hole 12, a sliding groove 13, a limiting half ring 14, a buffering compression spring 15, a limiting sliding block 16, an energy accumulator shell 17, an energy accumulator cover 18, an energy accumulator cover 19, an arc-shaped column 20, an arc-shaped telescopic rod 21, a limiting lantern ring 22 and an energy storage compression spring 23.
Detailed Description
The drawings in the embodiments of the invention will be combined; the technical scheme in the embodiment of the invention is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the invention; but not all embodiments, are based on the embodiments of the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all fall within the scope of protection of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
referring to fig. 1-2, an energy storage type bidirectional pressure regulating valve includes a bidirectional regulating valve housing 1, an inlet a2, an inlet B3 and a piston passage 4 are drilled on the bidirectional regulating valve housing 1, the interior of the bidirectional regulating valve housing 1 is communicated with the outside through an inlet a2, an inlet B3 and the piston passage 4, the inlet a2 is matched with the inlet B3, a sealing piston 5 matched with itself is placed in the piston passage 4, the upper end of the sealing piston 5 is connected with a torsion bar 6, one end of the torsion bar 6 far away from the sealing piston 5 penetrates through the piston passage 4 and extends to the outside of the bidirectional regulating valve housing 1, one end of the torsion bar 6 far away from the sealing piston 5 is connected with a turntable 7, the turntable 7 facilitates a worker to regulate the sealing piston 5, a bidirectional energy storage ring 8 is connected in the bidirectional regulating valve housing 1, the bidirectional energy storage ring 8 is sleeved on the outside of the sealing piston 5, the, reducing the impact of liquid pressure on the regulating valve when the regulating valve is regulated, so that the regulating valve is not easy to damage, please refer to fig. 4-6, a pair of sealing blocks 10 is connected between the sealing piston 5 and the bidirectional energy storage ring 8, the sealing blocks 10 make the liquid not easy to seep out from the gap between the sealing piston 5 and the bidirectional energy storage ring 8, and the sealing performance of the regulating valve is not easy to be affected, a pair of main water flow holes 9 respectively matched with an inlet a2 and an inlet B3 are drilled on the bidirectional energy storage ring 8, the main water flow holes 9 are liquid flow channels, a pair of cavities 11 are drilled in the bidirectional energy storage ring 8, the cavities 11 are used for sliding of the bidirectional energy accumulator, a pair of auxiliary water flow holes 12 are drilled on the side wall of the cavities 11, the cavities 11 are communicated with the outside through two auxiliary water flow holes 12, the auxiliary water flow holes 12 are liquid flow channels, the two auxiliary water flow holes 12 are respectively located on both sides, the limiting half rings 14 are connected between the side walls of the sliding groove 13, the limiting half rings 14 can enable the limiting sliding blocks 16 to slide in the sliding groove 13, so that the limiting sliding blocks 16 are not easy to slide out of the sliding groove 13, meanwhile, the limiting half rings 14 can also protect the buffer compression springs 15, so that the buffer compression springs 15 are not easy to deform in a non-working direction, so that the buffer compression springs 15 are not easy to damage, the limiting half rings 14 are sleeved with the limiting sliding blocks 16 matched with the sliding groove 13, the buffer compression springs 15 are connected between the limiting sliding blocks 16 and the two side walls of the sliding groove 13, the two buffer compression springs 15 are sleeved on the sliding groove 13, the two-way energy accumulator is placed in the cavity 11 and fixedly connected with the two limiting sliding blocks 16, through compression and recovery of the two pairs of buffer compression springs 15, first wave buffering can be performed on hydraulic pressure, impact on the regulating valve by the hydraulic pressure is reduced, internal thread is chiseled on, the shell 1 of the bidirectional regulating valve is convenient to connect and detach with the outer pipe.
Referring to fig. 4-6, the bidirectional energy accumulator includes an energy accumulator housing 17, two pipe orifices of the energy accumulator housing 17 are connected with energy accumulator covers 18, a pair of energy accumulator cover sleeves 19 matched with the energy accumulator covers 18 are placed in the cavity 11, one ends of the two energy accumulator cover sleeves 19 far away from the energy accumulator covers 18 are both connected with arc-shaped columns 20, an arc-shaped telescopic rod 21 is connected between the two arc-shaped columns 20, a limit collar 22 matched with the arc-shaped columns 20 is connected in the energy accumulator housing 17, energy-accumulating compression springs 23 are connected between the two energy accumulator cover sleeves 19 and the limit collar 22, the energy-accumulating compression springs 23 are sleeved outside the energy accumulator cover sleeves 19 and the arc-shaped columns 20, the bidirectional energy accumulator can enable liquid to flow into the bidirectional regulating valve housing 1 from an inlet a2 or an inlet B3 to exert energy-accumulating effect, and a sealing rubber pad is connected between the limit slider 16 and a, and the sealing rubber pad is fixedly connected with the limiting slide block 16, so that after the liquid flows into the bidirectional energy accumulator, the liquid is not easy to seep out from the groove bottom plate of the sliding groove 13 and the limiting slide block 16, the sealing performance of the regulating valve is not easy to be influenced, the sealing bearing is connected between the limiting slide block 16 and the limiting half ring 14 and is fixedly connected with the limiting slide block 16, on the premise that the sliding of the limiting slide block 16 on the limiting half ring 14 is not influenced, the sealing bearing can increase the sealing performance between the limiting half ring 14 and the limiting slide block 16 and is not easy to influence the sealing performance of the regulating valve,
the plurality of buffer compression springs 15 and the energy storage compression springs 23 are in a compression state in the processes of standby and normal work, so that the buffer compression springs 15 and the energy storage compression springs 23 are not easy to change into a tension state under the action of liquid hydraulic pressure in the working state, the buffer compression springs 15 and the energy storage compression springs 23 are not easy to damage, meanwhile, the energy storage capacity of the buffer compression springs 15 and the energy storage compression springs 23 is increased by applying pre-pressure to the buffer compression springs 15 and the energy storage compression springs 23, so that the bidirectional energy accumulator can bear larger hydraulic pressure, the shell 1 of the bidirectional regulating valve, the inner wall and the outer wall of the energy accumulator and all parts are coated with corrosion-resistant layers, so that the inner wall and the outer wall of the regulating valve and each part of the energy accumulator are not easy to damage due to corrosion, the two main water flow holes 9 are symmetrical with respect to the center of the axis of the sealing piston 5, and the two cavities, make the overall arrangement of main water flow hole 9 and cavity 11 be difficult for influencing the flow direction of liquid in the governing valve, make two cavities 11 can the even energy storage, be difficult for causing a cavity 11 to damage in advance because of the liquid flow is different, two-way governing valve shell 1, the inside and outside wall of sealing piston 5 and two-way energy storage ring 8 has the place that liquid passes through all to be equipped with the wearing layer, make two-way governing valve shell 1, the inside and outside wall of sealing piston 5 and two-way energy storage ring 8 is difficult for being damaged by liquid washout, the polishing layer has been laid to the outside of wearing layer, make the liquid that flows be difficult for flowing take place the turbulent flow under the effect of the inside and outside wall burr of two-way governing valve shell 1, sealing piston 5 and two-way energy storage ring 8, be difficult for making the hydraulic pressure increase of liquid.
The influence of pressure that produces in the pipeline when can realizing reducing the governing valve through two-way energy storage ware and carrying out quick adjustment to the governing valve, and through the rational design to the energy storage ware position, furthest's reduction is at high-pressure fluid to the governing valve inner wall and the energy storage ware scour loss, reduces the work loss of governing valve and energy storage ware normal during operation by a wide margin, prolongs the life of governing valve and energy storage ware, reduces staff's routine maintenance work.
When the liquid in the regulating valve flows from the inlet A2 to the inlet B3, and the regulating valve is closed by the operator, referring to FIGS. 5-6, the liquid enters from the main water flow hole 9 on the left side, passes through the two auxiliary water flow holes 12 on the left side and enters the two cavities 11 respectively, under the action of hydraulic pressure, the whole bidirectional energy accumulator slides rightwards, the hydraulic pressure is stored for the first time through the compression and the recovery of the two buffering compression springs 15, the liquid flowing into the cavity 11 flows into the energy accumulator shell 17 through the energy accumulator cover 18 to push the energy accumulator cover sleeve 19 rightwards, the energy storage cover sleeve 19 compresses the energy storage compression spring 23, at the moment, under the action of the energy storage compression spring 23 positioned on the left side, the bidirectional energy storage device performs secondary energy storage, the impact of hydraulic pressure on the adjusting valve is reduced when the adjusting valve is adjusted, by the time the valve is filled with fluid from inlet a2 to inlet B3, the operation of the various components within the valve is reversed.
Because the whole overall arrangement that possess the complete symmetry of two-way energy storage ware, so two-way energy storage ware can evenly bear the load, make two-way energy storage ware's wearing and tearing roughly the same, be difficult for causing the work life of certain two-way energy storage ware excessive loss and shortening the governing valve because of the problem of two-way energy storage ware overall arrangement, simultaneously through the cooperation work of two-way energy storage ware, reduce the impact of hydraulic pressure to the governing valve, reduce the work loss of governing valve and energy storage ware normal operating by a wide margin, the life of extension governing valve and energy storage ware, reduce staff's routine maintenance work.
The above; but are merely preferred embodiments of the invention; the scope of the invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; the technical scheme and the improved concept of the invention are equally replaced or changed; are intended to be covered by the scope of the present invention.
Claims (10)
1. The utility model provides a two-way pressure regulating valve of energy storage formula, includes two-way control valve shell (1), it has entry A (2), entry B (3) and piston way (4) to cut on two-way control valve shell (1), inside entry A (2), entry B (3) and piston way (4) of passing through of two-way control valve shell (1) are linked together with the external world, and entry A (2) and entry B (3) phase-match, place in piston way (4) with self assorted sealing piston (5), the upper end of sealing piston (5) is connected with torsion bar (6), the one end that sealing piston (5) were kept away from in torsion bar (6) runs through piston way (4) and extends to the outside of two-way control valve shell (1), the one end that sealing piston (5) were kept away from in torsion bar (6) is connected with carousel (7), its characterized in that: the bidirectional regulating valve is characterized in that a bidirectional energy storage ring (8) is connected in the bidirectional regulating valve shell (1), the bidirectional energy storage ring (8) is sleeved on the outer side of the sealing piston (5), a pair of sealing blocks (10) is connected between the sealing piston (5) and the bidirectional energy storage ring (8), a pair of main water flow holes (9) which are respectively matched with the inlet A (2) and the inlet B (3) are drilled on the bidirectional energy storage ring (8), a pair of cavities (11) are drilled in the bidirectional energy storage ring (8), a pair of auxiliary water flow holes (12) are drilled on the side wall of each cavity (11), each cavity (11) is communicated with the outside through the two auxiliary water flow holes (12), the two auxiliary water flow holes (12) are respectively positioned on two sides of each sealing block (10), a pair of sliding grooves (13) are drilled on the inner wall of each cavity (11), and a limit half ring (14) is connected between the side walls of each sliding groove (13, the limiting half ring (14) is sleeved with a limiting sliding block (16) matched with the sliding groove (13), buffer compression springs (15) are connected between the limiting sliding block (16) and two side walls of the sliding groove (13), the buffer compression springs (15) are sleeved on the sliding groove (13), a bidirectional energy accumulator is placed in the cavity (11), and the bidirectional energy accumulator is fixedly connected with the two limiting sliding blocks (16).
2. The accumulating bi-directional pressure regulating valve of claim 1, wherein: two-way energy storage ware includes energy storage ware shell (17), two pipe orifices departments of energy storage ware shell (17) are connected with energy storage ware lid (18), place in cavity (11) a pair ofly and energy storage ware lid cover (19) assorted, two the one end that energy storage ware lid (18) were kept away from in energy storage ware lid cover (19) all is connected with arc post (20), two be connected with arc telescopic link (21) between arc post (20), energy storage ware shell (17) in-connection have with arc post (20) assorted stop collar (22), two all be connected with energy storage compression spring (23) between energy storage ware lid cover (19) and the stop collar (22), and energy storage compression spring (23) cup joint in the outside of energy storage ware lid cover (19) and arc post (20).
3. The accumulating bi-directional pressure regulating valve of claim 1, wherein: and a sealing rubber pad is connected between the limiting sliding block (16) and the bottom plate of the sliding groove (13), and the sealing rubber pad is fixedly connected with the limiting sliding block (16).
4. The accumulating bi-directional pressure regulating valve of claim 1, wherein: and a sealing bearing is connected between the limiting sliding block (16) and the limiting half ring (14), and the sealing bearing is fixedly connected with the limiting sliding block (16).
5. The accumulating bi-directional pressure regulating valve of claim 1, wherein: the inner walls of the inlet A (2) and the inlet B (3) are both provided with internal thread.
6. An accumulating bi-directional pressure regulating valve as defined in claim 2, wherein: the buffer compression springs (15) and the energy storage compression springs (23) are in a compression state in the processes of standby and normal operation.
7. The accumulating bi-directional pressure regulating valve of claim 1, wherein: the shell (1) of the bidirectional regulating valve, the inner wall and the outer wall of the energy accumulator and all parts are coated with corrosion-resistant layers.
8. The accumulating bi-directional pressure regulating valve of claim 1, wherein: the two main water flow holes (9) are symmetrical about the center of the axis of the sealing piston (5), and the two cavities (11) are symmetrical about the center of the axis of the sealing piston (5).
9. The accumulating bi-directional pressure regulating valve of claim 1, wherein: and wear-resistant layers are arranged at positions where liquid passes through the inner wall and the outer wall of the bidirectional regulating valve shell (1), the sealing piston (5) and the bidirectional energy storage ring (8).
10. The accumulating bi-directional pressure regulating valve of claim 9, wherein: and a polishing layer is laid on the outer side of the wear-resistant layer.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011280072.8A CN112524111B (en) | 2019-08-05 | 2019-08-05 | Energy storage type bidirectional pressure regulating valve |
| CN201910715979.3A CN110397636B (en) | 2019-08-05 | 2019-08-05 | Energy storage type bidirectional pressure regulating valve |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910715979.3A CN110397636B (en) | 2019-08-05 | 2019-08-05 | Energy storage type bidirectional pressure regulating valve |
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| CN202011280072.8A Division CN112524111B (en) | 2019-08-05 | 2019-08-05 | Energy storage type bidirectional pressure regulating valve |
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| CN110397636A CN110397636A (en) | 2019-11-01 |
| CN110397636B true CN110397636B (en) | 2021-02-05 |
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| CN201910715979.3A Active CN110397636B (en) | 2019-08-05 | 2019-08-05 | Energy storage type bidirectional pressure regulating valve |
| CN202011280072.8A Active CN112524111B (en) | 2019-08-05 | 2019-08-05 | Energy storage type bidirectional pressure regulating valve |
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| CN202011280072.8A Active CN112524111B (en) | 2019-08-05 | 2019-08-05 | Energy storage type bidirectional pressure regulating valve |
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| CN118167711B (en) * | 2024-04-22 | 2024-08-06 | 广州市型腔模具制造有限公司 | But large-scale hydro-cylinder structure of fast action |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| FR2481480A1 (en) * | 1980-04-23 | 1981-10-30 | Legris | IMPROVEMENT TO DEVICES CONTROLLING THE FLOW RATE AND PRESSURE OF GASEOUS FLUIDS |
| EP0928730B1 (en) * | 1996-09-26 | 2004-02-18 | Toyota Jidosha Kabushiki Kaisha | Braking device |
| CN2469230Y (en) * | 2001-03-01 | 2002-01-02 | 煤炭科学研究总院唐山分院 | Storage energy and hydraulic lock for electric controlled hydraulic actuator |
| CN201152297Y (en) * | 2007-12-28 | 2008-11-19 | 天津工程机械研究院 | Engineering machinery speed-changer electrohydraulic gear shifting control valve |
| CN201202861Y (en) * | 2008-05-30 | 2009-03-04 | 宁波华成阀门有限公司 | Deep well water pump control valve |
| CN201891886U (en) * | 2010-12-02 | 2011-07-06 | 福建高中压阀门科技有限公司 | Self-operated exhaust balance valve |
| KR101862868B1 (en) * | 2011-10-14 | 2018-07-06 | 에스케이이노베이션 주식회사 | Stepless capacity control system of reciprocating compressor by hydraulic operated variable clearance pocket |
| CN102788150B (en) * | 2012-07-28 | 2015-07-08 | 四川大学 | Novel hydraulic gear-shifting pressure regulating valve |
| CN203082231U (en) * | 2013-01-29 | 2013-07-24 | 海南川沪节水科技有限公司 | Automatic flow-stabilizing bypass valve for agricultural irrigation |
| WO2015123510A1 (en) * | 2014-02-12 | 2015-08-20 | Brown Owen J | Accumulator circuit for towed implements |
| CN207349192U (en) * | 2017-10-13 | 2018-05-11 | 上海立峰汽车传动件股份有限公司 | A kind of novel pressure regulating valve |
| CN208687000U (en) * | 2018-08-07 | 2019-04-02 | 凯艾斯阀门(杭州)有限公司 | A kind of two way seal floating hard seal ball valve spring is against pressure and structure |
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| CN112524111A (en) | 2021-03-19 |
| CN110397636A (en) | 2019-11-01 |
| CN112524111B (en) | 2022-11-11 |
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Denomination of invention: An energy storage two-way pressure regulating valve Effective date of registration: 20221211 Granted publication date: 20210205 Pledgee: Bank of China Limited by Share Ltd. Xinchang branch Pledgor: ZHEJIANG LIYONGDA REFRIGERATION MACHINERY CO.,LTD. Registration number: Y2022330003636 |