CN114439799A - Hydraulic valve block oil inlet flow adjusting device based on inland hydropower station - Google Patents
Hydraulic valve block oil inlet flow adjusting device based on inland hydropower station Download PDFInfo
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- CN114439799A CN114439799A CN202111572029.3A CN202111572029A CN114439799A CN 114439799 A CN114439799 A CN 114439799A CN 202111572029 A CN202111572029 A CN 202111572029A CN 114439799 A CN114439799 A CN 114439799A
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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
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/20—Excess-flow valves
- F16K17/22—Excess-flow valves actuated by the difference of pressure between two places in the flow line
- F16K17/24—Excess-flow valves actuated by the difference of pressure between two places in the flow line acting directly on the cutting-off member
- F16K17/28—Excess-flow valves actuated by the difference of pressure between two places in the flow line acting directly on the cutting-off member operating in one direction only
- F16K17/30—Excess-flow valves actuated by the difference of pressure between two places in the flow line acting directly on the cutting-off member operating in one direction only spring-loaded
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L3/00—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
- F16L3/08—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing
- F16L3/10—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing divided, i.e. with two or more members engaging the pipe, cable or protective tubing
- F16L3/1091—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing divided, i.e. with two or more members engaging the pipe, cable or protective tubing with two members, the two members being fixed to each other with fastening members on each side
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L41/00—Branching pipes; Joining pipes to walls
- F16L41/08—Joining pipes to walls or pipes, the joined pipe axis being perpendicular to the plane of the wall or to the axis of another pipe
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L41/00—Branching pipes; Joining pipes to walls
- F16L41/08—Joining pipes to walls or pipes, the joined pipe axis being perpendicular to the plane of the wall or to the axis of another pipe
- F16L41/086—Joining pipes to walls or pipes, the joined pipe axis being perpendicular to the plane of the wall or to the axis of another pipe fixed with screws
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D1/00—Pipe-line systems
- F17D1/08—Pipe-line systems for liquids or viscous products
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D3/00—Arrangements for supervising or controlling working operations
- F17D3/01—Arrangements for supervising or controlling working operations for controlling, signalling, or supervising the conveyance of a product
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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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Safety Valves (AREA)
Abstract
The invention discloses a hydraulic valve block oil inlet flow regulating device based on an inland hydropower station, and particularly relates to the technical field of hydraulic valve blocks, which comprises a hydraulic valve block body, wherein the top end of the hydraulic valve block body is provided with an oil inlet notch, a longitudinal pipe is fixedly clamped in the oil inlet notch, the side end of the hydraulic valve block body is provided with a flow regulating component, one side of the flow regulating component, which is far away from the hydraulic valve block body, is integrally formed with a connecting pipe, the top end of the connecting pipe is fixedly provided with an L-shaped pipe through a flange, the top end of the longitudinal pipe is fixedly provided with a T-shaped three-way pipe through a flange, and a control valve is arranged between the L-shaped pipe and the T-shaped three-way pipe. Thereby improving the use effect of the hydraulic valve block of the inland hydropower station.
Description
Technical Field
The invention relates to the technical field of hydraulic valve blocks, in particular to a flow regulating device for an oil inlet of a hydraulic valve block based on an inland hydropower station.
Background
The hydraulic valve is an automatic element operated by pressure oil, is controlled by the pressure oil of a distribution valve, is usually combined with an electromagnetic distribution valve for use, and can be used for remotely controlling the connection and disconnection of oil, gas and water pipeline systems of hydropower stations. The core component of the hydraulic valve is a hydraulic valve block which plays an important role in controlling the direction, pressure and flow of liquid flow in the hydraulic valve;
the use of the hydraulic valve block can simplify the design and installation of a hydraulic system, facilitate the integration and standardization of the hydraulic system, and is beneficial to reducing the manufacturing cost and improving the precision and reliability;
in the in-process that the hydraulic valve piece used, need use flow control device to carry out flow control to the oil inlet of hydraulic valve piece, however current hydraulic valve piece oil inlet flow control device, the majority uses the choke valve, the structure is more complicated, and be unfavorable for installing on hydraulic valve piece and arrange, secondly, the flow control effect is general, follow-up needs dismantle to adjusting device when overhauing, also more troublesome, for this reason, we propose hydraulic valve piece oil inlet flow control device based on inland hydropower station and be used for solving above-mentioned problem.
Disclosure of Invention
The invention aims to provide a hydraulic valve block oil inlet flow regulating device based on an inland hydropower station, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a hydraulic valve block oil inlet flow adjusting device based on an inland hydropower station comprises a hydraulic valve block body, wherein an oil inlet notch is formed in the top end of the hydraulic valve block body, a longitudinal pipe is arranged in the oil inlet notch in a fixing clamp mode, a flow adjusting assembly is arranged at the side end of the hydraulic valve block body, a connecting pipe is integrally formed on one side, away from the hydraulic valve block body, of the flow adjusting assembly, an L-shaped pipe is fixedly arranged at the top end of the connecting pipe through a flange, a T-shaped three-way pipe is fixedly arranged at the top end of the longitudinal pipe through a flange, a control valve is arranged between the L-shaped pipe and the T-shaped three-way pipe, and an oil inlet pipe is arranged at one end, away from the control valve, of the T-shaped three-way pipe through a fixing clamp.
As a preferred technical scheme of the invention, the flow regulating assembly comprises a transverse pipe, one end of the transverse pipe is provided with a sealing cover in a threaded clamping manner, an adjusting shaft rod is movably clamped in the transverse pipe, one side of the adjusting shaft rod, which is close to the sealing cover, is fixedly sleeved with a push plug, the push plug is movably clamped on one side of the transverse pipe, which is close to the sealing cover, one side of the adjusting shaft rod, which is far away from the push plug, is fixedly sleeved with a flow control plug, one side of the adjusting shaft rod, which is close to the flow control plug, is fixedly sleeved with a sealing plug, the sealing plug is movably clamped on one side of the transverse pipe, which is far away from the sealing cover, the middle side of the outer wall of the adjusting shaft rod is provided with a limiting groove, the inner wall of one side of the limiting groove, which is close to the push plug, is fixedly provided with a reset spring, the outer wall of one side of the transverse pipe, which is far away from the sealing cover, is provided with a semi-ring clamping groove, a semi-ring sealing frame is fixedly installed in the semi-ring clamping groove through a semi-ring screw, and the inner wall of the sealing frame is fixedly installed with a limiting semi-ring frame, the limiting semi-ring frame is movably clamped in the limiting groove.
As a preferable technical scheme of the invention, an oil discharge pipe is fixedly clamped in the middle of one side of the sealing cover, which is far away from the transverse pipe.
As a preferable technical scheme of the invention, one end of the return spring, which is far away from the pushing plug, is contacted with the limit semi-ring frame.
As a preferable technical scheme of the invention, the side end of the hydraulic valve block body is provided with a mounting groove corresponding to the flow regulating assembly, and the mounting groove is vertically communicated with the oil inlet notch.
As a preferred technical scheme of the invention, the flow regulating assembly is movably clamped in the mounting groove through a transverse pipe, one side of the transverse pipe close to the seal cover extends out of the mounting groove and is fixedly sleeved with a mounting snap ring, one side of the mounting groove far away from the oil inlet notch is provided with a spring groove, a tension spring is fixedly mounted in the spring groove and is movably sleeved outside the transverse pipe, one side of the spring groove far away from the mounting groove is provided with a sealing groove corresponding to the mounting snap ring, a sealing washer is fixedly clamped in the sealing groove, and the mounting snap ring is movably clamped in the sealing groove and is in close contact with the sealing washer.
As a preferable technical scheme of the invention, one end of the mounting snap ring far away from the cover is tightly contacted with the end part of the tension spring.
As a preferable technical scheme of the invention, one side of the mounting snap ring, which is close to the sealing cover, is fixedly sleeved with a mounting plate, and the mounting plate is fixedly mounted at the side end of the hydraulic valve block body through a screw.
As a preferable technical scheme of the invention, the connecting pipe is fixedly connected to one side of the transverse pipe close to the sealing cover, and the connecting pipe is positioned between the mounting snap ring and the sealing cover.
As a preferable technical scheme of the invention, the bottom of the longitudinal pipe is provided with a transverse groove matched with the flow control plug for use, one side of the flow control plug, which is far away from the adjusting shaft rod, extends out of one side of the transverse pipe, which is far away from the sealing cover, one side of the flow control plug, which is far away from the adjusting shaft rod, penetrates through the transverse groove and extends into the longitudinal pipe, and the flow control plug is in close contact with the inner wall of the longitudinal pipe.
Compared with the prior art, the invention has the beneficial effects that:
1. the flow regulating assembly is arranged to be matched with the control valve, so that the horizontal position of the control flow plug in the longitudinal pipe is flexibly regulated, and the circulation space of an oil body in the longitudinal pipe is changed, so that the flow of an oil inlet of the hydraulic valve block is regulated, and the using effect of the hydraulic valve block of the inland hydropower station is improved;
2. when the control valve is controlled and opened, part of oil entering the T-shaped three-way pipe enters the subsequent flow regulating assembly through the control valve, the L-shaped pipe and the connecting pipe to change the oil pressure in the flow regulating assembly for flow regulation, and the flow of the oil entering the longitudinal pipe is reduced to a certain extent, so that the flow of the oil entering the oil inlet notch is reduced to a certain extent, the flow of an oil inlet of the hydraulic valve block is effectively regulated, and the use effect of the hydraulic valve block of the inland hydropower station is improved;
3. the end part of the flow regulating assembly is hermetically connected with the hydraulic valve block body by arranging the mounting clamping ring and the sealing washer, so that oil bodies are prevented from leaking through the joint of the flow regulating assembly and the hydraulic valve block body, and the using effect of the whole device is improved;
4. through setting up tension spring, conveniently carrying out the dismantlement of flow control assembly and overhauing the change, and through dismantling semi-ring seal frame, make spacing semi-ring frame break away from violently the pipe, at this moment, just make things convenient for the screw to dismantle the closing cap, dismantle the maintenance to the part among the flow control assembly.
Drawings
FIG. 1 is a schematic structural view of the present invention,
figure 2 is a schematic view of the structural connection of the present invention,
figure 3 is a schematic view of the structural connection of the flow regulating assembly of the present invention,
figure 4 is an enlarged view of the invention at a in figure 3,
figure 5 is a schematic view of the structure on the adjusting shaft of the present invention,
FIG. 6 is a schematic view of the structural connection between the hydraulic valve block body and the flow regulating assembly of the present invention,
figure 7 is an enlarged view of the invention at B in figure 6,
fig. 8 is an enlarged view of the invention at C in fig. 6.
In the figure: 1. a hydraulic valve block body; 2. an oil inlet notch; 3. a longitudinal tube; 4. a flow regulating assembly; 5. a connecting pipe; 6. an L-shaped pipe; 7. a T-shaped three-way pipe; 8. a control valve; 9. an oil inlet pipe; 11. a sealing gasket; 101. mounting grooves; 102. a spring slot; 103. a sealing groove; 301. a transverse groove; 41. a transverse tube; 411. a semi-ring clamping groove; 42. sealing the cover; 421. an oil discharge pipe; 43. adjusting the shaft lever; 431. a limiting groove; 432. a return spring; 44. pushing the plug; 45. controlling a flow plug; 46. a sealing plug; 47. semi-ring sealing frame; 48. a limiting semi-ring frame; 49. installing a snap ring; 491. mounting a plate; 410. a tension spring.
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 embodiment is as follows: as shown in fig. 1-8, the invention provides a hydraulic valve block oil inlet flow regulating device based on an inland hydropower station, which comprises a hydraulic valve block body 1, wherein the top end of the hydraulic valve block body 1 is provided with an oil inlet notch 2, a longitudinal pipe 3 is fixedly clamped in the oil inlet notch 2, the side end of the hydraulic valve block body 1 is provided with a flow regulating component 4, one side of the flow regulating component 4 away from the hydraulic valve block body 1 is integrally formed with a connecting pipe 5, the top end of the connecting pipe 5 is fixedly provided with an L-shaped pipe 6 through a flange, the top end of the longitudinal pipe 3 is fixedly provided with a T-shaped three-way pipe 7 through a flange, a control valve 8 is arranged between the L-shaped pipe 6 and the T-shaped three-way pipe 7, one end of the T-shaped three-way pipe 7 away from the control valve 8 is fixedly clamped with an oil inlet pipe 9, wherein the end of the oil inlet pipe 9 and the output end of the oil transportation mechanism at the outer side are fixedly arranged, and the oil transportation mechanism at the side end is opened, the oil body enters the T-shaped three-way pipe 7 through the output end and the oil inlet pipe 9, and then enters the oil inlet notch 2 through the longitudinal pipe 3 for use; wherein, when control and open control valve 8, the oil body that gets into in the T type three-way pipe 7 is partly through control valve 8, L type pipe 6 and connecting pipe 5 get into change the oil pressure in the follow-up flow control subassembly 4 and carry out flow control and use in the flow control subassembly 4, and reduce the flow that gets into the well oil body of vertical pipe 3 to a certain extent, thereby reduce the oil body flow that gets into in oil feed notch 2 to a certain extent, and then effectively adjust the flow of hydraulic valve piece oil inlet, thereby the result of use of inland hydropower station hydraulic valve piece has been promoted.
The side end of the hydraulic valve block body 1 is provided with a mounting groove 101 corresponding to the flow regulating assembly 4, and the mounting groove 101 is vertically communicated with the oil inlet notch 2, so that the subsequent flow regulating assembly 4 can conveniently control and regulate the flow of oil body at the position of the oil inlet notch 2;
the flow regulating assembly 4 comprises a transverse pipe 41, and the flow regulating assembly 4 is movably clamped in the mounting groove 101 through the transverse pipe 41; one end of the horizontal pipe 41 extends out of the mounting groove 101 and is provided with the seal cover 42 in a threaded clamping manner, the seal cover 42 is convenient to screw and detach, and therefore subsequent detachment and maintenance of parts in the flow adjusting assembly 4 are facilitated, the using effect of the whole flow adjusting assembly 4 is improved, the adjusting shaft rod 43 is movably clamped in the horizontal pipe 41, the adjusting shaft rod 43 can horizontally move back and forth in the horizontal pipe 41, a pushing plug 44 is fixedly sleeved on one side, close to the seal cover 42, of the adjusting shaft rod 43, the pushing plug 44 is movably clamped on one side, close to the seal cover 42, of the horizontal pipe 41, the pushing plug 44 is pushed by increasing oil body hydraulic pressure to drive the adjusting shaft rod 43 to horizontally move in the horizontal pipe 41, and a flow control plug 45 is fixedly sleeved on one side, far away from the pushing plug 44, of the adjusting shaft rod 43;
the bottom of the longitudinal pipe 3 is provided with a transverse groove 301 matched with the flow control plug 45 for use, one side of the flow control plug 45, which is far away from the adjusting shaft rod 43, extends out of one side of the transverse pipe 41, which is far away from the sealing cover 42, one side of the flow control plug 45, which is far away from the adjusting shaft rod 43, penetrates through the transverse groove 301 and extends into the longitudinal pipe 3, the flow control plug 45 is in close contact with the inner wall of the longitudinal pipe 3, and the flow flowing space of oil bodies in the longitudinal pipe 3 is changed by changing the horizontal position of the flow control plug 45 in the longitudinal pipe 3, so that the flow of an oil inlet of the hydraulic valve block is adjusted, and the use effect of the hydraulic valve block of the inland hydropower station is further improved;
a sealing plug 46 is fixedly sleeved on one side of the adjusting shaft lever 43 close to the flow control plug 45, the sealing plug 46 is movably clamped on one side of the transverse pipe 41 far away from the sealing cover 42, oil body plugging can be carried out on one side of the transverse pipe 41 far away from the sealing cover 42 without affecting the horizontal movement of the adjusting shaft lever 43 by arranging the sealing plug 46, oil bodies in a subsequent oil inlet notch 2 are prevented from entering the transverse pipe 41 to cause oil body leakage, so that the using effect of the whole flow adjusting assembly 4 is improved, a limiting groove 431 is formed in the middle side of the outer wall of the adjusting shaft lever 43, a return spring 432 is fixedly installed on the inner wall of one side of the limiting groove 431 close to the pushing plug 44, a semi-ring clamping groove 411 is formed in the outer wall of one side of the transverse pipe 41 far away from the sealing cover 42, a semi-ring sealing frame 47 is fixedly installed in the semi-ring clamping groove 411 through screws, a limiting semi-ring frame 48 is fixedly installed on the inner wall of the semi-ring sealing frame 47, and the semi-ring sealing frame 47 can be conveniently disassembled, therefore, the limiting semi-ring frame 48 is detached, the limiting semi-ring frame 48 is movably clamped in the limiting groove 431, and the horizontal movement of the adjusting shaft rod 43 is limited by movably clamping the limiting semi-ring frame 48 in the limiting groove 431; one end of the return spring 432, which is far away from the push plug 44, is in contact with the limiting semi-ring frame 48 to limit the return spring 432, so that the return spring 432 is conveniently extruded when the oil body hydraulically pushes the push plug 44 to drive the adjusting shaft rod 43 to horizontally move in the transverse pipe 41.
The cover 42 is kept away from one side middle part fixing clip of violently managing 41 and is equipped with oil extraction pipe 421, and wherein, the one end and one of them input of oil transportation mechanism that the cover 42 was kept away from to oil extraction pipe 421 are connected, open oil transportation mechanism, can control the oil body that will get into in violently managing 41 and retrieve through oil extraction pipe 421 and inhale in the oil transportation mechanism to reduce the oil pressure in violently managing 41.
One side of the transverse pipe 41 close to the sealing cover 42 extends to form a mounting groove 101 and is fixedly sleeved with a mounting snap ring 49, one side of the mounting groove 101 far away from the oil inlet notch 2 is provided with a spring groove 102, a tension spring 410 is fixedly mounted in the spring groove 102, the tension spring 410 is movably sleeved on the outer side of the transverse pipe 41, one side of the spring groove 102 far away from the mounting groove 101 is provided with a sealing groove 103 corresponding to the mounting snap ring 49, a sealing washer 11 is fixedly clamped in the sealing groove 103, the mounting snap ring 49 is movably clamped in the sealing groove 103 and is tightly contacted with the sealing washer 11, the end part of the flow regulating assembly 4 is hermetically connected with the hydraulic valve block body 1, and therefore oil is prevented from leaking through the joint of the flow regulating assembly 4 and the hydraulic valve block body 1, and the use effect of the whole device is improved; the end of the mounting collar 49 remote from the cover 42 is in intimate contact with the end of the tension spring 410; the fixed cover in one side that installation snap ring 49 is close to closing cap 42 is equipped with mounting panel 491, and mounting panel 491 passes through screw fixed mounting at the side of hydraulic valve piece body 1, carries out the installation of whole flow control assembly 4 and hydraulic valve piece body 1 side, and fixed mounting back tension spring 410 is tight state, and after the follow-up mounting panel 491 of dismantling of being convenient for, tension spring 410 resets rapidly, and the bullet leaves hydraulic valve piece body 1 with whole flow control assembly 4 to the dismantlement of conveniently carrying out flow control assembly 4 is overhauld and is changed.
The connecting pipe 5 is fixedly connected to one side of the transverse pipe 41 close to the cover 42, and the connecting pipe 5 is positioned between the mounting snap ring 49 and the cover 42.
The working principle is as follows: when the hydraulic valve block is used, firstly, the flow regulating assembly 4, the L-shaped pipe 6, the T-shaped three-way pipe 7, the control valve 8 and the oil inlet pipe 9 are installed on the hydraulic valve block body 1, the flow regulating assembly 4 is movably clamped in the installation groove 101 through the transverse pipe 41, the installation clamping ring 49 is movably clamped in the sealing groove 103 and is tightly contacted with the sealing washer 11, the end part of the flow regulating assembly 4 is hermetically connected with the hydraulic valve block body 1, the tension spring 410 is extruded, and then the installation plate 491 is fixedly installed at the side end of the hydraulic valve block body 1 through screws; then, sequentially installing the L-shaped pipe 6, the T-shaped three-way pipe 7, the control valve 8 and the oil inlet pipe 9, fixedly installing the end part of the oil inlet pipe 9 and the output end of the oil transportation mechanism on the outer side, and connecting one end of the oil discharge pipe 421, which is far away from the sealing cover 42, with one input end of the oil transportation mechanism;
by opening the oil conveying mechanism at the side end, oil body enters the T-shaped three-way pipe 7 through the output end and the oil inlet pipe 9, and then enters the oil inlet notch 2 through the longitudinal pipe 3 for normal use;
when the flow of oil bodies in the oil inlet notch 2 needs to be reduced, the control valve 8 is controlled and opened, part of the oil bodies entering the T-shaped three-way pipe 7 enters the subsequent flow adjusting assembly 4 through the control valve 8, the L-shaped pipe 6 and the connecting pipe 5 to increase the oil pressure in the flow adjusting assembly 4 for flow adjustment, and the flow of the oil bodies entering the longitudinal pipe 3 is reduced to a certain extent, so that the flow of the oil bodies entering the oil inlet notch 2 is reduced to a certain extent, and the flow of an oil inlet of the hydraulic valve block is effectively adjusted;
wherein, the oil body entering the flow regulating assembly 4 enters one side of the transverse tube 41 close to the sealing cover 42, and the pushing plug 44 is pushed to drive the regulating shaft rod 43 to horizontally move in the transverse tube 41 to one side far from the sealing cover 42, at this time, the sealing plug 46 slides on the side of the cross tube 41 remote from the cover 42, and the return spring 432 is compressed, and the side of the flow control plug 45 away from the adjusting shaft lever 43 extends out of the side of the transverse pipe 41 away from the sealing cover 42, passes through the transverse groove 301 and extends into the longitudinal pipe 3, thereby reducing the circulation space of oil bodies in the longitudinal pipe 3, thereby effectively reducing the flow of the oil body in the oil inlet notch 2, further effectively regulating the flow of the oil inlet of the hydraulic valve block, effectively improving the flow regulation effect, the displacement of the adjusting shaft lever 43 and the displacement of the flow control plug 45 are flexibly changed by flexibly controlling the total amount of the oil body entering the flow adjusting assembly 4, so that the circulation space of the oil body in the longitudinal pipe 3 is flexibly reduced;
when the flow of the oil body in the oil inlet notch 2 needs to be increased subsequently, the control valve 8 is closed, the flow of the oil body entering the longitudinal pipe 3 is increased to a certain extent, the oil conveying mechanism is simultaneously opened, the oil body entering the transverse pipe 41 is controlled to be recovered and sucked into the oil conveying mechanism through the oil discharge pipe 421, so that the oil pressure in the transverse pipe 41 is reduced, at the moment, the reset spring 432 is slowly reset, the adjusting shaft lever 43 is driven to be slowly reset, the flow control plug 45 is driven to be reset, the flow space of the oil body in the longitudinal pipe 3 is further increased, and the flow of the oil body in the oil inlet notch 2 is effectively increased, wherein the oil pressure in the transverse pipe 41 is flexibly reduced by controlling the total amount of the oil body recovered and sucked into the oil conveying mechanism, so that the reset amounts of the reset spring 432, the adjusting shaft lever 43 and the flow control plug 45 are flexibly changed, and the flow space of the oil body in the longitudinal pipe 3 is further flexibly increased;
whole adjusting device structure is simple relatively, the accuse flows the effect ideal, and follow-up when needing to dismantle the maintenance to flow control assembly 4, dismantle mounting panel 491, tension spring 410 resets rapidly, bounce whole flow control assembly 4 from hydraulic valve piece body 1 to conveniently carry out the dismantlement of flow control assembly 4 and overhaul the change, and through dismantling semi-ring seal frame 47, make spacing semi-ring frame 48 break away from violently pipe 41, at this moment, just make things convenient for the spiral shell to dismantle closing cap 42, dismantle the maintenance to the part in the flow control assembly 4.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. Hydraulic valve piece oil inlet flow control device based on inland power station, including hydraulic valve piece body (1), its characterized in that: the hydraulic control valve block is characterized in that an oil inlet notch (2) is formed in the top end of the hydraulic valve block body (1), a longitudinal pipe (3) is arranged in the oil inlet notch (2) through a fixing clamp, a flow adjusting assembly (4) is arranged at the side end of the hydraulic valve block body (1), a connecting pipe (5) is integrally formed on one side, away from the hydraulic valve block body (1), of the flow adjusting assembly (4), an L-shaped pipe (6) is fixedly mounted on the top end of the connecting pipe (5) through a flange, a T-shaped three-way pipe (7) is fixedly mounted on the top end of the longitudinal pipe (3) through a flange, a control valve (8) is arranged between the L-shaped pipe (6) and the T-shaped three-way pipe (7), and an oil inlet pipe (9) is arranged on one end, away from the control valve (8), of the T-shaped three-way pipe (7) through a fixing clamp.
2. The inland hydropower station-based hydraulic valve block oil inlet flow regulating device as defined in claim 1, wherein: the flow regulating assembly (4) comprises a transverse pipe (41), a sealing cover (42) is clamped at one end of the transverse pipe (41) in a threaded manner, a regulating shaft rod (43) is movably clamped in the transverse pipe (41), a pushing plug (44) is fixedly sleeved on one side, close to the sealing cover (42), of the regulating shaft rod (43), the pushing plug (44) is movably clamped on one side, close to the sealing cover (42), of the transverse pipe (41), a flow control plug (45) is fixedly sleeved on one side, far away from the pushing plug (44), of the regulating shaft rod (43), a sealing plug (46) is fixedly sleeved on one side, close to the flow control plug (45), of the regulating shaft rod (43), the sealing plug (46) is movably clamped on one side, far away from the sealing cover (42), a limiting groove (431) is formed in the middle shaft rod of the outer wall of the regulating shaft rod (43), and a return spring (432) is fixedly installed on the inner wall, close to the pushing plug (44), of the limiting groove (431), the outer wall of one side, away from the sealing cover (42), of the transverse pipe (41) is provided with a semi-ring clamping groove (411), a semi-ring sealing frame (47) is fixedly installed in the semi-ring clamping groove (411) through screws, a limiting semi-ring frame (48) is fixedly installed on the inner wall of the semi-ring sealing frame (47), and the limiting semi-ring frame (48) is movably clamped in a limiting groove (431).
3. The inland hydropower station-based hydraulic valve block oil inlet flow regulating device as defined in claim 2, characterized in that: an oil discharge pipe (421) is fixedly clamped in the middle of one side of the sealing cover (42) far away from the transverse pipe (41).
4. The inland hydropower station-based hydraulic valve block oil inlet flow regulating device as defined in claim 2, characterized in that: one end of the return spring (432) far away from the push plug (44) is contacted with the limit semi-ring frame (48).
5. The hydraulic valve block oil inlet flow adjusting device based on the inland hydropower station as claimed in claim 2, characterized in that: the side of hydraulic valve piece body (1) is seted up mounting groove (101) that correspond with flow control assembly (4), mounting groove (101) and oil feed notch (2) communicate with each other perpendicularly.
6. The inland hydropower station-based hydraulic valve block oil inlet flow regulating device as defined in claim 5, wherein: flow control assembly (4) are through violently managing (41) activity joint in mounting groove (101), violently manage (41) and extend mounting groove (101) and fixed cover and be equipped with installation snap ring (49) near one side of closing cap (42), spring groove (102) have been seted up to one side that oil feed notch (2) were kept away from in mounting groove (101), fixed mounting has tension spring (410) in spring groove (102), tension spring (410) activity cup joints in the outside of violently managing (41), seal groove (103) that correspond with installation snap ring (49) are seted up to one side that mounting groove (101) were kept away from in spring groove (102), the fixing clip is equipped with seal ring (11) in seal groove (103), installation snap ring (49) activity joint is in seal groove (103) and with seal ring (11) in close contact.
7. The inland hydropower station-based hydraulic valve block oil inlet flow regulating device as defined in claim 6, wherein: one end of the mounting snap ring (49) far away from the cover (42) is tightly contacted with the end part of the tension spring (410).
8. The inland hydropower station-based hydraulic valve block oil inlet flow regulating device as defined in claim 6, wherein: the mounting clamp ring (49) is fixedly sleeved with a mounting plate (491) near one side of the sealing cover (42), and the mounting plate (491) is fixedly mounted at the side end of the hydraulic valve block body (1) through screws.
9. The inland hydropower station-based hydraulic valve block oil inlet flow regulating device as defined in claim 6, wherein: the connecting pipe (5) is fixedly connected to one side, close to the sealing cover (42), of the transverse pipe (41), and the connecting pipe (5) is located between the mounting clamping ring (49) and the sealing cover (42).
10. The inland hydropower station-based hydraulic valve block oil inlet flow regulating device as defined in claim 2, characterized in that: the bottom of the longitudinal pipe (3) is provided with a transverse groove (301) matched with the flow control plug (45) for use, one side, away from the adjusting shaft rod (43), of the flow control plug (45) extends out of one side, away from the sealing cover (42), of the transverse pipe (41), one side, away from the adjusting shaft rod (43), of the flow control plug (45) penetrates through the transverse groove (301) and extends into the longitudinal pipe (3), and the flow control plug (45) is in close contact with the inner wall of the longitudinal pipe (3).
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| CN202111572029.3A CN114439799B (en) | 2021-12-21 | 2021-12-21 | Hydraulic valve block oil inlet flow adjusting device based on inland hydropower station |
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| CN114439799B (en) | 2023-03-14 |
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