CN108518377B - A kind of automatic diverter valve for garbage compression station - Google Patents

A kind of automatic diverter valve for garbage compression station Download PDF

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Publication number
CN108518377B
CN108518377B CN201810480150.5A CN201810480150A CN108518377B CN 108518377 B CN108518377 B CN 108518377B CN 201810480150 A CN201810480150 A CN 201810480150A CN 108518377 B CN108518377 B CN 108518377B
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CN
China
Prior art keywords
hydraulic fluid
fluid port
flow hole
shoulder
valve
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Expired - Fee Related
Application number
CN201810480150.5A
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Chinese (zh)
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CN108518377A (en
Inventor
邵立坤
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Yuhuan Huazhou Machinery Co ltd
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Yuhuan Huazhou Machinery Co Ltd
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Priority to CN201810480150.5A priority Critical patent/CN108518377B/en
Publication of CN108518377A publication Critical patent/CN108518377A/en
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Publication of CN108518377B publication Critical patent/CN108518377B/en
Expired - Fee Related legal-status Critical Current
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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
    • F15B13/00Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/04Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
    • F15B13/0401Valve members; Fluid interconnections therefor
    • F15B13/0402Valve members; Fluid interconnections therefor for linearly sliding valves, e.g. spool valves
    • 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
    • F15B13/00Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/04Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
    • F15B13/0401Valve members; Fluid interconnections therefor
    • F15B2013/041Valve members; Fluid interconnections therefor with two positions

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid-Pressure Circuits (AREA)

Abstract

The invention discloses a kind of automatic diverter valves for garbage compression station, including the internal valve body for being equipped with P hydraulic fluid port, A hydraulic fluid port, B hydraulic fluid port, T hydraulic fluid port, the left and right ends of the valve body are equipped with end cap, main valve plug is slidably connected in the valve body, the inside of main valve plug is equipped with mounting hole, slidably connects pilot valve in the mounting hole;It is axially successively arranged first shoulder, the second shoulder, third shoulder from left to right along it on the side of main valve plug, forms the first master control chamber between first shoulder and end cap, forms the second master control chamber between third shoulder and end cap;The first first guide cavity is formed between the left end of main valve plug and the end cap, and the second first guide cavity is formed between the right end of main valve plug and the end cap;The overflow-valve device for controlling the pilot valve movement, and the push rod device for controlling the pilot valve initial position are additionally provided on end cap;The valve is not only simple in structure, and is not necessarily to electric control.

Description

A kind of automatic diverter valve for garbage compression station
Technical field
The present invention relates to hydraulic valve technology, specially a kind of automatic diverter valve for garbage compression station.
Background technique
With the large-scale application of heavy mechanical equipment, hydraulic-driven obtains extensively as a kind of critically important driving method Using hydraulic system and its relevant technologies also reach its maturity.In current hydraulicdirectional control valve, mostly use manually, automatically controlled, gas control, The extrinsic powers such as hydraulic control drive reversal valve to commutate, and there is extremely stringent requirement of explosion proof in certain fields, it is desirable that simplification as far as possible System is intervened without extraneous, and such as natural gas compressing substation, garbage compression station (has requirement of explosion proof), and objective requirement hydraulic system needs The intervention for wanting a kind of reversal valve to meet without personnel's short distance can voluntarily commutate but also meet the needs of explosion-proof.
Summary of the invention
(1) technical problems to be solved
It is an object of the invention to overcome the defect in the prior art, a kind of simple structure and convenient processing, Ke Yiyong are provided In the automatic diverter valve of garbage compression station.
(2) technical solution
To achieve the above object, the present invention provides a kind of automatic diverter valves for garbage compression station, including inside to set There is the valve body of P hydraulic fluid port, A hydraulic fluid port, B hydraulic fluid port, T hydraulic fluid port, the left and right ends of the valve body are equipped with end cap, and sliding connects in the valve body It is connected to the main valve plug for control port on-off, the inside of the main valve plug is axially arranged with perforative mounting hole, the peace along it Dress slidably connects pilot valve in hole;On the side of the main valve plug along its axially be successively arranged from left to right first shoulder, Second shoulder, third shoulder, form the first master control chamber between the first shoulder and the end cap, the third shoulder and described The second master control chamber is formed between end cap;The first first guide cavity, the main valve are formed between the left end of the main valve plug and the end cap The second first guide cavity is formed between the right end of core and the end cap;When the main valve plug is located at left position, the P hydraulic fluid port with it is described B hydraulic fluid port communicates, and the A hydraulic fluid port is communicated with the T hydraulic fluid port;When the main valve plug is located at location right, the P hydraulic fluid port and the A Hydraulic fluid port communicates, and the B hydraulic fluid port is communicated with the T hydraulic fluid port;The side of the first shoulder is equipped with for being connected to the mounting hole With the first through flow hole of the T hydraulic fluid port;The side of the third shoulder is equipped with for being connected to the mounting hole and the T hydraulic fluid port The second through flow hole;The side of second shoulder is equipped with through-flow for being connected to the third of the mounting hole and the P hydraulic fluid port Hole;The 4th through flow hole for being connected to the first master control chamber and the mounting hole is equipped in the main valve plug, and for connecting Lead to the 5th through flow hole of the second master control chamber and the mounting hole;When the pilot valve is located at left position, the third Through flow hole is communicated with the 4th through flow hole, and second through flow hole is communicated with the 5th through flow hole;The pilot valve position When location right, the third through flow hole is communicated with the 5th through flow hole, first through flow hole and the described 4th through-flow Hole communicates;The overflow-valve device for controlling the pilot valve movement is additionally provided on the end cap, and described for controlling The push rod device of pilot valve initial position.
Through the above technical solutions, push rod device only need to be pushed manually before P hydraulic fluid port oil inlet, pilot valve is made to be in one A initial position (being equivalent to launch computer), if being pulled to pilot valve by push rod device is moved to the left to limit position It sets, then the oil liquid of P hydraulic fluid port enters the first master control by third through flow hole (and P hydraulic fluid port communicates always), mounting hole, the 4th through flow hole Chamber, then main valve plug moves right (if before main valve plug not extreme position on the right) or is maintained at the right extreme position (such as Just extreme position on the right before fruit), such P hydraulic fluid port lead to the logical T hydraulic fluid port of A hydraulic fluid port, B hydraulic fluid port.When A hydraulic fluid port pressure rise to overflow valve When the pressure of device setting, oil liquid enters the first first guide cavity by A hydraulic fluid port, pushes pilot valve to move right, wherein the second guide The oil liquid of chamber flows back to T hydraulic fluid port by overflow-valve device, and the pressure of such P hydraulic fluid port is by third through flow hole, mounting hole, the 5th through-flow Hole enters the second master control chamber, and the intracavitary oil liquid of the first master control passes through the 4th through flow hole, mounting hole, the first through flow hole and T hydraulic fluid port phase Logical, main valve plug is moved to the left and is switched to the logical B hydraulic fluid port of P hydraulic fluid port, A hydraulic fluid port leads to T hydraulic fluid port position.When the pressure rise of B hydraulic fluid port is to overflow When the pressure of valve gear setting, oil liquid enters the second first guide cavity by B hydraulic fluid port, and pilot valve is pushed to be moved to the left, the first first guide cavity Oil liquid T hydraulic fluid port is flowed back to by overflow-valve device, the oil liquid of such P hydraulic fluid port passes through third through flow hole, mounting hole, the 4th through flow hole Into the first master control chamber, the oil liquid of the second master control chamber is communicated by the 5th through flow hole, mounting hole, the second through flow hole and T hydraulic fluid port, main Spool moves right and is switched to the logical A hydraulic fluid port of P hydraulic fluid port, B hydraulic fluid port leads to T hydraulic fluid port position, so far forms circulation, is not necessarily to automatically controlled control.
In further technical solution, the overflow-valve device includes the first overflow valve being arranged on the end cap and the The oil inlet of two overflow valves, first overflow valve passes through the 6th through flow hole being arranged in the end cap and the A hydraulic fluid port phase Logical, overflow port passes through the 7th through flow hole being arranged in the end cap and communicates with the described first first guide cavity;It is set in the end cap There is the 8th through flow hole for being connected to the 7th through flow hole and the T hydraulic fluid port, the first resistance is installed in the 8th through flow hole Buddhist nun's device;The oil inlet of second overflow valve is identical as the B hydraulic fluid port by the 9th through flow hole being arranged in the end cap, Overflow port passes through the tenth through flow hole being arranged in the end cap and communicates with the described second first guide cavity;It is equipped with and is used in the end cap It is connected to the 11st through flow hole of the tenth through flow hole and the T hydraulic fluid port, the second damping is installed in the 11st through flow hole Device.
In further technical solution, the push rod device includes being plugged in the end cap and being located at the guide The first push rod and the second push rod of spool left and right ends.
In further technical solution, the both ends on the main valve plug in mounting hole are separately installed with for preventing the elder generation Guide valve core is detached from the first screw plug and the second screw plug of the mounting hole, is axially arranged with along it for described on first screw plug First spliced eye of one push rod grafting is axially arranged on second screw plug along it and inserts for the second of the second push rod grafting Connect hole.
In further technical solution, it is axially successively arranged the 4th from left to right along it on the side of the pilot valve Shoulder, the 5th shoulder, the 6th shoulder, the 7th shoulder, first through flow hole and the mounting hole connectivity part are located at described 4th Between shoulder and the 5th shoulder, second through flow hole and the mounting hole connectivity part are located at the 6th shoulder and described Between seven shoulders, the third through flow hole and the mounting hole connectivity part be located at the 5th shoulder and the 6th shoulder it Between.
(3) beneficial effect
Compared with prior art, technical solution of the present invention has the advantage that the moving certainly for garbage compression station When working to valve, before P hydraulic fluid port oil inlet, push rod device only need to be pushed manually, pilot valve is made to be in an initial position (being equivalent to launch computer), if being pulled to pilot valve by push rod device is moved to the left to extreme position, the oil of P hydraulic fluid port Liquid by third through flow hole (and P hydraulic fluid port communicates always), mounting hole, the 4th through flow hole enter the first master control chamber, then main valve plug to It moves right (if main valve plug before is not extreme position on the right) or is maintained at the right extreme position (if before on the right Extreme position), such P hydraulic fluid port leads to A hydraulic fluid port, B hydraulic fluid port leads to T hydraulic fluid port.When the pressure that A hydraulic fluid port pressure rise to overflow-valve device is set When, oil liquid enters the first first guide cavity by A hydraulic fluid port, pushes pilot valve to move right, wherein the oil liquid of the second first guide cavity is by overflowing Flow valve device flows back to T hydraulic fluid port, and the pressure of such P hydraulic fluid port enters the second master control by third through flow hole, mounting hole, the 5th through flow hole Chamber, the intracavitary oil liquid of the first master control are communicated by the 4th through flow hole, mounting hole, the first through flow hole and T hydraulic fluid port, and main valve plug is to moving to left The dynamic P hydraulic fluid port that is switched to leads to the logical T hydraulic fluid port position of B hydraulic fluid port, A hydraulic fluid port, so far forms circulation, is not necessarily to automatically controlled control;The valve arrangement is simple, It is easy to process.
Detailed description of the invention
Fig. 1 is the first section structure diagram in the present embodiment for the automatic diverter valve of garbage compression station;
Fig. 2 is the second section structure diagram in the present embodiment for the automatic diverter valve of garbage compression station;
Fig. 3 is the hydraulic schematic diagram in the present embodiment for the automatic diverter valve of garbage compression station;
Fig. 4 is in the present embodiment using the hydraulic schematic diagram of the garbage compression station of automatic diverter valve;
Fig. 5 is the schematic diagram of the section structure of main valve core assembly in the present embodiment.
The corresponding component names of appended drawing reference are: 1. end caps;1.1. the 6th through flow hole;1.2. the 7th through flow hole;1.3. the Eight through flow holes;1.4. the 9th through flow hole;1.5. the tenth through flow hole;1.6. the 11st through flow hole;1a. the first master control chamber;1b. second Master control chamber;1c. third master control chamber;The 4th master control chamber of 1d.;3. pilot valve;301. the 4th shoulders;302. the 5th shoulders;303. 6th shoulder;304. the 7th shoulders;4. main valve plug;401. mounting hole;402. first shoulder;403. second shoulders;404. third Shoulder;4.1. the first through flow hole;4.2. third through flow hole;4.3. the 5th through flow hole;4.4. the second through flow hole;4.5. the 4th is through-flow Hole;The first overflow valve of 5a.;The second overflow valve of 5b.;The first damper of 6a.;The second damper of 6b.;The first screw plug of 7a.;7b. Two screw plugs;701. first spliced eyes;702. second spliced eyes;The first push rod of 8a.;The second push rod of 8b.;9. valve body;901.P oily Mouthful;902.A hydraulic fluid port;903.B hydraulic fluid port;904.T hydraulic fluid port;10. hydraulic cylinder;.
Specific embodiment
Fig. 1-5 is please referred to, the present invention provides a kind of automatic diverter valve for garbage compression station, including internal equipped with P oil Mouthfuls 901, the valve body 9 of A hydraulic fluid port 902, B hydraulic fluid port 903, T hydraulic fluid port 904, the left and right ends of the valve body 9 are equipped with end cap 1, the valve The main valve plug 4 for control port on-off is slidably connected in body 9, the inside of the main valve plug 4 is axially arranged with perforative along it Mounting hole 401 slidably connects pilot valve 3 in the mounting hole 401;Along its axial direction from a left side on the side of the main valve plug 4 Be successively arranged first shoulder 402, the second shoulder 403, third shoulder 404 to the right, the first shoulder 402 and the end cap 1 it Between form the first master control chamber 1a, the second master control chamber 1b is formed between the third shoulder 404 and the end cap 1;The main valve plug 4 Left end and the end cap 1 between form the first first guide cavity 1c, the is formed between the right end and the end cap 1 of the main valve plug 4 Two first guide cavity 1d;The side of the first shoulder 402 is equipped with for being connected to the mounting hole 401 and the T hydraulic fluid port 904 One through flow hole 4.1;The side of the third shoulder 404 is equipped with for being connected to the mounting hole 401 and the T hydraulic fluid port 904 Second through flow hole 4.4;The side of second shoulder 402 is equipped with for being connected to the mounting hole 401 and the P hydraulic fluid port 901 Third through flow hole 4.2;The for being connected to the first master control chamber 1a and the mounting hole 401 is equipped in the main valve plug 4 Four through flow holes 4.5, and the 5th through flow hole 4.3 for being connected to the second master control chamber 1b and the mounting hole 401;The end The overflow-valve device acted for controlling the pilot valve 3 is additionally provided on lid 1, and at the beginning of for controlling the pilot valve 3 The push rod device of beginning position.
The overflow-valve device includes the first overflow valve 5a being arranged on the end cap 1 and the second overflow valve 5b, described The oil inlet of first overflow valve 5a passes through the 6th through flow hole 1.1 being arranged in the end cap 1 and communicates with the A hydraulic fluid port 902, Overflow port is communicated by the 7th through flow hole 1.2 with the first elder generation guide cavity 1c;It is equipped in the end cap 1 for being connected to the described 7th 8th through flow hole 1.3 of through flow hole 1.2 and the T hydraulic fluid port 904 is equipped with the first damper 6a in the 8th through flow hole 1.3; The oil inlet of the second overflow valve 5b passes through the 9th through flow hole 1.4 being arranged in the end cap 1 and 903 phase of B hydraulic fluid port Together, overflow port passes through the tenth through flow hole 1.5 being arranged in the end cap 1 and communicates with the second elder generation guide cavity 1d;The end Interior the 11st through flow hole 1.6 being equipped with for being connected to the tenth through flow hole 1.5 and the T hydraulic fluid port 904 of lid 1, the described 11st Second damper 6b is installed in through flow hole 1.6.
The push rod device includes for being plugged in the end cap 1 and being located at 3 left and right ends of pilot valve One push rod 8a and the second push rod 8b.It is separately installed at the both ends of mounting hole 401 for preventing the guide on the main valve plug 4 Spool 3, which is detached from the first screw plug 7a and the second screw plug 7b, the first screw plug 7a of the mounting hole 401, is axially arranged with use along it It is axially arranged with along it for described second on the first spliced eye 701 of the first push rod 8a grafting, the second screw plug 7b Second spliced eye 702 of push rod 8b grafting.
On the side of the pilot valve 3 along its axially be successively arranged from left to right the 4th shoulder 301, the 5th shoulder 302, 6th shoulder 303, the 7th shoulder 304, first through flow hole 4.1 are located at described 4th with 401 connectivity part of mounting hole Between shoulder 301 and the 5th shoulder 302, second through flow hole 4.4 and 401 connectivity part of the mounting hole are located at the described 6th Between shoulder 303 and the 7th shoulder 304, the third through flow hole 4.2 and 401 connectivity part of the mounting hole are located at described the Between five shoulders 302 and the 6th shoulder 303.
As shown in figure 4, using the garbage compression station hydraulic control system of the automatic diverter valve comprising respectively with A hydraulic fluid port 902 hydraulic cylinders 10 being connected with B hydraulic fluid port 903 when the automatic diverter valve works, before 901 oil inlet of P hydraulic fluid port, need to only push away manually Dynamic first push rod 8a or the second push rod 8b, makes pilot valve 3 be in an initial position (being equivalent to launch computer), if pushing away The second push rod 8b is moved, then pilot valve 3, which is pulled to, is moved to the left to extreme position, as shown in Figure 1, the then oil liquid of P hydraulic fluid port 901 Enter the first master control chamber 1a by third through flow hole 4.2 (and P hydraulic fluid port communicates always), mounting hole 401, the 4th through flow hole 4.5, then Main valve plug 4 move right (if before main valve plug not extreme position on the right) or be maintained at the right extreme position (if it Preceding just extreme position on the right), such P hydraulic fluid port 901 leads to A hydraulic fluid port 902, B hydraulic fluid port 903 leads to T hydraulic fluid port 904, and hydraulic cylinder 10 is transported to the right It is dynamic.After hydraulic cylinder 10 moves to bottom, when the setting pressure of 902 pressure rise of A hydraulic fluid port to the first overflow valve 5a, oil liquid is by A oil Mouth 902 enters the first first guide cavity 1c by the 6th through flow hole 1.1, the first overflow valve 5a, the 7th through flow hole 1.2, pushes pilot valve Core 3 moves right, wherein the oil liquid of the second first guide cavity 1d is damped by the tenth through flow hole 1.5, the 11st through flow hole 1.6, second Device 6b flows back to T hydraulic fluid port 904, and the pressure of such P hydraulic fluid port 901 passes through third through flow hole 4.2, mounting hole 401, the 5th through flow hole 4.3 Pass through the 4th through flow hole 4.5, mounting hole 401, the first through flow hole into the oil liquid in the second master control chamber 1b, the first master control chamber 1a 4.1 and T hydraulic fluid port 904 communicates, and main valve plug 4, which is moved to the left, is switched to that P hydraulic fluid port 901 leads to B hydraulic fluid port 903, A hydraulic fluid port 902 leads to T hydraulic fluid port 904 Position, hydraulic cylinder 10 start to be moved to the left.After hydraulic cylinder 10 is moved to the left to the end, the pressure rise of B hydraulic fluid port 903 is overflow to second When flowing the setting pressure of valve 5b, oil liquid passes through the 9th through flow hole 1.4, the second overflow valve 5b, the tenth through flow hole 1.5 by B hydraulic fluid port 903 Into the second first guide cavity 1d, pilot valve 3 is pushed to be moved to the left, the oil liquid of the first first guide cavity 1c passes through the 7th through flow hole 1.2, the Eight through flow holes 1.3, the first damper 6a flow back to T hydraulic fluid port 904, and the oil liquid of such P hydraulic fluid port 901 is by third through flow hole 4.2, installation Hole 401, the 4th through flow hole 4.5 enter the oil liquid of the first master control chamber 1a, the second master control chamber 1b by the 5th through flow hole 4.3, installation Hole 401, the second through flow hole 4.4 and T hydraulic fluid port 904 communicate, main valve plug 4 move right be switched to P hydraulic fluid port 901 lead to A hydraulic fluid port 902, B oil 903 logical 904 positions of T hydraulic fluid port of mouth, so far form circulation, and the automatic movement back and forth under control of the invention of hydraulic cylinder 10 is not necessarily to electricity Control control
It is only the preferred embodiment of the present invention described in top, it is noted that for the ordinary skill people of the art For member, without departing from the technical principles of the invention, several improvements and modifications can also be made, these improvements and modifications Also it should be regarded as protection scope of the present invention.

Claims (3)

1. a kind of automatic diverter valve for garbage compression station, which is characterized in that be equipped with P hydraulic fluid port, A hydraulic fluid port, B oil including inside The valve body of mouth, T hydraulic fluid port, the left and right ends of the valve body are equipped with end cap, slidably connect in the valve body for control port The inside of the main valve plug of on-off, the main valve plug is axially arranged with perforative mounting hole along it, slidably connects in the mounting hole Pilot valve;It is axially successively arranged first shoulder, the second shoulder, third platform from left to right along it on the side of the main valve plug Shoulder forms the first master control chamber between the first shoulder and the end cap, is formed between the third shoulder and the end cap Two master control chambers;Form the first first guide cavity between the left end of the main valve plug and the end cap, the right end of the main valve plug and described The second first guide cavity is formed between end cap;When the main valve plug is located at left position, the P hydraulic fluid port is communicated with the B hydraulic fluid port, described A hydraulic fluid port is communicated with the T hydraulic fluid port;When the main valve plug is located at location right, the P hydraulic fluid port is communicated with the A hydraulic fluid port, the B Hydraulic fluid port is communicated with the T hydraulic fluid port;
The side of the first shoulder is equipped with the first through flow hole for being connected to the mounting hole and the T hydraulic fluid port;Described The side of three shoulders is equipped with the second through flow hole for being connected to the mounting hole and the T hydraulic fluid port;The side of second shoulder Face is equipped with the third through flow hole for being connected to the mounting hole and the P hydraulic fluid port;It is equipped in the main valve plug for being connected to State the 4th through flow hole of the first master control chamber and the mounting hole, and for being connected to the second master control chamber and the mounting hole 5th through flow hole;When the pilot valve is located at left position, the third through flow hole is communicated with the 4th through flow hole, described Second through flow hole is communicated with the 5th through flow hole;When the pilot valve is located at location right, the third through flow hole and institute It states the 5th through flow hole to communicate, first through flow hole is communicated with the 4th through flow hole;
The overflow-valve device for controlling the pilot valve movement is additionally provided on the end cap, and for controlling the guide The push rod device of spool initial position;
The overflow-valve device includes the first overflow valve and the second overflow valve being arranged on the end cap, first overflow valve Oil inlet pass through the 6th through flow hole that is arranged in the end cap and communicated with the A hydraulic fluid port, overflow port is by setting in institute The 7th through flow hole stated in end cap is communicated with the described first first guide cavity;It is equipped in the end cap for being connected to the 7th through flow hole With the 8th through flow hole of the T hydraulic fluid port, the first damper is installed in the 8th through flow hole;The oil inlet of second overflow valve Mouth is identical as the B hydraulic fluid port by the 9th through flow hole being arranged in the end cap, and overflow port is by being arranged in the end cap The tenth interior through flow hole is communicated with the described second first guide cavity;It is equipped in the end cap for being connected to the tenth through flow hole and described 11st through flow hole of T hydraulic fluid port is equipped with the second damper in the 11st through flow hole;
It is axially successively arranged the 4th shoulder, the 5th shoulder, the 6th shoulder, the from left to right along it on the side of the pilot valve Seven shoulders, first through flow hole and the mounting hole connectivity part are between the 4th shoulder and the 5th shoulder, institute The second through flow hole and the mounting hole connectivity part are stated between the 6th shoulder and the 7th shoulder, the third is through-flow Hole and the mounting hole connectivity part are between the 5th shoulder and the 6th shoulder;
Before P hydraulic fluid port oil inlet, push rod device is pushed manually, so that pilot valve is in an initial position, if passing through push rod Device is pulled to pilot valve to be moved to the left to extreme position, then the oil liquid of P hydraulic fluid port is by third through flow hole, mounting hole, the Four through flow holes enter the first master control chamber, then main valve plug moves right, and such P hydraulic fluid port leads to A hydraulic fluid port, B hydraulic fluid port leads to T hydraulic fluid port;When A hydraulic fluid port When the pressure that pressure rise is set to the first overflow valve, oil liquid enters the first first guide cavity by A hydraulic fluid port, and pilot valve is pushed to move right Dynamic, wherein the oil liquid of the second first guide cavity flows back to T hydraulic fluid port, the pressure of P hydraulic fluid port passes through third through flow hole, mounting hole, the 5th through flow hole Into the second master control chamber, the intracavitary oil liquid of the first master control is communicated by the 4th through flow hole, mounting hole, the first through flow hole and T hydraulic fluid port, Main valve plug is moved to the left and is switched to the logical B hydraulic fluid port of P hydraulic fluid port, A hydraulic fluid port leads to T hydraulic fluid port position;When the pressure rise of B hydraulic fluid port is to the second overflow When the setting pressure of valve, oil liquid enters the second first guide cavity by B hydraulic fluid port, and pilot valve is pushed to be moved to the left, the oil of the first first guide cavity Liquid stream returns T hydraulic fluid port, and the oil liquid of P hydraulic fluid port enters the first master control chamber by third through flow hole, mounting hole, the 4th through flow hole, and second is main The oil liquid of control chamber is communicated by the 5th through flow hole, mounting hole, the second through flow hole and T hydraulic fluid port, and main valve plug, which moves right, is switched to P oil Mouth leads to A hydraulic fluid port, B hydraulic fluid port leads to T hydraulic fluid port position.
2. the automatic diverter valve according to claim 1 for garbage compression station, which is characterized in that the push rod device packet Include the first push rod and the second push rod for being plugged in the end cap and being located at the pilot valve left and right ends.
3. the automatic diverter valve according to claim 2 for garbage compression station, which is characterized in that on the main valve plug The both ends of mounting hole are separately installed with the first screw plug and the second screw plug for preventing the pilot valve to be detached from the mounting hole, The first spliced eye for the first push rod grafting is axially arranged with along it on first screw plug, along it on second screw plug It is axially arranged with the second spliced eye for the second push rod grafting.
CN201810480150.5A 2018-05-18 2018-05-18 A kind of automatic diverter valve for garbage compression station Expired - Fee Related CN108518377B (en)

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CN201810480150.5A CN108518377B (en) 2018-05-18 2018-05-18 A kind of automatic diverter valve for garbage compression station

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CN108518377B true CN108518377B (en) 2019-11-15

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CN109296574B (en) * 2018-11-12 2020-10-27 温州大学激光与光电智能制造研究院 Damping type pilot control switch valve

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