CN106499688B - A kind of garbage-compressing control integral multitandem valve and control method - Google Patents

A kind of garbage-compressing control integral multitandem valve and control method Download PDF

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Publication number
CN106499688B
CN106499688B CN201611181190.7A CN201611181190A CN106499688B CN 106499688 B CN106499688 B CN 106499688B CN 201611181190 A CN201611181190 A CN 201611181190A CN 106499688 B CN106499688 B CN 106499688B
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China
Prior art keywords
valve
control
solenoid valve
shoveling
oil
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CN201611181190.7A
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CN106499688A (en
Inventor
罗炎热
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Hunan Hydfly Science and Technology Co Ltd
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Hunan Hydfly Science and Technology Co Ltd
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    • 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
    • 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
    • F15B13/01Locking-valves or other detent i.e. load-holding devices
    • 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
    • F15B13/027Check 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
    • F15B2013/002Modular valves, i.e. consisting of an assembly of interchangeable components
    • F15B2013/004Cartridge valves

Abstract

A kind of garbage-compressing of the present invention controls integral multitandem valve, including casting valve body, sets 2 overflow valves, 1 pressure reducing valve, 4 plugged electric magnet valves, 1 flip-flop movement control assembly, 1 shoveling motion control component, 1 hydraulic lock set in the cast valve body;It is characterized by: the casting valve body is provided with valve opening, valve chamber by monoblock type casting and forming, and it is equipped with oil inlet, four oil outlets and oil return opening, respectively P, A1, B1, A2, B2, T mouthfuls;The overflow valve is connected to oil inlet P and oil return inlet T, control system safe-working pressure;The pressure reducing valve oil inlet is connected to P mouthfuls, and oil outlet is connected to 4 plugged electric magnet valves, provides pilot control power to overturning, shoveling motion control;4 plugged electric magnet valves are respectively arranged at flip-flop movement control assembly, shoveling motion control component both ends, with the pilot control oil communication after decompression.This multi-way valve reduces garbage compression system impact, enhances product performance and its produce and process efficiency.

Description

A kind of garbage-compressing control integral multitandem valve and control method
Technical field
The present invention relates to a kind of integral multitandem valve, in particular to integral multitandem valve is used in a kind of garbage-compressing control.
Background technique
Disposal of Municipal Refuse and complete set of equipments are the high-tech industry of current state key development, urban sanitation Mechanical equipment around garbage collection, clear, handle three aspect, just towards environmental protection, multifunction, hommization, modularization, The direction of digital intellectualization, which continues to develop, advances.In rubbish, present house refuse accounts for largest portion, but house refuse all compares It is more fluffy, so the area space accounted for is bigger, and rubbish is compressed by garbage compression box, is compacted, it is possible to reduce The number of garbage truck transport, it is thus also avoided that rubbish as it is fluffy fly everywhere caused by pollute, while reducing sanitationman user Number, reduces sewage water clock, eliminates peculiar smell, the mosquitos and flies etc. of dumping generation, environment protecting is particularly evident.Therefore, the production Product wide market has preferable economic results in society.
Mobile conjuncted garbage compression box is mainly by garbage collection and compression mechanism, garbage-compressing power station, compression box case Body three parts composition, garbage collection and compression mechanism realize that rubbish side is collected by a tipping bucket and a shoveling, side compression Function.Mobile conjuncted garbage compression box power station is the compression power source of garbage compression box, by motor pump group, solenoid valve control Valve group processed, fuel tank, PLC control system are integrated in one, and are embedded in garbage compression box tail portion, pass through PLC programming Control and realize pressure The functions such as contracting case tipping bucket voluntarily charges, and shoveling is voluntarily compressed, and compression box case is completely alarmed are that a kind of high-tech of full-automation produces Product.
Currently, the pressure of garbage compression box hydraulic control system, flow mainly passes through one and is integrated with solenoid valve, overflow One steel valve group of valve, the multiple functions element such as throttle valve is realized.This control system principle is realized simply, each by replacing Kind function solenoid valve changes the various functions that PLC operation program realizes garbage compression box easily.But in the worked of compression box Cheng Zhong, since the solenoid valve response time is very short, generally in 40~50ms or so, its it is frequent close, in opening process, to being System brings very big hydraulic shock, drastically influences the reliability and service life of system and its element manipulation, also gives work Environment brings noise pollution;Simultaneously as it is more using solenoid valve, the production and processing of system valve block, system are considerably increased The difficulty of debugging, maintenance, influences the production and processing efficiency of product.
Summary of the invention
In order to solve the above-mentioned technical problem the present invention, provides a kind of garbage-compressing control integral multitandem valve, to reduce Garbage compression system impact, enhances product performance and its produces and processes efficiency.
In order to solve the above technical problems, the present invention is realized using following technical scheme:
A kind of garbage-compressing control integral multitandem valve, including valve body is cast, 2 overflow valves, 1 are set in the cast valve body A pressure reducing valve, 4 plugged electric magnet valves, respectively the first solenoid valve 21, second solenoid valve 22, the 23, the 4th electricity of third solenoid valve 24,1 flip-flop movement control assemblies of magnet valve, 1 shoveling motion control component, 1 hydraulic lock set;It is characterized by: described Casting valve body valve opening, valve chamber are provided with by monoblock type casting and forming, and be equipped with oil inlet, four oil outlets and oil return opening, Respectively P, A1, B1, A2, B2, T mouthfuls;The overflow valve is connected to oil inlet P and oil return inlet T, control system trouble free service pressure Power;The pressure reducing valve oil inlet is connected to P mouthfuls, and oil outlet is connected to 4 plugged electric magnet valves, to overturning, shoveling motion control Pilot control power is provided;First solenoid valve 21, second solenoid valve 22 are set to the both ends of flip-flop movement control assembly, the Three solenoid valves 23, the 4th solenoid valve 24 are set to shoveling motion control component both ends, with the pilot control oil communication after decompression.
One of preferred embodiment as above scheme: the flip-flop movement control assembly includes: end cap, return spring, bullet Spring abutment, overturning valve rod and sealing element form P1, P2, A1, B1, T-type chamber and spring control chamber with casting valve body cooperation.
One of preferred embodiment as above scheme: the shoveling motion control component includes: end cap, return spring, bullet Spring abutment, shoveling valve rod and sealing element form P2, A2, B2, T-type chamber with casting valve body cooperation.
One of preferred embodiment as above scheme: it is arranged on the overturning valve rod of the motion control component, shoveling valve rod There are buffer orifice and/or balancing slit.
One of preferred embodiment as above scheme: the hydraulic lock set includes: 2 plugs, 2 reset springs, 2 Nonreturn valve core and 1 hydraulic control valve rod are sequentially arranged symmetrically respectively using hydraulic control valve rod as center the right and left.
One of preferred embodiment as above scheme: the hydraulic control one-way valve is whole cone valve type structure.
A kind of garbage-compressing controls integral multitandem valve, the control method are as follows:
Firstly, pressure oil enters multi-way valve through oil inlet, depressurized through pressure reducing valve;
Then, pilot control oil sources is provided for overturning, shoveling motion control component under solenoid valve control effect;Described After pressure oil enters valve body from oil inlet, successively enter compression box tipping bucket flip-flop movement control assembly and shoveling motion control group Part, two spools are successively connected in series, and when overturning is run, shoveling can not be acted, and when shoveling is run, control rotary movement, which can end, to be pushed away Scraper row;The energized state of 4 plugged electric magnet valves controls overturning, 2 main valve stems in shoveling motion control component Station, the tipping bucket for corresponding to conjuncted garbage compression box turns over, under turn over and push away, push away slowly and retreat 5 kinds of operating conditions fastly with shoveling.
Compared with the prior art, the invention has the advantages that:
Garbage-compressing of the invention controls integral multitandem valve, has following technological merit.
(1) new garbage-compressing control principle enormously simplifies garbage-compressing control system, less system element quantity And cost, while being conducive to the raising of product working performance and the debugging of system and maintenance.
(2) garbage-compressing control integral multitandem valve uses monolithic construction, monoblock type casting and forming, relative to script For steel valve block structure or sheet-type multi-way valve structure, structure is more compact, leakage of oil risk is smaller, while subtracting significantly Lack processing technology, improves the reliability of compaction control system.
(3) the multi-way valve main valve plug movement by using two-position two-way solenoid valve pilot control with buffer function, relative to The compaction control system of solenoid directional control valve control, extends main valve plug commutating period, largely reduces due to electromagnetism Reversal valve quickly commutates caused system pressure impact.
(4) a kind of hydraulic lock that unitary tape controllably throttles is integrated in one, realizes the control of the leakage of multi-way valve zero And the turning over of garbage compression box tipping bucket, under turn over the controllable operation to follow the walk.
Detailed description of the invention
Fig. 1 is the schematic diagram of the function that integral multitandem valve is used in garbage-compressing control of the invention.
Fig. 2 is that garbage-compressing control of the invention realizes figure with integral multitandem valve structure function
In figure
Overflow valve 1;Overflow valve 11,12;First solenoid valve 21, second solenoid valve 22, third solenoid valve 23, the 4th solenoid valve 2;Hydraulic lock set 3, hydraulic control one-way valve 31, liquid controlled reversing valve rod 32;Pressure reducing valve 4;Flip-flop movement control assembly 5, A end cap 51, A return spring 52, A spring base 53, overturning valve rod 54;Shoveling motion control component 6;End cap 61, return spring 62, spring base 63, shoveling valve rod 64;Buffer orifice 7, balancing slit 8.
Specific embodiment
In order to make those skilled in the art more fully understand technical solution of the present invention, with reference to the accompanying drawing and it is embodied The present invention is described in further detail for example.
Embodiment 1:
With reference to attached drawing 1, garbage-compressing control integral multitandem valve, including overflow valve 11,12, two-position three way of the invention Solenoid valve 21,22,23,24, hydraulic lock set 3, pressure reducing valve 4, flip-flop movement control assembly 5, shoveling motion control component 6 with And P, A1, B1, A2, B2, hydraulic fluid port;The overflow valve 11 is connected to P, T hydraulic fluid port, control system safe pressure;The overflow Valve 12 controls oil circuit in flip-flop movement, defines the maximum load of garbage compression box tipping bucket;The flip-flop movement control assembly 5 Realize 36 logical pilot operated directional control valve functions, the first solenoid valve 21, second solenoid valve 22 respectively it is electric in the case where, realize compress Case tipping bucket turns over, under turn over function, and combined with hydraulic lock set 3, guarantee that tipping bucket movement can be stopped in arbitrary point, and guarantee to grow The locking of time any position;The shoveling motion control component 6 realizes 34 logical pilot operated directional control valve functions, in third solenoid valve 23, the 4th solenoid valve 24 respectively it is electric in the case where, realize compression box shoveling push away slowly, fallback function;When all solenoid valves lose When electric, shoveling motion control component 6 works, and realizes that shoveling pushes away function fastly;When shoveling motion control component 6 works, solenoid valve 21 or 22 electric must can be truncated its high-pressure oil passage, guarantee that tipping bucket normal table can be run at any time.
Embodiment 2:
With reference to attached drawing 2, garbage-compressing control integral multitandem valve of the invention is the overflow valve 1, solenoid valve 2, hydraulic Lock set 3, pressure reducing valve 4, flip-flop movement control assembly 5, shoveling motion control component 6 are integrated in an integral casting forming Valve body in.Flip-flop movement control assembly 5 mainly comprising A end cap 51, A return spring 52, A spring base 53, overturning valve rod 54 and Sealing element, the component and casting valve body cooperation, form P1, P2, A1, B1, T-type chamber and spring control chamber a1, b1, are hit by a bullet Spring control chamber is connected to the first solenoid valve 21,22 working hole of second solenoid valve, and overturning valve rod 54 is in first the 21, second electricity of solenoid valve Have the station of left, center, right three under magnet valve 22 and return spring collective effect, respectively correspond P1 → A1, B1 → T and A1, B1 → T, tri- kinds of P1 → P2 and P1 → B1, A1 → T type chambers are connected to forms, control compression box tipping bucket turn over, stop, under turn over three kinds of works Condition.
Likewise, shoveling motion control component 6 include end cap 61, return spring 62, spring base 63, shoveling valve rod 64 and its Its sealing element forms P2, A2, B2, T-type chamber and spring control chamber a2, b2, wherein spring control chamber with casting valve body cooperation Be connected to third solenoid valve 23,24 working hole of the 4th solenoid valve, shoveling valve rod 64 third solenoid valve 23, the 4th solenoid valve 24 and There is the station of left, center, right three under return spring collective effect, respectively corresponds P2 → B2, A2 → T and P2 → A2, B2 and P2 Tri- kinds of type chambers of → A2, B2 → T are connected to form, control compression box shoveling respectively and push away, push away slowly fastly, retreating three kinds of different operating conditions.
Embodiment 3:
On the basis of embodiment 2, flip-flop movement control assembly 5, shoveling motion control component 6 valve rod on be provided with it is slow Rush restriction and balancing slit, in the compression shock to reduce commutation process and commutation resistance;It is this, the shape of electro-hydraulic pilot control Formula substantially prolongs the commutating period in commutation process and pressure drop gradient, largely with the throttling buffering that main valve plug is open Reduce the hydraulic shock in commutation process.The hydraulic lock set includes 2 hydraulic control one-way valves 31 and pilot operated directional control valve Bar 32 cooperates with flip-flop movement control assembly 5 and controls, and realizes that tipping bucket movement can be stopped in arbitrary point, due to hydraulic control one-way valve 31 be whole cone valve type structure, can accomplish zero leakage, so as to eliminate front overturning valve rod since its slide-valve structure is made At flow loss, and guarantee tipping bucket long-time any position lock.
Embodiment 4:
A kind of garbage-compressing control integral multitandem valve, controls working method are as follows: pressure oil enters multichannel through P mouthfuls Valve ensures system safe-working pressure by overflow valve, is turn under solenoid valve control effect after pressure reducing valve depressurizes more Turn, shoveling motion control component provides pilot control oil sources;After the pressure oil enters valve body from P, successively enter compression box Tipping bucket flip-flop movement control assembly and shoveling motion control component, two spools are successively connected in series, and when overturning is run, shoveling can not Movement, when shoveling is run, control rotary movement can end shoveling operation;The energized state control of 4 plugged electric magnet valves Make overturning, in shoveling motion control component 2 main valve stems station, the tipping bucket for corresponding to conjuncted garbage compression box turns over, under It turns over and pushes away, pushes away slowly and retreat 5 kinds of operating conditions fastly with shoveling;
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and what is described in the above embodiment and the description is only the present invention Principle, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these variation and Improvement is both fallen in the range of claimed invention.The present invention claims protection scope by appended claims and its Equivalent defines.

Claims (3)

1. a kind of garbage-compressing controls integral multitandem valve, including casting valve body, 2 overflow valves, 1 are set in the cast valve body Pressure reducing valve, 4 plugged electric magnet valves, respectively the first solenoid valve (21), second solenoid valve (22), third solenoid valve (23), Four solenoid valves (24), 1 flip-flop movement control assembly, 1 shoveling motion control component, 1 hydraulic lock set;Its feature exists In: the casting valve body by monoblock type casting and forming, be provided with valve opening, valve chamber, and be equipped with oil inlet, four oil outlets and Oil return opening, respectively P, A1, B1, A2, B2, T mouthful;The overflow valve is connected to oil inlet and oil return opening, control system safety Operating pressure;The pressure reducing valve is connected to oil inlet, and oil outlet is connected to 4 plugged electric magnet valves, to overturning, shoveling campaign control System provides pilot control power;First solenoid valve (21), second solenoid valve (22) are set to flip-flop movement control assembly Both ends, third solenoid valve (23), the 4th solenoid valve (24) are set to shoveling motion control component both ends, control with the guide after decompression Oil communication processed;
The flip-flop movement control assembly includes: A end cap, A return spring, A spring base, overturning valve rod and sealing element, with casting Valve body cooperation, forms P1, P2, A1, B1, T-type chamber and spring control chamber a1, b1, wherein spring control chamber and the first solenoid valve (21), second solenoid valve (22) working hole is connected to, and overturns valve rod (54) in the first solenoid valve (21), second solenoid valve (22) and A There is the station of left, center, right three under return spring collective effect, respectively corresponds P1 → A1, B1 → T and A1, B1 → T, P1 → P2 And tri- kinds of P1 → B1, A1 → T type chambers are connected to forms, control compression box tipping bucket turn over, stop, under turn over three kinds of operating conditions;
The shoveling motion control component includes: end cap, return spring, spring base, shoveling valve rod and sealing element, with casting valve body Cooperation forms P2, A2, B2, T-type chamber and spring control type chamber a2, b2, wherein spring control chamber and third solenoid valve (23), The connection of 4th solenoid valve (24) working hole, shoveling valve rod (64) is in third solenoid valve (23), the 4th solenoid valve (24) and return bullet There is the station of left, center, right three under spring collective effect, respectively corresponds P2 → B2, A2 → T and P2 → A2, B2 and P2 → A2, B2 Tri- kinds of type chambers of → T are connected to form, control compression box shoveling respectively and push away, push away slowly fastly, retreating three kinds of different operating conditions.
2. a kind of garbage-compressing as described in claim 1 controls integral multitandem valve, it is characterised in that: the motion control group Buffer orifice and/or balancing slit are provided on the overturning valve rod of part, shoveling valve rod.
3. a kind of garbage-compressing as described in claim 1 controls integral multitandem valve, it is characterised in that: the hydraulic lock set Include: 2 plugs, 2 reset springs, 2 nonreturn valve cores and 1 hydraulic control valve rod, using hydraulic control valve rod as center the right and left point It is not arranged symmetrically sequentially.
CN201611181190.7A 2016-12-20 2016-12-20 A kind of garbage-compressing control integral multitandem valve and control method Active CN106499688B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU208310U1 (en) * 2021-05-04 2021-12-13 Федеральное государственное бюджетное образовательное учреждение высшего образования "Уральский государственный аграрный университет" CRANE HYDRAULIC DISTRIBUTOR

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107178532A (en) * 2017-05-19 2017-09-19 青神格林维尔流体动力控制技术有限公司 A kind of compressor assembly plug-in integrated package
CN108591153B (en) * 2018-05-18 2020-04-14 温岭市金盾工程机械制造有限公司 Multi-way valve
CN108591154B (en) * 2018-05-18 2020-04-03 徐海霞 Automatic control hydraulic valve for turnover plow
CN108612694B (en) * 2018-05-18 2020-09-04 江苏金晟元特种阀门股份有限公司 Control valve
CN108612693B (en) * 2018-05-18 2020-10-20 宁波真格液压科技有限公司 Double-cylinder control system with multi-way valve device
CN108691834B (en) * 2018-06-13 2020-06-02 漳州市高清保洁服务有限公司 Hydraulic valve device for compression type garbage truck

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2404851Y (en) * 2000-02-02 2000-11-08 广西壮族自治区南宁专用汽车厂 Apparatus for cutting and sorting garbage
JP2001315903A (en) * 2000-03-03 2001-11-13 Komatsu Ltd Control device for compression chamber
CN201419524Y (en) * 2009-05-04 2010-03-10 深圳东风汽车有限公司 Integrated type hydraulic power system
JP5767493B2 (en) * 2011-03-28 2015-08-19 新明和工業株式会社 Hydraulic equipment for work vehicles
CN102536932A (en) * 2012-01-11 2012-07-04 中联重科股份有限公司 Compression refuse collector and hydraulic system thereof
CN203111905U (en) * 2012-12-20 2013-08-07 青特集团有限公司 Double-pump confluence compression type garbage truck
CN203879828U (en) * 2014-06-09 2014-10-15 徐州徐工随车起重机有限公司 Hydraulic control system for lateral-loading compression-type garbage truck
CN205136180U (en) * 2015-11-13 2016-04-06 福建龙马环卫装备股份有限公司 Hydraulic system of big indisputable fill compression dustbin compression material loading simultaneous working
CN105757051A (en) * 2016-04-22 2016-07-13 青神格林维尔流体动力控制技术有限公司 Plug-in type hydraulic lock
CN206299631U (en) * 2016-12-20 2017-07-04 湖南鸿辉科技有限公司 A kind of garbage-compressing control integral multitandem valve

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU208310U1 (en) * 2021-05-04 2021-12-13 Федеральное государственное бюджетное образовательное учреждение высшего образования "Уральский государственный аграрный университет" CRANE HYDRAULIC DISTRIBUTOR

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Denomination of invention: An integral multi way valve for garbage compression control and its control method

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