CN105757035B - A kind of dustbin hydraulic system and its operation method - Google Patents
A kind of dustbin hydraulic system and its operation method Download PDFInfo
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- CN105757035B CN105757035B CN201610176448.8A CN201610176448A CN105757035B CN 105757035 B CN105757035 B CN 105757035B CN 201610176448 A CN201610176448 A CN 201610176448A CN 105757035 B CN105757035 B CN 105757035B
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- pass
- bit
- valve
- hydraulic
- stroke valve
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Classifications
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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
- F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65F—GATHERING OR REMOVAL OF DOMESTIC OR LIKE REFUSE
- B65F1/00—Refuse receptacles; Accessories therefor
- B65F1/14—Other constructional features; Accessories
-
- 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
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/20—Other details, e.g. assembly with regulating devices
- F15B15/26—Locking mechanisms
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Engineering & Computer Science (AREA)
- Power-Operated Mechanisms For Wings (AREA)
- Refuse-Collection Vehicles (AREA)
Abstract
The present invention relates to a kind of dustbin hydraulic system and its operation method, it is characterised in that provided with independent sequential control component, the normally closed stroke valve contact of bi-bit bi-pass is installed at rear turnover door oil cylinder, and the normally opened stroke valve contact of bi-bit bi-pass is installed at the locking cylinder of back door；One end of the hydraulic ball valve is connected with back door locking cylinder rod chamber, one end of the normally closed stroke valve of bi-bit bi-pass is connected with back door locking cylinder rodless cavity, hydraulic ball valve is connected with hydraulic quick connector jointly with the other end of the normally closed stroke valve of bi-bit bi-pass, one end of Bidirectional balanced valve is connected with rear turnover door oil cylinder rodless cavity and the normally opened stroke valve of bi-bit bi-pass, the other end of Bidirectional balanced valve is connected with hydraulic quick connector, and the quick-release connector connects vehicle power unit.The present invention is simple to operate, stable and reliable in work, effectively lifts garbage treatment efficiency.
Description
[technical field]
The present invention relates to refuse disposal installation, and in particular to it is a kind of with the supporting dustbin hydraulic system of garbage compression station and
Its operation method.
[background technology]
Dustbin is mainly used in the closed transhipment of house refuse, and substantially the course of work is as follows for it：
1st, dustbin is docked with compressor station, and house refuse is loaded into dustbin；
2nd, the transport and discharging of dustbin, dustbin are transported by compartment removable garbage truck, reach landfill yard car
Rubbish is poured out casing by box body lifting by railway carriage or compartment removable garbage truck.
Above procedure is related to two actions, a back door hydraulic jack locking and release, and another is rear turnover door liquid
The unlatching of compressing cylinder and closure.Two sets of actions of the above are completed by hydraulic system, and prior art is by two sets of oil circuits point
It is not controlled or is controlled using deadweight.But it is typically the back door among docking operation among actual use process
Locking cylinder and back door overturning oil cylinder need to realize individually control and sequential control, individually back door need to be controlled to overturn in docking operation
Oil cylinder, overturning oil cylinder first works among discharge process, is acted after the oil cylinder of back door；Back door hydraulic jack first moves after the completion of discharging
Make, acted after rear turnover door oil cylinder.Therefore, provide a kind of hydraulic pressure system that can realize the independent control of dustbin and sequential control
System, is those skilled in the art's technical problem urgently to be resolved hurrily.
[content of the invention]
In order to solve above-mentioned technical problem, the invention provides a kind of dustbin hydraulic system, including hydraulic pressure are fast
Changing-over head, back door locking cylinder, rear turnover door oil cylinder, it is characterised in that provided with independent sequential control component, the individually order
Hydraulic ball valve, the normally closed stroke valve of bi-bit bi-pass, the normally opened stroke valve of bi-bit bi-pass are provided with control assembly, the bi-bit bi-pass is normally closed
Stroke valve contact is installed at rear turnover door oil cylinder, and the normally opened stroke valve contact of bi-bit bi-pass is installed at the locking cylinder of back door；Institute
The one end for stating hydraulic ball valve is connected with back door locking cylinder rod chamber, one end and the back door locking oil of the normally closed stroke valve of bi-bit bi-pass
Cylinder rodless cavity is connected, and hydraulic ball valve is connected with hydraulic quick connector jointly with the other end of the normally closed stroke valve of bi-bit bi-pass, two-way
One end of balanced valve is connected with rear turnover door oil cylinder rodless cavity and the normally opened stroke valve of bi-bit bi-pass, the other end of Bidirectional balanced valve with
Hydraulic quick connector connects, and the quick-release connector connects vehicle power unit.
Back door reliable lock, one end and hydraulic ball valve and two two of the bidirectional hydraulic lock are ensured by bidirectional hydraulic lock
Stroke valve connection is generally closed, the other end of bidirectional hydraulic lock is connected with hydraulic quick connector.
Hydraulic ball valve uses bi-bit bi-pass hand-operated direction valve or two-position two-way electromagnetic directional valve；The normally closed stroke valve of bi-bit bi-pass
Use the normally closed hand-operated direction valve of bi-bit bi-pass or the normally closed solenoid directional control valve of bi-bit bi-pass；The normally opened stroke valve of bi-bit bi-pass uses two
The normally opened hand-operated direction valve of two-way or the normally opened solenoid directional control valve of bi-bit bi-pass.
Overturning oil cylinder rod chamber hydraulic fluid port installs one-way throttle valve respectively after described, and one-way overflow valve has with rear turnover door oil cylinder
Rod cavity connects, and for adjusting the speed of two oil cylinders, ensures the synchronism of hydraulic system action.
The operation method of independent sequential control component, discharging described in a kind of operation method of above-mentioned dustbin hydraulic system
The operation method of independent sequential control component described in journey,
Back door and rear turnover door are opened：Quick-release connector is attached with compartment removable garbage truck power unit, by hydraulic pressure
Ball valve is adjusted to opening, and the normally closed stroke valve of bi-bit bi-pass is in normally off, and the normally opened stroke valve of bi-bit bi-pass is in normally opened
State；Turnover door oil cylinder rodless cavity oil-feed afterwards, piston rod is promoted to stretch out, after piston rod is fully extended, triggering bi-bit bi-pass is normally closed
Stroke valve contact, the normally closed stroke valve of bi-bit bi-pass are converted to unlatching by closing, now back door locking cylinder rod chamber oil-feed, piston
Bar is retracted, and back door is opened, and the normally opened stroke valve contact of triggering bi-bit bi-pass is opened at back door, and the normally opened stroke valve of bi-bit bi-pass has unlatching to turn
It is changed to closure state.
Back door and rear turnover door are closed：The normally closed stroke valve of bi-bit bi-pass is in opening, the normally opened stroke valve of bi-bit bi-pass
In closure state；Back door locking cylinder rodless cavity oil-feed, piston rod is promoted to stretch out, after piston rod is fully extended, back door is closed,
The normally opened stroke valve contact of bi-bit bi-pass is triggered, the normally opened stroke valve of bi-bit bi-pass has closure to be converted to opening, then overturn afterwards
Door cylinder rod chamber oil-feed, piston rod are retracted, and rear turnover door is closed, the normally closed stroke valve contact of triggering bi-bit bi-pass, bi-bit bi-pass
Normally closed stroke valve is converted to closure state by opening.
It may also include docking operation：Turnover door is opened afterwards：Quick-release connector is carried out with compartment removable garbage truck power unit
Connection, hydraulic ball valve is adjusted to closed mode, the back door locking cylinder of dustbin and is failure to actuate, and back door is always maintained at locking shape
State, rear turnover door oil cylinder rodless cavity oil-feed, piston rod is promoted to stretch out, rear turnover door is opened, and dustbin docks with compressor station；
Turnover door is closed afterwards：Dustbin separates with compressor station after the completion of charging, and rear turnover door cylinder rod chamber enters oily piston
Bar is retracted, and rear turnover door is closed；
So far a working cycles are completed.
Advantage of the present invention：
1. the independent control and sequential control of hydraulic system are realized using hydraulic ball valve and stroke valve, simple to operate,
It is stable and reliable in work；
2. overturning oil cylinder rod chamber hydraulic fluid port installs one-way throttle valve respectively after, for adjusting the speed of two oil cylinders, ensures
The synchronism of hydraulic system action；
3. ensureing back door reliable lock using bidirectional hydraulic lock, Bidirectional balanced valve ensures that back door opens and closes stationarity；
4. connect vehicle power unit using quick-release connector, it is possible to achieve casing is general with various chassis, improves rubbish
Case frequency of use, effectively lifts garbage treatment efficiency.
[brief description of the drawings]
Fig. 1 is the dustbin hydraulic system principle figure of the present invention
Description of reference numerals in figure
1- hydraulic ball valves, 2- one-way throttle valves, 3- locking cylinders, turnover door oil cylinder after 4-, 5- hydraulic quick connectors, 6- are double
To hydraulic lock, 7- Bidirectional balanced valves, the normally closed stroke valve of 8- bi-bit bi-pass, the normally opened stroke valve of 9- bi-bit bi-pass.
[embodiment]
Technical scheme is further elaborated in conjunction with drawings and Examples, it is believed that to those skilled in the art
For be clear.
As shown in figure 1, a kind of dustbin hydraulic system, it includes, hydraulic quick connector 5, back door locking cylinder 3, after turn over
Revolving door oil cylinder 4, hydraulic ball valve 1, one-way throttle valve 2, bidirectional hydraulic lock 6, Bidirectional balanced valve 7, the normally closed stroke 8 of bi-bit bi-pass, two
The position normally opened stroke valve 9 of two-way.Hydraulic ball valve 1 is connected with the rod chamber of back door locking cylinder 3, one-way overflow valve 2 and rear turnover door oil
The rod chamber of cylinder 1 connects, and the normally closed stroke valve 8 of bi-bit bi-pass is connected with the rodless cavity of back door locking cylinder 3, the one end of bidirectional hydraulic lock 6 and
Hydraulic ball valve 1 and the normally closed stroke 8 of bi-bit bi-pass are connected, and the other end is connected with hydraulic quick connector 5, the one end of Bidirectional balanced valve 7 with
The rodless cavity of turnover door oil cylinder 4 and the normally opened stroke valve 9 of bi-bit bi-pass are connected afterwards, and the other end is connected with hydraulic quick connector 5；
Quick-release connector 5 is attached with compartment removable garbage truck power unit；
The normally closed contact of stroke valve 8 of bi-bit bi-pass is installed at rear turnover door oil cylinder 4.
The normally opened contact of stroke valve 9 of bi-bit bi-pass is installed at door lock locking oil cylinder 3.
One-way throttle valve 2 is installed on the rear rod chamber of turnover door oil cylinder 4, for adjusting the synchronization of two oil cylinders.
Hydraulic ball valve 1 can use bi-bit bi-pass hand-operated direction valve or two-position two-way electromagnetic directional valve.
The normally closed stroke valve 8 of bi-bit bi-pass can use the normally closed hand-operated direction valve of bi-bit bi-pass or use bi-bit bi-pass
Normally closed solenoid directional control valve.
The normally opened stroke valve 9 of bi-bit bi-pass can use the normally opened hand-operated direction valve of bi-bit bi-pass or use bi-bit bi-pass
Normally opened solenoid directional control valve.
Docking operation：
Turnover door is opened afterwards：Quick-release connector 5 is attached with compartment removable garbage truck power unit, by hydraulic ball valve 1
Adjust to closed mode, the back door locking cylinder 3 of dustbin and be failure to actuate, back door is always maintained at locking state, rear turnover door oil cylinder 4
Rodless cavity oil-feed, piston rod is promoted to stretch out, rear turnover door is opened, and dustbin docks with compressor station；
Turnover door is closed afterwards：Dustbin separates with compressor station after the completion of charging, and the rear rod chamber of turnover door oil cylinder 4 enters oily piston
Bar is retracted, and rear turnover door is closed；
Discharge process：
Back door and rear turnover door are opened：
Quick-release connector 5 is attached with compartment removable garbage truck power unit, and hydraulic ball valve 1 is adjusted to opening state
State, the normally closed stroke valve 8 of bi-bit bi-pass are in normally off, and the normally opened stroke valve 9 of bi-bit bi-pass is in normally open；Turnover door oil afterwards
The rodless cavity oil-feed of cylinder 4, piston rod is promoted to stretch out, after piston rod is fully extended, the normally closed contact of stroke valve 8 of triggering bi-bit bi-pass, two
The position normally closed stroke valve 8 of two-way is converted to unlatching by closure, and the now rod chamber oil-feed of back door locking cylinder 3, piston rod is retracted, back door
Open, the normally opened contact of stroke valve 9 of triggering bi-bit bi-pass is opened at back door, and the normally opened stroke valve 9 of bi-bit bi-pass has unlatching to be converted to closure
State.
Back door and rear turnover door are closed：
The normally closed stroke valve 8 of bi-bit bi-pass is in opening, and the normally opened stroke valve 9 of bi-bit bi-pass is in closure state；Back door
The rodless cavity oil-feed of locking cylinder 3, piston rod is promoted to stretch out, after piston rod is fully extended, back door is closed, and triggering bi-bit bi-pass is normally opened
The contact of stroke valve 9, the normally opened stroke valve 9 of bi-bit bi-pass have closure to be converted to opening, and then the rear rod chamber of turnover door oil cylinder 4 enters
Oil, piston rod are retracted, and rear turnover door is closed, the normally closed contact of stroke valve 8 of triggering bi-bit bi-pass, the normally closed stroke valve 8 of bi-bit bi-pass by
Unlatching is converted to closure state.
So far a working cycles are completed.
Claims (6)
1. a kind of dustbin hydraulic system, including hydraulic quick connector, back door locking cylinder, rear turnover door oil cylinder, its feature exist
In described that hydraulic ball valve, the normally closed stroke of bi-bit bi-pass are individually provided with sequential control component provided with independent sequential control component
The normally opened stroke valve of valve, bi-bit bi-pass, the normally closed stroke valve contact of bi-bit bi-pass are installed at rear turnover door oil cylinder, bi-bit bi-pass
Normally opened stroke valve contact is installed at the locking cylinder of back door；One end of the hydraulic ball valve connects with back door locking cylinder rod chamber
Connect, one end of the normally closed stroke valve of bi-bit bi-pass is connected with back door locking cylinder rodless cavity, hydraulic ball valve and the normally closed row of bi-bit bi-pass
The other end of journey valve is connected with hydraulic quick connector jointly, one end of Bidirectional balanced valve and rear turnover door oil cylinder rodless cavity and two
The normally opened stroke valve connection of two-way, the other end of Bidirectional balanced valve are connected with hydraulic quick connector, and the quick-release connector connects vehicle
Power unit.
2. a kind of dustbin hydraulic system as claimed in claim 1, it is characterised in that back door lock is ensured by bidirectional hydraulic lock
Tight reliable, one end of the bidirectional hydraulic lock is connected with hydraulic ball valve and the normally closed stroke valve of bi-bit bi-pass, bidirectional hydraulic lock it is another
One end is connected with hydraulic quick connector.
3. a kind of dustbin hydraulic system as claimed in claim 1, it is characterised in that hydraulic ball valve is manual using bi-bit bi-pass
Reversal valve or two-position two-way electromagnetic directional valve；The normally closed stroke valve of bi-bit bi-pass uses the normally closed hand-operated direction valve of bi-bit bi-pass or two
The normally closed solenoid directional control valve of two-way；The normally opened stroke valve of bi-bit bi-pass is normally opened using the normally opened hand-operated direction valve of bi-bit bi-pass or bi-bit bi-pass
Solenoid directional control valve.
A kind of 4. dustbin hydraulic system as claimed in claim 1, it is characterised in that overturning oil cylinder rod chamber hydraulic fluid port after described
One-way throttle valve is installed respectively, one-way overflow valve is connected with rear turnover door cylinder rod chamber, for adjusting the speed of two oil cylinders,
Ensure the synchronism of hydraulic system action.
5. a kind of operation method of dustbin hydraulic system as claimed in claim 1, it is characterised in that single described in discharge process
The operation method of only sequential control component,
Back door and rear turnover door are opened：Quick-release connector is attached with compartment removable garbage truck power unit, by hydraulic ball valve
Adjust to opening, the normally closed stroke valve of bi-bit bi-pass is in normally off, and the normally opened stroke valve of bi-bit bi-pass is in normally open；
Turnover door oil cylinder rodless cavity oil-feed afterwards, promote piston rod to stretch out, after piston rod is fully extended, trigger the normally closed stroke valve of bi-bit bi-pass
Contact, the normally closed stroke valve of bi-bit bi-pass are converted to unlatching by closing, now back door locking cylinder rod chamber oil-feed, piston rod contracting
Return, back door is opened, and the normally opened stroke valve contact of triggering bi-bit bi-pass is opened at back door, and the normally opened stroke valve of bi-bit bi-pass is converted to by opening
Closure state；
Back door and rear turnover door are closed：The normally closed stroke valve of bi-bit bi-pass is in opening, and the normally opened stroke valve of bi-bit bi-pass is in
Closure state；Back door locking cylinder rodless cavity oil-feed, piston rod is promoted to stretch out, after piston rod is fully extended, back door is closed, triggering
The normally opened stroke valve contact of bi-bit bi-pass, the normally opened stroke valve of bi-bit bi-pass are converted to opening by closing, then rear turnover door oil
Cylinder rod chamber oil-feed, piston rod are retracted, and rear turnover door is closed, the normally closed stroke valve contact of triggering bi-bit bi-pass, and bi-bit bi-pass is normally closed
Stroke valve is converted to closure state by opening.
6. the operation method of dustbin hydraulic system as claimed in claim 5, it is characterised in that a complete working cycles bag
Include：Turnover door is opened afterwards：Quick-release connector is attached with compartment removable garbage truck power unit, and hydraulic ball valve is adjusted to pass
Closed state, the back door locking cylinder of dustbin are failure to actuate, and back door is always maintained at locking state, and rear turnover door oil cylinder rodless cavity enters
Oil, piston rod is promoted to stretch out, rear turnover door is opened, and dustbin docks with compressor station；Turnover door is closed afterwards：Rubbish after the completion of charging
Case is separated with compressor station, and rear turnover door cylinder rod chamber oil-feed piston rod is retracted, and rear turnover door is closed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610176448.8A CN105757035B (en) | 2016-03-25 | 2016-03-25 | A kind of dustbin hydraulic system and its operation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610176448.8A CN105757035B (en) | 2016-03-25 | 2016-03-25 | A kind of dustbin hydraulic system and its operation method |
Publications (2)
| Publication Number | Publication Date |
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| CN105757035A CN105757035A (en) | 2016-07-13 |
| CN105757035B true CN105757035B (en) | 2017-12-22 |
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| CN201610176448.8A Active CN105757035B (en) | 2016-03-25 | 2016-03-25 | A kind of dustbin hydraulic system and its operation method |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106089827B (en) * | 2016-07-18 | 2017-11-17 | 福建龙马环卫装备股份有限公司 | A kind of hydraulic system of sunk garbage compression station |
| CN110220417B (en) * | 2019-05-28 | 2023-08-22 | 陕西雷神智能装备有限公司 | Container type weapon station system for regional defense arrangement and load platform control method |
| CN110220420B (en) * | 2019-05-28 | 2023-08-22 | 陕西雷神智能装备有限公司 | Container type weapon station capable of being rapidly and automatically distributed and controlled and load platform control method |
| CN117920980B (en) * | 2024-03-21 | 2024-06-11 | 中国机械总院集团云南分院有限公司 | Control method of synchronous jacking device of automatic demolding oil cylinder for nonferrous metal ingot casting |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19526909A1 (en) * | 1995-07-22 | 1997-01-23 | Rexroth Mannesmann Gmbh | Hydraulic drive, e.g. for rubbish compacting vehicle |
| CN2300752Y (en) * | 1997-01-08 | 1998-12-16 | 唐山钢铁集团有限责任公司 | Hydraulic cylinder load balance locking device |
| CN101324244B (en) * | 2008-07-01 | 2012-03-07 | 南通市南方润滑液压设备有限公司 | Hydraulic system of back cavity proportionality velocity modulation garbage disposal apparatus |
| CN203285770U (en) * | 2013-06-03 | 2013-11-13 | 北京精海仪机电设备有限公司 | Hydraulic integrated control device of sweeping truck |
| CN103964109B (en) * | 2014-05-07 | 2016-05-11 | 海沃机械（中国）有限公司 | A kind of control system of garbage transfer station compression device and control method |
| CN105236051B (en) * | 2015-11-04 | 2018-05-22 | 湖北精功科技有限公司 | Controlling device for doors is switched for the self-dumping garbage truck of double swing doors |
| CN205478631U (en) * | 2016-03-25 | 2016-08-17 | 上海龙澄专用车辆有限公司 | Dustbin hydraulic system |
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2016
- 2016-03-25 CN CN201610176448.8A patent/CN105757035B/en active Active
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| CN105757035A (en) | 2016-07-13 |
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Address after: No.1, No.2 and No.4 factory buildings, No.818, Xinji Road, industrial park, Qingpu District, Shanghai, 201707 Patentee after: Shanghai Longcheng Environment Group Co.,Ltd. Address before: No.1, No.2 and No.4 factory buildings, No.818, Xinji Road, industrial park, Qingpu District, Shanghai, 201707 Patentee before: SHANGHAI LOEP SPECIAL PURPOSE VEHICLE Co.,Ltd. |