CN108263794A - A kind of self-dumping garbage truck control method and its control system - Google Patents
A kind of self-dumping garbage truck control method and its control system Download PDFInfo
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- CN108263794A CN108263794A CN201711178284.3A CN201711178284A CN108263794A CN 108263794 A CN108263794 A CN 108263794A CN 201711178284 A CN201711178284 A CN 201711178284A CN 108263794 A CN108263794 A CN 108263794A
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- rear cover
- hydraulic cylinder
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- cylinder
- solenoid directional
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65F—GATHERING OR REMOVAL OF DOMESTIC OR LIKE REFUSE
- B65F3/00—Vehicles particularly adapted for collecting refuse
- B65F3/24—Vehicles particularly adapted for collecting refuse with devices for unloading the tank of a refuse vehicle
- B65F3/28—Vehicles particularly adapted for collecting refuse with devices for unloading the tank of a refuse vehicle by a lengthwise movement of a wall, e.g. a plate, a piston, or the like
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- Mechanical Engineering (AREA)
- Refuse-Collection Vehicles (AREA)
Abstract
A kind of self-dumping garbage truck control method and its control system are powered, while electromagnetic relief valve is closed by controller control locking cylinder solenoid directional control valve, start locked hydraulic cylinder work, drive locking body movement, and the locking body covered after will bear against is detached from rear cover；By the power-off of locking cylinder solenoid directional control valve, electromagnetic relief valve is connected, rear cover cylinder solenoid directional control valve is powered, rear cover hydraulic cylinder is in unloading condition at this time, hydraulic circuit is in an ON state, therefore rear cover hydraulic cylinder is in a kind of state of retractable, the rear cover being attached thereto also will be in a kind of state to freely swing；Then hydraulic system is set up into normal oil pressure, driving rear cover, which is opened, carries out normal discharging.The present invention is in water-bearing media when going out rear cover with carriage body frame gap, rear cover can freely swing back and forth under the impact of water, the prior art is avoided since rear cover is opened slowly, direct impact of the water-bearing media of interior to rear cover, the long-time leakproofness of vehicle is greatly improved, reduces environmental pollution.
Description
Technical field
The present invention relates to a kind of self-dumping garbage truck control method, specifically a kind of self-dumping garbage truck rear cover controlling party
Method and its control system.
Background technology
Self-dumping garbage truck at present is made of the part such as special-purpose automobile chassis, self-dumping garbage truck babinet, control system.
Suitable for concentrating environmental sanitation, municipal administration, industrial enterprise, property plots, rubbish more residential block, avenue garbage disposal, Gao Han
Aqueous medium transports, and has sealing self-unloading function, and hydraulic operation dumps convenient garbage.
Self-dumping garbage truck utilizes automobile chassis power drive hydraulic pump, and the allocated valve of high pressure oil, oil pipe enter rear cover and open
Hydraulic cylinder, lifting hydraulic cylinder are opened, piston rod is pushed to open rear cover, carriage from overturning, piston rod movement is controlled by control system,
Complete rear cover switch and carriage lifting action.
For existing self-dumping garbage truck when delivering high water-containing medium discharging, the course of work of control system is as follows：Control
Device processed controlled locking cylinder solenoid directional control valve to be powered before this, while electromagnetic relief valve is allowed to close（Default oil pressure is established during closing, and is connect
Logical is that the high pressure exported from hydraulic gear pump is passed straight back in hydraulic oil container and plays the role of overflow）, hydraulic gear pump
The high pressure liquid pressure oil extracted from hydraulic oil container is entered by the corresponding valve port of locking cylinder solenoid directional control valve in locked hydraulic cylinder, is driven
Hydraulic cylinder piston is inwardly retracted, and hydraulic cylinder drives locking body movement, and the locking body covered after will bear against is detached from rear cover, later,
Controller control locking cylinder solenoid directional control valve power-off, electromagnetic relief valve are connected, then rear cover cylinder solenoid directional control valve are powered again, electricity
Magnetic overflow valve is closed, and rear cover hydraulic cylinder piston rod stretches out under the driving of high pressure liquid pressure oil, is driven integrally welded with rear cover
Rear cover oil cylinder seat pushes rear cover to be rotated along rear cover hinged-support, opens rear cover slowly, the rubbish in compartment is behind compartment
Appointed place is discharged at cover gab；This be for the rubbish water-bearing media of loading it is seldom in the case of, but general rubbish contains
Water is larger, in compartment accumulate convergence, when discharging also press the above process when, locked hydraulic cylinder piston retract, locking body with
The moment that rear cover is detached from, the water-bearing media of interior will be gone out along the gap between compartment and rear cover under gravity,
Can be because of rear cover hydraulic cylinder at this point, since rear cover hydraulic cylinder remains static, while water-bearing media covers after the blow it is static
And larger impact is caused to rear cover, it uses under such conditions for a long time, the deformation of rear cover sealed frame is larger, can not ensure normal
Leakproofness causes vehicle to reveal, and influences compartment leakproofness, causes environmental pollution.
Invention content
Technical problem solved by the invention is to provide a kind of self-dumping garbage truck control method, after solving well
The problem of lid deformation.
The present invention also aims to provide for the control system of above-mentioned self-dumping garbage truck control method.
The self-dumping garbage truck control method of the present invention includes the following steps：
Step 1）It is powered, while electromagnetic relief valve is closed by controller control locking cylinder solenoid directional control valve, hydraulic gear pump is from liquid
The high pressure liquid pressure oil that pressure oil case extracts is entered by the corresponding valve port of locking cylinder solenoid directional control valve in locked hydraulic cylinder, starts locking
Hydraulic cylinder works, driving locked hydraulic cylinder piston are inwardly retracted, and locked hydraulic cylinder drives locking body movement, is covered after will bear against
Locking body is detached from rear cover；
Step 2）The power-off of locking cylinder solenoid directional control valve, electromagnetic relief valve are connected（In overflow unloading condition）, rear cover cylinder electromagnetism
Reversal valve is powered, since rear cover hydraulic cylinder is in unloading condition, and hydraulic circuit is in an ON state at this time, therefore rear cover hydraulic pressure
Cylinder is in a kind of state of retractable, and the rear cover being attached thereto also will be in a kind of state to freely swing；
Step 3）After 5 seconds, electromagnetic relief valve is closed, rear cover cylinder solenoid directional control valve opening, hydraulic system sets up normal oil
Pressure, driving rear cover hydraulic cylinder, which stretches out slowly to open rear cover, carries out conventional discharging.
The control system of self-dumping garbage truck control method of the present invention, including compartment, rear cover, hydraulic system, the compartment
Rear end the rear cover is installed, be installed with rear cover hinged-support between the top upper surface in the compartment, cover in the rear
Two sides upper end be separately installed with a rear cover oil cylinder seat, be equipped in the both sides in compartment one connect with rear cover oil cylinder seat after
Lid hydraulic cylinder；A locking body is respectively equipped in the both sides junction lower end of the compartment and rear cover, each locking body passes through
The locked hydraulic cylinder is connect with loaded on the fixed seat on compartment；The hydraulic system includes hydraulic oil container, hydraulic gear pump warp
Oil circuit is connected respectively with rear cover hydraulic cylinder, locked hydraulic cylinder, and rear cover cylinder is housed between hydraulic gear pump and rear cover hydraulic cylinder
Solenoid directional control valve is equipped with locking cylinder solenoid directional control valve between hydraulic gear pump and locked hydraulic cylinder；The oil circuit includes oil inlet
Pipeline, oil return line are equipped with electromagnetic relief valve on oil return line；Further include control locking cylinder solenoid directional control valve, a rear cover
Cylinder solenoid directional control valve, the controller of electromagnetic relief valve work.
Rear cover hinged-support of the present invention includes fixed part and movable part, and fixed part is fixed on compartment top upper surface
On, it is connected between movable part and the rear cover for contact, passes through activity pin connection between fixed part and movable part.
Locking body of the present invention includes bearing and tight lock part, and tight lock part is Z-shaped structure, and there is claw in tight lock part front end,
Bearing and tight lock part are connected to the tail end of tight lock part by rotating axis connection, the locked hydraulic cylinder.
The quantity of the rear cover hinged-support is at least one.
The rear cover edge is equipped with double-layer seal item.
Beneficial effects of the present invention：In water-bearing media when going out rear cover with carriage body frame gap, rear cover can be freely in water
Impact under swing back and forth, avoid the prior art since rear cover is opened slow, the water-bearing media of interior is to the straight of rear cover
Impact is connect, the long-time leakproofness of vehicle is greatly improved, reduces environmental pollution.
Description of the drawings
Fig. 1 is the structure diagram of self-dumping garbage truck rear cover sealing mechanism；
Fig. 2 is the hydraulic system principle figure of self-dumping garbage truck rear cover sealing mechanism.
In figure：Rear cover hinged-support -1；Compartment -2；Rear cover oil cylinder seat -3；Rear cover hydraulic cylinder -4；Rear cover -5；Locked hydraulic cylinder-
6；Locking body -7；Hydraulic oil container -8；Hydraulic gear pump -9；Locking cylinder solenoid directional control valve -10；Rear cover cylinder solenoid directional control valve -11；Electricity
Magnetic overflow valve -12；Controller -13.
Specific embodiment
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, tie below
Conjunction is specifically illustrating, and the present invention is further explained.
Embodiment：As shown in Figure 1, self-dumping garbage truck rear cover sealing mechanism is made by the retraction of rear cover hydraulic cylinder 4
Rear cover oil cylinder seat 3 drives rear cover 5 to be compressed with 2 frame of compartment, then is stretched out by locked hydraulic cylinder 6, drives locking body 7 by rear cover 5
It is tightly compacted with compartment 2, and 5 upper edge rear cover surrounding of rear cover is equipped with double-layer seal item, the frame of this sealing strip and compartment 2 is close
Pressing reaches the function of sealing and anti-leakage.
As shown in Fig. 2, including hydraulic oil container 8, hydraulic gear pump 9 through oil circuit respectively with rear cover hydraulic cylinder 4, locked hydraulic cylinder
6 are connected, equipped with rear cover cylinder solenoid directional control valve 11 between hydraulic gear pump 9 and rear cover hydraulic cylinder 4, hydraulic gear pump 9 with
Locking cylinder solenoid directional control valve 10 is housed between locked hydraulic cylinder 6；The oil circuit includes oil inlet pipe, oil return line, in oil return pipe
Road further includes control locking cylinder solenoid directional control valve 10, rear cover cylinder solenoid directional control valve 11, an electromagnetism equipped with electromagnetic relief valve 12
The controller that overflow valve 12 works.
And controller 13 is powered, while electromagnetic relief valve 12 is closed in control locking cylinder solenoid directional control valve 10, mekydro
The high pressure liquid pressure oil that pump 9 is extracted from hydraulic oil container 8 enters locked hydraulic cylinder 6 by 10 corresponding valve port of locking cylinder solenoid directional control valve
Interior, driving hydraulic cylinder piston is inwardly retracted, and hydraulic cylinder drives locking body 7 to move, the locking body 7 covered after will bear against and rear cover 5
It is detached from, then, immediately powers off locking cylinder solenoid directional control valve 10, electromagnetic relief valve 12 is connected（In overflow unloading condition）, after
Lid cylinder solenoid directional control valve 11 is powered, since rear cover hydraulic cylinder 4 is in hydraulic circuit because electromagnetic relief valve is direct by hydraulic oil at this time
The unloading condition of hydraulic return fuel tank, and hydraulic circuit is in an ON state, therefore rear cover hydraulic cylinder 4 is in one kind and can freely stretch
By in a kind of state to freely swing, rear cover 5 and compartment also are being gone out in water-bearing media for the state of contracting, the rear cover being attached thereto
During 2 frame gap, rear cover 5 can have been laid down this to rear cover 5 freely under the impact of water along 1 reciprocally swinging of rear cover hinged-support
Direct impact force, this control process again close electromagnetic relief valve 12 after being kept for 5 seconds, and hydraulic system sets up normal oil pressure,
Rear cover hydraulic cylinder 4 can be driven to stretch out, rear cover is opened to the normal discharging of progress slowly, this control process avoids rear cover by compartment
The impact of interior water-bearing media.
Claims (4)
1. a kind of self-dumping garbage truck control method, it is characterised in that：
Step 1）By controller（13）Control locking cylinder solenoid directional control valve（10）It is powered, while electromagnetic relief valve（12）It closes, liquid
The high pressure liquid pressure oil that knob wheel pump is extracted from hydraulic oil container passes through locking cylinder solenoid directional control valve（10）Corresponding valve port enters locking
Hydraulic cylinder（6）It is interior, start locked hydraulic cylinder（6）Work, driving locked hydraulic cylinder piston are inwardly retracted, locked hydraulic cylinder（6）Band
Dynamic locking body（7）Movement, the locking body covered after will bear against（7）It is detached from rear cover；
Step 2）By locking cylinder solenoid directional control valve（10）Power-off, electromagnetic relief valve（12）It connects in overflow unloading condition, rear cover
Cylinder solenoid directional control valve（11）It is powered, due to rear cover hydraulic cylinder at this time（4）In unloading condition, and hydraulic circuit is in and connects shape
State, therefore rear cover hydraulic cylinder（4）In a kind of state of retractable, the rear cover being attached thereto will also freely swing in one kind
State；
Step 3）After 5 seconds, by electromagnetic relief valve（12）It closes, rear cover cylinder solenoid directional control valve（11）It opens, hydraulic system is established
Normal oil pressure is played, drives rear cover hydraulic cylinder（4）It stretches out slowly to open rear cover and carries out discharging.
2. it is a kind of for a kind of control system of self-dumping garbage truck control method described in claim 1, it is characterized in that：Including
Compartment（2）, rear cover（5）, hydraulic system, it is characterized in that：The compartment（2）Rear end the rear cover is installed（5）, the compartment
（2）Top upper surface between be installed with rear cover hinged-support（1）, cover in the rear（5）Two sides upper end install respectively
There is a rear cover oil cylinder seat（3）, in compartment（2）Both sides be equipped with one and rear cover oil cylinder seat（3）The rear cover hydraulic cylinder of connection
（4）；In the compartment（2）And rear cover（5）Both sides junction lower end be respectively equipped with a locking body（7）, each locking body（7）
Pass through the locked hydraulic cylinder（6）With loaded on compartment（2）On fixed seat connection；The hydraulic system includes hydraulic oil container
（8）, hydraulic gear pump（9）Through oil circuit respectively with rear cover hydraulic cylinder（4）, locked hydraulic cylinder（6）It is connected, in hydraulic gear pump
（9）With rear cover hydraulic cylinder（4）Between be equipped with rear cover cylinder solenoid directional control valve（11）, in hydraulic gear pump（9）With locked hydraulic cylinder（6）
Between be equipped with locking cylinder solenoid directional control valve（10）；The oil circuit includes oil inlet pipe, oil return line, equipped with electricity on oil return line
Magnetic overflow valve（12）；Further include a control locking cylinder solenoid directional control valve（10）, rear cover cylinder solenoid directional control valve（11）, electromagnetism overflow
Valve（12）The controller of work（13）.
3. a kind of self-dumping garbage truck rear cover control system according to claim 2, it is characterized in that：The rear cover hinged-support
（1）Including fixed part and movable part, fixed part is fixed on the compartment（2）On the upper surface of top, movable part and the rear cover（5）
Between for contact connect, pass through activity pin connection between fixed part and movable part.
4. a kind of self-dumping garbage truck rear cover control system according to claim 2, it is characterized in that：The locking body（7）
Including bearing and tight lock part, tight lock part is Z-shaped structure, and there is claw in tight lock part front end, and bearing and tight lock part are connected by rotary shaft
It connects, the locked hydraulic cylinder（6）It is connected to the tail end of tight lock part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711178284.3A CN108263794B (en) | 2017-11-23 | 2017-11-23 | Self-unloading garbage truck control method and control system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711178284.3A CN108263794B (en) | 2017-11-23 | 2017-11-23 | Self-unloading garbage truck control method and control system thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108263794A true CN108263794A (en) | 2018-07-10 |
| CN108263794B CN108263794B (en) | 2020-05-19 |
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ID=62771710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711178284.3A Active CN108263794B (en) | 2017-11-23 | 2017-11-23 | Self-unloading garbage truck control method and control system thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108263794B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109132289A (en) * | 2018-09-14 | 2019-01-04 | 湖北润力专用汽车有限公司 | A kind of recloser for sludge transport vehicle rear cover |
| CN109230093A (en) * | 2018-08-13 | 2019-01-18 | 福建龙马环卫装备股份有限公司 | A kind of anti-spillage dropping control device of garbage truck sewage |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2319258Y (en) * | 1997-11-21 | 1999-05-19 | 湖北江山机械厂 | Hydraulic safety protecting appts. of tank type self-discharging lorry |
| CN201849373U (en) * | 2010-10-29 | 2011-06-01 | 包头北奔重型汽车有限公司 | Locking mechanism for back door of self-dumping truck |
| CN205117040U (en) * | 2015-11-11 | 2016-03-30 | 十堰市驰田汽车有限公司 | Carriage back door hydraulic pressure switching system |
| CN105909110A (en) * | 2016-06-01 | 2016-08-31 | 江阴市卡利格机械有限公司 | Automatic opening and locking mechanism for carriage backdoor of trackless rubber-tyred car |
| CN206317728U (en) * | 2016-11-29 | 2017-07-11 | 中国重汽集团湖北华威专用汽车有限公司 | A kind of backdoor hydraulic locking device of dumper |
-
2017
- 2017-11-23 CN CN201711178284.3A patent/CN108263794B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2319258Y (en) * | 1997-11-21 | 1999-05-19 | 湖北江山机械厂 | Hydraulic safety protecting appts. of tank type self-discharging lorry |
| CN201849373U (en) * | 2010-10-29 | 2011-06-01 | 包头北奔重型汽车有限公司 | Locking mechanism for back door of self-dumping truck |
| CN205117040U (en) * | 2015-11-11 | 2016-03-30 | 十堰市驰田汽车有限公司 | Carriage back door hydraulic pressure switching system |
| CN105909110A (en) * | 2016-06-01 | 2016-08-31 | 江阴市卡利格机械有限公司 | Automatic opening and locking mechanism for carriage backdoor of trackless rubber-tyred car |
| CN206317728U (en) * | 2016-11-29 | 2017-07-11 | 中国重汽集团湖北华威专用汽车有限公司 | A kind of backdoor hydraulic locking device of dumper |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109230093A (en) * | 2018-08-13 | 2019-01-18 | 福建龙马环卫装备股份有限公司 | A kind of anti-spillage dropping control device of garbage truck sewage |
| CN109230093B (en) * | 2018-08-13 | 2024-03-22 | 福龙马集团股份有限公司 | Anti-sprinkling device for sewage of garbage truck |
| CN109132289A (en) * | 2018-09-14 | 2019-01-04 | 湖北润力专用汽车有限公司 | A kind of recloser for sludge transport vehicle rear cover |
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| Publication number | Publication date |
|---|---|
| CN108263794B (en) | 2020-05-19 |
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