CN108361233A - A kind of filling compaction control system and rear-loading compression type garbage truck - Google Patents
A kind of filling compaction control system and rear-loading compression type garbage truck Download PDFInfo
- Publication number
- CN108361233A CN108361233A CN201810350512.9A CN201810350512A CN108361233A CN 108361233 A CN108361233 A CN 108361233A CN 201810350512 A CN201810350512 A CN 201810350512A CN 108361233 A CN108361233 A CN 108361233A
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- push plate
- oil
- plate oil
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- 230000006835 compression Effects 0.000 title claims abstract description 44
- 238000007906 compression Methods 0.000 title claims abstract description 44
- 239000010813 municipal solid waste Substances 0.000 title claims abstract description 43
- 238000005056 compaction Methods 0.000 title claims abstract description 30
- 238000011068 loading method Methods 0.000 title claims abstract description 28
- 238000000605 extraction Methods 0.000 claims abstract description 19
- 238000005452 bending Methods 0.000 abstract 1
- 238000012856 packing Methods 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 89
- 230000000694 effects Effects 0.000 description 5
- 230000007246 mechanism Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000010727 cylinder oil Substances 0.000 description 2
- 239000010791 domestic waste Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000010297 mechanical methods and process Methods 0.000 description 1
- 230000005226 mechanical processes and functions Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
Classifications
-
- 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
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor 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
- B65F3/00—Vehicles particularly adapted for collecting refuse
- B65F3/14—Vehicles particularly adapted for collecting refuse with devices for charging, distributing or compressing refuse in the interior of the tank of a refuse vehicle
-
- 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
- F15B20/00—Safety arrangements for fluid actuator systems; Applications of safety devices in fluid actuator systems; Emergency measures for fluid actuator systems
- F15B20/007—Overload
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Refuse-Collection Vehicles (AREA)
Abstract
The invention discloses a kind of filling compaction control systems, including:The rodless cavity of multistage push plate oil cylinder and scraper plate oil cylinder, multistage push plate oil cylinder is connected with overflow valve, for the oil extraction pressure release when oil pressure reaches the first preset pressure;The rodless cavity of multistage push plate oil cylinder is also associated with external control sequence valve, and external control sequence valve is for obtaining system pressure, for when compression pressure reaches the second preset pressure in system, the rodless cavity oil extraction pressure release of controlled stage push plate oil cylinder.Two different control valves are separately connected on multistage push plate oil cylinder; when reaching the first preset pressure; pass through overflow valve oil extraction; the piston rod of multistage push plate oil cylinder is enabled first inwardly to bounce back; prevent piston rod bending damage; when oil pressure is continued to lift up due to loading pressure in system; when reaching the second preset pressure; rubbish is packed at this time fully to compress; implement secondary oil extraction by external control sequence valve; it ensures that multi-stage oil cylinder obtains effective overload protection and loads the adequacy of garbage-compressing simultaneously, ensures packing efficiency.
Description
Technical field
The present invention relates to technical field of garbage disposal equipment, more specifically to a kind of filling compaction control system, also
It is related to a kind of rear-loading compression type garbage truck.
Background technology
Rear-loading compression type garbage truck is a kind of efficient special-purpose vehicle collected, transport rubbish, is collected, nothing is let out in transportational process
Leakage, the feature of environmental protection is good, and compression ratio is big, and high degree of automation, good reliability, service life is long, be suitable for town dweller area, community,
Large-scale factories and miness and the barreled of universities and colleges of organ, packed and bulk household waste receipts fortune.
Its structure is mainly by second-class chassis, carriage body, push plate, packer, scraping plate mechanism, sled mechanism, hydraulic system, electrical
The part such as control system forms.When loading rubbish operation, rubbish is packed into from compartment tail portion packer feeding port, through the primary of slide plate
After broken, scraper plate second-time breakage effect, is run up by slide plate and rubbish is pressed into inside carriage body.When unloading rubbish operation,
After the packer lifting in place of tail portion, rubbish is released using the push plate in carriage body.
On the basis of the above design, compression filling is designed as more in the compartment of mainstream at present, passes through what is be oppositely arranged
Push plate and scraper plate realize compression when filling, ensure charge weight and are convenient for subsequent processing.When filling, push plate rests on carriage body tail
Portion drives the oil cylinder of push plate all to stretch out at this time, and push plate is slowly retreated with the continuous compression of rubbish.
However the design of this more mainstream also suffers from certain drawbacks, and is Multi-stage cylinder due to generally using push plate cylinder,
When carrying out filling compression, oil extraction is realized in the general design using counterbalance valve, if the pressure setting of counterbalance valve is big, is be easy to cause and is pushed away
The flexural deformation of leaf fat cylinder piston rod, push plate cylinder service life reduction;If counterbalance valve pressure setting it is small, rubbish can press again it is unreal,
The small wasting space of Weight Loaded.
In conclusion the filling compressibility for how efficiently solving current rear-loading compression type garbage truck is difficult to take into account filling
The technical problem of amount and durability etc., is current those skilled in the art's urgent problem.
Invention content
In view of this, first of the present invention is designed to provide a kind of filling compaction control system, filling compression control
The filling compressibility that the structure design of system processed can efficiently solve current rear-loading compression type garbage truck is difficult to take into account filling
The technical problem of amount and durability etc., second object of the present invention are to provide a kind of including above-mentioned filling compaction control system
Rear-loading compression type garbage truck.
In order to reach above-mentioned first purpose, the present invention provides the following technical solutions:
A kind of filling compaction control system is used for rear-loading compression type garbage truck, including:
Multistage push plate oil cylinder is drivingly connected with push plate, and the push plate is set in compartment, is empty positioned at the compartment of holding freight
Between one end, for release unloading;
Scraper plate oil cylinder is drivingly connected with scraper plate, and the scraper plate is set in compartment, is located at the compartment space of holding freight
The other end, for compressing cargo into compartment;
The rodless cavity of the multistage push plate oil cylinder is connected with overflow valve, for the oil extraction when oil pressure reaches the first preset pressure
Pressure release;The rodless cavity of multistage push plate oil cylinder is also associated with external control sequence valve, and the external control sequence valve is used for obtaining system pressure
When compression pressure reaches the second preset pressure in system, the rodless cavity oil extraction pressure release of controlled stage push plate oil cylinder, described second
The numerical value of preset pressure is more than the numerical value of first preset pressure.
Preferably, in above-mentioned filling compaction control system, the external control sequence valve is specially that oil pressure sensing type external control is suitable
Sequence valve, control oil circuit are connected to the rodless cavity of the scraper plate oil cylinder, the oil pressure of the rodless cavity for picking up scraper plate oil cylinder.
Preferably, in above-mentioned filling compaction control system, first preset pressure is the multistage push plate oil cylinder
The critical retraction pressure of piston rod;Second preset pressure is the critical retraction of the rodless cavity of the piston rod of multistage push plate oil cylinder
Pressure.
Preferably, in above-mentioned filling compaction control system, the oil outlet of the external control sequence valve is communicated with oil return box.
Filling compaction control system provided by the invention is used for rear-loading compression type garbage truck, including:
Multistage push plate oil cylinder is drivingly connected with push plate, and the push plate is set in compartment, is empty positioned at the compartment of holding freight
Between one end, for release unloading;
Scraper plate oil cylinder is drivingly connected with scraper plate, and the scraper plate is set in compartment, is located at the compartment space of holding freight
The other end, for compressing cargo into compartment;
The rodless cavity of the multistage push plate oil cylinder is connected with overflow valve, for the oil extraction when oil pressure reaches the first preset pressure
Pressure release;The rodless cavity of multistage push plate oil cylinder is also associated with external control sequence valve, and the external control sequence valve is used for obtaining system pressure
When compression pressure reaches the second preset pressure in system, the rodless cavity oil extraction pressure release of controlled stage push plate oil cylinder, described second
The numerical value of preset pressure is more than the numerical value of first preset pressure.This filling compaction control system provided by the invention leads to
It crosses on the multistage push plate oil cylinder positioned at interior and is separately connected two different control valves, be respectively used in different pressure
Overflow in numberical range realizes being precisely controlled for multistage push plate oil cylinder with this;Specifically, when in-oil cylinder oil pressure reaches first in advance
If when pressure, by overflow valve oil extraction, the piston rod of multistage push plate oil cylinder being enabled first inwardly to bounce back, preventing from being packed into pressure due to compression
It is excessive that most thin piston rod is caused to bend damage, while working as oil pressure in system and it is pre- to reach second since filling pressure continues to lift up
If when pressure, being packed into rubbish at this time and having assert by fully compressing, cause multistage push plate oil cylinder due to continuing pressurization in order to prevent
Other cylinder bodies at different levels damages, secondary oil extraction pressure release is implemented by external control sequence valve, enable the cylinder bodies at different levels of multistage push plate oil cylinder according to
Secondary recycling.Ensure that the structure of multi-stage oil cylinder obtains effective pressure overload protection, and filling rubbish simultaneously by the design
The adequacy of compression, ensure that the efficiency of vehicle filling, and need not introduce other positions and pressure control device, simplify
The design and cost of system, the filling compressibility for efficiently solving current rear-loading compression type garbage truck are difficult to take into account filling
The technical problem of amount and durability etc..
In order to reach above-mentioned second purpose, the present invention also provides a kind of rear-loading compression type garbage truck, the rear dress compressions
Formula garbage truck includes push plate and the scraper plate being oppositely arranged in compartment and the compartment for loading and unloading, compressing cargo, further includes above-mentioned
Any filling compaction control system.Since above-mentioned filling compaction control system has above-mentioned technique effect, there is the filling
The rear-loading compression type garbage truck of compaction control system should also have corresponding technique effect.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Obtain other attached drawings according to these attached drawings.
Fig. 1 is the overall structure diagram of filling compaction control system provided in an embodiment of the present invention;
Fig. 2 is the partial structural diagram of filling compaction control system provided in an embodiment of the present invention.
It is marked in attached drawing as follows:
Multistage push plate oil cylinder 1, scraper plate oil cylinder 2, overflow valve 3, external control sequence valve 4, control oil circuit 5, oil return box 6, piston rod
7。
Specific implementation mode
The embodiment of the invention discloses a kind of filling compaction control systems, to solve the dress of current rear-loading compression type garbage truck
Compression system is tamped to be difficult to take into account the technical problem of loadings and durability etc..
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
It please refers to Fig.1, Fig. 2, Fig. 1 is the overall structure signal of filling compaction control system provided in an embodiment of the present invention
Figure;
Fig. 2 is the partial structural diagram of filling compaction control system provided in an embodiment of the present invention.
The filling compaction control system that the embodiment of the present invention provides is used for rear-loading compression type garbage truck, including:
Multistage push plate oil cylinder 1, is drivingly connected with push plate, and the push plate is set in compartment, positioned at the compartment of holding freight
The one end in space, for releasing unloading;
Scraper plate oil cylinder 2 is drivingly connected with scraper plate, and the scraper plate is set in compartment, is located at the compartment space of holding freight
The other end, for compressing cargo into compartment;
The rodless cavity of the multistage push plate oil cylinder 1 is connected with overflow valve 3, for being arranged when oil pressure reaches the first preset pressure
Oily pressure release;The rodless cavity of multistage push plate oil cylinder 1 is also associated with external control sequence valve 4, and the external control sequence valve 4 is for obtaining system pressure
Power, for when compression pressure reaches the second preset pressure in system, the rodless cavity oil extraction pressure release of controlled stage push plate oil cylinder to be described
The numerical value of second preset pressure is more than the numerical value of first preset pressure.
This filling compaction control system provided in this embodiment, by the multistage push plate oil cylinder 1 positioned at interior
On be separately connected two different control valves, be respectively used to the overflow in different pressure scales, realize that multistage pushes away with this
Leaf fat cylinder 1 is precisely controlled;Specifically, when in-oil cylinder oil pressure reaches the first preset pressure, by 3 oil extraction of overflow valve, enable
The first inside retraction of the piston rod 7 of multistage push plate oil cylinder 1, prevents that pressure is excessive to cause most thin piston rod 7 curved since compression is packed into
Lose bad, while oil pressure is continued to lift up due to filling pressure in the system, when reaching the second preset pressure, has been packed into rubbish at this time
Assert by fully compression, causes other cylinder body damages at different levels of multistage push plate oil cylinder 1 due to continuing pressurization in order to prevent, pass through
External control sequence valve 4 implements secondary oil extraction pressure release, and the cylinder bodies at different levels of multistage push plate oil cylinder 1 is enabled to recycle successively.Simultaneously by the design
It ensures that the structure of multi-stage oil cylinder obtains effective pressure overload protection, and the adequacy of filling garbage-compressing, ensure that vehicle
The efficiency of filling, and need not introduce other positions and pressure control device, simplify the design and cost of system, have
The filling compressibility for solving to effect current rear-loading compression type garbage truck is difficult to take into account the technology of loadings and durability etc. and asks
Topic.
To advanced optimize above-mentioned technical proposal, on the basis of the above embodiments preferably, above-mentioned filling compression control
In system processed, the external control sequence valve 4 is specially oil pressure sensing type external control sequence valve 4, control oil circuit 5 and the scraper plate oil cylinder
2 rodless cavity connection, the oil pressure of the rodless cavity for picking up scraper plate oil cylinder 2.
In technical solution provided in this embodiment, the design of external control sequence valve 4 is advanced optimized, using oil pressure sensing type
The control oil circuit 5 of valve itself is connected to the rodless cavity of scraper plate oil cylinder 2, scraper plate oil cylinder 2 is directly picked up with this by external control sequence valve 4
Rodless cavity oil pressure, due to filling rubbish and the actual mechanical process of compression is,
The first compression of rubbish, then skateboard tank rodless cavity oil inlet, sled mechanism are completed in the 2 rodless cavity oil inlet of scraper plate oil cylinder
Uplink completes the second-compressed (at this point, scraper plate oil cylinder 2 is in fully extended state) of rubbish;Oil pressure sensing type external control sequence valve 4
Action be happened at sled mechanism uplink complete the second-compressed stage be compacted the reaction force of rubbish with the uplink of sled mechanism
Scraper plate is acted on, and pressure (pressure passively generates) is generated in 2 rodless cavity of scraper plate oil cylinder, which is oil pressure sensing type
The external control oil of external control sequence valve 4, when the pressure reaches the setting value back valve core action of external control sequence valve 4, realization push plate oil
The oil extraction of cylinder rodless cavity retreats, and completes garbage-compressing.Therefore the pressure gauge of 2 rodless cavity of scraper plate oil cylinder more can intuitively be passed through
The pressure of garbage-compressing is levied, therefore is advantageous in that using this design, when garbage-compressing pressure reaches certain value, so that it may to recognize
Surely vanning rubbish has been sufficiently compressed, and can guarantee the abundant of filling by the oil extraction of push plate oil cylinder retraction again at this time, to prevent
Multistage push plate oil cylinder 1 bounces back too early, causes rubbish filling compression insufficient.
To advanced optimize above-mentioned technical proposal, on the basis of the above embodiments preferably, above-mentioned filling compression control
In system processed, first preset pressure is the critical retraction pressure of the piston rod 7 of the multistage push plate oil cylinder 1;Described second
Preset pressure is the critical retraction pressure of the rodless cavity of the piston rod 7 of multistage push plate oil cylinder 1.
The present embodiment provides to technical solution in, the setting of preset pressure has been advanced optimized, wherein the first default pressure
Power is the critical retraction pressure of the piston rod 7 of multistage push plate oil cylinder 1, when oil pressure reaches the first preset pressure, it is ensured that multistage pushes away
The piston rod 7 of leaf fat cylinder 1 starts to bounce back, to protect relatively thin piston rod 7;Further, the second preset pressure is multistage
The critical retraction pressure of the rodless cavity of the piston rod 7 of push plate oil cylinder 1, the second preset pressure are to confirm that the rubbish of filling has obtained
Compressed sufficiently pressure, when reaching this pressure, sequence valve starts outside oil extraction to bounce back.
To advanced optimize above-mentioned technical proposal, on the basis of the above embodiments preferably, above-mentioned filling compression control
In system processed, the oil outlet of the external control sequence valve 4 is communicated with oil return box 6.
Based on the filling compaction control system provided in above-described embodiment, the present invention also provides a kind of back loading compression type rubbish
Rubbish vehicle, the rear-loading compression type garbage truck include be oppositely arranged in compartment and the compartment push plate for loading and unloading, compressing cargo and
Scraper plate further includes any one filling compaction control system in above-described embodiment.Since the rear-loading compression type garbage truck uses
Filling compaction control system in above-described embodiment, so the advantageous effect of the rear-loading compression type garbage truck please refers to above-mentioned implementation
Example.
Each embodiment is described by the way of progressive in this specification, the highlights of each of the examples are with other
The difference of embodiment, just to refer each other for identical similar portion between each embodiment.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest range caused.
Claims (5)
1. a kind of filling compaction control system is used for rear-loading compression type garbage truck, including:
Multistage push plate oil cylinder, is drivingly connected with push plate, and the push plate is set in compartment, positioned at the compartment space of holding freight
One end, for releasing unloading;
Scraper plate oil cylinder is drivingly connected with scraper plate, and the scraper plate is set in compartment, is located at the another of the compartment space of holding freight
End, for compressing cargo into compartment;
It is characterized in that, the rodless cavity of the multistage push plate oil cylinder is connected with overflow valve, for reaching the first default pressure in oil pressure
Oil extraction pressure release when power;The rodless cavity of multistage push plate oil cylinder is also associated with external control sequence valve, and the external control sequence valve is for obtaining
It unites pressure, for when compression pressure reaches the second preset pressure in system, the rodless cavity oil extraction pressure release of controlled stage push plate oil cylinder,
The numerical value of second preset pressure is more than the numerical value of first preset pressure.
2. filling compaction control system according to claim 1, which is characterized in that the external control sequence valve is specially oil pressure
Sensing type external control sequence valve, control oil circuit be connected to the rodless cavity of the scraper plate oil cylinder, for pick up scraper plate oil cylinder without bar
The oil pressure of chamber.
3. filling compaction control system according to claim 2, which is characterized in that first preset pressure is described more
The critical retraction pressure of the piston rod of grade push plate oil cylinder;Second preset pressure is the piston rod of multistage push plate oil cylinder without bar
The critical retraction pressure of chamber.
4. filling compaction control system according to claim 3, which is characterized in that the oil outlet of the external control sequence valve connects
It is connected with oil return box.
5. being oppositely arranged in a kind of rear-loading compression type garbage truck, including compartment and the compartment for loading and unloading, compressing pushing away for cargo
Plate and scraper plate;It is characterized in that, further including that Claims 1-4 any one of them such as loads compaction control system.
Priority Applications (1)
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CN201810350512.9A CN108361233B (en) | 2018-04-18 | 2018-04-18 | Filling compression control system and post-filling compression garbage truck |
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Application Number | Priority Date | Filing Date | Title |
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CN201810350512.9A CN108361233B (en) | 2018-04-18 | 2018-04-18 | Filling compression control system and post-filling compression garbage truck |
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CN108361233A true CN108361233A (en) | 2018-08-03 |
CN108361233B CN108361233B (en) | 2023-11-24 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113027849A (en) * | 2021-01-27 | 2021-06-25 | 长沙中联重科环境产业有限公司 | Discharging hydraulic system of compression type garbage truck, control method of discharging hydraulic system and compression type garbage truck |
Citations (3)
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---|---|---|---|---|
CN2732668Y (en) * | 2004-06-08 | 2005-10-12 | 安徽星马汽车股份有限公司 | Automatic backward device for compression push plate of garbage vehicle |
CN204568567U (en) * | 2015-01-20 | 2015-08-19 | 重庆耐德新明和工业有限公司 | Double dynamical back-loading type waste compacting vehicle |
CN208364507U (en) * | 2018-04-18 | 2019-01-11 | 安徽星马专用汽车有限公司 | A kind of filling compaction control system and rear-loading compression type garbage truck |
-
2018
- 2018-04-18 CN CN201810350512.9A patent/CN108361233B/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2732668Y (en) * | 2004-06-08 | 2005-10-12 | 安徽星马汽车股份有限公司 | Automatic backward device for compression push plate of garbage vehicle |
CN204568567U (en) * | 2015-01-20 | 2015-08-19 | 重庆耐德新明和工业有限公司 | Double dynamical back-loading type waste compacting vehicle |
CN208364507U (en) * | 2018-04-18 | 2019-01-11 | 安徽星马专用汽车有限公司 | A kind of filling compaction control system and rear-loading compression type garbage truck |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN113027849A (en) * | 2021-01-27 | 2021-06-25 | 长沙中联重科环境产业有限公司 | Discharging hydraulic system of compression type garbage truck, control method of discharging hydraulic system and compression type garbage truck |
CN113027849B (en) * | 2021-01-27 | 2023-10-03 | 长沙中联重科环境产业有限公司 | Compression type garbage truck discharging hydraulic system, control method thereof and compression type garbage truck |
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