CN107856533A - A kind of dumper - Google Patents
A kind of dumper Download PDFInfo
- Publication number
- CN107856533A CN107856533A CN201711191822.2A CN201711191822A CN107856533A CN 107856533 A CN107856533 A CN 107856533A CN 201711191822 A CN201711191822 A CN 201711191822A CN 107856533 A CN107856533 A CN 107856533A
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- Prior art keywords
- oil
- hydraulic
- hydraulic pump
- control valve
- engine
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000011065 in-situ storage Methods 0.000 claims abstract description 47
- 239000012530 fluid Substances 0.000 claims abstract description 28
- 239000002828 fuel tank Substances 0.000 claims abstract description 19
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 12
- 229910052742 iron Inorganic materials 0.000 claims description 6
- 239000003921 oil Substances 0.000 description 60
- 239000010720 hydraulic oil Substances 0.000 description 6
- 230000007246 mechanism Effects 0.000 description 6
- 230000006870 function Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 230000003028 elevating effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000008450 motivation Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
- B60K17/06—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of change-speed gearing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
- B60P7/00—Securing or covering of load on vehicles
- B60P7/02—Covering of load
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
The invention discloses a kind of dumper, including engine in situ, driving system and secured top head fluid power system, driving system includes gearbox；Secured top head fluid power system includes hydraulic pump, hydraulic pressure execution unit, control valve and fuel tank, and hydraulic pressure execution unit is connected with secured top head；Control valve is arranged in the oil circuit between hydraulic pressure execution unit and hydraulic pump, two actuator ports of control valve are connected with two oil inlet and oil return oil circuits of hydraulic pressure execution unit respectively, the oil-out of the oil inlet connection hydraulic pump of control valve, the oil inlet of hydraulic pump and the oil return opening of control valve are connected with fuel tank respectively；Gearbox and hydraulic pump are connected with engine in situ respectively.The operational forces of one aspect of the present invention secured top head are big, and speed is fast；On the other hand no matter vehicle be in transport condition or parked state, and secured top head fluid power system can drive work by engine in situ, and avoid stopping the problem of could operating secured top head, raising operating efficiency.
Description
Technical field
The present invention relates to engineering truck technical field, and in particular to a kind of dumper.
Background technology
Dumper is a kind of haulage vehicle that can voluntarily unload goods, has the characteristics that automatic unloading, mobility strong, can
Cargo handling efficiency is improved, labour and time cost is saved, has become one of most important vehicle of current cargo transport, it
The extensive use in the industries such as urban construction, highway construction, hydraulic engineering and energy industry.
Traditional dumper sheds that material leakage problem is serious, in environmental requirement increasingly harsh today, environment-friendly type dumper
Using more and more extensive, in city, traditional dumper is progressively substituted by environment-friendly type dumper.The top cover of environment-friendly type dumper
Closed top cover is made, closed top cover mainly there are two kinds of forms at present, and one kind is tarpaulin expansion gathering formula, and another kind is hard
Top cover is convertible.The driving power of closed top cover is directly driven including reducing motor, gearbox power takeoff connects oil pump and motor pump
Three kinds of type of drive of hydraulic power unit.These three type of drive are simply introduced below：
The first, reducing motor directly drives mode：24V DC speed-reducings are installed on carriage body, power supply connects chassis battery,
Driving wheel is installed on motor output shaft, the transmission devices such as steel wire rope or chain are installed again by the rotational band of driving wheel on driving wheel
The opening and closing movement of dynamic container secured top head.Reducing motor the problem of directly mode of driving is present：Operational forces are small, and speed is slow, severe
Motor and insurance are easily burnt under operating mode.
Second, gearbox power takeoff connects oil pump mode：As shown in figure 1, the other installation gearbox 2 ' of engine in situ 1 ',
Power takeoff is installed on gearbox 2 ' and loads onto hydraulic oil pump 3 ', gearbox 2 ' is used to connect vehicle driving system, hydraulic oil pump 3 '
For connecting secured top head fluid power system, hydraulic oil pump 3 ' exports hydraulic motor work of the hydraulic oil drive installation on carriage body
Make, driving wheel is installed on hydraulic motor output shaft, the transmission devices such as steel wire rope or chain are installed again by driving wheel on driving wheel
Rotate the opening and closing movement for driving container secured top head.Gearbox power takeoff connects the problem of oil pump mode is present：Although operational forces are big,
Speed is fast, but can only can just be worked in vehicle parking power taking rear pump or output pump, influences driver's operating efficiency.
The third, motor pump hydraulic power unit mode：Hydraulic power unit is mounted with slag-soil truck, this hydraulic pressure moves
Power unit includes motor, oil pump, fuel tank, magnetic valve etc..The power supply of hydraulic power unit connects chassis battery, and oil pump is arranged on
On motor output shaft, oil pump exports hydraulic motor of the hydraulic oil drive installation on carriage body and worked, on hydraulic motor output shaft
Driving wheel is installed, the transmission devices such as steel wire rope or chain is installed again on driving wheel the rotation of driving wheel is driven into container secured top head
Opening and closing movement.The problem of motor pump hydraulic power unit mode is present：Although this mode solves gearbox power takeoff and connect
Oil pump mode can only force taking of parking problem and the problem of small reducing motor operational forces, but motor pump hydraulic power unit is
Obtain big operational forces and power of motor needed for rapid operation is higher, easily cause discharged or defective battery, another high-power direct current generator
It is motor in short-term, the sustainable working time is short, expensive.
The content of the invention
, should present invention aims at a kind of dumper is proposed in order to solve at least one technical problem of the prior art
Dumper includes engine in situ, driving system and secured top head fluid power system, and the driving system includes gearbox；Institute
Stating secured top head fluid power system includes hydraulic pump, hydraulic pressure execution unit, control valve and fuel tank, the hydraulic pressure execution unit
It is connected with secured top head, for driving the open and close of the secured top head；The control valve is arranged on the hydraulic pressure and performed
In oil circuit between part and hydraulic pump, two actuator ports of the control valve, two with the hydraulic pressure execution unit respectively
Oil inlet and oil return oil circuit is connected, and the oil inlet of the control valve connects the oil-out of the hydraulic pump, the oil inlet of the hydraulic pump
It is connected respectively with the fuel tank with the oil return opening of the control valve；The gearbox and hydraulic pump start with the chassis respectively
Machine is connected.
As the generator in the preferable technical scheme of dumper, in addition to by engine in situ drive, the hydraulic pump
Input shaft be connected with the electric machine shaft driving of the generator.
As in the preferable technical scheme of dumper, in addition to fixation is located in engine in situ and by engine in situ band
Dynamic steering pump, the hydraulic pump and the steering pump are coaxially connected.
As in the preferable technical scheme of dumper, the hydraulic pump passes through skin with the belt pulley driven by engine in situ
V belt translation connects.
As in the preferable technical scheme of dumper, in addition in engine in situ and from engine in situ power taking
PTO, the PTO is connected with hydraulic pump driving.
As in the preferable technical scheme of dumper, the PTO is PTO power takeoffs.
As in the preferable technical scheme of dumper, including overflow valve, the oil inlet of the overflow valve connect the hydraulic pressure
Oil circuit between pump and the control valve, the oil-out of the overflow valve are connected with the fuel tank；
And/or check valve, the check valve are arranged in the oil circuit between the hydraulic pump and the control valve, the list
It is connected to the oil inlet of valve with the oil-out of the hydraulic pump, the oil-out of the check valve and the oil inlet of the control valve connect
Connect；
And/or filter, the filter are located in the oil circuit between the hydraulic pump and the fuel tank.
As in the preferable technical scheme of dumper, secured top head is canopy top or iron covering.
As in the preferable technical scheme of dumper, the hydraulic pressure execution unit is hydraulic motor or hydraulic cylinder.
Further, the hydraulic motor is between band brake hydraulic motor or the control valve and the hydraulic cylinder
Hydraulic lock is provided with oil circuit.
The dumper of the present invention, on the one hand, the power taking of secured top head fluid power system in engine in situ, secured top head
Operational forces are big, and speed is fast；On the other hand, driving system and secured top head fluid power system pass with the engine in situ respectively
Dynamic connection, no matter vehicle is in transport condition or parked state, and secured top head fluid power system can be started by chassis
Machine drives work, is achieved in also acting secured top head in the process of moving, closed top could be operated by avoiding stopping
The problem of lid, improve operating efficiency.
Brief description of the drawings
The accompanying drawing for forming the part of the present invention is used for providing a further understanding of the present invention, schematic reality of the invention
Apply example and its illustrate to be used to explain the present invention, do not form inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the structural representation of the annexation of hydraulic pump of the prior art and engine in situ；
Fig. 2 is the structural representation of the annexation first embodiment of hydraulic pump of the present invention and engine in situ；
Fig. 3 is the structural representation of the annexation second embodiment of hydraulic pump of the present invention and engine in situ；
Fig. 4 is the structural representation of the annexation 3rd embodiment of hydraulic pump of the present invention and engine in situ；
Fig. 5 is the structural representation of the annexation fourth embodiment of hydraulic pump of the present invention and engine in situ；
Fig. 6 is the structural representation of the secured top head fluid power system first embodiment of the present invention；
Fig. 7 is the structural representation of the secured top head fluid power system second embodiment of the present invention；
Fig. 8 is the structural representation of the secured top head fluid power system 3rd embodiment of the present invention；
Fig. 9 is the structural representation of the secured top head fluid power system fourth embodiment of the present invention.
Description of symbols in accompanying drawing 1：
1 '-engine in situ 2 '-gearbox 3 '-hydraulic oil pump
Accompanying drawing 2 to Fig. 9 description of symbols：
1-engine in situ, 2-gearbox, 3-hydraulic pump, 4-generator
5-steering pump, 6-belt, 7-PTO, 8-hydraulic pressure execution unit
9-control valve, 10-fuel tank, 11-overflow valve, 12-check valve
13-filter, 14-hydraulic lock
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
As shown in Fig. 2 to Fig. 9, the invention provides a kind of dumper, including chassis, container, be arranged on it is close on container
Top cover and elevating ram are closed, the container is arranged on the chassis, and one end of the container rotatably connects with the chassis
Connect, the other end of the container is connected with one end of the elevating ram, and the other end of the elevating ram connects with the chassis
Connect, the dumper also includes engine in situ 1, driving system and secured top head fluid power system, and the driving system includes
Gearbox 2；The secured top head fluid power system includes hydraulic pump 3, hydraulic pressure execution unit 8, control valve 9 and fuel tank 10,
The hydraulic pressure execution unit 8 is connected with secured top head, for driving the open and close of the secured top head；The control valve 9
Be arranged in the oil circuit between the hydraulic pressure execution unit 8 and hydraulic pump 3, two actuator ports of the control valve 9 respectively with
Two oil inlet and oil return oil circuits of the hydraulic pressure execution unit 8 are connected, and the oil inlet of the control valve 9 connects the hydraulic pump 3
Oil-out, the oil inlet of the hydraulic pump 3 and the oil return opening of the control valve 9 are connected with the fuel tank 10 respectively；The change
Fast case 2 and hydraulic pump 3 are connected with the engine in situ 1 respectively.
Wherein, secured top head can be canopy top, or iron covering, the hydraulic pressure execution unit 8 can be hydraulic pressure
Motor, or hydraulic cylinder.Preferably, when secured top head is canopy top, hydraulic pressure execution unit 8 is hydraulic motor, this
When, control valve 9 can be hand-operated valve, or magnetic valve, it is preferred that the control valve 9 is three with H or y-function
Position four-way solenoid valve.When secured top head is iron covering, hydraulic pressure execution unit 8 is hydraulic cylinder, and now, control valve 9 can be manual
Valve, or magnetic valve, it is preferred that the control valve 9 is the three position four-way electromagnetic valve with M or y-function.
As shown in the above, dumper of the invention, on the one hand, the power taking of secured top head fluid power system is sent out in chassis
Motivation 1, the operational forces of secured top head are big, and speed is fast；On the other hand, driving system and secured top head fluid power system respectively with
The engine in situ 1 is connected, and no matter vehicle is in transport condition or parked state, secured top head fluid power system
Work can be driven by engine in situ 1, be achieved in also acting secured top head in the process of moving, avoid stopping
Car could operate the problem of secured top head, improve operating efficiency.
A kind of specific implementation being connected as secured top head fluid power system and engine in situ 1, such as Fig. 2
Generator 4 that is shown, in addition to being driven by engine in situ 1, the input shaft of the hydraulic pump 3 and the motor of the generator 4
Axle is connected.Preferably, hydraulic pump 3 is integrated is located on generator 4 and is rotated as generator 4.It is arranged such, works as hydraulic pressure
When pump 3 is connected with the generator 4 connect in engine in situ 1, as long as engine in situ 1 is in starting state, engine in situ 1
On the generator 4 that is filled can be to provide electric energy for dumper, so no matter vehicle is under steam or parking, can to grasp
Make secured top head.
A kind of specific implementation being connected as secured top head fluid power system and engine in situ 1, such as Fig. 3
It is shown, in addition to the fixed steering pump 5 for being located in engine in situ 1 and being driven by engine in situ 1, the hydraulic pump 3 and institute
It is coaxially connected to state steering pump 5, preferably constitutes duplex pump.Specifically, it is used for steering system by what is installed on current self-dumping undercarriage for automobile
The steering pump 5 of system makes duplex pump into, and a wherein pump for duplex pump is used to provide hydraulic energy for steering, and it is goods that another pump, which is used for,
Case secured top head provides hydraulic energy, as long as engine in situ 1 is work, duplex pump just works, and then operable container is closed
Top cover.
A kind of specific implementation being connected as secured top head fluid power system and engine in situ 1, such as Fig. 4
Shown, the hydraulic pump 3 by the belt pulley that engine in situ 1 drives by belt 6 with being connected.When the work of engine in situ 1
As when drive pulley rotation, belt pulley drives the belt 6 being installed on the input shaft of hydraulic pump 3 to rotate again, makes the work of hydraulic pump 3
Make, hydraulic energy is provided for container secured top head.
A kind of specific implementation being connected as secured top head fluid power system and engine in situ 1, such as Fig. 5
It is shown, in addition in the engine in situ 1 and from the PTO 7 of the power taking of engine in situ 1, the power output
Device 7 is connected with hydraulic pump 3, and the PTO 7 can be PTO power takeoffs.It designs purport and is, at chassis bottom
PTO 7 is installed on disk engine 1 and substitutes the mode of the conventional installation PTO 7 on gearbox 2, and will be used
It is arranged in the hydraulic pump 3 of container secured top head in PTO 7, as long as engine in situ 1 is work, hydraulic pump 3
With regard to that can work, and then operable container secured top head acts.
In an advantageous embodiment, secured top head is canopy top, and hydraulic pressure execution unit 8 is band brake hydraulic pressure horse
Reach, the opening for driving canopy top by tarpaulin mechanism is held together with lid.It should be noted that band brake hydraulic motor belongs to existing
Technology, refer to the hydraulic motor for being integrated with brake.As shown in Figure 6 and Figure 7, the band brake hydraulic motor generally includes hydraulic pressure
The parts such as motor, single-acting spring reset oil cylinder, shuttle valve and brake block.Wherein, the piston rod of single-acting spring reset oil cylinder
Brake block, the oil cylinder chamber connection shuttle valve of single-acting spring reset oil cylinder are connected, two oil inlets of shuttle valve connect hydraulic pressure horse respectively
The two oil inlet and oil return oil circuits reached, when oil pressure difference be present in two oil inlet and oil return oil circuits of hydraulic motor, single-acting spring reset oil cylinder
Rodless cavity oil-feed, piston rod drive brake block away from hydraulic motor, now, hydraulic motor can be with normal work, and works as hydraulic pressure
When oil pressure difference is not present in two oil inlet and oil return oil circuits of motor, in the presence of back-moving spring, piston rod drives brake block brake to stop liquid
Pressure motor, so as to lock hydraulic motor.
In the preferred embodiment, band brake hydraulic motor can be with self-locked tarpaulin mechanism, paulin when avoiding the discharging from lifting
Cloth mechanism glides, and protection tarpaulin mechanism, extends its service life, meanwhile, luggage material again after discharging, because tarpaulin mechanism is locked
It is fixed, without repeating operation.
In a kind of specific embodiment, secured top head is iron covering, and hydraulic pressure execution unit 8 is hydraulic cylinder, passes through hydraulic cylinder band
The opening of dynamic iron covering is held together with lid.As shown in Figure 8 and Figure 9, two actuator ports of control valve 9 connect having for the hydraulic cylinder respectively
Rod cavity and rodless cavity, the oil inlet of the control valve 9 connect the oil-out of the hydraulic pump 3, the oil return of second control valve 9
Mouth is connected with the fuel tank 10.In Fig. 8, the control valve 9 is the three position four-way electromagnetic valve with M type functions.Fig. 9 and Fig. 8
Unlike, hydraulic lock 14 is additionally provided with the oil circuit between the control valve 9 and hydraulic cylinder, now, control valve 9 is with Y types
The three position four-way electromagnetic valve of function, the essence of hydraulic lock 14 are made up of two hydraulic control one-way valves, its role is to interlock, specifically
, when control valve 9 is located at middle position, the rod chamber and rodless cavity of hydraulic cylinder are in static shape in the presence of two check valves
State；But when control valve 9 is in right median function, right wing check valve oil-feed, while control oil circuit that left check valve is opened and let out
Oil；When control valve 9 is in left median function, left check valve oil-feed, while control oil circuit that right wing check valve is opened draining.
In order to ensure hydraulic circuit pressure stability, prevent the driving force of hydraulic pressure execution unit 8 excessive and excessive velocities, damage
Tarpaulin mechanism.Preferably, as shown in Figures 6 to 9, including overflow valve 11, the oil inlet of the overflow valve 11 connect the hydraulic pressure
Oil circuit between pump 3 and the control valve 9, the oil-out of the overflow valve 11 are connected with the fuel tank 10.Further preferably
, as shown in Figure 7 to 9, including for preventing oil from flowing backward to the check valve 12 of hydraulic pump 3, the check valve 12 is arranged on institute
State in the oil circuit between hydraulic pump 3 and the control valve 9, the oil-out of the oil inlet of the check valve 12 and the hydraulic pump 3
Connection, the oil-out of the check valve 12 are connected with the oil inlet of the control valve 9, and certainly, check valve 12 can also be integrated and set
Put on hydraulic pump 3.
Preferably, as shown in Figures 6 to 9, including filter 13, the filter 13 concretely oil absorption filter screen, the mistake
Filter 13 is located in the oil circuit between the hydraulic pump 3 and the fuel tank 10, one end of the filter 13 and the fuel tank 10
Connection, the other end of the filter 13 are connected with the oil inlet of the hydraulic pump 3.It should be noted that above-mentioned hydraulic pump
3rd, control valve 9, fuel tank 10, overflow valve 11, check valve 12 and filter 13 can be that integrated form is installed, and collectively constitute a set of hydraulic pressure
Power unit.
To sum up, dumper of the invention, on the one hand, the power taking of secured top head fluid power system is closed in engine in situ 1
The operational forces of top cover are big, and speed is fast；On the other hand, driving system and secured top head fluid power system are sent out with the chassis respectively
Motivation 1 is connected, and no matter vehicle is in transport condition or parked state, and secured top head fluid power system can pass through bottom
Disk engine 1 drives work, is achieved in also acting secured top head in the process of moving, avoiding stopping to operate
The problem of secured top head, improve operating efficiency.
These are only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc., it should be included in the scope of the protection.
Claims (10)
1. a kind of dumper, including engine in situ (1), driving system and secured top head fluid power system, the running gear
System includes gearbox (2)；The secured top head fluid power system includes hydraulic pump (3), hydraulic pressure execution unit (8), control valve
(9) and fuel tank (10), the hydraulic pressure execution unit (8) is connected with secured top head, for driving the unlatching of the secured top head
With closing；The control valve (9) is arranged in the oil circuit between the hydraulic pressure execution unit (8) and hydraulic pump (3), the control
Two oil inlet and oil return oil circuits of two actuator ports of valve (9) respectively with the hydraulic pressure execution unit (8) are connected, the control valve
(9) oil inlet connects the oil-out of the hydraulic pump (3), the oil inlet of the hydraulic pump (3) and returning for the control valve (9)
Hydraulic fluid port is connected with the fuel tank (10) respectively；It is characterized in that：The gearbox (2) and hydraulic pump (3) respectively with the bottom
Disk engine (1) is connected.
2. dumper according to claim 1, it is characterised in that：Also include the generator driven by engine in situ (1)
(4), the input shaft of the hydraulic pump (3) is connected with the electric machine shaft driving of the generator (4).
3. dumper according to claim 1, it is characterised in that：Also include it is fixed be located in engine in situ (1) and by
The steering pump (5) that engine in situ (1) drives, the hydraulic pump (3) and the steering pump (5) are coaxially connected.
4. dumper according to claim 1, it is characterised in that：The hydraulic pump (3) by engine in situ (1) with being driven
Belt pulley pass through belt (6) be connected.
5. dumper according to claim 1, it is characterised in that：Also include being arranged in engine in situ (1) and the bottom of from
The PTO (7) of disk engine (1) power taking, the PTO (7) are connected with hydraulic pump (3).
6. dumper according to claim 5, it is characterised in that：The PTO (7) is PTO power takeoffs.
7. according to the dumper described in claim any one of 1-6, it is characterised in that：Including overflow valve (11), the overflow valve
(11) oil inlet connects the oil circuit between the hydraulic pump (3) and the control valve (9), the oil-out of the overflow valve (11)
It is connected with the fuel tank (10)；
And/or check valve (12), the check valve (12) are arranged on the oil between the hydraulic pump (3) and the control valve (9)
Lu Zhong, the oil inlet of the check valve (12) are connected with the oil-out of the hydraulic pump (3), the oil-out of the check valve (12)
It is connected with the oil inlet of the control valve (9)；
And/or filter (13), the filter (13) are located at the oil circuit between the hydraulic pump (3) and the fuel tank (10)
In.
8. according to the dumper described in claim any one of 1-6, it is characterised in that：Secured top head is canopy top or iron covering.
9. according to the dumper described in claim any one of 1-6, it is characterised in that：The hydraulic pressure execution unit (8) is hydraulic pressure
Motor or hydraulic cylinder.
10. dumper according to claim 9, it is characterised in that：The hydraulic motor be band brake hydraulic motor or
Hydraulic lock (14) is provided with oil circuit between the control valve (9) and the hydraulic cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711191822.2A CN107856533A (en) | 2017-11-24 | 2017-11-24 | A kind of dumper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711191822.2A CN107856533A (en) | 2017-11-24 | 2017-11-24 | A kind of dumper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107856533A true CN107856533A (en) | 2018-03-30 |
Family
ID=61702508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711191822.2A Pending CN107856533A (en) | 2017-11-24 | 2017-11-24 | A kind of dumper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107856533A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108859754A (en) * | 2018-08-16 | 2018-11-23 | 安徽江淮专用汽车有限公司 | A kind of box cardboard transport vehicle transmission system |
| CN112682375A (en) * | 2020-12-31 | 2021-04-20 | 三一专用汽车有限责任公司 | Double-power tarpaulin driving system and vehicle |
| CN113027870A (en) * | 2021-03-17 | 2021-06-25 | 四川百纳科技有限责任公司 | Independent heat dissipation system of all-terrain armored vehicle and control method thereof |
| RU2785373C1 (en) * | 2020-12-31 | 2022-12-07 | Сани Спешл Пёрпос Вейкл Ко., Лтд. | Twin power drive system and vehicle |
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| US20170183030A1 (en) * | 2015-12-29 | 2017-06-29 | Nuctech Company Limited | Power-assisted steering system and mobile inspection device |
| CN106762881A (en) * | 2016-12-20 | 2017-05-31 | 三汽车制造有限公司 | tarpaulin mechanism hydraulic control system and dumper |
| CN206501769U (en) * | 2017-01-19 | 2017-09-19 | 韩永明 | Top cover of box closed system |
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| CN108859754A (en) * | 2018-08-16 | 2018-11-23 | 安徽江淮专用汽车有限公司 | A kind of box cardboard transport vehicle transmission system |
| CN112682375A (en) * | 2020-12-31 | 2021-04-20 | 三一专用汽车有限责任公司 | Double-power tarpaulin driving system and vehicle |
| WO2022142169A1 (en) * | 2020-12-31 | 2022-07-07 | 三一专用汽车有限责任公司 | Dual-power tarpaulin driving system and vehicle |
| RU2785373C1 (en) * | 2020-12-31 | 2022-12-07 | Сани Спешл Пёрпос Вейкл Ко., Лтд. | Twin power drive system and vehicle |
| CN113027870A (en) * | 2021-03-17 | 2021-06-25 | 四川百纳科技有限责任公司 | Independent heat dissipation system of all-terrain armored vehicle and control method thereof |
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Effective date of registration: 20190823 Address after: 422002 Shaoyang Shuangqing District, Shaoyang Avenue, Baoqing Industrial Concentration Zone, Sanyi Heavy Industry Area E Office Building, Shaoyang City, Hunan Province Applicant after: SANY SPECIAL PURPOSE VEHICLE Co.,Ltd. Address before: 422000 Sanyi Heavy Industry New Industrial Park, Shaoyang Avenue, Shuangqing District, Shaoyang City, Hunan Province Applicant before: HUNAN AUTOMOBILE MANUFACTURING Co.,Ltd. |
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