CN207416547U - A kind of dumper - Google Patents
A kind of dumper Download PDFInfo
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- CN207416547U CN207416547U CN201721603347.0U CN201721603347U CN207416547U CN 207416547 U CN207416547 U CN 207416547U CN 201721603347 U CN201721603347 U CN 201721603347U CN 207416547 U CN207416547 U CN 207416547U
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Abstract
The utility model discloses a kind of dumpers, and 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 respectively with two oil inlet and oil return oil circuits of hydraulic pressure execution unit, the oil outlet 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 respectively with fuel tank；Gearbox and hydraulic pump are sequentially connected respectively with engine in situ.The operational forces of the utility model one side secured top head are big, and speed is fast；On the other hand no matter vehicle is in transport condition or parked state, and secured top head fluid power system can drive work by engine in situ, and secured top head could be operated by avoiding the problem that stop, and improve work efficiency.
Description
Technical field
The present invention relates to engineering truck technical fields, and in particular to a kind of dumper.
Background technology
Dumper is a kind of haulage vehicle that can voluntarily unload cargo, has the characteristics that unloading, mobility strong automatically, 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 head cover of environment-friendly type dumper
Closed head cover is made, current closed head cover is there are mainly two types of form, and one kind is tarpaulin expansion gathering formula, and another kind is hard
Head cover is convertible.The driving power of closed head cover directly drives including decelerating 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, decelerating motor directly drives mode：24V DC speed-reducings are installed on carriage body, power supply connects chassis accumulator,
Driving wheel on motor output shaft is installed, the transmission devices such as steel wire rope or chain are installed again by the rotation band of driving wheel on driving wheel
The opening and closing movement of dynamic container secured top head.Decelerating motor directly drive mode there are the problem of：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 on gearbox 2 ' is installed 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 the hydraulic motor work that high pressure oil driving is mounted 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 connect oil pump mode there are the problem of：Although operational forces are big,
Speed is fast, but can only can just work in vehicle parking power taking rear pump or output pump, influences driver's work efficiency.
The third, motor pump hydraulic power unit mode：Hydraulic power unit is mounted on slag-soil truck, this hydraulic pressure moves
Power unit includes motor, oil pump, fuel tank, solenoid valve etc..The power supply of hydraulic power unit connects chassis accumulator, and oil pump is mounted on
On motor output shaft, the hydraulic motor that oil pump output high pressure oil driving is mounted on carriage body works, on hydraulic motor output shaft
Driving wheel is installed, the transmission devices such as steel wire rope or chain on driving wheel is installed again, the rotation of driving wheel is driven into container secured top head
Opening and closing movement.Motor pump hydraulic power unit mode there are the problem of：Although this mode solves gearbox power takeoff and connects
Oil pump mode can only force taking of parking problem and the problem of small decelerating motor operational forces, but motor pump hydraulic power unit is
It obtains 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
It, 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 performs
In oil circuit between component 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 outlet 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 respectively with the chassis
Machine is sequentially connected.
As in the preferred technical solution of dumper, further include by engine in situ drive generator, the hydraulic pump
Input shaft be connected with the electric machine shaft driving of the generator.
It is located at as fixation in the preferred technical solution of dumper, is further included 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 preferred technical solution of dumper, the hydraulic pump passes through skin with the belt pulley driven by engine in situ
V belt translation connects.
As in the preferred technical solution of dumper, further including in engine in situ and from engine in situ power taking
Power output device, the power output device is connected with hydraulic pump driving.
As in the preferred technical solution of dumper, the power output device is PTO power takeoffs.
As in the preferred technical solution of dumper, including overflow valve, the oil inlet of the overflow valve connects the hydraulic pressure
Oil circuit between pump and the control valve, the oil outlet 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 outlet of the hydraulic pump, the oil outlet of the check valve and the oil inlet of the control valve connect
It connects；
And/or filter, the filter are located in the oil circuit between the hydraulic pump and the fuel tank.
As in the preferred technical solution of dumper, secured top head is canopy top or iron covering.
As in the preferred technical solution 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 equipped in 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 respectively with the engine in situ
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 to stop
The problem of lid, improves work efficiency.
Description of the drawings
The attached 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
Example and its explanation are applied for explaining the present invention, is not constituted improper limitations of the present invention.In the accompanying drawings：
Fig. 1 is the structure diagram of the connection relation of hydraulic pump of the prior art and engine in situ；
Fig. 2 is the structure diagram of the connection relation first embodiment of hydraulic pump of the present invention and engine in situ；
Fig. 3 is the structure diagram of the connection relation second embodiment of hydraulic pump of the present invention and engine in situ；
Fig. 4 is the structure diagram of the connection relation 3rd embodiment of hydraulic pump of the present invention and engine in situ；
Fig. 5 is the structure diagram of the connection relation fourth embodiment of hydraulic pump of the present invention and engine in situ；
Fig. 6 is the structure diagram of the secured top head fluid power system first embodiment of the present invention；
Fig. 7 is the structure diagram of the secured top head fluid power system second embodiment of the present invention；
Fig. 8 is the structure diagram of the secured top head fluid power system 3rd embodiment of the present invention；
Fig. 9 is the structure diagram of the secured top head fluid power system fourth embodiment of the present invention.
Description of symbols in attached drawing 1：
1 '-engine in situ 2 '-gearbox 3 '-hydraulic oil pump
Attached 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-power output device, 8-hydraulic pressure execution unit
9-control valve, 10-fuel tank, 11-overflow valve, 12-check valve
13-filter, 14-hydraulic lock
Specific embodiment
It should be noted that in the case where there is no conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
As shown in Fig. 2 to Fig. 9, the present invention provides a kind of dumper, including chassis, container, be arranged on it is close on container
Head cover and elevating ram are closed, the container is arranged on the chassis, and one end of the container rotatably connects with the chassis
It connects, 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
It connects, which further 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 outlet, the oil inlet of the hydraulic pump 3 and the oil return opening of the control valve 9 are connected respectively with the fuel tank 10；The change
Fast case 2 and hydraulic pump 3 are sequentially connected respectively with the engine in situ 1.
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 solenoid 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, at this point, control valve 9 can be manual
Valve, or solenoid 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 sequentially connected, and no matter vehicle is in transport condition or parked state, secured top head fluid power system
Can work be driven by engine in situ 1, be achieved in also acting secured top head in the process of moving, avoid to stop
Vehicle could operate the problem of secured top head, improve work efficiency.
As a kind of specific implementation that secured top head fluid power system and engine in situ 1 are sequentially connected, such as Fig. 2
It is shown, further include the generator 4 driven by engine in situ 1, the motor of the input shaft of the hydraulic pump 3 and the generator 4
Axis is sequentially connected.Preferably, hydraulic pump 3 is integrated is located on generator 4 and is rotated as generator 4.So set, work 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.
As a kind of specific implementation that secured top head fluid power system and engine in situ 1 are sequentially connected, such as Fig. 3
It is shown, further include 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 will be installed on current self-dumping undercarriage for automobile for steering system
The steering pump 5 of system makes duplex pump into, and wherein one pump of duplex pump is used to provide hydraulic energy for steering, and another pump is used for as goods
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
Head cover.
As a kind of specific implementation that secured top head fluid power system and engine in situ 1 are sequentially connected, such as Fig. 4
Shown, the hydraulic pump 3 by the belt pulley that engine in situ 1 drives by belt 6 with being sequentially connected.When 1 work of engine in situ
As when drive pulley rotation, belt pulley drives the belt 6 being installed on 3 input shaft of hydraulic pump to rotate again, makes 3 work of hydraulic pump
Make, hydraulic energy is provided for container secured top head.
As a kind of specific implementation that secured top head fluid power system and engine in situ 1 are sequentially connected, such as Fig. 5
It is shown, it further includes in engine in situ 1 and from the power output device 7 of 1 power taking of engine in situ, the power output
Device 7 is sequentially connected with hydraulic pump 3, which can be PTO power takeoffs.It designs purport and is, at chassis bottom
Power output device 7 on disk engine 1 is installed and substitutes the mode of the conventional installation power output device 7 on gearbox 2, and will be used
It is mounted in the hydraulic pump 3 of container secured top head in power output device 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
It reaches, 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 refers to the hydraulic motor for being integrated with brake.As shown in Figure 6 and Figure 7, which generally includes hydraulic pressure
The components 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 two oil inlet and oil return oil circuits of hydraulic motor are there are during oil pressure difference, single-acting spring reset oil cylinder
Rodless cavity oil inlet, piston rod drive brake block away from hydraulic motor, at this point, hydraulic motor can work normally, and work as hydraulic pressure
When oil pressure difference is not present in two oil inlet and oil return oil circuits of motor, under the action of resetting 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, since tarpaulin mechanism is locked
It is fixed, without repeating operation.
In a 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 outlet 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 in the oil circuit between the control valve 9 and hydraulic cylinder, at this point, control valve 9 is with Y types
The three position four-way electromagnetic valve of function, 14 essence of hydraulic lock are made 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 under the action of two check valves
State；But when control valve 9 is in right median function, right wing check valve oil inlet, while control oil circuit that left check valve opening is let out
Oil；When control valve 9 is in left position function, left check valve oil inlet, 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 connects the hydraulic pressure
Oil circuit between pump 3 and the control valve 9, the oil outlet of the overflow valve 11 are connected with the fuel tank 10.Further preferably
, as shown in Figure 7 to 9, including being used for the check valve 12 for preventing oil from flowing backward to hydraulic pump 3, the check valve 12 is arranged on institute
It states in the oil circuit between hydraulic pump 3 and the control valve 9, the oil outlet of the oil inlet of the check valve 12 and the hydraulic pump 3
Connection, the oil outlet 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
It puts 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 head cover are big, and speed is fast；On the other hand, driving system and secured top head fluid power system are sent out respectively with the chassis
Motivation 1 is sequentially 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 to stop could operate
The problem of secured top head, improves work efficiency.
The foregoing is merely a prefered embodiment of the invention, is not intended to limit the invention, it is all the present invention spirit and
Within principle, any modifications, equivalent replacements and improvements are made should all be included in the protection scope of the present invention.
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 outlet 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 respectively with the fuel tank (10)；It is characterized in that：The gearbox (2) and hydraulic pump (3) respectively with the bottom
Disk engine (1) is sequentially connected.
2. dumper according to claim 1, it is characterised in that：Further 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：Further 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 sequentially connected.
5. dumper according to claim 1, it is characterised in that：It further includes in the engine in situ (1) and the bottom of from
The power output device (7) of disk engine (1) power taking, the power output device (7) are sequentially connected with hydraulic pump (3).
6. dumper according to claim 5, it is characterised in that：The power output device (7) is PTO power takeoffs.
7. according to claim 1-6 any one of them dumpers, 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 outlet 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 outlet of the hydraulic pump (3), the oil outlet 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 claim 1-6 any one of them dumpers, it is characterised in that：Secured top head is canopy top or iron covering.
9. according to claim 1-6 any one of them dumpers, 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 for band brake hydraulic motor or
Hydraulic lock (14) is equipped in oil circuit between the control valve (9) and the hydraulic cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721603347.0U CN207416547U (en) | 2017-11-24 | 2017-11-24 | A kind of dumper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721603347.0U CN207416547U (en) | 2017-11-24 | 2017-11-24 | A kind of dumper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207416547U true CN207416547U (en) | 2018-05-29 |
Family
ID=62303068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721603347.0U Active CN207416547U (en) | 2017-11-24 | 2017-11-24 | A kind of dumper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207416547U (en) |
-
2017
- 2017-11-24 CN CN201721603347.0U patent/CN207416547U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190430 Address after: 422002 Shaoyang Shuangqing District, Shaoyang Avenue, Baoqing Industrial Concentration Zone, Sanyi Heavy Industry Area E Office Building, Shaoyang City, Hunan Province Patentee after: Sanyi Special Vehicle Co., Ltd. Address before: 422000 Sanyi Heavy Industry New Industrial Park, Shaoyang Avenue, Shuangqing District, Shaoyang City, Hunan Province Patentee before: HUNAN AUTOMOBILE MANUFACTURING CO., LTD. |
|
| TR01 | Transfer of patent right |