CN108488373A - The stopping device of dumper - Google Patents
The stopping device of dumper Download PDFInfo
- Publication number
- CN108488373A CN108488373A CN201810423402.0A CN201810423402A CN108488373A CN 108488373 A CN108488373 A CN 108488373A CN 201810423402 A CN201810423402 A CN 201810423402A CN 108488373 A CN108488373 A CN 108488373A
- Authority
- CN
- China
- Prior art keywords
- mouth
- valve
- driven change
- servomotor driven
- change valve
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/0003—Arrangement or mounting of elements of the control apparatus, e.g. valve assemblies or snapfittings of valves; Arrangements of the control unit on or in the transmission gearbox
- F16H61/0009—Hydraulic control units for transmission control, e.g. assembly of valve plates or valve units
-
- 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
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
- F15B21/041—Removal or measurement of solid or liquid contamination, e.g. filtering
Abstract
A kind of stopping device of dumper, including forward gear clutch, retreating gear clutch, gear valve, fuel tank and hydraulic pump；The oil inlet of the hydraulic pump is connected to fuel tank；A mouthfuls of the execution mouth of the gear valve and B mouthfuls of mouth of execution are connected to forward gear clutch and retreating gear clutch respectively；Further include servomotor driven change valve and block；The oil outlet of the hydraulic pump is connected to the oil inlet P mouth of servomotor driven change valve, and A mouthfuls of the execution mouth of servomotor driven change valve is connected to the oil inlet P mouth of gear valve；The servomotor driven change valve has idler wheel, the block can offset or be separated with the idler wheel of servomotor driven change valve, when the idler wheel of block and servomotor driven change valve offsets, the oil inlet P mouth of servomotor driven change valve communicates for mouth A mouthfuls with execution, when the idler wheel of block and servomotor driven change valve is separated, the oil inlet P mouth of servomotor driven change valve is not communicated with for mouth A mouthfuls with execution.The present invention can be such that the compartment of the dumper dumper in the state of lifting is moved forward or back from putting into gear, very safe.
Description
Technical field
The present invention relates to a kind of vehicles, and in particular to a kind of stopping device of dumper.
Background technology
Currently, dumper is applied in engineering construction quite extensively, for transporting the construction materials such as sandstone, dregs.
As shown in figure 4, dumper includes compartment 50, rack 51, driver's cabin 52 and lifting mechanism 53.Lifting mechanism 53 can be that hydraulic pressure is lifted
Mechanism is risen, can also be Chinese patent literature CN102407798B（Application number 201110330487.6）It is disclosed a kind of with certainly
Electric lifting mechanism in the self-unloading Vehicular electric lifting mechanism of lock function.When dumper needs to carry out self-unloading operation, only need
Control lifting mechanism 53 lifts compartment 50, can unload the cargo in compartment 50.After dumper completes self-unloading operation, elder generation is needed
Control lifting mechanism 53 puts down compartment 50, then starts driving of putting into gear, this is because just starting to hang if compartment 50 is not put down
Gear driving, when dumper when a lower height of place by that will cause danger.The stopping device of the dumper of the prior art is such as
Shown in Fig. 3, including forward gear clutch 60, retreating gear clutch 61, gear valve 62, fuel tank 63 and hydraulic pump 65.Hydraulic pump 65
Oil inlet be connected to fuel tank 63, the oil outlet of hydraulic pump 65 is connected to the oil inlet P mouth of gear valve 62, the execution of gear valve 62
A mouthfuls of mouth and B mouthfuls of mouth of execution are connected to forward gear clutch 60 and retreating gear clutch 61 respectively, and gear valve 62 is a kind of commutation
The valve rod 62-1 of valve, gear valve 62 is connect by flexible axle with the gear selector positioned at driver's cabin.When the oil inlet P of gear valve 62
Mouthful with when executing mouth A mouthful and communicating, for the pressure oil in hydraulic pump 65 through gear valve 62 into clutch 60 is kept off, vehicle hangs over forward gear
On；When the oil inlet P mouth of gear valve 62 is with executing mouth B mouthful and communicating, the pressure oil in hydraulic pump 65 is through gear valve 62 to retrogressing
Clutch 61 is kept off, vehicle is hung in retreating gear；When the oil inlet P mouth of gear valve 62 is not communicated with execution mouth A and B mouthfuls of mouth of execution
When, vehicle is hung in neutral gear.The stopping device of this dumper in the compartment of dumper 50 still in raised state when can still hang
Gear moves forward or back, and when by a lower height of place is easy to that accident occurs in this way.
Invention content
The object of the present invention is to provide a kind of stopping devices for the dumper that compartment cannot put into gear in lifting state.
To achieve the goals above, the technical scheme is that：A kind of stopping device of dumper, including forward gear from
Clutch, retreating gear clutch, gear valve, fuel tank and hydraulic pump；The oil inlet of the hydraulic pump is connected to fuel tank；The gear valve
A mouthfuls of execution mouth and execute B mouthfuls of mouth be connected to respectively with forward gear clutch and retreating gear clutch；Further include servomotor driven change valve and
Block；The oil outlet of the hydraulic pump is connected to the oil inlet P mouth of servomotor driven change valve, A mouthfuls of the execution mouth of servomotor driven change valve and gear
The oil inlet P mouth connection of position valve；There is the servomotor driven change valve idler wheel, the block can offset with the idler wheel of servomotor driven change valve
Or phase separation, when the idler wheel of block and servomotor driven change valve offsets, the oil inlet P mouth of servomotor driven change valve communicates for mouth A mouthfuls with execution,
When the idler wheel of block and servomotor driven change valve is separated, the oil inlet P mouth of servomotor driven change valve is not communicated with for mouth A mouthfuls with execution.
The oil inlet of the hydraulic pump to the oily channel of fuel tank is equipped with filter.
The oil outlet of the hydraulic pump to the oily channel of fuel tank is equipped with safety valve.
Benefit of the invention is that：Since the oil outlet of hydraulic pump of the present invention is connected to the oil inlet P mouth of servomotor driven change valve,
A mouthfuls of the execution mouth of servomotor driven change valve is connected to the oil inlet P mouth of gear valve；Block can offset with the idler wheel of servomotor driven change valve or
Phase separation, when the idler wheel of block and servomotor driven change valve be separated, mouth A mouthfuls of the oil inlet P mouth of servomotor driven change valve and execution not phase
It is logical, due also to block is mounted on when the present invention uses on the bottom plate of one end of the close driver's cabin in the compartment of dumper, by machine
Dynamic reversal valve is mounted in rack, and the installation site of servomotor driven change valve is located at when compartment falls to transport position, and block is just
It offsets with the idler wheel of servomotor driven change valve, thus when the compartment of dumper does not fall to transport position, block and servomotor driven change valve
Idler wheel phase separation, the oil inlet P mouth of servomotor driven change valve is not communicated with for mouth A mouthfuls with execution.Even if at this moment driver operates gear valve,
The oil inlet P mouth of gear valve is set to be communicated for mouth A mouthfuls with execution, the pressure oil in hydraulic pump can not reach forward clutch, self-unloading
Vehicle cannot put into gear, i.e., the stopping device of dumper of the invention in the compartment of dumper still in raised state when cannot put into gear, this
Accident would not occur for sample.
Description of the drawings
Fig. 1 is schematic diagram of the present invention when block and servomotor driven change valve offset；
Fig. 2 is schematic diagram of the present invention when block and servomotor driven change valve are separated；
Fig. 3 is the schematic diagram of the stopping device of the prior art；
Fig. 4 is the schematic diagram of the block and servomotor driven change valve of the present invention on dumper.
Reference numeral in above-mentioned attached drawing is as follows：Servomotor driven change valve 1, block 2, compartment 50, rack 51, drives idler wheel 1-1
Room 52, lifting mechanism 53, forward gear clutch 60, retreating gear clutch 61, gear valve 62, valve rod 62-1, fuel tank 63, safety valve
64, hydraulic pump 65, filter 66.
Specific implementation mode
Below in conjunction with attached drawing and the embodiment provided, the present invention is further illustrated.
As depicted in figs. 1 and 2, a kind of stopping device of dumper, including forward gear clutch 60, retreating gear clutch
61, gear valve 62, fuel tank 63 and hydraulic pump 65；Gear valve 62 is a kind of reversal valve, and the valve rod 62-1 of gear valve 62 passes through flexible axle
It is connect with the gear selector positioned at driver's cabin.Driver, which operates gear selector, can just make gear valve 62 commutate.The liquid
The oil inlet of press pump 65 is connected to fuel tank 63；A mouthfuls of the execution mouth of the gear valve 62 and execute B mouthfuls of mouth respectively with forward gear clutch
Device 60 is connected to retreating gear clutch 61；Further include servomotor driven change valve 1 and block 2；The oil outlet of the hydraulic pump 65 with it is motor-driven
The oil inlet P mouth of reversal valve 1 is connected to, and A mouthfuls of the execution mouth of servomotor driven change valve 1 is connected to the oil inlet P mouth of gear valve 62；The machine
Dynamic reversal valve 1 has idler wheel 1-1, and the model of servomotor driven change valve 1 can be 23C-25B or 23C-25BH.The block 2 can be with
The idler wheel 1-1 of servomotor driven change valve 1 offsets or is separated, as shown in Figure 1, when block 2 and the idler wheel 1-1 of servomotor driven change valve 1 offset
When, the oil inlet P mouth of servomotor driven change valve 1 communicates for mouth A mouthfuls with execution, as shown in Fig. 2, when the idler wheel of block 2 and servomotor driven change valve 1
When 1-1 is separated, the oil inlet P mouth of servomotor driven change valve 1 is not communicated with for mouth A mouthfuls with execution.
As depicted in figs. 1 and 2, the oil inlet of the hydraulic pump 65 to the oily channel of fuel tank 63 is equipped with filter 66.
The oil outlet of the hydraulic pump 65 to the oily channel of fuel tank 63 is equipped with safety valve 64.
It is known as transport position the location of when we do not lift in the compartment 50 of dumper, the compartment 50 of dumper is lifted
Location is known as self-unloading position afterwards.As shown in figure 4, in the use of the present invention, block 2 to be mounted on to the compartment 50 of dumper
On the bottom plate of one end of driver's cabin 52, servomotor driven change valve 1 is mounted in rack 51, and the installation position of servomotor driven change valve 1
Setting in when compartment 50 falls to transport position, block 2 just offsets with the idler wheel 1-1 of servomotor driven change valve 1, i.e. the vehicle of dumper
When compartment 50 falls to transport position, the oil inlet P mouth of servomotor driven change valve 1 communicates for mouth A mouthfuls with execution.
Working principle of the present invention is as follows：When the compartment of dumper 50 does not fall to transport position, i.e. the vehicle of dumper
Still in the state of lifting, block 2 and the idler wheel 1-1 of servomotor driven change valve 1 are separated in compartment 50, the oil inlet P mouth of servomotor driven change valve 1 with
A mouthfuls of mouth is executed to be not communicated with.Even if at this moment driver operates gear valve 62, make the mouth A mouthfuls of phase of oil inlet P mouth and execution of gear valve 62
It is logical, or make the oil inlet P mouth of gear valve 62 and execute mouth B mouthfuls and communicate, the pressure oil in hydraulic pump 65 can not reach advance from
Clutch 60 or retreating gear clutch 61, dumper cannot put into gear, i.e. vehicle of the stopping device of dumper of the invention in dumper
Compartment 50 cannot still put into gear in raised state forward or backward, and accident will not thus occur.
When the compartment of dumper 50 falls to transport position, at this moment block 2 and the idler wheel 1-1 of servomotor driven change valve 1 offset, machine
The oil inlet P mouth of dynamic reversal valve 1 communicates for mouth A mouthfuls with execution.At this moment driver operates gear valve 62, so that it may hang forward gear, retreat
Gear or neutral gear.
Claims (3)
1. a kind of stopping device of dumper, including forward gear clutch（60）, retreating gear clutch（61）, gear valve（62）、
Fuel tank（63）And hydraulic pump（65）；The hydraulic pump（65）Oil inlet and fuel tank（63）Connection；The gear valve（62）Hold
A mouthfuls of row mouth and execute B mouthfuls of mouth respectively with forward gear clutch（60）With retreating gear clutch（61）Connection；It is characterized in that：Also
Including servomotor driven change valve（1）And block（2）；The hydraulic pump（65）Oil outlet and servomotor driven change valve（1）Oil inlet P mouth connect
It is logical, servomotor driven change valve（1）A mouthfuls of execution mouth and gear valve（62）Oil inlet P mouth connection；The servomotor driven change valve（1）Have
Idler wheel（1-1）, the block（2）It can be with servomotor driven change valve（1）Idler wheel（1-1）It offsets or is separated, work as block（2）With machine
Dynamic reversal valve（1）Idler wheel（1-1）When offseting, servomotor driven change valve（1）Oil inlet P mouth with execute mouth A mouthfuls communicate, work as block
（2）With servomotor driven change valve（1）Idler wheel（1-1）When phase separation, servomotor driven change valve（1）Oil inlet P mouth with execute mouth A mouthfuls of not phase
It is logical.
2. the stopping device of dumper according to claim 1, it is characterised in that：The hydraulic pump（65）Oil inlet extremely
Fuel tank（63）Oily channel be equipped with filter（66）.
3. the stopping device of dumper according to claim 1, it is characterised in that：The hydraulic pump（65）Oil outlet extremely
Fuel tank（63）Oily channel be equipped with safety valve（64）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810423402.0A CN108488373A (en) | 2018-05-06 | 2018-05-06 | The stopping device of dumper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810423402.0A CN108488373A (en) | 2018-05-06 | 2018-05-06 | The stopping device of dumper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108488373A true CN108488373A (en) | 2018-09-04 |
Family
ID=63352825
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810423402.0A Pending CN108488373A (en) | 2018-05-06 | 2018-05-06 | The stopping device of dumper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108488373A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0820250A (en) * | 1994-07-08 | 1996-01-23 | Kubota Corp | Travel transmission gear for working vehicle |
| CN104819177A (en) * | 2015-03-25 | 2015-08-05 | 常州科研试制中心有限公司 | Mine truck lifting prohibition walking hydraulic system |
| CN105782146A (en) * | 2016-05-28 | 2016-07-20 | 王付民 | Lifting control system of dumper |
| CN106051145A (en) * | 2016-05-31 | 2016-10-26 | 王付民 | Vehicle door opening walking forbidding system |
-
2018
- 2018-05-06 CN CN201810423402.0A patent/CN108488373A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0820250A (en) * | 1994-07-08 | 1996-01-23 | Kubota Corp | Travel transmission gear for working vehicle |
| CN104819177A (en) * | 2015-03-25 | 2015-08-05 | 常州科研试制中心有限公司 | Mine truck lifting prohibition walking hydraulic system |
| CN105782146A (en) * | 2016-05-28 | 2016-07-20 | 王付民 | Lifting control system of dumper |
| CN106051145A (en) * | 2016-05-31 | 2016-10-26 | 王付民 | Vehicle door opening walking forbidding system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180904 |
|
| RJ01 | Rejection of invention patent application after publication |