CN207905008U - A kind of loader-digger hydraulic control system - Google Patents
A kind of loader-digger hydraulic control system Download PDFInfo
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- CN207905008U CN207905008U CN201820265030.9U CN201820265030U CN207905008U CN 207905008 U CN207905008 U CN 207905008U CN 201820265030 U CN201820265030 U CN 201820265030U CN 207905008 U CN207905008 U CN 207905008U
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- way valve
- hydraulic control
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- loader
- control system
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Abstract
The utility model discloses a kind of loader-digger hydraulic control system, it is arranged on vehicle frame, vehicle frame includes front frame and Rear frame, front frame, which is equipped with, excavates and loads equipment, equipment is excavated and loads to be driven by hydraulic control oil circuit, hydraulic control oil circuit surges multi-way valve including first multi-way valve and second that surges, first actuator port for surging multi-way valve is separately connected boom cylinder, bucket arm cylinder and option, second actuator port for surging multi-way valve is separately connected support oil cylinder, rotary motor and bucket cylinder, first surges multi-way valve and second multi-way valve that surges is that pilot control realizes each oil cylinder or motor operation.The utility model is realized a tractor serves several purposes, is had many advantages, such as reasonable for structure, safe and reliable by a set of hydraulic circuit control excavation, loading operation.
Description
Technical field
The utility model discloses a kind of loader-digger hydraulic control system, divides and belongs to by International Patent Classification (IPC) (IPC)
In work machine control system manufacturing technology field, designed more particularly, to a kind of hydraulic control for excavating loading all-in-one machine.
Background technology
Excavator, also known as excavating machinery (excavating machinery) are to be excavated to be higher or lower than with scraper bowl to hold machine
The material in face, and be packed into haulage vehicle or unload to the earthmoving machinery of rickyard.And loading machine is one kind being widely used in highway, iron
The earthwork construction machinery of the construction projects such as road, building, water power, harbour, mine, it is mainly used for shovel dress soil, sandstone, stone
The bulk materials such as ash, coal.Excavator and loading machine are the equipment of two kinds of different function in engineering machinery, are gone out currently on the market
A kind of " both ends are busy " is showed, i.e. the both sides of car body are respectively provided with different equipments, in general, digger shovel are housed on one side
Bucket is equipped with loading shovel on one side, but the hydraulic control excavated and loaded is two sets of autonomous systems.How will excavate, load collection
Integral and shared a set of hydraulic system, being those skilled in the art will solve the problems, such as.
Invention content
In view of the deficiencies of the prior art, the utility model provides a kind of loader-digger hydraulic control system, pass through by
Equipment is placed in front frame, turns to, revolution and working collaboration, realize excavate and load it is difunctional, have it is reasonable for structure,
The advantages that safe and reliable.
In order to achieve the above objectives, the utility model is achieved through the following technical solutions：
A kind of loader-digger hydraulic control system is arranged on vehicle frame, and vehicle frame includes front frame and Rear frame, Rear frame
It is equipped with cab assembly, Rear frame is connect by steering gear with front frame, and front frame, which is equipped with, excavates and load equipment,
It excavates and loads equipment to be driven by hydraulic control oil circuit, hydraulic control oil circuit surges including first multi-way valve and second that surges
Multi-way valve, the first actuator port for surging multi-way valve are separately connected boom cylinder, bucket arm cylinder and option, and second surges multichannel
The actuator port of valve is separately connected support oil cylinder, rotary motor and bucket cylinder, and first multi-way valve and second that surges surges multichannel
Valve is that pilot control realizes each oil cylinder or motor operation.
Further, hydraulic control oil circuit includes hydraulic oil container, and working barrel, steering pump and pioneer pump are connected in hydraulic oil container,
Working barrel is connected to by pipeline with the first multi-way valve oil inlet that surges, and steering pump is surged multi-way valve oil inlet by pipeline and second
Connection, pioneer pump surged respectively with first by selector valve multi-way valve and second surge multi-way valve corresponding pilot control hydraulic fluid port connect
It passes to control excavation and the swing arm lifting of loading equipment or scraper bowl handling or dipper stretches out and recycles or turn round left and right or supporting leg
Lifting.
Further, second surge multi-way valve revolution pilot control oil circuit in be equipped with left and right limit shut-off valve.
Further, steering pump is surged multi-way valve oil inlet by a branch of pressure-gradient control valve into second, and steering pump passes through excellent
One branch of first valve connects steering cylinder to control front frame steering by steering gear.
Further, running wheel is arranged below in front frame and Rear frame.
Further, option is quartering hammer or other equipments.
The utility model is arranged by front/rear frame, equipment is mounted in front frame, equipment can turn round
Carry out digging operation, equipment scraper bowl mouth be also used as when facing forward loading machine carry out shovel pretend industry, the utility model is a set of
Hydraulic circuit control excavation, loading operation, realize a tractor serves several purposes, have many advantages, such as reasonable for structure, safe and reliable.
Description of the drawings
Fig. 1 is the utility model embodiment schematic diagram.
Fig. 2 is the utility model hydraulic system principle figure.
Specific implementation mode
The utility model is described in further detail below in conjunction with the accompanying drawings：
Embodiment：It please refers to Fig.1 and Fig. 2, a kind of loader-digger hydraulic control system is arranged on vehicle frame, vehicle frame packet
Front frame 1 and Rear frame 2 are included, Rear frame 2 is equipped with cab assembly 3, and Rear frame 2 is connect by steering gear with front frame 1, preceding
Vehicle frame 1, which is equipped with, excavates and loads equipment 4, excavates and loads equipment 4 and driven by hydraulic control oil circuit, hydraulic control
Oil circuit surges multi-way valve 52 including first multi-way valve 51 and second that surges, and the first actuator port for surging multi-way valve 51 is separately connected
Boom cylinder 61, bucket arm cylinder 62 and option 63, the second actuator port for surging multi-way valve 52 be separately connected support oil cylinder 64,
Rotary motor 65 and bucket cylinder 66, first surges multi-way valve 51 and second multi-way valve 52 that surges is that pilot control realizes each oil
Cylinder or motor operation.Hydraulic control oil circuit includes hydraulic oil container 53, and working barrel 54, steering pump 55 and elder generation are connected in hydraulic oil container 53
Lead pump 56, working barrel 54 is connected to by pipeline with first 51 oil inlet of multi-way valve that surges, and steering pump 55 passes through pipeline and the second liquid
Dynamic 52 oil inlet of multi-way valve connection, the multi-way valve 51 and second that surged respectively with first by selector valve of pioneer pump 56 surge multi-way valve
52 correspondence pilot control hydraulic fluid port is connected to the swing arm lifting to control excavation and loading equipment or scraper bowl loads and unloads or dipper is stretched
Go out recycling or revolution left and right or supporting leg lifting.Second surge multi-way valve 52 revolution pilot control oil circuit in be equipped with left and right limit cut
Only valve 71.Steering pump 55 is surged 52 oil inlet of multi-way valve by a branch of pressure-gradient control valve 72 into second, and steering pump 55 is by excellent
One branch of first valve connects steering cylinder 74 to control the steering of front frame 1 by steering gear 73.1 He of front frame of the utility model
Running wheel 100 is arranged below in Rear frame 2.The option 63 of the utility model can be quartering hammer or other equipments.
What the utility model used first surges multi-way valve 51 and the second 52 model of multi-way valve of surging is YGDF32III-
00D, actuator port A1, B1 of two valves, A2, B2, A3, B3 are connected with oil cylinder or motor and are driven corresponding equipment operation.
The utility model operation is as follows：
1, guide is left：First handle it is left front it is right after 2. 3. 4. be labeled as successively 1., function corresponds to, dipper stretches out,
Turn right, dipper recycling, handle hydraulic fluid port be connected to first surge pilot control hydraulic fluid port 1-b1,1-a1 of multi-way valve and second surge it is more
Pilot control hydraulic fluid port 2-b1,2-a1 of road valve.
2, guide is right：Second handle it is left front it is right after 2. 3. 4. be labeled as successively 1., function correspond to scraper bowl excavate, swing arm liter
Rise, scraper bowl discharging, swing arm decline；Handle hydraulic fluid port is connected to first pilot control hydraulic fluid port 1-b3,1-a3 and for surging multi-way valve
Two pilot control hydraulic fluid port 2-b3,2-a3. for surging multi-way valve
3, the front and back label of third handle is 2., function corresponds to supporting leg rising, supporting leg declines, 2-b2,2-a2, handle oil
Mouth is connected to second pilot control hydraulic fluid port 2-b2,2-a2 for surging multi-way valve.
The utility model is arranged by front/rear frame, equipment is mounted in front frame, equipment can turn round
Carry out digging operation, equipment scraper bowl mouth be also used as when facing forward loading machine carry out shovel pretend industry, the utility model is a set of
Hydraulic circuit control excavation, loading operation, realize a tractor serves several purposes, have many advantages, such as reasonable for structure, safe and reliable.
The foregoing descriptions are merely the embodiment using this origination techniques content, any those skilled in the art use this wound
Make done modifications and changes, all belong to the scope of the claims of this creation opinion, and is not limited to those disclosed embodiments.
Claims (6)
1. a kind of loader-digger hydraulic control system, it is characterised in that：The loader-digger hydraulic control system is arranged in vehicle
On frame, vehicle frame includes front frame and Rear frame, and Rear frame is equipped with cab assembly, and Rear frame is connected by steering gear and front frame
It connects, front frame, which is equipped with, excavates and load equipment, excavates and loads equipment and driven by hydraulic control oil circuit, hydraulic pressure control
Liquefaction road is surged multi-way valve including first multi-way valve and second that surges, and the first actuator port for surging multi-way valve is separately connected swing arm
Oil cylinder, bucket arm cylinder and option, the second actuator port for surging multi-way valve are separately connected support oil cylinder, rotary motor and scraper bowl
Oil cylinder, first surges multi-way valve and second multi-way valve that surges is that pilot control realizes each oil cylinder or motor operation.
2. a kind of loader-digger hydraulic control system according to claim 1, it is characterised in that：Hydraulic control oil circuit packet
Include hydraulic oil container, connection working barrel, steering pump and pioneer pump in hydraulic oil container, working barrel are surged multi-way valve by pipeline and first
Oil inlet is connected to, and steering pump is connected to by pipeline with the second multi-way valve oil inlet that surges, and pioneer pump is by selector valve respectively with the
One surge multi-way valve and second surge multi-way valve correspondence pilot control hydraulic fluid port be connected to control excavation and load equipment
Swing arm lifts or scraper bowl loads and unloads or dipper stretches out recycling or revolution left and right or supporting leg lifts.
3. a kind of loader-digger hydraulic control system according to claim 1 or 2, it is characterised in that：Second surge it is more
Limit shut-off valve in left and right is equipped in the revolution pilot control oil circuit of road valve.
4. a kind of loader-digger hydraulic control system according to claim 2, it is characterised in that：Steering pump passes through preferential
One branch of valve surges multi-way valve oil inlet into second, and steering pump passes through steering gear connection by a branch of pressure-gradient control valve and turns to
Oil cylinder is to control front frame steering.
5. a kind of loader-digger hydraulic control system according to claim 1, it is characterised in that：Front frame and Rear frame
Running wheel is arranged below.
6. a kind of loader-digger hydraulic control system according to claim 1, it is characterised in that：Option is broken
Hammer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820265030.9U CN207905008U (en) | 2018-02-23 | 2018-02-23 | A kind of loader-digger hydraulic control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820265030.9U CN207905008U (en) | 2018-02-23 | 2018-02-23 | A kind of loader-digger hydraulic control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207905008U true CN207905008U (en) | 2018-09-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820265030.9U Active CN207905008U (en) | 2018-02-23 | 2018-02-23 | A kind of loader-digger hydraulic control system |
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| Country | Link |
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| CN (1) | CN207905008U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117188559A (en) * | 2023-09-15 | 2023-12-08 | 徐工集团工程机械股份有限公司科技分公司 | Control system and control method of hydraulic control type backhoe loader |
-
2018
- 2018-02-23 CN CN201820265030.9U patent/CN207905008U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117188559A (en) * | 2023-09-15 | 2023-12-08 | 徐工集团工程机械股份有限公司科技分公司 | Control system and control method of hydraulic control type backhoe loader |
| CN117188559B (en) * | 2023-09-15 | 2024-03-12 | 徐工集团工程机械股份有限公司科技分公司 | Control system and control method of hydraulic control type backhoe loader |
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