CN207879743U - Frame hydraulic oil circuit - Google Patents
Frame hydraulic oil circuit Download PDFInfo
- Publication number
- CN207879743U CN207879743U CN201820082943.7U CN201820082943U CN207879743U CN 207879743 U CN207879743 U CN 207879743U CN 201820082943 U CN201820082943 U CN 201820082943U CN 207879743 U CN207879743 U CN 207879743U
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- Prior art keywords
- valve
- oil
- brake
- shifting
- connection
- 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.)
- Withdrawn - After Issue
Links
- 239000010720 hydraulic oil Substances 0.000 title claims abstract description 16
- 239000003921 oil Substances 0.000 claims abstract description 106
- 238000010521 absorption reaction Methods 0.000 claims abstract description 9
- 239000002828 fuel tank Substances 0.000 claims description 12
- 230000002457 bidirectional effect Effects 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 2
- 239000011230 binding agent Substances 0.000 description 17
- 230000000694 effects Effects 0.000 description 4
- 230000001133 acceleration Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
Landscapes
- Non-Deflectable Wheels, Steering Of Trailers, Or Other Steering (AREA)
Abstract
The utility model is related to hydraulic tests,Disclose a kind of frame hydraulic oil circuit,Oil absorption filter with brake tooth wheel pump,Main pump connects,Prefill valve and brake tooth wheel pump,Double check valve connects,Two-way check valve and preceding diaphragm accumulator,Metacneme formula accumulator,Parking brake control valve connects,Preceding diaphragm accumulator,Metacneme formula accumulator is connect with Dual-path brake valve,Main pump is and hydraulic steering gear,Guide oil source valve connects,Guide oil source valve and high-speed gear-shifting valve,Low speed shift valve,Equilibrium oil cylinder valve,Oil gathering block connects,Oil gathering block and walking reversal valve,Soil-shifting valve,Turn round shuttle valve connection,Multi-way valve and walking reversal valve,Soil-shifting valve,Turn round shuttle valve,Main pump connects,Center-rotary joint respectively with Dual-path brake valve,Parking brake control valve,High-speed gear-shifting valve,Low speed shift valve,Equilibrium oil cylinder valve,Hydraulic steering valve,Multi-way valve connects.The utility model can effective solution spragging gear pump oil road and the unreasonable problem of main pump oil circuit assignment of traffic.
Description
Technical field
The utility model is related to hydraulic tests, more particularly to a kind of frame hydraulic oil circuit.
Background technology
Excavator plays prodigious effect as a kind of important engineering machinery in production and construction.The row of excavator
It walks, turn round and excavation action has a hydraulic circuit driving, and the spragging gear pump oil road of traditional excavator and main pump oil circuit stream
Unreasonable distribution is measured, exercise not harmony when causing low operating efficiency, level land and ramping.
Invention content
The purpose of this utility model is to provide a kind of frame hydraulic oil circuits of each component connection and reasonable arrangement in oil circuit.
In order to solve the above-mentioned technical problem, the utility model is addressed by following technical proposals：
Frame hydraulic oil circuit, including upper frame hydraulic circuit and lower vehicle frame hydraulic circuit, upper frame hydraulic circuit include inhaling
Oil strainer, the fuel tank being arranged in upper frame, multi-way valve, high-speed gear-shifting valve, low speed shift valve, center-rotary joint, row
Walk reversal valve, Dual-path brake valve, preceding diaphragm accumulator, metacneme formula accumulator, hydraulic steering gear, parking controller, double lists
To valve, guide oil source valve, main pump, oil gathering block, prefill valve, left and right bridge crossing plate, soil-shifting valve, fuel tank is connect with oil absorption filter, is inhaled
Oil strainer is connect with brake tooth wheel pump, main pump respectively, and brake tooth wheel pump is connect with prefill valve, and prefill valve connects with double check valve
It connects, two-way check valve is connect with preceding diaphragm accumulator, metacneme formula accumulator, parking brake control valve respectively, preceding diaphragm
Formula accumulator, metacneme formula accumulator are connect with Dual-path brake valve, and main pump connects with hydraulic steering gear, guide oil source valve respectively
It connects, guide oil source valve is connect with high-speed gear-shifting valve, low speed shift valve, equilibrium oil cylinder valve, oil gathering block respectively, oil gathering block and is controlled
Bridge plate connects, and left and right bridge crossing plate is connect with walking reversal valve, soil-shifting valve, revolution shuttle valve respectively, and multi-way valve is passed a bridge with left and right respectively
Plate, walking reversal valve, soil-shifting valve, revolution shuttle valve, main pump connection, center-rotary joint respectively with Dual-path brake valve, parking braking
Device control valve, high-speed gear-shifting valve, low speed shift valve, equilibrium oil cylinder valve, hydraulic steering valve, multi-way valve connection；Lower vehicle frame hydraulic oil
Road includes the running motor being arranged on lower vehicle frame, parking brake, high-speed gear-shifting oil cylinder, low speed shift cylinder, preceding bridge row
Vehicle brake, rear axle running brake, bidirectional hydraulic lock, balancing cylinder lock, fluid-link steering oil cylinder, center-rotary joint respectively with
Fluid-link steering oil cylinder, bidirectional hydraulic lock, high-speed gear-shifting oil cylinder, low speed shift cylinder, balancing cylinder lock, running motor, parking system
Dynamic device, preceding travelling gantry frame brake, the connection of rear axle running brake.
Preferably, wherein Dual-path brake valve is connect by two-way oil pipe with center-rotary joint.
Preferably, upper frame hydraulic circuit further includes revolution shuttle valve, pilot handle, left and right bridge crossing plate connects with pilot handle
It connects, pilot handle is connect with revolution shuttle valve, and revolution shuttle valve is connect with multi-way valve.The effect for turning round shuttle valve is to take pilot pressure signal
It is unlocked to rotary motor, that is, releases braking.
Preferably, lower vehicle frame hydraulic circuit further includes balancing cylinder, balancing cylinder is connect with balancing cylinder.
Preferably, lower vehicle frame hydraulic circuit further includes soil-shifting oil cylinder, bidirectional hydraulic lock is connect with soil-shifting oil cylinder.
Preferably, running motor, high-speed gear-shifting oil cylinder, low speed shift cylinder, parking brake are respectively positioned in lower vehicle frame
Portion.
Preferably, preceding travelling gantry frame brake is two, it is separately positioned on two front-wheels, rear axle running brake is two
It is a, it is separately positioned on two trailing wheels.
The utility model has significant technique effect as a result of above technical scheme：It can effective solution braking
Gear pump oil circuit and the unreasonable problem of main pump oil circuit assignment of traffic, are provided with double check valve, to the road it is related play it is slow
Slow-motion oil and oil return realize buffering purpose, reach effectiveness in vibration suppression, improve operating efficiency, and level land and ramping action are more assisted
It adjusts.
Description of the drawings
Fig. 1 is the upper frame oil circuit schematic diagram of the utility model embodiment.
Fig. 2 is the portions the A enlarged drawing of Fig. 1.
Fig. 3 is the lower vehicle frame oil circuit schematic diagram of the utility model embodiment.
Fig. 4 is the utility model embodiment component connection figure.
The toponym that each number designation is referred in attached drawing is as follows：Wherein 1-oil absorption filter, 2-return filters,
3-multi-way valves, 4-high-speed gear-shifting valves, 5-rotary motors, 6-center-rotary joints, 7-walking reversal valves, 8-revolution shuttles
Valve, 9-Dual-path brake valves, 10-preceding diaphragm accumulators, 11-hydraulic steering gears, 12-parking brake control valves, 13-
Fixture foot valve, 14-double check valves, 15-guide oil source valves, 16-main pumps, 17-brake tooth wheel pumps, 18-counterbalance valves,
19-oil gathering blocks, 20-prefill valves, 21-running motors, 22-parking brake, 23-gearboxes, 24-high-speed gear-shiftings oil
Cylinder, 25-preceding travelling gantry frame brakes, 26-rear axle running brakes, 27-bidirectional hydraulic locks, 28-balancing cylinders are locked, on 29-
Vehicle frame, 30-lower vehicle frames, 31-fuel tanks, 32-front-wheels, 33-trailing wheels, 34-oil pipes, 35-low speed shift valves, 36-metacnemes
Formula accumulator, 37-low speed shift cylinders.
Specific implementation mode
The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings.
Embodiment
Frame hydraulic oil circuit, as shown in Figures 1 to 4, including upper frame hydraulic circuit and lower vehicle frame hydraulic circuit.
Upper frame hydraulic circuit include oil absorption filter 1, return filter 2, the fuel tank 31 being arranged in upper frame 29,
Multi-way valve 3, high-speed gear-shifting valve 4, low speed shift valve 35, rotary motor 5, center-rotary joint 66, walking reversal valve 7, revolution shuttle
Valve 8, Dual-path brake valve 9, preceding diaphragm accumulator 10, metacneme formula accumulation of energy 10, hydraulic steering gear 11, parking brake control valve
12, fixture foot valve 13, double check valve 14, guide oil source valve 15, main pump 16, brake tooth wheel pump 17, counterbalance valve 18, oil gathering block
19, prefill valve 20, pilot handle, left and right bridge crossing plate, acceleration control valve, acceleration pump.
Fuel tank 31 is connect with oil absorption filter 1 by oil pipe 34, and oil absorption filter 1 is equipped with two-way oil pipe 34, wherein one
Road binders pipe 34 is connect with brake tooth wheel pump 17, another way oil pipe 34 is connect with main pump 16.Brake tooth wheel pump 17 is logical with prefill valve 20
The connection of oil pipe 34 is crossed, prefill valve 20 is connect with double check valve 14, and two-way check valve is equipped with three road binders pipes 34, first via oil pipe 34
It is connect with preceding diaphragm accumulator 10, the second road binders pipe 34 is connect with metacneme formula accumulator 36, third road binders pipe 34 and parking
Brake control valve 12 connects.Preceding diaphragm accumulator 10, metacneme formula accumulator 36 pass through oil pipe 34 with Dual-path brake valve 9
Connection.
Main pump 16 is plunger pump, main pump 16 be equipped with four road binders pipes 34, first via oil pipe 34 and the second road binders pipe 34 with it is more
Road valve 3 connects, and third road binders pipe 34 is connect with hydraulic steering gear 11, and the 4th road binders pipe 34 is connect with guide oil source valve 15.Guide
Oil sources valve 15 is equipped with five road binders pipes 34, and first via oil pipe 34 is connect with high-speed gear-shifting valve 4, and the second road binders pipe 34 is shifted gears with low speed
Valve 35 connects, and third road binders pipe 34 is connect with equilibrium oil cylinder valve, and the 4th road binders pipe 34 is connect with oil gathering block 19, the 5th road binders pipe 34
It is connect with control valve is accelerated, control valve is accelerated to be connect with acceleration pump.Oil gathering block 19 is connect with left and right bridge crossing plate by oil pipe 34, left
Right bridge crossing plate is equipped with two-way oil pipe 34, wherein oil pipe 34 is connect with walking reversal valve 7 all the way, another way oil pipe 34 and guide's hand
Handle connects, and pilot handle is equipped with four road binders pipes 34, and first via oil pipe 34 directly connect with multi-way valve 3, the second road binders pipe 34 and
It turns round shuttle valve 8 to connect, third road binders pipe 34 is connect with soil-shifting valve, and the 4th road binders pipe 34 is connect with walking reversal valve 7, multi-way valve 3
It is connect respectively with revolution shuttle valve 8, soil-shifting valve, walking reversal valve 7 by oil pipe 34, multi-way valve 3 and counterbalance valve 18, swing arm, bucket
The oil circuit connections such as bar, bucket.
Center-rotary joint 6 by oil pipe 34 respectively with Dual-path brake valve 9, parking brake control valve 12, high quick change
It keeps off valve 4, low speed shift valve 35, equilibrium oil cylinder valve, hydraulic steering valve, multi-way valve 3 to connect, wherein Dual-path brake valve 9 passes through two-way
Oil pipe 34 is connect with center-rotary joint 6.
Counterbalance valve 18 is set, and flowing of the control oil on oil pipe 34 plays cut-out and throttling action, easy to adjust.
Fuel tank 31 is arranged in 29 left front portion of upper frame, oil absorption filter
Guide oil source valve 15 is located at the front of fuel tank 31, and main pump 16 is located in front of guide oil source valve 15, high-speed gear-shifting valve 4, low
Fast shift valve 35 is located at 31 lower section of fuel tank, and rotary motor 5 is located at 31 rear of fuel tank, and it is right that center-rotary joint 6 is located at turn around motor 5
Rear, multi-way valve 3 are located at 31 rear of fuel tank, 8 centrally located swivel joint of revolution shuttle valve, 6 right front, and walking reversal valve 7 is located at back
Turn 8 rear of shuttle valve, Dual-path brake valve 9 is located at 7 right of walking reversal valve, and hydraulic steering gear 11 is located at 9 right of Dual-path brake valve, presss from both sides
Tool foot valve 13 is located at 11 right of hydraulic steering gear, and double check valve 14 is located at 13 right front of fixture foot valve, parking brake control
Valve 12 processed is located at 14 front of double check valve, and preceding diaphragm accumulator 10, metacneme formula accumulator 36 are located at parking brake control
12 left front of valve, prefill valve 20 are located at preceding diaphragm accumulator 10,36 right front of metacneme formula accumulator, oil gathering block 19 be located at every
10 front of membrane type accumulator, counterbalance valve 18 are located at 19 left front of oil gathering block, and brake tooth wheel pump 17 is located at 18 left front of counterbalance valve.
It is convenient that the position of above-mentioned each component is illustrated, and can save the arrangement time.
Lower vehicle frame hydraulic circuit includes the running motor 21 being arranged on lower vehicle frame 30, parking brake 22, gearbox
23, high-speed gear-shifting oil cylinder 24, low speed shift cylinder 37, preceding travelling gantry frame brake 25, rear axle running brake 26, bidirectional hydraulic lock
27, balancing cylinder lock 28, balancing cylinder, soil-shifting oil cylinder, fluid-link steering oil cylinder, center-rotary joint 6 are oily with fluid-link steering respectively
Cylinder, bidirectional hydraulic lock 27, high-speed gear-shifting oil cylinder 24, low speed shift cylinder 37, balancing cylinder lock 28, running motor 21, parking system
Dynamic device 22, preceding travelling gantry frame brake 25, rear axle running brake 26 connect.Balancing cylinder is connect with balancing cylinder.Two-way liquid
Pressure lock 27 is connect with soil-shifting oil cylinder.Running motor 21 is connect with gearbox 23.
Running motor 21, high-speed gear-shifting oil cylinder 24, low speed shift cylinder 37, gearbox 23, parking brake 22 are respectively positioned on
30 middle part of lower vehicle frame.Preceding travelling gantry frame brake 25 is two, is separately positioned on two front-wheels 32, rear axle running brake 26 is
It two, is separately positioned on two trailing wheels 33.Balancing cylinder lock 28 and balancing cylinder are arranged at 30 rear portion interposition of lower vehicle frame
It sets, bidirectional hydraulic lock 27 and soil-shifting oil cylinder are arranged at 30 front medial location of lower vehicle frame.Above-mentioned position, can be by lower vehicle frame
30 gravity balance improves the balance of lower vehicle frame 30 at 30 middle part of lower vehicle frame.The setting of bidirectional hydraulic lock 27 can play pressurize
With the effect of locking soil-shifting oil cylinder position, so that soil-shifting oil cylinder is not automatically skidded off because of other reasons and cause the accident, knot can be improved
The safety of structure.
In short, the above is only the preferred embodiment of the present invention, it is all according to present utility model application the scope of the claims institute
The equivalent changes and modifications of work should all belong to the covering scope of the utility model patent.
Claims (7)
1. frame hydraulic oil circuit, including upper frame hydraulic circuit and lower vehicle frame hydraulic circuit, it is characterised in that：Upper frame hydraulic oil
Road includes oil absorption filter（1）, be arranged at upper frame（29）On fuel tank（31）, multi-way valve（3）, high-speed gear-shifting valve（4）, it is low
Fast shift valve（35）, center-rotary joint（6）, walking reversal valve（7）, Dual-path brake valve（9）, preceding diaphragm accumulator（10）、
Metacneme formula accumulator（36）, hydraulic steering gear（11）, parking controller, double check valve（14）, guide oil source valve（15）, main pump
（16）, oil gathering block（19）, prefill valve（20）, left and right bridge crossing plate, soil-shifting valve, fuel tank（31）With oil absorption filter（1）Connection, oil suction
Filter（1）Respectively with brake tooth wheel pump（17）, main pump（16）Connection, brake tooth wheel pump（17）With prefill valve（20）Connection, fills
Liquid valve（20）With double check valve（14）Connection, two-way check valve respectively with preceding diaphragm accumulator（10）, metacneme formula accumulator
（36）, parking brake control valve（12）Connection, preceding diaphragm accumulator（10）, metacneme formula accumulator（36）And twinplex
Dynamic valve（9）Connection, main pump（16）Respectively with hydraulic steering gear（11）, guide oil source valve（15）Connection, guide oil source valve（15）Point
Not with high-speed gear-shifting valve（4）, low speed shift valve（35）, equilibrium oil cylinder valve, oil gathering block（19）Connection, oil gathering block（19）With controlled
Bridge plate connect, left and right bridge crossing plate respectively with walking reversal valve（7）, soil-shifting valve, revolution shuttle valve（8）Connection, multi-way valve（3）Respectively with
Left and right bridge crossing plate, walking reversal valve（7）, soil-shifting valve, revolution shuttle valve（8）, main pump（16）Connection, center-rotary joint（6）Respectively
With Dual-path brake valve（9）, parking brake control valve（12）, high-speed gear-shifting valve（4）, low speed shift valve（35）, equilibrium oil cylinder valve,
Hydraulic steering valve, multi-way valve（3）Connection；Lower vehicle frame hydraulic circuit includes being arranged at lower vehicle frame（30）On running motor
（21）, parking brake（22）, high-speed gear-shifting oil cylinder（24）, low speed shift cylinder（37）, preceding travelling gantry frame brake（25）, rear axle
Running brake（26）, bidirectional hydraulic lock（27）, balancing cylinder lock（28）, fluid-link steering oil cylinder, center-rotary joint（6）Respectively
With fluid-link steering oil cylinder, bidirectional hydraulic lock（27）, high-speed gear-shifting oil cylinder（24）, low speed shift cylinder（37）, balancing cylinder lock
（28）, running motor（21）, parking brake（22）, preceding travelling gantry frame brake（25）, rear axle running brake（26）Connection.
2. frame hydraulic oil circuit according to claim 1, it is characterised in that：Dual-path brake valve（9）Pass through two-way oil pipe
（34）With center-rotary joint（6）Connection.
3. frame hydraulic oil circuit according to claim 1, it is characterised in that：Upper frame hydraulic circuit further includes revolution shuttle valve
（8）, pilot handle, left and right bridge crossing plate connect with pilot handle, pilot handle and revolution shuttle valve（8）Shuttle valve is turned round in connection（8）With
Multi-way valve（3）Connection.
4. frame hydraulic oil circuit according to claim 1, it is characterised in that：Lower vehicle frame hydraulic circuit further includes equilibrium oil
Cylinder, balancing cylinder are connect with balancing cylinder.
5. frame hydraulic oil circuit according to claim 1, it is characterised in that：Lower vehicle frame hydraulic circuit further includes oil of bulldozing
Cylinder, bidirectional hydraulic lock（27）It is connect with soil-shifting oil cylinder.
6. frame hydraulic oil circuit according to claim 1, it is characterised in that：Running motor（21）, high-speed gear-shifting oil cylinder
（24）, low speed shift cylinder（37）, parking brake（22）It is respectively positioned on lower vehicle frame（30）Middle part.
7. frame hydraulic oil circuit according to claim 1, it is characterised in that：Preceding travelling gantry frame brake（25）It is two, point
It is not arranged in two front-wheels（32）On, rear axle running brake（26）It is two, is separately positioned on two trailing wheels（33）On.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820082943.7U CN207879743U (en) | 2018-01-18 | 2018-01-18 | Frame hydraulic oil circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820082943.7U CN207879743U (en) | 2018-01-18 | 2018-01-18 | Frame hydraulic oil circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207879743U true CN207879743U (en) | 2018-09-18 |
Family
ID=63507340
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820082943.7U Withdrawn - After Issue CN207879743U (en) | 2018-01-18 | 2018-01-18 | Frame hydraulic oil circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207879743U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108167246A (en) * | 2018-01-18 | 2018-06-15 | 福建新源重工有限公司 | Frame hydraulic oil circuit |
| CN113135227A (en) * | 2021-05-27 | 2021-07-20 | 奇瑞汽车股份有限公司 | Hydraulic steering gear adapter, hydraulic steering gear and automobile |
-
2018
- 2018-01-18 CN CN201820082943.7U patent/CN207879743U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108167246A (en) * | 2018-01-18 | 2018-06-15 | 福建新源重工有限公司 | Frame hydraulic oil circuit |
| CN108167246B (en) * | 2018-01-18 | 2024-04-30 | 福建新源重工有限公司 | Hydraulic oil way of frame |
| CN113135227A (en) * | 2021-05-27 | 2021-07-20 | 奇瑞汽车股份有限公司 | Hydraulic steering gear adapter, hydraulic steering gear and automobile |
| CN113135227B (en) * | 2021-05-27 | 2022-05-03 | 奇瑞汽车股份有限公司 | Hydraulic steering gear adapter, hydraulic steering gear and automobile |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180918 Effective date of abandoning: 20240430 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20180918 Effective date of abandoning: 20240430 |