CN108915007A - A kind of excavator swing arm dipper energy conserving system - Google Patents
A kind of excavator swing arm dipper energy conserving system Download PDFInfo
- Publication number
- CN108915007A CN108915007A CN201810744741.9A CN201810744741A CN108915007A CN 108915007 A CN108915007 A CN 108915007A CN 201810744741 A CN201810744741 A CN 201810744741A CN 108915007 A CN108915007 A CN 108915007A
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- Prior art keywords
- valve
- throttle
- hydraulic fluid
- fluid port
- connects
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- 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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Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
- E02F3/36—Component parts
- E02F3/42—Drives for dippers, buckets, dipper-arms or bucket-arms
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
- E02F3/36—Component parts
- E02F3/42—Drives for dippers, buckets, dipper-arms or bucket-arms
- E02F3/425—Drive systems for dipper-arms, backhoes or the like
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
- E02F9/22—Hydraulic or pneumatic drives
- E02F9/2264—Arrangements or adaptations of elements for hydraulic drives
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Operation Control Of Excavators (AREA)
Abstract
The invention discloses a kind of excavator swing arm dipper energy conserving systems, the system comprises fuel tanks, main variable pump, motor one, first overflow valve, main reversing valve, first check valve, second one-way valve, boom cylinder, third check valve, first solenoid valve, second solenoid valve, pressure sensor one, pressure sensor two, accumulator one, accumulator two, first throttle valve, second throttle, 4th check valve, 5th check valve, 6th check valve, 7th check valve, reversal valve, first throttle valve, variable displacement motor, secondary variable pump, motor two, second overflow valve, secondary reversal valve, second throttle, third throttle valve, cooler, bucket arm cylinder and controller.The present invention sufficiently recycles the hydraulic energy in swing arm, energy saving, while throttle valve is added can enhance the stability of swing arm and dipper rise and fall.
Description
Technical field
The invention belongs to excavator fields, and in particular to a kind of Hydraulic slewing system.
Background technique
Fewer for the recycling research of the hydraulic energy of swing arm and dipper at present, the way of recycling of use is less, Er Qieli
It is low with rate, it is difficult to control the speed of dipper when being not suitable for universal use, and utilizing again after energy regenerating, causes oil liquid
Waste.
Summary of the invention
The present invention to solve the above-mentioned problems, provides a kind of Hydraulic slewing system.
The present invention is specifically implemented with the following technical solutions,
A kind of excavator swing arm dipper energy conserving system, the system comprises fuel tank, main variable pump, motor one, the first overflow valve,
Main reversing valve, the first check valve, second one-way valve, boom cylinder, third check valve, the first solenoid valve, second solenoid valve, pressure
Sensor one, pressure sensor two, accumulator one, accumulator two, first throttle valve, second throttle, the 4th check valve, the 5th
Check valve, the 6th check valve, the 7th check valve, reversal valve, first throttle valve, variable displacement motor, secondary variable pump, motor two, the
Two overflow valves, secondary reversal valve, second throttle, third throttle valve, cooler, bucket arm cylinder and controller, the main variable pump
It is driven by motor one, one end connects oil cylinder, and the other end connects the A1 hydraulic fluid port of main reversing valve, the P1 oil of the main reversing valve
Mouth connects the rod chamber of boom cylinder by the first check valve, and the K1 hydraulic fluid port of the main reversing valve is moved by the connection of the second reversal valve
The rodless cavity of arm oil cylinder, the rod chamber of the boom cylinder and rodless cavity pass through simultaneously third check valve connect the first solenoid valve with
One end hydraulic fluid port of second solenoid valve, the other end hydraulic fluid port of first solenoid valve connect accumulator one, and the accumulator one is to dynamic
First throttle valve and the 4th check valve, the other end oil of the second solenoid valve are disposed on the oil circuit of arm cylinder rod chamber
Mouthful connection accumulator two is disposed with second throttle and the 5th on the oil circuit of the accumulator two to boom cylinder rodless cavity
Check valve, the rod chamber of the boom cylinder connect the P2 hydraulic fluid port of reversal valve, the nothing of the boom cylinder by the 6th check valve
Rod cavity connects the K2 hydraulic fluid port of reversal valve by the 7th check valve, and the A2 hydraulic fluid port of the reversal valve connects first throttle valve, by the
Oil liquid is transported in variable displacement motor by one throttle valve, and for driving the rotation of secondary variable pump, motor two is also for driving pair
Oil liquid is pumped into the A3 hydraulic fluid port of secondary reversal valve, secondary reversal valve P3 hydraulic fluid port connection by the rotation of variable pump, secondary variable pump from fuel tank
Second throttle, cooler is provided on the oil circuit of the rodless cavity of second throttle to bucket arm cylinder, and secondary reversal valve K3 hydraulic fluid port connects
Connect third throttle valve, third throttle valve connects the rod chamber of bucket arm cylinder, and secondary reversal valve B3 hydraulic fluid port connects fuel tank, secondary variable pump with
The first actuator port of overflow valve is provided between secondary reversal valve A3 hydraulic fluid port, the second actuator port of the overflow valve connects oil
Case.
Further, the commutation and the solenoid valve that the controller is used to control the reversal valve obtain on-off.
Further, the controller is used to receive the measurement data of pressure sensor one and pressure sensor two, thus
Control the on-off of the first solenoid valve, second solenoid valve, and control first throttle valve, the on-off of second throttle.
The beneficial effects of the invention are that：The hydraulic energy of swing arm is sufficiently recycled, it is energy saving, while throttle valve is added can
Enhance the stability of swing arm and dipper rise and fall.
Detailed description of the invention
Fig. 1 present hydraulic system schematic diagram；
Fuel tank 1 in figure, main variable pump 2, motor 1, the first overflow valve 4, main reversing valve 5,
First check valve 6, second one-way valve 7, boom cylinder 8, third check valve 9, the first solenoid valve 10, second solenoid valve 11,
Pressure sensor 1, pressure sensor 2 13, accumulator 1, accumulator 2 15, first throttle valve 16, second throttle
17, the 4th check valve 18, the 5th check valve 19, the 6th check valve 20, the 7th check valve 21, reversal valve 22, first throttle valve 23,
Variable displacement motor 24, secondary variable pump 25, motor 2 26, the second overflow valve 27, secondary reversal valve 28, second throttle 29, third section
Flow valve 30, cooler 31, bucket arm cylinder 32.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings.
As shown in Figure 1, the system comprises fuel tanks 1, master the present invention provides a kind of excavator swing arm dipper energy conserving system
Variable pump 2, motor 1, the first overflow valve 4, main reversing valve 5, the first check valve 6, second one-way valve 7, boom cylinder 8,
Three check valves 9, the first solenoid valve 10, second solenoid valve 11, pressure sensor 1, pressure sensor 2 13, accumulator 1,
Accumulator 2 15, first throttle valve 16, second throttle 17, the 4th check valve 18, the 5th check valve 19, the 6th check valve 20,
7th check valve 21, reversal valve 22, first throttle valve 23, variable displacement motor 24, secondary variable pump 25, motor 2 26, the second overflow
Valve 27, secondary reversal valve 28, second throttle 29, third throttle valve 30, cooler 31, bucket arm cylinder 32 and controller, the master
Variable pump 2 is driven by motor 1, and one end connects oil cylinder 1, and the other end connects the A1 hydraulic fluid port of main reversing valve 5, and the master changes
Connect the rod chamber of boom cylinder 8 by the first check valve 6 to the P1 hydraulic fluid port of valve 5, the K1 hydraulic fluid port of the main reversing valve 5 passes through the
Two reversal valves 7 connect the rodless cavity of boom cylinder 8, and the rod chamber and rodless cavity of the oil cylinder of the boom cylinder 8 pass through the simultaneously
Three check valves 9 connect one end hydraulic fluid port of the first solenoid valve 10 and second solenoid valve 11,
The other end hydraulic fluid port of first solenoid valve 10 connects accumulator 1, the accumulator one to 8 rod chamber of boom cylinder
Oil circuit on be disposed with first throttle valve 16 and the 4th check valve 18,
The other end hydraulic fluid port of the second solenoid valve 11 connects accumulator 2 15, the accumulator two to 8 rodless cavity of boom cylinder
Oil circuit on be disposed with second throttle 17 and the 5th check valve 19,
The rod chamber of the boom cylinder 8 connects the P2 hydraulic fluid port of reversal valve 22 by the 6th check valve 20, the boom cylinder 8
Rodless cavity connects the K2 hydraulic fluid port of reversal valve 22 by the 7th check valve 21,
The A2 hydraulic fluid port of the reversal valve 22 connects first throttle valve 23, and oil liquid is transported to variable displacement motor by first throttle valve 23
In 24, for driving the rotation of secondary variable pump 25, motor 2 26 is also the rotation for driving secondary variable pump 25, secondary variable pump
25 are pumped into oil liquid from fuel tank the A3 hydraulic fluid port of secondary reversal valve 28, and secondary reversal valve P3 hydraulic fluid port connects second throttle 29, and second
Cooler 31, secondary reversal valve K3 hydraulic fluid port connection third throttling are provided on throttle valve 29 to the oil circuit of the rodless cavity of bucket arm cylinder 32
Valve 30, third throttle valve 30 connect the rod chamber of bucket arm cylinder 32, and secondary reversal valve B3 hydraulic fluid port connects fuel tank, secondary variable pump 25 and pair
The first actuator port of overflow valve is provided between reversal valve 28A3 hydraulic fluid port, the second actuator port of the overflow valve connects oil
Case.
Further, the commutation and the solenoid valve that the controller is used to control the reversal valve obtain on-off.
Further, the controller is used to receive the measurement data of pressure sensor 1 and pressure sensor 2 13,
So that the on-off of the first solenoid valve 10 of control, second solenoid valve 11, and control first throttle valve 16, second throttle 17 are logical
It is disconnected.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by those familiar with the art, all answers
It is included within the scope of the present invention.Therefore, protection scope of the present invention should be with the scope of protection of the claims
It is quasi-.
Claims (3)
1. a kind of excavator swing arm dipper energy conserving system, it is characterised in that：The system comprises fuel tanks 1, main variable pump 2, electronic
Machine 1, the first overflow valve 4, main reversing valve 5, the first check valve 6, second one-way valve 7, boom cylinder 8, third check valve 9,
One solenoid valve 10, second solenoid valve 11, pressure sensor 1, pressure sensor 2 13, accumulator 1, accumulator 2 15,
First throttle valve 16, second throttle 17, the 4th check valve 18, the 5th check valve 19, the 6th check valve 20, the 7th check valve
21, reversal valve 22, first throttle valve 23, variable displacement motor 24, secondary variable pump 25, motor 2 26, the second overflow valve 27, secondary commutation
Valve 28, second throttle 29, third throttle valve 30, cooler 31, bucket arm cylinder 32 and controller, the main variable pump 2 pass through
Motor 1 drives, and one end connects oil cylinder 1, and the other end connects the A1 hydraulic fluid port of main reversing valve 5, the P1 oil of the main reversing valve 5
Mouth connects the rod chamber of boom cylinder 8 by the first check valve 6, and the K1 hydraulic fluid port of the main reversing valve 5 passes through the second reversal valve 7 and connects
The rodless cavity of boom cylinder 8 is connect, the rod chamber and rodless cavity of the oil cylinder of the boom cylinder 8 pass through the company of third check valve 9 simultaneously
One end hydraulic fluid port of the first solenoid valve 10 and second solenoid valve 11 is connect,
The other end hydraulic fluid port of first solenoid valve 10 connects accumulator 1, the accumulator one to 8 rod chamber of boom cylinder
Oil circuit on be disposed with first throttle valve 16 and the 4th check valve 18,
The other end hydraulic fluid port of the second solenoid valve 11 connects accumulator 2 15, the accumulator two to 8 rodless cavity of boom cylinder
Oil circuit on be disposed with second throttle 17 and the 5th check valve 19,
The rod chamber of the boom cylinder 8 connects the P2 hydraulic fluid port of reversal valve 22 by the 6th check valve 20, the boom cylinder 8
Rodless cavity connects the K2 hydraulic fluid port of reversal valve 22 by the 7th check valve 21,
The A2 hydraulic fluid port of the reversal valve 22 connects first throttle valve 23, and oil liquid is transported to variable displacement motor by first throttle valve 23
In 24, for driving the rotation of secondary variable pump 25, motor 2 26 is also the rotation for driving secondary variable pump 25, secondary variable pump
25 are pumped into oil liquid from fuel tank the A3 hydraulic fluid port of secondary reversal valve 28, and secondary reversal valve P3 hydraulic fluid port connects second throttle 29, and second
Cooler 31, secondary reversal valve K3 hydraulic fluid port connection third throttling are provided on throttle valve 29 to the oil circuit of the rodless cavity of bucket arm cylinder 32
Valve 30, third throttle valve 30 connect the rod chamber of bucket arm cylinder 32, and secondary reversal valve B3 hydraulic fluid port connects fuel tank, secondary variable pump 25 and pair
The first actuator port of overflow valve is provided between reversal valve 28A3 hydraulic fluid port, the second actuator port of the overflow valve connects oil
Case.
2. a kind of excavator swing arm dipper energy conserving system as described in claim 1, it is characterised in that：The controller is for controlling
The commutation and the solenoid valve for making the reversal valve obtain on-off.
3. a kind of excavator swing arm dipper energy conserving system as claimed in claim 2, it is characterised in that：The controller is for connecing
The measurement data of pressure sensor 1 and pressure sensor 2 13 is received, thus control the first solenoid valve 10, second solenoid valve 11
On-off, and control first throttle valve 16, the on-off of second throttle 17.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810744741.9A CN108915007B (en) | 2018-07-09 | 2018-07-09 | Excavator swing arm bucket rod economizer system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810744741.9A CN108915007B (en) | 2018-07-09 | 2018-07-09 | Excavator swing arm bucket rod economizer system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108915007A true CN108915007A (en) | 2018-11-30 |
| CN108915007B CN108915007B (en) | 2020-10-30 |
Family
ID=64425623
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810744741.9A Active CN108915007B (en) | 2018-07-09 | 2018-07-09 | Excavator swing arm bucket rod economizer system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108915007B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111576537A (en) * | 2020-05-29 | 2020-08-25 | 徐州徐工挖掘机械有限公司 | Hydraulic lifting system of excavator cab and excavator |
| CN114892743A (en) * | 2022-06-08 | 2022-08-12 | 江苏大学 | Excavator potential energy recovery system based on real-time position and posture |
Citations (6)
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|---|---|---|---|---|
| WO2010026677A1 (en) * | 2008-09-04 | 2010-03-11 | キャタピラージャパン株式会社 | Hydraulic control system in working machine |
| CN102912821A (en) * | 2012-04-27 | 2013-02-06 | 华侨大学 | Hydraulic excavating energy saving system |
| CN103924629A (en) * | 2014-04-15 | 2014-07-16 | 中国人民解放军63983部队 | Hydraulic excavator driving system with potential energy recovery function |
| CN104831775A (en) * | 2015-05-14 | 2015-08-12 | 上海理工大学 | Excavator hydraulic system having engine start/stop function and adopting active pressure-adjusted type pressure common rail |
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-
2018
- 2018-07-09 CN CN201810744741.9A patent/CN108915007B/en active Active
Patent Citations (6)
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| WO2010026677A1 (en) * | 2008-09-04 | 2010-03-11 | キャタピラージャパン株式会社 | Hydraulic control system in working machine |
| CN102912821A (en) * | 2012-04-27 | 2013-02-06 | 华侨大学 | Hydraulic excavating energy saving system |
| CN105723099A (en) * | 2013-11-06 | 2016-06-29 | 卡特彼勒Sarl | Hydraulic pressure circuit and working machine |
| CN103924629A (en) * | 2014-04-15 | 2014-07-16 | 中国人民解放军63983部队 | Hydraulic excavator driving system with potential energy recovery function |
| CN104831775A (en) * | 2015-05-14 | 2015-08-12 | 上海理工大学 | Excavator hydraulic system having engine start/stop function and adopting active pressure-adjusted type pressure common rail |
| RU2624079C1 (en) * | 2016-05-19 | 2017-06-30 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Санкт-Петербургский государственный архитектурно-строительный университет" | Electronic-hydraulic control system with the bulldozer drawing |
Non-Patent Citations (1)
| Title |
|---|
| 施昊: "小型液压挖掘机压差液能和势能回收直接利用技术的研究", 《中国优秀硕士学位论文全文数据库工程科技I辑》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111576537A (en) * | 2020-05-29 | 2020-08-25 | 徐州徐工挖掘机械有限公司 | Hydraulic lifting system of excavator cab and excavator |
| CN114892743A (en) * | 2022-06-08 | 2022-08-12 | 江苏大学 | Excavator potential energy recovery system based on real-time position and posture |
| CN114892743B (en) * | 2022-06-08 | 2024-04-09 | 江苏大学 | Excavator potential energy recovery system based on real-time pose |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108915007B (en) | 2020-10-30 |
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Effective date of registration: 20200925 Address after: Room A301, building 3, No. 1669, north section of huolishan Avenue, Cihu high tech Zone, Ma'anshan City, Anhui Province Applicant after: Anhui bobit Information Technology Co.,Ltd. Address before: 243000 North Section of Tianmen Avenue, Cihu High-tech Zone, Ma'anshan City, Anhui Province, 1696 Applicant before: MAANSHAN RUNQI NEW MATERIAL SCIENCE AND TECHNOLOGY Co.,Ltd. |
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Effective date of registration: 20230814 Address after: 243000 2, 1669 north section of Huo Li Shan Road, Ma'anshan high tech Zone, Anhui Patentee after: MANSHAN LANXIN ENVIRONMENTAL TECHNOLOGY Co.,Ltd. Address before: Room A301, building 3, no.1669, north section of huolishan Avenue, Cihu high tech Zone, Ma'anshan City, Anhui Province 243000 Patentee before: Anhui bobit Information Technology Co.,Ltd. |
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Effective date of registration: 20230824 Address after: 5th Floor, Incubation Building C, No. 3600, North Section of Cihu River Road, Cihu High tech Zone, Ma'anshan City, Anhui Province, 243000 Patentee after: Maanshan Dajun Technology Development Co.,Ltd. Address before: 243000 2, 1669 north section of Huo Li Shan Road, Ma'anshan high tech Zone, Anhui Patentee before: MANSHAN LANXIN ENVIRONMENTAL TECHNOLOGY Co.,Ltd. |