CN108360818A - A kind of tandem type oil electric mixed dynamic jib concrete pump truck - Google Patents
A kind of tandem type oil electric mixed dynamic jib concrete pump truck Download PDFInfo
- Publication number
- CN108360818A CN108360818A CN201810355254.3A CN201810355254A CN108360818A CN 108360818 A CN108360818 A CN 108360818A CN 201810355254 A CN201810355254 A CN 201810355254A CN 108360818 A CN108360818 A CN 108360818A
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- Prior art keywords
- hydraulic pump
- pumping
- generator
- lubrication
- system hydraulic
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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
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/42—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by the architecture of the hybrid electric vehicle
- B60K6/46—Series type
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/62—Hybrid vehicles
Abstract
The invention discloses a kind of tandem type oil electric mixed dynamic jib concrete pump trucks, including automobile chassis unit and pumping unit, the automobile chassis unit includes clutch, gearbox, transfer case, universal driving device, drive axle, driving system, steering and braking system；The pumping unit includes pumping system, oscillation system, stirring/cooling/lubrication/cleaning system and arm support/supporting leg/rotary system, and pumping system hydraulic pump, oscillation system hydraulic pump, stirring/cooling/lubrication/cleaning system hydraulic pump and arm support/supporting leg/rotary system hydraulic pump are correspondingly provided on pumping system, oscillation system, stirring/cooling/lubrication/cleaning system and arm support/supporting leg/rotary system.The present invention is connected diesel engine, generator and motor in series by electric energy coupling apparatus, forms series-connection hybrid electric driving structure, and the energy-saving and emission-reduction of jib concrete pump truck are realized by the effect of Energy Management System.
Description
Technical field
The present invention relates to a kind of tandem type oil electric mixed dynamic jib concrete pump trucks, belong to concrete pumping machinery skill
Art field.
Background technology
The energy is that human survival produces movable material bases with all are engaged in.With the rapid hair of industrial technology in the world
Exhibition, energy shortage and problem of environmental pollution are also on the rise.Currently, every country launches respectively policies and regulations, motor vehicle is forced
Discharge index, forbid the sale and use of the motor vehicle of discharge beyond standards.The especially non-public affairs of USA and EU clear stipulaties
The discharge standard of road motor device, and the standard is moved closer in the discharge standard of highway motor device.On the other hand, some
Very preferential policy is all given to the production of the motor vehicle of low emission and zero-emission and use by such as Japan of country.In recent years, I
State has also put into effect a series of relevant laws and regulations, and gradually in line with international standards.Jib concrete pump truck in engineering machinery is due to it
Dosage is big, oil consumption is high, discharge is poor, has been increasingly becoming the main object of people's common concern.Therefore, from the point of view of long-range development,
The energy conservation and environmental protection of jib concrete pump truck is the fundamental that it enters market and is easily accepted by a user, while also will be the product
The prerequisite of survival and development.
With jib concrete pump truck being widely used in modern architecture construction, since its dosage is big, oil consumption is high, row
Difference is put, the main object of people's common concern has been increasingly becoming, how to reduce the fever of system, simplifies system design, improves system
The reliability and working life for equipment of uniting, reducing the installed power etc. of system has become domestic and international jib concrete pump truck life
The key technology difficulty that production producer faces.For this purpose, each jib concrete pump truck manufacturer concentrates Scientific Research Resource, develop
The control system of various jib concrete pump trucks.In the various jib concrete pump truck control systems developed at present
In, the hydraulic system of jib concrete pump truck is all based on to design corresponding electric control system, passes through electrical equipment
The size of action control fluid and flow direction only considered correlation and execute member to realize the action of control executive component
The Reliability of Microprocessor of part, and have ignored the energy saving importance of very crucial jib concrete pump truck.
In recent years, the successful application in view of hybrid power system on automobile receives each construction machinery production enterprise
Pay much attention to, one of the important subject for becoming Construction Machinery Energy Saving consumption reduction, reducing discharge.In order to improve next-generation
Competitiveness and occupation rate of market, major Famous Construction Machinery Manufacturers, have carried out hybrid power system in engineering machinery one after another in the world
On application study work.
Many work have been done in terms of basic research related with jib concrete pump truck and application study by foreign countries, domestic
Each colleges and universities to the hydraulic system of jib concrete pump truck, electric control system, intelligence cast, the various aspects such as hydraulic shock into
Research is gone, jib concrete pump truck manufacturer constantly puts out a new product, in hydraulic system of pump, reversal valve, electric-controlled
It improves a lot in technology processed, delivery head and fed distance, but all yet there are no hybrid power system and pumped in jib concrete
Application on vehicle.
Invention content
For traditional boom type concrete mixer dosage is big, oil consumption is high, the deficiency of discharge difference, the present invention provides a kind of series connection
Type oil electric mixed dynamic jib concrete pump truck, the concrete mixer by electric energy coupling apparatus by diesel engine, power generation
Machine and motor in series connection, form series-connection hybrid electric driving structure, are realized by the effect of Energy Management System
The energy-saving and emission-reduction of jib concrete pump truck, to realize that traditional boom type concrete mixer energy-saving and emission-reduction provide a set of feasibility
Equipment.
Technical scheme of the present invention：A kind of tandem type oil electric mixed dynamic jib concrete pump truck, including automobile chassis
Unit and pumping unit, the automobile chassis unit include clutch, gearbox, transfer case, universal driving device, driving
Bridge, driving system, steering and braking system；The pumping unit include pumping system, oscillation system, stirring/cooling/
Lubrication/cleaning system and arm support/supporting leg/rotary system, in pumping system, oscillation system, stirring/cooling/lubrication/cleaning system
Pumping system hydraulic pump, oscillation system hydraulic pump, stirring/cold are correspondingly provided on system and arm support/supporting leg/rotary system
But/lubrication/cleaning system hydraulic pump and arm support/supporting leg/rotary system hydraulic pump, are also installed respectively on automobile chassis unit
There are diesel engine, generator, motor, electric energy coupling apparatus, the first inverter, accumulator group and Energy Management System,
The diesel engine, generator and motor are to be connected in series with form, and diesel engine is connect with generator drive gear, electric energy
One input interface of coupling device is electrically connected with generator, another input interface passes through the first inverter and accumulator group
Be electrically connected, the output interface of electric energy coupling apparatus is electrically connected with motor, motor successively with clutch, gearbox and
Transfer case be sequentially connected, transfer case respectively with universal driving device, drive axle, driving system, steering, braking system, pump
Send system hydraulic pump, oscillation system hydraulic pump, stirring/cooling/lubrication/cleaning system hydraulic pump and arm support/supporting leg/revolution system
Hydraulic pump driving of uniting connects；It is separately installed with the first speed probe between the output interface and transmission input shaft of clutch
With the first torque sensor, it is separately installed with the second speed probe between diesel engine and generator and the second torque passes
Sensor；It is separately installed with first flow sensor and first pressure sensor in the exit of pumping system hydraulic pump, is being swung
The exit of system hydraulic pump is separately installed with second flow sensor and second pressure sensor, stirring/cooling/lubrication/
The exit of cleaning system hydraulic pump is separately installed with third flow sensor and third pressure sensor, arm support/supporting leg/return
Transfer from one department to another the to unite exit of hydraulic pump is separately installed with the 4th flow sensor and the 4th pressure sensor, each sensor with energy
The input terminal that buret manages system is electrically connected, the output end of Energy Management System respectively with pumping system hydraulic pump, oscillation system
Hydraulic pump, stirring/cooling/lubrication/cleaning system hydraulic pump and arm support/supporting leg/rotary system hydraulic pump are electrically connected, simultaneously
Energy Management System is electrically connected with the controller on diesel engine, generator and motor respectively.
Further, the accumulator group is mounted in accumulator group fixing groove, and accumulator group fixing groove is fixedly mounted on
On automobile chassis, accumulator group is electrically connected by the second inverter and power interface, and power interface can be with external AC/DC electricity
Source is electrically connected, and accumulator group and power interface are electrically connected with the input terminal of Energy Management System and output end respectively.
Due to the adoption of the above technical scheme, the advantage of the invention is that：The present invention is sent out diesel oil by electric energy coupling apparatus
Motivation, generator and motor in series connection, form series-connection hybrid electric driving structure, pass through the work of Energy Management System
For realizing the energy-saving and emission-reduction of jib concrete pump truck.Therefore, the present invention will be helpful to improve jib concrete pump truck
Reliability and working life reduce the installed power of jib concrete pump truck, to help somewhat to save arm
The manufacture of posture concrete mixer and maintenance cost will bring considerable warp for the manufacturer of jib concrete pump truck and user
Ji benefit.
Description of the drawings
Fig. 1 is the general structure schematic diagram of the present invention；
Fig. 2 is the work flow diagram of the present invention.
Specific implementation mode
To make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and examples to this hair
It is bright to be described in further detail.
The embodiment of the present invention：Structural schematic diagram such as Fig. 1 institutes of tandem type oil electric mixed dynamic jib concrete pump truck
Show, including automobile chassis unit and pumping unit, the automobile chassis unit includes clutch 11, gearbox 14, transfer case
15, universal driving device 16, drive axle 17, driving system 18, steering 19 and braking system 20；The pumping unit packet
Pumping system 27, oscillation system 31, stirring/cooling/lubrication/cleaning system 35 and arm support/supporting leg/rotary system 8 are included, is being pumped
It send on system 27, oscillation system 31, stirring/cooling/lubrication/cleaning system 35 and arm support/supporting leg/rotary system 8 accordingly
It is provided with pumping system hydraulic pump 24, oscillation system hydraulic pump 28, stirring/cooling/lubrication/cleaning system hydraulic pump 32 and arm
Frame/supporting leg/rotary system hydraulic pump 36 is also separately installed with diesel engine 2, generator 3, electronic on automobile chassis unit
Machine 9, electric energy coupling apparatus 10, the first inverter 4, accumulator group 5 and Energy Management System 1, the diesel engine 2, hair
Motor 3 and motor 9 are the form that is connected in series with, and diesel engine 2 is sequentially connected with generator 3, electric energy coupling apparatus 10
One input interface is electrically connected with generator 3, another input interface is electrically connected by the first inverter 4 with accumulator group 5
Connect, the output interface of electric energy coupling apparatus 10 is electrically connected with motor 9, motor 9 successively with clutch 11, gearbox 14 with
And transfer case 15 be sequentially connected, transfer case 15 respectively with universal driving device 16, drive axle 17, driving system 18, steering
19, braking system 20, pumping system hydraulic pump 24, oscillation system hydraulic pump 28, stirring/cooling/lubrication/cleaning system hydraulic pump
32 and arm support/supporting leg/rotary system hydraulic pump 36 is sequentially connected；In 14 input shaft of output interface and gearbox of clutch 11
Between be separately installed with the first speed probe 12 and the first torque sensor 13, between diesel engine 2 and generator 3 point
Second speed probe 6 and the second torque sensor 7 are not installed；It is separately installed in the exit of pumping system hydraulic pump 24
First flow sensor 25 and first pressure sensor 26 are separately installed with second in the exit of oscillation system hydraulic pump 28
Quantity sensor 29 and second pressure sensor 30 are pacified respectively in the exit of stirring/cooling/lubrication/cleaning system hydraulic pump 32
Equipped with third flow sensor 33 and third pressure sensor 34, punished in the outlet of arm support/supporting leg/rotary system hydraulic pump 36
4th flow sensor 37 and the 4th pressure sensor 38, input of each sensor with Energy Management System 1 are not installed
End is electrically connected, the output end of Energy Management System 1 respectively with pumping system hydraulic pump 24, oscillation system hydraulic pump 28, stirring/
Cooling/lubrication/cleaning system hydraulic pump 32 and arm support/supporting leg/rotary system hydraulic pump 36 are electrically connected, while energy management
System 1 is electrically connected with the controller on diesel engine 2, generator 3 and motor 9 respectively.The accumulator group 5 is installed
In accumulator group fixing groove, accumulator group fixing groove is fixedly mounted on automobile chassis, accumulator group 5 passes through the second inversion
Device 21 is electrically connected with power interface 22, and power interface 22 can be electrically connected with external AC/DC power supply 23,5 He of accumulator group
Power interface 22 is electrically connected with the input terminal of Energy Management System 1 and output end respectively, and such concrete mixer can be with
It is charged to accumulator group 5 by external power supply, improves the cruising ability of its work.
The course of work of the present invention：
Referring to Fig. 1 and Fig. 2, jib concrete pump truck can be operated in transport condition, can also be operated in pumping state.
Generator 3 is operated in generating state, and motor 9 is operated in motoring condition.Diesel engine 2, generator 3 and motor 9 are string
Connection connection.The power interface 22 of accumulator group 5 and external AC/DC power supply 23 is provided, accumulator group 5 can be connect by the power supply
Mouth 22 is connect with external AC/DC power supply 23.Energy Management System 1 is according to 9 related data of motor and accumulator group 5
SOC calculates the power P m of motor 9, according to the power P e of the correlation data calculation diesel engine 2 of diesel engine 2.
1. when jib concrete pump truck is operated in transport condition, by electric energy coupling apparatus 10 by diesel engine 2,
Generator 3 and motor 9 are connected in series with, and Energy Management System 1 is according to the first speed probe 12 and the first torque sensing
The data of device 13 calculate demand power Pd, are selected as follows according to driving cycle：(1) 5 drive motor of accumulator group is used
9, then tray unit is driven by motor 9；(2) it uses diesel engine 2 to drive generator 3, then is driven by generator 3 electronic
Machine 9 drives tray unit finally by motor 9；(3) accumulator group 5, diesel engine 2 and generator 3 is used to drive jointly
Dynamic motor 9, then tray unit is driven by motor 9, to realize the advance of jib concrete pump truck, retroversion, steering, system
The driving cycles such as dynamic, temporary parking, parking.
(1) if Pd<Pm, selection uses 5 drive motor 9 of accumulator group, then drives tray unit using motor 9,
Generator 3 is stopped；
(2) if Pm<Pd<Pe, selection drive generator 3 using diesel engine 2, then by 3 drive motor of generator
9, drive tray unit, generator 3 to be operated in generating state finally by motor 9；
(3) if Pd>Pe, using accumulator group 5, diesel engine 2 and generator 3, driving chassis is single jointly for selection
Member, generator 3 are operated in generating state.
2. when jib concrete pump truck is operated in pumping state, by electric energy coupling apparatus 10 by diesel engine 2,
Generator 3 and motor 9 are connected in series with, and Energy Management System 1 is according to the first speed probe 12 and the first torque sensing
The data of device 13 calculate demand power Pd, are automatically selected according to pumping operating mode：(1) 5 drive motor 9 of accumulator group is used, then
Pumping unit is driven by motor 9；(2) diesel engine 2 is used to drive generator 3, then by 3 drive motor 9 of generator,
Pumping unit is driven finally by motor 9；(3) accumulator group 5, diesel engine 2 and generator 3 driving electricity jointly are used
Motivation 9, then pumping unit is driven by motor 9, to realize the arm support folding expansion, revolution, branch of jib concrete pump truck
Leg stretching is retracted, stirring, cooling, lubrication, is cleaned, positive pump, anti-the pumping operating mode such as pump, swing.
(1) if Pd<Pm, selection uses 5 drive motor 9 of accumulator group, then drives pumping unit using motor 9,
Generator 3 is stopped；
(2) if Pm<Pd<Pe, selection drive generator 3 using diesel engine 2, then by 3 drive motor of generator
9, drive pumping unit, generator 3 to be operated in generating state finally by motor 9；
(3) if Pd>Pe, using accumulator group 5, diesel engine 2 and generator 3, driving pumping is single jointly for selection
Member, generator 3 are operated in generating state.
When the mechanical energy that diesel engine 2 exports is more than energy needed for driving cycle or pumping operating mode, extra machinery
Power storage can be converted by generator 3 in accumulator group 5；When the mechanical energy that diesel engine 2 exports is less than traveling work
Needed for condition or pumping operating mode when energy, accumulator group 5 is discharged, and 9 output mechanical energy auxiliary diesel engine 2 of motor is into action edge
Output.
3. when jib concrete pump truck is operated in transport condition or pumping state, Energy Management System 1 monitors in real time
The SOC value of accumulator group 5, if SOC value is less than setting value, Energy Management System 1 sends out signal to power interface 22, passes through electricity
Source interface 22 connects external AC/DC power supply 23, charges to accumulator group 5.
The Energy Management System 1 used in the present embodiment is existing PLC controller, motor 9 that the present invention uses, hair
Motor 3, accumulator group 5, inverter, power interface 22, speed probe, torque sensor, flow sensor and pressure sensing
Device etc. is commercially available on the market.
Claims (2)
1. a kind of tandem type oil electric mixed dynamic jib concrete pump truck, including automobile chassis unit and pumping unit, described
Automobile chassis unit include clutch (11), gearbox (14), transfer case (15), universal driving device (16), drive axle
(17), driving system (18), steering (19) and braking system (20)；The pumping unit include pumping system (27),
Oscillation system (31), stirring/cooling/lubrication/cleaning system (35) and arm support/supporting leg/rotary system (8), in pumping system
(27), corresponding on oscillation system (31), stirring/cooling/lubrication/cleaning system (35) and arm support/supporting leg/rotary system (8)
Ground is provided with pumping system hydraulic pump (24), oscillation system hydraulic pump (28), stirring/cooling/lubrication/cleaning system hydraulic pump
(32) and arm support/supporting leg/rotary system hydraulic pump (36), it is characterised in that：It is also separately installed on automobile chassis unit
Diesel engine (2), generator (3), motor (9), electric energy coupling apparatus (10), the first inverter (4), accumulator group (5)
And Energy Management System (1), the diesel engine (2), generator (3) and motor (9) are to be connected in series with form, bavin
Oil turbine (2) is sequentially connected with generator (3), and an input interface and generator (3) for electric energy coupling apparatus (10) is electrical
Connection, another input interface are electrically connected by the first inverter (4) and accumulator group (5), electric energy coupling apparatus (10)
Output interface and motor (9) are electrically connected, motor (9) successively with clutch (11), gearbox (14) and transfer case
(15) be sequentially connected, transfer case (15) respectively with universal driving device (16), drive axle (17), driving system (18), steering system
System (19), braking system (20), pumping system hydraulic pump (24), oscillation system hydraulic pump (28), stirring/cooling/lubrication/cleaning
System hydraulic pump (32) and arm support/supporting leg/rotary system hydraulic pump (36) are sequentially connected；Output interface in clutch (11)
It is separately installed with the first speed probe (12) and the first torque sensor (13) between gearbox (14) input shaft, in diesel oil
The second speed probe (6) and the second torque sensor (7) are separately installed between engine (2) and generator (3)；It is pumping
The exit of system hydraulic pump (24) is separately installed with first flow sensor (25) and first pressure sensor (26), is swinging
The exit of system hydraulic pump (28) is separately installed with second flow sensor (29) and second pressure sensor (30), is stirring
Mix/cool down/exit of lubrication/cleaning system hydraulic pump (32) is separately installed with third flow sensor (33) and third pressure
Sensor (34) is separately installed with the 4th flow sensor (37) in the exit of arm support/supporting leg/rotary system hydraulic pump (36)
With the 4th pressure sensor (38), each sensor is electrically connected with the input terminal of Energy Management System (1), energy management system
Unite (1) output end respectively with pumping system hydraulic pump (24), oscillation system hydraulic pump (28), stirring/cooling/lubrication/cleaning
System hydraulic pump (32) and arm support/supporting leg/rotary system hydraulic pump (36) are electrically connected, while Energy Management System (1) point
It is not electrically connected with the controller on diesel engine (2), generator (3) and motor (9).
2. tandem type oil electric mixed dynamic jib concrete pump truck according to claim 1, it is characterised in that：The storage
Battery pack (5) is mounted in accumulator group fixing groove, accumulator group fixing groove is fixedly mounted on automobile chassis, accumulator group
(5) it is electrically connected by the second inverter (21) and power interface (22), power interface (22) can be with external AC/DC power supply
(23) it is electrically connected, accumulator group (5) and power interface (22) input terminal and output end with Energy Management System (1) respectively
It is electrically connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810355254.3A CN108360818A (en) | 2018-04-19 | 2018-04-19 | A kind of tandem type oil electric mixed dynamic jib concrete pump truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810355254.3A CN108360818A (en) | 2018-04-19 | 2018-04-19 | A kind of tandem type oil electric mixed dynamic jib concrete pump truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108360818A true CN108360818A (en) | 2018-08-03 |
Family
ID=63008897
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810355254.3A Withdrawn CN108360818A (en) | 2018-04-19 | 2018-04-19 | A kind of tandem type oil electric mixed dynamic jib concrete pump truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108360818A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109057347A (en) * | 2018-10-17 | 2018-12-21 | 三汽车制造有限公司 | Pump truck |
| US11662384B2 (en) | 2020-11-13 | 2023-05-30 | Yantai Jereh Petroleum Equipment & Technologies Co., Ltd. | Motor malfunction monitoring device, drive motor system and motor malfunction monitoring method |
| US11680474B2 (en) | 2019-06-13 | 2023-06-20 | Yantai Jereh Petroleum Equipment & Technologies Co., Ltd. | Fracturing apparatus and control method thereof, fracturing system |
| US11680472B2 (en) | 2020-11-24 | 2023-06-20 | Yantai Jereh Petroleum Equipment & Technologies Co., Ltd. | Fracturing system |
| WO2023155038A1 (en) * | 2022-02-15 | 2023-08-24 | 烟台杰瑞石油装备技术有限公司 | Electric drive pumping system and driving method thereof |
| US11746636B2 (en) | 2019-10-30 | 2023-09-05 | Yantai Jereh Petroleum Equipment & Technologies Co., Ltd. | Fracturing apparatus and control method thereof, fracturing system |
-
2018
- 2018-04-19 CN CN201810355254.3A patent/CN108360818A/en not_active Withdrawn
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109057347A (en) * | 2018-10-17 | 2018-12-21 | 三汽车制造有限公司 | Pump truck |
| US11680474B2 (en) | 2019-06-13 | 2023-06-20 | Yantai Jereh Petroleum Equipment & Technologies Co., Ltd. | Fracturing apparatus and control method thereof, fracturing system |
| US11746636B2 (en) | 2019-10-30 | 2023-09-05 | Yantai Jereh Petroleum Equipment & Technologies Co., Ltd. | Fracturing apparatus and control method thereof, fracturing system |
| US11662384B2 (en) | 2020-11-13 | 2023-05-30 | Yantai Jereh Petroleum Equipment & Technologies Co., Ltd. | Motor malfunction monitoring device, drive motor system and motor malfunction monitoring method |
| US11680472B2 (en) | 2020-11-24 | 2023-06-20 | Yantai Jereh Petroleum Equipment & Technologies Co., Ltd. | Fracturing system |
| WO2023155038A1 (en) * | 2022-02-15 | 2023-08-24 | 烟台杰瑞石油装备技术有限公司 | Electric drive pumping system and driving method thereof |
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Application publication date: 20180803 |