CN102981466A - Concrete pump truck electronic control system and concrete pump truck including the same - Google Patents
Concrete pump truck electronic control system and concrete pump truck including the same Download PDFInfo
- Publication number
- CN102981466A CN102981466A CN2012104539178A CN201210453917A CN102981466A CN 102981466 A CN102981466 A CN 102981466A CN 2012104539178 A CN2012104539178 A CN 2012104539178A CN 201210453917 A CN201210453917 A CN 201210453917A CN 102981466 A CN102981466 A CN 102981466A
- Authority
- CN
- China
- Prior art keywords
- engine
- controller
- control system
- pumping
- concrete mixer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Landscapes
- Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
Abstract
The invention discloses a concrete pump truck electronic control system which comprises a pumping controller, a motor controller and a transverter, wherein the pumping controller works in a first communication standard, the motor controller works in a second communication standard, the transverter is connected between the pumping controller and the motor controller. The transverter achieves the conversion between the first communication standard and the second communication standard, so that communication between the pumping controller and the motor controller is achieved. According to the concrete pump truck electronic control system, the pumping controller can monitor load rate of the motor, and cooperates with movements of an oil pump, and correspondingly adjusts output volume. The saving in energy and reducing in cost are achieved, and pumping impact is reduced. Service life of a pump truck is prolonged. The invention further provides a concrete pump truck.
Description
Technical field
The present invention relates to field of automobile, particularly a kind of concrete mixer electric-control system and have the concrete mixer of this concrete mixer electric-control system.
Background technology
At present, the pumping controller gathers engine speed and control engine acceleration and deceleration by rigid line in the concrete mixer from engine controller, as shown in Figure 7, synoptic diagram for existing pumping controller, a plurality of input pins (1 to No. 10 pin) and a plurality of output pin (11 to No. 19 pins) and a control end have mainly been comprised, when control end get electric after, the pumping controller is started working, pin one 0 is used for gathering by rigid line the tach signal of engine, and pin one 1 and pin one 2 are used for sending engine acceleration, deceleration signal by rigid line to engine.The control principle of this pumping controller is: when control end gets when electric, and the adhesive of K3 relay, the pumping controller gets electric, at this moment, stir S 1 switch (pin one, 2 inputs), pin one 1,12 can be exported to engine accordingly, control its rotating speed, the proportioning pump displacement size improves the pumping number of times; When from pin 8 input discharge capacity signal, the corresponding output current of pin one 8 meetings is to displacement valves, and the size of control pump discharge capacity improves the pumping number of times; After stirring the S2 switch, pin one 1,12 is exported to engine, the automatic ascending, descending speed of control engine is to setting rotating speed, the beginning pumpdown, according to pin 3,4,5,6 input condition, control driving cylinder A, driving cylinder B, oscillating cylinder A, 3,14,15,16 outputs of oscillating cylinder B(pin one) output logic.In addition, obtain the signal (pin 7) of jib by-pass valve when control module after, pin one 1,12 output make engine speed arrive the setting rotating speed, pin one 7 is exported to jib by-pass valve electricity, at this moment, the manual or remote control jib action of ability is delivered to different places with proportioning pump.Obtain the signal (pin 9) of supporting leg switch when control module after, pin one 1,12 outputs make the automatic rotating speed of engine to setting rotating speed, and pin one 9 is exported to the support leg valve electricity, at this moment, just can carry out the supporting leg action, and pump truck is supported.
Above-mentioned pumping controller employing rigid line and engine controller carry out communication and have following shortcoming:
1, control of engine speed is accurate not, directly affects the pumping controller to the control accuracy of pumping system.
2, the pumping controller can not be monitored the engine loading rate, for example when the engine loading rate is very high, in case the pumping controller requires engine speed to promote, may cause the engine infringement.
3, the engine speed speed of rigid line collection is the 500ms one-period, and renewal rate is low, and response slowly.
4, the raising speed of engine speed and reduction of speed slope need to carry out parameter calibration by engine, demarcate engine speed crawl (in the 0.5s) slope and press (more than the 0.5s) slope in restricted portion.
5, the pumping controller to take pin relatively many, design complexities is higher.
Summary of the invention
Purpose of the present invention is intended to solve at least one of described technological deficiency.
For this reason, one object of the present invention is to propose a kind of energy-conservation, control accuracy is high and reliability is high concrete mixer electric-control system.
Another object of the present invention is to propose a kind of concrete mixer.
For reaching described purpose, the embodiment of a first aspect of the present invention discloses a kind of concrete mixer electric-control system, comprising: the pumping controller, and described pumping controller is operated in the first communication standard; Engine controller, described engine controller is operated in the second communication standard; Converter, described converter are connected between described pumping controller and the engine controller, and described converter is realized the conversion of described the first communication standard and the second communication standard, to realize the communication between described pumping controller and the engine controller.
According to the concrete mixer electric-control system of the embodiment of the invention, by the CAN bus, the pumping controller can be monitored the engine loading rate, cooperate the oil pump action, corresponding adjustment displacement size realizes energy-saving and cost-reducing, reduce the purposes such as pumping impact, promote pump truck serviceable life.
In addition, concrete mixer electric-control system according to the above embodiment of the present invention can also have following additional technical characterictic:
In some instances, described converter links to each other with a CAN bus on the described pumping controller, and described converter links to each other with the 2nd CAN bus on the described engine controller.
In some instances, described pumping controller is by the current tach signal of described converter acquisition engine, and described pumping controller sends the engine driven signal to described engine controller.
In some instances, described pumping controller obtains the load factor signal of engine by described converter.
Further, described pumping controller is regulated oil pump capacity according to the load factor signal of described engine.
In some instances, described pumping controller obtains engine torque number percent signal, gas pedal stroke, engine refrigerating fluid temperature signal, oil temperature signal and the engine oil pressure signal of engine by described converter.
In some instances, described the first communication standard is the ISO11898 consensus standard, and described the second communication standard is the ISO1111992 consensus standard.
The embodiment of second aspect present invention provides a kind of concrete mixer, comprising: the described concrete mixer electric-control system of above-mentioned first aspect embodiment.
According to the concrete mixer of the embodiment of the invention, by the CAN bus, the pumping controller can be monitored the engine loading rate, cooperates the oil pump action, and corresponding adjustment displacement size realizes energy-saving and cost-reducingly, reduces the purposes such as pumping impact, promotes pump truck serviceable life.
The aspect that the present invention adds and advantage in the following description part provide, and part will become obviously from the following description, or recognize by practice of the present invention.
Description of drawings
Of the present invention and/or additional aspect and advantage are from obviously and easily understanding becoming the description of embodiment below in conjunction with accompanying drawing, wherein:
Fig. 1 is the structured flowchart of concrete mixer electric-control system according to an embodiment of the invention;
Fig. 2 is the electrical schematic diagram of concrete mixer electric-control system according to an embodiment of the invention;
Fig. 3 is the engine controller of according to an embodiment of the invention concrete mixer electric-control system sends configuration interface synoptic diagram from data to the pumping controller;
Fig. 4 is the engine controller of according to an embodiment of the invention concrete mixer electric-control system sends logical schematic from data to the pumping controller;
Fig. 5 is the pumping controller of according to an embodiment of the invention concrete mixer electric-control system sends configuration interface synoptic diagram from data to engine controller;
Fig. 6 is the pumping controller of according to an embodiment of the invention concrete mixer electric-control system sends logical schematic from data to engine controller; And
Fig. 7 is the electrical schematic diagram of a kind of concrete mixer electric-control system in the prior art.
Embodiment
The below describes embodiments of the invention in detail, and the example of described embodiment is shown in the drawings, and wherein identical or similar label represents identical or similar element or the element with identical or similar functions from start to finish.Be exemplary below by the embodiment that is described with reference to the drawings, only be used for explaining the present invention, and can not be interpreted as limitation of the present invention.
In description of the invention, it will be appreciated that, term " vertically ", " laterally ", " on ", orientation or the position relationship of the indications such as D score, 'fornt', 'back', " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward " be based on orientation shown in the drawings or position relationship, only be for convenience of description the present invention and simplified characterization, rather than indication or the hint device of indication or element must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as limitation of the present invention.
In description of the invention, need to prove, unless otherwise prescribed and limit, term " installation ", " linking to each other ", " connection " should be done broad understanding, for example, can be mechanical connection or electrical connection, also can be the connection of two element internals, can be directly to link to each other, and also can indirectly link to each other by intermediary, for the ordinary skill in the art, can understand as the case may be the concrete meaning of described term.
Describe according to the concrete mixer electric-control system of the embodiment of the invention and have the concrete mixer of this concrete mixer electric-control system below in conjunction with accompanying drawing.
Fig. 1 is the structured flowchart of concrete mixer electric-control system according to an embodiment of the invention.
As shown in Figure 1, according to the concrete mixer electric-control system 100 of the embodiment of the invention, comprise pumping controller 110, engine controller 120 and converter 130.
Particularly, pumping controller 110 is operated in the first communication standard, and the first communication standard for example is but is not limited to: the ISO11898 consensus standard.Engine controller 120 is operated in the second communication standard, and the second communication standard for example is but is not limited to: the ISO1111992 consensus standard.Converter 130 is connected between pumping controller 110 and the engine controller 120, converter 130 is realized the conversion of the first communication standard and the second communication standard, to realize the communication between pumping controller 110 and the engine controller 120, particularly, converter 130 links to each other with a CAN bus on the pumping controller 110, and converter 130 links to each other with the 2nd CAN bus on the engine controller 120, can realize carrying out the CAN communication between pumping controller 110 and the engine controller 120 by converter 130 thus.
As shown in Figure 2, in one embodiment of the invention, pumping controller 110 has comprised a plurality of input pins (1 to No. 9 pin) and a plurality of output pin (13 to No. 19 pins) and a control end and a CAN port, and this control end links to each other to link to each other with primary power or disconnects with primary power under the control of relay K 3 with relay K 3.Particularly, when relay K 3 adhesives, 110 energisings of pumping controller, at this moment, toggle switch S1(pin one or the pin two input fast signal that adds deduct), after 110 pairs of fast signals that add deduct of process pumping controller are processed, export to converter 130 by the CAN port, 130 pairs of output signals of converter (engine driven signal) are carried out protocol conversion, send to engine controller 120 after being converted to the signal of the communication standard that engine controller 120 adopts, so that engine controller 120 is according to output signal control engine rotating speed, wherein, output signal (engine driven signal) is engine signal for faster or engine retard signal for example; And the proportioning pump displacement size, improve the pumping number of times; When the discharge capacity signal is inputted by pin 8, after processing, pumping controller 110 exports suitable electric current to the size of displacement valves with the control pump discharge capacity by pin one 8, improve the pumping number of times; Behind the toggle switch S2 switch (pin 3 or the pin 4 positive pump of input or anti-pump signals), pending after by CAN port controlling engine speed to setting rotating speed, begin pumpdown; According to pin 3,4,5,6 input condition, by the output logic of pin one 3,14,15 and 16 control driving cylinder A, driving cylinder B, oscillating cylinder A, oscillating cylinder B.In addition, after by pin 7 input jib by-pass valve signals, to setting rotating speed, pin one 7 is exported to the energising of jib by-pass valve by CAN port output control automatically engine, and at this moment, the manual or remote control jib action of ability is delivered to different places with proportioning pump.After by pin 9 input supporting leg switching signals, to setting rotating speed, pin one 9 is exported to the support leg valve energising by CAN port output control automatically engine, at this moment, just can carry out the supporting leg action, and pump truck is supported.
Fig. 3 is the engine controller of according to an embodiment of the invention concrete mixer electric-control system sends configuration interface synoptic diagram from data to the pumping controller.Fig. 4 is the engine controller of according to an embodiment of the invention concrete mixer electric-control system sends logical schematic from data to the pumping controller.As shown in Figure 3 and Figure 4, in one embodiment of the invention, pumping controller 110 obtains the current tach signal of engine by converter 130, pumping controller 110 can obtain by converter 130 the load factor signal of engine, further, pumping controller 110 can be regulated oil pump capacity according to the load factor signal of engine, and pumping controller 110 also can obtain by converter 130 engine torque number percent signal, gas pedal stroke, engine refrigerating fluid temperature signal, oil temperature signal and the engine oil pressure signal of engine.
Fig. 5 is the pumping controller of according to an embodiment of the invention concrete mixer electric-control system sends configuration interface synoptic diagram from data to engine controller.Fig. 6 is the pumping controller of according to an embodiment of the invention concrete mixer electric-control system sends logical schematic from data to engine controller.As shown in Figure 5 and Figure 6, pumping controller 110 sends the engine driven signal to engine controller 120.
As a concrete example, when adopting the engine controller 120 of ISO11992 communication protocol standard and adopting between the pumping controller 110 of ISO11898 communication protocol standard communication, by converter 130 the 2nd CAN bus of engine controller 120 and a CAN bus of pumping controller 110 are connected, the rotating speed of monitoring engine and the load factor of engine when pumping controller 110 passes through bus, and the transmission bus line command is regulated engine speed, so that the size of control oil pump discharge capacity, realize pumping, jib, the speed of supporting leg operation, certainly, pumping controller 110 also can fluctuate according to engine speed, regulate engine speed and pumping rate size, thereby guarantee Systems balanth.In this example, bus refers to a CAN bus, the 2nd CAN bus and converter between the two 130.
Particularly, as shown in table 1:
Table 1
Table 1 shows the bus communication protocol contents of pumping controller 110 and engine controller 120.
As shown in table 1,110 pairs of engines of pumping controller carry out rotating speed control: send the engine driven signal controlling engine speed that name is called TSC1 by bus, the control that realizes the engine speed gamut changes, the control of its rotating speed accurately can be brought up to 1rpm, and engine controller 120 receives behind the engine driven signal directly control engine raising speed or reduction of speed to rotating speed of target.Have direct transmission rotating speed desired value, promoted the engine response execution speed.
The control of the rate of pumping of 110 pairs of pumping systems of pumping controller: because engine speed can precisely control, the opening angle that the discharge capacity passing ratio reduction valve of oil pump can the control oil pump swash plate, thus realize different rate of pumpings, meet consumers' demand.
The rotating speed renewal rate of 110 pairs of engines of pumping controller: because the speed of bus is the 50ms one-period, therefore improved 10 times than rigid line medium-rate 500ms.
The monitoring of 110 pairs of engine loading rates of pumping controller: pump truck is in operation process, different operating modes, the power of needed engine and moment of torsion are different, gather the load factor of engine during by bus, in time capable of adjusting oil pump displacement is big or small, optimizes the coupling of engine and oil pump, according to the power characteristic of input diesel engine, reasonably the matching fluid pressing system improves mechanical efficiency under different rotating speeds, reaches energy-conservation purpose.
In one embodiment of the invention, converter 130 is bus converter, by the transfer rate of 125KBaud, receives and sends messages.
According to the concrete mixer electric-control system of the embodiment of the invention, by the CAN bus, the pumping controller can be monitored the engine loading rate, cooperate the oil pump action, corresponding adjustment displacement size realizes energy-saving and cost-reducing, reduce the purposes such as pumping impact, promote pump truck serviceable life.Particularly, the concrete mixer electric-control system of the embodiment of the invention has following advantage:
1) control engine rotating speed accurately, its control accuracy is 1rpm.Thus, can control flexibly so that engine execution action as requested according to the rotating speed of engine needs.
2) can monitor constantly the engine loading rate, cooperate the oil pump action, corresponding adjustment displacement size realizes saving energy and reduce the cost, and reduces pumping and impacts, and increases the service life;
3) the engine speed speed of bus collection is the 50ms one-period, and renewal rate is high, fast response time.
4) raising speed of engine speed and reduction of speed slope are directly adjusted the slope of engine rise and fall no longer by engine calibration by the pumping controller.
5) by the control of bus rotating speed, reduced the number of pin of pumping controller, reduced complexity.
6) adopt total line traffic control, improved stability, the reliability of electric system, reduced producer and user's service, servicing time and expense, make the more high efficiency work of pump truck.In addition, this system architecture is simple, is easy to realize.
Further embodiment of the present invention provides a kind of concrete mixer, comprises the described concrete mixer electric-control system of above-mentioned first aspect embodiment.Can pass through the CAN bus, the pumping controller can be monitored the engine loading rate, cooperates the oil pump action, and corresponding adjustment displacement size realizes energy-saving and cost-reducingly, reduces the purposes such as pumping impact, promotes pump truck serviceable life.
In addition, all be known for a person skilled in the art according to other formation and the effect of the concrete mixer of the embodiment of the invention, do not do description herein.
In the description of this instructions, the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present invention or the example in conjunction with specific features, structure, material or the characteristics of this embodiment or example description.In this manual, the schematic statement of described term not necessarily referred to identical embodiment or example.And the specific features of description, structure, material or characteristics can be with suitable mode combinations in any one or more embodiment or example.
Although illustrated and described embodiments of the invention, for the ordinary skill in the art, be appreciated that without departing from the principles and spirit of the present invention and can carry out multiple variation, modification, replacement and modification to these embodiment that scope of the present invention is by claims and be equal to and limit.
Claims (8)
1. a concrete mixer electric-control system is characterized in that, comprising:
The pumping controller, described pumping controller is operated in the first communication standard;
Engine controller, described engine controller is operated in the second communication standard;
Converter, described converter are connected between described pumping controller and the engine controller, and described converter is realized the conversion of described the first communication standard and the second communication standard, to realize the communication between described pumping controller and the engine controller.
2. concrete mixer electric-control system as claimed in claim 1 is characterized in that, described converter links to each other with a CAN bus on the described pumping controller, and described converter links to each other with the 2nd CAN bus on the described engine controller.
3. concrete mixer electric-control system as claimed in claim 1 is characterized in that, described pumping controller is by the current tach signal of described converter acquisition engine, and described pumping controller sends the engine driven signal to described engine controller.
4. concrete mixer electric-control system as claimed in claim 1 is characterized in that, described pumping controller obtains the load factor signal of engine by described converter.
5. concrete mixer electric-control system as claimed in claim 4 is characterized in that, described pumping controller is regulated oil pump capacity according to the load factor signal of described engine.
6. concrete mixer electric-control system as claimed in claim 1, it is characterized in that described pumping controller obtains engine torque number percent signal, gas pedal stroke, engine refrigerating fluid temperature signal, oil temperature signal and the engine oil pressure signal of engine by described converter.
7. such as each described concrete mixer electric-control system of claim 1-6, it is characterized in that described the first communication standard is the ISO11898 consensus standard, described the second communication standard is the ISO1111992 consensus standard.
8. a concrete mixer is characterized in that, comprising: such as each described concrete mixer electric-control system of claim 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104539178A CN102981466A (en) | 2012-11-13 | 2012-11-13 | Concrete pump truck electronic control system and concrete pump truck including the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104539178A CN102981466A (en) | 2012-11-13 | 2012-11-13 | Concrete pump truck electronic control system and concrete pump truck including the same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102981466A true CN102981466A (en) | 2013-03-20 |
Family
ID=47855618
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012104539178A Pending CN102981466A (en) | 2012-11-13 | 2012-11-13 | Concrete pump truck electronic control system and concrete pump truck including the same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102981466A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103699101A (en) * | 2013-12-25 | 2014-04-02 | 华菱星马汽车（集团）股份有限公司 | Electric control system for concrete pump truck |
| CN104481712A (en) * | 2014-11-20 | 2015-04-01 | 徐州徐工施维英机械有限公司 | Method and system for controlling rotating speed of engine and pumping equipment |
| CN104675119A (en) * | 2013-11-27 | 2015-06-03 | 北汽福田汽车股份有限公司 | Pumping method of concrete pump truck and pumping control device for concrete pump truck |
| CN104747303A (en) * | 2013-12-27 | 2015-07-01 | 博世力士乐（北京）液压有限公司 | Concrete pump truck and control method thereof |
| CN104750035A (en) * | 2013-12-29 | 2015-07-01 | 河南森源重工有限公司 | Method for controlling concrete pumper by CAN bus technology |
| CN106043166A (en) * | 2015-04-01 | 2016-10-26 | 通用汽车环球科技运作有限责任公司 | Energy reserve conservation for vehicle communication module |
| CN110094272A (en) * | 2019-05-14 | 2019-08-06 | 三一专用汽车有限责任公司 | Pump control method, pumping control system and pump truck |
| CN111705859A (en) * | 2020-06-30 | 2020-09-25 | 柳工常州机械有限公司 | Bulldozer steering control method and system |
| CN113696839A (en) * | 2021-10-29 | 2021-11-26 | 南京易砼科技有限公司 | Pumping state detection method and device for concrete pumping vehicle |
| CN113915008A (en) * | 2021-09-29 | 2022-01-11 | 广西柳工机械股份有限公司 | Control method and control system of concrete pump truck and concrete pump truck |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101356488A (en) * | 2005-12-02 | 2009-01-28 | 恩特格里公司 | I/O systems, methods and devices for interfacing a pump controller |
| CN102086700A (en) * | 2010-12-21 | 2011-06-08 | 三一重工股份有限公司 | Pumping method of concrete pump truck |
| CN202248917U (en) * | 2011-09-16 | 2012-05-30 | 上海鸿得利重工股份有限公司 | Loading power arm frame type concrete delivery pump truck |
| CN102537340A (en) * | 2012-03-21 | 2012-07-04 | 三一重工股份有限公司 | Self-propelled engineering machine switching system and self-propelled engineering machine |
| CN202324637U (en) * | 2011-11-18 | 2012-07-11 | 中集车辆（集团）有限公司 | Concrete pump truck as well as gear detection and control device thereof |
-
2012
- 2012-11-13 CN CN2012104539178A patent/CN102981466A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101356488A (en) * | 2005-12-02 | 2009-01-28 | 恩特格里公司 | I/O systems, methods and devices for interfacing a pump controller |
| CN102086700A (en) * | 2010-12-21 | 2011-06-08 | 三一重工股份有限公司 | Pumping method of concrete pump truck |
| CN202248917U (en) * | 2011-09-16 | 2012-05-30 | 上海鸿得利重工股份有限公司 | Loading power arm frame type concrete delivery pump truck |
| CN202324637U (en) * | 2011-11-18 | 2012-07-11 | 中集车辆（集团）有限公司 | Concrete pump truck as well as gear detection and control device thereof |
| CN102537340A (en) * | 2012-03-21 | 2012-07-04 | 三一重工股份有限公司 | Self-propelled engineering machine switching system and self-propelled engineering machine |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104675119A (en) * | 2013-11-27 | 2015-06-03 | 北汽福田汽车股份有限公司 | Pumping method of concrete pump truck and pumping control device for concrete pump truck |
| CN103699101A (en) * | 2013-12-25 | 2014-04-02 | 华菱星马汽车（集团）股份有限公司 | Electric control system for concrete pump truck |
| CN104747303A (en) * | 2013-12-27 | 2015-07-01 | 博世力士乐（北京）液压有限公司 | Concrete pump truck and control method thereof |
| CN104750035A (en) * | 2013-12-29 | 2015-07-01 | 河南森源重工有限公司 | Method for controlling concrete pumper by CAN bus technology |
| CN104481712A (en) * | 2014-11-20 | 2015-04-01 | 徐州徐工施维英机械有限公司 | Method and system for controlling rotating speed of engine and pumping equipment |
| CN106043166A (en) * | 2015-04-01 | 2016-10-26 | 通用汽车环球科技运作有限责任公司 | Energy reserve conservation for vehicle communication module |
| CN110094272A (en) * | 2019-05-14 | 2019-08-06 | 三一专用汽车有限责任公司 | Pump control method, pumping control system and pump truck |
| CN111705859A (en) * | 2020-06-30 | 2020-09-25 | 柳工常州机械有限公司 | Bulldozer steering control method and system |
| CN113915008A (en) * | 2021-09-29 | 2022-01-11 | 广西柳工机械股份有限公司 | Control method and control system of concrete pump truck and concrete pump truck |
| CN113915008B (en) * | 2021-09-29 | 2023-10-03 | 广西柳工机械股份有限公司 | Control method and control system of concrete pump truck and concrete pump truck |
| CN113696839A (en) * | 2021-10-29 | 2021-11-26 | 南京易砼科技有限公司 | Pumping state detection method and device for concrete pumping vehicle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102981466A (en) | Concrete pump truck electronic control system and concrete pump truck including the same | |
| CN102192311B (en) | Oil pressure control device for transmission and control method thereof | |
| US8312716B2 (en) | Hydraulic drive system | |
| CN103397678B (en) | Energy-saving system and method for power matching between engine and hydraulic pump | |
| CN101711221B (en) | A full hydraulic AC electrical forklift | |
| CN102490583B (en) | Hybrid power system for hydraulic system and engineering machine | |
| CN204431494U (en) | The control of agitator truck agitator tank invariablenes turning speed, monitoring and display system | |
| CN104405707B (en) | A kind of split-pump hydraulic system and Poewr control method thereof | |
| CN101463848A (en) | Engineering machinery control system, engineering machinery and engineering machinery control method | |
| CN102828942A (en) | Constant-power control device and method for variable displacement pump and concrete pumping installation | |
| CN109693673A (en) | A kind of automatically controlled transmission device of new energy vehicle having retarder | |
| CN201619567U (en) | Microcomputer control device for hydraulic transmission diesel locomotive | |
| CN201696367U (en) | Digital variable displacement pump | |
| CN103389686B (en) | Method for controlling pump truck and pump truck | |
| CN204431495U (en) | The long-range constant-speed control device of concrete mixer truck | |
| CN204453676U (en) | A kind of belt-conveying control system | |
| CN210106565U (en) | Flexible power take-off system | |
| CN102832861A (en) | Power control system of peristaltic pump for blood purifier | |
| CN202100438U (en) | Constant-power control device of variable displacement pump and concrete pumping device | |
| CN202463606U (en) | Direct drive system of electric vehicle | |
| CN202827527U (en) | Car lifting device | |
| CN109552310A (en) | A kind of electromechanical power system with retarder of electric vehicle | |
| CN105958897A (en) | Motor power self-balance system and method | |
| CN113864360B (en) | Clutch hydraulic control device and control method thereof | |
| CN104290612A (en) | Active voltage control method and control system for motor system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20130320 |