CN201687214U - Concrete distributor with boom emergency driving function and hydraulic system thereof - Google Patents
Concrete distributor with boom emergency driving function and hydraulic system thereof Download PDFInfo
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- CN201687214U CN201687214U CN2010201665279U CN201020166527U CN201687214U CN 201687214 U CN201687214 U CN 201687214U CN 2010201665279 U CN2010201665279 U CN 2010201665279U CN 201020166527 U CN201020166527 U CN 201020166527U CN 201687214 U CN201687214 U CN 201687214U
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- hydraulic system
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- jib
- boom
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Abstract
The utility model discloses a concrete distributor with boom emergency driving function, which comprises a boom hydraulic system, a pumping hydraulic system and a controller. The boom hydraulic system comprises a boom multiway valve and a boom pump. The pumping hydraulic system is connected with oilway between the boom pump and the boom multiway valve of the boom hydraulic system through a connecting pipe; wherein, a switching solenoid valve is arranged on the connecting pipe; the boom multiway valve comprises an electric proportional control valve of an actuating mechanism of each joint of arm; the controller and the electric proportional control valve of the actuating mechanism of each joint of arm are connected with an operating handle signal. When the switching solenoid valve is unfolded, a real-time control signal is provided for the electric proportional control valve of the actuating mechanism of each joint of arm of the boom according to the command of the operating handle. With convenient operation and low cost, the concrete distributor with boom emergency driving function adopts the self-contained power of the concrete pumping device and the hydraulic resource to realize that the boom pump out of order still can drive the boom so that the concrete distribution is kept on.
Description
Technical field
The utility model relates to a kind of concrete distributing equipment with emergency driving function of boom, and the utility model also relates to the hydraulic system of concrete distributing equipment.
Background technology
The inertia of cloth jib of concrete distributing equipment own is big, poor rigidity, elephant trunk is laid along jib, discontinuous flow of concrete in carrier pipe impacted very big to jib, the hydraulic system load that causes being used to supporting and drive jib is quite complicated, oil pump (hereinafter being referred to as arm-pump) particularly, the outlet pressure height, change violent and impact greatly, fault rate is higher in the real work.
After arm-pump breaks down, jib can't move, and cause the work of concrete distributing equipment cloth to carry out, because concrete is the rapid hardening material, this situation occur, be for construction party or equipment itself all may cause very big loss.
For the domestic same industry, according to investigation on the spot, when the arm-pump of concrete distributing equipment break down cause proceeding cloth work after, generally take following measure at present: from other building site or company's tablecloth material equipment of transferring, in the jib hydraulic system that the arm-pump pressure and the return line of this apparatus for distributing is connected to the fault pump truck, be used to drive jib.
For the external same industry, according to investigation, the dedicated emergency equipment that some producer provides a cover to have independent power system and hydraulic system, a kind of is directly to be assemblied on the concrete distributing equipment, when elements such as the engine in situ of concrete distributing equipment, main pump, arm-pump break down cause proceeding cloth work after, the conversion by control valve just can guarantee that equipment works on.Another kind is mounted on the dedicated bearer equipment such as dolly, when elements such as the engine in situ of concrete distributing equipment, main pump, arm-pump break down cause proceeding cloth work after, by docking between the interface of on emergency set and apparatus for distributing, reserving, just can guarantee that equipment works on.
Method for the domestic same industry adopts at present takes time and effort, and influences the duration, and causes bigger energy loss.
For the external method that adopts of the same trade, applicability is wide (not only being applicable to the situation that arm-pump breaks down) relatively, but frequency of utilization is lower after all, makes and the maintenance cost height, and the general user is difficult to accept.
The utility model content
The utility model purpose is to provide a kind of hydraulic system of concrete distributing equipment, utilizes the power of concrete distributing equipment itself and the emergency driving function that hydraulic resources realizes jib.The purpose of this utility model also is to provide a kind of concrete distributing equipment with this hydraulic system.
For this reason, the utility model provides a kind of hydraulic system of concrete distributing equipment on the one hand, it comprises first hydraulic system, second hydraulic system and controller, this first hydraulic system is the jib hydraulic system, this jib hydraulic system comprises jib banked direction control valves and arm-pump, second hydraulic system is connected on the arm-pump and the oil circuit between the jib banked direction control valves of jib hydraulic system by connecting line, and wherein, connecting line is provided with switch valve.
Further, above-mentioned jib banked direction control valves comprises the proportional control valve of the executing agency that respectively saves arm, each save arm executing agency proportional control valve and operating grip be at switch valve when opening, provide the controller signals of real-time control signal to be connected to the proportional control valve that respectively saves arm executing agency of jib according to the instruction of operating grip.
Further, be provided with one way valve between the jib banked direction control valves of above-mentioned jib hydraulic system and the arm-pump, and one way valve is located between the arm-pump and second hydraulic system.
Further, the above-mentioned controller device that provides real-time control signal to the oil pump capacity control ratio valve of second hydraulic system, the required flow of flow that second hydraulic system provides and jib hydraulic system is complementary for instruction according to joystick.
Further, above-mentioned controller for the pump speed information of the instruction that receives operating grip and send and second hydraulic system, calculate the real time discharge volume of this oil pump, export the real-time control electric current of each electric proportional control valve according to the real-time control electric current of discharge capacity-current characteristics output oil pump capacity proportioning valve of oil pump capacity control ratio valve and according to the flow-current characteristics of each electric proportional control valve then, the required flow of flow that second hydraulic system provides and jib hydraulic system is complementary.
Preferably, above-mentioned electric-control system is connected with the switch electromagnetic valve signal of the open mode of sense switch electromagnetic valve.
Preferably, above-mentioned switch electromagnetic valve is connected with electric-control system signal according to the keying of operating personnel's instruction gauge tap electromagnetic valve.
Preferably, above-mentioned switch valve is a switch electromagnetic valve.
Preferably, above-mentioned second hydraulic system is the pumps hydraulic system.
The utility model also provides the concrete distributing equipment with above-mentioned hydraulic system on the other hand.
The utlity model has following characteristics: 1. utilize the power and the hydraulic resources of concrete pumping equipment itself, when realizing that arm-pump breaks down, still can drive jib, guarantee cloth work continue finish, easy to operate, cost is low; 2. by the jib emergency system adaptive-flow coupling electric-control system of design, avoided energy loss, economical and practical.
Except purpose described above, feature and advantage, the utility model also has other purpose, feature and advantage.With reference to figure, the utility model is described in further detail below.
Description of drawings
Constitute this manual a part, be used for further understanding accompanying drawing of the present utility model and show preferred embodiment of the present utility model, and be used for illustrating principle of the present utility model with manual.Among the figure:
Fig. 1 shows the structured flowchart according to emergency hydraulic system of the present utility model; And
Fig. 2 shows the theory diagram according to the electric-control system of emergency hydraulic system of the present utility model.
The specific embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is elaborated, but the multitude of different ways that the utility model can be defined by the claims and cover is implemented.
Fig. 1 shows the structured flowchart according to emergency hydraulic system of the present utility model.As shown in Figure 1, at first from other function hydraulic subsystem of concrete distributing equipment, be chosen in the system that pressure and flow parameter satisfy the jib drive requirement, the pumps hydraulic system of concrete mixer for example, increase control valve group 10 then, these control valve group 10 the simplest collocation are a switch electromagnetic valve 11 and an one way valve 12, one connecting line 13 connects switch electromagnetic valve 11 and other function hydraulic subsystems, as the pumps hydraulic system.
One way valve 12 is located between the jib banked direction control valves and arm-pump of jib hydraulic system, and the pumps hydraulic system is connected on the one way valve 12 and the oil circuit between the jib banked direction control valves of jib hydraulic system by connecting line 13.Be appreciated that this switch electromagnetic valve 11 is not limited to electromagnetic valve, it also can be the switch valve of other types.
Pumps hydraulic system in the concrete mixer and jib drive hydraulic system are coupled together, when arm-pump breaks down, by control to the spool position of switch electromagnetic valve 11, conducting connecting line 13, the pressure oil of pumps hydraulic system is introduced the jib hydraulic system, realize the driving of jib, guarantee that concrete distributing equipment continues to finish cloth work, one way valve 12 can avoid the pressure source of pumps hydraulic system to leap up into arm-pump.
The utility model has also designed electric-control system, when the cantilever crane of concrete distributing equipment emergency function starts, by the Comprehensive Control to jib hydraulic system and hydraulic pressure pumping system, guarantees the adaptive-flow coupling of two systems, avoids energy loss.
The flow that the hydraulic pressure pumping system provides is usually greater than the required flow of jib hydraulic system, and in the utility model, when the connecting line conducting, the pressure oil of hydraulic pressure pumping system all offers the jib hydraulic system, and unnecessary hydraulic oil can release.
Consider unnecessary energy loss, in a preferred embodiment, the flow of pumps hydraulic system is realized control.The control of oil mass can be realized that the controller of electric-control system is connected with oil pump capacity control ratio valve signal by oil pump capacity control ratio valve, realizes the control to oil pump capacity control ratio valve, and then the flow of control pump liquor charging pressing system.
Fig. 2 is the theory diagram of jib electric-control system, the pump speed information n that each jib responsiveness that controller reception operating grip sends requires and is used as the pumps hydraulic system of emergency, calculate the real time discharge volume q of this oil pump, shown in mathematical expression (1) and (2).
Wherein, q is the real time discharge volume of oil pump, Q
SIt is the real-time traffic of oil pump.
Then according to discharge capacity-electric current (perhaps discharge capacity-voltage) characteristic of oil pump capacity and electric proportional control valve and flow-electric current (perhaps flow-voltage) characteristic of action of each jib and electric proportional control valve, export this oil pump and each jib and move real-time control electric current (or the control voltage) i of electric proportional control valve, i
1, i
2... i
n, realize that the adaptive flow of emergency system mates.
By above description as can be seen, the utlity model has following characteristics: 1. utilize the power and the hydraulic resources of concrete pumping equipment itself, when realizing that arm-pump breaks down, still can drive jib, guarantee cloth work continue finish, easy to operate, cost is low; 2. by the jib emergency system adaptive-flow coupling electric-control system of design, avoided energy loss, economical and practical.
Be preferred embodiment of the present utility model only below, be not limited to the utility model, for a person skilled in the art, the utility model can have various changes and variation.All within spirit of the present utility model and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (9)
1. the hydraulic system of a concrete distributing equipment, comprise first hydraulic system, second hydraulic system and controller, described first hydraulic system is the jib hydraulic system, it is characterized in that, described jib hydraulic system comprises jib banked direction control valves and arm-pump, described second hydraulic system is connected on the oil circuit between described arm-pump and the jib banked direction control valves by connecting line, and wherein, described connecting line is provided with switch valve.
2. the hydraulic system of concrete distributing equipment according to claim 1, it is characterized in that, described jib banked direction control valves comprises the proportional control valve of the executing agency that respectively saves arm, the proportional control valve of the described executing agency that respectively saves arm and operating grip be at described switch valve when opening, provide the described controller signals of real-time control signal to be connected to the proportional control valve that respectively saves arm executing agency of described jib according to the instruction of operating grip.
2. the hydraulic system of concrete distributing equipment according to claim 2 is characterized in that, is provided with one way valve between the jib banked direction control valves of described jib hydraulic system and the arm-pump, and described one way valve is also between the described arm-pump and second hydraulic system.
3. the hydraulic system of concrete distributing equipment according to claim 2, it is characterized in that the device that described controller provides real-time control signal to the oil pump capacity control ratio valve of described second hydraulic system, the required flow of flow that described second hydraulic system provides and described jib hydraulic system is complementary for the instruction according to described joystick.
4. the hydraulic system of concrete distributing equipment according to claim 3, it is characterized in that, described controller is the instruction that receives described operating grip and send and the pump speed information of described second hydraulic system, calculate the real time discharge volume of this oil pump, export the real-time control electric current of described oil pump capacity proportioning valve then according to the discharge capacity-current characteristics of oil pump capacity control ratio valve, and according to the real-time control electric current of the flow of described each electric proportional control valve-described each electric proportional control valve of current characteristics output, the device that the required flow of flow that described second hydraulic system provides and described jib hydraulic system is complementary.
5. the hydraulic system of concrete distributing equipment according to claim 2 is characterized in that, described switch valve is connected with the described electric-control system signal that detects its open mode.
6. the hydraulic system of concrete distributing equipment according to claim 2 is characterized in that, described switch valve is connected with the described electric-control system signal of the keying of controlling described switch valve according to operating personnel's instruction.
7. according to the hydraulic system of any concrete distributing equipment of stating in the claim 1 to 6, it is characterized in that described switch valve is a switch electromagnetic valve.
8. according to the hydraulic system of any described concrete distributing equipment in the claim 1 to 6, it is characterized in that described second hydraulic system is the pumps hydraulic system.
9. a concrete distributing equipment is characterized in that, comprises according to each described hydraulic system in the claim 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201665279U CN201687214U (en) | 2010-03-26 | 2010-03-26 | Concrete distributor with boom emergency driving function and hydraulic system thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201665279U CN201687214U (en) | 2010-03-26 | 2010-03-26 | Concrete distributor with boom emergency driving function and hydraulic system thereof |
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| CN201687214U true CN201687214U (en) | 2010-12-29 |
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| CN2010201665279U Expired - Fee Related CN201687214U (en) | 2010-03-26 | 2010-03-26 | Concrete distributor with boom emergency driving function and hydraulic system thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101824915A (en) * | 2010-03-26 | 2010-09-08 | 长沙中联重工科技发展股份有限公司 | Concrete distribution device with emergency driving function of boom |
| CN102400968A (en) * | 2011-11-18 | 2012-04-04 | 三一重工股份有限公司 | Hydraulic valve, hydraulic system and concrete pumping equipment |
| CN102864808A (en) * | 2012-10-07 | 2013-01-09 | 四川省宜宾普什驱动有限责任公司 | Excavator intelligent control hydraulic system and control method thereof |
| WO2013097380A1 (en) * | 2011-12-26 | 2013-07-04 | 湖南三一智能控制设备有限公司 | Flow distributing system, apparatus and method for multi-sectional boom, and engineering machinery equipment |
| CN111058637A (en) * | 2019-11-26 | 2020-04-24 | 上海建工集团股份有限公司 | Intelligent distribution control system and method of transverse-folding-arm concrete distributor |
-
2010
- 2010-03-26 CN CN2010201665279U patent/CN201687214U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101824915A (en) * | 2010-03-26 | 2010-09-08 | 长沙中联重工科技发展股份有限公司 | Concrete distribution device with emergency driving function of boom |
| CN101824915B (en) * | 2010-03-26 | 2011-09-21 | 长沙中联重工科技发展股份有限公司 | Concrete distribution device with emergency driving function of boom |
| WO2011116701A1 (en) * | 2010-03-26 | 2011-09-29 | 长沙中联重工科技发展股份有限公司 | Concrete distributing device with function of driving boom emergently and control method thereof |
| CN102400968A (en) * | 2011-11-18 | 2012-04-04 | 三一重工股份有限公司 | Hydraulic valve, hydraulic system and concrete pumping equipment |
| CN102400968B (en) * | 2011-11-18 | 2014-10-15 | 三一汽车制造有限公司 | Hydraulic valve, hydraulic system and concrete pumping equipment |
| WO2013097380A1 (en) * | 2011-12-26 | 2013-07-04 | 湖南三一智能控制设备有限公司 | Flow distributing system, apparatus and method for multi-sectional boom, and engineering machinery equipment |
| CN102864808A (en) * | 2012-10-07 | 2013-01-09 | 四川省宜宾普什驱动有限责任公司 | Excavator intelligent control hydraulic system and control method thereof |
| CN102864808B (en) * | 2012-10-07 | 2014-11-26 | 四川省宜宾普什驱动有限责任公司 | Excavator intelligent control hydraulic system and control method thereof |
| CN111058637A (en) * | 2019-11-26 | 2020-04-24 | 上海建工集团股份有限公司 | Intelligent distribution control system and method of transverse-folding-arm concrete distributor |
| CN111058637B (en) * | 2019-11-26 | 2021-08-31 | 上海建工集团股份有限公司 | Intelligent distribution control system and method of transverse-folding-arm concrete distributor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 410013 Yuelu District, Hunan, silver basin Road, No. 361, No. Patentee after: Zoomlion Heavy Industry Science & Technology Development Co., Ltd. Address before: 410013 No. 361 South silver basin, Hunan, Changsha Patentee before: Chang Sha Zoomlion Heavy Industry Science & Technology Development Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101229 Termination date: 20150326 |
|
| EXPY | Termination of patent right or utility model |