CN206111745U - Linked system and engineering machine tool - Google Patents

Abstract

The utility model relates to an engineering machine tool field particularly, relates to a linked system and engineering machine tool. Linked system includes: the multiple unit valve, the engine of hydraulic oil is provided to the multiple unit valve through the hydraulic oil pump who drives, the flow of the hydraulic oil that hydraulic oil pump that the flow and the engine of control hydraulic oil in the multiple unit valve drove provided to the multiple unit valve so that the hydraulic oil pump of flow and the engine drive of hydraulic oil in the multiple unit valve to the first control ware of the flow matching of the hydraulic oil that the multiple unit valve provided, and send a control signal so that the flow of hydraulic oil's that the hydraulic oil pump of flow and the engine drive of hydraulic oil in the first control ware control multiple unit valve provided to the multiple unit valve the second controllor to the first control ware. The first control ware respectively with multiple unit valve and engine communication connection, the second controllor and first control ware communication connection. The engineering machine tool includes linked system. Linked system and engineering machine tool has the characteristics of high efficiency, energy -conservation.

Description

A kind of linked system and engineering machinery

Technical field

This utility model is related to engineering machinery field, in particular to a kind of linked system and engineering machinery.

Background technology

Lorry-mounted crane terrestrial operation type, occupies dominant position in lorry-mounted crane.The operation of this type products Mode is that operator stands on ground, carries out the operation of loop wheel machine action by both hands, while carrying out engine throttle control realization speed The control of degree speed.As handss should operate action bars that engine throttle is controlled to realize the control of action, again, operation is very Inconvenience, especially while when carrying out multiple motion actions, cannot even more carry out.Further, since engine throttle and action control Matching be all manual control, and the human-subject test of each manipulator, custom and experience have close relationship, so, send out The coordinate synchronization degree of motivation throttle and action control just varies with each individual, the loss for ultimately resulting in many operating process energy is big, Inefficiency.Therefore auto-throttle linkage technique just arises at the historic moment.At present, auto-throttle linkage technique is by mechanical linkage Structure is realized.By action bars and a series of mechanical driving devices, engine throttle motion is driven.System can be grasped with automatic decision The operational degree of author, drives throttle to increase, down control engine speed, allows the opening of flow system flow and operation valve to be directly proportional increasing Plus, it is no longer necessary to manual control throttle, liberate the demand of Throttle Opening Control opponent on 'historical structure.But, Jing inventor's research It was found that, this structure is realized by machine driving, and the frame for movement of serial procedures is considerably complicated, and bloatedness limits its function Arrangement so that operating process is loaded down with trivial details and less efficient.

Utility model content

In view of this, the purpose of this utility model embodiment is, there is provided a kind of linked system and engineering machinery are solving The problems referred to above.

This utility model preferred embodiment provides a kind of linked system, and the linked system includes：Banked direction control valves；By band Dynamic hydraulic oil pump provides the electromotor of hydraulic oil to the banked direction control valves；Control in the banked direction control valves flow of hydraulic oil and described The flow of the hydraulic oil that the hydraulic oil pump of driven by engine is provided to the banked direction control valves so that in the banked direction control valves hydraulic oil stream First controller of the flow matches of the hydraulic oil provided to the banked direction control valves with the hydraulic oil pump of the driven by engine is provided；With And the first control signal is sent to first controller so that first controller controls hydraulic oil in the banked direction control valves The second controller of the hydraulic fluid flow rate that the hydraulic oil pump of flow and the driven by engine is provided to the banked direction control valves.Described One controller is communicated to connect with the banked direction control valves and electromotor respectively, the second controller and the first controller communication link Connect.

Further, first controller includes：Receive the letter of the first control signal that the second controller sends Number reception device；The first control signal that the signal receiving device is received is converted to into hydraulic oil in the control banked direction control valves Flow the second control signal, and control the hydraulic oil that the hydraulic oil pump of the driven by engine is provided to the banked direction control valves Flow the 3rd control signal central control unit；Second control signal is sent to into the banked direction control valves, and will 3rd control signal is sent to the sender unit of the electromotor.The signal receiving device and the described second control Device is communicated to connect, and the sender unit is communicated to connect with the banked direction control valves and electromotor respectively, the central control unit Communicate to connect with the signal receiving device and sender unit respectively.

Further, the banked direction control valves is included for receiving the elder generation of the second control signal that the sender unit sends Pilot valve, the pilot valve are digital valve, or, the pilot valve is proportional solenoid.

Further, the electromotor is included for receiving the electricity of the second control signal that the sender unit sends Sub- control device, the electronic-controlled installation control opening for the throttle moral degree of the electromotor according to second control signal Degree size.

Further, the second controller includes sending out to first controller in the form of proportional-type electric signal output Send the signal transmitting apparatus of the first control signal.

Further, the second controller is also included for controlling the first control letter that the signal transmitting apparatus send Number action bars.

Further, the second controller also includes control panel, and the control panel is provided with described for controlling The button of the first control signal that signal transmitting apparatus send.

Further, the second controller is the industrial remote controller being wirelessly connected with first controller, or, described Second controller is the electrically-controlled controller with the first controller wired connection.

Another preferred embodiment of this utility model provides a kind of engineering machinery, and the engineering machinery includes linked system. The linked system includes：Banked direction control valves；The electromotor of hydraulic oil is provided to the banked direction control valves by the hydraulic oil pump for driving；Control The hydraulic oil that the hydraulic oil pump of the flow of hydraulic oil and the driven by engine is provided to the banked direction control valves in the banked direction control valves Flow is so that the hydraulic oil pump of the flow of hydraulic oil and the driven by engine is provided to the banked direction control valves in the banked direction control valves First controller of the flow matches of hydraulic oil；And the first control signal is sent so that described first to first controller Controller controls the flow of hydraulic oil and the hydraulic oil pump of the driven by engine in the banked direction control valves and provides to the banked direction control valves Hydraulic fluid flow rate second controller.First controller is communicated to connect with the banked direction control valves and electromotor respectively, described Second controller is communicated to connect with first controller.

Further, the engineering machinery includes lorry-mounted crane.

Linked system and engineering machinery that this utility model embodiment is provided, enable to institute by first controller State the stream of the hydraulic oil that the hydraulic oil pump of the flow of hydraulic oil and the driven by engine in banked direction control valves is provided to the banked direction control valves Flux matched, rule of operation is simple and operating efficiency is higher, has reached the efficient, purpose of energy-conservation.Additionally, controlling by described second Device, realizes the distant control of the linked system and engineering machinery, further increases operating efficiency.

Description of the drawings

In order to be illustrated more clearly that the technical scheme of this utility model embodiment, below will be to using needed for embodiment Accompanying drawing be briefly described.It should be appreciated that the following drawings illustrate only some embodiments of the present utility model, therefore should not be by Regard the restriction to scope as, for those of ordinary skill in the art, on the premise of not paying creative work, may be used also To obtain other related accompanying drawings according to these accompanying drawings.

A kind of structured flowchart of linked system that Fig. 1 is provided for this utility model embodiment.

A kind of another kind of structured flowchart of linked system that Fig. 2 is provided for this utility model embodiment.

A kind of another kind of structured flowchart of linked system that Fig. 3 is provided for this utility model embodiment.

A kind of structured flowchart of second controller that Fig. 4 is provided for this utility model embodiment.

Icon：10- linked systems；100- banked direction control valves；110- pilot valves；200- electromotors；210- electronic-controlled installations； The first controllers of 300-；310- signal receiving devices；320- central control unit；330- sender units；400- second is controlled Device processed；410- signal transmitting apparatus；420- control panels；The first buttons of 421-；The second buttons of 422-；The 3rd buttons of 423-； The 4th buttons of 424-.

Specific embodiment

Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out Clearly and completely describe.Obviously, described embodiment is only this utility model a part of embodiment, rather than whole Embodiment.The component of this utility model embodiment generally described and illustrated in accompanying drawing herein can be with a variety of configurations To arrange and design.Therefore, the detailed description of embodiment of the present utility model below to providing in the accompanying drawings is not intended to limit The claimed scope of the present utility model of system, but it is merely representative of selected embodiment of the present utility model.It is new based on this practicality The embodiment of type, the every other embodiment obtained on the premise of creative work is not made by those skilled in the art, Belong to the scope of this utility model protection.

It should be noted that：Similar label and letter represent similar terms in following accompanying drawing, therefore, once a certain Xiang Yi It is defined in individual accompanying drawing, then in subsequent accompanying drawing which further need not be defined and is explained.

Fig. 1 is referred to, this utility model preferred embodiment provides a kind of linked system 10, and the linked system 10 is wrapped Include：Banked direction control valves 100；The electromotor 200 of hydraulic oil is provided to the banked direction control valves 100 by the hydraulic oil pump for driving；Control is described The hydraulic pressure that the hydraulic oil pump that the flow of hydraulic oil and the electromotor 200 drive in banked direction control valves 100 is provided to the banked direction control valves 100 The flow of oil is so that the flow of hydraulic oil and the electromotor 200 drive in the banked direction control valves 100 hydraulic oil pump is to described more First controller 300 of the flow matches of the hydraulic oil that road valve 100 is provided；And first is sent to first controller 300 Control signal is so that first controller 300 controls 200 band of the flow of hydraulic oil and the electromotor in the banked direction control valves 100 The second controller 400 of the hydraulic fluid flow rate that dynamic hydraulic oil pump is provided to the banked direction control valves 100.First controller 300 Communicate to connect with the banked direction control valves 100 and electromotor 200 respectively, the second controller 400 is logical with first controller 300 Letter connection.

Fig. 2 is referred to, alternatively, first controller 300 includes：Receive the of the transmission of the second controller 400 The signal receiving device 310 of one control signal；The first control signal that the signal receiving device 310 is received is converted to into control The second control signal of the flow of hydraulic oil in the banked direction control valves 100 is made, and controls the hydraulic oil that the electromotor 200 drives The central control unit 320 of the 3rd control signal of the flow of the hydraulic oil that pump is provided to the banked direction control valves 100；By described second Control signal is sent to the banked direction control valves 100, and the signal that the 3rd control signal is sent to the electromotor 200 is sent out Send device 330.The signal receiving device 310 is communicated to connect with the second controller 400, the sender unit 330 Communicate to connect with the banked direction control valves 100 and electromotor 200 respectively, the central control unit 320 is received with the signal respectively Device 310 and sender unit 330 are communicated to connect.

Fig. 3 is referred to, in the present embodiment, the banked direction control valves 100 includes valve body (not shown) and is arranged at described The main valve plug (not shown) of valve body.Alternatively, the banked direction control valves 100 is also included for receiving the sender unit The pilot valve 110 of 330 the second control signals for sending.In the present embodiment, the pilot valve 110 receives the sender unit 330 analog or digital signals for sending, control the flow that the banked direction control valves 100 exports fluid, order about the master of the banked direction control valves 100 Valve element is proportionally moved with input quantity, changes the restriction sectional area of the banked direction control valves 100, so as to control the banked direction control valves The uninterrupted of hydraulic oil in 100.

In the control process that above-mentioned banked direction control valves 100 works the uninterrupted of fluid, 110 pairs of multichannels of the pilot valve The control accuracy of valve 100 plays vital effect.In the present embodiment, the pilot valve 110 can have multiple choices, example Such as, the pilot valve 110 can be digital valve, or proportional solenoid etc..

Compared with proportional solenoid more preferably, and digital valve arrangement is simpler, operation for the response speed and control accuracy of digital valve The more convenient, better adaptability to harsh environments.In order to improve the control accuracy of the banked direction control valves 100, in the present embodiment, The pilot valve 110 is digital valve.Additionally, digital valve directly can be connected with control unit interface, it is not necessary to digital analog converter. Pilot valve 110 is done using digital valve, the pilot control of the banked direction control valves 100 is not only simplify, while enabling the banked direction control valves 100 Electronic component, monitoring element, pilot element are integrated together, the electrical control of the banked direction control valves 100 are simplified, is also reduced The physical dimension of the banked direction control valves 100.

In the present embodiment, the electromotor 200 includes that for receiving the transmission of the sender unit 330 second controls The electronic-controlled installation 210 of signal, the electronic-controlled installation 210 control the electromotor according to second control signal The aperture size of 200 throttle moral degree is provided to the banked direction control valves 100 with the hydraulic oil pump for controlling the drive of the electromotor 200 Hydraulic oil flow.

Please refer to Fig. 4, alternatively, the second controller 400 include in the form of proportional-type electric signal output to First controller 300 sends the signal transmitting apparatus 410 of the first control signal.In the present embodiment, the first control letter Number can be 0～5V proportional-type voltage signal.

Alternatively, the second controller 400 also includes that for controlling the transmission of the signal transmitting apparatus 410 first controls The action bars (not shown) of signal processed.

When operator is intended to implement different operations to the action bars according to the operation of oneself, the signal transmission dress Put 410 the first different control signals are sent to the signal receiving device 310.For example, when first control signal is 0 During the voltage signal of the proportional-type of～5V, operator is intended to implement different operations to the action bars according to the operation of oneself, The signal transmitting apparatus 410 send the voltage signal of different magnitudes of voltage to the signal receiving device 310.Central authorities' control According to the magnitude of voltage size of the voltage signal, device processed 320 can determine whether that the operation of the operator is intended to and by the voltage Value is converted to the second control signal of the flow of hydraulic oil in the control banked direction control valves 100, and control the electromotor 200 to 3rd control signal of the flow of the hydraulic oil that the banked direction control valves 100 is provided.

It should be noted that in the present embodiment, the conversion side of first control signal of the central control unit 320 pairs Method can carry out diversified formulation according to actual target requirement.

A kind of conversion method is provided in the present embodiment：First control signal is dynamic with the operation of the banked direction control valves 100 Make and operational degree is in corresponding matching relationship, i.e., described first control signal and hydraulic oil in the control banked direction control valves 100 Second control signal of flow is in corresponding matching relationship, therefore, first control signal has reflected the banked direction control valves 100 Operational motion and operational degree, for example, upwards, the displacement of main valve plug of the downward and banked direction control valves 100 etc..Equally, institute State the 3rd control of the flow of the hydraulic oil that the first control signal is provided to the banked direction control valves 100 with the control electromotor 200 Signal is in corresponding matching relationship.The matching relationship of first control signal and second control signal, and described One control signal is pre-stored in the central control unit 320 with the matching relationship of the 3rd control signal.Thus, by institute Second control signal and threeth control signal are changed out by stating the first control signal directly.

A kind of conversion method is additionally provided in the present embodiment：First control is prestored in the central control unit 320 The matching relationship of signal processed and second control signal, and second control signal and the 3rd control signal With relation.Now, for the independently moving action of the main valve plug, according to second control signal and the described 3rd control letter Number matching relationship, accordingly control the hydraulic fluid flow rate that the electromotor 200 is provided to the banked direction control valves 100.For institute Multiple athletic performances of main valve plug are stated, Cumulate algorithm can be adopted, needed for by each athletic performance correspondence of the main valve plug Flux cumulating is added and draws total flow, then, controls the hydraulic fluid flow rate that the electromotor 200 is provided to the banked direction control valves 100, Or, it would however also be possible to employ maximum value-based algorithm, pick out the required single maximum of correspondence in all athletic performances of the main valve plug Flow, then, controls the single maximum stream flow needed for the hydraulic fluid flow rate that the electromotor 200 is provided to the banked direction control valves 100 .

It is easily understood that the matching relationship can be pre-stored in the form of match curve or matching form it is described In central control unit 320, it is also possible to be pre-stored in the storage device communicated to connect with the central control unit 320 (in figure not Illustrate) in, in case the central control unit 320 is called.

In order to reduce maloperation and improve operating accuracy, in the present embodiment, the action bars can be with by control panel 420 replace.The control panel 420 is provided with for controlling first control signal of the transmission of the signal transmitting apparatus 410 Button.Alternatively, described button includes multiple.For example, when the linked system 10 described in the present embodiment is applied to car lifting During machine, the button can include locking or unlock that the first button 421, control that the lorry-mounted crane cranks arm are described to be risen with car Heavy-duty machine crank arm stretch or shrink the second button 422, control the lorry-mounted crane crank arm direction of action the 3rd button 423 with And control the lorry-mounted crane and crank arm the 4th button 424 of speed of action.

Specifically, in the present embodiment, the second controller 400 can be wirelessly to be connected with first controller 300 Industrial remote controller, or the electrically-controlled controller with 300 wired connection of the first controller.

Another preferred embodiment of this utility model provides a kind of engineering machinery, and the engineering machinery includes above-mentioned linkage system System 10.Alternatively, the engineering machinery includes lorry-mounted crane.

In sum, this utility model embodiment provides a kind of linked system 10 and engineering machinery, the engineering machinery Including the linked system 10.The linked system 10 has abandoned the mechanical transmission structure of complexity, by first controller 300 cause the hydraulic oil pump that the flow of hydraulic oil in the banked direction control valves 100 is driven with the electromotor 200 to the banked direction control valves The flow matches of 100 hydraulic oil for providing, rule of operation is simple and operating efficiency is higher, has reached the efficient, purpose of energy-conservation.This Outward, by the second controller 400, the distant control of the linked system 10 and engineering machinery is realized, is further carried High operating efficiency.

Further, the linked system 10 only needs algorithm controls, increases without the need for other parts, with low cost.

In description of the present utility model, in addition it is also necessary to explanation, unless otherwise clearly defined and limited, term " connects Connect ", " setting " should be interpreted broadly, for example, it may be being fixedly connected, or being detachably connected, or be integrally connected.Can Being to be mechanically connected, or electrically connect.Can be joined directly together, it is also possible to be indirectly connected to by intermediary, Ke Yishi The connection of two element internals.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition Concrete meaning in utility model.

In description of the present utility model, it should be noted that the orientation or position relationship of the instruction such as term " interior " are base In orientation shown in the drawings or position relationship, or the utility model product using when the orientation usually put or position close System, is for only for ease of description this utility model and simplifies description, rather than indicates or imply that the device or element of indication are necessary With specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model.Additionally, Term " first ", " second ", " the 3rd " etc. are only used for distinguishing description, and it is not intended that indicating or implying relative importance.

Preferred embodiment of the present utility model is the foregoing is only, this utility model is not limited to, for this For the technical staff in field, this utility model can have various modifications and variations.It is all it is of the present utility model spirit and principle Within, any modification, equivalent substitution and improvements made etc. are should be included within protection domain of the present utility model.

Claims (10)

1. a kind of linked system, it is characterised in that the linked system includes：

Banked direction control valves；

The electromotor of hydraulic oil is provided to the banked direction control valves by the hydraulic oil pump for driving；

Control what the hydraulic oil pump of the flow of hydraulic oil and the driven by engine in the banked direction control valves was provided to the banked direction control valves The flow of hydraulic oil so that in the banked direction control valves flow of hydraulic oil with the hydraulic oil pump of the driven by engine to the multichannel First controller of the flow matches of the hydraulic oil that valve is provided；And

The first control signal is sent to first controller so that first controller controls hydraulic oil in the banked direction control valves Flow and the driven by engine the second controller of hydraulic fluid flow rate that provides to the banked direction control valves of hydraulic oil pump；

First controller is communicated to connect with the banked direction control valves and electromotor respectively, and the second controller and described first is controlled Device communication connection processed.

2. linked system according to claim 1, it is characterised in that first controller includes：

Receive the signal receiving device of the first control signal that the second controller sends；

The first control signal that the signal receiving device is received is converted to into the flow of hydraulic oil in the control banked direction control valves The second control signal, and the flow for controlling the hydraulic oil that the hydraulic oil pump of the driven by engine is provided to the banked direction control valves The 3rd control signal central control unit；

Second control signal is sent to into the banked direction control valves, and the 3rd control signal is sent to into the electromotor Sender unit；

The signal receiving device is communicated to connect with the second controller, the sender unit respectively with the banked direction control valves With electromotor communicate to connect, the central control unit respectively with the signal receiving device and sender unit communication link Connect.

3. linked system according to claim 2, it is characterised in that the banked direction control valves includes sending out for receiving the signal The pilot valve of the second control signal of device transmission is sent, the pilot valve is digital valve, or, the pilot valve is ratio electromagnetism Valve.

4. linked system according to claim 2, it is characterised in that the electromotor includes sending out for receiving the signal The electronic-controlled installation of the second control signal of device transmission is sent, the electronic-controlled installation is according to the second control signal control Make the aperture size of the throttle moral degree of the electromotor.

5. linked system according to claim 1, it is characterised in that the second controller is included with the proportional-type signal of telecommunication The form of output sends the signal transmitting apparatus of the first control signal to first controller.

6. linked system according to claim 5, it is characterised in that the second controller also includes described for controlling The action bars of the first control signal that signal transmitting apparatus send.

7. linked system according to claim 5, it is characterised in that the second controller also includes control panel, institute State control panel to be provided with for controlling the button of the first control signal that the signal transmitting apparatus send.

8. linked system according to claim 1, it is characterised in that the second controller is and first controller The industrial remote controller of wireless connection, or, the second controller is the electrically-controlled controller with the first controller wired connection.

9. a kind of engineering machinery, it is characterised in that the engineering machinery includes the connection in claim 1～8 described in any one Dynamic system.

10. engineering machinery according to claim 9, it is characterised in that the engineering machinery includes lorry-mounted crane.