CN102322516A - Intelligent control system of double speed gearbox of dredge pump and control method thereof - Google Patents
Intelligent control system of double speed gearbox of dredge pump and control method thereof Download PDFInfo
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- CN102322516A CN102322516A CN201110141426A CN201110141426A CN102322516A CN 102322516 A CN102322516 A CN 102322516A CN 201110141426 A CN201110141426 A CN 201110141426A CN 201110141426 A CN201110141426 A CN 201110141426A CN 102322516 A CN102322516 A CN 102322516A
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Abstract
The invention discloses an intelligent control system of a double speed gearbox of a dredge pump and a control method thereof. The control system comprises an input shaft rotating speed sensor, an output shaft rotating speed sensor, a gear shifting state detecting element, an electrical control element of a gear shifting mechanism and a main controller, wherein a signal input end of the main controller is electrically connected with the input shaft rotating speed sensor, the output shaft rotating speed sensor, an electrical control system of a clutch of the dredge pump and the gear shifting state detecting element; and a signal output end of the main controller is electrically connected with a control signal input end of the electrical control element of the gear shifting mechanism. The control method comprises the following steps: after the main controller receives a gear shifting command input by a user, the main controller judges whether the rotating speeds of a power input shaft and a power output shaft are zero and whether the joint state of the clutch of the drudge pump is in a disconnecting state; and if yes, the electrical control element of the gear shifting mechanism is used for controlling the gear shifting mechanism to shift the gear. The invention realizes the gear shifting control on the double speed gearbox of the dredge pump and meets the requirements of a trailing suction dredge for different rotating speeds under different working conditions such as dredging and mud blowing.
Description
Technical field
The present invention relates to the gear box shifting control technique, relate in particular to trailing suction hopper dredger dredge pump double speed gear intelligent control system and controlling method thereof.
Background technique
Trailing suction hopper dredger is a kind of submerged digging machinery; It sucks mud through the drag head that places hull two topsides or afterbody; The mode of mud, limit navigation of inhaling with the limit is carried out work; Have that maneuverability, efficient are high, anti-storm power is strong, dig dark characteristics such as big, be applicable in coastal port, broad river surface and the operation of boats and ships anchorage.
The dredge pump gear-box is the important component part in the dredger, after slowing down through it, and can be with the power-efficient of prime mover and the stable dredge pump machine that passes to system.Traditional dredge pump gear-box is the structural type of single input shaft, single output shaft, and the dredge pump machine can only be worked under a rotating speed.And in present stage; Needs according to actual engineering; Trailing suction hopper dredger requires the dredge pump gear-box under the structural condition of single input shaft, single output shaft, to have two kinds of different output speeds, and a kind of rotating speed is adapted to the operating mode of dredging; A kind of rotating speed is adapted to blow bricklayer's condition, and two kinds of rotating speeds can freely switch.Therefore, be necessary to research and develop out a kind of intelligent control system that is complementary with the dredge pump double speed gear, realizing freely switching of two kinds of rotating speeds of dredge pump double speed gear, thereby satisfy the need of work of trailing suction hopper dredger.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of dredge pump double speed gear intelligent control system and controlling method thereof; Be used to realize gear shift control to gear-box; Dredge, blow the demand of the different operating modes of mud to satisfy trailing suction hopper dredger, and can carry out fault identification and processing automatically different rotating speeds.
Trailing suction hopper dredger dredge pump double speed gear intelligent control system of the present invention comprises:
Be used to detect the transfer input shaft speed sensors of the power input shaft rotating speed of dredge pump double speed gear;
Be used to detect the OSS of the power output shaft speed of dredge pump double speed gear;
Be used to detect the gearshift Detecting element of the gearshift of dredge pump double speed gear;
Be used to control the gearshift mechanism electric controling element of the gear-change operation of dredge pump double speed gear gearshift mechanism;
Master controller; The signal input part of this master controller is electrically connected with the electric control system that said transfer input shaft speed sensors, OSS, gearshift Detecting element and dredge pump clutch carry; Signal output part is electrically connected with the control signal input end of gearshift mechanism electric controling element, and the gearshift mechanism of controlling the dredge pump double speed gear through the gearshift mechanism electric controling element carries out gear shift.
The controlling method of trailing suction hopper dredger dredge pump double speed gear intelligent control system of the present invention may further comprise the steps:
Master controller is behind the shift command that receives user's input; The output signal of the electric control system that carries according to transfer input shaft speed sensors, OSS and dredge pump clutch; Judge whether power input shaft rotating speed and power output shaft speed are zero, and whether the jointing state of dredge pump clutch is disengaged condition;
If the power input shaft rotating speed of gear-box and power output shaft speed are zero; And the jointing state of dredge pump clutch is a disengaged condition; Then master controller sends the gear shift control signal and gives the gearshift mechanism electric controling element, and the gearshift mechanism of controlling the dredge pump double speed gear through the gearshift mechanism electric controling element begins gear-change operation;
Carry out in the process of gear shift at gearshift mechanism, the gearshift Detecting element detects the working position of gearshift mechanism, and sends testing signal to master controller; Master controller is implemented control according to testing signal according to preset sequence of movement program swapping gear mechanism electric control unit.
The present invention has well adapted to the performance characteristic of trailing suction hopper dredger, has following advantage:
1) the present invention has realized the gear shift control to the dredge pump double speed gear; Satisfy and dredge, blow the demand of the different operating modes of mud different rotating speeds; In the gearshift procedure; Control system can number be carried out logical operation to corresponding magnetic switch signal and other chain letter on each cylinder of dredge pump double speed gear gearshift mechanism, carries out corresponding operation according to logic operation result;
2) control system of the present invention has gear shift fault identification and processing capacity automatically, has guaranteed the stability of equipment work, has reduced operator's working strength greatly;
3) adopt the design of PLC program modularity, both had high reliability, convenient again the use; The reciprocal interlocking of control signal has avoided system to be damaged because of misoperation, has improved the safety reliability of system greatly;
4) the present invention has adopted independently RS485 bus communication unit, and noise immunity is good, has guaranteed the stability of control system transmission signal;
5) control system is equipped with double-power source, the Security that the system that guaranteed uses;
6) but the other control of control system machine, but also Remote is convenient to operator and is used;
7) output of multiple signal indication is convenient to operator equipment is monitored in real time;
8) a whole set of control system is easy to use, has high stability, high reliability.
Description of drawings
Fig. 1 is the theory diagram according to the dredge pump double speed gear intelligent control system of one embodiment of the present invention.
Fig. 2 is the principle schematic according to the gear drive of the dredge pump double speed gear of one embodiment of the present invention.
Fig. 3 is the principle schematic according to the gearshift mechanism of the dredge pump double speed gear of one embodiment of the present invention.
Fig. 4 is according to the gearshift mechanism electric controling element of one embodiment of the present invention and the schematic representation that is connected of gear shifting cylinder and positioning cylinder.
Fig. 5 is the gas circuit connection schematic representation according to one embodiment of the present invention.
Fig. 6 is the schematic representation according to the barring mechanism of one embodiment of the present invention.
Fig. 7 is the schematic flow sheet of discerning and handling automatically according to the gear shift fault of one embodiment of the present invention.
Fig. 8 is according to the gear shift Fault Identification of one embodiment of the present invention and the skeleton diagram of processing unit.
Embodiment
Below in conjunction with accompanying drawing the present invention is made and to further describe.
As shown in Figure 1, dredge pump double speed gear intelligent control system of the present invention comprises: master controller 1, transfer input shaft speed sensors 21, OSS 22, gearshift Detecting element 24 and gearshift mechanism electric controling element 4.
Wherein, the dredge pump double speed gear comprises power input shaft, pto, gear drive, gearshift mechanism.Transfer input shaft speed sensors 21 is used for the power input shaft rotating speed of measuring gear case; OSS 22 is used for the power output shaft speed of measuring gear case; The dredge pump clutch connects boat diesel engine and dredge pump double speed gear, preferably adopts the dry type multi-disc friction clutch; Gearshift Detecting element 24 is used to detect gearshift; Gearshift mechanism electric controling element 4 is used to control the gear-change operation of dredge pump double speed gear gearshift mechanism.The signal input part of master controller 1 and transfer input shaft speed sensors 21, OSS 22, the electric control system 23 and the gearshift Detecting element 24 that are carried by the dredge pump clutch are electrically connected; Signal output part is electrically connected with the control signal input end of gearshift mechanism electric controling element 4, and the gearshift mechanism of controlling the dredge pump double speed gear through this gearshift mechanism electric controling element carries out gear shift.Master controller 1 preferably adopts the PLC controller.
Master controller 1 comprises that main control unit 11, input unit 12, gear shift allow judgement unit 13, shift change controller 14, RS485 bus communication unit 15 and output unit 184.Wherein: input unit 12 is used to receive user's input instruction, and should import to instruct and send main control unit 11 to.This input unit can be button, keyboard etc.Gear shift allows judgement unit 13 to be used to receive the output signal of transfer input shaft speed sensors 21 and OSS 22 and dredge pump clutch current state signal that dredge pump clutch electric control system 23 is seen off and differentiates; If the rotating speed of input shaft rotational speed and output shaft is zero; And the jointing state of dredge pump clutch is then exported one and is allowed shift signal to give main control unit 11 for throwing off.Main control unit 11 is when the permission shift signal of shift command that receives user's input and 13 outputs of gear shift permission judgement unit, and order shift change controller 14 carries out gear shift according to shift command.Shift change controller 14 is under the control of main control unit 11; According to the testing signal that receives from gearshift Detecting element 24; Carry out gear shift through gearshift mechanism electric controling element 4 control gearshift mechanisms, after gear shift is accomplished, send a gear shift finishing stage signal to main control unit 11.For example; If user's input is the top gear shift command; Then shift change controller 14 is after accomplishing the top gear gear shift; Can the top gear state signal be sent to main control unit 11, main control unit 11 can send to outside control apparatus through RS485 bus communication module with this top gear state signal.RS485 bus communication unit and main control unit 11 both-way communications.Through RS485 bus communication unit independently, can be convenient to the status information that operator grasp each equipment in real time to real-time the sending on the ship in the AMS alarm system of each input, the output status signal of control system of the present invention.Output unit 184 can be under the control of main control unit 11 operating state signal of output gear case.The operating state signal of this gear-box can comprise that power input shaft tach signal, power output shaft speed signal, lubricating oil high-temp alarm signal, lubricant oil low pressure alarming signal, lowpressure alarm signal, filter stop up the gearshift signal (fast state signal, lower-speed state signal or neutral state signal) of alarm signal, gear shift failure alarm signal, gear-box and the mode of operation signal of gear-box (other state of a control signal of machine or Remote state signal).
Fig. 2 and Fig. 3 show respectively according to the gear drive of the dredge pump double speed gear of one embodiment of the present invention and the principle schematic of gearshift mechanism.This dredge pump double speed gear has top gear, bottom gear and three gears of neutral gear, and can between above-mentioned three gears, switch.The gear drive of this gear-box comprises high speed driving gear pair 33, low gear secondary 34 and tooth clutch 35; Wherein: high speed driving gear pair 33 comprises intermeshing high speed driving gear 33a and high speed driven gear 33b; Low gear secondary 34 comprises intermeshing low-speed active gear 34a and low speed driven gear 34b; High speed driving gear 33a and low-speed active gear 34a all through Bearing Installation on the power input shaft 31 of gear-box, high speed driven gear 33b and low speed driven gear 34b are arranged on the pto 32 of gear-box.As shown in Figure 2, in the present embodiment, described high speed driving gear 33a and low-speed active gear 34a are enclosed within on the power input shaft 31 through bearing 36 and bearing 37 skies respectively, and are meshed with high speed driven gear 33b and low speed driven gear 34b respectively.Tooth clutch 35 is set on the power input shaft 31 between high speed driving gear 33a and the low-speed active gear 34a through spline pair.Tooth clutch 35 can optionally engage with high speed driving gear pair or low gear pair in left and right sides slippage on power input shaft 31 under the control of gearshift mechanism, accomplishes the operation of top gear, bottom gear and three gears of neutral gear.
In mode of execution shown in Figure 2, described tooth clutch 35 comprises gear shift slide part 350 and the top gear spline pair and the bottom gear spline pair that are separately positioned on these gear shift slide part both sides.The top gear spline pair comprise can be intermeshing high speed initiatively external splines gear ring 351 and the driven internal spline hub 353 of high speed, the bottom gear spline pair comprise can intermeshing low speed initiatively external splines gear ring 352 and the driven internal spline hub 354 of low speed; Initiatively external splines gear ring 351 links to each other with the both sides of this gear shift slide part 350 respectively with low speed active external splines gear ring 352 at a high speed, and the driven internal spline hub 353 of high speed links to each other with low-speed active gear 34a with high speed driving gear 33a respectively with the driven internal spline hub 354 of low speed.In one embodiment, the driven internal spline hub 353 of high speed fuses with high speed driving gear 33a and low-speed active gear 34a respectively with the driven internal spline hub 354 of low speed.On the power input shaft between high speed driving gear 33a and the low-speed active gear 34a, be provided with the guiding spline, gear shift slide part 350 is provided with and the suitable spline of this guiding spline; The spline pair that tooth clutch 35 is formed through above-mentioned guiding spline and spline is set on the power input shaft 31.Tooth clutch 35 is through the slippage of gear shift slide part 350; High speed active external splines gear ring 351 is meshed with the driven internal spline hub 353 of the high speed of high speed driving gear side, realizes splined, rotate synchronously thereby can drive high speed driving gear 33a; Perhaps; Low speed active external splines gear ring 352 is meshed with the driven internal spline hub 354 of the low speed of low-speed active gear side, realizes splined, rotate synchronously thereby can drive low-speed active gear 34a.
With reference to figure 3, gearshift mechanism comprises shifting fork bar 371, can drive swinging arm 372 that shifting fork bar 371 rotates together, can promote gear shifting cylinder and positioning cylinder 374 that swinging arm 372 rotates.The outer wall of gear shift slide part 350 is provided with stirs forced section 3501 (referring to Fig. 2), and the shift fork 3711 of shifting fork bar 371 1 ends is fastened in stirring on the forced section of gear shift slide part, stirs tooth clutch 35 left and right sides slippage on power input shaft 31.In one embodiment, this stirs forced section is the lug that is arranged on gear shift slide part 350 outer walls, and shift fork 3711 is fastened on this lug, thereby can stir tooth clutch 35 move left and right.One end of swinging arm 372 is a major axis; The other end of shifting fork bar 371 and this major axis splined; Thereby can rotate with swinging arm 372, gear shifting cylinder is made up of two cylinders 3731,3732 that are coupled to each other back-to-back, wherein; The piston rod of cylinder 3731 stretches out in that end of cylinder body and is fixedly connected with fixed base 3721 on being arranged at the swinging arm body, and the piston rod of cylinder 3732 stretches out in that end of cylinder body and is fixedly connected with fixed base 3722 on being arranged at gear case body.The other end of the swinging arm 372 relative with positioning cylinder 373 is provided with the piston rod that supplies positioning cylinder 374 and inserts top gear locking aperture 3723, bottom gear locking aperture 3724 and the neutral gear locking aperture 3725 of location.When gear-box 3 is in top gear, bottom gear and neutral gear; The piston rod of positioning cylinder is right against top gear locking aperture 3723, bottom gear locking aperture 3724 and neutral gear locking aperture 3725 respectively; Thereby can extend in the locking aperture; Swinging arm can't be rotated again, realize the locking of gear, avoided in work progress system former thereby be damaged because of misoperation or other.
Fig. 4 shows the annexation schematic representation of gearshift mechanism electric controling element 4 and gear shifting cylinder, positioning cylinder.In this embodiment, gearshift mechanism electric controling element 4 comprises that the solenoid directional control valve 381 of the pressurized air flow direction that is used for control cylinder 3731, the solenoid directional control valve 382 and being used to that is used for the pressurized air flow direction of control cylinder 3732 control the solenoid directional control valve 383 of the pressurized air flow direction of positioning cylinder 374.Wherein, solenoid directional control valve 381 is provided with 2 electromagnetic coil Y1, Y2, and solenoid directional control valve 382 is provided with 2 electromagnetic coil Y3, Y4, and solenoid directional control valve 383 is provided with 1 electromagnetic coil Y5.Gearshift Detecting element 24 comprises 2 the magnetic switch X1, the X2 that are arranged on the cylinder 3731, is arranged on 2 magnetic switch X3, X4 on the cylinder 3732 and is arranged on 2 magnetic switch X5, the X6 on the positioning cylinder 374.Be equipped with magnetite on the piston of above-mentioned cylinder, when piston was gone to certain position, magnetic switch can have nonmagneticly judge whether piston is walked to put in place through induction, and sees corresponding state signal off.
The gas circuit that Fig. 5 shows according to one embodiment of the present invention connects schematic representation.As shown in the figure, this gas circuit is provided with ball valve 51, pressure gauge 52, filtering pressure reducing valve 53, lubriator 54, safety valve 55, be used to detect gas pressure switch 56, stop valve 57, the bleed valve 58 of the gas pressure of gas circuit.
In this embodiment; Gear-box 3 is following by the gearshift procedure that neutral gear switches to top gear: after the user imported high speed shift commands (for example pressing the top gear button) through input unit 12, main control unit 11 judged whether to allow judgement unit 13 to receive the permission shift signal from gear shift.If dredge pump throw-out-of clutch, output shaft rotating speed are zero and input shaft rotating speed when being zero; Main control unit 11 can allow judgement unit 13 to receive the permission shift signal from gear shift; This moment, main control unit 11 got through the electromagnetic coil Y5 on the top gear gear shift control sub unit 141 control solenoid directional control valves 383; The A end air inlet of the positioning cylinder 374 that links to each other with solenoid directional control valve 383, the piston rod indentation of positioning cylinder 374 is withdrawed from neutral gear locking aperture 3725; Magnetic switch X5 breaks off, and removes the gear locking.When the piston of positioning cylinder 373 moves to the position of magnetic switch X6, magnetic switch X6 is closed, and sends this closed state signal to top gear gear shift control sub unit 141.The electromagnetic coil Y2 of 141 pairs of solenoid directional control valves 381 of top gear gear shift control sub unit and the electromagnetic coil Y3 of solenoid directional control valve 382 power supply; The B end air inlet of the A end of the cylinder 3731 that links to each other with solenoid directional control valve 381 and the cylinder 3732 that links to each other with solenoid directional control valve 382; Piston moves; Promote swinging arm 372 and clockwise rotate, swinging arm drives shifting fork bar 371 and rotates, and shifting fork bar 371 drives gear shift slide part 350 and is moved to the left along the guiding spline on the power input shaft 31.Move to the position of magnetic switch X1 when the piston of cylinder 3731; When the piston of cylinder 3732 moves to the position of magnetic switch X4; The high speed of the tooth clutch initiatively driven internal spline hub of external splines gear ring 351 and the high speed of high speed driving gear 33a side 353 is meshed through spline pair, and the moment of torsion that power input shaft 31 is exported passes to high speed driving gear 33a.High-speed gear pair 33 work by high speed driving gear 33a and high speed driven gear 33b form drive pto 32 rotations.Meanwhile, magnetic switch X1, X4 are closed, and send this closed state signal to top gear gear shift control sub unit 141.Top gear gear shift control sub unit 141 makes the electromagnetic coil Y5 outage of solenoid directional control valve 383; The spool of solenoid directional control valve 383 moves, the B end air inlet of the positioning cylinder 374 that links to each other with solenoid directional control valve 383, and piston stretches out; Magnetic switch X6 breaks off; Piston rod is extend in the top gear locking aperture 3723, realize the top gear position and lock, accomplish gear shift.Simultaneously, piston moves to the position of magnetic switch X5, and magnetic switch X5 is closed, and the closed state signal is sent to top gear gear shift control sub unit 141.At this moment; Magnetic switch X1, X4 and X5 are closed; All the other magnetic switches all break off; Top gear gear shift control sub unit 141 is sent a top gear gear shift finishing stage signal to main control unit 11, and main control unit 11 can be seen this top gear gear shift finishing stage signal off through the RS485 communication module, supplies the control system of full ship to use.
Gear-box 3 is following by the gearshift procedure that neutral gear switches to bottom gear: after the user imported bottom gear shift commands (for example pressing the bottom gear button) through input unit 12, main control unit 11 judged whether to allow judgement unit 13 to receive the permission shift signal from gear shift.If dredge pump throw-out-of clutch, output shaft rotating speed are zero and input shaft rotating speed when being zero; Main control unit 11 can allow judgement unit 13 to receive the permission shift signal from gear shift; This moment, main control unit 11 got through the electromagnetic coil Y5 on the bottom gear gear shift control sub unit 142 control solenoid directional control valves 383; The A end air inlet of the positioning cylinder 374 that links to each other with solenoid directional control valve 383, the piston rod indentation of positioning cylinder 374 is withdrawed from neutral gear locking aperture 3725; Magnetic switch X5 breaks off, and removes the gear locking.When the piston of positioning cylinder 374 moves to the position of magnetic switch X6, magnetic switch X6 is closed, and sends this closed state signal to bottom gear gear shift control sub unit 142.The electromagnetic coil Y1 of 142 pairs of solenoid directional control valves 381 of bottom gear gear shift control sub unit and the electromagnetic coil Y4 of solenoid directional control valve 382 power supply; The A end air inlet of the B end of the cylinder 3731 that links to each other with solenoid directional control valve 381 and the cylinder 3732 that links to each other with solenoid directional control valve 382; Piston moves; Promote swinging arm 372 and rotate counterclockwise, swinging arm drives shifting fork bar 371 and rotates, and shifting fork bar 371 drives gear shift slide part 350 and moves right along the guiding spline on the power input shaft 31.Move to the position of magnetic switch X2 when the piston of cylinder 3731; When the piston of cylinder 3732 moves to the position of magnetic switch X3; The low speed of the tooth clutch initiatively driven internal spline hub of external splines gear ring 352 and the low speed of low-speed active gear 34a side 354 is meshed through spline pair, and the moment of torsion that power input shaft 31 is exported passes to low-speed active gear 34a.By the low speed gear subtask that low-speed active gear 34a and low speed driven gear 34b form, drive pto 32 rotations.Meanwhile, magnetic switch X2, X3 are closed, and send this closed state signal to bottom gear gear shift control sub unit 142.Bottom gear gear shift control sub unit 142 makes the electromagnetic coil Y5 outage of solenoid directional control valve 383; The spool of solenoid directional control valve 383 moves, the B end air inlet of the positioning cylinder 374 that links to each other with solenoid directional control valve 383, and piston stretches out; Magnetic switch X6 breaks off; Piston rod is extend in the bottom gear locking aperture 3724, realize the bottom gear position and lock, accomplish gear shift.Simultaneously, piston moves to the position of magnetic switch X5, and magnetic switch X5 is closed, and the closed state signal is sent to bottom gear gear shift control sub unit 142.At this moment; Magnetic switch X2, X3 and X5 are closed; All the other magnetic switches all break off; Bottom gear gear shift control sub unit 142 is sent a bottom gear gear shift finishing stage signal to main control unit 11, and main control unit 11 can be seen this bottom gear gear shift finishing stage signal off through the RS485 communication module, supplies the control system of full ship to use.
Gear-box 3 is following by the gearshift procedure that top gear or bottom gear switch to neutral gear: after the user imported neutral gear shift commands (for example pressing the neutral gear button) through input unit 12, main control unit 11 judged whether to allow judgement unit 13 to receive the permission shift signal from gear shift.If dredge pump throw-out-of clutch, output shaft rotating speed are zero and input shaft rotating speed when being zero; Main control unit 11 can allow judgement unit 13 to receive the permission shift signal from gear shift; This moment, main control unit 11 got through the electromagnetic coil Y5 on the neutral gear gear shift control sub unit 143 control solenoid directional control valves 383; The A end air inlet of the positioning cylinder 374 that links to each other with solenoid directional control valve 383, the piston rod indentation of positioning cylinder 373 is withdrawed from neutral gear locking aperture 3725; Magnetic switch X5 breaks off, and removes the gear locking.When the piston of positioning cylinder 374 moves to the position of magnetic switch X6, magnetic switch X6 is closed, and sends this closed state signal to neutral gear gear shift control sub unit 143.The electromagnetic coil Y2 of 143 pairs of solenoid directional control valves 381 of neutral gear gear shift control sub unit and the electromagnetic coil Y4 of solenoid directional control valve 382 power supply; The A end air inlet of the A end of the cylinder 3731 that links to each other with solenoid directional control valve 381 and the cylinder 3732 that links to each other with solenoid directional control valve 382; Piston moves; Promote swinging arm 372 and rotate, swinging arm drives shifting fork bar 371 and rotates, and shifting fork bar 371 drives gear shift slide part 350 and moves to neutral position shown in Figure 2 along the guiding spline on the power input shaft 31.Tooth clutch and high speed driving gear 33a or low-speed active gear 34a disengage from, high-speed gear pair or low speed gear pair are not worked.Meanwhile, magnetic switch X1, X3 are closed, and send this closed state signal to neutral gear gear shift control sub unit 143.Neutral gear gear shift control sub unit 143 makes the electromagnetic coil Y5 outage of solenoid directional control valve 383; The spool of solenoid directional control valve 383 moves, the B end air inlet of the positioning cylinder 374 that links to each other with solenoid directional control valve 383, and piston stretches out; Magnetic switch X6 breaks off; Piston rod is extend in the neutral gear locking aperture 3725, realize the neutral gear position and lock, accomplish gear shift.Simultaneously, piston moves to the position of magnetic switch X5, and magnetic switch X5 is closed, and the closed state signal is sent to neutral gear gear shift control sub unit 143.At this moment; Magnetic switch X1, X3 and X5 are closed; All the other magnetic switches all break off; Neutral gear gear shift control sub unit 143 is sent a neutral gear gear shift finishing stage signal to main control unit 11, and main control unit 11 can be seen this neutral gear gear shift finishing stage signal off through the RS485 communication module, supplies the control system of full ship to use.
Gear-box 3 of the present invention can be under the structural type of single input shaft, single output shaft; Realize two kinds of different rotating speed outputs; Wherein, obtain the demand that lower output speed can satisfy the operating mode of dredging, obtain higher output speed by little speed ratio and can satisfy the demand of blowing bricklayer's condition by large speed ratio; Control system realizes freely switching of two kinds of rotating speeds through the gear shifting cylinder of control gearshift mechanism and the action of positioning cylinder, and whole process is quick and easy, reliable.
As shown in Figure 6, in an embodiment of the invention, gear-box 3 also comprises a shift disk mechanism of car, and it is mainly used in the smooth conversion that realizes the gear-box working state.This shift disk mechanism of car comprises jiggering motor 91, speed reducer 92, jiggering gear pair 93 and magnetic clutch 94.The clutch end of jiggering motor 91 is connected with the input end of speed reducer 92, and the output terminal of speed reducer 92 is connected with the initiative part of magnetic clutch 94 through jiggering gear pair 93.This jiggering gear pair 93 is made up of intermeshing two gears; One of them gear is arranged on the output shaft of speed reducer 92; Another gear links together through the initiative part of bolt and jiggering clutch 94; And pass through bearing housing on the power input shaft of gear-box 3, and the follower of magnetic clutch 94 is connected with the power input shaft of gear-box 3, and the jiggering motor 91 and the speed reducer 92 of this shift disk mechanism of car are installed on the casing of gear-box.When the gear shift fault appears in gear-box 3 in gearshift procedure; (tooth phenomenon for example appear support) during handover success smoothly; Control system control panel vehicle motor 91 starts, magnetic clutch 94 engages; Thereby the power input shaft of driven gear case 3 turns over certain angle; The phase place of tooth clutch 35 can be adjusted automatically, can realize at a high speed initiatively external splines gear ring 351 and the driven internal spline hub 353 of high speed or the insertion engagement of low speed active external splines gear ring 352 and the driven internal spline hub 354 of low speed, accomplishes gearshift procedure smoothly.Has advantage simple in structure, that application is convenient, safe and reliable.
This dredge pump double speed gear control system also comprise the lubricating oil pressure that is used for detecting this gear-box pressure switch 26, be used to detect the lubricating oil temperature of this gear-box thermal switch 28, be used for the pressure reduction the warning device 29 whether filter of measuring gear case oil system stops up.
Master controller 1 also comprises pressure state judgement unit 161; The magnetic clutch control unit 162 of jointing state of magnetic clutch that is used for the barring mechanism of control gear case; Dredge pump clutch state processing unit 17; Be used to receive the lubricating oil high-temp warning processing unit 181 of the lubricating oil high-temp alarm signal of thermal switch 28 outputs; The filter that is used to receive the obstruction alarm signal of pressure reduction warning device 29 outputs stops up warning processing unit 182; The lowpressure warning processing unit 183 and gear shift Fault Identification and processing unit 19 that are used for the lowpressure alarm signal of receiver gases pressure switch 56 outputs.
Pressure state judgement unit 161 is used to receive the output signal of pressure switch 26 and differentiate, if do not receive the lubricant oil low pressure alarming signal of pressure switch 26 outputs, then sends a pressure state to main control unit 11 and meets signal; Main control unit 11 is in disengaged condition and main control unit 11 at the magnetic clutch 94 of magnetic clutch control unit 162 control panel mechanism of car and receives pressure state and meet 1 o'clock in signal and dredge pump double speed gear top gear gear shift finishing stage signal or the bottom gear gear shift finishing stage signal, and control dredge pump clutch state processing unit 17 outputs one dredge pump clutch allows signal to give dredge pump clutch electric control system 23.Lubricating oil high-temp warning processing unit 181, filter obstruction warning processing unit 182 and lowpressure warning processing unit 183 when receiving high temperature alarm signal, lowpressure alarm signal and stopping up alarm signal, send alarm signal through main control unit 11 notice output units 184 respectively; Can also notify RS485 bus communication unit 15 that each alarm signal extension is seen off by main control unit 11, supply the control system of full ship to use.
Gear shift Fault Identification and processing unit 19 are used for the gear shift fault is discerned and handled, and the gear shift fault occurring and can't be by oneself sending the gear shift failure alarm signal during back.It mainly is when unsuccessful, through judging and taking certain treatment measures, to be used for guaranteeing the smooth completion of gear box shifting to gear shift, can reduce personnel's working strength.
The specific embodiment that Fig. 7 shows the gear shift Fault Identification and processing unit 19 carries out Fault Identification and processing, its process is following:
The user imports neutral gear shift command (step S201); After 5 seconds, gear shift Fault Identification and processing unit 19 are judged the state signal (step S202) of the magnetic switch X1-X6 that receives, if correct neutral state signal; Then represent neutral gear gear shift success; Gear shift Fault Identification and processing unit 19 are seen the neutral state signal off to output unit 184 (step S203), otherwise gear shift Fault Identification and processing unit 19 are seen neutral gear gear shift failure alarm signal off to output unit 184 (step S204);
The user imports bottom gear shift command or top gear shift command (step S301); After 5 seconds; Gear shift Fault Identification and processing unit 19 are judged the state signal (step S302) of the magnetic switch X1-X6 that receives; If correct bottom gear or top gear state signal represent that then gear shift success, gear shift Fault Identification and processing unit 19 see bottom gear or top gear state signal off to output unit 184 (step S303); Otherwise gear shift Fault Identification and processing unit 19 will be carried out conversion neutral gear order (step S304).At this moment, unsuccessful if neutral gear switches, then gear shift Fault Identification and processing unit 19 are directly exported bottom gear gear shift failure alarm signal or top gear gear shift failure alarm signal to output unit 184 (step S305); Otherwise neutral gear gear shift success is after then delaying time 1 second; Gear shift Fault Identification and processing unit 19 boot disk vehicle motors 91 (step S306) engage magnetic clutch 94 (step S307), after 2 seconds after 2 seconds; Magnetic clutch 94 is thrown off (step S308), and gear shift Fault Identification and processing unit 19 judge according to transfer input shaft speed sensors 21 detected input shaft rotating speed signals, when gear shift Fault Identification and processing unit 19 think that the input shaft rotating speed is zero; Again carry out the operation (step S309) of bottom gear gear shift or top gear gear shift, after 5 seconds, gear shift Fault Identification and processing unit 19 are judged the state signal of the magnetic switch that receives; If correct bottom gear or top gear state signal; Represent that then gear shift success, gear shift Fault Identification and processing unit 19 stop to the power supply of jiggering motor, and output bottom gear or top gear state signal are given output unit 184; Otherwise, repeat above-mentioned conversion neutral gear order (step S304) and order execution downwards.Repeat the operation that switches to bottom gear gear shift or top gear gear shift and repeatedly (be set to here three times), gear shift Fault Identification and processing unit 19 were seen bottom gear gear shift failure alarm signal or top gear gear shift failure alarm signal off and are given output unit 184 when gear shift Fault Identification and processing unit 19 still can't detect correct state signal.
In one embodiment, as shown in Figure 8, gear shift Fault Identification and processing unit 19 comprise:
Top gear gear shift Fault Identification and processing subelement 191, bottom gear gear shift Fault Identification and processing subelement 192 and neutral gear gear shift Fault Identification and processing subelement 193;
Top gear gear shift Fault Identification and processing subelement 191 comprise signal acquisition part 1911, identification processing division 1912, loop control portion 1914, normal state carry-out part 1915 and malfunction alarm carry-out part 1916.Signal acquisition part 1911 is used to gather the testing signal of gearshift Detecting element 24; Identification processing division 1912 is used for after the top gear gear-change operation is through a Preset Time, judges according to the testing signal that receives from gearshift Detecting element 24 whether gear shift is successful, if success is then through normal state carry-out part 1915 output top gear state signals; If it is unsuccessful; Then carry out the operation that switches to neutral gear earlier, carry out the operation that is switched to top gear by the neutral gear gear shift again, that is: instruction neutral gear gear shift control sub unit 143 is carried out the neutral gear gear-change operation earlier; After the neutral gear gear-change operation is through a Preset Time; Testing signal according to signal acquisition part 1911 is gathered from gearshift Detecting element 24 judges whether this neutral gear gear shift is successful, then sends a top gear gear shift failure alarm signal through malfunction alarm carry-out part 1916 if get nowhere, if judge that this neutral gear gear shift is successful; Then the instruction barring mechanism carries out jiggering earlier, instructs top gear gear shift control sub unit 141 to carry out the top gear gear-change operation then; Loop control portion 1914 judges according to the testing signal that signal acquisition part 1911 receives from gearshift Detecting element 24 whether the top gear gear shift is successful after the top gear gear-change operation is through a Preset Time; If it is unsuccessful; Then instruction identification processing division 1912 is carried out once more and is switched to neutral gear earlier, switched to the operation of top gear gear shift by the neutral gear gear shift again; Triplicate judges still that like loop control portion 1914 the top gear gear shift is unsuccessful, then sends top gear gear shift failure alarm signal through malfunction alarm carry-out part 1916; Otherwise, through normal state carry-out part 1915 output top gear state signals;
Bottom gear gear shift Fault Identification and processing subelement 192 comprise signal acquisition part 1921, identification processing division 1922, loop control portion 1924, normal state carry-out part 1925 and malfunction alarm carry-out part 1926.Signal acquisition part 1921 is used to gather the testing signal of gearshift Detecting element 24; Identification processing division 1922 is used for after the bottom gear gear-change operation is through a Preset Time, judges according to the testing signal that receives from gearshift Detecting element 24 whether gear shift is successful, if success is then through normal state carry-out part 1925 output bottom gear state signals; If it is unsuccessful; Then carry out the operation that switches to neutral gear earlier, carry out the operation that is switched to bottom gear by the neutral gear gear shift again, that is: instruction neutral gear gear shift control sub unit 143 is carried out the neutral gear gear-change operation earlier; After the neutral gear gear-change operation is through a Preset Time; Testing signal according to signal acquisition part 1921 is gathered from gearshift Detecting element 24 judges whether this neutral gear gear shift is successful, then sends a bottom gear gear shift failure alarm signal through malfunction alarm carry-out part 1926 if get nowhere, if judge that this neutral gear gear shift is successful; Then the instruction barring mechanism carries out jiggering earlier, instructs bottom gear gear shift control sub unit 141 to carry out the bottom gear gear-change operation then; Loop control portion 1924 judges according to the testing signal that signal acquisition part 1921 receives from gearshift Detecting element 24 whether the bottom gear gear shift is successful after the bottom gear gear-change operation is through a Preset Time; If it is unsuccessful; Then instruction identification processing division 1922 is carried out once more and is switched to neutral gear earlier, is switched to the operation of bottom gear gear shift again by the neutral gear gear shift, triplicate; Still judge that like loop control portion 1924 the bottom gear gear shift is unsuccessful; Then send bottom gear gear shift failure alarm signal through malfunction alarm carry-out part 1926, otherwise, through normal state carry-out part 1925 output bottom gear state signals;
Neutral gear gear shift Fault Identification and processing subelement 193 comprise signal acquisition part 1931, identification processing division 1932, normal state carry-out part 1935 and malfunction alarm carry-out part 1936.Signal acquisition part 1931 is used to gather the testing signal of gearshift Detecting element 24; Identification processing division 1932 is used for after the neutral gear gear-change operation is through a Preset Time; Judge according to the testing signal that receives from gearshift Detecting element 24 whether gear shift is successful; If success then through normal state carry-out part 1935 output neutral state signals, is then sent a neutral gear gear shift failure alarm signal through malfunction alarm carry-out part 1936 as if unsuccessful.
In one embodiment of the invention; Be used for comprising primary power supply 61, secondary power supply 62 and power change-over switch 63 to the power supply of this dredge pump double speed gear control system power supply; Power change-over switch 63 is used between primary power supply 61 and secondary power supply 62, switching, and selects one in primary power supply 61 and the secondary power supply 62 to supply power to master controller.When power change-over switch 63 was in " primary power supply " state, the DC24V power supply of control system was provided by the DC24V primary power supply.If when primary power supply dead electricity or cisco unity malfunction, power change-over switch 63 switches to " secondary power supply " state, the DC24V power supply of control system is provided by outside (emergency switchboard), so that control system can work on.
The controlling method of dredge pump gear-box control system of the present invention may further comprise the steps:
Master controller is behind the shift command that receives user's input; The output signal of the electric control system that carries according to transfer input shaft speed sensors, OSS and dredge pump clutch; Judge whether power input shaft rotating speed and power output shaft speed are zero, and whether the jointing state of dredge pump clutch is disengaged condition;
If the power input shaft rotating speed of gear-box and power output shaft speed are zero; And the jointing state of dredge pump clutch is a disengaged condition; Then master controller sends the gear shift control signal and gives the gearshift mechanism electric controling element, and the gearshift mechanism through gearshift mechanism electric controling element control gear case begins gear-change operation;
Carry out in the process of gear shift at gearshift mechanism, the gearshift Detecting element detects the working position of gearshift mechanism, and sends testing signal to master controller; Master controller is implemented control according to testing signal according to preset sequence of movement program swapping gear mechanism electric control unit.
In one embodiment, above-mentioned gearshift mechanism comprises gear shifting cylinder and positioning cylinder, and the gearshift Detecting element comprises the magnetic switch that is arranged on the gear shifting cylinder and is arranged on the magnetic switch on the positioning cylinder; The solenoid directional control valve of solenoid directional control valve that the gearshift mechanism electric control unit comprises the pressurized air flow direction that is used to control gear shifting cylinder and the pressurized air flow direction that is used to control positioning cylinder.
In the present invention, only be zero at gear-box power input shaft rotating speed, power output shaft speed be zero and the situation of dredge pump throw-out-of clutch under, gear-box can allow gear shift, otherwise invalid, has avoided error signal to cause gear-box to bump the appearance of tooth phenomenon; When only accomplishing (being that bottom gear or top gear are accomplished), gear box lubricating oil pressure greater than setting value and magnetic clutch disengagement in gear shift; Control system just can be seen off and allow to engage signal to the dredge pump clutch; Otherwise dredge pump clutch attonity has avoided the dredge pump clutch to close the damage that whole system is caused because of misconnection; Gear box lubricating oil hypotony, control system can be seen stop sign off and give diesel engine, the damage of having avoided the lubricant oil deficiency that gear-box is caused.
Claims (10)
1. a dredge pump double speed gear intelligent control system is characterized in that, comprising:
Be used to detect the transfer input shaft speed sensors of the power input shaft rotating speed of dredge pump double speed gear;
Be used to detect the OSS of the power output shaft speed of dredge pump double speed gear;
Be used to detect the gearshift Detecting element of the gearshift of dredge pump double speed gear;
Be used to control the gearshift mechanism electric controling element of the gear-change operation of dredge pump double speed gear gearshift mechanism;
Master controller; The signal input part of said master controller is electrically connected with the electric control system that said transfer input shaft speed sensors, OSS, gearshift Detecting element and dredge pump clutch carry; Signal output part is electrically connected with the control signal input end of gearshift mechanism electric controling element, and the gearshift mechanism of controlling the dredge pump double speed gear through said gearshift mechanism electric controling element carries out gear shift.
2. dredge pump double speed gear intelligent control system as claimed in claim 1 is characterized in that,
Said master controller comprises that input unit, gear shift allow judgement unit, main control unit, shift change controller and output unit; Wherein:
Input unit is used to receive user's input instruction, and should import to instruct and send said main control unit to;
Gear shift allows judgement unit; Be used to receive the output signal of transfer input shaft speed sensors and OSS and dredge pump clutch current state signal that dredge pump clutch electric control system is seen off and differentiate; If the rotating speed of input shaft rotational speed and output shaft is zero; And the jointing state of dredge pump clutch is then exported one and is allowed shift signal to give said main control unit for throwing off;
Main control unit when shift command that receives user's input and described permission shift signal, orders said shift change controller to carry out gear shift according to described shift command;
Shift change controller; Under the control of said main control unit,, control said gearshift mechanism through said gearshift mechanism electric controling element and carry out gear shift according to the testing signal that receives from the gearshift Detecting element; Gear shift is sent a gear shift finishing stage signal to said main control unit after accomplishing;
Output unit, the operating state signal of output gear case under the control of said main control unit.
3. dredge pump double speed gear intelligent control system as claimed in claim 2 is characterized in that,
Described shift change controller further comprises:
Top gear gear shift control sub unit under the control of said main control unit, according to the testing signal that receives from the gearshift Detecting element, is controlled said gearshift mechanism through said gearshift mechanism electric controling element and is switched to top gear; The top gear gear shift is sent a top gear gear shift finishing stage signal to said main control unit after accomplishing;
Bottom gear gear shift control sub unit under the control of said main control unit, according to the testing signal that receives from the gearshift Detecting element, is controlled said gearshift mechanism through said gearshift mechanism electric controling element and is switched to bottom gear; The bottom gear gear shift is sent a bottom gear gear shift finishing stage signal to said main control unit after accomplishing;
Neutral gear gear shift control sub unit under the control of said main control unit, according to the testing signal that receives from the gearshift Detecting element, is controlled said gearshift mechanism through said gearshift mechanism electric controling element and is switched to neutral gear; The neutral gear gear shift is sent a neutral gear gear shift finishing stage signal to said main control unit after accomplishing.
4. like any one described dredge pump double speed gear intelligent control system in the claim 1 to 3, it is characterized in that,
Said gearshift mechanism comprises that the swinging arm, that a shifting fork bar, the said shifting fork bar of a drive rotate together promotes a gear shifting cylinder and the location cylinder that said swinging arm rotates; The side that said swinging arm is relative with this positioning cylinder is provided with the piston rod that supplies positioning cylinder and inserts top gear locking aperture, bottom gear locking aperture and the neutral gear locking aperture of location;
Said gearshift Detecting element comprises the magnetic switch that is arranged on the said gear shifting cylinder and is arranged on the magnetic switch on the said positioning cylinder; The solenoid directional control valve of solenoid directional control valve that said gearshift mechanism electric controling element comprises the pressurized air flow direction that is used to control said gear shifting cylinder and the pressurized air flow direction that is used to control said positioning cylinder.
5. dredge pump double speed gear intelligent control system as claimed in claim 3 is characterized in that,
Described gear-box also comprises a shift disk mechanism of car, and said shift disk mechanism of car comprises jiggering motor, speed reducer, jiggering gear pair and jiggering clutch; The clutch end of said jiggering motor is connected with the input end of said speed reducer; The output terminal of this speed reducer is connected with the initiative part of said jiggering clutch through said jiggering gear pair, and the follower of this jiggering clutch is connected with the power input shaft of said gear-box;
Said master controller also comprises a gear shift Fault Identification and a processing unit, and this gear shift Fault Identification and processing unit are used for the gear shift fault is discerned and handled, occur the gear shift fault and can't be by oneself after send the gear shift failure alarm signal.
6. dredge pump double speed gear intelligent control system as claimed in claim 5 is characterized in that,
Said gear shift Fault Identification and processing unit comprise:
Top gear gear shift Fault Identification and processing subelement comprise first signal acquisition part, the first identification processing division, the first loop control portion, the first normal state carry-out part and the first malfunction alarm carry-out part; First signal acquisition part is used to gather the testing signal of gearshift Detecting element; The first identification processing division is used for after the top gear gear-change operation is through a Preset Time; Judge according to the testing signal that receives from the gearshift Detecting element whether gear shift is successful, if success is then through first normal state carry-out part output top gear state signal, as if unsuccessful; Then carry out the Fault Identification switch to neutral gear earlier, to switch to top gear by the neutral gear gear shift again and handle operation; That is: the said neutral gear gear shift control sub unit of instruction is carried out the neutral gear gear-change operation earlier, after the neutral gear gear-change operation is through a Preset Time, judges according to the testing signal that signal acquisition part is gathered from the gearshift detection unit whether this neutral gear gear shift is successful; Then send a top gear gear shift failure alarm signal if get nowhere through the first malfunction alarm carry-out part; If judge this neutral gear gear shift success, then the said barring mechanism of instruction carries out jiggering earlier, instructs said top gear gear shift control sub unit to carry out the top gear gear-change operation then; The said first loop control portion judges according to the testing signal that signal acquisition part receives from the gearshift Detecting element whether the top gear gear shift is successful after the top gear gear-change operation is through a Preset Time; If it is unsuccessful; Then instruct the said first identification processing division to carry out once more and switch to neutral gear earlier; Switch to the Fault Identification processing operation of top gear again by the neutral gear gear shift; Triplicate judges still that like the first loop control portion top gear gear shift is unsuccessful, then sends top gear gear shift failure alarm signal through the said first malfunction alarm carry-out part;
Bottom gear gear shift Fault Identification and processing subelement comprise secondary signal collection portion, the second identification processing division, the second loop control portion, the second normal state carry-out part and the second malfunction alarm carry-out part; Secondary signal collection portion is used to gather the testing signal of gearshift Detecting element; The second identification processing division is used for after the bottom gear gear-change operation is through a Preset Time; Judge according to the testing signal that receives from the gearshift Detecting element whether gear shift is successful, if success is then through second normal state carry-out part output bottom gear state signal, as if unsuccessful; Then carry out the Fault Identification switch to neutral gear earlier, to switch to bottom gear by the neutral gear gear shift again and handle operation; That is: the said neutral gear gear shift control sub unit of instruction is carried out the neutral gear gear-change operation earlier, after the neutral gear gear-change operation is through a Preset Time, judges according to the testing signal that signal acquisition part is gathered from the gearshift Detecting element whether this neutral gear gear shift is successful; Then send a bottom gear gear shift failure alarm signal if get nowhere through the second malfunction alarm carry-out part; If judge this neutral gear gear shift success, then the said barring mechanism of instruction carries out jiggering earlier, instructs said bottom gear gear shift control sub unit to carry out the bottom gear gear-change operation then; The said second loop control portion judges according to the testing signal that signal acquisition part receives from the gearshift Detecting element whether the bottom gear gear shift is successful after the bottom gear gear-change operation is through a Preset Time; If it is unsuccessful; The Fault Identification that then instruct the said second identification processing division to carry out once more to switch to earlier neutral gear, switches to bottom gear by the neutral gear gear shift is again handled operation; Triplicate; Still judge that like the second loop control portion bottom gear gear shift is unsuccessful, then send bottom gear gear shift failure alarm signal through the said second malfunction alarm carry-out part;
Neutral gear gear shift Fault Identification and processing subelement comprise the 3rd signal acquisition part, the 3rd identification processing division, the 3rd normal state carry-out part and the 3rd malfunction alarm carry-out part; The 3rd signal acquisition part is used to gather the testing signal of gearshift Detecting element; The 3rd identification processing division is used for after the neutral gear gear-change operation is through a Preset Time; Judge according to the testing signal that receives from the gearshift Detecting element whether gear shift is successful; If success then through the 3rd normal state carry-out part output neutral state signal, is then sent a neutral gear gear shift failure alarm signal through the 3rd malfunction alarm carry-out part as if unsuccessful.
7. dredge pump double speed gear intelligent control system as claimed in claim 5 is characterized in that, this dredge pump double speed gear intelligent control system also comprises the pressure switch of the lubricating oil pressure that is used to detect this gear-box;
Said master controller comprises that also a pressure state judgement unit, a dredge pump clutch state processing unit and are used for the magnetic clutch control unit of jointing state of magnetic clutch of the shift disk mechanism of car of control gear case; Said pressure state judgement unit is used to receive the output signal of said pressure switch and differentiate; If do not receive the lubricant oil low pressure alarming signal of said pressure switch output, then send a pressure state and meet signal to said main control unit; Said main control unit is in disengaged condition at the magnetic clutch of said magnetic clutch control unit control shift disk mechanism of car; And this main control unit receives said pressure state and meets 1 o'clock in signal and dredge pump double speed gear top gear gear shift finishing stage signal or the bottom gear gear shift finishing stage signal, controls said dredge pump clutch state processing unit and exports dredge pump clutch permission signal to said dredge pump clutch electric control system.
8. dredge pump double speed gear intelligent control system as claimed in claim 2; It is characterized in that this dredge pump double speed gear control system comprises that also the thermal switch of the lubricating oil temperature that is used for detecting this dredge pump double speed gear, the gas pressure switch and being used to that is used to detect the gas pressure of gas circuit detect the pressure reduction the warning device whether filter of dredge pump double speed gear oil system stops up;
Said master controller comprises that also the filter that the lubricating oil high-temp warning processing unit of the lubricating oil high-temp alarm signal that is used to receive said thermal switch output, the lowpressure warning processing unit and being used to that is used to receive the lowpressure alarm signal of said gas pressure switch output receive the obstruction alarm signal of said pressure reduction warning device output stops up the warning processing unit; Said lubricating oil high-temp warning processing unit, lowpressure warning processing unit and filter obstruction warning processing unit when receiving said high temperature alarm signal, lowpressure alarm signal and stopping up alarm signal, notify said output unit to send alarm signal through said main control unit respectively.
9. dredge pump double speed gear intelligent control system as claimed in claim 2 is characterized in that, also comprises a RS485 bus communication unit, said RS485 bus communication unit and said main control unit both-way communication.
10. the controlling method of a dredge pump double speed gear intelligent control system is characterized in that, may further comprise the steps:
Master controller is behind the shift command that receives user's input; The output signal of the electric control system that carries according to transfer input shaft speed sensors, OSS and dredge pump clutch; Judge whether power input shaft rotating speed and power output shaft speed are zero, and whether the jointing state of dredge pump clutch is disengaged condition;
If the power input shaft rotating speed of gear-box and power output shaft speed are zero; And the jointing state of dredge pump clutch is a disengaged condition; Then said master controller sends the gear shift control signal and gives the gearshift mechanism electric controling element, and the gearshift mechanism of controlling the dredge pump double speed gear through the gearshift mechanism electric controling element begins gear-change operation;
Carry out in the process of gear shift at said gearshift mechanism, said gearshift Detecting element detects the working position of gearshift mechanism, and sends testing signal to master controller; Master controller is implemented control according to preset sequence of movement program to said gearshift mechanism electric controling element according to said testing signal.
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| CN201110141426.5A CN102322516B (en) | 2011-05-27 | 2011-05-27 | Intelligent control system of double speed gearbox of dredge pump and control method thereof |
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| CN102322516B (en) | 2014-08-13 |
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Effective date of registration: 20151118 Address after: 201108 Shanghai city Minhang District Huaning Road No. 3111 Building 1 room 629 Patentee after: Shanghai shine Heavy Industry Co., Ltd. Address before: 201108 Shanghai city Minhang District Huaning Road No. 3111 Patentee before: The 711th Research Institute of China Shipbuilding Industrial Corporation(CSIC) |