CN102322516B - 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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- CN102322516B CN102322516B CN201110141426.5A CN201110141426A CN102322516B CN 102322516 B CN102322516 B CN 102322516B CN 201110141426 A CN201110141426 A CN 201110141426A CN 102322516 B CN102322516 B CN 102322516B
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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 gear box shifting control technique, relate in particular to trailing suction hopper dredger double speed gearbox of dredge pump intelligent control system and controlling method thereof.
Background technique
Trailing suction hopper dredger is a kind of submerged digging machinery, it sucks mud by being placed in the drag head of hull two topsides or afterbody, the mode of mud, limit navigation of inhaling with limit is carried out work, have that maneuverability, efficiency are high, anti-storm power strong, dig the dark feature such as large, be applicable in coastal port, broad river surface and the operation of boats and ships anchorage.
Dredge pump gear box is the important component part in dredger, after slowing down by it, and can be by 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 dredge pump machine can only be worked under a rotating speed.And in present stage, according to the needs of Practical Project, trailing suction hopper dredger requirement dredge pump gear box can be under the structural condition of single input shaft, single output shaft, there are two kinds of different output speeds, a kind of rotating speed is adapted to dredging operation, rotating speed is adapted to blow bricklayer's's condition, and two kinds of rotating speeds can freely switch.Therefore, be necessary to research and develop a kind of intelligent control system matching with double speed gearbox of dredge pump, to realize freely switching of two kinds of rotating speeds of double speed gearbox of dredge pump, thereby meet 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 double speed gearbox of dredge pump intelligent control system and controlling method thereof, for realizing, the gear shift of gear-box is controlled, to meet trailing suction hopper dredger, dredge, blow the demand of the different operating modes of mud to different rotating speeds, and can carry out fault identification and processing automatically.
Trailing suction hopper dredger double speed gearbox of dredge pump intelligent control system of the present invention, comprising:
Input shaft rotating speed sensor for detection of the power input shaft rotating speed of double speed gearbox of dredge pump;
OSS for detection of the power output shaft speed of double speed gearbox of dredge pump;
Gearshift Detecting element for detection of the gearshift of double speed gearbox of dredge pump;
For controlling the gearshift mechanism electric controling element of the gear-change operation of double speed gearbox of dredge pump gearshift mechanism;
Master controller, the signal input part of this master controller is electrically connected to the electric control system that described input shaft rotating speed sensor, OSS, gearshift Detecting element and dredge pump clutch carry, signal output part is electrically connected to the control signal input end of gearshift mechanism electric controling element, and the gearshift mechanism of controlling double speed gearbox of dredge pump by gearshift mechanism electric controling element carries out gear shift.
The controlling method of trailing suction hopper dredger double speed gearbox of dredge pump intelligent control system of the present invention, comprises the following steps:
Master controller is after receiving the shift command of user's input, the output signal of the electric control system carrying according to input shaft rotating speed sensor, 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 disengaged condition, master controller sends gear shift control signal to gearshift mechanism electric controling element, and the gearshift mechanism of controlling double speed gearbox of dredge pump by gearshift mechanism electric controling element starts gear-change operation;
At gearshift mechanism, carry out in the process of gear shift, gearshift Detecting element detects the working position of gearshift mechanism, and sends testing signal to master controller; Master controller is implemented to control according to default sequence of movement program swapping gear mechanism electric control unit according to testing signal.
The present invention has well adapted to the performance characteristic of trailing suction hopper dredger, and tool has the following advantages:
1) the present invention has realized the gear shift of double speed gearbox of dredge pump has been controlled, meet and dredge, blow the demand of the different operating modes of mud to different rotating speeds, in gearshift procedure, control system can be carried out logical operation to corresponding magnetic switch signal and other interlocking signal on each cylinder of double speed gearbox of dredge pump gearshift mechanism, according to logic operation result, carries out corresponding operation;
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 greatly operator's working strength;
3) adopt the design of PLC program modularity, both there is high reliability, easy to use again; The reciprocal interlocking of control signal, has avoided system damaged because of misoperation, has improved greatly the safety reliability of system;
4) the present invention has adopted independently RS485 bus communication unit, and noise immunity is good, has guaranteed the stability of control system signal transmission;
5) control system is equipped with double-power source, the Security that the system that guaranteed is used;
6) control system can on-site control, also can Remote, and convenient operation librarian use;
7) output of multi-signal indication, convenient operation personnel monitor in real time to equipment;
8) a whole set of control system is easy to use, has high stability, high reliability.
Accompanying drawing explanation
Fig. 1 is according to the theory diagram of the double speed gearbox of dredge pump intelligent control system of one embodiment of the present invention.
Fig. 2 is according to the principle schematic of the gear drive of the double speed gearbox of dredge pump of one embodiment of the present invention.
Fig. 3 is according to the principle schematic of the gearshift mechanism of the double speed gearbox of dredge pump of one embodiment of the present invention.
Fig. 4 is according to the connection diagram of the gearshift mechanism electric controling element of one embodiment of the present invention and gear shifting cylinder and positioning cylinder.
Fig. 5 is the gas circuit connection diagram according to one embodiment of the present invention.
Fig. 6 is according to the schematic diagram of the barring mechanism of one embodiment of the present invention.
Fig. 7 is the schematic flow sheet of automatically identifying and processing 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 being further described.
As shown in Figure 1, double speed gearbox of dredge pump intelligent control system of the present invention comprises: master controller 1, input shaft rotating speed sensor 21, OSS 22, gearshift Detecting element 24 and gearshift mechanism electric controling element 4.
Wherein, double speed gearbox of dredge pump comprises power input shaft, pto＝power take-off, gear drive, gearshift mechanism.Input shaft rotating speed sensor 21 is for detection of the power input shaft rotating speed of gear-box; OSS 22 is for detection of the power output shaft speed of gear-box; Dredge pump clutch connects boat diesel engine and double speed gearbox of dredge pump, preferably adopts dry multi-piece friction clutch; Gearshift Detecting element 24 is for detection of gearshift; Gearshift mechanism electric controling element 4 is for controlling the gear-change operation of double speed gearbox of dredge pump gearshift mechanism.The signal input part of master controller 1 is electrically connected to input shaft rotating speed sensor 21, OSS 22, the electric control system 23 being carried by dredge pump clutch and gearshift Detecting element 24, signal output part is electrically connected to the control signal input end of gearshift mechanism electric controling element 4, and the gearshift mechanism of controlling double speed gearbox of dredge pump by this gearshift mechanism electric controling element carries out gear shift.Master controller 1 preferably adopts 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 for receiving user's input instruction, and send this input instruction to main control unit 11.This input unit can be button, keyboard etc.Gear shift allows judgement unit 13 for receiving the output signal of input shaft rotating speed sensor 21 and OSS 22 and dredge pump clutch current state signal that dredge pump clutch electric control system 23 is sent and differentiating, if the rotating speed of the rotating speed of input shaft and output shaft is zero, and the jointing state of dredge pump clutch, for throwing off, is exported a permission shift signal to main control unit 11.Main control unit 11 is when receiving the shift command of user's input and the permission shift signal of gear shift permission judgement unit 13 outputs, 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 receiving from gearshift Detecting element 24, by gearshift mechanism electric controling element 4, control gearshift mechanism and carry out gear shift, after gear shift completes, to main control unit 11, send a gear shift finishing stage signal.For example, if user's input is top gear shift command, shift change controller 14 is after completing top gear gear shift, top gear state signal can be sent to main control unit 11, main control unit 11 can send to outside control apparatus by RS485 bus communication module by this top gear state signal.RS485 bus communication unit and main control unit 11 both-way communications.By RS485 bus communication unit independently, can be real-time the sending on ship in AMS alarm system of each input, the output status signal of control system of the present invention, convenient operation personnel grasp the status information of each equipment in real time.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 alarm signal, gear shift failure alarm signal, the gearshift signal (fast state signal, lower-speed state signal or neutral state signal) of gear-box and the mode of operation signal (on-site control state signal or Remote state signal) of gear-box.
Shift change controller 14 further comprises that subelement 141 is controlled in top gear gear shift, subelement 142 is controlled in bottom gear gear shift and subelement 143 is controlled in neutral gear gear shift.Top gear gear shift is controlled subelement 141 under main control unit 11 is controlled, according to the testing signal receiving from gearshift Detecting element 24, by gearshift mechanism electric controling element 4, control gearshift mechanism and switch to top gear, after top gear gear shift completes, to main control unit 11, send a top gear gear shift finishing stage signal.Bottom gear gear shift is controlled subelement 142 under the control of main control unit 11, according to the testing signal receiving from gearshift Detecting element 24, by gearshift mechanism electric controling element 4, control gearshift mechanism and switch to bottom gear, after bottom gear gear shift completes, to main control unit 11, send a bottom gear gear shift finishing stage signal.Neutral gear gear shift is controlled subelement 143 under the control of main control unit 11, according to the testing signal receiving from gearshift Detecting element 24, by gearshift mechanism electric controling element 4, control gearshift mechanism and switch to neutral gear, after neutral gear gear shift completes, to main control unit 11, send a neutral gear gear shift finishing stage signal.
Fig. 2 and Fig. 3 show respectively according to the principle schematic of the gear drive of the double speed gearbox of dredge pump of one embodiment of the present invention and gearshift mechanism.This double speed gearbox of dredge pump 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 drive gear pair 33, low gear secondary 34 and tooth clutch 35; Wherein: high-speed drive gear pair 33 comprises intermeshing high speed driving gear 33a and high speed driven gear 33b, low gear pair 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 are all arranged on the power input shaft 31 of gear-box by bearing, and high speed driven gear 33b and low speed driven gear 34b are arranged on the pto＝power take-off 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 pass through respectively bearing 36 and bearing 37 empty sets on power input shaft 31, 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 low-speed active gear 34a by spline pair.Tooth clutch 35 can left and right slippage on power input shaft 31 under the control of gearshift mechanism, optionally with high-speed drive gear pair or low gear is secondary engages, completes the operation of top gear, bottom gear and three gears of neutral gear.
In the mode of execution shown in Fig. 2, described tooth clutch 35 comprises shift slide portion 350 and is separately positioned on top gear spline pair and the bottom gear spline pair of these shift slide portion both sides.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, 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 is connected with the both sides of this shift slide portion 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 is connected 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 and the driven internal spline hub 354 of low speed are connected with high speed driving gear 33a and low-speed active gear 34a respectively.On the power input shaft between high speed driving gear 33a and low-speed active gear 34a, be provided with guiding spline, shift slide portion 350 is provided with the spline suitable with this guiding spline; The spline pair that tooth clutch 35 consists of above-mentioned guiding spline and spline is set on power input shaft 31.Tooth clutch 35 is by the slippage of shift slide portion 350, active external splines gear ring 351 is at a high speed meshed with the driven internal spline hub 353 of high speed of high speed driving gear side, realize splined, thereby can drive high speed driving gear 33a synchronously to rotate, or, low speed active external splines gear ring 352 is meshed with the driven internal spline hub 354 of low speed of low-speed active gear side, realizes splined, thereby can drive low-speed active gear 34a synchronously to rotate.
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 shift slide portion 350 is provided with stirs forced section 3501(referring to Fig. 2), the shift fork 3711 of shifting fork bar 371 one end is fastened in stirring on forced section of shift slide portion, stirs tooth clutch 35 left and right slippage on power input shaft 31.In one embodiment, this stirs forced section is the lug being arranged on shift slide portion 350 outer walls, and shift fork 3711 is fastened on this lug, thereby can stir tooth clutch 35, moves 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 comprised of two cylinders 3731,3732 that are coupled to each other back-to-back, wherein, that one end that the piston rod of cylinder 3731 stretches out in cylinder body is fixedly connected with the fixed base 3721 being arranged on swinging arm body, and that one end that the piston rod of cylinder 3732 stretches out in cylinder body is fixedly connected with the fixed base 3722 being arranged on gear case body.The other end of the swinging arm 372 relative with positioning cylinder 373 is provided with top gear locking aperture 3723, bottom gear locking aperture 3724 and the neutral gear locking aperture 3725 that inserts location for the piston rod of positioning cylinder 374.When gear-box 3 is during in top gear, bottom gear and neutral gear, the piston rod of positioning cylinder is right against respectively top gear locking aperture 3723, bottom gear locking aperture 3724 and neutral gear locking aperture 3725, thereby can extend in locking aperture, swinging arm cannot be rotated again, realize the locking of gear, avoided in work progress system because of misoperation or other is former thereby damaged.
Fig. 4 shows the annexation schematic diagram of gearshift mechanism electric controling element 4 and gear shifting cylinder, positioning cylinder.In this embodiment, gearshift mechanism electric controling element 4 comprise solenoid directional control valve 381 for the pressurized air flow direction of control cylinder 3731, for the solenoid directional control valve 382 of the pressurized air flow direction of control cylinder 3732 with for controlling 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 magnetic switch X1, X2 being arranged on cylinder 3731, is arranged on 2 magnetic switch X3, X4 on cylinder 3732 and is arranged on 2 magnetic switch X5, X6 on positioning cylinder 374.On the piston of above-mentioned cylinder, be equipped with magnetite, when piston is gone to certain position, magnetic switch can have nonmagneticly judge whether piston is walked to put in place by induction, and sends corresponding state signal.
Fig. 5 shows the gas circuit connection diagram according to one embodiment of the present invention.As shown in the figure, this gas circuit be provided with ball valve 51, pressure gauge 52, filtering pressure reducing valve 53, lubriator 54, safety valve 55, for detection of gas pressure switch 56, stop valve 57, the bleed valve 58 of the gas pressure of gas circuit.
In this embodiment, the gearshift procedure that gear-box 3 switches to top gear by neutral gear is as follows: user for example inputs, after high speed shift commands (pressing top gear button) by input unit 12, and main control unit 11 judges whether to allow judgement unit 13 to receive permission shift signal from gear shift.When if dredge pump throw-out-of clutch, output shaft rotating speed are zero and input shaft rotating speed is zero, main control unit 11 can allow judgement unit 13 to receive permission shift signal from gear shift, the electromagnetic coil Y5 that now main control unit 11 is controlled on subelement 141 control solenoid directional control valves 383 by top gear gear shift obtains electric, the A end air inlet of the positioning cylinder 374 being connected with solenoid directional control valve 383, the piston rod indentation of positioning cylinder 374, in neutral gear locking aperture 3725, exit, magnetic switch X5 disconnects, and removes locking gear level.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 and control subelement 141.The electromagnetic coil Y2 of 141 pairs of solenoid directional control valves 381 of subelement and the electromagnetic coil Y3 of solenoid directional control valve 382 power supply are controlled in top gear gear shift, the B end air inlet of the A end of the cylinder 3731 being connected with solenoid directional control valve 381 and the cylinder 3732 being connected with solenoid directional control valve 382, piston moves, promoting swinging arm 372 clockwise rotates, swinging arm drives shifting fork bar 371 to rotate, and shifting fork bar 371 drives shift slide portion 350 to be moved to the left along the guiding spline on power input shaft 31.When the piston of cylinder 3731 moves to the position of magnetic switch X1, when the piston of cylinder 3732 moves to the position of magnetic switch X4, the high speed of tooth clutch initiatively external splines gear ring 351 is meshed by spline pair with the driven internal spline hub 353 of high speed of high speed driving gear 33a side, and the moment of torsion of power input shaft 31 outputs is passed to high speed driving gear 33a.High-speed gear pair 33 work that are comprised of high speed driving gear 33a and high speed driven gear 33b, drive pto＝power take-off 32 rotations.Meanwhile, magnetic switch X1, X4 are closed, and send this closed state signal to top gear gear shift control subelement 141.The electromagnetic coil Y5 power-off that subelement 141 makes solenoid directional control valve 383 is controlled in top gear gear shift, the spool of solenoid directional control valve 383 moves, the B end air inlet of the positioning cylinder 374 being connected with solenoid directional control valve 383, piston stretches out, magnetic switch X6 disconnects, piston rod is extend in top gear locking aperture 3723, realize top gear position and lock, complete gear shift.Meanwhile, piston moves to the position of magnetic switch X5, and magnetic switch X5 is closed, and sends to top gear gear shift to control subelement 141 closed state signal.Now, magnetic switch X1, X4 and X5 are closed, all the other magnetic switches all disconnect, top gear gear shift is controlled subelement 141 and is sent a top gear gear shift finishing stage signal to main control unit 11, main control unit 11 can be sent this top gear gear shift finishing stage signal by RS485 communication module, for the control system of full ship.
The gearshift procedure that gear-box 3 switches to bottom gear by neutral gear is as follows: user for example inputs, after bottom gear shift commands (pressing bottom gear button) by input unit 12, and main control unit 11 judges whether to allow judgement unit 13 to receive permission shift signal from gear shift.When if dredge pump throw-out-of clutch, output shaft rotating speed are zero and input shaft rotating speed is zero, main control unit 11 can allow judgement unit 13 to receive permission shift signal from gear shift, the electromagnetic coil Y5 that now main control unit 11 is controlled on subelement 142 control solenoid directional control valves 383 by bottom gear gear shift obtains electric, the A end air inlet of the positioning cylinder 374 being connected with solenoid directional control valve 383, the piston rod indentation of positioning cylinder 374, in neutral gear locking aperture 3725, exit, magnetic switch X5 disconnects, and removes locking gear level.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 and control subelement 142.The electromagnetic coil Y1 of 142 pairs of solenoid directional control valves 381 of subelement and the electromagnetic coil Y4 of solenoid directional control valve 382 power supply are controlled in bottom gear gear shift, the A end air inlet of the B end of the cylinder 3731 being connected with solenoid directional control valve 381 and the cylinder 3732 being connected with solenoid directional control valve 382, piston moves, promoting swinging arm 372 rotates counterclockwise, swinging arm drives shifting fork bar 371 to rotate, and shifting fork bar 371 drives shift slide portion 350 to move right along the guiding spline on power input shaft 31.When the piston of cylinder 3731 moves to the position of magnetic switch X2, when the piston of cylinder 3732 moves to the position of magnetic switch X3, the low speed of tooth clutch initiatively external splines gear ring 352 is meshed by spline pair with the driven internal spline hub 354 of low speed of low-speed active gear 34a side, and the moment of torsion of power input shaft 31 outputs is passed to low-speed active gear 34a.The low speed gear subtask being comprised of low-speed active gear 34a and low speed driven gear 34b, drives pto＝power take-off 32 rotations.Meanwhile, magnetic switch X2, X3 are closed, and send this closed state signal to bottom gear gear shift control subelement 142.The electromagnetic coil Y5 power-off that subelement 142 makes solenoid directional control valve 383 is controlled in bottom gear gear shift, the spool of solenoid directional control valve 383 moves, the B end air inlet of the positioning cylinder 374 being connected with solenoid directional control valve 383, piston stretches out, magnetic switch X6 disconnects, piston rod is extend in bottom gear locking aperture 3724, realize bottom gear position and lock, complete gear shift.Meanwhile, piston moves to the position of magnetic switch X5, and magnetic switch X5 is closed, and sends to bottom gear gear shift to control subelement 142 closed state signal.Now, magnetic switch X2, X3 and X5 are closed, all the other magnetic switches all disconnect, bottom gear gear shift is controlled subelement 142 and is sent a bottom gear gear shift finishing stage signal to main control unit 11, main control unit 11 can be sent this bottom gear gear shift finishing stage signal by RS485 communication module, for the control system of full ship.
The gearshift procedure that gear-box 3 switches to neutral gear by top gear or bottom gear is as follows: user for example inputs, after neutral gear shift commands (pressing neutral gear button) by input unit 12, and main control unit 11 judges whether to allow judgement unit 13 to receive permission shift signal from gear shift.When if dredge pump throw-out-of clutch, output shaft rotating speed are zero and input shaft rotating speed is zero, main control unit 11 can allow judgement unit 13 to receive permission shift signal from gear shift, the electromagnetic coil Y5 that now main control unit 11 is controlled on subelement 143 control solenoid directional control valves 383 by neutral gear gear shift obtains electric, the A end air inlet of the positioning cylinder 374 being connected with solenoid directional control valve 383, the piston rod indentation of positioning cylinder 373, in neutral gear locking aperture 3725, exit, magnetic switch X5 disconnects, and removes locking gear level.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 and control subelement 143.The electromagnetic coil Y2 of 143 pairs of solenoid directional control valves 381 of subelement and the electromagnetic coil Y4 of solenoid directional control valve 382 power supply are controlled in neutral gear gear shift, the A end air inlet of the A end of the cylinder 3731 being connected with solenoid directional control valve 381 and the cylinder 3732 being connected with solenoid directional control valve 382, piston moves, promoting swinging arm 372 rotates, swinging arm drives shifting fork bar 371 to rotate, and shifting fork bar 371 drives shift slide portion 350 to move to the neutral position shown in Fig. 2 along the guiding spline on power input shaft 31.Tooth clutch and high speed driving gear 33a or low-speed active gear 34a throw off engagement, and 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 subelement 143.The electromagnetic coil Y5 power-off that subelement 143 makes solenoid directional control valve 383 is controlled in neutral gear gear shift, the spool of solenoid directional control valve 383 moves, the B end air inlet of the positioning cylinder 374 being connected with solenoid directional control valve 383, piston stretches out, magnetic switch X6 disconnects, piston rod is extend in neutral gear locking aperture 3725, realize neutral gear position and lock, complete gear shift.Meanwhile, piston moves to the position of magnetic switch X5, and magnetic switch X5 is closed, and sends to neutral gear gear shift to control subelement 143 closed state signal.Now, magnetic switch X1, X3 and X5 are closed, all the other magnetic switches all disconnect, neutral gear gear shift is controlled subelement 143 and is sent a neutral gear gear shift finishing stage signal to main control unit 11, main control unit 11 can be sent this neutral gear gear shift finishing stage signal by RS485 communication module, for the control system of full ship.
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, by large speed ratio, obtain the demand that lower output speed can meet dredging operation, by little speed ratio, obtain higher output speed and can meet the demand of blowing bricklayer's's condition, control system realizes freely switching of two kinds of rotating speeds by controlling the gear shifting cylinder of 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 realizing the smooth conversion of 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 by jiggering gear pair 93.This jiggering gear pair 93 is comprised of intermeshing two gears, one of them gear is arranged on the output shaft of speed reducer 92, another gear links together by the initiative part of bolt and jiggering clutch 94, and by bearing housing on the power input shaft of gear-box 3, the follower of magnetic clutch 94 is connected with the power input shaft of gear-box 3, and jiggering motor 91 and the speed reducer 92 of this shift disk mechanism of car are installed on the casing of gear-box.When gear shift fault appears in gear-box 3 in gearshift procedure, (for example there is supporting tooth phenomenon) 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 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 at a high speed, complete smoothly gearshift procedure.Have advantages of simple in structure, apply convenient, safe and reliable.
This double speed gearbox of dredge pump control system also comprises for detection of the pressure switch 26 of the lubricating oil pressure of this gear-box, the thermal switch 28 for detection of the lubricating oil temperature of this gear-box, the pressure reduction warning device 29 whether stopping up for detection of the filter in gear-box oil system.
Master controller 1 also comprises pressure state judgement unit 161, magnetic clutch control unit 162 for the jointing state of the magnetic clutch of the barring mechanism of control gear case, dredge pump clutch state processing unit 17, for receiving the lubricating oil high-temp warning processing unit 181 of the lubricating oil high-temp alarm signal of thermal switch 28 outputs, for receiving the filter of the obstruction alarm signal of pressure reduction warning device 29 outputs, stop up warning processing unit 182, lowpressure warning processing unit 183 and gear shift Fault Identification and the processing unit 19 of the lowpressure alarm signal of exporting for receiver gases pressure switch 56.
Pressure state judgement unit 161, for receiving the output signal of pressure switch 26 and differentiating, if do not receive the lubricant oil low pressure alarming signal of pressure switch 26 outputs, sends a pressure state to main control unit 11 and meets signal; Main control unit 11, is controlled dredge pump clutch state processing unit 17 output one dredge pump clutches and is engaged and allow signals to dredge pump clutch electric control system 23 at the magnetic clutch 94 of magnetic clutch control unit 162 control panel mechanism of car when disengaged condition and main control unit 11 receive pressure state and meet the one in signal and double speed gearbox of dredge pump top gear gear shift finishing stage signal or bottom gear gear shift finishing stage signal.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 by main control unit 11 notice output units 184 respectively; Can also each alarm signal be extended and be sent by main control unit 11 notice RS485 bus communication unit 15, for the control system of full ship.
Gear shift Fault Identification and processing unit 19 be for gear shift fault is identified and processed, occur gear shift fault and cannot be by oneself after time send gear shift failure alarm signal.When it is mainly unsuccessful for gear shift, by judging and taking certain treatment measures, be used for guaranteeing completing smoothly of gear box shifting, can reduce personnel's working strength.
The specific embodiment that Fig. 7 shows gear shift Fault Identification and processing unit 19 carries out Fault Identification and processing, its process is as follows:
User inputs neutral gear shift command (step S201), after 5 seconds, the state signal (step S202) of the magnetic switch X1-X6 that gear shift Fault Identification and processing unit 19 judgements receive, if correct neutral state signal, represent neutral gear gear shift success, gear shift Fault Identification and processing unit 19 are sent neutral state signal to output unit 184(step S203), otherwise gear shift Fault Identification and processing unit 19 are sent neutral gear gear shift failure alarm signal to output unit 184 (step S204);
User inputs bottom gear shift command or top gear shift command (step S301), after 5 seconds, the state signal (step S302) of the magnetic switch X1-X6 that gear shift Fault Identification and processing unit 19 judgements receive, if correct bottom gear or top gear state signal, represent gear shift success, gear shift Fault Identification and processing unit 19 are sent bottom gear or top gear state signal 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).Now, unsuccessful if neutral gear switches, 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, time delay is after 1 second, gear shift Fault Identification and processing unit 19 boot disk vehicle motor 91(step S306), after 2 seconds, engage magnetic clutch 94(step S307), after 2 seconds, magnetic clutch 94 is thrown off (step S308), the input shaft rotating speed signal that gear shift Fault Identification and processing unit 19 detect according to input shaft rotating speed sensor 21 judges, when gear shift Fault Identification and processing unit 19 think that input shaft rotating speed is zero, re-execute the operation (step S309) of bottom gear gear shift or top gear gear shift, after 5 seconds, the state signal of the magnetic switch that gear shift Fault Identification and processing unit 19 judgements receive, if correct bottom gear or top gear state signal, represent gear shift success, gear shift Fault Identification and processing unit 19 stop powering to jiggering motor, and export bottom gear or top gear state signal to output unit 184, otherwise, repeat above-mentioned conversion neutral gear order (step S304) 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), when gear shift Fault Identification and processing unit 19 still cannot detect correct state signal, gear shift Fault Identification and processing unit 19 are sent bottom gear gear shift failure alarm signal or top gear gear shift failure alarm signal to output unit 184.
Output unit 184 can send to external Out let 7 by aforesaid alarm signal, the gearshift signal (comprising above-mentioned gear shift failure alarm signal and bottom gear, top gear or neutral state signal) of gear-box, gear-box mode of operation signal (gear-box is on-site control or Remote), power input shaft tach signal, the power output shaft speed signal stopping up relevant for lowpressure, lubricating oil high-temp and filter, and the control system of full ship or other control system can need to obtain corresponding signal from external Out let 7 according to self.
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, identifying processing portion 1912, loop control portion 1914, normal state carry-out part 1915 and malfunction alarm carry-out part 1916.Signal acquisition part 1911 is for gathering the testing signal of gearshift Detecting element 24, identifying processing portion 1912 at top gear gear-change operation after a Preset Time, according to the testing signal receiving from gearshift Detecting element 24, judge that whether gear shift is successful, if successful by normal state carry-out part 1915 output top gear state signals, if unsuccessful, first carry out the operation that switches to neutral gear, carry out again the operation that is switched to top gear by neutral gear gear shift, that is: first instruction neutral gear gear shift is controlled subelement 143 and is carried out neutral gear gear-change operation, at neutral gear gear-change operation after a Preset Time, the testing signal gathering from gearshift Detecting element 24 according to signal acquisition part 1911 judges that whether this neutral gear gear shift is successful, if unsuccessful, by malfunction alarm carry-out part 1916, send a top gear gear shift failure alarm signal, if judge this neutral gear gear shift success, first instruction barring mechanism carries out jiggering, then the gear shift of instruction top gear is controlled subelement 141 and is carried out top gear gear-change operation, loop control portion 1914 is at top gear gear-change operation after a Preset Time, and the testing signal receiving from gearshift Detecting element 24 according to signal acquisition part 1911 judges that whether top gear gear shift is successful, if unsuccessful, instruction identifying processing portion 1912 carries out the operation that first switches to neutral gear, switched to top gear gear shift by neutral gear gear shift again again, in triplicate, as loop control portion 1914 still judges that top gear gear shift is unsuccessful, by malfunction alarm carry-out part 1916, send top gear gear shift failure alarm signal, otherwise, by 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, identifying processing portion 1922, loop control portion 1924, normal state carry-out part 1925 and malfunction alarm carry-out part 1926.Signal acquisition part 1921 is for gathering the testing signal of gearshift Detecting element 24, identifying processing portion 1922 at bottom gear gear-change operation after a Preset Time, according to the testing signal receiving from gearshift Detecting element 24, judge that whether gear shift is successful, if successful by normal state carry-out part 1925 output bottom gear state signals, if unsuccessful, first carry out the operation that switches to neutral gear, carry out again the operation that is switched to bottom gear by neutral gear gear shift, that is: first instruction neutral gear gear shift is controlled subelement 143 and is carried out neutral gear gear-change operation, at neutral gear gear-change operation after a Preset Time, the testing signal gathering from gearshift Detecting element 24 according to signal acquisition part 1921 judges that whether this neutral gear gear shift is successful, if unsuccessful, by malfunction alarm carry-out part 1926, send a bottom gear gear shift failure alarm signal, if judge this neutral gear gear shift success, first instruction barring mechanism carries out jiggering, then the gear shift of instruction bottom gear is controlled subelement 141 and is carried out bottom gear gear-change operation, loop control portion 1924 is at bottom gear gear-change operation after a Preset Time, and the testing signal receiving from gearshift Detecting element 24 according to signal acquisition part 1921 judges that whether bottom gear gear shift is successful, if unsuccessful, instruction identifying processing portion 1922 again carries out and first switches to neutral gear, by neutral gear gear shift, switched to again the operation of bottom gear gear shift, in triplicate, as loop control portion 1924 still judges that bottom gear gear shift is unsuccessful, by malfunction alarm carry-out part 1926, send bottom gear gear shift failure alarm signal, otherwise, by 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, identifying processing portion 1932, normal state carry-out part 1935 and malfunction alarm carry-out part 1936.Signal acquisition part 1931 is for gathering the testing signal of gearshift Detecting element 24, identifying processing portion 1932 at neutral gear gear-change operation after a Preset Time, according to the testing signal receiving from gearshift Detecting element 24, judge that whether gear shift is successful, if successful by normal state carry-out part 1935 output neutral state signals, if unsuccessful, by malfunction alarm carry-out part 1936, send a neutral gear gear shift failure alarm signal.
In one embodiment of the invention, for the power supply to this double speed gearbox of dredge pump control system power supply, comprise primary power supply 61, secondary power supply 62 and power change-over switch 63, power change-over switch 63, for switching between primary power supply 61 and secondary power supply 62, selects the one in primary power supply 61 and secondary power supply 62 to power to master controller.When power change-over switch 63 is during in " primary power supply " state, the DC24V power supply of control system is provided by 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, and 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, comprises the following steps:
Master controller is after receiving the shift command of user's input, the output signal of the electric control system carrying according to input shaft rotating speed sensor, 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 disengaged condition, master controller sends gear shift control signal to gearshift mechanism electric controling element, and the gearshift mechanism by gearshift mechanism electric controling element control gear case starts gear-change operation;
At gearshift mechanism, carry out in the process of gear shift, gearshift Detecting element detects the working position of gearshift mechanism, and sends testing signal to master controller; Master controller is implemented to control according to default sequence of movement program swapping gear mechanism electric control unit according to testing signal.
In one embodiment, above-mentioned gearshift mechanism comprises gear shifting cylinder and positioning cylinder, and gearshift Detecting element comprises the magnetic switch being arranged on gear shifting cylinder and is arranged on the magnetic switch on positioning cylinder; Gearshift mechanism electric control unit comprise for control gear shifting cylinder pressurized air flow direction solenoid directional control valve and for controlling the solenoid directional control valve of the pressurized air flow direction of positioning cylinder.
In the present invention, only at gear-box power input shaft rotating speed, be zero, power output shaft speed is zero and dredge pump throw-out-of clutch in the situation that, gear-box can allow gear shift, otherwise invalid, has avoided error signal to cause gear-box to touch the appearance of tooth phenomenon; When only completing (being that bottom gear or top gear complete), gear box lubricating oil pressure in gear shift and being greater than setting value and magnetic clutch and throwing off, control system just can be sent and allow to engage signal to dredge pump clutch, otherwise dredge pump clutch attonity, has avoided dredge pump clutch to close the damage that whole system is caused because of misconnection; Gear box lubricating oil hypotony, control system can be sent stop sign to diesel engine, the damage of having avoided lubricant oil deficiency to cause gear-box.
Claims (10)
1. a double speed gearbox of dredge pump intelligent control system, is characterized in that, comprising:
Input shaft rotating speed sensor for detection of the power input shaft rotating speed of double speed gearbox of dredge pump;
OSS for detection of the power output shaft speed of double speed gearbox of dredge pump;
Gearshift Detecting element for detection of the gearshift of double speed gearbox of dredge pump;
For controlling the gearshift mechanism electric controling element of the gear-change operation of double speed gearbox of dredge pump gearshift mechanism;
Master controller, the signal input part of described master controller is electrically connected to the electric control system that described input shaft rotating speed sensor, OSS, gearshift Detecting element and dredge pump clutch carry, the signal output part of described master controller is electrically connected to the control signal input end of gearshift mechanism electric controling element, and the gearshift mechanism of controlling double speed gearbox of dredge pump by described gearshift mechanism electric controling element carries out gear shift.
2. double speed gearbox of dredge pump intelligent control system as claimed in claim 1, is characterized in that,
Described master controller comprises that input unit, gear shift allow judgement unit, main control unit, shift change controller and output unit; Wherein:
Input unit, for receiving the shift command of user's input, and sends the shift command of this input to described main control unit;
Gear shift allows judgement unit, for receiving the output signal of input shaft rotating speed sensor and OSS and dredge pump clutch current state signal that dredge pump clutch electric control system is sent and differentiating, if the rotating speed of the rotating speed of input shaft and output shaft is zero, and the jointing state of dredge pump clutch, for throwing off, is exported a permission shift signal to described main control unit;
Main control unit, when receiving the shift command of user input and described permission shift signal, orders described shift change controller to carry out gear shift according to described shift command;
Shift change controller, under the control of described main control unit, according to the testing signal receiving from gearshift Detecting element, by described gearshift mechanism electric controling element, control described gearshift mechanism and carry out gear shift, after gear shift completes, to described main control unit, send a gear shift finishing stage signal;
Output unit is exported the operating state signal of described gear-box under the control of described main control unit.
3. double speed gearbox of dredge pump intelligent control system as claimed in claim 2, is characterized in that,
Described shift change controller further comprises:
Subelement is controlled in top gear gear shift, under the control of described main control unit, according to the testing signal receiving from gearshift Detecting element, controls described gearshift mechanism switch to top gear by described gearshift mechanism electric controling element; After top gear gear shift completes, to described main control unit, send a top gear gear shift finishing stage signal;
Subelement is controlled in bottom gear gear shift, under the control of described main control unit, according to the testing signal receiving from gearshift Detecting element, controls described gearshift mechanism switch to bottom gear by described gearshift mechanism electric controling element; After bottom gear gear shift completes, to described main control unit, send a bottom gear gear shift finishing stage signal;
Subelement is controlled in neutral gear gear shift, under the control of described main control unit, according to the testing signal receiving from gearshift Detecting element, controls described gearshift mechanism switch to neutral gear by described gearshift mechanism electric controling element; After neutral gear gear shift completes, to described main control unit, send a neutral gear gear shift finishing stage signal.
4. as the double speed gearbox of dredge pump intelligent control system as described in any one in claims 1 to 3, it is characterized in that,
Described gearshift mechanism comprises that the swinging arm, that a shifting fork bar, the described shifting fork bar of a drive rotate together promotes gear shifting cylinder and the positioning cylinder that described swinging arm rotates; The side that described swinging arm is relative with this positioning cylinder is provided with top gear locking aperture, bottom gear locking aperture and the neutral gear locking aperture that inserts location for the piston rod of positioning cylinder;
Described gearshift Detecting element comprises the magnetic switch being arranged on described gear shifting cylinder and is arranged on the magnetic switch on described positioning cylinder; Described gearshift mechanism electric controling element comprise for control described gear shifting cylinder pressurized air flow direction solenoid directional control valve and for controlling the solenoid directional control valve of the pressurized air flow direction of described positioning cylinder.
5. double speed gearbox of dredge pump intelligent control system as claimed in claim 3, is characterized in that,
Described gear-box also comprises a shift disk mechanism of car, and described shift disk mechanism of car comprises jiggering motor, speed reducer, jiggering gear pair and jiggering clutch; The clutch end of described jiggering motor is connected with the input end of described speed reducer, the output terminal of this speed reducer is connected with the initiative part of described jiggering clutch by described jiggering gear pair, and the follower of this jiggering clutch is connected with the power input shaft of described gear-box;
Described master controller also comprises gear shift Fault Identification and a processing unit, and this gear shift Fault Identification and processing unit, for gear shift fault is identified and processed, are occurring gear shift fault and cannot send afterwards by oneself gearshift failure alarm signal.
6. double speed gearbox of dredge pump intelligent control system as claimed in claim 5, is characterized in that,
Described gear shift Fault Identification and processing unit comprise:
Top gear gearshift Fault Identification and processing subelement, comprise first signal collection portion, the first identifying processing portion, the first loop control portion, the first normal state carry-out part and Fisrt fault warning carry-out part, first signal collection portion is for gathering the testing signal of gearshift Detecting element, the first identifying processing portion is used at top gear gear-change operation after a Preset Time, according to the testing signal receiving from gearshift Detecting element, judge that whether gear shift is successful, if successful by the first normal state carry-out part output top gear state signal, if unsuccessful, carry out and first switch to neutral gear, by neutral gear gear shift, switched to again the Fault Identification processing operation of top gear, that is: described in first instruction, neutral gear gear shift is controlled subelement and is carried out neutral gear gear-change operation, at neutral gear gear-change operation after a Preset Time, according to first signal collection portion, from the testing signal of gearshift detection unit collection, judge that whether this neutral gear gear shift is successful, if unsuccessful, by Fisrt fault warning carry-out part, send a top gear gear shift failure alarm signal, if judge this neutral gear gear shift success, described in first instruction, barring mechanism carries out jiggering, then described in instruction, top gear gear shift is controlled subelement and is carried out top gear gear-change operation, described the first loop control portion is at top gear gear-change operation after a Preset Time, and the testing signal receiving from gearshift Detecting element according to first signal collection portion judges that whether top gear gear shift is successful, if unsuccessful, described in instruction, the first identifying processing portion again carries out and first switches to neutral gear, by neutral gear gear shift, switched to again the Fault Identification processing operation of top gear, in triplicate, as the first loop control portion still judges that top gear gear shift is unsuccessful, by described Fisrt fault warning carry-out part, send top gear gear shift failure alarm signal,
Bottom gear gearshift Fault Identification and processing subelement, comprise secondary signal collection portion, the second identifying processing portion, 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 for gathering the testing signal of gearshift Detecting element, the second identifying processing portion is used at bottom gear gear-change operation after a Preset Time, according to the testing signal receiving from gearshift Detecting element, judge that whether gear shift is successful, if successful by the second normal state carry-out part output bottom gear state signal, if unsuccessful, carry out and first switch to neutral gear, by neutral gear gear shift, switched to again the Fault Identification processing operation of bottom gear, that is: described in first instruction, neutral gear gear shift is controlled subelement and is carried out neutral gear gear-change operation, at neutral gear gear-change operation after a Preset Time, according to secondary signal collection portion, from the testing signal of gearshift Detecting element collection, judge that whether this neutral gear gear shift is successful, if unsuccessful, by the second malfunction alarm carry-out part, send a bottom gear gear shift failure alarm signal, if judge this neutral gear gear shift success, described in first instruction, barring mechanism carries out jiggering, then described in instruction, bottom gear gear shift is controlled subelement and is carried out bottom gear gear-change operation, described the second loop control portion is at bottom gear gear-change operation after a Preset Time, and the testing signal receiving from gearshift Detecting element according to secondary signal collection portion judges that whether bottom gear gear shift is successful, if unsuccessful, described in instruction, the second identifying processing portion again carries out and first switches to neutral gear, by neutral gear gear shift, switched to again the Fault Identification processing operation of bottom gear, in triplicate, as the second loop control portion still judges that bottom gear gear shift is unsuccessful, by described the second malfunction alarm carry-out part, send bottom gear gear shift failure alarm signal,
Neutral gear gearshift Fault Identification and processing subelement, comprise the 3rd signal acquisition part, the 3rd identifying processing portion, the 3rd normal state carry-out part and the 3rd malfunction alarm carry-out part; The 3rd signal acquisition part is for gathering the testing signal of gearshift Detecting element, the 3rd identifying processing portion is used at neutral gear gear-change operation after a Preset Time, the testing signal receiving from gearshift Detecting element according to the 3rd signal acquisition part judges that whether gear shift is successful, if successful by the 3rd normal state carry-out part output neutral state signal, if unsuccessful, by the 3rd malfunction alarm carry-out part, send a neutral gear gear shift failure alarm signal.
7. double speed gearbox of dredge pump intelligent control system as claimed in claim 5, is characterized in that, this double speed gearbox of dredge pump intelligent control system also comprises the pressure switch for detection of the lubricating oil pressure of this gear-box;
Described master controller also comprises that a pressure state judgement unit, a dredge pump clutch state processing unit and one are for controlling the magnetic clutch control unit of jointing state of magnetic clutch of the shift disk mechanism of car of described gear-box, described pressure state judgement unit is for receiving the output signal of described pressure switch and differentiating, if do not receive the lubricant oil low pressure alarming signal of described pressure switch output, send a pressure state to described main control unit and meet signal; Described main control unit at the magnetic clutch of described magnetic clutch control unit control panel mechanism of car in disengaged condition, and this main control unit receive described pressure state meet signal and receive double speed gearbox of dredge pump top gear gear shift finishing stage signal or bottom gear gear shift finishing stage signal in one time, control described dredge pump clutch state processing unit and export a dredge pump clutch and engage to allow signal to described dredge pump clutch electric control system.
8. double speed gearbox of dredge pump intelligent control system as claimed in claim 2, it is characterized in that, this double speed gearbox of dredge pump control system also comprises thermal switch for detection of the lubricating oil temperature of this double speed gearbox of dredge pump, for detection of the gas pressure switch of the gas pressure of gas circuit and the pressure reduction warning device whether stopping up for detection of the filter in double speed gearbox of dredge pump oil system;
Described master controller also comprise lubricating oil high-temp warning processing unit for receiving the lubricating oil high-temp alarm signal of described thermal switch output, for receive described gas pressure switch output lowpressure alarm signal lowpressure warning processing unit and for receiving the filter of the obstruction alarm signal of described pressure reduction warning device output, stop up warning processing unit; Described lubricating oil high-temp warning processing unit, lowpressure warning processing unit and filter obstruction warning processing unit when receiving described high temperature alarm signal, lowpressure alarm signal and stopping up alarm signal, notify described output unit to send alarm signal by described main control unit respectively.
9. double speed gearbox of dredge pump intelligent control system as claimed in claim 2, is characterized in that, also comprises a RS485 bus communication unit, described RS485 bus communication unit and described main control unit both-way communication.
10. a controlling method for double speed gearbox of dredge pump intelligent control system, is characterized in that, comprises the following steps:
Master controller is after receiving the shift command of user's input, the output signal of the electric control system carrying according to input shaft rotating speed sensor, 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 described gear-box and power output shaft speed are zero, and the jointing state of dredge pump clutch is disengaged condition, described master controller sends gear shift control signal to gearshift mechanism electric controling element, and the gearshift mechanism of controlling double speed gearbox of dredge pump by gearshift mechanism electric controling element starts gear-change operation;
At described gearshift mechanism, carry out in the process of gear shift, gearshift Detecting element detects the working position of gearshift mechanism, and sends testing signal to master controller; Master controller is implemented to control to described gearshift mechanism electric controling element according to default sequence of movement program according to described testing signal.
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| CN102830267B (en) * | 2012-09-07 | 2014-09-03 | 高精科技(苏州)有限公司 | Gearbox current measuring device |
| CN104154219B (en) * | 2014-07-14 | 2018-01-09 | 中联重科股份有限公司 | Divide distribution box operation monitoring system and vehicle |
| CN104881024B (en) * | 2015-06-12 | 2017-09-26 | 浙江嘉蓝海洋电子有限公司 | Manual and remote control and control method peculiar to vessel |
| CN110848382A (en) * | 2019-11-25 | 2020-02-28 | 三一重机有限公司 | Gear shifting protection system and method for gearbox and construction vehicle |
| CN114754115A (en) * | 2022-05-12 | 2022-07-15 | 中国煤炭科工集团太原研究院有限公司 | Power switch box with pneumatic auxiliary turning device for dual power vehicle |
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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) |