CN204878640U - Special type vehicle gearbox main shaft axle journal wearing and tearing skew suggestion device - Google Patents
Special type vehicle gearbox main shaft axle journal wearing and tearing skew suggestion device Download PDFInfo
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- CN204878640U CN204878640U CN201520565717.0U CN201520565717U CN204878640U CN 204878640 U CN204878640 U CN 204878640U CN 201520565717 U CN201520565717 U CN 201520565717U CN 204878640 U CN204878640 U CN 204878640U
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Abstract
The utility model discloses a special type vehicle gearbox main shaft axle journal wearing and tearing skew suggestion device, this device adopts six to normally open each clutch oil pressure of pressure switch monitoring gearbox, six relay coil connect respectively between each grade signal output part and ground connection of gearbox control module, the alarm indicator of each gear, relay normally closed contact, normally open and connect between ignition switch and the ground connection after pressure switch concatenates, the ignition switch is connected to alarm buzzer one end, six diode anode are connected respectively to the other end, the alarm indicator one end of each gear is connected respectively to the negative pole of six diodes, it is anodal that the vehicle mounted power is connected to the ignition switch other end. The oil pressure condition of gearbox clutch piston is indicateed in advance to this device, according to the appearance of oil pressure with the actual improper oil pressure of gear judge, indirectly concludes main shaft axle journal wearing and tearing skew, prevents that the trouble from enlarging, reduces repair cost, ensure the vehicle safe, normally travel.
Description
Technical field
The utility model relates to a kind of special vehicle transmission main shaft journal wear offset hints device.
Background technique
The special vehicle of current use, the chassis of particularly steel mill's transport, what its drive system adopted is hydraulic transmission system, gearbox is automatic speed changing, rely on the action of solenoid valve, the clutch of hydraulic drive transmission internal combines and is separated, thus reaches the object of speed change.What have a kind of gearbox to adopt is that advance fourth gear and retrogressing fourth gear add neutral gear, totally nine gears, controlled by six solenoid valves, wherein two is advance, retreat shelves, four be one grade, second gear, third gear and 4 grades, during neutral gear, all solenoid valves all not electric, six hydraulic couplinges are in separated state, and gearbox dallies, not outputting power; During forward-reverse, vehicle action must will have one to obtain electric by direction solenoid valve, and four gear solenoid valves also will have one to obtain electric, and gear solenoid valve forbids that the solenoid valve of appearance more than two obtains electric, and this is controlled by Transmission Control Module.Vehicle speed signal is fed back to Transmission Control Module by TSS Transmission Speed Sensor, just can realize automatic speed changing according to the speed of a motor vehicle.Gearbox each electromagnetic valve work state is as shown in the table:
But in actual use, the mechanical part of gearbox weares and teares, main shaft axle journal counterbore is caused to wear and tear after transmission main shaft bearing wear, it is modal phenomenon that main shaft produces skew, because the fluid entering speed change clutch is by the oilhole on main shaft axle journal to clutch plunger supply hydraulic fluid, an axle there are two clutches, after the wearing and tearing of main shaft axle journal counterbore, oil ring excesssive gap, the hydraulic oil intercommunication between prevention axle two clutches cannot be closed, such gearbox friction plate should not in conjunction with combination, cause the appearance of slight occlusion, make the abnormal rising of hydraulic oil oil temperature, snap-in force is larger, oil temperature rises also faster, when hydraulic oil cannot meet the intensification of clutch friction plate, clutch friction plate will be killed in ablation, cause gearbox badly damaged, even scrap.
This gearbox has three main shafts, and forward clutch and one grade of clutch share a main shaft, and back clutch and second gear clutch share a main shaft, and third gear clutch and fourth gear clutch share a main shaft.After such main shaft journal wear, forward clutch and one grade of clutch fluid force feed are easily altered mutually, and Reversing Clutch and second gear clutch fluid force feed are easily altered mutually, and third gear clutch and fourth gear clutch fluid force feed are easily altered mutually; When vehicle carries out large repairs maintenance, in the gearbox that different vehicle is pulled down, any one clutch friction plate has the vestige of ablation, and this adds spare part and the cost of labor of overhaul virtually.
At present, this gearbox to the monitoring of each clutch plunger oil pressure, also just cannot not predict the operating mode of gearbox, causing trouble expand, improve maintenance cost, affect vehicle safe, normally travel.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of special vehicle transmission main shaft journal wear offset hints device, the oil pressure condition of this device pre-tip speed change box clutch piston, the appearance of improper oil pressure is judged according to oil pressure and actual gear stages, indirectly conclude that main shaft journal wear offsets, prevent failure propagation, reduce repair cost, guarantee vehicle safe, normally travel.
For solving the problems of the technologies described above, the utility model special vehicle transmission main shaft journal wear offset hints device comprises Transmission Control Module, ignition switch, vehicle power, alarm buzzer, first to the 6th alarm indicator lamp, first to the 6th diode, first to the 6th relay, first often opens pressure switch to the 6th, and the described first to the 6th relay is respectively with normally-closed contact, and described first to the 6th often opens pressure switch monitors forward gear clutch oil pressure respectively, retreat shelves clutch pressure, one grade of clutch pressure, second gear clutch pressure, third gear clutch pressure and fourth gear clutch pressure, described first relay coil one end connects the forward gears signal output part of described Transmission Control Module, the other end ground connection, described second relay coil one end connects the retrogressing shelves signal output part of described Transmission Control Module, the other end ground connection, described 3rd relay coil one end connects one grade of signal output part of described Transmission Control Module, the other end ground connection, described 4th relay coil one end connects the second gear signal output part of described Transmission Control Module, the other end ground connection, described 5th relay coil one end connects the third gear signal output part of described Transmission Control Module, the other end ground connection, described 6th relay coil one end connects the fourth gear signal output part of described Transmission Control Module, the other end ground connection, described first tutorial light, first relay normally-closed contact, first often opens pressure switch is connected in series rear one end ground connection successively, the other end connects described vehicle power positive pole through described ignition switch, described second tutorial light, second relay normally-closed contact, second often opens pressure switch is connected in series rear one end ground connection successively, the other end connects described vehicle power positive pole through described ignition switch, described 3rd tutorial light, 3rd relay normally-closed contact, 3rd often opens pressure switch is connected in series rear one end ground connection successively, the other end connects described vehicle power positive pole through described ignition switch, described 4th tutorial light, 4th relay normally-closed contact, 4th often opens pressure switch is connected in series rear one end ground connection successively, the other end connects described vehicle power positive pole through described ignition switch, described 5th tutorial light, 5th relay normally-closed contact, 5 constant virtues is opened pressure switch and is connected in series rear one end ground connection successively, the other end connects described vehicle power positive pole through described ignition switch, described 6th tutorial light, 6th relay normally-closed contact, 6th often opens pressure switch is connected in series rear one end ground connection successively, the other end connects described vehicle power positive pole through described ignition switch, and described alarm buzzer one end connects described vehicle power positive pole through described ignition switch, the other end connects the anode of the described first to the 6th diode respectively, the negative electrode of described first diode connects between described first tutorial light and the first relay normally-closed contact, the negative electrode of described second diode connects between described second tutorial light and the second relay normally-closed contact, the negative electrode of described 3rd diode connects between described 3rd tutorial light and the 3rd relay normally-closed contact, the negative electrode of described 4th diode connects between described 4th tutorial light and the 4th relay normally-closed contact, the negative electrode of described 5th diode connects between described 5th tutorial light and the 5th relay normally-closed contact, and the negative electrode of described 6th diode connects between described 6th tutorial light and the 6th relay normally-closed contact.
Further, described vehicle power is direct current 24V storage battery.
Because the utility model special vehicle transmission main shaft journal wear offset hints device have employed technique scheme, namely this device adopts six often to open each clutch pressure of pressure switch monitoring gearbox, six relay coils connect between each shelves signal output part of Transmission Control Module and ground connection respectively, the alarm indicator lamp of each gear, relay normally-closed contact, connect after often opening pressure switch serial connection between ignition switch and ground connection, alarm buzzer one end connects ignition switch, the other end connects six diode anodes respectively, the negative electrode of six diodes connects alarm indicator lamp one end of each gear respectively, the ignition switch the other end connects vehicle power positive pole.The oil pressure condition of this device pre-tip speed change box clutch piston, judge the appearance of improper oil pressure according to oil pressure and actual gear stages, indirectly conclude that main shaft journal wear offsets, prevent failure propagation, reduce repair cost, guarantee vehicle safe, normally travel.
Accompanying drawing explanation
Below in conjunction with drawings and embodiments, the utility model is described in further detail:
Fig. 1 is the utility model special vehicle transmission main shaft journal wear offset hints device schematic diagram.
Embodiment
As shown in Figure 1, the utility model special vehicle transmission main shaft journal wear offset hints device comprises Transmission Control Module B40 to embodiment, ignition switch SI, vehicle power DC, alarm buzzer H0, first to the 6th alarm indicator lamp, first to the 6th diode, first to the 6th relay, first often opens pressure switch to the 6th, and the described first to the 6th relay is respectively with normally-closed contact, and described first to the 6th often opens pressure switch monitors forward gear clutch oil pressure respectively, retreat shelves clutch pressure, one grade of clutch pressure, second gear clutch pressure, third gear clutch pressure and fourth gear clutch pressure, described first relay K F coil one end connects the forward gears signal output part F of described Transmission Control Module B40, the other end ground connection, described second relay KR coil one end connects the retrogressing shelves signal output part R of described Transmission Control Module B40, the other end ground connection, described 3rd relay K 1 coil one end connects one grade of signal output part 1 of described Transmission Control Module B40, the other end ground connection, described 4th relay K 2 coil one end connects the second gear signal output part 2 of described Transmission Control Module B40, the other end ground connection, described 5th relay K 3 coil one end connects the third gear signal output part 3 of described Transmission Control Module B40, the other end ground connection, described 6th relay K 4 coil one end connects the fourth gear signal output part 4 of described Transmission Control Module B40, the other end ground connection, described first tutorial light HF, first relay normally-closed contact KF1, first often opens pressure switch SF is connected in series rear one end ground connection successively, the other end connects described vehicle power DC positive pole through described ignition switch SI, described second tutorial light HR, second relay normally-closed contact KR1, second often opens pressure switch SR is connected in series rear one end ground connection successively, the other end connects described vehicle power DC positive pole through described ignition switch SI, described 3rd tutorial light H1, 3rd relay normally-closed contact K11, 3rd often opens pressure switch S1 is connected in series rear one end ground connection successively, the other end connects described vehicle power DC positive pole through described ignition switch SI, described 4th tutorial light H2, 4th relay normally-closed contact K21, 4th often opens pressure switch S2 is connected in series rear one end ground connection successively, the other end connects described vehicle power DC positive pole through described ignition switch SI, described 5th tutorial light H3, 5th relay normally-closed contact K31, 5 constant virtues is opened pressure switch S3 and is connected in series rear one end ground connection successively, the other end connects described vehicle power DC positive pole through described ignition switch SI, described 6th tutorial light H4, 6th relay normally-closed contact K41, 6th often opens pressure switch S4 is connected in series rear one end ground connection successively, the other end connects described vehicle power DC positive pole through described ignition switch SI, and described alarm buzzer H0 one end connects described vehicle power DC positive pole through described ignition switch SI, the other end connects the anode of the described first to the 6th diode respectively, the negative electrode of described first diode VF connects between described first tutorial light HF and the first relay normally-closed contact KF1, the negative electrode of described second diode VR connects between described second tutorial light HR and the second relay normally-closed contact KR1, the negative electrode of described 3rd diode V1 connects between described 3rd tutorial light H1 and the 3rd relay normally-closed contact K11, the negative electrode of described 4th diode V2 connects between described 4th tutorial light H2 and the 4th relay normally-closed contact K21, the negative electrode of described 5th diode V3 connects between described 5th tutorial light H3 and the 5th relay normally-closed contact K31, and the negative electrode of described 6th diode V4 connects between described 6th tutorial light H4 and the 6th relay normally-closed contact K41.
Further, described vehicle power DC is direct current 24V storage battery.
The components and parts such as the relay of this device and diode are installed in the main electric box of special vehicle, and bridge instrumentation dish installs additional buzzer and tutorial light; The auxiliary hole of gearbox bonnet is installed and often opens pressure switch, circuit is guided in electric box.This apparatus structure is simple, and respond well, driver can recognize the operating mode of gearbox in time, thus takes measures, and prevents the fault of gearbox from further expanding, and decreases the working strength of repairing and the cost of maintenance and repair parts.
Respectively often open each oil duct auxiliary hole place that pressure switch is installed on gearbox bonnet, oil duct is silently taken out, install and often open pressure switch, whether consistent with actual demand for the oil pressure of monitoring each clutch plunger of gearbox, and combine with electric control system.
The type selecting often opening pressure switch is withstand voltage 30bar, exceed the 50% just passable of gearbox main oil pressure, use normally opened contact, pressure is greater than 1.0bar action make contact, because the back pressure of gearbox is 0.5bar, clutch operating oil pressure is 19bar, and therefore 1.0bar operating pressure can ensure the sensitivity of monitoring, also prevent false alarm.
The working principle of this device illustrates:
Open key operation, vehicle enters mode of operation, engine start rear transmission gear box is in neutral mode, all gear solenoid valves all must not be electric, therefore six are often opened accordingly pressure switch due to gear clutch and are not had oil pressure to be in off state, therefore alarm buzzer flows through owing to not having electric current, also would not report to the police.
In normal state, after selector lever is in forward position, Transmission Control Module sends advance one grade of instruction, Transmission Control Module output terminal F and output terminal 1 export 24V voltage, gearbox forward gears and one grade first and the 3rd solenoid valve obtain electric, high pressure liquid force feed enters forward gears and one grade of clutch plunger, clutch combines, gearbox is with one grade of mode activated, and now relay K F and K1 obtains electric, and normally-closed contact disconnects; The pressure switch SF and S1 that often opens of forward gears and one grade of clutch closes, because the normally-closed contact of relay K F and K1 disconnects, just cut off alarm buzzer and be used to indicate forward gears, the first tutorial light HF of one grade of oil pressure leakage alarm and the current loop of the 3rd tutorial light H1, therefore alarm buzzer and warning light are not all reported to the police and do not lighted yet.
In like manner, when the speed of a motor vehicle arrives two grades of speed of a motor vehicle, power-off wanted by one grade of solenoid valve, second gear solenoid valve will obtain electric, Transmission Control Module sends the instruction of advance second gear, Transmission Control Module output terminal F and output terminal 2 export 24V voltage, gearbox forward gears and second gear first and the 4th solenoid valve obtain electric, hydraulic oil enters forward gears and second gear clutch plunger, clutch combine, gearbox with second gear mode activated, now because Transmission Control Module output terminal F and output terminal 2 export 24V voltage, relay K F and K2 obtains electric, and normally-closed contact disconnects; The pressure switch SF and S2 that often opens of forward gears and second gear clutch closes, because relay K F and K2 normally-closed contact disconnect, just cut off alarm buzzer and forward gears, the first tutorial light HF of second gear oil pressure leakage alarm instruction and the current loop of the 4th tutorial light H2, therefore alarm buzzer and warning light are not all reported to the police and are not lighted yet.
In like manner, when the speed of a motor vehicle arrives third speed, power-off wanted by second gear solenoid valve, third gear solenoid valve will obtain electric, Transmission Control Module sends the instruction of advance third gear, Transmission Control Module output terminal F and output terminal 3 export 24V voltage, gearbox forward gears and third gear solenoid valve obtain electric, hydraulic oil enters forward gears and third gear clutch plunger, clutch combine, gearbox with third gear mode activated, now because Transmission Control Module output terminal F and output terminal 3 export 24V voltage, relay K F and K3 obtains electric, and normally-closed contact disconnects; The pressure switch SF and S3 that often opens of forward gears and third gear clutch closes, because relay K F and K3 normally-closed contact disconnect, just cut off alarm buzzer and forward gears, the first tutorial light HF of third gear oil pressure leakage alarm instruction and the current loop of the 5th tutorial light H3, therefore alarm buzzer and warning light are not all reported to the police and are not lighted yet.
In like manner, when the speed of a motor vehicle arrives the fourth gear speed of a motor vehicle, power-off wanted by third gear solenoid valve, fourth gear solenoid valve will obtain electric, Transmission Control Module sends the instruction of advance fourth gear, Transmission Control Module output terminal F and output terminal 4 export 24V voltage, gearbox forward gears and fourth gear solenoid valve obtain electric, hydraulic oil enters forward gears and fourth gear clutch plunger, clutch combine, gearbox with fourth gear mode activated, now because Transmission Control Module output terminal F and output terminal 4 export 24V voltage, relay K F and K4 obtains electric, and normally-closed contact disconnects; The pressure switch SF and S4 that often opens of forward gears and third gear clutch closes, because relay K F and K4 normally-closed contact disconnect, just cut off alarm buzzer and forward gears, the tutorial light HF of fourth gear oil pressure leakage alarm instruction and the current loop of tutorial light H4, therefore alarm buzzer and warning light are not all reported to the police and are not lighted yet.
In like manner, retreat shelves identical with forward gears, just advance solenoid valve KF changes into and retreats solenoid valve KR.
When abnormal state, if the main shaft of forward gears and a grade offsets, after selector lever is in forward position, Transmission Control Module sends advance one grade of instruction, Transmission Control Module output terminal F and output terminal 1 export 24V voltage, gearbox forward gears and one grade of solenoid valve KF, K1 obtain electric, hydraulic oil enters forward gears and one grade of clutch plunger, clutch combines, gearbox is with one grade of mode activated, now because Transmission Control Module output terminal F and output terminal 1 export 24V voltage, relay K F and K1 obtains electric, and normally-closed contact disconnects; Forward gears and one grade of clutch are often opened pressure switch SF and S1 and are closed, because relay K F and K1 normally-closed contact disconnect, just cut off the current loop of alarm buzzer and forward gears, one grade of oil pressure leakage alarm tutorial light HF and H1, therefore alarm buzzer and warning light are not all reported to the police and are not lighted yet.At this moment, if transmission main shaft offsets, oil ring between each gear cannot block mutual intercommunication, low-speed forward one grade uses the same axis due to clutch, there will not be exception, when the speed of a motor vehicle arrives the second gear speed of a motor vehicle, Transmission Control Module output terminal 1 power-off, relay K 1 dead electricity, normally-closed contact closes, Transmission Control Module output terminal 2 obtains electric, one grade of clutch will be separated, two grades of clutches will be in conjunction with, hydraulic oil due to forward gears channels to one grade, even if one grade of solenoid valve K1 must not be electric, one grade also has oil pressure, just be combined with second gear simultaneously, this is unallowed, often open pressure switch S1 still to close, at this moment alarm buzzer and one grade of electric current bonding after the normally-closed contact and Chang Kai pressure switch S1 of relay K 1 leaking tutorial light H1 form loop, alarm buzzer obtains electric alarm and one grade of leakage tutorial light H1 lights, remind driver's Gearbox Fault, shut down to be repaired, continuing to use to make clutch friction plate and piston scrap.
Equally, selector lever is in after retreating file location, Transmission Control Module sends the instruction of slow astern shelves, and Transmission Control Module output terminal R and output terminal 1 export 24V voltage, and gearbox retreats shelves and one grade of solenoid valve obtains electric, hydraulic oil enters and retreats shelves and one grade of clutch plunger, clutch combine, gearbox with one grade of mode activated, now because Transmission Control Module output terminal R and output terminal 1 export 24V voltage, relay KR and K1 obtain electric, and normally-closed contact disconnects; Retrogressing shelves and one grade of clutch are often opened pressure switch SR and S1 and are closed, because relay KR and K1 normally-closed contact disconnect, just cut off alarm buzzer and the current loop retreating shelves, one grade of oil pressure leakage alarm tutorial light HR and H1, therefore alarm buzzer and warning light are not all reported to the police and are not lighted yet.At this moment, if transmission main shaft offsets, oil ring between each gear cannot block mutual intercommunication, forward gears and one grade use the same axis due to clutch, the oil of one grade channels to forward gears, forward gear clutch internal piston also has oil pressure, often open pressure switch SF to close, just be combined with retrogressing shelves simultaneously, this is unallowed, at this moment alarm buzzer and forward gears leak electric current bonding formation loop after the normally-closed contact and pressure switch SF of relay K F of tutorial light HF, alarm buzzer is reported to the police and forward gears leakage tutorial light HF lights, remind driver's Gearbox Fault, shut down to be repaired, continuing to use to make clutch friction plate and piston scrap.
If the main shaft retreating shelves and second gear offsets, after selector lever is in forward position, Transmission Control Module sends advance one grade of instruction, Transmission Control Module output terminal F and output terminal 1 export 24V voltage, gearbox forward gears and one grade of solenoid valve KF, K1 obtain electric, hydraulic oil enters forward gears and one grade of clutch plunger, clutch combines, gearbox is with one grade of mode activated, now because Transmission Control Module output terminal F and output terminal 1 export 24V voltage, relay K F and K1 obtains electric, and normally-closed contact disconnects; Forward gears and one grade of clutch are often opened pressure switch SF and S1 and are closed, because relay K F and K1 normally-closed contact disconnect, just cut off the current loop of alarm buzzer and forward gears, one grade of oil pressure leakage alarm tutorial light HF and H1, therefore alarm buzzer and warning light are not all reported to the police and are not lighted yet.When the speed of a motor vehicle reaches second gear, Transmission Control Module output terminal 1 power-off, output terminal 2 obtains electric, relay K 2 obtains electric, normally-closed contact disconnects, one grade of clutch separation, second gear clutch combines, second gear oil pressure is often opened pressure switch and is closed, because retrogressing shelves and second gear use same main shaft, the hydraulic oil of second gear channels to retrogressing shelves, must not be electric even if retreat shelves solenoid valve KR, retreat shelves and also have oil pressure, just be combined with forward gears simultaneously, this is unallowed, often open pressure switch SR to close, at this moment alarm buzzer and retrogressing shelves leak electric current bonding formation loop after the normally-closed contact and Chang Kai pressure switch SR of relay KR of tutorial light HR, alarm buzzer is reported to the police and is retreated shelves leakage tutorial light HR and lights, remind driver's Gearbox Fault, shut down to be repaired, continuing to use to make clutch friction plate and piston scrap.
Selector lever is in after retreating file location, Transmission Control Module sends the instruction of slow astern shelves, Transmission Control Module output terminal R and output terminal 1 export 24V voltage, gearbox retreats shelves and one grade of solenoid valve KR, K1 obtain electric, and hydraulic oil enters and retreats shelves and one grade of clutch plunger, and clutch combines, gearbox is with one grade of mode activated, now because Transmission Control Module output terminal R and output terminal 1 export 24V voltage, relay KR and K1 obtain electric, and normally-closed contact disconnects; The pressure switch SF and S1 that often opens retreating shelves and one grade of clutch closes, because relay KR and K1 normally-closed contact disconnect, just cut off alarm buzzer and the current loop retreating shelves, one grade of oil pressure leakage alarm tutorial light HR and H1, therefore alarm buzzer and warning light are not all reported to the police and are not lighted yet.At this moment, if the main shaft that gearbox retreats shelves and second gear offsets, oil ring between each gear cannot block mutual intercommunication, retreating shelves and second gear due to clutch uses the same axis, the hydraulic oil retreating shelves channels to second gear, second gear clutch plunger inside is made also to have oil pressure, often open pressure switch S2 to close, just be combined with one grade simultaneously, this is unallowed, at this moment alarm buzzer and second gear leak electric current bonding formation loop after the normally-closed contact and Chang Kai pressure switch S2 of relay K 2 of tutorial light H2, alarm buzzer is reported to the police and second gear leakage tutorial light H2 lights, remind driver's Gearbox Fault, shut down to be repaired, continuing to use to make clutch friction plate and piston scrap.
If the main shaft of third gear and fourth gear offsets, after selector lever is in forward position, all normal at advance one grade and second gear, after the speed of a motor vehicle enters third gear, Transmission Control Module sends the instruction of advance third gear, Transmission Control Module output terminal F and output terminal 3 export 24V voltage, gearbox forward gears and third gear solenoid valve KF, K3 obtains electric, hydraulic oil enters forward gears and third gear clutch plunger, clutch combines, gearbox is with third gear mode activated, now because Transmission Control Module output terminal F and output terminal 3 export 24V voltage, relay K F and K3 obtains electric, normally-closed contact disconnects, the pressure switch SF and S3 that often opens of forward gears and third gear clutch closes, because relay K F and K3 normally-closed contact disconnect, just cut off the current loop of alarm buzzer and forward gears, third gear oil pressure leakage alarm tutorial light HF and H3, therefore alarm buzzer and warning light are not all reported to the police and are not lighted yet.But, because third gear and fourth gear use same main shaft, when main shaft offsets, the oil pressure of third gear leaks into fourth gear clutch piston cavity, cause third gear and fourth gear clutch to combine simultaneously, this is unallowed, often open pressure switch S4 to close, at this moment alarm buzzer and fourth gear leak electric current bonding formation loop after the normally-closed contact and Chang Kai pressure switch S4 of relay K 4 of tutorial light H4, alarm buzzer is reported to the police and fourth gear leakage tutorial light H4 lights, remind driver's Gearbox Fault, shut down to be repaired, continuing to use to make clutch friction plate and piston scrap.
Be in by selector lever after retreating file location, its alarm principle is the same.
This device is not the skew of direct detection transmission main shaft; but changed by the pressure of hydraulic system; according to the skew of the leakage indirect detection main shaft of oil ring; the oil duct of gearbox installs additional and often opens pressure switch; electric rule is obtained in conjunction with solenoid valve; by abnormal oil pressure; indirectly judge the skew of main shaft; the situation of very first time discovery gearbox oil pressure exception; timely process, prevents the state of affairs from magnifying, thus protection gearbox does not further damage; reduce the maintenance cost of gearbox greatly, guarantee vehicle safe, normally travel.
Claims (2)
1. a special vehicle transmission main shaft journal wear offset hints device, comprises Transmission Control Module, ignition switch and vehicle power, is characterized in that: also comprise alarm buzzer, first to the 6th alarm indicator lamp, first to the 6th diode, first to the 6th relay, first often opens pressure switch to the 6th, and the described first to the 6th relay is respectively with normally-closed contact, and described first to the 6th often opens pressure switch monitors forward gear clutch oil pressure respectively, retreat shelves clutch pressure, one grade of clutch pressure, second gear clutch pressure, third gear clutch pressure and fourth gear clutch pressure, described first relay coil one end connects the forward gears signal output part of described Transmission Control Module, the other end ground connection, described second relay coil one end connects the retrogressing shelves signal output part of described Transmission Control Module, the other end ground connection, described 3rd relay coil one end connects one grade of signal output part of described Transmission Control Module, the other end ground connection, described 4th relay coil one end connects the second gear signal output part of described Transmission Control Module, the other end ground connection, described 5th relay coil one end connects the third gear signal output part of described Transmission Control Module, the other end ground connection, described 6th relay coil one end connects the fourth gear signal output part of described Transmission Control Module, the other end ground connection, described first tutorial light, first relay normally-closed contact, first often opens pressure switch is connected in series rear one end ground connection successively, the other end connects described vehicle power positive pole through described ignition switch, described second tutorial light, second relay normally-closed contact, second often opens pressure switch is connected in series rear one end ground connection successively, the other end connects described vehicle power positive pole through described ignition switch, described 3rd tutorial light, 3rd relay normally-closed contact, 3rd often opens pressure switch is connected in series rear one end ground connection successively, the other end connects described vehicle power positive pole through described ignition switch, described 4th tutorial light, 4th relay normally-closed contact, 4th often opens pressure switch is connected in series rear one end ground connection successively, the other end connects described vehicle power positive pole through described ignition switch, described 5th tutorial light, 5th relay normally-closed contact, 5 constant virtues is opened pressure switch and is connected in series rear one end ground connection successively, the other end connects described vehicle power positive pole through described ignition switch, described 6th tutorial light, 6th relay normally-closed contact, 6th often opens pressure switch is connected in series rear one end ground connection successively, the other end connects described vehicle power positive pole through described ignition switch, and described alarm buzzer one end connects described vehicle power positive pole through described ignition switch, the other end connects the anode of the described first to the 6th diode respectively, the negative electrode of described first diode connects between described first tutorial light and the first relay normally-closed contact, the negative electrode of described second diode connects between described second tutorial light and the second relay normally-closed contact, the negative electrode of described 3rd diode connects between described 3rd tutorial light and the 3rd relay normally-closed contact, the negative electrode of described 4th diode connects between described 4th tutorial light and the 4th relay normally-closed contact, the negative electrode of described 5th diode connects between described 5th tutorial light and the 5th relay normally-closed contact, and the negative electrode of described 6th diode connects between described 6th tutorial light and the 6th relay normally-closed contact.
2. special vehicle transmission main shaft journal wear offset hints device according to claim 1, is characterized in that: described vehicle power is direct current 24V storage battery.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520565717.0U CN204878640U (en) | 2015-07-31 | 2015-07-31 | Special type vehicle gearbox main shaft axle journal wearing and tearing skew suggestion device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520565717.0U CN204878640U (en) | 2015-07-31 | 2015-07-31 | Special type vehicle gearbox main shaft axle journal wearing and tearing skew suggestion device |
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| CN204878640U true CN204878640U (en) | 2015-12-16 |
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| CN201520565717.0U Expired - Fee Related CN204878640U (en) | 2015-07-31 | 2015-07-31 | Special type vehicle gearbox main shaft axle journal wearing and tearing skew suggestion device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110108479A (en) * | 2018-01-31 | 2019-08-09 | 宝山钢铁股份有限公司 | Bogie automatic gear-box thresholding cylinder and half grade of cylinder synchronous dynamic simulator |
| CN116750040A (en) * | 2023-08-23 | 2023-09-15 | 天津阿尔法优联电气有限公司 | Safety operation early warning method and system for subway driver controller |
-
2015
- 2015-07-31 CN CN201520565717.0U patent/CN204878640U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110108479A (en) * | 2018-01-31 | 2019-08-09 | 宝山钢铁股份有限公司 | Bogie automatic gear-box thresholding cylinder and half grade of cylinder synchronous dynamic simulator |
| CN110108479B (en) * | 2018-01-31 | 2022-06-28 | 宝山钢铁股份有限公司 | Threshold cylinder and half-gear cylinder synchronous dynamic simulation device of automatic gearbox of truck |
| CN116750040A (en) * | 2023-08-23 | 2023-09-15 | 天津阿尔法优联电气有限公司 | Safety operation early warning method and system for subway driver controller |
| CN116750040B (en) * | 2023-08-23 | 2023-10-20 | 天津阿尔法优联电气有限公司 | Safety operation early warning method and system for subway driver controller |
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Granted publication date: 20151216 Termination date: 20210731 |