CN105300687A - Offline test bench and method of automobile transmission - Google Patents

Offline test bench and method of automobile transmission Download PDF

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Publication number
CN105300687A
CN105300687A CN201410363610.8A CN201410363610A CN105300687A CN 105300687 A CN105300687 A CN 105300687A CN 201410363610 A CN201410363610 A CN 201410363610A CN 105300687 A CN105300687 A CN 105300687A
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CN
China
Prior art keywords
control module
gear
wheel box
base
motor
Prior art date
Application number
CN201410363610.8A
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Chinese (zh)
Inventor
陈基强
王�锋
赵建忠
王杰
Original Assignee
上海宝钢工业技术服务有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 上海宝钢工业技术服务有限公司 filed Critical 上海宝钢工业技术服务有限公司
Priority to CN201410363610.8A priority Critical patent/CN105300687A/en
Publication of CN105300687A publication Critical patent/CN105300687A/en

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Abstract

The invention discloses an offline test bench and method of an automobile transmission. According to the bench, the front side of a rack base is provided with a bearing and a flywheel supporting seat; a motor base is arranged at one side of the rack base; a motor is arranged on the motor base; and four support adjusting rods and three stop blocks are arranged on the top surface of the rack base. The method is characterized in that the transmission is arranged on the top surface of the rack base of the bench; a motor drives the transmission; the transmission is connected with a sensor and a required gas circuit according to an on-line state, and meanwhile, connected with a shifting handle, a vehicle control module, an engine control module and a gear control module; a simulation drive instruction is given by adopting the shifting handle; the gear control module enables the actual working state of the transmission to be compared with the built-in normal value thereof, and when the result surpasses the allowable normal value range, a fault alarm is given; and the vehicle control module executes the detection process and controls the operation of the transmission, and detection of the transmission is carried out. The offline test bench and method facilitate offline test of the transmission, improve detection efficiency, reduce detection cost and ensure normal operation of the vehicle.

Description

The off-line testing stand of automobile gearbox and method
Technical field
The present invention relates to a kind of off-line testing stand and method of automobile gearbox.
Background technology
Automobile gearbox is one of main composition of car transmissions, and it is changed for mechanokinetic.Have transportation range for the automobile of the ironmaking such as coal, breeze needed raw material transport in metallurgy industry short, vehicle is often in the feature of frequent starting, gearshift, braking operation state, and cause wheel box serious wear, failure rate is higher.In the Disintegration overhaul process of wheel box, owing to lacking effective detection means, whether fubaritic repaired wheel box is normally intact, and the method with regard to car checking usually can only be taked to implement whether normal test to the wheel box repaired.But often there will be and repair after the wheel box completed is installed to vehicle; find that wheel box cannot normally work; there is various problem, have no alternative but again to dismantle wheel box, re-start and decompose maintenance; to determine position and the reason of fault; this process even repeatedly repeatedly 3 ~ 4 times sometimes, seriously reduces wheel box overhaul efficiency, improves the cost of overhaul; cause unnecessary waste, have impact on the normal operation of vehicle.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of off-line testing stand and method of automobile gearbox, and the convenient off-line testing implementing wheel box of present gantries, meets the requirement of wheel box off-line testing; This method carries out testing inspection to the wheel box repaired, and guarantees the normally intact of entrucking front gear box, avoids repeated disassembled and assembled wheel box, improves overhaul efficiency, reduces the cost of overhaul, guarantees the normal operation of vehicle.
For solving the problems of the technologies described above, the off-line testing stand of automobile gearbox of the present invention comprises gantry base, bearing block, flywheel supporting base, motor base, motor, four support adjusting rods and three limited blocks, described bearing block and flywheel supporting base respectively successively interval coaxial vertical be located at the front side of described gantry base, described motor base is vertical at described gantry base and is positioned at described bearing block and flywheel supporting base side, described four support adjusting rods are vertically all laid in described gantry base end face respectively, described three limited blocks are located at both sides and the rear side of described gantry base end face respectively, described motor base end face is located at by described motor.
Further, described bearing block comprises rectangular block, hollow internal thread round bar, screw mandrel and semicircle groove rest pad, described hollow internal thread round bar is vertical at described rectangular block end face, described screw mandrel is vertical at described semicircle groove rest pad bottom surface, and the inner bolt hole in described hollow internal thread round bar twisted by described screw mandrel.
Further, described flywheel supporting base comprises base block, screw bar, screw rod, set nut and arc groove rest pad, described screw bar is vertical at described base block end face, described screw rod is vertical at described arc groove rest pad bottom surface, described set nut is twisted on described screw rod, and described screw rod twists the endoporus in described screw bar.
Further, described support adjusting rod comprises screw bolt seat, adjusting bolt and clamp nut, and described clamp nut is twisted in described adjusting bolt, and described adjusting bolt is twisted in the screw of described screw bolt seat.
Further, described limited block comprises L shape baffle plate and stiffening plate, and described stiffening plate is located between the long-armed and galianconism of described L shape baffle plate, and the galianconism of described L shape baffle plate has through hole.
An off-line testing method for automobile gearbox, this method comprises the steps:
Step one, wheel box is arranged at the gantry base end face of above-mentioned stand, wheel box body adopts four support adjusting rods support and regulate height and position, three limited blocks limit wheel box body in the position of gantry base end face, wheel box coupling shaft front end arranges bearing and is positioned on bearing block, and the flywheel clutch housing of wheel box coupling shaft is positioned on flywheel supporting base;
Step 2, motor rotary shaft and wheel box coupling shaft arrange driving wheel and follower respectively, adopt belt to be connected between driving wheel with follower, and motor drives wheel box to rotate by 550 revs/min of speed;
Step 3, by wheel box presence connecting sensor and required gas circuit, connect shift handle, full-vehicle control module, engine control module and gear control module, by CAN communication between full-vehicle control module and gear control module simultaneously;
Step 4, employing shift handle provide analog-driven instruction, gear control module confirms driving instruction and sends full-vehicle control module to, in automatic gear, full-vehicle control module record and all information relevant to engage a gear of process, calculate all possible target gear and flywheel clutch control information according to shift strategy, target gear and flywheel clutch control information transfer to gear control module through CAN;
Step 5, gear control module performance objective gear and flywheel clutch control, disconnect or engage flywheel clutch and be linked into target gear, the actual working state of flywheel clutch and built-in flywheel clutch allow operation interval to compare by gear control module, if actual value exceeds permission operation interval, send fault alarm, the actual value that wheel box sensor detects by gear control module and built-in allowed band value compare, if actual value departs from allowed band value, then stop gear shift and show corresponding event information;
Step 6, open the built-in trace routine of full-vehicle control module, front gear box and flywheel clutch status data transfers will be worked as to full-vehicle control module, then wheel box is according to current flywheel clutch state, instruction is sent to the control element in gearbox shifting mechanism by trace routine, executive component, whether detecting sensor data have deviation, whether gearshift function is normal, if wheel box is by the detection of trace routine, then wheel box executive component, control element is working properly, if wheel box is not by the detection of trace routine, then trace routine is at current detection termination detection, show failure message simultaneously.
Because the off-line testing stand of automobile gearbox of the present invention and method have employed technique scheme, namely present gantries arranges bearing block and flywheel supporting base respectively on front side of gantry base, gantry base side is located at by motor base, motor is located on motor base, and four support adjusting rods and three limited blocks are located at the end face of gantry base.The gantry base end face that wheel box is arranged at stand by this method is gone forward side by side line position adjustment and fixing, motor drives wheel box, wheel box presses presence connecting sensor and required gas circuit, connect shift handle, full-vehicle control module, engine control module and gear control module, by CAN communication between full-vehicle control module and gear control module simultaneously; Shift handle is adopted to provide analog-driven instruction, gear control module confirms driving instruction and sends full-vehicle control module to, and target gear and flywheel clutch control information are transferred to the execution of gear control module, the actual working state sensor detection information of flywheel clutch and built-in normal value are compared, if exceed permission range of normal value, send fault alarm and stop gear shift and show corresponding event information; Open the built-in trace routine of full-vehicle control module and control wheel box operation, if wheel box is by the detection of trace routine, then wheel box is working properly, if wheel box is not by the detection of trace routine, then trace routine is at current detection termination detection, shows failure message simultaneously.The convenient off-line testing implementing wheel box of present gantries, meets the requirement of wheel box off-line testing; This method carries out testing inspection to the wheel box repaired, and guarantees the normally intact of entrucking front gear box, avoids repeated disassembled and assembled wheel box, improves overhaul efficiency, reduces the cost of overhaul, guarantees the normal operation of vehicle.
Accompanying drawing explanation
Below in conjunction with drawings and embodiments, the present invention is described in further detail:
Fig. 1 is the structural representation of the off-line testing stand of automobile gearbox of the present invention;
Fig. 2 is the structural representation of this test-bed centre bearer supporting base;
Fig. 3 is the structural representation of flywheel supporting base in this test-bed;
Fig. 4 is the structural representation of support adjusting rod in this test-bed;
Fig. 5 is the structural representation of limited block in this test-bed;
Fig. 6 is the structural representation that this test-bed is located at by wheel box.
Embodiment
As shown in Figure 1, the off-line testing stand of automobile gearbox of the present invention comprises gantry base 1, bearing block 2, flywheel supporting base 3, motor base 4, motor 5, four support adjusting rods 6 and three limited blocks 7, described bearing block 2 and flywheel supporting base 3 respectively successively interval coaxial vertical be located at the front side of described gantry base 1, described motor base 4 is vertical at described gantry base 1 and is positioned at described bearing block 2 and flywheel supporting base 3 side, described four support adjusting rods 6 are vertically all laid in described gantry base 1 end face respectively, described three limited blocks 7 are located at both sides and the rear side of described gantry base 1 end face respectively, described motor base 4 end face is located at by described motor 5.Wherein, gantry base adopts shaped steel to be starting material, by wheel box specification, be sized to corresponding framed structure, adapt to the adjustment of vertical direction when wheel box is installed, the requirement such as fastening, with bolts between motor and motor base, screw is offered as mounting hole, is convenient to the spacing adjusting motor rotary shaft and wheel box coupling shaft.
Further, as shown in Figure 2, described bearing block 2 comprises rectangular block 21, hollow internal thread round bar 22, screw mandrel 23 and semicircle groove rest pad 24, described hollow internal thread round bar 22 is vertical at described rectangular block 21 end face, described screw mandrel 23 is vertical at described semicircle groove rest pad 24 bottom surface, and the inner bolt hole in described hollow internal thread round bar 22 twisted by described screw mandrel 23.Bearing block longitudinally can regulate height, and rectangular block is welded in gantry base, and the bearing of wheel box coupling shaft is positioned at the semicircle groove of semicircle groove rest pad, plays the effect of supporting wheel box coupling shaft.
Further, as shown in Figure 3, described flywheel supporting base 3 comprises base block 31, screw bar 32, screw rod 33, set nut 34 and arc groove rest pad 35, described screw bar 32 is vertical at described base block 31 end face, described screw rod 33 is vertical at described arc groove rest pad 35 bottom surface, described set nut 34 is twisted on described screw rod 33, and described screw rod 33 twists the endoporus in described screw bar 32.Arc groove rest pad makes according to the diameter dimension of flywheel, and upper surface is circular arc to ensure the laminating with flywheel casing, and screw bar and screw rod are for regulating highly and adopting set nut to fix, and base block can be welded in gantry base.
Further, as shown in Figure 4, described support adjusting rod 6 comprises screw bolt seat 61, adjusting bolt 62 and clamp nut 63, and described clamp nut 63 is twisted in described adjusting bolt 62, and described adjusting bolt 62 is twisted in the screw of described screw bolt seat 61.Support adjusting rod, for supporting wheel box body, regulates height by screw bolt seat and adjusting bolt, after gearbox location is determined, pins, prevent wheel box from gliding by clamp nut.
Further, as shown in Figure 5, described limited block 7 comprises L shape baffle plate 71 and stiffening plate 72, and between long-armed 73 and galianconism 74 of described L shape baffle plate 71 be located at by described stiffening plate 72, and the galianconism 74 of described L shape baffle plate 71 has through hole 75.Limited block is located at both sides and the rear side of gantry base respectively, and adopt bolt to be connected with gantry base by the galianconism of L shape baffle plate, the through hole on L shape baffle plate galianconism is offered as mounting hole, is convenient to carry out position adjustments.
An off-line testing method for automobile gearbox, this method comprises the steps:
Step one, as shown in Figure 6, wheel box 8 is arranged at gantry base 1 end face of above-mentioned stand, wheel box 8 body adopts four support adjusting rods 6 support and regulate height and position, three limited blocks 7 limit wheel box 8 body in the position of gantry base 1 end face, wheel box coupling shaft 81 front end arranges bearing 82 and is positioned on bearing block 2, and the flywheel clutch housing 83 of wheel box coupling shaft 81 is positioned on flywheel supporting base 3;
Step 2, motor 5 rotating shaft and wheel box 8 coupling shaft arrange driving wheel 51 and follower 84 respectively, adopt belt 52 to be connected between driving wheel 51 with follower 84, and motor 5 drives wheel box 8 to rotate by 550 revs/min of speed; After motor start-up, the driving wheel being arranged on motor rotary shaft is rotated by belt drive engaged wheel, and after engaged wheel rotates, flywheel driven clutch coupling rotates, thus realizes the driving of transmission input shaft; Coupling shaft arranges bearing and wheel box is operated steadily;
Step 3, by wheel box presence connecting sensor and required gas circuit, connect shift handle, full-vehicle control module, engine control module and gear control module, by CAN communication between full-vehicle control module and gear control module simultaneously; Wherein shift handle is used for the selection of gearbox-gear, comprises forward gear, neutral, reverse gear and gear acceleration and deceleration, and turn-on data loading routine; Gear control module is used for the ecp gear shift of gearbox gear-shift assembly, and as gear cylinder, thresholding cylinder operates, and records simultaneously and assesses gearshift, the working condition of wheel box and the working condition of clutch coupling; Full-vehicle control module receives the signal from shift handle, sends instructions to gear control module after comprehensive analysis; Engine control module controls the operation of motor;
Step 4, employing shift handle provide analog-driven instruction, gear control module confirms driving instruction and sends full-vehicle control module to, in automatic gear, full-vehicle control module record and all information relevant to engage a gear of process, calculate all possible target gear and flywheel clutch control information according to shift strategy, target gear and flywheel clutch control information transfer to gear control module through CAN;
Step 5, gear control module performance objective gear and flywheel clutch control, disconnect or engage flywheel clutch and be linked into target gear, the actual working state of flywheel clutch and built-in flywheel clutch allow operation interval to compare by gear control module, if actual value exceeds permission operation interval, send fault alarm, the actual value that wheel box sensor detects by gear control module and built-in allowed band value compare, if actual value departs from allowed band value, then stop gear shift and show corresponding event information;
Step 6, open the built-in trace routine of full-vehicle control module, front gear box and flywheel clutch status data transfers will be worked as to full-vehicle control module, then wheel box is according to current flywheel clutch state, instruction is sent to the control element in gearbox shifting mechanism by trace routine, executive component, whether detecting sensor data have deviation, whether gearshift function is normal, if wheel box is by the detection of trace routine, then wheel box executive component, control element is working properly, if wheel box is not by the detection of trace routine, then trace routine is at current detection termination detection, show failure message simultaneously.
This test-bed and method solve the off-line testing problem after wheel box reparation, the operating mode of simulation wheel box under vehicle motor is in idling mode, the rotating speed of transmission input shaft is provided, namely the speed driving wheel box of 550 revs/min pressed by motor, when each meshing gear of wheel box rotates, confirming whether the wheel box after repairing exists rotates extremely, whether there is abnormal sound, the situations such as temperature rising, to judge the wheel box operation conditions after repairing, pass through off-line testing, guarantee the normally intact of entrucking front gear box, avoid repeated disassembled and assembled wheel box from vehicle, improve overhaul efficiency, reduce the cost of overhaul, guarantee the normal operation of vehicle.

Claims (6)

1. the off-line testing stand of an automobile gearbox, it is characterized in that: present gantries comprises gantry base, bearing block, flywheel supporting base, motor base, motor, four support adjusting rods and three limited blocks, described bearing block and flywheel supporting base respectively successively interval coaxial vertical be located at the front side of described gantry base, described motor base is vertical at described gantry base and is positioned at described bearing block and flywheel supporting base side, described four support adjusting rods are vertically all laid in described gantry base end face respectively, described three limited blocks are located at both sides and the rear side of described gantry base end face respectively, described motor base end face is located at by described motor.
2. the off-line testing stand of automobile gearbox according to claim 1, it is characterized in that: described bearing block comprises rectangular block, hollow internal thread round bar, screw mandrel and semicircle groove rest pad, described hollow internal thread round bar is vertical at described rectangular block end face, described screw mandrel is vertical at described semicircle groove rest pad bottom surface, and the inner bolt hole in described hollow internal thread round bar twisted by described screw mandrel.
3. the off-line testing stand of automobile gearbox according to claim 1, it is characterized in that: described flywheel supporting base comprises base block, screw bar, screw rod, set nut and arc groove rest pad, described screw bar is vertical at described base block end face, described screw rod is vertical at described arc groove rest pad bottom surface, described set nut is twisted on described screw rod, and described screw rod twists the endoporus in described screw bar.
4. the off-line testing stand of automobile gearbox according to claim 1, it is characterized in that: support adjusting rod comprises screw bolt seat, adjusting bolt and clamp nut, described clamp nut is twisted in described adjusting bolt, and described adjusting bolt is twisted in the screw of described screw bolt seat.
5. the off-line testing stand of automobile gearbox according to claim 1, is characterized in that: described limited block comprises L shape baffle plate and stiffening plate, and described stiffening plate is located between the long-armed and galianconism of described L shape baffle plate, and the galianconism of described L shape baffle plate has through hole.
6. an off-line testing method for automobile gearbox, is characterized in that this method comprises the steps:
Step one, wheel box is arranged at the gantry base end face of stand described in any one of claim 1 to 5, wheel box body adopts four support adjusting rods support and regulate height and position, three limited blocks limit wheel box body in the position of gantry base end face, wheel box coupling shaft front end arranges bearing and is positioned on bearing block, and the flywheel clutch housing of wheel box coupling shaft is positioned on flywheel supporting base;
Step 2, motor rotary shaft and wheel box coupling shaft arrange driving wheel and follower respectively, adopt belt to be connected between driving wheel with follower, and motor drives wheel box to rotate by 550 revs/min of speed;
Step 3, by wheel box presence connecting sensor and required gas circuit, connect shift handle, full-vehicle control module, engine control module and gear control module, by CAN communication between full-vehicle control module and gear control module simultaneously;
Step 4, employing shift handle provide analog-driven instruction, gear control module confirms driving instruction and sends full-vehicle control module to, in automatic gear, full-vehicle control module record and all information relevant to engage a gear of process, calculate all possible target gear and flywheel clutch control information according to shift strategy, target gear and flywheel clutch control information transfer to gear control module through CAN;
Step 5, gear control module performance objective gear and flywheel clutch control, disconnect or engage flywheel clutch and be linked into target gear, the actual working state of flywheel clutch and built-in flywheel clutch allow operation interval to compare by gear control module, if actual value exceeds permission operation interval, send fault alarm, the actual value that wheel box sensor detects by gear control module and built-in allowed band value compare, if actual value departs from allowed band value, then stop gear shift and show corresponding event information;
Step 6, open the built-in trace routine of full-vehicle control module, front gear box and flywheel clutch status data transfers will be worked as to full-vehicle control module, then wheel box is according to current flywheel clutch state, instruction is sent to the control element in gearbox shifting mechanism by trace routine, executive component, whether detecting sensor data have deviation, whether gearshift function is normal, if wheel box is by the detection of trace routine, then wheel box executive component, control element is working properly, if wheel box is not by the detection of trace routine, then trace routine is at current detection termination detection, show failure message simultaneously.
CN201410363610.8A 2014-07-29 2014-07-29 Offline test bench and method of automobile transmission CN105300687A (en)

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Publication number Priority date Publication date Assignee Title
CN106090154A (en) * 2016-06-15 2016-11-09 吴传涛 A kind of motor-driven flexible axle driving means
CN106523682A (en) * 2016-08-30 2017-03-22 宁波高发汽车控制系统股份有限公司 Executing mechanism of automobile gear shifter
CN110887660A (en) * 2019-11-12 2020-03-17 重庆长安新能源汽车科技有限公司 Main impact point detection method for reducer meshing backlash impact abnormal sound

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CN103543009A (en) * 2013-08-22 2014-01-29 浙江中柴机器有限公司 Gearbox test bed

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CN101393077A (en) * 2007-09-19 2009-03-25 天津横河电子技术有限公司 Sedan car manual gear box on-line detecting electricity loading test stand and working method thereof
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* Cited by examiner, † Cited by third party
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CN110887660B (en) * 2019-11-12 2021-02-26 重庆长安新能源汽车科技有限公司 Main impact point detection method for reducer meshing backlash impact abnormal sound

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Application publication date: 20160203