CN201903446U - Endurance test stand for automobile transmission assembly - Google Patents

Abstract

The utility model relates to an automobile transmission train assembly durability test bench, which belongs to the transmission train assembly impact durability test equipment in the field of automobile test bench detection systems. Inertial shaft and braking part installation, brake shoe for braking, disc coupling, intelligent torque speed sensor for measuring torque and speed, gearbox bracket for installing gearbox and shaft connection part installation, installation The rear axle fixture, the inertia wheel adjustment mechanism and the pneumatic parts of the automobile rear axle are respectively fixedly connected with the base and the guard cover. The test bench of the utility model can be equipped with rear axle assemblies and gearboxes of different specifications and sizes, and can separately test the impact durability of drive axles, transmissions, universal drives and the drive train assemblies composed of them. It has the function of automatic test and high-precision measurement.

Description

Endurance Test Bench for Automobile Powertrain Assembly

technical field

The utility model belongs to the impact durability test equipment of a drive train assembly in the field of automobile test bench detection systems.

Background technique

The structure of modern automobile transmission system is becoming more and more complex. A large amount of test data is needed in the process of developing advanced transmission system. The traditional test data of transmission system can no longer meet the needs of developing new products. The operating conditions of the automobile drive train are complex, such as sudden engagement of the high-speed rotating engine, clutch start and emergency braking, etc., will generate a large impact torque in the drive train. Therefore, to reproduce the torsional impact load of the automotive drive train on the test bench, the impact durability test of the automotive drive train can be carried out indoors, and the "contribution" of the large impact torque to the fatigue damage of the drive train components can be investigated through the test analysis, and can be compared with the drive train. Comprehensive analysis of torsional loads on an automotive driveline combined with routine life testing of the system. In the process of new product development, it can quickly discover the weak links of the drive train, expose the early failure of the drive train, provide reliable test data for the development of advanced automotive drive trains, and feedback the test information to relevant departments such as design in a timely manner. Change in time, reduce development risk, and shorten development cycle. At the same time, through the indoor test bench test, it is possible to compare the impact durability of drive train assemblies or components from different suppliers of the same model, and quickly obtain test results, which is convenient for enterprises to make production decisions, so as to meet the needs of development and production. The need for new products.

Contents of the invention

The utility model provides an automobile transmission system assembly durability test bench to meet the needs of the automobile transmission system assembly durability test.

The technical scheme adopted by the utility model is: the inertial shaft and the brake part are installed, the brake shoe that acts as a brake, the disc coupling, the intelligent torque speed sensor for measuring torque and speed, and the speed changer for the gearbox. The box bracket and the connecting shaft are installed, and the rear axle clamp of the rear axle of the automobile, the inertia wheel adjustment mechanism, and the pneumatic parts are fixedly connected with the base and the shield respectively.

The structure of the inertia wheel and the brake part of the utility model is: the inertia wheel three is fixedly installed on the inertia shaft through a key, the inertia wheel four and the inertia wheel one can be installed on both sides of the inertia wheel three respectively, and the inertia wheel two is installed on the inertia wheel one On the right side, the deep groove ball bearing I and deep groove ball bearing II are set on the inertial shaft, the inertial shaft is installed on the lower bearing seat A and the lower bearing seat B, and the upper bearing seat A and the upper bearing seat B are fixed on the lower bearing seat A by screws And on the lower bearing seat B, bearing cap 1, bearing cap 2, inertia wheel fixing plate 1, and inertia wheel fixing plate 2 are installed inside the two bearing seats, the brake disc retaining sleeve is sleeved on the inertial shaft, and bearing cap 3 is installed on the bearing seat The outer side of B is set on the brake disc as a sleeve. The brake disc is fixed on the inertia shaft through the key, and forms a braking system with the brake bracket ears installed on the brake bracket. The bearing cover 4 is installed on the outer side of the bearing seat A. The shaft pulley is installed and fixed on the left side of the inertial shaft through a key, and the pulley baffle is installed at the end of the inertial shaft.

The installation structure of the transmission bracket and the connecting shaft part of the utility model is: the deep groove ball bearing III, the rear stop sleeve of the connecting shaft, and the front stop sleeve of the connecting shaft are set on the connecting shaft, the connecting shaft is placed on the lower bearing seat, the upper bearing seat and the lower bearing The connecting shaft is fixed by seat connection, the bearing cover of the connecting shaft is fixedly connected with the lower bearing seat and the upper bearing seat, the retaining ring Ⅰ of the connecting shaft end is installed at the rear end of the connecting shaft, and the clutch coupling plate and the retaining ring II of the connecting shaft end are installed on the connecting shaft At the front end, the tapered roller bearing I is set on the adjusting screw, the adjusting frame bearing seat is set on the tapered roller bearing I, the adjusting frame bearing cover II and the adjusting frame screw bearing cover are respectively installed on both sides of the adjusting frame bearing seat, and the speed change The box support is installed on the sliding seat of the adjustment frame, together with the guide rail and the adjustment screw, it constitutes the installation and adjustment system of the gearbox.

The structure of the rear bridge fixture of the utility model is: the connecting plate on the input end support is installed on the input end support, the input end support is installed on the input end support bottom plate to form the input end support, the input end support bottom plate is installed on the rear axle clamp base, The output end fixed bracket Ⅰ and the output end support frame Ⅱ are fixedly connected with the bracket slide plate respectively, the connecting plate is fixedly connected with the output end fixed bracket Ⅰ, the U-shaped screw is fixedly connected with the upper connecting plate of the input end bracket, and the output end fixed bracket Ⅰ is connected with the output end The fixed bracket Ⅱ is fixedly connected with the bracket slide plate, the rear axle support is fixedly connected with the output end fixed bracket Ⅰ, the upper pressure plate is fixedly connected with the output end fixed bracket Ⅱ, the sprocket is installed and fixed on the sprocket shaft through a key, and the rear end cover of the sliding bearing Installed at the end of the sprocket shaft, the sprocket shaft is installed on the sliding bearing body, the T-shaped slot is fixedly connected with the chain backing plate with a tightening block, the sliding bearing body is fixed on the bracket slide plate, the chain tensioning positioning block, the chain tensioning adjustment block, The chain tensioning sleeve is fixedly connected with the support slide plate, and the spacer is installed between the support slide plate and the rear axle clamp base.

The structure of the inertia wheel adjustment mechanism of the utility model is: the bearing seat of the adjustment frame is fixed on the base, the tapered roller bearing II is set on the lead screw of the inertia wheel adjustment frame, the screw bearing cover of the adjustment frame is fixedly connected with the bearing seat of the adjustment frame, and the inertia The screw of the wheel adjustment frame is installed on the bearing seat of the adjustment frame, the sliding seat II of the adjustment frame is installed on the screw of the inertia wheel adjustment frame, the bottom plate of the adjustment frame is fixed on the sliding seat II of the adjustment frame, and the fixed slide plate is fixed on the bottom plate of the adjustment frame. The arm screw nut is installed on the supporting arm screw and set in the fixed slide plate at the same time, the rear bearing seat of the supporting arm screw and the front bearing seat of the supporting arm screw are fixed on the bottom plate of the adjusting frame, and the supporting arm screw is installed behind the supporting arm screw On the bearing seat and the front bearing seat of the supporting arm screw, the sheath of the supporting arm screw is set on the supporting arm screw, the rear bearing cover of the supporting arm screw is fixed on the rear bearing seat of the supporting arm screw, and the adjusting supporting arm is fixed on the support On the arm screw nut, the roller seat II and roller seat I are fixed on the adjustment support arm, the roller shaft is installed on the roller seat II and roller seat I, the deep groove ball bearing IV is set on the roller shaft, and the adjustment positioning pin is installed on the adjustment support arm , the small knurled handwheel is installed on the adjustment positioning pin, and the lower slider of the adjustment frame is fixed on the bottom plate of the adjustment frame.

The structure of the base and the shield of the utility model is that the shield I, the sensor seat, the shield II, and the transmission shaft shield are installed on the base, the DC motor and the belt tension block are installed on the motor base, and the motor pulley is installed on the DC motor. On, the drive belt is put on the pulley of the motor, and the pulley cover is installed on the base.

The test bench of the utility model can be equipped with rear axle assemblies and gearboxes of different specifications and sizes, and can separately test the impact durability of the drive axle, transmission, universal drive and the drive train assembly composed of them. It has the functions of automatic test and high-precision measurement, mainly including: 1. Mechanical system: simulate the actual working condition of the drive train assembly; make the transmission assembly, drive axle and clutch etc. positioned accurately on the test bench, easy to assemble and disassemble, easy to adjust, The work is stable and reliable; and it can meet the measurement of workpieces of different specifications within a certain range. 2. Control system: Determine the control scheme based on the requirements of the test bench and fully consider the reliability, establish and improve the control model and control algorithm; use industrial control machine and PLC to realize the automatic control of the system. 3. Measurement system: fully consider the interference of signals, adopt advanced signal acquisition and processing technology, and use high-precision sensors to realize high-precision detection of impact durability of the automobile drive train assembly and various components.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the top view of Fig. 1;

Fig. 3 is the right view of 1;

Fig. 4 is a structural schematic diagram of the utility model inertia wheel and braking part,

Fig. 5 is the schematic diagram that the utility model gearbox bracket and the connecting shaft part are installed,

Figure 6 is a left side view of Figure 5,

Fig. 7 is a schematic structural view of the utility model rear axle clamp,

Fig. 8 is the A-A step sectional view of Fig. 7;

Fig. 9 is a B-B step sectional view of Fig. 7;

Fig. 10 is a structural schematic diagram of the inertia wheel adjustment mechanism of the present utility model,

Fig. 11 is a C-C sectional view of Fig. 10;

Fig. 12 is a schematic structural view of the utility model base and shield,

Fig. 13 is the left view of Fig. 12.

Detailed ways:

Refer to Fig. 1, Fig. 2 and Fig. 3, the inertial shaft and the braking part are installed 1, the brake shoe that acts as a brake 2, the disc coupling 3, the intelligent torque speed sensor for measuring torque and speed 4, Install the transmission bracket of the gearbox and the connecting shaft part 5, install the rear axle clamp 6 of the automobile rear axle, the inertia wheel adjustment mechanism 7, and the pneumatic parts 9 are fixedly connected with the base and the guard 8 respectively.

Referring to Fig. 4, the structure of the inertia wheel and brake part 1: the inertia wheel three 110 is fixedly installed on the inertia shaft 118 through a key, the inertia wheel four 109 and the inertia wheel one 111 can be respectively installed on both sides of the inertia wheel three 110, and the inertia wheel The second 112 is installed on the right side of the inertia wheel one 111, the deep groove ball bearing I107 and the deep groove ball bearing II123 are set on the inertial shaft 118, the inertial shaft 118 is installed on the lower bearing seat A103 and the lower bearing seat B122, and the upper bearing seat A108 is connected with The upper bearing seat B114 is fixed on the lower bearing seat A103 and the lower bearing seat B122 by screws, the first bearing cover 101, the second bearing cover 113, the first inertia wheel fixing plate 102, and the second inertia wheel fixing plate 121 are installed inside the two bearing seats, and the brake The disc retaining sleeve 119 is set on the inertia shaft 118, the bearing cover 3 115 is installed on the outer side of the bearing seat B, and is set on the brake disc as the sleeve 119, and the brake disc 116 is installed and fixed on the inertia shaft 118 through a key, and is installed on the brake disc. The brake bracket ear 120 on the bracket 117 forms the brake system, the bearing cover 104 is installed on the outside of the bearing seat A, the inertia shaft pulley 105 is installed and fixed on the left side of the inertia shaft 118 through a key, and the pulley baffle 106 is installed on the end of the inertia shaft 118 department.

Referring to Fig. 5 and Fig. 6, the structure of the gear box bracket and the connecting shaft part is as follows: deep groove ball bearing III 505, the rear stopper 504 of the connecting shaft, and the front stopper 507 of the connecting shaft are set on the connecting shaft 503, and the connecting shaft 503 is placed on the bottom The upper bearing seat 518 and the upper bearing seat 517 are connected with the lower bearing seat 518 to fix the connecting shaft, the connecting shaft bearing cover 506 is fixedly connected with the lower bearing seat and the upper bearing seat, and the connecting shaft end retaining ring I502 is installed at the rear end of the connecting shaft 503 , the clutch coupling plate 501 and the connecting shaft retaining ring II508 are installed on the front end of the connecting shaft 503, the tapered roller bearing I512 is set on the adjusting screw 514, the adjusting frame bearing seat 515 is set on the tapered roller bearing I512, and the adjusting frame bearing cap II 511 and adjusting frame lead screw bearing cover 513 are installed on both sides of adjusting frame bearing seat 515 respectively, gearbox bracket 509 is installed on adjusting frame sliding seat 510 and guide rail 516, adjusting leading screw 514 constitute a gearbox installation adjustment system.

Referring to Fig. 7, Fig. 8, Fig. 9, the structure of the rear axle clamp 6 is; the upper connecting plate 620 of the input end support is installed on the input end support 621, and the input end support 621 is installed on the input end support bottom plate 622 to form the input end support, The bottom plate 622 of the input end bracket is installed on the rear axle clamp base 613, the output end fixed bracket I 602 and the output end support frame II 608 are respectively fixedly connected with the bracket slide plate 610, the connecting plate 612 is fixedly connected with the output end fixed bracket I 602, and the U-shaped screw rod 624 is connected with the The upper connection plate 620 of the input end bracket is fixedly connected, the output end fixed bracket I 603 is fixedly connected with the output end fixed bracket II 605, and the bracket slide plate 610 is fixedly connected, the rear axle support 611 is fixedly connected with the output end fixed bracket I 603, and the upper pressure plate 604 is fixed with the output end The bracket II 605 is fixedly connected, the sprocket 617 is installed and fixed on the sprocket shaft 619 through the key, the sliding bearing rear end cover 614 is installed on the end of the sprocket shaft 619, the sprocket shaft 619 is installed on the sliding bearing body 615, and the T-shaped slot is used to tighten the block 618 It is fixedly connected with the chain backing plate 609, the sliding bearing body 615 is fixed on the bracket slide plate 610, the chain tension positioning block 601, the chain tension adjustment block 607, the chain tension sleeve 606 are fixedly connected with the bracket slide plate 610, and the cushion block 616 is installed on Between the bracket slide plate 610 and the rear axle clamp base 613 .

Referring to Fig. 10 and Fig. 11, the structure of the inertia wheel adjustment mechanism 7 is as follows: the adjustment frame bearing seat 701 is fixed on the base, the tapered roller bearing II 702 is set on the inertia wheel adjustment frame screw 703, the adjustment frame screw bearing cover 705 and The adjustment frame bearing seat 701 is fixedly connected, the inertia wheel adjustment frame screw 703 is installed on the adjustment frame bearing seat 701, the adjustment frame sliding seat II 720 is installed on the inertia wheel adjustment frame screw 703, the adjustment frame bottom plate 710 is fixed on the adjustment frame sliding seat On Ⅱ720, the fixed slide plate 708 is fixed on the bottom plate 710 of the adjustment frame, the support arm screw nut 709 is installed on the support arm lead screw 718 and is sleeved in the fixed slide plate 708 at the same time, the support arm lead screw rear bearing seat 715 and the support arm lead screw front bearing Seat 721 is fixed on the adjustment frame base plate 710, the supporting arm leading screw 718 is installed on the supporting arm leading screw rear bearing seat 715 and the supporting arm leading screw front bearing seat 721, the supporting arm leading screw sheath 717 is enclosed within the supporting arm leading screw 718 Above, the support arm lead screw rear bearing cover 716 is fixed on the support arm lead screw rear bearing seat 715, the adjustment support arm 707 is fixed on the support arm screw nut 709, the roller seat II 714 and the roller seat I 711 are fixed on the adjustment support arm 707, The roller shaft 704 is installed on the roller seat II 714 and the roller seat I 711, the deep groove ball bearing IV 706 is set on the roller shaft 704, the adjustment positioning pin 712 is installed on the adjustment support arm 707, and the small knurled hand wheel 713 is installed on the adjustment positioning pin 712 , the lower slider 719 of the adjustment frame is fixed on the bottom plate 710 of the adjustment frame.

The adjustment frame bearing seat 701 is fixed on the base, the tapered roller bearing II 702 is set on the inertia wheel adjustment frame screw 703, the adjustment frame screw bearing cover 705 is fixedly connected with the adjustment frame bearing seat 701, and the inertia wheel adjustment frame screw 703 is installed On the adjustment frame bearing seat 701, the adjustment frame sliding seat II 720 is installed on the inertia wheel adjustment frame screw 703, the adjustment frame bottom plate 710 is fixed on the adjustment frame sliding seat II 720, the fixed slide plate 708 is fixed on the adjustment frame bottom plate 710, the support arm Screw nut 709 is installed on the supporting arm leading screw 718 and is sleeved in the fixed slide plate 708 at the same time, the rear bearing seat 715 of the supporting arm leading screw and the front bearing seat 721 of the supporting arm leading screw are fixed on the adjustment frame base plate 710, and the supporting arm leading screw 718 is installed On the support arm leading screw rear bearing block 715 and the support arm leading screw front bearing block 721, the support arm leading screw sheath 717 is sleeved on the supporting arm leading screw 718, and the supporting arm leading screw rear bearing cover 716 is fixed on the supporting arm leading screw On the rear bearing seat 715, the adjustment support arm 707 is fixed on the support arm nut 709, the roller seat II 714 and the roller seat I 711 are fixed on the adjustment support arm 707, the roller shaft 704 is installed on the roller seat II 714 and the roller seat I 711, and the deep groove The ball bearing IV 706 is set on the roller shaft 704, the adjustment positioning pin 712 is installed on the adjustment support arm 707, the small knurled hand wheel 713 is installed on the adjustment positioning pin 712, and the adjustment frame low slider 719 is fixed on the adjustment frame base plate 710.

Referring to Fig. 12 and Fig. 13, the structure of base and shield 8 is that shield I 801, sensor seat 802, shield II 803, transmission shaft shield 805 are installed on base 804, DC motor 808 and belt tension block 810 are installed on motor On the base 809 , the motor pulley 807 is installed on the DC motor 808 , the transmission belt 806 is sleeved on the motor pulley 807 , and the pulley cover 811 is installed on the base 804 .

Claims (6)

1. Endurance test bench for automobile drive train assembly, characterized by: inertial shaft and brake part, brake shoe for braking, disc coupling, intelligent torque speed sensor for measuring torque and speed 1. Install the gearbox bracket and shaft connection of the gearbox, install the rear axle clamp of the rear axle of the car, the inertia wheel adjustment mechanism, and the pneumatic components are fixedly connected with the base and the shield respectively. 2. The automobile drive train assembly durability test bench according to claim 1, characterized in that the inertia wheel and the brake part are equipped with the following structure: the third inertia wheel is fixedly installed on the inertia shaft through a key, the fourth inertia wheel and the first inertia wheel It can be installed on both sides of the third inertia wheel respectively, the second inertia wheel is installed on the right side of the first inertia wheel, the deep groove ball bearing I and the deep groove ball bearing II are set on the inertial shaft, and the inertial shaft is installed on the lower bearing seat A and the lower bearing seat B Upper, the upper bearing seat A and the upper bearing seat B are fixed on the lower bearing seat A and the lower bearing seat B by screws, the bearing cap 1, the bearing cap 2, the inertia wheel fixing plate 1, and the inertia wheel fixing plate 2 are installed inside the two bearing seats , the brake disc sleeve is set on the inertia shaft, the bearing cap three is installed on the outer side of the bearing seat B, and is set on the brake disc as a sleeve. The bracket ears form the braking system, the bearing cover four is installed on the outside of the bearing seat A, the inertial shaft pulley is installed and fixed on the left side of the inertial shaft by a key, and the pulley baffle is installed at the end of the inertial shaft. 3. The durability test bench for the automobile powertrain assembly according to claim 1, characterized in that the structure of the transmission bracket and the connecting shaft part is: deep groove ball bearing III, the rear stop sleeve of the connecting shaft, and the front stop sleeve of the connecting shaft On the connecting shaft, the connecting shaft is placed on the lower bearing seat, and the upper bearing seat is connected with the lower bearing seat to fix the connecting shaft. At the rear end of the shaft, the clutch coupling plate and the retaining ring II of the shaft end are installed at the front end of the shaft, the tapered roller bearing I is set on the adjustment screw, the bearing seat of the adjustment frame is set on the tapered roller bearing I, and the bearing cover of the adjustment frame II and adjusting frame lead screw bearing caps are respectively installed on both sides of the adjusting frame bearing seat, and the gearbox support is installed on the sliding seat of the adjusting frame, together with the guide rail and the adjusting screw, the gearbox installation and adjustment system is formed. 4. The automobile powertrain assembly durability test bench according to claim 1, characterized in that the rear axle fixture structure is: the upper connecting plate of the input end support is installed on the input end support, and the input end support is installed on the input end support bottom plate It constitutes the support of the input end, the bottom plate of the input end bracket is installed on the base of the rear axle fixture, the output end fixed bracket I and the output end support frame II are respectively fixedly connected with the bracket slide plate, the connecting plate is fixedly connected with the output end fixed bracket I, and the U-shaped screw It is fixedly connected with the upper connection plate of the input end bracket, the output end fixed bracket I is fixedly connected with the output end fixed bracket II, and is fixedly connected with the bracket slide plate, the rear axle support is fixedly connected with the output end fixed bracket I, and the upper pressure plate is fixed with the output end fixed bracket II Connection, the sprocket is fixed on the sprocket shaft through the key installation, the sliding bearing rear end cover is installed on the end of the sprocket shaft, the sprocket shaft is installed on the sliding bearing body, the T-shaped slot is fixedly connected with the chain backing plate with a tight block, and the sliding bearing body Fixed on the bracket slide plate, the chain tension positioning block, the chain tension adjustment block, the chain tension sleeve are fixedly connected with the bracket slide plate, and the cushion block is installed between the bracket slide plate and the rear axle clamp base. 5. The endurance test bench for the automobile drive train assembly according to claim 1, characterized in that the bearing seat of the adjustment frame is fixed on the base, the tapered roller bearing II is set on the screw of the inertia wheel adjustment frame, and the screw bearing of the adjustment frame The cover is fixedly connected with the bearing seat of the adjusting frame, the screw of the adjusting frame of the inertia wheel is installed on the bearing seat of the adjusting frame, the sliding seat II of the adjusting frame is installed on the screw of the adjusting frame of the inertia wheel, the bottom plate of the adjusting frame is fixed on the sliding seat II of the adjusting frame, The fixed slide plate is fixed on the bottom plate of the adjustment frame, the nut of the support arm is installed on the screw of the support arm and sleeved in the fixed slide plate, the rear bearing seat of the lead screw of the support arm and the front bearing seat of the lead screw of the support arm are fixed on the bottom plate of the adjustment frame, supporting The arm screw is installed on the rear bearing seat of the support arm screw and the front bearing seat of the support arm screw, the sheath of the support arm screw is set on the support arm screw, and the rear bearing cover of the support arm screw is fixed behind the support arm screw On the bearing seat, the adjustment support arm is fixed on the support arm nut, the roller seat II and the roller seat I are fixed on the adjustment support arm, the roller shaft is installed on the roller seat II and the roller seat I, and the deep groove ball bearing IV is set on the roller shaft , the adjustment positioning pin is installed on the adjustment support arm, the small knurled hand wheel is installed on the adjustment positioning pin, and the lower slider of the adjustment frame is fixed on the bottom plate of the adjustment frame. 6. The endurance test bench for the automobile powertrain assembly according to claim 1, characterized in that the structure of the base and the shield is that the shield I, the sensor seat, the shield II, and the transmission shaft shield are installed on the base, and the DC motor 1. The belt tensioning block is installed on the motor base, the motor pulley is installed on the DC motor, the transmission belt is set on the motor pulley, and the pulley cover is installed on the base.

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