CN218481236U - Differential mechanism comprehensive test platform - Google Patents

Differential mechanism comprehensive test platform Download PDF

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Publication number
CN218481236U
CN218481236U CN202222536383.7U CN202222536383U CN218481236U CN 218481236 U CN218481236 U CN 218481236U CN 202222536383 U CN202222536383 U CN 202222536383U CN 218481236 U CN218481236 U CN 218481236U
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cast iron
clutch
differential
flywheel
inertia flywheel
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张琦
周瑞
吕建华
方道咏
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Huanyan Transmission Research Institute Jiaxing Co ltd
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Huanyan Transmission Research Institute Jiaxing Co ltd
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Abstract

The utility model relates to a differential mechanism test field discloses a differential mechanism combined test platform, including first cast iron platform and second cast iron platform, install drive arrangement and variable inertia flywheel device on the first cast iron platform, drive arrangement includes driving motor and first clutch, driving motor is connected with first clutch, first clutch is connected with variable inertia flywheel device, install the differential mechanism transfer box on the second cast iron platform, differential mechanism transfer box bilateral symmetry sets up 2 loading device and arresting gear, loading device includes loading motor and second clutch, loading motor is connected with the second clutch, the second clutch is connected with arresting gear. The utility model provides a differential mechanism comprehensive experiment platform switches different states through carrying out the experiment of difference, can accomplish each differential mechanism monomer test such as differential mechanism impact test, differential mechanism fatigue test, differential mechanism torque distribution test on a test bench, reduces test bench research and development cost.

Description

Differential mechanism comprehensive test platform
Technical Field
The utility model relates to a differential mechanism test field has especially related to a differential mechanism combined test platform.
Background
The automobile differential mechanism can realize a mechanism that left and right (or front and rear) driving wheels rotate at different rotating speeds, mainly comprises a left half axle gear, a right half axle gear, two planetary gears and a gear carrier, a differential mechanism test bed is used as a test tool for researching the performance of the differential mechanism, various working conditions of a vehicle can be simulated, and compared with a bench test and a real vehicle road test, the bench test has the advantages of no influence of external test conditions and environmental conditions, short test period, labor saving, high precision, high efficiency and the like.
The single differential test is rarely carried out, and the industrial standard is also few in the last two years. Because the technical limitation or the test condition and the equipment control means of part of test beds are difficult to realize, at present, the domestic differential test depends on the drive axle and the reducer to carry out the test integrally, even if the differential single test bed is developed, the test bed is only limited to a single-project test, compared with a comprehensive test bed capable of carrying out a plurality of tests, the test bed only carrying out a single test has high research and development manufacturing cost and weak applicability.
Application number CN202210326646.3 discloses a differential assembly impact torsion fatigue strength test bench, and the above patent can only carry out single fatigue strength test, and the application range of the test bench is small. In this application, the test bench is according to the type design of three motors, two braking, an inertia flywheel, collects drive, loading, braking, control by temperature change, signal acquisition in an organic whole, is the combined test bench that can carry out multinomial experiment.
SUMMERY OF THE UTILITY MODEL
The utility model discloses shortcoming to among the prior art provides a differential mechanism combined test platform.
In order to solve the technical problem, the utility model discloses a following technical scheme can solve:
the utility model provides a differential mechanism integrated test platform, including first cast iron platform and second cast iron platform, install drive arrangement and variable inertia flywheel device on the first cast iron platform, drive arrangement includes driving motor and first clutch, driving motor is connected with first clutch, first clutch is connected with variable inertia flywheel device, install the differential mechanism transfer box on the second cast iron platform, differential mechanism transfer box bilateral symmetry sets up 2 loading device and arresting gear, loading device includes loading motor and second clutch, loading motor is connected with the second clutch, the second clutch is connected with arresting gear. The drive end clutch, namely the first clutch, can be separated during impact, so that the damage of the impact to the drive motor is prevented; the loading motor simulates different road working conditions to apply torque, a second clutch used for connecting the two systems is arranged between the loading motor and the braking device, and the loading motor and the braking device are combined and separated according to different test requirements; the differential mechanism is tested in various ways by controlling the mutual conversion combination of the driving motor, the variable inertia flywheel device, the loading device and the braking device.
Preferably, the variable inertia flywheel device comprises a basic inertia flywheel and an adjustable inertia flywheel set, the adjustable inertia flywheel set is fixed on the basic inertia flywheel through a flywheel bolt, and flywheel spline shafts are arranged in the basic inertia flywheel and the adjustable inertia flywheel set in a penetrating mode. The variable inertia flywheel device can simulate vehicles with different qualities by increasing or decreasing the number of flywheel pieces,
preferably, one end of the flywheel spline shaft is connected with the first clutch, the other end of the flywheel spline shaft is connected with a first torque meter, the first torque meter is connected with a first transmission shaft, the first transmission shaft is connected with the differential mechanism transfer box, and a first transmission shaft protective cover is installed on the outer side of the first transmission shaft. The torque sensor is used for detecting the torque moment sensed by various rotating or non-rotating mechanical parts, converts the physical change of the torque force into an accurate electric signal, and has the advantages of high accuracy, quick frequency response, good reliability, long service life and the like.
Preferably, a flywheel shield and an inertial flywheel protection base are further arranged outside the basic inertial flywheel and the adjustable inertial flywheel set, and the flywheel shield is connected with the inertial flywheel protection base.
Preferably, the first cast iron platform and the second cast iron platform are further provided with 3 axial moving devices, and the 3 axial moving devices are respectively positioned at the bottom of the base of the driving device and the base of the variable inertia flywheel device and at the bottom of the base of the 2 loading devices and the base of the braking device.
Preferably, the axial moving device comprises a high-strength graphite copper plate, a moving guide adjusting seat and an axial adjusting mechanism, the high-strength graphite copper plate is respectively embedded into the bottoms of the base of the driving device and the variable inertia flywheel device and the bottoms of the base of the 2 loading devices and the base of the braking device, the moving guide adjusting seat is respectively arranged on the first cast iron platform and the second cast iron platform, and the axial adjusting mechanism is arranged on the moving guide adjusting seat. The high-strength graphite copper plate is good in wear-resisting lubricating property, a plurality of blocks are embedded at the bottom of a base of a driving device and a variable inertia flywheel device, and the bottom of bases of 2 loading devices and a braking device, so that the base can slide on a first cast iron platform and a second cast iron platform conveniently, a movable guide adjusting seat is fixed on the first cast iron platform and the second cast iron platform through bolts, a slide rail is arranged on the first cast iron platform and the second cast iron platform, a handle is shaken, the base is moved and driven on the slide rail on the cast iron platform through a lead screw, the driving device and the variable inertia flywheel device are adjusted by a movable axial adjusting mechanism, the 2 loading devices and the braking device are adjusted in an axial movement mode on the cast iron platform, the graphite copper plate is reliably matched with the corresponding position of the slide rail, the whole process is simple and convenient to operate, the next product for testing can be replaced after the testing is completed, and the testing efficiency is improved.
Preferably, the braking device comprises a brake caliper and a brake disc, one side of the brake disc is connected with the second clutch, the other side of the brake disc is connected with a second torque meter, the second torque meter is connected with a second transmission shaft, the second transmission shaft is connected with a differential mechanism junction box, a second transmission shaft protective cover is installed on the outer side of the second transmission shaft, and a brake protective cover is arranged on the outer sides of the brake caliper and the brake disc. The braking device simulates the actual arrangement state of the automobile and simulates the application of braking force under different working conditions.
Preferably, the second cast iron platform is further provided with a cooling device, the cooling device is located on the rear side of the differential transfer box and comprises a fan support, an adjusting support and a cooling fan, the fan support is connected with the adjusting support, and the adjusting support is connected with the cooling fan. The fan support is used for adjusting the angle along the central axis, the adjusting support is used for adjusting the pitching angle of the fan, and the cooling fan is used for cooling the junction box.
Preferably, the differential transfer case comprises a tested piece mounting cabin body for providing a lubricating and cooling environment, a loading end connecting spline flange for connecting a tested piece half shaft gear and a differential mounting flange for mounting and fixing a tested differential. The transfer box is used for fixing and cooling the tested differential, and different differentials only need to be replaced by corresponding tools and can adapt to differentials of different models.
Preferably, air spring shock cushions are mounted at the bottoms of the first cast iron platform and the second cast iron platform. The air spring shock pad can reduce vibration and noise generated in the operation of the device, and improve the detection precision, the service life and the operation experience of the whole test bed.
The utility model discloses owing to adopted above technical scheme, have apparent technological effect: in the application, a basic inertia flywheel is combined with an adjustable inertia flywheel set when an inertia impact test is carried out so as to adapt to the inertia acting force for simulating the translational mass of different-mass vehicle types during braking, and the inertia flywheel can be detached when the test without the inertia flywheel is carried out; when a similar impact test is carried out, in order to reduce impact damage to driving, a driving end clutch, namely a first clutch is arranged between a flywheel and a driving motor, the clutch is combined when energy is stored, and the clutch is separated when impact occurs; when the brake working condition is simulated, braking is carried out, and the braking device adopts a brake disc and a brake caliper for an automobile in a simulated manner, so that the braking condition is fully simulated; the loading motor carries out loading according to the set resistance working conditions required by different roads, and can simulate the working conditions of straight running and turning running of the left wheel and the right wheel; the second clutch between the loading motor and the braking device can be combined and disconnected with the two systems, and is used for realizing simulation tests of working conditions such as turning deceleration, straight-going deceleration and the like; in the application, the simulation of working conditions such as accelerated turning and accelerated straight running can be realized by combining the driving device, the braking device and the loading device. The utility model provides a differential mechanism comprehensive experiment platform switches different states through carrying out the experiment of difference, can accomplish each differential mechanism monomer test such as differential mechanism impact test, differential mechanism fatigue test, differential mechanism torque distribution test on a test bench, reduces test bench research and development cost.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a side view of fig. 1.
FIG. 3 is a schematic view of the structure of a first cast iron platform.
Fig. 4 is a schematic structural view of the variable inertia flywheel apparatus.
Fig. 5 is a schematic view showing the distribution of the high-strength graphite copper plate.
Fig. 6 is a schematic view of the structure of the braking device.
Fig. 7 is a schematic view of the structure of the cooling device.
Fig. 8 is a schematic view of the internal structure of the differential transfer case.
The names of the parts indicated by the numerical references in the above figures are as follows: wherein the content of the first and second substances, 1-a first cast iron platform, 2-a driving device, 201-a driving motor, 202-a first clutch, 3-an axial moving device, 301-a high-strength graphite copper plate, 302-a moving guide adjusting seat, 303-an axial adjusting mechanism, 4-a variable inertia flywheel device, 401-a basic inertia flywheel, 402-an inertia flywheel set capable of increasing and decreasing, 403-a flywheel bolt, 404-a flywheel spline shaft, 405-a flywheel shield, 406-an inertia flywheel protecting base, 5-a second cast iron platform, 6-a braking device, 601-a brake caliper, 602-a brake disc, 7-a differential transfer box, 701-a tested piece mounting cabin, 702-a loading end connecting spline flange, a differential mounting flange, 8-a cooling device, 801-a fan bracket, 802-an adjusting bracket, 803-a cooling fan, 9-an air spring cushion, 10-a loading device, 1001-a loading motor, 1002-a second clutch, 11-a first torquemeter, 12-a first transmission shaft, 13-a first transmission shaft shield, 14-a second torquemeter, 15-a second transmission shaft, 16-a second transmission shaft, and a second shield 17.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Example 1
A differential comprehensive test bed is shown in figures 1-8 and comprises a first cast iron platform 1 and a second cast iron platform 5, wherein a driving device 2 and a variable inertia flywheel device 4 are installed on the first cast iron platform 1, the driving device 2 comprises a driving motor 201 and a first clutch 202, the driving motor 201 is connected with the first clutch 202, the first clutch 202 is connected with the variable inertia flywheel device 4, a differential transfer box 7 is installed on the second cast iron platform 5, 2 loading devices 10 and a braking device 6 are symmetrically arranged on two sides of the differential transfer box 7, each loading device 10 comprises a loading motor 1001 and a second clutch 1002, the loading motors 1001 are connected with the second clutch 1002, and the second clutch 1002 is connected with the braking device 6. The drive end clutch, namely the first clutch 202, can be separated during impact, so that the damage to the drive motor 201 caused by the impact is prevented; the loading motor 1001 simulates different road working conditions to apply torque, a second clutch 1002 for connecting two systems is arranged between the loading motor 1001 and the braking device 6, and the loading motor 1001 and the braking device are combined and separated according to different test requirements; through controlling the mutual conversion combination of the driving motor 201, the variable inertia flywheel device 4, the loading device 10 and the braking device 6, various tests of the differential are completed.
The variable inertia flywheel device 4 includes a basic inertia flywheel 401 and an adjustable inertia flywheel set 402, the adjustable inertia flywheel set 402 is fixed on the basic inertia flywheel 401 through a flywheel bolt 403, and a flywheel spline shaft 404 is inserted into the basic inertia flywheel 401 and the adjustable inertia flywheel set 402. The variable inertia flywheel apparatus 4 can simulate vehicles of different qualities by increasing or decreasing the number of flywheel pieces,
one end of the flywheel spline shaft 404 is connected with the first clutch 202, the other end of the flywheel spline shaft 404 is connected with the first torque meter 11, the first torque meter 11 is connected with the first transmission shaft 12, the first transmission shaft 12 is connected with the differential transfer box 7, and the first transmission shaft protective cover 13 is installed on the outer side of the first transmission shaft 12. The torque sensor is used for detecting the torque moment sensed by various rotating or non-rotating mechanical parts, converts the physical change of the torque force into an accurate electric signal, and has the advantages of high accuracy, quick frequency response, good reliability, long service life and the like.
A flywheel shield 405 and an inertial flywheel protection base 406 are further arranged outside the basic inertial flywheel 401 and the adjustable inertial flywheel set 402, and the flywheel shield 405 is connected with the inertial flywheel protection base 406.
The first cast iron platform 1 and the second cast iron platform 5 are also provided with 3 axial moving devices 3,3, and the axial moving devices 3 are respectively positioned at the bottoms of the bases of the driving device 2 and the variable inertia flywheel device 4, and at the bottoms of the bases of the 2 loading devices 10 and the braking device 6.
The axial moving device 3 comprises a high-strength graphite copper plate 301, a moving guide adjusting seat 302 and an axial adjusting mechanism 303, the high-strength graphite copper plate 301 is respectively embedded into the bottoms of the bases of the driving device 2 and the variable inertia flywheel device 4 and the bottoms of the bases of the 2 loading devices 10 and the braking device 6, the moving guide adjusting seat 302 is respectively arranged on the first cast iron platform 1 and the second cast iron platform 5, and the axial adjusting mechanism 303 is arranged on the moving guide adjusting seat 302. The high-strength graphite copper plate 301 is good in wear-resisting lubricating property, a plurality of blocks are embedded at the bottoms of the bases of the driving device 2 and the variable inertia flywheel device 4, the bottoms of the bases of the 2 loading devices 10 and the braking device 6 are convenient for the bases to slide on the first cast iron platform 1 and the second cast iron platform 5, the movable guide adjusting seat 302 is fixed on the first cast iron platform 1 and the second cast iron platform 5 through bolts, slide rails are arranged on the first cast iron platform 1 and the second cast iron platform 5, a handle is shaken, the bases are moved and driven to move on the slide rails on the cast iron platforms through lead screws, the driving device 2, the variable inertia flywheel device 4, the 2 loading devices 10 and the braking device 6 are axially moved and adjusted on the cast iron platforms through the movable axial adjusting mechanism 303, the corresponding positions of the graphite copper plate and the slide rails are reliably matched, the whole process is simple and convenient to operate, a next product to be conveniently replaced after testing is completed, and the testing efficiency is improved.
The braking device 6 comprises a brake caliper 601 and a brake disc 602, one side of the brake disc 602 is connected with the second clutch 1002, the other side of the brake disc 602 is connected with a second torque meter 14, the second torque meter 14 is connected with a second transmission shaft 15, the second transmission shaft 15 is connected with the differential transfer box 7, a second transmission shaft protective cover 16 is installed on the outer side of the second transmission shaft 15, and a brake protective cover 17 is arranged on the outer sides of the brake caliper 601 and the brake disc 602. The braking device 6 simulates the actual arrangement state of the automobile and simulates the application of braking force under different working conditions.
The second cast iron platform 5 is further provided with a cooling device 8, the cooling device 8 is located on the rear side of the differential transfer box 7, the cooling device 8 comprises a fan support 801, an adjusting support 802 and a cooling fan 803, the fan support 801 is connected with the adjusting support 802, and the adjusting support 802 is connected with the cooling fan 803. Fan support 801 is used for along axis angle of adjustment, and adjustment support 802 is used for adjusting fan every single move angle, and cooling blower 803 is used for cooling the connection box.
The differential transfer case 7 comprises a tested piece mounting cabin 701 for providing a lubricating and cooling environment, a loading end connecting spline flange 702 for connecting a tested piece half shaft gear and a differential mounting flange 703 for mounting and fixing a tested differential. The transfer box is used for fixing and cooling the tested differential, and different differentials only need to be replaced by corresponding tools and can adapt to differentials of different models.
And air spring shock pads 9 are arranged at the bottoms of the first cast iron platform 1 and the second cast iron platform 5. The air spring vibration cushion 9 can reduce vibration and noise generated in the operation of the device, and improve the detection precision, the service life and the operation experience of the whole test bed.
The working principle is as follows: in the application, a basic inertia flywheel 401 is combined with an inertia flywheel set 402 which can be increased and decreased during an inertia impact test so as to adapt to the inertia acting force for simulating the translational mass of different mass vehicle types during braking, and the inertia flywheel can be detached during a test without the inertia flywheel; when a similar impact test is carried out, in order to reduce impact damage to driving, a driving end clutch, namely a first clutch 202 is arranged between a flywheel and a driving motor 201, the clutch is combined when energy is stored, and the clutch is separated when impact occurs; when the brake working condition is simulated, the brake is carried out, and the brake device 6 simulates a brake disc and a brake caliper for an automobile, so that the brake condition is fully simulated; the loading motor 1001 carries out loading according to set resistance working conditions required by different roads, and can simulate the working conditions of straight running and turning running of left and right wheels; the second clutch 1002 between the loading motor 1001 and the braking device 6 can be combined to disconnect the connection of the two systems, and is used for realizing simulation tests of working conditions such as turning deceleration, straight-going deceleration and the like; in the application, the simulation of working conditions such as accelerated turning and accelerated straight running can be realized by combining the driving device 2, the braking device 6 and the loading device 10. The utility model provides a differential mechanism comprehensive experiment platform switches different states through carrying out the experiment of difference, can accomplish each differential mechanism monomer test such as differential mechanism impact test, differential mechanism fatigue test, differential mechanism torque distribution test on a test bench, reduces test bench research and development cost.
Example 2
A differential comprehensive test bed is shown in figure 1 and comprises a first cast iron platform 1 and a second cast iron platform 5, wherein a driving device 2 and a variable inertia flywheel device 4 are installed on the first cast iron platform 1, the driving device 2 comprises a driving motor 201 and a first clutch 202, the driving motor 201 is connected with the first clutch 202, the first clutch 202 is connected with the variable inertia flywheel device 4, a differential transfer box 7 is installed on the second cast iron platform 5, 2 loading devices 10 and a braking device 6 are symmetrically arranged on two sides of the differential transfer box 7, each loading device 10 comprises a loading motor 1001 and a second clutch 1002, each loading motor 1001 is connected with the second clutch 1002, and each second clutch 1002 is connected with the braking device 6. The drive end clutch, namely the first clutch 202, can be separated during impact, so that the drive motor 201 is prevented from being damaged by the impact; the loading motor 1001 simulates different road working conditions to apply torque, a second clutch 1002 for connecting two systems is arranged between the loading motor 1001 and the braking device 6, and the loading motor 1001 and the braking device are combined and separated according to different test requirements; through controlling the mutual conversion combination of the driving motor 201, the variable inertia flywheel device 4, the loading device 10 and the braking device 6, various tests of the differential are completed.
Example 3
A differential comprehensive test bed is shown in figures 1-6 and comprises a first cast iron platform 1 and a second cast iron platform 5, wherein a driving device 2 and a variable inertia flywheel device 4 are installed on the first cast iron platform 1, the driving device 2 comprises a driving motor 201 and a first clutch 202, the driving motor 201 is connected with the first clutch 202, the first clutch 202 is connected with the variable inertia flywheel device 4, a differential transfer box 7 is installed on the second cast iron platform 5, 2 loading devices 10 and a braking device 6 are symmetrically arranged on two sides of the differential transfer box 7, each loading device 10 comprises a loading motor 1001 and a second clutch 1002, the loading motors 1001 are connected with the second clutch 1002, and the second clutch 1002 is connected with the braking device 6. The drive end clutch, namely the first clutch 202, can be separated during impact, so that the damage to the drive motor 201 caused by the impact is prevented; the loading motor 1001 simulates different road working conditions to apply torque, a second clutch 1002 for connecting two systems is arranged between the loading motor 1001 and the braking device 6, and the loading motor 1001 and the braking device are combined and separated according to different test requirements; through controlling the mutual conversion combination of the driving motor 201, the variable inertia flywheel device 4, the loading device 10 and the braking device 6, various tests of the differential are completed.
The variable inertia flywheel device 4 includes a basic inertia flywheel 401 and an adjustable inertia flywheel set 402, the adjustable inertia flywheel set 402 is fixed on the basic inertia flywheel 401 through a flywheel bolt 403, and a flywheel spline shaft 404 is inserted into the basic inertia flywheel 401 and the adjustable inertia flywheel set 402. The variable inertia flywheel apparatus 4 can simulate vehicles of different qualities by increasing or decreasing the number of flywheel pieces,
one end of the flywheel spline shaft 404 is connected with the first clutch 202, the other end of the flywheel spline shaft 404 is connected with the first torque meter 11, the first torque meter 11 is connected with the first transmission shaft 12, the first transmission shaft 12 is connected with the differential transfer box 7, and the first transmission shaft protective cover 13 is installed on the outer side of the first transmission shaft 12. The torque sensor is used for detecting the torque moment sensed by various rotating or non-rotating mechanical parts, converts the physical change of the torque force into an accurate electric signal, and has the advantages of high accuracy, quick frequency response, good reliability, long service life and the like.
A flywheel shield 405 and an inertia flywheel protection base 406 are further arranged outside the base inertia flywheel 401 and the adjustable inertia flywheel set 402, and the flywheel shield 405 is connected with the inertia flywheel protection base 406.
The first cast iron platform 1 and the second cast iron platform 5 are also provided with 3 axial moving devices 3,3, and the axial moving devices 3 are respectively positioned at the bottoms of the bases of the driving device 2 and the variable inertia flywheel device 4, and at the bottoms of the bases of the 2 loading devices 10 and the braking device 6.
The axial moving device 3 comprises a high-strength graphite copper plate 301, a moving guide adjusting seat 302 and an axial adjusting mechanism 303, the high-strength graphite copper plate 301 is respectively embedded into the bottoms of the bases of the driving device 2 and the variable inertia flywheel device 4 and the bottoms of the bases of the 2 loading devices 10 and the braking device 6, the moving guide adjusting seat 302 is respectively arranged on the first cast iron platform 1 and the second cast iron platform 5, and the axial adjusting mechanism 303 is arranged on the moving guide adjusting seat 302. The high-strength graphite copper plate 301 is good in wear-resisting lubricating property, a plurality of blocks are embedded at the bottoms of the bases of the driving device 2 and the variable inertia flywheel device 4, the bottoms of the bases of the 2 loading devices 10 and the braking device 6 are convenient for the bases to slide on the first cast iron platform 1 and the second cast iron platform 5, the movable guide adjusting seat 302 is fixed on the first cast iron platform 1 and the second cast iron platform 5 through bolts, slide rails are arranged on the first cast iron platform 1 and the second cast iron platform 5, a handle is shaken, the bases are moved and driven to move on the slide rails on the cast iron platforms through lead screws, the driving device 2, the variable inertia flywheel device 4, the 2 loading devices 10 and the braking device 6 are axially moved and adjusted on the cast iron platforms through the movable axial adjusting mechanism 303, the corresponding positions of the graphite copper plate and the slide rails are reliably matched, the whole process is simple and convenient to operate, a next product to be conveniently replaced after testing is completed, and the testing efficiency is improved.
The braking device 6 comprises a brake caliper 601 and a brake disc 602, one side of the brake disc 602 is connected with the second clutch 1002, the other side of the brake disc 602 is connected with a second torque meter 14, the second torque meter 14 is connected with a second transmission shaft 15, the second transmission shaft 15 is connected with the differential adapter box 7, a second transmission shaft protective cover 16 is installed on the outer side of the second transmission shaft 15, and a brake protective cover 17 is arranged on the outer sides of the brake caliper 601 and the brake disc 602. The braking device 6 simulates the actual arrangement state of the automobile and simulates the application of braking force under different working conditions.

Claims (10)

1. The utility model provides a differential mechanism combined test platform, includes first cast iron platform (1) and second cast iron platform (5), its characterized in that: install drive arrangement (2) and variable inertia flywheel gear (4) on first cast iron platform (1), drive arrangement (2) are including driving motor (201) and first clutch (202), driving motor (201) are connected with first clutch (202), first clutch (202) are connected with variable inertia flywheel gear (4), install differential mechanism adapter box (7) on second cast iron platform (5), differential mechanism adapter box (7) bilateral symmetry sets up 2 loading device (10) and arresting gear (6), loading device (10) are including loading motor (1001) and second clutch (1002), loading motor (1001) are connected with second clutch (1002), second clutch (1002) are connected with arresting gear (6).
2. The differential integrity test stand of claim 1, wherein: the variable inertia flywheel device (4) comprises a basic inertia flywheel (401) and an adjustable inertia flywheel set (402), the adjustable inertia flywheel set (402) is fixed on the basic inertia flywheel (401) through a flywheel bolt (403), and flywheel spline shafts (404) are arranged in the basic inertia flywheel (401) and the adjustable inertia flywheel set (402) in a penetrating mode.
3. The differential integrity test stand of claim 2, wherein: flywheel integral key shaft (404) one end is connected with first clutch (202), and flywheel integral key shaft (404) other end is connected with first torque appearance (11), and first torque appearance (11) are connected with first transmission shaft (12), and first transmission shaft (12) are connected with differential mechanism transfer box (7), and first transmission shaft protection casing (13) are installed to first transmission shaft (12) outside.
4. The differential integrity test stand of claim 2, wherein: a flywheel shield (405) and an inertia flywheel protection base (406) are further arranged outside the basic inertia flywheel (401) and the inertia flywheel set (402), and the flywheel shield (405) is connected with the inertia flywheel protection base (406).
5. The differential integration test stand of claim 1, wherein: and the first cast iron platform (1) and the second cast iron platform (5) are also provided with 3 axial moving devices (3), and the 3 axial moving devices (3) are respectively positioned at the bottoms of the bases of the driving device (2) and the variable inertia flywheel device (4), and at the bottoms of the bases of the 2 loading devices (10) and the braking device (6).
6. The differential integrity test stand of claim 5, wherein: the axial moving device (3) comprises a high-strength graphite copper plate (301), a moving guide adjusting seat (302) and an axial adjusting mechanism (303), the high-strength graphite copper plate (301) is respectively embedded into the base bottoms of the driving device (2) and the variable inertia flywheel device (4), the base bottoms of the 2 loading devices (10) and the braking device (6), the moving guide adjusting seat (302) is respectively arranged on the first cast iron platform (1) and the second cast iron platform (5), and the axial adjusting mechanism (303) is arranged on the moving guide adjusting seat (302).
7. The differential integration test stand of claim 1, wherein: braking device (6) are connected with second clutch (1002) including braking pincers (601) and brake disc (602), brake disc (602) one side, brake disc (602) opposite side is connected with second torque meter (14), second torque meter (14) are connected with second transmission shaft (15), second transmission shaft (15) are connected with differential mechanism adapter box (7), second transmission shaft protection casing (16) are installed in second transmission shaft (15) outside, braking pincers (601) and brake disc (602) outside are equipped with brake protection casing (17).
8. The differential integrity test stand of claim 1, wherein: still be equipped with cooling device (8) on second cast iron platform (5), cooling device (8) are located the rear side of differential mechanism transfer box (7), and cooling device (8) include fan support (801), adjustment support (802) and cooling blower (803), and fan support (801) are connected with adjustment support (802), and adjustment support (802) are connected with cooling blower (803).
9. The differential integrity test stand of claim 1, wherein: the differential transfer box (7) comprises a tested piece mounting cabin body (701) for providing a lubricating and cooling environment, a loading end connecting spline flange (702) for connecting a tested piece half shaft gear and a differential mounting flange (703) for mounting and fixing a tested differential.
10. The differential integration test stand of claim 1, wherein: and air spring shock pads (9) are arranged at the bottoms of the first cast iron platform (1) and the second cast iron platform (5).
CN202222536383.7U 2022-09-23 2022-09-23 Differential mechanism comprehensive test platform Active CN218481236U (en)

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Application Number Priority Date Filing Date Title
CN202222536383.7U CN218481236U (en) 2022-09-23 2022-09-23 Differential mechanism comprehensive test platform

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222536383.7U CN218481236U (en) 2022-09-23 2022-09-23 Differential mechanism comprehensive test platform

Publications (1)

Publication Number Publication Date
CN218481236U true CN218481236U (en) 2023-02-14

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Application Number Title Priority Date Filing Date
CN202222536383.7U Active CN218481236U (en) 2022-09-23 2022-09-23 Differential mechanism comprehensive test platform

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CN (1) CN218481236U (en)

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