CN113218656A - Experiment bench for testing dynamic performance of new energy power assembly differential mechanism - Google Patents
Experiment bench for testing dynamic performance of new energy power assembly differential mechanism Download PDFInfo
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- CN113218656A CN113218656A CN202110517703.1A CN202110517703A CN113218656A CN 113218656 A CN113218656 A CN 113218656A CN 202110517703 A CN202110517703 A CN 202110517703A CN 113218656 A CN113218656 A CN 113218656A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/02—Gearings; Transmission mechanisms
- G01M13/025—Test-benches with rotational drive means and loading means; Load or drive simulation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N39/00—Arrangements for conditioning of lubricants in the lubricating system
- F16N39/02—Arrangements for conditioning of lubricants in the lubricating system by cooling
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
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Abstract
The invention relates to the technical field of differential testing equipment, and discloses an experiment bench for testing dynamic performance of a new energy power assembly differential. This experiment rack is used in new forms of energy power assembly differential mechanism dynamic behavior test, can realize that differential mechanism is automatic fixed and transport on new forms of energy power assembly differential mechanism dynamic behavior test experiment rack, and can stabilize fixedly, the efficiency and the reliability of differential mechanism kinetic energy test have not only been improved, can also reduce staff's intensity of labour, and improve the convenience of differential mechanism kinetic energy test, and ensure differential mechanism dynamic test's effect, make new forms of energy power assembly differential mechanism dynamic behavior test experiment rack have lubricating oil temperature regulatory function simultaneously, the lubricating oil temperature is appropriate in the differential mechanism of guarantee dynamic test, and then the accuracy of differential mechanism dynamic test data has been improved.
Description
Technical Field
The invention relates to the technical field of differential testing equipment, in particular to an experimental bench for testing dynamic performance of a new energy power assembly differential.
Background
The differential assembly is used as a key part of a power assembly, has great influence on the performance of the whole vehicle, the design and the manufacture of the differential assembly of the traditional vehicle are relatively mature, the problems occurring in the using process are fewer, at present, China vigorously develops the new energy automobile industry, especially the pure electric automobile industry, the differential assembly of the pure electric automobile is mainly designed and manufactured according to the differential assembly of the traditional vehicle, but the power assembly of the electric automobile is greatly different from the traditional vehicle, the working characteristics of a motor are different from the characteristics of an engine, the matching modes of a speed reducer and a speed changer and the speed changer are different, along with the popularization and the popularization of the electric automobile, the differential assembly also exposes more and more problems, becomes the weakest link in the power assembly system, the test requirement is extremely vigorous, and the test resources and means of the differential assembly in China are deficient, there is also no unified and complete differential assembly testing method, and the differential assembly testing capability is generally established by upgrading and reconstructing the existing assembly rack and hydraulic servo system.
At present, the experiment bench for testing the dynamic performance of the new energy power assembly differential is manually fixed mostly for fixing the differential, but the manual fixing process is complicated, the fixing stability is poor, the efficiency and the reliability of the dynamic performance test of the differential are influenced, the labor intensity of workers is increased, the existing experiment bench for testing the dynamic performance of the new energy power assembly differential does not have the function of cooling lubricating oil for testing the differential, the differential is easily influenced by other factors, and the accuracy of the data of the dynamic performance test of the differential is influenced.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides an experimental bench for testing the dynamic performance of a differential of a new energy power assembly, which can realize the automatic fixation and stable fixation of the differential on the experimental bench for testing the dynamic performance of the differential of the new energy power assembly, saves time and labor in the fixation process, not only improves the efficiency and reliability of the dynamic testing of the differential, but also can reduce the labor intensity of workers and ensure the dynamic testing effect of the differential, simultaneously ensures that the experimental bench for testing the dynamic performance of the differential of the new energy power assembly has the function of adjusting the temperature of lubricating oil, ensures that the temperature of the lubricating oil in the dynamically tested differential is proper, further improves the accuracy of dynamic testing data of the differential, solves the problems that the experimental bench for testing the dynamic performance of the differential of the new energy power assembly is complicated in the fixation process of the differential and has poor stability of fixation, the efficiency and the reliability of the differential dynamic performance test are influenced, the labor intensity of workers is increased, the existing experiment bench for the new energy power assembly differential dynamic performance test does not have the function of cooling lubricating oil for the differential test, the differential is easily influenced by other factors, and the accuracy of the differential dynamic performance test data is influenced.
(II) technical scheme
In order to realize the purposes that the differential mechanism can be automatically fixed and can be stably fixed in the experiment bench for the dynamic performance test of the new energy power assembly differential mechanism, the time and labor are saved in the fixing process, the efficiency and the reliability of the dynamic performance test of the differential mechanism are improved, the labor intensity of workers can be reduced, the dynamic test effect of the differential mechanism is guaranteed, meanwhile, the experiment bench for the dynamic performance test of the new energy power assembly differential mechanism has the lubricating oil temperature adjusting function, the temperature of lubricating oil in the dynamically tested differential mechanism is guaranteed to be proper, and the accuracy of the dynamic test data of the differential mechanism is improved, the invention provides the following technical scheme: the utility model provides an experiment bench for new forms of energy power assembly differential mechanism dynamic behavior test, includes test bench, input dynamometer machine and two load dynamometer machines, the lower fixed surface of test bench is connected with a plurality of supporting legs, the through-hole of two sets of symmetric distributions is seted up to the upper surface of test bench, and the pore wall fixedly connected with antifriction bearing of through-hole, every group two the common fixedly connected with fixed establishment of antifriction bearing's inner wall, the last fixed surface of test bench is connected with drive mechanism, the last fixed surface edge fixedly connected with lubricating oil temperature adjustment mechanism of test bench, the first helical gear of output fixedly connected with of input dynamometer machine, two the equal fixedly connected with first shaft coupling of link of load dynamometer machine.
Preferably, the fixed establishment include with antifriction bearing inner wall fixed connection's a screw thread section of thick bamboo, the inner wall threaded connection of a screw thread section of thick bamboo has the screw rod, two the common fixedly connected with arc in top of screw rod, the lower fixed surface of test bench is connected with the U-shaped board, the inner wall fixedly connected with driving motor of U-shaped board, driving motor's the first gear of output fixedly connected with, two the equal fixedly connected with second gear of outer wall of a screw thread section of thick bamboo, two the outer wall of second gear all with the outer wall intermeshing of first gear, two U-shaped of the last fixed surface of test bench keep off the frame and the arc is placed the seat.
Preferably, the transmission mechanism comprises two bearing blocks fixedly connected with the upper surface of the test bed, the inner walls of the two bearing blocks are fixedly connected with a rotating rod together, the outer side end of the rotating rod is fixedly connected with a second bevel gear, the outer wall of the second bevel gear is vertically meshed with the outer wall of the first bevel gear, the outer wall of the inner side end of the rotating rod is movably sleeved with a connecting sleeve, the inner wall of the connecting sleeve is fixedly connected with two limiting blocks, the rod wall of the rotating rod is provided with two moving grooves matched with the limiting blocks, one end of the connecting sleeve far away from the rotating rod is fixedly connected with a second coupler, the upper surface of the test bed is fixedly connected with a speed reducing motor, the output end of the speed reducing motor is fixedly connected with a connecting gear, the rod wall of the rotating rod is fixedly sleeved with a transmission gear, and the outer wall of the transmission gear is meshed with the outer wall of the connecting gear.
Preferably, lubricating oil temperature regulation mechanism includes cooler bin, circulating pump and the oil tank be connected with fixed surface on the test bench, fixing hole has been seted up to the lateral wall of cooler bin, and fixing hole's pore wall fixedly connected with cooling arrangement, two mounting hole, two have been seted up to the outer wall of cooler bin the pore wall difference fixedly connected with temperature control panel and the temperature sensor of mounting hole, the output fixedly connected with feed liquor tubular metal resonator of circulating pump, the input of circulating pump and the fixed intercommunication in import of oil tank, the fixed intercommunication in play liquid hole of oil tank has a play liquid tubular metal resonator, the both sides of cooler bin are all passed to the output of feed liquor tubular metal resonator and play liquid tubular metal resonator.
Preferably, the inner walls of the two arc-shaped plates are fixedly connected with rubber pads, and the center positions of the two arc-shaped plates are located on the same horizontal axis.
Preferably, the upper surface of the test bed is fixedly connected with a computer and a touch display.
Preferably, a connecting through hole is formed in the upper surface of the oil tank, a hopper is fixedly connected to the hole wall of the connecting through hole, threads are formed in the inner wall of the hopper, and a sealing plug is connected to the inner wall of the hopper in a threaded manner.
Preferably, the side wall of the test bed is fixedly connected with a crane.
Preferably, the outer wall of the cooling box is fixedly communicated with a connecting pipe, the side end of the connecting pipe is fixedly communicated with an outer cover, the outer wall of the outer cover is fixedly connected with a blower, and the lower surface of the blower is fixedly connected with the upper surface of the test bed.
(III) advantageous effects
Compared with the prior art, the invention provides an experimental bench for testing the dynamic performance of a differential of a new energy power assembly, which has the following beneficial effects:
1. the experiment bench for testing the dynamic performance of the differential mechanism of the new energy power assembly is provided with the transmission mechanism and the fixing mechanism, when the differential mechanism needs to be fixed for testing the dynamic performance, firstly, the differential mechanism is placed on the arc-shaped placing seat of the experiment bench, the differential mechanism is positioned in the U-shaped baffle frame, then, the driving motor is started, the driving motor enables the threaded cylinder to rotate through the first gear and the second gear, the threaded cylinder rotates to enable the screw rod to move downwards, then the screw rod drives the arc-shaped plate to move downwards to extrude and fix the differential mechanism, the differential mechanism is fixed without manual work, time and labor are saved, then, the half shaft of the differential mechanism is connected with the load dynamometer through the first coupler, the differential mechanism main shaft is connected with the connecting sleeve of the transmission mechanism through the second coupler, the connecting sleeve can be connected with differential mechanism main shafts with different sizes through the movement of the limiting block and the moving groove, and the practicability of the experiment bench is improved, the input dynamometer and the load dynamometer are started, the input dynamometer enables the rotating rod to rotate through the first helical gear and the second helical gear, the rotating rod rotates through the connecting sleeve and the second coupler to enable the differential mechanism to simulate the working state, the speed reduction motor, the transmission gear and the connecting gear can simulate the state of the differential mechanism in the braking working state, the comprehensiveness of the dynamic performance test of the differential mechanism is improved, meanwhile, data input into the dynamometer and the load dynamometer enter a computer through a lead, and are displayed through a touch display after the statistics and calculation of the computer, the mechanism can realize the automatic fixation of the differential mechanism on a new energy power assembly differential mechanism dynamic performance test experiment bench, the differential mechanism can be stably fixed, the time and labor are saved in the fixation process, the efficiency and the reliability of the dynamic performance test of the differential mechanism are improved, and the labor intensity of workers can be reduced.
2. When the differential is tested on the experiment bench for testing the dynamic performance of the differential of the new energy power assembly, the liquid inlet metal pipe is connected with the lubricating oil inlet of the differential, the liquid outlet metal pipe is connected with the lubricating oil outlet of the differential, the temperature of the lubricating oil can be increased when the differential works, the high-temperature lubricating oil can effectively test the accuracy of the kinetic energy of the differential, the circulating pump is started at the moment, the circulating pump pumps out the lubricating oil in the differential through the liquid outlet metal pipe and starts the refrigeration equipment, the temperature in the cooling box is reduced by the refrigeration equipment, the high-temperature lubricating oil is cooled when passing through the liquid outlet metal pipe and the cooling box, and the cooled lubricating oil enters the differential again through the oil tank, the circulating pump and the liquid inlet metal pipe for continuous use, the temperature of lubricating oil is suitable in the guarantee differential mechanism, and the temperature carries out control regulation through temperature sensor and temperature control panel in the cooling box, and this mechanism makes new forms of energy power assembly differential mechanism dynamic behavior test experiment rack have lubricating oil temperature regulation function, and the lubricating oil temperature is appropriate in the differential mechanism of guarantee dynamic test, and then has improved the accuracy of differential mechanism dynamic test data.
Drawings
FIG. 1 is a schematic structural diagram of an experimental bench for testing dynamic performance of a differential of a new energy power assembly according to the present invention, which is seen from above;
FIG. 2 is a schematic structural diagram of an experiment bench A part for testing dynamic performance of a new energy power assembly differential mechanism, provided by the invention;
FIG. 3 is a schematic structural diagram of an experiment bench B part for testing dynamic performance of a new energy power assembly differential mechanism, provided by the invention;
fig. 4 is a schematic structural diagram of a partial side view of an experimental bench for testing dynamic performance of a new energy power assembly differential provided by the invention.
In the figure: 1 test bed, 2 input dynamometer, 3 load dynamometer, 4 support legs, 5 first bevel gear, 6 first coupler, 7 fixing mechanism, 71 threaded cylinder, 72 screw, 73 arc plate, 74U-shaped plate, 75 driving motor, 76 first gear, 77 second gear, 78U-shaped baffle frame, 79 arc placing seat, 8 transmission mechanism, 81 bearing seat, 82 rotating rod, 83 second bevel gear, 84 connecting sleeve, 85 limiting block, 86 moving groove, 87 second coupler, 88 speed reducing motor, 89 connecting gear, 810 transmission gear, 9 lubricating oil temperature adjusting mechanism, 91 cooling box, 92 circulating pump, 93 oil tank, 94 cooling device, 95 temperature control panel, 96 temperature sensor, 97 liquid inlet metal pipe, 98 liquid outlet metal pipe, 10 rolling bearing, 11 rubber pad, 12 touch display, 13 computer, 14 hopper, 15 sealing plug, 16 crane, 17 connecting pipe, 18 housing, 19 blower.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1-4, an experiment bench for testing dynamic performance of a new energy power assembly differential mechanism comprises a test bench 1, an input dynamometer 2 and two load dynamometers 3, wherein a plurality of supporting legs 4 are fixedly connected to the lower surface of the test bench 1, two groups of through holes are symmetrically distributed on the upper surface of the test bench 1, rolling bearings 10 are fixedly connected to the hole walls of the through holes, a fixing mechanism 7 is fixedly connected to the inner walls of the two rolling bearings 10 in each group, a transmission mechanism 8 is fixedly connected to the upper surface of the test bench 1, a lubricating oil temperature adjusting mechanism 9 is fixedly connected to the edge of the upper surface of the test bench 1, a first helical gear 5 is fixedly connected to the output end of the input dynamometer 2, and a first coupler 6 is fixedly connected to the connecting ends of the two load dynamometers 3.
The transmission mechanism 8 comprises two bearing seats 81 fixedly connected with the upper surface of the test bed 1, the inner walls of the two bearing seats 81 are fixedly connected with a rotating rod 82 together, the outer side end of the rotating rod 82 is fixedly connected with a second helical gear 83, the outer wall of the second helical gear 83 is vertically meshed with the outer wall of a first helical gear 5, the outer wall of the inner side end of the rotating rod 82 is movably sleeved with a connecting sleeve 84, the inner wall of the connecting sleeve 84 is fixedly connected with two limiting blocks 85, two moving grooves 86 matched with the limiting blocks 85 are formed in the rod wall of the rotating rod 82, one end, far away from the rotating rod 82, of the connecting sleeve 84 is fixedly connected with a second coupler 87, the upper surface of the test bed 1 is fixedly connected with a speed reducing motor 88, the output end of the speed reducing motor 88 is fixedly connected with a connecting gear 89, a transmission gear 810 is fixedly sleeved on the rod wall of the rotating rod 82, the outer wall of the transmission gear 810 is mutually meshed with the outer wall of the connecting gear 89, and the mechanism can realize that the differential is arranged on the test bed for testing the dynamic performance of the new energy power assembly differential The automatic fixing device is automatic in fixing, can be stably fixed, saves time and labor in the fixing process, improves the efficiency and reliability of the differential kinetic energy test, can reduce the labor intensity of workers, and ensures the dynamic test effect of the differential.
The lubricating oil temperature adjusting mechanism 9 comprises a cooling box 91 fixedly connected with the upper surface of the test bed 1, a circulating pump 92 and an oil tank 93, a fixing through hole is formed in the side wall of the cooling box 91, cooling equipment 94 is fixedly connected with the hole wall of the fixing through hole, two mounting through holes are formed in the outer wall of the cooling box 91, a temperature control panel 95 and a temperature sensor 96 are respectively and fixedly connected with the hole walls of the two mounting through holes, a liquid inlet metal pipe 97 is fixedly connected with the output end of the circulating pump 92, the input end of the circulating pump 92 is fixedly communicated with the inlet of the oil tank 93, a liquid outlet metal pipe 98 is fixedly communicated with the liquid outlet hole of the oil tank 93, the output ends of the liquid inlet metal pipe 97 and the liquid outlet metal pipe 98 both penetrate through the two sides of the cooling box 91, the mechanism enables the dynamic performance testing experiment bench of the new energy power assembly differential to have a lubricating oil temperature adjusting function, and ensures that the temperature of lubricating oil in the dynamic testing differential is proper, and the accuracy of the dynamic test data of the differential is improved.
The rubber pads 11 are fixedly connected to the inner walls of the two arc-shaped plates 73, the center positions of the two arc-shaped plates 73 are located on the same horizontal axis, the rubber pads 11 can increase the friction force for fixing the arc-shaped plates 73, and the stability for fixing the differential is improved.
The upper surface of the test bed 1 is fixedly connected with a computer 13 and a touch display 12, data input into the dynamometer 2 and the load dynamometer 3 enter the computer 13 through a lead, and are displayed through the touch display 12 after being counted, calculated and calculated by the computer 13, so that a worker can count test data.
A connecting through hole is formed in the upper surface of the oil tank 93, a hopper 14 is fixedly connected to the wall of the connecting through hole, threads are formed in the inner wall of the hopper 14, a sealing plug 15 is connected to the inner wall of the hopper 14 in a threaded manner, and lubricating oil can be conveniently filled into the oil tank 93 through the hopper 14.
To sum up, when the differential needs to be fixed for dynamic performance testing, firstly, the differential is placed on the arc-shaped placing seat 79 of the test bed 1, the differential is located in the U-shaped baffle frame 78, then the driving motor 75 is started, the driving motor 75 rotates the threaded cylinder 71 through the first gear 76 and the second gear 77, the threaded cylinder 71 rotates to enable the screw rod 72 to move downwards, then the screw rod 72 drives the arc-shaped plate 73 to move downwards to extrude and fix the differential, so that the differential is fixed without manual work, time and labor are saved, then the half shaft of the differential is connected with the load dynamometer 3 through the first coupler 6, the main shaft of the differential is connected with the connecting sleeve 84 of the transmission mechanism 8 through the second coupler 87, and the connecting sleeve 84 can be connected with the main shafts of the differentials with different sizes through the limiting blocks 85 and the moving grooves 86, the practicability of the experiment bench is improved, then the input dynamometer 2 and the load dynamometer 3 are started, the input dynamometer 2 rotates the rotating rod 82 through the first bevel gear 5 and the second bevel gear 83, the rotating rod 82 rotates and enables the differential mechanism to simulate the working state through the connecting sleeve 84 and the second coupler 87, the speed reduction motor 88, the transmission gear 810 and the connecting gear 89 can simulate the brake working state of the differential mechanism, the comprehensiveness of the dynamic performance test of the differential mechanism is improved, meanwhile, data input into the dynamometer 2 and the load dynamometer 3 enter the computer 13 through a lead, are displayed through the touch display 12 after being statistically measured and calculated through the computer 13, the mechanism can realize the automatic fixation of the differential mechanism on the experiment bench for the dynamic performance test of the differential mechanism of the new energy power assembly, can be stably fixed, the fixing process is time-saving and labor-saving, the efficiency and the reliability of the dynamic performance test of the differential mechanism are improved, when the differential is tested on an experimental bench for testing the dynamic performance of the differential of the new energy power assembly, firstly, the liquid inlet metal pipe 97 is connected with a lubricating oil inlet of the differential, the liquid outlet metal pipe 98 is connected with a lubricating oil outlet of the differential, the temperature of the lubricating oil can be increased when the differential works, the high-temperature lubricating oil can effectively test the accuracy of the kinetic energy of the differential, then the circulating pump 92 is started, the circulating pump 92 pumps the lubricating oil in the differential through the liquid outlet metal pipe 98 and starts the refrigeration equipment 94, the refrigeration equipment 94 reduces the temperature in the cooling box 91, then the high-temperature lubricating oil is cooled when passing through the cooling box 91 through the liquid outlet metal pipe 98, and then the cooled lubricating oil enters the differential again through the oil tank 93, the circulating pump 92 and the liquid inlet metal pipe 97 for continuous use, the temperature of lubricating oil in the differential is proper, the temperature in the cooling box 91 is controlled and adjusted through the temperature sensor 96 and the temperature control panel 95, the mechanism enables the dynamic performance testing experiment bench of the new energy power assembly differential to have a lubricating oil temperature adjusting function, the temperature of the lubricating oil in the differential for dynamic testing is proper, and the accuracy of dynamic testing data of the differential is improved.
Example 2
Referring to fig. 1-4, an experiment bench for testing dynamic performance of a new energy power assembly differential mechanism comprises a test bench 1, an input dynamometer 2 and two load dynamometers 3, wherein a plurality of supporting legs 4 are fixedly connected to the lower surface of the test bench 1, two groups of through holes are symmetrically arranged on the upper surface of the test bench 1, rolling bearings 10 are fixedly connected to the hole walls of the through holes, a fixing mechanism 7 is fixedly connected to the inner walls of the two rolling bearings 10 in each group, a transmission mechanism 8 is fixedly connected to the upper surface of the test bench 1, a lubricating oil temperature adjusting mechanism 9 is fixedly connected to the edge of the upper surface of the test bench 1, a first helical gear 5 is fixedly connected to the output end of the input dynamometer 2, and a first coupler 6 is fixedly connected to the connecting ends of the two load dynamometers 3.
The transmission mechanism 8 comprises two bearing seats 81 fixedly connected with the upper surface of the test bed 1, the inner walls of the two bearing seats 81 are fixedly connected with a rotating rod 82 together, the outer side end of the rotating rod 82 is fixedly connected with a second helical gear 83, the outer wall of the second helical gear 83 is vertically meshed with the outer wall of a first helical gear 5, the outer wall of the inner side end of the rotating rod 82 is movably sleeved with a connecting sleeve 84, the inner wall of the connecting sleeve 84 is fixedly connected with two limiting blocks 85, two moving grooves 86 matched with the limiting blocks 85 are formed in the rod wall of the rotating rod 82, one end, far away from the rotating rod 82, of the connecting sleeve 84 is fixedly connected with a second coupler 87, the upper surface of the test bed 1 is fixedly connected with a speed reducing motor 88, the output end of the speed reducing motor 88 is fixedly connected with a connecting gear 89, a transmission gear 810 is fixedly sleeved on the rod wall of the rotating rod 82, the outer wall of the transmission gear 810 is mutually meshed with the outer wall of the connecting gear 89, and the mechanism can realize that the differential is arranged on the test bed for testing the dynamic performance of the new energy power assembly differential The automatic fixing device is automatic in fixing, can be stably fixed, saves time and labor in the fixing process, improves the efficiency and reliability of the differential kinetic energy test, can reduce the labor intensity of workers, and ensures the dynamic test effect of the differential.
The lubricating oil temperature adjusting mechanism 9 comprises a cooling box 91 fixedly connected with the upper surface of the test bed 1, a circulating pump 92 and an oil tank 93, a fixing through hole is formed in the side wall of the cooling box 91, cooling equipment 94 is fixedly connected with the hole wall of the fixing through hole, two mounting through holes are formed in the outer wall of the cooling box 91, a temperature control panel 95 and a temperature sensor 96 are respectively and fixedly connected with the hole walls of the two mounting through holes, a liquid inlet metal pipe 97 is fixedly connected with the output end of the circulating pump 92, the input end of the circulating pump 92 is fixedly communicated with the inlet of the oil tank 93, a liquid outlet metal pipe 98 is fixedly communicated with the liquid outlet hole of the oil tank 93, the output ends of the liquid inlet metal pipe 97 and the liquid outlet metal pipe 98 both penetrate through the two sides of the cooling box 91, the mechanism enables the dynamic performance testing experiment bench of the new energy power assembly differential to have a lubricating oil temperature adjusting function, and ensures that the temperature of lubricating oil in the dynamic testing differential is proper, and the accuracy of the dynamic test data of the differential is improved.
The rubber pads 11 are fixedly connected to the inner walls of the two arc-shaped plates 73, the center positions of the two arc-shaped plates 73 are located on the same horizontal axis, the rubber pads 11 can increase the friction force for fixing the arc-shaped plates 73, and the stability for fixing the differential is improved.
The upper surface of the test bed 1 is fixedly connected with a computer 13 and a touch display 12, data input into the dynamometer 2 and the load dynamometer 3 enter the computer 13 through a lead, and are displayed through the touch display 12 after being counted, calculated and calculated by the computer 13, so that a worker can count test data.
A connecting through hole is formed in the upper surface of the oil tank 93, a hopper 14 is fixedly connected to the wall of the connecting through hole, threads are formed in the inner wall of the hopper 14, a sealing plug 15 is connected to the inner wall of the hopper 14 in a threaded manner, and lubricating oil can be conveniently filled into the oil tank 93 through the hopper 14.
The lateral wall fixedly connected with hoist 16 of test bench 1, hoist 16 can automatic rising differential mechanism, does not need artifical transport to test bench 1 when making differential mechanism test on, labour saving and time saving improves the convenience of differential mechanism test on new forms of energy power assembly differential mechanism dynamic behavior test laboratory bench.
To sum up, the experiment bench for testing the dynamic performance of the new energy power assembly differential mechanism is additionally provided with the crane 16 on the basis of the embodiment 1, the crane 16 can automatically lift and lower the differential mechanism on the experiment bench 1, so that the differential mechanism does not need to be manually carried to the experiment bench 1 during testing, time and labor are saved, the experiment bench can realize the automatic fixing and carrying of the differential mechanism on the experiment bench for testing the dynamic performance of the new energy power assembly differential mechanism, can be stably fixed, is time and labor saving during the fixing process, not only improves the efficiency and the reliability of the dynamic performance testing of the differential mechanism, but also can reduce the labor intensity of workers, improve the convenience of the dynamic performance testing of the differential mechanism, ensure the effect of the dynamic testing of the differential mechanism, simultaneously ensure that the experiment bench for testing the dynamic performance of the new energy power assembly differential mechanism has the function of adjusting the temperature of lubricating oil, and ensure the proper temperature of the lubricating oil in the dynamic testing of the differential mechanism, and the accuracy of the dynamic test data of the differential is improved.
Example 3
Referring to fig. 1-4, an experiment bench for testing dynamic performance of a new energy power assembly differential mechanism comprises a test bench 1, an input dynamometer 2 and two load dynamometers 3, wherein a plurality of supporting legs 4 are fixedly connected to the lower surface of the test bench 1, two groups of through holes are symmetrically arranged on the upper surface of the test bench 1, rolling bearings 10 are fixedly connected to the hole walls of the through holes, a fixing mechanism 7 is fixedly connected to the inner walls of the two rolling bearings 10 in each group, a transmission mechanism 8 is fixedly connected to the upper surface of the test bench 1, a lubricating oil temperature adjusting mechanism 9 is fixedly connected to the edge of the upper surface of the test bench 1, a first helical gear 5 is fixedly connected to the output end of the input dynamometer 2, and a first coupler 6 is fixedly connected to the connecting ends of the two load dynamometers 3.
The transmission mechanism 8 comprises two bearing seats 81 fixedly connected with the upper surface of the test bed 1, the inner walls of the two bearing seats 81 are fixedly connected with a rotating rod 82 together, the outer side end of the rotating rod 82 is fixedly connected with a second helical gear 83, the outer wall of the second helical gear 83 is vertically meshed with the outer wall of a first helical gear 5, the outer wall of the inner side end of the rotating rod 82 is movably sleeved with a connecting sleeve 84, the inner wall of the connecting sleeve 84 is fixedly connected with two limiting blocks 85, two moving grooves 86 matched with the limiting blocks 85 are formed in the rod wall of the rotating rod 82, one end, far away from the rotating rod 82, of the connecting sleeve 84 is fixedly connected with a second coupler 87, the upper surface of the test bed 1 is fixedly connected with a speed reducing motor 88, the output end of the speed reducing motor 88 is fixedly connected with a connecting gear 89, a transmission gear 810 is fixedly sleeved on the rod wall of the rotating rod 82, the outer wall of the transmission gear 810 is The automatic fixing device is automatic in fixing, can be stably fixed, saves time and labor in the fixing process, improves the efficiency and reliability of the differential kinetic energy test, can reduce the labor intensity of workers, and ensures the dynamic test effect of the differential.
The lubricating oil temperature adjusting mechanism 9 comprises a cooling box 91 fixedly connected with the upper surface of the test bed 1, a circulating pump 92 and an oil tank 93, a fixing through hole is formed in the side wall of the cooling box 91, cooling equipment 94 is fixedly connected with the hole wall of the fixing through hole, two mounting through holes are formed in the outer wall of the cooling box 91, a temperature control panel 95 and a temperature sensor 96 are respectively and fixedly connected with the hole walls of the two mounting through holes, a liquid inlet metal pipe 97 is fixedly connected with the output end of the circulating pump 92, the input end of the circulating pump 92 is fixedly communicated with the inlet of the oil tank 93, a liquid outlet metal pipe 98 is fixedly communicated with the liquid outlet hole of the oil tank 93, the output ends of the liquid inlet metal pipe 97 and the liquid outlet metal pipe 98 both penetrate through the two sides of the cooling box 91, the mechanism enables the dynamic performance testing experiment bench of the new energy power assembly differential to have a lubricating oil temperature adjusting function, and ensures that the temperature of lubricating oil in the dynamic testing differential is proper, and the accuracy of the dynamic test data of the differential is improved.
The rubber pads 11 are fixedly connected to the inner walls of the two arc-shaped plates 73, the center positions of the two arc-shaped plates 73 are located on the same horizontal axis, the rubber pads 11 can increase the friction force for fixing the arc-shaped plates 73, and the stability for fixing the differential is improved.
The upper surface of the test bed 1 is fixedly connected with a computer 13 and a touch display 12, data input into the dynamometer 2 and the load dynamometer 3 enter the computer 13 through a lead, and are displayed through the touch display 12 after being counted, calculated and calculated by the computer 13, so that a worker can count test data.
A connecting through hole is formed in the upper surface of the oil tank 93, a hopper 14 is fixedly connected to the wall of the connecting through hole, threads are formed in the inner wall of the hopper 14, a sealing plug 15 is connected to the inner wall of the hopper 14 in a threaded manner, and lubricating oil can be conveniently filled into the oil tank 93 through the hopper 14.
The lateral wall fixedly connected with hoist 16 of test bench 1, hoist 16 can automatic rising differential mechanism, does not need artifical transport to test bench 1 when making differential mechanism test on, labour saving and time saving improves the convenience of differential mechanism test on new forms of energy power assembly differential mechanism dynamic behavior test laboratory bench.
The outer wall of the cooling box 91 is fixedly communicated with the connecting pipe 17, the side end of the connecting pipe 17 is fixedly communicated with the outer cover 18, the outer wall of the outer cover 18 is fixedly connected with the air blower 19, the lower surface of the air blower 19 is fixedly connected with the upper surface of the test bed 1, and the mechanism can cool the transmission mechanism 8 and guarantee the working reliability of the transmission mechanism 8.
To sum up, the experiment bench for testing the dynamic performance of the new energy power assembly differential mechanism is additionally provided with the air blower 19 and the connecting pipe 17, the air blower 19 and the connecting pipe 17 suck the cold air in the cooling box 91 to cool the transmission mechanism 8 on the basis of the embodiment 2, so as to ensure the working reliability of the transmission mechanism, the experiment bench can realize the automatic fixation and transportation of the differential mechanism on the experiment bench for testing the dynamic performance of the new energy power assembly differential mechanism, can be stably fixed, is time-saving and labor-saving in the fixation process, not only improves the efficiency and the reliability of the dynamic testing of the differential mechanism, but also can reduce the labor intensity of workers, improve the convenience of the dynamic testing of the differential mechanism and ensure the dynamic testing effect of the differential mechanism, and then the cold air in the cooling box 91 is sucked through the air blower 19 and the connecting pipe 17 to cool the transmission mechanism 8, so as to ensure the working reliability of the transmission mechanism 8, meanwhile, the experiment bench for testing the dynamic performance of the differential of the new energy power assembly has a lubricating oil temperature adjusting function, the temperature of lubricating oil in the dynamically tested differential is ensured to be proper, and the accuracy of dynamic test data of the differential is improved.
It is to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides an experiment bench is used in test of new forms of energy power assembly differential mechanism dynamic behavior, includes test bench (1), input dynamometer machine (2) and two load dynamometer machines (3), its characterized in that: the lower fixed surface of test bench (1) is connected with a plurality of supporting legs (4), the through-hole of two sets of symmetric distributions is seted up to the upper surface of test bench (1), and the pore wall fixedly connected with antifriction bearing (10) of through-hole, every group two the common fixedly connected with fixed establishment (7) of inner wall of antifriction bearing (10), the last fixed surface of test bench (1) is connected with drive mechanism (8), the last fixed surface edge fixedly connected with lubricating oil temperature adjustment mechanism (9) of test bench (1), the first helical gear (5) of output fixedly connected with of input dynamometer (2), two the equal fixedly connected with first shaft coupling (6) of link of load dynamometer (3).
2. The experiment bench for testing the dynamic performance of the new energy power assembly differential mechanism according to claim 1, is characterized in that: the fixing mechanism (7) comprises a threaded cylinder (71) fixedly connected with the inner wall of a rolling bearing (10), the inner wall of the threaded cylinder (71) is in threaded connection with a screw rod (72), two arc plates (73) fixedly connected with the top end of the screw rod (72) jointly, a U-shaped plate (74) is fixedly connected with the lower surface of the test bed (1), a driving motor (75) is fixedly connected with the inner wall of the U-shaped plate (74), a first gear (76) is fixedly connected with the output end of the driving motor (75), two second gears (77) are fixedly connected with the outer wall of the threaded cylinder (71), two outer walls of the second gears (77) are meshed with the outer wall of the first gear (76), and two U-shaped blocking frames (78) and an arc-shaped placing seat (79) are fixedly connected with the upper surface of the test bed (1).
3. The experiment bench for testing the dynamic performance of the new energy power assembly differential mechanism according to claim 1, is characterized in that: the transmission mechanism (8) comprises two bearing seats (81) fixedly connected with the upper surface of the test bed (1), the inner walls of the two bearing seats (81) are fixedly connected with a rotating rod (82) together, the outer side end of the rotating rod (82) is fixedly connected with a second bevel gear (83), the outer wall of the second bevel gear (83) is vertically meshed with the outer wall of the first bevel gear (5), the outer wall of the inner side end of the rotating rod (82) is movably sleeved with a connecting sleeve (84), the inner wall of the connecting sleeve (84) is fixedly connected with two limiting blocks (85), the rod wall of the rotating rod (82) is provided with two moving grooves (86) matched with the limiting blocks (85), one end of the connecting sleeve (84), far away from the rotating rod (82), is fixedly connected with a second coupler (87), and the upper surface of the test bed (1) is fixedly connected with a speed reducing motor (88), the output end of the speed reducing motor (88) is fixedly connected with a connecting gear (89), a transmission gear (810) is fixedly sleeved on the rod wall of the rotating rod (82), and the outer wall of the transmission gear (810) is meshed with the outer wall of the connecting gear (89).
4. The experiment bench for testing the dynamic performance of the new energy power assembly differential mechanism according to claim 1, is characterized in that: the lubricating oil temperature adjusting mechanism (9) comprises a cooling tank (91), a circulating pump (92) and an oil tank (93) which are fixedly connected with the upper surface of the test bed (1), a fixing through hole is formed in the side wall of the cooling tank (91), and the hole wall of the fixed through hole is fixedly connected with a cooling device (94), the outer wall of the cooling box (91) is provided with two mounting through holes, the hole walls of the two mounting through holes are respectively and fixedly connected with a temperature control panel (95) and a temperature sensor (96), the output end of the circulating pump (92) is fixedly connected with a liquid inlet metal pipe (97), the input end of the circulating pump (92) is fixedly communicated with the inlet of the oil tank (93), a liquid outlet metal pipe (98) is fixedly communicated with the liquid outlet hole of the oil tank (93), the output ends of the liquid inlet metal pipe (97) and the liquid outlet metal pipe (98) penetrate through the two sides of the cooling box (91).
5. The experiment bench for testing the dynamic performance of the new energy power assembly differential mechanism according to claim 2, is characterized in that: the inner walls of the two arc-shaped plates (73) are fixedly connected with rubber pads (11), and the center positions of the two arc-shaped plates (73) are located on the same horizontal axis.
6. The experiment bench for testing the dynamic performance of the new energy power assembly differential mechanism according to claim 1, is characterized in that: the upper surface of the test bed (1) is fixedly connected with a computer (13) and a touch display (12).
7. The experiment bench for testing the dynamic performance of the new energy power assembly differential mechanism according to claim 4, is characterized in that: connecting through holes are formed in the upper surface of the oil tank (93), the wall of each connecting through hole is fixedly connected with a hopper (14), the inner wall of each hopper (14) is provided with threads, and the inner wall of each hopper (14) is in threaded connection with a sealing plug (15).
8. The experiment bench for testing the dynamic performance of the new energy power assembly differential mechanism according to claim 1, is characterized in that: the side wall of the test bed (1) is fixedly connected with a crane (16).
9. The experiment bench for testing the dynamic performance of the new energy power assembly differential mechanism according to claim 4, is characterized in that: the outer wall of cooling tank (91) is fixed to be communicated with connecting pipe (17), the side end of connecting pipe (17) is fixed to be communicated with outer cover (18), the outer wall of outer cover (18) is fixedly connected with air blower (19), the lower surface of air blower (19) is fixedly connected with the upper surface of test bed (1).
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Application publication date: 20210806 |