CN112485123B - New energy automobile hub physical property performance test system and test method - Google Patents
New energy automobile hub physical property performance test system and test method Download PDFInfo
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- CN112485123B CN112485123B CN202011312270.8A CN202011312270A CN112485123B CN 112485123 B CN112485123 B CN 112485123B CN 202011312270 A CN202011312270 A CN 202011312270A CN 112485123 B CN112485123 B CN 112485123B
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- G—PHYSICS
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
- G01N3/12—Pressure testing
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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
- G01M17/0078—Shock-testing of vehicles
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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
- G01M17/013—Wheels
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
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- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/04—Chucks
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/40—Investigating hardness or rebound hardness
- G01N3/48—Investigating hardness or rebound hardness by performing impressions under impulsive load by indentors, e.g. falling ball
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/56—Investigating resistance to wear or abrasion
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0001—Type of application of the stress
- G01N2203/0003—Steady
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- G—PHYSICS
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0001—Type of application of the stress
- G01N2203/0005—Repeated or cyclic
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0019—Compressive
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0032—Generation of the force using mechanical means
- G01N2203/0033—Weight
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0048—Hydraulic means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/005—Electromagnetic means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0058—Kind of property studied
- G01N2203/0076—Hardness, compressibility or resistance to crushing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/026—Specifications of the specimen
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Abstract
The invention discloses a system and a method for testing physical property of a new energy automobile hub. According to the invention, the distance between the two first bearings and the first bearing can be controlled by controlling the positions of the conveying belt pulley and the polishing belt pulley through the arranged clamping control device, the hub is limited, the hub is not required to be manually moved to a specific position for testing, meanwhile, the hub is prevented from being deviated, and the efficiency and the detection accuracy are improved; through the side of being equipped with carry and wear-resisting detection mechanism, adopt the mode of side removal wheel hub, the side is carried and wear-resisting detection mechanism simultaneously and need not bear wheel hub gravity and pressure when withstand voltage tests, reduces the damage that detects to the device, the life of extension device.
Description
Technical Field
The invention relates to feeding equipment, in particular to a system and a method for testing physical property of a new energy automobile hub.
Background
The automobile hub stress detection device comprises a base, a tester frame is fixed on the top end surface of the base, a cross sliding seat is arranged inside the tester frame, a threaded pipe is fixed at one end of the cross sliding seat, a sliding sleeve is connected to the outer surface of the threaded pipe in a sliding mode, a threaded column is arranged inside the sliding sleeve, one end of the threaded column is clamped with the sliding sleeve, the other end of the threaded column is located inside the threaded pipe and is in meshed connection with the threaded pipe through threads, a plurality of extrusion seats are arranged on the outer periphery of the sliding sleeve, and one end of each extrusion seat is in sliding connection with a sliding groove on the same side. According to the invention, the wheel hub is extruded from the interior of the automobile hub and is attached to the inner surface of the wheel hub through the matching of the cross sliding seat and the threaded column, so that the wheel hub is prevented from being interfered by external force factors to generate displacement, and the detection effect of the wheel hub is improved.
However, in the specific implementation, only the stress can be detected, the function is single, the detection cannot be performed in all aspects, and the noise generated by using the smashing mode is large.
According to china utility model (application number: cn201920506414. X) "an automobile wheel hub intensity detection device" discloses, including detecting the platform, detect the equal digging in platform top both ends and be equipped with the spout No. one, the equal fixedly connected with hydraulic pump of one end that just keeps away from each other in the inside of spout No. two, the equal fixedly connected with slider of output of two hydraulic pumps, one side digging that the top of detecting the platform is located between spout two is equipped with the spout No. two, spout sliding connection has the slide No. two, the one end fixedly connected with lift post of detecting the platform middle part is kept away from on the top of slide, the utility model discloses the beneficial effect who reaches is: this device can be used to detect wheel hub's intensity, and has multiple detection mode, sets up the fixture block that drives through the hydraulic pump and extrudees the fixed with the bead seat both sides, and the fixture block extrudees the bead seat, observes wheel hub intensity through the output power who observes the hydraulic pump panel board, and detectable wheel hub bulk strength, the draw-in groove through the transfer line is to the hubcap centre gripping, and detectable wheel hub collides with the pressure that Dan Zishi can bear.
However, when the device is implemented specifically, manual operation is needed, and when a plurality of hubs are detected, the device needs to be detached and then fixed, so that continuous detection is inconvenient, and the efficiency is low. Therefore, the system and the method for testing the physical property of the new energy automobile hub are improved.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides a system and a method for testing physical properties of a new energy automobile hub.
In order to solve the technical problems, the invention provides the following technical scheme:
the invention discloses a system and a method for testing physical property of a new energy automobile hub, and the system and the method comprise a device base, wherein the top of the device base is provided with three mounting grooves, the top of the device base is provided with a supporting platform, the bottom of the device base is provided with three sliding grooves corresponding to the mounting grooves, a clamping control device is arranged between the sliding grooves and the mounting grooves, the clamping control device comprises a clamping motor fixed in the mounting grooves and three sets of moving grooves arranged at the top of the device base from front to back, each moving groove consists of two motor moving grooves positioned at two sides of the three mounting grooves, two roller grooves are arranged in the motor moving grooves, a side conveying and wear-resisting detection mechanism is arranged in the motor moving grooves, a rotating shaft of the clamping motor is fixedly provided with a threaded rod, the surface of the threaded rod is provided with two opposite-direction threads, the threaded rod is provided with two circumferential rods in a threaded connection manner, one end of each of the two L-shaped rods penetrates through the supporting platform, a middle stable supporting plate of the threaded rod is fixedly connected with the device base, two sides of the device base are fixedly provided with two upright columns, the top ends of the upright columns are fixedly provided with hydraulic cylinders, the hydraulic press plate structures for fixing the hydraulic press plates, and the hydraulic press plates are arranged at the top ends of the hydraulic press plates.
According to the preferable technical scheme, the side conveying and wear-resisting detection mechanism comprises a conveying motor located in a motor moving groove, a sleeve is fixedly arranged at the top of the conveying motor and fixedly connected with an L-shaped rod, a conveying belt pulley is fixedly arranged in the front and rear moving grooves in a manner that a rotating shaft of the conveying motor penetrates through the sleeve, two first bearings are sleeved on the conveying belt pulley, a polishing belt pulley is fixedly arranged in the middle of the conveying belt pulley in a manner that the rotating shaft of the conveying motor penetrates through the sleeve, a second bearing is sleeved in the middle of the polishing belt pulley, the first bearings are connected with the polishing belt pulley through a conveying belt, and the second bearings are connected with the conveying belt pulley through a polishing belt.
As a preferable technical scheme of the invention, the limiting structure comprises a sleeve fixedly connected to the top of the test pressure plate, a spring is arranged inside the sleeve, and a fixing nail penetrating through the test pressure plate is arranged at the bottom of the spring.
As a preferred technical scheme, the hardness detection structure comprises an outer cylinder fixedly connected to the top of a test pressing plate, a plurality of groups of protective sleeves are sleeved on the circumferential side of the outer cylinder, electromagnetic coils located inside the protective sleeves are sleeved on the circumferential side of the outer cylinder, a baffle is fixedly arranged inside the outer cylinder, an inner rod is inserted into the middle of the baffle, the top end of the inner rod is fixedly connected with a machine body of a hydraulic machine, a permanent magnet block is fixedly arranged at the bottom end of the inner rod, a steel disc is arranged at the bottom of the permanent magnet block, and an impact nail penetrating through the test pressing plate is fixedly arranged at the bottom end of the steel disc.
As a preferable technical scheme of the invention, a first friction belt, a second friction belt and a third friction belt are sequentially adhered to the surface of the polishing belt from top to bottom, the hardness of the third friction belt is higher than that of the second friction belt, and the hardness of the second friction belt is higher than that of the first friction belt.
As a preferable technical scheme of the invention, the front end and the rear end of the conveying motor are respectively provided with a side roller positioned in a roller groove, and the bottom of the conveying motor is provided with a bottom roller.
The preferable technical scheme of the invention comprises the following steps: the method comprises three steps of wear resistance detection, pressure resistance detection and hardness detection.
As a preferred technical solution of the present invention, the wear resistance is measured by: firstly, an automobile hub is placed on a supporting platform, a clamping motor is controlled to rotate, two opposite-direction threads on the surface of the clamping motor drive an L-shaped rod to move towards a stable supporting plate, the L-shaped rod drives a sleeve, a conveying belt pulley and a polishing belt pulley to move, the conveying belt pulley and the conveying belt and the polishing belt on the polishing belt pulley clamp two sides of the hub, the front conveying motor and the rear conveying motor drive the conveying belt to rotate through the conveying belt pulley, the middle conveying motor drives the polishing belt and the conveying belt to rotate in opposite directions through the polishing belt pulley, the conveying belt drives the hub to move, a first friction belt, a second friction belt and a third friction belt on the surface of the polishing belt rub against the hub, and the wear resistance of the hub is tested;
and (3) pressure resistance detection: the hydraulic press makes the pneumatic cylinder extension, and the pressure testing board moves down, and the staple contacts with wheel hub earlier, and partly staple supports wheel hub and prevents wheel hub removal, and the spring is compressed, and the staple of another part inserts in the space in the middle of the wheel hub, blocks wheel hub, further restricts wheel hub and removes, then the pressure testing board pushes down wheel hub, and the hydraulic press passes through the pneumatic cylinder and applys pressure to wheel hub to test wheel hub's compressive property.
And (3) hardness detection: when the pressure testing plate moves downwards in the pressure resistance test, the pressure testing plate drives the outer cylinder to move downwards, the magnetic attraction of the permanent magnet blocks holds the steel disc and keeps still, the steel disc is separated from the permanent magnet blocks until the baffle reaches the position of the steel disc, the steel disc falls downwards under the action of gravity, the electromagnetic coil is electrified at the moment, the steel disc and the impact nail are accelerated by a magnetic field generated after the electromagnetic coil is electrified, then the electromagnetic coil is powered off, the tip at the bottom of the impact nail impacts the hub, the hardness of the hub is detected according to the depth of a pit left on the surface of the hub by the impact nail, after the test is finished, the pressure testing plate moves upwards to enable the steel disc to be close to the permanent magnet blocks, finally, the steel disc and the permanent magnet blocks are attracted together again, and when the hardness test is not needed, the electromagnetic coil can be selected not to be electrified.
The beneficial effects of the invention are: the system and the method for testing the physical property of the new energy automobile hub comprise the following steps:
1. through the arranged clamping control device, the distance between the two first bearings and the first bearing can be controlled by controlling the positions of the conveying belt pulley and the polishing belt pulley, the hub is limited, the hub does not need to be manually moved to a specific position for testing, meanwhile, the hub is prevented from being deviated, and the efficiency and the detection accuracy are improved;
2. the side conveying and wear-resisting detection mechanism is arranged, and a way of moving the hub from the side is adopted, so that the side conveying and wear-resisting detection mechanism does not bear the gravity of the hub and the pressure during a pressure resistance test, the damage of detection to the device is reduced, and the service life of the device is prolonged;
3. the grinding belt and the conveying belt run in the reverse direction through the grinding belt, so that the moving directions of the grinding belt and the hub are opposite, the grinding belt can test the abrasion resistance of the hub when the hub is moved, the time is saved, the utilization rate of the device is improved, and the first friction belt, the second friction belt and the third friction belt with different hardness can detect the abrasion resistance of the hub to materials with different hardness;
4. the hydraulic machine and the hydraulic cylinder are matched for use, so that high noise cannot be generated when the pressure resistance of the hub is tested, the applied pressure can be accurately controlled, and data can be obtained more conveniently;
5. the limiting structures are arranged, the multiple groups of limiting structures are matched, the device can be suitable for hubs of different models, the limitation on the hubs due to different hub models can not be influenced, the device is synchronous with the movement of a hydraulic cylinder, no driving equipment is required to be added, and the device can be matched with a grinding belt to better detect the wear resistance of the hubs;
6. through the hardness detection structure, the impact nail impacts the hub by adopting the principle of an electromagnetic gun, the hardness of the hub is judged according to the depth of a reserved pit, the force error generated by an electromagnetic field is small, meanwhile, the detection accuracy can be improved through the matching of multiple groups, the movement of the pressure test plate is utilized to control the operation of the hardness detection structure and the resetting of the impact nail, the manual interference is reduced, and the detection automation is realized;
7. the hardness detection structure, the limiting structure and the pressure test plate are skillfully integrated, and one driving device of the hydraulic machine is utilized to simultaneously detect the hardness detection structure, the limiting structure and the pressure test plate, so that the structural design is ingenious, the space utilization rate is high, and the energy utilization rate is high.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural diagram of a system for testing physical properties of an automobile hub of a new energy source;
FIG. 2 is a schematic structural diagram of a conveying belt in the new energy automobile hub physical property performance testing system of the invention;
FIG. 3 is a schematic structural diagram of a conveying belt pulley and a polishing belt pulley in the system for testing physical properties of the new energy automobile hub;
FIG. 4 is a schematic structural diagram of a clamping control device in the new energy automobile hub physical property performance test system of the invention;
FIG. 5 is a schematic structural diagram of a hydraulic cylinder in the new energy automobile hub physical property testing system;
FIG. 6 is a schematic structural diagram of a limiting structure in the physical property test system of the new energy automobile hub;
FIG. 7 is a schematic structural diagram of a hardness detection structure in a new energy automobile hub physical property testing system according to the invention;
FIG. 8 is a schematic structural diagram of a polishing belt in the new energy automobile hub physical property performance test system.
In the figure: 1. a device base; 2. a hydraulic press; 3. a side conveying and wear-resisting detection mechanism; 31. a conveyor belt pulley; 32. a conveyor belt; 33. polishing the belt wheel; 34. polishing the belt; 35. a sleeve; 36. a conveying motor; 37. a bottom roller; 38. a side roller; 4. a column; 5. a support platform; 6. testing a pressing plate; 7. a clamping control device; 71. clamping the motor; 72. a threaded rod; 73. stabilizing the support plate; 74. an L-shaped rod; 75. a motor moving slot; 76. a roller groove; 8. a hardness detection structure; 81. an outer cylinder; 82. a baffle plate; 83. an inner rod; 84. a permanent magnet block; 85. a steel disc; 86. punching the nail; 87. a protective sleeve; 88. an electromagnetic coil; 9. a limiting structure; 91. a sleeve; 92. a spring; 93. fixing nails; 10. a hydraulic cylinder; 11. a first bearing; 12. a second bearing; 13. a first friction belt; 14. a second friction belt; 15. and a third friction belt.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it should be understood that they are presented herein only to illustrate and explain the present invention and not to limit the present invention.
The embodiment is as follows: as shown in fig. 1, 2, 3, 4, 5, 6, 7 and 8, the system and the method for testing the physical property of the new energy automobile hub comprise an apparatus base 1, three mounting grooves are formed in the top of the apparatus base 1, a support platform 5 is arranged on the top of the apparatus base 1, three sliding grooves corresponding to the mounting grooves are formed in the bottom end of the apparatus base 1, a clamping control device 7 is arranged between each sliding groove and each mounting groove, the clamping control device 7 comprises a clamping motor 71 fixed inside each mounting groove and three sets of moving grooves formed in the top of the apparatus base 1 from front to back, each moving groove consists of two motor moving grooves 75 located on two sides of each mounting groove, two roller grooves 76 are formed inside each motor moving groove 75, a side conveying and wear-resisting detection mechanism 3 is arranged inside each motor moving groove 75, a rotating shaft of the clamping motor 71 is fixedly provided with a support plate 73, two opposite threads are arranged on the surface of the clamping motor 72, two L-shaped rods 74 are connected to each other through the support platform 5, a middle of the support plate 73, the support plate 73 is connected with the fixing screw rods 1, two ends of the fixing devices are provided with a hydraulic cylinder 10, a hydraulic cylinder 10 for fixing the hydraulic pressure testing the hydraulic cylinders, and a plurality of hydraulic cylinders are arranged on the top ends of the hydraulic cylinders 10 of the hydraulic cylinders 6 of the hydraulic pressure testing mechanism 10.
Wherein, the side is carried and wear-resisting detection mechanism 3 is including being located the inside conveying motor 36 of motor shifting chute 75, the fixed sleeve pipe 35 that is equipped with in top of conveying motor 36, sleeve pipe 35 and L shape pole 74 fixed connection, the pivot that is located conveying motor 36 in two sets of shifting chutes back and forth passes the fixed conveyor belt pulley 31 that is equipped with of sleeve pipe 35, the cover is equipped with No. two bearings 11 on the conveyor belt pulley 31, the pivot that is located conveying motor 36 in the middle shifting chute passes sleeve pipe 35 and fixedly is equipped with polishing belt pulley 33, polishing belt pulley 33's middle part cover is equipped with No. two bearings 12, be connected through conveyor belt 32 between a bearing 11 and the polishing belt pulley 33, be connected through polishing belt 34 between No. two bearings 12 and the conveyor belt pulley 31.
Wherein, limit structure 9 includes fixed connection in the sleeve 91 at examination clamp plate 6 top, and the inside of sleeve 91 is equipped with spring 92, and the bottom of spring 92 is equipped with the staple 93 that passes examination clamp plate 6.
The hardness detection structure 8 comprises an outer barrel 81 fixedly connected to the top of the test pressing plate 6, a plurality of groups of protecting sleeves 87 are sleeved on the circumferential side of the outer barrel 81, an electromagnetic coil 88 located inside the protecting sleeves 87 is sleeved on the circumferential side of the outer barrel 81, a baffle 82 is fixedly arranged inside the outer barrel 81, an inner rod 83 is arranged in the middle of the baffle 82 in a penetrating mode, the top end of the inner rod 83 is fixedly connected with the machine body of the hydraulic machine 2, a permanent magnet block 84 is fixedly arranged at the bottom end of the inner rod 83, a steel disc 85 is arranged at the bottom of the permanent magnet block 84, and an impact nail 86 penetrating through the test pressing plate 6 is fixedly arranged at the bottom end of the steel disc 85.
The surface of the polishing belt 34 is sequentially provided with a first friction belt 13, a second friction belt 14 and a third friction belt 15 in an adhesion mode from top to bottom, the hardness of the third friction belt 15 is higher than that of the second friction belt 14, and the hardness of the second friction belt 14 is higher than that of the first friction belt 13.
The front end and the rear end of the conveying motor 36 are provided with side rollers 38 positioned in the roller grooves 76, and the bottom of the conveying motor 36 is provided with a bottom roller 37.
The benefits of the above-described device are as follows:
1. through the arranged clamping control device 7, the distance between the two first bearings 11 and the first bearing 11 can be controlled by controlling the positions of the conveying belt pulley 31 and the polishing belt pulley 33, the hub is limited, the hub does not need to be manually moved to a specific position for testing, meanwhile, the hub is prevented from deviating, and the efficiency and the detection accuracy are improved;
2. by the aid of the side conveying and wear-resisting detection mechanism 3, the wheel hub is moved laterally, the side conveying and wear-resisting detection mechanism 3 does not bear the gravity of the wheel hub and the pressure during pressure resistance testing, damage to the device caused by detection is reduced, and the service life of the device is prolonged;
3. through the arranged grinding belt 34, the grinding belt 34 and the conveying belt 32 run in the opposite direction, so that the moving directions of the grinding belt 34 and the hub are opposite, the grinding belt 34 can test the abrasion resistance of the hub when the hub is moved, the time is saved, the utilization rate of the device is improved, and the first friction belt 13, the second friction belt 14 and the third friction belt 15 with different hardness can detect the abrasion resistance of the hub to materials with different hardness;
4. the hydraulic machine 2 and the hydraulic cylinder 10 are matched for use, so that high noise cannot be generated when the pressure resistance of the hub is tested, the applied pressure can be accurately controlled, and data can be obtained more conveniently;
5. the limiting structures 9 are arranged, and the multiple groups of limiting structures 9 are matched, so that the device can be suitable for hubs of different models, the limitation on the hubs due to different hub models can not be influenced, the device is synchronous with the movement of the hydraulic cylinder 10, no driving equipment is required to be added, and the device can be matched with the grinding belt 34 to better detect the wear resistance of the hubs;
6. through the hardness detection structure 8, the impact nail 86 impacts the hub by adopting the principle of an electromagnetic gun, the hardness of the hub is judged according to the depth of a reserved pit, the force error generated by an electromagnetic field is small, meanwhile, the detection accuracy can be improved through the matching of multiple groups, the movement of the pressure test plate 6 is utilized to control the operation of the hardness detection structure 8 and the resetting of the impact nail 86, the manual interference is reduced, and the detection automation is realized;
7. detect structure 8, limit structure 9 and examination clamp plate 6 ingenious integration with hardness together, utilize wherein 2 a drive arrangement of hydraulic press, make the three detect simultaneously, structural design is ingenious, space utilization is high, and energy utilization is high.
The physical property testing method comprises the following steps: the method comprises three steps of wear resistance detection, pressure resistance detection and hardness detection, wherein the wear resistance detection comprises the following steps: firstly, an automobile hub is placed on a supporting platform 5, a clamping motor 71 is controlled to rotate, two opposite-direction threads on the surface of the clamping motor 71 drive an L-shaped rod 74 to move towards a stable supporting plate 73, the L-shaped rod 74 drives a sleeve 35, a conveying belt pulley 31 and a polishing belt pulley 33 to move, the conveying belt 32 and the polishing belt 34 on the conveying belt pulley 31 and the polishing belt pulley 33 clamp the two sides of the hub, the front conveying motor 36 and the rear conveying motor 36 drive the conveying belt 32 to rotate through the conveying belt pulley 31, the middle conveying motor 36 drives the polishing belt 34 and the conveying belt 32 to rotate in opposite directions through the polishing belt pulley 33, the conveying belt 32 drives the hub to move, a first friction belt 13, a second friction belt 14 and a third friction belt 15 on the surface of the polishing belt 34 rub against the hub, and the wear resistance of the hub is tested;
and (3) detecting the pressure resistance: the hydraulic machine 2 enables the hydraulic cylinder 10 to extend, the pressure testing plate 6 moves downwards, the fixing nails 93 are firstly contacted with the hub, one part of the fixing nails 93 abut against the hub to prevent the hub from moving, the spring 92 is compressed, the other part of the fixing nails 93 are inserted into a gap in the middle of the hub to clamp the hub and further limit the movement of the hub, then the pressure testing plate 6 presses the hub downwards, and the hydraulic machine 2 applies pressure to the hub through the hydraulic cylinder 10, so that the pressure resistance performance of the hub is tested.
And (3) hardness detection: in the pressure resistance test, when the test pressing plate 6 moves downwards, the test pressing plate 6 drives the outer cylinder 81 to move downwards, the magnetic attraction of the permanent magnet blocks 84 holds the steel disc 85 and keeps still, the steel disc 85 is separated from the permanent magnet blocks 84 until the baffle 82 reaches the position of the steel disc 85, the steel disc 85 falls downwards under the action of gravity, the electromagnetic coil 88 is electrified at the moment, the steel disc 85 and the impact nail 86 are accelerated by a magnetic field generated after the electromagnetic coil 88 is electrified, then the electromagnetic coil 88 is powered off, the tip at the bottom of the impact nail 86 impacts the hub, the hardness of the hub is detected according to the depth of a pit left on the surface of the hub by the impact nail 86, after the test is finished, the test pressing plate 6 moves upwards to enable the steel disc 85 to be close to the permanent magnet blocks 84, finally, the steel disc 85 is attracted with the permanent magnet blocks 84 again, and when the hardness test is not needed, the electromagnetic coil 88 can be selected not to be powered on.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a new energy automobile wheel hub rerum natura performance test system, includes device base (1), its characterized in that, three mounting groove has been seted up at the top of device base (1), the top of device base (1) is equipped with supporting platform (5), three spout corresponding with the mounting groove is seted up to the bottom of device base (1), is equipped with between spout and the mounting groove and presss from both sides tight controlling means (7), press from both sides tight controlling means (7) including be fixed in the inside tight motor (71) of mounting groove and set of shifting chute by opening in three at device base (1) top backward, the shifting chute comprises two motor shifting chutes (75) that are located three mounting groove both sides, two gyro wheel grooves (76) have been seted up to the inside of motor shifting chute (75), the inside of motor shifting chute (75) is equipped with side transport and wear-resisting detection mechanism (3), the pivot of pressing from both sides tight motor (71) is fixed and is equipped with two opposite direction's screw thread on threaded rod (72) surface, threaded rod (72) go up threaded rod (74) threaded rod (72) and threaded rod (5) all pass supporting platform (5), threaded rod (73) and the fixed threaded rod (73) is equipped with two stabilizing device (1) and stand column (73) are all equipped with the stand device (1), the top end of the upright post (4) is fixedly provided with a hydraulic machine (2), the bottom of the hydraulic machine (2) is provided with a hydraulic cylinder (10), the bottom end of the hydraulic cylinder (10) is fixedly provided with a test pressing plate (6), the top of the test pressing plate (6) is provided with a plurality of groups of limiting structures (9) positioned on the circumferential side of the hydraulic cylinder (10), and the circumferential side of the top end of the test pressing plate (6) is fixedly provided with a plurality of hardness detection structures (8);
side is carried and wear-resisting detection mechanism (3) including being located the inside conveying motor (36) of motor shifting chute (75), the fixed sleeve pipe (35) that is equipped with in top of conveying motor (36), sleeve pipe (35) and L shape pole (74) fixed connection are located two sets of shifting chutes around being located the pivot of conveying motor (36) is passed sleeve pipe (35) and is fixed and is equipped with conveyor belt pulley (31), conveyor belt pulley (31) are gone up the cover and are equipped with No. two bearing (11), are located in the middle of being equipped with in the shifting chute the pivot of conveying motor (36) is passed sleeve pipe (35) and is fixed and is equipped with band pulley (33) of polishing, the middle part cover of band pulley (33) of polishing is equipped with No. two bearing (12), be connected through conveyor belt (32) between bearing (11) and the band pulley (33) of polishing, be connected through polishing area (34) between No. two bearing (12) and conveyor belt pulley (31).
2. The system for testing physical property of the new energy automobile hub according to claim 1, wherein the limiting structure (9) comprises a sleeve (91) fixedly connected to the top of the test pressing plate (6), a spring (92) is arranged inside the sleeve (91), and a fixing nail (93) penetrating through the test pressing plate (6) is arranged at the bottom of the spring (92).
3. The system for testing physical property of the new energy automobile hub as claimed in claim 1, wherein the hardness detection structure (8) comprises an outer cylinder (81) fixedly connected to the top of the test pressing plate (6), a plurality of sets of protective sleeves (87) are sleeved on the circumferential side of the outer cylinder (81), an electromagnetic coil (88) located inside the protective sleeves (87) is sleeved on the circumferential side of the outer cylinder (81), a baffle (82) is fixedly arranged inside the outer cylinder (81), an inner rod (83) is arranged in the middle of the baffle (82) in a penetrating manner, the top end of the inner rod (83) is fixedly connected with the body of the hydraulic press (2), a permanent magnet block (84) is fixedly arranged at the bottom end of the inner rod (83), a steel disc (85) is arranged at the bottom end of the permanent magnet block (84), and an impact nail (86) penetrating through the test pressing plate (6) is fixedly arranged at the bottom end of the steel disc (85).
4. The system for testing physical property of the new energy automobile hub is characterized in that a first friction belt (13), a second friction belt (14) and a third friction belt (15) are sequentially adhered to the surface of the grinding belt (34) from top to bottom, the hardness of the third friction belt (15) is higher than that of the second friction belt (14), and the hardness of the second friction belt (14) is higher than that of the first friction belt (13).
5. The system for testing the physical property of the automobile hub as the new energy source according to claim 1, wherein the front end and the rear end of the conveying motor (36) are provided with side rollers (38) located in roller grooves (76), and the bottom of the conveying motor (36) is provided with a bottom roller (37).
6. A method for testing physical property of a new energy automobile hub is characterized in that the method is mainly completed by the cooperation of the system for testing physical property of the new energy automobile hub in any one of claims 1 to 5, and comprises the following steps: the method comprises three steps of wear resistance detection, pressure resistance detection and hardness detection:
and (3) detecting the wear resistance: firstly, an automobile hub is placed on a supporting platform (5), a clamping motor (71) is controlled to rotate, two opposite-direction threads on the surface of the clamping motor (71) drive an L-shaped rod (74) to move towards a stable supporting plate (73), the L-shaped rod (74) drives a sleeve (35), a conveying belt pulley (31) and a polishing belt pulley (33) to move, the conveying belt pulley (31) and a conveying belt (32) and a polishing belt (34) on the polishing belt pulley (33) clamp the two sides of the hub, the front conveying motor (36) and the rear conveying motor (36) drive the conveying belt (32) to rotate through the conveying belt pulley (31), the middle conveying motor (36) drives the polishing belt (34) and the conveying belt (32) to rotate in opposite directions through the polishing belt pulley (33), the conveying belt (32) drives the hub to move, a first friction belt (13), a second friction belt (14) and a third friction belt (15) on the surface of the polishing belt (34) rub against the hub, and the wear resistance of the hub is tested;
and (3) pressure resistance detection: the hydraulic press (2) enables the hydraulic cylinder (10) to extend, the pressure test plate (6) moves downwards, the fixing nails (93) are firstly contacted with the hub, one part of the fixing nails (93) abuts against the hub to prevent the hub from moving, the spring (92) is compressed, the other part of the fixing nails (93) are inserted into a gap in the middle of the hub to clamp the hub and further limit the movement of the hub, then the pressure test plate (6) presses the hub downwards, and the hydraulic press (2) applies pressure to the hub through the hydraulic cylinder (10), so that the pressure resistance of the hub is tested;
and (3) hardness detection: in the pressure resistance test, when a pressure test plate (6) moves downwards, the pressure test plate (6) drives an outer cylinder (81) to move downwards, the steel disc (85) is attracted by the magnetism of a permanent magnet block (84) and kept still until a baffle plate (82) reaches the position of the steel disc (85), the steel disc (85) is separated from the permanent magnet block (84), the steel disc (85) falls downwards under the action of gravity, at the moment, an electromagnetic coil (88) is electrified, the steel disc (85) and an impact nail (86) are accelerated by a magnetic field generated after the electromagnetic coil (88) is electrified, then the electromagnetic coil (88) is powered off, the tip at the bottom of the impact nail (86) impacts a hub, the hardness of the hub is detected according to the depth of a pit left on the surface of the hub by the impact nail (86), after the test is finished, the pressure test plate (6) moves upwards to enable the steel disc (85) to be close to the permanent magnet block (84), and finally the steel disc (85) and the permanent magnet block (84) are attracted together again, and when the hardness test is not needed, the electromagnetic coil (88) can be selected to be powered on.
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| CN113654934A (en) * | 2021-08-30 | 2021-11-16 | 丽水阡陌汽车电子有限公司 | Automobile wheel hub's wearability check out test set |
| CN113790952B (en) * | 2021-10-12 | 2024-06-18 | 智祥电力工程有限公司 | Wear test equipment for electric power fittings and working method thereof |
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| CN115165594B (en) * | 2022-07-18 | 2023-03-24 | 山东金博电动车有限公司 | Pressure-bearing test bench for hub of electric vehicle |
| CN117451382B (en) * | 2023-12-25 | 2024-03-12 | 常熟市虹桥铸钢有限公司 | Mine car hub performance test equipment |
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