CN113092275A - System and method for testing finished products produced by automobile magnesium-aluminum alloy hubs - Google Patents
System and method for testing finished products produced by automobile magnesium-aluminum alloy hubs Download PDFInfo
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- CN113092275A CN113092275A CN202110389996.XA CN202110389996A CN113092275A CN 113092275 A CN113092275 A CN 113092275A CN 202110389996 A CN202110389996 A CN 202110389996A CN 113092275 A CN113092275 A CN 113092275A
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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
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/16—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces applied through gearing
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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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- 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
- G01N2203/0037—Generation of the force using mechanical means involving a rotating movement, e.g. gearing, cam, eccentric, or centrifuge effects
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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
- G01N2203/04—Chucks, fixtures, jaws, holders or anvils
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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
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0676—Force, weight, load, energy, speed or acceleration
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Abstract
The invention relates to a test system and a test method for a finished product produced by an automobile magnesium-aluminum alloy hub. The invention can solve the problems that the existing magnesium-aluminum alloy hub testing system cannot test a plurality of magnesium-aluminum alloy hubs simultaneously, has low testing efficiency, cannot limit the hubs, causes deviation of testing results and influences the accuracy of testing data, and can also solve the problems that the existing magnesium-aluminum alloy hub testing system cannot compare a plurality of groups of data by changing the extrusion force of the magnesium-aluminum alloy hubs, cannot test the maximum bearing capacity of the magnesium-aluminum alloy hubs, and has contingency and low reliability of the testing results.
Description
Technical Field
The invention relates to the technical field of hub testing, in particular to a system and a method for testing a finished product produced by an automobile magnesium-aluminum alloy hub.
Background
The hub, the alias rim, i.e. the part of the tyre inner profile that supports the cylindrical, centrally fitted on the shaft of the tyre. Common automobile hubs include steel hubs and aluminum alloy hubs. The steel hub has high strength and is commonly used for large trucks; however, the steel hub is heavy in weight and single in appearance, does not accord with the current low-carbon and fashionable concepts, and is gradually replaced by the magnesium-aluminum alloy hub. Compared with steel automobile hubs, aluminum alloy wheel hub's advantage is more obvious: the density is low, about 1/3 in steel, which means that an aluminum alloy hub using the same volume will be 2/3 lighter than a steel hub. Statistics shows that the whole automobile mass is reduced by 10%, and the fuel efficiency can be improved by 6% -8%, so that the popularization of the aluminum alloy wheel hub has important significance for energy conservation, emission reduction and low-carbon life. Meanwhile, the heat conductivity of the magnesium-aluminum alloy is high, and the heat conductivity of steel is low, so that the heat dissipation performance of the magnesium-aluminum alloy is superior to that of a steel hub under the same condition, and the magnesium-aluminum alloy is fashionable, attractive and easy to machine and form. However, the rigidity of the magnesium-aluminum alloy hub is not as strong as that of a steel hub, so that the magnesium-aluminum alloy hub needs to be subjected to a rigidity pressure test after being produced, and a product qualified in the test can be put into use.
At present, to current magnalium wheel hub test system, there is following defect: 1. the existing magnesium-aluminum alloy hub testing system cannot test a plurality of magnesium-aluminum alloy hubs simultaneously, has low testing efficiency, cannot limit the hubs, causes deviation of testing results and influences accuracy of testing data; 2. the existing magnesium-aluminum alloy hub testing system cannot compare multiple groups of data by changing the extrusion force of the magnesium-aluminum alloy hub, cannot test the maximum bearing capacity of the magnesium-aluminum alloy hub, and has the advantages of contingency and low reliability of a test result.
Disclosure of Invention
Technical problem to be solved
The invention can solve the problems that the existing magnesium-aluminum alloy hub testing system cannot test a plurality of magnesium-aluminum alloy hubs simultaneously, has low testing efficiency, cannot limit the hubs, causes deviation of testing results and influences the accuracy of testing data, and can also solve the problems that the existing magnesium-aluminum alloy hub testing system cannot compare a plurality of groups of data by changing the extrusion force of the magnesium-aluminum alloy hubs, cannot test the maximum bearing capacity of the magnesium-aluminum alloy hubs, and has contingency and low reliability of the testing results.
(II) technical scheme
In order to achieve the purpose, the invention adopts the following technical scheme that the test system for the finished products produced by the automobile magnesium-aluminum alloy wheel hub comprises a bottom plate, supporting and limiting devices and an extrusion test device, wherein the supporting and limiting devices are uniformly arranged in the middle of the upper end face of the bottom plate, and the extrusion test device is arranged on the supporting and limiting devices in a sliding fit mode.
The supporting and limiting device comprises a supporting circular plate, a supporting rod, gear discs, guide gears, gear shafts, driving gears, driving motors, pressure sensing mechanisms and limiting mechanisms, wherein the supporting circular plate is uniformly arranged in the middle of the upper end face of the bottom plate, the supporting rods are arranged in the middle of the supporting circular plate through bearings, the gear discs are arranged on the supporting rods, the guide gears are connected between every two adjacent gear discs in a meshing manner, the gear shafts are arranged at the lower ends of the guide gears and are arranged on the bottom plate through bearings, the right side of the gear disc positioned at the rightmost side is in meshing connection with the driving gears, the driving gears are arranged on output shafts of the driving motors through splines, the driving motors are arranged on the supporting circular plate at the right side through motor bases, the pressure sensing mechanisms are arranged on the supporting rods, the pressure sensing mechanisms are, the limiting mechanism is arranged on the bottom plate.
Extrusion testing arrangement include test bar, reset spring, extrusion head, extrusion stem, spacing pipe, spacing branch, extrusion mechanism, spacing frame and pressure adjustment mechanism, spacing mechanism on the symmetry seted up the spout, install the test bar through sliding fit's mode in the spout, the cover is equipped with reset spring on the test bar, the test bar is close to bracing piece one end and installs the extrusion head, the test bar is kept away from bracing piece one end and is provided with the extrusion stem, the extrusion stem middle part cover is equipped with spacing pipe, spacing branch is installed to spacing pipe lower extreme, the extrusion stem other end be connected with extrusion mechanism, extrusion mechanism installs on spacing frame through sliding fit's mode, spacing frame fixed mounting is on the bottom plate, extrusion mechanism be connected with pressure adjustment mechanism, pressure adjustment mechanism installs on the bottom plate.
As a preferred technical scheme of the invention, the pressure sensing mechanism comprises a limiting block, a pressure sensor and a sensing spring, the limiting block is installed on the supporting rod, the pressure sensor is arranged below the limiting block, the cross section of the pressure sensor is of a circular structure, and the sensing spring is uniformly arranged on the outer wall of the pressure sensor along the circumferential direction of the pressure sensor.
As a preferred technical scheme, the limiting mechanism comprises limiting plates, limiting rods, limiting rings and connecting rods, the limiting plates are symmetrically arranged in the middle of the upper end face of the bottom plate in the left-right direction, the limiting rods are arranged on the limiting plates and connected with the limiting rings, and the limiting rings are connected through the connecting rods.
As a preferred technical scheme of the invention, the extrusion mechanism comprises sliding support rods, a shaft sleeve, a telescopic spring, a transmission shaft, an extrusion cam and a rotating motor, the sliding support rods are symmetrically arranged on the limiting frame in a sliding fit manner, the lower end of each sliding support rod is connected with the shaft sleeve, the telescopic spring is arranged between the middle part of the shaft sleeve and the limiting frame, the transmission shaft is sleeved in the shaft sleeve, the extrusion cam is uniformly arranged on the transmission shaft through splines, and the right end of the transmission shaft is connected with an output shaft of the rotating motor.
As a preferred technical scheme, the pressure adjusting mechanism comprises a fixing plate, a transmission rod, an adjusting gear, a rack plate, a first chain wheel, a second chain wheel, a transmission chain, a rotating rod and a rotating disk, wherein the fixing plate is symmetrically arranged on the left side of the upper end face of the base plate, the transmission rod is arranged on the fixing plate through a bearing, the adjusting gear is symmetrically arranged on the transmission rod in the left-right direction, the rack plate is connected to the upper end of the adjusting gear in a meshed mode, the rack plate is connected with the extrusion mechanism, the first chain wheel is arranged at the right end of the transmission rod, the second chain wheel is arranged between the two first chain wheels, the second chain wheel is connected with the first chain wheel through the transmission chain, the second chain wheel is connected with the rotating disk.
As a preferable technical scheme of the invention, the upper end of the supporting rod is provided with a thread, and the upper end of the supporting rod is provided with a limit nut in a thread matching mode.
In addition, the invention also provides a test method for a finished product produced by the automobile magnesium-aluminum alloy hub, which specifically comprises the following steps:
s1: supporting and limiting: the finished magnesium-aluminum alloy wheel hubs to be tested are sequentially placed on the supporting rods and are limited and supported through the limiting mechanisms, so that the influence of the movement of the wheel hubs on the test result in the test process is prevented;
s2: and (3) extrusion testing: the extrusion mechanism is matched with the supporting and limiting device to perform circumferential extrusion pressure test on the hub, and the extrusion force and the hub deformation are recorded through the pressure sensing mechanism;
s3: pressure regulation: the pressure adjusting mechanism is used for adjusting different pressures generated on the hub, the pressure sensing mechanism is used for recording deformation generated when the hub is extruded by different pressures, and a plurality of groups of data are recorded;
s4: collecting a hub: after the test is finished, the magnalium alloy wheel hubs meeting the standard are screened out by comparing the multiple groups of data with the qualified rigidity data of the wheel hubs, and the qualified magnalium alloy wheel hubs are taken down from the supporting rods 22 to be collected and managed in a unified mode.
(III) advantageous effects
1. The test system for the finished products produced by the automobile magnesium-aluminum alloy hubs, provided by the invention, can solve the problems that the existing magnesium-aluminum alloy hub test system cannot simultaneously test a plurality of magnesium-aluminum alloy hubs, has low test efficiency, cannot limit the hubs, causes deviation of test results, and affects the accuracy of test data, and can also solve the problems that the existing magnesium-aluminum alloy hub test system cannot compare a plurality of groups of data by changing the extrusion force of the magnesium-aluminum alloy hubs, cannot test the maximum bearing capacity of the magnesium-aluminum alloy hubs, and has contingency and low reliability of the test results.
2. According to the test system for the finished products produced by the automobile magnesium-aluminum alloy hubs, the supporting and limiting device can be used for simultaneously carrying out extrusion test on a plurality of hubs and also can be used for carrying out extrusion test on multiple points in the circumferential direction of the magnesium-aluminum alloy hubs, so that the bearing capacity of each point in the circumferential direction of the magnesium-aluminum alloy hubs can be obtained, the maximum bearing capacity of the magnesium-aluminum alloy hubs can be obtained by comparing multiple groups of data, the test efficiency can be improved, and the data accuracy can be improved.
3. According to the test system for the finished products produced by the automobile magnesium-aluminum alloy hub, the extrusion mechanism is matched with the pressure adjusting mechanism, so that multiple groups of data obtained by different extrusion forces acting on the hub can be compared to test the average pressure-bearing capacity and the maximum pressure-bearing capacity of multiple points in the radial direction of the hub, the accidental situations of test results when the same extrusion force acts on the hub can be avoided, the multiple groups of data are compared, the real reliability of the test results can be improved, the pressure generated by the test can be timely displayed by the pressure sensing mechanism, and the data can be conveniently recorded.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic perspective view of a test system for finished products produced by automobile magnesium aluminum alloy hubs, provided by the invention;
FIG. 2 is a schematic diagram of a right side perspective structure of a test system for finished products produced by automobile magnesium aluminum alloy hubs, provided by the invention;
FIG. 3 is a schematic diagram of a left side perspective structure of a test system for finished products produced by automobile magnesium aluminum alloy hubs, provided by the invention;
FIG. 4 is a schematic longitudinal sectional structure view of a test system for finished products produced by the automobile magnesium-aluminum alloy hub provided by the invention;
FIG. 5 is a schematic diagram of a horizontal section structure of a test system for finished products produced by the automobile magnesium-aluminum alloy hub provided by the invention;
FIG. 6 is a flow chart of a method for testing a finished product produced by an automobile magnesium-aluminum alloy hub.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
As shown in fig. 1 to 6, a test system for finished products produced by automobile magnesium aluminum alloy hubs comprises a base plate 1, a supporting limiting device 2 and an extrusion test device 3, wherein the supporting limiting device 2 is evenly arranged in the middle of the upper end face of the base plate 1, and the extrusion test device 3 is installed on the supporting limiting device 2 in a sliding fit mode.
The supporting and limiting device 2 comprises a supporting circular plate 21, a supporting rod 22, gear discs 23, guide gears 24, a gear shaft 25, driving gears 26, a driving motor 27, a pressure sensing mechanism 28 and a limiting mechanism 29, wherein the supporting circular plate 21 is uniformly arranged in the middle of the upper end surface of the bottom plate 1, the supporting rod 22 is arranged in the middle of the supporting circular plate 21 through bearings, the gear discs 23 are arranged on the supporting rod 22, the guide gears 24 are connected between every two adjacent gear discs 23 in a meshing manner, the gear shaft 25 is arranged at the lower end of the guide gear 24, the gear shaft 25 is arranged on the bottom plate 1 through the bearings, the driving gear 26 is connected to the right side of the rightmost gear disc 23 in a meshing manner, the driving gear 26 is arranged on an output shaft of the driving motor 27 through a spline, the driving motor 27 is arranged on the right supporting, the pressure sensing mechanism 28 is positioned above the gear disc 23, the limiting mechanism 29 is arranged outside the pressure sensing mechanism 28, the limiting mechanism 29 is installed on the bottom plate 1, the upper end of the supporting rod 22 is provided with a thread, and the upper end of the supporting rod 22 is provided with a limiting nut in a thread matching manner, when the test device works in detail, the supporting circular plate 21 plays a role of supporting the supporting rod 22, the upper end of the supporting rod 22 is provided with a thread, a magnesium-aluminum alloy hub to be tested is placed at the upper end of the supporting rod 22 and is locked by the limiting nut, so that the magnesium-aluminum alloy hub can be prevented from being influenced by extrusion force deviating from the supporting rod 22 during testing, the driving gear 26 is driven to rotate by the driving motor 27, the guiding gear 24 can be driven to rotate, according to the gear meshing principle, the guiding gear 24 can drive a plurality of gear discs 23 meshed with the, consequently, can make a plurality of bracing pieces 22 slowly rotate, can realize carrying out the purpose of extrusion test to a plurality of wheel hubs simultaneously, and can realize carrying out the extrusion test to magnalium wheel hub circumference multiple spot, can obtain the bearing capacity of magnalium wheel hub circumference each point, contrast through multiunit data, can obtain magnalium wheel hub's the biggest bearing capacity, be favorable to improving efficiency of software testing, be favorable to improving the accuracy of data, pressure sensing mechanism 28 can cooperate with extrusion mechanism 37, will show the extrusion force to wheel hub at every turn, and convenient recording, stop gear 29 plays and supports spacing effect to test rod 31, can prevent the testing process, test rod 31 takes place the skew with wheel hub, be favorable to improving the accuracy of test data.
The pressure sensing mechanism 28 includes a stop block 281, a pressure sensor 282 and a sensing spring 283, the support rod 22 is provided with a limit block 281, the pressure sensor 282 is arranged below the limit block 281, the cross section of the pressure sensor 282 is of a circular structure, the outer wall of the pressure sensor 282 is uniformly provided with sensing springs 283 along the circumferential direction, when the support rod works, the limit block 281 plays a role in limiting the hub arranged on the support rod 22, after the test is started, the test rod 31 and the extrusion head 33 will generate radial extrusion force to the hub, the sensing spring 283 is tightly attached to the hub, the extrusion force can be transmitted to the pressure sensor 282 in time, and pressure sensor 282 can show the pressure size at this moment, makes things convenient for the record of data, can confirm the deformation volume that produces after the wheel hub receives the extrusion through observing the deformation volume of sensing spring 283 moreover, is favorable to obtaining the maximum bearing capacity of wheel hub fast.
The extrusion testing device 3 comprises a testing rod 31, a reset spring 32, an extrusion head 33, an extrusion rod 34, a limiting pipe 35, a limiting support rod 36, an extrusion mechanism 37, a limiting frame 38 and a pressure adjusting mechanism 39, wherein the limiting mechanism 29 is symmetrically provided with sliding grooves, the testing rod 31 is installed in the sliding grooves in a sliding fit mode, the reset spring 32 is sleeved on the testing rod 31, the extrusion head 33 is installed at one end, close to the support rod 22, of the testing rod 31, the extrusion rod 34 is arranged at one end, far away from the support rod 22, of the testing rod 31, the limiting pipe 35 is sleeved in the middle of the extrusion rod 34, the limiting support rod 36 is installed at the lower end of the limiting pipe 35, the other end of the extrusion rod 34 is connected with the extrusion mechanism 37, the extrusion mechanism 37 is installed on the limiting frame 38 in a sliding fit mode, the limiting frame 38 is fixedly installed on the bottom, the pressure adjusting mechanism 39 is installed on the bottom plate 1, during specific work, the limiting frame 38 plays a role of supporting the extrusion mechanism 37 in a sliding manner, the extrusion mechanism 37 can provide extrusion power for the extrusion rod 34, the limiting tube 35 plays a role of limiting and supporting the extrusion rod 34, when the extrusion rod 34 is acted by the extrusion force, the testing rod 31 can be pushed to extrude the hub in a radial direction, the extrusion head 33 is contacted with the hub to play a role of protecting the hub, the hub is prevented from generating larger deformation due to overlarge impact force on the hub in the testing process, the pressure adjusting mechanism 39 plays a role of changing the distance between the extrusion mechanism 37 and the hub, under the same condition, the closer the extrusion mechanism 37 is to the hub, the larger the extrusion force is generated on the hub, therefore, the purposes of comparing and testing the average bearing capacity and the maximum bearing capacity of multiple points in the radial direction of the hub by using different extrusion forces to obtain multiple groups of data on the hub through the cooperation of the pressure adjusting mechanism 39 and, the condition that the test result has the contingency under the action of the same acting force on the hub is avoided, and the multiple groups of data are compared, so that the real reliability of the test result is improved.
The squeezing mechanism 37 comprises a sliding support rod 371, a shaft sleeve 372, a telescopic spring 373, a transmission shaft 374, a squeezing cam 375 and a rotating motor 376, the sliding support rod 371 is symmetrically installed on the limiting frame 38 in a sliding fit manner, the lower end of the sliding support rod 371 is connected with the shaft sleeve 372, the telescopic spring 373 is arranged between the middle part of the shaft sleeve 372 and the limiting frame 38, the transmission shaft 374 is sleeved in the shaft sleeve 372, the squeezing cam 375 is evenly installed on the transmission shaft 374 through splines, the right end of the transmission shaft 374 is connected with an output shaft of the rotating motor 376, in specific work, the transmission shaft 374 is driven to rotate by the rotating motor 376, the squeezing cam 375 is installed on the transmission shaft 374, squeezing force can be generated on the squeezing rod 34 by rotating the squeezing cam 375, so that the purpose of providing squeezing power for the squeezing rod 34 is achieved, the squeezing cam 375 is the same, the squeezing cam, conveniently with the cooperation of pressure adjustment mechanism 39, axle sleeve 372 plays the effect to the spacing support of transmission shaft 374, and slip branch 371 plays the effect to the axle sleeve support, and expanding spring 373 plays and provides the effect of spring elasticity when adjusting transmission shaft 374's position, is favorable to increasing the stationarity that transmission shaft 374 moved.
The pressure adjusting mechanism 39 comprises a fixed plate 391, a transmission rod 392, an adjusting gear 393, a rack plate 394, a first chain wheel 395, a second chain wheel 396, a transmission chain 397, a rotating rod 398 and a rotating disc 399, wherein the fixed plate 391 is symmetrically installed on the left side of the upper end surface of the bottom plate 1, the transmission rod 392 is installed on the fixed plate 391 through a bearing, the adjusting gear 393 is symmetrically installed on the transmission rod 392 in the left-right direction, the rack plate 394 is connected to the upper end of the adjusting gear 393 in a meshed manner, the rack plate 394 is connected with the squeezing mechanism 37, the first chain wheel 395 is installed at the right end of the transmission rod 392, the second chain wheel 396 is arranged between the two first chain wheels 395, the second chain wheel 396 is connected with the first chain wheel 395 through the transmission chain 397, the second chain wheel 396 is connected with the rotating disc 399 through the rotating rod 398, a rotating handle is arranged on the rotating disc 399, the turntable 399 is connected with the second chain wheel 396 through a rotating rod 398, so that the second chain wheel 396 can be driven to rotate by the turntable 399, the second chain wheel 396 is connected with the first chain wheel 395 through a transmission chain 397, so that the first chain wheel 395 can be driven to rotate, and further can drive the transmission rod 392 to rotate, the transmission rod 392 is symmetrically provided with adjusting gears 393 at left and right, the adjusting gears 393 are engaged and connected with rack plates 394, the rack plates 394 are connected with the rotating motor 376 and the transmission shaft 374, the rack plate 394 can be displaced in the direction closer to the hub by the rotation of the adjusting gear 393, thereby achieving the purpose of adjusting the positions of the rotating motor 376 and the transmission shaft 374, rotate certain angle through adjusting gear 393 and can realize the different pressure test of multiunit to wheel hub, be favorable to obtaining multiunit test data, be favorable to multiunit data can contrast the accuracy that improves the test result.
In addition, the invention also provides a test method for a finished product produced by the automobile magnesium-aluminum alloy hub, which specifically comprises the following steps:
s1: supporting and limiting: the finished magnesium-aluminum alloy wheel hubs to be tested are sequentially placed on the supporting rods 22 and are limited and supported through the limiting mechanisms 29, so that the influence of the movement of the wheel hubs on the test result in the test process is prevented;
s2: and (3) extrusion testing: the extrusion mechanism 37 is matched with the supporting and limiting device 2 to perform circumferential extrusion pressure test on the hub, and the extrusion force and the hub deformation are recorded through the pressure sensing mechanism 28;
s3: pressure regulation: the pressure adjusting mechanism 39 is used for adjusting different pressures generated on the hub, the pressure sensing mechanism 28 is used for recording deformation generated when the hub is extruded by different pressures, and a plurality of groups of data are recorded;
s4: collecting a hub: after the test is finished, the magnalium alloy wheel hubs meeting the standard are screened out by comparing the multiple groups of data with the qualified rigidity data of the wheel hubs, and the qualified magnalium alloy wheel hubs are taken down from the supporting rods 22 to be collected and managed in a unified mode.
Those skilled in the art will appreciate that variations may be implemented by those skilled in the art in combination with the prior art and the above-described embodiments, and will not be described in detail herein. Such variations do not affect the essence of the present invention and are not described herein.
The above description is of the preferred embodiment of the invention. It is to be understood that the invention is not limited to the particular embodiments described above, in that devices and structures not described in detail are understood to be implemented in a manner common in the art; it will be understood by those skilled in the art that various changes and modifications may be made, or equivalents may be modified, without departing from the spirit of the invention. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention are still within the scope of the protection of the technical solution of the present invention, unless the contents of the technical solution of the present invention are departed.
Claims (7)
1. The utility model provides a car magnadure wheel hub produces finished product test system, includes bottom plate (1), supports stop device (2) and extrusion testing arrangement (3), its characterized in that: the middle part of the upper end face of the bottom plate (1) is uniformly provided with supporting and limiting devices (2), and the supporting and limiting devices (2) are provided with extrusion testing devices (3) in a sliding fit manner; wherein:
the supporting and limiting device (2) comprises supporting circular plates (21), supporting rods (22), gear discs (23), guide gears (24), gear shafts (25), driving gears (26), driving motors (27), pressure sensing mechanisms (28) and limiting mechanisms (29), the supporting circular plates (21) are evenly arranged in the middle of the upper end face of the bottom plate (1), the supporting rods (22) are arranged in the middle of the supporting circular plates (21) through bearings, the gear discs (23) are arranged on the supporting rods (22), the guide gears (24) are connected between every two adjacent gear discs (23) in a meshing mode, the gear shafts (25) are arranged at the lower ends of the guide gears (24), the gear shafts (25) are arranged on the bottom plate (1) through bearings, the rightmost side of each gear disc (23) is connected with the driving gear (26) in a meshing mode, the driving gears (26) are arranged on output shafts of the driving motors (27), the driving motor (27) is installed on the right side supporting circular plate (21) through a motor base, the supporting rod (22) is provided with a pressure sensing mechanism (28), the pressure sensing mechanism (28) is located above the gear disc (23), the outer side of the pressure sensing mechanism (28) is provided with a limiting mechanism (29), and the limiting mechanism (29) is installed on the bottom plate (1);
the extrusion testing device (3) comprises a testing rod (31), a reset spring (32), an extrusion head (33), an extrusion rod (34), a limiting tube (35), a limiting support rod (36), an extrusion mechanism (37), a limiting frame (38) and a pressure adjusting mechanism (39), wherein sliding grooves are symmetrically formed in the limiting mechanism (29), the testing rod (31) is installed in the sliding grooves in a sliding fit mode, the reset spring (32) is sleeved on the testing rod (31), the extrusion head (33) is installed at one end, close to the support rod (22), of the testing rod (31), the extrusion rod (34) is arranged at one end, away from the support rod (22), of the testing rod (31), the limiting tube (35) is sleeved in the middle of the extrusion rod (34), the limiting support rod (36) is installed at the lower end of the limiting tube (35), the other end of the extrusion rod (34) is connected with the extrusion mechanism (37), the extrusion mechanism (37) is installed on the limiting frame (38, the limiting frame (38) is fixedly installed on the bottom plate (1), the extrusion mechanism (37) is connected with the pressure adjusting mechanism (39), and the pressure adjusting mechanism (39) is installed on the bottom plate (1).
2. The automobile magnesium aluminum alloy hub production finished product testing system of claim 1, wherein: pressure sensing mechanism (28) include stopper (281), pressure sensor (282) and sensing spring (283), bracing piece (22) on install stopper (281), stopper (281) below is provided with pressure sensor (282), pressure sensor (282) cross-section is circular structure, evenly is provided with sensing spring (283) along its circumference on pressure sensor (282) outer wall.
3. The automobile magnesium aluminum alloy hub production finished product testing system of claim 1, wherein: stop gear (29) include limiting plate (291), gag lever post (292), spacing ring (293) and connecting rod (294), bottom plate (1) up end middle part bilateral symmetry install limiting plate (291), install gag lever post (292) on limiting plate (291), gag lever post (292) and spacing ring (293) are connected, connect through connecting rod (294) between a plurality of spacing rings (293).
4. The automobile magnesium aluminum alloy hub production finished product testing system of claim 1, wherein: extrusion mechanism (37) including slip branch (371), axle sleeve (372), expanding spring (373), transmission shaft (374), extrusion cam (375) and rotation motor (376), spacing (38) on install slip branch (371) through sliding fit's mode symmetry, slip branch (371) lower extreme is connected with axle sleeve (372), be provided with expanding spring (373) between axle sleeve (372) middle part and spacing (38), axle sleeve (372) endotheca is equipped with transmission shaft (374), evenly install extrusion cam (375) through the spline on transmission shaft (374), transmission shaft (374) right-hand member and the output shaft who rotates motor (376).
5. The automobile magnesium aluminum alloy hub production finished product testing system of claim 1, wherein: the pressure adjusting mechanism (39) comprises a fixing plate (391), a transmission rod (392), adjusting gears (393), a rack plate (394), a first chain wheel (395), a second chain wheel (396), a transmission chain (397), a rotating rod (398) and a rotating disc (399), wherein the fixing plate (391) is symmetrically installed on the left side of the upper end face of the bottom plate (1), the transmission rod (392) is installed on the fixing plate (391) through a bearing, the adjusting gears (393) are symmetrically installed on the transmission rod (392) in the left-right direction, the rack plate (394) is connected to the upper end of the adjusting gears (393) in a meshing manner, the rack plate (394) is connected with the extrusion mechanism (37), the first chain wheel (395) is installed at the right end of the transmission rod (392), the second chain wheel (396) is arranged between the two first chain wheels (395), and the second chain wheel (396) is connected with the first chain wheel, the second chain wheel (396) is connected with the rotary table (399) through a rotary rod (398), and a rotary handle is arranged on the rotary table (399).
6. The automobile magnesium aluminum alloy hub production finished product testing system of claim 1, wherein: the upper end of the supporting rod (22) is provided with threads, and the upper end of the supporting rod (22) is provided with a limiting nut in a thread matching mode.
7. The automobile magnesium aluminum alloy hub production finished product testing system of claim 1, wherein: when the automobile magnesium-aluminum alloy hub production finished product testing system is used for testing the hub, the method comprises the following steps:
s1: supporting and limiting: finished magnesium-aluminum alloy hubs to be tested are sequentially placed on the supporting rods (22) and are limited and supported through the limiting mechanisms (29), so that the influence of the movement of the hubs on the test result in the test process is prevented;
s2: and (3) extrusion testing: the extrusion mechanism (37) is matched with the supporting and limiting device (2) to perform circumferential extrusion pressure test on the hub, and the extrusion force and the hub deformation are recorded through the pressure sensing mechanism (28);
s3: pressure regulation: the pressure adjusting mechanism (39) is used for adjusting different pressures generated on the hub, the pressure sensing mechanism (28) is used for recording deformation generated when the hub is extruded by different pressures, and a plurality of groups of data are recorded;
s4: collecting a hub: after the test is finished, the magnalium alloy wheel hubs meeting the standard are screened out by comparing the multiple groups of data with the qualified rigidity data of the wheel hubs, and the qualified magnalium alloy wheel hubs are taken down from the supporting rod (22) to be collected and managed in a unified mode.
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| CN202110389996.XA CN113092275A (en) | 2021-04-12 | 2021-04-12 | System and method for testing finished products produced by automobile magnesium-aluminum alloy hubs |
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| CN202110389996.XA CN113092275A (en) | 2021-04-12 | 2021-04-12 | System and method for testing finished products produced by automobile magnesium-aluminum alloy hubs |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115165594A (en) * | 2022-07-18 | 2022-10-11 | 山东金博电动车有限公司 | Pressure-bearing test bench for hub of electric vehicle |
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2021
- 2021-04-12 CN CN202110389996.XA patent/CN113092275A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115165594A (en) * | 2022-07-18 | 2022-10-11 | 山东金博电动车有限公司 | Pressure-bearing test bench for hub of electric vehicle |
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