Automobile tire performance detection testing machine and detection testing method
Technical Field
The invention relates to the technical field of automobile tire manufacturing, in particular to an automobile tire performance detection testing machine and a detection testing method.
Background
The automobile tire is one of important parts of the automobile, is directly contacted with a road surface, and is used for relieving the impact on the automobile when the automobile runs together with an automobile suspension so as to ensure that the automobile has good riding comfort and running smoothness; the good adhesion between the wheels and the road surface is ensured; the traction, braking and passing performance of the automobile are improved; bearing the weight of the automobile, the important role of the tire on the automobile is more and more paid attention by people. In the process of manufacturing the automobile tire, the performance of the automobile tire needs to be detected, so that the manufactured automobile tire is ensured to meet the use requirement.
When the existing automobile tire performance detection equipment is used for detecting and testing the automobile tire performance, the following problems are often caused:
(1) when the existing automobile tire performance detection equipment is used for detecting and testing the automobile tire performance, the free detection is usually carried out only in the circumferential direction of the automobile tire or the fixed-point detection is carried out only in the circumferential direction of the automobile tire, and the free detection and the fixed-point detection are not combined, so that the detection result of the automobile tire performance is inaccurate, and the normal use of the automobile tire is influenced;
(2) when the existing automobile tire performance detection equipment is used for detecting and testing the automobile tire performance, the performance of the automobile tire is usually detected on one rough surface, and various complex road conditions of the automobile tire in the actual use process are not simulated, so that the performance detection result of the automobile tire is lack of contrast and reliable support, and the condition that the automobile tire detection result is inaccurate is caused.
In order to make up for the defects of the prior art, the invention provides a testing machine and a testing method for testing the performance of an automobile tire.
Disclosure of Invention
The technical scheme adopted by the invention to solve the technical problem is as follows: a testing machine for testing the performance of an automobile tire comprises a workbench, a rotating device, a pressing device, a fixing device and a testing device, wherein the rotating device is installed on the right side of the upper end of the workbench; wherein:
the rotating device comprises a supporting column, a rotating motor, a tooth-lacking gear, a rack, a rotating plate, a telescopic sleeve, a compression rod and a compression spring, wherein the supporting column is arranged on the right side of the upper end of the workbench, the rotating motor is arranged on the upper side of the rear end of the supporting column through a motor mounting plate, the tooth-lacking gear is arranged at the output end of the rotating motor, the rack is arranged on the upper side of the rear end of the supporting column in a sliding fit manner, the rack is meshed with the tooth-lacking gear, the rotating plate is arranged at the left end of the rack through a hinge, the telescopic sleeve is arranged on the front side of the upper end of the supporting column, the compression rod is arranged on the left side of the telescopic sleeve in a sliding fit manner, the compression spring is arranged between the compression rod and the telescopic sleeve, the left side of the compression rod is arranged on the front end of the rotating plate through a pin shaft, when the tire to be detected is placed on the workbench manually, the tire is locked and fixed through a fixing device, so that the rotating motor drives the tooth-lacking gear, make the rack drive the rotor plate and rotate to make fixing device drive the tire and simulate the tire on testing arrangement and turn to, and then carry out the free detection to the tire, and the gear lacking drives the rotor plate and rotate the in-process, move along the telescope tube through compression spring extrusion compression pole, thereby make rotor plate reciprocating rotation, make the free detection of tire performance constantly go on.
The pressing device comprises a U-shaped mounting plate, a thread block, a locking screw, a sliding plate, a dovetail block, an arc block, a sliding block and a pressing spring, wherein the U-shaped mounting plate is arranged at the lower end of the rotating plate, the thread block is symmetrically arranged at the left and right of the U-shaped mounting plate, the locking screw is arranged in the middle of the thread block in a thread fit mode, the sliding plate is arranged at the lower end of the locking screw through a bearing, the dovetail block is symmetrically arranged at the inner side of the sliding plate in a front-back sliding fit mode, the sliding block is symmetrically arranged at the front and back of the arc block, the sliding block is arranged in the sliding plate in a sliding fit mode, the upper end of the arc plate is connected with the sliding plate through the pressing spring, during specific work, the locking screw is manually rotated in the free detection process, so that the locking screw drives the sliding plate to descend along the dovetail block, and the pressing spring extrudes the arc block to descend along the sliding block, make the arc piece laminating in receiving and detect the tire upper end to it is fixed to receive the locking of detection tire circumference, avoid tire testing process along circumference rotation, thereby make rotating device carry out the fixed point to the performance of tire and detect.
Testing arrangement is including surveying the board, the rectangular block, regulating plate and adjusting screw, survey the board setting in workstation upper end left side, survey the board lower extreme bilateral symmetry and install the rectangular block, the rectangular block passes through sliding fit's mode and installs in workstation upper end left side, test board left end mid-mounting has the regulating plate, adjusting screw is installed through sliding fit's mode in the regulating plate middle part, concrete during operation, through artifical unscrewing adjusting screw, make regulating plate and workstation, thereby make the regulating plate drive survey the board and follow the rectangular block back-and-forth movement, thereby adjust and survey different experimental environment of board simulation tire, survey the board position determination back, through artifical reverse rotation adjusting screw, thereby it is fixed to survey the board position locking.
According to a preferred technical scheme, the fixing device comprises an installation sleeve, a fixing plate, a fixing rod, a fixing screw and a locking mechanism, the installation sleeve is symmetrically installed at the lower end of a U-shaped installation plate in a front-back mode through a bearing, the fixing plate is arranged at the front end of the U-shaped installation plate, the fixing rod is installed at the rear end of the fixing plate, the fixing screw is installed on the upper side of the front end of the fixing plate in a threaded fit mode, the locking mechanism is symmetrically installed on the left side and the right side of the fixing plate, during specific work, a tire to be detected is placed on a workbench through manpower, the fixing plate drives the fixing rod to be inserted into the middle of the tire to be detected, the fixing screw is screwed into the U-shaped installation plate through the manpower, the fixing plate drives the fixing rod to lock and fix the tire, and meanwhile the fixing plate is locked and fixed through the locking mechanism.
As a preferred technical scheme of the invention, the locking mechanism comprises a clamping rod, a T-shaped block, a locking sleeve, a locking rod and a locking spring, the clamping rod is arranged on the fixing plate, the T-shaped block is arranged on the inner side of the clamping plate, the T-shaped block is arranged on the inner side of the U-shaped mounting plate in a sliding fit mode, the locking sleeve is arranged at the lower end of the clamping rod and arranged on the U-shaped mounting plate, the locking rod is arranged at the upper end of the locking sleeve in a sliding fit mode, the locking spring is arranged between the locking rod and the locking sleeve, and during specific work, the locking rod moves towards the rear side along the T-shaped block, so that the locking spring extrudes the locking rod to lift along the locking sleeve, and the fixing plate is locked and fixed through the clamping rod.
According to the preferable technical scheme, the arc-shaped grooves are formed between the racks and the supporting columns, the balls are arranged in the arc-shaped grooves, the arc-shaped grooves prevent the balls from being separated from the racks and the supporting columns, and the sliding friction between the racks and the supporting columns is converted into rolling friction by the balls, so that the friction resistance is reduced, and the accurate transmission is ensured.
As a preferred technical scheme, a semicircular clamping block is arranged on the lower side of the rear end of the clamping rod, an inverted circle is arranged at the upper end of the locking rod, the semicircular clamping block is attached to the rear end of the inverted circle in a clamping mode, and the semicircular clamping block and the inverted circle are convenient to fast clamp and separate the clamping rod and the locking rod.
As a preferred technical scheme, the upper end of the test board is sequentially provided with the semicircular bulge, the rectangular bulge and the sharp-angled bulge from front to back, and different driving environments of the tire are simulated through the semicircular bulge, the rectangular bulge and the sharp-angled bulge which are sequentially arranged from front to back on the upper end of the test board, so that a more reliable performance detection result of the tire is ensured.
As a preferable technical scheme, threaded holes are uniformly formed in the left side of the upper end of the workbench from front to back, adjusting screws are installed in the threaded holes in a thread matching mode, and the adjusting screws are installed in the threaded holes at different positions, so that the test board is adjusted to simulate different test environments of the tire.
The specific detection test method of the automobile tire performance detection test machine comprises the following steps:
s1, equipment detection: before starting an automobile tire performance detection tester to detect the tire performance, the automobile tire performance detection tester is checked;
s2, adjusting a test environment: after the equipment detection is finished, the testing device is manually adjusted, so that the tire to be detected is in different testing environments;
s3, feeding and fixing: manually placing a tire to be detected on a workbench, and locking and fixing the tire to be detected through a fixing device;
s4, free detection: after the feeding and fixing, the rotating device drives the tire to be detected to simulate steering action, so that the circumferential direction of the tire to be detected is freely detected;
s5, fixed point detection: in the free detection process, the tire is pressed and fixed through manually adjusting the pressing device, so that the rotating device drives the tire to be detected to perform fixed-point detection;
s6, blanking observation: after the detection is finished, the detected tire is manually taken down and observed, and therefore the performance result of the tire is obtained.
Compared with the prior art, the invention has the following advantages:
1. according to the automobile tire performance detection testing machine and the detection testing method, the automobile tire is locked and fixed and then freely detected and detected at a fixed point, so that the result of the automobile tire performance is obtained, and different testing environments of the tire are simulated through the testing plate, so that the performance detection result of the automobile tire is more accurate and reliable;
2. the invention provides a testing machine and a testing method for testing the performance of an automobile tire.A tire is driven to simulate the steering of the tire on a testing board through a set toothless gear, so that the tire is freely tested;
3. according to the automobile tire performance detection testing machine and the detection testing method, the sliding plate is driven to descend by the locking screw 33, so that the arc-shaped block is attached to the upper end of the detected tire, the detected tire is locked and fixed in the circumferential direction, circumferential rotation in the tire detection process is avoided, and further the tire is subjected to fixed-point detection;
4. according to the automobile tire performance detection testing machine and the detection testing method, different driving environments of a tire are simulated through the semicircular bulges, the rectangular bulges and the sharp-angled bulges which are sequentially arranged from front to back at the upper end of the testing plate, so that the tire performance detection result is more reliable.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic perspective view of the present invention in its working state;
FIG. 2 is a top plan view of the working condition of the present invention;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2 in accordance with the present invention;
FIG. 4 is a cross-sectional view taken along line B-B of FIG. 2 in accordance with the present invention;
FIG. 5 is a schematic plan view (from front to back) of the pressing device and the fixing device of the present invention;
FIG. 6 is a cross-sectional view taken along line C-C of FIG. 5 in accordance with the present invention;
FIG. 7 is a partial cross-sectional view between the U-shaped mounting plate and the fixture of the present invention.
Detailed Description
In order to make the technical means, the creation features, the achievement purposes and the effects of the invention easy to understand, the invention is further explained with reference to fig. 1 to 7.
A testing machine for testing the performance of an automobile tire comprises a workbench 1, a rotating device 2, a pressing device 3, a fixing device 4 and a testing device 5, wherein the rotating device 2 is installed on the right side of the upper end of the workbench 1, the pressing device 3 is installed on the left side of the lower end of the rotating device 2, the fixing device 4 is installed at the lower end of the pressing device 3, and the testing device 5 is installed on the left side of the upper end of the workbench 1; wherein:
the rotating device 2 comprises a supporting column 21, a rotating motor 22, a tooth-missing gear 23, a rack 24, a rotating plate 25, a telescopic sleeve 26, a compression rod 27 and a compression spring 28, wherein the supporting column 21 is installed on the right side of the upper end of the workbench 1, the rotating motor 22 is installed on the upper side of the rear end of the supporting column 21 through a motor installation plate, the tooth-missing gear 23 is installed at the output end of the rotating motor 22, the rack 24 is installed on the upper side of the rear end of the supporting column 21 in a sliding fit manner, the rack 24 is meshed with the tooth-missing gear 23, the rotating plate 25 is installed at the left end of the rack 24 through a hinge, the telescopic sleeve 26 is installed on the front side of the upper end of the supporting column 21, the compression rod 27 is installed on the left side of the telescopic sleeve 26 in a sliding fit manner, the compression spring 28 is arranged between the compression rod 27 and the telescopic sleeve 26, the left side of the compression rod 27 is installed at the front end of the rotating plate 25 through a pin shaft, during specific work, a tire to be detected is manually placed on the workbench 1, it is fixed with its locking through fixing device 4 to make rotating electrical machines 22 drive the gear wheel that lacks tooth 23, make rack 24 drive rotor plate 25 and rotate, thereby make fixing device 4 drive the tire and simulate the tire on testing arrangement 5 and turn to, and then carry out the free detection to the tire, and the gear wheel that lacks tooth 23 drives rotor plate 25 and rotate the in-process, extrude compression rod 27 through compression spring 28 and remove along telescopic sleeve 26, thereby make rotor plate 25 reciprocating rotation, make the free detection of tire performance constantly go on.
All be provided with the arc wall between rack 24 and the support column 21, be provided with the ball in the arc wall, the ball is avoided breaking away from rack 24 and support column 21 to the arc wall, and the ball converts the sliding friction between rack 24 and the support column 21 into rolling friction to reduce frictional resistance, guarantee that the transmission is accurate goes on.
The pressing device 3 comprises a U-shaped mounting plate 31, a thread block 32, a locking screw 33, a sliding plate 34, a dovetail block 35, an arc block 36, a sliding block 37 and a pressing spring 38, wherein the U-shaped mounting plate 31 is mounted at the lower end of the rotating plate 25, the thread blocks 32 are symmetrically mounted on the left and right sides of the U-shaped mounting plate 31, the locking screw 33 is mounted in the middle of the thread block 32 in a thread fit manner, the sliding plate 34 is mounted at the lower end of the locking screw 33 through a bearing, the dovetail blocks 35 are symmetrically mounted on the inner side of the sliding plate 34 in a front-back sliding fit manner, the arc block 36 is arranged in the sliding plate 34, the sliding block 37 is symmetrically mounted on the front and back of the arc block 36, the sliding block 37 is mounted in the sliding plate 34 in a sliding fit manner, the upper end of the arc plate is connected with the sliding plate 34 through the pressing spring 38, and during specific work, the locking screw 33 is manually rotated in a free detection process, make locking screw 33 drive sliding plate 34 and descend along dovetail block 35 to make pressure spring 38 extrusion arc piece 36 descend along sliding block 37, make arc piece 36 laminate in receiving the tire upper end that detects, thereby will receive that the tire circumference locking is fixed, avoid tire testing in-process along the rotation in week, thereby make rotating device 2 carry out the fixed point and detect to the performance of tire.
Fixing device 4 includes installation cover 41, fixed plate 42, dead lever 43, clamping screw 44 and locking mechanism 45, installation cover 41 passes through the bearing fore-and-aft symmetry and installs at U-shaped mounting panel 31 lower extreme, U-shaped mounting panel 31 front end is provided with fixed plate 42, dead lever 43 is installed to fixed plate 42 rear end, clamping screw 44 is installed through screw-thread fit's mode to fixed plate 42 front end upper side, locking mechanism 45 is installed to fixed plate 42 bilateral symmetry, during specific work, will wait to detect the tire and place on workstation 1 through the manual work, make fixed plate 42 drive dead lever 43 insert and wait to detect the tire middle part, and through the manual work with clamping screw 44 screw in U-shaped mounting panel 31, make fixed plate 42 drive dead lever 43 fixed with tire locking, it is fixed to lock fixed plate 42 simultaneously through locking mechanism 45.
The locking mechanism 45 comprises a clamping rod 451, a T-shaped block 452, a locking sleeve 453, a locking rod 454 and a locking spring 455, the clamping rod 451 is installed on the fixing plate 42, the T-shaped block 452 is installed on the inner side of the clamping plate, the T-shaped block 452 is installed on the inner side of the U-shaped mounting plate 31 in a sliding fit mode, the locking sleeve 453 is arranged at the lower end of the clamping rod 451, the locking sleeve 453 is installed on the U-shaped mounting plate 31, the locking rod 454 is installed at the upper end of the locking sleeve 453 in a sliding fit mode, the locking spring 455 is arranged between the locking rod 454 and the locking sleeve 453, during specific work, the locking rod 451 moves towards the rear side along the T-shaped block 452, the locking spring 455 extrudes the locking rod 454 to ascend and descend along the locking sleeve 453, and the locking rod 454 locks and fixes the fixing plate 42 through the clamping rod 451.
Clamping rod 451 rear end downside is provided with the semicircle fixture block, and the locking lever 454 upper end is provided with the radius, and the semicircle fixture block passes through the mode laminating of joint at the radius rear end, and quick joint and separation between convenient clamping rod 451 of semicircle fixture block and the radius and the locking lever 454.
Testing arrangement 5 includes testing board 51, rectangular block 52, regulating plate 53 and adjusting screw 54, testing board 51 sets up in workstation 1 upper end left side, testing board 51 lower extreme bilateral symmetry installs rectangular block 52, rectangular block 52 installs in workstation 1 upper end left side through sliding fit's mode, testing board 51 left end mid-mounting has regulating plate 53, adjusting plate 53 installs adjusting screw 54 through sliding fit's mode in the middle part, concrete during operation, through artifical unscrew adjusting screw 54, make regulating plate 53 and workstation 1, thereby make regulating plate 53 drive testing board 51 along rectangular block 52 back-and-forth movement, thereby adjust testing board 51 simulation tire different experimental environment, testing board 51 position determination back, through artifical reverse rotation adjusting screw 54, thereby will test board 51 position locking fixed.
Survey test panel 51 upper end and set gradually semicircle arch, rectangle arch and closed angle arch from the past backward, simulate the different driving environment of tire through survey test panel 51 upper end and follow the past backward semicircle arch, rectangle arch and closed angle arch that are equipped with in proper order to guarantee that tire performance testing result is more reliable.
Evenly be provided with the screw hole in the past backward on workstation 1 upper end left side, adjusting screw 54 installs at the screw hole through screw-thread fit's mode, installs the screw hole at different positions through adjusting screw 54 to adjust and survey test panel 51 simulation tire different test environment.
The specific detection test method of the automobile tire performance detection test machine comprises the following steps:
s1, equipment detection: before starting an automobile tire performance detection tester to detect the tire performance, the automobile tire performance detection tester is checked;
s2, adjusting a test environment: after the equipment detection is finished, the testing device 5 is manually adjusted, so that the tire to be detected is in different testing environments;
s3, feeding and fixing: manually placing a tire to be detected on the workbench 1, and locking and fixing the tire to be detected through the fixing device 4;
s4, free detection: after the feeding and the fixing, the rotating device 2 drives the tire to be detected to simulate the steering action, so that the circumferential direction of the tire to be detected is freely detected;
s5, fixed point detection: in the free detection process, the tire is pressed and fixed through manually adjusting the pressing device 3, so that the rotating device 2 drives the tire to be detected to perform fixed-point detection;
s6, blanking observation: after the detection is finished, the detected tire is manually taken down and observed, and therefore the performance result of the tire is obtained.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.