CN113252367A - Radial tire production and manufacturing fatigue test system and test method - Google Patents
Radial tire production and manufacturing fatigue test system and test method Download PDFInfo
- Publication number
- CN113252367A CN113252367A CN202110517537.5A CN202110517537A CN113252367A CN 113252367 A CN113252367 A CN 113252367A CN 202110517537 A CN202110517537 A CN 202110517537A CN 113252367 A CN113252367 A CN 113252367A
- Authority
- CN
- China
- Prior art keywords
- radial tire
- test
- rod
- tire
- shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Images
Classifications
-
- 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
- G01M17/02—Tyres
-
- 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
- G01M17/02—Tyres
- G01M17/021—Tyre supporting devices, e.g. chucks
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N19/00—Investigating materials by mechanical methods
- G01N19/02—Measuring coefficient of friction between materials
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Automation & Control Theory (AREA)
- Engineering & Computer Science (AREA)
- Tires In General (AREA)
Abstract
The invention provides a radial tire production and manufacturing fatigue test system and a test method, which comprise a base, a support plate, a ground simulation mechanism, a fixing mechanism, a driving mechanism, a round hole and a cooling mechanism, and can solve the following problems: the conventional radial tire is inconvenient to fix during a fatigue test, complex to operate, low in working efficiency and high in labor intensity, the friction force of the tire is detected mainly by friction with the ground during the test, the test friction force is inconvenient to change during the test, the test detection performance is single, the tire is heated during the test, the temperature rise is continuously increased along with the extension of the test time until the temperature limit allowed by the radial rubber tire is approached, the test is stopped at the moment, the time for waiting for the temperature reduction of the tire is usually longer than the time for loading the test, and therefore the problems of long idle time and low test efficiency are caused.
Description
Technical Field
The invention relates to the field of tire production and manufacturing, in particular to a radial tire production and manufacturing fatigue test system and a radial tire production and manufacturing fatigue test method.
Background
The radial tire is a structural form of the tire, is commonly called a steel wire tire and consists of a tire bead, a tire body, a belt ply, a crown band, tread rubber, a tread lower rubber layer, a tire side rubber and an inner liner layer, and is named after the radial on a globe that the weaving arrangement direction of partial curtain cloth of the tire forms an angle of 90 degrees with the center line of the tire side. Generally, the steel wire layer is added on the top of the tire, so that the tire can bear larger compressive stress, the tire tread is not easy to deform, the tire tread has good ground holding power and stability, and the tire is suitable for high-speed driving.
The prior radial tire may encounter the following problems in the production and manufacturing fatigue test process:
1. the existing radial tire is inconvenient to fix and complex to operate when being used for carrying out a fatigue test, so that the working efficiency is reduced, and two labor intensities are increased;
2. the conventional radial tire mainly depends on friction with the ground when in fatigue test, and the friction force of the tire is detected, so that the friction force of the test is inconvenient to change during the test, and the test detection performance is single;
3. the existing radial tire generates temperature rise when a fatigue test is carried out, the temperature rise is continuously improved along with the extension of test time until the temperature limit allowed by the radial rubber tire is approached, the test is stopped at the moment, the temperature of the tire is waited to be reduced, the time of waiting for temperature reduction is always longer than that of a loading test, and therefore, the idle time is long, and the test efficiency is low.
Disclosure of Invention
Technical problem to be solved
The invention can solve the following problems: the conventional radial tire is inconvenient to fix during a fatigue test, complex to operate, low in working efficiency and high in labor intensity, the friction force of the tire is detected mainly by friction with the ground during the test, the test friction force is inconvenient to change during the test, the test detection performance is single, the tire is heated during the test, the temperature rise is continuously increased along with the extension of the test time until the temperature limit allowed by the radial rubber tire is approached, the test is stopped at the moment, the time for waiting for the temperature reduction of the tire is usually longer than the time for loading the test, and therefore the problems of long idle time and low test efficiency are caused.
(II) technical scheme
In order to achieve the purpose, the invention adopts the following technical scheme: a fatigue test system for radial tire production and manufacturing comprises a base, a supporting plate, a ground simulation mechanism, a fixing mechanism, a driving mechanism, a round hole and a cooling mechanism, wherein the supporting plate is fixedly installed on the upper end face of the base through screws, the round hole is formed in the supporting plate, the fixing mechanism is rotatably connected with the round hole, the ground simulation mechanism is arranged on the upper end face of the base and is positioned below the fixing mechanism, the driving mechanism is arranged on the supporting plate on the lower side of the fixing mechanism and the supporting plate on the lower side of the fixing mechanism, and the cooling mechanism is arranged on the supporting plate and is positioned above the fixing mechanism;
the ground simulation mechanism comprises push rod cylinders, rectangular boxes, conveying shafts, conveying rollers, friction belts, test abdicating grooves and counterweight units, wherein the number of the push rod cylinders is four, the four push rod cylinders are all installed on the upper end face of the base through bolts, the lower end face of each rectangular box is connected with a piston rod of each push rod cylinder, the number of the conveying shafts is two, the two conveying shafts are all installed on the left side and the right side in each rectangular box through rotation of bearings, the two conveying rollers are fixedly sleeved on the outer sides of the corresponding conveying shafts, the friction belts are sleeved on the outer sides of the two conveying rollers, the test abdicating grooves are formed in the upper end face of each rectangular box, and the two counterweight units are correspondingly arranged on the front side of the rectangular box;
the fixing mechanism comprises an extrusion unit, a cylindrical barrel and a manual unit, the cylindrical barrel is rotatably arranged in the circular hole, the extrusion unit and the manual unit are both connected with the cylindrical barrel, and the extrusion unit is connected with the manual unit;
the driving mechanism comprises a driving motor, a driving shaft, a driven gear and an annular outer gear, the driving motor is arranged on the upper end face of the base on the rear side of the supporting plate through a motor base, the driving shaft is rotatably connected to the lower side of the supporting plate and is connected with an output shaft of the driving motor, the driven shaft is rotatably connected to the supporting plate on the upper side of the driving shaft and is arranged on the lower side of the cylindrical barrel, the driving shaft is in transmission connection with the front end of the driven shaft, the driven gear is connected with the right end of the driven shaft, the annular outer gear is sleeved on the outer wall of the cylindrical barrel on the rear side of the supporting plate, and the driven gear is meshed with the annular outer gear;
the cooling mechanism comprises a mounting plate, an air conditioning fan and a ventilation opening, the mounting plate is arranged on the front end face of the supporting plate close to the upper end, the air conditioning fan is arranged on the upper end face of the front side of the mounting plate, and the ventilation opening is formed in the mounting plate on the lower side of the air conditioning fan.
As a preferred technical scheme of the invention, the counterweight unit comprises a vertical shaft, supporting blocks, a placing disc, a positioning rod and counterweight blocks, wherein two groups of supporting blocks are symmetrically arranged on the upper side of the front end of the rectangular box, the vertical shaft is rotatably arranged on each group of supporting blocks, the placing disc is fixedly connected with the upper end face of the vertical shaft, the positioning rods are symmetrically arranged on the upper end face of the placing disc, the counterweight blocks are stacked on the upper end face of the placing disc, two positioning holes are formed in the counterweight blocks, the positioning rods are in sliding fit with the corresponding positioning holes, and the vertical shaft is matched with the corresponding conveying shafts.
As a preferable technical scheme of the invention, a first bevel gear is fixedly arranged on the lower end surface of the vertical shaft, the front end of the transmission shaft penetrates through the side wall of the rectangular box and is provided with a second bevel gear, and the first bevel gear is meshed with the second bevel gear.
As a preferred technical scheme of the invention, the extrusion unit comprises a follower rod, connecting rods, push rods, arc-shaped plates, anti-skidding pads and push rod holes, the outer wall of the front side of the cylindrical barrel is provided with the push rod holes communicated with the inner part of the cylindrical barrel, the push rods are in sliding fit with the push rod holes, the arc-shaped plates are arranged at one ends of the push rods outside the cylindrical barrel, the anti-skidding pads are arranged on the outer walls of the arc-shaped plates, one ends of the push rods in the cylindrical barrel are respectively hinged with the connecting rods, and one ends of the connecting rods, far away from the push rods, are hinged on one follower rod.
As a preferred technical scheme of the invention, the manual unit comprises a rocking plate, a threaded rod, a threaded hole, a telescopic rod, a crank, a circular ring, a stabilizing groove, a stabilizing rod and a spring, wherein the circular ring is fixedly arranged on the rear end surface of a cylindrical barrel, the rear side of the threaded rod penetrates through the rear side wall of the cylindrical barrel and is rotatably connected with the inner ring of the circular ring through a bearing, the threaded hole is formed in the right end of a follow-up rod, the threaded rod is connected with the threaded hole through threads, the rocking plate is fixedly connected with the rear end of the threaded rod, the stabilizing rod is arranged at the edge position of the rocking plate in a sliding manner, the crank is fixedly connected with the rear end of the stabilizing rod, the stabilizing grooves are uniformly formed in the outer side of the circular ring, the front side of the stabilizing rod is provided with a limiting block, the spring is sleeved on the stabilizing rod between the limiting block and the front end surface of the rocking plate, the stabilizing rod is matched with the stabilizing groove corresponding to the stabilizing rod, the telescopic rod is multiple and is arranged on the inner wall of the cylindrical barrel through the screw, the telescopic shaft of the telescopic rod is fixedly connected with the outer side of the follower rod.
As a preferred technical scheme of the invention, the outer side of the cylindrical barrel is fixedly provided with a limiting ring, the inner wall of the round hole is provided with a limiting groove, and the limiting ring is in sliding fit with the inner wall of the limiting groove.
As a preferable technical scheme of the invention, the driven shaft and the front end of the driving drawer are respectively provided with a first belt pulley and a second belt pulley, and the first belt pulley and the second belt pulley are connected through a belt.
As a preferred technical scheme of the invention, a fixed block is arranged between the front side wall and the rear side wall of the rectangular box, the fixed block is arranged between the friction belts, the upper end of the fixed block is linearly and uniformly provided with a mounting groove, a rotating roller is rotatably arranged in the mounting groove, and the outer wall of the rotating roller is in rolling contact with the inner side wall of the friction belt.
In addition, the invention also provides a use method of the fatigue test system for radial tire production and manufacture, which comprises the following steps:
s1, device detection: before use, the device is subjected to safety inspection;
s2, tire fixing: fixing the prepared radial tire through a fixing mechanism;
s3, test preparation: the push rod cylinder is used for pushing the rectangular box to move upwards, so that the friction belt is in extrusion contact with the radial tire, the rotating resistance of the conveying shaft is adjusted through the counterweight unit, and different resistances can be changed for testing;
s4, carrying out the test: the cylinder barrel is driven to rotate by the driving mechanism, the cylinder barrel drives the radial tire to rotate, the radial tire rotates on the friction belt and drives the friction belt to transmit, the radial tire overcomes the transmission resistance on the friction belt to generate friction force, the friction force or the ground gripping capability of the radial tire is observed and researched, the friction force or the ground gripping capability of the radial tire can be adjusted by changing the counterweight unit and further changing the rotation resistance of the transmission shaft, meanwhile, the temperature change of the radial tire is observed along with the time lapse, and the high temperature resistance of the radial tire is observed;
s5, cooling the tire: in the test process, the surface temperature of the radial tire gradually rises along with the increase of time, when the upper limit of the temperature of the radial tire is reached, the test is stopped, the ground simulation mechanism leaves the radial tire, the rotating speed of the radial tire is reduced, the radial tire is cooled through the cooling mechanism, and the radial tire can be uniformly cooled due to the slow rotation of the radial tire;
s6, taking down the tire: after the apparatus is stopped, the fixing of the radial tire can be released by operating the manual unit in the reverse direction, and the radial tire can be removed.
(III) advantageous effects
1. According to the fatigue test system and the test method for radial tire production and manufacturing, the six arc-shaped plates are pushed to extrude and fix the radial tire from the inner side by adopting the cooperation of the manual unit and the extrusion unit, so that the operation is convenient, and the radial tire can be quickly fixed;
2. according to the radial tire production and manufacturing fatigue test system and the test method, the push rod cylinder is used for pushing the rectangular box to move upwards, so that the friction belt is in extrusion contact with the radial tire, and the radial tire is conveniently tested; the friction force or the holding capacity of the radial tire can be adjusted by changing the rotation resistance of the transmission shaft, the research and test range is wide, the test effect is good, and meanwhile, the temperature change of the radial tire and the high temperature resistance of the radial tire are observed along with the time lapse;
3. according to the radial tire production and manufacturing fatigue test system and the test method, after the test is completed, the ground simulation mechanism leaves the radial tire, the rotating speed of the radial tire is reduced, the radial tire is cooled through the cooling mechanism, uniform cooling can be performed, the cooling efficiency and effect are improved, the cooling time is shortened, and the test efficiency is improved.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic cross-sectional front view of the present invention;
FIG. 3 is a side cross-sectional structural schematic of the present invention;
FIG. 4 is an enlarged view of a portion of the invention at A in FIG. 3;
FIG. 5 is a schematic view of the structure between the vertical shaft, the placing plate, the positioning rod and the counterweight block in the present invention;
FIG. 6 is a schematic view of the structure of the ring of the present invention;
fig. 7 is a flow chart of the present invention.
Detailed Description
Embodiments of the present invention will be described below with reference to the drawings. In this process, the width of the lines or the size of the components in the drawings may be exaggerated for clarity and convenience of description.
The following terms are defined based on the functions of the present invention, and may be different depending on the intention of the user or the operator or the convention. Therefore, these terms are defined based on the entire contents of the present specification.
As shown in fig. 1 to 7, a fatigue test system for radial tire production and manufacturing includes a base 1, a support plate 11, a ground simulation mechanism 2, a fixing mechanism 3, a driving mechanism 4, a circular hole 5 and a cooling mechanism 6, wherein the support plate 11 is fixedly mounted on an upper end surface of the base 1 through screws, the circular hole 5 is formed in the support plate 11, the fixing mechanism 3 is rotatably connected with the circular hole 5, the ground simulation mechanism 2 is arranged on the upper end surface of the base 1 and located below the fixing mechanism 3, the driving mechanism 4 is arranged on the support plate 11 at lower sides of the fixing mechanism 3 and the fixing mechanism 3, and the cooling mechanism 6 is arranged on the support plate 11 and located above the fixing mechanism 3;
the ground simulation mechanism 2 comprises push rod air cylinders 21, rectangular boxes 22, conveying shafts 23, conveying rollers 24, friction belts 25, test abdicating grooves 26 and counterweight units 27, the push rod air cylinders 21 are four and are all mounted on the upper end face of the base 1 through bolts, the lower end face of the rectangular box 22 is connected with piston rods of the push rod air cylinders 21, the conveying shafts 23 are two and are all rotatably mounted on the left side and the right side of the rectangular box 22 through bearings, the conveying rollers 24 are two and are fixedly sleeved on the outer sides of the corresponding conveying shafts 23, the friction belts 25 are sleeved on the outer sides of the two conveying rollers 24, the test abdicating grooves 26 are formed in the upper end face of the rectangular box 22, and the counterweight units 27 are two and are correspondingly arranged on the front side of the rectangular box 22; the ground simulation mechanism 2 is arranged for facilitating the use of a radial tire test, specifically, the hydraulic cylinder 21 is used for pushing the rectangular box 2 to move upwards, so that the friction belt 25 is in extrusion contact with the radial tire, the rotating resistance of the transmission shaft 23 is adjusted by changing the counterweight unit 27, the ground simulation mechanism 2 can be adjusted, the driving motor 41 in the driving mechanism 4 drives the driving shaft 42 to rotate, the driving shaft 42 drives the driven shaft 43 to rotate, the driven shaft 43 drives the cylindrical drum 32 to rotate through the driven gear 44 and the annular outer gear 45, the cylindrical drum 32 drives the radial tire to rotate, the radial tire rotates on the friction belt 25 and drives the friction belt 25 to transmit, the friction belt 25 drives the two transmission shafts 23 to rotate through the two transmission rollers 24, the transmission shafts 23 drive the corresponding counterweight units 27 to work, and the radial tire needs to overcome the transmitting resistance on the friction belt 25, further generating friction force to test the friction force or the ground holding capacity of the radial tire;
the fixing mechanism 3 comprises an extrusion unit 31, a cylindrical barrel 32 and a manual unit 33, the cylindrical barrel 32 is rotatably installed in the circular hole 5, the extrusion unit 31 and the manual unit 33 are both connected with the cylindrical barrel 32, and the extrusion unit 31 is connected with the manual unit 33; the fixing mechanism 3 is arranged to fix the radial tire from the inner side in order to fix the radial tire from the inner side, and particularly, the radial tire is fixed from the inner side through the matching of the manual unit 33 and the pressing unit 31;
the driving mechanism 4 comprises a driving motor 41, a driving shaft 42, a driven shaft 43, a driven gear 44 and an annular outer gear 45, the driving motor 41 is arranged on the upper end face of the base 1 through a motor base, the driving shaft 42 is connected with an output shaft of the driving motor 41, the driving shaft 42 is rotatably connected with the supporting plate 11, the driven shaft 43 is rotatably connected with the supporting plate 11, the driving shaft 42 is in transmission connection with the driven shaft 43, the driven gear 44 is connected with the right end of the driven shaft 43, the annular outer gear 45 is sleeved on the outer side of the cylindrical barrel 32, and the driven gear 44 is meshed with the annular outer gear 45;
the cooling mechanism 6 comprises an installation plate 61, a cold air fan 62 and a vent 63, wherein the installation plate 61 is arranged on the front end surface of the support plate 11 close to the upper end, the cold air fan 62 is arranged on the upper end surface of the front side of the installation plate 61, and the vent 63 is arranged on the installation plate 61 below the cold air fan 62; the purpose of the cooling mechanism 6 is to cool the radial tire after the test, specifically, the cold air fan 62 is operated, and cold air blown by the cold air fan 62 can be blown to the radial tire on the fixing mechanism 3 through the vent 63, so as to cool the radial tire;
during specific work, the prepared radial tire is placed on the outer side of the cylindrical barrel 32, the radial tire is fixed from the inner side through the matching of the manual unit 33 and the extrusion unit 31, the operation is convenient, the radial tire can be quickly fixed, the rectangular box 2 is pushed to move upwards by the hydraulic cylinder 21, the friction belt 25 is in extrusion contact with the radial tire, the rotating resistance of the transmission shaft 23 is adjusted through changing the counterweight unit 27, the ground simulation mechanism 2 can be adjusted, the cylindrical barrel 32 is driven to rotate through the driving mechanism 4, the cylindrical barrel 32 drives the radial tire to rotate, the radial tire rotates on the friction belt 25 and drives the friction belt 25 to transmit, the friction belt 25 drives the two transmission shafts 23 to rotate through the two transmission rollers 24, the transmission shafts 23 drive the corresponding counterweight units 27 to work, the radial tire needs to overcome the transmission resistance on the friction belt 25, and further generates friction force, observing and researching the friction force or the ground gripping capability of the radial tire; in the test process, the surface temperature of the radial tire gradually rises along with the increase of time, when the upper limit of the temperature of the radial tire is reached, the test is stopped, the ground simulation mechanism 2 is enabled to leave the radial tire, the rotating speed of the radial tire is reduced at the same time, the cold air fan 62 works, cold air blown by the cold air fan 62 can be blown to the radial tire on the fixing mechanism 3 through the vent 63, the radial tire is cooled, the ground simulation mechanism 2 is enabled to be in contact with the radial tire again, the test can be repeated again, when the equipment stops, the manual unit 33 is operated in the reverse direction, the fixing of the radial tire can be released, and the radial tire can be taken down.
The counterweight unit 27 comprises a vertical shaft 271, supporting blocks 272, a placing disc 273, a positioning rod 274 and a counterweight 275, two groups of supporting blocks 272 are symmetrically arranged on the upper side of the front end of the rectangular box 22, the vertical shaft 271 is rotatably installed on each group of supporting blocks 272, the placing disc 273 is fixedly connected with the upper end face of the vertical shaft 271, the positioning rod 274 is symmetrically arranged on the upper end face of the placing disc 273, the counterweight 275 is multiple and is stacked on the upper end face of the placing disc 273, two positioning holes are formed in the counterweight 275, the positioning rod 274 is in sliding fit with the corresponding positioning holes, and the vertical shaft 271 is matched with the corresponding conveying shaft 23. The counterweight unit 27 is provided to change the counterweight strength;
a first bevel gear 276 is fixedly arranged on the lower end surface of the vertical shaft 271, the front end of the transmission shaft 23 penetrates through the side wall of the rectangular box 22 and is provided with a second bevel gear 277, and the first bevel gear 276 is meshed with the second bevel gear 277;
during specific work, place balancing weight 275 on placing dish 273 through locating hole and locating lever 274 cooperation, during the experiment, friction band 25 drives two conveying shafts 23 through two transfer rollers 24 and rotates, conveying shaft 23 drives vertical axle 271 rotation through first bevel gear 276 and second bevel gear 277, vertical axle 271 drives and places dish 273 and places the balancing weight 275 on the dish 273 rotatory, along with balancing weight 275's increase, the rotary resistance of vertical axle 271 is big more, along with balancing weight 275's reduction, the rotary resistance of vertical axle 271 is little less, consequently, change the quantity of balancing weight 275 and both can change the rotary resistance of vertical axle 271, and then change the resistance of conveying shaft 23, can change the conveying resistance of friction band 25 simultaneously, change experimental resistance and the frictional force of radial tire at last.
The extrusion unit 31 comprises a follower rod 311, a connecting rod 312, a push rod 313, an arc-shaped plate 314, a non-slip mat 315 and a push rod hole 316, the outer wall of the front side of the cylindrical barrel 32 is provided with the push rod hole 316 communicated with the inner part of the cylindrical barrel, the push rod 313 is in sliding fit with the push rod hole 316, the arc-shaped plate 314 is arranged at one end of the push rod 313 outside the cylindrical barrel 32, the non-slip mat 315 is arranged on the outer wall of the arc-shaped plate 314, the connecting rod 312 is hinged to one end of the push rod 313 in the cylindrical barrel 32, one end of the connecting rod 312, which is far away from the push rod 313, is hinged to one follower rod 311, and the arranged non-slip mat 315 can increase the friction force between the arc-shaped plate 314 and the inner side of the radial tire; the purpose of the pressing unit 31 is to press and fix the radial tire from the inner side, and particularly to cooperate with the manual unit 33;
the manual unit 33 comprises a rocking plate 331, a threaded rod 332, a threaded hole 333, a telescopic rod 334, a crank 335, a ring 336, a stabilizing groove 337, a stabilizing rod 338 and a spring 339, wherein the ring 336 is fixedly arranged on the rear end surface of the cylindrical barrel 32, the rear side of the threaded rod 332 penetrates through the rear side wall of the cylindrical barrel 32 and is rotatably connected with the inner ring of the ring 336 through a bearing, the threaded hole 333 is arranged at the right end of the follower 311, the threaded rod 332 is in threaded connection with the threaded hole 333, the rocking plate 331 is fixedly connected with the rear end of the threaded rod 332, the stabilizing rod 338 is slidably arranged at the edge position of the rocking plate 331, the crank 335 is fixedly connected with the rear end of the stabilizing rod 338, the stabilizing grooves 337 are a plurality of and are uniformly arranged at the outer side of the ring 336, a limiting block is arranged at the front side of the stabilizing rod 338, the spring 339 is sleeved on the stabilizing rod 338 between the limiting block and the front end surface of the rocking plate 331, and the limiting block 338 is matched with the corresponding stabilizing groove 337, the telescopic rod 334 is a plurality of and all installs on the inner wall of a cylinder 32 through the screw, and the telescopic shaft of telescopic rod 334 is fixed continuous with the outside of follower rod 311. The telescopic rod 334 can ensure that the follower rod 311 can only move horizontally; the manual unit 33 is provided for manipulating the pressing unit 31 and fixing the pressing unit 31;
when the radial tire fixing device works specifically, when the radial tire needs to be fixed, the radial tire is sleeved on the front side of the cylindrical barrel 32 and corresponds to the arc-shaped plate 314, the crank 335 is pulled, the crank 335 drives the stabilizing rod 338 to leave the corresponding stabilizing groove 337, the fixing of the crank 331 can be released, the crank 335 is shaken, the crank 335 drives the crank 331 to rotate through the stabilizing rod 338, the crank 331 drives the threaded rod 332 to rotate, the threaded rod 332 pushes the follower 311 to move through the matching with the threaded groove 333, the follower 311 pushes the corresponding push rod 313 to move outwards through the connecting rod 312, the push rod 313 drives the arc-shaped plate 314 to move towards the inner side of the radial tire, the inner side of the radial tire is uniformly extruded through the six arc-shaped plates 314, the radial tire can be extruded and fixed, the arranged anti-skid pad 315 can increase the friction force between the arc-shaped plate 314 and the inner side of the radial tire, after the fixing is finished, the crank 335 is loosened, the stabilizing bars 338 enter the corresponding stabilizing grooves 337 under the action of the elastic force of the springs 339 to fix the rocking plate 331, so that the threaded rods 332 are prevented from reversing during the work to perform the test, after the test is finished, the fixing of the rocking plate 331 is released, the crank 335 is reversely rocked, the arc-shaped plate 314 can leave the radial tire, and the radial tire can be taken down.
A limiting ring 51 is fixedly mounted on the outer side of the cylindrical barrel 32, a limiting groove 52 is formed in the inner wall of the circular hole 5, the limiting ring 51 is in sliding fit with the inner wall of the limiting groove 52, and the cylindrical barrel 32 can be ensured to stably rotate in the circular hole 5 through the matching of the limiting ring 51 and the limiting groove 52;
the front ends of the driven shaft 43 and the driving drawer 42 are respectively provided with a first belt pulley 46 and a second belt pulley 48, and the first belt pulley 46 is connected with the second belt pulley 48 through a belt 47;
during specific work, the output shaft of the driving motor 41 drives the driving shaft 42 to rotate, the driving shaft 42 drives the second belt pulley 48 to rotate, the second belt pulley 48 drives the first belt pulley 46 to rotate through the belt 47, and the first belt pulley 46 drives the driven shaft 43 to rotate.
Be provided with fixed block 261 between the both sides wall around rectangle case 22, and fixed block 261 is between friction area 25, and the mounting groove has evenly been seted up to fixed block 261 upper end straight line, and the mounting groove internal rotation is provided with live-rollers 262, and live-rollers 262 outer wall and friction area 25 inside wall rolling contact prevent that the crooked influence of friction area 25 from taking the experimental effect to radial tire when friction area 25 and radial tire extrusion contact.
In addition, the invention also provides a use method of the fatigue test system for radial tire production and manufacture, which comprises the following steps:
s1, device detection: before use, the device is subjected to safety inspection;
s2, tire fixing: the prepared radial tire is placed on the outer side of the cylindrical barrel 32, the inner side of the radial tire is aligned with the position of the arc-shaped plate 313, and the radial tire is fixed from the inner side through the matching of the manual unit 33 and the extrusion unit 31, so that the radial tire can be quickly fixed;
s3, test preparation: the push rod cylinder 21 is used for pushing the rectangular box 2 to move upwards, so that the friction belt 25 is in extrusion contact with a radial tire, the rotating resistance of the conveying shaft 23 is adjusted through the counterweight unit 27, the ground simulation mechanism 2 can be adjusted, the use is convenient, and different resistances can be changed for testing;
s4, carrying out the test: the cylinder barrel 32 is driven to rotate through the driving mechanism 4, the cylinder barrel 32 drives the radial tire to rotate, the radial tire rotates on the friction belt 25 and drives the friction belt 25 to transmit, the radial tire overcomes the transmission resistance on the friction belt 25 to generate friction force, the friction force or the ground gripping capacity of the radial tire is observed and researched, the rotation resistance of the transmission shaft 23 is changed by changing the counterweight unit 27, the friction force or the ground gripping capacity of the radial tire can be adjusted, meanwhile, the temperature change of the radial tire is observed along with the time lapse, and the high temperature resistance of the radial tire is observed;
s5, cooling the tire: in the test process, the surface temperature of the radial tire gradually rises along with the increase of time, when the upper limit of the temperature of the radial tire is reached, the test is stopped, the ground simulation mechanism 2 leaves the radial tire, the rotating speed of the radial tire is reduced, the radial tire is cooled through the cooling mechanism 6, and the radial tire can be uniformly cooled due to the slow rotation of the radial tire;
s6, taking down the tire: after the apparatus is stopped, the fixing of the radial tire can be released by operating the manual unit 33 in the reverse direction, and the radial tire can be removed.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (9)
1. The utility model provides a fatigue test system is made in radial tire production, includes base (1), backup pad (11), ground simulation mechanism (2), fixed establishment (3), actuating mechanism (4), round hole (5) and cooling mechanism (6), its characterized in that: the ground simulation device is characterized in that the supporting plate (11) is fixedly mounted on the upper end face of the base (1) through screws, the round hole (5) is formed in the supporting plate (11), the fixing mechanism (3) is rotatably connected with the round hole (5), the ground simulation mechanism (2) is arranged on the upper end face of the base (1) and is positioned below the fixing mechanism (3), the driving mechanism (4) is arranged on the supporting plate (11) on the lower side of the fixing mechanism (3) and the fixing mechanism (3), and the cooling mechanism (6) is arranged on the supporting plate (11) and is positioned above the fixing mechanism (3);
ground simulation mechanism (2) include push rod cylinder (21), rectangle case (22), conveying axle (23), transfer roller (24), friction area (25), experimental groove of stepping down (26) and counter weight unit (27), push rod cylinder (21) are four and all install the up end at base (1) through the bolt, the lower terminal surface of rectangle case (22) links to each other with the piston rod of push rod cylinder (21), conveying axle (23) are two and all rotate the left and right sides of installing in rectangle case (22) through the bearing, transfer roller (24) are two and fixed the cover establishes in the outside of corresponding conveying axle (23), friction area (25) cover establishes the outside at two transfer rollers (24), experimental groove of stepping down (26) is seted up the up end at rectangle case (22), counter weight unit (27) are two and correspond the setting in the front side of rectangle case (22);
the fixing mechanism (3) comprises an extrusion unit (31), a cylindrical barrel (32) and a manual unit (33), the cylindrical barrel (32) is rotatably installed in the circular hole (5), the extrusion unit (31) and the manual unit (33) are both connected with the cylindrical barrel (32), and the extrusion unit (31) is connected with the manual unit (33);
the driving mechanism (4) comprises a driving motor (41), a driving shaft (42), a driven shaft (43), a driven gear (44) and an annular outer gear (45), the driving motor (41) is arranged on the upper end face of the base (1) on the rear side of the supporting plate (11) through a motor base, the driving shaft (42) is rotatably connected to the lower side of the supporting plate (11), the driving shaft (42) is connected with an output shaft of the driving motor (41), the driven shaft (43) is rotatably connected to the supporting plate (11) on the upper side of the driving shaft (42), the driven shaft (43) is arranged on the lower side of the cylindrical barrel (32), the driving shaft (42) is in transmission connection with the front end of the driven shaft (43), the driven gear (44) is connected with the right end of the driven shaft (43), the annular outer gear (45) is sleeved on the outer wall of the cylindrical barrel (32) on the rear side of the supporting plate (11), and the driven gear (44) is meshed with the annular outer gear (45);
cooling mechanism (6) are including mounting panel (61), air conditioning fan (62), vent (63), mounting panel (61) set up in backup pad (11) and are close to the preceding terminal surface of upper end, are provided with air conditioning fan (62) on the up end of mounting panel (61) front side, have seted up vent (63) on mounting panel (61) of air conditioning fan (62) downside.
2. The radial tire production manufacturing fatigue test system according to claim 1, wherein: counter weight unit (27) including vertical axle (271), supporting shoe (272), place dish (273), locating lever (274) and balancing weight (275), the upside symmetry of rectangle case (22) front end is provided with two sets of supporting shoes (272), vertical axle (271) are rotated and are installed on every group supporting shoe (272), place the up end fixed connection of dish (273) and vertical axle (271), locating lever (274) symmetry sets up the up end of placing dish (273), balancing weight (275) are a plurality of and stack the up end of placing dish (273), be provided with two locating holes on balancing weight (275), locating lever (274) and the locating hole sliding fit that corresponds, vertical axle (271) and the transmission axle (23) looks adaptation that corresponds.
3. The radial tire production manufacturing fatigue test system according to claim 2, wherein: the lower end face of the vertical shaft (271) is fixedly provided with a first bevel gear (276), the front end of the transmission shaft (23) penetrates through the side wall of the rectangular box (22) and is provided with a second bevel gear (277), and the first bevel gear (276) is meshed with the second bevel gear (277).
4. The radial tire production manufacturing fatigue test system according to claim 1, wherein: extrusion unit (31) include follow-up rod (311), connecting rod (312), push rod (313), arc (314), slipmat (315) and push rod hole (316), all with set up rather than inside UNICOM push rod hole (316) on the outer wall of cylinder section of thick bamboo (32) front side, push rod (313) and push rod hole (316) sliding fit, push rod (313) are provided with arc (314) in the one end in cylinder section of thick bamboo (32) outside, be provided with slipmat (315) on the outer wall of arc (314), the one end of push rod (313) in cylinder section of thick bamboo (32) articulates respectively has connecting rod (312), the one end that push rod (313) were kept away from in connecting rod (312) all articulates on one follow-up rod (311).
5. The radial tire production manufacturing fatigue test system according to claim 4, wherein: the manual unit (33) comprises a rocking plate (331), a threaded rod (332), threaded holes (333), a telescopic rod (334), a crank (335), a circular ring (336), a stabilizing groove (337), a stabilizing rod (338) and a spring (339), wherein the circular ring (336) is fixedly arranged on the rear end surface of the cylindrical barrel (32), the rear side of the threaded rod (332) penetrates through the rear side wall of the cylindrical barrel (32) and is rotatably connected with the inner ring of the circular ring (336) through a bearing, the threaded holes (333) are formed in the right end of the follow-up rod (311), the threaded rod (332) is in threaded connection with the threaded holes (333), the rocking plate (331) is fixedly connected with the rear end of the threaded rod (332), the stabilizing rod (338) is arranged at the edge position of the rocking plate (331) in a sliding manner, the crank (335) is fixedly connected with the rear end of the stabilizing rod (338), the stabilizing grooves (337) are multiple and are uniformly formed in the outer side of the circular ring (336), the front side of stabilizer bar (338) is provided with the stopper, overlaps on stabilizer bar (338) between the preceding terminal surface of stopper and rocking plate (331) and is equipped with spring (339), stabilizer bar (338) and the cooperation of stabilizing the groove (337) that corresponds, and telescopic link (334) are a plurality of and all install on the inner wall of cylinder (32) through the screw, and the telescopic shaft of telescopic link (334) is fixed continuous with the outside of follower rod (311).
6. The radial tire production manufacturing fatigue test system according to claim 1, wherein: the outer side of the cylindrical barrel (32) is fixedly provided with a limiting ring (51), the inner wall of the round hole (5) is provided with a limiting groove (52), and the limiting ring (51) is in sliding fit with the inner wall of the limiting groove (52).
7. The radial tire production manufacturing fatigue test system according to claim 1, wherein: the front ends of the driven shaft (43) and the driving drawer (42) are respectively provided with a first belt pulley (46) and a second belt pulley (48), and the first belt pulley (46) is connected with the second belt pulley (48) through a belt (47).
8. The radial tire production manufacturing fatigue test system according to claim 1, wherein: fixed block (261) are provided with between both sides wall around rectangle case (22), and fixed block (261) between friction area (25), and the mounting groove has evenly been seted up to fixed block (261) upper end straight line, and the mounting groove internal rotation is provided with live-rollers (262), live-rollers (262) outer wall and friction area (25) inside wall rolling contact.
9. The radial tire production manufacturing fatigue test system according to claim 1, wherein: the use method of the fatigue test system for radial tire production and manufacture comprises the following steps:
s1, device detection: before use, the device is subjected to safety inspection;
s2, tire fixing: fixing the prepared radial tire through a fixing mechanism (3);
s3, test preparation: the push rod cylinder (21) is used for pushing the rectangular box (2) to move upwards, so that the friction belt (25) is in pressing contact with the radial tire, the rotating resistance of the conveying shaft (23) is adjusted through the counterweight unit (27), and different resistances can be changed for testing;
s4, carrying out the test: the cylinder barrel (32) is driven to rotate through the driving mechanism (4), the cylinder barrel (32) drives the radial tire to rotate, the radial tire rotates on the friction belt (25) and drives the friction belt (25) to transmit, the radial tire overcomes transmission resistance on the friction belt (25) to generate friction force, the friction force or the ground gripping capability of the radial tire is observed and researched, the friction force or the ground gripping capability of the radial tire can be adjusted through changing the counterweight unit (27) and further changing the rotation resistance of the transmission shaft (23), meanwhile, the temperature change of the radial tire is observed along with the time lapse, and the high temperature resistance of the radial tire is observed;
s5, cooling the tire: in the test process, the surface temperature of the radial tire gradually rises along with the increase of time, when the upper limit of the temperature of the radial tire is reached, the test is stopped, so that the ground simulation mechanism (2) leaves the radial tire, the rotating speed of the radial tire is reduced, the radial tire is cooled through the cooling mechanism (6), and the radial tire can be uniformly cooled due to the slow rotation of the radial tire;
s6, taking down the tire: after the apparatus is stopped, the fixing of the radial tire can be released by operating the manual unit (33) in the reverse direction, and the radial tire can be removed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110517537.5A CN113252367A (en) | 2021-05-12 | 2021-05-12 | Radial tire production and manufacturing fatigue test system and test method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110517537.5A CN113252367A (en) | 2021-05-12 | 2021-05-12 | Radial tire production and manufacturing fatigue test system and test method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113252367A true CN113252367A (en) | 2021-08-13 |
Family
ID=77223093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110517537.5A Withdrawn CN113252367A (en) | 2021-05-12 | 2021-05-12 | Radial tire production and manufacturing fatigue test system and test method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113252367A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113588296A (en) * | 2021-09-28 | 2021-11-02 | 山东维点技术有限公司 | Abrasion resistance testing device of rubber tire |
| CN113607435A (en) * | 2021-10-09 | 2021-11-05 | 山东维点技术有限公司 | Radial tire production finished product performance testing device |
| CN116787831A (en) * | 2023-08-28 | 2023-09-22 | 潍坊顺福昌橡塑有限公司 | Extrusion molding device for manufacturing tire carcass |
| CN117783148A (en) * | 2024-02-27 | 2024-03-29 | 山东米乐奇轮胎有限公司 | Tire appearance detection device and application method thereof |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060169034A1 (en) * | 2005-01-31 | 2006-08-03 | Cooper Tire & Rubber Company | Method and apparatus for testing rubber tires or solid rubber wheel laboratory samples |
| KR20090002604U (en) * | 2007-09-11 | 2009-03-16 | 금호타이어 주식회사 | Tire durability testing machine for field simulation |
| CN108956354A (en) * | 2018-07-17 | 2018-12-07 | 赣州蓉江新区高校园区京航汽车零配件销售部 | A kind of automobile tire wear resistance test device |
| CN110726570A (en) * | 2019-11-25 | 2020-01-24 | 天津市精研工程机械传动有限公司 | Tire loading fatigue test device and test method |
| CN210400870U (en) * | 2019-10-12 | 2020-04-24 | 广州苏试众博环境实验室有限公司 | Automobile tire composite working condition testing machine |
| CN210953417U (en) * | 2019-12-31 | 2020-07-07 | 山东元丰橡胶科技有限公司 | Automobile rubber tire wear resistance detection device |
| CN111413112A (en) * | 2020-04-15 | 2020-07-14 | 芜湖职业技术学院 | Automobile tire wearability test fixture |
| CN212082843U (en) * | 2020-05-06 | 2020-12-04 | 周子龙 | Tire wear-resistant detection device for vehicle detection |
-
2021
- 2021-05-12 CN CN202110517537.5A patent/CN113252367A/en not_active Withdrawn
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060169034A1 (en) * | 2005-01-31 | 2006-08-03 | Cooper Tire & Rubber Company | Method and apparatus for testing rubber tires or solid rubber wheel laboratory samples |
| KR20090002604U (en) * | 2007-09-11 | 2009-03-16 | 금호타이어 주식회사 | Tire durability testing machine for field simulation |
| CN108956354A (en) * | 2018-07-17 | 2018-12-07 | 赣州蓉江新区高校园区京航汽车零配件销售部 | A kind of automobile tire wear resistance test device |
| CN210400870U (en) * | 2019-10-12 | 2020-04-24 | 广州苏试众博环境实验室有限公司 | Automobile tire composite working condition testing machine |
| CN110726570A (en) * | 2019-11-25 | 2020-01-24 | 天津市精研工程机械传动有限公司 | Tire loading fatigue test device and test method |
| CN210953417U (en) * | 2019-12-31 | 2020-07-07 | 山东元丰橡胶科技有限公司 | Automobile rubber tire wear resistance detection device |
| CN111413112A (en) * | 2020-04-15 | 2020-07-14 | 芜湖职业技术学院 | Automobile tire wearability test fixture |
| CN212082843U (en) * | 2020-05-06 | 2020-12-04 | 周子龙 | Tire wear-resistant detection device for vehicle detection |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113588296A (en) * | 2021-09-28 | 2021-11-02 | 山东维点技术有限公司 | Abrasion resistance testing device of rubber tire |
| CN113607435A (en) * | 2021-10-09 | 2021-11-05 | 山东维点技术有限公司 | Radial tire production finished product performance testing device |
| CN113607435B (en) * | 2021-10-09 | 2021-12-07 | 山东维点技术有限公司 | Radial tire production finished product performance testing device |
| CN116787831A (en) * | 2023-08-28 | 2023-09-22 | 潍坊顺福昌橡塑有限公司 | Extrusion molding device for manufacturing tire carcass |
| CN116787831B (en) * | 2023-08-28 | 2023-12-22 | 潍坊顺福昌橡塑有限公司 | Extrusion molding device for manufacturing tire carcass |
| CN117783148A (en) * | 2024-02-27 | 2024-03-29 | 山东米乐奇轮胎有限公司 | Tire appearance detection device and application method thereof |
| CN117783148B (en) * | 2024-02-27 | 2024-05-07 | 山东米乐奇轮胎有限公司 | Tire appearance detection device and application method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113252367A (en) | Radial tire production and manufacturing fatigue test system and test method | |
| CN214150223U (en) | Cement compressive capacity check out test set | |
| CN216449178U (en) | Tire testing equipment for anti-pricking tire test | |
| CN219296729U (en) | Auxiliary production device for POE packaging adhesive film | |
| CN109263101B (en) | Rolling device for tyre tread | |
| CN217225690U (en) | Lifting cutting frame with clamping mechanism | |
| CN215512265U (en) | Heat conduction oil rubber roller | |
| CN110386511B (en) | Material collecting and discharging structure of laminating machine | |
| CN210710177U (en) | Cable storage rack convenient to move and lay | |
| CN210757293U (en) | Stator rotation tongs device | |
| CN220508703U (en) | Brake block friction test device | |
| CN208166343U (en) | A kind of tapered roller bearing integral hoisting grip device | |
| CN219726131U (en) | Workbench for color lamp production | |
| CN219338674U (en) | Aviation tire forming device | |
| CN219223705U (en) | Brake disc flatness detection device | |
| CN210553970U (en) | Automatic wheel optimizing machine | |
| CN221160114U (en) | Jig for assembling temperature controller | |
| CN219468895U (en) | Electric tire centering mechanism | |
| CN220502287U (en) | Cable winding machine | |
| CN110293196A (en) | Wheel rim cold breakdown post forming equipment | |
| CN220366642U (en) | Cheese dryer for spinning processing | |
| CN217141952U (en) | Arc edge pressing die of numerical control bending machine | |
| CN112061842B (en) | Cloth unloading traction frame | |
| CN216736389U (en) | Traction arm device for tire conveying machinery | |
| CN219988538U (en) | Automatic radial tire forming machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210813 |
|
| WW01 | Invention patent application withdrawn after publication |