CN108593461B - Rubber performance test method - Google Patents
Rubber performance test method Download PDFInfo
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- CN108593461B CN108593461B CN201810529509.3A CN201810529509A CN108593461B CN 108593461 B CN108593461 B CN 108593461B CN 201810529509 A CN201810529509 A CN 201810529509A CN 108593461 B CN108593461 B CN 108593461B
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- 238000000034 method Methods 0.000 title claims abstract description 32
- 238000011056 performance test Methods 0.000 title claims description 6
- 238000012360 testing method Methods 0.000 claims abstract description 147
- 238000010008 shearing Methods 0.000 claims abstract description 59
- 238000009661 fatigue test Methods 0.000 claims abstract description 16
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 14
- 239000010959 steel Substances 0.000 claims abstract description 14
- 238000001514 detection method Methods 0.000 claims abstract description 9
- 238000000605 extraction Methods 0.000 claims abstract description 7
- 238000010998 test method Methods 0.000 claims 4
- 238000013461 design Methods 0.000 abstract description 2
- 238000005259 measurement Methods 0.000 description 13
- 238000010438 heat treatment Methods 0.000 description 9
- 229910000838 Al alloy Inorganic materials 0.000 description 8
- 238000004321 preservation Methods 0.000 description 6
- 230000001070 adhesive effect Effects 0.000 description 3
- 210000000078 claw Anatomy 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000465 moulding Methods 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 238000009864 tensile test Methods 0.000 description 2
- 239000004636 vulcanized rubber Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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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
- G01N3/24—Investigating strength properties of solid materials by application of mechanical stress by applying steady shearing forces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/56—Investigating resistance to wear or abrasion
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Abstract
The invention relates to a rubber performance testing method, wherein a rubber performance testing system comprises a base, an upper frame arranged above the base, a lifting hydraulic cylinder arranged between the base and the upper frame, and a detection unit arranged between the base and the upper frame and used for detecting the performance of a rubber connecting piece; the detection unit comprises a shearing high-low temperature fatigue device, a flange rubber connection strength device, a rear torsion beam bushing fatigue strength testing device and/or a steel cord thread extraction high-low temperature fatigue testing device. The method comprises one or more of a shearing high-low temperature fatigue method, a flange rubber connection strength testing method, a rear torsion beam bushing fatigue strength testing method and a steel cord drawing high-low temperature fatigue testing method. The invention has reasonable design, compact structure and convenient use.
Description
Technical Field
The invention relates to a rubber performance testing system and a rubber performance testing method.
Background
With the rapid development of the automobile industry, in order to satisfy the improvement of safety, comfort and economy of radial tires by consumers, steel cords have been used as important framework materials for tire casings and belt layers since the 70's of the 20 th century. Because rubber has large deformation, low elastic modulus and obvious viscoelastic hysteresis, whether a steel cord can be well adhered with the rubber becomes a key factor for determining the service life, durability and safety of a tire, the existing testing method for the adhesive property of the vulcanized rubber/the steel cord mainly comprises an EC method and an ASTM method, a computer testing system is used for controlling factors such as tensile speed, displacement and the like, the operation is simpler, but the testing process is limited to the measurement of static adhesive strength, the working state of the tire mainly bears the action of periodic load for a long time, and the static method cannot simulate the real state of the tire in the use process, so the characterization of the adhesive property of the vulcanized rubber/the steel cord bearing the periodic load in the running process of the tire becomes the focus of scientific research workers of the tire.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a rubber performance testing system and a rubber performance testing method in general; the technical problems that are solved and the advantages that are achieved are described in detail in the following description and in the detailed description.
In order to solve the problems, the technical scheme adopted by the invention is as follows:
a rubber performance test system comprises a base, a top frame arranged above the base, a lifting hydraulic cylinder arranged between the base and the top frame, and a detection unit arranged between the base and the top frame and used for detecting the performance of a rubber connector; the detection unit comprises a shearing high-low temperature fatigue device, a flange rubber connection strength device, a rear torsion beam bushing fatigue strength testing device and/or a steel cord drawing high-low temperature fatigue testing device.
A rubber performance testing method is characterized in that by means of a rubber performance testing system, the method comprises one or more of a shearing high-low temperature fatigue method, a flange rubber connection strength testing method, a rear torsion beam bushing fatigue strength testing method and a steel cord drawing high-low temperature fatigue testing method.
The advantages of the invention are not limited to this description, but are described in more detail in the detailed description for better understanding.
Drawings
Fig. 1 is a schematic structural view of embodiment 1 of the present invention. FIG. 2 is a schematic structural diagram of the test of embodiment 1 of the present invention. Fig. 3 is a schematic structural view of embodiment 2 of the present invention. FIG. 4 is a schematic structural view of a mold in example 2 of the present invention. FIG. 5 is a schematic view showing an exploded structure of a molding tool in example 2 of the present invention. FIG. 6 is another schematic structural view of a molding tool according to example 2 of the present invention. Fig. 7 is a schematic structural view of embodiment 3 of the present invention. Fig. 8 is a schematic view of the structure of the central shaft in embodiment 3 of the present invention. FIG. 9 is a schematic structural view of a sample of example 3 of the present invention. FIG. 10 is a schematic structural view of a mold in example 3 of the present invention. FIG. 11 is a schematic view of another perspective structure of a mold in accordance with example 3 of the present invention. Fig. 12 is a schematic structural view of embodiment 4 of the present invention. FIG. 13 is a schematic view of the structure of a clamping fixture in accordance with embodiment 4 of the present invention. FIG. 14 is a schematic structural diagram of a first perspective of a clamping fixture in accordance with example 4 of the present invention. FIG. 15 is a structural diagram of a second perspective of the clamping fixture in accordance with example 4 of the present invention.
Detailed Description
As shown in fig. 1-15, the rubber performance testing system of the present embodiment includes a base 1, a top frame 2 disposed above the base 1, a hydraulic cylinder 3 disposed between the base 1 and the top frame 2, and a detecting unit disposed between the base 1 and the top frame 2 and used for detecting the performance of the rubber connecting member; the detection unit comprises a shearing high-low temperature fatigue device, a flange rubber connection strength device, a rear torsion beam bushing fatigue strength testing device and/or a steel cord extraction high-low temperature fatigue testing device, so that the test of each performance of the rubber is realized.
Embodiment 1, the shear high and low temperature fatigue apparatus of this embodiment includes a shear upper jaw device 101 provided at a lower end of a head frame 2, a shear lower jaw device 103 provided at an upper end of a base frame 1, and a shear step test piece 102 sandwiched between the shear upper jaw device 101 and the shear lower jaw device 103.
The shear step test piece 102 includes a shear rubber connector 104, a shear first aluminum alloy template 105 having a lower end bonded to the left side of the shear rubber connector 104, and a shear second aluminum alloy template 106 having an upper end bonded to the right side of the shear rubber connector 104.
The shearing upper jaw device 101 comprises a shearing vibration motor 107 arranged at the lower end of the top frame 2, a shearing upper n-shaped seat 108 arranged at the lower end of an output shaft of the shearing vibration motor 107, a shearing upper guide polished rod 109 transversely arranged in the shearing upper n-shaped seat 108, a shearing upper fixed jaw 110 arranged at the left end of the shearing upper n-shaped seat 108, a shearing upper movable jaw 112 sleeved on the shearing upper guide polished rod 109 and positioned at the right end of the shearing upper n-shaped seat 108, and a shearing upper compression screw 111 arranged at the right end of the shearing upper n-shaped seat 108 and driving the shearing upper movable jaw 112 to move along the shearing upper guide polished rod 109 to the shearing upper fixed jaw 110 to clamp and shear the upper end of the first aluminum alloy sample plate 105.
The shearing lower jaw device 103 comprises a shearing lower connecting shaft 113 vertically arranged on the base 1, a shearing U-shaped seat 114 arranged at the upper end of the shearing lower connecting shaft 113 and positioned below the shearing upper n-shaped seat 108, a shearing lower guide polish rod 117 horizontally arranged on the shearing U-shaped seat 114, shearing lower electric screws 115 symmetrically arranged on the shearing U-shaped seat 114, and shearing lower clamping plates 116 respectively arranged on the corresponding shearing lower electric screws 115 and used for clamping and shearing the lower end of the second aluminum alloy template 106.
A shearing L measuring seat 118 is respectively arranged at two ends of the shearing U-shaped seat 114, and a shearing level dial indicator 119 which is in contact with the corresponding surface of the second aluminum alloy sample plate 106 is horizontally arranged on the shearing L measuring seat 118.
Be provided with heating heat preservation device on base 1, heating heat preservation device is including setting up the flexible cylinder 514 of test on base 1, the test heat preservation box 515 that is connected with the flexible cylinder 514 of test and is used for holding the test inner chamber 517 of surveyed test piece and has the heating pipe, lead to groove 516 about the test that sets up respectively on test heat preservation box 515 top and bottom, and set up baffle 518 before the test on test heat preservation box 515 one side.
The shear high and low temperature fatigue method of the embodiment is realized by means of a shear high and low temperature fatigue device; the method comprises the following steps;
step A, shearing an upper compression screw 111 to push a shearing upper movable claw 112, and clamping the upper end of a shearing first aluminum alloy sample plate 105 between a shearing upper fixed claw 110 and the shearing upper movable claw 112;
step B, the shearing lower jaw device 103 drives the shearing lower clamping plate 116 to move through the shearing lower electric screw 115 and clamps and shears the second aluminum alloy sample plate 106;
step C, firstly, adjusting the feeding amount of the shearing lower electric screw 115 according to the pressure value of the shearing level dial indicator 119 until the pressure values of the shearing level dial indicators 119 on the two sides are the same;
d, starting the lifting hydraulic cylinder 3 to extend until the shearing step test piece 102 is sheared and disconnected, and obtaining the shearing stress of the shearing step test piece 102 at normal temperature according to the numerical value of a pressure gauge on a pipeline of the lifting hydraulic cylinder 3;
step E, firstly, repeating the steps A to C; then, starting a shearing vibration motor 107 until the shearing step test piece 102 is sheared off; next, a fatigue test value is obtained from the measurement data of the shear vibration motor 107.
Step C, firstly, adjusting the feeding amount of the shearing lower electric screw 115 according to the pressure value of the shearing level dial indicator 119 until the pressure values of the shearing level dial indicators 119 on the two sides are the same; then, the test telescopic cylinder 514 pushes the test heat-insulating box body 515 to cover the shear step test piece 102; second, the upper test front bezel 518 is closed; finally, heating to a specified temperature is performed.
The pressure strength testing head 206 includes a pressure testing upper jaw 207 connected to the pressure testing upper jaw 202, a pressure testing rod 208 provided at a lower end of the pressure testing upper jaw 207, and a pressure testing head 209 provided at a lower end of the pressure testing rod 208.
The pressure testing mould 205 comprises a pressure base 213 placed on the base 1, a pressure n-type seat 210 arranged on the pressure base 213, a pressure inner cavity 211 arranged between the pressure base 213 and the pressure n-type seat 210 and used for accommodating a flange rubber seat, a pressure guide sleeve 212 arranged in the middle of the top of the pressure n-type seat 210 and used for passing through a pressure strength testing head 206, a pressure transverse through groove 214 and a pressure longitudinal through groove 215 distributed on the pressure base 213, a pressure hollow through hole 216 arranged in the middle of the pressure base 213, at least two pressure guide through holes 217 arranged on the pressure base 213, a pressure step column 218 telescopically arranged in the pressure guide through hole 217, a pressure thread inner hole 219 arranged on the pressure step column 218, a pressure connecting bolt 220 with the lower end connected with the pressure thread inner hole 219 and used for fixing the flange rubber seat, a pressure transverse rod 221 arranged at the lower end of the pressure step column 218, a pressure center support 224 horizontally arranged on one side of the pressure base 213, a pressure swing rod 222 hinged on the pressure center support 224 in the middle, and a pressure axial through groove 223 and a pressure driving handle 225 distributed at two ends of the pressure testing mould 205; one end of the pressure transverse rod 221 is inserted into the pressure axial through groove 223.
A method for testing the connection strength of flange rubber by means of a flange rubber connection strength device comprises the following steps,
step a, firstly, placing a flange rubber seat into the pressure inner cavity 211; then, the pressure driving handle 225 is pressed down by hand, the pressure swing rod 222 swings around the pressure center support 224, the pressure axial through groove 223 drives the pressure step column 218 to ascend along the pressure thread inner hole 219 through the pressure transverse rod 221, and the pressure testing clamping fixture 205 is inserted; secondly, connecting the pressure testing mold 205 with the pressure threaded inner hole 219 through a pressure connecting bolt 220;
step beta, firstly, the lifting hydraulic cylinder 3 drives the top frame 2 to move downwards, and the pressure intensity testing head 206 is in contact with the flange rubber seat; next, the pressure vibration motor 201 is started, and the pressure strength test head 206 performs fatigue impact on the flange rubber seat until the rubber of the flange rubber seat is broken.
The lifting hydraulic cylinder 3 is lifted, and the pressure vibration motor 201 vibrates at high frequency to impact and crush, so that fatigue data are obtained. The clamping of the upper clamping jaw 202 is realized under pressure, the fixing of the pressure testing clamping fixture 205 is realized through the pressure T-shaped groove 203 and the pressure T-shaped bolt 204, the convenient connection of the bolt is realized through the pressure transverse through groove 214 and the pressure longitudinal through groove 215, the limiting and fixing of the pressure step column 218 are realized through the large step end at the lower end, the quick disassembly and the assembly are realized through the pressure driving handle 225, and the quick clamping is realized.
The rear torsion test fixture comprises a bushing mounting seat 303 mounted on a base 1 through bolts, a bushing base 304 of an H shape mounted on the bushing mounting seat 303, a bushing rear support 305 and a bushing front support 308 which are arranged on the bushing base 304 in parallel, a bushing rear inclined frame 306 obliquely arranged on the bushing rear support 305, a bushing front inclined frame 309 obliquely arranged on the bushing front support 308 and parallel to the bushing rear inclined frame 306, a bushing rear hinge joint 307 hinged on the bushing rear inclined frame 306, a bushing central shaft 302 inserted on the rear torsion beam bushing 301 at one end and connected with the bushing rear hinge joint 307, a bushing guide frame 310 arranged on the bushing front inclined frame 309, a bushing C-shaped clamp plate 311 symmetrically arranged on the bushing front inclined frame 309, a bushing pushing screw 312 arranged on the bushing front inclined frame 309 and driving the bushing C-shaped clamp plate 311 to slide on the bushing guide frame 310, a bushing nut arranged at the other end of the bushing central shaft 302, bushing lower mounting seats 315 and bushing upper mounting seats 316 symmetrically buckled on the bushing torsion beam bushing 301, mounting seats 315 connected on the lower mounting seats 315 and upper mounting seats 316, bushings 302 and working bolt supporting through holes 314 arranged on two sides of the bushings 302 and supporting bushings 319 symmetrically arranged on the upper surfaces of the bushings and supporting bushings 319.
A rear torsion beam bushing fatigue strength testing method is provided, and by means of a rear torsion beam bushing fatigue strength testing device, the method comprises the following steps of I, firstly, installing a bushing central shaft 302 into a rear torsion beam bushing 301; then, the liner rear joint 307 of the liner center shaft 302 is connected with the liner rear tilt frame 306; secondly, the bushing pushing screw 312 drives the bushing C-shaped clamping plate 311 to move and clamp the bushing central shaft 302; thirdly, the bushing lower mounting seat 315 and the bushing upper mounting seat 316 are connected by a bushing mating bolt 313; next, the bushing support screw 317 is adjusted and the bushing support head 318 is pushed up against the bushing lower mount 315 until the corresponding bushing angled technical face 319 is perpendicular to the fatigue strength test head; finally, the bushing nut 314 is installed on the bushing center shaft 302;
step II, firstly, the lifting hydraulic cylinder 3 drives the fatigue strength testing head to descend; then, the fatigue strength test head is inserted into the bushing working through hole 320 and is in pressure contact with the rear torsion beam bushing 301; finally, the fatigue strength test head is activated to perform a vibration fatigue strength test on the rear torsion beam bushing 301.
After one of the bushing working through holes 320 is tested, the angle is adjusted again, and the fatigue strength test is performed again. The clamping is realized through a bushing C-shaped clamping plate 311, the support is realized through a bushing central shaft 302, the horizontal state of a bushing inclined process surface 319 is guaranteed through an inclined frame, the connection is realized through a bushing butt bolt 313, the universal adjustment is realized through a bushing rear hinged joint 307, the fastening is realized through a bushing nut 314, and the stress support is realized through a bushing pushing screw 312.
Embodiment 4, the high and low temperature fatigue testing apparatus for steel cord extraction of this embodiment includes a base 1, a top frame 2 disposed above the base 1, a hydraulic cylinder 3 disposed between the base 1 and the top frame 2, a tension measuring vibration motor 401 disposed on the top frame 2, a tension measuring upper gripper 402 disposed at a lower end of the tension measuring vibration motor 401, a tension measuring lower gripper 403 disposed on the base 1, and a tension measuring testing apparatus disposed between the tension measuring upper gripper 402 and the tension measuring lower gripper 403;
the tension measurement testing device comprises a tension measurement upper clamping seat 404, a tension measurement lower clamping seat 405 and a tension measurement test piece 408, wherein the upper end of the tension measurement upper clamping seat 404 is installed at the lower end of a tension measurement upper grabbing head 402, the lower end of the tension measurement lower clamping seat 405 is installed on a tension measurement lower grabbing head 403, and the tension measurement test piece 408 is arranged between the tension measurement lower grabbing head 403 and the tension measurement lower clamping seat 405.
The tension measuring upper clamping seat 404 comprises a tension measuring upper connecting head 406 clamped at the lower end of the tension measuring upper grabbing head 402, a tension measuring port type seat 407 arranged at the lower end of the tension measuring upper connecting head 406, a central hole arranged at the lower end of the tension measuring port type seat 407, a tension measuring central groove 419 arranged on the tension measuring port type seat 407 and used for placing the upper end head of the tension measuring test piece 408, a tension measuring central shaft 420 horizontally and rotatably arranged on the tension measuring port type seat 407, a tension measuring handle 421 arranged at one end of the tension measuring central shaft 420, a tension measuring eccentric wheel 422 arranged on the tension measuring central shaft 420, positioned in the tension measuring central groove 419 and used for pressing down the upper end head of the tension measuring test piece 408, a tension measuring ratchet 423 arranged at the other end of the tension measuring central shaft 420, and a tension measuring pawl 424 arranged on the tension measuring port type seat 407 and used for being engaged with the tension measuring ratchet 423 in one way;
the tension-measuring lower clamping seat 405 comprises a tension-measuring lower connecting seat 409 clamped on a tension-measuring lower grabbing head 403, a tension-measuring rotating shaft 410 arranged on the tension-measuring lower connecting seat 409, a tension-measuring U-shaped seat 411 arranged on the tension-measuring rotating shaft 410, a tension-measuring hinged seat 412 arranged in the middle of the upper end of the tension-measuring U-shaped seat 411, a tension-measuring swing rod 415 with the lower end symmetrically hinged on the tension-measuring hinged seat 412, a tension-measuring swing arm 416 arranged on the tension-measuring swing rod 415, a tension-measuring elastic plate 417 with the upper end hinged on the tension-measuring swing arm 416 and used for clamping the lower end of the tension-measuring test piece 408, a tension-measuring adjusting spring 418 arranged between the tension-measuring swing arm 416 and the tension-measuring elastic plate 417, a tension-measuring side push rod 413 symmetrically arranged on the tension-measuring U-shaped seat 411, and a tension-measuring T-shaped sliding seat 414 hinged at the end of the tension-measuring side push rod 413 and moving on the back of the tension-measuring elastic plate 417.
The base 1 is provided with a heating and heat-preserving device, and the heating and heat-preserving device comprises a testing telescopic cylinder 514 arranged on the base 1, a testing heat-preserving box body 515 which is connected with the testing telescopic cylinder 514 and is used for accommodating a testing inner cavity 517 of a tested test piece and is provided with a heating pipe, testing upper and lower through grooves 516 respectively arranged on the top and the bottom of the testing heat-preserving box body 515, and a testing front baffle 518 arranged on one side of the testing heat-preserving box body 515.
A high and low temperature fatigue test method for steel cord extraction by means of a steel cord extraction high and low temperature fatigue test device, the method comprising the steps of,
firstly, placing the upper end of a tension test piece 408 into a tension test central groove 419 and enabling the lower end of the tension test central groove 419 to penetrate through a through hole; then, the tension measuring handle 421 rotates to press the tension measuring eccentric wheel 422 downwards on the tension measuring test piece 408; secondly, the tension measuring upper connector 406 is mounted on the tension measuring upper gripper 402; thirdly, mounting the tension measuring lower clamping seat 405 on the tension measuring lower grabbing head 403; next, the pulling force side push rod 413 drives the pulling force measuring elastic plate 417 to clamp the lower end of the pulling force measuring test piece 408;
after the first step, a third step is further included, wherein the third step comprises the embodiment in the following scheme;
firstly, starting a lifting hydraulic cylinder 3 to push an upper frame 2 to ascend and pull a tension test piece 408 to a set stroke; then, starting the tension testing vibration motor 401 to perform fatigue testing on the tension testing specimen 408 until the tension testing specimen 408 is broken, and then obtaining fatigue testing data of the tension testing specimen 408 according to the obtained vibration information of the tension testing vibration motor 401;
firstly, starting the lifting hydraulic cylinder 3 to push the top frame 2 to ascend and pull the tension test piece 408 until the tension test piece 408 is broken; and then, according to the pressure value of the lifting hydraulic cylinder 3, tensile stress test data of the tensile test piece 408 are obtained.
A second step is further included between the first step and the third step;
step two, the test telescopic cylinder 514 pushes the test heat-insulating box body 515 to cover the tension test piece 408; second, the upper test front bezel 518 is closed; finally, heating to a specified temperature is performed. Thereby realizing the heating high temperature test.
Realize the tensile test through hydraulic cylinder 3, realize the vibration fatigue test through surveying tensile force vibrating motor 401, survey the tensile force and grab head 402 and survey tensile force and grab head 403 down and realize the joint, realize swivelling joint through surveying tensile force rotation axis 410, conveniently adjust the centering through surveying tensile force adjusting spring 418, survey tensile force elastic plate 417, replenish the centering error. The compression is realized through a tension measuring eccentric wheel 422, the unidirectional fastening is realized through a tension measuring ratchet wheel 423 and a tension measuring pawl 424, the movement of a test heat preservation box body 515 is realized through a test telescopic cylinder 514, and the quick disassembly and assembly are realized through a test front baffle 518.
The rubber test device can be lifted through the lifting hydraulic cylinder 3, and rubber test data can be obtained through the traction and the vibration of the shearing step test piece 102. Realize horizontal direction through the direction polished rod, realize monitoring adjustment through cuting horizontal percentage table 119 to guarantee to be in vertical state completely to cuting second aluminum alloy model 106, avoid the test piece to bear moment of flexure and moment of torsion, guaranteed measuring accuracy nature.
The invention has the advantages of reasonable design, low cost, firmness, durability, safety, reliability, simple operation, time and labor saving, capital saving, compact structure and convenient use.
Claims (2)
1. A rubber performance test method is characterized in that by means of a rubber performance test system, the method comprises one or more of a shearing high-low temperature fatigue test method, a flange rubber connection strength test method, a rear torsion beam bushing fatigue strength test method and a steel cord extraction high-low temperature fatigue test method;
by means of the rubber performance testing system, the rubber performance testing system comprises a base (1), a top frame (2) arranged above the base (1), a lifting hydraulic cylinder (3) arranged between the base (1) and the top frame (2), and a detection unit arranged between the base (1) and the top frame (2) and used for detecting the performance of a rubber connector;
the detection unit comprises a flange rubber connection strength device;
the flange rubber connection strength device comprises a pressure vibration motor (201) arranged on a top frame (2), a pressure upper clamping jaw (202) arranged at the lower end of an output shaft of the pressure vibration motor (201), a pressure T-shaped groove (203) arranged on a base (1), a pressure testing mold (205) arranged between the base (1) and the top frame (2) and used for accommodating a detected flange rubber seat, a pressure T-shaped bolt (204) arranged in the pressure T-shaped groove (203) and used for fixing the pressure testing mold (205), and a pressure strength testing head (206) arranged at the lower end of the pressure upper clamping jaw (202); the pressure strength testing head (206) comprises a pressure testing upper clamping head (207) connected with the pressure upper clamping jaw (202), a pressure testing rod (208) arranged at the lower end of the pressure testing upper clamping head (207), and a pressure testing head (209) arranged at the lower end of the pressure testing rod (208); the pressure testing mould (205) comprises a pressure base (213) arranged on the base (1), a pressure n-type seat (210) arranged on the pressure base (213), a pressure inner cavity (211) arranged between the pressure base (213) and the pressure n-type seat (210) and used for accommodating a flange rubber seat, a pressure guide sleeve (212) arranged in the middle of the top of the pressure n-type seat (210) and used for passing through a pressure strength testing head (206), pressure transverse through grooves (214) and pressure longitudinal through grooves (215) distributed on the pressure base (213), a pressure hollow through hole (216) arranged in the middle of the pressure base (213) and at least two pressure guide through holes (217) arranged on the pressure base (213), the pressure test fixture comprises a pressure step column (218) telescopically arranged in a pressure guide through hole (217), a pressure thread inner hole (219) arranged on the pressure step column (218), a pressure connecting bolt (220) with the lower end connected with the pressure thread inner hole (219) and used for fixing a flange rubber seat, a pressure transverse rod (221) arranged at the lower end of the pressure step column (218), a pressure center support (224) horizontally arranged at one side of a pressure base (213), a pressure swing rod (222) with the middle part hinged to the pressure center support (224), and pressure axial through grooves (223) and pressure driving handles (225) distributed at two ends of a pressure test fixture (205); one end of the pressure transverse rod (221) is inserted in the pressure axial through groove (223);
the method for testing the connection strength of the flange rubber comprises the following steps,
step alpha, firstly, placing a flange rubber seat into a pressure inner cavity (211); then, pressing down a pressure driving handle (225) by hand, enabling a pressure swing rod (222) to swing around a pressure center support (224), enabling a pressure axial through groove (223) to drive a pressure step column (218) to ascend along a pressure thread inner hole (219) through a pressure transverse rod (221), and inserting the pressure step column into a pressure testing clamping fixture (205); secondly, connecting the pressure testing mould (205) with a pressure thread inner hole (219) through a pressure connecting bolt (220);
firstly, the lifting hydraulic cylinder (3) drives the top frame (2) to move downwards, and the pressure strength testing head (206) is in contact with the flange rubber seat; secondly, starting the pressure vibration motor (201), and carrying out fatigue impact on the flange rubber seat by the pressure strength testing head (206) until the rubber of the flange rubber seat is broken.
2. A rubber performance test method is characterized in that by means of a rubber performance test system, the method comprises one or more of a shearing high-low temperature fatigue test method, a flange rubber connection strength test method, a rear torsion beam bushing fatigue strength test method and a steel cord extraction high-low temperature fatigue test method;
by means of a rubber performance testing system, the rubber performance testing system comprises a base (1), a top frame (2) arranged above the base (1), a lifting hydraulic cylinder (3) arranged between the base (1) and the top frame (2), and a detection unit arranged between the base (1) and the top frame (2) and used for detecting the performance of a rubber connector;
the detection unit comprises a rear torsion beam bushing fatigue strength testing device; the rear torsion beam bushing fatigue strength testing device comprises a fatigue strength testing head arranged on the top frame (2) and a rear torsion testing mould which is arranged on the base (1) and is provided with a rear torsion beam bushing (301);
the rear torsion test fixture comprises a bushing mounting seat (303) installed on a base (1) through bolts, an H-shaped bushing base (304) installed on the bushing mounting seat (303), a bushing rear support (305) and a bushing front support (308) which are arranged on the bushing base (304) in parallel, a bushing rear inclined frame (306) obliquely arranged on the bushing rear support (305), a bushing central shaft (302) obliquely arranged on the bushing front support (308) and parallel to the bushing rear inclined frame (306), a bushing rear articulated head (307) hinged on the bushing rear inclined frame (306), a bushing central shaft (302) with one end connected with the bushing rear articulated head (307) and inserted on a rear torsion beam bushing (301), a bushing guide frame (310) arranged on the bushing front inclined frame (309), a bushing C-shaped clamping plate (311) symmetrically arranged on the bushing rear inclined frame (309), a bushing C-shaped clamping plate (311) arranged on the bushing front inclined frame (309) and driving the bushing C-shaped clamping plate (311) to slide on the bushing guide frame (310), a bushing central shaft (312) and a bushing nut (316) symmetrically arranged on the bushing lower mounting seat (316) of the bushing (316), and a bushing nut (316) symmetrically arranged on the bushing mounting seat (316), and a bushing base (316), wherein the bushing rear torsion beam mounting seat (316) are symmetrically arranged on the bushing rear torsion beam bushing base (316), and the bushing mounting seat, the bushing support screw (317) is symmetrically arranged on two sides of the bushing central shaft (302), the lower end of the bushing support screw is arranged on the bushing base (304), the bushing support heads (318) are arranged on the bushing support screws (317) and are used for jacking the lower surfaces of two sides of the bushing lower mounting seat (315), the bushing inclined process surfaces (319) are distributed on the bushing upper mounting seat (316), and the bushing working through holes (320) are arranged on the bushing inclined process surfaces (319);
a rear torsion beam bushing fatigue strength testing method, by means of a rear torsion beam bushing fatigue strength testing apparatus, includes the steps of,
step I, firstly, a bushing central shaft (302) is installed in a rear torsion beam bushing (301); then, connecting a bushing rear hinge (307) of the bushing central shaft (302) with a bushing rear inclined frame (306); secondly, the bushing pushing screw (312) drives the bushing C-shaped clamping plate (311) to move and clamp the bushing central shaft (302); thirdly, connecting the lower bushing mounting seat (315) with the upper bushing mounting seat (316) through a bushing involutory bolt (313); next, adjusting the bushing support screw (317), the bushing support head (318) atop the bushing lower mount (315) until the corresponding bushing angled process face (319) is perpendicular to the fatigue strength test head; finally, mounting the bushing nut (314) on the bushing central shaft (302);
step II, firstly, the lifting hydraulic cylinder (3) drives the fatigue strength testing head to descend; then, the fatigue strength testing head is inserted into the bush working through hole (320) and is in pressure contact with the rear torsion beam bush (301); finally, the fatigue strength test head is started to perform a vibration fatigue strength test on the rear torsion beam bushing (301).
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| CN108709794B (en) * | 2018-05-29 | 2022-05-31 | 青岛科技大学 | Rubber performance test system |
| CN109781550B (en) * | 2019-03-24 | 2023-09-22 | 华北理工大学 | Vertical loading test device and method for shear connector |
| CN110333151A (en) * | 2019-06-19 | 2019-10-15 | 泉州市三兴机械工贸有限公司 | A kind of test method of torque rod bushing |
| CN111239040A (en) * | 2020-01-20 | 2020-06-05 | 西北工业大学 | Asymmetric composite material interface shear mechanical property test device and test method |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5705752A (en) * | 1996-03-01 | 1998-01-06 | The Aerospace Corporation | Rubber substrate shear lap-joint testing fixture and method |
| CN1492224A (en) * | 2003-09-02 | 2004-04-28 | 华中科技大学 | Six shaft mechanical performance measurer for micro samples |
| CN1563938A (en) * | 2004-04-05 | 2005-01-12 | 陈彩多 | Multifunctonal low temp tester for rubber |
| CN202974674U (en) * | 2012-07-18 | 2013-06-05 | 天津天和橡胶工业有限公司 | Rubber fatigue testing stand |
| CN204008347U (en) * | 2014-08-26 | 2014-12-10 | 三角轮胎股份有限公司 | Rubber fatigue comprehensive test device |
| CN104502276A (en) * | 2015-01-19 | 2015-04-08 | 青岛科技大学 | Dynamic fatigue evolution test method for rubber and fiber cord thread bonding |
| CN205719829U (en) * | 2016-05-31 | 2016-11-23 | 臧祥力 | A kind of rubber fatigue testing machine |
| CN106289957A (en) * | 2016-07-28 | 2017-01-04 | 上海荣南橡塑科技有限公司 | In a kind of sealing strip single extraction force test clamping tooling and method of testing |
| CN206311309U (en) * | 2016-11-10 | 2017-07-07 | 圣戈班高功能塑料(上海)有限公司 | A kind of bushing test device |
| CN206648891U (en) * | 2017-03-17 | 2017-11-17 | 安徽中创食品检测有限公司 | A kind of stretching force detecting apparatus |
| CN107677536A (en) * | 2017-09-11 | 2018-02-09 | 湖北神慧汽车零部件有限公司 | A kind of rubber fatigue testing machine |
-
2018
- 2018-05-29 CN CN201810529509.3A patent/CN108593461B/en not_active Expired - Fee Related
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5705752A (en) * | 1996-03-01 | 1998-01-06 | The Aerospace Corporation | Rubber substrate shear lap-joint testing fixture and method |
| CN1492224A (en) * | 2003-09-02 | 2004-04-28 | 华中科技大学 | Six shaft mechanical performance measurer for micro samples |
| CN1563938A (en) * | 2004-04-05 | 2005-01-12 | 陈彩多 | Multifunctonal low temp tester for rubber |
| CN202974674U (en) * | 2012-07-18 | 2013-06-05 | 天津天和橡胶工业有限公司 | Rubber fatigue testing stand |
| CN204008347U (en) * | 2014-08-26 | 2014-12-10 | 三角轮胎股份有限公司 | Rubber fatigue comprehensive test device |
| CN104502276A (en) * | 2015-01-19 | 2015-04-08 | 青岛科技大学 | Dynamic fatigue evolution test method for rubber and fiber cord thread bonding |
| CN205719829U (en) * | 2016-05-31 | 2016-11-23 | 臧祥力 | A kind of rubber fatigue testing machine |
| CN106289957A (en) * | 2016-07-28 | 2017-01-04 | 上海荣南橡塑科技有限公司 | In a kind of sealing strip single extraction force test clamping tooling and method of testing |
| CN206311309U (en) * | 2016-11-10 | 2017-07-07 | 圣戈班高功能塑料(上海)有限公司 | A kind of bushing test device |
| CN206648891U (en) * | 2017-03-17 | 2017-11-17 | 安徽中创食品检测有限公司 | A kind of stretching force detecting apparatus |
| CN107677536A (en) * | 2017-09-11 | 2018-02-09 | 湖北神慧汽车零部件有限公司 | A kind of rubber fatigue testing machine |
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