CN113504139B - Fatigue resistance testing device - Google Patents
Fatigue resistance testing device Download PDFInfo
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- CN113504139B CN113504139B CN202111047279.5A CN202111047279A CN113504139B CN 113504139 B CN113504139 B CN 113504139B CN 202111047279 A CN202111047279 A CN 202111047279A CN 113504139 B CN113504139 B CN 113504139B
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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
- G01N3/32—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces
- G01N3/38—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces generated by electromagnetic means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/04—Chucks
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0058—Kind of property studied
- G01N2203/0069—Fatigue, creep, strain-stress relations or elastic constants
- G01N2203/0073—Fatigue
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Abstract
The invention discloses a fatigue resistance testing device, which belongs to the technical field of fatigue resistance testing and comprises a workbench, wherein the workbench is placed on the ground, the top of the workbench is provided with a fatigue resistance testing device, the fatigue resistance testing device comprises a driving device, a spectacle frame fatigue resistance testing device and a nose bridge frame fatigue resistance testing device, the driving device is arranged at the top of the workbench, the spectacle frame fatigue resistance testing device is arranged on the driving device and is in sliding fit with the driving device, the nose bridge frame fatigue resistance testing device is arranged on the driving device and is in rotating fit with the driving device, the invention tests the deformation condition of a spectacle frame in the using process by repeatedly pulling metal frames at two sides of the spectacle frame through the spectacle frame fatigue resistance testing device to complete the testing, and the nose bridge frame fatigue resistance testing device simulates the movement of a person which is obliquely collided upwards by pressing hands against the spectacle bridge frame, and (3) accurately testing the fatigue of the nose bridge frame to finish the operation.
Description
Technical Field
The invention relates to the technical field of fatigue resistance tests, in particular to a fatigue resistance test device.
Background
The memory alloy material has the characteristics of high strength, light specific gravity, super elasticity, corrosion resistance, fatigue resistance, no toxicity, excellent biocompatibility with a human body and the like, and has wide application prospect in the fields of medicine and the like. In the consumer field of high-grade glasses, the memory alloy material has great research and development and industrialization requirements due to the excellent material characteristics of sweat erosion resistance, super elasticity, good deformation recovery property in wearing and use of the glasses and the like besides the excellent characteristics.
The Chinese patent publication numbers are: CN209589461U, the patent name is chinese patent of a spectacle frame fatigue tester, this patent provides a spectacle frame fatigue tester, belong to a spectacle frame fatigue tester, including the spectacle frame presss from both sides, the support column, bottom plate and spectacle frame, the spectacle frame is pressed from both sides the centre gripping by the spectacle frame, the spectacle frame presss from both sides and establishes on the support column, the support column is established on the sliding block, the hinge department of the spectacle frame left and right sides is pressed from both sides the centre gripping by the spectacle frame respectively, be equipped with fixed test section of thick bamboo between the mirror leg rear end of spectacle frame, fixed test section of thick bamboo is established on the bottom plate and both ends are equipped with the mechanism of guide sliding block motion about, the rear end central authorities of sliding block are equipped with the actuating lever, the electric reciprocating linear drive structure in fixed test section of thick bamboo is connected to the rear end of actuating lever. The utility model discloses according to the action of wearing glasses when in-service use mainly be that the hinge department is cliied to the both hands and insert on the ear, designed the mirror holder respectively and pressed from both sides, the hinge department of spectacle frame is cliied respectively to the mirror holder clamp, then realizes the removal of spectacle frame relatively fixed test section of thick bamboo through the reciprocal linear motion machine of cam drive and elasticity return, accords with the in-service use condition more accurately for the test result is more accurate.
However, the above patent also has the following problems in performing a fatigue test on the eyeglass frame: this patent does not carry out fatigue test to following operator in the normal service behavior to glasses, firstly, in ordinary life, when the person of wearing glasses, can take up the mirror holder and pull the both sides of mirror holder and wear the head with the mirror holder, and everyone head is not of uniform size, lead to when wearing the mirror holder, need pull bigger power with the mirror holder both sides, the metal frame that makes the mirror holder both sides is crooked, wear at the head, can then lead to the not hard up of mirror holder when unable regression original form after the bending of mirror holder both sides, influence the use of person of wearing, secondly, when glasses are worn at people's head, the bridge of the nose of spectacle frame is taken to on the bridge of the nose, and the people is in ordinary operation at ordinary times, glasses can be landing downwards, people are with the bridge of the nose on the mirror holder of contradicting, fix glasses again at the head, and then can make the bridge of the nose of wearer uncomfortable after the bridge goes wrong.
Disclosure of Invention
The embodiment of the invention provides a fatigue resistance testing device, which aims to solve the technical problems.
The embodiment of the invention adopts the following technical scheme: the utility model provides a fatigue test device includes the workstation, the workstation is placed subaerial, the top of workstation is equipped with fatigue test equipment, fatigue test equipment includes drive arrangement, the resistant fatigue test device of mirror holder and the resistant fatigue test device of bridge of the nose frame, drive arrangement installs the top at the workstation, the resistant fatigue test device of mirror holder sets up on drive arrangement and with drive arrangement sliding fit, the resistant fatigue test device of bridge of the nose frame installs on drive arrangement and with drive arrangement normal running fit.
Further, drive arrangement includes supporting seat, driving motor, drive gear, drive rack, removal rack, drive plate and two drive racks, the top at the workstation is installed to the supporting seat, driving motor installs the bottom at the supporting seat, drive gear install on driving motor's main shaft and with driving motor's spindle drive cooperation, the drive rack sets up on the supporting seat, be equipped with the sliding tray on the supporting seat, drive rack and sliding tray sliding fit, drive rack and drive gear meshing, be equipped with the slide rail on the supporting seat, the drive plate setting on the slide rail and with slide rail sliding fit, drive plate and drive rack fixed connection, removal rack fixed mounting is in the bottom of drive plate, two the one end of drive rack is rotated respectively and is set up on two inside walls of drive rack.
Further, the mirror holder fatigue test device includes two spacing framves, two gag lever posts and two test jig, two the fixed bottom that sets up at the supporting seat of spacing frame, two the gag lever post sets up respectively on two spacing framves, two the test jig sets up respectively on two gag lever posts and with gag lever post sliding fit, two the test jig is respectively with the other end normal running fit of two drive framves.
Further, nose bridge frame fatigue test device is including removing subassembly and nose bridge frame test assembly, remove the subassembly setting on the supporting seat and with supporting seat normal running fit, nose bridge frame test assembly set up on the supporting seat and with remove subassembly sliding fit.
Further, the removal subassembly includes rotary gear, rotary rod, rotatory lug, rotary disk and removal frame, the rotary rod install on the supporting seat and with supporting seat normal running fit, rotary gear fixed mounting is on the rotary rod, rotatory lug is fixed to be set up on the rotary rod, the rotary disk is fixed to be set up on the rotary rod, be equipped with the shifting chute on the removal frame, be equipped with the fixture block on the rotary disk, the shifting chute sliding fit on fixture block and the removal frame, remove rack and rotary gear engagement.
Further, the bridge frame test assembly comprises a fixed plate, a tension frame, a contact wheel and a touch frame, the fixed plate is fixedly mounted on the supporting seat, the tension frame is arranged on the fixed plate and is in sliding fit with the fixed plate, the contact wheel rotates to be arranged at one end of the tension frame and is in sliding fit with the rotary lug, the touch frame is hinged to be arranged on the moving frame, a clamping groove is formed in the touch frame, and the other end of the tension frame is in sliding fit with the clamping groove.
Further, still be equipped with fixed equipment on the supporting seat, fixed equipment includes spectacle frame fixing device and regulation fixing device, spectacle frame fixing device installs on the supporting seat, it is equipped with two to adjust fixing device, two adjust fixing device and set up respectively on two test jigs.
Further, the spectacle frame fixing device comprises a fixed seat, a pushing electric cylinder, a lifting frame, a connecting spring, a lifting block, a nose bridge frame fixing block and two fixing pieces, the supporting seat is provided with a through groove, the fixed seat is arranged in the through groove, the pushing electric cylinder is arranged on the side wall of the supporting seat, the fixed seat is internally provided with an accommodating groove, the jacking frame is arranged in the accommodating groove and is in sliding fit with the accommodating groove, the bottom end of the jacking frame is connected with the telescopic end of the pushing electric cylinder, the jacking block is arranged in the holding tank and is in sliding fit with the holding tank, the two ends of the connecting spring are respectively connected with the jacking frame and the jacking block, the nose bridge frame fixing block is arranged at the top of the jacking block, the nose bridge frame fixed block comprises soft material, two the mounting setting just contradicts the cooperation with the jacking piece in the holding tank, the bottom of fixing base is equipped with cotton pad.
Further, two the mounting symmetry sets up in the holding tank, two the mounting all includes rotation fixture block, mirror holder fixed block and buffer spring, rotate the fixture block setting on the fixing base and with fixing base normal running fit, the both ends of rotating the fixture block are contradicted the cooperation with jacking frame and jacking block respectively, buffer spring's both ends are connected with jacking frame and fixing base, the mirror holder fixed block sets up the top at jacking frame, mirror holder fixed block and fixing base sliding fit.
Further, two adjust fixing device includes locking sleeve, locating piece, upper connecting piece, lower connecting piece, hasp and stay, be equipped with the expansion plate on the test jig, the locking sleeve sets up on the expansion plate of test jig, the locating piece is installed on the locking sleeve, the one end of going up the connection piece is installed on the locating piece and is articulated the cooperation with the locating piece, the one end of stay is installed on the locating piece and is articulated the cooperation with the locating piece down, the stay is articulated to be installed at the other end of last connection piece and is articulated the cooperation with the upper connecting piece, the hasp is installed at the other end of stay and is articulated the cooperation with lower connecting piece down, the hasp is articulated the cooperation with the stay, be equipped with soft material in the locking sleeve.
The embodiment of the invention adopts at least one technical scheme which can achieve the following beneficial effects:
firstly, the invention tests the deformation condition of the spectacle frame in the using process by pulling the metal frames on the two sides of the spectacle frame in a reciprocating way through the spectacle frame fatigue resistance testing device, and the nose bridge frame fatigue resistance testing device simulates the movement that a person pushes against the spectacle nose bridge frame through hands to tilt upwards and push against the nose bridge frame, so that the fatigue degree of the nose bridge frame is accurately tested, and the operation is completed.
Secondly, when carrying out the endurance test operation to the spectacle frame, driving motor drives drive gear and rotates, drive gear rotates and drives the sliding tray removal of drive rack on the supporting seat, the drive rack moves on the sliding tray and drives the drive plate and remove on the slide rail, move on the slide rail through the drive plate, two drive racks of accessible drive the both sides mirror holder of mirror holder endurance test device to carry out the endurance test to the mirror holder of glasses simultaneously, with the fastness of the metal frame of test mirror frame both sides, and the drive plate is when removing, still can drive the bridge of the nose frame fatigue test device of nose frame through removing the rack and carry out the fatigue test to the bridge of the nose metal frame of glasses in order to ensure the stability of bridge of the nose frame.
Third, in the life at ordinary times, when the person of wearing glasses, can take up the mirror holder and pull the both sides of mirror holder and wear the head with the mirror holder, and everybody head is not of uniform size, lead to when wearing the mirror holder, need pull bigger power with the mirror holder both sides, make the shelf metal of mirror holder both sides crooked, wear at the head, can then lead to the not hard up of mirror holder when the former state can't returning after the bending of mirror holder both sides, influence the use of person of wearing, can drive two test jigs through two drive towers for the tired degree of test mirror holder this moment and be relative motion, two test jigs drive and adjust fixing device and carry out tired degree test operation to the mirror holder both sides of fixing, with the metal frame that pulls the mirror holder both sides through reciprocating test the deformation condition of mirror holder in the use, the completion test, when two test jigs remove, two spacing framves and two spacing poles are spacing to it.
Fourth, when carrying out fatigue test to glasses bridge of the nose frame, drive the rotation gear through removing the rack and rotate, the rotation gear drives the rotary rod and rotates, the rotary rod drives rotatory lug and rotary disk and rotates, when the rotary disk rotates, move in the shifting chute through the fixture block on the rotary disk and make the removal frame carry out reciprocating motion operation, reciprocating motion operation through the removal frame can drive the touching frame and reciprocate all the time and carry out fatigue test to the bridge of the nose frame, observe the fastness of bridge of the nose frame, prevent that the bridge of the nose from taking place to warp in long-time use, make the bridge of the nose department at people uncomfortable.
Fifthly, when the rotary disk rotates, rotary lug also rotates simultaneously, when touching frame was put up by the removal and is driven reciprocating motion, rotary lug drives conflict wheel and removes, conflict wheel removes and drives pulling force frame reciprocating motion on the fixed plate, and the pulling force frame is when removing, the front end of pulling force frame then can drive touching frame through the draw-in groove and promote the operation, conflict the glasses bridge of nose frame through the hand with the anthropomorphic dummy, carry out the motion of up-tilting conflict, the accurate carries out the fatigue test to the bridge of nose frame, accomplish the operation.
It is six, when operating personnel place eyes frame on the fixing base, promote the electric jar and drive jacking frame downstream, jacking frame downstream drives the jacking piece through two mountings and coupling spring and slowly shifts up, can effectively prevent to lead to glasses bridge frame to appear damaging the influence test because of the great power that produces when fixed, drive the bottom of bridge frame fixed block with glasses bridge frame when the jacking piece shifts up and fix the operation, two mountings of deuterogamying firmly fix the completion work with glasses.
Seventhly, when carrying out test operation to the metal frame at spectacle frame both ends, make through removing the expansion plate and adjust fixing device and move the optional position at spectacle frame both ends, pull the stay through operating personnel, make upper connecting piece and lower connecting piece press from both sides the metal frame optional position department at spectacle frame both ends tightly, the stay drives the hasp and fixes the locking to it, convenient operation is swift, and the optional position is adjusted to the accessible, can cooperate the resistant fatigue test device of spectacle frame to carry out the resistant fatigue test operation to each position of spectacle frame both sides, make the fatigue test more comprehensive.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a partial perspective sectional view of the drive assembly of the present invention;
FIG. 3 is a partial perspective view of the driving device of the present invention;
FIG. 4 is a first partial perspective view of the present invention;
FIG. 5 is a second partial perspective view of the present invention;
FIG. 6 is a schematic perspective view of the nose bridge fatigue testing device of the present invention;
FIG. 7 is a perspective view of the eyeglass frame securing device of the present invention;
FIG. 8 is a sectional view of a partial perspective structure of the eyeglass frame holder of the present invention;
FIG. 9 is a schematic view of a first perspective structure of the adjusting fixture of the present invention;
fig. 10 is a second perspective view of the adjusting fixture of the present invention.
Reference numerals
The device comprises a workbench 1, a fatigue resistance test device 2, a driving device 3, a supporting seat 31, a driving motor 32, a driving gear 33, a driving rack 34, a moving rack 35, a driving plate 36, a driving frame 37, a spectacle frame fatigue resistance test device 4, a limiting frame 41, a limiting rod 42, a test frame 43, a telescopic plate 44, a bridge frame fatigue resistance test device 5, a moving assembly 51, a rotating gear 511, a rotating rod 512, a rotating lug 513, a rotating disk 514, a fixture block 515, a moving frame 516, a moving groove 517, a bridge frame test assembly 52, a fixed plate 521, a tension frame 522, an abutting wheel 523, a touch frame 524, a clamping groove 525, a fixing device 6, a spectacle frame fixing device 7, a fixed seat 71, a holding groove 711, a pushing electric cylinder 72, a jacking frame 73, a connecting spring 74, a jacking block 75, a nose fixing block 76, a fixing part 77, a rotating fixture block 771, a spectacle frame fixing block 772, a buffer spring 773 and an adjusting and fixing device 8, the locking device comprises a locking sleeve 81, a positioning block 82, an upper connecting sheet 83, a lower connecting sheet 84, a lock catch 85 and a locking sheet 86.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the specific embodiments of the present invention and the accompanying drawings. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The technical solutions provided by the embodiments of the present invention are described in detail below with reference to the accompanying drawings.
Referring to fig. 1 to 10, an embodiment of the invention provides a fatigue resistance testing device, which includes a workbench 1, the workbench 1 is placed on the ground, a fatigue resistance testing device 2 is arranged at the top of the workbench 1, the fatigue resistance testing device 2 includes a driving device 3, a spectacle frame fatigue resistance testing device 4 and a nose bridge frame fatigue resistance testing device 5, the driving device 3 is installed at the top of the workbench 1, the spectacle frame fatigue resistance testing device 4 is arranged on the driving device 3 and is in sliding fit with the driving device 3, and the nose bridge frame fatigue resistance testing device 5 is installed on the driving device 3 and is in rotating fit with the driving device 3; the invention tests the deformation condition of the spectacle frame in the using process by pulling the metal frames on the two sides of the spectacle frame in a reciprocating way through the spectacle frame fatigue resistance testing device 4, and the nose bridge frame fatigue resistance testing device 5 simulates the movement that a person pushes against the spectacle nose bridge frame through hands to tilt upwards and push against the nose bridge frame, so that the fatigue degree of the nose bridge frame is accurately tested, and the operation is completed.
Preferably, the driving device 3 comprises a supporting seat 31, a driving motor 32, a driving gear 33, a driving rack 34, a moving rack 35, a driving plate 36 and two driving racks 37, the supporting seat 31 is installed at the top of the worktable 1, the driving motor 32 is installed at the bottom of the supporting seat 31, the driving gear 33 is mounted on the main shaft of the driving motor 32 and is in transmission fit with the main shaft of the driving motor 32, the driving rack 34 is arranged on the supporting seat 31, a sliding groove is arranged on the supporting seat 31, the driving rack 34 is in sliding fit with the sliding groove, the driving rack 34 is meshed with the driving gear 33, the support seat 31 is provided with a slide rail, the driving plate 36 is arranged on the slide rail and is in slide fit with the slide rail, the driving plate 36 is fixedly connected with the driving rack 34, the moving rack 35 is fixedly installed at the bottom of the driving plate 36, and one end of each of the two driving frames 37 is rotatably arranged on two inner side walls of the driving frame 37; when carrying out the endurance test operation to the spectacle frame, driving motor 32 drives drive gear 33 and rotates, drive gear 33 rotates and drives drive rack 34 and remove on the sliding tray of supporting seat 31, drive rack 34 moves on the sliding tray and drives drive plate 36 and remove on the slide rail, move on the slide rail through drive plate 36, accessible two drive frames 37 drive mirror holder endurance test device 4 simultaneously and carry out the endurance test to the both sides mirror holder of glasses, with the fastness of the metal frame of test mirror frame both sides, and drive plate 36 is when removing, still can drive bridge frame endurance test device 5 through removing rack 35 and carry out the endurance test to the bridge of the nose metal frame of glasses in order to ensure the stability of bridge of the nose frame.
Preferably, the spectacle frame fatigue test device 4 comprises two limit frames 41, two limit rods 42 and two test frames 43, the two limit frames 41 are fixedly arranged at the bottom of the support seat 31, the two limit rods 42 are respectively arranged on the two limit frames 41, the two test frames 43 are respectively arranged on the two limit rods 42 and are in sliding fit with the limit rods 42, and the two test frames 43 are respectively in rotating fit with the other ends of the two drive frames 37; in daily life, when a wearer wears glasses, the spectacle frame can be lifted up and the two sides of the spectacle frame are pulled to wear the head of the spectacle frame, when the glasses frame is worn, the metal frames on the two sides of the glasses frame are bent to be worn on the head due to different head sizes of the people, when the two sides of the mirror bracket can not return to the original shape after being bent, the mirror bracket can be loosened, the use of a wearer is influenced, the fatigue of the mirror bracket can be tested, the two driving frames 37 can drive the two testing frames 43 to move relatively, the two testing frames 43 drive the adjusting and fixing device 8 to carry out fatigue testing operation on the two sides of the fixed mirror bracket, the deformation condition of the lens frame in the using process is tested by pulling the metal frames on the two sides of the lens frame in a reciprocating way to finish the test, when the two test racks 43 move, the two position-limiting racks 41 and the two position-limiting rods 42 limit the position thereof.
Preferably, the nose bridge fatigue resistance testing device 5 comprises a moving assembly 51 and a nose bridge testing assembly 52, wherein the moving assembly 51 is arranged on the supporting seat 31 and is in running fit with the supporting seat 31, and the nose bridge testing assembly 52 is arranged on the supporting seat 31 and is in sliding fit with the moving assembly 51; when glasses were worn at the people head, the bridge of spectacle frame was taken to on the bridge of the nose, and the people was in the action at ordinary times, glasses can the landing downwards, and people are with the bridge of the nose on the mirror holder of contradicting usually, fix glasses again at the head, then the accessible removes subassembly 51 cooperation bridge of the nose test subassembly 52 and carries out confliction fatigue test with the fastness of test bridge of the nose this moment, prevent that bridge of the nose from taking place to warp in long-time use, make people's bridge of the nose department uncomfortable.
Preferably, the moving assembly 51 comprises a rotating gear 511, a rotating rod 512, a rotating lug 513, a rotating disk 514 and a moving rack 516, wherein the rotating rod 512 is mounted on the supporting seat 31 and is in rotating fit with the supporting seat 31, the rotating gear 511 is fixedly mounted on the rotating rod 512, the rotating lug 513 is fixedly arranged on the rotating rod 512, the rotating disk 514 is fixedly arranged on the rotating rod 512, a moving slot 517 is arranged on the moving rack 516, a latch 515 is arranged on the rotating disk 514, the latch 515 is in sliding fit with the moving slot 517 on the moving rack 516, and the moving rack 35 is meshed with the rotating gear 511; when carrying out fatigue test to glasses bridge, drive rotatory gear 511 through removing rack 35 and rotate, rotatory gear 511 drives rotary rod 512 and rotates, rotary rod 512 drives rotatory lug 513 and rotary disk 514 and rotates, when rotary disk 514 rotates, fixture block 515 through on the rotary disk 514 removes in shifting chute 517 and makes removal frame 516 carry out reciprocating motion operation, reciprocating motion operation through removal frame 516 can drive touching frame 524 and carry out fatigue test to the bridge always, observe the fastness of bridge, prevent that the bridge from taking place to warp in the long-time use of bridge, make the bridge of the nose department of people at uncomfortable.
Preferably, the bridge testing assembly 52 comprises a fixed plate 521, a tension frame 522, a contact wheel 523 and a touch frame 524, wherein the fixed plate 521 is fixedly mounted on the supporting seat 31, the tension frame 522 is arranged on the fixed plate 521 and is in sliding fit with the fixed plate 521, the contact wheel 523 is rotatably arranged at one end of the tension frame 522 and is in sliding fit with the rotating bump 513, the touch frame 524 is hinged on the moving frame 516, a clamping groove 525 is arranged on the touch frame 524, and the other end of the tension frame 522 is in sliding fit with the clamping groove 525; when rotary disk 514 rotates, rotary bump 513 also rotates simultaneously, when touching frame 524 is driven reciprocating motion by removal frame 516, rotary bump 513 drives conflict wheel 523 and removes, conflict wheel 523 removes and drives tension frame 522 reciprocating motion on fixed plate 521, and tension frame 522 is when removing, the front end of tension frame 522 then can drive touching frame 524 through draw-in groove 525 and promote the operation, with the anthropomorphic dummy through the glasses bridge of hand conflict, carry out the motion of the conflict of tilting up, the accurate carries out the fatigue test to the bridge, accomplish the operation.
Preferably, the supporting seat 31 is further provided with a fixing device 6, the fixing device 6 includes a spectacle frame fixing device 7 and two adjusting fixing devices 8, the spectacle frame fixing device 7 is mounted on the supporting seat 31, the two adjusting fixing devices 8 are provided, and the two adjusting fixing devices 8 are respectively arranged on the two test frames 43; through spectacle frame fixing device 7, can carry out effectual fixed and do not hinder the resistant fatigue test device of spectacle frame 4 and bridge frame 5's of nai fatigue test device's test operation with the eye frame, adjust fixing device 8 then can cooperate the resistant fatigue test device of spectacle frame 4 to carry out the resistant fatigue test operation to each position of spectacle frame both sides.
Preferably, the glasses frame fixing device 7 includes a fixing seat 71, a pushing electric cylinder 72, a jacking frame 73, a connecting spring 74, a jacking block 75, a nose bridge fixing block 76 and two fixing pieces 77, a through groove is provided on the supporting seat 31, the fixing seat 71 is installed in the through groove, the pushing electric cylinder 72 is installed on the side wall of the supporting seat 31, an accommodating groove 711 is provided in the fixing seat 71, the jacking frame 73 is disposed in the accommodating groove 711 and is in sliding fit with the accommodating groove 711, the bottom end of the jacking frame 73 is connected with the telescopic end of the pushing electric cylinder 72, the jacking block 75 is disposed in the accommodating groove 711 and is in sliding fit with the accommodating groove 711, the two ends of the connecting spring 74 are respectively connected with the jacking frame 73 and the jacking block 75, the nose bridge fixing block 76 is disposed at the top of the jacking block 75, the nose bridge fixing block 76 is made of soft material, the two fixing pieces 77 are disposed in the accommodating groove 711 and are in abutting fit with the jacking block 75, a cotton pad is arranged at the bottom of the fixed seat 71; when operating personnel place the eyes frame on fixing base 71, promote electric jar 72 and drive jacking frame 73 and move down, jacking frame 73 moves down and drives jacking piece 75 through two mounting 77 and connecting spring 74 and slowly shifts up, can effectively prevent to lead to the damage to influence the test to appear in the nose bridge frame because of the great power that produces when fixed, drive nose bridge frame fixed block 76 when jacking piece 75 shifts up and carry out the fixed operation with the bottom of nose bridge frame, two mounting 77 of deuterogamying firmly fix the completion work with glasses.
Preferably, the two fixing elements 77 are symmetrically arranged in the accommodating groove 711, each of the two fixing elements 77 includes a rotating block 771, a frame fixing block 772 and a buffer spring 773, the rotating block 771 is arranged on the fixing seat 71 and is in rotating fit with the fixing seat 71, two ends of the rotating block 771 are respectively in interference fit with the lifting frame 73 and the lifting block 75, two ends of the buffer spring 773 are connected with the lifting frame 73 and the fixing seat 71, the frame fixing block 772 is arranged at the top of the lifting frame 73, and the frame fixing block 772 is in sliding fit with the fixing seat 71; when the jacking frame 73 moves downwards, the rotating fixture block 771 is driven to move, the rotating fixture block 771 drives the jacking block 75 to slowly move upwards to fix the spectacle nose bridge frame, and the spectacle frame fixing block 772 moves downwards and fixes the hinged parts of the metal frames at the two ends of the spectacle frame and the spectacle frame, so that the position deviation is prevented from occurring when the spectacle frame fatigue test device 4 tests the metal frames at the two ends of the spectacle frame, and the test effect is influenced.
Preferably, the two adjusting and fixing devices 8 include a locking sleeve 81, a positioning block 82, an upper connecting piece 83, a lower connecting piece 84, a lock catch 85 and a locking piece 86, the testing frame 43 is provided with the expansion plate 44, the locking sleeve 81 is arranged on the expansion plate 44 of the testing frame 43, the positioning block 82 is arranged on the locking sleeve 81, one end of the upper connecting piece 83 is arranged on the positioning block 82 and is in hinged fit with the positioning block 82, one end of the lower connecting piece 84 is arranged on the positioning block 82 and is in hinged fit with the positioning block 82, the locking piece 86 is arranged at the other end of the upper connecting piece 83 in hinged fit with the upper connecting piece 83, the lock catch 85 is arranged at the other end of the lower connecting piece 84 and is in hinged fit with the lower connecting piece 84, the lock catch 85 is in hinged fit with the locking piece 86, and a soft material is arranged in the locking sleeve 81; when carrying out test operation to the metal frame at spectacle frame both ends, make through removing expansion plate 44 and adjust fixing device 8 and move the optional position at spectacle frame both ends, pull stay 86 through operating personnel, make upper connecting piece 83 and lower connecting piece 84 press from both sides the metal frame optional position department at spectacle frame both ends tightly, stay 86 drives hasp 85 and fixes the locking to it, convenient operation is swift, and the optional position is adjusted to the accessible, can cooperate the fatigue test device 4 of spectacle frame to carry out fatigue test operation to each position of spectacle frame both sides, it is more comprehensive to make the fatigue test.
The above description is only an example of the present invention, and is not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (6)
1. A fatigue resistance testing device comprises a workbench (1), wherein the workbench (1) is placed on the ground, and is characterized in that fatigue resistance testing equipment (2) is arranged at the top of the workbench (1), the fatigue resistance testing equipment (2) comprises a driving device (3), a mirror frame fatigue resistance testing device (4) and a nose bridge frame fatigue resistance testing device (5), the driving device (3) is installed at the top of the workbench (1), the mirror frame fatigue resistance testing device (4) is arranged on the driving device (3) and is in sliding fit with the driving device (3), the nose bridge frame fatigue resistance testing device (5) is installed on the driving device (3) and is in rotating fit with the driving device (3), fixing equipment (6) is further arranged on the driving device (3), and the fixing equipment (6) comprises a glasses frame fixing device (7) and an adjusting and fixing device (8), the spectacle frame fixing device (7) is arranged on the driving device (3), the adjusting and fixing devices (8) are two, the two adjusting and fixing devices (8) are respectively arranged on the two spectacle frame fatigue test devices (4), the driving device (3) comprises a supporting seat (31), a driving motor (32), a driving gear (33), a driving rack (34), a moving rack (35), a driving plate (36) and two driving frames (37), the supporting seat (31) is arranged at the top of the workbench (1), the driving motor (32) is arranged at the bottom of the supporting seat (31), the driving gear (33) is arranged on a main shaft of the driving motor (32) and is in transmission fit with a main shaft of the driving motor (32), the driving rack (34) is arranged on the supporting seat (31), and a sliding groove is arranged on the supporting seat (31), the glasses frame fixing device (7) comprises a fixing seat (71), a pushing electric cylinder (72), a jacking frame (73), a connecting spring (74), a jacking block (75), a nose bridge frame fixing block (76) and two fixing pieces (77), wherein the supporting seat (31) is provided with a through groove, the fixing seat (71) is installed in the through groove, the driving rack (34) is meshed with a driving gear (33), a sliding rail is arranged on the supporting seat (31), the driving plate (36) is arranged on the sliding rail and is in sliding fit with the sliding rail, the driving plate (36) is fixedly connected with the driving rack (34), the moving rack (35) is fixedly installed at the bottom of the driving plate (36), one end of the two driving frames (37) is respectively and rotatably arranged on two inner side walls of the driving frames (37), the glasses frame fixing device (7) comprises a fixing seat (71), a pushing electric cylinder (72), a jacking frame (73), a connecting spring (74), a jacking block (75), a nose bridge frame fixing block (76) and two fixing pieces (77), be equipped with holding tank (711) in fixing base (71), jacking frame (73) set up in holding tank (711) and with holding tank (711) sliding fit, the bottom of jacking frame (73) is connected with the flexible end that promotes electric jar (72), jacking piece (75) set up in holding tank (711) and with holding tank (711) sliding fit, the both ends of connecting spring (74) are connected with jacking frame (73) and jacking piece (75) respectively, nose bridge frame fixed block (76) set up the top at jacking piece (75), nose bridge frame fixed block (76) comprise soft material, two fixing member (77) set up in holding tank (711) and with jacking piece (75) conflict cooperation, the bottom of fixing base (71) is equipped with cotton pad, two fixing member (77) symmetry sets up in holding tank (711), two fixing member (77) all include rotate fixture block (771), Mirror holder fixed block (772) and buffer spring (773), rotation fixture block (771) set up on fixing base (71) and with fixing base (71) normal running fit, the both ends of rotation fixture block (771) contradict the cooperation with jacking frame (73) and jacking piece (75) respectively, buffer spring (773)'s both ends are connected with jacking frame (73) and fixing base (71), mirror holder fixed block (772) set up the top in jacking frame (73), mirror holder fixed block (772) and fixing base (71) sliding fit.
2. The fatigue resistance testing device of claim 1, wherein the frame fatigue resistance testing device (4) comprises two limiting frames (41), two limiting rods (42) and two testing frames (43), the two limiting frames (41) are fixedly arranged at the bottom of the supporting seat (31), the two limiting rods (42) are respectively arranged on the two limiting frames (41), the two testing frames (43) are respectively arranged on the two limiting rods (42) and are in sliding fit with the limiting rods (42), and the two testing frames (43) are respectively in rotating fit with the other ends of the two driving frames (37).
3. A device for fatigue resistance testing according to claim 1, wherein said nose bridge fatigue resistance testing device (5) comprises a moving assembly (51) and a nose bridge testing assembly (52), said moving assembly (51) being arranged on the support base (31) and being in rotational engagement with the support base (31), said nose bridge testing assembly (52) being arranged on the support base (31) and being in sliding engagement with the moving assembly (51).
4. The fatigue resistance testing device of claim 3, wherein the moving assembly (51) comprises a rotating gear (511), a rotating rod (512), a rotating lug (513), a rotating disk (514) and a moving rack (516), the rotating rod (512) is mounted on the supporting seat (31) and is in running fit with the supporting seat (31), the rotating gear (511) is fixedly mounted on the rotating rod (512), the rotating lug (513) is fixedly arranged on the rotating rod (512), the rotating disk (514) is fixedly arranged on the rotating rod (512), the moving rack (516) is provided with a moving groove (517), the rotating disk (514) is provided with a clamping block (515), the clamping block (515) is in sliding fit with the moving groove (517) on the moving rack (516), and the moving rack (35) is meshed with the rotating gear (511).
5. The fatigue resistance testing device of claim 4, wherein the bridge testing assembly (52) comprises a fixed plate (521), a tension frame (522), a contact wheel (523) and a touch frame (524), the fixed plate (521) is fixedly mounted on the supporting seat (31), the tension frame (522) is arranged on the fixed plate (521) and is in sliding fit with the fixed plate (521), the contact wheel (523) is rotatably arranged at one end of the tension frame (522) and is in sliding fit with the rotating lug (513), the touch frame (524) is hinged on the moving frame (516), a clamping groove (525) is formed in the touch frame (524), and the other end of the tension frame (522) is in sliding fit with the clamping groove (525).
6. The fatigue resistance testing device according to claim 2, wherein the two adjusting and fixing devices (8) comprise a locking sleeve (81), a positioning block (82), an upper connecting piece (83), a lower connecting piece (84), a lock catch (85) and a locking piece (86), a telescopic plate (44) is arranged on the testing frame (43), the locking sleeve (81) is arranged on the telescopic plate (44) of the testing frame (43), the positioning block (82) is arranged on the locking sleeve (81), one end of the upper connecting piece (83) is arranged on the positioning block (82) and is in hinged fit with the positioning block (82), one end of the lower connecting piece (84) is arranged on the positioning block (82) and is in hinged fit with the positioning block (82), the locking piece (86) is arranged at the other end of the upper connecting piece (83) in hinged fit with the upper connecting piece (83), the lock catch (85) is installed at the other end of the lower connecting sheet (84) and is in hinged fit with the lower connecting sheet (84), the lock catch (85) is in hinged fit with the locking sheet (86), and soft materials are arranged in the locking sleeve (81).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111047279.5A CN113504139B (en) | 2021-09-08 | 2021-09-08 | Fatigue resistance testing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111047279.5A CN113504139B (en) | 2021-09-08 | 2021-09-08 | Fatigue resistance testing device |
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| CN113504139A CN113504139A (en) | 2021-10-15 |
| CN113504139B true CN113504139B (en) | 2021-12-07 |
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| CN202111047279.5A Active CN113504139B (en) | 2021-09-08 | 2021-09-08 | Fatigue resistance testing device |
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| CN114323948B (en) * | 2021-12-30 | 2024-05-28 | 江苏天工科技股份有限公司 | Wire tensile strength testing equipment for spectacle frame and application method thereof |
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| CN201811892U (en) * | 2009-12-10 | 2011-04-27 | 深圳市欧帝光学有限公司 | Device for testing nose bridge fitting of TiNi shape memory alloy glasses |
| CN205090922U (en) * | 2015-11-06 | 2016-03-16 | 陈世辉 | Glasses bridge of nose deflection tester |
| CN106066288B (en) * | 2016-08-15 | 2019-10-11 | 温州市八达光学有限公司 | A kind of memory metal central sill endurance test equipment |
| CN111811953A (en) * | 2020-05-14 | 2020-10-23 | 温州市中民眼镜有限公司 | Glasses opening static deformation detection method and equipment |
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