CN112903264A - Fatigue testing device for mirror bracket hinge - Google Patents
Fatigue testing device for mirror bracket hinge Download PDFInfo
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- CN112903264A CN112903264A CN202110068628.5A CN202110068628A CN112903264A CN 112903264 A CN112903264 A CN 112903264A CN 202110068628 A CN202110068628 A CN 202110068628A CN 112903264 A CN112903264 A CN 112903264A
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- permanent magnet
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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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Abstract
The invention provides a fatigue testing device for a mirror bracket hinge, which relates to the field of fatigue testing equipment and comprises a base, wherein a supporting column is fixedly connected to the top of the base, a workbench is fixedly connected to the top of the supporting column, a plurality of testing mechanisms are fixedly connected to the top of the workbench, and the plurality of testing mechanisms are arranged at equal angles by taking the center of the workbench as the center. This mirror holder hinge fatigue test device, when using, at first insert the cover with a blade of hinge in, then the handle of pulling fixed slot one side, the handle passes through the pull rod and drives the clamp plate motion, at this moment put into the fixed slot with another blade of hinge, then release the handle, the clamp plate resets under reset spring's effect and compresses tightly fixedly with a blade of hinge, good back is installed the hinge of different materials in proper order, open driving motor, driving motor drives the action wheel rotation, the action wheel drives the ring gear rotation, the ring gear drives the carousel rotation.
Description
Technical Field
The invention relates to the technical field of fatigue test equipment, in particular to a fatigue test device for a mirror bracket hinge.
Background
In the manufacturing industry of the glasses, the glasses legs and the glasses frame are connected by hinges, and after the finished glasses frame is produced, a fatigue test needs to be carried out on the hinge structure so as to determine whether the quality of the glasses frame reaches the standard. The traditional inspection mode is that the glasses legs and the glasses frame are mechanically opened and closed through manual operation, and after the glasses legs and the glasses frame are opened and closed according to rated times, the defects of opening and closing retardation, incapability of rebounding, elasticity and the like of a hinge between the glasses legs and the glasses frame are inspected. However, such a test method requires manual mechanical operation, which wastes labor and causes inaccurate test due to the difference of force application during operation.
According to a hinge fatigue test device that chinese patent number is CN201710561069.5, this comparison file includes base and riser, the riser sets up on the base up end, still be provided with the box on the base up end, the inside sliding block that is provided with two inner wall sliding connection with it of box, two sliding block looks back ends all are connected with the box lateral wall through hold-down spring, and box upper end both sides all are provided with splint, and two splint bottoms pass the box roof and lie in with sliding block top fixed connection of one side, be provided with the cross axle on the riser, the cross axle outside is provided with the support sleeve, support sleeve and riser fixed connection, the cross axle is close to box one side and is provided with the rolling disc, be provided with two protruding poles that use the rolling disc diameter as the line of symmetry on the rolling disc, the protruding pole is connected through adjustment mechanism with the rolling disc terminal surface.
However, the hinge fatigue testing device provided in the comparison document can only test one hinge, and when the hinges made of different materials need to be compared, the testing needs to be repeated for a plurality of times, so that the efficiency is not high.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a fatigue testing device for a hinge of a spectacle frame, which can simultaneously test a plurality of hinges and solves the problems in the background technology.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a mirror holder hinge fatigue test device, includes the base, the top fixedly connected with support column of base, the top fixedly connected with workstation of support column, the top fixedly connected with accredited testing organization of workstation, accredited testing organization sets up to a plurality ofly, and a plurality of accredited testing organization use the center of workstation as the setting of central uniform angle.
Preferably, the number of the test mechanisms is set to five.
Preferably, the testing mechanism comprises a first permanent magnet, a second permanent magnet, a sliding sleeve, a sliding rod, a hinged shaft, a sleeve, a limiting rod, a fixing groove, a pressing plate, a reset spring, a pull rod and a handle, the sliding rod is fixedly connected to the top of the workbench, the sliding rod is vertically arranged, the sliding sleeve is in sliding fit with the sliding rod, the first permanent magnet is fixedly connected to the bottom of one side of the sliding sleeve, the second permanent magnet is arranged above the first permanent magnet, the first permanent magnet and the second permanent magnet are identical in size and shape, one side of the second permanent magnet is fixedly connected with the sliding sleeve, the sleeve is arranged between the first permanent magnet and the second permanent magnet, the sleeve is matched with a blade of a hinge, one side of the sleeve is fixedly connected with the hinged shaft, one end, far away from one side of the sleeve, of the hinged shaft is hinged to the sliding sleeve, the top, the fixed slot fixed connection is on the workstation, the clamp plate sets up in the fixed slot, one side and the pull rod fixed connection of clamp plate, the one end that the clamp plate was kept away from to the pull rod run through the fixed slot and with handle fixed connection, the upper and lower bilateral symmetry of pull rod is provided with two reset spring, and reset spring's one end and clamp plate fixed connection, reset spring's the other end and the inner wall fixed connection of fixed slot.
Preferably, the number of the sliding rods of each testing mechanism is two, and the two sliding rods are symmetrically arranged on two sides of the sleeve.
Preferably, the length of the sliding sleeve is more than one third of the length of the sliding rod.
Preferably, the bottom of the workbench is provided with a turntable, the distance between the upper surface of the turntable and the lower surface of the workbench is less than one centimeter, the center of the turntable is hinged with the supporting column through a bearing, the diameter of the turntable is larger than that of the workbench, a third permanent magnet is embedded on the rotary table, the distance from the center of the third permanent magnet to the circle center of the rotary table is the same as the distance from the center of the first permanent magnet to the center of the workbench, a fourth permanent magnet is arranged right above the third permanent magnet, the third permanent magnet and the fourth permanent magnet have the same size and shape, one side of the fourth permanent magnet is fixedly connected with an L-shaped rod, one end of the L-shaped rod is fixedly connected with the turntable, the top magnetic pole of the third permanent magnet is the same as the bottom magnetic pole of the first permanent magnet, and the bottom magnetic pole of the fourth permanent magnet is different from the top magnetic pole of the second permanent magnet.
Preferably, the third permanent magnet and the fourth permanent magnet are provided in a circular shape, and the diameter of the third permanent magnet and the diameter of the fourth permanent magnet are greater than twice the length of the first permanent magnet.
Preferably, the bottom fixedly connected with ring gear of carousel, the axis of ring gear and the coincidence of the axis of support column, one side meshing of ring gear has the action wheel, the bottom of action wheel is connected with driving motor, driving motor's bottom fixedly connected with mount pad, the bottom and the base fixed connection of mount pad.
Preferably, the top fixedly connected with laser instrument of workstation, the distance of laser instrument to workstation center equals the distance that first permanent magnet center reachd the workstation center, be provided with the photoreceptor directly over the laser instrument, the top fixedly connected with horizontal pole of photoreceptor, the bottom fixedly connected with montant of horizontal pole, the bottom and the workstation fixed connection of montant, the distance of the lower surface of photoreceptor to workstation upper surface is greater than the distance of fourth permanent magnet upper surface to workstation upper surface, still fixedly connected with counter on the workstation, photoreceptor and counter electric connection.
(III) advantageous effects
The invention provides a fatigue testing device for a hinge of a spectacle frame. The method has the following beneficial effects:
1. when the fatigue testing device for the mirror frame hinge is used, firstly, one blade of the hinge is inserted into the sleeve, then the handle on one side of the fixed groove is pulled, the handle drives the pressing plate to move through the pull rod, at the moment, the other blade of the hinge is placed into the fixed groove, then the handle is released, the pressing plate is reset under the action of the reset spring to tightly press and fix one blade of the hinge, after the hinges made of different materials are sequentially installed, the driving motor is started, the driving wheel is driven to rotate by the driving wheel, the gear ring drives the turntable to rotate, the turntable drives the third permanent magnet and the fourth permanent magnet to do circular motion by taking the axis of the supporting column as the center, when the third permanent magnet passes through the lower part of the first permanent magnet, because the top magnetic pole of the third permanent magnet is the same as the bottom magnetic pole of the first permanent magnet, therefore, at this moment, the bottom magnetic pole because of the fourth permanent magnet is different from the top magnetic pole of second permanent magnet, make the second permanent magnet can receive the appeal of fourth permanent magnet, thereby further rise, touch each other until second permanent magnet and gag lever post, and first permanent magnet and second permanent magnet drive the sleeve pipe and rise, it is rotatory to drive a blade of hinge when the sleeve pipe rises, along with the rotation of carousel, third permanent magnet and fourth permanent magnet can leave this accredited testing organization's position, at this moment, the influence of third permanent magnet and fourth permanent magnet has been lost, this accredited testing organization's first permanent magnet and second permanent magnet descend until reseing, just so accomplish once the motion, when the carousel is rotatory a week, once the motion is all accomplished to whole hinges, thereby test a plurality of hinges simultaneously, the efficiency improves greatly.
2. This mirror holder hinge fatigue test device, through the laser instrument, the setting of photoreceptor and counter, when the carousel is rotatory, the fourth permanent magnet can pass through between photoreceptor and the laser instrument, at this moment the photoreceptor can not receive the light that the laser instrument transmitted to give the counter count once with the signal transmission, and the rotatory a week of carousel at every turn just the accounting number is once, and the rotatory a week of carousel just is that all hinges all move once, consequently can be convenient the number of times of moving to all hinges counts.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a perspective view of the second embodiment of the present invention;
FIG. 3 is an enlarged view of the structure of FIG. 1 at A according to the present invention;
FIG. 4 is a cross-sectional view of a fixing groove structure according to the present invention;
fig. 5 is a front view of the structure of the present invention.
In the figure: the device comprises a base 1, a mounting seat 2, a workbench 3, a testing mechanism 4, a laser 5, a cross bar 6, a counter 7, a photoreceptor 8, a rotary table 9, a 10L-shaped rod, a fourth permanent magnet 11, a vertical rod 12, a support column 13, a driving motor 14, a driving wheel 15, a toothed ring 16, a third permanent magnet 17, a first permanent magnet 18, a second permanent magnet 19, a hinge shaft 20, a sleeve 21, a sliding sleeve 22, a sliding rod 23, a limiting rod 24, a fixing groove 25, a handle 26, a pressing plate 27, a pull rod 28 and a return spring 29.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
The embodiment of the invention provides a fatigue testing device for a mirror frame hinge, which comprises a base 1, wherein a supporting column 13 is fixedly connected to the top of the base 1, a workbench 3 is fixedly connected to the top of the supporting column 13, a testing mechanism 4 is fixedly connected to the top of the workbench 3, the testing mechanisms 4 are arranged in a plurality, and the plurality of testing mechanisms 4 are arranged at equal angles by taking the center of the workbench 3 as the center.
The number of the test mechanisms 4 is set to five. The testing mechanism 4 comprises a first permanent magnet 18, a second permanent magnet 19, a sliding sleeve 22, a sliding rod 23, a hinge shaft 20, a sleeve 21, a limiting rod 24, a fixing groove 25, a pressing plate 27, a return spring 29, a pull rod 28 and a handle 26, wherein the sliding rod 23 is fixedly connected to the top of the workbench 3, the sliding rod 23 is vertically arranged, the sliding sleeve 22 is in sliding fit with the sliding rod 23, the first permanent magnet 18 is fixedly connected to the bottom of one side of the sliding sleeve 22, the second permanent magnet 19 is arranged above the first permanent magnet 18, the first permanent magnet 18 and the second permanent magnet 19 are identical in size and shape, one side of the second permanent magnet 19 is fixedly connected with the sliding sleeve 22, the sleeve 21 is arranged between the first permanent magnet 18 and the second permanent magnet 19, the sleeve 21 is matched with a blade of a hinge, one side of the sleeve 21 is fixedly connected with the hinge shaft 20, one end, far, the top of slide bar 23 and gag lever post 24 fixed connection, fixed slot 25 fixed connection is on workstation 3, clamp plate 27 sets up in fixed slot 25, one side and the pull rod 28 fixed connection of clamp plate 27, the one end that pull rod 28 kept away from clamp plate 27 run through fixed slot 25 and with handle 26 fixed connection, the bilateral symmetry is provided with two reset spring 29 about pull rod 28, and reset spring 29's one end and clamp plate 27 fixed connection, reset spring 29's the other end and the inner wall fixed connection of fixed slot 25.
The number of the sliding rods 23 of each testing mechanism 4 is two, and the two sliding rods 23 are symmetrically arranged on two sides of the sleeve 21.
The length of sliding sleeve 22 is greater than one third of sliding rod 23.
The bottom of workstation 3 is provided with carousel 9, the distance between the upper surface of carousel 9 and the lower surface of workstation 3 is less than one centimetre, the center of carousel 9 passes through bearing and support column 13 is articulated, the diameter of carousel 9 is greater than the diameter of workstation 3, it has third permanent magnet 17 to inlay on carousel 9, the distance of the centre of a circle of third permanent magnet 17 to the carousel 9 is the same with the distance of the center of first permanent magnet 18 to the center of workstation 3, be provided with fourth permanent magnet 11 directly over third permanent magnet 17, the size shape of third permanent magnet 17 is the same with fourth permanent magnet 11, one side fixedly connected with L type pole 10 of fourth permanent magnet 11, the one end and the carousel 9 fixed connection of L type pole 10, the top magnetic pole of third permanent magnet 17 is the same with the bottom magnetic pole of first permanent magnet 18, the bottom magnetic pole of fourth permanent magnet 11 is different with the top magnetic pole of second permanent magnet 19.
When the hinge is used, firstly, one blade of the hinge is inserted into the sleeve 21, then the handle 26 on one side of the fixed groove 25 is pulled, the handle 26 drives the pressing plate 27 to move through the pull rod 28, at this time, the other blade of the hinge is placed into the fixed groove 25, then the handle 26 is released, the pressing plate 27 is reset under the action of the reset spring 29 to tightly press and fix one blade of the hinge, after hinges made of different materials are sequentially installed, the driving motor 14 is started, the driving wheel 15 is driven to rotate by the driving wheel 14, the driving wheel 15 drives the toothed ring 16 to rotate, the toothed ring 16 drives the turntable 9 to rotate, the turntable 9 drives the third permanent magnet 17 and the fourth permanent magnet 11 to do circular motion by taking the axis of the supporting column 13 as the center, when the third permanent magnet 17 passes below the first permanent magnet 18, because the top magnetic pole of the third permanent magnet 17 is the same as the bottom magnetic pole of the first permanent, the first permanent magnet 18 moves upwards under the action of repulsive force, at the moment, because the bottom magnetic pole of the fourth permanent magnet 11 is different from the top magnetic pole of the second permanent magnet 19, the second permanent magnet 19 can be attracted by the fourth permanent magnet 11, so that the second permanent magnet further rises until the second permanent magnet 19 touches the limiting rod 24, the first permanent magnet 18 and the second permanent magnet 19 drive the sleeve 21 to rise, when the sleeve 21 rises, one blade of the hinge is driven to rotate, along with the rotation of the turntable 9, the third permanent magnet 17 and the fourth permanent magnet 11 can leave the position of the testing mechanism 4, at the moment, the influence of the third permanent magnet 17 and the fourth permanent magnet 11 is lost, the first permanent magnet 18 and the second permanent magnet 19 of the testing mechanism 4 descend until the position is reset, so that one movement is completed, when the turntable 9 rotates for one circle, all the hinges complete one movement, so that a plurality of hinges are tested simultaneously, the efficiency is greatly improved.
The third permanent magnet 17 and the fourth permanent magnet 11 are provided in a circular shape, and the diameters of the third permanent magnet 17 and the fourth permanent magnet 11 are larger than twice the length of the first permanent magnet 18.
The bottom fixedly connected with ring gear 16 of carousel 9, the axis coincidence of the axis of ring gear 16 and support column 13, one side meshing of ring gear 16 has action wheel 15, and the bottom of action wheel 15 is connected with driving motor 14, and driving motor 14's bottom fixedly connected with mount pad 2, the bottom and the base 1 fixed connection of mount pad 2.
Top fixedly connected with laser instrument 5 of workstation 3, laser instrument 5 equals the distance that workstation 3 center was reachd at first permanent magnet 18 center to the distance at workstation 3 center, be provided with photoreceptor 8 directly over laser instrument 5, the top fixedly connected with horizontal pole 6 of photoreceptor 8, the bottom fixedly connected with montant 12 of horizontal pole 6, the bottom and the 3 fixed connection of workstation of montant 12, the distance of the lower surface of photoreceptor 8 to workstation 3 upper surface is greater than the distance of the 11 upper surfaces of fourth permanent magnet to workstation 3 upper surface, still fixedly connected with counter 7 on the workstation 3, photoreceptor 8 and 7 electric connection of counter.
Through laser instrument 5, photoreceptor 8 and counter 7's setting, when carousel 9 is rotatory, fourth permanent magnet 11 can pass through between photoreceptor 8 and the laser instrument 5, and at this moment photoreceptor 8 can not receive the light that laser instrument 5 sent to count for counter 7 with signal transmission, and the carousel 9 rotates a week just once the count, and carousel 9 rotates a week just all hinges all move once, consequently can be convenient count the number of times of moving of all hinges.
The working principle is as follows: when the hinge is used, firstly, one blade of the hinge is inserted into the sleeve 21, then the handle 26 on one side of the fixed groove 25 is pulled, the handle 26 drives the pressing plate 27 to move through the pull rod 28, at this time, the other blade of the hinge is placed into the fixed groove 25, then the handle 26 is released, the pressing plate 27 is reset under the action of the reset spring 29 to tightly press and fix one blade of the hinge, after hinges made of different materials are sequentially installed, the driving motor 14 is started, the driving wheel 15 is driven to rotate by the driving wheel 14, the driving wheel 15 drives the toothed ring 16 to rotate, the toothed ring 16 drives the turntable 9 to rotate, the turntable 9 drives the third permanent magnet 17 and the fourth permanent magnet 11 to do circular motion by taking the axis of the supporting column 13 as the center, when the third permanent magnet 17 passes below the first permanent magnet 18, because the top magnetic pole of the third permanent magnet 17 is the same as the bottom magnetic pole of the first permanent, the first permanent magnet 18 moves upwards under the action of repulsive force, at the moment, because the bottom magnetic pole of the fourth permanent magnet 11 is different from the top magnetic pole of the second permanent magnet 19, the second permanent magnet 19 can be attracted by the fourth permanent magnet 11, so that the second permanent magnet further rises until the second permanent magnet 19 touches the limiting rod 24, the first permanent magnet 18 and the second permanent magnet 19 drive the sleeve 21 to rise, when the sleeve 21 rises, one blade of the hinge is driven to rotate, along with the rotation of the turntable 9, the third permanent magnet 17 and the fourth permanent magnet 11 can leave the position of the testing mechanism 4, at the moment, the influence of the third permanent magnet 17 and the fourth permanent magnet 11 is lost, the first permanent magnet 18 and the second permanent magnet 19 of the testing mechanism 4 descend until the position is reset, so that one movement is completed, when the turntable 9 rotates for one circle, all the hinges complete one movement, so that a plurality of hinges are tested simultaneously, the efficiency is greatly improved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a mirror holder hinge fatigue test device, includes base (1), its characterized in that: the top fixedly connected with support column (13) of base (1), the top fixedly connected with workstation (3) of support column (13), the top fixedly connected with accredited testing organization (4) of workstation (3), accredited testing organization (4) set up to a plurality of, and a plurality of accredited testing organization (4) use the center of workstation (3) to set up as central angle such as.
2. A frame hinge fatigue testing device according to claim 1, wherein: the number of the testing mechanisms (4) is set to be five.
3. A fatigue testing device for a hinge of a spectacle frame according to claim 2, wherein: the testing mechanism (4) comprises a first permanent magnet (18), a second permanent magnet (19), a sliding sleeve (22), a sliding rod (23), a hinge shaft (20), a sleeve (21), a limiting rod (24), a fixing groove (25), a pressing plate (27), a reset spring (29), a pull rod (28) and a handle (26), wherein the sliding rod (23) is fixedly connected to the top of the workbench (3), the sliding rod (23) is vertically arranged, the sliding sleeve (22) is in sliding fit with the sliding rod (23), the first permanent magnet (18) is fixedly connected to the bottom of one side of the sliding sleeve (22), the second permanent magnet (19) is arranged above the first permanent magnet (18), the first permanent magnet (18) and the second permanent magnet (19) are identical in size and shape, one side of the second permanent magnet (19) is fixedly connected with the sliding sleeve (22), the sleeve (21) is arranged between the first permanent magnet (18) and the second permanent magnet (19), and the sleeve (21) is matched with the blade of the hinge, one side of the sleeve (21) is fixedly connected with the hinge shaft (20), one end of the articulated shaft (20) far away from one side of the sleeve (21) is articulated with the sliding sleeve (22), the top of the sliding rod (23) is fixedly connected with a limiting rod (24), the fixing groove (25) is fixedly connected on the workbench (3), the pressing plate (27) is arranged in the fixing groove (25), one side of the pressing plate (27) is fixedly connected with the pull rod (28), one end of the pull rod (28) far away from the pressure plate (27) penetrates through the fixing groove (25) and is fixedly connected with the handle (26), two return springs (29) are symmetrically arranged at the upper side and the lower side of the pull rod (28), and one end of a return spring (29) is fixedly connected with the pressing plate (27), and the other end of the return spring (29) is fixedly connected with the inner wall of the fixing groove (25).
4. A frame hinge fatigue testing device according to claim 3, wherein: the number of the sliding rods (23) of each testing mechanism (4) is two, and the two sliding rods (23) are symmetrically arranged on two sides of the sleeve (21).
5. The fatigue testing device for the hinge of the spectacle frame according to claim 4, wherein: the length of the sliding sleeve (22) is more than one third of that of the sliding rod (23).
6. The fatigue testing device for the hinge of the spectacle frame according to claim 4, wherein: the bottom of workstation (3) is provided with carousel (9), the distance between the upper surface of carousel (9) and the lower surface of workstation (3) is less than one centimetre, it is articulated with support column (13) through the bearing in the center of carousel (9), the diameter of carousel (9) is greater than the diameter of workstation (3), it has third permanent magnet (17) to inlay on carousel (9), the distance of the centre of a circle of carousel (9) is arrived at the center of third permanent magnet (17) and the distance of the center of workstation (3) is the same with the center of first permanent magnet (18), be provided with fourth permanent magnet (11) directly over third permanent magnet (17), the size shape of third permanent magnet (17) and fourth permanent magnet (11) is the same, one side fixedly connected with L type pole (10) of fourth permanent magnet (11), the one end and carousel (9) fixed connection of L type pole (10), the top magnetic pole of the third permanent magnet (17) is the same as the bottom magnetic pole of the first permanent magnet (18), and the bottom magnetic pole of the fourth permanent magnet (11) is different from the top magnetic pole of the second permanent magnet (19).
7. A frame hinge fatigue testing device according to claim 6, wherein: the third permanent magnet (17) and the fourth permanent magnet (11) are circular in shape, and the diameter of the third permanent magnet (17) and the diameter of the fourth permanent magnet (11) are larger than twice the length of the first permanent magnet (18).
8. A frame hinge fatigue testing device according to claim 7, wherein: the bottom fixedly connected with ring gear (16) of carousel (9), the axis coincidence of the axis of ring gear (16) and support column (13), one side meshing of ring gear (16) has action wheel (15), the bottom of action wheel (15) is connected with driving motor (14), the bottom fixedly connected with mount pad (2) of driving motor (14), the bottom and base (1) fixed connection of mount pad (2).
9. A frame hinge fatigue testing device according to claim 8, wherein: the top fixedly connected with laser instrument (5) of workstation (3), laser instrument (5) are equal to the distance at workstation (3) center to workstation (3) center, be provided with photoreceptor (8) directly over laser instrument (5), top fixedly connected with horizontal pole (6) of photoreceptor (8), the bottom fixedly connected with montant (12) of horizontal pole (6), the bottom and workstation (3) fixed connection of montant (12), the lower surface of photoreceptor (8) is greater than the distance of fourth permanent magnet (11) upper surface to workstation (3) upper surface to the distance of workstation (3) upper surface, go back fixedly connected with counter (7) on workstation (3), photoreceptor (8) and counter (7) electric connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110068628.5A CN112903264B (en) | 2021-01-19 | 2021-01-19 | Fatigue testing device for hinge of spectacle frame |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110068628.5A CN112903264B (en) | 2021-01-19 | 2021-01-19 | Fatigue testing device for hinge of spectacle frame |
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| CN112903264A true CN112903264A (en) | 2021-06-04 |
| CN112903264B CN112903264B (en) | 2022-08-30 |
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| CN202110068628.5A Active CN112903264B (en) | 2021-01-19 | 2021-01-19 | Fatigue testing device for hinge of spectacle frame |
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2021
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| CN201697846U (en) * | 2010-06-22 | 2011-01-05 | 温州三杉光学有限公司 | Hinge fatigue tester |
| US20120186359A1 (en) * | 2011-01-24 | 2012-07-26 | Hon Hai Precision Industry Co., Ltd. | Hinge durability testing device |
| CN107389326A (en) * | 2017-07-11 | 2017-11-24 | 佛山市正略信息科技有限公司 | A kind of hinge fatigue test device |
| CN209400568U (en) * | 2018-11-08 | 2019-09-17 | 天津市联创混凝土有限公司 | A kind of continuous test rack for crystal bar performance |
| CN110095270A (en) * | 2019-04-15 | 2019-08-06 | 上海卫星工程研究所 | Fatigue life testing apparatus applied to flexible hinge |
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| CN112903264B (en) | 2022-08-30 |
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