CN113390730B - Automatic circulation bending experimental device for testing electrical panel - Google Patents
Automatic circulation bending experimental device for testing electrical panel Download PDFInfo
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- CN113390730B CN113390730B CN202110744613.6A CN202110744613A CN113390730B CN 113390730 B CN113390730 B CN 113390730B CN 202110744613 A CN202110744613 A CN 202110744613A CN 113390730 B CN113390730 B CN 113390730B
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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
- G01N3/20—Investigating strength properties of solid materials by application of mechanical stress by applying steady bending 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
- G01N3/02—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
- G01N3/32—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
- 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
- G01N3/40—Investigating hardness or rebound hardness
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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
- G01N2203/0001—Type of application of the stress
- G01N2203/0005—Repeated or cyclic
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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
- G01N2203/0014—Type of force applied
- G01N2203/0023—Bending
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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
- G01N2203/003—Generation of the force
- G01N2203/005—Electromagnetic means
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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
- G01N2203/0076—Hardness, compressibility or resistance to crushing
- G01N2203/0083—Rebound strike or reflected energy
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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
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/026—Specifications of the specimen
- G01N2203/0262—Shape of the specimen
- G01N2203/0278—Thin specimens
- G01N2203/0282—Two dimensional, e.g. tapes, webs, sheets, strips, disks or membranes
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Abstract
The invention relates to the technical field of material testing, in particular to an automatic circulating bending experimental device for electrical panel testing, which comprises an experimental device table, a first motor, a second motor, a third motor, a fourth motor and a control panel, wherein a control box is arranged on one side of the experimental device table, connecting rods are fixedly connected to two sides of the control box, one end of each connecting rod is fixedly connected with one side of the experimental device table, the first motor is arranged on one side of the control box, one end of an output shaft of the first motor is fixedly connected with a first rotating rod, and a second rotating rod is arranged inside the control box. The device can conveniently carry out a circular bending experiment on the plates, is convenient for a user to observe the resilience performance of the plates in a continuous stress state, is convenient for the user to fix the tested plates, can circularly test the bending performance of a plurality of groups of plates, ensures the good testing efficiency of the device, and is convenient for the user to compare the bending performance of different plates.
Description
Technical Field
The invention relates to the technical field of material testing, in particular to an automatic circulating bending experimental device for testing an electric appliance plate.
Background
When electrical equipment is manufactured, the electrical equipment needs to be applied to various types of plates, along with the gradual expansion of consumption demands, the application of plastic plates in the field of household appliances is wider and wider, and the application of a plurality of engineering plastics such AS ABS, AS, PC, POM, MPPO, PET, enhanced PBT, PSF and the like is common, so that the electrical equipment can be applied to televisions, recorders, video recorders, radios, computers, typewriter shells, video tapes, video tape shells and mandrels, refrigerators, washing machines, copier panels, copiers, typewriter paper feeding boxes, washing machine liners, refrigerator vegetable boxes and the like, and in the manufacturing process, various performances of the plates need to be tested, wherein the testing includes bending resistance testing;
most of the existing bending experimental devices have single structures, can not continuously and circularly test the bending of the plates, are difficult to observe the resilience of the plates in a continuous stress state, and can not circularly test the bending performance of a plurality of groups of plates;
therefore, a device capable of continuously performing automatic cycle bending test is needed, so that a user can conveniently observe the resilience performance of the plate in a continuous stress state, and the bending performance of multiple groups of plates can be tested in a cycle manner.
Disclosure of Invention
The invention aims to provide an automatic circulating bending experimental device for testing electrical panels, which aims to solve the problems that most of the existing bending experimental devices in the background art are single in structure, can not carry out bending test on the panels in a continuous circulating manner, is difficult to observe the resilience performance of the panels in a continuous stressed state, and can not carry out circulating test on the bending performance of a plurality of groups of panels.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an automatic circulation experimental apparatus that buckles for electrical panel test, includes experimental apparatus platform, first motor, second motor, third motor, fourth motor and control panel, one side of experimental apparatus platform is provided with the control box, and the both sides of control box all fixedly connected with connecting rod, the one end of connecting rod all with one side fixed connection of experimental apparatus platform, first motor is installed to one side of control box, the one end fixedly connected with first bull stick of first motor output shaft, and the one end of first bull stick extends to the inside of control box, one side of first bull stick is connected through embedded bearing with the inner wall of control box one side, the inside of control box is provided with the second bull stick, and the one end fixedly connected with third bull stick of second bull stick, the one end of third bull stick is inserted and is established one side of first bull stick, the one end of second bull stick articulates there is first lead screw, the surface cover of first lead screw is equipped with first nut, and the inner wall of first nut surface is connected through embedded bearing with the inner wall of control box one side, the one end of first bull stick passes the control box extend to the control box one side of experimental apparatus platform, the top of control box is provided with the briquetting, the splint is provided with the rotary table, the control panel.
Preferably, the bottom of carousel is connected through embedded bearing with the top of experimental device platform, the surface of carousel has cup jointed the second gear, and one side of second gear is provided with first gear, the third motor is installed to one side of experimental device platform, and the center pin fixed connection of experimental device platform and first gear is passed to the one end of third motor output shaft, first gear meshes with the second gear mutually.
Preferably, the standing groove has evenly been seted up on the top of carousel, the shifting chute has all been seted up to the bottom of standing groove inner wall, the rotating slot has been seted up to the bottom of splint, the shifting chute all is linked together with the rotating slot, the fixed box of top fixedly connected with of experimental apparatus platform, the inside of fixed box is provided with the second lead screw, and the both ends of second lead screw all are connected through embedded bearing with the inner wall of fixed box both sides, the one end of second lead screw is passed fixed box and is extended to the outside of fixed box, the fourth motor is installed to one side of fixed box, and the one end of fourth motor output shaft and one side fixed connection of second lead screw, one side cover on second lead screw surface is equipped with the second screw, and the one end fixedly connected with push rod of second screw, the one end of push rod extends to the inside of rotating slot.
Preferably, the working bin has been seted up to the inside of carousel, and the internally mounted of working bin has the second motor, the one end fixedly connected with screw rod of second motor output shaft, and the one end of screw rod pass the outside that the working bin extended to the carousel, one side of screw rod is connected through embedded bearing with the inner wall of working bin, the thread groove has been seted up to the centre department of splint, the one end of screw rod is passed the thread groove and is extended to the outside of thread groove.
Preferably, two sets of spacing grooves have been seted up on the surface of splint, two sets of gag lever posts of top fixedly connected with of carousel, the one end of gag lever post all passes the outside that the spacing groove extends to the spacing groove.
Preferably, the clamping grooves are uniformly formed in the bottom end of the clamping plate, and the quantity of the clamping grooves is equal to that of the placing grooves.
Preferably, the bottom end of the second screw is fixedly connected with a sliding block, a sliding groove is formed in the inner wall of one side of the second screw, and one end of the sliding block extends to the inside of the sliding groove.
Compared with the prior art, the invention has the beneficial effects that: the device can conveniently carry out a circular bending experiment on the plates, is convenient for a user to observe the resilience performance of the plates in a continuous stress state, is convenient for the user to fix the tested plates, can circularly test the bending performance of a plurality of groups of plates, ensures the good test efficiency of the device, is convenient for the user to compare the bending performance of different plates, and can conveniently take the plates after the experiment is finished;
1. by arranging the experiment device table, the control box, the first motor and the pressing block, a user places a plate to be tested on the rotary table, the plate is clamped through the clamping plate, after the user starts the first motor, the first rotating rod drives the second rotating rod to continuously rotate in a reciprocating mode, the first lead screw drives the pressing block to repeatedly and circularly abut against the plate, so that the device can conveniently perform a circular bending experiment on the plate, the user can conveniently observe the resilience performance of the plate in a continuous stress state, the user drives the screw to rotate by starting the second motor, the screw drives the clamping plate to move, the clamping plate can be clamped, the user can conveniently fix the tested plate, the use is convenient, and the operation is simple;
2. by arranging the third motor, the first gear and the second gear, a user can drive the second gear to rotate by starting the third motor through placing the plates in the placing groove, the second gear drives the turntable to rotate, and the plates in the placing groove are continuously bent by the pressing block, so that the device can circularly test the bending performance of a plurality of groups of plates, the good test efficiency of the device is ensured, the user can compare the bending performances of different plates conveniently, and the user can adjust the selection of materials conveniently;
3. through being provided with fixed box, the second lead screw, second screw and fourth motor, the user is through starting the fourth motor, the second lead screw rotates, under the effect of screw thread, make the second screw drive the push rod and remove, the push rod removes in the shifting chute, and release the standing groove with the panel of placing in the standing groove, thereby make the panel that the user can be convenient finishes the experiment take, the user needn't manually take off panel, prevent because panel excessively buckles, and influence the user and to the collection of panel, reduce the degree of difficulty of taking.
Drawings
FIG. 1 is a schematic sectional elevation view of the structure of the present invention;
FIG. 2 is an enlarged view of a portion of the structure shown at A in FIG. 1 according to the present invention;
FIG. 3 is an enlarged view of a portion of the structure shown at B in FIG. 1 according to the present invention;
FIG. 4 is an enlarged view of a portion of the structure of FIG. 1 at C;
FIG. 5 is a schematic sectional view of the structure of the clamping plate, the placing groove, the rotating groove and the pushing rod of the present invention from the bottom;
FIG. 6 is a schematic side view of the structure of the present invention.
In the figure: 1. a test rig stage; 2. a control box; 3. a connecting rod; 4. a first motor; 5. a first rotating lever; 6. a second rotating lever; 7. a first lead screw; 8. briquetting; 9. a third rotating rod; 10. a first nut; 11. a turntable; 12. a splint; 13. a working bin; 14. a second motor; 15. a screw; 16. a spiral groove; 17. a limiting groove; 18. a limiting rod; 19. a card slot; 20. a third motor; 21. a first gear; 22. a second gear; 23. a placement groove; 24. rotating the groove; 25. a moving groove; 26. a fixing box; 27. a fourth motor; 28. a second lead screw; 29. a second screw nut; 30. a push rod; 31. a chute; 32. a slider; 33. a control panel.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Referring to fig. 1-6, an embodiment of the present invention is shown:
an automatic circulating bending experiment device for testing electrical panels comprises an experiment device table 1, a first motor 4, a second motor 14, a third motor 20, a fourth motor 27 and a control panel 33, wherein a control box 2 is arranged on one side of the experiment device table 1, connecting rods 3 are fixedly connected to two sides of the control box 2, one ends of the connecting rods 3 are fixedly connected with one side of the experiment device table 1, the first motor 4 is installed on one side of the control box 2, one end of an output shaft of the first motor 4 is fixedly connected with a first rotating rod 5, one end of the first rotating rod 5 extends into the control box 2, one side of the first rotating rod 5 is connected with the inner wall of one side of the control box 2 through an embedded bearing, a second rotating rod 6 is arranged inside the control box 2, one end of the second rotating rod 6 is fixedly connected with a third rotating rod 9, one end of the third rotating rod 9 is inserted into one side of the first rotating rod 5, one end of the second rotating rod 6 is hinged with a first screw rod 7, a first screw rod 10 is sleeved on the surface of the first screw rod 7, one side of the surface of the first screw rod 10 is connected with one side of the control box 2, a press block 11 is arranged on one side of the control box 2, one side of the experiment device table 1, and a press block 11 is arranged on the control plate 11, and connected with a top end of the control plate 11, and connected with a control plate 11 of the control box 2, and a press block 11, and a press plate 11 is arranged on the control plate 11;
in order to enable the device to test the bending performance of multiple groups of plates in a circulating manner, ensure good test efficiency of the device and facilitate comparison of different bending performances of the plates by a user, in the embodiment, preferably, the bottom end of the rotary table 11 is connected with the top end of the experimental device table 1 through an embedded bearing, a second gear 22 is sleeved on the surface of the rotary table 11, a first gear 21 is arranged on one side of the second gear 22, a third motor 20 is installed on one side of the experimental device table 1, one end of an output shaft of the third motor 20 penetrates through the experimental device table 1 and is fixedly connected with a central shaft of the first gear 21, and the first gear 21 is meshed with the second gear 22;
in order to enable a user to conveniently take a plate after an experiment is finished, in this embodiment, preferably, the top end of the rotary table 11 is uniformly provided with a placing groove 23, the bottom ends of the inner walls of the placing groove 23 are both provided with a moving groove 25, the bottom end of the clamping plate 12 is provided with a rotating groove 24, the moving grooves 25 are both communicated with the rotating groove 24, the top end of the experiment device table 1 is fixedly connected with a fixed box 26, a second lead screw 28 is arranged inside the fixed box 26, both ends of the second lead screw 28 are both connected with the inner walls of both sides of the fixed box 26 through embedded bearings, one end of the second lead screw 28 penetrates through the fixed box 26 and extends to the outside of the fixed box 26, one side of the fixed box 26 is provided with a fourth motor 27, one end of an output shaft of the fourth motor 27 is fixedly connected with one side of the second lead screw 28, one side of the surface of the second lead screw 28 is sleeved with a second nut 29, one end of the second nut 29 is fixedly connected with a push rod 30, and one end of the push rod 30 extends to the inside of the rotating groove 24;
in order to enable the clamping plate 12 to clamp the plate and facilitate the fixing of the test plate by a user, in this embodiment, preferably, a working bin 13 is disposed inside the rotary table 11, a second motor 14 is mounted inside the working bin 13, one end of an output shaft of the second motor 14 is fixedly connected with a screw rod 15, one end of the screw rod 15 penetrates through the working bin 13 and extends to the outside of the rotary table 11, one side of the screw rod 15 is connected with the inner wall of the working bin 13 through an embedded bearing, a thread groove 16 is disposed in the middle of the clamping plate 12, and one end of the screw rod 15 penetrates through the thread groove 16 and extends to the outside of the thread groove 16;
in order to improve the stability of the clamping plate 12 in the moving process and prevent the clamping plate from deviating, in the embodiment, preferably, two sets of limiting grooves 17 are formed in the surface of the clamping plate 12, two sets of limiting rods 18 are fixedly connected to the top end of the rotating disc 11, and one ends of the limiting rods 18 all penetrate through the limiting grooves 17 and extend to the outside of the limiting grooves 17;
in order to promote the fixed effect to panel, prevent splint 12 slippage phenomenon when centre gripping panel, in this embodiment, preferred, draw-in groove 19 has evenly been seted up to the bottom of splint 12, and the quantity of draw-in groove 19 equals with the quantity of standing groove 23.
In order to improve the stability of the second nut 29 in the moving process and limit the moving track of the second nut 29, in this embodiment, preferably, a sliding block 32 is fixedly connected to the bottom end of the second nut 29, a sliding groove 31 is formed in an inner wall of one side of the second nut 29, and one end of the sliding block 32 extends into the sliding groove 31.
The working principle is as follows: when a user needs to test the bending performance of a plate, the user can place plates made of different materials into the placing groove 23 to enable one end of each plate to extend out of the placing groove 23, then the user can start the second motor 14 to enable an output shaft of the second motor 14 to drive the screw rod 15 to rotate, under the action of the threads, the limiting rod 18 and the limiting groove 17 limit the moving track of the clamping plate 12, the clamping plate 12 moves on the screw rod 15, the plate is inserted into the clamping groove 19, the clamping plate 12 clamps the plate placed in the placing groove 23, after the plate is fixed, the user can start the first motor 4 to enable the output shaft of the first motor 4 to drive the first rotating rod 5 to rotate, the first rotating rod 5 rotates on the third rotating rod 9 and drives the second rotating rod 6 to rotate in a reciprocating mode, the second rotating rod 6 circularly pushes and pulls the first rotating rod 7 under the action of the first threads, the first rotating rod 7 drives the first rotating rod 7 to drive the first screw rod 7 to rotate, the first screw rod 7 drives the first screw rod 10 to rotate, and the first screw rod 7 drives the first screw rod to rotate in a reciprocating mode;
the user starts the third motor 20, so that the output shaft of the third motor 20 drives the first gear 21 to rotate, the first gear 21 drives the second gear 22 to rotate, the second gear 22 drives the rotary disc 11 to rotate along with the rotary disc, plates in the placing grooves 23 in different directions are adjusted to rotate under the pressing block 8 to be bent, when the clamping plate 12 rotates, the push rod 30 rotates in the rotary groove 24, after the experiment is finished, the user starts the second motor 14 again, so that the screw rod 15 rotates reversely, the clamping plate 12 ascends, then the user can start the fourth motor 27, so that the output shaft of the fourth motor 27 drives the second screw rod 28 to rotate, under the action of the threads, the slide block 32 and the sliding groove 31 define the moving track of the second screw rod 28, so that the second screw rod 29 moves in the second screw rod 28, the push rod 30 is driven to move in the moving groove 25, the plates in the placing grooves 23 are pushed down from the placing grooves 23, the user can arrange containers in advance to be taken, after the plates are pushed out of the placing grooves 23, the fourth motor 27 is controlled through the control panel 33 to reversely rotate, so that the second screw rod 29 drives the push rod 30 to drive the push rod 30 to push the plates in the placing grooves 23, the rotary disc 23 to push the plates out of the third motor 20, and then the motor 23 can be pushed out, and the rotary disc 23 can be pushed out of the placing grooves 23.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (4)
1. The utility model provides an automatic cycle experimental apparatus of buckling for electrical panel test, includes experimental apparatus platform, first motor, second motor, third motor, fourth motor and control panel, its characterized in that: a control box is arranged on one side of the experiment device platform, connecting rods are fixedly connected to two sides of the control box, one end of each connecting rod is fixedly connected with one side of the experiment device platform, a first motor is installed on one side of the control box, a first rotating rod is fixedly connected to one end of an output shaft of the first motor, one end of the first rotating rod extends into the control box, one side of the first rotating rod is connected with the inner wall of one side of the control box through an embedded bearing, a second rotating rod is arranged inside the control box, a third rotating rod is fixedly connected to one end of the second rotating rod, one end of the third rotating rod is inserted into one side of the first rotating rod, a first screw rod is hinged to one end of the second rotating rod, a first screw is sleeved on the surface of the first screw rod, one side of the surface of the first screw rod is connected with the inner wall of one side of the control box through an embedded bearing, one end of the first screw rod extends to the outside of the control box through the control box, a pressing block is fixedly connected to one end of the first screw rod, a rotary table is provided with a rotary table, a rotary table is arranged at the top end of the experiment device platform, and a clamping plate is installed on one side of the experiment device platform;
the bottom end of the rotary table is connected with the top end of the experiment device table through an embedded bearing, a second gear is sleeved on the surface of the rotary table, a first gear is arranged on one side of the second gear, a third motor is arranged on one side of the experiment device table, one end of an output shaft of the third motor penetrates through the experiment device table and is fixedly connected with a central shaft of the first gear, and the first gear is meshed with the second gear;
the top end of the turntable is uniformly provided with a placing groove, the bottom ends of the inner walls of the placing groove are all provided with moving grooves, the bottom ends of the clamping plates are provided with rotating grooves, the moving grooves are communicated with the rotating grooves, the top end of the experiment device platform is fixedly connected with a fixing box, a second lead screw is arranged in the fixing box, two ends of the second lead screw are connected with the inner walls of two sides of the fixing box through embedded bearings, one end of the second lead screw penetrates through the fixing box and extends to the outside of the fixing box, a fourth motor is installed on one side of the fixing box, one end of an output shaft of the fourth motor is fixedly connected with one side of the second lead screw, a second nut is sleeved on one side of the surface of the second lead screw, a push rod is fixedly connected with one end of the second nut, and one end of the push rod extends to the inside of the rotating grooves;
the working bin has been seted up to the inside of carousel, and the internally mounted of working bin has the second motor, the one end fixedly connected with screw rod of second motor output shaft, and the one end of screw rod pass the outside that the working bin extended to the carousel, one side of screw rod is connected through embedded bearing with the inner wall of working bin, the thread groove has been seted up to the centre department of splint, the one end of screw rod is passed the thread groove and is extended to the outside of thread groove.
2. The automatic circulating bending experimental device for the electrical sheet testing according to claim 1, wherein: two sets of spacing grooves have been seted up on the surface of splint, two sets of gag lever posts of top fixedly connected with of carousel, the one end of gag lever post all passes the outside that the spacing groove extends to the spacing groove.
3. The automatic cycle bending experimental device for the electrical panel test according to claim 1, characterized in that: the bottom of splint has evenly seted up the draw-in groove, and the quantity of draw-in groove equals with the quantity of standing groove.
4. The automatic circulating bending experimental device for the electrical sheet testing according to claim 1, wherein: the bottom fixedly connected with slider of second screw, the spout has been seted up to the inner wall of one side of second screw, the one end of slider extends to the inside of spout.
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| CN202110744613.6A CN113390730B (en) | 2021-06-30 | 2021-06-30 | Automatic circulation bending experimental device for testing electrical panel |
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| CN202110744613.6A CN113390730B (en) | 2021-06-30 | 2021-06-30 | Automatic circulation bending experimental device for testing electrical panel |
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| CN113390730B true CN113390730B (en) | 2022-10-11 |
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| GB1146265A (en) * | 1966-07-08 | 1969-03-26 | Ct Tech Ind Dit I Textile De F | Improvements in or relating to apparatus for testing textile fabrics by abrasion |
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| WO2019173995A1 (en) * | 2018-03-15 | 2019-09-19 | 大连理工大学 | Tester for release of multiple bolts caused by applying tensile, bending, and torsional combined loads to flange |
| CN109030254A (en) * | 2018-08-29 | 2018-12-18 | 深圳市优瑞特检测技术有限公司 | A kind of component down-lead automatic cycle Flexing Apparatus |
| CN111872168A (en) * | 2020-08-07 | 2020-11-03 | 南京市园林规划设计院有限责任公司 | Metal pond production panel equipment of bending |
| CN112858056A (en) * | 2021-01-04 | 2021-05-28 | 张伟南 | High-definition full-screen tempered film bending performance testing method |
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