CN114778325A - Device and method for testing metal fatigue of mechanical equipment - Google Patents
Device and method for testing metal fatigue of mechanical equipment Download PDFInfo
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- CN114778325A CN114778325A CN202210484891.7A CN202210484891A CN114778325A CN 114778325 A CN114778325 A CN 114778325A CN 202210484891 A CN202210484891 A CN 202210484891A CN 114778325 A CN114778325 A CN 114778325A
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- 239000002184 metal Substances 0.000 title claims abstract description 119
- 238000012360 testing method Methods 0.000 title claims abstract description 114
- 238000000034 method Methods 0.000 title claims abstract description 25
- 230000000712 assembly Effects 0.000 claims abstract description 18
- 238000000429 assembly Methods 0.000 claims abstract description 18
- 238000009661 fatigue test Methods 0.000 claims abstract description 16
- 230000001681 protective effect Effects 0.000 claims description 20
- 238000005096 rolling process Methods 0.000 claims description 16
- 238000004140 cleaning Methods 0.000 claims description 14
- 238000001125 extrusion Methods 0.000 claims description 10
- 238000003825 pressing Methods 0.000 claims description 3
- 238000004553 extrusion of metal Methods 0.000 claims description 2
- 238000005452 bending Methods 0.000 abstract description 9
- 239000000463 material Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000011076 safety test Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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- 238000007789 sealing Methods 0.000 description 1
- 239000005341 toughened glass Substances 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/20—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
- G01N3/04—Chucks
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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
- 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
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/04—Chucks, fixtures, jaws, holders or anvils
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Abstract
The invention provides a device and a method for testing metal fatigue of mechanical equipment. The device for testing the metal fatigue for the mechanical equipment comprises: a body; the testing structure is arranged in the machine body and comprises clamping components which are used for clamping and fixing two sides of the metal to be tested respectively. The invention provides a device and a method for testing metal fatigue for mechanical equipment, wherein a testing structure is arranged, and repeated bending is carried out for multiple times, so that the fatigue test of a metal plate is more accurate, the traditional one-time testing mode is changed, the loss of metal workpieces is reduced, the testing cost is further greatly reduced, the metal plate is clamped and fixed respectively by arranging two clamping assemblies, the device can be simultaneously suitable for metal plates with different thicknesses, the metal plate is kept in a stable state during testing, and the horizontal position adjustment of a left clamping assembly can be realized by connecting the left clamping assembly with a rotating part through threads.
Description
Technical Field
The invention relates to the field of metal fatigue testing, in particular to a device and a method for metal fatigue testing for mechanical equipment.
Background
The metal fatigue refers to a process that a material or a component gradually generates local permanent accumulated damage at one or more positions under the action of cyclic stress or cyclic strain, and cracks or complete fracture suddenly occurs after a certain number of cycles. When a material or structure is subjected to repeated load, the stress value does not exceed the strength limit of the material, and even the stress value is lower than the elastic limit, so that the material or structure can be damaged.
In the production and manufacturing process of mechanical equipment, in order to ensure the use safety of the mechanical equipment, a plurality of safety test tests need to be carried out on a metal workpiece consisting of the mechanical equipment, a metal fatigue test belongs to one of the safety test and is often completed by using a fatigue test device when the fatigue test is carried out.
In the related art, for a bending type metal fatigue testing device, a metal workpiece is generally bent by extruding the metal workpiece, and the fatigue of the metal workpiece is finally obtained by collecting related data in the bending process, but most of bending mechanisms in the traditional testing device are realized through a hydraulic mechanism, and the pressure is continuously increased through an extruding mechanism during testing, so that the metal workpiece is bent gradually and finally broken, and one metal workpiece can be tested only once, so that the accuracy of a single test is not high enough, more metal workpieces are consumed during testing, the testing cost is greatly increased, and meanwhile, the testing speed is slow, and the testing device is difficult to well adapt to large-batch metal workpiece testing tasks.
Therefore, it is necessary to provide a device and a method for testing metal fatigue for mechanical equipment to solve the above problems.
Disclosure of Invention
The invention provides a device and a method for testing metal fatigue for mechanical equipment, and solves the problems that the accuracy of a single test is not high enough and more metal workpieces are consumed when the test is needed.
In order to solve the above technical problems, the present invention provides a device and a method for testing metal fatigue for mechanical equipment, comprising:
a body;
the testing structure is arranged in the machine body and comprises clamping components and a driving component, wherein the clamping components are respectively used for clamping and fixing two sides of a metal to be tested, and the driving component is used for driving one of the clamping components to reciprocate in the horizontal direction;
the testing device comprises a testing groove, two clamping assemblies and a clamping assembly, wherein the testing groove is arranged on the front side of the machine body, the two clamping assemblies are respectively positioned on two sides of the interior of the testing groove, each clamping assembly comprises a clamping seat, an adjusting rotating piece is connected to the clamping seat in a threaded mode, the bottom end of the adjusting rotating piece is rotatably connected with a clamping block, one side of each clamping block is connected with the inner side of the corresponding clamping seat in a sliding mode, and one side of one clamping seat is connected with a rotating piece in a threaded mode;
the protective door rotates on the front side of the machine body.
Preferably, the driving assembly comprises a driving motor, the driving motor is arranged at the rear side of the machine body, and a rotating disc is fixedly mounted at the output end of the driving motor.
Preferably, one side of the rotating disc is rotatably connected with a rotating rod, and one end of the rotating rod is rotatably connected with one side of one of the clamping seats.
Preferably, the two clamping assemblies are respectively positioned on the left side and the right side of the interior of the test slot, the driving assembly is used for driving the clamping assembly on the right side, and the rotating piece is in threaded connection with the interior of the clamping seat on the left side.
Preferably, the rotating part rotates on the left side inside the machine body, one side of the inner surface of the test slot is communicated with a sliding groove, and the inner side of the clamping seat on the right side is in sliding connection with the inside of the sliding groove.
Preferably, a protective structure is arranged on the front side of the machine body and comprises a movable door and two pulleys, the movable door is located on the front side of the test slot, and the two pulleys are fixedly mounted on the front side of the machine body.
Preferably, two moving grooves are formed in the inner side of the movable door, the two moving grooves are in one-to-one correspondence with the two pulleys, and the outer portions of the pulleys are in rolling connection with the inner portions of the moving grooves.
Preferably, the inside of dodge gate just is located the inside fixed mounting of test groove has the brush cleaner, the bottom of brush cleaner with the bottom contact of test groove internal surface, works as when the dodge gate is in the closed state, the brush cleaner is located the inside right side of test groove, the one end of location commentaries on classics with the screw hole internal thread of organism front side is connected, the movable groove has been seted up in the left side of organism, the inside swing joint of movable groove has the collection box, the top of movable groove internal surface with the left side intercommunication of test groove internal surface bottom.
Preferably, install the connecting piece on the dwang, a plurality of connecting holes have all been seted up to the both sides of dwang, just the connecting piece outside with one of them the inside swing joint of connecting hole, a plurality of thread grooves have all been seted up to the both sides of rolling disc, just the thread groove with the connecting hole is kept the front and back and is aimed at the setting, the one end of connecting piece with the inside threaded connection of thread groove.
The use method of the device for the metal fatigue test for the mechanical equipment comprises the following operation steps:
s1, when a metal plate of mechanical equipment is tested, the right clamping seat is located at the rightmost end of the sliding groove, the distance between the two clamping assemblies is adjusted according to the length of the metal plate, and when the distance is adjusted, the left clamping seat can move in the horizontal direction in the test groove by rotating the outer part of the rotating part until the distance between the two clamping assemblies moves to the length matched with the metal plate, and the rotating part stops rotating;
s2, starting to clamp and fix the metal plate, respectively placing the two sides of the left side of the metal plate on the inner sides of the two clamping seats, then rotating the adjusting rotating piece to drive the clamping blocks to move downwards, and finally enabling the bottoms of the clamping blocks to be attached to the top of the metal plate, so that the clamping blocks are effectively fixed with the outer part of the metal plate, and after the fixing is finished, closing the protective door to start testing;
s3, through starting driving motor, make the rolling disc can drive the dwang and rotate, and rotate through the dwang, finally make to press from both sides tight seat and can be at horizontal direction reciprocating motion, when pressing from both sides tight seat and removing to the left side, can extrude the metal sheet crooked, press from both sides tight seat and remove to the right side, make the metal sheet reset, continuous rotation through driving motor, the realization is crooked to the extrusion of metal sheet' S repetition, and at the extrusion in-process, modules such as sensor on the organism, can record the extrusion number of times simultaneously, data such as the deformation degree of metal sheet.
Compared with the related art, the device and the method for testing the metal fatigue for the mechanical equipment have the following beneficial effects:
the invention provides a device and a method for testing metal fatigue for mechanical equipment, wherein a testing structure is arranged, and repeated bending is performed for many times, so that the fatigue test of a metal plate is more accurate, the traditional one-time testing mode is changed, the loss of metal workpieces is reduced, the testing cost is further greatly reduced, two clamping assemblies are arranged to respectively clamp and fix the metal plate, the device can be simultaneously suitable for metal plates with different thicknesses, the metal plate is kept in a stable state during testing, the horizontal position of a left clamping assembly can be adjusted by connecting the left clamping assembly with a rotating member through threads, the distance between the two clamping assemblies can be adjusted according to the actual length of the metal plate, the left side and the right side of the metal plate are ensured to be fixed, and the device and the method are more flexible and more convenient to use;
and through setting up drive assembly and the centre gripping subassembly cooperation use on right side, can make the centre gripping subassembly on right side at horizontal direction reciprocating motion, and then realize the repeated extrusion bending operation to the metal sheet, can accomplish the accurate and quick fatigue test function to the metal sheet, testing speed is faster, and the number of times of testing is easily controlled.
Drawings
FIG. 1 is a schematic structural diagram of a first embodiment of a device for testing metal fatigue of mechanical equipment according to the present invention;
FIG. 2 is a schematic view of the interior of the housing shown in FIG. 1;
FIG. 3 is a schematic view of the exterior of the housing shown in FIG. 1;
FIG. 4 is a schematic view of the interior of the clamping assembly shown in FIG. 3;
FIG. 5 is a schematic view of the driving assembly and the clamping assembly shown in FIG. 2;
FIG. 6 is a schematic structural diagram of a second embodiment of a device for testing metal fatigue of mechanical equipment according to the present invention;
FIG. 7 is a schematic view of the inner side of the movable door shown in FIG. 6;
FIG. 8 is a schematic view of the exterior of the housing shown in FIG. 6;
fig. 9 is a schematic structural view of the inside of the machine body 1 shown in fig. 8;
FIG. 10 is a schematic structural view illustrating an opened state of the movable door shown in FIG. 6;
fig. 11 is a schematic structural diagram of a device for testing metal fatigue for mechanical equipment according to a third embodiment of the present invention.
Reference numerals in the figures
1. A body;
2. testing the structure;
21. a clamping component 22, a driving component 23 and a rotating component;
211. a clamping seat 212, an adjusting rotating piece 213 and a clamping block;
221. a driving motor 222, a rotating disc 223 and a rotating rod;
3. a test slot, 4, a chute;
5. a protective structure;
51. the cleaning device comprises a movable door 52, pulleys 53, a moving groove 54, a cleaning brush 55 and a positioning rotating piece;
6. a movable groove 7 and a collecting box;
8. a protective door;
9. connecting piece, 10, connecting hole, 11, thread groove.
Detailed Description
The invention is further described below with reference to the drawings and the embodiments.
First embodiment
Referring to fig. 1, fig. 2, fig. 3, fig. 4, and fig. 5, in which fig. 1 is a schematic structural view of a first embodiment of a device for testing metal fatigue of a mechanical device according to the present invention; fig. 2 is a schematic structural view of the interior of the machine body shown in fig. 1; FIG. 3 is a schematic view of the exterior of the housing shown in FIG. 1; FIG. 4 is a schematic view of the interior of the clamping assembly shown in FIG. 3; fig. 5 is a schematic structural view of the driving assembly and the clamping assembly shown in fig. 2. The device for testing metal fatigue for mechanical equipment comprises:
a machine body 1;
the testing structure 2 is arranged in the machine body 1, and the testing structure 2 comprises clamping components 21 respectively used for clamping and fixing two sides of a metal to be tested and a driving component 22 used for driving one of the clamping components 21 to reciprocate in the horizontal direction;
the testing device comprises a testing groove 3, the testing groove 3 is arranged on the front side of the machine body 1, the two clamping assemblies 21 are respectively positioned on two sides of the inside of the testing groove 3, each clamping assembly 21 comprises a clamping seat 211, an adjusting rotating piece 212 is connected to the clamping seat 211 in a threaded mode, a clamping block 213 is rotatably connected to the bottom end of the adjusting rotating piece 212, one side of the clamping block 213 is in sliding connection with the inner side of the clamping seat 211, and a rotating piece 23 is connected to one side of one clamping seat 211 in a threaded mode;
and the protective door 8, wherein the protective door 8 rotates at the front side of the machine body 1.
The testing structure 2 is mainly used for clamping a metal plate of mechanical equipment and performing bending testing, the two clamping assemblies 21 are respectively positioned on the left side and the right side inside the testing groove 3 and are respectively used for clamping and fixing the left side and the right side of the tested metal plate, the adjusting rotating piece 212 is in threaded connection with the upper part inside the clamping seat 211, the adjusting rotating piece 212 rotates to enable the clamping rotating piece to move in the vertical direction, one side of the clamping block 213 is in sliding connection with the inner side of the clamping seat 211, the top of the clamping block is in rotating connection with the adjusting rotating piece 212, the clamping rotating piece can move in the vertical direction along with the movement of the adjusting rotating piece 212, and further the outer part of the metal plate can be effectively clamped and fixed;
the rotating piece 23 is in threaded connection with one side of the clamping seat 211 on the left side inside the test slot 3, and the rotating piece 23 rotates, so that the clamping seat 211 on the left side can move in the horizontal direction inside the test slot 3, the position of the clamping seat 211 on the left side is adjusted, the clamping seat 211 on the left side is in a fixed state when a metal plate is tested, and the clamping seat 211 on the right side is in a reciprocating state in the horizontal direction by being connected with the driving assembly 22;
the protective door 8 is mainly used for sealing the test slot 3 through being installed on the front side of the machine body 1, when a metal plate is tested, splashing of metal fragments can be effectively prevented, safety during testing is improved, tempered glass is arranged on the front side of the protective door 8, and the inside condition of the test slot 3 can be clearly seen.
Drive assembly 22 includes driving motor 221, driving motor 221 set up in the rear side of organism 1, driving motor 221's output fixed mounting has rolling disc 222, one side of rolling disc 222 is rotated and is connected with dwang 223, the one end and one of them of dwang 223 press from both sides one side rotation of tight seat 211 and be connected.
Driving motor 221 installs the rear side at organism 1, be connected with the inside power supply unit of organism 1, and control panel through organism 1 front side controls its operation, driving motor is variable frequency speed motor, can change the function of experimental frequency, the avris position outside dwang 223 and rolling disc 222 rotates and is connected, when driving motor 221 drives rolling disc 222 and rotates, make dwang 223 reciprocating motion, and then can make dwang 223 drive the tight seat 211 of clamp on right side and slide on the horizontal direction, make the tight seat 211 of clamp on right side can the reciprocal metal sheet of extrusion, the realization is bent fatigue test repeatedly.
The two clamping assemblies 21 are respectively located on the left side and the right side inside the test slot 3, the driving assembly 22 is used for driving the clamping assembly 21 on the right side, and the rotating member 23 is in threaded connection with the inside of the clamping seat 211 on the left side.
The rotating piece 23 rotates on the left side inside the machine body 1, one side of the inner surface of the test slot 3 is communicated with the sliding groove 4, and the inner side of the clamping seat 211 on the right side is in sliding connection with the inner side of the sliding groove 4.
The sliding groove 4 is matched with the right clamping seat 211 and is a horizontal moving path of the clamping seat 211.
The use method of the device for the metal fatigue test for the mechanical equipment comprises the following operation steps:
s1, when a metal plate of mechanical equipment is tested, the right clamping seat 211 is located at the rightmost end of the sliding groove 4, the distance between the two clamping assemblies 21 is adjusted according to the length of the metal plate, and when the distance is adjusted, the left clamping seat 211 can move in the horizontal direction in the test groove 3 by rotating the outer part of the rotating component 23 until the distance between the two clamping assemblies 21 moves to the length matched with the metal plate, and the rotating component 23 stops rotating;
s2, starting to clamp and fix the metal plate, respectively placing the two sides of the left side of the metal plate on the inner sides of the two clamping seats 211, then rotating the adjusting rotating piece 212 to drive the clamping block 213 to move downwards, finally enabling the bottom of the rotating piece to be attached to the top of the metal plate, effectively fixing the clamping block 213 and the outer part of the metal plate, and after the fixing is finished, closing the protective door 8 and starting to test;
s3, through starting drive motor 221, make rolling disc 222 can drive dwang 223 and rotate, and rotate through dwang 223, finally make to press from both sides tight seat 211 and can be at horizontal direction reciprocating motion, when pressing from both sides tight seat 211 and moving to the left side, can extrude the sheet metal crooked, press from both sides tight seat 211 and move to the right side, make the sheet metal reset, through the continuous rotation of drive motor 221, realize the repeated extrusion of sheet metal crooked, and in the extrusion process, modules such as the sensor on organism 1, can record data such as the extrusion number of times, the deformation degree of sheet metal simultaneously.
Compared with the related art, the device and the method for testing the metal fatigue for the mechanical equipment have the following beneficial effects:
by arranging the test structure 2, the metal plate of the mechanical equipment can be repeatedly bent and extruded, and the fatigue test of the metal plate is more accurate through repeated bending for multiple times, the traditional one-time test mode is changed, the loss of metal workpieces is reduced, and the test cost is further greatly reduced, the metal plate is respectively clamped and fixed by arranging the two clamping assemblies 21, the metal plate can be simultaneously adapted to metal plates with different thicknesses, the metal plate can be kept in a stable state during testing, the horizontal position adjustment of the left clamping assembly 21 can be realized by connecting the left clamping assembly 21 with the rotating member 23 through threads, the distance adjustment of the two clamping assemblies 21 can be realized according to the actual length of the metal plate, the left side and the right side of the metal plate are ensured to be fixed, and the metal plate is more flexible and more convenient to use;
and through setting up drive assembly 22 and the cooperation of the centre gripping subassembly 21 on right side and using, can make the centre gripping subassembly 21 on right side at horizontal direction reciprocating motion, and then realize the crooked operation of repeated extrusion to the metal sheet, can accomplish the accurate and quick fatigue test function to the metal sheet, test speed is faster, and the test number of times is easily controlled.
Second embodiment
Referring to fig. 6-10, a second embodiment of the present invention provides another apparatus and method for testing metal fatigue of mechanical equipment, based on the first embodiment of the present invention.
Specifically, the present invention provides another device and method for testing metal fatigue of mechanical equipment, which is characterized in that:
the front side of the machine body 1 is provided with a protective structure 5, the protective structure 5 comprises a movable door 51 and two pulleys 52, the movable door 51 is positioned at the front side of the test slot 3, the two pulleys 52 are both fixedly mounted at the front side of the machine body 1, two moving grooves 53 are formed in the inner side of the movable door 51, and the two moving grooves 53 are in one-to-one correspondence with the two pulleys 52, the outer part of the pulley 52 is in rolling connection with the inner part of the moving groove 53, a cleaning brush 54 is fixedly arranged at the inner side of the movable door 51 and positioned in the test slot 3, the bottom of the cleaning brush 54 is contacted with the bottom of the inner surface of the test slot 3, when the movable door 51 is in the closed state, the cleaning brush 54 is positioned at the right side of the inside of the test slot 3, one end of the positioning rotating piece 55 is in threaded connection with the inner part of the threaded hole in the front side of the machine body 1.
The protective structure 5 and the protective door 8 have the same function and are used for protecting the inside of the test slot 3, the movable door 51 slides in the horizontal direction with the front side of the machine body 1, and when the movable door is opened or closed, the movable door can be operated in a horizontal pushing mode, the original rotating opening mode is changed, the movable door is more labor-saving and faster in opening, the two pulleys 52 are respectively positioned at the upper and lower positions on the left side of the front side of the machine body 1 and are matched with the movable groove 53, the two pulleys are arranged in a one-to-one correspondence manner, and the movable door 51 can be effectively limited by the sliding of the two pulleys in a matched manner, so that the movable door 51 can smoothly and rapidly move in the horizontal direction;
the cleaning brush 54 is arranged at the bottom of the inner side of the movable door 51, when the movable door 51 is opened, the bottom of the cleaning brush 54 horizontally slides at the bottom of the inner surface of the test slot 3 through fixed installation with the movable door 51, so that debris on the cleaning brush 54 is cleaned to the left side, manual cleaning operation is further omitted, the positioning rotating piece 55 is arranged at the right side of the front side of the movable door 51 and is in threaded connection with the front side of the movable door 51 to be mainly used for effectively fixing the movable door 51, a threaded hole matched with the positioning rotating piece 55 is formed in the front side of the machine body 1, the positioning rotating piece 55 rotates and is in threaded connection with the inner part of the threaded hole to effectively fix the position of the movable door 51, and the protective structure 5 is arranged to play an effective protective role on one hand, so that when a metal plate is subjected to bending test, the debris can be prevented from splashing outwards when the metal plate is broken, simultaneously use with the cooperation of brush cleaner 54, when realizing opening dodge gate 51, clean the metal debris of piling up in test groove 3 internal surface bottom, saved artifical manual cleaning in addition, guaranteed that test groove 3 bottom is in clean sanitary condition all the time for dodge gate 51 is more nimble when using, and the function is abundanter.
The left side of the machine body 1 is provided with a movable groove 6, the inside of the movable groove 6 is movably connected with a collecting box 7, and the top of the inner surface of the movable groove 6 is communicated with the left side of the bottom of the inner surface of the test groove 3.
The movable groove 6 and the collection box 7 are matched, so that the collection box 7 can slide in the horizontal direction inside the movable groove 6, the left side of the top of the inner surface of the movable groove 6 is communicated with the test groove 3, the cleaning brush 54 can just fall into the collection box 7 when pushing the scraps to the left side of the test groove 3, and the automatic collection of the metal scraps is realized.
Third embodiment
Referring to fig. 11, a device and a method for testing metal fatigue of mechanical equipment according to a first embodiment of the present invention are provided, and a third embodiment of the present invention provides another device and method for testing metal fatigue of mechanical equipment, wherein the third embodiment does not hinder independent implementation of the technical solution of the first embodiment.
Specifically, the present invention provides another device and method for testing metal fatigue for mechanical equipment, which are different in that:
install connecting piece 9 on dwang 223, a plurality of connecting holes 10 have all been seted up to the both sides of dwang 223, just connecting piece 9 outside with one of them the inside swing joint of connecting hole 10, a plurality of thread grooves 11 have all been seted up to the both sides of rolling disc 222, just thread groove 11 with the setting of aliging around connecting hole 10 keeps, the one end of connecting piece 9 with the inside threaded connection of thread groove 11.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. The utility model provides a device is used in metal fatigue test to mechanical equipment which characterized in that includes:
a body;
the testing structure is arranged in the machine body and comprises clamping components and a driving component, wherein the clamping components are respectively used for clamping and fixing two sides of a tested metal plate, and the driving component is used for driving one clamping component to reciprocate in the horizontal direction;
the clamping components comprise clamping seats, the clamping seats are in threaded connection with adjusting rotating pieces, the bottom ends of the adjusting rotating pieces are rotatably connected with clamping blocks, one sides of the clamping blocks are in sliding connection with the inner sides of the clamping seats, and one side of one clamping seat is in threaded connection with a rotating piece;
the protective door rotates on the front side of the machine body.
2. The device for testing the metal fatigue of the mechanical equipment according to claim 1, wherein the driving assembly comprises a driving motor, the driving motor is arranged at the rear side of the machine body, and a rotating disc is fixedly mounted at an output end of the driving motor.
3. The device for testing the metal fatigue of the mechanical equipment according to claim 2, wherein a rotating rod is rotatably connected to one side of the rotating disk, and one end of the rotating rod is rotatably connected to one side of one of the clamping seats.
4. The device for testing the metal fatigue of the mechanical equipment according to claim 1, wherein the two clamping assemblies are respectively located on the left side and the right side of the inside of the test slot, the driving assembly is used for driving the clamping assembly on the right side, and the rotating member is in threaded connection with the inside of the clamping seat on the left side.
5. The device for testing the metal fatigue of the mechanical equipment according to claim 4, wherein the rotating member rotates at the left side inside the machine body, one side of the inner surface of the test slot is communicated with a sliding groove, and the inner side of the right clamping seat is in sliding connection with the inside of the sliding groove.
6. The device for testing the metal fatigue of the mechanical equipment according to claim 1, wherein a protective structure is arranged on the front side of the machine body, the protective structure comprises a movable door and two pulleys, the movable door is located on the front side of the test slot, and the two pulleys are fixedly mounted on the front side of the machine body.
7. The device for testing metal fatigue of mechanical equipment according to claim 6, wherein two moving grooves are formed in the inner side of the movable door, the two moving grooves are in one-to-one correspondence with the two pulley positions, and the outer portions of the pulleys are in rolling connection with the inner portions of the moving grooves.
8. The device for testing metal fatigue of mechanical equipment according to claim 7, wherein a cleaning brush is fixedly mounted inside the test slot and inside the movable door, the bottom of the cleaning brush is in contact with the bottom of the inner surface of the test slot, when the movable door is in a closed state, the cleaning brush is located on the right side inside the test slot, a positioning rotating member is connected to the front side of the movable door in a threaded manner, one end of the positioning rotating member is in threaded connection with the inside of the threaded hole in the front side of the machine body, a movable groove is formed in the left side of the machine body, a collecting box is movably connected to the inside of the movable groove, and the top of the inner surface of the movable groove is communicated with the left side of the bottom of the inner surface of the test slot.
9. The device for testing metal fatigue of mechanical equipment according to claim 8, wherein the rotating rod is provided with a connecting member, both sides of the rotating rod are provided with a plurality of connecting holes, the outside of the connecting member is movably connected with the inside of one of the connecting holes, both sides of the rotating disk are provided with a plurality of thread grooves, the thread grooves and the connecting holes are aligned front and back, and one end of the connecting member is in threaded connection with the inside of the thread groove.
10. Use of a device for metal fatigue testing for mechanical equipment comprising any of the claims 1 to 9, characterized in that it comprises the following operative steps:
s1, when testing the metal plate of the mechanical equipment, positioning the right clamping seat at the rightmost end of the sliding chute, firstly adjusting the distance between the two clamping assemblies according to the length of the metal plate, and when adjusting, rotating the outer part of the rotating part to enable the left clamping seat to move in the horizontal direction in the test groove until the distance between the two clamping assemblies moves to the length matched with the metal plate, and stopping rotating the rotating part;
s2, starting to clamp and fix the metal plate, respectively placing the two sides of the left side of the metal plate on the inner sides of the two clamping seats, then rotating the adjusting rotating piece to drive the clamping blocks to move downwards, finally enabling the bottoms of the clamping blocks to be attached to the top of the metal plate, effectively fixing the clamping blocks and the outer part of the metal plate, and after the fixing is finished, closing the protective door and starting to test;
s3, through starting driving motor, make the rolling disc can drive the dwang and rotate, and rotate through the dwang, finally make to press from both sides tight seat and can be at horizontal direction reciprocating motion, when pressing from both sides tight seat and removing to the left side, can extrude the metal sheet crooked, press from both sides tight seat and remove to the right side, make the metal sheet reset, continuous rotation through driving motor, the realization is crooked to the extrusion of metal sheet' S repetition, and at the extrusion in-process, modules such as sensor on the organism, can record the extrusion number of times simultaneously, data such as the deformation degree of metal sheet.
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| CN116413139A (en) * | 2023-04-13 | 2023-07-11 | 黄山名伦精密五金有限公司 | Clamp fatigue stress testing method |
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