CN108051297B - Mechanical metal elastic sheet fatigue strength testing equipment - Google Patents
Mechanical metal elastic sheet fatigue strength testing equipment Download PDFInfo
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- CN108051297B CN108051297B CN201711211238.9A CN201711211238A CN108051297B CN 108051297 B CN108051297 B CN 108051297B CN 201711211238 A CN201711211238 A CN 201711211238A CN 108051297 B CN108051297 B CN 108051297B
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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
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive 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
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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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Abstract
The invention relates to a test device, in particular to a device for testing fatigue strength of a mechanical metal elastic sheet. The technical problem to be solved by the invention is to provide a mechanical metal-like elastic sheet fatigue strength testing device which is time-saving, labor-saving, free of testing by people, good in testing effect and not easy to be shot by back fragments. In order to solve the technical problem, the invention provides a device for testing the fatigue strength of a mechanical metal elastic sheet, which comprises an installation plate and the like; the landing leg is installed to the mounting panel left surface, and the extension board is installed to the mounting panel right flank, installs the diaphragm between extension board left surface lower part and the landing leg right flank lower part, and landing leg leading flank middle part is equipped with fixing device, is equipped with bending device between mounting panel leading flank right side and the extension board left surface. The invention can spray lubricating oil to the metal elastic sheet through the lubricating device, so that the swing rod can better bend the metal elastic sheet to test the fatigue strength, thereby achieving the effects of time saving, labor saving, no need of people for testing and good testing effect.
Description
Technical Field
The invention relates to a test device, in particular to a device for testing fatigue strength of a mechanical metal elastic sheet.
Background
Machine refers to the generic term of machine and mechanism. The machine is a tool device which can help people to reduce work difficulty or save labor, and articles such as chopsticks, brooms and tweezers can be called as the machine, and the machines are simple machines. The complex machine is composed of two or more simple machines. These relatively complex machines are often called machines. From a structural and kinematic point of view, the mechanisms and machines are not distinct and are broadly called machines.
In order to guarantee the safe use of ability after the metal shrapnel produces, all can test the fatigue strength of metal shrapnel, and artifical when testing metal shrapnel fatigue strength, waste time and energy, long-time testing easily tired of people to metal shrapnel, and the test effect is not good, still easy fragment shooting, consequently need urgently to research and develop a labour saving and time saving, need not the people and test, and the test effect is good, the mechanical metal shrapnel fatigue strength test equipment who is difficult for back of the body fragment shooting.
Disclosure of Invention
(1) Technical problem to be solved
The invention aims to overcome the defects that when the fatigue strength of a metal elastic sheet is tested manually, the metal elastic sheet is time-consuming and labor-consuming, the metal elastic sheet is easy to fatigue for a long time, the test effect is poor, and the metal elastic sheet is easy to be shot by fragments.
(2) Technical scheme
In order to solve the technical problem, the invention provides a device for testing the fatigue strength of a metal elastic sheet of a machine, which comprises a mounting plate, a supporting plate, supporting legs, a transverse plate, a fixing device and a bending device, wherein the supporting legs are mounted on the left side surface of the mounting plate, the supporting plate is mounted on the right side surface of the mounting plate, the transverse plate is mounted between the lower part of the left side surface of the supporting plate and the lower part of the right side surface of the supporting legs, the fixing device is arranged in the middle of the front side surface of the supporting legs, the bending device is arranged between the right side.
Preferably, the fixing device comprises a first guide sleeve, a screw rod, a bearing seat, a pressing plate and a placing block, the placing block is installed on the lower portion of the front side face of the supporting leg, the first guide sleeve is installed on the upper portion of the front side face of the supporting leg, the screw rod is arranged in the first guide sleeve, the bearing seat is installed at the bottom end of the screw rod, the pressing plate is installed at the bottom of the bearing seat, and the pressing plate is located right.
Preferably, bending device is including the motor, the carousel, the connecting rod, the horizontal pole, the second guide pin bushing, the movable rod, the pendulum rod, first fixed block, spring and pulley, the horizontal pole is installed on extension board left surface upper portion, the horizontal pole left end is difficult to find the second guide pin bushing, be equipped with the movable rod in the second guide pin bushing, the pendulum rod is installed of movable rod front side lower part rotary type, the pulley is installed to the pendulum rod left end, first fixed block is installed to movable rod right side lower part, first fixed block is located the pendulum rod below rather than the contact, be connected with the spring between pendulum rod top right side and the movable rod right side middle part, the motor is installed on mounting panel leading flank right side, the output shaft of motor has the carousel through the coupling joint, the carousel is located the motor front side, there.
Preferably, the lubricating device comprises a frame body, a compression cylinder, a piston, an oil inlet pipe, a check valve, an oil outlet pipe, a connecting block, a second fixing block and a spray head, the frame body is installed at the top of the transverse plate, the compression cylinder is installed on the right side of the bottom in the frame body, the piston is arranged in the compression cylinder, the piston is in sliding fit with the compression cylinder, the middle of the top of the piston is connected with the bottom end of the movable rod, the lower portion of the left side of the compression cylinder is connected with the oil inlet pipe, the oil inlet pipe is communicated with the interior of the compression cylinder, the oil outlet pipe is communicated with the interior of the compression cylinder, the check valve is arranged on the oil outlet pipe and the oil inlet pipe, the connecting block is installed on the lower portion of the left side face of the support plate, the second fixing block is installed on the upper portion of the front side of the movable rod.
Preferably, the oil inlet pipe further comprises a clamping seat, a stop block, a 7-shaped rod and a screen plate, wherein the clamping seat is installed in the middle of the bottom in the frame body, the screen plate is arranged in the clamping seat, the 7-shaped rod is installed at the top of the screen plate, the stop block is installed on the left side of the top of the oil inlet pipe, and the 7-shaped rod is in contact with the stop block.
Preferably, the device also comprises a guide wheel, the guide wheel is arranged on the lower part of the right side surface of the supporting leg, and the guide wheel is positioned on the right side of the placing block.
The working principle is as follows: firstly, an operator fixes the metal elastic sheet through the fixing device, and the metal elastic sheet is located below the bending part of the bending device, so that the bending device can be started, and the bending device continuously bends the metal elastic sheet to test the fatigue strength of the metal elastic sheet. After the metal elastic sheet test is completed, the bending device can be closed, the metal elastic sheet is taken down through the fixing device, and qualified and unqualified metal elastic sheets can be classified.
Because fixing device is including first guide pin bushing, the screw rod, the bearing frame, the clamp plate and place the piece, landing leg leading flank lower part is installed and is placed the piece, landing leg leading flank upper portion is installed first guide pin bushing, be equipped with the screw rod in the first guide pin bushing, the bearing frame is installed to the screw rod bottom, the clamp plate is installed to the bearing frame bottom, the clamp plate is located and places directly over the piece, at first operating personnel puts the metal shrapnel on placing the piece, and make the metal shrapnel be located bending part below of bending device, can twist the screw rod downstream, the screw rod downstream drives the clamp plate downstream through the bearing frame, the clamp plate downstream is fixed with the contact of metal shrapnel, stop twisting the screw rod, can test the metal. In a similar way, after the metal elastic sheet is tested, the screw rod can be reversely twisted to move upwards, then the pressing plate moves upwards to loosen the metal elastic sheet, the screw rod stops being twisted, and the metal elastic sheet can be taken down.
Because the bending device comprises a motor, a rotary table, a connecting rod, a cross rod, a second guide sleeve, a movable rod, a swing rod, a first fixed block, a spring and a pulley, the cross rod is arranged at the upper part of the left side surface of the support plate, the second guide sleeve is difficult to find at the left end of the cross rod, the movable rod is arranged in the second guide sleeve, the swing rod is rotatably arranged at the lower part of the front side of the movable rod, the pulley is arranged at the left end of the swing rod, the first fixed block is arranged at the lower part of the right side of the movable rod and is contacted with the first fixed block below the swing rod, the spring is connected between the right side of the top of the swing rod and the middle part of the right side of the movable rod, the motor is arranged at the right side of the front side surface of the mounting plate, an output shaft of the motor is connected, the motor rotates and drives the turntable to rotate, the turntable rotates and drives the movable rod to move up and down through the connecting rod, the movable rod moves up and down to drive the swing rod to move up and down, the swing rod moves up and down to drive the pulley to move up and down, the swing rod bends the metal elastic sheet through the pulley when moving downwards, the swing rod is blocked by the first fixed block, when moving upwards, the swing rod slides through the contact of the pulley and the metal elastic sheet, the swing rod is restored to the original position under the action of the spring, the operation is repeated, the swing rod continuously bends the metal elastic sheet through moving upwards and downwards, and the fatigue strength of the. And after the metal elastic sheet is tested, the motor can be turned off.
Because the lubricating device also comprises a lubricating device, the lubricating device comprises a frame body, a compression cylinder, a piston, an oil inlet pipe, a one-way valve, an oil outlet pipe, a connecting block, a second fixing block and a spray head, the frame body is arranged at the top of a transverse plate, the compression cylinder is arranged at the right side of the bottom in the frame body, the piston is arranged in the compression cylinder, the piston is in sliding fit with the compression cylinder, the middle of the top of the piston is connected with the bottom end of a movable rod, the oil inlet pipe is connected with the lower part of the left side of the compression cylinder, the oil inlet pipe is communicated with the compression cylinder, the oil outlet pipe is connected with the lower part of the right side of the compression cylinder, the oil outlet pipe is communicated with the compression cylinder, the oil outlet pipe and the oil inlet pipe are both provided with the one-way valve, the connecting block is arranged at the lower part of the left side surface of a support plate, and then when the motor starts, the movable rod reciprocates and drives the piston to reciprocate simultaneously, when the piston upwards moves, the piston is through advancing in oil pipe with lubricating oil suction compression cylinder, when the piston moves down, the piston pushes the lubricating oil in the compression cylinder in the oil pipe, and then the lubricating oil in the oil pipe passes through the shower nozzle blowout, lubricating oil blowout is spouted on the metal shrapnel, and then pulley and lubricating oil contact, and lubricating oil reduces the frictional force with the pulley, and make the more smooth metal shrapnel of bending to the pendulum rod. After the metal elastic sheet test is finished, the motor is turned off, and then the lubricating oil stops spraying. Therefore, the friction force between the pulley and the metal elastic sheet can be reduced, and the swing rod can bend the metal elastic sheet well.
Because still including cassette, dog, 7 type poles and otter board, install the cassette in the middle of the bottom in the framework, be equipped with the otter board in the cassette, 7 type poles are installed at the otter board top, advance oil pipe top left side and install the dog, 7 type poles and dog contact, when the piston was through advancing oil pipe with the lubricating oil suction compression cylinder in, lubricating oil filtered the back through the otter board and discharged in the compression cylinder. After the screen plate is used for a period of time, the screen plate can be taken out from the clamping seat through the 7-shaped rod, impurities on the screen plate are treated, and then the screen plate is put back to the original position. Therefore, the metal elastic sheet can be prevented from being bent due to the influence of impurities in the lubricating oil.
Because still including the guide pulley, the guide pulley is installed to landing leg right flank lower part, and the guide pulley is located and places a right side, is bending when the metal shrapnel, and when carrying out the fatigue strength test, metal shrapnel and guide pulley contact, and then the guide pulley reduces the degree of bending of metal shrapnel, and prevents that the metal shrapnel fracture.
(3) Advantageous effects
According to the invention, lubricating oil can be sprayed on the metal elastic sheet through the lubricating device, so that the swing rod can better bend the metal elastic sheet to test the fatigue strength, and the effects of time saving, labor saving, no need of people for testing, good testing effect and difficulty in being shot-injured by fragments are achieved.
Drawings
Fig. 1 is a first front view structure diagram of the present invention.
Fig. 2 is a second front view structure diagram of the present invention.
Fig. 3 is a third schematic view of the present invention.
Fig. 4 is an enlarged schematic view of part a of the present invention.
Fig. 5 is a schematic diagram of a fourth front view structure according to the present invention.
The labels in the figures are: 1-mounting plate, 2-support plate, 3-support leg, 4-transverse plate, 5-fixing device, 51-first guide sleeve, 52-screw rod, 53-bearing seat, 54-press plate, 55-placing block, 6-bending device, 61-motor, 62-rotary table, 63-connecting rod, 64-transverse rod, 65-second guide sleeve, 66-movable rod, 67-swing rod, 68-first fixing block, 69-spring, 610-pulley, 7-lubricating device, 71-frame body, 72-compression cylinder, 73-piston, 74-oil inlet pipe, 75-one-way valve, 76-oil outlet pipe, 77-connecting block, 78-second fixing block, 79-spray head, 8-clamping seat, 9-stop block, 10-7 type rod, 11-mesh plate, 12-guide wheel.
Detailed Description
The invention is further described below with reference to the figures and examples.
Example 1
The utility model provides a machinery metal shrapnel fatigue strength test equipment, as shown in fig. 1-5, including mounting panel 1, extension board 2, landing leg 3, diaphragm 4, fixing device 5 and bending device 6, landing leg 3 is installed to mounting panel 1 left surface, extension board 2 is installed to mounting panel 1 right side, install diaphragm 4 between extension board 2 left surface lower part and the 3 right side lower parts of landing leg, 3 leading flank middles in the landing leg are equipped with fixing device 5, be equipped with bending device 6 between 1 leading flank right side in mounting panel and the 2 left surfaces of extension board, bending device 6 is located the 5 right sides in fixing device.
Example 2
The utility model provides a machinery metal shrapnel fatigue strength test equipment, as shown in fig. 1-5, including mounting panel 1, extension board 2, landing leg 3, diaphragm 4, fixing device 5 and bending device 6, landing leg 3 is installed to mounting panel 1 left surface, extension board 2 is installed to mounting panel 1 right side, install diaphragm 4 between extension board 2 left surface lower part and the 3 right side lower parts of landing leg, 3 leading flank middles in the landing leg are equipped with fixing device 5, be equipped with bending device 6 between 1 leading flank right side in mounting panel and the 2 left surfaces of extension board, bending device 6 is located the 5 right sides in fixing device.
The fixing device 5 comprises a first guide sleeve 51, a screw rod 52, a bearing seat 53, a pressing plate 54 and a placing block 55, the placing block 55 is installed on the lower portion of the front side face of the supporting leg 3, the first guide sleeve 51 is installed on the upper portion of the front side face of the supporting leg 3, the screw rod 52 is arranged in the first guide sleeve 51, the bearing seat 53 is installed at the bottom end of the screw rod 52, the pressing plate 54 is installed at the bottom of the bearing seat 53, and the pressing plate 54 is located right above.
Example 3
The utility model provides a machinery metal shrapnel fatigue strength test equipment, as shown in fig. 1-5, including mounting panel 1, extension board 2, landing leg 3, diaphragm 4, fixing device 5 and bending device 6, landing leg 3 is installed to mounting panel 1 left surface, extension board 2 is installed to mounting panel 1 right side, install diaphragm 4 between extension board 2 left surface lower part and the 3 right side lower parts of landing leg, 3 leading flank middles in the landing leg are equipped with fixing device 5, be equipped with bending device 6 between 1 leading flank right side in mounting panel and the 2 left surfaces of extension board, bending device 6 is located the 5 right sides in fixing device.
The fixing device 5 comprises a first guide sleeve 51, a screw rod 52, a bearing seat 53, a pressing plate 54 and a placing block 55, the placing block 55 is installed on the lower portion of the front side face of the supporting leg 3, the first guide sleeve 51 is installed on the upper portion of the front side face of the supporting leg 3, the screw rod 52 is arranged in the first guide sleeve 51, the bearing seat 53 is installed at the bottom end of the screw rod 52, the pressing plate 54 is installed at the bottom of the bearing seat 53, and the pressing plate 54 is located right above.
The bending device 6 comprises a motor 61, a turntable 62, a connecting rod 63, a cross rod 64, a second guide sleeve 65, a movable rod 66, a swing rod 67, a first fixed block 68, a spring 69 and a pulley 610, a cross rod 64 is installed on the upper portion of the left side face of the support plate 2, a second guide sleeve 65 is difficultly found at the left end of the cross rod 64, a movable rod 66 is arranged in the second guide sleeve 65, a swing rod 67 is installed on the lower portion of the front side of the movable rod 66 in a rotary mode, a pulley 610 is installed at the left end of the swing rod 67, a first fixed block 68 is installed on the lower portion of the right side of the movable rod 66, the first fixed block 68 is located below the swing rod 67 and contacts with the swing rod 67, a spring 69 is connected between the right side of the top of the swing rod 67 and the middle portion of the right side of the movable rod 66, a motor 61 is installed on the right side of the front side face of the mounting plate 1, an.
Example 4
The utility model provides a machinery metal shrapnel fatigue strength test equipment, as shown in fig. 1-5, including mounting panel 1, extension board 2, landing leg 3, diaphragm 4, fixing device 5 and bending device 6, landing leg 3 is installed to mounting panel 1 left surface, extension board 2 is installed to mounting panel 1 right side, install diaphragm 4 between extension board 2 left surface lower part and the 3 right side lower parts of landing leg, 3 leading flank middles in the landing leg are equipped with fixing device 5, be equipped with bending device 6 between 1 leading flank right side in mounting panel and the 2 left surfaces of extension board, bending device 6 is located the 5 right sides in fixing device.
The fixing device 5 comprises a first guide sleeve 51, a screw rod 52, a bearing seat 53, a pressing plate 54 and a placing block 55, the placing block 55 is installed on the lower portion of the front side face of the supporting leg 3, the first guide sleeve 51 is installed on the upper portion of the front side face of the supporting leg 3, the screw rod 52 is arranged in the first guide sleeve 51, the bearing seat 53 is installed at the bottom end of the screw rod 52, the pressing plate 54 is installed at the bottom of the bearing seat 53, and the pressing plate 54 is located right above.
The bending device 6 comprises a motor 61, a turntable 62, a connecting rod 63, a cross rod 64, a second guide sleeve 65, a movable rod 66, a swing rod 67, a first fixed block 68, a spring 69 and a pulley 610, a cross rod 64 is installed on the upper portion of the left side face of the support plate 2, a second guide sleeve 65 is difficultly found at the left end of the cross rod 64, a movable rod 66 is arranged in the second guide sleeve 65, a swing rod 67 is installed on the lower portion of the front side of the movable rod 66 in a rotary mode, a pulley 610 is installed at the left end of the swing rod 67, a first fixed block 68 is installed on the lower portion of the right side of the movable rod 66, the first fixed block 68 is located below the swing rod 67 and contacts with the swing rod 67, a spring 69 is connected between the right side of the top of the swing rod 67 and the middle portion of the right side of the movable rod 66, a motor 61 is installed on the right side of the front side face of the mounting plate 1, an.
The lubricating device 7 comprises a frame body 71, a compression cylinder 72, a piston 73, an oil inlet pipe 74, a one-way valve 75, an oil outlet pipe 76, a connecting block 77, a second fixing block 78 and a spray head 79, wherein the frame body 71 is installed at the top of the transverse plate 4, the compression cylinder 72 is installed on the right side of the bottom in the frame body 71, the piston 73 is arranged in the compression cylinder 72, the piston 73 is in sliding fit with the compression cylinder 72, the middle of the top of the piston 73 is connected with the bottom end of the movable rod 66, the oil inlet pipe 74 is connected to the lower portion of the left side of the compression cylinder 72, the oil inlet pipe 74 is communicated with the compression cylinder 72, the oil outlet pipe 76 and the oil inlet pipe 74 are both provided with the one-way valve 75, the connecting block 77 is installed on the lower portion of the left side of the support plate 2, the second fixing block 78 is installed on, the tail end of the oil outlet pipe 76 is provided with a spray head 79, the spray head 79 is communicated with the inside of the oil outlet pipe 76, and the spray head 79 is positioned above the pulley 610.
The novel oil inlet pipe is characterized by further comprising a clamping seat 8, a stop block 9, a 7-shaped rod 10 and a screen plate 11, wherein the clamping seat 8 is installed in the middle of the bottom in the frame body 71, the screen plate 11 is arranged in the clamping seat 8, the 7-shaped rod 10 is installed at the top of the screen plate 11, the stop block 9 is installed on the left side of the top of the oil inlet pipe 74, and the 7-shaped rod 10 is in contact.
The device also comprises a guide wheel 12, the guide wheel 12 is arranged on the lower part of the right side surface of the supporting leg 3, and the guide wheel 12 is positioned on the right side of the placing block 55.
The working principle is as follows: firstly, an operator fixes the metal elastic sheet through the fixing device 5, and the metal elastic sheet is located below the bending part of the bending device 6, so that the bending device 6 can be started, and the bending device 6 continuously bends the metal elastic sheet to test the fatigue strength of the metal elastic sheet. After the metal elastic sheet test is completed, the bending device 6 can be closed, the metal elastic sheet is taken down through the fixing device 5, and qualified and unqualified metal elastic sheets can be classified.
Because the fixing device 5 comprises the first guide sleeve 51, the screw rod 52, the bearing seat 53, the pressing plate 54 and the placing block 55, the placing block 55 is installed on the lower portion of the front side face of the supporting leg 3, the first guide sleeve 51 is installed on the upper portion of the front side face of the supporting leg 3, the screw rod 52 is arranged in the first guide sleeve 51, the bearing seat 53 is installed at the bottom end of the screw rod 52, the pressing plate 54 is installed at the bottom of the bearing seat 53, the pressing plate 54 is located right above the placing block 55, firstly, an operator places the metal elastic sheet on the placing block 55, and enables the metal elastic sheet to be located below the bending part of the bending device 6, the screw rod 52 can be twisted to move downwards, the screw rod 52 moves downwards to drive the pressing plate 54 to move downwards through the bearing seat 53, the pressing plate 54 moves downwards to. Similarly, after the metal spring sheet test is completed, the screw 52 can be reversely twisted to move upwards, and then the pressing plate 54 moves upwards to loosen the metal spring sheet, and the metal spring sheet can be taken down by stopping twisting the screw 52.
Because the bending device 6 comprises a motor 61, a turntable 62, a connecting rod 63, a cross rod 64, a second guide sleeve 65, a movable rod 66, a swing rod 67, a first fixed block 68, a spring 69 and a pulley 610, the upper part of the left side surface of the support plate 2 is provided with the cross rod 64, the left end of the cross rod 64 is difficult to find the second guide sleeve 65, the second guide sleeve 65 is internally provided with the movable rod 66, the lower part of the front side of the movable rod 66 is rotatably provided with the swing rod 67, the left end of the swing rod 67 is provided with the pulley 610, the lower part of the right side of the movable rod 66 is provided with the first fixed block 68, the first fixed block 68 is positioned below the swing rod 67 and contacted with the swing rod, the spring 69 is connected between the right side of the top of the swing rod 67 and the middle part of the right side of the movable rod 66, the right side of the front side surface of the mounting, after the metal elastic sheet is fixed, the metal elastic sheet is located below the pulley 610, the motor 61 can be started to rotate, the motor 61 rotates to drive the turntable 62 to rotate, the turntable 62 rotates to drive the movable rod 66 to move up and down through the connecting rod 63, the movable rod 66 moves up and down to drive the swing rod 67 to move up and down, the swing rod 67 moves up and down to drive the pulley 610 to move up and down, further, when the swing rod 67 moves down, the swing rod 67 bends the metal elastic sheet through the pulley 610, the swing rod 67 is blocked by the first fixed block 68, when the swing rod 67 moves up, the swing rod 67 slides through the contact of the pulley 610 and the metal elastic sheet, and the swing rod 67 returns to the original position under the action of the spring 69, so that the swing rod 67 moves up and down. After the metal dome test is completed, the motor 61 can be turned off.
Because the lubricating device 7 is further included, the lubricating device 7 includes a frame 71, a compression cylinder 72, a piston 73, an oil inlet pipe 74, a check valve 75, an oil outlet pipe 76, a connecting block 77, a second fixing block 78 and a nozzle 79, the frame 71 is installed on the top of the transverse plate 4, the compression cylinder 72 is installed on the right side of the bottom in the frame 71, the piston 73 is arranged in the compression cylinder 72, the piston 73 is in sliding fit with the compression cylinder 72, the middle of the top of the piston 73 is connected with the bottom end of the movable rod 66, the oil inlet pipe 74 is connected to the lower portion of the left side of the compression cylinder 72, the oil inlet pipe 74 is communicated with the compression cylinder 72, the oil outlet pipe 76 is communicated with the compression cylinder 72, the check valve 75 is arranged on the oil outlet pipe 76 and the oil inlet pipe 74, the connecting block 77 is installed on the lower portion of the left side of the support plate 2, the second fixing block 78 is installed on the upper, the spray head 79 is installed at the tail end of the oil outlet pipe 76, the spray head 79 is communicated with the oil outlet pipe 76, the spray head 79 is located above the pulley 610, firstly, an operator pours lubricating oil into the frame body 71, and then when the motor 61 is started, the movable rod 66 moves up and down and simultaneously drives the piston 73 to move up and down, when the piston 73 moves up, the piston 73 pumps the lubricating oil into the compression cylinder 72 through the oil inlet pipe 74, when the piston 73 moves down, the piston 73 pushes the lubricating oil in the compression cylinder 72 into the oil outlet pipe 76, and then the lubricating oil in the oil outlet pipe 76 is sprayed out through the spray head 79, and the lubricating oil is sprayed out on the metal elastic sheet, so that the pulley 610 is in contact with the lubricating oil, and the lubricating oil reduces the friction force with the pulley 610. After the metal dome test is completed, the motor 61 is turned off, and the lubricant stops spraying. Therefore, the friction force between the pulley 610 and the metal elastic sheet can be reduced, and the swing rod 67 can bend the metal elastic sheet well.
Because still including cassette 8, dog 9, 7 type pole 10 and otter board 11, the cassette 8 is installed to the bottom centre in the framework 71, is equipped with otter board 11 in the cassette 8, and 7 type pole 10 is installed at otter board 11 top, and the dog 9 is installed on the left side of oil inlet pipe 74 top, and 7 type pole 10 contacts with dog 9, when piston 73 passes through oil inlet pipe 74 with lubricating oil suction compression cylinder 72 in, lubricating oil discharges into compression cylinder 72 after filtering through otter board 11. After the screen plate 11 is used for a period of time, the screen plate 11 can be taken out from the clamping seat 8 through the 7-shaped rod 10, impurities on the screen plate 11 are treated, and then the screen plate 11 is put back to the original position. Therefore, the metal elastic sheet can be prevented from being bent due to the influence of impurities in the lubricating oil.
Because still including guide pulley 12, guide pulley 12 is installed to 3 right sides lower parts of landing leg, and guide pulley 12 is located and places the piece 55 right side, and when the metal shrapnel is being bent, and when carrying out the fatigue strength test, metal shrapnel and guide pulley 12 contact, and then guide pulley 12 reduces the degree of bending of metal shrapnel, and prevents that the metal shrapnel fracture.
The above examples are merely representative of preferred embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, various changes, modifications and substitutions can be made without departing from the spirit of the present invention, and these are all within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (3)
1. The mechanical metal elastic sheet fatigue strength testing equipment is characterized by comprising a mounting plate (1), a supporting plate (2), supporting legs (3), a transverse plate (4), a fixing device (5) and a bending device (6), wherein the supporting legs (3) are mounted on the left side surface of the mounting plate (1), the supporting plate (2) is mounted on the right side surface of the mounting plate (1), the transverse plate (4) is mounted between the lower part of the left side surface of the supporting plate (2) and the lower part of the right side surface of the supporting legs (3), the fixing device (5) is arranged in the middle of the front side surface of the supporting legs (3), the bending device (6) is arranged between the right side surface of the front side surface of the mounting plate (1) and the left side surface of; the fixing device (5) comprises a first guide sleeve (51), a screw rod (52), a bearing seat (53), a pressing plate (54) and a placing block (55), the placing block (55) is installed on the lower portion of the front side face of the supporting leg (3), the first guide sleeve (51) is installed on the upper portion of the front side face of the supporting leg (3), the screw rod (52) is arranged in the first guide sleeve (51), the bearing seat (53) is installed at the bottom end of the screw rod (52), the pressing plate (54) is installed at the bottom of the bearing seat (53), and the pressing plate (54) is located right above the; the bending device (6) comprises a motor (61), a turntable (62), a connecting rod (63), a cross rod (64), a second guide sleeve (65), a movable rod (66), a swing rod (67), a first fixed block (68), a spring (69) and a pulley (610), the cross rod (64) is installed on the upper portion of the left side face of the support plate (2), the second guide sleeve (65) is difficultly found at the left end of the cross rod (64), the movable rod (66) is arranged in the second guide sleeve (65), the swing rod (67) is installed on the lower portion of the front side of the movable rod (66) in a rotating mode, the pulley (610) is installed at the left end of the swing rod (67), the first fixed block (68) is installed on the lower portion of the right side of the movable rod (66), the first fixed block (68) is located below the swing rod (67) and contacts with the swing rod, the spring (69) is connected between the right side of, an output shaft of the motor (61) is connected with a rotary table (62) through a coupling, the rotary table (62) is positioned on the front side of the motor (61), and a connecting rod (63) is connected between the eccentric position of the front side surface of the rotary table (62) and the top end of the movable rod (66) through a pin; the lubricating device (7) comprises a frame body (71), a compression cylinder (72), a piston (73), an oil inlet pipe (74), a one-way valve (75), an oil outlet pipe (76), a connecting block (77), a second fixing block (78) and a spray head (79), wherein the frame body (71) is installed at the top of the transverse plate (4), the compression cylinder (72) is installed on the right side of the inner bottom of the frame body (71), the piston (73) is arranged in the compression cylinder (72), the piston (73) is in sliding fit with the compression cylinder (72), the middle of the top of the piston (73) is connected with the bottom end of the movable rod (66), the lower part of the left side of the compression cylinder (72) is connected with the oil inlet pipe (74), the oil inlet pipe (74) is communicated with the compression cylinder (72), the lower part of the right side of the compression cylinder (72) is connected with the oil outlet pipe (76), the oil outlet pipe (76) is communicated with the compression cylinder (72), the oil, the lower part of the left side surface of the support plate (2) is provided with a connecting block (77), the upper part of the front side of the movable rod (66) is provided with a second fixed block (78), the oil outlet pipe (76) is connected with the connecting block (77) and the second fixed block (78), the tail end of the oil outlet pipe (76) is provided with a spray head (79), the spray head (79) is communicated with the oil outlet pipe (76), and the spray head (79) is positioned above the pulley (610).
2. The mechanical metal elastic sheet fatigue strength testing equipment according to claim 1, further comprising a clamping seat (8), a stop block (9), a 7-type rod (10) and a screen plate (11), wherein the clamping seat (8) is installed in the middle of the bottom in the frame body (71), the screen plate (11) is arranged in the clamping seat (8), the 7-type rod (10) is installed at the top of the screen plate (11), the stop block (9) is installed on the left side of the top of the oil inlet pipe (74), and the 7-type rod (10) is in contact with the stop block (9).
3. The fatigue strength testing equipment for metal shrapnel of a machine as claimed in claim 2, further comprising a guide wheel (12), wherein the guide wheel (12) is installed on the lower portion of the right side surface of the supporting leg (3), and the guide wheel (12) is located on the right side of the placing block (55).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711211238.9A CN108051297B (en) | 2017-11-28 | 2017-11-28 | Mechanical metal elastic sheet fatigue strength testing equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711211238.9A CN108051297B (en) | 2017-11-28 | 2017-11-28 | Mechanical metal elastic sheet fatigue strength testing equipment |
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| CN108051297A CN108051297A (en) | 2018-05-18 |
| CN108051297B true CN108051297B (en) | 2020-06-12 |
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| CN201711211238.9A Active CN108051297B (en) | 2017-11-28 | 2017-11-28 | Mechanical metal elastic sheet fatigue strength testing equipment |
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| CN201653834U (en) * | 2010-01-25 | 2010-11-24 | 广州市驷雄五金有限公司 | Full-automatic anti-fatigue tester based on metal dome |
| US9354136B1 (en) * | 2013-07-10 | 2016-05-31 | Invocon, Inc. | Method for determination of multiple shrapnel hits on a ballistic target threat |
| CN106018148B (en) * | 2016-07-28 | 2018-10-02 | 中航工业哈尔滨轴承有限公司 | A kind of high-speed friction tester |
| CN106481957B (en) * | 2016-11-29 | 2018-05-08 | 海汇新能源汽车有限公司 | A kind of pilotless automobile parts oiling lubricating utensil |
| CN106769566B (en) * | 2016-12-12 | 2019-04-09 | 成都姜业光电科技有限公司 | Elastic slice method for testing fatigue |
| CN106923446A (en) * | 2017-05-09 | 2017-07-07 | 邱艳 | A kind of shoes make processing sole press equipment |
| CN107157021A (en) * | 2017-06-27 | 2017-09-15 | 李海兵 | One kind is glued pressure bottom splicing face fast extrusion device |
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