CN115979854A - Metal material bending fatigue degree testing arrangement - Google Patents
Metal material bending fatigue degree testing arrangement Download PDFInfo
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- CN115979854A CN115979854A CN202310260519.2A CN202310260519A CN115979854A CN 115979854 A CN115979854 A CN 115979854A CN 202310260519 A CN202310260519 A CN 202310260519A CN 115979854 A CN115979854 A CN 115979854A
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Abstract
The invention discloses a metal material bending fatigue degree testing device, which relates to the technical field of metal processing and comprises a metal plate fixing mechanism, wherein the metal plate fixing mechanism comprises a sliding seat, the sliding seat is fixedly arranged on a base, a sliding frame is slidably arranged on the sliding seat, a spring is fixedly arranged on the sliding seat, the spring is fixedly connected with the sliding frame, an upper rack is fixedly arranged on the sliding frame, a lower rack is fixedly arranged on the sliding frame, a rotating rod is rotatably arranged on the base, a lower gear is fixedly arranged on the rotating rod, the lower gear and the lower rack form gear-rack fit, an upper gear is rotatably arranged on the lower gear, a right rotating plate is fixedly arranged on the upper gear, a left rotating plate is fixedly arranged on the lower gear, screw seats are fixedly arranged on the left rotating plate and the right rotating plate, a bidirectional screw is rotatably arranged on the screw seats, and a first clamping plate and a second clamping plate are slidably arranged on the screw seats. The invention can respectively fix the two ends and the center of the metal plate and repeatedly bend the metal plate, thereby testing the bending fatigue.
Description
Technical Field
The invention relates to the technical field of metal processing, in particular to a device for testing bending fatigue of a metal material.
Background
In the research process of the metal material, various properties of the metal material need to be detected, wherein one of the detection items is common in the bending fatigue fracture test. The metal material bending fatigue testing device can achieve the purpose of performing multiple bending tests on the metal plate, and meanwhile labor cost can be saved, and efficiency is improved.
The utility model discloses a chinese utility model patent that publication number is CN216728946U discloses a metal material bending apparatus, including the base, be provided with fixed organism and activity organism on the base, activity organism is located fixed organism top, is provided with first commentaries on classics roller and second commentaries on classics roller on the fixed organism, is provided with the third on the activity organism and changes the roller, and activity organism and base are connected through first elevating system, and activity organism and third commentaries on classics roller pass through the connection of second elevating system. Although the device can ensure the precision of the bending curvature and is convenient for the metal material to be fed quickly, the device cannot respectively fix the two ends and the center of the metal plate and repeatedly bend the metal plate, thereby testing the bending fatigue degree.
Disclosure of Invention
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: a metal material bending fatigue testing device comprises a base and a metal plate fixing mechanism, wherein the metal plate fixing mechanism is fixedly installed on the base.
The metal plate fixing mechanism comprises a sliding seat, the sliding seat is fixedly installed on a base, a sliding seat is installed on the sliding seat in a sliding mode, a spring is fixedly installed on the sliding seat, an upper rack is fixedly installed on the sliding seat, a lower rack is fixedly installed on the sliding seat, a rotating rod is installed on the base in a rotating mode, a lower gear is fixedly installed on the rotating rod, the lower gear and the lower rack form a gear-rack fit, an upper gear is installed on the lower gear in a rotating mode, the upper gear and the upper rack form a gear-rack fit, a right rotating plate is fixedly installed on the upper gear, a left rotating plate is fixedly installed on the lower gear, the left rotating plate and the right rotating plate are rotatably connected, a screw seat is fixedly installed on the left rotating plate and the right rotating plate, a two-way screw is installed on the screw seat in a rotating mode, a transverse handle wheel is fixedly installed on the two-way screw, a first clamping plate and a second clamping plate are installed on the screw seat in a sliding mode, the first clamping plate and the second clamping plate are used for fixing the metal plate, the first clamping plate and the two-way screw are in a screw thread fit, the second clamping plate and the back end of the two-way screw is in a thread fit, a center handle plate, a center plate shape is installed on the left rotating plate.
Furthermore, a longitudinal handle wheel is rotatably installed on the second clamping plate, a lifting clamping plate is slidably installed on the second clamping plate, a sub-sliding plate is slidably installed on the lifting clamping plate and is slidably connected with the first clamping plate, and the longitudinal handle wheel and the lifting clamping plate form threaded fit.
The bending counting mechanism comprises a chute seat, the chute seat is fixedly installed on the right rotating plate, a counting base is fixedly installed on the base, a sliding rack is installed on the counting base in a sliding mode, a slider rod is fixedly installed on the sliding rack, the front end of the slider rod is connected with a sliding chute of the chute seat in a sliding mode, an inner ratchet wheel is installed on the counting base in a rotating mode, an outer gear is installed on the inner ratchet wheel in a rotating mode, the outer side of the outer gear is matched with the sliding rack in a gear-rack mode, the inner side of the outer gear is matched with the inner ratchet wheel in a gear-rack mode, a connecting gear is fixedly installed on the inner ratchet wheel, a first-level counting wheel is installed on the counting base in a rotating mode, a reading number is arranged on the first-level counting wheel, protruding rods are arranged on two sides of the first-level counting wheel, the number proportion of the protruding rods on the two sides of the first-level counting wheel is ten to one, the protruding rods on the two sides of the first-level counting wheel are evenly arranged, the protruding rods on the front end of the first-level counting wheel are matched with the connecting gear, a variable-speed wheel, a second-level counting wheel is installed on the counting base in a rotating mode, the second-level counting wheel is the same as the shape of the first-level counting wheel, the rear-level counting wheel, the variable speed wheel, the rear-level counting wheel is matched with the rear-level counting wheel, and the front end of the variable speed variable-level counting wheel.
Further, the variable-speed wheel and the secondary counting wheel are arranged in at least one group on the counting base.
The frequency changing mechanism comprises a support, a power motor is fixedly mounted on the support, a middle gear is fixedly mounted on an output shaft of the power motor, a large gear is fixedly mounted on the middle gear, a small gear is fixedly mounted on the large gear, a medium-speed upper gear is rotatably mounted on the support, a high-speed upper gear is rotatably mounted on the support, a low-speed upper gear is rotatably mounted on the support, the medium-speed upper gear and the middle gear form gear fit, the high-speed upper gear and the large gear form gear fit, the low-speed upper gear and the small gear form gear fit, a medium-speed lower gear is rotatably mounted on the support, a medium-speed belt is mounted on the medium-speed lower gear and the medium-speed upper gear, a high-speed lower gear is rotatably mounted on the support, a high-speed belt is mounted on the high-speed lower gear and the high-speed upper gear, a low-speed belt is mounted on the low-speed lower gear and the low-speed upper gear, a sliding seat is fixedly mounted on the base, a sliding motor is fixedly mounted on the sliding seat, a sliding screw is fixedly mounted on an output shaft of the sliding motor, a sliding seat, the sliding rack forms thread fit with the sliding screw, a sliding rack, a sliding cam is rotatably mounted on the sliding gear, and a sliding rack forms a sliding carriage, wherein the sliding gear or a sliding cam forms a sliding carriage.
Further, still include bending angle mechanism, bending angle mechanism includes the horizontal seat, horizontal seat fixed mounting is on the base, fixed mounting has the angle motor on the horizontal seat, fixed mounting has input bevel gear on the output shaft of angle motor, fixed mounting has vertical seat on the horizontal seat, rotate on the vertical seat and install vertical screw rod, fixed mounting has output bevel gear on the vertical screw rod, output bevel gear forms the gear cooperation with input bevel gear, slidable mounting has the slider on the vertical seat, install the slide bar on the horizontal seat, slidable mounting has adjusting block on the slide bar, slidable mounting has the connecting rod on the adjusting block, the connecting rod rotates with the slider to be connected.
Furthermore, a horizontal screw rod is fixedly mounted on an output shaft of the angle motor, the horizontal screw rod and the slide rod form thread fit, the slide rod is slidably mounted on the horizontal seat, the adjusting slide block is connected with the connecting rod in front of the spherical pair, and the slide block is connected with the connecting rod in front of the spherical pair.
Compared with the prior art, the invention has the beneficial effects that: (1) The metal plate fixing mechanism can respectively fix the two ends and the center of the metal plate and repeatedly bend the metal plate, so that the bending fatigue degree is tested; (2) The bending counting mechanism can count the bending times, and is convenient for calculating the bending fatigue degree; (3) The bending angle mechanism can set the bending angle, and is convenient to calculate the bending fatigue; (4) The frequency changing mechanism can change the frequency of repeatedly bending the metal plate and test the bending fatigue of the metal plate material under different conditions.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of the metal plate fixing mechanism of the present invention.
Fig. 3 is a schematic view of a sliding rack according to the present invention.
Fig. 4 is a schematic view of an external gear of the present invention.
FIG. 5 is a schematic view of a bending counter according to the present invention.
Fig. 6 is a schematic position diagram of the frequency changing mechanism of the present invention.
Fig. 7 is a schematic diagram of a frequency changing mechanism of the present invention.
Fig. 8 is a schematic view of the position of the bending angle mechanism of the present invention.
Fig. 9 is a schematic view of the bend angle mechanism of the present invention.
Fig. 10 is a schematic view of the internal structure of the bending angle mechanism of the present invention.
Reference numerals: 1-a base; 2-a slide seat; 3-a spring; 4-a carriage; 5, upper racks; 6-lower rack; 7-rotating the rod; 8-lower gear; 9-upper gear; 10-a right turn plate; 11-left turn plate; 12-a screw seat; 13-a transverse handle wheel; 14-a bidirectional screw; 15-a first splint; 16-a second splint; 17-a longitudinal handle wheel; 18-lifting splints; 19-a central handle wheel; 20-a central splint; 21-a chute base; 22-a slider rod; 23-a sliding rack; 24-an external gear; 25-counting the base; 26-inner ratchet wheel; 27-connecting gear; 28-first order counting wheel; 29-a gearbox wheel; 30-a secondary counting wheel; 31-a support; 32-a power motor; 33-middle gear; 34-a bull gear; 35-pinion gear; 36-medium speed upper gear; 37-high speed upper gear; 38-low speed upper gear; 39-middle speed lower gear; 40-medium speed belt; 41-high speed lower gear; 42-high speed belt; 43-low speed lower gear; 44-a low speed belt; 45-a sliding seat; 46-a slip motor; 47-sliding screw; 48-a sliding frame; 49-a slipping gear; 50-a cam; 51-horizontal seat; 52-horizontal screw; 53-angle motor; 54-input bevel gear; 55-vertical seat; 56-output bevel gear; 57-vertical screw; 58-a slide block; 59-a slide bar; 60-adjusting the slide block; 61-connecting rod.
Detailed Description
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
The embodiment is as follows: the utility model provides a metal material bending fatigue degree testing arrangement, includes base 1 and metal sheet fixed establishment, metal sheet fixed establishment fixed mounting is on base 1.
The metal plate fixing mechanism comprises a sliding seat 2, the sliding seat 2 is fixedly installed on a base 1, a sliding seat 4 is installed on the sliding seat 2 in a sliding mode, a spring 3 is fixedly installed on the sliding seat 2, the spring 3 is fixedly connected with the sliding seat 4, an upper rack 5 is fixedly installed on the sliding seat 4, a lower rack 6 is fixedly installed on the sliding seat 4, a rotating rod 7 is installed on the base 1 in a rotating mode, a lower gear 8 is fixedly installed on the rotating rod 7, the lower gear 8 and the lower rack 6 form a gear-rack fit, an upper gear 9 is installed on the lower gear 8 in a rotating mode, the upper gear 9 and the upper rack 5 form a gear-rack fit, a right rotating plate 10 is fixedly installed on the upper gear 9, a left rotating plate 11 is fixedly installed on the lower gear 8, the left rotating plate 11 and a right rotating plate 10 are rotatably connected, a screw seat 12 is fixedly installed on the left rotating plate 11 and the right rotating plate 10, a bidirectional screw 14 is installed on the screw seat 12 in a rotating mode, a transverse screw 13 is fixedly installed on the bidirectional screw 14, a first clamping plate 15 and a second clamping plate 16 are installed on the handle, the first clamping plate 15 and the second clamping plate 16 are used for fixing the metal plate, the first clamping plate and the second clamping plate 15 and the front clamping plate and the left rotating plate form a bidirectional screw thread fit, a left clamping plate 19, the left clamping plate 19 and the left clamping plate 11. The sliding frame 4 slides on the sliding seat 2 in a reciprocating manner, moves and returns through the spring 3, the sliding frame 4 drives the upper rack 5 and the lower rack 6 to move, the upper rack 5 moves to drive the upper gear 9 to rotate, the lower rack 6 drives the lower gear 8 to rotate, the rotating directions of the lower gear 8 and the upper gear 9 are opposite, the lower gear 8 drives the left rotating plate 11 to rotate, and the upper gear 9 drives the right rotating plate 10 to rotate; the transverse handle wheel 13 is manually rotated, the transverse handle wheel 13 drives the bidirectional screw rod 14 to rotate, the bidirectional screw rod 14 drives the first clamping plate 15 and the second clamping plate 16 to move, the moving directions of the first clamping plate 15 and the second clamping plate 16 are opposite, the first clamping plate 15 and the second clamping plate 16 clamp one end of the metal plate, and the screw rod seat 12, the first clamping plate 15 and the second clamping plate 16 arranged on the right rotating plate 10 clamp the other end of the metal plate; hand central handle wheel 19, central handle wheel 19 spiral rotation downwards, central handle wheel 19 drives central splint 20 and moves down and carry out the fixed clamp in the middle of with the metal sheet tightly, and central handle wheel 19 contacts with the side of metal sheet, drives the metal sheet both ends and rotates to the center when turning to the board 10 on the right side and turning to the left 11, and the centre of metal sheet is fixed in central handle wheel 19 department to carry out reciprocal bending with the metal sheet, thereby carry out bending fatigue degree test.
A longitudinal handle wheel 17 is rotatably arranged on the second clamping plate 16, a lifting clamping plate 18 is slidably arranged on the second clamping plate 16, a sub-sliding plate is slidably arranged on the lifting clamping plate 18 and is slidably connected with the first clamping plate 15, and the longitudinal handle wheel 17 is in threaded fit with the lifting clamping plate 18. Hand vertical handle wheel 17 drives lift splint 18 and moves down, presss from both sides tightly the metal sheet from top to bottom, guarantees the high fixed of metal sheet, prevents angle distortion when buckling, and when first splint 15 removed with second splint 16, the sub-slide of lift splint 18 also slided on lift splint 18, and when lift splint 18 moved down, the sub-slide slided on first splint 15.
The bending counting mechanism comprises a chute seat 21, the chute seat 21 is fixedly arranged on the right rotating plate 10, a counting base 25 is fixedly arranged on the base 1, a sliding rack 23 is arranged on the counting base 25 in a sliding way, a sliding head rod 22 is fixedly arranged on the sliding rack 23, the front end of the sliding head rod 22 is connected with the chute of the chute seat 21 in a sliding way, an inner ratchet wheel 26 is arranged on the counting base 25 in a rotating way, an outer gear 24 is arranged on the inner ratchet wheel 26 in a rotating way, the outer side of the outer gear 24 forms gear-rack fit with the sliding rack 23, the inner side of the outer gear 24 forms fit with the inner ratchet wheel 26, a connecting gear 27 is fixedly arranged on the inner ratchet wheel 26, count and rotate on the base 25 and install one-level counting wheel 28, be provided with the reading on the one-level counting wheel 28, the both sides of one-level counting wheel 28 are provided with the nose bar, the nose bar quantity proportion of one-level counting wheel 28 both sides is ten to one, and the nose bar of one-level counting wheel 28 both sides evenly arranges, the front end nose bar of one-level counting wheel 28 forms the cooperation with connecting gear 27, rotate on the count base 25 and install change-speed gear 29, rotate on the count base 25 and install second grade counting wheel 30, second grade counting wheel 30 is the same with the shape size of one-level counting wheel 28, change-speed gear 29 forms the cooperation with the rear end nose bar of one-level counting wheel 28, the front end nose bar and the change-speed gear 29 of second grade counting wheel 30 form the cooperation. The right rotating plate 10 rotates to drive the sliding groove seat 21 to rotate, the sliding groove seat 21 drives the sliding head rod 22 to move, the sliding head rod 22 drives the sliding rack 23 to move, the sliding rack 23 moves to drive the outer gear 24 to rotate, the sliding frame 4 slides on the base 1 in a reciprocating mode to drive the right rotating plate 10 to swing in a reciprocating mode, the right rotating plate 10 drives the sliding groove seat 21 to swing in a reciprocating mode, the sliding groove seat 21 drives the sliding head rod 22 to slide in a reciprocating mode, the sliding rack 23 moves in a reciprocating mode to drive the outer gear 24 to rotate in a reciprocating mode, the outer gear 24 rotates in a reciprocating mode and is transmitted to the inner ratchet 26 to drive the inner ratchet 26 to rotate intermittently, the inner ratchet 26 drives the connecting gear 27 to rotate in a single mode, the connecting gear 27 drives the primary counting wheel 28 to rotate, when the sliding frame 4 completes one reciprocating motion, the primary counting wheel 28 rotates one scale, the primary counting wheel 28 rotates intermittently to drive the variable-speed wheel 29 to drive the secondary counting wheel 30 to rotate, and the primary counting wheel 28 rotates one scale every ten digits in a whole circle to complete counting.
The change wheel 29 and the secondary counting wheel 30 are arranged in at least one set on the counting base 25. The number of counts is increased by one more count for each set of gearbox wheel 29 and secondary counter wheel 30.
The frequency changing mechanism comprises a support 31, a power motor 32 is fixedly mounted on the support 31, a middle gear 33 is fixedly mounted on an output shaft of the power motor 32, a large gear 34 is fixedly mounted on the middle gear 33, a small gear 35 is fixedly mounted on the large gear 34, a middle speed upper gear 36 is rotatably mounted on the support 31, a high speed upper gear 37 is rotatably mounted on the support 31, a low speed upper gear 38 is rotatably mounted on the support 31, the middle speed upper gear 36 forms gear fit with the middle gear 33, the high speed upper gear 37 forms gear fit with the large gear 34, the low speed upper gear 38 forms gear fit with the small gear 35, a middle speed lower gear 39 is rotatably mounted on the support 31, a middle speed belt 40 is mounted on the middle speed upper gear 39, a high speed lower gear 41 is rotatably mounted on the support 31, a high speed belt 42 is mounted on the high speed lower gear 41 and the high speed upper gear 37, a low speed lower gear 43 is rotatably mounted on the support 31, a low speed lower gear 43 and a low speed upper gear 38 are mounted on the support 31, a sliding rack 44 is fixedly mounted on which slides on the base 1, a sliding seat 45, a sliding motor 46 is fixedly mounted on the sliding seat 45, a sliding motor 46 is mounted on the sliding rack 48, a sliding rack 48 which slides on which slides along with a sliding rack 50, a sliding rack 50 which forms a sliding rack 50, a sliding rack 50 which slides along with a sliding rack 50, and a sliding rack 50 which forms a sliding rack 50. The power motor 32 is started to drive the middle gear 33 to rotate, the middle gear 33 drives the large gear 34 to rotate, the large gear 34 drives the small gear 35 to rotate, the middle gear 33 drives the medium-speed upper gear 36 to rotate, the large gear 34 drives the high-speed upper gear 37 to rotate, the small gear 35 drives the low-speed upper gear 38 to rotate, the medium-speed upper gear 36 drives the medium-speed lower gear 39 to rotate through the medium-speed belt 40, the high-speed upper gear 37 drives the high-speed lower gear 41 to rotate through the high-speed belt 42, and the low-speed upper gear 38 drives the low-speed lower gear 43 to rotate through the low-speed belt 44; the sliding motor 46 is started to drive the sliding screw 47 to rotate, the sliding screw 47 drives the sliding frame 48 to slide on the sliding seat 45, the sliding frame 48 drives the sliding gear 49 to move, the sliding gear 49 moves to different positions and forms gear fit with one of the middle-speed lower gear 39, the high-speed lower gear 41 and the low-speed lower gear 43, the number of teeth of the pinion gear 35, the middle gear 33 and the large gear 34 is sequentially increased, the rotating speeds of the low-speed lower gear 43, the middle-speed lower gear 39 and the high-speed lower gear 41 are sequentially increased, the sliding gear 49 moves to different positions to obtain different rotating speeds, the sliding gear 49 drives the cam 50 to rotate, the rotating speeds of the cam 50 are different, the frequencies of the sliding frame 4 for pushing the sliding frame 4 are different, and the sliding frame 4 controls the metal plate fixing mechanism to repeatedly bend the metal plate on the base 1.
Still include bending angle mechanism, bending angle mechanism includes horizontal seat 51, horizontal seat 51 fixed mounting is on base 1, fixed mounting has angle motor 53 on horizontal seat 51, fixed mounting has input bevel gear 54 on angle motor 53's the output shaft, fixed mounting has vertical seat 55 on horizontal seat 51, rotating mounting has vertical screw 57 on the vertical seat 55, fixed mounting has output bevel gear 56 on the vertical screw 57, output bevel gear 56 forms the gear fit with input bevel gear 54, sliding mounting has slider 58 on the vertical seat 55, install slide bar 59 on the horizontal seat 51, sliding mounting has adjusting block 60 on slide bar 59, rotating mounting has connecting rod 61 on adjusting block 60, connecting rod 61 rotates with slider 58 to be connected. The angle motor 53 is started to drive the input bevel gear 54 to rotate, the input bevel gear 54 rotates to drive the output bevel gear 56 to rotate, the output bevel gear 56 drives the vertical screw 57 to rotate, the vertical screw 57 drives the sliding block 58 to slide downwards, the sliding block 58 pushes the connecting rod 61, the connecting rod 61 pushes the adjusting sliding block 60 to slide on the sliding rod 59, a fixed distance is kept between the adjusting sliding blocks 60 at two ends of adjustment, the screw seats 12 on the right-turn plate 10 and the left-turn plate 11 move to be in contact with the adjusting sliding blocks 60, the distance between the two adjusting sliding blocks 60 is determined, the rotating angles of the right-turn plate 10 and the left-turn plate 11 can be calculated, and therefore the bending angle is set.
The output shaft of the angle motor 53 is fixedly provided with a horizontal screw 52, the horizontal screw 52 and a sliding rod 59 form threaded fit, the sliding rod 59 is slidably arranged on the horizontal seat 51, an adjusting slide block 60 is connected with the front part of a connecting rod 61 in a spherical pair manner, and a slide block 58 is connected with the connecting rod 61 in a spherical pair manner. The angle motor 53 starts to drive the horizontal screw 52 to rotate, the horizontal screw 52 drives the sliding rod 59 to slide on the horizontal seat 51, the adjusting slide block 60 and the connecting rod 61 rotate through a spherical pair during sliding, the slide block 58 and the connecting rod 61 rotate through a spherical pair, when the two adjusting slide blocks 60 slide on the sliding rod 59, the sliding rod 59 also slides on the horizontal seat 51, thereby ensuring that the metal plate is bent, the adjusting slide block 60 is also close to or far away from the metal plate, the front and back distance errors of different bending angles are compensated, and further ensuring that the screw seats 12 on the right rotating plate 10 and the left rotating plate 11 can touch the two adjusting slide blocks 60, thereby controlling the bending angle of the metal plate.
Claims (7)
1. The utility model provides a metal material bending fatigue degree testing arrangement, includes base (1) and metal sheet fixed establishment, metal sheet fixed establishment fixed mounting on base (1), its characterized in that:
the metal plate fixing mechanism comprises a sliding seat (2), the sliding seat (2) is fixedly installed on a base (1), a sliding frame (4) is installed on the sliding seat (2) in a sliding mode, a spring (3) is fixedly installed on the sliding seat (2), the spring (3) is fixedly connected with the sliding frame (4), an upper rack (5) is fixedly installed on the sliding frame (4), a lower rack (6) is fixedly installed on the sliding frame (4), a rotating rod (7) is installed on the base (1) in a rotating mode, a lower gear (8) is fixedly installed on the rotating rod (7), the lower gear (8) forms gear-rack fit with the lower rack (6), an upper gear (9) is installed on the lower gear (8) in a rotating mode, the upper gear (9) forms gear-rack fit with the upper rack (5), a right rotating plate (10) is fixedly installed on the upper gear (9), a left rotating plate (11) is fixedly installed on the lower gear (8), the left rotating plate (11) is rotatably connected with the right rotating plate (10), a left rotating plate (11) is fixedly installed on the left rotating plate (11) and the right rotating plate (10), a screw seat (12) is fixedly installed on the left rotating plate (11) and the right rotating plate (10), a second rotating plate (14) and a transverse clamping plate (14) is installed on the upper screw plate (14), a transverse clamping plate (16) and a transverse clamping plate (13), first splint (15) and second splint (16) are used for fixed metal sheet, and first splint (15) and two-way screw rod (14) front end form screw-thread fit, and second splint (16) form screw-thread fit with the rear end of two-way screw rod (14), installs central handle wheel (19) on the board (11) of turning left, and central handle wheel (19) form screw-thread fit with board (11) of turning left, and fixed mounting has central splint (20) on central handle wheel (19).
2. The metal material bending fatigue testing device according to claim 1, wherein: a longitudinal handle wheel (17) is rotatably mounted on the second clamping plate (16), a lifting clamping plate (18) is slidably mounted on the second clamping plate (16), a sub-sliding plate is slidably mounted on the lifting clamping plate (18), the sub-sliding plate is slidably connected with the first clamping plate (15), and the longitudinal handle wheel (17) is in threaded fit with the lifting clamping plate (18).
3. The metal material bending fatigue testing device according to claim 2, wherein: the bending counting mechanism comprises a chute seat (21), the chute seat (21) is fixedly installed on a right rotating plate (10), a counting base (25) is fixedly installed on a base (1), a sliding rack (23) is installed on the counting base (25) in a sliding mode, a sliding head rod (22) is fixedly installed on the sliding rack (23), the front end of the sliding head rod (22) is in sliding connection with a chute of the chute seat (21), an inner ratchet wheel (26) is installed on the counting base (25) in a rotating mode, an outer gear (24) is installed on the inner ratchet wheel (26) in a rotating mode, the outer side of the outer gear (24) forms gear-rack fit with the sliding rack (23), the inner side of the outer gear (24) forms fit with the inner ratchet wheel (26), a connecting gear (27) is installed on the inner ratchet wheel (26) in a rotating mode, a first-level counting wheel (28) is installed on the counting base (25) in a rotating mode, a reading is arranged on the first-level counting wheel (28), protruding rods are arranged on two sides of the first-level counting wheel (28), the first-level counting wheel (28) is in a first-level counting wheel (28) in a second-level rotating mode, the second-level counting wheel (30) is arranged on the counting base (25) in a second-level rotating mode, the shape and size of the secondary counting wheel (30) are the same as those of the primary counting wheel (28), the speed change wheel (29) is matched with a convex rod at the rear end of the primary counting wheel (28), and a convex rod at the front end of the secondary counting wheel (30) is matched with the speed change wheel (29).
4. A metal material bending fatigue testing apparatus according to claim 3, wherein: the variable-speed wheel (29) and the secondary counting wheel (30) are arranged in at least one group on the counting base (25).
5. The metal material bending fatigue testing device according to claim 4, wherein: the frequency changing mechanism comprises a support (31), a power motor (32) is fixedly mounted on the support (31), a middle gear (33) is fixedly mounted on an output shaft of the power motor (32), a large gear (34) is fixedly mounted on the middle gear (33), a small gear (35) is fixedly mounted on the large gear (34), an intermediate-speed upper gear (36) is rotatably mounted on the support (31), a high-speed upper gear (37) is rotatably mounted on the support (31), a low-speed upper gear (38) is rotatably mounted on the support (31), the intermediate-speed upper gear (36) forms gear fit with the middle gear (33), the high-speed upper gear (37) forms gear fit with the large gear (34), the low-speed upper gear (38) forms gear fit with the small gear (35), an intermediate-speed lower gear (39) is rotatably mounted on the support (31), an intermediate-speed belt (40) is mounted on the intermediate-speed lower gear (39) and the intermediate-speed upper gear (36), a high-speed lower gear (41) is rotatably mounted on the support (31), a high-speed upper gear (41) and a low-speed lower gear (43) is mounted on the support (31), a low-speed lower gear (43) and a low-speed lower gear (43) is mounted on the support (43), fixed mounting has seat (45) that slides on base (1), fixed mounting has motor (46) that slides on seat (45) that slides, fixed mounting has screw rod (47) that slides on the output shaft of motor (46) that slides, slidable mounting has frame (48) that slides on seat (45) that slides, frame (48) that slides forms screw-thread fit with screw rod (47) that slides, it has cam (50) to rotate on frame (48) that slides, fixed mounting has sliding gear (49) on cam (50), sliding gear (49) and intermediate speed lower gear (39), gear (43) form gear cooperation under high-speed lower gear (41) or the low-speed, cam (50) form the cooperation with balladeur train (4).
6. The metal material bending fatigue testing device according to claim 5, wherein: still include bending angle mechanism, bending angle mechanism includes horizontal seat (51), horizontal seat (51) fixed mounting is on base (1), fixed mounting has angle motor (53) on horizontal seat (51), fixed mounting has input bevel gear (54) on the output shaft of angle motor (53), fixed mounting has vertical seat (55) on horizontal seat (51), rotatable mounting has vertical screw rod (57) on vertical seat (55), fixed mounting has output bevel gear (56) on vertical screw rod (57), output bevel gear (56) and input bevel gear (54) form the gear cooperation, slidable mounting has slider (58) on vertical seat (55), install slide bar (59) on horizontal seat (51), slidable mounting has adjusting block (60) on slide bar (59), rotatable mounting has connecting rod (61) on adjusting block (60), connecting rod (61) and slider (58) are rotated and are connected.
7. The metal material bending fatigue testing device according to claim 6, wherein: a horizontal screw rod (52) is fixedly installed on an output shaft of the angle motor (53), the horizontal screw rod (52) and a sliding rod (59) form threaded fit, the sliding rod (59) is installed on a horizontal seat (51) in a sliding mode, a spherical pair is connected in front of an adjusting sliding block (60) and a connecting rod (61), and the sliding block (58) and the connecting rod (61) are connected through the spherical pair.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310260519.2A CN115979854B (en) | 2023-03-17 | 2023-03-17 | Bending fatigue testing device for metal material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310260519.2A CN115979854B (en) | 2023-03-17 | 2023-03-17 | Bending fatigue testing device for metal material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115979854A true CN115979854A (en) | 2023-04-18 |
| CN115979854B CN115979854B (en) | 2023-07-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN202310260519.2A Active CN115979854B (en) | 2023-03-17 | 2023-03-17 | Bending fatigue testing device for metal material |
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| JP2000121524A (en) * | 1998-10-16 | 2000-04-28 | Haadeikku:Kk | Plane bending fatigue-testing device |
| RU91014U1 (en) * | 2009-09-28 | 2010-01-27 | Игорь Юрьевич Андросов | DEVICE FOR PROFILING AND FLEXIBLE METAL STRIP |
| JP2011089862A (en) * | 2009-10-22 | 2011-05-06 | Mitsubishi Heavy Ind Ltd | Bending fatigue testing device |
| CN107976371A (en) * | 2018-01-24 | 2018-05-01 | 中国石油工程建设有限公司 | Curved straight fatigue experimental device and test method based on strain controlling |
| CN210604218U (en) * | 2019-09-20 | 2020-05-22 | 天津市首通工程检测技术有限公司 | Metal material elongation rate detection positioning device |
| CN112517694A (en) * | 2020-11-17 | 2021-03-19 | 张君 | Metal bending equipment |
| CN213209698U (en) * | 2020-08-18 | 2021-05-14 | 绍兴市上虞区理工高等研究院 | Rotary bending fatigue testing machine |
| CN113049389A (en) * | 2021-03-29 | 2021-06-29 | 安徽电缆股份有限公司 | Anti detection device that tears of safe type flexible cable for naval vessel |
| CN114112725A (en) * | 2021-11-25 | 2022-03-01 | 奇瑞商用车（安徽）有限公司 | Wiring harness bending performance testing device |
| CN216633834U (en) * | 2021-11-18 | 2022-05-31 | 广东钡瑞家具制造有限公司 | Furniture processing is with plank curve processing equipment |
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2023
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Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000121524A (en) * | 1998-10-16 | 2000-04-28 | Haadeikku:Kk | Plane bending fatigue-testing device |
| RU91014U1 (en) * | 2009-09-28 | 2010-01-27 | Игорь Юрьевич Андросов | DEVICE FOR PROFILING AND FLEXIBLE METAL STRIP |
| JP2011089862A (en) * | 2009-10-22 | 2011-05-06 | Mitsubishi Heavy Ind Ltd | Bending fatigue testing device |
| CN107976371A (en) * | 2018-01-24 | 2018-05-01 | 中国石油工程建设有限公司 | Curved straight fatigue experimental device and test method based on strain controlling |
| CN210604218U (en) * | 2019-09-20 | 2020-05-22 | 天津市首通工程检测技术有限公司 | Metal material elongation rate detection positioning device |
| CN213209698U (en) * | 2020-08-18 | 2021-05-14 | 绍兴市上虞区理工高等研究院 | Rotary bending fatigue testing machine |
| CN112517694A (en) * | 2020-11-17 | 2021-03-19 | 张君 | Metal bending equipment |
| CN113049389A (en) * | 2021-03-29 | 2021-06-29 | 安徽电缆股份有限公司 | Anti detection device that tears of safe type flexible cable for naval vessel |
| CN216633834U (en) * | 2021-11-18 | 2022-05-31 | 广东钡瑞家具制造有限公司 | Furniture processing is with plank curve processing equipment |
| CN114112725A (en) * | 2021-11-25 | 2022-03-01 | 奇瑞商用车（安徽）有限公司 | Wiring harness bending performance testing device |
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| CN115979854B (en) | 2023-07-04 |
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