CN208621411U - A kind of two-way repeated bending fatigue test device of band - Google Patents
A kind of two-way repeated bending fatigue test device of band Download PDFInfo
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- CN208621411U CN208621411U CN201821093593.0U CN201821093593U CN208621411U CN 208621411 U CN208621411 U CN 208621411U CN 201821093593 U CN201821093593 U CN 201821093593U CN 208621411 U CN208621411 U CN 208621411U
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Abstract
The utility model relates to a kind of equipment of the field of test technology, in particular to a kind of two-way repeated bending fatigue test device of band for being less than or equal to 0.8mm thin strip compound bending fatigue life suitable for testing thickness.The two-way repeated bending fatigue test device of band is made of transmission device, carriage, connection lever apparatus, load sample platform, mechanical counter, adjustable piece of dialing.Metal slide frame is driven to carry out left and right reciprocating horizontal motion by transmission device output power, examined metal cold-strip sample is touched by the right metal slide bar of certain angle and metal slide frame and two-way alternating bending occurs, simultaneously, mechanical counter counts cycle-index, realizes the measurement of metal cold-strip compound bending fatigue life.There is the utility model primary experiment can measure the advantages that multiple samples, sample bending angle are easy to adjust, and data intuitive display is accurate, easily operated, practical.
Description
Technical field
The utility model relates to a kind of equipment of the field of test technology, in particular to it is a kind of be suitable for test thickness be less than or
Equal to the two-way repeated bending fatigue test device of band of 0.8mm thin strip compound bending fatigue life.
Background technique
Industrial power sealing device is made with metal cold-strip of the piece by thickness no more than 0.8mm is obturaged.In order to
Guarantee is obturaged piece and is worked orderly without failing, it is desirable that two-way repeated bending fatigue cannot be occurred under service condition by obturaging piece
Fracture.For this purpose, two-way repeated bending fatigue service life of the sheet metal strip of piece under room temperature no-load situation is obturaged in special requirement production
(repeated bending fatigue number) is not less than 30,000 times, and therefore, the two-way repeated bending fatigue number of piece at room temperature is obturaged in test is
An important content of examination before military service use is carried out to piece is obturaged.Then, it needs to design a kind of can test and obturages piece metal
The experimental rig of the two-way repeated bending fatigue number (fatigue life) of thin strip mentions for the long-term safety use of dynamic sealing device
For theoretical foundation and technical support.
It is tired that existing metal steel strap, sheet metal fatigue tester mainly concentrate on test metal plates and strips bend in one direction
The repeated bending fatigue service life under labor service life and loading conditions.As Chinese patent CN203259430U discloses a kind of metal foil steel
Band bend in one direction fatigue experimental device, for testing thin steel strip bend in one direction fatigue life；CN2706755Y discloses a kind of right
Claim the plane sample bending fatigue tester under cyclic loading, for testing material and plate zero under alternating bending load-up condition
The fatigue behaviour of part.Above-mentioned testing machine is the bend in one direction fatigue experimental device for metal sheet band, and is directed to sheet metal
Bending fatigue testing device under loaded conditions, these fatigue experimental devices are not suitable for obturaging piece band under unloaded condition
Two-way repeated bending fatigue life forecast.Currently, without specially testing metal thin strip cold under unloaded condition
The experimental rig of two-way alternating bending frequency (fatigue life).
Summary of the invention
The purpose of this utility model is the test problem for the two-way repeated bending fatigue performance of metal thin strip cold, is provided
One kind can measure the two-way alternating bending of multiple band samples simultaneously, bending angle is adjustably controlled, is easy to operate, design is closed
Reason, the metal thin strip compound bending fatigue experimental device that experimental data is true and reliable, convenient and practical.
The purpose of this utility model is realized with following technical proposals:
Experimental rig includes transmission device, carriage, connection lever apparatus, load sample platform, mechanical counter, adjustable group
Piece is beaten, the fixing axle on the driving wheel of the transmission device is fixedly connected with the left end rolling bearing for connecting lever apparatus；The cunning
The left metal slide bar of the metal slide frame of dynamic device is fixedly connected with the right end rolling bearing for connecting lever apparatus；The load sample
Platform is vertical with the I-shaped sliding rail of carriage；The adjustable driving dialed piece and be fixed on transmission device by adjustable bolt
The wheel face outer rim of wheel, and contacted with the rotation handle wheel of mechanical counter.
The transmission device includes AC system motor, motor rotating wheel, fixing bolt, driving belt, driving wheel, drive shaft
And its bearing, support frame, wheel shaft fixinig plate, AC system motor are fixed in horizontal table top by fixing bolt, driving wheel center
Drive shaft and its bearing be fixed on support frame by wheel shaft fixinig plate, motor rotating wheel pass through driving belt and driving wheel phase
Even.
The carriage is made of " I " fonts metal sliding rail, fixing screws, metal slide frame, " I " fonts metal
Sliding rail is fixed on the table by fixing screws, and metal slide frame is to pass through welding by the metal slide bar of front, rear, left and right 4
The rectangular frame of composition, forward and backward metal slide bar are placed in respectively in " I " fonts sliding rail slideway.
The connection lever apparatus is had metal tie rods, left fixinig plate, the right fixinig plate structure of rolling bearing by left and right ends
At the left end rolling bearing installation set of metal tie rods passes through a left side in the fixing axle for being located at driving wheel wheel face circumferential edges
Fixinig plate is fixed, wherein fixing axle is welded in the wheel face circumferential edges of driving wheel, the right end rolling bearing installation of metal tie rods
The position among the left metal slide bar of carriage is covered, and is fixed by right fixinig plate.
The load sample platform is by the trapezoidal metal block in two pieces of front and back trapezoidal metal plate, section, fixing screws, multiple samples
Slot, the movable bolt of fixed sample, graduated metal ruler are constituted, and the trapezoidal metal plate in two pieces of front and back and lateral trapezoidal metal block are by solid
Determine screw to be fixed together, be provided with multiple sample slots perpendicular to horizontal table top in the middle part of trapezoidal metal block, sample slot longitudinal section is
" people " font groove is linear type narrow slot above, is below fan groove, and graduated metal ruler is welded to outside metal block, and load sample platform hangs down
Directly on I-shaped sliding rail, and load sample platform is fixed in horizontal table top with movable screw.
The mechanical counter is fixed in horizontal table top, and is contacted with the rotation handle wheel of mechanical counter.
It is described it is adjustable dial piece and mechanical counter rotation handle wheel in the same plane, it is adjustable dial piece along drive
The diametrical direction of driving wheel is adjustable.
Compared with prior art, the utility model has the beneficial effects that the utility model not only solves special test gold
Belong to the problem in strip two-way repeated bending fatigue service life, moreover, the utility model device can be realized simultaneously the double of multiple band samples
Test to repeated bending fatigue number, compared with primary test can only survey the device of a sample, the utility model saves test
Time improves testing efficiency, reduces testing cost, can be in addition, tested band sample compound bending angle can be adjusted
Free control is carried out within the scope of 5 °~30 °, number of bends can accurately calculate, and strip samples applicability is wide, is applicable to
The two-way alternating bending test of metal thin strip in 0.05mm~0.8mm thickness range.Experimental rig design rationally, is easy to grasp
Make, test data is accurate and reliable.
Detailed description of the invention
Fig. 1 is the two-way repeated bending fatigue test device main view of band.
Fig. 2 is connection lever apparatus profilograph.
Fig. 3 is load sample platform sample slot profilograph.
Fig. 4 is band band sample schematic diagram.
In attached drawing: 1- alternating current generator, 2- rotating wheel, 3- fixing bolt, 4- driving belt, 5- driving wheel, 6- drive shaft and
Its bearing, 7- support frame, 8- wheel shaft fixinig plate, 9- horizontal table top, 10- metal sliding rail, 11- fixing screws, 12- sliding frame,
13- metal tie rods, the left end 14- rolling bearing, 15- right end rolling bearing, the left fixinig plate of 16-, the right fixinig plate of 17-, 18- are fixed
The trapezoidal metal plate of axis, 19-, 20- metal block, 21- fixing screws, 22- sample slot, the movable bolt of 23-, 24- graduated metal ruler,
25- screw, 26- mechanical counter, 27- are adjustable to dial piece, 28- rotation handle wheel, 29- adjustable bolt, the tested band of 30-
Sample.
Specific embodiment
Below with reference to the embodiments and with reference to the accompanying drawing being further elaborated explanation to the utility model:
The experimental rig mainly by transmission device, carriage, connection lever apparatus, load sample platform, mechanical counter 26, can
Mode dials the composition of piece 27；The transmission device is by AC system motor 1, motor rotating wheel 2, fixing bolt 3, driving belt 4, drive
Driving wheel 5, drive shaft and its bearing 6, support frame 7, wheel shaft fixinig plate 8 are constituted, and AC system motor 1 is fixed on by fixing bolt 3
In horizontal table top 9, the drive shaft and its bearing 6 at 5 center of driving wheel are fixed on support frame 7 by wheel shaft fixinig plate 8, and motor turns
Driving wheel 2 is connected by driving belt 4 with driving wheel 5；The carriage is by two rows of " I " fonts metals separated by a distance
Sliding rail 10, fixing screws 11, metal slide frame 12 are constituted, and I-shaped metal sliding rail 10 is fixed on desktop by fixing screws 11
On 9, metal slide frame 12 is to pass through the rectangular frame being welded to form by the metal slide bar of front, rear, left and right 4, forward and backward
Metal slide bar is placed in respectively in two rows of I-shaped 10 slideways of sliding rail, can be slid left and right along sliding rail slideway；The company
Extension bar device is made of left and right ends with metal tie rods 13, left fixinig plate 16, the right fixinig plate 17 of rolling bearing, metal
14 installation set of left end rolling bearing of connecting rod 13 passes through left fixation in the fixing axle 18 for being located at 5 circumferential edges of driving wheel
Piece 16 is fixed in fixing axle 18, wherein and fixing axle 18 is the wheel face circumferential edges that driving wheel 5 is welded in by welding manner,
15 installation set of right end rolling bearing of metal tie rods 13 position among the left metal slide bar of carriage, and by right fixation
Piece 17 is fixed, and prevents right end rolling bearing 15 from sliding back and forth on left sliding bar, to keep connection lever apparatus plane and drive
5 periphery of driving wheel is parallel；The load sample platform is by the trapezoidal metal block 20 in two pieces of front and back trapezoidal metal plate 19, section, fixed spiral shell
Nail 21, multiple sample slots 22, the movable bolt 23 of fixed sample 30, graduated metal ruler 24 are constituted, the trapezoidal metal plate in two pieces of front and back
19 are fixed together with lateral trapezoidal metal block 20 by fixing screws 21, and trapezoidal metal block 20 has certain height from horizontal table top 9
Degree, sample slot 22 is slotted in trapezoidal metal block 20 to be made, and 22 longitudinal section of sample slot is " people " font groove, narrow for linear type above
Slot is below fan groove, to form 30 flexural oscillations space of sample for fixing sample 30.Graduated metal ruler 24 is welded to
20 outside of trapezoidal metal block, load sample platform are fixed on load sample platform with movable screw 25 vertically across above I-shaped sliding rail 10
In horizontal table top 9.The mechanical counter 26 is fixed in horizontal table top 9, and the fatigue of strip sample is shown when for testing
Number of bends.Adjustable piece 27 and the mechanical counter 26 dialed rotates handle wheel 28 in the same plane, along driving wheel 5
Diametrical direction, by adjustable bolt 29 it is adjustable it is adjustable dial 27 protruded length of piece, be allowed to and mechanical counter 26
Rotation handle wheel 28 keeps well contacting.
Embodiment 1
As shown in Figure 1, the experimental provision is mainly by transmission device, carriage, connection lever apparatus, load sample platform, mechanical
Counter 26, adjustable piece 27 of dialing form.The alternating current generator 1 of transmission device is the motor containing speed changer；Support driving wheel 5
The support frame 7 of rotation is metallic support；Metal tie rods 13 in connection lever apparatus are parallel to the periphery where driving wheel 5；
Left-right position of the load sample platform on I-shaped metal sliding rail 10 can be adjusted by screw 25, guarantee that load sample platform is in metal slide
The surface of the right metal slide bar of frame 12.Before test, with a thickness of 0.6mm, length is the tested person band sample of 150mm
30 are put into the sample slot 22 of load sample platform, and 30 one end of band sample is fixed on the word above sample slot 22 by movable bolt 23
In shape narrow slot, the other end, that is, free end of band sample 30 passes through the naked leakage of the fan groove below sample slot 22 outside, and and metal
The right metal slide bar of sliding frame 12 keeps good contact to be adjusted referring to the scale of graduated metal ruler 24 by movable bolt 23
The upper-lower height of band sample 30, the control two-way alternating bending angle of band 30 are 15 °.Start alternating current generator 1, driving belt 4
Driving wheel 5 is driven to rotate, 13 left end of metal tie rods and then rotates, and at the same time, 13 right end of metal tie rods drives metal sliding
Dynamic frame 12 carries out left and right in I-shaped metal sliding rail 10 and slides repeatedly, the right metal slide bar of metal slide frame 12 just with
The exposed free end of tested band sample 30 is touched repeatedly, realizes the two-way alternating bending of band sample 30.The every rotation of driving wheel 5
1 circle, the exposed free end of tested band sample 30 is just according to the right gold of preset 15 ° of bending angle and metal slide frame 12
Belong to sliding bar to touch 2 times, to realize tested 30 compound bending of band sample 2 times, at the same time, be fixed on driving wheel 5
It is adjustable dial piece 27 also dial mechanical counter 26 counter rotation handle wheel 28 it is primary, mechanical counter 26 is just aobvious
Show counting 1 time.When alternating current generator 1 drives driving wheel 5 to rotate n circle, mechanical counter 26 with regard to accurate display counting n times, by
Measuring tape material sample 30 is with regard to two-way alternating bending 2n times (fatigue life).
Embodiment 2
As shown in Figure 1, the experimental provision is mainly by transmission device, carriage, connection lever apparatus, load sample platform, mechanical
Counter 26, adjustable piece 27 of dialing form.The alternating current generator 1 of transmission device is the motor containing speed changer；Support driving wheel 5
The support frame 7 of rotation is lazy board；Metal tie rods 13 in connection lever apparatus are parallel to the periphery where driving wheel 5；
Left-right position of the load sample platform on I-shaped metal sliding rail 10 can be adjusted by screw 25, guarantee that load sample platform is in metal slide
The surface of the right metal slide bar of frame 12.Before test, with a thickness of 0.2mm, length is the tested person band sample of 150mm
30 are put into the sample slot 22 of load sample platform, and 30 one end of band sample is fixed on the word above sample slot 22 by movable bolt 23
In shape narrow slot, the other end, that is, free end of band sample 30 passes through the naked leakage of the fan groove below sample slot 22 outside, and and metal
The right metal slide bar of sliding frame 12 keeps good contact to be adjusted referring to the scale of graduated metal ruler 24 by movable bolt 23
The upper-lower height of band sample 30, the control two-way alternating bending angle of band 30 are 30 °.Start alternating current generator 1, driving belt 4
Driving wheel 5 is driven to rotate, 13 left end of metal tie rods and then rotates, and at the same time, 13 right end of metal tie rods drives metal sliding
Dynamic frame 12 carries out left and right in I-shaped metal sliding rail 10 and slides repeatedly, the right metal slide bar of metal slide frame 12 just with
The exposed free end of tested band sample 30 is touched repeatedly, realizes the two-way alternating bending of band sample 30.The every rotation of driving wheel 5
1 circle, the exposed free end of tested band sample 30 is just according to the right gold of preset 30 ° of bending angle and metal slide frame 12
Belong to sliding bar to touch 2 times, to realize tested 30 compound bending of band sample 2 times, at the same time, be fixed on driving wheel 5
It is adjustable dial piece 27 also dial mechanical counter 26 counter rotation handle wheel 28 it is primary, mechanical counter 26 is just aobvious
Show counting 1 time.When alternating current generator 1 drives driving wheel 5 to rotate n circle, mechanical counter 26 with regard to accurate display counting n times, by
Measuring tape material sample 30 is with regard to two-way alternating bending 2n times (fatigue life).
Claims (7)
1. a kind of two-way repeated bending fatigue test device of band, it is characterised in that: experimental rig includes transmission device, sliding dress
It sets, connects lever apparatus, load sample platform, mechanical counter (26), adjustable dials piece (27), the driving wheel of the transmission device
(5) fixing axle (18) on is fixedly connected with the left end rolling bearing (14) for connecting lever apparatus；The metal of the carriage is sliding
The left metal slide bar of dynamic frame (12) is fixedly connected with the right end rolling bearing (15) for connecting lever apparatus；The load sample platform and cunning
The I-shaped sliding rail (10) of dynamic device is vertical；It is described adjustable to dial piece (27) and be fixed on transmission device by adjustable bolt (29)
Driving wheel (5) wheel face outer rim, and contacted with the rotation handle wheel (28) of mechanical counter (26).
2. the two-way repeated bending fatigue test device of band according to claim 1, it is characterised in that: the transmission device
Including AC system motor (1), motor rotating wheel (2), fixing bolt (3), driving belt (4), driving wheel (5), drive shaft and its
Bearing (6), support frame (7), wheel shaft fixinig plate (8), AC system motor (1) are fixed on horizontal table top (9) by fixing bolt (3)
On, the drive shaft and its bearing (6) at driving wheel (5) center are fixed on support frame (7) by wheel shaft fixinig plate (8), and motor turns
Driving wheel (2) is connected by driving belt (4) with driving wheel (5).
3. the two-way repeated bending fatigue test device of band according to claim 1, it is characterised in that: the carriage
By I-shaped sliding rail (10), screw (11), metal slide frame (12), I-shaped sliding rail is fixed on desktop by screw (11)
(9) on, metal slide frame (12) is to pass through the rectangular frame being welded to form by the metal slide bar of front, rear, left and right 4,
Forward and backward metal slide bar is placed in respectively in I-shaped sliding rail slideway.
4. the two-way repeated bending fatigue test device of band according to claim 1, it is characterised in that: the connecting rod dress
It sets, is made of left and right ends with metal tie rods (13), left fixinig plate (16), the right fixinig plate (17) of rolling bearing, metal
Left end rolling bearing (14) installation set of connecting rod (13) be located at driving wheel (5) wheel face circumferential edges fixing axle (18) on,
It is and fixed by left fixinig plate (16), wherein fixing axle (18) is welded in the wheel face circumferential edges of driving wheel (5), metal connection
Right end rolling bearing (15) installation set of bar (13) position among the left metal slide bar of carriage, and by right fixinig plate
(17) it is fixed.
5. the two-way repeated bending fatigue test device of band according to claim 1, it is characterised in that: the load sample platform by
The trapezoidal metal block (20) in the trapezoidal metal plate (19) in two pieces of front and back, section, multiple sample slots (22), is consolidated fixing screws (21)
Determine the movable bolt (23) of sample, graduated metal ruler (24) is constituted, the trapezoidal metal plate (19) in two pieces of front and back and lateral trapezoidal gold
Belong to block (20) to be fixed together by fixing screws (21), be provided with perpendicular to horizontal table top (9) in the middle part of the trapezoidal metal block (20) more
A sample slot (22), sample slot (22) longitudinal section are " people " font groove, are above linear type narrow slot, are below fan groove, metal
Graduated scale (24) is welded to outside metal block (20), and load sample platform is perpendicular on I-shaped sliding rail, and with movable screw (25) load
Sample platform is fixed on horizontal table top (9).
6. the two-way repeated bending fatigue test device of band according to claim 1, it is characterised in that: the mechanical meter
Number device (26) is fixed on horizontal table top (9), and is contacted with the rotation handle wheel (28) of mechanical counter (26).
7. the two-way repeated bending fatigue test device of band according to claim 1, it is characterised in that: described adjustable group
Beat piece (27) and mechanical counter rotation handle wheel (28) in the same plane, adjustable piece (27) of dialing is along driving wheel (5)
Diametrical direction it is adjustable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821093593.0U CN208621411U (en) | 2018-07-11 | 2018-07-11 | A kind of two-way repeated bending fatigue test device of band |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821093593.0U CN208621411U (en) | 2018-07-11 | 2018-07-11 | A kind of two-way repeated bending fatigue test device of band |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208621411U true CN208621411U (en) | 2019-03-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821093593.0U Active CN208621411U (en) | 2018-07-11 | 2018-07-11 | A kind of two-way repeated bending fatigue test device of band |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110823728A (en) * | 2019-11-22 | 2020-02-21 | 燕山大学 | Mechanical property detection device for cyclic loading of plates |
| CN115808349A (en) * | 2022-12-12 | 2023-03-17 | 太原科技大学 | Fatigue bending and folding test device for metal ultrathin belt |
-
2018
- 2018-07-11 CN CN201821093593.0U patent/CN208621411U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110823728A (en) * | 2019-11-22 | 2020-02-21 | 燕山大学 | Mechanical property detection device for cyclic loading of plates |
| CN110823728B (en) * | 2019-11-22 | 2020-08-28 | 燕山大学 | Mechanical property detection device for cyclic loading of plates |
| CN115808349A (en) * | 2022-12-12 | 2023-03-17 | 太原科技大学 | Fatigue bending and folding test device for metal ultrathin belt |
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