CN203259430U - Thin steel strip one-way bending fatigue test apparatus - Google Patents
Thin steel strip one-way bending fatigue test apparatus Download PDFInfo
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- CN203259430U CN203259430U CN 201220700105 CN201220700105U CN203259430U CN 203259430 U CN203259430 U CN 203259430U CN 201220700105 CN201220700105 CN 201220700105 CN 201220700105 U CN201220700105 U CN 201220700105U CN 203259430 U CN203259430 U CN 203259430U
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Abstract
The utility model provides a thin steel strip one-way bending fatigue test apparatus, which mainly comprises a fixation housing plate, a rotation device, a sample loading table, a sample bending angle control rod (17), a mechanical counter (20), and an adjustable fiddling sheet (21), wherein the rotation device rotates through an electric manner or a manual manner, a detected thin steel strip sample (16) rotates along with the rotation device and touches the sample bending angle control rod (17) according to a certain angle to generate one-way bending, and the mechanical counter (20) counts the number of cycles so as to achieve thin steel strip one-way bending fatigue life determination. The thin steel strip one-way bending fatigue test apparatus has advantages of convenient sample bending angle adjustment, intuitive and accurate data display, simple structure, easy operation, strong practicality and the like.
Description
Technical field
The utility model relates to a kind of equipment of technical field of measurement and test, particularly a kind ofly is applicable to test thickness and is less than or equal to the 0.6mm thin strip bend in one direction strip bend in one direction fatigue experimental device of fatigue lifetime.
Background technology
The industry load transfer device is made less than the thin steel band of 0.6mm by thickness with the spring leaf part.Do not lose efficacy in order to guarantee spring leaf to work orderly, and required spring leaf the bend in one direction fatigue break can not occur striking out under the actual working conditions of certain angle.Therefore, must provide foundation to safe handling and the part service-life forecasting of spring leaf.For this reason, the bend in one direction of steel band under the no-load situation of special requirement making spring leaf is not less than 50,000 times fatigue lifetime.So, need the thin steel band bend in one direction of a kind of energy test of the design test unit of fatigue lifetime, using for the long-term safety of spring part provides theoretical foundation and technical support.
Existing metal sheet fatigue tester mainly is to concentrate on the repeated bending fatigue life-span of testing in the thin plate stand under load situation.Disclose a kind of sheet metal axial push-pull fatigue test device such as Chinese patent ZL 200620012080.3, be used for the drawingand pressing fatigue performance of test metal material; ZL 200320115667.3 discloses the plane sample bending fatigue tester under a kind of symmetrical cycle load, for the fatigue behaviour of material and plate part under the test cyclic bending load-up condition.Above-mentioned testing machine is for sheet metal and the repeated bending fatigue test device under loading environment, is unsuitable for the bend in one direction fatigue property test of thin steel band under unloaded condition.Therefore, these fatigue experimental devices can't be to carrying out correct Prediction the serviceable life of thin steel band spring part.At present, not yet retrieve the bend in one direction fatigue experimental device of testing under the metal foil steel band unloaded condition.
Summary of the invention
The purpose of this utility model is the test problem for thin steel band bend in one direction fatigue behaviour, and a kind of simple in structure, easy to operate, angle of bend can be regulated, experimental data is true and reliable convenient and practical thin steel band bend in one direction fatigue experimental device is provided.
The purpose of this utility model realizes with following technical proposals:
A kind of thin steel band bend in one direction fatigue experimental device is characterized in that: described test unit mainly is comprised of fixed housing plate, whirligig, load sample platform, sample angle of bend control lever, mechanical counter, the adjustable sheet of dialing; Described fixed housing plate is by 4 sheet metals up and down or have the solid wood board of sufficient intensity or the one or more combination in PVC sheet material or the steel wood board consists of, 4 blocks of plates connect into " mouth " word shape, unlike material according to used fixed housing plate, 4 blocks of plates can adopt the modes such as bolt, nail or special organic gel bonding to connect, respectively there is a rectangular chute left and right fixed housing plate center pit below, and 4 blocks of fixed housing plates mainly play a supportive role; Described whirligig is made of wheel disc, wheel disc axle, wheel disc axle edge rotor wheel, dish axle stator, rolling bearing; Wheel disc axle edge rotor wheel can manually directly rotate, the miscellaneous equipment that also can external motor etc. has rotating function substitutes, the wheel disc axle vertically passes wheel disk center, and wheel disc and wheel disc axle closely are fixed together by dish axle stator, wheel disc axle two ends link to each other with left and right sides fixed housing plate center pit by rolling bearing, and rolling bearing is installed on left and right sides fixed housing plate central hole location; Described load sample platform is by making at wheel disc fluting, by sample fixing slot (groove width 0.6mm), sample flexural oscillations groove, fixedly sample screw, sample stiffening piece formation; Described sample angle of bend control lever is connected with chute on the fixed housing plate of the left and right sides by movable bolt, highly can regulating up and down of sample angle of bend control lever, and sample angle of bend control lever is parallel with the wheel disc axle all the time, when regulating the up and down height of angle of bend control lever by movable bolt, the angle of bend of tested sample can be changed, the thin steel band of angle of bend in 5 °～30 ° technical requirement scopes and unidirectional detection fatigue lifetime of spring leaf part thereof can be realized; It is inboard that described mechanical counter is fixed in following Shell Plate, shows the number of bends (fatigue lifetime) of strip sample when being used for test; The described adjustable sheet of dialing, make to be fixed by bolts to wheel disc right side edge position, dial sheet and counter and rotate the handle wheel on the same level face, along the diametric(al) of wheel disc, can regulate by bolt and to dial the sheet protruded length, make it and counter rotates the handle wheel and keeps good contact.
Compared with prior art, the beneficial effects of the utility model are: the utility model has not only solved the thin steel band bend in one direction of the special test difficult problem of fatigue lifetime, and, sample bend in one direction angular adjustment is convenient, can in 5 °～30 ° scopes, carry out free adjustment, fatigue lifetime (number of bends) intuitive display, band sample applicability is wide, tests applicable to the thin strip in 0.02mm～0.6mm thickness range.This test unit is simple in structure, easy operating, and test figure is accurately and reliably.
Description of drawings
Fig. 1 is the bending fatigue testing device front view that embodiment 1 adopts electric rotary body.
Fig. 2 is the wheeling disk structure synoptic diagram.
Fig. 3 is left and right sides fixed housing plate synoptic diagram.
Fig. 4 is the bending fatigue testing device front view that embodiment 2 adopts manual rotary devices.
In the accompanying drawing: 1-fixed housing plate, the 2-set bolt, the 3-motor, 4-motor set bolt, 5-revolution wheel, the 6-driving belt, the 7-wheel disc, 8-wheel disc axle, 9-dish axle stator, 10-dish axle stator bolt, the 11-rolling bearing, 12-sample fixing slot, 13-sample flexural oscillations groove, 14-is the sample screw fixedly, 15-sample stiffening piece, the tested sample of 16-, 17-sample angle of bend control lever, the movable bolt of 18-, the 19-chute, the 20-mechanical counter, the adjustable sheet of dialing of 21-, the 22-counter rotates the handle wheel, 23-wheel disc axle edge rotor wheel, 24-dials the sheet set bolt, the manual handle of 25-.
Embodiment
Below by embodiment, and by reference to the accompanying drawings, the utility model is further elaborated explanation.
Embodiment 1:
As shown in Figure 1, this test unit mainly is comprised of fixed housing plate 1, electric rotary body, load sample platform, sample angle of bend control lever 17, mechanical counter 20, the adjustable sheet 21 of dialing.It is the sheet metal of 10mm that described fixed housing plate is selected thickness, and sheet metal 1 is connected and fixed by the outer cover metal plate set bolt 2 of specification φ 5mm; Described electric rotary body is made of AC system motor (containing variator) 3, motor set bolt 4, revolution wheel 5, driving belt 6, wheel disc 7, wheel disc axle 8, wheel disc axle edge rotor wheel 23, dish axle stator 9, dish axle stator bolt 10, rolling bearing 11, motor 3 is fixed in outer cover metal plate 1 upper outside by the motor set bolt 4 of specification φ 5mm, motor 3 also can be fixed in other positions such as ground, rotates as long as can drive wheel disc axle edge rotor wheel 23.The strip thickness of sample of tested person is 0.55mm, before the test, be length that tested sample 16 1 ends of thin steel band of 150mm are positioned in the sample fixing slot 12 with hand or with clip, with fixedly sample screw 14 is fixing, tested sample 16 other ends gently are affixed on a side of sample flexural oscillations groove 13, and from sample flexural oscillations groove 13, expose outside about 20mm length distance, and make tested sample 16 keep in advance crooked 60 ° of angles in the installation course, the shape of laying of the tested sample 16 of whole piece is similar to " ㄑ " shape.Make sample angle of bend control lever 17 be positioned at the centre position of left and right sides chute 19 by regulating movable bolt 18, tested sample 16 bend in one direction angles are 15 ° during Control experiment.When starting alternating current motor 3 (be 180 rev/min by transmission control motor rotor rotating speed), revolution wheel 5 drives wheel disc axle edge rotor wheel 23 by driving belt 6 and clockwise rotates, wheel disc 7 and then rotates simultaneously, so the tested sample 16 on the wheel disc 7 also and then rotates, tested sample 16 every rotation one circles, it exposes free end just touches once with sample angle of bend control lever 17 by certain pendulum angle, thereby realize that tested sample 16 according to 15 ° angle of bend bend in one direction once, meanwhile, be fixed on adjustable on the wheel disc 7 and dial sheet 21 and also dial the counter of mechanical counter 20 and rotate handle wheel 22 once, mechanical counter 20 just shows counting 1 time; When motor 3 drove wheel discs 7 and rotates the n circle, tested sample 16 was with regard to bend in one direction n time, and mechanical counter 20 just accurately shows to be counted n time (fatigue lifetime).
Embodiment 2:
As shown in Figure 4, this test unit mainly is comprised of fixed housing plate 1, manual rotary devices, load sample platform, sample angle of bend control lever 17, mechanical counter 20, the adjustable sheet 21 of dialing.It is the solid wood board of 10mm that described fixed housing plate is selected thickness, and solid wood board 1 is fixed by special organic gel bonding and with air nail; Described manual rotary devices is made of wheel disc 7, wheel disc axle 8, wheel disc axle edge rotor wheel 23, manual handle 25, dish axle stator 9, dish axle stator bolt 10, rolling bearing 11.The strip thickness of sample of tested person is 0.3mm, before the test, be length that thin steel band sample 16 1 ends of 150mm are positioned in the sample fixing slot 12 with hand or with clip, fixing with screw 14, sample 16 other ends gently are affixed on a side of sample flexural oscillations groove 13, and from sample flexural oscillations groove 13, expose outside about 20mm length distance, and make tested sample 16 keep in advance crooked 60 ° of angles in the installation course, the shape of laying of the tested sample 16 of whole piece is similar to " ㄑ " shape.Make sample angle of bend control lever 17 be positioned at the position, the top of left and right sides chute 19 by regulating movable bolt 18, tested sample 16 bend in one direction angles are 30 ° during Control experiment.When clockwise rotating wheel disc axle edge rotor wheel 23 by manual handle 25, wheel disc 7 and then rotates, so the tested sample 16 on the wheel disc 7 also and then rotates, tested sample 16 every rotation one circles, it exposes free end just touches once with sample angle of bend control lever 17 by certain pendulum angle, thereby realize that tested sample 16 according to 30 ° angle of bend bend in one direction once, meanwhile, be fixed on adjustable on the wheel disc 7 and dial sheet 21 and also dial the counter of mechanical counter 20 and rotate handle wheel 22 once, mechanical counter 20 just shows counting 1 time; When rotating wheel disk 7 enclosed for n, tested sample 16 was with regard to bend in one direction n time, and mechanical counter 20 just accurately shows n time (fatigue lifetime) of counting.
The utility model has not only solved the thin steel band bend in one direction of the special test difficult problem of fatigue lifetime, and, the sample angle of bend is easy to adjust, can in 5 °～30 ° scopes, carry out free adjustment, fatigue lifetime (number of bends) intuitive display, thin strip sample applicability is wide, tests applicable to the thin strip in 0.02mm～0.6mm thickness range.This test unit is simple in structure, easy operating, and test figure is accurately and reliably.
Claims (7)
1. thin steel band bend in one direction fatigue experimental device, it is characterized in that: this test unit mainly is comprised of fixed housing plate, whirligig, load sample platform, sample angle of bend control lever (17), mechanical counter (20), the adjustable sheet (21) of dialing; Described fixed housing plate connects into " mouth " word shape by 4 blocks of plates up and down, described whirligig is by wheel disc (7), wheel disc axle (8), wheel disc axle edge rotor wheel (23), dish axle stator (9), rolling bearing (11) consists of, wheel disc axle (8) vertically passes wheel disc (7) center, and wheel disc (7) closely is fixed together by dish axle stator (9) with wheel disc axle (8), wheel disc axle (8) two ends link to each other with left and right sides fixed housing plate center pit by rolling bearing (11), rolling bearing (11) is installed on left and right sides fixed housing plate central hole location, described load sample platform is by making at wheel disc (7) fluting, described sample angle of bend control lever (17) is parallel with wheel disc axle (8) all the time, it is inboard that described mechanical counter (20) is fixed in following Shell Plate, the described adjustable sheet (21) of dialing makes to be fixed by bolts to wheel disc (7) right side edge position.
2. thin steel band bend in one direction fatigue experimental device according to claim 1 is characterized in that: described fixed housing plate is by sheet metal or have the solid wood board of sufficient intensity or the one or more combination in PVC sheet material or the steel wood board consists of.
3. thin steel band bend in one direction fatigue experimental device according to claim 1, it is characterized in that: described whirligig is electronic rotation, and described electric rotary body is made of AC system motor (3), motor set bolt (4), revolution wheel (5), driving belt (6), wheel disc (7), wheel disc axle (8), wheel disc axle edge rotor wheel (23), dish axle stator (9), dish axle stator bolt (10), rolling bearing (11).
4. thin steel band bend in one direction fatigue experimental device according to claim 1, it is characterized in that: described whirligig is manual rotation, and described manual rotary devices is made of wheel disc (7), wheel disc axle (8), wheel disc axle edge rotor wheel (23), manual handle (25), dish axle stator (9), dish axle stator bolt (10), rolling bearing (11).
5. thin steel band bend in one direction fatigue experimental device according to claim 1, it is characterized in that: described load sample platform is by making at wheel disc fluting, by sample fixing slot (12), sample flexural oscillations groove (13), fixedly sample screw (14), sample stiffening piece (15) formation.
6. thin steel band bend in one direction fatigue experimental device according to claim 1, it is characterized in that: described sample angle of bend control lever (17) is connected with chute (19) on the Shell Plate of the left and right sides by movable bolt (18), can regulate up and down height.
7. thin steel band bend in one direction fatigue experimental device according to claim 1, it is characterized in that: the described adjustable sheet (21) of dialing rotates handle wheel (22) on the same level face with mechanical counter, diametric(al) along wheel disc (7), can regulate adjustable sheet (21) protruded length of dialing by bolt (24), make it to rotate handle wheel (22) with counter and keep good contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220700105 CN203259430U (en) | 2012-12-18 | 2012-12-18 | Thin steel strip one-way bending fatigue test apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220700105 CN203259430U (en) | 2012-12-18 | 2012-12-18 | Thin steel strip one-way bending fatigue test apparatus |
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| CN203259430U true CN203259430U (en) | 2013-10-30 |
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| CN 201220700105 Expired - Lifetime CN203259430U (en) | 2012-12-18 | 2012-12-18 | Thin steel strip one-way bending fatigue test apparatus |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103630445A (en) * | 2013-11-30 | 2014-03-12 | 安徽省（水利部淮河水利委员会）水利科学研究院 | Concrete core sample bending testing device |
| CN105277452A (en) * | 2014-06-25 | 2016-01-27 | 宝山钢铁股份有限公司 | Band steel inverse-bending detection device and detection method |
| WO2018120135A1 (en) * | 2016-12-30 | 2018-07-05 | 深圳市柔宇科技有限公司 | Bending equipment for membrane material |
| CN112630065A (en) * | 2020-12-21 | 2021-04-09 | 深圳市信维通信股份有限公司 | Multi-data testing method for FPC bending fatigue life S-N curve |
| CN115808349A (en) * | 2022-12-12 | 2023-03-17 | 太原科技大学 | Fatigue bending and folding test device for metal ultrathin belt |
-
2012
- 2012-12-18 CN CN 201220700105 patent/CN203259430U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103630445A (en) * | 2013-11-30 | 2014-03-12 | 安徽省（水利部淮河水利委员会）水利科学研究院 | Concrete core sample bending testing device |
| CN105277452A (en) * | 2014-06-25 | 2016-01-27 | 宝山钢铁股份有限公司 | Band steel inverse-bending detection device and detection method |
| CN105277452B (en) * | 2014-06-25 | 2017-10-31 | 宝山钢铁股份有限公司 | A kind of strip recurvation detection means and its detection method |
| WO2018120135A1 (en) * | 2016-12-30 | 2018-07-05 | 深圳市柔宇科技有限公司 | Bending equipment for membrane material |
| CN112630065A (en) * | 2020-12-21 | 2021-04-09 | 深圳市信维通信股份有限公司 | Multi-data testing method for FPC bending fatigue life S-N curve |
| CN112630065B (en) * | 2020-12-21 | 2022-06-21 | 深圳市信维通信股份有限公司 | Multi-data testing method for FPC bending fatigue life S-N curve |
| 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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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131030 |