CN105466770A - Tension-bending combination load test apparatus - Google Patents
Tension-bending combination load test apparatus Download PDFInfo
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- CN105466770A CN105466770A CN201410458344.7A CN201410458344A CN105466770A CN 105466770 A CN105466770 A CN 105466770A CN 201410458344 A CN201410458344 A CN 201410458344A CN 105466770 A CN105466770 A CN 105466770A
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- roll shaft
- force loading
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- test piece
- shaft limiting
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Abstract
The present invention relates to the technical field of testing-sheet-grade mechanical tests, particularly to a tension-bending combination load test apparatus. A purpose of the present invention is to provide a tension-bending combination load test apparatus so as to concurrently apply a tension load and a bending load on a test sheet. The tension-bending combination load test apparatus is characterized by comprising a lateral force loading member, a tension force loading member and a supporting member, wherein the lateral force loading member is positioned above a test sheet, closely contacts the test sheet, and is used for applying downward pressure on the test sheet, the tension force loading member is positioned on both ends of the test sheet, is fixedly connected to the test sheet, and is used for providing tension force for the test sheet, and the supporting member is positioned below the test sheet, closely contacts the tension force loading member, and is used for providing supporting for the test sheet, the lateral force loading member and the tension force loading member. According to the present invention, two actuating cylinders are used to apply the tension-bending combination load on the test sheet, such that the load within the large test sheet center range can meet the test target; and the tension-bending combination load test apparatus has characteristics of simple structure and easy achieving.
Description
Technical field
The present invention relates to test piece level mechanical test technical field, be specifically related to a kind of stretch bending combined load test unit.
Background technology
The stretching of test piece, bending test are the basic tests determining material property, its technology maturation.In engineer applied, structure generally bears combined load, as bending moment and tensile load act in structure simultaneously, if stretch bending composite test can be carried out in test piece test, then experimental basis can be provided to support for raising structural design level, grasp structural failure mechanism.
From disclosed document, not yet find the test unit can implementing stretch bending combination.
Summary of the invention
The object of this invention is to provide a kind of stretch bending combined load test unit, realize applying to stretch and bending load to test piece simultaneously.
The present invention is achieved in that
A kind of stretch bending combined load test unit, comprises transverse force loading component, pulling force loading component and support component; Transverse force loading component is positioned at above test piece, and with test piece close contact, transverse force loading component is used for applying downward pressure to test piece; Pulling force loading component is positioned at test piece two ends, is fixedly connected with test piece, and pulling force loading component is used for providing pulling force for test piece; Support component is positioned at below test piece, and with pulling force loading component close contact, support component is used for providing support test piece, transverse force loading component and pulling force loading component.
Transverse force loading component as above comprises transverse force loading blocks, the first roll shaft and the second roll shaft; Transverse force loading blocks main part is cuboid, and the center of main part and the center of test piece are on same vertical line; Transverse force loading blocks is provided with two pressurized strut attachment lugs for being connected with pressurized strut in centre, main part upper surface, and two pressurized strut attachment lugs are arch door shape tabular, along upper surface Central Symmetry; Transverse force loading blocks main part lower surface is provided with roll shaft limiting groove and roll shaft limiting groove; First roll shaft and the first roll shaft lay respectively in the first roll shaft limiting groove and the second roll shaft limiting groove, and the first roll shaft and the first roll shaft limiting groove closely cooperate, and the second roll shaft and the second roll shaft limiting groove closely cooperate.
The xsect of roll shaft limiting groove as above is trapezoidal, and length direction is mutually vertical with the length direction of test piece, and roll shaft limiting groove is for limiting roll shaft motion in the horizontal direction; The Central Symmetry of the first roll shaft limiting groove and the second roll shaft limiting groove transversely power loading blocks main part lower surface; Roll shaft is cylindrical, and length is identical with roll shaft limiting groove, and the xsect of diameter and roll shaft limiting groove matches; First roll shaft and the second roll shaft and test piece close contact, for transmitting the transverse force that transverse force loading component loads.
Pulling force loading component as above comprises fixed block and pulling force loading blocks; Fixed block entirety is cuboid, and upper surface is evenly distributed with four through holes for connecting test piece, and side is evenly distributed with two threaded holes be connected with pulling force loading blocks; Fixed block is used for the two ends of fixing test piece, and have four, two is one group, total two groups, left and right, often organizes the corresponding pulling force loading blocks of fixed block; Pulling force loading blocks main body is cuboid, and centre, main part upper surface is provided with two pressurized strut attachment lugs, and two pressurized strut attachment lugs are arch door shape tabular, along upper surface Central Symmetry; Be furnished with two threaded holes respectively two pressurized strut attachment lug both sides, for often organize fixed block and be connected; Pulling force loading blocks is used for test piece loading tensile, has two; Two groups of fixed blocks are fixed on the two ends of test piece, and two fixed blocks often organizing fixed block are separately fixed on two end faces up and down of test piece, and pulling force loading blocks is fixedly connected with the end face outside of fixed block.
Support component as above comprises back-up block, roll shaft and roll shaft; Back-up block entirety is cuboid, has the 3rd roll shaft limiting groove and the 4th roll shaft limiting groove in upper surface, and the 3rd roll shaft limiting groove and the 4th roll shaft limiting groove are along back-up block upper surface Central Symmetry; 3rd roll shaft and the 4th roll shaft lay respectively in the 3rd roll shaft limiting groove and the 4th roll shaft limiting groove, and the 3rd roll shaft and the 3rd roll shaft limiting groove closely cooperate, and the 4th roll shaft and the 4th roll shaft limiting groove closely cooperate; The upper surface of the 3rd roll shaft and the 4th roll shaft respectively with the lower surface close contact of the two groups of fixed blocks in left and right, fixed block is played a supportive role.
Horizontal range between first roll shaft limiting groove as above and the 3rd roll shaft limiting groove is equal with the horizontal range between the second roll shaft limiting groove and the 4th roll shaft limiting groove, is all more than or equal to 30mm.
Transverse force loading component as above, pulling force loading component and support component all adopt stainless steel material to make and the invention has the beneficial effects as follows:
The present invention includes transverse force loading component, pulling force loading component and support component.Utilize two pressurized struts can apply pulling force and bending combined load to test piece, realize test piece center in a big way in load meet test objective; Stretch bending combined load test unit structure is simple, easily realizes.
Accompanying drawing explanation
Fig. 1 is the structure principle chart of a kind of stretch bending combined load test unit of the present invention;
Fig. 2 is the Facad structure schematic diagram of the transverse force loading blocks of a kind of stretch bending combined load test unit of the present invention;
Fig. 3 is the structure schematic diagram of the transverse force loading blocks of a kind of stretch bending combined load test unit of the present invention;
Fig. 4 is the structural representation of the fixed block of a kind of stretch bending combined load test unit of the present invention;
Fig. 5 is the structural representation of the pulling force loading blocks of a kind of stretch bending combined load test unit of the present invention;
Fig. 6 is the structural representation of the test piece of a kind of stretch bending combined load test unit of the present invention.
Wherein: 1. transverse force loading blocks, 2. fixed block, 3. pulling force loading blocks, 4. back-up block, 5. roll shaft, 6. test piece, 7. roll shaft limiting groove.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described further.
As shown in Figure 1, a kind of stretch bending combined load test unit, comprises transverse force loading component, pulling force loading component and support component.Wherein, transverse force loading component is positioned at above test piece 6, and with test piece 6 close contact, transverse force loading component is used for applying downward pressure to test piece; Pulling force loading component is positioned at test piece 6 two ends, is fixedly connected with test piece 6, and pulling force loading component is used for providing pulling force for test piece 6; Support component is positioned at below test piece 6, and with pulling force loading component close contact, support component is used for providing support test piece 6, transverse force loading component and pulling force loading component.
As shown in Figure 1, Figure 2 and Figure 3, transverse force loading component comprises transverse force loading blocks 1, roll shaft 5-1 and roll shaft 5-2.Transverse force loading blocks 1 main part is cuboid, and the center of main part and the center of test piece 6 are on same vertical line.Transverse force loading blocks 1 is provided with two pressurized strut attachment lugs for being connected with pressurized strut in centre, main part upper surface, and two pressurized strut attachment lugs are arch door shape tabular, along upper surface Central Symmetry.Transverse force loading blocks 1 main part lower surface is provided with roll shaft limiting groove 7-1 and roll shaft limiting groove 7-2.Roll shaft 5-1 and roll shaft 5-2 lays respectively in roll shaft limiting groove 7-1 and roll shaft limiting groove 7-2, and roll shaft 5-1 and roll shaft limiting groove 7-1 closely cooperates, and roll shaft 5-2 and roll shaft limiting groove 7-2 closely cooperates; The xsect of roll shaft limiting groove 7 is trapezoidal, and length direction is mutually vertical with the length direction of test piece 6, and roll shaft limiting groove 7 is for limiting roll shaft 5 motion in the horizontal direction.The Central Symmetry of roll shaft limiting groove 7-1 and roll shaft limiting groove 7-2 transversely power loading blocks 1 main part lower surface.Roll shaft 5 is cylindrical, and length is identical with roll shaft limiting groove 7, and the xsect of diameter and roll shaft limiting groove 7 matches.Roll shaft 5-1 and roll shaft 5-2 and test piece 6 close contact, for transmitting the transverse force that transverse force loading component loads.
As shown in Figure 1, Figure 4 and Figure 5, pulling force loading component comprises fixed block 2 and pulling force loading blocks 3.Fixed block 2 entirety is cuboid, and upper surface is evenly distributed with four through holes for connecting test piece 6, and side is evenly distributed with two threaded holes be connected with pulling force loading blocks 3.Fixed block 2, for the two ends of fixing test piece 6, has four, and two is one group, total two groups, left and right, often organizes the corresponding pulling force loading blocks 3 of fixed block 2.Pulling force loading blocks 3 main body is cuboid, and centre, main part upper surface is provided with two pressurized strut attachment lugs, and two pressurized strut attachment lugs are arch door shape tabular, along upper surface Central Symmetry.Be furnished with two threaded holes respectively two pressurized strut attachment lug both sides, for often organize fixed block 2 and be connected.Pulling force loading blocks 3, for test piece 6 loading tensile, has two.Two groups of fixed blocks 2 are fixed on the two ends of test piece 6, and two fixed blocks 2 often organizing fixed block 2 are separately fixed on two end faces up and down of test piece 6, and pulling force loading blocks 3 is fixedly connected with the end face outside of fixed block 2.
As shown in Figure 1, support component comprises back-up block 4, roll shaft 5-3 and roll shaft 5-4.Back-up block 4 entirety is cuboid, has roll shaft limiting groove 7-1 and roll shaft limiting groove 7-2, roll shaft limiting groove 7-1 and roll shaft limiting groove 7-2 along back-up block 4 upper surface Central Symmetry in upper surface.Roll shaft 5-3 and roll shaft 5-4 lays respectively in roll shaft limiting groove 7-3 and roll shaft limiting groove 7-4, and roll shaft 5-3 and roll shaft limiting groove 7-3 closely cooperates, and roll shaft 5-4 and roll shaft limiting groove 7-4 closely cooperates; The upper surface of roll shaft 5-3 and axle 5-4 respectively with the lower surface close contact of the two groups of fixed blocks in left and right, fixed block is played a supportive role.Horizontal range between roll shaft limiting groove 7-1 and roll shaft limiting groove 7-3 is equal with the horizontal range between roll shaft limiting groove 7-2 and roll shaft limiting groove 7-4, is all more than or equal to 30mm.
Transverse force loading component, pulling force loading component and support component all adopt stainless steel material to make.
In process of the test, the pulling force loading blocks 3 in left side is connected with fixture by pressurized strut attachment lug, simple boundary is formed to test piece 6, the pulling force loading blocks 3 on right side is connected with pressurized strut by pressurized strut attachment lug, for test piece provides pulling force, transverse force loading blocks 1 is connected with pressurized strut by pressurized strut attachment lug, downward pressure is applied to test piece, by transverse force loading blocks 1, the load applying effect of the pulling force loading blocks 3 on right side makes the central area of test piece 6 form required stretch bending combined load state, the ratio of stretch bending load can by the pulling force of pulling force loading blocks 3 on right side and the ratio of the pressure of transverse force loading blocks 1 and between roll shaft limiting groove 7-1 and roll shaft limiting groove 7-3, horizontal range between roll shaft limiting groove 7-2 and roll shaft limiting groove 7-4 realizes.
The present invention includes transverse force loading component, pulling force loading component and support component.Utilize two pressurized struts can apply pulling force and bending combined load to test piece, realize test piece center in a big way in load meet test objective; Stretch bending combined load test unit structure is simple, easily realizes.
Claims (7)
1. a stretch bending combined load test unit, is characterized in that: it comprises transverse force loading component, pulling force loading component and support component; Transverse force loading component is positioned at test piece (6) top, and with test piece (6) close contact, transverse force loading component is used for applying downward pressure to test piece; Pulling force loading component is positioned at test piece (6) two ends, is fixedly connected with test piece (6), and pulling force loading component is used for providing pulling force for test piece (6); Support component is positioned at test piece (6) below, and with pulling force loading component close contact, support component is used for providing support test piece (6), transverse force loading component and pulling force loading component.
2. stretch bending combined load test unit according to claim 1, is characterized in that: described transverse force loading component comprises transverse force loading blocks (1), the first roll shaft (5-1) and the second roll shaft (5-2); Transverse force loading blocks (1) main part is cuboid, and the center of the center of main part and test piece (6) is on same vertical line; Transverse force loading blocks (1) is provided with two pressurized strut attachment lugs for being connected with pressurized strut in centre, main part upper surface, and two pressurized strut attachment lugs are arch door shape tabular, along upper surface Central Symmetry; Transverse force loading blocks (1) main part lower surface is provided with roll shaft limiting groove (7-1) and roll shaft limiting groove (7-2); First roll shaft (5-1) and the first roll shaft (5-2) lay respectively in the first roll shaft limiting groove (7-1) and the second roll shaft limiting groove (7-2), first roll shaft (5-1) and the first roll shaft limiting groove (7-1) closely cooperate, and the second roll shaft (5-2) and the second roll shaft limiting groove (7-2) closely cooperate.
3. stretch bending combined load test unit according to claim 2, it is characterized in that: the xsect of described roll shaft limiting groove (7) is trapezoidal, length direction is mutually vertical with the length direction of test piece (6), and roll shaft limiting groove (7) is for limiting roll shaft (5) motion in the horizontal direction; The Central Symmetry of the first roll shaft limiting groove (7-1) and the second roll shaft limiting groove (7-2) transversely power loading blocks (1) main part lower surface; Roll shaft (5) is cylindrical, and length is identical with roll shaft limiting groove (7), and the xsect of diameter and roll shaft limiting groove (7) matches; First roll shaft (5-1) and the second roll shaft (5-2) and test piece (6) close contact, for transmitting the transverse force that transverse force loading component loads.
4. stretch bending combined load test unit according to claim 1, is characterized in that: described pulling force loading component comprises fixed block (2) and pulling force loading blocks (3); Fixed block (2) entirety is cuboid, and upper surface is evenly distributed with four through holes for connecting test piece (6), and side is evenly distributed with two threaded holes be connected with pulling force loading blocks (3); Fixed block (2), for the two ends of fixing test piece (6), has four, and two is one group, total two groups, left and right, often organizes the corresponding pulling force loading blocks (3) of fixed block (2); Pulling force loading blocks (3) main body is cuboid, and centre, main part upper surface is provided with two pressurized strut attachment lugs, and two pressurized strut attachment lugs are arch door shape tabular, along upper surface Central Symmetry; Be furnished with two threaded holes respectively two pressurized strut attachment lug both sides, for often organize fixed block (2) and be connected; Pulling force loading blocks (3), for test piece (6) loading tensile, has two; Two groups of fixed blocks (2) are fixed on the two ends of test piece (6), two fixed blocks (2) often organizing fixed block (2) are separately fixed on two end faces up and down of test piece (6), and pulling force loading blocks (3) is fixedly connected with the end face outside of fixed block (2).
5. stretch bending combined load test unit according to claim 1, is characterized in that: described support component comprises back-up block (4), roll shaft (5-3) and roll shaft (5-4); Back-up block (4) entirety is cuboid, have the 3rd roll shaft limiting groove (7-3) and the 4th roll shaft limiting groove (7-4) in upper surface, the 3rd roll shaft limiting groove (7-3) and the 4th roll shaft limiting groove (7-4) are along back-up block (4) upper surface Central Symmetry; 3rd roll shaft (5-3) and the 4th roll shaft (5-4) lay respectively in the 3rd roll shaft limiting groove (7-3) and the 4th roll shaft limiting groove (7-4), 3rd roll shaft (5-3) and the 3rd roll shaft limiting groove (7-3) closely cooperate, and the 4th roll shaft (5-4) and the 4th roll shaft limiting groove (7-4) closely cooperate; The upper surface of the 3rd roll shaft (5-3) and the 4th roll shaft (5-4) respectively with the lower surface close contact of the two groups of fixed blocks in left and right, fixed block is played a supportive role.
6. stretch bending combined load test unit according to claim 5, it is characterized in that: the horizontal range between the first described roll shaft limiting groove (7-1) and the 3rd roll shaft limiting groove (7-3) is equal with the horizontal range between the second roll shaft limiting groove (7-2) and the 4th roll shaft limiting groove (7-4), is all more than or equal to 30mm.
7. stretch bending combined load test unit according to claim 1, is characterized in that: described transverse force loading component, pulling force loading component and support component all adopt stainless steel material to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410458344.7A CN105466770A (en) | 2014-09-10 | 2014-09-10 | Tension-bending combination load test apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410458344.7A CN105466770A (en) | 2014-09-10 | 2014-09-10 | Tension-bending combination load test apparatus |
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| CN105466770A true CN105466770A (en) | 2016-04-06 |
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| CN201410458344.7A Pending CN105466770A (en) | 2014-09-10 | 2014-09-10 | Tension-bending combination load test apparatus |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106644482A (en) * | 2016-12-30 | 2017-05-10 | 北京金风科创风电设备有限公司 | Load loading device and method |
| CN107677548A (en) * | 2017-09-08 | 2018-02-09 | 哈尔滨工程大学 | A kind of I-beam stretch bending combined load test mechanism |
| CN109374398A (en) * | 2018-11-28 | 2019-02-22 | 中国航空工业集团公司沈阳飞机设计研究所 | Material Stiffened Panel thermal buckling test load bringing device |
| DE102018000751B3 (en) | 2018-01-31 | 2019-04-04 | Hochschule Schmalkaden | Apparatus and method for determining the bending properties of thin-walled materials |
| CN113092256A (en) * | 2021-04-09 | 2021-07-09 | 西安科技大学 | Hydraulic concrete fatigue fracture test device |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2854560Y (en) * | 2005-06-30 | 2007-01-03 | 宝山钢铁股份有限公司 | High strength thin steel plate axial loading sample and its holding device |
| CN201497676U (en) * | 2009-01-12 | 2010-06-02 | 攀钢集团研究院有限公司 | Bending fixture used for prefabricating fatigue crack |
| CN101832907A (en) * | 2010-05-10 | 2010-09-15 | 钢铁研究总院青岛海洋腐蚀研究所 | Stretched force-applying bracket for detecting corrosion resistance of metal and using method thereof |
| CN103163019A (en) * | 2013-03-04 | 2013-06-19 | 江苏大学 | Tensile test special fixture used for sheet metal or metal foil and using method |
| CN203299062U (en) * | 2013-06-18 | 2013-11-20 | 中国海洋石油总公司 | Four-point bending test device for full-size metal composite tube |
| CN103604691A (en) * | 2013-11-29 | 2014-02-26 | 上海理工大学 | Four-point bending test clamp |
| CN103913383A (en) * | 2014-04-24 | 2014-07-09 | 株洲时代新材料科技股份有限公司 | Bending performance detection method and device in electromagnetic wire stretching state |
| CN103983523A (en) * | 2014-05-30 | 2014-08-13 | 北京隆盛泰科石油管科技有限公司 | Full-size four-point bending test device and method for steel tube with additionally applied axial load |
-
2014
- 2014-09-10 CN CN201410458344.7A patent/CN105466770A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2854560Y (en) * | 2005-06-30 | 2007-01-03 | 宝山钢铁股份有限公司 | High strength thin steel plate axial loading sample and its holding device |
| CN201497676U (en) * | 2009-01-12 | 2010-06-02 | 攀钢集团研究院有限公司 | Bending fixture used for prefabricating fatigue crack |
| CN101832907A (en) * | 2010-05-10 | 2010-09-15 | 钢铁研究总院青岛海洋腐蚀研究所 | Stretched force-applying bracket for detecting corrosion resistance of metal and using method thereof |
| CN103163019A (en) * | 2013-03-04 | 2013-06-19 | 江苏大学 | Tensile test special fixture used for sheet metal or metal foil and using method |
| CN203299062U (en) * | 2013-06-18 | 2013-11-20 | 中国海洋石油总公司 | Four-point bending test device for full-size metal composite tube |
| CN103604691A (en) * | 2013-11-29 | 2014-02-26 | 上海理工大学 | Four-point bending test clamp |
| CN103913383A (en) * | 2014-04-24 | 2014-07-09 | 株洲时代新材料科技股份有限公司 | Bending performance detection method and device in electromagnetic wire stretching state |
| CN103983523A (en) * | 2014-05-30 | 2014-08-13 | 北京隆盛泰科石油管科技有限公司 | Full-size four-point bending test device and method for steel tube with additionally applied axial load |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106644482A (en) * | 2016-12-30 | 2017-05-10 | 北京金风科创风电设备有限公司 | Load loading device and method |
| CN107677548A (en) * | 2017-09-08 | 2018-02-09 | 哈尔滨工程大学 | A kind of I-beam stretch bending combined load test mechanism |
| DE102018000751B3 (en) | 2018-01-31 | 2019-04-04 | Hochschule Schmalkaden | Apparatus and method for determining the bending properties of thin-walled materials |
| CN109374398A (en) * | 2018-11-28 | 2019-02-22 | 中国航空工业集团公司沈阳飞机设计研究所 | Material Stiffened Panel thermal buckling test load bringing device |
| CN113092256A (en) * | 2021-04-09 | 2021-07-09 | 西安科技大学 | Hydraulic concrete fatigue fracture test device |
| CN113092256B (en) * | 2021-04-09 | 2024-01-19 | 西安科技大学 | Hydraulic concrete fatigue fracture test device |
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