CN101672744B - Reversed loading test device under combined action - Google Patents
Reversed loading test device under combined action Download PDFInfo
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- CN101672744B CN101672744B CN2009101800272A CN200910180027A CN101672744B CN 101672744 B CN101672744 B CN 101672744B CN 2009101800272 A CN2009101800272 A CN 2009101800272A CN 200910180027 A CN200910180027 A CN 200910180027A CN 101672744 B CN101672744 B CN 101672744B
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- loading
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- foundation beam
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Abstract
The invention relates to a reversed loading test device under combined action, belonging to the loading equipment of the structure fixed end horizontal movable test. The test device comprises a foundation beam, a loading beam, a loading piston and two connecting rods, wherein the foundation beam is fixedly connected with the ground through foundation bolts, two connecting rods are hinged with the foundation beam and the loading beam through pins along the direction vertical to the foundation beam and the loading beam, the middle of the loading beam is provided with a hole, the loading piston is placed in the middle hole of the loading beam, the upper part of the loading piston is hinged with the connecting piece of the piston through pins and a lifting jack, and the bottom of the loading piston and the top plate of the foundation beam are provided with connecting bolts. The invention can fully imitate the connection between the structure specimen and the fixed end of the structure and can be used in the compression shear and tension shear performance test of steel members and reinforced concrete members, the structure is simple, and the cost is low.
Description
Technical field
The present invention is a kind of reversed loading test device under combined action, belongs to structure fixed end parallel-moving type experiment loading unit.
Background technology
Using more compound loading fixed end parallel-moving type test unit at present is that Japan builds the formula device BRI type that grinds, this experimental provision is by the bending resistance crossbeam, the lateral resisting support, the vertical load bracing frame, compositions such as four-bar mechanism, this device can satisfy the testing requirements of fixed end parallel-moving type, but this test unit loads inconvenience to some subsized specimens, and volume is bigger, and expenditure of construction is more.
Summary of the invention
Big in order to overcome existing composite testing charger floor area, the deficiency that expenditure of construction is high, the present invention has designed a kind of reversed loading test device under combined action, and this test unit not only loads effective, and volume is little, and expenditure of construction is low.
To achieve these goals, the present invention has taked following technical scheme.This device comprises foundation beam 1, loading beam 2, loads piston 3, connecting rod 4 and hinged web joint 7.Wherein: foundation beam 1 is fixedlyed connected with ground by foot bolt, links to each other by two connecting rods 4 between foundation beam 1 and the loading beam 2, and the two ends of connecting rod 4 are hinged with foundation beam 1 and loading beam 2 respectively, and loading beam 2 is parallel to 1, two connecting rod 4 of foundation beam and is parallel to each other.Loading beam 2 middle parts vertically have hole, load that piston 3 passes this hole top and lifting jack is hinged, load lower part of piston and be fixedly connected with piston base plate 8, corresponding position all is reserved with the bolt hole that is used for fixing test specimen on piston base plate 8 and foundation beam 1.
Concrete connected mode hinged between described connecting rod 4 and foundation beam 1 and the loading beam 2 is: all be fixed with hinged web joint 7 with the upper surface of connecting rod 4 corresponding foundation beams and the lower surface of loading beam, the two ends of connecting rod 4 are hinged by pin with hinged web joint 7 respectively.
Be connected by the piston web member between the top of described loading piston 3 and the lifting jack, described piston web member comprises first web joint 9, two blocks of second web joints 10 and pins 13, four pins 13 are embedded in four jiaos of first web joint 9 in advance, be used for linking to each other with hydraulic jack, two second web joints 10 are vertically welded in the two ends of first web joint 9, are reserved with on second web joint 10 to be used for the pin hole 15 that pin passes.
The invention has the beneficial effects as follows and to apply level and vertical cyclic reverse loading by charger to the structure test specimen, charger closely is connected by bolt with test specimen, fully the model configuration test specimen is connected with the stiff end of structure, the pressure that can be used for steel member and reinforced concrete member is cut and is drawn and cut performance test, simple in structure, with low cost.。
Description of drawings
Fig. 1: charger synoptic diagram;
Fig. 2: foundation beam vertical view;
Fig. 3: loading beam synoptic diagram;
Fig. 4: load the piston synoptic diagram
The A-A sectional view of Fig. 5: Fig. 4
Fig. 6: pin a synoptic diagram
Fig. 7: connecting rod synoptic diagram
The B-B sectional view of Fig. 8: Fig. 7
Fig. 9: piston web member synoptic diagram
The C-C sectional view of Figure 10: Fig. 9
Among the figure: the 1-foundation beam; The 2-loading beam; 3-loads piston; The 4-connecting rod; Floor among the 5-; 6-limit floor; The hinged web joint of 7-; 8-piston base plate; 9-first web joint; 10-second web joint; The 11-bolt; 12-first pin; 13-second pin; The 14-semicircle orifice; The 15-pin hole; The 16-bolt hole.
Embodiment
Below in conjunction with drawings and Examples the present invention is further specified:
As shown in Figure 1, present embodiment comprises foundation beam 1, loading beam 2, loads piston 3, connecting rod 4 and hinged web joint 7.Foundation beam 1 fixes on the ground by foot bolt, connects top loading beams 2 by two connecting rods 4.The two ends of foundation beam 1 top board are perpendicular to respectively welding two hinged web joints 7 on the plate face direction, loading beam 2 respectively welds two hinged web joints 7 at its base plate two ends on perpendicular to plate face direction, and is shown in Figure 3 as Fig. 2.Connecting rod 4 is hinged by first pin 12 with the hinged web joint 7 that is welded in foundation beam 1 top board and loading beam 2 base plates respectively up and down.Foundation beam 1, loading beam 2 and two connecting rods 4 are formed the mechanism of a parallelogram like this, and loading beam 2 can be moved on the direction that is parallel to foundation beam 1 by hinged connecting rod 4.The middle part of loading beam 2 has through hole, hole wall size and loading piston 3 are measure-alike, load piston 3 and pass back connection lifting jack and piston web member from the loading beam middle part, lifting jack can be connected with the loading piston like this, and load is applied on the test specimen by loading piston 3.All be reserved with bolt hole 16 on the top board of foundation beam 1 and the piston base plate 8, be convenient to be connected, as Fig. 2, shown in Figure 5 with test specimen.During enforcement horizontal loading is applied on the horizontal loading beam 2, vertical load is applied on the loading piston 3, when horizontal loading promotes loading beam 2 occurred level displacements, loading beam 2 is delivered to horizontal loading and loads on the piston 3, horizontal loading and vertical load are applied on the test specimen by loading piston 3 like this, guarantee a test specimen top occurred level displacement and do not rotate.
Be connected by the piston web member between the top of loading piston 3 and the lifting jack, the piston web member comprises first web joint 9, two blocks of second web joints 10 and second pins 13, four pins 13 are embedded in four jiaos of first web joint (9) in advance, be used for linking to each other with hydraulic jack, two second web joints 10 are vertically welded in the two ends of first web joint 9, be reserved with pin hole 15, the first pins 12 on second web joint 10 and pass pin hole 15, the upper end and the piston web member that load piston is hinged.
Specify the method for making of present embodiment charger below in conjunction with accompanying drawing:
1) foundation beam 1 usefulness H shaped steel is made, and open semicircle hole 14 on foundation beam 1 top board is so that the earth anchor bolt passes.Semicircle orifice 14 positions perpendicular to web and edge of a wing direction on welding edge floor 6, in foundation beam perpendicular on web and the edge of a wing direction welding in floor 5.Foundation beam top board middle part prepared screw-bolt hole 16, pin hole 15 is stayed on the hinged web joint 7, as shown in Figure 2 perpendicular to respectively welding two hinged web joints 7 on the plate face direction in the two ends of foundation beam 1 top board.
2) loading beam 2 is welded into box structure by steel plate, square opening is opened at loading beam 2 middle parts, loads piston 3 and places square hole, and loading beam 2 respectively welds two hinged web joints 7 at its base plate two ends on perpendicular to plate face direction, reserve pin hole 15 on the hinged web joint 7, as shown in Figure 3.
3) load piston 3 and be welded into prism, as shown in Figure 4 by steel plate.Load piston 3 sides and reserve pin hole 15, prepared screw-bolt hole 16 on the piston base plate 8, as shown in Figure 5.
4) connecting rod 4 is to be welded by steel plate, is shaped as rectangular parallelepiped, stays pin hole 15 on the connecting rod side plate, as shown in Figure 7.
5) lifting jack and piston web member comprise first web joint 9, second web joint 10 and second pin 13.Four second pins 13 are embedded in four jiaos of first web joint 9 in advance, and two second web joints 10 weld at first web joint, 9 two ends on perpendicular to first web joint, 9 directions.Second web joint 10 is reserved pin hole 15, as shown in figure 10.
6) connecting rod 4 is connected by first pin 12 with hinged web joint 7, foundation beam 1, loading beam 2 and two connecting rods 4 are formed the mechanism of a parallelogram like this, loading piston 3 square hole from loading beam 2 passes, the top is connected by first pin 12 with the piston web member with axial lifting jack, as shown in Figure 1.
Claims (3)
1. a reversed loading test device under combined action is characterized in that: comprise foundation beam (1), loading beam (2), load piston (3) and connecting rod (4); Wherein: foundation beam (1) is fixedlyed connected with ground by foot bolt, link to each other by two connecting rods (4) between foundation beam (1) and the loading beam (2), the two ends of connecting rod (4) are hinged with foundation beam (1) and loading beam (2) respectively, loading beam (2) is parallel to foundation beam (1), and two connecting rods (4) are parallel to each other; Loading beam (2) middle part vertically has hole, load that piston (3) passes this hole top and lifting jack is hinged, load lower part of piston and be fixedly connected with piston base plate (8), upward all be reserved with the bolt hole that is used for fixing test specimen in corresponding position at piston base plate (8) and foundation beam (1).
2. a kind of reversed loading test device under combined action according to claim 1, it is characterized in that: concrete connected mode hinged between described connecting rod (4) and foundation beam (1) and the loading beam (2) is: all be fixed with hinged web joint (7) with the upper surface of the corresponding foundation beam of connecting rod (4) and the lower surface of loading beam, the two ends of connecting rod (4) are hinged by pin with hinged web joint (7) respectively.
3. a kind of reversed loading test device under combined action according to claim 1, it is characterized in that: be connected by the piston web member between the top of described loading piston (3) and the lifting jack, described piston web member comprises first web joint (9), two second web joints (10) and pin (13), four pins (13) are embedded in four jiaos of first web joint (9) in advance, two second web joints (10) are vertically welded in the two ends of first web joint (9), are reserved with the pin hole (15) that is used for pin and passes on second web joint (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101800272A CN101672744B (en) | 2009-10-23 | 2009-10-23 | Reversed loading test device under combined action |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101800272A CN101672744B (en) | 2009-10-23 | 2009-10-23 | Reversed loading test device under combined action |
Publications (2)
| Publication Number | Publication Date |
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| CN101672744A CN101672744A (en) | 2010-03-17 |
| CN101672744B true CN101672744B (en) | 2011-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009101800272A Expired - Fee Related CN101672744B (en) | 2009-10-23 | 2009-10-23 | Reversed loading test device under combined action |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105043901B (en) * | 2015-08-14 | 2018-08-28 | 中国商用飞机有限责任公司北京民用飞机技术研究中心 | A kind of mechanical connecting structure shearing performance test device and its test method |
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| CN102494953A (en) * | 2011-12-02 | 2012-06-13 | 铁道第三勘察设计院集团有限公司 | Wheel type bearing plate tester |
| CN102522407B (en) * | 2011-12-23 | 2014-04-09 | 清华大学 | Memory array structure with vertical transistor and forming method thereof |
| CN102620991B (en) * | 2012-04-01 | 2013-12-25 | 中交上海三航科学研究院有限公司 | Multilayer loading beam waterproof structure capable of moving relatively |
| CN102735545B (en) * | 2012-07-04 | 2014-02-12 | 哈尔滨工业大学 | Two-way compressing and shearing composite loading test device |
| JP6155115B2 (en) * | 2013-06-28 | 2017-06-28 | 大成建設株式会社 | Force test equipment |
| CN104122140B (en) * | 2014-07-11 | 2017-02-15 | 三峡大学 | Concrete column eccentric loading testing device |
| CN107314932B (en) * | 2017-06-16 | 2024-04-12 | 河海大学 | Modularized fatigue test field, matched device and fatigue test method |
| CN109187304B (en) * | 2018-08-17 | 2021-03-16 | 刘焱 | Concrete impermeability detection device for construction |
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| CN101000292A (en) * | 2006-12-15 | 2007-07-18 | 清华大学 | Large 3D multifunction soil tester |
| CN101419143A (en) * | 2008-11-21 | 2009-04-29 | 同济大学 | Bidirectional composite force loading test device for masonry test piece |
| CN201555779U (en) * | 2009-10-23 | 2010-08-18 | 北京工业大学 | Repeated load test device under composite stress |
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2009
- 2009-10-23 CN CN2009101800272A patent/CN101672744B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101000292A (en) * | 2006-12-15 | 2007-07-18 | 清华大学 | Large 3D multifunction soil tester |
| CN101419143A (en) * | 2008-11-21 | 2009-04-29 | 同济大学 | Bidirectional composite force loading test device for masonry test piece |
| CN201555779U (en) * | 2009-10-23 | 2010-08-18 | 北京工业大学 | Repeated load test device under composite stress |
Non-Patent Citations (4)
| Title |
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| 曹万林，等.双向单排配筋中高剪力墙抗震性能试验研究.《地震工程与工程振动》.2009,第29卷(第1期),103-108. |
| 曹万林等.双向单排配筋中高剪力墙抗震性能试验研究.《地震工程与工程振动》.2009,第29卷(第1期),103-108. * |
| 王全凤，等.HRB400级钢筋混凝土短柱抗震试验研究.《建筑结构学报》.2008,第29卷(第2期),114-117. |
| 王全凤等.HRB400级钢筋混凝土短柱抗震试验研究.《建筑结构学报》.2008,第29卷(第2期),114-117. * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105043901B (en) * | 2015-08-14 | 2018-08-28 | 中国商用飞机有限责任公司北京民用飞机技术研究中心 | A kind of mechanical connecting structure shearing performance test device and its test method |
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| CN101672744A (en) | 2010-03-17 |
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Granted publication date: 20110316 Termination date: 20131023 |