CN204008303U - Subjected To Compression, Bending, Shear composite force member load testing machine - Google Patents
Subjected To Compression, Bending, Shear composite force member load testing machine Download PDFInfo
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- CN204008303U CN204008303U CN201420385038.0U CN201420385038U CN204008303U CN 204008303 U CN204008303 U CN 204008303U CN 201420385038 U CN201420385038 U CN 201420385038U CN 204008303 U CN204008303 U CN 204008303U
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Abstract
A kind of Subjected To Compression, Bending, Shear composite force member load testing machine, the bottom of test specimen is fixed on pedestal case, level jack is fixed on reaction frame, vertical lifting jack is fixed on bearing support, bearing support is nested with in the slide rail on reaction frame back timber, on the apical axis of level jack, establish horizontal loading circular arc hinge, laterally load plate is placed on the cover plate of test specimen; Vertically the apical axis of lifting jack is affixed with vertical loading ball pivot, and vertically loading ball pivot bottom surface is Surface of Sphere, vertically loads on ball seat and has rounded channels, and this rounded channels is cut with scissors with the identical circular arc that forms of the Surface of Sphere that vertically loads ball pivot bottom.The utility model is realized the loading of various members being under pressure, moment of flexure, shearing in the situation that, the circular arc hinge that laterally load plate, laterally loading hinge form realizes horizontal shear and applies, vertical load ball pivot, vertically load the ball pivot that ball seat forms and realize applying of axle pressure, this structure assurance horizontal shear is all born by test specimen, whole apparatus structure is comparatively simple, uses reliable.
Description
Technical field
The utility model relates to a kind of Subjected To Compression, Bending, Shear composite force member load testing machine.
Background technology
Building element is used for putting into practice engineering, as being provided with the Nodes of diagonal brace between steel core concrete column, existing building and the junction of building enlargement, across the beam column node area of heavily loaded beam, all may there is affecting the building element shearing resistance problem of its bearing capacity in these places greatly.In seismic survey and observation, find, in building structure, the destruction of pillar is that various combination due to the compound load of Subjected To Compression, Bending, Shear And Torsion causes.At present domestic to Subjected To Compression, Bending, Shear member load testing machine, mainly contain MTS actuator, hydraulic jack, counter-force steelframe, counter-force steel column, their structure is comparatively complicated, to having relatively high expectations of reaction frame, is unfavorable for being subject to the further investigation of Subjected To Compression, Bending, Shear member and engineering to apply.Therefore says, need a kind of not only simply but also cost-effective load testing machine, to apply at Practical Project or in testing.
Summary of the invention
The purpose of this utility model is to provide a kind of cost low, simple in structure, can realize the Subjected To Compression, Bending, Shear composite force member load testing machine that various members load being under pressure, moment of flexure, shearing in the situation that.
Subjected To Compression, Bending, Shear composite force member load testing machine of the present utility model, comprise bottom fixed pedestal, pedestal case, reaction frame, level jack, vertical lifting jack, back timber, bottom fixed pedestal is fixed on reaction frame base plate central authorities, pedestal case is arranged on the fixed pedestal of bottom, it is characterized in that, the bottom of test specimen is bolted on pedestal case, level jack is contained on i shaped steel by bolt, i shaped steel is fixed on reaction frame side, vertical lifting jack is fixed on bearing support, bearing support is nested with in the slide rail on reaction frame back timber, between bearing support and slide rail, ball is installed, vertical lifting jack can be along with sliding on the slide rail of bearing support on reaction frame back timber, make vertical lifting jack in the horizontal direction with the displacement synchronous of test specimen, on the apical axis of level jack, be fixed with horizontal loading circular arc hinge, laterally load in circular arc hinge and have concave circular arcs groove, laterally load plate is J-shaped member, laterally the crotch medial surface of load plate is draw-in groove, laterally the radian of the crotch exterior arc surface of load plate is identical with the concave circular arcs groove radian laterally loading in circular arc hinge, two cambered surfaces form circular arc hinge, and laterally load plate is placed on the cover plate of test specimen, and its draw-in groove is stuck in test specimen cover plate edge, the apical axis of vertical lifting jack is affixed with vertical loading ball pivot, vertical loading ball pivot is stepped appearance right cylinder, its bottom surface is Surface of Sphere, vertical loading on ball seat has rounded channels, this rounded channels is coincide and is formed circular arc hinge with the vertical Surface of Sphere that loads ball pivot bottom, during work, vertically load ball seat and be placed on horizontal load plate center.
Subjected To Compression, Bending, Shear composite force member load testing machine of the present utility model, level jack is by realizing test specimen is applied to horizontal shear by laterally loading circular arc hinge and circular arc hinge that laterally load plate forms, and vertical lifting jack is by realizing test specimen is applied to axle pressure by vertically loading ball pivot that ball pivot and vertical loading ball seat form; Test specimen can run-off the straight under horizontal shear and Moment, is placed on the horizontal shift that the vertical loading ball seat in horizontal load plate can produce along with the cover plate of test specimen and causes and the inclination of vertical lifting jack guarantee that axle pressure remains vertical direction.It has the following advantages: realize various members and be under pressure, moment of flexure, loading in the situation of shearing, horizontal load plate, the circular arc hinge that laterally loads hinge formation has realized applying of horizontal shear, the vertical ball pivot that loads, the vertical ball pivot that loads ball seat formation has been realized applying of axle pressure, ball load assembly is subject to after axle pressure test specimen upper cover plate, the frictional resistance that test specimen upper end is subject to is minimum, this structure has guaranteed that the horizontal shear applying almost all born by test specimen, whole apparatus structure is comparatively simple, and use reliable, to testing equipment require low, and they all select high rigidity steel, not because test is out of shape, guarantee that charger can drop into test repeatedly, there is the higher value that recycles.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is partial enlarged drawing in Fig. 1.
Embodiment
A kind of Subjected To Compression, Bending, Shear composite force member load testing machine, comprise bottom fixed pedestal 1, pedestal case 2, reaction frame 3, level jack 5, vertical lifting jack 10, back timber 14, bottom fixed pedestal 1 is fixed on 3 base plate central authorities of counter-force, pedestal case 2 is arranged on the fixed pedestal 1 of bottom, it is characterized in that, the bottom of test specimen 6 is bolted on pedestal case 2, level jack 5 is contained on i shaped steel 4 by bolt, i shaped steel 4 is fixed on reaction frame 3 sides, vertical lifting jack 10 is fixed on bearing support 12, bearing support 12 is nested with in the slide rail 13 on reaction frame 3 back timbers 14, between bearing support 12 and slide rail 13, ball 15 is installed, on the apical axis of level jack 5, be fixed with horizontal loading circular arc hinge 11, laterally load in circular arc hinge 11 and have concave circular arcs groove, laterally load plate 8 is J-shaped member, laterally the crotch medial surface of load plate 8 is draw-in groove, laterally the radian of the crotch exterior arc surface of load plate 8 is identical with the concave circular arcs groove radian laterally loading in circular arc hinge 11, two cambered surfaces form circular arc hinge, and laterally load plate 11 is placed on the cover plate 7 of test specimen 6, and its draw-in groove is stuck in test specimen cover plate 7 edges, the apical axis of vertical lifting jack 10 is affixed with vertical loading ball pivot 16, vertical loading ball pivot 16 is stepped appearance right cylinder, its bottom surface is Surface of Sphere, vertical loading on ball seat 9 has rounded channels, this rounded channels is coincide and is formed circular arc hinge with the vertical Surface of Sphere that loads ball pivot 16 bottoms, during work, vertically load ball seat 9 and be placed on horizontal load plate 8 centers.
Claims (2)
1. a Subjected To Compression, Bending, Shear composite force member load testing machine, comprise bottom fixed pedestal (1), pedestal case (2), reaction frame (3), level jack (5), vertical lifting jack (10), back timber (14), bottom fixed pedestal (1) is fixed on counter-force (3) frame base plate central authorities, pedestal case (2) is arranged on bottom fixed pedestal (1), it is characterized in that: the bottom of test specimen (6) is bolted on pedestal case (2), level jack (5) is contained on i shaped steel (4) by bolt, i shaped steel (4) is fixed on reaction frame (3) side, vertical lifting jack (10) is fixed on bearing support (12), bearing support (12) is nested with in the slide rail (13) on reaction frame (3) back timber (14), between bearing support (12) and slide rail (13), ball (15) is installed, on the apical axis of level jack (5), be fixed with horizontal loading circular arc hinge (11), laterally load in circular arc hinge (11) and have concave circular arcs groove, laterally load plate (8) is J-shaped member, laterally the crotch medial surface of load plate (8) is draw-in groove, laterally the radian of the crotch exterior arc surface of load plate (8) is identical with the concave circular arcs groove radian laterally loading in circular arc hinge (11), two cambered surfaces form circular arc hinge, laterally load plate (11) is placed on the cover plate (7) of test specimen (6), and its draw-in groove is stuck in test specimen cover plate (7) edge, the apical axis of vertical lifting jack (10) is affixed with vertical loading ball pivot (16), its bottom surface is Surface of Sphere, vertical loading on ball seat (9) has rounded channels, this rounded channels is coincide and is formed circular arc hinge with the vertical Surface of Sphere that loads ball pivot (16) bottom, during work, vertically load ball seat (9) and be placed on horizontal load plate (8) center.
2. Subjected To Compression, Bending, Shear composite force member load testing machine according to claim 1, is characterized in that: vertically loading ball pivot (16) is stepped appearance right cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420385038.0U CN204008303U (en) | 2014-07-14 | 2014-07-14 | Subjected To Compression, Bending, Shear composite force member load testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420385038.0U CN204008303U (en) | 2014-07-14 | 2014-07-14 | Subjected To Compression, Bending, Shear composite force member load testing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204008303U true CN204008303U (en) | 2014-12-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420385038.0U Withdrawn - After Issue CN204008303U (en) | 2014-07-14 | 2014-07-14 | Subjected To Compression, Bending, Shear composite force member load testing machine |
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| Country | Link |
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| CN (1) | CN204008303U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104089820A (en) * | 2014-07-14 | 2014-10-08 | 华东交通大学 | Device for testing loading of component compositely stressed by pressure, bending moment and shearing force |
| CN107764665A (en) * | 2017-11-22 | 2018-03-06 | 广西大学 | A kind of vertical load loading device of subjected to combined torsion experiment |
| CN108896400A (en) * | 2018-08-01 | 2018-11-27 | 同济大学 | A kind of structural testing system applying tension and compression curved scissors power |
| CN109374446A (en) * | 2018-09-29 | 2019-02-22 | 长安大学 | A kind of impact test apparatus |
| CN110411722A (en) * | 2019-07-26 | 2019-11-05 | 中国航发沈阳发动机研究所 | A kind of structural static and fatigue experimental device |
| CN113478214A (en) * | 2021-07-13 | 2021-10-08 | 大连理工大学 | Small-size bolt pre-tightening process and device based on axial pre-load |
| CN113834723A (en) * | 2021-09-15 | 2021-12-24 | 郑州航空工业管理学院 | Four-point bending test fixture with self-adjusting capability and application method thereof |
-
2014
- 2014-07-14 CN CN201420385038.0U patent/CN204008303U/en not_active Withdrawn - After Issue
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104089820A (en) * | 2014-07-14 | 2014-10-08 | 华东交通大学 | Device for testing loading of component compositely stressed by pressure, bending moment and shearing force |
| CN104089820B (en) * | 2014-07-14 | 2016-04-06 | 华东交通大学 | Subjected To Compression, Bending, Shear composite force component load testing machine |
| CN107764665A (en) * | 2017-11-22 | 2018-03-06 | 广西大学 | A kind of vertical load loading device of subjected to combined torsion experiment |
| CN107764665B (en) * | 2017-11-22 | 2024-06-11 | 广西大学 | Vertical load loading device for composite torsion experiment |
| CN108896400A (en) * | 2018-08-01 | 2018-11-27 | 同济大学 | A kind of structural testing system applying tension and compression curved scissors power |
| CN109374446A (en) * | 2018-09-29 | 2019-02-22 | 长安大学 | A kind of impact test apparatus |
| CN110411722A (en) * | 2019-07-26 | 2019-11-05 | 中国航发沈阳发动机研究所 | A kind of structural static and fatigue experimental device |
| CN113478214A (en) * | 2021-07-13 | 2021-10-08 | 大连理工大学 | Small-size bolt pre-tightening process and device based on axial pre-load |
| CN113834723A (en) * | 2021-09-15 | 2021-12-24 | 郑州航空工业管理学院 | Four-point bending test fixture with self-adjusting capability and application method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141210 Effective date of abandoning: 20160406 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |