CN102519741A - Experiment device applicable to spatial penetrated joints - Google Patents
Experiment device applicable to spatial penetrated joints Download PDFInfo
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- CN102519741A CN102519741A CN2011103277192A CN201110327719A CN102519741A CN 102519741 A CN102519741 A CN 102519741A CN 2011103277192 A CN2011103277192 A CN 2011103277192A CN 201110327719 A CN201110327719 A CN 201110327719A CN 102519741 A CN102519741 A CN 102519741A
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Abstract
The invention discloses an experiment device applicable to spatial penetrated joints. The experiment device comprises two mutually vertical gantries, wherein the two gantries respectively consist of main gantry box-shaped columns with lug plates, secondary gantry box-shaped columns, main gantry box-shaped cross beams and secondary gantry cross beams, the tops and the bottoms of the two gantries are symmetrically provided with ring beams, the inner sides of the box-shaped columns with the lug plates of the two gantries are provided with box-shaped ring beams capable of vertically moving in the vertical direction of the box-shaped beams, the bottoms of the two gantries are provided with two mutually vertical main ground beams and secondary ground beams, inclined connecting beams are respectively arranged between the two mutually vertical adjacent ground beams, and upper flanges of the main ground beams, the secondary ground beams and the inclined connecting beams are respectively provided with equidistant screw bolt holes used for connecting experiment test element bases. The dismountable experiment device has the advantages that the transportation is convenient, high space adaptability is realized, and the experiment device can be used for the loading of any space angle.
Description
Technical field
The present invention relates to a kind of test unit, particularly a kind of space tubular joint test unit, this device is applicable to the slow test of any space tubular joint.
Background technology
Along with the sustained and rapid development of Chinese national economy, the long-span space steel construction has obtained application more and more widely in engineering.Application striding space pipe truss system in the structural steelwork greatly is more.Space tube truss is to pass through the space truss structure that is welded by steel pipe mutually with steel pipe.Therefore, node is the power transmission hinge of space tube truss, its complex structure, and crossing rod member is many, and weld seam is staggered, stressed complicacy.For guaranteeing structural safety, generally all need carry out the experimental study of space tube truss node.
General way is that this type test unit is disposable often or provisional, lacks versatility, causes very big waste to the special-purpose test unit of a certain particular space node processing.Perhaps the space tube truss node is reduced to plane node; Utilize comparatively simple mast apparatus to the plane node research experiment after simplifying then; But the plane node that obtains is handled in simplification to be studied; Can only reflect the actual mechanical property of origin node to a certain extent, have significant limitation.
Summary of the invention
The objective of the invention is to, a kind of test unit that can be used for any space tubular joint is provided, this device has very big dirigibility, can adapt to the space and load at any angle.
For realizing above-mentioned task, the present invention is achieved through following technical scheme:
A kind of test unit that is applicable to the space tubular joint; Comprise the orthogonal door frame of two Pin; Described two Pin door frames are made up of main door frame box column, inferior door frame box column and main door frame crossbeam, the inferior door frame crossbeam of band otic placode respectively; Wherein time door frame crossbeam middle part is broken off, and inferior door frame crossbeam adopts high-strength bolt to be connected with main door frame crossbeam; Top and bottom at two Pin door frames are symmetrically arranged with ring beam; Be provided with the box-shaped ring beam that can move up and down along the box column vertical direction in the inboard of the box column of two Pin door frame band otic placodes; Said removable box-shaped ring beam is provided with " L " shape joint with the end face and the bottom surface of the inboard intersection of box column of band otic placode, and said " L " shape joint is connected through the otic placode and the inboard wing listrium of high-strength bolt with the box column of band otic placode;
Be provided with two orthogonal main grade beams and time grade beam in the bottom of two Pin door frames; Wherein time grade beam middle part is broken off; Between two orthogonal adjacent grade beams, be respectively arranged with oblique contact beam; The top flange of main grade beam, inferior grade beam and oblique contact beam evenly is furnished with equally spaced bolt hole, is used to connect the base of testing test specimen.
Described main door frame box column is provided with otic placode with inside and outside two side wing edges of time door frame box column; Arrange the bolt hole of proportional spacing on the otic placode with main door frame box column, inferior door frame box column two side wing edges; Arrange ribbed stiffener between the otic placode bolt hole, be provided for being connected test at main door frame box column and time door frame box column vertical direction arbitrary height and load the termination.
The bottom of described two Pin door frames is provided with orthogonal main grade beam and is welded to connect with the inboard edge of a wing of main door frame box column and time door frame box column respectively with time grade beam, and main grade beam is connected through high-strength bolt with time grade beam.
Described main door frame box column, its box-shaped capital of inferior door frame box column and box-shaped suspension column all are provided with post-ring beam jointing; The ring beam at top, the ring beam of bottom link to each other with inferior door frame box column with main door frame box column respectively through post-ring beam jointing, and the ring beam at top all adopts high-strength bolt to be connected with post-ring beam jointing with the ring beam of bottom.
The oblique contact beam that is provided with respectively between described two orthogonal adjacent grade beams links to each other with time grade beam with main grade beam through high-strength bolt respectively; The top flange of main grade beam, inferior grade beam and oblique contact beam evenly is provided with equally spaced bolt hole.
The present invention is through master/inferior door frame box column, master/inferior door frame crossbeam, master/inferior grade beam and oblique contact beam thereof, stressed, the multiple spot loading of removable ring beam implementation space multiple spot; The setting of especially bolted removable box-shaped ring beam has changed the shortcoming that test unit space in the past loads bad adaptability.It more is applicable to the test unit of space tubular joint, can be used for the space and loads at any angle, each part detachable convenient transportation.
Description of drawings
Fig. 1 is a structural entity elevational schematic view of the present invention;
Fig. 2 is a main door frame elevational schematic view of the present invention;
Fig. 3 is of the present invention door frame elevational schematic view;
Fig. 4 is a schematic top plan view of the present invention;
Fig. 5 can move up and down the ring beam floor map for door frame post of the present invention inboard;
Fig. 6 is a base plane synoptic diagram of the present invention;
Fig. 7 is door frame crossbeam of the present invention (grade beam) connected node synoptic diagram;
Fig. 8 is door frame post of the present invention and top (bottom) ring beam connected node synoptic diagram;
Fig. 9 is for door frame post of the present invention and can move up and down ring beam connected node synoptic diagram;
Figure 10 is grade beam of the present invention and the oblique beam connecting node synoptic diagram of getting in touch.
Wherein each symbolic representation among the figure: 1, main door frame box column; 2, main beam; 3, inferior door frame box column; 4, inferior crossbeam; 5, top ring beam; 6, box-shaped ring beam moving up and down; 7, bottom ring beam; 8, main grade beam; 9, inferior grade beam; 10, oblique contact beam; 11, post-ring beam jointing; 12, " L " shape joint; 13, test specimen loads the termination.
Below in conjunction with accompanying drawing the present invention is done further detailed description.
Embodiment
The test unit that is applicable to the space tubular joint of the present invention; Comprise the orthogonal door frame of two Pin; Described two Pin door frames are made up of main door frame box column 1, inferior door frame box column 3 and main door frame crossbeam 2, the inferior door frame crossbeam 4 of band otic placode respectively; Wherein time door frame crossbeam 4 middle parts are broken off, and inferior door frame crossbeam 4 adopts high-strength bolt to be connected with main door frame crossbeam 2; Top and bottom at two Pin door frames are symmetrically arranged with top ring beam 5 and bottom ring beam 7; Be provided with the box-shaped ring beam 6 that can move up and down along box column (1,3) vertical direction in the inboard of the box column (1,3) of two Pin door frame band otic placodes; Removable box-shaped ring beam 6 is provided with " L " shape joint 12 with the end face and the bottom surface of the inboard intersection of box column (1,3) of band otic placode, and said " L " shape joint 12 is connected through the otic placode and the inboard wing listrium of high-strength bolt with the box column (1,3) of band otic placode.
Be provided with two orthogonal main grade beams 8 and time grade beam 9 in the bottom of two Pin door frames; Wherein time grade beam 9 middle parts are broken off; Between two orthogonal adjacent grade beams (8,9), can be respectively arranged with oblique contact beam 10; The top flange of main grade beam 8, inferior grade beam 9 and oblique contact beam 10 evenly is furnished with equally spaced bolt hole, is used to connect the base of testing test specimen.
Inside and outside two side wing edges of main door frame box column 1 and time door frame box column 3 are provided with otic placode; Arrange the bolt hole of proportional spacing on the otic placode with main door frame box column 1,3 liang of side wing edges of inferior door frame box column; Be connected with " L " 12 shape joints of removable box-shaped ring beam 6, to reduce tip side plate thickness and distortion.Arrange ribbed stiffener between the otic placode bolt hole, be provided for being connected test at main door frame box column 1 and time door frame box column 3 vertical direction arbitrary heights and load termination 13.
The bottom of two Pin door frames is provided with orthogonal main grade beam 8 and is welded to connect with the main door frame box column 1 and time door frame box column 3 inboard edges of a wing respectively with time grade beam 9, and main grade beam 8 and inferior grade beam 9 are connected through high-strength bolt.
Main door frame box column 1, inferior door frame box column 3 its box-shaped capitals and box-shaped suspension column all are provided with post-ring beam jointing 11; The ring beam 5 at top, the ring beam of bottom 7 link to each other with inferior door frame box column 3 with main door frame box column 1 respectively through post-ring beam jointing 11, and top ring beam 5 all adopts high-strength bolt to be connected with post-ring beam jointing 11 with bottom ring beam 7.
The oblique contact beam 10 that is provided with respectively between two orthogonal adjacent grade beams (8,9) links to each other with time grade beam 9 with main grade beam 8 through high-strength bolt respectively; The top flange of main grade beam 8, inferior grade beam 9 and oblique contact beam 10 evenly is provided with equally spaced bolt hole.
For the test specimen of space tubular joint test arbitrarily, has very strong space adaptability.Can or locate removable box-shaped ring beam 6 in the loading termination 13 of the arbitrary height installation test test specimen of two Pin door frames; At box-shaped ring beam 6 moving up and down; The arbitrarily angled test test specimen that connects in the plane, the oblique contact between grade beam and grade beam can be connected test test specimen base on the beam.
Referring to Fig. 1～Figure 10.Fig. 1 is the integrally-built elevational schematic view of test unit of the present invention; Test unit main body of the present invention is intersected vertically and is constituted by Fig. 2, two Pin door frames shown in Figure 3; Door frame is made up of with main beam 2 or inferior crossbeam 4 the box master's door frame post 1 or the inferior door frame box column 3 of band otic placode; Be welded to connect between the beam column; The bolt hole of box master's door frame post 1 and time door frame box column 3 inboard otic placodes layout proportional spacings is provided with ribbed stiffener between the otic placode, can load termination 13 at box master door frame post 1 or inferior door frame box column 3 arbitrary heights connection test.
Fig. 4-Fig. 6 is respectively door frame top ring beam, can moves up and down ring beam, bottom part ring Liangping face synoptic diagram.In the schematic top plan view shown in Figure 4, top ring beam 5 links to each other with main door frame box column (or inferior door frame box column 3) capital, and concrete connected mode is seen Fig. 8.In the moved up and down ring beam floor map shown in Figure 5, the inboard box-shaped ring beam moving up and down 6 of door frame post links to each other with the main door frame box column 1 or the inferior door frame box column 3 inboard edges of a wing through " L " shape joint 12, specifically sees Fig. 9.The box-shaped ring beam moving up and down 6 inboard edges of a wing are provided with otic placode, and otic placode is arranged the bolt hole of proportional spacing, arranges ribbed stiffener between the bolt hole, can in the ring beam plane, arbitrarily angled connection test load termination 13.In the base plane synoptic diagram shown in Figure 6, bottom ring beam 7 links to each other with at the bottom of main door frame box column 1 or inferior door frame box column 3 posts, and concrete connected mode is seen Fig. 8.
In test unit base plane synoptic diagram shown in Figure 6; Main grade beam 8 is vertical each other with time grade beam 9; Main grade beam 8, inferior grade beam 9 are welded to connect with main door frame box column 1, the inboard edge of a wing of inferior door frame box column 3 suspension columns respectively, and the needs according to the test test specimen are provided with oblique contact beam 10 between adjacent grade beam; The bolt hole of proportional spacing is arranged in the top flange of main grade beam 8, inferior grade beam 9 and oblique contact beam 10, is used to connect the base of testing test specimen.
Fig. 7 is door frame crossbeam (grade beam) connected node synoptic diagram, and main beam 2 (or main grade beam 8) adopts high-strength bolt to be connected with time crossbeam 4 (or inferior grade beam 9), and wherein time crossbeam 4 breaks off at the middle part with time grade beam 9.
Fig. 8 is door frame post and top (bottom) ring beam connected node synoptic diagram; Capital and suspension column at main door frame post 1 and time door frame post 3 all are provided with post-ring beam jointing 11; Top ring beam 5 (or bottom ring beam 7) is linked to each other with main door frame box column 1 (or inferior door frame box column 3) through post-ring beam jointing 11, and top ring beam 5 all adopts high-strength bolt to be connected with post-ring beam jointing 11 with bottom ring beam 7.
Fig. 9 is for the door frame post and can move up and down ring beam connected node synoptic diagram.End face and bottom surface that door frame post inboard can move up and down ring beam 6 and main door frame box column 1 (or inferior door frame box column 3) intersection are provided with " L " type joint 12, and " L " type joint 12 is welded to connect with box-shaped ring beam 6 moving up and down." L " type joint 12 can pass through high-strength bolt and main door frame box column 1 at door frame arbitrary height place, or inferior door frame box column 3 otic placodes and the connection of inboard wing listrium.
Figure 10 is grade beam and the oblique beam connecting node synoptic diagram of getting in touch.Oblique contact beam 10 adopts high-strength bolt to be connected with main grade beam 8 or inferior grade beam 9.
Test unit of the present invention has been successfully applied to the experimental study that the full size node is passed through in 3 spaces of Xian Xianyang International Airport T3A terminal roofing steel structure truss mutually; This node is made up of the steel pipe that 9 radical spaces pass through mutually; Angle is complicated between the rod member; Steel tube section is respectively Φ 300 * 18, Φ 273 * 16, Φ 168 * 8, and the test maximum load reaches 450t, has obtained good test effect.In the process of the test, the existence owing to bolted removable ring beam among the present invention and oblique linking beam has adapted to the variation of 3 test node rod member space angles well.At present, the space nodes through test unit research of the present invention has been successfully applied to Xian Xianyang International Airport T3A terminal roofing steel structure truss engineering.
Above-mentioned description to the embodiment of the invention can help the those of ordinary skill of this technical field to understand and application the present invention.Can easily make modification to embodiment according to the actual requirements for those of ordinary skill in the art, the General Principle that does not need performing creative labour will explain here is applied among other embodiment.Therefore, the invention is not restricted to the foregoing description, those skilled in the art should be within protection scope of the present invention to improvement and modification that the present invention makes according to announcement of the present invention.
Claims (5)
1. test unit that is applicable to the space tubular joint; Comprise the orthogonal door frame of two Pin; It is characterized in that: described two Pin door frames are made up of main door frame box column (1), inferior door frame box column (3) and main door frame crossbeam (2), the inferior door frame crossbeam (4) of band otic placode respectively; Wherein time door frame crossbeam (4) middle part is broken off, and inferior door frame crossbeam (4) adopts high-strength bolt to be connected with main door frame crossbeam (2); Top and bottom at two Pin door frames are symmetrically arranged with top ring beam (5) and bottom ring beam (7); Be provided with the box-shaped ring beam (6) that can move up and down along box column (1,3) vertical direction in the inboard of the box column (1,3) of two Pin door frame band otic placodes; Said removable box-shaped ring beam (6) is provided with " L " shape joint (12) with the end face and the bottom surface of the inboard intersection of box column (1,3) of band otic placode, and said " L " shape joint (12) is connected through the otic placode and the inboard wing listrium of high-strength bolt with the box column (1,3) of band otic placode;
Be provided with two orthogonal main grade beams (8) and time grade beam (9) in the bottom of two Pin door frames; Wherein time grade beam (9) middle part is broken off; Between two orthogonal adjacent grade beams (8,9), be respectively arranged with oblique contact beam (10); The top flange of main grade beam (8), inferior grade beam (9) and oblique contact beam (10) evenly is furnished with equally spaced bolt hole, is used to connect the base of testing test specimen.
2. the test unit that is applicable to the space tubular joint as claimed in claim 1; It is characterized in that: inside and outside two side wing edges of described main door frame box column (1) and time door frame box column (3) are provided with otic placode; Arrange the bolt hole of proportional spacing on the otic placode with main door frame box column (1), inferior door frame box column (3) two side wing edges; Arrange ribbed stiffener between the otic placode bolt hole, be provided for being connected test at main door frame box column (1) and time door frame box column (3) vertical direction arbitrary height and load termination (13).
3. the test unit that is applicable to the space tubular joint as claimed in claim 1; It is characterized in that: orthogonal main grade beam (8) is set in the bottom of described two Pin door frames and time grade beam (9) is welded to connect with the main door frame box column (1) and time inboard edge of a wing of door frame box column (3) respectively, and main grade beam (8) is connected through high-strength bolt with time grade beam (9).
4. the test unit that is applicable to the space tubular joint as claimed in claim 1; It is characterized in that: described main door frame box column (1), its box-shaped capital of inferior door frame box column (3) and box-shaped suspension column all are provided with post-ring beam jointing (11); The ring beam (7) of the ring beam at top (5), bottom links to each other with time door frame box column (3) with main door frame box column (1) respectively through post-ring beam jointing (11), and top ring beam (5) all adopts high-strength bolt to be connected with post-ring beam jointing (11) with bottom ring beam (7).
5. the test unit that is applicable to the space tubular joint as claimed in claim 1 is characterized in that: the oblique contact beam (10) that is provided with respectively between described two orthogonal adjacent grade beams (8,9) links to each other with time grade beam (9) with main grade beam (8) through high-strength bolt respectively; The top flange of main grade beam (8), inferior grade beam (9) and oblique contact beam (10) evenly is provided with equally spaced bolt hole.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103277192A CN102519741B (en) | 2011-10-25 | 2011-10-25 | Experiment device applicable to spatial penetrated joints |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103277192A CN102519741B (en) | 2011-10-25 | 2011-10-25 | Experiment device applicable to spatial penetrated joints |
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| Publication Number | Publication Date |
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| CN102519741A true CN102519741A (en) | 2012-06-27 |
| CN102519741B CN102519741B (en) | 2013-11-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011103277192A Active CN102519741B (en) | 2011-10-25 | 2011-10-25 | Experiment device applicable to spatial penetrated joints |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108507765A (en) * | 2018-02-13 | 2018-09-07 | 太原理工大学 | A kind of universal reaction frame for loading and its assembly method |
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| JP3911676B2 (en) * | 2002-07-11 | 2007-05-09 | 株式会社竹中工務店 | SPC structural frame |
| CN101526436A (en) * | 2009-04-22 | 2009-09-09 | 天津大学 | Reaction frame for self-balanced loading |
| CN101968406A (en) * | 2010-08-27 | 2011-02-09 | 北京工业大学 | K-joint combined loading test device |
| CN202305250U (en) * | 2011-10-25 | 2012-07-04 | 西安建筑科技大学 | Testing device suitable for spatial penetrated joint |
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2011
- 2011-10-25 CN CN2011103277192A patent/CN102519741B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3911676B2 (en) * | 2002-07-11 | 2007-05-09 | 株式会社竹中工務店 | SPC structural frame |
| CN101526436A (en) * | 2009-04-22 | 2009-09-09 | 天津大学 | Reaction frame for self-balanced loading |
| CN101968406A (en) * | 2010-08-27 | 2011-02-09 | 北京工业大学 | K-joint combined loading test device |
| CN202305250U (en) * | 2011-10-25 | 2012-07-04 | 西安建筑科技大学 | Testing device suitable for spatial penetrated joint |
Non-Patent Citations (1)
| Title |
|---|
| 陈以一等: "《圆钢管相贯节点抗弯刚度和承载力实验》", 《建筑结构学报》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108507765A (en) * | 2018-02-13 | 2018-09-07 | 太原理工大学 | A kind of universal reaction frame for loading and its assembly method |
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Effective date of registration: 20210621 Address after: 215500 5th floor, building 4, 68 Lianfeng Road, Changfu street, Changshu City, Suzhou City, Jiangsu Province Patentee after: Changshu intellectual property operation center Co.,Ltd. Address before: 710055 No. 13, Yanta Road, Shaanxi, Xi'an Patentee before: XI'AN University OF ARCHITECTURE & TECHNOLOGY |
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