CN213516691U - Horizontal loading test device of assembled pipe truss support node - Google Patents
Horizontal loading test device of assembled pipe truss support node Download PDFInfo
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- CN213516691U CN213516691U CN202022013666.4U CN202022013666U CN213516691U CN 213516691 U CN213516691 U CN 213516691U CN 202022013666 U CN202022013666 U CN 202022013666U CN 213516691 U CN213516691 U CN 213516691U
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- support node
- stiffening ribs
- truss support
- pipe truss
- test piece
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Abstract
The utility model discloses an assembled pipe truss support node horizontal loading test device, counter-force wall and steel ground anchor beam including parallel arrangement, installation pipe truss support node test piece on the side that steel ground anchor beam is close to counter-force wall, be equipped with the jack fixing base on the side that counter-force wall is close to steel ground anchor beam, it has two-way hydraulic jack to articulate on the jack fixing base, serve in the flexible of two-way hydraulic jack and be connected with force cell sensor, the one end of keeping away from two-way hydraulic jack at force cell sensor is connected with articulated joint, articulated joint and pipe truss support node test piece articulated seat pass through the bolt pin and connect, two-way hydraulic jack level sets up, central line and pipe truss support node test piece steel-pipe axis collineation. The utility model realizes horizontal loading, has simple test operation, is convenient for the installation and the disassembly of the test piece, and is convenient for observing the test phenomenon; adopt assembled structure, repeatedly usable has improved the utilization ratio, has practiced thrift the expense.
Description
Technical Field
The utility model belongs to support node performance research test equipment, concretely relates to horizontal loading test device of assembled pipe truss support node.
Background
With the continuous innovation and development of the spatial structure in China, the steel pipe truss spatial structure has good stress performance, so that the steel pipe truss spatial structure is widely applied to large-scale public places, such as stadiums, airport terminal buildings, exhibition centers and the like. And a plurality of rod pieces are intersected at the bottom support of the steel pipe truss structure, so that the stress is complex. Aiming at different space pipe truss structures, due to the stress particularity of the supports, loading tests are required to be carried out on the supports, and the damage characteristics and the bearing performance of the supports are researched. However, because the pipe truss support joint belongs to a space joint, the installation difficulty is high when a vertical loading mode is adopted, the test loading is difficult, the installation and disassembly process of the pipe truss support joint test piece is complex, and manpower and material resources are consumed. Therefore, it is necessary to provide a loading test device for the support node of the assembled pipe truss, which is convenient to construct, simple to operate, safe, reliable and reusable.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve the technical problem who exists among the well-known art and provide a horizontal loading test device of assembled pipe truss support node, this test device installation is convenient, convenient operation, safe and reliable.
The utility model discloses a solve the technical scheme that technical problem that exists among the well-known technique took and be: the utility model provides an assembled pipe truss support node horizontal loading test device, includes parallel arrangement's counter-force wall and steel ground anchor beam the steel ground anchor beam is close to install pipe truss support node test piece on the side of counter-force wall the counter-force wall is close to be equipped with the jack fixing base on the side of steel ground anchor beam it has two-way hydraulic jack to articulate on the jack fixing base be connected with force cell sensor on two-way hydraulic jack's the flexible end the one end that force cell sensor kept away from two-way hydraulic jack is connected with articulated joint, articulated joint and pipe truss support node test piece articulated seat are through the bolt pin connection, two-way hydraulic jack level sets up, central line and pipe truss support node test piece steel-pipe axis collineatly.
Be equipped with a plurality of ground anchor beam installation punch combination subaerial, steel ground anchor beam passes through bolt I with ground and is connected be equipped with a plurality of jack installation punch combination on the counter-force wall, the jack fixing base with the counter-force wall passes through bolt II to be connected the steel ground anchor beam is close to be equipped with a plurality of test piece installation punch combination on the side of counter-force wall, pipe truss support node test piece with the steel ground anchor beam passes through bolt III and connects.
The steel ground anchor beam is provided with a bottom plate connected with the ground and a vertical plate fixedly connected with the bottom plate, the vertical plate is parallel to the reaction wall, a pipe truss support joint test piece is installed on the side face, close to the reaction wall, of the vertical plate, and a stiffening rib is arranged on the side face, far away from the reaction wall, of the vertical plate.
The stiffening ribs comprise trapezoidal transverse stiffening ribs, rectangular transverse stiffening ribs, longitudinal stiffening ribs and top stiffening ribs, the two trapezoidal transverse stiffening ribs are arranged in the middle of the vertical plate in a bilateral symmetry mode and are respectively located on two sides of all the test piece mounting hole groups and fixedly connected with the vertical plate and the bottom plate, the four rectangular transverse stiffening ribs are symmetrically arranged on two sides of the trapezoidal transverse stiffening ribs and fixedly connected with the vertical plate and the bottom plate, the two longitudinal stiffening ribs extend along the whole length of the vertical plate and are perpendicularly welded with the trapezoidal transverse stiffening ribs and the rectangular transverse stiffening ribs, and the top stiffening ribs are perpendicularly welded above the trapezoidal transverse stiffening ribs.
The utility model has the advantages and positive effects that: the horizontal loading is realized by arranging the two-way hydraulic jacks horizontally arranged between the reaction wall and the steel ground anchor beam which are arranged in parallel and horizontally loading along the axial direction of the steel pipe of the pipe truss support joint test piece, the test operation is simple, the test piece is convenient to install and disassemble, and the horizontal loading mode is convenient for observing the test phenomenon; by adopting the assembly structure, the loading device can be repeatedly used, the utilization rate is improved, and the cost is saved.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a top view of the present invention;
fig. 3 is a side view of the present invention;
FIG. 4 is a schematic structural view of the steel anchor beam of the present invention;
fig. 5 is a schematic view of the structure of the jack fixing seat of the present invention.
In the figure: 1. a counterforce wall; 2. a jack fixing seat; 3. a latch; 4. a bidirectional hydraulic jack; 5. a force sensor; 6. a pipe truss support joint test piece; 61. a pipe truss support node test piece hinge base; 62. a test piece steel pipe of a pipe truss support node; 7. a steel ground anchor beam; 71. a vertical plate; 72. a base plate; 73. a trapezoidal transverse stiffener; 74. a rectangular transverse stiffener; 75. a longitudinal stiffener; 76. a top stiffener; 8. and (4) the ground.
Detailed Description
For further understanding of the contents, features and effects of the present invention, the following embodiments are exemplified in conjunction with the accompanying drawings as follows:
referring to fig. 1 to 5, an assembled tube truss support node horizontal loading test device comprises a reaction wall 1 and a steel ground anchor beam 7 which are arranged in parallel, a tube truss support node test piece 6 is installed on the side surface of the steel ground anchor beam 7 close to the reaction wall 1, a jack fixing seat 2 is arranged on the side surface of the reaction wall 1 close to the steel ground anchor beam 7, a bidirectional hydraulic jack 4 is hinged on the jack fixing seat 2, a force transducer 5 is connected on the telescopic end of the bidirectional hydraulic jack 4, a hinge joint is connected at one end of the force transducer 5 far away from the bidirectional hydraulic jack 4, the hinge joint and a tube truss support node test piece hinge seat 61 are connected through a bolt pin 3, the bidirectional hydraulic jack 4 is horizontally arranged, and the central line is collinear with the axis of a steel tube 62 of the truss support node test piece, and ensuring that the bidirectional jack 4 is axially and horizontally loaded along the test piece steel pipe 62 of the pipe truss support node.
In this embodiment, be equipped with a plurality of earth anchor roof beam installation punch combination on ground 8, steel earth anchor roof beam 7 passes through bolt I with ground and is connected be equipped with a plurality of jack installation punch combination on the counter-force wall 1, jack fixing base 2 with counter-force wall 1 passes through bolt II to be connected steel earth anchor roof beam 7 is close to be equipped with a plurality of test piece installation punch combination on the side of counter-force wall 1, pipe truss support node test piece 6 with steel earth anchor roof beam 7 passes through bolt III and connects. Adopt position adjustable bolted connection structure, can make the test device be used for the pipe truss support node test of multiple size, improve the utilization ratio.
In this embodiment, the steel ground anchor beam 7 is provided with a bottom plate 72 connected with the ground and an upright plate 71 fixedly connected with the bottom plate 72, the upright plate 71 is parallel to the reaction wall 1, a pipe truss support node test piece 6 is mounted on the side surface of the upright plate 71 close to the reaction wall 1, and a stiffening rib is arranged on the side surface of the upright plate 71 away from the reaction wall 1 for enhancing the rigidity of the steel ground anchor beam 7. The stiffening ribs comprise trapezoidal transverse stiffening ribs 73, rectangular transverse stiffening ribs 74, longitudinal stiffening ribs 75 and top stiffening ribs 76, wherein the two trapezoidal transverse stiffening ribs 73 are arranged in the middle of the vertical plate 71 in a bilateral symmetry mode, are respectively arranged on two sides of all the test piece mounting hole groups and are fixedly connected with the vertical plate 71 and the bottom plate 72, the four rectangular transverse stiffening ribs 74 are symmetrically arranged on two sides of the two trapezoidal transverse stiffening ribs 73 and are fixedly connected with the vertical plate 71 and the bottom plate 72, the two longitudinal stiffening ribs 75 extend along the whole length of the vertical plate 71 and are vertically welded with the trapezoidal transverse stiffening ribs 73 and the rectangular transverse stiffening ribs 74, and the top stiffening ribs 76 are vertically welded above the trapezoidal transverse stiffening ribs 73 and are used for improving the bending rigidity of the steel ground anchor beam vertical plate 71.
Although the preferred embodiments of the present invention have been described with reference to the accompanying drawings, the present invention is not limited to the above-mentioned embodiments, which are only illustrative and not restrictive, and those skilled in the art can make many forms without departing from the spirit and scope of the present invention, which is within the scope of the present invention.
Claims (4)
1. The horizontal loading test device is characterized by comprising a reaction wall and a steel ground anchor beam which are arranged in parallel, wherein the steel ground anchor beam is close to the side face of the reaction wall, a pipe truss support node test piece is installed on the side face of the reaction wall, a jack fixing seat is arranged on the side face of the reaction wall close to the steel ground anchor beam, a bidirectional hydraulic jack is hinged to the jack fixing seat, a force measuring sensor is connected to the telescopic end of the bidirectional hydraulic jack, one end, away from the bidirectional hydraulic jack, of the force measuring sensor is connected with a hinged joint, the hinged joint is connected with a pipe truss support node test piece hinged seat through a bolt pin, and the bidirectional hydraulic jack is horizontally arranged, and the central line of the hinged joint is collinear with the steel pipe axis of the pipe truss support node test piece.
2. The horizontal loading test device of an assembled pipe truss support node as claimed in claim 1, wherein a plurality of anchor beam mounting hole sets are arranged on the ground, the steel anchor beam is connected with the ground through a bolt I, a plurality of jack mounting hole sets are arranged on the reaction wall, the jack fixing seat is connected with the reaction wall through a bolt II, a plurality of test piece mounting hole sets are arranged on the side surface of the steel anchor beam close to the reaction wall, and the pipe truss support node test piece is connected with the steel anchor beam through a bolt III.
3. The horizontal loading test device for the assembled pipe truss support node as claimed in claim 2, wherein the steel ground anchor beam is provided with a bottom plate connected with the ground and a vertical plate fixedly connected with the bottom plate, the vertical plate is parallel to the reaction wall, a pipe truss support node test piece is mounted on the side of the vertical plate close to the reaction wall, and a stiffening rib is arranged on the side of the vertical plate far away from the reaction wall.
4. The horizontal loading test device for the fabricated pipe truss support node according to claim 3, wherein the stiffening ribs comprise trapezoidal transverse stiffening ribs, rectangular transverse stiffening ribs, longitudinal stiffening ribs and top stiffening ribs, two of the trapezoidal transverse stiffening ribs are symmetrically arranged in the middle of the vertical plate and are respectively arranged on two sides of all the test piece mounting hole groups and are fixedly connected with the vertical plate and the bottom plate, four of the rectangular transverse stiffening ribs are symmetrically arranged on two sides of the two of the trapezoidal transverse stiffening ribs and are fixedly connected with the vertical plate and the bottom plate, two of the longitudinal stiffening ribs extend along the whole length of the vertical plate and are vertically welded with the trapezoidal transverse stiffening ribs and the rectangular transverse stiffening ribs, and the top stiffening ribs are vertically welded above the trapezoidal transverse stiffening ribs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022013666.4U CN213516691U (en) | 2020-09-15 | 2020-09-15 | Horizontal loading test device of assembled pipe truss support node |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022013666.4U CN213516691U (en) | 2020-09-15 | 2020-09-15 | Horizontal loading test device of assembled pipe truss support node |
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| Publication Number | Publication Date |
|---|---|
| CN213516691U true CN213516691U (en) | 2021-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022013666.4U Active CN213516691U (en) | 2020-09-15 | 2020-09-15 | Horizontal loading test device of assembled pipe truss support node |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115014968A (en) * | 2022-08-09 | 2022-09-06 | 山西潇河建筑产业有限公司 | High-efficiency truss node strength detection device and detection method thereof |
-
2020
- 2020-09-15 CN CN202022013666.4U patent/CN213516691U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115014968A (en) * | 2022-08-09 | 2022-09-06 | 山西潇河建筑产业有限公司 | High-efficiency truss node strength detection device and detection method thereof |
| CN115014968B (en) * | 2022-08-09 | 2022-11-08 | 山西潇河建筑产业有限公司 | High-efficiency truss node strength detection device and detection method thereof |
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