CN112611629A - Multifunctional stone curtain wall connecting node bearing capacity test device - Google Patents
Multifunctional stone curtain wall connecting node bearing capacity test device Download PDFInfo
- Publication number
- CN112611629A CN112611629A CN202011447503.5A CN202011447503A CN112611629A CN 112611629 A CN112611629 A CN 112611629A CN 202011447503 A CN202011447503 A CN 202011447503A CN 112611629 A CN112611629 A CN 112611629A
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- stone
- bottom plate
- hanging rod
- steel plate
- rod anchoring
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- 239000004575 stone Substances 0.000 title claims abstract description 78
- 238000012360 testing method Methods 0.000 title claims abstract description 47
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 56
- 239000010959 steel Substances 0.000 claims abstract description 56
- 238000004873 anchoring Methods 0.000 claims abstract description 53
- 238000005096 rolling process Methods 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims description 7
- 238000000034 method Methods 0.000 description 4
- 238000011160 research Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/04—Chucks
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/04—Chucks, fixtures, jaws, holders or anvils
- G01N2203/0423—Chucks, fixtures, jaws, holders or anvils using screws
Abstract
The invention provides a multifunctional stone curtain wall connecting node bearing capacity test device, which comprises: the device comprises a ladder-shaped hanging rod anchoring clamp, an I-shaped steel plate, a roller bracket, a bottom plate and a connecting column; the four connecting columns are rotationally and symmetrically distributed around the axis of the bottom plate so as to connect and fix the bottom plate and the I-shaped steel plate; two connecting columns positioned on the same side also penetrate through the stepped hanging rod anchoring clamp so as to be fixed between the bottom plate and the I-shaped steel plate; the side wall of each step of the ladder-shaped hanging rod anchoring clamp is respectively provided with a connecting hole for fixing a stone hanging piece; the roller bracket is arranged on one side of the bottom plate, which faces the I-shaped steel plate; and two sides of the stone are respectively fixed with a ladder-shaped hanging rod anchoring clamp, or one side of the stone is fixed with a ladder-shaped hanging rod anchoring clamp, and the other side of the stone is in rolling connection with the roller surface of the roller bracket.
Description
Technical Field
The invention relates to a bearing capacity test device, in particular to a bearing capacity test device for a stone curtain wall node.
Background
The natural texture of the stone curtain wall explains the high-class new classical architectural style, but the natural stone panel can show cracks or fractures under the action of external load, the cracks or fractures are mostly caused at the anchoring connection part, and great life safety hazards can exist. However, in order to research the connection strength and the bearing capacity limit state between the stone curtain wall and the anchoring pendant at present, in the process of testing, because the bending-resistant bearing strength of the stone panel is only about 8 megapascals, the tonnage is light, and the ultimate load is only 2kN, no proper test frame and no loading device meeting the tonnage are available at present.
Disclosure of Invention
The invention aims to solve the main technical problem of providing a test stand which is simple to process, convenient to install and strong in operability and meets the requirements of dry hanging node bearing capacity tests of stone curtain walls with different sizes in order to reproduce boundary conditions and loading working conditions of actual conditions.
In order to solve the above technical problem, the present invention provides a multifunctional stone curtain wall connection node bearing capacity test device, which comprises: the device comprises a ladder-shaped hanging rod anchoring clamp, an I-shaped steel plate, a roller bracket, a bottom plate and a connecting column;
the four connecting columns are rotationally and symmetrically distributed around the axis of the bottom plate so as to connect and fix the bottom plate and the I-shaped steel plate;
two connecting columns positioned on the same side also penetrate through the stepped hanging rod anchoring clamp so as to be fixed between the bottom plate and the I-shaped steel plate;
the side wall of each step of the ladder-shaped hanging rod anchoring clamp is respectively provided with a connecting hole for fixing a stone hanging piece;
the roller bracket is arranged on one side of the bottom plate, which faces the I-shaped steel plate;
and two sides of the stone are respectively fixed with a ladder-shaped hanging rod anchoring clamp, or one side of the stone is fixed with a ladder-shaped hanging rod anchoring clamp, and the other side of the stone is in rolling connection with the roller surface of the roller bracket.
The invention also provides a multifunctional stone curtain wall connecting node bearing capacity test device, which comprises: the device comprises a ladder-shaped hanging rod anchoring clamp, an I-shaped steel plate, a roller bracket, a bottom plate and a connecting column;
the four connecting columns are rotationally and symmetrically distributed around the axis of the bottom plate so as to connect and fix the bottom plate and the I-shaped steel plate;
the bottom plate is provided with a screw hole for fixing the stepped hanging rod anchoring clamp; fixing the stepped hanging rod anchoring clamp with different screw holes so as to change the position of the stepped hanging rod anchoring clamp on the bottom plate;
the side wall of each step of the ladder-shaped hanging rod anchoring clamp is respectively provided with a connecting hole for fixing a stone hanging piece;
the roller bracket is arranged on one side of the bottom plate, which faces the I-shaped steel plate;
and two sides of the stone are respectively fixed with a ladder-shaped hanging rod anchoring clamp, or one side of the stone is fixed with a ladder-shaped hanging rod anchoring clamp, and the other side of the stone is in rolling connection with the roller surface of the roller bracket.
In a preferred embodiment: and the stones with different sizes are connected with the connecting holes of different steps on the ladder-shaped hanging rod anchoring clamp.
In a preferred embodiment: the I-shaped steel plate and the bottom plate are cold-formed steel plates.
In a preferred embodiment: the connecting column is a threaded steel pipe, and the bottom plate and the I-shaped steel plate are fixed with the threaded steel pipe through a hexagon bolt;
the distance between the H-shaped steel plate and the bottom plate is adjusted by adjusting the positions of the H-shaped steel plate and the bottom plate on the connecting column.
In a preferred embodiment: the jack is anchored on the cross beam of the I-shaped steel plate.
In a preferred embodiment: a groove is formed in the side face of the stone along the horizontal direction, and one end of the stone hanging piece is inserted into the groove.
In a preferred embodiment: one end of the stone hanging piece is fixedly connected with the bottom surface of the stone.
Compared with the prior art, the technical scheme of the invention has the following beneficial effects:
1. the invention provides a multifunctional stone curtain wall connecting node bearing capacity testing device which is strong in practicability and free of requirements on testing environment.
2. The invention provides a multifunctional stone curtain wall connecting node bearing capacity testing device, wherein different steps can be arranged on a step-shaped hanging rod anchoring clamp according to requirements, and stone hanging pieces are anchored in holes of the different steps, so that the testing requirements of curtain wall boards with different sizes can be met.
3. The invention provides a multifunctional stone curtain wall connecting node bearing capacity testing device, wherein an I-shaped steel plate and a bottom plate are cold-bent steel plates which are connected through threaded steel pipes and are fixed through hexagon bolts, so that a test piece is convenient to mount, and the test piece can be reasonably loaded by adjusting the distance between the I-shaped steel plate and the bottom plate.
4. The invention provides a multifunctional stone curtain wall connecting node bearing capacity test device. The I-shaped steel plate can be adjusted up and down to meet any loading horizontal position and loading height required by the loading device.
Drawings
FIG. 1 is a perspective view of a test rack in accordance with a preferred embodiment 1 of the present invention;
FIG. 2 is a front view of a test rack in accordance with a preferred embodiment of the present invention 1;
fig. 3, 4 and 5 are schematic views illustrating the connection of stones with different sizes in the preferred embodiment 1 of the present invention;
FIG. 6 is a perspective view of a test rack in accordance with a preferred embodiment of the present invention 2;
fig. 7, 8 and 9 are schematic connection diagrams of stones with different sizes in the preferred embodiment 2 of the present invention.
Specific connection mode
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise specifically stated or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are used in a broad sense, and for example, "connected" may be a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection through an intermediate medium, and a communication between two elements.
Example 1
Referring to fig. 1 to 5, the embodiment provides a multifunctional stone curtain wall connection node bearing capacity test device, including: the device comprises a ladder-shaped hanging rod anchoring clamp 1, an I-shaped steel plate 2, a roller bracket 3, a bottom plate 4 and a connecting column 5;
the four connecting columns 5 are rotationally and symmetrically distributed around the axis of the bottom plate 4 to connect and fix the bottom plate 4 and the I-shaped steel plate 2;
two connecting columns 5 positioned on the same side also penetrate through the stepped hanging rod anchoring clamp 1 so as to be fixed between the bottom plate 4 and the I-shaped steel plate 2;
the side wall of each step of the ladder-shaped hanging rod anchoring clamp 1 is respectively provided with a connecting hole for fixing a stone hanging piece;
the roller bracket 3 is arranged on one side of the bottom plate 4 facing the I-shaped steel plate 2;
two sides of the stone are respectively fixed with a ladder-shaped hanging rod anchoring clamp 1, or one side of the stone is fixed with a ladder-shaped hanging rod anchoring clamp 1, and the other side of the stone is in rolling connection with the roller surface of the roller bracket 3.
The stones with different sizes are connected with the connecting holes of different steps on the ladder-shaped hanging rod anchoring clamp 1.
The hanging rod anchoring clamp 1 arranged in the step shape fixes the hanging pieces of the stone, and the boundary conditions of the stone curtain wall board under the applied condition are correctly reproduced. If the connection strength of the single pendant is obtained, only one edge of the stone test piece needs to be anchored, and the other edge is placed on the roller bracket 3. If the anchoring condition of opposite sides needs to be tested, only two sides of the stone slab need to be anchored on pink stepped steel blocks on the corresponding sides respectively, as shown in the figure. Along with the size of the plate to be measured, the position of the anchored ladder can be adjusted.
For the back bolt type stone pendant, the expansion bolts at the back of the back bolt can be fastened in the holes at the stepped platform side for anchoring.
By changing the direction of anchoring and mounting the test piece and mounting the loading jack on the upper I-shaped steel plate 2, the test loading requirement of positive and negative wind pressure of a back-trough type or back-bolt type stone curtain wall can be met.
In order to facilitate observation of the damage condition of the node of the pendant, a hole is formed in each layer of step of the pendant fixing step steel plate and used for placing an infrared camera, so that the real-time observation and the recording of the cracking damage process of the connection damage part are facilitated.
The number of steps of the ladder-shaped hanging rod anchoring clamp 1 can be increased or decreased according to actual needs.
The strain gauge is attached to the connecting node of the stone curtain wall, and the line connected with the strain gauge can be perforated through the stepped steel plate blocks, so that the line can be conveniently arranged and the tidy test visual angle can be conveniently achieved.
The I-shaped steel plate 2 and the bottom plate 4 are cold-formed steel plates. The connecting column 5 is a threaded steel pipe, and the bottom plate 4 and the I-shaped steel plate 2 are fixed with the threaded steel pipe through a hexagon bolt; the distance between the I-shaped steel plate 2 and the bottom plate 4 is adjusted by adjusting the positions of the I-shaped steel plate 2 and the bottom plate 4 on the connecting column 5.
The jack is anchored on the cross beam of the I-shaped steel plate 2. The middle cross beam part of the I-shaped steel plate 2 can be anchored by using bolts to meet the jack of the test tonnage, and the anchoring horizontal position of the test jack can be adjusted to meet the requirement of the test loading position.
In the test process, in order to accurately research the connection strength between the stone curtain wall plate and the pendant, the test frame cannot yield in the maximum loading state, the deflection cannot be larger than 1mm, and the rotation cannot exceed 2 degrees.
In this embodiment, a groove is formed in the side surface of the stone material along the horizontal direction, and one end of the stone material hanging piece is inserted into the groove. Or one end of the stone hanging piece is fixedly connected with the bottom surface of the stone. Therefore, the test can be carried out on the back groove type or back bolt type or back groove type stone curtain wall.
The experimental test stand of the experimental bearing capacity of the stone material curtain wall node that foretell satisfies not unidimensional, the practicality is strong, does not have the requirement to experimental environment, utilizes the tip of four threaded rods to support whole experimental frame, through self-balancing, can satisfy loading device and test piece and be in the relative relation, has effectively reduced the influence of external test condition.
And, the ladder-shaped peg anchor 1 can set up different ladders as required, through with the anchor of stone material pendant in the hole of different ladders, can satisfy the experimental demand of different size curtain wall boards like this. As shown in fig. 3, 4, 5.
Example 2
Referring to fig. 6 to 9, the difference between the present embodiment and embodiment 1 is that in the present embodiment, the stepped hanging rod anchoring fixture 1 is directly fixed on the bottom plate, a plurality of screw holes are arranged in an array on the floor, and the position of the stepped hanging rod anchoring fixture 1 can be adjusted by fixing the stepped hanging rod anchoring fixture 1 with different screw holes, so that the stone materials with different sizes can be adapted, which is more flexible than embodiment 1. The shape of the stepped hanging rod anchoring clamp 1 can be changed from a strip shape to a block shape in embodiment 1, and the number of the stepped hanging rod anchoring clamps 1 can be changed, for example, a node test of one hanging piece can be performed by using 1 stepped hanging rod anchoring clamp 1, or a test of four hanging pieces can be performed by using 4 stepped hanging rod anchoring clamps 1, so that a whole plate can be tested.
In addition, in this embodiment, a level 6 is placed on the upper surface of the step of the stepped rod anchor jig 1, so that the entire apparatus can be adjusted for horizontal alignment.
In addition, the bottom of the connecting column 5 is additionally provided with a nut 7, so that the self-balance of the whole experimental device and a test piece can be realized.
The above description is only a preferred embodiment of the present invention, but the design concept of the present invention is not limited thereto, and any person skilled in the art can make insubstantial changes in the technical scope of the present invention within the technical scope of the present invention, and the actions infringe the protection scope of the present invention are included in the present invention.
Claims (8)
1. The utility model provides a multi-functional stone material curtain connected node bearing capacity test device which characterized in that includes: the device comprises a ladder-shaped hanging rod anchoring clamp, an I-shaped steel plate, a roller bracket, a bottom plate and a connecting column;
the four connecting columns are rotationally and symmetrically distributed around the axis of the bottom plate so as to connect and fix the bottom plate and the I-shaped steel plate;
two connecting columns positioned on the same side also penetrate through the stepped hanging rod anchoring clamp so as to be fixed between the bottom plate and the I-shaped steel plate;
the side wall of each step of the ladder-shaped hanging rod anchoring clamp is respectively provided with a connecting hole for fixing a stone hanging piece;
the roller bracket is arranged on one side of the bottom plate, which faces the I-shaped steel plate;
and two sides of the stone are respectively fixed with a ladder-shaped hanging rod anchoring clamp, or one side of the stone is fixed with a ladder-shaped hanging rod anchoring clamp, and the other side of the stone is in rolling connection with the roller surface of the roller bracket.
2. The utility model provides a multi-functional stone material curtain connected node bearing capacity test device which characterized in that includes: the device comprises a ladder-shaped hanging rod anchoring clamp, an I-shaped steel plate, a roller bracket, a bottom plate and a connecting column;
the four connecting columns are rotationally and symmetrically distributed around the axis of the bottom plate so as to connect and fix the bottom plate and the I-shaped steel plate;
the bottom plate is provided with a screw hole for fixing the stepped hanging rod anchoring clamp; fixing the stepped hanging rod anchoring clamp with different screw holes so as to change the position of the stepped hanging rod anchoring clamp on the bottom plate;
the side wall of each step of the ladder-shaped hanging rod anchoring clamp is respectively provided with a connecting hole for fixing a stone hanging piece;
the roller bracket is arranged on one side of the bottom plate, which faces the I-shaped steel plate;
and two sides of the stone are respectively fixed with a ladder-shaped hanging rod anchoring clamp, or one side of the stone is fixed with a ladder-shaped hanging rod anchoring clamp, and the other side of the stone is in rolling connection with the roller surface of the roller bracket.
3. The multifunctional stone curtain wall connecting node bearing capacity test device of claim 1 or 2, characterized in that: and the stones with different sizes are connected with the connecting holes of different steps on the ladder-shaped hanging rod anchoring clamp.
4. The multifunctional stone curtain wall connecting node bearing capacity test device of claim 1 or 2, characterized in that: the I-shaped steel plate and the bottom plate are cold-formed steel plates.
5. The multifunctional stone curtain wall connecting node bearing capacity test device of claim 1 or 2, characterized in that: the connecting column is a threaded steel pipe, and the bottom plate and the I-shaped steel plate are fixed with the threaded steel pipe through a hexagon bolt;
the distance between the H-shaped steel plate and the bottom plate is adjusted by adjusting the positions of the H-shaped steel plate and the bottom plate on the connecting column.
6. The multifunctional stone curtain wall connecting node bearing capacity test device of claim 1 or 2, characterized in that: the jack is anchored on the cross beam of the I-shaped steel plate.
7. The multifunctional stone curtain wall connecting node bearing capacity test device of claim 1 or 2, characterized in that: a groove is formed in the side face of the stone along the horizontal direction, and one end of the stone hanging piece is inserted into the groove.
8. The multifunctional stone curtain wall connecting node bearing capacity test device of claim 1 or 2, characterized in that: one end of the stone hanging piece is fixedly connected with the bottom surface of the stone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011447503.5A CN112611629A (en) | 2020-12-09 | 2020-12-09 | Multifunctional stone curtain wall connecting node bearing capacity test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011447503.5A CN112611629A (en) | 2020-12-09 | 2020-12-09 | Multifunctional stone curtain wall connecting node bearing capacity test device |
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| Publication Number | Publication Date |
|---|---|
| CN112611629A true CN112611629A (en) | 2021-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011447503.5A Pending CN112611629A (en) | 2020-12-09 | 2020-12-09 | Multifunctional stone curtain wall connecting node bearing capacity test device |
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| CN (1) | CN112611629A (en) |
Citations (8)
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|---|---|---|---|---|
| CN106644324A (en) * | 2016-12-30 | 2017-05-10 | 北京工业大学 | Test device for light steel frame beam column node bearing test |
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| CN208060138U (en) * | 2018-02-26 | 2018-11-06 | 湖北省建筑科学研究设计院 | A kind of hanging part for board assembled unit bearingtest system |
| CN209485884U (en) * | 2019-01-21 | 2019-10-11 | 哈尔滨理工大学 | A kind of multifunctional material bend test device |
| CN210665269U (en) * | 2019-05-28 | 2020-06-02 | 浙江工业大学 | Adjustable fixture for three-point and four-point bending universal testing machine |
| CN210741800U (en) * | 2019-10-12 | 2020-06-12 | 闳康技术检测(上海)有限公司 | Stepped impact clamp |
| CN111579361A (en) * | 2020-06-16 | 2020-08-25 | 天津大学 | Test fixture and method for three-point bending and four-point bending of rock |
| CN111982689A (en) * | 2020-09-01 | 2020-11-24 | 李三红 | Be used for steel construction bearing capacity detection device |
-
2020
- 2020-12-09 CN CN202011447503.5A patent/CN112611629A/en active Pending
Patent Citations (8)
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|---|---|---|---|---|
| CN106644324A (en) * | 2016-12-30 | 2017-05-10 | 北京工业大学 | Test device for light steel frame beam column node bearing test |
| CN208060132U (en) * | 2018-01-09 | 2018-11-06 | 湖北省建筑科学研究设计院 | A kind of curtain wall pendant part bearingtest system |
| CN208060138U (en) * | 2018-02-26 | 2018-11-06 | 湖北省建筑科学研究设计院 | A kind of hanging part for board assembled unit bearingtest system |
| CN209485884U (en) * | 2019-01-21 | 2019-10-11 | 哈尔滨理工大学 | A kind of multifunctional material bend test device |
| CN210665269U (en) * | 2019-05-28 | 2020-06-02 | 浙江工业大学 | Adjustable fixture for three-point and four-point bending universal testing machine |
| CN210741800U (en) * | 2019-10-12 | 2020-06-12 | 闳康技术检测(上海)有限公司 | Stepped impact clamp |
| CN111579361A (en) * | 2020-06-16 | 2020-08-25 | 天津大学 | Test fixture and method for three-point bending and four-point bending of rock |
| CN111982689A (en) * | 2020-09-01 | 2020-11-24 | 李三红 | Be used for steel construction bearing capacity detection device |
Non-Patent Citations (1)
| Title |
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| 高占广: "短槽式与背栓式石材幕墙面板连接性能研究", 《中国优秀博硕士学位论文全文数据库(硕士) 工程科技Ⅱ辑》 * |
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Application publication date: 20210406 |