CN112903458A - Space node test loading device with adjustable loading angle - Google Patents
Space node test loading device with adjustable loading angle Download PDFInfo
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- CN112903458A CN112903458A CN202110128449.6A CN202110128449A CN112903458A CN 112903458 A CN112903458 A CN 112903458A CN 202110128449 A CN202110128449 A CN 202110128449A CN 112903458 A CN112903458 A CN 112903458A
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- 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
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
- G01N3/12—Pressure testing
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- 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
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Abstract
The invention designs a space node test loading device capable of adjusting a loading angle, and solves the problem of lack of a loading device for supporting a complex space node test. The device comprises a console, a base, an outer ring arc-shaped rigid beam, an inner ring arc-shaped rigid beam, a circular steel rail, a movable base and a loading actuator; the base comprises a base outer ring, and the base outer ring rotates relative to the base under the control of the console; the inner ring arc-shaped rigid beam is fixed on the base, and the outer ring arc-shaped rigid beam rotates along with the outer ring of the base; circular steel rails are arranged on the inner sides of the outer ring arc-shaped rigid beam and the inner ring arc-shaped rigid beam; the movable base has locking and sliding functions and is used for loading a loading actuator, the movable base is sleeved on a circular steel rail and slides to a target position along the inner side of the inner ring arc-shaped rigid beam and the inner ring arc-shaped rigid beam under the control of the console, the inner ring arc-shaped rigid beam and the outer ring arc-shaped rigid beam are used for providing reaction force for the movable base, and the adjustable angle in the plane and in the space is realized.
Description
Technical Field
The invention provides a space node test loading device capable of adjusting a loading angle, which aims at the technical field of space complex node mechanical property tests.
Background
With the increasing development of economy, new design ideas and design concepts in the design of building structures are infinite, and the structural forms tend to be diversified and complicated. For the whole structure, the node is one of the main connection modes, is an important component of the whole structure, and plays an important role all the time in the processes of structure design, construction and structure service. The complicated structure results in various node forms, and the problems generated by the nodes in the design and use process of the building structure are gradually highlighted.
According to the prior research, when most buildings encounter the force which is not resistant, such as earthquake, typhoon and the like, the nodes are often destroyed before other components, and the damage degree is larger. The reason is that the node forms are variable, the stress working condition is the most complex, the stress is the most concentrated, and the like. Therefore, for a building structure, the node is often a weak position of the whole building structure, and the design and research work aiming at the node is very important, so that a series of experimental researches are needed to provide a theoretical guidance foundation.
Although research on structural nodes is continuously promoted at home and abroad nowadays, most of the research is in simple plane node forms such as cross-shaped and T-shaped, and the research on space complex nodes is not advanced. This is because most laboratory mechanical property test loading devices and loading equipment generally only have plane loading capability, and cannot provide spatial multi-directional loading function or only support a single simple form of spatial loading function. The loading device which is usually separately constructed for a certain space node test of a large project is stranded when facing nodes of other complex forms, and the requirement of researchers cannot be met. Therefore, aiming at the space node mechanical property test and other common mechanical property tests, the loading requirements of various complex nodes are met, and the design of the space complex node loading device is very important.
Disclosure of Invention
Aiming at the problem that a space complex node loading device is lacked at present, the invention designs the space node test loading device capable of adjusting the loading angle, and the space node test loading device is suitable for various complex space node loading tests and common mechanical property tests.
The space node test loading device capable of adjusting the loading angle comprises a control console, a base outer ring, an outer ring arc-shaped rigid beam, an inner ring arc-shaped rigid beam, a circular steel rail, a movable base, a hydraulic locking device and a loading actuator. The base is fixed with the ground, and the inner ring arc-shaped rigid beam is fixed with the base; the outer ring of the base is controlled by the console to rotate around the base or be fixed on the base; the outer ring arc-shaped rigid beam is fixed on the outer ring of the base and rotates along with the outer ring of the base, so that the function of adjusting the angle in the horizontal direction is realized.
Furthermore, the inner ring arc-shaped rigid beam, the outer ring arc-shaped rigid beam and the circular steel rail are in the shape of concentric major arcs, so that the movable base can slide to a horizontal position and a position below the horizontal position, and a function of loading in the horizontal direction or the inclined upward direction is provided.
Preferably, the circular steel rail can be fixed on the base, the outer ring of the base and also can be fixed on the arc-shaped rigid beam and is a detachable device, so that a plurality of movable bases and loading actuators are arranged on the same arc-shaped rigid beam according to different test requirements.
Furthermore, the movable base carries a hydraulic locking device, is sleeved on the circular steel rail and is in close contact with the arc-shaped rigid beam, the contact surfaces of the movable base and the arc-shaped rigid beam of the inner ring and the outer ring are cambered surfaces, and the contact surfaces of the movable base and the loading actuator are planes. Can control portable base through the control cabinet and slide on circular rail along arc rigid beam, after stopping sliding, the control cabinet can control hydraulic locking device and die portable base lock on circular rail, arc rigid beam and portable base in close contact with to provide counter-force, realized the function that loading direction of in-plane loading actuator is adjustable. The sliding and hydraulic locking functions of the mobile base are well established at present, but are not in the scope of the present technical field, so the detailed description is omitted.
Furthermore, the loading actuator is connected with the movable base through a loading actuator bottom plate through a bolt.
Alternatively, the number and function of the loading actuators may be configured according to experimental requirements.
The invention has the following beneficial effects:
1. the arc-shaped rigid beam is controlled to rotate around the base through the control console, the movable base is controlled to slide and lock along the arc-shaped rigid beam, the function of adjusting any angle in a plane and in space is achieved, the loading actuator can provide a loading function in a large range of angle directions, and the test loading requirements of various complex space nodes are met.
2. The concentric U-arc rigid beam is adopted, so that the dislocation of the loading directions of the loading actuators is avoided, and the horizontal and oblique upward loading directions can be provided.
3. The movable base and the loading actuator can be flexibly configured according to test requirements, and the device is not only suitable for space node mechanical tests, but also supports various common mechanical property tests and multi-axis tension and compression tests, improves the utilization rate of the device, and reduces the investment of test equipment funds and the occupied area of a laboratory.
Drawings
FIG. 1 is a schematic view of a space node test loading device capable of adjusting loading angles
FIG. 2 is a front view of a space node test loading device with adjustable loading angle
FIG. 3 is a left side view of a space node test loading device with adjustable loading angle
FIG. 4 is a schematic diagram of an embodiment of a complex space node test loading
In the figure: 1. a console; 2. a base; 3. a base outer ring; 4. an outer ring arc-shaped rigid beam; 5. an inner ring arc-shaped rigid beam; 6. a circular steel rail; 7. loading an actuator base; 8. a hydraulic locking device; 9. loading an actuator; 10. loading an actuator baseplate; 11. a bolt; 12. and (4) testing a node.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
fig. 1 is a space node test loading device capable of adjusting a loading angle, which is provided by the invention, and includes: the device comprises a control console 1, a base 2, a base outer ring 3, an outer ring arc-shaped rigid beam 4, an inner ring arc-shaped rigid beam 5 and a circular steel rail 6; the device comprises a movable base 7, a hydraulic locking device 8, a loading actuator 9, a loading actuator bottom plate (10) and a bolt 11. FIG. 2 is a front view of a spatial node test loading device with adjustable loading angle; FIG. 3 is a left side view of a spatial node test loading device with adjustable loading angle; fig. 4 shows functions and embodiments of the loading device by taking a complex space node test piece as an example.
In use, as shown in fig. 4, the direction and location of the loading required by the spatial nodes 12 is determined. The base 2 is fixed, the inner ring arc-shaped rigid beam 5 is fixedly connected with the base 2, the outer ring arc-shaped rigid beam 4 is fixedly connected with the base outer ring 3, and the control console 1 is used for controlling the base outer ring 3 to rotate to the angle position required by the loading of the test piece around the base 2. After the rotation is stopped, the outer ring 3 of the base is controlled by the console 1 to be fixed on the base 2, so that the whole rigid beam is kept still and counterforce is provided.
And adjusting each movable base 7 sleeved on the circular steel rail 6 by using the control console 1 to slide along the inner side of the outer ring arc-shaped rigid beam 4 or the inner ring arc-shaped rigid beam 5 until the requirements of each loading direction of the node test piece 12 are met. When the movable base 7 stops sliding, the console 1 controls the hydraulic locking device 8 to lock the movable base 7 on the circular steel rail 6, and the movable base is in close contact with the outer ring arc-shaped rigid beam 4 or the inner ring arc-shaped rigid beam 5 to provide counter force. An appropriate loading actuator 9 is selected according to the node test piece, the loading actuator 9 comprises a loading actuator base plate 10, a bolt 11 penetrates through the loading actuator base plate 10 to fix the loading actuator 9 on the movable base 7, and the test can be started after the loading end part is adjusted to be in contact with a test piece 12.
The above only shows a specific implementation manner of the space node test loading device with an adjustable loading angle, which is provided by the present invention, by using a single complex space node test piece example and combining with the accompanying drawings, but the present invention is not limited to this implementation manner and is not limited by the present invention. Any modification, equivalent replacement, etc. without substantial innovation by those skilled in the art should be considered as within the protection scope of the present invention.
Claims (5)
1. The utility model provides an experimental loading device of space node of adjustable loading angle which characterized in that: the device comprises a control console (1), a base (2), an outer ring arc-shaped rigid beam (4), an inner ring arc-shaped rigid beam (5), a circular steel rail (6), a movable base (7) and a loading actuator (9); the base (2) comprises a base outer ring (3), and the base outer ring (3) rotates relative to the base (2) under the control of the console (1); the inner ring arc-shaped rigid beam (5) is fixed on the base (2), the outer ring arc-shaped rigid beam (4) is fixed with the outer ring (3) of the base, and the outer ring arc-shaped rigid beam (4) rotates along with the outer ring (3) of the base so as to adjust the angle of the inner ring arc-shaped rigid beam (5); circular steel rails (6) are arranged on the inner sides of the outer ring arc-shaped rigid beam (4) and the inner ring arc-shaped rigid beam (5); the movable base (7) has locking and sliding functions and is used for loading a loading actuator (9), the movable base (7) is sleeved on a circular steel rail (6) and slides to a target position along the inner side of an outer ring arc-shaped rigid beam (4) or an inner ring arc-shaped rigid beam (5) under the control of the console (1), and the outer ring arc-shaped rigid beam (4) and the inner ring arc-shaped rigid beam (5) are used for providing reaction force for the movable base (7).
2. The spatial node test loading device with the adjustable loading angle of claim 1, wherein: a hydraulic locking device (8) is arranged on the movable base (7) and used for further locking the movable base (7) on the circular steel rail (6).
3. The spatial node test loading device with the adjustable loading angle of claim 1, wherein: the number of the movable bases (7) is configured according to the test requirements.
4. The adjustable loading angle plane node test loading device of claim 1, wherein: the actuator is configured according to the test requirements.
5. The adjustable loading angle plane node test loading device of claim 1, wherein: the arc steel rail (6), the outer ring arc rigid beam (4) and the inner ring arc rigid beam (5) are concentric major arcs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110128449.6A CN112903458A (en) | 2021-01-29 | 2021-01-29 | Space node test loading device with adjustable loading angle |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110128449.6A CN112903458A (en) | 2021-01-29 | 2021-01-29 | Space node test loading device with adjustable loading angle |
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| CN112903458A true CN112903458A (en) | 2021-06-04 |
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| CN202110128449.6A Pending CN112903458A (en) | 2021-01-29 | 2021-01-29 | Space node test loading device with adjustable loading angle |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114527015A (en) * | 2022-02-14 | 2022-05-24 | 哈尔滨工业大学 | Pure torsion creep test device suitable for various sizes of combined components and test method thereof |
| CN117804890A (en) * | 2024-02-29 | 2024-04-02 | 上海核工程研究设计院股份有限公司 | Pipe fitting stress corrosion test device and method |
| CN117969246A (en) * | 2024-04-02 | 2024-05-03 | 北京工业大学 | Omnibearing loading test device applicable to multi-rod multi-angle nodes and mounting method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000192942A (en) * | 1998-10-19 | 2000-07-11 | Okuma Corp | Universal joint and parallel mechanism machine having this universal joint |
| CN103196684A (en) * | 2013-03-01 | 2013-07-10 | 同济大学 | Structure test omnibearing universal loading system |
| CN104990720A (en) * | 2015-07-15 | 2015-10-21 | 福州大学 | Arch structure test load loading device and using method thereof |
| CN105738058A (en) * | 2014-03-07 | 2016-07-06 | 山东建筑大学 | Beam column space node shock resistance test method and beam end restriction device for shock test |
| CN208335595U (en) * | 2017-11-10 | 2019-01-04 | 西安建筑科技大学 | A kind of steel structure node plane mechanics performance test apparatus |
| CN109668753A (en) * | 2019-01-29 | 2019-04-23 | 杭州邦威机电控制工程有限公司 | A kind of large space node and typical structure multipurpose load host |
-
2021
- 2021-01-29 CN CN202110128449.6A patent/CN112903458A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000192942A (en) * | 1998-10-19 | 2000-07-11 | Okuma Corp | Universal joint and parallel mechanism machine having this universal joint |
| CN103196684A (en) * | 2013-03-01 | 2013-07-10 | 同济大学 | Structure test omnibearing universal loading system |
| CN105738058A (en) * | 2014-03-07 | 2016-07-06 | 山东建筑大学 | Beam column space node shock resistance test method and beam end restriction device for shock test |
| CN104990720A (en) * | 2015-07-15 | 2015-10-21 | 福州大学 | Arch structure test load loading device and using method thereof |
| CN208335595U (en) * | 2017-11-10 | 2019-01-04 | 西安建筑科技大学 | A kind of steel structure node plane mechanics performance test apparatus |
| CN109668753A (en) * | 2019-01-29 | 2019-04-23 | 杭州邦威机电控制工程有限公司 | A kind of large space node and typical structure multipurpose load host |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114527015A (en) * | 2022-02-14 | 2022-05-24 | 哈尔滨工业大学 | Pure torsion creep test device suitable for various sizes of combined components and test method thereof |
| CN114527015B (en) * | 2022-02-14 | 2023-11-10 | 哈尔滨工业大学 | Pure torsion creep test device suitable for multiple-size combined components and test method thereof |
| CN117804890A (en) * | 2024-02-29 | 2024-04-02 | 上海核工程研究设计院股份有限公司 | Pipe fitting stress corrosion test device and method |
| CN117804890B (en) * | 2024-02-29 | 2024-06-04 | 上海核工程研究设计院股份有限公司 | Pipe fitting stress corrosion test device and method |
| CN117969246A (en) * | 2024-04-02 | 2024-05-03 | 北京工业大学 | Omnibearing loading test device applicable to multi-rod multi-angle nodes and mounting method |
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Application publication date: 20210604 |
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