CN110206152B - Universal joint structure of X-beam Y-column of steel structure - Google Patents
Universal joint structure of X-beam Y-column of steel structure Download PDFInfo
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- CN110206152B CN110206152B CN201910479329.3A CN201910479329A CN110206152B CN 110206152 B CN110206152 B CN 110206152B CN 201910479329 A CN201910479329 A CN 201910479329A CN 110206152 B CN110206152 B CN 110206152B
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- seat body
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- sleeve body
- electromagnetic coil
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 27
- 239000010959 steel Substances 0.000 title claims abstract description 27
- 239000012530 fluid Substances 0.000 claims abstract description 21
- 238000004146 energy storage Methods 0.000 claims abstract description 8
- 230000005284 excitation Effects 0.000 claims description 14
- 230000006698 induction Effects 0.000 claims description 5
- 230000003111 delayed effect Effects 0.000 claims description 3
- 230000001960 triggered effect Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 4
- 239000007787 solid Substances 0.000 abstract description 2
- 230000005611 electricity Effects 0.000 abstract 1
- 238000005452 bending Methods 0.000 description 6
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/343—Structures characterised by movable, separable, or collapsible parts, e.g. for transport
- E04B1/344—Structures characterised by movable, separable, or collapsible parts, e.g. for transport with hinged parts
- E04B1/3441—Structures characterised by movable, separable, or collapsible parts, e.g. for transport with hinged parts with articulated bar-shaped elements
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
本发明涉及一种钢结构X梁Y形柱的万向节点结构，座体的外壁和套筒体的内壁中一个上开设有层状或螺旋状分布的限位槽、另一个上嵌装有内部充满磁流变液且外露侧呈可弹性嵌入限位槽的鼓包形的环囊，套筒体上设置有环绕在座体的行程区间周围的电磁线圈，电磁线圈通过控制开关接入市电或储能装置。利用磁流变液在未通电状态下处于流体状态的特点，便于座体上下移动进行位置调整；在座体移动至设定位置后，持续给磁流变液外围的电磁线圈通电，通过电磁线圈产生的磁场，促使磁流变液变化为固体状态，锁定在限位槽上，实现座体的到位锁定功能，减少座体作用在桁架上的应力，从而减少了钢结构桁架梁柱间应力，提高抗风可靠性和安装便捷性。
The invention relates to a universal joint structure of an X beam and a Y-shaped column of a steel structure. One of the outer wall of the seat body and the inner wall of the sleeve body is provided with layered or spirally distributed limiting grooves, and the other is embedded with The inside is filled with magnetorheological fluid and the exposed side is a bulge-shaped ring bag that can be elastically embedded in the limit groove. The sleeve body is provided with an electromagnetic coil that surrounds the travel range of the seat body. The electromagnetic coil is connected to the mains or energy storage device. Taking advantage of the fact that the magnetorheological fluid is in a fluid state when it is not energized, it is convenient for the seat body to move up and down to adjust the position; after the seat body moves to the set position, the electromagnetic coil around the magnetorheological fluid is continuously energized, and the electromagnetic coil generates electricity. The magnetic field caused the magnetorheological fluid to change into a solid state, locked on the limit groove, and realized the in-position locking function of the seat body, reducing the stress of the seat body acting on the truss, thereby reducing the stress between beams and columns of the steel structure truss, improving the Wind-resistant reliability and ease of installation.
Description
Technical Field
The invention belongs to the field of steel structure buildings, and particularly relates to a universal joint structure of a steel structure X-beam Y-shaped column.
Background
In modern steel structure buildings, structures needing column tops and beams to be hinged frequently occur, most of the current hinged joint designs achieve the requirement of approximate hinged joints through bolts, and the bolts transmit not only all shearing force but also a small amount of bending moment out of the plane without being released. With the development of social economy, more and more large spans are provided, structures with inclined column tops hinged with beams are provided, in the structures, the mode of arranging a small number of bolts to achieve approximate hinged joints cannot meet the requirement of the existing hinge, because the joints of the structures have larger joint corners and large total bending moment, if the hinged joints are connected by bolts, the unreleased bending moment can be large enough to destroy the bolts. Therefore, for such a special structure, a new connecting device is needed, which can completely release the out-of-plane bending moment of the hinge joint and has enough strength to transmit the shearing force and the vertical force in any direction.
The prior patent CN201310215883.3 discloses a hinged support and a steel structure node hinged structure using the same, wherein the hinged support comprises a sleeve body, a seat body and a rotary core body, the rotary core body is provided with a hinged end and a connecting end, and the seat body is provided with a separation-preventing structure. The seat body with the rotary core body vertically moves in the sleeve body similar to a piston, and the rotary core body horizontally rotates in the seat body, so that the connection state adjustment of any angle and any direction is realized, and the bending moment stress between steel structure beams and columns is reduced.
However, when the seat body is lifted by the traction force of the rotating core body and is located at the middle position, the seat body is suspended, and the dead weight of the seat body is large enough to ensure that the seat body is wear-resistant, so that after the seat body is adjusted in place, the seat body can exert a downward pulling acting force on the rotating core body, the downward pulling force can generate bending stress on the steel structure truss, and adverse effects are generated on the installation and wind resistance of the steel structure truss.
Disclosure of Invention
The invention aims to provide a universal joint structure of a steel structure X beam Y-shaped column for reducing stress between steel structure truss beam columns, which adopts the following technical scheme:
the universal joint structure of the steel structure X-beam Y-shaped column comprises a sleeve body and a base body arranged in the sleeve body in a vertically sliding mode, wherein one of the outer wall of the base body and the inner wall of the sleeve body is provided with a layered or spirally distributed limiting groove, the other one of the outer wall of the base body and the inner wall of the sleeve body is embedded with a bulge-shaped annular bag which is filled with magnetorheological fluid and can be elastically embedded into the limiting groove on the exposed side, an electromagnetic coil surrounding the stroke interval of the base body is arranged on the sleeve body, and the electromagnetic coil is connected into a mains supply or an energy storage device through. The characteristic that the magnetorheological fluid is in a fluid state under a non-electrified state is utilized, so that the base body can move up and down conveniently to adjust the position; after the base body moves to a set position, the electromagnetic coils on the periphery of the magnetorheological fluid are continuously electrified, the magnetorheological fluid is enabled to be changed into a solid state through a magnetic field generated by the electromagnetic coils and is locked on the limiting grooves, the in-place locking function of the base body is realized, and the stress of the base body acting on the truss is reduced, so that the stress between the steel structure truss beam columns is reduced, and the wind resistance reliability and the installation convenience are improved.
Furthermore, the limiting groove is positioned on the inner wall of the sleeve body and is an arc groove, the annular bag is positioned on the outer wall of the seat body, and the length of the annular bag is greater than one half of the length of the stroke interval of the seat body.
Furthermore, the width of the notch of the limiting groove is smaller than the shortest part of the vertical surface of the outer wall of the seat body, which is not provided with the ring bag.
Furthermore, a pressure switch which is triggered when the pressure between the limiting groove and the annular bag is larger than a limiting value is further arranged on the sleeve body in a penetrating mode, the pressure switch is connected in series in a primary loop which is directly connected with a mains supply or an energy storage device, a primary time delay relay and a primary coil are further connected in series in the primary loop, the primary coil is connected with a first secondary loop in an induction mode, a first secondary coil, the control switch and the electromagnetic coil are connected in series in the first secondary loop, and the control switch is a normally closed time delay switch which is opened in a delayed mode when the primary time delay relay is powered off.
Furthermore, a secondary time delay relay is connected in series in the first secondary loop, the primary coil is also connected with a second secondary loop in an induction manner, a second secondary coil, a compensation excitation coil and a compensation excitation switch are sequentially connected in series in the second secondary loop, the compensation excitation coil and the electromagnetic coil are wound on the sleeve body in the same direction, and the compensation excitation switch is a normally-open time delay switch which is closed in a time delay manner after the secondary time delay relay is electrified.
Drawings
FIG. 1 is a schematic view of the universal joint structure of the steel structure X-beam Y-column of the present invention;
FIG. 2 is a schematic circuit diagram of the universal joint structure of the steel structure X-beam Y-shaped column.
Detailed Description
Referring to fig. 1, a structural schematic diagram of the universal joint structure of the steel structure X-beam Y-column of the present invention is shown. The node structure is not located at the connecting position of a steel structure and a ground foundation, but located between beams and columns of the truss, in particular to a multi-rod connecting node as shown in the figure, namely the node structure is located at the connecting position of a main supporting beam column and a first branch beam column, a second branch beam column and a third branch beam column, and a universal ball hinge connecting mode commonly used for steel structure trusses is adopted. Meanwhile, the piston type up-down adjusting structure of the automobile is combined, so that the node structure can be guaranteed to realize three-dimensional multi-directional stress unloading adjustment. The concrete structure is as follows:
this universal node structure of steel construction X roof beam Y shape post includes cover barrel 1, pedestal 2, bulb body 3, anticreep board 4 and backing plate 5, and the structure and the function of cover barrel 1, pedestal 2, bulb body 3, anticreep board 4 and backing plate 5 all belong to prior art, can refer to prior patent CN2013102158833, and the difference is mainly to the locking structure that arrives a position of pedestal 2.
The in-place locking structure comprises limit grooves 6 which are arranged on the inner wall of a sleeve body 1 and distributed in a layered or spiral manner, and a hollow annular bag 7 which is embedded on the outer wall of a base body 2, wherein magnetorheological fluid 8 is filled in the annular bag 7, bulges 9 which are exposed out of the outer wall of the base body 2 are arranged on the outer wall of the annular bag 7, the bulges 9 can be elastically embedded into the limit grooves 6, and the bulges 9 are also filled with the magnetorheological fluid 8, so that the magnetorheological fluid 8 can be easily separated from and embedded into the limit grooves 6 when in a fluid state; when the magnetorheological fluid 8 is in a fixed state, the magnetorheological fluid is reliably embedded and locked in the limiting groove 6. The periphery of the sleeve body 1 is sleeved with a coil box 10, an electromagnetic coil 11 and a compensation excitation coil 12 which are sleeved on the periphery of the sleeve body 1 are installed in the coil box 10, the electromagnetic coil 11 and the compensation excitation coil 12 are wound in the same direction and cover the whole stroke interval of the base body 2 moving up and down in the sleeve, namely the interval between the anti-falling plate 4 and the backing plate 5 is fully distributed. The power supply of the circuit where the electromagnetic coil 11 and the compensation excitation coil 12 are located is from a commercial power supply or an energy storage device, wherein the energy storage device is preferably adopted, and the energy storage device can adopt solar power generation equipment, so that the solar energy can provide sufficient energy for the steel structure under the sunshine condition throughout the year, and the commercial power can be supplemented to ensure the working reliability of the locking structure; in addition, the coil box 10 is impregnated with an insulating material such as epoxy resin, polyurethane, or the like.
Preferably, the limiting groove 6 is located on the inner wall of the sleeve body 1 and is an arc groove, so that when the magnetorheological fluid 8 is in a fluid state, the bulge 9 can be easily taken out and embedded in the limiting groove 6, damping is reduced, and the base body 2 can be flexibly adjusted up and down in the sleeve body 1 conveniently. The ring bag 7 is located on the outer wall of the base body 2, and the length of the ring bag 7 is greater than half of the length of the stroke interval of the base body 2, such setting is mainly considered for the subsequent setting of the sensing equipment, namely, the sensor is arranged in the middle of the sleeve body 1, and the sensor is always located between the base body 2 and the sleeve body 1. The width of the notch of the limiting groove 6 is smaller than the shortest part of the outer wall vertical surface of the seat body 2 without the ring bag 7, and the size difference can ensure that the outer wall vertical surface of the seat body 2 cannot fall into the limiting groove 6, so that the clamping stagnation condition is avoided.
Preferably, referring to fig. 2, a circuit design adopted by the universal joint structure of the steel structure X-beam Y-column in the invention is shown. The principle is that the magnetic field of the magnetorheological fluid 8 in the annular bag 7 is gradually strengthened by utilizing the design of a multi-stage induction loop, so that the working principle of the magnetorheological fluid is improved. The concrete structure is as follows:
mainly comprises a primary loop and a plurality of secondary loops.
The primary circuit is connected with a power supply, and is connected with a pressure switch 13, a primary coil 14, a primary resistor 15 and a primary time delay relay 16 in series, the pressure switch 13 is arranged on the sleeve body 1 in a penetrating way to trigger when the pressure between the limiting groove 6 and the annular bag 7 is larger than a limiting value, and the pressure switch 13 is a normally closed switch, namely, the primary circuit is continuously connected with the power supply under a general use state; when the steel structure truss is influenced by wind resistance or installation force, the seat body 2 has a tendency of moving relative to the sleeve body 1 to increase corresponding pressure, the pressure switch 13 is opened, and the primary circuit is disconnected.
The secondary circuit is divided into two types, one is a driving secondary circuit whose on-off is controlled by the primary circuit, and the other is a driven secondary circuit whose on-off is controlled by the other secondary circuit. The active secondary loop is connected with an active secondary coil 17, an active time delay relay 18, an active secondary resistor 19, an electromagnetic coil 11 and a control switch 20 in series in sequence, and the control switch 20 is a normally closed time delay switch which is opened in a time delay manner when the primary time delay relay 16 is powered off.
The driven secondary circuit is divided into a secondary circuit at the last rear stage, the priority of the on-off of which is controlled by the driving secondary circuit or other driven secondary circuits is positioned in the secondary circuit at the last rear stage, a secondary coil 21 at the rear stage, a secondary resistor 23 at the rear stage, the compensation excitation coil 12 and the compensation excitation switch 22 are sequentially connected in series in the secondary circuit at the rear stage, and the compensation excitation switch 22 is a normally-open time delay switch which is closed in a delayed mode after the driving time delay relay 18 or the driven time delay relay is electrified.
Preferably, when there are more than two slave secondary circuits, the master secondary circuit directly controls on/off of the previous secondary circuit which is preferentially positioned in front of the slave secondary circuit, and the previous secondary circuit is different from the slave secondary circuit in that slave time delay relays for controlling other slave secondary circuits are connected in series.
Claims (3)
1. The universal joint structure of the steel structure X-beam Y-shaped column comprises a sleeve body and a seat body arranged in the sleeve body in a vertically sliding manner, and is characterized in that one of the outer wall of the seat body and the inner wall of the sleeve body is provided with a layered or spirally distributed limiting groove, the other one is embedded with a drum-shaped annular bag which is filled with magnetorheological fluid and can be elastically embedded into the limiting groove at the exposed side, the sleeve body is provided with an electromagnetic coil surrounding the stroke interval of the seat body, and the electromagnetic coil is connected to a mains supply or an energy storage device through a control switch;
the sleeve body is also provided with a pressure switch which is triggered when the pressure between the limiting groove and the annular bag is greater than a limiting value, the pressure switch is connected in series in a primary loop which is directly connected with a mains supply or an energy storage device, a primary time delay relay and a primary coil are also connected in series in the primary loop, the primary coil is connected with a first secondary loop in an induction manner, a first secondary coil, the control switch and the electromagnetic coil are connected in series in the first secondary loop, and the control switch is a normally closed time delay switch which is opened in a time delay manner when the primary time delay relay is powered off;
the first secondary loop is also connected with a secondary delay relay in series, the primary coil is also connected with a second secondary loop in an induction manner, a second secondary coil, a compensation excitation coil and a compensation excitation switch are sequentially connected in series in the second secondary loop, the compensation excitation coil and the electromagnetic coil are wound on the sleeve body in the same direction, and the compensation excitation switch is a normally-open delay switch which is closed in a delayed manner after the secondary delay relay is electrified;
the active secondary circuit directly controls the on-off of the previous secondary circuit with the priority being positioned before the following secondary circuit, and the difference between the previous secondary circuit and the following secondary circuit is that a driven delay relay for controlling other driven secondary circuits is connected in series on the previous secondary circuit.
2. The universal joint structure of a steel structure X-beam Y-shaped column as claimed in claim 1, wherein the limiting groove is located on the inner wall of the sleeve body and is an arc groove, the annular bag is located on the outer wall of the seat body, and the length of the annular bag is greater than one-half of the length of the stroke section of the seat body.
3. The universal joint structure of the steel structure X-beam Y-shaped column as claimed in claim 2, wherein the width of the notch of the limiting groove is smaller than the shortest part of the outer wall elevation of the seat body, on which the ring bag is not arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910479329.3A CN110206152B (en) | 2019-06-04 | 2019-06-04 | Universal joint structure of X-beam Y-column of steel structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910479329.3A CN110206152B (en) | 2019-06-04 | 2019-06-04 | Universal joint structure of X-beam Y-column of steel structure |
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| CN110206152A CN110206152A (en) | 2019-09-06 |
| CN110206152B true CN110206152B (en) | 2021-06-25 |
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| CN201910479329.3A Expired - Fee Related CN110206152B (en) | 2019-06-04 | 2019-06-04 | Universal joint structure of X-beam Y-column of steel structure |
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| CN113565258B (en) * | 2021-07-23 | 2022-11-04 | 西安航天动力测控技术研究所 | Deformable truss structure |
| CN114508666B (en) * | 2022-03-02 | 2023-07-07 | 西安外事学院 | A self-locking mechanism of a cloud platform for photography and videography |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE3224899A1 (en) * | 1982-07-03 | 1984-01-05 | Hans 7447 Aichtal Staeger | CONNECTING ELEMENT FOR PANELS |
| CN100392315C (en) * | 2006-07-13 | 2008-06-04 | 武汉理工大学 | Magneto-rheological fluid-based intelligent adjustable container overpressure protection device and method |
| CN102829121A (en) * | 2011-06-15 | 2012-12-19 | 浩华科技实业有限公司 | Variable gas spring with magnetorheological fluid stiffness damper |
| JP2013119806A (en) * | 2011-12-07 | 2013-06-17 | Denso Corp | Fluid brake device and valve timing adjusting device |
| JP2014200880A (en) * | 2013-04-04 | 2014-10-27 | トヨタ自動車株式会社 | Robot device, robot device controlling method and program |
| CN103267159B (en) * | 2013-05-05 | 2015-03-04 | 吉林大学 | Double-acting magneto-rheological pressure and flow control valve |
| CN103362217B (en) * | 2013-06-03 | 2016-04-20 | 河南亚鹰钢结构幕墙工程有限公司 | Pivoting support and use the steel structure node articulated structure of this bearing |
| CN104775835B (en) * | 2015-01-26 | 2016-08-24 | 中国矿业大学 | A kind of self-regulation magnetic flow liquid individual prop |
| CN105089264B (en) * | 2015-08-04 | 2017-05-10 | 四川建筑职业技术学院 | Magneto-rheological type anti-fall and anti-tilt device for lifting scaffolding |
| CN108018949A (en) * | 2016-10-28 | 2018-05-11 | 湖北鑫索建设有限公司 | A kind of connection joints of steel structure |
| CN106584491A (en) * | 2017-01-03 | 2017-04-26 | 浙江工业大学 | Mechanical gripper based on magnetorheological effect |
| CN106907486B (en) * | 2017-03-09 | 2019-02-19 | 石家庄铁道大学 | Controllable compound sealing device and sealing method for main drive sealing of roadheader |
| CN107054395B (en) * | 2017-03-21 | 2019-10-18 | 中车山东机车车辆有限公司 | A kind of active control type actuator and bogie |
| KR101963497B1 (en) * | 2017-04-10 | 2019-03-28 | 주식회사 금아하이드파워 | Magneto Rheological Damper for Decreasing |
| CN207080003U (en) * | 2017-07-13 | 2018-03-09 | 柳州东方工程橡胶制品有限公司 | A kind of large bearing capacity permanent magnetism adjustable type MR damper |
| CN108923641B (en) * | 2018-05-22 | 2023-12-12 | 中国科学院高能物理研究所 | DSRD-based high-voltage fast pulse power supply |
| CN109826905B (en) * | 2019-04-03 | 2023-11-03 | 吉林大学 | Energy feedback type damping self-control vibration damper |
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