CN112499436A - Multi-degree-of-freedom weak connection node additionally provided with elevator steel shaft - Google Patents
Multi-degree-of-freedom weak connection node additionally provided with elevator steel shaft Download PDFInfo
- Publication number
- CN112499436A CN112499436A CN202011449171.4A CN202011449171A CN112499436A CN 112499436 A CN112499436 A CN 112499436A CN 202011449171 A CN202011449171 A CN 202011449171A CN 112499436 A CN112499436 A CN 112499436A
- Authority
- CN
- China
- Prior art keywords
- plate
- main shaft
- freedom
- mounting plate
- sleeved
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 28
- 239000010959 steel Substances 0.000 title claims abstract description 28
- 230000006835 compression Effects 0.000 claims abstract description 17
- 238000007906 compression Methods 0.000 claims abstract description 17
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 230000003014 reinforcing effect Effects 0.000 claims description 22
- 238000006073 displacement reaction Methods 0.000 abstract description 13
- 238000011084 recovery Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
- B66B11/0005—Constructional features of hoistways
-
- 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
- E04B1/38—Connections for building structures in general
- E04B1/61—Connections for building structures in general of slab-shaped building elements with each other
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F17/00—Vertical ducts; Channels, e.g. for drainage
- E04F17/005—Lift shafts
Abstract
The invention discloses a multi-degree-of-freedom weak connection node additionally provided with an elevator steel shaft, which comprises a rigid end plate fixedly arranged on an existing building and a mounting plate, wherein one end of the mounting plate is fixedly connected with the steel shaft, two lug plates arranged side by side are fixed on the rigid end plate, a main shaft is fixedly arranged between the two lug plates in a penetrating manner, the other end of the mounting plate is sleeved on the main shaft and is positioned between the two lug plates, a compression spring is clamped between each lug plate and the mounting plate, and the compression spring is sleeved on the main shaft. By adopting the arrangement, the invention not only can effectively release the node internal force caused by the vertical displacement difference and the horizontal displacement difference, but also can ensure the connection reliability of the added elevator.
Description
Technical Field
The invention relates to a connecting structure of an elevator steel hoistway, in particular to a multi-degree-of-freedom weak connecting node additionally provided with the elevator steel hoistway.
Background
With the advance of the transformation of the old city of China, the addition of an elevator on the existing building of the old residence becomes a civil problem to be solved urgently, and the wide attention of the society is drawn. The self-weight difference and construction sequence of the steel shaft additionally provided with the elevator and the existing building are different, so that the settlement displacement difference between the steel shaft and the existing building is easily caused; meanwhile, the difference between the mass and the rigidity of the two is large, and a large relative horizontal displacement difference is generated under the horizontal action of wind load or earthquake and the like. Therefore, in order to reduce the possibility of damage to existing buildings, the connection between the two needs to be designed and optimized, in an effort to make the connection sufficiently "weak" while also ensuring the reliability of the connection of the elevator hoistway. This also makes it a technical challenge to connect the elevator steel shaft to existing buildings for the addition of elevators.
At present, the steel shaft additionally provided with the elevator is usually directly connected with the existing building through bolts, the connection does not belong to weak connection, interaction possibly caused by the connection is not considered, and once the displacement difference occurs, stress generated by the displacement difference in a connecting node is enough to cause node damage, so that local damage is caused to the existing building, and even greater potential safety hazard is caused.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a multi-degree-of-freedom weak connection node additionally provided with an elevator steel shaft, which not only can effectively release the internal force of the node caused by the displacement difference, but also can ensure the connection reliability of the additionally provided elevator.
In order to achieve the purpose, the invention provides a multi-degree-of-freedom weak connection node additionally provided with an elevator steel shaft, which comprises a rigid end plate fixedly arranged on an existing building and a mounting plate, wherein one end of the mounting plate is fixedly connected with the steel shaft, two lug plates arranged side by side are fixed on the rigid end plate, a main shaft is fixedly arranged between the two lug plates in a penetrating manner, the other end of the mounting plate is sleeved on the main shaft and is positioned between the two lug plates, a compression spring is clamped between each lug plate and the mounting plate, and the compression spring is sleeved on the main shaft.
The invention has the beneficial effects that: the node internal force caused by the settlement difference between the structures can be effectively weakened through the rotational freedom of the mounting plate on the main shaft; the degree of freedom generated by the deformation of the mounting plate in a swinging and compression mode can effectively weaken the node internal force generated by the horizontal displacement difference between the structures, and meanwhile, the steel well can be reset to the initial state to the maximum extent by the restoring force of the compression spring. Therefore, the internal force of the node caused by the vertical and horizontal displacement difference can be effectively released, and the connection reliability of the additionally-arranged elevator can be ensured through the connection.
The invention can be further arranged in such a way that the hole connected with the main shaft on the mounting plate is an elliptical hole, the main shaft is sleeved with an elastic block used for filling the elliptical hole, and the elastic block can be a super-elastic rubber block, so that the mounting plate has greater freedom degree of rotation or swing, and the node internal force caused by displacement difference is further weakened.
The invention can be further arranged in a way that the compression spring is pressed against the mounting plate through the gasket, the gasket is coaxially sleeved on the main shaft, the end surface of the gasket facing the mounting plate is provided with a spherical groove which is communicated with the inner hole of the gasket and takes the inner hole of the gasket as the center, the two axial ends of the elastic block are integrally formed with spherical convex blocks sleeved on the main shaft, and the spherical convex blocks at each end are embedded in the spherical grooves at the corresponding ends. Through the arrangement, the compression spring is prevented from directly acting on the mounting plate, and the mounting plate is protected; in addition, the mounting plate can be quickly centered and reset to the initial position after rotating or swinging relative to the main shaft through the matching of the spherical convex block and the spherical groove.
The invention can be further provided that a ring-shaped spring arranged around the main shaft is embedded in the spherical convex block at each end. Through setting up annular spring, both make spherical lug and spherical recess keep laminating more closely, ensure reliable connection, help spherical lug to receive quick recovery after the extrusion again.
The invention can be further provided that the ear plate is welded and fixed on the rigid end plate, and a reinforcing structure is arranged between the ear plate and the rigid end plate. The end part welded with the rigid end plate on the lug plate is provided with a flange which protrudes outwards and is fixed on the rigid end plate in a circle, the reinforcing structure comprises a reinforcing plate, the reinforcing plate is sleeved on the lug plate and is welded and fixed on the rigid end plate, and a notch for embedding the flange is formed in the reinforcing plate. By the arrangement, the fixed connection between the ear plate and the rigid end plate can be reinforced to the maximum extent. The reinforcing plate is integrally formed with a plurality of reinforcing blocks for clamping and fixing the ear plates along the length direction. This provides a further supporting fixation of the ear plate.
The invention can be further set as that the rigid end plate is fixedly connected with the existing building through the embedded anchor bolt, and the mounting plate is fixedly connected with the steel well through the connecting bolt.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a partial exploded view of the present invention;
FIG. 3 is a cross-sectional view of a portion of the present invention;
FIG. 4 is a structural view of an elastic block according to the present invention;
FIG. 5 is a partial exploded view of the present invention;
fig. 6 is a structural view of a reinforcing plate in the present invention.
Detailed Description
As shown in fig. 1-6, a multi-degree-of-freedom weak connection node for additionally arranging an elevator steel shaft is provided, which comprises a rigid end plate 1 and a mounting plate 2, wherein the rigid end plate 1 forms a fixed connection with an existing building through an embedded anchor bolt 3, two lug plates 4 arranged side by side are fixed on the rigid end plate 1, a spindle 5 is fixedly arranged between the two lug plates 4 in a penetrating manner, one end of the mounting plate 2 forms a fixed connection with the steel shaft through a connecting bolt 6, the other end of the mounting plate 2 is sleeved on the spindle 5 and is positioned between the two lug plates 4, a compression spring 7 is clamped between each lug plate 4 and the mounting plate 2, and the compression spring 7 is sleeved on the spindle 5.
The node internal force caused by the settlement difference between the structures can be effectively weakened through the rotational freedom of the mounting plate 2 on the main shaft 5; the degree of freedom generated by the deformation of the mounting plate 2 by swinging and compressing the compression spring 7 can effectively weaken the node internal force generated by the horizontal displacement difference between the structures, and meanwhile, the steel well can be furthest reset to the initial state by the restoring force of the compression spring 7. Therefore, the internal force of the node caused by the vertical and horizontal displacement difference can be effectively released, and the connection reliability of the additionally-arranged elevator can be ensured through the connection.
The hole that is connected with main shaft 5 on the mounting panel 2 is oval hole 21, and the cover is equipped with the elasticity piece 8 that is used for filling this oval hole 21 on main shaft 5, elasticity piece 8 specifically can be super-elastic rubber block to make mounting panel 2 have bigger rotation or swing degree of freedom, and then further weaken the node internal force that the displacement difference arouses. The compression spring 7 is pressed against the mounting plate 2 through a gasket 9, the gasket 9 is coaxially sleeved on the main shaft 5, a spherical groove 92 which is communicated with the gasket inner hole 91 and takes the gasket inner hole 91 as the center is formed in the end face, facing the mounting plate, of the gasket 9, a spherical convex block 81 sleeved on the main shaft 5 is integrally formed at two axial ends of the elastic block 8, and the spherical convex block 81 at each end is embedded in the spherical groove 92 at the corresponding end. Through the arrangement, the compression spring 7 is prevented from directly acting on the mounting plate 2, and the mounting plate 2 is protected; and moreover, the elastic block 8 can be effectively prevented from falling out, and in addition, the mounting plate 2 can be quickly centered and reset to the initial position after rotating or swinging relative to the main shaft 5 through the matching of the spherical convex block 81 and the spherical groove 92. A ring spring 82 disposed around the main shaft 5 is also embedded in the spherical projection 81 at each end. By providing the annular spring 82, both the spherical projection 81 and the spherical recess 92 are maintained in closer abutment, ensuring a reliable connection, and facilitating a quick recovery of the spherical projection 81 after being squeezed.
The ear plate 4 is welded and fixed on the rigid end plate 1, and a reinforcing structure is arranged between the ear plate 4 and the rigid end plate 1. The welded end of the lug plate 4 and the rigid end plate 1 is provided with a ring of flanges 41 which protrude outwards and are attached to the rigid end plate 1, the reinforcing structure comprises a reinforcing plate 10, the reinforcing plate 10 is sleeved on the lug plate 4 and is welded and fixed on the rigid end plate 1, and notches 101 for the flanges 41 to be embedded are formed in the reinforcing plate 10. This arrangement maximizes the secure attachment of the ear panel 4 to the rigid end panel 1. The reinforcing plate 10 is integrally formed with a plurality of reinforcing blocks 102 along the longitudinal direction thereof for holding and fixing the ear plate 4. This provides a further supporting fixation of the ear plate 4.
Claims (8)
1. The utility model provides an add weak connected node of multi freedom of elevator steel well, includes the fixed mounting panel that sets up rigidity end plate, one end and steel well fixed connection on existing building, its characterized in that: the rigid end plate is fixed with two ear plates which are arranged side by side, a main shaft is arranged between the two ear plates in a penetrating mode, the other end of the mounting plate is sleeved on the main shaft and located between the two ear plates, a compression spring is arranged between each ear plate and the mounting plate in a clamping mode, and the compression spring is sleeved on the main shaft.
2. The multi-degree-of-freedom weak connection node with the added elevator steel hoistway according to claim 1, is characterized in that: the hole connected with the main shaft on the mounting plate is an elliptical hole, and the main shaft is sleeved with an elastic block used for filling the elliptical hole.
3. The multi-degree-of-freedom weak connection node with the added elevator steel hoistway according to claim 2 is characterized in that: the compression spring is pressed on the mounting plate through the gasket, the gasket is coaxially sleeved on the main shaft, a spherical groove which is communicated with the inner hole of the gasket and takes the inner hole of the gasket as the center is formed in the end face of the gasket, which faces the mounting plate, the two axial ends of the elastic block are integrally formed with spherical convex blocks sleeved on the main shaft, and the spherical convex blocks at each end are all embedded in the spherical grooves at the corresponding ends.
4. The multi-degree-of-freedom weak connection node with the added elevator steel hoistway according to claim 3, is characterized in that: and a ring-shaped spring arranged around the main shaft is embedded in the spherical convex block at each end.
5. The weakly connected node of multiple degrees of freedom for adding an elevator steel hoistway according to claim 1, 2, 3 or 4, characterized in that: the ear plate is welded and fixed on the rigid end plate, and a reinforcing structure is arranged between the ear plate and the rigid end plate.
6. The multi-degree-of-freedom weak connection node with the added elevator steel hoistway according to claim 5, is characterized in that: the end part welded with the rigid end plate on the lug plate is provided with a flange which protrudes outwards and is fixed on the rigid end plate in a circle, the reinforcing structure comprises a reinforcing plate, the reinforcing plate is sleeved on the lug plate and is welded and fixed on the rigid end plate, and a notch for embedding the flange is formed in the reinforcing plate.
7. The multi-degree-of-freedom weak connection node with the added elevator steel hoistway according to claim 6, is characterized in that: the reinforcing plate is integrally formed with a plurality of reinforcing blocks for clamping and fixing the ear plates along the length direction.
8. The weakly connected node of multiple degrees of freedom for adding an elevator steel hoistway according to claim 1, 2, 3 or 4, characterized in that: the rigid end plate forms fixed connection with the existing building through the embedded anchor, and the mounting plate forms fixed connection with the steel hoistway through the connecting bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011449171.4A CN112499436A (en) | 2020-12-11 | 2020-12-11 | Multi-degree-of-freedom weak connection node additionally provided with elevator steel shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011449171.4A CN112499436A (en) | 2020-12-11 | 2020-12-11 | Multi-degree-of-freedom weak connection node additionally provided with elevator steel shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112499436A true CN112499436A (en) | 2021-03-16 |
Family
ID=74971367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011449171.4A Pending CN112499436A (en) | 2020-12-11 | 2020-12-11 | Multi-degree-of-freedom weak connection node additionally provided with elevator steel shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112499436A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113460833A (en) * | 2021-06-30 | 2021-10-01 | 赵霄雯 | Multi-degree-of-freedom weak connection node additionally provided with elevator steel shaft |
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| CN105565122A (en) * | 2016-03-18 | 2016-05-11 | 杭州临安众方机电有限公司 | Stabilization mechanism of elevator car |
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| CN110206221A (en) * | 2019-05-15 | 2019-09-06 | 合肥国瑞集成建筑科技有限公司 | A kind of high-strength building wallboard |
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| CN210144145U (en) * | 2019-05-16 | 2020-03-17 | 广西众成铝业有限公司 | All-aluminum furniture convenient to assemble |
| CN211169400U (en) * | 2019-08-08 | 2020-08-04 | 张会春 | Detachable wall-attached connecting structure of building construction elevator |
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| CN213770975U (en) * | 2020-12-11 | 2021-07-23 | 湖州职业技术学院 | Multi-degree-of-freedom weak connection node additionally provided with elevator steel shaft |
-
2020
- 2020-12-11 CN CN202011449171.4A patent/CN112499436A/en active Pending
Patent Citations (16)
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| CN105133843A (en) * | 2015-09-02 | 2015-12-09 | 北京市建筑设计研究院有限公司 | Device capable of releasing installation-stage internal force of steel support and installation method |
| CN105565122A (en) * | 2016-03-18 | 2016-05-11 | 杭州临安众方机电有限公司 | Stabilization mechanism of elevator car |
| CN106480991A (en) * | 2016-11-02 | 2017-03-08 | 西安建筑科技大学 | A kind of shape memory alloy spring antivibrator |
| CN207314052U (en) * | 2017-10-27 | 2018-05-04 | 中唐空铁集团有限公司 | Lateral stability type fixed structure for empty rail road |
| CN108487460A (en) * | 2018-03-09 | 2018-09-04 | 中国建筑股份有限公司 | A kind of not damaged adjustable rigidity precast frame beam-to-column joint structure and its construction method |
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| CN110241914A (en) * | 2019-05-29 | 2019-09-17 | 东南大学 | The controllable assembling type node construction of rigidity and its construction method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113460833A (en) * | 2021-06-30 | 2021-10-01 | 赵霄雯 | Multi-degree-of-freedom weak connection node additionally provided with elevator steel shaft |
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