Elevator shaft column foundation assembly and elevator shaft

Abstract

The utility model discloses an elevator shaft column foundation assembly and an elevator shaft, the elevator shaft column foundation assembly comprises a base anchor, a column foot and stiffening plates, in the elevator shaft column foundation assembly, the stiffening plates are arranged at the four corners of the column foot, so that shear stress transmitted from the column foot to the base anchor is effectively guided and dispersed. Specifically, the first stiffening plate and the second stiffening plate are welded to the side plate and the base plate respectively, a triangular gap structure is formed around the column foot through the specific edge design of the first stiffening plate and the second stiffening plate, the connecting strength between the column foot and the base plate is enhanced through the stiffening plates, and the stress transmitted by the column foot is transmitted to the periphery of the column foot plate. By means of the structural design, the shear damage risk of the foundation plate is remarkably reduced, and the overall reliability and durability of the elevator shaft column foundation assembly are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of construction engineering, and particularly relates to an elevator shaft column foundation assembly and an elevator shaft. Background Art

[0002] The column foundation assembly of an elevator shaft plays a crucial role in the load-bearing structure of the elevator shaft, especially in bearing gravity and transmitting various loads and stresses generated during the operation of the elevator. Traditional elevator shaft column foundation assemblies usually include anchor plates and column feet. The anchor plates are fixed to the foundation by bolt connections and bear the column feet on their upper sides. However, in practical applications, the anchor plates are easily affected by the shear stress transmitted from the column feet, resulting in an increased risk of shear failure of the anchor plates, thereby affecting the stability and safety of the entire elevator shaft. Summary of the Utility Model

[0003] The utility model aims to provide an elevator shaft column foundation assembly and an elevator shaft that can improve the shear stress on the anchor plate and reduce the risk of shear failure of the anchor plate.

[0004] To solve the above technical problems, the utility model provides an elevator shaft column foundation assembly, including:[[]]

[0005] An anchor plate, borne on the upper side of the foundation, wherein a plurality of bolts are arranged through the anchor plate in the up-down direction, and the lower ends of the bolts are embedded in the foundation;

[0006] A column foot, welded on the upper side of the anchor plate, and the plurality of bolts are spaced apart on the outer periphery of the column foot. The column foot includes a side plate extending in the up-down direction; and,[[]]

[0007] Stiffening plates, there are four groups of the stiffening plates, and the four groups of stiffening plates are distributed at the four corners of the column foot. Each group of stiffening plates respectively includes a first stiffening plate and a second stiffening plate. In at least one of the multiple groups of stiffening plates, the first stiffening plate is parallel to the side plate and has a first edge welded to the end side of the side plate and a second edge welded to the upper side of the anchor plate. The first stiffening plate further has a third edge connecting the lower end of the first edge and the inner end of the second edge close to the column foot. The third edge is inclined outward from top to bottom and jointly encloses a triangular gap with the side plate and the anchor plate. The second stiffening plate is perpendicular to the side plate and the first stiffening plate and has a fourth edge welded to the outer side of the side plate and the first stiffening plate. The second stiffening plate further has a fifth edge welded to the upper side of the anchor plate and a sixth edge connecting the lower end of the fourth edge and the inner end of the fifth edge close to the column foot. The sixth edge is inclined outward from top to bottom and jointly encloses a triangular gap with the side plate and the anchor plate.

[0008] Optionally, the first stiffening plate further has a first diagonal edge, which is diagonally distributed with the third edge on the first stiffening plate and is parallel to the third edge; the second stiffening plate further has a second diagonal edge, which is diagonally distributed with the sixth edge on the second stiffening plate and is parallel to the sixth edge.

[0009] Optionally, a plurality of the bolts are distributed between two adjacent first stiffening plates in the circumferential direction, between two adjacent second stiffening plates in the circumferential direction, and / or between one first stiffening plate and one second stiffening plate adjacent in the circumferential direction.

[0010] Optionally, two nuts are sleeved on the upper end of each bolt, and the two nuts are arranged above the anchor plate.

[0011] Optionally, a bolt backing plate is further sleeved on each bolt, and the bolt backing plate is arranged between the nut relatively closer to the anchor plate among the two nuts and the anchor plate. The bolt backing plate is arranged in a plate shape attached to the upper side of the anchor plate, and the projection of the bolt backing plate in the vertical direction exceeds the two nuts.

[0012] Optionally, a shear key is further welded to the lower side of the anchor plate. The shear key is arranged opposite to the column base in the vertical direction, and the shear key is embedded in the foundation.

[0013] Optionally, a bent portion extending in the horizontal direction is provided at the lower end of each bolt.

[0014] To solve the above technical problems, the present utility model provides an elevator shaft, comprising:

[0015] The elevator shaft foundation assembly as described above, and four elevator shaft foundation assemblies are provided and are arranged in an array.

[0016] Optionally, the elevator shaft further comprises four columns, and the four columns respectively bear on the four column foundation assemblies, and each column is correspondingly butted at the upper end of each column base.

[0017] Optionally, each of the column bases and each of the columns is an H-shaped steel, each having two outer plates arranged side by side and a web connecting the two outer plates. Each column base and the corresponding column are rigidly connected by a first connection structure. The first connection structure includes two first connecting plates and two second connecting plates. Each first connecting plate is respectively attached to the outside of each outer plate and is screwed to the outer plates of the column base and the column connected thereto by bolts. The two second connecting plates are respectively attached to both sides of each web and are screwed to the webs of the column base and the column connected thereto by bolts; or,

[0018] Each of the column bases and each of the columns is a square steel pipe. A first welding plate and a first ear plate are provided at the upper end of each column base. The first welding plate covers the upper end surface of the column base and protrudes upward with a positioning post. The first ear plate protrudes outward from the outer periphery of the column base and is perpendicular to the first welding plate. A second welding plate and a second ear plate are provided at the lower end of each column. The second welding plate covers the lower end surface of the column and is provided with a positioning hole. The second ear plate protrudes outward from the outer periphery of the column and is perpendicular to the second welding plate. The first welding plate and the second welding plate are butt-welded, and the positioning post is inserted into the positioning hole. The first ear plate and the second ear plate are screwed together through a third connecting plate.

[0019] The technical solution provided by the present invention has the following advantages:

[0020] The elevator shaft column base assembly provided by the present invention effectively guides and disperses the shear stress transmitted from the column base to the anchor plate by providing stiffening plates at the four corners of the column base. Specifically, the first stiffening plate and the second stiffening plate are respectively welded to the side plate and the anchor plate, and a triangular gap structure is formed around the column base through their specific edge designs, so that the stiffening plates not only enhance the connection strength between the column base and the anchor plate, but also conduct the stress transmitted by the column base to the periphery of the column foot plate. Through this structural design, the risk of shear failure of the anchor plate is significantly reduced, and the overall reliability and durability of the elevator shaft column base assembly are improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the drawings required for the description of the specific embodiments or the prior art. Obviously, the drawings in the following description are some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0022] Figure 1 It is a plan view of an embodiment of the elevator shaft column base and the foundation provided by the present invention;

[0023] Figure 2 for Figure 1 Schematic diagram of the three-dimensional structure of the column foundation assembly in the elevator shaft;

[0024] Figure 3 for Figure 2 A front view of the column foundation assembly in the elevator shaft;

[0025] Figure 4 for Figure 2 A top view of the column foundation assembly in the elevator shaft;

[0026] Figure 5 for Figure 2 Detailed drawing of the connection node between the middle column foot and the upper end butt column;

[0027] Figure 6 for Figure 5 A schematic cross-sectional view of the middle column foot and the upper end of the column connected thereto;

[0028] Figure 7 for Figure 2 A top view of another embodiment of a column base assembly in a central elevator shaft;

[0029] Figure 8 for Figure 7 Detailed drawing of the connection node between the middle column foot and the upper end butt column;

[0030] Figure 9 for Figure 8 Front view of the layout of the center column foot;

[0031] Figure 10 for Figure 8 Partial front view of the center column.

[0032] Description of reference numerals:

[0033] 100-elevator shaft column base assembly; 200-foundation; 10-anchor plate; 11-bolt; 111-bending portion; 12-column foot; 121-side plate; 20-stiffening plate; 21-first stiffening plate; 211-first edge; 212-second edge; 213-third edge; 214-first diagonal edge; 22-second stiffening plate; 221-fourth edge; 222-fifth edge; 223-sixth edge; 224-second diagonal edge; 30-nut; 40-bolt pad; 50-shear key; 300-column; 301-outer plate; 302-web plate; 61-first connecting plate; 62-second connecting plate; 70-third connecting plate; 71-first welding plate; 72-first ear plate; 73-positioning column; 74-second welding plate; 75-second ear plate; 76-positioning hole. DETAILED DESCRIPTION

[0034] The technical solution of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the present utility model, rather than all of them. The present utility model will be described in detail below with reference to the drawings and in combination with the embodiments. It should be noted that, without conflict, the embodiments in the present utility model and the features in the embodiments can be combined with each other.

[0035] It should be noted that the terms "first", "second", etc. in the specification and claims of the present utility model and the above-mentioned drawings are used to distinguish similar objects, and do not have to be used to describe a specific order or sequence.

[0036] Please refer to Figures 1 to 10 , the present utility model provides an elevator shaft column foundation assembly 100 and an elevator shaft including the same. It should be noted that in the present utility model, the elevator shaft 1 and the elevator shaft column foundation assembly 100 are mainly made of steel structures, and the material of their main load-bearing structures is steel. It is preferably installed on the existing building structure to add an elevator shaft to a building without an elevator.

[0037] Please continue to refer to Figure 1 , in the present utility model, a foundation 200 is provided below the elevator shaft. The foundation 200 may include a reinforced concrete or plain concrete structure. The foundation 200 is firmly connected to the elevator shaft column foundation assembly 100 and conducts the force it bears to the ground base layer. Specifically, the elevator shaft may include four columns 300 and four elevator shaft column foundation assemblies 100 disposed below the four columns 300. The four elevator shaft column foundation assemblies 100 are arranged in an array to correspondingly bear the four columns 300, and each column 300 is correspondingly butted at the upper end of the column foot 12 of each elevator shaft column foundation assembly 100. In this embodiment, the foundation 200 may include an enlarged portion disposed on the lower side of the anchor plates 10 of the four elevator shaft column foundation assemblies 100, and a foundation 200 beam connected between every two adjacent enlarged portions in the circumferential direction, so as to enhance the overall stiffness of the foundation 200.

[0038] Furthermore, please continue to refer to FIG. Figures 1 to 4 , the elevator shaft column foundation assembly 100 includes an anchor plate 10, a column foot 12, and a stiffening plate 20. Among them, the anchor plate 10 is borne on the upper side of the foundation 200, and a plurality of bolts 11 are arranged through the anchor plate 10 in the up-down direction, and the lower ends of the bolts 11 are embedded in the foundation 200. It can be understood that the anchoring length of each bolt 11 embedded in the foundation 200 should meet the design requirements, so as to firmly rivet the anchor plate 10 on the foundation 200.

[0039] The column base 12 is welded to the upper side of the anchor plate 10. A plurality of the bolts 11 are spaced apart on the outer periphery of the column base 12. The column base 12 includes a side plate 121 extending in the vertical direction. It can be understood that the specifications and dimensions of the column base 12 should be consistent with the column 300 docked at its upper end, so that a rigid connection can be achieved through a reliable connection structure. In the first embodiment provided by the present utility model, as shown in the figure, the column base 12 is an H-shaped steel, that is, its cross-section is H-shaped, and has two outer plates 301 arranged side by side and a web 302 connecting the two outer plates 301. In this embodiment, at least one of the two outer plates 301 constitutes the side plate 121.

[0040] There are four groups of the stiffening plates 20, and the four groups of the stiffening plates 20 are distributed at the four corners of the column base 12. Specifically, they can be distributed at the respective ends of the two outer plates 301. Please refer to Figure 2 , each group of the stiffening plates 20 respectively includes a first stiffening plate 21 and a second stiffening plate 22. In at least one of the multiple groups of the stiffening plates 20, the first stiffening plate 21 is parallel to the side plate 121, and has a first edge 211 welded to the end side of the side plate 121 and a second edge 212 welded to the upper side of the anchor plate 10. The first stiffening plate 21 further has a third edge 213 connecting the lower end of the first edge 211 and the inner end of the second edge 212 close to the column base 12. The third edge 213 is inclined outward from top to bottom, and together with the side plate 121 and the anchor plate 10, encloses a triangular gap. The second stiffening plate 22 is perpendicular to the side plate 121 and the first stiffening plate 21, and has a fourth edge 221 welded to the outer side of the side plate 121 and the first stiffening plate 21. The second stiffening plate 22 further has a fifth edge 222 welded to the upper side of the anchor plate 10, and a sixth edge 223 connecting the lower end of the fourth edge 221 and the inner end of the fifth edge 222 close to the column base 12. The sixth edge 223 is inclined outward from top to bottom, and together with the side plate 121 and the anchor plate 10, encloses a triangular gap.

[0041] In this embodiment, the first stiffening plate 21 and the second stiffening plate 22 are respectively welded to the side plate 121 and the anchor plate 10, and through their specific edge designs, a triangular gap structure is formed around the column base 12, so that the stiffening plates 20 not only enhance the connection strength between the column base 12 and the anchor plate 10, but also conduct the stress transmitted by the column base 12 to the periphery of the column base 12 plate. Through this structural design, the risk of shear failure of the anchor plate 10 is significantly reduced, and the overall reliability and durability of the elevator shaft column foundation assembly 100 are improved.

[0042] Furthermore, please continue to refer to Figure 2, the first stiffening plate 21 further has a first diagonal edge 214. The first diagonal edge 214 and the third edge 213 are diagonally distributed on the first stiffening plate 21 and are parallel to the third edge 213. The second stiffening plate 22 further has a second diagonal edge 224. The second diagonal edge 224 and the sixth edge 223 are diagonally distributed on the second stiffening plate 22 and are parallel to the sixth edge 223. In this embodiment, the third edge 213 forms a chamfer of the first stiffening plate 21, and the sixth edge 223 forms a chamfer of the second stiffening plate 22. On the one hand, it plays a role in avoiding stress concentration and strengthening the mechanical properties of the stiffening plate 20. On the other hand, it also plays a role in further evenly dispersing stress.

[0043] In a preferred embodiment, please refer to Figure 4 , a plurality of the bolts 11 are distributed between two adjacent first stiffening plates 21 in the circumferential direction, between two adjacent second stiffening plates 22 in the circumferential direction, and / or between one adjacent first stiffening plate 21 and one adjacent second stiffening plate 22 in the circumferential direction. That is to say, a plurality of bolts 11 and a plurality of first stiffening plates 21 and a plurality of second stiffening plates 22 are basically alternately and evenly distributed in the circumferential direction. In this way, on the one hand, the elevator shaft foundation assembly 100 has better mechanical conduction performance, and on the other hand, the bolts 11 are convenient for adjustment operation to level the column base plate 12.

[0044] Optionally, two nuts 30 are sleeved on the upper end of each bolt 11, and the two nuts 30 are arranged above the anchor plate 10. In this way, the bolt 11 and the anchor plate 10 are reliably anchored through the double-nut 30 structure. Preferably, please continue to refer to Figure 2 and Figure 3 , a bolt backing plate 40 is further sleeved on each bolt 11. The bolt backing plate 40 is arranged between the nut 30 relatively close to the anchor plate 10 among the two nuts 30 and the anchor plate 10. The bolt backing plate 40 is arranged in a plate shape attached to the upper side of the anchor plate 10, and the projection of the bolt backing plate 40 in the up-down direction exceeds the two nuts 30. The aperture of the screw hole on each bolt backing plate 40 is adapted to the riveted bolt 11, and plays a role in evenly transmitting the pressure of the nut 30 on the anchor plate 10 to the anchor plate 10.

[0045] In an alternative embodiment, please refer to Figure 3 and Figure 4 , a shear key 50 is further welded to the lower side of the anchor plate 10. The shear key 50 and the column base 12 are arranged opposite to each other in the up-down direction, and the shear key 50 is embedded in the foundation 200. In this embodiment, the shear key 50 can effectively resist shear and plays a role in resisting lateral displacement.

[0046] Preferably, a bent portion 111 extending in the horizontal direction is provided at the lower end of each of the bolts 11 to improve the anchoring performance of each bolt 11 with the foundation 200 and reduce the anchoring length.

[0047] In this embodiment, please refer to Figure 5 and Figure 6 , each of the column feet 12 and each of the columns 300 are H-shaped steels, respectively having two outer plates 301 arranged side by side and a web 302 connecting the two outer plates 301. A first connecting structure is used to rigidly connect each column foot 12 and the corresponding column 300. The first connecting structure includes two first connecting plates 61 and two second connecting plates 62. Each of the first connecting plates 61 is respectively attached to the outside of each of the outer plates 301, and is screwed to the outer plates 301 of the column foot 12 and the column 300 connected by the bolt 11. The two second connecting plates 62 are respectively attached to both sides of each of the webs 302, and are screwed to the webs 302 of the column foot 12 and the column 300 connected by the bolt 11. In this way, the column foot 12 and the column 300 above it are rigidly connected by the first connecting structure using the bolt 11, so as to firmly connect the two and reliably transfer the load. The connection method provided in this embodiment is firm and reliable, further improving the overall structural strength and stability of the elevator shaft assembly.

[0048] In another embodiment provided by the present invention, please refer to Figures 7 to 10, each of the column feet 12 and each of the columns 300 are square steel tubes, and the cross-sections of each of the column feet 12 and each of the columns 300 are square. That is, a first welding plate 71 and a first ear plate 72 are provided at the upper end of each of the column feet 12. The first welding plate 71 covers the upper end surface of the column foot 12 and is provided with a positioning post 73 protruding upward. The first ear plate 72 protrudes outward from the outer periphery of the column foot 12 and is perpendicular to the first welding plate 71. A second welding plate 74 and a second ear plate 75 are provided at the lower end of each of the columns 300. The second welding plate 74 covers the lower end surface of the column 300 and is provided with a positioning hole 76. The second ear plate 75 protrudes outward from the outer periphery of the column 300 and is perpendicular to the second welding plate 74. The first welding plate 71 and the second welding plate 74 are butt-welded, and the positioning post 73 is inserted into the positioning hole 76. The first ear plate 72 and the second ear plate 75 are screwed together through a third connecting plate 70. In this embodiment, when connecting the column 300 and the column foot 12 below it, the positioning post 73 and the positioning hole 76 can be used for pre-positioning, then the first welding plate and the second welding plate are welded and fixed, and finally the first ear plate 72 and the second ear plate 75 are connected by the third connecting plate 70 and the bolt 11 to play a role in strengthening the connection. The connection method provided in this embodiment combines the advantages of welding and screwing to achieve a rigid connection between the column 300 and the column foot 12, with a firm and reliable connection, further improving the overall structural strength and stability of the elevator shaft assembly.

[0049] Obviously, the above-described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, those of ordinary skill in the art can make other different forms of changes or modifications without making creative efforts, and all of them should fall within the protection scope of the present invention.

Claims

1. An elevator shaft column foundation assembly, characterized in that, Comprising: A sole plate, borne on the upper side of the foundation, wherein a plurality of bolts are arranged through the sole plate in the up-and-down direction, and the lower ends of the bolts are embedded in the foundation; A column base, welded to the upper side of the sole plate, and the plurality of bolts are spaced apart on the outer periphery of the column base. The column base includes side plates extending in the up-and-down direction; and, Stiffening plates, there are four groups of the stiffening plates, and the four groups of stiffening plates are distributed at the four corners of the column base. Each group of the stiffening plates respectively includes a first stiffening plate and a second stiffening plate. In at least one of the multiple groups of stiffening plates, the first stiffening plate is parallel to the side plate, and has a first edge welded to the end side of the side plate and a second edge welded to the upper side of the sole plate. The first stiffening plate further has a third edge connecting the lower end of the first edge and the inner end of the second edge close to the column base. The third edge is inclined outward from top to bottom, and together with the side plate and the sole plate encloses a triangular gap. The second stiffening plate is perpendicular to the side plate and the first stiffening plate, and has a fourth edge welded to the outer side of the side plate and the first stiffening plate. The second stiffening plate further has a fifth edge welded to the upper side of the sole plate, and a sixth edge connecting the lower end of the fourth edge and the inner end of the fifth edge close to the column base. The sixth edge is inclined outward from top to bottom, and together with the side plate and the sole plate encloses a triangular gap.

2. The elevator shaft base component according to claim 1, characterized in that, The first stiffening plate further has a first diagonal edge, and the first diagonal edge and the third edge are diagonally distributed on the first stiffening plate and are parallel to the third edge; the second stiffening plate further has a second diagonal edge, and the second diagonal edge and the sixth edge are diagonally distributed on the second stiffening plate and are parallel to the sixth edge.

3. The elevator shaft column base assembly according to claim 1, wherein, The plurality of bolts are distributed between two adjacent first stiffening plates in the circumferential direction, between two adjacent second stiffening plates in the circumferential direction, and / or between one adjacent first stiffening plate and one adjacent second stiffening plate in the circumferential direction.

4. The elevator shaft column foundation assembly according to claim 3, wherein Two nuts are sleeved on the upper end of each bolt, and the two nuts are arranged above the sole plate.

5. The elevator shaft column foundation assembly according to claim 4, characterized in that, A bolt backing plate is further sleeved on each bolt. The bolt backing plate is arranged between the nut relatively closer to the sole plate among the two nuts and the sole plate. The bolt backing plate is arranged in a plate shape attached to the upper side of the sole plate, and the projection of the bolt backing plate in the up-and-down direction exceeds the two nuts.

6. The elevator shaft column foundation assembly according to claim 1, characterized in that, A shear key is further welded to the lower side of the sole plate. The shear key and the column base are arranged opposite to each other in the up-and-down direction, and the shear key is embedded in the foundation.

7. The elevator shaft column base assembly according to any one of claims 1 to 6, characterized in that, The lower end of each bolt is provided with a bent portion extending in the horizontal direction.

8. An elevator shaft, characterized in that, Comprising: The elevator shaft column base assembly according to any one of claims 1 to 7, and there are four of the elevator shaft column base assemblies, and the four elevator shaft column base assemblies are arranged in an array.

9. The elevator hoistway according to claim 8, characterized in that, The elevator shaft further includes four columns, and the four columns are respectively borne on the four column base assemblies one by one, and each column is correspondingly butted at the upper end of each column base.

10. The elevator hoistway according to claim 9, characterized in that, Each of the column bases and each of the columns is an H-shaped steel, respectively having two outer plates arranged side by side and a web connecting the two outer plates. Each of the column bases and the corresponding column are rigidly connected through a first connection structure. The first connection structure includes two first connection plates and two second connection plates. Each of the first connection plates is respectively attached to the outside of each of the outer plates and is screwed to the outer plates of the column base and the column connected thereto by bolts. The two second connection plates are respectively attached to both sides of each of the webs and are screwed to the webs of the column base and the column connected thereto by bolts; or, Each of the column bases and each of the columns is a square steel tube. A first welding plate and a first ear plate are provided at the upper end of each of the column bases. The first welding plate covers the upper end surface of the column base and protrudes upward with a positioning post. The first ear plate protrudes outward from the outer periphery of the column base and is perpendicular to the first welding plate. A second welding plate and a second ear plate are provided at the lower end of each of the columns. The second welding plate covers the lower end surface of the column and is provided with a positioning hole. The second ear plate protrudes outward from the outer periphery of the column and is perpendicular to the second welding plate. The first welding plate and the second welding plate are butt-welded, and the positioning post is inserted into the positioning hole. The first ear plate and the second ear plate are screwed together through a third connection plate.

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