Beam column and elevator shaft connecting structure
Through the connection structure between prefabricated beams and elevator shafts, the embedded connectors and welding processes are used to solve the problems of long construction cycles and dirty and messy on-site environments in the existing technology, and the efficient and fast construction and cleanliness of the site are achieved.
Patent Information
- Application Number
- CN202422220672.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-11
- Publication Date
- 2025-06-24
- Estimated Expiration
- 2034-09-11
AI Technical Summary
In the prior art, when installing elevators in old communities, the construction period of cast-in-place concrete structures is long and requires a large amount of scaffolding and materials, which leads to dirty and messy environments, affecting residents' lives, and the site occupies a large area when the beams and columns are connected to the elevator shaft, which takes up a long time.
The connection structure between the prefabricated beam and the elevator shaft is adopted. One end of the prefabricated beam is pre-buried with the I-shaped first connector, and the second connector is provided on the elevator shaft. The node connection between the beam and the elevator shaft is completed through fixing screws and welding processes.
It achieves efficient and rapid construction, reduces the time and space occupied on the site, improves the cleanliness of the construction site, and reduces the impact on residents' lives.
Smart Images
Figure CN223018259U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of elevator construction and installation, in particular to a connecting structure between a beam-column and an elevator shaft. Background Art
[0002] With the continuous improvement of people's living standards, the installation of elevators in old communities has become increasingly popular. In the project of installing elevators in old communities, the main structures of elevator shafts are steel structures and concrete structures, and almost all concrete structures are in the form of cast-in-place. For cast-in-place concrete structures, the construction period is long, a large number of scaffolds are required, the on-site stacking of materials and long-term construction operations occupy space for a long time, the on-site environment is dirty and messy, and it affects the daily life of residents. Especially when connecting the beam-column and the elevator shaft, the site occupied by on-site casting construction is larger and the space occupation time is longer. Therefore, it is necessary to propose a connective structure between a beam-column and an elevator shaft that can be quickly assembled to solve the above problems. Content of the Utility Model
[0003] The main purpose of the utility model is to overcome the above-mentioned shortcomings and deficiencies of the prior art, and to provide a connecting structure between a beam-column and an elevator shaft.
[0004] A connecting structure between a beam-column and an elevator shaft includes at least one precast beam and an elevator shaft. A first connecting piece is embedded at one end of the precast beam. The first connecting piece is in an I shape and includes a first connecting plate, a first welding plate arranged above the first connecting plate, and a second welding plate arranged below the first connecting plate. At least one first connecting hole is provided on the first connecting plate. A second connecting piece is provided on the elevator shaft. The second connecting piece includes a base plate, a second connecting plate, a support plate and at least one steel bar. The steel bar is arranged on one side of the base plate, and the support plate and the second connecting plate are arranged on the other side of the base plate. The base plate and the steel bar are embedded in the elevator shaft, the second connecting plate and the support plate extend out of the elevator shaft, the support plate is arranged below the second connecting plate, and at least one second connecting hole is provided on the second connecting plate. When the precast beam and the elevator shaft are connected, the second welding plate abuts against the support plate for positioning. After the first connecting plate and the second connecting plate are attached, the first connecting hole corresponds to the second connecting hole, and is fixed by passing a fixing screw through the first connecting hole and the second connecting hole. Then, the first welding plate and the second welding plate are respectively welded and fixed to the base plate.
[0005] Both the precast beam and the elevator shaft of the utility model are made by precast method. At the site, the end of the precast beam is hoisted and placed on the support plate, the first connection hole and the second connection hole are aligned, high-strength fixing screws are inserted and tightened, and the first welding plate and the second welding plate are respectively welded and fixed to the base plate by using the welding process holes, so as to complete the connection of all nodes between the beam and the elevator shaft, eliminating the need for scaffolding installation, with high construction efficiency and speed, a clean and tidy construction site, and reducing the impact on residents.
[0006] In the implementation manner of one of the embodiments, the elevator shaft includes columns and cross beams, the second connecting member is arranged on the columns or / and the cross beams, and the second connecting member includes multiple steel bars, and the multiple steel bars are arranged on one side of the base plate and embedded in the columns or / and the cross beams.
[0007] In the implementation manner of one of the embodiments, the second connection hole is a circular hole or an oblong hole. Preferably, the second connection hole is an oblong hole, and the number of the second connection holes is two, four or six.
[0008] In the implementation manner of one of the embodiments, a welding groove is provided at the end of the first connecting plate, and the welding groove is arc-shaped from the end of the first connecting plate to the first welding plate and the second welding plate.
[0009] In the implementation manner of one of the embodiments, arc-shaped welding parts are provided at the ends of the first welding plate and the second welding plate.
[0010] In the implementation manner of one of the embodiments, a first through hole and multiple bolts are provided on the first connecting plate, and the multiple bolts are arranged in an array with the first through hole as the center.
[0011] In the implementation manner of one of the embodiments, a fixing member is provided on the base plate, at least one steel bar hole is provided on the fixing member, the steel bar passes through the steel bar hole, and the fixing member, the steel bar and the base plate are simultaneously embedded in the elevator shaft.
[0012] In the implementation manner of one of the embodiments, a second through hole is provided on the fixing member, multiple steel bar holes are provided on the fixing member, and the multiple steel bar holes are arranged in an array with the second through hole as the center.
[0013] In the implementation manner of one of the embodiments, the fixing member is in an I shape, the middle part of the fixing member is a fixing plate, and the second through hole and the steel bar holes are provided on the fixing plate.
[0014] The beneficial effects of the connection structure between the beam-column and the elevator shaft of the present utility model are as follows: Both the precast beam and the elevator shaft are fabricated in a precast manner. At the construction site, the end of the precast beam is hoisted and placed on the support plate, the first connection hole and the second connection hole are aligned, high-strength fixing screws are inserted and tightened, and the first welding plate and the second welding plate are respectively welded and fixed to the base plate by using the welding process holes, thus completing the connection of all nodes between the beam and the elevator shaft. This eliminates the need for scaffolding installation, enables efficient and rapid construction, keeps the construction site clean and tidy, and reduces the impact on residents. Brief Description of the Drawings
[0015] Figure 1 It is a schematic assembly structure diagram of the connection structure between the beam-column and the elevator shaft of the present utility model;
[0016] Figure 2 It is Figure 1 A partially enlarged schematic diagram of the structure in the connection structure between the beam-column and the elevator shaft of the present utility model;
[0017] Figure 3 It is Figure 1 A schematic diagram of the structure of the first connecting member in the connection structure between the beam-column and the elevator shaft of the present utility model;
[0018] Figure 4 It is Figure 1 A schematic assembly structure diagram of the second connecting member and the column in the connection structure between the beam-column and the elevator shaft of the present utility model;
[0019] Figure 5 A schematic diagram of the structure of the first connecting member and the second connecting member in the connection structure between the beam-column and the elevator shaft of the present utility model;
[0020] Figure 6a A first-angle schematic diagram of the second connecting member in the second embodiment of the connection structure between the beam-column and the elevator shaft of the present utility model;
[0021] Figure 6b A second-angle schematic diagram of the second connecting member in the second embodiment of the connection structure between the beam-column and the elevator shaft of the present utility model;
[0022] Figure 7 A schematic assembly structure diagram of the second connecting member and the cross beam in the connection structure between the beam-column and the elevator shaft of the present utility model. Detailed Description of the Embodiments
[0023] The embodiments of the present utility model will be described in detail below. The examples of the embodiments are shown in the drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described by referring to the drawings are exemplary and are only used to explain the present utility model and should not be construed as a limitation to the present utility model.
[0024] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by terms such as "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present utility model.
[0025] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present utility model, "a plurality of" means two or more unless otherwise specifically defined.
[0026] In the present utility model, unless otherwise clearly defined and limited, terms such as "installation", "connection", "connection", "fixation", etc. should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.
[0027] In the present utility model, unless otherwise clearly defined and limited, the first feature being "on" or "under" the second feature can be that the first and second features are in direct contact, or the first and second features are indirectly in contact through an intermediate medium. Moreover, the first feature being "above", "over" and "on the top of" the second feature can be that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is at a higher horizontal level than the second feature. The first feature being "under", "beneath" and "under the bottom of" the second feature can be that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is at a lower horizontal level than the second feature.
[0028] The utility model provides a connection structure between a beam-column and an elevator shaft, which comprises at least one precast beam and an elevator shaft. A first connecting piece is embedded at one end of the precast beam. The first connecting piece is in an I shape and includes a first connecting plate, a first welding plate arranged above the first connecting plate, and a second welding plate arranged below the first connecting plate. At least one first connecting hole is formed in the first connecting plate. A second connecting piece is arranged on the elevator shaft. The second connecting piece includes a base plate, a second connecting plate, a supporting plate and at least one steel bar. The steel bar is arranged on one side of the base plate, and the supporting plate and the second connecting plate are arranged on the other side of the base plate. The base plate and the steel bar are embedded in the elevator shaft, the second connecting plate and the supporting plate extend out of the elevator shaft, the supporting plate is arranged below the second connecting plate, and at least one second connecting hole is formed in the second connecting plate. When the precast beam is connected to the elevator shaft, the second welding plate abuts against the supporting plate for positioning. After the first connecting plate and the second connecting plate are attached, the first connecting hole corresponds to the second connecting hole. After fixing screws pass through the first connecting hole and the second connecting hole, the first welding plate and the second welding plate are respectively welded and fixed to the base plate.
[0029] Both the precast beam and the elevator shaft of the utility model are made by prefabrication method. During construction, the end of the precast beam is hoisted and placed on the supporting plate, the first connecting hole and the second connecting hole are aligned, high-strength fixing screws are inserted and tightened, and the first welding plate and the second welding plate are respectively welded and fixed to the base plate by using welding process holes, thus completing the connection of all joints between the beam and the elevator shaft, eliminating the installation of scaffolds, achieving high-efficiency and rapid construction, keeping the construction site clean and tidy, and reducing the impact on residents.
[0030] Embodiment
[0031] Please refer to Figure 1 、 Figure 2 and Figure 3 As shown in FIGS.
[0032] More specifically, please refer to Figure 1 、 Figure 2 、 Figure 4 and Figure 5, a second connecting member 2 is provided on the elevator hoistway 200. The second connecting member includes a base plate 21, a second connecting plate 22, a support plate 23 and one or more steel bars 24. One or more steel bars 24 are provided on one side of the base plate 21, and the support plate 23 and the second connecting plate 22 are provided on the other side of the base plate 21. The base plate 21 together with the steel bars 24 is embedded in the elevator hoistway, and the second connecting plate 22 and the support plate 23 extend out of the elevator hoistway. The support plate 23 is provided below the second connecting plate 22 and is perpendicular to the second connecting plate 22. One or more second connecting holes 25 are provided on the second connecting plate 22.
[0033] Please refer to Figure 2 and Figure 5 , when the precast beam 100 is connected to the elevator hoistway 200, the second welding plate 13 abuts against the support plate 23 for positioning. After the first connecting plate 11 and the second connecting plate 22 are attached, the first connecting hole 14 corresponds to the second connecting hole 25. After being fixed by passing the fixing screw 3 through the first connecting hole 14 and the second connecting hole 25, the first welding plate 12 and the second welding plate 13 are respectively welded and fixed to the base plate 21. Among them, the second connecting hole 25 is a circular hole or an oblong hole, which can be set according to different needs.
[0034] More specifically, the elevator hoistway 200 includes columns 201 and cross beams 202. In this embodiment, the columns 201 are taken as an example for illustration. The second connecting member 2 is provided on the columns 201. The second connecting member 2 includes multiple steel bars 24. The multiple steel bars 24 are provided on one side of the base plate 21 and are embedded in the columns 201.
[0035] More specifically, please refer to Figure 3 and Figure 5 , a welding groove 111 is provided at the end of the first connecting plate 11. The welding groove 111 arcs inward from the end of the first connecting plate 11 to the first welding plate 12 and the second welding plate 13. An arc-shaped welding portion 121 is provided at the end of the first welding plate 12, and an arc-shaped welding portion 131 is provided at the end of the second welding plate 13.
[0036] More specifically, please refer to Figure 3 , the first connecting plate 11 is provided with a first through hole 15 and multiple bolts 4. The multiple bolts 4 are arranged in an array with the first through hole 15 as the center to avoid stress concentration. The bolts 4 can effectively increase the biting force between the first connecting member and the concrete. The function of the first through hole 15 is to connect the two sides of the first connecting plate 11 during concrete pouring.
[0037] In another implementation manner of this embodiment, please refer to Figure 6a , Figure 6b and Figure 7, in this embodiment, the cross beam 202 is taken as an example for illustration. A fixing member 26 is provided on the substrate 21. One or more steel bar holes 261 are formed in the fixing member 26. The steel bar 24 passes through the steel bar holes 261. The fixing member 26, the steel bar 24 and the substrate 21 are simultaneously embedded in the cross beam 202 of the elevator hoistway 200. Preferably, a second through hole 262 is formed in the fixing member 26. A plurality of steel bar holes 261 are formed in the fixing member 26. The plurality of steel bar holes 261 are arranged in an array centered on the second through hole 262.
[0038] More specifically, the fixing member 26 is in an I shape. The middle part of the fixing member 26 is a fixing plate. The second through hole 262 and the steel bar holes 261 are formed in the fixing plate. The function of the second through hole 262 is to communicate during concrete pouring. The steel bar holes 261 are for inserting steel bars to make up for the insufficient anchorage length of the fixing member 26.
[0039] For the embedded parts of the connection nodes between the beam-column and the elevator hoistway in the present utility model, they are embedded at the required positions during factory prefabrication. For the prefabrication of the end joint of the precast beam 100, the first connection holes 14, the first through holes 15 and the bolt holes for fixing the bolts 4 are formed on the first connecting member 1; the first connecting member 1 is placed at the beam end position, the first connecting member 1 is welded to the longitudinal bars of the beam, the stirrups are tied according to the normal process, and the stirrups at the beam end part are densified. After pouring concrete, the precast concrete beam is formed.
[0040] For the prefabrication of the joint between the column 201 of the elevator hoistway 200 and the precast beam 100, the substrate 21 is firmly welded to the second connecting plate 22 and the substrate 21 is firmly welded to the support plate 23. Two oblong second connection holes 25 are formed in the second connecting plate 22, which is convenient for compensating the deviation of bolt installation during hoisting; the support plate 23 plays a role in positioning and supporting the precast beam 100, which is convenient for butt joint installation. The substrate 21 is firmly welded to the steel bar 24. After the whole is poured with concrete, the column 201 of the precast elevator hoistway 200 is formed.
[0041] During on-site hoisting, the precast beam 100 is hoisted and placed on the support plate 21. The first connection hole 14 and the second connection hole 25 for bolt 3 connection are butt-jointed, the fixing screws 3 are inserted and tightened, and the first welding plate 12 and the second welding plate 13 are respectively welded and fixed to the substrate 21 by using the welding process.
[0042] In another implementation manner of this embodiment. Four circular second connection holes 25 are formed in the second connecting plate 22. Since the bending moment at the beam end of the cantilever beam is large, circular holes are adopted to reduce the stress deformation of the beam.
[0043] In another implementation of this embodiment, there is a connection structure between the precast beam 100 and the cross beam 202 of the elevator shaft 200. The connection nodes of the cross beam 202 are prefabricated. The H-shaped fixing member 26 is provided with a steel bar hole 261 and a second through hole 262. The base plate 21 is firmly welded to the fixing member 26, the base plate 21 is firmly welded to the second connecting plate 22, and the base plate 21 is firmly welded to the support plate 23. Two oblong second connecting holes 25 are provided on the second connecting plate 22 to facilitate deviation compensation during bolt connection during hoisting. Two steel bars 24 are passed through the steel bar holes 261, and the steel bars 24 and the fixing member 26 are welded. After the concrete is integrally poured, the cross beam 202 of the precast elevator shaft 200 is formed. During on-site hoisting, the precast beam 100 is hoisted and placed on the support plate 23 of the cross beam 202. The first connecting hole 14 and the second connecting hole 25 are aligned, the fixing screws 3 are inserted and tightened, and the first welding plate 12 and the second welding plate 13 are respectively welded and fixed to the base plate 21 by using the welding process, thus completing the connection of the node.
[0044] The technical features of the above-described embodiments can be combined arbitrarily. For the sake of concise description, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, it should be considered as the scope described in this specification.
[0045] The above-described embodiments only represent several implementation manners of the present invention. The description is relatively specific and detailed, but it should not be construed as a limitation on the scope of the utility model patent. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present invention, several modifications and improvements can still be made, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the utility model patent shall be subject to the appended claims.
Claims
1. A beam column and elevator shaft connection structure, characterized in that: include: At least one prefabricated beam and an elevator shaft, a first connecting member is embedded in one end of the prefabricated beam, the first connecting member is I-shaped, the first connecting member includes a first connecting plate, a first welding plate arranged above the first connecting plate and a second welding plate arranged below the first connecting plate, and at least one first connecting hole is provided on the first connecting plate; a second connecting member is provided on the elevator shaft, the second connecting member includes a base plate, a second connecting plate, a support plate and at least one steel bar, the steel bar is provided on one side of the base plate, the support plate and the second connecting plate are provided on the other side of the base plate, the base plate and the steel bar are embedded in the elevator shaft, the second connecting plate and the support plate extend out of the elevator shaft, the support plate is arranged below the second connecting plate, and at least one second connecting hole is provided on the second connecting plate; when the prefabricated beam is connected to the elevator shaft, the second welding plate is positioned against the support plate, and the first connecting hole corresponds to the second connecting hole after the first connecting plate and the second connecting plate are fitted, and the first welding plate and the second welding plate are respectively welded and fixed to the base plate by fixing screws passing through the first connecting hole and the second connecting hole.
2. The beam-column and elevator shaft connection structure according to claim 1, characterized in that: The elevator shaft includes columns and beams, the second connecting member is arranged on the columns and / or the beams, and the second connecting member includes a plurality of steel bars, which are arranged on one side of the base plate and pre-buried in the columns and / or the beams.
3. The beam-column-to-elevator shaft connection structure according to claim 1, characterized in that: The second connecting hole is a circular hole or an oblong hole.
4. The beam-column-to-elevator shaft connection structure according to claim 1, characterized in that: A welding groove is provided at the end of the first connecting plate, and the welding groove transitions in an arc shape inward from the end of the first connecting plate to the first welding plate and the second welding plate.
5. The beam-column-to-elevator shaft connection structure according to claim 1, characterized in that: The ends of the first welding plate and the second welding plate are provided with arc-shaped welding portions.
6. The beam-column-to-elevator shaft connection structure according to claim 1, characterized in that: The first connecting plate is provided with a first through hole and a plurality of bolts, and the plurality of bolts are arranged in an array with the first through hole as the center.
7. The beam-column-to-elevator shaft connection structure according to claim 1, characterized in that: The base plate is provided with a fixing piece, the fixing piece is provided with at least one steel bar hole, the steel bar passes through the steel bar hole, and the fixing piece, the steel bar and the base plate are simultaneously pre-buried in the elevator shaft.
8. The beam-column-to-elevator shaft connection structure according to claim 7, characterized in that: The fixing member is provided with a second through hole, and the fixing member is provided with a plurality of the steel bar holes, which are arranged in an array with the second through hole as the center.
9. The beam-column-to-elevator shaft connection structure according to claim 8, characterized in that: The fixing piece is in an I-shape, the middle part of the fixing piece is a fixing plate, and the second through hole and the steel bar hole are arranged on the fixing plate.