A structural design for connecting steel beams and masonry in a building for adding elevators.

Abstract

A connection structure for adding an elevator steel beam to masonry in a building relates to the field of building component technology. This structure improves the connection strength between the steel beam and the masonry by modifying the structure and connection points of the existing elevator steel beam, and facilitates better fixing or installation of the steel beam on the masonry. It includes masonry and an elevator steel beam, with an installation through hole in the masonry. The end of the elevator steel beam closest to the masonry is the connection end, which mates with the installation through hole. A first pad is provided on the side of the masonry away from the elevator steel beam; a fastener is provided on the first pad; the fastener passes through the first pad and mates with the connection end.

Description

Technical Field

[0001] This utility model relates to the field of building component technology, specifically to a connection node structure between a steel beam for adding an elevator to a building and the masonry. Background Technology

[0002] To adapt to economic and social development, improve the functionality of existing residential buildings, promote the aging-friendly renovation of existing residential buildings, and enhance livability, the installation of elevators in existing buildings has become a mainstream trend. During the construction of elevator installation in existing buildings, the connection between steel beams and masonry walls is usually achieved by using through bolts with gusset plates, where through bolts pass through the masonry and are fixed with gusset plates and nuts.

[0003] In the actual construction process, four drillings are required, that is, drilling at the four top corners of the side of the steel beam that contacts the masonry. However, due to the small hole diameter and the thick masonry, the holes are prone to tilting when drilling, which can lead to the bolts not being tightened properly. In addition, since there are many steel beams and many bolt holes, it is easy to miss some.

[0004] Meanwhile, due to the large number of holes drilled on-site and the difficulty in positioning them, and the requirement that all four holes be aligned with the existing bolts, the actual construction process often involves welding the pads directly to the steel beams for ease of operation. The pads are then secured with expansion bolts and four chemical anchors, but this method does not meet the required strength. Utility Model Content

[0005] I. Technical problems to be solved

[0006] This utility model addresses the shortcomings of existing technologies by proposing a connection node structure between elevator steel beams and masonry in buildings. By improving the structure and connection points of existing elevator steel beams, the connection strength between the steel beams and masonry is enhanced, and the steel beams are easier to fix or install on the masonry.

[0007] II. Specific Technical Solutions

[0008] A connection structure for adding an elevator steel beam to masonry in a building includes masonry and an elevator steel beam. The masonry has an installation through hole. The end of the elevator steel beam near the masonry is a connection end. The connection end mates with the installation through hole. A first pad is provided on the side of the masonry away from the elevator steel beam. Fasteners are provided on the first pad. The fasteners pass through the first pad and mate with the connection end.

[0009] Implementation principle and working principle:

[0010] In this solution, the elevator steel beam is installed into the mounting through hole through the connecting end. The installation of the elevator steel beam is facilitated by the cooperation with the mounting through hole. The first pad plate on the other side of the masonry and the fasteners on it can be directly connected to the connecting end to complete the fastening of the elevator steel beam. Compared with the existing technology that uses multiple through bolts for fastening, the load-bearing strength is better and the fastening connection is more convenient.

[0011] Preferably, the mounting through hole is a round hole; the cross-section of the connecting end is circular; the advantage of this preferred option is that the mounting through hole is a round hole, which can be easily and simply drilled by a drill bit.

[0012] Preferably, the end face of the connecting end is provided with a threaded hole; the fastener is a fastening bolt; the fastening bolt cooperates with the threaded hole; the advantage of this preferred embodiment is that by using a fastening bolt as a fastener, it can provide lateral tension to the elevator steel beam through cooperation with the pad, and thus complete the fastening of the elevator steel beam through a threaded connection, which is simple and convenient.

[0013] Preferably, the connecting end is a circular tube, and a sealing plate is provided on the end face of the circular tube, and the threaded hole is opened on the sealing plate; the beneficial effect of this preferred option is that the connecting end is a hollow circular tube, which makes it easier to achieve the weight reduction of the connecting end, and the strength can be guaranteed through the thickness design.

[0014] Preferably, a grouting hole is provided at the upper end of the first pad; the grouting hole is used for grouting and tightening the gap between the connecting end and the mounting through hole; the beneficial effect of this preferred option is that by filling the gap of the connecting end through the grouting hole, the support effect of the connecting end is further ensured, the force is guaranteed, and sealing the connecting end can also play a good role in preventing rust.

[0015] Preferably, a second pad is provided on the side where the elevator steel beam connects to the masonry; the connecting end is fixedly connected to the second pad; the beneficial effect of this preferred embodiment is that the second pad facilitates the installation and positioning of the connecting end, and can also cooperate with the masonry to form lateral support.

[0016] Preferably, a plurality of bracket supports are provided on the second pad; the bracket supports are provided with a plurality of mounting holes, and connecting bolts are provided in the mounting holes; the elevator steel beam is provided with mating holes corresponding to the mounting holes; the elevator steel beam is fixedly connected to each bracket support by connecting bolts; the beneficial effect of this preferred embodiment is that by using bracket supports to install and fix the elevator steel beam, during installation, the bracket supports and connecting ends can be installed first, and then the elevator steel beam can be connected to the bracket supports, which is more convenient in terms of transportation and installation.

[0017] Preferably, there are two corbel supports, symmetrically arranged on both sides of the elevator steel beam in the horizontal direction. The advantage of this preferred option is that the corbel supports are installed on both sides of the elevator steel beam, which can ensure the connection strength while better ensuring that the number of corbel supports is less and the cost is lower.

[0018] The beneficial effects of this utility model are as follows:

[0019] 1. In this solution, the elevator steel beam is directly installed into the installation through hole through the connection end and is tightened by lateral tension and compression. Compared with the existing technology of using through-wall bolts to tighten the elevator steel beam, this solution has better strength, less tightening work, and is more convenient.

[0020] 2. The installation through hole is a round hole, which is simpler and more convenient to open; with the cooperation of the first pad and the grouting hole on it, the installation through hole can be filled better, the contact surface with the connection end is larger, and the support effect is better. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the connection between elevator steel beams and masonry in the prior art.

[0022] Figure 2 This is a cross-sectional view of the connection node structure between the elevator steel beam and the masonry in an embodiment of this utility model.

[0023] Figure 3 This is a schematic diagram of the connection between the connecting end and the second pad in an embodiment of the present invention.

[0024] Figure 4 This is a side view of the connection node structure between the elevator steel beam and the masonry in an embodiment of this utility model.

[0025] Explanation of reference numerals in the attached figures:

[0026] Masonry 1, Installation through hole 101, Elevator steel beam 2, Connection end 201, First pad 202, Fastener 203, Threaded hole 204, Sealing plate 205, Grouting hole 206, Second pad 207, Corbel support 208, Connecting bolt 209. Detailed Implementation

[0027] The preferred embodiments of this utility model will now be described in detail with reference to the accompanying drawings, so that the advantages and features of this utility model can be more easily understood by those skilled in the art, thereby providing a clearer and more definite definition of the scope of protection of this utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without inventive effort are within the scope of protection of this utility model.

[0028] like Figure 1-4 As shown:

[0029] A structural joint for connecting an elevator steel beam to masonry in a building includes masonry 1 and an elevator steel beam 2. The masonry 1 has an installation through-hole 101, which is a circular hole with a diameter of 100mm, making the hole relatively easy to drill. Figure 2 The left end of the elevator steel beam 2 is the connecting end 201, which mates with the mounting through hole 101. That is, the cross-section of the connecting end 201 is circular. On the side of the masonry 1 away from the elevator steel beam 2, a first pad 202 with a thickness of 14mm is provided on the left side. A fastener 203 is provided on the first pad 202. The fastener 203 passes through the first pad 202 and mates with the connecting end 201. Through the tension and compression of the fastener 203 and the connecting end 201, the first pad 202 and the connecting end 201 can be well fastened.

[0030] In specific implementation, such as Figure 2 and Figure 3 The left end of the connecting end is provided with a threaded hole 204; the fastener 203 is a fastening bolt, and the fastening bolt is an M22 high-strength bolt; the fastening bolt is matched with the threaded hole 204; wherein, by using the fastening bolt as the fastener 203, through its cooperation with the first pad 202, it can provide lateral tension for the elevator steel beam 2, and then fasten the elevator steel beam 2 in the mounting through hole 101 through the threaded connection, which is simple and convenient.

[0031] In implementation, the connecting end 201 is a circular tube, and a sealing plate 205 is integrally formed on the end face of the circular tube, with the threaded hole 204 opened on the sealing plate 205; wherein, the connecting end 201 is a hollow circular tube, which makes it easier to achieve the weight reduction of the connecting end 201, and the hollow circular tube can ensure strength through thickness design. In this embodiment, the outer diameter of the hollow circular tube is 95mm and the thickness is 5-6mm. The setting of these parameters effectively ensures the strength of the hollow circular tube.

[0032] During implementation, a grouting hole 206 is provided at the upper end of the first pad 202. The grouting hole 206 is specifically set at the corresponding position at the top of the installation through hole 101, so as to facilitate grouting into the gap of the installation through hole 101 through the connecting end 201. Specifically, concrete grout is injected. The grouting hole 206 fills the gap between the connecting end 201 and the installation through hole 101, which effectively ensures the support effect of the connecting end 201, ensures that the force on the connecting end 201 is more uniform, and the sealing of the connecting end 201 can also play a good role in rust prevention.

[0033] In specific implementation, such as Figure 3A second pad 207 (10mm thick) is provided on the side where the elevator steel beam 2 connects to the masonry 1; wherein, the right side of the connecting end 201 is connected to the second pad 207 by welding or integral molding; the setting of the second pad 207 facilitates the installation and positioning of the connecting end 201, and can also better form a tension and compression fit with the masonry 1 through the second pad and fasteners, making the lateral support more stable.

[0034] When implementing, such as Figure 4 To ensure a more stable connection between the second pad 207 and the elevator steel beam 2, several bracket supports 208 are integrally formed or welded onto the second pad 207. Each bracket support 208 has several mounting holes, and the elevator steel beam 2 has corresponding mating holes. Connecting bolts 209 pass through the mounting holes and mating holes to securely connect the bracket supports 208 and the elevator steel beam 2. Specifically, there are two bracket supports 208, symmetrically arranged on both sides of the elevator steel beam 2 in the horizontal direction, i.e., the left and right sides. The advantage of this arrangement is that the connecting end 2, the second pad 207, and the bracket supports 208 form the mounting end of the elevator steel beam 2. When installing the elevator steel beam, this mounting end can be first fixed in the masonry 1, and then the elevator steel beam 2 and the bracket supports 208 can be secured with connecting bolts 209. This structure facilitates both transportation and installation.

[0035] Implementation principle:

[0036] Compared with existing technologies, this solution addresses the following: Figure 1 The previous method required multiple through bolts for fastening, and all the shear force was borne by the through bolts. The through bolt holes were also small, and tilting was easy to occur during drilling, making it difficult to guarantee stability. The present solution is significantly different in that the connecting end 2, the second pad 207 and the bracket support 208 are welded or integrally formed into the installation end. In actual installation, the installation end is inserted into the installation through hole 101 on the masonry 1. Then, the first pad 202 is placed on the other side, and the fastener 203 (fastening bolt) is threaded through the first pad 202 and threaded into the threaded hole 204 on the sealing plate 205 to complete the fastening of the installation end. Then, the elevator steel beam 2 is fastened to the bracket support 208 by the connecting bolt 209.

[0037] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims.

Claims

1. A building added elevator steel beam and masonry connecting joint structure, comprising a masonry (1) and an elevator steel beam (2), characterized in that: The masonry (1) has an installation through hole (101); the end of the elevator steel beam (2) near the masonry (1) is a connecting end (201); the connecting end (201) cooperates with the installation through hole (101); a first pad (202) is provided on the side of the masonry (1) away from the elevator steel beam (2); a fastener (203) is provided on the first pad (202); the fastener (203) passes through the first pad (202) and cooperates with the connecting end (201).

2. The building retrofit elevator steel beam and masonry connection node structure according to claim 1, characterized in that: The mounting through hole (101) is a round hole; the cross-section of the connecting end (201) is circular.

3. The building retrofit elevator steel beam and masonry connection joint structure according to claim 2, characterized in that: The end face of the connecting end (201) is provided with a threaded hole (204); the fastener (203) is a fastening bolt; the fastening bolt is engaged with the threaded hole (204).

4. The building retrofit elevator steel beam and masonry connection joint structure according to claim 3, characterized in that: The connecting end (201) is a circular tube, and a sealing plate (205) is provided on the end face of the circular tube. The threaded hole (204) is opened on the sealing plate (205).

5. The building retrofit elevator steel beam and masonry connection node structure of claim 1, wherein: A grouting hole (206) is provided at the upper end of the first pad (202); the grouting hole (206) is used to grout and tighten the gap between the connecting end (201) and the mounting through hole (101).

6. The building retrofit elevator steel beam and masonry connection node structure of claim 1, wherein: A second pad (207) is provided on the side where the elevator steel beam (2) is connected to the masonry (1); the connecting end (201) is fixedly connected to the second pad (207).

7. The building retrofit elevator steel beam and masonry connection joint structure according to claim 6, characterized in that: A plurality of bracket supports (208) are provided on the second pad (207); a plurality of mounting holes are provided on the bracket supports (208), and connecting bolts (209) are provided in the mounting holes. The elevator steel beam (2) is provided with mating holes corresponding to the mounting holes. The elevator steel beam (2) is fixedly connected to each bracket support (208) by connecting bolts (209).

8. The building retrofit elevator steel beam and masonry connection joint structure according to claim 7, characterized in that: There are two corbel supports (208), which are symmetrically arranged on both sides of the elevator steel beam (2) in the horizontal direction.

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