Anti-seismic self-resetting device for masonry structure

Abstract

The utility model discloses an anti-seismic self-resetting device for a masonry structure, which comprises a steel strand, a steel enclosure support component, a steel strand anchorage device, a steel strand steering block, a first connecting plate and a second connecting plate, and the steel enclosure support component comprises a first steel enclosure support, a second steel enclosure support, a third steel enclosure support and a fourth steel enclosure support. The first steel encircling sleeve support is arranged on the vertical beams at the two ends of the cross beam in a sleeving mode, the second steel encircling sleeve support, the third steel encircling sleeve support and the fourth steel encircling sleeve support are arranged on the cross beam in a sleeving mode, and the two ends of the steel strand penetrate through the steel strand steering blocks and then are installed on the steel strand anchorage devices. The steel encircling support assembly reinforces the beam column, and the two ends of the steel strand are combined with the steel encircling support assembly, the first connecting plate and the second connecting plate to form a self-resetting triangular structure, so that the beam column enables the node to have self-resetting and energy-dissipating capacity in the deformation process of an earthquake, and therefore the deformation rigidity and ductility are improved; and an active anti-seismic function is endowed.

Description

Technical Field

[0001] The utility model relates to an anti-seismic self-resetting device for a masonry structure. Background Art

[0002] The beam-column joint is very important for the entire building structure, so the seismic performance of the beam-column joint needs to be strengthened. In the prior art, the beam-column joint is generally strengthened directly by increasing the amount of concrete at the beam-column joint. However, this method requires formwork and wet concrete work, which is complicated to operate and has low work efficiency.

[0003] Therefore, a seismic self-resetting device for masonry structures with a simple structure and easy installation is urgently needed. Utility Model Content

[0004] In order to solve the defects in the prior art, the utility model provides a seismic self-resetting device for a masonry structure.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0006] The utility model provides an anti-seismic self-resetting device for a masonry structure, comprising a steel strand, a steel sleeve support assembly, a steel strand anchor, a steel strand turning block, a first connecting plate and a second connecting plate, wherein the steel sleeve support assembly comprises two first steel sleeve supports, a second steel sleeve support, a third steel sleeve support and a fourth steel sleeve support, wherein the two first steel sleeve supports are respectively sleeved on the vertical beams at both ends of the crossbeam, the second steel sleeve support and the third steel sleeve support are sleeved on the crossbeam at intervals, and the fourth steel sleeve support is sleeved on the crossbeam on which the second steel sleeve support and the third steel sleeve support are not installed, and the steel strand anchor is installed on the two first steel sleeve supports. The steel strand turning block is installed on the second steel sleeve support and the third steel sleeve support, and both ends of the steel strand are installed on the steel strand anchor after passing through the steel strand turning block. One end of the first connecting plate is connected to the second steel sleeve support, and the other end of the first connecting plate is connected to the fourth steel sleeve support, or is connected to the third steel sleeve support adjacent to the second steel sleeve support and not in the same group of steel sleeve support components; one end of the second connecting plate is connected to the third steel sleeve support, and the other end of the second connecting plate is connected to the fourth steel sleeve support, or is connected to the second steel sleeve support adjacent to the third steel sleeve support and not in the same group of steel sleeve support components.

[0007] Preferably, the first steel sleeve support, the second steel sleeve support, the third steel sleeve support and the fourth steel sleeve support are U-shaped structures.

[0008] Preferably, the steel strand steering block includes a first steering part and a second steering part, the first steering part is provided with a first steering channel, the second steering part is provided with a second steering channel, the first steering channel and the second steering channel are connected, the first steering channel is arranged opposite to the steel strand anchor, and the axial direction of the second steering channel is consistent with the length direction of the crossbeam.

[0009] Preferably, the steel strand anchor is a triangular prism structure, and a steel strand mounting hole is provided on the steel strand anchor. The steel strand mounting hole passes through two side surfaces of the triangular prism structure and its axial direction is parallel to the remaining side surface of the triangular prism structure. The steel strand mounting hole and the axis of the first steering channel are on the same straight line.

[0010] Preferably, vertical plates are provided on the side surfaces of the first connecting plate, the second connecting plate, the second steel sleeve support, the third steel sleeve support and the fourth steel sleeve support, and adjacent vertical plates are fixed by fastening bolts.

[0011] Preferably, a fifth steel sleeve support is further provided, wherein the fifth steel sleeve support is sleeved on the crossbeam and located between the second steel sleeve support and the third steel sleeve support of the same group of steel sleeve support assemblies, and a steel strand guide block is further provided on the fifth steel sleeve support, and a steel strand guide channel is provided on the steel strand guide block.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] The steel sleeve support assembly in the utility model reinforces the beam and column, and the two ends of the steel strand are combined with the steel sleeve support assembly, the first connecting plate and the second connecting plate to form a self-resetting triangular structure, so that the beam and column enable the node to have the ability of self-resetting and energy dissipation during deformation during an earthquake, thereby improving the deformation stiffness and ductility, giving it a good active seismic resistance function, and the structure is simple, the construction is convenient and fast, and the work efficiency is greatly improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of a seismic self-resetting device for a masonry structure of the utility model;

[0015] Figure 2 This utility model Figure 1 The enlarged schematic diagram of the middle A part;

[0016] Figure 3 This utility model Figure 1 The enlarged schematic diagram of the middle part B;

[0017] Figure 4 This utility model Figure 1 Schematic diagram of the structure of the middle steel strand turning block. DETAILED DESCRIPTION

[0018] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0019] In the description of the present invention, it should be understood that the terms "left" and "right" indicate directions or positional relationships based on the drawings in the specification. Figure 1 The orientation or positional relationship shown is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0020] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected or indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0021] like Figures 1 to 4As shown, this embodiment provides a seismic self-resetting device for a masonry structure, comprising a steel strand 1, a steel sleeve support assembly 2, a steel strand anchor 3, a steel strand turning block 4, a first connecting plate 5 and a second connecting plate 6. Each set of steel sleeve support assemblies 2 comprises two first steel sleeve supports 21, a second steel sleeve support 22, a third steel sleeve support 23 and a fourth steel sleeve support 24, and the first steel sleeve support 21, the second steel sleeve support 22, the third steel sleeve support 23 and the fourth steel sleeve support 24 are of a square structure. The two first steel sleeve supports 21 are respectively sleeved on the vertical beams at both ends of the crossbeam, the second steel sleeve supports 22 and the third steel sleeve supports 23 are sleeved on the crossbeam at intervals, the fourth steel sleeve support 24 is sleeved on the crossbeam without the second steel sleeve supports 22 and the third steel sleeve supports 23, the steel strand anchor 3 is installed on the two first steel sleeve supports 21, the steel strand turning block 4 is installed on the second steel sleeve supports 22 and the third steel sleeve supports 23, and the two ends of the steel strand 1 are installed on the steel strand anchor 3 after passing through the steel strand turning block 4. One end of the first connecting plate 5 is connected to the second steel sleeve support 22, and the other end of the first connecting plate 5 is connected to the fourth steel sleeve support 24, so that the first steel sleeve support, the second steel sleeve support, the fourth steel sleeve support, the first connecting plate, and the steel strand form a triangular structure. One end of the second connecting plate 6 is connected to the third steel sleeve support 23, and the other end of the second connecting plate 6 is connected to the second steel sleeve support 22 which is adjacent to the third steel sleeve support 23 and is not in the same group of steel sleeve support components, so that the first steel sleeve support, the second steel sleeve support, the third steel sleeve, the second connecting plate, and the steel strand form a triangular structure.

[0022] like Figure 4 As shown, the steel strand steering block 4 includes a first steering portion 41 and a second steering portion 42, the first steering portion 41 is provided with a first steering channel, the second steering portion 42 is provided with a second steering channel, the first steering channel and the second steering channel are connected, the first steering channel is arranged opposite to the steel strand anchor, and the axial direction of the second steering channel is consistent with the length direction of the beam.

[0023] Specifically, the steel strand anchor 3 is a triangular prism structure, and a steel strand mounting hole is provided on the steel strand anchor 3. The steel strand mounting hole passes through two side surfaces of the triangular prism structure and its axial direction is parallel to the remaining side surface of the triangular prism structure. The steel strand mounting hole and the axis of the first turning channel are on the same straight line.

[0024] Specifically, vertical plates are provided on the side surfaces of the first connecting plate 5, the second connecting plate 6, the second steel sleeve support 22, the third steel sleeve support 23, and the fourth steel sleeve support 24, and adjacent vertical plates are fixed by fastening bolts.

[0025] As a preferred embodiment, the rest is the same as the previous embodiment, except that this embodiment is further provided with a fifth steel sleeve support 25, the fifth steel sleeve support 25 is sleeved on the crossbeam and located between the second steel sleeve support 22 and the third steel sleeve support 23 of the same group of steel sleeve support assemblies, the fifth steel sleeve support 25 is also provided with a steel strand guide block, and the steel strand guide block is provided with a steel strand guide channel.

[0026] The working principle of this embodiment is further described below: the strand anchor, strand turning block and vertical plate are adjusted in direction according to the design requirements, and are respectively welded in advance to the first steel sleeve support, the second steel sleeve support, the third steel sleeve support, the fourth steel sleeve support, the first connecting plate and the second connecting plate. Then, the two first steel sleeve supports are sleeved on the columns, and the second steel sleeve supports, the third steel sleeve supports, the fourth steel sleeve supports and the fifth steel sleeve supports are sleeved on the beams.

[0027] The steel strand is passed through the steel strand turning block on the second steel sleeve support, the steel strand guide block on the fifth steel sleeve support, and the steel strand turning block on the third steel sleeve support, and after applying a predetermined prestress, both ends of the steel strand are fixed to the steel strand anchor on the first steel sleeve support.

[0028] In this embodiment, the steel sleeve support assembly reinforces the beam and column, and the two ends of the steel strand are combined with the steel sleeve support assembly, the first connecting plate and the second connecting plate to form a self-resetting triangular structure, so that the beam and column enable the node to have self-resetting and energy-absorbing capabilities during deformation during an earthquake, thereby improving deformation stiffness and ductility, giving it good active seismic resistance. In addition, the structure is simple, the construction is convenient and fast, and work efficiency is greatly improved.

[0029] This embodiment can be applied to the technical fields of renovation, reinforcement and new construction of building structures. The technical route is reasonable and the measures are practical, especially for protecting buildings, important buildings and lifeline projects, which has important practical significance and application value.

[0030] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A seismic self-resetting device for a masonry structure, characterized in that: The invention comprises a steel strand (1), a steel sleeve support assembly (2), a steel strand anchor (3), a steel strand turning block (4), a first connecting plate (5) and a second connecting plate (6), wherein the steel sleeve support assembly (2) comprises two first steel sleeve supports (21), a second steel sleeve support (22), a third steel sleeve support (23) and a fourth steel sleeve support (24), wherein the two first steel sleeve supports (21) are respectively sleeved on the vertical beams at both ends of the crossbeam, the second steel sleeve support (22) and the third steel sleeve support (23) are sleeved on the crossbeam at intervals, and the fourth steel sleeve support (24) is sleeved on the crossbeam on which the second steel sleeve support (22) and the third steel sleeve support (23) are not installed, the steel strand anchor (3) is installed on the two first steel sleeve supports (21), and the steel strand turning block ( 4) is installed on the second steel sleeve support (22) and the third steel sleeve support (23), the two ends of the steel strand (1) are installed on the steel strand anchor (3) after passing through the steel strand turning block (4), one end of the first connecting plate (5) is connected to the second steel sleeve support (22), the other end of the first connecting plate (5) is connected to the fourth steel sleeve support (24), or is connected to the third steel sleeve support (23) adjacent to the second steel sleeve support (22) and not in the same group of steel sleeve support components; one end of the second connecting plate (6) is connected to the third steel sleeve support (23), the other end of the second connecting plate (6) is connected to the fourth steel sleeve support (24), or is connected to the second steel sleeve support (22) adjacent to the third steel sleeve support (23) and not in the same group of steel sleeve support components.

2. The seismic self-resetting device for masonry structure according to claim 1, characterized in that: The first steel sleeve support (21), the second steel sleeve support (22), the third steel sleeve support (23) and the fourth steel sleeve support (24) are of a U-shaped structure.

3. The seismic self-resetting device for masonry structure according to claim 1, characterized in that: The steel strand steering block (4) comprises a first steering portion (41) and a second steering portion (42), the first steering portion (41) being provided with a first steering channel, the second steering portion (42) being provided with a second steering channel, the first steering channel and the second steering channel being connected, the first steering channel being arranged opposite to the steel strand anchor, and the axial direction of the second steering channel being consistent with the length direction of the crossbeam.

4. The seismic self-resetting device for masonry structure according to claim 3, characterized in that: The steel strand anchor (3) is a triangular prism structure, and is provided with a steel strand mounting hole. The steel strand mounting hole passes through two side surfaces of the triangular prism structure and its axial direction is parallel to the remaining side surface of the triangular prism structure. The steel strand mounting hole and the axis of the first steering channel are on the same straight line.

5. The seismic self-resetting device for masonry structure according to claim 1, characterized in that: Vertical plates are provided on the side surfaces of the first connecting plate (5), the second connecting plate (6), the second steel sleeve support (22), the third steel sleeve support (23), and the fourth steel sleeve support (24), and adjacent vertical plates are fixed by fastening bolts.

6. The seismic self-resetting device for masonry structure according to claim 1, characterized in that: A fifth steel sleeve support (25) is also provided. The fifth steel sleeve support (25) is sleeved on the crossbeam and is located between the second steel sleeve support (22) and the third steel sleeve support (23) of the same group of steel sleeve support assemblies. A steel strand guide block is also provided on the fifth steel sleeve support (25). A steel strand guide channel is provided on the steel strand guide block.

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