CN216142446U

CN216142446U - End anchoring part of building earthquake-resistant reinforcing column

Info

Publication number: CN216142446U
Application number: CN202121121242.8U
Authority: CN
Inventors: 赵丽; 黄健; 居猛
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-05-25
Filing date: 2021-05-25
Publication date: 2022-03-29
Anticipated expiration: 2031-05-25

Abstract

The utility model provides an end anchoring part of a building earthquake-resistant reinforcing column body, which is used for increasing the connection integrity of the end part position of a post-added supporting column and an original building structure, thereby improving the supporting effect and the shock resistance, comprises a through steel bar, an intermediate sleeve and a fixed sleeve, wherein the intermediate sleeve can be sleeved on the through steel bar, a plurality of strip-shaped grooves are arranged on the intermediate sleeve in a surrounding way, the edge part of the strip-shaped groove and the through reinforcing steel bar are welded and fixed, so that a plurality of strip-shaped welding parts can be obtained, the fixing sleeve is of a tubular structure, the inner diameter of the screw is equal to the outer diameter of the middle sleeve, the inner wall of the screw and the outer wall of the upper end and the lower end of the middle sleeve are provided with matched screw threads, the fixing sleeve can be rotationally fixed to the upper end part and the lower end part of the through steel bar, and the fixing sleeve at the upper end part and the lower end part can clamp the upper side and the lower side of the floor slab, so that the through steel bar is firmly fixed on the floor slab structure.

Description

End anchoring part of building earthquake-resistant reinforcing column

Technical Field

The utility model relates to the technical field of building reinforcement, in particular to an end anchoring piece of a building earthquake-resistant reinforcement cylinder.

Background

Earthquake is a serious natural disaster phenomenon, which is caused by mutual extrusion and collision among plates of the earth, particularly, earthquake zones among the plates in western regions and north China frequently occur, the design requirements of modern buildings are higher and higher, and earthquakes below 8 levels can be basically borne, but early buildings in China have insufficient earthquake-proof consciousness during construction design, cost factors and technical limitations are considered, the earthquake-proof grades of a plurality of buildings are lower, once earthquake with larger earthquake grade occurs in the later use process, serious casualties and property loss are caused, so that some old buildings need to be dismantled and rebuilt or reinforced, if the whole functions of the buildings are intact, the reinforcement treatment is a good and economic method, more commonly, support columns are added in the buildings so as to improve the support strength, but because the support column is that the later stage increases, it is not firm to be connected fixedly with original building floor etc. and it is far away not enough to only connect fixedly through anchor bolt etc. for the supporting effect is discounted greatly, so need design an end connection anchor assembly that is used for the later stage to consolidate the support column.

SUMMERY OF THE UTILITY MODEL

The utility model provides an end anchoring part of a building earthquake-resistant reinforcing column body, which is used for increasing the connection integrity of the end position of a post-added supporting column and an original building structure, thereby improving the supporting effect and the earthquake resistance. The utility model specifically comprises a through steel bar, an intermediate sleeve and a fixed sleeve, wherein each part is a metal member, the through steel bar is a long-strip steel bar which can be cut by a common steel bar according to a corresponding length, the intermediate sleeve is a long-strip tubular structure, but the length of the intermediate sleeve is obviously smaller than that of the through steel bar, an up-and-down through cavity is arranged in the intermediate sleeve, the inner diameter of the cavity is slightly larger than the outer diameter of the through steel bar, the intermediate sleeve can be sleeved on the through steel bar, a plurality of strip-shaped grooves are arranged on the intermediate sleeve in a surrounding manner, the central axes of the strip-shaped grooves and the intermediate sleeve are in a parallel state, the strip-shaped grooves are communicated with the inner part and the outer part of the intermediate sleeve, the upper end and the lower end of each strip-shaped groove respectively extend to the positions close to the upper end and the lower end of the intermediate sleeve, but the upper end and the lower end of each strip-shaped groove are not communicated with the upper end and the lower end of the intermediate sleeve, the effect that sets up the bar groove is that, embolias the middle part position back that link up the reinforcing bar with middle sleeve pipe, can carry out welded fastening between the border position of bar groove and link up the reinforcing bar to can obtain multichannel bar welding position, make middle sleeve pipe and link up and obtain abundant welded fastening between the reinforcing bar, the fixed sleeve pipe also is tubular structure, and its internal diameter equals middle sheathed tube external diameter, is provided with supporting screw line on its inner wall and the outer wall at middle sheathed tube upper and lower extreme position, then the fixed sleeve pipe can the upper and lower tip position of rotatory fixed link up the reinforcing bar.

The utility model is used for arranging on the floor structure part of a building, and is used for additionally arranging a support column at the part, when the construction is carried out, a hole is drilled at the corresponding position of the support column which is needed to be added at the floor part of the original building, the drilling can be carried out according to the arrangement position of the longitudinal steel bar inside the support column, then a middle sleeve is sleeved on the through steel bar and is welded and fixed, the length of the used middle sleeve is needed to be larger than the thickness of the floor, then the through steel bar is inserted into the hole on the floor one by one, the upper end and the lower end of the middle sleeve are respectively exposed outside the upper side part and the lower side part of the floor, then the upper end and the lower end of the middle sleeve are respectively fixed with a fixing sleeve in a rotating way, the fixing sleeve at the upper end and the lower end can form a clamping effect on the upper side and the lower side of the floor, so that the through steel bar is firmly fixed on the floor structure, and finally the inner steel bar of a column body can be bound at the upper part and the lower end of the through steel bar, and erecting a corresponding template and pouring to form the support column.

The utility model has the advantages that the internal steel bars of the post-added poured support columns can be directly connected with the original building floor slab through the utility model, the integral effect is improved, and post-added cylinder structures positioned above and below the floor slab can share the through steel bars, so that the stress of the cylinder structure above can be effectively and directly transmitted to the cylinder structure below, the bearing load on the original building floor slab is reduced, and the utility model has higher structural stability and improves the anti-seismic effect compared with the cylinder structure independently added at the upper and lower parts of the floor slab.

In addition, the through steel bars and the middle sleeve are originally in a separated state, so that the through steel bars can be directly selected from common steel bars on a construction site, the relative volume of the middle sleeve and the fixed sleeve is small, the size accuracy of processing is easier to control, the through steel bars can be selected according to the thickness of a corresponding floor slab, and the through steel bars have better adaptability.

As an improved embodiment, a rotary nut is arranged outside the fixed sleeve, so that the rotary fastening of the fixed sleeve can be controlled conveniently by a construction tool such as a wrench.

Specifically, the lower end face of the rotating nut is flush with the bottom end part of the fixing sleeve (relative to the fixing sleeve located at the upper position), and after the fixing sleeve is fastened, the lower end face of the rotating nut can be tightly attached to the surface part of the floor slab, so that the fastening contact area is increased, and the vertical clamping and fixing effects are improved.

As the improved embodiment, a plurality of protruding strips are arranged and fixed on the outer wall of the middle sleeve in a circle, certainly, the protruding strips need to avoid the positions of the strip-shaped grooves, and when the middle sleeve is inserted into or nailed into the hole in the floor slab, the protruding strips can also be extruded and embedded into the inner wall of the hole, so that the middle sleeve is prevented from rotating, and the fastening effect on the middle sleeve is improved.

As an improved embodiment, the utility model also comprises a pad disc, wherein a round hole is arranged at the central part of the pad disc, the inner diameter of the round hole is slightly larger than the outer diameter of the middle sleeve, and the pad disc can be sleeved on the middle sleeve and is used for being arranged between the rotating nut and the surface of the floor slab, so that the rotating nut is prevented from directly contacting with the rough floor surface during rotation, and the friction resistance is reduced.

As the improved embodiment, the border position of the round hole on the pad disc is provided with the fastening ring, is in the vertical relation between fastening ring and the pad disc, and the fastening ring is gradually increased from the end to the thickness of root end, and the fastening ring is used for inserting between the upper and lower tip position outer wall of middle sleeve pipe and the inner wall of floor hole, under the effect of the rotary extrusion force of swivel nut, can extrude the fastening ring completely and insert for the upper and lower tip position of middle sleeve pipe also directly firmly fixes with former floor structure.

Drawings

Fig. 1 is a perspective view of the present invention.

FIG. 2 is a schematic cross-sectional view of the utility model in an unassembled state of use.

FIG. 3 is a cross-sectional view of the assembled state of the present invention.

Detailed Description

The following detailed description of embodiments of the utility model refers to the accompanying drawings.

An end anchoring part of a building earthquake-resistant reinforcement cylinder comprises a through steel bar 1, an intermediate sleeve 2 and a fixed sleeve 3, wherein all parts are metal components, the through steel bar 1 is a long-strip-shaped steel bar which can be cut by a common steel bar according to corresponding length, the intermediate sleeve 2 is a long-strip-shaped tubular structure, but the length of the intermediate sleeve is obviously smaller than the outer diameter of the through steel bar 1, a cavity which is through up and down is arranged in the intermediate sleeve 2, the inner diameter of the cavity is slightly larger than the outer diameter of the through steel bar 1, the intermediate sleeve 2 can be sleeved on the through steel bar 1, a plurality of strip-shaped grooves 21 are arranged on the intermediate sleeve 2 in a surrounding manner, the strip-shaped grooves 21 and the central axis of the intermediate sleeve 2 are in a parallel state, the strip-shaped grooves 21 are communicated with the inner part and the outer part of the intermediate sleeve 2, and the upper end and the lower end of the strip-shaped grooves 21 respectively extend to the upper end part and the lower end part which are close to the upper end part and the lower end part of the intermediate sleeve 2, however, the upper and lower ends of the strip-shaped groove 21 do not penetrate the upper and lower end portions of the middle sleeve 2, the strip-shaped groove 2 is arranged to be capable of performing welding between the edge portion of the strip-shaped groove 21 and the through reinforcement 1 after the middle sleeve 2 is sleeved into the middle portion of the through reinforcement 1, so that a plurality of strip-shaped welding portions can be obtained, the middle sleeve 2 and the through reinforcement 1 are sufficiently welded and fixed, the fixing sleeve 3 is also of a tubular structure, the inner diameter of the fixing sleeve is equal to the outer diameter of the middle sleeve 2, and the outer wall of the inner wall of the fixing sleeve and the outer wall of the upper and lower end portions of the middle sleeve 2 are provided with matched screw threads, so that the fixing sleeve 3 can be rotatably fixed to the upper and lower end portions of the through reinforcement 1, as shown in the cross-sectional view of fig. 3.

The utility model is used for arranging at the position of a floor structure of a building, and is used for additionally arranging a support column at the position, when the construction is carried out, holes are drilled at the corresponding positions of the support columns which are needed to be added at the floor position of the original building, the holes can be drilled according to the arrangement positions of longitudinal steel bars inside the support columns, then a middle sleeve 2 is sleeved on a through steel bar 1 and is welded and fixed, the length of the used middle sleeve is needed to be larger than the thickness of the floor, then the through steel bars are inserted into the holes on the floor one by one, the upper end and the lower end of the middle sleeve 2 are respectively exposed outside the upper side part and the lower side part of the floor, as shown in a sectional view of figure 2, then the upper end and the lower end of the middle sleeve are respectively and rotatably fixed with a fixing sleeve 3, the fixing sleeve 3 at the upper end and the lower end can form a clamping effect on the upper side and the lower side of the floor, as shown in the sectional view of figure 3, so that the through steel bar 1 is firmly fixed on the floor structure, and finally, binding the internal steel bars of the pouring column body at the upper part and the lower part of the through steel bars, erecting corresponding templates, and pouring to form the support column.

The utility model has the advantages that the internal reinforcing steel bars of the post-added poured supporting columns can be directly connected with the original building floor slab through the utility model, the integral effect is improved, and post-added cylinder structures positioned above and below the floor slab can share the through reinforcing steel bars 1, so that the stress of the cylinder structure above can be effectively and directly transmitted to the cylinder structure below, the bearing load on the original building floor slab is reduced, and the utility model has higher structural stability and improves the anti-seismic effect compared with the cylinder structure independently added at the upper part and the lower part of the floor slab.

In addition, the through steel bar 1 and the middle sleeve 2 are originally in a separated state, so that the through steel bar 1 can be directly selected from common steel bars on a construction site, the relative volume of the middle sleeve 2 and the fixed sleeve 3 is small, the size accuracy of processing is easier to control, the through steel bar can be selected according to the corresponding thickness of a floor slab, and the through steel bar has better adaptability.

As a modified embodiment, a rotary nut 31 is provided on the outside of the fixing sleeve 3, as shown in fig. 1, so that the rotary fastening of the fixing sleeve 3 can be controlled by a wrench or other working tool.

Specifically, the lower end surface of the rotating nut 31 is flush with the bottom end portion of the fixing sleeve 3 (relative to the fixing sleeve 3 located at the upper position), and after the fixing sleeve 3 is fastened, the lower end surface of the rotating nut 31 is also tightly attached to the surface portion of the floor slab, as shown in the cross-sectional view of fig. 3, the fastening contact area is increased, and the effect of vertical clamping and fixing is improved.

As a modified example, a plurality of protruding strips 22 are arranged and fixed on the outer wall of the middle sleeve 2 in a circle, as shown in fig. 1, of course, the protruding strips 22 need to avoid the positions of the strip grooves 21, and when the middle sleeve 2 is inserted or nailed into the hole on the floor, the protruding strips 22 will also be pressed and embedded into the inner wall of the hole, thereby preventing the middle sleeve 2 from rotating and improving the fastening effect of the middle sleeve 2.

As an improved embodiment, the present invention further includes a pad 4, a circular hole 41 is formed in a central portion of the pad 4, as shown in a sectional view of fig. 2, an inner diameter of the circular hole 41 is slightly larger than an outer diameter of the middle sleeve 2, so that the pad 4 can be sleeved on the middle sleeve 2 for being disposed between the rotating nut 31 and a floor surface, as shown in a sectional view of fig. 3, so as to prevent the rotating nut 31 from directly contacting with a rough floor surface during rotation, and reduce frictional resistance.

As an improved embodiment, the edge portion of the circular hole 41 on the pad 4 is provided with a fastening ring 42, the fastening ring 42 and the pad 4 are in a perpendicular relationship, as shown in the sectional view of fig. 2, the thickness of the fastening ring 42 gradually increases from the tail end to the root end, the fastening ring 42 is used for being inserted between the outer walls of the upper and lower end portions of the middle sleeve 2 and the inner wall of the floor hole, the fastening ring 42 can be completely inserted by extrusion under the action of the rotary extrusion force of the rotary nut 31, as shown in the sectional view of fig. 3, so that the upper and lower end portions of the middle sleeve 2 are also directly and firmly fixed with the original floor structure.

The principle and the implementation mode are explained by applying specific examples in the specification, and the description of the above embodiments is only used for helping understanding the method and the core idea of the utility model; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the utility model.

Claims

1. The utility model provides an end anchor assembly of building antidetonation reinforcement cylinder which characterized in that: the steel bar penetrating device comprises a penetrating steel bar (1), an intermediate sleeve (2) and a fixed sleeve (3), wherein the penetrating steel bar (1) is an elongated steel bar, the intermediate sleeve (2) is of an elongated tubular structure, a cavity which penetrates through the intermediate sleeve (2) up and down is formed in the intermediate sleeve (2), the inner diameter of the cavity is slightly larger than the outer diameter of the penetrating steel bar (1), the intermediate sleeve (2) can be sleeved on the penetrating steel bar (1), a plurality of strip-shaped grooves (21) are arranged on the intermediate sleeve (2) in a surrounding manner, the central axes of the strip-shaped grooves (21) and the intermediate sleeve (2) are in a parallel state, the strip-shaped grooves (21) are communicated with the inner part and the outer part of the intermediate sleeve (2), the upper end and the lower end of each strip-shaped groove (21) respectively extend to the upper end part and the lower end part which are close to the intermediate sleeve (2), but the upper end and the lower end of each strip-shaped groove (21) are not communicated with the upper end part and the lower end part of the intermediate sleeve (2), the fixed sleeve (3) is also of a tubular structure, the inner diameter of the fixed sleeve is equal to the outer diameter of the middle sleeve (2), matched screw threads are arranged on the inner wall of the fixed sleeve and the outer wall of the upper end part and the lower end part of the middle sleeve (2), and the fixed sleeve (3) can be rotationally fixed to the upper end part and the lower end part of the through reinforcing steel bar (1).

2. An end anchor for a building seismic reinforcement column according to claim 1, wherein: and a rotating nut (31) is arranged outside the fixed sleeve (3).

3. An end anchor for a building seismic reinforcement column according to claim 2, wherein: the lower end face of the rotating nut (31) is flush with the bottom end part of the fixed sleeve (3).

4. An end anchor of a building seismic reinforcement column according to any of claims 1-3, wherein: a plurality of convex strips (22) are arranged and fixed on the outer wall of the middle sleeve (2) in a circle.

5. An end anchor of a building seismic reinforcement column according to any of claims 1-3, wherein: the middle sleeve pipe is characterized by further comprising a pad disc (4), a round hole (41) is formed in the center of the pad disc (4), the inner diameter of the round hole (41) is slightly larger than the outer diameter of the middle sleeve pipe (2), and the pad disc (4) can be sleeved on the middle sleeve pipe (2).

6. An end anchor for a building seismic reinforcement column according to claim 5, wherein: the edge part of the round hole (41) on the pad disc (4) is provided with a fastening ring (42), the fastening ring (42) and the pad disc (4) are in a vertical relation, and the thickness of the fastening ring (42) from the tail end to the root end is gradually increased.