CN218933612U - Vertical steel bar connection structure of prefabricated shear wall - Google Patents

Abstract

The utility model relates to the technical field of building structures, and discloses a vertical reinforcement connection structure of a prefabricated shear wall, which comprises a lower prefabricated shear wall, an upper prefabricated shear wall, a vertical reinforcement connection sleeve, an adjustable pad, a long Diagonal support and cast-in-place concrete floor, the cast-in-place concrete floor is arranged on the top side of the prefabricated shear wall of the lower floor, the adjustable pad is installed on the top of the cast-in-place concrete floor, and the adjustable pad The bottom of the shear wall is in contact with each other, and the outer wall of the top of the cast-in-situ concrete floor is fixedly connected with two first fixing seats, and the bottom end of the long oblique support is rotatably mounted on the first fixing seat on the right side. The utility model pours concrete within the height range of the adjustable cushion block at the bottom of the upper prefabricated shear wall, so that the lower prefabricated shear wall and the upper prefabricated shear wall form an integral and reliable connection structure, the construction quality is reliable, the connection integrity is good, and it does not affect Subsequent process interspersion and construction organization are more practical and suitable for widespread promotion and use.

Description

A vertical reinforcement connection structure of prefabricated shear walls

technical field

The utility model belongs to the technical field of building structures, in particular to a vertical reinforcement connection structure of a prefabricated shear wall.

Background technique

Assembled integral concrete shear wall structures are more and more widely used in engineering. Most of the vertical connections of prefabricated shear walls are connected by grouting sleeves. The construction technology affects its follow-up process interspersion and construction organization, which has a great impact on the construction quality and construction period.

In view of this, the utility model is proposed.

Utility model content

In order to solve the problems of the technologies described above, the basic idea of the technical solution adopted by the utility model is:

A vertical reinforcement connection structure of a prefabricated shear wall, comprising a lower prefabricated shear wall, an upper prefabricated shear wall, a vertical reinforcement connection sleeve, an adjustable spacer, a long diagonal support and a cast-in-place concrete floor, the The cast-in-place concrete floor is set on the top side of the lower prefabricated shear wall, the adjustable pad is installed on the top of the cast-in-place concrete floor, and the adjustable pad is in contact with the bottom of the upper prefabricated shear wall, and the cast-in-place There are two first fixed seats fixedly connected to the outer wall of the top of the concrete floor, the bottom end of the long oblique support is rotatably installed on the first fixed seat on the right side, and an adjustment groove is opened on one side of the upper prefabricated shear wall. The inner wall of the adjustment groove is slidably connected with a connecting block, one side of the connecting block is fixedly connected with a moving seat, and the top end of the long oblique support is rotatably mounted on the moving seat;

The top of the lower prefabricated shear wall is provided with reserved upwardly extending steel bars at the top of the prefabricated wall, and the vertical steel bar connecting sleeve is installed on the reserved upwardly extending steel bars at the top of the prefabricated wall.

As a preferred embodiment of the present utility model, the bottom of the upper prefabricated shear wall is provided with downwardly extending steel bars reserved at the bottom of the prefabricated wall, and upwardly extending steel bars are reserved at the top of the prefabricated wall to protrude from the cast-in-place concrete floor. The length is not less than the length of the vertical reinforcement connecting sleeve.

As a preferred embodiment of the present invention, the extension length of the downwardly extending steel bars reserved at the bottom of the prefabricated wall must meet the required length of the vertical steel bar connection sleeve connection.

As a preferred embodiment of the present invention, the upwardly extending steel bars reserved at the top of the prefabricated wall and the downwardly extending steel bars reserved at the bottom of the prefabricated wall are matched with the vertical steel bar connecting sleeves.

As a preferred embodiment of the present invention, a short oblique support is fixedly installed on the first fixed seat on the left side, and a second fixed seat is fixedly connected to one side of the upper prefabricated shear wall, and the short oblique support The top end is fixedly installed on the second fixing seat.

As a preferred embodiment of the present invention, symmetrically arranged threaded holes are opened on the moving seat, and positioning screws are screwed on the inner walls of the two threaded holes.

As a preferred embodiment of the present utility model, the inner wall of the adjusting groove is provided with positioning holes equidistantly distributed, and the distance between the two positioning screws is the same as the distance between the two adjacent positioning holes. Each of the positioning screws is compatible with the positioning holes.

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

In the utility model, the concrete floor of the lower floor is first poured to the structural elevation, and the vertical reinforcement connecting sleeve is screwed downward to the top of the prefabricated wall on the lower prefabricated shear wall, and the bottom of the upwardly extending steel bar is reserved, and the upper prefabricated shear wall is hoisted. , the prefabricated shear wall on the lower floor and the prefabricated shear wall on the upper floor on the opposite side make the upwardly extending steel bars reserved at the top of the precast wall and the downwardly extending steel bars at the bottom of the prefabricated wall meet the required conditions for reinforcement connection, and the upper layer The prefabricated shear wall is stably connected with the cast-in-place concrete floor through the first fixed seat, short oblique support and second fixed seat, and the long oblique Adjust the support angle of the support so that the top of the long oblique support can be fixed at an appropriate position on one side of the upper prefabricated shear wall according to the height of the upper prefabricated shear wall. After the adjustment of the angle of the long oblique support is completed, the two positioning screws Screwed in the two positioning holes to realize the positioning effect of the mobile seat, so that the function of the long oblique support and the short oblique support strengthens the stability of the connection between the cast-in-place concrete floor and the upper prefabricated shear wall, and then the vertical Screw the connecting sleeve upwards, so that the downwardly extending steel bars reserved at the bottom of the prefabricated wall at the bottom of the upper prefabricated shear wall and the upwardly extending steel bars reserved at the top of the prefabricated wall at the top of the lower prefabricated shear wall are formed through the vertical steel bar connecting sleeve Effective connection, pouring concrete within the height range of the adjustable pad at the bottom of the upper prefabricated shear wall, so that the lower prefabricated shear wall and the upper prefabricated shear wall form an integral and reliable connection structure, the construction quality is reliable, the connection integrity is good, and the construction The process is simple and does not affect the subsequent process interspersed and construction organization.

Below in conjunction with accompanying drawing, the specific embodiment of the present utility model is described in further detail.

Description of drawings

In the attached picture:

Fig. 1 is a schematic diagram of the structure of the upper prefabricated shear wall of the present invention, which is accurately placed by adjusting the cushion block and the oblique support, and forms a stable connection with the cast-in-place concrete floor;

Fig. 2 is a schematic diagram of the structure of the utility model where the vertical reinforcing bar connecting sleeve is screwed upwards so that the upper and lower vertical reinforcing bars are effectively connected through the connecting sleeve;

Fig. 3 is the structure schematic diagram that the utility model vertical reinforcing bar connecting sleeve is installed in the vertical reinforcing bar of lower floor;

Fig. 4 is the structural representation of the lower shear wall of the utility model and the concrete pouring of the lower floor;

Fig. 5 is a schematic diagram of the planar structure of the connection area after the upper prefabricated shear wall of the utility model is placed;

Fig. 6 is a schematic diagram of a partial cross-sectional structure of the upper prefabricated shear wall of the utility model after it is placed in place.

In the figure: 1- prefabricated shear wall on the lower floor; 2- prefabricated shear wall on the upper floor; 3- vertical reinforcement connecting sleeve; 4- adjustable spacer; Stretching steel bars; 7-reserved downward extending steel bars at the bottom of the prefabricated wall; 8-cast-in-place concrete floor; 9-first fixed seat; 10-mobile seat; 11-second fixed seat; 12-short oblique support; -Adjustment slot; 14-connection block; 15-positioning hole; 16-positioning screw.

Detailed ways

In order to make the purpose, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. The following embodiments are used for illustration The utility model.

As shown in Figure 1 to Figure 6

A vertical reinforcement connection structure of a prefabricated shear wall, comprising a lower prefabricated shear wall 1, an upper prefabricated shear wall 2, a vertical reinforcement connection sleeve 3, an adjustable pad 4, a long oblique support 5 and cast-in-place concrete Floor 8, the cast-in-place concrete floor 8 is set on the top side of the lower prefabricated shear wall 1, the adjustable pad 4 is installed on the top of the cast-in-place concrete floor 8, and the adjustable pad 4 is connected with the upper prefabricated shear wall 2 The bottom is in contact, and the outer wall of the top of the cast-in-place concrete floor 8 is fixedly connected with two first fixed seats 9, and the bottom end of the long oblique support 5 is rotatably installed on the first fixed seat 9 on the right side, and the upper prefabricated shear wall 2 side An adjustment groove 13 is provided, the inner wall of the adjustment groove 13 is slidably connected with a connecting block 14, one side of the connecting block 14 is fixedly connected with a moving seat 10, and the top of the long oblique support 5 is rotatably installed on the moving seat 10, which can support the long oblique support 5 The angle is adjusted so that the top of the long oblique support 5 can be fixed at an appropriate position on one side of the upper prefabricated shear wall 2 according to the height of the upper prefabricated shear wall 2;

The top of the prefabricated shear wall 1 on the lower floor is provided with a steel bar 6 reserved for upward extension at the top of the prefabricated wall, and the vertical steel bar connection sleeve 3 is installed on the top of the prefabricated wall. Screw down to the bottom.

In a specific embodiment, the bottom of the upper prefabricated shear wall 2 is provided with a downwardly extending steel bar 7 reserved at the bottom of the prefabricated wall, and the upwardly extending steel bar 6 reserved at the top of the prefabricated wall protrudes from the cast-in-place concrete floor 8 to a length not less than To the length of the reinforcing bar connecting sleeve 3, the extension length of the downwardly extending reinforcing bar 7 reserved at the bottom of the prefabricated wall must meet the required length of the vertical reinforcing connecting sleeve 3, and the upwardly extending reinforcing bar 6 and The downwardly extending steel bar 7 reserved at the bottom of the prefabricated wall needs to be threaded within the range of the extended length in advance to match the vertical steel bar connecting sleeve 3, and the vertical reinforcing bar connecting sleeve 3 is screwed upward to make the upper prefabricated shear The bottom of the prefabricated wall at the bottom of force wall 2 is effectively connected with the downwardly extending steel bars 7 reserved at the bottom of the prefabricated shear wall 1 and the upwardly extending steel bars 6 are reserved at the top of the prefabricated shear wall 1 at the top of the lower layer. The adjustable pad 4 at the bottom of the wall 2 is concrete within the height range, so that the lower prefabricated shear wall 1 and the upper prefabricated shear wall 2 form an integral and reliable connection structure.

Further, a short oblique support 12 is fixedly installed on the first fixed base 9 on the left side, and a second fixed base 11 is fixedly connected to one side of the upper prefabricated shear wall 2, and the top of the short oblique support 12 is fixedly installed on the second fixed base 11 On, the moving seat 10 is provided with symmetrically arranged threaded holes, and the inner walls of the two threaded holes are all screwed with positioning screws 16, and the inner wall of the adjustment groove 13 is provided with positioning holes 15 distributed equidistantly. The distance is the same as the distance between the adjacent two positioning holes 15, and the two positioning screws 16 are compatible with the positioning holes 15. After the angle adjustment of the long oblique support 5 is completed, the two positioning screws 16 are screwed together. In the two positioning holes 15, the positioning effect on the mobile seat 10 is realized, so that the long oblique support 5 cooperates with the short oblique support 12 to strengthen the stability of the connection between the cast-in-situ concrete floor 8 and the upper prefabricated shear wall 2 .

The implementation principle of the vertical reinforcement connection structure of a prefabricated shear wall in this embodiment is as follows: first pour the lower concrete floor to the structural elevation, and screw the vertical reinforcement connection sleeve 3 downward to the lower prefabricated shear wall 1 The top of the upper prefabricated wall reserves the bottom of the upwardly extending steel bar 6, and the upper prefabricated shear wall 2 is hoisted, and the upper prefabricated shear wall 2 is prefabricated on the opposite side of the lower prefabricated shear wall 1 and the upper prefabricated shear wall 2 through the adjustable cushion block 4. The upwardly extending steel bars 6 and the downwardly extending steel bars 7 reserved at the bottom of the prefabricated wall meet the conditions required for the connection of steel bars. The poured concrete floor 8 is stably connected, and the support angle of the long oblique support 5 can be adjusted through the adjustment groove 13, the connecting block 14 and the moving seat 10 provided on the upper prefabricated shear wall 2, so as to facilitate the adjustment according to the upper prefabricated shear wall. 2, fix the top of the long oblique support 5 at an appropriate position on one side of the upper prefabricated shear wall 2, and after the angle adjustment of the long oblique support 5 is completed, screw the two positioning screws 16 into the two positioning holes 15 , to achieve the positioning effect on the mobile seat 10, so that the long oblique support 5 cooperates with the short oblique support 12 to strengthen the stability of the connection between the cast-in-place concrete floor 8 and the upper prefabricated shear wall 2, and then connect the vertical reinforcement The sleeve 3 is screwed upwards, so that the downwardly extending steel bar 7 reserved at the bottom of the prefabricated shear wall at the bottom of the upper layer prefabricated shear wall 1 and the upwardly extending steel bar 6 reserved at the top of the prefabricated wall at the top of the lower layer prefabricated shear wall 1 pass through the vertical steel bar connection sleeve The cylinder 3 forms an effective connection, pours concrete within the height range of the adjustable pad 4 at the bottom of the upper prefabricated shear wall 2, so that the lower prefabricated shear wall 1 and the upper prefabricated shear wall 2 form an integral and reliable connection structure.

Claims (7)

1. A vertical reinforcement connection structure of a prefabricated shear wall, comprising a lower prefabricated shear wall (1), an upper prefabricated shear wall (2), a vertical reinforcement connection sleeve (3), and an adjustable pad (4 ), long oblique support (5) and cast-in-place concrete floor (8), it is characterized in that, described cast-in-place concrete floor (8) is arranged on the top side of lower prefabricated shear wall (1), and the adjustable The spacer (4) is installed on the top of the cast-in-place concrete floor (8), and the adjustable spacer (4) is in contact with the bottom of the upper prefabricated shear wall (2), and the outer wall of the top of the cast-in-place concrete floor (8) Two first fixed seats (9) are fixedly connected, and the bottom end of the long oblique support (5) is rotatably installed on the first fixed seat (9) on the right side, and one side of the upper prefabricated shear wall (2) An adjustment slot (13) is provided, the inner wall of the adjustment slot (13) is slidably connected with a connection block (14), one side of the connection block (14) is fixedly connected with a mobile seat (10), and the long oblique support (5 ) The top end is rotated and installed on the mobile seat (10); The top of the lower prefabricated shear wall (1) is provided with a reserved upwardly extending reinforcement (6) on the top of the prefabricated wall, and the vertical reinforcement connecting sleeve (3) is installed on the reserved upwardly extending reinforcement (6) at the top of the prefabricated wall. )superior. 2. the vertical reinforcement connection structure of a kind of prefabricated shear wall according to claim 1, it is characterized in that, the bottom of described upper layer prefabricated shear wall (2) is provided with the prefabricated wall bottom and reserves downward outwardly extending reinforcing bar ( 7), the length of the upwardly extending steel bar (6) extended from the top of the prefabricated wall extending out of the cast concrete floor (8) is not less than the length of the vertical steel bar connecting sleeve (3). 3. The vertical reinforcement connection structure of a prefabricated shear wall according to claim 2, wherein the extension length of the downwardly extending reinforcement (7) reserved at the bottom of the prefabricated wall must meet the requirements of the vertical reinforcement. Connect the desired length of the connection sleeve (3). 4. The vertical reinforcement connection structure of a prefabricated shear wall according to claim 3, characterized in that the top of the prefabricated wall is reserved for upwardly extending reinforcement (6) and the bottom of the prefabricated wall is reserved for downwardly extending The reinforcing bars (7) are all matched with the vertical reinforcing bar connecting sleeve (3). 5. a kind of vertical reinforcement connection structure of prefabricated shear wall according to claim 1, is characterized in that, on the described first holder (9) on the left side, is fixedly installed with short oblique support (12), so A second fixing seat (11) is fixedly connected to one side of the upper prefabricated shear wall (2), and the top end of the short oblique support (12) is fixedly installed on the second fixing seat (11). 6. The vertical reinforcement connection structure of a prefabricated shear wall according to claim 1, characterized in that, said moving seat (10) is provided with symmetrically arranged threaded holes, and the inner walls of the two threaded holes are all threaded. Connected with positioning screw (16). 7. The vertical reinforcement connection structure of a prefabricated shear wall according to claim 6, characterized in that, the inner wall of the adjustment groove (13) is provided with positioning holes (15) distributed equidistantly, and the two The distance between the positioning screws (16) is the same as the distance between two adjacent positioning holes (15), and the two positioning screws (16) are all adapted to the positioning holes (15).

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