CN212866938U

CN212866938U - Leveling structure of prefabricated wall body

Info

Publication number: CN212866938U
Application number: CN202021271514.8U
Authority: CN
Inventors: 蔡新华; 乜颖; 陆凤军; 刘红坡; 白洋; 王文军; 刘胜辉
Original assignee: Beijing Uni Construction Group Co Ltd
Current assignee: Beijing Uni Construction Group Co Ltd
Priority date: 2020-07-02
Filing date: 2020-07-02
Publication date: 2021-04-02
Anticipated expiration: 2030-07-02

Abstract

The utility model relates to a leveling structure of a prefabricated wall body, which belongs to the technical field of assembly type building installation and comprises a superposed wallboard, wherein a leveling bolt is pre-embedded at the top of the superposed wallboard, a leveling component is arranged at the bottom of the superposed wallboard, and the leveling bolt at the top of the superposed wallboard is vertically opposite to the leveling component at the bottom of the superposed wallboard; the leveling component comprises an adjusting box, and the adjusting box is embedded in the superposed wallboard; the bottom of the adjusting box is provided with an adjusting hole; the leveling bolt of the lower laminated wallboard can be inserted into the adjusting box through the adjusting hole; the leveling bolt is in threaded connection with a second adjusting nut. The utility model discloses a pre-buried leveling bolt in lower range of coincide wallboard top and the pre-buried adjusting box in upper coincide wallboard bottom, in leveling bolt inserted the adjusting box when the leveling, improved the stability of indulging rib coincide wall body leveling.

Description

Leveling structure of prefabricated wall body

Technical Field

The utility model belongs to the technical field of the technique of assembly type structure installation and specifically relates to a leveling structure of prefabricated wall body is related to.

Background

The fabricated building is a building with use function, which is formed by manufacturing part or all of components of the building in a component prefabricating factory, then transporting the components to a construction site in a corresponding transportation mode and assembling the components by adopting a reliable installation mode and an installation machine. With the development of national economy, the continuous increase of the price and labor cost of goods, the shortage of building workers and the increasingly harsh requirements of the public on the high quality of buildings, the assembly type buildings become increasingly widely applied and popularized building types in national building industrialization due to the advantages of resource saving, construction period shortening, green and energy saving, controllable quality and the like. The longitudinal rib superposed shear wall is a novel assembly type building structure form appearing in China in recent years, and is a prefabricated component with a cavity, wherein the prefabricated component is composed of concrete plates on two sides and longitudinal ribs for connecting the concrete plates on the two sides, and a solid wall is formed by pouring concrete in the cavity in the later period.

In the installation process of a prefabricated wall body, leveling bolts are usually arranged at the bottom of the wall body to realize the adjustment of vertical elevation and bottom surface levelness, for example, the Chinese patent application with the application number of 201510209079.3 discloses a quick leveling and aligning device for the installation of a prefabricated wall board and a method thereof.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: the bottom of the laminated wallboard is usually provided with a communicating groove communicated with each cavity, the top surface of the communicating groove is an arc surface, relative sliding is easy to occur between the leveling bolt and the top surface of the communicating groove, and the leveling bolt and the upper wallboard are not connected, so that the position of the laminated wallboard is not easy to fix.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a leveling structure of prefabricated wall body, the utility model provides high stability at level is transferred to the longitudinal rib coincide wall body.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

a leveling structure of a prefabricated wall body comprises a superposed wall plate, wherein leveling bolts are embedded in the top of the superposed wall plate, a leveling assembly is arranged at the bottom of the superposed wall plate, and the leveling bolts at the top of the superposed wall plate are vertically opposite to the leveling assembly at the bottom of the superposed wall plate; the leveling assembly comprises an adjusting box, and the adjusting box is embedded in the laminated wallboard; the bottom of the adjusting box is provided with an adjusting hole; the leveling bolt of the lower laminated wallboard can be inserted into the adjusting box through the adjusting hole; and the leveling bolt is in threaded connection with a second adjusting nut.

Through adopting above-mentioned technical scheme, when carrying out the leveling operation of coincide wallboard, thereby utilize the second adjusting nut to adjust the distance between adjusting box and the coincide wallboard of lower floor or the length that lower floor's leveling bolt got into in the adjusting box so that coincide wallboard reaches the vertical elevation and the levelness of design, easy operation, efficient, be fit for popularizing and applying in assembly type building engineering.

Preferably, the adjusting box is opened along a side surface of the width direction of the overlapped wallboard and is communicated with the outside, the leveling bolt is inserted into the adjusting box through an adjusting hole in the bottom plate of the adjusting box, and part of the leveling bolt, which is positioned on the upper part of the bottom plate of the adjusting box, is in threaded connection with a first adjusting nut.

Through adopting above-mentioned technical scheme, the opening is convenient for observe the length that leveling bolt inserted the regulating box, and first adjusting nut makes also can strengthen the joint strength of upper and lower floor's coincide wallboard on the vertical elevation that can realize the coincide wallboard and horizontal positioning's basis.

Preferably, the bottom surface of the adjusting box is flush with the bottom surface of the laminated wall board.

Through adopting above-mentioned technical scheme, make the gap between the coincide wallboard about the leveling back can become a whole, the storehouse that seals of the later stage gap of being convenient for is handled to the joint strength of adjusting box and coincide wallboard also helps strengthening to adjust box and coincide wallboard is whole pre-buried in the coincide wallboard.

Preferably, the adjusting box is fixedly connected with an anchoring steel bar which is embedded in the laminated wallboard.

Through adopting above-mentioned technical scheme, the anchor reinforcing bar has strengthened regulating box and the first joint strength who indulges the rib, also makes things convenient for when pre-buried regulating box to fix the regulating box.

Preferably, the part of the gap between the upper and lower laminated wall panels below the regulating box is separated from other areas by a PE rod.

Through adopting above-mentioned technical scheme, the setting of PE stick can prevent that the concrete from getting into the regulating box inside when carrying out concrete placement.

Preferably, a second cushion plate is arranged between the second adjusting nut and the bottom plate of the adjusting box.

Through adopting above-mentioned technical scheme, the second gasket can increase the area of contact of second adjusting nut and adjusting box bottom plate surface, avoids stress concentration and the wearing and tearing of adjusting box bottom plate.

Preferably, the laminated wall panel comprises opposite concrete prefabricated panels and longitudinal ribs connecting the opposite concrete prefabricated panels; the longitudinal ribs are arranged at intervals along the length direction of the precast slab; a cavity is formed between the adjacent longitudinal ribs; indulge the rib and indulge the rib including first indulge the rib and the second, adjacent indulge including a plurality of seconds between the rib first, leveling bolt and adjusting box are pre-buried in first indulging the rib.

By adopting the technical scheme, the leveling bolts and the adjusting boxes are arranged on the longitudinal ribs of the superposed wall board, and part of the longitudinal ribs are appropriately changed to form the first longitudinal ribs which play a role of adjusting the supporting points; compared with the prefabricated plates on two sides, the supporting force of the longitudinal ribs is greater.

Preferably, the bottom of the second longitudinal rib adjacent to the first longitudinal rib is provided with a communication groove which is communicated with the adjacent cavity along the length direction of the prefabricated slab.

Through adopting above-mentioned technical scheme, the concrete that the UNICOM groove is convenient in the adjacent cavity in coincide wallboard bottom when carrying out concrete placement flows.

Preferably, the leveling bolt and the adjusting box are both arranged at the middle position of the top and the bottom of the first longitudinal rib.

Through adopting above-mentioned technical scheme, make leveling bolt and adjusting box's atress more balanced, prevent the atress uneven under the effect of coincide wallboard.

Preferably, the periphery of the cavity at the top of the laminated wallboard is provided with longitudinal steel bars extending upwards, and the periphery of the cavity at the bottom of the laminated wallboard is provided with steel bar exposed grooves allowing the longitudinal steel bars to be inserted.

Through adopting above-mentioned technical scheme, can strengthen the joint strength of coincide wallboard about after the concrete is pour to the later stage, also make the longitudinal reinforcement of lower floor play certain stabilizing action to the last laminating wallboard after inserting the cavity of last laminating wallboard simultaneously, avoid going up laminating wallboard to take place to rock.

The utility model discloses a pre-buried leveling bolt in lower range of coincide wallboard top and the pre-buried adjusting box in upper coincide wallboard bottom, in leveling bolt inserted the adjusting box when the leveling, improved the stability of indulging rib coincide wall body leveling.

Drawings

Fig. 1 is an overall structural view of a leveling structure of a prefabricated wall according to the present application after the leveling operation is completed;

FIG. 2 is a top plan view of a laminated wall panel of the leveling structure of the prefabricated wall of the present application;

FIG. 3 is a bottom view of the laminated wall panels of the leveling structure of the prefabricated wall of the present application;

FIG. 4 is a front view of a laminated wall panel of the leveling structure of the prefabricated wall of the present application;

FIG. 5 is a schematic structural view of the box channel portion of the laminated wall panels of the leveling structure of the prefabricated wall of the present application;

FIG. 6 is a schematic structural view of a leveling assembly of the leveling structure of the prefabricated wall of the present application;

FIG. 7 is a schematic structural view of the leveling structure of the prefabricated wall body after the upper and lower overlapped wall boards are connected;

fig. 8 is a partially enlarged schematic view of a portion a in fig. 7.

Description of reference numerals: 1. overlapping the wall boards; 11. prefabricating a slab; 12. longitudinal ribs; 121. a first longitudinal rib; 122. a second longitudinal rib; 123. a box groove; 13. a cavity; 14. longitudinal reinforcing steel bars; 15. horizontal reinforcing steel bars; 16. exposing a reinforcement groove on the reinforcing steel bar; 17. a communicating groove; 2. a leveling assembly; 21. an adjustment box; 22. anchoring the reinforcing steel bars; 221. an anchoring hole; 23. adjusting the nut; 231. a first adjusting nut; 232. a second adjusting nut; 24. a base plate; 241. a first backing plate; 242. a second backing plate; 3. leveling bolts; 4. a PE rod.

Detailed Description

The present invention will be described in further detail with reference to the accompanying fig. 1 to 8.

The embodiment of the application discloses leveling structure of prefabricated wall body. Referring to fig. 1, the leveling structure of the prefabricated wall body covers a laminated wall panel 1, and comprises leveling bolts 3 which are embedded in the top of the laminated wall panel 1 and extend upwards out of the laminated wall panel 1, and a leveling assembly 2 arranged at the bottom of the laminated wall panel 1. The leveling assembly 2 is vertically opposite to the leveling bolt 3. When the upper laminated wallboard 1 is installed on the lower laminated wallboard 1, the leveling component 2 and the leveling bolt 3 can be matched and detachably connected.

Referring to fig. 2, the laminated wall panel 1 includes opposite concrete prefabricated panels 11 and longitudinal ribs 12 connecting the opposite prefabricated panels 11. The longitudinal ribs 12 are provided at intervals along the length of the prefabricated panel 11. The adjacent longitudinal ribs 12 form a cavity 13 therebetween. The longitudinal ribs 12 include first longitudinal ribs 121 and second longitudinal ribs 122, and a plurality of second longitudinal ribs 122 are included between adjacent first longitudinal ribs 121. The leveling bolt 3 is embedded in the first longitudinal rib 121.

Two sides of the opposite precast slab 11 in the width direction of the cavity 13 are provided with inverted U-shaped longitudinal steel bars 14 extending upwards from the precast slab 11. Longitudinal reinforcing bars 14 are inserted into the opposite prefabricated panels 11, respectively. The longitudinal reinforcing bars 14 are positioned above the cavity 13 and at least two are spaced apart along the length of the cavity 13.

Referring to fig. 2 and 3, on the opposite surfaces of the two precast slabs 11 at the cavity 13, reinforcement exposure grooves 16 are formed, which are vertically opposite to the lower longitudinal reinforcements 14 and can accommodate the lower longitudinal reinforcements 14. When the upper laminated wallboard 1 is installed on the lower laminated wallboard 1, the inverted U-shaped longitudinal steel bars 14 of the lower laminated wallboard 1 are inserted into the steel bar exposed groove 16 of the upper laminated wallboard 1 and are in lap joint with the exposed longitudinal steel bars 14 in the cavity 13 of the upper laminated wallboard 1, so that the primary connection of the upper laminated wallboard 1 and the lower laminated wallboard 1 is realized.

The leveling component 2 is arranged at the bottom of the first longitudinal rib 121 and at a position vertically opposite to the leveling bolt 3.

The bottoms of the adjacent second longitudinal ribs 122 between the first longitudinal ribs 121 are provided with communication grooves 17 for communicating the connected cavities 13 along the length direction of the prefabricated panels 11. The communicating channels 17 facilitate the flow of concrete in the adjacent cavities 13 at the bottom of the superimposed panels 1 when concrete is poured.

Referring to fig. 4-6, leveling assembly 2 includes a square and horizontally disposed adjustment box 21. One side surface of the regulating box 21 in the horizontal direction is opened and communicates with the outside. The bottom surface of the regulating box 21 is flush with the bottom surface of the first longitudinal rib 121. The regulating box 21 is pre-buried in the first longitudinal rib 121 to form a box groove 123 at the bottom of the first longitudinal rib 121. Vertical anchoring steel bars 22 are fixedly arranged outside two side walls of the adjusting box 21 along the length direction of the prefabricated slab 11. The adjustment box 21 is welded to the anchoring bar 22 in this embodiment. The bottom surface of the anchoring steel bar 22 is flush with the bottom surface of the adjusting box 21, and the top end of the anchoring steel bar 22 is higher than the bottom end of the adjusting box 21. The anchoring bar 22 is pre-buried in the first longitudinal rib 121 to form anchoring holes 221 at the bottom end of the first longitudinal rib 121 at both sides of the regulating box 21.

The box groove 123 is not communicated with the communicating groove 17, so that the adjusting box 21 can not interfere and influence the flowing of the concrete when the concrete is poured later, and the flowing compactness of the concrete at the bottom of the laminated wall plate 1 is ensured.

The bottom plate of the adjusting box 21 is provided with an adjusting hole for allowing the leveling bolt 3 to pass through, and the shape of the adjusting hole is not limited. After the leveling bolt 3 of the lower first longitudinal rib 121 passes through the bottom plate of the adjusting box 21, the adjusting nuts 23 screwed with the leveling bolt 3 are disposed on the top and bottom of the bottom plate of the adjusting box 21, wherein the adjusting nuts include a first adjusting nut 231 located above the bottom plate of the adjusting box 21 and a second adjusting nut 232 located below the bottom plate. A backing plate 24 is arranged between the adjusting nut 23 and the bottom plate, and the backing plate 24 comprises a first backing plate 241 between the first adjusting nut 231 and the bottom plate of the adjusting box 21 and a second backing plate 242 between the second adjusting nut 232 and the bottom plate of the adjusting box 21. The distance between the adjustment box 21 and the lower first longitudinal rib 121 or the length of the lower leveling bolt 3 entering the adjustment box 21 can be adjusted by the first adjustment nut 231 and the second adjustment nut 232.

Through the cooperation of leveling bolt 3 and adjusting box 21, also can strengthen the joint strength of upper and lower floor's coincide wallboard 1 on the vertical elevation that can realize coincide wallboard 1 and horizontal positioning's basis.

In order to make the stress of the adjusting box 21 more uniform, the adjusting box 21 and the leveling bolt 3 may be pre-embedded in the middle of the first longitudinal rib 121.

Referring to fig. 7 and 8, the implementation process of this embodiment is as follows:

1. the second backing plate 242 and the second adjusting nut 232 are pre-installed on the leveling bolt 3 at the top of the lower laminated wall plate 1, then the laminated wall plate 1 is hoisted to the upper part of the lower laminated wall plate 1, the lower longitudinal steel bar 14 is inserted into the steel bar exposed groove 16, and the leveling bolt 3 is inserted into the adjusting box 21.

And a second adjusting nut 232 is utilized to carry out leveling operation, so that the bottom of the laminated wallboard 1 reaches the designed elevation and the corresponding levelness.

And after the installation and adjustment of the laminated wallboard 1 are finished, the laminated wallboard 1 is fixed by utilizing the inclined strut.

2. After the installation and the positioning of the superposed wallboards 1 are finished, the gap between the upper superposed wallboard 1 and the lower superposed wallboard 1 is sealed. Wherein, adjust box 21 below and utilize PE stick 4 to seal the storehouse, PE stick 4 is located adjust box 21 along 1 length direction's of coincide wallboard both sides, and other regional positions adopt the storehouse material to carry out the banding processing.

After the sealing of the bin is finished, additional steel bars are inserted into the cavity 13, and concrete pouring of the cavity 13 is carried out. The curing time after the concrete of the cavity 13 is poured is not less than 1.5 days, and subsequent construction cannot be carried out during the curing period of the concrete.

The provision of the PE bars 4 mainly prevents concrete from entering the interior of the conditioning box 21 when the cavity 13 is concreted.

3. Grouting construction at the bottom of the adjusting box: and (3) removing the PE rods 4 on two sides below the adjusting box 21 at the bottom of the laminated wall board 1, performing mortar bottom sealing on the bottom of the adjusting box 21, pouring high-strength grouting material, and stopping grouting when the grouting material enters the adjusting box 21 from the bottom plate adjusting hole of the adjusting box 21. Then, the first shim plate 241 is installed and the first adjusting nut 231 is tightened to fix the leveling bolt 3 to the adjusting box 21.

This application is through the pre-buried leveling bolt 3 in 1 top of coincide wallboard of lower floor and the pre-buried adjusting box 21 in upper strata coincide wallboard bottom, and leveling bolt 3 inserts in adjusting box 21 when the leveling, has improved the stability of longitudinal rib coincide wall body leveling. The leveling structure of prefabricated wall body of this application easy operation, efficient are fit for popularizing and applying in assembly type building engineering.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a leveling structure of prefabricated wall body, includes coincide wallboard (1), its characterized in that: leveling bolts (3) are embedded in the top of the laminated wallboard (1), a leveling component (2) is arranged at the bottom of the laminated wallboard (1), and the leveling bolts (3) at the top of the laminated wallboard (1) are vertically opposite to the leveling component (2) at the bottom; the leveling component (2) comprises an adjusting box (21), and the adjusting box (21) is embedded in the laminated wall board (1); the bottom of the adjusting box (21) is provided with an adjusting hole; the leveling bolt (3) of the lower laminated wallboard (1) can be inserted into the adjusting box (21) through the adjusting hole; and a second adjusting nut (232) is in threaded connection with the leveling bolt (3).

2. The leveling structure of the prefabricated wall according to claim 1, wherein: the bottom surface of the adjusting box (21) is flush with the bottom surface of the laminated wall board (1).

3. The leveling structure of the prefabricated wall according to claim 1, wherein: the adjusting box (21) is fixedly connected with an anchoring reinforcing steel bar (22) which is pre-embedded in the laminated wallboard (1).

4. The leveling structure of the prefabricated wall according to claim 1, wherein: the part of the gap between the upper and lower laminated wall boards (1) below the adjusting box (21) is separated from other areas by a PE rod (4).

5. The leveling structure of the prefabricated wall according to claim 1, wherein: and a second cushion plate (242) is arranged between the second adjusting nut (232) and the bottom plate of the adjusting box (21).

6. The leveling structure of the prefabricated wall according to claim 1, wherein: the laminated wall panel (1) comprises opposite concrete precast panels (11) and longitudinal ribs (12) connecting the opposite precast panels (11); the longitudinal ribs (12) are arranged at intervals along the length direction of the precast slab (11); a cavity (13) is formed between the adjacent longitudinal ribs (12); the longitudinal ribs (12) comprise first longitudinal ribs (121) and second longitudinal ribs (122), a plurality of second longitudinal ribs (122) are arranged between the adjacent first longitudinal ribs (121), and the leveling bolts (3) and the adjusting boxes (21) are embedded in the first longitudinal ribs (121).

7. The leveling structure of the prefabricated wall body as claimed in claim 6, wherein: and communication grooves (17) which are communicated with adjacent cavities (13) along the length direction of the precast slab (11) are arranged at the bottoms of adjacent second longitudinal ribs (122) between the first longitudinal ribs (121).

8. The leveling structure of the prefabricated wall according to claim 7, wherein: the leveling bolt (3) and the adjusting box (21) are arranged in the middle of the top and the bottom of the first longitudinal rib (121).

9. The leveling structure of the prefabricated wall according to claim 7, wherein: the periphery that coincide wallboard (1) top is located cavity (13) is provided with the longitudinal reinforcement (14) that upwards stretches out, the periphery that coincide wallboard (1) bottom is located cavity (13) is seted up and is allowed longitudinal reinforcement (14) male reinforcing bar groove (16).