CN211874127U - Prefabricated enclosure and mounting structure thereof - Google Patents

Abstract

The utility model discloses a prefabricated enclosure and mounting structure thereof. The prefabricated enclosing wall comprises a foundation, an enclosing wall plate and a pressing top; two stop blocks are arranged in the middle of the foundation, an installation gap at the bottom of the wall board is formed between the two stop blocks, and a protruding rib which partially extends upwards relative to the installation gap is embedded in the foundation; the wall board comprises a left end column, a right end column and a foamed concrete wall body; a hoisting embedded part is embedded in the top of the end post, a skeleton structure is embedded in the end post, an extension preformed hole is formed in the bottom of the end post, and a rib of the foundation extends into the preformed hole during connection; and rib outlet rings are arranged at the lower parts of the two ends of the pressing top, extend into the end column and are fixedly connected with the top of the end column. The utility model discloses an enclosure structure atress is reasonable, can resist the load in the use, and with low costs.

Description

Prefabricated enclosure and mounting structure thereof

Technical Field

The utility model relates to a prefabricated enclosure and mounting structure thereof belongs to the building industrialization field.

Background

With the continuous promotion of building industrialization, the way of using precast concrete for the enclosing wall is more and more common. At present, most of the enclosing walls are open pillar type (protruding pillars) structures, and the pillars are used as main stress components to bear loads. However, as the enclosure wall with the Chinese structure, the pillars are in the form of hidden pillars which do not protrude out of the wall surface, and the form needs to ensure the overturn resistance of the enclosure wall.

Chinese utility model patent CN206859498U discloses a foaming concrete self preservation temperature composite block, this is the application of foaming concrete in the building block, and the building block size is little, realizes easily, to this kind of relatively large-scale prefabricated component of surrounding wall board, and foaming concrete is hardly used, and the main difficult point lies in easy fracture and structural strength are difficult to guarantee.

For the enclosure, the lower part of the enclosure is a foundation, the workload and the manufacturing cost of the traditional strip foundation or independent foundation at least account for more than 40 percent of the enclosure engineering, the cost is high, and the connection is unstable.

In addition, the assembly type enclosure wall has a big problem that the upper part of the enclosure wall is easy to crack and move.

In order to make the dead weight of enclosure littleer, reduce the ground load and reduce inhomogeneous settlement, the utility model discloses utilize the foaming concrete technique to research and develop the enclosure product and solved a series of technical problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a prefabricated enclosure and mounting structure thereof, this enclosure uses the prefabricated enclosure with concrete foaming technique on, both can solve the problem that enclosure plate weight is light in the construction installation, can solve the shrink fracture problem of foam concrete again. And the wall panel structure should atress reasonable, can resist the load in the use, and with low costs.

In order to realize the purpose, the utility model discloses the technical scheme who adopts is:

a prefabricated enclosure comprises a prefabricated concrete foundation at the bottom, a prefabricated enclosure wall board fixed on the foundation and a press top fixed at the top of the enclosure wall board; the structure is characterized in that:

two stop blocks are arranged in the middle of the foundation, an installation gap at the bottom of the wall board is formed between the two stop blocks, and a protruding rib which partially extends upwards relative to the installation gap is embedded in the foundation;

the wall board comprises a left end column, a right end column and a foamed concrete wall body connected between the two end columns; a first hoisting embedded part is embedded in the top of the end post, a framework structure is embedded in the end post, a reserved hole extending to the bottom end face of the end post is formed in the bottom of the end post, and a rib of the foundation extends into the reserved hole during connection;

and rib outlet rings are arranged at the lower parts of the two ends of the pressing top, extend into the end column and are fixedly connected with the top of the end column.

Therefore, the utility model discloses creatively adopt the primary structure of foaming concrete as the surrounding wall board, cooperate the end post that conventional concrete supported, can improve the structural reliability of surrounding wall board. Through special basis, can realize the straightness that hangs down of enclosing wall board fast, guarantee the firm of enclosure.

The utility model discloses a dog of two epirelief of basis both is the one deck defence line that the enclosure antidumping, can utilize its position of adjusting the enclosure board again simultaneously in the installation, can also make the enclosure board temporarily fixed simultaneously, has improved the efficiency of installation greatly.

The utility model discloses a through reliable connected mode between enclosing wall board and the basis, reduced the work load of basis, the anti-overturning ability in enclosure bottom is strong, and it is convenient to construct the installation.

According to the utility model discloses an embodiment, can also be right the utility model discloses do further optimization, following for optimizing the technical scheme who forms afterwards:

in order to improve the structural strength of the foamed concrete wall and improve the prefabrication efficiency of the wall board, a skeleton structure formed by crossing a plurality of vertical skeletons and a plurality of transverse skeletons is pre-embedded in the foamed concrete wall, and the transverse skeletons penetrate through the vertical skeletons and extend into the end posts; the end columns are separated from the foamed concrete wall body through steel mesh membranes. Therefore, the utility model discloses separate through the steel mesh membrane between the end post of enclosing wall board and foamed concrete wall, can realize the operation when end post and foamed concrete wall, greatly improved the prefabricated efficiency of enclosing wall board.

In order to avoid the cracking between the left and right two enclosure plates, the outer end face of the end post is provided with a notch, and the notch is used for connecting the two adjacent enclosure plates; the both ends are equipped with about the wainscot the breach, this breach vertical extension. Therefore, the outer end face of the end column is provided with the notch, after the left and right adjacent enclosing wall plates are installed, the notch is filled with anti-cracking mortar for anti-cracking treatment, and the enclosing wall can be prevented from cracking. Preferably, the width of the notch is 4-8cm and the depth is 4-8 mm.

In order to prevent the cracking and the dislocation of the upper parts of the enclosing walls, grooves are reserved at the top ends of the end columns and are used for connecting the tops of two adjacent enclosing wall plates. Therefore, the upper parts of two adjacent enclosing wall plates are reliably connected, and the stability of the capping is ensured.

In order to improve the structural performance and the anti-cracking performance of the wall panel, the foamed concrete wall body comprises anti-cracking mortar layers positioned on two sides, foamed concrete filled between the two anti-cracking mortar layers and a framework structure pre-embedded in the foamed concrete; the anti-crack mortar layer comprises a steel wire net film with rough two surfaces and anti-crack mortar covered on the steel wire net film.

In order to better ensure the stability of the enclosing wall and conveniently adjust the verticality of the enclosing wall plate, the foundation and the middle part of the enclosing wall plate are fixed through an inclined support; a second hoisting embedded part is arranged on the foundation and also serves as an embedded part at the bottom of the inclined support; an internally threaded sleeve insert is provided at the 1/3-1/2 level of the end post as an insert in the top of the diagonal brace. After the inclined strut is installed on the wall panel, the inclined strut is generally dismantled as required.

In order to conveniently install the wall board, the distance between every two adjacent stop dogs is larger than the thickness of the wall board, and a wedge block is arranged between the wall board and the stop dogs. Preferably, the distance between the two blocks is 4cm-10cm wider than the thickness of the wall plate.

Preferably, the foundation is a plate type independent structure, and the width of the foundation is 1/4-1/6 of the length of the wall board; and a steel plate base is embedded in the foundation and is fixedly connected with the bottom of the steel bar outlet. From this, the steel sheet base is showing the tensile strength who has improved out the muscle, has improved basic structural strength.

In order to conveniently disassemble the wall panel for recycling, a steel box communicated with the preformed hole is pre-embedded in the end column, and the rib of the foundation penetrates through the preformed hole and extends into the steel box; the end part of the extending end of the rib is provided with a threaded section, and the threaded section of the rib extending into the steel box is fixed through a bolt.

Based on the same invention concept, the utility model also provides an installation structure of the prefabricated enclosing wall, which comprises a plurality of foundations and a plurality of enclosing wall boards; the bottom of the joint of two adjacent enclosure plates is arranged in an installation gap between two stop blocks of a foundation, the tops of the end posts of the two enclosure plates are respectively reserved with a groove, a connecting steel plate is arranged in the groove at the joint of the two adjacent enclosure plates, and the connecting steel plate is fixedly connected with a first hoisting embedded part embedded in the tops of the end posts through fasteners;

and the joint of two adjacent wall panels is provided with an anti-cracking structure.

The utility model discloses on using prefabricated wallboard with concrete foaming technique, through the possibility of weight reduction in order to reduce the uneven settlement of basis, because light in weight, the vertical load that has significantly reduced to reduced the size of basis or can adopt simple and easy basis, reduced basic construction cost. Furthermore, the utility model discloses a foaming concrete forms sandwich structure with outer anti-crack mortar structure, makes foaming concrete avoid influences such as ambient condition shrink.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the enclosure wall of the utility model has light weight, greatly reduces vertical load, reduces the size of the foundation or can adopt a simple foundation, thereby reducing the construction cost of the foundation;

2. by adopting the foamed concrete wallboard, the possibility of uneven settlement of the foundation can be reduced to a great extent by reducing the weight;

3. the end part of the wall board adopts a concrete end post, and the middle part is foamed concrete, so that the production cost is low;

4. the foundation, the enclosing wall plate and the coping of the enclosing wall are all prefabricated, batch production can be realized, and field wet operation is basically avoided;

5. the two stop blocks protruding from the enclosure foundation are not only a layer of defensive line for the enclosure to resist overturning, but also can be used for adjusting the position of the enclosure plate during installation, and simultaneously can temporarily fix the enclosure plate, thereby greatly improving the installation speed;

6. the enclosure foundation is arranged perpendicular to the enclosure wall plate, has strong anti-overturning capability and has more advantages under the condition of uneven foundation;

7. the hanging points at the top of the enclosing wall plates are also used as embedded parts for connecting the upper parts of the enclosing wall plates, so that the cost is reduced. In addition, the pressing top is stably connected by matching the mortar filling with the rib-out ring of the pressing top in the notch at the embedded part, so that the construction efficiency and the safety degree are improved;

8. the end of the enclosing wall plate is provided with the end post which is prefabricated by conventional concrete, the contraction deformation between prefabricated concrete structures is small, and the possibility of contraction cracks at the joint of the enclosing wall can be reduced by adopting a groove anti-cracking form for connection.

Drawings

FIG. 1 is a schematic front view of a foamed wall panel according to an embodiment of the present invention;

FIG. 2 is a schematic cross-sectional view of a foamed wall panel according to an embodiment of the present invention;

fig. 3 is a schematic view of the enclosure foundation according to an embodiment of the present invention;

FIG. 4 is a schematic view of the lower connection of the enclosure according to an embodiment of the present invention;

fig. 5 is a schematic view of enclosure capping according to an embodiment of the present invention;

FIG. 6 is a schematic view of an upper connection of an enclosure according to an embodiment of the present invention;

fig. 7 is a schematic view of a partial connection of an enclosure according to an embodiment of the present invention;

FIG. 8 is a schematic view of a reusable temporary enclosure wall connection according to another embodiment of the present invention;

fig. 9 is a state diagram of an application of an embodiment of the present invention.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. For convenience of description, the words "upper", "lower", "left" and "right" in the following description are used only to indicate the correspondence between the upper, lower, left and right directions of the drawings themselves, and do not limit the structure.

Example 1

A prefabricated enclosure, as shown in fig. 7, comprises a prefabricated concrete foundation 2 at the bottom, a prefabricated enclosure panel 1 fixed on the prefabricated concrete foundation 2, and a coping 3 fixed on the top of the prefabricated enclosure panel 1.

As shown in fig. 1 and 2, the prefabricated wall panel 1 mainly comprises two major parts, namely end posts 11 and a foamed concrete wall body 12.

As can be seen from fig. 1, the end post 11 is mainly stressed by a concrete structure, and the end post 11 is provided with a plurality of vertical longitudinal ribs 115 and stirrups 116. In particular cases, the steel reinforcement framework composed of the longitudinal bars 115 and the stirrups 116 can be replaced by the steel reinforcement of the truss in order to simplify the production. To facilitate the installation of the diagonal brace 4, an internally threaded sleeve insert 112 is provided at a height 1/3-1/2 of the end post 11. For the convenience of hoisting, a first hoisting embedded part 111 is arranged at the top of the end post 11, and the first hoisting embedded part 111 is preferably in the form of an internal threaded sleeve for facilitating the connection of the upper part of the wall panel 1. The first hanging embedded part 111 at the top of the end post 11 is concave inwards to form a groove 118, so that the coping 3 is connected with the upper part of the wall panel 1 by adopting a connecting steel plate 33. Two metal bellows 114 are provided at the bottom of the end column 11 for connecting the end column 11 with the enclosure foundation 2. The end post 11 is respectively provided with a through-length notch 117 at two sides of the end part of the wallboard, and the reserved notches 117 are used for smearing anti-crack mortar after installation. The notch 117 is about 5cm wide and about 5mm thick.

In order to facilitate the subsequent connection of the tops of two adjacent wall panels 1, as shown in fig. 1, a groove 118 is reserved at the top of the end post 11, the connecting steel plate 33 is placed in the groove 118 at the top of two adjacent wall panels 1, and the connection of the tops of two adjacent wall panels 1 can be realized through a fastener.

The foamed concrete wall 12 includes a foamed concrete 123 and a skeleton structure formed by intersecting a plurality of vertical skeletons 121 and a plurality of horizontal skeletons 122 and pre-embedded in the foamed concrete 123, and the horizontal skeletons 122 penetrate through the vertical skeletons 121 and extend into the end posts 11 made of conventional concrete. And (3) adopting a light steel framework to attach a steel net film 13 to perform slurry plugging treatment at the contact interface of the foamed concrete wall body 12 and the end post 11. The vertical framework 121 can be thin-wall light steel or a steel bar truss, and the transverse framework 122 can be a steel bar truss or a small-sized steel pipe.

In order to protect the foamed concrete 123 from the external environment, crack-resistant mortar layers 124 are disposed on both sides of the foamed concrete 123. The anti-crack mortar layer 124 comprises a double-layer steel wire mesh film 113 tightly attached to the thin-wall light steel and anti-crack mortar, wherein the double-layer steel wire mesh film 113 is in a form of rough inner and outer surfaces and can work together with the anti-crack mortar layer 124 and the foamed concrete 123 layer.

The utility model discloses an enclosure substructure is precast concrete foundation 2, and basis 2 is board-like independent structure, and the width is about 1/5 of the length of enclosing wall board 1, the length direction perpendicular to enclosing wall board 1's of basis 2 length direction during the use. As shown in fig. 3, two second hoisting embedded parts 23 are arranged on the foundation 2, and the second hoisting embedded parts 23 can be used as embedded parts of the inclined supports 4 for temporarily supporting and adjusting the verticality of the wall panel 1. 2 middle parts of basis respectively set up a concrete stop 21 in 1 both sides of enclosing wall board, and the clearance in the middle of the concrete stop 21 is slightly wider than enclosing wall board 1 (about 6 centimeters, respectively leave 3 centimeters on one side), makes things convenient for 1 whereabouts of enclosing wall board and fills in 5 temporary fixation enclosing wall boards 1 of wedge. The length direction of the gap is consistent with the length direction of the wall board 1.

It can be seen from fig. 3 and 4 that, the ribs 22 are reserved on the foundation 2, the form of the ribs 22 is U-shaped, two U-shaped ribs 22 are correspondingly arranged on one foundation 2, the steel plate base 24 is pre-embedded at the bottom of the foundation 2, the steel plate base 24 is welded to the U-shaped ribs 22, and the length of the ribs and the rib outlet interval of the U-shaped ribs 22 are respectively matched with the reserved holes (namely the metal corrugated pipes 114) at the lower part of the wall panel 1.

As shown in fig. 4, the wall panels 1 and the foundation 2 are preferably connected by steel bar grouting, the protruding ribs 22 at the top of the foundation 2 extend into the preformed holes (corrugated pipes 114) at the lower part of the upper wall panel 1, and high-strength grouting material 119 is injected into the preformed holes, thereby realizing reliable connection between the foundation 2 and the wall panels 1.

When installing wainscot 1 on basis 2, dog 21 is supporting with wedge 5, treats after wainscot 1's the stable position, adopts interim wedge 5 wedging fixed, and wedge 5 sets up the seam position at two wainscot 1. After the gap between the stop block 21 and the wall board 1 is temporarily fixed on the wall board 1, high-strength grouting material is adopted for grouting.

The top of the wall panel 1 of this embodiment is a prefabricated coping 3, as shown in fig. 5, two small rib-out rings 31 are respectively disposed at two ends of the prefabricated coping 3, the rib-out rings 31 are used for fixing the coping 3, and two hoisting embedded parts (not shown) are disposed on the top surface of the coping 3 for hoisting and installing the coping 3.

As shown in fig. 6, the top of the wall panel 1 is connected by the connecting steel plate 33, the connecting steel plate 33 is arranged at the splicing groove 118 at the top of two prefabricated wall panels 1, bolt holes are formed in the connecting steel plate 33 corresponding to the first hoisting embedded parts 111 at the top of the end posts 11, the first hoisting embedded parts 111 are screwed in by the screw rods 34, and the first hoisting embedded parts 111 and the connecting steel plate 33 are fixed together by the bolts 33, so that the connection of the upper parts of the wall panels 1 is realized.

And the groove 118 at the top of the wall panel 1 is filled with cement mortar 32 after the connection of the connecting steel plates 33, and when the coping 3 is hoisted in place, the pre-embedded rib ring 31 is pressed into the mortar 32 to realize the fixation of the coping 3.

In this embodiment, the joint of two adjacent partition boards 1 is crack-resistant by using a hanging crack-resistant mesh cloth and crack-resistant mortar to trowel the reserved vertical gap 117.

Referring to fig. 9, the steps of implementing the fence in this embodiment are as follows:

firstly, prefabricating a foundation 2, a wall board 1 and a coping 3 in a factory;

secondly, positioning the foundation 2, processing the foundation 2 and hoisting the prefabricated foundation 2;

thirdly, hoisting the wall board 1 to the foundation 2, adjusting the plane position of the wall board 1, and adjusting the verticality of the wall board 1 by using an inclined support 4;

fourthly, hoisting the partition wall (adjacent) enclosing wall boards 1, and temporarily fixing the two enclosing wall boards 1 by using wedge blocks 5;

fifthly, installing other wall boards 1 in the same way;

sixthly, connecting the upper parts of two adjacent enclosing wall plates 1 by using connecting steel plates;

seventhly, plugging the gap on the periphery of the bottom of the surrounding wall plate 1, grouting the upper outlet of the embedded corrugated pipe by using high-strength grouting material to the height of the stop block 21, and grouting the upper outlet after the grouting material is initially set;

eighthly, smearing a layer of mortar in the reserved groove 118 at the top of the enclosing wall, and hoisting and jacking the top 3;

and ninthly, performing crack-resistant finishing treatment on the joint of the enclosing wall.

Example 2

On the use upper side of the temporary building enclosure, the lower portion of the enclosure is preferably connected by bolts instead of grouting, so that the enclosure plate 1 can be reused.

As shown in fig. 8, in this way, a steel box 25 and a pre-buried pipe led into the steel box 25 are pre-buried on the end post 11 of the wall panel 1, the pre-buried protruding rib 22 on the foundation 2 extends into the steel box 25 of the end post 11, a threaded section is arranged on the end portion of the protruding rib 22, and the threaded section extends into the steel box 25 and is fastened through a bolt 26. After fastening, the steel box 25 is filled with flexible mortar 27. The gaps between the wall panels 1 and the foundation 2 and the stop blocks 21 are filled with materials such as mortar 51 convenient for chiseling.

The rest of the structure is the same as that of embodiment 1, and is not described again.

The above-mentioned embodiments are illustrative and should not be construed as limiting the scope of the invention, which is defined by the appended claims, and all modifications of the equivalent forms of the present invention which are obvious to those skilled in the art after reading the present invention.

Claims (10)

1. A prefabricated enclosure comprises a prefabricated concrete foundation (2) positioned at the bottom, a prefabricated enclosure wall plate (1) fixed on the foundation (2), and a press top (3) fixed at the top of the enclosure wall plate (1); the method is characterized in that:

two stop blocks (21) are arranged in the middle of the foundation (2), an installation gap at the bottom of the wall board (1) is formed between the two stop blocks (21), and a protruding rib (22) which partially extends upwards relative to the installation gap is embedded in the foundation (2);

the wall board (1) comprises a left end column, a right end column (11) and a foamed concrete wall body (12) connected between the two end columns (11); a first hoisting embedded part (111) is embedded in the top of the end column (11), a framework structure is embedded in the end column (11), a reserved hole extending to the bottom end face of the end column (11) is formed in the bottom of the end column (11), and a rib (22) of the foundation (2) extends into the reserved hole when being connected;

and rib outlet rings (31) are arranged at the lower parts of the two ends of the coping (3), and the rib outlet rings (31) extend into the end column (11) and are fixedly connected with the top of the end column (11).

2. The prefabricated enclosure wall of claim 1, wherein a plurality of vertical frameworks (121) and a plurality of transverse frameworks (122) are embedded in the foamed concrete wall (12) to form a framework structure in a crossed manner, and the transverse frameworks (122) penetrate through the vertical frameworks (121) and extend into the end posts (11); the end columns (11) are separated from the foamed concrete wall (12) through steel net films (13).

3. Prefabricated wall according to claim 1, characterised in that the outer end faces of the end posts (11) are provided with notches (117), and the notches (117) are used for connecting two adjacent wall panels (1); the left end and the right end of the wall enclosing plate (1) are provided with the notches (117), and the notches (117) vertically extend.

4. Prefabricated enclosure according to claim 1, characterized in that the top ends of the end posts (11) are provided with grooves (118), which grooves (118) are used for the connection between the tops of two adjacent enclosure walls (1).

5. The prefabricated enclosure wall of claim 1, wherein the foamed concrete wall (12) comprises crack-resistant mortar layers (124) at two sides, foamed concrete (123) filled between the two crack-resistant mortar layers (124), and a skeleton structure pre-embedded in the foamed concrete (123); the anti-crack mortar layer (124) comprises a steel wire mesh film (113) with rough two surfaces and anti-crack mortar covering the steel wire mesh film (113).

6. Prefabricated enclosure according to claim 1, characterized in that the foundations (2) are fixed to the middle of the enclosure wall panels (1) by means of diagonal braces (4); a second hoisting embedded part (23) is arranged on the foundation (2), and the second hoisting embedded part (23) is also used as an embedded part at the bottom of the inclined support (4); an internally threaded sleeve insert (112) is provided at the 1/3-1/2 level of the end post (11), the internally threaded sleeve insert (112) acting as an insert at the top of the diagonal brace (4).

7. Prefabricated enclosure according to claim 1, wherein the distance between two adjacent stops (21) is greater than the thickness of the enclosure wall panel (1), and wherein a wedge block (5) is provided between the enclosure wall panel (1) and the stops (21).

8. Prefabricated fence according to claim 1, characterized in that the foundation (2) is a panel-type independent structure, the width of the foundation (2) being 1/4-1/6 of the length of the fence panel (1); a steel plate base (24) is embedded in the foundation (2), and the steel plate base (24) is fixedly connected with the bottom of the steel bar outlet (22).

9. Prefabricated enclosure according to claim 1, wherein steel boxes (25) communicating with the prepared holes are embedded in the end posts (11), and the outlet ribs (22) of the foundation (2) pass through the prepared holes and extend into the steel boxes (25); the end part of the extending end of the rib (22) is provided with a threaded section, and the threaded section of the rib (22) extending into the steel box (25) is fixed through a bolt (26).

10. A prefabricated enclosure installation structure as claimed in any one of claims 1 to 9 including a plurality of foundations (2) and a plurality of enclosure panels (1); the bottom of the joint of two adjacent wall panels (1) is arranged in an installation gap between two stop blocks (21) of one foundation (2), grooves (118) are reserved at the tops of end columns (11) of the two adjacent wall panels (1), connecting steel plates (33) are arranged in the grooves (118) at the joint of the two adjacent wall panels (1), and the connecting steel plates (33) are fixedly connected with first hoisting embedded parts (111) embedded in the tops of the end columns (11) through fasteners respectively;

the joint of two adjacent wall panels (1) is provided with an anti-cracking structure.

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