CN211341396U - Building block, building block manufacturing device and constructional column mold - Google Patents

Abstract

The utility model relates to the field of housing construction engineering, in particular to a block, a block making device and a structural column mold, and a block, comprising a main body, the main body comprising a first plate, a second plate and a third plate, The first plate and the third plate are arranged opposite to each other, and the two ends of the second plate are respectively connected to one end of the first plate and one end of the third plate. Positioning grooves and/or positioning protrusions are provided on the upper end surface of at least one of the three items of plate 2 and board 3, and positioning grooves are provided on the lower end surface of at least one of the three items of board 1, board 2 and board 3 and/or positioning protrusions; the blocks can form a standard-sized structural column mold to improve the forming quality of the horse tooth; the structural column mold formed by the cooperation of the blocks directly becomes a part of the structural column after pouring, and does not need to be dismantled. It saves the time of the construction process, reduces the construction cost, improves the construction progress and improves the project quality.

Description

A block, a block making device and a structural column mold

technical field

The utility model relates to the field of house construction engineering, in particular to a block, a block making device and a structural column mould.

Background technique

In the construction process of the one-piece wall masonry structure in the field of housing construction, it is necessary to reserve the position of the structural column with the horse teeth in advance, and then install the structural column formwork and pour concrete, and finally remove the formwork. In the prior art, several formwork are often used as the pouring area of the structural column. The construction process is many, time-consuming, and a large amount of formwork, wood, screws and other materials need to be invested, and the size of the structural column is not standard due to the reserved size. , the forming quality of the structural column is poor.

Utility model content

The purpose of the invention of the present utility model is: in view of the problems existing in the prior art, such as non-standard reserved size of structural columns in masonry engineering, large material input, long construction procedures and long time, and poor forming quality of structural columns, to provide a block, A block making device and a structural column mold.

In order to achieve the above purpose, the technical scheme adopted by the present utility model is:

A block, comprising a main body, the main body comprises a plate 1, a plate 2 and a plate 3, the plates 1 and 3 are arranged opposite to each other, and the two ends of the plate 2 are respectively connected to one end of the plate 1 and the plate At one end of plate 3, the body is an integrally formed member of a groove structure, and the upper end surface of at least one of the three items of plate 1, plate 2 and plate 3 is provided with a positioning groove and/or a positioning protrusion, and the plate 1. The lower end surface of at least one of the three items of plate 2 and plate 3 is provided with positioning grooves and/or positioning protrusions.

Determine the size of the block according to the conventional size of the construction column Ma Yacha, that is, determine the size of the first plate, the second plate and the third plate. The blocks are integrally formed components with good stability. The upper end faces of the blocks can all be positioning grooves or positioning protrusions, the upper end face of the block can also have both positioning grooves and positioning protrusions, and the lower end faces of the blocks can all be positioning grooves or positioning protrusions, so The lower end face of the blocks can also have both positioning grooves and positioning protrusions. When adjacent blocks are connected up and down, the positioning grooves or positioning protrusions on the upper end face of each body are used to face the lower end of the block above. The corresponding positioning protrusions or positioning grooves are adapted and connected, and the positioning grooves or positioning protrusions on the lower end face of each body are used to fit and connect with the positioning protrusions or positioning grooves corresponding to the upper end face of the block below to form a structural column. The upper end face of the uppermost block is not connected to other blocks, and the lower end face of the lowermost block is not connected to other blocks. The above setting method can better stack up and down, ensure stable connection, and facilitate up and down positioning. A structural column mold of standard size is formed to improve the forming quality of Ma Yacha; the structural column mold formed by the cooperation of the blocks will directly become a part of the structural column after pouring, and it does not need to be dismantled, saving the time of the construction process.

Preferably, the positioning grooves or the positioning protrusions are all strip-shaped structures, and the strip-shaped structures are respectively arranged along the upper and lower end surfaces of the corresponding plates 1, 2 and 3, and the strip-shaped structures The cross section of the structure is rectangular.

The above-mentioned setting method is adopted, that is, the upper and lower end faces of the first plate, the second plate and the third plate are in the shape of a groove, which effectively increases the contact area of the positioning groove and the positioning protrusion. When the blocks are stacked, the installation is more convenient and stable, and at the same time It is convenient to adjust the dislocation size of two adjacent blocks according to the size of the horse teeth.

Preferably, the positioning groove is an L-shaped notch on the corresponding end face, and the positioning protrusion is an L-shaped joint on the corresponding end face.

Both the positioning groove and the positioning protrusion are in the shape of an L-shaped groove, which is convenient for processing. At the same time, the L-shaped groove and the L-shaped groove are tightly combined, so that the positioning groove and the positioning protrusion can be matched. more stable.

Preferably, when the block is used to form the center column, the upper and lower end surfaces of the second plate are each provided with at least one tie bead groove.

When the blocks form the center column structure column mold, the center column structure column mold and the walls on both sides need to be connected together by steel bars to stabilize the entire wall structure. The central column structural column mold has grooves through which steel bars pass, which strengthens the fixing effect on the wall.

A block making device, comprising an inner support part, an outer hoop part, a first mold and a second mold, the first mold is used to connect the inner support part and/or the outer hoop part, and the second mold is used to connect all the parts. On the inner support part and/or the outer hoop part, the first mold is used to form the positioning groove, the second mold is used to shape the positioning protrusion, and the inner support part is detachably connected to the outer hoop part, so The inner support part and the outer hoop part can enclose a closed cavity, and the cavity is used in combination with the first mold or the second mold to form the blocks described above.

The block making device is used to make any one of the blocks described above, and the size of the block making device is determined by the standard size of the blocks, that is, the inner support part and the outer hoop part are determined. , the size of mold 1 and mold 2, and then make block making devices of different specifications, the block making device of each specification corresponds to the block of one specification, and each block making device can be manufactured in batches For the blocks of the same specification, the blocks are produced by the above-mentioned block making device, and the size of each of the blocks is related to the conventional size of the structural column, so that the structural column mold assembled by the blocks is more standard, that is, The size of the structural column casted by the structural column mold is more standard, that is, the horse teeth of the structural column are more standard, the quality is better, and it is more suitable for the wall.

Preferably, the inner support member includes a first template, a second template, a third template and a fourth template, the outer hoop member includes a template eight, a template nine and a template ten, the template one is arranged opposite the template eight, and the template The distance between the template 1 and the template 8 is adapted to the width of the plate 1, the template 2 and the template 9 are arranged opposite to each other, the distance between the template 2 and the template 9 is adapted to the width of the template 2, the template 3 It is arranged opposite to the template ten, and the distance between the template three and the template ten is adapted to the width of the plate three.

Preferably, the first mold is a bar-shaped member, the cross section of the first mold is rectangular, and the inner support part or the outer hoop part is connected to the first mold.

Preferably, the second mold is a bar-shaped member, the cross section of the second mold is rectangular, and the inner support part or the outer hoop part is connected to the second mold.

By arranging the first mold or the second mold, the top and bottom surfaces of the formed blocks can be formed into grooves, which is beneficial to reduce the types of molds, reduce costs, facilitate unified processing, and facilitate block installation.

Preferably, the upper and lower end surfaces of the template 2 are respectively provided with at least one mold 3, the upper and lower end surfaces of the template 9 are correspondingly provided with at least one clamping groove, and each of the mold 3 is provided with one of the clamping grooves. Adapter connection.

The shape and position of each of the clamping grooves are adapted to the shape and position of one of the molds 3, so as to form a tie bead groove after casting.

Preferably, the inner support part and the outer hoop part are both integrally formed aluminum alloy components.

Reduce block making equipment damage, reuse, save costs and resources.

A structural column mold, comprising at least two blocks as described above, all of the blocks are stacked and arranged to form a horse-toothed chalet structure, and the positioning groove of each block is connected to the adjacent block. The corresponding positioning protrusions of the blocks are fitted and connected. When the structural column used for forming is a central column, the opening directions of two adjacent blocks are arranged in the opposite direction; when the structural column used for forming is an end column, The opening directions of two adjacent blocks are arranged in the same direction.

The structural column mold sets blocks of corresponding size in the wall according to the size of the reserved horse teeth to form a horse teeth structure. Specifically, it is formed by stacking blocks of two lengths up and down in turn to generate a conventional standard. Structural columns, and compared with the structural columns that are temporarily made of wood planks, the above-mentioned structural columns manufactured by the structural column molds are more standardized in size and better in quality. The positioning grooves on two adjacent end faces and the corresponding positioning protrusions It is easy and compact to install, no additional connecting parts are needed, construction process is saved, and construction efficiency is improved. When the structural column formwork is installed, the walls on both sides can be built at the same time, and there is no need to disassemble after use, which reduces the time of the construction process, and is directly part of the structural column of the integrated wall, reducing the input and transportation of materials.

When the structural column used for forming is a central column, the opening directions of two adjacent blocks are arranged in the opposite direction, and the openings of the two adjacent blocks face the walls on both sides respectively, so that there are horse teeth on both sides. The structural column mold of the tie bar groove and the tie bar groove of the structural column mold is used to connect the walls on both sides through the tie bar groove of the structural column mold, and the middle column structural column is formed by pouring; when the structural column used for forming is an end column, the corresponding The openings of the two adjacent blocks are arranged in the same direction, the openings face the wall, and the positions of the two adjacent plates are flush. A structural column mold is used to manufacture an end structural column, wherein the end structural column is a structural column at both ends of an integral wall, wherein the end column structural column mold is connected to the wall on one side with a horse's tooth, and the other side is Flat wall ends.

To sum up, due to the adoption of the above-mentioned technical solutions, the beneficial effects of the present utility model are:

The blocks produced by the block making device can be combined into a structural column formwork. The structural column formwork is constructed synchronously with the masonry of the walls on both sides, and does not need to be disassembled after use, and is directly a part of the integral wall structural column. The block installation only requires one brush of plain cement slurry, and the construction is convenient, which not only saves the input of materials and the workload of template installation and dismantling, but also regulates the size of the structural column. On the premise of improving the appearance and forming quality of the structural column, the construction cost is reduced, the project construction progress is also accelerated, and the project quality is improved.

Description of drawings

Fig. 1 is the block structure schematic diagram one of embodiment 1;

Fig. 2 is the block structure schematic diagram two of embodiment 1;

Fig. 3 is the block structure schematic diagram one of embodiment 2;

Fig. 4 is the block structure schematic diagram two of embodiment 2;

5 is a schematic structural diagram one of the block making device of Example 3;

Fig. 6 is the second structural schematic diagram of the block making device of Example 3;

7 is a schematic structural diagram of an inner support member of the first structural schematic diagram of the block making device;

8 is a schematic structural diagram of an outer hoop component of the first structural schematic diagram of the block making device;

Fig. 9 is the structural representation of structural column end column mould in embodiment 4;

Fig. 10 is the structural representation of the post-in-column mould in the construction of Example 4;

Figure 11 is the connection diagram of the central column structural column mould and the wall;

Figure 12 is the connection diagram of the end column structure column mould and the wall.

Marking in the figure: 1-plate one, 2-plate two, 3-plate three, 4-positioning groove, 5-tie rib groove, 6-positioning protrusion, 7-mould one, 11-cavity, 12-mould Three, 13-card slot, 14-mould two, 21-template one, 22-template two, 23-template three, 24-template four, 31-template eight, 32-template nine, 33-template ten.

Detailed ways

The present utility model will be described in detail below in conjunction with the accompanying drawings.

In order to make the purpose, technical solutions and advantages of the present utility model more clearly understood, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, and are not used to limit the present invention.

Example 1

The utility model provides a block, comprising a body, the body comprises a plate 1, a plate 2 and a plate 3, the plate 1 1 and the plate 3 3 are arranged opposite to each other, and the two ends of the plate 2 2 are respectively connected One end of the plate one 1 and one end of the plate three 3, the body is an integrally formed member of the groove structure, and the upper part of at least one of the three items of the plate one 1, the plate two 2 and the plate three 3 is on the top. The end face is provided with a positioning groove 4 and/or a positioning protrusion 6, and the lower end face of at least one of the three items of the plate one 1, the plate two 2 and the plate three 3 is provided with a positioning groove 4 and/or a positioning protrusion 6, The positioning grooves 4 and the positioning protrusions 6 are used for positioning cooperation between blocks.

For example, the upper end surfaces of the first plate 1 and the third plate 3 are set as the positioning protrusions 6, and the lower end surfaces of the first plate 1 and the third plate 3 are set as the positioning grooves 4; For the positioning groove 4 , the upper end surface of the third plate 3 is set as the positioning protrusion 6 , the lower end surface of the plate one 1 is set as the positioning groove 4 , and the lower end surface of the third plate 3 is set as the positioning protrusion 6 .

In this embodiment, referring to Fig. 1 and Fig. 2, the blocks required for the end-construction column mold are provided. Referring to Fig. 1, the upper and lower end faces of the three items of plate one 1, plate two 2 and plate three 3 are provided with one Positioning groove 4, referring to FIG. 2, the upper and lower end faces of the plate one 1, the plate two 2 and the plate three 3 are all provided with a positioning protrusion 6, the positioning groove 4 or the positioning protrusion 6 is preferably It is a strip-shaped structure, and the strip-shaped structure is arranged along the upper and lower end surfaces of the corresponding plates 1 1, 2 and 3, respectively. The cross-section of the strip-shaped structure is rectangular, and the strip-shaped structure is convenient to manufacture. , the above-mentioned setting method is adopted, that is, the upper and lower end faces of the first plate 1, the second plate 2 and the third plate 3 are in the shape of a groove, which effectively increases the contact area of the positioning groove and the positioning protrusion, and the installation is more convenient when the blocks are stacked. It is stable and easy to adjust the dislocation size of two adjacent blocks according to the size of the horse's tooth. It can also be a cylindrical structure with cylindrical protrusions and corresponding cylindrical grooves, but the production is more complicated. The positioning groove 4 is an L-shaped notch on the corresponding end face, the positioning protrusion 6 is an L-shaped joint on the corresponding end face, and the L-shaped notch and the L-shaped interface are both groove-shaped. The positioning groove 4 and the positioning protrusion 6 are both L-shaped groove and mouth, which is convenient for processing. At the same time, the L-shaped groove and the L-shaped joint are closely combined, so that the positioning groove 4 and the positioning protrusion 6 cooperate with each other. More stable, the lateral dimension of the plate 1 of the block shown in Figure 1 is larger than the lateral dimension of the plate 1 of the block shown in Figure 2, and the lateral dimension of the plate 3 of the block shown in Figure 1 is larger than that of the block shown in Figure 2. Three 3 horizontal dimensions.

Example 2

The utility model provides the blocks required for the middle structural column mold, which is different from the blocks described in Embodiment 1 in that, referring to FIG. Positioning groove 4, referring to FIG. 4, the upper and lower end surfaces of the first plate 1 and the third plate 3 are provided with a positioning protrusion 6, and the upper and lower end surfaces of the second plate 2 are each provided with at least one tie-rib groove 5. In this embodiment, the upper and lower end surfaces of the plate 2 are provided with two tie-bar grooves 5 respectively, and the central column structural column mold and the walls on both sides need to be connected together by steel bars, so that the entire wall structure is stable. , Set the tie-bar groove 5 in the block, the tie-bar groove 5 is a slot reserved for the steel bar to pass through, so that the middle column structural column mold formed by the block has a groove for the steel bar to pass through, strengthening the opposite wall. body fixation. The number of the tie-bead grooves 5 is determined according to the thickness of the wall formed by the brick laying. When the thickness of the wall is 200mm, there are two tie-bead grooves 5 each. When the thickness of the wall is 300mm , there are three tie-bead grooves 5 each. Of course, the equivalent replacement of all the features of the blocks in the first embodiment can be used in the second embodiment. At the same time, the plate 1 of the block shown in FIG. The size is larger than the transverse dimension of the plate 1 1 of the block shown in FIG. 4 , and the transverse dimension of the plate 3 3 of the block shown in FIG. 3 is larger than the transverse dimension of the plate 3 3 of the block shown in FIG. 4 .

Example 3

The utility model provides a manufacturing device for the above-mentioned block, which comprises an inner support part, an outer hoop part, a mold one 7 and a mold two 14, and the inner support part and the outer hoop part are both integrally formed aluminum alloy components, To reduce the possibility of damage to the block making device, it can also be an integrally formed stainless steel component. The mold one 7 is used to connect the inner support part and/or the outer hoop part, and the mold two 14 On the inner support member and/or the outer hoop member, the first mold 7 is used to form the positioning groove 4, and the second mold 14 is used to mold the positioning protrusion 6, and the inner support member is detachably connected to the outer hoop member. Inside, the inner support part and the outer hoop part can enclose a closed cavity 11, and the cavity 11 is used for forming the above-mentioned blocks.

The inner support part includes a template one 21, a template two 22, a template three 23 and a template four 24, the outer hoop part includes a template eight 31, a template nine 32 and a template ten 33, the template one 21 and the template eight 31 are arranged oppositely, the spacing between the template one 21 and the template eight 31 is adapted to the width of the plate one 1, the template two 22 and the template nine 32 are arranged opposite, the template two 22 and the template nine 32 The distance between the template three 23 and the template ten 33 is arranged opposite to the width of the plate two 2, and the distance between the template three 23 and the template ten 33 is adapted to the width of the plate three 3.

The mold one 7 is a bar-shaped member, the cross-section of the mold one 7 is a rectangle, and the inner support part or the outer hoop part is connected to the mold one 7; the mold two 14 is a bar-shaped member, and the mold two The section 14 is rectangular, and the inner support part or the outer hoop part is connected to the second mold 14 . By arranging the first mold 7 or the second mold 14, the top and bottom surfaces of the formed blocks can be formed into grooves, which is beneficial to reduce the types of molds, reduce costs, facilitate unified processing, and facilitate block installation.

In this embodiment, a device for making the blocks described in the first embodiment is provided, which is used to make the blocks required for the end column structural column mold. When making the blocks shown in FIG. 1 , the mold one 7 is a bar-shaped member, The cross section of the mold one 7 is a rectangle, and the inner support part is connected to the mold one 7; when making the block shown in FIG. 2 , the mold two 14 is a bar-shaped member, and the cross section of the mold two 14 is a rectangle. , the outer hoop part is connected to the second mold 14 .

In this embodiment, a device for making the blocks described in the second embodiment is provided, which is used for making the blocks required for the mold of the central column structure. The upper and lower end faces of the template nine 32 are correspondingly provided with two card slots 13 , and each of the third molds 12 is adapted to connect with one of the card slots 13 . The tie bead grooves 5 used to make the blocks described in Example 2, when making the blocks shown in FIG. 3 , the mold one 7 is a bar-shaped member, and the cross section of the mold one 7 is a rectangle, so the The inner support part is connected to the mold one 7; when the block shown in FIG. 4 is made, the mold two 14 is a bar-shaped member, the cross section of the mold two 14 is rectangular, and the outer hoop part is connected to the mold two. 14.

Example 4

The utility model provides a structural column mold, which includes at least two of the above-mentioned blocks, and two adjacent blocks are stacked and arranged, and the positioning groove 4 of each of the blocks is connected with the adjacent blocks. Correspondingly, the positioning protrusions 6 are adapted and connected, and are stacked up and down to form a structural column mold with a horse's tooth. When the structural column used for molding is a central column, the opening directions of two adjacent blocks are set opposite to each other. ; When the structural column used for forming is an end column, the opening directions of two adjacent blocks are arranged in the same direction.

In this embodiment, when the structural column used for forming is a central column, referring to FIGS. 10 and 11 , the three blocks in Embodiment 2 are used, including two blocks shown in FIG. 3 and one block shown in FIG. 4 . The positioning groove 4 of the block shown in FIG. 3 is fitted with the positioning protrusion 6 of the block shown in FIG. 4, and the opening direction of the block shown in FIG. 3 is opposite to the opening direction of the block shown in FIG. 4. , stacked up and down to form a central column structure column mold with horse teeth on both sides and a tie-rib groove.

In this embodiment, when the structural column used for forming is an end column, referring to FIG. 9 and FIG. 12 , the three blocks in Embodiment 1 are used, including two blocks shown in FIG. 1 and one block shown in FIG. 2 . The positioning groove 4 of the block shown in FIG. 1 is adapted to connect with the positioning protrusion 6 of the block shown in FIG. 2, and the opening direction of the block shown in FIG. 3 is the same as that of the block shown in FIG. 4. , superimposed up and down to form an end column structure column mold with horse teeth on one side of the opening and a smooth surface on the other side.

The utility model provides a block, a block making device and a structural column mold. The block making device produces the above-mentioned three blocks, and each of the positioning grooves 4 has a corresponding positioning The protrusions 6 are brushed on all the positioning grooves 4 of one block and all the positioning protrusions 6 of the other block. When the two blocks are superimposed up and down, the positioning is The grooves 4 and the positioning protrusions 6 are in one-to-one correspondence and cooperate with each other to form a structural column mold.

When the structural column mold is used, the structural column mold is constructed synchronously with the masonry of the walls on both sides, and does not need to be disassembled after use, and is directly a part of the structural column of the integrated wall. The block installation only requires one brush of plain cement slurry, and the construction is convenient, which not only saves the input of turnover materials and the workload of template installation and dismantling, but also regulates the size of the structural column. On the premise of improving the appearance and forming quality of the structural column, the construction cost is reduced, the construction progress of the project is also accelerated, and the project quality is improved.

The above are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention shall be included in the present invention. within the scope of protection of the utility model.

Claims (10)

1. The building block is characterized by comprising a body, wherein the body comprises a first plate (1), a second plate (2) and a third plate (3), the first plate (1) and the third plate (3) are oppositely arranged, two ends of the second plate (2) are respectively connected with one end of the first plate (1) and one end of the third plate (3), the body is an integrally formed component of a groove-shaped structure, positioning grooves (4) and/or positioning protrusions (6) are arranged on the upper end face of at least one of the first plate (1), the second plate (2) and the third plate (3), and positioning grooves (4) and/or positioning protrusions (6) are arranged on the lower end face of at least one of the first plate (1), the second plate (2) and the third plate (3).

2. The block according to claim 1, characterized in that the positioning groove (4) or the positioning protrusion (6) is a bar structure, the bar structure is respectively arranged along the upper end face and the lower end face of the corresponding plate I (1), plate II (2) and plate III (3), and the cross section of the bar structure is rectangular.

3. The block according to claim 2, characterized in that said positioning groove (4) is an L-shaped notch at the corresponding end face and said positioning projection (6) is an L-shaped joint at the corresponding end face.

4. A block as claimed in any one of claims 1 to 3, wherein the upper and lower end faces of the second panel (2) are each provided with at least one tie bar groove (5) when the block is used to form a king post.

5. A block making device, characterized by comprising an inner supporting component, an outer hoop component, a first mold (7) and a second mold (14), wherein the first mold (7) is used for connecting the inner supporting component and/or the outer hoop component, the second mold (14) is used for connecting the inner supporting component and/or the outer hoop component, the first mold (7) is used for forming a positioning groove (4), the second mold (14) is used for forming a positioning protrusion (6), the inner supporting component is detachably connected in the outer hoop component, the inner supporting component and the outer hoop component can enclose a closed cavity (11), and the cavity (11) is combined with the first mold (7) or the second mold (14) for forming a block as claimed in any one of claims 1-4.

6. A block making device according to claim 5, wherein said inner bracing member comprises a first form (21), a second form (22), a third form (23) and a fourth form (24), said outer hoop member comprises a first form (31), a ninth form (32) and a tenth form (33), said first form (21) is disposed opposite said eighth form (31), the spacing of said first form (21) from said eighth form (31) accommodates the width of the first form (1), said second form (22) is disposed opposite said ninth form (32), the spacing of said second form (22) from said ninth form (32) accommodates the width of the second form (2), said third form (23) is disposed opposite said tenth form (33), and said third form (23) from said tenth form (33) accommodates the width of the third form (3).

7. A block making device according to claim 6, wherein said first mold (7) is a bar-shaped member, said first mold (7) has a rectangular cross section, and said inner support member or outer hoop member is connected to said first mold (7).

8. The block making device according to claim 6, characterized in that the upper and lower end surfaces of the second formwork (22) are respectively provided with at least one third mould (12), the corresponding upper and lower end surfaces of the ninth formwork (32) are respectively provided with at least one clamping groove (13), and each third mould (12) is in adaptive connection with one clamping groove (13).

9. A block making device as claimed in any one of claims 5 to 8, wherein said inner bracing member and said outer hoop member are integrally formed aluminium alloy members.

10. A constructional column mould, comprising at least two blocks as claimed in any one of claims 1 to 4, wherein all the blocks are stacked to form a zigzag structure, the positioning groove (4) of each block is adapted to be connected with the corresponding positioning protrusion (6) of the adjacent block, and when the constructional column for forming is a central column, the opening directions of the adjacent two blocks are oppositely arranged; when the constructional columns used for forming are end columns, the opening directions of two adjacent building blocks are arranged in the same direction.

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