WO2023115395A1

WO2023115395A1 - Water-side ecological flood wall structure, and construction method therefor

Info

Publication number: WO2023115395A1
Application number: PCT/CN2021/140538
Authority: WO
Inventors: 覃辉煌; 余奇友; 薛忠强; 李培霞; 彭海林; 何庚泉
Original assignee: 深圳市东深工程有限公司
Priority date: 2021-12-20
Filing date: 2021-12-22
Publication date: 2023-06-29
Also published as: CN114197387A; CN114197387B

Abstract

A water-side ecological flood wall structure and a construction method therefor. The water-side ecological flood wall structure comprises a wall body (1), wherein the wall body (1) is detachably connected to several positioning blocks (2); an upper end portion of the wall body (1) is provided with several limiting slots (3); a lower end portion of each positioning block (2) is fixedly provided with a limiting block (4) adapted to the limiting slot (3); an upper end portion of the positioning block (2) is provided with a positioning slot (5) that is the same size as the limiting slot (3); the positioning block (2) is provided with a first transverse hole (6) in communication with the positioning slot (5); the first transverse hole (6) is internally provided with a limiting rod (7) adapted to the first transverse hole (6); the limiting block (4) is provided with a recess hole (8) adapted to the limiting rod (7); the upper end portion of the wall body (1) is provided with several second transverse holes (9) in communication with the limiting slots (3); and each second transverse hole (9) is internally provided with a transverse rod (10) adapted to the second transverse hole (9), and the transverse rod (10) is adapted to the recess hole (8). The positioning blocks (2) can be mounted at a height corresponding to the height at which a water level rises, which guarantees that a flood will not flow over the top row of positioning blocks (2), thereby improving the applicability of flood walls.

Description

A waterside ecological flood control wall structure and its construction method

technical field

The invention relates to the field of water conservancy projects, in particular to an ecological flood control wall structure on the water side and a construction method thereof.

Background technique

In construction engineering, the flood control wall is a relatively common building used to block river water or overflowing river water. It is generally installed around rivers to ensure the flood control safety of buildings along rivers and coastal areas. There are many forms of flood control walls, including right-angle flood control walls and frame flood control walls.

In a common related technology, a new type of flood control wall for water conservancy projects is proposed, including a wall, a positioning groove is provided on the front surface of the wall, and a positioning strip matching the positioning groove is provided on the rear end surface of the wall. A support end is provided in the middle of the right side of the wall, and the support end is arranged obliquely downward. The end of the support end away from the wall has a concave hole, and an oblique support assembly is fitted in the concave hole. A connecting piece is arranged on the right side of the wall near the front and rear ends, and the connecting piece has a connecting hole. Reinforcing plates are arranged at the bottom positions of the left and right sides of the wall, and the reinforcing plates are integrated with the wall.

However, for the above related technologies, in actual use, the height of the flood control wall is relatively fixed. Therefore, when there is a flood natural disaster, as the flood water level rises, the flood will easily overflow the upper end of the wall, making the flood control effect of the flood control wall poor.

Contents of the invention

In order to improve the applicability of the flood control wall, the application provides a structure of an ecological flood control wall on the water side and a construction method thereof.

In the first aspect, the application provides a waterside ecological flood control wall structure, adopting the following technical scheme:

An ecological flood control wall structure on the water side, comprising a wall, the wall is detachably connected with a number of positioning blocks, the upper end of the wall is provided with a number of limiting grooves, and the lower end of the positioning block is fixed with a The matching limit block, the upper end of the positioning block is provided with a positioning groove with the same size as the limit groove, the positioning block is provided with a first horizontal hole connected with the positioning groove, and the first horizontal hole is provided with a hole that matches the first horizontal hole. The limit rod, the limit block is provided with a concave hole matching the limit rod, the upper end of the wall is provided with a number of second horizontal holes connected with the limit groove, and the second horizontal hole is provided with the second horizontal hole. A cross bar that fits the cross hole, and a cross bar that fits the recessed hole.

By adopting the above technical scheme, when the height of the flood water level rises, install the limit blocks of the first row of positioning blocks in the limit groove, and then insert the cross bar through the second horizontal hole into the concave hole to realize the first row of positioning Connections between blocks and walls. As the water level continues to rise, insert the limit block of the second row of positioning blocks into the corresponding positioning groove of the first row, and then insert the limit rod through the first horizontal hole into the concave hole to realize the second row of positioning blocks The connection with the first row of positioning blocks can then install corresponding height positioning blocks according to the height of the water level rise, so as to ensure that the flood does not overflow the uppermost row of positioning blocks and improve the applicability of the flood control wall.

Optionally, one side of the positioning block is provided with a trapezoidal groove along the height direction, and the side of the positioning block away from the trapezoidal groove is fixed with a trapezoidal block matching the trapezoidal groove.

By adopting the above technical scheme, when each row of positioning blocks is installed, between two adjacent positioning blocks, the trapezoidal block on one of the positioning blocks is inserted into the trapezoidal groove of the other positioning block, which strengthens the positioning in the horizontal direction. The stability of the connection between the blocks is conducive to improving the flood control effect of the flood control wall.

Optionally, the lower end of the positioning block is provided with a first connecting groove, the upper end of the positioning block and the upper end of the wall are provided with a second connecting groove, the positioning block is connected with a connecting rod, and the connecting rod is connected with the first connecting groove and the second connecting groove. The two connecting grooves are compatible, the positioning block is provided with a first transverse groove communicating with the first connecting groove, the positioning block and the wall are provided with a second transverse groove communicating with the second connecting groove, and one end of the connecting rod is fixed There is a first cross block matching with the first cross groove, and the other end of the connecting rod is fixed with a second cross block fitting with the second cross groove.

By adopting the above technical solution, by setting the connecting rod, the first horizontal block and the second horizontal block, it is convenient to strengthen the connection stability between the two positioning blocks and the connection stability between the positioning block and the wall in the vertical direction , which is conducive to improving the overall stability of the flood control wall.

Optionally, steel pipes are fixed in the first horizontal groove and the second horizontal groove, and the first horizontal block and the second horizontal block are provided with through holes matching the steel pipes, and the steel pipes are threadedly connected with positioning bolts. The positioning bolts are provided with nuts, and the first cross block and the second cross block are both provided with countersunk grooves matching the nuts.

By adopting the above technical scheme, by arranging steel pipes and positioning bolts, it is convenient to improve the connection and fastening effect of the connecting rod on the positioning block and the wall, prevent the connecting rod, the first horizontal block and the second horizontal block from slipping out, and help improve the flood control wall. overall stability.

Optionally, both the lower end surface of the positioning block and the limiting block are fixedly connected with a gasket.

By adopting the above technical solution, the sealing gasket facilitates the improvement of the sealing performance of the connection between two adjacent positioning blocks in the vertical direction, and also improves the sealing performance of the connection between the bottom row of positioning blocks and the upper end surface of the wall.

Optionally, both the limiting rod and the cross bar are fixed with a first magnetic attraction part, and a second magnetic attraction part is fixed in the concave hole to be attracted to the first magnetic attraction part.

By adopting the above technical solution, when the limit rod is inserted into the concave hole, and when the cross bar is inserted into the concave hole, the first magnetic attraction part and the second magnetic attraction part are attracted, which is beneficial to improve the connection between the limit rod and the limit block Tightness, and improve the fastness of the connection between the cross bar and the limit block.

Optionally, concrete reinforcing platforms are fixed on both sides of the wall.

By adopting the above technical scheme, the concrete reinforcement platform is convenient to improve the stability and strength of the wall body, thereby improving the flood control effect of the flood control wall.

Optionally, the concrete reinforcement platform is provided with steps.

By adopting the above technical solution, the ladder is convenient for construction workers to move to the upper end of the wall to install the positioning block.

In the second aspect, the application provides a construction method for an ecological flood control wall structure on the water side, and adopts the following technical scheme:

A construction method of an ecological flood control wall structure on the water side, comprising: when the water level is about to rise to the position of the upper end surface of the wall, placing the first row of positioning blocks along the length direction of the wall, and installing the limiting blocks to the limit Insert the cross bar into the concave hole through the second horizontal hole to realize the connection between the first row of positioning blocks and the wall; insert the limit block of the second row of positioning blocks into the corresponding first row of positioning blocks. In the positioning groove of the block, then insert the limit rod through the first horizontal hole into the concave hole to realize the connection between the second row of positioning blocks and the first row of positioning blocks.

In summary, the present application includes at least one of the following beneficial technical effects:

1. When the height of the flood water level rises, install the first row of positioning blocks into the limit groove, and then insert the cross bar through the second horizontal hole into the concave hole to realize the first row of positioning blocks and the wall. The connection between them; as the water level continues to rise, insert the limit block of the second row of positioning blocks into the corresponding positioning groove of the first row, and then insert the limit rod through the first horizontal hole into the concave hole to realize The connection between the second row of positioning blocks and the first row of positioning blocks, and then according to the height of the rising water level, positioning blocks of corresponding heights can be installed to ensure that the flood does not overflow the upper row of positioning blocks, which improves the applicability of the flood control wall;

2. When each row of positioning blocks is installed, between two adjacent positioning blocks, the trapezoidal block on one of the positioning blocks is inserted into the trapezoidal groove of the other positioning block, which strengthens the gap between the positioning blocks in the horizontal direction. The connection stability is conducive to improving the flood control effect of the flood control wall;

3. By setting steel pipes and positioning bolts, it is convenient to improve the connection and fastening effect of the connecting rod to the positioning block and the wall, prevent the connecting rod, the first horizontal block and the second horizontal block from slipping out, and help improve the overall stability of the flood control wall .

Description of drawings

Fig. 1 is a schematic diagram of the overall structure of an ecological flood control wall structure on the water side according to an embodiment of the present application.

Fig. 2 is a schematic diagram of the exploded structure of the positioning block and the wall.

FIG. 3 is an enlarged schematic view of part A in FIG. 1 .

Fig. 4 is intended to highlight the connection schematic diagram between the steel pipe and the first horizontal block and the second horizontal block.

Explanation of reference signs: 1, wall body; 2, positioning block; 3, limiting groove; 4, limiting block; 5, positioning groove; 6, first horizontal hole; 7, limiting rod; 8, concave hole; 9. The second horizontal hole; 10. The cross bar; 11. The trapezoidal groove; 12. The trapezoidal block; 13. The first connecting groove; 14. The second connecting groove; 15. The connecting rod; 16. The first horizontal groove; 17. The second horizontal groove; 18, the first horizontal block; 19, the second horizontal block; 20, the steel pipe; 21, the through hole; 22, the positioning bolt; 23, the nut; 24, the countersunk groove; 25, the gasket; 28 , Concrete reinforced platform; 29, Ladder.

Detailed ways

The application will be described in further detail below in conjunction with all the accompanying drawings.

The embodiment of the present application discloses an ecological flood control wall structure on the water side.

Example

Referring to Fig. 1 and Fig. 2, an ecological flood control wall structure on the water side includes a wall body 1, the wall body 1 is in the shape of a cuboid as a whole, and is made of reinforced concrete. The wall 1 is fixed to the ground. In some embodiments, when the wall 1 is fixed to the ground, a foundation pit is dug on the ground, and then the lower end of the wall 1 is buried in the foundation pit, and then concrete slurry is poured into the foundation pit After the concrete slurry is solidified, the wall body 1 is fixed to the ground. In some embodiments, the wall body 1 can also have other shapes, for example, a certain curved shape according to the terrain. The wall body 1 is detachably connected with a plurality of positioning blocks 2 . Also can be on the basis of existing body of wall 1, on the upper end of body of wall 1, offer the slot or the hole that matches and connects with positioning block 2. The upper end of the wall body 1 is provided with a plurality of limiting grooves 3 , and the lower end of the positioning block 2 is fixed with a limiting block 4 matching the limiting grooves 3 . In use, when the flood water level rises and the water level is about to rise to the position of the upper end face of the wall 1, the construction personnel will place the first row of positioning blocks 2 along the length direction of the wall 1, and place the limit position on the positioning block 2 The block 4 is installed in the limiting groove 3 of the body of wall 1 .

Referring to Fig. 1 and Fig. 2, the upper end of the wall body 1 is provided with a plurality of second transverse holes 9 communicating with the limiting groove 3 along the length direction. The cross bar 10, the limit block 4 is provided with the concave hole 8 that is suitable for the cross bar 10. The construction workers then insert the cross bar 10 into the concave hole 8 of the positioning block 4 through the second horizontal hole 9 to realize the connection between the first row of positioning blocks 2 and the wall body 1 .

Referring to Figure 2 and Figure 3, the upper end of the positioning block 2 is provided with a positioning groove 5 having the same size as the limiting groove 3, and the positioning block 2 is provided with a first horizontal hole 6 communicating with the positioning groove 5, and in the first horizontal hole 6 A limit rod 7 matching the first horizontal hole 6 is installed, and the limit rod 7 is compatible with the concave hole 8 . As the water level continues to rise, construction workers place the second row of positioning blocks 2 along the length of the wall 1, and insert the limiting blocks 4 of the second row of positioning blocks 2 into the corresponding positioning slots 5 of the first row of positioning blocks 2 Inside, the limiting rod 7 is inserted into the concave hole 8 of the second row of limiting blocks 4 through the first horizontal hole 6 to realize the connection between the second row of positioning blocks 2 and the first row of positioning blocks 2 .

Referring to FIG. 2 and FIG. 3 , both the limiting rod 7 and the cross bar 10 can be inserted into the concave hole 8 . In some embodiments, both the limit rod 7 and the cross bar 10 are fixed with a first magnetic attraction part, and a second magnetic attraction part is fixed in the concave hole 8, so that the first magnetic attraction part and the second magnetic attraction part are adsorbed, Thereby, the tightness of connection between the limiting rod 7 and the limiting block 4 and between the cross bar 10 and the limiting block 4 are improved, so as to prevent the limiting rod 7 and the cross bar 10 from slipping out.

With reference to Fig. 1 and Fig. 2, according to the height that water level rises, can place the positioning block 2 of corresponding height, make the height of upper end surface of top row positioning block 2 be greater than water level height, guarantee flood can not overflow top row positioning block 2, further Improve the flood control effect of the flood control wall. The height of the flood control wall can be adjusted according to the water level, which improves the applicability of the flood control wall. The lower end surface of the positioning block 2 and the limiting block 4 are all fixedly connected with a gasket 25, so as to improve the connection tightness between two adjacent positioning blocks 2 in the vertical direction, and at the same time improve the connection between the bottom row of positioning blocks 2 and the wall 1. The tightness of the connection between the upper end surfaces reduces the water seeping between the positioning blocks 2 and improves the use effect of the flood control wall.

Referring to FIG. 3 and FIG. 4 , the lower end of the positioning block 2 is provided with a first connecting groove 13 , and the upper end of the positioning block 2 and the upper end of the wall body 1 are both provided with a second connecting groove 14 . The positioning block 2 is connected with a connecting rod 15, and the connecting rod 15 is adapted to the first connecting groove 13 and the second connecting groove 14, and the upper end of the connecting rod 15 is adapted to the first connecting groove 13, and the lower end of the connecting rod 15 Compatible with the second connecting groove 14 . After the positioning block 2 is installed, the construction workers then install the connecting rod 15 so that the two ends of the connecting rod 15 are located in the first connecting groove 13 and the second connecting groove 14 respectively.

Referring to Figures 3 and 4, the positioning block 2 is provided with a first transverse groove 16 communicating with the first connecting groove 13, and one end of the connecting rod 15 is fixed with a first transverse block 18 matching the first transverse groove 16 . The positioning block 2 and the wall body 1 are provided with a second transverse groove 17 communicating with the second connecting groove 14 , and the other end of the connecting rod 15 is fixed with a second transverse block 19 matching the second transverse groove 17 . Construction workers then place the first horizontal block 18 on the connecting rod 15 in the first horizontal groove 16 , and place the second horizontal block 19 in the second horizontal groove 17 . The connecting rod 15 , the first horizontal block 18 and the second horizontal block 19 can strengthen the connection stability between the two positioning blocks 2 and the connection stability between the positioning block 2 and the wall body 1 in the vertical direction.

Referring to Fig. 3 and Fig. 4, steel pipes 20 are fixed in the first transverse groove 16 and the second transverse groove 17, and the first transverse block 18 and the second transverse block 19 are provided with through holes 21 matching with the steel pipe 20. . The steel pipe 20 can pass through the through holes 21 on the first horizontal block 18 and the second horizontal block 19 . The steel pipe 20 is threadedly connected with a positioning bolt 22, and the positioning bolt 22 can be threadedly connected with the steel pipe 20, so that the connection between the first horizontal block 18 and the positioning block 2 is relatively tight, and also the second horizontal block 19 is connected to the positioning block 2 or the wall. The connection between body 1 is relatively tight.

Referring to FIG. 3 and FIG. 4 , the positioning bolt 22 is provided with a nut 23 , and the first horizontal block 18 and the second horizontal block 19 are both provided with countersunk grooves 24 adapted to the nut 23 . When the positioning bolt 22 is screwed into the limit position, the nut 23 is located in the countersunk groove 24 . The steel pipe 20 and the positioning bolt 22 improve the fastening effect of the connecting rod 15 on the positioning block 2 and the wall 1, and prevent the connecting rod 15, the first horizontal block 18 and the second horizontal block 19 from slipping out.

Referring to Fig. 2 and Fig. 3, when the positioning block 2 of each row is installed, one side of the positioning block 2 is provided with a trapezoidal groove 11 along the height direction, and the side of the positioning block 2 away from the trapezoidal groove 11 is fixed with a trapezoidal groove 11 along the height direction. The trapezoidal groove 11 is matched with the trapezoidal block 12 . When installing the positioning blocks 2 of each row, the trapezoidal block 12 on one of the positioning blocks 2 is inserted into the trapezoidal groove 11 of the other positioning block 2 along the height direction. In this way, two adjacent positioning blocks 2 are limited in the horizontal direction, and the connection stability between the positioning blocks 2 is strengthened in the horizontal direction, so as to improve the flood control effect of the flood control wall.

Referring to Fig. 3 and Fig. 4, when the water level drops, when the positioning block 2 is disassembled, the positioning bolt 22 is separated from the steel pipe 20 first, and then the connecting rod 15 is removed. When disassembling each row of positioning blocks 2, slide the positioning blocks 2 upward along the height direction, and the trapezoidal blocks 12 of two adjacent positioning blocks 2 in the horizontal direction are separated from the trapezoidal grooves 11, thereby realizing the positioning of two adjacent positioning blocks in the horizontal direction. Block 2 disassembly. Then the cross bar 10 (referring to FIG. 2 ) and the stop rod 7 are pulled out, and then the positioning block 2 is taken off, so that the height of the flood control wall can be reduced.

Referring to FIG. 1 , in some embodiments, concrete reinforcing platforms 28 may also be fixedly arranged on both sides of the wall body 1 . The concrete reinforcement platform 28 is made of reinforced concrete, and is in the shape of a triangular prism as a whole and is fixed to the wall body 1 . In some embodiments, the concrete reinforcement platform 28 is provided with a step 29, which is convenient for construction personnel to move to the upper end of the wall 1 to install and remove the positioning block 2. The concrete reinforcement platform 28 can improve the stability and strength of the wall body 1, thereby improving the flood control effect of the flood control wall.

The implementation principle of an ecological flood control wall on the water side in the embodiment of the present application is: when the flood water level rises and the water level is about to rise to the position of the upper end surface of the wall 1, the construction personnel place the first row of positioning blocks 2 along the wall 1 Place it in the lengthwise direction, and install the limiting block 4 on the positioning block 2 into the limiting groove 3 of the wall body 1. The construction personnel then insert the cross bar 10 into the concave hole 8 of the positioning block 4 through the second horizontal hole 9 to realize the connection between the first row of positioning blocks 2 and the body of wall 1; when the water level continues to rise, the construction personnel will The second row of positioning blocks 2 is placed along the length direction of the wall body 1, insert the limiting block 4 of the second row of positioning blocks 2 into the corresponding positioning groove 5 of the first row of positioning blocks 2, and then pass the limiting rod 7 The first horizontal hole 6 is inserted into the concave hole 8 of the second row of positioning blocks 4 to realize the connection of the second row of positioning blocks 2 and the first row of positioning blocks 2 . According to the rising height of the water level, the positioning block 2 of the corresponding height is placed, so that the height of the upper end surface of the uppermost positioning block 2 is greater than the water level height, and the height of the flood control wall can be adjusted according to the water level, which improves the applicability of the flood control wall.

The embodiment of the present application also discloses a construction method of the ecological flood control wall structure on the water side.

A construction method for an ecological flood control wall structure on the water side, comprising: when the water level is about to rise to the position of the upper end surface of the wall 1, placing the first row of positioning blocks 2 along the length direction of the wall, and placing the limiting blocks 4 Installed in the limit groove 3, then the cross bar 10 is inserted into the concave hole 8 through the second horizontal hole 9 to realize the connection between the first row of positioning blocks 2 and the wall 1; the second row of positioning blocks 2 The positioning block 4 is inserted into the positioning groove 5 corresponding to the first row of positioning blocks 2, and then the positioning rod 7 is inserted into the concave hole 8 through the first horizontal hole 6 to realize the positioning of the second row of positioning blocks 2 and the first row. Block 2 connections.

All of the above are preferred embodiments of the application, and are not intended to limit the protection scope of the application. Therefore, all equivalent changes made according to the structure, shape, and principle of the application should be covered by the protection scope of the application. Inside.

Claims

An ecological flood control wall structure on the water side, comprising a wall (1), characterized in that: the wall (1) is detachably connected with a number of positioning blocks (2), and the upper end of the wall (1) is provided with a number of limiting The positioning slot (3), the lower end of the positioning block (2) is fixed with a positioning block (4) matching the positioning slot (3), and the upper end of the positioning block (2) is provided with a positioning slot (3) For positioning grooves (5) of the same size, the positioning block (2) is provided with a first horizontal hole (6) communicating with the positioning groove (5), and the first horizontal hole (6) is provided with a ), the limit block (4) is provided with a concave hole (8) compatible with the limit rod (7), and the upper end of the wall (1) is provided with a number of The groove (3) is connected to the second horizontal hole (9), and the second horizontal hole (9) is provided with a crossbar (10) matching the second horizontal hole (9), and the crossbar (10) is connected with the concave The holes (8) are compatible.
The ecological flood control wall structure on the water side according to claim 1, characterized in that: one side of the positioning block (2) is provided with a trapezoidal groove (11) along the height direction, and the positioning block (2) is away from the trapezoidal groove One side of (11) is fixed with the trapezoidal block (12) that matches with trapezoidal groove (11).
The ecological flood control wall structure on the water side according to claim 1, characterized in that: the lower end of the positioning block (2) is provided with a first connecting groove (13), and the upper end of the positioning block (2) and the wall (1) The upper end is provided with a second connecting groove (14), the positioning block (2) is connected with a connecting rod (15), and the connecting rod (15) is connected with the first connecting groove (13) and the second connecting groove (14) Compatible, the positioning block (2) is provided with the first transverse groove (16) that communicates with the first connecting groove (13), and the positioning block (2) and the body of wall (1) are provided with the second connecting groove (14) ) connected to the second transverse groove (17), one end of the connecting rod (15) is fixed with a first transverse block (18) matching the first transverse groove (16), and the other end of the connecting rod (15) A second horizontal block (19) matching the second horizontal groove (17) is fixedly provided.
The ecological flood control wall structure on the water side according to claim 3, characterized in that: steel pipes (20) are fixed in the first horizontal groove (16) and the second horizontal groove (17), and the first Cross block (18) and the second cross block (19) all offer the through hole (21) that matches with steel pipe (20), and steel pipe (20) is threadedly connected with set bolt (22), and set bolt (22) is set There is a nut (23), and the first horizontal block (18) and the second horizontal block (19) are all provided with countersunk grooves (24) matched with the nut (23).
The ecological flood control wall structure on the water side according to claim 1, characterized in that: the lower end surface of the positioning block (2) and the limiting block (4) are fixedly connected with a sealing gasket (25).
The ecological flood control wall structure on the water side according to claim 1, characterized in that: both the limit rod (7) and the cross bar (10) are fixed with a first magnetic attraction part, and the concave hole (8) The second magnetic attraction part is fixed inside and adsorbed to the first magnetic attraction part.
The ecological flood control wall structure on the water side according to claim 1, characterized in that: both sides of the wall (1) are fixed with concrete reinforcement platforms (28).
The ecological flood control wall structure on the water side according to claim 7, characterized in that: the concrete reinforcement platform (28) is provided with a ladder (29).
A construction method for the ecological flood control wall structure on the waterfront side according to any one of claims 1 to 8, characterized in that: when the water level is about to rise to the position of the upper end surface of the wall (1), the first row is positioned The block (2) is placed along the length direction of the wall, the limit block (4) is installed in the limit groove (3), and then the cross bar (10) is inserted into the concave hole (8) through the second horizontal hole (9). ) to realize the connection between the first row of positioning blocks (2) and the wall (1); insert the limiting block (4) of the second row of positioning blocks (2) into the corresponding first row of positioning blocks (2) In the positioning slot (5), then insert the limit rod (7) through the first horizontal hole (6) into the concave hole (8), so that the second row of positioning blocks (2) and the first row of positioning blocks (2) )Connection.