CN217517862U - Assembled L shape post and ecological interior wall self-tapping nail cluster connection structure - Google Patents

Abstract

The utility model discloses an assembled L-shaped column and an ecological inner wall self-tapping nail aggregate block connection structure, which is used for the assembly of the same-layer ecological inner wall panel and the L-shaped column in a multi-storey building that is subjected to a large earthquake. The self-tapping screw block is composed of a hollow grooved force transmission steel plate and a convex connecting steel plate welded on the L-shaped column and the frame column of the ecological wall panel. The flange of the force steel plate is formed by self-tapping connection, and there is friction and occlusal force between the connecting steel plate and the force-transmitting steel plate; the pre-embedded anchoring ring reinforcement in the ecological inner wall and the L-shaped column extends into the construction joint and is filled with steel reinforcement and cement-based grouting material. Pouring strips; prefabricated wall panels can be pushed in along the axis or in the vertical direction, with low assembly difficulty; self-tapping screw block connection solves the problem of connecting L-shaped columns and inner wall frame columns, and the continuous force transmission structure formed by perfusion strips improves the connection integrity. The invention has the technical advantages of high-efficiency force bearing in combined connection, less wet operation, and good sound insulation and waterproofing of buildings.

Description

A connection structure of assembled L-shaped column and ecological interior wall self-tapping nail block

technical field

The utility model relates to an assembled L-shaped column and an ecological inner wall self-tapping nail aggregate block connection structure, which belongs to the technical field of assembled concrete building structure engineering.

Background technique

At present, the construction technology of low-storey and ultra-low energy consumption houses in villages and towns, especially the construction technology of prefabricated ultra-low energy consumption and low-storey houses, is very lacking. The technical bottlenecks existing in the existing technology are:

(1) In the traditional prefabricated shear wall structure, integral joints are generally used between adjacent shear walls in floors, and the constraining edge members and structural edge members at the junction of longitudinal walls or transverse walls are all cast-in-place construction. This assembly method has a large amount of wet work, low assembly rate, slow construction speed, inflexible building wall layout, and environmental pollution problems such as large construction waste discharge and high noise during the construction process. (2) The traditional prefabricated shear wall structure is limited by the shape and size of the wall panels produced by standardization, the flexibility of the space layout is poor, the assembly difficulty is high, and it is difficult to meet the complex functional division of residential, office and other buildings. (3) The traditional shear wall steel plate bolt connection technology is not suitable for the assembly of ecological interior walls with reinforced concrete sashes, because if the adjacent transverse walls or longitudinal and transverse walls are assembled by connecting steel plates or angle steel through bolts, it will reduce the energy consumption. The sound insulation and waterproof ability of the wall; if the through bolts are used to connect through the screw holes on the frame column of the inner wall, the construction is difficult, the precision is high, and the ecological board needs to be hollowed out, which affects the waterproof and sound insulation of the wall board, and increases the Decoration difficulty. In this way, it is difficult to connect adjacent ecological interior walls on the same floor by using traditional bolt connection technology; (4) The price of self-tapping screws is much lower than that of bolts, and the connection between the thin-walled light-gauge steel keels of the thin-walled light-gauge steel keel structure adopts automatic Tapping screw connection, the self-tapping screw penetrates the connected two light steel keels successively, and the force transmission between the light steel keels is realized by the engagement with the self-tapping screw, and there is no extrusion friction; The assembly of the ecological interior wall belongs to the assembly of the frame column and the structural column of the ecological wall panel. The connection interface between the two mainly bears the shear force, and also requires friction force and occlusal force. It is obvious that the current technology and structure of the self-tapping screw directly connecting the light steel keel The assembly of the column and the frame column of the ecological wall panel and its force transmission requirements are significantly different; (5) For the traditional shear wall cast-in-place assembly, due to the large amount of concrete poured in place and the large expansion force of the concrete, it is necessary to add temporary construction brackets. Template positioning, high cost and poor flexibility, is not suitable for the construction of ecological interior walls.

Utility model content

The utility model proposes an assembled L-shaped column and an ecological inner wall self-tapping nail aggregate block connection structure, which has less wet work and good building sound insulation and waterproof effects.

In order to solve the above-mentioned technical problems, the technical scheme adopted by the present utility model is:

An assembled L-shaped column and an ecological interior wall self-tapping nail aggregate block connection structure, comprising:

L-shaped column, prefabricated ecological inner wall, and built-in steel structure of self-tapping nail block, the L-shaped column is arranged at the corner of the two connected prefabricated ecological interior walls and the two connected prefabricated ecological interior walls are connected together;

The L-shaped column is prefabricated in the factory, and is composed of L-shaped stirrups composed of rectangular stirrups with double limbs, L-shaped column perfusion strip anchoring ring reinforcement, and L-shaped column reinforcement cage composed of L-shaped column longitudinal reinforcement and longitudinal reinforcement. It is formed after pouring concrete; the L-shaped column has a built-in grooved power transmission steel plate with hollowed L-shaped column webs welded to the stirrups of the L-shaped column reinforcement cage, and the L-shaped column web is hollowed out. One side is welded with the convex connecting steel plate in the L-shaped column, and the other side is reserved for the side groove of the flange of the L-shaped column groove-shaped connecting steel plate. in the groove;

The prefabricated ecological interior wall is prefabricated in an ecological interior wall factory, and includes a concrete sash composed of an ecological interior wall frame column, an ecological plate filled in the sash, and a frame column web that is hollowed out by welding on the frame column stirrup of the ecological wall panel. Slotted force transmission steel plate and frame column convex connection steel plate, the frame column convex connection steel plate is welded to one side flange of the frame column web hollowed out slotted force transmission steel plate, and the frame column groove type is reserved on the other side of the flange. Connect the side grooves of the steel plate flanges, the frame column grooves are connected to the side grooves of the steel plate flanges and are embedded with the connecting steel plates; the frame column reinforcement cage includes stirrups, frame column pouring strips anchoring ring reinforcement, and frame column longitudinal reinforcement. Steel bars and longitudinal bars;

The grooved power transmission steel plate hollowed out in the web of the L-shaped column is welded with the reinforcement cage of the L-shaped column, and the convex connecting steel plate in the L-shaped column is welded with one side flange of the grooved power transmission steel plate hollowed out in the web of the L-shaped column; The trough-shaped force-transmitting steel plate hollowed out in the web of the frame column is welded with the reinforcement cage of the frame column, and the convex connecting steel plate in the L-shaped column is welded with one side flange of the trough-shaped force-transmitting steel plate hollowed out in the web plate of the frame column; it is convenient for self-tapping. The wood block of the self-tapping force-transmitting steel plate is bonded to the inner side of the flange on the side where the self-tapping nail is connected with the groove-type force-transmitting steel plate with the hollowed-out frame column web and the groove-type force-transmitting steel plate with the hollowed-out L-shaped column web; The frame column convex connecting steel plate and the convex connecting steel plate in the L-shaped column are respectively embedded in the side groove of the flange side groove of the L-shaped column groove type connecting steel plate and the side groove of the frame column groove type connecting steel plate flange. , the convex connecting steel plate in the middle of the convex is embedded in the pouring seam, the convex connecting steel plate of the frame column, the convex connecting steel plate in the L-shaped column and the groove-shaped force-transmitting steel plate hollowed out of the frame column web, L-shaped column web The hollow grooved power transmission steel plates are connected by self-tapping screws.

Preferably, the outer side of the frame column of the ecological interior wall is connected with an assembly joint and a cement-based grouting material pouring strip; the frame column pouring strip anchoring ring reinforcement is a rectangular stirrup, which is pre-buried in the frame column of the ecological interior wall. In the middle, part of it is cantilevered in the assembly joint between the frame column and the L-shaped column on the outer side of the frame column of the ecological interior wall. After pouring cement-based grouting material, an integral pouring strip is formed.

Preferably, the frame column longitudinal bar tie bars are elbow tie bars on the side of the frame column where the anchoring ring bars protrude from the frame column.

Preferably, the trough-shaped force-transmitting steel plate with the hollowed-out web of the frame column is a trough-shaped steel piece with a hollowed-out web welded on the frame column reinforcement cage.

Preferably, the frame column convex connecting steel plate is a convex steel plate in which the middle part of the frame column is partially thickened to form a convex shape, the thickness of the thinner flanges on both sides of the frame column convex connecting steel plate is not less than 3mm, and the middle part is convex. The thickness is 10mm, and the width is the same as the thickness of the infusion strip.

Preferably, one end of the frame column convex connecting steel plate is welded to the flange of the frame column web hollowed out trough-shaped force transmission steel plate and embedded in the frame column concrete, and the other side is cantilevered outside the frame column and placed in the frame column. The self-tapping screw hole is pre-opened at the connection position of the self-tapping screw.

The beneficial effects produced by the above technical solutions are:

(1) The self-tapping screw aggregate block solves the following technical problems: 1) The self-tapping screw aggregate block structure significantly reduces the wet operation on the construction site, and solves the environmental pollution problems of large construction waste discharge and high noise; 2) It solves the ecological problem The problem of the connection between the frame column of the wall panel and the steel plate of the L-shaped structural column and the inapplicability of the connection of the through-bolt; 3) The self-tapping screw block connection structure is used for easy assembly, and the ecological wall panel can be pushed into the assembly position from the side or the front, and the L-shaped The connecting steel plate on the column and the frame column of the ecological wall panel is embedded in the side groove of the force transmission steel plate, and then connected by self-tapping screws, which simplifies the construction process and improves the assembly efficiency.

(2) The L-shaped column solves the following technical problems: 1) It solves the problems of large amount of cast-in-place and low assembly rate of the integral joint connection of the traditional prefabricated shear wall structure; 2) It solves the problem of the traditional prefabricated structure wall panel arrangement Inflexible, the functional division of the building space is reduced by the size and distribution position of the wall panels; 3) As the second anti-seismic defense line, it improves the anti-overturning and anti-collapse performance of the building.

(3) Combined connection structure: The prefabricated ecological interior wall is reliably connected with the L-shaped structural column, and the combination of self-tapping nail block and pre-embedded anchoring ring reinforcement and pouring joint makes the ecological interior wall frame column and L-shaped structural column connected. The structural column is equivalent to the constraint edge member and the structural edge member in the cast-in-place shear wall structure, and realizes the prefabricated production and assembly construction of the constraint edge member and the structural edge member in the traditional fabricated shear wall structure.

Description of drawings

Figure 1 is the floor plan;

Figure 2 is a schematic diagram of the cross-sectional structure of the connection structure between the prefabricated L-shaped column ecological interior wall and the self-tapping screw block;

Figure 3 is a schematic cross-sectional structure diagram of an assembled L-shaped column and an ecological interior wall not connected together;

Figure 4 is a schematic cross-sectional view of an assembled L-shaped column;

Fig. 5 is the structural cross-sectional schematic diagram of the ecological interior wall assembly joint and cement-based grouting material pouring strip;

Figure 6 is a schematic diagram of the connection structure of the L-shaped column and the ecological interior wall self-tapping nail block;

Figure 7 is a schematic diagram of the three-dimensional structure of the ecological interior wall;

Figure 8 is a three-dimensional schematic diagram of the steel structure inside the L-shaped column;

Fig. 9 is the three-dimensional structure schematic diagram of L-shaped column;

Figure 10 is a schematic diagram of the steel structure built in the self-tapping screw block;

Figure 11 is a schematic structural diagram when the L-shaped column is not connected to the steel structure inside the ecological inner wall;

In the picture: 1. Prefabricated ecological interior wall; 2. Frame column of ecological interior wall; 3. Reinforcement cage for frame column; Channel-shaped force-transmitting steel plate with hollowed-out column web; 7. Frame column convex connecting steel plate; 8. Frame column groove-shaped connecting steel plate flange side groove; 9. L-shaped column; 10. L-shaped column reinforcement cage; 11. The L-shaped column is filled with strip anchoring ring reinforcement; 12. The L-shaped column longitudinal reinforcement is tied to the steel bar; 13. The L-shaped column web is hollowed with a channel-shaped force transmission steel plate; 14. The L-shaped column convex connection steel plate; 15. The L-shaped Column groove type connecting steel plate flange side groove; 16. Self-tapping screw; 17. Wood block; 18. Ecological board; 19. Assembly joint and cement-based grouting material pouring strip.

Detailed ways

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, but not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present application.

As shown in Figure 1-11, the self-tapping screw block is an ecological inner wall filled with ecological plates in the reinforced concrete frame of the trough-shaped force-transmitting steel plate with the web hollow, and the groove-shaped force transmission with the web hollow The L-shaped column of the steel plate, the ecological interior wall connected with the convex connecting steel plate by self-tapping screws, and the built-in steel-structured concrete thin-wall panel block with a thickness of 40mm in the flange area of the L-shaped column channel-type force transmission steel plate, It is a steel-concrete composite block. The protrusion in the middle of the convex connecting steel plate is engaged with the cement-based grouting material in the assembly joint to form a shear resistance effect in the grouting joint between the wallboard frame column and the L-shaped column. Formation of self-tapping screw block: the frame column of the prefabricated ecological interior wall is welded with a trough-shaped force-transmitting steel plate with a hollow web, and the convex connecting steel plate is welded to one side flange of the trough-shaped force-transmitting steel plate of the frame column of the ecological wall panel and embedded in the In the frame column concrete; the L-shaped column steel reinforcement welded web hollowed force transmission steel plate, the convex connecting steel plate and the L-shaped column grooved transmission steel plate are welded with one side flange and embedded in the L-shaped column concrete; The ecological wallboard frame column of the nail hole and the convex connecting steel plate of the L-shaped column are embedded in the side groove of the wallboard frame column and the groove-shaped force transmission steel plate flange of the L structural column, and the self-tapping nails can freely pass through the convex connecting steel plate hole Afterwards, the groove-shaped force-transmitting steel plate flanges connecting the frame column of the wall panel and the L-shaped column are respectively self-tapping. The groove embedded in the convex connecting steel plate is smoothed with high-performance mortar, and the cement-based grouting material is poured into the assembly joint to form a 50mm thick pouring strip. The above structure constitutes the horizontal web of the grooved force transmission steel plate and the convex force transmission steel plate. The built-in steel-structured concrete composite block with an outer profile of 40mm thick concrete.

The L-shaped column is a steel cage composed of L-shaped stirrups formed by double-limb rectangular stirrups and the L-shaped column longitudinal bars bound by them, a channel-shaped power transmission steel plate, and a convex shape welded with the flange of the channel-shaped power transmission steel plate. L-shaped structural columns formed by connecting steel plates and poured concrete. A groove for embedding the convex connecting steel plate is reserved on the outside of the flange of the L-shaped column channel power transmission steel plate. Cement-based grouting material is poured into the assembly joints of the wall panel frame column and the L-shaped column.

The ecological interior wall is a reinforced concrete sash formed by reinforced concrete frame beams and columns and a central structural column, and an ecological wall panel formed by filling the sash with lightweight ecological environmental protection boards. Lightweight eco-friendly boards are prepared from solid wastes such as fly ash and slag. The trough-shaped force-transmitting steel plate with hollow webs is welded on the stirrups of the frame column of the ecological wall panel, and the flange of one side of the trough-shaped force-transmitting steel plate is welded with a convex connecting steel plate and embedded in the frame column. A groove for embedded convex connecting steel plate is reserved on the outside of the flange of the groove-type force-transmitting steel plate for the frame column of the ecological wall panel. After the installation of the convex connecting steel plate, the cement-based grouting material is poured into the assembly joint of the frame column and the L-shaped column of the wall panel. Form a perfusion seam.

The combined connection structure refers to the centralized force-transmitting connection structure of the ecological wallboard and the L-shaped column self-tapping screw block, as well as the grouting joint formed by the reinforcement at the assembly joint and the 50mm thick cement-based grouting material and the ecological wallboard and the L-shaped column prefab. The combination of the continuous force-transmitting structure formed by the buried anchoring ring bars and the synergistic force-bearing structure. The combined connection structure reliably connects the prefabricated ecological interior wall with the L-shaped structural column, and the combined connection of self-tapping screw blocks and pre-embedded anchoring ring bars and pouring joints makes the ecological interior wall frame column and L-shaped structural column equivalent to The constraint edge members and the construction edge members in the cast-in-place shear wall structure realize the prefabricated production and assembly construction of the constraint edge members and the construction edge members in the traditional prefabricated shear wall structure.

The connection relationship of each part in the connection structure is as follows:

L-shaped column: The L-shaped column is prefabricated in the factory. It consists of L-shaped stirrups composed of rectangular stirrups with double limbs, L-shaped column perfusion strip anchoring ring bars 11, and L-shaped column longitudinal bars tie bars 12 and their bound longitudinal bars. The L-shaped column reinforced cage 10 is formed after pouring concrete. The grooved force-transmitting steel plate 13 with the hollowed-in web of the L-shaped column is welded with the steel cage stirrups, and one side of the channel-shaped force-transmitting steel plate is welded with the convex connecting steel plate 14 in the L-shaped column, and the other side reserves a groove 15 to assemble the frame Column convex connecting steel plate 7. The L-shaped column grouting strip anchoring ring reinforcement 11 and the assembly joint and cement-based grouting material grouting strip 19 constitute the post-cast part in the combined connection structure.

Prefabricated ecological interior wall: The ecological interior wall is prefabricated in a factory. It consists of a concrete sash composed of frame columns 2 of the ecological interior wall, an ecological plate 18 filled with the sash, and a hollow trough-shaped force-transmitting steel plate welded on the stirrups of the frame column of the ecological wall panel. 6 and the frame column convex connection steel plate 7, the frame column web is hollowed out of the grooved force transmission steel plate 6 one side flange is welded to the frame column convex connection steel plate 7, the side flange side of one side is reserved groove 8, the groove is embedded in the connection steel plate. The frame column reinforcement cage 3 is composed of stirrups, frame column perfusion strip anchoring ring reinforcement 4, frame column longitudinal reinforcement tie reinforcement 5 and the longitudinal reinforcement bounded by them. The grout infusion strip 19 constitutes the post-cast part in the combined joint construction.

The built-in steel structure of the self-tapping screw block: the grooved power transmission steel plate 13 hollowed out in the L-shaped column web is welded with the L-shaped column reinforcement cage 10, and the convex connecting steel plate 14 in the L-shaped column is connected with the grooved power transmission steel plate 13. Welding of side flanges; welding of slotted power transmission steel plate 6 hollowed out in the web of frame column and reinforcement cage 3 of frame column, and welding of convex connecting steel plate 14 in L-shaped column to one side flange of slotted power transmission steel plate 6; The wood block 17 of the force-transmitting steel plate is connected with the slotted force-transmitting steel plate 6 of the frame column web and the slotted force-transmitting steel plate 13 of the L-shaped column web is hollowed out. Adhesive bonding; the frame column convex connecting steel plate 7 and the convex connecting steel plate 14 in the L-shaped column are respectively embedded in the side groove 15 of the L-shaped column groove connecting steel plate flange and the side groove 8 of the frame column groove connecting steel plate flange. The middle part of the convex connecting steel plate is embedded in the pouring seam.

Combined connection structure: refers to the combined connection structure composed of the self-tapping screw block concentrated force transmission and the assembly joint and the cement-based grouting material pouring strip 19 continuous force transmission structure. In the self-tapping screw connection structure area: high-performance mortar smoothes the side grooves of the channel-type power transmission steel plate, and at the same time, the cement-based grouting material in the pouring strip is bonded to the convex connection steel plate and forms a tongue-and-groove engagement with its middle protrusion. The base grouting material is bonded to the trough-shaped force-transmitting steel plate with hollow webs; in the non-self-tapping screw connection structure area: the steel bars in the pouring strip and the cement-based grouting material, the frame column of the ecological interior wall and the anchoring ring reinforcement of the L-shaped column The overall force-bearing strip is formed to ensure the force-bearing performance of the perfusion strip. The combined connection structure is an important structure to ensure that the L-shaped column and the prefabricated ecological interior wall work together.

Prefabricated ecological interior wall 1: It is a composite wall panel composed of reinforced concrete truss and ecological boards 18 filled therein. The frame columns and frame beams form the frame of the reinforced concrete truss.

Frame column 2 of ecological interior wall: It is a frame column reinforcement cage 3 composed of square stirrups, frame column perfusion strip anchoring ring bars 4, frame column longitudinal bars tie bars 5 and longitudinal bars bound by them. C30~C40 strength grade The fine stone concrete forms the ecological interior wall frame columns. The inner side of the frame column 2 of the ecological interior wall is filled with ecological boards 18 , and the outer side is connected with the assembly joint and the cement-based grouting material pouring strip 19 . The frame column perfusion strip anchoring ring reinforcement 4 is a rectangular stirrup, which is pre-buried in the ecological interior wall frame column 2, and partially cantilevered in the assembly joint between the frame column and the L-shaped column on the outside of the ecological interior wall frame column 2. The cement-based grouting material forms an integral perfusion strip to enhance the anchoring effect of the frame column of the ecological interior wall and the perfusion strip, and improve the integrity of the ecological wall panel and the L-shaped column. The frame column longitudinal bar tie bar 5 is the elbow tie bar on the side of the frame column with the anchoring ring bar 4 protruding from the frame column, so as to play the role of reinforcing the anchor ring bar on the frame column longitudinal bar tie binding effect. .

The trough-shaped force-transmitting steel plate with the hollowed-out web of the frame column 6: is a trough-shaped steel piece with a hollowed-out web welded on the frame column reinforcement cage 3, and its thickness is not less than 3mm. Weld the steel plate 7 with the shape of the connecting plate 7, and reserve a groove on the side of the flange on the other side. The hollow structure of the trough-shaped force-transmitting steel plate web improves its connection and occlusion with the frame column concrete and the pouring strip grouting material, and improves the mechanical performance of the self-tapping screw block area.

Frame column convex connecting steel plate 7: It is a convex convex steel plate that is partially thickened in the middle of the one-shaped steel plate to form a convex shape. The thickness of the thinner flanges on both sides is not less than 3mm. Consistent. One end of the frame column convex connecting steel plate 7 is welded with the flange of the trough-shaped force transmission steel plate 6 hollowed out in the frame column web and embedded in the frame column concrete. Drill holes for self-tapping screws in advance. Insert the exposed flange part of the convex power transmission steel plate into the groove 15 on the side of the flange of the L-shaped column groove connection steel plate, and the self-tapping screw freely passes through the self-tapping nail hole on the convex power transmission steel plate and the hollowed out of the L-shaped column web. The flanges of the grooved power transmission steel plate 13 are connected by self-tapping to form the steel structure part of the self-tapping screw block; the convex position of the convex power transmission steel plate is embedded in the pouring strip 19, and after pouring the cement-based grouting material, connect the convex position of the steel plate at the convex position. Form a tongue and groove structure.

Frame column groove connection steel plate flange side groove 8: It is a grooved power transmission steel plate 6 hollowed out on the frame column web plate. The groove is reserved for troweling with high-performance mortar with a strength not lower than M15.

L-shaped column 9: It is a factory-prefabricated L-shaped structural column, and the L-shaped column reinforcement cage 10 is arranged inside. A groove is reserved on the side of the flange of one side of the L-shaped column grooved power transmission steel plate, and the groove is embedded with a frame column convex connecting steel plate 7 . In function: L-shaped column is the main structure connecting adjacent horizontal and vertical ecological wall panels. In structure: L-shaped structural column is an important load-bearing structure, and as a second seismic defense line, it improves the structure's seismic performance and anti-overturning and anti-overturning performance. Collapse resistance.

L-shaped column reinforcement cage 10: It is a steel bar composed of L-shaped stirrups composed of rectangular stirrups with double limbs, L-shaped column perfusion strip anchoring ring reinforcement 11, L-shaped column longitudinal reinforcement tie reinforcement 12 and longitudinal reinforcements constrained by them. cage. The L-shaped column grouting strip anchoring ring reinforcement 11 is a rectangular stirrup, which is pre-buried in the L-shaped column 9 and partially cantilevered in the assembly joint between the L-shaped column outside the L-shaped column 9 and the frame column, and is filled with cement-based grouting. After the material is poured, an integral perfusion strip is formed to enhance the anchoring effect of the L-shaped column and the perfusion strip, and to improve the integrity of the L-shaped column and the ecological wallboard. The L-shaped column longitudinal bar tie bar 12 is the elbow tie bar on the side of the L-shaped column poured with the anchoring ring bar 11 protruding from the frame column, so as to reinforce the anchoring ring bar to restrain the L-column longitudinal bar tie. effect.

L-shaped column web-hollowed channel-shaped force-transmission steel plate 13: It is a channel-shaped steel piece with a hollowed-out web welded on the L-shaped column reinforcement cage 10, and its thickness is not less than 3mm. The convex connecting steel plate 14 of the shaped column is welded, and a groove is reserved on the side of the other flange. The hollow structure of the trough-shaped force-transmitting steel plate web improves its connection and occlusion with the frame column concrete and the pouring strip grouting material, and improves the mechanical performance of the self-tapping screw block area.

L-shaped column convex connecting steel plate 14: It is a convex convex steel plate in which the middle part of the one-shaped steel plate is partially thickened to form a convex shape. The thickness is the same. One end of the L-shaped column convex connecting steel plate 14 is welded with the flange of the trough-shaped force transmission steel plate 13 hollowed out in the L-shaped column web and embedded in the L-shaped column concrete. Self-tapping screw holes are pre-opened at the connection position of the tapping screw. Insert the exposed flange part of the convex power transmission steel plate into the groove 8 on the side of the frame column groove connection steel plate flange, and the self-tapping screw freely passes through the self-tapping screw hole on the convex power transmission steel plate and the hollow groove of the frame column web. The flange of the force transmission steel plate 6 is self-tapping and connected to form the steel structure part of the self-tapping screw block; the convex position of the convex force transmission steel plate is embedded in the pouring strip 19, and after pouring the cement-based grouting material, the convex position of the connecting steel plate forms an Oral bite structure.

The groove 15 on the side of the flange of the L-shaped column trough connecting steel plate is a groove troweled with high-performance mortar with a strength not lower than M15 reserved on the outside of the flange of the trough-shaped force transmission steel plate 13 with the hollow of the L-shaped column web.

Self-tapping screw 16: ST 6.3 type hexagonal tail drill self-tapping screw can be used. The total length of the self-tapping screw is 20mm, the thread is full length, and the distance between the self-tapping screws is generally 25-50mm.

Wood block 17: It is a wood block pasted to the inner side of the L-shaped column and the flange of the groove-type force-transmitting steel plate of the frame column of the ecological interior wall with adhesives such as glass glue. Its main function is to facilitate the self-tapping nails to drill into the force-transmitting steel plate.

Ecological board 18: It is a microporous light-weight ecological concrete wallboard filled in the reinforced concrete frame. The wallboard has light weight, good thermal insulation and sound insulation, and is economical.

Assembly joint and cement-based grouting material pouring strip 19: It is a 50mm assembly joint between the concrete L-shaped column and the frame column of the ecological interior wall. After the convex connecting steel plate is embedded in the groove, the cement-based grouting material is poured into the assembly joint. Modification: convex After the connecting steel plates are embedded in the grooves, the steel bars are put in and tied with the grouting strips on both sides to anchor the ring bars, and the cement-based grouting material is poured. In the self-tapping screw connection structure area: high-performance mortar smoothes the side grooves of the channel-type power transmission steel plate, and at the same time, the cement-based grouting material in the pouring strip is bonded to the convex connection steel plate and forms a tongue-and-groove engagement with its middle protrusion. The base grouting material is bonded to the trough-shaped force-transmitting steel plate with hollow webs; in the non-self-tapping screw connection structure area: the steel bars in the pouring strip and the cement-based grouting material, the frame column of the ecological interior wall and the anchoring ring reinforcement of the L-shaped column The overall force-bearing strip is formed to ensure the force-bearing performance of the perfusion strip. The combined connection structure is an important structure to ensure that the L-shaped column and the prefabricated ecological interior wall work together.

The assembly process of the prefabricated L-shaped column and the ecological interior wall self-tapping screw block connection structure is as follows: 1) Prepare the grooved force transmission steel plate with web hollow and the prefabricated ecological interior wall with convex connecting steel plate; prepare the web hollow 2) Install the prefabricated ecological interior wall and L-shaped column, and insert the convex connecting steel plate into the outer groove of the flange of the grooved power transmission steel plate hollowed out in the web; 3) Use self-tapping screws to freely pass through the self-tapping screw holes of the convex connecting steel plate, and self-tapping to connect the flanges of the grooved force-transmitting steel plate. Use M15 high-performance mortar to smooth the outer groove of the grooved power transmission steel plate flange hollowed out on the web; 4) Put in steel bars and tie them with the anchoring ring bars of the pouring strips on both sides, install the template in the pouring strip area, and Pour cement-based grouting material in the pouring strip; 5) After the curing of the pouring strip is completed, remove the formwork and paint the interior wall decorative paint.

The above are only the preferred specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto. The equivalent replacement or modification of the scheme and its utility model concept shall be included within the protection scope of the present utility model.

Claims (5)

1. an assembled L-shaped column and the ecological interior wall self-tapping nail aggregate block connection structure, is characterized in that, comprising The L-shaped column (9), the prefabricated ecological inner wall (1), and the built-in steel structure of the self-tapping nail block, the L-shaped column (9) is arranged on the two adjacent prefabricated ecological inner walls (1). At the corner, the two connected prefabricated ecological interior walls (1) are connected together; The L-shaped column (9) is prefabricated in the factory, and consists of L-shaped stirrups composed of rectangular stirrups with double limbs, L-shaped column perfusion strip anchoring ring bars (11), and L-shaped column longitudinal reinforcement bars (12) and The L-shaped column reinforcement cage (10) constituted by longitudinal reinforcement is formed after pouring concrete; the L-shaped column (9) has a built-in L-shaped column web hollowed-out trough which is welded and connected to the stirrups of the L-shaped column reinforcement cage (10). A power transmission steel plate (13), one side of the grooved power transmission steel plate (13) hollowed out in the L-shaped column web is welded with the convex connecting steel plate (14) in the L-shaped column, and the L-shaped column groove is reserved on the other side The side groove (15) of the connecting steel plate flange, and the frame column convex connecting steel plate (7) is arranged in the side groove (15) of the L-shaped column groove connecting steel plate flange; The prefabricated ecological interior wall (1) is prefabricated in an ecological interior wall factory, and includes a concrete sash formed by an ecological interior wall frame column (2), an ecological board (18) filled in the sash, and stirrups for the frame column of the ecological wall panel. The slotted power transmission steel plate (6) and the frame column convex connecting steel plate (7) are welded on the frame column web, and one side flange of the frame column web hollowed slotted power transmission steel plate (6) is welded to the said frame column. The frame column is convexly connected to the steel plate (7), and the side groove (8) of the frame column groove-shaped connection steel plate flange is reserved on the side of the other flange, and the frame column groove-shaped connection steel plate flange side groove (8) is embedded in it. Connecting steel plates; frame column reinforcement cage (3) includes stirrups, frame column perfusion strip anchoring ring reinforcement (4), frame column longitudinal reinforcement bar (5) and longitudinal reinforcement; The trough-shaped force transmission steel plate (13) hollowed out in the web of the L-shaped column is welded with the reinforcement cage (10) of the L-shaped column, and the convex connecting steel plate (14) in the L-shaped column is hollowed out with the web of the L-shaped column One side flange of the grooved power transmission steel plate (13) is welded; the hollowed grooved power transmission steel plate (6) of the frame column web is welded with the frame column reinforcement cage (3), and the convex connecting steel plate in the L-shaped column is welded. (14) Weld one side flange with the hollowed-out trough-shaped force-transmitting steel plate (6) of the frame column web; the wood block (17) of the self-tapping self-tapping force-transmitting steel plate and the trough-shaped force-transmitting steel plate hollowed out in the frame column web plate transmit force The steel plate (6) and the trough-shaped force transmission steel plate (13) hollowed out on the web of the L-shaped column are bonded to the inner side of the flange on one side of the connection with self-tapping screws; the frame column convex connection steel plate (7) and the L-shaped The convex connecting steel plates (14) in the column are respectively embedded in the side grooves (15) of the flange side grooves (15) of the L-shaped column groove connecting steel plates and the side grooves (8) of the frame column groove connecting steel plate flanges. The protrusion in the middle of the steel plate is embedded in the pouring seam, the convex connecting steel plate (7) of the frame column, the convex connecting steel plate (14) in the L-shaped column, and the trough-shaped force-transmitting steel plate (6) hollowed out in the web of the frame column, The grooved force transmission steel plates (13) hollowed out in the web of the L-shaped column are connected by self-tapping screws (16); The outer side of the frame column (2) of the ecological interior wall is connected with the assembly joint and the cement-based grouting material pouring strip (19); the frame column pouring strip anchoring ring reinforcement (4) is a rectangular stirrup, which is pre-buried in the In the above-mentioned ecological interior wall frame column (2), part of it is cantilevered in the assembly joint between the frame column and the L-shaped column on the outer side of the ecological interior wall frame column (2), and the cement-based grouting material is poured to form an integral pouring strip. 2. The connection structure of an assembled L-shaped column and an ecological interior wall self-tapping screw block according to claim 1, characterized in that the frame column longitudinal reinforcement bar (5) is a frame column filled with strips The anchored ring rib (4) protrudes from the elbow tie rib on one side of the frame column. 3. The assembled L-shaped column and the ecological interior wall self-tapping screw aggregate block connection structure according to claim 1, characterized in that, the hollowed-out groove-shaped force-transmitting steel plate (6) of the frame column web is welded The web is hollowed out on the frame column reinforcement cage (3). 4. The assembled L-shaped column and the ecological interior wall self-tapping nail aggregate block connection structure according to claim 1, characterized in that the frame column convex connecting steel plate (7) is a part of the middle part of the one-shaped steel plate. The thickness of the thin flanges on both sides of the frame column convex connecting steel plate (7) is not less than 3mm, the thickness of the middle bulge is 10mm, and the width is consistent with the thickness of the pouring strip. 5. An assembled L-shaped column and ecological interior wall self-tapping screw block connection structure according to claim 1, characterized in that one end of the frame column convex connecting steel plate (7) is connected to the frame column web The flange of the hollowed-out grooved power transmission steel plate (6) is welded and embedded in the frame column concrete, and the other side is cantilevered outside the frame column, and self-tapping screw holes are pre-drilled at the connection position of the self-tapping screw.

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