CN214995941U - Formwork-free pouring cavity template capable of constructing shear wall with special-shaped section - Google Patents

Abstract

Can construct exempt from formwork of dysmorphism cross section shear force wall and pour cavity template, including the template body 1 of rectangle, template body 1 is close to both ends edge symmetry and is provided with wedge recess 5, and the side external bolt connection of template body 1 that wedge recess 5 corresponds has rectangular sheet 2. When pouring is carried out, the concrete shear wall with an integral structure is formed, the upper part of the shear wall forms a wedge shape, and the lower part of the shear wall forms a shell with a pouring hole, so that formwork erecting work during later wall body pouring is avoided, the process is reduced, the working procedure is simplified, and the construction period is effectively saved; the utility model discloses the mode of connection can be dismantled in the adoption between each part, easy assembly and disassembly.

Description

Formwork-free pouring cavity template capable of constructing shear wall with special-shaped section

Technical Field

The utility model relates to an assembly type structure field, in particular to can construct exempt from formwork of dysmorphism cross-section shear force wall and pour the cavity template.

Background

Shear walls, also known as wind-resistant walls, earthquake-resistant walls or structural walls, are walls in houses or structures which mainly bear horizontal loads and vertical loads (gravity) caused by wind loads or earthquake action, prevent the structures from being sheared and damaged, and are generally made of reinforced concrete.

The assembled shear wall is formed by splitting a wall body into a plurality of units on the basis, prefabricating the units in a factory and then assembling the units on site, so that a post-cast cavity which can be used for connecting and pouring is usually reserved at a member steel bar connecting part in the prefabricating process. At present, more sleeve embedded parts are adopted, only a post-pouring cavity through which a reinforcing steel bar can pass is reserved, but when the post-pouring cavity is large, a special-shaped cross section needs to be arranged and the requirement of the reinforcing steel bar is met, a detachable and reusable cavity forming template needs to be added into a prefabricated shear wall to simplify the construction process, and the bottom of the shear wall is provided with the post-pouring cavity of an autologous permanent template. Therefore, how to construct the pouring template is very important, formwork erecting work is required for the existing shear wall pouring, the working procedure is complicated, and the construction period is long.

Disclosure of Invention

In order to solve the problem, the utility model provides a can construct and exempt from to water shear force wall dysmorphism cross-section after formwork and pour the cavity template.

The purpose of the utility model is realized with the following mode:

can construct exempt from formwork of dysmorphism cross section shear force wall and pour cavity template, including the template body 1 of rectangle, template body 1 is close to both ends edge symmetry and is provided with wedge recess 5, and the side external bolt connection of template body 1 that wedge recess 5 corresponds has rectangular sheet 2.

The wedge-shaped groove 5 comprises a groove bottom 50 and a groove wall 51 connected with the groove bottom 50, and the length of the groove bottom 50 of the wedge-shaped groove 5 is the same as that of the rectangular thin plate 2; the level of the wedge-shaped groove 5 is level with the level of the rectangular sheet 2.

The bottom of the wedge-shaped groove 5 is level with the middle part of the template body 1.

The edge of the template body 1 close to the template body is penetrated with a reinforcing steel bar hole 4 matched with a reinforcing steel bar.

Template body 1 with wedge-shaped groove 5 include closed type cavity 12 that rectangular frame 11 encloses, rectangular frame 11 is including the concave type template 111 of relative setting, the rectangular plate 112 of relative setting, the symmetry is provided with strip A1121 on the face of rectangular plate 112 both ends, concave type template 111 both ends are provided with the strip groove A1111 with strip A1121 complex, be connected with butterfly type bolt 113 between the relative concave type template 111, the cooperation has cross template 3 between two recesses of relative concave type template 111, rectangular frame 11 is close to the conch inslot cooperation of both ends edge and is connected with the swash plate to the inside slope of cavity 12, three swash plates form cell wall 51.

The inclined plates comprise inclined plates A511 and opposite inclined plates B512, the two ends of each inclined plate A511 are respectively connected with the inclined plates B512 through bolts, the upper end surfaces of the three inclined plates are connected with the shell wall of the cavity 12 to form a certain included angle, and the lower end surfaces of the three inclined plates are connected with the edges of the cross-shaped plates 3.

The section of the inclined plate A511 is an isosceles trapezoid, the section of the inclined plate B512 is a right trapezoid, and the surface where the inclined waist of the inclined plate A511 is located is matched and connected with the surface where the inclined waist of the two inclined plates B512 are located.

The surface of the right-angle side of the sloping plate B512 is flush with the wall of the groove of the concave-shaped plate 111; the cross-shaped plate 3 is connected with a right-angle triangular plate 513 through bolts, the bottom end of the right-angle triangular plate 513 is connected with the upper end face of the cross-shaped plate 3 through bolts, and the side end face of the right-angle triangular plate 513 is connected with the side end face of the inclined plate B512 through bolts.

The rectangular thin plate 2 is provided with a mounting hole A21 in a penetrating mode, the concave-shaped plate 111 is provided with a bolt hole A corresponding to the mounting hole A21, and the rectangular thin plate 2 is fixedly connected with the concave-shaped plate 111 through the mounting hole A21 and the bolt hole A by the connecting bolt 9.

The slope from the joint of the right-angle triangular plate 513 and the cross-shaped plate 3 to the center of the cross-shaped plate 3 is 3% -6%.

Compared with the prior art, the utility model discloses a set up the wedge recess on the template body, the rectangle sheet metal can be dismantled and connected in the outside of template body, when pouring, form the concrete shear force wall of integrative structural formula, the upper portion of shear force wall forms the wedge, the lower part of shear force wall forms the casing that has the hole of pouring, the formwork work when avoiding later stage pouring wall body, reduces technology, makes the process more simplified, effectively practices thrift the time limit for a project; the utility model discloses the mode of connection can be dismantled in the adoption between each part, easy assembly and disassembly.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic top view of fig. 1.

Fig. 3 is a schematic view of a rectangular frame structure.

Fig. 4 is a schematic view of the connection of the rectangular thin plate and the rectangular frame.

Fig. 5 is a schematic view of a rectangular thin plate structure.

FIG. 6 is a schematic diagram of a cross-plate configuration.

Fig. 7 is a schematic left side view of fig. 6.

Fig. 8 is a front view schematic of fig. 6.

FIG. 9 is a schematic view of the use of the form body in conjunction with a steel plate.

FIG. 10 is a schematic view of the mating connection of a rectangular plate and a concave plate.

FIG. 11 is a schematic view of the connection of the female pattern plate and the butterfly bolt.

Fig. 12 is another angular schematic of fig. 11.

Fig. 13 is a schematic structural view of the bolt hole B on the female pattern plate.

Fig. 14 is a schematic structural view of the swash plate a.

Fig. 15 is a schematic view of the first protrusion on the swash plate a.

Fig. 16 is a schematic structural view of the swash plate B.

Fig. 17 is a schematic structural view of the third protrusion on the swash plate B.

Fig. 18 is a schematic view of the simple connection between the sloping plate a and the rectangular plate.

Wherein, 1 is a template body; 11 is a rectangular frame; 111 is a concave type plate; 1110 is bolt hole B; 1111 is a strip groove A; 1112 is a strip B; 112 is a rectangular plate; 1121 is strip A; 113 is a butterfly bolt; 12 is a cavity; 2 is a rectangular thin plate; 21 is a mounting hole A; 3 is a cross-shaped plate; 31 is a strip groove B; 32 is bolt hole C; 4 is a reinforcing steel bar hole; 5 is a wedge-shaped groove; 50 is the bottom of the tank; 51 is a slot wall; 511 is swash plate a; 5110 is a first oblique waist protrusion; 51100 is bolt hole A; 5111 is a first protrusion; 51110 is a first bolt; 5112 is a second protrusion; 51120 is a second bolt; 5113 is a first ramp; 5114 is a second ramp; 512 is a swash plate B; 5120 is a second oblique waist protrusion; 51200 is bolt hole B; 5121 is a third protrusion; 5123 is a third ramp; 5124 is a fourth ramp; 513 is a right angle triangle; 60 is a vertical reinforcement; 61 is a transverse reinforcement; 62 is a reinforcement cage; 7 is a steel plate; 8 is a pouring cavity; and 9 is a connecting bolt.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the drawings of the embodiments of the present invention are combined below to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are only a part of the embodiments of the present invention, not all embodiments. Based on the utility model discloses the embodiment of applying for, to the technical personnel of this field, a plurality of changes and improvements etc. that make, all other embodiments that obtain all belong to the scope of the utility model protection.

As shown in fig. 1-18, the utility model discloses a formwork-free pouring cavity template that can construct dysmorphism cross section shear force wall, including template body 1, template body 1 is close to the edge and runs through be provided with reinforcing bar complex reinforcing bar hole 4, and the edge symmetry that template body 1 is close to both ends is equipped with wedge recess 5, and the side of the rectangle template body 1 that wedge recess 5 corresponds can be dismantled outward and be connected with rectangle sheet metal 2.

The front view of the wedge-shaped groove 5 is a right trapezoid, and the side view of the wedge-shaped groove 5 is an isosceles trapezoid.

The wedge-shaped groove 5 comprises a groove bottom 50 and a groove wall 51, the length of the groove bottom 50 is the same as that of the rectangular thin plate 2, the height of the wedge-shaped groove 5 is the same as that of the rectangular thin plate 2, and the end face, close to the middle of the template body 1, of the wedge-shaped groove 5 is flush with the right end face of the rectangular thin plate 2.

The length of the rectangular thin plate 2 is the same as that of the groove bottom 50 of the wedge-shaped groove 5, and the upper end face of the rectangular thin plate 2 is flush with the upper end faces of the template body 1 close to the two ends.

Specifically, the formwork body 1 includes a rectangular frame 11 and a closed cavity 12 enclosed by the rectangular frame 11, and the upper end faces of the rectangular frame 11 near two ends are connected with inclined plates inclined downwards.

The rectangular frame 11 includes symmetrically disposed female pattern plates 111 and symmetrically disposed rectangular plates 112.

Two ends of the rectangular plate 112 are respectively provided with a strip-shaped plate A1121 along the height direction, the inner surfaces of two ends of the concave-shaped plate 111 are provided with a strip-shaped groove A1111 corresponding to the strip-shaped plate A1121 along the height direction, and the strip-shaped plate A1121 is matched with the strip-shaped groove A1111 to enclose the rectangular plate 112 and the concave-shaped plate 111 into a rectangular frame 11.

Bolt holes B1110 are formed in the surfaces of the symmetrically-arranged concave-shaped plates 111 in a penetrating mode, and butterfly bolts 113 penetrate through the bolt holes B1110 in the two concave-shaped plates 111 to fix the two concave-shaped plates 111 together to play a role of reinforcing ribs. It should be noted that the outer end surface of the concave plate 111 is provided with a groove, and the bolt hole B1110 is arranged in the groove, so that the head of the butterfly bolt 113 is located in the groove, thereby preventing the head of the butterfly bolt 113 from extending out of the outer end surface of the concave plate 111, and avoiding affecting the pouring quality during pouring.

A cross-shaped plate 3 is matched between the two concave-shaped plates 111, and the grooves of the concave-shaped plates 111 are matched with the end faces of the cross-shaped plates 3.

Specifically, a groove a formed in the middle of one of the intaglio plates 111 is connected to the upper end surface of the cross plate 3, and a groove B formed in the middle of the other intaglio plate 111 is connected to the lower end surface of the cross plate 3. The internal surface of type of calligraphy of recessed character board 111 is provided with strip B1112, be provided with on the upper and lower both end faces of cross type board 3 with strip B1112 complex strip groove B31, strip B1112 cooperation strip groove B31 is connected cross type board 3 and type of calligraphy of recessed character board 111, the upper and lower tip of cross type board 3 promptly and the recess cooperation of type of calligraphy of recessed character board 111.

Bolt holes C32 are uniformly distributed on the upper end surface of the cross-shaped plate 3 close to the edge. The reinforcing steel bar holes 4 are distributed on the cross-shaped plates 4.

The inclined plate comprises an inclined plate A511 and an inclined plate B512, the two inclined plates B512 are symmetrically arranged, the cross sections of the two inclined plates B512 are in a right trapezoid shape, and the cross section of the inclined plate A511 is in an isosceles trapezoid shape.

The upper end surface of the swash plate a511 is a first inclined surface 5113, and the lower end surface of the swash plate a511 is a second inclined surface 5114. The first inclined surface 5113 is connected to the inner end surface of the rectangular plate 112, and the second inclined surface 5114 is connected to the upper end surface of the cross plate 3. So that the inclined plate A511 forms an included angle with the rectangular plate 112, and the inclined plate A511 forms an included angle with the cross-shaped plate 3.

The upper end surface of the swash plate B512 is a third inclined surface 5123, and the lower end surface of the swash plate B512 is a fourth inclined surface 5124. The third inclined surface 5123 is connected with the inner end surface of the concave-shaped plate 111, and the fourth inclined surface 5124 is connected with the upper end surface of the cross-shaped plate 3. So that the inclined plate B512 forms an included angle with the concave type plate 111. The up end of three swash plate forms certain contained angle with rectangular frame 11 (promptly with the conch wall of cavity 11), and the lower terminal surface of three swash plate is connected with the edge of cross template 3 to form certain contained angle with the up end of cross template 3, cross template 3 forms the tank bottom of wedge recess 5, and the swash plate forms the cell wall of wedge recess 5.

Specifically, a first protrusion 5111 in a vertical direction is disposed on the first inclined surface 5113 of the swash plate a511, a first bolt hole is disposed through the first protrusion 5111, a first thread groove is disposed on an inner surface of the rectangular plate 112, and the first bolt 51110 passes through the first bolt hole and the first thread groove to fix the rectangular plate 112 and the swash plate a 511.

A second protrusion 5112 is horizontally disposed on the second inclined surface 5114 of the swash plate a511, a second bolt hole is disposed on the second protrusion 5112, and a second bolt 51120 passes through the second bolt hole of the swash plate a511 and the bolt hole C32 of the cross-shaped plate 3 to fix the swash plate a511 and the cross-shaped plate 3.

Similarly, a third protrusion 5121 in the vertical direction is arranged on a third inclined surface 5123 of the inclined plate B512, a third bolt hole (not shown in the figure) is arranged on the third protrusion 5121 in a penetrating manner, a third bolt groove (not shown in the figure) is arranged on the inner end surface of the concave plate 111, and a third bolt (not shown in the figure) passes through the third bolt hole and the third bolt groove to fix the inclined plate B512 and the concave plate 111.

A fourth protrusion (not shown) is disposed on the fourth inclined surface 5124 of the swash plate B512 in the horizontal direction, a fourth bolt hole (not shown) is disposed through the fourth protrusion, and a fourth bolt (not shown) passes through the fourth bolt hole and the bolt hole C32 to fix the swash plate B512 to the cross plate 3. The top of each of the swash plates a511 and B512 is flush with the upper end surface of the rectangular plate 112.

The upper end surface of the inclined plate A511 and the upper end surface of the inclined plate B512 are connected with the upper end surface of the frame 111, the lower end surface of the inclined plate A511 and the lower end surface of the inclined plate B512 are connected with the side end surface of the cross-shaped plate 3, namely the inclined plate A511 forms a certain included angle with the rectangular plate 112 in the vertical direction and forms a certain included angle with the cross-shaped plate 3 in the horizontal direction. The inclined plate B512 forms a certain included angle with the vertical concave-shaped plate 111 and forms a certain included angle with the horizontal cross-shaped plate 3.

Two surfaces of the swash plate a511 on which the two isosceles sides are located are connected to a surface of the swash plate B512 on which the oblique waist is located by small bolts.

Specifically, the surfaces of the two oblique waists of the swash plate a511, that is, the two oblique waist surfaces on both sides of the first inclined surface 5113, are provided with first oblique waist protrusions 5110 facing the rectangular plate 112, and the first oblique waist protrusions 5110 are provided with threaded holes a51100 in a penetrating manner. A second inclined waist protrusion 5120 facing the rectangular plate 112 is provided on the surface of the inclined waist of the inclined plate B512. The second inclined waist protrusion 5120 is provided with screw holes B51200 corresponding to the screw holes a51100 one to one. The first small bolt passes through the screw hole a51100 and the screw hole B51200 to fix the swash plate a511 and the swash plate B512 together.

The groove bottom 50 of the wedge-shaped groove 5 is level with the horizontal cross-shaped plate 3, so that the parts of the cross-shaped plate 3 close to the edges of the two ends form the groove bottom 50, the inclined plate which inclines downwards forms a groove wall 51 connected with the groove bottom 50, and the groove bottom 50 and the groove wall 51 form a slope-type wedge-shaped groove 5 which is sunken towards the inside of the cavity 12.

The end face of the wedge-shaped groove 5 close to the middle of the template body 1 is connected with a right-angle triangular plate 513, and the upper end face (or side end face) of the cross-shaped plate 3, the side end face of the inclined plate B512 and the end face of the concave-shaped plate 111 are respectively connected with the right-angle triangular plate 513, so that the template body 1 is enclosed into a closed inner cavity.

The upper end face of the cross-shaped plate 3 is provided with a bolt hole C32 in a penetrating mode, the inner side end face of the right-angle triangular plate 513 is provided with a protrusion A (not shown in the drawing), a bolt hole D (not shown in the drawing) is arranged on the protrusion A, after the lower end face of the protrusion A is tightly attached to the upper end face of the cross-shaped plate 3, a second small bolt penetrates through the bolt hole C32 of the cross-shaped plate 3 and the bolt hole D of the right-angle triangular plate 513 from the lower end of the cross-shaped plate 3, and the right-angle triangular plate 513 and the cross-shaped plate 3 are fixed together. Meanwhile, the end surface of the inner side of the right-angle triangular plate 513 is flush with the end surface of the inclined plate B512, and the end surface of the inclined plate B512 is flush with the end surface of the groove a of the concave-shaped plate 111, that is, the right-angle triangular plate 513 encloses the formwork body 1 into a pouring formwork with an opening at the bottom end, so that when pouring is performed, pouring materials, that is, concrete, are prevented from flowing into the cavity 12 formed by the formwork body 1.

If necessary, a protrusion B may be disposed on an inner end surface of the right-angled triangle 513, a bolt hole E may be disposed through the protrusion B, a protrusion C (not shown) may be disposed on a rear end surface of the swash plate B512, a bolt hole F corresponding to the bolt hole E may be disposed on the protrusion C, and a third small bolt may pass through the bolt hole E and the bolt hole F from the inside of the cavity 12 to fixedly connect the right-angled triangle 513 and the swash plate B512.

Bolt holes A (not shown in the figure) are formed in the outer end face of the concave plate 111 corresponding to the wedge-shaped groove 5, a groove (not shown in the figure) is formed in the rectangular thin plate 2, mounting holes A21 which correspond to the bolt holes A in a one-to-one mode are formed in the groove, and the concave plate 111 and the rectangular thin plate 2 are fixed through the connecting bolts 9 penetrating through the mounting holes A21 and the bolt holes A, so that the assembling and the disassembling are facilitated. The head of connecting bolt A9 be located the recess, influence when avoiding pouring and pour the quality, be convenient for form can with the rectangular shape of rectangular sheet 2 complex pour the hole.

The slope from the joint of the right-angle triangular plate 513 and the cross-shaped plate 3 to the center of the cross-shaped plate 3 is 3-6%. The concrete wall is formed after the pouring work is finished, the concrete wall comprises an upper concrete wall on the upper portion and a rear pouring cavity shell on the lower portion, the bottom end face of the upper concrete wall is 3% -6% of gradient, and when concrete is poured into the rear pouring cavity shell, the concrete in the middle portion of the interior of the shell is connected with the lower end face of the upper concrete wall with the gradient, so that the pouring quality is improved.

It should be noted that the utility model discloses the head of all used bolts when assembling is all inside template body 1 to the screw rod does not stretch out template body 1, can not influence like this and pour. It is worth noting that all components of the template are convenient to assemble and disassemble and can be repeatedly used.

The working process of the utility model is as follows:

assembly preparation work: firstly, matching a strip-shaped plate B1112 on a symmetrical concave-shaped plate 111 with a strip-shaped groove B31 on a cross-shaped plate 3; then, matching the strip-shaped groove A1111 on the concave-shaped plate 111 with the strip-shaped plate A1121 on the rectangular plate 112 to enclose a rectangular frame 11; subsequently, the two symmetrical concave-shaped plates 111 are fixed by the butterfly bolts 113, so that the rectangular frame 11 is more fixed; finally, the bottom end surfaces of the inclined plate A511 and the inclined plate B512 are abutted against the upper end surface of the cross-shaped plate 3, the lower end surface of the right-angle triangular plate 513 is abutted against the upper end surface of the cross-shaped plate 3, the inner end surface of the right-angle triangular plate 513 is abutted against the side end surface of the inclined plate B512, the inclined plate A511, the inclined plate B512 and the cross-shaped plate 3 are fixed in pairs by bolts, and the right-angle triangular plate 512, the cross-shaped plate 3 and the inclined plate B512 are fixed in pairs by bolts to form the template body 1. The template body 1 and the rectangular thin plate 2 are fixed through connecting bolts 9.

The template using process comprises the following steps:

the first step is as follows: firstly, four steel plates 7 are erected on the outer side of the formwork body 1, a rectangular inner cavity 8 for casting is enclosed by the steel plates 7, and the thickness of the rectangular inner cavity 8 is the thickness of a cast shell. One of the steel plates 7 is tightly attached to the outer end face of the rectangular thin plate 2 and tightly attached to the inner end face of the steel plate 7, so that when pouring is performed, a pouring hole is formed in the area where the rectangular thin plate 2 is located after concrete is solidified, and the shell is formed in the other areas.

The second step is that: inserting vertical steel bars 60 into the steel bar holes 4 on the upper surface of the template body 1, respectively extending the vertical steel bars 60 upwards and downwards out of at least one anchoring length of the inclined plate and the cross-shaped plate 3, and pouring concrete into the rectangular inner cavity 8, wherein the height of the concrete is equal to that of the upper surface of the rectangular thin plate 2; meanwhile, horizontal steel bars 61 are connected between the symmetrical reinforcement cages 62.

The third step: and hoisting the reinforcement cage 62 connected by the horizontal reinforcement 61 on the template body 1, and continuously pouring concrete, wherein the height of the concrete meets at least one anchoring length of the reinforcement cage 62 and the vertical reinforcement 60 extending out of the concrete.

The fourth step: after the concrete is solidified and reaches a certain strength, the steel plate 7 is firstly detached, then the connecting bolts 9 are screwed down, the rectangular thin plate 2 is detached, the template body 1 is pulled out from the bottom, the solidified concrete forms the concrete wall of the embedded steel bars with an integrated structure, the concrete wall comprises an upper concrete wall which can be matched with the upper surface of the template body 1 and is provided with a special-shaped interface, and the concrete wall also comprises a post-pouring area shell at the lower part, the post-pouring area shell can be matched with the rectangular frame 11, and due to the blocking effect of the rectangular thin plate 2 during pouring, the post-pouring shell forms a pouring hole.

The thickness of the rectangular sheet 2 can be designed according to the desired thickness of the post-cast area housing. The bottom of the formed upper concrete wall forms a special-shaped section to form a shear key, so that the shear resistance is improved. Meanwhile, the work of formwork support during later-stage concrete pouring is avoided, the reserved holes for pouring concrete guarantee the convenience of pouring in structure, the structural design is reasonable, the assembly is simple, and the popularization and application values are high.

The utility model discloses simple structure through equipment, fixed die plate, inserts the reinforcing bar and corresponds the position, constructs the cavity template, can form shear force wall shear key, improves anti shear capacity. And a concrete hollow shell is constructed, so that the work of formwork support during later-stage concrete pouring is avoided. The hole of concreting is reserved to guarantee the convenience of concreting in the structure, and reasonable in design, the equipment is simple. The utility model discloses simple structure, very big simplification subsequent shear force wall construction's technology for the process is simplified more, effectively practices thrift the time limit for a project. Just the utility model discloses a cooperate and use bolt fastening's mode between the part for the template is assembled, is dismantled easily, and when not using, the dismantlement is opened and is used for other, and shared storage space is also less.

What has been described above is only the preferred embodiments of the present invention, and it should be noted that, for those skilled in the art, without departing from the overall concept of the present invention, a plurality of changes and improvements can be made, and these should also be regarded as the protection scope of the present invention, and these will not affect the effect of the present invention and the utility of the patent.

Claims (10)

1. Can construct exempt from formwork of dysmorphism cross section shear force wall and pour cavity template, including template body (1) of rectangle, its characterized in that: the template body (1) is close to both ends edge symmetry and is provided with wedge recess (5), and the side outer bolt connection of template body (1) that wedge recess (5) correspond has rectangular sheet metal (2).

2. A formwork-free pouring cavity formwork capable of constructing a shear wall with a special-shaped section as claimed in claim 1, wherein: the wedge-shaped groove (5) comprises a groove bottom (50) and a groove wall (51) connected with the groove bottom (50), and the length of the groove bottom (50) of the wedge-shaped groove (5) is the same as that of the rectangular thin plate (2); the elevation of the wedge-shaped groove (5) is equal to the elevation of the rectangular thin plate (2).

3. A formwork-free pouring cavity formwork capable of constructing a shear wall with a special-shaped section as claimed in claim 2, wherein: the bottom of the wedge-shaped groove (5) is level with the middle part of the template body (1).

4. A formwork-free pouring cavity formwork capable of constructing a shear wall with a special-shaped section as claimed in claim 3, wherein: the edge of the template body (1) close to the template body is penetrated with a reinforcing steel bar hole (4) matched with a reinforcing steel bar.

5. A formwork-free pouring cavity formwork capable of constructing a shear wall with a special-shaped section as claimed in claim 3, wherein: template body (1) with wedge-shaped groove (5) include closed type cavity (12) that rectangular frame (11) enclose, rectangular frame (11) are including concave type template (111) that sets up relatively, relative rectangular plate (112) that sets up, the symmetry is provided with strip plate A (1121) on rectangular plate (112) both ends face, concave type template (111) both ends are provided with strip plate A (1121) complex strip groove A (1111), be connected with butterfly type bolt (113) between relative concave type template (111), the cooperation has cross template (3) between two recesses of relative concave type template (111), rectangular frame (11) are close to the conch wall fit connection of both ends edge and are to the inside swash plate that inclines of cavity (12), three swash plates form cell wall (51).

6. A formwork-free pouring cavity formwork capable of constructing a shear wall with a special-shaped section as claimed in claim 5, wherein: the inclined plates comprise inclined plates A (511) and opposite inclined plates B (512), the two ends of each inclined plate A (511) are connected with the inclined plates B (512) through bolts, the upper end faces of the three inclined plates are connected with the shell wall of the cavity (12) to form a certain included angle, and the lower end faces of the three inclined plates are connected with the edges of the cross-shaped plates (3).

7. A formwork-free pouring cavity formwork capable of constructing a shear wall with a special-shaped section as claimed in claim 6, wherein: the section of the inclined plate A (511) is an isosceles trapezoid, the section of the inclined plate B (512) is a right trapezoid, and the surface where the inclined waist of the inclined plate A (511) is located is matched and connected with the surface where the inclined waist of the two inclined plates B (512) are located.

8. A formwork-free pouring cavity formwork capable of constructing a shear wall with a special-shaped section as claimed in claim 5, wherein: the surface of the right-angle side of the inclined plate B (512) is flush with the wall of the groove of the concave-shaped plate (111); the cross-shaped plate (3) is in bolted connection with a right-angle triangular plate (513), the bottom end of the right-angle triangular plate (513) is in bolted connection with the upper end face of the cross-shaped plate (3), and the side end face of the right-angle triangular plate (513) is in bolted connection with the side end face of the inclined plate B (512).

9. A formwork-free pouring cavity formwork capable of constructing a shear wall with a special-shaped section as claimed in claim 5, wherein: the rectangular thin plate (2) is provided with a mounting hole A (21) in a penetrating mode, the concave-shaped plate (111) is provided with a bolt hole A corresponding to the mounting hole A (21), and the rectangular thin plate (2) is fixedly connected with the concave-shaped plate (111) through the mounting hole A (21) and the bolt hole A by the connecting bolt (9).

10. A formwork-free pouring cavity formwork capable of constructing a shear wall with a special-shaped section as claimed in claim 8, wherein: the gradient from the joint of the right-angle triangular plate (513) and the cross-shaped plate (3) to the center of the cross-shaped plate (3) is 3% -6%.

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