CN110258955B

CN110258955B - Vertical main rib mounting structure in assembled shear wall-column and mounting method thereof

Info

Publication number: CN110258955B
Application number: CN201910577252.3A
Authority: CN
Inventors: 李红军; 刘辉; 张勤
Original assignee: China Metallurgical Construction Engineering Group Co Ltd
Current assignee: China Metallurgical Construction Engineering Group Co Ltd
Priority date: 2019-06-28
Filing date: 2019-06-28
Publication date: 2020-12-15
Anticipated expiration: 2039-06-28
Also published as: CN110258955A

Abstract

The invention discloses an installation structure and an installation method of a vertical main reinforcement in an assembled shear wall-column, which comprises an upper wall column member and a lower wall column member, wherein the upper wall column member is internally provided with a plurality of upper vertical reinforcements; every two corresponding upper vertical steel bars and lower vertical steel bars are fixedly connected together through a connecting device, and the connecting device comprises an outer sleeve and two inner sleeves, wherein the inner walls of the two inner sleeves are respectively used for being in threaded connection with the two corresponding vertical main bars; the inner sleeve can reciprocate along the length direction of outer sleeve to can pass through the insection meshing with the outer sleeve after two inner sleeves are rotatory, form a plurality of arc logical grooves between outer sleeve and two inner sleeves after the meshing, be equipped with one rather than the arc fastener of tight fit in at least one arc logical inslot. The mounting structure and the mounting method of the vertical main reinforcement in the assembled shear wall-column are firm in connection and convenient to assemble and operate.

Description

Vertical main rib mounting structure in assembled shear wall-column and mounting method thereof

Technical Field

The invention relates to an assembly type building, in particular to an assembly type shear wall-column middle vertical main rib mounting structure and a mounting method thereof.

Background

The assembled shear wall generally consists of an upper wall column member and a lower wall column member, wherein the upper wall column member and the lower wall column member are connected through vertical steel bars arranged in the upper wall column member and the lower wall column member. During the preparation, through setting up a plurality of preformed holes in last wall post component to vertical reinforcing bar in will the wall post component down inserts corresponding preformed hole in, and it is sealed to grout after cup jointing through welding or sleeve. The grouting mode after the sleeve connection has higher requirements on constructors and is inconvenient to popularize. The strength of the connecting structure is guaranteed by adopting a welding mode, but the welding connection is not used in the building structure of the earthquake area, and the vertical main bars are difficult to guarantee to keep a good working state in the earthquake area.

Based on the above problems, the applicant intends to design an assembled shear wall-column convenient for later installation and connection. The applicant designs a shear wall which adopts a rigid sleeve to connect each vertical main rib in upper and lower wall column members, wherein the shear wall comprises an upper wall column member and a lower wall column member, a plurality of upper vertical reinforcing steel bars are arranged in the upper wall column member, a plurality of lower vertical reinforcing steel bars are arranged in the lower wall column member, and the upper ends of the lower vertical reinforcing steel bars extend out of the connecting ends of the lower wall column member; the lower end of each upper vertical steel bar is provided with a reserved blind hole, and each lower vertical steel bar and each upper vertical steel bar have the same axle center; the lower end of each upper vertical steel bar and the upper end of each lower vertical steel bar are respectively provided with a section of prefabricated thread with consistent specification; and each reserved blind hole is provided with a reserved operation hole, and a plurality of grouting holes communicated with the reserved blind holes are arranged in the depth direction of each reserved blind hole at intervals. During installation, a plurality of upper sleeves used for being in threaded connection with the upper vertical steel bars and a plurality of lower sleeves used for being in threaded connection with the lower vertical steel bars are prefabricated, and a middle connecting steel bar of which the upper end and the lower end are respectively in threaded connection with the upper sleeve and the lower sleeve is arranged between each upper sleeve and each lower sleeve. The upper vertical steel bars and the lower vertical steel bars are connected together mainly in the shear wall in a threaded connection mode, but the connecting steel bars, the upper sleeve and the lower sleeve are easily mixed in the assembling process, the assembly is inconvenient, and meanwhile the assembly is troublesome after the assembly is mistaken. Based on this, the applicant intends to design a shear wall column connection structure and an installation method thereof, which are convenient to assemble and have high installation strength.

Disclosure of Invention

Aiming at the defects of the prior art, the technical problems to be solved by the invention are as follows: how to provide a vertical main reinforcement mounting structure in an assembly type shear wall-column and a mounting method thereof, wherein the structure is firm in connection and convenient to assemble and operate.

In order to solve the technical problems, the invention adopts the following technical scheme:

the mounting structure comprises an upper wall column component and a lower wall column component, wherein a plurality of upper vertical steel bars are arranged in the upper wall column component, a plurality of lower vertical steel bars are arranged in the lower wall column component, threads are arranged at the lower ends of the upper vertical steel bars and the upper ends of the lower vertical steel bars, the thread directions of the upper vertical steel bars and the lower vertical steel bars are opposite, the lower vertical steel bars and the upper vertical steel bars are arranged in a one-to-one correspondence manner, and the upper ends of the lower vertical steel bars extend out of the connecting end of the lower wall column component; a reserved operation hole is formed in the upper wall column member and at the lower end of each upper vertical steel bar; the steel bar splicing device is characterized in that every two corresponding upper vertical steel bars and lower vertical steel bars are fixedly connected together through a connecting device, the connecting device comprises an outer sleeve and two inner sleeves, the outer walls of the two inner sleeves are matched with the inner wall of the outer sleeve, and the inner walls of the two inner sleeves are respectively in threaded connection with the two corresponding upper vertical steel bars and the lower vertical steel bars; a plurality of arc-shaped grooves arranged along the length direction of the outer sleeve are circumferentially arranged on the inner cylinder of the outer sleeve at intervals, an arc-shaped bulge with the same insection is formed between every two adjacent arc-shaped grooves, a plurality of inner cylinder connecting parts which can be in one-to-one correspondence with the arc-shaped bulges and can be meshed with the arc-shaped bulges through the insection are arranged outside the two inner sleeves, and the inner cylinder connecting parts are protruded out of the outer wall of the inner sleeve and are arc-shaped; two inner skleeves overlap the upper and lower both ends at the outer sleeve respectively, when the arc recess one-to-one of the inner tube connecting portion of two inner skleeves and outer sleeve corresponds, the length direction that the outer sleeve can be followed to the inner skleeve reciprocates, outer sleeve and two inner skleeves are in the unblock state, after the arc arch one-to-one and the meshing of the inner tube connecting portion of two inner skleeves and the outer sleeve, form an arc logical groove between every two adjacent arc arch and the inner tube connecting portion, it is equipped with an arc fastener rather than the tight fit to lead to the inslot at least one arc, make outer. Thus, when in use, the two inner sleeves are respectively connected with the two vertical steel bars in the steel-concrete structure through threads, then the inner sleeves of the steel-concrete shear wall, column or beam at the lower end are sleeved with the outer sleeves, when the sleeves are sleeved, the arc-shaped grooves of the outer sleeves are aligned with the inner-cylinder connecting parts of the inner sleeves one by one, so that the outer sleeves can freely move up and down along the inner sleeves, then another section of steel-concrete shear wall, column or beam is hoisted, the inner sleeves on the outer sleeves are in one-to-one correspondence with the outer sleeves on another section of shear wall, column or beam, meanwhile, the two corresponding inner sleeves are finely adjusted to enable the inner-cylinder connecting parts of the two inner sleeves to be in one-to-one correspondence, then the shear wall, column or beam is continuously lowered to enable the ends of the two inner sleeves to be abutted, finally, the outer sleeves are moved up to the two central inner sleeves, and the arc-shaped clamping piece is clamped in the arc-shaped through groove formed after occlusion, so that the outer sleeve is prevented from loosening during concrete pouring. After adopting the vertical main muscle of above-mentioned structure tie-beam, through thread fixed connection between vertical main muscle and the two inner skleeve, through the insection meshing between two inner skleeve and the outer skleeve, simultaneously, through arc fastener chucking, joint strength is high, can not appear not hard up because of external vibration. The outer sleeve is used for connecting the two inner sleeves together, and meanwhile, the axes of the two vertical main ribs, the two inner sleeves and the outer sleeve can be ensured, so that the connecting strength of the vertical main ribs is high.

Furthermore, the inner walls of the two inner sleeves are provided with threads, and the thread directions of the two inner sleeves are opposite. Therefore, the pre-tightening directions of the two inner sleeves and the two vertical main reinforcements are different, and the connecting strength of the vertical reinforcements can be effectively improved.

Furthermore, the sum of the lengths of the two inner sleeves is greater than the length of the outer sleeve, a clamping groove is respectively formed in one end, abutted against the two inner sleeves, of the two inner sleeves and the outer wall of the two inner sleeves, the two clamping grooves are correspondingly formed, and a clamping piece matched with the clamping groove is arranged in the two clamping grooves. Like this, after setting up the draw-in groove, can be convenient for finely tune two telescopic inner tube, make two telescopic inner tube connecting portion align the back one by one, go into a card in two draw-in grooves, tentatively with two inner skleeve connections, when preventing that the outer sleeve from shifting up or the outer sleeve is rotatory, positional deviation appears in two inner skleeve under the exogenic action, and the chucking that influences outer sleeve and two inner skleeve is fixed.

Furthermore, the number of the arc-shaped bulges on the inner cylinder of the outer sleeve is four, the thickness and the arc length of the bulges of the four arc-shaped bulges are consistent, and the four arc-shaped bulges are uniformly distributed on the inner cylinder of the outer sleeve. Like this, the preparation of being more convenient for when the preparation, simultaneously, the protruding thickness of arc and the unanimous back of arc length are convenient for pass through the insection with inner tube connecting portion and are in the same place.

Furthermore, the left and right sides of the inner cylinder connecting part of each arc-shaped protrusion and the two inner sleeves are obliquely arranged towards the center direction of the outer sleeve. Therefore, the side ends of the arc-shaped protrusions and the inner cylinder connecting part are inclined planes, the contact area is larger, and the connection is tighter.

Furthermore, the arc-shaped clamping pieces are two, and the two arc-shaped clamping pieces are respectively clamped at two ends of the arc-shaped through groove formed after the outer sleeve and the two inner sleeves are clamped. Like this, the arc through groove position that every inner skleeve and outer sleeve formed all has an arc fastener chucking at least, can effectively prevent to lead to appearing becoming flexible between outer sleeve and the inner skleeve because of outside such as earthquake.

Further, the length of arc fastener equals 1/4 times the length of inner skleeve, and thickness slightly is less than the cell body degree of depth that the groove was led to the arc, all is equipped with a spherical arch at every arc fastener and outer skleeve inner wall corresponding surface, the outer end of spherical arch and the sum of arc fastener are greater than the cell body degree of depth that the groove was led to the arc. Therefore, the contact area between the arc-shaped clamping piece and the outer sleeve is large, the connection strength is high, and dislocation is not easy to occur under vibration.

Furthermore, the spherical bulge is positioned at one end of the arc-shaped clamping piece close to the end head of the outer sleeve. Thus, the clamping part is close to the end position of the sleeve.

Furthermore, a plurality of sawtooth parts which protrude outwards and are vertically arranged are arranged on the outer wall of the outer sleeve. Like this, can effectively increase the integration between outer sleeve and the grout material, and increase the frictional force on sleeve surface when the construction, make things convenient for the sleeve to twist reverse.

A method for installing a vertical main rib in an assembled shear wall-column is characterized by comprising the following steps: s1, prefabricating an upper wall column member, a lower wall column member and a plurality of connecting devices which meet the process requirements in a factory; s2, connecting the prefabricated inner sleeve with each upper vertical steel bar and each lower vertical steel bar through threads respectively, and facing one end of the inner sleeve with a clamping groove to the opposite end of the upper vertical steel bar and the lower vertical steel bar during assembly; s3, sleeving an outer sleeve on each inner sleeve on the lower vertical steel bar of the lower wall column member, wherein when the sleeves are sleeved, the arc-shaped grooves of the outer sleeves need to be aligned with the inner sleeve connecting parts of the inner sleeves one by one; s4, hoisting the upper wall column member to the position right above the lower wall column member by adopting hoisting equipment, and aligning each inner sleeve in the upper wall column member to an outer sleeve sleeved on the lower vertical steel bar until the outer sleeve is adjacent to the inner sleeve on the upper vertical steel bar; s5, fine tuning the two corresponding inner sleeves through the reserved operation holes to enable the inner sleeve connecting parts of the two inner sleeves to correspond one to one and the tail ends of the two inner sleeves to abut against each other, and before fine tuning, sliding the outer sleeve to enable the upper ends of the inner sleeves sleeved on the vertical steel bars at the lower part to be exposed; s6, after fine adjustment, clamping a card in the clamping groove of each two inner sleeves, moving the outer sleeve up to the center of the two inner sleeves, and rotating one of the inner sleeves by using a tool to enable the arc-shaped protrusion of the outer sleeve to be meshed with the inner sleeve connecting parts of the two inner sleeves; and S7, clamping an arc-shaped clamping piece in an arc-shaped through groove formed after each inner sleeve is meshed with each outer sleeve, and completing the connection of the upper vertical steel bar and the lower vertical steel bar. Like this, the vertical reinforcing bar of upper portion and the vertical reinforcing bar of lower part pass through threaded connection with its inner skleeve that corresponds respectively, and still the cover is equipped with an outer sleeve on two inner skleeves, the outer sleeve can be followed two inner skleeve and slided from top to bottom and through rotatory and two inner skleeve fixed connection, and the installation back can ensure the vertical reinforcing bar of upper portion and the coaxial axle center of the vertical reinforcing bar of lower part to ensure the intensity between each vertical reinforcing bar, simultaneously, all adopt mechanical connection's mode fixed connection between vertical reinforcing bar of upper portion, the vertical reinforcing bar of lower part, inner skleeve, the outer sleeve, and this kind of connected mode is very firm, can effectively. Because the thread directions of the two inner sleeves are different, and meanwhile, the clamping grooves are also positioned at different ends, the device cannot be confused in the using process and can be successfully installed at one time. The card that is gone into in the draw-in groove can be tentatively connected two inner skleeve in the installation, prevents that the outer sleeve from moving upward or when the outer sleeve is rotatory, and position deviation appears in two inner skleeve under the exogenic action, influences the outer sleeve and fixes with the chucking of two inner skleeve.

Compared with the prior art, the mounting structure and the mounting method of the vertical main reinforcement in the assembled shear wall-column have the following advantages:

1. the vertical main ribs in the shear wall-column are respectively in threaded connection with the inner sleeves, meanwhile, the outer sleeves are sleeved on every two inner sleeves, the outer sleeves are connected with the outer walls of the inner sleeves in an occlusion mode through the insections, meanwhile, after the arc-shaped clamping pieces are clamped in cavities outside the occlusion connection, the two vertical main ribs are connected and locked with the inner sleeves and the outer sleeves, and the parts are coaxial, so that the connection strength is extremely high.

2. In the assembling process, the integral structures of the inner sleeves sleeved on the upper vertical steel bars and the lower vertical steel bars are the same, and the inner sleeves are different from each other, so that whether the inner sleeves can be assembled with the corresponding vertical steel bars or not can be judged during installation, assembling errors cannot occur, the inner sleeves can be assembled in place at one time, and the assembling process does not need too high technical content.

Drawings

FIG. 1 is a schematic view of the construction of an upper wall stud member and a lower wall stud member in an unassembled connection device according to one embodiment;

FIG. 2 is an enlarged schematic view of the connecting device of the embodiment after the connecting device is assembled with the upper vertical steel bars and the lower vertical steel bars;

FIG. 3 is a schematic cross-sectional view of 2-2 in FIG. 2;

FIG. 4 is a cross-sectional view of the outer sleeve in the embodiment;

FIG. 5 is a sectional view of the inner sleeve according to the embodiment;

FIG. 6 is a partially enlarged schematic view of an inner sleeve according to an embodiment;

FIG. 7 is a schematic perspective view of an arc-shaped fastener according to an embodiment;

FIG. 8 is a schematic view showing an assembled structure of the connecting device in S4 in the embodiment;

FIG. 9 is a schematic view showing an assembled structure of the connecting device in S5 in the embodiment;

FIG. 10 is a schematic view showing an assembled structure of the connecting device in S6 in the embodiment;

fig. 11 is a schematic structural view of the connecting device in S7 according to the embodiment after the assembly is completed.

In the figure: go up wall post component 1, reserve blind hole 11, wire net 12, reserve handle hole 13, grout hole 14, wall post component 2 down, upper portion vertical reinforcement 3, lower part vertical reinforcement 4, inner skleeve 5, inner tube connecting portion 51, draw-in groove 52, outer sleeve 6, arc recess 61, arc arch 62, sawtooth portion 63, arc logical groove 7, arc fastener 8, spherical arch 81, card 9.

Detailed Description

The invention is further illustrated with reference to the following figures and examples.

Example (b):

as shown in fig. 1 to 6, the mounting structure of a vertical main reinforcement in an assembled shear wall-column provided in this embodiment includes an upper wall column member 1 with a plurality of upper vertical reinforcements 3 arranged therein and a lower wall column member 2 with a plurality of lower vertical reinforcements 4 arranged therein, the lower vertical reinforcements 4 of the lower wall column member 2 correspond to the upper vertical reinforcements 3 of the upper wall column member 1 one by one, and the upper ends of the lower vertical reinforcements 4 extend out of the connecting end of the lower wall column member 2; a plurality of reserved blind holes 11 which are used for placing the lower ends of the upper vertical steel bars 3 in the upper wall column member 1 and extend to the end part of the connecting end of the upper wall column member 1 are formed in the upper wall column member 1; the extension length of the extension end of each lower vertical steel bar 4 in the lower wall column member 2 is greater than the length of the reserved blind hole 11, and each lower vertical steel bar 4 in the lower wall column member 2 and the corresponding upper vertical steel bar 3 in the upper wall column member 1 are coaxial; the lower end of each upper vertical steel bar 3 and the upper end of each lower vertical steel bar 4 are provided with a section of prefabricated thread with consistent specification; each reserved blind hole 11 is provided with a reserved operation hole 13 which is used for connecting every two corresponding upper vertical steel bars 3 and lower vertical steel bars 4 in the upper wall column member 1 and the lower wall column member 2, grouting is performed after the upper vertical steel bars 3 and the lower vertical steel bars 4 are connected, and then sealing is performed, wherein the reserved operation hole 13 is communicated with the upper end of the corresponding reserved blind hole 11; a plurality of grouting holes 14 vertical to the axial lead of each reserved blind hole 11 are arranged at intervals in the depth direction of each reserved blind hole 11, and the grouting holes 14 are communicated with the reserved blind holes 11; every two corresponding upper vertical steel bars and lower vertical steel bars are fixedly connected together through a connecting device, the connecting device comprises an outer sleeve 6 and an inner sleeve 5, the outer walls of the inner sleeve 6 are matched with the inner wall of the outer sleeve 6, and the inner wall of the inner sleeve is respectively in threaded connection with the two corresponding upper vertical steel bars 3 and the lower vertical steel bars 4; a plurality of arc-shaped grooves 61 arranged along the length direction of the outer sleeve are circumferentially arranged on the inner cylinder of the outer sleeve 6 at intervals, an arc-shaped bulge 62 with the same insection is formed between every two adjacent arc-shaped grooves 61, and a plurality of sawtooth parts 63 which are outwards bulged and are vertically arranged are arranged on the outer wall of the outer sleeve 6; a plurality of inner cylinder connecting parts 51 which correspond to the arc-shaped bulges 62 one by one and can be meshed with the arc-shaped bulges through insections are arranged outside the two inner sleeves 5, and the inner cylinder connecting parts 51 protrude out of the outer wall of the inner sleeves 5 and are arc-shaped; two inner skleeve 5 overlap the upper and lower both ends at outer sleeve 6 respectively, and the length sum of two inner skleeve 5 is greater than the length of outer sleeve 6, when the inner tube connecting portion 51 of two inner skleeve 5 corresponds with the arc recess 61 one-to-one of outer sleeve, inner skleeve 5 can reciprocate along the length direction of outer sleeve 6, outer sleeve 6 and two inner skleeve 5 are in the unblock state, after the inner tube connecting portion 51 of two inner skleeve 5 and the arc arch 62 one-to-one and the interlock of outer sleeve, form an arc through groove 7 between every two adjacent arc arch 62 and the inner tube connecting portion 51, be equipped with an arc fastener 8 rather than the tight fit in at least one arc through groove 7, at this moment, 6.

In order to provide sufficient installation space for upper portion vertical steel bar 3 and lower part vertical steel bar 4 in later stage, the vertical height of adjacent reservation blind hole 11 differs, and the length of every reservation handle hole 13 is the twice of the thread length sum of upper portion vertical steel bar 3 and lower part vertical steel bar 4, and the width of reservation handle hole 13 is the twice of upper portion vertical steel bar 3 diameter.

In order to ensure the compactness of the later grouting, the distance between each row of grouting holes 14 positioned at the top end in the upper shear wall 1 and the reserved operating holes 13 is 5-10 cm.

The screw thread direction of upper portion vertical reinforcement 3 and lower part vertical reinforcement 4 is opposite in this embodiment, and is corresponding, and every two corresponding inner skleeve 5's inner wall all is equipped with the screw thread, and two inner skleeve 5's screw thread direction is opposite.

One end of each of the two inner sleeves 5 and the outer wall of each of the two inner sleeves 5 are respectively provided with a slot, the two slots 52 are correspondingly arranged, and a card 9 matched with the two slots 52 is arranged in each of the two slots 52.

The number of the arc-shaped protrusions 62 on the inner cylinder of the outer sleeve 6 in this embodiment is four, the protrusion thickness and the arc length of the four arc-shaped protrusions 62 are consistent, and the four arc-shaped protrusions 62 are uniformly distributed on the inner cylinder of the outer sleeve 6. Each of the arc-shaped projections 62 and the left and right sides of the inner cylinder connecting portion 51 of the two inner sleeves 5 are disposed obliquely toward the center of the outer sleeve 6.

Specifically, two arc-shaped clamping pieces 8 are arranged in the embodiment, and the two arc-shaped clamping pieces 8 are respectively clamped at two ends of the arc-shaped through groove 7 formed after the outer sleeve and the two inner sleeves are clamped. The length of arc fastener 8 equals 1/4 times the length of inner skleeve, and thickness slightly is less than the cell body degree of depth that the groove 7 was led to the arc, all is equipped with a spherical arch 81 (as shown in figure 7) at every arc fastener 8 and the corresponding face of outer sleeve inner wall, the outer end of spherical arch 81 and the groove body degree of depth that the groove 7 was led to the arc with the sum of arc fastener 8 are greater than to the arc, and spherical arch 81 is located the one end that the arc fastener is close to the outer. In specific implementation, in order to make the outer sleeve 6 and the inner sleeve 5 connected tightly to the maximum extent and prevent the inner sleeve 5 from loosening under the influence of external force, an arc-shaped clamping piece 8 matched with each arc-shaped through groove 7 can be inserted into each arc-shaped through groove 7. Meanwhile, the length of the arc-shaped clamping piece 8 can also be set as the sum of the lengths of the two inner sleeves 5, so that the assembly time can be reduced during assembly, but the clamping difficulty is higher when the arc-shaped clamping piece 8 is clamped in due to the longer clamping length.

A method for installing a vertical main rib in an assembled shear wall-column comprises the following steps: s1, prefabricating the upper wall column member 1, the lower wall column member 2 and the connecting devices according to the process requirements in a factory; s2, connecting the prefabricated inner sleeve 5 with each upper vertical steel bar 3 and each lower vertical steel bar 4 through threads respectively, and facing one end of the inner sleeve 5 with the clamping groove 52 to the opposite end of the upper vertical steel bar and the lower vertical steel bar during assembly; s3, sleeving an outer sleeve 6 on each inner sleeve 5 on the vertical steel bars 4 at the lower part of the lower wall column component 2, wherein when the outer sleeve 6 is sleeved, the arc-shaped grooves 61 of the outer sleeve 6 are required to be aligned with the inner sleeve connecting parts 51 of the inner sleeves 5 one by one; s4, hoisting the upper wall column member 1 to the position right above the lower wall column member 2 by using a hoisting device, and aligning each reserved blind hole 11 in the upper wall column member 1 with the outer sleeve 6 sleeved on the lower vertical steel bar 4 until the outer sleeve 6 is adjacent to the inner sleeve 5 on the upper vertical steel bar 3 (as shown in fig. 8); s5, fine tuning the two corresponding inner sleeves 5 through the reserved operation holes 13 to enable the inner cylinder connecting parts 51 of the two inner sleeves 5 to correspond one by one and the tail ends of the two inner sleeves 5 to be abutted (as shown in figure 9), before fine tuning, the outer sleeve 6 needs to be slid to enable the upper ends of the inner sleeves 5 sleeved on the lower vertical steel bars 4 to be exposed; s6, after fine adjustment, inserting the card 9 into the slot 52 of each two inner sleeves 5, then moving the outer sleeve 6 up to the center of the two inner sleeves 5, and rotating one of the inner sleeves 5 with a tool to engage the arc-shaped protrusion 62 of the outer sleeve 6 with the inner cylinder connecting portion 51 of the two inner sleeves 5 (as shown in fig. 10); and S7, clamping arc-shaped clamping pieces 8 into the arc-shaped through grooves 7 (shown in figure 11) formed after the inner sleeve 5 and the outer sleeve 6 are meshed, and completing the connection of the upper vertical steel bars and the lower vertical steel bars.

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the technical solutions, and although the present invention has been described in detail by referring to the preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions to the technical solutions of the present invention can be made without departing from the spirit and scope of the technical solutions, and all the modifications and equivalent substitutions should be covered by the claims of the present invention.

Claims

1. The mounting structure comprises an upper wall column component (1) internally provided with a plurality of upper vertical steel bars (3) and a lower wall column component (2) internally provided with a plurality of lower vertical steel bars (4), wherein the lower ends of the upper vertical steel bars (3) and the upper ends of the lower vertical steel bars (4) are respectively provided with threads, the thread directions of the upper vertical steel bars (3) and the lower vertical steel bars are opposite, the lower vertical steel bars and the upper vertical steel bars (3) are arranged in a one-to-one correspondence manner, and the upper ends of the lower vertical steel bars (4) extend out of the connecting end of the lower wall column component (2); a reserved operation hole (13) is formed in the upper wall column member (1) and at the lower end of each upper vertical steel bar (3); the steel bar splicing device is characterized in that every two corresponding upper vertical steel bars (3) and lower vertical steel bars (4) are fixedly connected together through a connecting device, and the connecting device comprises an outer sleeve (6) and an inner sleeve (5), wherein the outer wall of the inner sleeve is matched with the inner wall of the outer sleeve (6), and the inner wall of the inner sleeve is respectively in threaded connection with the two corresponding upper vertical steel bars (3) and lower vertical steel bars (4); a plurality of arc-shaped grooves (61) arranged along the length direction of the outer sleeve are circumferentially arranged on the inner cylinder of the outer sleeve (6) at intervals, an arc-shaped bulge (62) with the same insection is formed between every two adjacent arc-shaped grooves (61), a plurality of inner cylinder connecting parts (51) which can be in one-to-one correspondence with the arc-shaped bulges (62) and can be meshed with the arc-shaped bulges through insection are arranged outside the two inner sleeves (5), and the inner cylinder connecting parts (51) protrude out of the outer wall of the inner sleeve (5) and are arc-shaped; two inner skleeve (5) overlap respectively the upper and lower both ends of outer sleeve (6), when inner tube connecting portion (51) of two inner skleeve (5) and arc recess (61) one-to-one of outer sleeve correspond, the length direction of outer sleeve (6) can be followed in inner skleeve (5) reciprocates, outer sleeve (6) and two inner skleeve (5) are in the unblock state, after arc arch (62) one-to-one and the interlock of inner tube connecting portion (51) and the outer sleeve of two inner skleeve (5), form an arc through groove (7) between every two adjacent arc arch (62) and inner tube connecting portion (51), be equipped with one in at least one arc through groove (7) rather than arc fastener (8) of tight fit, make outer sleeve (6) and two inner skleeve (5) be in the locking state.

2. The fabricated shear wall-column main vertical bar installation structure according to claim 1, wherein the inner walls of each two corresponding inner sleeves (5) are threaded, and the threads of the two inner sleeves (5) are opposite in direction.

3. The mounting structure for the vertical main rib in the assembled shear wall-column according to claim 1 or 2, wherein the sum of the lengths of the two inner sleeves (5) is greater than the length of the outer sleeve (6), a clamping groove is respectively formed at one end of the two inner sleeves (5) which are abutted against each other and on the outer wall of the two inner sleeves (5), the two clamping grooves (52) are correspondingly arranged, and a clamping piece (9) matched with the clamping grooves (52) is arranged in the two clamping grooves (52).

4. The fabricated shear wall-column main vertical rib installation structure according to claim 3, wherein the number of the arc-shaped protrusions (62) on the inner cylinder of the outer sleeve (6) is four, the protrusion thickness and the arc length of the four arc-shaped protrusions (62) are consistent, and the four arc-shaped protrusions (62) are uniformly distributed on the inner cylinder of the outer sleeve (6).

5. The fabricated shear wall-column main vertical rib installation structure according to claim 4, wherein each of the arc-shaped protrusions (62) and the left and right sides of the inner cylinder connection portion (51) of the two inner sleeves (5) are inclined toward the center of the outer sleeve (6).

6. The mounting structure for the vertical main rib in the assembled shear wall-column according to claim 5, wherein the number of the arc-shaped clamping pieces (8) is two, and the two arc-shaped clamping pieces (8) are respectively clamped at two ends of the arc-shaped through groove (7) formed after the outer sleeve is clamped with the two inner sleeves.

7. The mounting structure for the vertical main rib in the assembled shear wall-column according to claim 6, wherein the length of the arc-shaped clamping piece (8) is equal to 1/4 times of the length of the inner sleeve, the thickness of the arc-shaped clamping piece is slightly smaller than the groove depth of the arc-shaped through groove (7), a spherical protrusion (81) is arranged on the surface of each arc-shaped clamping piece (8) corresponding to the inner wall of the outer sleeve, and the sum of the outer end of the spherical protrusion (81) and the arc-shaped clamping piece (8) is larger than the groove depth of the arc-shaped through groove (7).

8. The fabricated shear wall-column vertical king bar installation structure of claim 7, wherein the spherical protrusion (81) is located at one end of the arc-shaped fastener close to the end of the outer sleeve.

9. The vertical king wire installation structure in assembled shear wall-column according to claim 5, 6 or 7, wherein the outer wall of the outer sleeve (6) has a plurality of serrations (63) protruding outwards and arranged vertically.

10. A method for installing a vertical main rib in an assembled shear wall-column is characterized by comprising the following steps: s1, prefabricating a vertical main reinforcement mounting structure in the matched shear wall-column according to the process requirement as claimed in claim 9 in a factory; s2, respectively connecting the prefabricated inner sleeve (5) with each upper vertical steel bar (3) and each lower vertical steel bar (4) in a threaded manner, and during assembly, enabling one end, provided with a clamping groove (52), of the inner sleeve (5) to face the opposite end of each upper vertical steel bar and each lower vertical steel bar; s3, sleeving an outer sleeve (6) on each inner sleeve (5) on the vertical steel bar (4) at the lower part of the lower wall column component (2), and aligning the arc-shaped grooves (61) of the outer sleeves (6) with the inner sleeve connecting parts (51) of the inner sleeves (5) one by one when the outer sleeves are sleeved; s4, hoisting the upper wall column member (1) to the position right above the lower wall column member (2) by adopting hoisting equipment, aligning each inner sleeve (5) in the upper wall column member (1) to the outer sleeve (6) sleeved on the lower vertical steel bar (4) until the outer sleeve (6) is adjacent to the inner sleeve (5) on the upper vertical steel bar (3); s5, fine adjustment is carried out on the two corresponding inner sleeves (5) through the reserved operation holes (13), the inner sleeve connecting parts (51) of the two inner sleeves (5) are in one-to-one correspondence, the tail ends of the two inner sleeves (5) are abutted, and before fine adjustment, the outer sleeve (6) needs to be slid, so that the upper ends of the inner sleeves (5) sleeved on the lower vertical steel bars (4) are exposed; s6, after fine adjustment, clamping a clamping piece (9) in the clamping groove (52) of each two inner sleeves (5), moving the outer sleeve (6) up to the centers of the two inner sleeves (5), and rotating one of the inner sleeves (5) by using a tool to enable the arc-shaped protrusion (62) of the outer sleeve (6) to be meshed with the inner-cylinder connecting part (51) of the two inner sleeves (5); and S7, clamping an arc-shaped clamping piece (8) in an arc-shaped through groove (7) formed after each inner sleeve (5) is meshed with each outer sleeve (6), and completing the connection of the upper vertical steel bars and the lower vertical steel bars.