CN110565943B

CN110565943B - Steel back edge for reinforcing combined type assembled cast-in-situ hidden column template and mounting method

Info

Publication number: CN110565943B
Application number: CN201910782496.5A
Authority: CN
Inventors: 王波; 李晓峰; 陈健
Original assignee: China MCC17 Group Co Ltd
Current assignee: China MCC17 Group Co Ltd
Priority date: 2019-08-23
Filing date: 2019-08-23
Publication date: 2021-09-07
Anticipated expiration: 2039-08-23
Also published as: CN110565943A

Abstract

The invention discloses a steel back edge for reinforcing a combined type assembled cast-in-place hidden column formwork and an installation method, and belongs to the technical field of cast-in-place hidden column formwork reinforcing construction. The cast-in-place embedded column template comprises a steel back edge and two adjustable reinforcing members, wherein the steel back edge is transversely arranged, the adjustable reinforcing members are vertically arranged, the connecting members are fixedly connected to the steel back edge, the two connecting members are vertically and symmetrically arranged, positioning grooves are formed in the two connecting members, one side wall of each connecting member, relative to the steel back edge, is open, a guide rail is arranged on the corresponding side wall, the guide rail is connected with a locking member in a matching mode, the upper end and the lower end of each adjustable reinforcing member are connected with limiting members in a matching mode, and the two limiting members extend into the corresponding positioning grooves and are respectively connected with the corresponding locking members in a matching mode.

Description

Steel back edge for reinforcing combined type assembled cast-in-situ hidden column template and mounting method

Technical Field

The invention belongs to the technical field of cast-in-place hidden column formwork reinforcing construction, and particularly relates to a steel back edge for reinforcing a combined type assembled cast-in-place hidden column formwork and an installation method.

Background

The assembly type structure, namely the component, is industrially produced in a factory and is directly assembled when being transported to a site. The components are produced in a standardized manner in a factory, so that the quality is standardized, the on-site dust fall and noise reduction are facilitated, the generation of solid wastes is reduced, the on-site personnel allocation is reduced, the turnover material allocation is reduced, and the on-site green construction is realized. The outer wall prefabricated part is from taking the heat preservation, and traditional outer scaffold frame is not needed in the construction of main building, compares more convenient, swift with the cast-in-place structure of traditional structure, practices thrift total construction period.

The assembly type building has the advantages of high production efficiency, environmental protection and the like, has wide application in the building market in recent years, and the country vigorously pushes the development of the assembly type building according to the action scheme of the thirteen-five assembly type building, which is printed by Ministry of housing and construction in 2017 in 3 months, so that the application prospect is wide.

In order to realize the reinforcement of the cast-in-place hidden column template with the fabricated structure, the outer wall of the cast-in-place hidden column part is designed into a PCF concrete template, an inner wall template is sealed by a wood template, and a counter-pull screw rod is used for reinforcement. The operating space of the hidden column part is narrow, the template reinforcing difficulty is high, the integral rigidity of a reinforcing system is weak, the lateral pressure capability generated by a vibrating rod during concrete pouring is limited, the quality problems of mold expansion, slab staggering, template seam cracking, slurry leakage and the like are easily caused, and the plastering-free quality requirement of an assembled structure cannot be met.

Disclosure of Invention

The invention aims to overcome the defects in the prior art, and provides the steel back edge for reinforcing the combined type cast-in-place embedded column formwork and the mounting method.

In order to achieve the purpose, the invention adopts the following scheme:

the cast-in-place dark post template of modular assembly is consolidated and is used steel backing stupefied, including the stupefied and the adjustable reinforcement of vertical setting of the steel backing of horizontal setting, the stupefied fixedly connected with connecting piece on the steel backing, the connecting piece longitudinal symmetry is provided with two, two the constant head tank has all been seted up in the connecting piece, two a lateral wall that the connecting piece is stupefied relative steel backing is open and is equipped with the guide rail on setting up and the lateral wall, the accordant connection has the lock piece on the guide rail, the equal accordant connection in upper and lower both ends of adjustable reinforcement has locating part, two the locating part extends to in the constant head tank that corresponds and respectively with the lock piece accordant connection that corresponds.

Furthermore, the cross section of constant head tank is T shape structure, be equipped with the spud in the constant head tank, the spud and the end-face fit of adjustable reinforcement.

Furthermore, the cross section of the guide rail is of a dovetail structure, and a dovetail groove matched with the guide rail is formed in one side wall of the locking piece, opposite to the connecting piece.

Further, guide rail and locking piece are the setting of slant upwards, guide rail and locking piece and the stupefied horizontal plane contained angle of steel back of the body are 5 ~ 20.

Furthermore, the reinforcement is including the linkage segment that is located both ends and the regulation section that is located the middle part, two the mounting groove with locating part complex, two are all seted up to one side end of linkage segment the other end fixedly connected with adapter sleeve of linkage segment, the both ends of regulation section all are equipped with the regulation district, two the regulation opposite direction in regulation district, regulation district and adapter sleeve accordant connection, the middle part fixedly connected with adjustment disk in regulation section.

Further, the locating part includes the installation department and spacing portion of an organic whole connection, installation department fixed connection is in the mounting groove, spacing portion is the thin wedge structure that the lower extreme is thick in upper end, the bottom surface of spacing portion and the top surface laminating of locking piece.

The invention also discloses an installation method of the steel back edge for reinforcing the combined type assembled cast-in-place concealed column template, which comprises the following steps:

placing supporting templates on two sides of a prefabricated shear wall, and primarily fixing the supporting templates and the prefabricated shear wall by using split bolts;

hanging the steel back ridge assembly on a screw rod of a split bolt, adjusting a nut of the split bolt to extrude the steel back ridge to move inwards until a support template is attached to the prefabricated shear wall, and checking the verticality;

step three, adjusting an adjusting disk of an adjusting section of the adjustable reinforcing member, wherein the adjusting area drives the connecting sleeve to move towards the direction close to the positioning groove until the adjusting sections of the adjustable reinforcing member are respectively inserted into the positioning grooves of the connecting member and are completely attached;

and step four, limiting the connecting section in the mounting groove through the dovetail structure of the guide rail and the dovetail groove on the locking piece, and attaching the top surface of the locking piece to the bottom surface of the limiting part.

Compared with the prior art, the invention can obtain the following technical effects:

1. the adjustable steel back edge is provided with a steel back edge and an adjustable reinforcing member, an upper connecting piece and a lower connecting piece are fixed on the steel back edge, and two ends of the adjustable reinforcing member are respectively matched with a locking piece matched with the corresponding connecting piece and an internal positioning groove so as to fixedly connect the upper steel back edge and the lower steel back edge into a whole. Can fix the outside at precast shear wall more steadily with the supporting template through monolithic structure, even use vibrating equipment to also guarantee its supporting template stability when pouring the concrete and prevent quality problems such as leaking thick liquid, wrong platform, template piece fracture and leaking thick liquid, and can also guarantee its cast in situ concrete's plane degree, save the expense and the operation of later stage plane integration step.

2. The positioning groove is of a T-shaped structure, and the positioning pile at the inner side is matched with the adjustable reinforcing member, so that the adjustable reinforcing member is convenient to limit left and right and can be conveniently and quickly butted with the connecting member up and down.

3. The cross section of the guide rail is of a dovetail structure, a dovetail groove matched with the guide rail is formed in one side wall, opposite to the connecting piece, of the locking piece, and the dovetail groove and the dovetail structure can enable the guide rail and the locking piece to be matched more closely, so that integrity between the upper steel back edge and the lower steel back edge and an adjustable reinforcing piece used for connection is stably and effectively guaranteed.

4. The guide rail and the locking piece are arranged in the right-hand side of the steel back edge 1 in an inclined upward mode, the left end of the guide rail is provided with a stop block, and the horizontal plane included angle between the guide rail and the steel back edge 1 and the horizontal plane included angle between the guide rail and the locking piece are 5-20 degrees. Utilize guide rail and dog to carry out the slope side with the locking piece and fix, prevent that vibrating equipment from producing vibrations and then making guide rail and locking piece produce not hard up to the supporting die board when concrete construction, effectively guaranteed the stupefied overall structure's of steel backing stability.

5. The adjustable reinforcing member comprises a connecting section and an adjusting section, wherein the top of the connecting section is provided with a mounting groove and a connecting sleeve, the adjusting section is provided with two adjusting regions in opposite directions, the adjusting regions are in threaded fit with the connecting sleeve, and only an adjusting disc needs to be rotated when the connecting section is adjusted from top to bottom.

6. The limiting part is arranged and comprises an installation part and a limiting part, wherein the limiting part is of a wedge-shaped structure with a thin upper part and a thick lower part and is matched with the locking part for use so as to limit the connection section in the upper and lower directions, and the deviation is prevented from occurring to further influence the construction quality and the verticality and the planeness of cast-in-place concrete.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a schematic view of the overall structure of the connector of the present invention;

FIG. 4 is a view showing the connection between the connecting member and the locking member according to the present invention;

FIG. 5 is a schematic view of an overall structure of an adjustable reinforcement member according to the present invention;

FIG. 6 is a schematic view of an overall structure of a position limiting member according to the present invention;

FIG. 7 is a diagram illustrating the operation of the present invention in an exemplary embodiment.

In the figure: 1. steel back corrugation; 2. an adjustable reinforcement; 21. a connecting section; 211. mounting grooves; 212. connecting sleeves; 22. an adjustment section; 221. a regulatory region; 222. an adjusting disk; 3. a connecting member; 31. positioning a groove; 311. positioning the pile; 32. a guide rail; 4. a locking member; 41. a dovetail groove; 5. a limiting member; 51. an installation part; 52. a limiting part; 6. supporting the template; 7. prefabricating a shear wall; 8. and (4) oppositely pulling the bolts.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Example 1:

as shown in fig. 1 to 3, it is stupefied with steel backing to make up cast-in-place dark post template of combination formula assembly, stupefied 1 of the steel backing and the adjustable reinforcement 2 of vertical setting including a plurality of horizontal settings, the welding has two connecting pieces 3 that the symmetry was provided with from top to bottom on the stupefied 1 of the steel backing, constant head tank 31 has all been seted up on the bottom surface of two connecting pieces 3, a lateral wall (preceding lateral wall) of the stupefied 1 of the relative steel backing of two connecting pieces 3 is open and is equipped with guide rail 32 on the lateral wall before and, sliding connection has locking piece 4 on the guide rail 32, the equal accordant connection in both ends has locating part 5 about adjustable reinforcement 2, two locating parts 5 extend respectively to in the constant head tank 31 that corresponds and respectively with the locking piece 4 accordant connection that corresponds. Can be so connected as whole with upper and lower two stupefied 1 of steel back in both ends that can utilize adjustable reinforcement 2, can fix the outside at prefabricated shear force wall 7 more steadily with supporting template 6 through monolithic structure, even use vibrating equipment also can guarantee its supporting template 6 stability when pouring the concrete and prevent quality problems such as the grout leakage, the wrong platform, template piece fracture grout leakage, and can also guarantee its cast in situ concrete's plane degree, save the expense and the operation of later stage plane integration step.

In this embodiment, the cross section of the positioning slot 31 is a T-shaped structure, and a positioning pile 311 is disposed in the positioning slot 31, and the positioning pile 311 is engaged with the end surface of the adjustable reinforcing member 2. The positioning pile 311 is used for limiting and quickly butting the end face of the adjustable reinforcing member 2 in the left-right direction.

In this embodiment, the cross section of the guide rail 32 is a dovetail structure, and a dovetail groove 41 matched with the guide rail 32 is formed on a side wall of the locking member 4 opposite to the connecting member 3. The dovetail groove 41 and the dovetail structure can be used for matching the guide rail 32 and the locking piece 4 more tightly, and the integrity between the upper steel back edge 1 and the lower steel back edge 1 and the adjustable reinforcing piece 2 for connection is stably and effectively ensured.

Example 2:

as shown in fig. 3, a further improvement is made on the basis of embodiment 1, both the right ends of the guide rail 32 and the locking member 4 are arranged obliquely upward, the left end of the guide rail 32 is provided with a stopper, and the horizontal plane included angle between the guide rail 32 and the locking member 4 and the steel back edge 1 is 15 °. Utilize guide rail 32 and dog to carry out the slope side with locking piece 4 and fix, prevent that vibrating equipment from producing vibrations and then making guide rail 32 and locking piece 4 produce not hard up to supporting template 6 when concrete construction, prevent to influence the stupefied 1 overall structure's of steel back stability.

Example 3:

as shown in fig. 1, 5 and 6, the difference from embodiment 1 is: adjustable reinforcement 2 is including being the linkage segment 21 that is located both ends and the regulation section 22 that is located the middle part, a side end of two linkage segments 21 all seted up with 5 complex mounting grooves 211 of locating part, locating part 5 passes through the bolt fastening in mounting groove 211, the other end fixedly connected with adapter sleeve 212 of two linkage segments 21, the internal thread has been seted up on the inner wall of adapter sleeve 212, the both ends of adjusting section 22 all are equipped with the regulation district 221 for the external screw thread, the regulation direction (the rotation of external screw thread) of two regulation districts 221 is opposite, regulation district 221 and adapter sleeve 212 threaded connection, the middle part fixedly connected with adjusting disk 222 of adjusting section 22. The two connecting sections 21 are moved simultaneously and respectively to the upper side and the lower side by adjusting the rotation of the adjusting disc 222 so as to extend into the mounting groove 21 to be matched with the positioning pile 211.

Further inject ground in this embodiment, locating part 5 includes installation department 51 and spacing portion 52 of body coupling, and installation department 51 passes through bolt fixed connection in mounting groove 211, and spacing portion 52 is the thin wedge structure that the lower extreme is thick in the upper end, and the bottom surface of spacing portion 52 and the top surface laminating of locking piece 4 can effectively guarantee to connect ground fastening degree, prevents that linkage segment 21 from appearing the skew and then influencing construction quality.

Example 4:

as shown in fig. 1 to 7, the installation method of the steel back edge for reinforcing the combined type assembled cast-in-place concealed column formwork comprises the following steps:

placing supporting templates 6 on two sides of a prefabricated shear wall 7 (wherein the supporting templates 6 positioned outside the prefabricated shear wall 7 are prefabricated blind pile heat-insulation boards), and primarily fixing the supporting templates 6 and the prefabricated shear wall 7 by using counter-pull bolts 8, wherein screws of the counter-pull bolts penetrate through the prefabricated shear wall 7 and the supporting templates 6 in the process;

hanging a connecting hole or a seam of the steel back edge 1 assembly on a screw of a split bolt 8, adjusting a nut of the split bolt 8 to extrude the steel back edge 1 to move inwards until a supporting template 6 is attached to the prefabricated shear wall 7, and checking the verticality;

step three, adjusting the adjusting disk 222 of the adjusting section 22 of the adjustable reinforcing member 2, wherein the adjusting region 221 drives the connecting sleeve 212 to move towards the direction close to the positioning groove 31 until the adjusting section 22 of the adjustable reinforcing member 2 is respectively inserted into the positioning groove 31 of the connecting member 3 and completely attached;

and step four, the dovetail structure of the guide rail 32 is matched with the dovetail groove 41 on the locking piece 4 to limit the connecting section 21 in the mounting groove 211, and the top surface of the locking piece 4 is attached to the bottom surface of the limiting part 52.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The combined type steel back edge for reinforcing the cast-in-place embedded column template is characterized by comprising a steel back edge (1) which is transversely arranged and an adjustable reinforcing member (2) which is vertically arranged, wherein connecting pieces (3) are fixedly connected to the steel back edge (1), the two connecting pieces (3) are arranged in an up-and-down symmetrical mode, positioning grooves (31) are formed in the two connecting pieces (3), one side wall of each connecting piece (3) relative to the steel back edge (1) is open, a guide rail (32) is arranged on the side wall, locking members (4) are connected to the guide rail (32) in a matching mode, limiting members (5) are connected to the upper end and the lower end of each adjustable reinforcing member (2) in a matching mode, and the two limiting members (5) extend into the corresponding positioning grooves (31) and are respectively connected with the corresponding locking members (4) in a matching mode;

the cross section of the guide rail (32) is of a dovetail structure, and a dovetail groove (41) matched with the guide rail (32) is formed in one side wall of the locking piece (4) opposite to the connecting piece (3);

the guide rail (32) and the locking piece (4) are arranged obliquely upwards, and the horizontal plane included angle between the guide rail (32) and the locking piece (4) and the steel back edge (1) is 5-20 degrees;

wherein, locating part (5) are including installation department (51) and spacing portion (52) of body coupling, installation department (51) fixed connection is in mounting groove (211), spacing portion (52) are the thin wedge structure that the lower extreme is thick in upper end, the bottom surface of spacing portion (52) and the top surface laminating of locking piece (4).

2. The combined type assembled cast-in-place hidden column formwork reinforcing steel back rib as claimed in claim 1, wherein the cross section of the positioning groove (31) is a T-shaped structure, a positioning pile (311) is arranged in the positioning groove (31), and the positioning pile (311) is matched with the end face of the adjustable reinforcing member (2).

3. The steel backing rib for reinforcing the combined type assembled cast-in-place embedded column formwork as claimed in claim 1, wherein the adjustable reinforcing member (2) comprises connecting sections (21) at two ends and adjusting sections (22) at the middle part, one side ends of the two connecting sections (21) are respectively provided with an installation groove (211) matched with the limiting member (5), the other ends of the two connecting sections (21) are fixedly connected with a connecting sleeve (212), two ends of the adjusting sections (22) are respectively provided with an adjusting area (221), the adjusting directions of the two adjusting areas (221) are opposite, the adjusting areas (221) are connected with the connecting sleeves (212) in a matching manner, and the middle part of the adjusting sections (22) is fixedly connected with an adjusting disc (222).

4. The method for installing the steel back edge for reinforcing the combined type assembled cast-in-place concealed column formwork according to claim 3, is characterized by comprising the following steps of:

placing supporting templates (6) on two sides of a prefabricated shear wall (7), and primarily fixing the supporting templates (6) and the prefabricated shear wall (7) by using split bolts (8);

hanging the steel back edge (1) assembly on a screw rod of a split bolt (8), adjusting a nut of the split bolt (8) to extrude the steel back edge (1) to move inwards to a support template (6) to be attached to the prefabricated shear wall (7), and checking the verticality;

step three, adjusting an adjusting disk (222) of an adjusting section (22) of the adjustable reinforcing member (2), wherein the adjusting area (221) drives the connecting sleeve (212) to move towards the direction close to the positioning groove (31) until the adjusting section (22) of the adjustable reinforcing member (2) is respectively inserted into the positioning groove (31) of the connecting member (3) and is completely attached;

and step four, the connecting section (21) is limited in the mounting groove (211) through the matching of the dovetail structure of the guide rail (32) and the dovetail groove (41) on the locking piece (4), and the top surface of the locking piece (4) is attached to the bottom surface of the limiting part (52).