阅读说明：本技术 免钻孔的砌体植筋方法 (Masonry bar planting method free of drilling ) 是由 张元宏 杨洋 于 2021-09-30 设计创作，主要内容包括：本发明公开了一种免钻孔的砌体植筋方法,包括如下步骤：预制预埋筒和连接筒,在预埋筒内壁、沿其轴向方向间隔设有多个弹性卡,或在预埋筒内壁上设置内螺纹,每个弹性卡的里端均向其轴心方向倾斜设置,且能够在外力挤压下变形；在连接筒的外壁上设有与预埋筒相配合的外螺纹或挤压接头,所述挤压接头沿连接筒轴向方向间隔设置,且相邻两个挤压接头之间的间距与弹性卡的轴向长度相配合；预制模板并在模板对应植筋位置开孔后粘贴透明胶带；支设模板并浇筑混凝土；混凝土初凝后依次插入预埋筒和安装好连接筒的拉接钢筋,完成植筋。(The invention discloses a masonry bar planting method without drilling, which comprises the following steps: prefabricating a pre-buried cylinder and a connecting cylinder, wherein a plurality of elastic clamps are arranged on the inner wall of the pre-buried cylinder at intervals along the axial direction of the pre-buried cylinder, or internal threads are arranged on the inner wall of the pre-buried cylinder, and the inner end of each elastic clamp is obliquely arranged towards the axis direction of the elastic clamp and can deform under the extrusion of external force; the outer wall of the connecting cylinder is provided with external threads or extrusion joints matched with the embedded cylinder, the extrusion joints are arranged at intervals along the axial direction of the connecting cylinder, and the distance between every two adjacent extrusion joints is matched with the axial length of the elastic card; prefabricating a template, perforating holes at positions of the template corresponding to the embedded bars, and then adhering a transparent adhesive tape; erecting a template and pouring concrete; and after the concrete is initially set, sequentially inserting the embedded cylinder and the pulling-connecting steel bars of the installed connecting cylinder to complete the steel bar planting.)

1. A masonry bar planting method without drilling is characterized by comprising the following steps: s1, prefabricating an embedded cylinder and a connecting cylinder for fixing the tie bar in the concrete structure: prefabricating a pre-buried cylinder with a sealed bottom according to the number of embedded bars, wherein a plurality of elastic clamps are arranged on the inner wall of the pre-buried cylinder at intervals along the axial direction of the pre-buried cylinder, or internal threads are arranged on the inner wall of the pre-buried cylinder, and the inner end of each elastic clamp is inclined towards the axis direction of the elastic clamp and can deform under external force extrusion; according to the diameter of the tie bar, prefabricating a connecting cylinder fixedly sleeved with the anchoring end of the tie bar, wherein external threads or extrusion joints matched with the embedded cylinder are arranged on the outer wall of the connecting cylinder, the extrusion joints are arranged at intervals along the axial direction of the connecting cylinder, and the distance between every two adjacent extrusion joints is matched with the axial length of the elastic clamp; s2, prefabricating a template according to the size of the concrete structure, forming holes in the position, corresponding to the tie bars, of the template, and then adhering transparent adhesive tapes to the inner side of the template to seal the holes; s3, erecting a template and pouring concrete to form a concrete structure; s4, before the concrete is initially set, one end of the embedded cylinder seal passes through the opening of the template and is continuously pushed inwards until the end is flush with the outer side or the inner side of the template; s5, fixing the connecting cylinder at the anchoring end of the tie bar, then inserting the anchoring end of the tie bar into the embedded cylinder, and continuously pushing the tie bar inwards to ensure that the outer side of the connecting cylinder is fixedly connected with the embedded cylinder through threads or the extrusion joint of the connecting cylinder is matched and connected with the elastic clamp, thereby completing bar planting; and S6, removing the template and building a masonry structure.

2. The masonry rebar planting method without drilling according to claim 1, wherein each elastic clamp (21) is in a conical cylinder shape, and the diameter of each elastic clamp is gradually increased from the outer end to the inner end; the extrusion joint (31) is in a frustum shape, the diameter of the extrusion joint is gradually reduced from the outer end to the inner end, and the extrusion joint is clamped between two adjacent elastic clamps (21) or between the elastic clamps (21) and the inner end of the embedded cylinder (2).

3. The masonry rebar planting method free of drilling according to claim 1, wherein the elastic clamps (21) are triangular, at least two rows of the elastic clamps (21) are arranged along the axial direction of the embedded cylinder (2), and the elastic clamps (21) in each row correspond to one another to form a plurality of circles of the elastic clamps (21) arranged along the circumferential direction of the embedded cylinder; the extrusion joint (31) is in a frustum shape, the diameter of the extrusion joint is gradually reduced from the outer end to the inner end, and the extrusion joint is clamped between two adjacent circles of elastic clamps (21) in the axial direction of the embedded cylinder (2).

4. The method for planting the steel bars into the masonry without drilling according to claim 1, 2 or 3, wherein the connecting cylinder and the embedded cylinder are made of plastic or rubber, and the elastic clamp and the embedded cylinder are integrally formed.

5. The masonry rebar planting method without drilling according to claim 4, wherein a plurality of circles of reinforcing teeth (22) protruding outwards are arranged on the outer end face of the embedded cylinder (2).

6. The masonry rebar planting method without drilling according to claim 1, 2, 3 or 5, wherein a puncture head for puncturing a transparent adhesive tape is arranged at the bottom of the embedded cylinder.

7. The masonry steel bar planting method without drilling holes as claimed in claim 1, 2, 3 or 5, wherein the connecting cylinder (3) is sleeved on the tie bars (4) and connected with the tie bars (4) through structural glue.

Technical Field

The invention belongs to the field of building construction, and particularly relates to a masonry bar planting method without drilling.

Background

In building construction, in order to increase the firmness of the masonry structure and the reinforced concrete structure, a large amount of tie bars are usually required to be arranged inside the masonry structure, so that the masonry structure is fixedly tied in the reinforced concrete structure. In the prior art, the setting of the tie bar generally adopts the following construction process: constructing a reinforced concrete structure, snapping a line on the reinforced concrete structure, positioning, drilling, cleaning holes, injecting glue into the holes, planting bars, curing and maintaining, and performing an anti-pulling test (spot inspection). In the construction process, the reinforced concrete structure needs to be drilled, and the steel bars are planted in the holes after glue is injected into the holes, so that the construction mode is easy to damage the reinforced concrete structure, and the construction is difficult.

In order to solve the problems, the chinese patent with publication number 110847387 discloses a slip casting-free bar planting structure with enlarged heads and a construction method thereof, which comprises tie bars, an embedded cylinder and an embedded part, wherein the embedded cylinder and the embedded part are embedded in the reinforced concrete, the middle part of the embedded part is provided with a round hole which is communicated with the embedded cylinder and is positioned on the same horizontal line, one end of the tie bar is provided with an enlarged head, the enlarged head can slide in the embedded cylinder, and the diameter of the enlarged head is larger than that of the round hole. During construction, the PVC pipe is pre-embedded in concrete, the enlarged head end of the tie bar extends into the PVC pipe, then the pre-embedded plate is pre-embedded in the reinforced concrete, the concrete is poured, and finally the tie bar is pulled out until the enlarged head end abuts against the pre-embedded plate to build a masonry structure. In the construction method, the PVC pipe and the embedded plate need to be fixed when being embedded, the arrangement is inconvenient, meanwhile, the tie bars are pulled out to abut against the embedded plate after the concrete is poured, the tie bars are easy to be solidified with the concrete after the concrete is poured, or part of mortar is brought into the PVC pipe, and the tie bars are inconvenient to pull. In addition, the expansion head and the embedded cylinder are not fixed, the expansion head and the embedded cylinder can easily slide in the using process, the stabilizing effect is not good, the diameter of the adopted tension-connection steel bar is fixed, and the expansion head and the embedded cylinder cannot be replaced after installation.

Disclosure of Invention

Aiming at the defects of the prior art, the technical problems to be solved by the invention are as follows: the masonry rebar planting method free of drilling is simple in rebar planting process and stable in rebar planting structure.

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

a masonry bar planting method without drilling is characterized by comprising the following steps: s1, prefabricating an embedded cylinder and a connecting cylinder for fixing the tie bar in the concrete structure: prefabricating a pre-buried cylinder with a sealed bottom according to the number of embedded bars, wherein a plurality of elastic clamps are arranged on the inner wall of the pre-buried cylinder at intervals along the axial direction of the pre-buried cylinder, or internal threads are arranged on the inner wall of the pre-buried cylinder, and the inner end of each elastic clamp is inclined towards the axis direction of the elastic clamp and can deform under external force extrusion; according to the diameter of the tie bar, prefabricating a connecting cylinder fixedly sleeved with the anchoring end of the tie bar, wherein external threads or extrusion joints matched with the embedded cylinder are arranged on the outer wall of the connecting cylinder, the extrusion joints are arranged at intervals along the axial direction of the connecting cylinder, and the distance between every two adjacent extrusion joints is matched with the axial length of the elastic clamp; s2, prefabricating a template according to the size of the concrete structure, forming holes in the position, corresponding to the tie bars, of the template, and then adhering transparent adhesive tapes to the inner side of the template to seal the holes; s3, erecting a template and pouring concrete to form a concrete structure; s4, before the concrete is initially set, one end of the embedded cylinder seal passes through the opening of the template and is continuously pushed inwards until the end is flush with the outer side or the inner side of the template; s5, fixing the connecting cylinder at the anchoring end of the tie bar, then inserting the anchoring end of the tie bar into the embedded cylinder, and continuously pushing the tie bar inwards to ensure that the outer side of the connecting cylinder is fixedly connected with the embedded cylinder through threads or the extrusion joint of the connecting cylinder is matched and connected with the elastic clamp, thereby completing bar planting; and S6, removing the template and building a masonry structure. Therefore, before the steel bars are planted, concrete is poured firstly, the embedded cylinder is inserted into the concrete through the template, and finally the steel bars are inserted for connection and fixation, the installation mode is simple to operate, drilling is not needed, meanwhile, the embedded cylinder is not needed to be fixed in advance, the installation position of the embedded cylinder is directly kept through the solidification force of the concrete, and the connection stability of the embedded cylinder and the concrete structure can be effectively ensured; and prefabricated template corresponds the mode of bar planting position trompil and paste the transparent adhesive tape on the template and can be convenient for the insertion of drawknot reinforcing bar, and the transparent adhesive tape pastes the back, can avoid concrete excessive with trompil department shutoff, can also drop from the template under external force. When the bar is planted, the connecting cylinder is only needed to be sleeved in the embedded cylinder and is pushed inwards, in the process of pushing the embedded cylinder, the extrusion joint arranged on the connecting cylinder pushes the inner end of the elastic card in the embedded cylinder to move and deform towards the inner wall direction of the embedded cylinder, and the elastic card continues to be continuously extruded inwards until the elastic card cannot be pushed through the embedded cylinder, so that the end part of the extrusion joint of the connecting cylinder is clamped at the inner end of the elastic card, and the tie is fixed. The installation structure of the embedded cylinder and the connecting cylinder is simple, the embedded cylinder is only required to be continuously pushed and pressed in the embedded cylinder during bar planting, the installation mode is simple, the arranged elastic card is not extruded by external force, and can be matched with the extrusion connector after returning to the initial position, and the extrusion connector is clamped and fixed between two elastic cards or between the elastic card and the concrete at the inner end of the embedded cylinder. The elasticity card that sets up can warp under the external force extrusion, and outside-in slope sets up for the drawknot muscle is at inside extruded in-process, and the inner end receives the extrusion and removes to pre-buried section of thick bamboo inner wall, and then the extrusion of drawknot muscle connects and passes through, and after passing through, the elasticity card is got back to initial position under the extrusion that does not have external force, forms the stopping to extrusion joint, avoids under the external force pulling, and the drawknot muscle is pulled out, and the installation steadiness of drawknot muscle is higher.

Furthermore, each elastic clamp is in a cone cylinder shape, and the diameter of each elastic clamp is gradually increased from the outer end to the inner end; the extrusion joint is frustum-shaped, the diameter of the extrusion joint is gradually reduced from the outer end to the inner end, and the extrusion joint is clamped between two adjacent elastic clamps or between the elastic clamps and the inner end of the embedded cylinder. Like this, elasticity card all is the frustum form with extrusion joint, and the frustum orientation is opposite to can form a spacing step after extrusion joint card goes into, the drawknot structure is very firm.

Furthermore, the elastic clamps are triangular, at least two rows of the elastic clamps are arranged along the axial direction of the embedded cylinder, and the elastic clamps in each row correspond to one another to form a plurality of circles of elastic clamps arranged along the circumferential direction of the embedded cylinder; the extrusion joint is frustum-shaped, the diameter of the extrusion joint is gradually reduced from the outer end to the inner end, and the extrusion joint is clamped between two adjacent circles of elastic clamps in the axial direction of the embedded cylinder. Like this, the elasticity card is equipped with many circles along pre-buried section of thick bamboo circumference, and each circle inner end forms a spacing step to the extrusion joint, and the drawknot is firm, and the drawknot muscle bulldozes the in-process of connecting cylinder, and required thrust is littleer, and the propelling movement is comparatively convenient.

Furthermore, the connecting cylinder and the embedded cylinder are made of plastic or rubber, and the elastic clamp and the embedded cylinder are integrally formed. Therefore, the connecting cylinder and the embedded cylinder have the characteristic of corrosion resistance, meanwhile, the plastic and the rubber are manufactured to be convenient to form, the manufacturing cost is low, and the elastic clamp can be ensured to have certain deformation performance.

Furthermore, a plurality of circles of reinforcing teeth protruding outwards are arranged on the outer end face of the embedded cylinder. Like this, pre-buried section of thick bamboo outer end face can and the concrete between form the interlock, fixed firm, can with in the external force transmission concrete structure that the lacing bar receives, bear external force bigger.

Further, a puncture head for puncturing the transparent adhesive tape is arranged at the bottom of the pre-buried cylinder. Like this, when bulldozing pre-buried section of thick bamboo inwards, the thorn head can pierce the transparent adhesive tape to pierce through the transparent adhesive tape fast, and insert in the pre-buried section of thick bamboo.

Furthermore, the connecting cylinder is sleeved on the tie steel bar and connected with the tie steel bar through structural adhesive. Like this, the connecting cylinder is connected with the connecting reinforcement except that cup jointing the mode, still adds the fastening through the structure glue and connects, and double connection mode ensures that draw steel bar and connecting cylinder between connection structure are firm.

Drawings

FIG. 1 is a schematic structural diagram of the embodiment after the bar planting is completed;

fig. 2 is a schematic view of a split structure of the embedded cylinder, the connecting cylinder and the tie bar in the embodiment.

Detailed Description

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

Example (b):

the masonry bar planting method without drilling provided by the embodiment comprises the following steps: s1, prefabricating the embedded cylinder 2 and the connecting cylinder 3 (as shown in fig. 2) for fixing the tie bar 4 in the concrete structure 1: prefabricating a pre-buried cylinder 2 with a sealed bottom according to the number of embedded bars, wherein a plurality of elastic clamps 21 are arranged on the inner wall of the pre-buried cylinder 2 at intervals along the axial direction of the pre-buried cylinder, or internal threads are arranged on the inner wall of the pre-buried cylinder 2, the inner end of each elastic clamp 21 is obliquely arranged towards the axis direction of the elastic clamp, and the elastic clamps can deform under the extrusion of external force; according to the diameter of the tie bar 4, a connecting cylinder 3 fixedly sleeved with the anchoring end of the tie bar 4 is prefabricated, external threads or extrusion joints 31 matched with the embedded cylinder 2 are arranged on the outer wall of the connecting cylinder 3, the extrusion joints 31 are arranged at intervals along the axial direction of the connecting cylinder 3, and the distance between every two adjacent extrusion joints 31 is matched with the axial length of the elastic clamp 21; s2, prefabricating a template according to the size of the concrete structure, forming holes in the position, corresponding to the tie bars, of the template, and then adhering transparent adhesive tapes to the inner side of the template to seal the holes; s3, erecting a template and pouring concrete to form a concrete structure; s4, before the concrete is initially set, one end of the embedded cylinder seal passes through the opening of the template and is continuously pushed inwards until the end is flush with the outer side or the inner side of the template; s5, fixing the connecting cylinder at the anchoring end of the tie bar, then inserting the anchoring end of the tie bar into the embedded cylinder, and continuously pushing the tie bar inwards to ensure that the outer side of the connecting cylinder is fixedly connected with the embedded cylinder through threads or the extrusion joint of the connecting cylinder is matched and connected with the elastic clamp, thereby completing bar planting (as shown in figure 1); and S6, removing the template and building a masonry structure.

In the concrete implementation, can not need connecting cylinder 3, directly at the anchor end tapping of drawknot reinforcing bar 4, form the external screw thread, pass through screw-thread fit with pre-buried section of thick bamboo 2. Meanwhile, the anchor end of the tie bar 4 can be directly upset in the axial direction to form an extrusion joint to be matched with the elastic clamp 21 of the embedded cylinder 2. However, the above structure cannot be applied to anchor installation of tie bars of various diameters.

When the mode of elastic card 21 and extrusion joint 31 is adopted, the following two structures are adopted for matching connection: (1) each elastic card 21 is in a cone cylinder shape, and the diameter of each elastic card is gradually increased from the outer end to the inner end; the extrusion joint 31 is in a frustum shape, the diameter of the extrusion joint gradually decreases from the outer end to the inner end, and the extrusion joint is clamped between two adjacent elastic clamps 21 or between the elastic clamps 21 and the inner end of the embedded cylinder 2. (2) The elastic clamps 21 are triangular, at least two rows of the elastic clamps 21 are arranged along the axial direction of the embedded cylinder 2, and the elastic clamps 21 in each row correspond to one another to form a plurality of circles of the elastic clamps 21 arranged along the circumferential direction of the embedded cylinder; the extrusion joint 31 is in a frustum shape, the diameter of the extrusion joint gradually decreases from the outer end to the inner end, and the extrusion joint is clamped between two adjacent circles of elastic clamps 21 in the axial direction of the embedded cylinder 2.

For avoiding pre-buried section of thick bamboo 2 to be corroded, simultaneously, satisfy the installation demand of pre-buried section of thick bamboo and connecting cylinder, connecting cylinder 3 and pre-buried section of thick bamboo 2 adopt plastics or rubber to make, elasticity card 21 and pre-buried section of thick bamboo 2 integrated into one piece.

In order to ensure the connection strength between the embedded cylinder and the concrete structure, a plurality of circles of reinforcing teeth 22 protruding outwards are arranged on the outer end face of the embedded cylinder 2.

In order to facilitate the insertion of the pre-buried cylinder 2, a puncture head for puncturing the transparent adhesive tape is arranged at the bottom of the pre-buried cylinder.

Connecting cylinder 3 in this embodiment overlaps on drawknot reinforcing bar 4 to pass through the structure with drawknot reinforcing bar 4 and glue and be connected, in the implementation, select for use connecting cylinder 3 of corresponding internal diameter according to the diameter of drawknot reinforcing bar 4. In particular, the connecting cylinder 3 may be mounted in a tight fit.

The template in this embodiment adopts plastics to make, and the shutoff of trompil position department can also articulate the mode of installing a shutoff board and carry out the shutoff. Before the bar planting, the bar planting position needs to be determined in advance, when the template is installed, the reinforced steel pipe and the batten need to avoid the bar planting position, and the reinforcing process is tracked to avoid the collision between the reinforcing point and the bar planting point.

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.