阅读说明：本技术 一种提高管廊预埋件定位合格率的方法 (Method for improving positioning qualification rate of pipe gallery embedded part ) 是由 蒋海丰 夏东 王传大 何若许 曹会会 于 2019-09-11 设计创作，主要内容包括：本发明公开了一种提高管廊预埋件定位合格率的方法,属于综合管廊生产技术领域,此方法克服了传统预埋件施工的缺陷,先将预埋件全贴合安装在模板上以保证构件的定位准确性,然后在立模的同时将预埋构件焊接在管廊工程墙体钢筋上保证构件不移动,确保预埋件位置精度,提高预埋件定位合格率,提高预制效率,降低施工成本,缩短工期。(The invention discloses a method for improving the positioning qualification rate of an embedded part of a pipe gallery, which belongs to the technical field of production of a comprehensive pipe gallery and overcomes the defects of the construction of the traditional embedded part.)

1. The method for improving the positioning qualification rate of the pipe gallery embedded part is characterized by comprising the following steps of: the method comprises the following steps:

(1) punching and tapping the plane of the manufactured qualified embedded part to form a threaded hole;

(2) marking lines on an inner side template of the pipe gallery wall body, and marking the positions of the embedded parts;

(3) attaching the plane of the embedded part to the back of the marked position of the template, and installing a screw into the threaded hole from the front of the template;

(4) erecting a mould;

(5) welding the anchor nails on the back of the embedded part on the steel bar framework of the wall body of the pipe gallery, wherein a pouring gap is formed between the plane of the embedded part and the steel bar framework;

(6) and (4) pouring concrete, removing the mold after maintenance, and detaching the screws in the step (3) to finish the construction of the embedded part.

2. The method for improving the positioning qualification rate of the pipe gallery embedded parts according to claim 1, characterized by comprising the following steps: the number of the threaded holes in the step (1) is 2 or 4, and the threaded holes are arranged in a straight line shape or a square shape.

3. The method for improving the positioning qualification rate of the pipe gallery embedded parts according to claim 1, characterized by comprising the following steps: and (3) the template in the step (2) is an aluminum template.

4. The method for improving the positioning qualification rate of the pipe gallery embedded parts according to claim 1, characterized by comprising the following steps: and (5) arranging semicircular hooks below the side surfaces and the tail end of the anchor, and welding the anchor with the steel bar through the hooks in the anchor welding process.

5. The method for improving the positioning qualification rate of the pipe gallery embedded parts according to claim 1, characterized by comprising the following steps: in the anchor welding process, the anchor is welded above the reinforcing steel bar.

6. The method for improving the positioning qualification rate of the pipe gallery embedded parts according to claim 1, characterized by comprising the following steps: and (6) when the concrete is poured, pouring the concrete into the pouring gap from the funnel, wherein the funnel is an inverted cone-shaped square funnel.

Technical Field

The invention belongs to the technical field of comprehensive pipe rack production, and particularly relates to a method for improving the positioning qualification rate of pipe rack embedded parts.

Background

In recent years, Chinese economy has been greatly developed, city face has changed with the ground of turning over, high building stands on the ground, car water horse, but underground engineering construction is seriously lagged behind, in order to utilize the space comprehensively, underground utility tunnel begins to popularize in a large scale now, because underground utility tunnel usually is to assemble to the scene after prefabricating in advance, therefore the quality of prefab is especially crucial, for the fixed mounting of built-in fitting, usually fix the built-in fitting on the steel reinforcement cage first, but because impact force and pressure can cause the built-in fitting to shift, bulge, cave in, slope by a small margin when pouring, cause the built-in fitting shaping effect poor, to the service function and the engineering quality of whole pipe gallery engineering, influence greatly.

Disclosure of Invention

In order to solve the problems, the invention discloses a method for improving the positioning qualification rate of an embedded part of a pipe gallery, which overcomes the defects of the traditional embedded part construction, quickly and effectively realizes the positioning, the installation and the molding of the embedded part, ensures the position precision of the embedded part, reduces the construction cost, shortens the construction period and improves the molding quality of the embedded part.

In order to achieve the purpose, the technical scheme of the invention is as follows:

a method for improving the positioning qualification rate of pipe gallery embedded parts comprises the following steps:

(1) punching and tapping the plane of the manufactured qualified embedded part to form a threaded hole;

(2) marking lines on an inner side template of the pipe gallery wall body, and marking the positions of the embedded parts;

(3) attaching the plane of the embedded part to the back of the marked position of the template, and installing a screw into the threaded hole from the front of the template;

(4) erecting a mould;

(5) welding the anchor nails on the back of the embedded part on the steel bar framework of the wall body of the pipe gallery, wherein a pouring gap is formed between the plane of the embedded part and the steel bar framework;

(6) and (4) pouring concrete, removing the mold after maintenance, and detaching the screws in the step (3) to finish the construction of the embedded part.

As an improvement of the invention, the number of the threaded holes in the step (1) is 2 or 4, and the threaded holes are arranged in a straight line or a square.

As a modification of the invention, the template in the step (2) is an aluminum template.

As an improvement of the invention, semicircular hooks are arranged below the side surface and the tail end of the anchor in the step (5), and in the anchor welding process, the anchor is welded with the steel bar through the hook.

As an improvement of the invention, in the anchor welding process, the anchor is welded above the reinforcing steel bar.

As an improvement of the invention, when the concrete is poured in the step (6), the concrete is poured into the pouring gap from a funnel, and the funnel is an inverted cone-shaped square funnel.

The invention has the beneficial effects that:

the method for improving the positioning qualification rate of the embedded part of the pipe gallery overcomes the defects of the traditional embedded part construction, the embedded part is firstly completely attached and installed on the template to ensure the positioning accuracy of the component, then the embedded component is welded on the wall body steel bar of the pipe gallery engineering to ensure that the component does not move while the template is erected, the position accuracy of the embedded part is ensured, the positioning qualification rate of the embedded part is improved, the prefabrication efficiency is improved, the construction cost is reduced, and the construction period is shortened.

Drawings

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

Fig. 2 is a schematic view of an anchor according to the present invention.

List of reference numerals:

1. the embedded part, 2, screw hole, 3, template, 4, screw, 5, anchor, 6, framework of steel reinforcement, 7, pour clearance, 8, couple, 9, funnel.

Detailed Description

The present invention will be further illustrated with reference to the accompanying drawings and specific embodiments, which are to be understood as merely illustrative of the invention and not as limiting the scope of the invention. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

As shown in the figure, the method for improving the positioning qualification rate of the pipe gallery embedded part comprises the following steps:

(1) rechecking the welding condition and materials of each embedded part, and punching and tapping the plane of the embedded part 1 which is qualified by inspection to form a threaded hole 2 (the embedded part comprises a plane and an anchor); this step ensures that the embedded part itself has no problems;

(2) marking lines on an inner side template 3 of the pipe gallery wall body, and marking the positions of the embedded parts 1;

(3) attaching the plane of the embedded part 1 to the back of the marked position of the template 3, and installing a screw 4 from the front of the template into the threaded hole 2; at the moment, the action of the template 3 ensures that the plane of the embedded part is flush with the poured wall surface, so that the embedded part can be prevented from protruding, sinking or shifting during pouring;

(4) erecting a mould;

(5) semicircular hooks 8 are arranged below the anchor bolts 5 on the back of the embedded part and at the tail end of the anchor bolts, the anchor bolts are welded on a pipe gallery wall body steel bar framework 6 through the hooks 8, and a pouring gap 7 is arranged between the plane of the embedded part 1 and the steel bar framework 6;

in the welding process, anchor 5 passes through 8 and the welding of framework of steel reinforcement 6 of couple, and the anchor welding is in the reinforcing bar top, and the reinforcing bar can support the weight of anchor 5 and built-in fitting, and couple 8 is half-circular arc in addition, increases the area of contact with the screw-thread steel, and the welding is firm, prevents that the built-in fitting from flagging or inclining.

(6) Pouring concrete, wherein the concrete is poured into the pouring gap from a funnel, and the funnel is an inverted cone-shaped square funnel; the direct impact of concrete on the steel bars is reduced and avoided, and the possibility of displacement of the embedded part is reduced; and (4) maintaining, removing the mold, and removing the screw in the step (3) to finish the construction of the embedded part.

In the step (1), the number of the threaded holes is 2 or 4, and the threaded holes are arranged in a straight line or square shape, so that the stress of the embedded part is uniform, and the possibility of displacement is reduced.

The template in the step (2) of the invention adopts an aluminum template, so that the stability, the strength and the like of the template are superior to those of a wood template, the phenomenon of template running is basically avoided, and the prefabrication quality is ensured.

The method for improving the positioning qualification rate of the embedded part of the pipe gallery has the advantages of good use effect in Suzhou XX street comprehensive pipe gallery engineering, high position precision of the embedded part and high positioning qualification rate, and the integral prefabrication quality of the embedded part leaves good impression on customers and owners, so that the enterprise image is established.

The technical means disclosed in the invention scheme are not limited to the technical means disclosed in the above embodiments, but also include the technical scheme formed by any combination of the above technical features.