CN214695549U

CN214695549U - Quick installation positioning tool of precast concrete tubular pile cap and template

Info

Publication number: CN214695549U
Application number: CN202120618928.1U
Authority: CN
Inventors: 李德
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-03-26
Filing date: 2021-03-26
Publication date: 2021-11-12
Anticipated expiration: 2031-03-26

Abstract

The utility model discloses a concrete precast tubular pile cap and quick mounting positioning tool of template, including the installation face, installation face upper end fixed mounting has precast tubular pile, inside precast tubular pile lower part extended to the installation face, precast tubular pile inner chamber was provided with the core concrete layer board of filling, core concrete layer board upper end middle part fixed mounting has central jack-post, central jack-post surface upper portion is provided with reinforcing bar net piece solid fixed ring, pile head cuff steel sheet has been cup jointed to the precast tubular pile upper end, pile head cuff steel sheet upper end is provided with four template slide caliper rule, four the template slide caliper rule uses central jack-post to be the annular array and distributes as the center. A precast concrete tubular pile cap and quick installation positioning tool of template, make the coincidence of precast tubular pile geometric center and pile cap's geometric center through setting up template slide caliper rule, filling core concrete layer board and central jack-post, obviously simplify pile cap construction steps, effectively improve the efficiency of construction and the construction quality of precast concrete tubular pile cap.

Description

Quick installation positioning tool of precast concrete tubular pile cap and template

Technical Field

The utility model relates to a precast tubular pile construction technical field, in particular to quick mounting and positioning tool of precast concrete tubular pile cap and template.

Background

With the continuous development of the current economic society, the road construction pace of China is continuously accelerated, new materials and new construction methods in the road construction are continuously improved, and the concrete precast tubular pile serving as a novel foundation pile has the advantages of wide application range, high single-pile bearing capacity, simpler construction process, easy control of construction quality and capability of effectively improving the construction progress, so that more and more roads are applied to the treatment of special foundations in the roadbed engineering to improve the bearing capacity of soft soil foundations. The construction process of the precast tubular pile is as follows: determining the sequence of pile position and pile sinking → placing the pile machine → lifting the pile and feeding the pile → correcting → hammering pile sinking → splicing the pile → re-hammering pile sinking → sending the pile → receiving the hammer → cutting the pile head → positioning the pile cap position → manufacturing the steel bar for installing the pile cap → pouring the concrete of the pile cap → backfilling and compacting the mattress layer.

The construction process of the currently commonly adopted precast tubular pile cap is as follows: pile cap positioning → cleaning soil between piles, processing and installing pile cap reinforcing mesh and pile core concrete supporting plate reinforcing cage, assembling template, pouring concrete, and stripping maintenance. Pile cap location generally according to the geometric centre position of same row both ends precast tubular pile and use the stay wire method to determine the position of installation pile cap template, place pile core concrete layer board steel reinforcement cage and after firm with precast tubular pile head cuff steel sheet welding in precast tubular pile, later install again and concentrate processed precast tubular pile cap steel reinforcement net piece in advance by the steel bar factory according to the design drawing to use the frame reinforcing bar to weld firmly with the pile head cuff steel sheet steel net piece, concrete is poured at last, carry out mattress pad layer backfill and compaction after pile cap concrete health preserving.

The following defects exist in the existing construction process of the precast tubular pile cap: 1. the traditional pile cap construction method is lack of positioning and mounting tools for the pile cap reinforcing steel meshes and templates, so that the superposition of the geometric center of the cast-in-place pile cap and the geometric center of the precast tubular pile is difficult to ensure, the pile cap is easy to deviate, the bearing capacity is not uniformly transferred, bias voltage is generated, the quality problems of cracks and the like of the pile cap due to stress concentration are easily caused, and the design requirement and the use requirement cannot be met; 2. traditional pile cap construction steps are tedious, and the whole pile cap construction efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a quick positioning tool of installing of precast concrete tubular pile cap and template can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a quick mounting and positioning tool for a pile cap and a template of a concrete precast tubular pile comprises a mounting surface, the upper end of the mounting surface is fixedly provided with a precast tubular pile, the lower part of the precast tubular pile extends to the interior of the installation surface, a core filling concrete supporting plate is arranged in the inner cavity of the precast tubular pile, a central shaft column is fixedly arranged in the middle of the upper end of the core-filling concrete supporting plate, a reinforcing mesh fixing ring is arranged on the upper part of the outer surface of the central shaft column, precast tubular pile upper end has cup jointed pile head cuff steel sheet, pile head cuff steel sheet upper end is provided with four template slide caliper rule, four the template slide caliper rule uses central jack-post to be the annular array and distributes, four the one end that central jack-post was kept away from to the template slide caliper rule is provided with pile cap template, adjacent two equal fixed connection between the pile cap template, four it has cast in situ reinforced concrete to fill between the pile cap template, the solid fixed ring of reinforcing bar net piece is located template slide caliper rule top.

Preferably, fixed mounting has two second connecting plates between template slide caliper rule and the pile head cuff steel sheet, fixed mounting has two first connecting plates between template slide caliper rule and the pile cap template, the scale mark is carved with to template slide caliper rule upper end.

Preferably, the precast tubular pile inner cavity is filled with precast tubular pile core filling concrete, and the precast tubular pile core filling concrete is located above the core filling concrete supporting plate.

Preferably, the core filling concrete supporting plate is of a disc-shaped structure, and the diameter of the core filling concrete supporting plate is equal to the diameter of the inner cavity of the precast tubular pile.

Preferably, four connecting rods are fixedly mounted between the reinforcing mesh fixing ring and the central shaft column together, and the four connecting rods are distributed in an annular array by taking the central shaft column as the center.

Preferably, the diameter of the reinforcing mesh fixing ring is smaller than that of the inner cavity of the precast tubular pile.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model relates to a concrete precast tubular pile cap and template quick installation positioning tool, which makes the geometric center of the precast tubular pile coincide with the geometric center of the pile cap by arranging a template caliper, a core-filling concrete support plate and a central shaft post, when in use, the core-filling concrete support plate is inserted into the precast tubular pile, the geometric center of the precast tubular pile can be determined by the core-filling concrete support plate and the central shaft post, then a second connecting plate at the lower part of the template caliper is fixedly connected with a pile head hoop steel plate, so that the central shafts of the four template caliper coincide with the center of the precast tubular pile, a reinforcing mesh is placed on a reinforcing mesh fixing ring, the position of the pile cap template vertical mold is determined according to the template caliper and the mold is closed for reinforcement, cast-in-situ reinforced concrete is poured, and the construction of the precast tubular pile cap is completed after the health preservation is completed, the utility model effectively ensures that the geometric center of the precast tubular pile coincides with the geometric center of the pile cap, ensures that the erection height of the reinforcing mesh meets the design file, the load of the upper layer can be uniformly distributed on the pile caps and transmitted to the soil foundation bearing layer of the lower layer through the precast tubular piles, and the bearing capacity of the roadbed is not affected.

2. The utility model relates to a quick installation positioning tool of precast concrete tubular pile cap and template has saved the processing manufacture process of precast tubular pile core concrete layer board steel reinforcement cage through setting up the core concrete layer board of filling and precast tubular pile core concrete, can obviously simplify pile cap construction steps, effectively improves pile cap efficiency of construction and construction quality.

Drawings

Fig. 1 is a schematic view of the overall structure of the tool for quickly installing and positioning the pile cap and the template of the precast concrete tubular pile of the present invention;

fig. 2 is a schematic view of a part of the structure of the positioning tool for rapidly mounting the pile cap and the template of the precast concrete tubular pile of the present invention;

fig. 3 is a schematic view of a connection structure of a template caliper of the tool for quickly installing and positioning a pile cap and a template of a concrete precast tubular pile of the present invention;

fig. 4 is a schematic view of the connection structure of the core-filling concrete supporting plate of the positioning tool for quickly mounting the pile cap and the template of the precast concrete tubular pile of the present invention;

fig. 5 is the utility model relates to a precast concrete tubular pile cap and template install positioning tool's split structure sketch map fast.

In the figure: 1. a mounting surface; 2. prefabricating a tubular pile; 3. a pile head hoop steel plate; 4. a central axial column; 5. a template caliper; 6. a pile cap template; 7. filling core concrete supporting plates; 8. reinforcing steel bar mesh fixing rings; 9. casting reinforced concrete in situ; 21. a first connecting plate; 22. a second connecting plate; 23. scale lines; 31. a connecting rod; 41. and (5) prefabricating the core filling concrete of the tubular pile.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in FIGS. 1-5, a concrete precast tubular pile cap and template rapid mounting and positioning tool comprises a mounting surface 1, a precast tubular pile 2 is fixedly mounted at the upper end of the mounting surface 1, the lower part of the precast tubular pile 2 extends into the mounting surface 1, a core-filling concrete supporting plate 7 is arranged in the inner cavity of the precast tubular pile 2, a central shaft column 4 is fixedly mounted in the middle of the upper end of the core-filling concrete supporting plate 7, a reinforcing mesh fixing ring 8 is arranged at the upper part of the outer surface of the central shaft column 4, a pile head hoop steel plate 3 is sleeved at the upper end of the precast tubular pile 2, four template calipers 5 are arranged at the upper end of the pile head hoop steel plate 3, the four template calipers 5 are distributed in an annular array by taking the central shaft column 4 as the center, a pile cap template 6 is arranged at one end of the four template calipers 5 away from the central shaft column 4, two adjacent pile cap templates 6 are fixedly connected, cast-in-place reinforced concrete 9 is filled between the four pile cap templates 6, the reinforcing mesh fixing ring 8 is positioned above the template caliper 5.

Fixed mounting has two second connecting plates 22 between template slide caliper 5 and the pile head cuff steel sheet 3, fixed mounting has two first connecting plates 21 between template slide caliper 5 and the pile cap template 6, scale mark 23 is carved with on the template slide caliper 5, the one end that template slide caliper 5 is close to central pedestal 4 is the arc, template slide caliper 5 promptly can laminate with central pedestal 4 is perfect, through first connecting plate 21 fixed connection between template slide caliper 5 and the pile cap template 6, through second connecting plate 22 fixed connection between template slide caliper 5 and the pile head cuff steel sheet 3, the setting of scale mark 23 is convenient when fixed mounting template slide caliper 5 the position of adjustment template slide caliper 5.

The inner cavity of the precast tubular pile 2 is filled with precast tubular pile core filling concrete 41, the precast tubular pile core filling concrete 41 is positioned above the core filling concrete supporting plate 7, the precast tubular pile core filling concrete 41 is made of the existing material, and the upper end face of the precast tubular pile core filling concrete 41 is higher than the upper end face of the pile head hoop steel plate 3.

The core-filling concrete supporting plate 7 is of a disc-shaped structure, the diameter of the core-filling concrete supporting plate 7 is equal to the diameter of the inner cavity of the precast tubular pile 2, and the core-filling concrete supporting plate 7 is made of high-strength materials and can sufficiently support the weight of the whole core-filling concrete 41 of the precast tubular pile.

Four connecting rods 31 are fixedly mounted between the reinforcing mesh fixing ring 8 and the central shaft column 4 together, the four connecting rods 31 are distributed in an annular array by taking the central shaft column 4 as the center, and the reinforcing mesh fixing ring 8 is matched with the reinforcing mesh in size.

The diameter of the reinforcing mesh fixing ring 8 is smaller than that of the inner cavity of the precast tubular pile 2, so that the lower part of the reinforcing mesh can enter the precast tubular pile 2.

It should be noted that the utility model relates to a concrete precast tubular pile cap and template rapid installation positioning tool, through setting up template caliper 5, core filling concrete layer board 7 and central shaft post 4 to make the geometric center of precast tubular pile 2 coincide with the geometric center of the pile cap, when in use, according to the engineering design drawing, the reinforcing bar net piece and pile cap template 6 required by precast tubular pile 2 cap are processed by the reinforcing bar factory with corresponding production quality, after the precast tubular pile 2 is qualified by detection, the soil among precast tubular pile 2, the silt, ponding and other sundries at the pile head are cleaned, the mode of small excavator matching with manual leveling is adopted to prevent the damage to the pile head of precast tubular pile 2, the ponding accumulated in pile head hoop steel plate 3 and precast tubular pile 2 is cleaned manually, the exposed height of the pile head is guaranteed to meet the requirements of national standard and design file, according to the structural dimension data and pile cap design structure size of precast tubular pile 2, determining the manufacturing size of each part of the device, carrying out batch production, inserting a core-filling concrete support plate 7 into a precast tubular pile 2, determining the geometric center of the precast tubular pile 2 through the core-filling concrete support plate 7 and a central shaft column 4, fixedly connecting a second connecting plate 22 at the lower part of a template caliper 5 with a pile head hoop steel plate 3, enabling the central axes of the four template caliper 5 to coincide with the center of the precast tubular pile 2, placing a reinforcing mesh on a reinforcing mesh fixing ring 8, determining the vertical mold position of a pile cap template 6 according to the template caliper 5, closing the mold for reinforcement, pouring cast-in-place reinforced concrete 9, completing the construction of the pile cap of the precast tubular pile 2 after the completion of health maintenance, effectively ensuring that the geometric center of the precast tubular pile 2 coincides with the geometric center of the pile cap, ensuring that the erection height of the reinforcing mesh of the pile cap conforms to design files, ensuring that the upper layer load is uniformly distributed on the pile cap and is transmitted to the lower layer of the soil foundation supporting force through the precast tubular pile 2, the bearing capacity of the roadbed is not affected, the processing and manufacturing process of the prefabricated tubular pile 2 pile core concrete supporting plate reinforcement cage is omitted by arranging the core filling concrete supporting plate 7 and the prefabricated tubular pile core filling concrete 41, the pile cap construction steps can be obviously simplified, and the pile cap construction efficiency and the construction quality are effectively improved.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a concrete precast tubular pile cap and quick installation positioning tool of template, includes installation face (1), its characterized in that: the prefabricated pipe pile is characterized in that a prefabricated pipe pile (2) is fixedly mounted at the upper end of the mounting surface (1), the lower part of the prefabricated pipe pile (2) extends into the mounting surface (1), a core filling concrete supporting plate (7) is arranged in an inner cavity of the prefabricated pipe pile (2), a central shaft column (4) is fixedly mounted in the middle of the upper end of the core filling concrete supporting plate (7), a reinforcing steel bar mesh fixing ring (8) is arranged on the upper part of the outer surface of the central shaft column (4), a pile head hoop steel plate (3) is sleeved at the upper end of the prefabricated pipe pile (2), four template calipers (5) are arranged at the upper end of the pile head hoop steel plate (3), the four template calipers (5) are distributed in an annular array by taking the central shaft column (4) as the center, a pile cap template (6) is arranged at one end, away from the central shaft column (4), and two adjacent pile cap templates (6) are fixedly connected, cast-in-place reinforced concrete (9) is filled among the four pile cap templates (6), and the reinforcing mesh fixing ring (8) is located above the template caliper (5).

2. The quick mounting and positioning tool for the pile cap and the template of the concrete precast tubular pile according to claim 1, is characterized in that: fixed mounting has two second connecting plates (22) between template slide caliper rule (5) and pile head cuff steel sheet (3), fixed mounting has two first connecting plates (21) between template slide caliper rule (5) and pile cap template (6), be carved with scale mark (23) on template slide caliper rule (5).

3. The quick mounting and positioning tool for the pile cap and the template of the concrete precast tubular pile according to claim 1, is characterized in that: the inner cavity of the precast tubular pile (2) is filled with precast tubular pile core filling concrete (41), and the precast tubular pile core filling concrete (41) is positioned above the core filling concrete supporting plate (7).

4. The quick mounting and positioning tool for the pile cap and the template of the concrete precast tubular pile according to claim 1, is characterized in that: the core filling concrete supporting plate (7) is of a disc-shaped structure, and the diameter of the core filling concrete supporting plate (7) is equal to the diameter of the inner cavity of the precast tubular pile (2).

5. The quick mounting and positioning tool for the pile cap and the template of the concrete precast tubular pile according to claim 1, is characterized in that: the reinforcing bar net piece is fixed together between solid fixed ring (8) and central jack-post (4) and is installed four connecting rods (31), four connecting rods (31) use central jack-post (4) to be the annular array and distribute as the center.

6. The quick mounting and positioning tool for the pile cap and the template of the concrete precast tubular pile according to claim 1, is characterized in that: the diameter of the reinforcing mesh fixing ring (8) is smaller than that of the inner cavity of the precast tubular pile (2).