Quick connecting structure for PHC (prestressed high-strength concrete) pipe pile cap

Abstract

The utility model discloses a PHC pipe pile cap fast connecting structure which comprises a first PHC pipe pile, an upper pile cap is arranged below the first PHC pipe pile, a second PHC pipe pile is arranged on the side, away from the first PHC pipe pile, of the upper pile cap, a lower pile cap is arranged above the second PHC pipe pile, a plurality of connecting blocks arranged in a matrix mode are arranged on the side, close to the lower pile cap, of the upper pile cap, and the connecting blocks are connected with the first PHC pipe pile. The lower portion of the connecting block is fixedly connected with a clamping block, a plurality of guide grooves distributed in a matrix mode are formed in the upper end of the lower pile cap, through grooves are formed in one sides of the guide grooves, limiting grooves are formed in the sides, away from the guide grooves, of the through grooves, and clamping grooves are formed in the positions, below the guide grooves and the limiting grooves, of the lower pile cap. The connecting structure is simple, the PHC pipe pile construction efficiency is high, operation is convenient, welding of butt welding seams of conventional carbon dioxide arc welding is avoided, and pollution to the environment is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of building engineering construction, especially relates to a PHC pipe pile cap quick connecting structure. BACKGROUND

[0002] China is vast in territory, and the geological conditions of various places are quite different, especially in the coastal soft soil area, the soil has typical geological characteristics of low shear strength, small permeability, high water content and high compressibility, and it is extremely critical to improve the bearing capacity of building foundation, and pile foundation has a significant effect on improving the bearing capacity of foundation in soft soil area, and prefabricated PHC pipe pile, as a type of engineering pile, to a great extent, solves the defects of poor site operation condition, high labor intensity, large amount of construction waste, unstable construction quality, high energy consumption in the whole life cycle of construction, low industrialization degree and the like of cast-in-place bored pile, and the prefabricated PHC pipe pile is mostly in two ways of hammering method and static pressure method, wherein the static pressure method uses hydraulic or pressure holding type pile press to press the pile into the soil by its weight and counterforce, and the noise is low, and the environmental protection requirement can be met to a great extent. However, during the construction of the static pressure method, the pile foundation is constantly moved with different pile positions, and the welding equipment, carbon dioxide gas cylinder and gas pipe will also be moved, and the safety hidden danger is prominent; the carbon dioxide welding seam gas shield welding used for butt joint of upper and lower pile sections is related to night construction engineering, and the light pollution is strong, and the influence on the surrounding residents is great in the densely populated area, and therefore, the utility model provides a PHC pipe pile cap quick connecting structure. CONTENT OF UTILITY MODEL

[0003] In order to solve the above problems, the utility model provides a PHC pipe pile cap quick connecting structure. The utility model solves the problems that during the construction of the static pressure method, the pile foundation is constantly moved with different pile positions, and the welding equipment, carbon dioxide gas cylinder and gas pipe will also be moved, and the safety hidden danger is prominent; the carbon dioxide welding seam gas shield welding used for butt joint of upper and lower pile sections is related to night construction engineering, and the light pollution is strong, and the influence on the surrounding residents is great in the densely populated area.

[0004] The utility model discloses a PHC pipe pile cap quick connecting structure, including first PHC pipe pile, the first PHC pipe pile lower side is equipped with the upper pile cap, the upper pile cap is equipped with the second PHC pipe pile away from the first PHC pipe pile side, the second PHC pipe pile upper side is equipped with the lower pile cap, the upper pile cap is equipped with a plurality of matrix arrangement's connecting block one side of the lower pile cap, the connecting block lower side is fixedly connected with the clamping block, the lower pile cap upper end is equipped with a plurality of matrix arrangement's guide slot, the guide slot one side is equipped with the through slot, the through slot is equipped with the limit slot away from the guide slot side, the lower pile cap is located guide slot and the limit slot lower side is equipped with the clamping groove.

[0005] The lower pile cap is provided with a mounting groove on the side close to the limiting groove below the clamping groove, two symmetrical springs are arranged in the mounting groove, and the limiting block is fixedly connected above the springs.

[0006] In the scheme, the side away from the limiting groove of the limiting block is provided as an inclined surface.

[0007] In the scheme, the two sides of the limiting block are provided with sliding blocks, and the two sides of the mounting groove of the lower pile cap are provided with sliding grooves matched with the sliding blocks.

[0008] In the scheme, the clamping block and the guide groove are each provided with eight.

[0009] In the scheme, the diameter of the guide groove is greater than the diameter of the limiting groove.

[0010] The utility model discloses a kind of quick connection structure of PHC pipe pile pile cap, connecting block and clamping block enter inside clamping groove by guide groove, rotate first PHC pipe pile, so that connecting block and respectively in the movement inside limiting groove and clamping groove, until connecting block moves to inside limiting groove, when connecting block moves to inside limiting groove, under the action of spring elastic force, spring ejects limiting block from inside mounting groove, so that limiting block is positioned to clamping block, to complete the butt joint of two section PHC pipe piles. This kind of connection structure structure is simple, PHC pipe pile construction efficiency is high, easy to operate, avoid the welding of conventional carbon dioxide gas shielded welding butt joint weld, reduce the pollution to environment. BRIEF DESCRIPTION OF DRAWINGS

[0011] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0012] Figure 1 It is the structure schematic view of the utility model;

[0013] Figure 2 It is the first sectional view of the utility model;

[0014] Figure 3 It is the second sectional view of the utility model;

[0015] Figure 4 It is the structure schematic view of part A of the utility model;

[0016] Figure 5 It is the bottom view of upper pile cap of the utility model;

[0017] Figure 6 The utility model discloses a pile cap lower plan view.

[0018] In the drawing: 1, first PHC pipe pile 2, upper pile cap 3, second PHC pipe pile 4, lower pile cap

[0019] 5, connecting block 6, clamping block 7, guide slot 8, through slot

[0020] 9, limiting slot 10, clamping groove 11, installation slot 12, spring

[0021] 13, limiting block 14, sliding block 15, sliding slot. DETAILED DESCRIPTION

[0022] The utility model discloses a pile cap lower plan view.

[0023] As Figures 1-6 The utility model discloses a PHC pipe pile pile cap quick connection structure, including first PHC pipe pile 1, the first PHC pipe pile 1 below is equipped with upper pile cap 2, the upper pile cap 2 is equipped with second PHC pipe pile 3 away from first PHC pipe pile 1 one side, the second PHC pipe pile 3 is equipped with lower pile cap 4 above, the upper pile cap 2 is equipped with a plurality of matrix arrangement's connecting block 5 close to lower pile cap 4 one side, the connecting block 5 below is fixedly connected with clamping block 6, the lower pile cap 4 upper end is equipped with a plurality of matrix arrangement's guide slot 7, and connecting block 5 and clamping block 6 can enter the inside of clamping groove 10 through guide slot 7, the guide slot 7 one side is equipped with through slot 8, and the through slot 8 is equipped with limiting slot 9 away from guide slot 7 one side, and the lower pile cap 4 is equipped with clamping groove 10 below guide slot 7 and limiting slot 9, and connecting block 5 and clamping block 6 can enter the inside of clamping groove 10 through guide slot 7, when first PHC pipe pile 1 and upper pile cap 2 rotate, connecting block 5 enters the inside of limiting slot 9, and clamping block 6 is clamped in the inside of clamping groove 10, and through the mutual of between clamping block 6 and clamping groove 10, the upper pile cap 2 and the lower pile cap 4 can be connected stably.

[0024] The lower pile cap 4 is equipped with installation slot 11 below clamping groove 10 close to limiting slot 9 one side, the installation slot 11 is equipped with two symmetrical springs 12, and the spring 12 upper side is fixedly connected with limiting block 13, when connecting block 5 moves to the inside of limiting slot 9, under the action of spring 12 elasticity, spring 12 pushes limiting block 13 out from the inside of installation slot 11, so that limiting block 13 limits clamping block 6.

[0025] The limiting block 13 is provided with a slope on the side away from the limiting groove 9, and the slope enables the clamping block 6 to extrude the limiting block 13 into the installation groove 11 when the clamping block 6 slides in the clamping groove 10.

[0026] The limiting block 13 is provided with a slide block 14 on both sides, and the lower pile cap 4 is provided with a slide groove 15 matched with the slide block 14 on both sides of the installation groove 11, and the slide block 14 can slide in the slide groove 15, and the cooperation between the slide block 14 and the slide groove 15 effectively improves the movement stability of the limiting block 13.

[0027] The clamping block 6 and the guide groove 7 are each provided with eight.

[0028] The guide groove 7 has a larger aperture than the limiting groove 9, and the cross-sectional size of the guide groove 7 to the limiting groove 9 is gradually reduced, so that the guide groove 7, the through groove 8 and the limiting groove 9 can limit the clamping block 6.

[0029] Specifically, in the utility model, when the PHC pipe pile is installed, the first PHC pipe pile 1 is firstly statically pressed according to the pipe pile planar arrangement diagram axis position, a length of 1000-1200mm is reserved to expose the ground, the second PHC pipe pile 3 is hoisted and hoisted into the static pressure pile installation machine platform clamp, the upper and lower two-section PHC pipe pile caps are aligned, the verticality of the two-section pile body is pre-controlled and measured under the interface misalignment condition, the static pressure pile installation machine platform clamp is moved downward, so that the connecting block 5 and the clamping block 6 enter the clamping groove 10 through the guide groove 7, the first PHC pipe pile 1 is rotated, so that the connecting block 5 and the clamping block 6 move in the limiting groove 9 and the clamping groove 10 respectively, until the connecting block 5 moves into the limiting groove 9, when the connecting block 5 moves into the limiting groove 9, under the action of the elasticity of the spring 12, the spring 12 pushes out the limiting block 13 from the installation groove 11, so that the limiting block 13 limits the clamping block 6, thereby completing the butt joint of the two-section PHC pipe piles.

[0030] The above only describes the preferred embodiments of the utility model, and does not limit the utility model, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A quick connection structure of a PHC pipe pile cap, comprising a first PHC pipe pile (1), characterized in that, The first PHC pipe pile (1) is provided with an upper pile cap (2), the upper pile cap (2) is provided with a second PHC pipe pile (3) away from the first PHC pipe pile (1), the second PHC pipe pile (3) is provided with a lower pile cap (4) above, the upper pile cap (2) is provided with a plurality of matrix arranged connecting blocks (5) close to the lower pile cap (4), the connecting blocks (5) are fixedly connected with clamping blocks (6) below, the lower pile cap (4) is provided with a plurality of matrix arranged guide grooves (7) on the upper end, the guide grooves (7) are provided with through grooves (8) on one side, the through grooves (8) are provided with limiting grooves (9) away from the guide grooves (7) on one side, and the lower pile cap (4) is provided with clamping grooves (10) below the guide grooves (7) and the limiting grooves (9).

2. The quick connection structure of the PHC pile cap according to claim 1, characterized in that, The lower pile cap (4) is provided with mounting grooves (11) on the side close to the limiting grooves (9) below the clamping grooves (10), the mounting grooves (11) are provided with two symmetrical springs (12) inside, and the springs (12) are fixedly connected with limiting blocks (13) above.

3. The quick connection structure of the PHC pile cap according to claim 2, characterized in that, The limiting block (13) is provided with an inclined surface away from the limiting groove (9) on one side.

4. The quick connection structure of the PHC pile cap according to claim 2, characterized in that, The limiting block (13) is provided with sliding blocks (14) on both sides, and the lower pile cap (4) is provided with sliding grooves (15) matched with the sliding blocks (14) on both sides of the mounting grooves (11).

5. The quick connection structure of the PHC pile cap according to claim 1, characterized in that, The clamping block (6) and the guide groove (7) are each provided with eight.

6. The quick connection structure of the PHC pile cap according to claim 1, characterized in that, The aperture of the guide groove (7) is larger than that of the limiting groove (9).

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