CN217174754U

CN217174754U - External ribbed plate type pile driver for pile sinking

Info

Publication number: CN217174754U
Application number: CN202220257322.4U
Authority: CN
Inventors: 杨涛; 丁文智; 亢永江; 米刘芳; 唐天华; 王泽宏; 陈官禄; 宾稳; 王令帅; 王斌; 窦磊
Original assignee: Tianjin Port & Channel Engineering Co ltd
Current assignee: Tianjin Port & Channel Engineering Co ltd
Priority date: 2022-02-08
Filing date: 2022-02-08
Publication date: 2022-08-12
Anticipated expiration: 2032-02-08

Abstract

The utility model discloses an external ribbed plate type pile feeder for pile sinking, which is composed of arc-shaped rib frames symmetrically fixed on the outer walls of the two sides of a pile body by taking a connecting line between lugs at the two sides of the pile body as a symmetry axis; each arc-shaped rib frame consists of a plurality of vertical rib plates, a plurality of transverse rib plates and a plurality of guide rib plates, wherein the vertical rib plates are uniformly distributed along the circumferential direction of the pile body and are fixed on the pile body in a manner that the top end and the bottom end are respectively leveled; the plurality of transverse rib plates are sequentially arranged at equal intervals from top to bottom of the plurality of vertical rib plates from top to bottom; a plurality of guide rib plates are vertically arranged and are positioned above the five vertical rib plates in a one-to-one correspondence manner, and the top corners of the guide rib plates are cut into inclined planes; the outer rib plate type pile feeder for pile sinking has the advantages of simple structure and easiness in manufacturing, is suitable for pile sinking operation of pile feeders with different diameters, and reduces the market demand of construction cost while improving the construction efficiency.

Description

External ribbed plate type pile driver for pile sinking

Technical Field

The utility model relates to an offshore wind power construction pile sinking technical field, in particular to outer gusset formula pile follower that pile sinking was used.

Background

When the offshore wind power pile foundation pile sinking construction is carried out, because the required elevation of a foundation pile is below the water surface, a hydraulic hammer is matched with a pile feeder to drive the pile into the seabed when the pile is sunk, but the hydraulic hammer is limited in equipment resources and various in model, the pile feeder is poor in adaptability to the hydraulic hammer, and the currently used method is to weld a rib plate on a hammer cap of the hydraulic hammer so as to achieve the purpose of reducing the diameter and enable the pile feeder to adapt to the pile feeder.

The offshore wind power industry in China develops rapidly in two years, pile sinking of each construction unit is not an engineering pile with a single diameter, ship machinery equipment and pile driving equipment are in short supply, the same hydraulic hammer is required to be used for driving engineering piles with various diameters, rib plates are replaced on a hydraulic hammer cap, the time is too long, the offshore construction window period is short, the rib plate replacement is not practical, the problem is well solved due to the appearance of an outer rib plate type pile feeder, the offshore wind power pile foundation construction efficiency is better met, and the market demand of construction cost is lowered.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an outer gusset formula pile follower that pile sinking was used that is suitable for multiple pile footpath pile follower to go adaptation hydraulic hammer and carries out the pile sinking.

Therefore, the utility model discloses technical scheme as follows:

an external ribbed plate type pile feeder for pile sinking is composed of arc-shaped rib frames symmetrically fixed to the external walls of both sides of a pile body by taking the connecting line between lifting lugs at both sides of the pile body as a symmetry axis; each arc-shaped rib frame consists of a plurality of vertical rib plates, a plurality of transverse rib plates and a plurality of guide rib plates,

a plurality of vertical rib plates are uniformly arranged along the circumferential direction of the pile body and are fixed on the pile body in a way that the top end and the bottom end are respectively leveled; each vertical gusset is fixed on one's body with the mode of perpendicular to pile body outer wall, and its length on pile body axial direction is 2 ~ 3m, and its width in pile body radial direction satisfies: the outer diameter of the outer gusset type pile feeder for pile sinking fixed on the outer wall of the pile body is slightly smaller than the inner diameter of the hammer cap;

the plurality of transverse rib plates are sequentially arranged at equal intervals from top to bottom of the plurality of vertical rib plates from top to bottom; the transverse rib plates are half-fan-shaped rib plates, the radian of the inner circumference of each half-fan-shaped rib plate is matched with that of the pile body, and the transverse rib plates are equally divided into a plurality of sections of arc-shaped short plates according to the distance between the adjacent vertical rib plates; each section of arc-shaped short plate fixes the inner circumferential surface of the arc-shaped short plate on the outer wall of the pile body in a horizontal state, and simultaneously, the two ends of the arc-shaped short plate are fixed on the vertical rib plates positioned at the two sides; the width of each transverse rib plate in the radial direction of the pile body is slightly smaller than or equal to the width of each vertical rib plate in the radial direction of the pile body;

the guide rib plates are vertically arranged and are positioned above the five vertical rib plates in a one-to-one correspondence manner; the guide rib plate is fixed on the pile body in a mode of being vertical to the outer wall of the pile body, and the bottom surface of the guide rib plate is fixed on the top surface of the vertical rib plate; the length of each guide rib plate in the axial direction of the pile body is 2 m-3 m, the width of each guide rib plate in the radial direction of the pile body is consistent with the width of the vertical rib plate in the radial direction of the pile body, and the upper vertex angle of each guide rib plate is cut into an inclined plane which enables the upper vertex angle of each guide rib plate to be the width of the vertical rib plate in the radial direction of the pile body.

Further, the arc length of the arc-shaped reinforcing frame on the radial section is 1/2-2/3 of the circumference of the pile body.

Furthermore, the thickness of the vertical rib plate and the thickness of the guide rib plate are both 40mm, and the thickness of the transverse rib plate is 30 mm.

Furthermore, the outer diameter of the outer rib plate type pile feeder for pile sinking fixed on the outer wall of the pile body is slightly smaller than the inner diameter of the hammer cap by 0.1 m.

Furthermore, the horizontal error of the top end of each vertical rib plate in the flush is +/-3 mm, and the horizontal error of the bottom end of each vertical rib plate in the flush is +/-3 mm.

Furthermore, a distance of 10-20 cm is reserved between the top surface of the guide rib plate 3 and the top surface of the pile body 4.

Compared with the prior art, this outer gusset formula pile follower that pile sinking was used simple structure, easily preparation are applicable to the pile sinking operation of different diameter pile followers, and according to each engineering pile follower diameter difference, only need to change the hammer cap specification that outer gusset plate size and hydraulic hammer on each engineering on the pile follower and match, can realize relying on each engineering existing equipment to carry out the pile sinking, and then satisfy the market demand that reduces construction cost when promoting the efficiency of construction.

Drawings

Fig. 1 is a side view of an external ribbed plate type pile feeder for pile sinking of the present invention;

fig. 2 is a top view of the external ribbed plate type pile feeder for pile sinking of the present invention;

fig. 3 is another side view of the external gusset type pile feeder for pile sinking of the present invention.

Detailed Description

The present invention will be further described with reference to the following drawings and specific examples, but the following examples are by no means limiting the present invention.

As shown in fig. 1 to 3, the external gusset type pile feeder for pile sinking is suitable for a steel pipe pile with a top pile diameter of 4.5m of a pile body 4, and correspondingly, the inner diameter of a hammer cap of a hydraulic hammer matched with the pile diameter is 5.1 m; based on this, an outer gusset type pile feeder for pile sinking adapted to the steel pipe pile is designed.

Specifically, the external rib plate type pile feeder for pile sinking is composed of arc-shaped rib frames which are symmetrically welded and fixed on the outer walls of two sides of a pile body 4 by taking a connecting line between lifting lugs 5 of the two sides of the pile body as a symmetry axis; the arc length of each arc-shaped reinforcing frame on the radial section is 1/3 of the circumference of the pile body, so that the outer reinforcing plates can not scratch the hanging strips when the pile feeder turns over and lifts;

each arc-shaped rib frame is composed of five vertical rib plates 1, three transverse rib plates 2 and five guide rib plates 3, and each part is made of low-carbon alloy steel Q355B; in particular, the amount of the solvent to be used,

the five vertical rib plates 1 are uniformly arranged along the circumferential direction of the pile body and are welded and fixed on the pile body in a way that the top ends and the bottom ends are respectively leveled; the vertical rib plate 1 is a rib plate with the thickness of 40mm, and when the vertical rib plate 1 is welded and fixed on the pile body in a mode of being vertical to the outer wall of the pile body, the length of the vertical rib plate 1 in the axial direction of the pile body is 2.75m, and the width of the vertical rib plate 1 in the radial direction of the pile body is 250 mm;

the leveling error of the top end of each vertical rib plate 1 is +/-3 mm, and the leveling error of the bottom end of each vertical rib plate 1 is +/-3 mm, so that the perpendicularity of the steel pipe pile after hammering is ensured;

the three transverse rib plates 2 are sequentially arranged at the top, the middle and the bottom of the five vertical rib plates 1 from top to bottom; the transverse rib plates 2 are half-fan-shaped rib plates, the radian of the inner circumference of each half-fan-shaped rib plate is matched with that of the pile body, the half-fan-shaped rib plates are divided into four sections of arc short plates according to the distance between the adjacent vertical rib plates 1, the inner circumferential surface of each section of arc short plate is welded and fixed on the outer wall of the pile body in a horizontal state, and the two ends of each section of arc short plate are welded and fixed on the vertical rib plates 1 positioned on the two sides; each transverse rib plate 2 is a rib plate with the thickness (namely the width along the axial direction of the pile body) of 30mm, and the width of the transverse rib plate in the radial direction of the pile body is 230 mm;

the five guide rib plates 3 are vertically arranged and are positioned above the five vertical rib plates 1 in a one-to-one correspondence manner; each guide rib plate 3 is welded and fixed on the pile body in a mode of being vertical to the outer wall of the pile body, and the bottom surface of each guide rib plate is welded and fixed on the top surface of the vertical rib plate 1; the guide rib plate 3 is also a rib plate with the thickness of 40mm, the length of the guide rib plate in the axial direction of the pile body is 2.75m, and the width of the guide rib plate in the radial direction of the pile body is 250 mm;

in order to facilitate the sheathing of the pile driver into the hammer cap, the upper vertex angle of each guide rib plate 3 is cut into an inclined plane, so that the width of the top end of the guide rib plate in the radial direction of the pile body is gradually increased from top to bottom, and the guide hammer cap is conveniently sheathed at the top of the pile driver; meanwhile, when the pile is installed, a 15cm distance is reserved between the top surface of the guide rib plate 3 and the top surface of the pile body 4 and is used for installing a hammer cap.

In this embodiment, when the rib plates and the pile body are welded and fixed, all the welding seams are formed by full penetration welding to ensure the structural strength.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the structure of the present invention in any way. Any simple modification, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention all still fall within the scope of the technical solution of the present invention.

Claims

1. An outer rib plate type pile feeder for pile sinking is characterized by comprising arc-shaped rib frames which are symmetrically fixed on the outer walls of two sides of a pile body by taking a connecting line between lifting lugs of the two sides of the pile body as a symmetrical axis; each arc-shaped rib frame consists of a plurality of vertical rib plates (1), a plurality of transverse rib plates (2) and a plurality of guide rib plates (3), wherein,

a plurality of vertical rib plates (1) are uniformly arranged along the circumferential direction of the pile body and are fixed on the pile body in a way that the top ends and the bottom ends are respectively leveled; each vertical gusset (1) is fixed on one's body with the mode of perpendicular to pile body outer wall, and its length on pile body axial direction is 2 ~ 3m, and its width in pile body radial direction satisfies: the outer diameter of the outer rib plate type pile feeder for pile sinking fixed on the outer wall of the pile body is smaller than the inner diameter of the hammer cap;

the plurality of transverse rib plates (2) are sequentially arranged from top to bottom at equal intervals from the top to the bottom of the plurality of vertical rib plates (1); the transverse rib plates (2) are half-fan-shaped rib plates, the radian of the inner circumference of each half-fan-shaped rib plate is matched with that of the pile body, and the transverse rib plates are equally divided into a plurality of sections of arc-shaped short plates according to the distance between the adjacent vertical rib plates (1); each section of arc-shaped short plate is fixed with the inner circumferential surface on the outer wall of the pile body in a horizontal state, and the two ends of each section of arc-shaped short plate are fixed on the vertical rib plates (1) positioned at the two sides; the width of each transverse rib plate (2) in the radial direction of the pile body is less than or equal to the width of each vertical rib plate (1) in the radial direction of the pile body;

the guide rib plates (3) are vertically arranged and are positioned above the five vertical rib plates (1) in a one-to-one correspondence manner; the guide rib plate (3) is fixed on the pile body in a mode of being vertical to the outer wall of the pile body, and the bottom surface of the guide rib plate is fixed on the top surface of the vertical rib plate (1); the length of each guide rib plate (3) in the axial direction of the pile body is 0.35-0.5 m, the width of each guide rib plate in the radial direction of the pile body is consistent with the width of the vertical rib plate (1) in the radial direction of the pile body, and the upper vertex angle of each guide rib plate (3) is cut into an inclined plane which enables the upper vertex angle of each guide rib plate to be the width of each guide rib plate in the radial direction of the pile body.

2. An external gusset type pile driver for pile sinking according to claim 1, wherein the arc length of the arc-shaped gusset in the radial cross section is 1/2-2/3 of the circumference of the pile body.

3. The external gusset type pile driver for pile sinking according to claim 1, wherein the thickness of the vertical gusset (1) and the thickness of the guide gusset (3) are both 40mm, and the thickness of the transverse gusset (2) is 30 mm.

4. The pile driver according to claim 1, wherein the outer diameter of the pile driver fixed to the outer wall of the pile body is smaller than the inner diameter of the hammer cap by 0.1 m.

5. The external gusset type pile driver for pile sinking according to claim 1, wherein the horizontal error of the top end of each vertical gusset (1) being flush is ± 3mm, and the horizontal error of the bottom end of each vertical gusset (1) being flush is ± 3 mm.

6. The external gusset type pile driver for pile sinking according to claim 1, wherein a space of 10-20 cm is left between the top surface of the guide gusset (3) and the top surface of the pile body (4).