CN215105275U

CN215105275U - Tubular pile splicing equipment

Info

Publication number: CN215105275U
Application number: CN202120209420.6U
Authority: CN
Inventors: 秦伟; 戴国亮; 王军; 郭林; 赵俊亮; 董旭东; 张金荣; 潘朝昊
Original assignee: Wenzhou University
Current assignee: Wenzhou University
Priority date: 2021-01-26
Filing date: 2021-01-26
Publication date: 2021-12-10
Anticipated expiration: 2031-01-26

Abstract

The invention discloses tubular pile extension equipment which comprises a hoop component, wherein the hoop component is a hoop of a rotating body, an inner cavity of the hoop is matched with the outer diameter of a tubular pile, the diameter of the middle part of the outer surface of the hoop is large, the diameters of the two end parts of the outer surface of the hoop are small, the hoop is streamline, the two end parts of the hoop are in smooth transition to the middle part respectively, and concave cambered surfaces are formed between the middle part and the two end parts respectively. This tubular pile splicing equipment has improved the quality of pile splicing efficiency and pile splicing department, has reduced pile splicing and is in the in-process that drives into and destroys the risk, has improved the efficiency of pile bearing capacity performance simultaneously.

Description

Tubular pile splicing equipment

Technical Field

The utility model relates to a tubular pile splicing equipment.

Background

The application of the pipe pile foundation in pile foundation engineering is wider, such as FRP pipe piles and prestressed concrete pipe piles. The pile foundations are usually installed in soil by driving (hammering, static pressure or vibration, etc.), and due to the limitation of pile driving equipment and the pile length of the precast pile, if the designed pile length exceeds the allowable range of the pile driving equipment, the pile foundations are usually installed by adopting a pile splicing mode, and the connection quality of the pile splicing position influences the bearing performance and the corresponding construction quality of the tubular pile. However, in the pile splicing process, the pile splicing is often affected due to the eccentricity of the pile which is firstly driven, and on the other hand, the pile splicing position is complicated in the stress state borne in the penetration process, and the pile splicing position of the general pile splicing method is easy to damage, so that the pile splicing fails and the bearing performance of the pile is affected.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a tubular pile extension equipment is provided. The tubular pile splicing equipment has the advantages that the connection and bearing performance of the joint of the tubular pile is enhanced, the pile splicing quality and efficiency of the tubular pile are improved, the pile breakage rate is reduced, and the service performance of the tubular pile or a component is enhanced.

Therefore, the utility model provides a pair of tubular pile extension equipment, including the staple bolt component, the staple bolt component is the staple bolt of rotator, staple bolt inner chamber and tubular pile external diameter looks adaptation, staple bolt surface intermediate part diameter is big, and staple bolt surface both ends diameter is little, the staple bolt is streamlined, and the staple bolt both ends are respectively to intermediate part smooth transition, form the indent cambered surface between intermediate part and the both ends respectively.

The utility model discloses in, tubular pile extension equipment adopts the staple bolt component, and staple bolt formula is connected and has been completely cut off adverse effect such as surrounding environment to the corrosion of pile extension department, infiltration, when having avoided upper and lower pile transmission load, the eccentric load appears, can be better exert the bearing capacity of stake. The efficiency and the quality of the connection between the tubular piles are improved, so that the alignment requirement is met by rotating the upper pile section when the upper pile and the lower pile are not needed to be spliced, and the breakage rate of the spliced part is reduced. The streamlined outer surface of the anchor ear can avoid the extrusion shearing damage of the surrounding soil body to the pile connecting position.

Drawings

Fig. 1 is a schematic structural view of a pipe pile splicing apparatus according to a first embodiment of the present invention;

fig. 2 is another schematic view of the pipe pile splicing apparatus in fig. 1;

fig. 3 is a schematic structural view of the pipe pile splicing device in fig. 1 after being connected with a first pipe pile and a second pipe pile;

fig. 4 is a schematic cross-sectional structure view of a connection portion between the pipe pile splicing device and the first pipe pile in fig. 3;

fig. 5 is a schematic view of a transverse cross-sectional structure of the pipe pile splicing apparatus shown in fig. 4, wherein first fixing holes are formed in two sides of the pipe pile splicing apparatus;

fig. 6 is a schematic structural view of a pipe pile splicing apparatus according to a second embodiment of the present invention;

fig. 7 is a schematic structural view of the pipe pile splicing device in fig. 6 after being connected with a first pipe pile and a second pipe pile;

fig. 8 is a schematic cross-sectional view of a connection portion between the pipe pile splicing device and the first pipe pile in fig. 7;

fig. 9 is a schematic structural view of a pipe pile splicing device provided in a third embodiment of the present invention after being connected to a first pipe pile and a second pipe pile;

fig. 10 is a schematic cross-sectional view of a connection portion of the pipe pile splicing device and the first pipe pile in fig. 9;

fig. 11 is a schematic structural view of the first tubular pile and the second tubular pile in fig. 9 after being connected;

fig. 12 is a schematic structural view of the position a after the first tubular pile and the second tubular pile are connected in fig. 11.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. In which like parts are designated by like reference numerals. 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 "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

Referring to fig. 1 to 5, a first embodiment of the present invention provides a pipe pile splicing apparatus, including a hoop member, the hoop member is a hoop 1 of a rotator, and the hoop 1 may be made of steel or other high-strength molding materials. Staple bolt inner chamber 2 cavity and with tubular pile external diameter looks adaptation, 3 diameters in staple bolt surface intermediate part are big, and 4 diameters in staple bolt surface both ends are little. The anchor ear is streamline, two end parts 4 of the anchor ear are respectively in smooth transition towards the middle part 3, and concave cambered surfaces 5 are respectively formed between the middle part 3 and the two end parts 4. The thickness of the middle 3 is the largest, the edges of the two ends 4 of the hoop are the thinnest, the hoop is in a middle high two-side low streamline state, and the upper concave cambered surface and the lower concave cambered surface are symmetrically distributed on the two sides of the middle part. The streamlined outer surface of the anchor ear can avoid the extrusion shearing damage of the surrounding soil body to the pile connecting position. The length of staple bolt is 0.25D-1.5D, and staple bolt intermediate part thickness range is 0.05D-0.25D, staple bolt both ends thickness range is 0.01D-0.05D, D is the external diameter of tubular pile.

The staple bolt is the integral type, and the staple bolt lateral wall has staple bolt connector 6, staple bolt connector 6 both sides end all is equipped with corresponding and the connecting hole 7 of adaptation, and connecting hole quantity optional is three. When in a connection state, the expansion screws penetrate through the connecting holes 7 on the two sides to fasten the hoop connecting port 6. One side or two sides of the hoop are provided with a plurality of first fixing holes 8 which are symmetrically arranged. The number of first fixing holes 8 per side is preferably 2 or 4. The connected pipe pile is provided with a fixing hole matched with the first fixing hole 8. The aperture range of the connecting hole 7 and the first fixing hole 8 is 0.001D-0.1D, and D is the outer diameter of the tubular pile.

Referring to fig. 6 to 8, a second embodiment of the present invention provides a pipe pile splicing apparatus, which is basically the same as the first embodiment, except that: staple bolt 1 comprises two half hoop bodies 9, half hoop body both sides opening link all is equipped with a plurality of connecting holes 7, and connecting hole 7 on two half hoop bodies is corresponding and the adaptation. In the connection state, the expansion screws sequentially penetrate through the connection holes 7 and fix the two half hoop bodies 9. One side or two sides of the hoop are provided with a plurality of first fixing holes 8 which are symmetrically arranged. The number of first fixing holes 8 per side is preferably 2 or 4. The connected pipe pile is provided with a fixing hole matched with the first fixing hole 8. The aperture range of the connecting hole 7 and the first fixing hole 8 is 0.001D-0.1D, and D is the outer diameter of the tubular pile.

The construction method of the pipe pile splicing equipment comprises the following steps:

(1) according to the requirements of tests and construction, firstly, the first tubular pile 10 is installed, the pile head part of the first tubular pile 10 is exposed outside, the eccentricity and the integrity of the pile head of the first tubular pile 10 are measured, and a plurality of second fixing holes 11 are formed in the pile head;

(2) the end of the pile head of the first tubular pile 10 is filled with a high-strength adhesive or glue, such as epoxy resin. The pile head of the first tubular pile 10 is ensured to be flat, the second tubular pile 12 is aligned and connected with the first tubular pile 10, the end part of the second tubular pile is provided with a plurality of third fixing holes 13, and when the second tubular pile is aligned and connected, the third fixing holes 13 are aligned and arranged with the second fixing holes 11;

(3) high-strength adhesive or glue is filled on the inner side of the hoop 1, the hoop 1 is sleeved at the pile connecting position of the first tubular pile 10 and the second tubular pile 12, the first fixing hole 8 on the hoop is aligned with the corresponding second fixing hole 11 and the third fixing hole 13, and a high-strength expansion screw penetrates through the connecting hole 7 and is fixedly connected with the connecting hole;

(4) the first fixing hole 8 and the second fixing hole 11 and/or the first fixing hole 8 and the third fixing hole 13 are fixed through high-strength expansion screws, and the hoop 1 is fixedly connected with the first tubular pile 10 and the second tubular pile 12. The second fixing hole and the third fixing hole are matched with the first fixing hole. Can be according to the condition of on-spot pile extension, first fixed orifices can carry out fixed connection with second fixed orifices or third fixed orifices on the tubular pile, also can not carry out fixed connection with second fixed orifices or third fixed orifices on the tubular pile, need guarantee the whole streamlined of streamlined staple bolt in the connection process. In the fixing process, an alternate fixing mode is adopted, so that the anchor ear can be fully contacted with the upper pile and the lower pile, and the strength of the pile splicing part is ensured.

(5) Anticorrosive material is paintd to staple bolt 1 surface, and anticorrosive material is all paintd to the junction of first tubular pile 10 and second tubular pile 12 and staple bolt 1, and anticorrosive material paints length and puts towards two tubular piles extension 2D-5D for pile splicing department central point, D is the external diameter of tubular pile.

The pile extension of first tubular pile 10 and second tubular pile 12 adopts staple bolt component connection, and staple bolt 1 formula is connected and has been completely cut off adverse effect such as surrounding environment to pile extension department corruption, infiltration, when having avoided pile transmission load from top to bottom, the eccentric load appears, can be better exert the bearing capacity of stake. The connecting efficiency and the quality between the tubular piles are improved, the upper section of the pile is rotated to meet the alignment requirement when the upper pile and the lower pile are not needed to be connected, and the destruction rate of the pile connecting position is reduced, so that the pile breakage rate is reduced, and the service performance of the tubular pile or a component is enhanced.

Referring to fig. 9 to 12, a third embodiment of the present invention provides a pipe pile splicing apparatus, which is substantially the same as the second embodiment except that: tip one side that second tubular pile 12 and first tubular pile 10 are connected has last constant head tank 15 respectively and constant head tank 16 down, go up constant head tank 15 and extend to second tubular pile 12 bottom, constant head tank 16 extends to the pile head top of first tubular pile 10 down, and when first tubular pile 10 aligns with second tubular pile 12 and is connected, go up constant head tank 15 and constant head tank 16 butt joint down and switch on. When aligning installation second tubular pile 12, correspond the butt joint through going up constant head tank 15 and constant head tank 16 down, can align the setting with second fixed orifices 11 on the first tubular pile and third fixed orifices 13, make things convenient for the staff installation, need not to rotate second tubular pile 12 and debug second fixed orifices 11 and third fixed orifices 13 and correspond the position. The middle of the inner side wall of the hoop is provided with a positioning lug block 17, and one side of the positioning lug block 17 is provided with an arc surface. The groove body formed by connecting the upper positioning groove 15 and the lower positioning groove 16 is matched with the positioning lug 17. When the hoop 1 is connected at the pile splicing position, the positioning lug is provided with a cambered surface, so that the hoop can be conveniently rotated and finely adjusted at the pile splicing position. The positioning lug 17 is clamped into the groove body after the upper positioning groove 15 and the lower positioning groove 16 are connected, the position of the hoop is limited, manual adjustment is not needed, and the positions of the first fixing hole 8 and the second fixing hole 11 and the third fixing hole 13 on the hoop can be aligned. Go up the non-cambered surface end of constant head tank 15 and can set up downwardly extending's cutting 18, have in the constant head tank 16 down with the socket 19 of cutting adaptation, when second tubular pile 12 connects the stake with first tubular pile 10, only need to insert cutting 18 in the socket 19, can carry out accurate positioning.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a tubular pile extension equipment which characterized by: including the staple bolt component, the staple bolt component is the staple bolt of rotator, staple bolt inner chamber and tubular pile external diameter looks adaptation, staple bolt surface intermediate part diameter is big, and staple bolt surface both ends diameter is little, the staple bolt is streamlined, and the staple bolt both ends are respectively to intermediate part smooth transition, form the indent cambered surface between intermediate part and the both ends respectively.

2. A pipe pile splicing device according to claim 1, wherein: the staple bolt is the integral type, and the staple bolt lateral wall has the staple bolt connector, staple bolt connector both sides end all is equipped with corresponding and the connecting hole of adaptation, and during connection state, the inflation screw passes both sides connecting hole, fastens the staple bolt connector.

3. A pipe pile splicing device according to claim 1, wherein: the staple bolt comprises two half hoop bodies, half hoop body both sides link all is equipped with a plurality of connecting holes, and the connecting hole on two half hoop bodies is corresponding and the adaptation, and during connection state, inflation screw passes the connecting hole in proper order and fixes two half hoop bodies.

4. A pipe pile splicing device according to claim 2 or 3, wherein: one side of the hoop is provided with a plurality of first fixing holes which are symmetrically formed, or two sides of the hoop are provided with a plurality of first fixing holes which are symmetrically formed.

5. A pile splicing apparatus according to claim 4, wherein: the length of staple bolt is 0.25D-1.5D, and staple bolt intermediate part thickness range is 0.05D-0.25D, staple bolt both ends thickness range is 0.01D-0.05D, D is the external diameter of tubular pile.

6. A pile splicing apparatus according to claim 5, wherein: the aperture range of the connecting hole and the first fixing hole is 0.001D-0.1D, and D is the outer diameter of the tubular pile.