CN112252311A

CN112252311A - Small-size precast pile stake soil composite foundation weak soil slope protection stake

Info

Publication number: CN112252311A
Application number: CN202011086267.9A
Authority: CN
Inventors: 王昊; 崔东升
Original assignee: Shandong Dinglu Construction Co ltd
Current assignee: Shandong Dinglu Construction Co ltd
Priority date: 2020-10-12
Filing date: 2020-10-12
Publication date: 2021-01-22

Abstract

The invention discloses a small-sized precast pile-soil composite foundation soft soil slope protection pile which comprises a precast pile, an installation mechanism, a connecting rod, a groove, a threaded sleeve, a fastening mechanism, a push block, a bump and a slide rod. The invention has the beneficial effects that: offer through the recess, the convenience is taken the precast pile and is put, after inserting the earth's surface with the precast pile, carry out threaded connection with connecting rod and thread bush, then strike the connecting rod through equipment, make connecting rod drive precast pile get into inside the ground, prevent effectively that directly from knocking the precast pile and damaging, get into inside the ground back completely when the precast pile, rotate the connecting rod, make connecting rod and slide bar inside threaded connection, the connecting rod is in sliding connection with the thread bush, then strike the connecting rod, make the connecting rod drive the lug and remove the ejector pad, thereby make the ejector pad contradict to the earth in the precast pile outside and alternate the fastening, be difficult not hard up, the slide bar resets under compression spring's effect after the complete fixation, rotate at last and take out the connecting rod.

Description

Small-size precast pile stake soil composite foundation weak soil slope protection stake

Technical Field

The invention relates to a soft soil slope protection pile of a pile-soil composite foundation, in particular to a soft soil slope protection pile of a small precast pile-soil composite foundation, belonging to the technical field of slope protection piles.

Background

The slope protection pile is the pile preventing the side slope from collapsing and is driven along the side of the foundation pit, the measure adopted under the condition that the effective width working face of the side slope is not enough is usually adopted, the original engineering foundation displacement that the slope protection pile can prevent closing on is provided, the sinking is realized, the slope protection pile foundation pit is provided, the slope ratio can be maximized, when the slope protection pile is installed, the prefabricated pile which is well manufactured needs to be alternated with the inside of the ground, and therefore the fastening and the protection effects on the ground are achieved.

Traditional precast pile is when fixed with ground, hammers the precast pile through equipment into weight to make the precast pile insert ground inside, direct like this and the precast pile striking causes the precast pile top damaged easily, influences enclosure effect, and the precast pile structure is single simultaneously, and is not hard up along with the change of geology easily, and firm degree is not good enough.

Disclosure of Invention

The invention aims to solve the problems and provide a small precast pile and soil composite foundation soft soil slope protection pile, which can conveniently impact the precast pile and simultaneously ensure that the precast pile has stronger ground holding force in the ground and is not easy to shake.

The invention realizes the aim through the following technical scheme that the small precast pile and pile soil composite foundation soft soil slope protection pile comprises a precast pile and an installation mechanism arranged at the top of the precast pile, wherein the installation mechanism comprises a connecting rod groove and a threaded sleeve, the side wall of the top of the precast pile is provided with the grooves distributed annularly, the threaded sleeve is arranged on the inner side of the top of the precast pile, the bottom of the connecting rod is in sliding connection with the inner side of the precast pile, and the bottom of the connecting rod is in threaded connection with the inner part of the threaded sleeve; a plurality of fastening mechanisms which are distributed in an annular equidistant manner are arranged inside the precast pile, each fastening mechanism comprises a push block, a convex block and a slide rod, the slide rod is connected with the inside of the precast pile in a sliding manner, the side wall of the slide rod is provided with the plurality of convex blocks which are distributed in the annular equidistant manner, and the convex blocks are connected with the inside of the precast pile in a sliding manner through the slide rod; a plurality of annular push blocks which are distributed at equal intervals are arranged in the side wall of the precast pile, and one end of each push block extends to the outer side of the side wall of the precast pile; the other ends of the push blocks are of arc structures, the other ends of the push blocks are respectively abutted against the bottom sides of the side walls of the convex blocks, and the push blocks are connected with the inner parts of the side walls of the precast piles in a sliding mode; the interior of the slide bar is of a hollow structure, and the interior of the slide bar is communicated with the interior of the threaded sleeve.

Preferably, in order to play the effect of contradicting and protection, fastening device still includes the leather mat, the leather mat is loop configuration, just the leather mat install in the top of precast pile is inboard, it is a plurality of to slide bar top lateral wall installation the lug with the leather mat downside is contradicted.

Preferably, in order to facilitate the slide bar to be reset, the fastening mechanism further comprises a compression spring, the compression spring is mounted at the bottom of the slide bar, and the bottom of the compression spring is connected with the inner side of the bottom of the precast pile.

Preferably, in order to play conflict and spacing effect, fastening device still includes the block rubber, the block rubber is loop configuration, just the block rubber install in the bottom of precast pile is inboard, the top of block rubber with a plurality of the installation of the bottom lateral wall of slide bar the lug is contradicted.

Preferably, in order to play the effect of step-down and buffering, fastening device still includes the conflict spring, and is a plurality of the conflict spring install respectively in the bottom of block rubber, the block rubber passes through the conflict spring with the inside sliding connection of precast pile.

Preferably, for the convenience cement overflows, the lateral wall internally mounted of precast pile has a plurality of grouting mechanisms that are annular distribution, grouting mechanism includes the relief hole, the lateral wall of slide bar has been seted up a plurality ofly to be annular equidistance and has been distributed the relief hole.

Preferably, for make cement spill over the back and fuse the fastening to outside earth, slip casting mechanism still includes row silo, and is a plurality of row silo is annular equidistance distribute in the lateral wall of precast pile, just the slide bar is inside through a plurality of relief hole and a plurality of row silo with the lateral wall outside intercommunication of precast pile.

The invention has the beneficial effects that: the device is convenient for taking and placing the precast pile through the groove on the side wall at the top of the precast pile, when the precast pile is inserted into the ground surface, the connecting rod slides into the precast pile and is in threaded connection with the threaded sleeve, then the connecting rod is impacted through the device, so that the precast pile is driven by the connecting rod to enter the ground, the precast pile cannot be damaged when the device is knocked under the action of the connecting rod, when the precast pile completely enters the ground, the connecting rod is rotated again, so that the bottom of the connecting rod enters the inside of the sliding rod to be in threaded connection, at the moment, the connecting rod is in sliding connection with the inside of the threaded sleeve, then the connecting rod is impacted, so that the connecting rod drives the sliding rod to slide and move under the action of a compression spring, and the push block is moved through the convex block, so that the push block can be used for abutting, the sliding rod is not easy to loose, and the sliding rod resets under the action of the compression spring after being completely fixed, and finally the connecting rod is taken out by rotating.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is a schematic view of the connection structure between the mounting mechanism and the grouting mechanism shown in FIG. 1;

FIG. 4 is an enlarged view of the portion B shown in FIG. 3;

fig. 5 is an enlarged schematic view of the portion C shown in fig. 3.

In the figure: 1. precast pile, 2, installation mechanism, 21, connecting rod, 22, groove, 23, thread bush, 3, slip casting mechanism, 31, discharge chute, 32, discharge hole, 4, fastening mechanism, 41, ejector pad, 42, lug, 43, slide bar, 44, leather pad, 45, compression spring, 46, rubber block, 47 and abutting spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, a small-sized precast pile-soil composite foundation soft soil slope protection pile comprises a precast pile 1 and an installation mechanism 2 installed at the top of the precast pile 1, wherein the installation mechanism 2 comprises a connecting rod 21, a groove 22 and a threaded sleeve 23, the groove 22 is annularly distributed on the side wall of the top of the precast pile 1, the threaded sleeve 23 is installed on the inner side of the top of the precast pile 1, the bottom of the connecting rod 21 is slidably connected with the inner side of the precast pile 1, and the bottom of the connecting rod 21 is in threaded connection with the inner side of the threaded sleeve 23; a plurality of fastening mechanisms 4 which are annularly and equidistantly distributed are arranged inside the precast pile 1, each fastening mechanism 4 comprises a push block 41, a bump 42 and a slide bar 43, the slide bar 43 is slidably connected with the inside of the precast pile 1, the plurality of bumps 42 which are annularly and equidistantly distributed are arranged on the side wall of the slide bar 43, and the bumps 42 are slidably connected with the inside of the precast pile 1 through the slide bar 43; a plurality of annular push blocks 41 which are distributed at equal intervals are arranged in the side wall of the precast pile 1, and one end of each push block 41 extends to the outer side of the side wall of the precast pile 1; the other ends of the push blocks 41 are of arc structures, the other ends of the push blocks 41 respectively abut against the bottom sides of the side walls of the convex blocks 42, and the push blocks 41 are connected with the inner parts of the side walls of the precast pile 1 in a sliding manner; the inside of the sliding rod 43 is a hollow structure, and the inside of the sliding rod 43 is communicated with the inside of the threaded sleeve 23.

As a technical optimization scheme of the present invention, the fastening mechanism 4 further includes a leather pad 44, the leather pad 44 is of an annular structure, the leather pad 44 is installed on the inner side of the top of the precast pile 1, and the plurality of protrusions 42 installed on the top side wall of the sliding rod 43 abut against the bottom side of the leather pad 44.

As a technical optimization scheme of the present invention, the fastening mechanism 4 further includes a compression spring 45, the compression spring 45 is mounted at the bottom of the sliding rod 43, and the bottom of the compression spring 45 is connected with the inner side of the bottom of the precast pile 1.

As a technical optimization scheme of the present invention, the fastening mechanism 4 further includes a rubber block 46, the rubber block 46 is of an annular structure, the rubber block 46 is installed inside the bottom of the precast pile 1, and the top of the rubber block 46 is abutted against the plurality of protrusions 42 installed on the bottom side wall of the sliding rod 43.

As a technical optimization scheme of the present invention, the fastening mechanism 4 further includes an abutting spring 47, the abutting springs 47 are respectively installed at the bottom of the rubber block 46, and the rubber block 46 is slidably connected with the interior of the precast pile 1 through the abutting springs 47.

As a technical optimization scheme of the invention, a plurality of annularly distributed grouting mechanisms 3 are installed inside the side wall of the precast pile 1, each grouting mechanism 3 comprises a discharge hole 32, and a plurality of annularly and equidistantly distributed discharge holes 32 are formed in the side wall of each slide rod 43.

As a technical optimization scheme of the present invention, the grouting mechanism 3 further includes a plurality of discharge grooves 31, the plurality of discharge grooves 31 are annularly and equidistantly distributed on the side wall of the precast pile 1, and the interior of the slide bar 43 is communicated with the outer side of the side wall of the precast pile 1 through the plurality of discharge holes 32 and the plurality of discharge grooves 31.

When the prefabricated pile 1 is used, firstly, when the prefabricated pile 1 is installed, the prefabricated pile 1 is conveniently clamped and fixed through the groove 22 on the side wall of the top of the prefabricated pile 1, equipment is convenient to take and place the prefabricated pile 1, after the prefabricated pile 1 is inserted into the ground surface, the connecting rod 21 is slid into the prefabricated pile 1 and is in threaded connection with the threaded sleeve 23, the connecting rod 21 is connected with the top of the prefabricated pile 1, then the connecting rod 21 is impacted through the equipment, so that the connecting rod 21 drives the prefabricated pile 1 to enter the ground to enclose the ground, the prefabricated part cannot be damaged when the equipment is knocked under the action of the connecting rod 21, after the prefabricated pile 1 completely enters the ground, the connecting rod 21 is rotated again, so that the bottom of the connecting rod 21 enters the slide rod 43 to be in threaded connection, and at the moment, the connecting rod 21 and the interior of the threaded sleeve 23 are in a sliding connection state, then through striking the connecting rod 21, thereby making the connecting rod 21 drive the sliding rod 43 to slide and move downwards under the action of getting rid of the compression spring 45, the convex block 42 on the side wall of the sliding rod 43 can be abutted against the push block 41 on the side wall of the precast pile 1 to move, thereby making the push block 41 abutted against and penetrated through the soil outside the precast pile 1, making the precast pile 1 fastened with the ground more and not easy to loosen, and simultaneously playing the role of abutting against the convex block 42 under the action of the rubber block 46 and the abutting spring 47 to prevent impact damage, after a plurality of push blocks 41 are pushed out, the sliding rod 43 is reset under the action of the compression spring 45 and abutted against and protected under the action of the leather pad 44, finally the connecting rod 21 is rotated, thereby making the connecting rod 21 pass through the threaded sleeve 23 to be separated from the top of the precast pile 1 to be taken out, when cement is grouted to the top of the precast pile 1, the cement enters the inside of, thereby the cement is fused and fastened with the soil outside the side wall of the precast pile 1, and the protective effect of the precast pile 1 is better.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a small-size precast pile stake soil composite foundation weak soil protects slope stake, include precast pile (1) and install in installation mechanism (2) at precast pile (1) top, its characterized in that: the installation mechanism (2) comprises a connecting rod (21), a groove (22) and a threaded sleeve (23), the groove (22) is annularly distributed on the side wall of the top of the precast pile (1), the threaded sleeve (23) is installed on the inner side of the top of the precast pile (1), the bottom of the connecting rod (21) is in sliding connection with the inner side of the precast pile (1), and the bottom of the connecting rod (21) is in threaded connection with the inner side of the threaded sleeve (23); a plurality of fastening mechanisms (4) which are distributed in an annular and equidistant mode are installed inside the precast pile (1), each fastening mechanism (4) comprises a push block (41), a convex block (42) and a sliding rod (43), each sliding rod (43) is connected with the inside of the precast pile (1) in a sliding mode, the convex blocks (42) which are distributed in an annular and equidistant mode are installed on the side wall of each sliding rod (43), and each convex block (42) is connected with the inside of the precast pile (1) in a sliding mode through the corresponding sliding rod (43); a plurality of annular push blocks (41) which are distributed at equal intervals are arranged in the side wall of the precast pile (1), and one end of each push block (41) extends to the outer side of the side wall of the precast pile (1); the other ends of the push blocks (41) are of arc-shaped structures, the other ends of the push blocks (41) are respectively abutted against the bottom sides of the side walls of the convex blocks (42), and the push blocks (41) are in sliding connection with the inner parts of the side walls of the precast pile (1); the interior of the sliding rod (43) is of a hollow structure, and the interior of the sliding rod (43) is communicated with the interior of the threaded sleeve (23).

2. The small-sized precast pile-soil composite foundation soft soil slope protection pile according to claim 1, which is characterized in that: the fastening mechanism (4) further comprises a leather pad (44), the leather pad (44) is of an annular structure, the leather pad (44) is installed on the inner side of the top of the precast pile (1), and the plurality of protruding blocks (42) installed on the side wall of the top of the sliding rod (43) are abutted against the bottom side of the leather pad (44).

3. The small-sized precast pile-soil composite foundation soft soil slope protection pile according to claim 1, which is characterized in that: the fastening mechanism (4) further comprises a compression spring (45), the compression spring (45) is installed at the bottom of the sliding rod (43), and the bottom of the compression spring (45) is connected with the inner side of the bottom of the precast pile (1).

4. The small-sized precast pile-soil composite foundation soft soil slope protection pile according to claim 1, which is characterized in that: fastening device (4) still include block rubber (46), block rubber (46) are loop configuration, just block rubber (46) install in the bottom of precast pile (1) is inboard, the top of block rubber (46) with a plurality of the installation of the bottom lateral wall of slide bar (43) lug (42) are contradicted.

5. The small-sized precast pile-soil composite foundation soft soil slope protection pile according to claim 4, characterized in that: fastening device (4) still include conflict spring (47), and is a plurality of conflict spring (47) install respectively in the bottom of block rubber (46), block rubber (46) pass through conflict spring (47) with precast pile (1) inside sliding connection.

6. The small-sized precast pile-soil composite foundation soft soil slope protection pile according to claim 1, which is characterized in that: the lateral wall internally mounted of precast pile (1) has a plurality of slip casting mechanisms (3) that are the annular and distribute, slip casting mechanism (3) include relief hole (32), a plurality of annular equidistance distributions that are have been seted up to the lateral wall of slide bar (43) relief hole (32).

7. The small-sized precast pile-soil composite foundation soft soil slope protection pile according to claim 6, characterized in that: slip casting mechanism (3) still include row silo (31), and is a plurality of row silo (31) are annular equidistance distribute in the lateral wall of precast pile (1), just slide bar (43) are inside through a plurality of relief hole (32) and a plurality of row silo (31) with the lateral wall outside intercommunication of precast pile (1).