CN213296441U

CN213296441U - Pile feeding device for uplift pile

Info

Publication number: CN213296441U
Application number: CN202022146200.1U
Authority: CN
Inventors: 黄爱国; 承明秋; 朱骅; 舒菲菲
Original assignee: Wuxi Building Design Inst Co L
Current assignee: Wuxi Building Design Inst Co L
Priority date: 2020-09-25
Filing date: 2020-09-25
Publication date: 2021-05-28
Anticipated expiration: 2030-09-25

Abstract

The utility model belongs to the technical field of anti superficial in the underground and specifically relates to a pile follower device for uplift pile is related to, including pile follower pile body, coupling assembling, pile follower head can dismantle through coupling assembling and connect in pile follower pile body, the bottom of pile follower pile body is the cavity form, pile follower head is including sending the pile sheet, sending the stake pipe, send pile sheet fixed connection in the one side of sending the stake pipe towards the precast pile, it has the hole of stepping down that supplies the anchor reinforcing bar to pass to open on the pile sheet to send. This application has protection anchor reinforcing bar, reduces anchor reinforcing bar and receives external force and produce crooked probably at the in-process of sending a pile, improves the effect of efficiency of construction.

Description

Pile feeding device for uplift pile

Technical Field

The application relates to the field of underground anti-floating, in particular to a pile feeding device for uplift piles.

Background

At present, a great amount of underground garages are built in China, and because the requirements of water resistance and buoyancy cannot be met by self weight and earthing, anti-floating measures need to be taken when the underground garages are built.

The foundation rock buries deeply in the east coastal region of China, a prefabricated uplift concrete pile is generally adopted as an uplift measure, and in addition, the prefabricated uplift concrete pile requires that the longitudinal steel bar of the pile body is reliably anchored with a bearing platform, so that water can transfer buoyancy to the foundation soil through the pile body, and the basement is ensured not to float.

The design has a precast pile on the market, referring to fig. 1, pre-buried anchor reinforcing bar 5 in the precast pile, and the upper end of anchor reinforcing bar 5 exposes outside the precast pile, and the top surface of precast pile is pre-buried to have the end plate, and anchor reinforcing bar 5 passes the end plate.

In order to ensure the floating resistance of the building, the precast pile needs to be sent into the foundation of the building when the precast pile is installed. In the pile feeding process, the anchoring reinforcing steel bars are easy to bend due to external force, after the pile feeding is completed, workers need to straighten the anchoring reinforcing steel bars so as to reach the standard of connecting the bearing platform, and a certain time is wasted in the anchoring reinforcing steel bar straightening process, so that the construction efficiency is influenced.

SUMMERY OF THE UTILITY MODEL

In order to protect the anchoring steel bars, reduce the anchoring steel bars and receive external force and produce crooked probably at the in-process of pile sending, improve the efficiency of construction, this application provides a pile sending device for uplift pile.

The application provides a technical scheme that is used for pile follower of uplift pile:

the utility model provides a pile follower device for uplift pile, includes pile follower pile body, coupling assembling, pile follower head passes through coupling assembling can dismantle to be connected in pile follower pile body, the bottom of pile follower pile body is the cavity form, pile follower head is including sending a board, pile follower pipe, send a board fixed connection in the one side of sending a pipe towards the precast pile, it has the hole of stepping down that supplies the anchor reinforcing bar to pass to open on the board to send.

By adopting the technical scheme, the pile feeding plate is attached to the end plate during pile feeding, the anchoring steel bar penetrates through the pile feeding plate through the abdicating hole, then the pile body of the pile feeder moves downwards, the linkage pile feeder head moves downwards, and in the process of moving downwards, the pile body is pressed into the ground, so that pile feeding is realized. Above-mentioned technical scheme through the setting in hole of stepping down for the anchor reinforcing bar can be located the pile feeding pipe all the time at the pile feeding in-process, has realized the protection to the anchor reinforcing bar, has reduced the anchor reinforcing bar and has received external force and produce crooked possibility, has improved the efficiency of construction when connecting the bearing platform.

Preferably, the side wall of the pile driving pipe is fixedly connected with a plurality of reinforcing ribs, and the bottoms of the reinforcing ribs are fixedly connected with the pile driving plate.

Through adopting above-mentioned technical scheme, the stiffening rib has the effect of strengthening, has improved the stability and the resistance to torsion of send the stake pipe end portion.

Preferably, the connecting assembly comprises first locking rods, the top of the pile feeding pipe is slidably inserted into the pile body of the pile feeder, the first locking rods are arranged side by side, and a plurality of first locking rods simultaneously penetrate through the pile body of the pile feeder and the pile feeding pipe.

Through adopting above-mentioned technical scheme, first locking lever accomplishes the connection to pile follower pile body and pile feeding pipe, and in the installation, operating personnel inserts first locking lever and can realize installing fast.

Preferably, two ends of the first locking rod are respectively in threaded connection with a first locking nut, and the first locking nut is tightly pressed on the outer surface of the pile body of the pile feeder.

Through adopting above-mentioned technical scheme, first lock nut carries on spacingly to first lock rod, has reduced first lock rod because the vibrations possibility of deviating from in the pile follower pile body at the pile follower in-process, has improved the connection stability between pile follower pile body and the pile follower head.

Preferably, coupling assembling is equipped with two sets ofly, two sets of coupling assembling mutually perpendicular from top to bottom.

By adopting the technical scheme, the two groups of connecting components connect the pile body of the pile feeder and the pile feeder head from different directions, so that the connecting stability is improved, and the possibility of shaking of the pile feeding pipe in the pile feeder head is reduced.

Preferably, coupling assembling is including pressing from both sides tight piece, second check lock lever, the bottom fixedly connected with of pile follower pile body inner chamber is the mounting panel that the level set up, it has the groove of sliding that supplies to press from both sides tight piece to slide to open on the mounting panel, press from both sides tight piece and be equipped with two in the groove of sliding relatively, the top surface difference fixedly connected with stopper of two tight pieces, one side that two stoppers deviate from mutually is equipped with the fixed block of fixed connection on the mounting panel respectively, the spacing pressure spring of fixedly connected with between fixed block and the stopper, the top of sending the stake pipe is located between two tight pieces of clamp, the second check lock lever passes simultaneously and sends the stake pipe and press from both sides.

Through adopting above-mentioned technical scheme, operating personnel slides two stoppers along opposite direction, and at this moment, spacing pressure spring elastic deformation, then, operating personnel will send the stake head to place in the middle of two clamp splice. And the operator loosens the limiting block, the elastic potential energy of the limiting spring is released, and the elastic force pushes the two clamping blocks to slide oppositely until the two clamping blocks clamp the pile feeder head. The operator then inserts the second locking bar into the pile feeder shaft and the clamping block to effect a quick connection of the pile feeder head and the pile feeder shaft.

Preferably, two ends of the second locking rod are respectively in threaded connection with a second locking nut, and the second locking nuts are tightly pressed on the outer surface of the clamping block.

Through adopting above-mentioned technical scheme, second lock nut carries on spacingly to the second check lock pole, has improved the stability of being connected between tight piece of clamp and the pile sending pipe.

Preferably, a shock pad is connected between the mounting plate and the pile feeding pipe.

By adopting the technical scheme, the shock pad has good buffering performance, and can absorb shock generated between the pile feeder head and the pile body of the pile feeder, so that the connection stability between the pile feeder head and the pile body is improved.

To sum up, the application comprises the following beneficial technical effects: through the arrangement of the abdicating hole, the anchoring reinforcing steel bar can be always positioned in the pile feeding pipe in the pile feeding process, the protection of the anchoring reinforcing steel bar is realized, the possibility that the anchoring reinforcing steel bar is bent due to external force is reduced, and the construction efficiency when the bearing platform is connected is improved.

Drawings

Fig. 1 is a schematic structural view for embodying a precast pile.

Fig. 2 is a schematic structural diagram for embodying embodiment 1 of the present application.

Fig. 3 is a schematic structural view for embodying the pile driving plate.

Fig. 4 is a schematic structural diagram for embodying embodiment 2 of the present application.

Fig. 5 is a schematic structural diagram of a connecting assembly used for embodying embodiment 2 of the present application.

Fig. 6 is a schematic structural view of a cushion pad used in embodiment 2 of the present application.

Description of reference numerals: 1. a pile feeder head; 101. pile feeding plate; 1011. a hole of abdication; 102. pile conveying pipe; 1021. reinforcing ribs; 2. a connecting assembly; 201. a first locking lever; 202. a first lock nut; 203. a clamping block; 204. a second locking lever; 205. mounting a plate; 2051. a fixed block; 2052. a sliding groove; 206. a limiting block; 207. a limiting pressure spring; 208. a second lock nut; 3. a pile body of the pile feeder; 4. a shock pad; 5. anchoring the reinforcing steel bars; 6. and an end plate.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses a pile feeding device for uplift piles.

Example 1

Referring to fig. 2 and 3, the pile driver apparatus for uplift pile includes a pile driver head 1, a connecting assembly 2, and a pile driver shaft 3, the pile driver head 1 is detachably connected to the bottom of the pile driver shaft 3 through the connecting assembly 2, and the bottom of the pile driver shaft 3 is hollow. The pile sending head 1 comprises a pile sending plate 101 and a pile sending pipe 102, wherein the pile sending plate 101 is fixedly connected to the bottom of the pile sending pipe 102, and the pile sending plate 101 is provided with abdicating holes 1011 for the anchoring steel bars 5 to pass through. When the anchoring reinforcing steel bar 5 passes through the abdicating hole 1011, the pile sending plate 101 is matched with the abdicating hole 1011 to straighten the anchoring reinforcing steel bar 5, so that the straightness of the anchoring reinforcing steel bar 5 is ensured. The pile-feeding pipe 102 is a square pipe and is made of a steel material, the steel material has good hardness and is not easy to deform, the service life of the pile-feeding pipe 102 is prolonged, and the quality of pile feeding is improved.

Referring to fig. 2, in pile driving, the anchoring bar 5 enters the pile driving pipe 102 through the abdicating hole 1011, and the pile driving plate 101 is attached to the end plate 6 of the precast pile. The pile body 3 of the pile feeder moves downwards, and the linkage pile feeder head 1 moves downwards, so that the precast pile enters the ground to realize pile feeding. In the process that the pile body 3 and the pile driver head 1 of the pile driver move downwards, the anchoring steel bar 5 is always positioned in the pile driver tube 102, so that the anchoring steel bar 5 is protected, and the possibility that the anchoring steel bar 5 is bent due to external force is reduced.

Referring to fig. 2, reinforcing ribs 1021 are fixedly connected to four side walls of the pile driving pipe 102, two reinforcing ribs 1021 are arranged on each side wall, and the bottoms of the reinforcing ribs 1021 are fixedly connected to the pile driving plate 101. The arrangement of the reinforcing ribs 1021 facilitates the transfer of concentrated forces by the pile feeder head 1, improving the stability and torsion resistance of the pile feeder head 1.

Referring to fig. 2, the connecting assemblies 2 are arranged in two groups from top to bottom, and the two groups of connecting assemblies 2 are perpendicular to each other. The connecting assembly 2 comprises first locking rods 201, the top of the pile feeding pipe 102 is slidably inserted into the pile body 3 of the pile feeder, and the first locking rods 201 are arranged side by side. Two first locking rods 201 simultaneously penetrate through the pile feeder pile body 3 and the pile feeding pipe 102, two ends of each first locking rod 201 are respectively in threaded connection with a first locking nut 202, and the first locking nuts 202 are tightly pressed on the outer surface of the pile feeding pipe 102.

Referring to fig. 2, the first locking nut 202 limits the first locking rod 201, reducing the possibility that the first locking rod 201 is separated from the pile body 3 of the pile feeder due to vibration during the working process, improving the stability of the first locking rod 201, and simultaneously improving the stability of the connection of the pile body 3 of the pile feeder and the pile feeder head 1.

Referring to fig. 2, during installation, the pile driver head 1 is inserted into the pile driver shaft 3, the positions of the pile driver head 1 and the pile driver tube 102 are adjusted, then the first locking rod 201 is inserted into the pile driver shaft 3 and the pile driver head 1, and then the first locking nuts 202 are screwed at the two ends of the first locking rod 201 until the first locking nuts 202 are pressed against the outer side wall of the pile driver tube 102, so that the quick connection between the pile driver tube 102 and the pile driver shaft 3 can be realized.

The implementation principle of the embodiment 1 is as follows: during pile feeding, the anchoring steel bars 5 penetrate through the pile feeding plate 101 through the abdicating holes 1011, and the end plate 6 is attached to the pile feeding plate 101. Then, the pile body 3 of the pile feeder moves vertically downwards to link the pile feeder head 1, so that the precast pile enters a station, and the anchoring steel bar 5 is in the pile feeding pipe 102 in the pile feeding process.

Example 2:

referring to fig. 4, this embodiment differs from embodiment 1 in the way in which the pile feeder tube 102 is detachably connected to the pile feeder shaft 3.

Referring to fig. 5, the connecting assembly 2 includes a clamping block 203 and a second locking rod 204, the bottom of the inner cavity of the pile body 3 of the pile feeder is fixedly connected with a mounting plate 205, the mounting plate 205 is horizontally arranged, and a sliding groove 2052 for the clamping block 203 to slide is formed on the mounting plate 205. Two clamping blocks 203 are oppositely arranged in the sliding groove 2052, and the top of the pile sending tube 102 is positioned between the two clamping blocks 203. The top surfaces of the two clamping blocks 203 are fixedly connected with limit blocks 206 respectively, and the limit blocks 206 are placed on the mounting plate 205.

Referring to fig. 5, the two limit blocks 206 are respectively provided with a fixed block 2051 at the side away from each other, and the fixed blocks 2051 are fixedly connected to the mounting plate 205. Spacing pressure spring 207 of fixedly connected with between fixed block 2051 and the stopper 206, spacing pressure spring 207 provides direction and extrusion force for the stopper 206, has improved the smooth and easy nature when pressing from both sides tight piece 203 and sliding.

Referring to fig. 5, two second locking rods 204 are arranged side by side, the two second locking rods 204 simultaneously penetrate through the pile driving pipe 102 and the clamping block 203, two ends of each second locking rod 204 are respectively in threaded connection with a second locking nut 208, and the second locking nuts 208 are tightly pressed on the outer surface of the clamping block 203.

Referring to fig. 6, a shock absorbing pad 4 is provided between the mounting plate 205 and the pile feeding tube 102, and two shock absorbing pads 4 are provided side by side. The cushion 4 is glued to the underside of the mounting plate 205 and is compressed between the mounting plate 205 and the pile feed tube 102. Cushion 4 is a rubber material with good cushioning properties and is able to dampen the vibrations generated between mounting plate 205 and pile feeder tube 102, thereby improving the stability of the connection between pile feeder tube 102 and pile feeder shaft 3.

The implementation principle of the embodiment 2 is as follows: during installation, the two limit blocks 206 are slid in opposite directions, at which point the limit compression springs 207 are elastically deformed, and the operator then places the pile feeder head 1 between the two clamping blocks 203. And (3) releasing the clamping blocks 203, releasing the elastic potential energy of the limiting compression spring 207, and pushing the two clamping blocks 203 to slide towards each other by the elastic force until the two clamping blocks 203 clamp the pile feeder head 1. Then, the second locking rod 204 is inserted into the pile feeding tube 102 and the clamping block 203, and then the two ends of the second locking rod 204 are respectively connected with the second locking nut 208 by screw threads until the second locking nut 208 is pressed against the outer side wall of the pile feeding tube 102, so that the quick connection between the pile feeding tube 102 and the pile body 3 of the pile feeder can be realized.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A pile follower for uplift piles, characterized in that: including pile follower pile body (3), coupling assembling (2), pile follower head (1) can dismantle through coupling assembling (2) and connect in pile follower pile body (3), the bottom of pile follower pile body (3) is the cavity form, pile follower head (1) is including sending pile sheet (101), sending pile pipe (102), send pile sheet (101) fixed connection in sending pile pipe (102) one side towards the precast pile, it has abdicating hole (1011) that supplies anchor reinforcing bar (5) to pass to open on sending pile sheet (101).

2. Pile driving apparatus for uplift piles according to claim 1, wherein: the side wall of the pile feeding pipe (102) is fixedly connected with a plurality of reinforcing ribs (1021), and the bottoms of the reinforcing ribs (1021) are fixedly connected with the pile feeding plate (101).

3. Pile driving apparatus for uplift piles according to claim 1, wherein: coupling assembling (2) include first locking lever (201), the top of pile follower pipe (102) is slided and is inserted and establish in pile follower pile body (3), first locking lever (201) is equipped with many side by side, and many first locking levers (201) pass pile follower pile body (3) and pile follower pipe (102) simultaneously.

4. Pile driving apparatus for uplift piles according to claim 3, wherein: two ends of the first locking rod (201) are respectively in threaded connection with a first locking nut (202), and the first locking nut (202) is pressed on the outer surface of the pile body (3) of the pile feeder.

5. Pile driving apparatus for uplift piles according to claim 3, wherein: coupling assembling (2) are equipped with two sets ofly from top to bottom, two sets of coupling assembling (2) mutually perpendicular.

6. Pile driving apparatus for uplift piles according to claim 1, wherein: the connecting assembly (2) comprises a clamping block (203) and a second locking rod (204), the bottom of the inner cavity of the pile body (3) of the pile feeder is fixedly connected with a horizontally arranged mounting plate (205), the mounting plate (205) is provided with a sliding groove (2052) for the clamping block (203) to slide, two clamping blocks (203) are arranged in the sliding groove (2052) relatively, the top surfaces of the two clamping blocks (203) are respectively and fixedly connected with a limiting block (206), one sides of the two limiting blocks (206) which are deviated from each other are respectively provided with a fixing block (2051) fixedly connected with the mounting plate (205), a limiting pressure spring (207) is fixedly connected between the fixing block (2051) and the limiting block (206), the top of the pile driving pipe (102) is positioned between the two clamping blocks (203), and the second locking rod (204) simultaneously penetrates through the pile driving pipe (102) and the clamping blocks (203).

7. Pile driving apparatus for uplift piles according to claim 6, wherein: two ends of the second locking rod (204) are respectively in threaded connection with a second locking nut (208), and the second locking nut (208) is pressed on the outer surface of the clamping block (203).

8. Pile driving apparatus for uplift piles according to claim 6, wherein: and a shock pad (4) is connected between the mounting plate (205) and the pile feeding pipe (102).