Static pressure pile

Abstract

The utility model discloses a static pressure pile which comprises a pile body, a pile tip is arranged at the bottom end of the pile body, a lubricating mechanism is arranged on the pile tip, a connecting mechanism is arranged at the top of the pile body, the lubricating mechanism comprises a plurality of rotating shafts, each rotating shaft is fixedly connected with a lubricating wheel, a plurality of grooves are formed in the side surface of each lubricating wheel, and the lubricating wheels are arranged in the grooves. The end of the rotating shaft is fixedly connected with a driving bevel gear, one side of the driving bevel gear is provided with a driven bevel gear, and the top end of the driven bevel gear is fixedly connected with a connecting shaft. According to the static pressure pile, the lubricating wheel rotates under the action of friction force, the lubricating wheel takes out a lubricant in the pile body through the groove and lubricates the periphery of the pile tip, meanwhile, the lubricating wheel rotates to drive the movable block to reciprocate, the movable block moves to drive bristles to clean soil in the groove, and the situation that the lubricant enters the pile body to cause blockage is prevented; therefore, the lubricating effect can be effectively improved, and pile tip friction is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to engineering construction technical field, concretely is a static pressure pile. BACKGROUND

[0002] Static pressure pile is a method of engineering pile foundation construction, and the static pressure pile method construction is the sinking process that the precast pile is pressed into the earth through the pile pressing mechanism of static pressure pile machine and the counterforce provided by the self weight of pile press and the counterweight on the rack, in the prior art, the static pressure pile is opened at the pile tip, and a small amount of liquid is discharged from the hole to lubricate the surrounding of the pile tip to reduce the friction, but in the process of the static pressure pile descending, the mud around the pile is easy to block the hole, so that the liquid cannot seep out, thereby the lubrication effect is not ideal.

[0003] For example, patent publication number CN216428244U, specifically a static pressure pile, including pile body and pile head, two channels are arranged in the pile body, the pile head includes a seat body, a conical drill, a rotating shaft and a bearing, the seat body is connected at the bottom of the pile body, a cavity is arranged in the seat body and communicates with the two channels, the bearing is fixed on the seat body, and the rotating shaft is connected with the bearing, one end of the rotating shaft is located in the cavity and a fan blade is arranged on the surface, the other end is connected with the conical drill, a plurality of leakage holes are formed on the outer wall of the seat body and communicate with the cavity, the utility model can inject high-pressure liquid from one channel, drive the fan blade to move, drive the conical drill to rotate, and reduce the pile tip pressure during pile sinking, and a small amount of liquid seeps out through the leakage hole to wet the surface around the pile and play a lubricating role, but there is still the problem that the mud around the pile is easy to block the hole during the process of the static pressure pile descending, so that the liquid cannot seep out, thereby the lubrication effect is not ideal. UTILITY MODEL CONTENTS

[0004] In view of the deficiencies of the prior art, the utility model provides a static pressure pile, which solves the problem that the mud around the pile is easy to block the hole during the process of the static pressure pile descending, so that the liquid cannot seep out, thereby the lubrication effect is not ideal.

[0005] To achieve the above purpose, the utility model realizes the following technical scheme: a static pressure pile, including a pile body, a pile tip is arranged at the bottom end of the pile body, a lubricating mechanism is arranged on the pile tip, and a connecting mechanism is arranged at the top of the pile body.

[0006] The lubricating mechanism comprises a plurality of rotating shafts, each of which is fixedly connected with a lubricating wheel, a plurality of grooves are formed in the side surface of the lubricating wheel, the end of the rotating shaft is fixedly connected with a driving bevel gear, the driving bevel gear is provided with a driven bevel gear on one side, the top end of the driven bevel gear is fixedly connected with a connecting shaft, the outer side of the connecting shaft is rotatably connected with a fixing seat, the top end of the connecting shaft is fixedly connected with an oval wheel, the top of the lubricating wheel is provided with a guide seat, the inner walls on the two sides of the guide seat are fixedly connected with guide blocks, the guide seat is internally provided with a movable block, the bottom surface of the movable block is fixedly connected with bristles, and guide sliding grooves are formed in the two side surfaces of the movable block.

[0007] Preferably, the pile body is internally provided with a flow channel, the flow channel is communicated with the pile tip at the bottom end, and the plurality of lubricating wheels are arranged around the flow channel, so that the lubricating agent can be contacted with the plurality of lubricating wheels, and the lubricating agent can be taken out by the lubricating wheels.

[0008] Preferably, the plurality of lubricating wheels are uniformly arranged on the side surface of the pile tip, and the plurality of lubricating wheels are rotatably connected with the inner wall of the pile tip through the rotating shafts, so that the lubricating wheels can rotate to take out the lubricating agent.

[0009] Preferably, the driving bevel gear is engaged with the driven bevel gear, and the rotating shaft is in driving connection with the connecting shaft through the driving bevel gear and the driven bevel gear, so that the rotating shaft can drive the connecting shaft to rotate.

[0010] Preferably, the top end of the connecting shaft extends into the guide seat, and the surface of the oval wheel is in contact with one end of the movable block, so that the oval wheel can push the movable block to move.

[0011] Preferably, the guide sliding grooves and the guide blocks are matched, and the movable block is in sliding connection with the guide seat through the guide sliding grooves and the guide blocks, so that the movement of the movable block can be guided.

[0012] Preferably, the connecting mechanism comprises a connecting main pipe, the bottom end of the connecting main pipe is fixedly connected with a threaded block, a threaded hole is formed in the top end of the pile body, the top end of the connecting main pipe is fixedly connected with a lubricating connector and a grouting connector, and a connecting screw hole is formed in each of the lubricating connector and the grouting connector, so that the grouting and the injection of the lubricating agent can be facilitated.

[0013] The utility model provides a kind of static pressure pile.Compared with prior art, it has the following beneficial effects:

[0014] 1. The static pressure pile rotates by the friction force acting on the lubricating wheel, the lubricating wheel uses the groove to take out the lubricant inside the pile body, lubricates around the pile tip, at the same time, the lubricating wheel drives the movable block to reciprocate, the movable block drives the bristles to clean the soil inside the groove, prevents the soil from entering the pile body and causing blockage, thereby effectively improving the lubricating effect and reducing the friction of the pile tip.

[0015] 2. The static pressure pile, by screwing the threaded block on the connecting main pipe into the threaded hole of the pile body, connecting the pipe head of the high-pressure pump and the grouting machine with the lubricating connector and the grouting connector, can facilitate grouting and lubricant injection. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the lubricating mechanism structure of the utility model;

[0018] Figure 3 It is a schematic diagram of the connection structure between the guide seat and the movable block of the utility model;

[0019] Figure 4 It is a schematic diagram of the connection mechanism structure of the utility model.

[0020] In the drawing: 1, pile body; 2, lubricating mechanism; 201, rotating shaft; 202, lubricating wheel; 203, groove; 204, driving bevel gear; 205, driven bevel gear; 206, connecting shaft; 207, fixed seat; 208, oval wheel; 209, guide seat; 210, guide block; 211, movable block; 212, bristles; 213, guide chute; 214, return spring; 3, pile tip; 4, connection mechanism; 401, connecting main pipe; 402, threaded block; 403, lubricating connector; 404, grouting connector; 405, connecting screw hole. DETAILED DESCRIPTION

[0021] 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 fall within the scope of protection of the utility model.

[0022] Please refer to Figures 1-3The utility model provides a kind of technical scheme: a static pressure pile, including pile body 1, the bottom end of pile body 1 is equipped with pile tip 3, lubricating mechanism 2 is equipped on pile tip 3, lubricant is pumped into lubricating mechanism 2 place by collocating high-pressure pump, lubricant is sent to pile by using lubricating mechanism 2, play lubricating effect, the top of pile body 1 is equipped with connecting mechanism 4, lubricant can be sent to pile by lubricating mechanism 2 and lubricated, and it can prevent blockage, to effectively improve lubricating effect, reduce the friction of pile tip 3.

[0023] Lubricating mechanism 2 includes multiple rotating shafts 201, each rotating shaft 201 is fixedly connected with lubricating wheel 202, the inside of pile body 1 is equipped with flow channel, the bottom end of flow channel is connected with pile tip 3, and multiple lubricating wheels 202 are arranged around flow channel, so that lubricant can contact multiple lubricating wheels 202, so that lubricating wheel 202 can carry out lubricant, multiple lubricating wheels 202 are evenly arranged on the side surface of pile tip 3, and multiple lubricating wheels 202 are rotatably connected with the inner wall of pile tip 3 by rotating shaft 201, so that lubricating wheel 202 can rotate and carry out lubricant, the side surface of lubricating wheel 202 is provided with multiple grooves 203, the surface area of lubricating wheel 202 can be increased by groove 203, so that it can be contacted with soil during the process of the descent of pile body 1, and rotate by friction force, and the lubricant in the inside of pile body 1 can be carried out by groove 203, to prevent blockage, the end of rotating shaft 201 is fixedly connected with driving bevel gear 204, one side of driving bevel gear 204 is equipped with driven bevel gear 205, the top end of driven bevel gear 205 is fixedly connected with connecting shaft 206, driving bevel gear 204 is engaged with driven bevel gear 205, and rotating shaft 201 is drivingly connected with connecting shaft 206 by driving bevel gear 204 and driven bevel gear 205, so that rotating shaft 201 can drive connecting shaft 206 to rotate, the outer side of connecting shaft 206 is rotatably connected with fixed seat 207, the top end of connecting shaft 206 is fixedly connected with oval wheel 208, the top of lubricating wheel 202 is equipped with guide seat 209, the inner wall on both sides of guide seat 209 is fixedly connected with guide block 210, the inside of guide seat 209 is equipped with movable block 211, the top end of connecting shaft 206 extends into the inside of guide seat 209, the surface of oval wheel 208 is in contact with one end of movable block 211, so that oval wheel 208 can push movable block 211 to move, the bottom surface of movable block 211 is fixedly connected with brush 212, the surface on both sides of movable block 211 is provided with guide sliding groove 213, guide sliding groove 213 is matched with guide block 210, movable block 211 is slidingly connected with guide seat 209 by guide sliding groove 213 and guide block 210, so that it can guide the movement of movable block 211, reset spring 214 is arranged in guide sliding groove 213, and reset spring 214 is arranged between the inner wall of guide sliding groove 213 and guide block 210, so that movable block 211 can be reset.

[0024] Please refer to Figure 1 AndFigure 4 The connecting mechanism 4 comprises a connecting pipe 401, a threaded block 402 is fixedly connected to the bottom end of the connecting pipe 401, a threaded hole is formed in the top end of the pile body 1, a lubricating connector 403 and a grouting connector 404 are fixedly connected to the top end of the connecting pipe 401, threaded holes 405 are formed in the lubricating connector 403 and the grouting connector 404, the threaded block 402 on the connecting pipe 401 is screwed into the threaded hole of the pile body 1, and then the pipe heads of the high-pressure pump and the grouting machine are connected to the lubricating connector 403 and the grouting connector 404, so that grouting and injection of lubricant can be conveniently performed.

[0025] In work, the high-pressure pump sends the lubricant into the pile body 1, and the lubricating wheel 202 rotates under the action of friction during the descent of the pile body 1, the lubricating wheel 202 brings out the lubricant in the pile body 1 by the groove 203 to lubricate the surrounding of the pile tip 3, at the same time, the rotation of the lubricating wheel 202 drives the rotation of the rotating shaft 201, the rotation of the rotating shaft 201 drives the rotation of the driving bevel gear 204, the rotation of the driving bevel gear 204 drives the rotation of the driven bevel gear 205, the rotation of the driven bevel gear 205 drives the rotation of the connecting shaft 206, the rotation of the connecting shaft 206 drives the rotation of the elliptical wheel 208, in the rotation process of the elliptical wheel 208, the long-axis end of the elliptical wheel 208 pushes the movable block 211 to move, the short-axis end of the elliptical wheel 208 is separated from the movable block 211, the reset spring 214 makes the movable block 211 always adhere to the elliptical wheel 208, and the long-axis end and the short-axis end are continuously alternately circulated, so as to drive the reciprocating movement of the movable block 211, the movement of the movable block 211 drives the bristles 212 to clean the soil in the groove 203, so as to prevent the soil from entering the pile body 1 to cause blockage, thereby effectively improving the lubricating effect and reducing the friction of the pile tip 3.

[0026] Meanwhile, the contents not described in detail in the specification all belong to the prior art known by those skilled in the art.

Claims

1. A static pressure pile, comprising a pile body (1), characterized in that: The pile body (1) has a pile tip (3) at the bottom end, a lubrication mechanism (2) on the pile tip (3), and a connection mechanism (4) at the top of the pile body (1). The lubrication mechanism (2) includes multiple rotating shafts (201), each of which is fixedly connected to a lubrication wheel (202). The side surface of the lubrication wheel (202) is provided with multiple grooves (203). A driving bevel gear (204) is fixedly connected to the end of the rotating shaft (201). A driven bevel gear (205) is provided on one side of the driving bevel gear (204). A connecting shaft (206) is fixedly connected to the top of the driven bevel gear (205). A fixed seat (207) is rotatably connected to the outside of the connecting shaft (206). An elliptical wheel (208) is fixedly connected to the top of the connecting shaft (206). A guide seat (209) is provided on the top of the lubrication wheel (202). Guide blocks (210) are fixedly connected to the inner walls on both sides of the guide seat (209). A movable block (211) is provided inside the guide seat (209). Brush bristles (212) are fixedly connected to the bottom surface of the movable block (211). Guide grooves (213) are provided on both sides of the movable block (211). A return spring (214) is provided inside the guide groove (213).

2. A static pressure pile according to claim 1, characterized in that: The pile body (1) has a flow channel inside, the bottom end of the flow channel is connected to the pile tip (3), and multiple lubrication wheels (202) are arranged around the flow channel.

3. A static pressure pile according to claim 1, characterized in that: Multiple lubrication wheels (202) are evenly arranged on the side surface of the pile tip (3), and multiple lubrication wheels (202) are rotatably connected to the inner wall of the pile tip (3) through a rotating shaft (201).

4. A static pressure pile according to claim 1, characterized in that: The driving bevel gear (204) meshes with the driven bevel gear (205), and the rotating shaft (201) is connected to the connecting shaft (206) through the driving bevel gear (204) and the driven bevel gear (205).

5. A static pressure pile according to claim 1, characterized in that: The top end of the connecting shaft (206) extends into the guide seat (209), and the surface of the elliptical wheel (208) contacts one end of the movable block (211).

6. A static pressure pile according to claim 1, characterized in that: The guide groove (213) and the guide block (210) are matched, and the movable block (211) is slidably connected to the guide seat (209) through the guide groove (213) and the guide block (210).

7. A static pressure pile according to claim 1, characterized in that: The connecting mechanism (4) includes a connecting main pipe (401), a threaded block (402) is fixedly connected to the bottom end of the connecting main pipe (401), and a threaded hole is opened at the top end of the pile body (1).

8. A static pressure pile according to claim 7, characterized in that: The top end of the connecting main pipe (401) is fixedly connected to a lubrication joint (403) and a grouting joint (404), and both the lubrication joint (403) and the grouting joint (404) are provided with connecting screw holes (405).

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