CN219825251U - Tubular pile hammering construction auxiliary device - Google Patents

Abstract

The utility model provides a tubular pile hammering construction auxiliary device, the inside inner chamber that is equipped with of tubular pile, the bottom of tubular pile be equipped with the pile point, the inside intracavity of tubular pile is equipped with the pile follower, pile follower terminal surface and pile point butt, the other end protrusion of pile follower in the tubular pile top outside, the tip outside on pile follower protrusion tubular pile top links to each other with the apron, the apron establish the top at the tubular pile, the diameter of apron is greater than or equal to the tubular pile external diameter, the lower surface contact of apron with the top surface butt of tubular pile, can improve the penetrability of tubular pile through the tubular pile structure that sets up specially to promote the efficiency of construction, reduce the possibility that the pile head concentrated atress damaged, reduce the expense that the benefit stake produced.

Description

Tubular pile hammering construction auxiliary device

Technical Field

The utility model belongs to the technical field of tubular pile structure, concretely relates to tubular pile hammering construction auxiliary device.

Background

The pile is used as foundation material of building, and driven into the ground by pile driver under specific geological environment, and its main application is two, one is to transfer the weight of above building to soil layer with high bearing capacity of lower layer by pile, and another is to squeeze soft soil layer tightly so as to raise bearing capacity of foundation.

When encountering the stratum that is difficult to pierce through in the work progress, unable use static pressure construction, need use hammering equipment to carry out the construction, in the hammering in-process, the phenomenon that the pile head is damaged because of the too high, the too big head that leads to of hammering number, impact energy appears at the pile top, leads to this pile position unable normal use, and need design benefit stake again, increase material and construction cost.

Disclosure of Invention

In order to solve the above-mentioned problem, this paper proposes a tubular pile hammering construction auxiliary device, the inside inner chamber that is equipped with of tubular pile, the bottom of tubular pile be equipped with the stake point, the intracavity inside the tubular pile is equipped with the pile follower, pile follower one end and stake point butt, the other end protrusion of pile follower in the tubular pile top outside, the tip outside on pile follower protrusion tubular pile top links to each other with the apron, the apron establish the top at the tubular pile, the diameter of apron is greater than or equal to the tubular pile external diameter, the lower surface contact of apron with the top surface butt of tubular pile, can improve the penetrability of tubular pile through the tubular pile structure of special setting to promote efficiency of construction, reduce the concentrated atress damage possibility of pile head, reduce the expense that the benefit stake produced.

The center of tubular pile runs through from top to bottom and is equipped with the inner chamber, and the bottom terminal surface and the stake point of tubular pile link to each other, and the top terminal surface and the apron of tubular pile link to each other, the inside nested pile follower that is equipped with of inner chamber, the one end that pile follower protrusion tubular pile top surface is equipped with the screw thread, the apron with pile follower passes through threaded connection.

The pile tip is conical, the pile tip is vertically downwards arranged at the bottom of the pipe pile, the round end face of the pile tip is connected with the end face of the bottom of the pipe pile, the conical tip of the pile tip is aligned with the axis of the pipe pile, and the penetrating capacity of the pipe pile can be effectively improved by arranging the pile tip at the bottom of the pipe pile, so that the pile tip is convenient to drive into the soil.

The cross-sectional shape of pile follower is the same with the shape of tubular pile inner chamber, the cross-sectional size of pile follower is less than the cross-sectional size of tubular pile inner chamber, the both ends of pile follower all are equipped with the screw thread, the one end of pile follower protrusion tubular pile top surface passes through the screw thread and links to each other with the apron, another terminal surface of pile follower and the up end butt of the stake point of tubular pile bottom, carry out effectual application of force to the stake point through the pile follower of nested inside tubular pile, thereby let the bottom of tubular pile can effectually atress, thereby can not only carry out the atress at the tubular pile tip, and the connecting screw thread at top still can connect the apron, make the top and the bottom of tubular pile can accomplish the atress simultaneously.

The cover plate is a circular cover, a blind hole is formed in the center of the bottom of the cover plate, threads are formed in the surface of the circular arc wall of the blind hole, the end face of the cover plate outside the blind hole is abutted to the top end face of the pipe pile, when the top end of the cover plate is stressed through the cover plate, the force is applied to the top of the pipe pile, and the force can be applied to the bottom of the pipe pile through the pile feeder.

The apron lower terminal surface is equipped with buffer material, and the apron lower extreme is equipped with the recess, the recess be equipped with buffer material, buffer material is the rubber circle, slows down the damage to the tubular pile top surface in the hammering process through buffer material.

The beneficial effects are that:

the penetrating power of the tubular pile can be improved through the tubular pile structure specially arranged, so that the construction efficiency is improved, the possibility of concentrated stress damage of the pile head is reduced, and the cost for pile repairing is reduced.

Through setting up the stake point in the tubular pile bottom can effectually improve the penetrability of tubular pile, conveniently beat in the soil.

The pile tip is effectively forced through the pile driver nested inside the pipe pile, so that the bottom of the pipe pile can be effectively stressed, the stress can not be carried out only on the end part of the pipe pile, and the connecting threads at the top can be connected with the cover plate, so that the top and the bottom of the pipe pile can be stressed simultaneously.

When the cover plate is stressed from the top end of the cover plate, the force is applied to the top of the tubular pile, and the force is also applied to the bottom of the tubular pile through the pile driver.

Drawings

Fig. 1 is a schematic view of an internal structure of a pipe pile hammering construction auxiliary device;

in the figure; 1. the pile comprises a pipe pile, 2 pile tips, 3 pile feeders, 4 and a cover plate.

Detailed Description

In order to enhance the understanding of the present utility model, the present utility model will be further described in detail with reference to the following examples and drawings, which are provided for the purpose of illustrating the present utility model only and are not to be construed as limiting the scope of the present utility model.

Pile 1, pile tip 2, pile driver 3, apron 4.

As shown in fig. 1;

the utility model provides a tubular pile hammering construction auxiliary device, tubular pile 1 inside is equipped with the inner chamber, tubular pile 1's bottom be equipped with pile tip 2, tubular pile 1 inside's intracavity is equipped with pile follower 3, pile follower 3 a terminal surface and pile tip 2 butt, pile follower 3's the other end protrusion in tubular pile 1 top outside, pile follower 3 protrusion tubular pile 1's the tip outside links to each other with apron 4, apron 4 establish on tubular pile 1's top, apron 4's diameter is greater than or equal to tubular pile 1 external diameter, apron 4's lower surface contact with tubular pile 1's top surface butt, tubular pile 1's center run through from top to bottom is equipped with the inner chamber, tubular pile 1's bottom terminal surface links to each other with pile tip 2, tubular pile 1's top terminal surface links to each other with apron 4, the inside nested pile follower 3 that is equipped with of inner chamber, pile tip 2 shape is the taper, pile tip 2 vertical decurrent setting in tubular pile 1's bottom, the round end face of the pile tip 2 is connected with the bottom end face of the pipe pile 1, the conical tip of the pile tip 2 is aligned with the axis of the pipe pile 1, one end of the pile driver 3 protruding out of the top face of the pipe pile 1 is provided with a screw thread, the cover plate 4 is connected with the pile driver 3 through screw threads, the section shape of the pile driver 3 is the same as the shape of the inner cavity of the pipe pile 1, the section size of the pile driver 3 is smaller than the section size of the inner cavity of the pipe pile 1, both ends of the pile driver 3 are provided with screw threads, one end of the pile driver 3 protruding out of the top face of the pipe pile 1 is connected with the cover plate 4 through screw threads, the other end face of the pile driver 3 is abutted with the upper end face of the pile tip 2 at the bottom of the pipe pile 1, the cover plate 4 is in the shape of a round cover plate 4, the center of the bottom of the cover plate 4 is provided with a blind hole, the circular arc wall surface of the blind hole is provided with screw threads, the end face of the cover plate 4 at the outer side of the blind hole is abutted with the top end face of the pipe pile 1, the lower end of the cover plate 4 is provided with a groove, the groove is filled with a buffer material, the buffer material is an elastic gasket.

Implementation examples;

before the construction of the pipe pile 1, welding a special solid steel pile tip 2 at the pile bottom, placing a special pile driver 3 in the inner cavity of the pipe pile 1 when hammering construction is carried out to a stratum which is difficult to pass through, and placing a cover plate 4 with the outer diameter identical to the outer diameter of the pipe pile 1 at the top of the pile driver 3 to enable the cover plate 4 to be in contact with the pile top, wherein the top of the pipe pile 1 and the bottom of the pipe pile 1 are stressed simultaneously when construction is continued.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims (8)

1. The utility model provides a tubular pile hammering construction auxiliary device, the inside inner chamber that is equipped with of tubular pile, its characterized in that, the bottom of tubular pile be equipped with the stake point, the inside intracavity of tubular pile is equipped with the pile follower, a pile follower terminal surface and stake point butt, the other end protrusion of pile follower in the tubular pile top outside, the tip outside on pile follower protrusion tubular pile top links to each other with the apron, the apron establish the top at the tubular pile, the diameter of apron is greater than or equal to the tubular pile external diameter, the lower surface of apron and the top surface butt of tubular pile.

2. The pile hammering construction assisting device according to claim 1, wherein one end of the pile driver protruding out of the top surface of the pile is provided with threads, and the cover plate is connected with the pile driver through threads.

3. The pile hammering construction assisting device according to claim 1, wherein the pile tip is in a conical shape, the pile tip is vertically and downwardly arranged at the bottom of the pile, the upper end face of the pile tip is connected with the bottom end face of the pile, and the conical tip of the pile tip is aligned with the axis of the pile.

4. A pile hammering construction auxiliary device according to claim 3, wherein both ends of the pile driver are provided with threads, one end of the pile driver protruding out of the top surface of the pile is connected with the cover plate through threads, and the other end surface of the pile driver is abutted with the upper end surface of the pile tip at the bottom of the pile.

5. The pipe pile hammering construction auxiliary device according to claim 1, wherein the cover plate is in a circular cover shape, a blind hole is formed in the center of the bottom of the cover plate, threads are formed on the surface of the circular arc wall of the blind hole, and the end face of the cover plate outside the blind hole is abutted to the top end face of the pipe pile.

6. The auxiliary device for hammering construction of tubular pile according to claim 1, wherein the lower end face of the cover plate is provided with a buffer material.

7. The auxiliary device for hammering construction of tubular pile according to claim 6, wherein the lower end of said cover plate is provided with a groove, and said groove is provided with a buffer material.

8. The pile hammering construction assisting device according to claim 6, wherein said buffer material is a rubber ring.