CN218373801U

CN218373801U - Pile head connector for rapid construction of precast tubular pile

Info

Publication number: CN218373801U
Application number: CN202222822121.7U
Authority: CN
Inventors: 张程; 赵书杰; 韩潇; 王建锋; 邹厚存; 王辉
Original assignee: Jiangsu Yang Jian Group Co ltd
Current assignee: Jiangsu Yang Jian Group Co ltd
Priority date: 2022-10-25
Filing date: 2022-10-25
Publication date: 2023-01-24
Anticipated expiration: 2032-10-25

Abstract

The utility model discloses a pile head connector for precast tubular pile is under construction fast, this connector include border area downwardly extending banding pile head end cover (1), form in recess (2) on end cover (1) and be located handle (3) in recess (2), the inner wall of banding with the outer wall of recess (2) forms the ring channel of holding pile head lateral wall, the thickness of handle (3) is less than the degree of depth of recess (2), the both ends of handle (3) articulate on the inner wall of recess (2), so that handle (3) can be relative recess (2) rotate to at least being located completely under the state of putting flat in recess (2). The utility model discloses a connector can cover tubular pile head, at the pile feeding in-process to and when the pile feeding is finished and the pile feeder is withdrawn, can not separate with the pile head, the aversion condition can not appear yet, effectively protects the pile head complete, avoids earth to get into pile body hole, thereby reduces the pile head and maintains the clearance work load, accelerates precast tubular pile construction speed.

Description

Pile head connector for rapid construction of precast tubular pile

Technical Field

The utility model relates to a stress tube stake specifically, relates to a stake head connector for precast tubular pile is under construction fast.

Background

The tubular pile is a prefabricated engineering pile, is used as a foundation material of a building, is driven into the ground by a pile driver under a specific geological environment, plays a role in bearing force in building and construction, and has two main purposes: one is to transmit the weight of the upper building to the soil layer with high bearing capacity at the lower layer through the tubular pile, so as to improve the stability of the building; and the other is to compact the soft soil layer, thereby improving the bearing capacity of the foundation soil. The tubular pile can greatly reduce the cost of the foundation and has enough strength, so the tubular pile is widely applied to the engineering foundation fields of railways, roads and bridges, ports, wharfs, water conservancy, municipal administration, buildings, large-scale equipment and the like.

The prestressed concrete pipe pile has the advantages of high strength and short construction period, and the proportion of the precast pipe pile in the engineering is higher and higher along with the development of the building industry. In site pile foundation construction, a static pressure pile machine is adopted to deliver the precast pile to a specified elevation, and once a steel delivery device is pumped out of a soil layer, a large amount of soil drops. The method for welding and plugging the pile head hole by using the small iron sheet commonly adopted at present has the problems of falling, displacement and the like. And the core construction is irritated in later stage still need be dismantled welded little iron sheet, and the efficiency of construction is low.

SUMMERY OF THE UTILITY MODEL

In view of the above problem, the utility model provides a pile head connector for precast tubular pile is under construction fast, this connector can effectively protect the pile head complete, avoid earth to get into pile body hole to reduce the pile head and maintain clearance work load, accelerate precast tubular pile construction speed, easy operation, the connector can have enough to meet the need used repeatedly.

In order to achieve the above object, an aspect of the present invention provides a pile head connector for rapid construction of precast tubular piles, which includes a pile head end cover with a downward extending edge sealing at the edge, a handle formed at the end cover, a groove formed at the end cover, and a groove formed at the outer wall of the groove for accommodating the pile head side wall, wherein the thickness of the handle is smaller than the depth of the groove, the two ends of the handle are hinged to the inner wall of the groove, so that the handle can be opposite to the groove and rotate, and at least, the handle is completely located in the groove in a flat state.

Preferably, the groove is circular or square.

Preferably, the handle inner side is formed in a wave shape.

Preferably, the cover depth of the end cover is 80-100 mm.

Preferably, the top corner of the inner wall of the annular groove is arc-shaped.

Preferably, the end cap is a steel end cap.

Furthermore, an internal thread is formed on the inner side wall of the end cover, and an external thread is formed on the outer wall of the tubular pile head.

Furthermore, a sealing ring is arranged on the inner side wall of the end cover.

Furthermore, a plurality of spring pieces are arranged on the inner side wall of the annular groove.

Through the technical scheme, the utility model discloses a following beneficial effect:

1. the utility model discloses a connector can cover tubular pile head, when pile follower withdraws in pile follower process and pile follower end, can not separate with the pile head, the aversion condition can not appear yet, and the earth of whereabouts can not enter into the stake in addition inside, has played fine guard action. The handle on the end cover can be rotatably arranged in the groove, and the handle is flatly placed after the connector is placed, so that the handle cannot be damaged in the pile pressing process of the pile feeder, the stress of the end cover is more uniform, and the deviation of a tubular pile cannot be caused.

2. The utility model is simple in operation, the connector can customize the processing transportation and come the direct use, and the workman takes the convenience to can retrieve after the earthwork excavation and recycle. And because inside earth got into the stake has been stopped from the source, the artifical cost of drawing earth before having saved the later stage core filling to the time has been saved.

Drawings

Fig. 1 is a schematic structural view of an embodiment of the connector of the present invention;

FIG. 2 isbase:Sub>A sectional view taken along line A-A of FIG. 1;

FIG. 3 is another state diagram of FIG. 1;

FIG. 4 is a schematic diagram of the application of FIG. 1;

fig. 5 is a schematic structural view of a second embodiment of the connector of the present invention;

fig. 6 is a schematic structural view of a third embodiment of the connector according to the present invention.

Description of the reference numerals

1 end cover, 11 sealing rings, 12 spring pieces, 2 grooves, 3 handles and 4 tubular piles

Detailed Description

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It should be understood that the description herein is provided for illustration and explanation of the invention and is not intended to limit the invention.

It should be noted that, in the following description, for the sake of clarity, the directional terms, such as "outer", "inner", etc., used in the description of the present invention are used in the same sense as the normal directions of the components of the pile connector, and are used only for convenience of description and simplification of the description, but not for indicating or implying that the device or element in question must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; either directly or indirectly through intervening media, either internally or in any combination thereof. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

As shown in fig. 1-6, a pile head connector for precast tubular pile quick construction include that the border takes downwardly extending banding's pile head end cover 1, form in recess 2 on the end cover 1 and be located handle 3 in the recess 2, the inner wall of banding with the outer wall of recess 2 forms the ring channel of holding pile head lateral wall, the thickness of handle 3 is less than the degree of depth of recess 2, the both ends of handle 3 articulate on the inner wall of recess 2, so that handle 3 can be relative recess 2 rotates to at least being located completely under the state of laying level in the recess 2.

When the static pile machine is constructed to the last section of the tubular pile 4, a worker can grasp the handle 3 and lift the connector to cover the tubular pile 4 (as shown in fig. 4). The size of the internal diameter of the pile head end cover 1 is slightly larger than the external diameter of the tubular pile 4, except the covering of the top surface, the pile head of the tubular pile 4 is also covered, and then the handle 3 is laid flat by a worker, so that the handle 3 cannot be damaged in the pile pressing process of the pile feeder, the stress of the end cover 1 is more uniform, and the deviation of the tubular pile 4 cannot be caused. And excavating to the elevation of the pile head in the earth excavation process. The handle 3 is lifted by a worker to take down the connector, and the taken-down connector is collected and managed in a unified manner and conveyed to the next construction site for reuse.

The utility model discloses a connector is at the pile follower in-process to and when the pile follower withdraws after the pile follower finishes, can not separate with the pile head, the aversion condition can not appear yet, and the earth of whereabouts can not enter into the stake in addition inside, has played fine guard action.

The utility model is simple in operation, the connector can customize the processing transportation and come the direct use, and the workman takes the convenience to can retrieve after the earthwork excavation and recycle. And because inside earth got into the stake from the source, saved the artifical cost of drawing earth before the core is irritated to the later stage to the time has been saved.

The recess 2 may be circular or square, correspondingly, the outer contour of the handle 3 may also be circular or square.

For easy gripping, the inside of the handle 3 is formed in a wave shape, each wave receiving one finger. In addition, the handle 3 can be coated with a non-slip mat to prevent the connector from sliding off in the transferring process to cause object damage or human body damage.

Preferably, the cover depth of the end cover 1 is 80-100 mm. If the size of the connector is too small, the connector cannot effectively coat the pile head of the tubular pile 4, the connector is likely to slip off in the pile pressing process, and if the size of the connector is too large, the whole weight of the connector is large, and the connector is inconvenient for workers to transport.

The top corner of the inner wall of the annular groove is arc-shaped, so that the pipe pile wall can conveniently enter. As a preferred embodiment of the present invention, the end cap 1 is a steel end cap, which not only has sufficient strength, but also has a weight that is not too large.

In order to avoid the connector shifting over the pile head of the tube stake 4, the end cap 1 and the pile head can be connected in a certain way, of course, it must be a connection that is easy to disassemble. The following modes can be specifically adopted:

(1) An internal thread is formed on the inner side wall of the end cover 1, and an external thread is formed on the outer wall of the pile head of the tubular pile 4. When the static pressure pile machine is constructed to the last section of tubular pile 4, a worker can grasp the handle 3, lift the connector and place the connector on the tubular pile 4, screw the connector until the connector is not screwed, lay the handle 3 flat, press the pile again, screw the end cover 1 reversely after pressing the pile, and take the connector off the tubular pile 4.

(2) As shown in fig. 5, a sealing ring 11 is arranged on the inner side wall of the end cover 1, and the end cover 1 is not easy to shake relative to the tubular pile 4 due to the elasticity of the sealing ring 11.

(3) As shown in fig. 6, a plurality of spring strips 12 are arranged on the inner side wall of the end cover 1. The end cover 1 is tightly attached to the side wall of the pile head of the tubular pile 4 by the elasticity of the spring pieces 12, so that the tubular pile is not easy to shake.

The above description is provided for the preferred embodiments of the present invention, but the present invention is not limited to the details of the above embodiments, and the technical idea of the present invention can be implemented by various simple modifications, which all belong to the protection scope of the present invention.

It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and in order to avoid unnecessary repetition, the present invention does not separately describe various possible combinations.

In addition, various embodiments of the present invention can be arbitrarily combined with each other, and the disclosed content of the present invention should be considered as the same as long as it does not violate the idea of the present invention.

Claims

1. The utility model provides a pile head connector for precast tubular pile is under construction fast which characterized in that, include border area downwardly extending banding pile head end cover (1), be formed at recess (2) on end cover (1) and be located handle (3) in recess (2), the inner wall of banding with the outer wall of recess (2) forms the ring channel of holding pile head lateral wall, the thickness of handle (3) is less than the degree of depth of recess (2), the both ends of handle (3) articulate on the inner wall of recess (2), so that handle (3) can be relative recess (2) rotate to at least, lie in completely under the state of laying level in recess (2).

2. The pile head connector for precast tubular pile rapid construction according to claim 1, wherein the groove (2) is circular or square.

3. The pile head connector for precast pile rapid construction according to claim 1, wherein the inside of the handle (3) is formed in a wave shape.

4. The pile head connector for precast tubular pile rapid construction according to claim 1, wherein the cover depth of the end cover (1) is 80-100 mm.

5. The pile head connector for precast tubular pile rapid construction according to claim 1, wherein the top corner of the inner wall of the annular groove is arc-shaped.

6. The pile head connector for precast tubular pile rapid construction according to any one of claims 1 to 5, characterized in that the end cap (1) is a steel end cap.

7. The pile head connector for precast tubular pile rapid construction according to claim 6, wherein an inner thread is formed on an inner side wall of the end cover (1), and an outer thread is formed on an outer wall of the pile head.

8. The pile head connector for precast tubular pile rapid construction according to claim 6, wherein a sealing ring (11) is arranged on the inner side wall of the end cover (1).

9. The pile head connector for precast tubular pile rapid construction according to claim 6, wherein a plurality of spring pieces (12) are provided on the inner side wall of the annular groove.