CN114045857A - Connecting structure of tubular pile and prefabricated bearing platform and installation and construction method of tubular pile and prefabricated bearing platform - Google Patents
Connecting structure of tubular pile and prefabricated bearing platform and installation and construction method of tubular pile and prefabricated bearing platform Download PDFInfo
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- CN114045857A CN114045857A CN202111479608.3A CN202111479608A CN114045857A CN 114045857 A CN114045857 A CN 114045857A CN 202111479608 A CN202111479608 A CN 202111479608A CN 114045857 A CN114045857 A CN 114045857A
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/10—Deep foundations
- E02D27/12—Pile foundations
- E02D27/14—Pile framings, i.e. piles assembled to form the substructure
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/24—Prefabricated piles
- E02D5/30—Prefabricated piles made of concrete or reinforced concrete or made of steel and concrete
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Abstract
The invention provides a connecting structure of a tubular pile and a prefabricated bearing platform and an installation and construction method of the tubular pile and the prefabricated bearing platform, wherein the connecting structure of the tubular pile and the prefabricated bearing platform comprises the tubular pile and the bearing platform, a sealing plate is arranged in the tubular pile, and the connecting structure further comprises a clamping assembly and a connecting rod: one end of the connecting rod is connected with the bearing platform, and the other end of the connecting rod protrudes out of the lower side of the bearing platform; the clamping assembly comprises two clamping pieces which are arranged at the upper part of the tubular pile and are rotationally connected with the tubular pile, and the two clamping pieces are used for clamping the connecting rod; when the connecting rod is inserted into the clamping grooves to a preset position, the two clamping pieces rotate relative to the tubular pile to clamp the connecting rod; the installation construction method of the tubular pile and the prefabricated bearing platform adopts the connecting structure of the tubular pile and the prefabricated bearing platform to carry out installation.
Description
Technical Field
The invention belongs to the technical field of power transmission line pile construction, and particularly relates to a connecting structure of a tubular pile and a prefabricated bearing platform and an installation and construction method of the tubular pile and the prefabricated bearing platform.
Background
The transmission lines are arranged in a dotted line, the passing traffic conditions and the environmental conditions are poor, and the distributed and multi-region operation requires the construction tool to be portable and the foundation size to be miniaturized. The load transmitted by the tower is transmitted to the foundation, and the foundation can meet the requirements of safe, reliable and stable operation of the power transmission line. The existing transmission line pile foundation bearing platform is formed by cast-in-place in many ways, the cast-in-place technology is mature, but the cast-in-place mode not only pollutes the environment, but also increases the manpower input and increases the construction period. And the node connection mode of prefabricated cushion cap and tubular pile relates to less, and especially under the transmission line adverse circumstances prefabricated cushion cap and tubular pile's node connection is more less. Therefore, the joint connection of the prefabricated bearing platform and the tubular pile is always a difficult point faced in the power transmission line engineering.
At present, the node connection of prefabricated cushion cap and tubular pile adopts screw thread more, bolted connection structure links together prefabricated cushion cap and prefabricated tubular pile, both seted up a plurality of screw holes on the tubular pile, set up corresponding screw hole on the cushion cap, place prefabricated cushion cap at the tubular pile upside, make the screw hole on the cushion cap align with the screw hole on the tubular pile, wear to establish the bolt from the cushion cap upside, twist in the screw hole on the tubular pile, when this just requires to place the cushion cap, will align completely the screw hole on cushion cap and the screw hole on the tubular pile, in the site operation process, often need carry out many times with the cushion cap hoist, the operation of adjustment position, the construction degree of difficulty is big, the installation effectiveness is low.
Disclosure of Invention
The embodiment of the invention provides a connecting structure of a tubular pile and a prefabricated bearing platform and a mounting construction method of the tubular pile and the prefabricated bearing platform, and aims to solve the technical problems.
In order to achieve the purpose, the invention adopts the technical scheme that:
in a first aspect, an embodiment of the present invention provides a connection structure of a tubular pile and a prefabricated bearing platform, including a tubular pile and a bearing platform, where a sealing plate is arranged inside the tubular pile, and the connection structure further includes:
one end of the connecting rod is connected with the bearing platform, and the other end of the connecting rod protrudes out of the lower side of the bearing platform;
the clamping assembly comprises two clamping pieces which are arranged at the upper part of the tubular pile and are rotationally connected with the tubular pile, and the two clamping pieces are used for clamping the connecting rod; when the clamping assembly is in a relaxed state, the distance between the parts of the two clamping pieces above the rotary connection position is larger than the distance between the corresponding positions of the connecting rods, and the distance between the parts of the two clamping pieces below the rotary connection position is smaller than the distance between the corresponding positions of the connecting rods; when the clamping assembly is in a clamping state, the distance between the two clamping pieces is smaller than or equal to the distance between the connecting rods;
when the connecting rod is inserted into the clamping groove to the preset position, the two clamping pieces are opposite to the tubular pile to rotate, and the connecting rod is clamped tightly.
Combine the first aspect, in a possible implementation, the whole frustum structure that is of clamping unit, two the clamping piece is established relatively the axis both sides of tubular pile, and be located the shrouding with between the port on the tubular pile, every all be equipped with pivot and clamping groove on the clamping piece, the pivot with the tubular pile rotates to be connected, clamping groove is used for holding the connecting rod, and along with the clamping piece rotates will the connecting rod presss from both sides tightly.
Combine the first aspect, in a possible implementation, still include fastening nut, the connecting rod includes clamping part and screw thread portion, clamping part with screw thread portion structure as an organic whole, clamping part sets up a plurality of annular bosss, two all set up with a plurality of in the clamping groove a plurality of annular grooves that annular boss corresponds, screw thread portion be equipped with the screw thread, with fastening nut connects, the cushion cap is located the tubular pile with between the fastening nut, it is a plurality of annular groove and a plurality of annular boss is the back taper structure.
With reference to the first aspect, in a possible implementation manner, the tubular pile further includes a first concrete filling body, and the first concrete filling body is filled between the sealing plate and the upper port of the tubular pile.
With reference to the first aspect, in one possible implementation manner, the clamping assembly further includes an elastic element, and the elastic element is respectively connected with the two clamping pieces so as to enable the upper ends of the two clamping pieces to be away from each other.
With reference to the first aspect, in a possible implementation manner, a plurality of grouting grooves are formed in the lower side of the bearing platform, so that concrete is poured between the sealing plate and the upper port of the tubular pile.
With reference to the first aspect, in a possible implementation manner, the connecting rod further includes a threaded sleeve, the threaded sleeve is embedded in the bearing platform and penetrates through the bearing platform, and the threaded sleeve is connected with the threaded portion of the connecting rod.
In combination with the first aspect, in a possible implementation manner, the bearing platform further includes a second concrete filling layer, the bearing platform is further provided with a protection groove, the fastening nut is arranged in the protection groove, and the second concrete filling layer is arranged in the protection groove in a filling manner.
With reference to the first aspect, in a possible implementation manner, the pile further includes a cushion layer, and the cushion layer is disposed between the tubular pile and the bearing platform.
With reference to the first aspect, in one possible implementation manner, the clamping assembly is of a frustum structure as a whole.
In a second aspect, an embodiment of the present invention further provides a method for installing and constructing a tubular pile and a prefabricated pile cap, where the connection structure of the tubular pile and the prefabricated pile cap includes the following steps:
A. digging a foundation pit, wherein the depth of the foundation pit is less than or equal to the height of the bearing platform, and the width of the foundation pit is subjected to slope-releasing excavation according to the width of the bearing platform;
B. paving a cushion layer at the bottom of the foundation pit;
C. pressing the tubular pile with the clamping assembly into the reserved position of the foundation pit;
D. connecting the connecting rod with the bearing platform, and enabling the lower end of the connecting rod to protrude out of the lower side of the bearing platform;
E. hoisting the platform to align the connecting rod with the clamping assembly;
F. slowly lowering the bearing platform, gradually inserting the connecting rod into the clamping assembly along with the lowering of the bearing platform, and lowering the bearing platform to a specified position, wherein the clamping assembly clamps the connecting rod;
G. and pouring concrete into a gap between the sealing plate and the upper port of the tubular pile to form the first concrete filling body, and finally, tightly connecting the clamping assembly, the tubular pile and the bearing platform together.
The connecting structure of the pipe pile and the prefabricated bearing platform provided by the invention has the beneficial effects that: compared with the prior art, the connecting structure of the tubular pile and the prefabricated bearing platform is provided with the tubular pile and the bearing platform, a sealing plate is arranged in the tubular pile, the connecting structure of the tubular pile and the prefabricated bearing platform is also provided with a connecting rod and a clamping assembly, one end of the connecting rod is connected with the bearing platform, and the other end of the connecting rod protrudes out of the lower side of the bearing platform; the clamping assembly comprises two clamping pieces which are arranged on the upper part of the tubular pile and are rotationally connected with the tubular pile, and the two clamping pieces are used for clamping the connecting rod; when the clamping assembly is in a loose state, the distance between the parts, above the rotating shaft, of the two clamping pieces is larger than the distance between the corresponding positions of the connecting rods, and the distance between the parts, below the rotating shaft, of the two clamping pieces is smaller than the distance between the corresponding positions of the connecting rods; when the clamping assembly is in a clamping state, the distance between the two clamping pieces is smaller than or equal to that of the connecting rod, so that the connecting rod can be well clamped; according to the connecting structure of the pipe pile and the prefabricated bearing platform, the connecting rod is inserted into the clamping piece only when the bearing platform is placed downwards, the position of the subsequent bearing platform is automatically adjusted under the matching of the clamping piece and the connecting rod, the connecting rod is always aligned with the clamping piece, and the opening space of the upper port of the clamping piece is larger than the diameter of the connecting rod, so that the connecting rod does not need to be completely aligned with the clamping piece during installation, and the installation difficulty is greatly reduced.
The installation and construction method of the pipe pile and the prefabricated bearing platform provided by the invention has the beneficial effects that: compared with the prior art, the installation construction method of the tubular pile and the prefabricated bearing platform provided by the invention uses the connecting structure of the tubular pile and the prefabricated bearing platform for installation, during construction, only the connecting rod is required to be inserted into the clamping groove when the bearing platform is lowered, then the two clamping pieces rotate relative to the tubular pile along with the lowering of the bearing platform, the clamping assembly is gradually converted into a clamping state from a loose state, the connecting rod is clamped, the position of the bearing platform is automatically adjusted under the matching of the clamping piece and the connecting rod in the process, the connecting rod is always kept in an aligned state with the clamping piece until the bearing platform is completely lowered, the two clamping pieces clamp the connecting rod at the moment, finally, concrete is poured between the closing plate and the upper port of the tubular pile, the clamping assembly, the tubular pile and the bearing platform are tightly connected together, the whole process of the installation of the bearing platform is in place, and the position of the bearing platform does not need to be repeatedly lifted and adjusted, greatly reducing the construction difficulty and improving the installation efficiency.
Drawings
Fig. 1 is a schematic front view of a connection structure between a pipe pile and a prefabricated pile cap provided by an embodiment of the invention in an installation process;
fig. 2 is a schematic top view of a connection structure between a pipe pile and a prefabricated cap according to an embodiment of the present invention during installation;
FIG. 3 is a sectional view taken along line A-A of FIG. 2;
fig. 4 is a schematic perspective view illustrating a clamping assembly and a connecting rod in a connection structure of a pipe pile and a prefabricated cap according to an embodiment of the present invention;
fig. 5 is a front view structural schematic diagram of the connection structure of the pipe pile and the prefabricated pile cap provided by the embodiment of the invention after being completely installed;
fig. 6 is a schematic top view of the connecting structure of the pipe pile and the prefabricated cap according to the embodiment of the present invention, which is completely installed;
FIG. 7 is a sectional view taken along line B-B of FIG. 6;
description of reference numerals:
10. a tubular pile; 11. closing the plate; 20. a bearing platform; 21. grouting grooves;
22. a threaded sleeve; 23. a protective groove; 30. a clamping member; 31. a clamping groove;
32. an elastic element; 40. a first concrete filling body; 50. a clamping portion; 51. a threaded portion;
52. fastening a nut; 60. a second concrete filling layer; 70. and (5) cushion coating.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the application, its application, or uses. 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 application.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present application unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
In the description of the present application, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description only, and in the case of not making a reverse description, these directional terms do not indicate and imply that the device or element being referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the scope of the present application; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of protection of the present application is not to be construed as being limited.
The first embodiment is as follows:
referring to fig. 1 to 7, the present embodiment provides a connection structure of a tubular pile and a prefabricated platform, including a tubular pile 10 and a platform 20, a sealing plate 11 is disposed inside the tubular pile 10, and further including a clamping assembly and a connection rod; one end of the connecting rod is connected with the bearing platform 20, and the other end of the connecting rod protrudes out of the lower side of the bearing platform 20; the clamping assembly comprises two clamping pieces 30 which are arranged at the upper part of the tubular pile 10 and are rotatably connected with the tubular pile 10 and used for clamping the connecting rod; when the clamping assembly is in a relaxed state, the distance between the parts of the two clamping pieces 30 above the rotary joint is greater than the distance between the corresponding positions of the connecting rods, and the distance between the parts of the two clamping pieces 30 below the rotary joint is less than the distance between the corresponding positions of the connecting rods; when the clamping assembly is in a clamping state, the distance between the two clamping pieces 30 is smaller than or equal to the distance between the connecting rods; when the connecting rod is inserted into the clamping groove to a preset position, the two clamping pieces 30 rotate relative to the tubular pile 10 to clamp the connecting rod.
It should be noted that, the corresponding position refers to a position where the connecting rod is attached to the clamping member when the clamping assembly is in a clamping state, and the preset position refers to a position of the connecting rod after the placing of the bearing platform 20 is completed; a gap exists between the clamping assembly and the closure plate 11 to allow the clamping assembly to rotate.
Referring to fig. 1 to 7, as a specific embodiment of the connection structure of the tubular pile and the prefabricated pile cap provided in this embodiment, the whole clamping assembly is a frustum structure, two clamping members 30 are relatively disposed on two sides of the axis of the tubular pile 10 and located between the sealing plate 11 and the upper port of the tubular pile 10, each clamping member is provided with a rotating shaft and a clamping groove 31, the rotating shaft is rotatably connected to the tubular pile 10, and the clamping groove 31 is used for accommodating the connecting rod and clamping the connecting rod along with the rotation of the clamping member 30.
It should be understood that the clamping assembly is integrally designed to be in a frustum structure, and the cavity of the first concrete filling body 40 formed after the concrete is poured is in an inverted cone structure, so that the clamping assembly is connected with the tubular pile 10 more tightly.
Referring to fig. 1 to 7, a concrete embodiment of the connection structure of the pipe pile and the prefabricated platform provided in this embodiment further includes a fastening nut 52, the connection rod includes a clamping portion 50 and a threaded portion 51, the clamping portion 50 and the threaded portion 51 are an integral structure, the clamping portion 50 is provided with a plurality of annular bosses, two clamping grooves 31 are respectively provided with a plurality of annular grooves corresponding to the annular bosses, the threaded portion 51 is provided with threads and connected to the fastening nut 52, and the platform 20 is located between the pipe pile 10 and the fastening nut 52; a plurality of annular grooves and a plurality of annular boss are the back taper structure, and the clamping part 50 and two clamping grooves 31 of connecting rod can be back taper structure or cylinder structure simultaneously, along with the insertion of connecting rod, drive clamping piece 30 and rotate gradually, and the annular groove on the clamping groove 31 cooperates with the annular boss on the connecting rod and presss from both sides the connecting rod tightly, and the connecting rod will unable rebound, avoids the later stage connecting rod from pressing from both sides roll-off in the clamping groove 31.
Referring to fig. 1 and 3, a first concrete filling body 40 is further included, and the first concrete filling body 40 is filled between the closing plate 11 and the upper port of the tubular pile 10 to enhance the connection strength between the clamping assembly and the tubular pile.
Referring to fig. 1 and 3 together, as an embodiment of the connection structure of the pipe pile and the prefabricated platform provided in this embodiment, a plurality of grouting grooves 21 are formed on the lower side of the platform 20 to pour concrete between the sealing plate 11 and the upper port of the pipe pile 10.
Referring to fig. 1 to 3, as a specific embodiment of the connection structure of the pipe pile and the prefabricated pile cap provided in this embodiment, the connection structure of the pipe pile 10 and the pile cap 20 further includes a threaded sleeve 22, the threaded sleeve 22 is embedded in the pile cap 20 and penetrates through the pile cap 20, the threaded sleeve 22 is connected to the threaded portion 51 of the connecting rod, the threaded sleeve 22 is made of steel, and the threaded sleeve 22 is embedded during the manufacture of the pile cap 20, so that the connecting rod is more stably connected to the pile cap 20.
The present embodiment provides the connection structure of the pipe pile 10 and the prefabricated cap 20 with the following beneficial effects: the connecting structure of the tubular pile 10 and the prefabricated bearing platform 20 provided by the embodiment is provided with the tubular pile 10 and the bearing platform 20, a sealing plate 11 is arranged inside the tubular pile 10, the connecting structure of the tubular pile 10 and the prefabricated bearing platform 20 is further provided with a connecting rod and a clamping assembly, one end of the connecting rod is connected with the bearing platform 20, and the other end of the connecting rod protrudes out of the lower side of the bearing platform 20; the clamping assembly comprises two clamping pieces 30 which are arranged at the upper part of the tubular pile 10 and are rotationally connected with the tubular pile 10 and used for clamping the connecting rod; when the clamping assembly is in a loose state, the distance between the parts of the two clamping pieces 30 above the rotary joint is larger than the distance between the corresponding positions of the connecting rods, and the distance between the parts of the two clamping pieces 30 below the rotary joint is smaller than the distance between the corresponding positions of the connecting rods, when the bearing platform 20 is installed, the connecting rods are more easily inserted into the two clamping pieces 30, the two clamping pieces 30 rotate relative to the tubular pile 10 along with the insertion of the connecting rods into the clamping pieces 30 until the two clamping pieces 30 clamp the connecting rods, and in the process, the bearing platform 20 automatically adjusts the self positions under the matching of the clamping pieces 30 and the connecting rods, so that the connecting rods are always aligned with the clamping pieces 30; when the clamping assembly is in a clamping state, the distance between the two clamping pieces 30 is smaller than or equal to the distance between the connecting rods, so that the connecting rods can be clamped well; both the tubular pile 10 that this embodiment provided and prefabricated cushion cap 20's connection structure only needs when transferring cushion cap 20, makes the connecting rod insert in clamping piece 30, and follow-up cushion cap 20 is under the cooperation of clamping piece 30 and connecting rod, and automatic adjustment self position makes the connecting rod keep the alignment state with clamping piece 30 all the time, and because the open space of the upper port of clamping piece 30 is greater than the diameter of connecting rod, during the installation, need not make connecting rod and clamping piece 30 align completely, reduces the installation degree of difficulty by a wide margin.
Example two:
referring to fig. 1 to 7, the present embodiment provides a connection structure of a tubular pile and a prefabricated platform, including a tubular pile 10 and a platform 20, a sealing plate 11 is disposed inside the tubular pile 10, and further including a clamping assembly and a connection rod; one end of the connecting rod is connected with the bearing platform 20, and the other end of the connecting rod protrudes out of the lower side of the bearing platform 20; the clamping assembly comprises two clamping pieces 30 which are arranged at the upper part of the tubular pile 10 and are rotatably connected with the tubular pile 10 and used for clamping the connecting rod; when the clamping assembly is in a relaxed state, the distance between the parts of the two clamping pieces 30 above the rotary joint is greater than the distance between the corresponding positions of the connecting rods, and the distance between the parts of the two clamping pieces 30 below the rotary joint is less than the distance between the corresponding positions of the connecting rods; when the clamping assembly is in a clamping state, the distance between the two clamping pieces 30 is smaller than or equal to the distance between the connecting rods; when the connecting rod is inserted into the clamping groove to a preset position, the two clamping pieces 30 rotate relative to the tubular pile 10 to clamp the connecting rod.
It should be noted that, the corresponding position refers to a position where the connecting rod is attached to the clamping member when the clamping assembly is in a clamping state, and the preset position refers to a position of the connecting rod after the placing of the bearing platform 20 is completed; a gap exists between the clamping assembly and the closure plate 11 to allow the clamping assembly to rotate.
Referring to fig. 1 to 7, as a specific embodiment of the connection structure of the tubular pile and the prefabricated pile cap provided in this embodiment, the whole clamping assembly is a frustum structure, two clamping members 30 are relatively disposed on two sides of the axis of the tubular pile 10 and located between the sealing plate 11 and the upper port of the tubular pile 10, each clamping member is provided with a rotating shaft and a clamping groove 31, the rotating shaft is rotatably connected to the tubular pile 10, and the clamping groove 31 is used for accommodating the connecting rod and clamping the connecting rod along with the rotation of the clamping member 30.
It should be understood that the clamping assembly is integrally designed to be in a frustum structure, and the cavity of the first concrete filling body 40 formed after the concrete is poured is in an inverted cone structure, so that the clamping assembly is connected with the tubular pile 10 more tightly.
Referring to fig. 1 to 7, as a specific embodiment of the connection structure of the pipe pile and the prefabricated platform provided in this embodiment, the connection structure further includes a fastening nut 52, the connection rod includes a clamping portion 50 and a threaded portion 51, the clamping portion 50 and the threaded portion 51 are an integral structure, the clamping portion 50 is provided with a plurality of annular bosses, a plurality of annular grooves corresponding to the annular bosses are respectively formed in two clamping grooves 31, the threaded portion 51 is provided with threads and connected to the fastening nut 52, the platform 20 is located between the pipe pile 10 and the fastening nut 52, the annular grooves and the annular bosses are of inverted cone structures, the clamping portion 50 and the two clamping grooves 31 of the connection rod can be of inverted cone structures or cylindrical structures, the clamping member 30 is driven to gradually rotate along with the insertion of the connection rod, the annular grooves on the clamping groove 31 cooperate with the annular bosses on the connection rod to clamp the connection rod, the connecting rod will unable rebound, avoids the later stage connecting rod from pressing from both sides tight inslot 31 roll-off.
Referring to fig. 1 and 3, a first concrete filling body 40 is further included, and the first concrete filling body 40 is filled between the closing plate 11 and the upper port of the tubular pile 10 to enhance the connection strength between the clamping assembly and the tubular pile.
Referring to fig. 1 to 5, as a specific embodiment of the connection structure of the pipe pile and the prefabricated pile cap provided in this embodiment, the clamping assembly further includes an elastic element 32, and the elastic element 32 is respectively connected to the two clamping members 30, so that the upper ends of the two clamping members 30 are away from each other, the upper ends of the two clamping members 30 are always kept in an open state before the connection rod is inserted, and the connection rod is conveniently inserted, and specifically, the elastic element 32 is preferably a spring.
Referring to fig. 1 and 3, as an embodiment of the connection structure of the pipe pile and the prefabricated platform provided in this embodiment, a plurality of grouting grooves 21 are formed on the lower side of the platform 20 to pour concrete between the clamping assembly and the pipe pile 10 to form a first concrete filling body 40.
Referring to fig. 1 to 3, as a specific embodiment of the connection structure of the pipe pile and the prefabricated pile cap provided in this embodiment, the connection structure of the pipe pile 10 and the pile cap 20 further includes a threaded sleeve 22, the threaded sleeve 22 is embedded in the pile cap 20 and penetrates through the pile cap 20, the threaded sleeve 22 is connected to the threaded portion 51 of the connecting rod, the threaded sleeve 22 is made of steel, and the threaded sleeve 22 is embedded during the manufacture of the pile cap 20, so that the connecting rod is more stably connected to the pile cap 20.
Referring to fig. 1 to 7, as a specific implementation manner of the connection structure of the pipe pile and the prefabricated pile cap provided in this embodiment, the connection structure of the pipe pile 10 and the pile cap 20 further includes a second concrete filling layer 60, the pile cap 20 is further provided with a protection groove 23, the fastening nut 52 is disposed in the protection groove 23, and the second concrete filling layer 60 is filled in the protection groove 23, so that on one hand, the fastening nut 52 can be effectively prevented from loosening, on the other hand, the fastening nut 52 is prevented from being corroded, and therefore, the potential safety hazard is effectively reduced.
Referring to fig. 1 to 3, as a specific embodiment of the connection structure of the pipe pile and the prefabricated pile cap provided in this embodiment, the connection structure of the pipe pile 10 and the pile cap 20 further includes a cushion layer 70, and the cushion layer 70 is disposed between the pipe pile 10 and the pile cap 20, so that the lower side of the pile cap 20 is tightly attached to the foundation pit, and a cavity between the pile cap 20 and the foundation pit is prevented from leaving a potential safety hazard.
The present embodiment provides the connection structure of the pipe pile 10 and the prefabricated cap 20 with the following beneficial effects: the connecting structure of the tubular pile 10 and the prefabricated bearing platform 20 provided by the embodiment is provided with the tubular pile 10 and the bearing platform 20, a sealing plate 11 is arranged inside the tubular pile 10, the connecting structure of the tubular pile 10 and the prefabricated bearing platform 20 is further provided with a connecting rod and a clamping assembly, one end of the connecting rod is connected with the bearing platform 20, and the other end of the connecting rod protrudes out of the lower side of the bearing platform 20; the clamping assembly comprises two clamping pieces 30 which are arranged at the upper part of the tubular pile 10 and are rotationally connected with the tubular pile 10 and used for clamping the connecting rod; when the clamping assembly is in a loose state, the distance between the parts of the two clamping pieces 30 above the rotary joint is larger than the distance between the corresponding positions of the connecting rods, and the distance between the parts of the two clamping pieces 30 below the rotary joint is smaller than the distance between the corresponding positions of the connecting rods, when the bearing platform 20 is installed, the connecting rods are more easily inserted into the two clamping pieces 30, the two clamping pieces 30 rotate relative to the tubular pile 10 along with the insertion of the connecting rods into the clamping pieces 30 until the two clamping pieces 30 clamp the connecting rods, and in the process, the bearing platform 20 automatically adjusts the self positions under the matching of the clamping pieces 30 and the connecting rods, so that the connecting rods are always aligned with the clamping pieces 30; when the clamping assembly is in a clamping state, the distance between the two clamping pieces 30 is smaller than or equal to the distance between the connecting rods, so that the connecting rods can be clamped well; both the tubular pile 10 that this embodiment provided and prefabricated cushion cap 20's connection structure, only need be when transferring cushion cap 20, make the connecting rod insert in clamping piece 30, follow-up cushion cap 20 is under the cooperation of clamping piece 30 and connecting rod, automatic adjustment self position, make the connecting rod keep the alignment state with clamping piece 30 all the time, and because the open space of the last port of clamping piece 30 is greater than the diameter of connecting rod, during the installation, need not make the connecting rod align completely with clamping piece 30, reduce the installation degree of difficulty by a wide margin, protect 23 and 70's of bed course setting in groove simultaneously, effectively less potential safety hazard, the security quality of construction is improved.
Example three:
referring to fig. 1 to 7, the present embodiment provides a method for installing and constructing a tubular pile and a prefabricated platform, which uses the connection structure of the tubular pile and the prefabricated platform, and includes the following steps:
A. digging a foundation pit, wherein the depth of the foundation pit is less than or equal to the height of the bearing platform 20, and the width of the foundation pit is subjected to slope-releasing excavation according to the width of the bearing platform 20;
B. laying a 100-300 mm cushion layer 70 at the bottom of the foundation pit;
C. pressing the tubular pile 10 with the clamping assembly into a reserved position of a foundation pit;
D. connecting the connecting rod with the bearing platform 20, and enabling the lower end of the connecting rod to protrude out of the lower side of the bearing platform 20;
E. hoisting the platform 20 so that the connecting rods are aligned with the clamping members 30;
F. slowly lowering the bearing platform 20, gradually inserting the connecting rod into the clamping piece 30 along with the lowering of the bearing platform 20, and lowering the bearing platform 20 to a specified position, wherein the clamping piece 30 clamps the connecting rod;
G. and pouring concrete into the gap between the closing plate 11 and the upper port of the tubular pile 10 to form a concrete filling layer, and finally, tightly connecting the clamping assembly, the tubular pile 10 and the bearing platform 20 together.
The method for installing and constructing the pipe pile and the prefabricated bearing platform provided by the embodiment has the beneficial effects that: compared with the prior art, the installation and construction method of the tubular pile and the prefabricated bearing platform provided by the embodiment uses the connection structure of the tubular pile and the prefabricated bearing platform for installation, during construction, only the connecting rod is required to be inserted into the clamping piece 30 when the bearing platform 20 is lowered, then the two clamping pieces 30 rotate relative to the tubular pile 10 along with the lowering of the bearing platform 20 until the two clamping pieces 30 clamp the connecting rod, in the process, the position of the bearing platform 20 is automatically adjusted under the matching of the clamping piece 30 and the connecting rod, so that the connecting rod is always aligned with the clamping piece 30 until the bearing platform 20 is completely lowered, at the moment, the two clamping pieces 30 clamp the connecting rod, finally, concrete is poured between the sealing plate 11 and the upper port of the tubular pile 10, the clamping assembly, the tubular pile 10 and the bearing platform 20 are tightly connected together, the whole process of the installation of the bearing platform 20 is one step, the position adjustment of the bearing platform 20 does not need to be repeatedly lifted, greatly reducing the construction difficulty and improving the installation efficiency.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides a connection structure of tubular pile and prefabricated cushion cap, a serial communication port, including tubular pile and cushion cap, the inside shrouding that is equipped with of tubular pile still includes:
one end of the connecting rod is connected with the bearing platform, and the other end of the connecting rod protrudes out of the lower side of the bearing platform; and
the clamping assembly comprises two clamping pieces which are arranged at the upper part of the tubular pile and are rotationally connected with the tubular pile, and the two clamping pieces are used for clamping the connecting rod; when the clamping assembly is in a relaxed state, the distance between the parts of the two clamping pieces above the rotary connection position is larger than the distance between the corresponding positions of the connecting rods, and the distance between the parts of the two clamping pieces below the rotary connection position is smaller than the distance between the corresponding positions of the connecting rods; when the clamping assembly is in a clamping state, the distance between the two clamping pieces is smaller than or equal to the distance between the connecting rods;
when the connecting rod is inserted into the clamping groove to the preset position, the two clamping pieces are opposite to the tubular pile to rotate, and the connecting rod is clamped tightly.
2. The connection structure of tubular pile and prefabricated cushion cap of claim 1, characterized in that the whole clamping assembly is a frustum structure, two clamping members are oppositely arranged at two sides of the axis of the tubular pile and located between the sealing plate and the upper port of the tubular pile, each clamping member is provided with a rotating shaft and a clamping groove, the rotating shaft is rotatably connected with the tubular pile, and the clamping groove is used for accommodating the connecting rod and clamping the connecting rod along with the rotation of the clamping member.
3. The connection structure of tubular pile and prefabricated cushion cap of claim 2, characterized in that, still includes fastening nut, the connecting rod includes clamping part and screw thread portion, clamping part with screw thread portion structure as an organic whole, clamping part sets up a plurality of annular bosss, two all set up in the clamping groove with a plurality of annular grooves that annular boss corresponds, screw thread portion is equipped with the screw thread, with fastening nut connects, the cushion cap is located the tubular pile with between the fastening nut, a plurality of annular groove and a plurality of annular boss are the back taper structure.
4. A tubular pile and precast cap connection structure according to claim 1, further comprising a first concrete filler filled between the closing plate and the upper end of the tubular pile.
5. The tubular pile and precast cap connection structure of claim 1, wherein the clamping assembly further comprises elastic members connected to the two clamping members, respectively, so that the upper ends of the two clamping members are distant from each other.
6. The tubular pile and precast cap of claim 1, wherein a plurality of grouting grooves are formed at a lower side of the cap to pour concrete between the clamping assembly and the tubular pile.
7. The tubular pile and prefabricated cap connection structure of claim 3, further comprising a threaded sleeve, wherein the threaded sleeve is embedded in the cap and penetrates through the cap, and the threaded sleeve is connected with the threaded portion of the connecting rod.
8. The connection structure of a tubular pile and a prefabricated bearing platform according to claim 7, further comprising a second concrete filling layer, wherein the bearing platform is further provided with a protection groove, the fastening nut is arranged in the protection groove, and the second concrete filling layer is filled in the protection groove.
9. A connection structure of a pipe pile and a prefabricated cap according to claim 1, further comprising a cushion layer provided between said pipe pile and said cap.
10. A method for installing and constructing a tubular pile and a pile cap, which uses the connection structure of the tubular pile and a prefabricated pile cap according to any one of claims 1 to 9, comprising the steps of:
A. digging a foundation pit, wherein the depth of the foundation pit is less than or equal to the height of the bearing platform, and the width of the foundation pit is subjected to slope-releasing excavation according to the width of the bearing platform;
B. paving a cushion layer at the bottom of the foundation pit;
C. pressing the tubular pile with the clamping assembly into the reserved position of the foundation pit;
D. connecting the connecting rod with the bearing platform, and enabling the lower end of the connecting rod to protrude out of the lower side of the bearing platform;
E. hoisting the platform to align the connecting rod with the clamping assembly;
F. slowly lowering the bearing platform, gradually inserting the connecting rod into the clamping assembly along with the lowering of the bearing platform, and lowering the bearing platform to a specified position, wherein the clamping assembly clamps the connecting rod;
G. and pouring concrete into a gap between the sealing plate and the upper port of the tubular pile to form a first concrete filling body, and finally, tightly connecting the clamping assembly, the tubular pile and the bearing platform together.
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| CN202111479608.3A CN114045857B (en) | 2021-12-06 | 2021-12-06 | Connecting structure of pipe pile and prefabricated bearing platform and installation and construction method of pipe pile and prefabricated bearing platform |
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| CN114045857B (en) | 2022-12-20 |
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