Pile head waterproof plastering device for cast-in-place concrete pile

Abstract

The utility model discloses a pile head waterproof plastering device for a cast-in-place concrete pile. The pile head waterproof plastering device comprises a first hoop and a second hoop. The first hoop and the second hoop are both concentrically arranged on the outer side of the top end of a pile body of the to-be-plastered cast-in-place pile in a penetrating and sleeving mode, and the first hoop is located below the second hoop; wherein the mounting position of the second hoop is matched with the position of a pile head of the cast-in-place pile to be plastered; the multiple reinforcing assemblies are vertically arranged between the first hoop and the second hoop, and the side faces of the reinforcing assemblies abut against the outer circle face of the top end of a pile body of the to-be-plastered cast-in-place pile. The plurality of fastening assemblies are vertically arranged between the first hoop and the second hoop; the buffer assembly is used for absorbing impact energy between the first hoop and the second hoop; the plastering plate is located above the pile head of the cast-in-place pile to be plastered, and the periphery of the plastering plate is in sliding contact with the inner arc surface of the second hoop; impact force between the top end of the pile body and the pile foundation during plastering operation can be effectively reduced, damage to the pile foundation is avoided, and durability of the pile foundation is guaranteed.

Description

Technical Field

[0001] The utility model belongs to the technical field of concrete cast-in-place pile construction equipment, in particular to a pile head waterproof plastering device for concrete cast-in-place piles. Background Art

[0002] The pile head of a concrete cast-in-place pile refers to the top surface of the pile body, which is used to connect the upper structure after the concrete of the pile body is poured. The design and construction quality of the pile head play a vital role in the stability and bearing capacity of the entire pile foundation project. Therefore, after the concrete pouring of the pile body is completed, it is usually necessary to plaster the concrete surface of the pile head to reduce the unevenness of the pile head, thereby creating good construction conditions for the construction of the pile head waterproof base.

[0003] At present, the pile head is generally treated by iron trowel or special pile head plastering equipment. When the iron trowel is directly used to plaster concrete, the surface is easily rough and uneven, which causes great difficulties for the subsequent pile head waterproofing construction. Special pile head plastering equipment, such as the Chinese patent application "A fixed plastering device for concrete pile head waterproof base" (application number: 202322182787.5), usually needs to use a hoop body and a buckle assembly to fix the pile head, which is easy to cause damage to the pile foundation, and the vibration generated when the equipment is working is easy to affect the internal structure of the pile foundation, greatly reducing the durability of the pile foundation. Utility Model Content

[0004] In view of the technical problems existing in the prior art, the utility model provides a pile head waterproofing plastering device for concrete bored piles to solve the technical problem that when using the existing pile head plastering equipment to perform pile head plastering treatment, the pile foundation is easily damaged, which greatly reduces the durability of the pile foundation.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] The utility model provides a waterproof plastering device for the pile head of a concrete cast-in-place pile, comprising a first hoop, a second hoop, a plurality of reinforcement components, a plurality of fastening components, a plurality of buffer components and a plastering panel;

[0007] The first hoop and the second hoop are both concentrically inserted on the outside of the top of the pile body of the cast-in-place pile to be plastered, and the first hoop is located below the second hoop; wherein the installation position of the second hoop is adapted to the pile head position of the cast-in-place pile to be plastered;

[0008] The plurality of reinforcing components are vertically arranged between the first hoop and the second hoop, and are evenly arranged along the outer circumference of the top end of the pile body of the cast-in-place pile to be plastered, and the side surfaces of the reinforcing components are pressed against the outer circumference of the top end of the pile body of the cast-in-place pile to be plastered;

[0009] The plurality of fastening components are vertically arranged between the first hoop and the second hoop, and are evenly arranged along the outer circumference of the top of the pile body of the pile to be plastered;

[0010] A plurality of buffer components are vertically arranged between the first hoop and the second hoop, and are evenly arranged along the outer circumference of the top of the pile body of the pile to be surfaced; wherein the buffer components are used as energy buffering or absorbing components to absorb the impact energy between the first hoop and the second hoop;

[0011] The plastering panel is located above the pile head of the cast-in-place pile to be plastered, and the four sides of the plastering panel are in sliding contact with the inner arc surface of the second hoop; wherein the plastering panel can rotate horizontally around the center of the pile head of the cast-in-place pile to be plastered, and can move vertically up and down along the axis of the second hoop.

[0012] Furthermore, the reinforcement assembly includes an elastic column, a limiting sleeve and a limiting block;

[0013] The elastic column is vertically arranged between the first hoop and the second hoop; wherein the lower end of the elastic column is connected to the upper end surface of the first hoop, and the upper end of the elastic column is connected to the lower end surface of the second hoop;

[0014] The limiting sleeve is inserted into the outer side of the elastic column, and the limiting block is horizontally arranged between the limiting sleeve and the outer cylindrical surface at the top of the pile body of the cast-in-place pile to be plastered; wherein, one end of the limiting block is fixedly connected to the outer side of the limiting sleeve, and the other end of the limiting block is tightly pressed against the outer cylindrical surface at the top of the pile body of the cast-in-place pile to be plastered.

[0015] Furthermore, the fastening assembly includes a U-shaped fixing block, a clamping block, a telescopic rod and a plug-in rod;

[0016] The U-shaped fixing block is vertically arranged between the first hoop and the second hoop, and the bottom end of the U-shaped fixing block is connected to the upper end surface of the first hoop; the top end of the U-shaped fixing block is an open end and extends toward the lower end surface of the second hoop;

[0017] The clamping block is arranged at the open end of the U-shaped fixing block and is vertically slidably connected to both sides of the open end of the U-shaped fixing block; the telescopic rod is vertically arranged below the lower end surface of the second hoop, the upper end of the telescopic rod is hinged to the lower end surface of the second hoop, and the lower end of the telescopic rod is connected to the top surface of the clamping block;

[0018] The plug-in rods are horizontally inserted between the U-shaped fixing block and the clamping block in sequence to lock and fix the two side walls of the opening end of the U-shaped fixing block and the clamping block together.

[0019] Furthermore, the fastening assembly also includes a fixing cap; the fixing cap is inserted and fixed at the insertion end of the plug-in rod along the radial direction of the plug-in rod, and both ends of the fixing cap extend to the outside of the surface of the plug-in rod.

[0020] Furthermore, the buffer assembly includes a buffer column, a buffer spring and a threaded cap;

[0021] The buffer column is vertically arranged between the first hoop and the second hoop, the bottom end of the buffer column is fixedly connected to the first hoop, and the top end of the buffer column passes through the second hoop and extends to the outer side of the upper end of the second hoop;

[0022] The buffer spring is sleeved on the outside of the buffer column and elastically arranged between the first hoop and the second hoop; the threaded cap is located above the upper end surface of the second hoop and is cooperatively sleeved on the outside of the extended end of the buffer column.

[0023] Furthermore, an annular groove is provided on the inner circular surface of the second hoop, and the wiper panel is a circular plate-like structure; wherein the upper end surface of the annular groove extends toward one side of the upper end surface of the second hoop, and the lower end surface of the annular groove extends toward one side of the lower end surface of the second hoop; the outer edge end of the wiper panel is fitted in the annular groove of the second hoop, and the outer edge end of the wiper panel is in smooth contact with the surface of the annular groove.

[0024] Furthermore, a plurality of overflow holes are evenly opened on the wipe panel, and the plurality of overflow holes are evenly arranged along the circumference of the wipe panel; wherein the upper end of the overflow hole is connected with the upper surface of the wipe panel, and the lower end of the overflow hole is connected with the lower surface of the wipe panel.

[0025] Furthermore, it also includes a handle mechanism; the handle mechanism is vertically arranged at the center of the upper surface of the plastering panel, and is used to drive the plastering panel to rotate horizontally around the center of the pile head of the cast-in-place pile to be plastered.

[0026] Furthermore, the handle mechanism comprises a connecting block, a connecting rod and a handle body which are sequentially connected from bottom to top; wherein the lower end of the connecting block is fixedly connected to the center of the upper surface of the wipe panel.

[0027] Compared with the prior art, the beneficial effects of the utility model are:

[0028] The utility model provides a pile head waterproof plastering device for concrete bored piles, wherein a first hoop and a second hoop are concentrically inserted and sleeved on the outer side of the pile body top of the bored pile to be plastered, and the first hoop and the second hoop are connected to form a device base by using a fastening component vertically arranged between the first hoop and the second hoop; the side surface of the reinforcing component and the outer circular surface of the pile body top of the bored pile to be plastered are pressed against each other to realize the fixed connection between the device base and the pile body top; the surrounding of the plastering panel is slidably contacted with the inner circular arc surface of the second hoop, and the waterproof plastering treatment of the pile head is realized by the up-and-down movement and horizontal rotation of the plastering panel; the utility model arranges a buffer component between the first hoop and the second hoop, and utilizes the buffer component to absorb the impact energy between the first hoop and the second hoop, so as to effectively reduce the impact force between the bored pile to be plastered and the pile foundation, avoid damage to the pile foundation, and effectively ensure the durability of the pile foundation.

[0029] Furthermore, the reinforcement component is composed of a combination of elastic columns, limit sleeves and limit blocks. The deformation ability of the elastic columns can effectively ensure that the entire device remains stable during the plastering operation, avoiding shaking or displacement of the device base, thereby ensuring construction quality.

[0030] Furthermore, the fastening assembly adopts a combination of a U-shaped fixing block, a clamping block and a telescopic rod, and uses a plug-in rod to connect the clamping block to the U-shaped fixing block, thereby realizing the detachable function of the fastening assembly, and then realizing the detachable connection between the first hoop and the second hoop in the device base, which is convenient for the installation and disassembly of the device base; at the same time, by setting the telescopic rod and sliding the clamping block at the open end of the U-shaped fixing block, it is possible to adjust the vertical spacing between the first hoop and the second hoop, which can adapt to the different finishing requirements of bored piles of different specifications, thereby improving the scope of use of the device.

[0031] Furthermore, by providing a fixing cap at the insertion end of the plug-in rod, the plug-in rod is prevented from being separated from between the U-shaped fixing block and the clamping block, thereby ensuring the reliability of the fastening assembly and further ensuring the reliable connection between the first hoop and the second hoop.

[0032] Furthermore, a buffer column is arranged in the buffer assembly, and a buffer spring is inserted into the outer side of the buffer column. Through the deformation of the buffer spring, the impact force directly transmitted to the pile foundation is reduced, thereby reducing the risk of the pile base being damaged due to frequent strong impacts, thereby effectively absorbing or reducing the impact force between the bored piles to be plastered and the pile foundation, ensuring that the pile foundation structure is not affected by external vibrations, thereby extending the service life of the pile foundation.

[0033] Furthermore, by providing an overflow hole on the plastering panel, it is possible to ensure that water or air generated at the pile head during the plastering process can overflow, thereby improving the plastering treatment effect.

[0034] Furthermore, by providing a handle mechanism and utilizing the handle mechanism to drive the wiping panel to move, the wiping efficiency is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0036] Figure 1 It is a schematic diagram of the overall structure of the pile head waterproof plastering device described in the utility model;

[0037] Figure 2 for Figure 1 A local enlarged schematic diagram of the middle A;

[0038] Figure 3 It is a front view of the pile head waterproof plastering device described in the utility model;

[0039] Figure 4 It is a structural schematic diagram of the second hoop, the reinforcement component, the fastening component, the buffer component and the wiping panel in the utility model;

[0040] Figure 5 It is a structural schematic diagram of the fastening assembly in the utility model.

[0041] Among them, 100 is a cast-in-place pile to be plastered; 1 is a first hoop, 2 is a second hoop, 3 is a reinforcement component, 4 is a fastening component, 5 is a buffer component, 6 is a plastering panel, 7 is a handle mechanism; 31 is an elastic column, 32 is a limit sleeve, 33 is a limit block; 41 is a U-shaped fixing block, 42 ​​is a clamping block, 43 is a movable rod, 44 is a plug-in rod, 45 is a fixing cap; 51 is a buffer column, 52 is a buffer spring, 53 is a threaded cap; 61 is an overflow hole; 71 is a connecting block, 72 is a connecting rod, 73 is a handle body. DETAILED DESCRIPTION

[0042] In order to make the technical problems, technical solutions and beneficial effects solved by this application clearer, the technical solutions in the embodiments of this application will be described clearly and completely in combination with the drawings in the embodiments of this application; obviously, the described embodiments are only part of the embodiments of this application, not all of them. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0043] As attached Figure 1-5As shown, the utility model provides a pile head waterproof plastering device for concrete bored piles, comprising a first hoop 1, a second hoop 2, a plurality of reinforcement components 3, a plurality of fastening components 4, a plurality of buffer components 5, a plastering panel 6 and a handle mechanism 7.

[0044] The first hoop 1 and the second hoop 2 are both concentrically inserted into the outer side of the top of the pile body of the cast-in-place pile 100 to be plastered, and the first hoop 1 and the second hoop 2 are both annular structures, and the inner diameters of the first hoop 1 and the second hoop 2 are larger than the outer diameter of the pile body of the cast-in-place pile 100 to be plastered; wherein, the first hoop 1 is located below the second hoop 2, and the installation position of the second hoop 2 is adapted to the pile head position of the cast-in-place pile 100 to be plastered.

[0045] The plurality of reinforcing components 3, the plurality of fastening components 4 and the plurality of buffer components 5 are vertically arranged between the first hoop 1 and the second hoop 2, and are evenly arranged along the outer circumference of the top of the pile body of the bored pile 100 to be plastered; wherein the lower end of the reinforcing component 3, the lower end of the fastening component 4 and the lower end of the buffer component 5 are all connected to the first hoop 1, the upper end of the reinforcing component 3, the upper end of the fastening component 4 and the upper end of the buffer component 5 are all connected to the second hoop 2, and the reinforcing component 3, the upper end of the fastening component 4 and the upper end of the buffer component 5 are all connected to the second hoop 2, and the reinforcing component 3, the upper end of the fastening component 4 and the upper end of the buffer component 5 are all connected to the second hoop 2, and the reinforcing component 3, the lower ... The component 3, the fastening component 4 and the buffer component 5 are arranged at intervals; the side surface of the reinforcing component 3 is pressed against the outer cylindrical surface of the pile body top of the pile 100 to be plastered, so as to fix the first hoop 1 and the second hoop 2 at the top of the pile body of the pile 100 to be plastered; the fastening component 4 is used to connect the first hoop 1 and the second hoop 2 as a whole to form a device base; the buffer component 5, as an energy buffer or absorption component, is used to absorb the impact energy between the first hoop 1 and the second hoop 2.

[0046] The wiping panel 6 is located above the pile head of the cast-in-place pile 100 to be plastered, and the four sides of the wiping panel 6 are in sliding contact with the inner arc surface of the second sleeve 2; wherein, the lower surface of the wiping panel 6 is in close contact with the pile head of the cast-in-place pile 100 to be plastered, and the wiping panel 6 can rotate horizontally around the center of the pile head of the cast-in-place pile 100 to be plastered, and can move vertically up and down along the axis of the second sleeve 2; the handle mechanism 7 is vertically arranged at the center of the upper surface of the wiping panel 6, and is used to drive the wiping panel 6 to rotate horizontally around the center of the pile head of the cast-in-place pile 100 to be plastered.

[0047] In the present utility model, the reinforcement component 3 includes an elastic column 31, a limiting sleeve 32 and a limiting block 33. The elastic column 31 is vertically arranged between the first hoop 1 and the second hoop 2; the lower end of the elastic column 31 is connected to the upper end surface of the first hoop 1, and the upper end of the elastic column 31 is connected to the lower end surface of the second hoop 2; the limiting sleeve 32 is inserted into the outer side of the elastic column 31, and the limiting block 33 is horizontally arranged between the limiting sleeve 32 and the top outer cylindrical surface of the pile body of the cast-in-place pile 100 to be plastered; wherein, one end of the limiting block 33 is fixedly connected to the outer side of the limiting sleeve 32, and the other end of the limiting block 33 is pressed against the top outer cylindrical surface of the pile body of the cast-in-place pile 100 to be plastered.

[0048] In the present invention, the elastic column 31 is vertically arranged between the first hoop 1 and the second hoop 2, and the limit block 33 is horizontally arranged between the limit sleeve 32 and the outer cylindrical surface of the pile body of the bored pile 100 to be plastered, so as to realize the fixed connection between the device base and the pile body of the bored pile 100 to be plastered, so as to ensure that the whole device remains stable during the plastering operation without shaking or shifting, thereby ensuring the construction quality; it should be noted that by arranging the elastic column 31, the elastic deformation ability of the elastic column 31 is utilized, so that the elastic column 31 is elastically deformed when it is squeezed or stretched by external force, and the elastic deformation is improved. The base of the device is tightly fixed to the cast-in-place pile 100 to be plastered; during the plastering construction process, when encountering collision or vibration, the elastic deformation of the elastic column 31 can also play a buffering role to protect the waterproof plastering device and the pile body; at the same time, it can be matched with different pile body specifications, and the elastic column 31 can be compressed or stretched according to the shape and size of the pile body to better fit the pile body and adapt to the actual conditions of different pile bodies; secondly, through the combination of elastic columns, limit sleeves and limit blocks, the stability and bearing capacity of the device can be increased, and the device can be effectively prevented from being deformed or damaged during use.

[0049] In the utility model, the fastening assembly 4 includes a U-shaped fixing block 41, a clamping block 42, a telescopic rod 43, a plug-in rod 44 and a fixing cap 45. The U-shaped fixing block 41 is vertically arranged between the first hoop 1 and the second hoop 2; the bottom end of the U-shaped fixing block 41 is connected to the upper end surface of the first hoop 1, and the top end of the U-shaped fixing block 41 is an open end and extends toward the lower end surface of the second hoop 2.

[0050] Specifically, the U-shaped fixing block 41 includes a horizontal section and two vertical sections, the horizontal section is horizontally arranged above the upper end surface of the first hoop 1, and the lower side of the horizontal section is fixedly connected to the upper end surface of the first hoop 1; the two vertical sections are vertically and parallelly arranged at the upper ends of the horizontal section, the lower end of the vertical section is vertically connected to the upper end of the horizontal section, and the upper end of the vertical section extends toward the lower end surface of the second hoop 2.

[0051] The clamping block 42 is arranged at the open end of the U-shaped fixing block 41 and is vertically slidably connected on both sides of the open end of the U-shaped fixing block 41; wherein, one side of the clamping block 42 is slidably connected to the side of one of the vertical segments, and the other side of the clamping block 42 is slidably connected to the side of the other vertical segment; the telescopic rod 43 is vertically arranged below the lower end surface of the second hoop 2, the upper end of the telescopic rod 43 is hinged to the lower end surface of the second hoop 2, and the lower end of the telescopic rod 43 is connected to the top surface of the clamping block 42.

[0052] The plug-in rod 44 is horizontally inserted between the U-shaped fixing block 41 and the clamping block 42 in sequence to lock and fix the two side walls of the open end of the U-shaped fixing block 41 and the clamping block 42 together; specifically, a first through hole is provided on the vertical section, and a second through hole is provided in the clamping block 42; the first through hole and the second through hole are both horizontally arranged and interconnected; the plug-in rod 44 is sequentially inserted into the first through hole of one of the vertical sections, the second through hole and the first through hole of the other vertical section to connect the clamping block 42 and the U-shaped fixing block 41 together through the plug-in rod 44; the U-shaped fixing block 41 and the clamping block 42 are plugged and fixed by the plug-in rod 44, so as to realize the detachable fixed connection between the first hoop 1 and the second hoop 2, which is convenient for the installation and disassembly of the device base.

[0053] The fixing cap 45 is inserted and fixed at the insertion end of the plug-in rod 44 along the radial direction of the plug-in rod 44, and both ends of the fixing cap 45 extend to the outside of the surface of the plug-in rod 44. By arranging the fixing cap 45 at the insertion end of the plug-in rod 44, the plug-in rod 44 is prevented from being separated from between the U-shaped fixing block 41 and the clamping block 42, thereby ensuring the reliability of the fastening assembly 4, and further ensuring the reliable connection between the first hoop 1 and the second hoop 2.

[0054] In the utility model, the buffer assembly 5 includes a buffer column 51, a buffer spring 52 and a threaded cap 53, the buffer column 51 is vertically arranged between the first hoop 1 and the second hoop 2; the bottom end of the buffer column 51 is fixedly connected to the first hoop 1, and the top end of the buffer column 51 passes through the second hoop 2 and extends to the outer side of the upper end of the second hoop 2; wherein, the second hoop 2 is in smooth contact with the second hoop 2; the buffer spring 52 is sleeved on the outer side of the buffer column 51 and is elastically arranged between the first hoop 1 and the second hoop 2; the threaded cap 53 is located above the upper end surface of the second hoop 2, and is cooperatively sleeved on the outer side of the extended end of the buffer column 51.

[0055] It should be noted that during the construction or use process, the waterproof plastering device may be subjected to some external impact or vibration. The buffer column and buffer spring can absorb and disperse the impact or vibration energy, reduce the impact force directly transmitted to the pile foundation, and reduce the risk of the pile foundation being damaged due to frequent strong impacts. Therefore, by setting the buffer column 51 and the buffer spring 52, the impact energy between the first hoop and the second hoop can be absorbed, so as to effectively reduce the impact force between the pile body and the foundation, protect the pile foundation structure from external vibration, and extend the service life of the pile foundation.

[0056] In the present invention, the wipe panel 6 is a circular plate-shaped structure, and an annular groove is arranged on the inner circular surface of the second hoop 2; specifically, the annular groove extends toward the upper and lower ends of the second hoop 2 along the long axis direction of the inner circular surface of the second hoop 2, the upper end surface of the annular groove extends toward one side of the upper end surface of the second hoop 2, and the lower end surface of the annular buffer extends toward one side of the lower end surface of the second hoop 2; the outer edge end of the wipe panel 6 is cooperatedly arranged in the annular groove of the second hoop 2, and the outer edge end of the wipe panel 6 is in smooth contact with the surface of the annular groove; it should be noted that the wipe panel 6 can be moved along the surface of the annular groove The surface can rotate horizontally in the circumferential direction, and can move vertically up and down along the axial direction of the surface of the annular slide groove to realize the plastering operation on the pile head; a plurality of overflow holes 61 are evenly opened on the plastering panel 6, and the plurality of overflow holes 61 are evenly arranged along the circumference of the plastering panel 6. The overflow holes 61 are used to discharge the air and excess moisture in the concrete at the top of the pile body, ensuring the overflow of water or air generated at the pile head during the plastering process, thereby improving the effect of the plastering treatment, thereby improving the density and surface quality of the concrete; wherein, the upper end of the overflow hole 61 is connected with the upper surface of the plastering panel 6, and the lower end of the overflow hole 61 is connected with the lower surface of the plastering panel 6.

[0057] In the utility model, the handle mechanism 7 includes a connecting block 71, a connecting rod 72 and a handle body 73 which are sequentially connected from bottom to top; the lower end of the connecting block 71 is fixedly connected to the center of the upper surface of the wiping panel 6, the lower end of the connecting rod 72 is connected to the upper end of the connecting block 71, and the upper end of the connecting block 72 is connected to the handle body 73; by arranging the handle mechanism 7 at the center of the upper surface of the wiping panel 6, the handle mechanism 7 is used to drive the wiping panel to move, thereby improving the wiping efficiency.

[0058] Working principle:

[0059] The waterproof plastering device for the pile head of the concrete cast-in-place pile described in the utility model is specifically as follows when in use:

[0060] When the construction of the pipe pile is completed, the first hoop 1 and the second hoop 2 are sequentially inserted into the outer side of the top of the pile body of the bored pile 100, and the position of the block 42 is adjusted so that the block 42 moves to the preset position of the opening end of the U-shaped fixing block 41; thereafter, the U-shaped fixing block 41 and the block 42 are connected together by using the plug-in rod 44 and the fixing cap 45, so that the first hoop 1 and the second hoop 2 are connected as a whole; then, the plastering panel 6 is installed in the annular slide groove 2 of the second hoop 2, and the lower surface of the plastering panel 6 is in contact with the surface of the pile head; when plastering, the plastering panel 6 is driven by the handle mechanism 7 to rotate downward or horizontally to compact and smooth the pile head; wherein, the buffer spring 52 is connected to the surface of the buffer column 51, and then the two ends of the buffer spring 52 are respectively connected to the first hoop 1 and the second hoop 2, which can reduce the impact force between the pile head and the foundation.

[0061] In the utility model, the fastening assembly, the reinforcement assembly and the buffer assembly cooperate with each other, which is conducive to fixing and smoothing the pile head, facilitating installation and maintenance, and saving engineering costs and construction time; specifically, the first hoop and the second hoop are connected to form a device base by using a fastening assembly vertically arranged between the first hoop and the second hoop; the fastening assembly adopts a combined structure of a U-shaped fixed block, a clamping block, a movable rod, a plug-in rod and a fixing cap, the clamping block is moved to a position where it can be connected with the fixed block, one end of the plug-in rod is passed through the fixed block and the clamping block is connected with the fixing cap, and the device base can be effectively fixed; the side of the reinforcement assembly is pressed against the outer cylindrical surface of the top of the pile body of the cast-in-place pile to be smoothed, so as to realize the fixed connection between the device base and the top of the pile body; the reinforcement assembly adopts a combined structure of an elastic column, a limit sleeve and a limit block, which can increase the stability and bearing capacity of the device and effectively prevent the pile foundation from being deformed or damaged during use; the buffer assembly can reduce the impact force between the pile head and the foundation through the combination of a buffer column and a buffer spring, protect the pile foundation structure from external vibration, and extend the service life of the pile foundation.

[0062] The above embodiment is only one of the implementation methods that can realize the technical solution of the utility model. The scope of protection required by the utility model is not limited only to this embodiment, but also includes within the technical scope disclosed by the utility model, any changes, replacements and other implementation methods that can be easily thought of by any technician familiar with the technical field.

Claims

1. A waterproof plastering device for the pile head of a concrete cast-in-place pile, characterized in that: It comprises a first hoop (1), a second hoop (2), a plurality of reinforcing components (3), a plurality of fastening components (4), a plurality of buffer components (5) and a wiping panel (6); The first hoop (1) and the second hoop (2) are both concentrically inserted on the outside of the top of the pile body of the bored pile (100) to be plastered, and the first hoop (1) is located below the second hoop (2); wherein the installation position of the second hoop (2) is adapted to the pile head position of the bored pile (100) to be plastered; The plurality of reinforcing components (3) are vertically arranged between the first hoop (1) and the second hoop (2), and are evenly arranged along the outer circumference of the top end of the pile body of the cast-in-place pile (100) to be plastered, and the side surfaces of the reinforcing components (3) are pressed against the outer circumference of the top end of the pile body of the cast-in-place pile (100) to be plastered; The plurality of fastening components (4) are vertically arranged between the first hoop (1) and the second hoop (2), and are evenly arranged along the outer circumference of the top of the pile body of the bored pile (100) to be plastered; A plurality of the buffer components (5) are vertically arranged between the first hoop (1) and the second hoop (2), and are evenly arranged along the outer circumference of the top of the pile body of the bored pile (100) to be plastered; wherein the buffer components (5) are used as energy buffering or absorbing components to absorb the impact energy between the first hoop (1) and the second hoop (2); The plastering panel (6) is located above the pile head of the cast-in-place pile (100) to be plastered, and the periphery of the plastering panel (6) is in sliding contact with the inner arc surface of the second sleeve (2); wherein the plastering panel (6) can rotate horizontally around the center of the pile head of the cast-in-place pile (100) to be plastered, and can move vertically up and down along the axis of the second sleeve (2).

2. A waterproof plastering device for pile head of concrete bored pile according to claim 1, characterized in that: The reinforcement component (3) comprises an elastic column (31), a limiting sleeve (32) and a limiting block (33); The elastic column (31) is vertically arranged between the first hoop (1) and the second hoop (2); wherein the lower end of the elastic column (31) is connected to the upper end surface of the first hoop (1), and the upper end of the elastic column (31) is connected to the lower end surface of the second hoop (2); The limiting sleeve (32) is sleeved on the outside of the elastic column (31), and the limiting block (33) is horizontally arranged between the limiting sleeve (32) and the outer circular surface at the top of the pile body of the cast-in-place pile (100) to be plastered; wherein one end of the limiting block (33) is fixedly connected to the outside of the limiting sleeve (32), and the other end of the limiting block (33) is tightly pressed against the outer circular surface at the top of the pile body of the cast-in-place pile (100) to be plastered.

3. A waterproof plastering device for pile head of concrete bored pile according to claim 1, characterized in that: The fastening assembly (4) comprises a U-shaped fixing block (41), a clamping block (42), a telescopic rod (43) and a plug-in rod (44); The U-shaped fixing block (41) is vertically arranged between the first hoop (1) and the second hoop (2), and the bottom end of the U-shaped fixing block (41) is connected to the upper end surface of the first hoop (1); the top end of the U-shaped fixing block (41) is an open end and extends toward the lower end surface of the second hoop (2); The clamping block (42) is arranged at the open end of the U-shaped fixing block (41) and is vertically slidably connected to both sides of the open end of the U-shaped fixing block (41); the telescopic rod (43) is vertically arranged below the lower end surface of the second hoop (2); the upper end of the telescopic rod (43) is hinged to the lower end surface of the second hoop (2), and the lower end of the telescopic rod (43) is connected to the top surface of the clamping block (42); The plug-in rods (44) are inserted horizontally and sequentially between the U-shaped fixing block (41) and the clamping block (42) to lock and fix the two side walls of the opening end of the U-shaped fixing block (41) and the clamping block (42) together.

4. A waterproof plastering device for pile head of concrete bored pile according to claim 3, characterized in that: The fastening assembly (4) further comprises a fixing cap (45); the fixing cap (45) is inserted and fixed at the insertion end of the plug-in rod (44) along the radial direction of the plug-in rod (44), and both ends of the fixing cap (45) extend to the outside of the surface of the plug-in rod (44).

5. A waterproof plastering device for pile head of concrete bored pile according to claim 1, characterized in that: The buffer assembly (5) comprises a buffer column (51), a buffer spring (52) and a threaded cap (53); The buffer column (51) is vertically arranged between the first hoop (1) and the second hoop (2); the bottom end of the buffer column (51) is fixedly connected to the first hoop (1); the top end of the buffer column (51) passes through the second hoop (2) and extends to the outer side of the upper end of the second hoop (2); The buffer spring (52) is sleeved on the outside of the buffer column (51) and is elastically arranged between the first hoop (1) and the second hoop (2); the threaded cap (53) is located above the upper end surface of the second hoop (2) and is cooperatively sleeved on the outside of the extended end of the buffer column (51).

6. A waterproof plastering device for pile head of concrete bored pile according to claim 1, characterized in that: An annular groove is arranged on the inner circular surface of the second hoop (2), and the wiper panel (6) is a circular plate-shaped structure; wherein the upper end surface of the annular groove extends toward the upper end surface of the second hoop (2), and the lower end surface of the annular groove extends toward the lower end surface of the second hoop (2); the outer edge end of the wiper panel (6) is arranged in the annular groove of the second hoop (2), and the outer edge end of the wiper panel (6) is in smooth contact with the surface of the annular groove.

7. A waterproof plastering device for pile head of concrete bored pile according to claim 6, characterized in that: A plurality of overflow holes (61) are evenly arranged on the wipe panel (6), and the plurality of overflow holes (61) are evenly arranged along the circumference of the wipe panel (6); wherein the upper ends of the overflow holes (61) are connected to the upper surface of the wipe panel (6), and the lower ends of the overflow holes (61) are connected to the lower surface of the wipe panel (6).

8. A waterproof plastering device for pile head of concrete bored pile according to claim 1, characterized in that: It also comprises a handle mechanism (7); the handle mechanism (7) is vertically arranged at the center of the upper surface of the plastering panel (6) and is used to drive the plastering panel (6) to rotate horizontally around the center of the pile head of the bored pile (100) to be plastered.

9. A waterproof plastering device for pile head of concrete bored pile according to claim 8, characterized in that: The handle mechanism (7) comprises a connecting block (71), a connecting rod (72) and a handle body (73) which are sequentially connected from bottom to top; wherein the lower end of the connecting block (71) is fixedly connected to the center of the upper surface of the wipe panel (6).

Images