Framework for pouring squeezed branch pile

Abstract

The utility model provides a framework for pouring squeezed and expanded branch piles, belongs to the technical field of squeezed and expanded devices for pile foundations, and comprises a prefabricated column, a connecting sleeve, a squeezing and expanding device and a limiting piece, the connecting sleeve is arranged on the prefabricated column in a sliding and sleeving mode and can rotate relative to the prefabricated column, and the limiting piece is arranged on the connecting sleeve. The upper end of the connecting sleeve is used for being connected with an external rotating mechanism, the squeezing and expanding device is arranged on a prefabricated column in a sliding and sleeving mode and located below the connecting sleeve, the lower end of the connecting sleeve is connected with the squeezing and expanding device, the connecting sleeve drives the squeezing and expanding device to rotate so that a cavity for containing a squeezing and expanding branch pile disc body can be formed in the circumferential direction of a pile hole, and the limiting piece is arranged on the squeezing and expanding device. The limiting piece fixes the squeezing and expanding device to a preset position on the prefabricated column by limiting relative sliding of the squeezing and expanding device and the prefabricated column. According to the framework for pouring the squeezed and expanded branch pile, the position of a disc body on the squeezed and expanded branch pile formed after pouring can be adjusted according to an actual application scene.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the extrusion device for pile foundation technical field, more specifically, relate to a kind of for pouring extruded support disc pile architecture. BACKGROUND

[0002] As a widely used pile type, the extruded support disc pile is provided with a support disc structure at a specific position of the pile body to significantly improve the bearing capacity of the pile. In the existing process, the formation of the disc body of the extruded support disc pile is usually completed by means of a punching device. Specifically, the construction personnel need to use the punching device in advance to determine the position of the support disc in the pre-drilled hole according to the design requirements, and then perform subsequent concrete pouring operation. After the concrete solidifies and forms, the support disc structure is formed.

[0003] The existing manufacturing method limits the position of the disc body of the extruded support disc pile in advance, and it is difficult to adjust it arbitrarily according to the complex geological conditions in actual engineering, the change of load distribution of the upper structure and other factors. In actual engineering, the geological conditions of different sites differ greatly. For example, there may be local weak layers or hard inclusions in the stratum. If the fixed disc body position setting method is used, the support disc may not be in the most favorable bearing position, thereby affecting the full play of the overall bearing performance of the extruded support disc pile. SUMMARY

[0004] The utility model aims to provide a kind of for pouring extruded support disc pile architecture, to solve the problem that the disc body position of the existing extruded support disc pile is difficult to adjust arbitrarily.

[0005] To achieve the above-mentioned purpose, the utility model adopts the technical scheme of providing a kind of for pouring extruded support disc pile architecture, comprising:

[0006] A precast column is used for inserting in a pre-punched pile hole.

[0007] A connecting sleeve is slidably sleeved on the precast column and can rotate relative to the precast column. The upper end of the connecting sleeve is used to connect with the rotating mechanism of the external device.

[0008] An extruder is slidably sleeved on the precast column and located below the connecting sleeve. The lower end of the connecting sleeve is connected with the extruder. The connecting sleeve drives the rotation of the extruder to form a cavity for accommodating the disc body of the extruded support disc pile in the circumferential direction of the pile hole.

[0009] A limiting piece is arranged on the extruder. The limiting piece limits the relative sliding of the extruder and the precast column to fix the extruder at a predetermined position on the precast column.

[0010] In a possible implementation, the expander comprises:

[0011] an upper sleeve, slidingly sleeved on the precast column;

[0012] a lower sleeve, slidingly sleeved on the precast column and located below the upper sleeve, the limiting member being connected to the lower sleeve;

[0013] an expander plate set, comprising an upper plate body and a lower plate body, the upper end of the upper plate body being hinged to the upper sleeve, the lower end of the lower plate body being hinged to the lower sleeve, the lower end of the upper plate body and the upper end of the lower plate body being hinged to each other;

[0014] the upper sleeve moving towards the lower sleeve to drive the upper plate body and the lower plate body to rotate outwardly and into the soil around the pile hole, the upper sleeve and the lower sleeve each being provided with a connecting portion for connecting the connecting sleeve, the connecting sleeve driving the upper sleeve and the lower sleeve to rotate to cut the soil and form a cavity for accommodating the disc body of the squeezed disc pile.

[0015] In a possible implementation, the limiting member is a ring seat slidingly sleeved on the precast column, the ring seat being rotationally connected to the lower sleeve through an axial bearing and being movably connected to the precast column through a bolt.

[0016] In a possible implementation, the upper plate body and the lower plate body are located in the same longitudinal plane.

[0017] In a possible implementation, the number of the expander plate sets is multiple, and the multiple expander plate sets are arranged around the periphery of the upper sleeve and the lower sleeve.

[0018] In a possible implementation, the connecting portion comprises a first hole provided on the outer sidewall of the upper sleeve and a second hole provided on the outer sidewall of the lower sleeve, and the connecting sleeve is provided with a bolt for plug-in cooperation with the first hole and the second hole.

[0019] In a possible implementation, the connecting sleeve is provided with an adjusting assembly for adjusting the operating state of the bolt, the adjusting assembly comprising:

[0020] a first block provided on the lower end sidewall of the connecting sleeve, the middle part of the first block being provided with a sliding groove along the radial direction of the connecting sleeve, the bolt being slidingly arranged in the sliding groove, and the sidewall of the connecting sleeve being provided with a clearance hole for the bolt to pass through corresponding to the sliding groove;

[0021] A spring is arranged in the sliding groove and connected between the first block and the plug for driving the plug to move inwardly in the connecting sleeve;

[0022] A second block is arranged on the upper end side wall of the connecting sleeve, an adjusting screw is arranged through the second block, and the adjusting screw is threadedly connected with the second block;

[0023] A pull rope is connected with the adjusting screw at one end and penetrates through the first block and the plug at the other end;

[0024] The adjusting screw is rotated to move upwardly, the plug is driven to move outwardly by the pull rope, the plug is accommodated in the sliding groove, the adjusting screw is rotated to move downwardly, and the spring drives the plug to move inwardly to be inserted and matched with the first hole body or the second hole body.

[0025] In a possible implementation, the first block comprises an upper block and a lower block arranged in sequence, the plug in the upper block is a first pin body, the plug in the lower block is a second pin body, the first pin body is used for being inserted and matched with the first hole body, the second pin body is used for being inserted and matched with the second hole body, the adjusting screw comprises a first screw and a second screw, and the pull rope comprises a first rope body and a second rope body.

[0026] In a possible implementation, the number of the connecting parts is corresponding to the number of the adjusting assemblies, and is not less than two.

[0027] In a possible implementation, the lower end of the connecting sleeve is provided with a reduced diameter section, the inner diameter of the reduced diameter section is greater than the outer diameters of the upper sleeve ring and the lower sleeve ring, the first block is arranged on the reduced diameter section, and the circumferential wall of the reduced diameter section is provided with a longitudinal groove for avoiding the extruded plate group.

[0028] The framework for pouring the extruded supporting disc pile has the advantages that, compared with the prior art, the framework for pouring the extruded supporting disc pile can limit the extruder at a predetermined position on the prefabricated column through the limiting piece arranged on the extruder, and then the extruder can be driven by the connecting sleeve to form a cavity for accommodating the disc body of the extruded supporting disc pile at the predetermined position of the circumferential soil body of the pile hole, so that the position of the disc body on the extruded supporting disc pile formed after pouring can be adjusted according to the actual application scene. BRIEF DESCRIPTION OF DRAWINGS

[0029] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.

[0030] Figure 1 A three-dimensional structure schematic diagram of the framework for pouring the squeezed expanded branch disc pile is provided for the embodiments of the present application.

[0031] Figure 2 A connection structure schematic diagram of the connecting sleeve and the upper sleeve ring or the lower sleeve ring is provided for the embodiments of the present application.

[0032] Explanation of reference signs:

[0033] 1, prefabricated column; 2, connecting sleeve; 201, longitudinal slot; 202, reduced diameter section; 203, avoiding hole; 3, extruder; 31, upper sleeve ring; 311, first hole body; 32, lower sleeve ring; 321, second hole body; 33, extrusion plate group; 331, upper plate body; 332, lower plate body; 4, ring seat; 51, first block; 510, sliding groove; 511, upper block; 512, lower block; 52, second block; 53, adjusting bolt; 531, first bolt; 532, second bolt; 54, pull rope; 541, first rope body; 542, second rope body; 55, spring; 6, bolt; 61, first pin body; 62, second pin body. DETAILED DESCRIPTION

[0034] In order to make the technical problems, technical solutions and beneficial effects of the present application more clearly understood, the following will further describe the present application in combination with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application, and are not used to limit the present application.

[0035] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0036] It should be understood that the terms "length", "width", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate directions or positions based on the directions or positions shown in the drawings, and are used only for the purpose of facilitating the description of the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0037] In addition, the terms "first", "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined as "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0038] Please refer to Figure 1 Now a kind of architecture for pouring extruded support disc pile provided by the utility model will be described. The architecture for pouring extruded support disc pile, comprising prefabricated column 1, connecting sleeve 2, extruder 3 and limiting piece, wherein, prefabricated column 1 is used for inserting in pre-punched pile hole, connecting sleeve 2 is slidably sleeved on prefabricated column 1 and can rotate relative to prefabricated column 1, the upper end of connecting sleeve 2 is used for connecting with the rotating mechanism of external device, extruder 3 is slidably sleeved on prefabricated column 1 and located below connecting sleeve 2, the lower end of connecting sleeve 2 is connected with extruder 3, connecting sleeve 2 drives extruder 3 to rotate to form the cavity accommodating the disc body of extruded support disc pile in the circumferential direction of pile hole, limiting piece is arranged on extruder 3, limiting piece limits the relative sliding of extruder 3 and prefabricated column 1 to fix extruder 3 at the preset position on prefabricated column 1.

[0039] The architecture for pouring extruded support disc pile provided by the utility model compared with prior art, limiting piece arranged on extruder 3 can limit extruder 3 at the predetermined position on prefabricated column 1, and then extruder 3 can be driven by connecting sleeve 2 to form the cavity accommodating the disc body of extruded support disc pile at the predetermined position of circumferential soil body of pile hole, so that the position of disc body on extruded support disc pile formed after pouring can be adjusted according to actual application scene.

[0040] In some embodiments, please refer to Figures 1 to 2The extruder 3 comprises an upper sleeve 31, a lower sleeve 32 and an extrusion plate set 33. The upper sleeve 31 is sleeved on the precast column 1, the lower sleeve 32 is sleeved on the precast column 1 below the upper sleeve 31, a limiting member is connected to the lower sleeve 32, the extrusion plate set 33 comprises an upper plate body 331 and a lower plate body 332, the upper end of the upper plate body 331 is hinged to the upper sleeve 31, the lower end of the lower plate body 332 is hinged to the lower sleeve 32, the lower end of the upper plate body 331 and the upper end of the lower plate body 332 are hinged to each other. In application, the upper plate body 331 and the lower plate body 332 are driven to rotate outward by pushing the upper sleeve 31 to move downward to the lower sleeve 32, and are extruded into the soil around the pile hole. The upper sleeve 31 and the lower sleeve 32 are connected to the connecting sleeve 2 through the connecting parts arranged thereon. The connecting sleeve 2 is driven to rotate by an external rotating mechanism, and in turn drives the upper sleeve 31 and the lower sleeve 32 to rotate, drives the upper plate body 331 and the lower plate body 332 to rotate to cut the soil, and forms a cavity for accommodating the disc body of the extruded disc pile.

[0041] In some embodiments, the limiting member is a ring seat 4 sleeved on the precast column 1. The ring seat 4 is rotatably connected to the lower sleeve 32 through an axial bearing, and is movably connected to the precast column 1 through a bolt. In application, after the lower sleeve 32 is slid to a predetermined position, the ring seat 4 and the precast column 1 are bolted and fixed by rotating the bolt on the ring seat 4. After the ring seat 4 is fixed, the sliding of the lower sleeve 32 on the precast column 1 is limited, so that the position of the extruder 3 is fixed.

[0042] In some embodiments, the upper plate body 331 and the lower plate body 332 are located in the same longitudinal plane. In order to improve the cutting effect of the extrusion plate set 33 on the soil, a blade can be arranged on the extrusion plate set 33, or a plurality of extrusion plate sets 33 can be arranged. When the number of extrusion plate sets 33 is multiple, the multiple extrusion plate sets 33 are arranged in the circumferential direction of the upper sleeve 31 and the lower sleeve 32.

[0043] In this embodiment, the connecting sleeve 2 and the precast column 1 have a gap. When the extrusion plate set 33 on the extruder 3 is in a state of converging inward, the connecting sleeve 1 can move up and down through the extruder 3 by means of the gap.

[0044] In some embodiments, referring to Figures 1 to 2 The connecting parts on the upper sleeve 31 and the lower sleeve 32 comprise a first hole body 311 and a second hole body 321. The first hole body 311 is arranged on the outer side wall of the upper sleeve 31, the second hole body 321 is arranged on the outer side wall of the lower sleeve 32, and the connecting sleeve 2 is provided with a latch 6 for plug-in cooperation with the first hole body 311 and the second hole body 321.

[0045] In application, in order to conveniently adjust the operating state of the plug 6, the adjusting assembly for adjusting the operating state of the plug 6 is arranged on the connecting sleeve 2. Specifically, the adjusting assembly comprises a first block 51, a spring 55, a second block 52 and a pull rope 54. The first block 51 is arranged on the lower end side wall of the connecting sleeve 2. The middle part of the first block 51 is provided with a sliding groove 510 arranged along the radial direction of the connecting sleeve 2. The plug 6 is slidingly arranged in the sliding groove 510. The side wall of the connecting sleeve 2 is provided with a relief hole 203 corresponding to the sliding groove 510 for the plug 6 to pass through. The spring 55 is arranged in the sliding groove 510 and connected between the first block 51 and the plug 6, for driving the plug 6 to move towards the inside of the connecting sleeve 2. The second block 52 is arranged on the upper end side wall of the connecting sleeve 2. The adjusting screw 53 is arranged through the second block 52. The adjusting screw 53 is threadedly connected with the second block 52. One end of the pull rope 54 is connected with the adjusting screw 53. The other end of the pull rope 54 is connected with the plug 6 through the first block 51. In application, when the adjusting screw 53 is turned to move upwards, the plug 6 can be driven to move outward by the pull rope 54, so that the plug 6 is accommodated in the sliding groove 510. When the adjusting screw 53 is turned to move downwards, the spring 55 can drive the plug 6 to move inward to be inserted and matched with the first hole body 311 or the second hole body 321.

[0046] In some embodiments, the lower end of the connecting sleeve 2 is provided with a reduced diameter section 202. The inner diameter of the reduced diameter section 202 is greater than the outer diameter of the upper sleeve ring 31 and the lower sleeve ring 32. The circumferential side wall of the reduced diameter section 202 is provided with a longitudinal groove 201 for the extruded plate group 33 to pass through. In the present embodiment, the first block 51 is arranged on the reduced diameter section 202. In order to conveniently connect the connecting sleeve 2 with the upper sleeve ring 31 and the lower sleeve ring 32, the above-mentioned first block 51 comprises an upper block 511 and a lower block 512 arranged in sequence. The plug 6 in the upper block 511 is a first pin body 61. The plug 6 in the lower block 512 is a second pin body 62. The first pin body 61 is used to be inserted and matched with the first hole body 311. The second pin body 62 is used to be inserted and matched with the second hole body 321. The adjusting screw 53 comprises a first screw 531 and a second screw 532. The pull rope 54 comprises a first rope 541 and a second rope 542. The first screw 531 is connected with the first pin body 61 through the first rope 541. The second screw 532 is connected with the second pin body 62 through the second rope 542.

[0047] In the application, the implementation steps of the architecture are as follows: firstly, a pile hole is drilled at a predetermined position by using a drilling machine, the extruding expander 3 is sleeved on the prefabricated column 1, the extruding expander 3 is installed at the predetermined position through the limiting piece, at this time, the upper sleeve ring 31 in the extruding expander 3 has a certain spacing with the lower sleeve ring 32, the upper plate body 331 and the lower plate body 332 are in the state of being retracted, the prefabricated column 1 is placed into the pile hole, the connecting sleeve 2 is sleeved on the prefabricated column 1, the upper end of the connecting sleeve 2 is connected to the rotating mechanism arranged outside, and the connecting sleeve 2 is driven to slide downward on the prefabricated column 1, when the upper block 511 arranged at the lower end of the connecting sleeve 2 moves to be aligned with the upper sleeve ring 31, the first bolt 531 is rotated to move downward, the spring 55 arranged in the upper block 511 is driven to move inward, passes through the avoiding hole 203 arranged on the connecting sleeve 2 and is inserted into the first hole body 311 in the upper sleeve ring 31, so that the connecting sleeve 2 is clamped and fixed with the upper sleeve ring 31 through the first pin body 61, the connecting sleeve 2 continues to move downward, so as to drive the upper sleeve ring 31 to move downward towards the lower sleeve ring 32, and the upper plate body 331 and the lower plate body 332 are expanded outward and extruded into the soil around the pile hole, when the lower block 512 arranged at the lower end of the connecting sleeve 2 moves to be aligned with the lower sleeve ring 32, the connecting sleeve 2 moves to the predetermined position, the upper plate body 331 and the lower plate body 332 are opened outward and extruded into the soil to a predetermined depth, at this time, the second bolt 532 is rotated to move downward, the spring 55 arranged in the lower block 512 is driven to move inward, passes through the avoiding hole 203 arranged on the connecting sleeve 2 and is inserted into the second hole body 321 in the lower sleeve ring 32, so that the connecting sleeve 2 is clamped and fixed with the lower sleeve ring 32 through the second pin body, at this time, the connecting sleeve 2 is rotated to drive the upper sleeve ring 31 and the lower sleeve ring 32 to rotate simultaneously, and then the upper plate body 331 and the lower plate body 332 cut the soil to form a cavity for accommodating the disc body of the extruding disc pile.

[0048] In application, the number of extruders 3 on the prefabricated column 1 can be multiple, and the multiple extruders 3 are respectively arranged at predetermined positions on the prefabricated column 1 through limiting members, and in use, the connecting sleeve 2 can be operated to implement the above steps on each extruder 3 from bottom to top, in the embodiment, the prefabricated column 1 can be a tubular cage column made by pouring liquid steel, after the connecting sleeve 2 operates all the extruders 3 to form a cavity accommodating the disc body of the extruded branch disc pile, the connecting sleeve 2 is taken out from the cage column, and the cage column and the extruders 3 remain in the pile hole, and then the extruded branch disc pile can be obtained by pouring concrete into the pile hole and the cage column.

[0049] The framework for pouring the extruded branch disc pile can adjust the position of the disc body of the branch disc pile according to different geological conditions, and after the cavity extrusion of the disc body is completed, the cavity can be supported by the extrusion plate group 33, so that the problem of cavity collapse does not occur, so that the device can ensure good mechanical properties when applied to a section with thick soft soil layer.

[0050] The above only describes the preferred embodiments of the utility model, and does not limit the utility model, and any modification, equivalent replacement and improvement within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. An arrangement for casting an underreamed belled pile, characterized in that, The utility model relates to a kind of pile driving device, including: Prefabricated column (1), the prefabricated column (1) is inserted in advance in pile hole hole; Connecting sleeve (2), sliding sleeve is set on the prefabricated column (1), and can rotate relative to the prefabricated column (1), the upper end of the connecting sleeve (2) is used to be connected with the rotating mechanism of connecting external device; Extrusion expander (3), sliding sleeve is set on the prefabricated column (1), and is located below the connecting sleeve (2), the lower end of the connecting sleeve (2) is connected with the extrusion expander (3), the connecting sleeve (2) drives the extrusion expander (3) rotation is used to form the cavity of containing extruded supporting disc pile disc body in the circumferential direction of pile hole; Limiting piece, setting on the extrusion expander (3), the limiting piece is fixed in the preset position of the extrusion expander (3) on the prefabricated column (1) by limiting the relative sliding of the extrusion expander (3) and the prefabricated column (1).

2. A framework for casting an enlarged base pile according to claim 1, characterized in that, The extrusion expander (3) includes: Upper sleeve ring (31), sliding sleeve is set on the prefabricated column (1); Lower sleeve ring (32), sliding sleeve is set on the prefabricated column (1), and is located below the upper sleeve ring (31), the limiting piece is connected on the lower sleeve ring (32); Extrusion plate group (33), the extrusion plate group (33) includes upper plate body (331) and lower plate body (332), the upper end of the upper plate body (331) is hinged on the upper sleeve ring (31), the lower end of the lower plate body (332) is hinged on the lower sleeve ring (32), the lower end of the upper plate body (331) and the upper end of the lower plate body (332) are mutually hinged; The upper sleeve ring (31) moves to the lower sleeve ring (32), for driving the upper plate body (331) and the lower plate body (332) rotate to the outside, extrude into the soil in the circumferential direction of pile hole, the upper sleeve ring (31) and the lower sleeve ring (32) are all equipped with the connecting portion for connecting the connecting sleeve (2), the connecting sleeve (2) drives the upper sleeve ring (31) and the lower sleeve ring (32) rotation, for driving the upper plate body (331) and the lower plate body (332) rotary cutting soil, to form the cavity of containing extruded supporting disc pile disc body.

3. A framework for casting an enlarged base pile according to claim 2, wherein, The limiting piece is ring seat (4), sliding sleeve is set on the prefabricated column (1), the ring seat (4) is rotationally connected with the lower sleeve ring (32) by axial bearing, and the ring seat (4) is movably connected with the prefabricated column (1) by bolt.

4. A system for casting an enlarged base pile according to claim 2, wherein The upper plate body (331) and the lower plate body (332) are located in the same longitudinal plane.

5. A framework for casting an enlarged base pile according to claim 4, wherein, The number of the extrusion plate group (33) is multiple, and multiple extrusion plate groups (33) are circumferentially arranged around the upper sleeve ring (31) and the lower sleeve ring (32).

6. An apparatus for casting a squeezed pile with a flared base according to claim 4, wherein The connecting portion includes first hole body (311) arranged on the outer side wall of the upper sleeve ring (31) and second hole body (321) arranged on the outer side wall of the lower sleeve ring (32), and the connecting sleeve (2) is provided with a bolt (6) for inserting and cooperating with the first hole body (311) and the second hole body (321).

7. An apparatus for casting a squeezed pile with a flared base according to claim 6, wherein The connecting sleeve (2) is provided with an adjusting assembly for adjusting the operating state of the bolt (6), and the adjusting assembly comprises: A first block (51) is arranged on the lower end side wall of the connecting sleeve (2), the middle part of the first block (51) is provided with a sliding groove (510) arranged radially along the connecting sleeve (2), the plug (6) is slidingly arranged in the sliding groove (510), and the side wall of the connecting sleeve (2) is provided with a avoiding hole (203) corresponding to the sliding groove (510) for the plug (6) to pass through; A spring (55) is arranged in the sliding groove (510) and connected between the first block (51) and the plug (6), for driving the plug (6) to move towards the inside of the connecting sleeve (2); A second block (52) is arranged on the upper end side wall of the connecting sleeve (2), an adjusting bolt (53) is arranged through the second block (52), and the adjusting bolt (53) is threadedly connected with the second block (52); A pull rope (54) is connected at one end to the adjusting bolt (53) and at the other end to the plug (6) through the first block (51); Rotating the adjusting bolt (53) to move it upwards drives the plug (6) to move outward through the pull rope (54) and makes the plug (6) be accommodated in the sliding groove (510), rotating the adjusting bolt (53) to move it downwards drives the plug (6) to move inward under the driving of the spring (55) and inserts and fits with the first hole body (311) or the second hole body (321).

8. An apparatus for casting a squeezed pile with a flared base according to claim 7, wherein, The first block (51) comprises an upper block (511) and a lower block (512) arranged in sequence, the plug (6) in the upper block (511) is a first pin body (61), the plug (6) in the lower block (512) is a second pin body (62), the first pin body (61) is used for inserting and fitting with the first hole body (311), the second pin body (62) is used for inserting and fitting with the second hole body (321), the adjusting bolt (53) comprises a first bolt (531) and a second bolt (532), the pull rope (54) comprises a first rope body (541) and a second rope body (542), the first bolt (531) is connected with the first pin body (61) through the first rope body (541), and the second bolt (532) is connected with the second pin body (62) through the second rope body (542).

9. An apparatus for casting a squeezed pile with a flared base according to claim 8, wherein, The number of the connecting parts corresponds to that of the adjusting assemblies, and is not less than two.

10. The apparatus according to claim 7, wherein, The lower end of the connecting sleeve (2) is provided with a reduced diameter section (202), the inner diameter of the reduced diameter section (202) is greater than the outer diameters of the upper sleeve ring (31) and the lower sleeve ring (32), the first block (51) is arranged on the reduced diameter section (202), and the circumferential side wall of the reduced diameter section (202) is provided with a longitudinal groove (201) for avoiding the extruded plate group (33).

Images