Composite pile auxiliary construction device

Abstract

The application discloses a composite pile auxiliary construction device, which comprises pile position determination and throwing; soil taking and hole guiding; pile sinking, pile connecting and pile feeding; hole cleaning by a rotary drilling machine; full-length steel reinforcement cage placing; grouting and acceptance; a first pipe pile; a second pipe pile; a fastening assembly comprising a first connecting end plate, a second connecting end plate and a fastener; and an auxiliary assembly comprising an auxiliary sleeve and an auxiliary alignment piece. The prefabricated pipe pile is constructed by the static pressure method, which avoids the pile body damage caused by the hammering method, and meanwhile, in order to deal with the complex geological conditions, the full-length steel reinforcement cage is put into the prefabricated pipe pile when the prefabricated pipe pile is underfed, and the compensation concrete is poured to form the cast-in-place pile at the bottom of the prefabricated pipe pile, so that the static pressure value and the anti-pulling performance are ensured, and the problem that the prefabricated pipe pile is difficult to be pressed under the complex geological conditions is effectively solved. Meanwhile, the fastening assembly and the auxiliary alignment assembly are arranged, the auxiliary effect is provided when the prefabricated pipe pile is connected, and the anti-pulling performance is enhanced after the pile connection is completed.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of composite pile construction in complex geological conditions, and relates to an auxiliary construction device for composite pile. BACKGROUND

[0002] In the past decade, the demand for PHC pipe piles has shown a wave-like increase. With the popularization and application of pipe piles in high-speed rail, large bridges, ultra-high voltage and other large foundations, the advantages of large-diameter pipe piles are becoming more and more obvious.

[0003] When the traditional PHC pipe pile hammering method is used for construction, although it is simple to construct and easy to control the construction quality, it can only enter the depth of solid stratum such as sand, gravel, hard clay and strong weathered rock layer. When encountering sand layer, boulders and other pile sinking difficulties, forced driving will cause pile body to break, such as local residual layer and regularly distributed boulders in fully weathered layer, which will cause great difficulty in the pile sinking process. In addition, during the pile sinking process, the surrounding soil is subjected to the extrusion action of the pile body, causing the pore water pressure to rise in the short term, making the soil heave and extrude laterally, causing the deformation of the existing buildings and roads in the stress affected range, and even damage. At the same time, it will also extrude the completed engineering pile, causing deviation, floating and other phenomena, which will cause certain difficulty to the subsequent detection.

[0004] Therefore, it is necessary to design a composite pile construction method and an auxiliary construction device to cope with the situation that the PHC pipe pile cannot be pressed to the designed depth due to geological reasons, which cannot guarantee the static pressure value. SUMMARY

[0005] This section aims to summarize some aspects of the embodiments of the present application and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract and title of the specification to avoid obscuring the purpose of this section, abstract and title, and such simplifications or omissions cannot be used to limit the scope of the present application.

[0006] In view of the problems in the prior art, the present application is proposed.

[0007] Therefore, the technical problem to be solved by the present application is that the conventional PHC prefabricated pipe pile is difficult to cope with complex geological conditions, which may cause pile end undersending and difficulty in guaranteeing the static pressure value, and the prefabricated pipe pile is not convenient to connect when connecting piles, which affects the construction efficiency.

[0008] To solve the above technical problems, the present application provides the following technical scheme: a composite pile construction method, comprising,

[0009] Determination and placement of pile position;

[0010] Soil extraction hole method;

[0011] Pile sinking, pile splicing and pile sending;

[0012] Hole cleaning of rotary drilling machine;

[0013] Placing full-length reinforcement cage;

[0014] Grouting and acceptance.

[0015] As a preferred scheme of the composite pile construction method, the placing of the full-length reinforcement cage is mainly used to deal with the situation that the bottom static pressure value cannot be guaranteed due to the undersending of the prefabricated pipe pile and the existence of the suspended bottom.

[0016] The static pressure value is guaranteed by combining the bottom bored pile with the upper prefabricated pipe pile.

[0017] As a preferred scheme of the composite pile construction method, the pile sinking position is determined according to the center point of each pile based on the reference point and the size of the design drawing, and a mark is set. Before the pile position is placed, a measurement drawing must be made. When the soil taking hole drilling method is used, the pipe pile is statically pressed in the pre-drilled hole, so that the pipe pile reaches the design required depth, and is drilled and struck simultaneously.

[0018] When the pile is sinking, the original records such as the pile length and the final pressure are made according to the standard, the welding hidden record of the welding opening is made, the pile head is aligned with the ground pile position marker when the pile is inserted, and the two theodolites are crossed to form 90° and are placed in a position where the full length of the pile can be seen. First, the verticality of the pile machine guide rod is observed, and then the verticality of the pile is observed with the theodolite to ensure that the verticality is within 5‰. The pile machine is adjusted multiple times under the command, the verticality of the first section of the pile is strictly guaranteed to ensure its guiding effect, and the verticality of the pile is strictly prohibited from being adjusted after the pile enters the soil by three meters. The gap between the pile cap and the surrounding pile should be controlled between 5-10mm during pile sinking, and the elastic pad should be placed between the pile cap and the pile on the same center line.

[0019] As a preferred scheme of the composite pile construction method, the pile splicing is connected by end plate welding, and the pipe section should be determined to be qualified before welding. The groove slot at the splicing position should be symmetrically welded by more than three layers of ring weld, and measures should be taken to reduce the welding deformation. The welding current and the welding speed should be correctly controlled, the welding thickness of each layer should be higher than the groove by 1mm, the welding seam must be checked every layer, and the welding should not have defects such as slag inclusion and air bubbles.

[0020] Before pile delivery, the pile delivery depth should be calculated in advance, and a suitable pile delivery device is selected, and obvious marks are made on the pile delivery device, the pile delivery rod and the pile should be on the same center line, the gap between the pile cap on the pile delivery rod and the pile should be controlled between 5-10mm, and a certain thickness of flat elastic paper pad is placed between the pile delivery rod and the pile.

[0021] As a preferred scheme of the composite pile construction method, the hole is cleaned by a crawler hydraulic anchor long spiral drill after the hole is drilled, the hole cleaning depth is not less than the hole drilling depth before pile pressing, the full-length setting of the subsequent steel reinforcement cage is ensured, the steel reinforcement cage is placed according to the hole depth after the hole cleaning is completed and the acceptance is experienced, the steel reinforcement cage is reinforced according to the standard, and the steel reinforcement cage is set in full length.

[0022] C35 / P8 underwater micro-expansion commercial concrete is used to pour the pile bottom hole and the pile core.

[0023] To solve the above technical problems, the application provides the following technical scheme: a composite pile auxiliary construction device, comprising

[0024] The first pipe pile;

[0025] The second pipe pile is arranged on one side of the first pipe pile; and

[0026] The fastening assembly is connected with the first pipe pile and the second pipe pile, and comprises a first connecting end plate, a second connecting end plate and a fastener, the first connecting end plate is connected with the first pipe pile, the second connecting end plate is connected with the second pipe pile, and the fastener is connected with the first connecting end plate and the second connecting end plate.

[0027] The auxiliary assembly is arranged on one side of the fastening assembly, and comprises an auxiliary sleeve and an auxiliary alignment piece, the auxiliary sleeve is connected with the first connecting end plate, and the auxiliary alignment piece is arranged on the side wall of the auxiliary sleeve.

[0028] As a preferred scheme of the composite pile auxiliary construction device, the fastener comprises a plug rod, a plug block and a clamping block, one end of the plug rod is connected with one side of the second connecting end plate, the center of the plug rod is in a hollow state, the plug block is arranged in a plug slot on one side of the first connecting end plate, the clamping block is arranged in an expansion slot on the side wall of the plug rod, and the clamping block is connected with the expansion slot through sliding convex strips.

[0029] One side of the clamping block is provided with a clamping inclined surface, the diameter of the plug slot is smaller than the width of the clamping block extending out of the plug rod, and the inner side wall of the plug slot is further provided with a clamping groove, and the diameter of the clamping groove is matched with the clamping block extending out of the expansion slot.

[0030] As a preferred scheme of the composite pile auxiliary construction device, the first connecting end plate is further provided with a connecting groove on one side, the connecting groove is provided with a first lengthening protrusion on one side, and the first connecting end plate side wall is further provided with a first groove, the second connecting end plate is provided with a connecting plug, a second groove and a second lengthening protrusion on one side, the connecting plug is matched with the connecting groove, the second groove is matched with the first lengthening protrusion in width, and the second lengthening protrusion is matched with the first groove.

[0031] As a preferred scheme of the composite pile auxiliary construction device, the auxiliary sleeve is composed of a sleeve and a screw rod, and the screw rod is connected with the first pipe pile.

[0032] The auxiliary alignment member comprises an alignment box, a connecting spring and a connecting sliding block, the alignment box is arranged on the sleeve side wall, and the connecting sliding block is connected with the alignment box inner side wall through the connecting spring.

[0033] As a preferred scheme of the composite pile auxiliary construction device, the connecting sliding block side wall is provided with a positioning sliding groove, and the second connecting end plate side wall is provided with a positioning protrusion, and the positioning protrusion is matched with the positioning sliding groove.

[0034] The beneficial effects of the present application are as follows: the prefabricated pipe pile is constructed by the static pressure method, which avoids the damage of the pile body caused by the hammering method, and in order to deal with complex geological conditions, the full-length steel reinforcement cage is put into the prefabricated pipe pile when the prefabricated pipe pile is not sent, and the compensation concrete is poured to form a cast-in-place pile at the bottom of the prefabricated pipe pile to ensure the static pressure value and the anti-pulling performance, thereby effectively solving the problem that the prefabricated pipe pile is difficult to be pressed under complex geological conditions.

[0035] Meanwhile, the fastening assembly and the auxiliary alignment assembly are provided to provide auxiliary effect when the prefabricated pipe pile is connected, and the anti-pulling performance is enhanced after the connection is completed. DETAILED DESCRIPTION

[0036] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor. Among them:

[0037] Figure 1 It is a schematic diagram of the auxiliary construction device of the present application.

[0038] Figure 2 It is a partial schematic diagram of the auxiliary construction device of the present application.

[0039] Figure 3 It is a schematic diagram of the fastening assembly of the present application.

[0040] Figure 4 Explotion diagram of the fastening assembly of the present application.

[0041] Figure 5 Explotion diagram of the fastening assembly of the present application.

[0042] Figure 6 Explotion diagram of the fastening assembly of the present application.

[0043] Figure 7 Explotion diagram of the fastening assembly of the present application.

[0044] Figure 8 Explotion diagram of the fastening assembly of the present application. DETAILED DESCRIPTION

[0045] In order to make the above objectives, features and advantages of the present application more obvious and comprehensible, the specific embodiments of the present application will be described in detail below with reference to the accompanying drawings.

[0046] In the following description, a lot of specific details are set forth in order to facilitate a full understanding of the present application, but the present application can also be implemented in other ways different from those described herein, and those skilled in the art can make similar generalizations without departing from the spirit of the present application, so the present application is not limited to the specific embodiments disclosed below.

[0047] Secondly, the "one embodiment" or "embodiment" referred to herein means that the specific features, structures or characteristics can be included in at least one implementation of the present application. "In one embodiment" appearing in different places in the specification does not mean the same embodiment, nor is it an independent or alternative embodiment that excludes other embodiments.

[0048] Embodiment 1

[0049] Reference Figure 1 , Figure 2 , the first embodiment of the present application provides a composite pile auxiliary construction device, which comprises a first pipe pile 100, a second pipe pile 200, a fastening assembly 300 and an auxiliary assembly 400;

[0050] Further, the second pipe pile 200 is arranged on one side of the first pipe pile 100; and

[0051] Specifically, the fastening assembly 300 connects the first pipe pile 100 and the second pipe pile 200, and comprises a first connecting end plate 301, a second connecting end plate 302 and a fastening piece 303. The first connecting end plate 301 is connected with the first pipe pile 100, the second connecting end plate 302 is connected with the second pipe pile 200, and the fastening piece 303 connects the first connecting end plate 301 and the second connecting end plate 302.

[0052] Further, the auxiliary assembly 400 is arranged on one side of the fastening assembly 300, comprising an auxiliary sleeve 401 and an auxiliary alignment member 402, the auxiliary sleeve 401 is connected with the first connecting end plate 301, and the auxiliary alignment member 402 is arranged on the side wall of the auxiliary sleeve 401.

[0053] In use, when the second pipe pile 200 needs to be connected with the first pipe pile 100, the auxiliary sleeve 401 is first connected with the first pipe pile 100, and then the second pipe pile 200 is hoisted, when the second pipe pile 200 is adjusted and aligned with the first pipe pile 100, the second pipe pile 200 is only needed to be aligned with the auxiliary alignment member 402, and then the position is kept relatively stable when continuing to descend, the first pipe pile 100 and the second pipe pile 200 are fastened and connected through the fastening assembly 300, the first connecting end plate 301 is fixedly connected with the first pipe pile 100 during prefabrication, the second connecting end plate 302 is also fixedly connected with the second pipe pile 200 during prefabrication, the fastener 303 is a structure for fastening and connecting the first connecting end plate 301 and the second connecting end plate 302, through the action of the fastener 303, the first pipe pile and the second pipe pile are connected closely, and finally the welding is performed to strengthen the connection firmness between the two.

[0054] Embodiment 2

[0055] Reference Figures 1-7 For the second embodiment of the application, the embodiment is based on the previous embodiment.

[0056] Specifically, the fastener 303 comprises a plug rod 303a, a plug block 303b and a clamping block 303c, one end of the plug rod 303a is connected with one side of the second connecting end plate 302, and the center of the plug rod 303a is in a hollow state, the plug block 303b is arranged in the plug slot 301a on one side of the first connecting end plate 301 and is fixedly connected with the bottom side wall of the plug slot 301a, the plug block 303b can be inserted into the hollow inside of the plug rod 303a, the clamping block 303c is arranged in the telescopic slot 303a-1 on the side wall of the plug rod 303a, and the clamping block 303c is connected with the telescopic slot 303a-1 through the sliding convex strip 303c-1, and it should be noted that the clamping block 303 and the plug block 303b are integrated, and the clamping block 303 always slides in the telescopic slot 303a-1 and cannot fall out of the plug rod 303a.

[0057] Preferably, the plug rod 303a and the second connecting end plate 302 can be connected through threads, that is, a plurality of plug rods 303a are connected with the second connecting end plate 302 when needed.

[0058] Further, the card block 303c is provided with a card-in inclined surface 303c-2 on one side, the diameter of the slot 301a is smaller than the width of the inserted rod 303a of the card block 303c, and the inner side wall of the slot 301a is further provided with a card slot 301a-1, the diameter of the card slot 301a-1 is matched with the card block 303c after the extension and retraction slot 303a-1.

[0059] In use, if the card block 303c is outside the extension and retraction slot 303a-1 before the inserted rod 303a is inserted into the slot 301a, it can be retracted into the extension and retraction slot 303a-1 by the action of the card-in inclined surface 303c-2 and the top of the slot 301a, and when the plug 303b is inserted into the hollow of the inserted rod 303a, the card block 303c will be pushed out of the inserted rod 303a and inserted into the card slot 301a-1, so that the inserted rod 303a cannot be pulled out, thereby realizing the fastening connection between the first connecting end plate 301 and the second connecting end plate 302.

[0060] The first connecting end plate 301 is further provided with a connecting slot 301b on one side, the connecting slot 301b is provided with a first lengthening protrusion 301c on one side, and the side wall of the first connecting end plate 301 is further provided with a first recess 301d, the second connecting end plate 302 is provided with a connecting plug 302a, a second recess 302b, and a second lengthening protrusion 302c on one side, the connecting plug 302a is matched with the connecting slot 301b, the width of the second recess 302b is matched with the first lengthening protrusion 301c, and the second lengthening protrusion 302c is matched with the first recess 301d.

[0061] In use, when the first connecting end plate 301 and the second connecting end plate 302 are closed and connected, the connecting plug 302a is inserted into the connecting slot 301b, the first lengthening protrusion 301c is connected with the second recess 302b, so that the inner side wall connection of the first connecting end plate 301 and the second connecting end plate 302 forms a right-angle connection, which strengthens the sealing and waterproof performance of the internal part of the whole fastening assembly 300 and avoids excessive water loss when pouring concrete;

[0062] The second lengthening protrusion 302c is matched with the first recess on the outer side wall of the two connecting end plates, so that the connection gap is avoided inside the internal member, and the sealing and waterproof performance is strengthened.

[0063] Further, the auxiliary sleeve 401 is composed of a sleeve 401a and a screw rod 401b, which is connected with the first pipe pile 100 through the screw rod 401b;

[0064] The auxiliary alignment member 402 includes an alignment box 402a, a connecting spring 402b, and a connecting sliding block 402c, the alignment box 402a is arranged on the side wall of the sleeve 401a, and the connecting sliding block 402c is connected with the inner side wall of the alignment box 402a through the connecting spring 402b.

[0065] The connecting sliding block 402c is provided with a positioning sliding groove 402c-1 on the side wall, and the second connecting end plate 302 is provided with a positioning protrusion 302d on the side wall, which is matched with the positioning sliding groove 402c-1.

[0066] Specifically, when connecting the piles, the auxiliary sleeve 401 is connected with the side wall of the first pipe pile 100, and the positioning protrusion 302d on the side wall of the second connecting end plate 302 is aligned with the positioning sliding groove 402c-1. Since the positioning protrusion 302d is on the outer side wall, it is easier for the construction personnel to observe than the fastener 303 on the inner side wall. When the positioning protrusion 302d slides into the positioning sliding groove 402c-1, it will extrude the positioning sliding block 402c outward into the alignment box 402a. After the pile connection is completed, the auxiliary sleeve 401 is removed through the screw rod 401b. It should be noted that the first connecting end plate 301 supports the connecting sliding block 402c when the pile connection is not initially completed.

[0067] In summary, the auxiliary assembly 400 makes the hole alignment more time-saving and labor-saving when connecting the piles. The arrangement of the fastening assembly 300 makes the two pipe piles have stronger stability after being connected, thereby having stronger anti-pulling performance. The sealed connection between the two connecting end plates also makes the subsequent loss of water in the concrete during the pouring of the concrete have less impact on the connected pile part.

[0068] Embodiment 3

[0069] Reference Figures 1-8 For the third embodiment of the present application, which is based on the previous embodiment, a composite pile construction method is provided, which comprises

[0070] Determination and placement of pile position;

[0071] Soil removal hole method;

[0072] Pile sinking, pile connection and pile feeding;

[0073] Hole cleaning by rotary drilling machine;

[0074] Placing a full-length steel reinforcement cage;

[0075] Grouting and acceptance.

[0076] Specifically, placing a full-length steel reinforcement cage is mainly used to deal with the situation that the bottom static pressure value cannot be guaranteed due to the undersending of the prefabricated pipe pile caused by geological reasons and the existence of the suspended bottom.

[0077] The static pressure value is guaranteed by combining the bottom bored pile with the upper prefabricated pipe pile.

[0078] Further, the pile sinking position is according to the size of the design drawing to put the center point of each pile according to the reference point, and set up a sign, before putting the pile position, must make a measurement chart; when taking the soil guide hole method, the spiral drill machine is used to drill a hole in advance, and then the pipe pile is pressed in the pre-drilled hole, so that the pipe pile reaches the design required depth, and is drilled and hit at the same time;

[0079] When sinking the pile, make the original records of the pile length and final pressure according to the standard, make the hidden record of the welding, align the pile head with the ground pile position marker when inserting the pile, and cross the two theodolites to form 90° and place them in a position where the whole length of the pile can be seen; first observe the perpendicularity of the pile machine guide rod, then observe the perpendicularity of the pile with the theodolite to ensure that the perpendicularity is within 5‰, command the pile machine to adjust multiple times, and strictly ensure the perpendicularity of the first section of the pile to ensure its guiding effect. After the pile is sunk into the soil for three meters, it is strictly prohibited to adjust the perpendicularity of the pile with the pile machine. The gap between the pile cap and the surrounding pile should be controlled between 5-10mm, and the elastic pad should be placed between the pile cap and the pile on the same center line.

[0080] Further, the end plate welding connection is used for splicing, and whether the pipe section is qualified should be determined before welding; the groove of the splicing place should be welded by more than three layers of symmetrical ring welds, and measures should be taken to reduce welding deformation. The welding current and welding speed should be correctly controlled, and the thickness of each layer of welding should be higher than the groove by 1mm. The welding seam must be checked every layer, and the welding should not have defects such as slag inclusion and air bubbles;

[0081] Before sending the pile, the sending depth should be calculated in advance, and the appropriate pile sender should be selected. The pile cap on the pile sender and the pile should be on the same center line, the gap between the pile cap on the pile sender and the surrounding pile should be controlled between 5-10mm, and a certain thickness of flat elastic paper pad should be placed between the pile sender and the pile. The pressure value and other original records should be made when sending the pile, and the deviation of the design elevation of the pile top should be controlled with the level instrument. The deviation of the design elevation of the pile top should meet the specification and design requirements.

[0082] After the guide hole is drilled, the crawler hydraulic anchor rod long spiral drill machine is used, the hole cleaning depth is not less than the guide hole depth before pile pressing, and the full-length setting of the subsequent steel reinforcement cage is ensured. After the hole cleaning is completed, the steel reinforcement cage is placed according to the hole depth after acceptance, and the steel reinforcement cage is reinforced according to the standard. The steel reinforcement cage is set to full length;

[0083] C35 / P8 underwater micro-expanding commercial concrete is used to pour the pile bottom hole and the pile core.

[0084] For example, the project of Chuzhou new energy automobile industry park has tight schedule and heavy task, according to the design requirements of the (4) layer of strong weathered argillaceous sandstone, the limit end resistance standard value is 6000kPa, the full section of the pile end (excluding the pile tip part) enters the bearing stratum depth of not less than 1.2 meters, the traditional method of PHC pipe pile hammering method is used for construction, although it has simple construction, easy to control construction quality, but only into the sand, gravel, hard clay, strong weathered rock layer and other solid bearing layer not big depth.

[0085] A composite pile construction method is used to form a composite pile type with the upper end of the PHC pipe pile and the lower end of the cast-in-place pile, when the pipe pile is not sent, the hole of the suspended part is cleaned (the hole diameter is 408 after cleaning), the steel reinforcement cage is put into the pipe pile hole through 250, and then the shrinkage compensation concrete is poured, because the pile is not pressed down (the static pressure value is 2200KN) in the actual construction, the compression resistance is not the main control index, and the anti-pulling performance is mainly detected in the later stage, part of the single pile test data of the project is shown in Figure 8 .

[0086] It is illustrated that the composite pile construction method and the auxiliary construction device can still meet various performance tests under the condition of adapting to the more complex geological conditions.

[0087] It should be noted that the above examples are only used to illustrate the technical solutions of the present application and are not limited. Although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present application can be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present application, which should be covered in the scope of the claims of the present application.

Claims

1. A composite pile auxiliary construction device, characterized in that: a first pipe pile (100); a second pipe pile (200) disposed on one side of the first pipe pile (100); and a fastening assembly (300) connecting the first pipe pile (100) and the second pipe pile (200), comprising a first connecting end plate (301), a second connecting end plate (302), and a fastener (303), the first connecting end plate (301) being connected to the first pipe pile (100), the second connecting end plate (302) being connected to the second pipe pile (200), and the fastener (303) connecting the first connecting end plate (301) and the second connecting end plate (302), one side of the first connecting end plate (301) further being provided with a connecting groove (301b), one side of the connecting groove (301b) being provided with a first elongated protrusion (301c), and a first recess (301d) being further provided on the side wall of the first connecting end plate (301), one side of the second connecting end plate (302) being provided with a connecting plug (302a), a second recess (302b), and a second elongated protrusion (302c), the connecting plug (302a) being fitted with the connecting groove (301b), the second recess (302b) having a width fitted with the first elongated protrusion (301c), and the second elongated protrusion (302c) being fitted with the first recess (301d); an auxiliary assembly (400) disposed on one side of the fastening assembly (300), comprising an auxiliary sleeve (401) and an auxiliary alignment member (402), the auxiliary sleeve (401) being connected to the first connecting end plate (301), and the auxiliary alignment member (402) being disposed on the side wall of the auxiliary sleeve (401); the auxiliary sleeve (401) being composed of a sleeve (401a) and a screw rod (401b), and the screw rod (401b) being connected to the first pipe pile (100); the auxiliary alignment member (402) comprising an alignment box (402a), a connecting spring (402b), and a connecting sliding block (402c), the alignment box (402a) being disposed on the side wall of the sleeve (401a), and the connecting sliding block (402c) being connected to the inner side wall of the alignment box (402a) through the connecting spring (402b); a positioning sliding groove (402c-1) being disposed on the side wall of the connecting sliding block (402c), and a positioning protrusion (302d) being disposed on the side wall of the second connecting end plate (302), the positioning protrusion (302d) being fitted with the positioning sliding groove (402c-1).

2. The composite pile aided construction device according to claim 1, characterized in that: The fastener (303) comprises a plug rod (303a), a plug block (303b) and a clamping block (303c), one end of the plug rod (303a) is connected with one side of the second connecting end plate (302), and the center of the plug rod (303a) is in a hollow state, the plug block (303b) is arranged in the plug slot (301a) on one side of the first connecting end plate (301), the clamping block (303c) is arranged in the telescopic slot (303a-1) on the side wall of the plug rod (303a), and the clamping block (303c) is connected with the telescopic slot (303a-1) through the sliding convex strip (303c-1); One side of the clamping block (303c) is provided with a clamping inclined surface (303c-2), the diameter of the plug slot (301a) is smaller than the width of the clamping block (303c) extending out of the plug rod (303a), and the inner side wall of the plug slot (301a) is further provided with a clamping groove (301a-1), and the diameter of the clamping groove (301a-1) is matched with the clamping block (303c) extending out of the telescopic slot (303a-1).

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