Prefabricated concrete pipe pile construction device and construction method

Abstract

The invention relates to the technical field of building construction, in particular to a precast concrete pipe pile construction device and method. A pipe pile head is protected mainly through matched use of an arranged supporting frame and a protective cover mechanism; the supporting frame body is placed on the side position of the pipe pile head in a sleeving mode, namely, the supporting bottom ring is placed on a foundation, and the position of the supporting frame body is adjusted so that the pipe pile head can be located in the center position of the supporting frame body; the protective cover mechanism is connected with the supporting frame body, the extending sliding head on the side of the protective cover main body slides into the placing vertical groove in the supporting vertical rod at the corresponding position, then the protective cover main body is directly put down, the protective cover main body is arranged on the pipe pile head in a sleeving mode, the bearing cover plate at the top end of the protective cover main body falls on the pipe pile head, and then the auxiliary assembly is installed. A plugging inserting rod enters an inserting groove body in the end face of the pipe pile head; and the auxiliary assembly comprises the first auxiliary structure and the second auxiliary structure, the working flexibility is high, and the positive effect on improving the construction quality of the pipe pile is achieved.

Description

Technical Field

[0001] The invention relates to the technical field of building construction, in particular to a precast concrete pipe pile construction device and a construction method. Background Art

[0002] The existing document with announcement number CN217378886U discloses a precast concrete pipe pile construction device, which includes a support frame, a shaft sleeve is fixedly welded on the outer surface of the support frame, a connecting shaft is slidably sleeved inside the shaft sleeve, and a transverse guardrail is fixedly welded on one end of the connecting shaft. The precast concrete pipe pile construction device can be easily opened by pulling out the positioning pin to one end, so that the pin barrel, the transverse guardrail and the longitudinal guardrail are freed from restraint, and the transverse guardrail and the longitudinal guardrail are conveniently rotated to provide protection to prevent the concrete pipe piles from tipping over and causing safety accidents; by rotating the nut, the guide rod is driven to move longitudinally, and the support seat is driven to move longitudinally, so that the height of the support seat can be adjusted so that it can be suitable for concrete pipe pile construction operations of different heights, thereby improving the scope of use of the equipment.

[0003] After the pipe pile construction is completed in the above scheme and the prior art, the exposed pipe pile head needs to be docked with the new pipe pile; after the docking is completed, the pile driving construction is carried out through the pile driving equipment; the prior art lacks suitable protective devices for the pipe pile head; for example, after the pipe pile driving construction is completed, the last pipe pile head is exposed to the outside world, generally all the positions that need to be piled are piled, and then the next step of construction is carried out. In this process, the pipe pile head lacks temporary protective devices, which is easy to cause touch damage, and the external gravel and dirt may also fall on it. The pipe pile head needs to be cleaned during subsequent construction; on the other hand, in the case of suspension of work, the exposed pipe pile head needs to be protected for a long time and stably to ensure the stable use of the pipe pile head when the work starts, to avoid abandonment, resulting in the need for cutting construction.

[0004] To this end, the present invention proposes a precast concrete pipe pile construction device and a construction method for solving the above-mentioned problems. Summary of the invention

[0005] The object of the present invention is to provide a precast concrete pipe pile construction device and a construction method to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned object, the present invention provides the following technical solutions: a precast concrete pipe pile construction device, comprising a support frame and a protective cover mechanism;

[0007] The support frame includes a support vertical rod, a top ring body, a support bottom ring and a placement vertical groove; the top end of the support vertical rod is fixedly connected to the top ring body, the bottom end of the support vertical rod is fixedly connected to the support bottom ring, and the placement vertical groove is arranged on the inner side wall of the support vertical rod;

[0008] The support frame is sleeved on the side of the pipe pile head, the pipe pile head is arranged in the foundation, and the end of the pipe pile head is provided with a plug-in slot;

[0009] The protective cover mechanism is connected to the supporting frame and is arranged on the inner side of the supporting frame.

[0010] Preferably, the supporting vertical rods between the top ring body and the supporting bottom ring are arranged equidistantly and in a ring shape.

[0011] Preferably, the protective cover mechanism includes a protective cover body, an extension slider, a positioning slot, a bearing cover, a positioning slot, mounting screws and auxiliary components; the extension slider is symmetrically fixedly arranged at the top side position of the protective cover body, and the top end surface of the protective cover body is symmetrically arranged with a positioning slot, a threaded groove is arranged in the positioning slot, a positioning slot is fixedly arranged at the side position of the bearing cover, the positioning slot is clamped in the positioning slot and fixed by mounting screws, and the bearing cover is provided with auxiliary components.

[0012] Preferably, the extension slider is slidably arranged in a placement vertical groove on the inner side wall of the supporting vertical rod; and the protective cover body is sleeved on the pipe pile head.

[0013] Preferably, the auxiliary component includes a first auxiliary structure and a second auxiliary structure, the first auxiliary structure including a threaded through groove, a connecting threaded column, a placement cavity, a rubber inner sleeve, a fastening slot, a wrapping sleeve cavity, a first collecting groove, a cleaning brush, a connecting threaded port, a fastening screw, and a limiting ring; the threaded through grooves are equidistantly arranged in the bearing cover plate, the threaded through grooves are threadedly connected to the connecting threaded column, and a placement cavity is provided on the end face of one end of the connecting threaded column, a rubber inner sleeve is inserted and placed in the placement cavity, and a limiting ring is fixedly provided on the outer side wall of the connecting threaded column.

[0014] Preferably, a wrapping sleeve cavity is provided in the rubber inner sleeve, and first collecting grooves are equidistantly provided on the inner side wall of the wrapping sleeve cavity, and a cleaning brush is provided in the first collecting groove; the first collecting grooves are equidistantly provided in a ring shape, and the cleaning brushes are equidistantly provided in a straight line in the first collecting groove.

[0015] Preferably, a fastening slot is provided on the outer wall of the rubber inner sleeve, a connecting threaded opening is provided in the connecting threaded column, and the connecting threaded opening is connected to the wrapping sleeve cavity, the fastening screw is threadedly connected to the connecting threaded opening, and one end of the fastening screw is adapted to be plugged into the fastening slot.

[0016] Preferably, the second auxiliary structure includes an externally threaded cylinder, a blocking rod, a limiting groove, an auxiliary rubber tube, an externally threaded limiting strip, an internally threaded fastening ring, a second collecting groove, a circular groove, a third collecting groove and an anti-fall auxiliary baffle; the externally threaded cylinder is fixedly arranged at the other end of the connecting threaded cylinder, and the externally threaded cylinder is fixedly provided with a blocking rod at the end away from the connecting threaded cylinder, a limiting groove is arranged on the externally threaded cylinder, the auxiliary rubber tube is sleeved on the blocking rod, and an externally threaded limiting strip is fixedly arranged at the end of the tube mouth of the auxiliary rubber tube; the externally threaded limiting strip corresponds to the setting position of the limiting groove, the two are adaptively plugged in, and the internally threaded fastening ring is adaptively threadedly connected with the externally threaded cylinder.

[0017] Preferably, the outer wall of the auxiliary rubber tube is equidistantly provided with second collecting grooves, a circular groove body is provided at the center position of the bottom end of the auxiliary rubber tube, a third collecting groove body is equidistantly provided at the side position of the circular groove body, and anti-fall auxiliary baffle strips are provided at the side position of the groove opening of the third collecting groove body and the circular groove body; the anti-fall auxiliary baffle strip is set as a rubber strip, and the anti-fall auxiliary baffle strip is set at an angle.

[0018] A construction method for a precast concrete pipe pile construction device, the construction method comprising:

[0019] S1: first place the support frame on the side of the pipe pile head, that is, place the support bottom ring on the foundation, and adjust the position of the support frame so that the pipe pile head is in the center of the support frame;

[0020] S2: Connect the protective cover mechanism with the support frame, and the extended slider on the side of the protective cover body slides into the vertical slot in the supporting vertical rod at the corresponding position, and then directly put down the protective cover body, and the protective cover body is put on the pipe pile head, and the bearing cover plate on the top of the protective cover body falls on the pipe pile head, and then install the auxiliary components to make the blocking rod enter the plug-in slot on the end face of the pipe pile head.

[0021] Compared with the prior art, the present invention has the following beneficial effects:

[0022] The precast concrete pipe pile protection device designed by the present invention mainly protects the pipe pile head by cooperating with the support frame and the protective cover mechanism; the support frame is placed and sleeved on the side position of the pipe pile head, that is, the support bottom ring is placed on the foundation, and the position of the support frame is adjusted so that the pipe pile head is in the center position of the support frame; the protective cover mechanism is connected to the support frame, and the extension slider on the side of the protective cover body slides into the placement vertical groove in the support vertical rod at the corresponding position, and then the protective cover body is directly lowered, and the protective cover body is sleeved on the pipe pile head, and the bearing cover plate on the top of the protective cover body falls on the pipe pile head, and then the auxiliary component is installed so that the blocking rod enters the plug-in groove on the end face of the pipe pile head; and the auxiliary component includes a first auxiliary structure and a second auxiliary structure, has high working flexibility, and has a positive effect on improving the construction quality of the pipe piles. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a schematic diagram of the structural connection of the pipe pile head protection construction device of the present invention;

[0024] Figure 2 For the present invention Figure 1 A magnified schematic diagram of the structural connection at center A;

[0025] Figure 3 It is a schematic diagram of the structural connection between the support frame and the protective cover mechanism of the present invention;

[0026] Figure 4 For the present invention Figure 3 A magnified schematic diagram of the structural connection at B in the middle;

[0027] Figure 5 This is a schematic diagram of the explosion of the protective cover structure connection of the present invention;

[0028] Figure 6 For the present invention Figure 5 A magnified schematic diagram of the structural connection at C in the middle;

[0029] Figure 7 For the present invention Figure 5 The enlarged schematic diagram of the structural connection at D in the middle;

[0030] Figure 8 A top view of the auxiliary component structure connection of the present invention;

[0031] Fig. 9 For the present invention Figure 8 The enlarged schematic diagram of the structural connection at E in the middle;

[0032] Fig.10 For the present invention Figure 8 The enlarged schematic diagram of the structural connection at F in the middle;

[0033] Fig.11 A bottom view of the auxiliary component structure connection of the present invention;

[0034] Fig.12 For the present invention Fig.11 A magnified schematic diagram of the structural connection at G in the middle;

[0035] Fig.13 For the present invention Fig.11 A magnified schematic diagram of the structural connection at H in the middle;

[0036] Fig.14 It is a partial schematic diagram of the connection of the second auxiliary structure of the present invention;

[0037] Fig.15 For the present invention Fig.14 A magnified schematic diagram of the structural connection at J in the middle;

[0038] Fig.16 It is a schematic diagram of the connection between the guide device of the present invention and the main structure of the protective cover;

[0039] Fig.17 For the present invention Fig.16 A magnified schematic diagram of the structural connection at K in the middle;

[0040] Fig.18 This is a schematic diagram of the structural connection of the guide device of the present invention;

[0041] Fig.19 For the present invention Fig.18 Enlarged schematic diagram of the structural connection at L in the middle.

[0042] In the figure: pile head 1, foundation 2, support vertical rod 31, top ring body 32, support bottom ring 33, placement vertical groove 34, protective cover body 401, extension slider 402, positioning card slot 403, bearing cover plate 404, positioning card plate 405, mounting screw 406, threaded through groove 501, connecting thread column 502, placement cavity groove 503, rubber inner sleeve 504, fastening card slot 505, wrapping sleeve cavity 506, first collecting groove 507, cleaning brush 508, connecting thread port 5 09, fastening screw 510, limiting ring body 511, external threaded cylinder 601, blocking rod 602, limiting groove body 603, auxiliary rubber tube 604, external thread limiting strip body 605, internal thread fastening ring 606, second collecting groove 607, circular groove body 608, third collecting groove body 609, anti-fall auxiliary baffle 610, docking ring mouth 701, guide bucket mouth 702, positioning plug 703, through groove body 704, auxiliary placement groove 705, fastening screw 706. DETAILED DESCRIPTION

[0043] The technical solutions in the embodiments of the present invention are described clearly and completely below. The embodiments of the present invention and all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present invention.

[0044] Example 1: Please refer to Figure 1-Figure 15 A precast concrete pipe pile construction device comprises a support frame and a protective cover mechanism; the support frame comprises a support vertical rod 31, a top ring body 32, a support bottom ring 33 and a placement vertical groove 34; the top end of the support vertical rod 31 is fixedly connected to the top ring body 32, the bottom end of the support vertical rod 31 is fixedly connected to the support bottom ring 33, and the placement vertical groove 34 is arranged on the inner side wall of the support vertical rod 31; the support frame is sleeved on the side position of the pipe pile head 1, the pipe pile head 1 is arranged in the foundation 2, and the end of the pipe pile head 1 is provided with a plug-in groove body; the protective cover mechanism is connected to the support frame and is arranged on the inner side of the support frame; the support vertical rods 31 between the top ring body 32 and the support bottom ring 33 are equidistantly arranged and arranged in a ring shape.

[0045] The present invention first places the support frame on the side of the pile head 1, that is, the support bottom ring 33 is placed on the foundation 2, and the position of the support frame is adjusted so that the pile head 1 is in the center of the support frame; the protective cover mechanism is connected to the support frame, and the extension slider 402 on the side of the protective cover body 401 slides into the placement vertical groove 34 in the support vertical rod 31 at the corresponding position, and then the protective cover body 401 is directly lowered, the protective cover body 401 is sleeved on the pile head 1, and the bearing cover plate 404 at the top of the protective cover body 401 falls on the pile head 1, and then the auxiliary components are installed to allow the blocking rod 602 to enter the plug-in groove on the end face of the pile head 1.

[0046] Example 2: Based on Example 1, please refer to Figure 2-Figure 15 , the protective cover mechanism here includes a protective cover body 401, an extension slider 402, a positioning slot 403, a bearing cover plate 404, a positioning clip 405, mounting screws 406 and auxiliary components; the top side position of the protective cover body 401 is symmetrically fixed with an extension slider 402, and the top end surface of the protective cover body 401 is symmetrically provided with a positioning slot 403, a threaded groove is provided in the positioning slot 403, and the side position of the bearing cover plate 404 is fixed with a positioning clip 405, the positioning clip 405 is stuck in the positioning slot 403, and is fixed by mounting screws 406, and the bearing cover plate 404 is provided with auxiliary components; the extension slider 402 here is slidably set in the placement vertical slot 34 on the inner side wall of the support vertical rod 31; the protective cover body 401 is sleeved on the pile head 1.

[0047] In this embodiment, for the pipe pile head 1 whose end face is a docking pin, a first auxiliary structure is used for protection. The auxiliary components here include a first auxiliary structure and a second auxiliary structure. The first auxiliary structure includes a threaded through groove 501, a connecting threaded column 502, a placement cavity 503, a rubber inner sleeve 504, a fastening card slot 505, a wrapping sleeve cavity 506, a first collecting groove 507, a cleaning brush 508, a connecting threaded port 509, a fastening screw 510, and a limiting ring body 511; the threaded through grooves 501 are equidistantly arranged in the bearing cover plate 404, the threaded through grooves 501 are threadedly connected to the connecting threaded column 502, and the end face of one end of the connecting threaded column 502 is provided with a placement cavity 503, a rubber inner sleeve 504 is inserted and placed in the placement cavity 503, and the connecting thread A limiting ring body 511 is fixedly provided on the outer wall of the column 502; a wrapping sleeve cavity 506 is provided in the rubber inner sleeve 504 here, and first collecting grooves 507 are equidistantly provided on the inner wall of the wrapping sleeve cavity 506, and a cleaning brush 508 is provided in the first collecting groove 507; the first collecting grooves 507 are equidistantly arranged in a ring shape, and the cleaning brushes 508 are equidistantly arranged in a straight line in the first collecting groove 507; a fastening groove 505 is provided on the outer wall of the rubber inner sleeve 504 here, a connecting threaded opening 509 is provided in the connecting threaded column 502, and the connecting threaded opening 509 is connected to the wrapping sleeve cavity 506, a fastening screw 510 is threadedly connected to the connecting threaded opening 509, and one end of the fastening screw 510 is adapted to be plugged into the fastening slot 505.

[0048] When the bearing cover plate 404 contacts the end of the pipe pile head 1, the connecting threaded column 502 is threadedly connected with the threaded through groove 501, and the placement cavity 503 at one end of the connecting threaded column 502 is plugged and wrapped with the docking pin, which has a protective effect on the docking pin; on this basis, a rubber inner sleeve 504 is arranged in the placement cavity 503, and a wrapping sleeve cavity 506 is arranged in the rubber inner sleeve 504, and a first collecting groove 507 and a cleaning brush 508 are arranged in the wrapping sleeve cavity 506, which can protect the docking pin and also have a certain cleaning effect on impurities on the docking pin.

[0049] For the pipe pile head 1 whose end face is a plug-in groove, a second auxiliary structure is used for protection; the second auxiliary structure here includes an externally threaded cylinder 601, a plugging rod 602, a limiting groove 603, an auxiliary rubber tube 604, an externally threaded limiting strip 605, an internally threaded fastening ring 606, a second collecting groove 607, a circular groove 608, a third collecting groove 609 and an anti-fall auxiliary baffle 610; the externally threaded cylinder 601 is fixedly arranged at the other end of the connecting threaded cylinder 502, and the externally threaded cylinder 601 is fixedly arranged with a plugging rod 602 at the end away from the connecting threaded cylinder 502, a limiting groove 603 is arranged on the externally threaded cylinder 601, the auxiliary rubber tube 604 is sleeved on the plugging rod 602, and the auxiliary rubber tube An externally threaded limiting strip 605 is fixedly provided at the end of the barrel mouth of 604; the externally threaded limiting strip 605 corresponds to the setting position of the limiting groove 603, the two are adapted to be plugged in, and the internally threaded fastening ring 606 is adapted to be threadedly connected with the externally threaded cylinder 601; the outer wall of the auxiliary rubber tube 604 here is equidistantly provided with second collecting grooves 607, a circular groove 608 is provided at the center position of the bottom end of the auxiliary rubber tube 604, and a third collecting groove 609 is equidistantly provided at the side position of the circular groove 608, and anti-fall auxiliary baffles 610 are provided at the side positions of the grooves of the third collecting groove 609 and the circular groove 608; the anti-fall auxiliary baffles 610 are arranged as rubber strips, and the anti-fall auxiliary baffles 610 are arranged at an angle.

[0050] The connecting thread column 502 is connected to the threaded through groove 501, and the plugging rod 602 set at the other end of the connecting thread column 502 is inserted into the plug-in groove body, and the auxiliary rubber tube 604 is sleeved on the plugging rod 602. The auxiliary rubber tube 604 is plugged with the limiting groove body 603 through the external thread limiting strip body 605, and is connected and positioned through the internal thread fastening ring 606. A second collecting groove 607 is set on the side of the auxiliary rubber tube 604 and a second collecting groove 607 is set on the auxiliary rubber tube 604. A circular trough 608 and a third collecting trough 609 are provided at the bottom end of 04, and their functions are to seal and protect the plug-in trough when entering the plug-in trough to prevent foreign impurities such as gravel from entering the plug-in trough; and to clean and collect dust particles and impurities in the plug-in trough; when subsequent construction is carried out, it is necessary to release the protection of the pipe pile head 1, and when the sealing plug rod 602 is separated from the plug-in trough, it has a certain effect of removing dust particles and impurities in the plug-in trough.

[0051] Example 3: Based on Example 2, please refer to Figure 16-Figure 19When the pipe piles are connected for the subsequent construction, a guide device can be connected and set on the protective cover body 401 to provide auxiliary effect for the connection of the pipe piles. The guide device includes a connection ring 701, a guide bucket 702, a positioning plug 703, a through groove 704, an auxiliary placement groove 705 and a tightening screw 706; the bottom end of the connection ring 701 is symmetrically fixed with a positioning plug 703, and the top end of the connection ring 701 is fixed with a guide bucket 702, a through groove 704 is provided in the positioning plug 703, and the through groove 704 extends to the inner side wall of the guide bucket 702, and the through groove 704 is provided with an auxiliary placement groove 705 at the notch position on the inner side wall of the guide bucket 702, and the tightening screw 706 passes through the through groove 704 and is threadedly connected to the protective cover body 401; wherein the guide bucket 702 has a certain auxiliary effect on the connection of the pipe piles, and provides convenience for the operation of the staff.

[0052] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A precast concrete pipe pile construction device, characterized in that: It includes a supporting frame and a protective cover mechanism; The support frame comprises a support vertical rod (31), a top ring body (32), a support bottom ring (33) and a placement vertical groove (34); the top end of the support vertical rod (31) is fixedly connected to the top ring body (32), the bottom end of the support vertical rod (31) is fixedly connected to the support bottom ring (33), and the placement vertical groove (34) is arranged on the inner side wall of the support vertical rod (31); The support frame is sleeved on the side of the pipe pile head (1); the pipe pile head (1) is arranged in the foundation (2); and an inserting groove is arranged at the end of the pipe pile head (1); The protective cover mechanism is connected to the supporting frame and is arranged on the inner side of the supporting frame.

2. A precast concrete pipe pile construction device according to claim 1, characterized in that: The supporting vertical rods (31) between the top ring body (32) and the supporting bottom ring (33) are arranged at equal distances and in a ring shape.

3. A precast concrete pipe pile construction device according to claim 1, characterized in that: The protective cover mechanism comprises a protective cover body (401), an extension slider (402), a positioning slot (403), a bearing cover plate (404), a positioning clip plate (405), mounting screws (406) and an auxiliary component; the extension slider (402) is symmetrically fixedly arranged at the top side of the protective cover body (401), and the top end surface of the protective cover body (401) is symmetrically provided with a positioning slot (403), a threaded groove is provided in the positioning slot (403), a positioning clip plate (405) is fixedly arranged at the side of the bearing cover plate (404), the positioning clip plate (405) is stuck in the positioning slot (403) and fixed by mounting screws (406), and the bearing cover plate (404) is provided with an auxiliary component.

4. A precast concrete pipe pile construction device according to claim 3, characterized in that: The extension slider (402) is slidably arranged in a placement vertical groove (34) on the inner side wall of the supporting vertical rod (31); and the protective cover body (401) is sleeved on the pipe pile head (1).

5. A precast concrete pipe pile construction device according to claim 3, characterized in that: The auxiliary component comprises a first auxiliary structure and a second auxiliary structure, wherein the first auxiliary structure comprises a threaded through groove (501), a connecting threaded column (502), a placement cavity (503), a rubber inner sleeve (504), a fastening slot (505), a wrapping sleeve cavity (506), a first collecting groove (507), a cleaning brush (508), a connecting threaded port (509), a fastening screw (510), and a limiting ring (511); the threaded through groove (501) is equidistantly arranged in the bearing cover plate (404), the threaded through groove (501) is threadedly connected to the connecting threaded column (502), and a placement cavity (503) is arranged on the end surface of one end of the connecting threaded column (502), a rubber inner sleeve (504) is inserted and placed in the placement cavity (503), and a limiting ring (511) is fixedly arranged on the outer wall of the connecting threaded column (502).

6. A precast concrete pipe pile construction device according to claim 5, characterized in that: The rubber inner sleeve (504) is provided with a wrapping sleeve cavity (506), the inner side wall of the wrapping sleeve cavity (506) is equidistantly provided with first collecting grooves (507), and the first collecting grooves (507) are provided with a cleaning brush (508); the first collecting grooves (507) are equidistantly arranged in a ring shape, and the cleaning brush (508) is equidistantly arranged in a straight line in the first collecting groove (507).

7. A precast concrete pipe pile construction device according to claim 5, characterized in that: The outer wall of the rubber inner sleeve (504) is provided with a fastening slot (505), the connecting threaded column (502) is provided with a connecting threaded opening (509), and the connecting threaded opening (509) is connected to the wrapping sleeve cavity (506), the fastening screw (510) is threadedly connected to the connecting threaded opening (509), and one end of the fastening screw (510) is adapted to be plugged into the fastening slot (505).

8. A precast concrete pipe pile construction device according to claim 5, characterized in that: The second auxiliary structure comprises an externally threaded cylinder (601), a blocking rod (602), a limiting groove (603), an auxiliary rubber tube (604), an externally threaded limiting strip (605), an internally threaded fastening ring (606), a second collecting groove (607), a circular groove (608), a third collecting groove (609) and an anti-fall auxiliary stop strip (610); the externally threaded cylinder (601) is fixedly arranged at the other end of the connecting threaded cylinder (502), and the externally threaded cylinder (601) is away from the connecting threaded cylinder (502). 2) is fixedly provided with a blocking rod (602) at one end, a limiting groove (603) is provided on the externally threaded cylinder (601), the auxiliary rubber tube (604) is sleeved on the blocking rod (602), and an externally threaded limiting strip (605) is fixedly provided at the end of the tube mouth of the auxiliary rubber tube (604); the externally threaded limiting strip (605) and the limiting groove (603) are arranged at corresponding positions, and the two are adapted to be plugged in, and the internally threaded fastening ring (606) is adapted to be threadedly connected with the externally threaded cylinder (601).

9. A precast concrete pipe pile construction device according to claim 8, characterized in that: The outer wall of the auxiliary rubber tube (604) is equidistantly provided with second collecting grooves (607); a circular groove body (608) is provided at the center of the bottom end of the auxiliary rubber tube (604); a third collecting groove body (609) is equidistantly provided at the side of the circular groove body (608); and anti-fall auxiliary blocking strips (610) are provided at the side of the groove openings of both the third collecting groove body (609) and the circular groove body (608); the anti-fall auxiliary blocking strip (610) is provided as a rubber strip, and the anti-fall auxiliary blocking strip (610) is provided in an inclined manner.

10. A construction method for the precast concrete pipe pile construction device according to any one of claims 1 to 9, characterized in that: The construction method is: S1: firstly place the support frame on the side of the pile head (1), that is, place the support bottom ring (33) on the foundation (2), and adjust the position of the support frame so that the pile head (1) is at the center of the support frame; S2: Connect the protective cover mechanism to the support frame, slide the extended slider (402) on the side of the protective cover body (401) into the placement vertical groove (34) in the supporting vertical rod (31) at the corresponding position, and then directly lower the protective cover body (401), the protective cover body (401) is sleeved on the pipe pile head (1), and the bearing cover plate (404) at the top of the protective cover body (401) falls on the pipe pile head (1), and then install the auxiliary components to allow the blocking rod (602) to enter the plug-in groove on the end face of the pipe pile head (1).

Images