A concrete pipe pile and a method for manufacturing the same

Abstract

The application discloses a concrete pipe pile and a preparation method thereof, and relates to the technical field of concrete pipe piles. The concrete pipe pile and the preparation method thereof comprise a steel pipe, a reinforcing mechanism and a mounting assembly, and a bottom plate is arranged on the outer side of the steel pipe. The reinforcing mechanism is arranged on the outer side of the steel pipe and comprises a cement pipe and reinforcing steel bars. The cement pipe is fixedly installed on the outer side of the steel pipe, and a plurality of groups of reinforcing steel bars are arranged on the inner side of the cement pipe. The reinforcing steel bars are arranged in a ring shape. The concrete pipe pile and the preparation method thereof can realize the following effects: the connecting plate of another group of pipe piles is arranged in an opening, the fixing plate of the other group of pipe piles is arranged in a mounting cylinder of a group of pipe piles, two groups of pipe piles are connected, and the inclination of the pipe piles during connection is prevented. The cement pipe in the cement pipe can be reinforced by the reinforcing steel bars and the reinforcing reinforcing steel bars, the cement pipe is prevented from being scratched, the repair of the pipe piles is reduced, the cement pipe in the cement pipe can be reinforced by the reinforcing steel bars and the reinforcing reinforcing steel bars, the toughness of the pipe piles is improved, and the cement pipe is prevented from being cracked during pile driving.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of concrete pipe piles, in particular to a concrete pipe pile and a preparation method thereof. BACKGROUND

[0002] A concrete pipe pile and a preparation method thereof are disclosed in CN112408883A, which relates to the technical field of concrete pipe piles and specifically discloses a concrete pipe pile and a preparation method thereof. The concrete pipe pile comprises concrete and steel bars, and the concrete is made from raw materials including cement 300-320 parts, quartz powder 110-130 parts, sand 650-670 parts, gravel 1320-1350 parts, high-efficiency water reducing agent 8-10 parts, water 120-140 parts, and modified oil vine fiber 15-30 parts. The modified oil vine fiber is obtained by esterification reaction of oil vine stem fiber after alkaline pretreatment with aromatic acid ester. The concrete pipe pile has the advantage of improving the impermeability of the pipe pile.

[0003] The above device is not easy to connect the pipe pile when in use, as the device is easy to cause the pipe pile to be difficult to be completely connected with the pipe pile, which is easy to cause the pipe pile to be inclined, has a safety hazard, is difficult to adjust the position, has a complex structure, is tedious to operate, has poor practicality, is not easy to reinforce the pipe pile, as the device is easy to cause the pipe pile to be cracked when being driven, reduces the service life of the device, is difficult to repair, reduces the construction quality, increases the labor burden, reduces the work efficiency, is not easy to place and move the pipe pile, as the device is easy to cause the pipe pile to be unstable and roll, is easy to cause damage to the pipe pile, wastes production resources and costs, is difficult to move the placement position of the pipe pile, has a small application range, and is not conducive to promotion and use. SUMMARY

[0004] The present application aims to at least solve one of the technical problems in the prior art, and provides a concrete pipe pile and a preparation method thereof, which can solve the problems of not being easy to connect the pipe pile, not being easy to reinforce the pipe pile, and not being easy to place and move the pipe pile.

[0005] To achieve the above-mentioned purpose, the present application provides the following technical scheme: a concrete pipe pile, comprising:

[0006] A steel pipe is provided with a bottom plate on the outer side;

[0007] A reinforcing mechanism is arranged on the outer side of the steel pipe, and the reinforcing mechanism comprises a cement pipe and steel bars. The cement pipe is fixedly installed on the outer side of the steel pipe, and a plurality of groups of steel bars are arranged on the inner side of the cement pipe. The steel bars are arranged in a ring shape.

[0008] The mounting assembly comprises a connecting mechanism, a placing mechanism and a fixing mechanism, the connecting mechanism is arranged on the outer side of the steel pipe and located at both sides of the reinforcing mechanism, the placing mechanism is arranged on the outer side of the steel pipe and located at the outer side of the connecting mechanism, and the fixing mechanism is arranged on the outer side of the steel pipe and located at one side of the placing mechanism.

[0009] Preferably, the reinforcing mechanism further comprises reinforcing steel bars and a coating, the reinforcing steel bars are fixedly arranged on the outer side of the steel bars, the reinforcing steel bars are annular, and the outer side of the cement pipe is sprayed with the coating, which is made of rubber material. The cement pipe can be reinforced by the steel bars and the reinforcing steel bars to improve the toughness of the pipe pile, prevent the cement pipe from cracking during piling, wrap the cement pipe to prevent scratching the cement pipe, reduce the repair of the pipe pile, improve the service life of the pipe pile, improve the construction quality, reduce the labor burden, and improve the work efficiency.

[0010] Preferably, the connecting mechanism comprises a fixing plate, a connecting plate, a sleeve plate and a mounting cylinder, the outer side of the steel pipe is fixedly provided with the fixing plate, the outer side of the fixing plate is fixedly provided with a plurality of connecting plates, the connecting plates are annularly arranged, the outer side of the steel pipe is fixedly provided with the sleeve plate, a plurality of openings are formed in the outer side of the sleeve plate, the openings are annularly arranged, the openings correspond to the connecting plates, and the outer side of the sleeve plate is fixedly provided with the mounting cylinder. Another set of pipe piles can be connected by arranging the connecting plates of another set of pipe piles in the openings, arranging the fixing plates of another set of pipe piles in the mounting cylinders of one set of pipe piles, and arranging the outer side of the fixing plates of another set of pipe piles with the inner side of the mounting cylinders of one set of pipe piles, thereby preventing the pipe piles from tilting during connection.

[0011] Preferably, the placing mechanism comprises a support plate, a placing plate, a moving plate, a mounting rod, a first knob and a baffle, the top of the bottom plate is fixedly provided with two support plates, the outer side of the support plate is fixedly provided with the placing plate, the top of the support plate is fixedly provided with the mounting rod, the moving plate is sleeved on the outer wall of the mounting rod, the outer side of the moving plate is fixedly provided with the baffle, and the first knob is threadedly mounted on the outer wall of the mounting rod. The bottom of the first knob is in contact with the top of the moving plate, the rolling position of the pipe pile can be limited by the placing plate to prevent the pipe pile from rolling and reduce damage to the pipe pile. The production resources and costs are saved, the pipe pile is placed conveniently, the rolling position of the pipe pile can be moved through the rollers, different construction environments can be adapted conveniently, and the application range is wide.

[0012] Preferably, the fixing mechanism comprises a mounting frame, a threaded rod, a guide rod, an adjusting plate and mounting nails, the top of the bottom plate is fixedly provided with the mounting frame, the threaded rod is rotatably arranged between the mounting frame and the bottom plate, the guide rod is fixedly arranged between the mounting frame and the bottom plate, the adjusting plate is arranged between the mounting frame and the bottom plate, the top of the adjusting plate is provided with a threaded hole and a sleeve hole, the adjusting plate is threadedly arranged on the outer wall of the threaded rod through the threaded hole, the adjusting plate is sleeved and arranged on the outer wall of the guide rod through the sleeve hole, and the bottom of the adjusting plate is fixedly provided with a plurality of groups of mounting nails; the handle is rotated to drive the mounting nails to move and insert into the soil under the driving action of the threaded rod and the guiding action of the guide rod, so that the position of the device is fixed, and the device is prevented from deviating.

[0013] Preferably, the top of the mounting frame is provided with an opening, the threaded rod extends to the outside of the mounting frame through the opening and is fixedly provided with a handle, and the structure is simple and the use is convenient.

[0014] Preferably, the outer side of the baffle is provided with two groups of mounting openings, the outer side of the supporting plate is fixedly provided with a connecting rod, the connecting rod is arranged in the mounting opening, and the outer wall of the connecting rod is threadedly provided with a second knob, so that the utility is strong and the device is convenient to promote and use.

[0015] Preferably, the bottom of the bottom plate is rotatably provided with four groups of rollers, the rollers are arranged in a rectangular shape, and the steel pipe is arranged between the two groups of placing plates, so that the safety hidden danger is reduced, the adjustment of the piling position of the pipe pile is reduced, and the construction accuracy is improved.

[0016] A preparation method of the concrete pipe pile, and the preparation method comprises the following steps:

[0017] S1, the reinforcing steel bars are bundled into a cylindrical shape through a reinforcing steel bar machine;

[0018] S2, the reinforcing steel bars are welded on the outer side of the reinforcing steel bars, and the reinforcing steel bars are arranged in a cement pipe processing mold;

[0019] S3, cement is poured in the cement pipe processing mold to prepare the cement pipe;

[0020] S4, the mold is hoisted as a whole and is put into a steam curing pool to be cured with a pool cover, the temperature is controlled at 70-85 DEG C, and the curing lasts for 2-3 hours;

[0021] S5, the mold after curing is demolded and the cured cement pipe is taken out, the inner wall of the cement pipe is checked, the protruding parts are removed, the recessed positions are filled, and a smooth surface is formed;

[0022] S6, a coating layer is sprayed on the outer side of the cement pipe;

[0023] S7, the cement pipe is naturally air-dried.

[0024] Compared with the prior art, the present application has the beneficial effects that:

[0025] (1) The concrete pipe pile and the preparation method thereof, by cooperation of the fixing plate, the connecting plate, the sleeve plate and the mounting cylinder, can connect two groups of pipe piles by setting the connecting plate of another group of pipe piles in the opening, setting the fixing plate of another group of pipe piles in the mounting cylinder of one group of pipe piles, and making the outer side of the fixing plate of another group of pipe piles fit the inner side of the mounting cylinder of one group of pipe piles, prevent the pipe piles from tilting during connection, reduce the security risks, reduce the adjustment of the pipe pile driving position, improve the construction accuracy, and have simple structure, convenient use and strong practicality.

[0026] (2) The concrete pipe pile and the preparation method thereof, by cooperation of the cement pipe, the reinforcing steel bar, the reinforcing reinforcing steel bar and the coating, can reinforce the cement pipe by the reinforcing steel bar and the reinforcing reinforcing steel bar, improve the toughness of the pipe pile, prevent the cement pipe from cracking during pile driving, wrap the cement pipe by the coating to prevent scratching of the cement pipe, reduce the repair of the pipe pile, improve the service life of the pipe pile, improve the construction quality, reduce the labor burden, and improve the work efficiency.

[0027] (3) The concrete pipe pile and the preparation method thereof, by cooperation of the support plate, the placement plate, the moving plate, the mounting rod, the first knob and the baffle, can limit the rolling position of the pipe pile by the placement plate to prevent the pipe pile from rolling and reduce damage to the pipe pile. The production resources and costs are saved, the pipe pile is conveniently placed, the pipe pile placement position can be moved by the roller, different construction environments are conveniently adapted, the application range is wide, the handle is rotated to drive the mounting nail to move and insert into the soil under the driving action of the threaded rod and the guiding action of the guide rod, the position of the device is fixed to prevent the position of the device from deviating, and the device is conducive to promotion and use. BRIEF DESCRIPTION OF DRAWINGS

[0028] The present application will be further described below in combination with the drawings and examples:

[0029] Figure 1 It is a top view of the coating of the concrete pipe pile and the preparation method thereof of the present application;

[0030] Figure 2 It is a structural schematic view of the steel pipe of the concrete pipe pile and the preparation method thereof of the present application;

[0031] Figure 3 It is a left side view of the concrete pipe pile and the preparation method thereof of the present application;

[0032] Figure 4 It is a right side view of the concrete pipe pile and the preparation method thereof of the present application;

[0033] Figure 5A part of the concrete pipe pile and the preparation method thereof of the present application is enlarged;

[0034] Figure 6 A front view of the concrete pipe pile and the preparation method thereof of the present application is shown;

[0035] Figure 7 A rear view of the concrete pipe pile and the preparation method thereof of the present application is shown.

[0036] The figure mark: 1, steel pipe; 2, reinforcing mechanism; 201, cement pipe; 202, reinforcing bar; 203, reinforcing reinforcing bar; 204, coating; 3, connecting mechanism; 301, fixed plate; 302, connecting plate; 303, cover plate; 304, mounting cylinder; 4, placing mechanism; 401, support plate; 402, placing plate; 403, moving plate; 404, mounting rod; 405, first knob; 406, baffle; 5, fixed mechanism; 501, mounting frame; 502, threaded rod; 503, guide rod; 504, adjusting plate; 505, mounting nail; 6, bottom plate; 7, second knob; 8, connecting rod. DETAILED DESCRIPTION

[0037] This part will describe the specific embodiments of the present application in detail, the preferred embodiments of the present application are shown in the drawings, the role of the drawings is to supplement the description of the text part with graphics, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the present application, but it cannot be understood as the limitation of the protection scope of the present application.

[0038] In the description of the present application, it should be understood that the orientation description, such as the orientation or position relationship indicated by up, down, front, back, left, right and the like, is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as the limitation of the present application.

[0039] In the description of the present application, greater than, less than, more than and the like are understood as not including the number, above, below, within and the like are understood as including the number. If the first, second is described, it is only for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or the sequence of indicated technical features.

[0040] In the description of the present application, unless otherwise explicitly limited, the words such as setting, mounting and connecting should be understood in a broad sense, and the person skilled in the art can reasonably determine the specific meaning of the above words in the present application in combination with the specific content of the technical scheme.

[0041] Example one:

[0042] Please refer to Figures 1-7 The application provides a technical scheme: a concrete pipe pile and a preparation method thereof, which comprises a steel pipe 1, a reinforcing mechanism 2 and a mounting assembly, the outer side of the steel pipe 1 is provided with a bottom plate 6; the reinforcing mechanism 2 is arranged on the outer side of the steel pipe 1, the reinforcing mechanism 2 comprises a cement pipe 201 and a reinforcing steel bar 202, the outer side of the steel pipe 1 is fixedly provided with the cement pipe 201, the inner side of the cement pipe 201 is provided with a plurality of groups of reinforcing steel bars 202, and the reinforcing steel bars 202 are arranged in a ring shape; the mounting assembly comprises a connecting mechanism 3, a placing mechanism 4 and a fixing mechanism 5, the connecting mechanism 3 is arranged on the outer side of the steel pipe 1 and located on both sides of the reinforcing mechanism 2, the placing mechanism 4 is arranged on the outer side of the steel pipe 1 and located on the outer side of the connecting mechanism 3, and the fixing mechanism 5 is arranged on the outer side of the steel pipe 1 and located on one side of the placing mechanism 4.

[0043] Further, the reinforcing mechanism 2 further comprises reinforcing steel bars 203 and a coating layer 204, the outer side of the reinforcing steel bar 202 is fixedly provided with the reinforcing steel bars 203, the reinforcing steel bars 203 are arranged in a ring shape, and the outer side of the cement pipe 201 is sprayed with the coating layer 204, the coating layer 204 is made of rubber material, the cement pipe 201 can be reinforced by the reinforcing steel bars 202 and the reinforcing steel bars 203, the pipe pile flexibility is improved, the cement pipe 201 is prevented from cracking in the process of pile driving, the cement pipe 201 is wrapped by the coating layer 204, the cement pipe 201 is prevented from being scratched, the pipe pile is repaired, the service life of the pipe pile is prolonged, the construction quality is improved, the labor burden is reduced, and the work efficiency is improved.

[0044] Example two;

[0045] Please refer to Figures 1-7 On the basis of example one, the connecting mechanism 3 comprises a fixed plate 301, a connecting plate 302, a sleeve plate 303 and a mounting cylinder 304, the outer side of the steel pipe 1 is fixedly provided with the fixed plate 301, the outer side of the fixed plate 301 is fixedly provided with a plurality of groups of connecting plates 302, the connecting plates 302 are arranged in a ring shape, the outer side of the steel pipe 1 is fixedly provided with the sleeve plate 303, a plurality of groups of openings are formed in the outer side of the sleeve plate 303, the openings are arranged in a ring shape, the openings correspond to the connecting plates 302, the outer side of the sleeve plate 303 is fixedly provided with the mounting cylinder 304, another group of pipe piles can be connected by arranging the connecting plates 302 of the another group of pipe piles in the openings, arranging the fixed plate 301 of the another group of pipe piles in the mounting cylinder 304 of one group of pipe piles, and arranging the outer side of the fixed plate 301 of the another group of pipe piles in close contact with the inner side of the mounting cylinder 304 of one group of pipe piles, so that the two groups of pipe piles are connected, and the pipe piles are prevented from tilting when connected.

[0046] The placing mechanism 4 comprises support plates 401, placing plates 402, moving plates 403, mounting rods 404, first knobs 405 and baffles 406, two groups of support plates 401 are fixedly installed on the top of the bottom plate 6, the outer sides of the support plates 401 are fixedly installed with the placing plates 402, the top of the support plate 401 is fixedly installed with the mounting rod 404, the moving plate 403 is sleeved and installed on the outer wall of the mounting rod 404, the outer side of the moving plate 403 is fixedly installed with the baffle 406, the first knob 405 is threadedly installed on the outer wall of the mounting rod 404, the bottom of the first knob 405 is attached to the top of the moving plate 403, the rolling position of the pipe pile can be limited by the placing plate 402, so that the pipe pile is prevented from rolling and the damage to the pipe pile is reduced. The production resources and costs are saved, the pipe pile is conveniently placed, the pipe pile placing position can be moved through the rollers, different construction environments are conveniently adapted, the application range is wide, the outer side of the baffle 406 is provided with two groups of mounting openings, the outer side of the support plate 401 is fixedly installed with the connecting rod 8, the connecting rod 8 is arranged in the mounting opening, the second knob 7 is threadedly installed on the outer wall of the connecting rod 8, the utility is strong, and the second knob 7 is conducive to promotion and use. The bottom of the bottom plate 6 is rotatably installed with four groups of rollers, the rollers are arranged in a rectangular shape, the steel pipe 1 is arranged between the two groups of placing plates 402, the safety hidden danger is reduced, the adjustment of the pipe pile piling position is reduced, and the construction accuracy is improved.

[0047] The fixing mechanism 5 comprises mounting frames 501, threaded rods 502, guide rods 503, adjusting plates 504 and mounting nails 505, the top of the bottom plate 6 is fixedly installed with the mounting frame 501, the threaded rod 502 is rotatably installed between the mounting frame 501 and the bottom plate 6, the guide rod 503 is fixedly installed between the mounting frame 501 and the bottom plate 6, the adjusting plate 504 is arranged between the mounting frame 501 and the bottom plate 6, the top of the adjusting plate 504 is provided with a threaded hole and a sleeve hole, the adjusting plate 504 is threadedly installed on the outer wall of the threaded rod 502 through the threaded hole, the adjusting plate 504 is sleeved and installed on the outer wall of the guide rod 503 through the sleeve hole, a plurality of groups of mounting nails 505 are fixedly installed on the bottom of the adjusting plate 504, the adjusting plate 504 is driven to move and insert into the soil under the driving action of the threaded rod 502 and the guiding action of the guide rod 503 by rotating the handle, the position of the device is fixed, the position deviation of the device is prevented, the top of the mounting frame 501 is provided with a hole, the threaded rod 502 extends to the outside of the mounting frame 501 through the hole and is fixedly installed with a handle, and the structure is simple and the use is convenient.

[0048] Working principle: set the pipe pile between the two groups of devices, make the outer side of the pipe pile fit the inner side of the placing plate 402, make the placing plate 402 support the pipe pile and limit the pipe pile, set the installation moving plate 403 on the outer wall of the installation rod 404, make the outer side of the pipe pile fit the outer side of the baffle 406, the baffle 406 blocks the pipe pile, threadedly install the first knob 405 on the outer wall of the installation rod 404, the bottom of the first knob 405 fits the top of the moving plate 403, fix the moving plate 403, make the bottom plate 6 set in the installation opening, threadedly install the second knob 7 on the outer wall of the connecting rod 8, the outer side of the second knob 7 fits the outer side of the baffle 406, fix the baffle 406, move the device through the roller, drive the pipe pile to move to the appropriate position, rotate the handle, drive the threaded rod 502 to rotate, make the adjusting plate 504 move under the driving action of the threaded rod 502 and the guiding action of the guide rod 503, make the adjusting plate 504 move downward, drive the installation nail 505 to move and insert into the soil, fix the device, when connecting the two groups of pipe piles, make the connecting plate 302 of the other group of pipe piles set in the opening, make the fixing plate 301 of the other group of pipe piles set in the installation cylinder 304 of the group of pipe piles, make the outer side of the fixing plate 301 of the other group of pipe piles fit the inner side of the installation cylinder 304 of the group of pipe piles, connect the two groups of pipe piles, reinforce the cement pipe 201 through the reinforcing steel bar 202 and the reinforcing steel bar 203, improve the toughness of the pipe pile, prevent the cement pipe 201 from cracking during piling, wrap the cement pipe 201 with the coating 204, prevent the cement pipe 201 from being scratched, reduce the repair of the pipe pile, improve the service life of the pipe pile, improve the construction quality, reduce the labor burden, and improve the work efficiency.

[0049] A preparation method of a concrete pipe pile, characterized in that the preparation method of the reinforcing mechanism 2 is:

[0050] S1, the reinforcing steel bar 202 is formed into a cylindrical shape through a reinforcing steel bar machine;

[0051] S2, the reinforcing steel bar 203 is welded on the outer side of the reinforcing steel bar 202, and the reinforcing steel bar 202 is arranged in a processing mold of the cement pipe 201;

[0052] S3, the cement pipe 201 is prepared by pouring cement in the processing mold of the cement pipe 201;

[0053] S4, the mold is hoisted as a whole and placed into a steam curing pool with a pool cover for curing, the temperature is controlled at 70-85 degrees Celsius, and the curing lasts for 2-3 hours;

[0054] S5, the mold after curing is demolded and the cured cement pipe 201 is taken out, the inner wall is checked, the protruding parts are removed, the recessed positions are filled, and a smooth surface is formed;

[0055] S6, spraying a coating 204 on the outside of the cement pipe 201;

[0056] S7, naturally drying the cement pipe 201.

[0057] The embodiments of the present application are described in detail above with reference to the drawings, but the present application is not limited to the above-described embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present application.

Claims

1. A concrete pipe pile, characterized in that, include: A steel pipe (1) with a base plate (6) on the outside; The reinforcement mechanism (2) is located on the outside of the steel pipe (1). The reinforcement mechanism (2) includes a cement pipe (201) and a reinforcing bar (202). The cement pipe (201) is fixedly installed on the outside of the steel pipe (1). Multiple sets of reinforcing bars (202) are arranged on the inside of the cement pipe (201). The reinforcing bars (202) are arranged in a ring. The mounting components include a connecting mechanism (3), a placement mechanism (4), and a fixing mechanism (5). The connecting mechanism (3) is located on the outside of the steel pipe (1) and on both sides of the reinforcing mechanism (2). The placement mechanism (4) is located on the outside of the steel pipe (1) and on the outside of the connecting mechanism (3). The fixing mechanism (5) is located on the outside of the steel pipe (1) and on one side of the placement mechanism (4). The reinforcement mechanism (2) also includes a reinforcing steel bar (203) and a coating (204). The reinforcing steel bar (203) is fixedly installed on the outside of the steel bar (202). The reinforcing steel bar (203) is ring-shaped. The outside of the cement pipe (201) is sprayed with a coating (204), which is made of rubber. The connecting mechanism (3) includes a fixing plate (301), a connecting plate (302), a sleeve plate (303), and an mounting cylinder (304). The fixing plate (301) is fixedly installed on the outside of the steel pipe (1). Multiple sets of connecting plates (302) are fixedly installed on the outside of the fixing plate (301). The connecting plates (302) are arranged in a ring. The sleeve plate (303) is fixedly installed on the outside of the steel pipe (1). Multiple sets of openings are opened on the outside of the sleeve plate (303). The openings are arranged in a ring and correspond to the connecting plates (302). The mounting cylinder (304) is fixedly installed on the outside of the sleeve plate (303). The placement mechanism (4) includes a support plate (401), a placement plate (402), a movable plate (403), a mounting rod (404), a first knob (405), and a baffle (406). Two sets of support plates (401) are fixedly installed on the top of the base plate (6). The placement plate (402) is fixedly installed on the outer side of the support plate (401). The mounting rod (404) is fixedly installed on the top of the support plate (401). The movable plate (403) is sleeved on the outer wall of the mounting rod (404). The baffle (406) is fixedly installed on the outer side of the movable plate (403). The first knob (405) is threaded on the outer wall of the mounting rod (404). The bottom of the first knob (405) is in contact with the top of the movable plate (403). The fixing mechanism (5) includes a mounting bracket (501), a threaded rod (502), a guide rod (503), an adjusting plate (504), and mounting pins (505). The mounting bracket (501) is fixedly installed on the top of the base plate (6). The threaded rod (502) is rotatably installed between the mounting bracket (501) and the base plate (6). The guide rod (503) is fixedly installed between the mounting bracket (501) and the base plate (6). An adjusting plate (504) is provided between the mounting bracket (501) and the base plate (6). The top of the adjusting plate (504) is provided with a threaded hole and a sleeve hole. The adjusting plate (504) is threadedly installed on the outer wall of the threaded rod (502) through the threaded hole. The adjusting plate (504) is sleeved on the outer wall of the guide rod (503) through the sleeve hole. Multiple sets of mounting pins (505) are fixedly installed on the bottom of the adjusting plate (504). The top of the mounting bracket (501) has an opening, and the threaded rod (502) extends through the opening to the outside of the mounting bracket (501) and is fixedly mounted with a crank handle; The baffle (406) has two sets of installation openings on its outer side. A connecting rod (8) is fixedly installed on the outer side of the support plate (401). The connecting rod (8) is set in the installation opening. A second knob (7) is threaded on the outer wall of the connecting rod (8). The bottom of the base plate (6) is rotatably equipped with four sets of rollers arranged in a rectangular pattern, and the steel pipe (1) is set between two sets of placement plates (402).

2. A method for preparing concrete pipe piles according to claim 1, characterized in that: The preparation method of the reinforcement mechanism (2) is as follows: S1. The steel bars (202) are shaped into a cylindrical shape using a steel bar bundler; S2. Weld the reinforcing steel bar (203) to the outside of the steel bar (202), and set the steel bar (202) in the processing mold of the cement pipe (201); S3. Pour cement into the processing mold of cement pipe (201) to prepare cement pipe (201); S4. Hoist the mold as a whole and place it into the steam curing tank, cover the tank and cure it. Control the temperature at 70 degrees Celsius to 85 degrees Celsius for 2 to 3 hours. S5. Demold the cured mold and remove the cured cement pipe (201). Inspect its inner wall, remove protruding parts, fill in the depressions, and form a smooth surface. S6. Spray coating (204) on the outside of cement pipe (201); S7. Allow the cement pipe (201) to air dry naturally.

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