Punching cast-in-place pile equipment

Abstract

The utility model belongs to the field of building construction, and discloses a punching filling pile device which comprises a pile casing, an impact hammer and a steel cable connected with the impact hammer. The upper end and the lower end of the pile casing are open, the upper end of the pile casing is detachably connected with a limiting plate, a limiting hole is formed in the limiting plate, and the limiting hole and the pile casing are coaxially arranged. The upper end of the impact hammer is fixedly connected with a first guide rod coaxially arranged, the first guide rod is hollow, the upper end and the lower end of the first guide rod are open, and the first guide rod sleeves the steel cable; the end, away from the impact hammer, of the first guide rod is detachably connected with a coaxially-arranged second guide rod, the second guide rod is hollow, the upper end and the lower end of the second guide rod are open, and a first through groove allowing a steel cable to penetrate through is formed in the peripheral wall of the second guide rod; and through cooperative arrangement of the limiting plate, the first guide rod and the limiting hole, the guidance quality of the impact hammer in the falling process is effectively improved, the problems that the impact hammer deflects and even collides with a pile casing due to shaking of a steel cable are solved, and the hole forming perpendicularity is improved.

Description

Technical Field

[0001] This utility model belongs to the field of building construction, and specifically relates to a perforated pile equipment. Background Technology

[0002] With the continuous development of technology, bored piles are a foundation construction technique that uses an impact hammer to freely fall and impact the soil layer to form a pile hole. The typical construction process is as follows: first, a steel casing is pressed into the soil to prevent the hole wall from collapsing; then, a winch is used to hoist the impact hammer above the casing via a steel cable. By repeatedly lifting and releasing the impact hammer, the soil and rock at the bottom of the hole are impacted, and the broken soil and rock are discharged from the hole through mud circulation, ultimately forming a pile hole of the designed depth, which is then filled with concrete. However, because the impact hammer relies entirely on the steel cable for suspension, it is prone to swaying during lifting and lowering due to the inertia of the winch's start and stop, wind force, etc., causing the impact hammer's falling trajectory to deviate from the designed axis. This swaying not only reduces the verticality of the hole but may also cause the impact hammer to collide with the casing, leading to equipment damage or hole wall collapse and other construction accidents. Therefore, existing technologies suffer from the problem of impact hammer swaying or even colliding with the casing due to steel cable swaying. Utility Model Content

[0003] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a perforated pile equipment that solves the problem that the impact hammer is prone to deflection or even collision with the casing due to the swaying of the steel cable in the existing technology.

[0004] The objective of this utility model can be achieved through the following technical solutions:

[0005] A bored pile device includes a casing, an impact hammer, and a steel cable connecting the impact hammer.

[0006] Both the upper and lower ends of the casing are open. The upper end of the casing is detachably connected to a limiting plate. The limiting plate has a limiting hole, which is placed coaxially with the casing.

[0007] The upper end of the impact hammer is fixedly connected to a first guide rod placed coaxially. The first guide rod is hollow inside and open at both the top and bottom ends. The first guide rod is sleeved on the outside of the steel cable.

[0008] The first guide rod is detachably connected to a second guide rod placed coaxially at the end away from the impact hammer. The second guide rod is hollow inside and open at both the top and bottom. A first through groove for the steel cable to pass through is opened on the peripheral wall of the second guide rod. The first through groove is connected to the interior of the second guide rod and passes through both ends of the second guide rod in the axial direction.

[0009] The outer wall diameters of the first guide rod and the second guide rod are equal to the diameter of the limiting hole, and both the first guide rod and the second guide rail are slidably connected to the limiting hole.

[0010] The first guide rod is fixedly sleeved at the end away from the impact hammer with a first threaded sleeve placed on the same axis, and both ends of the first threaded sleeve are open.

[0011] The inner circumferential wall of one end of the second guide rod is provided with a threaded groove that matches the first threaded sleeve.

[0012] There are multiple second guide rods. Each second guide rod has a second threaded sleeve placed coaxially at the end away from the threaded groove. The second threaded sleeve has the same specifications as the first threaded sleeve.

[0013] The first through groove passes through both ends of the second threaded sleeve along the axial direction, and the first through groove is connected to the inner side of the second threaded sleeve.

[0014] The limiting plate is provided with a second through groove that is connected to the limiting hole, and the second through groove passes through either edge of the limiting plate.

[0015] The upper end face of the casing has a pair of symmetrically placed grooves, both of which are located on the inner side of the outer peripheral wall of the casing. The two ends of the limiting plate are detachably connected to the two grooves respectively.

[0016] Both ends of the limiting plate are detachably connected to the protective sleeve by bolts;

[0017] A fixed ring is fixed on the outer side wall at the upper end of the casing. Multiple hydraulic cylinders are fixed on the fixed ring and placed vertically downward. The multiple hydraulic cylinders are evenly distributed in a ring around the central axis of the casing. Each hydraulic cylinder output end is fixed with a pillow plate.

[0018] The explanations of the nouns, conjunctions, or adjectives used in the above technical solutions are as follows:

[0019] Sliding connection: This type of connection allows components to slide relative to each other in a specific direction and is typically used for connecting devices or components that require linear movement.

[0020] Detachable connection: refers to a connection method that allows two or more components to be easily connected and separated when needed, enabling them to be connected and disassembled quickly and conveniently.

[0021] The beneficial effects of this utility model are:

[0022] 1. The combination of the limiting plate, the first guide rod, and the limiting hole effectively improves the guidance of the impact hammer during its descent, ensuring that the impact hammer always moves vertically along the casing axis. This avoids the problem of the impact hammer deflecting or even colliding with the casing due to the swaying of the steel cable, and also improves the verticality of the hole. As the punching depth increases, the second guide rod can be installed at the end of the first guide rod away from the impact hammer. Through the cooperation of the second guide rod and the limiting hole, the impact hammer continues to be ensured to move vertically along the casing axis. The opening of the first through groove facilitates the fitting of the second guide rod onto the steel cable.

[0023] 2. The combination of the first threaded sleeve, the threaded groove, and the second threaded sleeve facilitates the detachable connection between the first guide rod and the second guide rod. It also facilitates the connection of another second guide rod to the end of any second guide rod away from the impact hammer as the punching depth increases, thereby extending the overall guide length.

[0024] 3. Through the coordinated arrangement of the fixing ring, hydraulic cylinder and bolster plate, when the casing tilts to a certain extent, the tilt of the casing can be corrected by the extension and retraction adjustment of the hydraulic cylinder output end, so that the casing is kept in a vertical position. Attached Figure Description

[0025] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, for those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0026] Figure 1 This is a schematic diagram of the overall structure of the bored pile equipment and crane of this utility model;

[0027] Figure 2 This is a schematic diagram of the structure of the fixing ring part of this utility model;

[0028] Figure 3 This is a partial structural diagram of the first guide rod of this utility model;

[0029] Figure 4 This is a partial structural diagram of the second guide rod of this utility model;

[0030] Figure 5 This is a partial structural diagram of the limiting plate of this utility model. Detailed Implementation

[0031] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0032] This combination Figures 1 to 5This describes an embodiment of a bored pile equipment. Specifically, the bored pile equipment is constructed as a split structure, comprising components such as a casing 100, an impact hammer 200, a steel cable 300, a limiting plate 400, a limiting hole 401, a first guide rod 500, a second guide rod 600, and a first through groove 601. When the steel cable 300 performs a reciprocating winding-releasing process, it drives the impact hammer 200 and the first guide rod 500 to reciprocate up and down, effectively improving the guidance of the impact hammer 200 during its descent and ensuring that the impact hammer 200 always moves vertically along the axis of the casing 100. This avoids the problem of the impact hammer 200 deflecting and colliding with the casing 100 due to the swaying of the steel cable 300, and also improves the verticality of the hole.

[0033] Please refer to Figures 1 to 5 A perforated pile device includes a casing 100, an impact hammer 200, and a steel cable 300 connecting the impact hammer 200.

[0034] The upper and lower ends of the casing 100 are open. The upper end of the casing 100 is detachably connected to a limiting plate 400. A limiting hole 401 is provided on the limiting plate 400. The limiting hole 401 is placed coaxially with the casing 100.

[0035] The upper end of the impact hammer 200 is fixedly connected to a first guide rod 500 placed coaxially. The first guide rod 500 is hollow inside and open at both the upper and lower ends. The first guide rod 500 is sleeved on the outside of the steel cable 300.

[0036] The first guide rod 500 is detachably connected to a second guide rod 600 placed coaxially at the end away from the impact hammer 200. The second guide rod 600 is hollow inside and open at both the top and bottom. A first through groove 601 for the steel cable 300 to pass through is opened on the peripheral wall of the second guide rod 600. The first through groove 601 is connected to the interior of the second guide rod 600 and passes through both ends of the second guide rod 600 in the axial direction.

[0037] The outer wall diameters of the first guide rod 500 and the second guide rod 600 are equal to the diameter of the limiting hole 401, and the first guide rod 500 and the second guide rail are slidably connected to the limiting hole 401.

[0038] It should be noted that this equipment must be used in conjunction with a crane in the existing technology. The crane is equipped with a winch, and the end of the steel cable 300 away from the impact hammer 200 is connected to the winch. The winch is used to wind up or release the steel cable 300. Before the drilling and grouting pile begins, the casing 100 is vertically buried in the soil layer, with the upper end of the casing 100 above the ground surface. Through the cooperation of the crane and the winch, the impact hammer 200 is suspended above the casing 100, and the impact hammer 200 and the casing 100 are placed on the same axis.

[0039] In use, the limiting plate 400 is installed on the casing 100, and the steel cable 300 passes through the inside of the limiting hole 401, so that the impact hammer 200 is located below the limiting plate 400, and the first guide rod 500 slides through the limiting hole 401; when the steel cable 300 performs the reciprocating winding-release process, the steel cable 300 drives the impact hammer 200 and the first guide rod 500 to move up and down reciprocally. Through the cooperation between the first guide rod 500 and the limiting hole 401, the guidance of the impact hammer 200 during the falling process is effectively improved, ensuring that the impact hammer 200 always moves vertically along the axis of the casing 100. This avoids the problem of the impact hammer 200 deflecting or even colliding with the casing 100 due to the swaying of the steel cable 300, and also improves the verticality of the hole.

[0040] As the punching depth increases, the second guide rod 600 can be installed at the end of the first guide rod 500 away from the impact hammer 200. Through the cooperation of the second guide rod 600 and the limiting hole 401, it is ensured that the impact hammer 200 always moves vertically along the axis of the casing 100. Furthermore, the opening of the first through groove 601 facilitates the fitting of the second guide rod 600 onto the steel cable 300.

[0041] The first guide rod 500 is fixedly sleeved at the end away from the impact hammer 200 with a first threaded sleeve 501 placed coaxially, and both ends of the first threaded sleeve 501 are open.

[0042] The inner peripheral wall of one end of the second guide rod 600 is provided with a threaded groove 602 that is compatible with the first threaded sleeve 501.

[0043] The first threaded sleeve 501 and the threaded groove 602 cooperate to achieve a detachable connection between the first guide rod 500 and the second guide rod 600.

[0044] There are multiple second guide rods 600. Each second guide rod 600 has a second threaded sleeve 603 placed coaxially at the end away from the threaded groove 602. The second threaded sleeve 603 has the same specifications as the first threaded sleeve 501.

[0045] Since the second threaded sleeve 603 has the same specifications as the first threaded sleeve 501, the second threaded sleeve 603 on any second guide rod 600 can be threadedly connected to the threaded groove 602 on another second guide rod 600, so that as the punching depth increases, another second guide rod 600 can be connected to the end of the second guide rod 600 away from the impact hammer 200 to extend the overall length.

[0046] The first through groove 601 passes through both ends of the second threaded sleeve 603 along the axial direction, and the first through groove 601 is in communication with the inner side of the second threaded sleeve 603; to avoid the second threaded sleeve 603 interfering with the steel cable 300 entering the inner side of the second guide rod 600.

[0047] The limiting plate 400 has a second through groove 402 that is connected to the limiting hole 401. The second through groove 402 passes through any edge of the limiting plate 400 to facilitate the installation of the limiting plate 400 and ensure that the steel cable 300 can effectively pass through the limiting hole 401.

[0048] The upper end face of the casing 100 is provided with a pair of symmetrically placed grooves 101. The grooves 101 are both located on the inner side of the outer peripheral wall of the casing 100. The two ends of the limiting plate 400 are detachably connected to the two grooves 101 respectively. The setting of the grooves 101 effectively improves the stability of the connection between the limiting plate 400 and the casing 100.

[0049] Both ends of the limiting plate 400 are detachably connected to the protective sleeve 100 by bolts.

[0050] A fixing ring 700 is fixed on the outer side wall of the upper end of the casing 100, and a plurality of vertically downward hydraulic cylinders 701 are fixed on the fixing ring 700. The plurality of hydraulic cylinders 701 are evenly distributed in a ring around the central axis of the casing 100, and a pillow plate 702 is fixed to the output end of each hydraulic cylinder 701.

[0051] Preferably, a tilt sensor may be provided on the fixed ring 700, which is used to monitor the tilt of the fixed ring 700;

[0052] When the casing 100 tilts to a certain extent, and the casing 100 causes the fixing ring 700 to tilt to one side, the tilt of the casing 100 can be corrected by adjusting the extension and retraction of the output end of the hydraulic cylinder 701, so that the casing 100 remains in a vertical position.

[0053] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0054] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims of this utility model.

Claims

1. A punching pile equipment, comprising a casing (100), a percussion hammer (200) and a steel cable (300) connected to the percussion hammer (200), characterized in that: both upper and lower ends of the casing (100) are open, the upper end of the casing (100) is detachably connected with a limiting plate (400), a limiting hole (401) is formed in the limiting plate (400), and the limiting hole (401) is coaxially arranged with the casing (100); a first guide rod (500) is fixedly connected to the upper end of the percussion hammer (200) and coaxially arranged, the first guide rod (500) is hollow and both upper and lower ends thereof are open, and the first guide rod (500) is sleeved outside the steel cable (300); a second guide rod (600) is detachably connected to the end of the first guide rod (500) away from the percussion hammer (200) and coaxially arranged, the second guide rod (600) is hollow and both upper and lower ends thereof are open, a first through slot (601) for the steel cable (300) to pass through is formed in the peripheral wall of the second guide rod (600), the first through slot (601) penetrates through the two ends of the second guide rod (600) in the axial direction, and the first through slot (601) is in communication with the inside of the second guide rod (600); the diameters of the outer walls of the first guide rod (500) and the second guide rod (600) are equal to the diameter of the limiting hole (401), and the first guide rod (500) and the second guide rod (600) are in sliding connection with the limiting hole (401).

2. A jacked pile apparatus according to claim 1, wherein, a first threaded sleeve (501) is fixedly sleeved to the end of the first guide rod (500) away from the percussion hammer (200) and coaxially arranged, and both ends of the first threaded sleeve (501) are open; a threaded groove (602) matched with the first threaded sleeve (501) is formed in the inner peripheral wall of one end of the second guide rod (600).

3. A jacked pile apparatus according to claim 2, wherein, The number of the second guide rods (600) is plural, and a second threaded sleeve (603) coaxially arranged is fixed to the end of each of the second guide rods (600) away from the threaded groove (602), and the second threaded sleeve (603) has the same specification as the first threaded sleeve (501).

4. A jacked pile apparatus according to claim 3, wherein, The first through slot (601) penetrates through the two ends of the second threaded sleeve (603) in the axial direction, and the first through slot (601) is in communication with the inside of the second threaded sleeve (603).

5. A jacked pile apparatus according to claim 4, wherein, A second through slot (402) in communication with the limiting hole (401) is formed in the limiting plate (400), and the second through slot (402) penetrates through any side edge of the limiting plate (400).

6. A jacked pile apparatus according to claim 5, wherein, A pair of symmetrical recesses (101) are formed in the upper end surface of the casing (100), and the recesses (101) are located inside the peripheral wall of the casing (100) and are detachably connected with the limiting plate (400) at the two ends thereof.

7. A jacked pile apparatus according to claim 6, wherein, The limiting plate (400) is detachably connected with the casing (100) by bolts at the two ends thereof.

8. A jacked pile apparatus according to claim 7, wherein, A fixing ring (700) coaxially arranged is fixed to the outer peripheral wall of the upper end of the casing (100), a plurality of hydraulic cylinders (701) vertically arranged are fixed to the fixing ring (700), the plurality of hydraulic cylinders (701) are uniformly distributed in a ring shape around the central axis of the casing (100), and a pillow (702) is fixed to the output end of each of the hydraulic cylinders (701).

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