A pile driver

Abstract

The utility model relates to the technical field of pile drivers, specifically a pile driver, comprising a fixed seat, a pile driver is arranged at the center of the upper surface of the fixed seat, support columns are arranged near four corners of the lower surface of the fixed seat, a movable plate is arranged below the fixed seat, a fixed cylinder is embedded in the middle of the movable plate, an electric telescopic rod is symmetrically arranged on the upper surface of the fixed seat, the telescopic arm of the electric telescopic rod passes through the fixed seat and is connected with the movable plate, and a protective cover is also arranged on the lower surface of the movable plate outside the fixed cylinder; the pile driver is slidably connected with the support column on the fixed seat by arranging the movable plate, the arrangement of the electric telescopic rod is helpful to adjust the upward and downward movement of the movable plate, and a protective cover is arranged below the movable plate, which is used to protect pile driving under the cooperation of the protective cover, reduce the impact of soil splashing on the surrounding environment, and realize the stable upward and downward movement of the pile hammer in the pile driver under the cooperation of the fixed cylinder with a guide groove, so as to reduce the impact of the pile hammer deviation on the pile driving.

Description

Technical Field

[0001] The utility model relates to the technical field of pile drivers, in particular to a pile driver. Background Art

[0002] A pile driver is a type of pile driving machine that uses impact force to drive piles into the ground. It consists of a pile hammer, pile frame, and auxiliary equipment. Its basic technical parameters are the weight of the impact part, impact kinetic energy, and impact frequency. Pile hammers can be divided into drop hammers, steam hammers, diesel hammers, and hydraulic hammers according to the power source of the movement.

[0003] The utility model with the announcement number CN214143697U discloses a pile driver, which includes a pile driving device, two lifting devices and a positioning device; the pile driving device includes a column and a pile hammer that is liftably arranged on the column; the positioning device includes a positioning clamp and a rotating connecting piece, and the positioning clamp is rotatably connected to the column through the rotating connecting piece; the two lifting devices are respectively used to be detachably connected to the two ends of the pipe pile; when the two lifting devices lift the pipe pile at the same time, the pipe pile can be embedded in the positioning clamp with its axis horizontal; when one of the two lifting devices releases the pipe pile, the pipe pile can be rotated synchronously with the positioning clamp to a posture with its axis vertical;

[0004] The above technical solution has a simple structure and low modification cost, reduces labor cost and demand for manpower, automatically straightens and aligns the pipe piles, and can greatly improve the installation speed and installation accuracy of the pipe piles; however, when piling, the shaking of the hammer affects the continuous piling at the same position, and the deviation of the piling is likely to increase consumption and prolong the time occupied by piling. In addition, the piling device does not have a protective structure to reduce the impact of soil splashing during piling on the surrounding environment, and it is not convenient to limit the piling position and reduce energy consumption. Utility Model Content

[0005] The purpose of the present utility model is to provide a pile driver to solve the problem of a pile driver with the authorization publication number CN214143697U proposed in the above background technology. However, when piling, the shaking of the hammer body affects the continuous piling at the same position, the deviation of the piling is likely to increase consumption and prolong the time occupied by piling, and the piling device has no protective structure to reduce the impact of soil splashing during piling on the surrounding environment, which is inconvenient to limit the piling position and reduce energy consumption.

[0006] To achieve the above objectives, the present invention provides the following technical solutions:

[0007] A pile driver comprises a fixed base, a pile driver is provided at the center of the upper surface of the fixed base, support columns are provided near the four corners of the lower surface of the fixed base, a movable plate is provided below the fixed base, a fixed cylinder is embedded in the middle of the movable plate, electric telescopic rods are symmetrically provided on the upper surface of the fixed base, the telescopic arms of the electric telescopic rods pass through the fixed base and are connected to the movable plate, a protective cover is further provided on the lower surface of the movable plate outside the fixed cylinder, a plurality of transparent windows are embedded in the protective cover, through holes are provided on the movable plate corresponding to the support columns, a pile hammer is provided inside the pile driver, the pile hammer passes through the fixed base, and a guide groove is provided on the fixed cylinder corresponding to the pile hammer.

[0008] Preferably, the top of the support column is welded and fixed to the fixing seat, the bottom of the support column is provided with a limiting plate, and the lower surface of the limiting plate is provided with a pulley.

[0009] In the present invention, the setting of the limit plate helps to limit the bottom position of the movable plate on the support column to prevent the movable plate from separating from the support column. The setting of the pulley helps the overall flexible movement and coordination, and the locking structure on the pulley helps to fix the overall position.

[0010] Preferably, the bottom of the pile driver is fixedly connected to the fixing seat by screws, and the pile hammer is connected to the winding roller assembly inside the pile driver by a steel wire rope.

[0011] In the utility model, a pile driver with a pile hammer is provided, which is helpful for corresponding pile driving coordination, and the pile hammer is accommodated inside the pile driver with the cooperation of the wire rope, which is helpful for the pile hammer to move up and down and realize pile driving coordination.

[0012] Preferably, the outer diameter of the pile driving hammer is matched with the inner diameter of the guide groove, and the bottom of the pile driving hammer is conical.

[0013] In the utility model, a fixing cylinder with a guide groove is provided, and the pile hammer is plugged into and matched with the guide groove, so that the pile hammer can move up and down stably and perform corresponding pile driving cooperation at the same position.

[0014] Preferably, the bottom of the electric telescopic rod is fixedly connected to the fixing seat by screws, the telescopic arm of the electric telescopic rod is slidably connected to the fixing seat, and the end of the telescopic arm of the electric telescopic rod is fixedly connected to the movable plate by screws.

[0015] In the utility model, an electric telescopic rod is provided and connected to an external power supply, and the telescopic arm is extended or shortened to realize the up and down movement of the movable plate, thereby realizing the contact between the fixed cylinder and the protective cover and the ground, which is helpful for stable piling auxiliary cooperation.

[0016] Preferably, a slide groove is provided at the corresponding positions of the upper surface of the movable plate and the support column, the width of the inner wall of the slide groove is adapted to the width of the outer wall of the support column, the inner diameter of the perforation is adapted to the outer diameter of the fixed tube, the fixed tube extends to the middle, and the fixed tube is welded and fixed to the movable plate, and the inner diameter of the guide groove is adapted to the outer diameter of the pile hammer.

[0017] In the utility model, the support column is provided to cooperate with the sliding groove, which helps the movable plate to move up and down stably. With the cooperation of the fixed cylinder, the position of the pile hammer is limited, reducing the impact of shaking on pile driving and reducing the impact of pile driving deviation.

[0018] Preferably, the top of the protective cover is welded and fixed to the movable plate, the transparent windows are arc-shaped, and the transparent windows are distributed in a circular shape with equal intervals, and the transparent windows are bonded and fixed to the protective cover.

[0019] In the utility model, the transparent window is provided to help observe the bottom piling condition in real time, and with the cooperation of the protective cover, the impact of soil splashing during piling on the surrounding environment is reduced.

[0020] Compared with the prior art, the beneficial effects of the present invention are:

[0021] The utility model provides a movable plate in sliding connection with the support column on the fixed seat, and the provision of an electric telescopic rod helps to adjust the upward and downward movement of the movable plate, and a protective cover is provided under the movable plate. The protective cover cooperates with the pile driving to protect the pile and reduce the impact of soil splashing on the surrounding environment. The fixed cylinder with a guide groove cooperates to achieve stable upward and downward movement of the pile hammer in the pile driver, and reduce the impact of the pile hammer deviation on the pile driving.

[0022] The utility model realizes the position limitation of the movable plate on the support column by setting a limit plate. The movable plate is separated from the support column, which affects the pile driving protection and guidance. The pulley installation helps the overall flexible movement and the locking structure on the pulley helps to fix the overall position. The installation of the transparent window helps to observe the pile driving status in real time. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0024] Figure 2 This is a schematic diagram of the structure of the piling state of the utility model;

[0025] Figure 3 This is a schematic diagram of the combined structure of the fixing base and the support column of the utility model;

[0026] Figure 4 This is a schematic diagram of the combined structure of a pile driver and a pile hammer of the present utility model;

[0027] Figure 5This is a schematic diagram of the combined structure of the electric telescopic rod, movable plate and protective cover of the utility model.

[0028] The meaning of each number in the figure is:

[0029] Fixed seat; 10, support column; 11, limit plate; 110, pulley;

[0030] Pile driver; 20. Pile hammer;

[0031] Electric telescopic pole;

[0032] Movable plate; 40, perforation; 41, fixed cylinder; 410, guide groove; 42, slide groove;

[0033] Protective cover; 50. Transparent window. DETAILED DESCRIPTION

[0034] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0035] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like to indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0036] In the description of this application, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "provided with," "mounted / connected," and "connected" should be understood in a broad sense. For example, "connected" can mean a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this application based on the specific circumstances.

[0037] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature specified as "first" or "second" may explicitly or implicitly include one or more of such features. In the description of this utility model, "several" means at least two, such as two, three, etc., unless otherwise specifically defined.

[0038] See also Figure 1-Figure 5 , this embodiment provides a technical solution:

[0039] A pile driver comprises a fixed base 1, a pile driver 2 is provided at the center of the upper surface of the fixed base 1, support columns 10 are provided near the four corners of the lower surface of the fixed base 1, a movable plate 4 is provided below the fixed base 1, a fixed cylinder 41 is embedded in the middle of the movable plate 4, an electric telescopic rod 3 is symmetrically provided on the upper surface of the fixed base 1, the telescopic arm of the electric telescopic rod 3 passes through the fixed base 1 and is connected to the movable plate 4, a protective cover 5 is further provided on the lower surface of the movable plate 4 outside the fixed cylinder 41, a plurality of transparent windows 50 are embedded on the protective cover 5, through-holes 40 are provided on the movable plate 4 corresponding to the support columns 10, a pile hammer 20 is provided inside the pile driver 2, the pile hammer 20 passes through the fixed base 1, and a guide groove 410 is provided on the fixed cylinder 41 corresponding to the pile hammer 20.

[0040] In this embodiment, the top of the support column 10 is welded and fixed to the fixing seat 1 , and a limiting plate 11 is provided at the bottom of the support column 10 . A pulley 110 is provided on the lower surface of the limiting plate 11 .

[0041] In the present invention, the setting of the limit plate 11 helps to limit the bottom position of the movable plate 4 on the support column 10 to prevent the movable plate 4 from separating from the support column 10. The setting of the pulley 110 helps the overall flexible movement and coordination, and the locking structure on the pulley 110 helps to fix the overall position.

[0042] Furthermore, the bottom of the pile driver 2 is fixedly connected to the fixing base 1 by screws, and the pile hammer 20 is connected to the winding roller assembly inside the pile driver 2 by a steel wire rope.

[0043] In the present invention, a pile driver 2 with a pile hammer 20 is provided, which helps to carry out corresponding pile driving cooperation, and the pile hammer 20 is accommodated inside the pile driver 2 with the cooperation of the wire rope, which helps the pile hammer 20 move up and down to achieve pile driving cooperation.

[0044] Specifically, the outer diameter of the pile hammer 20 is adapted to the inner diameter of the guide groove 410 , and the bottom of the pile hammer 20 is conical.

[0045] In the present invention, a fixing cylinder 41 with a guide groove 410 is provided, and the pile hammer 20 is plugged into and matched with the guide groove 410 , so that the pile hammer 20 can move up and down stably and perform corresponding piling cooperation at the same position.

[0046] It should be noted that the bottom of the electric telescopic rod 3 is fixedly connected to the fixing seat 1 by screws, the telescopic arm of the electric telescopic rod 3 is slidably connected to the fixing seat 1, and the end of the telescopic arm of the electric telescopic rod 3 is fixedly connected to the movable plate 4 by screws.

[0047] In the present invention, an electric telescopic rod 3 is provided and connected to an external power supply. The telescopic arm is extended or shortened to realize the up and down movement of the movable plate 4, thereby realizing the contact between the fixed tube 41 and the protective cover 5 and the ground, which is helpful for stable piling auxiliary cooperation.

[0048] Furthermore, a slide groove 42 is provided at the corresponding positions of the upper surface of the movable plate 4 and the support column 10. The width of the inner wall of the slide groove 42 is adapted to the width of the outer wall of the support column 10. The inner diameter of the through hole 40 is adapted to the outer diameter of the fixed tube 41. The fixed tube 41 extends to the middle, and the fixed tube 41 is welded and fixed to the movable plate 4. The inner diameter of the guide groove 410 is adapted to the outer diameter of the pile hammer 20.

[0049] In the present invention, the support column 10 is provided to slide with the slide groove 42, which helps the movable plate 4 to move up and down stably. With the cooperation of the fixed cylinder 41, the position of the pile hammer 20 is limited, reducing the impact of shaking on piling and reducing the impact of piling deviation.

[0050] It is worth adding that the top of the protective cover 5 is welded and fixed to the movable plate 4 , the transparent windows 50 are arc-shaped, and the transparent windows 50 are distributed in a circular shape with equal intervals, and the transparent windows 50 are bonded and fixed to the protective cover 5 .

[0051] In the present invention, the transparent window 50 is provided to help observe the bottom piling condition in real time, and with the cooperation of the protective cover 5, the impact of soil splashing during piling on the surrounding environment is reduced.

[0052] When the pile driver of this embodiment is in use, the user plugs the movable plate 4 with the fixing cylinder 41 into the support column 10 on the fixing base 1, the electric telescopic rod 3 is installed on the fixing base 1, and the telescopic arm of the electric telescopic rod 3 passes through the fixing base 1 and is connected to the movable plate 4, and then the protective cover 5 with the transparent window 50 is connected to the movable plate 4. The pile driver 2 is fixed on the fixing base 1, and the pile hammer 20 in the pile driver 2 passes through the fixing base 1 and is plugged into the guide groove 410 on the fixing cylinder 41. The fixing base 1 is convenient for flexible movement as a whole under the cooperation of the pulley 110 with the locking structure, and is moved to the place where the pile driver needs to be driven. The position of the pile is such that the locking structure locks the position of the pulley 110 to reduce the overall sliding effect. When piling is required, the telescopic wall of the electric telescopic rod 3 is controlled to extend, and the protective cover 5 is in contact with the ground to reduce the impact of soil splashing on the surrounding environment during piling. The internal piling condition can be observed in real time through the transparent window 50. With the cooperation of the fixed cylinder 41, it is helpful to guide the descending pile hammer 20 and reduce the impact of the deviation of the pile hammer 20. The overall combination is easy to install and reduces the time taken by the piling deviation. With the cooperation of the protective cover 5, the piling hole is protected and it is convenient to stably carry out piling cooperation at the same position.

[0053] The above shows and describes the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely preferred examples of the present invention and are not intended to limit the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention, and such changes and improvements fall within the scope of the present invention. The scope of protection claimed in the present invention is defined by the appended claims and their equivalents.

Claims

1. A pile driver, comprising a fixed seat (1), a pile driver (2) is arranged at the center of the upper surface of the fixed seat (1), support columns (10) are arranged near the four corners of the lower surface of the fixed seat (1), a movable plate (4) is arranged below the fixed seat (1), a fixing cylinder (41) is embedded in the middle of the movable plate (4), an electric telescopic rod (3) is symmetrically arranged on the upper surface of the fixed seat (1), and the telescopic arm of the electric telescopic rod (3) passes through the fixed seat (1) and is connected to the movable plate (4), characterized in that: The lower surface of the movable plate (4) is located outside the fixed cylinder (41) and is further provided with a protective cover (5), and a plurality of transparent windows (50) are embedded in the protective cover (5). The movable plate (4) is provided with perforations (40) at positions corresponding to the support columns (10). A pile hammer (20) is provided inside the pile driver (2), and the pile hammer (20) passes through the fixed seat (1), and a guide groove (410) is provided at a position corresponding to the pile hammer (20) on the fixed cylinder (41).

2. The pile driver according to claim 1, characterized in that: The top of the support column (10) is welded and fixed to the fixing seat (1), and the bottom of the support column (10) is provided with a limiting plate (11), and the lower surface of the limiting plate (11) is provided with a pulley (110).

3. The pile driver according to claim 1, characterized in that: The bottom of the pile driver (2) is fixedly connected to the fixing seat (1) via screws, and the pile hammer (20) is connected to the internal winding roller assembly of the pile driver (2) via a steel wire rope.

4. The pile driver according to claim 3, characterized in that: The outer diameter of the pile hammer (20) is matched to the inner diameter of the guide groove (410), and the bottom of the pile hammer (20) is conical.

5. The pile driver according to claim 1, characterized in that: The bottom of the electric telescopic rod (3) is fixedly connected to the fixing seat (1) by means of screws, the telescopic arm of the electric telescopic rod (3) is slidably connected to the fixing seat (1), and the end of the telescopic arm of the electric telescopic rod (3) is fixedly connected to the movable plate (4) by means of screws.

6. The pile driver according to claim 1, characterized in that: A slide groove (42) is provided at a position corresponding to the upper surface of the movable plate (4) and the support column (10); the width of the inner wall of the slide groove (42) matches the width of the outer wall of the support column (10); the inner diameter of the through hole (40) matches the outer diameter of the fixed tube (41); the fixed tube (41) extends to the middle, and the fixed tube (41) and the movable plate (4) are fixed by welding; and the inner diameter of the guide groove (410) matches the outer diameter of the pile hammer (20).

7. The pile driver according to claim 1, characterized in that: The top of the protective cover (5) is welded and fixed to the movable plate (4); the transparent window (50) is in an arc shape, and the transparent windows (50) are distributed in a ring shape at equal intervals; the transparent windows (50) are bonded and fixed to the protective cover (5).

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