A bored pile punch pile hammer device

Abstract

The utility model discloses a bored pile punch pile hammer device, including pile hammer subassembly, support subassembly and pile hammer drive subassembly, the pile hammer drive subassembly is connected on the support subassembly, the pile hammer subassembly is connected with the pile hammer drive subassembly, the pile hammer subassembly includes the hammer body, the lower end of hammer body is connected with the lower hammer tooth, and the upper end is connected the pile hammer drive subassembly through the sling, the pile hammer subassembly still includes a plurality of reinforcing ribs, outer ring and upper hammer tooth, a plurality of reinforcing ribs are evenly distributed and are connected on the outer wall of hammer body, and the lower end of a plurality of reinforcing ribs is connected with the outer ring, and the outer wall of outer ring is connected with the upper hammer tooth, the support subassembly includes the hammer frame and hammer frame fixed plate, the hammer frame is set up obliquely, and the lower end is connected with the hammer frame fixed plate, and the other side of hammer frame is connected with the inclined support, the utility model discloses the purpose in at overcoming the defect of current and provides a bored pile punch pile hammer device with high stability, and the advantage that the quality of hole forming is excellent.

Description

Technical Field

[0001] This utility model relates to a hammer device for drilling cast-in-place piles. Background Technology

[0002] The bored pile hammer is the core equipment in bored pile construction. It is mainly used to break up geological structures such as rock and soil layers through impact to form pile holes, laying the foundation for subsequent concrete pouring to form the pile. Its performance directly affects the drilling efficiency, pile hole quality, and construction safety.

[0003] Traditional percussion pile hammers have the following problems in complex strata: the impact energy is dispersed, resulting in low drilling efficiency; hole wall collapse or verticality deviation; debris retention affects the hole cleaning efficiency. Existing technologies mostly use a single hammer tooth structure, which cannot take into account both drilling and wall protection, and the solid hammer body hinders the removal of slag.

[0004] Therefore, a drilling hammer device for cast-in-place piles is proposed to address the above problems. Utility Model Content

[0005] The purpose of this utility model is to overcome the existing defects and provide a grouting pile percussion hammer device with the advantages of high stability and excellent hole quality.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a pile hammer device for drilling cast-in-place piles, comprising a pile hammer assembly, a support assembly, and a pile hammer drive assembly;

[0007] The pile hammer drive assembly is connected to the support assembly, and the pile hammer assembly is connected to the pile hammer drive assembly;

[0008] The pile hammer assembly includes a hammer body, the lower end of which is connected to a lower hammer tooth, and the upper end of which is connected to the pile hammer drive assembly via a lifting device.

[0009] Preferably, the pile hammer assembly further includes multiple reinforcing ribs, an outer ring, and upper hammer teeth; the multiple reinforcing ribs are evenly distributed and connected to the outer wall of the hammer body, the lower ends of the multiple reinforcing ribs are connected to the outer ring, and the outer wall of the outer ring is connected to the upper hammer teeth.

[0010] Preferably, the support assembly includes a hammer frame and a hammer frame fixing plate; the hammer frame is arranged at an angle, with its lower end connected to the hammer frame fixing plate, and a diagonal brace connected to the other side of the hammer frame;

[0011] The upper end of the hammer frame is connected to a pulley.

[0012] Preferably, the pile hammer drive assembly includes a winch unit and a steel cable; the winch unit is mounted on the hammer frame fixing plate, the steel cable is connected to the winch unit, and the other end of the steel cable is wound around the pulley and then connected to the lifting device.

[0013] Preferably, the hammer body has a hollow structure inside, and the inner wall is provided with a spiral guide groove.

[0014] Preferably, the hammer body is made of tubular high-strength alloy steel.

[0015] Preferably, the lower hammer teeth are made of high-strength alloy steel.

[0016] Preferably, the lower end of the hammer body is provided with staggered grooves, and the lower hammer teeth are connected to the grooves.

[0017] Compared with existing technologies, the beneficial effects of this utility model are as follows: This bored pile hammer device, through its unique double-hammer tooth design (lower hammer tooth for soil breaking and upper hammer tooth for hole shaping), arranged in a ring array, significantly improves the verticality of the hole and the quality of the hole wall. Specifically, the lower hammer tooth is welded to the bottom of the hammer body for efficient soil breaking and hole opening; simultaneously, the upper hammer tooth is welded to the outer ring of the hammer body, which is reinforced by reinforcing ribs, and is dedicated to shaping the hole wall. This achieves immediate coordination between the lower hammer tooth breaking and the upper hammer tooth shaping, effectively ensuring the vertical accuracy of the hole and the integrity and smoothness of the hole wall. In addition, the hollow structure of the hammer body not only reduces impact disturbance and lowers the risk of hole wall collapse, but also forms an efficient mud return channel, allowing the rock and soil debris generated by the impact to be quickly discharged with the mud, greatly improving the efficiency of hole cleaning and overall construction. By optimizing the impact energy distribution, hole wall shaping control, and debris discharge efficiency, this device provides an efficient, high-quality, and low-risk hole-forming solution for bored pile construction while adapting to complex strata. Attached Figure Description

[0018] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0019] Figure 1 This is a schematic diagram illustrating the application of the bored pile hammer device of this utility model.

[0020] Figure 2 Here are detailed drawings of the pile hammer assembly of this utility model;

[0021] Figure 3 This is a top view of the pile hammer assembly of this utility model;

[0022] Figure 4 This is a bottom view of the pile hammer assembly of this utility model.

[0023] In the diagram: 1. Hammer body; 2. Lower hammer teeth; 3. Lifting device; 4. Reinforcing rib; 5. Outer ring; 6. Upper hammer teeth; 7. Hammer frame; 8. Hammer frame fixing plate; 9. Diagonal brace; 10. Pulley; 11. Winch unit; 12. Steel cable. Detailed Implementation

[0024] 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 of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] Please see Figure 1-4 A pile hammer device for bored piles includes a pile hammer assembly, a support assembly, and a pile hammer drive assembly. The pile hammer drive assembly is connected to the support assembly, and the pile hammer assembly is connected to the pile hammer drive assembly. The pile hammer assembly includes a hammer body 1, with lower hammer teeth 2 connected to the lower end of the hammer body 1, and the upper end connected to the pile hammer drive assembly via a lifting device 3. The hammer body 1 has a hollow internal structure with spiral guide grooves on its inner wall to accelerate the upward return of mud and slag. The hammer body 1 is made of tubular high-strength alloy steel. The lower hammer teeth 2 are also made of high-strength alloy steel. The lower end of the hammer body 1 has staggered grooves, and the lower hammer teeth 2 are connected to the grooves.

[0026] Specifically, the pile hammer assembly also includes multiple reinforcing ribs 4, an outer ring 5, and upper hammer teeth 6; the multiple reinforcing ribs 4 are evenly distributed and connected to the outer wall of the hammer body 1, the lower ends of the multiple reinforcing ribs 4 are connected to the outer ring 5, and the outer wall of the outer ring 5 is connected to the upper hammer teeth 6.

[0027] Specifically, the hammer body 1 is made of tubular high-strength alloy steel, and the top is connected to the lifting device 3 by welding a bagged steel plate for lifting the pile hammer; the lower teeth 2 are made of high-strength alloy steel blocks, and the lower hammer teeth 2 are welded at different heights at the lower pipe opening of the hammer body 1 for breaking up rock and soil and opening holes, and can be replaced according to wear. The outer ring 5 is reinforced by reinforcing ribs 4 and then welded with upper hammer teeth 6 for trimming the hole wall; the hammer body 1 has a hollow structure, forming a channel for mud to return upwards; the stroke is precisely controlled by the pile hammer drive assembly.

[0028] Specifically, the support assembly includes a hammer frame 7 and a hammer frame fixing plate 8; the hammer frame 7 is set at an angle, with the lower end connected to the hammer frame fixing plate 8, and the other side of the hammer frame 7 is connected to a diagonal brace 9; the upper end of the hammer frame 7 is connected to a pulley 10.

[0029] Specifically, the pile hammer drive assembly includes a winch unit 11 and a steel cable 12; the winch unit 11 is mounted on the hammer frame fixing plate 8, and the steel cable 12 is connected to the winch unit 11. The other end of the steel cable 12 is wound around the pulley 10 and then connected to the lifting device 3.

[0030] Specifically, the hammer body 1 is made of tubular high-strength alloy steel, with a lifting device 3 welded to the upper part and lower hammer teeth 2 welded to the lower part. The outer ring 5 is fixed to the hammer body 1 by welding with reinforcing ribs 4, and the upper hammer teeth 6 are welded to the outer ring 5. During construction, the site is leveled, the hammer frame 8 is placed, and the diagonal bracing 9 is deployed to form a stable support. The winch unit 11 raises and lowers the hammer through the steel cable 12. During operation, the winch unit 11 first raises the hammer body to a specified height for free fall, and after the lower hammer teeth 2 cut into the rock strata, the upper hammer teeth 6 scrape the hole wall.

[0031] Specifically, both the lower hammer tooth 2 and the upper hammer tooth 6 are modular designs, allowing for adjustments to the hammer tooth combination based on different geological conditions, making them convenient to use.

[0032] This bored pile hammer device features a unique double-hammer tooth design (lower hammer tooth for soil breaking, upper hammer tooth for hole shaping), arranged in a ring array, significantly improving hole verticality and borehole wall quality. Specifically, the lower hammer tooth is welded to the bottom of the hammer body for efficient soil breaking and hole opening; simultaneously, the upper hammer tooth is welded to the outer ring of the hammer body, reinforced by reinforcing ribs, specifically for shaping the borehole wall. This achieves real-time synergy between lower hammer tooth crushing and upper hammer tooth shaping, effectively ensuring the vertical accuracy of the hole and the integrity and smoothness of the borehole wall. Furthermore, the hollow structure of the hammer body not only reduces impact disturbance and lowers the risk of borehole wall collapse, but also creates an efficient mud return channel, allowing the rock and soil debris generated by the impact to be quickly discharged with the mud, greatly improving hole cleaning and overall construction efficiency. By optimizing impact energy distribution, borehole wall shaping control, and debris discharge efficiency, this device provides an efficient, high-quality, and low-risk borehole solution for bored pile construction, adapting to complex geological formations.

[0033] Finally, it should be noted that the above are merely preferred embodiments of this utility model and are not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A hammer device for drilling cast-in-place piles, characterized in that, Includes pile hammer assembly, support assembly and pile hammer drive assembly; The pile hammer drive assembly is connected to the support assembly, and the pile hammer assembly is connected to the pile hammer drive assembly; The pile hammer assembly includes a hammer body (1), the lower end of which is connected to a lower hammer tooth (2), and the upper end is connected to the pile hammer drive assembly via a lifting device (3).

2. The bored pile hammer device for cast-in-place piles according to claim 1, characterized in that, The pile hammer assembly also includes multiple reinforcing ribs (4), an outer ring (5), and upper hammer teeth (6); the multiple reinforcing ribs (4) are evenly distributed and connected to the outer wall of the hammer body (1), the lower ends of the multiple reinforcing ribs (4) are connected to the outer ring (5), and the outer wall of the outer ring (5) is connected to the upper hammer teeth (6).

3. The bored pile hammer device for cast-in-place piles according to claim 2, characterized in that, The support assembly includes a hammer frame (7) and a hammer frame fixing plate (8); the hammer frame (7) is arranged at an angle, and the lower end is connected to the hammer frame fixing plate (8); the other side of the hammer frame (7) is connected to a diagonal brace (9); The upper end of the hammer frame (7) is connected to a pulley (10).

4. The bored pile hammer device for cast-in-place piles according to claim 3, characterized in that, The pile hammer drive assembly includes a winch unit (11) and a steel cable (12); the winch unit (11) is mounted on the hammer frame fixing plate (8), the steel cable (12) is connected to the winch unit (11), and the other end of the steel cable (12) is wound around the pulley (10) and then connected to the lifting device (3).

5. The bored pile hammer device for cast-in-place piles according to claim 1, characterized in that, The hammer body (1) has a hollow structure inside and a spiral guide groove is provided on the inner wall.

6. The bored pile hammer device for cast-in-place piles according to claim 1, characterized in that, The hammer body (1) is made of tubular high-strength alloy steel.

7. The bored pile hammer device for cast-in-place piles according to claim 1, characterized in that, The lower hammer teeth (2) are made of high-strength alloy steel.

8. The bored pile hammer device for cast-in-place piles according to claim 2, characterized in that, The lower end of the hammer body (1) is provided with staggered slots, and the lower hammer teeth (2) are connected to the slots.

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