Piling mechanism

Abstract

The utility model discloses a piling mechanism, which belongs to the field of road guardrail piling and comprises a piling hammer and a round pile, the round pile is of a hollow structure, a mounting hole for mounting a wave-shaped guardrail is formed in the round pile along the radial direction, a limiting pin is detachably mounted in the mounting hole, a guide rod for extending into the round pile is connected onto the piling hammer, and the guide rod is connected onto the round pile. A limiting groove is formed in the end, away from the pile hammer, of the guide rod in the radial direction, and the limiting pin is clamped and matched with the limiting groove to limit relative rotation of the pile hammer and the round pile. The pile driving device has the effects that the stability of the circular pile in the pile driving process is improved, and the circular pile is not prone to rotating.

Description

Technical Field

[0001] The utility model relates to the field of road guardrail piling, in particular to a piling mechanism. Background Art

[0002] The corrugated guardrail is a continuous structure made of corrugated steel guardrail panels spliced ​​together and supported by piles. It is mainly used to prevent out-of-control vehicles from running off the road or rushing into vehicles on the opposite lane. It is an important link to effectively reduce personal injuries and prevent the impact of accidents from further expanding. The corrugated guardrail is widely used in highways, rural roads, bridge roads, municipal roads, etc. due to its significant advantages such as low maintenance cost, durability, good anti-collision performance, strong guidance, convenient and quick installation, and simple and beautiful appearance.

[0003] During the installation of corrugated guardrails, a large number of piles need to be driven into the roadbed. While improving the efficiency of pile driving, it is also necessary to strictly control the verticality of the piles after pile driving. In addition, in order to facilitate the subsequent installation of corrugated guardrails, the normal direction of the corrugated guardrail installation holes on the piles needs to be perpendicular to the extension direction of the road. Therefore, the pile driving work places high demands on the pile driving equipment to keep the piles in a state of non-deflection and non-rotation. At present, during the construction process of existing pile drivers, manual pile support is required to ensure that the piles are not deflected or rotated. However, manual pile support operations have the disadvantages of insufficient work safety for personnel, potential harm to the human body caused by pile driving noise and dust, and high labor costs. Utility Model Content

[0004] The utility model provides a piling mechanism to solve the technical problem of insufficient safety of a manual support operation mode during piling.

[0005] According to one aspect of the utility model, a pile driving mechanism is provided, comprising a pile driving hammer and a round pile, wherein the round pile is a hollow structure, and a mounting hole for mounting a corrugated guardrail is radially provided on the round pile, and a limit pin is detachably installed in the mounting hole, and a guide rod for extending into the round pile is connected to the pile driving hammer, and a limit groove is radially provided at one end of the guide rod away from the pile driving hammer, and the limit pin is engaged with the limit groove to limit the relative rotation of the pile driving hammer and the round pile.

[0006] Optionally, a polygonal limit block is formed at one end of the pile hammer away from the guide rod, and the polygonal limit block cooperates with a driving mechanism on which the pile hammer is installed to limit the relative rotation of the pile hammer and the driving mechanism.

[0007] Optionally, a tapered guide groove connected to the limiting groove is formed on the guide rod, and a width of the tapered guide groove gradually increases from a position close to the limiting groove to a position far from the limiting groove.

[0008] Optionally, the limiting pin includes a pin rod and a pin head arranged at one end of the pin rod, the diameter of the pin head is larger than the diameter of the mounting hole, and an R-shaped pin is arranged at one end of the pin rod away from the pin head.

[0009] Optionally, the guide rod is a hollow structure, and a locking bolt threadedly connected to the pile driver is axially arranged inside the guide rod. A bolt anti-loosening pin is radially penetrated on the guide rod. The bolt anti-loosening pin is located below the locking bolt to support the locking bolt, and an open pin is arranged at the end of the bolt anti-loosening pin.

[0010] Optionally, a mounting step is provided at one end of the guide rod close to the pile driver, and a mounting groove corresponding to the mounting step is provided on the pile driver, the mounting step and the mounting groove are snap-fitted together, and the locking bolt passes through the mounting step and is threadedly connected to the pile driver.

[0011] Optionally, the pile hammer includes a guide portion and a force-applying portion, the diameter of the force-applying portion is larger than the diameter of the guide portion, the guide portion is used to be inserted into a round pile, and the force-applying portion is used to contact an end face of the round pile to apply axial pressure.

[0012] Optionally, one end of the force-applying portion of the guide portion is provided with a chamfer.

[0013] Optionally, the single-side spacing between the guide portion and the inner wall of the round pile is not greater than 2 mm, and the length of the guide portion is not less than 50 mm.

[0014] In summary, the present application includes at least one of the following beneficial technical effects:

[0015] By arranging a limit pin and arranging a limit groove corresponding to the limit pin in the pile hammer, during the piling process, no relative rotation occurs between the pile hammer and the round pile, and at the same time, the rotation and deflection of the pile column in the horizontal plane and the plumb plane are limited, thereby improving the stability of the piling, so that the installation hole on the round pile can always face the road side to facilitate the installation of the corrugated guardrail. During the piling process, there is no need to manually hold the round pile, which improves the safety during construction. It can greatly improve the piling efficiency and ensure the piling effect while reducing the participation of personnel. At the same time, the mechanism has a simple structure, small size, low cost, and convenient later maintenance.

[0016] In addition to the above-described purposes, features and advantages, the present invention has other purposes, features and advantages. The present invention will be further described in detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The drawings constituting a part of this application are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0018] Figure 1 It is a cross-sectional structural diagram of the piling mechanism of the utility model;

[0019] Figure 2 It is a structural schematic diagram of the piling mechanism of the utility model;

[0020] Figure 3 It is a top view of the pile hammer of the utility model;

[0021] Figure 4 It is a structural schematic diagram of the guide rod of the utility model.

[0022] Legend:

[0023] 1. Locking bolt; 2. Locking washer; 3. Pile hammer; 4. Guide rod; 5. Split pin; 6. R-type pin; 7. Round pile; 8. Limit pin; 9. Bolt anti-loosening pin; 10. Mounting hole; 11. Limit block; 12. Limit groove; 13. Conical guide groove. DETAILED DESCRIPTION

[0024] The embodiments of the present invention are described in detail below in conjunction with the accompanying drawings. However, the present invention can be implemented in a variety of different ways as defined and covered below.

[0025] The following is combined with Figure 1-4 This application is described in further detail.

[0026] The present application embodiment discloses a piling mechanism, referring to Figure 1 and Figure 2 The pile driving mechanism includes a pile hammer 3 and a round pile 7. The round pile 7 is a hollow structure. A mounting hole 10 for mounting a corrugated guardrail is radially opened on the round pile 7. A limit pin 8 can be detachably installed in the mounting hole 10. A guide rod 4 for extending into the round pile 7 is connected to the pile hammer 3. A limit groove 12 is radially opened at one end of the guide rod 4 away from the pile hammer 3. The limit pin 8 is engaged with the limit groove 12 to limit the relative rotation of the pile hammer 3 and the round pile 7.

[0027] When the guide rod 4 is inserted into the round pile 7, the limit groove 12 and the limit pin 8 on the round pile 7 are engaged with each other, thereby achieving a fixed fit between the two. This matching mechanism effectively prevents the pile hammer 3 from rotating relative to the round pile 7 during the pile driving process, ensuring that the round pile 7 can be accurately driven into the foundation in a predetermined direction and position. Such a design not only improves the stability and safety of pile driving, but also ensures that the subsequent installation holes 10 of the corrugated guardrail can be correctly aligned, laying the foundation for the smooth installation of the corrugated guardrail. Through this mechanism, the efficiency and quality of the pile driving operation have been significantly improved, while also reducing the reliance on manual operation and reducing safety risks in the operation.

[0028] Reference Figure 1 and Figure 3 A polygonal limit block 11 is formed at one end of the pile hammer 3 away from the guide rod 4. The polygonal limit block 11 cooperates with the driving mechanism on which the pile hammer 3 is installed to limit the relative rotation of the pile hammer 3 and the driving mechanism. In this embodiment, the polygonal limit block 11 is a square, and in other embodiments, it can also be a triangle, a pentagon or other polygons. When the pile hammer 3 is installed on the driving mechanism, the polygonal limit block 11 is tightly matched with the corresponding shape or receiving groove inside the driving mechanism. This geometric match prevents any rotation of the pile hammer 3 relative to the driving mechanism. Such a design ensures the directional stability of the pile hammer 3 when it falls vertically into the pile, and avoids the problem of inaccurate piling caused by rotation. By accurately controlling the direction and position of the pile hammer 3, the accuracy and efficiency of the pile driving operation can be greatly improved, while reducing the dependence on the operator and improving the safety of the operation.

[0029] The guide rod 4 is provided with a tapered guide groove 13 which is connected with the limiting groove 12 . The width of the tapered guide groove 13 gradually increases from a position close to the limiting groove 12 to a position far away from the limiting groove 12 .

[0030] When the stop pin 8 tries to match with the stop slot 12 on the guide rod 4, the tapered guide slot 13 can effectively guide the stop pin 8 to slide smoothly into the stop slot 12 due to its gradually increasing width. This guiding mechanism greatly reduces the difficulty and time of alignment during the installation process, especially in complex or precise construction environments, and can quickly ensure the correct match between the stop pin 8 and the stop slot 12. In addition, the tapered guide slot 13 also helps to reduce the damage to parts that may be caused by improper matching, thereby improving the reliability and durability of the entire mechanism.

[0031] The limit pin 8 includes a pin rod and a pin head arranged at one end of the pin rod, the diameter of the pin head is larger than the diameter of the mounting hole 10, and an R-shaped pin 6 is arranged at the end of the pin rod away from the pin head. When the limit pin 8 is placed in the mounting hole 10, the larger diameter of the pin head prevents the limit pin 8 from completely passing through the mounting hole 10, while the R-shaped pin at the other end locks the limit pin 8 from the other side, ensuring that it is stable in the mounting hole 10 and will not fall off. The role of this design is that it provides a fixed and reliable connection point between the pile hammer 3 and the round pile 7, ensuring that the pile hammer 3 can accurately guide the round pile 7 to sink during the pile driving process, while preventing the round pile 7 from rotating or deflecting when being driven into the soil. In addition, the limit pin 8 of this structure is also easy to install and disassemble, which is convenient for operation when the corrugated guardrail needs to be replaced or adjusted, thereby improving the efficiency and flexibility of the entire pile driving system.

[0032] Reference Figure 1 and Figure 4The guide rod 4 is a hollow structure. A locking bolt 1 threadedly connected to the pile hammer 3 is axially arranged inside the guide rod 4. A bolt anti-loosening pin 9 is radially penetrated on the guide rod 4. The bolt anti-loosening pin 9 is located below the locking bolt 1 to support the locking bolt 1. A cotter pin 5 is arranged at the end of the bolt anti-loosening pin 9. In a specific embodiment, a locking washer 2 is also arranged on the locking bolt 1 to improve the stability of the locking bolt 1 and play a role in preventing loosening.

[0033] A locking bolt 1 threadedly connected to the pile hammer 3 is axially arranged in the hollow structure of the guide rod 4 to fix the pile hammer 3 in an appropriate position. In order to further ensure that the locking bolt 1 will not loosen itself under long-term use or vibration conditions, a bolt anti-loosening pin 9 is radially penetrated on the guide rod 4. This anti-loosening pin is located below the locking bolt 1 and plays a supporting role to ensure that the locking bolt 1 will not loosen or fall off even in a working environment with strong vibration. A cotter pin 5 is designed at the end of the anti-loosening pin. The existence of this cotter pin 5 further improves the stability of the entire structure because it can lock the bolt anti-loosening pin 9 to prevent it from shifting due to vibration or external force. The working principle of this design is that through the threaded connection and the additional locking mechanism (bolt anti-loosening pin 9 and cotter pin 5), a stable connection between the guide rod 4 and the pile hammer 3 is ensured, avoiding any loosening or offset problems that may occur during the construction process, thereby improving the safety, accuracy and reliability of the pile driving operation.

[0034] The guide rod 4 is provided with a mounting step at one end close to the pile hammer 3, and the pile hammer 3 is provided with a mounting groove corresponding to the mounting step. The mounting step and the mounting groove are snap-fitted, and the locking bolt 1 passes through the mounting step and is threadedly connected to the pile hammer 3. The design of the mounting step and the mounting groove enables the guide rod 4 and the pile hammer 3 to be precisely snap-fitted during assembly, thereby achieving fast and reliable positioning. Based on this snap-fitting, a locking bolt 1 passes through the mounting step and is threadedly connected to the pile hammer 3, thereby firmly locking the two components to prevent any loosening or separation during the pile driving process. Such a design has many functions: first, it provides a fast and reliable way to install or remove the guide rod 4 and the pile hammer 3, greatly improving construction efficiency and flexibility; second, through precise mechanical matching and locking mechanisms, the stability and precise alignment of the guide rod 4 and the pile hammer 3 during the pile driving process are ensured, thereby improving the accuracy and safety of the pile driving; finally, this design also reduces the risk of loose connection caused by vibration or repeated impact, and enhances the durability and reliability of the entire pile driving system.

[0035] The pile hammer 3 includes a guide part and a force-applying part. The diameter of the force-applying part is larger than that of the guide part. The guide part is used to be inserted into the round pile 7, and the force-applying part is used to contact the end face of the round pile 7 to apply axial pressure. The guide part is designed to be slender and small in diameter. It is used to be inserted into the hollow interior of the round pile 7, and plays a role in guiding the pile hammer 3 to accurately align with the round pile 7. The diameter of the force-applying part is designed to be larger and is located at the upper end of the guide part. The main function of this part is to directly contact the end face of the round pile 7 and apply axial pressure to the round pile 7 during the pile driving process. When working, the guide part is first inserted into the inside of the round pile 7 to ensure that the pile hammer 3 can fall vertically along the predetermined path, thereby improving the accuracy of pile driving. Subsequently, the force-applying part contacts the end face of the round pile 7, and the pressure applied by the pile driver is directly transmitted to the round pile 7, pushing the round pile 7 into the ground. Since the diameter of the force-applying part is larger than that of the guide part, such a design also helps to disperse the force applied to the end face of the round pile 7, reduce the damage to the round pile 7 caused by excessive concentrated force, and ensure the construction quality.

[0036] The design of the pile hammer 3 optimizes the transmission and distribution of force, ensures high efficiency and high precision during the construction process, and also protects the round pile 7 from excessive damage, thereby improving the safety and reliability of the construction. With such a design, the pile driving operation can be completed with higher precision and efficiency.

[0037] One end of the force-applying part of the guiding part is provided with a chamfer. The chamfer can play a guiding role. During operation, the chamfer design makes the guiding part smoother when inserted into the round pile 7, reducing the resistance or damage caused by sharp edges or irregular contact surfaces.

[0038] The single-side spacing between the guide part and the inner wall of the round pile 7 is not more than 2mm, and the length of the guide part is not less than 50mm. When the pile hammer 3 is driven downward to exert force to drive the round pile 7, its guide part is inserted into the inner cavity of the round pile 7. Due to the close fit between the guide part and the inner wall of the round pile 7 (the gap is only 2mm), this close fit is almost equivalent to a precise guide rail system, ensuring that the pile hammer 3 and therefore the round pile 7 can move in an accurate vertical direction. The longer guide part (length not less than 50mm) increases the contact area, which not only provides a more stable guide, but also increases the friction, thereby further ensuring the linearity of the round pile 7 during the driving process and avoiding any potential deflection. Such a design plays a vital role in the pile driving project: first, it ensures that the round pile 7 can be driven directly and vertically into the ground, which is very important for the stability and bearing capacity of the foundation; second, by reducing the risk of deflection of the round pile 7, the possibility of subsequent correction is reduced, thereby improving construction efficiency and reducing costs.

[0039] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A piling mechanism, characterized in that: The invention comprises a pile hammer (3) and a round pile (7), wherein the round pile (7) is a hollow structure, a mounting hole (10) for mounting a corrugated guardrail is radially provided on the round pile (7), a limit pin (8) is detachably installed in the mounting hole (10), a guide rod (4) for extending into the round pile (7) is connected to the pile hammer (3), a limit groove (12) is radially provided at one end of the guide rod (4) away from the pile hammer (3), and the limit pin (8) is engaged with the limit groove (12) to limit the relative rotation of the pile hammer (3) and the round pile (7).

2. The piling mechanism according to claim 1, characterized in that: A polygonal limit block (11) is formed at one end of the pile hammer (3) away from the guide rod (4), and the polygonal limit block (11) cooperates with a driving mechanism for mounting the pile hammer (3) to limit the relative rotation between the pile hammer (3) and the driving mechanism.

3. The piling mechanism according to claim 1, characterized in that: The guide rod (4) is provided with a tapered guide groove (13) connected to the limiting groove (12), and the width of the tapered guide groove (13) gradually increases from a position close to the limiting groove (12) to a position away from the limiting groove (12).

4. The piling mechanism according to claim 1, characterized in that: The limit pin (8) comprises a pin rod and a pin head arranged at one end of the pin rod, the diameter of the pin head is larger than the diameter of the mounting hole (10), and an R-shaped pin (6) is arranged at one end of the pin rod away from the pin head.

5. The piling mechanism according to claim 1, characterized in that: The guide rod (4) is a hollow structure. A locking bolt (1) threadedly connected to the pile hammer (3) is axially arranged inside the guide rod (4). A bolt anti-loosening pin (9) is radially penetrated on the guide rod (4). The bolt anti-loosening pin (9) is located below the locking bolt (1) to support the locking bolt (1). A cotter pin (5) is arranged at the end of the bolt anti-loosening pin (9).

6. The piling mechanism according to claim 5, characterized in that: The guide rod (4) is provided with a mounting step at one end close to the pile hammer (3), and the pile hammer (3) is provided with a mounting groove corresponding to the mounting step. The mounting step and the mounting groove are snap-fitted together, and the locking bolt (1) passes through the mounting step and is threadedly connected to the pile hammer (3).

7. The piling mechanism according to claim 1, characterized in that: The pile hammer (3) comprises a guide part and a force-applying part, the diameter of the force-applying part is larger than the diameter of the guide part, the guide part is used to be inserted into a round pile (7), and the force-applying part is used to contact the end surface of the round pile (7) to apply axial pressure.

8. The piling mechanism according to claim 7, characterized in that: One end of the force-applying portion of the guide portion is provided with a chamfer.

9. The piling mechanism according to claim 8, characterized in that: The single-side spacing between the guide portion and the inner wall of the round pile (7) is no greater than 2 mm, and the length of the guide portion is no less than 50 mm.

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