CN219157669U - Hanging type guide rod diesel pile hammer - Google Patents

Abstract

The utility model discloses a lifting type guide rod diesel pile hammer which comprises a guide rod, a top beam, a piston, a landing gear and a cylinder hammer, wherein a lifting hammer rope is fastened on the landing gear and can extend upwards through the top beam; the lower side of the piston is fixedly connected with a pile stabilizing cap, and the ratio H/H of the height H of the pile stabilizing cap to the total height H of the pile hammer is 1: (3-3.5); the pile stabilizing cap comprises a pile cap cylinder body, a pile cap top plate is fixedly connected to the upper end of the pile cap cylinder body, a pile guide cylinder is arranged at the lower end opening of the pile cap cylinder body, a pile hammer pad is filled in a central hole of the pile cap top plate, the pile hammer pad is supported on the hammer pad plate, a pile head pad is supported on the pile head pad plate on the lower side of the hammer pad plate, the pile head pad plate is fixedly connected with the pile cap cylinder body, and a pile stabilizing reed is arranged on the inner cylinder wall of the pile cap cylinder body on the lower side of the pile head pad plate. The guide rod diesel hammer not only can effectively protect the hammering pile head, but also can be used for construction without a hammer frame, and is particularly suitable for pile planting construction in places such as ports, bridges or wharfs.

Description

Hanging type guide rod diesel pile hammer

Technical Field

The utility model relates to a guide rod type diesel pile hammer for pile foundation construction, in particular to a guide rod type diesel pile hammer which can be sleeved at the top end of a foundation pile for hammering construction.

Background

Pile foundation construction is an important link in construction projects such as oceans, bridges, ports, wharfs and the like. The guide rod type diesel pile hammer has the advantages of large impact force, high working efficiency, high reliability, convenient use and maintenance and the like, and is widely applied to the construction.

The existing pile driving hammer is composed of a top beam, a landing gear, a cylinder hammer, a piston, a guide rod, an oil way system and the like, wherein the top beam and the piston are respectively fixed at the upper end and the lower end of the guide rod, the landing gear and the cylinder hammer are both slidably mounted on the guide rod and are positioned between the top beam and the piston, the landing gear and the cylinder hammer move up and down by taking the guide rod as a guide, and the landing gear is arranged on the cylinder hammer. The whole pile hammer is supported on a sliding guide rail vertically arranged on a hammer frame in a sliding manner during pile driving, and the hammer frame is a supporting frame body during pile driving.

However, when pile-planting construction is performed in specific places such as ports, bridges or wharfs, the installation of a pile hammer frame is often difficult, or the installation cost of the hammer frame is too high, so that the guide rod type diesel pile hammer cannot be used in the construction places, and the application range of the guide rod type diesel pile hammer is limited. Meanwhile, the guide rod type diesel pile hammer has large explosion impact force, the pile hammer is directly hit at the pile end to easily hit and damage the pile body, especially the concrete pile body, and the hammering force cannot uniformly and accurately act on the pile body, so that the pile sinking efficiency is affected, and the pile head is easily damaged.

Disclosure of Invention

Aiming at the defects existing in the prior art, the utility model aims to provide the diesel pile hammer with the hanging type guide rod, which not only can effectively protect the hammering pile head, but also can avoid construction operation by means of a hammer frame.

In order to solve the technical problems, the lifting type guide rod diesel pile hammer comprises a guide rod, wherein a top beam and a piston are respectively and fixedly arranged at the upper end and the lower end of the guide rod, a landing gear and a cylinder hammer are also slidably arranged on the guide rod, the landing gear and the cylinder hammer can slide up and down along the guide rod, the landing gear is positioned above the cylinder hammer, a lifting hammer rope is fastened on the landing gear, and the lifting hammer rope can extend upwards through the top beam; the lower side of the piston is fixedly connected with a pile stabilizing cap, and the ratio H/H of the height H of the pile stabilizing cap to the total height H of the pile hammer is 1: (3-3.5); the pile stabilizing cap comprises a pile cap cylinder body, the upper end of the pile cap cylinder body is fixedly connected with a pile cap top plate, the lower port of the pile cap cylinder body is provided with a pile guide cylinder, and the pile guide cylinder is in a horn mouth shape; the pile head cushion is supported on the pile head cushion plate, and the pile head cushion plate is fixedly connected with the pile cap cylinder body.

In the structure, as the pile stabilizing reed is arranged on the inner cylinder wall of the pile cap cylinder body at the lower side of the pile head backing plate, and the ratio H/H=1:1 (3-3.5) of the height H of the pile stabilizing cap to the total height H of the pile hammer, the pile stabilizing reed in the pile stabilizing cap is firmly clamped on the pile head of the foundation pile during pile driving, and the reasonable pile stabilizing cap height provides enough pile anti-dumping moment, the pile hammer can be directly sleeved on the top of the foundation pile for hammering and pile driving during pile driving; the lifting hammer rope fastened on the landing gear can not only lift and mount the whole diesel pile hammer on the pile head, but also start the pile hammer by hooking the cylinder hammer through the landing gear. And because the pile hammer pad, the hammer backing plate, the pile head pad and the pile head backing plate are sequentially arranged on the pile cap cylinder body from top to bottom, the pile cap and the foundation pile are relatively stable in position due to the double backing plate structure, the impact force of the cylinder hammer and the stress of the foundation pile are uniform, the double elastic pad of the pile hammer pad and the pile head pad has the buffering and vibration reduction effects, the direct impact force of the cylinder hammer on the pile head is reduced, the pile head is effectively protected, and the pile head is prevented from being damaged.

In the preferred embodiment of the utility model, the pile-stabilizing reed is arranged on the inner cylinder wall of the pile cap cylinder body at the lower side of the pile head backing plate, the pile-stabilizing reed is in a bridge arch structure, and at least one end of the pile reed is fixedly connected to the inner cylinder wall of the pile cap cylinder body. At least 4 pile stabilizing reeds are arranged on the inner cylinder wall of the pile cap cylinder along the circumferential direction. The pile stabilizing cap can be stably and reliably sleeved at the top of the foundation pile, and a pile driving support is provided for the pile driving hammer.

In the preferred embodiment of the utility model, the outer cylinder wall of the pile cap cylinder is fixedly provided with a cylinder reinforcing rib. The foundation pile can be accurately guided into the pile stabilizing cap, and the pile stabilizing cap has enough strength.

In a preferred embodiment of the utility model, the piston is provided with a fuel pump, the pile cap top plate is in an annular plate shape, and the pile hammer pad is positioned in a central hole of the pile cap top plate.

Drawings

The utility model relates to a lifting guide rod diesel pile hammer, which is further described in detail below with reference to the accompanying drawings and detailed description.

FIG. 1 is a schematic diagram of one embodiment of a lift guide diesel pile hammer of the present utility model;

fig. 2 is a schematic cross-sectional view of the pile cap in the structure shown in fig. 1.

In the figure, 1-landing gear, 2-cylinder hammer, 3-piston, 4-pile stabilizing cap, 401-pile cap top plate, 402-pile hammer pad, 403-hammer pad, 404-pile head pad, 405-pile head pad, 406-pile cap cylinder, 407-pile guide cylinder, 408-pile stabilizing reed, 409-connecting bolt, 410-cylinder reinforcement , 5-fuel pump, 6-hammer hook, 7-hammer rope, 8-top beam and 9-guide rod.

Detailed Description

In the lifting type guide rod diesel pile hammer shown in fig. 1, the guide rod diesel pile hammer comprises two guide rods 9 which are parallel to each other, a top cross beam 8 is fixedly arranged at the upper end of each guide rod 9, a middle hole for penetrating through a lifting hammer rope 7 is formed in the middle position of each top cross beam 8, a piston 3 is fixedly arranged at the lower end of each guide rod 9, and a fuel pump 5 is arranged on each piston 3. The landing gear 1 and the cylinder hammer 2 are slidably arranged on the guide rod 9, the landing gear 1 and the cylinder hammer 2 can slide up and down along the guide rod 9, the landing gear 1 is fastened with a lifting hammer rope 7, the lifting hammer rope 7 extends upwards through a middle hole of the top beam 8 and is connected to a suspension arm of a crane, and the diesel pile hammer is lifted and arranged at the position of the head of a foundation pile. The landing gear 1 is hinged with a hammer hook 6, a pile stabilizing cap 4 for sleeving a pile head is fixedly connected to the lower side of the piston 3, the height h=12000 of the pile stabilizing cap 4, the total height h=3500 of the pile hammer, and preferably the ratio H/h=1/(3-3.5) of the height H of the pile stabilizing cap 4 to the total height H of the pile hammer.

As shown in fig. 2, the pile stabilizing cap 4 comprises a pile cap cylinder 406, a pile cap top plate 401 is fixedly connected to the upper end of the pile cap cylinder 406, a central hole is formed in the central position of the pile cap top plate 401, a pile hammer pad 402 is located in the central hole of the pile cap top plate 401, the pile hammer pad 402 is supported on a hammer pad plate 403, the hammer pad plate 403 is movably installed in the pile cap cylinder 406, a pile head pad 404 is padded on the lower side of the hammer pad plate 403, and the pile head pad 404 is supported on a pile head pad 405. Pile head liner 405 is fixedly connected to the inner wall of pile cap cylinder 406 by connecting bolts 409. Eight pile-stabilizing reeds 408 are arranged on the inner cylinder wall of the pile cap cylinder 406 at the lower side of the pile head backing plate 405 along the vertical direction, the pile-stabilizing reeds 408 are made of elastic steel plates, the pile-stabilizing reeds 408 are in bridge arch structures, one end of each pile-stabilizing reed 408 is fixedly connected to the inner wall of the pile cap cylinder 406, and the other end of each pile-stabilizing reed 408 is slidably supported on the inner wall of the pile cap cylinder 406, so that the structure can provide enough elastic clamping force for the pile head. A pile guide cylinder 407 is arranged at the lower port of the pile cap cylinder 406, the pile guide cylinder 407 is in a horn structure, and a cylinder reinforcing rib 401 is fixedly arranged on the outer cylinder wall of the pile cap cylinder 406 so as to enhance the strength of the pile cap cylinder 406.

The foregoing description is not intended to limit the utility model to the particular embodiments disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model as defined by the appended claims.

Claims (5)

1. The utility model provides a lift type guide arm diesel pile hammer, includes guide arm (9), and upper and lower both ends at guide arm (9) are fixed mounting respectively has top crossbeam (8) and piston (3), and still slidable mounting has undercarriage (1) and jar hammer (2) on guide arm (9), and undercarriage (1) and jar hammer (2) all can follow guide arm (9) and slide from top to bottom, and undercarriage (1) are located the top of jar hammer (2), its characterized in that: the landing gear (1) is fastened with a lifting hammer rope (7), and the lifting hammer rope (7) can extend upwards through the top cross beam (8); the lower side of the piston (3) is fixedly connected with a pile stabilizing cap (4), and the ratio H/H=1 of the height H of the pile stabilizing cap (4) to the total height H of the pile hammer is (3-3.5); the pile stabilizing cap (4) comprises a pile cap cylinder body (406), the upper end of the pile cap cylinder body (406) is fixedly connected with a pile cap top plate (401), a pile guide cylinder (407) is arranged at the lower port of the pile cap cylinder body (406), and the pile guide cylinder (407) is in a horn shape; pile hammer pads (402) are filled in the central holes of the pile cap top plate (401), the pile hammer pads (402) are supported on the hammer pad plates (403), pile head pads (404) are arranged on the lower sides of the hammer pad plates (403), the pile head pads (404) are supported on pile head backing plates (405), and the pile head backing plates (405) are fixedly connected with the pile cap cylinder (406).

2. The lift guide diesel pile hammer of claim 1, wherein: pile-stabilizing reed (408) is arranged on the inner cylinder wall of the pile cap cylinder (406) at the lower side of the pile head backing plate (405), the pile-stabilizing reed (408) is in a bridge arch structure, and at least one end of the pile reed (408) is fixedly connected to the inner cylinder wall of the pile cap cylinder (406).

3. A lifting guide diesel pile hammer according to claim 1 or 2, characterised in that: at least 4 pile stabilizing reeds (408) are arranged on the inner cylinder wall of the pile cap cylinder body (406) along the circumferential direction.

4. The lift guide diesel pile hammer of claim 1, wherein: and a cylinder reinforcing rib (410) is fixedly arranged on the outer cylinder wall of the pile cap cylinder (406).

5. The lift guide diesel pile hammer of claim 1, wherein: the fuel pump (5) is arranged on the piston (3), the pile cap top plate (401) is in an annular plate shape, and the pile hammer pad (402) is positioned in a central hole of the pile cap top plate (401).

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