KR20040052901A - A external antinoise device of pile machine - Google Patents

Abstract

PURPOSE: An external noise reduction device of a hydraulic pile-driver for construction is provided to execute a pile-driving work smoothly in the downtown area by reducing noise of a pile-driver by using soundproofing materials. CONSTITUTION: The external noise reduction device of a hydraulic pile-driver for construction comprises a metallic/nonmetallic cylinder type noise reduction device(120) containing soundproofing materials(130) installed to the outside of a pile-driver to reduce the internal noise of a hydraulic pile-driver(200), and sound-absorbing cloth installed to reduce the noise of a contact part between the lower part of a pile-driver(200) and the front of a pile.

Description

External noise reduction device for hydraulic helm for construction {A external antinoise device of pile machine}

The present invention relates to a noise reduction device attached to a pile pile machine for construction, and more particularly, to a noise reduction device suitable for pile driving operations in places where a large number of civil complaints are concerned because of a large noise in adjacent structures.

Here, the noise refers to a sound that harms the pleasant living environment of the human being, or a sound that is not desired by the human being. Such noise has a particularly high frequency during construction and a driving noise as a representative noise source. The navigator allows the foundation work for construction by piercing the pile such as steel pipe pile and reinforced concrete pile, and the diesel pile hammer which freely falls by attaching a diesel engine as a navigator of the conventional navigator. For example, there is a hydraulic impact hammer that is driven by hydraulic pressure. The diesel pile hammer has a structure in which the explosion force of the diesel engine raises the ram, and then the descending force of the ram strikes the pile. On the other hand, the hydraulic pile hammer has a structure that strikes the pile by the downward movement of the ram by the hydraulic up and down movement by the hydraulic pressure. However, diesel pile hammers are not only noisy enough to pollute the natural environment due to the smoke generated by the engine, but also affect the living environment, and the large vibration generated when the ram hits the pile causes cracks in adjacent structures. Sometimes. In addition, the driving device using the compressed air and steam force may have the advantage of slightly reducing the soot, but the problem that the vibration and noise is generated more. Hydraulic pile hammers also have no smoke and have many advantages over diesel pile hammers, but they are not sufficient for noise reduction. In order to reduce noise caused by the use of navigators, a fence-type sound insulation panel may be installed around the navigator. However, the efficiency of reducing noise propagated over the sound insulation panel is extremely low, and inconvenience of having to change the position of the sound insulation panel every time the crane is operated. Since this occurs, there is a big limitation in the provision of space for the soundproof panel installation.

Therefore, an object of the present invention is to reduce the noise by mounting a cylindrical noise reduction device of metal and non-metal material with a soundproof material inserted outside the conventional hydraulic pile hammer ride.

In order to achieve the above object, the present invention is composed of two semi-circular cylinders that form a cylinder to the outside of the rider as a rider mounted on a crane. The semicircular cylinders of this metallic and non-metallic material have a soundproof material inserted therein. The semi-circular cylinder covers the upper part of the drive cap from the upper part of the navigator to the upper part of the drive cab, and the sound absorbing cloth is banded from the drive cap to the tip of the pile to cut off the noise source of the driving machine. It features.

1: Front view of existing hydraulic navigator

Figure 2 is a perspective view before installation of a cylindrical noise reduction device of the metal and non-metal material with the soundproof material is mounted to the outside of the ride ride of the present invention

Figure 3 is a perspective view before mounting the cylindrical noise reduction device made of metal and non-metal material as a single material mounted to the outside of the ride ride of the present invention

4: Front projection and perspective view of a navigator equipped with a cylindrical noise reduction device and banding a sound absorbing cloth

Figure 5 is a reference diagram showing a state in which the hydraulic driving device equipped with the noise reduction device of the present invention is mounted on the crane and used

<Description of the symbols for the main parts of the drawings>

100: cylinders made of metal and nonmetal

110: Noise reduction device internal guide

120: Metal and non-metallic cylinder into which the soundproof material is inserted

130: soundproof material inserted into the cylinder

200: hydraulic navigation

210: drive cap of the flying machine

220: sound absorption cloth

300: File

400: crane

410: anti crane crane column

Hereinafter, exemplary embodiments of the present invention have been described in detail with reference to the accompanying drawings. First, Figure 1 shows the front of the existing hydraulic helm. Figure 2 is an exploded perspective view of a cylindrical noise reduction device of metal and non-metal material with a soundproof material mounted on a driving machine.

3 is an exploded perspective view of a cylindrical noise reduction device made of metal and nonmetal as a single material having a large sound insulation and a certain rigidity instead of inserting a soundproof material. Figure 4 is a perspective view of the noise reduction device mounted on the aircraft. The lower part of the cab is the bottom of the cab and the pile tip of the pile with a sound absorbing cloth, and the noise inside the hydraulic navigator is reduced by using a cylindrical noise reduction device made of metal and non-metallic material with soundproof material inserted. The contact part is to reduce the noise by using a sound absorbing cloth. 5 is a state in which the hydraulic helm equipped with a noise reduction device is installed in the crane.

As described above, the noise reduction device shown in the present invention considerably reduces the noise inside the driving vehicle generated by using the conventional driving machine by using a cylindrical noise reduction device made of metal and non-metallic material with a soundproof material inserted therein, By using a sound absorbing cloth at the contact portion of the tip of the pile and the file, it is possible to smoothly operate the driving in a noise-sensitive place such as a downtown area.

Claims (2)

Hydraulic rudder equipped with steering device in crane, metal and non-metallic cylinder type and other type of noise reduction device with sound insulation installed outside the helm to reduce noise inside hydraulic helm, and contact with the rudder lower part and pile tip Hydraulic Navigation Noise Reduction Device Composed of Sound Absorbing Cloth to Reduce Partial Noise In the hydraulic rudder equipped with the steering device on the crane, a single material cylinder type and other type of noise reduction device which is made of metal and non-metal materials mounted on the exterior of the helm to reduce the noise inside the hydraulic helm, and has a soundproofing and a certain rigidity. And hydraulic navigating noise reduction device composed of sound absorbing cloth to reduce noise of contacting lower part and pile tip part