CN220565305U - Low-noise breaking hammer - Google Patents

Abstract

The utility model discloses a low-noise breaking hammer, which relates to the field of breaking hammers and comprises a breaking hammer body and a damper, wherein the breaking hammer body comprises a hydraulic cylinder body, a breaking head, a piston and a valve assembly, the damper is arranged between the piston and the breaking head, the damper comprises a damping rod and a damping pad, the damping rod is communicated with the piston through a connecting piece, and the damping pad is assembled between the damping rod and the breaking head. Compared with the prior art, the noise-proof device for the breaking hammer slows down the generation and propagation of the breaking hammer noise and reduces the cost of noise-proof equipment for construction sites.

Description

Low-noise breaking hammer

Technical Field

The utility model relates to the field of breaking hammers, in particular to a low-noise breaking hammer.

Background

A breaking hammer is a heavy mechanical device used in the construction of demolishing buildings, excavating rocks, and the like. The hammer is driven by high-pressure hydraulic oil to strike. Because of its efficient and quick manner of operation, the breaking hammer is widely used in the construction and mining industries.

However, the breaking hammer generates great noise during work, which causes potential harm to the health of workers and surrounding residents. The noise of the breaking hammer mainly comes from the vibration of the body when the breaking hammer works and the impact sound and vibration sound generated by the hammer head when the breaking hammer impacts an object, and the sound can be transmitted to the surrounding environment and influence the hearing and the nervous system of surrounding people.

Along with the enhancement of environmental awareness, the restriction to breaking hammer noise is also stricter, in order to reduce the noise of breaking hammer, the prior art generally adopts the sound insulation wall, and the sound insulation material can effectively spread in the ground gas, absorbs, reflects and scatters sound wave to reduce the influence of sound wave in the airborne reduction construction noise. The method controls noise pollution through external facilities, has high noise reduction cost and consumes more materials.

Disclosure of Invention

The utility model provides a low-noise breaking hammer capable of reducing body vibration aiming at the defects in the prior art. The problems of overlarge working noise of the crushing hammer and overlarge cost for preventing and treating noise pollution are solved.

In order to solve the problems, the utility model is solved by the following technical scheme:

the utility model provides a low noise quartering hammer, includes quartering hammer body and attenuator, its characterized in that: the breaking hammer body comprises a hydraulic cylinder body, a breaking head, a piston and a valve assembly, a damper is arranged between the piston and the breaking head, the damper comprises a damping rod and a damping pad, the damping rod is communicated with the piston through a connecting piece, and the damping pad is arranged between the damping rod and the breaking head.

Preferably, the breaking hammer body is externally wrapped with a shell, and the shell is divided into an inner buffer layer and an outer sound absorption layer.

Preferably, the side of the external sound absorbing layer adjacent to the rubber layer has a plurality of concave-convex structures.

Preferably, the inner buffer layer is made of rubber material, and the outer sound absorbing layer is made of sound absorbing material.

Preferably, the damper comprises a set of adjustment rods for adjusting the vertical displacement.

Preferably, the hydraulic cylinder body is connected with the crushing head through a connecting piece, the piston is communicated with pressure oil in the hydraulic cylinder body, and the valve assembly is arranged between the hydraulic cylinder body and the piston.

Preferably, the connection part of the crushing head and the damper and the connection part of the crushing head and the shell are provided with wear-resistant sleeves.

Preferably, the wear-resistant sleeve is made of rubber material.

Compared with the prior art, the utility model has the beneficial effects that: the shell of the breaking hammer is of a multi-layer structure, and the rubber buffer layer of the inner layer and the sound absorbing material layer of the outer layer can effectively slow down the transmission of vibration and reduce the noise transmission. The concave-convex structure of the surface of the external sound absorption layer of the breaking hammer can increase the diffraction and absorption of sound waves on the surface. The inside of the breaking hammer is provided with a damper for absorbing impact force from the breaking head and reducing noise generated by the breaking hammer to the surrounding environment. The adjusting rod of the damper can enable an operator to adjust the damping coefficient according to different working conditions. The utility model adopts a threaded connection mode to ensure the firmness and the safety of connection. Through adding shell, buffer layer and inside attenuator to the quartering hammer, effectively reduced noise and vibrations that the excavator produced in crushing and demolishment work, improved work efficiency and security.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the following discussion will discuss the embodiments or the drawings required in the description of the prior art, and it is obvious that the technical solutions described in connection with the drawings are only some embodiments of the present utility model, and that other embodiments and drawings thereof can be obtained according to the embodiments shown in the drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic diagram of the front view structure of the present utility model.

Fig. 2 is a schematic view of another angular view structure of the present utility model.

FIG. 3 is a schematic view of another view angle cross-section structure of the present utility model.

Fig. 4 is an enlarged schematic view of a part of structure B in a cross-sectional view of the present utility model.

Fig. 5 is a schematic view of another angular view structure of the present utility model.

Fig. 6 is a schematic view of the structure of the utility model with the housing removed.

In the figure: 1-shell, 2-damper, 3-hydraulic cylinder, 4-crushing head, 5-piston, 6-valve assembly, 7-wear-resisting cover, 11-inner buffer layer, 12-outer sound absorbing layer, 21-damping rod, 22-damping pad, 23-adjusting rod.

Detailed Description

The following description of the embodiments of the present utility model will be made in detail and with reference to the accompanying drawings, wherein it is apparent that the embodiments described are only some, but not all embodiments of the present utility model. All other embodiments, which can be made by a person of ordinary skill in the art without the need for inventive faculty, are within the scope of the utility model, based on the embodiments described in the present utility model.

The embodiment of the utility model provides a low-noise breaking hammer, which can reduce noise pollution generated during construction.

Embodiment 1, as shown in fig. 1 to 6, a low noise breaking hammer comprises a casing 1, a breaking hammer body and a damper 2, wherein the casing 1 has a multi-layer structure, an inner layer is an inner buffer layer 11 made of multi-layer polyurethane materials, and an outer layer is an outer sound absorbing layer 12 made of polyester fibers and steel plates. The polyester fiber surface has a plurality of concave-convex structures, so that more sound waves can be absorbed conveniently. The shell 1 wraps the breaking hammer body, the breaking hammer body comprises a hydraulic cylinder body 3, a breaking head 4, a piston 5 and a valve assembly 6, the hydraulic cylinder body 3 is connected with the piston 5, the valve assembly 6 controls pressure oil in the hydraulic cylinder body from top to bottom, and the piston 5 is connected with the breaking head 4. Between the piston 5 and the crushing head 4, a damper 2 is assembled, the damper 2 comprises a damping rod 21 and a damping pad 22, the damping rod 21 is communicated with the piston 5 through a connecting piece, the damping pad 22 is assembled between the damping rod 21 and the crushing head 4, and an adjusting rod 23 is connected to the damper 2 for adjusting the damping coefficient. In this embodiment, all the connections are threaded connections, so as to ensure the firmness and safety of the connection.

When the device is used, the piston is driven by pressure oil to move downwards under the control of the valve component, so that the crushing head continuously impacts an object. In the working process, the damper can consume impact force and vibration energy generated during partial hammering, and can slightly lighten the impact force, but the impact is not great, and the more obvious effect is that noise and vibration during hammering are reduced, and the service life of equipment is prolonged. The shell of the breaking hammer further slows down the transmission of noise, the inner buffer layer can slow down the transmission of vibration, and the outer sound absorbing layer can absorb more sound waves.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. Accordingly, the embodiments are to be considered in all respects as illustrative and not restrictive. The scope of the utility model is indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (8)

1. The utility model provides a low noise quartering hammer, includes quartering hammer body and attenuator (2), its characterized in that: the breaking hammer body comprises a hydraulic cylinder body (3), a breaking head (4), a piston (5) and a valve assembly (6), a damper (2) is assembled between the piston (5) and the breaking head (4), the damper (2) comprises a damping rod (21) and a damping pad (22), the damping rod (21) is communicated with the piston (5) through a connecting piece, and the damping pad (22) is assembled between the damping rod (21) and the breaking head (4).

2. The low noise breaking hammer according to claim 1, characterized in that: the breaking hammer body is wrapped with a shell (1), and the shell is divided into an inner buffer layer (11) and an outer sound absorption layer (12).

3. The low noise breaking hammer according to claim 2, characterized in that: the side of the external sound absorption layer (12) close to the rubber layer is provided with a plurality of concave-convex structures.

4. The low noise breaking hammer according to claim 2, characterized in that: the inner buffer layer (11) is made of rubber material, and the outer sound absorbing layer (12) is made of sound absorbing material.

5. The low noise breaking hammer according to claim 1, characterized in that: the damper (2) comprises a set of adjustment rods (23) for adjusting the vertical displacement.

6. The low noise breaking hammer according to claim 1, characterized in that: the hydraulic cylinder body (3) is connected with the crushing head (4) through a connecting piece, the piston (5) is communicated with pressure oil in the hydraulic cylinder body (3), and the valve assembly (6) is arranged between the hydraulic cylinder body (3) and the piston (5).

7. The low noise breaking hammer according to claim 1, characterized in that: the connection part of the crushing head (4) and the damper (2) and the connection part of the crushing head and the shell (1) are provided with wear-resistant sleeves (7).

8. The low noise breaking hammer according to claim 7, characterized in that: the wear-resistant sleeve (7) is made of rubber material.