CN211499003U

CN211499003U - Novel breaking hammer

Info

Publication number: CN211499003U
Application number: CN201922167079.8U
Authority: CN
Inventors: 杨卫民
Original assignee: Gansu Xijiang Intelligent Equipment Technology Co ltd
Current assignee: Feicheng Taiyuan Industry And Trade Co ltd
Priority date: 2019-12-06
Filing date: 2019-12-06
Publication date: 2020-09-15
Anticipated expiration: 2029-12-06

Abstract

The utility model discloses a novel breaking hammer, which comprises a hammer body driven by hydraulic pressure, wherein the bottom of the hammer body is provided with a drill rod which can stretch up and down, the lower end of the drill rod forms a conical structure after being processed, the drill rod stretches out and draws back at high frequency under the action of the hammer body, the breaking is realized by utilizing the high-frequency stretching of the drill rod, clamping plates are arranged at the positions at the two sides of the hammer body, the clamping plates and the hammer body adopt a detachable structure, the hammer body is easy to be independently replaced, a plurality of connecting frame plates are arranged between the two clamping plates, and the arrangement of the connecting frame plates is used for strengthening the structure between the two clamping plates; this product can play certain shock absorption effect during broken.

Description

Novel breaking hammer

Technical Field

The utility model relates to a novel quartering hammer.

Background

Hydraulic breakers have become an important work tool for hydraulic excavators, and hydraulic breakers have been mounted on backhoe loaders (also called "busy-both ends") or wheel loaders for breaking work. Hydraulic breakers, also known as hydraulic breakers or hydraulic breakers (hydraulic breaker).

This term is commonly used in Japan and Korea. Also known as hydraulic hammer, which is commonly used by finland, germany. Manufacturers and users in China are called hydraulic crushers, also called hydraulic picks, hydraulic cannons, crushing heads, woodpeckers and the like, and the national standard term is called a hydraulic impact crusher (hydraulic impact crusher). Although the name is five-eight doors, the two are the same machine tool, the machine tool takes hydrostatic pressure as power to drive a piston to reciprocate, the piston impacts a drill rod at high speed during stroke, and the drill rod breaks solid such as ore, concrete and the like. The hydraulic breaking hammer is full of the market of China, and in the 'eleven-five' period, with the help of the good opportunity of the rapid development of the hydraulic breaking hammer market of China, domestic hydraulic breaking hammer enterprises grow up rapidly, and the market share of domestic brands is continuously improved. However, as the hydraulic breaking hammer market in China is in a fast growth period, the brands are numerous, the market is filled with spliced products and fake and inferior products, and only a few domestic brands with real influence are 'Beilite', 'Wangyuan', 'Aidi', 'surprise' and the like.

In the prior art, during the process of crushing, as the hydraulic arm of the excavator is rigidly connected with the crushing hammer, the vibration generated during crushing completely acts on the crushing hammer and the hydraulic arm, so that the abrasion of the connection structure of the hydraulic arm and the crushing hammer is caused. Resulting in a larger frame size.

Based on the problems, a novel breaking hammer capable of playing a certain shock absorption effect during the breaking process is designed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a novel quartering hammer that can play certain shock absorption effect during broken is provided.

The utility model discloses a realize through following technical scheme:

the utility model provides a novel quartering hammer, includes one and adopts hydraulic drive's hammer block, and the bottom of hammer block has a drill rod that can stretch out and draw back from top to bottom, forms a toper structure after the lower extreme processing of drill rod, and under the effect of hammer block, the drill rod high frequency is flexible, utilizes the high frequency of drill rod to stretch out and draw back, realizes the breakage the both sides position department of hammer block installs splint, and what splint and hammer block adopted is the structure of detachable, easily solitary change the hammer block, two be equipped with polylith even frame plate between the splint, even setting of frame plate is played the structure between two splint and is strengthened. Screws are matched between the connecting frame plate and the clamping plates, a plurality of bolts are assembled between the two clamping plates, round pipes are welded at the front end face and the rear end face of the hammer body, the bolts penetrate through the round pipes, the bolts and the round pipes are coaxially arranged, a first damping sleeve made of soft rubber is assembled between the bolts and the round pipes, when the hammer body is crushed, the drill rod and the crushed object are frequently contacted to generate strong vibration, the hammer body can obtain a space capable of absorbing small-amplitude vibration through the arranged first damping sleeve, oil leakage caused by vibration of the hammer body is reduced, and the bolts penetrate through the first damping sleeve; a first shaft and a second shaft which are matched with a hydraulic arm of the excavator are assembled between the two clamping plates, and the clamping plates are thickened at positions passing through the first shaft and the second shaft to form reinforced parts; and a damping support device is matched between the clamping plate and the hammer body 1.

Preferably, the edge of the outer wall of the clamping plate is thickened to form a reinforcing edge, and the thickness of the reinforcing edge is consistent with that of the clamping plate; strengthen the limit and obtain by the casting, consequently the preparation is comparatively simple and convenient, strengthens the structural stability that the setting of limit can increase splint, reduces the deformation of splint.

Preferably, the reinforcing edge and the clamping plate are of a cast integral structure.

Preferably, the damping support device comprises a damping sleeve made of rubber, an axially-penetrating deformation hole is formed in the damping sleeve, the deformation hole is a stepped hole, a steel sleeve is sleeved on a stepped surface of the deformation hole, a stress hole is formed in the inner side of the steel sleeve and is also a stepped hole, a pre-tightening screw is screwed into the outer side of the clamping plate, and the pre-tightening screw acts on the stepped surface of the stress hole; the damping and supporting device mainly plays a limiting effect on the hammer body, avoids the transverse movement of the hammer body, is flexible and limited, and can also help the hammer body to absorb shock when playing a limiting effect.

Preferably, a plurality of annular deformation grooves are formed at the inner wall of the deformation hole in an injection molding mode; the deformation groove is convenient for the deformation of the damping sleeve to absorb shock.

Preferably, a guard plate is fixed between the outer sides of the two clamping plates through screws, and the guard plate shields the hammer body; during the crushing, more broken stones are generated, and the hammer body can be protected through the guard plate.

The utility model has the advantages that:

1) the product adopts a detachable structure, namely the clamping plates can be detached from the hammer body, the first shaft and the second shaft which are assembled between the clamping plates are used for connecting the hydraulic arm, and the hammer body can be maintained without detaching the first shaft and the second shaft after being damaged;

2) the hammer body is connected with the drill rod through the bolts, the drill rod is connected with the hammer body through the bolts, the first damping sleeve is arranged between the bolts and the circular tube, and the generated vibration force is absorbed by the first damping sleeve when the hammer body drives the drill rod to perform crushing operation. Therefore, the vibration force borne by the clamping plate can be relieved, the vibration transmitted to the hydraulic arm is reduced, and the damage probability of the connecting position of the hydraulic arm and the product is reduced;

3) the structure of this product is comparatively simple, and the cost is comparatively cheap, is fit for using widely.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a front view of the present invention;

fig. 2 is a side view of the present invention;

fig. 3 is a sectional view of the damping sleeve.

Detailed Description

All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.

Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.

In the description of the present invention, it is to be understood that the terms "one end", "the other end", "the outside", "upper", "inside", "horizontal", "coaxial", "central", "end", "length", "outer end", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, in the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise explicitly specified or limited, the terms "set", "coupled", "connected", "penetrating", "plugging", and the like are to be understood in a broad sense, and may be, for example, fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The novel breaking hammer comprises a hammer body 1 driven by hydraulic pressure, a drill rod 2 capable of stretching up and down is arranged at the bottom of the hammer body 1, a conical structure is formed after the lower end of the drill rod 2 is machined, the drill rod 2 stretches in a high frequency mode under the action of the hammer body 1, breaking is achieved by means of high-frequency stretching of the drill rod 2, clamping plates 3 are mounted at positions on two sides of the hammer body 1, the clamping plates 3 and the hammer body 1 are of a detachable structure, the hammer body is easy to replace independently, a plurality of connecting frame plates 4 are mounted between the clamping plates 3, and the connecting frame plates 4 are arranged to strengthen the structure between the two clamping plates 3. Screws 401 are matched between the connecting frame plate 4 and the clamping plates 3, a plurality of bolts 5 are assembled between the two clamping plates 3, round pipes 6 are welded at the front end surface and the rear end surface of the hammer body 1, the bolts 5 penetrate through the round pipes 6, the bolts 5 and the round pipes 6 are coaxially arranged, first damping sleeves 7 made of soft rubber are assembled between the bolts 5 and the round pipes 6, when the hammer body 1 is crushed, a drill rod frequently contacts with a crushed object to generate strong vibration, the hammer body 1 can obtain a small vibration absorption space through the arranged first damping sleeves 7, oil leakage caused by vibration of the hammer body 1 is reduced, and the bolts 5 penetrate through the first damping sleeves 7; a first shaft 8 and a second shaft 9 which are matched with a hydraulic arm of an excavator are assembled between the two clamping plates 3, and the clamping plates 3 are thickened at the positions passing through the first shaft 8 and the second shaft 9 to form a reinforcing part 10; a damping support device 11 is matched between the clamping plate 3 and the hammer body 1.

In a preferred embodiment of the present invention, the edge of the outer wall of the clamping plate 3 is thickened to form a reinforcing edge 301, and the thickness of the reinforcing edge 301 is the same as the thickness of the clamping plate 3; the reinforcing edge 301 is obtained by casting, so that the manufacturing is simple, the structural stability of the clamping plate 3 can be improved by the arrangement of the reinforcing edge 301, and the deformation of the clamping plate 3 is reduced.

In a preferred embodiment of the present invention, the reinforcing rim 301 and the clamping plate 3 are cast integrally.

In a preferred embodiment of the present invention, the damping support device 11 includes a damping sleeve 12 made of rubber, the damping sleeve 12 has a deformation hole 13 axially penetrating through the damping sleeve 12, the deformation hole 13 is a stepped hole, a steel sleeve 14 is sleeved on the stepped surface of the deformation hole 13, a stress hole 15 is disposed inside the steel sleeve 14, the stress hole 15 is also a stepped hole, a pre-tightening screw 16 is screwed into the outer side of the clamping plate 3, and the pre-tightening screw 16 acts on the stepped surface of the stress hole 15; the damping and supporting device 11 mainly plays a limiting effect on the hammer body, avoids the transverse movement of the hammer body, is flexible and limited, and can also help the hammer body 1 to absorb shock when playing a limiting effect.

In a preferred embodiment of the present invention, a plurality of annular deformation grooves 131 are formed at the inner wall of the deformation hole 13 by injection molding; the deformation grooves 131 are provided to facilitate the deformation absorption of the damping sleeve 12.

In a preferred embodiment of the present invention, a guard plate 17 is fixed between the outer sides of the two clamping plates 3 by screws, and the guard plate 17 shields the hammer body 1; during the crushing, more crushed stones are produced, and the hammer body can be protected by the guard plate 17.

The utility model has the advantages that:

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the creative work should be covered within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.

Claims

1. The utility model provides a novel quartering hammer, includes one and adopts hydraulic drive's hammer block (1), and the bottom of hammer block (1) has a drill rod (2) that can stretch out and draw back from top to bottom, its characterized in that: the hammer is characterized in that clamping plates (3) are installed at two sides of the hammer body (1), a plurality of connecting frame plates (4) are assembled between the two clamping plates (3), screws (401) are matched between the connecting frame plates (4) and the clamping plates (3), a plurality of bolts (5) are assembled between the two clamping plates (3), round pipes (6) are welded at the front end face and the rear end face of the hammer body (1), the bolts (5) penetrate through the round pipes (6), the bolts (5) and the round pipes (6) are coaxially arranged, a first damping sleeve (7) made of soft rubber is assembled between the bolts (5) and the round pipes (6), and the bolts (5) penetrate through the first damping sleeve (7); a first shaft (8) and a second shaft (9) which are matched with a hydraulic arm of the excavator are assembled between the two clamping plates (3), and the clamping plates (3) are thickened at positions passing through the first shaft (8) and the second shaft (9) to form a reinforcing part (10); and a damping support device (11) is matched between the clamping plate (3) and the hammer body (1).

2. The new breaking hammer of claim 1, characterized in that: the outer wall edge of splint (3) forms after the thickening and strengthens limit (301), strengthen the thickness on limit (301) with the thickness of splint (3) is unanimous.

3. The new breaking hammer of claim 2, wherein: the reinforcing edge (301) and the clamping plate (3) are of a cast integrated structure.

4. The new breaking hammer of claim 1, characterized in that: shock attenuation strutting arrangement (11) are including shock attenuation cover (12) of a rubber material, the inside of shock attenuation cover (12) has deformation hole (13) that an axial runs through, deformation hole (13) are the shoulder hole the cover is equipped with a steel bushing (14) on the step face of deformation hole (13), the inboard of steel bushing (14) is provided with a atress hole (15), atress hole (15) also are the shoulder hole the outside screw in of splint (3) has pretension screw (16), act on behind pretension screw (16) on the step face of atress hole (15).

5. The new demolition hammer as claimed in claim 4 wherein: a plurality of annular deformation grooves (131) are formed in the inner wall of the deformation hole (13) in an injection molding mode.

6. The new breaking hammer of claim 1, characterized in that: a guard plate (17) is fixed between the outer sides of the two clamping plates (3) through screws, and the hammer body (1) is shielded by the guard plate (17).