CN210459341U

CN210459341U - Excavator quartering hammer easy to maintain

Info

Publication number: CN210459341U
Application number: CN201921303304.XU
Authority: CN
Inventors: 杨卫民
Original assignee: Gansu Xijiang Intelligent Equipment Technology Co Ltd
Current assignee: Qingchuan Henghui Stone Sand Co ltd
Priority date: 2019-08-13
Filing date: 2019-08-13
Publication date: 2020-05-05
Anticipated expiration: 2029-08-13

Abstract

The utility model discloses an easy-to-maintain excavator breaking hammer, which comprises a bracket body for connecting an excavator mechanical arm, namely a power device fixedly arranged at the inner side of the bracket body, namely a drill rod connector arranged at the bottom position of the power device, wherein the drill rod connector is matched with a drill rod; adopt the cooperation form of drill rod connector and drill rod in this product, lock through the bolt, when needing to be changed the drill rod, only need to screw down the bolt and can change, it is comparatively convenient to change, and the bolt can also play overload protection's effect simultaneously, and when the overdraft that the arm was applyed was too big, the bolt can take place the rupture, avoids the drill rod to deform, and the structure of this product is comparatively simple, and the cost is comparatively cheap, is fit for using widely.

Description

Excavator quartering hammer easy to maintain

Technical Field

The utility model relates to an easy to maintain's excavator quartering hammer.

Background

The breaking hammer is also called a hydraulic pick and a hydraulic gun, the power source of the breaking hammer is pressure oil provided by a pump station of an excavator or a loader, and the breaking hammer can effectively clean floating stones and soil in rock gaps in the process of excavating a building foundation. The hydraulic breaking hammer adopts an optimized design concept, the stroke of the piston and the cylinder body is increased, the diameter of the piston and the diameter of the drill rod are the same, the matching effect of the breaking hammer and a host machine is optimal, the highest output energy is reasonably utilized, the energy is saved, and the highest working efficiency is achieved. The selection principle is to select the most suitable hydraulic breaking hammer according to the type of the excavator and the working environment.

The hydraulic breaking hammer is an important construction tool and can be divided into a handheld type and an onboard type according to an operation mode, a piston in a hammer body is driven to reciprocate by hydrostatic pressure serving as power during working, a drill rod arranged at the front section of the hammer body is told to impact during piston stroke, and the drill rod breaks solid matters such as ore and concrete, so that the solid matters such as the ore and the concrete are better.

In our actual work, the discovery is because the high strength work of drill rod to higher operating temperature can lead to the drill rod easily to take place moulding deformation, takes place crooked back when the drill rod, needs to change, and whole tup need be demolishd to traditional mode of changing, and the operation is comparatively inconvenient.

Based on the problems, the excavator breaking hammer which has overload protection and is easy to replace and easy to maintain is designed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that an easy to maintain's excavator quartering hammer that has overload protection, easily changes simultaneously is provided.

The utility model discloses a realize through following technical scheme:

the excavator breaking hammer easy to maintain comprises a support body used for being connected with an excavator mechanical arm, namely a power device fixedly mounted on the inner side of the support body, namely a drill rod connector mounted at the bottom of the power device, wherein the drill rod connector is matched with a drill rod, a connecting pipe is formed at the upper end of the drill rod in a processing mode, the drill rod connector is downwards inserted into the connecting pipe, and a bolt is assembled between the connecting pipe and the drill rod.

Preferably, a hollow inner cavity is processed inside the drill rod, the connecting pipe is communicated with the inner cavity, a water inlet pipe and a water outlet pipe are welded at the position, close to the top, of the outer wall of the drill rod, the water inlet pipe and the water outlet pipe are positioned on the coaxial diameter line of the drill rod, a sealing block is arranged in the inner cavity, a plate is arranged at the bottom of the sealing block, the plate is attached to the inner wall of the inner cavity, a circulation groove for circulation of water is processed at the lower end of the plate, the plate further comprises a water tank fixedly arranged on the mechanical arm of the excavator, a water pump is fixed at the bottom of the water tank through screws, the water pump is provided with a water outlet end and a water inlet end, the water inlet end is inserted into the water tank, a hose is assembled between the water outlet end and the water inlet pipe, a water return pipe is welded at the top of the water tank, and a first hose is matched between the water return pipe and the water outlet pipe; above-mentioned structure, mainly be in order to reduce the operating temperature of drill rod during operation, at the during operation, carry the inside to the drill rod through pump body pump sending cold water, form cold water circulation, effectively reduce the operating temperature of drill rod, avoid the drill rod to take place moulding deformation after overheated.

Preferably, a ventilation hole is formed in the side face of the water tank in a penetrating mode, the ventilation hole axially penetrates through the water tank, a fan is connected to one end of the water tank through a flange, and the water tank is made of stainless steel; the structure mainly reduces the water temperature in the water tank, reduces the temperature of water circulation and is beneficial to reducing the temperature of the drill rod.

Preferably, an annular sealing groove is processed at the outer wall of the sealing block, a sealing ring is clamped in the sealing groove, and the sealing ring is in interference fit with the inner wall of the inner cavity to form sealing; the structure is mainly used for increasing the sealing performance and simultaneously increasing the matching compactness between the sealing block and the inner cavity.

The utility model has the advantages that: adopt the cooperation form of drill rod connector and drill rod in this product, lock through the bolt, when needing to be changed the drill rod, only need to screw down the bolt and can change, it is comparatively convenient to change, and the bolt can also play overload protection's effect simultaneously, and when the overdraft that the arm was applyed was too big, the bolt can take place the rupture, avoids the drill rod to deform, and 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 water tank;

FIG. 3 is a cross-sectional view of a drill rod;

fig. 4 is a side view of the seal block.

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 excavator breaking hammer easy to maintain as shown in fig. 1, 2, 3 and 4 comprises a bracket body 1 for connecting an excavator mechanical arm, namely a power device 2 fixedly installed at the inner side of the bracket body 1, namely a drill rod connector 3 installed at the bottom position of the power device 2, wherein the drill rod connector 3 is matched with a drill rod 4, the upper end of the drill rod 4 is processed to form a connecting pipe 401, the drill rod connector 3 is downwards inserted into the connecting pipe 401, and a bolt 411 is assembled between the connecting pipe 401 and the drill rod 4.

In a preferred embodiment of the present invention, a hollow inner cavity 412 is formed inside the drill rod 4, the connecting pipe 401 is communicated with the inner cavity 412, a water inlet pipe 413 and a water outlet pipe 414 are welded to a position of the outer wall of the drill rod 4 near the top, the water inlet pipe 413 and the water outlet pipe 414 are located on a coaxial diameter line of the drill rod 4, a sealing block 415 is disposed inside the inner cavity 412, a plate 416 is disposed at the bottom of the sealing block 415, the plate 416 is attached to the inner wall of the inner cavity 412, a flow channel 417 for flowing water is formed at the lower end of the plate 416, the water tank 5 is fixedly mounted on the mechanical arm of the excavator, a water pump 501 is fixed to the bottom of the water tank 5 by screws, the water pump 501 has a water outlet end 511 and a water inlet end 512, the water inlet end 512 is inserted into the water tank 5, a hose 513 is assembled between the water outlet end 511 and the water inlet pipe 413, a water return pipe 514 is welded at the top of the water tank 5, and a first hose 515 is matched between the water return pipe 514 and the water outlet pipe 414; above-mentioned structure, mainly be in order to reduce the operating temperature of drill rod during operation, at the during operation, carry the inside to the drill rod through pump body pump sending cold water, form cold water circulation, effectively reduce the operating temperature of drill rod, avoid the drill rod to take place moulding deformation after overheated.

In a preferred embodiment of the present invention, a ventilation hole 555 is formed through a side surface of the water tank 5, the ventilation hole 555 axially penetrates through the water tank 5, a fan 556 is flange-connected to one end of the water tank 5, and the water tank is made of stainless steel; the structure mainly reduces the water temperature in the water tank, reduces the temperature of water circulation and is beneficial to reducing the temperature of the drill rod.

In a preferred embodiment of the present invention, an annular sealing groove 455 is formed in an outer wall of the sealing block 415, a sealing ring 456 is clamped into the sealing groove 455, and the sealing ring is in interference fit with an inner wall of the inner cavity to form a seal; the structure is mainly used for increasing the sealing performance and simultaneously increasing the matching compactness between the sealing block and the inner cavity.

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 an easy to maintain's excavator quartering hammer, is including the stake body that is used for connecting excavator arm, and fixed mounting is the power device of stake body inboard promptly, installs the drill rod connector in power device bottom position department promptly, its characterized in that: the drill rod connector is matched with a drill rod, a connecting pipe is formed at the upper end of the drill rod in a processing mode, the drill rod connector is downwards inserted into the connecting pipe, and a bolt is assembled between the connecting pipe and the drill rod.

2. The easy to maintain excavator demolition hammer of claim 1 wherein: a hollow inner cavity is processed inside the drill rod, the connecting pipe is communicated with the inner cavity, a water inlet pipe and a water outlet pipe are welded at the position, close to the top, of the outer wall of the drill rod, the water inlet pipe and the water outlet pipe are positioned on the coaxial diameter line of the drill rod, a sealing block is arranged in the inner cavity, a plate is arranged at the bottom of the sealing block, the plate is attached to the inner wall of the inner cavity, a circulation groove for circulation of water is processed at the lower end of the plate, the plate further comprises a water tank fixedly arranged on the mechanical arm of the excavator, a water pump is fixed at the bottom of the water tank through screws, the water pump is provided with a water outlet end and a water inlet end, the water inlet end is inserted into the water tank, a hose is assembled between the water outlet end and the water inlet pipe, the top welding of water tank has the wet return, wet return with the cooperation has first hose between the outlet pipe.

3. The easy to maintain excavator demolition hammer of claim 2 wherein: the side of water tank link up and is provided with a ventilation hole, the ventilation hole axial runs through the water tank the one end flange joint of water tank has a fan, the water tank is stainless steel.

4. The easy to maintain excavator demolition hammer of claim 2 wherein: the outer wall department of sealed piece is processed there is annular seal groove the sealing washer has been gone into to the card in the seal groove, the sealing washer with form sealedly after interference fit between the inner wall of inner chamber.