CN210684842U - High-strength excavator breaking hammer - Google Patents
High-strength excavator breaking hammer Download PDFInfo
- Publication number
- CN210684842U CN210684842U CN201920962214.5U CN201920962214U CN210684842U CN 210684842 U CN210684842 U CN 210684842U CN 201920962214 U CN201920962214 U CN 201920962214U CN 210684842 U CN210684842 U CN 210684842U
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- Prior art keywords
- drill rod
- rod connector
- excavator
- high strength
- groove
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- 230000007704 transition Effects 0.000 claims abstract description 7
- 239000000956 alloy Substances 0.000 claims abstract description 4
- 238000003780 insertion Methods 0.000 claims description 12
- 230000037431 insertion Effects 0.000 claims description 12
- 230000003014 reinforcing effect Effects 0.000 claims description 12
- 239000007787 solid Substances 0.000 claims description 6
- 229910000851 Alloy steel Inorganic materials 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000003139 buffering effect Effects 0.000 claims 4
- 230000009977 dual effect Effects 0.000 abstract description 5
- 238000005452 bending Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 238000013021 overheating Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000002706 hydrostatic effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a high strength excavator quartering hammer, including the stake body that is used for connecting the excavator arm, the power device of fixed mounting in stake body inboard promptly, the drill rod connector of installing in power device bottom position department promptly, the drill rod connector is a hollow structure, through the drill rod connector is equipped with a drill rod, form the intubate part after the upper end turning of drill rod, intubate part upwards inserts in the drill rod connector, the outer wall department ring shape of drill rod connector is provided with a plurality of screws, compress tightly the drill rod after the screw is screwed in, the drill rod has a cavity, in the cavity intracavity ann inserts the bar of alloy material, the bar with between the cavity transition fit; this product adopts dual structure, and structural strength is higher.
Description
Technical Field
The utility model relates to a high strength 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.
However, in the breaking hammer in the prior art, the solid steel rod is adopted as the drill rod for breaking, and after long-time use, bending and even fatigue fracture can occur.
Based on the problems, the high-strength excavator breaking hammer which adopts a dual structure and is higher in structural strength is designed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that an adopt dual structure, the higher high strength excavator quartering hammer of structural strength is provided.
The utility model discloses a realize through following technical scheme:
the high-strength excavator breaking hammer comprises a support body used for being connected with an excavator mechanical arm, a power device fixedly mounted on the inner side of the support body, and a drill rod connector mounted at the bottom position of the power device, wherein the drill rod connector is of a hollow structure, a drill rod is assembled on the drill rod connector, an insertion pipe part is formed after the upper end of the drill rod is turned, the insertion pipe part is upwards inserted into the drill rod connector, a plurality of screws are annularly arranged at the outer wall of the drill rod connector, the drill rod is tightly pressed after the screws are screwed in, the drill rod is provided with a hollow cavity, bars made of alloy materials are inserted into the hollow cavity, and the bars and the hollow cavity are in transition fit.
Preferably, a reinforcing ring is sleeved outside the drill rod connector, and a hole for penetrating the screw is formed in the outer wall of the reinforcing ring.
Preferably, the reinforcing ring is in transition fit with the drill rod connector, and the reinforcing ring is made of alloy steel.
Preferably, an annular first groove is processed on the upper end face of the drill rod and the outer side of the insertion pipe part, a second groove corresponding to the first groove is formed in the bottom of the drill rod connector, a rubber buffer rubber sleeve is sleeved on the outer side of the insertion pipe part, convex ring parts are arranged on the upper end face and the lower end face of the buffer rubber sleeve, and the upper convex ring part and the lower convex ring part are respectively clamped into the upper first groove and the lower second groove; the structure mainly increases the buffer capacity, the drill rod vibrates at high speed up and down in the crushing process of the drill rod, and partial vibration force can be absorbed by using the buffer rubber sleeve, so that the abrasion and overheating caused by frequent contact between the upper end surface of the drill rod and the lower end surface of the drill rod connector are avoided.
Preferably, the wall thickness of the buffer rubber sleeve is 6 mm-12 mm.
Preferably, the bar stock is of solid construction.
The utility model has the advantages that: this product adopts dual steel construction, and the outside is the drill rod, and inside is the bar, and the bending strength of bar is greater than the bending strength of drill rod, bears outside wearing and tearing through the drill rod, strengthens the bending strength of drill rod through the bar for this product still has sufficient bending strength under the condition that has good wearability, 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 partial cross-sectional view at A;
fig. 3 is a front view of the drill rod.
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.
As shown in fig. 1, 2 and 3, the high-strength excavator breaking hammer includes a support body 1 for connecting an excavator mechanical arm, i.e., a power device 2 fixedly installed inside the support body 1, i.e., a drill rod connector 3 installed at a bottom position of the power device 2, wherein the drill rod connector 3 is a hollow structure, a drill rod 4 is assembled through the drill rod connector 3, an upper end of the drill rod 4 is turned to form an insertion pipe portion 401, the insertion pipe portion 401 is upwardly inserted into the drill rod connector 3, a plurality of screws 311 are annularly arranged at an outer wall of the drill rod connector 3, the screws 311 are screwed in and press the drill rod 4, the drill rod 4 has a hollow cavity 441, a bar 442 made of an alloy material is inserted into the hollow cavity 441, and the bar 442 and the hollow cavity 441 are in transition fit.
In a preferred embodiment of the present invention, a reinforcing ring 333 is sleeved on the outside of the drill rod connector 3, and a hole (not shown) is formed in the outer wall of the reinforcing ring 333 for passing through the screw 311.
In a preferred embodiment of the present invention, the reinforcing ring 333 is in transition fit with the drill rod connector 3, and the reinforcing ring 333 is made of alloy steel.
In a preferred embodiment of the present invention, an annular first groove 443 is formed on the upper end surface of the drill rod 4 and outside the insertion pipe portion 401, a second groove 334 corresponding to the first groove 443 is formed at the bottom of the drill rod connector 3, a rubber buffer rubber sleeve 444 is sleeved outside the insertion pipe portion 401, both the upper and lower end surfaces of the buffer rubber sleeve 444 are provided with a convex ring portion 445, and the upper and lower convex ring portions 445 are respectively clamped into the upper first groove 443 and the lower second groove 334; the structure mainly increases the buffer capacity, the drill rod vibrates at high speed up and down in the crushing process of the drill rod, and partial vibration force can be absorbed by using the buffer rubber sleeve, so that the abrasion and overheating caused by frequent contact between the upper end surface of the drill rod and the lower end surface of the drill rod connector are avoided.
In a preferred embodiment of the present invention, the wall thickness of the buffer rubber sleeve 444 is 8 mm.
In a preferred embodiment of the present invention, the bar 442 is a solid structure.
The utility model has the advantages that: this product adopts dual steel construction, and the outside is the drill rod, and inside is the bar, and the bending strength of bar is greater than the bending strength of drill rod, bears outside wearing and tearing through the drill rod, strengthens the bending strength of drill rod through the bar for this product still has sufficient bending strength under the condition that has good wearability, and the structure of this product is comparatively simple, and the cost is comparatively cheap, is fit for using widely.
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 (6)
1. The utility model provides a high strength 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 of a hollow structure, a drill rod is assembled through the drill rod connector, an insertion pipe part is formed after the upper end of the drill rod is turned, the insertion pipe part is upwards inserted into the drill rod connector, a plurality of screws are annularly arranged on the outer wall of the drill rod connector, the drill rod is tightly pressed after the screws are screwed in, the drill rod is provided with a hollow cavity, a bar made of alloy materials is inserted into the hollow cavity, and the bar and the hollow cavity are in transition fit.
2. The high strength excavator demolition hammer of claim 1 wherein: a reinforcing ring is sleeved outside the drill rod connector, and a hole for penetrating through the screw is formed in the outer wall of the reinforcing ring.
3. The high strength excavator demolition hammer of claim 2 wherein: the reinforcing ring is in transition fit with the drill rod connector, and the reinforcing ring is made of alloy steel.
4. The high strength excavator demolition hammer of claim 1 wherein: the drill rod comprises a drill rod connector, wherein the drill rod connector is provided with a first groove, the first groove is formed in the outer side of an insertion pipe part, a second groove corresponding to the first groove is formed in the bottom of the drill rod connector, a buffering rubber sleeve made of rubber is sleeved on the outer side of the insertion pipe part, convex ring parts are arranged on the upper end face and the lower end face of the buffering rubber sleeve, and the upper convex ring part and the lower convex ring part are clamped into the first groove above the buffering rubber sleeve and the second groove below the buffering rubber sleeve respectively.
5. The high strength excavator breaking hammer of claim 4, wherein: the wall thickness of the buffer rubber sleeve is 6 mm-12 mm.
6. The high strength excavator demolition hammer of claim 1 wherein: the bar stock is of a solid structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920962214.5U CN210684842U (en) | 2019-06-25 | 2019-06-25 | High-strength excavator breaking hammer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920962214.5U CN210684842U (en) | 2019-06-25 | 2019-06-25 | High-strength excavator breaking hammer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210684842U true CN210684842U (en) | 2020-06-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920962214.5U Active CN210684842U (en) | 2019-06-25 | 2019-06-25 | High-strength excavator breaking hammer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210684842U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112282424A (en) * | 2020-10-27 | 2021-01-29 | 中国二十冶集团有限公司 | Dustproof noise reduction device used in concrete transformation chiseling and using method thereof |
-
2019
- 2019-06-25 CN CN201920962214.5U patent/CN210684842U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112282424A (en) * | 2020-10-27 | 2021-01-29 | 中国二十冶集团有限公司 | Dustproof noise reduction device used in concrete transformation chiseling and using method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240102 Address after: 628100 Group 5, Zhuyuan Village, Zhuyuan Town, Qingchuan County, Guangyuan City, Sichuan Province Patentee after: Qingchuan Henghui Stone Sand Co.,Ltd. Address before: 730050 a4-1, Tianyue auto parts wholesale Plaza, No.7, nanbinhe West Road, Xigu District, Lanzhou City, Gansu Province Patentee before: Gansu Xijiang Intelligent Equipment Technology Co.,Ltd. |
|
| TR01 | Transfer of patent right |