Cutter protection structure for breaking hammer of excavator

Abstract

The utility model relates to an excavator breaking hammer protective knife structure which comprises a breaking hammer fixing frame (1), a breaking hammer body (2) and a breaking drill bit (3), the breaking hammer body (2) is arranged on the breaking hammer fixing frame (1), and the breaking drill bit (3) is arranged at one end of the breaking hammer body (2). The breaking hammer is characterized in that the breaking hammer fixing frame (1) is provided with a protection piece (4) used for protecting and / or a breaking part (5) used for breaking or smashing objects, the protection piece (4) is matched with the breaking hammer fixing frame (1), and the protection piece (4) and / or the breaking part (5) are / is fixedly connected with or integrally formed with the breaking hammer fixing frame (1). According to the design, on one hand, the breaking hammer can be protected, and on the other hand, the breaking efficiency is improved.

Description

Technical Field

[0001] This utility model relates to the field of excavators, and in particular to a blade guard structure for excavator breakers. Background Technology

[0002] As an important tool in excavators, the hydraulic breaker is used to generate a strong impact force and crush rocks during construction. It has a high rock-breaking efficiency and is a primary means of road construction for tasks such as road surface damage and the breaking of large boulders in infrastructure projects. For example, patent document CN116950173A, entitled "A Blade Protection Structure for an Excavator Hydraulic Breaker for Road Construction," discloses a blade protection structure for an excavator hydraulic breaker used in road construction. During the upward movement of the piston rod driven by hydraulic oil, a negative pressure is created at the top of the negative pressure chamber. This negative pressure draws in the hydraulic oil used to support the upward movement of the piston rod within the cylinder structure. Consequently, when the piston rod moves downward, this structure effectively reduces the energy consumption generated by the compression and delivery of hydraulic oil to support the piston rod. Furthermore, it increases the impact velocity of the piston rod as it moves downward under the action of high-pressure nitrogen gas at the top of the cylinder structure, thus effectively enhancing the impact strength of the hydraulic breaker structure against rocks.

[0003] However, the aforementioned structure is complex and costly to manufacture. Furthermore, during use, when the stones contain reinforcing steel bars, these bars cannot be cut directly and must be manually cut later, posing a significant safety hazard. Therefore, it is necessary to develop a newer technological design and structure that can cut reinforcing steel bars, reducing worker safety risks and thus solving the aforementioned problems. Utility Model Content

[0004] The purpose of this utility model is to provide a cutter guard structure for excavator breakers, in order to solve the problems in the above-mentioned background technology where, when there are steel bars in the rocks, it is impossible to cut the steel bars, and they can only be cut manually later, which poses a great safety hazard.

[0005] This utility model provides the following technical solution: a protective structure for an excavator breaker hammer, comprising a breaker hammer mounting frame, a breaker hammer body, and a breaker drill bit. The breaker hammer body is mounted on the breaker hammer mounting frame, and the breaker drill bit is mounted at one end of the breaker hammer body. The breaker hammer mounting frame is provided with a protective component for protection and / or a crushing part for breaking or smashing objects. The protective component matches the breaker hammer mounting frame, and the protective component and / or the crushing part are fixedly connected to or integrally formed with the breaker hammer mounting frame.

[0006] Preferably, the protective member is provided with a cutting part for cutting steel bars, and the cutting part and the protective member are fixedly connected or integrally formed.

[0007] Preferably, the cutting section is perpendicular to the axis of the breaking drill bit.

[0008] Preferably, the cutting part and the protective member are connected by welding or by thread.

[0009] Preferably, the crushing part includes a crushing protrusion, which is fixedly connected to or integrally formed with the protective member or the breaker hammer fixing frame.

[0010] Preferably, the shape of the broken protrusion is conical, triangular, or serrated.

[0011] Preferably, the breaking protrusion is connected to the protective component or the breaker hammer fixing frame by welding or threaded connection.

[0012] Preferably, the crushing protrusion is further provided with a connecting part for easy connection, and the diameter of the connecting part is smaller than the diameter of the crushing protrusion.

[0013] Preferably, a reinforcing protective component is also provided on the breaker hammer fixing frame. The reinforcing protective component is disposed between the protective component and the breaker section. The reinforcing protective component and the breaker hammer fixing frame are fixedly connected or integrally formed.

[0014] Preferably, the protective component, the cutting part, the breaking part, and the reinforcing protective component are all made of high manganese steel, high chromium cast iron, or chromium-molybdenum alloy steel.

[0015] Compared with the prior art, the beneficial effects of this utility model are:

[0016] 1. This utility model relates to a breaker hammer cutter guard structure for excavators, comprising a breaker hammer mounting frame, a breaker hammer body, and a breaker drill bit. The breaker hammer body is mounted on the breaker hammer mounting frame, and the breaker drill bit is mounted at one end of the breaker hammer body. The breaker hammer mounting frame is equipped with protective components for protection and / or a crushing part for breaking or smashing objects. The protective components and the breaker hammer mounting frame are matched, and the protective components and / or the crushing part are fixedly connected to or integrally formed with the breaker hammer mounting frame. By setting up the protective components, the breaker hammer can be effectively protected during use, preventing damage to the excavator breaker hammer cutter guard structure from falling rocks, and effectively improving the service life of the excavator breaker hammer cutter guard structure. The addition of the crushing part can effectively increase the crushing area and effectively improve the crushing efficiency.

[0017] 2. The excavator breaker blade guard structure of this utility model has a cutting part on the protective component for cutting reinforcing bars. The cutting part and the protective component are fixedly connected or integrally formed. By setting the cutting part, after the breaker breaks up rocks or walls, if there are reinforcing bars inside the rocks or walls, the cutting part can cut the reinforcing bars without manual cutting, effectively reducing the occurrence of safety accidents.

[0018] 3. The excavator breaker's cutter guard structure of this utility model has the cutting part perpendicular to the axis of the breaker bit. This design allows the cutting part to hook into reinforcing bars for cutting. Additionally, when a building contains beam-like structures, the cutting part can hook and cut these beams, effectively improving efficiency.

[0019] 3. In this utility model, the cutter head and protective component of the excavator breaker blade guard are connected by welding or threaded fastening. This connection method makes the connection between the cutter head and the protective component more stable and effectively improves their service life.

[0020] 4. The excavator breaker cutter guard structure of this utility model includes a breaker protrusion in the breaker section. The breaker protrusion is fixedly connected to or integrally formed with the protective component or the breaker fixing frame. By setting the breaker protrusion, hard rocks or buildings can be breakered, effectively improving breaker efficiency.

[0021] 5. The excavator breaker blade guard structure of this utility model has a crushing protrusion in the shape of a cone, triangle, or serration. Through the design of the crushing part's shape, the high pressure and localization at its end lead to stress concentration, accelerating crack propagation and material delamination, effectively improving crushing efficiency. Furthermore, when there are stones inside the gaps in the steel reinforcement of a steel bar pile, the crushing part of this shape can effectively enter the gaps to crush the stones, eliminating the need for manual crushing, thus improving crushing efficiency while reducing the occurrence of safety accidents.

[0022] 6. The excavator breaker cutter guard structure of this utility model features a breaker protrusion connected to the protective component or breaker fixing frame via welding or threaded connection. This connection method makes the connection between the breaker protrusion and the protective component more stable, preventing the breaker from falling off during use and effectively improving the service life of the breaker.

[0023] 8. The excavator breaker cutter guard structure of this utility model has a connecting part on the breaker protrusion that facilitates connection. The diameter of the connecting part is smaller than the diameter of the breaker protrusion. When the breaker protrusion and the protective component or breaker fixing frame are welded together, the connecting part ensures that the weld metal does not exceed the diameter range of the breaker protrusion, effectively preventing the weld metal from affecting other breaker protrusions and thus avoiding the problem of unstable connection of the breaker parts.

[0024] 9. The excavator breaker cutter guard structure of this utility model includes a reinforcing protective component on the breaker mounting bracket. This reinforcing protective component is positioned between the protective component and the breaker section, and is fixedly connected to or integrally formed with the breaker mounting bracket. The reinforcing protective component effectively protects the excavator breaker cutter guard structure during use, and also provides support for both the protective component and the breaker section, thus enhancing the protection of the breaker.

[0025] 10. The excavator breaker cutter guard structure of this utility model uses high-manganese steel, high-chromium cast iron, or chromium-molybdenum alloy steel for its protective components, cutting section, crushing section, and reinforcing protective components. By selecting the appropriate materials, the hardness, wear resistance, or toughness of the protective components, cutting section, crushing section, and reinforcing protective components can be improved, effectively increasing crushing efficiency while providing better protection for the excavator breaker cutter guard structure. Attached Figure Description

[0026] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0027] Figure 1 This is a three-dimensional schematic diagram of the excavator breaker cutter guard structure of this utility model. Figure 1 ;

[0028] Figure 2 The front view of the excavator breaker cutter guard structure of this utility model Figure 1 ;

[0029] Figure 3 This is a partially enlarged view of the excavator breaker blade guard structure of this utility model;

[0030] Figure 4 This is a three-dimensional schematic diagram of the excavator breaker cutter guard structure of this utility model. Figure 2 ;

[0031] Figure 5 The front view of the excavator breaker cutter guard structure of this utility model Figure 2 .

[0032] In each of the attached drawings, 1 is the hammer fixing frame; 2 is the hammer body; 3 is the breaker drill bit; 4 is the protective component; 41 is the cutting part; 5 is the breaker part; 51 is the breaker protrusion; 511 is the connecting part; and 6 is the reinforcing protective component. Detailed Implementation

[0033] The embodiments of this application are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this application, and should not be construed as limiting this application.

[0034] In the description of this application, it should be understood that the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Therefore, features defined as "first" or "second" may explicitly or implicitly include one or more of the stated features. In the description of this application, "multiple" means two or more, unless otherwise explicitly specified.

[0035] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installation" and "connection" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection, an electrical connection, or a connection that allows communication between the components; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication between two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0036] In the description of this application, it should be understood that the terms "upper", "lower", "side", "front", "rear", etc., indicate the orientation or positional relationship based on the installation orientation or positional relationship, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application.

[0037] In the description of this application, it should be noted that the term "and / or" is merely a description of the relationship between related objects, indicating that there can be three relationships. For example, A and / or B can represent three situations: A exists alone, A and B exist simultaneously, and B exists alone.

[0038] It should also be noted that in the embodiments of this application, the same reference numerals are used to represent the same component or part. For the same part in the embodiments of this application, the reference numerals may only be used to mark one part or component as an example. It should be understood that the reference numerals are also applicable to other identical parts or components.

[0039] Furthermore, in this application, the technical features described in an open-ended manner include both closed technical solutions composed of the listed features and open technical solutions that include the listed features.

[0040] To further understand the utility model content, features, and effects of this application, the following embodiments are provided, and detailed descriptions are given below in conjunction with the accompanying drawings:

[0041] Example 1:

[0042] like Figures 4-5 As shown, the excavator breaker's cutter guard structure includes a breaker mounting bracket 1, a breaker body 2, and a breaker bit 3. The breaker body 2 is mounted on the breaker mounting bracket 1, and the breaker bit 3 is mounted at one end of the breaker body 2. The breaker mounting bracket 1 is equipped with a protective component 4 for protection. The protective component 4 matches the breaker mounting bracket 1 and is fixedly connected to or integrally formed with it. In this embodiment, by providing the protective component, the breaker can be effectively protected during use, preventing damage from falling rocks to the excavator breaker's cutter guard structure and effectively improving its service life. Simultaneously, the protective component can be used to crush or break objects, effectively improving crushing efficiency. Of course, this is not limited to this; any other structure that protects the excavator breaker's cutter guard structure and improves crushing efficiency can be used.

[0043] Specifically, the protective component 4 is provided with a cutting part 41 for cutting reinforcing bars, and the cutting part 41 and the protective component 4 are fixedly connected or integrally formed. In this embodiment, by setting the cutting part, after the breaker hammer breaks up the stone or wall and there is reinforcing bar inside the stone or wall, the cutting part can cut the reinforcing bar without manual cutting, effectively reducing the occurrence of safety accidents. Of course, it is not limited to this; any other structure capable of cutting reinforcing bars can be used.

[0044] Specifically, the cutting section 41 and the breaker drill bit 3 are perpendicular to each other. In this embodiment, this configuration allows the cutting section to hook into the reinforcing bar to cut it. Additionally, when the building contains a beam-like structure, the cutting section can hook and break the beam-like structure, effectively improving efficiency. Of course, it is not limited to this; any other function that hooks into the reinforcing bar to cut it and breaks the beam-like structure can be used.

[0045] Specifically, the cutting part 41 and the protective part 4 are connected by welding or threaded fastening. This connection method makes the connection between the cutting part and the protective part more stable, effectively improving their service life. Of course, it is not limited to this; other connection methods that ensure a stable connection between the cutting part and the protective part can be used.

[0046] Specifically, a reinforcing protective component 6 is also provided on the breaker hammer mounting bracket 1. The reinforcing protective component 6 is fixedly connected to or integrally formed with the breaker hammer mounting bracket 1. In this embodiment, the reinforcing protective component can effectively protect the breaker hammer's cutter guard structure during use, and it also supports the protective component, making its protection of the breaker hammer more comprehensive. Of course, it is not limited to this; it can be any other component that reinforces the breaker hammer mounting bracket and supports the protective component.

[0047] Specifically, the protective component 4, the cutting part 41, and the reinforcing protective component 6 are all made of high-manganese steel, high-chromium cast iron, or chromium-molybdenum alloy steel. In this embodiment, by selecting appropriate materials, the hardness, wear resistance, or toughness of the protective component, the cutting part, and the reinforcing protective component can be improved, effectively increasing the crushing efficiency while providing better protection for the excavator breaker's cutter guard structure. Of course, it is not limited to these materials; other materials that can provide excellent hardness, wear resistance, or toughness can be used.

[0048] Example 2:

[0049] The excavator breaker's cutter guard structure includes a breaker mounting bracket 1, a breaker body 2, and a breaker bit 3. The breaker body 2 is mounted on the breaker mounting bracket 1, and the breaker bit 3 is located at one end of the breaker body 2. The breaker mounting bracket 1 has a crushing section 5 for crushing or smashing objects. The crushing section 5 matches the breaker mounting bracket 1 and is fixedly connected to or integrally formed with the breaker mounting bracket 1. In this embodiment, the crushing section effectively increases the crushing area and improves crushing efficiency. Of course, it is not limited to this; other structures that improve crushing efficiency can also be used.

[0050] Specifically, the crushing section 5 includes a crushing protrusion 51, which is fixedly connected to or integrally formed with the protective component 4 or the breaker hammer fixing frame 1. In this embodiment, by setting the crushing protrusion, hard rocks or buildings can be crushed, effectively improving crushing efficiency. Of course, it is not limited to this; any other structure that can effectively improve crushing efficiency for hard rocks or buildings can be used.

[0051] Specifically, the shape of the crushing protrusion 51 is conical, triangular, or serrated. In this embodiment, by designing the shape of the crushing part, the high pressure and localization at its end leads to stress concentration, accelerating crack propagation and material delamination, which can effectively improve crushing efficiency. Furthermore, when there are stones inside the gaps between the reinforcing bars in the steel reinforcement stack, the crushing part of this shape can effectively enter the gaps to crush the stones, eliminating the need for manual crushing and improving crushing efficiency while reducing the occurrence of safety accidents. Of course, it is not limited to this; any other shape or structure that achieves accelerated crushing efficiency and crushes stones inside the steel reinforcement gaps can be used.

[0052] Specifically, the crushing protrusion 51 and the breaker hammer fixing frame 1 are connected by welding or threaded fastening. In this embodiment, the crushing protrusion and the breaker hammer fixing frame are connected by welding, which makes the connection between the crushing protrusion and the protective component more stable, making the crushing part less likely to fall off during use and effectively improving the service life of the crushing part. Of course, it is not limited to this; other methods can be used to make the connection between the crushing protrusion and the breaker hammer fixing frame more stable.

[0053] Specifically, such as Figure 3 As shown, the crushing protrusion 51 is also provided with a connecting portion 511 for easy connection. The diameter of the connecting portion 511 is smaller than the diameter of the crushing protrusion 51. In this embodiment, when the crushing protrusion and the breaker hammer fixing frame are welded together, the connecting portion ensures that the solder does not exceed the diameter range of the crushing portion, effectively preventing the solder from affecting other crushing portions and thus avoiding the problem of unstable connection of the crushing protrusion. Of course, it is not limited to this; other methods can be used to prevent the solder from exceeding the diameter range of the crushing protrusion.

[0054] Specifically, a reinforcing protective component 6 is also provided on the breaker mounting bracket 1. The reinforcing protective component 6 is fixedly connected to or integrally formed with the breaker mounting bracket 1. In this embodiment, the reinforcing protective component can effectively protect the breaker's cutter guard structure during use, and it can also support the breaking section, thus providing more comprehensive protection for the breaker. Of course, it is not limited to this; any other component that reinforces the breaker mounting bracket and supports the breaking section can be used.

[0055] Specifically, the materials for the crushing section 5 and the reinforcing protective component 6 are both high-manganese steel, high-chromium cast iron, or chromium-molybdenum alloy steel. In this embodiment, by selecting the materials, the hardness, wear resistance, or toughness of the cutting section, crushing section, and reinforcing protective component can be improved, effectively increasing the crushing efficiency while providing better protection for the excavator breaker's cutter guard structure. Of course, it is not limited to these materials; other materials that can provide excellent hardness, wear resistance, or toughness can be used.

[0056] Example 3:

[0057] like Figures 1-3As shown, the excavator breaker's cutter guard structure includes a breaker mounting bracket 1, a breaker body 2, and a breaker bit 3. The breaker body 2 is mounted on the breaker mounting bracket 1, and the breaker bit 3 is located at one end of the breaker body 2. The breaker mounting bracket 1 is equipped with a protective component 4 for protection and a crushing part 5 for breaking or smashing objects. The protective component 4 matches the breaker mounting bracket 1, and the protective component 4 and the crushing part 5 are fixedly connected to or integrally formed with the breaker mounting bracket 1. In this embodiment, by setting the protective component, the breaker can be effectively protected during use, preventing damage to the excavator breaker's cutter guard structure from falling rocks, and effectively improving the service life of the excavator breaker's cutter guard structure. The crushing part can effectively increase the crushing area and improve crushing efficiency. Of course, it is not limited to this; other structures that protect the breaker and improve crushing efficiency can also be used. It is also not limited to this; other structures capable of cutting reinforcing bars can also be used.

[0058] Specifically, the protective component 4 is provided with a cutting part 41 for cutting reinforcing bars, and the cutting part 41 and the protective component 4 are fixedly connected or integrally formed. In this embodiment, by setting the cutting part, after the breaker hammer breaks up the stone or wall and there are reinforcing bars in the stone or wall, the cutting part can cut the reinforcing bars without manual cutting, effectively reducing the occurrence of safety accidents.

[0059] Specifically, the cutting section 41 and the breaker drill bit 3 are perpendicular to each other. In this embodiment, this configuration allows the cutting section to hook into the reinforcing bar to cut it. Additionally, when the building contains a beam-like structure, the cutting section can hook and break the beam-like structure, effectively improving efficiency. Of course, it is not limited to this; any other function that hooks into the reinforcing bar to cut it and breaks the beam-like structure can be used.

[0060] Specifically, the cutting part 41 and the protective member 4 are connected by welding or threaded fastening. In this embodiment, this connection method makes the connection between the cutting part and the protective member more stable, effectively improving their service life. Of course, it is not limited to this; other connection methods that ensure a stable connection between the cutting part and the protective member can also be used.

[0061] Specifically, the crushing section 5 includes a crushing protrusion 51, which is fixedly connected to or integrally formed with the protective component 4 or the breaker hammer fixing frame 1. In this embodiment, the crushing protrusion is fixedly connected to the protective component. By setting the crushing protrusion, hard objects such as rocks or buildings can be crushed, effectively improving the crushing efficiency. Of course, it is not limited to this; any other structure that can effectively improve the crushing efficiency of hard objects such as rocks or buildings can be used.

[0062] Specifically, the shape of the crushing protrusion 51 is conical, triangular, or serrated. In this embodiment, by designing the shape of the crushing part, the high pressure and localization at its end leads to stress concentration, accelerating crack propagation and material delamination, which can effectively improve crushing efficiency. Furthermore, when there are stones inside the gaps between the reinforcing bars in the steel reinforcement stack, the crushing part of this shape can effectively enter the gaps to crush the stones, eliminating the need for manual crushing and improving crushing efficiency while reducing the occurrence of safety accidents. Of course, it is not limited to this; any other shape or structure that achieves accelerated crushing efficiency and crushes stones inside the steel reinforcement gaps can be used.

[0063] Specifically, the crushing protrusion 51 is connected to the protective component 4 or the breaker hammer fixing frame 1 by welding or threaded connection. In this embodiment, the crushing protrusion and the protective component are connected by welding, making the connection between the crushing protrusion and the protective component more stable, preventing the crushing part from falling off during use, and effectively improving the service life of the crushing part. Of course, it is not limited to this; other methods can be used to make the connection between the crushing protrusion and the protective component or the breaker hammer fixing frame more stable.

[0064] Specifically, such as Figure 3 As shown, the crushing protrusion 51 is also provided with a connecting portion 511 for easy connection. The diameter of the connecting portion 511 is smaller than the diameter of the crushing protrusion 51. In this embodiment, when the crushing protrusion and the protective component or the breaker hammer fixing frame are welded together, the connecting portion ensures that the solder does not exceed the diameter range of the crushing portion, effectively preventing the solder from affecting other crushing portions and thus avoiding the problem of unstable connection of the crushing protrusion. Of course, it is not limited to this; other methods can be used to prevent the solder from exceeding the diameter range of the crushing protrusion.

[0065] Specifically, a reinforcing protective component 6 is also provided on the breaker mounting bracket 1. The reinforcing protective component 6 is positioned between the protective component 4 and the breaking section 5, and is fixedly connected to or integrally formed with the breaker mounting bracket 1. In this embodiment, the reinforcing protective component effectively protects the excavator breaker's cutter guard structure during use, and it also supports the protective component and the breaking section, thus providing more comprehensive protection for the breaker. Of course, this is not a limitation; any component that reinforces the breaker mounting bracket and supports the breaking section and protective component can be used.

[0066] Specifically, the protective component 4, cutting section 41, crushing section 5, and reinforcing protective component 6 are all made of high-manganese steel, high-chromium cast iron, or chromium-molybdenum alloy steel. In this embodiment, by selecting the appropriate materials, the hardness, wear resistance, or toughness of the protective component, cutting section, crushing section, and reinforcing protective component can be improved, effectively increasing the crushing efficiency while providing better protection for the excavator breaker's cutter guard structure. Of course, this is not a limitation; other materials that can provide excellent hardness, wear resistance, or toughness can be used.

[0067] Working principle: When in use, to break stones, walls, or reinforced concrete, the operator controls the hammer to drive the protective part or the breaking protrusion to smash the stones, walls, or reinforced concrete, thus breaking them. The breaking part is conical, triangular, or serrated. This shape can improve the breaking efficiency. When there are stones in the pile of reinforcing bars, the breaking part can enter the gaps in the reinforcing bars to break them. After breaking, if there are reinforcing bars inside the stones, the cutting part can hook into the reinforcing bars to cut them. When there are beam-like structures, the cutting part can hook into the beam-like structures to cut and pierce them.

[0068] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0069] The embodiments described above are merely illustrative of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.

Claims

1. A cutter guard structure for an excavator hydraulic breaker, comprising a hydraulic breaker mounting bracket (1), a hydraulic breaker body (2), and a hydraulic breaker bit (3), wherein the hydraulic breaker body (2) is mounted on the hydraulic breaker mounting bracket (1), and the hydraulic breaker bit (3) is mounted at one end of the hydraulic breaker body (2), characterized in that: The hydraulic breaker mounting bracket (1) is provided with a protective component (4) for protection and / or a crushing part (5) for crushing or smashing objects. The protective component (4) matches the hydraulic breaker mounting bracket (1), and the protective component (4) and / or the crushing part (5) are fixedly connected to or integrally formed with the hydraulic breaker mounting bracket (1).

2. The excavator breaker cutter guard structure according to claim 1, characterized in that: The protective member (4) is provided with a cutting part (41) for cutting steel bars, and the cutting part (41) and the protective member (4) are fixedly connected or integrally formed.

3. The excavator breaker cutter guard structure according to claim 2, characterized in that: The cutting section (41) and the breaking drill bit (3) are perpendicular to each other.

4. The excavator breaker cutter guard structure according to claim 2 or 3, characterized in that: The cutting part (41) and the protective member (4) are connected by welding or by thread.

5. The excavator breaker cutter guard structure according to claim 4, characterized in that: The crushing part (5) includes a crushing protrusion (51), which is fixedly connected to or integrally formed with the protective member (4) or the breaker hammer fixing frame (1).

6. The excavator breaker cutter guard structure according to claim 5, characterized in that: The shape of the broken protrusion (51) is conical, triangular, or serrated.

7. The excavator breaker cutter guard structure according to claim 6, characterized in that: The breaking protrusion (51) is connected to the protective component (4) or the breaker hammer fixing frame (1) by welding or threaded connection.

8. The excavator breaker cutter guard structure according to any one of claims 5-7, characterized in that: The broken protrusion (51) is also provided with a connecting part (511) for easy connection, and the diameter of the connecting part (511) is smaller than the diameter of the broken protrusion (51).

9. The excavator breaker cutter guard structure according to claim 8, characterized in that: A reinforcing protective component (6) is also provided on the breaker fixing frame (1). The reinforcing protective component (6) is disposed between the protective component (4) and the breaker part (5). The reinforcing protective component (6) and the breaker fixing frame (1) are fixedly connected or integrally formed.

10. The excavator breaker cutter guard structure according to claim 9, characterized in that: The protective component (4), the cutting part (41), the crushing part (5), and the reinforced protective component (6) are all made of high manganese steel, high chromium cast iron, or chromium-molybdenum alloy steel.

Images