Hydraulic breaking hammer with rubber protective cover

Abstract

The hydraulic breaking hammer with the rubber protective cover comprises a support body, a hydraulic cylinder and a drill rod, breaking hammer bolts are inserted into the support body, a mounting hole is formed in the top end of one side of the support body, and a protective structure is arranged at the bottom end of the support body. The protection structure comprises a rubber ring, a rubber lantern ring, a mounting bolt, mounting frames and a connecting frame, the mounting frames are fixed to the two sides of the bottom end of the support body, and the connecting frame is arranged on the outer sides of the mounting frames. The rubber lantern ring is mounted on the outer side of the drill rod through the mounting bolt, so that the rubber lantern ring shields splashed rock soil, the drill bit can conveniently impact terrains and buildings in different shapes through folding deformation of the rubber lantern ring, and therefore the chipping shielding function of the device is achieved; and in the using process of the device, rock and soil particles are not prone to splashing outwards, and the safety of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of hydraulic breaker hammers, in particular to a hydraulic breaker hammer with a rubber protective cover. Background Art

[0002] Hydraulic breaker has become an important working tool of hydraulic excavator. It can more effectively clean floating stones and soil in rock gaps when digging the foundation of buildings. It is often used in mountain opening, building demolition, foundation excavation and other occasions.

[0003] China Patent Authorization Announcement No. CN206829228U, Announcement Date January 2, 2018, discloses a hydraulic breaker. In the prior art hydraulic breaker, the nitrogen chamber is usually arranged in the rear cylinder body, and the volume of the nitrogen chamber is usually fixed due to the size of the rear cylinder body. The utility model provides a hydraulic breaker hammer, including a cylinder body, a valve body, a drill rod and a piston. The piston is fitted in the cylinder body, the drill rod cooperates with the piston, the valve body is fixed on the cylinder body, the cylinder body includes a front cylinder body, a middle cylinder body and a rear cylinder body, the front cylinder body, the middle cylinder body and the rear cylinder body are arranged in sequence, a nitrogen chamber is provided in the rear cylinder body, and the nitrogen chamber is open at one end of the rear cylinder body, and is characterized in that: a plurality of air passages are provided on the rear cylinder body, the air passages are open at one end of the rear cylinder body, and the open direction of the nitrogen chamber is the same as the open direction of the air passages, the air passages start from the end face of the rear cylinder body and extend into the rear cylinder body, the air passages are connected with the nitrogen chamber in the rear cylinder body, and the middle cylinder body cooperates with the open side of the nitrogen chamber of the rear cylinder body. The utility model has a simple structure, a reasonable design and a good buffering effect;

[0004] The existing technical solution has the following defects: when the device is in use, it is easy to cause rock and soil to splash. During the use of the device, the rock and soil are constantly impacted by the drill bit, causing the rock and soil to splash outward, causing damage to pedestrians and vehicles around, affecting the safety of the device. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] The utility model aims to provide a hydraulic breaker with a rubber protective cover to solve the problems raised in the above background technology. (II) Utility Model Content

[0008] In order to solve the above technical problems, the utility model provides the following technical solutions: a hydraulic breaker hammer with a rubber protective cover, comprising a bracket body, a hydraulic cylinder and a drill rod, a breaker hammer bolt is inserted into the inside of the bracket body, a mounting hole is opened at the top of one side of the bracket body, a hydraulic cylinder is installed on one side of the bracket body, and an accumulator is installed on one side of the hydraulic cylinder, a drill rod is inserted into the inside of the hydraulic cylinder, a replacement structure is provided at the bottom end of the drill rod, and a drill bit is provided at the bottom end of the replacement structure, a protective structure is provided at the bottom end of the bracket body, the protective structure comprises a rubber ring, a rubber sleeve, a mounting bolt, a mounting frame and a connecting frame, the mounting frame is fixed on both sides of the bottom end of the bracket body, and a connecting frame is provided on the outside of the mounting frame.

[0009] The hydraulic breaker with a rubber protective cover of the technical solution is installed at the installation position of the excavator through the installation hole, and then the device is connected to the hydraulic pipeline of the excavator, so that the hydraulic pipeline injects hydraulic oil into the interior of the hydraulic cylinder, and then the hydraulic oil pushes the drill rod to move, so that the drill head impacts the rock and soil, and the splashing rock and soil is shielded by the protective structure.

[0010] Preferably, a mounting bolt is inserted into the interior of the connecting frame, a rubber sleeve is fixed to the bottom end of the connecting frame, and a rubber ring is fixed to the bottom end of the rubber sleeve.

[0011] Preferably, the rubber collar is in the shape of a hollow funnel structure with wrinkles on the surface, and the rubber collar is a retractable structure. The rubber collar is installed on the outside of the drill rod by means of mounting bolts, so that the rubber collar shields the splashing rock and soil, and the folding and deformation of the rubber collar facilitates the drill head to impact terrains and buildings of different shapes.

[0012] Preferably, the mounting bolt passes through the connecting frame and extends to the interior of the mounting frame, and the interior of the mounting frame is provided with an internal thread matching the mounting bolt.

[0013] Preferably, the replacement structure includes a fixing bolt, a reinforcement steel core, an insert block and a buffer block, wherein the insert block is fixed to the bottom end of the drill rod, and a buffer block is arranged on the outside of the insert block. The fixing bolt is rotated to leave the inside of the insert block, and then the drill head is pulled downward to separate the insert block from the reinforcement steel core, and the drill head is disassembled for replacement.

[0014] Preferably, a reinforcing steel core is sleeved on the bottom end of the insert block, and a fixing bolt is inserted into the interior of the reinforcing steel core.

[0015] Preferably, an outer wall of the fixing bolt is provided with an external thread, and an inner wall of the insert block is provided with an internal thread that cooperates with the external thread.

[0016] (III) Beneficial effects

[0017] Compared with the prior art, the utility model has the following beneficial effects: the hydraulic breaker with rubber protective cover has a reasonable structure and has the following advantages:

[0018] (1) The rubber sleeve is installed on the outside of the drill rod by installing bolts, so that the rubber sleeve shields the splashing rock and soil. The rubber sleeve is folded and deformed to facilitate the drill head to impact terrain and buildings of different shapes, thereby realizing the debris shielding function of the device. By shielding the drill head, the rock and soil particles are not easy to splash outward during the use of the device, thereby enhancing the safety of the device;

[0019] (2) By rotating the fixing bolt to remove it from the inside of the plug block, and then pulling the drill bit downward, the plug block is separated from the reinforced steel core and the drill bit is disassembled for replacement. This realizes the drill bit replacement function of the device, making it easy to replace a damaged or blunt drill bit, ensuring the normal use of the device and extending the service life of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0021] Figure 1 This is a front view structural schematic diagram of the utility model;

[0022] Figure 2 It is a side view structural schematic diagram of the utility model;

[0023] Figure 3 This is a schematic diagram of the front cross-sectional structure of the protective structure of the utility model;

[0024] Figure 4 It is a schematic diagram of the side cross-sectional structure of the replacement structure of the utility model.

[0025] Explanation of the reference numerals in the figure: 1. bracket body; 2. breaker bolt; 3. hydraulic cylinder; 4. mounting hole; 5. accumulator; 6. drill rod; 7. protective structure; 701. rubber ring; 702. rubber sleeve; 703. mounting bolt; 704. mounting frame; 705. connecting frame; 8. replacement structure; 801. fixing bolt; 802. reinforcement steel core; 803. plug block; 804. buffer block; 9. drill bit. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0028] Embodiment 1

[0029] See also Figure 1-4 The utility model provides a hydraulic breaker with a rubber protective cover, comprising a support body 1, a hydraulic cylinder 3 and a drill rod 6, a breaker bolt 2 is inserted into the support body 1, a mounting hole 4 is opened at the top of one side of the support body 1, a hydraulic cylinder 3 is installed on one side of the support body 1, and an accumulator 5 is installed on one side of the hydraulic cylinder 3, a drill rod 6 is inserted into the hydraulic cylinder 3, a replacement structure 8 is provided at the bottom end of the drill rod 6, and a drill bit 9 is provided at the bottom end of the replacement structure 8, a protective structure 7 is provided at the bottom end of the support body 1, and the protective structure 7 includes a rubber ring 701, a rubber ring 702, a mounting bolt 703, and a mounting frame 704. 04 and a connecting frame 705, the mounting frame 704 is fixed on both sides of the bottom end of the bracket body 1, the connecting frame 705 is arranged on the outside of the mounting frame 704, the interior of the connecting frame 705 is inserted with a mounting bolt 703, the bottom end of the connecting frame 705 is fixed with a rubber sleeve 702, the bottom end of the rubber sleeve 702 is fixed with a rubber ring 701, the shape of the rubber sleeve 702 is a hollow funnel-shaped structure with a wrinkled surface, and the rubber sleeve 702 is a retractable structure, the mounting bolt 703 passes through the connecting frame 705 and extends to the interior of the mounting frame 704, and the interior of the mounting frame 704 is provided with an internal thread matching the mounting bolt 703.

[0030] The working principle of the hydraulic breaker with rubber protective cover based on the first embodiment is: the device is installed at the installation position of the excavator through the installation hole 4, and then the device is connected to the hydraulic pipeline of the excavator, so that the hydraulic pipeline injects hydraulic oil into the interior of the hydraulic cylinder 3, and then the hydraulic oil pushes the drill rod 6 to move, so that the drill bit 9 causes impact on the rock and soil, and the splashing rock and soil is shielded by the protective structure 7, and the mounting frame 704 is inserted into the interior of the connecting frame 705, and then the mounting bolt 703 is inserted into the interior of the mounting frame 704 through the connecting frame 705, and the rubber ring 702 is installed on the outside of the drill rod 6. When the drill bit 9 causes impact on the rock and soil, the splashing rock and soil is shielded by the rubber ring 702, thereby reducing the damage caused by the rock and soil, and reducing the generation of noise and dust. The folding and deformation of the rubber ring 702 facilitates the drill bit 9 to impact terrains and buildings of different shapes.

[0031] Embodiment 2

[0032] This embodiment includes: the replacement structure 8 includes a fixing bolt 801, a reinforcement steel core 802, an insert block 803 and a buffer block 804, the insert block 803 is fixed to the bottom end of the drill rod 6, the buffer block 804 is arranged on the outside of the insert block 803, the bottom end of the insert block 803 is sleeved with a reinforcement steel core 802, the interior of the reinforcement steel core 802 is inserted with a fixing bolt 801, the outer wall of the fixing bolt 801 is provided with an external thread, and the interior of the insert block 803 is provided with an internal thread that cooperates with the external thread.

[0033] In this embodiment, when the drill bit 9 is damaged, the fixing bolt 801 is rotated by using a tool to make the fixing bolt 801 leave the interior of the plug block 803, and then the drill bit 9 is pulled downward to separate the plug block 803 from the reinforcing steel core 802, and the drill bit 9 is disassembled for replacement, and the connection between the drill bit 9 and the drill rod 6 is reinforced by the buffer block 804 to prevent the drill rod 6 from deformation.

[0034] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0035] The device embodiments described above are merely illustrative, wherein the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or they may be distributed on multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the scheme of this embodiment. Ordinary technicians in this field can understand and implement it without paying creative labor.

[0036] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the utility model.

Claims

1. A hydraulic breaker with a rubber protective cover, comprising a support body (1), a hydraulic cylinder (3) and a drill rod (6), characterized in that: A breaker bolt (2) is inserted into the interior of the support body (1); a mounting hole (4) is provided at the top of one side of the support body (1); a hydraulic cylinder (3) is installed on one side of the support body (1); an accumulator (5) is installed on one side of the hydraulic cylinder (3); a drill rod (6) is inserted into the interior of the hydraulic cylinder (3); a replacement structure (8) is provided at the bottom end of the drill rod (6); and a drill bit (9) is provided at the bottom end of the replacement structure (8); a protective structure (7) is provided at the bottom end of the support body (1); the protective structure (7) comprises a rubber ring (701), a rubber sleeve (702), a mounting bolt (703), a mounting frame (704) and a connecting frame (705); the mounting frame (704) is fixed on both sides of the bottom end of the support body (1); and a connecting frame (705) is provided on the outside of the mounting frame (704).

2. A hydraulic breaker with a rubber protective cover according to claim 1, characterized in that: A mounting bolt (703) is inserted into the interior of the connecting frame (705), a rubber sleeve (702) is fixed to the bottom end of the connecting frame (705), and a rubber ring (701) is fixed to the bottom end of the rubber sleeve (702).

3. A hydraulic breaker with a rubber protective cover according to claim 1, characterized in that: The shape of the rubber sleeve (702) is a hollow funnel-shaped structure with wrinkles on the surface, and the rubber sleeve (702) is a retractable structure.

4. A hydraulic breaker with a rubber protective cover according to claim 1, characterized in that: The mounting bolt (703) passes through the connecting frame (705) and extends to the interior of the mounting frame (704). The interior of the mounting frame (704) is provided with an internal thread matching the mounting bolt (703).

5. The hydraulic breaker with a rubber protective cover according to claim 1, characterized in that: The replacement structure (8) comprises a fixing bolt (801), a reinforcing steel core (802), an insert block (803) and a buffer block (804); the insert block (803) is fixed to the bottom end of the drill rod (6); and a buffer block (804) is arranged on the outside of the insert block (803).

6. A hydraulic breaker with a rubber protective cover according to claim 5, characterized in that: The bottom end of the insert block (803) is sleeved with a reinforcing steel core (802), and a fixing bolt (801) is inserted into the interior of the reinforcing steel core (802).

7. A hydraulic breaker with a rubber protective cover according to claim 5, characterized in that: The outer wall of the fixing bolt (801) is provided with an external thread, and the interior of the insert block (803) is provided with an internal thread that cooperates with the external thread.

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