Hydraulic breaking hammer drill rod

Abstract

The utility model discloses a hydraulic breaking hammer drill rod which comprises a main rod structure, a tip structure is arranged at one end of the main rod structure, a butt joint structure is connected to the tip structure, a fixing structure is connected to the butt joint structure, and the butt joint structure is fixedly connected to the main rod structure through the fixing structure. The main rod structure comprises a main rod body, a first clamping groove, a first threaded section, a second threaded section and a positioning pin, the fixing structure comprises a fixing rod, a threaded groove, a second clamping groove and a limiting ring, and the butt joint structure comprises a movable ring, a connecting lug and a connecting ring. The drill rod has the advantages that the main rod structure and the tip structure are in segmented butt joint through the fixing structure and the butt joint structure, split connection of the drill rod is achieved, the utilization rate of the drill rod is improved, and the quick-wear section of the spine end of the drill rod can be replaced.

Description

Technical Field

[0001] The utility model relates to the technical field of hydraulic breaker hammer accessories, specifically, to a hydraulic breaker hammer drill rod. Background Art

[0002] The drill rod of hydraulic breaker is an essential and vulnerable part of hydraulic breaker, and hydraulic breaker is referred to as "breaker" or "breaker". Hydraulic breaker is mainly used in conjunction with main machines such as hydraulic excavators. The power source of hydraulic breaker is the pressure provided by excavators, loaders or pump stations. In engineering construction, it can more effectively break stones and rocks and improve work efficiency. Hydraulic breaker is a new type of efficient hydraulic impact vibration machine. When working, the working machine outputs high-pressure oil to realize the high-frequency reciprocating motion of the piston of the breaker in the cylinder, thereby striking the drill rod at the front end to do external work.

[0003] The drill rod in the prior art is generally of an integrated design. However, if the integrated drill rod is damaged during use, the entire rod needs to be replaced, and the utilization rate is low. Therefore, there is an urgent need for a hydraulic breaker drill rod that can be split and connected. Utility Model Content

[0004] In view of the problems in the related technology, the utility model proposes a hydraulic breaker drill rod to overcome the above technical problems existing in the existing related technology.

[0005] To this end, the specific technical solutions adopted by the utility model are as follows:

[0006] A hydraulic breaker hammer drill rod comprises a main rod structure. One end of the main rod structure is provided with a tip structure, the tip structure is connected to a butt joint structure, the butt joint structure is connected to a fixing structure, and the butt joint structure is fixedly connected to the main rod structure through the fixing structure.

[0007] Furthermore, the main rod structure includes a main rod body, a first slot, a first threaded section, a second threaded section, and a positioning pin. The main rod body is provided with a first slot, and one end of the first slot is provided with a first threaded section.

[0008] Furthermore, a first threaded section is provided at one end of the main rod body, a second threaded section is provided on the main rod body, and a positioning pin is fixedly provided at the other end of the main rod body.

[0009] Furthermore, the fixing structure includes a fixing rod, a thread groove, a second clamping groove, and a limiting ring, and one end of the fixing rod is provided with a thread groove.

[0010] Furthermore, the thread groove matches the second thread segment, a second slot is provided on the fixing rod, and a limiting ring is fixedly provided on the other end of the fixing rod.

[0011] Furthermore, the docking structure includes a movable ring, a connecting ear, and a connecting ring. One end of the movable ring is fixedly connected to the connecting ear, the connecting ear is rotatably connected to the connecting ring, and the inner ring of the movable ring matches the limiting ring.

[0012] Furthermore, the tip structure includes a tip rod, a docking groove, a limiting groove, a spike end, and a connecting groove. A docking groove is provided at one end of the tip rod, and a limiting groove is provided in the docking groove, and the limiting groove matches the positioning pin.

[0013] Furthermore, a spike end is fixedly provided at the other end of the tip rod, and a connecting groove is fixedly connected to the peripheral side of the tip rod, and the connecting groove matches the connecting ring.

[0014] The beneficial effects of the utility model are as follows: the main rod structure and the tip structure provided in the utility model are butted in sections through the fixing structure and the butt joint structure, so as to realize the split connection of the drill rod, improve its utilization rate, and enable the vulnerable section of the spike end to be replaced. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] 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 will be briefly introduced below. Obviously, the drawings described below are only 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.

[0016] Figure 1 It is a schematic diagram of the main structure of a hydraulic breaker drill rod according to an embodiment of the utility model;

[0017] Figure 2 This is a schematic diagram of the main rod structure of a hydraulic breaker drill rod according to an embodiment of the utility model;

[0018] Figure 3 It is a schematic diagram of a fixing structure of a hydraulic breaker drill rod according to an embodiment of the utility model;

[0019] Figure 4 It is a schematic diagram of the docking structure of a hydraulic breaker drill rod according to an embodiment of the utility model;

[0020] Figure 5 The utility model is a schematic diagram of the tip structure of a hydraulic breaker hammer drill rod according to an embodiment of the utility model.

[0021] In the figure:

[0022] 1. Main rod structure; 101. Main rod body; 102. First clamping groove; 103. First threaded section; 104. Second threaded section; 105. Positioning pin; 2. Fixing structure; 201. Fixing rod; 202. Threaded groove; 203. Second clamping groove; 204. Limiting ring; 3. Docking structure; 301. Movable ring; 302. Connecting ear; 303. Connecting ring; 4. Tip structure; 401. Tip rod; 402. Docking groove; 403. Limiting groove; 404. Spike end; 405. Connecting groove. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.

[0024] According to an embodiment of the utility model, a hydraulic breaker drill rod is provided.

[0025] like Figure 1-5 As shown, the hydraulic breaker drill rod according to the embodiment of the utility model comprises a main rod structure 1, one end of the main rod structure 1 is provided with a tip structure 4, the tip structure 4 is connected with a docking structure 3, the docking structure 3 is connected with a fixing structure 2, and the docking structure 3 is fixedly connected to the main rod structure 1 through the fixing structure 2. The main rod structure 1 and the tip structure 4 are fixedly connected through the fixing structure 2 and the docking structure 3, so that the split design and fixed connection of the main rod and the tip are realized, the utilization rate is improved, and the vulnerable tip can be replaced.

[0026] The main rod structure 1 includes a main rod body 101, a first slot 102, a first thread segment 103, a second thread segment 104, and a positioning pin 105. The main rod body 101 is provided with a first slot 102, one end of the first slot 102 is provided with a first thread segment 103, the first thread segment 103 is provided at one end of the main rod body 101, the main rod body 101 is also provided with a second thread segment 104, and the other end of the main rod body 101 is fixed with a positioning pin 105. The main rod body 101 of the main rod structure 1 is docked with the hydraulic device through the first slot 102 and the first thread segment 103, the second thread segment 104 is used for threaded docking with the fixed structure 2, and the positioning pin 105 is used for docking with the tip structure 4.

[0027] The fixing structure 2 includes a fixing rod 201, a thread groove 202, a second clamping groove 203, and a limiting ring 204. The fixing rod 201 has a thread groove 202 at one end, the thread groove 202 matches the second thread segment 104, the fixing rod 201 has a second clamping groove 203, and the other end of the fixing rod 201 is fixed with a limiting ring 204. The fixing rod 201 of the fixing structure 2 is provided with a thread groove 202 at one end for threaded docking with the second thread segment 104, the second clamping groove 203 is used for wrench clamping for rotation tightening and disassembly, and the limiting ring 204 is used for limited docking with the docking structure 3, and facilitates the fixing rod 201 to rotate during tightening and disassembly.

[0028] The docking structure 3 includes a movable ring 301, a connecting ear 302, and a connecting ring 303. One end of the movable ring 301 is fixedly connected to the connecting ear 302, and the connecting ear 302 is rotatably connected to the connecting ring 303. The inner ring of the movable ring 301 matches the limiting ring 204. The movable ring 301 of the docking structure 3 is sleeved on the fixed rod 201, and the connecting ring 303 is connected in the connecting groove 405, and then connected to the tip rod 401. When the fixed rod 201 of the fixed structure 2 is threadedly fixed with the second thread segment 104 through the thread groove 202, the force between the connecting ring 303 and the connecting groove 405 will increase, so that it is gradually fixed and the connection strength is improved.

[0029] The tip structure 4 includes a tip rod 401, a docking groove 402, a limiting groove 403, a spike end 404, and a connecting groove 405. The tip rod 401 has a docking groove 402 at one end, a limiting groove 403 is provided in the docking groove 402, and the limiting groove 403 matches the positioning pin 105. The other end of the tip rod 401 is fixedly provided with a spike end 404. The peripheral side of the tip rod 401 is fixedly connected with a connecting groove 405, and the connecting groove 405 matches the connecting ring 303. The limiting groove 403 matches the positioning pin 105, so that the tip rod 401 is docked with the main rod body 101, and the spike end 404 improves the effect of the hammer.

[0030] In order to facilitate understanding of the above technical solution of the present invention, the working principle or operation method of the present invention in the actual process is described in detail below.

[0031] The main rod structure 1 and the tip structure 4 are fixedly connected by the fixing structure 2 and the docking structure 3, realizing the split design and fixed connection of the main rod and the tip, improving the utilization rate, and making the vulnerable tip replaceable. The main rod body 101 of the main rod structure 1 is docked with the hydraulic device through the first clamping groove 102 and the first threaded segment 103, the second threaded segment 104 is used for threaded docking with the fixing structure 2, and the positioning pin 105 is used for docking with the tip structure 4. The fixing rod 201 of the fixing structure 2 passes through the inside, and a threaded groove 202 is provided at one end for threaded docking with the second threaded segment 104. The second clamping groove 203 is used for wrench clamping for rotation tightening and disassembly. 04 is used for limited docking with the docking structure 3, and facilitates the rotation of the fixing rod 201 during tightening and disassembly. The movable ring 301 of the docking structure 3 is sleeved on the fixing rod 201, and the connecting ring 303 is connected in the connecting groove 405, and then connected to the tip rod 401. When the fixing rod 201 of the fixing structure 2 is threadedly fixed with the second thread segment 104 through the thread groove 202, the force between the connecting ring 303 and the connecting groove 405 will increase, so that it will be gradually fixed and the connection strength will be improved. The limiting groove 403 is matched with the positioning pin 105, so that the tip rod 401 is docked with the main rod body 101, and the spike end 404 improves the effect of the hammer.

[0032] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A hydraulic breaker drill rod, characterized in that: The invention comprises a main rod structure (1), wherein one end of the main rod structure (1) is provided with a tip structure (4), the tip structure (4) is connected to a docking structure (3), the docking structure (3) is connected to a fixing structure (2), and the docking structure (3) is fixedly connected to the main rod structure (1) via the fixing structure (2).

2. A hydraulic breaker drill rod according to claim 1, characterized in that: The main rod structure (1) comprises a main rod body (101), a first slot (102), a first threaded section (103), a second threaded section (104), and a positioning pin (105); the main rod body (101) is provided with a first slot (102), and one end of the first slot (102) is provided with a first threaded section (103).

3. A hydraulic breaker drill rod according to claim 2, characterized in that: The first threaded section (103) is provided at one end of the main rod body (101), the main rod body (101) is also provided with a second threaded section (104), and a positioning pin (105) is fixedly provided at the other end of the main rod body (101).

4. A hydraulic breaker drill rod according to claim 3, characterized in that: The fixing structure (2) comprises a fixing rod (201), a thread groove (202), a second clamping groove (203), and a limiting ring (204); one end of the fixing rod (201) is provided with a thread groove (202).

5. A hydraulic breaker drill rod according to claim 4, characterized in that: The thread groove (202) matches the second thread segment (104), a second clamping groove (203) is provided on the fixing rod (201), and a limiting ring (204) is fixedly provided on the other end of the fixing rod (201).

6. A hydraulic breaker drill rod according to claim 5, characterized in that: The docking structure (3) comprises a movable ring (301), a connecting ear (302), and a connecting ring (303); one end of the movable ring (301) is fixedly connected to the connecting ear (302); the connecting ear (302) is rotatably connected to the connecting ring (303); and the inner ring of the movable ring (301) matches the limiting ring (204).

7. A hydraulic breaker drill rod according to claim 6, characterized in that: The tip structure (4) comprises a tip rod (401), a docking groove (402), a limiting groove (403), a spike end (404), and a connecting groove (405); one end of the tip rod (401) is provided with a docking groove (402); a limiting groove (403) is provided in the docking groove (402); and the limiting groove (403) matches the positioning pin (105).

8. A hydraulic breaker drill rod according to claim 7, characterized in that: The other end of the pointed rod (401) is fixedly provided with a spike end (404), and the peripheral side of the pointed rod (401) is fixedly connected with a connecting groove (405), and the connecting groove (405) matches the connecting ring (303).

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