Hydraulic breaking hammer drill rod convenient to replace

Abstract

The utility model relates to the technical field of breaking hammer drill rods, and discloses a hydraulic breaking hammer drill rod convenient to replace, which comprises a rod body, one end of the rod body is fixedly connected with a base I, a clamping groove is formed in the base I, the outer wall of the clamping groove is slidably connected with a base III, and the inner wall of the base III is slidably connected with a pressing block. A second connecting column is fixedly connected to one end of the pressing block, a third connecting column is fixedly connected to the outer wall of the second connecting column, a second spring is fixedly connected to one end of the third connecting column, one end of the second spring is fixedly connected to the lower surface of the pressing block, the outer wall of the third connecting column is fixedly connected to the inner wall of the third base, and a second plug pin is fixedly connected to the outer wall of the second connecting column. According to the device, the pressing block compresses the second spring by pressing the pull rod, the second connecting column moves downwards to drive the second plug pin and the first plug pin to move, the second plug pin and the first plug pin move to touch the limiting block, the limiting block is tightened, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of breaker hammer drill rods, in particular to a hydraulic breaker hammer drill rod which is easy to replace. Background Art

[0002] Hydraulic breaker rod 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 excavator, loader or pump station. In engineering construction, it can more effectively break stones and rocks and improve work efficiency, so breaker rod is needed.

[0003] Existing products of hammer drill rods are all integrally cast, or made of a drill rod, a front cylinder body, a middle cylinder body, a rear cylinder body, an impact piston and a reversing valve. The front cylinder body, the middle cylinder body and the rear cylinder body are connected in sequence, and the drill rod is inserted into the front cylinder body. The tip of the drill rod is square.

[0004] The existing products have the problem that when the breaker hammer is actually working, the drill rod head hits the rock, and the four edges of the drill head are subjected to relatively concentrated force, which is prone to tip breakage, greatly reducing the life of the drill rod, thereby increasing the crushing cost. The one-piece casting makes it impossible to replace the shape of the drill rod end. When different types of drill rods need to be used, the drill rod needs to be repeatedly disassembled and assembled, which is very troublesome. Utility Model Content

[0005] In order to make up for the above shortcomings, the utility model provides a hydraulic breaker hammer drill rod that is easy to replace, aiming to improve the problem that the drill rod is not easy to replace and cannot replace different rod heads.

[0006] The cam is fixedly provided with a base 1 and a locking plate 16, and the locking plate 17 is fixedly provided with a locking plate 18, wherein the locking plate 16 is fixedly provided with a locking plate 19, wherein the locking plate 18 is fixedly provided with a locking plate 20, wherein the locking plate 16 is fixedly provided with a locking plate 21.

[0007] Furthermore, the connecting assembly includes a second base, and a groove is formed on the outer wall of the second base.

[0008] Furthermore, a connecting column 1 is slidably connected inside the rod body, and a threaded rod is threadedly connected inside the connecting column 1.

[0009] Furthermore, one end of the threaded rod is fixedly connected to a spring 1, and one end of the spring 1 is fixedly connected to a connecting block.

[0010] Furthermore, one end of the connecting block is fixedly connected to a latch 1, and the connecting block is slidably connected to an inner wall of a connecting column 1.

[0011] Furthermore, a limiting hole is provided on an outer wall of the connecting column, and a steel ball is slidably connected to the latch.

[0012] Furthermore, the steel ball is slidably connected to the inner wall of the limiting hole, and one end of the threaded rod is fixedly connected to a connecting shaft.

[0013] Furthermore, one end of the connecting shaft is fixedly connected to a rod head, and one end of the connecting column is fixedly connected to a fixing block.

[0014] The utility model has the following beneficial effects:

[0015] 1. In the utility model, by pressing the pull rod, the pressure block compresses spring 2, and the connecting column 2 moves downward to drive the latch 2 and the latch 1 to move. The latch 2 and the latch 1 move and touch the limit block, the limit block is tightened, the pull rod is released, the latch 3 touches the limit block, and the limit block is stuck in the slot. In this way, the rod body of the hydraulic breaker drill rod can be quickly replaced, the work efficiency is improved, and diversified needs can be met.

[0016] 2. In the present invention, the connecting shaft is driven to rotate the threaded rod by rotating the rod head counterclockwise. Under the action of spring 1, the connecting block drives the first latch to move downward, so that the second latch squeezes the steel ball, and the steel ball is stuck in the limit hole. Finally, the steel ball is stuck in the inside of the connecting column 1. The rod head can be removed by rotating it clockwise, thereby realizing rapid replacement of the rod head and improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the three-dimensional structure of a hydraulic breaker drill rod that is easy to replace proposed by the utility model;

[0018] Figure 2 This is a schematic structural diagram of the rod head portion of a hydraulic breaker rod that is easy to replace, as proposed by the present invention;

[0019] Figure 3 This is a schematic diagram of a threaded rod of a hydraulic breaker drill rod that is easy to replace proposed by the utility model;

[0020] Figure 4The utility model provides a schematic diagram of the structure of a limit block portion of a hydraulic breaker drill rod that is easy to replace.

[0021] Legend:

[0022] 1. Rod head; 2. Rod body; 3. Fixed block; 4. Base 1; 5. Base 2; 6. Base 3; 7. Pull rod; 8. Connecting shaft; 9. Threaded rod; 10. Spring 1; 11. Connecting block; 12. Latch 1; 13. Steel ball; 14. Connecting column 1; 15. Slot; 16. Limit hole; 17. Limit block; 18. Rotating shaft; 19. Latch 2; 20. Latch 3; 21. Connecting column 2; 22. Connecting column 3; 23. Spring 2; 24. Pressure block; 25. Groove. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0024] Reference Figure 1 and Figure 4 The utility model provides an embodiment: a hydraulic breaker drill rod that is easy to replace, including a rod body 2, one end of the rod body 2 is fixedly connected to a base 1 4, a card slot 15 is opened inside the base 1 4, the outer wall of the card slot 15 is slidably connected to a base 3 6, the inner wall of the base 3 6 is slidably connected to a pressure block 24, one end of the pressure block 24 is fixedly connected to a connecting column 21, the outer wall of the connecting column 21 is fixedly connected to a connecting column 3 22, one end of the connecting column 3 22 is fixedly connected to a spring 23, and one end of the spring 23 is fixedly connected to the pressure block 24 lower surface, the outer wall of the connecting column three 22 is fixedly connected to the inner wall of the base three 6, the outer wall of the connecting column two 21 is fixedly connected with the pin two 19, one end of the connecting column two 21 is fixedly connected with the pin three 20, the inner wall of the base three 6 is fixedly connected with the rotating shaft 18, the outer wall of the rotating shaft 18 is rotatably connected to the limiting block 17, the upper surface of the pressure block 24 is fixedly connected with the pull rod 7, the upper surface of the base three 6 is fixedly connected with a connecting assembly, which is used to be connected to the output end of the hydraulic breaker, and the connecting assembly includes the base two 5, and the outer wall of the base two 5 is provided with a groove 25.

[0025] Specifically, when the hydraulic breaker drill rod body 2 needs to be disassembled, first press the pull rod 7, so that the pressure block 24 drives the connecting column 21 to rotate under the action of the spring 23, so that the pin 2 19 touches the limit block 17. At this time, the limit block 17 deviates from the slot 15, and the disassembly is completed. When the pull rod 7 is released, the pin 3 20 moves upward to touch the limit block 17 and clamp the slot 15 to complete the assembly. In this way, the hydraulic breaker drill rod body 2 can be quickly replaced, the work efficiency is improved, and diversified needs are met.

[0026] Reference Figure 1 , Figure 2 and Figure 3 The connecting component includes a base 2 5, a groove 25 is provided on the outer wall of the base 2 5, a connecting column 14 is slidably connected to the inside of the rod body 2, a threaded rod 9 is threadedly connected to the inside of the connecting column 14, one end of the threaded rod 9 is fixedly connected to a spring 10, one end of the spring 10 is fixedly connected to a connecting block 11, one end of the connecting block 11 is fixedly connected to a latch 12, the connecting block 11 is slidably connected to the inner wall of the connecting column 14, a limiting hole 16 is provided on the outer wall of the connecting column 14, the latch 12 is slidably connected to a steel ball 13, the steel ball 13 is slidably connected to the inner wall of the limiting hole 16, one end of the threaded rod 9 is fixedly connected to a connecting shaft 8, one end of the connecting shaft 8 is fixedly connected to the rod head 1, and one end of the connecting column 14 is fixedly connected to a fixed block 3.

[0027] Specifically, when the rod head 1 needs to be replaced, first rotate the rod head 1 counterclockwise to drive the threaded rod 9 to rotate, so that the connecting block 11 squeezes the steel ball 13 under the action of the spring 10, and the steel ball 13 is stuck in the limiting hole 16 and finally stuck in the connecting column 14. At this time, the rod head 1 can be removed. When the rod head 1 needs to be installed, the installation can be completed by rotating the rod head 1 clockwise in the same way.

[0028] Working principle: When the hydraulic breaker drill rod body 2 needs to be disassembled, first press the pull rod 7, so that the pressure block 24 drives the connecting column 21 to rotate under the action of the spring 23, so that the pin 2 19 touches the limit block 17. At this time, the limit block 17 deviates from the slot 15, and the disassembly is completed. When the pull rod 7 is released, the pin 3 20 moves upward to touch the limit block 17 and jams the slot 15 to complete the assembly. In this way, the hydraulic breaker drill rod body 2 part is quickly replaced, the work efficiency is improved, and diversified needs are met. When the rod head 1 needs to be replaced, first rotate the rod head 1 counterclockwise to drive the threaded rod 9 to rotate, so that the connecting block 11 squeezes the steel ball 13 under the action of the spring 10, and the steel ball 13 jams the limit hole 16 and finally jams in the connecting column 1 14. At this time, the rod head 1 can be removed. When the rod head 1 needs to be installed, the installation can be completed by rotating the rod head 1 clockwise, thereby improving work efficiency.

[0029] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A hydraulic breaker drill rod that is easy to replace, comprising a rod body (2), characterized in that: One end of the rod body (2) is fixedly connected to a base 1 (4), a slot (15) is provided inside the base 1 (4), the outer wall of the slot (15) is slidably connected to a base 3 (6), the inner wall of the base 3 (6) is slidably connected to a pressure block (24), one end of the pressure block (24) is fixedly connected to a connecting column 2 (21), the outer wall of the connecting column 2 (21) is fixedly connected to a connecting column 3 (22), one end of the connecting column 3 (22) is fixedly connected to a spring 2 (23), one end of the spring 2 (23) is fixedly connected to the pressure block (24) On the lower surface, the outer wall of the connecting column three (22) is fixedly connected to the inner wall of the base three (6), the outer wall of the connecting column two (21) is fixedly connected to the latch two (19), one end of the connecting column two (21) is fixedly connected to the latch three (20), the inner wall of the base three (6) is fixedly connected to the rotating shaft (18), the outer wall of the rotating shaft (18) is rotatably connected to the limiting block (17), the upper surface of the pressure block (24) is fixedly connected to the pull rod (7), and the upper surface of the base three (6) is fixedly connected to a connecting assembly for connecting to the output end of the hydraulic breaker.

2. The easily replaceable hydraulic breaker drill rod according to claim 1, characterized in that: The connecting assembly comprises a second base (5), and a groove (25) is provided on the outer wall of the second base (5).

3. The easily replaceable hydraulic breaker drill rod according to claim 2, characterized in that: The rod body (2) is internally slidably connected to a connecting column (14), and the connecting column (14) is internally threadedly connected to a threaded rod (9).

4. The easily replaceable hydraulic breaker drill rod according to claim 3, characterized in that: One end of the threaded rod (9) is fixedly connected to a spring (10), and one end of the spring (10) is fixedly connected to a connecting block (11).

5. The easily replaceable hydraulic breaker drill rod according to claim 4, characterized in that: One end of the connecting block (11) is fixedly connected to a latch pin (12), and the connecting block (11) is slidably connected to the inner wall of a connecting column (14).

6. The easily replaceable hydraulic breaker drill rod according to claim 5, characterized in that: The outer wall of the connecting column 1 (14) is provided with a limiting hole (16), and the latch 1 (12) is slidably connected with a steel ball (13).

7. The easily replaceable hydraulic breaker drill rod according to claim 6, characterized in that: The steel ball (13) is slidably connected to the inner wall of the limiting hole (16), and one end of the threaded rod (9) is fixedly connected to the connecting shaft (8).

8. The easily replaceable hydraulic breaker drill rod according to claim 7, characterized in that: One end of the connecting shaft (8) is fixedly connected to a rod head (1), and one end of the connecting column (14) is fixedly connected to a fixing block (3).

Images