Directional impact device of hydraulic breaking hammer

Abstract

The utility model relates to the technical field of mechanical crushing equipment, and discloses a directional impact device of a hydraulic crushing hammer, which comprises a shell, a fixing plate is fixedly connected in the shell, an eccentric wheel is fixedly connected in the middle of the fixing plate, and a connecting rod is rotatably connected to the outer side of the eccentric wheel through a fixing rod. The other end of the connecting rod is rotationally connected with a drill rod through a fixing rod, the top of the connecting block is fixedly connected with a buffering device used for damping and silencing, and the left side of the shell is fixedly connected with a driving assembly used for driving the eccentric wheel to work. The eccentric wheel drives the movable drill rod to reciprocate under the action of the speed reducer by starting the motor, directional impact is realized under the action of the bushing, and violent impact on the shell due to rapid rebound after the piston rod impacts the drill rod is reduced under the action of the damping spring and the rubber plug, so that the buffering performance of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical crushing equipment, in particular to a directional impact device for a hydraulic breaker hammer. Background Art

[0002] Hydraulic breaker is also known as "breaker" or "breaker". The power source of hydraulic breaker is the pressure provided by excavator, loader or pump station. It can break stones and rocks more effectively during construction and improve work efficiency.

[0003] When a traditional hydraulic breaker is working, it is often difficult to accurately control the impact direction, which brings many inconveniences to the construction. In a narrow space or an operating environment where a specific part needs to be precisely broken, the inability to accurately direct the impact will cause damage to the surrounding structures that do not need to be destroyed, increasing the repair cost and construction risk. Utility Model Content

[0004] In order to make up for the above shortcomings, the utility model provides a hydraulic breaker hammer directional impact device, which aims to improve the problem that the prior art cannot accurately break specific parts.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A directional impact device for a hydraulic breaker comprises a housing, wherein a fixing plate is fixedly connected inside the housing, a rotating shaft is rotatably connected to the middle of the fixing plate, an eccentric wheel is fixedly connected to the outside of the rotating shaft, a connecting rod is rotatably connected to the outside of the eccentric wheel via a fixing rod, a drill rod is rotatably connected to the other end of the connecting rod via a fixing rod, a connecting block is fixedly connected to the top of the fixing plate, a buffer device is fixedly connected to the top of the connecting block for shock absorption and noise reduction, the buffer device comprises a piston rod, a shock absorbing spring is sleeved on the outside of the piston rod, a rubber plug is fixedly connected to the top of the piston rod, a connecting sheet is fixedly connected to the top of the rubber plug, and a driving assembly is fixedly connected to the left side of the housing for driving the eccentric wheel to work;

[0007] As a further description of the above technical solution:

[0008] The drive assembly includes an inspection box, a motor is fixedly connected to the interior of the inspection box, a reducer is fixedly connected to the output end of the motor, and the output end of the reducer is fixedly connected to the outside of the rotating shaft;

[0009] As a further description of the above technical solution:

[0010] The rubber stopper has a groove inside for buffering the return stroke of the piston rod;

[0011] As a further description of the above technical solution:

[0012] A bushing is fixedly connected inside the housing, and the drill rod is slidably connected inside the bushing;

[0013] As a further description of the above technical solution:

[0014] A connection buckle is fixedly connected to the right side of the inspection box for opening and closing the inspection box for maintenance;

[0015] As a further description of the above technical solution:

[0016] The piston rod is slidably connected inside the housing, and the left side of the bushing is fixedly connected to the right side of the fixed plate;

[0017] As a further description of the above technical solution:

[0018] A fixed groove is fixedly connected to the bottom of the housing, and the outside of the drill rod is slidably connected inside the fixed groove;

[0019] As a further description of the above technical solution:

[0020] A handle is fixedly connected to the left end of the inspection box for opening the inspection box.

[0021] The utility model has the following beneficial effects:

[0022] 1. In the utility model, by starting the motor, the rotating shaft drives the eccentric wheel to rotate under the action of the speed reducer. Under the action of the eccentric wheel, the connecting rod and the drill rod perform reciprocating motion. Under the limiting action of the bushing, directional impact can be realized, which increases the working accuracy and avoids unnecessary environmental damage and resource waste during use.

[0023] 2. In the utility model, under the action of the shock-absorbing spring and the rubber plug during operation, the severe impact on the housing caused by the rapid rebound of the piston rod after impacting the drill rod is greatly reduced, avoiding potential safety hazards and improving the buffering performance of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 is a three-dimensional schematic diagram of the directional impact device of the hydraulic breaker proposed by the utility model;

[0025] Figure 2 is a schematic structural diagram of the cross-section of the directional impact device of the hydraulic breaker proposed by the utility model;

[0026] Figure 3 is a schematic structural diagram of the reciprocating structure of the directional impact device of the hydraulic breaker proposed by the utility model;

[0027] Figure 4This is a schematic side view of the reciprocating structure of the directional impact device of the hydraulic breaker proposed by the present utility model.

[0028] Legend:

[0029] 1. Housing; 2. Maintenance box; 3. Handle; 4. Reducer; 5. Fixed groove; 6. Drifting bar; 7. Piston rod; 8. Rubber plug; 9. Connecting piece; 10. Groove; 11. Motor; 12. Connecting rod; 13. Bushing; 14. Fixed rod; 15. Eccentric wheel; 16. Shock-absorbing spring; 17. Connecting block; 18. Fixed plate; 19. Rotating shaft; 20. Connecting buckle. Specific implementation mode

[0030] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0031] Refer to Figure 1 - Figure 4 , an embodiment provided by the present utility model: a directional impact device for a hydraulic breaker, including a housing 1, a fixed plate 18 is fixedly connected inside the housing 1, a rotating shaft 19 is rotatably connected to the middle of the fixed plate 18, an eccentric wheel 15 is fixedly connected to the outside of the rotating shaft 19, the eccentric wheel 15 is rotated by the rotation of the rotating shaft 19, the outside of the eccentric wheel 15 is rotatably connected to a connecting rod 12 through a fixed rod 14, the other end of the connecting rod 12 is rotatably connected to a drifting bar 6 through a fixed rod 14, the connecting rod 12 is fixed by setting the fixed rod 14 to make it more stable, the connecting rod 12 is used to connect the eccentric wheel 15 and the drifting bar 6, a connecting block 17 is fixedly connected to the top of the fixed plate 18, a buffer device is fixedly connected to the top of the connecting block 17, the buffer device includes a piston rod 7, a shock-absorbing spring 16 is sleeved outside the piston rod 7, the shock-absorbing spring 16 is set to reduce the damage caused by the rebound impact, a rubber plug 8 is fixedly connected to the top of the piston rod 7, a connecting piece 9 is fixedly connected to the top of the rubber plug 8, a driving component is fixedly connected to the left side of the housing 1 for driving the eccentric wheel 15 to work, a groove 10 is opened inside the rubber plug 8 for the return buffer of the piston rod 7, a bushing 13 is fixedly connected to the inside of the housing 1, the drifting bar 6 is slidably connected inside the bushing 13, and directional impact can be realized under the limiting action of the bushing 13, increasing the working accuracy.

[0032] Refer to Figure 1 - Figure 4, the driving component includes an inspection box 2. A motor 11 is fixedly connected inside the inspection box 2. By providing the inspection box 2, it is convenient to repair the device and improve the convenience of the device. The output end of the motor 11 is fixedly connected to a speed reducer 4, and the output end of the speed reducer 4 is fixedly connected to the outside of a rotating shaft 19. Under the action of the motor 11, the speed reducer 4 drives the rotating shaft 19 to work.

[0033] Refer to Figure 1 - Figure 3 , a fixed groove 5 is fixedly connected to the bottom of the housing 1. The outside of the drill rod 6 is slidably connected inside the fixed groove 5. The fixed groove 5 is used to prevent gravel from entering the inside of the housing 1 during work and damaging the equipment. A connection buckle 20 is fixedly connected to the right side of the inspection box 2 for opening and closing the inspection box 2 for maintenance. A handle 3 is fixedly connected to the left end of the inspection box 2 for opening the inspection box 2.

[0034] Working principle: During operation, the motor 11 is started. Under the action of the motor 11, the speed reducer 4 drives the rotating shaft 19 to make the eccentric wheel 15 rotate. When the eccentric wheel 15 rotates, it will drive one of the fixed rods 14 to move. When one of the fixed rods 14 moves, it will drive the other fixed rod 14 to move through the connecting rod 12. When the fixed rod 14 moves, it will drive the drill rod 6 to move reciprocally. Thus, under the limiting action of the bushing 13, directional impact can be realized, increasing the working accuracy and greatly improving the working efficiency.

[0035] When the piston rod 7 acts downward, the shock-absorbing spring 16 reduces the noise and damage caused by the rebound impact. When the piston rod returns, through the rubber plug 8, it can reduce the force received by the piston rod 7 during work and extend the service life of the equipment.

[0036] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. Hydraulic breaker directional impact device, including a housing (1), characterized in that: Inside the housing (1), there is a fixed connection with a fixed plate (18). In the middle of the fixed plate (18), there is a rotatable connection with a rotating shaft (19). Outside the rotating shaft (19), there is a fixed connection with an eccentric wheel (15). The outside of the eccentric wheel (15) is rotatably connected with a connecting rod (12) through a fixed rod (14). The other end of the connecting rod (12) is rotatably connected with a drill rod (6) through a fixed rod (14). On the top of the fixed plate (18), there is a fixed connection with a connecting block (17). On the top of the connecting block (17), there is a fixed connection with a buffer device. The buffer device includes a piston rod (7). Outside the piston rod (7), there is a shock-absorbing spring (16) sleeved. On the top of the piston rod (7), there is a fixed connection with a rubber plug (8). On the top of the rubber plug (8), there is a fixed connection with a connecting piece (9). On the left side of the housing (1), there is a fixed connection with a driving component for driving the eccentric wheel (15) to work.

2. The hydraulic breaker directional impact device according to claim 1, wherein: The driving component includes a maintenance box (2). Inside the maintenance box (2), there is a fixed connection with a motor (11). The output end of the motor (11) is fixedly connected with a speed reducer (4). The output end of the speed reducer (4) is fixedly connected to the outside of the rotating shaft (19).

3. The hydraulic breaker directional impact device according to claim 1, wherein: Inside the rubber plug (8), there is a groove (10) for the function of buffering the return stroke of the piston rod (7).

4. The hydraulic breaker directional impact device according to claim 1, characterized in that: Inside the housing (1), there is a fixed connection with a bushing (13). The drill rod (6) is slidably connected inside the bushing (13).

5. The hydraulic breaker directional impact device according to claim 2, characterized in that: On the right side of the maintenance box (2), there is a fixed connection with a connection buckle (20) for opening and closing the maintenance box (2) for maintenance.

6. The hydraulic breaker directional impact device according to claim 4, characterized in that: The piston rod (7) is slidably connected inside the housing (1). The left side of the bushing (13) is fixedly connected to the right side of the fixed plate (18).

7. The hydraulic breaker directional impact device according to claim 1, characterized in that: On the bottom of the housing (1), there is a fixed connection with a fixed groove (5). The outside of the drill rod (6) is slidably connected inside the fixed groove (5).

8. The hydraulic breaker directional impact device according to claim 2, characterized in that: On the left end of the maintenance box (2), there is a fixed connection with a handle (3) for opening the maintenance box (2).

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