Olecranon scissors for excavator

Abstract

The utility model relates to the technical field of excavators, and discloses an eagle beak shear for an excavator, which comprises a mounting block, one end of the mounting block is provided with a circular ring groove, the inside of the circular ring groove is rotatably connected with a circular ring plate, one end of the circular ring plate is fixedly connected with an extension rod, and the extension rod is fixedly connected with a second motor. The output end of a second motor drives an arc sleeve of the second motor to move on the outer wall of an arc plate through meshing of a stable gear and a movable rack, then adjustment of the angle of the olecranon shear body is completed, the using efficiency of the olecranon shear body is further improved, the olecranon shear body adapts to the using environment, and the cutting efficiency of the olecranon shear body is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of excavators, and specifically relates to an eagle beak shear for excavators. Background Technique

[0002] The eagle beak shear is a device installed on the boom of an excavator for shearing scrap steel. It mainly consists of a shearing body, a connecting piece installed at the rear end of the shearing body, a fixed shearing knife handle arranged at the lower part of the front end of the shearing body, fixed shearing blades installed on the left and right sides of the fixed shearing knife handle, a movable shearing knife handle hinged at the upper part of the front end of the shearing body, movable shearing blades installed on the left and right sides of the movable shearing knife handle, and an oil cylinder installed inside the shearing body and connected to the rear end of the movable shearing knife handle.

[0003] After retrieval, the utility model patent with the Chinese patent publication number CN214517841U discloses an eagle beak shear for excavators, including a shearing body, a connecting piece connected to the excavator is installed at the rear end of the shearing body, a fixed shearing knife handle is arranged at the lower part of the front end of the shearing body, fixed shearing blade groups are respectively installed on the left and right sides of the fixed shearing knife handle, a movable shearing knife handle is hinged at the upper part of the front end of the shearing body, an oil cylinder connected to the rear end of the movable shearing knife handle is installed on the shearing body, movable shearing blade groups are respectively installed on the left and right sides of the movable shearing knife handle, and the edge of the bottom surface of the movable shearing knife group is in a double broken line shape, and the included angle of the broken line in the front part of the edge is 162° - 167°; although this device effectively prevents the steel from detaching by forming a double broken line shape at the edge of the bottom surface of the movable shearing blade, in actual use, since it is inconvenient to rotate and adjust the angle of the eagle beak shear body according to the environment, the use effect of the eagle beak shear body is reduced, and its shearing efficiency is reduced. Content of the Utility Model

[0004] (1) Technical Problem to be Solved

[0005] Aiming at the deficiencies of the prior art, the utility model provides an eagle beak shear for excavators that is convenient for angle adjustment.

[0006] (2) Technical Solution

[0007] To achieve the above purpose, the utility model provides the following technical solution: An eagle beak shear for excavators, including a mounting block, a circular ring groove is opened at one end of the mounting block, a circular ring plate is rotatably connected inside the circular ring groove, one end of the circular ring plate is fixedly connected with an extension rod, and a rotating mechanism is installed between one end of the extension rod and one end of the mounting block;

[0008] One end of the extension rod is fixedly connected with an adjustment block, one end of the adjustment block is fixedly connected with an arc plate, an arc sleeve is slidably connected to the outer wall of the arc plate, an arc groove is opened at one end inside the arc sleeve, and an adjustment mechanism is installed between one end inside the arc groove and one end of the arc plate;

[0009] One end of the arc sleeve is fixedly installed with a hawk-beak shear body.

[0010] Preferably, the rotating mechanism includes a first motor, one end of the first motor is fixedly connected to one end of the mounting block, a rotating rod is rotatably connected between one end of the extension rod and one end of the mounting block, and rotating gears are fixedly connected to the outer wall of the rotating rod and the output end of the first motor respectively, and the two rotating gears mesh with each other.

[0011] Further, the adjusting mechanism includes a second motor, one end of the second motor is fixedly connected to one end inside the arc groove, the output end of the second motor is fixedly connected with a stable gear, a moving rack is fixedly installed at one end inside the arc plate, and the moving rack meshes with the stable gear.

[0012] Furthermore, one end of the arc sleeve is fixedly connected with an arc block, and one end of the arc block is slidably connected with one end of the arc plate.

[0013] On the basis of the above, one end of the mounting block is fixedly connected with a mounting plate, and mounting through holes are formed at one ends of the two mounting plates.

[0014] (III) Beneficial effects

[0015] Compared with the prior art, the present utility model provides a hawk-beak shear for an excavator, which has the following beneficial effects:

[0016] For this hawk-beak shear for an excavator, after the hawk-beak shear body is installed at the corresponding position, through the coordinated use of the first motor, rotating gears, rotating rod and circular ring plate, the hawk-beak shear body is driven to rotate. And after the second motor is powered on and started, the output end of the second motor will drive the arc sleeve to move on the outer wall of the arc plate through the meshing of the stable gear and the moving rack, thereby completing the adjustment of the angle of the hawk-beak shear body, further improving the efficiency of the hawk-beak shear body during use, so as to adapt to the use environment and improve the cutting efficiency of the hawk-beak shear body. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a front view structural diagram of the present utility model;

[0018] Figure 2 is a front view sectional structural diagram of the adjusting mechanism of the present utility model;

[0019] Figure 3 is a front view sectional structural diagram of the rotating mechanism of the present utility model;

[0020] Figure 4 is the present utility model Figure 2 is a partial enlarged structural diagram at A in the figure.

[0021] In the figure: 1, mounting block; 2, circular ring plate; 3, extension rod; 4, adjusting block; 5, arc plate; 6, arc sleeve; 7, eagle beak shear body; 8, first motor; 9, rotating rod; 10, rotating gear; 11, second motor; 12, stabilizing gear; 13, moving rack; 14, arc block; 15, mounting plate. Specific implementation manner

[0022] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0023] The present invention will be further described in detail below in conjunction with the specification drawings.

[0024] Please refer to Figures 1-4 , an eagle beak shear for an excavator, including a mounting block 1. A circular ring groove is provided at one end of the mounting block 1. A circular ring plate 2 is rotatably connected inside the circular ring groove. One end of the circular ring plate 2 is fixedly connected with an extension rod 3. A rotating mechanism is installed between one end of the extension rod 3 and one end of the mounting block 1. The rotating mechanism includes a first motor 8. One end of the first motor 8 is fixedly connected with one end of the mounting block 1. A rotating rod 9 is rotatably connected between one end of the extension rod 3 and one end of the mounting block 1. Rotating gears 10 are fixedly connected to the outer wall of the rotating rod 9 and the output end of the first motor 8 respectively. The two rotating gears 10 are meshed with each other. After the eagle beak shear body 7 is installed at the corresponding position, through the cooperation of the first motor 8, the rotating gears 10, the rotating rod 9 and the circular ring plate 2, the eagle beak shear body 7 is driven to rotate. One end of the extension rod 3 is fixedly connected with an adjusting block 4. One end of the adjusting block 4 is fixedly connected with an arc plate 5. An arc sleeve 6 is slidably connected to the outer wall of the arc plate 5. An arc groove is provided at one end inside the arc sleeve 6. An adjusting mechanism is installed between one end inside the arc groove and one end of the arc plate 5. One end of the arc sleeve 6 is fixedly installed with the eagle beak shear body 7. The adjusting mechanism includes a second motor 11. One end of the second motor 11 is fixedly connected with one end inside the arc groove. The output end of the second motor 11 is fixedly connected with a stabilizing gear 12. A moving rack 13 is fixedly installed at one end inside the arc plate 5. The moving rack 13 is meshed with the stabilizing gear 12. After the second motor 11 is powered on and started, the output end of the second motor 11 will drive the arc sleeve 6 to move on the outer wall of the arc plate 5 through the meshing of the stabilizing gear 12 and the moving rack 13, thereby completing the adjustment of the angle of the eagle beak shear body 7, further improving the efficiency of the eagle beak shear body 7 during use, so as to adapt to the use environment and improve the cutting efficiency of the eagle beak shear body 7.

[0025] It should also be noted that one end of the arc sleeve 6 is fixedly connected with an arc block 14, and one end of the arc block 14 is slidably connected with one end of the arc plate 5, which further improves the stability of the arc sleeve 6 when moving on the arc plate 5. One end of the mounting block 1 is fixedly connected with a mounting plate 15, and mounting through holes are formed at one ends of the two mounting plates 15, and the mounting block 1 is mounted through the mounting through holes.

[0026] In summary, when the eagle beak shear for excavator is in use, first, after the eagle beak shear body 7 is installed at the corresponding position, under the power-on start of the first motor 8, the output end of the first motor 8 will drive its rotating rod 9 to rotate through the rotating gear 10. During the rotation of the rotating rod 9, its extension rod 3 will be driven to rotate, and the eagle beak shear body 7 will be driven to rotate. Under the power-on start of the second motor 11, the output end of the second motor 11 will drive its arc sleeve 6 to move on the outer wall of the arc plate 5 through the engagement of the stable gear 12 and the moving rack 13, thereby completing the adjustment of the angle of the eagle beak shear body 7.

[0027] The above embodiments only represent the specific implementation manners of the present invention, and the description thereof is relatively specific and detailed, but it should not be construed as a limitation on the scope of the patent of the present invention. It should be pointed out that for those of ordinary skill in the art, without departing from the concept of the present invention, several deformations and improvements can still be made, and these all belong to the protection scope of the present invention.

Claims

1. A hawkbill shear for an excavator, comprising a mounting block (1), characterized in that: One end of the mounting block (1) is provided with an annular groove, a circular plate (2) is rotatably connected inside the annular groove, one end of the circular plate (2) is fixedly connected to an extension rod (3), and a rotating mechanism is installed between one end of the extension rod (3) and one end of the mounting block (1); One end of the extension rod (3) is fixedly connected to an adjustment block (4), one end of the adjustment block (4) is fixedly connected to an arc plate (5), an arc sleeve (6) is slidably connected to the outer wall of the arc plate (5), an arc groove is formed at one end inside the arc sleeve (6), and an adjustment mechanism is installed between one end inside the arc groove and one end of the arc plate (5); One end of the arc sleeve (6) is fixedly mounted with an eagle beak shear body (7).

2. The excavator shears according to claim 1, characterized in that: The rotating mechanism comprises a first motor (8), one end of the first motor (8) is fixedly connected to one end of the mounting block (1), a rotating rod (9) is rotatably connected between one end of the extension rod (3) and one end of the mounting block (1), a rotating gear (10) is fixedly connected to the outer wall of the rotating rod (9) and the output end of the first motor (8), and the two rotating gears (10) are meshed with each other.

3. The excavator hawkbill shears according to claim 2, characterized in that: The adjustment mechanism comprises a second motor (11), one end of the second motor (11) is fixedly connected to one end inside the circular arc groove, the output end of the second motor (11) is fixedly connected to a stabilizing gear (12), one end inside the circular arc plate (5) is fixedly mounted with a moving rack (13), and the moving rack (13) and the stabilizing gear (12) are meshed with each other.

4. The excavator hawkbill shears according to claim 3, characterized in that: One end of the circular arc sleeve (6) is fixedly connected to a circular arc block (14), and one end of the circular arc block (14) is slidably connected to one end of the circular arc plate (5).

5. The excavator shears according to claim 4, characterized in that: One end of the mounting block (1) is fixedly connected to a mounting plate (15), and one end of each of the two mounting plates (15) is provided with a mounting through hole.

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