Externally-mounted bamboo cutting shears of excavator

Abstract

The utility model relates to the technical field of bamboo cutting equipment, and discloses an excavator external hanging type bamboo cutting shear which comprises a connecting frame, the left side and the right side of the interior of the connecting frame are fixedly connected with fixing shafts, the outer walls of the fixing shafts are rotationally connected with upper movable blades, and the lower ends of the upper movable blades are connected with lower movable blades through adjusting assemblies. Connecting rods are arranged at the upper end of the upper movable blade in a penetrating mode, a second fixing lug is fixedly connected to the outer wall of the connecting rod on the left side, a first fixing lug is fixedly connected to the outer wall of the connecting rod on the right side, a hydraulic rod is fixedly connected to the right end of the second fixing lug, and the driving end of the hydraulic rod is fixedly connected to the left end of the first fixing lug. According to the bamboo cutting shear, the distance between the cutting edges is flexibly adjusted, the bamboo cutting shear can adapt to shearing of bamboos with different thicknesses, the application range of the device is expanded, the extending length of the fixed blade can be adjusted by installing the fixed blade on the bolt holes with different heights, and therefore the abrasion degree of the fixed blade is reduced, and the durability of the device is improved.

Description

Technical Field

[0001] This utility model relates to the field of bamboo felling equipment technology, and in particular to an excavator-mounted bamboo felling shears. Background Technology

[0002] Bamboo has the characteristics of high strength, good toughness, high hardness and good plasticity. It is an excellent raw material for processing and manufacturing structural materials, boards, furniture, paper and other products. Bamboo shoots, bamboo branches, bamboo leaves and bamboo fibers can all be developed, and the entire bamboo industry can be utilized. The bamboo industry has broad development prospects.

[0003] In bamboo processing, bamboo felling is the first step in initial processing. Currently, it mainly relies on manual felling or semi-mechanized equipment. However, manual felling is inefficient and workers are prone to fatigue after long hours of work. With the development of mechanization, although some bamboo felling equipment that is compatible with excavators has emerged, existing excavator-mounted bamboo felling shears generally have some problems, such as the difficulty in flexibly adjusting the blade spacing to adapt to bamboo of different thicknesses, resulting in poor cutting effect. In response to this technical problem, this application proposes an excavator-mounted bamboo felling shear. Utility Model Content

[0004] The purpose of this utility model is to overcome the shortcomings of the existing technology and propose an excavator-mounted bamboo cutting shear. The blade spacing can be flexibly adjusted so that the bamboo cutting shear can adapt to cutting bamboo of different thicknesses, thus expanding the applicability of the equipment. Furthermore, by installing the fixed blade on bolt holes at different heights, the extension length of the fixed blade can be adjusted according to the thickness of the bamboo, thereby reducing the wear of the fixed blade and improving the durability of the device.

[0005] To achieve the above objectives, the present invention provides the following technical solution:

[0006] An excavator-mounted bamboo cutting shear includes a connecting frame. Fixed shafts are fixedly connected to both the left and right sides of the connecting frame. An upper movable blade is rotatably connected to the outer wall of each fixed shaft. A lower movable blade is connected to the lower end of the upper movable blade via an adjusting assembly. A connecting rod passes through the upper end of the upper movable blade. A second fixed lug is fixedly connected to the outer wall of the connecting rod on the left side, and a first fixed lug is fixedly connected to the outer wall of the connecting rod on the right side. A hydraulic rod is fixedly connected to the right end of the second fixed lug, and the drive end of the hydraulic rod is fixedly connected to the left end of the first fixed lug. A fixed blade is connected to the inner front end of the connecting frame via a fixing assembly.

[0007] Furthermore, the adjustment assembly includes an adjustment box fixedly connected to the inner side of the lower end of the upper movable blade, a worm gear rotatably connected to the upper side of the adjustment box, a knob fixedly connected to the opposite end of the worm gear, and the end of the knob rotatably connected to the outside of the adjustment box.

[0008] Furthermore, a worm wheel is meshed with the outer wall of the worm, and a rotating shaft is fixedly connected to the middle of the worm wheel. The outer wall of the rotating shaft is rotatably connected to the lower part of the upper movable blade, and the left and right sides of the outer wall of the rotating shaft are fixedly connected to the upper part of the lower movable blade.

[0009] Furthermore, multiple pin holes are provided on the lower front end of the upper movable blade and the upper front end of the lower movable blade, and pins are installed inside the pin holes.

[0010] Furthermore, the fixing component includes multiple sets of bolt holes opened at the front end of the connecting frame, the inner wall of the bolt holes is threaded with fastening bolts, and the outer wall of the fastening bolts is threaded with the upper part of the fixing blade.

[0011] Furthermore, a connecting plate is installed at the upper end of the connecting frame, and an mounting block is installed at the upper end of the connecting plate.

[0012] Furthermore, the lower left and right sides of the fixed blade are set in an arc shape.

[0013] This utility model has the following beneficial effects:

[0014] 1. In this utility model, the worm gear and worm wheel can be driven by rotating the knob, thereby adjusting the relative position of the lower movable blade and the upper movable blade, flexibly changing the blade spacing, and accurately adapting to the shearing needs of bamboo of different thicknesses. This avoids shearing difficulties or equipment damage caused by differences in bamboo thickness, thus expanding the applicability of the equipment.

[0015] 2. In this utility model, the upper movable blade is driven by a hydraulic rod to rotate around a fixed axis, and cooperates with the fixed blade to realize the shearing action. The hydraulic drive can provide a strong and stable shearing force, which can quickly cut bamboo and greatly improve the efficiency of bamboo felling. Moreover, by installing the fixed blade on bolt holes at different heights, the length of the fixed blade extension can be adjusted according to the thickness of the bamboo, thereby reducing the wear of the fixed blade and improving the durability of the device. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of an excavator-mounted bamboo felling shear proposed in this utility model;

[0017] Figure 2 This is a schematic diagram of the internal structure of the connecting frame of an excavator-mounted bamboo cutting shear proposed in this utility model;

[0018] Figure 3 This is a schematic diagram of the adjustment component of an excavator-mounted bamboo cutting shear proposed in this utility model.

[0019] Legend:

[0020] 1. Connecting frame; 2. Fixed shaft; 3. Upper movable blade; 4. Lower movable blade; 5. Fixed blade; 6. Connecting plate; 7. Mounting block; 8. Hydraulic rod; 9. Fixed ear one; 10. Fixed ear two; 11. Connecting rod; 12. Fastening bolt; 13. Bolt hole; 14. Adjusting box; 15. Rotating shaft; 16. Knob; 17. Worm gear; 18. Worm wheel; 19. Pin shaft; 20. Pin hole. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Reference Figures 1-3 This utility model provides an embodiment of an excavator-mounted bamboo cutting shear, comprising a connecting frame 1. Fixed shafts 2 are fixedly connected to both the left and right sides of the connecting frame 1. An upper movable blade 3 is rotatably connected to the outer wall of the fixed shaft 2. The lower end of the upper movable blade 3 is connected to a lower movable blade 4 via an adjusting assembly. The adjusting assembly includes an adjusting box 14 fixedly connected to the inner side of the lower end of the upper movable blade 3. A worm gear 17 is rotatably connected to the upper side of the adjusting box 14. A knob 16 is fixedly connected to one end of the worm gear 17 facing away from it. The end of the knob 16 is rotatably connected to the outside of the adjusting box 14. A worm wheel 18 is meshed with the outer wall of the worm gear 17. The middle of the worm wheel 18... A rotating shaft 15 is fixedly connected to the upper movable blade 3. The outer wall of the rotating shaft 15 is rotatably connected to the lower part of the upper movable blade 3. The left and right sides of the outer wall of the rotating shaft 15 are fixedly connected to the upper part of the lower movable blade 4. Multiple pin holes 20 are provided on the lower front end of the upper movable blade 3 and the upper front end of the lower movable blade 4. Pins 19 are installed inside the pin holes 20. A connecting rod 11 is passed through the upper end of the upper movable blade 3. A fixing ear 2 10 is fixedly connected to the outer wall of the left connecting rod 11. A fixing ear 1 9 is fixedly connected to the outer wall of the right connecting rod 11. A hydraulic rod 8 is fixedly connected to the right end of the fixing ear 2 10. The drive end of the hydraulic rod 8 is fixedly connected to the left end of the fixing ear 1 9.

[0023] Specifically, the connecting frame 1 serves as the core support component, providing a foundation for the installation of subsequent components. The fixed shaft 2 is the key connection for realizing the shearing action, providing a pivot point for the movement of the upper movable blade 3. When the hydraulic rod 8 is activated, the driving end of the hydraulic rod 8 extends or retracts. Since the two ends of the hydraulic rod 8 are fixedly connected to the second fixed ear 10 and the first fixed ear 9 respectively, and the second fixed ear 10 and the first fixed ear 9 are fixed to the connecting rods 11 on the left and right sides respectively, and the connecting rods 11 pass through the upper end of the upper movable blade 3, the extension and retraction of the hydraulic rod 8 drives the upper movable blade 3 to rotate around the fixed shaft 2, thereby completing the shearing action on the bamboo. By rotating the knob 16, the worm gear 17 is driven to rotate, and the worm wheel 18 meshing with the worm gear 17 rotates accordingly. The worm wheel 18 drives the lower movable blade 4 to rotate around the rotating shaft 15 through the rotating shaft 15, realizing the fine adjustment of the blade spacing to adapt to the shearing needs of bamboo of different thicknesses. At the same time, the upper movable blade 3 and the lower movable blade 4 are connected through the pin hole 20 and the pin shaft 19 to ensure the stability of the relative position after adjustment.

[0024] Reference Figure 1 The front inner side of the connecting frame 1 is connected to the fixing blade 5 by a fixing component. The fixing component includes multiple bolt holes 13 opened at the front end of the connecting frame 1. The inner wall of the bolt holes 13 is threaded with fastening bolts 12. The outer wall of the fastening bolts 12 is threaded to the upper part of the fixing blade 5. The lower left and right sides of the fixing blade 5 are set as arcs. The upper end of the connecting frame 1 is equipped with a connecting plate 6. The upper end of the connecting plate 6 is equipped with an installation block 7.

[0025] Specifically, the front end of the connecting frame 1 has multiple sets of bolt holes 13. By installing the fixed blade 5 on bolt holes 13 at different heights, the length of the lower end of the fixed blade 5 can be adjusted, which can be adjusted according to the thickness of the bamboo, reducing the wear of the fixed blade 5 and thus improving the durability of the device. The bamboo cutting shears can be installed on the excavator through the connecting plate 6 and the mounting block 7 to achieve a stable connection with the excavator.

[0026] Working principle: In use, the excavator is first connected to the corresponding interface of the excavator via the connecting plate 6 and mounting block 7 at the upper end of the connecting frame 1. When bamboo felling is required, the hydraulic system of the excavator is started, and oil is supplied to the hydraulic rod 8. The drive end of the hydraulic rod 8 extends or retracts, causing the fixed ear 2 10 and fixed ear 1 9 to move relative to each other. This causes the connecting rod 11 to drive the upper movable blade 3 to rotate around the fixed shaft 2. The upper movable blade 3 and the fixed blade 5 close, realizing the cutting action of bamboo. When the hydraulic rod 8 moves in the opposite direction, the upper movable blade 3 and the fixed blade 5 open, preparing for the next cutting. When encountering bamboo of different thicknesses, and it is necessary to adjust the blade spacing, the operator turns the knob 16. The knob 16 drives the worm gear 17 to rotate in the adjustment box 14. The worm wheel 18, which meshes with the worm 17, rotates accordingly. The worm wheel 18 drives the lower movable blade 4 to rotate around the shaft 15 via the shaft 15, thereby changing the distance between the lower movable blade 4 and the upper movable blade 3. After adjustment, the pin 19 is inserted into the corresponding pin hole 20 to fix the relative position of the lower movable blade 4 and the upper movable blade 3, ensuring that the blade spacing is stable during shearing. When the fixed blade 5 needs to be replaced due to wear after long-term use, use a tool to unscrew the fastening bolt 12, remove the worn fixed blade 5 from the front end of the connecting frame 1, and then install the new fixed blade 5 on the inner side of the front end of the connecting frame 1, aligning the screw hole on the fixed blade 5 with the bolt hole 13 on the connecting frame 1, and then tighten it with the fastening bolt 12 to complete the replacement of the fixed blade 5.

[0027] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. An excavator-mounted bamboo felling shear, characterized in that, The device includes a connecting frame (1), with fixed shafts (2) fixedly connected to both the left and right sides inside the connecting frame (1). An upper movable blade (3) is rotatably connected to the outer wall of the fixed shaft (2). The lower end of the upper movable blade (3) is connected to a lower movable blade (4) through an adjusting component. A connecting rod (11) passes through the upper end of the upper movable blade (3). A second fixed ear (10) is fixedly connected to the outer wall of the connecting rod (11) on the left side. A first fixed ear (9) is fixedly connected to the outer wall of the connecting rod (11) on the right side. A hydraulic rod (8) is fixedly connected to the right end of the second fixed ear (10). The driving end of the hydraulic rod (8) is fixedly connected to the left end of the first fixed ear (9). A fixed blade (5) is connected to the inner side of the front end of the connecting frame (1) through a fixing component.

2. The excavator-mounted bamboo felling shears according to claim 1, characterized in that: The adjustment assembly includes an adjustment box (14) fixedly connected to the inner side of the lower end of the upper movable blade (3). A worm gear (17) is rotatably connected to the upper side of the inner side of the adjustment box (14). A knob (16) is fixedly connected to the opposite end of the worm gear (17). The end of the knob (16) is rotatably connected to the outside of the adjustment box (14).

3. The excavator-mounted bamboo felling shears according to claim 2, characterized in that: The outer wall of the worm (17) is meshed with a worm wheel (18), and the middle part of the worm wheel (18) is fixedly connected to a rotating shaft (15). The outer wall of the rotating shaft (15) is rotatably connected to the lower part of the upper movable blade (3), and the left and right sides of the outer wall of the rotating shaft (15) are fixedly connected to the upper part of the lower movable blade (4).

4. The excavator-mounted bamboo felling shears according to claim 1, characterized in that: Multiple pin holes (20) are provided on the lower front side of the upper movable blade (3) and the upper front side of the lower movable blade (4), and a pin (19) is installed inside the pin hole (20).

5. The excavator-mounted bamboo felling shears according to claim 1, characterized in that: The fixing component includes multiple sets of bolt holes (13) opened at the front end of the connecting frame (1), the inner wall of the bolt holes (13) is threaded with fastening bolts (12), and the outer wall of the fastening bolts (12) is threaded to the upper part of the fixing blade (5).

6. The excavator-mounted bamboo felling shears according to claim 1, characterized in that: A connecting plate (6) is installed on the upper end of the connecting frame (1), and an mounting block (7) is installed on the upper end of the connecting plate (6).

7. The excavator-mounted bamboo felling shears according to claim 1, characterized in that: The lower left and right sides of the fixed blade (5) are set in an arc shape.

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