Detachable excavator tree pulling tool bit

Abstract

The utility model discloses a detachable excavator tree pulling tool bit, and relates to the technical field of excavator tree pulling. The device comprises an excavator forearm, a dismounting assembly is arranged at the bottom of the excavator forearm, a clamping assembly is arranged on the right side of the excavator forearm, the dismounting assembly comprises a connecting base, a mounting base is connected to the bottom of the connecting base in an inserted mode, and a tree pulling tool bit is fixedly connected to the bottom of the mounting base. A positioning block is fixedly connected to the center of the bottom of the connecting base, an inserting rod is arranged in the positioning block, and a fixing pin is inserted into the inserting rod. The dismounting assembly is arranged, specifically, the nut is dismounted, the threaded insertion rod is taken out, then the fixing pin is pulled upwards to remove the fixation of the insertion rod, finally, the insertion rod is taken out to remove the fixation of the connecting base and the mounting base, finally, the excavator small arm is controlled to move upwards, the mounting base and the connecting base can be separated, and dismounting of the tree pulling tool bit is completed. The working efficiency is improved, and the labor force of workers is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of tree pulling by excavators, and particularly relates to a detachable tree pulling cutter head for an excavator. Background Art

[0002] At present, excavators are becoming more and more popular in mining, real estate, infrastructure, marketing, agriculture and rural areas at home and abroad.

[0003] In tree pulling work, an excavator is usually used for tree pulling. The tree pulling cutter head will be greatly worn after long-term use, so the cutter head needs to be disassembled for maintenance or replacement regularly. However, the existing excavator tree pulling cutter head is usually directly connected and fixed to the bottom of the excavator arm with a rotating shaft, which is not easy to disassemble and requires a lot of labor and time. Therefore, we propose a detachable excavator tree pulling cutter head. Utility Model Content

[0004] The utility model aims to provide a detachable excavator tree pulling cutter head, which is provided with a disassembly component, specifically, the nut is disassembled, the threaded plug rod is taken out, and then the fixing pin is pulled upward to release the fixation of the plug rod, and finally the plug rod is taken out to release the fixation of the connecting seat and the mounting seat, and finally the excavator arm is controlled to move upward to separate the mounting seat from the connecting seat, and the disassembly of the tree pulling cutter head is completed, thereby improving work efficiency and reducing the labor of the staff, and solving the problem that the existing excavator tree pulling cutter head is usually directly connected and fixed to the bottom of the excavator arm using a rotating shaft, which is not easy to disassemble and requires a lot of labor and time.

[0005] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0006] The utility model discloses a detachable excavator tree pulling cutter head, comprising an excavator arm, a disassembly assembly is arranged at the bottom of the excavator arm, a clamping assembly is arranged at the right side of the excavator arm, the disassembly assembly comprises a connecting seat, and a mounting seat is plugged at the bottom of the connecting seat;

[0007] A tree pulling cutter head is fixedly connected to the bottom of the mounting seat, a positioning block is fixedly connected to the center of the bottom of the connecting seat, an insertion rod is arranged inside the positioning block, a fixing pin is inserted inside the insertion rod, a threaded insertion rod is arranged inside the connecting seat, and a nut is threadedly connected to the outer surface of the threaded insertion rod.

[0008] Furthermore, a saw tooth 1 is fixedly connected to the right side of the tree pulling cutter head, shovel teeth are fixedly connected to the front and back sides of the tree pulling cutter head, and a cutting knife and a barb are fixedly connected to the left side of the tree pulling cutter head.

[0009] Furthermore, the clamping assembly includes an arm cutter head, a saw tooth 2 is fixedly connected to the right side of the arm cutter head, a hydraulic cylinder 1 is arranged inside the arm cutter head, a connecting block 1 is fixedly connected to the bottom output end of the hydraulic cylinder 1, and two support blocks are fixedly connected to the right side of the excavator arm.

[0010] Furthermore, the left side of the excavator arm is rotatably connected to hydraulic cylinder 2, the bottom output end of the hydraulic cylinder 2 is fixedly connected to connecting block 2, the front and back sides of the excavator arm are rotatably connected to arc blocks, and the left side of the arc block is rotatably connected to a connecting rod.

[0011] Furthermore, the right side of the top of the connecting seat is rotatably connected to the bottom of the excavator arm, the left side of the top of the connecting seat is rotatably connected to the bottom of the connecting rod, and a positioning groove is provided on the top of the mounting seat, and the positioning groove is adapted to the positioning block.

[0012] Furthermore, the insertion rod is respectively plugged into the positioning block and the mounting seat, the fixing pin is respectively plugged into the connecting seat, and the threaded insertion rod is respectively plugged into the connecting seat and the mounting seat.

[0013] Furthermore, a top of the hydraulic cylinder is rotatably connected to a support block located above, and a bottom of the forearm cutter head is rotatably connected to a support block located below.

[0014] Furthermore, the connecting block 1 is rotatably connected to the forearm cutter head via a rotating shaft, and the connecting block 2 is rotatably connected to the arc block and the connecting rod via a rotating shaft respectively.

[0015] The utility model has the following beneficial effects:

[0016] 1. The utility model sets a disassembly component, specifically, the nut is disassembled, the threaded plug rod is taken out, and then the fixing pin is pulled upward to release the fixation of the plug rod. Finally, the plug rod can be taken out to release the fixation of the connecting seat and the mounting seat. Finally, the excavator arm is controlled to move upward to separate the mounting seat from the connecting seat, and the disassembly of the tree pulling cutter head is completed, thereby improving work efficiency and reducing the labor of the staff.

[0017] 2. The utility model sets a clamping assembly, specifically, starts a hydraulic cylinder to drive the arm cutter head to move downward through a connecting block, and the bottom of the arm cutter head rotates on the supporting block below, and clamps the tree trunk by cooperating with the saw tooth 1, which is convenient for loading. The friction force can be increased by the saw teeth 1 and 2 to avoid slipping.

[0018] Of course, any product implementing this utility model does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solution of the embodiment of the utility model, the drawings required for describing the embodiment 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.

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0021] Figure 2 It is a schematic diagram of the right side structure of the small arm of the utility model excavator;

[0022] Figure 3 This is a schematic diagram of the bottom structure of the small arm of the utility model excavator;

[0023] Figure 4 This is a schematic diagram of the overall structure of the utility model connecting seat;

[0024] Figure 5 The utility model is a schematic diagram of the overall structure of the tree pulling cutter head.

[0025] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0026] 1. Excavator arm; 11. Disassembly assembly; 111. Connecting seat; 112. Mounting seat; 21. Positioning slot; 113. Tree pulling cutter head; 31. Sawtooth 1; 32. Shovel tooth; 33. Cutting knife; 34. Barb; 114. Positioning block; 115. Insert rod; 116. Fixing pin; 117. Threaded insert rod; 118. Nut; 12. Clamping assembly; 121. Arm cutter head; 122. Sawtooth 2; 123. Hydraulic cylinder 1; 124. Connecting block 1; 125. Support block; 13. Hydraulic cylinder 2; 131. Connecting block 2; 14. Arc block; 141. Connecting rod. DETAILED DESCRIPTION

[0027] 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 them. 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.

[0028] See also Figure 1-5As shown, the utility model is a detachable excavator tree pulling cutter head, including an excavator arm 1, a disassembly assembly 11 is arranged at the bottom of the excavator arm 1, a clamping assembly 12 is arranged on the right side of the excavator arm 1, the disassembly assembly 11 includes a connecting seat 111, a mounting seat 112 is plugged at the bottom of the connecting seat 111, a tree pulling cutter head 113 is fixedly connected to the bottom of the mounting seat 112, a positioning block 114 is fixedly connected at the center of the bottom of the connecting seat 111, a plug rod 115 is arranged inside the positioning block 114, a fixing pin 116 is plugged inside the plug rod 115, a threaded plug rod 117 is arranged inside the connecting seat 111, a nut 118 is threadedly connected to the outer surface of the threaded plug rod 117, the plug rod 115 is respectively plugged with the positioning block 114 and the mounting seat 112, and the fixing pin 116 is inserted inside the plug rod 115. 16 is plugged into the connecting seat 111, and the threaded plug rod 117 is plugged into the connecting seat 111 and the mounting seat 112 respectively. By setting the disassembly component 11, the nut 118 is specifically disassembled, the threaded plug rod 117 is taken out, and then the fixing pin 116 is pulled upward to release the fixation of the plug rod 115. Finally, the plug rod 115 is taken out to release the fixation of the connecting seat 111 and the mounting seat 112. Finally, the excavator arm 1 is controlled to move upward to separate the mounting seat 112 from the connecting seat 111, and the disassembly of the tree pulling cutter head 113 is completed, which improves the work efficiency and reduces the labor of the staff. The right side of the tree pulling cutter head 113 is fixedly connected to the saw tooth 31, and the front and back sides of the tree pulling cutter head 113 are fixedly connected to the shovel teeth 32. The left side of the tree pulling cutter head 113 is respectively fixedly connected to There are cutting knives 33 and barbs 34. When the excavator arm 1 drives the tree pulling cutter head 113 to move, the sawtooth 1 31 contacts the trunk to prevent the trunk from falling off and provide better grip for pulling out the trunk. The front two shovel teeth 32 hook or clamp the trunk. When the excavator retracts the bucket, the barb 34 at the back will hook the trunk and exert force to prevent it from falling off. The cutting knives 33 are in the style of kitchen knives. After pulling out the trunk, the redundant roots at the root can be easily cut off. The clamping assembly 12 includes an arm cutter head 121. The right side of the arm cutter head 121 is fixedly connected with a sawtooth 2 122. A hydraulic cylinder 123 is arranged inside the arm cutter head 121. The bottom output end of the hydraulic cylinder 123 is fixedly connected with a connecting block 124. The right side of the excavator arm 1 is fixedly connected with two supporting blocks 125. The top of the hydraulic cylinder 123 is rotatably connected to the support block 125 located above, the bottom of the arm cutter head 121 is rotatably connected to the support block 125 located below, and the connecting block 124 is rotatably connected to the arm cutter head 121 through a rotating shaft. By setting the clamping assembly 12, specifically starting the hydraulic cylinder 123 to drive the arm cutter head 121 to move downward through the connecting block 124, the bottom of the arm cutter head 121 rotates on the supporting block 125 below, and the trunk is clamped by cooperating with the sawtooth 1 31 to facilitate loading. The friction force can be increased by the sawtooth 1 31 and the sawtooth 2 122 to avoid slipping. The left side of the excavator arm 1 is rotatably connected to the hydraulic cylinder 2 13, and the bottom output end of the hydraulic cylinder 2 13 is fixedly connected to the connecting block 2 131.The front and back of the excavator arm 1 are both rotatably connected with an arc block 14, and the left side of the arc block 14 is rotatably connected with a connecting rod 141. The second connecting block 131 is rotatably connected with the arc block 14 and the connecting rod 141 through a rotating shaft. When the second hydraulic cylinder 13 is started, the arc block 14 and the connecting rod 141 are pushed downward through the second connecting block 131, and the connecting rod 141 pushes the left side of the connecting seat 111 to move, and the right side of the connecting seat 111 rotates at the bottom of the excavator arm 1, so that the connecting seat 111 drives the tree pulling cutter head 113 to move through the mounting seat 112. The right side of the top of the connecting seat 111 is rotatably connected to the bottom of the excavator arm 1, and the left side of the top of the connecting seat 111 is rotatably connected to the bottom of the connecting rod 141. A positioning groove 21 is provided at the top of the mounting seat 112, and the positioning groove 21 is adapted to the positioning block 114. The positioning groove 21 is used to play a positioning role, so that the mounting seat 112 can be accurately positioned with the connecting seat 111.

[0029] A specific application of this embodiment is:

[0030] When in use, the mounting seat 112 is plugged into the connecting seat 111, and the positioning block 114 enters the interior of the mounting seat 112 to perform positioning, and then the insertion rod 115 is inserted into the mounting seat 112 and the positioning block 114, the connecting seat 111 and the mounting seat 112 are connected, and then the fixing pin 116 is inserted into the insertion rod 115 through the connecting seat 111 to fix it, and then the threaded insertion rod 117 is plugged into the connecting seat 111 and the mounting seat 112, and then the nut 118 is threadedly connected to the threaded insertion rod 117, so that the connecting seat 11 1 is fixed with the mounting seat 112, and the installation of the tree pulling cutter head 113 can be completed. The hydraulic cylinder 13 is started to drive the arc block 14 and the connecting rod 141 to push downward through the connecting block 131, and the connecting rod 141 pushes the left side of the connecting seat 111 to move, and the right side of the connecting seat 111 rotates at the bottom of the excavator arm 1, so that the connecting seat 111 drives the tree pulling cutter head 113 to move through the mounting seat 112, and the saw tooth 1 31 contacts the tree trunk to prevent the trunk from falling off, providing better grip for pulling out the tree trunk, and the front two shovel teeth 32 are hung The tree trunk is stuck or stuck. When the excavator retracts the bucket, the barb 34 at the back will hook the tree trunk, exert force to prevent it from falling off. The cutting knife 33 is in the style of a kitchen knife. After the tree trunk is pulled out, the redundant roots at the root can be easily cut off. When the tree trunk needs to be loaded, the hydraulic cylinder 123 is started to drive the arm cutter head 121 to move downward through the connecting block 124, and the bottom of the arm cutter head 121 rotates on the supporting block 125 below, and the trunk is clamped by cooperating with the sawtooth 1 31, which is convenient for loading. 122 can increase the friction force to avoid slipping. When the tree-pulling cutter head 113 needs to be disassembled, the nut 118 is disassembled, the threaded plug rod 117 is taken out, and the fixing pin 116 is pulled upward to release the fixation of the plug rod 115. Finally, the plug rod 115 is taken out to release the fixation of the connecting seat 111 and the mounting seat 112. Finally, the excavator arm 1 is controlled to move upward to separate the mounting seat 112 from the connecting seat 111, and the disassembly of the tree-pulling cutter head 113 is completed, thereby improving work efficiency and reducing the labor of the staff.

[0031] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0032] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A detachable excavator tree pulling cutter head, comprising an excavator arm (1), wherein a disassembly assembly (11) is provided at the bottom of the excavator arm (1), characterized in that: A clamping assembly (12) is provided on the right side of the excavator arm (1); the disassembly assembly (11) comprises a connecting seat (111); a mounting seat (112) is plugged into the bottom of the connecting seat (111); A tree cutting head (113) is fixedly connected to the bottom of the mounting seat (112); a positioning block (114) is fixedly connected to the center of the bottom of the connecting seat (111); a plug rod (115) is arranged inside the positioning block (114); a fixing pin (116) is inserted inside the plug rod (115); a threaded plug rod (117) is arranged inside the connecting seat (111); a nut (118) is threadedly connected to the outer surface of the threaded plug rod (117).

2. A detachable excavator tree pulling cutter head according to claim 1, characterized in that: The right side of the tree-pulling cutter head (113) is fixedly connected to a saw tooth 1 (31), the front and back sides of the tree-pulling cutter head (113) are fixedly connected to shovel teeth (32), and the left side of the tree-pulling cutter head (113) is respectively fixedly connected to a cutting knife (33) and a barb (34).

3. A detachable excavator tree pulling cutter head according to claim 2, characterized in that: The clamping assembly (12) comprises an arm cutter head (121), a sawtooth 2 (122) is fixedly connected to the right side of the arm cutter head (121), a hydraulic cylinder 1 (123) is arranged inside the arm cutter head (121), a connecting block 1 (124) is fixedly connected to the bottom output end of the hydraulic cylinder 1 (123), and two supporting blocks (125) are fixedly connected to the right side of the excavator arm (1).

4. A detachable excavator tree pulling cutter head according to claim 3, characterized in that: The left side of the excavator arm (1) is rotatably connected to a second hydraulic cylinder (13); the bottom output end of the second hydraulic cylinder (13) is fixedly connected to a second connecting block (131); the front and back sides of the excavator arm (1) are rotatably connected to arc blocks (14); the left side of the arc block (14) is rotatably connected to a connecting rod (141).

5. The detachable tree-pulling cutter head for an excavator according to claim 4, characterized in that: The right side of the top of the connecting seat (111) is rotatably connected to the bottom of the excavator arm (1), and the left side of the top of the connecting seat (111) is rotatably connected to the bottom of the connecting rod (141). A positioning groove (21) is provided on the top of the mounting seat (112), and the positioning groove (21) is adapted to the positioning block (114).

6. The detachable tree-pulling cutter head for an excavator according to claim 4, characterized in that: The insert rod (115) is respectively plugged into the positioning block (114) and the mounting seat (112), the fixing pin (116) is plugged into the connecting seat (111), and the threaded insert rod (117) is respectively plugged into the connecting seat (111) and the mounting seat (112).

7. The detachable tree-pulling cutter head for an excavator according to claim 5, characterized in that: The top of the hydraulic cylinder 1 (123) is rotatably connected to a support block (125) located above, and the bottom of the forearm cutter head (121) is rotatably connected to a support block (125) located below.

8. The detachable tree-pulling cutter head for an excavator according to claim 6, characterized in that: The connecting block 1 (124) is rotatably connected to the small arm cutter head (121) via a rotating shaft, and the connecting block 2 (131) is rotatably connected to the arc block (14) and the connecting rod (141) via a rotating shaft.

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