Tooth holder for heightening roller of coal mining machine

Abstract

The utility model discloses a tooth holder for heightening a roller of a coal mining machine, which comprises a tooth sleeve, a tooth holder is arranged at one end of the tooth sleeve, a tooth column is arranged in the tooth sleeve, a tooth boot is arranged at the upper end of the tooth column, and a cutting pick is arranged at the upper end of the tooth boot. The height adjusting structure is located in the tooth holder; the rotating structure is located in the gear sleeve, and a limiting structure is arranged at one end of the gear sleeve; the two ends of the gear sleeve are rotationally connected with the rotating shafts, and the two rotating shafts are fixedly connected with the gear column; and the number of the mounting plates is two, and the mounting plates are connected with the height adjusting structure. Compared with the prior art, the cutting pick has the advantages that the pick holder can be conveniently heightened, and the angle of the cutting pick can be adjusted.

Description

Technical Field

[0001] The utility model relates to the technical field of a gear sleeve and a gear seat, in particular to a gear seat for adjusting the height of a coal mining machine drum. Background Art

[0002] The drum coal mining machine is a coal mining machine with a spiral drum as its working mechanism. When the drum rotates and cuts into the coal mine, the multiple picks installed on the drum will crush the coal and separate it from the main body of the coal mine. The crushed coal is then loaded into the scraper conveyor through the spiral blades on the drum to complete the mining of the coal mine. The drum is one of the key components of the coal mining machine. Its main function is to complete the tasks of crushing and dropping coal and crushing and loading coal. Its power consumption accounts for most of the installed power of the coal mining machine.

[0003] The patent number CN218407427U in the prior art discloses a gear seat for adjusting the height of a coal mining machine drum, which relates to the field of installation. The gear seat for adjusting the height of the coal mining machine drum includes a gear seat, a tooth shoe and a cutting pick, and a heightening seat is arranged at the bottom of the gear seat, and two fixed vertical plates are fixedly connected to the top of the heightening seat, and a plug plate is arranged between the two fixed vertical plates and the gear seat, and a side groove is opened on one side of the gear seat. The gear seat for adjusting the height of the coal mining machine drum has a heightening seat added to the bottom of the gear seat, so that the gear seat of the coal mining machine drum composed of the gear seat and the heightening seat is heightened, and the heightening seat is fixed and fixed to the gear seat through the fixed vertical plate and the plug plate, and the force bearing area between the heightening seat and the gear seat is increased by the fixed vertical plate and the plug plate, and the force bearing area between the heightening seat and the gear seat is further increased by bolts, so as to ensure the stable and efficient installation of the heightening seat and the gear seat, and the heightening seat is used to increase the height of the gear seat installed on the coal mining machine drum, so as to ensure that the heightening seat and the gear seat can be interchanged with similar parts as needed.

[0004] However, the patents in the prior art have the following disadvantages:

[0005] (1) In the prior art, when adjusting the height of the gear seat, it is necessary to install and disassemble components such as the vertical plate and the plug plate, which is a cumbersome process;

[0006] (2) In the prior art, the tooth column and the tooth sleeve are relatively fixed, and it is inconvenient to adjust the angle of the tooth column and the pick after the tooth seat is installed. Utility Model Content

[0007] The technical problem to be solved by the utility model is to overcome the above technical defects and provide a tooth seat for adjusting the height of the drum of a coal mining machine, which can not only facilitate the height adjustment of the tooth seat, but also adjust the angle of the cutting tooth.

[0008] In order to solve the above problems, the technical solution of the utility model is: a gear seat for adjusting the height of a coal mining machine drum, comprising:

[0009] A gear sleeve, wherein one end of the gear sleeve is provided with a gear seat, a gear column is provided inside the gear sleeve, a gear shoe is provided at the upper end of the gear column, and a cutting pick is provided at the upper end of the gear shoe;

[0010] A height adjustment structure, wherein the height adjustment structure is located inside the gear seat;

[0011] A rotating structure, wherein the rotating structure is located inside the gear sleeve, and a limiting structure is provided at one end of the gear sleeve;

[0012] A rotating shaft, both ends of the gear sleeve are rotatably connected to the rotating shaft, and the two rotating shafts are fixedly connected to the gear column;

[0013] Mounting plates, the mounting plates having two groups, the mounting plates being connected to the height adjustment structure;

[0014] The height adjustment structure includes a screw rod, which is rotatably connected to the inside of the gear seat, a turntable is provided at one end of the screw rod, moving blocks are sleeved at both ends of the screw rod surface, a connecting groove is provided at the lower end of the moving block, a support rod is provided inside the connecting groove, a connecting groove is provided at the lower end of the support rod, a sliding plate is provided at the lower end of the connecting groove, and the other end of the sliding plate is fixedly connected to the mounting plate.

[0015] Furthermore, the screw is a double-headed screw, the threads at both ends of the screw have opposite directions, the moving block is threadedly connected to the screw, one end of the support rod is hingedly connected to groove one, and the other end of the support rod is hingedly connected to groove two, grooves are provided inside the two side walls of the gear seat, guide rods are provided inside the grooves, and the sliding plate is sleeved on the guide rods.

[0016] Furthermore, the rotating structure includes a rotating rod, which is rotatably connected to the inside of the gear sleeve, and threads are provided at both ends of the rotating rod, and the threads at both ends are opposite. Sliders are provided at both ends of the rotating rod, and the sliders are threadedly connected to the rotating rod. A connecting rod is provided at one end of the slider, and a rotating plate is provided at the other end of the connecting rod, and the rotating plate is fixedly connected to the gear column.

[0017] Furthermore, one end of the connecting rod is hinged to the slider, and the other end of the connecting rod is hinged to the edge of the rotating plate plane.

[0018] Furthermore, the limiting structure includes a second turntable, the second turntable is fixedly connected to a rotating rod, a positioning rod is provided at the edge of the plane of the second turntable, a positioning hole is provided at one end of the gear sleeve, and the positioning rod is plugged into the positioning hole.

[0019] The advantages of the utility model compared with the existing technology are:

[0020] (1) The utility model rotates the turntable 1 to drive the screw to rotate, thereby driving the moving block to move, so that the two ends of the support rod rotate inside the connecting groove 1 and the connecting groove 2, thereby driving the sliding plate to move downward, and the lower end of the sliding plate is connected to the mounting plate, so that the mounting plate moves toward the outside of the gear seat, and the gear seat can be adjusted in height;

[0021] (2) The utility model fixes the turntable 1 through a limiting structure, thereby fixing the position of the mounting plate, and drives the turntable 2 to rotate the turn rod, and the rotation of the turn rod drives the two sliders to move closer to or away from each other. The movement of the slider drives one end of the connecting rod to rotate at the slider. At the same time, the slider drags the connecting rod to move, which can drive the turntable to rotate. The turntable is fixedly connected to the gear column, which can drive the gear column to rotate and adjust the angle of the gear column. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 The utility model is a three-dimensional gear seat for adjusting the height of a coal mining machine drum. Figure 1 .

[0023] Figure 2 The utility model is a three-dimensional gear seat for adjusting the height of a coal mining machine drum. Figure 2 .

[0024] Figure 3 The utility model is a schematic diagram of the height adjustment structure of a gear seat for adjusting the height of a coal mining machine drum.

[0025] Figure 4 The utility model is a schematic diagram of the rotating structure of a gear seat for adjusting the height of a coal mining machine drum.

[0026] As shown in the figure: 1. Gear sleeve; 2. Gear seat; 3. Gear column; 4. Gear boot; 5. Cutting pick; 6. Height adjustment structure; 7. Rotation structure; 8. Limiting structure; 9. Rotating shaft; 10. Mounting plate; 11. Turntable 1; 12. Screw; 13. Moving block; 14. Connecting groove 1; 15. Support rod; 16. Connecting groove 2; 17. Sliding plate; 18. Groove; 19. Guide rod; 20. Turntable; 21. Thread; 22. Slider; 23. Connecting rod; 24. Turntable 2; 25. Positioning rod; 26. Positioning hole; 27. Turntable. DETAILED DESCRIPTION

[0027] The specific implementation of the utility model is further described below in conjunction with the accompanying drawings, wherein the same parts are represented by the same reference numerals.

[0028] It should be noted that the words "front", "rear", "left", "right", "up" and "down" used in the following description refer to directions in the drawings, and the words "inside" and "outside" refer to directions toward or away from the geometric center of a specific component, respectively.

[0029] In order to make the contents of the present invention more clearly understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention.

[0030] Embodiment 1

[0031] like Figures 1 to 4 As shown, a gear seat for adjusting the height of the drum of a coal mining machine comprises a gear sleeve 1, a gear seat 2 is installed at one end of the gear sleeve 1, a gear column 3 is installed inside the gear sleeve 1, a tooth shoe 4 is installed on the upper end of the tooth column 3, a cutting tooth 5 is installed on the upper end of the tooth shoe 4, rotating shafts 9 are rotatably installed at both ends of the gear sleeve 1, two rotating shafts 9 are fixedly connected to the gear column 3, and the direction of the gear column 3 can be adjusted as the rotating shaft 9 rotates.

[0032] By fixing the tooth holder 2 to the coal mining machine drum, the cutting pick 5 installed on the tooth holder 2 through the tooth shoe 4 is fixed, and the installation and fixing of the cutting pick 5 on the coal mining machine drum can be completed. (The above is the public installation method of the cutting pick 5 of the existing coal mining machine drum, and no specific limitation description is given here.

[0033] The height adjustment structure 6 is located inside the gear seat 2. The adjustment structure 6 includes a screw 12. The screw 12 is rotatably installed inside the gear seat 2. A turntable 11 is installed at one end of the screw 12. The turntable 11 is used to conveniently drive the screw 12 to rotate. Moving blocks 13 are mounted on both ends of the surface of the screw 12. The moving blocks 13 are threadedly connected to the screw 12. The screw 12 is a double-headed screw. The threads at both ends of the screw 12 are in opposite directions. When the screw 12 rotates, it drives the two moving blocks 13 to move closer to or away from each other.

[0034] A connecting groove 14 is installed at the lower end of the moving block 13, a support rod 15 is installed inside the connecting groove 14, a connecting groove 2 16 is installed at the lower end of the support rod 15, two ends of the support rod 15 are hinged in the connecting groove 14 and the connecting groove 2 16 respectively, grooves 18 are provided inside the two side walls of the gear seat 2, a guide rod 19 is installed inside the groove 18, a sliding plate 17 is sleeved on the guide rod 19, the sliding plate 17 can slide up and down on the surface of the guide rod 19, and the sliding plate 17 is connected to the connecting groove 2 16.

[0035] Rotating the turntable 11 drives the screw 12 to rotate, thereby driving the moving block 13 to move, so that the two ends of the support rod 15 rotate inside the connecting groove 14 and the connecting groove 2 16, thereby driving the sliding plate 17 to move downward, and the lower end of the sliding plate 17 is connected to the mounting plate 10, so that the mounting plate 10 moves toward the outside of the gear seat, and the gear seat 2 can be adjusted higher.

[0036] The rotating structure 7 is located inside the gear sleeve 1. The rotating structure 7 includes a rotating rod 20, which is rotatably installed inside the gear sleeve 1. Threads 21 are installed at both ends of the rotating rod 20, and the threads 21 at both ends are opposite. Sliders 22 are mounted on both ends of the rotating rod 20, and the sliders 22 are threadedly connected to the rotating rod 20. The rotation of the rotating rod 20 drives the two slides 22 to move closer to or away from each other. A connecting rod 23 is installed at one end of the slide 22, and a rotating plate 27 is installed at the other end of the connecting rod 23. One end of the connecting rod 23 is hinged to the slide 22, and the other end of the connecting rod 23 is hinged to the edge of the plane of the rotating plate 27. The movement of the slider 22 drives one end of the connecting rod 23 to rotate at the slider 22. At the same time, the slider 22 drags the connecting rod 23 to move, which can drive the rotating plate 27 to rotate. The rotating plate 27 is fixedly connected to the gear column 3, which can drive the gear column 3 to rotate and adjust the angle of the gear column 3.

[0037] A limiting structure 8 is installed at one end of the gear sleeve 1, and the limiting structure 8 includes a turntable 24. The turntable 24 is fixedly connected to the rotating rod 20, and the turntable 24 can drive the rotating rod 20 to rotate. A positioning rod 25 is installed at the edge of the plane of the turntable 24. A positioning hole 26 is provided at one end of the gear sleeve 1. The positioning rod 25 is inserted into the positioning hole 26 to fix the turntable 24, thereby fixing the gear column 3. At the same time, the limiting structure 8 can also be installed at the turntable 11 to fix the moving distance of the mounting plate 10 and ensure the height of the gear seat 2 is fixed.

[0038] Embodiment 2

[0039] Described on the basis of Example 1, rotating the turntable 11 drives the screw 12 to rotate, thereby driving the moving block 13 to move, so that the two ends of the support rod 15 rotate inside the connecting groove 14 and the connecting groove 2 16, thereby driving the sliding plate 17 to move downward, and the lower end of the sliding plate 17 is connected to the mounting plate 10, so that the mounting plate 10 moves toward the outside of the gear seat, and the gear seat 2 can be adjusted. The turntable 11 is fixed by the limiting structure 8, thereby fixing the position of the mounting plate 10, and the turntable 24 drives the rotating rod 20 to rotate. The rotation of the rotating rod 20 drives the two sliders 22 to move closer to or away from each other. The movement of the slider 22 drives one end of the connecting rod 23 to rotate at the slider 22. At the same time, the slider 22 drags the connecting rod 23 to move, which can drive the rotating plate 27 to rotate. The rotating plate 27 is fixedly connected to the gear column 3, which can drive the gear column 3 to rotate and adjust the angle of the gear column 3.

[0040] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.

Claims

1. A gear seat for adjusting the height of a coal mining machine drum, characterized in that: include: A gear sleeve (1), wherein one end of the gear sleeve (1) is provided with a gear seat (2), a gear column (3) is provided inside the gear sleeve (1), a gear shoe (4) is provided at the upper end of the gear column (3), and a cutting pick (5) is provided at the upper end of the gear shoe (4); A height adjustment structure (6), wherein the height adjustment structure (6) is located inside the gear seat (2); A rotating structure (7), wherein the rotating structure (7) is located inside the gear sleeve (1), and a limiting structure (8) is provided at one end of the gear sleeve (1); A rotating shaft (9), the two ends of the gear sleeve (1) are rotatably connected to the rotating shaft (9), and the two rotating shafts (9) are fixedly connected to the gear column (3); Mounting plates (10), the mounting plates (10) having two groups, the mounting plates (10) being connected to the height adjustment structure (6); The height adjustment structure (6) comprises a screw rod (12), wherein the screw rod (12) is rotatably connected to the inside of the gear seat (2), a turntable (11) is provided at one end of the screw rod (12), moving blocks (13) are sleeved on both ends of the surface of the screw rod (12), a connecting groove (14) is provided at the lower end of the moving block (13), a supporting rod (15) is provided inside the connecting groove (14), a connecting groove (2) (16) is provided at the lower end of the supporting rod (15), a sliding plate (17) is provided at the lower end of the connecting groove (2) (16), and the other end of the sliding plate (17) is fixedly connected to the mounting plate (10).

2. A gear seat for adjusting the height of a coal mining machine drum according to claim 1, characterized in that: The screw rod (12) is a double-headed screw rod, the threads of the two ends of the screw rod (12) are in opposite directions, the moving block (13) is threadedly connected to the screw rod (12), one end of the support rod (15) is hingedly connected to the first connecting groove (14), and the other end of the support rod (15) is hingedly connected to the second connecting groove (16), the two side walls of the gear seat (2) are provided with grooves (18), the grooves (18) are provided with guide rods (19), and the sliding plate (17) is sleeved with the guide rods (19).

3. The gear seat for adjusting the height of the drum of a coal mining machine according to claim 1, characterized in that: The rotating structure (7) comprises a rotating rod (20), the rotating rod (20) is rotatably connected to the inside of the gear sleeve (1), threads (21) are provided at both ends of the rotating rod (20), and the threads (21) at both ends are opposite, sliders (22) are sleeved at both ends of the rotating rod (20), the slider (22) is threadedly connected to the rotating rod (20), one end of the slider (22) is provided with a connecting rod (23), the other end of the connecting rod (23) is provided with a rotating plate (27), and the rotating plate (27) is fixedly connected to the gear column (3).

4. A gear seat for adjusting the height of a coal mining machine drum according to claim 3, characterized in that: One end of the connecting rod (23) is hinged to the slider (22), and the other end of the connecting rod (23) is hinged to the edge of the plane of the rotating plate (27).

5. The gear seat for adjusting the height of the drum of a coal mining machine according to claim 3, characterized in that: The limiting structure (8) comprises a second rotating disk (24), the second rotating disk (24) being fixedly connected to a rotating rod (20), a positioning rod (25) being provided at the edge of a plane of the second rotating disk (24), a positioning hole (26) being provided at one end of the gear sleeve (1), and the positioning rod (25) being plugged into the positioning hole (26).

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