A double-blade mining machine capable of quickly replacing blades

Abstract

The utility model relates to the technical field of mining machines, specifically to a double-blade mining machine with quickly replaceable blades, comprising a double-blade mining machine body, output shafts are arranged on both sides of the double-blade mining machine body, a cutter is arranged on the output shaft sleeve, a pair of rotating shafts are fixedly installed at the bottom of the double-blade mining machine body, the pair of rotating shafts are symmetrically arranged at the two ends of the bottom of the double-blade mining machine body, wheels are fixedly installed at both ends of the pair of rotating shafts, a fixing device is arranged on the surface of the output shaft, the cutter is fixedly connected to the output shaft through the fixing device, and a reinforcement device is arranged on one side of the cutter. The advantage is that the cutter can be conveniently and quickly disassembled and installed, and the cutter can be effectively fixed, thereby improving the use experience.

Description

Technical Field

[0001] The utility model relates to the technical field of mining machines, in particular to a double-blade mining machine with rapidly replaceable blades. Background Art

[0002] A double-blade mining machine is a type of equipment specially used for mining and quarrying. Its design feature is a double-blade structure. This type of equipment is usually used to mine hard rocks or ores. Its double-blade design enables it to cut and crush the target material more efficiently. The use of double blades can effectively improve work efficiency. Blades, as the core components of mining machinery, directly affect the work efficiency and performance of the equipment. As time goes by and the frequency of use increases, the blades will gradually wear and fail. Therefore, it is necessary to replace excessively worn blades in a timely manner. However, the existing technology usually replaces blades slowly, and the replacement process wastes time and energy.

[0003] For this purpose, the utility model patent with publication number CN206845176U discloses a double-blade mining machine capable of quickly replacing blades, including a device body, the device body including two connecting rods, a crossbeam arranged between the connecting rods, an adjusting device arranged in the inner cavity of the device body, a connecting shaft installed in the adjusting device through a rotating shaft, a fixed shaft installed in the inner cavity of the connecting shaft through a fixed plate, a cutting blade fixedly installed in the fixed shaft, a fixing buckle arranged at one end of the inner cavity of the connecting shaft, and an adjusting clamp arranged at one side of the outer end of the connecting shaft. The utility model has a good quick replacement effect when replacing blades, saving a lot of time and energy in the replacement process.

[0004] However, the patent requires that the fixed shaft be removed together with the blade, and the blade needs to be fixedly connected to the fixed shaft, which is relatively troublesome. Utility Model Content

[0005] The purpose of the utility model is to provide a double-blade mining machine with quickly replaceable blades in view of the deficiencies of the above-mentioned prior art. The utility model can simply remove the blades, which can effectively improve the removal efficiency and can also effectively fix the blades.

[0006] The technical solution adopted by the utility model is a double-blade mining machine with quickly replaceable blades, comprising a double-blade mining machine body, output shafts are arranged on both sides of the double-blade mining machine body, a cutter is arranged on the output shaft sleeve, a pair of rotating shafts are fixedly installed at the bottom of the double-blade mining machine body, the pair of rotating shafts are symmetrically arranged at the two ends of the bottom of the double-blade mining machine body, wheels are fixedly installed at both ends of the pair of rotating shafts, a fixing device is arranged on the surface of the output shaft, the cutter is fixedly connected to the output shaft through the fixing device, and a reinforcement device is arranged on one side of the cutter.

[0007] Preferably, the fixing device includes a fixing disk and a connecting hole. The connecting hole is opened on the surface of the cutter. The fixing disk is fixedly connected to the output shaft. A plurality of connecting columns are fixedly installed on the other side of the fixing disk. The connecting columns are arranged through the connecting holes. A thread is provided on one side of the connecting column. The thread is opened at one end of the output shaft away from the fixed disk. The threaded surface is threadedly connected to a limit disk, and the limit disk is arranged in contact with the cutter.

[0008] Preferably, the reinforcement device includes a receiving groove, which is opened on one radial side of the output shaft. A spring is provided in the receiving groove. One end of the spring is fixedly connected to a telescopic column, and the other end is fixedly installed at the bottom of the receiving groove. A dome is fixedly installed on the top of the telescopic column.

[0009] Preferably, the double-blade mining machine body is provided with a fender.

[0010] Preferably, both ends of the double-blade mining machine body are provided with connecting plates integrally formed with the double-blade mining machine body, and a through hole is opened in the middle of the connecting plate.

[0011] Preferably, a hanging block is fixedly installed on the top of the double-blade mining machine body, and a hanging hole is opened in the middle of the hanging block.

[0012] Preferably, the sharp parts of the double-blade mining machine body are all provided with rounded corners.

[0013] The utility model is simple and convenient to use, and only needs to press the dome first so that the dome pushes the telescopic column into the storage groove, and then rotate the limit plate to make the cutter lose the limit, so as to facilitate the removal of the cutter. To install the cutter, only need to align the connecting hole on the cutter with the connecting column and then insert it, and then fix the limit plate on one side of the cutter through a thread to complete the fixation. When installing the cutter or the limit plate, the cutter or the limit plate will squeeze the telescopic column along the curvature of the dome when it contacts the dome, so as to avoid the telescopic column affecting the installation. After the installation is completed, the telescopic column can effectively clamp the limit plate, so as to further improve the fixing effect.

[0014] Compared with the prior art, the utility model has the beneficial effects of making it simple and convenient to replace or install the cutter, and can effectively fix the cutter, thereby improving the stability of the equipment during operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the structure of a double-blade mining machine with quickly replaceable blades proposed by the utility model;

[0016] Figure 2 This is a schematic diagram of the internal structure of a double-blade mining machine with quickly replaceable blades proposed by the utility model;

[0017] Figure 3 This is an enlarged view of the structure of the double-blade mining machine with quickly replaceable blades proposed by the utility model;

[0018] Figure 4 This is an enlarged view of the structure of location B of a double-blade mining machine with quickly replaceable blades proposed by the utility model.

[0019] Description of the symbols in the figure

[0020] 1. Double-blade mining machine body; 12. Output shaft; 13. Cutter; 14. Rotating shaft; 15. Wheel; 2. Fixing device; 21. Fixing plate; 22. Connecting column; 23. Connecting hole; 24. Thread; 25. Limiting plate; 3. Reinforcement device; 31. Storage slot; 32. Spring; 33. Telescopic column; 34. Dome; 4. Fender; 5. Connecting plate; 51. Perforation; 6. Hanging block; 61. Hanging hole: 7. Rounded corners. DETAILED DESCRIPTION

[0021] Figure 1 The utility model schematically shows a double-blade mining machine with a blade that can be quickly replaced, including a double-blade mining machine body 1. The double-blade mining machine body 1 can adopt a model such as 2QYKT-4200. This model adopts a four-axis direct-connected spindle box, which is free of V-belt transmission and can effectively drive the output shaft 12 for efficient cutting. Output shafts 12 are provided on both sides of the double-blade mining machine body 1. The output shaft 12 is sleeved with a cutter 13. A pair of rotating shafts 14 are fixedly installed at the bottom of the double-blade mining machine body 1. The pair of rotating shafts 14 are symmetrically arranged at both ends of the bottom of the double-blade mining machine body 1. Wheels 15 are fixedly installed at both ends of the pair of rotating shafts 14. A fixing device 2 is provided on the surface of the output shaft 12. The cutter 13 is fixedly connected to the output shaft 12 through the fixing device 2. The cutter 1 3 A reinforcement device 3 is provided on one side, and the double-blade mining machine body 1 is provided with a mud guard 4, which can effectively prevent the cutter 13 from throwing the sludge generated during cutting to a distant place, thereby improving the user experience. Both ends of the double-blade mining machine body 1 are provided with connecting plates 5 integrally formed with the double-blade mining machine body 1, and a through hole 51 is provided in the middle of the connecting plate 5, which can facilitate the forklift to insert the fork head into the through hole 51, lift the equipment, and then facilitate the transportation of the equipment. A hanging block 6 is fixedly installed on the top of the double-blade mining machine body 1, and a hanging hole 61 is provided in the middle of the hanging block 6, which is convenient for equipment such as a crane to connect the lifting rope to the hanging hole 61, thereby facilitating the lifting of the equipment. The sharp parts of the double-blade mining machine body 1 are provided with rounded corners 7, which can effectively avoid scratching the user.

[0022] like Figure 2 , Figure 3 and Figure 4The fixing device 2 shown includes a fixing disk 21 and a connecting hole 23. The connecting hole 23 is opened on the surface of the cutter 13. The fixing disk 21 is fixedly connected to the output shaft 12. A plurality of connecting columns 22 are fixedly installed on the other side of the fixing disk 21. The connecting columns 22 are arranged through the connecting holes 23. A thread 24 is provided on one side of the connecting column 22. The thread 24 is opened at the end of the output shaft 12 away from the fixing disk 21. The surface of the thread 24 is threadedly connected to a limiting disk 25. The limiting disk 25 is arranged in contact with the cutter 13. The reinforcement device 3 includes a receiving groove 31. The receiving groove 31 is opened on the radial side of the output shaft 12. A spring 32 is provided in the receiving groove 31. One end of the spring 32 is fixedly connected to a telescopic column 33, and the other end is fixedly installed at the bottom of the receiving groove 31. A dome 34 is fixedly installed on the top of the telescopic column 33. The structure of the dome 34 can effectively limit the range of motion of the limiting disk 25.

[0023] In a specific implementation, it is only necessary to place the wheel 15 on the pre-installed track, and then connect the double-blade mining machine body 1 and the traction equipment to work normally. If you want to remove the cutter 13, you only need to press the dome 34, so that the dome 34 pushes the telescopic column 33 to compress the spring 32, and then the telescopic column 33 is retracted into the receiving groove 31. At this time, you can rotate and remove the limit plate 25, and then remove the cutter 13. To install the cutter 13, you only need to align the connecting hole 23 on the cutter 13 with the connecting column 22, and then The connecting post 22 is inserted into the connecting hole 23, and then the limiting plate 25 is rotated through the thread to make the limiting plate 25 contact and connect with the cutter 13 to complete the installation. At this time, the telescopic column 33 can effectively limit the movement of the limiting plate 25 under the thrust of the spring 32, thereby improving the fixing effect. When installing the cutter 13 or the limiting plate 25, when the cutter 13 or the limiting plate 25 contacts the dome 34, the dome 34 has an arc, and then the telescopic column 33 is pressed down along the arc of the dome 34, thereby preventing the telescopic column 33 from affecting the installation.

Claims

1. A double-blade mining machine capable of quickly replacing blades, comprising a double-blade mining machine body (1), wherein both sides of the double-blade mining machine body (1) are provided with output shafts (12), and characterized in that: The output shaft (12) is sleeved with a cutter (13); a pair of rotating shafts (14) are fixedly mounted on the bottom of the double-blade mining machine body (1); the pair of rotating shafts (14) are symmetrically arranged at two ends of the bottom of the double-blade mining machine body (1); wheels (15) are fixedly mounted on both ends of the pair of rotating shafts (14); a fixing device (2) is provided on the surface of the output shaft (12); the cutter (13) is fixedly connected to the output shaft (12) via the fixing device (2); and a reinforcement device (3) is provided on one side of the cutter (13).

2. A double-blade mining machine with quickly replaceable blades according to claim 1, characterized in that: The fixing device (2) comprises a fixing disk (21) and a connecting hole (23). The connecting hole (23) is formed on the surface of the cutter (13). The fixing disk (21) is fixedly connected to the output shaft (12). A plurality of connecting columns (22) are fixedly mounted on the other side of the fixing disk (21). The connecting columns (22) are arranged through the connecting holes (23). One side of the connecting columns (22) is provided with a thread (24). The thread (24) is formed on one end of the output shaft (12) away from the fixing disk (21). The surface of the thread (24) is threadedly connected to a limiting disk (25). The limiting disk (25) is arranged in contact with the cutter (13).

3. A double-blade mining machine with quickly replaceable blades according to claim 1 or 2, characterized in that: The reinforcement device (3) comprises a receiving groove (31), the receiving groove (31) being opened on one radial side of the output shaft (12), a spring (32) being arranged in the receiving groove (31), one end of the spring (32) being fixedly connected to a telescopic column (33), and the other end of the spring (32) being fixedly mounted on the bottom of the receiving groove (31), and a dome (34) being fixedly mounted on the top of the telescopic column (33).

4. A double-blade mining machine with quickly replaceable blades according to claim 1 or 2, characterized in that: The double-blade mining machine body (1) is provided with a fender (4).

5. A double-blade mining machine with rapidly replaceable blades according to claim 3, characterized in that: The double-blade mining machine body (1) is provided with a fender (4).

6. A double-blade mining machine with rapidly replaceable blades according to claim 1, 2 or 5, characterized in that: Both ends of the double-blade mining machine body (1) are provided with connecting plates (5) integrally formed with the double-blade mining machine body (1), and a through hole (51) is provided in the middle of the connecting plate (5).

7. A double-blade mining machine with rapidly replaceable blades according to claim 3, characterized in that: Both ends of the double-blade mining machine body (1) are provided with connecting plates (5) integrally formed with the double-blade mining machine body (1), and a through hole (51) is provided in the middle of the connecting plate (5).

8. A double-blade mining machine with rapidly replaceable blades according to claim 4, characterized in that: Both ends of the double-blade mining machine body (1) are provided with connecting plates (5) integrally formed with the double-blade mining machine body (1), and a through hole (51) is provided in the middle of the connecting plate (5).

9. A double-blade mining machine with rapidly replaceable blades according to claim 1, 2, 5, 7 or 8, characterized in that: A hanging block (6) is fixedly mounted on the top of the double-blade mining machine body (1), and a hanging hole (61) is provided in the middle of the hanging block (6).

10. A double-blade mining machine with rapidly replaceable blades according to claim 1, characterized in that: The sharp parts of the double-blade mining machine body (1) are all provided with rounded corners (7).

Images