Auxiliary adjusting equipment for replacing idle wheel of rocker arm of coal mining machine

Abstract

The utility model discloses auxiliary adjusting equipment for replacing a rocker arm idle wheel of a coal mining machine, and relates to the technical field of mechanical maintenance equipment. The auxiliary adjusting equipment for replacing the idle pulley of the rocker arm of the coal mining machine comprises a lifting assembly, a lifting assembly and a driving assembly, the moving assembly is arranged under the supporting assembly, and the moving assembly is used for carrying the supporting assembly to move; the rotating assembly is arranged on one side of the surface of the top of the moving assembly, one end of the supporting assembly is rotationally connected with the top of the rotating assembly, and the rotating assembly is used for providing rotating support for one end of the supporting assembly; by means of the special auxiliary adjusting frame, the pin shaft hole of the idle wheel and the pin shaft hole of the rocker arm machine body can be rapidly and effectively adjusted and corrected, and compared with the mode that no adjusting frame is used for replacing the idle wheel in the prior art, the maintenance time is saved.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical maintenance equipment, in particular to auxiliary adjustment equipment for replacing an idler wheel of a rocker arm of a coal mining machine. Background Art

[0002] Coal mining machine picks are one of the important parts of the coal mining machine. They are used to crush and cut coal or other rocks and play a key role in coal mining operations. Coal mining machine picks are usually made of sharp and strong alloy steel materials with high hardness and wear resistance. They are installed on the cutter disc of the coal mining machine and cut coal or rock by rotating the cutter disc. The design of the picks usually takes into account the characteristics of different coal seams to ensure that cutting and crushing operations can be carried out effectively.

[0003] However, when the comprehensive mining working face encounters faults or broken tops and bottoms and needs to cut gangue, the coal mining machine picks are severely worn, and a large number of picks need to be replaced per shift, which takes a long time. In addition, two hammers are required to replace the picks, which can easily injure people. Therefore, we proposed a coal mining machine rocker arm idler replacement auxiliary adjustment device to solve the above problems. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides an auxiliary adjustment device for replacing the idler wheel of the rocker arm of a coal mining machine, which solves the problem that a large number of pick teeth need to be replaced in each shift, which takes a long time, and two hammers need to be used when replacing the pick teeth, which can easily injure people.

[0005] To achieve the above purpose, the utility model is implemented through the following technical solutions: a coal mining machine rocker arm idler wheel replacement auxiliary adjustment device, comprising:

[0006] A lifting assembly, the lifting assembly is used to lift the idler wheel of the rocker arm of the coal mining machine;

[0007] A moving component, the moving component is arranged directly below the holding component, and the moving component is used to carry the holding component to move;

[0008] A rotating assembly, wherein the rotating assembly is disposed on one side of the top surface of the moving assembly, and one end of the lifting assembly is rotatably connected to the top of the rotating assembly, and the rotating assembly is used to provide rotational support for one end of the lifting assembly; and

[0009] A support component is arranged at one end of the moving component, and the top end of the support component is connected by snapping with the other end of the lifting component, and the support component is used to provide support for the other end of the lifting component.

[0010] Preferably, the lifting assembly includes an arc-shaped support plate, and a first sleeve and a second sleeve are fixedly provided in the middle of both ends of the arc-shaped support plate, respectively, and the first sleeve is rotatably connected to the top of the rotating assembly, and the second sleeve is snap-connected to the middle of the top of the supporting assembly.

[0011] Preferably, the moving component includes a base plate, and first through holes are opened at the four corners of the top surface of the base plate, and each of the first through holes is provided with a wheel in the inner cavity, and both sides of each wheel are connected to the top surface of the base plate through a wheel frame.

[0012] Preferably, the rotating assembly comprises a fixed frame arranged at one end of the top surface of the bottom plate, and a first shaft rod is inserted in the middle of the fixed frame, both ends of the first shaft rod are inserted with first movable frames, a second shaft rod is arranged directly above the first shaft rod, and both ends of the two second shaft rods are respectively connected to the two first movable frames;

[0013] The second movable frames are inserted on both sides of the middle of the second shaft rod, a third shaft rod is arranged directly above the second shaft rod, and the two ends of the third shaft rod are respectively plugged and connected with the two third shaft rods;

[0014] An anti-slip portion is inserted in the middle of the second shaft, and one end of the anti-slip portion passes through the side wall of the support assembly.

[0015] Preferably, the anti-slip portion comprises a third sleeve sleeved on the middle part of the second shaft rod, a connecting pipe is provided at the middle part of the outer wall of the third sleeve, and a connecting rod is provided in the inner cavity of the connecting pipe;

[0016] One end of the connecting rod passes through the side wall of the supporting component, and a limiting nut is arranged at one end of the connecting rod and located outside the supporting component.

[0017] Preferably, the support assembly includes a base arranged at one end of the bottom plate, and limiting tubes are fixedly arranged on both sides of the top end of the outer wall of the base;

[0018] A second through hole is formed on one side wall of the base, and the second through hole passes through the side wall of the base.

[0019] Preferably, the second through hole is arranged in an inclined manner.

[0020] Beneficial Effects

[0021] The utility model provides an auxiliary adjustment device for replacing the idler wheel of a coal mining machine rocker arm. Compared with the prior art, it has the following beneficial effects:

[0022] The coal mining machine rocker arm idler wheel replacement auxiliary adjustment device can flexibly move and install and fix the rotating assembly and the supporting assembly through the moving assembly, and one end of the lifting assembly can be rotatably installed through the rotating assembly, and the other end of the lifting assembly can be lifted through the supporting assembly;

[0023] When the idler wheel of the coal mining machine rocker arm needs to be replaced, the staff first places the moving assembly at the preset position, and then places the idler wheel of the coal mining machine rocker arm on the lifting assembly, and then moves the moving assembly to synchronously adjust the position of the idler wheel of the coal mining machine rocker arm, and then lifts the lifting assembly at one end of the supporting assembly so that the other end of the lifting assembly can be rotated on the rotating assembly, and then the idler wheel of the coal mining machine rocker arm placed on the lifting assembly can be lifted upward, so as to adjust and correct the pin shaft hole of the idler wheel and the rocker arm body, which saves maintenance time compared with the previous replacement of idler wheels without such an adjustment frame. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0025] Figure 2 This is a schematic diagram of the bottom structure of the utility model;

[0026] Figure 3 This is a schematic diagram of the structure of the lifting component of the utility model;

[0027] Figure 4 This is a schematic diagram of the structure of the mobile component of the utility model;

[0028] Figure 5 This is a schematic diagram of the structure of the rotating assembly of the utility model;

[0029] Figure 6 This is a schematic diagram of the exploded structure of the rotating assembly of the utility model;

[0030] Figure 7 This is a schematic diagram of the anti-slip structure of the utility model;

[0031] Figure 8 This is a schematic diagram of the structure of the lifting component of the utility model.

[0032] In the figure: 1. lifting assembly; 11. arc-shaped supporting plate; 12. first sleeve; 13. second sleeve; 2. moving assembly; 21. bottom plate; 22. first through hole; 23. wheel; 24. wheel frame; 3. rotating assembly; 31. fixed frame; 32. first shaft rod; 33. first movable frame; 34. second shaft rod; 35. second movable frame; 36. third shaft rod; 37. anti-slip portion; 371. third sleeve; 372. connecting pipe; 373. connecting rod; 374. limiting nut; 4. supporting assembly; 41. base; 42. limiting pipe; 43. second through hole. DETAILED DESCRIPTION

[0033] 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 the embodiments. 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.

[0034] See also Figure 1-2 The utility model provides a technical solution: an auxiliary adjustment device for replacing an idler wheel of a rocker arm of a coal mining machine, comprising: a lifting component 1, the lifting component 1 is used to lift the idler wheel of the rocker arm of the coal mining machine; a moving component 2, the moving component 2 is arranged directly below the lifting component 1, and the moving component 2 is used to carry the lifting component 1 to move; a rotating component 3, the rotating component 3 is arranged on one side of the top surface of the moving component 2, and one end of the lifting component 1 is rotatably connected to the top of the rotating component 3, and the rotating component 3 is used to provide rotation support for one end of the lifting component 1; and a supporting component 4, the supporting component 4 is arranged at one end of the moving component 2, and the top of the supporting component 4 is connected to the other end of the lifting component 1 by snapping, and the supporting component 4 is used to provide support for the other end of the lifting component 1;

[0035] Through the moving component 2, it can be flexibly moved, and the rotating component 3 and the supporting component 4 can be installed and fixed. Through the rotating component 3, one end of the lifting component 1 can be rotatably installed, and at the same time, through the supporting component 4, the other end of the lifting component 1 can be lifted. When the idler wheel of the coal mining machine rocker arm needs to be replaced, the staff first places the moving component 2 in the preset position, and then places the idler wheel of the coal mining machine rocker arm on the lifting component 1, and then by moving the moving component 2, the position of the idler wheel of the coal mining machine rocker arm can be adjusted synchronously, and then by lifting the lifting component 1 located at one end of the supporting component 4, the other end of the lifting component 1 can be rotated on the rotating component 3, and then the idler wheel of the coal mining machine rocker arm placed on the lifting component 1 can be lifted upward, so as to adjust and correct the pin shaft hole of the idler wheel and the rocker arm body, compared with the previous replacement of the idler wheel without such an adjustment frame, it saves maintenance time.

[0036] See also Figure 1-Figure 3 The lifting component 1 includes an arc-shaped support plate 11, and a first sleeve 12 and a second sleeve 13 are fixedly provided at the middle of both ends of the arc-shaped support plate 11, and the first sleeve 12 is rotatably connected to the top of the rotating component 3, and the second sleeve 13 is connected to the middle of the top of the supporting component 4 by clamping;

[0037] The arc-shaped support plate 11 in the lifting assembly 1 can be rotatably installed on the top of the rotating assembly 3 through the first sleeve 12, and can be clamped in the middle of the top of the supporting assembly 4 through the second sleeve 13, and at the same time, the idler wheel of the coal machine rocker arm can be stably lifted.

[0038] See also Figure 2 , Figure 4 The mobile assembly 2 includes a bottom plate 21, and first through holes 22 are provided at four corners of the top surface of the bottom plate 21, and a wheel 23 is provided in the inner cavity of each first through hole 22, and both sides of each wheel 23 are connected to the top surface of the bottom plate 21 through a wheel frame 24;

[0039] Through the bottom plate 21 in the movable component 2, the rotating component 3 and the supporting component 4 can be installed and fixed, and space can be provided for opening the four first through holes 22. At the same time, the wheels 23 can be installed through multiple wheel frames 24. Then, through the wheels 23, it is convenient for the staff to move it, and then the position of the rotating component 3 and the supporting component 4 can be adjusted.

[0040] See also Figure 1 , Figure 5-Figure 7 The rotating assembly 3 includes a fixed frame 31 arranged at one end of the top surface of the bottom plate 21, and a first shaft rod 32 is inserted in the middle of the fixed frame 31, and first movable frames 33 are inserted at both ends of the first shaft rod 32, a second shaft rod 34 is arranged directly above the first shaft rod 32, and the two ends of the two second shaft rods 34 are respectively connected to the two first movable frames 33; second movable frames 35 are inserted on both sides of the middle of the second shaft rod 34, a third shaft rod 36 is arranged directly above the second shaft rod 34, and the two ends of the third shaft rod 36 are respectively connected to the first movable frames 33. They are respectively connected with two third shaft rods 36; an anti-slip portion 37 is inserted in the middle of the second shaft rod 34, and one end of the anti-slip portion 37 passes through the side wall of the support assembly 4, and the anti-slip portion 37 includes a third sleeve 371 sleeved in the middle of the second shaft rod 34, a connecting pipe 372 is arranged in the middle of the outer wall of the third sleeve 371, and a connecting rod 373 is arranged in the inner cavity of the connecting pipe 372; one end of the connecting rod 373 passes through the side wall of the support assembly 4, and a limiting nut 374 is arranged at one end of the connecting rod 373 and located outside the support assembly 4;

[0041] The fixed frame 31 in the rotating assembly 3 can be fixed to one side of the top surface of the bottom plate 21, and the two first movable frames 33 can be installed through the first shaft rod 32. Then, the second shaft rod 34 can be plugged into the two first movable frames 33, and the two second movable frames 35 can be rotatably installed. At the same time, the third sleeve 371 can be rotatably installed. Then, the third shaft rod 36 can be used to connect the two second movable frames 35 and plug and install them with the first sleeve 12, so that the arc-shaped support plate 11 and the first sleeve 12 can be connected with the third sleeve 12. The shaft rod 36 rotates about the axis to adjust the height of the arc-shaped support plate 11. Through the connecting tube 372, it can be fixed on the third sleeve 371 and the limiting nut 374 can be installed through the connecting rod 373. Since one end of the connecting rod 373 passes through the side wall of the support component 4 and the limiting nut 374 is located on the outside of the support component 4, when the arc-shaped support plate 11 is lifted upward, the connecting rod 373 and the limiting nut 374 limit the outward movement distance of the second shaft rod 34, thereby preventing the arc-shaped support plate 11 from sitting on the top surface of the base plate 21.

[0042] See also Figure 4 , Figure 8 The support assembly 4 includes a base 41 disposed at one end of the bottom plate 21, and a limiting tube 42 is fixedly disposed on both sides of the top of the outer wall of the base 41; a second through hole 43 is opened on one side wall of the base 41, and the second through hole 43 penetrates the side wall of the base 41, and the second through hole 43 is disposed in an inclined manner;

[0043] Through the support assembly 4 in the support assembly 4, it can be fixed on one end of the base plate 21, and two limiting tubes 42 can be installed, and at the same time, a space can be provided for opening a second through hole 43 arranged in an inclined manner. Then, through the two limiting tubes 42, it can be flush with the second sleeve 13, so as to limit one end of the arc-shaped support plate 11. Then, through the second through hole 43 arranged in an inclined manner, it can facilitate the passage of one end of the connecting rod 373, and prevent the limiting nut 374 from passing through.

[0044] During operation, the moving component 2 can be used to move flexibly and to install and fix the rotating component 3 and the supporting component 4, and the rotating component 3 can be used to rotate and install one end of the lifting component 1, and at the same time, the other end of the lifting component 1 can be lifted by the supporting component 4. When the idler wheel of the coal mining machine rocker arm needs to be replaced, the staff first places the moving component 2 in the preset position, and then places the idler wheel of the coal mining machine rocker arm on the lifting component 1, and then adjusts the position of the idler wheel of the coal mining machine rocker arm synchronously by moving the moving component 2, and then lifts the lifting component 1 located at one end of the supporting component 4, so that the other end of the lifting component 1 can be rotated on the rotating component 3, and then the idler wheel of the coal mining machine rocker arm placed on the lifting component 1 can be lifted upward, so as to adjust and correct the pin shaft hole of the idler wheel and the rocker arm body, which saves maintenance time compared with the previous replacement of idler wheels without such an adjustment frame.

[0045] Through the arc-shaped support plate 11 in the lifting component 1, it can be rotatably installed on the top of the rotating component 3 through the first sleeve 12, and can also be clamped in the middle of the top of the supporting component 4 through the second sleeve 13. At the same time, the idler wheel of the coal machine rocker arm can be stably lifted. Through the bottom plate 21 in the moving component 2, the rotating component 3 and the supporting component 4 can be installed and fixed, and space can be provided for the four first through holes 22. At the same time, the wheels 23 can be installed through multiple wheel frames 24. Then, through the wheels 23, it is convenient for the staff to move it, and then the position of the rotating component 3 and the supporting component 4 can be adjusted.

[0046] The fixed frame 31 in the rotating assembly 3 can be fixed to one side of the top surface of the bottom plate 21, and the two first movable frames 33 can be installed through the first shaft rod 32. Then, the second shaft rod 34 can be plugged into the two first movable frames 33, and the two second movable frames 35 can be rotatably installed. At the same time, the third sleeve 371 can be rotatably installed. Then, the third shaft rod 36 can be used to connect the two second movable frames 35 and plug and install them with the first sleeve 12, so that the arc-shaped support plate 11 and the first sleeve 12 can be connected with the third sleeve 12. The shaft rod 36 rotates about the axis to adjust the height of the arc-shaped support plate 11. Through the connecting tube 372, it can be fixed on the third sleeve 371 and the limiting nut 374 can be installed through the connecting rod 373. Since one end of the connecting rod 373 passes through the side wall of the support component 4 and the limiting nut 374 is located on the outside of the support component 4, when the arc-shaped support plate 11 is lifted upward, the connecting rod 373 and the limiting nut 374 limit the outward movement distance of the second shaft rod 34, thereby preventing the arc-shaped support plate 11 from sitting on the top surface of the base plate 21.

[0047] Through the support assembly 4 in the support assembly 4, it can be fixed on one end of the base plate 21, and two limiting tubes 42 can be installed, and at the same time, a space can be provided for opening a second through hole 43 arranged in an inclined manner. Then, through the two limiting tubes 42, it can be flush with the second sleeve 13, so as to limit one end of the arc-shaped support plate 11. Then, through the second through hole 43 arranged in an inclined manner, it can facilitate the passage of one end of the connecting rod 373, and prevent the limiting nut 374 from passing through.

[0048] In summary, the device can quickly and effectively adjust and correct the pin shaft hole of the idler wheel and the rocker arm body by using this special auxiliary adjustment frame, which saves maintenance time compared with the previous replacement of the idler wheel without this adjustment frame.

[0049] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

Claims

1. A coal mining machine rocker arm idler wheel replacement auxiliary adjustment device, characterized in that: include: A lifting assembly (1), the lifting assembly (1) being used to lift the idler wheel of the rocker arm of the coal mining machine; A moving component (2), the moving component (2) being arranged directly below the holding component (1), and the moving component (2) being used to carry the holding component (1) for movement; A rotating assembly (3), the rotating assembly (3) being arranged on one side of the top surface of the moving assembly (2), and one end of the lifting assembly (1) being rotatably connected to the top of the rotating assembly (3), the rotating assembly (3) being used to provide rotational support for one end of the lifting assembly (1); as well as A support component (4), the support component (4) being arranged at one end of the moving component (2), and the top end of the support component (4) being snap-connected with the other end of the lifting component (1), the support component (4) being used to provide support for the other end of the lifting component (1).

2. The auxiliary adjustment device for replacing the idler wheel of a coal mining machine rocker arm according to claim 1, characterized in that: The lifting assembly (1) comprises an arc-shaped support plate (11), a first sleeve (12) and a second sleeve (13) are respectively fixedly provided at the middle of both ends of the arc-shaped support plate (11), and the first sleeve (12) is rotatably connected to the top end of the rotating assembly (3), and the second sleeve (13) is snap-connected to the middle of the top end of the supporting assembly (4).

3. The auxiliary adjustment device for replacing the idler wheel of a coal mining machine rocker arm according to claim 1, characterized in that: The moving assembly (2) comprises a bottom plate (21), the top surface of the bottom plate (21) is provided with first through holes (22) at four corners, and each of the first through holes (22) is provided with a wheel (23) in its inner cavity, while both sides of each of the wheels (23) are connected to the top surface of the bottom plate (21) via a wheel frame (24).

4. The auxiliary adjustment device for replacing the idler wheel of a coal mining machine rocker arm according to claim 3, characterized in that: The rotating assembly (3) comprises a fixed frame (31) arranged at one end of the top surface of the bottom plate (21), and a first shaft (32) is inserted in the middle of the fixed frame (31), both ends of the first shaft (32) are inserted with first movable frames (33), a second shaft (34) is arranged directly above the first shaft (32), and both ends of the two second shafts (34) are respectively connected to the two first movable frames (33); Second movable frames (35) are plugged into both sides of the middle of the second shaft rod (34); a third shaft rod (36) is arranged directly above the second shaft rod (34); and two ends of the third shaft rod (36) are plugged into and connected to two third shaft rods (36) respectively; An anti-slip portion (37) is inserted into the middle of the second shaft (34), and one end of the anti-slip portion (37) passes through the side wall of the support assembly (4).

5. The auxiliary adjustment device for replacing the idler wheel of a coal mining machine rocker arm according to claim 4, characterized in that: The anti-dropping portion (37) comprises a third sleeve (371) sleeved on the middle portion of the second shaft rod (34); a connecting tube (372) is provided in the middle portion of the outer wall of the third sleeve (371); and a connecting rod (373) is provided in the inner cavity of the connecting tube (372); One end of the connecting rod (373) passes through the side wall of the support assembly (4), and a limiting nut (374) is provided at one end of the connecting rod (373) and located outside the support assembly (4).

6. The auxiliary adjustment device for replacing the idler wheel of a coal mining machine rocker arm according to claim 3, characterized in that: The support assembly (4) comprises a base (41) arranged at one end of the bottom plate (21), and limiting tubes (42) are fixedly arranged on both sides of the top end of the outer wall of the base (41); A second through hole (43) is provided on one side wall of the base (41), and the second through hole (43) passes through the side wall of the base (41).

7. The auxiliary adjustment device for replacing the idler wheel of a coal mining machine rocker arm according to claim 6, characterized in that: The second through hole (43) is arranged in an inclined manner.

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