CN104815724A - Multi-shaft rotation hammer staggered shear crusher - Google Patents

Abstract

The multi-shaft rotary hammer interlaced shear crusher is characterized in that: the barrel of the crusher is cylindrical, and the upper and lower parts of the barrel of the crusher are respectively equipped with bearing boxes; the upper and lower bearing boxes are respectively connected to the through cover of the bearing seat and the The bearing seat is covered; the upper and lower bearing boxes are equipped with upper tapered roller bearings; the main and driven transmission shafts pass through the bearing seat cover, the middle part is in the crusher barrel, and the bottom is connected to the bearing seat cover; the drive shafts are respectively It is equipped with a sand hammer, and the sand hammer is connected with the drive shaft by a spline; the main and driven gears are helical cylindrical gears; the crusher barrel is equipped with a wear-resistant liner, and the outer wall of the wear-resistant liner is inlaid with a wear-resistant liner. The shock sleeve; the wear-resistant lining is a cylinder composed of two semi-circular arc plates, and the wear-resistant lining is equipped with a seam damping gasket in the gap between the two semi-circular arc plates. It has the characteristics of improving work efficiency, reducing energy consumption, shock absorption and noise reduction.

Description

Multi-shaft Rotary Hammer Interleaved Shear Crusher

technical field

A multi-shaft rotary hammer interlaced shear crusher relates to the technical field of mineral crushing.

Background technique

Ore crushing is a unit production equipment widely used in metallurgical and mining production and crushing of various ores and minerals. As we all know, the ore crushing workshop is noisy, dusty and consumes a lot of power.

The ore crusher of the prior art has a big defect of poor sealing of the equipment and harsh environment (such as a jaw crusher), high production noise, and large power consumption. In some equipment, a shaft drives several sand hammers to rotate and hit the ore to achieve crushing, which also has low efficiency and high energy consumption. Such as ZL: 201220545661.9.

The above problems are mainly low efficiency of ore crushing, high energy consumption, high noise, and a lot of dust dispersed into the air, causing environmental pollution (dust pollution and noise pollution), not suitable for the needs of low-carbon economic operation mode, and not conducive to environmental protection.

Contents of the invention

Those skilled in the art all believe that the main cost of ore crushing is the huge energy consumption, but it has always been difficult to overcome. In order to overcome the defects in the prior art, one of the purposes of this application is to reduce energy consumption; the second purpose is to improve efficiency; the third purpose is to reduce vibration, strengthen mechanical strength and reduce noise pollution; the fourth purpose is to reduce dust pollution; the fifth purpose is to facilitate maintenance. For this reason this application adopts following technical scheme:

1. Multi-axis rotary hammer staggered shear crusher, characterized in that: multi-axis rotary hammer staggered shear crusher includes: upper bearing box 1.1, lower bearing box 1.2, driven gear 2, driven transmission shaft 3, driving gear 4. Drive shaft 5, gear compression nut 6, gear compression cover 7, upper tapered roller bearing 8.1, lower tapered roller bearing 8.2, bearing seat cover 9, sealing packing 11, bearing seat cover mounting nut 12, Cylinder sealing gasket 14, box mounting bolts 15, crusher cylinder 16, flat paddle sand hammer 17.1, three-leaf sand hammer 17.2, sand hammer axial positioning sleeve 18, wear-resistant lining 19, Shock-absorbing sleeve for grinding lining 19.1, convex wear-resistant end plate 20, shock-absorbing gasket 21 for wear-resistant lining end plate, reinforcing rib plate 22, bearing seat cover 24, discharge port 26, wear-resistant lining seam Shock absorbing gasket 27, inspection door mounting bolts 28, inspection door wear-resistant liner installation bolts 29, inspection door wear-resistant liner 30, inspection door 31, material inlet 33;

Crusher cylinder 16 is a cylindrical cylinder, the upper part of crusher cylinder 16 is equipped with upper bearing box 1.1, the lower part of crusher cylinder 16 is equipped with lower bearing box 1.2; upper bearing box 1.1 is connected with bearing seat through cover 9 , the lower bearing box 1.2 is connected with a bearing seat cover 24; (the bearing seat cover 9 and the bearing seat cover 24 bear the force transmitted by the transmission shaft and also play a sealing role,)

The bearing cover 9 and the bearing cover 24 are both circular; the upper bearing housing 1.1 is equipped with an upper tapered roller bearing 8.1, and the lower bearing housing 1.2 is equipped with a lower tapered roller bearing 8.2;

The upper bearing box 1.1 is on the upper part of the crusher barrel 16, the lower bearing box 1.2 is on the lower part of the crusher barrel 16, the upper bearing box 1.1, the lower bearing box 1.2 and the crusher barrel 16 are connected together by bolts 15;

The driving gear 4 and the driven gear 2 are all located on the top of the upper bearing housing 1.1, and the driving transmission shaft 5 and the driven transmission shaft 3 are the transmission shafts of the driving gear 4 and the driven gear 2 respectively;

Both the driving transmission shaft 5 and the driven transmission shaft 3 pass through the bearing seat cover 9, the middle part is inside the crusher barrel 16, and the bottom part is connected to the bearing seat cover 24;

The driving transmission shaft 5 and the driven transmission shaft 3 are in the middle of the crusher cylinder 16, and the driving transmission shaft 5 and the driven transmission shaft 3 are respectively equipped with flat paddle type breakers at the section above 1/2 of the height of the crusher cylinder 16. sand hammer 17.1;

The driving drive shaft 5 and the driven drive shaft 3 are respectively equipped with three-leaf sand hammers 17.2 at the section below 1/2 of the height of the crusher cylinder 16;

The three-leaf sand hammer 17.2 is in the shape of three leaves, the hammer head is axisymmetric, and the angle between the symmetrical axes of the three hammer heads is 60°;

The flat paddle type sand hammer 17.1 is flat paddle shaped, the hammer head is axisymmetric, and the angle between the symmetrical axes of the two hammer heads is 180°;

The shape of the hammer head of the three-leaf sand hammer 17.2 and the flat paddle sand hammer 17.1 are exactly the same;

The surface of the hammer head of the flat paddle sand hammer 17.1 and the three-leaf sand hammer 17.2 has a polygonal hammer with an included angle of α, α=75°～80°; (the surface of the hammer head of the sand hammer has an included angle α=75 °～80° polygonal hammer, the smaller the included angle, the better the crushing effect on ore, but the faster the wear, so choose α=75°～80°)

The flat paddle type sand hammer 17.1 and the three blade type sand hammer 17.2 of the driving transmission shaft 5 and the driven transmission shaft 3 are all connected with the drive shaft by splines;

The flat paddle type sand hammer 17.1 and the three-leaf type sand hammer 17.2 on the driving drive shaft 5 are arranged equidistantly in the vertical direction, and the flat paddle type sand hammer 17.1 and the three leaf type sand hammer 17.2 on the driven drive shaft 3 are vertically arranged. The directions are arranged at equal intervals;

The flat paddle type sand hammer 17.1 and the three-blade sand hammer 17.2 on the driving drive shaft 5 are alternately arranged with the flat paddle type sand hammer 17.1 and the three-blade sand hammer 17.2 on the driven drive shaft 3; (see figure 1)

The driven gear 2 and the driven transmission shaft 3 are combined into a driven assembly. There are 4 sets of driven assemblies. The driven assemblies are evenly distributed on the concentric circle centered on the center of the crusher barrel 16. On the driven transmission shaft 3; the four driven gears 2 are all meshed with the driving gear 4; the transmission between the driving gear 4 and the driven gear 2 is a helical cylindrical gear;

The bearing seat through cover 9 is connected with the upper bearing housing 1.1 through the bearing seat cover mounting nut 12;

The bearing seat cover 24 is connected with the lower bearing box 1.2 through the bearing seat cover mounting nut 12;

The bearing seat through cover 9 is connected with the driving transmission shaft 5 and the driven transmission shaft 3 through the gear compression nut 6 and the gear compression cover 7;

The tops of the driving transmission shaft 5 and the driven transmission shaft 3 are compressed and fixed by the gear compression nut 6 and the gear compression cover 7;

The bearing seat cover 9 is provided with a feed port 33;

The bearing block cover 24 is provided with a discharge port 26;

The crusher barrel 16 is lined with a wear-resistant liner 19, which is a cylinder composed of two semi-circular arc plates, and there is a gap of n=3-5mm at the combination of the arc plates;

The wear-resistant lining 19 is equipped with a wear-resistant lining to seam shock-absorbing gasket 27 in the gap between two semi-circular arc plates;

Wear-resistant liner 19 outer wall is inlaid with wear-resistant liner shock-absorbing sleeve 19.1, wear-resistant liner 19 and wear-resistant liner shock-absorbing sleeve 19.1 cross section is tooth-shaped; (add wear-resistant liner shock-absorbing sleeve 19.1, shock The effect is enhanced, the wear-resistant liner 19 and the wear-resistant liner damping sleeve 19.1 have a toothed cross section to ensure the fastness of the shock-absorbing sleeve 19.1 on the wear-resistant liner 19)

The convex wear-resistant end plate 20 is a combination of a large-diameter cylinder and a small-diameter cylinder with a "convex"-shaped cross-section. The difference between the radius of the large-diameter cylinder and the radius of the small-diameter cylinder is equal to the wear-resistant liner 19 The wall thickness of the wear-resistant liner plus the wall thickness of the shock-absorbing sleeve 19.1;

The top and bottom of the crusher barrel 16 are respectively equipped with a convex wear-resistant end plate 20. The convex wear-resistant end plate 20 on the top of the crusher barrel 16 is in an inverted "convex" shape, and the convex wear-resistant end plate 20 at the bottom is positive. "convex" shape;

The top and bottom of the crusher barrel 16 and the two convex wear-resistant end plates 20 all form an annular groove;

The groove formed by the convex wear-resistant end plate 20 and the crusher barrel 16 is equipped with a wear-resistant liner end plate shock-absorbing gasket 21;

Both ends of the wear-resistant lining 19 are embedded in the groove surrounded by the convex wear-resistant end plate 20 and the crusher cylinder 16; equal outer diameter;

2. The multi-axis rotary hammer interlaced shearing crusher is characterized in that: each of the flat paddle type sand hammer 17.1 and the three-blade sand hammer 17.2 of the driving transmission shaft 5 and the driven transmission shaft 3 The axial positioning sleeve 18 of sand hammer is set on the intermediate shaft. (Its function is that in the process of strong sand blasting, the sand hammer 17 is firmly combined with the drive shaft to further reduce shock and noise, increase strength and prolong the life of the main components of the multi-axis rotary hammer interlaced shear crusher)

3. The multi-axis rotary hammer interlaced shear crusher is characterized in that there is a cylinder sealing gasket 14 between the top of the crusher cylinder 16 and the through cover 9 of the bearing seat. (acts as a seal and shock absorber)

4. The multi-axis rotary hammer interlaced shear crusher is characterized in that: the upper tapered roller bearing 8.1 and the lower tapered roller bearing 8.2, the upper tapered roller bearing 8.1 and the lower tapered roller bearing 8.2 are both Including inner ring, outer ring and rollers. (The bearing seat cover includes the bearing through cover 9 and the bearing cover 24. The inner ring is installed on the transmission shaft, and the outer ring is installed on the bearing seat cover. When the blade hits the ore, an axial force is generated on the transmission shaft and a radial force is also generated. , tapered roller bearing 8 can withstand radial force and axial force, strong ability to carry alternating loads, prolong bearing life)

5. The multi-axis rotary hammer interlaced shear crusher is characterized in that: the driving transmission shaft 5 and the driven transmission shaft 3 are both stepped shafts;

That is, the driving transmission shaft 5 and the driven transmission shaft 3 are cylinders with unequal diameters, the part above the driving transmission shaft 5 connected to the driving gear 4 is a thin diameter section, and the part above the driven transmission shaft 3 connected to the driven gear 2 is thin section;

The part of the driving transmission shaft 5 in the upper bearing housing 1.1 and the lower bearing housing 1.2 is the middle diameter section, and the part of the driven transmission shaft 3 in the upper bearing housing 1.1 and the lower bearing housing 1.2 is the middle diameter section;

The part of the driving transmission shaft 5 in the crusher barrel 16 is a thick-diameter section, and the part of the driven transmission shaft 3 in the crusher barrel 16 is also a thick-diameter section. (Prevent the axial movement of the active transmission shaft 5 and the driven transmission shaft 3 in the crusher barrel 16)

6. The multi-axis rotary hammer interlaced shear crusher is characterized in that: the crusher cylinder 16 is equipped with an inspection door 31, and the inspection door 31 is installed on the crusher cylinder 16 through the inspection door installation bolt 28 ;

The inspection door 31 is an arc door with the same curvature radius as the crusher barrel 16 .

7. The multi-axis rotary hammer interlaced shear crusher is characterized in that: the inner side of the inspection door 31 is equipped with an inspection door wear-resistant lining 30; the inspection door wear-resistant lining 30 passes through the inspection door wear-resistant lining to install bolts 29 Installed on the inspection door 31.

8. The multi-axis rotary hammer interlaced shear crusher is characterized in that: the joints of the driven transmission shaft 3, the driving transmission shaft 5 and the bearing seat cover 9 are equipped with sealing packing 11;

Sealing packing 11 is housed at the junction of driven transmission shaft 3, driving transmission shaft 5 and the bottom of upper bearing housing 1.1.

9. The multi-axis rotary hammer interlaced shearing crusher is characterized in that: the flat paddle sand hammer 17.1, the three-leaf sand hammer 17.2, the axial positioning sleeve 18 of the sand hammer, the convex resistant The grinding end plate 20 is made of white cast iron.

10. The multi-axis rotary hammer interlaced shear crusher is characterized in that: the wear-resistant lining 19 is made of white cast iron.

11. The section of the crusher barrel 16 is "L"-shaped, and there are ribs 22 on the right-angled sides of the "L".

12. The above-mentioned wear-resistant liner end plate damping gasket 21 and the wear-resistant liner seam-to-seam damping gasket 27 are all made of rubber.

Beneficial effect

1. The well-known sand making machine consumes a lot of energy, which accounts for the largest proportion in the production cost. This application adopts the driving gear 4 and the driven gear 2 above the upper bearing box 1.1, and the driving transmission shaft 5 and the driven transmission shaft 3 are respectively The transmission shaft of the driving gear 4 and the driven gear 2; the driving gear drives the driven gear to work, making full use of the space of the crusher barrel 16, improving work efficiency and reducing energy consumption. It can reduce energy consumption by more than 50% compared with single shaft sand making machine.

2. A convex wear-resistant end plate 20 is installed on the top and bottom of the crusher cylinder 16, and the cross-section of the convex wear-resistant end plate 20 is a combination of a large-diameter cylinder and a small-diameter cylinder with a "convex" shape. body, the difference between the radius of the large-diameter cylinder and the radius of the small-diameter cylinder equals the wall thickness of the wear-resistant liner 19 plus the wall thickness of the wear-resistant liner shock absorber 19.1. The wear-resistant liner 19 and the convex wear-resistant end plates 20 at both ends form a structure that makes the multi-axis rotary hammer interleaved shear crusher shock-absorbing, reduces noise, and enhances the strength of the multi-axis rotary hammer interlaced shear crusher. The inner cavity plays multiple functions of shock absorption, noise reduction and increasing the strength of the crusher.

3. The crusher barrel 16 is lined with a wear-resistant liner 19, which is a cylinder composed of two semi-circular arc plates, which facilitates the assembly of the barrel and the shell, and also simplifies the casting process. Save the cost of casting molds, leaving a gap of 3-5mm is not only conducive to installation, but also has the effect of damping and shock absorption after the gap is filled with ore powder.

4. Wear-resistant lining shock-absorbing cover 19.1 can greatly reduce vibration on the wear-resistant lining 19 overcoat, and play the effect of shock absorption and noise reduction.

5. The lower bearing housing 1.2 is installed at the lower part of the crusher barrel 16; The bearing seat through cover 9 and the bearing seat stuffy cover 24 bear the active force transmitted by the transmission shaft and also play a sealing role.

6. Axial positioning sleeves 18 for sand hammers are set on the shafts between the flat paddle sand hammers 17.1 and the three-leaf sand hammers 17.2 of the driving transmission shaft 5 and the driven transmission shaft 3, so that In the process of strong sand blasting, the sand hammer 17 is firmly combined with the drive shaft, which further reduces shock and noise, increases the strength of the shaft and sand hammer, and prolongs the service life of the main components of the multi-axis rotary hammer interlaced shear crusher.

7. The cylinder body 16 of the crusher is equipped with an inspection door 31, which is convenient for inspection and installation.

8. The wear-resistant liner 19 and the convex wear-resistant end plate 20 are added to increase the service life of the multi-axis rotary hammer interlaced shear crusher. After wear and tear, the wear-resistant liner 19 and the convex wear-resistant end plate 20 can be replaced. The reliability is improved and the maintenance is convenient.

9. The groove formed by the convex wear-resistant end plate 20 and the crusher barrel 16 is equipped with a wear-resistant liner end plate shock-absorbing gasket 21; the radial and axial fixation of the two can be realized to avoid crushing The barrel 16 and the wear-resistant lining 19 are cumbersomely fixed with bolts; the wear-resistant lining end plate shock-absorbing gasket 21 is installed between the convex wear-resistant end plate 20 and the end of the wear-resistant lining 16 , The damping pad is made of rubber material, which plays the role of damping and shock absorption, and can also prevent dust from spilling and improve the sealing performance.

10. The surface of the hammer head of the flat paddle type sand hammer 17.1 and the three-leaf sand hammer 17.2 has a polygonal hammer with an included angle of α, α=75°～80°; it is more conducive to crushing ore into fine powder.

Description of drawings

Figure 1: Front half-section view;

Figure 2: Top view full sectional view;

Figure 3: top view;

Figure 4: The cross-sectional enlarged cross-sectional view of the three-leaf sand hammer and the main (or slave) transmission shaft;

Figure 5: Enlarged cross-sectional view of flat paddle sand hammer and main (or slave) transmission shaft

Figure 6: The enlarged view of the partial section of the connection I between the wear-resistant lining and the crusher cylinder;

Figure 7: The enlarged view of the partial section II of the connection between the wear-resistant liner and the convex wear-resistant end plate shock-absorbing gasket;

Figure 8: Surface diagram of flat paddle sand hammer and three-leaf sand hammer.

In the figure: 1.1 upper bearing box, 1.2 lower bearing box, 2 driven gear, 3 driven transmission shaft, 4 driving gear, 5 driving transmission shaft, 6 gear compression nut, 7 gear compression cover, 8.1 upper tapered roller Bearing, 8.2 Lower tapered roller bearing, 9 Bearing housing through cover, 11 Seal packing, 12 Bearing housing mounting nut, 14 Cylinder sealing gasket, 15 Box mounting bolts, 16 Crusher cylinder, 17 Sand hammer, 18 Sand hammer axial positioning sleeve, 19 wear-resistant liner, 19.1 wear-resistant liner shock absorber, 20 convex wear-resistant end plate, 21 wear-resistant liner end plate shock-absorbing gasket, 22 rib plate, 24 bearing Seat cover, 26 discharge port, 27 wear-resistant liner anti-seam damping gasket, 28 inspection door installation bolts, 29 inspection door wear-resistant liner installation bolts, 30 inspection door wear-resistant liner, 31 inspection door, 33 Inlet.

Detailed ways

The present application will be further described below in conjunction with the accompanying drawings and embodiments.

Example 1

1. Multi-axis rotary hammer staggered shear crusher, characterized in that: multi-axis rotary hammer staggered shear crusher includes: upper bearing box 1.1, lower bearing box 1.2, driven gear 2, driven transmission shaft 3, driving gear 4. Drive shaft 5, gear compression nut 6, gear compression cover 7, upper tapered roller bearing 8.1, lower tapered roller bearing 8.2, bearing seat cover 9, sealing packing 11, bearing seat cover mounting nut 12, Cylinder sealing gasket 14, box mounting bolts 15, crusher cylinder 16, flat paddle sand hammer 17.1, three-leaf sand hammer 17.2, sand hammer axial positioning sleeve 18, wear-resistant lining 19, Shock-absorbing sleeve for grinding lining 19.1, convex wear-resistant end plate 20, shock-absorbing gasket 21 for wear-resistant lining end plate, reinforcing rib plate 22, bearing seat cover 24, discharge port 26, wear-resistant lining seam Shock absorbing gasket 27, inspection door mounting bolts 28, inspection door wear-resistant liner installation bolts 29, inspection door wear-resistant liner 30, inspection door 31, material inlet 33;

Crusher cylinder 16 is a cylindrical cylinder, the upper part of crusher cylinder 16 is equipped with upper bearing box 1.1, the lower part of crusher cylinder 16 is equipped with lower bearing box 1.2; upper bearing box 1.1 is connected with bearing seat through cover 9 , the lower bearing box 1.2 is connected with a bearing seat cover 24; (the bearing seat cover 9 and the bearing seat cover 24 bear the force transmitted by the transmission shaft and also play a sealing role,)

The bearing cover 9 and the bearing cover 24 are both circular; the upper bearing housing 1.1 is equipped with an upper tapered roller bearing 8.1, and the lower bearing housing 1.2 is equipped with a lower tapered roller bearing 8.2;

The upper bearing box 1.1 is on the upper part of the crusher barrel 16, the lower bearing box 1.2 is on the lower part of the crusher barrel 16, the upper bearing box 1.1, the lower bearing box 1.2 and the crusher barrel 16 are connected together by bolts 15;

The driving gear 4 and the driven gear 2 are all located on the top of the upper bearing housing 1.1, and the driving transmission shaft 5 and the driven transmission shaft 3 are the transmission shafts of the driving gear 4 and the driven gear 2 respectively;

Both the driving transmission shaft 5 and the driven transmission shaft 3 pass through the bearing seat cover 9, the middle part is inside the crusher barrel 16, and the bottom part is connected to the bearing seat cover 24;

The driving transmission shaft 5 and the driven transmission shaft 3 are in the middle of the crusher cylinder 16, and the driving transmission shaft 5 and the driven transmission shaft 3 are respectively equipped with flat paddle type breakers at the section above 1/2 of the height of the crusher cylinder 16. sand hammer 17.1;

The driving drive shaft 5 and the driven drive shaft 3 are respectively equipped with three-leaf sand hammers 17.2 at the section below 1/2 of the height of the crusher cylinder 16;

The three-leaf sand hammer 17.2 is in the shape of three leaves, the hammer head is axisymmetric, and the angle between the symmetrical axes of the three hammer heads is 60°;

The flat paddle type sand hammer 17.1 is flat paddle shaped, the hammer head is axisymmetric, and the angle between the symmetrical axes of the two hammer heads is 180°;

The shape of the hammer head of the three-leaf sand hammer 17.2 and the flat paddle sand hammer 17.1 are exactly the same;

The surface of the hammer head of the flat paddle type sand hammer 17.1 and the three-leaf sand hammer 17.2 has a polygonal hammer with an included angle of α, α=75°; Edge hammer, the smaller the included angle, the better the crushing effect on the ore, but the faster the wear, so choose α=75°)

The flat paddle type sand hammer 17.1 and the three blade type sand hammer 17.2 of the driving transmission shaft 5 and the driven transmission shaft 3 are all connected with the drive shaft by splines;

The flat paddle type sand hammer 17.1 and the three-leaf type sand hammer 17.2 on the driving drive shaft 5 are arranged equidistantly in the vertical direction, and the flat paddle type sand hammer 17.1 and the three leaf type sand hammer 17.2 on the driven drive shaft 3 are vertically arranged. The directions are arranged at equal intervals;

The flat paddle type sand hammer 17.1 and the three-blade sand hammer 17.2 on the driving drive shaft 5 are alternately arranged with the flat paddle type sand hammer 17.1 and the three-blade sand hammer 17.2 on the driven drive shaft 3; (see figure 1)

The driven gear 2 and the driven transmission shaft 3 are combined into a driven assembly. There are 4 sets of driven assemblies. The driven assemblies are evenly distributed on the concentric circle centered on the center of the crusher barrel 16. On the driven transmission shaft 3; the four driven gears 2 are all meshed with the driving gear 4; the transmission between the driving gear 4 and the driven gear 2 is a helical cylindrical gear;

The bearing seat through cover 9 is connected with the upper bearing housing 1.1 through the bearing seat cover mounting nut 12;

The bearing seat cover 24 is connected with the lower bearing box 1.2 through the bearing seat cover mounting nut 12;

The bearing seat through cover 9 is connected with the driving transmission shaft 5 and the driven transmission shaft 3 through the gear compression nut 6 and the gear compression cover 7;

The tops of the driving transmission shaft 5 and the driven transmission shaft 3 are compressed and fixed by the gear compression nut 6 and the gear compression cover 7;

The bearing seat cover 9 is provided with a feed port 33;

The bearing block cover 24 is provided with a discharge port 26;

The crusher barrel 16 is lined with a wear-resistant lining 19, which is a cylinder composed of two semi-circular arc plates, and there is a gap of n=3mm at the combination of the arc plates;

The wear-resistant lining 19 is equipped with a wear-resistant lining to seam shock-absorbing gasket 27 in the gap between two semi-circular arc plates;

Wear-resistant liner 19 outer wall is inlaid with wear-resistant liner shock-absorbing sleeve 19.1, wear-resistant liner 19 and wear-resistant liner shock-absorbing sleeve 19.1 cross section is tooth-shaped; (add wear-resistant liner shock-absorbing sleeve 19.1, shock The effect is enhanced, the wear-resistant liner 19 and the wear-resistant liner damping sleeve 19.1 have a toothed cross section to ensure the fastness of the shock-absorbing sleeve 19.1 on the wear-resistant liner 19)

The convex wear-resistant end plate 20 is a combination of a large-diameter cylinder and a small-diameter cylinder with a "convex"-shaped cross-section. The difference between the radius of the large-diameter cylinder and the radius of the small-diameter cylinder is equal to the wear-resistant liner 19 The wall thickness of the wear-resistant liner plus the wall thickness of the shock-absorbing sleeve 19.1;

The top and bottom of the crusher barrel 16 are respectively equipped with a convex wear-resistant end plate 20. The convex wear-resistant end plate 20 on the top of the crusher barrel 16 is in an inverted "convex" shape, and the convex wear-resistant end plate 20 at the bottom is positive. "convex" shape;

The top and bottom of the crusher barrel 16 and the two convex wear-resistant end plates 20 all form an annular groove;

The groove formed by the convex wear-resistant end plate 20 and the crusher barrel 16 is equipped with a wear-resistant liner end plate shock-absorbing gasket 21;

Both ends of the wear-resistant liner 19 are embedded in the groove surrounded by the convex wear-resistant end plate 20 and the crusher barrel 16;

The inner diameter of the wear-resistant liner 19 is equal to the outer diameter of the small-diameter cylinder of the convex wear-resistant end plate 20 .

2. The multi-axis rotary hammer interlaced shearing crusher is characterized in that: each of the flat paddle type sand hammer 17.1 and the three-blade sand hammer 17.2 of the driving transmission shaft 5 and the driven transmission shaft 3 The axial positioning sleeve 18 of sand hammer is set on the intermediate shaft. (Its function is that in the process of strong sand blasting, the sand hammer 17 is firmly combined with the drive shaft to further reduce shock and noise, increase strength and prolong the life of the main components of the multi-axis rotary hammer interlaced shear crusher)

3. The multi-axis rotary hammer interlaced shear crusher is characterized in that there is a cylinder sealing gasket 14 between the top of the crusher cylinder 16 and the through cover 9 of the bearing seat. (acts as a seal and shock absorber)

4. The multi-axis rotary hammer interlaced shear crusher is characterized in that: the upper tapered roller bearing 8.1 and the lower tapered roller bearing 8.2, the upper tapered roller bearing 8.1 and the lower tapered roller bearing 8.2 are both Including inner ring, outer ring and rollers. (The bearing seat cover includes the bearing through cover 9 and the bearing cover 24. The inner ring is installed on the transmission shaft, and the outer ring is installed on the bearing seat cover. When the blade hits the ore, an axial force is generated on the transmission shaft and a radial force is also generated. , tapered roller bearing 8 can withstand radial force and axial force, strong ability to carry alternating loads, prolong bearing life)

5. The multi-axis rotary hammer interlaced shear crusher is characterized in that: the driving transmission shaft 5 and the driven transmission shaft 3 are both stepped shafts;

That is, the driving transmission shaft 5 and the driven transmission shaft 3 are cylinders with unequal diameters, the part above the driving transmission shaft 5 connected to the driving gear 4 is a thin diameter section, and the part above the driven transmission shaft 3 connected to the driven gear 2 is thin section;

The part of the driving transmission shaft 5 in the upper bearing housing 1.1 and the lower bearing housing 1.2 is the middle diameter section, and the part of the driven transmission shaft 3 in the upper bearing housing 1.1 and the lower bearing housing 1.2 is the middle diameter section;

The part of the driving transmission shaft 5 in the crusher barrel 16 is a thick-diameter section, and the part of the driven transmission shaft 3 in the crusher barrel 16 is also a thick-diameter section. (Prevent the axial movement of the active transmission shaft 5 and the driven transmission shaft 3 in the crusher barrel 16)

6. The multi-axis rotary hammer interlaced shear crusher is characterized in that: the crusher cylinder 16 is equipped with an inspection door 31, and the inspection door 31 is installed on the crusher cylinder 16 through the inspection door installation bolt 28 ;

The inspection door 31 is an arc door with the same curvature radius as the crusher barrel 16 .

7. The multi-axis rotary hammer interlaced shear crusher is characterized in that: the inner side of the inspection door 31 is equipped with an inspection door wear-resistant lining 30; the inspection door wear-resistant lining 30 passes through the inspection door wear-resistant lining to install bolts 29 Installed on the inspection door 31.

8. The multi-axis rotary hammer interlaced shear crusher is characterized in that: the joints of the driven transmission shaft 3, the driving transmission shaft 5 and the bearing seat cover 9 are equipped with sealing packing 11;

Sealing packing 11 is housed at the junction of driven transmission shaft 3, driving transmission shaft 5 and the bottom of upper bearing housing 1.1.

9. The multi-axis rotary hammer interlaced shearing crusher is characterized in that: the flat paddle sand hammer 17.1, the three-leaf sand hammer 17.2, the axial positioning sleeve 18 of the sand hammer, the convex resistant The grinding end plate 20 is made of white cast iron.

10. The multi-axis rotary hammer interlaced shear crusher is characterized in that: the wear-resistant lining 19 is made of white cast iron.

11. The section of the crusher barrel 16 is "L"-shaped, and there are ribs 22 on the right-angled sides of the "L".

12. The above-mentioned wear-resistant liner end plate damping gasket 21 and the wear-resistant liner seam-to-seam damping gasket 27 are all made of rubber.

Example 2

1. Multi-axis rotary hammer staggered shear crusher, characterized in that: multi-axis rotary hammer staggered shear crusher includes: upper bearing box 1.1, lower bearing box 1.2, driven gear 2, driven transmission shaft 3, driving gear 4. Drive shaft 5, gear compression nut 6, gear compression cover 7, upper tapered roller bearing 8.1, lower tapered roller bearing 8.2, bearing seat cover 9, sealing packing 11, bearing seat cover mounting nut 12, Cylinder sealing gasket 14, box mounting bolts 15, crusher cylinder 16, flat paddle sand hammer 17.1, three-leaf sand hammer 17.2, sand hammer axial positioning sleeve 18, wear-resistant lining 19, Shock-absorbing sleeve for grinding lining 19.1, convex wear-resistant end plate 20, shock-absorbing gasket 21 for wear-resistant lining end plate, reinforcing rib plate 22, bearing seat cover 24, discharge port 26, wear-resistant lining seam Shock absorbing gasket 27, inspection door mounting bolts 28, inspection door wear-resistant liner installation bolts 29, inspection door wear-resistant liner 30, inspection door 31, material inlet 33;

Crusher cylinder 16 is a cylindrical cylinder, the upper part of crusher cylinder 16 is equipped with upper bearing box 1.1, the lower part of crusher cylinder 16 is equipped with lower bearing box 1.2; upper bearing box 1.1 is connected with bearing seat through cover 9 , the lower bearing box 1.2 is connected with a bearing seat cover 24; (the bearing seat cover 9 and the bearing seat cover 24 bear the force transmitted by the transmission shaft and also play a sealing role,)

The bearing cover 9 and the bearing cover 24 are both circular; the upper bearing housing 1.1 is equipped with an upper tapered roller bearing 8.1, and the lower bearing housing 1.2 is equipped with a lower tapered roller bearing 8.2;

The upper bearing box 1.1 is on the upper part of the crusher barrel 16, the lower bearing box 1.2 is on the lower part of the crusher barrel 16, the upper bearing box 1.1, the lower bearing box 1.2 and the crusher barrel 16 are connected together by bolts 15;

The driving gear 4 and the driven gear 2 are all located on the top of the upper bearing housing 1.1, and the driving transmission shaft 5 and the driven transmission shaft 3 are the transmission shafts of the driving gear 4 and the driven gear 2 respectively;

Both the driving transmission shaft 5 and the driven transmission shaft 3 pass through the bearing seat cover 9, the middle part is inside the crusher barrel 16, and the bottom part is connected to the bearing seat cover 24;

The driving transmission shaft 5 and the driven transmission shaft 3 are in the middle of the crusher cylinder 16, and the driving transmission shaft 5 and the driven transmission shaft 3 are respectively equipped with flat paddle type breakers at the section above 1/2 of the height of the crusher cylinder 16. sand hammer 17.1;

The driving drive shaft 5 and the driven drive shaft 3 are respectively equipped with three-leaf sand hammers 17.2 at the section below 1/2 of the height of the crusher cylinder 16;

The three-leaf sand hammer 17.2 is in the shape of three leaves, the hammer head is axisymmetric, and the angle between the symmetrical axes of the three hammer heads is 60°;

The flat paddle type sand hammer 17.1 is flat paddle shaped, the hammer head is axisymmetric, and the angle between the symmetrical axes of the two hammer heads is 180°;

The shape of the hammer head of the three-leaf sand hammer 17.2 and the flat paddle sand hammer 17.1 are exactly the same;

The surface of the hammer head of the flat paddle type sand hammer 17.1 and the three-leaf sand hammer 17.2 has a polygonal hammer with an included angle of α, α=80°; Edge hammer, the smaller the included angle, the better the crushing effect on the ore, but the faster the wear, so choose α=80°)

The flat paddle type sand hammer 17.1 and the three blade type sand hammer 17.2 of the driving transmission shaft 5 and the driven transmission shaft 3 are all connected with the drive shaft by splines;

The flat paddle type sand hammer 17.1 and the three-leaf type sand hammer 17.2 on the driving drive shaft 5 are arranged equidistantly in the vertical direction, and the flat paddle type sand hammer 17.1 and the three leaf type sand hammer 17.2 on the driven drive shaft 3 are vertically arranged. The directions are arranged at equal intervals;

The flat paddle type sand hammer 17.1 and the three-blade sand hammer 17.2 on the driving drive shaft 5 are alternately arranged with the flat paddle type sand hammer 17.1 and the three-blade sand hammer 17.2 on the driven drive shaft 3; (see figure 1)

The driven gear 2 and the driven transmission shaft 3 are combined into a driven assembly. There are 4 sets of driven assemblies. The driven assemblies are evenly distributed on the concentric circle centered on the center of the crusher barrel 16. On the driven transmission shaft 3; the four driven gears 2 are all meshed with the driving gear 4; the transmission between the driving gear 4 and the driven gear 2 is a helical cylindrical gear;

The bearing seat through cover 9 is connected with the upper bearing housing 1.1 through the bearing seat cover mounting nut 12;

The bearing seat cover 24 is connected with the lower bearing box 1.2 through the bearing seat cover mounting nut 12;

The bearing seat through cover 9 is connected with the driving transmission shaft 5 and the driven transmission shaft 3 through the gear compression nut 6 and the gear compression cover 7;

The tops of the driving transmission shaft 5 and the driven transmission shaft 3 are compressed and fixed by the gear compression nut 6 and the gear compression cover 7;

The bearing seat cover 9 is provided with a feed port 33;

The bearing block cover 24 is provided with a discharge port 26;

The crusher barrel 16 is lined with a wear-resistant lining 19, which is a cylinder composed of two semi-circular arc plates, and there is a gap of n=5mm at the combination of the arc plates;

The wear-resistant lining 19 is equipped with a wear-resistant lining to seam shock-absorbing gasket 27 in the gap between two semi-circular arc plates;

Wear-resistant liner 19 outer wall is inlaid with wear-resistant liner shock-absorbing sleeve 19.1, wear-resistant liner 19 and wear-resistant liner shock-absorbing sleeve 19.1 cross section is tooth-shaped; (add wear-resistant liner shock-absorbing sleeve 19.1, shock The effect is enhanced, the wear-resistant liner 19 and the wear-resistant liner damping sleeve 19.1 have a toothed cross section to ensure the fastness of the shock-absorbing sleeve 19.1 on the wear-resistant liner 19)

The convex wear-resistant end plate 20 is a combination of a large-diameter cylinder and a small-diameter cylinder with a "convex"-shaped cross-section. The difference between the radius of the large-diameter cylinder and the radius of the small-diameter cylinder is equal to the wear-resistant liner 19 The wall thickness of the wear-resistant liner plus the wall thickness of the shock-absorbing sleeve 19.1;

The top and bottom of the crusher barrel 16 are respectively equipped with a convex wear-resistant end plate 20. The convex wear-resistant end plate 20 on the top of the crusher barrel 16 is in an inverted "convex" shape, and the convex wear-resistant end plate 20 at the bottom is positive. "convex" shape;

The top and bottom of the crusher barrel 16 and the two convex wear-resistant end plates 20 all form an annular groove;

The groove formed by the convex wear-resistant end plate 20 and the crusher barrel 16 is equipped with a wear-resistant liner end plate shock-absorbing gasket 21;

Both ends of the wear-resistant liner 19 are embedded in the groove surrounded by the convex wear-resistant end plate 20 and the crusher barrel 16;

The inner diameter of the wear-resistant liner 19 is equal to the outer diameter of the small-diameter cylinder of the convex wear-resistant end plate 20 .

2. The multi-axis rotary hammer interlaced shearing crusher is characterized in that: each of the flat paddle type sand hammer 17.1 and the three-blade sand hammer 17.2 of the driving transmission shaft 5 and the driven transmission shaft 3 The axial positioning sleeve 18 of sand hammer is set on the intermediate shaft. (Its function is that in the process of strong sand blasting, the sand hammer 17 is firmly combined with the drive shaft to further reduce shock and noise, increase strength and prolong the life of the main components of the multi-axis rotary hammer interlaced shear crusher)

3. The multi-axis rotary hammer interlaced shear crusher is characterized in that there is a cylinder sealing gasket 14 between the top of the crusher cylinder 16 and the through cover 9 of the bearing seat. (acts as a seal and shock absorber)

4. The multi-axis rotary hammer interlaced shear crusher is characterized in that: the upper tapered roller bearing 8.1 and the lower tapered roller bearing 8.2, the upper tapered roller bearing 8.1 and the lower tapered roller bearing 8.2 are both Including inner ring, outer ring and rollers. (The bearing seat cover includes the bearing through cover 9 and the bearing cover 24. The inner ring is installed on the transmission shaft, and the outer ring is installed on the bearing seat cover. When the blade hits the ore, an axial force is generated on the transmission shaft and a radial force is also generated. , tapered roller bearing 8 can withstand radial force and axial force, strong ability to carry alternating loads, prolong bearing life)

5. The multi-axis rotary hammer interlaced shear crusher is characterized in that: the driving transmission shaft 5 and the driven transmission shaft 3 are both stepped shafts;

That is, the driving transmission shaft 5 and the driven transmission shaft 3 are cylinders with unequal diameters, the part above the driving transmission shaft 5 connected to the driving gear 4 is a thin diameter section, and the part above the driven transmission shaft 3 connected to the driven gear 2 is thin section;

The part of the driving transmission shaft 5 in the upper bearing housing 1.1 and the lower bearing housing 1.2 is the middle diameter section, and the part of the driven transmission shaft 3 in the upper bearing housing 1.1 and the lower bearing housing 1.2 is the middle diameter section;

The part of the driving transmission shaft 5 in the crusher barrel 16 is a thick-diameter section, and the part of the driven transmission shaft 3 in the crusher barrel 16 is also a thick-diameter section. (Prevent the axial movement of the active transmission shaft 5 and the driven transmission shaft 3 in the crusher barrel 16)

6. The multi-axis rotary hammer interlaced shear crusher is characterized in that: the crusher cylinder 16 is equipped with an inspection door 31, and the inspection door 31 is installed on the crusher cylinder 16 through the inspection door installation bolt 28 ;

The inspection door 31 is an arc door with the same curvature radius as the crusher barrel 16 .

7. The multi-axis rotary hammer interlaced shear crusher is characterized in that: the inner side of the inspection door 31 is equipped with an inspection door wear-resistant lining 30; the inspection door wear-resistant lining 30 passes through the inspection door wear-resistant lining to install bolts 29 Installed on the inspection door 31.

8. The multi-axis rotary hammer interlaced shear crusher is characterized in that: the joints of the driven transmission shaft 3, the driving transmission shaft 5 and the bearing seat cover 9 are equipped with sealing packing 11;

Sealing packing 11 is housed at the junction of driven transmission shaft 3, driving transmission shaft 5 and the bottom of upper bearing housing 1.1.

9. The multi-axis rotary hammer interlaced shearing crusher is characterized in that: the flat paddle sand hammer 17.1, the three-leaf sand hammer 17.2, the axial positioning sleeve 18 of the sand hammer, the convex resistant The grinding end plate 20 is made of white cast iron.

10. The multi-axis rotary hammer interlaced shear crusher is characterized in that: the wear-resistant lining 19 is made of white cast iron.

11. The section of the crusher barrel 16 is "L"-shaped, and there are ribs 22 on the right-angled sides of the "L".

12. The above-mentioned wear-resistant liner end plate damping gasket 21 and the wear-resistant liner seam-to-seam damping gasket 27 are all made of rubber.

Claims (10)

1. Multi-axis rotary hammer interlaced shear crusher, characterized in that: multi-axis rotary hammer interlaced shear crusher includes: upper bearing box, lower bearing box, driven gear, driven transmission shaft, driving gear, driving transmission shaft , gear compression nut, gear compression cover, upper tapered roller bearing, lower tapered roller bearing, bearing seat through cover, sealing packing, bearing seat cover mounting nut, cylinder gasket, box mounting bolt, crusher barrel body, flat paddle sand hammer, three-leaf sand hammer, sand hammer axial positioning sleeve, wear-resistant lining, wear-resistant lining shock absorber, convex wear-resistant end plate, wear-resistant lining end plate Shock-absorbing gasket, ribbed plate, bearing seat cover, discharge port, wear-resistant lining to seam shock-absorbing gasket, inspection door installation bolts, inspection door wear-resistant lining plate installation bolts, inspection door wear-resistant lining, Inspection door, material inlet; The barrel of the crusher is cylindrical. The upper part of the crusher barrel is equipped with an upper bearing box, and the lower part of the crusher barrel is equipped with a lower bearing box; the upper bearing box is connected with a bearing cover, and the lower bearing box is connected with a bearing. seat cover; The bearing through cover and the bearing cover are both circular; the upper bearing box is equipped with an upper tapered roller bearing, and the lower bearing box is equipped with a lower tapered roller bearing; The upper bearing box is on the upper part of the crusher cylinder, the lower bearing box is on the lower part of the crusher cylinder, and the upper bearing box, the lower bearing box and the crusher cylinder are connected together by bolts; Both the driving gear and the driven gear are located on the top of the upper bearing box, and the driving transmission shaft and the driven transmission shaft are the transmission shafts of the driving gear and the driven gear respectively; Both the driving drive shaft and the driven drive shaft pass through the through cover of the bearing seat, the middle part is inside the crusher barrel, and the bottom part is connected to the cover of the bearing seat; The driving drive shaft and the driven drive shaft are in the middle of the crusher barrel, and the driving drive shaft and the driven drive shaft are respectively equipped with flat paddle sand hammers in the section above 1/2 of the height of the crusher barrel; The driving drive shaft and the driven drive shaft are respectively equipped with three-leaf sand hammers at the section below 1/2 of the barrel height of the crusher; The three-leaf sand hammer is in the shape of three leaves, the hammer head is axisymmetric, and the angle between the symmetrical axes of the three hammer heads is 60°; The flat paddle type sand hammer is flat paddle shaped, the hammer head is axisymmetric, and the angle between the symmetrical axes of the two hammer heads is 180°; The shape of the hammer head of the three-leaf sand hammer and the flat paddle sand hammer is exactly the same; The surface of the hammer head of the flat paddle sand hammer and the three-leaf sand hammer has a polygonal hammer with an included angle of α, α=75°～80°; The flat paddle sand hammer and three-leaf sand hammer of the driving shaft and the driven shaft are connected with the drive shaft by splines; The flat-blade sand hammers and the three-leaf sand hammers on the driving shaft are equally spaced in the vertical direction, and the flat-paddle sand hammers and the three-blade sand hammers on the driven transmission shaft are arranged at equal intervals in the vertical direction; The flat-paddle sand hammer and three-leaf sand hammer on the driving shaft are alternately arranged with the flat-paddle sand hammer and three-blade sand hammer on the driven transmission shaft; The driven gear and the driven transmission shaft are combined into a driven assembly. There are 4 sets of driven assemblies. The driven assemblies are evenly distributed on the concentric circle centered on the center of the crusher cylinder. On the shaft; the four driven gears are all meshed with the driving gear; the transmission between the driving gear and the driven gear is a helical cylindrical gear; The through cover of the bearing seat is connected with the upper bearing box through the mounting nut of the bearing seat cover; The blind cover of the bearing seat is connected with the lower bearing box through the mounting nut of the bearing seat cover; The through cover of the bearing seat is connected with the driving transmission shaft and the driven transmission shaft through the gear compression nut and the gear compression cover; The tops of the driving transmission shaft and the driven transmission shaft are compressed and fixed by the gear compression nut and the gear compression cover; There is a feed port on the through cover of the bearing seat; The stuffy cover of the bearing seat is provided with a discharge port; The barrel of the crusher is lined with a wear-resistant lining, which is a cylinder composed of two semi-circular arc plates, and there is a gap of n = 3 ~ 5mm at the combination of the arc plates; The gap between the two half-arc plates of the wear-resistant liner is equipped with a wear-resistant liner anti-seam shock-absorbing gasket; The outer wall of the wear-resistant liner is inlaid with a wear-resistant liner shock-absorbing sleeve, and the cross-section of the wear-resistant liner and the wear-resistant liner shock-absorbing sleeve is tooth-shaped; The convex wear-resistant end plate is a combination of large-diameter cylinders and small-diameter cylinders with "convex"-shaped cross-sections. The difference between the radius of the large-diameter cylinder and the radius of the small-diameter cylinder is equal to the wall of the wear-resistant liner. Thick plus the wall thickness of the wear-resistant liner shock-absorbing sleeve; A convex wear-resistant end plate is installed on the top and bottom of the crusher barrel, the convex wear-resistant end plate on the top of the crusher barrel is in an inverted "convex" shape, and the convex wear-resistant end plate at the bottom is in a positive "convex" shape; The top and bottom of the crusher barrel and two convex wear-resistant end plates are surrounded by an annular groove; The groove formed by the convex wear-resistant end plate and the crusher barrel is equipped with a wear-resistant liner end plate shock-absorbing gasket; Both ends of the wear-resistant lining are embedded in the groove surrounded by the convex wear-resistant end plate and the crusher barrel; The inner diameter of the wear-resistant liner is equal to the outer diameter of the small-diameter cylinder of the convex wear-resistant end plate. 2. The multi-axis rotary hammer interlaced shearing crusher according to claim 1, characterized in that: each of the flat paddle sand hammers and the three-leaf sand hammers of the driving drive shaft and the driven drive shaft A sand hammer axial positioning sleeve is set on the intermediate shaft. 3. The multi-axis rotary hammer interlaced shear crusher according to claim 1, characterized in that: there is a cylinder sealing gasket between the top of the crusher cylinder and the through cover of the bearing seat. 4. The multi-axis rotary hammer interlaced shear crusher according to claim 1, characterized in that: the upper tapered roller bearing and the lower tapered roller bearing, the upper tapered roller bearing and the lower tapered roller bearing are both Including inner ring, outer ring and rollers. 5. The multi-axis rotary hammer interlaced shearing crusher according to claim 1, characterized in that: the driving drive shaft and the driven drive shaft are both stepped shafts; That is, both the driving transmission shaft and the driven transmission shaft are cylinders with unequal diameters, the part of the driving transmission shaft connected to the driving gear is a thin diameter section, and the part of the driven transmission shaft connected to the driven gear is a thin diameter section; The part of the driving transmission shaft in the upper bearing box and the lower bearing box is the middle diameter section, and the part of the driven transmission shaft in the upper bearing box and the lower bearing box is the middle diameter section; The part of the driving drive shaft in the crusher barrel is a thick-diameter section, and the part of the driven drive shaft in the crusher barrel is also a thick-diameter section. 6. The multi-axis rotary hammer interlaced shear crusher according to claim 1, characterized in that: the crusher cylinder is equipped with an inspection door, and the inspection door is installed on the crusher cylinder through the inspection door mounting bolts; The access door is an arc door with the same curvature radius as the crusher barrel. 7. The multi-axis rotary hammer interlaced shear crusher according to claim 1, characterized in that: the inner side of the inspection door is equipped with a wear-resistant lining plate of the inspection door; the wear-resistant lining plate of the inspection door passes through the installation bolts Installed on the access door. 8. The multi-axis rotary hammer interlaced shear crusher according to claim 1, characterized in that: the joints of the driven transmission shaft, the driving transmission shaft and the bearing seat cover are equipped with sealing packing; The joints between the driven transmission shaft, the driving transmission shaft and the bottom of the upper bearing box are equipped with sealing packing. 9. The multi-axis rotary hammer interlaced shear crusher according to claim 1, characterized in that: the flat paddle sand hammer, the three-leaf sand hammer, the axial positioning sleeve of the sand hammer, the convex The wear-resistant end plates are made of white cast iron. 10. The multi-axis rotary hammer interlaced shear crusher according to claim 1, characterized in that: the wear-resistant lining is made of white cast iron.