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CN-224225988-U - High-stability high-temperature-resistant cantilever roller structure

CN224225988UCN 224225988 UCN224225988 UCN 224225988UCN-224225988-U

Abstract

The utility model discloses a high-stability high-temperature-resistant cantilever roller structure, which relates to the technical field of cantilever rollers and comprises a roller shaft, a roller sleeve and a supporting seat, wherein the roller shaft comprises a core shaft and a heat insulation layer coated outside the core shaft, the core shaft is of a hollow structure, high-temperature-resistant ceramic particles are filled inside the core shaft, reinforcing ribs are fixedly arranged in the hollow part of the core shaft, the roller sleeve is sleeved on the roller shaft, the supporting seat is used for supporting the roller shaft, and two groups of supporting seats are arranged. According to the utility model, the mandrel is of a hollow structure, high-temperature resistant ceramic particles are filled in the mandrel, the design can effectively reduce the thermal expansion coefficient of the roll shaft and improve the thermal shock resistance of the roll shaft, the hollow part of the mandrel is fixedly provided with the spiral reinforcing ribs, the reinforcing ribs can improve the torsion resistance and the bending resistance of the roll shaft, the roll shaft can still keep a good working state under high-load and high-temperature environments, and the supporting seat realizes the function of adjusting the angle of the roll shaft through the cooperation of the air cylinder, the base plate, the supporting seat and other parts.

Inventors

  • ZHANG HEPING

Assignees

  • 南京卓越机械设备制造有限公司

Dates

Publication Date
20260512
Application Date
20250613

Claims (8)

  1. 1. A high stability high temperature resistant cantilevered roll structure comprising: The roller shaft (1), the roller shaft (1) comprises a core shaft (101) and a heat insulation layer coated outside the core shaft (101), the core shaft (101) is of a hollow structure, high-temperature resistant ceramic particles are filled in the core shaft (101), and reinforcing ribs (102) are fixedly arranged in the hollow part of the core shaft (101); The roller sleeve (2) is sleeved on the roller shaft (1); The support seat (3), supporting seat (3) are used for supporting roller (1), supporting seat (3) are provided with two sets of, including chassis (301), protection frame (302), cylinder (303), backing plate (304), frame plate (305) and bearing frame (306), the piston rod end of cylinder (303) with backing plate (304) bottom fixed connection, backing plate (304) top fixed mounting has support (307), frame plate (305) bottom fixed mounting has support (308), support (307) with be articulated between support (308), bearing frame (306) fixed mounting is in frame plate (305) top, roller (1) both ends respectively with both sides bearing frame (306) are connected.
  2. 2. The high-stability high-temperature-resistant cantilever roller structure according to claim 1, wherein the mandrel (101) is made of a high-temperature-resistant alloy material.
  3. 3. The high-stability high-temperature-resistant cantilever roller structure according to claim 1, wherein the heat insulation layer is made of high-temperature-resistant ceramic fiber materials and is connected with the mandrel (101) through a high-temperature adhesive.
  4. 4. The high-stability high-temperature-resistant cantilever roller structure according to claim 1, wherein the particle size of the high-temperature-resistant ceramic particles is 1-3mm, and the filling rate is 50% -70% of the inner space of the mandrel (101).
  5. 5. The high-stability high-temperature-resistant cantilever roller structure according to claim 1, wherein the reinforcing ribs (102) are made of high-temperature-resistant alloy, the thickness is 2-5mm, and the interval is 10-20mm.
  6. 6. The high-stability high-temperature-resistant cantilever roller structure according to claim 1, wherein the roller sleeve (2) comprises an inner layer and an outer layer, the inner layer is made of a high-nickel alloy material, the outer layer is made of a high-temperature-resistant and wear-resistant ceramic material, and the inner layer and the outer layer are connected in a welding mode.
  7. 7. The high-stability high-temperature-resistant cantilever roller structure according to claim 1, wherein a protective frame (302) of the supporting seat (3) is fixedly arranged at the top of the underframe (301), and the air cylinder (303) is arranged in the protective frame (302).
  8. 8. The high-stability high-temperature-resistant cantilever roller structure according to claim 1, wherein the high-stability high-temperature-resistant cantilever roller structure further comprises a cooling device (4), the cooling device (4) comprises a water inlet pipeline (401) and a nozzle (402), the nozzle (402) is obliquely arranged towards the roller sleeve (2), and a spiral diversion trench (5) is formed in the outer surface of the roller sleeve (2).

Description

High-stability high-temperature-resistant cantilever roller structure Technical Field The utility model relates to the technical field of cantilever rollers, in particular to a high-stability high-temperature-resistant cantilever roller structure. Background Cantilever rollers are widely applied to various scenes in industrial production, particularly in industries such as metallurgy, mines, building materials and the like, and are used as important supporting and conveying components, so that the cantilever rollers play a key role in conveying materials, processing and smooth operation of production flows. However, the conventional cantilever roller structure has various problems in a high-temperature environment, such as high thermal expansion coefficient, easy deformation of the roller shaft, influence on stability and precision, and meanwhile, the cantilever roller has the problems of insufficient torsion resistance, poor bending resistance and the like in a high-load and high-temperature environment, so that service life and working reliability of the cantilever roller are influenced. The present device was invented by studying the above problems. Disclosure of utility model In order to overcome the above-mentioned drawbacks of the prior art, the present utility model provides a high-stability high-temperature-resistant cantilever roller structure to solve the above-mentioned problems in the prior art. In order to achieve the above purpose, the utility model provides a high-stability high-temperature-resistant cantilever roller structure, which comprises the following steps: The roll shaft comprises a mandrel and a heat insulation layer coated outside the mandrel, the mandrel is of a hollow structure, high-temperature resistant ceramic particles are filled in the mandrel, and reinforcing ribs are fixedly arranged in the hollow part of the mandrel; The roller sleeve is sleeved on the roller shaft; The support base is used for supporting the roll shaft, the support base is provided with two groups, the support base comprises a bottom frame, a protection frame, an air cylinder, a base plate, a frame plate and bearing seats, the tail end of a piston rod of the air cylinder is fixedly connected with the bottom of the base plate, a support is fixedly arranged at the top of the base plate, a support is fixedly arranged at the bottom of the base plate, the support is hinged with the support, the bearing seats are fixedly arranged at the top of the base plate, and the two ends of the roll shaft are respectively connected with the bearing seats at the two sides. Furthermore, the mandrel is made of high-temperature resistant alloy materials. Furthermore, the heat insulation layer is made of high-temperature-resistant ceramic fiber materials and is connected with the mandrel through a high-temperature adhesive. Further, the grain diameter of the high temperature resistant ceramic grains is 1-3mm, and the filling rate is 50-70% of the inner space of the mandrel. Further, the reinforcing ribs are made of high-temperature resistant alloy, the thickness is 2-5mm, and the spacing is 10-20mm. Further, the roller sleeve comprises an inner layer and an outer layer, wherein the inner layer is made of a high-nickel alloy material, the outer layer is made of a high-temperature-resistant and wear-resistant ceramic material, and the inner layer and the outer layer are connected in a welding mode. Further, the protection frame of supporting seat is fixed mounting at the chassis top, and the cylinder setting is in the protection frame. Further, the high-stability high-temperature-resistant cantilever roller structure further comprises a cooling device, the cooling device comprises a water inlet pipeline and a nozzle, the nozzle is obliquely arranged towards the roller sleeve, and a spiral diversion trench is arranged on the outer surface of the roller sleeve. Compared with the prior art, the utility model has the beneficial effects that: According to the utility model, the mandrel is of a hollow structure, high-temperature resistant ceramic particles are filled in the mandrel, the design can effectively reduce the thermal expansion coefficient of the roll shaft, meanwhile, the thermal shock resistance of the roll shaft is improved, the stability of the roll shaft is further enhanced, the spiral reinforcing ribs are fixedly arranged in the hollow part of the mandrel, the torsion resistance and the bending resistance of the roll shaft can be improved, the overall stability of the roll shaft is enhanced, the roll shaft can still keep a good working state under high-load and high-temperature environments, the supporting seat is matched with the components such as the air cylinder, the base plate, the support and the frame plate, the function of adjusting the angle of the roll shaft is realized, when the roll shaft is inclined, an operator can adjust the air cylinder at the corresponding position according to the inclination angle, t