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CN-224209095-U - Two cold bearing roller devices

CN224209095UCN 224209095 UCN224209095 UCN 224209095UCN-224209095-U

Abstract

The utility model discloses a secondary cooling carrier roller device which comprises a support frame, a cooling roller assembly and a cooling assembly. A cold roller assembly is arranged between the support frames, a sleeve is sleeved outside the hollow roller shaft of the cold roller assembly, the inner wall of the sleeve is connected with a V-shaped oil storage pipe through a fixing plate, and the middle part of the oil storage pipe is communicated with a connecting ring pipe and an oil delivery pipe. The two ends of the oil storage pipe are provided with a labyrinth plugging block and a built-in spring rod, and the top end of the spring rod is connected with a guiding inclined plane with a plugging piece. The sleeve both sides set up bearing and labyrinth plate, and the curved groove of heat dissipation is seted up in hollow roller outside, and rotatory union coupling sump and connecting water pipe. The device realizes automatic supply of lubricating oil through rotary centrifugal force, the guiding inclined plane accurately guides the lubricating oil to the bearing, the heat exchange is enhanced by the orbiting air flow and the heat dissipation curved groove, the cooling efficiency is improved by the water circulation system, and the labyrinth plate blocks external impurities. The self-adaptive lubricating device has the advantages of self-adaptive lubrication, high-efficiency heat dissipation, reliable sealing and the like, and can reduce oil consumption, prolong the service life and reduce the maintenance frequency.

Inventors

  • HE JIANGANG
  • ZHANG XUQING
  • YANG HONGYI

Assignees

  • 沙钢集团安阳永兴特钢有限公司

Dates

Publication Date
20260508
Application Date
20250515

Claims (7)

  1. 1. A secondary cooling carrier roller device comprises a pair of supporting frames (1); characterized by further comprising: A cooling roller assembly (2) is arranged between the two supporting frames (1), cooling assemblies (3) are arranged on the outer sides of the supporting frames (1), the cooling roller assembly (2) comprises a hollow roller shaft (201), a sleeve (202) is sleeved outside the hollow roller shaft (201), two pairs of fixing plates (203) are symmetrically and fixedly connected to the inner wall of the sleeve (202), a V-shaped oil storage pipe (204) is fixedly connected to the same pair of fixing plates (203), a connecting ring pipe (213) is fixedly connected to the middle of the two V-shaped oil storage pipes (204), and an oil conveying pipe (214) is fixedly connected to one side of the connecting ring pipe (213); The labyrinth type oil storage device comprises a V-shaped oil storage pipe (204), wherein labyrinth plugging blocks (205) are filled in the two ends of the V-shaped oil storage pipe (204), a pair of built-in spring rods (206) are arranged at the two ends of the V-shaped oil storage pipe (204), the built-in spring rods (206) are fixed on the inner wall of a sleeve (202), guide inclined planes (207) are fixedly connected to the top ends of the built-in spring rods (206), plugging pieces (208) are fixedly connected to the top parts of the guide inclined planes (207), and the plugging pieces (208) are attached to the outer sides of the end parts of the V-shaped oil storage pipe (204); The bearing (209) and the labyrinth plate (210) are symmetrically and fixedly arranged in the two sides of the sleeve (202).
  2. 2. A secondary cooling idler device according to claim 1, wherein the labyrinth seal block (205) is fixed inside a port of the V-shaped oil storage tube (204), and the guide inclined plane (207) is fixedly connected with a piston end of the built-in spring rod (206).
  3. 3. The secondary cooling carrier roller device according to claim 1, wherein a clearance hole (211) is formed in the outer portion of the hollow roller shaft (201), and a blocking nut (212) is movably embedded in the clearance hole (211).
  4. 4. A secondary cooling idler device according to claim 1, wherein the oil delivery pipe (214) is inserted into the blocking nut (212) and is in threaded connection with the connecting ring pipe (213).
  5. 5. The secondary cooling carrier roller device according to claim 1, wherein the inner side of the bearing (209) is fixedly connected with the hollow roller shaft (201), the hollow roller shaft (201) movably penetrates through the middle of a labyrinth plate (210), and the labyrinth plate (210) is located on one side, closer to the support frame (1), of the bearing (209).
  6. 6. The secondary cooling carrier roller device according to claim 1, wherein the cooling roller assembly (2) comprises rotary pipes (301) rotatably mounted at the tops of the support frames (1), the two rotary pipes (301) are respectively fixed with one end flange of the hollow roller shaft (201), a water bin (302) is fixedly connected to one side, away from the cooling roller assembly (2), of the support frames (1), the water bin (302) is sleeved outside one end of the rotary pipe (301), and a connecting water pipe (303) is fixedly connected to one side of the water bin (302).
  7. 7. The secondary cooling carrier roller device according to claim 6, wherein a heat dissipation curved groove (304) is formed on the outer side of the hollow roller shaft (201).

Description

Two cold bearing roller devices Technical Field The utility model relates to the technical field of secondary cooling carrier rollers, in particular to a secondary cooling carrier roller device. Background In the metallurgical continuous casting production process, the performance of the secondary cooling carrier roller device directly influences the quality and the production efficiency of casting blanks. The traditional carrier roller device has the technical defects that the lubricating system adopts an open structure to cause easy loss of lubricating oil, frequent manual oil supplement is needed, and a self-adaptive oil supply mechanism is lacked; The prior improved scheme attempts to optimize the sealing or cooling structure, and cannot meet urgent demands of industries on reducing lubrication oil consumption, reducing maintenance frequency and prolonging the practical service life of the bearing. A secondary idler device is provided to solve the above-mentioned problems. Disclosure of utility model The utility model aims to provide a secondary cooling carrier roller device, which solves the problems that the conventional carrier roller device provided by the background art has the technical defects that lubricating oil is easy to run off due to the adoption of an open structure, frequent manual oil supplement is needed, an adaptive oil supply mechanism is lacked, the efficiency of a heat dissipation system is low, the heat dissipation system is difficult to adapt to high-temperature working conditions and the thermal deformation is often caused, a fixed oil way exists in the structural design, the maintenance frequency is increased, and the oil is excessively consumed due to oil-gas lubrication. In order to achieve the aim, the utility model provides the following technical scheme that the secondary cooling carrier roller device comprises a pair of supporting frames; A cooling roller assembly is arranged between the two supporting frames, cooling assemblies are arranged on the outer sides of the supporting frames, each cooling roller assembly comprises a hollow roller shaft, a sleeve is sleeved outside each hollow roller shaft, two pairs of fixing plates are symmetrically and fixedly connected to the inner wall of each sleeve, the same pair of fixing plates are fixedly connected with V-shaped oil storage pipes, the middle parts of the two V-shaped oil storage pipes are fixedly connected with the same connecting annular pipe, and one side of each connecting annular pipe is fixedly connected with an oil conveying pipe; The labyrinth seal blocks are filled in the two ends of the V-shaped oil storage pipe, a pair of built-in spring rods are arranged at the two ends of the V-shaped oil storage pipe and fixed on the inner wall of the sleeve, the top ends of the built-in spring rods are fixedly connected with guide inclined planes, the top parts of the guide inclined planes are fixedly connected with seal sheets, and the seal sheets are attached to the outer sides of the end parts of the V-shaped oil storage pipe; the bearing and the labyrinth plate are symmetrically and fixedly arranged in the two sides of the sleeve. Preferably, the labyrinth plugging block is fixed inside the port of the V-shaped oil storage pipe, and the guide inclined plane is fixedly connected with the piston end of the built-in spring rod. Preferably, a clearance hole is formed in the outer portion of the hollow roll shaft, and a blocking nut is movably embedded in the clearance hole. Preferably, the oil delivery pipe is inserted into the blocking nut and is in threaded connection with the connecting ring pipe. Preferably, the inner side of the bearing is fixedly connected with a hollow roll shaft, the hollow roll shaft movably penetrates through the middle of a labyrinth plate, and the labyrinth plate is positioned on one side of the bearing, which is closer to the supporting frame. Preferably, the cold roller assembly comprises a rotary pipe rotatably arranged at the top of the support frame, the two rotary pipes are respectively fixed with one end flange of the hollow roller shaft, a water sump is fixedly connected to one side of the support frame away from the cold roller assembly, the water sump is sleeved outside one end of the rotary pipe, and a connecting water pipe is fixedly communicated with one side of the water sump. Preferably, a heat dissipation curved groove is formed in the outer side of the hollow roll shaft. Compared with the prior art, the self-adaptive lubricating system driven by centrifugal force and the cavity airflow circulating heat dissipation structure of the secondary cooling carrier roller device have the advantages that accurate self-supply and efficient heat exchange of lubricating oil are realized, the maintenance requirement is remarkably reduced, and the service life is prolonged, and the secondary cooling carrier roller device comprises the following concrete contents: 1. Under the action of centrif