CN220277866U - Core rod circulation stepping Liang Gunlun connecting device - Google Patents

Abstract

The utility model discloses a mandrel circulation stepping Liang Gunlun connecting device which comprises a roller base, wherein rollers are arranged at the top of the roller base and are in two rows of symmetrical structures, a mandrel is arranged above the two rows of rollers, a cooling mechanism is arranged above the mandrel, a roller supporting seat is arranged at the bottom of the roller base, a walking beam is arranged between two adjacent rollers, a supporting seat base is arranged at the bottom of the walking beam, a motor is arranged at one side of the roller base, the walking beam is in transmission connection with the motor, and the walking beam is connected with the rollers through shafts. The utility model changes the connection of the roller and the shaft into the end face tooth structure by arranging a series of structures, can increase the contact area to ensure that the roller is uniformly stressed, reduce the damage caused by concentrated stress of the flat key, ensure the concentricity of the roller and the shaft, and solve the problem that the flat key is extremely easy to wear in the use process due to heavier weight of the core rod when the roller flat key is connected, and the core rod shakes due to the change of the connection of the roller and the shaft.

Description

Core rod circulation stepping Liang Gunlun connecting device

Technical Field

The utility model relates to the technical field of core rod circulation in seamless steel tube production, in particular to a connecting device for core rod circulation stepping Liang Gunlun.

Background

The core rod circulation system is an important component of a continuous rolling pipe unit in the production of hot rolled seamless steel pipes, and the process aims to prolong the service life of the core rod, so that the steel pipes subjected to continuous rolling have good inner surface quality, and meanwhile, the stability of the rolling process is ensured through graphite lubrication.

Because the weight of the core rod is heavier, the working environment is bad, and the roller is installed on the roller base and connected by the flat key, the roller and the shaft are connected to change to generate the core rod shake due to the fact that the flat key is concentrated in stress and is easy to wear in the use process.

Disclosure of Invention

The utility model aims to provide a mandrel circulation stepping Liang Gunlun connecting device, which solves the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a plug circulation step Liang Gunlun connecting device, includes the gyro wheel base, the top of gyro wheel base is equipped with the gyro wheel, the gyro wheel is two rows of symmetrical structure settings, two rows the top of gyro wheel is equipped with the plug, the plug top is equipped with cooling body, the bottom of gyro wheel base is equipped with the gyro wheel supporting seat, adjacent two be equipped with the walking beam between the gyro wheel, the bottom of walking beam is equipped with the supporting seat base, one side of gyro wheel base is equipped with the motor, the walking beam is connected with motor drive, the walking beam passes through the axle and is connected with the gyro wheel.

Preferably, the circumference of the walking beam is provided with an end face tooth structure, and the roller and the shaft are connected through the end face tooth structure.

Preferably, the rollers at two opposite sides of the mandrel rotate in opposite directions, and each row of rollers is provided with a plurality of rollers.

Preferably, the outer surface of the roller is of a smooth surface structure, and the outer surface of the roller is provided with a wear-resistant coating.

Preferably, the cooling mechanism comprises a water pipe and a spray head, the water pipe is arranged right above the middle of the two rows of rollers, and a plurality of spray heads distributed at equal intervals are arranged at the bottom of the water pipe.

Preferably, the cooling mechanism further comprises a collecting water tank, and the supporting seat base and the roller supporting seat are arranged in the collecting water tank.

Compared with the prior art, the utility model has the beneficial effects that:

this plug circulation step Liang Gunlun connecting device, through walking beam and the gyro wheel that sets up, be terminal surface tooth structure setting on the periphery of walking beam, now change the gyro wheel with the connection of axle into terminal surface tooth structure, can increase area of contact and make the gyro wheel atress even, reduced the flat key atress concentrated and damage, guaranteed the concentricity of gyro wheel and axle moreover, solved because the plug weight is heavier, the abominable gyro wheel of operational environment installs the flat key connection of using on the gyro wheel base in addition, the flat key is very easy wearing and tearing in the use, leads to gyro wheel and the axle to be connected and change the problem that produces the plug shake.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of a roller structure according to the present utility model;

fig. 3 is a schematic structural view of a walking beam according to the present utility model.

In the figure: 1. a motor; 2. a core rod; 3. a roller; 4. a support base; 41. a roller support seat; 6. a roller base; 7. a walking beam; 8. a shaft; 9. a water pipe; 10. a spray head.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Examples

As shown in fig. 1 to 3, the connecting device for the mandrel circulation stepping Liang Gunlun in this embodiment includes a roller base 6, rollers 3 are arranged at the top of the roller base 6, the rollers 3 are arranged in two rows of symmetrical structures, a mandrel 2 is arranged above the rollers 3, a cooling mechanism is arranged above the mandrel 2, a roller supporting seat 41 is arranged at the bottom of the roller base 6, a walking beam 7 is arranged between two adjacent rollers 3, a supporting seat base 4 is arranged at the bottom of the walking beam 7, a motor 1 is arranged at one side of the roller base 6, the walking beam 7 is in transmission connection with the motor 1, the walking beam 7 is connected with the rollers 3 through a shaft 8, the connection between the rollers 3 and the shaft 8 is changed into an end face tooth structure, the contact area can be increased, the stress of the rollers 3 is uniform, the stress concentration of the flat keys is reduced, the damage is ensured, the concentricity of the rollers 3 and the shaft 8 is ensured, the problem that the mandrel 2 is easily worn out due to the fact that the weight of the mandrel 2 is heavy, the roller 3 is mounted on the roller base 6, the flat keys are easily worn in the use process, and the connection between the rollers 3 and the shaft 8 is easy to shake in the use process.

Specifically, the circumference of the walking beam 7 is provided with an end face tooth structure, the roller 3 is connected with the shaft 8 through the end face tooth structure, and the contact area is increased to enable the roller 3 to be stressed uniformly.

Further, the rollers 3 on two opposite sides of the mandrel 2 rotate in opposite directions, each row of rollers 3 is provided with a plurality of rollers, and the two rows of rollers 3 rotating in opposite directions circularly rotate the mandrel 2.

Further, the outer surface of the roller 3 is of a smooth surface structure, a wear-resistant coating is arranged on the outer surface of the roller 3, and the roller 3 is small in smooth friction and good in wear resistance.

Further, the cooling mechanism comprises a water pipe 9 and a spray head 10, the water pipe 9 is arranged right above the middle of the two rows of rollers 3, and a plurality of spray heads 10 which are distributed at equal intervals are arranged at the bottom of the water pipe 9 and are used for cooling by spraying water to the core rod 2.

Still further, the cooling mechanism further comprises a water collecting tank, the supporting seat base 4 and the roller supporting seat 41 are both arranged in the water collecting tank, and the water sprayed by the spray nozzle 10 is collected in the water collecting tank.

The application method of the embodiment is as follows: the two rows of rollers 3 take a core rod 2 as a central shaft 8 to be symmetrically arranged, the core rod 2 is positioned on the two rows of rollers 3, the core rod 2 is driven to rotate and circulate by the opposite rotation of the two rows of rollers 3, then the core rod 2 enters the next working position by a step Liang Bu, one side of a walking beam 7 is provided with a row of motors 1 for providing power for the two rows of rollers, a connecting shaft 8 of the rollers 3 rotates around the shaft 8 and is positioned on a roller base 6, the walking beam 7 and the roller base 6 are respectively arranged on a supporting base 4 and a roller supporting base 41, a water pipe 9 is connected with a water supply pump and a water supply tank, and the core rod 2 is sprayed with water by a spray head 10 for cooling.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (6)

1. The utility model provides a plug circulation step Liang Gunlun connecting device, includes gyro wheel base (6), its characterized in that: the top of gyro wheel base (6) is equipped with gyro wheel (3), gyro wheel (3) are two rows of symmetrical structure settings, two rows the top of gyro wheel (3) is equipped with plug (2), plug (2) top is equipped with cooling body, the bottom of gyro wheel base (6) is equipped with gyro wheel supporting seat (41), adjacent two be equipped with walking beam (7) between gyro wheel (3), the bottom of walking beam (7) is equipped with supporting seat base (4), one side of gyro wheel base (6) is equipped with motor (1), walking beam (7) are connected with motor (1) transmission, walking beam (7) are connected with gyro wheel (3) through axle (8).

2. The mandrel circulation stepping Liang Gunlun connection apparatus of claim 1, further comprising: the circumference of the walking beam (7) is provided with an end face tooth structure, and the roller (3) is connected with the shaft (8) through the end face tooth structure.

3. The mandrel circulation stepping Liang Gunlun connection apparatus of claim 1, further comprising: the rollers (3) on two opposite sides of the core rod (2) rotate in opposite directions, and a plurality of rollers (3) are arranged in each row.

4. The mandrel circulation stepping Liang Gunlun connection apparatus of claim 1, further comprising: the outer surface of the roller (3) is of a smooth surface structure, and the outer surface of the roller (3) is provided with a wear-resistant coating.

5. The mandrel circulation stepping Liang Gunlun connection apparatus of claim 1, further comprising: the cooling mechanism comprises a water pipe (9) and spray heads (10), the water pipe (9) is arranged right above the middle of the two rows of rollers (3), and a plurality of spray heads (10) distributed at equal intervals are arranged at the bottom of the water pipe (9).

6. The mandrel circulation stepping Liang Gunlun connection apparatus of claim 5, wherein: the cooling mechanism further comprises a collecting water tank, and the supporting seat base (4) and the roller supporting seat (41) are arranged in the collecting water tank.