KR20020012788A - An assembly for checking and repairing the wheel bearing of the roll chock - Google Patents

Abstract

PURPOSE: An assembly for checking and repairing the wheel bearing of the roll chock is provided which prevents stopping of rolling operation by improving checking and maintenance accuracy of the wheel bearings, and prevents occurrence of safety accidents by automatically maintaining the wheel bearings requiring precise inserting. CONSTITUTION: In an assembly which is equipped with a base(4) and checks and maintains wheel bearings that are positioned at the lower part of chokes rotationally supporting both ends of a roll, and comprise spacers and inner lacers sequentially inserted onto shafts of the chokes, housings mounted by interposing bearings on the outer circumferential surfaces of the inner lasers and caps coupled to the housings by external coupling members, the assembly for checking and maintaining the wheel bearings in the chokes of the roll is characterized in that a transfer passage is formed in the base(4) so as to transfer a resting stand(5) on which the chokes are rested, and dismantling tools are sequentially equipped at both sides of the transfer passage so as to dismantle the caps of the wheel bearings, the housings, the spacers and the inner lacers while the resting stand(5) is moved along the transfer passage.

Description

An assembly for checking and repairing the wheel bearing of the roll chock}

The present invention relates to a device for inspecting and maintaining a wheel bearing of a rolling roll choke supporting both ends of a rolling roll used for rolling a steel sheet, and more particularly, a wheel of a rolling roll choke used in a roll replacement work for a rolling operation. The present invention relates to an inspection and automatic maintenance device for a rolled roll choke wheel bearing that can automatically perform maintenance work such as inspection and replacement of bearings.

In general, in the rolling line for rolling a steel sheet, a plurality of rolling rolls 1 are provided in the transverse direction in the traveling direction (arrow direction) of the steel sheet S, and as shown in FIG. Both ends of the) are supported by the choke 2, and a wheel bearing 3 for adjusting the position of the choke in the transverse direction with respect to the advancing direction of the steel plate is provided at the lower part of the choke 2.

This wheel bearing 3, as shown in Fig. 2, a flat entrance housing 3-4, which is assembled to the shaft 3-2 of the choke 2, and an exit housing in which a rail stopper is machined (not shown). Has On the other hand, if a flaw occurs on the surfaces of the inner racers 3-8, the spacers 3-9 and / or the bearings 3-6 constituting the wheel bearing 3 or the end of their lifespan, the worker may remove them. Must be replaced.

That is, in order to replace or maintain the wheel bearing (3), the operator places the choke-rolled rolling roll on a suitable rest platform and disassembles the bolt (3-10) by hand to dismantle the cap (3-3) , Disassembly of housing 3-4 and bearings 3-6, and disassembly of inner racer 3-8 and spacers 3-9, and after checking or replacing the necessary components, assemble them in reverse order. Thus, the maintenance work of the wheel bearing 3 is completed.

On the other hand, in order to confirm the abnormality of the wheel bearing (3), the operator must manually turn the wheel bearing (3) to determine whether it is damaged or not by hearing. In this process, since the worker disassembles and assembles the wheel bearing 3 manually, it is difficult to perform precise work with almost no gap, and the operator lifts various parts of the wheel bearing by hand and fits only by the sense of hand. Since the work is performed, there is a high risk of safety accidents such as stenosis or collision of the worker's fingers during the work.

In addition, the inspection of the wheel bearings is entirely dependent on the operator's hearing, so when the accuracy of the work decreases and the damaged wheel bearings are introduced into the mill stand, the rolling rolls are stopped by the rolling rolls in the middle of the pulling or withdrawing operations. The problem is that it does not.

The present invention has been made to solve the problems as described above, an object of the present invention to provide a device that can easily perform the inspection and maintenance work of the wheel bearing of the rolling roll choke.

Another object of the present invention is to improve the accuracy of the work when the wheel bearing of the rolling roll choke, and to prevent the interruption of the stand rolling operation due to the poor inspection and maintenance, and also the wheel that requires precise fitting Automatic maintenance of the bearings improves the accuracy of the work, improves the work efficiency, and checks the wheel bearings of the rolled roll chocks, which can prevent the risk of safety accidents because the operator does not carry out the work by hand. And to provide a maintenance device.

1 is a view showing a state in which choke supports both ends of a general rolling roll.

Figure 2 is an exploded perspective view showing the components of the wheel bearing mounted on the choke.

Figure 3 is a perspective view schematically showing an inspection and maintenance device of a wheel bearing according to an embodiment of the present invention.

Figure 4 is a perspective view showing the base of the inspection and maintenance device of the wheel bearing according to an embodiment of the present invention.

Figure 5 is a perspective view of the choke set in accordance with an embodiment of the present invention.

Figure 6 (a) is an exploded perspective view showing a wheel bearing check device installed in the choke set according to an embodiment of the present invention, Figure 6 (b) is an exploded perspective view showing a wheel bearing measuring device.

Figure 7 is an exploded perspective view showing a cap maintenance device according to an embodiment of the present invention.

8 is an exploded perspective view showing a bearing and housing disassembly apparatus according to an embodiment of the present invention.

Figure 9 is an exploded perspective view showing a spacer and the inner racer maintenance apparatus according to an embodiment of the present invention.

10 is a side view showing an inspection state of a wheel bearing;

11 is a side view showing an exploded working state of the cap.

12 is a side view showing an exploded working state of the bearing and the housing.

Fig. 13 is a side view showing the disassembly operation state of a spacer and an inner racer.

<Explanation of Signs of Major Parts of Drawings>

2: choke

3: Wheel bearing

4: Base

5: choke set

6: Wheel bearing check device

7: cap maintenance device

8: bearing and housing maintenance device

9: spacer and inner racer maintenance device

In order to achieve the object as described above, the wheel bearing inspection and maintenance device according to the present invention is located in the lower portion of the choke rotatably supporting both ends of the rolling roll, the spacer and the inner racer that are sequentially inserted on the shaft of the choke Has a housing mounted on an outer circumferential surface of the inner racer via a bearing, and has a base for inspecting and maintaining a wheel bearing having a cap fastened by a fastening member on the outside thereof, wherein the choke includes: A transport path for transporting a seating seat to be seated is formed, and a disassembly facility for disassembling a cap, a housing, a spacer, and an inner racer of the wheel bearing while the seating table moves along the transport path is provided. It is characterized by being provided sequentially on both sides thereof.

Hereinafter, with reference to the accompanying drawings illustrating a wheel bearing inspection and maintenance device of the rolling roll choke according to an embodiment of the present invention as follows, the same components are denoted by the same reference numerals.

Referring to Figure 3, the wheel bearing inspection and maintenance device of the rolling roll choke according to an embodiment of the present invention is a base (4) and the rolling roll (1) to transfer the rolling roll (1) and is equipped with various accessory parts Cap maintenance device that maintains the choke restraint (5) that holds the choke (2), the wheel bearing checker (6) that checks for abnormality of the wheel bearing (3), and the cap (3-3) of the wheel bearing. (7), bearing and housing maintenance device (8) for servicing the housing with bearings (3-6) assembled, spacer (3-9) and inner racer (3-8) of wheel bearing (3) It consists of a spacer and the inner racer maintenance device (9).

As shown in FIG. 4, the base 4 processes the choke settling transfer path 4-6 at the center of the main body 4-1, and the bearing is placed on the choke settling transfer path 4-6. The screw 4-3 is assembled through 4-4, and one end of the screw 4-3 is connected to the motor 4-2. On both sides of the choke rest, the wheel bearing checker inserts (4-5) and the screw inserts (4-7, 4-8, 4-9, 4-10) are machined symmetrically on both sides of the choke rest. The blocks 4-11 and 4-12 are assembled and the inner racer and the spacer collection box 4-13 are processed.

On the other hand, the choke stand 5 mounted on the choke stand conveying path 4-6 processed at the center of the base 4 can firmly set the choke 2 as shown in FIG. It is manufactured so that the screw insertion hole 5-1 through which the screw 4-3 is inserted is machined in the center lower part.

The wheel bearing checker 6 inserted into the wheel bearing checker insert 4-5 of the base has a driving roller inserter 6-15 and a rotating roller inserter 6 as shown in FIG. 14 and the main body 6-1 on which the measuring pin discharge ports 6-16 are processed. Wheel bearing measuring means inserted into the measuring pin discharge port (6-16), as shown in Figure 6 (b), measuring pin moving hole (6-8) on one side of the cylindrical inspection sensor housing (6-7) ) And assemble the inspection sensor 6-11 in the state that it is elastically supported by the spring 6-9 therein, and then fix the lower end of the inspection sensor with the cover 6-10, 6-11) is manufactured by assembling the measuring pins 6-12 on the sides.

Further, the motor 6-6 is assembled to the drive roller 6-4 inserted into the drive roller insertion hole 6-15 through the pillow bearing 6-5, and such a drive roller 6-4. And rotary rollers 6-3 are assembled to the insertion holes 6-14 and 6-15, respectively, and then inserted into the wheel bearing check device insertion holes 4-5 of the base 4 and the cylinder 6 at the lower end thereof. -2) Install.

As shown in FIG. 7, the cap maintenance device 7 mounted on the base 4 processes a screw insertion hole in the center and both sides of the base 7-1, and the screw insertion hole on both sides of the motor includes a motor ( 7-5) and screw (7-7) are assembled with bearing block (7-6), screw (7-7) with screw inlet (7-12) of feed block (7-8), It is manufactured by assembling the stopper 7-10 coupled with the cylinder 7-9 to the transfer block 7-8. In the center screw insert, the motor (7-2) is assembled with the screw (7-4) through the bearing block (7-3) and the transfer block (7-13) is screwed through the screw insert (7-14). -4), and then insert the motor (7-15) to the top of the transfer block (7-13), and assemble the rotating plate (7-16) with the motor (7-15). Then, three motor insertion holes 7-19 are machined in the same manner as the bolt holes of the cap 3-3 (see FIG. 2), the motor 7-18 is inserted, and then the motor 7-18 and the inside thereof are machined. Assemble the socket wrench (7-17) with the inner diameter equal to the outer diameter of the fixing bolt (3-10; see Fig. 2) in which the hexagon wrench is embedded.

Referring to FIG. 8, the bearing and housing maintenance device 8 includes screws 8-8 and 8-16 in the screw inserts 4-7 and 4-8 of the base 4 (see FIG. 3). 8-7 and 8-17, respectively, assembled and inserted, and then the transfer blocks 8-6 and 8-15 are assembled with the screws 8-8 and 8-16, and the transfer blocks 8-6 and 8 -15) Assemble and insert the cylinders (8-9, 8-18) with the stoppers (8-10, 8-19) inside. Assembling the fixed block (8-5) and the rotary block (8-3) with the motor (8-4) inserted between the transfer block, and the block (8-2) with the supporter (8-1) is assembled to the rotating block Assemble with (8-3), and install the collection container 8-11 in which the block 8-13 in which the stopper 8-14 was assembled is inserted into the block insertion opening 8-12.

On the rear side, a housing storage device assembled with a fixed block (8-23) into which the rotating block (8-21) is assembled with the storage stand (8-20) is inserted into the motor (8-22).

Referring to FIG. 9, the spacer and inner racer maintenance device 9 includes a screw 9-3 in the screw insertion holes 4-9 and 4-10 of the base 4 and the motor 9-2. And insert the transfer block (9-1) with the screw (9-3), then assemble the cylinder (9-4) with the transfer block (9-1), the cylinder (9-4) Assemble the stoppers (9-5, 9-6). At the end of the transfer of the screw (9-3), the rotary block (9-9), in which the spacer holder (9-11) and the inner racer holder (9-10) are assembled, is fixed to the motor (9-8). Assemble and install with (9-7).

An operation panel 10 (see Fig. 3) for operating various motors and cylinders is provided.

The wheel bearing inspection and maintenance device for the rolled roll chocks configured as described above is placed in the choke support 5 with the rolled roll 1 with the choke 2 assembled thereon, as shown in FIGS. 6 and 10. After transferring the choke rests 5 so that the wheel bearing 3 is between the rotating roller 6-3 and the driving roller 6-4 of the wheel bearing checker 6, the driving roller and the rotating roller After raising the cylinder 6-2 so that the inspection sensor 6-11 contacts the wheel bearing 3, the motor 6-6 is driven to rotate the drive roller 6-4. 6-4), the rotary roller 6-3, and the wheel bearing 3 rotate, and the inspection sensor 6-11 in contact with the wheel bearing is applied to the spring 6-9 according to the vibration of the wheel bearing. When the vibration is transmitted, and the vibration is transmitted to the spring 6-9, the measuring pins 6-12 are moved up and down to determine the abnormality of the wheel bearing through the gauge 6-17.

When an abnormality occurs in the wheel bearing 3 and maintenance is required, as shown in FIGS. 7 and 11, the choke rest 5 is transferred so that the center of the wheel bearing 3 is the center of the cap maintenance device 7. After centering, drive the motor (7-5), transfer the transfer block (7-8) to the wheel bearing through the screw (7-7) to the stopper (7-) in the center of the side of the cap (3-3) 10, 7-11 are positioned and the cylinders 7-9 are advanced so that the stoppers 7-10, 7-11 support the cap 3-3.

When the stoppers 7-10 and 7-11 support the cap 3-3 (see Fig. 2), the transfer block 7-13 assembled with the screw 7-4 by driving the motor 7-2. Position the rotary plate (7-16) in front of the fixing bolt (3-10) of the cap (3-3), and then match the socket wrench (7-17) with the position of the fixing bolt (3-10). Drive the motor (7-15) so that the transfer block (7-13) is again battery-powered so that the fixing bolt (3-10) is inserted into the socket wrench (7-17). Is inserted into the fixing bolt (3-10).

When the motor 7-18 is driven, the fixing bolts 3-10 are dismantled and the fixing bolts are fixed in the socket wrench 7-17.

When the fixing bolts are dismantled, the transfer block 7-8 is reversed and the transfer block 7-13 equipped with the stoppers 7-10 and 7-11 holding the cap 3-3 is reversed. The stoppers 7-10 and 7-11 retreat while the cap 3-3 is biting, and the cap 3-3 is dismantled.

When disassembly of the cap 3-3 is completed, the choke rest 5 is transferred so that the center of the wheel bearing 3 coincides with the center of the bearing and housing maintenance device 8, and then as shown in FIG. Similarly, the cylinder 8-2 is advanced to bring the supporter 8-1 into close contact with the wheel bearing shaft 3-2 (see FIG. 2), and the motor 8-7 is driven to feed the transfer block 8-6. ), The stopper 8-10 is positioned on the inner surface of the wheel bearing 3, and then the cylinder 8-9 is raised so that the stopper is positioned on the side of the wheel bearing 3. Then, when the transfer block 8-6 is reversed, the bearing 3-6 and the housing 3-4 of the wheel bearing 3 are inserted into the support 8-1.

When the rotary block 8-3 is rotated by driving the motor 8-4, the cylinder 8-2 rotates in the direction of the arrow, and the cylinder is retracted again so that it is located at the top of the collection container 8-11. Next, the cylinder 8-13 embedded in the collection box is raised so that the stopper 8-14 is located at the rear of the wheel bearing, and when the cylinder 8-2 is reversed, the wheel bearing 3 is collected (8). Collected in -11).

9 and 13, the choke rest 5 is transferred so that the center of the wheel bearing 3 coincides with the center of the spacer and inner racer maintenance device 9, and then the motor 9-2. ), The transfer block 9-14 is positioned at the center of the side of the inner racer 3-8 of the wheel bearing 3 through the screw 9-3, and the cylinder 9-4 is advanced. The stoppers 9-5 and 9-6 bit the inner racers 3-8 on both sides, and then again move the transfer block 9-1 to the top of the collection container 4-13. In this state, when the cylinder 9-4 is reversed, the inner racer 3-8 is collected in the collection bin 4-13.

On the other hand, the spacer 3-9 is also removed in the same manner as the inner racer 3-8. In order to assemble the various parts of the wheel bearing 3, the corresponding parts must be assembled in the reverse order of disassembly. First, the spacers 3-9 are assembled.

That is, the rotary block 9-9 is rotated by the motor 9-8 to rotate the spacer holder 9-11 in which the spacer 3-9 is stored to the choke 2 side, and then the transfer block 9- 9. Advance the cylinder 9-4 of 1) so that the spacers 3-9 are bitten by the stoppers 9-5 and 9-6, and then advance the transfer block 9-1. The spacer 3-9 having the same center as the axis 3-2 of is assembled to the axis 3-2.

The cylinder 9-4 is retracted to assemble the inner racer 3-8 in the manner described above so that the inner racer holder 9-10 is located on the choke side and then assembled to the shaft 3-2.

Drive the motor (8-22) to the storage stand (8-20) in which the bearing (3-6) and the wheel bearing (3) assembled with the oil chamber (3-7) are stored in the housing (3-4). Rotate (8-21) to face choke (2). After this, the cylinder 8-2 is advanced to bring the supporter 8-1 into close contact with the holder 8-20, and then the motor 8-17 is driven to transfer the block through the screw 8-16. (8-15) is placed on the rear of the rack (8-20), and then the cylinder (8-18) is lifted so that the stopper (8-19) is located on the rear of the wheel bearing.

At this time, when the conveying block is reversed, the wheel bearing 3 advances the supporter 8-1 so that the supporter 8-1 is in close contact with the shaft 3-2 of the choke 2, after which the conveying block ( Retract 8-6) to position the rear of the wheel bearings. Then, the cylinder (8-9) is raised to contact the wheel bearing with the stopper (8-10), and then the feed block (8-6) is advanced to move the bearing (3-6) and the housing (3-4, 3-). 5) can be fastened.

The cap 3-3 is assembled in the reverse order of disassembly.

That is, according to the present invention as described above, the base (4) capable of transferring the choke rest (5) through the screw (4-3) and can install various devices for disassembly and assembly of the wheel bearing of the rolling roll choke A wheel bearing checking device 6 capable of checking the wheel bearing 3 through a measuring pin 6-12 and a check sensor 6-11, a rotating plate 7-16 and a stopper 7-10; Cap maintenance device (7), supporter (8-1), cylinder (8-2) and stopper (8-10, 8-19) for disassembling and assembling the cap (3-3) through (7-11) Bearing and housing maintenance device (8) for servicing the housing (3-4) and bearings (3-6), spacer (3-9) and inner racer (3-8) for It is possible to safely and easily maintain and inspect various parts of the wheel bearing 3 by using the inspection and maintenance device of the wheel bearing of the rolled roll chocks composed of the spacer and the inner racer maintenance device 9.

Therefore, by using the wheel bearing inspection and maintenance device of the rolling roll chock according to the present invention, the accuracy of the inspection and maintenance work of the wheel bearings can be improved to prevent the interruption of the mill stand rolling operation due to the inspection failure, Since the maintenance work of the wheel bearings to be fitted is automatically performed, the occurrence of a safety accident can be prevented.

Claims (3)

It is located in the lower part of the choke rotatably supporting both ends of the rolling roll, has a spacer and an inner racer which are sequentially fitted on the shaft of the choke, and has a housing mounted on the outer circumferential surface of the inner racer via a bearing, An apparatus having a base capable of inspecting and maintaining a wheel bearing with a cap fastened by a fastening member, the apparatus comprising: The base is formed with a conveying path for conveying a seating table on which the choke is seated, and the cap, housing, spacer, and inner racer of the wheel bearing can be disassembled while the seating table is moved along the conveying path. Wheel bearing inspection and maintenance device of the rolling roll choke, characterized in that the decomposition equipment is provided on both sides of the transport path sequentially. The wheel bearing inspection of the rolling roll choke according to claim 1, wherein the base is provided with a collection box for storing the cap, the housing, the spacer, and the inner racer of the wheel bearing which are disassembled by the disassembly facility. And maintenance equipment. According to claim 1, Inspection equipment for checking the rotation state of the wheel bearings are located at both ends of the seating, The inspection facility includes a rotation roller and a driving roller rotatably supporting the wheel bearing, and an inspection sensor for detecting a rotation state of the rotating wheel bearing so that the wheel bearing rotates in conjunction with the rotation of the driving roller. Vibration generated when the vibration is transmitted to the inspection sensor and the wheel bearing inspection and maintenance device of the rolling roll choke, characterized in that for checking the rotational state of the wheel bearing in accordance with the vibration state.