CN111618090A - A roll change traverse device for heavy-duty H-beam and cloud rail tandem rolling mills - Google Patents

Abstract

The invention discloses a roll changing traverse device for heavy-duty H-section steel and cloud rail tandem rolling mills. Including: a track; a translation hydraulic cylinder is arranged in the middle of one end of the track through a support; a plurality of groups of traversing trolleys are arranged in series on the track; the flat head of the translation hydraulic cylinder is hinged on the horizontal of the far hydraulic cylinder The traverse trolley includes a traverse frame; four groups of wheels with brackets are fixed at the bottom of the traverse frame; The track of the roller trolley moves with the corresponding roller trolley. The invention can realize the simultaneous roll change of the three-stand roll system, reduce the roll change time and improve the production efficiency.

Description

A roll change traverse device for heavy-duty H-beam and cloud rail tandem rolling mills

technical field

The invention relates to the field of tandem rolling mills, in particular to a device for rolling super-wide and super-thick H-beams and cloud rail three-stand tandem rolling mill rolls for simultaneous roll change and lateral movement.

Background technique

On the super-wide and super-thick H-beam and cloud rail rolling production lines, the finishing rolling unit adopts a compact layout, which is also called CCS. Three rolling mills are arranged in series along the rolling center line, that is, universal rough rolling. (UR), edge rolling (E), and universal finishing (UF), rolling steel in this way can greatly reduce the amount of rolls prepared by the steel mill and reduce costs, but there are also disadvantages. Rolling products of different specifications requires simultaneous Replacing the roll system of the three-stand rolling mill. In the past, the replacement of the roll system was performed by a single machine. If the single-machine replacement method is used, it is very time-consuming and inefficient. Therefore, it is urgent to develop a three-stand roll system. solved problem.

SUMMARY OF THE INVENTION

In view of the above problems, the present invention proposes a roll changing and traversing device for heavy-duty H-beam and cloud-rail tandem rolling mills. The device is driven by hydraulic pressure and is easy to maintain and repair.

In order to achieve the above-mentioned purpose, the present invention is a roll-changing and traversing device for heavy-duty H-beam and cloud rail tandem rolling mills, comprising:

track;

A translation hydraulic cylinder is arranged through the support in the middle of one end of the track;

A plurality of groups of traverse trolleys are arranged in series on the track; the flat head of the translation hydraulic cylinder is hinged on the traverse trolley of the remote hydraulic cylinder;

The traverse trolley includes a traverse frame; four groups of wheels with brackets are fixed on the bottom of the traverse frame;

Two sets of roller trolley tracks are fixed on each set of transverse carriages, and the roller trolley tracks move in coordination with the corresponding roller trolleys.

Further, the traversing trolleys are in six groups, wherein:

The two sets of roller trolley tracks fixed on the first and fourth sets of traversing frames overlap with the longitudinal moving tracks of the UR roller trolley, and are also at the same elevation in the height direction;

The two sets of roller trolley tracks fixed on the second and fifth sets of traversing carriages overlap with the longitudinal moving track of the E roller trolley, and are also at the same elevation in the height direction;

The two sets of roller trolley tracks fixed on the third and sixth sets of traversing carriages coincide with the longitudinal moving track of the UF roller trolley, and are also at the same elevation in the height direction.

Further, two sets of locking hydraulic cylinders are fixed on both sides of each set of traverse frames, and the two sets of locking plugs are respectively fixed on the piston rods of the two sets of locking hydraulic cylinders. The connection between the two sets of connecting plugs is connected by two sets of connecting plugs, and the two sets of connecting plugs are connected by bolts; an adjusting shim set is also installed between the two sets of connecting plugs.

The present invention is a roll changing device and method for heavy-duty H-beam and cloud rail tandem rolling mill rolls. , cloud track, UR roll trolley, E roll trolley, UF roll trolley are hidden in the belly of UR universal rolling mill, E edge rolling machine, UF universal rolling mill, and the fourth, fifth and sixth groups of traverse There are UR roll trolleys, E roll trolleys and UF roll trolleys to be replaced on the frame respectively. Before changing the specifications and varieties of rolled products, firstly tie the corresponding new rolls to the corresponding fourth group of UR rolls offline. The trolley, the fifth group of E roller trolleys, and the sixth group of UF roller trolleys are assembled. Before the new roller system is assembled, the locking hydraulic cylinders with locking plugs installed on both sides of the fourth group of traverse frames are driven to extend. Out, the locking plugs on both sides are inserted into the ear sockets A and B on both sides of the corresponding UR roller trolley, and the locking hydraulic cylinders with locking plugs installed on both sides of the fifth group of traverse frames are driven to drive. Extend, the locking plugs on both sides are inserted into the corresponding ear sockets C and D on both sides of the E-roller trolley to drive the locking hydraulic pressure fixed with locking plugs on both sides of the sixth group of traverse frames. The cylinder is extended, and the locking plugs on both sides are inserted into the corresponding ear sockets E and F on both sides of the UF roller system. The above locking process can be carried out at the same time, and then the assembly of the new roller system is completed. During the roll change process, the UR roll car, E roll car, and UF roll car with new rolls are now named as B group rolls, which are hidden in the UR universal rolling mill, E edge rolling machine, and UF universal rolling mill. The belly of the machine is equipped with the old roll series UR roll series trolley, E roll series trolley and UF roll series trolley named as group A roll series. The three sets of rolls in the belly of the edger and UF universal rolling mill pass through the corresponding UR roll car, E roll car, and UF roll car along the longitudinal movement track of the corresponding UR roll car, E roll car longitudinally The moving track and the longitudinal moving track of the UF roll trolley move from the rolling center line to the position where it moves to the center line of the roll change traverse, and the drive system that drives the UR roll trolley, E roll trolley, and UF roll trolley to move longitudinally does not work. Describe again, and then drive the locking hydraulic cylinders fixed on both sides of the first group of traversing frames with locking plugs to extend, and the locking plugs on both sides are inserted into the corresponding ear sockets on both sides of the UR roller trolley. A. Ear seat B, driving the locking hydraulic cylinders fixed on both sides of the second group of traversing frames with locking plugs to extend, and the locking plugs on both sides are inserted into the ears on both sides of the corresponding E-roller trolleys of this group Seat C, ear seat D, drive the locking hydraulic cylinders fixed on both sides of the third group of traversing frames with locking plugs to extend, and the locking plugs on both sides are inserted into the corresponding UF roller trolleys on both sides of the group. For the ear seat E and the ear seat F, the above locking process can be performed at the same time. Then drive the translation hydraulic cylinder in the translation drive system to move the rollers of group A from position 1 to position 3 along the track in the track system, and the rollers of group B from position 2 to position 1 where the original rollers of group A were located. . Then drive the locking hydraulic cylinders with locking plugs installed on both sides of the fourth group of traversing frames in the new roller system of group B at position 2 to retract, and the locking plugs on both sides are removed from the corresponding UR roller system of this group. The ear seat A and the ear seat B on both sides of the trolley are disengaged, and the locking hydraulic cylinders with locking plugs fixed on both sides of the fifth group of traversing frames are driven to retract, and the locking plugs on both sides are removed from the corresponding E of the group. The ear bases C and D on both sides of the roller trolley are disengaged, and the locking hydraulic cylinders with locking plugs fixed on both sides of the sixth group of traversing frames are driven to retract, and the locking plugs on both sides are corresponding to this group. The ear seat E and the ear seat F on both sides of the UF roller system trolley are disengaged, and the above locking and opening process can be carried out at the same time. Then the drive is located in the B group roller system, which is equipped with the new roller system UR roller system trolley, E roller system trolley, UF roller system trolley along the longitudinal moving track of the UR roller system trolley, the E roller system trolley longitudinal moving track, and the UF roller system trolley longitudinally. The moving track moves from the roll change traverse center line to the position of the rolling center line. At the same time, then drive the locking hydraulic cylinders with locking plugs installed on both sides of the first group of traversing frames in the old roller system of group A at position 3 to retract, and the locking plugs on both sides are corresponding to the group. The ear seat A and the ear seat B on both sides of the UR roller system trolley are disengaged, and the locking hydraulic cylinders fixed on both sides of the second group of traversing frames with locking plugs are retracted, and the locking plugs on both sides are retracted from the The ear bases C and D on both sides of the corresponding E-roller trolleys are disengaged, and the locking hydraulic cylinders installed with locking plugs fixed on both sides of the third group of traversing frames are driven to retract, and the locking plugs on both sides are retracted. From the ear bases E and F on both sides of the corresponding UF roller system trolleys of the group, the old roller systems are transported to the machine repair room by the crane in the factory building to remove the rollers. When the roller needs to be changed again, the translation hydraulic cylinder in the translation drive system is driven to move the new roller system of group A from position 3 to position 1 along the track in the track system, and the old roller system of group B from position 1 to position 2. The rest of the process is the same as above.

This repetition can greatly save time, improve production efficiency, reduce manual operation time, and maintain convenient and simple.

Description of drawings

Fig. 1 is a front view of an embodiment of a roll changing and traversing device for heavy-duty H-beam and cloud rail tandem rolling mills according to the present invention;

Fig. 2 is a top view of an embodiment of a roll changing and traversing device for heavy-duty H-beam and cloud rail tandem rolling mills according to the present invention;

Fig. 3 is a southwest isometric view of an embodiment of a roll changing and traversing device for heavy-duty H-beam and cloud rail tandem rolling mills according to the present invention;

Fig. 4-1 is an enlarged view of a connecting plug of an embodiment of the present invention for a heavy-duty H-beam, cloud rail tandem rolling mill roll changing roll shift device; Fig. 4-2 is a cross-sectional view taken along the A-A direction of Fig. 4-1 .

FIG. 5 is a partial enlarged schematic view of the U-R roller system in FIG. 2 .

FIG. 6 is a partial enlarged schematic view of the U-R roller system in FIG. 1 .

Detailed ways

The present invention will be further described below with reference to the accompanying drawings.

Example 1

As shown in Figures 1-6, the present embodiment is a roll changing device and method for heavy-duty H-beam and cloud rail tandem rolling mill rolls, including a rail system, a translation drive system, and a traverse trolley system.

The track system is symmetrically arranged along the center line of the roll change and traverse, as shown in Figure 2, the track 1 system includes a track 1, a backing plate 2, a pressure plate 3, and an anchor bolt 4. The sets of anchor bolts 4 pass through the multiple sets of backing plates 2 on this side, and the multiple sets of backing plates 2 on this side are fixed on the civil foundation. The multiple sets of anchor bolts 4 on this side are anchored on the civil foundation. Press the rail 1 above the multiple sets of backing plates 2, and the multiple sets of anchor bolts 4 located on the other side of the center line of the roll change traverse pass through the multiple sets of backing plates 2 on this side, and fix the multiple sets of backing plates 2 on this side On the civil foundation, multiple sets of anchor bolts 4 on this side are anchored on the civil foundation, and multiple sets of pressure plates 3 on this side press the track 1 above the multiple sets of backing plates 2 as shown in Figures 1 and 2.

The translational drive system includes a translational hydraulic cylinder 11, a support 10, and a connecting seat 12. The cylinder of the translational hydraulic cylinder 11 is fixed on the support 10, the support 10 is fixed on the foundation of civil engineering, and the flat head of the translational hydraulic cylinder 11 is hinged on the connection. The seat 12, the connecting seat 12 is fixed on the lower part of the fourth group of horizontal trolleys as shown in Figures 1 and 3.

The traversing trolley system includes a locking hydraulic cylinder 5, a locking plug 6, a roller trolley track 7, a traversing frame 8, a wheel with brackets 9, a connecting plug 12, and a set of adjusting shims 13. Six groups of traverse frames 8 are arranged in turn on the center line, four groups of wheels 9 with brackets are fixed at the bottom of each group of traverse frames 8, and two sets of locks are fixed on both sides of each group of traverse frames 8 The hydraulic cylinder 5 is tightened, the two sets of locking plugs 6 are respectively fixed on the piston rods of the two sets of locking hydraulic cylinders 5, and two sets of roller trolley tracks 7 are fixed on each set of traverse frames 8. The roller trolley tracks 7 is to move with the corresponding roller trolley, and the two sets of roller trolley tracks 7 fixed on the first group of traversing carriages 8 coincide with the longitudinal moving track of the UR roller trolley, and are also at the same elevation in the height direction. The two sets of roller trolley tracks 7 fixed on the second set of traverse frames 8 overlap with the longitudinal moving rails of the E roller trolleys, and are also at the same elevation in the height direction, and are fixed on the third set of traverse frames 8 The two sets of roller trolley tracks 7 overlap with the longitudinal moving track of the UF roller trolley, and are also at the same elevation in the height direction as shown in Figures 1 and 2. Taking the first group of traverse frames 8 and the second group of traverse frames 8 as examples to illustrate the connection between groups, the connection between groups is connected by two sets of connection plugs 12, one of which is connected with plugs 12 is hinged on the lower ear plate of the first set of traverse frames 8, and another set of connection plugs 12 is hinged on the second set of traverse frames 8. An adjusting shim group 13 is also installed between them. As shown in FIG. 4, the second group of traverse frames 8 and the third group of traverse frames 8, the third group of traverse frames 8 and the fourth group of traverse frames 8 , The fourth group of traverse frames 8 and the fifth group of traverse frames 8, and the fifth group of traverse frames 8 and the sixth group of traverse frames 8 are cracked as shown in Figures 1, 2, and 3 above.

Example 2

On the basis of the above embodiment, as shown in Figure 1, Figure 2, Figure 3 and Figure 5: UR universal rolling mill, E edge rolling mill, and UF universal rolling mill form a tandem unit to roll heavy-duty H-beams and cloud rails. , UR roll trolley, E roll trolley and UF roll trolley are hidden in the belly of UR universal rolling mill, E edge rolling machine and UF universal rolling mill respectively, and also on the fourth, fifth and sixth groups of traverse frame 8 The UR roll trolley, E roll trolley and UF roll trolley are to be replaced respectively. Before changing the specifications and varieties of rolled products, firstly tie the corresponding new rolls to the corresponding fourth group of UR roll trolleys and the first offline. The five groups of E-roller trolleys and the sixth group of UF roller-type trolleys are assembled. Before the new rollers are assembled, drive the locking hydraulic cylinders 5 fixed on both sides of the fourth group of traverse frames 8 and equipped with locking plugs 6 to extend Out, the locking plugs 6 on both sides are inserted into the ear sockets A and B on both sides of the corresponding UR roller trolley, and the locks with the locking plugs 6 installed on both sides of the fifth group of transverse carriages 8 are driven and fixed. The tightening hydraulic cylinder 5 is extended, and the locking plugs 6 on both sides are inserted into the ear sockets C and D on both sides of the corresponding E-roller trolley, and the drive is fixed on the sixth group of transverse carriages 8. Both sides are equipped with locks. The locking hydraulic cylinder 5 of the tightening plug 6 is extended, and the locking plugs 6 on both sides are inserted into the corresponding ear sockets E and F on both sides of the UF roller trolley. The above-mentioned locking process can be carried out at the same time, and then the new The assembly of the roll system, in order to facilitate the description of the entire roll change process, the UR roll trolley, E roll trolley and UF roll trolley equipped with the new roll system are now named as the B group roll system, which are hidden in the UR universal rolling mill, The belly of E edge rolling mill and UF universal rolling mill is equipped with old roll series UR roll series trolley, E roll series trolley and UF roll series trolley named as group A roll series. When the specifications and varieties of rolled products need to be replaced, It is only necessary to pass the three sets of rolls in the belly of the UR universal mill, E edger, and UF universal mill through the corresponding UR roll car, E roll car, UF roll car along the corresponding UR roll car. Longitudinal movement track 1, E roll car longitudinal movement track 1, UF roll car longitudinal movement track 1 Move from the rolling center line to the position where it moves to the center line of the roll change, drive the UR roll car, E roll car . The drive system of the UF roller trolley for longitudinal movement will not be described again, and then the locking hydraulic cylinder 5 with locking plugs 6 installed on both sides of the first group of traversing frame 8 is driven out, and the locking cylinders 5 on both sides are The plug 6 is inserted into the ear sockets A and B on both sides of the corresponding UR roller trolley, and the locking hydraulic cylinder 5 with the locking plug 6 fixed on both sides of the second group of traversing carriages 8 is driven to extend, The locking plugs 6 on both sides are inserted into the ear sockets C and D on both sides of the corresponding E-roller trolley to drive the locking hydraulic pressure fixed on both sides of the third group of traverse frames 8 equipped with the locking plugs 6. The cylinder 5 is extended, and the locking plugs 6 on both sides are inserted into the corresponding ear sockets E and F on both sides of the UF roller trolley. The above locking process can be performed simultaneously. Then drive the translation hydraulic cylinder 11 in the translation drive system to move the rollers of group A from position 1 to position 3 along track 1 in the track system, and the rollers of group B from position 2 to the position where the original rollers of group A are located. position 1. Then drive the locking hydraulic cylinders 5 with locking plugs 6 installed on both sides of the fourth group of traverse frames 8 in the new roller system of the B group at position 2 to retract, and the locking plugs 6 on both sides are corresponding to the group. The ear seat A and the ear seat B on both sides of the UR roller system trolley are disengaged, and the locking hydraulic cylinder 5 with the locking plug 6 fixed on both sides of the fifth group of traversing frame 8 is driven to retract, and the locking The plug 6 is disengaged from the ear sockets C and D on both sides of the corresponding E-roller trolley, and the locking hydraulic cylinder 5 with the locking plug 6 fixed on both sides of the sixth group of transverse carriages 8 is driven to retract. , the locking plugs 6 on both sides are disengaged from the ear seats E and F on both sides of the corresponding UF roller trolleys of the group, and the above locking and opening processes can be performed simultaneously. Then the drive is located in the B group roller system, which is equipped with the new roller system UR roller system trolley, E roller system trolley, UF roller system trolley along the longitudinal moving track of the UR roller system trolley, the E roller system trolley longitudinal moving track, and the UF roller system trolley longitudinally. The moving rail 1 moves from the roll change traverse center line to the position of the rolling center line. At the same time, then drive the locking hydraulic cylinder 5 with locking plugs 6 installed on both sides of the first group of traverse frame 8 in the old roller system of group A at position 3 to retract, and the locking plugs 6 on both sides From the ear seat A and the ear seat B on both sides of the corresponding UR roller trolley of this group, the locking hydraulic cylinder 5 with the locking plug 6 installed on both sides of the second group of traversing frame 8 is driven to retract, and the two The locking plugs 6 on the side are disengaged from the ear sockets C and D on both sides of the corresponding E-roller trolley, and drive the locking hydraulic pressure fixed on both sides of the third group of transverse carriages 8 equipped with the locking plugs 6. The cylinder 5 is retracted, and the locking plugs 6 on both sides are released from the lugs E and F on both sides of the corresponding UF roller trolley. When it is necessary to change the rolls again, drive the translational hydraulic cylinder 11 in the translational drive system to move the new rolls of group A from position 3 to position 1 along track 1 in the track system, and the old rolls of group B from position 1 to position 1 2. The rest of the process is the same as above. Repeating the above process repeatedly can realize the roll change of the three stands of the CCS mill.

Example 6

On the basis of the above-mentioned embodiment, since the positioning accuracy of the roll changing and traversing device for heavy-duty H-beam and cloud rail tandem rolling mills is related to the installation accuracy of the three-stand rolling mill, when the three-stand rolling mill is rolled When there is a positional deviation in the precision installation, the track fixed on the traverse platform can be adjusted to match the center of the UR roller trolley, the E roller trolley and the UF roller trolley by adjusting the adjustment shim group 13 between the groups. Three-stand rolling mill roll change provides a strong guarantee. As shown in Figures 4-1 and 4-2.

The above are only preferred embodiments of the present invention, but the protection scope of the present invention is not limited to this. Any person skilled in the art who is familiar with the technical scope disclosed by the present invention can easily think of changes or replacements. should be included within the protection scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.

Claims (3)

1. a roll-changing traverse device for heavy-duty type H-beam, cloud rail tandem rolling mill roll system, is characterized in that: comprising: track; A translation hydraulic cylinder is arranged through the support in the middle of one end of the track; A plurality of groups of traverse trolleys are arranged in series on the track; the flat head of the translation hydraulic cylinder is hinged on the traverse trolley of the remote hydraulic cylinder; The traverse trolley includes a traverse frame; four groups of wheels with brackets are fixed on the bottom of the traverse frame; Two sets of roller trolley tracks are fixed on each set of transverse carriages, and the roller trolley tracks move in coordination with the corresponding roller trolleys. 2. The roll-changing traverse device for heavy-duty H-beam and cloud rail tandem rolling mills as claimed in claim 1, characterized in that: the traverse trolleys are six groups, wherein: The two sets of roller trolley tracks fixed on the first and fourth sets of traversing frames overlap with the longitudinal moving tracks of the UR roller trolley, and are also at the same elevation in the height direction; The two sets of roller trolley tracks fixed on the second and fifth sets of traversing carriages overlap with the longitudinal moving track of the E roller trolley, and are also at the same elevation in the height direction; The two sets of roller trolley tracks fixed on the third and sixth sets of traversing carriages coincide with the longitudinal moving track of the UF roller trolley, and are also at the same elevation in the height direction. 3. The roll-changing traverse device for heavy-duty H-section steel and cloud rail tandem rolling mill as claimed in claim 1, characterized in that: two groups of locks are fixed on both sides of each group of traverse carriages Tighten the hydraulic cylinder, the two sets of locking plugs are respectively fixed on the piston rods of the two sets of locking hydraulic cylinders, the connection between the adjacent two sets of traverse frames is connected by two sets of connection plugs, and the two sets of connection plugs are connected by bolts; An adjustment shim set is also installed between the two sets of connection plugs.

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