CN210788597U

CN210788597U - Self-moving type machine frame roller changing device

Info

Publication number: CN210788597U
Application number: CN201920953720.8U
Authority: CN
Inventors: 樊海营
Original assignee: Johnson Electric SA
Current assignee: Johnson Electric SA; Wisdri Engineering and Research Incorporation Ltd
Priority date: 2019-06-24
Filing date: 2019-06-24
Publication date: 2020-06-19
Anticipated expiration: 2029-06-24

Abstract

The utility model discloses a self-moving type rack roller changing device, which comprises a supporting plate and a plurality of supporting wheels, wherein the supporting plate consists of a front supporting plate and a rear supporting plate, the front supporting plate is arranged at the outer side of one of the memorial archways, and the rear supporting plate is arranged between the two memorial archways and is connected with the two memorial archways; a plurality of supporting wheels are arranged on the front section supporting plate or the rear section supporting plate at intervals along the axial direction of the frame roller, and each supporting wheel can move along the axial direction of the frame roller on an external roller changing supporting beam or an internal guide plate beam; the frame roller is positioned on each riding wheel and is supported by each riding wheel. The utility model has the advantages that: the utility model discloses the axis direction that each riding wheel can follow the frame roller removes, and this kind of strong point is movable structure can once only realize the frame roller or immigration, compares with prior art, easy operation, labour saving and time saving.

Description

Self-moving type machine frame roller changing device

Technical Field

The utility model relates to a rolling mill auxiliary assembly field, concretely relates to from portable frame roller roll changing device.

Background

The rolling mill is a key device in the production process link of the hot continuous rolling production line, and the frame roller is one of the most important components of the rough rolling mill and is used for transporting slabs. The roughing mill mainly has the function of cogging, namely, rolling a thick slab into a thin slab, so that the impact force of the slab on the stand roller is very large during rolling, the damage probability of the stand roller is increased, and the surface of the stand roller is not smooth after a period of time, so that the quality of a strip is influenced. Therefore, the frame rolls need to be replaced periodically.

The frame roller is positioned in the middle of the upright post of the mill housing, and the upper part of the frame roller is completely covered by the mill platform. The existing roller changing device of the frame roller is of a fixed supporting point type, and in the roller changing process, 9 fixed supporting wheels are used every time the roller moves a certain distance below the roller, and the supporting point is arranged on a roller body. For the old roller, the defects of abrasion, scratch, crack and the like of the roller surface can influence the movement of the roller during roller change; meanwhile, the traditional roll changing structure has the problems of complex operation, low reliability and unstable roll gravity center in the roll changing process. Therefore, there is a need for improvements in the prior art.

Disclosure of Invention

An object of the utility model is to provide a not enough to prior art, provide one kind can realize immigration once or shift out, labour saving and time saving's from portable frame roller roll-changing device.

The utility model adopts the technical proposal that: a self-moving type machine frame roller changing device comprises an external roller changing supporting beam and a plurality of supporting wheels, wherein the external roller changing supporting beam is arranged on the outer side of an operation side housing; a plurality of riding wheels are arranged on the external roller-changing supporting beam and the internal guide plate beam between the two memorial archways of the frame roller at intervals along the axial direction of the frame roller, and each riding wheel can move on the external roller-changing supporting beam or the internal guide plate beam along the axial direction of the frame roller; the frame roller is positioned on each riding wheel and is supported by each riding wheel.

According to the scheme, the riding wheel comprises a roller assembly and a bracket fixed at the upper part of the roller assembly; the roller component can drive the bracket to axially move on the outside-machine roller-changing supporting beam or the inside-machine guide plate beam.

According to the scheme, the bracket is of a V-shaped opening structure and comprises a bottom plate, and side supporting blocks and side adjusting plates which are arranged on two sides of the upper part of the bottom plate; the movable sliding block is arranged on the bottom plate and located between the side supporting block and the side auxiliary plate, and the upper end face of the movable sliding block and the upper end face of the side supporting block are both cambered surfaces/inclined surfaces matched with the peripheral surface of the rack roller.

According to the scheme, an adjusting screw penetrates through the side supporting block, and the end part of the adjusting screw is connected with the outer side face of the movable sliding block.

According to the scheme, the roller assembly comprises a wheel frame, a roller, a bearing and a roller, wherein two ends of the roller are respectively fixed on the wheel frame, and the support is fixed at the top of the wheel frame; the rolling shaft is matched with the inner ring of the bearing, and the outer ring of the bearing is matched with the roller.

According to the scheme, the bearings are provided with two groups, and the rolling shaft between the inner rings of the two bearings is provided with two positioning spacer rings; and a distance ring is arranged on the rolling shaft outside the two bearing inner rings, one end of the distance ring is tightly pressed with the end surface of the bearing inner ring, and the other end of the distance ring is tightly attached to the side wall of the wheel carrier.

According to the scheme, the external roller-changing supporting beam and the internal guide plate beam are respectively provided with a track matched with the roller components, and the length direction of the track is the same as the axial direction of the frame roller.

The utility model has the advantages that: the supporting wheels of the utility model can move along the axial direction of the frame roller, and the supporting point is a movable structure which can realize the pulling-out or moving-in of the frame roller at one time, compared with the prior art, the operation is simple, and the time and the labor are saved; the utility model has the advantages that the middle bracket and the movable slider form a V-shaped opening structure integrally, which is convenient for positioning, can be supported at the roll neck position of the frame roll and is not influenced by the diameter change of the frame roll, and the movable slider can be attached to the roll surface of the frame roll through the adjusting screw; the utility model has the advantages of reasonable design, the feasibility is high.

Drawings

Fig. 1 is a first schematic view of a connection between a frame roller and an embodiment of the present invention.

Fig. 2 is a side view of the idler of this embodiment.

Fig. 3 is a cross-sectional view of the idler of this embodiment.

Wherein: 1. a frame roller; 2. operating the side memorial archways; 3. a riding wheel; 4. an external roller-changing support beam; 5. a built-in guide plate beam; 6. a roller; 7. a bearing; 8. a spacer ring; 9. a distance ring; 10. a roller; 11. a support; 12. adjusting the screw; 13. a slider; 14. and a wheel frame.

Detailed Description

For a better understanding of the present invention, reference is made to the following detailed description taken in conjunction with the accompanying drawings.

As shown in fig. 1, the frame roller 1 to be replaced is arranged between two memorial archways, and an inner guide plate beam 5 is arranged between the two memorial archways; when the machine frame roller 1 is replaced, the machine frame roller is moved out or in from the outer end of the operation side housing 2 through external traction equipment.

A roller changing device of a self-moving type machine frame roller 1 comprises an external roller changing supporting beam 4 and a plurality of supporting wheels 3, wherein the external roller changing supporting beam 4 is arranged on the outer side of an operation side housing window 2, the supporting wheels 3 are arranged on the external roller changing supporting beam 4 and an internal guide plate beam 5 at intervals along the axial direction of the machine frame roller 1, and each supporting wheel 3 can move on the external roller changing supporting beam 4 or the internal guide plate beam 5 along the axial direction of the machine frame roller 1; the frame roller 1 is positioned on each riding wheel 3 and is supported by each riding wheel 3.

Preferably, the riding wheel 3 comprises a roller 10 assembly, and a bracket 11 fixed on the upper part of the roller 10 assembly; the roller 10 assembly can drive the bracket 11 to axially move on the outside machine roller changing support beam 4 or the inside machine guide plate beam 5.

Preferably, the bracket 11 is a V-shaped opening structure, and includes a bottom plate, and a side supporting block and a side adjusting plate disposed on two sides of the upper portion of the bottom plate; the movable sliding block 13 is placed on the bottom plate, the movable sliding block 13 is located between the side supporting block and the side auxiliary plate, the movable sliding block 13 and the side supporting block are symmetrically arranged on the vertical middle plane of the axis of the frame roller 1, and the upper end face of the movable sliding block 13 and the upper end face of the side supporting block are both cambered surfaces/inclined surfaces matched with the outer peripheral surface of the frame roller 1. An adjusting screw passes through the side supporting block, and the end part of the adjusting screw is connected with the outer side surface of the movable sliding block 13. The utility model discloses in, adjusting screw is used for adjusting movable slider 13's position, makes the laminating of movable slider 13 and 1 roll surface of frame roller.

Preferably, as shown in fig. 2 and 3, the roller 10 assembly includes a wheel frame 14, a roller 6, a bearing 7 and a roller 10, two ends of the roller 6 are respectively fixed on the wheel frame 14, and the bracket 11 is fixed on the top of the wheel frame 14; the rolling shaft 6 is matched with the inner ring of the bearing 7, and the outer ring of the bearing 7 is matched with the roller 10. In this embodiment, the bearings 7 are configured with two groups, and the roller 6 between the inner rings of the two bearings 7 is provided with a spacer ring 8 for positioning the two groups; and a distance ring 9 is arranged on the roller 6 outside the inner rings of the two bearings 7, one end of the distance ring 9 is pressed against the end surface of the inner ring of the bearing 7, and the other end of the distance ring 9 is tightly attached to the side wall of the wheel carrier 14.

Preferably, the external roller-changing support beam 4 and the internal guide plate beam 5 are respectively provided with a track matched with the roller 10 assembly, and the length direction of the track is the same as the axial direction of the frame roller 1; the riding wheels 3 can move along the length direction of the track.

In this embodiment, A, B, C, D sets of supporting rollers are adopted in the roller changing device, as shown in fig. 1, two sets of the supporting rollers a and B are arranged on the rear section supporting plate, the supporting rollers C and D are arranged on the front section supporting plate, and the four sets of supporting rollers are arranged to ensure that the center of gravity of the frame roller 1 is always positioned between the rollers 10 (to prevent the single roller 10 from being damaged due to excessive stress); the related supporting plate can be provided with a groove or not with a groove. Firstly placing a riding wheel B and a riding wheel D, then placing a riding wheel A and a riding wheel C, wherein the riding wheel D and the riding wheel A are arranged at the roll neck part of the frame roll 1; when the roller is placed, the support 11 penetrates from one side of the frame roller 1 and then is placed on a track below the frame roller 1, the movable sliding block 13 is pushed into the support 11 along the axis direction, and the movable sliding block 13 is tightly pressed by the adjusting screw 12 to be attached to the roller surface of the frame roller 1, so that a supporting effect is achieved. When the roller is changed, the frame roller 1 is supported by each riding wheel 3 and then is directly moved out or moved into the memorial archway by being drawn by an external traction device.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. A self-moving type machine frame roller changing device is characterized by comprising an external roller changing supporting beam and a plurality of supporting wheels, wherein the external roller changing supporting beam is arranged on the outer side of an operation side housing; a plurality of riding wheels are arranged on the external roller-changing supporting beam and the internal guide plate beam between the two memorial archways of the frame roller at intervals along the axial direction of the frame roller, and each riding wheel can move on the external roller-changing supporting beam or the internal guide plate beam along the axial direction of the frame roller; the frame roller is positioned on each riding wheel and is supported by each riding wheel.

2. The roller changing device of the self-moving type machine frame roller as claimed in claim 1, wherein the riding wheel comprises a roller assembly and a bracket fixed on the upper part of the roller assembly; the roller component can drive the bracket to axially move on the outside-machine roller-changing supporting beam or the inside-machine guide plate beam.

3. The roll changing apparatus according to claim 2, wherein the frame has a V-shaped opening structure, and comprises a bottom plate, and side supporting blocks and side adjusting plates provided at both sides of an upper portion of the bottom plate; the movable sliding block is arranged on the bottom plate and located between the side supporting block and the side auxiliary plate, and the upper end face of the movable sliding block and the upper end face of the side supporting block are both cambered surfaces/inclined surfaces matched with the peripheral surface of the rack roller.

4. The self-propelled frame roll changer of claim 3, wherein an adjustment screw is inserted through the side brace, the end of the adjustment screw being connected to the outer side of the movable slide.

5. The self-moving frame roller changing device of claim 2, wherein the roller assembly comprises a wheel frame, a roller, a bearing and a roller, two ends of the roller are respectively fixed on the wheel frame, and the bracket is fixed on the top of the wheel frame; the rolling shaft is matched with the inner ring of the bearing, and the outer ring of the bearing is matched with the roller.

6. The self-propelled frame roll changer of claim 5, wherein said bearings are configured in two sets, and spacer rings for positioning both are provided on the roller between the inner races of the two bearings; and a distance ring is arranged on the rolling shaft outside the two bearing inner rings, one end of the distance ring is tightly pressed with the end surface of the bearing inner ring, and the other end of the distance ring is tightly attached to the side wall of the wheel carrier.

7. The self-propelled frame roller changer according to claim 1, wherein the outer roller-changing support beam and the inner guide plate beam are respectively provided with a rail adapted to the roller assemblies, and the length direction of the rails is the same as the axial direction of the frame rollers.