CN203678858U - Supporting pad assembly for lower supporting roller bearing seat of plate mill - Google Patents
Supporting pad assembly for lower supporting roller bearing seat of plate mill Download PDFInfo
- Publication number
- CN203678858U CN203678858U CN201420089392.9U CN201420089392U CN203678858U CN 203678858 U CN203678858 U CN 203678858U CN 201420089392 U CN201420089392 U CN 201420089392U CN 203678858 U CN203678858 U CN 203678858U
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- Prior art keywords
- pad
- circular arc
- upper pad
- underlay
- arc face
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Abstract
The utility model discloses a supporting pad assembly for a lower supporting roller bearing seat of a plate mill. The supporting pad assembly comprises an upper pad, a lower pad, an elastic connecting bolt, a disc spring and a gasket. The bottom of the upper pad protrudes downwards to form an outward-protruding circular arc face, the top of the lower pad is sunken downwards to form an inward-sunken circular arc face, and the outward-protruding circular arc face of the upper pad is attached to the inward-sunken circular arc face of the lower pad. The middle of the lower pad is vertically provided with a cylinder counterbore. The middle of the bottom of the upper pad is vertically provided with a bolt hole. The elastic connecting bolt penetrates through the gasket, the disc spring and the cylinder counterbore and is screwed into the bolt hole of the upper pad. According to the supporting pad assembly, the outward-protruding circular arc face of the upper pad is attached to the inward-sunken circular arc face of the lower pad, the circular arc faces of the upper pad and the lower pad make contact and are connected through the elastic connecting bolt, and therefore the freedom degree is ensured; meanwhile, the contact area of the upper pad and the lower pad is increased, the bearing capacity is greatly improved, the service cycle of the upper pad and the lower pad is prolonged, and the rolling stability of the mill is improved.
Description
Technical field
The utility model relates to a kind of plate mill equipment, relates in particular to a kind of plate mill lower backing roll bearing block supporting pad assembly.
Background technology
Plate mill lower backing roll is the general structural configuration mode of current plate mill with the structure that step pad contact position adopts circular arc pad to contact with plane step pad, but this structure adopts the arc surface of circular arc pad to contact to realize carrying with the planar line of step pad, it is high to circular arc pad and step pad contact-making surface material hardness requirement, bearing capacity is poor simultaneously, while application on large-sized rolling mills, because of load very big, often cause step pad and circular arc pad to press feedback, quick abrasion, finally cause mill milling unstable, directly influence of rolled sheet material template.4100mm production line is thick, the former design of finishing mill adopts this kind of structure equally; circular arc pad and step pad are because pressing feedback reason life cycle extremely short; step pad life cycle is less than 2 months; circular arc pad life cycle is less than 3 months; step pad is changed and is caused the maintenance outage time longer simultaneously; single list cover is more exchanged treaties 12 hours consuming time, and spare part expense is higher simultaneously, approximately 400,000 yuan of single cover costs.For this reason, design a set of more rational circular arc cushion device and become urgent problem to extend its life cycle and to improve milling train stability.
Utility model content
For above shortcomings in prior art, the utility model provides a kind of its bearing capacity of raising, the plate mill lower backing roll bearing block supporting pad assembly increasing the service life.
In order to solve the problems of the technologies described above, the utility model has adopted following technical scheme:
Plate mill lower backing roll bearing block supporting pad assembly, comprises pad, underlay, elasticity connecting bolt, dish spring and pad; Described upper pad is positioned at the top of underlay, the bottom of described upper pad is protruded downwards and is formed an evagination arc-shaped surface, the top of described underlay becomes an indent arc-shaped surface to concave, the evagination arc-shaped surface of described upper pad and the laminating of the indent arc-shaped surface of underlay, at the middle part of underlay, one cylinder counter sink is vertically set, the middle part, bottom of described upper pad vertically arranges bolt hole, described pad and dish spring are arranged in cylinder counter sink, and described elasticity connecting bolt passes pad, dish spring and cylinder counter sink and screws in the bolt hole of upper pad.
As a kind of preferred version of the present utility model, one end of described dish spring is pressed on the inner hole wall of cylinder counter sink, and the other end of dish spring is pressed on pad.
The beneficial effects of the utility model are as follows: the utility model adopts the evagination arc-shaped surface of upper pad and the laminating of the indent arc-shaped surface of underlay, make arc surface contact between pad and underlay, the mode that adopts elasticity connecting bolt to connect mutually guarantees the free degree, also improve the contact-making surface of upper pad and underlay simultaneously, and then greatly improve bearing capacity, the life cycle of pad and underlay in prolongation, improves mill milling stability.
Accompanying drawing explanation
Fig. 1 is the structural representation of plate mill lower backing roll bearing block supporting pad assembly.
In accompanying drawing: 1-upper pad; 2-underlay; 3-elasticity connecting bolt; 4-dish spring; 5-pad; 6-cylinder counter sink.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
As shown in Figure 1, plate mill lower backing roll bearing block supporting pad assembly, comprises pad 1, underlay 2, elasticity connecting bolt 3, dish spring 4 and pad 5.Upper pad 1 is positioned at the top of underlay 2, the bottom of upper pad 1 is protruded downwards and is formed an evagination arc-shaped surface, the top of underlay 2 becomes an indent arc-shaped surface to concave, the evagination arc-shaped surface of upper pad 1 and the laminating of the indent arc-shaped surface of underlay 2, change home position and the arc radius of evagination arc-shaped surface and indent arc-shaped surface, according to pad and underlay contact-making surface hardness in the adjustment of contact-making surface load, and set up lubricant passage way.At the middle part of underlay 2, a cylinder counter sink 6 is vertically set, the middle part, bottom of upper pad 1 vertically arranges bolt hole, pad 5 and dish spring 4 are arranged in cylinder counter sink 6, and elasticity connecting bolt 3 passes pad 5, dish spring 4 and cylinder counter sink 6 and screws in the bolt hole of upper pad 1.One end of dish spring 4 is pressed on the inner hole wall of cylinder counter sink 6, and the other end of dish spring 4 is pressed on pad 5.
Do not changing under the stressed prerequisite that needs the requirement of the rolling direction swing free degree of former plate mill lower backing roll bearing block, in change, pad 1 is face contact with underlay 2 line contact modes, both having increased upper pad 1 contacts with the large area of underlay 2, guarantee that again it swings the free degree relatively, greatly improve the bearing capacity of upper pad 1 and underlay 2, avoid upper pad 1 and underlay 2 to press down feedback and Fast Wearing causes rolling wild effect at long-term large load condition, greatly extend the life cycle of upper pad 1 and underlay 2, reduce assembling and the maintenance labour intensity of relevant device, reduce equipment and spare part and cost of human resources, improve mill milling stability, improve rolling piece kind rate.
Finally explanation is, above embodiment is only unrestricted in order to the technical solution of the utility model to be described, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement the technical solution of the utility model, and not departing from aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of claim scope of the present utility model.
Claims (2)
1. plate mill lower backing roll bearing block supporting pad assembly, is characterized in that: comprise pad (1), underlay (2), elasticity connecting bolt (3), dish spring (4) and pad (5), described upper pad (1) is positioned at the top of underlay (2), the bottom of described upper pad (1) is protruded downwards and is formed an evagination arc-shaped surface, the top of described underlay (2) becomes an indent arc-shaped surface to concave, the indent arc-shaped surface laminating of the evagination arc-shaped surface of described upper pad (1) and underlay (2), one cylinder counter sink (6) is vertically set at the middle part of underlay (2), the middle part, bottom of described upper pad (1) vertically arranges bolt hole, described pad (5) and dish spring (4) are arranged in cylinder counter sink (6), described elasticity connecting bolt (3) is through pad (5), dish spring (4) and cylinder counter sink (6) also screw in the bolt hole of upper pad (1).
2. plate mill lower backing roll bearing block supporting pad assembly according to claim 1, is characterized in that: one end of described dish spring (4) is pressed on the inner hole wall of cylinder counter sink (6), and the other end of dish spring (4) is pressed on pad (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420089392.9U CN203678858U (en) | 2014-02-28 | 2014-02-28 | Supporting pad assembly for lower supporting roller bearing seat of plate mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420089392.9U CN203678858U (en) | 2014-02-28 | 2014-02-28 | Supporting pad assembly for lower supporting roller bearing seat of plate mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203678858U true CN203678858U (en) | 2014-07-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420089392.9U Expired - Fee Related CN203678858U (en) | 2014-02-28 | 2014-02-28 | Supporting pad assembly for lower supporting roller bearing seat of plate mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203678858U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104722581A (en) * | 2015-03-09 | 2015-06-24 | 山东钢铁股份有限公司 | Rolling mill and horizontal roller bearing seat self-adjustment device thereof |
| CN117324874A (en) * | 2023-12-01 | 2024-01-02 | 烟台元瑞汽车科技有限公司 | Clamping device |
-
2014
- 2014-02-28 CN CN201420089392.9U patent/CN203678858U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104722581A (en) * | 2015-03-09 | 2015-06-24 | 山东钢铁股份有限公司 | Rolling mill and horizontal roller bearing seat self-adjustment device thereof |
| CN117324874A (en) * | 2023-12-01 | 2024-01-02 | 烟台元瑞汽车科技有限公司 | Clamping device |
| CN117324874B (en) * | 2023-12-01 | 2024-01-30 | 烟台元瑞汽车科技有限公司 | Clamping device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140702 Termination date: 20180228 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |