CN220837744U - Main roller bearing seat locking cylinder of ring rolling machine - Google Patents

Abstract

A locking cylinder of a main roller bearing seat of a ring rolling machine relates to the technical field of ring rolling machines, and the technical scheme is as follows: the device comprises a shell, wherein the shell can be matched with a gap of a dovetail groove, a plurality of piston rods are arranged on the shell along the length direction, and one ends of the piston rods can be abutted on a bearing seat. The beneficial effects of this technical scheme are: through the setting of piston rod and casing, it is ejecting through hydraulic pressure, realize fixing to the bearing, when the maintenance is dismantled to needs, the piston rod resets, can directly dismantle the bearing frame like this, improves installation and dismantlement efficiency.

Description

Main roller bearing seat locking cylinder of ring rolling machine

Technical Field

The utility model relates to the technical field of ring rolling machines, in particular to a locking cylinder of a main roller bearing seat of a ring rolling machine.

Background

The ring rolling equipment is widely applied to mass production of various ring pieces with annual output of tens of millions of tons, such as inner and outer rings of various bearings, flanges, gear rings, train wheel rims and the like, and mainly comprises a vertical ring rolling machine and a horizontal ring rolling machine, the diameter of the ring piece processed by the vertical ring rolling machine is generally not more than 400 mm, along with the development of technology and the increase of the demand of the ring piece, the ring piece with the diameter of 1500mm can be rolled by the vertical ring rolling machine which is designed and manufactured at present, and a main roller support body and a main roller bearing seat of the vertical ring rolling machine are of a split structure and are required to be assembled and constructed on site.

In order to facilitate connection between the bearing seat and the main roller support body, a dovetail groove connection mode is used for connection, after the bearing seat and the main roller support are combined, a wedge block is plugged into a gap between the bearing seat and the main roller support, the wedge block is controlled to move through a bolt, and the wedge block is extruded to fix the bearing seat, so that the bearing seat is stable.

The wedge is in fixed in-process, needs slowly to pack the wedge into the gap in, carries out spacingly to the bearing through the frictional force between wedge and the bearing frame, because bearing frame weight is great, in-process need hoist and mount when installation and dismantlement, but the wedge is inconvenient to take out to influence the dismantlement of bearing frame, wasted time and energy when having led to the bearing frame to maintain, increased staff's intensity of labour, influence availability factor.

Disclosure of Invention

The utility model aims to overcome the defect that the bearing seat is inconvenient to take out after a wedge block is used for fixing the bearing seat, so that the later disassembly of the bearing seat is influenced, and provides a main roller bearing seat locking cylinder of a ring rolling machine.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

The utility model provides a ring rolling machine main roll bearing frame locking jar, includes the casing, and the casing can be matees with the gap phase-match of dovetail, and the casing is provided with a plurality of piston rods along length direction, and the one end of piston rod can the butt on the bearing frame.

The piston rod is ejected out through hydraulic pressure, realizes fixing to the bearing seat, and when the maintenance is required to be dismantled, the piston rod resets, can directly dismantle the bearing seat like this, improves installation and dismantlement efficiency.

Preferably, the shell is provided with a plurality of piston cavities along the length mode, the piston rod is located in the piston cavity, the piston rod is provided with an oil inlet cavity, the piston rod is provided with an oil return cavity, an oil inlet channel is arranged in the shell and connected with the plurality of oil inlet cavities, and the oil return channel is connected with the plurality of oil return cavities.

The setting of oil feed passageway and oil return passageway conveniently controls the flexible of piston intracavity piston rod, according to the installation and the dismantlement of bearing frame, adjusts, improves the installation effectiveness of bearing frame.

Preferably, the oil inlet cavity is a groove, and the oil inlet cavity is positioned at the bottom of the piston rod.

Preferably, the oil return cavity is an annular groove, and the oil return cavity is positioned in the middle of the piston rod.

Preferably, an end cap is mounted at the opening of the piston chamber, and the piston rod passes through the end cap and extends to one side of the housing.

The end cap seals the piston chamber.

Preferably, the cross section of the housing is arranged as a parallelogram.

The cross section of the shell corresponds to the gap, so that the position of the shell can be conveniently adjusted.

Compared with the prior art, the utility model has the beneficial effects that: through the setting of piston rod and casing, it is ejecting through hydraulic pressure, realize fixing to the bearing, when the maintenance is dismantled to needs, the piston rod resets, can directly dismantle the bearing frame like this, improves installation and dismantlement efficiency.

Drawings

In order to more clearly illustrate the technical solutions of the present utility model, the drawings that are needed in the description will be briefly introduced below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of an embodiment of the present utility model.

Fig. 2 is a schematic structural view of the interior of the housing in an embodiment of the present utility model.

Fig. 3 is a schematic side view of an embodiment of the present utility model.

Fig. 4 is an internal schematic diagram of an embodiment of the present utility model.

In the figure: 1a shell, 2 end covers, 3 a piston rod, 4 an oil inlet channel, 5 an oil inlet cavity, 6 an oil return cavity and 7 an oil return channel.

Detailed Description

In order to make the objects, features and advantages of the present utility model more obvious and understandable, the technical solutions of the present utility model will be clearly and completely described below with reference to the drawings in this specific embodiment, and it is apparent that the embodiments described below are only some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, based on the embodiments in this patent, which would be within the purview of one of ordinary skill in the art without the particular effort to make the utility model are intended to be within the scope of the patent protection.

Referring to fig. 1-4, a ring rolling machine main roll bearing frame locking jar, including casing 1, casing 1 can be with the gap assorted of dovetail, and casing 1's cross section is parallelogram setting, sets up casing 1 according to the gap of dovetail, conveniently inserts in the gap, and casing 1 is provided with a plurality of piston rods 3 along length direction on, and the one end of piston rod 3 can the butt on the bearing frame, and piston rod 3 is ejecting through hydraulic pressure, realizes fixing to the bearing frame, when the maintenance is dismantled to needs, and piston rod 3 resets, can directly dismantle the bearing frame like this, improves installation and dismantlement efficiency.

Referring to fig. 2 and 4, a plurality of piston cavities are arranged in a length mode of a shell 1, a piston rod 3 is positioned in the piston cavities, an oil inlet cavity 5 is formed in the piston rod 3, hydraulic oil is conveyed by the oil inlet cavity 5, an oil return cavity 6 is arranged on the piston rod 3, an oil inlet channel 4 is arranged in the shell 1, the oil inlet channel 4 is connected with the plurality of oil inlet cavities 5, hydraulic oil is conveyed into the oil inlet cavities 5 by the oil inlet channel, the piston rod 3 stretches out and draws back, an oil return channel 7 is connected with the plurality of oil return cavities 6, when the piston rod 3 is required to reset, the hydraulic oil in the oil return cavity 6 flows out through the oil return channels 7, the piston rod 3 is reset, the oil return cavity 6 is an annular groove, the oil return cavity 6 is positioned in the middle of the piston rod 3, an end cover 2 is arranged at an opening of the piston cavity, the piston rod 3 penetrates through the end cover 2 and extends to one side of the shell 1, the oil inlet cavity 5 is a groove, and the oil inlet cavities 5 are positioned at the bottom of the piston rod 3.

When the bearing seat is required to be disassembled, the piston rod 3 can be reset and the bearing seat can be loosened only by controlling the oil pressure. In the use process of the device, whether the piston rod 3 is in a working state or not can be judged through the oil pressure in the shell 1 at regular intervals, so that the looseness of the bearing seat caused by thermal expansion or metal fatigue is avoided.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (6)

1. The utility model provides a ring rolling machine main roll bearing frame locking jar, includes casing (1), its characterized in that: the casing (1) can be matched with the gap of the dovetail groove, a plurality of piston rods (3) are arranged on the casing (1) along the length direction, and one ends of the piston rods (3) can be abutted on the bearing seat.

2. The main roll bearing housing locking cylinder of a ring rolling machine according to claim 1, wherein: the casing (1) is provided with a plurality of piston chambers along length mode, and piston rod (3) are located the piston intracavity, have oil feed chamber (5) on piston rod (3), are provided with oil return chamber (6) on piston rod (3), are provided with oil feed passageway (4) in casing (1), and oil feed passageway (4) are connected with a plurality of oil feed chamber (5), and oil return passageway (7) are connected with a plurality of oil return chamber (6).

3. The main roll bearing housing locking cylinder of a ring rolling machine according to claim 2, wherein: the oil inlet cavity (5) is a groove, and the oil inlet cavity (5) is positioned at the bottom of the piston rod (3).

4. The main roll bearing housing locking cylinder of a ring rolling machine according to claim 2, wherein: the oil return cavity (6) is an annular groove, and the oil return cavity (6) is positioned in the middle of the piston rod (3).

5. The main roll bearing housing locking cylinder of a ring rolling machine according to claim 1, wherein: an end cover (2) is arranged at the opening of the piston cavity, and a piston rod (3) penetrates through the end cover (2) and extends to one side of the shell (1).

6. The main roll bearing housing locking cylinder of a ring rolling machine according to claim 1, wherein: the cross section of the shell (1) is arranged in a parallelogram shape.